package conf import ( "strings" "github.com/golang/protobuf/proto" "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/shadowsocks" ) func cipherFromString(c string) shadowsocks.CipherType { switch strings.ToLower(c) { case "aes-128-gcm", "aead_aes_128_gcm": return shadowsocks.CipherType_AES_128_GCM case "aes-256-gcm", "aead_aes_256_gcm": return shadowsocks.CipherType_AES_256_GCM case "chacha20-poly1305", "aead_chacha20_poly1305", "chacha20-ietf-poly1305": return shadowsocks.CipherType_CHACHA20_POLY1305 case "none", "plain": return shadowsocks.CipherType_NONE default: return shadowsocks.CipherType_UNKNOWN } } type ShadowsocksServerConfig struct { Cipher string `json:"method"` Password string `json:"password"` UDP bool `json:"udp"` Level byte `json:"level"` Email string `json:"email"` NetworkList *cfgcommon.NetworkList `json:"network"` IVCheck bool `json:"ivCheck"` } func (v *ShadowsocksServerConfig) Build() (proto.Message, error) { config := new(shadowsocks.ServerConfig) config.UdpEnabled = v.UDP config.Network = v.NetworkList.Build() if v.Password == "" { return nil, newError("Shadowsocks password is not specified.") } account := &shadowsocks.Account{ Password: v.Password, IvCheck: v.IVCheck, } account.CipherType = cipherFromString(v.Cipher) if account.CipherType == shadowsocks.CipherType_UNKNOWN { return nil, newError("unknown cipher method: ", v.Cipher) } config.User = &protocol.User{ Email: v.Email, Level: uint32(v.Level), Account: serial.ToTypedMessage(account), } return config, nil } type ShadowsocksServerTarget struct { Address *cfgcommon.Address `json:"address"` Port uint16 `json:"port"` Cipher string `json:"method"` Password string `json:"password"` Email string `json:"email"` Ota bool `json:"ota"` Level byte `json:"level"` IVCheck bool `json:"ivCheck"` } type ShadowsocksClientConfig struct { Servers []*ShadowsocksServerTarget `json:"servers"` } func (v *ShadowsocksClientConfig) Build() (proto.Message, error) { config := new(shadowsocks.ClientConfig) if len(v.Servers) == 0 { return nil, newError("0 Shadowsocks server configured.") } serverSpecs := make([]*protocol.ServerEndpoint, len(v.Servers)) for idx, server := range v.Servers { if server.Address == nil { return nil, newError("Shadowsocks server address is not set.") } if server.Port == 0 { return nil, newError("Invalid Shadowsocks port.") } if server.Password == "" { return nil, newError("Shadowsocks password is not specified.") } account := &shadowsocks.Account{ Password: server.Password, } account.CipherType = cipherFromString(server.Cipher) if account.CipherType == shadowsocks.CipherType_UNKNOWN { return nil, newError("unknown cipher method: ", server.Cipher) } account.IvCheck = server.IVCheck ss := &protocol.ServerEndpoint{ Address: server.Address.Build(), Port: uint32(server.Port), User: []*protocol.User{ { Level: uint32(server.Level), Email: server.Email, Account: serial.ToTypedMessage(account), }, }, } serverSpecs[idx] = ss } config.Server = serverSpecs return config, nil }