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1 | ;;; sieve-manage.el --- Implementation of the managesive protocol in elisp |
2 | ;; Copyright (C) 2001, 2003 Free Software Foundation, Inc. | |
3 | ||
4 | ;; Author: Simon Josefsson <simon@josefsson.org> | |
5 | ||
6 | ;; This file is part of GNU Emacs. | |
7 | ||
8 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
9 | ;; it under the terms of the GNU General Public License as published by | |
10 | ;; the Free Software Foundation; either version 2, or (at your option) | |
11 | ;; any later version. | |
12 | ||
13 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
14 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | ;; GNU General Public License for more details. | |
17 | ||
18 | ;; You should have received a copy of the GNU General Public License | |
19 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
20 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | ;; Boston, MA 02111-1307, USA. | |
22 | ||
23 | ;;; Commentary: | |
24 | ||
25 | ;; This library provides an elisp API for the managesieve network | |
26 | ;; protocol. | |
27 | ;; | |
28 | ;; Currently only the CRAM-MD5 authentication mechanism is supported. | |
29 | ;; | |
30 | ;; The API should be fairly obvious for anyone familiar with the | |
31 | ;; managesieve protocol, interface functions include: | |
32 | ;; | |
33 | ;; `sieve-manage-open' | |
34 | ;; open connection to managesieve server, returning a buffer to be | |
35 | ;; used by all other API functions. | |
36 | ;; | |
37 | ;; `sieve-manage-opened' | |
38 | ;; check if a server is open or not | |
39 | ;; | |
40 | ;; `sieve-manage-close' | |
41 | ;; close a server connection. | |
42 | ;; | |
43 | ;; `sieve-manage-authenticate' | |
44 | ;; `sieve-manage-listscripts' | |
45 | ;; `sieve-manage-deletescript' | |
46 | ;; `sieve-manage-getscript' | |
47 | ;; performs managesieve protocol actions | |
48 | ;; | |
49 | ;; and that's it. Example of a managesieve session in *scratch*: | |
50 | ;; | |
51 | ;; (setq my-buf (sieve-manage-open "my.server.com")) | |
52 | ;; " *sieve* my.server.com:2000*" | |
53 | ;; | |
54 | ;; (sieve-manage-authenticate "myusername" "mypassword" my-buf) | |
55 | ;; 'auth | |
56 | ;; | |
57 | ;; (sieve-manage-listscripts my-buf) | |
58 | ;; ("vacation" "testscript" ("splitmail") "badscript") | |
59 | ;; | |
60 | ;; References: | |
61 | ;; | |
62 | ;; draft-martin-managesieve-02.txt, | |
63 | ;; "A Protocol for Remotely Managing Sieve Scripts", | |
64 | ;; by Tim Martin. | |
65 | ;; | |
66 | ;; Release history: | |
67 | ;; | |
68 | ;; 2001-10-31 Committed to Oort Gnus. | |
69 | ;; 2002-07-27 Added DELETESCRIPT. Suggested by Ned Ludd. | |
70 | ||
71 | ;;; Code: | |
72 | ||
73 | (require 'rfc2104) | |
74 | (or (fboundp 'md5) | |
75 | (require 'md5)) | |
76 | (eval-and-compile | |
77 | (autoload 'starttls-open-stream "starttls") | |
78 | (autoload 'starttls-negotiate "starttls")) | |
79 | ||
80 | ;; User customizable variables: | |
81 | ||
82 | (defgroup sieve-manage nil | |
83 | "Low-level Managesieve protocol issues." | |
84 | :group 'mail | |
85 | :prefix "sieve-") | |
86 | ||
87 | (defcustom sieve-manage-log "*sieve-manage-log*" | |
88 | "Name of buffer for managesieve session trace." | |
89 | :type 'string) | |
90 | ||
91 | (defcustom sieve-manage-default-user (user-login-name) | |
92 | "Default username to use." | |
93 | :type 'string) | |
94 | ||
95 | (defcustom sieve-manage-server-eol "\r\n" | |
96 | "The EOL string sent from the server." | |
97 | :type 'string) | |
98 | ||
99 | (defcustom sieve-manage-client-eol "\r\n" | |
100 | "The EOL string we send to the server." | |
101 | :type 'string) | |
102 | ||
103 | (defcustom sieve-manage-streams '(network starttls shell) | |
104 | "Priority of streams to consider when opening connection to server.") | |
105 | ||
106 | (defcustom sieve-manage-stream-alist | |
107 | '((network sieve-manage-network-p sieve-manage-network-open) | |
108 | (shell sieve-manage-shell-p sieve-manage-shell-open) | |
109 | (starttls sieve-manage-starttls-p sieve-manage-starttls-open)) | |
110 | "Definition of network streams. | |
111 | ||
112 | \(NAME CHECK OPEN) | |
113 | ||
114 | NAME names the stream, CHECK is a function returning non-nil if the | |
115 | server support the stream and OPEN is a function for opening the | |
116 | stream.") | |
117 | ||
118 | (defcustom sieve-manage-authenticators '(cram-md5 plain) | |
119 | "Priority of authenticators to consider when authenticating to server.") | |
120 | ||
121 | (defcustom sieve-manage-authenticator-alist | |
122 | '((cram-md5 sieve-manage-cram-md5-p sieve-manage-cram-md5-auth) | |
123 | (plain sieve-manage-plain-p sieve-manage-plain-auth)) | |
124 | "Definition of authenticators. | |
125 | ||
126 | \(NAME CHECK AUTHENTICATE) | |
127 | ||
128 | NAME names the authenticator. CHECK is a function returning non-nil if | |
129 | the server support the authenticator and AUTHENTICATE is a function | |
130 | for doing the actual authentication.") | |
131 | ||
132 | (defcustom sieve-manage-default-port 2000 | |
133 | "Default port number for managesieve protocol." | |
134 | :type 'integer) | |
135 | ||
136 | ;; Internal variables: | |
137 | ||
138 | (defconst sieve-manage-local-variables '(sieve-manage-server | |
139 | sieve-manage-port | |
140 | sieve-manage-auth | |
141 | sieve-manage-stream | |
142 | sieve-manage-username | |
143 | sieve-manage-password | |
144 | sieve-manage-process | |
145 | sieve-manage-client-eol | |
146 | sieve-manage-server-eol | |
147 | sieve-manage-capability)) | |
148 | (defconst sieve-manage-default-stream 'network) | |
149 | (defconst sieve-manage-coding-system-for-read 'binary) | |
150 | (defconst sieve-manage-coding-system-for-write 'binary) | |
151 | (defvar sieve-manage-stream nil) | |
152 | (defvar sieve-manage-auth nil) | |
153 | (defvar sieve-manage-server nil) | |
154 | (defvar sieve-manage-port nil) | |
155 | (defvar sieve-manage-username nil) | |
156 | (defvar sieve-manage-password nil) | |
157 | (defvar sieve-manage-state 'closed | |
158 | "Managesieve state. | |
159 | Valid states are `closed', `initial', `nonauth', and `auth'.") | |
160 | (defvar sieve-manage-process nil) | |
161 | (defvar sieve-manage-capability nil) | |
162 | ||
163 | ;; Internal utility functions | |
164 | ||
165 | (defsubst sieve-manage-disable-multibyte () | |
166 | "Enable multibyte in the current buffer." | |
167 | (when (fboundp 'set-buffer-multibyte) | |
168 | (set-buffer-multibyte nil))) | |
169 | ||
170 | ;; Uses the dynamically bound `reason' variable. | |
171 | (defvar reason) | |
172 | (defun sieve-manage-interactive-login (buffer loginfunc) | |
173 | "Login to server in BUFFER. | |
174 | LOGINFUNC is passed a username and a password, it should return t if | |
175 | it where sucessful authenticating itself to the server, nil otherwise. | |
176 | Returns t if login was successful, nil otherwise." | |
177 | (with-current-buffer buffer | |
178 | (make-variable-buffer-local 'sieve-manage-username) | |
179 | (make-variable-buffer-local 'sieve-manage-password) | |
180 | (let (user passwd ret reason) | |
181 | ;; (condition-case () | |
182 | (while (or (not user) (not passwd)) | |
183 | (setq user (or sieve-manage-username | |
