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Code Issues Packages Projects Releases 1 Wiki Activity

HTTP server example and DHCP Server rewrite (#38)

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* improvements to dhcpv4 server

* begin adding examples/httpserver

* add better VLAN tagging methods

* pcap: add error printing; fix bug in CRC

* ipv4: ToS and Flags construction and flag manipulation improvements

* add dhcp interception to httptap and improve httpserver example
This commit is contained in:
Pat Whittingslow
2026-02-18 20:48:30 +01:00
committed by GitHub
parent fae4552ddb
commit bf2d07d9f0
12 changed files with 1403 additions and 48 deletions
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internet/pcap/capture.go
+6 -4
View File
@@ -244,10 +244,12 @@ func (pc *PacketBreakdown) CaptureIPv4(dst []Frame, pkt []byte, bitOffset int) (
println("BAD UDP")
return dst, pc.vld.ErrPop()
}
frameLen := ufrm.Length()
ifrm4.CRCWriteUDPPseudo(&crc, frameLen)
if crc.PayloadSum16(ufrm.RawData()[:frameLen]) != 0 {
protoErrs = append(protoErrs, lneto.ErrBadCRC)
if ufrm.CRC() != 0 {
frameLen := ufrm.Length()
ifrm4.CRCWriteUDPPseudo(&crc, frameLen)
if crc.PayloadSum16(ufrm.RawData()[:frameLen]) != 0 {
protoErrs = append(protoErrs, lneto.ErrBadCRC)
}
}
}
case lneto.IPProtoICMP: