HCoop / bpt / emacs.git / blame
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| 4007ba5b KG |
1 | ;;; tramp-smb.el --- Tramp access functions for SMB servers -*- coding: iso-8859-1; -*- |
| 2 | ||
| ebd06e28 | 3 | ;; Copyright (C) 2002, 2003, 2004, 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 | |
| 3a35cf56 LK |
22 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 23 | ;; Boston, MA 02110-1301, USA. | |
| 4007ba5b KG |
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 | ||
| 4007ba5b KG |
49 | ;; Define SMB method ... |
| 50 | (defcustom tramp-smb-method "smb" | |
| 51 | "*Method to connect SAMBA and M$ SMB servers." | |
| 52 | :group 'tramp | |
| 53 | :type 'string) | |
| 54 | ||
| 55 | ;; ... and add it to the method list. | |
| 56 | (add-to-list 'tramp-methods (cons tramp-smb-method nil)) | |
| 57 | ||
| 58 | ;; Add a default for `tramp-default-method-alist'. Rule: If there is | |
| 59 | ;; a domain in USER, it must be the SMB method. | |
| 60 | (add-to-list 'tramp-default-method-alist | |
| 5ec2cc41 | 61 | (list "" "%" tramp-smb-method)) |
| 4007ba5b KG |
62 | |
| 63 | ;; Add completion function for SMB method. | |
| 64 | (tramp-set-completion-function | |
| 65 | tramp-smb-method | |
| 66 | '((tramp-parse-netrc "~/.netrc"))) | |
| 67 | ||
| 68 | (defcustom tramp-smb-program "smbclient" | |
| 69 | "*Name of SMB client to run." | |
| 70 | :group 'tramp | |
| 71 | :type 'string) | |
| 72 | ||
| 340b8d4f | 73 | (defconst tramp-smb-prompt "^smb: .+> \\|^\\s-+Server\\s-+Comment$" |
| 4007ba5b KG |
74 | "Regexp used as prompt in smbclient.") |
| 75 | ||
| 76 | (defconst tramp-smb-errors | |
| 77 | (mapconcat | |
| 78 | 'identity | |
| 79 | '(; Connection error | |
| 80 | "Connection to \\S-+ failed" | |
| 81 | ; Samba | |
| 4007ba5b | 82 | "ERRDOS" |
| 5ec2cc41 | 83 | "ERRSRV" |
| 4007ba5b KG |
84 | "ERRbadfile" |
| 85 | "ERRbadpw" | |
| 86 | "ERRfilexists" | |
| 87 | "ERRnoaccess" | |
| 88 | "ERRnomem" | |
| 89 | "ERRnosuchshare" | |
| 90 | ; Windows NT 4.0, Windows 5.0 (Windows 2000), Windows 5.1 (Windows XP) | |
| 91 | "NT_STATUS_ACCESS_DENIED" | |
| 5ec2cc41 | 92 | "NT_STATUS_ACCOUNT_LOCKED_OUT" |
| 4007ba5b KG |
93 | "NT_STATUS_BAD_NETWORK_NAME" |
| 94 | "NT_STATUS_CANNOT_DELETE" | |
| 95 | "NT_STATUS_LOGON_FAILURE" | |
| 5ec2cc41 | 96 | "NT_STATUS_NETWORK_ACCESS_DENIED" |
| 4007ba5b KG |
97 | "NT_STATUS_NO_SUCH_FILE" |
| 98 | "NT_STATUS_OBJECT_NAME_INVALID" | |
| 99 | "NT_STATUS_OBJECT_NAME_NOT_FOUND" | |
| 5ec2cc41 KG |
100 | "NT_STATUS_SHARING_VIOLATION" |
| 101 | "NT_STATUS_WRONG_PASSWORD") | |
| 4007ba5b KG |
102 | "\\|") |
| 103 | "Regexp for possible error strings of SMB servers. | |
| 104 | Used instead of analyzing error codes of commands.") | |
| 105 | ||
| 106 | (defvar tramp-smb-share nil | |
| 107 | "Holds the share name for the current buffer. | |
| 108 | This variable is local to each buffer.") | |
| 109 | (make-variable-buffer-local 'tramp-smb-share) | |
| 110 | ||
| 111 | (defvar tramp-smb-share-cache nil | |
| 112 | "Caches the share names accessible to host related to the current buffer. | |
| 113 | This variable is local to each buffer.") | |
| 114 | (make-variable-buffer-local 'tramp-smb-share-cache) | |
| 115 | ||
| 8daea7fc KG |
116 | (defvar tramp-smb-inodes nil |
| 117 | "Keeps virtual inodes numbers for SMB files.") | |
| 118 | ||
| 4007ba5b KG |
119 | ;; New handlers should be added here. |
| 120 | (defconst tramp-smb-file-name-handler-alist | |
| 121 | '( | |
| 122 | ;; `access-file' performed by default handler | |
| 123 | (add-name-to-file . tramp-smb-handle-copy-file) ;; we're on Windows, honey. | |
| 124 | ;; `byte-compiler-base-file-name' performed by default handler | |
| 125 | (copy-file . tramp-smb-handle-copy-file) | |
| 126 | (delete-directory . tramp-smb-handle-delete-directory) | |
| 127 | (delete-file . tramp-smb-handle-delete-file) | |
| 128 | ;; `diff-latest-backup-file' performed by default handler | |
| 8daea7fc | 129 | (directory-file-name . tramp-handle-directory-file-name) |
| 4007ba5b KG |
130 | (directory-files . tramp-smb-handle-directory-files) |
| 131 | (directory-files-and-attributes . tramp-smb-handle-directory-files-and-attributes) | |
| 132 | (dired-call-process . tramp-smb-not-handled) | |
| 133 | (dired-compress-file . tramp-smb-not-handled) | |
| 134 | ;; `dired-uncache' performed by default handler | |
| 135 | ;; `expand-file-name' not necessary because we cannot expand "~/" | |
| 136 | (file-accessible-directory-p . tramp-smb-handle-file-directory-p) | |
| 137 | (file-attributes . tramp-smb-handle-file-attributes) | |
| 138 | (file-directory-p . tramp-smb-handle-file-directory-p) | |
| 139 | (file-executable-p . tramp-smb-handle-file-exists-p) | |
| 140 | (file-exists-p . tramp-smb-handle-file-exists-p) | |
| 141 | (file-local-copy . tramp-smb-handle-file-local-copy) | |
| 19a87064 | 142 | (file-remote-p . tramp-handle-file-remote-p) |
| 4007ba5b KG |
143 | (file-modes . tramp-handle-file-modes) |
| 144 | (file-name-all-completions . tramp-smb-handle-file-name-all-completions) | |
| 145 | ;; `file-name-as-directory' performed by default handler | |
| 146 | (file-name-completion . tramp-handle-file-name-completion) | |
| 147 | (file-name-directory . tramp-handle-file-name-directory) | |
| 148 | (file-name-nondirectory . tramp-handle-file-name-nondirectory) | |
| 149 | ;; `file-name-sans-versions' performed by default handler | |
| 150 | (file-newer-than-file-p . tramp-smb-handle-file-newer-than-file-p) | |
| 151 | (file-ownership-preserved-p . tramp-smb-not-handled) | |
| 152 | (file-readable-p . tramp-smb-handle-file-exists-p) | |
| 153 | (file-regular-p . tramp-handle-file-regular-p) | |
| 154 | (file-symlink-p . tramp-smb-not-handled) | |
| 155 | ;; `file-truename' performed by default handler | |
| 156 | (file-writable-p . tramp-smb-handle-file-writable-p) | |
| 38c65fca | 157 | (find-backup-file-name . tramp-handle-find-backup-file-name) |
| 4007ba5b KG |
158 | ;; `find-file-noselect' performed by default handler |
