├── README.md ├── .goreleaser.yaml ├── .github └── workflows │ ├── release.yml │ └── gobuild.yml ├── go.mod ├── fulltclash.go ├── go.sum └── LICENSE /README.md: -------------------------------------------------------------------------------- 1 | # FullTCore 2 | FullTClash的专用代理后端，基于Clash内核改动。本人不会Golang开发，所以有缺点请及时指出谢谢。 3 | 4 | ## 分支 5 | * 当前为meta分支，支持更多代理协议。 6 | * 7 | ## 二进制文件 8 | 9 | https://github.com/AirportR/FullTCore/releases 10 | 11 | ## 编译 12 | 13 | 1、在项目根目录新建名为 build.key 的文件\ 14 | 2、在该文件中写入你的 buildtoken,编译token可以任意定义。\ 15 | 3、执行命令: 16 | ```shell 17 | go build -ldflags="-s -w" fulltclash.go 18 | ``` 19 | 提供 gvisor TUN栈支持（wireguard协议要用到）: 20 | ```shell 21 | go build -tags with_gvisor -ldflags="-s -w" fulltclash.go 22 | ``` 23 | ## 特性 24 | 25 | 没有新的特性，把上游项目 Clash的拿来改改了，使之与FullTClash契合。 26 | 要说有，就是自带一个简单的通讯解密。 27 | 28 | ## 使用 29 | 30 | 输入以下命令查看使用方法 31 | ```shell 32 | fulltclash -h 33 | ``` 34 | 35 | ## 致谢 36 | 37 | * [Clash](https://github.com/Dreamacro/clash) 38 | * [Clash.Meta](https://github.com/metacubex/clash.meta) 39 | -------------------------------------------------------------------------------- /.goreleaser.yaml: -------------------------------------------------------------------------------- 1 | # This is an example .goreleaser.yml file with some sensible defaults. 2 | # Make sure to check the documentation at https://goreleaser.com 3 | before: 4 | hooks: 5 | # You may remove this if you don't use go modules. 6 | - go mod tidy 7 | # you may remove this if you don't need go generate 8 | # - go generate ./... 9 | builds: 10 | - env: 11 | - CGO_ENABLED=0 12 | targets: 13 | - darwin_amd64 14 | - darwin_arm64 15 | - linux_amd64 16 | - linux_arm64 17 | - windows_amd64 18 | - windows_arm64 19 | 20 | archives: 21 | - format: tar.gz 22 | # use zip for windows archives 23 | format_overrides: 24 | - goos: windows 25 | format: zip 26 | checksum: 27 | name_template: 'checksums.txt' 28 | snapshot: 29 | name_template: "{{ incpatch .Version }}-next" 30 | changelog: 31 | sort: asc 32 | filters: 33 | exclude: 34 | - '^docs:' 35 | - '^test:' 36 | 37 | release: 38 | prerelease: auto 39 | mode: keep-existing -------------------------------------------------------------------------------- /.github/workflows/release.yml: -------------------------------------------------------------------------------- 1 | name: goreleaser 2 | 3 | on: 4 | push: 5 | # run only against tags 6 | tags: 7 | - 'v*' 8 | 9 | permissions: 10 | contents: write 11 | # packages: write 12 | # issues: write 13 | 14 | jobs: 15 | goreleaser: 16 | runs-on: ubuntu-latest 17 | steps: 18 | - uses: actions/checkout@v3 19 | with: 20 | fetch-depth: 0 21 | - run: git fetch --force --tags 22 | - uses: actions/setup-go@v3 23 | with: 24 | go-version: '1.20.7' 25 | cache: true 26 | # More assembly might be required: Docker logins, GPG, etc. It all depends 27 | # on your needs. 28 | - uses: goreleaser/goreleaser-action@v4 29 | with: 30 | # either 'goreleaser' (default) or 'goreleaser-pro': 31 | distribution: goreleaser 32 | version: latest 33 | args: release --clean 34 | env: 35 | GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} 36 | # Your GoReleaser Pro key, if you are using the 'goreleaser-pro' 37 | # distribution: 38 | # GORELEASER_KEY: ${{ secrets.GORELEASER_KEY }} -------------------------------------------------------------------------------- /.github/workflows/gobuild.yml: -------------------------------------------------------------------------------- 1 | # This workflow will build a golang project 2 | # For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go 3 | 4 | name: Go 5 | 6 | on: 7 | push: 8 | branches: ["meta"] 9 | paths-ignore: 10 | - "build.key" 11 | - "README.md" 12 | jobs: 13 | build: 14 | name: Build 15 | runs-on: ${{ matrix.os }} 16 | strategy: 17 | matrix: 18 | os: [ubuntu-latest, windows-latest, macos-13, ubuntu-20.04] 19 | steps: 20 | - name: Check out code 21 | uses: actions/checkout@v3 22 | - name: Set up Go 23 | uses: actions/setup-go@v4 24 | with: 25 | go-version: 'stable' 26 | - name: go-mod 27 | run: go mod tidy 28 | - name: Build 29 | run: go build -tags with_gvisor -ldflags="-s -w" -o ./output/fulltclash-meta-${{ matrix.os }}-amd64 fulltclash.go 30 | - name: edit name 31 | if: runner.os == 'Windows' 32 | run: mv ./output/fulltclash-meta-windows-latest-amd64 ./output/fulltclash-meta-windows-amd64.exe 33 | - name: Upload artifact 34 | uses: actions/upload-artifact@v2 35 | with: 36 | name: fulltclash-meta-${{ matrix.os }}-amd64 37 | path: ./output/* 38 | if-no-files-found: error 39 | -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/AirportR/FullTCore 2 | 3 | go 1.19 4 | 5 | require ( 6 | github.com/Dreamacro/clash v1.14.0 7 | golang.org/x/crypto v0.13.0 8 | gopkg.in/yaml.v3 v3.0.1 9 | ) 10 | 11 | require ( 12 | github.com/3andne/restls-client-go v0.1.6 // indirect 13 | github.com/RyuaNerin/go-krypto v1.0.2 // indirect 14 | github.com/Yawning/aez v0.0.0-20211027044916-e49e68abd344 // indirect 15 | github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da // indirect 16 | github.com/andybalholm/brotli v1.0.5 // indirect 17 | github.com/coreos/go-iptables v0.7.0 // indirect 18 | github.com/ericlagergren/aegis v0.0.0-20230312195928-b4ce538b56f9 // indirect 19 | github.com/ericlagergren/polyval v0.0.0-20220411101811-e25bc10ba391 // indirect 20 | github.com/ericlagergren/siv v0.0.0-20220507050439-0b757b3aa5f1 // indirect 21 | github.com/ericlagergren/subtle v0.0.0-20220507045147-890d697da010 // indirect 22 | github.com/gaukas/godicttls v0.0.4 // indirect 23 | github.com/go-ole/go-ole v1.3.0 // indirect 24 | github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect 25 | github.com/gofrs/uuid/v5 v5.0.0 // indirect 26 | github.com/golang/mock v1.6.0 // indirect 27 | github.com/google/btree v1.1.2 // indirect 28 | github.com/google/go-cmp v0.5.9 // indirect 29 | github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect 30 | github.com/gorilla/websocket v1.5.0 // indirect 31 | github.com/hashicorp/yamux v0.1.1 // indirect 32 | github.com/insomniacslk/dhcp v0.0.0-20230908212754-65c27093e38a // indirect 33 | github.com/josharian/native v1.1.0 // indirect 34 | github.com/jpillora/backoff v1.0.0 // indirect 35 | github.com/klauspost/compress v1.16.7 // indirect 36 | github.com/klauspost/cpuid/v2 v2.2.5 // indirect 37 | github.com/kr/pretty v0.1.0 // indirect 38 | github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect 39 | github.com/lunixbochs/struc v0.0.0-20200707160740-784aaebc1d40 // indirect 40 | github.com/mdlayher/netlink v1.7.2 // indirect 41 | github.com/mdlayher/socket v0.4.1 // indirect 42 | github.com/metacubex/gopacket v1.1.20-0.20230608035415-7e2f98a3e759 // indirect 43 | github.com/metacubex/gvisor v0.0.0-20230611153922-78842f086475 // indirect 44 | github.com/metacubex/quic-go v0.38.1-0.20230909013832-033f6a2115cf // indirect 45 | github.com/metacubex/sing-quic v0.0.0-20230921160948-82175eb07a81 // indirect 46 | github.com/metacubex/sing-shadowsocks v0.2.5 // indirect 47 | github.com/metacubex/sing-shadowsocks2 v0.1.4 // indirect 48 | github.com/metacubex/sing-vmess v0.1.9-0.20230921005247-a0488d7dac74 // indirect 49 | github.com/metacubex/sing-wireguard v0.0.0-20230611155257-1498ae315a28 // indirect 50 | github.com/miekg/dns v1.1.56 // indirect 51 | github.com/mroth/weightedrand/v2 v2.1.0 // indirect 52 | github.com/oasisprotocol/deoxysii v0.0.0-20220228165953-2091330c22b7 // indirect 53 | github.com/onsi/ginkgo/v2 v2.9.5 // indirect 54 | github.com/openacid/low v0.1.21 // indirect 55 | github.com/oschwald/maxminddb-golang v1.12.0 // indirect 56 | github.com/pierrec/lz4/v4 v4.1.14 // indirect 57 | github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect 58 | github.com/puzpuzpuz/xsync/v2 v2.5.0 // indirect 59 | github.com/quic-go/qpack v0.4.0 // indirect 60 | github.com/quic-go/qtls-go1-20 v0.3.3 // indirect 61 | github.com/sagernet/sing v0.2.11 // indirect 62 | github.com/sagernet/sing-mux v0.1.3 // indirect 63 | github.com/sagernet/sing-shadowtls v0.1.4 // indirect 64 | github.com/sagernet/smux v0.0.0-20230312102458-337ec2a5af37 // indirect 65 | github.com/sagernet/tfo-go v0.0.0-20230816093905-5a5c285d44a6 // indirect 66 | github.com/sagernet/utls v0.0.0-20230309024959-6732c2ab36f2 // indirect 67 | github.com/sagernet/wireguard-go v0.0.0-20230807125731-5d4a7ef2dc5f // indirect 68 | github.com/samber/lo v1.38.1 // indirect 69 | github.com/shirou/gopsutil/v3 v3.23.8 // indirect 70 | github.com/shoenig/go-m1cpu v0.1.6 // indirect 71 | github.com/sina-ghaderi/poly1305 v0.0.0-20220724002748-c5926b03988b // indirect 72 | github.com/sina-ghaderi/rabaead v0.0.0-20220730151906-ab6e06b96e8c // indirect 73 | github.com/sina-ghaderi/rabbitio v0.0.0-20220730151941-9ce26f4f872e // indirect 74 | github.com/sirupsen/logrus v1.9.3 // indirect 75 | github.com/tklauser/go-sysconf v0.3.12 // indirect 76 | github.com/tklauser/numcpus v0.6.1 // indirect 77 | github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect 78 | github.com/yusufpapurcu/wmi v1.2.3 // indirect 79 | github.com/zhangyunhao116/fastrand v0.3.0 // indirect 80 | gitlab.com/yawning/bsaes.git v0.0.0-20190805113838-0a714cd429ec // indirect 81 | go.etcd.io/bbolt v1.3.7 // indirect 82 | golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect 83 | golang.org/x/mod v0.12.0 // indirect 84 | golang.org/x/net v0.15.0 // indirect 85 | golang.org/x/sync v0.3.0 // indirect 86 | golang.org/x/sys v0.12.0 // indirect 87 | golang.org/x/text v0.13.0 // indirect 88 | golang.org/x/time v0.3.0 // indirect 89 | golang.org/x/tools v0.13.0 // indirect 90 | google.golang.org/protobuf v1.31.0 // indirect 91 | lukechampine.com/blake3 v1.2.1 // indirect 92 | ) 93 | 94 | replace github.com/Dreamacro/clash => github.com/MetaCubeX/Clash.Meta v1.16.0 95 | -------------------------------------------------------------------------------- /fulltclash.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "context" 5 | "crypto/sha256" 6 | _ "embed" 7 | "encoding/hex" 8 | "errors" 9 | "flag" 10 | "fmt" 11 | "github.com/Dreamacro/clash/adapter" 12 | "github.com/Dreamacro/clash/adapter/inbound" 13 | N "github.com/Dreamacro/clash/common/net" 14 | "github.com/Dreamacro/clash/common/pool" 15 | "github.com/Dreamacro/clash/component/nat" 16 | "github.com/Dreamacro/clash/component/resolver" 17 | "github.com/Dreamacro/clash/constant" 18 | icontext "github.com/Dreamacro/clash/context" 19 | "github.com/Dreamacro/clash/listener/mixed" 20 | "github.com/Dreamacro/clash/listener/socks" 21 | "golang.org/x/crypto/chacha20poly1305" 22 | "gopkg.in/yaml.v3" 23 | "io" 24 | "log" 25 | "net" 26 | "net/netip" 27 | "os" 28 | "os/signal" 29 | "runtime" 30 | "strconv" 31 | "strings" 32 | "sync" 33 | "syscall" 34 | "time" 35 | ) 36 | 37 | var ( 38 | controlPort string 39 | proxyPort string 40 | ) 41 | 42 | func init() { 43 | flag.StringVar(&controlPort, "c", "", "set control port\t设置控制端口") 44 | flag.StringVar(&proxyPort, "p", "", "set proxy port\t设置代理端口并开始监听，多个端口之间以|进行分隔") 45 | flag.Parse() 46 | 47 | } 48 | func main() { 49 | if controlPort == "" { 50 | fmt.Printf("Invalid control-port value") 51 | return 52 | } 53 | if proxyPort == "" { 54 | fmt.Printf("Invalid proxy-port value") 55 | return 56 | } 57 | portSlice := strings.Split(proxyPort, "|") 58 | portSliceLen := len(portSlice) 59 | fmt.Println("接收到的端口数量:", portSliceLen) 60 | 61 | if portSliceLen < 1 { 62 | fmt.Printf("No proxy port available") 63 | return 64 | } 65 | if portSliceLen > 128 { 66 | fmt.Printf("setProxy index must be range in 0~ 127, current index is %d\n", portSliceLen) 67 | return 68 | } 69 | for _i, _port := range portSlice { 70 | _addr := "127.0.0.1:" + _port 71 | go startclashMixed(_addr, _i) 72 | } 73 | 74 | addr := "127.0.0.1:" + controlPort 75 | sockControl(addr) 76 | sigCh := make(chan os.Signal, 1) 77 | signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM) 78 | <-sigCh 79 | } 80 | 81 | ////go:embed rootCA.crt 82 | //var FullTClashRootCa []byte 83 | 84 | //go:embed build.key 85 | var BUILDTOKEN []byte // Change this to your own key and nonce 86 | var rawcfgs = make([]*RawConfig, 128) 87 | var ( 88 | natTable = nat.New() 89 | udpTimeout = 60 * time.Second 90 | // lock for recreate function 91 | mixedMux sync.Mutex 92 | ) 93 | 94 | // 这是默认的 nonce,实际上这是不安全的做法，nonce应该是随机一次性的，但是我为了方便把它固定了。 