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1 | ;;; tramp-smb.el --- Tramp access functions for SMB servers -*- coding: iso-8859-1; -*- |
2 | ||
aa1e26d4 | 3 | ;; Copyright (C) 2002, 2005 Free Software Foundation, Inc. |
4007ba5b | 4 | |
340b8d4f | 5 | ;; Author: Michael Albinus <michael.albinus@gmx.de> |
4007ba5b KG |
6 | ;; Keywords: comm, processes |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; Access functions for SMB servers like SAMBA or M$ Windows from Tramp. | |
28 | ||
29 | ;;; Code: | |
30 | ||
31 | (require 'tramp) | |
32 | ||
33 | ;; Pacify byte-compiler | |
34 | (eval-when-compile | |
35 | (require 'cl) | |
36 | (require 'custom) | |
37 | ;; Emacs 19.34 compatibility hack -- is this needed? | |
38 | (or (>= emacs-major-version 20) | |
39 | (load "cl-seq"))) | |
40 | ||
38c65fca KG |
41 | ;; Avoid byte-compiler warnings if the byte-compiler supports this. |
42 | ;; Currently, XEmacs supports this. | |
43 | (eval-when-compile | |
44 | (when (fboundp 'byte-compiler-options) | |
45 | (let (unused-vars) ; Pacify Emacs byte-compiler | |
46 | (defalias 'warnings 'identity) ; Pacify Emacs byte-compiler | |
47 | (byte-compiler-options (warnings (- unused-vars)))))) | |
48 | ||
49 | ;; XEmacs byte-compiler raises warning abouts `last-coding-system-used'. | |
50 | (eval-when-compile | |
51 | (unless (boundp 'last-coding-system-used) | |
52 | (defvar last-coding-system-used nil))) | |
53 | ||
4007ba5b KG |
54 | ;; Define SMB method ... |
55 | (defcustom tramp-smb-method "smb" | |
56 | "*Method to connect SAMBA and M$ SMB servers." | |
57 | :group 'tramp | |
58 | :type 'string) | |
59 | ||
60 | ;; ... and add it to the method list. | |
61 | (add-to-list 'tramp-methods (cons tramp-smb-method nil)) | |
62 | ||
63 | ;; Add a default for `tramp-default-method-alist'. Rule: If there is | |
64 | ;; a domain in USER, it must be the SMB method. | |
65 | (add-to-list 'tramp-default-method-alist | |
5ec2cc41 | 66 | (list "" "%" tramp-smb-method)) |
4007ba5b KG |
67 | |
68 | ;; Add completion function for SMB method. | |
69 | (tramp-set-completion-function | |
70 | tramp-smb-method | |
71 | '((tramp-parse-netrc "~/.netrc"))) | |
72 | ||
73 | (defcustom tramp-smb-program "smbclient" | |
74 | "*Name of SMB client to run." | |
75 | :group 'tramp | |
76 | :type 'string) | |
77 | ||
340b8d4f | 78 | (defconst tramp-smb-prompt "^smb: .+> \\|^\\s-+Server\\s-+Comment$" |
4007ba5b KG |
79 | "Regexp used as prompt in smbclient.") |
80 | ||
81 | (defconst tramp-smb-errors | |
82 | (mapconcat | |
83 | 'identity | |
84 | '(; Connection error | |
85 | "Connection to \\S-+ failed" | |
86 | ; Samba | |
4007ba5b | 87 | "ERRDOS" |
5ec2cc41 | 88 | "ERRSRV" |
4007ba5b KG |
89 | "ERRbadfile" |
90 | "ERRbadpw" | |
91 | "ERRfilexists" | |
92 | "ERRnoaccess" | |
93 | "ERRnomem" | |
94 | "ERRnosuchshare" | |
95 | ; Windows NT 4.0, Windows 5.0 (Windows 2000), Windows 5.1 (Windows XP) | |
96 | "NT_STATUS_ACCESS_DENIED" | |
5ec2cc41 | 97 | "NT_STATUS_ACCOUNT_LOCKED_OUT" |
4007ba5b KG |
98 | "NT_STATUS_BAD_NETWORK_NAME" |
99 | "NT_STATUS_CANNOT_DELETE" | |
100 | "NT_STATUS_LOGON_FAILURE" | |
5ec2cc41 | 101 | "NT_STATUS_NETWORK_ACCESS_DENIED" |
4007ba5b KG |
102 | "NT_STATUS_NO_SUCH_FILE" |
103 | "NT_STATUS_OBJECT_NAME_INVALID" | |
104 | "NT_STATUS_OBJECT_NAME_NOT_FOUND" | |
5ec2cc41 KG |
105 | "NT_STATUS_SHARING_VIOLATION" |
106 | "NT_STATUS_WRONG_PASSWORD") | |
4007ba5b KG |
107 | "\\|") |
108 | "Regexp for possible error strings of SMB servers. | |
109 | Used instead of analyzing error codes of commands.") | |
110 | ||
111 | (defvar tramp-smb-share nil | |
112 | "Holds the share name for the current buffer. | |
113 | This variable is local to each buffer.") | |
114 | (make-variable-buffer-local 'tramp-smb-share) | |
115 | ||
116 | (defvar tramp-smb-share-cache nil | |
117 | "Caches the share names accessible to host related to the current buffer. | |
118 | This variable is local to each buffer.") | |
119 | (make-variable-buffer-local 'tramp-smb-share-cache) | |
120 | ||
8daea7fc KG |
121 | (defvar tramp-smb-inodes nil |
122 | "Keeps virtual inodes numbers for SMB files.") | |
123 | ||
4007ba5b KG |
124 | ;; New handlers should be added here. |
125 | (defconst tramp-smb-file-name-handler-alist | |
126 | '( | |
127 | ;; `access-file' performed by default handler | |
128 | (add-name-to-file . tramp-smb-handle-copy-file) ;; we're on Windows, honey. | |
129 | ;; `byte-compiler-base-file-name' performed by default handler | |
130 | (copy-file . tramp-smb-handle-copy-file) | |
131 | (delete-directory . tramp-smb-handle-delete-directory) | |
132 | (delete-file . tramp-smb-handle-delete-file) | |
133 | ;; `diff-latest-backup-file' performed by default handler | |
8daea7fc | 134 | (directory-file-name . tramp-handle-directory-file-name) |
4007ba5b KG |
135 | (directory-files . tramp-smb-handle-directory-files) |
136 | (directory-files-and-attributes . tramp-smb-handle-directory-files-and-attributes) | |
137 | (dired-call-process . tramp-smb-not-handled) | |
138 | (dired-compress-file . tramp-smb-not-handled) | |
139 | ;; `dired-uncache' performed by default handler | |
140 | ;; `expand-file-name' not necessary because we cannot expand "~/" | |
141 | (file-accessible-directory-p . tramp-smb-handle-file-directory-p) | |
142 | (file-attributes . tramp-smb-handle-file-attributes) | |
143 | (file-directory-p . tramp-smb-handle-file-directory-p) | |
144 | (file-executable-p . tramp-smb-handle-file-exists-p) | |
145 | (file-exists-p . tramp-smb-handle-file-exists-p) | |
146 | (file-local-copy . tramp-smb-handle-file-local-copy) | |
19a87064 | 147 | (file-remote-p . tramp-handle-file-remote-p) |
4007ba5b KG |
148 | (file-modes . tramp-handle-file-modes) |
149 | (file-name-all-completions . tramp-smb-handle-file-name-all-completions) | |
150 | ;; `file-name-as-directory' performed by default handler | |
151 | (file-name-completion . tramp-handle-file-name-completion) | |
152 | (file-name-directory . tramp-handle-file-name-directory) | |
