/usr/share/emacs/site-lisp/wl/elmo/elmo-net.el is in wl-beta 2.15.9+0.20141019-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 | ;;; elmo-net.el --- Network module for ELMO.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: mail, net news
;; This file is part of ELMO (Elisp Library for Message Orchestration).
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;;; Code:
;;
(eval-when-compile (require 'cl))
(require 'elmo-util)
(require 'elmo-dop)
(require 'elmo-vars)
(require 'elmo-cache)
(require 'elmo)
(defconst elmo-net-folder-name-syntax '((?@ [server ".+"])
(?: [port "^[0-9]+$"])
(?! stream-type)))
;;; ELMO net folder
(eval-and-compile
(luna-define-class elmo-net-folder
(elmo-folder)
(user auth server port stream-type))
(luna-define-internal-accessors 'elmo-net-folder))
;;; Session
(eval-and-compile
(autoload 'starttls-negotiate "starttls")
(autoload 'sasl-find-mechanism "sasl")
(autoload 'sasl-make-client "sasl")
(autoload 'sasl-mechanism-name "sasl")
(autoload 'sasl-next-step "sasl")
(autoload 'sasl-step-data "sasl")
(autoload 'sasl-step-set-data "sasl"))
(defvar sasl-mechanisms)
(defcustom elmo-network-session-idle-timeout nil
"Idle timeout of the network cache. Specified in seconds.
If elapsed time since last access is larger than this value,
cached session is not reused.
If nil, network cache is reused."
:type '(choice number (const nil))
:group 'elmo)
(defcustom elmo-network-session-retry-count nil
"Retry count for authentication when open network session.
If nil, just once. If t, until success."
:type '(choice (integer :tag "Times")
(const :tag "Just once" nil)
(const :tag "Until success" t))
:group 'elmo)
;;; Code:
;;
(eval-and-compile
(luna-define-class elmo-network-session () (name
server
port
user
auth
stream-type
process
greeting
last-accessed))
(luna-define-internal-accessors 'elmo-network-session))
(luna-define-generic elmo-network-initialize-session (session)
"Initialize SESSION (Called before authentication).")
(luna-define-generic elmo-network-initialize-session-buffer (session buffer)
"Initialize SESSION's BUFFER.")
(luna-define-generic elmo-network-authenticate-session (session)
"Authenticate SESSION.")
(luna-define-generic elmo-network-setup-session (session)
"Setup SESSION. (Called after authentication).")
(luna-define-generic elmo-network-close-session (session)
"Close SESSION.")
(luna-define-method
elmo-network-initialize-session-buffer ((session
elmo-network-session) buffer)
(with-current-buffer buffer
(set-buffer-multibyte nil)
(buffer-disable-undo (current-buffer))))
(luna-define-method elmo-network-close-session ((session elmo-network-session))
(when (elmo-network-session-process-internal session)
;;; (memq (process-status (elmo-network-session-process-internal session))
;;; '(open run))
(kill-buffer (process-buffer
(elmo-network-session-process-internal session)))
(delete-process (elmo-network-session-process-internal session))))
(defmacro elmo-network-stream-type-spec-string (stream-type)
`(nth 0 ,stream-type))
(defmacro elmo-network-stream-type-symbol (stream-type)
`(nth 1 ,stream-type))
(defmacro elmo-network-stream-type-feature (stream-type)
`(nth 2 ,stream-type))
(defmacro elmo-network-stream-type-function (stream-type)
`(nth 3 ,stream-type))
(defsubst elmo-network-session-password-key (session)
(format "%s:%s/%s@%s:%d"
(upcase
(nth 1 (split-string (symbol-name
(luna-class-name session)) "[4-]")))
(elmo-network-session-user-internal session)
(elmo-network-session-auth-internal session)
(elmo-network-session-server-internal session)
(elmo-network-session-port-internal session)))
(defvar elmo-network-session-cache nil)
(defsubst elmo-network-session-cache-key (name folder)
"Returns session cache key for NAME and FOLDER."
