(RADIATOR) delete_attr('User-Name') in PreClientHook

[Toomas Kärner]

Hello all,

This is exactly what I'm trying to do, Camilo... that table being sessionDB.
I what to rewrite accounting records every time they come based on
SessionDB.

Frank Danielson,
Using ChangeUserName() is well known to me. But it does not solve my
problem because I want to completely remove it from the request and
add "real" username back with this configuration sample below.
I had my PrClientHook doing all that (fetching real username from
sessionDB and replacing it in request with ChangeUsername()) before
but I dont like having database transactions in a hook. Now, when
AuthenticateAccounting is also working I should have no problem doing
it all with config.

Rgds&Thnks
Toomas



Wednesday, February 22, 2006, 4:45:36 PM, you wrote:

> Hi Toomas

> when you rewrite the username, the NAS does not know about this, so
> in the accounting requests it sends the mac address again as username.
> one recomendation is to keep track of the MAC and username in a
> sepparate table and rewrite the accounting username based on that table.


> On 2/22/06, Toomas Kärner <tomkar at estpak.ee> wrote:
>  Hi,

> For some reason I'm unable to remove User-Name attribute from incoming
> Acct-Request with PreClientHook:
> sub {
> my $p = ${$_[0]};
> my $mac_username = $p->getUserName;
>     if ($mac_username) {
>          $p->delete_attr('User-Name');
        $p->>add_attr('ETC-Mac',$mac_username);
>         &main::log($main::LOG_DEBUG,"Username attribute with value
> $mac_username stripped and put into ETC-Mac"); 
>     }
> }

> Setup goes like this:
> Redback SE sends it CLIPS accounting :
> *** Received from x.x.x.x port 1812 ....
> Code:       Accounting-Request
> Identifier: 177
> Authentic:  p$<226>!G<226><17><249>81<18>5<202>Ho= 
> Attributes:
>         User-Name = "00:0b:cd:8c:61:ed"
>         Acct-Status-Type = Stop
>         Acct-Session-Id = "0001FFFF780001D3-43140C10"
>         Class = "127828"
>         . 
>         .

> For that NAS, MAC is the user since it does not know any better...
> Now I want to remove this username attribute and with PreClientHook
> and insert a real username based on information from sessionDB like 
> this:
> <AuthBy SQL>
>         Identifier GetDataFromSession
>         DBSource        dbi:mysql:xx:x.x.x.x
>         DBUsername      xxx
>         DBAuth          xxx
>         AuthenticateAccounting
>         AuthSelect      SELECT \ 
>                         username \
>                         from wnsession where \
>                         class_id = '%{Class}'
>         AuthColumnDef   0,      User-Name, request
>         NoDefault
> </AuthBy SQL> 

> But for some reason I still get the MAC later into accounting as the
> username.

> I have some workarounds but I dont like them very much and I got
> interested what I'm doing wrong...

> Rgds.
> Toomas 

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