mirror of
https://github.com/apernet/hysteria.git
synced 2025-04-03 04:27:39 +03:00
1024 lines
34 KiB
Go
1024 lines
34 KiB
Go
package cmd
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import (
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"context"
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"crypto/tls"
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"encoding/json"
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"errors"
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"fmt"
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"net"
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"net/http"
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"net/http/httputil"
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"net/url"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/caddyserver/certmagic"
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"github.com/libdns/cloudflare"
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"github.com/libdns/duckdns"
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"github.com/libdns/gandi"
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"github.com/libdns/godaddy"
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"github.com/libdns/namedotcom"
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"github.com/libdns/vultr"
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"github.com/mholt/acmez/acme"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"go.uber.org/zap"
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"github.com/apernet/hysteria/app/v2/internal/utils"
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"github.com/apernet/hysteria/core/v2/server"
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"github.com/apernet/hysteria/extras/v2/auth"
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"github.com/apernet/hysteria/extras/v2/correctnet"
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"github.com/apernet/hysteria/extras/v2/masq"
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"github.com/apernet/hysteria/extras/v2/obfs"
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"github.com/apernet/hysteria/extras/v2/outbounds"
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"github.com/apernet/hysteria/extras/v2/sniff"
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"github.com/apernet/hysteria/extras/v2/trafficlogger"
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eUtils "github.com/apernet/hysteria/extras/v2/utils"
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)
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const (
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defaultListenAddr = ":443"
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)
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var serverCmd = &cobra.Command{
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Use: "server",
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Short: "Server mode",
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Run: runServer,
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}
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func init() {
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rootCmd.AddCommand(serverCmd)
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}
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type serverConfig struct {
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Listen string `mapstructure:"listen"`
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Obfs serverConfigObfs `mapstructure:"obfs"`
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TLS *serverConfigTLS `mapstructure:"tls"`
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ACME *serverConfigACME `mapstructure:"acme"`
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QUIC serverConfigQUIC `mapstructure:"quic"`
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Bandwidth serverConfigBandwidth `mapstructure:"bandwidth"`
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IgnoreClientBandwidth bool `mapstructure:"ignoreClientBandwidth"`
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SpeedTest bool `mapstructure:"speedTest"`
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DisableUDP bool `mapstructure:"disableUDP"`
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UDPIdleTimeout time.Duration `mapstructure:"udpIdleTimeout"`
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Auth serverConfigAuth `mapstructure:"auth"`
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Resolver serverConfigResolver `mapstructure:"resolver"`
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Sniff serverConfigSniff `mapstructure:"sniff"`
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ACL serverConfigACL `mapstructure:"acl"`
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Outbounds []serverConfigOutboundEntry `mapstructure:"outbounds"`
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TrafficStats serverConfigTrafficStats `mapstructure:"trafficStats"`
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Masquerade serverConfigMasquerade `mapstructure:"masquerade"`
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}
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type serverConfigObfsSalamander struct {
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Password string `mapstructure:"password"`
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}
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type serverConfigObfs struct {
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Type string `mapstructure:"type"`
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Salamander serverConfigObfsSalamander `mapstructure:"salamander"`
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}
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type serverConfigTLS struct {
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Cert string `mapstructure:"cert"`
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Key string `mapstructure:"key"`
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SNIGuard string `mapstructure:"sniGuard"` // "disable", "dns-san", "strict"
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}
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type serverConfigACME struct {
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// Common fields
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Domains []string `mapstructure:"domains"`
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Email string `mapstructure:"email"`
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CA string `mapstructure:"ca"`
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ListenHost string `mapstructure:"listenHost"`
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Dir string `mapstructure:"dir"`
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// Type selection
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Type string `mapstructure:"type"`
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HTTP serverConfigACMEHTTP `mapstructure:"http"`
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TLS serverConfigACMETLS `mapstructure:"tls"`
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DNS serverConfigACMEDNS `mapstructure:"dns"`
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// Legacy fields for backwards compatibility
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// Only applicable when Type is empty
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DisableHTTP bool `mapstructure:"disableHTTP"`
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DisableTLSALPN bool `mapstructure:"disableTLSALPN"`
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AltHTTPPort int `mapstructure:"altHTTPPort"`
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AltTLSALPNPort int `mapstructure:"altTLSALPNPort"`
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}
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type serverConfigACMEHTTP struct {
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AltPort int `mapstructure:"altPort"`
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}
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type serverConfigACMETLS struct {
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AltPort int `mapstructure:"altPort"`
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}
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type serverConfigACMEDNS struct {
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Name string `mapstructure:"name"`
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Config map[string]string `mapstructure:"config"`
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}
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type serverConfigQUIC struct {
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InitStreamReceiveWindow uint64 `mapstructure:"initStreamReceiveWindow"`
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MaxStreamReceiveWindow uint64 `mapstructure:"maxStreamReceiveWindow"`
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InitConnectionReceiveWindow uint64 `mapstructure:"initConnReceiveWindow"`
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MaxConnectionReceiveWindow uint64 `mapstructure:"maxConnReceiveWindow"`
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MaxIdleTimeout time.Duration `mapstructure:"maxIdleTimeout"`
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MaxIncomingStreams int64 `mapstructure:"maxIncomingStreams"`
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DisablePathMTUDiscovery bool `mapstructure:"disablePathMTUDiscovery"`
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}
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type serverConfigBandwidth struct {
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Up string `mapstructure:"up"`
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Down string `mapstructure:"down"`
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}
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type serverConfigAuthHTTP struct {
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URL string `mapstructure:"url"`
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Insecure bool `mapstructure:"insecure"`
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}
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type serverConfigAuth struct {
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Type string `mapstructure:"type"`
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Password string `mapstructure:"password"`
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UserPass map[string]string `mapstructure:"userpass"`
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HTTP serverConfigAuthHTTP `mapstructure:"http"`
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Command string `mapstructure:"command"`
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}
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type serverConfigResolverTCP struct {
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Addr string `mapstructure:"addr"`
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Timeout time.Duration `mapstructure:"timeout"`
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}
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type serverConfigResolverUDP struct {
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Addr string `mapstructure:"addr"`
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Timeout time.Duration `mapstructure:"timeout"`
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}
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type serverConfigResolverTLS struct {
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Addr string `mapstructure:"addr"`
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Timeout time.Duration `mapstructure:"timeout"`
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SNI string `mapstructure:"sni"`
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Insecure bool `mapstructure:"insecure"`
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}
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type serverConfigResolverHTTPS struct {
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Addr string `mapstructure:"addr"`