| 159 | ;; `get-file-buffer' performed by default handler | |
| 160 | (insert-directory . tramp-smb-handle-insert-directory) | |
| 161 | (insert-file-contents . tramp-handle-insert-file-contents) | |
| 162 | (load . tramp-handle-load) | |
| 163 | (make-directory . tramp-smb-handle-make-directory) | |
| 164 | (make-directory-internal . tramp-smb-handle-make-directory-internal) | |
| 165 | (make-symbolic-link . tramp-smb-not-handled) | |
| 166 | (rename-file . tramp-smb-handle-rename-file) | |
| 167 | (set-file-modes . tramp-smb-not-handled) | |
| 168 | (set-visited-file-modtime . tramp-smb-not-handled) | |
| 169 | (shell-command . tramp-smb-not-handled) | |
| 01917a18 | 170 | (substitute-in-file-name . tramp-smb-handle-substitute-in-file-name) |
| 4007ba5b KG |
171 | (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory) |
| 172 | (vc-registered . tramp-smb-not-handled) | |
| 173 | (verify-visited-file-modtime . tramp-smb-not-handled) | |
| 174 | (write-region . tramp-smb-handle-write-region) | |
| 175 | ) | |
| 176 | "Alist of handler functions for Tramp SMB method. | |
| 177 | Operations not mentioned here will be handled by the default Emacs primitives.") | |
| 178 | ||
| 179 | (defun tramp-smb-file-name-p (filename) | |
| 180 | "Check if it's a filename for SMB servers." | |
| 181 | (let ((v (tramp-dissect-file-name filename))) | |
| 182 | (string= | |
| 183 | (tramp-find-method | |
| 184 | (tramp-file-name-multi-method v) | |
| 185 | (tramp-file-name-method v) | |
| 186 | (tramp-file-name-user v) | |
| 187 | (tramp-file-name-host v)) | |
| 188 | tramp-smb-method))) | |
| 189 | ||
| 190 | (defun tramp-smb-file-name-handler (operation &rest args) | |
| 191 | "Invoke the SMB related OPERATION. | |
| 192 | First arg specifies the OPERATION, second arg is a list of arguments to | |
| 193 | pass to the OPERATION." | |
| 194 | (let ((fn (assoc operation tramp-smb-file-name-handler-alist))) | |
| 195 | (if fn | |
| 196 | (if (eq (cdr fn) 'tramp-smb-not-handled) | |
| 197 | (apply (cdr fn) operation args) | |
| 198 | (save-match-data (apply (cdr fn) args))) | |
| 199 | (tramp-run-real-handler operation args)))) | |
| 200 | ||
| 201 | (add-to-list 'tramp-foreign-file-name-handler-alist | |
| 202 | (cons 'tramp-smb-file-name-p 'tramp-smb-file-name-handler)) | |
| 203 | ||
| 204 | ||
| 205 | ;; File name primitives | |
| 206 | ||
| 207 | (defun tramp-smb-not-handled (operation &rest args) | |
| 208 | "Default handler for all functions which are disrecarded." | |
| 209 | (tramp-message 10 "Won't be handled: %s %s" operation args) | |
| 210 | nil) | |
| 211 | ||
| 212 | (defun tramp-smb-handle-copy-file | |
| 213 | (filename newname &optional ok-if-already-exists keep-date) | |
| 214 | "Like `copy-file' for tramp files. | |
| 215 | KEEP-DATE is not handled in case NEWNAME resides on an SMB server." | |
| 216 | (setq filename (expand-file-name filename) | |
| 217 | newname (expand-file-name newname)) | |
| 218 | ||
| 219 | (let ((tmpfile (file-local-copy filename))) | |
| 220 | ||
| 221 | (if tmpfile | |
| 222 | ;; remote filename | |
| 223 | (rename-file tmpfile newname ok-if-already-exists) | |
| 224 | ||
| 225 | ;; remote newname | |
| 226 | (when (file-directory-p newname) | |
| 227 | (setq newname (expand-file-name | |
| 228 | (file-name-nondirectory filename) newname))) | |
| 229 | (when (and (not ok-if-already-exists) | |
| 230 | (file-exists-p newname)) | |
| 231 | (error "copy-file: file %s already exists" newname)) | |
| 232 | ||
| 340b8d4f | 233 | (with-parsed-tramp-file-name newname nil |
| 4007ba5b | 234 | (save-excursion |
| 7432277c KG |
235 | (let ((share (tramp-smb-get-share localname)) |
| 236 | (file (tramp-smb-get-localname localname t))) | |
| 4007ba5b KG |
237 | (unless share |
| 238 | (error "Target `%s' must contain a share name" filename)) | |
| 239 | (tramp-smb-maybe-open-connection user host share) | |
| 240 | (tramp-message-for-buffer | |
| 241 | nil tramp-smb-method user host | |
| 242 | 5 "Copying file %s to file %s..." filename newname) | |
| 243 | (if (tramp-smb-send-command | |
| 244 | user host (format "put %s \"%s\"" filename file)) | |
| 245 | (tramp-message-for-buffer | |
| 246 | nil tramp-smb-method user host | |
| 247 | 5 "Copying file %s to file %s...done" filename newname) | |
| 248 | (error "Cannot copy `%s'" filename)))))))) | |
| 249 | ||
| 250 | (defun tramp-smb-handle-delete-directory (directory) | |
| 251 | "Like `delete-directory' for tramp files." | |
| 252 | (setq directory (directory-file-name (expand-file-name directory))) | |
| 340b8d4f MA |
253 | (when (file-exists-p directory) |
| 254 | (with-parsed-tramp-file-name directory nil | |
| 255 | (save-excursion | |
| 256 | (let ((share (tramp-smb-get-share localname)) | |
| 257 | (dir (tramp-smb-get-localname (file-name-directory localname) t)) | |
| 258 | (file (file-name-nondirectory localname))) | |
| 259 | (tramp-smb-maybe-open-connection user host share) | |
| 260 | (if (and | |
| 261 | (tramp-smb-send-command user host (format "cd \"%s\"" dir)) | |
| 262 | (tramp-smb-send-command user host (format "rmdir \"%s\"" file))) | |
| 263 | ;; Go Home | |
| 264 | (tramp-smb-send-command user host (format "cd \\")) | |
| 265 | ;; Error | |
| 4007ba5b | 266 | (tramp-smb-send-command user host (format "cd \\")) |
| 340b8d4f | 267 | (error "Cannot delete directory `%s'" directory))))))) |
| 4007ba5b KG |
268 | |
| 269 | (defun tramp-smb-handle-delete-file (filename) | |
| 270 | "Like `delete-file' for tramp files." | |
| 271 | (setq filename (expand-file-name filename)) | |
| 340b8d4f MA |
272 | (when (file-exists-p filename) |
| 273 | (with-parsed-tramp-file-name filename nil | |
| 274 | (save-excursion | |
| 275 | (let ((share (tramp-smb-get-share localname)) | |
| 276 | (dir (tramp-smb-get-localname (file-name-directory localname) t)) | |
| 277 | (file (file-name-nondirectory localname))) | |
| 278 | (tramp-smb-maybe-open-connection user host share) | |
| 279 | (if (and | |
| 280 | (tramp-smb-send-command user host (format "cd \"%s\"" dir)) | |