95 | var nonce = []byte("012345678912") 96 | 97 | type RawConfig struct { 98 | Proxy map[string]any `yaml:"proxies"` 99 | } 100 | 101 | type RawConfig2 struct { 102 | Proxy map[string]any `yaml:"proxies"` 103 | Index int `yaml:"index"` 104 | Command string `yaml:"command"` 105 | PingURL string `yaml:"pingurl"` 106 | } 107 | 108 | func sha25632bytes(data []byte) []byte { 109 | SHA256 := sha256.New() 110 | SHA256.Write(data) 111 | digest := SHA256.Sum(nil) 112 | hexDigest := hex.EncodeToString(digest) 113 | output := hexDigest[:32] 114 | return []byte(output) 115 | } 116 | func sockControl(addr string) { 117 | // Listen on a socket address 118 | listener, err := net.Listen("tcp", addr) 119 | if err != nil { 120 | log.Fatal(err) 121 | } 122 | defer listener.Close() 123 | 124 | fmt.Printf("已开始在 %s 进行socket监听\n", addr) 125 | for { 126 | // Accept a connection from a client 127 | conn, err := listener.Accept() 128 | if err != nil { 129 | log.Println(err) 130 | continue 131 | } 132 | //fmt.Printf("data incoming from %s \n", conn.RemoteAddr()) 133 | // Handle the connection in a goroutine 134 | go handleConnection(conn) 135 | } 136 | } 137 | func decryptData(encryptdata []byte) []byte { 138 | if len(encryptdata) < 16 { 139 | return nil 140 | } 141 | aead, err := chacha20poly1305.New(sha25632bytes(BUILDTOKEN)) 142 | if err != nil { 143 | //log.Printf("error: %s", err.Error()) 144 | } 145 | 146 | plaintext, err := aead.Open(nil, nonce, encryptdata, nil) 147 | if err != nil { 148 | log.Println(err) 149 | return nil 150 | } 151 | return plaintext 152 | } 153 | func handleConnection(conn net.Conn) { 154 | defer conn.Close() 155 | //nonce = []byte("123456789012") 156 | tempconf := RawConfig2{ 157 | Proxy: nil, 158 | Index: -1, 159 | Command: "", 160 | PingURL: "", 161 | } 162 | 163 | // Read data from the client 164 | buf, err := io.ReadAll(conn) 165 | if err != nil { 166 | fmt.Println("发生错误") 167 | log.Println(err) 168 | return 169 | } 170 | plaintext := decryptData(buf) 171 | if plaintext == nil { 172 | return 173 | } 174 | err = yaml.Unmarshal(plaintext, &tempconf) 175 | if err != nil { 176 | errstr := err.Error() 177 | log.Printf("error: %s\n", errstr) 178 | return 179 | } 180 | if tempconf.Command == "" { 181 | log.Printf("invaild command") 182 | return 183 | } else if tempconf.Command == "setproxy" { 184 | setProxy(&tempconf) 185 | } else if tempconf.Command == "urltest" { 186 | if tempconf.PingURL == "" { 187 | return 188 | } 189 | delay := myURLTest(tempconf.PingURL, tempconf.Index) 190 | _, err2 := conn.Write([]byte(strconv.Itoa(int(delay)))) 191 | if err2 != nil { 192 | log.Printf("error: %s", err2.Error()) 193 | return 194 | } 195 | log.Printf("delay: %d", delay) 196 | } else { 197 | log.Println("unknown command!") 198 | return 199 | } 200 | 201 | } 202 | 203 | func myURLTest(pingURL string, index int) uint16 { 204 | if !checkIndex(index) { 205 | return 0 206 | } 207 | proxy, err := adapter.ParseProxy(rawcfgs[index].Proxy) 208 | if err != nil { 209 | fmt.Printf("error: %s \n", err.Error()) 210 | return 0 211 | } 212 | ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) 213 | defer cancel() 214 | delay, err := proxy.URLTest(ctx, pingURL, nil, 0) 215 | if ctx.Err() != nil { 216 | return 0 217 | } 218 | 219 | if err != nil || delay == 0 { 220 | fmt.Printf("error: %s \n", err.Error()) 221 | return delay 222 | } 223 | return delay 224 | } 225 | 226 | func startclashMixed(rawaddr string, index int) { 227 | addr := rawaddr 228 | tcpQueue := make(chan constant.ConnContext, 256) 229 | udpQueue := make(chan constant.PacketAdapter, 32) 230 | if resolver.DisableIPv6 { 231 | resolver.DisableIPv6 = false 232 | } 233 | mixedListener, mixedUDPLister := CreateListenerMixed(addr, tcpQueue, udpQueue, index) 234 | defer mixedListener.Close() 235 | defer mixedUDPLister.Close() 236 | if index == 0 { 237 | numUDPWorkers := 4 238 | if num := runtime.GOMAXPROCS(0); num > numUDPWorkers { 239 | numUDPWorkers = num 240 | } 241 | for i := 0; i < numUDPWorkers; i++ { 242 | go func() { 243 | for conn1 := range udpQueue { 244 | if conn, ok := conn1.