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b1a2b924 | 1 | ;;; tramp.el --- Transparent Remote Access, Multiple Protocol |
fb7933a3 | 2 | |
acaf905b | 3 | ;; Copyright (C) 1998-2012 Free Software Foundation, Inc. |
fb7933a3 | 4 | |
cdd44874 | 5 | ;; Author: Kai Großjohann <kai.grossjohann@gmx.net> |
d2a2c17f | 6 | ;; Michael Albinus <michael.albinus@gmx.de> |
fb7933a3 | 7 | ;; Keywords: comm, processes |
0f34aa77 | 8 | ;; Package: tramp |
fb7933a3 KG |
9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
874a927a | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
fb7933a3 | 13 | ;; it under the terms of the GNU General Public License as published by |
874a927a GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
fb7933a3 KG |
16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
874a927a | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
fb7933a3 KG |
24 | |
25 | ;;; Commentary: | |
26 | ||
27 | ;; This package provides remote file editing, similar to ange-ftp. | |
28 | ;; The difference is that ange-ftp uses FTP to transfer files between | |
29 | ;; the local and the remote host, whereas tramp.el uses a combination | |
30 | ;; of rsh and rcp or other work-alike programs, such as ssh/scp. | |
31 | ;; | |
b1a2b924 | 32 | ;; For more detailed instructions, please see the info file. |
fb7933a3 KG |
33 | ;; |
34 | ;; Notes: | |
35 | ;; ----- | |
bf247b6e | 36 | ;; |
b533bc97 | 37 | ;; This package only works for Emacs 22.1 and higher, and for XEmacs 21.4 |
00d6fd04 | 38 | ;; and higher. For XEmacs 21, you need the package `fsf-compat' for |
7f4d4a97 | 39 | ;; the `with-timeout' macro. |
fb7933a3 | 40 | ;; |
fb7933a3 KG |
41 | ;; Also see the todo list at the bottom of this file. |
42 | ;; | |
b1a2b924 | 43 | ;; The current version of Tramp can be retrieved from the following URL: |
340b8d4f | 44 | ;; http://ftp.gnu.org/gnu/tramp/ |
fb7933a3 KG |
45 | ;; |
46 | ;; There's a mailing list for this, as well. Its name is: | |
340b8d4f MA |
47 | ;; tramp-devel@gnu.org |
48 | ;; You can use the Web to subscribe, under the following URL: | |
49 | ;; http://lists.gnu.org/mailman/listinfo/tramp-devel | |
fb7933a3 KG |
50 | ;; |
51 | ;; For the adventurous, the current development sources are available | |
52 | ;; via CVS. You can find instructions about this at the following URL: | |
c62c9d08 | 53 | ;; http://savannah.gnu.org/projects/tramp/ |
fb7933a3 KG |
54 | ;; Click on "CVS" in the navigation bar near the top. |
55 | ;; | |
56 | ;; Don't forget to put on your asbestos longjohns, first! | |
57 | ||
58 | ;;; Code: | |
59 | ||
2fe4b125 | 60 | (eval-when-compile (require 'cl)) ; ignore-errors |
9e6ab520 | 61 | (require 'tramp-compat) |
fb7933a3 | 62 | |
fb7933a3 KG |
63 | ;;; User Customizable Internal Variables: |
64 | ||
65 | (defgroup tramp nil | |
cf20dee0 | 66 | "Edit remote files with a combination of ssh, scp, etc." |
589d30dd | 67 | :group 'files |
26f4b8ab | 68 | :group 'comm |
bf247b6e | 69 | :version "22.1") |
fb7933a3 | 70 | |
2e271195 MA |
71 | ;; Maybe we need once a real Tramp mode, with key bindings etc. |
72 | ;;;###autoload | |
73 | (defcustom tramp-mode t | |
fb7ada5f | 74 | "Whether Tramp is enabled. |
2e271195 MA |
75 | If it is set to nil, all remote file names are used literally." |
76 | :group 'tramp | |
77 | :type 'boolean) | |
78 | ||
00d6fd04 | 79 | (defcustom tramp-verbose 3 |
fb7ada5f | 80 | "Verbosity level for Tramp messages. |
00d6fd04 MA |
81 | Any level x includes messages for all levels 1 .. x-1. The levels are |
82 | ||
83 | 0 silent (no tramp messages at all) | |
84 | 1 errors | |
85 | 2 warnings | |
86 | 3 connection to remote hosts (default level) | |
87 | 4 activities | |
88 | 5 internal | |
89 | 6 sent and received strings | |
90 | 7 file caching | |
91 | 8 connection properties | |
8fbcce2d | 92 | 9 test commands |
00d6fd04 | 93 | 10 traces (huge)." |
fb7933a3 KG |
94 | :group 'tramp |
95 | :type 'integer) | |
96 | ||
263c02ef | 97 | ;; Emacs case. |
38c65fca KG |
98 | (eval-and-compile |
99 | (when (boundp 'backup-directory-alist) | |
100 | (defcustom tramp-backup-directory-alist nil | |
101 | "Alist of filename patterns and backup directory names. | |
102 | Each element looks like (REGEXP . DIRECTORY), with the same meaning like | |
103 | in `backup-directory-alist'. If a Tramp file is backed up, and DIRECTORY | |
104 | is a local file name, the backup directory is prepended with Tramp file | |
00d6fd04 | 105 | name prefix \(method, user, host\) of file. |
38c65fca KG |
106 | |
107 | \(setq tramp-backup-directory-alist backup-directory-alist\) | |
108 | ||
109 | gives the same backup policy for Tramp files on their hosts like the | |
110 | policy for local files." | |
111 | :group 'tramp | |
112 | :type '(repeat (cons (regexp :tag "Regexp matching filename") | |
113 | (directory :tag "Backup directory name")))))) | |
114 | ||
115 | ;; XEmacs case. We cannot check for `bkup-backup-directory-info', because | |
116 | ;; the package "backup-dir" might not be loaded yet. | |
117 | (eval-and-compile | |
118 | (when (featurep 'xemacs) | |
119 | (defcustom tramp-bkup-backup-directory-info nil | |
2fe4b125 | 120 | "Alist of (FILE-REGEXP BACKUP-DIR OPTIONS ...)) |
38c65fca KG |
121 | It has the same meaning like `bkup-backup-directory-info' from package |
122 | `backup-dir'. If a Tramp file is backed up, and BACKUP-DIR is a local | |
123 | file name, the backup directory is prepended with Tramp file name prefix | |
00d6fd04 | 124 | \(method, user, host\) of file. |
38c65fca KG |
125 | |
126 | \(setq tramp-bkup-backup-directory-info bkup-backup-directory-info\) | |
127 | ||
128 | gives the same backup policy for Tramp files on their hosts like the | |
129 | policy for local files." | |
bf247b6e | 130 | :type '(repeat |
38c65fca KG |
131 | (list (regexp :tag "File regexp") |
132 | (string :tag "Backup Dir") | |
133 | (set :inline t | |
134 | (const ok-create) | |
135 | (const full-path) | |
136 | (const prepend-name) | |
137 | (const search-upward)))) | |
138 | :group 'tramp))) | |
139 | ||
fb7933a3 | 140 | (defcustom tramp-auto-save-directory nil |
fb7ada5f | 141 | "Put auto-save files in this directory, if set. |
fb7933a3 KG |
142 | The idea is to use a local directory so that auto-saving is faster." |
143 | :group 'tramp | |
00d6fd04 | 144 | :type '(choice (const nil) string)) |
fb7933a3 | 145 | |
16674e4f KG |
146 | (defcustom tramp-encoding-shell |
147 | (if (memq system-type '(windows-nt)) | |
148 | (getenv "COMSPEC") | |
149 | "/bin/sh") | |
fb7ada5f | 150 | "Use this program for encoding and decoding commands on the local host. |
16674e4f KG |
151 | This shell is used to execute the encoding and decoding command on the |
152 | local host, so if you want to use `~' in those commands, you should | |
153 | choose a shell here which groks tilde expansion. `/bin/sh' normally | |
154 | does not understand tilde expansion. | |
155 | ||
4c36be58 | 156 | For encoding and decoding, commands like the following are executed: |
16674e4f KG |
157 | |
158 | /bin/sh -c COMMAND < INPUT > OUTPUT | |
159 | ||
160 | This variable can be used to change the \"/bin/sh\" part. See the | |
00d6fd04 | 161 | variable `tramp-encoding-command-switch' for the \"-c\" part. |
fb7933a3 | 162 | |
36b148cf MA |
163 | If the shell must be forced to be interactive, see |
164 | `tramp-encoding-command-interactive'. | |
165 | ||
fb7933a3 KG |
166 | Note that this variable is not used for remote commands. There are |
167 | mechanisms in tramp.el which automatically determine the right shell to | |
168 | use for the remote host." | |
169 | :group 'tramp | |
170 | :type '(file :must-match t)) | |
171 | ||
16674e4f KG |
172 | (defcustom tramp-encoding-command-switch |
173 | (if (string-match "cmd\\.exe" tramp-encoding-shell) | |
174 | "/c" | |
175 | "-c") | |
fb7ada5f | 176 | "Use this switch together with `tramp-encoding-shell' for local commands. |
16674e4f KG |
177 | See the variable `tramp-encoding-shell' for more information." |
178 | :group 'tramp | |
179 | :type 'string) | |
180 | ||
36b148cf MA |
181 | (defcustom tramp-encoding-command-interactive |
182 | (unless (string-match "cmd\\.exe" tramp-encoding-shell) "-i") | |
fb7ada5f | 183 | "Use this switch together with `tramp-encoding-shell' for interactive shells. |
36b148cf | 184 | See the variable `tramp-encoding-shell' for more information." |
2bed3f04 | 185 | :version "24.1" |
36b148cf MA |
186 | :group 'tramp |
187 | :type '(choice (const nil) string)) | |
188 | ||
0f34aa77 | 189 | ;;;###tramp-autoload |
03c1ad43 | 190 | (defvar tramp-methods nil |
fb7ada5f | 191 | "Alist of methods for remote files. |
fb7933a3 KG |
192 | This is a list of entries of the form (NAME PARAM1 PARAM2 ...). |
193 | Each NAME stands for a remote access method. Each PARAM is a | |
194 | pair of the form (KEY VALUE). The following KEYs are defined: | |
f5e29b9b | 195 | * `tramp-remote-shell' |
710dec63 MA |
196 | This specifies the shell to use on the remote host. This |
197 | MUST be a Bourne-like shell. It is normally not necessary to | |
198 | set this to any value other than \"/bin/sh\": Tramp wants to | |
199 | use a shell which groks tilde expansion, but it can search | |
200 | for it. Also note that \"/bin/sh\" exists on all Unixen, | |
201 | this might not be true for the value that you decide to use. | |
202 | You Have Been Warned. | |
f5e29b9b MA |
203 | * `tramp-remote-shell-args' |
204 | For implementation of `shell-command', this specifies the | |
710dec63 | 205 | arguments to let `tramp-remote-shell' run a single command. |
b25a52cc KG |
206 | * `tramp-login-program' |
207 | This specifies the name of the program to use for logging in to the | |
00d6fd04 MA |
208 | remote host. This may be the name of rsh or a workalike program, |
209 | or the name of telnet or a workalike, or the name of su or a workalike. | |
b25a52cc | 210 | * `tramp-login-args' |
fb7933a3 | 211 | This specifies the list of arguments to pass to the above |
00d6fd04 | 212 | mentioned program. Please note that this is a list of list of arguments, |
fb7933a3 | 213 | that is, normally you don't want to put \"-a -b\" or \"-f foo\" |
00d6fd04 MA |
214 | here. Instead, you want a list (\"-a\" \"-b\"), or (\"-f\" \"foo\"). |
215 | There are some patterns: \"%h\" in this list is replaced by the host | |
216 | name, \"%u\" is replaced by the user name, \"%p\" is replaced by the | |
217 | port number, and \"%%\" can be used to obtain a literal percent character. | |
218 | If a list containing \"%h\", \"%u\" or \"%p\" is unchanged during | |
219 | expansion (i.e. no host or no user specified), this list is not used as | |
220 | argument. By this, arguments like (\"-l\" \"%u\") are optional. | |
221 | \"%t\" is replaced by the temporary file name produced with | |
222 | `tramp-make-tramp-temp-file'. \"%k\" indicates the keep-date | |
223 | parameter of a program, if exists. | |
a7723e05 MA |
224 | * `tramp-async-args' |
225 | When an asynchronous process is started, we know already that | |
226 | the connection works. Therefore, we can pass additional | |
227 | parameters to suppress diagnostic messages, in order not to | |
228 | tamper the process output. | |
b25a52cc KG |
229 | * `tramp-copy-program' |
230 | This specifies the name of the program to use for remotely copying | |
231 | the file; this might be the absolute filename of rcp or the name of | |
232 | a workalike program. | |
233 | * `tramp-copy-args' | |
fb7933a3 | 234 | This specifies the list of parameters to pass to the above mentioned |
b25a52cc | 235 | program, the hints for `tramp-login-args' also apply here. |
00d6fd04 MA |
236 | * `tramp-copy-keep-date' |
237 | This specifies whether the copying program when the preserves the | |
238 | timestamp of the original file. | |
b88f2d0a MA |
239 | * `tramp-copy-keep-tmpfile' |
240 | This specifies whether a temporary local file shall be kept | |
241 | for optimization reasons (useful for \"rsync\" methods). | |
242 | * `tramp-copy-recursive' | |
243 | Whether the operation copies directories recursively. | |
00d6fd04 MA |
244 | * `tramp-default-port' |
245 | The default port of a method is needed in case of gateway connections. | |
246 | Additionally, it is used as indication which method is prepared for | |
247 | passing gateways. | |
248 | * `tramp-gw-args' | |
249 | As the attribute name says, additional arguments are specified here | |
250 | when a method is applied via a gateway. | |
710dec63 MA |
251 | * `tramp-tmpdir' |
252 | A directory on the remote host for temporary files. If not | |
253 | specified, \"/tmp\" is taken as default. | |
b25a52cc KG |
254 | |
255 | What does all this mean? Well, you should specify `tramp-login-program' | |
256 | for all methods; this program is used to log in to the remote site. Then, | |
257 | there are two ways to actually transfer the files between the local and the | |
258 | remote side. One way is using an additional rcp-like program. If you want | |
259 | to do this, set `tramp-copy-program' in the method. | |
fb7933a3 KG |
260 | |
261 | Another possibility for file transfer is inline transfer, i.e. the | |
b25a52cc | 262 | file is passed through the same buffer used by `tramp-login-program'. In |
fb7933a3 | 263 | this case, the file contents need to be protected since the |
b25a52cc | 264 | `tramp-login-program' might use escape codes or the connection might not |
fb7933a3 | 265 | be eight-bit clean. Therefore, file contents are encoded for transit. |
00d6fd04 MA |
266 | See the variables `tramp-local-coding-commands' and |
267 | `tramp-remote-coding-commands' for details. | |
fb7933a3 | 268 | |
16674e4f | 269 | So, to summarize: if the method is an out-of-band method, then you |
b25a52cc | 270 | must specify `tramp-copy-program' and `tramp-copy-args'. If it is an |
00d6fd04 MA |
271 | inline method, then these two parameters should be nil. Methods which |
272 | are fit for gateways must have `tramp-default-port' at least. | |
fb7933a3 KG |
273 | |
274 | Notes: | |
275 | ||
00d6fd04 MA |
276 | When using `su' or `sudo' the phrase `open connection to a remote |
277 | host' sounds strange, but it is used nevertheless, for consistency. | |
278 | No connection is opened to a remote host, but `su' or `sudo' is | |
279 | started on the local host. You should specify a remote host | |
280 | `localhost' or the name of the local host. Another host name is | |
281 | useful only in combination with `tramp-default-proxies-alist'.") | |
fb7933a3 | 282 | |
a92375d9 MA |
283 | (defun tramp-detect-ssh-controlmaster () |
284 | "Call ssh to detect whether it supports the ControlMaster argument. | |
285 | This function may return nil when the argument is supported, but | |
286 | shouldn't return t when it isn't." | |
287 | (ignore-errors | |
288 | (with-temp-buffer | |
289 | (call-process "ssh" nil t nil "-o" "ControlMaster") | |
290 | (goto-char (point-min)) | |
291 | (search-forward-regexp "Missing ControlMaster argument" nil t)))) | |
292 | ||
b25a52cc | 293 | (defcustom tramp-default-method |
fa463103 PE |
294 | ;; An external copy method seems to be preferred, because it performs |
295 | ;; much better for large files, and it hasn't too serious delays | |
83e20b5c MA |
296 | ;; for small files. But it must be ensured that there aren't |
297 | ;; permanent password queries. Either a password agent like | |
263c02ef MA |
298 | ;; "ssh-agent" or "Pageant" shall run, or the optional |
299 | ;; password-cache.el or auth-sources.el packages shall be active for | |
a92375d9 MA |
300 | ;; password caching. "scpc" is chosen if we detect that the user is |
301 | ;; running OpenSSH 4.0 or newer. | |
00d6fd04 | 302 | (cond |
362b9d48 GM |
303 | ;; PuTTY is installed. We don't take it, if it is installed on a |
304 | ;; non-windows system, or pscp from the pssh (parallel ssh) package | |
305 | ;; is found. | |
306 | ((and (eq system-type 'windows-nt) | |
307 | (executable-find "pscp")) | |
00d6fd04 | 308 | (if (or (fboundp 'password-read) |
263c02ef | 309 | (fboundp 'auth-source-user-or-password) |
563790b6 | 310 | (fboundp 'auth-source-search) |
00d6fd04 | 311 | ;; Pageant is running. |
70c11b0b | 312 | (tramp-compat-process-running-p "Pageant")) |
00d6fd04 MA |
313 | "pscp" |
314 | "plink")) | |
315 | ;; There is an ssh installation. | |
316 | ((executable-find "scp") | |
a92375d9 MA |
317 | (cond |
318 | ((tramp-detect-ssh-controlmaster) "scpc") | |
319 | ((or (fboundp 'password-read) | |
320 | (fboundp 'auth-source-user-or-password) | |
563790b6 | 321 | (fboundp 'auth-source-search) |
a92375d9 MA |
322 | ;; ssh-agent is running. |
323 | (getenv "SSH_AUTH_SOCK") | |
324 | (getenv "SSH_AGENT_PID")) | |
325 | "scp") | |
326 | (t "ssh"))) | |
00d6fd04 MA |
327 | ;; Fallback. |
328 | (t "ftp")) | |
fb7ada5f | 329 | "Default method to use for transferring files. |
c62c9d08 | 330 | See `tramp-methods' for possibilities. |
4007ba5b | 331 | Also see `tramp-default-method-alist'." |
c62c9d08 KG |
332 | :group 'tramp |
333 | :type 'string) | |
334 | ||
b191c9d9 | 335 | ;;;###tramp-autoload |
03c1ad43 | 336 | (defcustom tramp-default-method-alist nil |
fb7ada5f | 337 | "Default method to use for specific host/user pairs. |
c62c9d08 KG |
338 | This is an alist of items (HOST USER METHOD). The first matching item |
339 | specifies the method to use for a file name which does not specify a | |
340 | method. HOST and USER are regular expressions or nil, which is | |
341 | interpreted as a regular expression which always matches. If no entry | |
342 | matches, the variable `tramp-default-method' takes effect. | |
343 | ||
344 | If the file name does not specify the user, lookup is done using the | |
345 | empty string for the user name. | |
346 | ||
347 | See `tramp-methods' for a list of possibilities for METHOD." | |
348 | :group 'tramp | |
e40fc745 MA |
349 | :type '(repeat (list (choice :tag "Host regexp" regexp sexp) |
350 | (choice :tag "User regexp" regexp sexp) | |
351 | (choice :tag "Method name" string (const nil))))) | |
c62c9d08 | 352 | |
03c1ad43 | 353 | (defcustom tramp-default-user nil |
fb7ada5f | 354 | "Default user to use for transferring files. |
00d6fd04 MA |
355 | It is nil by default; otherwise settings in configuration files like |
356 | \"~/.ssh/config\" would be overwritten. Also see `tramp-default-user-alist'. | |
357 | ||
358 | This variable is regarded as obsolete, and will be removed soon." | |
359 | :group 'tramp | |
360 | :type '(choice (const nil) string)) | |
361 | ||
b191c9d9 | 362 | ;;;###tramp-autoload |
03c1ad43 | 363 | (defcustom tramp-default-user-alist nil |
fb7ada5f | 364 | "Default user to use for specific method/host pairs. |
00d6fd04 MA |
365 | This is an alist of items (METHOD HOST USER). The first matching item |
366 | specifies the user to use for a file name which does not specify a | |
367 | user. METHOD and USER are regular expressions or nil, which is | |
368 | interpreted as a regular expression which always matches. If no entry | |
369 | matches, the variable `tramp-default-user' takes effect. | |
370 | ||
371 | If the file name does not specify the method, lookup is done using the | |
372 | empty string for the method name." | |
373 | :group 'tramp | |
e40fc745 MA |
374 | :type '(repeat (list (choice :tag "Method regexp" regexp sexp) |
375 | (choice :tag " Host regexp" regexp sexp) | |
376 | (choice :tag " User name" string (const nil))))) | |
00d6fd04 | 377 | |
03c1ad43 | 378 | (defcustom tramp-default-host (system-name) |
fb7ada5f | 379 | "Default host to use for transferring files. |
00d6fd04 MA |
380 | Useful for su and sudo methods mostly." |
381 | :group 'tramp | |
382 | :type 'string) | |
383 | ||
384 | (defcustom tramp-default-proxies-alist nil | |
fb7ada5f | 385 | "Route to be followed for specific host/user pairs. |
00d6fd04 MA |
386 | This is an alist of items (HOST USER PROXY). The first matching |
387 | item specifies the proxy to be passed for a file name located on | |
388 | a remote target matching USER@HOST. HOST and USER are regular | |
70c11b0b MA |
389 | expressions. PROXY must be a Tramp filename without a localname |
390 | part. Method and user name on PROXY are optional, which is | |
391 | interpreted with the default values. PROXY can contain the | |
392 | patterns %h and %u, which are replaced by the strings matching | |
393 | HOST or USER, respectively. | |
394 | ||
395 | HOST, USER or PROXY could also be Lisp forms, which will be | |
396 | evaluated. The result must be a string or nil, which is | |
397 | interpreted as a regular expression which always matches." | |
00d6fd04 | 398 | :group 'tramp |
70c11b0b MA |
399 | :type '(repeat (list (choice :tag "Host regexp" regexp sexp) |
400 | (choice :tag "User regexp" regexp sexp) | |
e40fc745 | 401 | (choice :tag " Proxy name" string (const nil))))) |
00d6fd04 | 402 | |
2fe4b125 MA |
403 | (defcustom tramp-save-ad-hoc-proxies nil |
404 | "Whether to save ad-hoc proxies persistently." | |
405 | :group 'tramp | |
d1a1c7e6 | 406 | :version "24.3" |
2fe4b125 MA |
407 | :type 'boolean) |
408 | ||
07b151f1 MA |
409 | (defcustom tramp-restricted-shell-hosts-alist |
410 | (when (memq system-type '(windows-nt)) | |
411 | (list (concat "\\`" (regexp-quote (system-name)) "\\'"))) | |
412 | "List of hosts, which run a restricted shell. | |
413 | This is a list of regular expressions, which denote hosts running | |
414 | a registered shell like \"rbash\". Those hosts can be used as | |
415 | proxies only, see `tramp-default-proxies-alist'. If the local | |
416 | host runs a registered shell, it shall be added to this list, too." | |
2a1e2476 | 417 | :version "24.3" |
07b151f1 MA |
418 | :group 'tramp |
419 | :type '(repeat (regexp :tag "Host regexp"))) | |
420 | ||
b191c9d9 | 421 | ;;;###tramp-autoload |
b96e6899 MA |
422 | (defconst tramp-local-host-regexp |
423 | (concat | |
66feec8b MA |
424 | "\\`" |
425 | (regexp-opt | |
426 | (list "localhost" "localhost6" (system-name) "127\.0\.0\.1" "::1") t) | |
427 | "\\'") | |
fb7ada5f | 428 | "Host names which are regarded as local host.") |
b96e6899 | 429 | |
5ec2cc41 | 430 | (defvar tramp-completion-function-alist nil |
fb7ada5f | 431 | "Alist of methods for remote files. |
b533bc97 | 432 | This is a list of entries of the form \(NAME PAIR1 PAIR2 ...\). |
16674e4f | 433 | Each NAME stands for a remote access method. Each PAIR is of the form |
b533bc97 | 434 | \(FUNCTION FILE\). FUNCTION is responsible to extract user names and host |
16674e4f KG |
435 | names from FILE for completion. The following predefined FUNCTIONs exists: |
436 | ||
5ec2cc41 KG |
437 | * `tramp-parse-rhosts' for \"~/.rhosts\" like files, |
438 | * `tramp-parse-shosts' for \"~/.ssh/known_hosts\" like files, | |
439 | * `tramp-parse-sconfig' for \"~/.ssh/config\" like files, | |
440 | * `tramp-parse-shostkeys' for \"~/.ssh2/hostkeys/*\" like files, | |
441 | * `tramp-parse-sknownhosts' for \"~/.ssh2/knownhosts/*\" like files, | |
442 | * `tramp-parse-hosts' for \"/etc/hosts\" like files, | |
443 | * `tramp-parse-passwd' for \"/etc/passwd\" like files. | |
444 | * `tramp-parse-netrc' for \"~/.netrc\" like files. | |
2fe4b125 | 445 | * `tramp-parse-putty' for PuTTY registered sessions. |
5ec2cc41 KG |
446 | |
447 | FUNCTION can also be a customer defined function. For more details see | |
448 | the info pages.") | |
449 | ||
674da028 MA |
450 | (defconst tramp-echo-mark-marker "_echo" |
451 | "String marker to surround echoed commands.") | |
452 | ||
68712eb6 MA |
453 | (defconst tramp-echo-mark-marker-length (length tramp-echo-mark-marker) |
454 | "String length of `tramp-echo-mark-marker'.") | |
455 | ||
456 | (defconst tramp-echo-mark | |
457 | (concat tramp-echo-mark-marker | |
458 | (make-string tramp-echo-mark-marker-length ?\b)) | |
00d6fd04 MA |
459 | "String mark to be transmitted around shell commands. |
460 | Used to separate their echo from the output they produce. This | |
461 | will only be used if we cannot disable remote echo via stty. | |
462 | This string must have no effect on the remote shell except for | |
