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global: use netip where possible now

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There are more places where we'll need to add it later, when Go 1.18
comes out with support for it in the "net" package. Also, allowedips
still uses slices internally, which might be suboptimal.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld
2021-11-05 01:52:54 +01:00
parent de7c702ace
commit ef8d6804d7
22 changed files with 247 additions and 285 deletions
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19
conn/bind_windows.go
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@@ -15,6 +15,7 @@ import (
"unsafe"
"golang.org/x/sys/windows"
"golang.zx2c4.com/go118/netip"
"golang.zx2c4.com/wireguard/conn/winrio"
)
@@ -128,18 +129,18 @@ func (*WinRingBind) ParseEndpoint(s string) (Endpoint, error) {
func (*WinRingEndpoint) ClearSrc() {}
func (e *WinRingEndpoint) DstIP() net.IP {
func (e *WinRingEndpoint) DstIP() netip.Addr {
switch e.family {
case windows.AF_INET:
return append([]byte{}, e.data[2:6]...)
return netip.AddrFrom4(*(*[4]byte)(e.data[2:6]))
case windows.AF_INET6:
return append([]byte{}, e.data[6:22]...)
return netip.AddrFrom16(*(*[16]byte)(e.data[6:22]))
}
return nil
return netip.Addr{}
}
func (e *WinRingEndpoint) SrcIP() net.IP {
return nil // not supported
func (e *WinRingEndpoint) SrcIP() netip.Addr {
return netip.Addr{} // not supported
}
func (e *WinRingEndpoint) DstToBytes() []byte {
@@ -161,15 +162,13 @@ func (e *WinRingEndpoint) DstToBytes() []byte {
func (e *WinRingEndpoint) DstToString() string {
switch e.family {
case windows.AF_INET:
addr := net.UDPAddr{IP: e.data[2:6], Port: int(binary.BigEndian.Uint16(e.data[0:2]))}
return addr.String()
netip.AddrPortFrom(netip.AddrFrom4(*(*[4]byte)(e.data[2:6])), binary.BigEndian.Uint16(e.data[0:2])).String()
case windows.AF_INET6:
var zone string
if scope := *(*uint32)(unsafe.Pointer(&e.data[22])); scope > 0 {
zone = strconv.FormatUint(uint64(scope), 10)
}
addr := net.UDPAddr{IP: e.data[6:22], Zone: zone, Port: int(binary.BigEndian.Uint16(e.data[0:2]))}
return addr.String()
return netip.AddrPortFrom(netip.AddrFrom16(*(*[16]byte)(e.data[6:22])).WithZone(zone), binary.BigEndian.Uint16(e.data[0:2])).String()
}
return ""
}