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Published: Apr 25, 2024 License: GPL-3.0 Imports: 21 Imported by: 0

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Index

Constants

View Source
const (
	DefaultTCPTimeout = dialer.DefaultTCPTimeout
	DefaultUDPTimeout = dialer.DefaultUDPTimeout
	DefaultDropTime   = 12 * DefaultTCPTimeout
	DefaultTLSTimeout = DefaultTCPTimeout
	DefaultTestURL    = "https://www.gstatic.com/generate_204"
)
View Source
const (
	BpfFSPath = "/sys/fs/bpf/yiclashcore"

	TcpAutoRedirPort       = 't'<<8 | 'r'<<0
	YiClashCoreTrafficMark = 'c'<<24 | 'l'<<16 | 't'<<8 | 'm'<<0
)
View Source
const Name = "yiclashcore"

Variables

View Source
var (
	ASNEnable         bool
	GeodataMode       bool
	GeoAutoUpdate     bool
	GeoUpdateInterval int
	GeoIpUrl          string
	MmdbUrl           string
	GeoSiteUrl        string
	ASNUrl            string
)
View Source
var (
	GeositeName = "GeoSite.dat"
	GeoipName   = "GeoIP.dat"
	ASNName     = "ASN.mmdb"
)
View Source
var (
	Meta            = true
	Version         = "1.10.0"
	BuildTime       = "unknown time"
	YiClashCoreName = "yiclashcore"
)
View Source
var DNSModeMapping = map[string]DNSMode{
	DNSNormal.String():  DNSNormal,
	DNSFakeIP.String():  DNSFakeIP,
	DNSMapping.String(): DNSMapping,
}

DNSModeMapping is a mapping for EnhancedMode enum

View Source
var ErrNotSupport = errors.New("no support")
View Source
var Path = func() *path {
	homeDir, err := os.UserHomeDir()
	if err != nil {
		homeDir, _ = os.Getwd()
	}
	allowUnsafePath, _ := strconv.ParseBool(os.Getenv("SKIP_SAFE_PATH_CHECK"))
	homeDir = P.Join(homeDir, ".config", Name)

	if _, err = os.Stat(homeDir); err != nil {
		if configHome, ok := os.LookupEnv("XDG_CONFIG_HOME"); ok {
			homeDir = P.Join(configHome, Name)
		}
	}

	return &path{homeDir: homeDir, configFile: "config.yaml", allowUnsafePath: allowUnsafePath}
}()

Path is used to get the configuration path

on Unix systems, `$HOME/.config/yiclashcore`. on Windows, `%USERPROFILE%/.config/yiclashcore`.

View Source
var StackTypeMapping = map[string]TUNStack{
	strings.ToLower(TunGvisor.String()): TunGvisor,
	strings.ToLower(TunSystem.String()): TunSystem,
	strings.ToLower(TunMixed.String()):  TunMixed,
}
View Source
var (
	UA string
)

Functions

func SetConfig

func SetConfig(file string)

SetConfig is used to set the configuration file

func SetHomeDir

func SetHomeDir(root string)

SetHomeDir is used to set the configuration path

Types

type AdapterType

type AdapterType int

AdapterType is enum of adapter type

const (
	Direct AdapterType = iota
	Reject
	RejectDrop
	Compatible
	Pass
	Dns

	Relay
	Selector
	Fallback
	URLTest
	LoadBalance

	Shadowsocks
	ShadowsocksR
	Snell
	Socks5
	Http
	Vmess
	Vless
	Trojan
	Hysteria
	Hysteria2
	WireGuard
	Tuic
	Ssh
)

Adapter Type

func (AdapterType) String

func (at AdapterType) String() string

type Chain

type Chain []string

func (Chain) Last

func (c Chain) Last() string

func (Chain) String

func (c Chain) String() string

type Conn

type Conn interface {
	N.ExtendedConn
	Connection
}

type ConnContext

type ConnContext interface {
	PlainContext
	Metadata() *Metadata
	Conn() *N.BufferedConn
}

type Connection

type Connection interface {
	Chains() Chain
	AppendToChains(adapter ProxyAdapter)
	RemoteDestination() string
}

type DNSMode

type DNSMode int
const (
	DNSNormal DNSMode = iota
	DNSFakeIP
	DNSMapping
	DNSHosts
)

func (DNSMode) MarshalJSON

func (e DNSMode) MarshalJSON() ([]byte, error)

MarshalJSON serialize EnhancedMode with json

func (DNSMode) MarshalYAML

func (e DNSMode) MarshalYAML() (any, error)

