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Chore: skip cache acme challenge dns msg (#2469)

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This commit is contained in:
gVisor bot 2022-12-22 13:30:23 +08:00
parent f9027ef597
commit b9dbd81038
1 changed files with 7 additions and 0 deletions
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7
dns/util.go
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@ -6,6 +6,7 @@ import (
"errors" "errors"
"fmt" "fmt"
"net" "net"
"strings"
"time" "time"
"github.com/Dreamacro/clash/common/cache" "github.com/Dreamacro/clash/common/cache"
@ -16,6 +17,12 @@ import (
) )
func putMsgToCache(c *cache.LruCache, key string, msg *D.Msg) { func putMsgToCache(c *cache.LruCache, key string, msg *D.Msg) {
// skip dns cache for acme challenge
if q := msg.Question[0]; q.Qtype == D.TypeTXT && strings.HasPrefix(q.Name, "_acme-challenge") {
log.Debugln("[DNS] dns cache ignored because of acme challenge for: %s", q.Name)
return
}
var ttl uint32 var ttl uint32
switch { switch {
case len(msg.Answer) != 0: case len(msg.Answer) != 0: