code.delx.au - gnu-emacs/blob - lisp/net/tramp-smb.el

   1 ;;; tramp-smb.el --- Tramp access functions for SMB servers
   2
   3 ;; Copyright (C) 2002-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Michael Albinus <michael.albinus@gmx.de>
   6 ;; Keywords: comm, processes
   7 ;; Package: tramp
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;; Access functions for SMB servers like SAMBA or M$ Windows from Tramp.
  27
  28 ;;; Code:
  29
  30 (eval-when-compile (require 'cl))       ; block, return
  31 (require 'tramp)
  32
  33 ;; Define SMB method ...
  34 ;;;###tramp-autoload
  35 (defconst tramp-smb-method "smb"
  36   "Method to connect SAMBA and M$ SMB servers.")
  37
  38 ;; ... and add it to the method list.
  39 ;;;###tramp-autoload
  40 (unless (memq system-type '(cygwin windows-nt))
  41   (add-to-list 'tramp-methods
  42     `(,tramp-smb-method
  43       ;; We define an empty command, because `tramp-smb-call-winexe'
  44       ;; opens already the powershell.  Used in `tramp-handle-shell-command'.
  45       (tramp-remote-shell "")
  46       ;; This is just a guess.  We don't know whether the share "C$"
  47       ;; is available for public use, and whether the user has write
  48       ;; access.
  49       (tramp-tmpdir "/C$/Temp"))))
  50
  51 ;; Add a default for `tramp-default-method-alist'. Rule: If there is
  52 ;; a domain in USER, it must be the SMB method.
  53 ;;;###tramp-autoload
  54 (add-to-list 'tramp-default-method-alist
  55              `(nil ,tramp-prefix-domain-regexp ,tramp-smb-method))
  56
  57 ;; Add a default for `tramp-default-user-alist'. Rule: For the SMB method,
  58 ;; the anonymous user is chosen.
  59 ;;;###tramp-autoload
  60 (add-to-list 'tramp-default-user-alist
  61              `(,(concat "\\`" tramp-smb-method "\\'") nil nil))
  62
  63 ;; Add completion function for SMB method.
  64 ;;;###tramp-autoload
  65 (eval-after-load 'tramp
  66   '(tramp-set-completion-function
  67     tramp-smb-method
  68     '((tramp-parse-netrc "~/.netrc"))))
  69
  70 (defcustom tramp-smb-program "smbclient"
  71   "Name of SMB client to run."
  72   :group 'tramp
  73   :type 'string)
  74
  75 (defcustom tramp-smb-conf "/dev/null"
  76   "Path of the smb.conf file.
  77 If it is nil, no smb.conf will be added to the `tramp-smb-program'
  78 call, letting the SMB client use the default one."
  79   :group 'tramp
  80   :type '(choice (const nil) (file :must-match t)))
  81
  82 (defvar tramp-smb-version nil
  83   "Version string of the SMB client.")
  84
  85 (defconst tramp-smb-server-version
  86   "Domain=\\[[^]]*\\] OS=\\[[^]]*\\] Server=\\[[^]]*\\]"
  87   "Regexp of SMB server identification.")
  88
  89 (defconst tramp-smb-prompt "^\\(smb:\\|PS\\) .+> \\|^\\s-+Server\\s-+Comment$"
  90   "Regexp used as prompt in smbclient or powershell.")
  91
  92 (defconst tramp-smb-wrong-passwd-regexp
  93   (regexp-opt
  94    '("NT_STATUS_LOGON_FAILURE"
  95      "NT_STATUS_WRONG_PASSWORD"))
  96   "Regexp for login error strings of SMB servers.")
  97
  98 (defconst tramp-smb-errors
  99   (mapconcat
 100    'identity
 101    `(;; Connection error / timeout / unknown command.
 102      "Connection\\( to \\S-+\\)? failed"
 103      "Read from server failed, maybe it closed the connection"
 104      "Call timed out: server did not respond"
 105      "\\S-+: command not found"
 106      "Server doesn't support UNIX CIFS calls"
 107      ,(regexp-opt
 108        '(;; Samba.
 109          "ERRDOS"
 110          "ERRHRD"
 111          "ERRSRV"
 112          "ERRbadfile"
 113          "ERRbadpw"
 114          "ERRfilexists"
 115          "ERRnoaccess"
 116          "ERRnomem"
 117          "ERRnosuchshare"
 118          ;; Windows 4.0 (Windows NT), Windows 5.0 (Windows 2000),
 119          ;; Windows 5.1 (Windows XP), Windows 5.2 (Windows Server 2003),
 120          ;; Windows 6.0 (Windows Vista), Windows 6.1 (Windows 7).
 121          "NT_STATUS_ACCESS_DENIED"
 122          "NT_STATUS_ACCOUNT_LOCKED_OUT"
 123          "NT_STATUS_BAD_NETWORK_NAME"
 124          "NT_STATUS_CANNOT_DELETE"
 125          "NT_STATUS_CONNECTION_REFUSED"
 126          "NT_STATUS_DIRECTORY_NOT_EMPTY"
 127          "NT_STATUS_DUPLICATE_NAME"
 128          "NT_STATUS_FILE_IS_A_DIRECTORY"
 129          "NT_STATUS_IMAGE_ALREADY_LOADED"
 130          "NT_STATUS_IO_TIMEOUT"
 131          "NT_STATUS_LOGON_FAILURE"
 132          "NT_STATUS_NETWORK_ACCESS_DENIED"
 133          "NT_STATUS_NOT_IMPLEMENTED"
 134          "NT_STATUS_NO_SUCH_FILE"
 135          "NT_STATUS_NO_SUCH_USER"
 136          "NT_STATUS_OBJECT_NAME_COLLISION"
 137          "NT_STATUS_OBJECT_NAME_INVALID"
 138          "NT_STATUS_OBJECT_NAME_NOT_FOUND"
 139          "NT_STATUS_SHARING_VIOLATION"
 140          "NT_STATUS_TRUSTED_RELATIONSHIP_FAILURE"
 141          "NT_STATUS_UNSUCCESSFUL"
 142          "NT_STATUS_WRONG_PASSWORD")))
 143    "\\|")
 144   "Regexp for possible error strings of SMB servers.
 145 Used instead of analyzing error codes of commands.")
 146
 147 (defconst tramp-smb-actions-with-share
 148   '((tramp-smb-prompt tramp-action-succeed)
 149     (tramp-password-prompt-regexp tramp-action-password)
 150     (tramp-wrong-passwd-regexp tramp-action-permission-denied)
 151     (tramp-smb-errors tramp-action-permission-denied)
 152     (tramp-process-alive-regexp tramp-action-process-alive))
 153   "List of pattern/action pairs.
 154 This list is used for login to SMB servers.
 155
 156 See `tramp-actions-before-shell' for more info.")
 157
 158 (defconst tramp-smb-actions-without-share
 159   '((tramp-password-prompt-regexp tramp-action-password)
 160     (tramp-wrong-passwd-regexp tramp-action-permission-denied)
 161     (tramp-smb-errors tramp-action-permission-denied)
 162     (tramp-process-alive-regexp tramp-action-out-of-band))
 163   "List of pattern/action pairs.
 164 This list is used for login to SMB servers.
 165
 166 See `tramp-actions-before-shell' for more info.")
 167
 168 (defconst tramp-smb-actions-with-tar
 169   '((tramp-password-prompt-regexp tramp-action-password)
 170     (tramp-wrong-passwd-regexp tramp-action-permission-denied)
 171     (tramp-smb-errors tramp-action-permission-denied)
 172     (tramp-process-alive-regexp tramp-smb-action-with-tar))
 173   "List of pattern/action pairs.
 174 This list is used for tar-like copy of directories.
 175
 176 See `tramp-actions-before-shell' for more info.")
 177
 178 ;; New handlers should be added here.
 179 (defconst tramp-smb-file-name-handler-alist
 180   '(
 181     ;; `access-file' performed by default handler.
 182     (add-name-to-file . tramp-smb-handle-add-name-to-file)
 183     ;; `byte-compiler-base-file-name' performed by default handler.
 184     (copy-directory . tramp-smb-handle-copy-directory)
 185     (copy-file . tramp-smb-handle-copy-file)
 186     (delete-directory . tramp-smb-handle-delete-directory)
 187     (delete-file . tramp-smb-handle-delete-file)
 188     ;; `diff-latest-backup-file' performed by default handler.
 189     (directory-file-name . tramp-handle-directory-file-name)
 190     (directory-files . tramp-smb-handle-directory-files)
 191     (directory-files-and-attributes
 192      . tramp-handle-directory-files-and-attributes)
 193     (dired-call-process . ignore)
 194     (dired-compress-file . ignore)
 195     (dired-uncache . tramp-handle-dired-uncache)
 196     (expand-file-name . tramp-smb-handle-expand-file-name)
 197     (file-accessible-directory-p . tramp-smb-handle-file-directory-p)
 198     (file-attributes . tramp-smb-handle-file-attributes)
 199     (file-directory-p .  tramp-smb-handle-file-directory-p)
 200     (file-executable-p . tramp-handle-file-exists-p)
 201     (file-exists-p . tramp-handle-file-exists-p)
 202     (file-local-copy . tramp-smb-handle-file-local-copy)
 203     (file-modes . tramp-handle-file-modes)
 204     (file-name-all-completions . tramp-smb-handle-file-name-all-completions)
 205     (file-name-as-directory . tramp-handle-file-name-as-directory)
 206     (file-name-completion . tramp-handle-file-name-completion)
 207     (file-name-directory . tramp-handle-file-name-directory)
 208     (file-name-nondirectory . tramp-handle-file-name-nondirectory)
 209     ;; `file-name-sans-versions' performed by default handler.
 210     (file-newer-than-file-p . tramp-handle-file-newer-than-file-p)
 211     (file-ownership-preserved-p . ignore)
 212     (file-readable-p . tramp-handle-file-exists-p)
 213     (file-regular-p . tramp-handle-file-regular-p)
 214     (file-remote-p . tramp-handle-file-remote-p)
 215     ;; `file-selinux-context' performed by default handler.
