Xray-core/infra/conf/xray.go

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package conf
import (
"encoding/json"
"fmt"
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"log"
"os"
"strings"
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"github.com/xtls/xray-core/app/dispatcher"
"github.com/xtls/xray-core/app/proxyman"
"github.com/xtls/xray-core/app/stats"
"github.com/xtls/xray-core/common/serial"
core "github.com/xtls/xray-core/core"
"github.com/xtls/xray-core/transport/internet"
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)
var (
inboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"dokodemo-door": func() interface{} { return new(DokodemoConfig) },
"http": func() interface{} { return new(HTTPServerConfig) },
"shadowsocks": func() interface{} { return new(ShadowsocksServerConfig) },
"socks": func() interface{} { return new(SocksServerConfig) },
"vless": func() interface{} { return new(VLessInboundConfig) },
"vmess": func() interface{} { return new(VMessInboundConfig) },
"trojan": func() interface{} { return new(TrojanServerConfig) },
"wireguard": func() interface{} { return &WireGuardConfig{IsClient: false} },
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}, "protocol", "settings")
outboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
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"blackhole": func() interface{} { return new(BlackholeConfig) },
"loopback": func() interface{} { return new(LoopbackConfig) },
"freedom": func() interface{} { return new(FreedomConfig) },
"http": func() interface{} { return new(HTTPClientConfig) },
"shadowsocks": func() interface{} { return new(ShadowsocksClientConfig) },
"socks": func() interface{} { return new(SocksClientConfig) },
"vless": func() interface{} { return new(VLessOutboundConfig) },
"vmess": func() interface{} { return new(VMessOutboundConfig) },
"trojan": func() interface{} { return new(TrojanClientConfig) },
"dns": func() interface{} { return new(DNSOutboundConfig) },
"wireguard": func() interface{} { return &WireGuardConfig{IsClient: true} },
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}, "protocol", "settings")
ctllog = log.New(os.Stderr, "xctl> ", 0)
)
func toProtocolList(s []string) ([]proxyman.KnownProtocols, error) {
kp := make([]proxyman.KnownProtocols, 0, 8)
for _, p := range s {
switch strings.ToLower(p) {
case "http":
kp = append(kp, proxyman.KnownProtocols_HTTP)
case "https", "tls", "ssl":
kp = append(kp, proxyman.KnownProtocols_TLS)
default:
return nil, newError("Unknown protocol: ", p)
}
}
return kp, nil
}
type SniffingConfig struct {
Enabled bool `json:"enabled"`
DestOverride *StringList `json:"destOverride"`
DomainsExcluded *StringList `json:"domainsExcluded"`
MetadataOnly bool `json:"metadataOnly"`
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RouteOnly bool `json:"routeOnly"`
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}
// Build implements Buildable.
func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) {
var p []string
if c.DestOverride != nil {
for _, protocol := range *c.DestOverride {
switch strings.ToLower(protocol) {
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case "http":
p = append(p, "http")
case "tls", "https", "ssl":
p = append(p, "tls")
case "quic":
p = append(p, "quic")
case "fakedns":
p = append(p, "fakedns")
case "fakedns+others":
p = append(p, "fakedns+others")
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default:
return nil, newError("unknown protocol: ", protocol)
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}
}
}
var d []string
if c.DomainsExcluded != nil {
for _, domain := range *c.DomainsExcluded {
d = append(d, strings.ToLower(domain))
}
}
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return &proxyman.SniffingConfig{
Enabled: c.Enabled,
DestinationOverride: p,
DomainsExcluded: d,
MetadataOnly: c.MetadataOnly,
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RouteOnly: c.RouteOnly,
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}, nil
}
type MuxConfig struct {
Enabled bool `json:"enabled"`
Concurrency int16 `json:"concurrency"`
XudpConcurrency int16 `json:"xudpConcurrency"`
XudpProxyUDP443 string `json:"xudpProxyUDP443"`
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}
// Build creates MultiplexingConfig, Concurrency < 0 completely disables mux.
