DIED: Can't call method "head" on an undefined value

[djzhh]

Version

6.2.60

Installation method

Puppet / yum:

perl-MIME-Charset.noarch 1.011.3-0.20141212.RHEL7 @sympa-ja.org
perl-MIME-EncWords.noarch 1.014.3-0.20141003.RHEL7 @sympa-ja.org
perl-Mail-DKIM.noarch 0.55-0.20190413.RHEL7 @sympa-ja.org
perl-libintl.x86_64 1.23-0.20140712.RHEL7 @sympa-ja.org
sympa.x86_64 6.2.60-1.el7 @epel
sympa-httpd.x86_64 6.2.60-1.el7 @epel

Expected behavior

Spool and send message.

Actual behavior

Sympa dies.

Jul 21 16:52:20 SYMPA-HOST sympa_msg[2215]: notice Sympa::Spindle::ProcessIncoming::_twist() Processing Sympa::Message <belle2@desy.de.1658413474.54403>; envelope_sender=andreas.gellrich@desy.de; message_id=519796AD-8248-4A6B-A420-8334FC2E4FAA@desy.de; sender=yves.kemp@desy.de

Jul 21 16:52:20 SYMPAHOST sympa_msg[2215]: info Sympa::Message::check_smime_signature() Sympa::Message <XXXX@YYYY.ZZ.1658413474.54403>: Unable to verify S/MIME signature: Crypt::SMIME#check: failed to check the signature: error:0D0D40D2:asn1 encoding routines:SMIME_read_ASN1:no multipart body failure at /usr/share/sympa/lib/Sympa/Message.pm line 1305.

Jul 21 16:52:20 SYMPAHOST sympa_msg[2215]: info Sympa::Spindle::DoMessage::_twist() Processing message Sympa::Message <XXXX@YYYY.ZZ.1658413474.54403> for Sympa::List <belle2@desy.de> with priority 5, <MSG-ID>

Jul 21 16:52:20 SYMPAHOST sympa_msg[2215]: err main::#243 > Sympa::Spindle::spin#95 > Sympa::Spindle::DoMessage::_twist#93 > Sympa::Spindle::DoMessage::_check_command#159 > Sympa::Message::get_plain_body#2480 > Sympa::Message::_as_singlepart#2549 > MIME::Entity::make_singlepart#1184 DIED: Can't call method "head" on an undefined value at /usr/share/perl5/vendor_perl/MIME/Entity.pm line 1184.

Steps to reproduce

Inject e-mail (reproducible) and SYMPA dies...

Additional information

Mail seems to be created by an Apple Mail client and is signed with S/MIME.

...
Content-Type: multipart/signed;
        boundary="Apple-Mail=_F11E6F9C-BEE4-43D1-8AA5-12D94EB037C6";
        protocol="application/pkcs7-signature";
        micalg=sha-256
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
...
X-Mailer: Apple Mail (2.3696.100.31)
...

--Apple-Mail=3D_F11E6F9C-BEE4-43D1-8AA5-12D94EB037C6
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
=09charset=3Dus-ascii

...mail content...


--Apple-Mail=3D_F11E6F9C-BEE4-43D1-8AA5-12D94EB037C6
Content-Disposition: attachment;
=09filename=3Dsmime.p7s
Content-Type: application/pkcs7-signature;
=09name=3Dsmime.p7s
Content-Transfer-Encoding: base64

MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCDk8=
w
ggbwMIIE2KADAgECAhEAqjJy7tobGaY39vJWKvTu8TANBgkqhkiG9w0BAQwFADCBiDELMAkGA1U=
E
BhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0plcnNleSBDaXR5MR4wHAYDVQQ=
K
ExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxLjAsBgNVBAMTJVVTRVJUcnVzdCBSU0EgQ2VydGlmaWN=
h
dGlvbiBBdXRob3JpdHkwHhcNMjAwMjE4MDAwMDAwWhcNMzMwNTAxMjM1OTU5WjBPMQswCQYDVQQ=
G
EwJOTDEZMBcGA1UEChMQR0VBTlQgVmVyZW5pZ2luZzElMCMGA1UEAxMcR0VBTlQgZVNjaWVuY2U=
g
UGVyc29uYWwgQ0EgNDCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJWiST25HVQAlFw=
2
...
K9hdNwcn+Mze4tlCzDrVDgFYXH8WzsRXsPCbo9I6cmeugF56pBgW7wqgnlczkjP+Bs/WOIuTkFD=
V
r9I/SKIpo2DjMmXwTFgpRrjf4DVCighbTDSWu2kdnyYx14Nl99yKu6Ckx2eCSAAAAAAAAA=3D=
=3D
--Apple-Mail=3D_F11E6F9C-BEE4-43D1-8AA5-12D94EB037C6--

I'm not familiar with S/MIME in depth, but those single letters on every other line seem suspicious...

[ikedas]

Hi @djzhh ,
I could reproduce the problem on my server.

Could you please apply this patch and check if the problem will be solved?

[djzhh]

The patch works :)
どうもありがとうございます, Ikeda さん

[ikedas]

@djzhh , こちらこそ、ありがとうございます。Thank you for reporting bug and confirming fix!