153 | (file-name-nondirectory . tramp-handle-file-name-nondirectory) | |
154 | ;; `file-name-sans-versions' performed by default handler | |
155 | (file-newer-than-file-p . tramp-smb-handle-file-newer-than-file-p) | |
156 | (file-ownership-preserved-p . tramp-smb-not-handled) | |
157 | (file-readable-p . tramp-smb-handle-file-exists-p) | |
158 | (file-regular-p . tramp-handle-file-regular-p) | |
159 | (file-symlink-p . tramp-smb-not-handled) | |
160 | ;; `file-truename' performed by default handler | |
161 | (file-writable-p . tramp-smb-handle-file-writable-p) | |
38c65fca | 162 | (find-backup-file-name . tramp-handle-find-backup-file-name) |
4007ba5b KG |
163 | ;; `find-file-noselect' performed by default handler |
164 | ;; `get-file-buffer' performed by default handler | |
165 | (insert-directory . tramp-smb-handle-insert-directory) | |
166 | (insert-file-contents . tramp-handle-insert-file-contents) | |
167 | (load . tramp-handle-load) | |
168 | (make-directory . tramp-smb-handle-make-directory) | |
169 | (make-directory-internal . tramp-smb-handle-make-directory-internal) | |
170 | (make-symbolic-link . tramp-smb-not-handled) | |
171 | (rename-file . tramp-smb-handle-rename-file) | |
172 | (set-file-modes . tramp-smb-not-handled) | |
173 | (set-visited-file-modtime . tramp-smb-not-handled) | |
174 | (shell-command . tramp-smb-not-handled) | |
01917a18 | 175 | (substitute-in-file-name . tramp-smb-handle-substitute-in-file-name) |
4007ba5b KG |
176 | (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory) |
177 | (vc-registered . tramp-smb-not-handled) | |
178 | (verify-visited-file-modtime . tramp-smb-not-handled) | |
179 | (write-region . tramp-smb-handle-write-region) | |
180 | ) | |
181 | "Alist of handler functions for Tramp SMB method. | |
182 | Operations not mentioned here will be handled by the default Emacs primitives.") | |
183 | ||
184 | (defun tramp-smb-file-name-p (filename) | |
185 | "Check if it's a filename for SMB servers." | |
186 | (let ((v (tramp-dissect-file-name filename))) | |
187 | (string= | |
188 | (tramp-find-method | |
189 | (tramp-file-name-multi-method v) | |
190 | (tramp-file-name-method v) | |
191 | (tramp-file-name-user v) | |
192 | (tramp-file-name-host v)) | |
193 | tramp-smb-method))) | |
194 | ||
195 | (defun tramp-smb-file-name-handler (operation &rest args) | |
196 | "Invoke the SMB related OPERATION. | |
197 | First arg specifies the OPERATION, second arg is a list of arguments to | |
198 | pass to the OPERATION." | |
199 | (let ((fn (assoc operation tramp-smb-file-name-handler-alist))) | |
200 | (if fn | |
201 | (if (eq (cdr fn) 'tramp-smb-not-handled) | |
202 | (apply (cdr fn) operation args) | |
203 | (save-match-data (apply (cdr fn) args))) | |
204 | (tramp-run-real-handler operation args)))) | |
205 | ||
206 | (add-to-list 'tramp-foreign-file-name-handler-alist | |
207 | (cons 'tramp-smb-file-name-p 'tramp-smb-file-name-handler)) | |
208 | ||
209 | ||
210 | ;; File name primitives | |
211 | ||
212 | (defun tramp-smb-not-handled (operation &rest args) | |
213 | "Default handler for all functions which are disrecarded." | |
214 | (tramp-message 10 "Won't be handled: %s %s" operation args) | |
215 | nil) | |
216 | ||
217 | (defun tramp-smb-handle-copy-file | |
218 | (filename newname &optional ok-if-already-exists keep-date) | |
219 | "Like `copy-file' for tramp files. | |
220 | KEEP-DATE is not handled in case NEWNAME resides on an SMB server." | |
221 | (setq filename (expand-file-name filename) | |
222 | newname (expand-file-name newname)) | |
223 | ||
224 | (let ((tmpfile (file-local-copy filename))) | |
225 | ||
226 | (if tmpfile | |
227 | ;; remote filename | |
228 | (rename-file tmpfile newname ok-if-already-exists) | |
229 | ||
230 | ;; remote newname | |
231 | (when (file-directory-p newname) | |
232 | (setq newname (expand-file-name | |
233 | (file-name-nondirectory filename) newname))) | |
234 | (when (and (not ok-if-already-exists) | |
235 | (file-exists-p newname)) | |
236 | (error "copy-file: file %s already exists" newname)) | |
237 | ||
340b8d4f | 238 | (with-parsed-tramp-file-name newname nil |
4007ba5b | 239 | (save-excursion |
7432277c KG |
240 | (let ((share (tramp-smb-get-share localname)) |
241 | (file (tramp-smb-get-localname localname t))) | |
4007ba5b KG |
242 | (unless share |
243 | (error "Target `%s' must contain a share name" filename)) | |
244 | (tramp-smb-maybe-open-connection user host share) | |
245 | (tramp-message-for-buffer | |
246 | nil tramp-smb-method user host | |
247 | 5 "Copying file %s to file %s..." filename newname) | |
248 | (if (tramp-smb-send-command | |
249 | user host (format "put %s \"%s\"" filename file)) | |
250 | (tramp-message-for-buffer | |
251 | nil tramp-smb-method user host | |
252 | 5 "Copying file %s to file %s...done" filename newname) | |
253 | (error "Cannot copy `%s'" filename)))))))) | |
254 | ||
255 | (defun tramp-smb-handle-delete-directory (directory) | |
256 | "Like `delete-directory' for tramp files." | |
257 | (setq directory (directory-file-name (expand-file-name directory))) | |
340b8d4f MA |
258 | (when (file-exists-p directory) |
259 | (with-parsed-tramp-file-name directory nil | |
260 | (save-excursion | |
261 | (let ((share (tramp-smb-get-share localname)) | |
262 | (dir (tramp-smb-get-localname (file-name-directory localname) t)) | |
263 | (file (file-name-nondirectory localname))) | |
264 | (tramp-smb-maybe-open-connection user host share) | |
265 | (if (and | |
266 | (tramp-smb-send-command user host (format "cd \"%s\"" dir)) | |
267 | (tramp-smb-send-command user host (format "rmdir \"%s\"" file))) | |
268 | ;; Go Home | |
269 | (tramp-smb-send-command user host (format "cd \\")) | |
270 | ;; Error | |
4007ba5b | 271 | (tramp-smb-send-command user host (format "cd \\")) |
340b8d4f | 272 | (error "Cannot delete directory `%s'" directory))))))) |
4007ba5b KG |
273 | |
274 | (defun tramp-smb-handle-delete-file (filename) | |