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func (m *MuxConfig) Build() (*proxyman.MultiplexingConfig, error) {
switch m.XudpProxyUDP443 {
case "":
m.XudpProxyUDP443 = "reject"
case "reject", "allow", "skip":
default:
return nil, newError(`unknown "xudpProxyUDP443": `, m.XudpProxyUDP443)
}
return &proxyman.MultiplexingConfig{
Enabled: m.Enabled,
Concurrency: int32(m.Concurrency),
XudpConcurrency: int32(m.XudpConcurrency),
XudpProxyUDP443: m.XudpProxyUDP443,
}, nil
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}
type InboundDetourAllocationConfig struct {
Strategy string `json:"strategy"`
Concurrency *uint32 `json:"concurrency"`
RefreshMin *uint32 `json:"refresh"`
}
// Build implements Buildable.
func (c *InboundDetourAllocationConfig) Build() (*proxyman.AllocationStrategy, error) {
config := new(proxyman.AllocationStrategy)
switch strings.ToLower(c.Strategy) {
case "always":
config.Type = proxyman.AllocationStrategy_Always
case "random":
config.Type = proxyman.AllocationStrategy_Random
case "external":
config.Type = proxyman.AllocationStrategy_External
default:
return nil, newError("unknown allocation strategy: ", c.Strategy)
}
if c.Concurrency != nil {
config.Concurrency = &proxyman.AllocationStrategy_AllocationStrategyConcurrency{
Value: *c.Concurrency,
}
}
if c.RefreshMin != nil {
config.Refresh = &proxyman.AllocationStrategy_AllocationStrategyRefresh{
Value: *c.RefreshMin,
}
}
return config, nil
}
type InboundDetourConfig struct {
Protocol string `json:"protocol"`
PortList *PortList `json:"port"`
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ListenOn *Address `json:"listen"`
Settings *json.RawMessage `json:"settings"`
Tag string `json:"tag"`
Allocation *InboundDetourAllocationConfig `json:"allocate"`
StreamSetting *StreamConfig `json:"streamSettings"`
DomainOverride *StringList `json:"domainOverride"`
SniffingConfig *SniffingConfig `json:"sniffing"`
}
// Build implements Buildable.
func (c *InboundDetourConfig) Build() (*core.InboundHandlerConfig, error) {
receiverSettings := &proxyman.ReceiverConfig{}
if c.ListenOn == nil {
// Listen on anyip, must set PortList
if c.PortList == nil {
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return nil, newError("Listen on AnyIP but no Port(s) set in InboundDetour.")
}
receiverSettings.PortList = c.PortList.Build()
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} else {
// Listen on specific IP or Unix Domain Socket
receiverSettings.Listen = c.ListenOn.Build()
listenDS := c.ListenOn.Family().IsDomain() && (c.ListenOn.Domain()[0] == '/' || c.ListenOn.Domain()[0] == '@')
listenIP := c.ListenOn.Family().IsIP() || (c.ListenOn.Family().IsDomain() && c.ListenOn.Domain() == "localhost")
if listenIP {
// Listen on specific IP, must set PortList
if c.PortList == nil {
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return nil, newError("Listen on specific ip without port in InboundDetour.")