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Timeout time.Duration `mapstructure:"timeout"`
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SNI string `mapstructure:"sni"`
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Insecure bool `mapstructure:"insecure"`
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}
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type serverConfigResolver struct {
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Type string `mapstructure:"type"`
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TCP serverConfigResolverTCP `mapstructure:"tcp"`
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UDP serverConfigResolverUDP `mapstructure:"udp"`
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TLS serverConfigResolverTLS `mapstructure:"tls"`
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HTTPS serverConfigResolverHTTPS `mapstructure:"https"`
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}
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type serverConfigSniff struct {
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Enable bool `mapstructure:"enable"`
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Timeout time.Duration `mapstructure:"timeout"`
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RewriteDomain bool `mapstructure:"rewriteDomain"`
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TCPPorts string `mapstructure:"tcpPorts"`
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UDPPorts string `mapstructure:"udpPorts"`
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}
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type serverConfigACL struct {
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File string `mapstructure:"file"`
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Inline []string `mapstructure:"inline"`
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GeoIP string `mapstructure:"geoip"`
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GeoSite string `mapstructure:"geosite"`
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GeoUpdateInterval time.Duration `mapstructure:"geoUpdateInterval"`
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}
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type serverConfigOutboundDirect struct {
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Mode string `mapstructure:"mode"`
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BindIPv4 string `mapstructure:"bindIPv4"`
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BindIPv6 string `mapstructure:"bindIPv6"`
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BindDevice string `mapstructure:"bindDevice"`
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}
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type serverConfigOutboundSOCKS5 struct {
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Addr string `mapstructure:"addr"`
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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}
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type serverConfigOutboundHTTP struct {
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URL string `mapstructure:"url"`
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Insecure bool `mapstructure:"insecure"`
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}
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type serverConfigOutboundEntry struct {
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Name string `mapstructure:"name"`
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Type string `mapstructure:"type"`
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Direct serverConfigOutboundDirect `mapstructure:"direct"`
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SOCKS5 serverConfigOutboundSOCKS5 `mapstructure:"socks5"`
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HTTP serverConfigOutboundHTTP `mapstructure:"http"`
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}
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type serverConfigTrafficStats struct {
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Listen string `mapstructure:"listen"`
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Secret string `mapstructure:"secret"`
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}
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type serverConfigMasqueradeFile struct {
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Dir string `mapstructure:"dir"`
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}
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type serverConfigMasqueradeProxy struct {
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URL string `mapstructure:"url"`
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RewriteHost bool `mapstructure:"rewriteHost"`
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}
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type serverConfigMasqueradeString struct {
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Content string `mapstructure:"content"`
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Headers map[string]string `mapstructure:"headers"`
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StatusCode int `mapstructure:"statusCode"`
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}
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type serverConfigMasquerade struct {
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Type string `mapstructure:"type"`
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File serverConfigMasqueradeFile `mapstructure:"file"`
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Proxy serverConfigMasqueradeProxy `mapstructure:"proxy"`
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String serverConfigMasqueradeString `mapstructure:"string"`
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ListenHTTP string `mapstructure:"listenHTTP"`
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ListenHTTPS string `mapstructure:"listenHTTPS"`
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ForceHTTPS bool `mapstructure:"forceHTTPS"`
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}
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func (c *serverConfig) fillConn(hyConfig *server.Config) error {
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listenAddr := c.Listen
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if listenAddr == "" {
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listenAddr = defaultListenAddr
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}
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uAddr, err := net.ResolveUDPAddr("udp", listenAddr)
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if err != nil {
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return configError{Field: "listen", Err: err}
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}
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conn, err := correctnet.ListenUDP("udp", uAddr)
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if err != nil {
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return configError{Field: "listen", Err: err}
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}
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switch strings.ToLower(c.Obfs.Type) {
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case "", "plain":
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hyConfig.Conn = conn
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return nil
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case "salamander":
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ob, err := obfs.NewSalamanderObfuscator([]byte(c.Obfs.Salamander.Password))
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if err != nil {
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return configError{Field: "obfs.salamander.password", Err: err}
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}
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hyConfig.Conn = obfs.WrapPacketConn(conn, ob)
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return nil
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default:
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return configError{Field: "obfs.type", Err: errors.New("unsupported obfuscation type")}
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}
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}
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func (c *serverConfig) fillTLSConfig(hyConfig *server.Config) error {
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if c.TLS == nil && c.ACME == nil {
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return configError{Field: "tls", Err: errors.New("must set either tls or acme")}
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}
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if c.TLS != nil && c.ACME != nil {
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return configError{Field: "tls", Err: errors.New("cannot set both tls and acme")}
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}
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if c.TLS != nil {
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// SNI guard
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var sniGuard utils.SNIGuardFunc
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switch strings.ToLower(c.TLS.SNIGuard) {
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case "", "dns-san":
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sniGuard = utils.SNIGuardDNSSAN
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case "strict":
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sniGuard = utils.SNIGuardStrict
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case "disable":
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sniGuard = nil
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default:
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return configError{Field: "tls.sniGuard", Err: errors.New("unsupported SNI guard")}
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}
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// Local TLS cert
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if c.TLS.Cert == "" || c.TLS.Key == "" {
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return configError{Field: "tls", Err: errors.New("empty cert or key path")}
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}
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certLoader := &utils.LocalCertificateLoader{
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CertFile: c.TLS.Cert,
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KeyFile: c.TLS.Key,
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SNIGuard: sniGuard,
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}
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// Try loading the cert-key pair here to catch errors early
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// (e.g. invalid files or insufficient permissions)
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err := certLoader.InitializeCache()
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if err != nil {
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var pathErr *os.PathError
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if errors.As(err, &pathErr) {
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if pathErr.Path == c.TLS.Cert {
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return configError{Field: "tls.cert", Err: pathErr}
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}
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if pathErr.Path == c.TLS.Key {
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return configError{Field: "tls.key", Err: pathErr}
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}
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}
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return configError{Field: "tls", Err: err}
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}
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// Use GetCertificate instead of Certificates so that
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// users can update the cert without restarting the server.
