tramp-smb.el 41.7 KB
Newer Older
1 2
;;; tramp-smb.el --- Tramp access functions for SMB servers -*- coding: iso-8859-1; -*-

3
;; Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

;; Author: Michael Albinus <Michael.Albinus@alcatel.de>
;; Keywords: comm, processes

;; This file is part of GNU Emacs.

;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING.  If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.

;;; Commentary:

;; Access functions for SMB servers like SAMBA or M$ Windows from Tramp.

;;; Code:

(require 'tramp)

;; Pacify byte-compiler
(eval-when-compile
  (require 'cl)
  (require 'custom)
  ;; Emacs 19.34 compatibility hack -- is this needed?
  (or (>= emacs-major-version 20)
      (load "cl-seq")))

41 42 43 44 45 46 47 48 49 50 51 52 53
;; Avoid byte-compiler warnings if the byte-compiler supports this.
;; Currently, XEmacs supports this.
(eval-when-compile
  (when (fboundp 'byte-compiler-options)
    (let (unused-vars) ; Pacify Emacs byte-compiler
      (defalias 'warnings 'identity) ; Pacify Emacs byte-compiler
      (byte-compiler-options (warnings (- unused-vars))))))

;; XEmacs byte-compiler raises warning abouts `last-coding-system-used'.
(eval-when-compile
  (unless (boundp 'last-coding-system-used)
    (defvar last-coding-system-used nil)))

54 55 56 57 58 59 60 61 62 63 64 65
;; Define SMB method ...
(defcustom tramp-smb-method "smb"
  "*Method to connect SAMBA and M$ SMB servers."
  :group 'tramp
  :type 'string)

;; ... and add it to the method list.
(add-to-list 'tramp-methods (cons tramp-smb-method nil))

;; Add a default for `tramp-default-method-alist'. Rule: If there is
;; a domain in USER, it must be the SMB method.
(add-to-list 'tramp-default-method-alist
66
	     (list "" "%" tramp-smb-method))
67 68 69 70 71 72 73 74 75 76 77

;; Add completion function for SMB method.
(tramp-set-completion-function
 tramp-smb-method
 '((tramp-parse-netrc "~/.netrc")))

(defcustom tramp-smb-program "smbclient"
  "*Name of SMB client to run."
  :group 'tramp
  :type 'string)

78
(defconst tramp-smb-prompt "^smb: \\S-+> \\|^\\s-+Server\\s-+Comment$"
79 80 81 82 83 84 85 86 87
  "Regexp used as prompt in smbclient.")

(defconst tramp-smb-errors
  (mapconcat
   'identity
   '(; Connection error
     "Connection to \\S-+ failed"
     ; Samba
     "ERRDOS"
88
     "ERRSRV"
89 90 91 92 93 94 95 96
     "ERRbadfile"
     "ERRbadpw"
     "ERRfilexists"
     "ERRnoaccess"
     "ERRnomem"
     "ERRnosuchshare"
     ; Windows NT 4.0, Windows 5.0 (Windows 2000), Windows 5.1 (Windows XP)
     "NT_STATUS_ACCESS_DENIED"
97
     "NT_STATUS_ACCOUNT_LOCKED_OUT"
98 99 100
     "NT_STATUS_BAD_NETWORK_NAME"
     "NT_STATUS_CANNOT_DELETE"
     "NT_STATUS_LOGON_FAILURE"
101
     "NT_STATUS_NETWORK_ACCESS_DENIED"
102 103 104
     "NT_STATUS_NO_SUCH_FILE"
     "NT_STATUS_OBJECT_NAME_INVALID"
     "NT_STATUS_OBJECT_NAME_NOT_FOUND"
105 106
     "NT_STATUS_SHARING_VIOLATION"
     "NT_STATUS_WRONG_PASSWORD")
107 108 109 110 111 112 113 114 115 116 117 118 119 120
   "\\|")
  "Regexp for possible error strings of SMB servers.
Used instead of analyzing error codes of commands.")

(defvar tramp-smb-share nil
  "Holds the share name for the current buffer.
This variable is local to each buffer.")
(make-variable-buffer-local 'tramp-smb-share)

(defvar tramp-smb-share-cache nil
  "Caches the share names accessible to host related to the current buffer.
This variable is local to each buffer.")
(make-variable-buffer-local 'tramp-smb-share-cache)

121 122 123
(defvar tramp-smb-inodes nil
  "Keeps virtual inodes numbers for SMB files.")

124 125 126 127 128 129 130 131 132 133
;; New handlers should be added here.
(defconst tramp-smb-file-name-handler-alist
  '(
    ;; `access-file' performed by default handler
    (add-name-to-file . tramp-smb-handle-copy-file) ;; we're on Windows, honey.
    ;; `byte-compiler-base-file-name' performed by default handler
    (copy-file . tramp-smb-handle-copy-file)
    (delete-directory . tramp-smb-handle-delete-directory)
    (delete-file . tramp-smb-handle-delete-file)
    ;; `diff-latest-backup-file' performed by default handler
134
    (directory-file-name . tramp-handle-directory-file-name)
135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160
    (directory-files . tramp-smb-handle-directory-files)
    (directory-files-and-attributes . tramp-smb-handle-directory-files-and-attributes)
    (dired-call-process . tramp-smb-not-handled)
    (dired-compress-file . tramp-smb-not-handled)
    ;; `dired-uncache' performed by default handler
    ;; `expand-file-name' not necessary because we cannot expand "~/"
    (file-accessible-directory-p . tramp-smb-handle-file-directory-p)
    (file-attributes . tramp-smb-handle-file-attributes)
    (file-directory-p .  tramp-smb-handle-file-directory-p)
    (file-executable-p . tramp-smb-handle-file-exists-p)
    (file-exists-p . tramp-smb-handle-file-exists-p)
    (file-local-copy . tramp-smb-handle-file-local-copy)
    (file-modes . tramp-handle-file-modes)
    (file-name-all-completions . tramp-smb-handle-file-name-all-completions)
    ;; `file-name-as-directory' performed by default handler
    (file-name-completion . tramp-handle-file-name-completion)
    (file-name-directory . tramp-handle-file-name-directory)
    (file-name-nondirectory . tramp-handle-file-name-nondirectory)
    ;; `file-name-sans-versions' performed by default handler
    (file-newer-than-file-p . tramp-smb-handle-file-newer-than-file-p)
    (file-ownership-preserved-p . tramp-smb-not-handled)
    (file-readable-p . tramp-smb-handle-file-exists-p)
    (file-regular-p . tramp-handle-file-regular-p)
    (file-symlink-p . tramp-smb-not-handled)
    ;; `file-truename' performed by default handler
    (file-writable-p . tramp-smb-handle-file-writable-p)
161
    (find-backup-file-name . tramp-handle-find-backup-file-name)
162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237
    ;; `find-file-noselect' performed by default handler
    ;; `get-file-buffer' performed by default handler
    (insert-directory . tramp-smb-handle-insert-directory)
    (insert-file-contents . tramp-handle-insert-file-contents)
    (load . tramp-handle-load)
    (make-directory . tramp-smb-handle-make-directory)
    (make-directory-internal . tramp-smb-handle-make-directory-internal)
    (make-symbolic-link . tramp-smb-not-handled)
    (rename-file . tramp-smb-handle-rename-file)
    (set-file-modes . tramp-smb-not-handled)
    (set-visited-file-modtime . tramp-smb-not-handled)
    (shell-command . tramp-smb-not-handled)
    ;; `substitute-in-file-name' performed by default handler
    (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory)
    (vc-registered . tramp-smb-not-handled)
    (verify-visited-file-modtime . tramp-smb-not-handled)
    (write-region . tramp-smb-handle-write-region)
)
  "Alist of handler functions for Tramp SMB method.
Operations not mentioned here will be handled by the default Emacs primitives.")

