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config.go
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config.go
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package config
import (
"container/list"
"errors"
"fmt"
"net"
"net/netip"
"net/url"
"os"
"path"
"regexp"
"strings"
"time"
"github.com/Dreamacro/clash/adapter"
"github.com/Dreamacro/clash/adapter/outbound"
"github.com/Dreamacro/clash/adapter/outboundgroup"
"github.com/Dreamacro/clash/adapter/provider"
N "github.com/Dreamacro/clash/common/net"
"github.com/Dreamacro/clash/common/utils"
"github.com/Dreamacro/clash/component/auth"
"github.com/Dreamacro/clash/component/fakeip"
"github.com/Dreamacro/clash/component/geodata"
"github.com/Dreamacro/clash/component/geodata/router"
P "github.com/Dreamacro/clash/component/process"
"github.com/Dreamacro/clash/component/resolver"
SNIFF "github.com/Dreamacro/clash/component/sniffer"
tlsC "github.com/Dreamacro/clash/component/tls"
"github.com/Dreamacro/clash/component/trie"
C "github.com/Dreamacro/clash/constant"
providerTypes "github.com/Dreamacro/clash/constant/provider"
snifferTypes "github.com/Dreamacro/clash/constant/sniffer"
"github.com/Dreamacro/clash/dns"
L "github.com/Dreamacro/clash/listener"
LC "github.com/Dreamacro/clash/listener/config"
"github.com/Dreamacro/clash/log"
R "github.com/Dreamacro/clash/rules"
RP "github.com/Dreamacro/clash/rules/provider"
T "github.com/Dreamacro/clash/tunnel"
"gopkg.in/yaml.v3"
)
// General config
type General struct {
Inbound
Controller
Mode T.TunnelMode `json:"mode"`
UnifiedDelay bool
LogLevel log.LogLevel `json:"log-level"`
IPv6 bool `json:"ipv6"`
Interface string `json:"interface-name"`
RoutingMark int `json:"-"`
GeoXUrl GeoXUrl `json:"geox-url"`
GeodataMode bool `json:"geodata-mode"`
GeodataLoader string `json:"geodata-loader"`
TCPConcurrent bool `json:"tcp-concurrent"`
FindProcessMode P.FindProcessMode `json:"find-process-mode"`
Sniffing bool `json:"sniffing"`
EBpf EBpf `json:"-"`
GlobalClientFingerprint string `json:"global-client-fingerprint"`
GlobalUA string `json:"global-ua"`
}
// Inbound config
type Inbound struct {
Port int `json:"port"`
SocksPort int `json:"socks-port"`
RedirPort int `json:"redir-port"`
TProxyPort int `json:"tproxy-port"`
MixedPort int `json:"mixed-port"`
Tun LC.Tun `json:"tun"`
TuicServer LC.TuicServer `json:"tuic-server"`
ShadowSocksConfig string `json:"ss-config"`
VmessConfig string `json:"vmess-config"`
Authentication []string `json:"authentication"`
SkipAuthPrefixes []netip.Prefix `json:"skip-auth-prefixes"`
AllowLan bool `json:"allow-lan"`
BindAddress string `json:"bind-address"`
InboundTfo bool `json:"inbound-tfo"`
InboundMPTCP bool `json:"inbound-mptcp"`
}
// Controller config
type Controller struct {
ExternalController string `json:"-"`
ExternalControllerTLS string `json:"-"`
ExternalUI string `json:"-"`
Secret string `json:"-"`
}
// NTP config
type NTP struct {
Enable bool `yaml:"enable"`
Server string `yaml:"server"`
Port int `yaml:"port"`
Interval int `yaml:"interval"`
DialerProxy string `yaml:"dialer-proxy"`
WriteToSystem bool `yaml:"write-to-system"`
}
// DNS config
type DNS struct {
Enable bool `yaml:"enable"`
PreferH3 bool `yaml:"prefer-h3"`
IPv6 bool `yaml:"ipv6"`
IPv6Timeout uint `yaml:"ipv6-timeout"`
NameServer []dns.NameServer `yaml:"nameserver"`
Fallback []dns.NameServer `yaml:"fallback"`
FallbackFilter FallbackFilter `yaml:"fallback-filter"`
Listen string `yaml:"listen"`
EnhancedMode C.DNSMode `yaml:"enhanced-mode"`
DefaultNameserver []dns.NameServer `yaml:"default-nameserver"`
FakeIPRange *fakeip.Pool
Hosts *trie.DomainTrie[resolver.HostValue]