275 | "Like `delete-file' for tramp files." | |
276 | (setq filename (expand-file-name filename)) | |
340b8d4f MA |
277 | (when (file-exists-p filename) |
278 | (with-parsed-tramp-file-name filename nil | |
279 | (save-excursion | |
280 | (let ((share (tramp-smb-get-share localname)) | |
281 | (dir (tramp-smb-get-localname (file-name-directory localname) t)) | |
282 | (file (file-name-nondirectory localname))) | |
283 | (tramp-smb-maybe-open-connection user host share) | |
284 | (if (and | |
285 | (tramp-smb-send-command user host (format "cd \"%s\"" dir)) | |
286 | (tramp-smb-send-command user host (format "rm \"%s\"" file))) | |
287 | ;; Go Home | |
288 | (tramp-smb-send-command user host (format "cd \\")) | |
289 | ;; Error | |
4007ba5b | 290 | (tramp-smb-send-command user host (format "cd \\")) |
340b8d4f | 291 | (error "Cannot delete file `%s'" filename))))))) |
4007ba5b KG |
292 | |
293 | (defun tramp-smb-handle-directory-files | |
294 | (directory &optional full match nosort) | |
295 | "Like `directory-files' for tramp files." | |
296 | (setq directory (directory-file-name (expand-file-name directory))) | |
340b8d4f | 297 | (with-parsed-tramp-file-name directory nil |
4007ba5b | 298 | (save-excursion |
7432277c KG |
299 | (let* ((share (tramp-smb-get-share localname)) |
300 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
301 | (entries (tramp-smb-get-file-entries user host share file))) |
302 | ;; Just the file names are needed | |
303 | (setq entries (mapcar 'car entries)) | |
304 | ;; Discriminate with regexp | |
305 | (when match | |
306 | (setq entries | |
307 | (delete nil | |
308 | (mapcar (lambda (x) (when (string-match match x) x)) | |
309 | entries)))) | |
7432277c | 310 | ;; Make absolute localnames if necessary |
4007ba5b KG |
311 | (when full |
312 | (setq entries | |
313 | (mapcar (lambda (x) | |
314 | (concat (file-name-as-directory directory) x)) | |
315 | entries))) | |
316 | ;; Sort them if necessary | |
317 | (unless nosort (setq entries (sort entries 'string-lessp))) | |
318 | ;; That's it | |
319 | entries)))) | |
320 | ||
321 | (defun tramp-smb-handle-directory-files-and-attributes | |
c951aecb | 322 | (directory &optional full match nosort id-format) |
4007ba5b KG |
323 | "Like `directory-files-and-attributes' for tramp files." |
324 | (mapcar | |
325 | (lambda (x) | |
c951aecb | 326 | ;; We cannot call `file-attributes' for backward compatibility reasons. |
340b8d4f | 327 | ;; Its optional parameter ID-FORMAT is introduced with Emacs 22. |
c951aecb KG |
328 | (cons x (tramp-smb-handle-file-attributes |
329 | (if full x (concat (file-name-as-directory directory) x)) id-format))) | |
4007ba5b | 330 | (directory-files directory full match nosort))) |
bf247b6e | 331 | |
c951aecb KG |
332 | (defun tramp-smb-handle-file-attributes (filename &optional id-format) |
333 | "Like `file-attributes' for tramp files." | |
340b8d4f | 334 | (with-parsed-tramp-file-name filename nil |
4007ba5b | 335 | (save-excursion |
7432277c KG |
336 | (let* ((share (tramp-smb-get-share localname)) |
337 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
338 | (entries (tramp-smb-get-file-entries user host share file)) |
339 | (entry (and entries | |
8daea7fc | 340 | (assoc (file-name-nondirectory file) entries))) |
c951aecb KG |
341 | (uid (if (and id-format (equal id-format 'string)) "nobody" -1)) |
342 | (gid (if (and id-format (equal id-format 'string)) "nogroup" -1)) | |
8daea7fc KG |
343 | (inode (tramp-smb-get-inode share file)) |
344 | (device (tramp-get-device nil tramp-smb-method user host))) | |
345 | ||
4007ba5b KG |
346 | ; check result |
347 | (when entry | |
348 | (list (and (string-match "d" (nth 1 entry)) | |
349 | t) ;0 file type | |
350 | -1 ;1 link count | |
c951aecb KG |
351 | uid ;2 uid |
352 | gid ;3 gid | |
8daea7fc | 353 | '(0 0) ;4 atime |
4007ba5b | 354 | (nth 3 entry) ;5 mtime |
8daea7fc | 355 | '(0 0) ;6 ctime |
4007ba5b KG |
356 | (nth 2 entry) ;7 size |
357 | (nth 1 entry) ;8 mode | |
358 | nil ;9 gid weird | |
8daea7fc KG |
359 | inode ;10 inode number |
360 | device)))))) ;11 file system number | |
4007ba5b KG |
361 | |
362 | (defun tramp-smb-handle-file-directory-p (filename) | |
363 | "Like `file-directory-p' for tramp files." | |
340b8d4f | 364 | (with-parsed-tramp-file-name filename nil |
4007ba5b | 365 | (save-excursion |
7432277c KG |
366 | (let* ((share (tramp-smb-get-share localname)) |
367 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
368 | (entries (tramp-smb-get-file-entries user host share file)) |
369 | (entry (and entries | |
370 | (assoc (file-name-nondirectory file) entries)))) | |
371 | (and entry | |
372 | (string-match "d" (nth 1 entry)) | |
373 | t))))) | |
374 | ||
375 | (defun tramp-smb-handle-file-exists-p (filename) | |
376 | "Like `file-exists-p' for tramp files." | |
340b8d4f | 377 | (with-parsed-tramp-file-name filename nil |
4007ba5b | 378 | (save-excursion |
7432277c KG |
379 | (let* ((share (tramp-smb-get-share localname)) |
380 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
381 | (entries (tramp-smb-get-file-entries user host share file))) |
382 | (and entries | |
383 | (member (file-name-nondirectory file) (mapcar 'car entries)) | |
384 | t))))) | |
385 | ||
386 | (defun tramp-smb-handle-file-local-copy (filename) | |
387 | "Like `file-local-copy' for tramp files." | |
388 | (with-parsed-tramp-file-name filename nil | |
389 | (save-excursion | |
7432277c KG |
390 | (let ((share (tramp-smb-get-share localname)) |
391 | (file (tramp-smb-get-localname localname t)) | |
4007ba5b KG |
392 | (tmpfil (tramp-make-temp-file))) |
393 | (unless (file-exists-p filename) | |
394 | (error "Cannot make local copy of non-existing file `%s'" filename)) | |
395 | (tramp-message-for-buffer | |
396 | nil tramp-smb-method user host | |
397 | 5 "Fetching %s to tmp file %s..." filename tmpfil) | |
398 | (tramp-smb-maybe-open-connection user host share) | |
399 | (if (tramp-smb-send-command | |