MarshalYAML serialize EnhancedMode with yaml

func (DNSMode) String

func (e DNSMode) String() string

func (*DNSMode) UnmarshalJSON

func (e *DNSMode) UnmarshalJSON(data []byte) error

UnmarshalJSON unserialize EnhancedMode with json

func (*DNSMode) UnmarshalYAML

func (e *DNSMode) UnmarshalYAML(unmarshal func(any) error) error

UnmarshalYAML unserialize EnhancedMode with yaml

type DNSPrefer

type DNSPrefer int
const (
	DualStack DNSPrefer = iota
	IPv4Only
	IPv6Only
	IPv4Prefer
	IPv6Prefer
)

func NewDNSPrefer

func NewDNSPrefer(prefer string) DNSPrefer

func (DNSPrefer) String

func (d DNSPrefer) String() string

type DelayHistory

type DelayHistory struct {
	Time  time.Time `json:"time"`
	Delay uint16    `json:"delay"`
}

type DelayHistoryStoreType

type DelayHistoryStoreType int

type Dialer

type Dialer interface {
	DialContext(ctx context.Context, network, address string) (net.Conn, error)
	ListenPacket(ctx context.Context, network, address string, rAddrPort netip.AddrPort) (net.PacketConn, error)
}

type EBpf

type EBpf interface {
	Start() error
	Close()
	Lookup(srcAddrPort netip.AddrPort) (socks5.Addr, error)
}

type Group

type Group interface {
	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (mp map[string]uint16, err error)
	GetProxies(touch bool) []Proxy
	Touch()
}

type HTTPVersion

type HTTPVersion string
const (
	// HTTPVersion11 is HTTP/1.1.
	HTTPVersion11 HTTPVersion = "http/1.1"
	// HTTPVersion2 is HTTP/2.
	HTTPVersion2 HTTPVersion = "h2"
	// HTTPVersion3 is HTTP/3.
	HTTPVersion3 HTTPVersion = "h3"
)

type InboundConfig

type InboundConfig interface {
	Name() string
	Equal(config InboundConfig) bool
}

type InboundListener

type InboundListener interface {
	Name() string
	Listen(tunnel Tunnel) error
	Close() error
	Address() string
	RawAddress() string
	Config() InboundConfig
}

type Listener

type Listener interface {
	RawAddress() string
	Address() string
	Close() error
}

type Metadata

type Metadata struct {
	NetWork      NetWork    `json:"network"`
	Type         Type       `json:"type"`
	SrcIP        netip.Addr `json:"sourceIP"`
	DstIP        netip.Addr `json:"destinationIP"`
	DstGeoIP     []string   `json:"destinationGeoIP"` // can be nil if never queried, empty slice if got no result
	DstIPASN     string     `json:"destinationIPASN"`
	SrcPort      uint16     `json:"sourcePort,string"`      // `,string` is used to compatible with old version json output
	DstPort      uint16     `json:"destinationPort,string"` // `,string` is used to compatible with old version json output
	InIP         netip.Addr `json:"inboundIP"`
	InPort       uint16     `json:"inboundPort,string"` // `,string` is used to compatible with old version json output
	InName       string     `json:"inboundName"`
	InUser       string     `json:"inboundUser"`
	Host         string     `json:"host"`
	DNSMode      DNSMode    `json:"dnsMode"`
	Uid          uint32     `json:"uid"`
	Process      string     `json:"process"`
	ProcessPath  string     `json:"processPath"`
	SpecialProxy string     `json:"specialProxy"`
	SpecialRules string     `json:"specialRules"`
	RemoteDst    string     `json:"remoteDestination"`
	DSCP         uint8      `json:"dscp"`

	RawSrcAddr net.Addr `json:"-"`
	RawDstAddr net.Addr `json:"-"`
	// Only domain rule
	SniffHost string `json:"sniffHost"`
}

Metadata is used to store connection address

func (*Metadata) AddrPort

func (m *Metadata) AddrPort() netip.AddrPort

func (*Metadata) AddrType

func (m *Metadata) AddrType() int

func (*Metadata) Pure

func (m *Metadata) Pure() *Metadata

Pure is used to solve unexpected behavior when dialing proxy connection in DNSMapping mode.

