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Merge pull request #13366 from zmw12306/rte_tag

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ripd: add non-zero check for RIPv1 reserved field
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Donatas Abraitis 2023-05-02 17:56:09 +03:00 committed by GitHub
commit da57946b0e
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1 changed files with 6 additions and 0 deletions
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6
ripd/ripd.c
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@ -1171,6 +1171,12 @@ static void rip_response_process(struct rip_packet *packet, int size,
continue; continue;
} }
if (packet->version == RIPv1 && rte->tag != 0) {
zlog_warn("RIPv1 reserved field is nonzero: %d",
ntohs(rte->tag));
continue;
}
/* - is the destination address valid (e.g., unicast; not net 0 /* - is the destination address valid (e.g., unicast; not net 0
or 127) */ or 127) */
if (!rip_destination_check(rte->prefix)) { if (!rip_destination_check(rte->prefix)) {