Function: imap-gssapi-open

imap-gssapi-open is a byte-compiled function defined in imap.el.gz.

Signature

(imap-gssapi-open NAME BUFFER SERVER PORT)

Source Code

;; Defined in /usr/src/emacs/lisp/net/imap.el.gz
(defun imap-gssapi-open (name buffer server port)
  (let ((cmds imap-gssapi-program)
	cmd done)
    (while (and (not done) (setq cmd (pop cmds)))
      (message "Opening GSSAPI IMAP connection with `%s'..." cmd)
      (erase-buffer)
      (let* ((port (or port imap-default-port))
	     (coding-system-for-read imap-coding-system-for-read)
	     (coding-system-for-write imap-coding-system-for-write)
	     (process-connection-type imap-process-connection-type)
	     (process (start-process
		       name buffer shell-file-name shell-command-switch
                       (format-spec cmd `((?s . ,server)
                                          (?p . ,(number-to-string port))
                                          (?l . ,imap-default-user)))))
	     response)
	(when process
	  (with-current-buffer buffer
	    (setq imap-client-eol "\n"
		  imap-calculate-literal-size-first t)
	    (while (and (memq (process-status process) '(open run))
			(set-buffer buffer) ;; XXX "blue moon" nntp.el bug
			(goto-char (point-min))
			;; Athena IMTEST can output SSL verify errors
			(or (while (looking-at "^verify error:num=")
			      (forward-line))
			    t)
			(or (while (looking-at "^TLS connection established")
			      (forward-line))
			    t)
			;; cyrus 1.6.x (13? < x <= 22) queries capabilities
			(or (while (looking-at "^C:")
			      (forward-line))
			    t)
			;; cyrus 1.6 imtest print "S: " before server greeting
			(or (not (looking-at "S: "))
			    (forward-char 3)
			    t)
			;; GNU SASL may print 'Trying ...' first.
			(or (not (looking-at "Trying "))
			    (forward-line)
			    t)
			(not (and (imap-parse-greeting)
				  ;; success in imtest 1.6:
				  (re-search-forward
				   (concat "^\\(\\(Authenticat.*\\)\\|\\("
					   "Client authentication "
					   "finished.*\\)\\)")
				   nil t)
				  (setq response (match-string 1)))))
	      (accept-process-output process 1)
	      (sit-for 1))
	    (imap-log buffer)
	    (erase-buffer)
	    (message "GSSAPI IMAP connection: %s" (or response "failed"))
	    (if (and response (let ((case-fold-search nil))
				(not (string-match "failed" response))))
		(setq done process)
	      (if (memq (process-status process) '(open run))
		  (imap-logout))
	      (delete-process process)
	      nil)))))
    done))