mirror of https://github.com/v2ray/v2ray-core
479 lines
13 KiB
Go
479 lines
13 KiB
Go
package conf
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import (
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"encoding/json"
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"strings"
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"github.com/golang/protobuf/proto"
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"v2ray.com/core/common/platform/filesystem"
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"v2ray.com/core/common/protocol"
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"v2ray.com/core/common/serial"
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"v2ray.com/core/transport/internet"
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"v2ray.com/core/transport/internet/domainsocket"
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"v2ray.com/core/transport/internet/http"
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"v2ray.com/core/transport/internet/kcp"
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"v2ray.com/core/transport/internet/quic"
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"v2ray.com/core/transport/internet/tcp"
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"v2ray.com/core/transport/internet/tls"
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"v2ray.com/core/transport/internet/websocket"
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)
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var (
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kcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"none": func() interface{} { return new(NoOpAuthenticator) },
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"srtp": func() interface{} { return new(SRTPAuthenticator) },
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"utp": func() interface{} { return new(UTPAuthenticator) },
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"wechat-video": func() interface{} { return new(WechatVideoAuthenticator) },
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"dtls": func() interface{} { return new(DTLSAuthenticator) },
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"wireguard": func() interface{} { return new(WireguardAuthenticator) },
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}, "type", "")
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tcpHeaderLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"none": func() interface{} { return new(NoOpConnectionAuthenticator) },
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"http": func() interface{} { return new(HTTPAuthenticator) },
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}, "type", "")
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)
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type KCPConfig struct {
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Mtu *uint32 `json:"mtu"`
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Tti *uint32 `json:"tti"`
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UpCap *uint32 `json:"uplinkCapacity"`
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DownCap *uint32 `json:"downlinkCapacity"`
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Congestion *bool `json:"congestion"`
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ReadBufferSize *uint32 `json:"readBufferSize"`
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WriteBufferSize *uint32 `json:"writeBufferSize"`
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HeaderConfig json.RawMessage `json:"header"`
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}
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// Build implements Buildable.
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func (c *KCPConfig) Build() (proto.Message, error) {
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config := new(kcp.Config)
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if c.Mtu != nil {
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mtu := *c.Mtu
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if mtu < 576 || mtu > 1460 {
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return nil, newError("invalid mKCP MTU size: ", mtu).AtError()
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}
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config.Mtu = &kcp.MTU{Value: mtu}
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}
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if c.Tti != nil {
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tti := *c.Tti
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if tti < 10 || tti > 100 {
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return nil, newError("invalid mKCP TTI: ", tti).AtError()
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}
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config.Tti = &kcp.TTI{Value: tti}
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}
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if c.UpCap != nil {
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config.UplinkCapacity = &kcp.UplinkCapacity{Value: *c.UpCap}
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}
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if c.DownCap != nil {
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config.DownlinkCapacity = &kcp.DownlinkCapacity{Value: *c.DownCap}
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}
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if c.Congestion != nil {
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config.Congestion = *c.Congestion
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}
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if c.ReadBufferSize != nil {
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size := *c.ReadBufferSize
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if size > 0 {
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config.ReadBuffer = &kcp.ReadBuffer{Size: size * 1024 * 1024}
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} else {
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config.ReadBuffer = &kcp.ReadBuffer{Size: 512 * 1024}
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}
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}
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if c.WriteBufferSize != nil {
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size := *c.WriteBufferSize
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if size > 0 {
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config.WriteBuffer = &kcp.WriteBuffer{Size: size * 1024 * 1024}
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} else {
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config.WriteBuffer = &kcp.WriteBuffer{Size: 512 * 1024}
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}
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}
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if len(c.HeaderConfig) > 0 {
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headerConfig, _, err := kcpHeaderLoader.Load(c.HeaderConfig)
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if err != nil {
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return nil, newError("invalid mKCP header config.").Base(err).AtError()
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}
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ts, err := headerConfig.(Buildable).Build()
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if err != nil {
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return nil, newError("invalid mKCP header config").Base(err).AtError()
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}
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config.HeaderConfig = serial.ToTypedMessage(ts)
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}
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return config, nil
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}
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type TCPConfig struct {
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HeaderConfig json.RawMessage `json:"header"`
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}
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// Build implements Buildable.
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func (c *TCPConfig) Build() (proto.Message, error) {
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config := new(tcp.Config)
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if len(c.HeaderConfig) > 0 {
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headerConfig, _, err := tcpHeaderLoader.Load(c.HeaderConfig)
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if err != nil {
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return nil, newError("invalid TCP header config").Base(err).AtError()
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}
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ts, err := headerConfig.(Buildable).Build()
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if err != nil {
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return nil, newError("invalid TCP header config").Base(err).AtError()
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}
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config.HeaderSettings = serial.ToTypedMessage(ts)
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}
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return config, nil
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}
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type WebSocketConfig struct {
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Path string `json:"path"`
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Path2 string `json:"Path"` // The key was misspelled. For backward compatibility, we have to keep track the old key.
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Headers map[string]string `json:"headers"`
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}
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// Build implements Buildable.
