mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-09-01 17:24:15 -04:00
573 lines
16 KiB
Go
573 lines
16 KiB
Go
package conf
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import (
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"encoding/json"
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"strings"
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core "github.com/v2fly/v2ray-core/v4"
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"github.com/v2fly/v2ray-core/v4/app/dispatcher"
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"github.com/v2fly/v2ray-core/v4/app/proxyman"
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"github.com/v2fly/v2ray-core/v4/app/stats"
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"github.com/v2fly/v2ray-core/v4/common/serial"
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"github.com/v2fly/v2ray-core/v4/infra/conf/cfgcommon"
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)
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var (
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inboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
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"http": func() interface{} { return new(HTTPServerConfig) },
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"shadowsocks": func() interface{} { return new(ShadowsocksServerConfig) },
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"socks": func() interface{} { return new(SocksServerConfig) },
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"vless": func() interface{} { return new(VLessInboundConfig) },
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"vmess": func() interface{} { return new(VMessInboundConfig) },
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"trojan": func() interface{} { return new(TrojanServerConfig) },
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}, "protocol", "settings")
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outboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"blackhole": func() interface{} { return new(BlackholeConfig) },
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"freedom": func() interface{} { return new(FreedomConfig) },
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"http": func() interface{} { return new(HTTPClientConfig) },
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"shadowsocks": func() interface{} { return new(ShadowsocksClientConfig) },
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"socks": func() interface{} { return new(SocksClientConfig) },
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"vless": func() interface{} { return new(VLessOutboundConfig) },
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"vmess": func() interface{} { return new(VMessOutboundConfig) },
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"trojan": func() interface{} { return new(TrojanClientConfig) },
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"dns": func() interface{} { return new(DNSOutboundConfig) },
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"loopback": func() interface{} { return new(LoopbackConfig) },
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}, "protocol", "settings")
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)
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func toProtocolList(s []string) ([]proxyman.KnownProtocols, error) {
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kp := make([]proxyman.KnownProtocols, 0, 8)
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for _, p := range s {
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switch strings.ToLower(p) {
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case "http":
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kp = append(kp, proxyman.KnownProtocols_HTTP)
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case "https", "tls", "ssl":
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kp = append(kp, proxyman.KnownProtocols_TLS)
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default:
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return nil, newError("Unknown protocol: ", p)
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}
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}
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return kp, nil
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}
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type SniffingConfig struct {
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Enabled bool `json:"enabled"`
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DestOverride *cfgcommon.StringList `json:"destOverride"`
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MetadataOnly bool `json:"metadataOnly"`
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}
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// Build implements Buildable.
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func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) {
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var p []string
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if c.DestOverride != nil {
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for _, domainOverride := range *c.DestOverride {
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switch strings.ToLower(domainOverride) {
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case "http":
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p = append(p, "http")
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case "tls", "https", "ssl":
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p = append(p, "tls")
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case "fakedns":
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p = append(p, "fakedns")
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case "fakedns+others":
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p = append(p, "fakedns+others")
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default:
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return nil, newError("unknown protocol: ", domainOverride)
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}
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}
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}
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return &proxyman.SniffingConfig{
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Enabled: c.Enabled,
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DestinationOverride: p,
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MetadataOnly: c.MetadataOnly,
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}, nil
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}
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type MuxConfig struct {
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Enabled bool `json:"enabled"`
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Concurrency int16 `json:"concurrency"`
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}
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// Build creates MultiplexingConfig, Concurrency < 0 completely disables mux.
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func (m *MuxConfig) Build() *proxyman.MultiplexingConfig {
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if m.Concurrency < 0 {
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return nil
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}
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var con uint32 = 8
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if m.Concurrency > 0 {
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con = uint32(m.Concurrency)
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}
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return &proxyman.MultiplexingConfig{
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Enabled: m.Enabled,
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Concurrency: con,
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}
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}
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type InboundDetourAllocationConfig struct {
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Strategy string `json:"strategy"`
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Concurrency *uint32 `json:"concurrency"`
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RefreshMin *uint32 `json:"refresh"`
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}
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// Build implements Buildable.