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hyConfig.TLSConfig.GetCertificate = certLoader.GetCertificate
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} else {
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// ACME
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dataDir := c.ACME.Dir
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if dataDir == "" {
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// If not specified in the config, check the environment variable
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// before resorting to the default "acme" value. The main reason
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// we have this is so that our setup script can set it to the
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// user's home directory.
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dataDir = envOrDefaultString(appACMEDirEnv, "acme")
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}
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cmCfg := &certmagic.Config{
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RenewalWindowRatio: certmagic.DefaultRenewalWindowRatio,
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KeySource: certmagic.DefaultKeyGenerator,
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Storage: &certmagic.FileStorage{Path: dataDir},
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Logger: logger,
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}
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cmIssuer := certmagic.NewACMEIssuer(cmCfg, certmagic.ACMEIssuer{
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Email: c.ACME.Email,
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Agreed: true,
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ListenHost: c.ACME.ListenHost,
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Logger: logger,
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})
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switch strings.ToLower(c.ACME.CA) {
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case "letsencrypt", "le", "":
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// Default to Let's Encrypt
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cmIssuer.CA = certmagic.LetsEncryptProductionCA
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case "zerossl", "zero":
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cmIssuer.CA = certmagic.ZeroSSLProductionCA
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eab, err := genZeroSSLEAB(c.ACME.Email)
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if err != nil {
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return configError{Field: "acme.ca", Err: err}
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}
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cmIssuer.ExternalAccount = eab
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default:
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return configError{Field: "acme.ca", Err: errors.New("unsupported CA")}
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}
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switch strings.ToLower(c.ACME.Type) {
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case "http":
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cmIssuer.DisableHTTPChallenge = false
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cmIssuer.DisableTLSALPNChallenge = true
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cmIssuer.DNS01Solver = nil
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cmIssuer.AltHTTPPort = c.ACME.HTTP.AltPort
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case "tls":
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cmIssuer.DisableHTTPChallenge = true
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cmIssuer.DisableTLSALPNChallenge = false
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cmIssuer.DNS01Solver = nil
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cmIssuer.AltTLSALPNPort = c.ACME.TLS.AltPort
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case "dns":
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cmIssuer.DisableHTTPChallenge = true
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cmIssuer.DisableTLSALPNChallenge = true
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if c.ACME.DNS.Name == "" {
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return configError{Field: "acme.dns.name", Err: errors.New("empty DNS provider name")}
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}
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if c.ACME.DNS.Config == nil {
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return configError{Field: "acme.dns.config", Err: errors.New("empty DNS provider config")}
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}
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switch strings.ToLower(c.ACME.DNS.Name) {
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case "cloudflare":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &cloudflare.Provider{
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APIToken: c.ACME.DNS.Config["cloudflare_api_token"],
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},
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}
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case "duckdns":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &duckdns.Provider{
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APIToken: c.ACME.DNS.Config["duckdns_api_token"],
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OverrideDomain: c.ACME.DNS.Config["duckdns_override_domain"],
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},
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}
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case "gandi":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &gandi.Provider{
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BearerToken: c.ACME.DNS.Config["gandi_api_token"],
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},
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}
