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ip/dhcpd: properly skip past ipv6 addresses in addrsopt

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If the first address passed happened to be an ipv6
address we would send a malformed option by never including
a ipv4 address.
This commit is contained in:
Jacob Moody 2022-06-05 18:02:58 +00:00
parent d8d433894a
commit 207d124dfe
1 changed files with 1 additions and 0 deletions
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1
sys/src/cmd/ip/dhcpd/dhcpd.c
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@ -1477,6 +1477,7 @@ addrsopt(Req *rp, int t, uchar **ip, int i)
while(i-- > 0){ while(i-- > 0){
if (!isv4(*ip)) { if (!isv4(*ip)) {
op = seprint(op, oe, " skipping %I ", *ip); op = seprint(op, oe, " skipping %I ", *ip);
ip++;
continue; continue;
} }
v6tov4(rp->p, *ip); v6tov4(rp->p, *ip);