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func (c *InboundDetourAllocationConfig) Build() (*proxyman.AllocationStrategy, error) {
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config := new(proxyman.AllocationStrategy)
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switch strings.ToLower(c.Strategy) {
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case "always":
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config.Type = proxyman.AllocationStrategy_Always
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case "random":
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config.Type = proxyman.AllocationStrategy_Random
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case "external":
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config.Type = proxyman.AllocationStrategy_External
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default:
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return nil, newError("unknown allocation strategy: ", c.Strategy)
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}
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if c.Concurrency != nil {
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config.Concurrency = &proxyman.AllocationStrategy_AllocationStrategyConcurrency{
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Value: *c.Concurrency,
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}
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}
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if c.RefreshMin != nil {
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config.Refresh = &proxyman.AllocationStrategy_AllocationStrategyRefresh{
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Value: *c.RefreshMin,
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}
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}
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return config, nil
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}
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type InboundDetourConfig struct {
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Protocol string `json:"protocol"`
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PortRange *cfgcommon.PortRange `json:"port"`
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ListenOn *cfgcommon.Address `json:"listen"`
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Settings *json.RawMessage `json:"settings"`
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Tag string `json:"tag"`
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Allocation *InboundDetourAllocationConfig `json:"allocate"`
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StreamSetting *StreamConfig `json:"streamSettings"`
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DomainOverride *cfgcommon.StringList `json:"domainOverride"`
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SniffingConfig *SniffingConfig `json:"sniffing"`
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}
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// Build implements Buildable.
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func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
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receiverSettings := &proxyman.ReceiverConfig{}
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if c.ListenOn == nil {
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// Listen on anyip, must set PortRange
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if c.PortRange == nil {
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return nil, newError("Listen on AnyIP but no Port(s) set in InboundDetour.")
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}
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receiverSettings.PortRange = c.PortRange.Build()
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} else {
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// Listen on specific IP or Unix Domain Socket
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receiverSettings.Listen = c.ListenOn.Build()
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listenDS := c.ListenOn.Family().IsDomain() && (c.ListenOn.Domain()[0] == '/' || c.ListenOn.Domain()[0] == '@')
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listenIP := c.ListenOn.Family().IsIP() || (c.ListenOn.Family().IsDomain() && c.ListenOn.Domain() == "localhost")
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switch {
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case listenIP:
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// Listen on specific IP, must set PortRange
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if c.PortRange == nil {
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return nil, newError("Listen on specific ip without port in InboundDetour.")
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}
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// Listen on IP:Port
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receiverSettings.PortRange = c.PortRange.Build()
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case listenDS:
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if c.PortRange != nil {
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// Listen on Unix Domain Socket, PortRange should be nil
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receiverSettings.PortRange = nil
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}
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default:
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return nil, newError("unable to listen on domain address: ", c.ListenOn.Domain())
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}
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}
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if c.Allocation != nil {
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concurrency := -1
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if c.Allocation.Concurrency != nil && c.Allocation.Strategy == "random" {
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concurrency = int(*c.Allocation.Concurrency)
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}
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portRange := int(c.PortRange.To - c.PortRange.From + 1)
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if concurrency >= 0 && concurrency >= portRange {
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return nil, newError("not enough ports. concurrency = ", concurrency, " ports: ", c.PortRange.From, " - ", c.PortRange.To)
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}
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as, err := c.Allocation.Build()
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if err != nil {
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return nil, err
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}
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receiverSettings.AllocationStrategy = as
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}
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if c.StreamSetting != nil {
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ss, err := c.StreamSetting.Build()
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if err != nil {
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return nil, err
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}
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receiverSettings.StreamSettings = ss
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}
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if c.SniffingConfig != nil {
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s, err := c.SniffingConfig.Build()
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if err != nil {
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return nil, newError("failed to build sniffing config").Base(err)
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}
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receiverSettings.SniffingSettings = s
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}
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if c.DomainOverride != nil {
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kp, err := toProtocolList(*c.DomainOverride)
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if err != nil {
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return nil, newError("failed to parse inbound detour config").Base(err)
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}
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receiverSettings.DomainOverride = kp
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}
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settings := []byte("{}")
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if c.Settings != nil {
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settings = ([]byte)(*c.Settings)
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}
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rawConfig, err := inboundConfigLoader.LoadWithID(settings, c.Protocol)
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if err != nil {
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return nil, newError("failed to load inbound detour config.").Base(err)
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}
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if dokodemoConfig, ok := rawConfig.(*DokodemoConfig); ok {
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receiverSettings.ReceiveOriginalDestination = dokodemoConfig.Redirect
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}
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ts, err := rawConfig.(Buildable).Build()
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if err != nil {
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return nil, err
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}
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return &core.InboundHandlerConfig{
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Tag: c.Tag,
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ReceiverSettings: serial.ToTypedMessage(receiverSettings),
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ProxySettings: serial.ToTypedMessage(ts),
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}, nil
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}
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type OutboundDetourConfig struct {
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Protocol string `json:"protocol"`
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SendThrough *cfgcommon.Address `json:"sendThrough"`
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Tag string `json:"tag"`
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Settings *json.RawMessage `json:"settings"`
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StreamSetting *StreamConfig `json:"streamSettings"`
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ProxySettings *ProxyConfig `json:"proxySettings"`
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MuxSettings *MuxConfig `json:"mux"`
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}
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// Build implements Buildable.
