Bug#795133: SMIME does not work with non-ascii emails in RT 4.2.8-3 and 4.2.11-1

[Max Kosmach]

Package: request-tracker4
Version: 4.2.8-3
Severity: important
Tags: patch
Hi!

When SMIME support in 4.2.8-3 is enabled I have a problem with non-ascii signed 
emails.
When this email received by RT I see error like this in logs:

Aug 10 17:01:59 rt postfix/local[4066]: D66DD14A005: to=<rt@localdomain>, relay=local, delay=158, delays=158/0.03/0/0.4, dsn=4.3.0, status=deferred 
(temporary failure. Command output: RT server error.  The RT server which handled your email did not behave as expected. It said:  Cannot decode 
string with wide characters at /usr/lib/i386-linux-gnu/perl/5.20/Encode.pm line 175.  Stack:   [/usr/lib/i386-linux-gnu/perl/5.20/Encode.pm:175] 
[/usr/share/request-tracker4/lib/RT/Interface/Email/Auth/Crypt.pm:177]   [/usr/share/request-tracker4/lib/RT/Interface/Email.pm:1300] 
[/usr/share/request-tracker4/html/REST/1.0/NoAuth/mail-gateway:61]  )

Same problem with 4.2.11-1 when I send same email from CLI:

Cannot decode string with wide characters at 
/usr/lib/i386-linux-gnu/perl5/5.20/Encode.pm line 200.

Stack:
  [/usr/lib/i386-linux-gnu/perl5/5.20/Encode.pm:200]
  [/usr/share/request-tracker4/lib/RT/Interface/Email/Auth/Crypt.pm:177]
  [/usr/share/request-tracker4/lib/RT/Interface/Email.pm:1321]
  [/usr/share/request-tracker4/html/REST/1.0/NoAuth/mail-gateway:61]

RT server error.

I think patch below fixes this problem, but I don't know is this patch fully 
correct or not:

===
diff -urN /usr/share/request-tracker4/lib/RT/Crypt.pm 
/usr/share/request-tracker4/lib/RT/Crypt.pm.new
--- /usr/share/request-tracker4/lib/RT/Crypt.pm 2015-05-10 22:25:52.000000000 
+0300
+++ /usr/share/request-tracker4/lib/RT/Crypt.pm.new     2015-08-10 
22:14:50.916118963 +0300
@@ -545,7 +545,7 @@
         my $modify = $res{status_on}->head->modify;
         $res{status_on}->head->modify(1);
         $res{status_on}->head->add(
-            "X-RT-" . $protected->{'Protocol'} . "-Status" => $res{'status'}
+            "X-RT-" . $protected->{'Protocol'} . "-Status" => Encode::encode( 
"UTF-8", $res{'status'})
         );
         $res{status_on}->head->modify($modify);


===

If this patch correct - please apply it to debian package.

My SMIME config parts:
cat /etc/request-tracker4/RT_SiteConfig.d/98-smime

Set(@MailPlugins, 'Auth::MailFrom', 'Auth::Crypt');
Set(%SMIME,
        Enable => 1,
        OpenSSL => '/usr/bin/openssl',


        Keyring => '/var/lib/request-tracker4/data/smime',
        CAPath  => '/var/lib/request-tracker4/data/smime/signing-ca.pem',
        Passphrase => {
            'queue.addr...@example.com' => 'passphrase',
            '' => 'fallback',
        },
       AcceptUntrustedCAs=> 1,
    );
Set( %Crypt,
    Incoming                  => 'SMIME',
    Outgoing                  => undef,

    RejectOnUnencrypted       => 0,
    RejectOnMissingPrivateKey => 0,
    RejectOnBadData           => 0,

    AllowEncryptDataInDB      => 0,

    Dashboards => {
        Encrypt => 0,
        Sign    => 0,
    },
);


--
С уважением,
Космач Максим


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