josh/jrouter
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[WIP] AppleTalk

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This commit is contained in:
Josh Deprez 2024-04-05 14:31:36 +11:00
parent 62162d8c95
commit a03a02e3d8
Signed by: josh
SSH key fingerprint: SHA256:zZji7w1Ilh2RuUpbQcqkLPrqmRwpiCSycbF2EfKm6Kw
2 changed files with 23 additions and 1 deletions
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3
atalk/raw.go
View file

@ -4,8 +4,11 @@ import (
"fmt"
"github.com/google/gopacket/pcap"
"github.com/sfiera/multitalk/pkg/ethernet"
)
var MulticastDst = ethernet.Addr{0x09, 0x00, 0x07, 0xff, 0xff, 0xff}
// StartPcap opens an AppleTalk and AARP listening session on a network device.
func StartPcap(device string) (*pcap.Handle, error) {
handle, err := pcap.OpenLive(device, 4096, true, pcap.BlockForever)

21
main.go
View file

@ -32,6 +32,8 @@ import (
"gitea.drjosh.dev/josh/jrouter/atalk"
"gitea.drjosh.dev/josh/jrouter/aurp"
"github.com/sfiera/multitalk/pkg/aarp"
"github.com/sfiera/multitalk/pkg/ddp"
"github.com/sfiera/multitalk/pkg/ethertalk"
)
@ -166,7 +168,24 @@ func main() {
continue
}
log.Printf("Read packet %s -> %s payload %x", pkt.Src, pkt.Dst, pkt.Payload)
switch pkt.SNAPProto {
case ethertalk.AARPProto:
var aapkt aarp.Packet
if err := aarp.Unmarshal(pkt.Payload, &aapkt); err != nil {
log.Printf("Couldn't unmarshal AARP packet: %v", err)
continue
}
log.Printf("Read AARP packet %v", aapkt)
case ethertalk.AppleTalkProto:
var ddpkt ddp.ExtPacket
if err := ddp.ExtUnmarshal(pkt.Payload, &ddpkt); err != nil {
log.Printf("Couldn't unmarshal DDP packet: %v", err)
continue
}
log.Printf("Read AppleTalk packet %v", ddpkt)
}
}
}()