mirror of
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frpc: support nathole discover (#3381)
This commit is contained in:
fatedier
GitHub
parent
9800b4cfcf
commit
a22d6c9504
86
cmd/frpc/sub/nathole.go
Normal file
86
cmd/frpc/sub/nathole.go
Normal file
@ -0,0 +1,86 @@
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// Copyright 2023 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package sub
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import (
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"fmt"
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"net"
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"os"
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"strconv"
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"github.com/spf13/cobra"
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"github.com/fatedier/frp/pkg/config"
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"github.com/fatedier/frp/pkg/nathole"
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)
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func init() {
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RegisterCommonFlags(natholeCmd)
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rootCmd.AddCommand(natholeCmd)
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natholeCmd.AddCommand(natholeDiscoveryCmd)
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}
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var natholeCmd = &cobra.Command{
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Use: "nathole",
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Short: "Actions about nathole",
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}
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var natholeDiscoveryCmd = &cobra.Command{
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Use: "discover",
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Short: "Discover nathole information by frps and stun server",
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RunE: func(cmd *cobra.Command, args []string) error {
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cfg, _, _, err := config.ParseClientConfig(cfgFile)
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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if err := validateForNatHoleDiscovery(cfg); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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addresses, err := nathole.Discover(
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net.JoinHostPort(cfg.ServerAddr, strconv.Itoa(cfg.ServerUDPPort)),
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[]string{cfg.NatHoleSTUNServer},
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[]byte(cfg.Token),
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)
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if err != nil {
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fmt.Println("discover error:", err)
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os.Exit(1)
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}
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natType, behavior, err := nathole.ClassifyNATType(addresses)
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if err != nil {
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fmt.Println("classify nat type error:", err)
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os.Exit(1)
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}
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fmt.Println("Your NAT type is:", natType)
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fmt.Println("Behavior is:", behavior)
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fmt.Println("External address is:", addresses)
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return nil
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},
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}
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func validateForNatHoleDiscovery(cfg config.ClientCommonConf) error {
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if cfg.NatHoleSTUNServer == "" {
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return fmt.Errorf("nat_hole_stun_server can not be empty")
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}
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if cfg.ServerUDPPort == 0 {
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return fmt.Errorf("server udp port can not be empty")
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}
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return nil
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}
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@ -10,6 +10,13 @@ server_port = 7000
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# server_addr.
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# nat_hole_server_addr = 0.0.0.0
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# ServerUDPPort specifies the server port to help penetrate NAT hole. By default, this value is 0.
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# This parameter is only used when executing "nathole discover" in the command line.
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# server_udp_port = 0
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# STUN server to help penetrate NAT hole.
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# nat_hole_stun_server = stun.easyvoip.com:3478
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# The maximum amount of time a dial to server will wait for a connect to complete. Default value is 10 seconds.
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# dial_server_timeout = 10
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6
go.mod
6
go.mod
@ -6,7 +6,7 @@ require (
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github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
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github.com/coreos/go-oidc/v3 v3.4.0
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github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb
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github.com/fatedier/golib v0.1.1-0.20230311074156-2623b2569b10
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github.com/fatedier/golib v0.1.1-0.20230320133937-a7edcc8c793d
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github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible
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github.com/go-playground/validator/v10 v10.11.0
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github.com/google/uuid v1.3.0
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@ -15,12 +15,13 @@ require (
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github.com/hashicorp/yamux v0.1.1
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github.com/onsi/ginkgo/v2 v2.8.3
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github.com/onsi/gomega v1.27.0
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github.com/pion/stun v0.4.0
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github.com/pires/go-proxyproto v0.6.2
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github.com/prometheus/client_golang v1.13.0
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github.com/quic-go/quic-go v0.32.0
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github.com/rodaine/table v1.0.1
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github.com/spf13/cobra v1.1.3
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github.com/stretchr/testify v1.8.0
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github.com/stretchr/testify v1.8.1
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golang.org/x/net v0.7.0
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golang.org/x/oauth2 v0.3.0
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golang.org/x/time v0.0.0-20220210224613-90d013bbcef8
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@ -48,6 +49,7 @@ require (
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github.com/klauspost/reedsolomon v1.9.15 // indirect
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github.com/leodido/go-urn v1.2.1 // indirect
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github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
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github.com/pion/transport/v2 v2.0.0 // indirect
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github.com/pkg/errors v0.9.1 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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github.com/prometheus/client_model v0.2.0 // indirect
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25
go.sum
25
go.sum
@ -121,8 +121,8 @@ github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.
