Fix direct udp

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/goccy/go-json v0.9.8
 	github.com/logrusorgru/aurora v2.0.3+incompatible
 	github.com/oschwald/maxminddb-golang v1.9.0
-	github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92
+	github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.5.0

go.sum

@@ -23,8 +23,8 @@ github.com/oschwald/maxminddb-golang v1.9.0/go.mod h1:TK+s/Z2oZq0rSl4PSeAEoP0bgm
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92 h1:c+Jg/o4UBZ+7CFdKWy8XhPN5X1rtulYdMqdgjx6PNUo=
-github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
+github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814 h1:CqrZT6p8TeMaJfys/0Scl9lO5gu1VccUrBw8fAq3ZIk=
+github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 h1:whNDUGOAX5GPZkSy4G3Gv9QyIgk5SXRyjkRuP7ohF8k=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
 github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=

inbound/direct.go

@@ -49,6 +49,7 @@ func NewDirect(ctx context.Context, router adapter.Router, logger log.Logger, ta
 	inbound.udpNat = udpnat.New[netip.AddrPort](options.UDPTimeout, inbound.upstreamContextHandler())
 	inbound.connHandler = inbound
 	inbound.packetHandler = inbound
+	inbound.packetUpstream = inbound.udpNat
 	return inbound
 }
 

test/go.mod

@@ -5,8 +5,9 @@ go 1.18
 require (
 	github.com/docker/docker v20.10.17+incompatible
 	github.com/docker/go-connections v0.4.0
-	github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92
+	github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814
 	github.com/sagernet/sing-box v0.0.0
+	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.8.0
 	golang.org/x/net v0.0.0-20220706163947-c90051bbdb60
 )
@@ -32,7 +33,6 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 // indirect
-	github.com/sirupsen/logrus v1.8.1 // indirect
 	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d // indirect
 	golang.org/x/sys v0.0.0-20220627191245-f75cf1eec38b // indirect
 	golang.org/x/time v0.0.0-20220609170525-579cf78fd858 // indirect

test/go.sum

@@ -50,8 +50,8 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92 h1:c+Jg/o4UBZ+7CFdKWy8XhPN5X1rtulYdMqdgjx6PNUo=
-github.com/sagernet/sing v0.0.0-20220708041648-04e100e91a92/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
+github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814 h1:CqrZT6p8TeMaJfys/0Scl9lO5gu1VccUrBw8fAq3ZIk=
+github.com/sagernet/sing v0.0.0-20220709022704-8843420c7814/go.mod h1:3ZmoGNg/nNJTyHAZFNRSPaXpNIwpDvyIiAUd0KIWV5c=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649 h1:whNDUGOAX5GPZkSy4G3Gv9QyIgk5SXRyjkRuP7ohF8k=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220701084835-2208da1d8649/go.mod h1:MuyT+9fEPjvauAv0fSE0a6Q+l0Tv2ZrAafTkYfnxBFw=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=