diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/download.scm | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/guix/build/download.scm b/guix/build/download.scm index d98933a907..c081f3b29b 100644 --- a/guix/build/download.scm +++ b/guix/build/download.scm @@ -112,13 +112,25 @@ abbreviation of URI showing the scheme, host, and basename of the file." "Hold a weak reference from FROM to TO." (hashq-set! table from to)))) -(define (tls-wrap port) - "Return PORT wrapped in a TLS connection." +(define (tls-wrap port server) + "Return PORT wrapped in a TLS connection to SERVER. SERVER must be a DNS +host name without trailing dot." (define (log level str) (format (current-error-port) "gnutls: [~a|~a] ~a" (getpid) level str)) (let ((session (make-session connection-end/client))) + + ;; Some servers such as 'cloud.github.com' require the client to support + ;; the 'SERVER NAME' extension. However, 'set-session-server-name!' is + ;; not available in older GnuTLS releases. See + ;; <http://bugs.gnu.org/18526> for details. + (if (module-defined? (resolve-interface '(gnutls)) + 'set-session-server-name!) + (set-session-server-name! session server-name-type/dns server) + (format (current-error-port) + "warning: TLS 'SERVER NAME' extension not supported~%")) + (set-session-transport-fd! session (fileno port)) (set-session-default-priority! session) (set-session-credentials! session (make-certificate-credentials)) @@ -169,7 +181,7 @@ which is not available during bootstrap." (setvbuf s _IOFBF) (if (eq? 'https (uri-scheme uri)) - (tls-wrap s) + (tls-wrap s (uri-host uri)) s)) (lambda args ;; Connection failed, so try one of the other addresses. |