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github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb h1:wCrNShQidLmvVWn/0PikGmpdP0vtQmnvyRg3ZBEhczw=
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github.com/fatedier/beego v0.0.0-20171024143340-6c6a4f5bd5eb/go.mod h1:wx3gB6dbIfBRcucp94PI9Bt3I0F2c/MyNEWuhzpWiwk=
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github.com/fatedier/golib v0.1.1-0.20230311074156-2623b2569b10 h1:JjEXgytxMpWC6nK1u+Pskvaf2MPRnv/pxWmTlyVQMUI=
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github.com/fatedier/golib v0.1.1-0.20230311074156-2623b2569b10/go.mod h1:Wdn1pJ0dHB1lah6FPYwt4AO9NEmWI0OzW13dpzC9g4E=
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github.com/fatedier/golib v0.1.1-0.20230320133937-a7edcc8c793d h1:/m9Atycn9uKRwwOkxv4c+zaugxRgkdSG/Eg3IJWOpNs=
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github.com/fatedier/golib v0.1.1-0.20230320133937-a7edcc8c793d/go.mod h1:Wdn1pJ0dHB1lah6FPYwt4AO9NEmWI0OzW13dpzC9g4E=
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github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible h1:ssXat9YXFvigNge/IkkZvFMn8yeYKFX+uI6wn2mLJ74=
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github.com/fatedier/kcp-go v2.0.4-0.20190803094908-fe8645b0a904+incompatible/go.mod h1:YpCOaxj7vvMThhIQ9AfTOPW2sfztQR5WDfs7AflSy4s=
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github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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@ -336,6 +336,11 @@ github.com/onsi/gomega v1.27.0 h1:QLidEla4bXUuZVFa4KX6JHCsuGgbi85LC/pCHrt/O08=
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github.com/onsi/gomega v1.27.0/go.mod h1:i189pavgK95OSIipFBa74gC2V4qrQuvjuyGEr3GmbXA=
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github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
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github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
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github.com/pion/logging v0.2.2/go.mod h1:k0/tDVsRCX2Mb2ZEmTqNa7CWsQPc+YYCB7Q+5pahoms=
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github.com/pion/stun v0.4.0 h1:vgRrbBE2htWHy7l3Zsxckk7rkjnjOsSM7PHZnBwo8rk=
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github.com/pion/stun v0.4.0/go.mod h1:QPsh1/SbXASntw3zkkrIk3ZJVKz4saBY2G7S10P3wCw=
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github.com/pion/transport/v2 v2.0.0 h1:bsMYyqHCbkvHwj+eNCFBuxtlKndKfyGI2vaQmM3fIE4=
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github.com/pion/transport/v2 v2.0.0/go.mod h1:HS2MEBJTwD+1ZI2eSXSvHJx/HnzQqRy2/LXxt6eVMHc=
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github.com/pires/go-proxyproto v0.6.2 h1:KAZ7UteSOt6urjme6ZldyFm4wDe/z0ZUP0Yv0Dos0d8=
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github.com/pires/go-proxyproto v0.6.2/go.mod h1:Odh9VFOZJCf9G8cLW5o435Xf1J95Jw9Gw5rnCjcwzAY=
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github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
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@ -415,6 +420,7 @@ github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5q
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
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github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
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github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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@ -422,8 +428,9 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
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github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
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github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
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github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
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github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
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github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
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github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161 h1:89CEmDvlq/F7SJEOqkIdNDGJXrQIhuIx9D2DBXjavSU=
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github.com/templexxx/cpufeat v0.0.0-20180724012125-cef66df7f161/go.mod h1:wM7WEvslTq+iOEAMDLSzhVuOt5BRZ05WirO+b09GHQU=
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@ -439,6 +446,7 @@ github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de
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github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
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go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
|
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go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
|
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go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
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@ -459,6 +467,7 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
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golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
|