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case "godaddy":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &godaddy.Provider{
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APIToken: c.ACME.DNS.Config["godaddy_api_token"],
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},
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}
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case "namedotcom":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &namedotcom.Provider{
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Token: c.ACME.DNS.Config["namedotcom_token"],
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User: c.ACME.DNS.Config["namedotcom_user"],
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Server: c.ACME.DNS.Config["namedotcom_server"],
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},
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}
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case "vultr":
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cmIssuer.DNS01Solver = &certmagic.DNS01Solver{
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DNSProvider: &vultr.Provider{
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APIToken: c.ACME.DNS.Config["vultr_api_token"],
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},
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}
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default:
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return configError{Field: "acme.dns.name", Err: errors.New("unsupported DNS provider")}
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}
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case "":
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// Legacy compatibility mode
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cmIssuer.DisableHTTPChallenge = c.ACME.DisableHTTP
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cmIssuer.DisableTLSALPNChallenge = c.ACME.DisableTLSALPN
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cmIssuer.AltHTTPPort = c.ACME.AltHTTPPort
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cmIssuer.AltTLSALPNPort = c.ACME.AltTLSALPNPort
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default:
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return configError{Field: "acme.type", Err: errors.New("unsupported ACME type")}
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}
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cmCfg.Issuers = []certmagic.Issuer{cmIssuer}
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cmCache := certmagic.NewCache(certmagic.CacheOptions{
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GetConfigForCert: func(cert certmagic.Certificate) (*certmagic.Config, error) {
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return cmCfg, nil
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},
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Logger: logger,
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})
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cmCfg = certmagic.New(cmCache, *cmCfg)
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if len(c.ACME.Domains) == 0 {
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return configError{Field: "acme.domains", Err: errors.New("empty domains")}
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}
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err := cmCfg.ManageSync(context.Background(), c.ACME.Domains)
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if err != nil {
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return configError{Field: "acme.domains", Err: err}
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}
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hyConfig.TLSConfig.GetCertificate = cmCfg.GetCertificate
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}
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return nil
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}
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func genZeroSSLEAB(email string) (*acme.EAB, error) {
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req, err := http.NewRequest(
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http.MethodPost,
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"https://api.zerossl.com/acme/eab-credentials-email",
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strings.NewReader(url.Values{"email": []string{email}}.Encode()),
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)
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if err != nil {
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return nil, fmt.Errorf("failed to creare ZeroSSL EAB request: %w", err)
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("User-Agent", certmagic.UserAgent)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return nil, fmt.Errorf("failed to send ZeroSSL EAB request: %w", err)
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}
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defer func() { _ = resp.Body.Close() }()
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var result struct {
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Success bool `json:"success"`
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Error struct {
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Code int `json:"code"`
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Type string `json:"type"`
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} `json:"error"`
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EABKID string `json:"eab_kid"`
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EABHMACKey string `json:"eab_hmac_key"`
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}
|
|
if err = json.NewDecoder(resp.Body).Decode(&result); err != nil {
|
|
return nil, fmt.Errorf("failed decoding ZeroSSL EAB API response: %w", err)
|
|
}
|
|
if result.Error.Code != 0 {
|
|
return nil, fmt.Errorf("failed getting ZeroSSL EAB credentials: HTTP %d: %s (code %d)", resp.StatusCode, result.Error.Type, result.Error.Code)
|
|
}
|
|
if resp.StatusCode != http.StatusOK {
|
|
