diff options
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 0ffb004..6de2d7b 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -384,6 +384,9 @@ udp_input(m, off) return; } INP_LOCK(inp); + /* Check the minimum TTL for socket. */ + if (inp->inp_ip_minttl && inp->inp_ip_minttl > ip->ip_ttl) + goto badheadlocked; udp_append(inp, ip, m, iphlen + sizeof(struct udphdr), &udp_in); INP_UNLOCK(inp); INP_INFO_RUNLOCK(&udbinfo); |