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
|
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golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
|
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golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
|
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golang.org/x/crypto v0.4.0 h1:UVQgzMY87xqpKNgb+kDsll2Igd33HszWHFLmpaRMq/8=
|
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golang.org/x/crypto v0.4.0/go.mod h1:3quD/ATkf6oY+rnes5c3ExXTbLc8mueNue5/DoinL80=
|
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@ -499,6 +508,7 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
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golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
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golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
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golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
|
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golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
|
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golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
|
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golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
|
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golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
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@ -551,7 +561,9 @@ golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su
|
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golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
|
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golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
|
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golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
|
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golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
|
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golang.org/x/net v0.0.0-20220826154423-83b083e8dc8b/go.mod h1:YDH+HFinaLZZlnHAfSS6ZXJJ9M9t4Dl22yv3iI2vPwk=
|
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golang.org/x/net v0.1.0/go.mod h1:Cx3nUiGt4eDBEyega/BKRp+/AlGL8hYe7U9odMt2Cco=
|
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golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
|
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golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
|
||||
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
|
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@ -589,6 +601,7 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
|
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golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
||||
golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
@ -659,11 +672,15 @@ golang.org/x/sys v0.0.0-20220502124256-b6088ccd6cba/go.mod h1:oPkhp1MJrh7nUepCBc
|
||||
golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
|
||||
golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
|
||||
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
|
||||
golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
|
||||
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
@ -673,6 +690,7 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
||||
golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
||||
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
||||
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
|
||||
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
|
||||
golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
|
||||
golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
|
||||
golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
|
||||
@ -734,6 +752,7 @@ golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
|
||||
golang.org/x/tools v0.1.3/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
|
||||
golang.org/x/tools v0.1.4/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
|
||||
golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
|
||||
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
|
||||
golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
|
||||
golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
|
||||
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
||||
|
||||
@ -41,6 +41,11 @@ type ClientCommonConf struct {
|
||||
// ServerPort specifies the port to connect to the server on. By default,
|
||||
// this value is 7000.
|
||||
ServerPort int `ini:"server_port" json:"server_port"`
|
||||
// ServerUDPPort specifies the server port to help penetrate NAT hole. By default, this value is 0.
|
||||
// This parameter is only used when executing "nathole discover" in the command line.
|
||||
ServerUDPPort int `ini:"server_udp_port" json:"server_udp_port"`
|
||||
// STUN server to help penetrate NAT hole.
|
||||
NatHoleSTUNServer string `ini:"nat_hole_stun_server" json:"nat_hole_stun_server"`
|
||||
// The maximum amount of time a dial to server will wait for a connect to complete.
|
||||
DialServerTimeout int64 `ini:"dial_server_timeout" json:"dial_server_timeout"`
|
||||
// DialServerKeepAlive specifies the interval between keep-alive probes for an active network connection between frpc and frps.