400 | user host (format "get \"%s\" %s" file tmpfil)) | |
401 | (tramp-message-for-buffer | |
402 | nil tramp-smb-method user host | |
403 | 5 "Fetching %s to tmp file %s...done" filename tmpfil) | |
404 | (error "Cannot make local copy of file `%s'" filename)) | |
405 | tmpfil)))) | |
406 | ||
407 | ;; This function should return "foo/" for directories and "bar" for | |
408 | ;; files. | |
409 | (defun tramp-smb-handle-file-name-all-completions (filename directory) | |
410 | "Like `file-name-all-completions' for tramp files." | |
340b8d4f | 411 | (with-parsed-tramp-file-name directory nil |
4007ba5b KG |
412 | (save-match-data |
413 | (save-excursion | |
7432277c KG |
414 | (let* ((share (tramp-smb-get-share localname)) |
415 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
416 | (entries (tramp-smb-get-file-entries user host share file))) |
417 | ||
418 | (all-completions | |
419 | filename | |
420 | (mapcar | |
421 | (lambda (x) | |
422 | (list | |
423 | (if (string-match "d" (nth 1 x)) | |
424 | (file-name-as-directory (nth 0 x)) | |
425 | (nth 0 x)))) | |
426 | entries))))))) | |
427 | ||
428 | (defun tramp-smb-handle-file-newer-than-file-p (file1 file2) | |
429 | "Like `file-newer-than-file-p' for tramp files." | |
430 | (cond | |
431 | ((not (file-exists-p file1)) nil) | |
432 | ((not (file-exists-p file2)) t) | |
433 | (t (tramp-smb-time-less-p (file-attributes file2) | |
434 | (file-attributes file1))))) | |
435 | ||
436 | (defun tramp-smb-handle-file-writable-p (filename) | |
437 | "Like `file-writable-p' for tramp files." | |
5ec2cc41 KG |
438 | (if (not (file-exists-p filename)) |
439 | (let ((dir (file-name-directory filename))) | |
440 | (and (file-exists-p dir) | |
441 | (file-writable-p dir))) | |
340b8d4f | 442 | (with-parsed-tramp-file-name filename nil |
5ec2cc41 KG |
443 | (save-excursion |
444 | (let* ((share (tramp-smb-get-share localname)) | |
445 | (file (tramp-smb-get-localname localname nil)) | |
446 | (entries (tramp-smb-get-file-entries user host share file)) | |
447 | (entry (and entries | |
448 | (assoc (file-name-nondirectory file) entries)))) | |
449 | (and share entry | |
450 | (string-match "w" (nth 1 entry)) | |
451 | t)))))) | |
4007ba5b KG |
452 | |
453 | (defun tramp-smb-handle-insert-directory | |
454 | (filename switches &optional wildcard full-directory-p) | |
455 | "Like `insert-directory' for tramp files. | |
456 | WILDCARD and FULL-DIRECTORY-P are not handled." | |
457 | (setq filename (expand-file-name filename)) | |
458 | (when (file-directory-p filename) | |
459 | ;; This check is a little bit strange, but in `dired-add-entry' | |
460 | ;; this function is called with a non-directory ... | |
461 | (setq filename (file-name-as-directory filename))) | |
340b8d4f | 462 | (with-parsed-tramp-file-name filename nil |
4007ba5b | 463 | (save-match-data |
7432277c KG |
464 | (let* ((share (tramp-smb-get-share localname)) |
465 | (file (tramp-smb-get-localname localname nil)) | |
4007ba5b KG |
466 | (entries (tramp-smb-get-file-entries user host share file))) |
467 | ||
468 | ;; Delete dummy "" entry, useless entries | |
bf247b6e | 469 | (setq entries |
4007ba5b KG |
470 | (if (file-directory-p filename) |
471 | (delq (assoc "" entries) entries) | |
472 | ;; We just need the only and only entry FILENAME. | |
473 | (list (assoc (file-name-nondirectory filename) entries)))) | |
474 | ||
475 | ;; Sort entries | |
476 | (setq entries | |
477 | (sort | |
478 | entries | |
479 | (lambda (x y) | |
480 | (if (string-match "t" switches) | |
481 | ; sort by date | |
482 | (tramp-smb-time-less-p (nth 3 y) (nth 3 x)) | |
483 | ; sort by name | |
484 | (string-lessp (nth 0 x) (nth 0 y)))))) | |
485 | ||
486 | ;; Print entries | |
487 | (mapcar | |
488 | (lambda (x) | |
489 | (insert | |
490 | (format | |
491 | "%10s %3d %-8s %-8s %8s %s %s\n" | |
492 | (nth 1 x) ; mode | |
493 | 1 "nobody" "nogroup" | |
494 | (nth 2 x) ; size | |
495 | (format-time-string | |
496 | (if (tramp-smb-time-less-p | |
497 | (tramp-smb-time-subtract (current-time) (nth 3 x)) | |
498 | tramp-smb-half-a-year) | |
499 | "%b %e %R" | |
500 | "%b %e %Y") | |
501 | (nth 3 x)) ; date | |
502 | (nth 0 x))) ; file name | |
503 | (forward-line) | |
504 | (beginning-of-line)) | |
505 | entries))))) | |
506 | ||
507 | (defun tramp-smb-handle-make-directory (dir &optional parents) | |
508 | "Like `make-directory' for tramp files." | |
509 | (setq dir (directory-file-name (expand-file-name dir))) | |
510 | (unless (file-name-absolute-p dir) | |
511 | (setq dir (concat default-directory dir))) | |
340b8d4f | 512 | (with-parsed-tramp-file-name dir nil |
4007ba5b | 513 | (save-match-data |
7432277c | 514 | (let* ((share (tramp-smb-get-share localname)) |
4007ba5b KG |
515 | (ldir (file-name-directory dir))) |
516 | ;; Make missing directory parts | |
517 | (when (and parents share (not (file-directory-p ldir))) | |
518 | (make-directory ldir parents)) | |
519 | ;; Just do it | |
520 | (when (file-directory-p ldir) | |
8daea7fc | 521 | (make-directory-internal dir)) |
4007ba5b KG |
522 | (unless (file-directory-p dir) |
523 | (error "Couldn't make directory %s" dir)))))) | |
524 | ||
525 | (defun tramp-smb-handle-make-directory-internal (directory) | |
526 | "Like `make-directory-internal' for tramp files." | |
527 | (setq directory (directory-file-name (expand-file-name directory))) | |
528 | (unless (file-name-absolute-p directory) | |
c951aecb | 529 | (setq directory (concat default-directory directory))) |
340b8d4f | 530 | (with-parsed-tramp-file-name directory nil |
4007ba5b | 531 | (save-match-data |
7432277c KG |
532 | (let* ((share (tramp-smb-get-share localname)) |
533 | (file (tramp-smb-get-localname localname nil))) | |
4007ba5b KG |
534 | (when (file-directory-p (file-name-directory directory)) |
535 | (tramp-smb-maybe-open-connection user host share) | |
536 | (tramp-smb-send-command user host (format "mkdir \"%s\"" file))) | |
537 | (unless (file-directory-p directory) | |
