mirror of
https://github.com/XTLS/Xray-core.git
synced 2024-08-22 20:56:26 +00:00
192 lines
5.7 KiB
Go
192 lines
5.7 KiB
Go
package conf
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import (
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"encoding/json"
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"runtime"
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"strconv"
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"syscall"
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"github.com/golang/protobuf/proto"
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"github.com/xtls/xray-core/common/net"
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"github.com/xtls/xray-core/common/protocol"
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"github.com/xtls/xray-core/common/serial"
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"github.com/xtls/xray-core/proxy/vless"
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"github.com/xtls/xray-core/proxy/vless/inbound"
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"github.com/xtls/xray-core/proxy/vless/outbound"
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)
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type VLessInboundFallback struct {
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Alpn string `json:"alpn"`
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Path string `json:"path"`
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Type string `json:"type"`
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Dest json.RawMessage `json:"dest"`
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Xver uint64 `json:"xver"`
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}
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type VLessInboundConfig struct {
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Clients []json.RawMessage `json:"clients"`
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Decryption string `json:"decryption"`
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Fallback json.RawMessage `json:"fallback"`
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Fallbacks []*VLessInboundFallback `json:"fallbacks"`
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}
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// Build implements Buildable
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func (c *VLessInboundConfig) Build() (proto.Message, error) {
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config := new(inbound.Config)
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config.Clients = make([]*protocol.User, len(c.Clients))
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for idx, rawUser := range c.Clients {
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user := new(protocol.User)
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if err := json.Unmarshal(rawUser, user); err != nil {
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return nil, newError(`VLESS clients: invalid user`).Base(err)
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}
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account := new(vless.Account)
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if err := json.Unmarshal(rawUser, account); err != nil {
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return nil, newError(`VLESS clients: invalid user`).Base(err)
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}
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switch account.Flow {
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case "", "xtls-rprx-origin", "xtls-rprx-direct":
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case "xtls-rprx-splice":
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return nil, newError(`VLESS clients: inbound doesn't support "xtls-rprx-splice" in this version, please use "xtls-rprx-direct" instead`)
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default:
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return nil, newError(`VLESS clients: "flow" doesn't support "` + account.Flow + `" in this version`)
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}
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if account.Encryption != "" {
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return nil, newError(`VLESS clients: "encryption" should not in inbound settings`)
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}
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user.Account = serial.ToTypedMessage(account)
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config.Clients[idx] = user
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}
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if c.Decryption != "none" {
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return nil, newError(`VLESS settings: please add/set "decryption":"none" to every settings`)
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}
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config.Decryption = c.Decryption
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if c.Fallback != nil {
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return nil, newError(`VLESS settings: please use "fallbacks":[{}] instead of "fallback":{}`)
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}
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for _, fb := range c.Fallbacks {
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var i uint16
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var s string
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if err := json.Unmarshal(fb.Dest, &i); err == nil {
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s = strconv.Itoa(int(i))
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} else {
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_ = json.Unmarshal(fb.Dest, &s)
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}
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config.Fallbacks = append(config.Fallbacks, &inbound.Fallback{
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Alpn: fb.Alpn,
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Path: fb.Path,
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Type: fb.Type,
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Dest: s,
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Xver: fb.Xver,
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})
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}
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for _, fb := range config.Fallbacks {
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/*
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if fb.Alpn == "h2" && fb.Path != "" {
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return nil, newError(`VLESS fallbacks: "alpn":"h2" doesn't support "path"`)
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}
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*/
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if fb.Path != "" && fb.Path[0] != '/' {
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return nil, newError(`VLESS fallbacks: "path" must be empty or start with "/"`)
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}
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if fb.Type == "" && fb.Dest != "" {
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if fb.Dest == "serve-ws-none" {
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fb.Type = "serve"
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} else {
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switch fb.Dest[0] {
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case '@', '/':
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fb.Type = "unix"
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if fb.Dest[0] == '@' && len(fb.Dest) > 1 && fb.Dest[1] == '@' && runtime.GOOS == "linux" {
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fullAddr := make([]byte, len(syscall.RawSockaddrUnix{}.Path)) // may need padding to work with haproxy
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copy(fullAddr, fb.Dest[1:])
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fb.Dest = string(fullAddr)
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}
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default:
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if _, err := strconv.Atoi(fb.Dest); err == nil {
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fb.Dest = "127.0.0.1:" + fb.Dest
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}
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if _, _, err := net.SplitHostPort(fb.Dest); err == nil {
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fb.Type = "tcp"
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}
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}
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}
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}
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if fb.Type == "" {
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return nil, newError(`VLESS fallbacks: please fill in a valid value for every "dest"`)
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}
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if fb.Xver > 2 {
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return nil, newError(`VLESS fallbacks: invalid PROXY protocol version, "xver" only accepts 0, 1, 2`)
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}
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}
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return config, nil
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}
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type VLessOutboundVnext struct {
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Address *Address `json:"address"`
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Port uint16 `json:"port"`
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Users []json.RawMessage `json:"users"`
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}
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type VLessOutboundConfig struct {
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Vnext []*VLessOutboundVnext `json:"vnext"`
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}
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// Build implements Buildable
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func (c *VLessOutboundConfig) Build() (proto.Message, error) {
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config := new(outbound.Config)
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if len(c.Vnext) == 0 {
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return nil, newError(`VLESS settings: "vnext" is empty`)
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}
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config.Vnext = make([]*protocol.ServerEndpoint, len(c.Vnext))
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for idx, rec := range c.Vnext {
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if rec.Address == nil {
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return nil, newError(`VLESS vnext: "address" is not set`)
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}
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if len(rec.Users) == 0 {
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return nil, newError(`VLESS vnext: "users" is empty`)
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}
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spec := &protocol.ServerEndpoint{
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Address: rec.Address.Build(),
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Port: uint32(rec.Port),
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User: make([]*protocol.User, len(rec.Users)),
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}
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for idx, rawUser := range rec.Users {
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user := new(protocol.User)
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if err := json.Unmarshal(rawUser, user); err != nil {
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return nil, newError(`VLESS users: invalid user`).Base(err)
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}
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account := new(vless.Account)
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if err := json.Unmarshal(rawUser, account); err != nil {
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return nil, newError(`VLESS users: invalid user`).Base(err)
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}
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switch account.Flow {
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case "", "xtls-rprx-origin", "xtls-rprx-origin-udp443", "xtls-rprx-direct", "xtls-rprx-direct-udp443":
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case "xtls-rprx-splice", "xtls-rprx-splice-udp443":
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if runtime.GOOS != "linux" && runtime.GOOS != "android" {
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return nil, newError(`VLESS users: "` + account.Flow + `" only support linux in this version`)
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}
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default:
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return nil, newError(`VLESS users: "flow" doesn't support "` + account.Flow + `" in this version`)
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}
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if account.Encryption != "none" {
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return nil, newError(`VLESS users: please add/set "encryption":"none" for every user`)
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}
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user.Account = serial.ToTypedMessage(account)
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spec.User[idx] = user
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}
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config.Vnext[idx] = spec
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}
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return config, nil
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}
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