Handle PKCS#7 S/MIME messages

[Tomi Ollila]

On Thu, Apr 30 2020, Daniel Kahn Gillmor wrote:

> This series applies after the "Add tests for S/MIME PKCS#7 messages"
> series, which was introduced in
> id:20200428185723.660184-1-dkg at fifthhorseman.net
>
> With this series applied, notmuch handles standard PKCS#7 S/MIME
> messages (using GnuPG's gpgsm as a backend, as mediated by GMime's use
> of GPGME) as well as it handles PGP/MIME messages.
>
> In addition to showing and replying to these messages, the series
> covers indexing the cleartext of encrypted messages, and understanding
> protected headers.

I did not see anything suspicious in code, but

I got these test failures:

in ubuntu 19.10 native environment, and

in debian 10 (podman) container running in fedora 31 system


T355-smime: Testing S/MIME signature verification and decryption
 FAIL   Verify signature on PKCS#7 SignedData message
 crypto: value not equal: data[0][0][0]["crypto"]["signed"]["status"][0] =
 {'status': 'good', 
  'fingerprint': '702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB', 
  'created': 1574813489,
  'expires': 2611032858} != 
 {'created': 1574813489, 
  'expires': 2611032858,
  'fingerprint': '702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB', 
  'userid': 'CN=Alice Lovelace', 
  'status': 'good'}

T356-protected-headers: Testing Message decryption with protected headers
 FAIL   verify signed PKCS#7 subject (multipart-signed)
 sig_uid: object not found:  data[0][0][0]["crypto"]["signed"]["status"][0]["userid"]
 FAIL   verify signed PKCS#7 subject (onepart-signed)
 sig_uid: object not found: data[0][0][0]["crypto"]["signed"]["status"][0]["userid"]
 FAIL   confirm signed and encrypted PKCS#7 subject (sign+enc)
 sig_uid: object not found: data[0][0][0]["crypto"]["signed"]["status"][0]["userid"]
 FAIL   confirm signed and encrypted PKCS#7 subject (sign+enc+legacy-disp)
 sig_uid: object not found: data[0][0][0]["crypto"]["signed"]["status"][0]["userid"]

>
>           --dkg

Tomi