;;
;; imap.el support RFC1730/2060 (IMAP4/IMAP4rev1), implemented IMAP
;; extensions are RFC2195 (CRAM-MD5), RFC2086 (ACL), RFC2342
-;; (NAMESPACE), RFC2359 (UIDPLUS), the IMAP-part of RFC2595 (STARTTLS)
-;; (with use of external library starttls.el and program starttls) and
-;; the GSSAPI / kerberos V4 sections of RFC1731 (with use of external
-;; program `imtest'). It also take advantage the UNSELECT extension
-;; in Cyrus IMAPD.
+;; (NAMESPACE), RFC2359 (UIDPLUS), the IMAP-part of RFC2595 (STARTTLS,
+;; LOGINDISABLED) (with use of external library starttls.el and
+;; program starttls) and the GSSAPI / kerberos V4 sections of RFC1731
+;; (with use of external program `imtest'). It also take advantage
+;; the UNSELECT extension in Cyrus IMAPD.
;;
;; Without the work of John McClary Prevost and Jim Radford this library
;; would not have seen the light of day. Many thanks.
(eval-when-compile (require 'cl))
(eval-when-compile (require 'static))
+(require 'base64)
+
(eval-and-compile
(autoload 'open-ssl-stream "ssl")
- (autoload 'base64-decode-string "base64")
- (autoload 'base64-encode-string "base64")
(autoload 'starttls-open-stream "starttls")
(autoload 'starttls-negotiate "starttls")
(autoload 'rfc2104-hash "rfc2104")
(goto-char (point-max))
(insert-buffer-substring buffer)))
(erase-buffer)
- (message "Kerberos 4 IMAP connection: %s" (or response "failed"))
+ (message "Opening Kerberos 4 IMAP connection with `%s'...%s" cmd
+ (if response (concat "done, " response) "failed"))
(if (and response (let ((case-fold-search nil))
(not (string-match "failed" response))))
(setq done process)
(progn
(message "imap: Opening SSL connection with `%s'...done" cmd)
done)
- (message "imap: Failed opening SSL connection")
+ (message "imap: Opening SSL connection with `%s'...failed" cmd)
nil)))
(defun imap-network-p (buffer)
(progn
(message "imap: Opening IMAP connection with `%s'...done" cmd)
done)
- (message "imap: Failed opening IMAP connection")
+ (message "imap: Opening IMAP connection with `%s'...failed" cmd)
nil)))
(defun imap-starttls-p (buffer)
- (and (condition-case ()
- (require 'starttls)
- (error nil))
- (imap-capability 'STARTTLS buffer)))
+ (and (imap-capability 'STARTTLS buffer)
+ (condition-case ()
+ (progn
+ (require 'starttls)
+ (call-process "starttls"))
+ (error nil))))
(defun imap-starttls-open (name buffer server port)
(let* ((port (or port imap-default-port))
(process (as-binary-process
- (starttls-open-stream name buffer server port))))
+ (starttls-open-stream name buffer server port)))
+ done)
+ (message "imap: Connecting with STARTTLS...")
(when process
(while (and (memq (process-status process) '(open run))
(goto-char (point-min))
(starttls-negotiate imap-process)))
(set-process-filter imap-process nil)))
(when (memq (process-status process) '(open run))
- process))))
+ (setq done process)))
+ (if done
+ (progn
+ (message "imap: Connecting with STARTTLS...done")
+ done)
+ (message "imap: Connecting with STARTTLS...failed")
+ nil)))
;; Server functions; authenticator stuff:
(imap-capability 'AUTH=GSSAPI buffer))
(defun imap-gssapi-auth (buffer)
+ (message "imap: Authenticating using GSSAPI...%s"
+ (if (eq imap-stream 'gssapi) "done" "failed"))
(eq imap-stream 'gssapi))
(defun imap-kerberos4-auth-p (buffer)
(imap-capability 'AUTH=KERBEROS_V4 buffer))
(defun imap-kerberos4-auth (buffer)
+ (message "imap: Authenticating using Kerberos 4...%s"
+ (if (eq imap-stream 'kerberos4) "done" "failed"))
(eq imap-stream 'kerberos4))
(defun imap-cram-md5-p (buffer)
(defun imap-cram-md5-auth (buffer)
"Login to server using the AUTH CRAM-MD5 method."
- (imap-interactive-login
- buffer
- (lambda (user passwd)
- (imap-ok-p
- (imap-send-command-wait
- (list
- "AUTHENTICATE CRAM-MD5"
- (lambda (challenge)
- (let* ((decoded (base64-decode-string challenge))
- (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))))))))
+ (message "imap: Authenticating using CRAM-MD5...")
+ (let ((done (imap-interactive-login
+ buffer
+ (lambda (user passwd)
+ (imap-ok-p
+ (imap-send-command-wait
+ (list
+ "AUTHENTICATE CRAM-MD5"
+ (lambda (challenge)
+ (let* ((decoded (base64-decode-string challenge))
+ (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)))))))))
+ (if done
+ (message "imap: Authenticating using CRAM-MD5...done")
+ (message "imap: Authenticating using CRAM-MD5...failed"))))
(defun imap-login-p (buffer)
- (not (imap-capability 'X-LOGIN-CMD-DISABLED buffer)))
+ (and (not (imap-capability 'LOGINDISABLED buffer))
+ (not (imap-capability 'X-LOGIN-CMD-DISABLED buffer))))
(defun imap-login-auth (buffer)
"Login to server using the LOGIN command."
