[tac_plus] Need help with do_auth config

Aaron Wasserott aaron.wasserott at viawest.com
Mon Jun 16 19:02:05 UTC 2014


In both do_auth.ini and tac_plus.conf be sure to spell the special username as "DEFAULT" - minding the upper-case.

Do you have any log entries for that failed attempt in /root/do_auth/do_auth.log?

Does your group doauthaccess have the same settings as the other regular group, other than the addition of after auth?

What device type did you test against? I would test against Cisco IOS to start with until you get it working.

You also might want to try toggling off the "-fix_crs_bug" flag and test login against IOS just to be safe. I've not used that flag before personally.

-----Original Message-----
From: tac_plus [mailto:tac_plus-bounces at shrubbery.net] On Behalf Of Asif Iqbal
Sent: Sunday, June 15, 2014 5:09 PM
To: tac_plus at shrubbery.net
Subject: [tac_plus] Need help with do_auth config

Let me know if there is a separate mailing list for do_auth related questions.

So I am trying to follow the do_auth.ini syntax and need some help.

I have setup the config file like below and failing to authorize.

Here is the do_auth.ini file

[users]
default =
    noprivs
foo =
    newgroup

[newgroup]
host_allow =
    .*
command_permit =
    show configuration.*
device_permit =
    .*

[noprivs]
host_deny =
    .*
device_deny =
    .*
command_deny =
    .*

Here is the error message

Username: iqbala
Password:
% Authorization failed.
Connection closed by foreign host.


Here is the relevant part in tacacs.conf

group = doauthaccess {
    after authorization "/usr/bin/python /root/do_auth/do_auth.pyc -i $address -fix_crs_bug -u $user -d $name -l /root/do_auth/do_auth.log -f /root/do_auth/do_auth.ini"
}

user = foo {
        login = PAM
        member = doauthaccess
}

If I change the member to another group which is regular group and not using after authorization, user ``foo'' can login fine.

I must not do doing something right.

Please advise.




--
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
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