 216     (file-symlink-p . tramp-handle-file-symlink-p)
 217     ;; `file-truename' performed by default handler.
 218     (file-writable-p . tramp-smb-handle-file-writable-p)
 219     (find-backup-file-name . tramp-handle-find-backup-file-name)
 220     ;; `find-file-noselect' performed by default handler.
 221     ;; `get-file-buffer' performed by default handler.
 222     (insert-directory . tramp-smb-handle-insert-directory)
 223     (insert-file-contents . tramp-handle-insert-file-contents)
 224     (load . tramp-handle-load)
 225     (make-directory . tramp-smb-handle-make-directory)
 226     (make-directory-internal . tramp-smb-handle-make-directory-internal)
 227     (make-symbolic-link . tramp-smb-handle-make-symbolic-link)
 228     (process-file . tramp-smb-handle-process-file)
 229     (rename-file . tramp-smb-handle-rename-file)
 230     (set-file-modes . tramp-smb-handle-set-file-modes)
 231     ;; `set-file-selinux-context' performed by default handler.
 232     (set-file-times . ignore)
 233     (set-visited-file-modtime . ignore)
 234     (shell-command . tramp-handle-shell-command)
 235     (start-file-process . tramp-smb-handle-start-file-process)
 236     (substitute-in-file-name . tramp-smb-handle-substitute-in-file-name)
 237     (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory)
 238     (vc-registered . ignore)
 239     (verify-visited-file-modtime . ignore)
 240     (write-region . tramp-smb-handle-write-region)
 241 )
 242   "Alist of handler functions for Tramp SMB method.
 243 Operations not mentioned here will be handled by the default Emacs primitives.")
 244
 245 ;; Options for remote processes via winexe.
 246 (defcustom tramp-smb-winexe-program "winexe"
 247   "Name of winexe client to run.
 248 If it isn't found in the local $PATH, the absolute path of winexe
 249 shall be given.  This is needed for remote processes."
 250   :group 'tramp
 251   :type 'string
 252   :version "24.2")
 253
 254 (defcustom tramp-smb-winexe-shell-command "powershell.exe"
 255   "Shell to be used for processes on remote machines.
 256 This must be Powershell V2 compatible."
 257   :group 'tramp
 258   :type 'string
 259   :version "24.2")
 260
 261 (defcustom tramp-smb-winexe-shell-command-switch "-file -"
 262   "Command switch used together with `tramp-smb-winexe-shell-command'.
 263 This can be used to disable echo etc."
 264   :group 'tramp
 265   :type 'string
 266   :version "24.2")
 267
 268 ;;;###tramp-autoload
 269 (defsubst tramp-smb-file-name-p (filename)
 270   "Check if it's a filename for SMB servers."
 271   (string= (tramp-file-name-method (tramp-dissect-file-name filename))
 272            tramp-smb-method))
 273
 274 ;;;###tramp-autoload
 275 (defun tramp-smb-file-name-handler (operation &rest args)
 276   "Invoke the SMB related OPERATION.
 277 First arg specifies the OPERATION, second arg is a list of arguments to
 278 pass to the OPERATION."
 279   (let ((fn (assoc operation tramp-smb-file-name-handler-alist)))
 280     (if fn
 281         (save-match-data (apply (cdr fn) args))
 282       (tramp-run-real-handler operation args))))
 283
 284 ;;;###tramp-autoload
 285 (unless (memq system-type '(cygwin windows-nt))
 286   (add-to-list 'tramp-foreign-file-name-handler-alist
 287                (cons 'tramp-smb-file-name-p 'tramp-smb-file-name-handler)))
 288
 289
 290 ;; File name primitives.
 291
 292 (defun tramp-smb-handle-add-name-to-file
 293   (filename newname &optional ok-if-already-exists)
 294   "Like `add-name-to-file' for Tramp files."
 295   (unless (tramp-equal-remote filename newname)
 296     (with-parsed-tramp-file-name
 297         (if (tramp-tramp-file-p filename) filename newname) nil
 298       (tramp-error
 299        v 'file-error
 300        "add-name-to-file: %s"
 301        "only implemented for same method, same user, same host")))
 302   (with-parsed-tramp-file-name filename v1
 303     (with-parsed-tramp-file-name newname v2
 304       (when (file-directory-p filename)
 305         (tramp-error
 306          v2 'file-error
 307          "add-name-to-file: %s must not be a directory" filename))
 308       (when (and (not ok-if-already-exists)
 309                  (file-exists-p newname)
 310                  (not (numberp ok-if-already-exists))
 311                  (y-or-n-p
 312                   (format
 313                    "File %s already exists; make it a new name anyway? "
 314                    newname)))
 315         (tramp-error
 316          v2 'file-error
 317          "add-name-to-file: file %s already exists" newname))
 318       ;; We must also flush the cache of the directory, because
 319       ;; `file-attributes' reads the values from there.
 320       (tramp-flush-file-property v2 (file-name-directory v2-localname))
 321       (tramp-flush-file-property v2 v2-localname)
 322       (unless
 323           (tramp-smb-send-command
 324            v1
 325            (format
 326             "%s \"%s\" \"%s\""
 327             (if (tramp-smb-get-cifs-capabilities v1) "link" "hardlink")
 328             (tramp-smb-get-localname v1)
 329             (tramp-smb-get-localname v2)))
 330         (tramp-error
 331          v2 'file-error
 332          "error with add-name-to-file, see buffer `%s' for details"
 333          (buffer-name))))))
 334
 335 (defun tramp-smb-action-with-tar (proc vec)
 336   "Untar from connection buffer."
 337   (if (not (memq (process-status proc) '(run open)))
 338       (throw 'tramp-action 'process-died)
 339
 340     (with-current-buffer (tramp-get-connection-buffer vec)
 341       (goto-char (point-min))
 342       (when (search-forward-regexp tramp-smb-server-version nil t)
 343         ;; There might be a hidden password prompt.
 344         (widen)
 345         (forward-line)
 346         (tramp-message vec 6 (buffer-substring (point-min) (point)))
 347         (delete-region (point-min) (point))
 348         (throw 'tramp-action 'ok)))))
 349
 350 (defun tramp-smb-handle-copy-directory
 351   (dirname newname &optional keep-date parents copy-contents)
 352   "Like `copy-directory' for Tramp files."
 353   (setq dirname (expand-file-name dirname)
 354         newname (expand-file-name newname))
 355   (let ((t1 (tramp-tramp-file-p dirname))
 356         (t2 (tramp-tramp-file-p newname)))
 357     (with-parsed-tramp-file-name (if t1 dirname newname) nil
 358       (tramp-with-progress-reporter
 359           v 0 (format "Copying %s to %s" dirname newname)
 360       (cond
 361        ;; We must use a local temporary directory.
 362        ((and t1 t2)
 363         (let ((tmpdir
 364                (make-temp-name
 365                 (expand-file-name
 366                  tramp-temp-name-prefix
 367                  (tramp-compat-temporary-file-directory)))))
 368           (unwind-protect
 369               (progn
 370                 (tramp-compat-copy-directory dirname tmpdir keep-date parents)
 371                 (tramp-compat-copy-directory tmpdir newname keep-date parents))
 372             (tramp-compat-delete-directory tmpdir 'recursive))))
 373
 374        ;; We can copy recursively.
 375        ((or t1 t2)
 376         (when (and (file-directory-p newname)
 377                    (not (string-equal (file-name-nondirectory dirname)
 378                                       (file-name-nondirectory newname))))
 379           (setq newname
 380                 (expand-file-name
 381                  (file-name-nondirectory dirname) newname))
 382           (if t2 (setq v (tramp-dissect-file-name newname))))
 383         (if (not (file-directory-p newname))
 384             (make-directory newname parents))
 385
 386         (setq tramp-current-method (tramp-file-name-method v)
 387               tramp-current-user (tramp-file-name-user v)
 388               tramp-current-host (tramp-file-name-real-host v))
 389
 390         (let* ((real-user (tramp-file-name-real-user v))
 391                (real-host (tramp-file-name-real-host v))
 392                (domain    (tramp-file-name-domain v))
 393                (port      (tramp-file-name-port v))
 394                (share     (tramp-smb-get-share v))
 395                (localname (file-name-as-directory
 396                            (replace-regexp-in-string
 397                             "\\\\" "/" (tramp-smb-get-localname v))))
 398                (tmpdir    (make-temp-name
 399                            (expand-file-name
 400                             tramp-temp-name-prefix
 401                             (tramp-compat-temporary-file-directory))))
 402                (args      (list tramp-smb-program
 403                                 (concat "//" real-host "/" share) "-E")))
 404
 405           (if (not (zerop (length real-user)))
 406               (setq args (append args (list "-U" real-user)))
 407             (setq args (append args (list "-N"))))
 408
 409           (when domain (setq args (append args (list "-W" domain))))
 410           (when port   (setq args (append args (list "-p" port))))
 411           (when tramp-smb-conf
 412             (setq args (append args (list "-s" tramp-smb-conf))))
 413           (setq args
 414                 (if t1
 415                     ;; Source is remote.
 416                     (append args
 417                             (list "-D" (shell-quote-argument localname)
 418                                   "-c" (shell-quote-argument "tar qc - *")
 419                                   "|" "tar" "xfC" "-"
 420                                   (shell-quote-argument tmpdir)))
 421                   ;; Target is remote.
 422                   (append (list "tar" "cfC" "-" (shell-quote-argument dirname)
 423                                 "." "|")
 424                           args
 425                           (list "-D" (shell-quote-argument localname)
 426                                 "-c" (shell-quote-argument "tar qx -")))))
 427
 428           (unwind-protect
 429               (with-temp-buffer
 430                 ;; Set the transfer process properties.
 431                 (tramp-set-connection-property
 432                  v "process-name" (buffer-name (current-buffer)))
 433                 (tramp-set-connection-property
 434                  v "process-buffer" (current-buffer))
 435
 436                 (when t1
 437                   ;; The smbclient tar command creates always complete
 438                   ;; paths.  We must emulate the directory structure,
 439                   ;; and symlink to the real target.
