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authorbrian <brian@FreeBSD.org>2002-09-23 22:40:43 +0000
committerbrian <brian@FreeBSD.org>2002-09-23 22:40:43 +0000
commitf3374bb45c06bf3a170a858c777fdde4c6f23d75 (patch)
tree678b4e232c222af8cf7b407035e9ac60d970e15b
parent3285b1032f0085dbe403e64311f32060657fffec (diff)
downloadFreeBSD-src-f3374bb45c06bf3a170a858c777fdde4c6f23d75.zip
FreeBSD-src-f3374bb45c06bf3a170a858c777fdde4c6f23d75.tar.gz
If the peer gives us 0.0.0.0 as his IP number, NAK it rather than accepting
it as being in range. set ifaddr 1.2.3.4/0 5.6.7.8/0 no longer allows 0.0.0.0 as a valid IP. Reported/tested by: Bohdan Horst <nexus@hoth.amu.edu.pl> MFC after: 3 days
-rw-r--r--usr.sbin/ppp/ipcp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/usr.sbin/ppp/ipcp.c b/usr.sbin/ppp/ipcp.c
index 4ebf4b3..1897d12 100644
--- a/usr.sbin/ppp/ipcp.c
+++ b/usr.sbin/ppp/ipcp.c
@@ -1013,7 +1013,8 @@ ipcp_ValidateReq(struct ipcp *ipcp, struct in_addr ip, struct fsm_decode *dec)
}
return;
}
- } else if (!ncprange_containsip4(&ipcp->cfg.peer_range, ip)) {
+ } else if (ip.s_addr == INADDR_ANY ||
+ !ncprange_containsip4(&ipcp->cfg.peer_range, ip)) {
/*
* If the destination address is not acceptable, NAK with what we
* want to use.
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