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63 lines
1.5 KiB
Go
63 lines
1.5 KiB
Go
package inbound
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import (
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"net"
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"net/http"
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"net/netip"
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"strings"
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C "github.com/metacubex/mihomo/constant"
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"github.com/metacubex/mihomo/transport/socks5"
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)
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func parseSocksAddr(target socks5.Addr) *C.Metadata {
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metadata := &C.Metadata{}
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switch target[0] {
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case socks5.AtypDomainName:
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// trim for FQDN
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metadata.Host = strings.TrimRight(string(target[2:2+target[1]]), ".")
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metadata.DstPort = uint16((int(target[2+target[1]]) << 8) | int(target[2+target[1]+1]))
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case socks5.AtypIPv4:
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metadata.DstIP, _ = netip.AddrFromSlice(target[1 : 1+net.IPv4len])
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metadata.DstPort = uint16((int(target[1+net.IPv4len]) << 8) | int(target[1+net.IPv4len+1]))
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case socks5.AtypIPv6:
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metadata.DstIP, _ = netip.AddrFromSlice(target[1 : 1+net.IPv6len])
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metadata.DstPort = uint16((int(target[1+net.IPv6len]) << 8) | int(target[1+net.IPv6len+1]))
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}
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metadata.DstIP = metadata.DstIP.Unmap()
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return metadata
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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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// trim FQDN (#737)
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host = strings.TrimRight(host, ".")
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metadata := &C.Metadata{}
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_ = metadata.SetRemoteAddress(net.JoinHostPort(host, port))
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return metadata
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}
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func prefixesContains(prefixes []netip.Prefix, addr netip.Addr) bool {
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if len(prefixes) == 0 {
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return false
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}
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if !addr.IsValid() {
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return false
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}
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addr = addr.Unmap().WithZone("") // netip.Prefix.Contains returns false if ip has an IPv6 zone
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for _, prefix := range prefixes {
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if prefix.Contains(addr) {
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return true
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}
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}
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return false
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}
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