 440                   (make-directory
 441                    (expand-file-name ".." (concat tmpdir localname)) 'parents)
 442                   (make-symbolic-link
 443                    newname (directory-file-name (concat tmpdir localname))))
 444
 445                 ;; Use an asynchronous processes.  By this, password
 446                 ;; can be handled.
 447                 (let* ((default-directory tmpdir)
 448                        (p (start-process-shell-command
 449                            (tramp-get-connection-name v)
 450                            (tramp-get-connection-buffer v)
 451                            (mapconcat 'identity args " "))))
 452
 453                   (tramp-message
 454                    v 6 "%s" (mapconcat 'identity (process-command p) " "))
 455                   (tramp-compat-set-process-query-on-exit-flag p nil)
 456                   (tramp-process-actions p v nil tramp-smb-actions-with-tar)
 457
 458                   (while (memq (process-status p) '(run open))
 459                     (sit-for 0.1))
 460                   (tramp-message v 6 "\n%s" (buffer-string))))
 461
 462             ;; Reset the transfer process properties.
 463             (tramp-set-connection-property v "process-name" nil)
 464             (tramp-set-connection-property v "process-buffer" nil)
 465             (when t1 (delete-directory tmpdir 'recurse))))
 466
 467         ;; Handle KEEP-DATE argument.
 468         (when keep-date
 469           (set-file-times newname (nth 5 (file-attributes dirname))))
 470
 471         ;; Set the mode.
 472         (unless keep-date
 473           (set-file-modes newname (tramp-default-file-modes dirname)))
 474
 475         ;; When newname did exist, we have wrong cached values.
 476         (when t2
 477           (with-parsed-tramp-file-name newname nil
 478             (tramp-flush-file-property v (file-name-directory localname))
 479             (tramp-flush-file-property v localname))))
 480
 481        ;; We must do it file-wise.
 482        (t
 483         (tramp-run-real-handler
 484          'copy-directory (list dirname newname keep-date parents))))))))
 485
 486 (defun tramp-smb-handle-copy-file
 487   (filename newname &optional ok-if-already-exists keep-date
 488             preserve-uid-gid preserve-selinux-context)
 489   "Like `copy-file' for Tramp files.
 490 KEEP-DATE has no effect in case NEWNAME resides on an SMB server.
 491 PRESERVE-UID-GID and PRESERVE-SELINUX-CONTEXT are completely ignored."
 492   (setq filename (expand-file-name filename)
 493         newname (expand-file-name newname))
 494   (tramp-with-progress-reporter
 495       (tramp-dissect-file-name (if (file-remote-p filename) filename newname))
 496       0 (format "Copying %s to %s" filename newname)
 497
 498     (if (file-directory-p filename)
 499         (tramp-compat-copy-directory filename newname keep-date t t)
 500
 501       (let ((tmpfile (file-local-copy filename)))
 502         (if tmpfile
 503             ;; Remote filename.
 504             (condition-case err
 505                 (rename-file tmpfile newname ok-if-already-exists)
 506               ((error quit)
 507                (delete-file tmpfile)
 508                (signal (car err) (cdr err))))
 509
 510           ;; Remote newname.
 511           (when (file-directory-p newname)
 512             (setq newname
 513                   (expand-file-name (file-name-nondirectory filename) newname)))
 514
 515           (with-parsed-tramp-file-name newname nil
 516             (when (and (not ok-if-already-exists)
 517                        (file-exists-p newname))
 518               (tramp-error v 'file-already-exists newname))
 519
 520             ;; We must also flush the cache of the directory, because
 521             ;; `file-attributes' reads the values from there.
 522             (tramp-flush-file-property v (file-name-directory localname))
 523             (tramp-flush-file-property v localname)
 524             (unless (tramp-smb-get-share v)
 525               (tramp-error
 526                v 'file-error "Target `%s' must contain a share name" newname))
 527             (unless (tramp-smb-send-command
 528                      v (format "put \"%s\" \"%s\""
 529                                filename (tramp-smb-get-localname v)))
 530               (tramp-error v 'file-error "Cannot copy `%s'" filename))))))
 531
 532     ;; KEEP-DATE handling.
 533     (when keep-date
 534       (set-file-times newname (nth 5 (file-attributes filename))))))
 535
 536 (defun tramp-smb-handle-delete-directory (directory &optional recursive)
 537   "Like `delete-directory' for Tramp files."
 538   (setq directory (directory-file-name (expand-file-name directory)))
 539   (when (file-exists-p directory)
 540     (if recursive
 541         (mapc
 542          (lambda (file)
 543            (if (file-directory-p file)
 544                (tramp-compat-delete-directory file recursive)
 545              (delete-file file)))
 546          ;; We do not want to delete "." and "..".
 547          (directory-files
 548           directory 'full "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")))
 549
 550     (with-parsed-tramp-file-name directory nil
 551       ;; We must also flush the cache of the directory, because
 552       ;; `file-attributes' reads the values from there.
 553       (tramp-flush-file-property v (file-name-directory localname))
 554       (tramp-flush-directory-property v localname)
 555       (unless (tramp-smb-send-command
 556                v (format
 557                   "%s \"%s\""
 558                   (if (tramp-smb-get-cifs-capabilities v) "posix_rmdir" "rmdir")
 559                   (tramp-smb-get-localname v)))
 560         ;; Error.
 561         (with-current-buffer (tramp-get-connection-buffer v)
 562           (goto-char (point-min))
 563           (search-forward-regexp tramp-smb-errors nil t)
 564           (tramp-error
 565            v 'file-error "%s `%s'" (match-string 0) directory))))))
 566
 567 (defun tramp-smb-handle-delete-file (filename &optional trash)
 568   "Like `delete-file' for Tramp files."
 569   (setq filename (expand-file-name filename))
 570   (when (file-exists-p filename)
 571     (with-parsed-tramp-file-name filename nil
 572       ;; We must also flush the cache of the directory, because
 573       ;; `file-attributes' reads the values from there.
 574       (tramp-flush-file-property v (file-name-directory localname))
 575       (tramp-flush-file-property v localname)
 576       (unless (tramp-smb-send-command
 577                v (format
 578                   "%s \"%s\""
 579                   (if (tramp-smb-get-cifs-capabilities v) "posix_unlink" "rm")
 580                   (tramp-smb-get-localname v)))
 581         ;; Error.
 582         (with-current-buffer (tramp-get-connection-buffer v)
 583           (goto-char (point-min))
 584           (search-forward-regexp tramp-smb-errors nil t)
 585           (tramp-error
 586            v 'file-error "%s `%s'" (match-string 0) filename))))))
 587
 588 (defun tramp-smb-handle-directory-files
 589   (directory &optional full match nosort)
 590   "Like `directory-files' for Tramp files."
 591   (let ((result (mapcar 'directory-file-name
 592                         (file-name-all-completions "" directory))))
 593     ;; Discriminate with regexp.
 594     (when match
 595       (setq result
 596             (delete nil
 597                     (mapcar (lambda (x) (when (string-match match x) x))
 598                             result))))
 599     ;; Append directory.
 600     (when full
 601       (setq result
 602             (mapcar
 603              (lambda (x) (expand-file-name x directory))
 604              result)))
 605     ;; Sort them if necessary.
 606     (unless nosort (setq result (sort result 'string-lessp)))
 607     ;; That's it.
 608     result))
 609
 610 (defun tramp-smb-handle-expand-file-name (name &optional dir)
 611   "Like `expand-file-name' for Tramp files."
 612   ;; If DIR is not given, use DEFAULT-DIRECTORY or "/".
 613   (setq dir (or dir default-directory "/"))
 614   ;; Unless NAME is absolute, concat DIR and NAME.
 615   (unless (file-name-absolute-p name)
 616     (setq name (concat (file-name-as-directory dir) name)))
 617   ;; If NAME is not a Tramp file, run the real handler.
 618   (if (not (tramp-tramp-file-p name))
 619       (tramp-run-real-handler 'expand-file-name (list name nil))
 620     ;; Dissect NAME.
 621     (with-parsed-tramp-file-name name nil
 622       ;; Tilde expansion if necessary.  We use the user name as share,
 623       ;; which is often the case in domains.
 624       (when (string-match "\\`/?~\\([^/]*\\)" localname)
 625         (setq localname
 626               (replace-match
 627                (if (zerop (length (match-string 1 localname)))
 628                    (tramp-file-name-real-user v)
 629                  (match-string 1 localname))
 630                nil nil localname)))
 631       ;; Make the file name absolute.
 632       (unless (tramp-run-real-handler 'file-name-absolute-p (list localname))
 633         (setq localname (concat "/" localname)))
 634       ;; No tilde characters in file name, do normal
 635       ;; `expand-file-name' (this does "/./" and "/../").
 636       (tramp-make-tramp-file-name
 637        method user host
 638        (tramp-run-real-handler 'expand-file-name (list localname))))))
 639
 640 (defun tramp-smb-handle-file-attributes (filename &optional id-format)
 641   "Like `file-attributes' for Tramp files."
 642   (unless id-format (setq id-format 'integer))
 643   (ignore-errors
 644     (with-parsed-tramp-file-name filename nil
 645       (with-file-property v localname (format "file-attributes-%s" id-format)
 646         (if (and (tramp-smb-get-share v) (tramp-smb-get-stat-capability v))
 647             (tramp-smb-do-file-attributes-with-stat v id-format)
 648           ;; Reading just the filename entry via "dir localname" is not
 649           ;; possible, because when filename is a directory, some
 650           ;; smbclient versions return the content of the directory, and
 651           ;; other versions don't.  Therefore, the whole content of the
 652           ;; upper directory is retrieved, and the entry of the filename
 653           ;; is extracted from.
 654           (let* ((entries (tramp-smb-get-file-entries
 655                            (file-name-directory filename)))
 656                  (entry (assoc (file-name-nondirectory filename) entries))
 657                  (uid (if (equal id-format 'string) "nobody" -1))
 658                  (gid (if (equal id-format 'string) "nogroup" -1))
 659                  (inode (tramp-get-inode v))
 660                  (device (tramp-get-device v)))
 661
 662             ;; Check result.
