package v4 import ( "encoding/json" "strings" "github.com/golang/protobuf/proto" "github.com/v2fly/v2ray-core/v5/common/protocol" "github.com/v2fly/v2ray-core/v5/common/serial" "github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon" "github.com/v2fly/v2ray-core/v5/proxy/socks" ) type SocksAccount struct { Username string `json:"user"` Password string `json:"pass"` } func (v *SocksAccount) Build() *socks.Account { return &socks.Account{ Username: v.Username, Password: v.Password, } } const ( AuthMethodNoAuth = "noauth" AuthMethodUserPass = "password" ) type SocksServerConfig struct { AuthMethod string `json:"auth"` Accounts []*SocksAccount `json:"accounts"` UDP bool `json:"udp"` Host *cfgcommon.Address `json:"ip"` Timeout uint32 `json:"timeout"` UserLevel uint32 `json:"userLevel"` } func (v *SocksServerConfig) Build() (proto.Message, error) { config := new(socks.ServerConfig) switch v.AuthMethod { case AuthMethodNoAuth: config.AuthType = socks.AuthType_NO_AUTH case AuthMethodUserPass: config.AuthType = socks.AuthType_PASSWORD default: // newError("unknown socks auth method: ", v.AuthMethod, ". Default to noauth.").AtWarning().WriteToLog() config.AuthType = socks.AuthType_NO_AUTH } if len(v.Accounts) > 0 { config.Accounts = make(map[string]string, len(v.Accounts)) for _, account := range v.Accounts { config.Accounts[account.Username] = account.Password } } config.UdpEnabled = v.UDP if v.Host != nil { config.Address = v.Host.Build() } config.Timeout = v.Timeout config.UserLevel = v.UserLevel return config, nil } type SocksRemoteConfig struct { Address *cfgcommon.Address `json:"address"` Port uint16 `json:"port"` Users []json.RawMessage `json:"users"` } type SocksClientConfig struct { Servers []*SocksRemoteConfig `json:"servers"` Version string `json:"version"` } func (v *SocksClientConfig) Build() (proto.Message, error) { config := new(socks.ClientConfig) config.Server = make([]*protocol.ServerEndpoint, len(v.Servers)) switch strings.ToLower(v.Version) { case "4": config.Version = socks.Version_SOCKS4 case "4a": config.Version = socks.Version_SOCKS4A case "", "5": config.Version = socks.Version_SOCKS5 default: return nil, newError("failed to parse socks server version: ", v.Version).AtError() } for idx, serverConfig := range v.Servers { server := &protocol.ServerEndpoint{ Address: serverConfig.Address.Build(), Port: uint32(serverConfig.Port), } for _, rawUser := range serverConfig.Users { user := new(protocol.User) if err := json.Unmarshal(rawUser, user); err != nil { return nil, newError("failed to parse Socks user").Base(err).AtError() } account := new(SocksAccount) if err := json.Unmarshal(rawUser, account); err != nil { return nil, newError("failed to parse socks account").Base(err).AtError() } if config.Version != socks.Version_SOCKS5 && account.Password != "" { return nil, newError("password is only supported in socks5").AtError() } user.Account = serial.ToTypedMessage(account.Build()) server.User = append(server.User, user) } config.Server[idx] = server } return config, nil }