| 281 | (tramp-smb-send-command user host (format "rm \"%s\"" file))) | |
| 282 | ;; Go Home | |
| 283 | (tramp-smb-send-command user host (format "cd \\")) | |
| 284 | ;; Error | |
| 4007ba5b | 285 | (tramp-smb-send-command user host (format "cd \\")) |
| 340b8d4f | 286 | (error "Cannot delete file `%s'" filename))))))) |
| 4007ba5b KG |
287 | |
| 288 | (defun tramp-smb-handle-directory-files | |
| 289 | (directory &optional full match nosort) | |
| 290 | "Like `directory-files' for tramp files." | |
| 291 | (setq directory (directory-file-name (expand-file-name directory))) | |
| 340b8d4f | 292 | (with-parsed-tramp-file-name directory nil |
| 4007ba5b | 293 | (save-excursion |
| 7432277c KG |
294 | (let* ((share (tramp-smb-get-share localname)) |
| 295 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
296 | (entries (tramp-smb-get-file-entries user host share file))) |
| 297 | ;; Just the file names are needed | |
| 298 | (setq entries (mapcar 'car entries)) | |
| 299 | ;; Discriminate with regexp | |
| 300 | (when match | |
| 301 | (setq entries | |
| 302 | (delete nil | |
| 303 | (mapcar (lambda (x) (when (string-match match x) x)) | |
| 304 | entries)))) | |
| 7432277c | 305 | ;; Make absolute localnames if necessary |
| 4007ba5b KG |
306 | (when full |
| 307 | (setq entries | |
| 308 | (mapcar (lambda (x) | |
| 309 | (concat (file-name-as-directory directory) x)) | |
| 310 | entries))) | |
| 311 | ;; Sort them if necessary | |
| 312 | (unless nosort (setq entries (sort entries 'string-lessp))) | |
| 313 | ;; That's it | |
| 314 | entries)))) | |
| 315 | ||
| 316 | (defun tramp-smb-handle-directory-files-and-attributes | |
| c951aecb | 317 | (directory &optional full match nosort id-format) |
| 4007ba5b KG |
318 | "Like `directory-files-and-attributes' for tramp files." |
| 319 | (mapcar | |
| 320 | (lambda (x) | |
| c951aecb | 321 | ;; We cannot call `file-attributes' for backward compatibility reasons. |
| 340b8d4f | 322 | ;; Its optional parameter ID-FORMAT is introduced with Emacs 22. |
| c951aecb KG |
323 | (cons x (tramp-smb-handle-file-attributes |
| 324 | (if full x (concat (file-name-as-directory directory) x)) id-format))) | |
| 4007ba5b | 325 | (directory-files directory full match nosort))) |
| bf247b6e | 326 | |
| c951aecb KG |
327 | (defun tramp-smb-handle-file-attributes (filename &optional id-format) |
| 328 | "Like `file-attributes' for tramp files." | |
| 340b8d4f | 329 | (with-parsed-tramp-file-name filename nil |
| 4007ba5b | 330 | (save-excursion |
| 7432277c KG |
331 | (let* ((share (tramp-smb-get-share localname)) |
| 332 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
333 | (entries (tramp-smb-get-file-entries user host share file)) |
| 334 | (entry (and entries | |
| 8daea7fc | 335 | (assoc (file-name-nondirectory file) entries))) |
| c951aecb KG |
336 | (uid (if (and id-format (equal id-format 'string)) "nobody" -1)) |
| 337 | (gid (if (and id-format (equal id-format 'string)) "nogroup" -1)) | |
| 8daea7fc KG |
338 | (inode (tramp-smb-get-inode share file)) |
| 339 | (device (tramp-get-device nil tramp-smb-method user host))) | |
| 340 | ||
| 4007ba5b KG |
341 | ; check result |
| 342 | (when entry | |
| 343 | (list (and (string-match "d" (nth 1 entry)) | |
| 344 | t) ;0 file type | |
| 345 | -1 ;1 link count | |
| c951aecb KG |
346 | uid ;2 uid |
| 347 | gid ;3 gid | |
| 8daea7fc | 348 | '(0 0) ;4 atime |
| 4007ba5b | 349 | (nth 3 entry) ;5 mtime |
| 8daea7fc | 350 | '(0 0) ;6 ctime |
| 4007ba5b KG |
351 | (nth 2 entry) ;7 size |
| 352 | (nth 1 entry) ;8 mode | |
| 353 | nil ;9 gid weird | |
| 8daea7fc KG |
354 | inode ;10 inode number |
| 355 | device)))))) ;11 file system number | |
| 4007ba5b KG |
356 | |
| 357 | (defun tramp-smb-handle-file-directory-p (filename) | |
| 358 | "Like `file-directory-p' for tramp files." | |
| 340b8d4f | 359 | (with-parsed-tramp-file-name filename nil |
| 4007ba5b | 360 | (save-excursion |
| 7432277c KG |
361 | (let* ((share (tramp-smb-get-share localname)) |
| 362 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
363 | (entries (tramp-smb-get-file-entries user host share file)) |
| 364 | (entry (and entries | |
| 365 | (assoc (file-name-nondirectory file) entries)))) | |
| 366 | (and entry | |
| 367 | (string-match "d" (nth 1 entry)) | |
| 368 | t))))) | |
| 369 | ||
| 370 | (defun tramp-smb-handle-file-exists-p (filename) | |
| 371 | "Like `file-exists-p' for tramp files." | |
| 340b8d4f | 372 | (with-parsed-tramp-file-name filename nil |
| 4007ba5b | 373 | (save-excursion |
| 7432277c KG |
374 | (let* ((share (tramp-smb-get-share localname)) |
| 375 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
376 | (entries (tramp-smb-get-file-entries user host share file))) |
| 377 | (and entries | |
| 378 | (member (file-name-nondirectory file) (mapcar 'car entries)) | |
| 379 | t))))) | |
| 380 | ||
| 381 | (defun tramp-smb-handle-file-local-copy (filename) | |
| 382 | "Like `file-local-copy' for tramp files." | |
| 383 | (with-parsed-tramp-file-name filename nil | |
| 384 | (save-excursion | |
| 7432277c KG |
385 | (let ((share (tramp-smb-get-share localname)) |
| 386 | (file (tramp-smb-get-localname localname t)) | |
| 4007ba5b KG |
387 | (tmpfil (tramp-make-temp-file))) |
| 388 | (unless (file-exists-p filename) | |
| 389 | (error "Cannot make local copy of non-existing file `%s'" filename)) | |
| 390 | (tramp-message-for-buffer | |
| 391 | nil tramp-smb-method user host | |
| 392 | 5 "Fetching %s to tmp file %s..." filename tmpfil) | |
| 393 | (tramp-smb-maybe-open-connection user host share) | |
| 394 | (if (tramp-smb-send-command | |
| 395 | user host (format "get \"%s\" %s" file tmpfil)) | |
| 396 | (tramp-message-for-buffer | |
| 397 | nil tramp-smb-method user host | |
| 398 | 5 "Fetching %s to tmp file %s...done" filename tmpfil) | |
| 399 | (error "Cannot make local copy of file `%s'" filename)) | |
| 400 | tmpfil)))) | |
| 401 | ||
| 402 | ;; This function should return "foo/" for directories and "bar" for | |