return nil, fmt.Errorf("failed getting EAB credentials: HTTP %d", resp.StatusCode)
|
|
}
|
|
|
|
return &acme.EAB{
|
|
KeyID: result.EABKID,
|
|
MACKey: result.EABHMACKey,
|
|
}, nil
|
|
}
|
|
|
|
func (c *serverConfig) fillQUICConfig(hyConfig *server.Config) error {
|
|
hyConfig.QUICConfig = server.QUICConfig{
|
|
InitialStreamReceiveWindow: c.QUIC.InitStreamReceiveWindow,
|
|
MaxStreamReceiveWindow: c.QUIC.MaxStreamReceiveWindow,
|
|
InitialConnectionReceiveWindow: c.QUIC.InitConnectionReceiveWindow,
|
|
MaxConnectionReceiveWindow: c.QUIC.MaxConnectionReceiveWindow,
|
|
MaxIdleTimeout: c.QUIC.MaxIdleTimeout,
|
|
MaxIncomingStreams: c.QUIC.MaxIncomingStreams,
|
|
DisablePathMTUDiscovery: c.QUIC.DisablePathMTUDiscovery,
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func serverConfigOutboundDirectToOutbound(c serverConfigOutboundDirect) (outbounds.PluggableOutbound, error) {
|
|
var mode outbounds.DirectOutboundMode
|
|
switch strings.ToLower(c.Mode) {
|
|
case "", "auto":
|
|
mode = outbounds.DirectOutboundModeAuto
|
|
case "64":
|
|
mode = outbounds.DirectOutboundMode64
|
|
case "46":
|
|
mode = outbounds.DirectOutboundMode46
|
|
case "6":
|
|
mode = outbounds.DirectOutboundMode6
|
|
case "4":
|
|
mode = outbounds.DirectOutboundMode4
|
|
default:
|
|
return nil, configError{Field: "outbounds.direct.mode", Err: errors.New("unsupported mode")}
|
|
}
|
|
bindIP := len(c.BindIPv4) > 0 || len(c.BindIPv6) > 0
|
|
bindDevice := len(c.BindDevice) > 0
|
|
if bindIP && bindDevice {
|
|
return nil, configError{Field: "outbounds.direct", Err: errors.New("cannot bind both IP and device")}
|
|
}
|
|
if bindIP {
|
|
ip4, ip6 := net.ParseIP(c.BindIPv4), net.ParseIP(c.BindIPv6)
|
|
if len(c.BindIPv4) > 0 && ip4 == nil {
|
|
return nil, configError{Field: "outbounds.direct.bindIPv4", Err: errors.New("invalid IPv4 address")}
|
|
}
|
|
if len(c.BindIPv6) > 0 && ip6 == nil {
|
|
return nil, configError{Field: "outbounds.direct.bindIPv6", Err: errors.New("invalid IPv6 address")}
|
|
}
|
|
return outbounds.NewDirectOutboundBindToIPs(mode, ip4, ip6)
|
|
}
|
|
if bindDevice {
|
|
return outbounds.NewDirectOutboundBindToDevice(mode, c.BindDevice)
|
|
}
|
|
return outbounds.NewDirectOutboundSimple(mode), nil
|
|
}
|
|
|
|
func serverConfigOutboundSOCKS5ToOutbound(c serverConfigOutboundSOCKS5) (outbounds.PluggableOutbound, error) {
|
|
if c.Addr == "" {
|
|
return nil, configError{Field: "outbounds.socks5.addr", Err: errors.New("empty socks5 address")}
|
|
}
|
|
return outbounds.NewSOCKS5Outbound(c.Addr, c.Username, c.Password), nil
|
|
}
|
|
|
|
func serverConfigOutboundHTTPToOutbound(c serverConfigOutboundHTTP) (outbounds.PluggableOutbound, error) {
|
|
if c.URL == "" {
|
|
return nil, configError{Field: "outbounds.http.url", Err: errors.New("empty http address")}
|
|
}
|
|
return outbounds.NewHTTPOutbound(c.URL, c.Insecure)
|
|
}
|
|
|
|
func (c *serverConfig) fillRequestHook(hyConfig *server.Config) error {
|
|
if c.Sniff.Enable {
|
|
s := &sniff.Sniffer{
|
|
Timeout: c.Sniff.Timeout,
|
|
RewriteDomain: c.Sniff.RewriteDomain,
|
|
}
|
|
if c.Sniff.TCPPorts != "" {
|
|
s.TCPPorts = eUtils.ParsePortUnion(c.Sniff.TCPPorts)
|
|
if s.TCPPorts == nil {
|
|
return configError{Field: "sniff.tcpPorts", Err: errors.New("invalid port union")}
|
|
}
|
|
}
|
|
if c.Sniff.UDPPorts != "" {
|
|
s.UDPPorts = eUtils.ParsePortUnion(c.Sniff.UDPPorts)
|
|
if s.UDPPorts == nil {
|
|
return configError{Field: "sniff.udpPorts", Err: errors.New("invalid port union")}
|
|
}
|
|
}
|
|
hyConfig.RequestHook = s
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillOutboundConfig(hyConfig *server.Config) error {
|
|
// Resolver, ACL, actual outbound are all implemented through the Outbound interface.
|
|
// Depending on the config, we build a chain like this:
|
|
// Resolver(ACL(Outbounds...))
|
|
|
|
// Outbounds
|
|
var obs []outbounds.OutboundEntry
|
|
if len(c.Outbounds) == 0 {
|
|
// Guarantee we have at least one outbound
|
|
obs = []outbounds.OutboundEntry{{
|
|
Name: "default",
|
|
Outbound: outbounds.NewDirectOutboundSimple(outbounds.DirectOutboundModeAuto),
|
|
}}
|
|
} else {
|
|
obs = make([]outbounds.OutboundEntry, len(c.Outbounds))
|
|
for i, entry := range c.Outbounds {
|
|
if entry.Name == "" {
|
|
return configError{Field: "outbounds.name", Err: errors.New("empty outbound name")}
|
|
}
|
|
var ob outbounds.PluggableOutbound
|
|
var err error
|
|
switch strings.ToLower(entry.Type) {
|
|
case "direct":
|
|
ob, err = serverConfigOutboundDirectToOutbound(entry.Direct)
|
|
case "socks5":
|
|
ob, err = serverConfigOutboundSOCKS5ToOutbound(entry.SOCKS5)
|
|
case "http":
|
|
ob, err = serverConfigOutboundHTTPToOutbound(entry.HTTP)
|
|
default:
|
|
err = configError{Field: "outbounds.type", Err: errors.New("unsupported outbound type")}
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
obs[i] = outbounds.OutboundEntry{Name: entry.Name, Outbound: ob}
|
|
}
|
|
}
|
|
|
|
var uOb outbounds.PluggableOutbound // "unified" outbound
|
|
|
|
// ACL
|
|
hasACL := false
|
|
if c.ACL.File != "" && len(c.ACL.Inline) > 0 {
|
|
return configError{Field: "acl", Err: errors.New("cannot set both acl.file and acl.inline")}
|
|
}
|
|
gLoader := &utils.GeoLoader{
|
|
GeoIPFilename: c.ACL.GeoIP,
|
|
GeoSiteFilename: c.ACL.GeoSite,
|
|
UpdateInterval: c.ACL.GeoUpdateInterval,
|
|
DownloadFunc: geoDownloadFunc,
|
|
DownloadErrFunc: geoDownloadErrFunc,
|
|
}
|
|
if c.ACL.File != "" {
|
|
hasACL = true
|
|
acl, err := outbounds.NewACLEngineFromFile(c.ACL.File, obs, gLoader)
|
|
if err != nil {
|
|
return configError{Field: "acl.file", Err: err}
|
|
}
|
|
uOb = acl
|
|
} else if len(c.ACL.Inline) > 0 {
|
|
hasACL = true
|
|
acl, err := outbounds.NewACLEngineFromString(strings.Join(c.ACL.Inline, "\n"), obs, gLoader)
|
|
if err != nil {
|
|
return configError{Field: "acl.inline", Err: err}
|
|
}
|
|
uOb = acl
|
|
} else {
|
|
// No ACL, use the first outbound
|
|
uOb = obs[0].Outbound
|
|
}
|
|
|
|
// Resolver
|
|
switch strings.ToLower(c.Resolver.Type) {
|
|
case "", "system":
|
|
if hasACL {
|
|
// If the user uses ACL, we must put a resolver in front of it,
|
|
// for IP rules to work on domain requests.
