[Users] Are pseudo variables supported in replace()?

Federico Giannici giannici at neomedia.it
Mon Nov 7 15:27:15 CET 2005

Bogdan-Andrei Iancu wrote:
> Frederico,
> as far as I can see, the subst() you try should remove the Proxy-Auth 
> hdr, right? why don't you use consume_credential() functions?

Because the credential are not used!

I noticed that some UAs send authorization data even when not required 
and NOT supposed to send (ACKs, BYEs, etc.).

As I don't want to forward over the credentials, I need a way to remove 
then, IF they exists AND are for my realm (and the realm is not known a 

Any solution?


> Federico Giannici wrote:
>> Bogdan-Andrei Iancu wrote:
>>> Hi Federico,
>>> the usage of pseudo-variables inside the regexp was avoided due 
>>> performance reasons - all regexp are compiled at startup, they being 
>>> only evaluated on runtime.
>>> By having variables into regexp, the compilation of the expression 
>>> will must be done each time at runtime :(.
>> What about to implement an "e" regular expressions modifier that make 
>> the regular expression be evaluated every time?
>>> there is only one attempt in this direction - it might help you ; see 
>>> the fm operator in avp_check :
>>>    http://www.openser.org/docs/modules/1.0.x/avpops.html#AEN325
>>> or
>>>    http://www.voice-system.ro/docs/avpops/ar01s06.html#avp_check
>> Humm...
>> I cannot find a way to use it to implement the following.
>> Do you?
>> subst( "/^Proxy-Authorization:.*realm=\"$avp(s:realm)\".*\n//i" );

    |-                      giannici at neomedia.it
    |ederico Giannici      http://www.neomedia.it

         Presidente del cda - NEOMEDIA srl

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