538 | (error "Couldn't make directory %s" directory)))))) | |
539 | ||
540 | (defun tramp-smb-handle-rename-file | |
541 | (filename newname &optional ok-if-already-exists) | |
542 | "Like `rename-file' for tramp files." | |
543 | (setq filename (expand-file-name filename) | |
544 | newname (expand-file-name newname)) | |
545 | ||
546 | (let ((tmpfile (file-local-copy filename))) | |
547 | ||
548 | (if tmpfile | |
549 | ;; remote filename | |
550 | (rename-file tmpfile newname ok-if-already-exists) | |
551 | ||
552 | ;; remote newname | |
553 | (when (file-directory-p newname) | |
554 | (setq newname (expand-file-name | |
555 | (file-name-nondirectory filename) newname))) | |
556 | (when (and (not ok-if-already-exists) | |
557 | (file-exists-p newname)) | |
558 | (error "rename-file: file %s already exists" newname)) | |
559 | ||
340b8d4f | 560 | (with-parsed-tramp-file-name newname nil |
4007ba5b | 561 | (save-excursion |
7432277c KG |
562 | (let ((share (tramp-smb-get-share localname)) |
563 | (file (tramp-smb-get-localname localname t))) | |
4007ba5b KG |
564 | (tramp-smb-maybe-open-connection user host share) |
565 | (tramp-message-for-buffer | |
566 | nil tramp-smb-method user host | |
567 | 5 "Copying file %s to file %s..." filename newname) | |
568 | (if (tramp-smb-send-command | |
569 | user host (format "put %s \"%s\"" filename file)) | |
570 | (tramp-message-for-buffer | |
571 | nil tramp-smb-method user host | |
572 | 5 "Copying file %s to file %s...done" filename newname) | |
573 | (error "Cannot rename `%s'" filename))))))) | |
574 | ||
575 | (delete-file filename)) | |
576 | ||
01917a18 MA |
577 | (defun tramp-smb-handle-substitute-in-file-name (filename) |
578 | "Like `handle-substitute-in-file-name' for tramp files. | |
579 | Catches errors for shares like \"C$/\", which are common in Microsoft Windows." | |
580 | (condition-case nil | |
581 | (tramp-run-real-handler 'substitute-in-file-name (list filename)) | |
582 | (error filename))) | |
583 | ||
4007ba5b KG |
584 | (defun tramp-smb-handle-write-region |
585 | (start end filename &optional append visit lockname confirm) | |
586 | "Like `write-region' for tramp files." | |
587 | (unless (eq append nil) | |
588 | (error "Cannot append to file using tramp (`%s')" filename)) | |
589 | (setq filename (expand-file-name filename)) | |
590 | ;; XEmacs takes a coding system as the seventh argument, not `confirm' | |
591 | (when (and (not (featurep 'xemacs)) | |
592 | confirm (file-exists-p filename)) | |
593 | (unless (y-or-n-p (format "File %s exists; overwrite anyway? " | |
594 | filename)) | |
595 | (error "File not overwritten"))) | |
340b8d4f | 596 | (with-parsed-tramp-file-name filename nil |
4007ba5b | 597 | (save-excursion |
7432277c KG |
598 | (let ((share (tramp-smb-get-share localname)) |
599 | (file (tramp-smb-get-localname localname t)) | |
4007ba5b KG |
600 | (curbuf (current-buffer)) |
601 | ;; We use this to save the value of `last-coding-system-used' | |
602 | ;; after writing the tmp file. At the end of the function, | |
603 | ;; we set `last-coding-system-used' to this saved value. | |
604 | ;; This way, any intermediary coding systems used while | |
605 | ;; talking to the remote shell or suchlike won't hose this | |
606 | ;; variable. This approach was snarfed from ange-ftp.el. | |
607 | coding-system-used | |
608 | tmpfil) | |
609 | ;; Write region into a tmp file. | |
610 | (setq tmpfil (tramp-make-temp-file)) | |
611 | ;; We say `no-message' here because we don't want the visited file | |
612 | ;; modtime data to be clobbered from the temp file. We call | |
613 | ;; `set-visited-file-modtime' ourselves later on. | |
614 | (tramp-run-real-handler | |
615 | 'write-region | |
616 | (if confirm ; don't pass this arg unless defined for backward compat. | |
617 | (list start end tmpfil append 'no-message lockname confirm) | |
618 | (list start end tmpfil append 'no-message lockname))) | |
619 | ;; Now, `last-coding-system-used' has the right value. Remember it. | |
620 | (when (boundp 'last-coding-system-used) | |
621 | (setq coding-system-used last-coding-system-used)) | |
622 | ||
623 | (tramp-smb-maybe-open-connection user host share) | |
624 | (tramp-message-for-buffer | |
625 | nil tramp-smb-method user host | |
626 | 5 "Writing tmp file %s to file %s..." tmpfil filename) | |
627 | (if (tramp-smb-send-command | |
628 | user host (format "put %s \"%s\"" tmpfil file)) | |
629 | (tramp-message-for-buffer | |
630 | nil tramp-smb-method user host | |
631 | 5 "Writing tmp file %s to file %s...done" tmpfil filename) | |
632 | (error "Cannot write `%s'" filename)) | |
633 | ||
634 | (delete-file tmpfil) | |
635 | (unless (equal curbuf (current-buffer)) | |
636 | (error "Buffer has changed from `%s' to `%s'" | |
637 | curbuf (current-buffer))) | |
638 | (when (eq visit t) | |
639 | (set-visited-file-modtime)) | |
640 | ;; Make `last-coding-system-used' have the right value. | |
641 | (when (boundp 'last-coding-system-used) | |
642 | (setq last-coding-system-used coding-system-used)))))) | |
643 | ||
644 | ||
645 | ;; Internal file name functions | |
646 | ||
7432277c KG |
647 | (defun tramp-smb-get-share (localname) |
648 | "Returns the share name of LOCALNAME." | |
4007ba5b | 649 | (save-match-data |
7432277c KG |
650 | (when (string-match "^/?\\([^/]+\\)/" localname) |
651 | (match-string 1 localname)))) | |
4007ba5b | 652 | |
7432277c KG |
653 | (defun tramp-smb-get-localname (localname convert) |
654 | "Returns the file name of LOCALNAME. | |
4007ba5b KG |
655 | If CONVERT is non-nil exchange \"/\" by \"\\\\\"." |
656 | (save-match-data | |
7432277c | 657 | (let ((res localname)) |
4007ba5b KG |
658 | |
659 | (setq | |
660 | res (if (string-match "^/?[^/]+/\\(.*\\)" res) | |
661 | (if convert | |
662 | (mapconcat | |
663 | (lambda (x) (if (equal x ?/) "\\" (char-to-string x))) | |
664 | (match-string 1 res) "") | |
665 | (match-string 1 res)) | |
666 | (if (string-match "^/?\\([^/]+\\)$" res) | |