(*inbound.PacketAdapter); ok { 245 | handleUDPConn(conn, index) 246 | } else { 247 | fmt.Println("Failed to convert conn1 to *inbound.PacketAdapter") 248 | } 249 | } 250 | }() 251 | } 252 | } 253 | for conn2 := range tcpQueue { 254 | go handleTCPConn(conn2, index) 255 | } 256 | } 257 | func CreateListenerMixed(rawaddr string, tcpIn chan<- constant.ConnContext, udpIn chan<- constant.PacketAdapter, index int) (*mixed.Listener, *socks.UDPListener) { 258 | addr := rawaddr 259 | mixedMux.Lock() 260 | defer mixedMux.Unlock() 261 | 262 | var err error 263 | defer func() { 264 | if err != nil { 265 | fmt.Printf("Start Mixed(http+socks) server error: %s\n", err.Error()) 266 | } 267 | }() 268 | 269 | mixedListener, err := mixed.New(addr, tcpIn) 270 | if err != nil { 271 | return nil, nil 272 | } 273 | var mixedUDPLister *socks.UDPListener 274 | if index == 0 { 275 | mixedUDPLister, err = socks.NewUDP(addr, udpIn) 276 | if err != nil { 277 | return nil, nil 278 | } 279 | } 280 | 281 | fmt.Printf("Mixed(http+socks) proxy listening at: %s\n", mixedListener.Address()) 282 | return mixedListener, mixedUDPLister 283 | } 284 | 285 | func handleUDPConn(packet *inbound.PacketAdapter, index int) { 286 | metadata := packet.Metadata() 287 | if !metadata.Valid() { 288 | fmt.Printf("[Metadata] not valid: %#v", metadata) 289 | return 290 | } 291 | 292 | // make a fAddr if request ip is fakeip 293 | var fAddr netip.Addr 294 | if resolver.IsExistFakeIP(metadata.DstIP) { 295 | fAddr = metadata.DstIP.Unmap() 296 | } 297 | 298 | // local resolve UDP dns 299 | if !metadata.Resolved() { 300 | ips, err := resolver.LookupIP(context.Background(), metadata.Host) 301 | if err != nil { 302 | return 303 | } else if len(ips) == 0 { 304 | return 305 | } 306 | metadata.DstIP = ips[0] 307 | } 308 | 309 | key := packet.LocalAddr().String() 310 | 311 | handle := func() bool { 312 | pc, _ := natTable.Get(key) 313 | if pc != nil { 314 | err := handleUDPToRemote(packet, pc, metadata) 315 | if err != nil { 316 | return false 317 | } 318 | return true 319 | } 320 | return false 321 | } 322 | 323 | if handle() { 324 | return 325 | } 326 | 327 | lockKey := key + "-lock" 328 | cond, loaded := natTable.GetOrCreateLock(lockKey) 329 | 330 | go func() { 331 | if loaded { 332 | cond.L.Lock() 333 | cond.Wait() 334 | handle() 335 | cond.L.Unlock() 336 | return 337 | } 338 | 339 | defer func() { 340 | natTable.Delete(lockKey) 341 | cond.Broadcast() 342 | }() 343 | 344 | pCtx := icontext.NewPacketConnContext(metadata) 345 | rawcfg := rawcfgs[index] 346 | if rawcfg == nil { 347 | fmt.Println("Null pointer reference. Connection break down!") 348 | return 349 | } 350 | if rawcfg.Proxy == nil { 351 | fmt.Println("Null pointer reference. Connection break down!") 352 | return 353 | } 354 | proxy, err := adapter.ParseProxy(rawcfg.Proxy) 355 | //proxy, rule, err := resolveMetadata(pCtx, metadata) 356 | if err != nil { 357 | fmt.Printf("[UDP] Parse metadata failed: %s", err.Error()) 358 | return 359 | } 360 | 361 | ctx, cancel := context.WithTimeout(context.Background(), constant.DefaultUDPTimeout) 362 | defer cancel() 363 | rawPc, err := proxy.ListenPacketContext(ctx, metadata.Pure()) 364 | if err != nil { 365 | fmt.Printf( 366 | "[UDP] dial %s %s --> %s error: %s\n", 367 | proxy.Name(), 368 | metadata.SourceAddress(), 369 | metadata.RemoteAddress(), 370 | err.Error(), 371 | ) 372 | return 373 | } 374 | pCtx.InjectPacketConn(rawPc) 375 | //pc := statistic.NewUDPTracker(rawPc, statistic.DefaultManager, metadata, nil, 0, 0, false) 376 | 377 | oAddr := metadata.DstIP.Unmap() 378 | go