| 403 | ;; files. | |
| 404 | (defun tramp-smb-handle-file-name-all-completions (filename directory) | |
| 405 | "Like `file-name-all-completions' for tramp files." | |
| 340b8d4f | 406 | (with-parsed-tramp-file-name directory nil |
| 4007ba5b KG |
407 | (save-match-data |
| 408 | (save-excursion | |
| 7432277c KG |
409 | (let* ((share (tramp-smb-get-share localname)) |
| 410 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
411 | (entries (tramp-smb-get-file-entries user host share file))) |
| 412 | ||
| 413 | (all-completions | |
| 414 | filename | |
| 415 | (mapcar | |
| 416 | (lambda (x) | |
| 417 | (list | |
| 418 | (if (string-match "d" (nth 1 x)) | |
| 419 | (file-name-as-directory (nth 0 x)) | |
| 420 | (nth 0 x)))) | |
| 421 | entries))))))) | |
| 422 | ||
| 423 | (defun tramp-smb-handle-file-newer-than-file-p (file1 file2) | |
| 424 | "Like `file-newer-than-file-p' for tramp files." | |
| 425 | (cond | |
| 426 | ((not (file-exists-p file1)) nil) | |
| 427 | ((not (file-exists-p file2)) t) | |
| 428 | (t (tramp-smb-time-less-p (file-attributes file2) | |
| 429 | (file-attributes file1))))) | |
| 430 | ||
| 431 | (defun tramp-smb-handle-file-writable-p (filename) | |
| 432 | "Like `file-writable-p' for tramp files." | |
| 5ec2cc41 KG |
433 | (if (not (file-exists-p filename)) |
| 434 | (let ((dir (file-name-directory filename))) | |
| 435 | (and (file-exists-p dir) | |
| 436 | (file-writable-p dir))) | |
| 340b8d4f | 437 | (with-parsed-tramp-file-name filename nil |
| 5ec2cc41 KG |
438 | (save-excursion |
| 439 | (let* ((share (tramp-smb-get-share localname)) | |
| 440 | (file (tramp-smb-get-localname localname nil)) | |
| 441 | (entries (tramp-smb-get-file-entries user host share file)) | |
| 442 | (entry (and entries | |
| 443 | (assoc (file-name-nondirectory file) entries)))) | |
| 444 | (and share entry | |
| 445 | (string-match "w" (nth 1 entry)) | |
| 446 | t)))))) | |
| 4007ba5b KG |
447 | |
| 448 | (defun tramp-smb-handle-insert-directory | |
| 449 | (filename switches &optional wildcard full-directory-p) | |
| 450 | "Like `insert-directory' for tramp files. | |
| 451 | WILDCARD and FULL-DIRECTORY-P are not handled." | |
| 452 | (setq filename (expand-file-name filename)) | |
| 453 | (when (file-directory-p filename) | |
| 454 | ;; This check is a little bit strange, but in `dired-add-entry' | |
| 455 | ;; this function is called with a non-directory ... | |
| 456 | (setq filename (file-name-as-directory filename))) | |
| 340b8d4f | 457 | (with-parsed-tramp-file-name filename nil |
| 4007ba5b | 458 | (save-match-data |
| 7432277c KG |
459 | (let* ((share (tramp-smb-get-share localname)) |
| 460 | (file (tramp-smb-get-localname localname nil)) | |
| 4007ba5b KG |
461 | (entries (tramp-smb-get-file-entries user host share file))) |
| 462 | ||
| 463 | ;; Delete dummy "" entry, useless entries | |
| bf247b6e | 464 | (setq entries |
| 4007ba5b KG |
465 | (if (file-directory-p filename) |
| 466 | (delq (assoc "" entries) entries) | |
| 467 | ;; We just need the only and only entry FILENAME. | |
| 468 | (list (assoc (file-name-nondirectory filename) entries)))) | |
| 469 | ||
| 470 | ;; Sort entries | |
| 471 | (setq entries | |
| 472 | (sort | |
| 473 | entries | |
| 474 | (lambda (x y) | |
| 475 | (if (string-match "t" switches) | |
| 476 | ; sort by date | |
| 477 | (tramp-smb-time-less-p (nth 3 y) (nth 3 x)) | |
| 478 | ; sort by name | |
| 479 | (string-lessp (nth 0 x) (nth 0 y)))))) | |
| 480 | ||
| 481 | ;; Print entries | |
| 482 | (mapcar | |
| 483 | (lambda (x) | |
| 484 | (insert | |
| 485 | (format | |
| 486 | "%10s %3d %-8s %-8s %8s %s %s\n" | |
| 487 | (nth 1 x) ; mode | |
| 488 | 1 "nobody" "nogroup" | |
| 489 | (nth 2 x) ; size | |
| 490 | (format-time-string | |
| 491 | (if (tramp-smb-time-less-p | |
| 492 | (tramp-smb-time-subtract (current-time) (nth 3 x)) | |
| 493 | tramp-smb-half-a-year) | |
| 494 | "%b %e %R" | |
| 495 | "%b %e %Y") | |
| 496 | (nth 3 x)) ; date | |
| 497 | (nth 0 x))) ; file name | |
| 498 | (forward-line) | |
| 499 | (beginning-of-line)) | |
| 500 | entries))))) | |
| 501 | ||
| 502 | (defun tramp-smb-handle-make-directory (dir &optional parents) | |
| 503 | "Like `make-directory' for tramp files." | |
| 504 | (setq dir (directory-file-name (expand-file-name dir))) | |
| 505 | (unless (file-name-absolute-p dir) | |
| 506 | (setq dir (concat default-directory dir))) | |
| 340b8d4f | 507 | (with-parsed-tramp-file-name dir nil |
| 4007ba5b | 508 | (save-match-data |
| 7432277c | 509 | (let* ((share (tramp-smb-get-share localname)) |
| 4007ba5b KG |
510 | (ldir (file-name-directory dir))) |
| 511 | ;; Make missing directory parts | |
| 512 | (when (and parents share (not (file-directory-p ldir))) | |
| 513 | (make-directory ldir parents)) | |
| 514 | ;; Just do it | |
| 515 | (when (file-directory-p ldir) | |
| 8daea7fc | 516 | (make-directory-internal dir)) |
| 4007ba5b KG |
517 | (unless (file-directory-p dir) |
| 518 | (error "Couldn't make directory %s" dir)))))) | |
| 519 | ||
| 520 | (defun tramp-smb-handle-make-directory-internal (directory) | |
| 521 | "Like `make-directory-internal' for tramp files." | |
| 522 | (setq directory (directory-file-name (expand-file-name directory))) | |
| 523 | (unless (file-name-absolute-p directory) | |
| c951aecb | 524 | (setq directory (concat default-directory directory))) |
| 340b8d4f | 525 | (with-parsed-tramp-file-name directory nil |
| 4007ba5b | 526 | (save-match-data |
| 7432277c KG |
527 | (let* ((share (tramp-smb-get-share localname)) |
| 528 | (file (tramp-smb-get-localname localname nil))) | |
| 4007ba5b KG |
529 | (when (file-directory-p (file-name-directory directory)) |
| 530 | (tramp-smb-maybe-open-connection user host share) | |
| 531 | (tramp-smb-send-command user host (format "mkdir \"%s\"" file))) | |
| 532 | (unless (file-directory-p directory) | |
| 533 | (error "Couldn't make directory %s" directory)))))) | |
| 534 | ||
| 535 | (defun tramp-smb-handle-rename-file | |