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func (c *WebSocketConfig) Build() (proto.Message, error) {
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path := c.Path
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if len(path) == 0 && len(c.Path2) > 0 {
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path = c.Path2
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}
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header := make([]*websocket.Header, 0, 32)
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for key, value := range c.Headers {
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header = append(header, &websocket.Header{
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Key: key,
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Value: value,
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})
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}
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config := &websocket.Config{
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Path: path,
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Header: header,
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}
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return config, nil
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}
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type HTTPConfig struct {
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Host *StringList `json:"host"`
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Path string `json:"path"`
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}
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func (c *HTTPConfig) Build() (proto.Message, error) {
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config := &http.Config{
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Path: c.Path,
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}
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if c.Host != nil {
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config.Host = []string(*c.Host)
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}
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return config, nil
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}
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type QUICConfig struct {
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Header json.RawMessage `json:"header"`
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Security string `json:"security"`
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Key string `json:"key"`
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}
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func (c *QUICConfig) Build() (proto.Message, error) {
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config := &quic.Config{
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Key: c.Key,
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}
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if len(c.Header) > 0 {
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headerConfig, _, err := kcpHeaderLoader.Load(c.Header)
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if err != nil {
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return nil, newError("invalid QUIC header config.").Base(err).AtError()
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}
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ts, err := headerConfig.(Buildable).Build()
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if err != nil {
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return nil, newError("invalid QUIC header config").Base(err).AtError()
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}
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config.Header = serial.ToTypedMessage(ts)
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}
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var st protocol.SecurityType
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switch strings.ToLower(c.Security) {
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case "aes-128-gcm":
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st = protocol.SecurityType_AES128_GCM
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case "chacha20-poly1305":
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st = protocol.SecurityType_CHACHA20_POLY1305
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default:
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st = protocol.SecurityType_NONE
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}
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config.Security = &protocol.SecurityConfig{
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Type: st,
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}
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return config, nil
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}
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type DomainSocketConfig struct {
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Path string `json:"path"`
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Abstract bool `json:"abstract"`
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}
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func (c *DomainSocketConfig) Build() (proto.Message, error) {
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return &domainsocket.Config{
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Path: c.Path,
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Abstract: c.Abstract,
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}, nil
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}
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type TLSCertConfig struct {
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CertFile string `json:"certificateFile"`
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CertStr []string `json:"certificate"`
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KeyFile string `json:"keyFile"`
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KeyStr []string `json:"key"`
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Usage string `json:"usage"`
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}
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func readFileOrString(f string, s []string) ([]byte, error) {
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if len(f) > 0 {
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return filesystem.ReadFile(f)
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}
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if len(s) > 0 {
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return []byte(strings.Join(s, "\n")), nil
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}
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return nil, newError("both file and bytes are empty.")
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}
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func (c *TLSCertConfig) Build() (*tls.Certificate, error) {
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certificate := new(tls.Certificate)
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cert, err := readFileOrString(c.CertFile, c.CertStr)
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if err != nil {
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return nil, newError("failed to parse certificate").Base(err)
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}
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certificate.Certificate = cert
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if len(c.KeyFile) > 0 || len(c.KeyStr) > 0 {
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key, err := readFileOrString(c.KeyFile, c.KeyStr)
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if err != nil {
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return nil, newError("failed to parse key").Base(err)
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}
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certificate.Key = key
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}
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switch strings.ToLower(c.Usage) {
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case "encipherment":
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certificate.Usage = tls.Certificate_ENCIPHERMENT
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case "verify":
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certificate.Usage = tls.Certificate_AUTHORITY_VERIFY
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case "issue":
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certificate.Usage = tls.Certificate_AUTHORITY_ISSUE
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default:
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certificate.Usage = tls.Certificate_ENCIPHERMENT
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}
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return certificate, nil
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}
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type TLSConfig struct {
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Insecure bool `json:"allowInsecure"`
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InsecureCiphers bool `json:"allowInsecureCiphers"`
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Certs []*TLSCertConfig `json:"certificates"`
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ServerName string `json:"serverName"`
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ALPN *StringList `json:"alpn"`
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DiableSystemRoot bool `json:"disableSystemRoot"`
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}
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// Build implements Buildable.
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func (c *TLSConfig) Build() (proto.Message, error) {
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config := new(tls.Config)
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config.Certificate = make([]*tls.Certificate, len(c.Certs))
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for idx, certConf := range c.Certs {
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cert, err := certConf.Build()
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if err != nil {
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return nil, err
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}
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config.Certificate[idx] = cert
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}
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serverName := c.ServerName
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config.AllowInsecure = c.Insecure
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config.AllowInsecureCiphers = c.InsecureCiphers
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if len(c.ServerName) > 0 {
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config.ServerName = serverName
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}
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if c.ALPN != nil && len(*c.ALPN) > 0 {
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config.NextProtocol = []string(*c.ALPN)
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}
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config.DisableSystemRoot = c.DiableSystemRoot
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return config, nil
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}
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type TransportProtocol string
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// Build implements Buildable.
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func (p TransportProtocol) Build() (string, error) {
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switch strings.ToLower(string(p)) {
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case "tcp":
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return "tcp", nil
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case "kcp", "mkcp":
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return "mkcp", nil
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case "ws", "websocket":
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return "websocket", nil
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case "h2", "http":
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return "http", nil
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case "ds", "domainsocket":
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return "domainsocket", nil
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case "quic":
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return "quic", nil
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default:
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return "", newError("Config: unknown transport protocol: ", p)
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}
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}
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type SocketConfig struct {
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Mark int32 `json:"mark"`
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TFO *bool `json:"tcpFastOpen"`
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TProxy string `json:"tproxy"`
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}
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func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
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var tfoSettings internet.SocketConfig_TCPFastOpenState
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if c.TFO != nil {
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if *c.TFO {
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tfoSettings = internet.SocketConfig_Enable
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} else {
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tfoSettings = internet.SocketConfig_Disable
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}
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}
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var tproxy internet.SocketConfig_TProxyMode
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switch strings.ToLower(c.TProxy) {
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case "tproxy":
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tproxy = internet.SocketConfig_TProxy
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case "redirect":
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tproxy = internet.SocketConfig_Redirect
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default:
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tproxy = internet.SocketConfig_Off
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}
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return &internet.SocketConfig{
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Mark: c.Mark,
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Tfo: tfoSettings,
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Tproxy: tproxy,
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}, nil
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}
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type StreamConfig struct {
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Network *TransportProtocol `json:"network"`
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Security string `json:"security"`
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TLSSettings *TLSConfig `json:"tlsSettings"`
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TCPSettings *TCPConfig `json:"tcpSettings"`
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KCPSettings *KCPConfig `json:"kcpSettings"`
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WSSettings *WebSocketConfig `json:"wsSettings"`
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HTTPSettings *HTTPConfig `json:"httpSettings"`
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DSSettings *DomainSocketConfig `json:"dsSettings"`
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QUICSettings *QUICConfig `json:"quicSettings"`
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SocketSettings *SocketConfig `json:"sockopt"`
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}
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// Build implements Buildable.
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func (c *StreamConfig) Build() (*internet.StreamConfig, error) {
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config := &internet.StreamConfig{
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ProtocolName: "tcp",
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}
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if c.Network != nil {
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protocol, err := (*c.Network).Build()
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if err != nil {
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return nil, err
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}
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config.ProtocolName = protocol
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}
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if strings.ToLower(c.Security) == "tls" {
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tlsSettings := c.TLSSettings
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if tlsSettings == nil {
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tlsSettings = &TLSConfig{}
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}
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ts, err := tlsSettings.Build()
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if err != nil {
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return nil, newError("Failed to build TLS config.").Base(err)
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}
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tm := serial.ToTypedMessage(ts)
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config.SecuritySettings = append(config.SecuritySettings, tm)
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config.SecurityType = tm.Type
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}
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if c.TCPSettings != nil {
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ts, err := c.TCPSettings.Build()
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if err != nil {
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return nil, newError("Failed to build TCP config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "tcp",
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Settings: serial.ToTypedMessage(ts),
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})
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}
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if c.KCPSettings != nil {
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ts, err := c.KCPSettings.Build()
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if err != nil {
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return nil, newError("Failed to build mKCP config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "mkcp",
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Settings: serial.ToTypedMessage(ts),
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})
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}
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if c.WSSettings != nil {
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ts, err := c.WSSettings.Build()
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if err != nil {
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return nil, newError("Failed to build WebSocket config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "websocket",
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Settings: serial.ToTypedMessage(ts),
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})
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}
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if c.HTTPSettings != nil {
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ts, err := c.HTTPSettings.Build()
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if err != nil {
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return nil, newError("Failed to build HTTP config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "http",
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Settings: serial.ToTypedMessage(ts),
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})
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}
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if c.DSSettings != nil {
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ds, err := c.DSSettings.Build()
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if err != nil {
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return nil, newError("Failed to build DomainSocket config.").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "domainsocket",
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Settings: serial.ToTypedMessage(ds),
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})
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}
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if c.QUICSettings != nil {
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qs, err := c.QUICSettings.Build()
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if err != nil {
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return nil, newError("failed to build QUIC config").Base(err)
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}
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config.TransportSettings = append(config.TransportSettings, &internet.TransportConfig{
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ProtocolName: "quic",
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Settings: serial.ToTypedMessage(qs),
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})
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}
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if c.SocketSettings != nil {
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ss, err := c.SocketSettings.Build()
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if err != nil {
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return nil, newError("failed to build sockopt").Base(err)
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}
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config.SocketSettings = ss
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}
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return config, nil
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}
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type ProxyConfig struct {
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Tag string `json:"tag"`
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}
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// Build implements Buildable.
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func (v *ProxyConfig) Build() (*internet.ProxyConfig, error) {
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if len(v.Tag) == 0 {
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return nil, newError("Proxy tag is not set.")
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}
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return &internet.ProxyConfig{
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Tag: v.Tag,
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}, nil
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}
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