(defun tramp-smb-file-name-p (filename)
  "Check if it's a filename for SMB servers."
  (let ((v (tramp-dissect-file-name filename)))
    (string=
     (tramp-find-method
      (tramp-file-name-multi-method v)
      (tramp-file-name-method v)
      (tramp-file-name-user v)
      (tramp-file-name-host v))
     tramp-smb-method)))

(defun tramp-smb-file-name-handler (operation &rest args)
  "Invoke the SMB related OPERATION.
First arg specifies the OPERATION, second arg is a list of arguments to
pass to the OPERATION."
  (let ((fn (assoc operation tramp-smb-file-name-handler-alist)))
    (if fn
	(if (eq (cdr fn) 'tramp-smb-not-handled)
	    (apply (cdr fn) operation args)
	  (save-match-data (apply (cdr fn) args)))
      (tramp-run-real-handler operation args))))

(add-to-list 'tramp-foreign-file-name-handler-alist
	     (cons 'tramp-smb-file-name-p 'tramp-smb-file-name-handler))


;; File name primitives

(defun tramp-smb-not-handled (operation &rest args)
  "Default handler for all functions which are disrecarded."
  (tramp-message 10 "Won't be handled: %s %s" operation args)
  nil)

(defun tramp-smb-handle-copy-file
  (filename newname &optional ok-if-already-exists keep-date)
  "Like `copy-file' for tramp files.
KEEP-DATE is not handled in case NEWNAME resides on an SMB server."
  (setq filename (expand-file-name filename)
	newname (expand-file-name newname))

  (let ((tmpfile (file-local-copy filename)))

    (if tmpfile
	;; remote filename
	(rename-file tmpfile newname ok-if-already-exists)

      ;; remote newname
      (when (file-directory-p newname)
	(setq newname (expand-file-name
		       (file-name-nondirectory filename) newname)))
      (when (and (not ok-if-already-exists)
		 (file-exists-p newname))
	(error "copy-file: file %s already exists" newname))

;      (with-parsed-tramp-file-name newname nil
Kai Großjohann's avatar
Kai Großjohann committed
238
      (let (user host localname)
239
	(with-parsed-tramp-file-name newname l
Kai Großjohann's avatar
Kai Großjohann committed
240
	  (setq user l-user host l-host localname l-localname))
241
	(save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
242 243
	  (let ((share (tramp-smb-get-share localname))
		(file (tramp-smb-get-localname localname t)))
244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262
	    (unless share
	      (error "Target `%s' must contain a share name" filename))
	    (tramp-smb-maybe-open-connection user host share)
	    (tramp-message-for-buffer
	     nil tramp-smb-method user host
	     5 "Copying file %s to file %s..." filename newname)
	    (if (tramp-smb-send-command
		 user host (format "put %s \"%s\"" filename file))
		(tramp-message-for-buffer
		 nil tramp-smb-method user host
		 5 "Copying file %s to file %s...done" filename newname)
	      (error "Cannot copy `%s'" filename))))))))

(defun tramp-smb-handle-delete-directory (directory)
  "Like `delete-directory' for tramp files."
  (setq directory (directory-file-name (expand-file-name directory)))
  (unless (file-exists-p directory)
    (error "Cannot delete non-existing directory `%s'" directory))
;  (with-parsed-tramp-file-name directory nil
Kai Großjohann's avatar
Kai Großjohann committed
263
  (let (user host localname)
264
    (with-parsed-tramp-file-name directory l
Kai Großjohann's avatar
Kai Großjohann committed
265
      (setq user l-user host l-host localname l-localname))
266
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
267 268 269
      (let ((share (tramp-smb-get-share localname))
	    (dir (tramp-smb-get-localname (file-name-directory localname) t))
	    (file (file-name-nondirectory localname)))
270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285
	(tramp-smb-maybe-open-connection user host share)
	(if (and
	     (tramp-smb-send-command user host (format "cd \"%s\"" dir))
	     (tramp-smb-send-command user host (format "rmdir \"%s\"" file)))
	    ;; Go Home
	    (tramp-smb-send-command user host (format "cd \\"))
	  ;; Error
	  (tramp-smb-send-command user host (format "cd \\"))
	  (error "Cannot delete directory `%s'" directory))))))

