diff options
Diffstat (limited to 'device/sticky_linux.go')
| -rw-r--r-- | device/sticky_linux.go | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/device/sticky_linux.go b/device/sticky_linux.go index 97c14b5..6057ff1 100644 --- a/device/sticky_linux.go +++ b/device/sticky_linux.go @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: MIT * - * Copyright (C) 2017-2021 WireGuard LLC. All Rights Reserved. + * Copyright (C) 2017-2023 WireGuard LLC. All Rights Reserved. * * This implements userspace semantics of "sticky sockets", modeled after * WireGuard's kernelspace implementation. This is more or less a straight port @@ -25,7 +25,10 @@ import ( ) func (device *Device) startRouteListener(bind conn.Bind) (*rwcancel.RWCancel, error) { - if _, ok := bind.(*conn.LinuxSocketBind); !ok { + if !conn.StdNetSupportsStickySockets { + return nil, nil + } + if _, ok := bind.(*conn.StdNetBind); !ok { return nil, nil } @@ -107,17 +110,17 @@ func (device *Device) routineRouteListener(bind conn.Bind, netlinkSock int, netl if !ok { break } - pePtr.peer.Lock() - if &pePtr.peer.endpoint != pePtr.endpoint { - pePtr.peer.Unlock() + pePtr.peer.endpoint.Lock() + if &pePtr.peer.endpoint.val != pePtr.endpoint { + pePtr.peer.endpoint.Unlock() break } - if uint32(pePtr.peer.endpoint.(*conn.LinuxSocketEndpoint).Src4().Ifindex) == ifidx { - pePtr.peer.Unlock() + if uint32(pePtr.peer.endpoint.val.(*conn.StdNetEndpoint).SrcIfidx()) == ifidx { + pePtr.peer.endpoint.Unlock() break } - pePtr.peer.endpoint.(*conn.LinuxSocketEndpoint).ClearSrc() - pePtr.peer.Unlock() + pePtr.peer.endpoint.clearSrcOnTx = true + pePtr.peer.endpoint.Unlock() } attr = attr[attrhdr.Len:] } @@ -131,18 +134,18 @@ func (device *Device) routineRouteListener(bind conn.Bind, netlinkSock int, netl device.peers.RLock() i := uint32(1) for _, peer := range device.peers.keyMap { - peer.RLock() - if peer.endpoint == nil { - peer.RUnlock() + peer.endpoint.Lock() + if peer.endpoint.val == nil { + peer.endpoint.Unlock() continue } - nativeEP, _ := peer.endpoint.(*conn.LinuxSocketEndpoint) + nativeEP, _ := peer.endpoint.val.(*conn.StdNetEndpoint) if nativeEP == nil { - peer.RUnlock() + peer.endpoint.Unlock() continue } - if nativeEP.IsV6() || nativeEP.Src4().Ifindex == 0 { - peer.RUnlock() + if nativeEP.DstIP().Is6() || nativeEP.SrcIfidx() == 0 { + peer.endpoint.Unlock() break } nlmsg := struct { @@ -169,12 +172,12 @@ func (device *Device) routineRouteListener(bind conn.Bind, netlinkSock int, netl Len: 8, Type: unix.RTA_DST, }, - nativeEP.Dst4().Addr, + nativeEP.DstIP().As4(), unix.RtAttr{ Len: 8, Type: unix.RTA_SRC, }, - nativeEP.Src4().Src, + nativeEP.SrcIP().As4(), unix.RtAttr{ Len: 8, Type: unix.RTA_MARK, @@ -185,10 +188,10 @@ func (device *Device) routineRouteListener(bind conn.Bind, netlinkSock int, netl reqPeerLock.Lock() reqPeer[i] = peerEndpointPtr{ peer: peer, - endpoint: &peer.endpoint, + endpoint: &peer.endpoint.val, } reqPeerLock.Unlock() - peer.RUnlock() + peer.endpoint.Unlock() i++ _, err := netlinkCancel.Write((*[unsafe.Sizeof(nlmsg)]byte)(unsafe.Pointer(&nlmsg))[:]) if err != nil { |