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Fix sniffer errors override each others

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* Fix sniffer errors override each others

* Do not return ErrNeedMoreData if header is not expected
This commit is contained in:
dyhkwong
2025-04-22 14:44:55 +08:00
committed by GitHub
parent c54d50fd36
commit f2bbf6b2aa
7 changed files with 102 additions and 10 deletions
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21
common/sniff/ssh_test.go
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@@ -24,3 +24,24 @@ func TestSniffSSH(t *testing.T) {
require.Equal(t, C.ProtocolSSH, metadata.Protocol)
require.Equal(t, "dropbear", metadata.Client)
}
func TestSniffIncompleteSSH(t *testing.T) {
t.Parallel()
pkt, err := hex.DecodeString("5353482d322e30")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
require.ErrorIs(t, err, sniff.ErrNeedMoreData)
}
func TestSniffNotSSH(t *testing.T) {
t.Parallel()
pkt, err := hex.DecodeString("5353482d322e31")
require.NoError(t, err)
var metadata adapter.InboundContext
err = sniff.SSH(context.TODO(), &metadata, bytes.NewReader(pkt))
require.NotEmpty(t, err)
require.NotErrorIs(t, err, sniff.ErrNeedMoreData)
}