184 | (read-from-minibuffer | |
185 | (concat "Managesieve username for " | |
186 | sieve-manage-server ": ") | |
187 | (or user sieve-manage-default-user)))) | |
188 | (setq passwd (or sieve-manage-password | |
189 | (read-passwd | |
190 | (concat "Managesieve password for " user "@" | |
191 | sieve-manage-server ": ")))) | |
192 | (when (and user passwd) | |
193 | (if (funcall loginfunc user passwd) | |
194 | (progn | |
195 | (setq ret t | |
196 | sieve-manage-username user) | |
197 | (if (and (not sieve-manage-password) | |
198 | (y-or-n-p "Store password for this session? ")) | |
199 | (setq sieve-manage-password passwd))) | |
200 | (if reason | |
201 | (message "Login failed (reason given: %s)..." reason) | |
202 | (message "Login failed...")) | |
203 | (setq reason nil) | |
204 | (setq passwd nil) | |
205 | (sit-for 1)))) | |
206 | ;; (quit (with-current-buffer buffer | |
207 | ;; (setq user nil | |
208 | ;; passwd nil))) | |
209 | ;; (error (with-current-buffer buffer | |
210 | ;; (setq user nil | |
211 | ;; passwd nil)))) | |
212 | ret))) | |
213 | ||
214 | (defun sieve-manage-erase (&optional p buffer) | |
215 | (let ((buffer (or buffer (current-buffer)))) | |
216 | (and sieve-manage-log | |
217 | (with-current-buffer (get-buffer-create sieve-manage-log) | |
218 | (sieve-manage-disable-multibyte) | |
219 | (buffer-disable-undo) | |
220 | (goto-char (point-max)) | |
221 | (insert-buffer-substring buffer (with-current-buffer buffer | |
222 | (point-min)) | |
223 | (or p (with-current-buffer buffer | |
224 | (point-max))))))) | |
225 | (delete-region (point-min) (or p (point-max)))) | |
226 | ||
227 | (defun sieve-manage-open-1 (buffer) | |
228 | (with-current-buffer buffer | |
229 | (sieve-manage-erase) | |
230 | (setq sieve-manage-state 'initial | |
231 | sieve-manage-process | |
232 | (condition-case () | |
233 | (funcall (nth 2 (assq sieve-manage-stream | |
234 | sieve-manage-stream-alist)) | |
235 | "sieve" buffer sieve-manage-server sieve-manage-port) | |
236 | ((error quit) nil))) | |
237 | (when sieve-manage-process | |
238 | (while (and (eq sieve-manage-state 'initial) | |
239 | (memq (process-status sieve-manage-process) '(open run))) | |
240 | (message "Waiting for response from %s..." sieve-manage-server) | |
241 | (accept-process-output sieve-manage-process 1)) | |
242 | (message "Waiting for response from %s...done" sieve-manage-server) | |
243 | (and (memq (process-status sieve-manage-process) '(open run)) | |
244 | sieve-manage-process)))) | |
245 | ||
246 | ;; Streams | |
247 | ||
248 | (defun sieve-manage-network-p (buffer) | |
249 | t) | |
250 | ||
251 | (defun sieve-manage-network-open (name buffer server port) | |
252 | (let* ((port (or port sieve-manage-default-port)) | |
253 | (coding-system-for-read sieve-manage-coding-system-for-read) | |
254 | (coding-system-for-write sieve-manage-coding-system-for-write) | |
255 | (process (open-network-stream name buffer server port))) | |
256 | (when process | |
257 | (while (and (memq (process-status process) '(open run)) | |
258 | (set-buffer buffer) ;; XXX "blue moon" nntp.el bug | |
259 | (goto-char (point-min)) | |
260 | (not (sieve-manage-parse-greeting-1))) | |
261 | (accept-process-output process 1) | |
262 | (sit-for 1)) | |
263 | (sieve-manage-erase nil buffer) | |
264 | (when (memq (process-status process) '(open run)) | |
265 | process)))) | |
266 | ||
267 | (defun imap-starttls-p (buffer) | |
268 | ;; (and (imap-capability 'STARTTLS buffer) | |
269 | (condition-case () | |
270 | (progn | |
271 | (require 'starttls) | |
272 | (call-process "starttls")) | |