|
||||
@ -172,6 +177,7 @@ func GetDefaultClientConf() ClientCommonConf {
|
||||
ClientConfig: auth.GetDefaultClientConf(),
|
||||
ServerAddr: "0.0.0.0",
|
||||
ServerPort: 7000,
|
||||
NatHoleSTUNServer: "stun.easyvoip.com:3478",
|
||||
DialServerTimeout: 10,
|
||||
DialServerKeepAlive: 7200,
|
||||
HTTPProxy: os.Getenv("http_proxy"),
|
||||
|
||||
@ -260,6 +260,7 @@ func Test_LoadClientCommonConf(t *testing.T) {
|
||||
},
|
||||
ServerAddr: "0.0.0.9",
|
||||
ServerPort: 7009,
|
||||
NatHoleSTUNServer: "stun.easyvoip.com:3478",
|
||||
DialServerTimeout: 10,
|
||||
DialServerKeepAlive: 7200,
|
||||
HTTPProxy: "http://user:passwd@192.168.1.128:8080",
|
||||
|
||||
@ -42,3 +42,7 @@ func ReadMsgInto(c io.Reader, msg Message) (err error) {
|
||||
func WriteMsg(c io.Writer, msg interface{}) (err error) {
|
||||
return msgCtl.WriteMsg(c, msg)
|
||||
}
|
||||
|
||||
func Pack(msg interface{}) (data []byte, err error) {
|
||||
return msgCtl.Pack(msg)
|
||||
}
|
||||
|
||||
@ -37,6 +37,8 @@ const (
|
||||
TypeNatHoleResp = 'm'
|
||||
TypeNatHoleClientDetectOK = 'd'
|
||||
TypeNatHoleSid = '5'
|
||||
TypeNatHoleBinding = 'b'
|
||||
TypeNatHoleBindingResp = '6'
|
||||
)
|
||||
|
||||
var msgTypeMap = map[byte]interface{}{
|
||||
@ -58,6 +60,8 @@ var msgTypeMap = map[byte]interface{}{
|
||||
TypeNatHoleResp: NatHoleResp{},
|
||||
TypeNatHoleClientDetectOK: NatHoleClientDetectOK{},
|
||||
TypeNatHoleSid: NatHoleSid{},
|
||||
TypeNatHoleBinding: NatHoleBinding{},
|
||||
TypeNatHoleBindingResp: NatHoleBindingResp{},
|
||||
}
|
||||
|
||||
// When frpc start, client send this message to login to server.
|
||||
@ -193,3 +197,13 @@ type NatHoleClientDetectOK struct{}
|
||||
type NatHoleSid struct {
|
||||
Sid string `json:"sid,omitempty"`
|
||||
}
|
||||
|
||||
type NatHoleBinding struct {
|
||||
TransactionID string `json:"transaction_id,omitempty"`
|
||||
}
|
||||
|
||||
type NatHoleBindingResp struct {
|
||||
TransactionID string `json:"transaction_id,omitempty"`
|
||||
Address string `json:"address,omitempty"`
|
||||
Error string `json:"error,omitempty"`
|
||||
}
|
||||
|
||||
74
pkg/nathole/classify.go
Normal file
74
pkg/nathole/classify.go
Normal file
@ -0,0 +1,74 @@
|
||||
// Copyright 2023 The frp Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package nathole
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
)
|
||||
|
||||
const (
|
||||
EasyNAT = "EasyNAT"
|
||||
HardNAT = "HardNAT"
|
||||
|
||||
BehaviorNoChange = "BehaviorNoChange"
|
||||
BehaviorIPChanged = "BehaviorIPChanged"
|
||||
BehaviorPortChanged = "BehaviorPortChanged"
|
||||
BehaviorBothChanged = "BehaviorBothChanged"
|
||||
)
|
||||
|
||||
// ClassifyNATType classify NAT type by given addresses.