(format "%s:%s/%s@%s:%d%s"
name
(elmo-net-folder-user-internal folder)
(elmo-net-folder-auth-internal folder)
(elmo-net-folder-server-internal folder)
(elmo-net-folder-port-internal folder)
(or
(elmo-network-stream-type-spec-string
(elmo-net-folder-stream-type-internal folder)) "")))
(defun elmo-network-clear-session-cache ()
"Clear session cache."
(interactive)
(dolist (pair elmo-network-session-cache)
(elmo-network-close-session (cdr pair)))
(setq elmo-network-session-cache nil))
(defsubst elmo-network-session-buffer-name (session)
(format " *%s session for %s@%s:%d%s"
(elmo-network-session-name-internal session)
(elmo-network-session-user-internal session)
(elmo-network-session-server-internal session)
(elmo-network-session-port-internal session)
(or (elmo-network-stream-type-spec-string
(elmo-network-session-stream-type-internal session))
"")))
(defmacro elmo-network-session-buffer (session)
"Get buffer for SESSION."
`(process-buffer (elmo-network-session-process-internal ,session)))
(defun elmo-network-get-session (class name folder &optional if-exists)
"Get network session from session cache or a new network session.
CLASS is the class name of the session.
NAME is the name of the process.
FOLDER is the ELMO folder structure.
Returns a `elmo-network-session' instance.
If optional argument IF-EXISTS is non-nil, it does not return session
if there is no session cache.
if making session failed, returns nil."
(let (pair session key)
(if (not (elmo-plugged-p
(elmo-net-folder-server-internal folder)
(elmo-net-folder-port-internal folder)
(elmo-network-stream-type-symbol
(elmo-net-folder-stream-type-internal folder))))
(error "Unplugged"))
(setq pair (assoc (setq key (elmo-network-session-cache-key name folder))
elmo-network-session-cache))
(when (and pair
(or (not (memq (process-status
(elmo-network-session-process-internal
(cdr pair)))
'(open run)))
(and elmo-network-session-idle-timeout
(elmo-network-session-last-accessed-internal
(cdr pair))
(elmo-time-expire
(elmo-network-session-last-accessed-internal
(cdr pair))
elmo-network-session-idle-timeout))))
(setq elmo-network-session-cache
(delq pair elmo-network-session-cache))
(elmo-network-close-session (cdr pair))
(setq pair nil))
(if pair
(progn
(elmo-network-session-set-last-accessed-internal
(cdr pair) (current-time))
(cdr pair)) ; connection cache exists.
(unless if-exists
(setq session
(elmo-network-open-session
class
name
(elmo-net-folder-server-internal folder)
(elmo-net-folder-port-internal folder)
(elmo-net-folder-user-internal folder)
(elmo-net-folder-auth-internal folder)
(elmo-net-folder-stream-type-internal folder)))
(setq elmo-network-session-cache
(cons (cons key session)
elmo-network-session-cache))
session))))
(defun elmo-network-session-buffer-create (session)
(let ((buffer-name (elmo-network-session-buffer-name session))
buffer)
(when (get-buffer buffer-name)
(kill-buffer buffer-name))
(setq buffer (get-buffer-create buffer-name))
(elmo-network-initialize-session-buffer session buffer)
buffer))
(defun elmo-network-open-session (class name server port user auth
stream-type)
"Open an authenticated network session.
CLASS is the class name of the session.
NAME is the name of the process.
SERVER is the name of the server server.
PORT is the port number of the service.
USER is the user-id for the authenticate.
AUTH is the authenticate method name (symbol).
STREAM-TYPE is the stream type (See also `elmo-network-stream-type-alist').
Returns a process object. if making session failed, returns nil."