(defun tramp-smb-handle-delete-file (filename)
  "Like `delete-file' for tramp files."
  (setq filename (expand-file-name filename))
  (unless (file-exists-p filename)
    (error "Cannot delete non-existing file `%s'" filename))
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
286
  (let (user host localname)
287
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
288
      (setq user l-user host l-host localname l-localname))
289
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
290 291 292
      (let ((share (tramp-smb-get-share localname))
	    (dir (tramp-smb-get-localname (file-name-directory localname) t))
	    (file (file-name-nondirectory localname)))
293 294 295 296 297 298 299 300 301 302
	(unless (file-exists-p filename)
	  (error "Cannot delete non-existing file `%s'" filename))
	(tramp-smb-maybe-open-connection user host share)
	(if (and
	     (tramp-smb-send-command user host (format "cd \"%s\"" dir))
	     (tramp-smb-send-command user host (format "rm \"%s\"" file)))
	    ;; Go Home
	    (tramp-smb-send-command user host (format "cd \\"))
	  ;; Error
	  (tramp-smb-send-command user host (format "cd \\"))
303
	  (error "Cannot delete file `%s'" filename))))))
304 305 306 307 308 309

(defun tramp-smb-handle-directory-files
  (directory &optional full match nosort)
  "Like `directory-files' for tramp files."
  (setq directory (directory-file-name (expand-file-name directory)))
;  (with-parsed-tramp-file-name directory nil
Kai Großjohann's avatar
Kai Großjohann committed
310
  (let (user host localname)
311
    (with-parsed-tramp-file-name directory l
Kai Großjohann's avatar
Kai Großjohann committed
312
      (setq user l-user host l-host localname l-localname))
313
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
314 315
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil))
316 317 318 319 320 321 322 323 324
	     (entries (tramp-smb-get-file-entries user host share file)))
	;; Just the file names are needed
	(setq entries (mapcar 'car entries))
	;; Discriminate with regexp
	(when match
	  (setq entries
		(delete nil
			(mapcar (lambda (x) (when (string-match match x) x))
				entries))))
Kai Großjohann's avatar
Kai Großjohann committed
325
	;; Make absolute localnames if necessary
326 327 328 329 330 331 332 333 334 335 336
	(when full
	  (setq entries
		(mapcar (lambda (x)
			  (concat (file-name-as-directory directory) x))
			entries)))
	;; Sort them if necessary
	(unless nosort (setq entries (sort entries 'string-lessp)))
	;; That's it
	entries))))

(defun tramp-smb-handle-directory-files-and-attributes
337
  (directory &optional full match nosort id-format)
338 339 340
  "Like `directory-files-and-attributes' for tramp files."
  (mapcar
   (lambda (x)
341 342 343 344
     ;; We cannot call `file-attributes' for backward compatibility reasons.
     ;; Its optional parameter ID-FORMAT is introduced with Emacs 21.4.
     (cons x (tramp-smb-handle-file-attributes
	(if full x (concat (file-name-as-directory directory) x)) id-format)))
345
   (directory-files directory full match nosort)))
Kai Großjohann's avatar
Kai Großjohann committed
346
 
347 348
(defun tramp-smb-handle-file-attributes (filename &optional id-format)
  "Like `file-attributes' for tramp files."
349
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
350
  (let (user host localname)
351
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
352
      (setq user l-user host l-host localname l-localname))
353
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
354 355
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil))
356 357
	     (entries (tramp-smb-get-file-entries user host share file))
	     (entry (and entries
358
			 (assoc (file-name-nondirectory file) entries)))
359 360
	     (uid (if (and id-format (equal id-format 'string)) "nobody" -1))
	     (gid (if (and id-format (equal id-format 'string)) "nogroup" -1))
361 362 363
	     (inode (tramp-smb-get-inode share file))
	     (device (tramp-get-device nil tramp-smb-method user host)))

364 365 366 367 368
	; check result
	(when entry
	  (list (and (string-match "d" (nth 1 entry))
		     t)         ;0 file type
		-1		;1 link count
369 370
		uid		;2 uid
		gid		;3 gid
371
		'(0 0)		;4 atime
372
		(nth 3 entry)	;5 mtime
373
		'(0 0)		;6 ctime
374 375 376
		(nth 2 entry)   ;7 size
		(nth 1 entry)   ;8 mode
		nil		;9 gid weird
377 378
		inode		;10 inode number
		device))))))	;11 file system number
379 380 381 382

(defun tramp-smb-handle-file-directory-p (filename)
  "Like `file-directory-p' for tramp files."
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
383
  (let 	(user host localname)
384
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
385
      (setq user l-user host l-host localname l-localname))
386
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
387 388
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil))
389 390 391 392 393 394 395 396 397 398
	     (entries (tramp-smb-get-file-entries user host share file))
	     (entry (and entries
			 (assoc (file-name-nondirectory file) entries))))
	(and entry
	     (string-match "d" (nth 1 entry))
	     t)))))

(defun tramp-smb-handle-file-exists-p (filename)
  "Like `file-exists-p' for tramp files."
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
399
  (let 	(user host localname)
400
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
401
      (setq user l-user host l-host localname l-localname))
402
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
403 404
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil))
405 406 407 408 409 410 411 412 413
	     (entries (tramp-smb-get-file-entries user host share file)))
	(and entries
	     (member (file-name-nondirectory file) (mapcar 'car entries))
	     t)))))

(defun tramp-smb-handle-file-local-copy (filename)
  "Like `file-local-copy' for tramp files."
  (with-parsed-tramp-file-name filename nil
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
414 415
      (let ((share (tramp-smb-get-share localname))
	    (file (tramp-smb-get-localname localname t))
416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435
	    (tmpfil (tramp-make-temp-file)))
	(unless (file-exists-p filename)
	  (error "Cannot make local copy of non-existing file `%s'" filename))
	(tramp-message-for-buffer
	 nil tramp-smb-method user host
	 5 "Fetching %s to tmp file %s..." filename tmpfil)
	(tramp-smb-maybe-open-connection user host share)
	(if (tramp-smb-send-command
	     user host (format "get \"%s\" %s" file tmpfil))
	    (tramp-message-for-buffer
	     nil tramp-smb-method user host
	     5 "Fetching %s to tmp file %s...done" filename tmpfil)
	  (error "Cannot make local copy of file `%s'" filename))
	tmpfil))))