|
||||
func ClassifyNATType(addresses []string) (string, string, error) {
|
||||
if len(addresses) <= 1 {
|
||||
return "", "", fmt.Errorf("not enough addresses")
|
||||
}
|
||||
ipChanged := false
|
||||
portChanged := false
|
||||
|
||||
var baseIP, basePort string
|
||||
for _, addr := range addresses {
|
||||
ip, port, err := net.SplitHostPort(addr)
|
||||
if err != nil {
|
||||
return "", "", err
|
||||
}
|
||||
if baseIP == "" {
|
||||
baseIP = ip
|
||||
basePort = port
|
||||
continue
|
||||
}
|
||||
|
||||
if baseIP != ip {
|
||||
ipChanged = true
|
||||
}
|
||||
if basePort != port {
|
||||
portChanged = true
|
||||
}
|
||||
|
||||
if ipChanged && portChanged {
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
switch {
|
||||
case ipChanged && portChanged:
|
||||
return HardNAT, BehaviorBothChanged, nil
|
||||
case ipChanged:
|
||||
return HardNAT, BehaviorIPChanged, nil
|
||||
case portChanged:
|
||||
return HardNAT, BehaviorPortChanged, nil
|
||||
default:
|
||||
return EasyNAT, BehaviorNoChange, nil
|
||||
}
|
||||
}
|
||||
192
pkg/nathole/discovery.go
Normal file
192
pkg/nathole/discovery.go
Normal file
@ -0,0 +1,192 @@
|
||||
// Copyright 2023 The frp Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package nathole
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"net"
|
||||
"time"
|
||||
|
||||
"github.com/pion/stun"
|
||||
|
||||
"github.com/fatedier/frp/pkg/msg"
|
||||
)
|
||||
|
||||
var responseTimeout = 3 * time.Second
|
||||
|
||||
type Address struct {
|
||||
IP string
|
||||
Port int
|
||||
}
|
||||
|
||||
type Message struct {
|
||||
Body []byte
|
||||
Addr string
|
||||
}
|
||||
|
||||
func Discover(serverAddress string, stunServers []string, key []byte) ([]string, error) {
|
||||
// parse address to net.Address
|
||||
stunAddresses := make([]net.Addr, 0, len(stunServers))
|
||||
for _, stunServer := range stunServers {
|
||||
addr, err := net.ResolveUDPAddr("udp4", stunServer)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
stunAddresses = append(stunAddresses, addr)
|
||||
}
|
||||
serverAddr, err := net.ResolveUDPAddr("udp4", serverAddress)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// create a discoverConn and get response from messageChan
|
||||
discoverConn, err := listen()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer discoverConn.Close()
|
||||
|
||||
go discoverConn.readLoop()
|
||||
|
||||
addresses := make([]string, 0, len(stunServers)+1)
|
||||
// get external address from frp server
|
||||
externalAddr, err := discoverFromServer(discoverConn, serverAddr, key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
addresses = append(addresses, externalAddr)
|
||||
|
||||
for _, stunAddr := range stunAddresses {
|
||||
// get external address from stun server
|
||||
externalAddr, err = discoverFromStunServer(discoverConn, stunAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
addresses = append(addresses, externalAddr)
|
||||
}
|
||||
return addresses, nil
|
||||
}
|
||||
|
||||
func discoverFromServer(c *discoverConn, addr net.Addr, key []byte) (string, error) {
|
||||
m := &msg.NatHoleBinding{
|
||||
TransactionID: NewTransactionID(),
|
||||
}
|
||||
|
||||
buf, err := EncodeMessage(m, key)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
if _, err := c.conn.WriteTo(buf, addr); err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
var respMsg msg.NatHoleBindingResp
|
||||
select {
|
||||
case rawMsg := <-c.messageChan:
|
||||
if err := DecodeMessageInto(rawMsg.Body, key, &respMsg); err != nil {
|
||||
return "", err
|
||||
}
|
||||
case <-time.After(responseTimeout):
|
||||
return "", fmt.Errorf("wait response from frp server timeout")
|
||||
}
|
||||
|
||||
if respMsg.TransactionID == "" {
|
||||
return "", fmt.Errorf("error format: no transaction id found")
|
||||
}
|
||||
if respMsg.Error != "" {
|
||||
return "", fmt.Errorf("get externalAddr from frp server error: %s", respMsg.Error)
|
||||
}
|
||||
return respMsg.Address, nil
|
||||
}
|
||||
|
||||
func discoverFromStunServer(c *discoverConn, addr net.Addr) (string, error) {
|
||||
request, err := stun.Build(stun.TransactionID, stun.BindingRequest)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
if err = request.NewTransactionID(); err != nil {
|
||||
return "", err
|
||||
}
|
||||
if _, err := c.conn.WriteTo(request.Raw, addr); err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
var m stun.Message
|
||||
select {
|
||||
case msg := <-c.messageChan:
|
||||
m.Raw = msg.Body
|
||||
if err := m.Decode(); err != nil {
|
||||
return "", err
|
||||
}
|
||||
case <-time.After(responseTimeout):
|
||||
return "", fmt.Errorf("wait response from stun server timeout")
|
||||
}
|
||||
|
||||
xorAddr := &stun.XORMappedAddress{}
|
||||
mappedAddr := &stun.MappedAddress{}
|
||||
if err := xorAddr.GetFrom(&m); err == nil {
|
||||
return xorAddr.String(), nil
|
||||
}
|
||||
if err := mappedAddr.GetFrom(&m); err == nil {
|
||||
return mappedAddr.String(), nil
|
||||
}
|
||||
return "", fmt.Errorf("no address found")
|
||||
}
|
||||
|
||||
type discoverConn struct {
|
||||
conn *net.UDPConn
|
||||
|
||||
localAddr net.Addr
|
||||
messageChan chan *Message
|
||||
}
|
||||
|
||||
func listen() (*discoverConn, error) {
|
||||
conn, err := net.ListenUDP("udp4", nil)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &discoverConn{
|
||||
conn: conn,
|
||||
localAddr: conn.LocalAddr(),
|
||||
messageChan: make(chan *Message, 10),
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (c *discoverConn) Close() error {
|
||||
if c.messageChan != nil {
|
||||
close(c.messageChan)
|
||||
c.messageChan = nil
|
||||
}
|
||||
return c.conn.Close()
|
||||
}
|
||||
|
||||
func (c *discoverConn) readLoop() {
|
||||
for {
|
||||
buf := make([]byte, 1024)
|
||||
n, addr, err := c.conn.ReadFromUDP(buf)
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
buf = buf[:n]
|
||||
|
||||
c.messageChan <- &Message{
|
||||
Body: buf,
|
||||
Addr: addr.String(),
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,3 +1,17 @@
|
||||
// Copyright 2023 The frp Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package nathole
|
||||
|
||||
import (
|
||||
@ -7,6 +21,7 @@ import (
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
"github.com/fatedier/golib/crypto"
|
||||
"github.com/fatedier/golib/errors"
|
||||
"github.com/fatedier/golib/pool"
|
||||
|
||||
@ -18,6 +33,11 @@ import (
|
||||
// NatHoleTimeout seconds.
|
||||
var NatHoleTimeout int64 = 10
|
||||
|
||||
func NewTransactionID() string {
|
||||
id, _ := util.RandID()
|
||||
return fmt.Sprintf("%d%s", time.Now().Unix(), id)
|
||||
}
|
||||
|
||||
type SidRequest struct {
|
||||
Sid string
|
||||
NotifyCh chan struct{}
|
||||
@ -29,10 +49,11 @@ type Controller struct {
|
||||
clientCfgs map[string]*ClientCfg
|
||||
sessions map[string]*Session
|
||||
|
||||
mu sync.RWMutex
|
||||
encryptionKey []byte
|
||||
mu sync.RWMutex
|
||||
}
|
||||
|
||||
func NewController(udpBindAddr string) (nc *Controller, err error) {
|
||||
func NewController(udpBindAddr string, encryptionKey []byte) (nc *Controller, err error) {
|
||||
addr, err := net.ResolveUDPAddr("udp", udpBindAddr)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
@ -42,9 +63,10 @@ func NewController(udpBindAddr string) (nc *Controller, err error) {
|
||||
return nil, err
|
||||
}
|
||||
nc = &Controller{
|
||||
listener: lconn,
|
||||
clientCfgs: make(map[string]*ClientCfg),
|
||||
sessions: make(map[string]*Session),
|
||||
listener: lconn,
|
||||
clientCfgs: make(map[string]*ClientCfg),
|
||||
sessions: make(map[string]*Session),
|
||||
encryptionKey: encryptionKey,
|
||||
}
|
||||
