Feature request - TNEF parsing

[Mario Mikocevic]

Heya,

how can setup balsa so it can parse incoming emails with attached winmail.dat  
(TNEF) ?

With parsing I mean in GUI Message Parts display tree.
I do have ytnef installed.

Currently I have to save winmail.dat attachment and run it through ->

Example:
   ytnef -v winmail.dat
      Parse with verbose output, don't save
   ytnef -f . winmail.dat
      Parse and save all attachments to local directory (.)


TIA,

--
T-Com
Odjel za upravljanje mrežom i uslužnim platformama /
/ Network and Service Platform Operations Department.
Mario Mikočević
Draškovićeva 26, Zagreb, 10000
[phone]
[phone] (fax)
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mario dot mikocevic at t-com dot hr
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[Peter Bloomfield]

Hey Mario:

On 10/19/2009 05:54:07 AM Mon, Mario Mikocevic wrote:

> Heya,
>
> how can setup balsa so it can parse incoming emails with attached  
> winmail.dat (TNEF) ?
>
> With parsing I mean in GUI Message Parts display tree.
> I do have ytnef installed.
>
> Currently I have to save winmail.dat attachment and run it through ->
>
> Example:
>   ytnef -v winmail.dat
>      Parse with verbose output, don't save
>   ytnef -f . winmail.dat
>      Parse and save all attachments to local directory (.)

The f11 ytnef package contains a Perl filter, ytnefprocess.pl, which  
appears to do what you want (except that it hard-codes an incorrect path  
to the ytnef executable).  Some Debian notes suggested that adding

####################################################################
# TNEF Attachments
:0
* ^X-MS-TNEF-Correlator
{
   :0 fw B
   * winmail.dat
   |/usr/bin/ytnefprocess.pl
}

to your .procmailrc would call it when necessary, but that's pure  
guesswork on my part--procmail rules are totally inscrutable to me :(

I'm waiting for a TNEF attachment to test it...

Best,

Peter


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[Peter Bloomfield]

On 10/20/2009 06:01:17 PM Tue, Peter Bloomfield wrote:
> Hey Mario:
>
> On 10/19/2009 05:54:07 AM Mon, Mario Mikocevic wrote:
>> Heya,
>>
>> how can setup balsa so it can parse incoming emails with attached  
>> winmail.dat (TNEF) ?
[ snip ]

> The f11 ytnef package contains a Perl filter, ytnefprocess.pl, which  
> appears to do what you want (except that it hard-codes an incorrect path  
> to the ytnef executable).  Some Debian notes suggested that adding
>
> ####################################################################
> # TNEF Attachments
> :0
> * ^X-MS-TNEF-Correlator
> {
>   :0 fw B
>   * winmail.dat
>   |/usr/bin/ytnefprocess.pl
> }
>
> to your .procmailrc would call it when necessary

Well, no, that doesn't seem to work.  If I pipe a message through  
ytnefprocess.pl > some-file, I can add some-file as an mbox and the  
message has the contents of the TNEF part added as extra MIME parts.  But  
that procmail rule doesn't do anything :(

Help, anyone?

Peter


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[Pawel Salek-4]

On 10/21/2009 03:01:07 PM, Peter Bloomfield wrote:

>> ####################################################################
>> # TNEF Attachments
>> :0
>> * ^X-MS-TNEF-Correlator
>> {
>>   :0 fw B
>>   * winmail.dat
>>   |/usr/bin/ytnefprocess.pl
>> }
>>
>> to your .procmailrc would call it when necessary
>
> Well, no, that doesn't seem to work.  If I pipe a message through  
> ytnefprocess.pl > some-file, I can add some-file as an mbox and the  
> message has the contents of the TNEF part added as extra MIME parts.  
> But that procmail rule doesn't do anything :(

The recipe above runs ytnefprocess.pl as a filter for every message  
provided that it has X-MS-TNEF-Correlator header and its body contains  
winmail.dat string. The exit result of yynefprocess.pl is checked and  
the message is discarded if the message is nonzero.

I am not familiar with ypnetprocess.pl - maybe it returns non-zero exit  
result?

The ytnef documentation (/usr/share/doc/ytnef-2.6/README) suggest to  
use a basically identical rule:

If you want to use ytnefprocess.pl, then make sure to do the following:

         1) Make a directory ~/.ytnef
         2) Make a directory ~/.ytnef/output
         3) Install the MIME::Parser perl module.  You can do this with:
                 perl -MCPAN -e shell
                 (let it load)
                 install MIME::Parser
         4) Copy ytnefprocess.pl & ytnef to a place like /usr/bin.
         5) Create a .procmailrc something like this:

             PATH=/bin:/usr/bin
             :0fw
             * > 0
             | /usr/bin/ytnefprocess.pl
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[Peter Bloomfield]

On Oct 21, 2009, at 12:22 PM, Pawel Salek wrote:
[ snip ]
> The recipe above runs ytnefprocess.pl as a filter for every message  
> provided that it has X-MS-TNEF-Correlator header and its body contains  
> winmail.dat string. The exit result of yynefprocess.pl is checked and  
> the message is discarded if the message is nonzero.

Ahhh...so it matches only if the X-MS-TNEF-Correlator header is among the  
*top-level* headers--I was testing it with some old mail that I forwarded  
to myself, and it was an *embedded* header.

Actually, looking for "winmail.dat" isn't really relevant, since using  
that file-name isn't required.  We should really check for an  
"application/ms-tnef" mime part, so something like this is probably better:

####################################################################
# TNEF Attachments
:0 fw B
* ^Content-Type:[ \t]*application/ms-tnef;
|/usr/bin/ytnefprocess.pl

or if we wanted to avoid scanning every message body and we wanted to  
decode the part only when the original sender is the TNEF-Correlator,  
perhaps

####################################################################
# TNEF Attachments
:0
* ^X-MS-TNEF-Correlator
{
   :0 fw B
   * ^Content-Type:[ \t]*application/ms-tnef;
   |/usr/bin/ytnefprocess.pl
}

Thanks!

Peter


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