| 536 | (filename newname &optional ok-if-already-exists) | |
| 537 | "Like `rename-file' for tramp files." | |
| 538 | (setq filename (expand-file-name filename) | |
| 539 | newname (expand-file-name newname)) | |
| 540 | ||
| 541 | (let ((tmpfile (file-local-copy filename))) | |
| 542 | ||
| 543 | (if tmpfile | |
| 544 | ;; remote filename | |
| 545 | (rename-file tmpfile newname ok-if-already-exists) | |
| 546 | ||
| 547 | ;; remote newname | |
| 548 | (when (file-directory-p newname) | |
| 549 | (setq newname (expand-file-name | |
| 550 | (file-name-nondirectory filename) newname))) | |
| 551 | (when (and (not ok-if-already-exists) | |
| 552 | (file-exists-p newname)) | |
| 553 | (error "rename-file: file %s already exists" newname)) | |
| 554 | ||
| 340b8d4f | 555 | (with-parsed-tramp-file-name newname nil |
| 4007ba5b | 556 | (save-excursion |
| 7432277c KG |
557 | (let ((share (tramp-smb-get-share localname)) |
| 558 | (file (tramp-smb-get-localname localname t))) | |
| 4007ba5b KG |
559 | (tramp-smb-maybe-open-connection user host share) |
| 560 | (tramp-message-for-buffer | |
| 561 | nil tramp-smb-method user host | |
| 562 | 5 "Copying file %s to file %s..." filename newname) | |
| 563 | (if (tramp-smb-send-command | |
| 564 | user host (format "put %s \"%s\"" filename file)) | |
| 565 | (tramp-message-for-buffer | |
| 566 | nil tramp-smb-method user host | |
| 567 | 5 "Copying file %s to file %s...done" filename newname) | |
| 568 | (error "Cannot rename `%s'" filename))))))) | |
| 569 | ||
| 570 | (delete-file filename)) | |
| 571 | ||
| 01917a18 MA |
572 | (defun tramp-smb-handle-substitute-in-file-name (filename) |
| 573 | "Like `handle-substitute-in-file-name' for tramp files. | |
| 574 | Catches errors for shares like \"C$/\", which are common in Microsoft Windows." | |
| 575 | (condition-case nil | |
| 576 | (tramp-run-real-handler 'substitute-in-file-name (list filename)) | |
| 577 | (error filename))) | |
| 578 | ||
| 4007ba5b KG |
579 | (defun tramp-smb-handle-write-region |
| 580 | (start end filename &optional append visit lockname confirm) | |
| 581 | "Like `write-region' for tramp files." | |
| 582 | (unless (eq append nil) | |
| 583 | (error "Cannot append to file using tramp (`%s')" filename)) | |
| 584 | (setq filename (expand-file-name filename)) | |
| 585 | ;; XEmacs takes a coding system as the seventh argument, not `confirm' | |
| 586 | (when (and (not (featurep 'xemacs)) | |
| 587 | confirm (file-exists-p filename)) | |
| 588 | (unless (y-or-n-p (format "File %s exists; overwrite anyway? " | |
| 589 | filename)) | |
| 590 | (error "File not overwritten"))) | |
| 340b8d4f | 591 | (with-parsed-tramp-file-name filename nil |
| 4007ba5b | 592 | (save-excursion |
| 7432277c KG |
593 | (let ((share (tramp-smb-get-share localname)) |
| 594 | (file (tramp-smb-get-localname localname t)) | |
| 4007ba5b | 595 | (curbuf (current-buffer)) |
| 4007ba5b KG |
596 | tmpfil) |
| 597 | ;; Write region into a tmp file. | |
| 598 | (setq tmpfil (tramp-make-temp-file)) | |
| 599 | ;; We say `no-message' here because we don't want the visited file | |
| 600 | ;; modtime data to be clobbered from the temp file. We call | |
| 601 | ;; `set-visited-file-modtime' ourselves later on. | |
| 602 | (tramp-run-real-handler | |
| 603 | 'write-region | |
| 604 | (if confirm ; don't pass this arg unless defined for backward compat. | |
| 605 | (list start end tmpfil append 'no-message lockname confirm) | |
| 606 | (list start end tmpfil append 'no-message lockname))) | |
| 4007ba5b KG |
607 | |
| 608 | (tramp-smb-maybe-open-connection user host share) | |
| 609 | (tramp-message-for-buffer | |
| 610 | nil tramp-smb-method user host | |
| 611 | 5 "Writing tmp file %s to file %s..." tmpfil filename) | |
| 612 | (if (tramp-smb-send-command | |
| 613 | user host (format "put %s \"%s\"" tmpfil file)) | |
| 614 | (tramp-message-for-buffer | |
| 615 | nil tramp-smb-method user host | |
| 616 | 5 "Writing tmp file %s to file %s...done" tmpfil filename) | |
| 617 | (error "Cannot write `%s'" filename)) | |
| 618 | ||
| 619 | (delete-file tmpfil) | |
| 620 | (unless (equal curbuf (current-buffer)) | |
| 621 | (error "Buffer has changed from `%s' to `%s'" | |
| 622 | curbuf (current-buffer))) | |
| 623 | (when (eq visit t) | |
| d2a2c17f | 624 | (set-visited-file-modtime)))))) |
| 4007ba5b KG |
625 | |
| 626 | ||
| 627 | ;; Internal file name functions | |
| 628 | ||
| 7432277c KG |
629 | (defun tramp-smb-get-share (localname) |
| 630 | "Returns the share name of LOCALNAME." | |
| 4007ba5b | 631 | (save-match-data |
| 7432277c KG |
632 | (when (string-match "^/?\\([^/]+\\)/" localname) |
| 633 | (match-string 1 localname)))) | |
| 4007ba5b | 634 | |
| 7432277c KG |
635 | (defun tramp-smb-get-localname (localname convert) |
| 636 | "Returns the file name of LOCALNAME. | |
| 4007ba5b KG |
637 | If CONVERT is non-nil exchange \"/\" by \"\\\\\"." |
| 638 | (save-match-data | |
| 7432277c | 639 | (let ((res localname)) |
| 4007ba5b KG |
640 | |
| 641 | (setq | |
| 642 | res (if (string-match "^/?[^/]+/\\(.*\\)" res) | |
| 643 | (if convert | |
| 644 | (mapconcat | |
| 645 | (lambda (x) (if (equal x ?/) "\\" (char-to-string x))) | |
| 646 | (match-string 1 res) "") | |
| 647 | (match-string 1 res)) | |
| 648 | (if (string-match "^/?\\([^/]+\\)$" res) | |
| 649 | (match-string 1 res) | |
| 650 | ""))) | |
| 651 | ||
| 652 | ;; Sometimes we have discarded `substitute-in-file-name' | |
| 653 | (when (string-match "\\(\\$\\$\\)\\(/\\|$\\)" res) | |
| 654 | (setq res (replace-match "$" nil nil res 1))) | |
| 655 | ||
| 656 | res))) | |
| 657 | ||
| 658 | ;; Share names of a host are cached. It is very unlikely that the | |
| 659 | ;; shares do change during connection. | |
| 7432277c KG |
660 | (defun tramp-smb-get-file-entries (user host share localname) |
| 661 | "Read entries which match LOCALNAME. | |
| 4007ba5b | 662 | Either the shares are listed, or the `dir' command is executed. |
| 7432277c KG |
663 | Only entries matching the localname are returned. |