NameServerPolicy map[string][]dns.NameServer
ProxyServerNameserver []dns.NameServer
}
// FallbackFilter config
type FallbackFilter struct {
GeoIP bool `yaml:"geoip"`
GeoIPCode string `yaml:"geoip-code"`
IPCIDR []netip.Prefix `yaml:"ipcidr"`
Domain []string `yaml:"domain"`
GeoSite []*router.DomainMatcher `yaml:"geosite"`
}
// Profile config
type Profile struct {
StoreSelected bool `yaml:"store-selected"`
StoreFakeIP bool `yaml:"store-fake-ip"`
}
type TLS struct {
Certificate string `yaml:"certificate"`
PrivateKey string `yaml:"private-key"`
CustomTrustCert []string `yaml:"custom-certifactes"`
}
// IPTables config
type IPTables struct {
Enable bool `yaml:"enable" json:"enable"`
InboundInterface string `yaml:"inbound-interface" json:"inbound-interface"`
Bypass []string `yaml:"bypass" json:"bypass"`
}
type Sniffer struct {
Enable bool
Sniffers map[snifferTypes.Type]SNIFF.SnifferConfig
ForceDomain *trie.DomainSet
SkipDomain *trie.DomainSet
ForceDnsMapping bool
ParsePureIp bool
}
// Experimental config
type Experimental struct {
Fingerprints []string `yaml:"fingerprints"`
QUICGoDisableGSO bool `yaml:"quic-go-disable-gso"`
QUICGoDisableECN bool `yaml:"quic-go-disable-ecn"`
}
// Config is clash config manager
type Config struct {
General *General
IPTables *IPTables
NTP *NTP
DNS *DNS
Experimental *Experimental
Hosts *trie.DomainTrie[resolver.HostValue]
Profile *Profile
Rules []C.Rule
SubRules map[string][]C.Rule
Users []auth.AuthUser
Proxies map[string]C.Proxy
Listeners map[string]C.InboundListener
Providers map[string]providerTypes.ProxyProvider
RuleProviders map[string]providerTypes.RuleProvider
Tunnels []LC.Tunnel
Sniffer *Sniffer
TLS *TLS
}
type RawNTP struct {
Enable bool `yaml:"enable"`
Server string `yaml:"server"`
ServerPort int `yaml:"server-port"`
Interval int `yaml:"interval"`
DialerProxy string `yaml:"dialer-proxy"`
WriteToSystem bool `yaml:"write-to-system"`
}
type RawDNS struct {
Enable bool `yaml:"enable"`
PreferH3 bool `yaml:"prefer-h3"`
IPv6 bool `yaml:"ipv6"`
IPv6Timeout uint `yaml:"ipv6-timeout"`
UseHosts bool `yaml:"use-hosts"`
NameServer []string `yaml:"nameserver"`
Fallback []string `yaml:"fallback"`
FallbackFilter RawFallbackFilter `yaml:"fallback-filter"`
Listen string `yaml:"listen"`
EnhancedMode C.DNSMode `yaml:"enhanced-mode"`
FakeIPRange string `yaml:"fake-ip-range"`
FakeIPFilter []string `yaml:"fake-ip-filter"`
DefaultNameserver []string `yaml:"default-nameserver"`
NameServerPolicy map[string]any `yaml:"nameserver-policy"`
ProxyServerNameserver []string `yaml:"proxy-server-nameserver"`
}
type RawFallbackFilter struct {
GeoIP bool `yaml:"geoip"`
GeoIPCode string `yaml:"geoip-code"`
IPCIDR []string `yaml:"ipcidr"`
Domain []string `yaml:"domain"`
GeoSite []string `yaml:"geosite"`
}
type RawTun struct {
Enable bool `yaml:"enable" json:"enable"`
Device string `yaml:"device" json:"device"`
Stack C.TUNStack `yaml:"stack" json:"stack"`
DNSHijack []string `yaml:"dns-hijack" json:"dns-hijack"`
AutoRoute bool `yaml:"auto-route" json:"auto-route"`
AutoDetectInterface bool `yaml:"auto-detect-interface"`
RedirectToTun []string `yaml:"-" json:"-"`
MTU uint32 `yaml:"mtu" json:"mtu,omitempty"`
//Inet4Address []netip.Prefix `yaml:"inet4-address" json:"inet4_address,omitempty"`
Inet6Address []netip.Prefix `yaml:"inet6-address" json:"inet6_address,omitempty"`
StrictRoute bool `yaml:"strict-route" json:"strict_route,omitempty"`
Inet4RouteAddress []netip.Prefix `yaml:"inet4-route-address" json:"inet4_route_address,omitempty"`
Inet6RouteAddress []netip.Prefix `yaml:"inet6-route-address" json:"inet6_route_address,omitempty"`