 663             (when entry
 664               (list (and (string-match "d" (nth 1 entry))
 665                          t)        ;0 file type
 666                     -1             ;1 link count
 667                     uid            ;2 uid
 668                     gid            ;3 gid
 669                     '(0 0)         ;4 atime
 670                     (nth 3 entry)  ;5 mtime
 671                     '(0 0)         ;6 ctime
 672                     (nth 2 entry)  ;7 size
 673                     (nth 1 entry)  ;8 mode
 674                     nil            ;9 gid weird
 675                     inode          ;10 inode number
 676                     device)))))))) ;11 file system number
 677
 678 (defun tramp-smb-do-file-attributes-with-stat (vec &optional id-format)
 679   "Implement `file-attributes' for Tramp files using stat command."
 680   (tramp-message
 681    vec 5 "file attributes with stat: %s" (tramp-file-name-localname vec))
 682   (with-current-buffer (tramp-get-connection-buffer vec)
 683     (let* (size id link uid gid atime mtime ctime mode inode)
 684       (when (tramp-smb-send-command
 685              vec (format "stat \"%s\"" (tramp-smb-get-localname vec)))
 686
 687         ;; Loop the listing.
 688         (goto-char (point-min))
 689         (unless (re-search-forward tramp-smb-errors nil t)
 690           (while (not (eobp))
 691             (cond
 692              ((looking-at
 693                "Size:\\s-+\\([0-9]+\\)\\s-+Blocks:\\s-+[0-9]+\\s-+\\(\\w+\\)")
 694               (setq size (string-to-number (match-string 1))
 695                     id (if (string-equal "directory" (match-string 2)) t
 696                          (if (string-equal "symbolic" (match-string 2)) ""))))
 697              ((looking-at
 698                "Inode:\\s-+\\([0-9]+\\)\\s-+Links:\\s-+\\([0-9]+\\)")
 699               (setq inode (string-to-number (match-string 1))
 700                     link (string-to-number (match-string 2))))
 701              ((looking-at
 702                "Access:\\s-+([0-9]+/\\(\\S-+\\))\\s-+Uid:\\s-+\\([0-9]+\\)\\s-+Gid:\\s-+\\([0-9]+\\)")
 703               (setq mode (match-string 1)
 704                     uid (if (equal id-format 'string) (match-string 2)
 705                           (string-to-number (match-string 2)))
 706                     gid (if (equal id-format 'string) (match-string 3)
 707                           (string-to-number (match-string 3)))))
 708              ((looking-at
 709                "Access:\\s-+\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)\\s-+\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)")
 710               (setq atime
 711                     (encode-time
 712                      (string-to-number (match-string 6)) ;; sec
 713                      (string-to-number (match-string 5)) ;; min
 714                      (string-to-number (match-string 4)) ;; hour
 715                      (string-to-number (match-string 3)) ;; day
 716                      (string-to-number (match-string 2)) ;; month
 717                      (string-to-number (match-string 1))))) ;; year
 718              ((looking-at
 719                "Modify:\\s-+\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)\\s-+\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)")
 720               (setq mtime
 721                     (encode-time
 722                      (string-to-number (match-string 6)) ;; sec
 723                      (string-to-number (match-string 5)) ;; min
 724                      (string-to-number (match-string 4)) ;; hour
 725                      (string-to-number (match-string 3)) ;; day
 726                      (string-to-number (match-string 2)) ;; month
 727                      (string-to-number (match-string 1))))) ;; year
 728              ((looking-at
 729                "Change:\\s-+\\([0-9]+\\)-\\([0-9]+\\)-\\([0-9]+\\)\\s-+\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)")
 730               (setq ctime
 731                     (encode-time
 732                      (string-to-number (match-string 6)) ;; sec
 733                      (string-to-number (match-string 5)) ;; min
 734                      (string-to-number (match-string 4)) ;; hour
 735                      (string-to-number (match-string 3)) ;; day
 736                      (string-to-number (match-string 2)) ;; month
 737                      (string-to-number (match-string 1)))))) ;; year
 738             (forward-line))
 739           ;; Return the result.
 740           (list id link uid gid atime mtime ctime size mode nil inode
 741                 (tramp-get-device vec)))))))
 742
 743 (defun tramp-smb-handle-file-directory-p (filename)
 744   "Like `file-directory-p' for Tramp files."
 745   (and (file-exists-p filename)
 746        (eq ?d (aref (nth 8 (file-attributes filename)) 0))))
 747
 748 (defun tramp-smb-handle-file-local-copy (filename)
 749   "Like `file-local-copy' for Tramp files."
 750   (with-parsed-tramp-file-name filename nil
 751     (unless (file-exists-p filename)
 752       (tramp-error
 753        v 'file-error
 754        "Cannot make local copy of non-existing file `%s'" filename))
 755     (let ((tmpfile (tramp-compat-make-temp-file filename)))
 756       (tramp-with-progress-reporter
 757           v 3 (format "Fetching %s to tmp file %s" filename tmpfile)
 758         (unless (tramp-smb-send-command
 759                  v (format "get \"%s\" \"%s\""
 760                            (tramp-smb-get-localname v) tmpfile))
 761           ;; Oops, an error.  We shall cleanup.
 762           (delete-file tmpfile)
 763           (tramp-error
 764            v 'file-error "Cannot make local copy of file `%s'" filename)))
 765       tmpfile)))
 766
 767 ;; This function should return "foo/" for directories and "bar" for
 768 ;; files.
 769 (defun tramp-smb-handle-file-name-all-completions (filename directory)
 770   "Like `file-name-all-completions' for Tramp files."
 771   (all-completions
 772    filename
 773    (with-parsed-tramp-file-name directory nil
 774      (with-file-property v localname "file-name-all-completions"
 775        (save-match-data
 776          (let ((entries (tramp-smb-get-file-entries directory)))
 777            (mapcar
 778             (lambda (x)
 779               (list
 780                (if (string-match "d" (nth 1 x))
 781                    (file-name-as-directory (nth 0 x))
 782                  (nth 0 x))))
 783             entries)))))))
 784
 785 (defun tramp-smb-handle-file-writable-p (filename)
 786   "Like `file-writable-p' for Tramp files."
 787   (if (file-exists-p filename)
 788       (string-match "w" (or (nth 8 (file-attributes filename)) ""))
 789     (let ((dir (file-name-directory filename)))
 790       (and (file-exists-p dir)
 791            (file-writable-p dir)))))
 792
 793 (defun tramp-smb-handle-insert-directory
 794   (filename switches &optional wildcard full-directory-p)
 795   "Like `insert-directory' for Tramp files."
 796   (setq filename (expand-file-name filename))
 797   (if full-directory-p
 798       ;; Called from `dired-add-entry'.
 799       (setq filename (file-name-as-directory filename))
 800     (setq filename (directory-file-name filename)))
 801   (with-parsed-tramp-file-name filename nil
 802     (save-match-data
 803       (let ((base (file-name-nondirectory filename))
 804             ;; We should not destroy the cache entry.
 805             (entries (copy-sequence
 806                       (tramp-smb-get-file-entries
 807                        (file-name-directory filename)))))
 808
 809         (when wildcard
 810           (string-match "\\." base)
 811           (setq base (replace-match "\\\\." nil nil base))
 812           (string-match "\\*" base)
 813           (setq base (replace-match ".*" nil nil base))
 814           (string-match "\\?" base)
 815           (setq base (replace-match ".?" nil nil base)))
 816
 817         ;; Filter entries.
 818         (setq entries
 819               (delq
 820                nil
 821                (if (or wildcard (zerop (length base)))
 822                    ;; Check for matching entries.
 823                    (mapcar
 824                     (lambda (x)
 825                       (when (string-match
 826                              (format "^%s" base) (nth 0 x))
 827                         x))
 828                     entries)
 829                  ;; We just need the only and only entry FILENAME.
 830                  (list (assoc base entries)))))
 831
 832         ;; Sort entries.
 833         (setq entries
 834               (sort
 835                entries
 836                (lambda (x y)
 837                  (if (string-match "t" switches)
 838                      ;; Sort by date.
 839                      (tramp-time-less-p (nth 3 y) (nth 3 x))
 840                    ;; Sort by name.
 841                    (string-lessp (nth 0 x) (nth 0 y))))))
 842
 843         ;; Handle "-F" switch.
 844         (when (string-match "F" switches)
 845           (mapc
 846            (lambda (x)
 847              (when (not (zerop (length (car x))))
 848                (cond
 849                 ((char-equal ?d (string-to-char (nth 1 x)))
 850                  (setcar x (concat (car x) "/")))
 851                 ((char-equal ?x (string-to-char (nth 1 x)))
 852                  (setcar x (concat (car x) "*"))))))
 853            entries))
 854
 855         ;; Print entries.
 856         (mapc
 857          (lambda (x)
 858            (when (not (zerop (length (nth 0 x))))
 859              (let ((attr
 860                     (when (tramp-smb-get-stat-capability v)
 861                       (ignore-errors
 862                         (file-attributes filename 'string)))))
 863                (insert
 864                 (format
 865                  "%10s %3d %-8s %-8s %8s %s "
 866                  (or (nth 8 attr) (nth 1 x)) ; mode
 867                  (or (nth 1 attr) 1) ; inode
 868                  (or (nth 2 attr) "nobody") ; uid
 869                  (or (nth 3 attr) "nogroup") ; gid
 870                  (or (nth 7 attr) (nth 2 x)) ; size
 871                  (format-time-string
 872                   (if (tramp-time-less-p
 873                        (tramp-time-subtract (current-time) (nth 3 x))
 874                        tramp-half-a-year)
 875                       "%b %e %R"
 876                     "%b %e  %Y")
 877                   (nth 3 x)))) ; date
 878                ;; We mark the file name.  The inserted name could be
 879                ;; from somewhere else, so we use the relative file
 880                ;; name of `default-directory'.
 881                (let ((start (point)))
 882                  (insert
 883                   (format
 884                    "%s\n"
 885                    (file-relative-name
 886                     (expand-file-name
 887                      (nth 0 x) (file-name-directory filename)))))
 888                  (put-text-property start (1- (point)) 'dired-filename t))
 889                (forward-line)
 890                (beginning-of-line))))
 891          entries)))))
 892
 893 (defun tramp-smb-handle-make-directory (dir &optional parents)
 894   "Like `make-directory' for Tramp files."