463 | producing some echo which can later be detected by | |
674da028 MA |
464 | `tramp-echoed-echo-mark-regexp'. Using `tramp-echo-mark-marker', |
465 | followed by an equal number of backspaces to erase them will | |
466 | usually suffice.") | |
00d6fd04 | 467 | |
68712eb6 MA |
468 | (defconst tramp-echoed-echo-mark-regexp |
469 | (format "%s\\(\b\\( \b\\)?\\)\\{%d\\}" | |
470 | tramp-echo-mark-marker tramp-echo-mark-marker-length) | |
00d6fd04 MA |
471 | "Regexp which matches `tramp-echo-mark' as it gets echoed by |
472 | the remote shell.") | |
473 | ||
4cb0aa75 MA |
474 | (defcustom tramp-local-end-of-line |
475 | (if (memq system-type '(windows-nt)) "\r\n" "\n") | |
fb7ada5f | 476 | "String used for end of line in local processes." |
2bed3f04 | 477 | :version "24.1" |
4cb0aa75 MA |
478 | :group 'tramp |
479 | :type 'string) | |
480 | ||
fb7933a3 | 481 | (defcustom tramp-rsh-end-of-line "\n" |
fb7ada5f | 482 | "String used for end of line in rsh connections. |
fb7933a3 | 483 | I don't think this ever needs to be changed, so please tell me about it |
2fe4b125 | 484 | if you need to change this." |
fb7933a3 KG |
485 | :group 'tramp |
486 | :type 'string) | |
487 | ||
fb7933a3 | 488 | (defcustom tramp-login-prompt-regexp |
bc103d00 | 489 | ".*ogin\\( .*\\)?: *" |
fb7ada5f | 490 | "Regexp matching login-like prompts. |
bc103d00 MA |
491 | The regexp should match at end of buffer. |
492 | ||
493 | Sometimes the prompt is reported to look like \"login as:\"." | |
fb7933a3 KG |
494 | :group 'tramp |
495 | :type 'regexp) | |
496 | ||
821e6e36 | 497 | (defcustom tramp-shell-prompt-pattern |
aa485f7c | 498 | ;; Allow a prompt to start right after a ^M since it indeed would be |
b81a0b56 MA |
499 | ;; displayed at the beginning of the line (and Zsh uses it). This |
500 | ;; regexp works only for GNU Emacs. | |
2fe4b125 MA |
501 | ;; Allow also [] style prompts. They can appear only during |
502 | ;; connection initialization; Tramp redefines the prompt afterwards. | |
b81a0b56 | 503 | (concat (if (featurep 'xemacs) "" "\\(?:^\\|\r\\)") |
2fe4b125 | 504 | "[^]#$%>\n]*#?[]#$%>] *\\(\e\\[[0-9;]*[a-zA-Z] *\\)*") |
821e6e36 KG |
505 | "Regexp to match prompts from remote shell. |
506 | Normally, Tramp expects you to configure `shell-prompt-pattern' | |
507 | correctly, but sometimes it happens that you are connecting to a | |
508 | remote host which sends a different kind of shell prompt. Therefore, | |
509 | Tramp recognizes things matched by `shell-prompt-pattern' as prompt, | |
510 | and also things matched by this variable. The default value of this | |
b25a52cc | 511 | variable is similar to the default value of `shell-prompt-pattern', |
dab816a9 MA |
512 | which should work well in many cases. |
513 | ||
514 | This regexp must match both `tramp-initial-end-of-output' and | |
515 | `tramp-end-of-output'." | |
821e6e36 KG |
516 | :group 'tramp |
517 | :type 'regexp) | |
518 | ||
fb7933a3 | 519 | (defcustom tramp-password-prompt-regexp |
00d6fd04 | 520 | "^.*\\([pP]assword\\|[pP]assphrase\\).*:\^@? *" |
fb7ada5f | 521 | "Regexp matching password-like prompts. |
ac474af1 | 522 | The regexp should match at end of buffer. |
fb7933a3 KG |
523 | |
524 | The `sudo' program appears to insert a `^@' character into the prompt." | |
525 | :group 'tramp | |
526 | :type 'regexp) | |
527 | ||
528 | (defcustom tramp-wrong-passwd-regexp | |
b1d06e75 KG |
529 | (concat "^.*" |
530 | ;; These strings should be on the last line | |
a4aeb9a4 | 531 | (regexp-opt '("Permission denied" |
b1d06e75 KG |
532 | "Login incorrect" |
533 | "Login Incorrect" | |
534 | "Connection refused" | |
27e813fe | 535 | "Connection closed" |
7e5686f0 | 536 | "Timeout, server not responding." |
b1d06e75 KG |
537 | "Sorry, try again." |
538 | "Name or service not known" | |
00d6fd04 | 539 | "Host key verification failed." |
70c11b0b | 540 | "No supported authentication methods left to try!") t) |
b1d06e75 KG |
541 | ".*" |
542 | "\\|" | |
543 | "^.*\\(" | |
544 | ;; Here comes a list of regexes, separated by \\| | |
545 | "Received signal [0-9]+" | |
546 | "\\).*") | |
fb7ada5f | 547 | "Regexp matching a `login failed' message. |
ac474af1 KG |
548 | The regexp should match at end of buffer." |
549 | :group 'tramp | |
550 | :type 'regexp) | |
551 | ||
552 | (defcustom tramp-yesno-prompt-regexp | |
3cdaec13 KG |
553 | (concat |
554 | (regexp-opt '("Are you sure you want to continue connecting (yes/no)?") t) | |
555 | "\\s-*") | |
556 | "Regular expression matching all yes/no queries which need to be confirmed. | |
ac474af1 | 557 | The confirmation should be done with yes or no. |
3cdaec13 KG |
558 | The regexp should match at end of buffer. |
559 | See also `tramp-yn-prompt-regexp'." | |
fb7933a3 KG |
560 | :group 'tramp |
561 | :type 'regexp) | |
562 | ||
3cdaec13 | 563 | (defcustom tramp-yn-prompt-regexp |
658052a2 MA |
564 | (concat |
565 | (regexp-opt '("Store key in cache? (y/n)" | |
566 | "Update cached key? (y/n, Return cancels connection)") t) | |
567 | "\\s-*") | |
3cdaec13 KG |
568 | "Regular expression matching all y/n queries which need to be confirmed. |
569 | The confirmation should be done with y or n. | |
570 | The regexp should match at end of buffer. | |
571 | See also `tramp-yesno-prompt-regexp'." | |
572 | :group 'tramp | |
573 | :type 'regexp) | |
487f4fb7 KG |
574 | |
575 | (defcustom tramp-terminal-prompt-regexp | |
576 | (concat "\\(" | |
577 | "TERM = (.*)" | |
578 | "\\|" | |
579 | "Terminal type\\? \\[.*\\]" | |
580 | "\\)\\s-*") | |
581 | "Regular expression matching all terminal setting prompts. | |
582 | The regexp should match at end of buffer. | |
583 | The answer will be provided by `tramp-action-terminal', which see." | |
584 | :group 'tramp | |
585 | :type 'regexp) | |
3cdaec13 | 586 | |
01917a18 MA |
587 | (defcustom tramp-operation-not-permitted-regexp |
588 | (concat "\\(" "preserving times.*" "\\|" "set mode" "\\)" ":\\s-*" | |
589 | (regexp-opt '("Operation not permitted") t)) | |
590 | "Regular expression matching keep-date problems in (s)cp operations. | |
591 | Copying has been performed successfully already, so this message can | |
592 | be ignored safely." | |
593 | :group 'tramp | |
594 | :type 'regexp) | |
595 | ||
6b2633cc LH |
596 | (defcustom tramp-copy-failed-regexp |
597 | (concat "\\(.+: " | |
598 | (regexp-opt '("Permission denied" | |
599 | "not a regular file" | |
600 | "is a directory" | |
601 | "No such file or directory") t) | |
602 | "\\)\\s-*") | |
603 | "Regular expression matching copy problems in (s)cp operations." | |
604 | :group 'tramp | |
605 | :type 'regexp) | |
606 | ||
19a87064 | 607 | (defcustom tramp-process-alive-regexp |
38c65fca | 608 | "" |
19a87064 | 609 | "Regular expression indicating a process has finished. |
38c65fca KG |
610 | In fact this expression is empty by intention, it will be used only to |
611 | check regularly the status of the associated process. | |
07dfe738 | 612 | The answer will be provided by `tramp-action-process-alive', |
00d6fd04 | 613 | `tramp-action-out-of-band', which see." |
38c65fca KG |
614 | :group 'tramp |
615 | :type 'regexp) | |
616 | ||
03c1ad43 | 617 | (defconst tramp-temp-name-prefix "tramp." |
fb7ada5f | 618 | "Prefix to use for temporary files. |
fb7933a3 KG |
619 | If this is a relative file name (such as \"tramp.\"), it is considered |
620 | relative to the directory name returned by the function | |
9e6ab520 | 621 | `tramp-compat-temporary-file-directory' (which see). It may also be an |
fb7933a3 | 622 | absolute file name; don't forget to include a prefix for the filename |
03c1ad43 | 623 | part, though.") |
fb7933a3 | 624 | |
2296b54d MA |
625 | (defconst tramp-temp-buffer-name " *tramp temp*" |
626 | "Buffer name for a temporary buffer. | |
627 | It shall be used in combination with `generate-new-buffer-name'.") | |
628 | ||
b88f2d0a MA |
629 | (defvar tramp-temp-buffer-file-name nil |
630 | "File name of a persistent local temporary file. | |
631 | Useful for \"rsync\" like methods.") | |
632 | (make-variable-buffer-local 'tramp-temp-buffer-file-name) | |
d68b0220 | 633 | (put 'tramp-temp-buffer-file-name 'permanent-local t) |
b88f2d0a | 634 | |
00d6fd04 MA |
635 | ;; XEmacs is distributed with few Lisp packages. Further packages are |
636 | ;; installed using EFS. If we use a unified filename format, then | |
637 | ;; Tramp is required in addition to EFS. (But why can't Tramp just | |
638 | ;; disable EFS when Tramp is loaded? Then XEmacs can ship with EFS | |
639 | ;; just like before.) Another reason for using a separate filename | |
640 | ;; syntax on XEmacs is that EFS hooks into XEmacs in many places, but | |
641 | ;; Tramp only knows how to deal with `file-name-handler-alist', not | |
642 | ;; the other places. | |
643 | ||
644 | ;; Currently, we have the choice between 'ftp, 'sep, and 'url. | |
645 | ;;;###autoload | |
646 | (defcustom tramp-syntax | |
647 | (if (featurep 'xemacs) 'sep 'ftp) | |
648 | "Tramp filename syntax to be used. | |
649 | ||
650 | It can have the following values: | |
651 | ||
652 | 'ftp -- Ange-FTP respective EFS like syntax (GNU Emacs default) | |
653 | 'sep -- Syntax as defined for XEmacs (not available yet for GNU Emacs) | |
654 | 'url -- URL-like syntax." | |
16674e4f | 655 | :group 'tramp |
00d6fd04 MA |
656 | :type (if (featurep 'xemacs) |
657 | '(choice (const :tag "EFS" ftp) | |
658 | (const :tag "XEmacs" sep) | |
659 | (const :tag "URL" url)) | |
660 | '(choice (const :tag "Ange-FTP" ftp) | |
661 | (const :tag "URL" url)))) | |
662 | ||
663 | (defconst tramp-prefix-format | |
664 | (cond ((equal tramp-syntax 'ftp) "/") | |
665 | ((equal tramp-syntax 'sep) "/[") | |
666 | ((equal tramp-syntax 'url) "/") | |
667 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 668 | "String matching the very beginning of Tramp file names. |
00d6fd04 | 669 | Used in `tramp-make-tramp-file-name'.") |
16674e4f | 670 | |
00d6fd04 | 671 | (defconst tramp-prefix-regexp |
16674e4f | 672 | (concat "^" (regexp-quote tramp-prefix-format)) |
fb7ada5f | 673 | "Regexp matching the very beginning of Tramp file names. |
00d6fd04 | 674 | Should always start with \"^\". Derived from `tramp-prefix-format'.") |
16674e4f | 675 | |
00d6fd04 | 676 | (defconst tramp-method-regexp |
16674e4f | 677 | "[a-zA-Z_0-9-]+" |
fb7ada5f | 678 | "Regexp matching methods identifiers.") |
16674e4f | 679 | |
00d6fd04 MA |
680 | (defconst tramp-postfix-method-format |
681 | (cond ((equal tramp-syntax 'ftp) ":") | |
682 | ((equal tramp-syntax 'sep) "/") | |
683 | ((equal tramp-syntax 'url) "://") | |
684 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 685 | "String matching delimiter between method and user or host names. |
00d6fd04 | 686 | Used in `tramp-make-tramp-file-name'.") |
16674e4f | 687 | |
00d6fd04 MA |
688 | (defconst tramp-postfix-method-regexp |
689 | (regexp-quote tramp-postfix-method-format) | |
fb7ada5f | 690 | "Regexp matching delimiter between method and user or host names. |
00d6fd04 | 691 | Derived from `tramp-postfix-method-format'.") |
16674e4f | 692 | |
2fe4b125 | 693 | (defconst tramp-user-regexp "[^/|: \t]+" |
fb7ada5f | 694 | "Regexp matching user names.") |
16674e4f | 695 | |
b191c9d9 | 696 | ;;;###tramp-autoload |
b96e6899 | 697 | (defconst tramp-prefix-domain-format "%" |
fb7ada5f | 698 | "String matching delimiter between user and domain names.") |
b96e6899 | 699 | |
b191c9d9 | 700 | ;;;###tramp-autoload |
b96e6899 MA |
701 | (defconst tramp-prefix-domain-regexp |
702 | (regexp-quote tramp-prefix-domain-format) | |
fb7ada5f | 703 | "Regexp matching delimiter between user and domain names. |
b96e6899 MA |
704 | Derived from `tramp-prefix-domain-format'.") |
705 | ||
03c1ad43 | 706 | (defconst tramp-domain-regexp "[-a-zA-Z0-9_.]+" |
fb7ada5f | 707 | "Regexp matching domain names.") |
b96e6899 MA |
708 | |
709 | (defconst tramp-user-with-domain-regexp | |
710 | (concat "\\(" tramp-user-regexp "\\)" | |
711 | tramp-prefix-domain-regexp | |
712 | "\\(" tramp-domain-regexp "\\)") | |
fb7ada5f | 713 | "Regexp matching user names with domain names.") |
b96e6899 | 714 | |
03c1ad43 | 715 | (defconst tramp-postfix-user-format "@" |
fb7ada5f | 716 | "String matching delimiter between user and host names. |
00d6fd04 | 717 | Used in `tramp-make-tramp-file-name'.") |
16674e4f | 718 | |
00d6fd04 | 719 | (defconst tramp-postfix-user-regexp |
16674e4f | 720 | (regexp-quote tramp-postfix-user-format) |
fb7ada5f | 721 | "Regexp matching delimiter between user and host names. |
00d6fd04 MA |
722 | Derived from `tramp-postfix-user-format'.") |
723 | ||
03c1ad43 | 724 | (defconst tramp-host-regexp "[a-zA-Z0-9_.-]+" |
fb7ada5f | 725 | "Regexp matching host names.") |
00d6fd04 | 726 | |
b96e6899 MA |
727 | (defconst tramp-prefix-ipv6-format |
728 | (cond ((equal tramp-syntax 'ftp) "[") | |
729 | ((equal tramp-syntax 'sep) "") | |
730 | ((equal tramp-syntax 'url) "[") | |
731 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 732 | "String matching left hand side of IPv6 addresses. |
b96e6899 MA |
733 | Used in `tramp-make-tramp-file-name'.") |
734 | ||
735 | (defconst tramp-prefix-ipv6-regexp | |
736 | (regexp-quote tramp-prefix-ipv6-format) | |
fb7ada5f | 737 | "Regexp matching left hand side of IPv6 addresses. |
b96e6899 MA |
738 | Derived from `tramp-prefix-ipv6-format'.") |
739 | ||
e0b6e3b9 MA |
740 | ;; The following regexp is a bit sloppy. But it shall serve our |
741 | ;; purposes. It covers also IPv4 mapped IPv6 addresses, like in | |
742 | ;; "::ffff:192.168.0.1". | |
b96e6899 | 743 | (defconst tramp-ipv6-regexp |
e0b6e3b9 | 744 | "\\(?:\\(?:[a-zA-Z0-9]+\\)?:\\)+[a-zA-Z0-9.]+" |
fb7ada5f | 745 | "Regexp matching IPv6 addresses.") |
b96e6899 MA |
746 | |
747 | (defconst tramp-postfix-ipv6-format | |
748 | (cond ((equal tramp-syntax 'ftp) "]") | |
749 | ((equal tramp-syntax 'sep) "") | |
750 | ((equal tramp-syntax 'url) "]") | |
751 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 752 | "String matching right hand side of IPv6 addresses. |
b96e6899 MA |
753 | Used in `tramp-make-tramp-file-name'.") |
754 | ||
755 | (defconst tramp-postfix-ipv6-regexp | |
756 | (regexp-quote tramp-postfix-ipv6-format) | |
fb7ada5f | 757 | "Regexp matching right hand side of IPv6 addresses. |
b96e6899 MA |
758 | Derived from `tramp-postfix-ipv6-format'.") |
759 | ||
00d6fd04 MA |
760 | (defconst tramp-prefix-port-format |
761 | (cond ((equal tramp-syntax 'ftp) "#") | |
762 | ((equal tramp-syntax 'sep) "#") | |
763 | ((equal tramp-syntax 'url) ":") | |
764 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 765 | "String matching delimiter between host names and port numbers.") |
00d6fd04 MA |
766 | |
767 | (defconst tramp-prefix-port-regexp | |
768 | (regexp-quote tramp-prefix-port-format) | |
fb7ada5f | 769 | "Regexp matching delimiter between host names and port numbers. |
00d6fd04 MA |
770 | Derived from `tramp-prefix-port-format'.") |
771 | ||
03c1ad43 | 772 | (defconst tramp-port-regexp "[0-9]+" |
fb7ada5f | 773 | "Regexp matching port numbers.") |
00d6fd04 MA |
774 | |
775 | (defconst tramp-host-with-port-regexp | |
776 | (concat "\\(" tramp-host-regexp "\\)" | |
777 | tramp-prefix-port-regexp | |
778 | "\\(" tramp-port-regexp "\\)") | |
fb7ada5f | 779 | "Regexp matching host names with port numbers.") |
00d6fd04 | 780 | |
2fe4b125 MA |
781 | (defconst tramp-postfix-hop-format "|" |
782 | "String matching delimiter after ad-hoc hop definitions.") | |
783 | ||
784 | (defconst tramp-postfix-hop-regexp | |
785 | (regexp-quote tramp-postfix-hop-format) | |
786 | "Regexp matching delimiter after ad-hoc hop definitions. | |
787 | Derived from `tramp-postfix-hop-format'.") | |
788 | ||
00d6fd04 MA |
789 | (defconst tramp-postfix-host-format |
790 | (cond ((equal tramp-syntax 'ftp) ":") | |
791 | ((equal tramp-syntax 'sep) "]") | |
792 | ((equal tramp-syntax 'url) "") | |
793 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 794 | "String matching delimiter between host names and localnames. |
00d6fd04 | 795 | Used in `tramp-make-tramp-file-name'.") |
16674e4f | 796 | |
00d6fd04 | 797 | (defconst tramp-postfix-host-regexp |
16674e4f | 798 | (regexp-quote tramp-postfix-host-format) |
fb7ada5f | 799 | "Regexp matching delimiter between host names and localnames. |
00d6fd04 | 800 | Derived from `tramp-postfix-host-format'.") |
16674e4f | 801 | |
03c1ad43 | 802 | (defconst tramp-localname-regexp ".*$" |
fb7ada5f | 803 | "Regexp matching localnames.") |
16674e4f | 804 | |
4a93e698 | 805 | ;;; File name format: |
505edaeb | 806 | |
2fe4b125 MA |
807 | (defconst tramp-remote-file-name-spec-regexp |
808 | (concat | |
809 | "\\(?:" "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp "\\)?" | |
810 | "\\(?:" "\\(" tramp-user-regexp "\\)" tramp-postfix-user-regexp "\\)?" | |
811 | "\\(" "\\(?:" tramp-host-regexp "\\|" | |
812 | tramp-prefix-ipv6-regexp tramp-ipv6-regexp | |
813 | tramp-postfix-ipv6-regexp "\\)" | |
814 | "\\(?:" tramp-prefix-port-regexp tramp-port-regexp "\\)?" "\\)?") | |
815 | "Regular expression matching a Tramp file name between prefix and postfix.") | |
816 | ||
00d6fd04 | 817 | (defconst tramp-file-name-structure |
16674e4f KG |
818 | (list |
819 | (concat | |
820 | tramp-prefix-regexp | |
2fe4b125 MA |
821 | "\\(" "\\(?:" tramp-remote-file-name-spec-regexp |
822 | tramp-postfix-hop-regexp "\\)+" "\\)?" | |
823 | tramp-remote-file-name-spec-regexp tramp-postfix-host-regexp | |
00d6fd04 | 824 | "\\(" tramp-localname-regexp "\\)") |
2fe4b125 MA |
825 | 5 6 7 8 1) |
826 | "List of six elements (REGEXP METHOD USER HOST FILE HOP), detailing \ | |
a4aeb9a4 | 827 | the Tramp file name structure. |
fb7933a3 | 828 | |
a4aeb9a4 | 829 | The first element REGEXP is a regular expression matching a Tramp file |
fb7933a3 KG |
830 | name. The regex should contain parentheses around the method name, |
831 | the user name, the host name, and the file name parts. | |
832 | ||
833 | The second element METHOD is a number, saying which pair of | |
834 | parentheses matches the method name. The third element USER is | |
835 | similar, but for the user name. The fourth element HOST is similar, | |
836 | but for the host name. The fifth element FILE is for the file name. | |
2fe4b125 MA |
837 | The last element HOP is the ad-hoc hop definition, which could be a |
838 | cascade of several hops. | |
839 | ||
fb7933a3 KG |
840 | These numbers are passed directly to `match-string', which see. That |
841 | means the opening parentheses are counted to identify the pair. | |
842 | ||
00d6fd04 | 843 | See also `tramp-file-name-regexp'.") |
fb7933a3 KG |
844 | |
845 | ;;;###autoload | |
505edaeb | 846 | (defconst tramp-file-name-regexp-unified |
1eb5ca1c | 847 | (if (memq system-type '(cygwin windows-nt)) |
2fe4b125 MA |
848 | "\\`/\\([^[/|:]\\{2,\\}\\|[^/|]\\{2,\\}]\\):" |
849 | "\\`/\\([^[/|:]+\\|[^/|]+]\\):") | |
505edaeb KG |
850 | "Value for `tramp-file-name-regexp' for unified remoting. |
851 | Emacs (not XEmacs) uses a unified filename syntax for Ange-FTP and | |
1eb5ca1c MA |
852 | Tramp. See `tramp-file-name-structure' for more explanations. |
853 | ||
854 | On W32 systems, the volume letter must be ignored.") | |
505edaeb KG |
855 | |
856 | ;;;###autoload | |
03c1ad43 | 857 | (defconst tramp-file-name-regexp-separate "\\`/\\[.*\\]" |
505edaeb KG |
858 | "Value for `tramp-file-name-regexp' for separate remoting. |
859 | XEmacs uses a separate filename syntax for Tramp and EFS. | |
00d6fd04 | 860 | See `tramp-file-name-structure' for more explanations.") |
505edaeb KG |
861 | |
862 | ;;;###autoload | |
2fe4b125 | 863 | (defconst tramp-file-name-regexp-url "\\`/[^/|:]+://" |
00d6fd04 MA |
864 | "Value for `tramp-file-name-regexp' for URL-like remoting. |
865 | See `tramp-file-name-structure' for more explanations.") | |
866 | ||
867 | ;;;###autoload | |
868 | (defconst tramp-file-name-regexp | |
869 | (cond ((equal tramp-syntax 'ftp) tramp-file-name-regexp-unified) | |
870 | ((equal tramp-syntax 'sep) tramp-file-name-regexp-separate) | |
871 | ((equal tramp-syntax 'url) tramp-file-name-regexp-url) | |
872 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 873 | "Regular expression matching file names handled by Tramp. |
a4aeb9a4 | 874 | This regexp should match Tramp file names but no other file names. |
b533bc97 | 875 | When tramp.el is loaded, this regular expression is prepended to |
fb7933a3 | 876 | `file-name-handler-alist', and that is searched sequentially. Thus, |
a4aeb9a4 MA |
877 | if the Tramp entry appears rather early in the `file-name-handler-alist' |
878 | and is a bit too general, then some files might be considered Tramp | |
00d6fd04 | 879 | files which are not really Tramp files. |
fb7933a3 KG |
880 | |
881 | Please note that the entry in `file-name-handler-alist' is made when | |
b533bc97 | 882 | this file \(tramp.el\) is loaded. This means that this variable must be set |
fb7933a3 KG |
883 | before loading tramp.el. Alternatively, `file-name-handler-alist' can be |
884 | updated after changing this variable. | |
885 | ||
00d6fd04 | 886 | Also see `tramp-file-name-structure'.") |
fb7933a3 | 887 | |
8a798e41 MA |
888 | ;;;###autoload |
889 | (defconst tramp-completion-file-name-regexp-unified | |
1eb5ca1c | 890 | (if (memq system-type '(cygwin windows-nt)) |
5bc3b51d | 891 | "\\`/[^/]\\{2,\\}\\'" "\\`/[^/]*\\'") |
16674e4f | 892 | "Value for `tramp-completion-file-name-regexp' for unified remoting. |
8a798e41 | 893 | GNU Emacs uses a unified filename syntax for Tramp and Ange-FTP. |
1eb5ca1c MA |
894 | See `tramp-file-name-structure' for more explanations. |
895 | ||
896 | On W32 systems, the volume letter must be ignored.") | |
fb7933a3 | 897 | |
16674e4f KG |
898 | ;;;###autoload |
899 | (defconst tramp-completion-file-name-regexp-separate | |
5bc3b51d | 900 | "\\`/\\([[][^]]*\\)?\\'" |
16674e4f KG |
901 | "Value for `tramp-completion-file-name-regexp' for separate remoting. |
902 | XEmacs uses a separate filename syntax for Tramp and EFS. | |
00d6fd04 | 903 | See `tramp-file-name-structure' for more explanations.") |
fb7933a3 | 904 | |
16674e4f | 905 | ;;;###autoload |
00d6fd04 | 906 | (defconst tramp-completion-file-name-regexp-url |
5bc3b51d | 907 | "\\`/[^/:]+\\(:\\(/\\(/[^/]*\\)?\\)?\\)?\\'" |
00d6fd04 MA |
908 | "Value for `tramp-completion-file-name-regexp' for URL-like remoting. |
909 | See `tramp-file-name-structure' for more explanations.") | |
910 | ||
911 | ;;;###autoload | |
912 | (defconst tramp-completion-file-name-regexp | |
913 | (cond ((equal tramp-syntax 'ftp) tramp-completion-file-name-regexp-unified) | |
914 | ((equal tramp-syntax 'sep) tramp-completion-file-name-regexp-separate) | |
915 | ((equal tramp-syntax 'url) tramp-completion-file-name-regexp-url) | |
916 | (t (error "Wrong `tramp-syntax' defined"))) | |
fb7ada5f | 917 | "Regular expression matching file names handled by Tramp completion. |
a4aeb9a4 | 918 | This regexp should match partial Tramp file names only. |
16674e4f KG |
919 | |
920 | Please note that the entry in `file-name-handler-alist' is made when | |
921 | this file (tramp.el) is loaded. This means that this variable must be set | |
922 | before loading tramp.el. Alternatively, `file-name-handler-alist' can be | |
923 | updated after changing this variable. | |
924 | ||
00d6fd04 | 925 | Also see `tramp-file-name-structure'.") |
fb7933a3 | 926 | |
00d6fd04 | 927 | ;; Chunked sending kludge. We set this to 500 for black-listed constellations |
7432277c | 928 | ;; known to have a bug in `process-send-string'; some ssh connections appear |
7177e2a3 MA |
929 | ;; to drop bytes when data is sent too quickly. There is also a connection |
930 | ;; buffer local variable, which is computed depending on remote host properties | |
931 | ;; when `tramp-chunksize' is zero or nil. | |
7432277c KG |
932 | (defcustom tramp-chunksize |
933 | (when (and (not (featurep 'xemacs)) | |
934 | (memq system-type '(hpux))) | |
935 | 500) | |
55880756 MA |
936 | ;; Parentheses in docstring starting at beginning of line are escaped. |
937 | ;; Fontification is messed up when | |
938 | ;; `open-paren-in-column-0-is-defun-start' set to t. | |
