diff options
Diffstat (limited to 'sys/netinet/udp_usrreq.c')
| -rw-r--r-- | sys/netinet/udp_usrreq.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c index 60ec82b..62e6131 100644 --- a/sys/netinet/udp_usrreq.c +++ b/sys/netinet/udp_usrreq.c @@ -544,10 +544,17 @@ udp_ctlinput(cmd, sa, vip) if (sa->sa_family != AF_INET || faddr.s_addr == INADDR_ANY) return; - if (PRC_IS_REDIRECT(cmd)) { - ip = 0; - notify = in_rtchange; - } else if (cmd == PRC_HOSTDEAD) + /* + * Redirects don't need to be handled up here. + */ + if (PRC_IS_REDIRECT(cmd)) + return; + /* + * Hostdead is ugly because it goes linearly through all PCBs. + * XXX: We never get this from ICMP, otherwise it makes an + * excellent DoS attack on machines with many connections. + */ + if (cmd == PRC_HOSTDEAD) ip = 0; else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) return; @@ -873,7 +880,7 @@ udp_output(inp, m, addr, control, td) ((struct ip *)ui)->ip_tos = inp->inp_ip_tos; /* XXX */ udpstat.udps_opackets++; - error = ip_output(m, inp->inp_options, &inp->inp_route, ipflags, + error = ip_output(m, inp->inp_options, NULL, ipflags, inp->inp_moptions, inp); return (error); |