667 | (match-string 1 res) | |
668 | ""))) | |
669 | ||
670 | ;; Sometimes we have discarded `substitute-in-file-name' | |
671 | (when (string-match "\\(\\$\\$\\)\\(/\\|$\\)" res) | |
672 | (setq res (replace-match "$" nil nil res 1))) | |
673 | ||
674 | res))) | |
675 | ||
676 | ;; Share names of a host are cached. It is very unlikely that the | |
677 | ;; shares do change during connection. | |
7432277c KG |
678 | (defun tramp-smb-get-file-entries (user host share localname) |
679 | "Read entries which match LOCALNAME. | |
4007ba5b | 680 | Either the shares are listed, or the `dir' command is executed. |
7432277c KG |
681 | Only entries matching the localname are returned. |
682 | Result is a list of (LOCALNAME MODE SIZE MONTH DAY TIME YEAR)." | |
4007ba5b KG |
683 | (save-excursion |
684 | (save-match-data | |
7432277c KG |
685 | (let ((base (or (and (> (length localname) 0) |
686 | (string-match "\\([^/]+\\)$" localname) | |
687 | (regexp-quote (match-string 1 localname))) | |
4007ba5b KG |
688 | "")) |
689 | res entry) | |
690 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
691 | (if (and (not share) tramp-smb-share-cache) | |
692 | ;; Return cached shares | |
693 | (setq res tramp-smb-share-cache) | |
694 | ;; Read entries | |
695 | (tramp-smb-maybe-open-connection user host share) | |
696 | (when share | |
697 | (tramp-smb-send-command | |
698 | user host | |
699 | (format "dir %s" | |
7432277c | 700 | (if (zerop (length localname)) "" (concat "\"" localname "*\""))))) |
4007ba5b KG |
701 | (goto-char (point-min)) |
702 | ;; Loop the listing | |
703 | (unless (re-search-forward tramp-smb-errors nil t) | |
704 | (while (not (eobp)) | |
705 | (setq entry (tramp-smb-read-file-entry share)) | |
706 | (forward-line) | |
707 | (when entry (add-to-list 'res entry)))) | |
708 | (unless share | |
709 | ;; Cache share entries | |
710 | (setq tramp-smb-share-cache res))) | |
711 | ||
4007ba5b | 712 | ;; Add directory itself |
5ec2cc41 KG |
713 | (add-to-list 'res '("" "drwxrwxrwx" 0 (0 0))) |
714 | ||
715 | ;; There's a very strange error (debugged with XEmacs 21.4.14) | |
716 | ;; If there's no short delay, it returns nil. No idea about | |
717 | (when (featurep 'xemacs) (sleep-for 0.01)) | |
4007ba5b KG |
718 | |
719 | ;; Check for matching entries | |
720 | (delq nil (mapcar | |
721 | (lambda (x) (and (string-match base (nth 0 x)) x)) | |
722 | res)))))) | |
723 | ||
724 | ;; Return either a share name (if SHARE is nil), or a file name | |
725 | ;; | |
726 | ;; If shares are listed, the following format is expected | |
727 | ;; | |
728 | ;; \s-\{8,8} - leading spaces | |
729 | ;; \S-\(.*\S-\)\s-* - share name, 14 char | |
730 | ;; \s- - space delimeter | |
731 | ;; \S-+\s-* - type, 8 char, "Disk " expected | |
732 | ;; \(\s-\{2,2\}.*\)? - space delimeter, comment | |
733 | ;; | |
734 | ;; Entries provided by smbclient DIR aren't fully regular. | |
735 | ;; They should have the format | |
736 | ;; | |
737 | ;; \s-\{2,2} - leading spaces | |
b1a2b924 KG |
738 | ;; \S-\(.*\S-\)\s-* - file name, 30 chars, left bound |
739 | ;; \s-+[ADHRSV]* - permissions, 7 chars, right bound | |
4007ba5b | 740 | ;; \s- - space delimeter |
b1a2b924 | 741 | ;; \s-+[0-9]+ - size, 8 chars, right bound |
4007ba5b KG |
742 | ;; \s-\{2,2\} - space delimeter |
743 | ;; \w\{3,3\} - weekday | |
744 | ;; \s- - space delimeter | |
b1a2b924 KG |
745 | ;; \w\{3,3\} - month |
746 | ;; \s- - space delimeter | |
4007ba5b KG |
747 | ;; [ 19][0-9] - day |
748 | ;; \s- - space delimeter | |
749 | ;; [0-9]\{2,2\}:[0-9]\{2,2\}:[0-9]\{2,2\} - time | |
750 | ;; \s- - space delimeter | |
751 | ;; [0-9]\{4,4\} - year | |
752 | ;; | |
b1a2b924 KG |
753 | ;; samba/src/client.c (http://samba.org/doxygen/samba/client_8c-source.html) |
754 | ;; has function display_finfo: | |
755 | ;; | |
756 | ;; d_printf(" %-30s%7.7s %8.0f %s", | |
757 | ;; finfo->name, | |
758 | ;; attrib_string(finfo->mode), | |
759 | ;; (double)finfo->size, | |
760 | ;; asctime(LocalTime(&t))); | |
761 | ;; | |
762 | ;; in Samba 1.9, there's the following code: | |
763 | ;; | |
764 | ;; DEBUG(0,(" %-30s%7.7s%10d %s", | |
765 | ;; CNV_LANG(finfo->name), | |
766 | ;; attrib_string(finfo->mode), | |
767 | ;; finfo->size, | |
768 | ;; asctime(LocalTime(&t)))); | |
769 | ;; | |
4007ba5b KG |
770 | ;; Problems: |
771 | ;; * Modern regexp constructs, like spy groups and counted repetitions, aren't | |
772 | ;; available in older Emacsen. | |
773 | ;; * The length of constructs (file name, size) might exceed the default. | |
774 | ;; * File names might contain spaces. | |
775 | ;; * Permissions might be empty. | |
776 | ;; | |
777 | ;; So we try to analyze backwards. | |
778 | (defun tramp-smb-read-file-entry (share) | |
779 | "Parse entry in SMB output buffer. | |
780 | If SHARE is result, entries are of type dir. Otherwise, shares are listed. | |
7432277c | 781 | Result is the list (LOCALNAME MODE SIZE MTIME)." |
4007ba5b | 782 | (let ((line (buffer-substring (point) (tramp-point-at-eol))) |
7432277c | 783 | localname mode size month day hour min sec year mtime) |
4007ba5b KG |
784 | |
785 | (if (not share) | |
786 | ||
787 | ; Read share entries | |
788 | (when (string-match "^\\s-+\\(\\S-+\\)\\s-+Disk" line) | |
7432277c | 789 | (setq localname (match-string 1 line) |
4007ba5b KG |
790 | mode "dr-xr-xr-x" |
791 | size 0)) | |
792 | ||
793 | ; Real listing | |
794 | (block nil | |
795 | ||
796 | ;; year | |
797 | (if (string-match "\\([0-9]+\\)$" line) | |
798 | (setq year (string-to-number (match-string 1 line)) | |
799 | line (substring line 0 -5)) | |
800 | (return)) | |
801 | ||
802 | ;; time | |
803 | (if (string-match "\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)$" line) | |
804 | (setq hour (string-to-number (match-string 1 line)) | |
805 | min (string-to-number (match-string 2 line)) | |
806 | sec (string-to-number (match-string 3 line)) | |
807 | line (substring line 0 -9)) | |
808 | (return)) | |
809 | ||
810 | ;; day | |