|
|
uOb = outbounds.NewSystemResolver(uOb)
|
|
}
|
|
// Otherwise we can just rely on outbound handling on its own.
|
|
case "tcp":
|
|
if c.Resolver.TCP.Addr == "" {
|
|
return configError{Field: "resolver.tcp.addr", Err: errors.New("empty resolver address")}
|
|
}
|
|
uOb = outbounds.NewStandardResolverTCP(c.Resolver.TCP.Addr, c.Resolver.TCP.Timeout, uOb)
|
|
case "udp":
|
|
if c.Resolver.UDP.Addr == "" {
|
|
return configError{Field: "resolver.udp.addr", Err: errors.New("empty resolver address")}
|
|
}
|
|
uOb = outbounds.NewStandardResolverUDP(c.Resolver.UDP.Addr, c.Resolver.UDP.Timeout, uOb)
|
|
case "tls", "tcp-tls":
|
|
if c.Resolver.TLS.Addr == "" {
|
|
return configError{Field: "resolver.tls.addr", Err: errors.New("empty resolver address")}
|
|
}
|
|
uOb = outbounds.NewStandardResolverTLS(c.Resolver.TLS.Addr, c.Resolver.TLS.Timeout, c.Resolver.TLS.SNI, c.Resolver.TLS.Insecure, uOb)
|
|
case "https", "http":
|
|
if c.Resolver.HTTPS.Addr == "" {
|
|
return configError{Field: "resolver.https.addr", Err: errors.New("empty resolver address")}
|
|
}
|
|
uOb = outbounds.NewDoHResolver(c.Resolver.HTTPS.Addr, c.Resolver.HTTPS.Timeout, c.Resolver.HTTPS.SNI, c.Resolver.HTTPS.Insecure, uOb)
|
|
default:
|
|
return configError{Field: "resolver.type", Err: errors.New("unsupported resolver type")}
|
|
}
|
|
|
|
// Speed test
|
|
if c.SpeedTest {
|
|
uOb = outbounds.NewSpeedtestHandler(uOb)
|
|
}
|
|
|
|
hyConfig.Outbound = &outbounds.PluggableOutboundAdapter{PluggableOutbound: uOb}
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillBandwidthConfig(hyConfig *server.Config) error {
|
|
var err error
|
|
if c.Bandwidth.Up != "" {
|
|
hyConfig.BandwidthConfig.MaxTx, err = utils.ConvBandwidth(c.Bandwidth.Up)
|
|
if err != nil {
|
|
return configError{Field: "bandwidth.up", Err: err}
|
|
}
|
|
}
|
|
if c.Bandwidth.Down != "" {
|
|
hyConfig.BandwidthConfig.MaxRx, err = utils.ConvBandwidth(c.Bandwidth.Down)
|
|
if err != nil {
|
|
return configError{Field: "bandwidth.down", Err: err}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillIgnoreClientBandwidth(hyConfig *server.Config) error {
|
|
hyConfig.IgnoreClientBandwidth = c.IgnoreClientBandwidth
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillDisableUDP(hyConfig *server.Config) error {
|
|
hyConfig.DisableUDP = c.DisableUDP
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillUDPIdleTimeout(hyConfig *server.Config) error {
|
|
hyConfig.UDPIdleTimeout = c.UDPIdleTimeout
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillAuthenticator(hyConfig *server.Config) error {
|
|
if c.Auth.Type == "" {
|
|
return configError{Field: "auth.type", Err: errors.New("empty auth type")}
|
|
}
|
|
switch strings.ToLower(c.Auth.Type) {
|
|
case "password":
|
|
if c.Auth.Password == "" {
|
|
return configError{Field: "auth.password", Err: errors.New("empty auth password")}
|
|
}
|
|
hyConfig.Authenticator = &auth.PasswordAuthenticator{Password: c.Auth.Password}
|
|
return nil
|
|
case "userpass":
|
|
if len(c.Auth.UserPass) == 0 {
|
|
return configError{Field: "auth.userpass", Err: errors.New("empty auth userpass")}
|
|
}
|
|
hyConfig.Authenticator = &auth.UserPassAuthenticator{Users: c.Auth.UserPass}
|
|
return nil
|
|
case "http", "https":
|
|
if c.Auth.HTTP.URL == "" {
|
|
return configError{Field: "auth.http.url", Err: errors.New("empty auth http url")}
|
|
}
|
|
hyConfig.Authenticator = auth.NewHTTPAuthenticator(c.Auth.HTTP.URL, c.Auth.HTTP.Insecure)
|
|
return nil
|
|
case "command", "cmd":
|
|
if c.Auth.Command == "" {
|
|
return configError{Field: "auth.command", Err: errors.New("empty auth command")}
|
|
}
|
|
hyConfig.Authenticator = &auth.CommandAuthenticator{Cmd: c.Auth.Command}
|
|
return nil
|
|
default:
|
|
return configError{Field: "auth.type", Err: errors.New("unsupported auth type")}
|
|
}
|
|
}
|
|
|
|
func (c *serverConfig) fillEventLogger(hyConfig *server.Config) error {
|
|
hyConfig.EventLogger = &serverLogger{}
|
|
return nil
|
|
}
|
|
|
|
func (c *serverConfig) fillTrafficLogger(hyConfig *server.Config) error {
|
|
if c.TrafficStats.Listen != "" {
|
|
tss := trafficlogger.NewTrafficStatsServer(c.TrafficStats.Secret)
|
|
hyConfig.TrafficLogger = tss
|
|
go runTrafficStatsServer(c.TrafficStats.Listen, tss)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// fillMasqHandler must be called after fillConn, as we may need to extract the QUIC
|
|
// port number from Conn for MasqTCPServer.