;; This function should return "foo/" for directories and "bar" for
;; files.
(defun tramp-smb-handle-file-name-all-completions (filename directory)
  "Like `file-name-all-completions' for tramp files."
;  (with-parsed-tramp-file-name directory nil
Kai Großjohann's avatar
Kai Großjohann committed
436
  (let (user host localname)
437
    (with-parsed-tramp-file-name directory l
Kai Großjohann's avatar
Kai Großjohann committed
438
      (setq user l-user host l-host localname l-localname))
439 440
    (save-match-data
      (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
441 442
	(let* ((share (tramp-smb-get-share localname))
	       (file (tramp-smb-get-localname localname nil))
443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464
	       (entries (tramp-smb-get-file-entries user host share file)))

	  (all-completions
	   filename
	   (mapcar
	    (lambda (x)
	      (list
	       (if (string-match "d" (nth 1 x))
		   (file-name-as-directory (nth 0 x))
		 (nth 0 x))))
	    entries)))))))

(defun tramp-smb-handle-file-newer-than-file-p (file1 file2)
  "Like `file-newer-than-file-p' for tramp files."
  (cond
   ((not (file-exists-p file1)) nil)
   ((not (file-exists-p file2)) t)
   (t (tramp-smb-time-less-p (file-attributes file2)
			     (file-attributes file1)))))

(defun tramp-smb-handle-file-writable-p (filename)
  "Like `file-writable-p' for tramp files."
465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481
  (if (not (file-exists-p filename))
      (let ((dir (file-name-directory filename)))
	(and (file-exists-p dir)
	     (file-writable-p dir)))
;    (with-parsed-tramp-file-name filename nil
    (let (user host localname)
      (with-parsed-tramp-file-name filename l
	(setq user l-user host l-host localname l-localname))
      (save-excursion
	(let* ((share (tramp-smb-get-share localname))
	       (file (tramp-smb-get-localname localname nil))
	       (entries (tramp-smb-get-file-entries user host share file))
	       (entry (and entries
			   (assoc (file-name-nondirectory file) entries))))
	  (and share entry
	       (string-match "w" (nth 1 entry))
	       t))))))
482 483 484 485 486 487 488 489 490 491 492

(defun tramp-smb-handle-insert-directory
  (filename switches &optional wildcard full-directory-p)
  "Like `insert-directory' for tramp files.
WILDCARD and FULL-DIRECTORY-P are not handled."
  (setq filename (expand-file-name filename))
  (when (file-directory-p filename)
    ;; This check is a little bit strange, but in `dired-add-entry'
    ;; this function is called with a non-directory ...
    (setq filename (file-name-as-directory filename)))
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
493
  (let 	(user host localname)
494
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
495
      (setq user l-user host l-host localname l-localname))
496
    (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
497 498
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil))
499 500 501
	     (entries (tramp-smb-get-file-entries user host share file)))

	;; Delete dummy "" entry, useless entries
Kai Großjohann's avatar
Kai Großjohann committed
502
	(setq entries 
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545
	      (if (file-directory-p filename)
		  (delq (assoc "" entries) entries)
		;; We just need the only and only entry FILENAME.
		(list (assoc (file-name-nondirectory filename) entries))))

	;; Sort entries
	(setq entries
	      (sort
	       entries
	       (lambda (x y)
		 (if (string-match "t" switches)
		     ; sort by date
		     (tramp-smb-time-less-p (nth 3 y) (nth 3 x))
		   ; sort by name
		   (string-lessp (nth 0 x) (nth 0 y))))))

	;; Print entries
	(mapcar
	 (lambda (x)
	   (insert
	    (format
	     "%10s %3d %-8s %-8s %8s %s %s\n"
	     (nth 1 x) ; mode
	     1 "nobody" "nogroup"
	     (nth 2 x) ; size
	     (format-time-string
	      (if (tramp-smb-time-less-p
		   (tramp-smb-time-subtract (current-time) (nth 3 x))
		   tramp-smb-half-a-year)
		  "%b %e %R"
		"%b %e  %Y")
	      (nth 3 x)) ; date
	     (nth 0 x))) ; file name
	   (forward-line)
	   (beginning-of-line))
	 entries)))))

(defun tramp-smb-handle-make-directory (dir &optional parents)
  "Like `make-directory' for tramp files."
  (setq dir (directory-file-name (expand-file-name dir)))
  (unless (file-name-absolute-p dir)
    (setq dir (concat default-directory dir)))
;  (with-parsed-tramp-file-name dir nil
Kai Großjohann's avatar
Kai Großjohann committed
546
  (let 	(user host localname)
547
    (with-parsed-tramp-file-name dir l
Kai Großjohann's avatar
Kai Großjohann committed
548
      (setq user l-user host l-host localname l-localname))
549
    (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
550
      (let* ((share (tramp-smb-get-share localname))
551 552 553 554 555 556
	     (ldir (file-name-directory dir)))
	;; Make missing directory parts
	(when (and parents share (not (file-directory-p ldir)))
	  (make-directory ldir parents))
	;; Just do it
	(when (file-directory-p ldir)
557
	  (make-directory-internal dir))
558 559 560 561 562 563 564
	(unless (file-directory-p dir)
	  (error "Couldn't make directory %s" dir))))))

(defun tramp-smb-handle-make-directory-internal (directory)
  "Like `make-directory-internal' for tramp files."
  (setq directory (directory-file-name (expand-file-name directory)))
  (unless (file-name-absolute-p directory)
565
    (setq directory (concat default-directory directory)))
566
;  (with-parsed-tramp-file-name directory nil
Kai Großjohann's avatar
Kai Großjohann committed
567
  (let 	(user host localname)
568
    (with-parsed-tramp-file-name directory l
Kai Großjohann's avatar
Kai Großjohann committed
569
      (setq user l-user host l-host localname l-localname))
570
    (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
571 572
      (let* ((share (tramp-smb-get-share localname))
	     (file (tramp-smb-get-localname localname nil)))
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599
	(when (file-directory-p (file-name-directory directory))
	  (tramp-smb-maybe-open-connection user host share)
	  (tramp-smb-send-command user host (format "mkdir \"%s\"" file)))
	(unless (file-directory-p directory)
	  (error "Couldn't make directory %s" directory))))))

