IP address is not passed to libwrap with net-snmp 5.3.2

Hi,

On my FreeBSD/i386 6-STABLE, after updating net-snmp from 5.3.1 to 5.3.2,
libwrap refuses snmp access from localhost.
libwrap claims "access from [0.0.0.0] is not granted".
0.0.0.0 ?  -- this address is also shown in the log file of snmpd;
Previously, access from localhost is recorded as
	Connection from UDP: [127.0.0.1]:52331
and after update to 5.3.2,
	Connection from UDP: [0.0.0.0]->[127.0.0.1]:-13205 REFUSED

After rewriting "hosts.allow" to allow snmpd from any host,
"REFUSED" is not recorded and accesses are granted.
The access from another host(10.226.65.116) is recorded as
Connection from UDP: [0.0.0.0]->[10.226.65.116]:-12046
The origin and the target addresses are not correct, as I think.

In addition, the port number recorded is wrong in both case.

Currently, the address [0.0.0.0] is checked via agent/snmp_agent.c,
and libwrap refuses this address.
I expect "[127.0.0.1]->[127.0.0.1]:52331" from localhost
and "[10.226.65.116]->[10.226.65.120]:xxxx" from the other host.

I think this is concerning with patch #1775124.

---
Tsurutani Naoki
[email protected]

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