fb7ada5f | 939 | "If non-nil, chunksize for sending input to local process. |
7432277c KG |
940 | It is necessary only on systems which have a buggy `process-send-string' |
941 | implementation. The necessity, whether this variable must be set, can be | |
942 | checked via the following code: | |
943 | ||
944 | (with-temp-buffer | |
11948172 MA |
945 | (let* ((user \"xxx\") (host \"yyy\") |
946 | (init 0) (step 50) | |
947 | (sent init) (received init)) | |
948 | (while (= sent received) | |
949 | (setq sent (+ sent step)) | |
950 | (erase-buffer) | |
951 | (let ((proc (start-process (buffer-name) (current-buffer) | |
952 | \"ssh\" \"-l\" user host \"wc\" \"-c\"))) | |
953 | (when (memq (process-status proc) '(run open)) | |
954 | (process-send-string proc (make-string sent ?\\ )) | |
955 | (process-send-eof proc) | |
956 | (process-send-eof proc)) | |
957 | (while (not (progn (goto-char (point-min)) | |
958 | (re-search-forward \"\\\\w+\" (point-max) t))) | |
959 | (accept-process-output proc 1)) | |
960 | (when (memq (process-status proc) '(run open)) | |
961 | (setq received (string-to-number (match-string 0))) | |
962 | (delete-process proc) | |
963 | (message \"Bytes sent: %s\\tBytes received: %s\" sent received) | |
964 | (sit-for 0)))) | |
965 | (if (> sent (+ init step)) | |
966 | (message \"You should set `tramp-chunksize' to a maximum of %s\" | |
967 | (- sent step)) | |
968 | (message \"Test does not work\") | |
969 | (display-buffer (current-buffer)) | |
970 | (sit-for 30)))) | |
971 | ||
972 | In the Emacs normally running Tramp, evaluate the above code | |
55880756 | 973 | \(replace \"xxx\" and \"yyy\" by the remote user and host name, |
b533bc97 | 974 | respectively\). You can do this, for example, by pasting it into |
11948172 MA |
975 | the `*scratch*' buffer and then hitting C-j with the cursor after the |
976 | last closing parenthesis. Note that it works only if you have configured | |
b533bc97 | 977 | \"ssh\" to run without password query, see ssh-agent\(1\). |
11948172 MA |
978 | |
979 | You will see the number of bytes sent successfully to the remote host. | |
980 | If that number exceeds 1000, you can stop the execution by hitting | |
981 | C-g, because your Emacs is likely clean. | |
982 | ||
11948172 | 983 | When it is necessary to set `tramp-chunksize', you might consider to |
b533bc97 MA |
984 | use an out-of-the-band method \(like \"scp\"\) instead of an internal one |
985 | \(like \"ssh\"\), because setting `tramp-chunksize' to non-nil decreases | |
11948172 | 986 | performance. |
c951aecb | 987 | |
00d6fd04 MA |
988 | If your Emacs is buggy, the code stops and gives you an indication |
989 | about the value `tramp-chunksize' should be set. Maybe you could just | |
990 | experiment a bit, e.g. changing the values of `init' and `step' | |
991 | in the third line of the code. | |
992 | ||
7432277c KG |
993 | Please raise a bug report via \"M-x tramp-bug\" if your system needs |
994 | this variable to be set as well." | |
995 | :group 'tramp | |
b1a2b924 | 996 | :type '(choice (const nil) integer)) |
7432277c | 997 | |
5ec2cc41 KG |
998 | ;; Logging in to a remote host normally requires obtaining a pty. But |
999 | ;; Emacs on MacOS X has process-connection-type set to nil by default, | |
1000 | ;; so on those systems Tramp doesn't obtain a pty. Here, we allow | |
1001 | ;; for an override of the system default. | |
1002 | (defcustom tramp-process-connection-type t | |
1003 | "Overrides `process-connection-type' for connections from Tramp. | |
1004 | Tramp binds process-connection-type to the value given here before | |
1005 | opening a connection to a remote host." | |
1006 | :group 'tramp | |
1007 | :type '(choice (const nil) (const t) (const pty))) | |
1008 | ||
b50dd0d2 MA |
1009 | (defcustom tramp-completion-reread-directory-timeout 10 |
1010 | "Defines seconds since last remote command before rereading a directory. | |
1011 | A remote directory might have changed its contents. In order to | |
1012 | make it visible during file name completion in the minibuffer, | |
1013 | Tramp flushes its cache and rereads the directory contents when | |
1014 | more than `tramp-completion-reread-directory-timeout' seconds | |
4bc3c53d MA |
1015 | have been gone since last remote command execution. A value of `t' |
1016 | would require an immediate reread during filename completion, `nil' | |
b50dd0d2 MA |
1017 | means to use always cached values for the directory contents." |
1018 | :group 'tramp | |
1019 | :type '(choice (const nil) integer)) | |
1020 | ||
fb7933a3 KG |
1021 | ;;; Internal Variables: |
1022 | ||
fb7933a3 | 1023 | (defvar tramp-current-method nil |
00d6fd04 | 1024 | "Connection method for this *tramp* buffer.") |
fb7933a3 KG |
1025 | |
1026 | (defvar tramp-current-user nil | |
00d6fd04 | 1027 | "Remote login name for this *tramp* buffer.") |
fb7933a3 KG |
1028 | |
1029 | (defvar tramp-current-host nil | |
00d6fd04 MA |
1030 | "Remote host for this *tramp* buffer.") |
1031 | ||
a01b1e22 | 1032 | ;;;###autoload |
16674e4f | 1033 | (defconst tramp-completion-file-name-handler-alist |
a01b1e22 | 1034 | '((file-name-all-completions . tramp-completion-handle-file-name-all-completions) |
41c8e348 | 1035 | (file-name-completion . tramp-completion-handle-file-name-completion)) |
16674e4f | 1036 | "Alist of completion handler functions. |
03c1ad43 MA |
1037 | Used for file names matching `tramp-file-name-regexp'. Operations |
1038 | not mentioned here will be handled by Tramp's file name handler | |
1039 | functions, or the normal Emacs functions.") | |
16674e4f | 1040 | |
4007ba5b | 1041 | ;; Handlers for foreign methods, like FTP or SMB, shall be plugged here. |
0f34aa77 | 1042 | ;;;###tramp-autoload |
03c1ad43 | 1043 | (defvar tramp-foreign-file-name-handler-alist nil |
4007ba5b KG |
1044 | "Alist of elements (FUNCTION . HANDLER) for foreign methods handled specially. |
1045 | If (FUNCTION FILENAME) returns non-nil, then all I/O on that file is done by | |
1046 | calling HANDLER.") | |
1047 | ||
0664ff72 | 1048 | ;;; Internal functions which must come first: |
fb7933a3 | 1049 | |
0f34aa77 MA |
1050 | ;; Conversion functions between external representation and |
1051 | ;; internal data structure. Convenience functions for internal | |
1052 | ;; data structure. | |
1053 | ||
2fe4b125 MA |
1054 | (defun tramp-get-method-parameter (method param) |
1055 | "Return the method parameter PARAM. | |
1056 | If the `tramp-methods' entry does not exist, return nil." | |
1057 | (let ((entry (assoc param (assoc method tramp-methods)))) | |
1058 | (when entry (cadr entry)))) | |
1059 | ||
0f34aa77 MA |
1060 | (defun tramp-file-name-p (vec) |
1061 | "Check, whether VEC is a Tramp object." | |
2fe4b125 | 1062 | (and (vectorp vec) (= 5 (length vec)))) |
0f34aa77 MA |
1063 | |
1064 | (defun tramp-file-name-method (vec) | |
1065 | "Return method component of VEC." | |
1066 | (and (tramp-file-name-p vec) (aref vec 0))) | |
1067 | ||
1068 | (defun tramp-file-name-user (vec) | |
1069 | "Return user component of VEC." | |
1070 | (and (tramp-file-name-p vec) (aref vec 1))) | |
1071 | ||
1072 | (defun tramp-file-name-host (vec) | |
1073 | "Return host component of VEC." | |
1074 | (and (tramp-file-name-p vec) (aref vec 2))) | |
1075 | ||
1076 | (defun tramp-file-name-localname (vec) | |
1077 | "Return localname component of VEC." | |
1078 | (and (tramp-file-name-p vec) (aref vec 3))) | |
1079 | ||
2fe4b125 MA |
1080 | (defun tramp-file-name-hop (vec) |
1081 | "Return hop component of VEC." | |
1082 | (and (tramp-file-name-p vec) (aref vec 4))) | |
1083 | ||
0f34aa77 MA |
1084 | ;; The user part of a Tramp file name vector can be of kind |
1085 | ;; "user%domain". Sometimes, we must extract these parts. | |
1086 | (defun tramp-file-name-real-user (vec) | |
1087 | "Return the user name of VEC without domain." | |
1088 | (save-match-data | |
1089 | (let ((user (tramp-file-name-user vec))) | |
1090 | (if (and (stringp user) | |
1091 | (string-match tramp-user-with-domain-regexp user)) | |
1092 | (match-string 1 user) | |
1093 | user)))) | |
1094 | ||
1095 | (defun tramp-file-name-domain (vec) | |
1096 | "Return the domain name of VEC." | |
1097 | (save-match-data | |
1098 | (let ((user (tramp-file-name-user vec))) | |
1099 | (and (stringp user) | |
1100 | (string-match tramp-user-with-domain-regexp user) | |
1101 | (match-string 2 user))))) | |
1102 | ||
1103 | ;; The host part of a Tramp file name vector can be of kind | |
1104 | ;; "host#port". Sometimes, we must extract these parts. | |
1105 | (defun tramp-file-name-real-host (vec) | |
1106 | "Return the host name of VEC without port." | |
1107 | (save-match-data | |
1108 | (let ((host (tramp-file-name-host vec))) | |
1109 | (if (and (stringp host) | |
1110 | (string-match tramp-host-with-port-regexp host)) | |
1111 | (match-string 1 host) | |
1112 | host)))) | |
1113 | ||
1114 | (defun tramp-file-name-port (vec) | |
1115 | "Return the port number of VEC." | |
1116 | (save-match-data | |
66feec8b MA |
1117 | (let ((method (tramp-file-name-method vec)) |
1118 | (host (tramp-file-name-host vec))) | |
1119 | (or (and (stringp host) | |
1120 | (string-match tramp-host-with-port-regexp host) | |
1121 | (string-to-number (match-string 2 host))) | |
1122 | (tramp-get-method-parameter method 'tramp-default-port))))) | |
0f34aa77 MA |
1123 | |
1124 | ;;;###tramp-autoload | |
1125 | (defun tramp-tramp-file-p (name) | |
1126 | "Return t if NAME is a string with Tramp file name syntax." | |
1127 | (save-match-data | |
1128 | (and (stringp name) (string-match tramp-file-name-regexp name)))) | |
1129 | ||
1130 | (defun tramp-find-method (method user host) | |
1131 | "Return the right method string to use. | |
1132 | This is METHOD, if non-nil. Otherwise, do a lookup in | |
1133 | `tramp-default-method-alist'." | |
1134 | (or method | |
1135 | (let ((choices tramp-default-method-alist) | |
1136 | lmethod item) | |
1137 | (while choices | |
1138 | (setq item (pop choices)) | |
1139 | (when (and (string-match (or (nth 0 item) "") (or host "")) | |
1140 | (string-match (or (nth 1 item) "") (or user ""))) | |
1141 | (setq lmethod (nth 2 item)) | |
1142 | (setq choices nil))) | |
1143 | lmethod) | |
1144 | tramp-default-method)) | |
1145 | ||
1146 | (defun tramp-find-user (method user host) | |
1147 | "Return the right user string to use. | |
1148 | This is USER, if non-nil. Otherwise, do a lookup in | |
1149 | `tramp-default-user-alist'." | |
1150 | (or user | |
1151 | (let ((choices tramp-default-user-alist) | |
1152 | luser item) | |
1153 | (while choices | |
1154 | (setq item (pop choices)) | |
1155 | (when (and (string-match (or (nth 0 item) "") (or method "")) | |
1156 | (string-match (or (nth 1 item) "") (or host ""))) | |
1157 | (setq luser (nth 2 item)) | |
1158 | (setq choices nil))) | |
1159 | luser) | |
1160 | tramp-default-user)) | |
1161 | ||
1162 | (defun tramp-find-host (method user host) | |
1163 | "Return the right host string to use. | |
1164 | This is HOST, if non-nil. Otherwise, it is `tramp-default-host'." | |
1165 | (or (and (> (length host) 0) host) | |
1166 | tramp-default-host)) | |
1167 | ||
1168 | (defun tramp-dissect-file-name (name &optional nodefault) | |
1169 | "Return a `tramp-file-name' structure. | |
1170 | The structure consists of remote method, remote user, remote host | |
1171 | and localname (file name on remote host). If NODEFAULT is | |
1172 | non-nil, the file name parts are not expanded to their default | |
1173 | values." | |
1174 | (save-match-data | |
1175 | (let ((match (string-match (nth 0 tramp-file-name-structure) name))) | |
1176 | (unless match (error "Not a Tramp file name: %s" name)) | |
1177 | (let ((method (match-string (nth 1 tramp-file-name-structure) name)) | |
1178 | (user (match-string (nth 2 tramp-file-name-structure) name)) | |
1179 | (host (match-string (nth 3 tramp-file-name-structure) name)) | |
2fe4b125 MA |
1180 | (localname (match-string (nth 4 tramp-file-name-structure) name)) |
1181 | (hop (match-string (nth 5 tramp-file-name-structure) name))) | |
0f34aa77 MA |
1182 | (when host |
1183 | (when (string-match tramp-prefix-ipv6-regexp host) | |
1184 | (setq host (replace-match "" nil t host))) | |
1185 | (when (string-match tramp-postfix-ipv6-regexp host) | |
1186 | (setq host (replace-match "" nil t host)))) | |
1187 | (if nodefault | |
2fe4b125 | 1188 | (vector method user host localname hop) |
0f34aa77 MA |
1189 | (vector |
1190 | (tramp-find-method method user host) | |
1191 | (tramp-find-user method user host) | |
1192 | (tramp-find-host method user host) | |
2fe4b125 | 1193 | localname hop)))))) |
0f34aa77 MA |
1194 | |
1195 | (defun tramp-buffer-name (vec) | |
1196 | "A name for the connection buffer VEC." | |
1197 | ;; We must use `tramp-file-name-real-host', because for gateway | |
1198 | ;; methods the default port will be expanded later on, which would | |
1199 | ;; tamper the name. | |
1200 | (let ((method (tramp-file-name-method vec)) | |
1201 | (user (tramp-file-name-user vec)) | |
1202 | (host (tramp-file-name-real-host vec))) | |
1203 | (if (not (zerop (length user))) | |
1204 | (format "*tramp/%s %s@%s*" method user host) | |
1205 | (format "*tramp/%s %s*" method host)))) | |
1206 | ||
2fe4b125 MA |
1207 | (defun tramp-make-tramp-file-name (method user host localname &optional hop) |
1208 | "Constructs a Tramp file name from METHOD, USER, HOST and LOCALNAME. | |
1209 | When not nil, an optional HOP is prepended." | |
1210 | (concat tramp-prefix-format hop | |
0f34aa77 MA |
1211 | (when (not (zerop (length method))) |
1212 | (concat method tramp-postfix-method-format)) | |
1213 | (when (not (zerop (length user))) | |
1214 | (concat user tramp-postfix-user-format)) | |
1215 | (when host | |
1216 | (if (string-match tramp-ipv6-regexp host) | |
1217 | (concat tramp-prefix-ipv6-format host tramp-postfix-ipv6-format) | |
1218 | host)) | |
1219 | tramp-postfix-host-format | |
1220 | (when localname localname))) | |
1221 | ||
1222 | (defun tramp-completion-make-tramp-file-name (method user host localname) | |
1223 | "Constructs a Tramp file name from METHOD, USER, HOST and LOCALNAME. | |
1224 | It must not be a complete Tramp file name, but as long as there are | |
1225 | necessary only. This function will be used in file name completion." | |
1226 | (concat tramp-prefix-format | |
1227 | (when (not (zerop (length method))) | |
1228 | (concat method tramp-postfix-method-format)) | |
1229 | (when (not (zerop (length user))) | |
1230 | (concat user tramp-postfix-user-format)) | |
1231 | (when (not (zerop (length host))) | |
1232 | (concat | |
1233 | (if (string-match tramp-ipv6-regexp host) | |
03c1ad43 MA |
1234 | (concat |
1235 | tramp-prefix-ipv6-format host tramp-postfix-ipv6-format) | |
0f34aa77 MA |
1236 | host) |
1237 | tramp-postfix-host-format)) | |
1238 | (when localname localname))) | |
1239 | ||
1240 | (defun tramp-get-buffer (vec) | |
1241 | "Get the connection buffer to be used for VEC." | |
1242 | (or (get-buffer (tramp-buffer-name vec)) | |
1243 | (with-current-buffer (get-buffer-create (tramp-buffer-name vec)) | |
1244 | (setq buffer-undo-list t) | |
1245 | (setq default-directory | |
1246 | (tramp-make-tramp-file-name | |
1247 | (tramp-file-name-method vec) | |
1248 | (tramp-file-name-user vec) | |
1249 | (tramp-file-name-host vec) | |
1250 | "/")) | |
1251 | (current-buffer)))) | |
1252 | ||
1253 | (defun tramp-get-connection-buffer (vec) | |
1254 | "Get the connection buffer to be used for VEC. | |
1255 | In case a second asynchronous communication has been started, it is different | |
1256 | from `tramp-get-buffer'." | |
1257 | (or (tramp-get-connection-property vec "process-buffer" nil) | |
1258 | (tramp-get-buffer vec))) | |
1259 | ||
66feec8b MA |
1260 | (defun tramp-get-connection-name (vec) |
1261 | "Get the connection name to be used for VEC. | |
1262 | In case a second asynchronous communication has been started, it is different | |
1263 | from the default one." | |
1264 | (or (tramp-get-connection-property vec "process-name" nil) | |
1265 | (tramp-buffer-name vec))) | |
1266 | ||
0f34aa77 MA |
1267 | (defun tramp-get-connection-process (vec) |
1268 | "Get the connection process to be used for VEC. | |
1269 | In case a second asynchronous communication has been started, it is different | |
1270 | from the default one." | |
66feec8b | 1271 | (get-process (tramp-get-connection-name vec))) |
0f34aa77 MA |
1272 | |
1273 | (defun tramp-debug-buffer-name (vec) | |
1274 | "A name for the debug buffer for VEC." | |
1275 | ;; We must use `tramp-file-name-real-host', because for gateway | |
1276 | ;; methods the default port will be expanded later on, which would | |
1277 | ;; tamper the name. | |
1278 | (let ((method (tramp-file-name-method vec)) | |
1279 | (user (tramp-file-name-user vec)) | |
1280 | (host (tramp-file-name-real-host vec))) | |
1281 | (if (not (zerop (length user))) | |
1282 | (format "*debug tramp/%s %s@%s*" method user host) | |
1283 | (format "*debug tramp/%s %s*" method host)))) | |
1284 | ||
1285 | (defconst tramp-debug-outline-regexp | |
03c1ad43 MA |
1286 | "[0-9]+:[0-9]+:[0-9]+\\.[0-9]+ [a-z0-9-]+ (\\([0-9]+\\)) #" |
1287 | "Used for highlighting Tramp debug buffers in `outline-mode'.") | |
1288 | ||
1289 | (defun tramp-debug-outline-level () | |
1290 | "Return the depth to which a statement is nested in the outline. | |
1291 | Point must be at the beginning of a header line. | |
1292 | ||
1293 | The outline level is equal to the verbosity of the Tramp message." | |
1294 | (1+ (string-to-number (match-string 1)))) | |
0f34aa77 MA |
1295 | |
1296 | (defun tramp-get-debug-buffer (vec) | |
1297 | "Get the debug buffer for VEC." | |
1298 | (with-current-buffer | |
1299 | (get-buffer-create (tramp-debug-buffer-name vec)) | |
1300 | (when (bobp) | |
1301 | (setq buffer-undo-list t) | |
1302 | ;; Activate `outline-mode'. This runs `text-mode-hook' and | |
1303 | ;; `outline-mode-hook'. We must prevent that local processes | |
1304 | ;; die. Yes: I've seen `flyspell-mode', which starts "ispell". | |
1305 | ;; Furthermore, `outline-regexp' must have the correct value | |
1306 | ;; already, because it is used by `font-lock-compile-keywords'. | |
1307 | (let ((default-directory (tramp-compat-temporary-file-directory)) | |
1308 | (outline-regexp tramp-debug-outline-regexp)) | |
1309 | (outline-mode)) | |
1310 | (set (make-local-variable 'outline-regexp) tramp-debug-outline-regexp) | |
03c1ad43 | 1311 | (set (make-local-variable 'outline-level) 'tramp-debug-outline-level)) |
0f34aa77 MA |
1312 | (current-buffer))) |
1313 | ||
00d6fd04 MA |
1314 | (defsubst tramp-debug-message (vec fmt-string &rest args) |
1315 | "Append message to debug buffer. | |
1316 | Message is formatted with FMT-STRING as control string and the remaining | |
1317 | ARGS to actually emit the message (if applicable)." | |
1318 | (when (get-buffer (tramp-buffer-name vec)) | |
1319 | (with-current-buffer (tramp-get-debug-buffer vec) | |
1320 | (goto-char (point-max)) | |
70c11b0b MA |
1321 | ;; Headline. |
1322 | (when (bobp) | |
1323 | (insert | |
1324 | (format | |
1325 | ";; %sEmacs: %s Tramp: %s -*- mode: outline; -*-" | |
1326 | (if (featurep 'sxemacs) "SX" (if (featurep 'xemacs) "X" "GNU ")) | |
1327 | emacs-version tramp-version))) | |
00d6fd04 MA |
1328 | (unless (bolp) |
1329 | (insert "\n")) | |
70c11b0b | 1330 | ;; Timestamp. |
736ac90f MA |
1331 | (let ((now (current-time))) |
1332 | (insert (format-time-string "%T." now)) | |
1333 | (insert (format "%06d " (nth 2 now)))) | |
56761182 MA |
1334 | ;; Calling Tramp function. We suppress compat and trace |
1335 | ;; functions from being displayed. | |
00d6fd04 MA |
1336 | (let ((btn 1) btf fn) |
1337 | (while (not fn) | |
1338 | (setq btf (nth 1 (backtrace-frame btn))) | |
1339 | (if (not btf) | |
1340 | (setq fn "") | |
1341 | (when (symbolp btf) | |
1342 | (setq fn (symbol-name btf)) | |
56761182 MA |
1343 | (unless |
1344 | (and | |
1345 | (string-match "^tramp" fn) | |
1346 | (not | |
1347 | (string-match | |
1348 | (concat | |
1349 | "^" | |
1350 | (regexp-opt | |
1351 | '("tramp-compat-funcall" | |
1352 | "tramp-compat-with-temp-message" | |
1353 | "tramp-debug-message" | |
1354 | "tramp-error" | |
1355 | "tramp-error-with-buffer" | |
def722bf MA |
1356 | "tramp-message" |
1357 | "tramp-with-progress-reporter") | |
56761182 MA |
1358 | t) |
1359 | "$") | |
1360 | fn))) | |
00d6fd04 MA |
1361 | (setq fn nil))) |
1362 | (setq btn (1+ btn)))) | |
1363 | ;; The following code inserts filename and line number. | |
e9a452d9 | 1364 | ;; Should be inactive by default, because it is time |
00d6fd04 MA |
1365 | ;; consuming. |
1366 | ; (let ((ffn (find-function-noselect (intern fn)))) | |
1367 | ; (insert | |
1368 | ; (format | |
1369 | ; "%s:%d: " | |
1370 | ; (file-name-nondirectory (buffer-file-name (car ffn))) | |
1371 | ; (with-current-buffer (car ffn) | |
1372 | ; (1+ (count-lines (point-min) (cdr ffn))))))) | |
1373 | (insert (format "%s " fn))) | |
70c11b0b | 1374 | ;; The message. |
00d6fd04 MA |
1375 | (insert (apply 'format fmt-string args))))) |
1376 | ||
946a5aeb MA |
1377 | (defvar tramp-message-show-message t |
1378 | "Show Tramp message in the minibuffer. | |
1379 | This variable is used to disable messages from `tramp-error'. | |
1380 | The messages are visible anyway, because an error is raised.") | |
1381 | ||
2fe4b125 MA |
1382 | (defvar tramp-message-show-progress-reporter-message t |
1383 | "Show Tramp progress reporter message in the minibuffer. | |
48d1354e | 1384 | This variable is used to disable recursive progress reporter messages.") |
2fe4b125 | 1385 | |
00d6fd04 | 1386 | (defsubst tramp-message (vec-or-proc level fmt-string &rest args) |
fb7933a3 | 1387 | "Emit a message depending on verbosity level. |
a4aeb9a4 | 1388 | VEC-OR-PROC identifies the Tramp buffer to use. It can be either a |
00d6fd04 MA |
1389 | vector or a process. LEVEL says to be quiet if `tramp-verbose' is |
1390 | less than LEVEL. The message is emitted only if `tramp-verbose' is | |
1391 | greater than or equal to LEVEL. | |
1392 | ||
1393 | The message is also logged into the debug buffer when `tramp-verbose' | |
1394 | is greater than or equal 4. | |
1395 | ||
1396 | Calls functions `message' and `tramp-debug-message' with FMT-STRING as | |
1397 | control string and the remaining ARGS to actually emit the message (if | |
1398 | applicable)." | |
03c1ad43 MA |
1399 | (ignore-errors |
1400 | (when (<= level tramp-verbose) | |
1401 | ;; Match data must be preserved! | |
1402 | (save-match-data | |
1403 | ;; Display only when there is a minimum level. | |
1404 | (when (and tramp-message-show-message (<= level 3)) | |
1405 | (apply 'message | |
1406 | (concat | |
1407 | (cond | |
1408 | ((= level 0) "") | |
1409 | ((= level 1) "") | |
1410 | ((= level 2) "Warning: ") | |
1411 | (t "Tramp: ")) | |
1412 | fmt-string) | |
1413 | args)) | |
1414 | ;; Log only when there is a minimum level. | |
1415 | (when (>= tramp-verbose 4) | |
1416 | (when (and vec-or-proc | |
1417 | (processp vec-or-proc) | |
1418 | (buffer-name (process-buffer vec-or-proc))) | |
1419 | (with-current-buffer (process-buffer vec-or-proc) | |
1420 | ;; Translate proc to vec. | |
1421 | (setq vec-or-proc (tramp-dissect-file-name default-directory)))) | |
1422 | (when (and vec-or-proc (vectorp vec-or-proc)) | |
1423 | (apply 'tramp-debug-message | |
1424 | vec-or-proc | |
1425 | (concat (format "(%d) # " level) fmt-string) | |
1426 | args))))))) | |
00d6fd04 MA |
1427 | |
1428 | (defsubst tramp-error (vec-or-proc signal fmt-string &rest args) | |
1429 | "Emit an error. | |
1430 | VEC-OR-PROC identifies the connection to use, SIGNAL is the | |
1431 | signal identifier to be raised, remaining args passed to | |
1432 | `tramp-message'. Finally, signal SIGNAL is raised." | |
946a5aeb MA |
1433 | (let (tramp-message-show-message) |
1434 | (tramp-message | |
1435 | vec-or-proc 1 "%s" | |
1436 | (error-message-string | |
1437 | (list signal | |
1438 | (get signal 'error-message) | |
