mirror of
https://github.com/bolucat/Archive.git
synced 2025-09-26 20:21:35 +08:00
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright (c) 2016-present Cloud <cloud@txthinking.com>
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of version 3 of the GNU General Public
|
|
// License as published by the Free Software Foundation.
|
|
//
|
|
// This program is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package brook
|
|
|
|
import (
|
|
"net"
|
|
"time"
|
|
|
|
"github.com/miekg/dns"
|
|
)
|
|
|
|
var DNSGate func(addr *net.UDPAddr, m *dns.Msg, l1 *net.UDPConn) (done bool, err error) = func(addr *net.UDPAddr, m *dns.Msg, l1 *net.UDPConn) (done bool, err error) {
|
|
if m.Question[0].Qtype == dns.TypeHTTPS || m.Question[0].Qtype == dns.TypeSVCB {
|
|
m1 := &dns.Msg{}
|
|
m1.SetReply(m)
|
|
m1.Authoritative = true
|
|
m1.Answer = append(m1.Answer, &dns.SOA{
|
|
Hdr: dns.RR_Header{Name: m.Question[0].Name, Rrtype: dns.TypeSOA, Class: dns.ClassINET, Ttl: 60},
|
|
Ns: "txthinking.com.",
|
|
Mbox: "cloud.txthinking.com.",
|
|
Serial: uint32((time.Now().Year() * 10000) + (int(time.Now().Month()) * 100) + (time.Now().Day())*100),
|
|
Refresh: 21600,
|
|
Retry: 3600,
|
|
Expire: 259200,
|
|
Minttl: 300,
|
|
})
|
|
m1b, err := m1.PackBuffer(nil)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
if _, err := l1.WriteToUDP(m1b, addr); err != nil {
|
|
return false, err
|
|
}
|
|
return true, nil
|
|
}
|
|
return false, nil
|
|
}
|