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Add support for nfqueue repeat-with-mark #6

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Add support for nfqueue repeat-with-mark #6

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12 changes: 12 additions & 0 deletions nfqueue/nfqueue.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ const (

NF_DROP = 0
NF_ACCEPT = 1
NF_REPEAT = 4
)

type NFQPacket struct {
Expand Down Expand Up @@ -214,7 +215,18 @@ func (p *NFQPacket) Accept() error {
return p.verdict(NF_ACCEPT)
}

// Repeat sets the NF_REPEAT verdict on this packet with the given mark
func (p *NFQPacket) Repeat(mark uint32) error {
return p.verdictWithMark(NF_REPEAT, mark)
}

// verdict sends a NFQNL_MSG_VERDICT message for the packet id with the verdict value v
func (p *NFQPacket) verdict(v uint32) error {
return p.q.nfqRequestVerdictMark(v, p.id, false, 0).Send()
}

// verdictWithMark sends a NFQNL_MSG_VERDICT message for the packet id with the verdict value v,
// and the NFQA_MARK attribute with the given mark.
func (p *NFQPacket) verdictWithMark(v uint32, mark uint32) error {
return p.q.nfqRequestVerdictMark(v, p.id, true, mark).Send()
}