27 Jul
2005
27 Jul
'05
4:43 p.m.
You touched one of most important issues of (open)ser. It is rather
impossible to detect and handle from configuration script if there was a
failure inside the sip server or it was a normal behavior which returned
false.
The plan for openser is to add a new variable in config file similar to
'errno' from C which must be set to a proper value if an error occurred.
Since there is a lot of code where to do this, it will be done
gradually. In configuration file, 'if'/'switch' statements could be used
then to handle the error.
Now, (open)ser core itself is not able to generate SIP replies (only sl
and tm modules), so one option would be to move some code from this
functions to core, so automatic error replies can be sent.
As always, now you can use an 'ugly' hack to handle this case. Use
regexp over uri to detect if it has the form of "<foo.bar>(a)aptela.com'
and send back 400/416 with sl_send_reply().
Daniel
On 07/27/05 17:23, Kanakatti Mahesh Subramanya wrote:
Every now and then, some of our users take it into
their heads to muck
around with their fones, and they (usually) do not do anything evil.
However, I occassionally end up with sitiations where the fones
generate 'fun' SUBSCRIBE packets that look like
SUBSCRIBE <foo.bar>(a)aptela.com
yeah, thats '<foo.bar>', not 'foo.bar'
Which, by definition, causes openser to complain about parse_header
failing, etc., etc.
Short of scanning logs, doing ngreps, etc., is there any way to deal
with this?
I'd think the ability to deal with malformatted packets with a '400'
or '416' would be useful?
cheers
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