+ (message "imap: Plaintext authentication...")
(imap-interactive-login buffer
(lambda (user passwd)
(imap-ok-p (imap-send-command-wait
t)
(defun imap-anonymous-auth (buffer)
+ (message "imap: Loging in anonymously...")
(with-current-buffer buffer
(imap-ok-p (imap-send-command-wait
(concat "LOGIN anonymous \"" (concat (user-login-name) "@"
(system-name)) "\"")))))
(defun imap-digest-md5-p (buffer)
- (and (condition-case ()
+ (and (imap-capability 'AUTH=DIGEST-MD5 buffer)
+ (condition-case ()
(require 'digest-md5)
- (error nil))
- (imap-capability 'AUTH=DIGEST-MD5 buffer)))
+ (error nil))))
(defun imap-digest-md5-auth (buffer)
"Login to server using the AUTH DIGEST-MD5 method."
+ (message "imap: Authenticating using DIGEST-MD5...")
(imap-interactive-login
buffer
(lambda (user passwd)
(setq imap-port (or port imap-port))
(setq imap-auth (or auth imap-auth))
(setq imap-stream (or stream imap-stream))
- (when (let ((imap-stream (or imap-stream imap-default-stream)))
- (imap-open-1 buffer))
- ;; Choose stream.
- (let (stream-changed)
- (when (null imap-stream)
- (let ((streams imap-streams))
- (while (setq stream (pop streams))
- (if (funcall (nth 1 (assq stream imap-stream-alist)) buffer)
- (setq stream-changed (not (eq (or imap-stream
- imap-default-stream)
- stream))
- imap-stream stream
- streams nil)))
- (unless imap-stream
- (error "Couldn't figure out a stream for server"))))
- (when stream-changed
- (message "Reconnecting with %s..." imap-stream)
- (imap-close buffer)
- (imap-open-1 buffer)
- (setq imap-capability nil)))
- (if (imap-opened buffer)
- ;; Choose authenticator
- (when (and (null imap-auth) (not (eq imap-state 'auth)))
- (let ((auths imap-authenticators))
- (while (setq auth (pop auths))
- (if (funcall (nth 1 (assq auth imap-authenticator-alist))
- buffer)
- (setq imap-auth auth
- auths nil)))
- (unless imap-auth
- (error "Couldn't figure out authenticator for server"))))))
+ (message "imap: Connecting to %s..." imap-server)
+ (if (let ((imap-stream (or imap-stream imap-default-stream)))
+ (imap-open-1 buffer))
+ ;; Choose stream.
+ (let (stream-changed)
+ (message "imap: Connecting to %s...done" imap-server)
+ (when (null imap-stream)
+ (let ((streams imap-streams))
+ (while (setq stream (pop streams))
+ (if (funcall (nth 1 (assq stream imap-stream-alist)) buffer)
+ (setq stream-changed (not (eq (or imap-stream
+ imap-default-stream)
+ stream))
+ imap-stream stream
+ streams nil)))
+ (unless imap-stream
+ (error "Couldn't figure out a stream for server"))))
+ (when stream-changed
+ (message "imap: Reconnecting with stream `%s'..." imap-stream)
+ (imap-close buffer)
+ (if (imap-open-1 buffer)
+ (message "imap: Reconnecting with stream `%s'...done"
+ imap-stream)
+ (message "imap: Reconnecting with stream `%s'...failed"
+ imap-stream))
+ (setq imap-capability nil))
+ (if (imap-opened buffer)
+ ;; Choose authenticator
+ (when (and (null imap-auth) (not (eq imap-state 'auth)))
+ (let ((auths imap-authenticators))
+ (while (setq auth (pop auths))
+ (if (funcall (nth 1 (assq auth imap-authenticator-alist))
+ buffer)
+ (setq imap-auth auth
+ auths nil)))
+ (unless imap-auth
+ (error "Couldn't figure out authenticator for server"))))))
+ (message "imap: Connecting to %s...failed" imap-server))
(when (imap-opened buffer)
(setq imap-mailbox-data (make-vector imap-mailbox-prime 0))
buffer)))
(defun imap-parse-flag-list ()
(let (flag-list start)
- (when (eq (char-after) ?\()
- (imap-forward)
- (while (and (not (eq (char-before) ?\)))
- (setq start (point))
- (> (skip-chars-forward "^ )" (gnus-point-at-eol)) 0))
- (push (buffer-substring start (point)) flag-list)
- (imap-forward))
- (nreverse flag-list))))
+ (assert (eq (char-after) ?\())
+ (while (and (not (eq (char-after) ?\)))
+ (setq start (progn (imap-forward) (point)))
+ (> (skip-chars-forward "^ )" (gnus-point-at-eol)) 0))
+ (push (buffer-substring start (point)) flag-list))
+ (assert (eq (char-after) ?\)))
+ (imap-forward)
+ (nreverse flag-list)))
;; envelope = "(" env-date SP env-subject SP env-from SP env-sender SP
;; env-reply-to SP env-to SP env-cc SP env-bcc SP
(imap-forward)
(push (imap-parse-nstring) body);; body-fld-desc
(imap-forward)
- (push (imap-parse-string) body);; body-fld-enc
+ ;; next `or' for Sun SIMS bug, it regard body-fld-enc as a
+ ;; nstring and return NIL instead of defaulting back to 7BIT
+ ;; as the standard says.
+ (push (or (imap-parse-nstring) "7BIT") body);; body-fld-enc
(imap-forward)
(push (imap-parse-number) body);; body-fld-octets