273 | (error nil))) | |
274 | ||
275 | (defun imap-starttls-open (name buffer server port) | |
276 | (let* ((port (or port sieve-manage-default-port)) | |
277 | (coding-system-for-read sieve-manage-coding-system-for-read) | |
278 | (coding-system-for-write sieve-manage-coding-system-for-write) | |
279 | (process (starttls-open-stream name buffer server port)) | |
280 | done) | |
281 | (when process | |
282 | (while (and (memq (process-status process) '(open run)) | |
283 | (set-buffer buffer) ;; XXX "blue moon" nntp.el bug | |
284 | (goto-char (point-min)) | |
285 | (not (sieve-manage-parse-greeting-1))) | |
286 | (accept-process-output process 1) | |
287 | (sit-for 1)) | |
288 | (sieve-manage-erase nil buffer) | |
289 | (sieve-manage-send "STARTTLS") | |
290 | (starttls-negotiate process)) | |
291 | (when (memq (process-status process) '(open run)) | |
292 | process))) | |
293 | ||
294 | ;; Authenticators | |
295 | ||
296 | (defun sieve-manage-plain-p (buffer) | |
297 | (sieve-manage-capability "SASL" "PLAIN" buffer)) | |
298 | ||
299 | (defun sieve-manage-plain-auth (buffer) | |
300 | "Login to managesieve server using the PLAIN SASL method." | |
301 | (let* ((done (sieve-manage-interactive-login | |
302 | buffer | |
303 | (lambda (user passwd) | |
304 | (sieve-manage-send (concat "AUTHENTICATE \"PLAIN\" \"" | |
305 | (base64-encode-string | |
306 | (concat (char-to-string 0) | |
307 | user | |
308 | (char-to-string 0) | |
309 | passwd)) | |
310 | "\"")) | |
311 | (let ((rsp (sieve-manage-parse-okno))) | |
312 | (if (sieve-manage-ok-p rsp) | |
313 | t | |
314 | (setq reason (cdr-safe rsp)) | |
315 | nil)))))) | |
316 | (if done | |
317 | (message "sieve: Authenticating using PLAIN...done") | |
318 | (message "sieve: Authenticating using PLAIN...failed")))) | |
319 | ||
320 | (defun sieve-manage-cram-md5-p (buffer) | |
321 | (sieve-manage-capability "SASL" "CRAM-MD5" buffer)) | |
322 | ||
323 | (defun sieve-manage-cram-md5-auth (buffer) | |
324 | "Login to managesieve server using the CRAM-MD5 SASL method." | |
325 | (message "sieve: Authenticating using CRAM-MD5...") | |
326 | (let* ((done (sieve-manage-interactive-login | |
327 | buffer | |
328 | (lambda (user passwd) | |
329 | (sieve-manage-send "AUTHENTICATE \"CRAM-MD5\"") | |
330 | (sieve-manage-send | |
331 | (concat | |
332 | "\"" | |
333 | (base64-encode-string | |
334 | (concat | |
335 | user " " | |
336 | (rfc2104-hash 'md5 64 16 passwd | |
337 | (base64-decode-string | |
338 | (prog1 | |
339 | (sieve-manage-parse-string) | |
340 | (sieve-manage-erase)))))) | |
341 | "\"")) | |
342 | (let ((rsp (sieve-manage-parse-okno))) | |
343 | (if (sieve-manage-ok-p rsp) | |
344 | t | |
345 | (setq reason (cdr-safe rsp)) | |
346 | nil)))))) | |
347 | (if done | |
348 | (message "sieve: Authenticating using CRAM-MD5...done") | |
349 | (message "sieve: Authenticating using CRAM-MD5...failed")))) | |
350 | ||
351 | ;; Managesieve API | |
352 | ||
353 | (defun sieve-manage-open (server &optional port stream auth buffer) | |
354 | "Open a network connection to a managesieve SERVER (string). | |
355 | Optional variable PORT is port number (integer) on remote server. | |
356 | Optional variable STREAM is any of `sieve-manage-streams' (a symbol). | |
357 | Optional variable AUTH indicates authenticator to use, see | |
358 | `sieve-manage-authenticators' for available authenticators. If nil, chooses | |
359 | the best stream the server is capable of. | |
360 | Optional variable BUFFER is buffer (buffer, or string naming buffer) | |
361 | to work in." | |
362 | (setq buffer (or buffer (format " *sieve* %s:%d" server (or port 2000)))) | |