1439 | (apply 'format fmt-string args)))) | |
1440 | (signal signal (list (apply 'format fmt-string args))))) | |
00d6fd04 MA |
1441 | |
1442 | (defsubst tramp-error-with-buffer | |
1443 | (buffer vec-or-proc signal fmt-string &rest args) | |
1444 | "Emit an error, and show BUFFER. | |
1445 | If BUFFER is nil, show the connection buffer. Wait for 30\", or until | |
1446 | an input event arrives. The other arguments are passed to `tramp-error'." | |
1447 | (save-window-excursion | |
1448 | (unwind-protect | |
1449 | (apply 'tramp-error vec-or-proc signal fmt-string args) | |
4874f5e6 | 1450 | (when (and vec-or-proc |
2fe4b125 | 1451 | tramp-message-show-message |
4874f5e6 MA |
1452 | (not (zerop tramp-verbose)) |
1453 | (not (tramp-completion-mode-p))) | |
00d6fd04 MA |
1454 | (let ((enable-recursive-minibuffers t)) |
1455 | (pop-to-buffer | |
1456 | (or (and (bufferp buffer) buffer) | |
1457 | (and (processp vec-or-proc) (process-buffer vec-or-proc)) | |
2fe4b125 | 1458 | (tramp-get-connection-buffer vec-or-proc))) |
00d6fd04 | 1459 | (sit-for 30)))))) |
fb7933a3 | 1460 | |
c62c9d08 KG |
1461 | (defmacro with-parsed-tramp-file-name (filename var &rest body) |
1462 | "Parse a Tramp filename and make components available in the body. | |
1463 | ||
1464 | First arg FILENAME is evaluated and dissected into its components. | |
1465 | Second arg VAR is a symbol. It is used as a variable name to hold | |
1466 | the filename structure. It is also used as a prefix for the variables | |
1467 | holding the components. For example, if VAR is the symbol `foo', then | |
00d6fd04 | 1468 | `foo' will be bound to the whole structure, `foo-method' will be bound to |
2fe4b125 MA |
1469 | the method component, and so on for `foo-user', `foo-host', `foo-localname', |
1470 | `foo-hop'. | |
c62c9d08 KG |
1471 | |
1472 | Remaining args are Lisp expressions to be evaluated (inside an implicit | |
1473 | `progn'). | |
1474 | ||
00d6fd04 | 1475 | If VAR is nil, then we bind `v' to the structure and `method', `user', |
2fe4b125 | 1476 | `host', `localname', `hop' to the components." |
c62c9d08 | 1477 | `(let* ((,(or var 'v) (tramp-dissect-file-name ,filename)) |
c62c9d08 KG |
1478 | (,(if var (intern (concat (symbol-name var) "-method")) 'method) |
1479 | (tramp-file-name-method ,(or var 'v))) | |
1480 | (,(if var (intern (concat (symbol-name var) "-user")) 'user) | |
1481 | (tramp-file-name-user ,(or var 'v))) | |
1482 | (,(if var (intern (concat (symbol-name var) "-host")) 'host) | |
1483 | (tramp-file-name-host ,(or var 'v))) | |
7432277c | 1484 | (,(if var (intern (concat (symbol-name var) "-localname")) 'localname) |
2fe4b125 MA |
1485 | (tramp-file-name-localname ,(or var 'v))) |
1486 | (,(if var (intern (concat (symbol-name var) "-hop")) 'hop) | |
1487 | (tramp-file-name-hop ,(or var 'v)))) | |
c62c9d08 KG |
1488 | ,@body)) |
1489 | ||
1490 | (put 'with-parsed-tramp-file-name 'lisp-indent-function 2) | |
00d6fd04 | 1491 | (put 'with-parsed-tramp-file-name 'edebug-form-spec '(form symbolp body)) |
6139f995 MA |
1492 | (tramp-compat-font-lock-add-keywords |
1493 | 'emacs-lisp-mode '("\\<with-parsed-tramp-file-name\\>")) | |
00d6fd04 | 1494 | |
9e021389 MA |
1495 | (defun tramp-progress-reporter-update (reporter &optional value) |
1496 | (let* ((parameters (cdr reporter)) | |
1497 | (message (aref parameters 3))) | |
1498 | (when (string-match message (or (current-message) "")) | |
6139f995 | 1499 | (tramp-compat-funcall 'progress-reporter-update reporter value)))) |
9e021389 | 1500 | |
7d520089 | 1501 | (defmacro tramp-with-progress-reporter (vec level message &rest body) |
b6827fff MA |
1502 | "Executes BODY, spinning a progress reporter with MESSAGE. |
1503 | If LEVEL does not fit for visible messages, or if this is a | |
1504 | nested call of the macro, there are only traces without a visible | |
1505 | progress reporter." | |
7d520089 | 1506 | (declare (indent 3) (debug t)) |
a94d821f MA |
1507 | `(let (pr tm) |
1508 | (tramp-message ,vec ,level "%s..." ,message) | |
1509 | ;; We start a pulsing progress reporter after 3 seconds. Feature | |
1510 | ;; introduced in Emacs 24.1. | |
2fe4b125 MA |
1511 | (when (and tramp-message-show-progress-reporter-message |
1512 | tramp-message-show-message | |
3b30ccda MA |
1513 | ;; Display only when there is a minimum level. |
1514 | (<= ,level (min tramp-verbose 3))) | |
03c1ad43 MA |
1515 | (ignore-errors |
1516 | (setq pr (tramp-compat-funcall 'make-progress-reporter ,message) | |
1517 | tm (when pr | |
1518 | (run-at-time 3 0.1 'tramp-progress-reporter-update pr))))) | |
a94d821f | 1519 | (unwind-protect |
2fe4b125 MA |
1520 | ;; Execute the body. Suppress concurrent progress reporter |
1521 | ;; messages. | |
1522 | (let ((tramp-message-show-progress-reporter-message | |
1523 | (and tramp-message-show-progress-reporter-message (not tm)))) | |
3b30ccda | 1524 | ,@body) |
a94d821f | 1525 | ;; Stop progress reporter. |
0d5852cf | 1526 | (if tm (tramp-compat-funcall 'cancel-timer tm)) |
a94d821f MA |
1527 | (tramp-message ,vec ,level "%s...done" ,message)))) |
1528 | ||
6139f995 | 1529 | (tramp-compat-font-lock-add-keywords |
7d520089 | 1530 | 'emacs-lisp-mode '("\\<tramp-with-progress-reporter\\>")) |
a94d821f | 1531 | |
5bc3b51d | 1532 | (defalias 'tramp-drop-volume-letter |
628c97b2 | 1533 | (if (memq system-type '(cygwin windows-nt)) |
5bc3b51d | 1534 | (lambda (name) |
628c97b2 | 1535 | "Cut off unnecessary drive letter from file NAME. |
66feec8b | 1536 | The functions `tramp-*-handle-expand-file-name' call `expand-file-name' |
628c97b2 GM |
1537 | locally on a remote file name. When the local system is a W32 system |
1538 | but the remote system is Unix, this introduces a superfluous drive | |
1539 | letter into the file name. This function removes it." | |
1540 | (save-match-data | |
5bc3b51d | 1541 | (if (string-match "\\`[a-zA-Z]:/" name) |
628c97b2 GM |
1542 | (replace-match "/" nil t name) |
1543 | name))) | |
1544 | ||
5bc3b51d | 1545 | 'identity)) |
628c97b2 | 1546 | |
957b3189 MA |
1547 | (if (featurep 'xemacs) |
1548 | (defalias 'tramp-drop-volume-letter 'identity)) | |
1549 | ||
2fe4b125 MA |
1550 | (defun tramp-cleanup (vec) |
1551 | "Cleanup connection VEC, but keep the debug buffer." | |
1552 | (with-current-buffer (tramp-get-debug-buffer vec) | |
1553 | ;; Keep the debug buffer. | |
1554 | (rename-buffer | |
1555 | (generate-new-buffer-name tramp-temp-buffer-name) 'unique) | |
1556 | (tramp-cleanup-connection vec) | |
1557 | (if (= (point-min) (point-max)) | |
1558 | (kill-buffer nil) | |
1559 | (rename-buffer (tramp-debug-buffer-name vec) 'unique)) | |
1560 | ;; We call `tramp-get-buffer' in order to keep the debug buffer. | |
1561 | (tramp-get-buffer vec))) | |
1562 | ||
16674e4f KG |
1563 | ;;; Config Manipulation Functions: |
1564 | ||
f8f91c2b | 1565 | ;;;###tramp-autoload |
16674e4f KG |
1566 | (defun tramp-set-completion-function (method function-list) |
1567 | "Sets the list of completion functions for METHOD. | |
1568 | FUNCTION-LIST is a list of entries of the form (FUNCTION FILE). | |
1569 | The FUNCTION is intended to parse FILE according its syntax. | |
1570 | It might be a predefined FUNCTION, or a user defined FUNCTION. | |
2fe4b125 | 1571 | For the list of predefined FUNCTIONs see `tramp-completion-function-alist'. |
8daea7fc | 1572 | |
16674e4f KG |
1573 | Example: |
1574 | ||
1575 | (tramp-set-completion-function | |
1576 | \"ssh\" | |
8daea7fc KG |
1577 | '((tramp-parse-sconfig \"/etc/ssh_config\") |
1578 | (tramp-parse-sconfig \"~/.ssh/config\")))" | |
16674e4f | 1579 | |
5ec2cc41 KG |
1580 | (let ((r function-list) |
1581 | (v function-list)) | |
1582 | (setq tramp-completion-function-alist | |
1583 | (delete (assoc method tramp-completion-function-alist) | |
1584 | tramp-completion-function-alist)) | |
1585 | ||
1586 | (while v | |
00d6fd04 | 1587 | ;; Remove double entries. |
5ec2cc41 KG |
1588 | (when (member (car v) (cdr v)) |
1589 | (setcdr v (delete (car v) (cdr v)))) | |
00d6fd04 | 1590 | ;; Check for function and file or registry key. |
5ec2cc41 | 1591 | (unless (and (functionp (nth 0 (car v))) |
00d6fd04 MA |
1592 | (if (string-match "^HKEY_CURRENT_USER" (nth 1 (car v))) |
1593 | ;; Windows registry. | |
1594 | (and (memq system-type '(cygwin windows-nt)) | |
a4aeb9a4 | 1595 | (zerop |
0f34aa77 | 1596 | (tramp-compat-call-process |
a4aeb9a4 | 1597 | "reg" nil nil nil "query" (nth 1 (car v))))) |
00d6fd04 MA |
1598 | ;; Configuration file. |
1599 | (file-exists-p (nth 1 (car v))))) | |
5ec2cc41 KG |
1600 | (setq r (delete (car v) r))) |
1601 | (setq v (cdr v))) | |
1602 | ||
1603 | (when r | |
4007ba5b | 1604 | (add-to-list 'tramp-completion-function-alist |
5ec2cc41 | 1605 | (cons method r))))) |
16674e4f KG |
1606 | |
1607 | (defun tramp-get-completion-function (method) | |
00d6fd04 | 1608 | "Returns a list of completion functions for METHOD. |
16674e4f | 1609 | For definition of that list see `tramp-set-completion-function'." |
00d6fd04 MA |
1610 | (cons |
1611 | ;; Hosts visited once shall be remembered. | |
1612 | `(tramp-parse-connection-properties ,method) | |
1613 | ;; The method related defaults. | |
1614 | (cdr (assoc method tramp-completion-function-alist)))) | |
16674e4f | 1615 | |
d037d501 | 1616 | |
0664ff72 | 1617 | ;;; Fontification of `read-file-name': |
d037d501 | 1618 | |
0664ff72 | 1619 | ;; rfn-eshadow.el is part of Emacs 22. It is autoloaded. |
d037d501 MA |
1620 | (defvar tramp-rfn-eshadow-overlay) |
1621 | (make-variable-buffer-local 'tramp-rfn-eshadow-overlay) | |
1622 | ||
1623 | (defun tramp-rfn-eshadow-setup-minibuffer () | |
1624 | "Set up a minibuffer for `file-name-shadow-mode'. | |
1625 | Adds another overlay hiding filename parts according to Tramp's | |
1626 | special handling of `substitute-in-file-name'." | |
9ce8462a | 1627 | (when (symbol-value 'minibuffer-completing-file-name) |
d037d501 | 1628 | (setq tramp-rfn-eshadow-overlay |
0d5852cf MA |
1629 | (tramp-compat-funcall |
1630 | 'make-overlay | |
1631 | (tramp-compat-funcall 'minibuffer-prompt-end) | |
1632 | (tramp-compat-funcall 'minibuffer-prompt-end))) | |
d037d501 | 1633 | ;; Copy rfn-eshadow-overlay properties. |
0d5852cf MA |
1634 | (let ((props (tramp-compat-funcall |
1635 | 'overlay-properties (symbol-value 'rfn-eshadow-overlay)))) | |
d037d501 | 1636 | (while props |
c6309045 MA |
1637 | ;; The `field' property prevents correct minibuffer |
1638 | ;; completion; we exclude it. | |
1639 | (if (not (eq (car props) 'field)) | |
1640 | (tramp-compat-funcall | |
1641 | 'overlay-put tramp-rfn-eshadow-overlay (pop props) (pop props)) | |
1642 | (pop props) (pop props)))))) | |
d037d501 MA |
1643 | |
1644 | (when (boundp 'rfn-eshadow-setup-minibuffer-hook) | |
1645 | (add-hook 'rfn-eshadow-setup-minibuffer-hook | |
48846dc5 MA |
1646 | 'tramp-rfn-eshadow-setup-minibuffer) |
1647 | (add-hook 'tramp-unload-hook | |
aa485f7c MA |
1648 | (lambda () |
1649 | (remove-hook 'rfn-eshadow-setup-minibuffer-hook | |
1650 | 'tramp-rfn-eshadow-setup-minibuffer)))) | |
d037d501 | 1651 | |
adcbca53 MA |
1652 | (defconst tramp-rfn-eshadow-update-overlay-regexp |
1653 | (format "[^%s/~]*\\(/\\|~\\)" tramp-postfix-host-format)) | |
1654 | ||
d037d501 MA |
1655 | (defun tramp-rfn-eshadow-update-overlay () |
1656 | "Update `rfn-eshadow-overlay' to cover shadowed part of minibuffer input. | |
1657 | This is intended to be used as a minibuffer `post-command-hook' for | |
1658 | `file-name-shadow-mode'; the minibuffer should have already | |
1659 | been set up by `rfn-eshadow-setup-minibuffer'." | |
1660 | ;; In remote files name, there is a shadowing just for the local part. | |
28dbc92f MA |
1661 | (ignore-errors |
1662 | (let ((end (or (tramp-compat-funcall | |
1663 | 'overlay-end (symbol-value 'rfn-eshadow-overlay)) | |
2fe4b125 MA |
1664 | (tramp-compat-funcall 'minibuffer-prompt-end))) |
1665 | ;; We do not want to send any remote command. | |
1666 | (non-essential t)) | |
28dbc92f MA |
1667 | (when |
1668 | (file-remote-p | |
1669 | (tramp-compat-funcall | |
1670 | 'buffer-substring-no-properties end (point-max))) | |
1671 | (save-excursion | |
1672 | (save-restriction | |
1673 | (narrow-to-region | |
1674 | (1+ (or (string-match | |
1675 | tramp-rfn-eshadow-update-overlay-regexp | |
1676 | (buffer-string) end) | |
1677 | end)) | |
1678 | (point-max)) | |
1679 | (let ((rfn-eshadow-overlay tramp-rfn-eshadow-overlay) | |
1680 | (rfn-eshadow-update-overlay-hook nil) | |
1681 | file-name-handler-alist) | |
1682 | (tramp-compat-funcall | |
1683 | 'move-overlay rfn-eshadow-overlay (point-max) (point-max)) | |
1684 | (tramp-compat-funcall 'rfn-eshadow-update-overlay)))))))) | |
d037d501 MA |
1685 | |
1686 | (when (boundp 'rfn-eshadow-update-overlay-hook) | |
1687 | (add-hook 'rfn-eshadow-update-overlay-hook | |
b88f2d0a MA |
1688 | 'tramp-rfn-eshadow-update-overlay) |
1689 | (add-hook 'tramp-unload-hook | |
1690 | (lambda () | |
1691 | (remove-hook 'rfn-eshadow-update-overlay-hook | |
1692 | 'tramp-rfn-eshadow-update-overlay)))) | |
d037d501 | 1693 | |
00d6fd04 MA |
1694 | ;; Inodes don't exist for some file systems. Therefore we must |
1695 | ;; generate virtual ones. Used in `find-buffer-visiting'. The method | |
1696 | ;; applied might be not so efficient (Ange-FTP uses hashes). But | |
1697 | ;; performance isn't the major issue given that file transfer will | |
1698 | ;; take time. | |
530739c9 | 1699 | (defvar tramp-inodes 0 |
00d6fd04 MA |
1700 | "Keeps virtual inodes numbers.") |
1701 | ||
8daea7fc KG |
1702 | ;; Devices must distinguish physical file systems. The device numbers |
1703 | ;; provided by "lstat" aren't unique, because we operate on different hosts. | |
1704 | ;; So we use virtual device numbers, generated by Tramp. Both Ange-FTP and | |
1705 | ;; EFS use device number "-1". In order to be different, we use device number | |
b946a456 | 1706 | ;; (-1 . x), whereby "x" is unique for a given (method user host). |
530739c9 | 1707 | (defvar tramp-devices 0 |
8daea7fc KG |
1708 | "Keeps virtual device numbers.") |
1709 | ||
b86c1cd8 MA |
1710 | (defun tramp-default-file-modes (filename) |
1711 | "Return file modes of FILENAME as integer. | |
1712 | If the file modes of FILENAME cannot be determined, return the | |
974647ac MA |
1713 | value of `default-file-modes', without execute permissions." |
1714 | (or (file-modes filename) | |
0f34aa77 | 1715 | (logand (default-file-modes) (tramp-compat-octal-to-decimal "0666")))) |
b86c1cd8 | 1716 | |
c23c3394 MA |
1717 | (defun tramp-replace-environment-variables (filename) |
1718 | "Replace environment variables in FILENAME. | |
1719 | Return the string with the replaced variables." | |
2e271195 | 1720 | (save-match-data |
ec5145d6 | 1721 | (let ((idx (string-match "$\\(\\w+\\)" filename))) |
2e271195 | 1722 | ;; `$' is coded as `$$'. |
ec5145d6 MA |
1723 | (when (and idx |
1724 | (or (zerop idx) (not (eq ?$ (aref filename (1- idx))))) | |
1725 | (getenv (match-string 1 filename))) | |
2e271195 MA |
1726 | (setq filename |
1727 | (replace-match | |
1728 | (substitute-in-file-name (match-string 0 filename)) | |
1729 | t nil filename))) | |
1730 | filename))) | |
c23c3394 | 1731 | |
00d6fd04 MA |
1732 | ;; In XEmacs, electricity is implemented via a key map for ?/ and ?~, |
1733 | ;; which calls corresponding functions (see minibuf.el). | |
1734 | (when (fboundp 'minibuffer-electric-separator) | |
9e6ab520 | 1735 | (mapc |
aa485f7c MA |
1736 | (lambda (x) |
1737 | (eval | |
1738 | `(defadvice ,x | |
1739 | (around ,(intern (format "tramp-advice-%s" x)) activate) | |
1740 | "Invoke `substitute-in-file-name' for Tramp files." | |
1741 | (if (and (symbol-value 'minibuffer-electric-file-name-behavior) | |
1742 | (tramp-tramp-file-p (buffer-substring))) | |
1743 | ;; We don't need to handle `last-input-event', because | |
1744 | ;; due to the key map we know it must be ?/ or ?~. | |
1745 | (let ((s (concat (buffer-substring (point-min) (point)) | |
1746 | (string last-command-char)))) | |
1747 | (delete-region (point-min) (point)) | |
1748 | (insert (substitute-in-file-name s)) | |
1749 | (setq ad-return-value last-command-char)) | |
d7ec1df7 MA |
1750 | ad-do-it))) |
1751 | (eval | |
1752 | `(add-hook | |
1753 | 'tramp-unload-hook | |
1754 | (lambda () | |
1755 | (ad-remove-advice ',x 'around ',(intern (format "tramp-advice-%s" x))) | |
1756 | (ad-activate ',x))))) | |
00d6fd04 MA |
1757 | |
1758 | '(minibuffer-electric-separator | |
1759 | minibuffer-electric-tilde))) | |
1760 | ||
eb562962 MA |
1761 | (defun tramp-find-file-name-coding-system-alist (filename tmpname) |
1762 | "Like `find-operation-coding-system' for Tramp filenames. | |
1763 | Tramp's `insert-file-contents' and `write-region' work over | |
1764 | temporary file names. If `file-coding-system-alist' contains an | |
1765 | expression, which matches more than the file name suffix, the | |
1766 | coding system might not be determined. This function repairs it." | |
1767 | (let (result) | |
1768 | (dolist (elt file-coding-system-alist result) | |
1769 | (when (and (consp elt) (string-match (car elt) filename)) | |
1770 | ;; We found a matching entry in `file-coding-system-alist'. | |
1771 | ;; So we add a similar entry, but with the temporary file name | |
1772 | ;; as regexp. | |
1773 | (add-to-list | |
1774 | 'result (cons (regexp-quote tmpname) (cdr elt)) 'append))))) | |
1775 | ||
a01b1e22 MA |
1776 | ;;;###autoload |
1777 | (progn (defun tramp-run-real-handler (operation args) | |
fb7933a3 | 1778 | "Invoke normal file name handler for OPERATION. |
c62c9d08 KG |
1779 | First arg specifies the OPERATION, second arg is a list of arguments to |
1780 | pass to the OPERATION." | |
4007ba5b KG |
1781 | (let* ((inhibit-file-name-handlers |
1782 | `(tramp-file-name-handler | |
946a5aeb | 1783 | tramp-vc-file-name-handler |
4007ba5b KG |
1784 | tramp-completion-file-name-handler |
1785 | cygwin-mount-name-hook-function | |
1786 | cygwin-mount-map-drive-hook-function | |
1787 | . | |
1788 | ,(and (eq inhibit-file-name-operation operation) | |
1789 | inhibit-file-name-handlers))) | |
1790 | (inhibit-file-name-operation operation)) | |
a01b1e22 | 1791 | (apply operation args)))) |
16674e4f | 1792 | |
a01b1e22 MA |
1793 | ;;;###autoload |
1794 | (progn (defun tramp-completion-run-real-handler (operation args) | |
16674e4f KG |
1795 | "Invoke `tramp-file-name-handler' for OPERATION. |
1796 | First arg specifies the OPERATION, second arg is a list of arguments to | |
1797 | pass to the OPERATION." | |
4007ba5b KG |
1798 | (let* ((inhibit-file-name-handlers |
1799 | `(tramp-completion-file-name-handler | |
1800 | cygwin-mount-name-hook-function | |
1801 | cygwin-mount-map-drive-hook-function | |
1802 | . | |
1803 | ,(and (eq inhibit-file-name-operation operation) | |
1804 | inhibit-file-name-handlers))) | |
1805 | (inhibit-file-name-operation operation)) | |
a01b1e22 | 1806 | (apply operation args)))) |
fb7933a3 | 1807 | |
4007ba5b KG |
1808 | ;; We handle here all file primitives. Most of them have the file |
1809 | ;; name as first parameter; nevertheless we check for them explicitly | |
04bf5b65 | 1810 | ;; in order to be signaled if a new primitive appears. This |
4007ba5b KG |
1811 | ;; scenario is needed because there isn't a way to decide by |
1812 | ;; syntactical means whether a foreign method must be called. It would | |
19a87064 | 1813 | ;; ease the life if `file-name-handler-alist' would support a decision |
4007ba5b KG |
1814 | ;; function as well but regexp only. |
1815 | (defun tramp-file-name-for-operation (operation &rest args) | |
1816 | "Return file name related to OPERATION file primitive. | |
1817 | ARGS are the arguments OPERATION has been called with." | |
1818 | (cond | |
b533bc97 | 1819 | ;; FILE resp DIRECTORY. |
4007ba5b KG |
1820 | ((member operation |
1821 | (list 'access-file 'byte-compiler-base-file-name 'delete-directory | |
1822 | 'delete-file 'diff-latest-backup-file 'directory-file-name | |
1823 | 'directory-files 'directory-files-and-attributes | |
1824 | 'dired-compress-file 'dired-uncache | |
1825 | 'file-accessible-directory-p 'file-attributes | |
1826 | 'file-directory-p 'file-executable-p 'file-exists-p | |
25f14cdb | 1827 | 'file-local-copy 'file-remote-p 'file-modes |
19a87064 MA |
1828 | 'file-name-as-directory 'file-name-directory |
1829 | 'file-name-nondirectory 'file-name-sans-versions | |
1830 | 'file-ownership-preserved-p 'file-readable-p | |
1831 | 'file-regular-p 'file-symlink-p 'file-truename | |
1832 | 'file-writable-p 'find-backup-file-name 'find-file-noselect | |
1833 | 'get-file-buffer 'insert-directory 'insert-file-contents | |
1834 | 'load 'make-directory 'make-directory-internal | |
1835 | 'set-file-modes 'substitute-in-file-name | |
1836 | 'unhandled-file-name-directory 'vc-registered | |
b533bc97 | 1837 | ;; Emacs 22+ only. |
ce3f516f | 1838 | 'set-file-times |
25f14cdb MA |
1839 | ;; Emacs 24+ only. |
1840 | 'file-selinux-context 'set-file-selinux-context | |
b533bc97 | 1841 | ;; XEmacs only. |
4007ba5b KG |
1842 | 'abbreviate-file-name 'create-file-buffer |
1843 | 'dired-file-modtime 'dired-make-compressed-filename | |
1844 | 'dired-recursive-delete-directory 'dired-set-file-modtime | |
1845 | 'dired-shell-unhandle-file-name 'dired-uucode-file | |
5615d63f | 1846 | 'insert-file-contents-literally 'make-temp-name 'recover-file |
4007ba5b | 1847 | 'vm-imap-check-mail 'vm-pop-check-mail 'vm-spool-check-mail)) |
8daea7fc KG |
1848 | (if (file-name-absolute-p (nth 0 args)) |
1849 | (nth 0 args) | |
1850 | (expand-file-name (nth 0 args)))) | |
b533bc97 | 1851 | ;; FILE DIRECTORY resp FILE1 FILE2. |
4007ba5b KG |
1852 | ((member operation |
1853 | (list 'add-name-to-file 'copy-file 'expand-file-name | |
1854 | 'file-name-all-completions 'file-name-completion | |
1855 | 'file-newer-than-file-p 'make-symbolic-link 'rename-file | |
b533bc97 | 1856 | ;; Emacs 23+ only. |
263c02ef | 1857 | 'copy-directory |
a3fcfa99 | 1858 | ;; Emacs 24+ only. |
2fe4b125 | 1859 | 'file-in-directory-p 'file-equal-p |
b533bc97 | 1860 | ;; XEmacs only. |
4007ba5b KG |
1861 | 'dired-make-relative-symlink |
1862 | 'vm-imap-move-mail 'vm-pop-move-mail 'vm-spool-move-mail)) | |
1863 | (save-match-data | |
1864 | (cond | |
1865 | ((string-match tramp-file-name-regexp (nth 0 args)) (nth 0 args)) | |
1866 | ((string-match tramp-file-name-regexp (nth 1 args)) (nth 1 args)) | |
1867 | (t (buffer-file-name (current-buffer)))))) | |
b533bc97 | 1868 | ;; START END FILE. |
4007ba5b KG |
1869 | ((eq operation 'write-region) |
1870 | (nth 2 args)) | |
b533bc97 | 1871 | ;; BUFFER. |
4007ba5b | 1872 | ((member operation |
00d6fd04 | 1873 | (list 'set-visited-file-modtime 'verify-visited-file-modtime |
b533bc97 | 1874 | ;; Emacs 22+ only. |
00d6fd04 | 1875 | 'make-auto-save-file-name |
b533bc97 | 1876 | ;; XEmacs only. |
4007ba5b KG |
1877 | 'backup-buffer)) |
1878 | (buffer-file-name | |
1879 | (if (bufferp (nth 0 args)) (nth 0 args) (current-buffer)))) | |
b533bc97 | 1880 | ;; COMMAND. |
4007ba5b | 1881 | ((member operation |
b533bc97 | 1882 | (list ;; not in Emacs 23+. |
00d6fd04 | 1883 | 'dired-call-process |
b533bc97 | 1884 | ;; Emacs only. |
b71c9e75 | 1885 | 'shell-command |
b533bc97 | 1886 | ;; Emacs 22+ only. |
0457dd55 | 1887 | 'process-file |
b533bc97 | 1888 | ;; Emacs 23+ only. |
00d6fd04 | 1889 | 'start-file-process |
b533bc97 | 1890 | ;; XEmacs only. |
00d6fd04 | 1891 | 'dired-print-file 'dired-shell-call-process |
b533bc97 | 1892 | ;; nowhere yet. |
b81a0b56 MA |
1893 | 'executable-find 'start-process |
1894 | 'call-process 'call-process-region)) | |
4007ba5b | 1895 | default-directory) |
b533bc97 | 1896 | ;; Unknown file primitive. |
4007ba5b KG |
1897 | (t (error "unknown file I/O primitive: %s" operation)))) |
1898 | ||
1899 | (defun tramp-find-foreign-file-name-handler (filename) | |
1900 | "Return foreign file name handler if exists." | |
b533bc97 | 1901 | (when (tramp-tramp-file-p filename) |
9ce8462a MA |
1902 | (let ((v (tramp-dissect-file-name filename t)) |
1903 | (handler tramp-foreign-file-name-handler-alist) | |