(defun tramp-smb-handle-rename-file
  (filename newname &optional ok-if-already-exists)
  "Like `rename-file' for tramp files."
  (setq filename (expand-file-name filename)
	newname (expand-file-name newname))

  (let ((tmpfile (file-local-copy filename)))

    (if tmpfile
	;; remote filename
	(rename-file tmpfile newname ok-if-already-exists)

      ;; remote newname
      (when (file-directory-p newname)
	(setq newname (expand-file-name
		      (file-name-nondirectory filename) newname)))
      (when (and (not ok-if-already-exists)
		 (file-exists-p newname))
	  (error "rename-file: file %s already exists" newname))

;      (with-parsed-tramp-file-name newname nil
Kai Großjohann's avatar
Kai Großjohann committed
600
      (let (user host localname)
601
	(with-parsed-tramp-file-name newname l
Kai Großjohann's avatar
Kai Großjohann committed
602
	  (setq user l-user host l-host localname l-localname))
603
	(save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
604 605
	  (let ((share (tramp-smb-get-share localname))
		(file (tramp-smb-get-localname localname t)))
606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631
	    (tramp-smb-maybe-open-connection user host share)
	    (tramp-message-for-buffer
	     nil tramp-smb-method user host
	     5 "Copying file %s to file %s..." filename newname)
	    (if (tramp-smb-send-command
		 user host (format "put %s \"%s\"" filename file))
		(tramp-message-for-buffer
		 nil tramp-smb-method user host
		 5 "Copying file %s to file %s...done" filename newname)
	      (error "Cannot rename `%s'" filename)))))))

  (delete-file filename))

(defun tramp-smb-handle-write-region
  (start end filename &optional append visit lockname confirm)
  "Like `write-region' for tramp files."
  (unless (eq append nil)
    (error "Cannot append to file using tramp (`%s')" filename))
  (setq filename (expand-file-name filename))
  ;; XEmacs takes a coding system as the seventh argument, not `confirm'
  (when (and (not (featurep 'xemacs))
	     confirm (file-exists-p filename))
    (unless (y-or-n-p (format "File %s exists; overwrite anyway? "
                              filename))
      (error "File not overwritten")))
;  (with-parsed-tramp-file-name filename nil
Kai Großjohann's avatar
Kai Großjohann committed
632
  (let (user host localname)
633
    (with-parsed-tramp-file-name filename l
Kai Großjohann's avatar
Kai Großjohann committed
634
      (setq user l-user host l-host localname l-localname))
635
    (save-excursion
Kai Großjohann's avatar
Kai Großjohann committed
636 637
      (let ((share (tramp-smb-get-share localname))
	    (file (tramp-smb-get-localname localname t))
638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
	    (curbuf (current-buffer))
	    ;; We use this to save the value of `last-coding-system-used'
	    ;; after writing the tmp file.  At the end of the function,
	    ;; we set `last-coding-system-used' to this saved value.
	    ;; This way, any intermediary coding systems used while
	    ;; talking to the remote shell or suchlike won't hose this
	    ;; variable.  This approach was snarfed from ange-ftp.el.
	    coding-system-used
	    tmpfil)
	;; Write region into a tmp file.
	(setq tmpfil (tramp-make-temp-file))
	;; We say `no-message' here because we don't want the visited file
	;; modtime data to be clobbered from the temp file.  We call
	;; `set-visited-file-modtime' ourselves later on.
	(tramp-run-real-handler
	 'write-region
	 (if confirm ; don't pass this arg unless defined for backward compat.
	     (list start end tmpfil append 'no-message lockname confirm)
	   (list start end tmpfil append 'no-message lockname)))
	;; Now, `last-coding-system-used' has the right value.  Remember it.
	(when (boundp 'last-coding-system-used)
	  (setq coding-system-used last-coding-system-used))

	(tramp-smb-maybe-open-connection user host share)
	(tramp-message-for-buffer
	 nil tramp-smb-method user host
	 5 "Writing tmp file %s to file %s..." tmpfil filename)
	(if (tramp-smb-send-command
	     user host (format "put %s \"%s\"" tmpfil file))
	    (tramp-message-for-buffer
	     nil tramp-smb-method user host
	     5 "Writing tmp file %s to file %s...done" tmpfil filename)
	  (error "Cannot write `%s'" filename))

	(delete-file tmpfil)
	(unless (equal curbuf (current-buffer))
	  (error "Buffer has changed from `%s' to `%s'"
		 curbuf (current-buffer)))
	(when (eq visit t)
	  (set-visited-file-modtime))
	;; Make `last-coding-system-used' have the right value.
	(when (boundp 'last-coding-system-used)
	  (setq last-coding-system-used coding-system-used))))))


;; Internal file name functions

Kai Großjohann's avatar
Kai Großjohann committed
685 686
(defun tramp-smb-get-share (localname)
  "Returns the share name of LOCALNAME."
687
  (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
688 689
    (when (string-match "^/?\\([^/]+\\)/" localname)
      (match-string 1 localname))))
690

Kai Großjohann's avatar
Kai Großjohann committed
691 692
(defun tramp-smb-get-localname (localname convert)
  "Returns the file name of LOCALNAME.
693 694
If CONVERT is non-nil exchange \"/\" by \"\\\\\"."
  (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
695
    (let ((res localname))
696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715

      (setq
       res (if (string-match "^/?[^/]+/\\(.*\\)" res)
	       (if convert
		   (mapconcat
		    (lambda (x) (if (equal x ?/) "\\" (char-to-string x)))
		    (match-string 1 res) "")
		 (match-string 1 res))
	     (if (string-match "^/?\\([^/]+\\)$" res)
		 (match-string 1 res)
	       "")))

      ;; Sometimes we have discarded `substitute-in-file-name'
      (when (string-match "\\(\\$\\$\\)\\(/\\|$\\)" res)
	(setq res (replace-match "$" nil nil res 1)))

      res)))