363 | (with-current-buffer (get-buffer-create buffer) | |
364 | (mapcar 'make-variable-buffer-local sieve-manage-local-variables) | |
365 | (sieve-manage-disable-multibyte) | |
366 | (buffer-disable-undo) | |
367 | (setq sieve-manage-server (or server sieve-manage-server)) | |
368 | (setq sieve-manage-port (or port sieve-manage-port)) | |
369 | (setq sieve-manage-stream (or stream sieve-manage-stream)) | |
370 | (message "sieve: Connecting to %s..." sieve-manage-server) | |
371 | (if (let ((sieve-manage-stream | |
372 | (or sieve-manage-stream sieve-manage-default-stream))) | |
373 | (sieve-manage-open-1 buffer)) | |
374 | ;; Choose stream. | |
375 | (let (stream-changed) | |
376 | (message "sieve: Connecting to %s...done" sieve-manage-server) | |
377 | (when (null sieve-manage-stream) | |
378 | (let ((streams sieve-manage-streams)) | |
379 | (while (setq stream (pop streams)) | |
380 | (if (funcall (nth 1 (assq stream | |
381 | sieve-manage-stream-alist)) buffer) | |
382 | (setq stream-changed | |
383 | (not (eq (or sieve-manage-stream | |
384 | sieve-manage-default-stream) | |
385 | stream)) | |
386 | sieve-manage-stream stream | |
387 | streams nil))) | |
388 | (unless sieve-manage-stream | |
389 | (error "Couldn't figure out a stream for server")))) | |
390 | (when stream-changed | |
391 | (message "sieve: Reconnecting with stream `%s'..." | |
392 | sieve-manage-stream) | |
393 | (sieve-manage-close buffer) | |
394 | (if (sieve-manage-open-1 buffer) | |
395 | (message "sieve: Reconnecting with stream `%s'...done" | |
396 | sieve-manage-stream) | |
397 | (message "sieve: Reconnecting with stream `%s'...failed" | |
398 | sieve-manage-stream)) | |
399 | (setq sieve-manage-capability nil)) | |
400 | (if (sieve-manage-opened buffer) | |
401 | ;; Choose authenticator | |
402 | (when (and (null sieve-manage-auth) | |
403 | (not (eq sieve-manage-state 'auth))) | |
404 | (let ((auths sieve-manage-authenticators)) | |
405 | (while (setq auth (pop auths)) | |
406 | (if (funcall (nth 1 (assq | |
407 | auth | |
408 | sieve-manage-authenticator-alist)) | |
409 | buffer) | |
410 | (setq sieve-manage-auth auth | |
411 | auths nil))) | |
412 | (unless sieve-manage-auth | |
413 | (error "Couldn't figure out authenticator for server")))))) | |
414 | (message "sieve: Connecting to %s...failed" sieve-manage-server)) | |
415 | (when (sieve-manage-opened buffer) | |
416 | (sieve-manage-erase) | |
417 | buffer))) | |
418 | ||
419 | (defun sieve-manage-opened (&optional buffer) | |
420 | "Return non-nil if connection to managesieve server in BUFFER is open. | |
421 | If BUFFER is nil then the current buffer is used." | |
422 | (and (setq buffer (get-buffer (or buffer (current-buffer)))) | |
423 | (buffer-live-p buffer) | |
424 | (with-current-buffer buffer | |
425 | (and sieve-manage-process | |
426 | (memq (process-status sieve-manage-process) '(open run)))))) | |
427 | ||
428 | (defun sieve-manage-close (&optional buffer) | |
429 | "Close connection to managesieve server in BUFFER. | |
430 | If BUFFER is nil, the current buffer is used." | |
431 | (with-current-buffer (or buffer (current-buffer)) | |
432 | (when (sieve-manage-opened) | |
433 | (sieve-manage-send "LOGOUT") | |
434 | (sit-for 1)) | |
435 | (when (and sieve-manage-process | |
436 | (memq (process-status sieve-manage-process) '(open run))) | |
437 | (delete-process sieve-manage-process)) | |
438 | (setq sieve-manage-process nil) | |
439 | (sieve-manage-erase) | |
440 | t)) | |
441 | ||
442 | (defun sieve-manage-authenticate (&optional user passwd buffer) | |
443 | "Authenticate to server in BUFFER, using current buffer if nil. | |