811 | (if (string-match "\\([0-9]+\\)$" line) | |
812 | (setq day (string-to-number (match-string 1 line)) | |
813 | line (substring line 0 -3)) | |
814 | (return)) | |
815 | ||
816 | ;; month | |
817 | (if (string-match "\\(\\w+\\)$" line) | |
818 | (setq month (match-string 1 line) | |
819 | line (substring line 0 -4)) | |
820 | (return)) | |
821 | ||
822 | ;; weekday | |
823 | (if (string-match "\\(\\w+\\)$" line) | |
824 | (setq line (substring line 0 -5)) | |
825 | (return)) | |
826 | ||
827 | ;; size | |
828 | (if (string-match "\\([0-9]+\\)$" line) | |
b1a2b924 KG |
829 | (let ((length (- (max 10 (1+ (length (match-string 1 line))))))) |
830 | (setq size (string-to-number (match-string 1 line))) | |
831 | (when (string-match "\\([ADHRSV]+\\)" (substring line length)) | |
832 | (setq length (+ length (match-end 0)))) | |
833 | (setq line (substring line 0 length))) | |
4007ba5b KG |
834 | (return)) |
835 | ||
b1a2b924 KG |
836 | ;; mode: ARCH, DIR, HIDDEN, RONLY, SYSTEM, VOLID |
837 | (if (string-match "\\([ADHRSV]+\\)?$" line) | |
4007ba5b | 838 | (setq |
b1a2b924 | 839 | mode (or (match-string 1 line) "") |
4007ba5b KG |
840 | mode (save-match-data (format |
841 | "%s%s" | |
842 | (if (string-match "D" mode) "d" "-") | |
843 | (mapconcat | |
844 | (lambda (x) "") " " | |
845 | (concat "r" (if (string-match "R" mode) "-" "w") "x")))) | |
b1a2b924 | 846 | line (substring line 0 -7)) |
4007ba5b KG |
847 | (return)) |
848 | ||
7432277c | 849 | ;; localname |
b1a2b924 | 850 | (if (string-match "^\\s-+\\(\\S-\\(.*\\S-\\)?\\)\\s-*$" line) |
7432277c | 851 | (setq localname (match-string 1 line)) |
4007ba5b KG |
852 | (return)))) |
853 | ||
7432277c | 854 | (when (and localname mode size) |
4007ba5b KG |
855 | (setq mtime |
856 | (if (and sec min hour day month year) | |
857 | (encode-time | |
858 | sec min hour day | |
859 | (cdr (assoc (downcase month) tramp-smb-parse-time-months)) | |
860 | year) | |
861 | '(0 0))) | |
7432277c | 862 | (list localname mode size mtime)))) |
4007ba5b | 863 | |
8daea7fc KG |
864 | ;; Inodes don't exist for SMB files. Therefore we must generate virtual ones. |
865 | ;; Used in `find-buffer-visiting'. | |
866 | ;; The method applied might be not so efficient (Ange-FTP uses hashes). But | |
867 | ;; performance isn't the major issue given that file transfer will take time. | |
868 | ||
869 | (defun tramp-smb-get-inode (share file) | |
870 | "Returns the virtual inode number. | |
871 | If it doesn't exist, generate a new one." | |
872 | (let ((string (concat share "/" (directory-file-name file)))) | |
873 | (unless (assoc string tramp-smb-inodes) | |
874 | (add-to-list 'tramp-smb-inodes | |
875 | (list string (length tramp-smb-inodes)))) | |
876 | (nth 1 (assoc string tramp-smb-inodes)))) | |
877 | ||
4007ba5b KG |
878 | |
879 | ;; Connection functions | |
880 | ||
881 | (defun tramp-smb-send-command (user host command) | |
882 | "Send the COMMAND to USER at HOST (logged into an SMB session). | |
883 | Erases temporary buffer before sending the command. Returns nil if | |
884 | there has been an error message from smbclient." | |
885 | (save-excursion | |
886 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
887 | (erase-buffer) | |
888 | (tramp-send-command nil tramp-smb-method user host command nil t) | |
889 | (tramp-smb-wait-for-output user host))) | |
890 | ||
891 | (defun tramp-smb-maybe-open-connection (user host share) | |
892 | "Maybe open a connection to HOST, logging in as USER, using `tramp-smb-program'. | |
893 | Does not do anything if a connection is already open, but re-opens the | |
894 | connection if a previous connection has died for some reason." | |
5ec2cc41 KG |
895 | (let ((process-connection-type tramp-process-connection-type) |
896 | (p (get-buffer-process | |
4007ba5b KG |
897 | (tramp-get-buffer nil tramp-smb-method user host)))) |
898 | (save-excursion | |
899 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
900 | ;; Check whether it is still the same share | |
901 | (unless (and p (processp p) (string-equal tramp-smb-share share)) | |
902 | (when (and p (processp p)) | |
903 | (delete-process p) | |
904 | (setq p nil))) | |
905 | ;; If too much time has passed since last command was sent, look | |
906 | ;; whether process is still alive. If it isn't, kill it. | |
907 | (when (and tramp-last-cmd-time | |
908 | (> (tramp-time-diff (current-time) tramp-last-cmd-time) 60) | |
909 | p (processp p) (memq (process-status p) '(run open))) | |
910 | (unless (and p (processp p) (memq (process-status p) '(run open))) | |
911 | (delete-process p) | |
912 | (setq p nil)))) | |
913 | (unless (and p (processp p) (memq (process-status p) '(run open))) | |
914 | (when (and p (processp p)) | |
915 | (delete-process p)) | |
916 | (tramp-smb-open-connection user host share)))) | |
917 | ||
918 | (defun tramp-smb-open-connection (user host share) | |
919 | "Open a connection using `tramp-smb-program'. | |
920 | This starts the command `smbclient //HOST/SHARE -U USER', then waits | |
921 | for a remote password prompt. It queries the user for the password, | |
922 | then sends the password to the remote host. | |
923 | ||
924 | Domain names in USER and port numbers in HOST are acknowledged." | |
925 | ||
340b8d4f MA |
926 | (when (and (fboundp 'executable-find) |
927 | (not (funcall 'executable-find tramp-smb-program))) | |
928 | (error "Cannot find command %s in %s" tramp-smb-program exec-path)) | |
929 | ||
4007ba5b KG |
930 | (save-match-data |
931 | (let* ((buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
932 | (real-user user) | |
933 | (real-host host) | |
934 | domain port args) | |
935 | ||
936 | ; Check for domain ("user%domain") and port ("host#port") | |
937 | (when (and user (string-match "\\(.+\\)%\\(.+\\)" user)) | |
938 | (setq real-user (or (match-string 1 user) user) | |
939 | domain (match-string 2 user))) | |
940 | ||
941 | (when (and host (string-match "\\(.+\\)#\\(.+\\)" host)) | |
