[asterisk-dev] Truncated appdata

[Rob LaRubbio]

Thanks.  I've submitted issue
19137<https://issues.asterisk.org/view.php?id=19137>

<https://issues.asterisk.org/view.php?id=19137>-Rob

On Mon, Apr 18, 2011 at 7:30 PM, Tilghman Lesher <tilghman at meg.abyt.es>wrote:

> On Monday 18 April 2011 19:10:36 Rob LaRubbio wrote:
> > For a project I'm working on, we are using voiceglue to handle VXML
> > interactions with asterisk.  The project is using the Java asterisk
> > interface.  Running against both asterisk v1.6 and 1.8 we are seeing an
> > issue with the url sent to voiceglue getting truncated.  Specifically if
> > we send this message:
> >
> > action: Originate
> > actionid: 33517025_5#AJ_ORIGINATE_0
> > application: Agi
> > data:
> > agi://localhost/url=http%3A%2F%2F192.168.1.107%3A8080%2Fm%2Fmodule%2Far%
> > 2Fvxml%2Far%3Fr%3D1 async: true
> > variable: __AJ_TRACE_ID=AJ_ORIGINATE_0
> > channel: SIP/1000
> > timeout: 10000
> >
> > What gets passed to voiceglue is this URL:
> > http://192.168.1.107:8080/m/module/ar/vxml%
> >
> > I'm new to asterisk and this was my first glance into the code, but it
> > looks like in main/manager.c in action_originate (Line 3907) it copies
> > the data element of the message into a fast_orginate_helper struct:
> >
> > ast_copy_string(fast->appdata, appdata, sizeof(fast->appdata));
> >
> > However the struct definition for fast_originate_helper only provides 80
> > characters for appdata (char appdata[AST_MAX_EXTENSION];) and that isn't
> > big enough for a URL.  (elsewhere in the code I've seen appdata set to
> > 1024)
> >
> > I've searched through the issue system for 'appdata truncated' but
> > didn't find anything.  Apolgies if this is a dupe.  Anyway is there
> > another way to send urls to voiceglue through asterisk that accepts
> > longer URLs, or should this appdata definition be larger?  (Or am I
> > looking at the wrong part of the code?)  Thanks.
>
> Yes, the buffer should probably be larger.  An alternative method would
> be to set variables, then either originate an extension which retrieves
> those variables or retrieve those variables directly in the AGI, before
> doing anything else.
>
> Please file a bug on this.  Not only should that buffer be larger, but the
> app_tmp structure in main/pbx.c also needs to be increased (beyond the
> 256 character limit).
>
> --
> Tilghman
>
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