Inet4RouteExcludeAddress []netip.Prefix `yaml:"inet4-route-exclude-address" json:"inet4_route_exclude_address,omitempty"`
Inet6RouteExcludeAddress []netip.Prefix `yaml:"inet6-route-exclude-address" json:"inet6_route_exclude_address,omitempty"`
IncludeUID []uint32 `yaml:"include-uid" json:"include_uid,omitempty"`
IncludeUIDRange []string `yaml:"include-uid-range" json:"include_uid_range,omitempty"`
ExcludeUID []uint32 `yaml:"exclude-uid" json:"exclude_uid,omitempty"`
ExcludeUIDRange []string `yaml:"exclude-uid-range" json:"exclude_uid_range,omitempty"`
IncludeAndroidUser []int `yaml:"include-android-user" json:"include_android_user,omitempty"`
IncludePackage []string `yaml:"include-package" json:"include_package,omitempty"`
ExcludePackage []string `yaml:"exclude-package" json:"exclude_package,omitempty"`
EndpointIndependentNat bool `yaml:"endpoint-independent-nat" json:"endpoint_independent_nat,omitempty"`
UDPTimeout int64 `yaml:"udp-timeout" json:"udp_timeout,omitempty"`
FileDescriptor int `yaml:"file-descriptor" json:"file-descriptor"`
}
type RawTuicServer struct {
Enable bool `yaml:"enable" json:"enable"`
Listen string `yaml:"listen" json:"listen"`
Token []string `yaml:"token" json:"token"`
Users map[string]string `yaml:"users" json:"users,omitempty"`
Certificate string `yaml:"certificate" json:"certificate"`
PrivateKey string `yaml:"private-key" json:"private-key"`
CongestionController string `yaml:"congestion-controller" json:"congestion-controller,omitempty"`
MaxIdleTime int `yaml:"max-idle-time" json:"max-idle-time,omitempty"`
AuthenticationTimeout int `yaml:"authentication-timeout" json:"authentication-timeout,omitempty"`
ALPN []string `yaml:"alpn" json:"alpn,omitempty"`
MaxUdpRelayPacketSize int `yaml:"max-udp-relay-packet-size" json:"max-udp-relay-packet-size,omitempty"`
CWND int `yaml:"cwnd" json:"cwnd,omitempty"`
}
type RawConfig struct {
Port int `yaml:"port"`
SocksPort int `yaml:"socks-port"`
RedirPort int `yaml:"redir-port"`
TProxyPort int `yaml:"tproxy-port"`
MixedPort int `yaml:"mixed-port"`
ShadowSocksConfig string `yaml:"ss-config"`
VmessConfig string `yaml:"vmess-config"`
InboundTfo bool `yaml:"inbound-tfo"`
InboundMPTCP bool `yaml:"inbound-mptcp"`
Authentication []string `yaml:"authentication"`
SkipAuthPrefixes []netip.Prefix `yaml:"skip-auth-prefixes"`
AllowLan bool `yaml:"allow-lan"`
BindAddress string `yaml:"bind-address"`
Mode T.TunnelMode `yaml:"mode"`
UnifiedDelay bool `yaml:"unified-delay"`
LogLevel log.LogLevel `yaml:"log-level"`
IPv6 bool `yaml:"ipv6"`
ExternalController string `yaml:"external-controller"`
ExternalControllerTLS string `yaml:"external-controller-tls"`
ExternalUI string `yaml:"external-ui"`
ExternalUIURL string `yaml:"external-ui-url" json:"external-ui-url"`
ExternalUIName string `yaml:"external-ui-name" json:"external-ui-name"`
Secret string `yaml:"secret"`
Interface string `yaml:"interface-name"`
RoutingMark int `yaml:"routing-mark"`
Tunnels []LC.Tunnel `yaml:"tunnels"`
GeodataMode bool `yaml:"geodata-mode"`
GeodataLoader string `yaml:"geodata-loader"`
TCPConcurrent bool `yaml:"tcp-concurrent" json:"tcp-concurrent"`
FindProcessMode P.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
GlobalClientFingerprint string `yaml:"global-client-fingerprint"`
GlobalUA string `yaml:"global-ua"`
KeepAliveInterval int `yaml:"keep-alive-interval"`
Sniffer RawSniffer `yaml:"sniffer"`
ProxyProvider map[string]map[string]any `yaml:"proxy-providers"`
RuleProvider map[string]map[string]any `yaml:"rule-providers"`
Hosts map[string]any `yaml:"hosts"`
NTP RawNTP `yaml:"ntp"`
DNS RawDNS `yaml:"dns"`
Tun RawTun `yaml:"tun"`
TuicServer RawTuicServer `yaml:"tuic-server"`
