On Mon, 2006-01-23 at 21:30 +1000, Nigel Cunningham wrote:

> Got it. init_netsnmp_trapd_auth() is within
> 
> #if defined(USING_AGENTX_SUBAGENT_MODULE) 
> && !defined(SNMPTRAPD_DISABLE_AGENTX)

Hmmm...
No - that doesn't feel right.

Well spotted - I'll have a look at fixing that.



> I'm trying from another machine:
> 
>  snmptrap -e 0x0102030405 -v 3 -u myuser -a MD5 -A mypassword
>       -l authNoPriv 192.168.128.106 42 coldStart.0



> Using the -D -f options, I'm seeing the trap being received by the
> daemon, but SNMP is still trying to authenticate the user.

Yes - it will.  That's inherent in a security level of "authNoPriv".
Disabling *authorization* just affects the access control settings.
It doesn't affect the *authentication* of the request.
   (Which is probably why Wes was so insistent on the token name!)


> Testing further, this time with the user existing in the trapd daemon's conf 
> file, I make it past this point, and do indeed see the disableAuthorization 
> parameter take effect on later checking, so it just seems to need to be also 
> applied at this earlier point.

No - authentication and authorization are different things, and
disableAuthorization shouldn't affect 'authNoPriv' (or 'authPriv')
handling.

If you don't want user authentication, then use 'noAuthNoPriv'.


> Unfortunately, this is not the only issue. Having forwarded the message, the 
> daemon then segfaults.

Urkkk!!!   Not good!
OK - I'll look into that as well.


Dave


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