|
|
func (c *serverConfig) fillMasqHandler(hyConfig *server.Config) error {
|
|
var handler http.Handler
|
|
switch strings.ToLower(c.Masquerade.Type) {
|
|
case "", "404":
|
|
handler = http.NotFoundHandler()
|
|
case "file":
|
|
if c.Masquerade.File.Dir == "" {
|
|
return configError{Field: "masquerade.file.dir", Err: errors.New("empty file directory")}
|
|
}
|
|
handler = http.FileServer(http.Dir(c.Masquerade.File.Dir))
|
|
case "proxy":
|
|
if c.Masquerade.Proxy.URL == "" {
|
|
return configError{Field: "masquerade.proxy.url", Err: errors.New("empty proxy url")}
|
|
}
|
|
u, err := url.Parse(c.Masquerade.Proxy.URL)
|
|
if err != nil {
|
|
return configError{Field: "masquerade.proxy.url", Err: err}
|
|
}
|
|
handler = &httputil.ReverseProxy{
|
|
Rewrite: func(r *httputil.ProxyRequest) {
|
|
r.SetURL(u)
|
|
// SetURL rewrites the Host header,
|
|
// but we don't want that if rewriteHost is false
|
|
if !c.Masquerade.Proxy.RewriteHost {
|
|
r.Out.Host = r.In.Host
|
|
}
|
|
},
|
|
ErrorHandler: func(w http.ResponseWriter, r *http.Request, err error) {
|
|
logger.Error("HTTP reverse proxy error", zap.Error(err))
|
|
w.WriteHeader(http.StatusBadGateway)
|
|
},
|
|
}
|
|
case "string":
|
|
if c.Masquerade.String.Content == "" {
|
|
return configError{Field: "masquerade.string.content", Err: errors.New("empty string content")}
|
|
}
|
|
if c.Masquerade.String.StatusCode != 0 &&
|
|
(c.Masquerade.String.StatusCode < 200 ||
|
|
c.Masquerade.String.StatusCode > 599 ||
|
|
c.Masquerade.String.StatusCode == 233) {
|
|
// 233 is reserved for Hysteria authentication
|
|
return configError{Field: "masquerade.string.statusCode", Err: errors.New("invalid status code (must be 200-599, except 233)")}
|
|
}
|
|
handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
|
for k, v := range c.Masquerade.String.Headers {
|
|
w.Header().Set(k, v)
|
|
}
|
|
if c.Masquerade.String.StatusCode != 0 {
|
|
w.WriteHeader(c.Masquerade.String.StatusCode)
|
|
} else {
|
|
w.WriteHeader(http.StatusOK) // Use 200 OK by default
|
|
}
|
|
_, _ = w.Write([]byte(c.Masquerade.String.Content))
|
|
})
|
|
default:
|
|
return configError{Field: "masquerade.type", Err: errors.New("unsupported masquerade type")}
|
|
}
|
|
hyConfig.MasqHandler = &masqHandlerLogWrapper{H: handler, QUIC: true}
|
|
|
|
if c.Masquerade.ListenHTTP != "" || c.Masquerade.ListenHTTPS != "" {
|
|
if c.Masquerade.ListenHTTP != "" && c.Masquerade.ListenHTTPS == "" {
|
|
return configError{Field: "masquerade.listenHTTPS", Err: errors.New("having only HTTP server without HTTPS is not supported")}
|
|
}
|
|
s := masq.MasqTCPServer{
|
|
QUICPort: extractPortFromAddr(hyConfig.Conn.LocalAddr().String()),
|
|
HTTPSPort: extractPortFromAddr(c.Masquerade.ListenHTTPS),
|
|
Handler: &masqHandlerLogWrapper{H: handler, QUIC: false},
|
|
TLSConfig: &tls.Config{
|
|
Certificates: hyConfig.TLSConfig.Certificates,
|
|
GetCertificate: hyConfig.TLSConfig.GetCertificate,
|
|
},
|
|
ForceHTTPS: c.Masquerade.ForceHTTPS,
|
|
}
|
|
go runMasqTCPServer(&s, c.Masquerade.ListenHTTP, c.Masquerade.ListenHTTPS)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Config validates the fields and returns a ready-to-use Hysteria server config
|
|
func (c *serverConfig) Config() (*server.Config, error) {
|
|
hyConfig := &server.Config{}
|
|
fillers := []func(*server.Config) error{
|
|
c.fillConn,
|
|
c.fillTLSConfig,
|
|
c.fillQUICConfig,
|
|
c.fillRequestHook,
|
|
c.fillOutboundConfig,
|
|
c.fillBandwidthConfig,
|
|
c.fillIgnoreClientBandwidth,
|
|
c.fillDisableUDP,
|
|
c.fillUDPIdleTimeout,
|
|
c.fillAuthenticator,
|
|
c.fillEventLogger,
|
|
c.fillTrafficLogger,
|
|
c.fillMasqHandler,
|
|
}
|
|
for _, f := range fillers {
|
|
if err := f(hyConfig); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return hyConfig, nil
|
|
}
|
|
|
|
func runServer(cmd *cobra.Command, args []string) {
|
|
logger.Info("server mode")
|
|
|
|
if err := viper.ReadInConfig(); err != nil {
|
|
logger.Fatal("failed to read server config", zap.Error(err))
|
|
}
|
|
var config serverConfig
|
|
if err := viper.Unmarshal(&config); err != nil {
|
|
logger.Fatal("failed to parse server config", zap.Error(err))
|
|
}
|
|
hyConfig, err := config.Config()
|
|
if err != nil {
|
|