handleUDPToLocal(packet.UDPPacket, rawPc, key, oAddr, fAddr) 379 | 380 | natTable.Set(key, rawPc, nil) 381 | handle() 382 | }() 383 | } 384 | func handleUDPToLocal(packet constant.UDPPacket, pc net.PacketConn, key string, oAddr, fAddr netip.Addr) { 385 | buf := pool.Get(pool.UDPBufferSize) 386 | defer pool.Put(buf) 387 | defer natTable.Delete(key) 388 | defer pc.Close() 389 | 390 | for { 391 | err := pc.SetReadDeadline(time.Now().Add(udpTimeout)) 392 | if err != nil { 393 | return 394 | } 395 | n, from, err := pc.ReadFrom(buf) 396 | if err != nil { 397 | return 398 | } 399 | 400 | fromUDPAddr := from.(*net.UDPAddr) 401 | if fAddr.IsValid() { 402 | fromAddr, _ := netip.AddrFromSlice(fromUDPAddr.IP) 403 | fromAddr = fromAddr.Unmap() 404 | if oAddr == fromAddr { 405 | fromUDPAddr.IP = fAddr.AsSlice() 406 | } 407 | } 408 | 409 | _, err = packet.WriteBack(buf[:n], fromUDPAddr) 410 | if err != nil { 411 | return 412 | } 413 | } 414 | } 415 | func handleUDPToRemote(packet constant.UDPPacket, pc constant.PacketConn, metadata *constant.Metadata) error { 416 | defer packet.Drop() 417 | 418 | addr := metadata.UDPAddr() 419 | if addr == nil { 420 | return errors.New("udp addr invalid") 421 | } 422 | 423 | if _, err := pc.WriteTo(packet.Data(), addr); err != nil { 424 | return err 425 | } 426 | // reset timeout 427 | err := pc.SetReadDeadline(time.Now().Add(udpTimeout)) 428 | if err != nil { 429 | return err 430 | } 431 | 432 | return nil 433 | } 434 | func handleTCPConn(connCtx constant.ConnContext, index int) { 435 | metadata := connCtx.Metadata() 436 | rawcfg := rawcfgs[index] 437 | if rawcfg == nil { 438 | fmt.Println("Null pointer reference. Connection break down!") 439 | return 440 | } 441 | if rawcfg.Proxy == nil { 442 | fmt.Println("Null pointer reference. Connection break down!") 443 | return 444 | } 445 | proxy, err := adapter.ParseProxy(rawcfg.Proxy) 446 | if err != nil { 447 | fmt.Printf("error: %s \n", err.Error()) 448 | return 449 | } 450 | if proxy == nil { 451 | fmt.Println("Null pointer reference. Connection break down!") 452 | return 453 | } 454 | //fmt.Printf("request incoming from %s to %s, using %s , index: %d\n", metadata.SourceAddress(), metadata.RemoteAddress(), proxy.Name(), index) 455 | ctx, cancel := context.WithTimeout(context.Background(), constant.DefaultTCPTimeout) 456 | defer cancel() 457 | remoteConn, err := proxy.DialContext(ctx, metadata) 458 | if err != nil { 459 | fmt.Printf( 460 | "[TCP] dial %s %s --> %s error: %s\n", 461 | proxy.Name(), 462 | metadata.SourceAddress(), 463 | metadata.RemoteAddress(), 464 | err.Error(), 465 | ) 466 | return 467 | } 468 | defer remoteConn.Close() 469 | N.Relay(connCtx.Conn(), remoteConn) 470 | } 471 | 472 | func checkIndex(index int) bool { 473 | if index >= 128 || index < 0 { 474 | log.Printf("setProxy index must be range in 0~ 127, current index is %d\n", index) 475 | return false 476 | } 477 | return true 478 | } 479 | func setProxy(tempconf *RawConfig2) { 480 | if !checkIndex(tempconf.Index) { 481 | return 482 | } 483 | if len(rawcfgs) < 128 { 484 | log.Println("init rawconfigs") 485 | for i := 0; i < 128; i++ { 486 | rawcfgs = append(rawcfgs, &RawConfig{Proxy: map[string]any{}}) 487 | } 488 | } 489 | rawcfgs[tempconf.Index] = &RawConfig{Proxy: tempconf.Proxy} 490 | //log.Printf("set proxy success! index: %d\n", tempconf.Index) 491 | } 492 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/3andne/restls-client-go v0.1.6 h1:tRx/YilqW7iHpgmEL4E1D8dAsuB0tFF3uvncS+B6I08= 2 | github.com/3andne/restls-client-go v0.1.6/go.mod h1:iEdTZNt9kzPIxjIGSMScUFSBrUH6bFRNg0BWlP4orEY= 3 | github.com/MetaCubeX/Clash.Meta v1.16.0 h1:iXyrWiNXW2KTeVavNF6RYT+ZttN1GcA2RZA4yBOJy4g= 4 | github.com/MetaCubeX/Clash.Meta v1.16.0/go.mod h1:KjXZh8AsC2LLtL9iUvBeHG+GofSfTMj4WLddhuVcKrs= 5 | github.com/RyuaNerin/go-krypto v1.0.2 h1:9KiZrrBs+tDrQ66dNy4nrX6SzntKtSKdm0wKHhdB4WM= 6 | github.com/RyuaNerin/go-krypto v1.0.2/go.mod h1:17LzMeJCgzGTkPH3TmfzRnEJ/yA7ErhTPp9sxIqONtA= 7 | github.com/Yawning/aez