 895   (setq dir (directory-file-name (expand-file-name dir)))
 896   (unless (file-name-absolute-p dir)
 897     (setq dir (expand-file-name dir default-directory)))
 898   (with-parsed-tramp-file-name dir nil
 899     (save-match-data
 900       (let* ((ldir (file-name-directory dir)))
 901         ;; Make missing directory parts.
 902         (when (and parents
 903                    (tramp-smb-get-share v)
 904                    (not (file-directory-p ldir)))
 905           (make-directory ldir parents))
 906         ;; Just do it.
 907         (when (file-directory-p ldir)
 908           (make-directory-internal dir))
 909         (unless (file-directory-p dir)
 910           (tramp-error v 'file-error "Couldn't make directory %s" dir))))))
 911
 912 (defun tramp-smb-handle-make-directory-internal (directory)
 913   "Like `make-directory-internal' for Tramp files."
 914   (setq directory (directory-file-name (expand-file-name directory)))
 915   (unless (file-name-absolute-p directory)
 916     (setq directory (expand-file-name directory default-directory)))
 917   (with-parsed-tramp-file-name directory nil
 918     (save-match-data
 919       (let* ((file (tramp-smb-get-localname v)))
 920         (when (file-directory-p (file-name-directory directory))
 921           (tramp-smb-send-command
 922            v
 923            (if (tramp-smb-get-cifs-capabilities v)
 924                (format
 925                 "posix_mkdir \"%s\" %s"
 926                 file (tramp-compat-decimal-to-octal (default-file-modes)))
 927              (format "mkdir \"%s\"" file)))
 928           ;; We must also flush the cache of the directory, because
 929           ;; `file-attributes' reads the values from there.
 930           (tramp-flush-file-property v (file-name-directory localname))
 931           (tramp-flush-file-property v localname))
 932         (unless (file-directory-p directory)
 933           (tramp-error
 934            v 'file-error "Couldn't make directory %s" directory))))))
 935
 936 (defun tramp-smb-handle-make-symbolic-link
 937   (filename linkname &optional ok-if-already-exists)
 938   "Like `make-symbolic-link' for Tramp files.
 939 If LINKNAME is a non-Tramp file, it is used verbatim as the target of
 940 the symlink.  If LINKNAME is a Tramp file, only the localname component is
 941 used as the target of the symlink.
 942
 943 If LINKNAME is a Tramp file and the localname component is relative, then
 944 it is expanded first, before the localname component is taken.  Note that
 945 this can give surprising results if the user/host for the source and
 946 target of the symlink differ."
 947   (unless (tramp-equal-remote filename linkname)
 948     (with-parsed-tramp-file-name
 949         (if (tramp-tramp-file-p filename) filename linkname) nil
 950       (tramp-error
 951        v 'file-error
 952        "make-symbolic-link: %s"
 953        "only implemented for same method, same user, same host")))
 954   (with-parsed-tramp-file-name filename v1
 955     (with-parsed-tramp-file-name linkname v2
 956       (when (file-directory-p filename)
 957         (tramp-error
 958          v2 'file-error
 959          "make-symbolic-link: %s must not be a directory" filename))
 960       (when (and (not ok-if-already-exists)
 961                  (file-exists-p linkname)
 962                  (not (numberp ok-if-already-exists))
 963                  (y-or-n-p
 964                   (format
 965                    "File %s already exists; make it a new name anyway? "
 966                    linkname)))
 967         (tramp-error
 968          v2 'file-error
 969          "make-symbolic-link: file %s already exists" linkname))
 970       (unless (tramp-smb-get-cifs-capabilities v1)
 971         (tramp-error v2 'file-error "make-symbolic-link not supported"))
 972       ;; We must also flush the cache of the directory, because
 973       ;; `file-attributes' reads the values from there.
 974       (tramp-flush-file-property v2 (file-name-directory v2-localname))
 975       (tramp-flush-file-property v2 v2-localname)
 976       (unless
 977           (tramp-smb-send-command
 978            v1
 979            (format
 980             "symlink \"%s\" \"%s\""
 981             (tramp-smb-get-localname v1)
 982             (tramp-smb-get-localname v2)))
 983         (tramp-error
 984          v2 'file-error
 985          "error with make-symbolic-link, see buffer `%s' for details"
 986          (buffer-name))))))
 987
 988 (defun tramp-smb-handle-process-file
 989   (program &optional infile destination display &rest args)
 990   "Like `process-file' for Tramp files."
 991   ;; The implementation is not complete yet.
 992   (when (and (numberp destination) (zerop destination))
 993     (error "Implementation does not handle immediate return"))
 994
 995   (with-parsed-tramp-file-name default-directory nil
 996     (let* ((name (file-name-nondirectory program))
 997            (name1 name)
 998            (i 0)
 999            input tmpinput outbuf command ret)
1000
1001       ;; Determine input.
1002       (when infile
1003         (setq infile (expand-file-name infile))
1004         (if (tramp-equal-remote default-directory infile)
1005             ;; INFILE is on the same remote host.
1006             (setq input (with-parsed-tramp-file-name infile nil localname))
1007           ;; INFILE must be copied to remote host.
1008           (setq input (tramp-make-tramp-temp-file v)
1009                 tmpinput (tramp-make-tramp-file-name method user host input))
1010           (copy-file infile tmpinput t))
1011         ;; Transform input into a filename powershell does understand.
1012         (setq input (format "//%s%s" host input)))
1013
1014       ;; Determine output.
1015       (cond
1016        ;; Just a buffer.
1017        ((bufferp destination)
1018         (setq outbuf destination))
1019        ;; A buffer name.
1020        ((stringp destination)
1021         (setq outbuf (get-buffer-create destination)))
1022        ;; (REAL-DESTINATION ERROR-DESTINATION)
1023        ((consp destination)
1024         ;; output.
1025         (cond
1026          ((bufferp (car destination))
1027           (setq outbuf (car destination)))
1028          ((stringp (car destination))
1029           (setq outbuf (get-buffer-create (car destination))))
1030          ((car destination)
1031           (setq outbuf (current-buffer))))
1032         ;; stderr.
1033         (tramp-message v 2 "%s" "STDERR not supported"))
1034        ;; 't
1035        (destination
1036         (setq outbuf (current-buffer))))
1037
1038       ;; Construct command.
1039       (setq command (mapconcat 'identity (cons program args) " ")
1040             command (if input
1041                         (format
1042                          "get-content %s | & %s"
1043                          (tramp-smb-shell-quote-argument input) command)
1044                       (format "& %s" command)))
1045
1046       (while (get-process name1)
1047         ;; NAME must be unique as process name.
1048         (setq i (1+ i)
1049               name1 (format "%s<%d>" name i)))
1050
1051       ;; Set the new process properties.
1052       (tramp-set-connection-property v "process-name" name1)
1053       (tramp-set-connection-property
1054        v "process-buffer"
1055        (or outbuf (generate-new-buffer tramp-temp-buffer-name)))
1056
1057       ;; Call it.
1058       (condition-case nil
1059           (with-current-buffer (tramp-get-connection-buffer v)
1060             ;; Preserve buffer contents.
1061             (narrow-to-region (point-max) (point-max))
1062             (tramp-smb-call-winexe v)
1063             (when (tramp-smb-get-share v)
1064               (tramp-smb-send-command
1065                v (format "cd \"//%s%s\"" host (file-name-directory localname))))
1066             (tramp-smb-send-command v command)
1067             ;; Preserve command output.
1068             (narrow-to-region (point-max) (point-max))
1069             (let ((p (tramp-get-connection-process v)))
1070               (tramp-smb-send-command v "exit $lasterrorcode")
1071               (while (memq (process-status p) '(run open))
1072                 (sleep-for 0.1)
1073                 (setq ret (process-exit-status p))))
1074             (delete-region (point-min) (point-max))
1075             (widen))
1076
1077         ;; When the user did interrupt, we should do it also.  We use
1078         ;; return code -1 as marker.
1079         (quit
1080          (setq ret -1))
1081         ;; Handle errors.
1082         (error
1083          (setq ret 1)))
1084
1085       ;; We should show the output anyway.
1086       (when (and outbuf display) (display-buffer outbuf))
1087
1088       ;; Cleanup.  We remove all file cache values for the connection,
1089       ;; because the remote process could have changed them.
1090       (tramp-set-connection-property v "process-name" nil)
1091       (tramp-set-connection-property v "process-buffer" nil)
1092       (when tmpinput (delete-file tmpinput))
1093       (unless outbuf
1094         (kill-buffer (tramp-get-connection-property v "process-buffer" nil)))
1095
1096       ;; `process-file-side-effects' has been introduced with GNU
1097       ;; Emacs 23.2.  If set to `nil', no remote file will be changed
1098       ;; by `program'.  If it doesn't exist, we assume its default
1099       ;; value `t'.
1100       (unless (and (boundp 'process-file-side-effects)
1101                    (not (symbol-value 'process-file-side-effects)))
1102         (tramp-flush-directory-property v ""))
1103
1104       ;; Return exit status.
1105       (if (equal ret -1)
1106           (keyboard-quit)
1107         ret))))
1108
1109 (defun tramp-smb-handle-rename-file
1110   (filename newname &optional ok-if-already-exists)
1111   "Like `rename-file' for Tramp files."
1112   (setq filename (expand-file-name filename)
1113         newname (expand-file-name newname))
1114
1115   (when (and (not ok-if-already-exists)
1116              (file-exists-p newname))
1117     (tramp-error
1118      (tramp-dissect-file-name
1119       (if (file-remote-p filename) filename newname))
1120      'file-already-exists newname))
1121
1122   (tramp-with-progress-reporter
1123       (tramp-dissect-file-name (if (file-remote-p filename) filename newname))
1124       0 (format "Renaming %s to %s" filename newname)
1125
1126     (if (and (tramp-equal-remote filename newname)
1127              (string-equal
1128               (tramp-smb-get-share (tramp-dissect-file-name filename))
1129               (tramp-smb-get-share (tramp-dissect-file-name newname))))
1130         ;; We can rename directly.