}
// Listen on IP:Port
receiverSettings.PortList = c.PortList.Build()
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} else if listenDS {
if c.PortList != nil {
// Listen on Unix Domain Socket, PortList should be nil
receiverSettings.PortList = nil
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}
} else {
return nil, newError("unable to listen on domain address: ", c.ListenOn.Domain())
}
}
if c.Allocation != nil {
concurrency := -1
if c.Allocation.Concurrency != nil && c.Allocation.Strategy == "random" {
concurrency = int(*c.Allocation.Concurrency)
}
portRange := 0
for _, pr := range c.PortList.Range {
portRange += int(pr.To - pr.From + 1)
}
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if concurrency >= 0 && concurrency >= portRange {
var ports strings.Builder
for _, pr := range c.PortList.Range {
fmt.Fprintf(&ports, "%d-%d ", pr.From, pr.To)
}
return nil, newError("not enough ports. concurrency = ", concurrency, " ports: ", ports.String())
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}
as, err := c.Allocation.Build()
if err != nil {
return nil, err
}
receiverSettings.AllocationStrategy = as
}
if c.StreamSetting != nil {
ss, err := c.StreamSetting.Build()
if err != nil {
return nil, err
}
receiverSettings.StreamSettings = ss
}
if c.SniffingConfig != nil {
s, err := c.SniffingConfig.Build()
if err != nil {
return nil, newError("failed to build sniffing config").Base(err)
}
receiverSettings.SniffingSettings = s
}
if c.DomainOverride != nil {
kp, err := toProtocolList(*c.DomainOverride)
if err != nil {
return nil, newError("failed to parse inbound detour config").Base(err)
}
receiverSettings.DomainOverride = kp
}
settings := []byte("{}")
if c.Settings != nil {
settings = ([]byte)(*c.Settings)
}
rawConfig, err := inboundConfigLoader.LoadWithID(settings, c.Protocol)
if err != nil {
return nil, newError("failed to load inbound detour config.").Base(err)
}
if dokodemoConfig, ok := rawConfig.(*DokodemoConfig); ok {
receiverSettings.ReceiveOriginalDestination = dokodemoConfig.Redirect
}
ts, err := rawConfig.(Buildable).Build()
if err != nil {
return nil, err
}
return &core.InboundHandlerConfig{
Tag: c.Tag,
ReceiverSettings: serial.ToTypedMessage(receiverSettings),
ProxySettings: serial.ToTypedMessage(ts),
}, nil
}
type OutboundDetourConfig struct {
Protocol string `json:"protocol"`
SendThrough *Address `json:"sendThrough"`
Tag string `json:"tag"`
Settings *json.RawMessage `json:"settings"`
StreamSetting *StreamConfig `json:"streamSettings"`
ProxySettings *ProxyConfig `json:"proxySettings"`
MuxSettings *MuxConfig `json:"mux"`
}
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func (c *OutboundDetourConfig) checkChainProxyConfig() error {
if c.StreamSetting == nil || c.ProxySettings == nil || c.StreamSetting.SocketSettings == nil {
return nil
}
if len(c.ProxySettings.Tag) > 0 && len(c.StreamSetting.SocketSettings.DialerProxy) > 0 {
return newError("proxySettings.tag is conflicted with sockopt.dialerProxy").AtWarning()
}
return nil
}
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// Build implements Buildable.
func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
senderSettings := &proxyman.SenderConfig{}
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if err := c.checkChainProxyConfig(); err != nil {
return nil, err
}
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if c.SendThrough != nil {
address := c.SendThrough
if address.Family().IsDomain() {
return nil, newError("unable to send through: " + address.String())
}
senderSettings.Via = address.Build()
}
if c.StreamSetting != nil {
ss, err := c.StreamSetting.Build()
if err != nil {
return nil, err
}
senderSettings.StreamSettings = ss
}
if c.ProxySettings != nil {
ps, err := c.ProxySettings.Build()
if err != nil {
return nil, newError("invalid outbound detour proxy settings.").Base(err)
}
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if ps.TransportLayerProxy {
if senderSettings.StreamSettings != nil {
if senderSettings.StreamSettings.SocketSettings != nil {
senderSettings.StreamSettings.SocketSettings.DialerProxy = ps.Tag
} else {
senderSettings.StreamSettings.SocketSettings = &internet.SocketConfig{DialerProxy: ps.Tag}
}
} else {
senderSettings.StreamSettings = &internet.StreamConfig{SocketSettings: &internet.SocketConfig{DialerProxy: ps.Tag}}
}
ps = nil
}
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senderSettings.ProxySettings = ps
}
if c.MuxSettings != nil {
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ms, err := c.MuxSettings.Build()
if err != nil {
return nil, newError("failed to build Mux config.").Base(err)
}
senderSettings.MultiplexSettings = ms
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}
settings := []byte("{}")
if c.Settings != nil {
settings = ([]byte)(*c.Settings)
}
rawConfig, err := outboundConfigLoader.LoadWithID(settings, c.Protocol)
if err != nil {
return nil, newError("failed to parse to outbound detour config.").Base(err)
}
ts, err := rawConfig.(Buildable).Build()
if err != nil {
return nil, err
}
return &core.OutboundHandlerConfig{
SenderSettings: serial.ToTypedMessage(senderSettings),
Tag: c.Tag,
ProxySettings: serial.ToTypedMessage(ts),
}, nil
}
type StatsConfig struct{}
// Build implements Buildable.
func (c *StatsConfig) Build() (*stats.Config, error) {
return &stats.Config{}, nil
}
type Config struct {
// Port of this Point server.