1904 | elt res) | |
1905 | ;; When we are not fully sure that filename completion is safe, | |
1906 | ;; we should not return a handler. | |
1907 | (when (or (tramp-file-name-method v) (tramp-file-name-user v) | |
1834b39f MA |
1908 | (and (tramp-file-name-host v) |
1909 | (not (member (tramp-file-name-host v) | |
1910 | (mapcar 'car tramp-methods)))) | |
9ce8462a MA |
1911 | (not (tramp-completion-mode-p))) |
1912 | (while handler | |
1913 | (setq elt (car handler) | |
1914 | handler (cdr handler)) | |
1915 | (when (funcall (car elt) filename) | |
1916 | (setq handler nil | |
1917 | res (cdr elt)))) | |
1918 | res)))) | |
4007ba5b | 1919 | |
fb7933a3 KG |
1920 | ;; Main function. |
1921 | ;;;###autoload | |
1922 | (defun tramp-file-name-handler (operation &rest args) | |
ea9d1443 | 1923 | "Invoke Tramp file name handler. |
a4aeb9a4 | 1924 | Falls back to normal file name handler if no Tramp file name handler exists." |
2e271195 MA |
1925 | (if tramp-mode |
1926 | (save-match-data | |
1927 | (let* ((filename | |
1928 | (tramp-replace-environment-variables | |
1929 | (apply 'tramp-file-name-for-operation operation args))) | |
1930 | (completion (tramp-completion-mode-p)) | |
1931 | (foreign (tramp-find-foreign-file-name-handler filename))) | |
1932 | (with-parsed-tramp-file-name filename nil | |
4874f5e6 MA |
1933 | ;; Call the backend function. |
1934 | (if foreign | |
2fe4b125 MA |
1935 | (tramp-compat-condition-case-unless-debug err |
1936 | (let ((sf (symbol-function foreign)) | |
1937 | result) | |
11d074b2 MA |
1938 | ;; Some packages set the default directory to a |
1939 | ;; remote path, before respective Tramp packages | |
1940 | ;; are already loaded. This results in | |
1941 | ;; recursive loading. Therefore, we load the | |
1942 | ;; Tramp packages locally. | |
1943 | (when (and (listp sf) (eq (car sf) 'autoload)) | |
1944 | (let ((default-directory | |
1945 | (tramp-compat-temporary-file-directory))) | |
6a80b297 | 1946 | (load (cadr sf) 'noerror 'nomessage))) |
29855149 MA |
1947 | ;; If `non-essential' is non-nil, Tramp shall |
1948 | ;; not open a new connection. | |
2fe4b125 | 1949 | ;; If Tramp detects that it shouldn't continue |
29855149 | 1950 | ;; to work, it throws the `suppress' event. |
2fe4b125 MA |
1951 | ;; This could happen for example, when Tramp |
1952 | ;; tries to open the same connection twice in a | |
1953 | ;; short time frame. | |
29855149 | 1954 | ;; In both cases, we try the default handler then. |
2fe4b125 | 1955 | (setq result |
29855149 MA |
1956 | (catch 'non-essential |
1957 | (catch 'suppress | |
1958 | (apply foreign operation args)))) | |
1959 | (cond | |
1960 | ((eq result 'non-essential) | |
1961 | (tramp-message | |
1962 | v 5 "Non-essential received in operation %s" | |
1963 | (append (list operation) args)) | |
1964 | (tramp-run-real-handler operation args)) | |
1965 | ((eq result 'suppress) | |
1966 | (let (tramp-message-show-message) | |
1967 | (tramp-message | |
1968 | v 1 "Suppress received in operation %s" | |
1969 | (append (list operation) args)) | |
1970 | (tramp-cleanup v) | |
1971 | (tramp-run-real-handler operation args))) | |
1972 | (t result))) | |
af4b9ae5 | 1973 | |
51aba3f3 | 1974 | ;; Trace that somebody has interrupted the operation. |
56f2d1e1 | 1975 | ((debug quit) |
af4b9ae5 MA |
1976 | (let (tramp-message-show-message) |
1977 | (tramp-message | |
1978 | v 1 "Interrupt received in operation %s" | |
1979 | (append (list operation) args))) | |
1980 | ;; Propagate the quit signal. | |
1981 | (signal (car err) (cdr err))) | |
1982 | ||
1983 | ;; When we are in completion mode, some failed | |
1984 | ;; operations shall return at least a default value | |
1985 | ;; in order to give the user a chance to correct the | |
1986 | ;; file name in the minibuffer. | |
2fe4b125 | 1987 | ;; In order to get a full backtrace, one could apply |
56f2d1e1 | 1988 | ;; (setq debug-on-error t debug-on-signal t) |
4874f5e6 MA |
1989 | (error |
1990 | (cond | |
4874f5e6 MA |
1991 | ((and completion (zerop (length localname)) |
1992 | (memq operation '(file-exists-p file-directory-p))) | |
1993 | t) | |
1994 | ((and completion (zerop (length localname)) | |
1995 | (memq operation | |
1996 | '(expand-file-name file-name-as-directory))) | |
1997 | filename) | |
1998 | ;; Propagate the error. | |
1999 | (t (signal (car err) (cdr err)))))) | |
af4b9ae5 | 2000 | |
4874f5e6 MA |
2001 | ;; Nothing to do for us. |
2002 | (tramp-run-real-handler operation args))))) | |
2003 | ||
2e271195 MA |
2004 | ;; When `tramp-mode' is not enabled, we don't do anything. |
2005 | (tramp-run-real-handler operation args))) | |
fb7933a3 | 2006 | |
07dfe738 KG |
2007 | ;; In Emacs, there is some concurrency due to timers. If a timer |
2008 | ;; interrupts Tramp and wishes to use the same connection buffer as | |
2009 | ;; the "main" Emacs, then garbage might occur in the connection | |
2010 | ;; buffer. Therefore, we need to make sure that a timer does not use | |
2011 | ;; the same connection buffer as the "main" Emacs. We implement a | |
2012 | ;; cheap global lock, instead of locking each connection buffer | |
2013 | ;; separately. The global lock is based on two variables, | |
2014 | ;; `tramp-locked' and `tramp-locker'. `tramp-locked' is set to true | |
2015 | ;; (with setq) to indicate a lock. But Tramp also calls itself during | |
2016 | ;; processing of a single file operation, so we need to allow | |
2017 | ;; recursive calls. That's where the `tramp-locker' variable comes in | |
2018 | ;; -- it is let-bound to t during the execution of the current | |
2019 | ;; handler. So if `tramp-locked' is t and `tramp-locker' is also t, | |
2020 | ;; then we should just proceed because we have been called | |
2021 | ;; recursively. But if `tramp-locker' is nil, then we are a timer | |
2022 | ;; interrupting the "main" Emacs, and then we signal an error. | |
2023 | ||
2024 | (defvar tramp-locked nil | |
2025 | "If non-nil, then Tramp is currently busy. | |
2026 | Together with `tramp-locker', this implements a locking mechanism | |
2027 | preventing reentrant calls of Tramp.") | |
2028 | ||
2029 | (defvar tramp-locker nil | |
2030 | "If non-nil, then a caller has locked Tramp. | |
2031 | Together with `tramp-locked', this implements a locking mechanism | |
2032 | preventing reentrant calls of Tramp.") | |
2033 | ||
16674e4f | 2034 | ;;;###autoload |
1ecc6145 | 2035 | (progn (defun tramp-completion-file-name-handler (operation &rest args) |
a4aeb9a4 MA |
2036 | "Invoke Tramp file name completion handler. |
2037 | Falls back to normal file name handler if no Tramp file name handler exists." | |
57671b72 MA |
2038 | ;; We bind `directory-sep-char' here for XEmacs on Windows, which |
2039 | ;; would otherwise use backslash. | |
aff67808 MA |
2040 | (let ((directory-sep-char ?/) |
2041 | (fn (assoc operation tramp-completion-file-name-handler-alist))) | |
aa485f7c MA |
2042 | (if (and |
2043 | ;; When `tramp-mode' is not enabled, we don't do anything. | |
2044 | fn tramp-mode | |
2045 | ;; For other syntaxes than `sep', the regexp matches many common | |
2046 | ;; situations where the user doesn't actually want to use Tramp. | |
2047 | ;; So to avoid autoloading Tramp after typing just "/s", we | |
2048 | ;; disable this part of the completion, unless the user implicitly | |
2049 | ;; indicated his interest in using a fancier completion system. | |
2050 | (or (eq tramp-syntax 'sep) | |
a94d821f MA |
2051 | (featurep 'tramp) ;; If it's loaded, we may as well use it. |
2052 | ;; `partial-completion-mode' does not exist in XEmacs. | |
2053 | ;; It is obsoleted with Emacs 24.1. | |
0d5852cf MA |
2054 | (and (boundp 'partial-completion-mode) |
2055 | (symbol-value 'partial-completion-mode)) | |
aa485f7c MA |
2056 | ;; FIXME: These may have been loaded even if the user never |
2057 | ;; intended to use them. | |
2058 | (featurep 'ido) | |
2059 | (featurep 'icicles))) | |
aff67808 MA |
2060 | (save-match-data (apply (cdr fn) args)) |
2061 | (tramp-completion-run-real-handler operation args))))) | |
a01b1e22 | 2062 | |
b25a52cc | 2063 | ;;;###autoload |
aa485f7c MA |
2064 | (progn (defun tramp-register-file-name-handlers () |
2065 | "Add Tramp file name handlers to `file-name-handler-alist'." | |
2066 | ;; Remove autoloaded handlers from file name handler alist. Useful, | |
00d6fd04 MA |
2067 | ;; if `tramp-syntax' has been changed. |
2068 | (let ((a1 (rassq 'tramp-file-name-handler file-name-handler-alist))) | |
aa485f7c MA |
2069 | (setq file-name-handler-alist (delq a1 file-name-handler-alist))) |
2070 | (let ((a1 (rassq | |
2071 | 'tramp-completion-file-name-handler file-name-handler-alist))) | |
2072 | (setq file-name-handler-alist (delq a1 file-name-handler-alist))) | |
2073 | ;; Add the handlers. | |
a01b1e22 MA |
2074 | (add-to-list 'file-name-handler-alist |
2075 | (cons tramp-file-name-regexp 'tramp-file-name-handler)) | |
0c0b61f1 | 2076 | (put 'tramp-file-name-handler 'safe-magic t) |
aa485f7c MA |
2077 | (add-to-list 'file-name-handler-alist |
2078 | (cons tramp-completion-file-name-regexp | |
2079 | 'tramp-completion-file-name-handler)) | |
2080 | (put 'tramp-completion-file-name-handler 'safe-magic t) | |
2081 | ;; If jka-compr or epa-file are already loaded, move them to the | |
2082 | ;; front of `file-name-handler-alist'. | |
2083 | (dolist (fnh '(epa-file-handler jka-compr-handler)) | |
2084 | (let ((entry (rassoc fnh file-name-handler-alist))) | |
2085 | (when entry | |
2086 | (setq file-name-handler-alist | |
2087 | (cons entry (delete entry file-name-handler-alist)))))))) | |
69cee873 | 2088 | |
00d6fd04 MA |
2089 | ;; `tramp-file-name-handler' must be registered before evaluation of |
2090 | ;; site-start and init files, because there might exist remote files | |
2091 | ;; already, f.e. files kept via recentf-mode. | |
4a93e698 | 2092 | ;;;###autoload |
aa485f7c | 2093 | (tramp-register-file-name-handlers) |
b25a52cc | 2094 | |
4a93e698 MA |
2095 | (defun tramp-exists-file-name-handler (operation &rest args) |
2096 | "Check, whether OPERATION runs a file name handler." | |
2097 | ;; The file name handler is determined on base of either an | |
2098 | ;; argument, `buffer-file-name', or `default-directory'. | |
2099 | (ignore-errors | |
2100 | (let* ((buffer-file-name "/") | |
2101 | (default-directory "/") | |
2102 | (fnha file-name-handler-alist) | |
2103 | (check-file-name-operation operation) | |
2104 | (file-name-handler-alist | |
2105 | (list | |
2106 | (cons "/" | |
2107 | (lambda (operation &rest args) | |
2108 | "Returns OPERATION if it is the one to be checked." | |
2109 | (if (equal check-file-name-operation operation) | |
2110 | operation | |
2111 | (let ((file-name-handler-alist fnha)) | |
2112 | (apply operation args)))))))) | |
2113 | (equal (apply operation args) operation)))) | |
2114 | ||
fb7933a3 | 2115 | ;;;###autoload |
8c04e197 | 2116 | (defun tramp-unload-file-name-handlers () |
a69c01a0 MA |
2117 | (setq file-name-handler-alist |
2118 | (delete (rassoc 'tramp-file-name-handler | |
2119 | file-name-handler-alist) | |
2120 | (delete (rassoc 'tramp-completion-file-name-handler | |
2121 | file-name-handler-alist) | |
2122 | file-name-handler-alist)))) | |
2123 | ||
8c04e197 | 2124 | (add-hook 'tramp-unload-hook 'tramp-unload-file-name-handlers) |
a69c01a0 | 2125 | |
0664ff72 | 2126 | ;;; File name handler functions for completion mode: |
a6e96327 MA |
2127 | |
2128 | (defvar tramp-completion-mode nil | |
2129 | "If non-nil, external packages signal that they are in file name completion. | |
2130 | ||
2131 | This is necessary, because Tramp uses a heuristic depending on last | |
2132 | input event. This fails when external packages use other characters | |
2133 | but <TAB>, <SPACE> or ?\\? for file name completion. This variable | |
2134 | should never be set globally, the intention is to let-bind it.") | |
16674e4f KG |
2135 | |
2136 | ;; Necessary because `tramp-file-name-regexp-unified' and | |
00d6fd04 MA |
2137 | ;; `tramp-completion-file-name-regexp-unified' aren't different. If |
2138 | ;; nil, `tramp-completion-run-real-handler' is called (i.e. forwarding | |
2139 | ;; to `tramp-file-name-handler'). Otherwise, it takes | |
2140 | ;; `tramp-run-real-handler'. Using `last-input-event' is a little bit | |
2141 | ;; risky, because completing a file might require loading other files, | |
2142 | ;; like "~/.netrc", and for them it shouldn't be decided based on that | |
2143 | ;; variable. On the other hand, those files shouldn't have partial | |
a4aeb9a4 MA |
2144 | ;; Tramp file name syntax. Maybe another variable should be introduced |
2145 | ;; overwriting this check in such cases. Or we change Tramp file name | |
00d6fd04 | 2146 | ;; syntax in order to avoid ambiguities, like in XEmacs ... |
0f34aa77 | 2147 | ;;;###tramp-autoload |
6c4e47fa | 2148 | (defun tramp-completion-mode-p () |
a94d821f | 2149 | "Check, whether method / user name / host name completion is active." |
6c4e47fa | 2150 | (or |
5f2b693f MA |
2151 | ;; Signal from outside. `non-essential' has been introduced in Emacs 24. |
2152 | (and (boundp 'non-essential) (symbol-value 'non-essential)) | |
a6e96327 MA |
2153 | tramp-completion-mode |
2154 | ;; Emacs. | |
94be87e8 | 2155 | (equal last-input-event 'tab) |
6c4e47fa | 2156 | (and (natnump last-input-event) |
94be87e8 | 2157 | (or |
a6e96327 | 2158 | ;; ?\t has event-modifier 'control. |
800a97b8 | 2159 | (equal last-input-event ?\t) |
94be87e8 | 2160 | (and (not (event-modifiers last-input-event)) |
800a97b8 SM |
2161 | (or (equal last-input-event ?\?) |
2162 | (equal last-input-event ?\ ))))) | |
a6e96327 | 2163 | ;; XEmacs. |
6c4e47fa MA |
2164 | (and (featurep 'xemacs) |
2165 | ;; `last-input-event' might be nil. | |
2166 | (not (null last-input-event)) | |
2167 | ;; `last-input-event' may have no character approximation. | |
0d5852cf | 2168 | (tramp-compat-funcall 'event-to-character last-input-event) |
94be87e8 | 2169 | (or |
a6e96327 | 2170 | ;; ?\t has event-modifier 'control. |
800a97b8 | 2171 | (equal |
0d5852cf | 2172 | (tramp-compat-funcall 'event-to-character last-input-event) ?\t) |
94be87e8 | 2173 | (and (not (event-modifiers last-input-event)) |
800a97b8 | 2174 | (or (equal |
0d5852cf MA |
2175 | (tramp-compat-funcall 'event-to-character last-input-event) |
2176 | ?\?) | |
800a97b8 | 2177 | (equal |
0d5852cf MA |
2178 | (tramp-compat-funcall 'event-to-character last-input-event) |
2179 | ?\ ))))))) | |
16674e4f | 2180 | |
acd1f317 MA |
2181 | (defun tramp-connectable-p (filename) |
2182 | "Check, whether it is possible to connect the remote host w/o side-effects. | |
2183 | This is true, if either the remote host is already connected, or if we are | |
2184 | not in completion mode." | |
2185 | (and (tramp-tramp-file-p filename) | |
2186 | (with-parsed-tramp-file-name filename nil | |
305c07f6 MA |
2187 | (or (not (tramp-completion-mode-p)) |
2188 | (let ((p (tramp-get-connection-process v))) | |
2189 | (and p (processp p) (memq (process-status p) '(run open)))))))) | |
acd1f317 | 2190 | |
16674e4f KG |
2191 | ;; Method, host name and user name completion. |
2192 | ;; `tramp-completion-dissect-file-name' returns a list of | |
2193 | ;; tramp-file-name structures. For all of them we return possible completions. | |
a01b1e22 | 2194 | ;;;###autoload |
16674e4f | 2195 | (defun tramp-completion-handle-file-name-all-completions (filename directory) |
00d6fd04 | 2196 | "Like `file-name-all-completions' for partial Tramp files." |
16674e4f | 2197 | |
2fe4b125 MA |
2198 | (let ((fullname |
2199 | (tramp-drop-volume-letter (expand-file-name filename directory))) | |
2200 | hop result result1) | |
2201 | ||
2202 | ;; Suppress hop from completion. | |
2203 | (when (string-match | |
2204 | (concat | |
2205 | tramp-prefix-regexp | |
2206 | "\\(" "\\(" tramp-remote-file-name-spec-regexp | |
2207 | tramp-postfix-hop-regexp | |
2208 | "\\)+" "\\)") | |
2209 | fullname) | |
2210 | (setq hop (match-string 1 fullname) | |
2211 | fullname (replace-match "" nil nil fullname 1))) | |
2212 | ||
2213 | ;; Possible completion structures. | |
2214 | (dolist (elt (tramp-completion-dissect-file-name fullname)) | |
2215 | (let* ((method (tramp-file-name-method elt)) | |
2216 | (user (tramp-file-name-user elt)) | |
2217 | (host (tramp-file-name-host elt)) | |
2218 | (localname (tramp-file-name-localname elt)) | |
00d6fd04 MA |
2219 | (m (tramp-find-method method user host)) |
2220 | (tramp-current-user user) ; see `tramp-parse-passwd' | |
2221 | all-user-hosts) | |
2222 | ||
2223 | (unless localname ;; Nothing to complete. | |
2224 | ||
2225 | (if (or user host) | |
2226 | ||
2227 | ;; Method dependent user / host combinations. | |
2228 | (progn | |
9e6ab520 | 2229 | (mapc |
00d6fd04 MA |
2230 | (lambda (x) |
2231 | (setq all-user-hosts | |
2232 | (append all-user-hosts | |
2233 | (funcall (nth 0 x) (nth 1 x))))) | |
2234 | (tramp-get-completion-function m)) | |
2235 | ||
9e6ab520 MA |
2236 | (setq result |
2237 | (append result | |
2238 | (mapcar | |
2239 | (lambda (x) | |
2240 | (tramp-get-completion-user-host | |
2241 | method user host (nth 0 x) (nth 1 x))) | |
2242 | (delq nil all-user-hosts))))) | |
00d6fd04 MA |
2243 | |
2244 | ;; Possible methods. | |
2245 | (setq result | |
2fe4b125 | 2246 | (append result (tramp-get-completion-methods m))))))) |
00d6fd04 | 2247 | |
2fe4b125 MA |
2248 | ;; Unify list, add hop, remove nil elements. |
2249 | (dolist (elt result) | |
2250 | (when elt | |
2251 | (string-match tramp-prefix-regexp elt) | |
2252 | (setq elt (replace-match (concat tramp-prefix-format hop) nil nil elt)) | |
2253 | (add-to-list | |
2254 | 'result1 | |
2255 | (substring elt (length (tramp-drop-volume-letter directory)))))) | |
00d6fd04 MA |
2256 | |
2257 | ;; Complete local parts. | |
2258 | (append | |
2259 | result1 | |
03c1ad43 MA |
2260 | (ignore-errors |
2261 | (apply (if (tramp-connectable-p fullname) | |
2262 | 'tramp-completion-run-real-handler | |
2263 | 'tramp-run-real-handler) | |
2264 | 'file-name-all-completions (list (list filename directory))))))) | |
16674e4f KG |
2265 | |
2266 | ;; Method, host name and user name completion for a file. | |
a01b1e22 | 2267 | ;;;###autoload |
e1e17cae MA |
2268 | (defun tramp-completion-handle-file-name-completion |
2269 | (filename directory &optional predicate) | |
00d6fd04 | 2270 | "Like `file-name-completion' for Tramp files." |
e1e17cae MA |
2271 | (try-completion |
2272 | filename | |
2273 | (mapcar 'list (file-name-all-completions filename directory)) | |
acd1f317 MA |
2274 | (when (and predicate |
2275 | (tramp-connectable-p (expand-file-name filename directory))) | |
83e20b5c | 2276 | (lambda (x) (funcall predicate (expand-file-name (car x) directory)))))) |
16674e4f KG |
2277 | |
2278 | ;; I misuse a little bit the tramp-file-name structure in order to handle | |
2279 | ;; completion possibilities for partial methods / user names / host names. | |
2280 | ;; Return value is a list of tramp-file-name structures according to possible | |
00d6fd04 | 2281 | ;; completions. If "localname" is non-nil it means there |
16674e4f KG |
2282 | ;; shouldn't be a completion anymore. |
2283 | ||
2284 | ;; Expected results: | |
2285 | ||
00d6fd04 MA |
2286 | ;; "/x" "/[x" "/x@" "/[x@" "/x@y" "/[x@y" |
2287 | ;; [nil nil "x" nil] [nil "x" nil nil] [nil "x" "y" nil] | |
2288 | ;; [nil "x" nil nil] | |
2289 | ;; ["x" nil nil nil] | |
2290 | ||
2291 | ;; "/x:" "/x:y" "/x:y:" | |
2292 | ;; [nil nil "x" ""] [nil nil "x" "y"] ["x" nil "y" ""] | |
2293 | ;; "/[x/" "/[x/y" | |
2294 | ;; ["x" nil "" nil] ["x" nil "y" nil] | |
2295 | ;; ["x" "" nil nil] ["x" "y" nil nil] | |
2296 | ||
2297 | ;; "/x:y@" "/x:y@z" "/x:y@z:" | |
2298 | ;; [nil nil "x" "y@"] [nil nil "x" "y@z"] ["x" "y" "z" ""] | |
2299 | ;; "/[x/y@" "/[x/y@z" | |
2300 | ;; ["x" nil "y" nil] ["x" "y" "z" nil] | |
16674e4f KG |
2301 | (defun tramp-completion-dissect-file-name (name) |
2302 | "Returns a list of `tramp-file-name' structures. | |
2303 | They are collected by `tramp-completion-dissect-file-name1'." | |
2304 | ||
2305 | (let* ((result) | |
4007ba5b | 2306 | (x-nil "\\|\\(\\)") |
b96e6899 MA |
2307 | (tramp-completion-ipv6-regexp |
2308 | (format | |
2309 | "[^%s]*" | |
2310 | (if (zerop (length tramp-postfix-ipv6-format)) | |
2311 | tramp-postfix-host-format | |
2312 | tramp-postfix-ipv6-format))) | |
4007ba5b KG |
2313 | ;; "/method" "/[method" |
2314 | (tramp-completion-file-name-structure1 | |
2315 | (list (concat tramp-prefix-regexp "\\(" tramp-method-regexp x-nil "\\)$") | |
2316 | 1 nil nil nil)) | |
2317 | ;; "/user" "/[user" | |
2318 | (tramp-completion-file-name-structure2 | |
2319 | (list (concat tramp-prefix-regexp "\\(" tramp-user-regexp x-nil "\\)$") | |
2320 | nil 1 nil nil)) | |
2321 | ;; "/host" "/[host" | |
2322 | (tramp-completion-file-name-structure3 | |
2323 | (list (concat tramp-prefix-regexp "\\(" tramp-host-regexp x-nil "\\)$") | |
2324 | nil nil 1 nil)) | |
b96e6899 | 2325 | ;; "/[ipv6" "/[ipv6" |
4007ba5b | 2326 | (tramp-completion-file-name-structure4 |
b96e6899 MA |
2327 | (list (concat tramp-prefix-regexp |
2328 | tramp-prefix-ipv6-regexp | |
2329 | "\\(" tramp-completion-ipv6-regexp x-nil "\\)$") | |
2330 | nil nil 1 nil)) | |
2331 | ;; "/user@host" "/[user@host" | |
2332 | (tramp-completion-file-name-structure5 | |
4007ba5b KG |
2333 | (list (concat tramp-prefix-regexp |
2334 | "\\(" tramp-user-regexp "\\)" tramp-postfix-user-regexp | |
2335 | "\\(" tramp-host-regexp x-nil "\\)$") | |
2336 | nil 1 2 nil)) | |
b96e6899 MA |
2337 | ;; "/user@[ipv6" "/[user@ipv6" |
2338 | (tramp-completion-file-name-structure6 | |
2339 | (list (concat tramp-prefix-regexp | |
2340 | "\\(" tramp-user-regexp "\\)" tramp-postfix-user-regexp | |
2341 | tramp-prefix-ipv6-regexp | |
2342 | "\\(" tramp-completion-ipv6-regexp x-nil "\\)$") | |
2343 | nil 1 2 nil)) | |
00d6fd04 | 2344 | ;; "/method:user" "/[method/user" "/method://user" |
b96e6899 | 2345 | (tramp-completion-file-name-structure7 |
4007ba5b | 2346 | (list (concat tramp-prefix-regexp |
00d6fd04 | 2347 | "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp |
4007ba5b KG |
2348 | "\\(" tramp-user-regexp x-nil "\\)$") |
2349 | 1 2 nil nil)) | |
00d6fd04 | 2350 | ;; "/method:host" "/[method/host" "/method://host" |
b96e6899 | 2351 | (tramp-completion-file-name-structure8 |
4007ba5b | 2352 | (list (concat tramp-prefix-regexp |
00d6fd04 | 2353 | "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp |
4007ba5b KG |
2354 | "\\(" tramp-host-regexp x-nil "\\)$") |
2355 | 1 nil 2 nil)) | |
b96e6899 MA |
2356 | ;; "/method:[ipv6" "/[method/ipv6" "/method://[ipv6" |
2357 | (tramp-completion-file-name-structure9 | |
2358 | (list (concat tramp-prefix-regexp | |
2359 | "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp | |
2360 | tramp-prefix-ipv6-regexp | |
2361 | "\\(" tramp-completion-ipv6-regexp x-nil "\\)$") | |
2362 | 1 nil 2 nil)) | |
00d6fd04 | 2363 | ;; "/method:user@host" "/[method/user@host" "/method://user@host" |
b96e6899 | 2364 | (tramp-completion-file-name-structure10 |
4007ba5b | 2365 | (list (concat tramp-prefix-regexp |
00d6fd04 | 2366 | "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp |
4007ba5b KG |
2367 | "\\(" tramp-user-regexp "\\)" tramp-postfix-user-regexp |
2368 | "\\(" tramp-host-regexp x-nil "\\)$") | |
00d6fd04 | 2369 | 1 2 3 nil)) |
b96e6899 MA |
2370 | ;; "/method:user@[ipv6" "/[method/user@ipv6" "/method://user@[ipv6" |
2371 | (tramp-completion-file-name-structure11 | |
2372 | (list (concat tramp-prefix-regexp | |
2373 | "\\(" tramp-method-regexp "\\)" tramp-postfix-method-regexp | |
2374 | "\\(" tramp-user-regexp "\\)" tramp-postfix-user-regexp | |
2375 | tramp-prefix-ipv6-regexp | |
2376 | "\\(" tramp-completion-ipv6-regexp x-nil "\\)$") | |
2377 | 1 2 3 nil)) | |
00d6fd04 | 2378 | ;; "/method: "/method:/" |
b96e6899 | 2379 | (tramp-completion-file-name-structure12 |
00d6fd04 MA |
2380 | (list |
2381 | (if (equal tramp-syntax 'url) | |
2382 | (concat tramp-prefix-regexp | |
2383 | "\\(" tramp-method-regexp "\\)" | |