(let ((session
(luna-make-entity class
:name name
:server server
:port port
:user user
:auth auth
:stream-type stream-type
:process nil
:greeting nil
:last-accessed (current-time)))
(retry elmo-network-session-retry-count)
success)
(while (not success)
(condition-case error
(when (elmo-network-session-set-process-internal
session
(elmo-open-network-stream
(elmo-network-session-name-internal session)
(elmo-network-session-buffer-create session)
server port stream-type))
(elmo-network-initialize-session session)
(elmo-network-authenticate-session session)
(elmo-network-setup-session session)
(setq success t))
(elmo-authenticate-error
(elmo-remove-passwd (elmo-network-session-password-key session))
(message "Authetication is failed")
(sit-for 1)
(elmo-network-close-session session)
(unless (if (numberp retry)
(> (setq retry (1- retry)) 0)
retry)
(signal (car error) (cdr error))))
(elmo-open-error
(elmo-set-plugged nil server port
(elmo-network-stream-type-symbol stream-type)
(current-time))
(message "Auto plugged off at %s:%d :%s" server port (cadr error))
(sit-for 1)
(elmo-network-close-session session)
(signal (car error) (cdr error)))
(error
(elmo-network-close-session session)
(signal (car error) (cdr error)))))
session))
(defun elmo-open-network-stream (name buffer server service stream-type)
(let ((auto-plugged (and elmo-auto-change-plugged
(> elmo-auto-change-plugged 0)))
process)
(if (and stream-type
(elmo-network-stream-type-feature stream-type))
(require (elmo-network-stream-type-feature stream-type)))
(condition-case err
(let (process-connection-type)
(as-binary-process
(setq process
(if stream-type
(funcall (elmo-network-stream-type-function stream-type)
name buffer server service)
(open-network-stream name buffer server service)))
(unless (and (processp process)
(memq (process-status process) '(open run)))
(error "Open network connection to %s:%d failed"
server service))))
(error
(when auto-plugged
(elmo-set-plugged nil server service
(elmo-network-stream-type-symbol stream-type)
(current-time))
(message "Auto plugged off at %s:%d" server service)
(sit-for 1))
(signal (car err) (cdr err))))
(when process
(process-kill-without-query process)
(when auto-plugged
(elmo-set-plugged t server service
(elmo-network-stream-type-symbol stream-type)))
process)))
(defun elmo-get-network-stream-type (symbol)
"Return network stream type corresponding to SYMBOL.
Returned value is searched from `elmo-network-stream-type-alist'."
(let ((alist elmo-network-stream-type-alist)
spec)
(while alist
(when (eq (nth 1 (car alist)) symbol)
(setq spec (car alist))
(setq alist nil))
(setq alist (cdr alist)))
spec))
(defun elmo-net-folder-set-parameters (folder params &optional defaults)
(let ((port (cdr (assq 'port params)))
(stream-type (cdr (assq 'stream-type params))))
;; server
(elmo-net-folder-set-server-internal
folder
(or (cdr (assq 'server params))
(plist-get defaults :server)))
;; port
(elmo-net-folder-set-port-internal
folder
(or (and port (string-to-number port))
(plist-get defaults :port)))
;; stream-type
(elmo-net-folder-set-stream-type-internal
folder
(or (and stream-type
(assoc (concat "!" stream-type) elmo-network-stream-type-alist))
(plist-get defaults :stream-type)))))
(luna-define-method elmo-folder-initialize ((folder elmo-net-folder) name)
;; user and auth should be set in subclass.