EBpf EBpf `yaml:"ebpf"`
IPTables IPTables `yaml:"iptables"`
Experimental Experimental `yaml:"experimental"`
Profile Profile `yaml:"profile"`
GeoXUrl GeoXUrl `yaml:"geox-url"`
Proxy []map[string]any `yaml:"proxies"`
ProxyGroup []map[string]any `yaml:"proxy-groups"`
Rule []string `yaml:"rules"`
SubRules map[string][]string `yaml:"sub-rules"`
RawTLS TLS `yaml:"tls"`
Listeners []map[string]any `yaml:"listeners"`
}
type GeoXUrl struct {
GeoIp string `yaml:"geoip" json:"geoip"`
Mmdb string `yaml:"mmdb" json:"mmdb"`
GeoSite string `yaml:"geosite" json:"geosite"`
}
type RawSniffer struct {
Enable bool `yaml:"enable" json:"enable"`
OverrideDest bool `yaml:"override-destination" json:"override-destination"`
Sniffing []string `yaml:"sniffing" json:"sniffing"`
ForceDomain []string `yaml:"force-domain" json:"force-domain"`
SkipDomain []string `yaml:"skip-domain" json:"skip-domain"`
Ports []string `yaml:"port-whitelist" json:"port-whitelist"`
ForceDnsMapping bool `yaml:"force-dns-mapping" json:"force-dns-mapping"`
ParsePureIp bool `yaml:"parse-pure-ip" json:"parse-pure-ip"`
Sniff map[string]RawSniffingConfig `yaml:"sniff" json:"sniff"`
}
type RawSniffingConfig struct {
Ports []string `yaml:"ports" json:"ports"`
OverrideDest *bool `yaml:"override-destination" json:"override-destination"`
}
// EBpf config
type EBpf struct {
RedirectToTun []string `yaml:"redirect-to-tun" json:"redirect-to-tun"`
AutoRedir []string `yaml:"auto-redir" json:"auto-redir"`
}
var (
GroupsList = list.New()
ProxiesList = list.New()
ParsingProxiesCallback func(groupsList *list.List, proxiesList *list.List)
)
// Parse config
func Parse(buf []byte) (*Config, error) {
rawCfg, err := UnmarshalRawConfig(buf)
if err != nil {
return nil, err
}
return ParseRawConfig(rawCfg)
}
func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
// config with default value
rawCfg := &RawConfig{
AllowLan: false,
BindAddress: "*",
IPv6: true,
Mode: T.Rule,
GeodataMode: C.GeodataMode,
GeodataLoader: "memconservative",
UnifiedDelay: false,
Authentication: []string{},
LogLevel: log.INFO,
Hosts: map[string]any{},
Rule: []string{},
Proxy: []map[string]any{},
ProxyGroup: []map[string]any{},
TCPConcurrent: false,
FindProcessMode: P.FindProcessStrict,
GlobalUA: "clash.meta",
Tun: RawTun{
Enable: false,
Device: "",
Stack: C.TunGvisor,
DNSHijack: []string{"0.0.0.0:53"}, // default hijack all dns query
AutoRoute: true,
AutoDetectInterface: true,
Inet6Address: []netip.Prefix{netip.MustParsePrefix("fdfe:dcba:9876::1/126")},
},
TuicServer: RawTuicServer{
Enable: false,
Token: nil,
Users: nil,
Certificate: "",
PrivateKey: "",
Listen: "",
CongestionController: "",
MaxIdleTime: 15000,
AuthenticationTimeout: 1000,
ALPN: []string{"h3"},
MaxUdpRelayPacketSize: 1500,
},
EBpf: EBpf{
RedirectToTun: []string{},
AutoRedir: []string{},
},
IPTables: IPTables{
Enable: false,
InboundInterface: "lo",
Bypass: []string{},
},
NTP: RawNTP{
Enable: false,
WriteToSystem: false,
Server: "time.apple.com",
ServerPort: 123,
Interval: 30,
},
DNS: RawDNS{
Enable: false,
IPv6: false,
UseHosts: true,
IPv6Timeout: 100,
EnhancedMode: C.DNSMapping,
FakeIPRange: "198.18.0.1/16",
FallbackFilter: RawFallbackFilter{
GeoIP: true,
GeoIPCode: "CN",
IPCIDR: []string{},
GeoSite: []string{},
},
DefaultNameserver: []string{
"114.114.114.114",
"223.5.5.5",
"8.8.8.8",
"1.0.0.1",
},
NameServer: []string{
"https://doh.pub/dns-query",
"tls:https://223.5.5.5:853",
},
FakeIPFilter: []string{
"dns.msftnsci.com",
"www.msftnsci.com",
"www.msftconnecttest.com",
},
},
Sniffer: RawSniffer{
Enable: false,
Sniffing: []string{},
ForceDomain: []string{},
