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Correct ARC signing for AR headers with authres-version or comments before resinfo (LP: #2052526) - Thanks to Nikolay Vizovitin for the report and the fix

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This commit is contained in:
Scott Kitterman
2024-06-23 17:06:31 -04:00
parent ed5931c0c9
commit 9380655a6e
3 changed files with 11 additions and 10 deletions
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dkim/tests/test_arc.py
+1 -1
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@@ -74,7 +74,7 @@ Y+vtSBczUiKERHv1yRbcaQtZFh5wtiRrN04BLUTD21MycBX5jYchHjPY/wIDAQAB"""
sig_lines = dkim.arc_sign(
self.message, b"test", b"example.com", self.key, b"lists.example.org", timestamp="12345")
expected_sig = [b'ARC-Seal: i=1; cv=none; a=rsa-sha256; d=example.com; s=test; t=12345;\r\n b=MBw2+L1/4PuYWJlt1tZlDtbOvyfbyH2t2N6DinFV/BIaB2LqbDKTYjXXk9HuuK1/qEkTd\r\n TxCYScIrtVO7pFbGiSawMuLatVzHNCqTURa1zBTXr2mKW1hgdmrtMMUcMVCYxr1AJpu6IYX\r\n VMIoOAn7tIDdO0VLokK6FnIXTWEAplQ=\r\n', b'ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed;\r\n d=example.com; s=test; t=12345; h=message-id : date : from : to :\r\n subject : from; bh=wE7NXSkgnx9PGiavN4OZhJztvkqPDlemV3OGuEnLwNo=;\r\n b=a0f6qc3k9eECTSR155A0TQS+LjqPFWfI/brQBA83EUz00SNxj1wmWykvs1hhBVeM0r1kE\r\n Qc6CKbzRYaBNSiFj4q8JBpRIujLz1qLyGmPuAI6ddu/Z/1hQxgpVcp/odmI1UMV2R+d+yQ7\r\n tUp3EQxF/GYNt22rV4rNmDmANZVqJ90=\r\n', b'ARC-Authentication-Results: i=1; lists.example.org; arc=none;\r\n spf=pass smtp.mfrom=jqd@d1.example;\r\n dkim=pass (1024-bit key) header.i=@d1.example;\r\n dmarc=pass\r\n']
expected_sig = [b'ARC-Seal: i=1; cv=none; a=rsa-sha256; d=example.com; s=test; t=12345;\r\n b=iSKjTQ93xUC6gt4yutHrOf0F/qb4E5voEeuucd66VhM4n/7ifBMMHqYwncgz9sefduM6C\r\n UthuUSzqE2YamkGXQgKPIG9t4ZCOrx1OXGE34WF9ZeI/E0csrN+wK7sq/RjgN3z4qxLPMsp\r\n lW+BUUHCNuCIvxcZ55Ky6evIb/Saj2o=\r\n', b'ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed;\r\n d=example.com; s=test; t=12345; h=message-id : date : from : to :\r\n subject : from; bh=wE7NXSkgnx9PGiavN4OZhJztvkqPDlemV3OGuEnLwNo=;\r\n b=a0f6qc3k9eECTSR155A0TQS+LjqPFWfI/brQBA83EUz00SNxj1wmWykvs1hhBVeM0r1kE\r\n Qc6CKbzRYaBNSiFj4q8JBpRIujLz1qLyGmPuAI6ddu/Z/1hQxgpVcp/odmI1UMV2R+d+yQ7\r\n tUp3EQxF/GYNt22rV4rNmDmANZVqJ90=\r\n', b'ARC-Authentication-Results: i=1; lists.example.org;\r\n arc=none;\r\n spf=pass smtp.mfrom=jqd@d1.example;\r\n dkim=pass header.i=@d1.example;\r\n dmarc=pass\r\n']
self.assertEqual(expected_sig, sig_lines)
(cv, res, reason) = dkim.arc_verify(b''.join(sig_lines) + self.message, dnsfunc=self.dnsfunc)