global: use netip where possible now

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>

1 files changed, 13 insertions, 6 deletions

diff --git a/conn/bind_std.go b/conn/bind_std.go
index cb85cfd..a3cbb15 100644
--- a/conn/bind_std.go
+++ b/conn/bind_std.go
@@ -10,6 +10,8 @@ import (
 	"net"
 	"sync"
 	"syscall"
+
+	"golang.zx2c4.com/go118/netip"
 )
 
 // StdNetBind is meant to be a temporary solution on platforms for which
@@ -32,18 +34,23 @@ var _ Bind = (*StdNetBind)(nil)
 var _ Endpoint = (*StdNetEndpoint)(nil)
 
 func (*StdNetBind) ParseEndpoint(s string) (Endpoint, error) {
-	addr, err := parseEndpoint(s)
-	return (*StdNetEndpoint)(addr), err
+	e, err := netip.ParseAddrPort(s)
+	return (*StdNetEndpoint)(&net.UDPAddr{
+		IP:   e.Addr().AsSlice(),
+		Port: int(e.Port()),
+		Zone: e.Addr().Zone(),
+	}), err
 }
 
 func (*StdNetEndpoint) ClearSrc() {}
 
-func (e *StdNetEndpoint) DstIP() net.IP {
-	return (*net.UDPAddr)(e).IP
+func (e *StdNetEndpoint) DstIP() netip.Addr {
+	a, _ := netip.AddrFromSlice((*net.UDPAddr)(e).IP)
+	return a
 }
 
-func (e *StdNetEndpoint) SrcIP() net.IP {
-	return nil // not supported
+func (e *StdNetEndpoint) SrcIP() netip.Addr {
+	return netip.Addr{} // not supported
 }
 
 func (e *StdNetEndpoint) DstToBytes() []byte {