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# Conflicts: # .github/workflows/codeql-analysis.yml # .github/workflows/linter.yml # .github/workflows/release.yml # Makefile # README.md # adapter/outbound/vless.go # component/geodata/memconservative/cache.go # component/geodata/router/condition.go # component/geodata/router/condition_geoip.go # component/geodata/standard/standard.go # component/geodata/utils.go # config/config.go # config/initial.go # constant/metadata.go # constant/path.go # constant/rule.go # constant/rule_extra.go # dns/client.go # dns/filters.go # dns/resolver.go # go.mod # go.sum # hub/executor/executor.go # hub/route/configs.go # listener/listener.go # listener/tproxy/tproxy_linux_iptables.go # listener/tun/dev/dev.go # listener/tun/dev/dev_darwin.go # listener/tun/dev/dev_linux.go # listener/tun/dev/dev_windows.go # listener/tun/dev/wintun/config.go # listener/tun/dev/wintun/dll_windows.go # listener/tun/dev/wintun/session_windows.go # listener/tun/dev/wintun/wintun_windows.go # listener/tun/ipstack/commons/dns.go # listener/tun/ipstack/gvisor/tun.go # listener/tun/ipstack/gvisor/tundns.go # listener/tun/ipstack/gvisor/utils.go # listener/tun/ipstack/stack_adapter.go # listener/tun/ipstack/system/dns.go # listener/tun/ipstack/system/tcp.go # listener/tun/ipstack/system/tun.go # listener/tun/tun_adapter.go # main.go # rule/common/base.go # rule/common/domain.go # rule/common/domain_keyword.go # rule/common/domain_suffix.go # rule/common/final.go # rule/common/geoip.go # rule/common/geosite.go # rule/common/ipcidr.go # rule/common/port.go # rule/parser.go # rule/process.go # test/go.mod # test/go.sum # transport/vless/xtls.go # tunnel/tunnel.go
153 lines
2.7 KiB
Go
153 lines
2.7 KiB
Go
package constant
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import (
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"encoding/json"
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"fmt"
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"net"
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"strconv"
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)
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// Socks addr type
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const (
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AtypIPv4 = 1
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AtypDomainName = 3
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AtypIPv6 = 4
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TCP NetWork = iota
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UDP
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ALLNet
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HTTP Type = iota
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HTTPCONNECT
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SOCKS4
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SOCKS5
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REDIR
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TPROXY
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TUN
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INNER
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)
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type NetWork int
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func (n NetWork) String() string {
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if n == TCP {
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return "tcp"
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} else if n == UDP {
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return "udp"
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}
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return "all"
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}
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func (n NetWork) MarshalJSON() ([]byte, error) {
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return json.Marshal(n.String())
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}
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type Type int
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func (t Type) String() string {
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switch t {
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case HTTP:
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return "HTTP"
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case HTTPCONNECT:
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return "HTTP Connect"
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case SOCKS4:
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return "Socks4"
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case SOCKS5:
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return "Socks5"
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case REDIR:
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return "Redir"
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case TPROXY:
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return "TProxy"
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case TUN:
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return "Tun"
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case INNER:
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return "Inner"
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default:
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return "Unknown"
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}
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}
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func (t Type) MarshalJSON() ([]byte, error) {
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return json.Marshal(t.String())
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}
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// Metadata is used to store connection address
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type Metadata struct {
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NetWork NetWork `json:"network"`
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Type Type `json:"type"`
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SrcIP net.IP `json:"sourceIP"`
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DstIP net.IP `json:"destinationIP"`
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SrcPort string `json:"sourcePort"`
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DstPort string `json:"destinationPort"`
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AddrType int `json:"-"`
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Host string `json:"host"`
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DNSMode DNSMode `json:"dnsMode"`
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Process string `json:"process"`
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ProcessPath string `json:"processPath"`
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}
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func (m *Metadata) RemoteAddress() string {
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return net.JoinHostPort(m.String(), m.DstPort)
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}
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func (m *Metadata) SourceAddress() string {
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return net.JoinHostPort(m.SrcIP.String(), m.SrcPort)
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}
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func (m *Metadata) SourceDetail() string {
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if m.Process != "" {
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return fmt.Sprintf("%s(%s)", m.SourceAddress(), m.Process)
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} else {
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if m.Type == INNER {
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return fmt.Sprintf("[Clash]")
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}
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return fmt.Sprintf("%s", m.SourceAddress())
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}
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}
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func (m *Metadata) Resolved() bool {
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return m.DstIP != nil
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}
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// Pure is used to solve unexpected behavior
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// when dialing proxy connection in DNSMapping mode.
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func (m *Metadata) Pure() *Metadata {
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if m.DNSMode == DNSMapping && m.DstIP != nil {
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copy := *m
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copy.Host = ""
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if copy.DstIP.To4() != nil {
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copy.AddrType = AtypIPv4
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} else {
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copy.AddrType = AtypIPv6
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}
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return ©
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}
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return m
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}
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func (m *Metadata) UDPAddr() *net.UDPAddr {
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if m.NetWork != UDP || m.DstIP == nil {
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return nil
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}
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port, _ := strconv.ParseUint(m.DstPort, 10, 16)
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return &net.UDPAddr{
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IP: m.DstIP,
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Port: int(port),
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}
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}
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func (m *Metadata) String() string {
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if m.Host != "" {
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return m.Host
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} else if m.DstIP != nil {
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return m.DstIP.String()
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} else {
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return "<nil>"
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}
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}
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func (m *Metadata) Valid() bool {
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return m.Host != "" || m.DstIP != nil
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}
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