func (*Metadata) RemoteAddress

func (m *Metadata) RemoteAddress() string

func (*Metadata) Resolved

func (m *Metadata) Resolved() bool

func (*Metadata) RuleHost

func (m *Metadata) RuleHost() string

func (*Metadata) SetRemoteAddr

func (m *Metadata) SetRemoteAddr(addr net.Addr) error

func (*Metadata) SetRemoteAddress

func (m *Metadata) SetRemoteAddress(rawAddress string) error

func (*Metadata) SourceAddrPort

func (m *Metadata) SourceAddrPort() netip.AddrPort

func (*Metadata) SourceAddress

func (m *Metadata) SourceAddress() string

func (*Metadata) SourceDetail

func (m *Metadata) SourceDetail() string

func (*Metadata) SourceValid

func (m *Metadata) SourceValid() bool

func (*Metadata) String

func (m *Metadata) String() string

func (*Metadata) UDPAddr

func (m *Metadata) UDPAddr() *net.UDPAddr

func (*Metadata) Valid

func (m *Metadata) Valid() bool

type MultiAddrListener

type MultiAddrListener interface {
	Close() error
	Config() string
	AddrList() (addrList []net.Addr)
}

type NatTable

type NatTable interface {
	Set(key string, e PacketConn, w WriteBackProxy)

	Get(key string) (PacketConn, WriteBackProxy)

	GetOrCreateLock(key string) (*sync.Cond, bool)

	Delete(key string)

	DeleteLock(key string)

	GetForLocalConn(lAddr, rAddr string) *net.UDPConn

	AddForLocalConn(lAddr, rAddr string, conn *net.UDPConn) bool

	RangeForLocalConn(lAddr string, f func(key string, value *net.UDPConn) bool)

	GetOrCreateLockForLocalConn(lAddr string, key string) (*sync.Cond, bool)

	DeleteForLocalConn(lAddr, key string)

	DeleteLockForLocalConn(lAddr, key string)
}

type NetWork

type NetWork int
const (
	TCP NetWork = iota
	UDP
	ALLNet
	InvalidNet = 0xff
)

Socks addr type

func (NetWork) MarshalJSON

func (n NetWork) MarshalJSON() ([]byte, error)

func (NetWork) String

func (n NetWork) String() string

type PacketAdapter

type PacketAdapter interface {
	UDPPacket
	Metadata() *Metadata
}

PacketAdapter is a UDP Packet adapter for socks/redir/tun

func NewPacketAdapter

func NewPacketAdapter(packet UDPPacket, metadata *Metadata) PacketAdapter

type PacketConn

type PacketConn interface {
	N.EnhancePacketConn
	Connection
}

type PacketConnContext

type PacketConnContext interface {
	PlainContext
	Metadata() *Metadata
	PacketConn() net.PacketConn
}

type PlainContext

type PlainContext interface {
	ID() uuid.UUID
}

type Proxy

type Proxy interface {
	ProxyAdapter
	AliveForTestUrl(url string) bool
	DelayHistory() []DelayHistory
	ExtraDelayHistories() map[string]ProxyState
	LastDelayForTestUrl(url string) uint16
	URLTest(ctx context.Context, url string, expectedStatus utils.IntRanges[uint16]) (uint16, error)

	// Deprecated: use DialContext instead.
	Dial(metadata *Metadata) (Conn, error)

	// Deprecated: use DialPacketConn instead.
	DialUDP(metadata *Metadata) (PacketConn, error)
}

type ProxyAdapter

type ProxyAdapter interface {
	Name() string
	Type() AdapterType
	Addr() string
	SupportUDP() bool
	SupportXUDP() bool
	SupportTFO() bool
	MarshalJSON() ([]byte, error)

	// Deprecated: use DialContextWithDialer and ListenPacketWithDialer instead.
	// StreamConn wraps a protocol around net.Conn with Metadata.
	//
	// Examples:
	//	conn, _ := net.DialContext(context.Background(), "tcp", "host:port")
	//	conn, _ = adapter.StreamConnContext(context.Background(), conn, metadata)
	//
	// It returns a C.Conn with protocol which start with
	// a new session (if any)
	StreamConnContext(ctx context.Context, c net.Conn, metadata *Metadata) (net.Conn, error)

	// DialContext return a C.Conn with protocol which
	// contains multiplexing-related reuse logic (if any)
	DialContext(ctx context.Context, metadata *Metadata, opts ...dialer.Option) (Conn, error)
	ListenPacketContext(ctx context.Context, metadata *Metadata, opts ...dialer.Option) (PacketConn, error)

