1 files changed, 0 insertions, 110 deletions
diff --git a/conn/sticky_linux.go b/conn/sticky_linux.go
deleted file mode 100644
index a30ccc7..0000000
--- a/conn/sticky_linux.go
+++ /dev/null
@@ -1,110 +0,0 @@
-//go:build linux && !android
-
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2017-2023 WireGuard LLC. All Rights Reserved.
- */
-
-package conn
-
-import (
-	"net/netip"
-	"unsafe"
-
-	"golang.org/x/sys/unix"
-)
-
-func (e *StdNetEndpoint) SrcIP() netip.Addr {
-	switch len(e.src) {
-	case unix.CmsgSpace(unix.SizeofInet4Pktinfo):
-		info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&e.src[unix.CmsgLen(0)]))
-		return netip.AddrFrom4(info.Spec_dst)
-	case unix.CmsgSpace(unix.SizeofInet6Pktinfo):
-		info := (*unix.Inet6Pktinfo)(unsafe.Pointer(&e.src[unix.CmsgLen(0)]))
-		// TODO: set zone. in order to do so we need to check if the address is
-		// link local, and if it is perform a syscall to turn the ifindex into a
-		// zone string because netip uses string zones.
-		return netip.AddrFrom16(info.Addr)
-	}
-	return netip.Addr{}
-}
-
-func (e *StdNetEndpoint) SrcIfidx() int32 {
-	switch len(e.src) {
-	case unix.CmsgSpace(unix.SizeofInet4Pktinfo):
-		info := (*unix.Inet4Pktinfo)(unsafe.Pointer(&e.src[unix.CmsgLen(0)]))
-		return info.Ifindex
-	case unix.CmsgSpace(unix.SizeofInet6Pktinfo):
-		info := (*unix.Inet6Pktinfo)(unsafe.Pointer(&e.src[unix.CmsgLen(0)]))
-		return int32(info.Ifindex)
-	}
-	return 0
-}
-
-func (e *StdNetEndpoint) SrcToString() string {
-	return e.SrcIP().String()
-}
-
-// getSrcFromControl parses the control for PKTINFO and if found updates ep with
-// the source information found.
-func getSrcFromControl(control []byte, ep *StdNetEndpoint) {
-	ep.ClearSrc()
-
-	var (
-		hdr  unix.Cmsghdr
-		data []byte
-		rem  []byte = control
-		err  error
-	)
-
-	for len(rem) > unix.SizeofCmsghdr {
-		hdr, data, rem, err = unix.ParseOneSocketControlMessage(rem)
-		if err != nil {
-			return
-		}
-
-		if hdr.Level == unix.IPPROTO_IP &&
-			hdr.Type == unix.IP_PKTINFO {
-
-			if ep.src == nil || cap(ep.src) < unix.CmsgSpace(unix.SizeofInet4Pktinfo) {
-				ep.src = make([]byte, 0, unix.CmsgSpace(unix.SizeofInet4Pktinfo))
-			}
-			ep.src = ep.src[:unix.CmsgSpace(unix.SizeofInet4Pktinfo)]
-
-			hdrBuf := unsafe.Slice((*byte)(unsafe.Pointer(&hdr)), unix.SizeofCmsghdr)
-			copy(ep.src, hdrBuf)
-			copy(ep.src[unix.CmsgLen(0):], data)
-			return
-		}
-
-		if hdr.Level == unix.IPPROTO_IPV6 &&
-			hdr.Type == unix.IPV6_PKTINFO {
-
-			if ep.src == nil || cap(ep.src) < unix.CmsgSpace(unix.SizeofInet6Pktinfo) {
-				ep.src = make([]byte, 0, unix.CmsgSpace(unix.SizeofInet6Pktinfo))
-			}
-
-			ep.src = ep.src[:unix.CmsgSpace(unix.SizeofInet6Pktinfo)]
-
-			hdrBuf := unsafe.Slice((*byte)(unsafe.Pointer(&hdr)), unix.SizeofCmsghdr)
-			copy(ep.src, hdrBuf)
-			copy(ep.src[unix.CmsgLen(0):], data)
-			return
-		}
-	}
-}
-
-// setSrcControl sets an IP{V6}_PKTINFO in control based on the source address
-// and source ifindex found in ep. control's len will be set to 0 in the event
-// that ep is a default value.
-func setSrcControl(control *[]byte, ep *StdNetEndpoint) {
-	if cap(*control) < len(ep.src) {
-		return
-	}
-	*control = (*control)[:0]
-	*control = append(*control, ep.src...)
-}
-
-var srcControlSize = unix.CmsgSpace(unix.SizeofInet6Pktinfo)
-
-const StdNetSupportsStickySockets = true