;; Share names of a host are cached. It is very unlikely that the
;; shares do change during connection.
Kai Großjohann's avatar
Kai Großjohann committed
716 717
(defun tramp-smb-get-file-entries (user host share localname)
  "Read entries which match LOCALNAME.
718
Either the shares are listed, or the `dir' command is executed.
Kai Großjohann's avatar
Kai Großjohann committed
719 720
Only entries matching the localname are returned.
Result is a list of (LOCALNAME MODE SIZE MONTH DAY TIME YEAR)."
721 722
  (save-excursion
    (save-match-data
Kai Großjohann's avatar
Kai Großjohann committed
723 724 725
      (let ((base (or (and (> (length localname) 0)
			   (string-match "\\([^/]+\\)$" localname)
			   (regexp-quote (match-string 1 localname)))
726 727 728 729 730 731 732 733 734 735 736 737
		      ""))
	    res entry)
	(set-buffer (tramp-get-buffer nil tramp-smb-method user host))
	(if (and (not share) tramp-smb-share-cache)
	    ;; Return cached shares
	    (setq res tramp-smb-share-cache)
	  ;; Read entries
	  (tramp-smb-maybe-open-connection user host share)
	  (when share
	    (tramp-smb-send-command
	     user host
	     (format "dir %s"
Kai Großjohann's avatar
Kai Großjohann committed
738
		     (if (zerop (length localname)) "" (concat "\"" localname "*\"")))))
739 740 741 742 743 744 745 746 747 748 749 750
	  (goto-char (point-min))
	  ;; Loop the listing
	  (unless (re-search-forward tramp-smb-errors nil t)
	    (while (not (eobp))
	      (setq entry (tramp-smb-read-file-entry share))
	      (forward-line)
	      (when entry (add-to-list 'res entry))))
	  (unless share
	    ;; Cache share entries
	    (setq tramp-smb-share-cache res)))

	;; Add directory itself
751 752 753 754 755
	(add-to-list 'res '("" "drwxrwxrwx" 0 (0 0)))

	;; There's a very strange error (debugged with XEmacs 21.4.14)
	;; If there's no short delay, it returns nil.  No idea about
	(when (featurep 'xemacs) (sleep-for 0.01))
756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775

	;; Check for matching entries
	(delq nil (mapcar
		   (lambda (x) (and (string-match base (nth 0 x)) x))
		   res))))))

;; Return either a share name (if SHARE is nil), or a file name
;;
;; If shares are listed, the following format is expected
;;
;; \s-\{8,8}                              - leading spaces
;; \S-\(.*\S-\)\s-*                       - share name, 14 char
;; \s-                                    - space delimeter
;; \S-+\s-*                               - type, 8 char, "Disk    " expected
;; \(\s-\{2,2\}.*\)?                      - space delimeter, comment
;;
;; Entries provided by smbclient DIR aren't fully regular.
;; They should have the format
;;
;; \s-\{2,2}                              - leading spaces
776 777
;; \S-\(.*\S-\)\s-*                       - file name, 30 chars, left bound
;; \s-+[ADHRSV]*                          - permissions, 7 chars, right bound
778
;; \s-                                    - space delimeter
779
;; \s-+[0-9]+                             - size, 8 chars, right bound
780 781 782
;; \s-\{2,2\}                             - space delimeter
;; \w\{3,3\}                              - weekday
;; \s-                                    - space delimeter
783 784
;; \w\{3,3\}                              - month
;; \s-                                    - space delimeter
785 786 787 788 789 790
;; [ 19][0-9]                             - day
;; \s-                                    - space delimeter
;; [0-9]\{2,2\}:[0-9]\{2,2\}:[0-9]\{2,2\} - time
;; \s-                                    - space delimeter
;; [0-9]\{4,4\}                           - year
;;
791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
;; samba/src/client.c (http://samba.org/doxygen/samba/client_8c-source.html)
;; has function display_finfo:
;;
;;   d_printf("  %-30s%7.7s %8.0f  %s",
;;            finfo->name,
;;            attrib_string(finfo->mode),
;;            (double)finfo->size,
;;            asctime(LocalTime(&t)));
;;
;; in Samba 1.9, there's the following code:
;;
;;   DEBUG(0,("  %-30s%7.7s%10d  %s",
;;  	   CNV_LANG(finfo->name),
;;	   attrib_string(finfo->mode),
;;	   finfo->size,
;;	   asctime(LocalTime(&t))));
;;
808 809 810 811 812 813 814 815 816 817 818
;; Problems:
;; * Modern regexp constructs, like spy groups and counted repetitions, aren't
;;   available in older Emacsen.
;; * The length of constructs (file name, size) might exceed the default.
;; * File names might contain spaces.
;; * Permissions might be empty.
;;
;; So we try to analyze backwards.
(defun tramp-smb-read-file-entry (share)
  "Parse entry in SMB output buffer.
If SHARE is result, entries are of type dir. Otherwise, shares are listed.
Kai Großjohann's avatar
Kai Großjohann committed
819
Result is the list (LOCALNAME MODE SIZE MTIME)."
820
  (let ((line (buffer-substring (point) (tramp-point-at-eol)))
Kai Großjohann's avatar
Kai Großjohann committed
821
	localname mode size month day hour min sec year mtime)
822 823 824 825 826

    (if (not share)

	; Read share entries
	(when (string-match "^\\s-+\\(\\S-+\\)\\s-+Disk" line)
Kai Großjohann's avatar
Kai Großjohann committed
827
	  (setq localname (match-string 1 line)
828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866
		mode "dr-xr-xr-x"
		size 0))

      ; Real listing
      (block nil

	;; year
	(if (string-match "\\([0-9]+\\)$" line)
	    (setq year (string-to-number (match-string 1 line))
		  line (substring line 0 -5))
	  (return))

	;; time
	(if (string-match "\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)$" line)
	    (setq hour (string-to-number (match-string 1 line))
		  min  (string-to-number (match-string 2 line))
		  sec  (string-to-number (match-string 3 line))
		  line (substring line 0 -9))
	  (return))

	;; day
	(if (string-match "\\([0-9]+\\)$" line)
	    (setq day  (string-to-number (match-string 1 line))
		  line (substring line 0 -3))
	  (return))