// Deprecated: Port exists for historical compatibility
// and should not be used.
Port uint16 `json:"port"`
// Deprecated: InboundConfig exists for historical compatibility
// and should not be used.
InboundConfig *InboundDetourConfig `json:"inbound"`
// Deprecated: OutboundConfig exists for historical compatibility
// and should not be used.
OutboundConfig *OutboundDetourConfig `json:"outbound"`
// Deprecated: InboundDetours exists for historical compatibility
// and should not be used.
InboundDetours []InboundDetourConfig `json:"inboundDetour"`
// Deprecated: OutboundDetours exists for historical compatibility
// and should not be used.
OutboundDetours []OutboundDetourConfig `json:"outboundDetour"`
LogConfig *LogConfig `json:"log"`
RouterConfig *RouterConfig `json:"routing"`
DNSConfig *DNSConfig `json:"dns"`
InboundConfigs []InboundDetourConfig `json:"inbounds"`
OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
Transport *TransportConfig `json:"transport"`
Policy *PolicyConfig `json:"policy"`
API *APIConfig `json:"api"`
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Metrics *MetricsConfig `json:"metrics"`
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Stats *StatsConfig `json:"stats"`
Reverse *ReverseConfig `json:"reverse"`
FakeDNS *FakeDNSConfig `json:"fakeDns"`
Observatory *ObservatoryConfig `json:"observatory"`
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}
func (c *Config) findInboundTag(tag string) int {
found := -1
for idx, ib := range c.InboundConfigs {
if ib.Tag == tag {
found = idx
break
}
}
return found
}
func (c *Config) findOutboundTag(tag string) int {
found := -1
for idx, ob := range c.OutboundConfigs {
if ob.Tag == tag {
found = idx
break
}
}
return found
}
// Override method accepts another Config overrides the current attribute
func (c *Config) Override(o *Config, fn string) {
// only process the non-deprecated members
if o.LogConfig != nil {
c.LogConfig = o.LogConfig
}
if o.RouterConfig != nil {
c.RouterConfig = o.RouterConfig
}
if o.DNSConfig != nil {
c.DNSConfig = o.DNSConfig
}
if o.Transport != nil {
c.Transport = o.Transport
}
if o.Policy != nil {
c.Policy = o.Policy
}
if o.API != nil {
c.API = o.API
}
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if o.Metrics != nil {
c.Metrics = o.Metrics
}
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if o.Stats != nil {
c.Stats = o.Stats
}
if o.Reverse != nil {
c.Reverse = o.Reverse
}
if o.FakeDNS != nil {
c.FakeDNS = o.FakeDNS
}
if o.Observatory != nil {
c.Observatory = o.Observatory
}
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// deprecated attrs... keep them for now
if o.InboundConfig != nil {
c.InboundConfig = o.InboundConfig
}
if o.OutboundConfig != nil {
c.OutboundConfig = o.OutboundConfig
}
if o.InboundDetours != nil {
c.InboundDetours = o.InboundDetours
}
if o.OutboundDetours != nil {
c.OutboundDetours = o.OutboundDetours
}
// deprecated attrs
// update the Inbound in slice if the only one in override config has same tag
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if len(o.InboundConfigs) > 0 {
for i := range o.InboundConfigs {
if idx := c.findInboundTag(o.InboundConfigs[i].Tag); idx > -1 {
c.InboundConfigs[idx] = o.InboundConfigs[i]
newError("[", fn, "] updated inbound with tag: ", o.InboundConfigs[i].Tag).AtInfo().WriteToLog()
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} else {
c.InboundConfigs = append(c.InboundConfigs, o.InboundConfigs[i])
newError("[", fn, "] appended inbound with tag: ", o.InboundConfigs[i].Tag).AtInfo().WriteToLog()
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}
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}
}
// update the Outbound in slice if the only one in override config has same tag
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if len(o.OutboundConfigs) > 0 {
outboundPrepends := []OutboundDetourConfig{}
for i := range o.OutboundConfigs {
if idx := c.findOutboundTag(o.OutboundConfigs[i].Tag); idx > -1 {
c.OutboundConfigs[idx] = o.OutboundConfigs[i]
newError("[", fn, "] updated outbound with tag: ", o.OutboundConfigs[i].Tag).AtInfo().WriteToLog()
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} else {
if strings.Contains(strings.ToLower(fn), "tail") {
c.OutboundConfigs = append(c.OutboundConfigs, o.OutboundConfigs[i])
newError("[", fn, "] appended outbound with tag: ", o.OutboundConfigs[i].Tag).AtInfo().WriteToLog()
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} else {
outboundPrepends = append(outboundPrepends, o.OutboundConfigs[i])
newError("[", fn, "] prepend outbound with tag: ", o.OutboundConfigs[i].Tag).AtInfo().WriteToLog()
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}
}
}
if !strings.Contains(strings.ToLower(fn), "tail") && len(outboundPrepends) > 0 {
c.OutboundConfigs = append(outboundPrepends, c.OutboundConfigs...)