(when (string-match "\\(@[^@:/!]+\\)?\\(:[0-9]+\\)?\\(!.*\\)?$" name)
(elmo-net-folder-set-parameters
folder
(car (elmo-parse-separated-tokens
(substring name (match-beginning 0))
elmo-net-folder-name-syntax))))
folder)
(luna-define-method elmo-net-port-info ((folder elmo-net-folder))
(list (elmo-net-folder-server-internal folder)
(elmo-net-folder-port-internal folder)
(elmo-network-stream-type-symbol
(elmo-net-folder-stream-type-internal folder))))
(defun elmo-net-port-label (folder)
(concat
(symbol-name (elmo-folder-type-internal folder))
(if (elmo-net-folder-stream-type-internal folder)
(concat "!" (symbol-name
(elmo-network-stream-type-symbol
(elmo-net-folder-stream-type-internal
folder)))))))
(luna-define-method elmo-folder-plugged-p ((folder elmo-net-folder))
(apply 'elmo-plugged-p
(append (elmo-net-port-info folder)
(list nil (quote (elmo-net-port-label folder))))))
(luna-define-method elmo-folder-set-plugged ((folder elmo-net-folder)
plugged &optional add)
(apply 'elmo-set-plugged plugged
(append (elmo-net-port-info folder)
(list nil nil (quote (elmo-net-port-label folder)) add))))
(luna-define-method elmo-folder-create ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-create-plugged)
(elmo-folder-send folder 'elmo-folder-create-unplugged)))
(luna-define-method elmo-folder-create-unplugged ((folder elmo-net-folder))
(if elmo-enable-disconnected-operation
(elmo-folder-create-dop folder)
(error "Unplugged")))
(luna-define-method elmo-folder-exists-p ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-exists-p-plugged)
;; If unplugged, guess by msgdb.
(file-directory-p (elmo-folder-msgdb-path folder))))
(luna-define-method elmo-folder-status ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-status-plugged)
(elmo-folder-send folder 'elmo-folder-status-unplugged)))
(luna-define-method elmo-folder-status-unplugged
((folder elmo-net-folder))
(if elmo-enable-disconnected-operation
(elmo-folder-status-dop folder)
(error "Unplugged")))
(luna-define-method elmo-folder-next-message-number ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-next-message-number-plugged)
(elmo-folder-send folder 'elmo-folder-next-message-number-unplugged)))
(luna-define-method elmo-folder-next-message-number-unplugged
((folder elmo-net-folder))
(if elmo-enable-disconnected-operation
(elmo-folder-next-message-number-dop folder)
(error "Unplugged")))
(luna-define-method elmo-folder-list-messages-internal
((folder elmo-net-folder) &optional nohide)
(elmo-net-folder-list-messages-internal folder nohide))
(defun elmo-net-folder-list-messages-internal (folder nohide)
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-list-messages-plugged nohide)
(elmo-folder-send folder 'elmo-folder-list-messages-unplugged)))
(luna-define-method elmo-folder-list-messages-plugged
((folder elmo-net-folder))
nil)
;; Should consider offline append and removal.
(luna-define-method elmo-folder-list-messages-unplugged ((folder
elmo-net-folder))
(if elmo-enable-disconnected-operation
(let ((deleting (elmo-dop-list-deleting-messages folder)))
(nconc
;; delete deleting messages
(elmo-delete-if
(lambda (number) (memq number deleting))
;; current number-list.
(elmo-folder-list-messages folder nil 'in-msgdb))
;; append appending messages
(mapcar (lambda (x) (* -1 x))
(elmo-dop-spool-folder-list-messages folder))))
t))
(luna-define-method elmo-folder-list-flagged-internal ((folder elmo-net-folder)
flag)
(if (and (elmo-folder-plugged-p folder)
(elmo-folder-use-flag-p folder))
(elmo-folder-send folder 'elmo-folder-list-flagged-plugged flag)
;; Should consider offline append and removal?
t))
(luna-define-method elmo-folder-list-flagged-plugged ((folder elmo-net-folder)
flag)
t)
(luna-define-method elmo-folder-delete-messages-internal ((folder
elmo-net-folder)
numbers)
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-delete-messages-plugged numbers)
(elmo-folder-send folder 'elmo-folder-delete-messages-unplugged numbers)))
(luna-define-method elmo-folder-delete-messages-unplugged ((folder
elmo-net-folder)
numbers)
(elmo-folder-delete-messages-dop folder numbers))
(luna-define-method elmo-folder-msgdb-create ((folder elmo-net-folder)
numbers flag-table)
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-msgdb-create-plugged
numbers flag-table)
(elmo-folder-send folder 'elmo-folder-msgdb-create-unplugged
numbers flag-table)))
(luna-define-method elmo-folder-msgdb-create-unplugged ((folder
elmo-net-folder)
numbers
flag-table)
;; XXXX should be appended to already existing msgdb.