SkipDomain: []string{},
Ports: []string{},
ForceDnsMapping: true,
ParsePureIp: true,
OverrideDest: true,
},
Profile: Profile{
StoreSelected: true,
},
GeoXUrl: GeoXUrl{
Mmdb: "https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geoip.metadb",
GeoIp: "https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geoip.dat",
GeoSite: "https://github.com/MetaCubeX/meta-rules-dat/releases/download/latest/geosite.dat",
},
ExternalUIURL: "https://github.com/MetaCubeX/metacubexd/archive/refs/heads/gh-pages.zip",
}
if err := yaml.Unmarshal(buf, rawCfg); err != nil {
return nil, err
}
return rawCfg, nil
}
func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
config := &Config{}
log.Infoln("Start initial configuration in progress") //Segment finished in xxm
startTime := time.Now()
config.Experimental = &rawCfg.Experimental
config.Profile = &rawCfg.Profile
config.IPTables = &rawCfg.IPTables
config.TLS = &rawCfg.RawTLS
general, err := parseGeneral(rawCfg)
if err != nil {
return nil, err
}
config.General = general
if len(config.General.GlobalClientFingerprint) != 0 {
log.Debugln("GlobalClientFingerprint: %s", config.General.GlobalClientFingerprint)
tlsC.SetGlobalUtlsClient(config.General.GlobalClientFingerprint)
}
proxies, providers, err := parseProxies(rawCfg)
if err != nil {
return nil, err
}
config.Proxies = proxies
config.Providers = providers
listener, err := parseListeners(rawCfg)
if err != nil {
return nil, err
}
config.Listeners = listener
log.Infoln("Geodata Loader mode: %s", geodata.LoaderName())
ruleProviders, err := parseRuleProviders(rawCfg)
if err != nil {
return nil, err
}
config.RuleProviders = ruleProviders
subRules, err := parseSubRules(rawCfg, proxies)
if err != nil {
return nil, err
}
config.SubRules = subRules
rules, err := parseRules(rawCfg.Rule, proxies, subRules, "rules")
if err != nil {
return nil, err
}
config.Rules = rules
hosts, err := parseHosts(rawCfg)
if err != nil {
return nil, err
}
config.Hosts = hosts
ntpCfg := paresNTP(rawCfg)
config.NTP = ntpCfg
dnsCfg, err := parseDNS(rawCfg, hosts, rules, ruleProviders)
if err != nil {
return nil, err
}
config.DNS = dnsCfg
err = parseTun(rawCfg.Tun, config.General)
if err != nil {
return nil, err
}
err = parseTuicServer(rawCfg.TuicServer, config.General)
if err != nil {
return nil, err
}
config.Users = parseAuthentication(rawCfg.Authentication)
config.Tunnels = rawCfg.Tunnels
// verify tunnels
for _, t := range config.Tunnels {
if len(t.Proxy) > 0 {
if _, ok := config.Proxies[t.Proxy]; !ok {
return nil, fmt.Errorf("tunnel proxy %s not found", t.Proxy)
}
}
}
config.Sniffer, err = parseSniffer(rawCfg.Sniffer)
if err != nil {
return nil, err
}
elapsedTime := time.Since(startTime) / time.Millisecond // duration in ms
log.Infoln("Initial configuration complete, total time: %dms", elapsedTime) //Segment finished in xxm
return config, nil
}
func parseGeneral(cfg *RawConfig) (*General, error) {
geodata.SetLoader(cfg.GeodataLoader)
C.GeoIpUrl = cfg.GeoXUrl.GeoIp
C.GeoSiteUrl = cfg.GeoXUrl.GeoSite
C.MmdbUrl = cfg.GeoXUrl.Mmdb
C.GeodataMode = cfg.GeodataMode
C.UA = cfg.GlobalUA
if cfg.KeepAliveInterval != 0 {
N.KeepAliveInterval = time.Duration(cfg.KeepAliveInterval) * time.Second
}
ExternalUIPath = cfg.ExternalUI
// checkout externalUI exist
if ExternalUIPath != "" {
ExternalUIPath = C.Path.Resolve(ExternalUIPath)
if _, err := os.Stat(ExternalUIPath); os.IsNotExist(err) {
defaultUIpath := path.Join(C.Path.HomeDir(), "ui")
log.Warnln("external-ui: %s does not exist, creating folder in %s", ExternalUIPath, defaultUIpath)
if err := os.MkdirAll(defaultUIpath, os.ModePerm); err != nil {
return nil, err
}