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func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
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senderSettings := &proxyman.SenderConfig{}
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if c.SendThrough != nil {
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address := c.SendThrough
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if address.Family().IsDomain() {
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return nil, newError("unable to send through: " + address.String())
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}
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senderSettings.Via = address.Build()
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}
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if c.StreamSetting != nil {
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ss, err := c.StreamSetting.Build()
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if err != nil {
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return nil, err
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}
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senderSettings.StreamSettings = ss
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}
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if c.ProxySettings != nil {
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ps, err := c.ProxySettings.Build()
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if err != nil {
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return nil, newError("invalid outbound detour proxy settings.").Base(err)
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}
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senderSettings.ProxySettings = ps
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}
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if c.MuxSettings != nil {
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senderSettings.MultiplexSettings = c.MuxSettings.Build()
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}
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settings := []byte("{}")
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if c.Settings != nil {
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settings = ([]byte)(*c.Settings)
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}
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rawConfig, err := outboundConfigLoader.LoadWithID(settings, c.Protocol)
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if err != nil {
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return nil, newError("failed to parse to outbound detour config.").Base(err)
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}
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ts, err := rawConfig.(Buildable).Build()
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if err != nil {
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return nil, err
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}
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return &core.OutboundHandlerConfig{
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SenderSettings: serial.ToTypedMessage(senderSettings),
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Tag: c.Tag,
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ProxySettings: serial.ToTypedMessage(ts),
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}, nil
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}
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type StatsConfig struct{}
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// Build implements Buildable.
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func (c *StatsConfig) Build() (*stats.Config, error) {
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return &stats.Config{}, nil
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}
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type Config struct {
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// Port of this Point server.
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// Deprecated: Port exists for historical compatibility
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// and should not be used.
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Port uint16 `json:"port"`
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// Deprecated: InboundConfig exists for historical compatibility
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// and should not be used.
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InboundConfig *InboundDetourConfig `json:"inbound"`
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// Deprecated: OutboundConfig exists for historical compatibility
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// and should not be used.
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OutboundConfig *OutboundDetourConfig `json:"outbound"`
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// Deprecated: InboundDetours exists for historical compatibility
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// and should not be used.
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InboundDetours []InboundDetourConfig `json:"inboundDetour"`
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// Deprecated: OutboundDetours exists for historical compatibility
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// and should not be used.
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OutboundDetours []OutboundDetourConfig `json:"outboundDetour"`
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LogConfig *LogConfig `json:"log"`
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RouterConfig *RouterConfig `json:"routing"`
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DNSConfig *DNSConfig `json:"dns"`
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InboundConfigs []InboundDetourConfig `json:"inbounds"`
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OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
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Transport *TransportConfig `json:"transport"`
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Policy *PolicyConfig `json:"policy"`
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API *APIConfig `json:"api"`
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Stats *StatsConfig `json:"stats"`
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Reverse *ReverseConfig `json:"reverse"`
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FakeDNS *FakeDNSConfig `json:"fakeDns"`
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BrowserForwarder *BrowserForwarderConfig `json:"browserForwarder"`
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Observatory *ObservatoryConfig `json:"observatory"`
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Services map[string]*json.RawMessage `json:"services"`
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}
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func (c *Config) findInboundTag(tag string) int {
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found := -1
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for idx, ib := range c.InboundConfigs {
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if ib.Tag == tag {
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found = idx
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break
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}
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}
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return found
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}
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func (c *Config) findOutboundTag(tag string) int {
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found := -1
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for idx, ob := range c.OutboundConfigs {
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if ob.Tag == tag {
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found = idx
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break
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}
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}
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return found
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}
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func applyTransportConfig(s *StreamConfig, t *TransportConfig) {
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if s.TCPSettings == nil {
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s.TCPSettings = t.TCPConfig
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}
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if s.KCPSettings == nil {
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s.KCPSettings = t.KCPConfig
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}
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if s.WSSettings == nil {
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s.WSSettings = t.WSConfig
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}
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if s.HTTPSettings == nil {
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s.HTTPSettings = t.HTTPConfig
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}
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if s.DSSettings == nil {
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s.DSSettings = t.DSConfig
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}
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}
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// Build implements Buildable.
