send query to all upstream server
parent
5cae50d369
commit
783790557e
@ -0,0 +1,527 @@
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|
||||
"193.239.132.44": 1,
|
||||
"193.48.96.218": 1,
|
||||
"193.57.244.117": 1,
|
||||
"193.91.26.132": 1,
|
||||
"194.149.250.20": 1,
|
||||
"194.185.115.1": 1,
|
||||
"194.187.94.6": 1,
|
||||
"194.67.144.70": 1,
|
||||
"195.146.235.33": 1,
|
||||
"195.149.210.211": 1,
|
||||
"195.154.243.151": 1,
|
||||
"195.191.149.103": 1,
|
||||
"195.2.88.68": 1,
|
||||
"195.211.72.200": 1,
|
||||
"195.43.82.170": 1,
|
||||
"195.49.201.30": 1,
|
||||
"195.50.195.15": 1,
|
||||
"195.74.38.62": 1,
|
||||
"195.74.78.21": 1,
|
||||
"195.77.241.242": 1,
|
||||
"195.8.125.64": 1,
|
||||
"197.4.4.12": 1,
|
||||
"198.143.143.36": 1,
|
||||
"198.57.205.133": 1,
|
||||
"198.57.222.88": 1,
|
||||
"198.58.124.68": 1,
|
||||
"199.167.31.142": 1,
|
||||
"199.21.68.222": 1,
|
||||
"199.79.63.83": 1,
|
||||
"200.229.206.115": 1,
|
||||
"200.98.234.14": 1,
|
||||
"201.77.211.143": 1,
|
||||
"202.106.1.2": 1,
|
||||
"202.181.7.85": 1,
|
||||
"202.218.219.10": 1,
|
||||
"202.6.96.25": 1,
|
||||
"203.113.173.22": 1,
|
||||
"203.133.238.172": 1,
|
||||
"203.161.230.171": 1,
|
||||
"203.199.57.81": 1,
|
||||
"203.98.7.65": 1,
|
||||
"206.108.51.91": 1,
|
||||
"206.113.150.70": 1,
|
||||
"207.12.88.98": 1,
|
||||
"207.126.59.27": 1,
|
||||
"207.140.149.247": 1,
|
||||
"207.58.177.166": 1,
|
||||
"208.109.138.55": 1,
|
||||
"208.109.205.232": 1,
|
||||
"208.112.102.122": 1,
|
||||
"208.43.134.107": 1,
|
||||
"208.43.33.194": 1,
|
||||
"208.56.31.43": 1,
|
||||
"208.73.211.164": 1,
|
||||
"208.86.154.112": 1,
|
||||
"208.93.0.150": 1,
|
||||
"209.116.71.109": 1,
|
||||
"209.126.106.182": 1,
|
||||
"209.141.48.35": 1,
|
||||
"209.145.54.50": 1,
|
||||
"209.188.7.186": 1,
|
||||
"209.204.148.22": 1,
|
||||
"209.220.30.174": 1,
|
||||
"209.235.224.25": 1,
|
||||
"209.36.73.33": 1,
|
||||
"209.43.1.130": 1,
|
||||
"209.56.158.42": 1,
|
||||
"209.62.154.94": 1,
|
||||
"209.85.229.138": 1,
|
||||
"210.175.255.154": 1,
|
||||
"210.209.110.199": 1,
|
||||
"210.230.192.183": 1,
|
||||
"211.139.136.73": 1,
|
||||
"211.139.204.59": 1,
|
||||
"211.43.203.33": 1,
|
||||
"211.5.133.18": 1,
|
||||
"211.8.69.27": 1,
|
||||
"211.94.66.147": 1,
|
||||
"212.227.98.130": 1,
|
||||
"212.45.52.219": 1,
|
||||
"212.68.42.67": 1,
|
||||
"212.77.104.29": 1,
|
||||
"213.108.66.21": 1,
|
||||
"213.133.111.102": 1,
|
||||
"213.169.251.35": 1,
|
||||
"213.174.158.108": 1,
|
||||
"213.186.33.5": 1,
|
||||
"213.19.161.141": 1,
|
||||
"213.207.85.148": 1,
|
||||
"213.238.166.227": 1,
|
||||
"216.12.205.2": 1,
|
||||
"216.139.213.144": 1,
|
||||
"216.178.241.101": 1,
|
||||
"216.198.246.103": 1,
|
||||
"216.221.188.182": 1,
|
||||
"216.234.179.13": 1,
|
||||
"216.250.115.144": 1,
|
||||
"216.38.0.92": 1,
|
||||
"216.70.88.29": 1,
|
||||
"216.92.58.37": 1,
|
||||
"217.160.42.85": 1,
|
||||
"217.172.183.9": 1,
|
||||
"217.30.184.161": 1,
|
||||
"218.44.251.212": 1,
|
||||
"220.110.150.90": 1,
|
||||
"220.247.224.8": 1,
|
||||
"220.250.64.24": 1,
|
||||
"221.213.49.149": 1,
|
||||
"221.179.46.190": 1,
|
||||
"221.179.46.194": 1,
|
||||
"221.8.69.27": 1,
|
||||
"222.122.56.219": 1,
|
||||
"243.185.187.3": 1,
|
||||
"243.185.187.30": 1,
|
||||