2384 | "\\(" (substring tramp-postfix-method-regexp 0 1) | |
2385 | "\\|" (substring tramp-postfix-method-regexp 1 2) "\\)" | |
2386 | "\\(" "\\)$") | |
2387 | ;; Should not match if not URL syntax. | |
2388 | (concat tramp-prefix-regexp "/$")) | |
2389 | 1 3 nil nil)) | |
2390 | ;; "/method: "/method:/" | |
b96e6899 | 2391 | (tramp-completion-file-name-structure13 |
00d6fd04 MA |
2392 | (list |
2393 | (if (equal tramp-syntax 'url) | |
2394 | (concat tramp-prefix-regexp | |
2395 | "\\(" tramp-method-regexp "\\)" | |
2396 | "\\(" (substring tramp-postfix-method-regexp 0 1) | |
2397 | "\\|" (substring tramp-postfix-method-regexp 1 2) "\\)" | |
2398 | "\\(" "\\)$") | |
2399 | ;; Should not match if not URL syntax. | |
2400 | (concat tramp-prefix-regexp "/$")) | |
2401 | 1 nil 3 nil))) | |
4007ba5b | 2402 | |
2fe4b125 | 2403 | (mapc (lambda (structure) |
16674e4f | 2404 | (add-to-list 'result |
2fe4b125 | 2405 | (tramp-completion-dissect-file-name1 structure name))) |
16674e4f KG |
2406 | (list |
2407 | tramp-completion-file-name-structure1 | |
2408 | tramp-completion-file-name-structure2 | |
2409 | tramp-completion-file-name-structure3 | |
2410 | tramp-completion-file-name-structure4 | |
2411 | tramp-completion-file-name-structure5 | |
2412 | tramp-completion-file-name-structure6 | |
2413 | tramp-completion-file-name-structure7 | |
00d6fd04 MA |
2414 | tramp-completion-file-name-structure8 |
2415 | tramp-completion-file-name-structure9 | |
b96e6899 MA |
2416 | tramp-completion-file-name-structure10 |
2417 | tramp-completion-file-name-structure11 | |
2418 | tramp-completion-file-name-structure12 | |
2419 | tramp-completion-file-name-structure13 | |
16674e4f KG |
2420 | tramp-file-name-structure)) |
2421 | ||
2422 | (delq nil result))) | |
2423 | ||
2424 | (defun tramp-completion-dissect-file-name1 (structure name) | |
2425 | "Returns a `tramp-file-name' structure matching STRUCTURE. | |
00d6fd04 | 2426 | The structure consists of remote method, remote user, |
7432277c | 2427 | remote host and localname (filename on remote host)." |
fb7933a3 | 2428 | |
00d6fd04 MA |
2429 | (save-match-data |
2430 | (when (string-match (nth 0 structure) name) | |
2431 | (let ((method (and (nth 1 structure) | |
2432 | (match-string (nth 1 structure) name))) | |
2433 | (user (and (nth 2 structure) | |
2434 | (match-string (nth 2 structure) name))) | |
2435 | (host (and (nth 3 structure) | |
2436 | (match-string (nth 3 structure) name))) | |
2437 | (localname (and (nth 4 structure) | |
2438 | (match-string (nth 4 structure) name)))) | |
2fe4b125 | 2439 | (vector method user host localname nil))))) |
16674e4f KG |
2440 | |
2441 | ;; This function returns all possible method completions, adding the | |
51aba3f3 | 2442 | ;; trailing method delimiter. |
16674e4f KG |
2443 | (defun tramp-get-completion-methods (partial-method) |
2444 | "Returns all method completions for PARTIAL-METHOD." | |
4007ba5b KG |
2445 | (mapcar |
2446 | (lambda (method) | |
2447 | (and method | |
2448 | (string-match (concat "^" (regexp-quote partial-method)) method) | |
00d6fd04 MA |
2449 | (tramp-completion-make-tramp-file-name method nil nil nil))) |
2450 | (mapcar 'car tramp-methods))) | |
16674e4f KG |
2451 | |
2452 | ;; Compares partial user and host names with possible completions. | |
2fe4b125 MA |
2453 | (defun tramp-get-completion-user-host |
2454 | (method partial-user partial-host user host) | |
16674e4f KG |
2455 | "Returns the most expanded string for user and host name completion. |
2456 | PARTIAL-USER must match USER, PARTIAL-HOST must match HOST." | |
2457 | (cond | |
2458 | ||
2459 | ((and partial-user partial-host) | |
2460 | (if (and host | |
2461 | (string-match (concat "^" (regexp-quote partial-host)) host) | |
2462 | (string-equal partial-user (or user partial-user))) | |
2463 | (setq user partial-user) | |
2464 | (setq user nil | |
2465 | host nil))) | |
2466 | ||
2467 | (partial-user | |
2468 | (setq host nil) | |
2469 | (unless | |
2470 | (and user (string-match (concat "^" (regexp-quote partial-user)) user)) | |
2471 | (setq user nil))) | |
2472 | ||
2473 | (partial-host | |
2474 | (setq user nil) | |
2475 | (unless | |
2476 | (and host (string-match (concat "^" (regexp-quote partial-host)) host)) | |
2477 | (setq host nil))) | |
2478 | ||
2479 | (t (setq user nil | |
2480 | host nil))) | |
2481 | ||
292ffc15 | 2482 | (unless (zerop (+ (length user) (length host))) |
00d6fd04 | 2483 | (tramp-completion-make-tramp-file-name method user host nil))) |
16674e4f | 2484 | |
2fe4b125 MA |
2485 | ;; Generic function. |
2486 | (defun tramp-parse-group (regexp match-level skip-regexp) | |
2487 | "Return a (user host) tuple allowed to access. | |
2488 | User is always nil." | |
2489 | (let (result) | |
2490 | (when (re-search-forward regexp (point-at-eol) t) | |
2491 | (setq result (list nil (match-string match-level)))) | |
2492 | (or | |
2493 | (> (skip-chars-forward skip-regexp) 0) | |
2494 | (forward-line 1)) | |
2495 | result)) | |
2496 | ||
2497 | ;; Generic function. | |
2498 | (defun tramp-parse-file (filename function) | |
16674e4f | 2499 | "Return a list of (user host) tuples allowed to access. |
2fe4b125 | 2500 | User is always nil." |
00d6fd04 MA |
2501 | ;; On Windows, there are problems in completion when |
2502 | ;; `default-directory' is remote. | |
2fe4b125 | 2503 | (let ((default-directory (tramp-compat-temporary-file-directory))) |
8daea7fc | 2504 | (when (file-readable-p filename) |
16674e4f KG |
2505 | (with-temp-buffer |
2506 | (insert-file-contents filename) | |
2507 | (goto-char (point-min)) | |
2fe4b125 MA |
2508 | (loop while (not (eobp)) collect (funcall function)))))) |
2509 | ||
2510 | ;;;###tramp-autoload | |
2511 | (defun tramp-parse-rhosts (filename) | |
2512 | "Return a list of (user host) tuples allowed to access. | |
2513 | Either user or host may be nil." | |
2514 | (tramp-parse-file filename 'tramp-parse-rhosts-group)) | |
16674e4f | 2515 | |
16674e4f KG |
2516 | (defun tramp-parse-rhosts-group () |
2517 | "Return a (user host) tuple allowed to access. | |
292ffc15 | 2518 | Either user or host may be nil." |
16674e4f KG |
2519 | (let ((result) |
2520 | (regexp | |
2521 | (concat | |
2522 | "^\\(" tramp-host-regexp "\\)" | |
2523 | "\\([ \t]+" "\\(" tramp-user-regexp "\\)" "\\)?"))) | |
2fe4b125 | 2524 | (when (re-search-forward regexp (point-at-eol) t) |
16674e4f | 2525 | (setq result (append (list (match-string 3) (match-string 1))))) |
16674e4f KG |
2526 | (forward-line 1) |
2527 | result)) | |
2528 | ||
f8f91c2b | 2529 | ;;;###tramp-autoload |
16674e4f KG |
2530 | (defun tramp-parse-shosts (filename) |
2531 | "Return a list of (user host) tuples allowed to access. | |
2532 | User is always nil." | |
2fe4b125 | 2533 | (tramp-parse-file filename 'tramp-parse-shosts-group)) |
16674e4f KG |
2534 | |
2535 | (defun tramp-parse-shosts-group () | |
2536 | "Return a (user host) tuple allowed to access. | |
2537 | User is always nil." | |
2fe4b125 | 2538 | (tramp-parse-group (concat "^\\(" tramp-host-regexp "\\)") 1 ",")) |
16674e4f | 2539 | |
f8f91c2b | 2540 | ;;;###tramp-autoload |
8daea7fc KG |
2541 | (defun tramp-parse-sconfig (filename) |
2542 | "Return a list of (user host) tuples allowed to access. | |
2543 | User is always nil." | |
2fe4b125 | 2544 | (tramp-parse-file filename 'tramp-parse-sconfig-group)) |
8daea7fc KG |
2545 | |
2546 | (defun tramp-parse-sconfig-group () | |
2547 | "Return a (user host) tuple allowed to access. | |
2548 | User is always nil." | |
2fe4b125 MA |
2549 | (tramp-parse-group |
2550 | (concat "^[ \t]*Host[ \t]+" "\\(" tramp-host-regexp "\\)") 1 ",")) | |
8daea7fc | 2551 | |
2fe4b125 MA |
2552 | ;; Generic function. |
2553 | (defun tramp-parse-shostkeys-sknownhosts (dirname regexp) | |
5ec2cc41 KG |
2554 | "Return a list of (user host) tuples allowed to access. |
2555 | User is always nil." | |
00d6fd04 MA |
2556 | ;; On Windows, there are problems in completion when |
2557 | ;; `default-directory' is remote. | |
9e6ab520 | 2558 | (let* ((default-directory (tramp-compat-temporary-file-directory)) |
2fe4b125 MA |
2559 | (files (and (file-directory-p dirname) (directory-files dirname)))) |
2560 | (loop for f in files | |
2561 | when (and (not (string-match "^\\.\\.?$" f)) (string-match regexp f)) | |
2562 | collect (list nil (match-string 1 f))))) | |
2563 | ||
2564 | ;;;###tramp-autoload | |
2565 | (defun tramp-parse-shostkeys (dirname) | |
2566 | "Return a list of (user host) tuples allowed to access. | |
2567 | User is always nil." | |
2568 | (tramp-parse-shostkeys-sknownhosts | |
2569 | dirname (concat "^key_[0-9]+_\\(" tramp-host-regexp "\\)\\.pub$"))) | |
5ec2cc41 | 2570 | |
2fe4b125 | 2571 | ;;;###tramp-autoload |
5ec2cc41 KG |
2572 | (defun tramp-parse-sknownhosts (dirname) |
2573 | "Return a list of (user host) tuples allowed to access. | |
2574 | User is always nil." | |
2fe4b125 MA |
2575 | (tramp-parse-shostkeys-sknownhosts |
2576 | dirname | |
2577 | (concat "^\\(" tramp-host-regexp "\\)\\.ssh-\\(dss\\|rsa\\)\\.pub$"))) | |
5ec2cc41 | 2578 | |
f8f91c2b | 2579 | ;;;###tramp-autoload |
16674e4f KG |
2580 | (defun tramp-parse-hosts (filename) |
2581 | "Return a list of (user host) tuples allowed to access. | |
2582 | User is always nil." | |
2fe4b125 | 2583 | (tramp-parse-file filename 'tramp-parse-hosts-group)) |
16674e4f KG |
2584 | |
2585 | (defun tramp-parse-hosts-group () | |
2586 | "Return a (user host) tuple allowed to access. | |
2587 | User is always nil." | |
2fe4b125 MA |
2588 | (tramp-parse-group |
2589 | (concat "^\\(" tramp-ipv6-regexp "\\|" tramp-host-regexp "\\)") 1 " \t")) | |
16674e4f | 2590 | |
8daea7fc KG |
2591 | ;; For su-alike methods it would be desirable to return "root@localhost" |
2592 | ;; as default. Unfortunately, we have no information whether any user name | |
00d6fd04 | 2593 | ;; has been typed already. So we use `tramp-current-user' as indication, |
8daea7fc | 2594 | ;; assuming it is set in `tramp-completion-handle-file-name-all-completions'. |
f8f91c2b | 2595 | ;;;###tramp-autoload |
16674e4f KG |
2596 | (defun tramp-parse-passwd (filename) |
2597 | "Return a list of (user host) tuples allowed to access. | |
2598 | Host is always \"localhost\"." | |
2fe4b125 MA |
2599 | (if (zerop (length tramp-current-user)) |
2600 | '(("root" nil)) | |
2601 | (tramp-parse-file filename 'tramp-parse-passwd-group))) | |
16674e4f KG |
2602 | |
2603 | (defun tramp-parse-passwd-group () | |
2604 | "Return a (user host) tuple allowed to access. | |
292ffc15 | 2605 | Host is always \"localhost\"." |
16674e4f KG |
2606 | (let ((result) |
2607 | (regexp (concat "^\\(" tramp-user-regexp "\\):"))) | |
2fe4b125 | 2608 | (when (re-search-forward regexp (point-at-eol) t) |
16674e4f | 2609 | (setq result (list (match-string 1) "localhost"))) |
16674e4f KG |
2610 | (forward-line 1) |
2611 | result)) | |
2612 | ||
f8f91c2b | 2613 | ;;;###tramp-autoload |
292ffc15 KG |
2614 | (defun tramp-parse-netrc (filename) |
2615 | "Return a list of (user host) tuples allowed to access. | |
2616 | User may be nil." | |
2fe4b125 | 2617 | (tramp-parse-file filename 'tramp-parse-netrc-group)) |
292ffc15 KG |
2618 | |
2619 | (defun tramp-parse-netrc-group () | |
2620 | "Return a (user host) tuple allowed to access. | |
2621 | User may be nil." | |
292ffc15 KG |
2622 | (let ((result) |
2623 | (regexp | |
2624 | (concat | |
2625 | "^[ \t]*machine[ \t]+" "\\(" tramp-host-regexp "\\)" | |
2626 | "\\([ \t]+login[ \t]+" "\\(" tramp-user-regexp "\\)" "\\)?"))) | |
2fe4b125 | 2627 | (when (re-search-forward regexp (point-at-eol) t) |
292ffc15 | 2628 | (setq result (list (match-string 3) (match-string 1)))) |
292ffc15 KG |
2629 | (forward-line 1) |
2630 | result)) | |
2631 | ||
f8f91c2b | 2632 | ;;;###tramp-autoload |
2fe4b125 | 2633 | (defun tramp-parse-putty (registry-or-dirname) |
00d6fd04 MA |
2634 | "Return a list of (user host) tuples allowed to access. |
2635 | User is always nil." | |
2fe4b125 MA |
2636 | (if (memq system-type '(windows-nt)) |
2637 | (with-temp-buffer | |
2638 | (when (zerop (tramp-compat-call-process | |
2639 | "reg" nil t nil "query" registry-or-dirname)) | |
2640 | (goto-char (point-min)) | |
2641 | (loop while (not (eobp)) collect | |
2642 | (tramp-parse-putty-group registry-or-dirname)))) | |
2643 | ;; UNIX case. | |
2644 | (tramp-parse-shostkeys-sknownhosts | |
2645 | registry-or-dirname (concat "^\\(" tramp-host-regexp "\\)$")))) | |
00d6fd04 MA |
2646 | |
2647 | (defun tramp-parse-putty-group (registry) | |
2648 | "Return a (user host) tuple allowed to access. | |
2649 | User is always nil." | |
2650 | (let ((result) | |
2651 | (regexp (concat (regexp-quote registry) "\\\\\\(.+\\)"))) | |
2fe4b125 | 2652 | (when (re-search-forward regexp (point-at-eol) t) |
00d6fd04 | 2653 | (setq result (list nil (match-string 1)))) |
00d6fd04 MA |
2654 | (forward-line 1) |
2655 | result)) | |
2656 | ||
4a93e698 | 2657 | ;;; Common file name handler functions for different backends: |
b88f2d0a | 2658 | |
4a93e698 MA |
2659 | (defvar tramp-handle-file-local-copy-hook nil |
2660 | "Normal hook to be run at the end of `tramp-*-handle-file-local-copy'.") | |
2661 | ||
2662 | (defvar tramp-handle-write-region-hook nil | |
2663 | "Normal hook to be run at the end of `tramp-*-handle-write-region'.") | |
2664 | ||
2665 | (defun tramp-handle-directory-file-name (directory) | |
2666 | "Like `directory-file-name' for Tramp files." | |
2667 | ;; If localname component of filename is "/", leave it unchanged. | |
2668 | ;; Otherwise, remove any trailing slash from localname component. | |
2669 | ;; Method, host, etc, are unchanged. Does it make sense to try | |
2670 | ;; to avoid parsing the filename? | |
2671 | (with-parsed-tramp-file-name directory nil | |
2672 | (if (and (not (zerop (length localname))) | |
2673 | (eq (aref localname (1- (length localname))) ?/) | |
2674 | (not (string= localname "/"))) | |
2675 | (substring directory 0 -1) | |
2676 | directory))) | |
2677 | ||
2678 | (defun tramp-handle-directory-files | |
2679 | (directory &optional full match nosort files-only) | |
2680 | "Like `directory-files' for Tramp files." | |
2681 | ;; FILES-ONLY is valid for XEmacs only. | |
2682 | (when (file-directory-p directory) | |
2683 | (setq directory (file-name-as-directory (expand-file-name directory))) | |
2684 | (let ((temp (nreverse (file-name-all-completions "" directory))) | |
2685 | result item) | |
2686 | ||
2687 | (while temp | |
2688 | (setq item (directory-file-name (pop temp))) | |
2689 | (when (and (or (null match) (string-match match item)) | |
2690 | (or (null files-only) | |
2691 | ;; Files only. | |
2692 | (and (equal files-only t) (file-regular-p item)) | |
2693 | ;; Directories only. | |
2694 | (file-directory-p item))) | |
2695 | (push (if full (concat directory item) item) | |
2696 | result))) | |
2697 | (if nosort result (sort result 'string<))))) | |
2698 | ||
bd8fadca MA |
2699 | (defun tramp-handle-directory-files-and-attributes |
2700 | (directory &optional full match nosort id-format) | |
2701 | "Like `directory-files-and-attributes' for Tramp files." | |
2702 | (mapcar | |
2703 | (lambda (x) | |
2704 | (cons x (tramp-compat-file-attributes | |
2705 | (if full x (expand-file-name x directory)) id-format))) | |
2706 | (directory-files directory full match nosort))) | |
2707 | ||
4a93e698 MA |
2708 | (defun tramp-handle-dired-uncache (dir &optional dir-p) |
2709 | "Like `dired-uncache' for Tramp files." | |
2710 | ;; DIR-P is valid for XEmacs only. | |
2711 | (with-parsed-tramp-file-name | |
2712 | (if (or dir-p (file-directory-p dir)) dir (file-name-directory dir)) nil | |
2713 | (tramp-flush-directory-property v localname))) | |
2714 | ||
bd8fadca MA |
2715 | (defun tramp-handle-file-exists-p (filename) |
2716 | "Like `file-exists-p' for Tramp files." | |
2717 | (not (null (file-attributes filename)))) | |
2718 | ||
4a93e698 MA |
2719 | (defun tramp-handle-file-modes (filename) |
2720 | "Like `file-modes' for Tramp files." | |
2721 | (let ((truename (or (file-truename filename) filename))) | |
2722 | (when (file-exists-p truename) | |
2723 | (tramp-mode-string-to-int (nth 8 (file-attributes truename)))))) | |
2724 | ||
2725 | ;; Localname manipulation functions that grok Tramp localnames... | |
2726 | (defun tramp-handle-file-name-as-directory (file) | |
2727 | "Like `file-name-as-directory' but aware of Tramp files." | |
2728 | ;; `file-name-as-directory' would be sufficient except localname is | |
2729 | ;; the empty string. | |
2730 | (let ((v (tramp-dissect-file-name file t))) | |
2731 | ;; Run the command on the localname portion only. | |
2732 | (tramp-make-tramp-file-name | |
2733 | (tramp-file-name-method v) | |
2734 | (tramp-file-name-user v) | |
2735 | (tramp-file-name-host v) | |
2736 | (tramp-run-real-handler | |
2737 | 'file-name-as-directory (list (or (tramp-file-name-localname v) "")))))) | |
2738 | ||
2739 | (defun tramp-handle-file-name-completion | |
2740 | (filename directory &optional predicate) | |
2741 | "Like `file-name-completion' for Tramp files." | |
2742 | (unless (tramp-tramp-file-p directory) | |
2743 | (error | |
2744 | "tramp-handle-file-name-completion invoked on non-tramp directory `%s'" | |
2745 | directory)) | |
2746 | (try-completion | |
2747 | filename | |
2748 | (mapcar 'list (file-name-all-completions filename directory)) | |
2749 | (when predicate | |
2750 | (lambda (x) (funcall predicate (expand-file-name (car x) directory)))))) | |
2751 | ||
2752 | (defun tramp-handle-file-name-directory (file) | |
2753 | "Like `file-name-directory' but aware of Tramp files." | |
2754 | ;; Everything except the last filename thing is the directory. We | |
2755 | ;; cannot apply `with-parsed-tramp-file-name', because this expands | |
2756 | ;; the remote file name parts. This is a problem when we are in | |
2757 | ;; file name completion. | |
2758 | (let ((v (tramp-dissect-file-name file t))) | |
2759 | ;; Run the command on the localname portion only. | |
2760 | (tramp-make-tramp-file-name | |
2761 | (tramp-file-name-method v) | |
2762 | (tramp-file-name-user v) | |
2763 | (tramp-file-name-host v) | |
2764 | (tramp-run-real-handler | |
2765 | 'file-name-directory (list (or (tramp-file-name-localname v) "")))))) | |
2766 | ||
2767 | (defun tramp-handle-file-name-nondirectory (file) | |
2768 | "Like `file-name-nondirectory' but aware of Tramp files." | |
2769 | (with-parsed-tramp-file-name file nil | |
2770 | (tramp-run-real-handler 'file-name-nondirectory (list localname)))) | |
2771 | ||
bd8fadca MA |
2772 | (defun tramp-handle-file-newer-than-file-p (file1 file2) |
2773 | "Like `file-newer-than-file-p' for Tramp files." | |
2774 | (cond | |
2775 | ((not (file-exists-p file1)) nil) | |
2776 | ((not (file-exists-p file2)) t) | |
2777 | (t (tramp-time-less-p (nth 5 (file-attributes file2)) | |
2778 | (nth 5 (file-attributes file1)))))) | |
2779 | ||
4a93e698 MA |
2780 | (defun tramp-handle-file-regular-p (filename) |
2781 | "Like `file-regular-p' for Tramp files." | |
2782 | (and (file-exists-p filename) | |
2783 | (eq ?- (aref (nth 8 (file-attributes filename)) 0)))) | |
2784 | ||
2785 | (defun tramp-handle-file-remote-p (filename &optional identification connected) | |
2786 | "Like `file-remote-p' for Tramp files." | |
2787 | (let ((tramp-verbose 3)) | |
2788 | (when (tramp-tramp-file-p filename) | |
2789 | (let* ((v (tramp-dissect-file-name filename)) | |
2790 | (p (tramp-get-connection-process v)) | |
2791 | (c (and p (processp p) (memq (process-status p) '(run open))))) | |
2792 | ;; We expand the file name only, if there is already a connection. | |
2793 | (with-parsed-tramp-file-name | |
2794 | (if c (expand-file-name filename) filename) nil | |
2795 | (and (or (not connected) c) | |
2796 | (cond | |
2797 | ((eq identification 'method) method) | |
2798 | ((eq identification 'user) user) | |
2799 | ((eq identification 'host) host) | |
2800 | ((eq identification 'localname) localname) | |
2801 | (t (tramp-make-tramp-file-name method user host ""))))))))) | |
2802 | ||
2803 | (defun tramp-handle-file-symlink-p (filename) | |
2804 | "Like `file-symlink-p' for Tramp files." | |
2805 | (with-parsed-tramp-file-name filename nil | |
2806 | (let ((x (car (file-attributes filename)))) | |
2807 | (when (stringp x) | |
2808 | ;; When Tramp is running on VMS, then `file-name-absolute-p' | |
2809 | ;; might do weird things. | |
2810 | (if (file-name-absolute-p x) | |
2811 | (tramp-make-tramp-file-name method user host x) | |
2812 | x))))) | |
2813 | ||
2814 | (defun tramp-handle-find-backup-file-name (filename) | |
2815 | "Like `find-backup-file-name' for Tramp files." | |
2816 | (with-parsed-tramp-file-name filename nil | |
2817 | ;; We set both variables. It doesn't matter whether it is | |
2818 | ;; Emacs or XEmacs. | |
2819 | (let ((backup-directory-alist | |
2820 | ;; Emacs case. | |
2821 | (when (boundp 'backup-directory-alist) | |
2822 | (if (symbol-value 'tramp-backup-directory-alist) | |
2823 | (mapcar | |
2824 | (lambda (x) | |
2825 | (cons | |
2826 | (car x) | |
2827 | (if (and (stringp (cdr x)) | |
2828 | (file-name-absolute-p (cdr x)) | |
2829 | (not (tramp-file-name-p (cdr x)))) | |
2830 | (tramp-make-tramp-file-name method user host (cdr x)) | |
2831 | (cdr x)))) | |
2832 | (symbol-value 'tramp-backup-directory-alist)) | |
2833 | (symbol-value 'backup-directory-alist)))) | |
2834 | ||
2835 | (bkup-backup-directory-info | |
2836 | ;; XEmacs case. | |
2837 | (when (boundp 'bkup-backup-directory-info) | |
2838 | (if (symbol-value 'tramp-bkup-backup-directory-info) | |
2839 | (mapcar | |
2840 | (lambda (x) | |
2841 | (nconc | |
2842 | (list (car x)) | |
2843 | (list | |
2844 | (if (and (stringp (car (cdr x))) | |
2845 | (file-name-absolute-p (car (cdr x))) | |
2846 | (not (tramp-file-name-p (car (cdr x))))) | |
2847 | (tramp-make-tramp-file-name | |
2848 | method user host (car (cdr x))) | |
2849 | (car (cdr x)))) | |
2850 | (cdr (cdr x)))) | |
2851 | (symbol-value 'tramp-bkup-backup-directory-info)) | |
2852 | (symbol-value 'bkup-backup-directory-info))))) | |
2853 | ||
2854 | (tramp-run-real-handler 'find-backup-file-name (list filename))))) | |
2855 | ||
2856 | (defun tramp-handle-insert-file-contents | |
2857 | (filename &optional visit beg end replace) | |
2858 | "Like `insert-file-contents' for Tramp files." | |
2859 | (barf-if-buffer-read-only) | |
2860 | (setq filename (expand-file-name filename)) | |
2861 | (let (result local-copy remote-copy) | |
2862 | (with-parsed-tramp-file-name filename nil | |
2fe4b125 MA |
2863 | (tramp-with-progress-reporter |
2864 | v 3 (format "Inserting `%s'" filename) | |
2865 | (unwind-protect | |
2866 | (if (not (file-exists-p filename)) | |
2867 | ;; We don't raise a Tramp error, because it might be | |
2868 | ;; suppressed, like in `find-file-noselect-1'. | |
2869 | (signal 'file-error | |
2870 | (list "File not found on remote host" filename)) | |
2871 | ||
2872 | (if (and (tramp-local-host-p v) | |
2873 | (let (file-name-handler-alist) | |
2874 | (file-readable-p localname))) | |
2875 | ;; Short track: if we are on the local host, we can | |
2876 | ;; run directly. | |
2877 | (setq result | |
2878 | (tramp-run-real-handler | |
2879 | 'insert-file-contents | |
2880 | (list localname visit beg end replace))) | |
2881 | ||
2882 | ;; When we shall insert only a part of the file, we | |
2883 | ;; copy this part. | |
2884 | (when (or beg end) | |
2885 | (setq remote-copy (tramp-make-tramp-temp-file v)) | |
2886 | ;; This is defined in tramp-sh.el. Let's assume | |
2887 | ;; this is loaded already. | |
2888 | (tramp-compat-funcall | |
2889 | 'tramp-send-command | |
2890 | v | |
2891 | (cond | |
2892 | ((and beg end) | |
2893 | (format "dd bs=1 skip=%d if=%s count=%d of=%s" | |
2894 | beg (tramp-shell-quote-argument localname) | |
2895 | (- end beg) remote-copy)) | |
2896 | (beg | |
2897 | (format "dd bs=1 skip=%d if=%s of=%s" | |
2898 | beg (tramp-shell-quote-argument localname) | |
2899 | remote-copy)) | |
2900 | (end | |
2901 | (format "dd bs=1 count=%d if=%s of=%s" | |
2902 | end (tramp-shell-quote-argument localname) | |