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func (c *Config) Build() (*core.Config, error) {
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if err := PostProcessConfigureFile(c); err != nil {
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return nil, err
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}
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config := &core.Config{
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App: []*serial.TypedMessage{
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serial.ToTypedMessage(&dispatcher.Config{}),
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serial.ToTypedMessage(&proxyman.InboundConfig{}),
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serial.ToTypedMessage(&proxyman.OutboundConfig{}),
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},
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}
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if c.API != nil {
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apiConf, err := c.API.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(apiConf))
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}
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if c.Stats != nil {
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statsConf, err := c.Stats.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(statsConf))
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}
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var logConfMsg *serial.TypedMessage
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if c.LogConfig != nil {
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logConfMsg = serial.ToTypedMessage(c.LogConfig.Build())
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} else {
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logConfMsg = serial.ToTypedMessage(DefaultLogConfig())
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}
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// let logger module be the first App to start,
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// so that other modules could print log during initiating
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config.App = append([]*serial.TypedMessage{logConfMsg}, config.App...)
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if c.RouterConfig != nil {
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routerConfig, err := c.RouterConfig.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(routerConfig))
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}
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if c.DNSConfig != nil {
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dnsApp, err := c.DNSConfig.Build()
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if err != nil {
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return nil, newError("failed to parse DNS config").Base(err)
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}
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config.App = append(config.App, serial.ToTypedMessage(dnsApp))
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}
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if c.Policy != nil {
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pc, err := c.Policy.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(pc))
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}
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if c.Reverse != nil {
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r, err := c.Reverse.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(r))
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}
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if c.FakeDNS != nil {
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r, err := c.FakeDNS.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(r))
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}
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if c.BrowserForwarder != nil {
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r, err := c.BrowserForwarder.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(r))
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}
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if c.Observatory != nil {
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r, err := c.Observatory.Build()
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if err != nil {
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return nil, err
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}
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config.App = append(config.App, serial.ToTypedMessage(r))
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}
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// Load Additional Services that do not have a json translator
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if msg, err := c.BuildServices(c.Services); err != nil {
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developererr := newError("Loading a V2Ray Features as a service is intended for developers only. " +
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"This is used for developers to prototype new features or for an advanced client to use special features in V2Ray," +
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" instead of allowing end user to enable it without special tool and knowledge.")
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sb := strings.Builder{}
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return nil, newError("Cannot load service").Base(developererr).Base(err).Base(newError(sb.String()))
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} else { // nolint: golint
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// Using a else here is required to keep msg in scope
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config.App = append(config.App, msg...)
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}
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var inbounds []InboundDetourConfig
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if c.InboundConfig != nil {
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inbounds = append(inbounds, *c.InboundConfig)
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}
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if len(c.InboundDetours) > 0 {
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inbounds = append(inbounds, c.InboundDetours...)
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}
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if len(c.InboundConfigs) > 0 {
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inbounds = append(inbounds, c.InboundConfigs...)
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}
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|
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// Backward compatibility.
|
|
if len(inbounds) > 0 && inbounds[0].PortRange == nil && c.Port > 0 {
|
|
inbounds[0].PortRange = &cfgcommon.PortRange{
|
|
From: uint32(c.Port),
|
|
To: uint32(c.Port),
|
|
}
|
|
}
|
|
|
|
for _, rawInboundConfig := range inbounds {
|
|
if c.Transport != nil {
|
|
if rawInboundConfig.StreamSetting == nil {
|
|
rawInboundConfig.StreamSetting = &StreamConfig{}
|
|
}
|
|
applyTransportConfig(rawInboundConfig.StreamSetting, c.Transport)
|
|
}
|
|
ic, err := rawInboundConfig.Build()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
config.Inbound = append(config.Inbound, ic)
|
|
}
|
|
|
|
var outbounds []OutboundDetourConfig
|
|
|
|
if c.OutboundConfig != nil {
|
|
outbounds = append(outbounds, *c.OutboundConfig)
|
|
}
|
|
|
|
if len(c.OutboundDetours) > 0 {
|
|
outbounds = append(outbounds, c.OutboundDetours...)
|
|
}
|
|
|
|
if len(c.OutboundConfigs) > 0 {
|
|
outbounds = append(outbounds, c.OutboundConfigs...)
|
|
}
|
|
|
|
for _, rawOutboundConfig := range outbounds {
|
|
if c.Transport != nil {
|
|
if rawOutboundConfig.StreamSetting == nil {
|
|
rawOutboundConfig.StreamSetting = &StreamConfig{}
|
|
}
|
|
applyTransportConfig(rawOutboundConfig.StreamSetting, c.Transport)
|
|
}
|
|
oc, err := rawOutboundConfig.Build()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
config.Outbound = append(config.Outbound, oc)
|
|
}
|
|
|
|
return config, nil
|
|
}
|