	;; month
	(if (string-match "\\(\\w+\\)$" line)
	    (setq month (match-string 1 line)
		  line  (substring line 0 -4))
	  (return))

	;; weekday
	(if (string-match "\\(\\w+\\)$" line)
	    (setq line (substring line 0 -5))
	  (return))

	;; size
	(if (string-match "\\([0-9]+\\)$" line)
867 868 869 870 871
	    (let ((length (- (max 10 (1+ (length (match-string 1 line)))))))
	      (setq size (string-to-number (match-string 1 line)))
	      (when (string-match "\\([ADHRSV]+\\)" (substring line length))
		(setq length (+ length (match-end 0))))
	      (setq line (substring line 0 length)))
872 873
	  (return))

874 875
	;; mode: ARCH, DIR, HIDDEN, RONLY, SYSTEM, VOLID
	(if (string-match "\\([ADHRSV]+\\)?$" line)
876
	    (setq
877
	     mode (or (match-string 1 line) "")
878 879 880 881 882 883
	     mode (save-match-data (format
		    "%s%s"
		    (if (string-match "D" mode) "d" "-")
		    (mapconcat
		     (lambda (x) "") "    "
		     (concat "r" (if (string-match "R" mode) "-" "w") "x"))))
884
	     line (substring line 0 -7))
885 886
	  (return))

Kai Großjohann's avatar
Kai Großjohann committed
887
	;; localname
888
	(if (string-match "^\\s-+\\(\\S-\\(.*\\S-\\)?\\)\\s-*$" line)
Kai Großjohann's avatar
Kai Großjohann committed
889
	    (setq localname (match-string 1 line))
890 891
	  (return))))

Kai Großjohann's avatar
Kai Großjohann committed
892
    (when (and localname mode size)
893 894 895 896 897 898 899
      (setq mtime
	    (if (and sec min hour day month year)
		(encode-time
		 sec min hour day
		 (cdr (assoc (downcase month) tramp-smb-parse-time-months))
		 year)
	      '(0 0)))
Kai Großjohann's avatar
Kai Großjohann committed
900
      (list localname mode size mtime))))
901

902 903 904 905 906 907 908 909 910 911 912 913 914 915
;; Inodes don't exist for SMB files.  Therefore we must generate virtual ones.
;; Used in `find-buffer-visiting'.
;; The method applied might be not so efficient (Ange-FTP uses hashes). But
;; performance isn't the major issue given that file transfer will take time.

(defun tramp-smb-get-inode (share file)
  "Returns the virtual inode number.
If it doesn't exist, generate a new one."
  (let ((string (concat share "/" (directory-file-name file))))
    (unless (assoc string tramp-smb-inodes)
      (add-to-list 'tramp-smb-inodes
		   (list string (length tramp-smb-inodes))))
    (nth 1 (assoc string tramp-smb-inodes))))

916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932

;; Connection functions

(defun tramp-smb-send-command (user host command)
  "Send the COMMAND to USER at HOST (logged into an SMB session).
Erases temporary buffer before sending the command.  Returns nil if
there has been an error message from smbclient."
  (save-excursion
    (set-buffer (tramp-get-buffer nil tramp-smb-method user host))
    (erase-buffer)
    (tramp-send-command nil tramp-smb-method user host command nil t)
    (tramp-smb-wait-for-output user host)))

(defun tramp-smb-maybe-open-connection (user host share)
  "Maybe open a connection to HOST, logging in as USER, using `tramp-smb-program'.
Does not do anything if a connection is already open, but re-opens the
connection if a previous connection has died for some reason."
933 934
  (let ((process-connection-type tramp-process-connection-type)
	(p (get-buffer-process
935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007
	    (tramp-get-buffer nil tramp-smb-method user host))))
    (save-excursion
      (set-buffer (tramp-get-buffer nil tramp-smb-method user host))
      ;; Check whether it is still the same share
      (unless (and p (processp p) (string-equal tramp-smb-share share))
	(when (and p (processp p))
	  (delete-process p)
	  (setq p nil)))
      ;; If too much time has passed since last command was sent, look
      ;; whether process is still alive.  If it isn't, kill it.
      (when (and tramp-last-cmd-time
		 (> (tramp-time-diff (current-time) tramp-last-cmd-time) 60)
		 p (processp p) (memq (process-status p) '(run open)))
	(unless (and p (processp p) (memq (process-status p) '(run open)))
	  (delete-process p)
	  (setq p nil))))
    (unless (and p (processp p) (memq (process-status p) '(run open)))
      (when (and p (processp p))
        (delete-process p))
      (tramp-smb-open-connection user host share))))

(defun tramp-smb-open-connection (user host share)
  "Open a connection using `tramp-smb-program'.
This starts the command `smbclient //HOST/SHARE -U USER', then waits
for a remote password prompt.  It queries the user for the password,
then sends the password to the remote host.

Domain names in USER and port numbers in HOST are acknowledged."

  (save-match-data
    (let* ((buffer (tramp-get-buffer nil tramp-smb-method user host))
	   (real-user user)
	   (real-host host)
	   domain port args)

      ; Check for domain ("user%domain") and port ("host#port")
      (when (and user (string-match "\\(.+\\)%\\(.+\\)" user))
	(setq real-user (or (match-string 1 user) user)
	      domain (match-string 2 user)))

      (when (and host (string-match "\\(.+\\)#\\(.+\\)" host))
	(setq real-host (or (match-string 1 host) host)
	      port (match-string 2 host)))

      (if share
	  (setq args (list (concat "//" real-host "/" share)))
	(setq args (list "-L" real-host )))

      (if real-user
	  (setq args (append args (list "-U" real-user)))
	(setq args (append args (list "-N"))))

      (when domain (setq args (append args (list "-W" domain))))
      (when port   (setq args (append args (list "-p" port))))

      ; OK, let's go
      (tramp-pre-connection nil tramp-smb-method user host)
      (tramp-message 7 "Opening connection for //%s@%s/%s..."
		     user host (or share ""))

