download: Add "%COMPAT" to the priority string.

Fixes <http://bugs.gnu.org/23311>.

* guix/build/download.scm (tls-wrap): Add 'set-session-priorities!' call.
master
Ludovic Courtès 2016-04-20 13:12:57 +02:00
parent 083b3a0e25
commit 967ee481e8
1 changed files with 7 additions and 0 deletions

View File

@ -274,6 +274,13 @@ host name without trailing dot."
(set-session-transport-fd! session (fileno port))
(set-session-default-priority! session)
;; The "%COMPAT" bit allows us to work around firewall issues (info
;; "(gnutls) Priority Strings"); see <http://bugs.gnu.org/23311>.
;; Explicitly disable SSLv3, which is insecure:
;; <https://tools.ietf.org/html/rfc7568>.
(set-session-priorities! session "NORMAL:%COMPAT:-VERS-SSL3.0")
(set-session-credentials! session (make-certificate-credentials))
;; Uncomment the following lines in case of debugging emergency.