"243.185.187.39": 1,
|
||||
"249.129.46.48": 1,
|
||||
"253.157.14.165": 1,
|
||||
"255.255.255.255": 1
|
||||
}
|
||||
@ -0,0 +1,80 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
//"fmt"
|
||||
"github.com/miekg/dns"
|
||||
"net"
|
||||
"time"
|
||||
)
|
||||
|
||||
var ip_region []*net.IPNet
|
||||
|
||||
type res struct {
|
||||
m *dns.Msg
|
||||
err error
|
||||
}
|
||||
|
||||
func query(m *dns.Msg) *dns.Msg {
|
||||
resch := make(chan *res, len(DefaultServer))
|
||||
for _, s := range DefaultServer {
|
||||
go query_one(s, m, resch)
|
||||
}
|
||||
delayed := []*dns.Msg{}
|
||||
slen := len(DefaultServer)
|
||||
got := 0
|
||||
|
||||
loop:
|
||||
for {
|
||||
select {
|
||||
case r := <-resch:
|
||||
r1 := *r
|
||||
if r1.err != nil {
|
||||
logger.Error("error %s\n", r1.err.Error())
|
||||
continue
|
||||
}
|
||||
if in_blacklist(r1.m) {
|
||||
continue
|
||||
}
|
||||
if answer_in_region(r1.m, ip_region) {
|
||||
return r1.m
|
||||
} else {
|
||||
delayed = append(delayed, r1.m)
|
||||
}
|
||||
got += 1
|
||||
if got >= slen {
|
||||
break loop
|
||||
}
|
||||
case <-time.After(900 * time.Millisecond):
|
||||
break loop
|
||||
}
|
||||
}
|
||||
|
||||
if len(delayed) == 0 {
|
||||
logger.Error("empty delayed list")
|
||||
return nil
|
||||
}
|
||||
|
||||
// return first ok result
|
||||
for _, m1 := range delayed {
|
||||
if m1.Rcode == dns.RcodeSuccess {
|
||||
return m1
|
||||
}
|
||||
}
|
||||
|
||||
// return NXDOMAIN result
|
||||
for _, m1 := range delayed {
|
||||
if m1.Rcode == dns.RcodeNameError {
|
||||
return m1
|
||||
}
|
||||
}
|
||||
|
||||
// errror
|
||||
return nil
|
||||
}
|
||||
|
||||
func query_one(srv *UpstreamServer, m *dns.Msg, ch chan *res) {
|
||||
m1, err := srv.query(m)
|
||||
select {
|
||||
case ch <- &res{m1, err}:
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,36 @@
|
||||
#!/usr/bin/env python
|
||||
import math
|
||||
import netaddr
|
||||
import urllib2
|
||||
url = "http://ftp.apnic.net/apnic/stats/apnic/delegated-apnic-latest"
|
||||
data = urllib2.urlopen(url).read()
|
||||
|
||||
with open("delegated-apnic-lastest", "w") as fp:
|
||||
fp.write(data)
|
||||
|
||||
results = []
|
||||
with open("delegated-apnic-latest") as fp:
|
||||
for line in fp:
|
||||
# format
|
||||
# apnic|CN|ipv4|1.0.0.0|256|2012232|allocated
|
||||
l = line.strip()
|
||||
if not l:
|
||||
continue
|
||||
if l[0] == '#':
|
||||
continue
|
||||
lns = l.split("|")
|
||||
if len(lns) != 7:
|
||||
continue
|
||||
if lns[2] != 'ipv4':
|
||||
continue
|
||||
if lns[1] != 'CN':
|
||||
continue
|
||||
ip = lns[3]
|
||||
mask = 32-int(math.log(int(lns[4]), 2))
|
||||
cidr = "%s/%d" % (ip, mask)
|
||||
results.append(cidr)
|
||||
r = netaddr.cidr_merge(results)
|
||||
|
||||
with open("region_cn.txt", "w") as fp:
|
||||
for a in r:
|
||||
fp.write("%s,%s,%d\n" % (a.ip,a.netmask, a.prefixlen))
|
||||
@ -0,0 +1,84 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"github.com/miekg/dns"
|
||||
"log"
|
||||
"net"
|
||||
"os"
|
||||
"strings"
|
||||
"unicode"
|
||||
)
|
||||
|
||||
// parse ip range region file
|
||||
// format
|
||||
// ip, netmask, prefixlen
|
||||
func parse_net(fn string) []*net.IPNet {
|
||||
fp, err := os.Open(fn)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