return nc, nil
|
||||
}
|
||||
@ -72,24 +94,30 @@ func (nc *Controller) Run() {
|
||||
buf := pool.GetBuf(1024)
|
||||
n, raddr, err := nc.listener.ReadFromUDP(buf)
|
||||
if err != nil {
|
||||
log.Trace("nat hole listener read from udp error: %v", err)
|
||||
log.Warn("nat hole listener read from udp error: %v", err)
|
||||
return
|
||||
}
|
||||
|
||||
rd := bytes.NewReader(buf[:n])
|
||||
rawMsg, err := msg.ReadMsg(rd)
|
||||
plain, err := crypto.Decode(buf[:n], nc.encryptionKey)
|
||||
if err != nil {
|
||||
log.Trace("read nat hole message error: %v", err)
|
||||
log.Warn("nathole listener decode from %s error: %v", raddr.String(), err)
|
||||
continue
|
||||
}
|
||||
|
||||
rawMsg, err := msg.ReadMsg(bytes.NewReader(plain))
|
||||
if err != nil {
|
||||
log.Warn("read nat hole message error: %v", err)
|
||||
continue
|
||||
}
|
||||
|
||||
switch m := rawMsg.(type) {
|
||||
case *msg.NatHoleBinding:
|
||||
go nc.HandleBinding(m, raddr)
|
||||
case *msg.NatHoleVisitor:
|
||||
go nc.HandleVisitor(m, raddr)
|
||||
case *msg.NatHoleClient:
|
||||
go nc.HandleClient(m, raddr)
|
||||
default:
|
||||
log.Trace("error nat hole message type")
|
||||
log.Trace("unknown nat hole message type")
|
||||
continue
|
||||
}
|
||||
pool.PutBuf(buf)
|
||||
@ -102,6 +130,29 @@ func (nc *Controller) GenSid() string {
|
||||
return fmt.Sprintf("%d%s", t, id)
|
||||
}
|
||||
|
||||
func (nc *Controller) HandleBinding(m *msg.NatHoleBinding, raddr *net.UDPAddr) {
|
||||
log.Trace("handle binding message from %s", raddr.String())
|
||||
resp := &msg.NatHoleBindingResp{
|
||||
TransactionID: m.TransactionID,
|
||||
Address: raddr.String(),
|
||||
}
|
||||
plain, err := msg.Pack(resp)
|
||||
if err != nil {
|
||||
log.Error("pack nat hole binding response error: %v", err)
|
||||
return
|
||||
}
|
||||
buf, err := crypto.Encode(plain, nc.encryptionKey)
|
||||
if err != nil {
|
||||
log.Error("encode nat hole binding response error: %v", err)
|
||||
return
|
||||
}
|
||||
_, err = nc.listener.WriteToUDP(buf, raddr)
|
||||
if err != nil {
|
||||
log.Error("write nat hole binding response to %s error: %v", raddr.String(), err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
func (nc *Controller) HandleVisitor(m *msg.NatHoleVisitor, raddr *net.UDPAddr) {
|
||||
sid := nc.GenSid()
|
||||
session := &Session{
|
||||
|
||||
48
pkg/nathole/utils.go
Normal file
48
pkg/nathole/utils.go
Normal file
@ -0,0 +1,48 @@
|
||||
// Copyright 2023 The frp Authors
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package nathole
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
|
||||
"github.com/fatedier/golib/crypto"
|
||||
|
||||
"github.com/fatedier/frp/pkg/msg"
|
||||
)
|
||||
|
||||
func EncodeMessage(m msg.Message, key []byte) ([]byte, error) {
|
||||
buffer := bytes.NewBuffer(nil)
|
||||
if err := msg.WriteMsg(buffer, m); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
buf, err := crypto.Encode(buffer.Bytes(), key)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return buf, nil
|
||||
}
|
||||
|
||||
func DecodeMessageInto(data, key []byte, m msg.Message) error {
|
||||
buf, err := crypto.Decode(data, key)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
if err := msg.ReadMsgInto(bytes.NewReader(buf), m); err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
@ -293,7 +293,7 @@ func NewService(cfg config.ServerCommonConf) (svr *Service, err error) {
|
||||
if cfg.BindUDPPort > 0 {
|
||||
var nc *nathole.Controller
|
||||
address := net.JoinHostPort(cfg.BindAddr, strconv.Itoa(cfg.BindUDPPort))
|
||||
nc, err = nathole.NewController(address)
|
||||
nc, err = nathole.NewController(address, []byte(cfg.Token))
|
||||
if err != nil {
|
||||
err = fmt.Errorf("create nat hole controller error, %v", err)
|
||||
return
|
||||
|
||||
Loading…
Reference in New Issue
Block a user