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-rw-r--r--lisp/net/gnutls.el34
1 files changed, 26 insertions, 8 deletions
diff --git a/lisp/net/gnutls.el b/lisp/net/gnutls.el
index 17fef277736..1bc319c796e 100644
--- a/lisp/net/gnutls.el
+++ b/lisp/net/gnutls.el
@@ -39,6 +39,7 @@
(defgroup gnutls nil
"Emacs interface to the GnuTLS library."
+ :version "24.1"
:prefix "gnutls-"
:group 'net-utils)
@@ -46,8 +47,23 @@
"If non-nil, this should be a TLS priority string.
For instance, if you want to skip the \"dhe-rsa\" algorithm,
set this variable to \"normal:-dhe-rsa\"."
+ :group 'gnutls
:type '(choice (const nil)
- string))
+ string))
+
+(defcustom gnutls-trustfiles
+ '(
+ "/etc/ssl/certs/ca-certificates.crt" ; Debian, Ubuntu, Gentoo and Arch Linux
+ "/etc/pki/tls/certs/ca-bundle.crt" ; Fedora and RHEL
+ "/etc/ssl/ca-bundle.pem" ; Suse
+ "/usr/ssl/certs/ca-bundle.crt" ; Cygwin
+ )
+ "List of CA bundle location filenames or a function returning said list.
+The files may be in PEM or DER format, as per the GnuTLS documentation.
+The files may not exist, in which case they will be ignored."
+ :group 'gnutls
+ :type '(choice (function :tag "Function to produce list of bundle filenames")
+ (repeat (file :tag "Bundle filename"))))
;;;###autoload
(defcustom gnutls-min-prime-bits nil
@@ -116,7 +132,7 @@ TYPE is `gnutls-x509pki' (default) or `gnutls-anon'. Use nil for the default.
PROCESS is a process returned by `open-network-stream'.
HOSTNAME is the remote hostname. It must be a valid string.
PRIORITY-STRING is as per the GnuTLS docs, default is \"NORMAL\".
-TRUSTFILES is a list of CA bundles.
+TRUSTFILES is a list of CA bundles. It defaults to `gnutls-trustfiles'.
CRLFILES is a list of CRL files.
KEYLIST is an alist of (client key file, client cert file) pairs.
MIN-PRIME-BITS is the minimum acceptable size of Diffie-Hellman keys
@@ -154,18 +170,20 @@ here's a recent version of the list.
It must be omitted, a number, or nil; if omitted or nil it
defaults to GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT."
(let* ((type (or type 'gnutls-x509pki))
- (default-trustfile "/etc/ssl/certs/ca-certificates.crt")
(trustfiles (or trustfiles
- (when (file-exists-p default-trustfile)
- (list default-trustfile))))
+ (delq nil
+ (mapcar (lambda (f) (and f (file-exists-p f) f))
+ (if (functionp gnutls-trustfiles)
+ (funcall gnutls-trustfiles)
+ gnutls-trustfiles)))))
(priority-string (or priority-string
(cond
((eq type 'gnutls-anon)
"NORMAL:+ANON-DH:!ARCFOUR-128")
((eq type 'gnutls-x509pki)
- (if gnutls-algorithm-priority
- (upcase gnutls-algorithm-priority)
- "NORMAL")))))
+ (if gnutls-algorithm-priority
+ (upcase gnutls-algorithm-priority)
+ "NORMAL")))))
(min-prime-bits (or min-prime-bits gnutls-min-prime-bits))
(params `(:priority ,priority-string
:hostname ,hostname