diff options
Diffstat (limited to 'contrib/bsnmp/snmpd/trans_udp.c')
| -rw-r--r-- | contrib/bsnmp/snmpd/trans_udp.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/contrib/bsnmp/snmpd/trans_udp.c b/contrib/bsnmp/snmpd/trans_udp.c index 0a119d2..3faef41 100644 --- a/contrib/bsnmp/snmpd/trans_udp.c +++ b/contrib/bsnmp/snmpd/trans_udp.c @@ -109,13 +109,6 @@ udp_init_port(struct tport *tp) syslog(LOG_ERR, "creating UDP socket: %m"); return (SNMP_ERR_RES_UNAVAIL); } - if (setsockopt(p->input.fd, IPPROTO_IP, IP_RECVDSTADDR, &on, - sizeof(on)) == -1) { - syslog(LOG_ERR, "setsockopt(IP_RECVDSTADDR): %m"); - close(p->input.fd); - p->input.fd = -1; - return (SNMP_ERR_GENERR); - } ip = (p->addr[0] << 24) | (p->addr[1] << 16) | (p->addr[2] << 8) | p->addr[3]; memset(&addr, 0, sizeof(addr)); @@ -123,6 +116,14 @@ udp_init_port(struct tport *tp) addr.sin_port = htons(p->port); addr.sin_family = AF_INET; addr.sin_len = sizeof(addr); + if (addr.sin_addr.s_addr == INADDR_ANY && + setsockopt(p->input.fd, IPPROTO_IP, IP_RECVDSTADDR, &on, + sizeof(on)) == -1) { + syslog(LOG_ERR, "setsockopt(IP_RECVDSTADDR): %m"); + close(p->input.fd); + p->input.fd = -1; + return (SNMP_ERR_GENERR); + } if (bind(p->input.fd, (struct sockaddr *)&addr, sizeof(addr))) { if (errno == EADDRNOTAVAIL) { close(p->input.fd); |