v0.0.0-20211027044916-e49e68abd344 h1:cDVUiFo+npB0ZASqnw4q90ylaVAbnYyx0JYqK4YcGok= 8 | github.com/Yawning/aez v0.0.0-20211027044916-e49e68abd344/go.mod h1:9pIqrY6SXNL8vjRQE5Hd/OL5GyK/9MrGUWs87z/eFfk= 9 | github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da h1:KjTM2ks9d14ZYCvmHS9iAKVt9AyzRSqNU1qabPih5BY= 10 | github.com/aead/chacha20 v0.0.0-20180709150244-8b13a72661da/go.mod h1:eHEWzANqSiWQsof+nXEI9bUVUyV6F53Fp89EuCh2EAA= 11 | github.com/andybalholm/brotli v1.0.5 h1:8uQZIdzKmjc/iuPu7O2ioW48L81FgatrcpfFmiq/cCs= 12 | github.com/andybalholm/brotli v1.0.5/go.mod h1:fO7iG3H7G2nSZ7m0zPUDn85XEX2GTukHGRSepvi9Eig= 13 | github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= 14 | github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI= 15 | github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI= 16 | github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU= 17 | github.com/coreos/go-iptables v0.7.0 h1:XWM3V+MPRr5/q51NuWSgU0fqMad64Zyxs8ZUoMsamr8= 18 | github.com/coreos/go-iptables v0.7.0/go.mod h1:Qe8Bv2Xik5FyTXwgIbLAnv2sWSBmvWdFETJConOQ//Q= 19 | github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 20 | github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= 21 | github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 22 | github.com/ericlagergren/aegis v0.0.0-20230312195928-b4ce538b56f9 h1:/5RkVc9Rc81XmMyVqawCiDyrBHZbLAZgTTCqou4mwj8= 23 | github.com/ericlagergren/aegis v0.0.0-20230312195928-b4ce538b56f9/go.mod h1:hkIFzoiIPZYxdFOOLyDho59b7SrDfo+w3h+yWdlg45I= 24 | github.com/ericlagergren/polyval v0.0.0-20220411101811-e25bc10ba391 h1:8j2RH289RJplhA6WfdaPqzg1MjH2K8wX5e0uhAxrw2g= 25 | github.com/ericlagergren/polyval v0.0.0-20220411101811-e25bc10ba391/go.mod h1:K2R7GhgxrlJzHw2qiPWsCZXf/kXEJN9PLnQK73Ll0po= 26 | github.com/ericlagergren/saferand v0.0.0-20220206064634-960a4dd2bc5c h1:RUzBDdZ+e/HEe2Nh8lYsduiPAZygUfVXJn0Ncj5sHMg= 27 | github.com/ericlagergren/siv v0.0.0-20220507050439-0b757b3aa5f1 h1:tlDMEdcPRQKBEz5nGDMvswiajqh7k8ogWRlhRwKy5mY= 28 | github.com/ericlagergren/siv v0.0.0-20220507050439-0b757b3aa5f1/go.mod h1:4RfsapbGx2j/vU5xC/5/9qB3kn9Awp1YDiEnN43QrJ4= 29 | github.com/ericlagergren/subtle v0.0.0-20220507045147-890d697da010 h1:fuGucgPk5dN6wzfnxl3D0D3rVLw4v2SbBT9jb4VnxzA= 30 | github.com/ericlagergren/subtle v0.0.0-20220507045147-890d697da010/go.mod h1:JtBcj7sBuTTRupn7c2bFspMDIObMJsVK8TeUvpShPok= 31 | github.com/gaukas/godicttls v0.0.4 h1:NlRaXb3J6hAnTmWdsEKb9bcSBD6BvcIjdGdeb0zfXbk= 32 | github.com/gaukas/godicttls v0.0.4/go.mod h1:l6EenT4TLWgTdwslVb4sEMOCf7Bv0JAK67deKr9/NCI= 33 | github.com/go-logr/logr 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v0.6.4 h1:kVTaSd7WLz5WZ2IaoM0RSzRsUD+m8wRR+5qvntpn4LU= 151 | github.com/shoenig/test v0.6.4/go.mod h1:byHiCGXqrVaflBLAMq/srcZIHynQPQgeyvkvXnjqq0k= 152 | github.com/sina-ghaderi/poly1305 v0.0.0-20220724002748-c5926b03988b h1:rXHg9GrUEtWZhEkrykicdND3VPjlVbYiLdX9J7gimS8= 153 | github.com/sina-ghaderi/poly1305 v0.0.0-20220724002748-c5926b03988b/go.mod h1:X7qrxNQViEaAN9LNZOPl9PfvQtp3V3c7LTo0dvGi0fM= 154 | github.com/sina-ghaderi/rabaead v0.0.0-20220730151906-ab6e06b96e8c h1:DjKMC30y6yjG3IxDaeAj3PCoRr+IsO+bzyT+Se2m2Hk= 155 | github.com/sina-ghaderi/rabaead v0.0.0-20220730151906-ab6e06b96e8c/go.mod h1:NV/a66PhhWYVmUMaotlXJ8fIEFB98u+c8l/CQIEFLrU= 156 | github.com/sina-ghaderi/rabbitio v0.0.0-20220730151941-9ce26f4f872e h1:ur8uMsPIFG3i4Gi093BQITvwH9znsz2VUZmnmwHvpIo= 157 | github.com/sina-ghaderi/rabbitio v0.0.0-20220730151941-9ce26f4f872e/go.mod h1:+e5fBW3bpPyo+3uLo513gIUblc03egGjMM0+5GKbzK8= 158 | github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ= 159 | github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ= 160 | github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= 161 | github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= 162 | github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= 163 | github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= 164 | github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= 