ExternalUIPath = defaultUIpath
cfg.ExternalUI = defaultUIpath
}
}
// checkout UIpath/name exist
if cfg.ExternalUIName != "" {
ExternalUIName = cfg.ExternalUIName
} else {
ExternalUIFolder = ExternalUIPath
}
if cfg.ExternalUIURL != "" {
ExternalUIURL = cfg.ExternalUIURL
}
cfg.Tun.RedirectToTun = cfg.EBpf.RedirectToTun
return &General{
Inbound: Inbound{
Port: cfg.Port,
SocksPort: cfg.SocksPort,
RedirPort: cfg.RedirPort,
TProxyPort: cfg.TProxyPort,
MixedPort: cfg.MixedPort,
ShadowSocksConfig: cfg.ShadowSocksConfig,
VmessConfig: cfg.VmessConfig,
AllowLan: cfg.AllowLan,
SkipAuthPrefixes: cfg.SkipAuthPrefixes,
BindAddress: cfg.BindAddress,
InboundTfo: cfg.InboundTfo,
InboundMPTCP: cfg.InboundMPTCP,
},
Controller: Controller{
ExternalController: cfg.ExternalController,
ExternalUI: cfg.ExternalUI,
Secret: cfg.Secret,
ExternalControllerTLS: cfg.ExternalControllerTLS,
},
UnifiedDelay: cfg.UnifiedDelay,
Mode: cfg.Mode,
LogLevel: cfg.LogLevel,
IPv6: cfg.IPv6,
Interface: cfg.Interface,
RoutingMark: cfg.RoutingMark,
GeoXUrl: cfg.GeoXUrl,
GeodataMode: cfg.GeodataMode,
GeodataLoader: cfg.GeodataLoader,
TCPConcurrent: cfg.TCPConcurrent,
FindProcessMode: cfg.FindProcessMode,
EBpf: cfg.EBpf,
GlobalClientFingerprint: cfg.GlobalClientFingerprint,
GlobalUA: cfg.GlobalUA,
}, nil
}
func parseProxies(cfg *RawConfig) (proxies map[string]C.Proxy, providersMap map[string]providerTypes.ProxyProvider, err error) {
proxies = make(map[string]C.Proxy)
providersMap = make(map[string]providerTypes.ProxyProvider)
proxiesConfig := cfg.Proxy
groupsConfig := cfg.ProxyGroup
providersConfig := cfg.ProxyProvider
var proxyList []string
proxiesList := list.New()
groupsList := list.New()
proxies["DIRECT"] = adapter.NewProxy(outbound.NewDirect())
proxies["REJECT"] = adapter.NewProxy(outbound.NewReject())
proxies["COMPATIBLE"] = adapter.NewProxy(outbound.NewCompatible())
proxies["PASS"] = adapter.NewProxy(outbound.NewPass())
proxyList = append(proxyList, "DIRECT", "REJECT")
// parse proxy
for idx, mapping := range proxiesConfig {
proxy, err := adapter.ParseProxy(mapping)
if err != nil {
return nil, nil, fmt.Errorf("proxy %d: %w", idx, err)
}
if _, exist := proxies[proxy.Name()]; exist {
return nil, nil, fmt.Errorf("proxy %s is the duplicate name", proxy.Name())
}
proxies[proxy.Name()] = proxy
proxyList = append(proxyList, proxy.Name())
proxiesList.PushBack(mapping)
}
// keep the original order of ProxyGroups in config file
for idx, mapping := range groupsConfig {
groupName, existName := mapping["name"].(string)
if !existName {
return nil, nil, fmt.Errorf("proxy group %d: missing name", idx)
}
proxyList = append(proxyList, groupName)
groupsList.PushBack(mapping)
}
// check if any loop exists and sort the ProxyGroups
if err := proxyGroupsDagSort(groupsConfig); err != nil {
return nil, nil, err
}
// parse and initial providers
for name, mapping := range providersConfig {
if name == provider.ReservedName {
return nil, nil, fmt.Errorf("can not defined a provider called `%s`", provider.ReservedName)
}
pd, err := provider.ParseProxyProvider(name, mapping)
if err != nil {
return nil, nil, fmt.Errorf("parse proxy provider %s error: %w", name, err)
}
providersMap[name] = pd
}
// parse proxy group
for idx, mapping := range groupsConfig {
group, err := outboundgroup.ParseProxyGroup(mapping, proxies, providersMap)
if err != nil {
return nil, nil, fmt.Errorf("proxy group[%d]: %w", idx, err)
}
groupName := group.Name()
if _, exist := proxies[groupName]; exist {
return nil, nil, fmt.Errorf("proxy group %s: the duplicate name", groupName)
}
proxies[groupName] = adapter.NewProxy(group)
}
var ps []C.Proxy
