Thanks for that explanation
Joan
-----Original Message-----
From: dave.shi...@googlemail.com [mailto:dave.shi...@googlemail.com] On
Behalf Of Dave Shield
Sent: Friday, February 20, 2009 3:22 AM
To: Joan Landry
Cc: net-snmp-users@lists.sourceforge.net
Subject: Re: How can I access the pdu in a handler
2009/2/19 Joan Landry <joan.lan...@overturenetworks.com>:
> I would like to know if there is a way to get the community name from
> the pdu inside a handler request?
> I tried both of these:
> reqinfo->asp->pdu->community_len
> reqinfo->asp->orig_pdu->community_len
Those should work, yes. But *only* if the PDU that is
being processed is a community-based SNMP request.
> I am using the tdata helper functions running agentX.
If your handler is part of an AgentX subagent, then the PDU that it's
working with will be an AgentX request, not an SNMPv{1,2c}
request. So the contents of reqinfo->asp->pdu will reflect this.
If you check the AgentX specs, you'll see that AgentX requests do not
include a community string (or any authentication information).
Access control is handled by the master agent, and the AgentX subagent
is solely concerned the OIDs being requested.
An AgentX subagent will not be passed the community string, so this
information is not available to AgentX handlers.
Dave
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