diff options
Diffstat (limited to 'contrib/bsnmp/snmpd/main.c')
| -rw-r--r-- | contrib/bsnmp/snmpd/main.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/contrib/bsnmp/snmpd/main.c b/contrib/bsnmp/snmpd/main.c index 6fdc6d3..e7257b5 100644 --- a/contrib/bsnmp/snmpd/main.c +++ b/contrib/bsnmp/snmpd/main.c @@ -1203,6 +1203,8 @@ snmpd_input(struct port_input *pi, struct tport *tport) ret = recv_stream(pi); } else { + struct in_addr *laddr; + memset(cbuf, 0, CMSG_SPACE(sizeof(struct in_addr))); msg.msg_control = cbuf; msg.msg_controllen = CMSG_SPACE(sizeof(struct in_addr)); @@ -1210,8 +1212,14 @@ snmpd_input(struct port_input *pi, struct tport *tport) cmsgp->cmsg_len = CMSG_LEN(sizeof(struct in_addr)); cmsgp->cmsg_level = IPPROTO_IP; cmsgp->cmsg_type = IP_SENDSRCADDR; + laddr = (struct in_addr *)CMSG_DATA(cmsgp); - ret = recv_dgram(pi, (struct in_addr *)CMSG_DATA(cmsgp)); + ret = recv_dgram(pi, laddr); + + if (laddr->s_addr == 0) { + msg.msg_control = NULL; + msg.msg_controllen = 0; + } } if (ret == -1) |