return []*net.IPNet{}
|
||||
}
|
||||
defer fp.Close()
|
||||
|
||||
nets := []*net.IPNet{}
|
||||
|
||||
reader := bufio.NewReader(fp)
|
||||
for {
|
||||
line, err := reader.ReadString('\n')
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
line = strings.Trim(line, "\r\n")
|
||||
fnds := strings.FieldsFunc(line, func(c rune) bool {
|
||||
if unicode.IsSpace(c) {
|
||||
return true
|
||||
}
|
||||
if c == ',' {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
})
|
||||
|
||||
if len(fnds) != 3 {
|
||||
continue
|
||||
}
|
||||
|
||||
if _, net1, err := net.ParseCIDR(
|
||||
fmt.Sprintf("%s/%s", fnds[0], fnds[2])); err == nil {
|
||||
nets = append(nets, net1)
|
||||
|
||||
} else {
|
||||
log.Fatal(err)
|
||||
}
|
||||
}
|
||||
return nets
|
||||
}
|
||||
|
||||
// test ip in ip range region
|
||||
func in_region(ip net.IP, nets []*net.IPNet) bool {
|
||||
for _, n := range nets {
|
||||
if n.Contains(ip) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// test dns reply A or AAAA in special ip range region
|
||||
func answer_in_region(m *dns.Msg, nets []*net.IPNet) bool {
|
||||
for _, rr := range m.Answer {
|
||||
if a, ok := rr.(*dns.A); ok {
|
||||
if in_region(a.A, nets) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
if aaaa, ok := rr.(*dns.AAAA); ok {
|
||||
if in_region(aaaa.AAAA, nets) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
@ -0,0 +1,74 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"github.com/miekg/dns"
|
||||
"testing"
|
||||
//"os"
|
||||
)
|
||||
|
||||
func TestParseNet(t *testing.T) {
|
||||
nets := parse_net("net_china.txt")
|
||||
fmt.Printf("get %d networks\n", len(nets))
|
||||
fmt.Printf("1st %s\n", nets[0].String())
|
||||
}
|
||||
|
||||
func TestQuery(t *testing.T) {
|
||||
ip_region = parse_net("net_china.txt")
|
||||
var c *dns.Client
|
||||
for _, srv := range []string{
|
||||
"tcp:114.114.114.114:53",
|
||||
"udp:8.8.8.8:53",
|
||||
"udp:192.168.41.1:53",
|
||||
"udp:4.2.2.2:53",
|
||||
} {
|
||||
proto, addr, err := parse_addr(srv)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
if proto == "tcp" {
|
||||
c = client_tcp
|
||||
} else {
|
||||
c = client_udp
|
||||
}
|
||||
upsrv := &UpstreamServer{
|
||||
Addr: addr,
|
||||
Proto: proto,
|
||||
client: c,
|
||||
}
|
||||
DefaultServer = append(DefaultServer, upsrv)
|
||||
}
|
||||
blacklist_file = "blacklist.txt"
|
||||
a, err := load_domain(blacklist_file)
|
||||
if err != nil {
|
||||
fmt.Println(err)
|
||||
} else {
|
||||
Blacklist_ips = a
|
||||
}
|
||||
logger = NewLogger("", true)
|
||||
for _, dn := range []string{
|
||||
"www.google.com",
|
||||
"www.sina.com.cn",
|
||||
"www.taobao.com",
|
||||
"www.ifeng.com",
|
||||
"twitter.com",
|
||||
"www.facebook.com",
|
||||
"plus.google.com",
|
||||
"drive.google.com",
|
||||
"dongtaiwang.com",
|
||||
"www.ratafee.nl",
|
||||
"cc.ratafee.nl",
|
||||
"noddcade.xx.ffs.aafde",
|
||||
"ndfddcade.xx.ffs.aafde",
|
||||
"sddf32dsf.comd.ffdasdf.fdsd3eaaaaa",
|
||||
"www.google.com.hk",
|
||||
} {
|
||||
m := new(dns.Msg)
|
||||
m.SetQuestion(dns.Fqdn(dn), dns.TypeA)
|
||||
m1 := query(m)
|
||||
if m1 == nil {
|
||||
t.Error("query failed")
|
||||
}
|
||||
fmt.Printf("%s\n", m1)
|
||||
}
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue