mirror of https://github.com/Dreamacro/clash.git
72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package adapters
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import (
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"net"
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"net/http"
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"strconv"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/go-shadowsocks2/socks"
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)
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func parseSocksAddr(target socks.Addr) *C.Metadata {
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var host, port string
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var ip net.IP
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switch target[0] {
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case socks.AtypDomainName:
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host = string(target[2 : 2+target[1]])
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port = strconv.Itoa((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
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ipAddr, err := net.ResolveIPAddr("ip", host)
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if err == nil {
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ip = ipAddr.IP
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}
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case socks.AtypIPv4:
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ip = net.IP(target[1 : 1+net.IPv4len])
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port = strconv.Itoa((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
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case socks.AtypIPv6:
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ip = net.IP(target[1 : 1+net.IPv6len])
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port = strconv.Itoa((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
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}
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return &C.Metadata{
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NetWork: C.TCP,
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AddrType: int(target[0]),
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Host: host,
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IP: &ip,
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Port: port,
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}
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}
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func parseHTTPAddr(request *http.Request) *C.Metadata {
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host := request.URL.Hostname()
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port := request.URL.Port()
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if port == "" {
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port = "80"
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}
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ipAddr, err := net.ResolveIPAddr("ip", host)
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var resolveIP *net.IP
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if err == nil {
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resolveIP = &ipAddr.IP
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}
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var addType int
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ip := net.ParseIP(host)
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switch {
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case ip == nil:
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addType = socks.AtypDomainName
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case ip.To4() == nil:
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addType = socks.AtypIPv6
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default:
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addType = socks.AtypIPv4
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}
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return &C.Metadata{
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NetWork: C.TCP,
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AddrType: addType,
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Host: host,
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IP: resolveIP,
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Port: port,
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}
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}
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