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}
}
}
func applyTransportConfig(s *StreamConfig, t *TransportConfig) {
if s.TCPSettings == nil {
s.TCPSettings = t.TCPConfig
}
if s.KCPSettings == nil {
s.KCPSettings = t.KCPConfig
}
if s.WSSettings == nil {
s.WSSettings = t.WSConfig
}
if s.HTTPSettings == nil {
s.HTTPSettings = t.HTTPConfig
}
if s.DSSettings == nil {
s.DSSettings = t.DSConfig
}
}
// Build implements Buildable.
func (c *Config) Build() (*core.Config, error) {
if err := PostProcessConfigureFile(c); err != nil {
return nil, err
}
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config := &core.Config{
App: []*serial.TypedMessage{
serial.ToTypedMessage(&dispatcher.Config{}),
serial.ToTypedMessage(&proxyman.InboundConfig{}),
serial.ToTypedMessage(&proxyman.OutboundConfig{}),
},
}
if c.API != nil {
apiConf, err := c.API.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(apiConf))
}
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if c.Metrics != nil {
metricsConf, err := c.Metrics.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(metricsConf))
}
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if c.Stats != nil {
statsConf, err := c.Stats.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(statsConf))
}
var logConfMsg *serial.TypedMessage
if c.LogConfig != nil {
logConfMsg = serial.ToTypedMessage(c.LogConfig.Build())
} else {
logConfMsg = serial.ToTypedMessage(DefaultLogConfig())
}
// let logger module be the first App to start,
// so that other modules could print log during initiating
config.App = append([]*serial.TypedMessage{logConfMsg}, config.App...)
if c.RouterConfig != nil {
routerConfig, err := c.RouterConfig.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(routerConfig))
}
if c.DNSConfig != nil {
dnsApp, err := c.DNSConfig.Build()
if err != nil {
return nil, newError("failed to parse DNS config").Base(err)
}
config.App = append(config.App, serial.ToTypedMessage(dnsApp))
}
if c.Policy != nil {
pc, err := c.Policy.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(pc))
}
if c.Reverse != nil {
r, err := c.Reverse.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
if c.FakeDNS != nil {
r, err := c.FakeDNS.Build()
if err != nil {
return nil, err
}
config.App = append([]*serial.TypedMessage{serial.ToTypedMessage(r)}, config.App...)
}
if c.Observatory != nil {
r, err := c.Observatory.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
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var inbounds []InboundDetourConfig
if c.InboundConfig != nil {
inbounds = append(inbounds, *c.InboundConfig)
}
if len(c.InboundDetours) > 0 {
inbounds = append(inbounds, c.InboundDetours...)
}
if len(c.InboundConfigs) > 0 {
inbounds = append(inbounds, c.InboundConfigs...)
}
// Backward compatibility.
if len(inbounds) > 0 && inbounds[0].PortList == nil && c.Port > 0 {
inbounds[0].PortList = &PortList{[]PortRange{{
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From: uint32(c.Port),
To: uint32(c.Port),
}}}
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}
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
}