[imp] Encrypted/Signed Smime not displayed

[Philipp Faeustlin]

Am 25.11.2017 um 16:26 schrieb Michael J Rubinsky:
> 
> Quoting Philipp Faeustlin <philipp.faeustlin at uni-hohenheim.de>:
> 
>> Hi there,
>>
>> I have encrypted and signed smime mails out of a Groupwise Client that 
>> are not displayed correctly. The signed message is only displayed as 
>> attachment "smime.p7m" File.
>>
>> These mails have an encrypted outer section:
>> ---
>> Content-Type: application/x-pkcs7-mime; name=smime.p7m
>> Content-Transfer-Encoding: base64
>> Content-Disposition: attachment;
>> ---
>> Within the encrypted part, there is a signed part with the message as:
>> ---
>> Content-Type: application/pkcs7-mime
>> Content-Transfer-Encoding: base64
>> Content-Disposition: attachment; filename="smime.p7m";
>> ---
>>
>> I think the ASN1 decoding of the decrypted "smime.p7m" file probably 
>> doesn't work correct.
>>
>> Because if the signed part is declared as
>> "Content-Type: application/x-pkcs7-mime; name=smime.p7m; 
>> smime-type=signed-data", with the smime-type field signed-data, the 
>> message is displayed.
>>
>> I researched the code and found a one line hack/work-around to display 
>> the messages correctly.
>>
>> I added to the [webdir]/imp/lib/Mime/Viewer/Smime.php the following on 
>> line 234:
>> $new_part->setContentTypeParameter('smime-type', 'signed-data');
>>
>> With this line added my problem is solved, but I'm not sure if this is 
>> the right solution to this problem. Or the other way round, I can't 
>> say what problem this line can cause.
>> Any ideas of a better solution?\
> 
> What version of IMP are you using?
> 
Imp 6.2.21
Horde_Crypt 2.7.11

The last release via pear.
>>
>> Best regards
>> -- 
>> Philipp Fäustlin
>>
>> -- 
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> 
> 
> 
> 
> 

-- 
Philipp Fäustlin
Universität Hohenheim
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