1131         (with-parsed-tramp-file-name filename v1
1132           (with-parsed-tramp-file-name newname v2
1133
1134             ;; We must also flush the cache of the directory, because
1135             ;; `file-attributes' reads the values from there.
1136             (tramp-flush-file-property v2 (file-name-directory v2-localname))
1137             (tramp-flush-file-property v2 v2-localname)
1138             (unless (tramp-smb-get-share v2)
1139               (tramp-error
1140                v2 'file-error "Target `%s' must contain a share name" newname))
1141             (unless (tramp-smb-send-command
1142                      v2 (format "rename \"%s\" \"%s\""
1143                                 (tramp-smb-get-localname v1)
1144                                 (tramp-smb-get-localname v2)))
1145               (tramp-error v2 'file-error "Cannot rename `%s'" filename))))
1146
1147       ;; We must rename via copy.
1148       (tramp-compat-copy-file filename newname ok-if-already-exists t t t)
1149       (if (file-directory-p filename)
1150           (tramp-compat-delete-directory filename 'recursive)
1151         (delete-file filename)))))
1152
1153 (defun tramp-smb-handle-set-file-modes (filename mode)
1154   "Like `set-file-modes' for Tramp files."
1155   (with-parsed-tramp-file-name filename nil
1156     (when (tramp-smb-get-cifs-capabilities v)
1157       (tramp-flush-file-property v localname)
1158       (unless (tramp-smb-send-command
1159                v (format "chmod \"%s\" %s"
1160                          (tramp-smb-get-localname v)
1161                          (tramp-compat-decimal-to-octal mode)))
1162         (tramp-error
1163          v 'file-error "Error while changing file's mode %s" filename)))))
1164
1165 ;; We use BUFFER also as connection buffer during setup. Because of
1166 ;; this, its original contents must be saved, and restored once
1167 ;; connection has been setup.
1168 (defun tramp-smb-handle-start-file-process (name buffer program &rest args)
1169   "Like `start-file-process' for Tramp files."
1170   (with-parsed-tramp-file-name default-directory nil
1171     (let ((command (mapconcat 'identity (cons program args) " "))
1172           (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
1173           (name1 name)
1174           (i 0))
1175       (unwind-protect
1176           (save-excursion
1177             (save-restriction
1178               (unless buffer
1179                 ;; BUFFER can be nil.  We use a temporary buffer.
1180                 (setq buffer (generate-new-buffer tramp-temp-buffer-name)))
1181               (while (get-process name1)
1182                 ;; NAME must be unique as process name.
1183                 (setq i (1+ i)
1184                       name1 (format "%s<%d>" name i)))
1185               ;; Set the new process properties.
1186               (tramp-set-connection-property v "process-name" name1)
1187               (tramp-set-connection-property v "process-buffer" buffer)
1188               ;; Activate narrowing in order to save BUFFER contents.
1189               (with-current-buffer (tramp-get-connection-buffer v)
1190                 (let ((buffer-undo-list t))
1191                   (narrow-to-region (point-max) (point-max))
1192                   (tramp-smb-call-winexe v)
1193                   (when (tramp-smb-get-share v)
1194                     (tramp-smb-send-command
1195                      v (format
1196                         "cd \"//%s%s\""
1197                         host (file-name-directory localname))))
1198                   (tramp-message v 6 "(%s); exit" command)
1199                   (tramp-send-string v command)))
1200               ;; Return value.
1201               (tramp-get-connection-process v)))
1202
1203         ;; Save exit.
1204         (with-current-buffer (tramp-get-connection-buffer v)
1205           (if (string-match tramp-temp-buffer-name (buffer-name))
1206               (progn
1207                 (set-process-buffer (tramp-get-connection-process v) nil)
1208                 (kill-buffer (current-buffer)))
1209             (set-buffer-modified-p bmp)))
1210         (tramp-set-connection-property v "process-name" nil)
1211         (tramp-set-connection-property v "process-buffer" nil)))))
1212
1213 (defun tramp-smb-handle-substitute-in-file-name (filename)
1214   "Like `handle-substitute-in-file-name' for Tramp files.
1215 \"//\" substitutes only in the local filename part.  Catches
1216 errors for shares like \"C$/\", which are common in Microsoft Windows."
1217   (with-parsed-tramp-file-name filename nil
1218     ;; Ignore in LOCALNAME everything before "//".
1219     (when (and (stringp localname) (string-match ".+?/\\(/\\|~\\)" localname))
1220       (setq filename
1221             (concat (file-remote-p filename)
1222                     (replace-match "\\1" nil nil localname)))))
1223   (condition-case nil
1224       (tramp-run-real-handler 'substitute-in-file-name (list filename))
1225     (error filename)))
1226
1227 (defun tramp-smb-handle-write-region
1228   (start end filename &optional append visit lockname confirm)
1229   "Like `write-region' for Tramp files."
1230   (setq filename (expand-file-name filename))
1231   (with-parsed-tramp-file-name filename nil
1232     (unless (eq append nil)
1233       (tramp-error
1234          v 'file-error "Cannot append to file using Tramp (`%s')" filename))
1235     ;; XEmacs takes a coding system as the seventh argument, not `confirm'.
1236     (when (and (not (featurep 'xemacs))
1237                confirm (file-exists-p filename))
1238       (unless (y-or-n-p (format "File %s exists; overwrite anyway? "
1239                                 filename))
1240         (tramp-error v 'file-error "File not overwritten")))
1241     ;; We must also flush the cache of the directory, because
1242     ;; `file-attributes' reads the values from there.
1243     (tramp-flush-file-property v (file-name-directory localname))
1244     (tramp-flush-file-property v localname)
1245     (let ((curbuf (current-buffer))
1246           (tmpfile (tramp-compat-make-temp-file filename)))
1247       ;; We say `no-message' here because we don't want the visited file
1248       ;; modtime data to be clobbered from the temp file.  We call
1249       ;; `set-visited-file-modtime' ourselves later on.
1250       (tramp-run-real-handler
1251        'write-region
1252        (if confirm ; don't pass this arg unless defined for backward compat.
1253            (list start end tmpfile append 'no-message lockname confirm)
1254          (list start end tmpfile append 'no-message lockname)))
1255
1256       (tramp-with-progress-reporter
1257           v 3 (format "Moving tmp file %s to %s" tmpfile filename)
1258         (unwind-protect
1259             (unless (tramp-smb-send-command
1260                      v (format "put %s \"%s\""
1261                                tmpfile (tramp-smb-get-localname v)))
1262               (tramp-error v 'file-error "Cannot write `%s'" filename))
1263           (delete-file tmpfile)))
1264
1265       (unless (equal curbuf (current-buffer))
1266         (tramp-error
1267          v 'file-error
1268          "Buffer has changed from `%s' to `%s'" curbuf (current-buffer)))
1269       (when (eq visit t)
1270         (set-visited-file-modtime)))))
1271
1272
1273 ;; Internal file name functions.
1274
1275 (defun tramp-smb-get-share (vec)
1276   "Returns the share name of LOCALNAME."
1277   (save-match-data
1278     (let ((localname (tramp-file-name-localname vec)))
1279       (when (string-match "^/?\\([^/]+\\)/" localname)
1280         (match-string 1 localname)))))
1281
1282 (defun tramp-smb-get-localname (vec)
1283   "Returns the file name of LOCALNAME.
1284 If VEC has no cifs capabilities, exchange \"/\" by \"\\\\\"."
1285   (save-match-data
1286     (let ((localname (tramp-file-name-localname vec)))
1287       (setq
1288        localname
1289        (if (string-match "^/?[^/]+\\(/.*\\)" localname)
1290            ;; There is a share, separated by "/".
1291            (if (not (tramp-smb-get-cifs-capabilities vec))
1292                (mapconcat
1293                 (lambda (x) (if (equal x ?/) "\\" (char-to-string x)))
1294                 (match-string 1 localname) "")
1295              (match-string 1 localname))
1296          ;; There is just a share.
1297          (if (string-match "^/?\\([^/]+\\)$" localname)
1298              (match-string 1 localname)
1299            "")))
1300
1301       ;; Sometimes we have discarded `substitute-in-file-name'.
1302       (when (string-match "\\(\\$\\$\\)\\(/\\|$\\)" localname)
1303         (setq localname (replace-match "$" nil nil localname 1)))
1304
1305       localname)))
1306
1307 ;; Share names of a host are cached. It is very unlikely that the
1308 ;; shares do change during connection.
1309 (defun tramp-smb-get-file-entries (directory)
1310   "Read entries which match DIRECTORY.
1311 Either the shares are listed, or the `dir' command is executed.
1312 Result is a list of (LOCALNAME MODE SIZE MONTH DAY TIME YEAR)."
1313   (with-parsed-tramp-file-name (file-name-as-directory directory) nil
1314     (setq localname (or localname "/"))
1315     (with-file-property v localname "file-entries"
1316       (with-current-buffer (tramp-get-connection-buffer v)
1317         (let* ((share (tramp-smb-get-share v))
1318                (cache (tramp-get-connection-property v "share-cache" nil))
1319                res entry)
1320
1321           (if (and (not share) cache)
1322               ;; Return cached shares.
1323               (setq res cache)
1324
1325             ;; Read entries.
1326             (if share
1327                 (tramp-smb-send-command
1328                  v (format "dir \"%s*\"" (tramp-smb-get-localname v)))
1329               ;; `tramp-smb-maybe-open-connection' lists also the share names.
1330               (tramp-smb-maybe-open-connection v))
1331
1332             ;; Loop the listing.
1333             (goto-char (point-min))
1334             (if (re-search-forward tramp-smb-errors nil t)
1335                 (tramp-error v 'file-error "%s `%s'" (match-string 0) directory)
1336               (while (not (eobp))
1337                 (setq entry (tramp-smb-read-file-entry share))
1338                 (forward-line)
1339                 (when entry (add-to-list 'res entry))))
1340
1341             ;; Cache share entries.
