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bin/doctor: add SSL/TLS tests

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This commit is contained in:
Henrik Lissner 2017-05-23 22:54:02 +02:00
parent f2c2550549
commit af286043a4
1 changed files with 65 additions and 30 deletions
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45
bin/doctor
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@ -98,8 +98,8 @@
;; --- is the environment set up properly? --------------------
;; gnutls-cli & openssl
(unless (executable-find "gnutls-cli")
(cond ((executable-find "openssl")
(cond ((executable-find "gnutls-cli"))
((executable-find "openssl")
(let* ((output (shell-command-to-string "openssl ciphers -v"))
(protocols
(let (protos)
@ -116,10 +116,10 @@
"vulnerabilities in the SSL2/3 & TLS1.0 protocols. You should use "
"TLS 1.1+, which wasn't introduced until OpenSSL v1.0.1.\n\n"
"Please considering updating (or installing gnutls-cli, which is preferred).")))))
"Please consider updating (or install gnutls-cli, which is preferred).")))))
(t
(check! t
(error! "Important: couldn't find either gnutls-cli or openssl")
(error! "Important: couldn't find either gnutls-cli nor openssl")
(explain!
"You won't be able to install/update packages because Emacs won't be able to "
"verify HTTPS ELPA sources. Install gnutls-cli or openssl v1.0.0+. If for some "
@ -131,7 +131,42 @@
"But remember that you're leaving your security in the hands of your "
"network, provider, government, neckbearded mother-in-laws, geeky roommates, "
"or just about anyone who knows more about computers than you do!")))))
"or just about anyone who knows more about computers than you do!"))))
(cond ((or (executable-find "gnutls-cli")
(executable-find "openssl"))
(let ((tls-checktrust t)
(gnutls-verify-error t))
(dolist (url '("https://elpa.gnu.org/packages/archive-contents"
"https://melpa.org/packages/archive-contents"))
(condition-case ex
(let (result)
(let ((inhibit-message t))
(url-retrieve url (lambda (status &rest _) (setq result status))))
(while (not result) (sleep-for 1))
(when (getenv "DEBUG")
(success! "Verified %s" (nth 2 (split-string url "/")))))
('error
(check! t
(error! "Rejected %s" url)
(explain! (pp-to-string ex))))))
(dolist (url '("https://self-signed.badssl.com"
"https://wrong.host.badssl.com/"))
(condition-case ex
(let (result)
(let ((inhibit-message t))
(url-retrieve url (lambda (status &rest _) (setq result status))))
(while (not result) (sleep-for 1))
(check! t
(warn! "Verified %s (this shouldn't happen!)" (nth 2 (split-string url "/")))
(explain! (pp-to-string result))))
('error
(when (getenv "DEBUG")
(success! "Rejected %s (a good thing!)" url)
(explain! (pp-to-string ex))))))))
(t
(error! "Nope!")))
;; git
(check! (not (executable-find "git"))