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Avoid elisp crash for OpenPGP User IDs with no e-mail address

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* lisp/gnus/mml-sec.el (mml-secure-check-user-id): Verify that
there is an e-mail address in the current User ID before trying
to downcase it.  (Bug#34121)

Copyright-paperwork-exempt: yes
This commit is contained in:
Daniel Kahn Gillmor 2019-01-18 03:12:07 -05:00 • committed by Eli Zaretskii
parent 68e55a0bfc
commit 90177d7f12
1 changed files with 2 additions and 0 deletions
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2
lisp/gnus/mml-sec.el
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@ -658,6 +658,8 @@ The passphrase is read and cached."
(catch 'break
(dolist (uid uids nil)
(if (and (stringp (epg-user-id-string uid))
(car (mail-header-parse-address
(epg-user-id-string uid)))
(equal (downcase (car (mail-header-parse-address
(epg-user-id-string uid))))
(downcase (car (mail-header-parse-address