1342             (unless share
1343               (tramp-set-connection-property v "share-cache" res)))
1344
1345           ;; Add directory itself.
1346           (add-to-list 'res '("" "drwxrwxrwx" 0 (0 0)))
1347
1348           ;; There's a very strange error (debugged with XEmacs 21.4.14)
1349           ;; If there's no short delay, it returns nil.  No idea about.
1350           (when (featurep 'xemacs) (sleep-for 0.01))
1351
1352           ;; Return entries.
1353           (delq nil res))))))
1354
1355 ;; Return either a share name (if SHARE is nil), or a file name.
1356 ;;
1357 ;; If shares are listed, the following format is expected:
1358 ;;
1359 ;; Disk|                                  - leading spaces
1360 ;; [^|]+|                                 - share name, 14 char
1361 ;; .*                                     - comment
1362 ;;
1363 ;; Entries provided by smbclient DIR aren't fully regular.
1364 ;; They should have the format
1365 ;;
1366 ;; \s-\{2,2}                              - leading spaces
1367 ;; \S-\(.*\S-\)\s-*                       - file name, 30 chars, left bound
1368 ;; \s-+[ADHRSV]*                          - permissions, 7 chars, right bound
1369 ;; \s-                                    - space delimiter
1370 ;; \s-+[0-9]+                             - size, 8 chars, right bound
1371 ;; \s-\{2,2\}                             - space delimiter
1372 ;; \w\{3,3\}                              - weekday
1373 ;; \s-                                    - space delimiter
1374 ;; \w\{3,3\}                              - month
1375 ;; \s-                                    - space delimiter
1376 ;; [ 12][0-9]                             - day
1377 ;; \s-                                    - space delimiter
1378 ;; [0-9]\{2,2\}:[0-9]\{2,2\}:[0-9]\{2,2\} - time
1379 ;; \s-                                    - space delimiter
1380 ;; [0-9]\{4,4\}                           - year
1381 ;;
1382 ;; samba/src/client.c (http://samba.org/doxygen/samba/client_8c-source.html)
1383 ;; has function display_finfo:
1384 ;;
1385 ;;   d_printf("  %-30s%7.7s %8.0f  %s",
1386 ;;            finfo->name,
1387 ;;            attrib_string(finfo->mode),
1388 ;;            (double)finfo->size,
1389 ;;            asctime(LocalTime(&t)));
1390 ;;
1391 ;; in Samba 1.9, there's the following code:
1392 ;;
1393 ;;   DEBUG(0,("  %-30s%7.7s%10d  %s",
1394 ;;         CNV_LANG(finfo->name),
1395 ;;         attrib_string(finfo->mode),
1396 ;;         finfo->size,
1397 ;;         asctime(LocalTime(&t))));
1398 ;;
1399 ;; Problems:
1400 ;; * Modern regexp constructs, like spy groups and counted repetitions, aren't
1401 ;;   available in older Emacsen.
1402 ;; * The length of constructs (file name, size) might exceed the default.
1403 ;; * File names might contain spaces.
1404 ;; * Permissions might be empty.
1405 ;;
1406 ;; So we try to analyze backwards.
1407 (defun tramp-smb-read-file-entry (share)
1408   "Parse entry in SMB output buffer.
1409 If SHARE is result, entries are of type dir. Otherwise, shares are listed.
1410 Result is the list (LOCALNAME MODE SIZE MTIME)."
1411 ;; We are called from `tramp-smb-get-file-entries', which sets the
1412 ;; current buffer.
1413   (let ((line (buffer-substring (point) (point-at-eol)))
1414         localname mode size month day hour min sec year mtime)
1415
1416     (if (not share)
1417
1418         ;; Read share entries.
1419         (when (string-match "^Disk|\\([^|]+\\)|" line)
1420           (setq localname (match-string 1 line)
1421                 mode "dr-xr-xr-x"
1422                 size 0))
1423
1424       ;; Real listing.
1425       (block nil
1426
1427         ;; year.
1428         (if (string-match "\\([0-9]+\\)$" line)
1429             (setq year (string-to-number (match-string 1 line))
1430                   line (substring line 0 -5))
1431           (return))
1432
1433         ;; time.
1434         (if (string-match "\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)$" line)
1435             (setq hour (string-to-number (match-string 1 line))
1436                   min  (string-to-number (match-string 2 line))
1437                   sec  (string-to-number (match-string 3 line))
1438                   line (substring line 0 -9))
1439           (return))
1440
1441         ;; day.
1442         (if (string-match "\\([0-9]+\\)$" line)
1443             (setq day  (string-to-number (match-string 1 line))
1444                   line (substring line 0 -3))
1445           (return))
1446
1447         ;; month.
1448         (if (string-match "\\(\\w+\\)$" line)
1449             (setq month (match-string 1 line)
1450                   line  (substring line 0 -4))
1451           (return))
1452
1453         ;; weekday.
1454         (if (string-match "\\(\\w+\\)$" line)
1455             (setq line (substring line 0 -5))
1456           (return))
1457
1458         ;; size.
1459         (if (string-match "\\([0-9]+\\)$" line)
1460             (let ((length (- (max 10 (1+ (length (match-string 1 line)))))))
1461               (setq size (string-to-number (match-string 1 line)))
1462               (when (string-match "\\([ADHRSV]+\\)" (substring line length))
1463                 (setq length (+ length (match-end 0))))
1464               (setq line (substring line 0 length)))
1465           (return))
1466
1467         ;; mode: ARCH, DIR, HIDDEN, RONLY, SYSTEM, VOLID.
1468         (if (string-match "\\([ADHRSV]+\\)?$" line)
1469             (setq
1470              mode (or (match-string 1 line) "")
1471              mode (save-match-data (format
1472                     "%s%s"
1473                     (if (string-match "D" mode) "d" "-")
1474                     (mapconcat
1475                      (lambda (x) "") "    "
1476                      (concat "r" (if (string-match "R" mode) "-" "w") "x"))))
1477              line (substring line 0 -6))
1478           (return))
1479
1480         ;; localname.
1481         (if (string-match "^\\s-+\\(\\S-\\(.*\\S-\\)?\\)\\s-*$" line)
1482             (setq localname (match-string 1 line))
1483           (return))))
1484
1485     (when (and localname mode size)
1486       (setq mtime
1487             (if (and sec min hour day month year)
1488                 (encode-time
1489                  sec min hour day
1490                  (cdr (assoc (downcase month) tramp-parse-time-months))
1491                  year)
1492               '(0 0)))
1493       (list localname mode size mtime))))
1494
1495 (defun tramp-smb-get-cifs-capabilities (vec)
1496   "Check, whether the SMB server supports POSIX commands."
1497   ;; When we are not logged in yet, we return nil.
1498   (if (let ((p (tramp-get-connection-process vec)))
1499         (and p (processp p) (memq (process-status p) '(run open))))
1500       (with-connection-property
1501           (tramp-get-connection-process vec) "cifs-capabilities"
1502         (save-match-data
1503           (when (tramp-smb-send-command vec "posix")
1504             (with-current-buffer (tramp-get-connection-buffer vec)
1505               (goto-char (point-min))
1506               (when
1507                   (re-search-forward "Server supports CIFS capabilities" nil t)
1508                 (member
1509                  "pathnames"
1510                  (split-string
1511                   (buffer-substring (point) (point-at-eol)) nil t)))))))))
1512
1513 (defun tramp-smb-get-stat-capability (vec)
1514   "Check, whether the SMB server supports the STAT command."
1515   ;; When we are not logged in yet, we return nil.
1516   (if (let ((p (tramp-get-connection-process vec)))
1517         (and p (processp p) (memq (process-status p) '(run open))))
1518       (with-connection-property
1519           (tramp-get-connection-process vec) "stat-capability"
1520         (tramp-smb-send-command vec "stat ."))))
1521
1522
1523 ;; Connection functions.
1524
1525 (defun tramp-smb-send-command (vec command)
1526   "Send the COMMAND to connection VEC.
1527 Returns nil if there has been an error message from smbclient."
1528   (tramp-smb-maybe-open-connection vec)
1529   (tramp-message vec 6 "%s" command)
1530   (tramp-send-string vec command)
1531   (tramp-smb-wait-for-output vec))
1532
1533 (defun tramp-smb-maybe-open-connection (vec &optional argument)
1534   "Maybe open a connection to HOST, log in as USER, using `tramp-smb-program'.
1535 Does not do anything if a connection is already open, but re-opens the
1536 connection if a previous connection has died for some reason.
1537 If ARGUMENT is non-nil, use it as argument for
1538 `tramp-smb-winexe-program', and suppress any checks."
1539   (let* ((share (tramp-smb-get-share vec))
1540          (buf (tramp-get-connection-buffer vec))
1541          (p (get-buffer-process buf)))
1542
1543     ;; Check whether we still have the same smbclient version.
1544     ;; Otherwise, we must delete the connection cache, because
1545     ;; capabilities migh have changed.
1546     (unless (or argument (processp p))
1547       (let ((default-directory (tramp-compat-temporary-file-directory))
1548             (command (concat tramp-smb-program " -V")))
1549
1550         (unless tramp-smb-version
1551           (unless (executable-find tramp-smb-program)
1552             (tramp-error
1553              vec 'file-error
1554              "Cannot find command %s in %s" tramp-smb-program exec-path))
1555           (setq tramp-smb-version (shell-command-to-string command))
1556           (tramp-message vec 6 command)
1557           (tramp-message vec 6 "\n%s" tramp-smb-version)
1558           (if (string-match "[ \t\n\r]+\\'" tramp-smb-version)
1559               (setq tramp-smb-version
1560                     (replace-match "" nil nil tramp-smb-version))))
1561
1562         (unless (string-equal
1563                  tramp-smb-version
1564                  (tramp-get-connection-property
1565                   vec "smbclient-version" tramp-smb-version))
1566           (tramp-flush-directory-property vec "")
1567           (tramp-flush-connection-property vec))
1568
1569         (tramp-set-connection-property
1570          vec "smbclient-version" tramp-smb-version)))
1571
1572     ;; If too much time has passed since last command was sent, look
1573     ;; whether there has been an error message; maybe due to
1574     ;; connection timeout.