| 664 | Result is a list of (LOCALNAME MODE SIZE MONTH DAY TIME YEAR)." | |
| 4007ba5b KG |
665 | (save-excursion |
| 666 | (save-match-data | |
| 7432277c KG |
667 | (let ((base (or (and (> (length localname) 0) |
| 668 | (string-match "\\([^/]+\\)$" localname) | |
| 669 | (regexp-quote (match-string 1 localname))) | |
| 4007ba5b KG |
670 | "")) |
| 671 | res entry) | |
| 672 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
| 673 | (if (and (not share) tramp-smb-share-cache) | |
| 674 | ;; Return cached shares | |
| 675 | (setq res tramp-smb-share-cache) | |
| 676 | ;; Read entries | |
| 677 | (tramp-smb-maybe-open-connection user host share) | |
| 678 | (when share | |
| 679 | (tramp-smb-send-command | |
| 680 | user host | |
| 681 | (format "dir %s" | |
| 7432277c | 682 | (if (zerop (length localname)) "" (concat "\"" localname "*\""))))) |
| 4007ba5b KG |
683 | (goto-char (point-min)) |
| 684 | ;; Loop the listing | |
| 685 | (unless (re-search-forward tramp-smb-errors nil t) | |
| 686 | (while (not (eobp)) | |
| 687 | (setq entry (tramp-smb-read-file-entry share)) | |
| 688 | (forward-line) | |
| 689 | (when entry (add-to-list 'res entry)))) | |
| 690 | (unless share | |
| 691 | ;; Cache share entries | |
| 692 | (setq tramp-smb-share-cache res))) | |
| 693 | ||
| 4007ba5b | 694 | ;; Add directory itself |
| 5ec2cc41 KG |
695 | (add-to-list 'res '("" "drwxrwxrwx" 0 (0 0))) |
| 696 | ||
| 697 | ;; There's a very strange error (debugged with XEmacs 21.4.14) | |
| 698 | ;; If there's no short delay, it returns nil. No idea about | |
| 699 | (when (featurep 'xemacs) (sleep-for 0.01)) | |
| 4007ba5b KG |
700 | |
| 701 | ;; Check for matching entries | |
| 702 | (delq nil (mapcar | |
| 703 | (lambda (x) (and (string-match base (nth 0 x)) x)) | |
| 704 | res)))))) | |
| 705 | ||
| 706 | ;; Return either a share name (if SHARE is nil), or a file name | |
| 707 | ;; | |
| 708 | ;; If shares are listed, the following format is expected | |
| 709 | ;; | |
| 710 | ;; \s-\{8,8} - leading spaces | |
| 711 | ;; \S-\(.*\S-\)\s-* - share name, 14 char | |
| 712 | ;; \s- - space delimeter | |
| 713 | ;; \S-+\s-* - type, 8 char, "Disk " expected | |
| 714 | ;; \(\s-\{2,2\}.*\)? - space delimeter, comment | |
| 715 | ;; | |
| 716 | ;; Entries provided by smbclient DIR aren't fully regular. | |
| 717 | ;; They should have the format | |
| 718 | ;; | |
| 719 | ;; \s-\{2,2} - leading spaces | |
| b1a2b924 KG |
720 | ;; \S-\(.*\S-\)\s-* - file name, 30 chars, left bound |
| 721 | ;; \s-+[ADHRSV]* - permissions, 7 chars, right bound | |
| 4007ba5b | 722 | ;; \s- - space delimeter |
| b1a2b924 | 723 | ;; \s-+[0-9]+ - size, 8 chars, right bound |
| 4007ba5b KG |
724 | ;; \s-\{2,2\} - space delimeter |
| 725 | ;; \w\{3,3\} - weekday | |
| 726 | ;; \s- - space delimeter | |
| b1a2b924 KG |
727 | ;; \w\{3,3\} - month |
| 728 | ;; \s- - space delimeter | |
| 4007ba5b KG |
729 | ;; [ 19][0-9] - day |
| 730 | ;; \s- - space delimeter | |
| 731 | ;; [0-9]\{2,2\}:[0-9]\{2,2\}:[0-9]\{2,2\} - time | |
| 732 | ;; \s- - space delimeter | |
| 733 | ;; [0-9]\{4,4\} - year | |
| 734 | ;; | |
| b1a2b924 KG |
735 | ;; samba/src/client.c (http://samba.org/doxygen/samba/client_8c-source.html) |
| 736 | ;; has function display_finfo: | |
| 737 | ;; | |
| 738 | ;; d_printf(" %-30s%7.7s %8.0f %s", | |
| 739 | ;; finfo->name, | |
| 740 | ;; attrib_string(finfo->mode), | |
| 741 | ;; (double)finfo->size, | |
| 742 | ;; asctime(LocalTime(&t))); | |
| 743 | ;; | |
| 744 | ;; in Samba 1.9, there's the following code: | |
| 745 | ;; | |
| 746 | ;; DEBUG(0,(" %-30s%7.7s%10d %s", | |
| 747 | ;; CNV_LANG(finfo->name), | |
| 748 | ;; attrib_string(finfo->mode), | |
| 749 | ;; finfo->size, | |
| 750 | ;; asctime(LocalTime(&t)))); | |
| 751 | ;; | |
| 4007ba5b KG |
752 | ;; Problems: |
| 753 | ;; * Modern regexp constructs, like spy groups and counted repetitions, aren't | |
| 754 | ;; available in older Emacsen. | |
| 755 | ;; * The length of constructs (file name, size) might exceed the default. | |
| 756 | ;; * File names might contain spaces. | |
| 757 | ;; * Permissions might be empty. | |
| 758 | ;; | |
| 759 | ;; So we try to analyze backwards. | |
| 760 | (defun tramp-smb-read-file-entry (share) | |
| 761 | "Parse entry in SMB output buffer. | |
| 762 | If SHARE is result, entries are of type dir. Otherwise, shares are listed. | |
| 7432277c | 763 | Result is the list (LOCALNAME MODE SIZE MTIME)." |
| 4007ba5b | 764 | (let ((line (buffer-substring (point) (tramp-point-at-eol))) |
| 7432277c | 765 | localname mode size month day hour min sec year mtime) |
| 4007ba5b KG |
766 | |
| 767 | (if (not share) | |
| 768 | ||
| 769 | ; Read share entries | |
| 770 | (when (string-match "^\\s-+\\(\\S-+\\)\\s-+Disk" line) | |
| 7432277c | 771 | (setq localname (match-string 1 line) |
| 4007ba5b KG |
772 | mode "dr-xr-xr-x" |
| 773 | size 0)) | |
| 774 | ||
| 775 | ; Real listing | |
| 776 | (block nil | |
| 777 | ||
| 778 | ;; year | |
| 779 | (if (string-match "\\([0-9]+\\)$" line) | |
| 780 | (setq year (string-to-number (match-string 1 line)) | |
| 781 | line (substring line 0 -5)) | |
| 782 | (return)) | |
| 783 | ||
| 784 | ;; time | |
| 785 | (if (string-match "\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)$" line) | |
| 786 | (setq hour (string-to-number (match-string 1 line)) | |
| 787 | min (string-to-number (match-string 2 line)) | |
| 788 | sec (string-to-number (match-string 3 line)) | |
| 789 | line (substring line 0 -9)) | |
| 790 | (return)) | |
| 791 | ||
| 792 | ;; day | |
| 793 | (if (string-match "\\([0-9]+\\)$" line) | |
| 794 | (setq day (string-to-number (match-string 1 line)) | |
| 795 | line (substring line 0 -3)) | |
| 796 | (return)) | |
| 797 | ||
| 798 | ;; month | |
| 799 | (if (string-match "\\(\\w+\\)$" line) | |
| 800 | (setq month (match-string 1 line) | |
| 801 | line (substring line 0 -4)) | |
| 802 | (return)) | |
| 803 | ||
| 804 | ;; weekday | |
| 805 | (if (string-match "\\(\\w+\\)$" line) | |
| 806 | (setq line (substring line 0 -5)) | |