for _, v := range proxyList {
if proxies[v].Type() == C.Pass {
continue
}
ps = append(ps, proxies[v])
}
hc := provider.NewHealthCheck(ps, "", 0, true, nil)
pd, _ := provider.NewCompatibleProvider(provider.ReservedName, ps, hc)
providersMap[provider.ReservedName] = pd
global := outboundgroup.NewSelector(
&outboundgroup.GroupCommonOption{
Name: "GLOBAL",
},
[]providerTypes.ProxyProvider{pd},
)
proxies["GLOBAL"] = adapter.NewProxy(global)
ProxiesList = proxiesList
GroupsList = groupsList
if ParsingProxiesCallback != nil {
// refresh tray menu
go ParsingProxiesCallback(GroupsList, ProxiesList)
}
return proxies, providersMap, nil
}
func parseListeners(cfg *RawConfig) (listeners map[string]C.InboundListener, err error) {
listeners = make(map[string]C.InboundListener)
for index, mapping := range cfg.Listeners {
listener, err := L.ParseListener(mapping)
if err != nil {
return nil, fmt.Errorf("proxy %d: %w", index, err)
}
if _, exist := mapping[listener.Name()]; exist {
return nil, fmt.Errorf("listener %s is the duplicate name", listener.Name())
}
listeners[listener.Name()] = listener
}
return
}
func parseRuleProviders(cfg *RawConfig) (ruleProviders map[string]providerTypes.RuleProvider, err error) {
ruleProviders = map[string]providerTypes.RuleProvider{}
// parse rule provider
for name, mapping := range cfg.RuleProvider {
rp, err := RP.ParseRuleProvider(name, mapping, R.ParseRule)
if err != nil {
return nil, err
}
ruleProviders[name] = rp
RP.SetRuleProvider(rp)
}
return
}
func parseSubRules(cfg *RawConfig, proxies map[string]C.Proxy) (subRules map[string][]C.Rule, err error) {
subRules = map[string][]C.Rule{}
for name := range cfg.SubRules {
subRules[name] = make([]C.Rule, 0)
}
for name, rawRules := range cfg.SubRules {
if len(name) == 0 {
return nil, fmt.Errorf("sub-rule name is empty")
}
var rules []C.Rule
rules, err = parseRules(rawRules, proxies, subRules, fmt.Sprintf("sub-rules[%s]", name))
if err != nil {
return nil, err
}
subRules[name] = rules
}
if err = verifySubRule(subRules); err != nil {
return nil, err
}
return
}
func verifySubRule(subRules map[string][]C.Rule) error {
for name := range subRules {
err := verifySubRuleCircularReferences(name, subRules, []string{})
if err != nil {
return err
}
}
return nil
}
func verifySubRuleCircularReferences(n string, subRules map[string][]C.Rule, arr []string) error {
isInArray := func(v string, array []string) bool {
for _, c := range array {
if v == c {
return true
}
}
return false
}
arr = append(arr, n)
for i, rule := range subRules[n] {
if rule.RuleType() == C.SubRules {
if _, ok := subRules[rule.Adapter()]; !ok {
return fmt.Errorf("sub-rule[%d:%s] error: [%s] not found", i, n, rule.Adapter())
}
if isInArray(rule.Adapter(), arr) {
arr = append(arr, rule.Adapter())
return fmt.Errorf("sub-rule error: circular references [%s]", strings.Join(arr, "->"))
}
if err := verifySubRuleCircularReferences(rule.Adapter(), subRules, arr); err != nil {
return err
}
}
}
return nil
}
func parseRules(rulesConfig []string, proxies map[string]C.Proxy, subRules map[string][]C.Rule, format string) ([]C.Rule, error) {
var rules []C.Rule
// parse rules
for idx, line := range rulesConfig {
rule := trimArr(strings.Split(line, ","))
var (
payload string
target string
params []string
ruleName = strings.ToUpper(rule[0])
)
l := len(rule)
if ruleName == "NOT" || ruleName == "OR" || ruleName == "AND" || ruleName == "SUB-RULE" {
target = rule[l-1]
payload = strings.Join(rule[1:l-1], ",")
} else {
if l < 2 {
return nil, fmt.Errorf("%s[%d] [%s] error: format invalid", format, idx, line)
}
if l < 4 {
rule = append(rule, make([]string, 4-l)...)