1575     (with-current-buffer buf
1576       (goto-char (point-min))
1577       (when (and (> (tramp-time-diff
1578                      (current-time)
1579                      (tramp-get-connection-property
1580                       p "last-cmd-time" '(0 0 0)))
1581                     60)
1582                  p (processp p) (memq (process-status p) '(run open))
1583                  (re-search-forward tramp-smb-errors nil t))
1584         (delete-process p)
1585         (setq p nil)))
1586
1587     ;; Check whether it is still the same share.
1588     (unless
1589         (and p (processp p) (memq (process-status p) '(run open))
1590              (or argument
1591                  (string-equal
1592                   share
1593                   (tramp-get-connection-property p "smb-share" ""))))
1594
1595       (save-match-data
1596         ;; There might be unread output from checking for share names.
1597         (when buf (with-current-buffer buf (erase-buffer)))
1598         (when (and p (processp p)) (delete-process p))
1599
1600         (let* ((user      (tramp-file-name-user vec))
1601                (host      (tramp-file-name-host vec))
1602                (real-user (tramp-file-name-real-user vec))
1603                (real-host (tramp-file-name-real-host vec))
1604                (domain    (tramp-file-name-domain vec))
1605                (port      (tramp-file-name-port vec))
1606                args)
1607
1608           (cond
1609            (argument
1610             (setq args (list (concat "//" real-host))))
1611            (share
1612             (setq args (list (concat "//" real-host "/" share))))
1613            (t
1614             (setq args (list "-g" "-L" real-host ))))
1615
1616           (if (not (zerop (length real-user)))
1617               (setq args (append args (list "-U" real-user)))
1618             (setq args (append args (list "-N"))))
1619
1620           (when domain (setq args (append args (list "-W" domain))))
1621           (when port   (setq args (append args (list "-p" port))))
1622           (when tramp-smb-conf
1623             (setq args (append args (list "-s" tramp-smb-conf))))
1624           (when argument
1625             (setq args (append args (list argument))))
1626
1627           ;; OK, let's go.
1628           (tramp-with-progress-reporter
1629               vec 3
1630               (format "Opening connection for //%s%s/%s"
1631                       (if (not (zerop (length user))) (concat user "@") "")
1632                       host (or share ""))
1633
1634             (let* ((coding-system-for-read nil)
1635                    (process-connection-type tramp-process-connection-type)
1636                    (p (let ((default-directory
1637                               (tramp-compat-temporary-file-directory)))
1638                         (apply #'start-process
1639                                (tramp-get-connection-name vec)
1640                                (tramp-get-connection-buffer vec)
1641                                (if argument
1642                                    tramp-smb-winexe-program tramp-smb-program)
1643                                args))))
1644
1645               (tramp-message
1646                vec 6 "%s" (mapconcat 'identity (process-command p) " "))
1647               (tramp-compat-set-process-query-on-exit-flag p nil)
1648
1649               ;; Set variables for computing the prompt for reading password.
1650               (setq tramp-current-method tramp-smb-method
1651                     tramp-current-user user
1652                     tramp-current-host host)
1653
1654               (condition-case err
1655                   (let (tramp-message-show-message)
1656                     ;; Play login scenario.
1657                     (tramp-process-actions
1658                      p vec nil
1659                      (if (or argument share)
1660                          tramp-smb-actions-with-share
1661                        tramp-smb-actions-without-share))
1662
1663                     ;; Check server version.
1664                     (unless argument
1665                       (with-current-buffer (tramp-get-connection-buffer vec)
1666                         (goto-char (point-min))
1667                         (search-forward-regexp tramp-smb-server-version nil t)
1668                         (let ((smbserver-version (match-string 0)))
1669                           (unless
1670                               (string-equal
1671                                smbserver-version
1672                                (tramp-get-connection-property
1673                                 vec "smbserver-version" smbserver-version))
1674                             (tramp-flush-directory-property vec "")
1675                             (tramp-flush-connection-property vec))
1676                           (tramp-set-connection-property
1677                            vec "smbserver-version" smbserver-version))))
1678
1679                     ;; Set chunksize.  Otherwise, `tramp-send-string' might
1680                     ;; try it itself.
1681                     (tramp-set-connection-property p "smb-share" share)
1682                     (tramp-set-connection-property
1683                      p "chunksize" tramp-chunksize))
1684
1685                 ;; Check for the error reason.  If it was due to wrong
1686                 ;; password, reestablish the connection.  We cannot
1687                 ;; handle this in `tramp-process-actions', because
1688                 ;; smbclient does not ask for the password, again.
1689                 (error
1690                  (with-current-buffer (tramp-get-connection-buffer vec)
1691                    (goto-char (point-min))
1692                    (if (search-forward-regexp
1693                         tramp-smb-wrong-passwd-regexp nil t)
1694                        ;; Disable `auth-source' and `password-cache'.
1695                        (let (auth-sources)
1696                          (tramp-cleanup vec)
1697                          (tramp-smb-maybe-open-connection vec argument))
1698                      ;; Propagate the error.
1699                      (signal (car err) (cdr err)))))))))))))
1700
1701 ;; We don't use timeouts.  If needed, the caller shall wrap around.
1702 (defun tramp-smb-wait-for-output (vec)
1703   "Wait for output from smbclient command.
1704 Returns nil if an error message has appeared."
1705   (with-current-buffer (tramp-get-connection-buffer vec)
1706     (let ((p (get-buffer-process (current-buffer)))
1707           (found (progn (goto-char (point-min))
1708                         (re-search-forward tramp-smb-prompt nil t)))
1709           (err   (progn (goto-char (point-min))
1710                         (re-search-forward tramp-smb-errors nil t)))
1711           buffer-read-only)
1712
1713       ;; Algorithm: get waiting output.  See if last line contains
1714       ;; `tramp-smb-prompt' sentinel or `tramp-smb-errors' strings.
1715       ;; If not, wait a bit and again get waiting output.
1716       (while (and (not found) (not err) (memq (process-status p) '(run open)))
1717
1718         ;; Accept pending output.
1719         (tramp-accept-process-output p)
1720
1721         ;; Search for prompt.
1722         (goto-char (point-min))
1723         (setq found (re-search-forward tramp-smb-prompt nil t))
1724
1725         ;; Search for errors.
1726         (goto-char (point-min))
1727         (setq err (re-search-forward tramp-smb-errors nil t)))
1728
1729       ;; When the process is still alive, read pending output.
1730       (while (and (not found) (memq (process-status p) '(run open)))
1731
1732         ;; Accept pending output.
1733         (tramp-accept-process-output p)
1734
1735         ;; Search for prompt.
1736         (goto-char (point-min))
1737         (setq found (re-search-forward tramp-smb-prompt nil t)))
1738
1739       (tramp-message vec 6 "\n%s" (buffer-string))
1740
1741       ;; Remove prompt.
1742       (when found
1743         (goto-char (point-max))
1744         (re-search-backward tramp-smb-prompt nil t)
1745         (delete-region (point) (point-max)))
1746
1747       ;; Return value is whether no error message has appeared.
1748       (not err))))
1749
1750 (defun tramp-smb-kill-winexe-function ()
1751   "Send SIGKILL to the winexe process."
1752   (ignore-errors
1753     (let ((p (get-buffer-process (current-buffer))))
1754       (when (and p (processp p) (memq (process-status p) '(run open)))
1755         (signal-process (process-id p) 'SIGINT)))))
1756
1757 (defun tramp-smb-call-winexe (vec)
1758   "Apply a remote command, if possible, using `tramp-smb-winexe-program'."
1759
1760   ;; We call `tramp-get-buffer' in order to get a debug buffer for
1761   ;; messages.
1762   (tramp-get-buffer vec)
1763
1764   ;; Check for program.
1765   (unless (let ((default-directory
1766                   (tramp-compat-temporary-file-directory)))
1767             (executable-find tramp-smb-winexe-program))
1768     (tramp-error
1769      vec 'file-error "Cannot find program: %s" tramp-smb-winexe-program))
1770
1771   ;; winexe does not supports ports.
1772   (when (tramp-file-name-port vec)
1773     (tramp-error vec 'file-error "Port not supported for remote processes"))
1774
1775   (tramp-smb-maybe-open-connection
1776    vec
1777    (format
1778     "%s %s"
1779     tramp-smb-winexe-shell-command tramp-smb-winexe-shell-command-switch))
1780
1781   (set (make-local-variable 'kill-buffer-hook)
1782        '(tramp-smb-kill-winexe-function))
1783
1784   ;; Suppress "^M".  Shouldn't we specify utf8?
1785   (set-process-coding-system (tramp-get-connection-process vec) 'raw-text-dos)
1786
1787   ;; Set width to 128.  This avoids mixing prompt and long error messages.
1788   (tramp-smb-send-command vec "$rawui = (Get-Host).UI.RawUI")
1789   (tramp-smb-send-command vec "$bufsize = $rawui.BufferSize")
1790   (tramp-smb-send-command vec "$winsize = $rawui.WindowSize")
1791   (tramp-smb-send-command vec "$bufsize.Width = 128")
1792   (tramp-smb-send-command vec "$winsize.Width = 128")
1793   (tramp-smb-send-command vec "$rawui.BufferSize = $bufsize")
1794   (tramp-smb-send-command vec "$rawui.WindowSize = $winsize"))
1795
1796 (defun tramp-smb-shell-quote-argument (s)
1797   "Similar to `shell-quote-argument', but uses windows cmd syntax."
1798   (let ((system-type 'ms-dos))
1799     (shell-quote-argument s)))
1800
1801 (add-hook 'tramp-unload-hook
1802           (lambda ()
1803             (unload-feature 'tramp-smb 'force)))
1804
1805 (provide 'tramp-smb)
1806
1807 ;;; TODO:
1808
1809 ;; * Return more comprehensive file permission string.
1810 ;; * Try to remove the inclusion of dummy "" directory.  Seems to be at
1811 ;;   several places, especially in `tramp-smb-handle-insert-directory'.
1812 ;; * Ignore case in file names.
1813
1814 ;;; tramp-smb.el ends here