diff --git a/conn/conn_linux.go b/conn/conn_linux.go index ef5c0ba..642ad7d 100644 --- a/conn/conn_linux.go +++ b/conn/conn_linux.go @@ -204,7 +204,7 @@ func (bind *nativeBind) ReceiveIPv6(buff []byte) (int, Endpoint, error) { var end NativeEndpoint if bind.sock6 == -1 { - return 0, nil, syscall.EAFNOSUPPORT + return 0, nil, net.ErrClosed } n, err := receive6( bind.sock6, @@ -220,7 +220,7 @@ func (bind *nativeBind) ReceiveIPv4(buff []byte) (int, Endpoint, error) { var end NativeEndpoint if bind.sock4 == -1 { - return 0, nil, syscall.EAFNOSUPPORT + return 0, nil, net.ErrClosed } n, err := receive4( bind.sock4, @@ -237,12 +237,12 @@ func (bind *nativeBind) Send(buff []byte, end Endpoint) error { nend := end.(*NativeEndpoint) if !nend.isV6 { if bind.sock4 == -1 { - return syscall.EAFNOSUPPORT + return net.ErrClosed } return send4(bind.sock4, nend, buff) } else { if bind.sock6 == -1 { - return syscall.EAFNOSUPPORT + return net.ErrClosed } return send6(bind.sock6, nend, buff) } diff --git a/device/receive.go b/device/receive.go index 0bd22bf..fa31a1a 100644 --- a/device/receive.go +++ b/device/receive.go @@ -8,6 +8,7 @@ package device import ( "bytes" "encoding/binary" + "errors" "net" "strconv" "sync" @@ -17,6 +18,7 @@ import ( "golang.org/x/crypto/chacha20poly1305" "golang.org/x/net/ipv4" "golang.org/x/net/ipv6" + "golang.zx2c4.com/wireguard/conn" ) @@ -117,15 +119,13 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { buffer := device.GetMessageBuffer() var ( - err error - size int - endpoint conn.Endpoint + err error + size int + endpoint conn.Endpoint + deathSpiral int ) for { - - // read next datagram - switch IP { case ipv4.Version: size, endpoint, err = bind.ReceiveIPv4(buffer[:]) @@ -137,8 +137,18 @@ func (device *Device) RoutineReceiveIncoming(IP int, bind conn.Bind) { if err != nil { device.PutMessageBuffer(buffer) + if errors.Is(err, net.ErrClosed) { + return + } + device.log.Error.Printf("Failed to receive packet: %v", err) + if deathSpiral < 10 { + deathSpiral++ + time.Sleep(time.Second / 3) + continue + } return } + deathSpiral = 0 if size < MinMessageSize { continue diff --git a/go.mod b/go.mod index 1dbdb67..11b6c7f 100644 --- a/go.mod +++ b/go.mod @@ -1,9 +1,9 @@ module golang.zx2c4.com/wireguard -go 1.14 +go 1.16 require ( - golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392 - golang.org/x/net v0.0.0-20201110031124-69a78807bb2b - golang.org/x/sys v0.0.0-20201126233918-771906719818 + golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad + golang.org/x/net v0.0.0-20201224014010-6772e930b67b + golang.org/x/sys v0.0.0-20210105210732-16f7687f5001 ) diff --git a/go.sum b/go.sum index 96e4ae0..a58d796 100644 --- a/go.sum +++ b/go.sum @@ -1,17 +1,16 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= -golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392 h1:xYJJ3S178yv++9zXV/hnr29plCAGO9vAFG9dorqaFQc= -golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= +golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY= +golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= -golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2lTtcqevgzYNVt49waME= -golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= +golang.org/x/net v0.0.0-20201224014010-6772e930b67b h1:iFwSg7t5GZmB/Q5TjiEAsdoLDrdJRC1RiF2WhuV29Qw= +golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= -golang.org/x/sys v0.0.0-20201126233918-771906719818 h1:f1CIuDlJhwANEC2MM87MBEVMr3jl5bifgsfj90XAF9c= -golang.org/x/sys v0.0.0-20201126233918-771906719818/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210105210732-16f7687f5001 h1:/dSxr6gT0FNI1MO5WLJo8mTmItROeOKTkDn+7OwWBos= +golang.org/x/sys v0.0.0-20210105210732-16f7687f5001/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=