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v2fly/infra/conf/v4/v2ray.go
2022-01-02 15:16:23 +00:00

545 lines
16 KiB
Go

package v4
import (
"encoding/json"
"strings"
"google.golang.org/protobuf/types/known/anypb"
core "github.com/v2fly/v2ray-core/v5"
"github.com/v2fly/v2ray-core/v5/app/dispatcher"
"github.com/v2fly/v2ray-core/v5/app/proxyman"
"github.com/v2fly/v2ray-core/v5/app/stats"
"github.com/v2fly/v2ray-core/v5/common/serial"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon/loader"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon/muxcfg"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon/proxycfg"
"github.com/v2fly/v2ray-core/v5/infra/conf/cfgcommon/sniffer"
"github.com/v2fly/v2ray-core/v5/infra/conf/synthetic/dns"
"github.com/v2fly/v2ray-core/v5/infra/conf/synthetic/log"
"github.com/v2fly/v2ray-core/v5/infra/conf/synthetic/router"
)
var (
inboundConfigLoader = loader.NewJSONConfigLoader(loader.ConfigCreatorCache{
"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) },
}, "protocol", "settings")
outboundConfigLoader = loader.NewJSONConfigLoader(loader.ConfigCreatorCache{
"blackhole": func() interface{} { return new(BlackholeConfig) },
"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) },
"loopback": func() interface{} { return new(LoopbackConfig) },
}, "protocol", "settings")
)
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 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"`
PortRange *cfgcommon.PortRange `json:"port"`
ListenOn *cfgcommon.Address `json:"listen"`
Settings *json.RawMessage `json:"settings"`
Tag string `json:"tag"`
Allocation *InboundDetourAllocationConfig `json:"allocate"`
StreamSetting *StreamConfig `json:"streamSettings"`
DomainOverride *cfgcommon.StringList `json:"domainOverride"`
SniffingConfig *sniffer.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 PortRange
if c.PortRange == nil {
return nil, newError("Listen on AnyIP but no Port(s) set in InboundDetour.")
}
receiverSettings.PortRange = c.PortRange.Build()
} 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")
switch {
case listenIP:
// Listen on specific IP, must set PortRange
if c.PortRange == nil {
return nil, newError("Listen on specific ip without port in InboundDetour.")
}
// Listen on IP:Port
receiverSettings.PortRange = c.PortRange.Build()
case listenDS:
if c.PortRange != nil {
// Listen on Unix Domain Socket, PortRange should be nil
receiverSettings.PortRange = nil
}
default:
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 := int(c.PortRange.To - c.PortRange.From + 1)
if concurrency >= 0 && concurrency >= portRange {
return nil, newError("not enough ports. concurrency = ", concurrency, " ports: ", c.PortRange.From, " - ", c.PortRange.To)
}
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.(cfgcommon.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 *cfgcommon.Address `json:"sendThrough"`
Tag string `json:"tag"`
Settings *json.RawMessage `json:"settings"`
StreamSetting *StreamConfig `json:"streamSettings"`
ProxySettings *proxycfg.ProxyConfig `json:"proxySettings"`
MuxSettings *muxcfg.MuxConfig `json:"mux"`
}
// Build implements Buildable.
func (c *OutboundDetourConfig) Build() (*core.OutboundHandlerConfig, error) {
senderSettings := &proxyman.SenderConfig{}
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)
}
senderSettings.ProxySettings = ps
}
if c.MuxSettings != nil {
senderSettings.MultiplexSettings = c.MuxSettings.Build()
}
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.(cfgcommon.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 *log.LogConfig `json:"log"`
RouterConfig *router.RouterConfig `json:"routing"`
DNSConfig *dns.DNSConfig `json:"dns"`
InboundConfigs []InboundDetourConfig `json:"inbounds"`
OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
Transport *TransportConfig `json:"transport"`
Policy *PolicyConfig `json:"policy"`
API *APIConfig `json:"api"`
Stats *StatsConfig `json:"stats"`
Reverse *ReverseConfig `json:"reverse"`
FakeDNS *FakeDNSConfig `json:"fakeDns"`
BrowserForwarder *BrowserForwarderConfig `json:"browserForwarder"`
Observatory *ObservatoryConfig `json:"observatory"`
BurstObservatory *BurstObservatoryConfig `json:"burstObservatory"`
MultiObservatory *MultiObservatoryConfig `json:"multiObservatory"`
Services map[string]*json.RawMessage `json:"services"`
}
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
}
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
}
config := &core.Config{
App: []*anypb.Any{
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))
}
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 *anypb.Any
if c.LogConfig != nil {
logConfMsg = serial.ToTypedMessage(c.LogConfig.Build())
} else {
logConfMsg = serial.ToTypedMessage(log.DefaultLogConfig())
}
// let logger module be the first App to start,
// so that other modules could print log during initiating
config.App = append([]*anypb.Any{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(config.App, serial.ToTypedMessage(r))
}
if c.BrowserForwarder != nil {
r, err := c.BrowserForwarder.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
if c.Observatory != nil {
r, err := c.Observatory.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
if c.BurstObservatory != nil {
r, err := c.BurstObservatory.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
if c.MultiObservatory != nil {
r, err := c.MultiObservatory.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(r))
}
// Load Additional Services that do not have a json translator
if msg, err := c.BuildServices(c.Services); err != nil {
developererr := newError("Loading a V2Ray Features as a service is intended for developers only. " +
"This is used for developers to prototype new features or for an advanced client to use special features in V2Ray," +
" instead of allowing end user to enable it without special tool and knowledge.")
sb := strings.Builder{}
return nil, newError("Cannot load service").Base(developererr).Base(err).Base(newError(sb.String()))
} else { // nolint: revive
// Using a else here is required to keep msg in scope
config.App = append(config.App, msg...)
}
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].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
}