logger.Fatal("failed to load server config", zap.Error(err))
|
|
}
|
|
|
|
s, err := server.NewServer(hyConfig)
|
|
if err != nil {
|
|
logger.Fatal("failed to initialize server", zap.Error(err))
|
|
}
|
|
if config.Listen != "" {
|
|
logger.Info("server up and running", zap.String("listen", config.Listen))
|
|
} else {
|
|
logger.Info("server up and running", zap.String("listen", defaultListenAddr))
|
|
}
|
|
|
|
if !disableUpdateCheck {
|
|
go runCheckUpdateServer()
|
|
}
|
|
|
|
if err := s.Serve(); err != nil {
|
|
logger.Fatal("failed to serve", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func runTrafficStatsServer(listen string, handler http.Handler) {
|
|
logger.Info("traffic stats server up and running", zap.String("listen", listen))
|
|
if err := correctnet.HTTPListenAndServe(listen, handler); err != nil {
|
|
logger.Fatal("failed to serve traffic stats", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func runMasqTCPServer(s *masq.MasqTCPServer, httpAddr, httpsAddr string) {
|
|
errChan := make(chan error, 2)
|
|
if httpAddr != "" {
|
|
go func() {
|
|
logger.Info("masquerade HTTP server up and running", zap.String("listen", httpAddr))
|
|
errChan <- s.ListenAndServeHTTP(httpAddr)
|
|
}()
|
|
}
|
|
if httpsAddr != "" {
|
|
go func() {
|
|
logger.Info("masquerade HTTPS server up and running", zap.String("listen", httpsAddr))
|
|
errChan <- s.ListenAndServeHTTPS(httpsAddr)
|
|
}()
|
|
}
|
|
err := <-errChan
|
|
if err != nil {
|
|
logger.Fatal("failed to serve masquerade HTTP(S)", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func geoDownloadFunc(filename, url string) {
|
|
logger.Info("downloading database", zap.String("filename", filename), zap.String("url", url))
|
|
}
|
|
|
|
func geoDownloadErrFunc(err error) {
|
|
if err != nil {
|
|
logger.Error("failed to download database", zap.Error(err))
|
|
}
|
|
}
|
|
|
|
type serverLogger struct{}
|
|
|
|
func (l *serverLogger) Connect(addr net.Addr, id string, tx uint64) {
|
|
logger.Info("client connected", zap.String("addr", addr.String()), zap.String("id", id), zap.Uint64("tx", tx))
|
|
}
|
|
|
|
func (l *serverLogger) Disconnect(addr net.Addr, id string, err error) {
|
|
logger.Info("client disconnected", zap.String("addr", addr.String()), zap.String("id", id), zap.Error(err))
|
|
}
|
|
|
|
func (l *serverLogger) TCPRequest(addr net.Addr, id, reqAddr string) {
|
|
logger.Debug("TCP request", zap.String("addr", addr.String()), zap.String("id", id), zap.String("reqAddr", reqAddr))
|
|
}
|
|
|
|
func (l *serverLogger) TCPError(addr net.Addr, id, reqAddr string, err error) {
|
|
if err == nil {
|
|
logger.Debug("TCP closed", zap.String("addr", addr.String()), zap.String("id", id), zap.String("reqAddr", reqAddr))
|
|
} else {
|
|
logger.Warn("TCP error", zap.String("addr", addr.String()), zap.String("id", id), zap.String("reqAddr", reqAddr), zap.Error(err))
|
|
}
|
|
}
|
|
|
|
func (l *serverLogger) UDPRequest(addr net.Addr, id string, sessionID uint32, reqAddr string) {
|
|
logger.Debug("UDP request", zap.String("addr", addr.String()), zap.String("id", id), zap.Uint32("sessionID", sessionID), zap.String("reqAddr", reqAddr))
|
|
}
|
|
|
|
func (l *serverLogger) UDPError(addr net.Addr, id string, sessionID uint32, err error) {
|
|
if err == nil {
|
|
logger.Debug("UDP closed", zap.String("addr", addr.String()), zap.String("id", id), zap.Uint32("sessionID", sessionID))
|
|
} else {
|
|
logger.Warn("UDP error", zap.String("addr", addr.String()), zap.String("id", id), zap.Uint32("sessionID", sessionID), zap.Error(err))
|
|
}
|
|
}
|
|
|
|
type masqHandlerLogWrapper struct {
|
|
H http.Handler
|
|
QUIC bool
|
|
}
|
|
|
|
func (m *masqHandlerLogWrapper) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
logger.Debug("masquerade request",
|
|
zap.String("addr", r.RemoteAddr),
|
|
zap.String("method", r.Method),
|
|
zap.String("host", r.Host),
|
|
zap.String("url", r.URL.String()),
|
|
zap.Bool("quic", m.QUIC))
|
|
m.H.ServeHTTP(w, r)
|
|
}
|
|
|
|
func extractPortFromAddr(addr string) int {
|
|
_, portStr, err := net.SplitHostPort(addr)
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
port, err := strconv.Atoi(portStr)
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
return port
|
|
}
|