444 | It uses the authenticator specified when opening the server. If the | |
445 | authenticator requires username/passwords, they are queried from the | |
446 | user and optionally stored in the buffer. If USER and/or PASSWD is | |
447 | specified, the user will not be questioned and the username and/or | |
448 | password is remembered in the buffer." | |
449 | (with-current-buffer (or buffer (current-buffer)) | |
450 | (if (not (eq sieve-manage-state 'nonauth)) | |
451 | (eq sieve-manage-state 'auth) | |
452 | (make-variable-buffer-local 'sieve-manage-username) | |
453 | (make-variable-buffer-local 'sieve-manage-password) | |
454 | (if user (setq sieve-manage-username user)) | |
455 | (if passwd (setq sieve-manage-password passwd)) | |
456 | (if (funcall (nth 2 (assq sieve-manage-auth | |
457 | sieve-manage-authenticator-alist)) buffer) | |
458 | (setq sieve-manage-state 'auth))))) | |
459 | ||
460 | (defun sieve-manage-capability (&optional name value buffer) | |
461 | (with-current-buffer (or buffer (current-buffer)) | |
462 | (if (null name) | |
463 | sieve-manage-capability | |
464 | (if (null value) | |
465 | (nth 1 (assoc name sieve-manage-capability)) | |
466 | (when (string-match value (nth 1 (assoc name sieve-manage-capability))) | |
467 | (nth 1 (assoc name sieve-manage-capability))))))) | |
468 | ||
469 | (defun sieve-manage-listscripts (&optional buffer) | |
470 | (with-current-buffer (or buffer (current-buffer)) | |
471 | (sieve-manage-send "LISTSCRIPTS") | |
472 | (sieve-manage-parse-listscripts))) | |
473 | ||
474 | (defun sieve-manage-havespace (name size &optional buffer) | |
475 | (with-current-buffer (or buffer (current-buffer)) | |
476 | (sieve-manage-send (format "HAVESPACE \"%s\" %s" name size)) | |
477 | (sieve-manage-parse-okno))) | |
478 | ||
479 | (eval-and-compile | |
480 | (if (fboundp 'string-bytes) | |
481 | (defalias 'sieve-string-bytes 'string-bytes) | |
482 | (defalias 'sieve-string-bytes 'length))) | |
483 | ||
484 | (defun sieve-manage-putscript (name content &optional buffer) | |
485 | (with-current-buffer (or buffer (current-buffer)) | |
486 | (sieve-manage-send (format "PUTSCRIPT \"%s\" {%d+}%s%s" name | |
487 | (sieve-string-bytes content) | |
488 | sieve-manage-client-eol content)) | |
489 | (sieve-manage-parse-okno))) | |
490 | ||
491 | (defun sieve-manage-deletescript (name &optional buffer) | |
492 | (with-current-buffer (or buffer (current-buffer)) | |
493 | (sieve-manage-send (format "DELETESCRIPT \"%s\"" name)) | |
494 | (sieve-manage-parse-okno))) | |
495 | ||
496 | (defun sieve-manage-getscript (name output-buffer &optional buffer) | |
497 | (with-current-buffer (or buffer (current-buffer)) | |
498 | (sieve-manage-send (format "GETSCRIPT \"%s\"" name)) | |
499 | (let ((script (sieve-manage-parse-string))) | |
500 | (sieve-manage-parse-crlf) | |
501 | (with-current-buffer output-buffer | |
502 | (insert script)) | |
503 | (sieve-manage-parse-okno)))) | |
504 | ||
505 | (defun sieve-manage-setactive (name &optional buffer) | |
506 | (with-current-buffer (or buffer (current-buffer)) | |
507 | (sieve-manage-send (format "SETACTIVE \"%s\"" name)) | |
508 | (sieve-manage-parse-okno))) | |
509 | ||
510 | ;; Protocol parsing routines | |
511 | ||
512 | (defun sieve-manage-ok-p (rsp) | |
513 | (string= (downcase (or (car-safe rsp) "")) "ok")) | |
514 | ||
515 | (defsubst sieve-manage-forward () | |
516 | (or (eobp) (forward-char))) | |
517 | ||
518 | (defun sieve-manage-is-okno () | |
519 | (when (looking-at (concat | |
520 | "^\\(OK\\|NO\\)\\( (\\([^)]+\\))\\)?\\( \\(.*\\)\\)?" | |