	// SupportUOT return UDP over TCP support
	SupportUOT() bool

	SupportWithDialer() NetWork
	DialContextWithDialer(ctx context.Context, dialer Dialer, metadata *Metadata) (Conn, error)
	ListenPacketWithDialer(ctx context.Context, dialer Dialer, metadata *Metadata) (PacketConn, error)

	// IsL3Protocol return ProxyAdapter working in L3 (tell dns module not pass the domain to avoid loopback)
	IsL3Protocol(metadata *Metadata) bool

	// Unwrap extracts the proxy from a proxy-group. It returns nil when nothing to extract.
	Unwrap(metadata *Metadata, touch bool) Proxy
}

type ProxyState

type ProxyState struct {
	Alive   bool           `json:"alive"`
	History []DelayHistory `json:"history"`
}

type Rule

type Rule interface {
	RuleType() RuleType
	Match(metadata *Metadata) (bool, string)
	Adapter() string
	Payload() string
	ShouldResolveIP() bool
	ShouldFindProcess() bool
}

type RuleGeoIP

type RuleGeoIP interface {
	GetIPMatcher() *router.GeoIPMatcher
}

type RuleGeoSite

type RuleGeoSite interface {
	GetDomainMatcher() router.DomainMatcher
}

type RuleGroup

type RuleGroup interface {
	GetRecodeSize() int
}

type RuleType

type RuleType int
const (
	Domain RuleType = iota
	DomainSuffix
	DomainKeyword
	DomainRegex
	GEOSITE
	GEOIP
	SrcGEOIP
	IPASN
	SrcIPASN
	IPCIDR
	SrcIPCIDR
	IPSuffix
	SrcIPSuffix
	SrcPort
	DstPort
	InPort
	DSCP
	InUser
	InName
	InType
	Process
	ProcessPath
	RuleSet
	Network
	Uid
	SubRules
	MATCH
	AND
	OR
	NOT
)

Rule Type

func (RuleType) String

func (rt RuleType) String() string

type TUNStack

type TUNStack int
const (
	TunGvisor TUNStack = iota
	TunSystem
	TunMixed
)

func (TUNStack) MarshalJSON

func (e TUNStack) MarshalJSON() ([]byte, error)

MarshalJSON serialize TUNStack with json

func (TUNStack) MarshalYAML

func (e TUNStack) MarshalYAML() (any, error)

MarshalYAML serialize TUNStack with yaml

func (TUNStack) String

func (e TUNStack) String() string

func (*TUNStack) UnmarshalJSON

func (e *TUNStack) UnmarshalJSON(data []byte) error

UnmarshalJSON unserialize TUNStack with json

func (*TUNStack) UnmarshalYAML

func (e *TUNStack) UnmarshalYAML(unmarshal func(any) error) error

UnmarshalYAML unserialize TUNStack with yaml

type Tunnel

type Tunnel interface {
	// HandleTCPConn will handle a tcp connection blocking
	HandleTCPConn(conn net.Conn, metadata *Metadata)
	// HandleUDPPacket will handle a udp packet nonblocking
	HandleUDPPacket(packet UDPPacket, metadata *Metadata)
	// NatTable return nat table
	NatTable() NatTable
}

type Type

type Type int
const (
	HTTP Type = iota
	HTTPS
	SOCKS4
	SOCKS5
	SHADOWSOCKS
	VMESS
	REDIR
	TPROXY
	TUNNEL
	TUN
	TUIC
	HYSTERIA2
	INNER
)

func ParseType

func ParseType(t string) (*Type, error)

func (Type) MarshalJSON

func (t Type) MarshalJSON() ([]byte, error)

func (Type) String

func (t Type) String() string

type UDPPacket

type UDPPacket interface {
	// Data get the payload of UDP Packet
	Data() []byte

	// WriteBack writes the payload with source IP/Port equals addr
	// - variable source IP/Port is important to STUN
	// - if addr is not provided, WriteBack will write out UDP packet with SourceIP/Port equals to original Target,
	//   this is important when using Fake-IP.
	WriteBack

	// Drop call after packet is used, could recycle buffer in this function.
	Drop()

	// LocalAddr returns the source IP/Port of packet
	LocalAddr() net.Addr
}

UDPPacket contains the data of UDP packet, and offers control/info of UDP packet's source

type UDPPacketInAddr

type UDPPacketInAddr interface {
	InAddr() net.Addr
}

type WriteBack

type WriteBack interface {
	WriteBack(b []byte, addr net.Addr) (n int, err error)
}

type WriteBackProxy

type WriteBackProxy interface {
	WriteBack
	UpdateWriteBack(wb WriteBack)
}

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