package v4 import ( "encoding/json" "runtime" "strconv" "syscall" "github.com/golang/protobuf/proto" "github.com/v2fly/v2ray-core/v4/common/net" "github.com/v2fly/v2ray-core/v4/common/protocol" "github.com/v2fly/v2ray-core/v4/common/serial" "github.com/v2fly/v2ray-core/v4/infra/conf/cfgcommon" "github.com/v2fly/v2ray-core/v4/proxy/vless" "github.com/v2fly/v2ray-core/v4/proxy/vless/inbound" "github.com/v2fly/v2ray-core/v4/proxy/vless/outbound" ) type VLessInboundFallback struct { Alpn string `json:"alpn"` Path string `json:"path"` Type string `json:"type"` Dest json.RawMessage `json:"dest"` Xver uint64 `json:"xver"` } type VLessInboundConfig struct { Clients []json.RawMessage `json:"clients"` Decryption string `json:"decryption"` Fallback json.RawMessage `json:"fallback"` Fallbacks []*VLessInboundFallback `json:"fallbacks"` } // Build implements Buildable func (c *VLessInboundConfig) Build() (proto.Message, error) { config := new(inbound.Config) config.Clients = make([]*protocol.User, len(c.Clients)) for idx, rawUser := range c.Clients { user := new(protocol.User) if err := json.Unmarshal(rawUser, user); err != nil { return nil, newError(`VLESS clients: invalid user`).Base(err) } account := new(vless.Account) if err := json.Unmarshal(rawUser, account); err != nil { return nil, newError(`VLESS clients: invalid user`).Base(err) } if account.Encryption != "" { return nil, newError(`VLESS clients: "encryption" should not in inbound settings`) } user.Account = serial.ToTypedMessage(account) config.Clients[idx] = user } if c.Decryption != "none" { return nil, newError(`VLESS settings: please add/set "decryption":"none" to every settings`) } config.Decryption = c.Decryption if c.Fallback != nil { return nil, newError(`VLESS settings: please use "fallbacks":[{}] instead of "fallback":{}`) } for _, fb := range c.Fallbacks { var i uint16 var s string if err := json.Unmarshal(fb.Dest, &i); err == nil { s = strconv.Itoa(int(i)) } else { _ = json.Unmarshal(fb.Dest, &s) } config.Fallbacks = append(config.Fallbacks, &inbound.Fallback{ Alpn: fb.Alpn, Path: fb.Path, Type: fb.Type, Dest: s, Xver: fb.Xver, }) } for _, fb := range config.Fallbacks { /* if fb.Alpn == "h2" && fb.Path != "" { return nil, newError(`VLESS fallbacks: "alpn":"h2" doesn't support "path"`) } */ if fb.Path != "" && fb.Path[0] != '/' { return nil, newError(`VLESS fallbacks: "path" must be empty or start with "/"`) } if fb.Type == "" && fb.Dest != "" { if fb.Dest == "serve-ws-none" { fb.Type = "serve" } else { switch fb.Dest[0] { case '@', '/': fb.Type = "unix" if fb.Dest[0] == '@' && len(fb.Dest) > 1 && fb.Dest[1] == '@' && (runtime.GOOS == "linux" || runtime.GOOS == "android") { fullAddr := make([]byte, len(syscall.RawSockaddrUnix{}.Path)) // may need padding to work with haproxy copy(fullAddr, fb.Dest[1:]) fb.Dest = string(fullAddr) } default: if _, err := strconv.Atoi(fb.Dest); err == nil { fb.Dest = "127.0.0.1:" + fb.Dest } if _, _, err := net.SplitHostPort(fb.Dest); err == nil { fb.Type = "tcp" } } } } if fb.Type == "" { return nil, newError(`VLESS fallbacks: please fill in a valid value for every "dest"`) } if fb.Xver > 2 { return nil, newError(`VLESS fallbacks: invalid PROXY protocol version, "xver" only accepts 0, 1, 2`) } } return config, nil } type VLessOutboundVnext struct { Address *cfgcommon.Address `json:"address"` Port uint16 `json:"port"` Users []json.RawMessage `json:"users"` } type VLessOutboundConfig struct { Vnext []*VLessOutboundVnext `json:"vnext"` } // Build implements Buildable func (c *VLessOutboundConfig) Build() (proto.Message, error) { config := new(outbound.Config) if len(c.Vnext) == 0 { return nil, newError(`VLESS settings: "vnext" is empty`) } config.Vnext = make([]*protocol.ServerEndpoint, len(c.Vnext)) for idx, rec := range c.Vnext { if rec.Address == nil { return nil, newError(`VLESS vnext: "address" is not set`) } if len(rec.Users) == 0 { return nil, newError(`VLESS vnext: "users" is empty`) } spec := &protocol.ServerEndpoint{ Address: rec.Address.Build(), Port: uint32(rec.Port), User: make([]*protocol.User, len(rec.Users)), } for idx, rawUser := range rec.Users { user := new(protocol.User) if err := json.Unmarshal(rawUser, user); err != nil { return nil, newError(`VLESS users: invalid user`).Base(err) } account := new(vless.Account) if err := json.Unmarshal(rawUser, account); err != nil { return nil, newError(`VLESS users: invalid user`).Base(err) } if account.Encryption != "none" { return nil, newError(`VLESS users: please add/set "encryption":"none" for every user`) } user.Account = serial.ToTypedMessage(account) spec.User[idx] = user } config.Vnext[idx] = spec } return config, nil }