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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-11-04 17:27:23 -05:00
v2fly/infra/conf/v2ray.go
2019-02-10 19:04:11 +01:00

447 lines
12 KiB
Go

package conf
import (
"encoding/json"
"strings"
"v2ray.com/core"
"v2ray.com/core/app/dispatcher"
"v2ray.com/core/app/proxyman"
"v2ray.com/core/app/stats"
"v2ray.com/core/common/serial"
)
var (
inboundConfigLoader = NewJSONConfigLoader(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) },
"vmess": func() interface{} { return new(VMessInboundConfig) },
"mtproto": func() interface{} { return new(MTProtoServerConfig) },
}, "protocol", "settings")
outboundConfigLoader = NewJSONConfigLoader(ConfigCreatorCache{
"blackhole": func() interface{} { return new(BlackholeConfig) },
"freedom": func() interface{} { return new(FreedomConfig) },
"shadowsocks": func() interface{} { return new(ShadowsocksClientConfig) },
"vmess": func() interface{} { return new(VMessOutboundConfig) },
"socks": func() interface{} { return new(SocksClientConfig) },
"mtproto": func() interface{} { return new(MTProtoClientConfig) },
"dns": func() interface{} { return new(DnsOutboundConfig) },
}, "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 SniffingConfig struct {
Enabled bool `json:"enabled"`
DestOverride *StringList `json:"destOverride"`
}
func (c *SniffingConfig) Build() (*proxyman.SniffingConfig, error) {
var p []string
if c.DestOverride != nil {
for _, domainOverride := range *c.DestOverride {
switch strings.ToLower(domainOverride) {
case "http":
p = append(p, "http")
case "tls", "https", "ssl":
p = append(p, "tls")
default:
return nil, newError("unknown protocol: ", domainOverride)
}
}
}
return &proxyman.SniffingConfig{
Enabled: c.Enabled,
DestinationOverride: p,
}, nil
}
type MuxConfig struct {
Enabled bool `json:"enabled"`
Concurrency uint16 `json:"concurrency"`
}
func (c *MuxConfig) GetConcurrency() uint16 {
if c.Concurrency == 0 {
return 8
}
return c.Concurrency
}
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 *PortRange `json:"port"`
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.PortRange == nil {
return nil, newError("port range not specified in InboundDetour.")
}
receiverSettings.PortRange = c.PortRange.Build()
if c.ListenOn != nil {
if c.ListenOn.Family().IsDomain() {
return nil, newError("unable to listen on domain address: ", c.ListenOn.Domain())
}
receiverSettings.Listen = c.ListenOn.Build()
}
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.(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"`
}
// 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 && c.MuxSettings.Enabled {
senderSettings.MultiplexSettings = &proxyman.MultiplexingConfig{
Enabled: true,
Concurrency: uint32(c.MuxSettings.GetConcurrency()),
}
}
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{}
func (c *StatsConfig) Build() (*stats.Config, error) {
return &stats.Config{}, nil
}
type Config struct {
Port uint16 `json:"port"` // Port of this Point server. Deprecated.
LogConfig *LogConfig `json:"log"`
RouterConfig *RouterConfig `json:"routing"`
DNSConfig *DnsConfig `json:"dns"`
InboundConfigs []InboundDetourConfig `json:"inbounds"`
OutboundConfigs []OutboundDetourConfig `json:"outbounds"`
InboundConfig *InboundDetourConfig `json:"inbound"` // Deprecated.
OutboundConfig *OutboundDetourConfig `json:"outbound"` // Deprecated.
InboundDetours []InboundDetourConfig `json:"inboundDetour"` // Deprecated.
OutboundDetours []OutboundDetourConfig `json:"outboundDetour"` // Deprecated.
Transport *TransportConfig `json:"transport"`
Policy *PolicyConfig `json:"policy"`
Api *ApiConfig `json:"api"`
Stats *StatsConfig `json:"stats"`
Reverse *ReverseConfig `json:"reverse"`
}
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) {
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))
}
if c.Stats != nil {
statsConf, err := c.Stats.Build()
if err != nil {
return nil, err
}
config.App = append(config.App, serial.ToTypedMessage(statsConf))
}
if c.LogConfig != nil {
config.App = append(config.App, serial.ToTypedMessage(c.LogConfig.Build()))
} else {
config.App = append(config.App, serial.ToTypedMessage(DefaultLogConfig()))
}
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))
}
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 = &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
}