(elmo-dop-msgdb
(elmo-folder-msgdb-create (elmo-dop-spool-folder folder)
(mapcar 'abs numbers)
flag-table)))
(luna-define-method elmo-folder-set-flag :before ((folder elmo-net-folder)
numbers
flag
&optional is-local)
(when (and (not is-local)
(elmo-folder-use-flag-p folder))
(elmo-folder-send folder
(if (elmo-folder-plugged-p folder)
'elmo-folder-set-flag-plugged
'elmo-folder-set-flag-unplugged)
numbers
flag)))
(luna-define-method elmo-folder-unset-flag :before ((folder elmo-net-folder)
numbers
flag
&optional is-local)
(when (and (not is-local)
(elmo-folder-use-flag-p folder))
(elmo-folder-send folder
(if (elmo-folder-plugged-p folder)
'elmo-folder-unset-flag-plugged
'elmo-folder-unset-flag-unplugged)
numbers
flag)))
(luna-define-method elmo-folder-set-flag-unplugged ((folder elmo-net-folder)
numbers flag)
(elmo-folder-set-flag-dop folder numbers flag))
(luna-define-method elmo-folder-unset-flag-unplugged ((folder elmo-net-folder)
numbers flag)
(elmo-folder-unset-flag-dop folder numbers flag))
(luna-define-method elmo-message-encache :around ((folder elmo-net-folder)
number &optional read)
(if (elmo-folder-plugged-p folder)
(luna-call-next-method)
(if elmo-enable-disconnected-operation
(elmo-message-encache-dop folder number read)
(error "Unplugged"))))
(luna-define-generic elmo-message-fetch-plugged (folder number strategy
&optional
section
outbuf
unseen)
"")
(luna-define-generic elmo-message-fetch-unplugged (folder number strategy
&optional
section
outbuf
unseen)
"")
(luna-define-method elmo-message-fetch-internal ((folder elmo-net-folder)
number strategy
&optional section unseen)
(if (elmo-folder-plugged-p folder)
(elmo-message-fetch-plugged folder number
strategy section
(current-buffer) unseen)
(elmo-message-fetch-unplugged folder number
strategy section
(current-buffer) unseen)))
(luna-define-method elmo-message-fetch-unplugged
((folder elmo-net-folder) number strategy &optional section outbuf unseen)
(if (and elmo-enable-disconnected-operation
(< number 0))
(elmo-message-fetch-internal
(elmo-dop-spool-folder folder) (abs number) strategy
section unseen)
(error "Unplugged")))
(luna-define-method elmo-folder-check ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-check-plugged)))
(luna-define-method elmo-folder-close :after ((folder elmo-net-folder))
(if (elmo-folder-plugged-p folder)
(elmo-folder-send folder 'elmo-folder-check-plugged)))
(luna-define-method elmo-folder-diff :around ((folder elmo-net-folder))
(if (and (elmo-folder-use-flag-p folder)
(elmo-folder-plugged-p folder))
(elmo-folder-send folder 'elmo-folder-diff-plugged)
(luna-call-next-method)))
(luna-define-method elmo-folder-local-p ((folder elmo-net-folder))
nil)
(luna-define-method elmo-quit ((folder elmo-net-folder))
(elmo-network-clear-session-cache))
(require 'product)
(product-provide (provide 'elmo-net) (require 'elmo-version))
;;; elmo-net.el ends here
|