}
if ruleName == "MATCH" {
l = 2
}
if l >= 3 {
l = 3
payload = rule[1]
}
target = rule[l-1]
params = rule[l:]
}
if _, ok := proxies[target]; !ok {
if ruleName != "SUB-RULE" {
return nil, fmt.Errorf("%s[%d] [%s] error: proxy [%s] not found", format, idx, line, target)
} else if _, ok = subRules[target]; !ok {
return nil, fmt.Errorf("%s[%d] [%s] error: sub-rule [%s] not found", format, idx, line, target)
}
}
params = trimArr(params)
parsed, parseErr := R.ParseRule(ruleName, payload, target, params, subRules)
if parseErr != nil {
return nil, fmt.Errorf("%s[%d] [%s] error: %s", format, idx, line, parseErr.Error())
}
rules = append(rules, parsed)
}
return rules, nil
}
func parseHosts(cfg *RawConfig) (*trie.DomainTrie[resolver.HostValue], error) {
tree := trie.New[resolver.HostValue]()
// add default hosts
hostValue, _ := resolver.NewHostValueByIPs(
[]netip.Addr{netip.AddrFrom4([4]byte{127, 0, 0, 1})})
if err := tree.Insert("localhost", hostValue); err != nil {
log.Errorln("insert localhost to host error: %s", err.Error())
}
if len(cfg.Hosts) != 0 {
for domain, anyValue := range cfg.Hosts {
if str, ok := anyValue.(string); ok && str == "clash" {
if addrs, err := net.InterfaceAddrs(); err != nil {
log.Errorln("insert clash to host error: %s", err)
} else {
ips := make([]netip.Addr, 0)
for _, addr := range addrs {
if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() && !ipnet.IP.IsLinkLocalUnicast() {
if ip, err := netip.ParseAddr(ipnet.IP.String()); err == nil {
ips = append(ips, ip)
}
}
}
anyValue = ips
}
}
value, err := resolver.NewHostValue(anyValue)
if err != nil {
return nil, fmt.Errorf("%s is not a valid value", anyValue)
}
if value.IsDomain {
node := tree.Search(value.Domain)
for node != nil && node.Data().IsDomain {
if node.Data().Domain == domain {
return nil, fmt.Errorf("%s, there is a cycle in domain name mapping", domain)
}
node = tree.Search(node.Data().Domain)
}
}
_ = tree.Insert(domain, value)
}
}
tree.Optimize()
return tree, nil
}
func hostWithDefaultPort(host string, defPort string) (string, error) {
hostname, port, err := net.SplitHostPort(host)
if err != nil {
if !strings.Contains(err.Error(), "missing port in address") {
return "", err
}
host = host + ":" + defPort
if hostname, port, err = net.SplitHostPort(host); err != nil {
return "", err
}
}
return net.JoinHostPort(hostname, port), nil
}
func parseNameServer(servers []string, preferH3 bool) ([]dns.NameServer, error) {
var nameservers []dns.NameServer
for idx, server := range servers {
server = parsePureDNSServer(server)
u, err := url.Parse(server)
if err != nil {
return nil, fmt.Errorf("DNS NameServer[%d] format error: %s", idx, err.Error())
}
proxyName := u.Fragment
var addr, dnsNetType string
params := map[string]string{}
switch u.Scheme {
case "udp":
addr, err = hostWithDefaultPort(u.Host, "53")
dnsNetType = "" // UDP
case "tcp":
addr, err = hostWithDefaultPort(u.Host, "53")
dnsNetType = "tcp" // TCP
case "tls":
addr, err = hostWithDefaultPort(u.Host, "853")
dnsNetType = "tcp-tls" // DNS over TLS
case "https":
addr, err = hostWithDefaultPort(u.Host, "443")
if err == nil {
proxyName = ""
clearURL := url.URL{Scheme: "https", Host: addr, Path: u.Path, User: u.User}
addr = clearURL.String()