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Date: Mon, 24 Jan 2011 14:33:16 +0100
From: Harti Brandt <hartmut.brandt@dlr.de>
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To: Eugene Grosbein <egrosbein@rdtc.ru>
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Cc: hackers@freebsd.org, "net@freebsd.org" <net@freebsd.org>
Subject: Re: Querying bsnmpd through /var/run/snmpd.sock
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On Sun, 23 Jan 2011, Eugene Grosbein wrote:

EG>bsnmpd running with mibII module opens local socket /var/run/snmpd.sock
EG>mentioned in snmp_mibII(3) manual page:
EG>
EG>     The mibII module opens a socket that is used to execute all network
EG>     related ioctl(2) functions.  This socket is globally available under the
EG>     name mib_netsock.
EG>
EG>How do I use the socket? I hope to be able to call mib_find_if_sys() function
EG>from another process using the socket. Is there a documentation for this?

The socket works just like a UDP socket with the additional plus that the 
daemon knows whether you're root or not. As I said in my previous mail, 
easiest would be to implement an additional table with the sysindex as 
index and ifIndex as a row.

harti