| 807 | (return)) | |
| 808 | ||
| 809 | ;; size | |
| 810 | (if (string-match "\\([0-9]+\\)$" line) | |
| b1a2b924 KG |
811 | (let ((length (- (max 10 (1+ (length (match-string 1 line))))))) |
| 812 | (setq size (string-to-number (match-string 1 line))) | |
| 813 | (when (string-match "\\([ADHRSV]+\\)" (substring line length)) | |
| 814 | (setq length (+ length (match-end 0)))) | |
| 815 | (setq line (substring line 0 length))) | |
| 4007ba5b KG |
816 | (return)) |
| 817 | ||
| b1a2b924 KG |
818 | ;; mode: ARCH, DIR, HIDDEN, RONLY, SYSTEM, VOLID |
| 819 | (if (string-match "\\([ADHRSV]+\\)?$" line) | |
| 4007ba5b | 820 | (setq |
| b1a2b924 | 821 | mode (or (match-string 1 line) "") |
| 4007ba5b KG |
822 | mode (save-match-data (format |
| 823 | "%s%s" | |
| 824 | (if (string-match "D" mode) "d" "-") | |
| 825 | (mapconcat | |
| 826 | (lambda (x) "") " " | |
| 827 | (concat "r" (if (string-match "R" mode) "-" "w") "x")))) | |
| b1a2b924 | 828 | line (substring line 0 -7)) |
| 4007ba5b KG |
829 | (return)) |
| 830 | ||
| 7432277c | 831 | ;; localname |
| b1a2b924 | 832 | (if (string-match "^\\s-+\\(\\S-\\(.*\\S-\\)?\\)\\s-*$" line) |
| 7432277c | 833 | (setq localname (match-string 1 line)) |
| 4007ba5b KG |
834 | (return)))) |
| 835 | ||
| 7432277c | 836 | (when (and localname mode size) |
| 4007ba5b KG |
837 | (setq mtime |
| 838 | (if (and sec min hour day month year) | |
| 839 | (encode-time | |
| 840 | sec min hour day | |
| 841 | (cdr (assoc (downcase month) tramp-smb-parse-time-months)) | |
| 842 | year) | |
| 843 | '(0 0))) | |
| 7432277c | 844 | (list localname mode size mtime)))) |
| 4007ba5b | 845 | |
| 8daea7fc KG |
846 | ;; Inodes don't exist for SMB files. Therefore we must generate virtual ones. |
| 847 | ;; Used in `find-buffer-visiting'. | |
| 848 | ;; The method applied might be not so efficient (Ange-FTP uses hashes). But | |
| 849 | ;; performance isn't the major issue given that file transfer will take time. | |
| 850 | ||
| 851 | (defun tramp-smb-get-inode (share file) | |
| 852 | "Returns the virtual inode number. | |
| 853 | If it doesn't exist, generate a new one." | |
| 854 | (let ((string (concat share "/" (directory-file-name file)))) | |
| 855 | (unless (assoc string tramp-smb-inodes) | |
| 856 | (add-to-list 'tramp-smb-inodes | |
| 857 | (list string (length tramp-smb-inodes)))) | |
| 858 | (nth 1 (assoc string tramp-smb-inodes)))) | |
| 859 | ||
| 4007ba5b KG |
860 | |
| 861 | ;; Connection functions | |
| 862 | ||
| 863 | (defun tramp-smb-send-command (user host command) | |
| 864 | "Send the COMMAND to USER at HOST (logged into an SMB session). | |
| 865 | Erases temporary buffer before sending the command. Returns nil if | |
| 866 | there has been an error message from smbclient." | |
| 867 | (save-excursion | |
| 868 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
| 869 | (erase-buffer) | |
| 870 | (tramp-send-command nil tramp-smb-method user host command nil t) | |
| 871 | (tramp-smb-wait-for-output user host))) | |
| 872 | ||
| 873 | (defun tramp-smb-maybe-open-connection (user host share) | |
| 874 | "Maybe open a connection to HOST, logging in as USER, using `tramp-smb-program'. | |
| 875 | Does not do anything if a connection is already open, but re-opens the | |
| 876 | connection if a previous connection has died for some reason." | |
| 5ec2cc41 KG |
877 | (let ((process-connection-type tramp-process-connection-type) |
| 878 | (p (get-buffer-process | |
| 4007ba5b KG |
879 | (tramp-get-buffer nil tramp-smb-method user host)))) |
| 880 | (save-excursion | |
| 881 | (set-buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
| 882 | ;; Check whether it is still the same share | |
| 883 | (unless (and p (processp p) (string-equal tramp-smb-share share)) | |
| 884 | (when (and p (processp p)) | |
| 885 | (delete-process p) | |
| 886 | (setq p nil))) | |
| 887 | ;; If too much time has passed since last command was sent, look | |
| 888 | ;; whether process is still alive. If it isn't, kill it. | |
| 889 | (when (and tramp-last-cmd-time | |
| 890 | (> (tramp-time-diff (current-time) tramp-last-cmd-time) 60) | |
| 891 | p (processp p) (memq (process-status p) '(run open))) | |
| 892 | (unless (and p (processp p) (memq (process-status p) '(run open))) | |
| 893 | (delete-process p) | |
| 894 | (setq p nil)))) | |
| 895 | (unless (and p (processp p) (memq (process-status p) '(run open))) | |
| 896 | (when (and p (processp p)) | |
| 897 | (delete-process p)) | |
| 898 | (tramp-smb-open-connection user host share)))) | |
| 899 | ||
| 900 | (defun tramp-smb-open-connection (user host share) | |
| 901 | "Open a connection using `tramp-smb-program'. | |
| 902 | This starts the command `smbclient //HOST/SHARE -U USER', then waits | |
| 903 | for a remote password prompt. It queries the user for the password, | |
| 904 | then sends the password to the remote host. | |
| 905 | ||
| 906 | Domain names in USER and port numbers in HOST are acknowledged." | |
| 907 | ||
| 340b8d4f MA |
908 | (when (and (fboundp 'executable-find) |
| 909 | (not (funcall 'executable-find tramp-smb-program))) | |
| 910 | (error "Cannot find command %s in %s" tramp-smb-program exec-path)) | |
| 911 | ||
| 4007ba5b KG |
912 | (save-match-data |
| 913 | (let* ((buffer (tramp-get-buffer nil tramp-smb-method user host)) | |
| 914 | (real-user user) | |
| 915 | (real-host host) | |
| 916 | domain port args) | |
| 917 | ||
| 918 | ; Check for domain ("user%domain") and port ("host#port") | |
| 919 | (when (and user (string-match "\\(.+\\)%\\(.+\\)" user)) | |
| 920 | (setq real-user (or (match-string 1 user) user) | |
| 921 | domain (match-string 2 user))) | |
| 922 | ||
| 923 | (when (and host (string-match "\\(.+\\)#\\(.+\\)" host)) | |
| 924 | (setq real-host (or (match-string 1 host) host) | |
| 925 | port (match-string 2 host))) | |
| 926 | ||
| 927 | (if share | |
| 928 | (setq args (list (concat "//" real-host "/" share))) | |
| 929 | (setq args (list "-L" real-host ))) | |
| 930 | ||