2903 | remote-copy))))) | |
2904 | ||
2905 | ;; `insert-file-contents-literally' takes care to | |
2906 | ;; avoid calling jka-compr. By let-binding | |
2907 | ;; `inhibit-file-name-operation', we propagate that | |
2908 | ;; care to the `file-local-copy' operation. | |
2909 | (setq local-copy | |
2910 | (let ((inhibit-file-name-operation | |
2911 | (when (eq inhibit-file-name-operation | |
2912 | 'insert-file-contents) | |
2913 | 'file-local-copy))) | |
2914 | (cond | |
2915 | ((stringp remote-copy) | |
2916 | (file-local-copy | |
2917 | (tramp-make-tramp-file-name | |
2918 | method user host remote-copy))) | |
2919 | ((stringp tramp-temp-buffer-file-name) | |
2920 | (copy-file filename tramp-temp-buffer-file-name 'ok) | |
2921 | tramp-temp-buffer-file-name) | |
2922 | (t (file-local-copy filename))))) | |
2923 | ||
2924 | ;; When the file is not readable for the owner, it | |
2925 | ;; cannot be inserted, even if it is readable for the | |
2926 | ;; group or for everybody. | |
2927 | (set-file-modes | |
2928 | local-copy (tramp-compat-octal-to-decimal "0600")) | |
2929 | ||
2930 | (when (and (null remote-copy) | |
2931 | (tramp-get-method-parameter | |
2932 | method 'tramp-copy-keep-tmpfile)) | |
2933 | ;; We keep the local file for performance reasons, | |
2934 | ;; useful for "rsync". | |
2935 | (setq tramp-temp-buffer-file-name local-copy)) | |
2936 | ||
4a93e698 MA |
2937 | ;; We must ensure that `file-coding-system-alist' |
2938 | ;; matches `local-copy'. | |
2939 | (let ((file-coding-system-alist | |
2940 | (tramp-find-file-name-coding-system-alist | |
2941 | filename local-copy))) | |
2942 | (setq result | |
2943 | (insert-file-contents | |
2fe4b125 MA |
2944 | local-copy nil nil nil replace))))) |
2945 | ||
2946 | ;; Save exit. | |
2947 | (progn | |
2948 | (when visit | |
2949 | (setq buffer-file-name filename) | |
2950 | (setq buffer-read-only (not (file-writable-p filename))) | |
2951 | (set-visited-file-modtime) | |
2952 | (set-buffer-modified-p nil)) | |
2953 | (when (and (stringp local-copy) | |
2954 | (or remote-copy (null tramp-temp-buffer-file-name))) | |
2955 | (delete-file local-copy)) | |
2956 | (when (stringp remote-copy) | |
2957 | (delete-file | |
2958 | (tramp-make-tramp-file-name method user host remote-copy))))))) | |
4a93e698 MA |
2959 | |
2960 | ;; Result. | |
2961 | (list (expand-file-name filename) | |
2962 | (cadr result)))) | |
2963 | ||
2964 | (defun tramp-handle-load (file &optional noerror nomessage nosuffix must-suffix) | |
2965 | "Like `load' for Tramp files." | |
2966 | (with-parsed-tramp-file-name (expand-file-name file) nil | |
2967 | (unless nosuffix | |
2968 | (cond ((file-exists-p (concat file ".elc")) | |
2969 | (setq file (concat file ".elc"))) | |
2970 | ((file-exists-p (concat file ".el")) | |
2971 | (setq file (concat file ".el"))))) | |
2972 | (when must-suffix | |
2973 | ;; The first condition is always true for absolute file names. | |
2974 | ;; Included for safety's sake. | |
2975 | (unless (or (file-name-directory file) | |
2976 | (string-match "\\.elc?\\'" file)) | |
2977 | (tramp-error | |
2978 | v 'file-error | |
2979 | "File `%s' does not include a `.el' or `.elc' suffix" file))) | |
2980 | (unless noerror | |
2981 | (when (not (file-exists-p file)) | |
2982 | (tramp-error v 'file-error "Cannot load nonexistent file `%s'" file))) | |
2983 | (if (not (file-exists-p file)) | |
2984 | nil | |
2985 | (let ((tramp-message-show-message (not nomessage))) | |
7d520089 | 2986 | (tramp-with-progress-reporter v 0 (format "Loading %s" file) |
4a93e698 MA |
2987 | (let ((local-copy (file-local-copy file))) |
2988 | ;; MUST-SUFFIX doesn't exist on XEmacs, so let it default to nil. | |
2989 | (unwind-protect | |
2990 | (load local-copy noerror t t) | |
2991 | (delete-file local-copy))))) | |
2992 | t))) | |
2993 | ||
f5e29b9b MA |
2994 | (defun tramp-handle-shell-command |
2995 | (command &optional output-buffer error-buffer) | |
2996 | "Like `shell-command' for Tramp files." | |
2997 | (let* ((asynchronous (string-match "[ \t]*&[ \t]*\\'" command)) | |
2998 | ;; We cannot use `shell-file-name' and `shell-command-switch', | |
2999 | ;; they are variables of the local host. | |
3000 | (args (append | |
3001 | (cons | |
3002 | (tramp-get-method-parameter | |
3003 | (tramp-file-name-method | |
3004 | (tramp-dissect-file-name default-directory)) | |
3005 | 'tramp-remote-shell) | |
3006 | (tramp-get-method-parameter | |
3007 | (tramp-file-name-method | |
3008 | (tramp-dissect-file-name default-directory)) | |
3009 | 'tramp-remote-shell-args)) | |
3010 | (list (substring command 0 asynchronous)))) | |
3011 | current-buffer-p | |
3012 | (output-buffer | |
3013 | (cond | |
3014 | ((bufferp output-buffer) output-buffer) | |
3015 | ((stringp output-buffer) (get-buffer-create output-buffer)) | |
3016 | (output-buffer | |
3017 | (setq current-buffer-p t) | |
3018 | (current-buffer)) | |
3019 | (t (get-buffer-create | |
3020 | (if asynchronous | |
3021 | "*Async Shell Command*" | |
3022 | "*Shell Command Output*"))))) | |
3023 | (error-buffer | |
3024 | (cond | |
3025 | ((bufferp error-buffer) error-buffer) | |
3026 | ((stringp error-buffer) (get-buffer-create error-buffer)))) | |
3027 | (buffer | |
3028 | (if (and (not asynchronous) error-buffer) | |
3029 | (with-parsed-tramp-file-name default-directory nil | |
3030 | (list output-buffer (tramp-make-tramp-temp-file v))) | |
3031 | output-buffer)) | |
3032 | (p (get-buffer-process output-buffer))) | |
3033 | ||
3034 | ;; Check whether there is another process running. Tramp does not | |
3035 | ;; support 2 (asynchronous) processes in parallel. | |
3036 | (when p | |
3037 | (if (yes-or-no-p "A command is running. Kill it? ") | |
3038 | (ignore-errors (kill-process p)) | |
3039 | (error "Shell command in progress"))) | |
3040 | ||
3041 | (if current-buffer-p | |
3042 | (progn | |
3043 | (barf-if-buffer-read-only) | |
3044 | (push-mark nil t)) | |
3045 | (with-current-buffer output-buffer | |
3046 | (setq buffer-read-only nil) | |
3047 | (erase-buffer))) | |
3048 | ||
3049 | (if (and (not current-buffer-p) (integerp asynchronous)) | |
3050 | (prog1 | |
3051 | ;; Run the process. | |
a7b88dc6 | 3052 | (setq p (apply 'start-file-process "*Async Shell*" buffer args)) |
f5e29b9b MA |
3053 | ;; Display output. |
3054 | (pop-to-buffer output-buffer) | |
3055 | (setq mode-line-process '(":%s")) | |
a7b88dc6 MA |
3056 | (shell-mode) |
3057 | (set-process-sentinel p 'shell-command-sentinel) | |
3058 | (set-process-filter p 'comint-output-filter)) | |
f5e29b9b MA |
3059 | |
3060 | (prog1 | |
3061 | ;; Run the process. | |
3062 | (apply 'process-file (car args) nil buffer nil (cdr args)) | |
3063 | ;; Insert error messages if they were separated. | |
3064 | (when (listp buffer) | |
3065 | (with-current-buffer error-buffer | |
3066 | (insert-file-contents (cadr buffer))) | |
3067 | (delete-file (cadr buffer))) | |
3068 | (if current-buffer-p | |
3069 | ;; This is like exchange-point-and-mark, but doesn't | |
3070 | ;; activate the mark. It is cleaner to avoid activation, | |
3071 | ;; even though the command loop would deactivate the mark | |
3072 | ;; because we inserted text. | |
3073 | (goto-char (prog1 (mark t) | |
3074 | (set-marker (mark-marker) (point) | |
3075 | (current-buffer)))) | |
3076 | ;; There's some output, display it. | |
3077 | (when (with-current-buffer output-buffer (> (point-max) (point-min))) | |
3078 | (if (functionp 'display-message-or-buffer) | |
3079 | (tramp-compat-funcall 'display-message-or-buffer output-buffer) | |
3080 | (pop-to-buffer output-buffer)))))))) | |
3081 | ||
4a93e698 MA |
3082 | (defun tramp-handle-substitute-in-file-name (filename) |
3083 | "Like `substitute-in-file-name' for Tramp files. | |
3084 | \"//\" and \"/~\" substitute only in the local filename part. | |
51aba3f3 | 3085 | If the URL Tramp syntax is chosen, \"//\" as method delimiter and \"/~\" at |
4a93e698 MA |
3086 | beginning of local filename are not substituted." |
3087 | ;; First, we must replace environment variables. | |
3088 | (setq filename (tramp-replace-environment-variables filename)) | |
3089 | (with-parsed-tramp-file-name filename nil | |
3090 | (if (equal tramp-syntax 'url) | |
3091 | ;; We need to check localname only. The other parts cannot contain | |
3092 | ;; "//" or "/~". | |
3093 | (if (and (> (length localname) 1) | |
3094 | (or (string-match "//" localname) | |
3095 | (string-match "/~" localname 1))) | |
3096 | (tramp-run-real-handler 'substitute-in-file-name (list filename)) | |
3097 | (tramp-make-tramp-file-name | |
3098 | (when method (substitute-in-file-name method)) | |
3099 | (when user (substitute-in-file-name user)) | |
3100 | (when host (substitute-in-file-name host)) | |
3101 | (when localname | |
3102 | (tramp-run-real-handler | |
3103 | 'substitute-in-file-name (list localname))))) | |
3104 | ;; Ignore in LOCALNAME everything before "//" or "/~". | |
3105 | (when (and (stringp localname) (string-match ".+?/\\(/\\|~\\)" localname)) | |
3106 | (setq filename | |
3107 | (concat (file-remote-p filename) | |
3108 | (replace-match "\\1" nil nil localname))) | |
3109 | ;; "/m:h:~" does not work for completion. We use "/m:h:~/". | |
3110 | (when (string-match "~$" filename) | |
3111 | (setq filename (concat filename "/")))) | |
3112 | (tramp-run-real-handler 'substitute-in-file-name (list filename))))) | |
3113 | ||
3114 | (defun tramp-handle-unhandled-file-name-directory (filename) | |
3115 | "Like `unhandled-file-name-directory' for Tramp files." | |
3116 | ;; With Emacs 23, we could simply return `nil'. But we must keep it | |
3117 | ;; for backward compatibility. | |
3118 | (expand-file-name "~/")) | |
b88f2d0a | 3119 | |
4a93e698 | 3120 | ;;; Functions for establishing connection: |
fb7933a3 | 3121 | |
ac474af1 KG |
3122 | ;; The following functions are actions to be taken when seeing certain |
3123 | ;; prompts from the remote host. See the variable | |
3124 | ;; `tramp-actions-before-shell' for usage of these functions. | |
3125 | ||
00d6fd04 | 3126 | (defun tramp-action-login (proc vec) |
ac474af1 | 3127 | "Send the login name." |
00d6fd04 | 3128 | (when (not (stringp tramp-current-user)) |
a5509865 MA |
3129 | (setq tramp-current-user |
3130 | (with-connection-property vec "login-as" | |
3131 | (save-window-excursion | |
3132 | (let ((enable-recursive-minibuffers t)) | |
3133 | (pop-to-buffer (tramp-get-connection-buffer vec)) | |
3134 | (read-string (match-string 0))))))) | |
00d6fd04 MA |
3135 | (with-current-buffer (tramp-get-connection-buffer vec) |
3136 | (tramp-message vec 6 "\n%s" (buffer-string))) | |
a5509865 | 3137 | (tramp-message vec 3 "Sending login name `%s'" tramp-current-user) |
4cb0aa75 | 3138 | (tramp-send-string vec (concat tramp-current-user tramp-local-end-of-line))) |
00d6fd04 MA |
3139 | |
3140 | (defun tramp-action-password (proc vec) | |
ac474af1 | 3141 | "Query the user for a password." |
70c11b0b | 3142 | (with-current-buffer (process-buffer proc) |
8c8fc5df MA |
3143 | (let ((enable-recursive-minibuffers t)) |
3144 | (tramp-check-for-regexp proc tramp-password-prompt-regexp) | |
3145 | (tramp-message vec 3 "Sending %s" (match-string 1)) | |
2fe4b125 MA |
3146 | ;; We don't call `tramp-send-string' in order to hide the |
3147 | ;; password from the debug buffer. | |
3148 | (process-send-string | |
3149 | proc (concat (tramp-read-passwd proc) tramp-local-end-of-line)) | |
8c8fc5df MA |
3150 | ;; Hide password prompt. |
3151 | (narrow-to-region (point-max) (point-max))))) | |
00d6fd04 MA |
3152 | |
3153 | (defun tramp-action-succeed (proc vec) | |
ac474af1 | 3154 | "Signal success in finding shell prompt." |
ac474af1 KG |
3155 | (throw 'tramp-action 'ok)) |
3156 | ||
00d6fd04 | 3157 | (defun tramp-action-permission-denied (proc vec) |
ac474af1 | 3158 | "Signal permission denied." |
00d6fd04 | 3159 | (kill-process proc) |
ac474af1 KG |
3160 | (throw 'tramp-action 'permission-denied)) |
3161 | ||
00d6fd04 | 3162 | (defun tramp-action-yesno (proc vec) |
3cdaec13 KG |
3163 | "Ask the user for confirmation using `yes-or-no-p'. |
3164 | Send \"yes\" to remote process on confirmation, abort otherwise. | |
3165 | See also `tramp-action-yn'." | |
ac474af1 | 3166 | (save-window-excursion |
00d6fd04 MA |
3167 | (let ((enable-recursive-minibuffers t)) |
3168 | (save-match-data (pop-to-buffer (tramp-get-connection-buffer vec))) | |
3169 | (unless (yes-or-no-p (match-string 0)) | |
3170 | (kill-process proc) | |
3171 | (throw 'tramp-action 'permission-denied)) | |
3172 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3173 | (tramp-message vec 6 "\n%s" (buffer-string))) | |
4cb0aa75 | 3174 | (tramp-send-string vec (concat "yes" tramp-local-end-of-line))))) |
00d6fd04 MA |
3175 | |
3176 | (defun tramp-action-yn (proc vec) | |
3cdaec13 KG |
3177 | "Ask the user for confirmation using `y-or-n-p'. |
3178 | Send \"y\" to remote process on confirmation, abort otherwise. | |
3179 | See also `tramp-action-yesno'." | |
3180 | (save-window-excursion | |
00d6fd04 MA |
3181 | (let ((enable-recursive-minibuffers t)) |
3182 | (save-match-data (pop-to-buffer (tramp-get-connection-buffer vec))) | |
3183 | (unless (y-or-n-p (match-string 0)) | |
3184 | (kill-process proc) | |
3185 | (throw 'tramp-action 'permission-denied)) | |
3186 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3187 | (tramp-message vec 6 "\n%s" (buffer-string))) | |
4cb0aa75 | 3188 | (tramp-send-string vec (concat "y" tramp-local-end-of-line))))) |
00d6fd04 MA |
3189 | |
3190 | (defun tramp-action-terminal (proc vec) | |
487f4fb7 KG |
3191 | "Tell the remote host which terminal type to use. |
3192 | The terminal type can be configured with `tramp-terminal-type'." | |
00d6fd04 | 3193 | (tramp-message vec 5 "Setting `%s' as terminal type." tramp-terminal-type) |
7e780ff1 MA |
3194 | (with-current-buffer (tramp-get-connection-buffer vec) |
3195 | (tramp-message vec 6 "\n%s" (buffer-string))) | |
4cb0aa75 | 3196 | (tramp-send-string vec (concat tramp-terminal-type tramp-local-end-of-line))) |
487f4fb7 | 3197 | |
00d6fd04 | 3198 | (defun tramp-action-process-alive (proc vec) |
a94d821f | 3199 | "Check, whether a process has finished." |
00d6fd04 | 3200 | (unless (memq (process-status proc) '(run open)) |
19a87064 MA |
3201 | (throw 'tramp-action 'process-died))) |
3202 | ||
00d6fd04 | 3203 | (defun tramp-action-out-of-band (proc vec) |
a94d821f | 3204 | "Check, whether an out-of-band copy has finished." |
00d6fd04 MA |
3205 | (cond ((and (memq (process-status proc) '(stop exit)) |
3206 | (zerop (process-exit-status proc))) | |
3207 | (tramp-message vec 3 "Process has finished.") | |
38c65fca | 3208 | (throw 'tramp-action 'ok)) |
00d6fd04 MA |
3209 | ((or (and (memq (process-status proc) '(stop exit)) |
3210 | (not (zerop (process-exit-status proc)))) | |
3211 | (memq (process-status proc) '(signal))) | |
01917a18 MA |
3212 | ;; `scp' could have copied correctly, but set modes could have failed. |
3213 | ;; This can be ignored. | |
00d6fd04 MA |
3214 | (with-current-buffer (process-buffer proc) |
3215 | (goto-char (point-min)) | |
3216 | (if (re-search-forward tramp-operation-not-permitted-regexp nil t) | |
3217 | (progn | |
3218 | (tramp-message vec 5 "'set mode' error ignored.") | |
3219 | (tramp-message vec 3 "Process has finished.") | |
3220 | (throw 'tramp-action 'ok)) | |
3221 | (tramp-message vec 3 "Process has died.") | |
3222 | (throw 'tramp-action 'process-died)))) | |
38c65fca KG |
3223 | (t nil))) |
3224 | ||
4a93e698 | 3225 | ;;; Functions for processing the actions: |
ac474af1 | 3226 | |
00d6fd04 | 3227 | (defun tramp-process-one-action (proc vec actions) |
ac474af1 | 3228 | "Wait for output from the shell and perform one action." |
00d6fd04 | 3229 | (let (found todo item pattern action) |
e6466697 | 3230 | (while (not found) |
00d6fd04 MA |
3231 | ;; Reread output once all actions have been performed. |
3232 | ;; Obviously, the output was not complete. | |
3233 | (tramp-accept-process-output proc 1) | |
e6466697 MA |
3234 | (setq todo actions) |
3235 | (while todo | |
e6466697 | 3236 | (setq item (pop todo)) |
95d610cb | 3237 | (setq pattern (format "\\(%s\\)\\'" (symbol-value (nth 0 item)))) |
e6466697 | 3238 | (setq action (nth 1 item)) |
00d6fd04 MA |
3239 | (tramp-message |
3240 | vec 5 "Looking for regexp \"%s\" from remote shell" pattern) | |
3241 | (when (tramp-check-for-regexp proc pattern) | |
3242 | (tramp-message vec 5 "Call `%s'" (symbol-name action)) | |
3243 | (setq found (funcall action proc vec))))) | |
e6466697 MA |
3244 | found)) |
3245 | ||
bfd31217 MA |
3246 | (defun tramp-process-actions (proc vec pos actions &optional timeout) |
3247 | "Perform ACTIONS until success or TIMEOUT. | |
3248 | PROC and VEC indicate the remote connection to be used. POS, if | |
3249 | set, is the starting point of the region to be deleted in the | |
3250 | connection buffer." | |
9e021389 | 3251 | ;; Preserve message for `progress-reporter'. |
6139f995 | 3252 | (tramp-compat-with-temp-message "" |
2fe4b125 | 3253 | ;; Enable `auth-source' and `password-cache'. We must use |
2fb0a219 MA |
3254 | ;; tramp-current-* variables in case we have several hops. |
3255 | (tramp-set-connection-property | |
3256 | (tramp-dissect-file-name | |
3257 | (tramp-make-tramp-file-name | |
3258 | tramp-current-method tramp-current-user tramp-current-host "")) | |
3259 | "first-password-request" t) | |
158d5945 MA |
3260 | (save-restriction |
3261 | (let (exit) | |
3262 | (while (not exit) | |
3263 | (tramp-message proc 3 "Waiting for prompts from remote shell") | |
3264 | (setq exit | |
3265 | (catch 'tramp-action | |
3266 | (if timeout | |
3267 | (with-timeout (timeout) | |
3268 | (tramp-process-one-action proc vec actions)) | |
3269 | (tramp-process-one-action proc vec actions))))) | |
3270 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3271 | (widen) | |
3272 | (tramp-message vec 6 "\n%s" (buffer-string))) | |
3273 | (unless (eq exit 'ok) | |
3274 | (tramp-clear-passwd vec) | |
3275 | (tramp-error-with-buffer | |
3276 | nil vec 'file-error | |
3277 | (cond | |
3278 | ((eq exit 'permission-denied) "Permission denied") | |
3279 | ((eq exit 'process-died) "Process died") | |
bfd31217 MA |
3280 | (t "Login failed")))) |
3281 | (when (numberp pos) | |
3282 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3283 | (let (buffer-read-only) (delete-region pos (point))))))))) | |
fb7933a3 | 3284 | |
4a93e698 | 3285 | :;; Utility functions: |
fb7933a3 | 3286 | |
00d6fd04 | 3287 | (defun tramp-accept-process-output (&optional proc timeout timeout-msecs) |
d2a2c17f MA |
3288 | "Like `accept-process-output' for Tramp processes. |
3289 | This is needed in order to hide `last-coding-system-used', which is set | |
3290 | for process communication also." | |
00d6fd04 MA |
3291 | (with-current-buffer (process-buffer proc) |
3292 | (tramp-message proc 10 "%s %s" proc (process-status proc)) | |
3293 | (let (buffer-read-only last-coding-system-used) | |
3294 | ;; Under Windows XP, accept-process-output doesn't return | |
3295 | ;; sometimes. So we add an additional timeout. | |
3296 | (with-timeout ((or timeout 1)) | |
fbbcaf1b MA |
3297 | (if (featurep 'xemacs) |
3298 | (accept-process-output proc timeout timeout-msecs) | |
3299 | (accept-process-output proc timeout timeout-msecs (and proc t))))) | |
00d6fd04 MA |
3300 | (tramp-message proc 10 "\n%s" (buffer-string)))) |
3301 | ||
3302 | (defun tramp-check-for-regexp (proc regexp) | |
a94d821f | 3303 | "Check, whether REGEXP is contained in process buffer of PROC. |
00d6fd04 MA |
3304 | Erase echoed commands if exists." |
3305 | (with-current-buffer (process-buffer proc) | |
3306 | (goto-char (point-min)) | |
674da028 | 3307 | |
00d6fd04 MA |
3308 | ;; Check whether we need to remove echo output. |
3309 | (when (and (tramp-get-connection-property proc "check-remote-echo" nil) | |
3310 | (re-search-forward tramp-echoed-echo-mark-regexp nil t)) | |
3311 | (let ((begin (match-beginning 0))) | |
3312 | (when (re-search-forward tramp-echoed-echo-mark-regexp nil t) | |
3313 | ;; Discard echo from remote output. | |
3314 | (tramp-set-connection-property proc "check-remote-echo" nil) | |
3315 | (tramp-message proc 5 "echo-mark found") | |
b533bc97 | 3316 | (forward-line 1) |
00d6fd04 MA |
3317 | (delete-region begin (point)) |
3318 | (goto-char (point-min))))) | |
674da028 | 3319 | |
68712eb6 MA |
3320 | (when (or (not (tramp-get-connection-property proc "check-remote-echo" nil)) |
3321 | ;; Sometimes, the echo string is suppressed on the remote side. | |
3322 | (not (string-equal | |
0d5852cf MA |
3323 | (tramp-compat-funcall |
3324 | 'substring-no-properties tramp-echo-mark-marker | |
68712eb6 | 3325 | 0 (min tramp-echo-mark-marker-length (1- (point-max)))) |
0d5852cf MA |
3326 | (tramp-compat-funcall |
3327 | 'buffer-substring-no-properties | |
68712eb6 | 3328 | 1 (min (1+ tramp-echo-mark-marker-length) (point-max)))))) |
70c11b0b | 3329 | ;; No echo to be handled, now we can look for the regexp. |
2fe4b125 MA |
3330 | ;; Sometimes, lines are much to long, and we run into a "Stack |
3331 | ;; overflow in regexp matcher". For example, //DIRED// lines of | |
3332 | ;; directory listings with some thousand files. Therefore, we | |
3333 | ;; look from the end. | |
046e38ce | 3334 | (goto-char (point-max)) |
2fe4b125 | 3335 | (ignore-errors (re-search-backward regexp nil t))))) |
d2a2c17f | 3336 | |
fb7933a3 KG |
3337 | (defun tramp-wait-for-regexp (proc timeout regexp) |
3338 | "Wait for a REGEXP to appear from process PROC within TIMEOUT seconds. | |
3339 | Expects the output of PROC to be sent to the current buffer. Returns | |
3340 | the string that matched, or nil. Waits indefinitely if TIMEOUT is | |
3341 | nil." | |
00d6fd04 MA |
3342 | (with-current-buffer (process-buffer proc) |
3343 | (let ((found (tramp-check-for-regexp proc regexp)) | |
3344 | (start-time (current-time))) | |
3345 | (cond (timeout | |
3346 | ;; Work around a bug in XEmacs 21, where the timeout | |
3347 | ;; expires faster than it should. This degenerates | |
3348 | ;; to polling for buggy XEmacsen, but oh, well. | |
3349 | (while (and (not found) | |
3350 | (< (tramp-time-diff (current-time) start-time) | |
3351 | timeout)) | |
3352 | (with-timeout (timeout) | |
3353 | (while (not found) | |
3354 | (tramp-accept-process-output proc 1) | |
3355 | (unless (memq (process-status proc) '(run open)) | |
3356 | (tramp-error-with-buffer | |
3357 | nil proc 'file-error "Process has died")) | |
3358 | (setq found (tramp-check-for-regexp proc regexp)))))) | |
3359 | (t | |
3360 | (while (not found) | |
3361 | (tramp-accept-process-output proc 1) | |
3362 | (unless (memq (process-status proc) '(run open)) | |
3363 | (tramp-error-with-buffer | |
3364 | nil proc 'file-error "Process has died")) | |
3365 | (setq found (tramp-check-for-regexp proc regexp))))) | |
3366 | (tramp-message proc 6 "\n%s" (buffer-string)) | |
fb7933a3 | 3367 | (when (not found) |
00d6fd04 MA |
3368 | (if timeout |
3369 | (tramp-error | |
3370 | proc 'file-error "[[Regexp `%s' not found in %d secs]]" | |
3371 | regexp timeout) | |
3372 | (tramp-error proc 'file-error "[[Regexp `%s' not found]]" regexp))) | |
3373 | found))) | |
fb7933a3 | 3374 | |
7432277c KG |
3375 | ;; It seems that Tru64 Unix does not like it if long strings are sent |
3376 | ;; to it in one go. (This happens when sending the Perl | |
3377 | ;; `file-attributes' implementation, for instance.) Therefore, we | |
27e813fe | 3378 | ;; have this function which sends the string in chunks. |
00d6fd04 MA |
3379 | (defun tramp-send-string (vec string) |
3380 | "Send the STRING via connection VEC. | |
7432277c KG |
3381 | |
3382 | The STRING is expected to use Unix line-endings, but the lines sent to | |
3383 | the remote host use line-endings as defined in the variable | |
00d6fd04 MA |
3384 | `tramp-rsh-end-of-line'. The communication buffer is erased before sending." |
3385 | (let* ((p (tramp-get-connection-process vec)) | |
3386 | (chunksize (tramp-get-connection-property p "chunksize" nil))) | |
3387 | (unless p | |
3388 | (tramp-error | |
3389 | vec 'file-error "Can't send string to remote host -- not logged in")) | |
3390 | (tramp-set-connection-property p "last-cmd-time" (current-time)) | |
3391 | (tramp-message vec 10 "%s" string) | |
3392 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3393 | ;; Clean up the buffer. We cannot call `erase-buffer' because | |
3394 | ;; narrowing might be in effect. | |
3395 | (let (buffer-read-only) (delete-region (point-min) (point-max))) | |
27e813fe | 3396 | ;; Replace "\n" by `tramp-rsh-end-of-line'. |
00d6fd04 MA |
3397 | (setq string |
3398 | (mapconcat 'identity | |
70c11b0b | 3399 | (tramp-compat-split-string string "\n") |
00d6fd04 MA |
3400 | tramp-rsh-end-of-line)) |
3401 | (unless (or (string= string "") | |
3402 | (string-equal (substring string -1) tramp-rsh-end-of-line)) | |
3403 | (setq string (concat string tramp-rsh-end-of-line))) | |
27e813fe | 3404 | ;; Send the string. |
00d6fd04 MA |
3405 | (if (and chunksize (not (zerop chunksize))) |
3406 | (let ((pos 0) | |
3407 | (end (length string))) | |
3408 | (while (< pos end) | |
3409 | (tramp-message | |
3410 | vec 10 "Sending chunk from %s to %s" | |
3411 | pos (min (+ pos chunksize) end)) | |
3412 | (process-send-string | |
3413 | p (substring string pos (min (+ pos chunksize) end))) | |
3414 | (setq pos (+ pos chunksize)))) | |
3415 | (process-send-string p string))))) | |
fb7933a3 | 3416 | |
ce3f516f | 3417 | (defun tramp-get-inode (vec) |
00d6fd04 MA |
3418 | "Returns the virtual inode number. |
3419 | If it doesn't exist, generate a new one." | |
530739c9 MA |
3420 | (with-file-property vec (tramp-file-name-localname vec) "inode" |
3421 | (setq tramp-inodes (1+ tramp-inodes)))) | |
00d6fd04 MA |
3422 | |
3423 | (defun tramp-get-device (vec) | |
c82c5727 LH |
3424 | "Returns the virtual device number. |
3425 | If it doesn't exist, generate a new one." | |
530739c9 MA |
3426 | (with-connection-property (tramp-get-connection-process vec) "device" |
3427 | (cons -1 (setq tramp-devices (1+ tramp-devices))))) | |
fb7933a3 | 3428 | |
00d6fd04 | 3429 | (defun tramp-equal-remote (file1 file2) |
a94d821f | 3430 | "Check, whether the remote parts of FILE1 and FILE2 are identical. |
00d6fd04 MA |
3431 | The check depends on method, user and host name of the files. If |
3432 | one of the components is missing, the default values are used. | |
3433 | The local file name parts of FILE1 and FILE2 are not taken into | |
3434 | account. | |
fb7933a3 | 3435 | |
00d6fd04 MA |
3436 | Example: |
3437 | ||
3438 | (tramp-equal-remote \"/ssh::/etc\" \"/<your host name>:/home\") | |
3439 | ||
3440 | would yield `t'. On the other hand, the following check results in nil: | |
3441 | ||
3442 | (tramp-equal-remote \"/sudo::/etc\" \"/su::/etc\")" | |
9e6ab520 MA |
3443 | (and (stringp (file-remote-p file1)) |
3444 | (stringp (file-remote-p file2)) | |
94be87e8 | 3445 | (string-equal (file-remote-p file1) (file-remote-p file2)))) |
00d6fd04 | 3446 | |
2fe4b125 | 3447 | ;;;###tramp-autoload |
4a93e698 MA |
3448 | (defun tramp-mode-string-to-int (mode-string) |
3449 | "Converts a ten-letter `drwxrwxrwx'-style mode string into mode bits." | |
3450 | (let* (case-fold-search | |
3451 | (mode-chars (string-to-vector mode-string)) | |
3452 | (owner-read (aref mode-chars 1)) | |
3453 | (owner-write (aref mode-chars 2)) | |
3454 | (owner-execute-or-setid (aref mode-chars 3)) | |
3455 | (group-read (aref mode-chars 4)) | |
3456 | (group-write (aref mode-chars 5)) | |
3457 | (group-execute-or-setid (aref mode-chars 6)) | |
3458 | (other-read (aref mode-chars 7)) | |
3459 | (other-write (aref mode-chars 8)) | |
3460 | (other-execute-or-sticky (aref mode-chars 9))) | |
3461 | (save-match-data | |
3462 | (logior | |
3463 | (cond | |
3464 | ((char-equal owner-read ?r) (tramp-compat-octal-to-decimal "00400")) | |
3465 | ((char-equal owner-read ?-) 0) | |
3466 | (t (error "Second char `%c' must be one of `r-'" owner-read))) | |
3467 | (cond | |
3468 | ((char-equal owner-write ?w) (tramp-compat-octal-to-decimal "00200")) | |
3469 | ((char-equal owner-write ?-) 0) | |
3470 | (t (error "Third char `%c' must be one of `w-'" owner-write))) | |
3471 | (cond | |
3472 | ((char-equal owner-execute-or-setid ?x) | |
3473 | (tramp-compat-octal-to-decimal "00100")) | |
3474 | ((char-equal owner-execute-or-setid ?S) | |
3475 | (tramp-compat-octal-to-decimal "04000")) | |
3476 | ((char-equal owner-execute-or-setid ?s) | |
3477 | (tramp-compat-octal-to-decimal "04100")) | |
3478 | ((char-equal owner-execute-or-setid ?-) 0) | |
3479 | (t (error "Fourth char `%c' must be one of `xsS-'" | |
3480 | owner-execute-or-setid))) | |
3481 | (cond | |
3482 | ((char-equal group-read ?r) (tramp-compat-octal-to-decimal "00040")) | |
3483 | ((char-equal group-read ?-) 0) | |
3484 | (t (error "Fifth char `%c' must be one of `r-'" group-read))) | |
3485 | (cond | |
3486 | ((char-equal group-write ?w) (tramp-compat-octal-to-decimal "00020")) | |
3487 | ((char-equal group-write ?-) 0) | |
3488 | (t (error "Sixth char `%c' must be one of `w-'" group-write))) | |
3489 | (cond | |
3490 | ((char-equal group-execute-or-setid ?x) | |
3491 | (tramp-compat-octal-to-decimal "00010")) | |
3492 | ((char-equal group-execute-or-setid ?S) | |
3493 | (tramp-compat-octal-to-decimal "02000")) | |
3494 | ((char-equal group-execute-or-setid ?s) | |
3495 | (tramp-compat-octal-to-decimal "02010")) | |
3496 | ((char-equal group-execute-or-setid ?-) 0) | |
3497 | (t (error "Seventh char `%c' must be one of `xsS-'" | |
3498 | group-execute-or-setid))) | |
3499 | (cond | |
3500 | ((char-equal other-read ?r) | |
3501 | (tramp-compat-octal-to-decimal "00004")) | |
3502 | ((char-equal other-read ?-) 0) | |
3503 | (t (error "Eighth char `%c' must be one of `r-'" other-read))) | |
3504 | (cond | |
3505 | ((char-equal other-write ?w) (tramp-compat-octal-to-decimal "00002")) | |
3506 | ((char-equal other-write ?-) 0) | |
6196cffe | 3507 | (t (error "Ninth char `%c' must be one of `w-'" other-write))) |
4a93e698 MA |
3508 | (cond |
3509 | ((char-equal other-execute-or-sticky ?x) | |
3510 | (tramp-compat-octal-to-decimal "00001")) | |
3511 | ((char-equal other-execute-or-sticky ?T) | |
3512 | (tramp-compat-octal-to-decimal "01000")) | |
3513 | ((char-equal other-execute-or-sticky ?t) | |
3514 | (tramp-compat-octal-to-decimal "01001")) | |
3515 | ((char-equal other-execute-or-sticky ?-) 0) | |
3516 | (t (error "Tenth char `%c' must be one of `xtT-'" | |
3517 | other-execute-or-sticky))))))) | |
3518 | ||
2fe4b125 | 3519 | ;;;###tramp-autoload |
4a93e698 MA |
3520 | (defun tramp-local-host-p (vec) |
3521 | "Return t if this points to the local host, nil otherwise." | |
3522 | ;; We cannot use `tramp-file-name-real-host'. A port is an | |
3523 | ;; indication for an ssh tunnel or alike. | |
3524 | (let ((host (tramp-file-name-host vec))) | |
3525 | (and | |
3526 | (stringp host) | |
3527 | (string-match tramp-local-host-regexp host) | |
3528 | ;; The method shall be applied to one of the shell file name | |
3529 | ;; handler. `tramp-local-host-p' is also called for "smb" and | |
3530 | ;; alike, where it must fail. | |
3531 | (tramp-get-method-parameter | |
3532 | (tramp-file-name-method vec) 'tramp-login-program) | |
3533 | ;; The local temp directory must be writable for the other user. | |
3534 | (file-writable-p | |
3535 | (tramp-make-tramp-file-name | |
3536 | (tramp-file-name-method vec) | |
3537 | (tramp-file-name-user vec) | |
3538 | host | |
3539 | (tramp-compat-temporary-file-directory))) | |
3540 | ;; On some systems, chown runs only for root. | |
3541 | (or (zerop (user-uid)) | |
3542 | ;; This is defined in tramp-sh.el. Let's assume this is | |
3543 | ;; loaded already. | |
3544 | (zerop (tramp-compat-funcall 'tramp-get-remote-uid vec 'integer)))))) | |
3545 | ||
710dec63 MA |
3546 | (defun tramp-get-remote-tmpdir (vec) |
3547 | "Return directory for temporary files on the remote host identified by VEC." | |
3548 | (with-connection-property vec "tmpdir" | |
3549 | (let ((dir (tramp-make-tramp-file-name | |
3550 | (tramp-file-name-method vec) | |
3551 | (tramp-file-name-user vec) | |
3552 | (tramp-file-name-host vec) | |
3553 | (or | |
3554 | (tramp-get-method-parameter | |
3555 | (tramp-file-name-method vec) 'tramp-tmpdir) | |
3556 | "/tmp")))) | |
3557 | (if (and (file-directory-p dir) (file-writable-p dir)) | |
3558 | dir | |
3559 | (tramp-error vec 'file-error "Directory %s not accessible" dir))))) | |
3560 | ||
2fe4b125 | 3561 | ;;;###tramp-autoload |
4a93e698 MA |
3562 | (defun tramp-make-tramp-temp-file (vec) |
3563 | "Create a temporary file on the remote host identified by VEC. | |
3564 | Return the local name of the temporary file." | |
710dec63 MA |
3565 | (let ((prefix (expand-file-name |
3566 | tramp-temp-name-prefix (tramp-get-remote-tmpdir vec))) | |
4a93e698 MA |
3567 | result) |
3568 | (while (not result) | |
3569 | ;; `make-temp-file' would be the natural choice for | |
3570 | ;; implementation. But it calls `write-region' internally, | |
3571 | ;; which also needs a temporary file - we would end in an | |
3572 | ;; infinite loop. | |
3573 | (setq result (make-temp-name prefix)) | |
3574 | (if (file-exists-p result) | |
3575 | (setq result nil) | |
3576 | ;; This creates the file by side effect. | |
3577 | (set-file-times result) | |
3578 | (set-file-modes result (tramp-compat-octal-to-decimal "0700")))) | |
3579 | ||
3580 | ;; Return the local part. | |
3581 | (with-parsed-tramp-file-name result nil localname))) | |
fb7933a3 | 3582 | |
4a93e698 MA |
3583 | (defun tramp-delete-temp-file-function () |
3584 | "Remove temporary files related to current buffer." | |
3585 | (when (stringp tramp-temp-buffer-file-name) | |
3586 | (ignore-errors (delete-file tramp-temp-buffer-file-name)))) | |
3587 | ||
3588 | (add-hook 'kill-buffer-hook 'tramp-delete-temp-file-function) | |
f5e29b9b | 3589 | (add-hook 'tramp-unload-hook |
4a93e698 MA |
3590 | (lambda () |
3591 | (remove-hook 'kill-buffer-hook | |
3592 | 'tramp-delete-temp-file-function))) | |
3593 | ||
3594 | ;;; Auto saving to a special directory: | |
c1105d05 MA |
3595 | |
3596 | (unless (tramp-exists-file-name-handler 'make-auto-save-file-name) | |
3597 | (defadvice make-auto-save-file-name | |
3598 | (around tramp-advice-make-auto-save-file-name () activate) | |
03c1ad43 | 3599 | "Invoke `tramp-*-handle-make-auto-save-file-name' for Tramp files." |
b533bc97 | 3600 | (if (tramp-tramp-file-p (buffer-file-name)) |
7f49fe46 MA |
3601 | ;; We cannot call `tramp-handle-make-auto-save-file-name' |
3602 | ;; directly, because this would bypass the locking mechanism. | |
3603 | (setq ad-return-value | |
3604 | (tramp-file-name-handler 'make-auto-save-file-name)) | |
a69c01a0 | 3605 | ad-do-it)) |
191bb792 MA |
3606 | (add-hook |
3607 | 'tramp-unload-hook | |
3608 | (lambda () | |
3609 | (ad-remove-advice | |
3610 | 'make-auto-save-file-name | |
d7ec1df7 MA |
3611 | 'around 'tramp-advice-make-auto-save-file-name) |
3612 | (ad-activate 'make-auto-save-file-name)))) | |
fb7933a3 | 3613 | |
b533bc97 MA |
3614 | ;; In XEmacs < 21.5, autosaved remote files have permission 0666 minus |
3615 | ;; umask. This is a security threat. | |
414da5ab MA |
3616 | |
3617 | (defun tramp-set-auto-save-file-modes () | |
3618 | "Set permissions of autosaved remote files to the original permissions." | |
3619 | (let ((bfn (buffer-file-name))) | |
b533bc97 | 3620 | (when (and (tramp-tramp-file-p bfn) |
b50dd0d2 | 3621 | (buffer-modified-p) |
414da5ab | 3622 | (stringp buffer-auto-save-file-name) |
340b8d4f MA |
3623 | (not (equal bfn buffer-auto-save-file-name))) |
3624 | (unless (file-exists-p buffer-auto-save-file-name) | |
3625 | (write-region "" nil buffer-auto-save-file-name)) | |
3626 | ;; Permissions should be set always, because there might be an old | |
3627 | ;; auto-saved file belonging to another original file. This could | |
3628 | ;; be a security threat. | |
0f34aa77 MA |
3629 | (set-file-modes |
3630 | buffer-auto-save-file-name | |
3631 | (or (file-modes bfn) (tramp-compat-octal-to-decimal "0600")))))) | |
414da5ab | 3632 | |
b533bc97 MA |
3633 | (unless (and (featurep 'xemacs) |
3634 | (= emacs-major-version 21) | |
3635 | (> emacs-minor-version 4)) | |
a69c01a0 MA |
3636 | (add-hook 'auto-save-hook 'tramp-set-auto-save-file-modes) |
3637 | (add-hook 'tramp-unload-hook | |
aa485f7c MA |
3638 | (lambda () |
3639 | (remove-hook 'auto-save-hook 'tramp-set-auto-save-file-modes)))) | |
414da5ab | 3640 | |
fb7933a3 KG |
3641 | (defun tramp-subst-strs-in-string (alist string) |
3642 | "Replace all occurrences of the string FROM with TO in STRING. | |
3643 | ALIST is of the form ((FROM . TO) ...)." | |
3644 | (save-match-data | |
3645 | (while alist | |
3646 | (let* ((pr (car alist)) | |
3647 | (from (car pr)) | |
3648 | (to (cdr pr))) | |
3649 | (while (string-match (regexp-quote from) string) | |
3650 | (setq string (replace-match to t t string))) | |
3651 | (setq alist (cdr alist)))) | |
3652 | string)) | |
3653 | ||
4a93e698 | 3654 | ;;; Compatibility functions section: |
fb7933a3 | 3655 | |
2fe4b125 | 3656 | ;;;###tramp-autoload |
00d6fd04 | 3657 | (defun tramp-read-passwd (proc &optional prompt) |
fb7933a3 | 3658 | "Read a password from user (compat function). |
5615d63f | 3659 | Consults the auth-source package. |
5ec2cc41 | 3660 | Invokes `password-read' if available, `read-passwd' else." |
00d6fd04 MA |
3661 | (let* ((key (tramp-make-tramp-file-name |
3662 | tramp-current-method tramp-current-user | |
3663 | tramp-current-host "")) | |
3664 | (pw-prompt | |
3665 | (or prompt | |
3666 | (with-current-buffer (process-buffer proc) | |
3667 | (tramp-check-for-regexp proc tramp-password-prompt-regexp) | |
563790b6 TZ |
3668 | (format "%s for %s " (capitalize (match-string 1)) key)))) |
3669 | auth-info auth-passwd) | |
7540f029 MA |
3670 | (with-parsed-tramp-file-name key nil |
3671 | (prog1 | |
3672 | (or | |
7a6ebb1a MA |
3673 | ;; See if auth-sources contains something useful, if it's |
3674 | ;; bound. `auth-source-user-or-password' is an obsoleted | |
3675 | ;; function, it has been replaced by `auth-source-search'. | |
7540f029 MA |
3676 | (and (boundp 'auth-sources) |
3677 | (tramp-get-connection-property v "first-password-request" nil) | |
3678 | ;; Try with Tramp's current method. | |
563790b6 | 3679 | (if (fboundp 'auth-source-search) |
7a6ebb1a | 3680 | (setq auth-info |
2fb0a219 MA |
3681 | (tramp-compat-funcall |
3682 | 'auth-source-search | |
3683 | :max 1 | |
3684 | :user (or tramp-current-user t) | |
3685 | :host tramp-current-host | |
3686 | :port tramp-current-method) | |
3687 | auth-passwd (plist-get (nth 0 auth-info) :secret) | |
3688 | auth-passwd (if (functionp auth-passwd) | |
3689 | (funcall auth-passwd) | |
3690 | auth-passwd)) | |
563790b6 TZ |
3691 | (tramp-compat-funcall |
3692 | 'auth-source-user-or-password | |
3693 | "password" tramp-current-host tramp-current-method))) | |
7540f029 MA |
3694 | ;; Try the password cache. |
3695 | (when (functionp 'password-read) | |
3696 | (unless (tramp-get-connection-property | |
3697 | v "first-password-request" nil) | |
0d5852cf | 3698 | (tramp-compat-funcall 'password-cache-remove key)) |
7540f029 | 3699 | (let ((password |
0d5852cf MA |
3700 | (tramp-compat-funcall 'password-read pw-prompt key))) |
3701 | (tramp-compat-funcall 'password-cache-add key password) | |
7540f029 MA |
3702 | password)) |
3703 | ;; Else, get the password interactively. | |
3704 | (read-passwd pw-prompt)) | |
3705 | (tramp-set-connection-property v "first-password-request" nil))))) | |
00d6fd04 | 3706 | |
2fe4b125 | 3707 | ;;;###tramp-autoload |
9c13938d MA |
3708 | (defun tramp-clear-passwd (vec) |
3709 | "Clear password cache for connection related to VEC." | |
0d5852cf MA |
3710 | (tramp-compat-funcall |
3711 | 'password-cache-remove | |
3712 | (tramp-make-tramp-file-name | |
3713 | (tramp-file-name-method vec) | |
3714 | (tramp-file-name-user vec) | |
3715 | (tramp-file-name-host vec) | |
3716 | ""))) | |
00d6fd04 MA |
3717 | |
3718 | ;; Snarfed code from time-date.el and parse-time.el | |
3719 | ||
3720 | (defconst tramp-half-a-year '(241 17024) | |
3721 | "Evaluated by \"(days-to-time 183)\".") | |
3722 | ||
3723 | (defconst tramp-parse-time-months | |
3724 | '(("jan" . 1) ("feb" . 2) ("mar" . 3) | |
3725 | ("apr" . 4) ("may" . 5) ("jun" . 6) | |
3726 | ("jul" . 7) ("aug" . 8) ("sep" . 9) | |
3727 | ("oct" . 10) ("nov" . 11) ("dec" . 12)) | |
3728 | "Alist mapping month names to integers.") | |
3729 | ||
2fe4b125 | 3730 | ;;;###tramp-autoload |
00d6fd04 MA |
3731 | (defun tramp-time-less-p (t1 t2) |
3732 | "Say whether time value T1 is less than time value T2." | |
3733 | (unless t1 (setq t1 '(0 0))) | |
3734 | (unless t2 (setq t2 '(0 0))) | |
3735 | (or (< (car t1) (car t2)) | |
3736 | (and (= (car t1) (car t2)) | |
3737 | (< (nth 1 t1) (nth 1 t2))))) | |
3738 | ||
3739 | (defun tramp-time-subtract (t1 t2) | |
3740 | "Subtract two time values. | |
3741 | Return the difference in the format of a time value." | |
3742 | (unless t1 (setq t1 '(0 0))) | |
3743 | (unless t2 (setq t2 '(0 0))) | |
3744 | (let ((borrow (< (cadr t1) (cadr t2)))) | |
3745 | (list (- (car t1) (car t2) (if borrow 1 0)) | |
3746 | (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2))))) | |
fb7933a3 | 3747 | |
2fe4b125 | 3748 | ;;;###tramp-autoload |
fb7933a3 KG |
3749 | (defun tramp-time-diff (t1 t2) |
3750 | "Return the difference between the two times, in seconds. | |
1a762140 | 3751 | T1 and T2 are time values (as returned by `current-time' for example)." |
ea9d1443 KG |
3752 | (cond ((and (fboundp 'subtract-time) |
3753 | (fboundp 'float-time)) | |
0d5852cf MA |
3754 | (tramp-compat-funcall |
3755 | 'float-time (tramp-compat-funcall 'subtract-time t1 t2))) | |
ea9d1443 KG |
3756 | ((and (fboundp 'subtract-time) |
3757 | (fboundp 'time-to-seconds)) | |
0d5852cf MA |
3758 | (tramp-compat-funcall |
3759 | 'time-to-seconds (tramp-compat-funcall 'subtract-time t1 t2))) | |
fb7933a3 | 3760 | ((fboundp 'itimer-time-difference) |
0d5852cf MA |
3761 | (tramp-compat-funcall |
3762 | 'itimer-time-difference | |
3763 | (if (< (length t1) 3) (append t1 '(0)) t1) | |
3764 | (if (< (length t2) 3) (append t2 '(0)) t2))) | |
fb7933a3 | 3765 | (t |
00d6fd04 | 3766 | (let ((time (tramp-time-subtract t1 t2))) |
ea9d1443 KG |
3767 | (+ (* (car time) 65536.0) |
3768 | (cadr time) | |
3769 | (/ (or (nth 2 time) 0) 1000000.0)))))) | |
fb7933a3 | 3770 | |
fb7933a3 KG |
3771 | ;; Currently (as of Emacs 20.5), the function `shell-quote-argument' |
3772 | ;; does not deal well with newline characters. Newline is replaced by | |
3773 | ;; backslash newline. But if, say, the string `a backslash newline b' | |
3774 | ;; is passed to a shell, the shell will expand this into "ab", | |
3775 | ;; completely omitting the newline. This is not what was intended. | |
3776 | ;; It does not appear to be possible to make the function | |
3777 | ;; `shell-quote-argument' work with newlines without making it | |
3778 | ;; dependent on the shell used. But within this package, we know that | |
3779 | ;; we will always use a Bourne-like shell, so we use an approach which | |
3780 | ;; groks newlines. | |
3781 | ;; | |
3782 | ;; The approach is simple: we call `shell-quote-argument', then | |
3783 | ;; massage the newline part of the result. | |
3784 | ;; | |
3785 | ;; This function should produce a string which is grokked by a Unix | |
3786 | ;; shell, even if the Emacs is running on Windows. Since this is the | |
3787 | ;; kludges section, we bind `system-type' in such a way that | |
3788 | ;; `shell-quote-arguments' behaves as if on Unix. | |
3789 | ;; | |
3790 | ;; Thanks to Mario DeWeerd for the hint that it is sufficient for this | |
3791 | ;; function to work with Bourne-like shells. | |
3792 | ;; | |
3793 | ;; CCC: This function should be rewritten so that | |
3794 | ;; `shell-quote-argument' is not used. This way, we are safe from | |
3795 | ;; changes in `shell-quote-argument'. | |
0f34aa77 | 3796 | ;;;###tramp-autoload |
fb7933a3 KG |
3797 | (defun tramp-shell-quote-argument (s) |
3798 | "Similar to `shell-quote-argument', but groks newlines. | |
3799 | Only works for Bourne-like shells." | |
3800 | (let ((system-type 'not-windows)) | |
3801 | (save-match-data | |
3802 | (let ((result (shell-quote-argument s)) | |
3803 | (nl (regexp-quote (format "\\%s" tramp-rsh-end-of-line)))) | |
3804 | (when (and (>= (length result) 2) | |
3805 | (string= (substring result 0 2) "\\~")) | |
3806 | (setq result (substring result 1))) | |
3807 | (while (string-match nl result) | |
3808 | (setq result (replace-match (format "'%s'" tramp-rsh-end-of-line) | |
3809 | t t result))) | |
3810 | result)))) | |
3811 | ||
a69c01a0 MA |
3812 | ;; Checklist for `tramp-unload-hook' |
3813 | ;; - Unload all `tramp-*' packages | |
3814 | ;; - Reset `file-name-handler-alist' | |
3815 | ;; - Cleanup hooks where Tramp functions are in | |
3816 | ;; - Cleanup advised functions | |
3817 | ;; - Cleanup autoloads | |
3818 | ;;;###autoload | |
3819 | (defun tramp-unload-tramp () | |
08b1eb21 | 3820 | "Discard Tramp from loading remote files." |
a69c01a0 | 3821 | (interactive) |
a69c01a0 | 3822 | ;; ange-ftp settings must be enabled. |
0d5852cf | 3823 | (tramp-compat-funcall 'tramp-ftp-enable-ange-ftp) |
0f34aa77 | 3824 | ;; Maybe it's not loaded yet. |
03c1ad43 | 3825 | (ignore-errors (unload-feature 'tramp 'force))) |
ccb4a481 | 3826 | |
fb7933a3 KG |
3827 | (provide 'tramp) |
3828 | ||
fb7933a3 KG |
3829 | ;;; TODO: |
3830 | ||
fb7933a3 | 3831 | ;; * Rewrite `tramp-shell-quote-argument' to abstain from using |
b1d06e75 | 3832 | ;; `shell-quote-argument'. |
fb7933a3 KG |
3833 | ;; * In Emacs 21, `insert-directory' shows total number of bytes used |
3834 | ;; by the files in that directory. Add this here. | |
3835 | ;; * Avoid screen blanking when hitting `g' in dired. (Eli Tziperman) | |
3836 | ;; * Make ffap.el grok Tramp filenames. (Eli Tziperman) | |
fb7933a3 | 3837 | ;; * abbreviate-file-name |
8e754ea2 | 3838 | ;; * Better error checking. At least whenever we see something |
fb7933a3 KG |
3839 | ;; strange when doing zerop, we should kill the process and start |
3840 | ;; again. (Greg Stark) | |
3cdaec13 | 3841 | ;; * Username and hostname completion. |
6c4e47fa | 3842 | ;; ** Try to avoid usage of `last-input-event' in `tramp-completion-mode-p'. |
00d6fd04 | 3843 | ;; * Make `tramp-default-user' obsolete. |
3e2fa353 MA |
3844 | ;; * Implement a general server-local-variable mechanism, as there are |
3845 | ;; probably other variables that need different values for different | |
3846 | ;; servers too. The user could then configure a variable (such as | |
3847 | ;; tramp-server-local-variable-alist) to define any such variables | |
3848 | ;; that they need to, which would then be let bound as appropriate | |
6e4f5731 | 3849 | ;; in tramp functions. (Jason Rumney) |
7e5686f0 MA |
3850 | ;; * IMHO, it's a drawback that currently Tramp doesn't support |
3851 | ;; Unicode in Dired file names by default. Is it possible to | |
3852 | ;; improve Tramp to set LC_ALL to "C" only for commands where Tramp | |
3853 | ;; expects English? Or just to set LC_MESSAGES to "C" if Tramp | |
6e4f5731 | 3854 | ;; expects only English messages? (Juri Linkov) |
7e5686f0 | 3855 | ;; * Make shadowfile.el grok Tramp filenames. (Bug#4526, Bug#4846) |
58179cce | 3856 | ;; * I was wondering if it would be possible to use tramp even if I'm |
44ffae96 MA |
3857 | ;; actually using sshfs. But when I launch a command I would like |
3858 | ;; to get it executed on the remote machine where the files really | |
3859 | ;; are. (Andrea Crotti) | |
3860 | ;; * Run emerge on two remote files. Bug is described here: | |
3861 | ;; <http://www.mail-archive.com/tramp-devel@nongnu.org/msg01041.html>. | |
3862 | ;; (Bug#6850) | |
fb7933a3 KG |
3863 | |
3864 | ;;; tramp.el ends here | |
57671b72 MA |
3865 | |
3866 | ;; Local Variables: | |
3867 | ;; mode: Emacs-Lisp | |
3868 | ;; coding: utf-8 | |
3869 | ;; End: |