1 ;;; riece-rdcc.el --- ruby implementation of DCC add-on
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
5 ;; Keywords: IRC, riece
7 ;; This file is part of Riece.
9 ;; This program is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; This program is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 (require 'riece-globals)
28 (require 'riece-channel)
29 (require 'riece-identity)
30 (require 'riece-ctcp) ;for riece-ctcp-additional-clientinfo
32 (defgroup riece-rdcc nil
33 "DCC implementation using ruby"
37 (defcustom riece-rdcc-server-address nil
38 "Local address of the DCC server.
39 Only used for sending files."
43 (defcustom riece-rdcc-ruby-command "ruby"
44 "Command name for Ruby interpreter."
48 (defcustom riece-rdcc-send-program
53 sock.connect('164.46.176.4', 7) # www.unixuser.org/echo
54 address = sock.getsockname[4 .. 7].unpack('CCCC').join('.')
56 server = TCPServer.new(address, 0)
57 puts(\"#{server.addr[3].split(/\\./).collect{|c| c.to_i}.pack('CCCC').unpack('N')[0]} #{server.addr[1]}\")
58 session = server.accept
61 File.open(" file ") {|file|
62 while (bytes = file.read(4096))
71 "Ruby program to send file with DCC."
75 (defcustom riece-rdcc-decode-address-program
77 puts(\"#{" address " >> 24 & 0xFF}.#{" address " >> 16 & 0xFF}.#{"
78 address " >> 8 & 0xFF}.#{" address " & 0xFF}\")")
79 "Ruby program to numeric IP address."
83 (defvar riece-rdcc-requests nil)
85 (defvar riece-rdcc-request-user nil)
86 (defvar riece-rdcc-request-file nil)
87 (defvar riece-rdcc-request-size nil)
89 (defvar jka-compr-compression-info-list)
90 (defvar jam-zcat-filename-list)
91 (defun riece-rdcc-substitute-variables (program variable value)
92 (setq program (copy-sequence program))
93 (let ((pointer program))
95 (setq pointer (memq variable program))
97 (setcar pointer value)))
100 (defun riece-rdcc-server-filter (process input)
102 (set-buffer (process-buffer process))
103 (goto-char (point-max))
105 (goto-char (point-min))
106 (while (and (not (eobp))
107 (looking-at "\\([0-9]+\\)\n"))
108 (message "Sending %s...(%s/%d)"
109 riece-rdcc-request-file
110 (match-string 1) riece-rdcc-request-size)
113 (delete-region (point-min) (point)))))
115 (defun riece-rdcc-server-sentinel (process status)
116 (with-current-buffer (process-buffer process)
117 (message "Sending %s...done" riece-rdcc-request-file))
118 (kill-buffer (process-buffer process)))
120 (defun riece-command-dcc-send (user file)
122 (let ((completion-ignore-case t))
123 (list (completing-read
125 (mapcar #'list (riece-get-users-on-server)))
126 (expand-file-name (read-file-name "File: ")))))
127 (let* ((process-connection-type nil)
128 (process (start-process "DCC" (generate-new-buffer " *DCC*")
130 (process-send-string process
132 (riece-rdcc-substitute-variables
133 (riece-rdcc-substitute-variables
134 riece-rdcc-send-program
136 (if riece-rdcc-server-address
137 (concat "'" riece-rdcc-server-address
141 (concat "'" file "'"))))
142 (process-send-eof process)
144 (set-buffer (process-buffer process))
145 (while (and (eq (process-status process) 'run)
147 (goto-char (point-min))
148 (not (looking-at "\\([0-9]+\\) \\([0-9]+\\)"))))
149 (accept-process-output process))
150 (if (eq (process-status process) 'run)
151 (let ((address (match-string 1))
152 (port (match-string 2)))
154 (make-local-variable 'riece-rdcc-request-size)
155 (setq riece-rdcc-request-file file
156 riece-rdcc-request-size (nth 7 (file-attributes file)))
157 (set-buffer-modified-p nil)
158 (set-process-filter process #'riece-rdcc-server-filter)
159 (set-process-sentinel process #'riece-rdcc-server-sentinel)
161 (format "PRIVMSG %s :\1DCC SEND %s %s %s %d\1\r\n"
162 user (file-name-nondirectory file)
164 riece-rdcc-request-size)))))))
166 (defun riece-rdcc-filter (process input)
168 (set-buffer (process-buffer process))
169 (goto-char (point-max))
171 (message "Receiving %s from %s...(%d/%d)"
172 (file-name-nondirectory riece-rdcc-request-file)
173 riece-rdcc-request-user
175 riece-rdcc-request-size)))
