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dns: added new config dnscachelog and default to false

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This commit is contained in:
nadoo 2021-05-30 12:18:05 +08:00
parent ceb8b82df8
commit 3092d857ff
8 changed files with 29 additions and 30 deletions
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6
.goreleaser.yml
View File

@ -46,12 +46,6 @@ builds:
- hardfloat
- softfloat
ignore:
- goos: darwin
goarch: 386
- goos: freebsd
goarch: arm
# https://goreleaser.com/customization/archive/
archives:
- id: default

4
README.md
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@ -97,7 +97,7 @@ glider -h
<summary>click to see details</summary>
```bash
glider 0.14.0 usage:
glider 0.15.0 usage:
-check string
check=tcp[://HOST:PORT]: tcp port connect check
check=http://HOST[:PORT][/URI][#expect=STRING_IN_RESP_LINE]
@ -119,6 +119,8 @@ glider 0.14.0 usage:
local dns server listen address
-dnsalwaystcp
always use tcp to query upstream dns servers no matter there is a forwarder or not
-dnscachelog
show query log of dns cache
-dnscachesize int
size of CACHE (default 4096)
-dnsmaxttl int

1
config.go
View File

@ -65,6 +65,7 @@ func parseConfig() *Config {
flag.IntVar(&conf.DNSConfig.MaxTTL, "dnsmaxttl", 1800, "maximum TTL value for entries in the CACHE(seconds)")
flag.IntVar(&conf.DNSConfig.MinTTL, "dnsminttl", 0, "minimum TTL value for entries in the CACHE(seconds)")
flag.IntVar(&conf.DNSConfig.CacheSize, "dnscachesize", 4096, "size of CACHE")
flag.BoolVar(&conf.DNSConfig.CacheLog, "dnscachelog", false, "show query log of dns cache")
flag.StringSliceUniqVar(&conf.DNSConfig.Records, "dnsrecord", nil, "custom dns record, format: domain/ip")
// service configs

12
dns/client.go
View File

@ -26,6 +26,7 @@ type Config struct {
Records []string
AlwaysTCP bool
CacheSize int
CacheLog bool
}
// Client is a dns client struct.
@ -69,8 +70,10 @@ func (c *Client) Exchange(reqBytes []byte, clientAddr string, preferTCP bool) ([
v = valCopy(v)
binary.BigEndian.PutUint16(v[:2], req.ID)
log.F("[dns] %s <-> cache, type: %d, %s",
clientAddr, req.Question.QTYPE, req.Question.QNAME)
if c.config.CacheLog {
log.F("[dns] %s <-> cache, type: %d, %s",
clientAddr, req.Question.QTYPE, req.Question.QNAME)
}
if expired { // update cache
go func(qname string, reqBytes []byte, preferTCP bool) {
@ -106,10 +109,11 @@ func (c *Client) handleAnswer(respBytes []byte, clientAddr, dnsServer, network,
}
ips, ttl := c.extractAnswer(resp)
if len(ips) != 0 && ttl > 0 {
c.cache.Set(qKey(resp.Question), valCopy(respBytes), ttl)
if ttl == 0 { // we got a null result
ttl = 600
}
c.cache.Set(qKey(resp.Question), valCopy(respBytes), ttl)
log.F("[dns] %s <-> %s(%s) via %s, type: %d, %s: %s",
clientAddr, dnsServer, network, dialerAddr, resp.Question.QTYPE, resp.Question.QNAME, strings.Join(ips, ","))

8
go.mod
View File

@ -8,17 +8,17 @@ require (
github.com/dgryski/go-idea v0.0.0-20170306091226-d2fb45a411fb
github.com/dgryski/go-rc2 v0.0.0-20150621095337-8a9021637152
github.com/ebfe/rc2 v0.0.0-20131011165748-24b9757f5521 // indirect
github.com/insomniacslk/dhcp v0.0.0-20210428091707-95b2ff6905c9
github.com/insomniacslk/dhcp v0.0.0-20210528123148-fb4eaaa00ad2
github.com/klauspost/cpuid/v2 v2.0.6 // indirect
github.com/klauspost/reedsolomon v1.9.12 // indirect
github.com/mdlayher/raw v0.0.0-20210412142147-51b895745faf // indirect
github.com/nadoo/conflag v0.2.3
github.com/nadoo/ipset v0.3.0
github.com/tjfoc/gmsm v1.4.0 // indirect
github.com/u-root/uio v0.0.0-20210528151154-e40b768296a7 // indirect
github.com/xtaci/kcp-go/v5 v5.6.1
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e
golang.org/x/net v0.0.0-20210505024714-0287a6fb4125 // indirect
golang.org/x/sys v0.0.0-20210503173754-0981d6026fa6 // indirect
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a
golang.org/x/net v0.0.0-20210525063256-abc453219eb5 // indirect
)
// Replace dependency modules with local developing copy

22
go.sum
View File

@ -39,8 +39,8 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714 h1:/jC7qQFrv8CrSJVmaolDVOxTfS9kc36uB6H40kdbQq8=
github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714/go.mod h1:2Goc3h8EklBH5mspfHFxBnEoURQCGzQQH1ga9Myjvis=
github.com/insomniacslk/dhcp v0.0.0-20210428091707-95b2ff6905c9 h1:T+Czi1NGxrbx8enhcdUFPVYTpGd6DPDxrKptDXRgD8I=
github.com/insomniacslk/dhcp v0.0.0-20210428091707-95b2ff6905c9/go.mod h1:TKl4jN3Voofo4UJIicyNhWGp/nlQqQkFxmwIFTvBkKI=
github.com/insomniacslk/dhcp v0.0.0-20210528123148-fb4eaaa00ad2 h1:WDOgJoE6rb7G6A7i1/Yyh5FJeydXeUrXHMRYJo7iFak=
github.com/insomniacslk/dhcp v0.0.0-20210528123148-fb4eaaa00ad2/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
github.com/jsimonetti/rtnetlink v0.0.0-20201009170750-9c6f07d100c1/go.mod h1:hqoO/u39cqLeBLebZ8fWdE96O7FxrAsRYhnVOdgHxok=
@ -88,8 +88,9 @@ github.com/templexxx/xorsimd v0.4.1/go.mod h1:W+ffZz8jJMH2SXwuKu9WhygqBMbFnp14G2
github.com/tjfoc/gmsm v1.3.2/go.mod h1:HaUcFuY0auTiaHB9MHFGCPx5IaLhTUd2atbCFBQXn9w=
github.com/tjfoc/gmsm v1.4.0 h1:8nbaiZG+iVdh+fXVw0DZoZZa7a4TGm3Qab+xdrdzj8s=
github.com/tjfoc/gmsm v1.4.0/go.mod h1:j4INPkHWMrhJb38G+J6W4Tw0AbuN8Thu3PbdVYhVcTE=
github.com/u-root/u-root v7.0.0+incompatible h1:u+KSS04pSxJGI5E7WE4Bs9+Zd75QjFv+REkjy/aoAc8=
github.com/u-root/u-root v7.0.0+incompatible/go.mod h1:RYkpo8pTHrNjW08opNd/U6p/RJE7K0D8fXO0d47+3YY=
github.com/u-root/uio v0.0.0-20210528114334-82958018845c/go.mod h1:LpEX5FO/cB+WF4TYGY1V5qktpaZLkKkSegbr0V4eYXA=
github.com/u-root/uio v0.0.0-20210528151154-e40b768296a7 h1:XMAtQHwKjWHIRwg+8Nj/rzUomQY1q6cM3ncA0wP8GU4=
github.com/u-root/uio v0.0.0-20210528151154-e40b768296a7/go.mod h1:LpEX5FO/cB+WF4TYGY1V5qktpaZLkKkSegbr0V4eYXA=
github.com/xtaci/kcp-go/v5 v5.6.1 h1:Pwn0aoeNSPF9dTS7IgiPXn0HEtaIlVb6y5UKWPsx8bI=
github.com/xtaci/kcp-go/v5 v5.6.1/go.mod h1:W3kVPyNYwZ06p79dNwFWQOVFrdcBpDBsdyvK8moQrYo=
github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae h1:J0GxkO96kL4WF+AIT3M4mfUVinOCPgf2uUWYFUzN0sM=
@ -103,8 +104,8 @@ golang.org/x/crypto v0.0.0-20191219195013-becbf705a915/go.mod h1:LzIPMQfyMNhhGPh
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20200728195943-123391ffb6de/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20201012173705-84dcc777aaee/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e h1:8foAy0aoO5GkqCvAEJ4VC4P3zksTg4X4aJCDpZzmgQI=
golang.org/x/crypto v0.0.0-20210503195802-e9a32991a82e/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a h1:kr2P4QFmQr29mSLA43kwrOcgcReGTfbE9N577tCTuBc=
golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@ -128,8 +129,8 @@ golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81R
golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
golang.org/x/net v0.0.0-20210505024714-0287a6fb4125 h1:Ugb8sMTWuWRC3+sz5WeN/4kejDx9BvIwnPUiJBjJE+8=
golang.org/x/net v0.0.0-20210505024714-0287a6fb4125/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/net v0.0.0-20210525063256-abc453219eb5 h1:wjuX4b5yYQnEQHzd+CBcrcC6OVR2J1CN6mUy0oSxIPo=
golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -151,11 +152,10 @@ golang.org/x/sys v0.0.0-20200808120158-1030fc2bf1d9/go.mod h1:h1NjWce9XRLGQEsW7w
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201009025420-dfb3f7c4e634/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201101102859-da207088b7d1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201112073958-5cba982894dd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210503173754-0981d6026fa6 h1:cdsMqa2nXzqlgs183pHxtvoVwU7CyzaCTAUOg94af4c=
golang.org/x/sys v0.0.0-20210503173754-0981d6026fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210525143221-35b2ab0089ea h1:+WiDlPBBaO+h9vPNZi8uJ3k4BkKQB7Iow3aqwHVA5hI=
golang.org/x/sys v0.0.0-20210525143221-35b2ab0089ea/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

2
main.go
View File

@ -18,7 +18,7 @@ import (
)
var (
version = "0.14.0"
version = "0.15.0"
config = parseConfig()
)

4
rule/proxy.go
View File

@ -5,7 +5,6 @@ import (
"strings"
"sync"
"github.com/nadoo/glider/log"
"github.com/nadoo/glider/proxy"
)
@ -131,8 +130,7 @@ func (p *Proxy) AddDomainIP(domain, ip string) error {
i = strings.LastIndexByte(domain[:i], '.')
if dialer, ok := p.domainMap.Load(domain[i+1:]); ok {
p.ipMap.Store(ip, dialer)
log.F("[rule] add ip=%s, based on rule: domain=%s & domain/ip: %s/%s\n",
ip, domain[i+1:], domain, ip)
// log.F("[rule] update map: %s/%s based on rule: domain=%s\n", domain, ip, domain[i+1:])
}
}
}