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   1 ;;; tramp-adb.el --- Functions for calling Android Debug Bridge from Tramp
   2
   3 ;; Copyright (C) 2011-2013 Free Software Foundation, Inc.
   4
   5 ;; Author: Juergen Hoetzel <juergen@archlinux.org>
   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 ;; The Android Debug Bridge must be installed on your local machine.
  27 ;; Add the following form into your .emacs:
  28 ;;
  29 ;;   (setq tramp-adb-sdk-dir "/path/to/android/sdk")
  30 ;;
  31 ;; Due to security it is not possible to access non-root devices.
  32
  33 ;;; Code:
  34
  35 (require 'tramp)
  36
  37 (defvar dired-move-to-filename-regexp)
  38
  39 (defcustom tramp-adb-sdk-dir "~/Android/sdk"
  40   "Set to the directory containing the Android SDK."
  41   :type 'string
  42   :version "24.4"
  43   :group 'tramp)
  44
  45 ;;;###tramp-autoload
  46 (defconst tramp-adb-method "adb"
  47   "*When this method name is used, forward all calls to Android Debug Bridge.")
  48
  49 (defcustom tramp-adb-prompt
  50   "^\\(?:[[:alnum:]]*@[[:alnum:]]*[^#\\$]*\\)?[#\\$][[:space:]]"
  51   "Regexp used as prompt in almquist shell."
  52   :type 'string
  53   :version "24.4"
  54   :group 'tramp)
  55
  56 (defconst tramp-adb-ls-date-regexp
  57   "[[:space:]][0-9]\\{4\\}-[0-9][0-9]-[0-9][0-9][[:space:]][0-9][0-9]:[0-9][0-9][[:space:]]")
  58
  59 (defconst tramp-adb-ls-toolbox-regexp
  60   (concat
  61    "^[[:space:]]*\\([-[:alpha:]]+\\)"   ; \1 permissions
  62    "[[:space:]]*\\([^[:space:]]+\\)"    ; \2 username
  63    "[[:space:]]+\\([^[:space:]]+\\)"    ; \3 group
  64    "[[:space:]]+\\([[:digit:]]+\\)"     ; \4 size
  65    "[[:space:]]+\\([-[:digit:]]+[[:space:]][:[:digit:]]+\\)" ; \5 date
  66    "[[:space:]]+\\(.*\\)$"))            ; \6 filename
  67
  68 ;;;###tramp-autoload
  69 (add-to-list 'tramp-methods
  70              `(,tramp-adb-method
  71                (tramp-tmpdir "/data/local/tmp")))
  72
  73 ;;;###tramp-autoload
  74 (add-to-list 'tramp-default-host-alist `(,tramp-adb-method nil ""))
  75
  76 ;;;###tramp-autoload
  77 (eval-after-load 'tramp
  78   '(tramp-set-completion-function
  79     tramp-adb-method '((tramp-adb-parse-device-names ""))))
  80
  81 ;;;###tramp-autoload
  82 (add-to-list 'tramp-foreign-file-name-handler-alist
  83              (cons 'tramp-adb-file-name-p 'tramp-adb-file-name-handler))
  84
  85 (defconst tramp-adb-file-name-handler-alist
  86   '((directory-file-name . tramp-handle-directory-file-name)
  87     (dired-uncache . tramp-handle-dired-uncache)
  88     (file-name-as-directory . tramp-handle-file-name-as-directory)
  89     (file-name-completion . tramp-handle-file-name-completion)
  90     (file-name-all-completions . tramp-adb-handle-file-name-all-completions)
  91     (file-attributes . tramp-adb-handle-file-attributes)
  92     (file-name-directory . tramp-handle-file-name-directory)
  93     (file-name-nondirectory . tramp-handle-file-name-nondirectory)
  94     (file-truename . tramp-adb-handle-file-truename)
  95     (file-newer-than-file-p . tramp-handle-file-newer-than-file-p)
  96     (file-name-as-directory . tramp-handle-file-name-as-directory)
  97     (file-regular-p . tramp-handle-file-regular-p)
  98     (file-remote-p . tramp-handle-file-remote-p)
  99     (file-accessible-directory-p . tramp-handle-file-accessible-directory-p)
 100     (file-directory-p . tramp-adb-handle-file-directory-p)
 101     (file-symlink-p . tramp-handle-file-symlink-p)
 102     ;; FIXME: This is too sloppy.
 103     (file-executable-p . tramp-handle-file-exists-p)
 104     (file-exists-p . tramp-handle-file-exists-p)
 105     (file-readable-p . tramp-handle-file-exists-p)
 106     (file-writable-p . tramp-adb-handle-file-writable-p)
 107     (file-local-copy . tramp-adb-handle-file-local-copy)
 108     (file-modes . tramp-handle-file-modes)
 109     (expand-file-name . tramp-adb-handle-expand-file-name)
 110     (find-backup-file-name . tramp-handle-find-backup-file-name)
 111     (directory-files . tramp-handle-directory-files)
 112     (directory-files-and-attributes
 113      . tramp-adb-handle-directory-files-and-attributes)
 114     (make-directory . tramp-adb-handle-make-directory)
 115     (delete-directory . tramp-adb-handle-delete-directory)
 116     (delete-file . tramp-adb-handle-delete-file)
 117     (load . tramp-handle-load)
 118     (insert-directory . tramp-adb-handle-insert-directory)
 119     (insert-file-contents . tramp-handle-insert-file-contents)
 120     (substitute-in-file-name . tramp-handle-substitute-in-file-name)
 121     (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory)
 122     (vc-registered . ignore)    ;no  vc control files on Android devices
 123     (write-region . tramp-adb-handle-write-region)
 124     (set-file-modes . tramp-adb-handle-set-file-modes)
 125     (set-file-times . tramp-adb-handle-set-file-times)
 126     (copy-file . tramp-adb-handle-copy-file)
 127     (rename-file . tramp-adb-handle-rename-file)
 128     (process-file . tramp-adb-handle-process-file)
 129     (shell-command . tramp-adb-handle-shell-command)
 130     (start-file-process . tramp-adb-handle-start-file-process))
 131   "Alist of handler functions for Tramp ADB method.")
 132
 133 ;; It must be a `defsubst' in order to push the whole code into
 134 ;; tramp-loaddefs.el.  Otherwise, there would be recursive autoloading.
 135 ;;;###tramp-autoload
 136 (defsubst tramp-adb-file-name-p (filename)
 137   "Check if it's a filename for ADB."
 138   (let ((v (tramp-dissect-file-name filename)))
 139     (string= (tramp-file-name-method v) tramp-adb-method)))
 140
 141 ;;;###tramp-autoload
 142 (defun tramp-adb-file-name-handler (operation &rest args)
 143   "Invoke the ADB handler for OPERATION.
 144 First arg specifies the OPERATION, second arg is a list of arguments to
 145 pass to the OPERATION."
 146   (let ((fn (assoc operation tramp-adb-file-name-handler-alist)))
 147     (if fn
 148         (save-match-data (apply (cdr fn) args))
 149       (tramp-run-real-handler operation args))))
 150
 151 ;; This cannot be a constant, because `tramp-adb-sdk-dir' is customizable.
 152 (defun tramp-adb-program ()
 153   "The Android Debug Bridge."
 154   (expand-file-name "platform-tools/adb" tramp-adb-sdk-dir))
 155
 156 ;;;###tramp-autoload
 157 (defun tramp-adb-parse-device-names (ignore)
 158   "Return a list of (nil host) tuples allowed to access."
 159   (with-temp-buffer
 160     (when (zerop (call-process (tramp-adb-program) nil t nil "devices"))
 161       (let (result)
 162         (goto-char (point-min))
 163         (while (search-forward-regexp "^\\(\\S-+\\)[[:space:]]+device$" nil t)
 164           (add-to-list 'result (list nil (match-string 1))))
 165         result))))
 166
 167 (defun tramp-adb-handle-expand-file-name (name &optional dir)
 168   "Like `expand-file-name' for Tramp files."
 169   ;; If DIR is not given, use DEFAULT-DIRECTORY or "/".
 170   (setq dir (or dir default-directory "/"))
 171   ;; Unless NAME is absolute, concat DIR and NAME.
 172   (unless (file-name-absolute-p name)
 173     (setq name (concat (file-name-as-directory dir) name)))
 174   ;; If NAME is not a Tramp file, run the real handler.
 175   (if (not (tramp-tramp-file-p name))
 176       (tramp-run-real-handler 'expand-file-name (list name nil))
 177     ;; Dissect NAME.
 178     (with-parsed-tramp-file-name name nil
 179       (unless (tramp-run-real-handler 'file-name-absolute-p (list localname))
 180         (setq localname (concat "/" localname)))
 181       ;; Do normal `expand-file-name' (this does "/./" and "/../").
 182       ;; We bind `directory-sep-char' here for XEmacs on Windows,
 183       ;; which would otherwise use backslash.  `default-directory' is
 184       ;; bound, because on Windows there would be problems with UNC
 185       ;; shares or Cygwin mounts.
 186       (let ((directory-sep-char ?/)
 187             (default-directory (tramp-compat-temporary-file-directory)))
 188         (tramp-make-tramp-file-name
 189          method user host
 190          (tramp-drop-volume-letter
 191           (tramp-run-real-handler
 192            'expand-file-name (list localname))))))))
 193
 194 (defun tramp-adb-handle-file-directory-p (filename)
 195   "Like `file-directory-p' for Tramp files."
 196   (car (file-attributes (file-truename filename))))
 197
 198 ;; This is derived from `tramp-sh-handle-file-truename'.  Maybe the
 199 ;; code could be shared?
 200 (defun tramp-adb-handle-file-truename (filename &optional counter prev-dirs)
 201   "Like `file-truename' for Tramp files."
 202   (with-parsed-tramp-file-name (expand-file-name filename) nil
 203     (with-tramp-file-property v localname "file-truename"
 204       (let ((result nil))                       ; result steps in reverse order
 205         (tramp-message v 4 "Finding true name for `%s'" filename)
 206         (let* ((directory-sep-char ?/)
 207                (steps (tramp-compat-split-string localname "/"))
 208                (localnamedir (tramp-run-real-handler
 209                               'file-name-as-directory (list localname)))
 210                (is-dir (string= localname localnamedir))
 211                (thisstep nil)
 212                (numchase 0)
 213                ;; Don't make the following value larger than
 214                ;; necessary.  People expect an error message in a
 215                ;; timely fashion when something is wrong; otherwise
 216                ;; they might think that Emacs is hung.  Of course,
 217                ;; correctness has to come first.
 218                (numchase-limit 20)
 219                symlink-target)
 220           (while (and steps (< numchase numchase-limit))
 221             (setq thisstep (pop steps))
 222             (tramp-message
 223              v 5 "Check %s"
 224              (mapconcat 'identity
 225                         (append '("") (reverse result) (list thisstep))
 226                         "/"))
 227             (setq symlink-target
 228                   (nth 0 (file-attributes
 229                           (tramp-make-tramp-file-name
 230                            method user host
 231                            (mapconcat 'identity
 232                                       (append '("")
 233                                               (reverse result)
 234                                               (list thisstep))
 235                                       "/")))))
 236             (cond ((string= "." thisstep)
 237                    (tramp-message v 5 "Ignoring step `.'"))
 238                   ((string= ".." thisstep)
 239                    (tramp-message v 5 "Processing step `..'")
 240                    (pop result))
 241                   ((stringp symlink-target)
 242                    ;; It's a symlink, follow it.
 243                    (tramp-message v 5 "Follow symlink to %s" symlink-target)
 244                    (setq numchase (1+ numchase))
 245                    (when (file-name-absolute-p symlink-target)
 246                      (setq result nil))
 247                    ;; If the symlink was absolute, we'll get a string
 248                    ;; like "/user@host:/some/target"; extract the
 249                    ;; "/some/target" part from it.
 250                    (when (tramp-tramp-file-p symlink-target)
 251                      (unless (tramp-equal-remote filename symlink-target)
 252                        (tramp-error
 253                         v 'file-error
 254                         "Symlink target `%s' on wrong host" symlink-target))
 255                      (setq symlink-target localname))
 256                    (setq steps
 257                          (append (tramp-compat-split-string
 258                                   symlink-target "/")
 259                                  steps)))
 260                   (t
 261                    ;; It's a file.
 262                    (setq result (cons thisstep result)))))
 263           (when (>= numchase numchase-limit)
 264             (tramp-error
 265              v 'file-error
 266              "Maximum number (%d) of symlinks exceeded" numchase-limit))
 267           (setq result (reverse result))
 268           ;; Combine list to form string.
 269           (setq result
 270                 (if result
 271                     (mapconcat 'identity (cons "" result) "/")
 272                   "/"))
 273           (when (and is-dir (or (string= "" result)
 274                                 (not (string= (substring result -1) "/"))))
 275             (setq result (concat result "/"))))
 276
 277         (tramp-message v 4 "True name of `%s' is `%s'" filename result)
 278         (tramp-make-tramp-file-name method user host result)))))
 279
 280 (defun tramp-adb-handle-file-attributes (filename &optional id-format)
 281   "Like `file-attributes' for Tramp files."
 282   (unless id-format (setq id-format 'integer))
 283   (ignore-errors
 284     (with-parsed-tramp-file-name filename nil
 285       (with-tramp-file-property
 286           v localname (format "file-attributes-%s" id-format)
 287         (tramp-adb-barf-unless-okay
 288          v (format "%s -d -l %s"
 289                    (tramp-adb-get-ls-command v)
 290                    (tramp-shell-quote-argument localname)) "")
 291         (with-current-buffer (tramp-get-buffer v)
 292           (tramp-adb-sh-fix-ls-output)
 293           (cdar (tramp-do-parse-file-attributes-with-ls v id-format)))))))
 294
 295 (defun tramp-do-parse-file-attributes-with-ls (vec &optional id-format)
 296   "Parse `file-attributes' for Tramp files using the ls(1) command."
 297   (with-current-buffer (tramp-get-buffer vec)
 298     (goto-char (point-min))
 299     (let ((file-properties nil))
 300       (while (re-search-forward tramp-adb-ls-toolbox-regexp nil t)
 301         (let* ((mod-string (match-string 1))
 302                (is-dir (eq ?d (aref mod-string 0)))
 303                (is-symlink (eq ?l (aref mod-string 0)))
 304                (uid (match-string 2))
 305                (gid (match-string 3))
 306                (size (string-to-number (match-string 4)))
 307                (date (match-string 5))
 308                (name (match-string 6))
 309                (symlink-target
 310                 (and is-symlink
 311                      (cadr (split-string name "\\( -> \\|\n\\)")))))
 312           (push (list
 313                  (if is-symlink
 314                      (car (split-string name "\\( -> \\|\n\\)"))
 315                    name)
 316                  (or is-dir symlink-target)
 317                  1     ;link-count
 318                  ;; no way to handle numeric ids in Androids ash
 319                  (if (eq id-format 'integer) 0 uid)
 320                  (if (eq id-format 'integer) 0 gid)
 321                  '(0 0)                 ; atime
 322                  (date-to-time date)    ; mtime
 323                  '(0 0)                 ; ctime
 324                  size
 325                  mod-string
 326                  ;; fake
 327                  t 1
 328                  (tramp-get-device vec))
 329                 file-properties)))
 330       file-properties)))
 331
 332 (defun tramp-adb-handle-directory-files-and-attributes
 333   (directory &optional full match nosort id-format)
 334   "Like `directory-files-and-attributes' for Tramp files."
 335   (when (file-directory-p directory)
 336     (with-parsed-tramp-file-name (expand-file-name directory) nil
 337       (with-tramp-file-property
 338           v localname (format "directory-files-attributes-%s-%s-%s-%s"
 339                               full match id-format nosort)
 340         (tramp-adb-barf-unless-okay
 341          v (format "%s -a -l %s"
 342                    (tramp-adb-get-ls-command v)
 343                    (tramp-shell-quote-argument localname)) "")
 344         (with-current-buffer (tramp-get-buffer v)
 345           (tramp-adb-sh-fix-ls-output)
 346           (let ((result (tramp-do-parse-file-attributes-with-ls
 347                          v (or id-format 'integer))))
 348             (when full
 349               (setq result
 350                     (mapcar
 351                      (lambda (x)
 352                        (cons (expand-file-name (car x) directory) (cdr x)))
 353                      result)))
 354             (unless nosort
 355               (setq result
 356                     (sort result (lambda (x y) (string< (car x) (car y))))))
 357             (delq nil
 358                   (mapcar (lambda (x)
 359                             (if (or (not match) (string-match match (car x)))
 360                                 x))
 361                           result))))))))
 362
 363 (defun tramp-adb-get-ls-command (vec)
 364   (with-tramp-connection-property vec "ls"
 365     (tramp-message vec 5 "Finding a suitable `ls' command")
 366     (if (zerop (tramp-adb-command-exit-status
 367                 vec "ls --color=never -al /dev/null"))
 368         ;; On CyanogenMod based system BusyBox is used and "ls" output
 369         ;; coloring is enabled by default.  So we try to disable it
 370         ;; when possible.
 371         "ls --color=never"
 372       "ls")))
 373
 374 (defun tramp-adb-get-toolbox (vec)
 375   "Get shell toolbox implementation: `toolbox' for orginal distributions
 376 or `busybox' for CynagenMode based distributions"
 377   (with-tramp-connection-property vec "toolbox"
 378     (tramp-message vec 5 "Checking shell toolbox implementation")
 379     (cond
 380      ((zerop (tramp-adb-command-exit-status vec "busybox")) 'busybox)
 381      ((zerop (tramp-adb-command-exit-status vec "toolbox")) 'toolbox)
 382      (t 'unkown))))
 383
 384 (defun tramp-adb--gnu-switches-to-ash
 385   (switches)
 386   "Almquist shell can't handle multiple arguments.
 387 Convert (\"-al\") to (\"-a\" \"-l\").  Remove arguments like \"--dired\"."
 388   (split-string
 389    (apply 'concat
 390           (mapcar (lambda (s)
 391                     (replace-regexp-in-string
 392                      "\\(.\\)"  " -\\1"
 393                      (replace-regexp-in-string "^-" "" s)))
 394                   ;; FIXME: Warning about removed switches (long and non-dash).
 395                   (delq nil
 396                         (mapcar
 397                          (lambda (s)
 398                            (and (not (string-match "\\(^--\\|^[^-]\\)" s)) s))
 399                          switches))))))
 400
 401 (defun tramp-adb-handle-insert-directory
 402   (filename switches &optional wildcard full-directory-p)
 403   "Like `insert-directory' for Tramp files."
 404   (when (stringp switches)
 405     (setq switches (tramp-adb--gnu-switches-to-ash (split-string switches))))
 406   (with-parsed-tramp-file-name (file-truename filename) nil
 407     (with-current-buffer (tramp-get-buffer v)
 408       (let ((name (tramp-shell-quote-argument (directory-file-name localname)))
 409             (switch-d (member "-d" switches))
 410             (switch-t (member "-t" switches))
 411             (switches (mapconcat 'identity (remove "-t" switches) " ")))
 412         (tramp-adb-barf-unless-okay
 413          v (format "%s %s %s" (tramp-adb-get-ls-command v) switches name)
 414          "Cannot insert directory listing: %s" filename)
 415         (unless switch-d
 416           ;; We insert also filename/. and filename/.., because "ls" doesn't.
 417           (narrow-to-region (point) (point))
 418           (ignore-errors
 419             (tramp-adb-barf-unless-okay
 420              v (format "%s -d %s %s %s"
 421                        (tramp-adb-get-ls-command v)
 422                        switches
 423                        (concat (file-name-as-directory name) ".")
 424                        (concat (file-name-as-directory name) ".."))
 425              "Cannot insert directory listing: %s" filename))
 426           (widen))
 427         (tramp-adb-sh-fix-ls-output switch-t)))
 428     (insert-buffer-substring (tramp-get-buffer v))))
 429
 430 (defun tramp-adb-sh-fix-ls-output (&optional sort-by-time)
 431   "Insert dummy 0 in empty size columns.
 432 Androids \"ls\" command doesn't insert size column for directories:
 433 Emacs dired can't find files."
 434   (save-excursion
 435     ;; Insert missing size.
 436     (goto-char (point-min))
 437     (while
 438         (search-forward-regexp
 439          "[[:space:]]\\([[:space:]][0-9]\\{4\\}-[0-9][0-9]-[0-9][0-9][[:space:]]\\)" nil t)
 440       (replace-match "0\\1" "\\1" nil)
 441       ;; Insert missing "/".
 442       (when (looking-at "[0-9][0-9]:[0-9][0-9][[:space:]]+$")
 443         (end-of-line)
 444         (insert "/")))
 445     ;; Sort entries.
 446     (let* ((lines (split-string (buffer-string) "\n" t))
 447            (sorted-lines
 448             (sort
 449              lines
 450              (if sort-by-time
 451                  'tramp-adb-ls-output-time-less-p
 452                'tramp-adb-ls-output-name-less-p))))
 453       (delete-region (point-min) (point-max))
 454       (insert "  " (mapconcat 'identity sorted-lines "\n  ")))
 455     ;; Add final newline.
 456     (goto-char (point-max))
 457     (unless (= (point) (line-beginning-position))
 458       (insert "\n"))))
 459
 460
 461 (defun tramp-adb-ls-output-time-less-p (a b)
 462   "Sort \"ls\" output by time, descending."
 463   (let (time-a time-b)
 464     (string-match tramp-adb-ls-date-regexp a)
 465     (setq time-a (apply 'encode-time (parse-time-string (match-string 0 a))))
 466     (string-match tramp-adb-ls-date-regexp b)
 467     (setq time-b (apply 'encode-time (parse-time-string (match-string 0 b))))
 468     (time-less-p time-b time-a)))
 469
 470 (defun tramp-adb-ls-output-name-less-p (a b)
 471   "Sort \"ls\" output by name, ascending."
 472   (let (posa posb)
 473     (string-match dired-move-to-filename-regexp a)
 474     (setq posa (match-end 0))
 475     (string-match dired-move-to-filename-regexp b)
 476     (setq posb (match-end 0))
 477     (string-lessp (substring a posa) (substring b posb))))
 478
 479 (defun tramp-adb-handle-make-directory (dir &optional parents)
 480   "Like `make-directory' for Tramp files."
 481   (setq dir (expand-file-name dir))
 482   (with-parsed-tramp-file-name dir nil
 483     (when parents
 484       (let ((par (expand-file-name ".." dir)))
 485         (unless (file-directory-p par)
 486           (make-directory par parents))))
 487     (tramp-adb-barf-unless-okay
 488      v (format "mkdir %s" (tramp-shell-quote-argument localname))
 489      "Couldn't make directory %s" dir)
 490     (tramp-flush-directory-property v (file-name-directory localname))))
 491
 492 (defun tramp-adb-handle-delete-directory (directory &optional recursive)
 493   "Like `delete-directory' for Tramp files."
 494   (setq directory (expand-file-name directory))
 495   (with-parsed-tramp-file-name directory nil
 496     (tramp-flush-file-property v (file-name-directory localname))
 497     (tramp-flush-directory-property v localname)
 498     (tramp-adb-barf-unless-okay
 499      v (format "%s %s"
 500                (if recursive "rm -r" "rmdir")
 501                (tramp-shell-quote-argument localname))
 502      "Couldn't delete %s" directory)))
 503
 504 (defun tramp-adb-handle-delete-file (filename &optional trash)
 505   "Like `delete-file' for Tramp files."
 506   (setq filename (expand-file-name filename))
 507   (with-parsed-tramp-file-name filename nil
 508     (tramp-flush-file-property v (file-name-directory localname))
 509     (tramp-flush-file-property v localname)
 510     (tramp-adb-barf-unless-okay
 511      v (format "rm %s" (tramp-shell-quote-argument localname))
 512      "Couldn't delete %s" filename)))
 513
 514 (defun tramp-adb-handle-file-name-all-completions (filename directory)
 515   "Like `file-name-all-completions' for Tramp files."
 516   (all-completions
 517    filename
 518    (with-parsed-tramp-file-name directory nil
 519      (with-tramp-file-property v localname "file-name-all-completions"
 520        (save-match-data
 521          (tramp-adb-send-command
 522           v (format "%s %s"
 523                     (tramp-adb-get-ls-command v)
 524                     (tramp-shell-quote-argument localname)))
 525          (mapcar
 526           (lambda (f)
 527             (if (file-directory-p f)
 528                 (file-name-as-directory f)
 529               f))
 530           (with-current-buffer (tramp-get-buffer v)
 531             (delq
 532              nil
 533              (mapcar
 534               (lambda (l) (and (not (string-match  "^[[:space:]]*$" l)) l))
 535               (split-string (buffer-string) "\n"))))))))))
 536
 537 (defun tramp-adb-handle-file-local-copy (filename)
 538   "Like `file-local-copy' for Tramp files."
 539   (with-parsed-tramp-file-name filename nil
 540     (unless (file-exists-p (file-truename filename))
 541       (tramp-error
 542        v 'file-error
 543        "Cannot make local copy of non-existing file `%s'" filename))
 544     (let ((tmpfile (tramp-compat-make-temp-file filename)))
 545       (with-tramp-progress-reporter
 546           v 3 (format "Fetching %s to tmp file %s" filename tmpfile)
 547         (when (tramp-adb-execute-adb-command v "pull" localname tmpfile)
 548           (delete-file tmpfile)
 549           (tramp-error
 550            v 'file-error "Cannot make local copy of file `%s'" filename))
 551         (set-file-modes tmpfile (file-modes filename)))
 552       tmpfile)))
 553
 554 (defun tramp-adb-handle-file-writable-p (filename)
 555   "Like `tramp-sh-handle-file-writable-p'.
 556 But handle the case, if the \"test\" command is not available."
 557   (with-parsed-tramp-file-name filename nil
 558     (with-tramp-file-property v localname "file-writable-p"
 559       (if (tramp-adb-find-test-command v)
 560           (if (file-exists-p filename)
 561               (zerop
 562                (tramp-adb-command-exit-status
 563                 v (format "test -w %s" (tramp-shell-quote-argument localname))))
 564             (and
 565              (file-directory-p (file-name-directory filename))
 566              (file-writable-p (file-name-directory filename))))
 567
 568         ;; Missing "test" command on Android < 4.
 569        (let ((rw-path "/data/data"))
 570          (tramp-message
 571           v 5
 572           "Not implemented yet (assuming \"/data/data\" is writable): %s"
 573           localname)
 574          (and (>= (length localname) (length rw-path))
 575               (string= (substring localname 0 (length rw-path))
 576                        rw-path)))))))
 577
 578 (defun tramp-adb-handle-write-region
 579   (start end filename &optional append visit lockname confirm)
 580   "Like `write-region' for Tramp files."
 581   (setq filename (expand-file-name filename))
 582   (with-parsed-tramp-file-name filename nil
 583     (when append
 584       (tramp-error
 585        v 'file-error "Cannot append to file using Tramp (`%s')" filename))
 586     (when (and confirm (file-exists-p filename))
 587       (unless (y-or-n-p (format "File %s exists; overwrite anyway? "
 588                                 filename))
 589         (tramp-error v 'file-error "File not overwritten")))
 590     ;; We must also flush the cache of the directory, because
 591     ;; `file-attributes' reads the values from there.
 592     (tramp-flush-file-property v (file-name-directory localname))
 593     (tramp-flush-file-property v localname)
 594     (let* ((curbuf (current-buffer))
 595            (tmpfile (tramp-compat-make-temp-file filename)))
 596       (tramp-run-real-handler
 597        'write-region
 598        (list start end tmpfile append 'no-message lockname confirm))
 599       (with-tramp-progress-reporter
 600           v 3 (format "Moving tmp file %s to %s" tmpfile filename)
 601         (unwind-protect
 602             (when (tramp-adb-execute-adb-command v "push" tmpfile localname)
 603               (tramp-error v 'file-error "Cannot write: `%s' filename"))
 604           (delete-file tmpfile)))
 605
 606       (unless (equal curbuf (current-buffer))
 607         (tramp-error
 608          v 'file-error
 609          "Buffer has changed from `%s' to `%s'" curbuf (current-buffer))))))
 610
 611 (defun tramp-adb-handle-set-file-modes (filename mode)
 612   "Like `set-file-modes' for Tramp files."
 613   (with-parsed-tramp-file-name filename nil
 614     (tramp-flush-file-property v localname)
 615     (tramp-adb-barf-unless-okay
 616      v (format "chmod %s %s" (tramp-compat-decimal-to-octal mode) localname)
 617      "Error while changing file's mode %s" filename)))
 618
 619 (defun tramp-adb-handle-set-file-times (filename &optional time)
 620   "Like `set-file-times' for Tramp files."
 621   (with-parsed-tramp-file-name filename nil
 622     (tramp-flush-file-property v localname)
 623     (let ((time (if (or (null time) (equal time '(0 0)))
 624                     (current-time)
 625                   time)))
 626       (tramp-adb-command-exit-status
 627        ;; use shell arithmetic because of Emacs integer size limit
 628        v (format "touch -t $(( %d * 65536 + %d )) %s"
 629                  (car time) (cadr time)
 630                  (tramp-shell-quote-argument localname))))))
 631
 632 (defun tramp-adb-handle-copy-file
 633   (filename newname &optional ok-if-already-exists keep-date
 634             preserve-uid-gid preserve-extended-attributes)
 635   "Like `copy-file' for Tramp files.
 636 PRESERVE-UID-GID and PRESERVE-EXTENDED-ATTRIBUTES are completely ignored."
 637   (setq filename (expand-file-name filename)
 638         newname (expand-file-name newname))
 639
 640   (if (file-directory-p filename)
 641       (copy-directory filename newname keep-date t)
 642     (with-tramp-progress-reporter
 643         (tramp-dissect-file-name (if (file-remote-p filename) filename newname))
 644         0 (format "Copying %s to %s" filename newname)
 645
 646       (let ((tmpfile (file-local-copy filename)))
 647
 648         (if tmpfile
 649             ;; Remote filename.
 650             (condition-case err
 651                 (rename-file tmpfile newname ok-if-already-exists)
 652               ((error quit)
 653                (delete-file tmpfile)
 654                (signal (car err) (cdr err))))
 655
 656           ;; Remote newname.
 657           (when (file-directory-p newname)
 658             (setq newname
 659                   (expand-file-name (file-name-nondirectory filename) newname)))
 660
 661           (with-parsed-tramp-file-name newname nil
 662             (when (and (not ok-if-already-exists)
 663                        (file-exists-p newname))
 664               (tramp-error v 'file-already-exists newname))
 665
 666             ;; We must also flush the cache of the directory, because
 667             ;; `file-attributes' reads the values from there.
 668             (tramp-flush-file-property v (file-name-directory localname))
 669             (tramp-flush-file-property v localname)
 670             (when (tramp-adb-execute-adb-command v "push" filename localname)
 671               (tramp-error
 672                v 'file-error "Cannot copy `%s' `%s'" filename newname))))))
 673
 674     ;; KEEP-DATE handling.
 675     (when keep-date
 676       (set-file-times newname (nth 5 (file-attributes filename))))))
 677
 678 (defun tramp-adb-handle-rename-file
 679   (filename newname &optional ok-if-already-exists)
 680   "Like `rename-file' for Tramp files."
 681   (setq filename (expand-file-name filename)
 682         newname (expand-file-name newname))
 683
 684   (with-parsed-tramp-file-name
 685       (if (file-remote-p filename) filename newname) nil
 686     (with-tramp-progress-reporter
 687         v 0 (format "Renaming %s to %s" newname filename)
 688
 689       (if (and (tramp-equal-remote filename newname)
 690                (not (file-directory-p filename)))
 691           (progn
 692             (when (and (not ok-if-already-exists)
 693                        (file-exists-p newname))
 694               (tramp-error v 'file-already-exists newname))
 695             ;; We must also flush the cache of the directory, because
 696             ;; `file-attributes' reads the values from there.
 697             (tramp-flush-file-property v (file-name-directory localname))
 698             (tramp-flush-file-property v localname)
 699             ;; Short track.
 700             (tramp-adb-barf-unless-okay
 701              v (format "mv %s %s" (file-remote-p filename 'localname) localname)
 702              "Error renaming %s to %s" filename newname))
 703
 704         ;; Rename by copy.
 705         (copy-file filename newname ok-if-already-exists t t)
 706         (delete-file filename)))))
 707
 708 (defun tramp-adb-handle-process-file
 709   (program &optional infile destination display &rest args)
 710   "Like `process-file' for Tramp files."
 711   ;; The implementation is not complete yet.
 712   (when (and (numberp destination) (zerop destination))
 713     (error "Implementation does not handle immediate return"))
 714
 715   (with-parsed-tramp-file-name default-directory nil
 716     (let (command input tmpinput stderr tmpstderr outbuf ret)
 717       ;; Compute command.
 718       (setq command (mapconcat 'tramp-shell-quote-argument
 719                                (cons program args) " "))
 720       ;; Determine input.
 721       (if (null infile)
 722           (setq input "/dev/null")
 723         (setq infile (expand-file-name infile))
 724         (if (tramp-equal-remote default-directory infile)
 725             ;; INFILE is on the same remote host.
 726             (setq input (with-parsed-tramp-file-name infile nil localname))
 727           ;; INFILE must be copied to remote host.
 728           (setq input (tramp-make-tramp-temp-file v)
 729                 tmpinput (tramp-make-tramp-file-name method user host input))
 730           (copy-file infile tmpinput t)))
 731       (when input (setq command (format "%s <%s" command input)))
 732
 733       ;; Determine output.
 734       (cond
 735        ;; Just a buffer.
 736        ((bufferp destination)
 737         (setq outbuf destination))
 738        ;; A buffer name.
 739        ((stringp destination)
 740         (setq outbuf (get-buffer-create destination)))
 741        ;; (REAL-DESTINATION ERROR-DESTINATION)
 742        ((consp destination)
 743         ;; output.
 744         (cond
 745          ((bufferp (car destination))
 746           (setq outbuf (car destination)))
 747          ((stringp (car destination))
 748           (setq outbuf (get-buffer-create (car destination))))
 749          ((car destination)
 750           (setq outbuf (current-buffer))))
 751         ;; stderr.
 752         (cond
 753          ((stringp (cadr destination))
 754           (setcar (cdr destination) (expand-file-name (cadr destination)))
 755           (if (tramp-equal-remote default-directory (cadr destination))
 756               ;; stderr is on the same remote host.
 757               (setq stderr (with-parsed-tramp-file-name
 758                                (cadr destination) nil localname))
 759             ;; stderr must be copied to remote host.  The temporary
 760             ;; file must be deleted after execution.
 761             (setq stderr (tramp-make-tramp-temp-file v)
 762                   tmpstderr (tramp-make-tramp-file-name
 763                              method user host stderr))))
 764          ;; stderr to be discarded.
 765          ((null (cadr destination))
 766           (setq stderr "/dev/null"))))
 767        ;; 't
 768        (destination
 769         (setq outbuf (current-buffer))))
 770       (when stderr (setq command (format "%s 2>%s" command stderr)))
 771
 772       ;; Send the command.  It might not return in time, so we protect
 773       ;; it.  Call it in a subshell, in order to preserve working
 774       ;; directory.
 775       (condition-case nil
 776           (progn
 777             (setq ret 0
 778                   ret
 779                   (tramp-adb-barf-unless-okay
 780                    v (format "(cd %s; %s)"
 781                              (tramp-shell-quote-argument localname)
 782                              command)
 783                    ""))
 784             ;; We should show the output anyway.
 785             (when outbuf
 786               (with-current-buffer outbuf
 787                 (insert-buffer-substring (tramp-get-connection-buffer v)))
 788               (when display (display-buffer outbuf))))
 789         ;; When the user did interrupt, we should do it also.  We use
 790         ;; return code -1 as marker.
 791         (quit
 792          (kill-buffer (tramp-get-connection-buffer v))
 793          (setq ret -1))
 794         ;; Handle errors.
 795         (error
 796          (kill-buffer (tramp-get-connection-buffer v))
 797          (setq ret 1)))
 798
 799       ;; Provide error file.
 800       (when tmpstderr (rename-file tmpstderr (cadr destination) t))
 801
 802       ;; Cleanup.  We remove all file cache values for the connection,
 803       ;; because the remote process could have changed them.
 804       (when tmpinput (delete-file tmpinput))
 805
 806       ;; `process-file-side-effects' has been introduced with GNU
 807       ;; Emacs 23.2.  If set to `nil', no remote file will be changed
 808       ;; by `program'.  If it doesn't exist, we assume its default
 809       ;; value 't'.
 810       (unless (and (boundp 'process-file-side-effects)
 811                    (not (symbol-value 'process-file-side-effects)))
 812         (tramp-flush-directory-property v ""))
 813
 814       ;; Return exit status.
 815       (if (equal ret -1)
 816           (keyboard-quit)
 817         ret))))
 818
 819 (defun tramp-adb-handle-shell-command
 820   (command &optional output-buffer error-buffer)
 821   "Like `shell-command' for Tramp files."
 822   (let* ((asynchronous (string-match "[ \t]*&[ \t]*\\'" command))
 823          ;; We cannot use `shell-file-name' and `shell-command-switch',
 824          ;; they are variables of the local host.
 825          (args (list "sh" "-c" (substring command 0 asynchronous)))
 826          current-buffer-p
 827          (output-buffer
 828           (cond
 829            ((bufferp output-buffer) output-buffer)
 830            ((stringp output-buffer) (get-buffer-create output-buffer))
 831            (output-buffer
 832             (setq current-buffer-p t)
 833             (current-buffer))
 834            (t (get-buffer-create
 835                (if asynchronous
 836                    "*Async Shell Command*"
 837                  "*Shell Command Output*")))))
 838          (error-buffer
 839           (cond
 840            ((bufferp error-buffer) error-buffer)
 841            ((stringp error-buffer) (get-buffer-create error-buffer))))
 842          (buffer
 843           (if (and (not asynchronous) error-buffer)
 844               (with-parsed-tramp-file-name default-directory nil
 845                 (list output-buffer (tramp-make-tramp-temp-file v)))
 846             output-buffer))
 847          (p (get-buffer-process output-buffer)))
 848
 849     ;; Check whether there is another process running.  Tramp does not
 850     ;; support 2 (asynchronous) processes in parallel.
 851     (when p
 852       (if (yes-or-no-p "A command is running.  Kill it? ")
 853           (ignore-errors (kill-process p))
 854         (error "Shell command in progress")))
 855
 856     (if current-buffer-p
 857         (progn
 858           (barf-if-buffer-read-only)
 859           (push-mark nil t))
 860       (with-current-buffer output-buffer
 861         (setq buffer-read-only nil)
 862         (erase-buffer)))
 863
 864     (if (and (not current-buffer-p) (integerp asynchronous))
 865         (prog1
 866             ;; Run the process.
 867             (apply 'start-file-process "*Async Shell*" buffer args)
 868           ;; Display output.
 869           (pop-to-buffer output-buffer)
 870           (setq mode-line-process '(":%s"))
 871           (shell-mode))
 872
 873       (prog1
 874           ;; Run the process.
 875           (apply 'process-file (car args) nil buffer nil (cdr args))
 876         ;; Insert error messages if they were separated.
 877         (when (listp buffer)
 878           (with-current-buffer error-buffer
 879             (insert-file-contents (cadr buffer)))
 880           (delete-file (cadr buffer)))
 881         (if current-buffer-p
 882             ;; This is like exchange-point-and-mark, but doesn't
 883             ;; activate the mark.  It is cleaner to avoid activation,
 884             ;; even though the command loop would deactivate the mark
 885             ;; because we inserted text.
 886             (goto-char (prog1 (mark t)
 887                          (set-marker (mark-marker) (point)
 888                                      (current-buffer))))
 889           ;; There's some output, display it.
 890           (when (with-current-buffer output-buffer (> (point-max) (point-min)))
 891             (if (functionp 'display-message-or-buffer)
 892                 (tramp-compat-funcall 'display-message-or-buffer output-buffer)
 893               (pop-to-buffer output-buffer))))))))
 894
 895 ;; We use BUFFER also as connection buffer during setup.  Because of
 896 ;; this, its original contents must be saved, and restored once
 897 ;; connection has been setup.
 898 (defun tramp-adb-handle-start-file-process (name buffer program &rest args)
 899   "Like `start-file-process' for Tramp files."
 900   (with-parsed-tramp-file-name default-directory nil
 901     ;; When PROGRAM is nil, we just provide a tty.
 902     (let ((command
 903            (when (stringp program)
 904              (format "cd %s; %s"
 905                      (tramp-shell-quote-argument localname)
 906                      (mapconcat 'tramp-shell-quote-argument
 907                                 (cons program args) " "))))
 908           (tramp-process-connection-type
 909            (or (null program) tramp-process-connection-type))
 910           (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer)))
 911           (name1 name)
 912           (i 0))
 913       (unwind-protect
 914           (save-excursion
 915             (save-restriction
 916               (unless buffer
 917                 ;; BUFFER can be nil.  We use a temporary buffer.
 918                 (setq buffer (generate-new-buffer tramp-temp-buffer-name)))
 919               (while (get-process name1)
 920                 ;; NAME must be unique as process name.
 921                 (setq i (1+ i)
 922                       name1 (format "%s<%d>" name i)))
 923               (setq name name1)
 924               ;; Set the new process properties.
 925               (tramp-set-connection-property v "process-name" name)
 926               (tramp-set-connection-property v "process-buffer" buffer)
 927               ;; Activate narrowing in order to save BUFFER contents.
 928               ;; Clear also the modification time; otherwise we might
 929               ;; be interrupted by `verify-visited-file-modtime'.
 930               (with-current-buffer (tramp-get-connection-buffer v)
 931                 (let ((buffer-undo-list t))
 932                   (clear-visited-file-modtime)
 933                   (narrow-to-region (point-max) (point-max))
 934                   (if command
 935                       ;; Send the command.
 936                       (tramp-adb-send-command v command)
 937                     ;; Open the connection.
 938                     (tramp-adb-maybe-open-connection v))))
 939               (let ((p (tramp-get-connection-process v)))
 940                 ;; Set sentinel and query flag for this process.
 941                 (tramp-set-connection-property p "vector" v)
 942                 (set-process-sentinel p 'tramp-process-sentinel)
 943                 (tramp-compat-set-process-query-on-exit-flag p t)
 944                 ;; Return process.
 945                 p)))
 946         ;; Save exit.
 947         (with-current-buffer (tramp-get-connection-buffer v)
 948           (if (string-match tramp-temp-buffer-name (buffer-name))
 949               (progn
 950                 (set-process-buffer (tramp-get-connection-process v) nil)
 951                 (kill-buffer (current-buffer)))
 952             (set-buffer-modified-p bmp)))
 953         (tramp-set-connection-property v "process-name" nil)
 954         (tramp-set-connection-property v "process-buffer" nil)))))
 955
 956 ;; Helper functions.
 957
 958 (defun tramp-adb-execute-adb-command (vec &rest args)
 959   "Returns nil on success error-output on failure."
 960   (when (> (length (tramp-file-name-host vec)) 0)
 961     (setq args (append (list "-s" (tramp-file-name-host vec)) args)))
 962   (with-temp-buffer
 963     (prog1
 964         (unless (zerop (apply 'call-process (tramp-adb-program) nil t nil args))
 965           (buffer-string))
 966       (tramp-message
 967        vec 6 "%s %s\n%s"
 968        (tramp-adb-program) (mapconcat 'identity args " ") (buffer-string)))))
 969
 970 (defun tramp-adb-find-test-command (vec)
 971   "Checks, whether the ash has a builtin \"test\" command.
 972 This happens for Android >= 4.0."
 973   (with-tramp-connection-property vec "test"
 974     (zerop (tramp-adb-command-exit-status vec "type test"))))
 975
 976 ;; Connection functions
 977
 978 (defun tramp-adb-send-command (vec command)
 979   "Send the COMMAND to connection VEC."
 980   (tramp-adb-maybe-open-connection vec)
 981   (tramp-message vec 6 "%s" command)
 982   (tramp-send-string vec command)
 983   ;; fixme: Race condition
 984   (tramp-adb-wait-for-output (tramp-get-connection-process vec))
 985   (with-current-buffer (tramp-get-connection-buffer vec)
 986     (save-excursion
 987       (goto-char (point-min))
 988       ;; We can't use stty to disable echo of command.
 989       (delete-matching-lines (regexp-quote command))
 990       ;; When the local machine is W32, there are still trailing ^M.
 991       ;; There must be a better solution by setting the correct coding
 992       ;; system, but this requires changes in core Tramp.
 993       (goto-char (point-min))
 994       (while (re-search-forward "\r+$" nil t)
 995         (replace-match "" nil nil)))))
 996
 997 (defun tramp-adb-barf-unless-okay (vec command fmt &rest args)
 998   "Run COMMAND, check exit status, throw error if exit status not okay.
 999 FMT and ARGS are passed to `error'."
1000   (tramp-adb-send-command vec (format "%s; echo tramp_exit_status $?" command))
1001   (with-current-buffer (tramp-get-connection-buffer vec)
1002     (goto-char (point-max))
1003     (unless (re-search-backward "tramp_exit_status [0-9]+" nil t)
1004       (tramp-error
1005        vec 'file-error "Couldn't find exit status of `%s'" command))
1006     (skip-chars-forward "^ ")
1007     (unless (zerop (read (current-buffer)))
1008       (apply 'tramp-error vec 'file-error fmt args))
1009     (let (buffer-read-only)
1010       (delete-region (match-beginning 0) (point-max)))))
1011
1012 (defun tramp-adb-command-exit-status
1013   (vec command)
1014   "Run COMMAND and return its exit status.
1015 Sends `echo $?' along with the COMMAND for checking the exit status.  If
1016 COMMAND is nil, just sends `echo $?'.  Returns the exit status found."
1017   (tramp-adb-send-command vec (format "%s; echo tramp_exit_status $?" command))
1018   (with-current-buffer (tramp-get-connection-buffer vec)
1019     (goto-char (point-max))
1020     (unless (re-search-backward "tramp_exit_status [0-9]+" nil t)
1021       (tramp-error
1022        vec 'file-error "Couldn't find exit status of `%s'" command))
1023     (skip-chars-forward "^ ")
1024     (read (current-buffer))))
1025
1026 (defun tramp-adb-wait-for-output (proc &optional timeout)
1027   "Wait for output from remote command."
1028   (unless (buffer-live-p (process-buffer proc))
1029     (delete-process proc)
1030     (tramp-error proc 'file-error "Process `%s' not available, try again" proc))
1031   (with-current-buffer (process-buffer proc)
1032     (if (tramp-wait-for-regexp proc timeout tramp-adb-prompt)
1033         (let (buffer-read-only)
1034           (goto-char (point-min))
1035           ;; ADB terminal sends "^H" sequences.
1036           (when (re-search-forward "<\b+" (point-at-eol) t)
1037             (forward-line 1)
1038             (delete-region (point-min) (point)))
1039           ;; Delete the prompt.
1040          (goto-char (point-min))
1041          (when (re-search-forward tramp-adb-prompt (point-at-eol) t)
1042            (forward-line 1)
1043            (delete-region (point-min) (point)))
1044           (goto-char (point-max))
1045           (re-search-backward tramp-adb-prompt nil t)
1046           (delete-region (point) (point-max)))
1047       (if timeout
1048           (tramp-error
1049            proc 'file-error
1050            "[[Remote adb prompt `%s' not found in %d secs]]"
1051            tramp-adb-prompt timeout)
1052         (tramp-error
1053          proc 'file-error
1054          "[[Remote prompt `%s' not found]]" tramp-adb-prompt)))))
1055
1056 (defun tramp-adb-maybe-open-connection (vec)
1057   "Maybe open a connection VEC.
1058 Does not do anything if a connection is already open, but re-opens the
1059 connection if a previous connection has died for some reason."
1060   (let* ((buf (tramp-get-connection-buffer vec))
1061          (p (get-buffer-process buf))
1062          (host (tramp-file-name-host vec))
1063          (devices (mapcar 'cadr (tramp-adb-parse-device-names nil))))
1064     (unless
1065         (and p (processp p) (memq (process-status p) '(run open)))
1066       (save-match-data
1067         (when (and p (processp p)) (delete-process p))
1068         (if (not devices)
1069             (tramp-error vec 'file-error "No device connected"))
1070         (if (and (> (length host) 0) (not (member host devices)))
1071             (tramp-error vec 'file-error "Device %s not connected" host))
1072         (if (and (> (length devices) 1) (zerop (length host)))
1073             (tramp-error
1074              vec 'file-error
1075              "Multiple Devices connected: No Host/Device specified"))
1076         (with-tramp-progress-reporter vec 3 "Opening adb shell connection"
1077           (let* ((coding-system-for-read 'utf-8-dos) ;is this correct?
1078                  (process-connection-type tramp-process-connection-type)
1079                  (args (if (> (length host) 0)
1080                            (list "-s" host "shell")
1081                          (list "shell")))
1082                  (p (let ((default-directory
1083                             (tramp-compat-temporary-file-directory)))
1084                       (apply 'start-process (tramp-get-connection-name vec) buf
1085                              (tramp-adb-program) args))))
1086             (tramp-message
1087              vec 6 "%s" (mapconcat 'identity (process-command p) " "))
1088             ;; Wait for initial prompt.
1089             (tramp-adb-wait-for-output p)
1090             (unless (eq 'run (process-status p))
1091               (tramp-error  vec 'file-error "Terminated!"))
1092             (set-process-query-on-exit-flag p nil)
1093
1094             ;; Check whether the properties have been changed.  If
1095             ;; yes, this is a strong indication that we must expire all
1096             ;; connection properties.  We start again.
1097             (tramp-message vec 5 "Checking system information")
1098             (tramp-adb-send-command
1099              vec "echo \\\"`getprop ro.product.model` `getprop ro.product.version` `getprop ro.build.version.release`\\\"")
1100             (let ((old-getprop
1101                    (tramp-get-connection-property vec "getprop" nil))
1102                   (new-getprop
1103                    (tramp-set-connection-property
1104                     vec "getprop"
1105                     (with-current-buffer (tramp-get-connection-buffer vec)
1106                       ;; Read the expression.
1107                       (goto-char (point-min))
1108                       (read (current-buffer))))))
1109               (when (and (stringp old-getprop)
1110                          (not (string-equal old-getprop new-getprop)))
1111                 (tramp-cleanup vec)
1112                 (tramp-message
1113                  vec 3
1114                  "Connection reset, because remote host changed from `%s' to `%s'"
1115                  old-getprop new-getprop)
1116                 (tramp-adb-maybe-open-connection vec)))
1117
1118             ;; Set "remote-path" connection property.  This is needed
1119             ;; for eshell.
1120             (tramp-adb-send-command vec "echo \\\"$PATH\\\"")
1121             (tramp-set-connection-property
1122              vec "remote-path"
1123              (split-string
1124               (with-current-buffer (tramp-get-connection-buffer vec)
1125                 ;; Read the expression.
1126                 (goto-char (point-min))
1127                 (read (current-buffer)))
1128               ":" 'omit-nulls))))))))
1129
1130 (provide 'tramp-adb)
1131 ;;; tramp-adb.el ends here