| 931 | (if real-user | |
| 932 | (setq args (append args (list "-U" real-user))) | |
| 933 | (setq args (append args (list "-N")))) | |
| 934 | ||
| 935 | (when domain (setq args (append args (list "-W" domain)))) | |
| 936 | (when port (setq args (append args (list "-p" port)))) | |
| 937 | ||
| 938 | ; OK, let's go | |
| 430c1c66 | 939 | (tramp-pre-connection nil tramp-smb-method user host tramp-chunksize) |
| 4007ba5b KG |
940 | (tramp-message 7 "Opening connection for //%s@%s/%s..." |
| 941 | user host (or share "")) | |
| 942 | ||
| 943 | (let* ((default-directory (tramp-temporary-file-directory)) | |
| 944 | ;; If we omit the conditional here, then we would use | |
| 945 | ;; `undecided-dos' in some cases. With the conditional, | |
| 946 | ;; we use nil in these cases. Which one is right? | |
| 947 | (coding-system-for-read (unless (and (not (featurep 'xemacs)) | |
| 948 | (> emacs-major-version 20)) | |
| 949 | tramp-dos-coding-system)) | |
| 950 | (p (apply #'start-process (buffer-name buffer) buffer | |
| 951 | tramp-smb-program args))) | |
| 952 | ||
| 953 | (tramp-message 9 "Started process %s" (process-command p)) | |
| 19a87064 | 954 | (tramp-set-process-query-on-exit-flag p nil) |
| 4007ba5b | 955 | (set-buffer buffer) |
| 5ec2cc41 | 956 | (setq tramp-smb-share share) |
| 4007ba5b KG |
957 | |
| 958 | ; send password | |
| 959 | (when real-user | |
| 960 | (let ((pw-prompt "Password:")) | |
| 961 | (tramp-message 9 "Sending password") | |
| 07dfe738 | 962 | (tramp-enter-password p pw-prompt user host))) |
| 4007ba5b KG |
963 | |
| 964 | (unless (tramp-smb-wait-for-output user host) | |
| 5ec2cc41 | 965 | (tramp-clear-passwd user host) |
| 4007ba5b KG |
966 | (error "Cannot open connection //%s@%s/%s" |
| 967 | user host (or share ""))))))) | |
| 968 | ||
| 969 | ;; We don't use timeouts. If needed, the caller shall wrap around. | |
| 970 | (defun tramp-smb-wait-for-output (user host) | |
| 971 | "Wait for output from smbclient command. | |
| 4007ba5b | 972 | Returns nil if an error message has appeared." |
| 5ec2cc41 KG |
973 | (let ((proc (get-buffer-process (current-buffer))) |
| 974 | (found (progn (goto-char (point-min)) | |
| 975 | (re-search-forward tramp-smb-prompt nil t))) | |
| 976 | (err (progn (goto-char (point-min)) | |
| 977 | (re-search-forward tramp-smb-errors nil t)))) | |
| 978 | ||
| 979 | ;; Algorithm: get waiting output. See if last line contains | |
| 980 | ;; tramp-smb-prompt sentinel or tramp-smb-errors strings. | |
| 981 | ;; If not, wait a bit and again get waiting output. | |
| 982 | (while (and (not found) (not err)) | |
| 983 | ||
| 984 | ;; Accept pending output. | |
| d2a2c17f | 985 | (tramp-accept-process-output proc) |
| 5ec2cc41 KG |
986 | |
| 987 | ;; Search for prompt. | |
| 4007ba5b | 988 | (goto-char (point-min)) |
| 5ec2cc41 KG |
989 | (setq found (re-search-forward tramp-smb-prompt nil t)) |
| 990 | ||
| 991 | ;; Search for errors. | |
| 992 | (goto-char (point-min)) | |
| 993 | (setq err (re-search-forward tramp-smb-errors nil t))) | |
| 994 | ||
| 995 | ;; Add output to debug buffer if appropriate. | |
| 996 | (when tramp-debug-buffer | |
| 997 | (append-to-buffer | |
| 998 | (tramp-get-debug-buffer nil tramp-smb-method user host) | |
| 999 | (point-min) (point-max))) | |
| 1000 | ||
| 1001 | ;; Return value is whether no error message has appeared. | |
| 1002 | (not err))) | |
| 4007ba5b KG |
1003 | |
| 1004 | ||
| 1005 | ;; Snarfed code from time-date.el and parse-time.el | |
| 1006 | ||
| 1007 | (defconst tramp-smb-half-a-year '(241 17024) | |
| 1008 | "Evaluated by \"(days-to-time 183)\".") | |
| 1009 | ||
| 1010 | (defconst tramp-smb-parse-time-months '(("jan" . 1) ("feb" . 2) ("mar" . 3) | |
| 1011 | ("apr" . 4) ("may" . 5) ("jun" . 6) | |
| 1012 | ("jul" . 7) ("aug" . 8) ("sep" . 9) | |
| 1013 | ("oct" . 10) ("nov" . 11) ("dec" . 12)) | |
| 1014 | "Alist mapping month names to integers.") | |
| 1015 | ||
| 1016 | (defun tramp-smb-time-less-p (t1 t2) | |
| 1017 | "Say whether time value T1 is less than time value T2." | |
| 1018 | (unless t1 (setq t1 '(0 0))) | |
| 1019 | (unless t2 (setq t2 '(0 0))) | |
| 1020 | (or (< (car t1) (car t2)) | |
| 1021 | (and (= (car t1) (car t2)) | |
| 1022 | (< (nth 1 t1) (nth 1 t2))))) | |
| 1023 | ||
| 1024 | (defun tramp-smb-time-subtract (t1 t2) | |
| 1025 | "Subtract two time values. | |
| 1026 | Return the difference in the format of a time value." | |
| 1027 | (unless t1 (setq t1 '(0 0))) | |
| 1028 | (unless t2 (setq t2 '(0 0))) | |
| 1029 | (let ((borrow (< (cadr t1) (cadr t2)))) | |
| 1030 | (list (- (car t1) (car t2) (if borrow 1 0)) | |
| 1031 | (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2))))) | |
| 1032 | ||
| 1033 | ||
| 4007ba5b KG |
1034 | (provide 'tramp-smb) |
| 1035 | ||
| 1036 | ;;; TODO: | |
| 1037 | ||
| 1038 | ;; * Provide a local smb.conf. The default one might not be readable. | |
| 1039 | ;; * Error handling in case password is wrong. | |
| 1040 | ;; * Read password from "~/.netrc". | |
| 4007ba5b KG |
1041 | ;; * Return more comprehensive file permission string. Think whether it is |
| 1042 | ;; possible to implement `set-file-modes'. | |
| 1043 | ;; * Handle WILDCARD and FULL-DIRECTORY-P in | |
| 1044 | ;; `tramp-smb-handle-insert-directory'. | |
| 1045 | ;; * Handle links (FILENAME.LNK). | |
| 1046 | ;; * Maybe local tmp files should have the same extension like the original | |
| 1047 | ;; files. Strange behaviour with jka-compr otherwise? | |
| 1048 | ;; * Copy files in dired from SMB to another method doesn't work. | |
| 1049 | ;; * Try to remove the inclusion of dummy "" directory. Seems to be at | |
| 1050 | ;; several places, especially in `tramp-smb-handle-insert-directory'. | |
| 1051 | ;; * Provide variables for debug. | |
| 1052 | ;; * (RMS) Use unwind-protect to clean up the state so as to make the state | |
| 1053 | ;; regular again. | |
| 1054 | ||
| ab5796a9 | 1055 | ;;; arch-tag: fcc9dbec-7503-4d73-b638-3c8aa59575f5 |
| 4007ba5b | 1056 | ;;; tramp-smb.el ends here |