sing-box/common/sniff/dns_test.go
dyhkwong f2bbf6b2aa
Fix sniffer errors override each others
* Fix sniffer errors override each others

* Do not return ErrNeedMoreData if header is not expected
2025-04-22 14:44:55 +08:00

54 lines
1.6 KiB
Go

package sniff_test
import (
"bytes"
"context"
"encoding/hex"
"testing"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/sniff"
C "github.com/sagernet/sing-box/constant"
"github.com/stretchr/testify/require"
)
func TestSniffDNS(t *testing.T) {
t.Parallel()
query, err := hex.DecodeString("740701000001000000000000012a06676f6f676c6503636f6d0000010001")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.DomainNameQuery(context.TODO(), &metadata, query)
require.NoError(t, err)
require.Equal(t, C.ProtocolDNS, metadata.Protocol)
}
func TestSniffStreamDNS(t *testing.T) {
t.Parallel()
query, err := hex.DecodeString("001e740701000001000000000000012a06676f6f676c6503636f6d0000010001")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
require.NoError(t, err)
require.Equal(t, C.ProtocolDNS, metadata.Protocol)
}
func TestSniffIncompleteStreamDNS(t *testing.T) {
t.Parallel()
query, err := hex.DecodeString("001e740701000001000000000000")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
require.ErrorIs(t, err, sniff.ErrNeedMoreData)
}
func TestSniffNotStreamDNS(t *testing.T) {
t.Parallel()
query, err := hex.DecodeString("001e740701000000000000000000")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.StreamDomainNameQuery(context.TODO(), &metadata, bytes.NewReader(query))
require.NotEmpty(t, err)
require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
}