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Add DNS support to pcap (#100)

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* begin adding dns pcap functionality

* improve question formatting

* work on capturing answers as well

* finalize DNS printing

* increase subfield limits

* add FlagContainer type

* prettier DNS printing
This commit is contained in:
Pat Whittingslow
2026-04-24 19:41:10 -03:00
committed by GitHub
parent b2c3d11c4c
commit 198db3789b
8 changed files with 401 additions and 23 deletions
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examples/httptap/main.go
+2 -1
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@@ -85,8 +85,9 @@ func run() error {
}
defer sv.Close()
var cap pcap.PacketBreakdown
cap.SubfieldLimit = 30 // For big DNS or DHCP.
pf := pcap.Formatter{
FilterClasses: []pcap.FieldClass{pcap.FieldClassDst, pcap.FieldClassSrc, pcap.FieldClassSize, pcap.FieldClassFlags},
FilterClasses: []pcap.FieldClass{pcap.FieldClassDst, pcap.FieldClassSrc, pcap.FieldClassSize, pcap.FieldClassFlags, pcap.FieldClassDNSName},
}
var pfbuf []byte
sv.OnTransfer(func(channel int, pkt []byte) {