      (let* ((default-directory (tramp-temporary-file-directory))
	     ;; If we omit the conditional here, then we would use
	     ;; `undecided-dos' in some cases.  With the conditional,
	     ;; we use nil in these cases.  Which one is right?
	     (coding-system-for-read (unless (and (not (featurep 'xemacs))
						  (> emacs-major-version 20))
				       tramp-dos-coding-system))
	     (p (apply #'start-process (buffer-name buffer) buffer
		       tramp-smb-program args)))

	(tramp-message 9 "Started process %s" (process-command p))
	(process-kill-without-query p)
	(set-buffer buffer)
1008
	(setq tramp-smb-share share)
1009 1010 1011 1012 1013 1014 1015 1016

        ; send password
	(when real-user
	  (let ((pw-prompt "Password:"))
	    (tramp-message 9 "Sending password")
	    (tramp-enter-password p pw-prompt)))

	(unless (tramp-smb-wait-for-output user host)
1017
	  (tramp-clear-passwd user host)
1018 1019 1020 1021 1022 1023 1024
	  (error "Cannot open connection //%s@%s/%s"
		 user host (or share "")))))))

;; We don't use timeouts.  If needed, the caller shall wrap around.
(defun tramp-smb-wait-for-output (user host)
  "Wait for output from smbclient command.
Returns nil if an error message has appeared."
1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
  (let ((proc (get-buffer-process (current-buffer)))
	(found (progn (goto-char (point-min))
		      (re-search-forward tramp-smb-prompt nil t)))
	(err   (progn (goto-char (point-min))
		      (re-search-forward tramp-smb-errors nil t))))

    ;; Algorithm: get waiting output.  See if last line contains
    ;; tramp-smb-prompt sentinel or tramp-smb-errors strings.
    ;; If not, wait a bit and again get waiting output.
    (while (and (not found) (not err))

      ;; Accept pending output.
      (accept-process-output proc)

      ;; Search for prompt.
1040
      (goto-char (point-min))
1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054
      (setq found (re-search-forward tramp-smb-prompt nil t))

      ;; Search for errors.
      (goto-char (point-min))
      (setq err (re-search-forward tramp-smb-errors nil t)))

    ;; Add output to debug buffer if appropriate.
    (when tramp-debug-buffer
      (append-to-buffer
       (tramp-get-debug-buffer nil tramp-smb-method user host)
       (point-min) (point-max)))

    ;; Return value is whether no error message has appeared.
    (not err)))
1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145


;; Snarfed code from time-date.el and parse-time.el

(defconst tramp-smb-half-a-year '(241 17024)
"Evaluated by \"(days-to-time 183)\".")

(defconst tramp-smb-parse-time-months '(("jan" . 1) ("feb" . 2) ("mar" . 3)
			    ("apr" . 4) ("may" . 5) ("jun" . 6)
			    ("jul" . 7) ("aug" . 8) ("sep" . 9)
			    ("oct" . 10) ("nov" . 11) ("dec" . 12))
"Alist mapping month names to integers.")

(defun tramp-smb-time-less-p (t1 t2)
  "Say whether time value T1 is less than time value T2."
  (unless t1 (setq t1 '(0 0)))
  (unless t2 (setq t2 '(0 0)))
  (or (< (car t1) (car t2))
      (and (= (car t1) (car t2))
	   (< (nth 1 t1) (nth 1 t2)))))

(defun tramp-smb-time-subtract (t1 t2)
  "Subtract two time values.
Return the difference in the format of a time value."
  (unless t1 (setq t1 '(0 0)))
  (unless t2 (setq t2 '(0 0)))
  (let ((borrow (< (cadr t1) (cadr t2))))
    (list (- (car t1) (car t2) (if borrow 1 0))
	  (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))


;; `PC-do-completion' touches the returning "$$" by `substitute-in-file-name'.
;; Must be corrected.

(defadvice PC-do-completion (around tramp-smb-advice-PC-do-completion activate)
  "Changes \"$\" back to \"$$\" in minibuffer."
  (if (funcall PC-completion-as-file-name-predicate)

      (progn
	;; Substitute file names
	(let* ((beg (or (and (functionp 'minibuffer-prompt-end) ; Emacs 21
			     (funcall 'minibuffer-prompt-end))
			(point-min)))
	       (end (point-max))
	       (str (substitute-in-file-name (buffer-substring beg end))))
	  (delete-region beg end)
	  (insert str)
	  (ad-set-arg 2 (point)))

	;; Do `PC-do-completion' without substitution
	(let* (save)
	  (fset 'save (symbol-function 'substitute-in-file-name))
	  (fset 'substitute-in-file-name (symbol-function 'identity))
	  ad-do-it
	  (fset 'substitute-in-file-name (symbol-function 'save)))

	;; Expand "$"
	(let* ((beg (or (and (functionp 'minibuffer-prompt-end) ; Emacs 21
			     (funcall 'minibuffer-prompt-end))
			(point-min)))
	       (end (point-max))
	       (str (buffer-substring beg end)))
	  (delete-region beg end)
	  (insert (if (string-match "\\(\\$\\)\\(/\\|$\\)" str)
		      (replace-match "$$" nil nil str 1)
		    str))))

    ;; No file names. Behave unchanged.
    ad-do-it))

(provide 'tramp-smb)

;;; TODO:

;; * Provide a local smb.conf. The default one might not be readable.
;; * Error handling in case password is wrong.
;; * Read password from "~/.netrc".
;; * Return more comprehensive file permission string.  Think whether it is
;;   possible to implement `set-file-modes'.
;; * Handle WILDCARD and FULL-DIRECTORY-P in
;;   `tramp-smb-handle-insert-directory'.
;; * Handle links (FILENAME.LNK).
;; * Maybe local tmp files should have the same extension like the original
;;   files.  Strange behaviour with jka-compr otherwise?
;; * Copy files in dired from SMB to another method doesn't work.
;; * Try to remove the inclusion of dummy "" directory.  Seems to be at
;;   several places, especially in `tramp-smb-handle-insert-directory'.
;; * Provide variables for debug.
;; * (RMS) Use unwind-protect to clean up the state so as to make the state
;;   regular again.

Miles Bader's avatar
Miles Bader committed
1146
;;; arch-tag: fcc9dbec-7503-4d73-b638-3c8aa59575f5
1147
;;; tramp-smb.el ends here