942 | (setq real-host (or (match-string 1 host) host) | |
943 | port (match-string 2 host))) | |
944 | ||
945 | (if share | |
946 | (setq args (list (concat "//" real-host "/" share))) | |
947 | (setq args (list "-L" real-host ))) | |
948 | ||
949 | (if real-user | |
950 | (setq args (append args (list "-U" real-user))) | |
951 | (setq args (append args (list "-N")))) | |
952 | ||
953 | (when domain (setq args (append args (list "-W" domain)))) | |
954 | (when port (setq args (append args (list "-p" port)))) | |
955 | ||
956 | ; OK, let's go | |
430c1c66 | 957 | (tramp-pre-connection nil tramp-smb-method user host tramp-chunksize) |
4007ba5b KG |
958 | (tramp-message 7 "Opening connection for //%s@%s/%s..." |
959 | user host (or share "")) | |
960 | ||
961 | (let* ((default-directory (tramp-temporary-file-directory)) | |
962 | ;; If we omit the conditional here, then we would use | |
963 | ;; `undecided-dos' in some cases. With the conditional, | |
964 | ;; we use nil in these cases. Which one is right? | |
965 | (coding-system-for-read (unless (and (not (featurep 'xemacs)) | |
966 | (> emacs-major-version 20)) | |
967 | tramp-dos-coding-system)) | |
968 | (p (apply #'start-process (buffer-name buffer) buffer | |
969 | tramp-smb-program args))) | |
970 | ||
971 | (tramp-message 9 "Started process %s" (process-command p)) | |
19a87064 | 972 | (tramp-set-process-query-on-exit-flag p nil) |
4007ba5b | 973 | (set-buffer buffer) |
5ec2cc41 | 974 | (setq tramp-smb-share share) |
4007ba5b KG |
975 | |
976 | ; send password | |
977 | (when real-user | |
978 | (let ((pw-prompt "Password:")) | |
979 | (tramp-message 9 "Sending password") | |
07dfe738 | 980 | (tramp-enter-password p pw-prompt user host))) |
4007ba5b KG |
981 | |
982 | (unless (tramp-smb-wait-for-output user host) | |
5ec2cc41 | 983 | (tramp-clear-passwd user host) |
4007ba5b KG |
984 | (error "Cannot open connection //%s@%s/%s" |
985 | user host (or share ""))))))) | |
986 | ||
987 | ;; We don't use timeouts. If needed, the caller shall wrap around. | |
988 | (defun tramp-smb-wait-for-output (user host) | |
989 | "Wait for output from smbclient command. | |
4007ba5b | 990 | Returns nil if an error message has appeared." |
5ec2cc41 KG |
991 | (let ((proc (get-buffer-process (current-buffer))) |
992 | (found (progn (goto-char (point-min)) | |
993 | (re-search-forward tramp-smb-prompt nil t))) | |
994 | (err (progn (goto-char (point-min)) | |
995 | (re-search-forward tramp-smb-errors nil t)))) | |
996 | ||
997 | ;; Algorithm: get waiting output. See if last line contains | |
998 | ;; tramp-smb-prompt sentinel or tramp-smb-errors strings. | |
999 | ;; If not, wait a bit and again get waiting output. | |
1000 | (while (and (not found) (not err)) | |
1001 | ||
1002 | ;; Accept pending output. | |
1003 | (accept-process-output proc) | |
1004 | ||
1005 | ;; Search for prompt. | |
4007ba5b | 1006 | (goto-char (point-min)) |
5ec2cc41 KG |
1007 | (setq found (re-search-forward tramp-smb-prompt nil t)) |
1008 | ||
1009 | ;; Search for errors. | |
1010 | (goto-char (point-min)) | |
1011 | (setq err (re-search-forward tramp-smb-errors nil t))) | |
1012 | ||
1013 | ;; Add output to debug buffer if appropriate. | |
1014 | (when tramp-debug-buffer | |
1015 | (append-to-buffer | |
1016 | (tramp-get-debug-buffer nil tramp-smb-method user host) | |
1017 | (point-min) (point-max))) | |
1018 | ||
1019 | ;; Return value is whether no error message has appeared. | |
1020 | (not err))) | |
4007ba5b KG |
1021 | |
1022 | ||
1023 | ;; Snarfed code from time-date.el and parse-time.el | |
1024 | ||
1025 | (defconst tramp-smb-half-a-year '(241 17024) | |
1026 | "Evaluated by \"(days-to-time 183)\".") | |
1027 | ||
1028 | (defconst tramp-smb-parse-time-months '(("jan" . 1) ("feb" . 2) ("mar" . 3) | |
1029 | ("apr" . 4) ("may" . 5) ("jun" . 6) | |
1030 | ("jul" . 7) ("aug" . 8) ("sep" . 9) | |
1031 | ("oct" . 10) ("nov" . 11) ("dec" . 12)) | |
1032 | "Alist mapping month names to integers.") | |
1033 | ||
1034 | (defun tramp-smb-time-less-p (t1 t2) | |
1035 | "Say whether time value T1 is less than time value T2." | |
1036 | (unless t1 (setq t1 '(0 0))) | |
1037 | (unless t2 (setq t2 '(0 0))) | |
1038 | (or (< (car t1) (car t2)) | |
1039 | (and (= (car t1) (car t2)) | |
1040 | (< (nth 1 t1) (nth 1 t2))))) | |
1041 | ||
1042 | (defun tramp-smb-time-subtract (t1 t2) | |
1043 | "Subtract two time values. | |
1044 | Return the difference in the format of a time value." | |
1045 | (unless t1 (setq t1 '(0 0))) | |
1046 | (unless t2 (setq t2 '(0 0))) | |
1047 | (let ((borrow (< (cadr t1) (cadr t2)))) | |
1048 | (list (- (car t1) (car t2) (if borrow 1 0)) | |
1049 | (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2))))) | |
1050 | ||
1051 | ||
4007ba5b KG |
1052 | (provide 'tramp-smb) |
1053 | ||
1054 | ;;; TODO: | |
1055 | ||
1056 | ;; * Provide a local smb.conf. The default one might not be readable. | |
1057 | ;; * Error handling in case password is wrong. | |
1058 | ;; * Read password from "~/.netrc". | |
4007ba5b KG |
1059 | ;; * Return more comprehensive file permission string. Think whether it is |
1060 | ;; possible to implement `set-file-modes'. | |
1061 | ;; * Handle WILDCARD and FULL-DIRECTORY-P in | |
1062 | ;; `tramp-smb-handle-insert-directory'. | |
1063 | ;; * Handle links (FILENAME.LNK). | |
1064 | ;; * Maybe local tmp files should have the same extension like the original | |
1065 | ;; files. Strange behaviour with jka-compr otherwise? | |
1066 | ;; * Copy files in dired from SMB to another method doesn't work. | |
1067 | ;; * Try to remove the inclusion of dummy "" directory. Seems to be at | |
1068 | ;; several places, especially in `tramp-smb-handle-insert-directory'. | |
1069 | ;; * Provide variables for debug. | |
1070 | ;; * (RMS) Use unwind-protect to clean up the state so as to make the state | |
1071 | ;; regular again. | |
1072 | ||
ab5796a9 | 1073 | ;;; arch-tag: fcc9dbec-7503-4d73-b638-3c8aa59575f5 |
4007ba5b | 1074 | ;;; tramp-smb.el ends here |