165 | github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= 166 | github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= 167 | github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= 168 | github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk= 169 | github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo= 170 | github.com/tklauser/go-sysconf v0.3.12 h1:0QaGUFOdQaIVdPgfITYzaTegZvdCjmYO52cSFAEVmqU= 171 | github.com/tklauser/go-sysconf v0.3.12/go.mod h1:Ho14jnntGE1fpdOqQEEaiKRpvIavV0hSfmBq8nJbHYI= 172 | github.com/tklauser/numcpus v0.6.1 h1:ng9scYS7az0Bk4OZLvrNXNSAO2Pxr1XXRAPyjhIx+Fk= 173 | github.com/tklauser/numcpus v0.6.1/go.mod h1:1XfjsgE2zo8GVw7POkMbHENHzVg3GzmoZ9fESEdAacY= 174 | github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 h1:tHNk7XK9GkmKUR6Gh8gVBKXc2MVSZ4G/NnWLtzw4gNA= 175 | github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923/go.mod h1:eLL9Nub3yfAho7qB0MzZizFhTU2QkLeoVsWdHtDW264= 176 | github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE= 177 | github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU= 178 | github.com/vishvananda/netns v0.0.0-20210104183010-2eb08e3e575f/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0= 179 | github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= 180 | github.com/yusufpapurcu/wmi v1.2.3 h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw= 181 | github.com/yusufpapurcu/wmi v1.2.3/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0= 182 | github.com/zhangyunhao116/fastrand v0.3.0 h1:7bwe124xcckPulX6fxtr2lFdO2KQqaefdtbk+mqO/Ig= 183 | github.com/zhangyunhao116/fastrand v0.3.0/go.mod h1:0v5KgHho0VE6HU192HnY15de/oDS8UrbBChIFjIhBtc= 184 | gitlab.com/yawning/bsaes.git v0.0.0-20190805113838-0a714cd429ec h1:FpfFs4EhNehiVfzQttTuxanPIT43FtkkCFypIod8LHo= 185 | gitlab.com/yawning/bsaes.git v0.0.0-20190805113838-0a714cd429ec/go.mod h1:BZ1RAoRPbCxum9Grlv5aeksu2H8BiKehBYooU2LFiOQ= 186 | go.etcd.io/bbolt v1.3.7 h1:j+zJOnnEjF/kyHlDDgGnVL/AIqIJPq8UoB2GSNfkUfQ= 187 | go.etcd.io/bbolt v1.3.7/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw= 188 | golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= 189 | golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= 190 | golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck= 191 | golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc= 192 | golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g= 193 | golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k= 194 | golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY= 195 | golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg= 196 | golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= 197 | golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc= 198 | golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= 199 | golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= 200 | golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= 201 | golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= 202 | golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8= 203 | golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk= 204 | golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 205 | golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= 206 | golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E= 207 | golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y= 208 | golang.org/x/sys 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v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= 248 | gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY= 249 | gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= 250 | gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= 251 | gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= 252 | lukechampine.com/blake3 v1.2.1 h1:YuqqRuaqsGV71BV/nm9xlI0MKUv4QC54jQnBChWbGnI= 253 | lukechampine.com/blake3 v1.2.1/go.mod h1:0OFRp7fBtAylGVCO40o87sbupkyIGgbpv1+M1k1LM6k= 254 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------