(imap-cram-md5-auth): Specify the 4th arg to `md5' as `binary' if possible.

[elisp/gnus.git-] / lisp / imap.el

diff --git a/lisp/imap.el b/lisp/imap.el
index f3cd50d..d46b383 100644 (file)
--- a/lisp/imap.el
+++ b/lisp/imap.el
@@ -132,18 +132,20 @@
 
 ;;; Code:
 
+(eval-when-compile (require 'cl))
+
 (eval-and-compile
-  (require 'cl)
   (autoload 'open-ssl-stream "ssl")
-  (autoload 'base64-decode-string "base64")
+  (autoload 'base64-decode-string "mel")
   (autoload 'base64-encode-string "mel")
   (autoload 'rfc2104-hash "rfc2104")
-  (autoload 'md5 "md5")
   (autoload 'utf7-encode "utf7")
   (autoload 'utf7-decode "utf7")
   (autoload 'format-spec "format-spec")
   (autoload 'format-spec-make "format-spec"))
 
+(autoload 'md5 "md5")
+
 ;; User variables.
 
 (defvar imap-imtest-program "imtest -kp %s %p"
@@ -312,7 +314,7 @@ string).")
   "Non-nil indicates that the server emitted a continuation request. The
 actually value is really the text on the continuation line.")
 
-(defvar imap-log "*imap-log*"
+(defvar imap-log nil
   "Imap session trace.")
 
 (defvar imap-debug nil;"*imap-debug*"
@@ -542,7 +544,12 @@ successful, nil otherwise."
        "AUTHENTICATE CRAM-MD5"
        (lambda (challenge)
          (let* ((decoded (base64-decode-string challenge))
-                (hash (rfc2104-hash 'md5 64 16 passwd decoded))
+                (hash-function (if (and (featurep 'xemacs)
+                                        (>= (function-max-args 'md5) 4))
+                                   (lambda (object &optional start end)
+                                     (md5 object start end 'binary))
+                                 'md5))
+                (hash (rfc2104-hash hash-function 64 16 passwd decoded))
                 (response (concat user " " hash))
                 (encoded (base64-encode-string response)))
            encoded))))))))