521 | sieve-manage-server-eol)) | |
522 | (let ((status (match-string 1)) | |
523 | (resp-code (match-string 3)) | |
524 | (response (match-string 5))) | |
525 | (when response | |
526 | (goto-char (match-beginning 5)) | |
527 | (setq response (sieve-manage-is-string))) | |
528 | (list status resp-code response)))) | |
529 | ||
530 | (defun sieve-manage-parse-okno () | |
531 | (let (rsp) | |
532 | (while (null rsp) | |
533 | (accept-process-output (get-buffer-process (current-buffer)) 1) | |
534 | (goto-char (point-min)) | |
535 | (setq rsp (sieve-manage-is-okno))) | |
536 | (sieve-manage-erase) | |
537 | rsp)) | |
538 | ||
539 | (defun sieve-manage-parse-capability-1 () | |
540 | "Accept a managesieve greeting." | |
541 | (let (str) | |
542 | (while (setq str (sieve-manage-is-string)) | |
543 | (if (eq (char-after) ? ) | |
544 | (progn | |
545 | (sieve-manage-forward) | |
546 | (push (list str (sieve-manage-is-string)) | |
547 | sieve-manage-capability)) | |
548 | (push (list str) sieve-manage-capability)) | |
549 | (forward-line))) | |
550 | (when (re-search-forward (concat "^OK" sieve-manage-server-eol) nil t) | |
551 | (setq sieve-manage-state 'nonauth))) | |
552 | ||
553 | (defalias 'sieve-manage-parse-greeting-1 'sieve-manage-parse-capability-1) | |
554 | ||
555 | (defun sieve-manage-is-string () | |
556 | (cond ((looking-at "\"\\([^\"]+\\)\"") | |
557 | (prog1 | |
558 | (match-string 1) | |
559 | (goto-char (match-end 0)))) | |
560 | ((looking-at (concat "{\\([0-9]+\\)}" sieve-manage-server-eol)) | |
561 | (let ((pos (match-end 0)) | |
562 | (len (string-to-number (match-string 1)))) | |
563 | (if (< (point-max) (+ pos len)) | |
564 | nil | |
565 | (goto-char (+ pos len)) | |
566 | (buffer-substring pos (+ pos len))))))) | |
567 | ||
568 | (defun sieve-manage-parse-string () | |
569 | (let (rsp) | |
570 | (while (null rsp) | |
571 | (accept-process-output (get-buffer-process (current-buffer)) 1) | |
572 | (goto-char (point-min)) | |
573 | (setq rsp (sieve-manage-is-string))) | |
574 | (sieve-manage-erase (point)) | |
575 | rsp)) | |
576 | ||
577 | (defun sieve-manage-parse-crlf () | |
578 | (when (looking-at sieve-manage-server-eol) | |
579 | (sieve-manage-erase (match-end 0)))) | |
580 | ||
581 | (defun sieve-manage-parse-listscripts () | |
582 | (let (tmp rsp data) | |
583 | (while (null rsp) | |
584 | (while (null (or (setq rsp (sieve-manage-is-okno)) | |
585 | (setq tmp (sieve-manage-is-string)))) | |
586 | (accept-process-output (get-buffer-process (current-buffer)) 1) | |
587 | (goto-char (point-min))) | |
588 | (when tmp | |
589 | (while (not (looking-at (concat "\\( ACTIVE\\)?" | |
590 | sieve-manage-server-eol))) | |
591 | (accept-process-output (get-buffer-process (current-buffer)) 1) | |
592 | (goto-char (point-min))) | |
593 | (if (match-string 1) | |
594 | (push (cons 'active tmp) data) | |
595 | (push tmp data)) | |
596 | (goto-char (match-end 0)) | |
597 | (setq tmp nil))) | |
598 | (sieve-manage-erase) | |
599 | (if (sieve-manage-ok-p rsp) | |
600 | data | |
601 | rsp))) | |
602 | ||
603 | (defun sieve-manage-send (cmdstr) | |
604 | (setq cmdstr (concat cmdstr sieve-manage-client-eol)) | |
605 | (and sieve-manage-log | |
606 | (with-current-buffer (get-buffer-create sieve-manage-log) | |
607 | (sieve-manage-disable-multibyte) | |
608 | (buffer-disable-undo) | |
609 | (goto-char (point-max)) | |
610 | (insert cmdstr))) | |
611 | (process-send-string sieve-manage-process cmdstr)) | |
612 | ||
613 | (provide 'sieve-manage) | |
614 | ||
615 | ;;; arch-tag: 321c4640-1371-4495-9baf-8ccb71dd5bd1 | |
616 | ;; sieve-manage.el ends here |