[ECOS] Re: SNMP authentication

[llandre <r&d at wawnet dot biz>]

>> I'm performing some tests with the snmpping test application
>> (packages\net\snmp\agent\current\tests\snmpping.c). It seems it
>> does not implement any form of authentication. I'm using the Loriot
>> 1.00 SNMP Manager (www.llecointe.com) to query the board running
>> eCos, but it does not matter the community I specify: I can retrieve
>> the managed objects anyway.
>> How to force the check against the community specified in the PDU?
>> Is it possible to change the communities at run-time?
>The snmp agent does not perform any authentication. The 
infrastructure >is there to do it thought if you dig around in the code. 
Its something i >once looked at, but did not use in the end. If i remember 
correctly, >there is an authentication call back and you just have to 
provide a >function to do the authentication.
>
>					Andrew

You are right. The function is called "authenticator" and its prototype
is described in /lib/urrent/include/snmp_api.h. You have to set the
"sess.authenticator" field acordingly in the function "init_master_agent"
(/agent/current/src/snmp_agent.c) too.

Thanks again,

llandre


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