177 (defun riece-rdcc-sentinel (process status)
179 (set-buffer (process-buffer process))
180 (unless (= (buffer-size) riece-rdcc-request-size)
181 (error "Premature end of file"))
182 (message "Receiving %s from %s...done"
183 (file-name-nondirectory riece-rdcc-request-file)
184 riece-rdcc-request-user)
185 (let ((coding-system-for-write 'binary)
186 jka-compr-compression-info-list jam-zcat-filename-list)
187 (write-region (point-min) (point-max) riece-rdcc-request-file)))
188 (kill-buffer (process-buffer process)))
190 (defun riece-rdcc-decode-address (address)
192 (call-process riece-rdcc-ruby-command nil t nil "-e"
194 (riece-rdcc-substitute-variables
195 riece-rdcc-decode-address-program
198 (buffer-substring (point-min) (1- (point-max)))))
200 (defun riece-command-dcc-receive (request file)
203 (unless riece-rdcc-requests
204 (error "No request"))
206 (if (= (length riece-rdcc-requests) 1)
207 (car riece-rdcc-requests)
208 (with-output-to-temp-buffer "*Help*"
209 (let ((requests riece-rdcc-requests)
212 (princ (format "%2d: %s %s (%d bytes)\n"
215 (nth 1 (car requests))
216 (nth 4 (car requests))))
217 (setq index (1+ index)
218 requests (cdr requests)))))
219 (let ((number (read-string "Request#: ")))
220 (unless (string-match "^[0-9]+$" number)
221 (error "Not a number"))
222 (if (or (> (setq number (string-to-number number))
223 (length riece-rdcc-requests))
225 (error "Invalid number"))
226 (nth (1- number) riece-rdcc-requests))))
227 (default-name (expand-file-name
228 (nth 1 request) default-directory)))
232 (concat "Save as (default "
233 (file-name-nondirectory default-name) ") ")
234 (file-name-directory default-name)
236 (let* (selective-display
237 (coding-system-for-read 'binary)
238 (coding-system-for-write 'binary)
239 (process (open-network-stream
240 "DCC" (generate-new-buffer " *DCC*")
241 (riece-rdcc-decode-address (nth 2 request))
243 (setq riece-rdcc-requests (delq request riece-rdcc-requests))
244 (with-current-buffer (process-buffer process)
245 (if (fboundp 'set-buffer-multibyte)
246 (set-buffer-multibyte nil))
247 (buffer-disable-undo)
249 (make-local-variable 'riece-rdcc-request-user)
250 (setq riece-rdcc-request-user (car request))
251 (make-local-variable 'riece-rdcc-request-file)
252 (setq riece-rdcc-request-file file)
253 (make-local-variable 'riece-rdcc-request-size)
254 (setq riece-rdcc-request-size (nth 4 request)))
255 (set-process-filter process #'riece-rdcc-filter)
256 (set-process-sentinel process #'riece-rdcc-sentinel)))
258 (defun riece-handle-dcc-request (prefix target message)
259 (let ((case-fold-search t))
261 "SEND \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)"
263 (let ((file (match-string 1 message))
264 (address (match-string 2 message))
265 (port (string-to-number (match-string 3 message)))
266 (size (string-to-number (match-string 4 message)))
267 (buffer (if (riece-channel-p target)
268 (riece-channel-buffer-name
269 (riece-make-identity target riece-server-name))))
270 (user (riece-prefix-nickname prefix)))
271 (setq riece-rdcc-requests
272 (cons (list user file address port size)
273 riece-rdcc-requests))
274 (riece-insert-change buffer (format "DCC SEND from %s\n" user))
276 (if (and riece-channel-buffer-mode
277 (not (eq buffer riece-channel-buffer)))
278 (list riece-dialogue-buffer riece-others-buffer)
279 riece-dialogue-buffer)
281 (riece-concat-server-name
282 (format "DCC SEND from %s (%s) to %s"
284 (riece-strip-user-at-host
285 (riece-prefix-user-at-host prefix))
286 (riece-decode-coding-string target)))
290 (defun riece-rdcc-requires ()
293 (defvar riece-dialogue-mode-map)
294 (defun riece-rdcc-insinuate ()
295 (add-to-list 'riece-ctcp-additional-clientinfo "DCC")
296 (add-hook 'riece-ctcp-dcc-request-hook 'riece-handle-dcc-request)
297 (define-key riece-dialogue-mode-map "\C-ds" 'riece-command-dcc-send)
298 (define-key riece-dialogue-mode-map "\C-dr" 'riece-command-dcc-receive))
300 (provide 'riece-rdcc)
302 ;;; riece-rdcc.el ends here