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sys/netinet/udp_usrreq.c
| Show First 20 Lines • Show All 678 Lines • ▼ Show 20 Lines | if (udp_log_in_vain) { | ||||
| char src[INET_ADDRSTRLEN]; | char src[INET_ADDRSTRLEN]; | ||||
| char dst[INET_ADDRSTRLEN]; | char dst[INET_ADDRSTRLEN]; | ||||
| log(LOG_INFO, | log(LOG_INFO, | ||||
| "Connection attempt to UDP %s:%d from %s:%d\n", | "Connection attempt to UDP %s:%d from %s:%d\n", | ||||
| inet_ntoa_r(ip->ip_dst, dst), ntohs(uh->uh_dport), | inet_ntoa_r(ip->ip_dst, dst), ntohs(uh->uh_dport), | ||||
| inet_ntoa_r(ip->ip_src, src), ntohs(uh->uh_sport)); | inet_ntoa_r(ip->ip_src, src), ntohs(uh->uh_sport)); | ||||
| } | } | ||||
| UDP_PROBE(receive, NULL, NULL, ip, NULL, uh); | |||||
| UDPSTAT_INC(udps_noport); | UDPSTAT_INC(udps_noport); | ||||
| if (m->m_flags & (M_BCAST | M_MCAST)) { | if (m->m_flags & (M_BCAST | M_MCAST)) { | ||||
| UDPSTAT_INC(udps_noportbcast); | UDPSTAT_INC(udps_noportbcast); | ||||
| goto badunlocked; | goto badunlocked; | ||||
| } | } | ||||
| if (V_udp_blackhole) | if (V_udp_blackhole) | ||||
| goto badunlocked; | goto badunlocked; | ||||
| if (badport_bandlim(BANDLIM_ICMP_UNREACH) < 0) | if (badport_bandlim(BANDLIM_ICMP_UNREACH) < 0) | ||||
| goto badunlocked; | goto badunlocked; | ||||
| *ip = save_ip; | *ip = save_ip; | ||||
| icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0); | icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0); | ||||
| return (IPPROTO_DONE); | return (IPPROTO_DONE); | ||||
| } | } | ||||
| /* | /* | ||||
| * Check the minimum TTL for socket. | * Check the minimum TTL for socket. | ||||
| */ | */ | ||||
| INP_RLOCK_ASSERT(inp); | INP_RLOCK_ASSERT(inp); | ||||
| if (inp->inp_ip_minttl && inp->inp_ip_minttl > ip->ip_ttl) { | if (inp->inp_ip_minttl && inp->inp_ip_minttl > ip->ip_ttl) { | ||||
| UDP_PROBE(receive, NULL, inp, ip, inp, uh); | |||||
| INP_RUNLOCK(inp); | INP_RUNLOCK(inp); | ||||
| m_freem(m); | m_freem(m); | ||||
| return (IPPROTO_DONE); | return (IPPROTO_DONE); | ||||
| } | } | ||||
| if (cscov_partial) { | if (cscov_partial) { | ||||
| struct udpcb *up; | struct udpcb *up; | ||||
| up = intoudpcb(inp); | up = intoudpcb(inp); | ||||
| ▲ Show 20 Lines • Show All 1,080 Lines • Show Last 20 Lines | |||||