mirror of
https://github.com/MetaCubeX/Clash.Meta.git
synced 2025-04-19 08:40:57 +00:00
1739283a27
1. rule match, use network type TCP and domain to match rule, result is one of proxy, direct, reject 2. add fakeip dns server, use config in fake-ip-range
61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
package dns
|
|
|
|
import (
|
|
stdCtx "context"
|
|
"strings"
|
|
|
|
"github.com/metacubex/mihomo/component/fakeip"
|
|
"github.com/metacubex/mihomo/component/resolver"
|
|
D "github.com/miekg/dns"
|
|
)
|
|
|
|
type fakeIPclient struct {
|
|
back dnsClient
|
|
}
|
|
|
|
var _ dnsClient = &fakeIPclient{}
|
|
|
|
func newFakeIPClient(back dnsClient) *fakeIPclient {
|
|
return &fakeIPclient{back: back}
|
|
}
|
|
|
|
func (f *fakeIPclient) ExchangeContext(ctx stdCtx.Context, r *D.Msg) (*D.Msg, error) {
|
|
q := r.Question[0]
|
|
host := strings.TrimRight(q.Name, ".")
|
|
|
|
// todo unify
|
|
switch q.Qtype {
|
|
case D.TypeAAAA, D.TypeSVCB, D.TypeHTTPS:
|
|
return handleMsgWithEmptyAnswer(r), nil
|
|
}
|
|
|
|
if q.Qtype != D.TypeA {
|
|
return f.back.ExchangeContext(ctx, r)
|
|
}
|
|
|
|
fakeip := resolver.DefaultHostMapper.(*ResolverEnhancer).fakePool
|
|
|
|
msg := fakeipExchange(q, fakeip, host, r)
|
|
return msg, nil
|
|
}
|
|
|
|
func fakeipExchange(q D.Question, fakePool *fakeip.Pool, host string, r *D.Msg) *D.Msg {
|
|
rr := &D.A{}
|
|
rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeA, Class: D.ClassINET, Ttl: dnsDefaultTTL}
|
|
ip := fakePool.Lookup(host)
|
|
rr.A = ip.AsSlice()
|
|
msg := r.Copy()
|
|
msg.Answer = []D.RR{rr}
|
|
|
|
setMsgTTL(msg, 1)
|
|
msg.SetRcode(r, D.RcodeSuccess)
|
|
msg.Authoritative = true
|
|
msg.RecursionAvailable = true
|
|
return msg
|
|
}
|
|
|
|
func (r fakeIPclient) Address() string {
|
|
return "fakeip://" + r.back.Address()
|
|
}
|
|
|
|
func (r fakeIPclient) ResetConnection() {}
|