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03c1ad43 MA |
1 | ;;; tramp-sh.el --- Tramp access functions for (s)sh-like connections |
2 | ||
ba318903 | 3 | ;; Copyright (C) 1998-2014 Free Software Foundation, Inc. |
03c1ad43 MA |
4 | |
5 | ;; (copyright statements below in code to be updated with the above notice) | |
6 | ||
7 | ;; Author: Kai Großjohann <kai.grossjohann@gmx.net> | |
8 | ;; Michael Albinus <michael.albinus@gmx.de> | |
9 | ;; Keywords: comm, processes | |
10 | ;; Package: tramp | |
11 | ||
12 | ;; This file is part of GNU Emacs. | |
13 | ||
14 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
15 | ;; it under the terms of the GNU General Public License as published by | |
16 | ;; the Free Software Foundation, either version 3 of the License, or | |
17 | ;; (at your option) any later version. | |
18 | ||
19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | ;; GNU General Public License for more details. | |
23 | ||
24 | ;; You should have received a copy of the GNU General Public License | |
25 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
26 | ||
27 | ;;; Code: | |
28 | ||
29 | (require 'tramp) | |
03c1ad43 | 30 | |
b74f0d96 MA |
31 | ;; Pacify byte-compiler. |
32 | (eval-when-compile | |
33 | (require 'cl) | |
f95527c8 MA |
34 | (require 'dired)) |
35 | (defvar directory-sep-char) | |
36 | (defvar tramp-gw-tunnel-method) | |
37 | (defvar tramp-gw-socks-method) | |
03c1ad43 MA |
38 | |
39 | (defcustom tramp-inline-compress-start-size 4096 | |
fb7ada5f | 40 | "The minimum size of compressing where inline transfer. |
333f9019 | 41 | When inline transfer, compress transferred data of file |
03c1ad43 MA |
42 | whose size is this value or above (up to `tramp-copy-size-limit'). |
43 | If it is nil, no compression at all will be applied." | |
44 | :group 'tramp | |
45 | :type '(choice (const nil) integer)) | |
46 | ||
47 | (defcustom tramp-copy-size-limit 10240 | |
2fe4b125 MA |
48 | "The maximum file size where inline copying is preferred over an \ |
49 | out-of-the-band copy. | |
50 | If it is nil, out-of-the-band copy will be used without a check." | |
03c1ad43 MA |
51 | :group 'tramp |
52 | :type '(choice (const nil) integer)) | |
53 | ||
54 | ;;;###tramp-autoload | |
55 | (defcustom tramp-terminal-type "dumb" | |
fb7ada5f | 56 | "Value of TERM environment variable for logging in to remote host. |
03c1ad43 MA |
57 | Because Tramp wants to parse the output of the remote shell, it is easily |
58 | confused by ANSI color escape sequences and suchlike. Often, shell init | |
59 | files conditionalize this setup based on the TERM environment variable." | |
60 | :group 'tramp | |
61 | :type 'string) | |
62 | ||
50bfdd5d | 63 | ;;;###tramp-autoload |
6d95bd46 MA |
64 | (defconst tramp-color-escape-sequence-regexp "\e[[;0-9]+m" |
65 | "Escape sequences produced by the \"ls\" command.") | |
66 | ||
2c68ca0e | 67 | ;; ksh on OpenBSD 4.5 requires that $PS1 contains a `#' character for |
03c1ad43 | 68 | ;; root users. It uses the `$' character for other users. In order |
a857d3c7 | 69 | ;; to guarantee a proper prompt, we use "#$ " for the prompt. |
03c1ad43 MA |
70 | |
71 | (defvar tramp-end-of-output | |
72 | (format | |
73 | "///%s#$" | |
74 | (md5 (concat (prin1-to-string process-environment) (current-time-string)))) | |
75 | "String used to recognize end of output. | |
76 | The '$' character at the end is quoted; the string cannot be | |
77 | detected as prompt when being sent on echoing hosts, therefore.") | |
78 | ||
79 | ;;;###tramp-autoload | |
80 | (defconst tramp-initial-end-of-output "#$ " | |
81 | "Prompt when establishing a connection.") | |
82 | ||
9a83b32b MA |
83 | (defconst tramp-end-of-heredoc (md5 tramp-end-of-output) |
84 | "String used to recognize end of heredoc strings.") | |
85 | ||
03c1ad43 MA |
86 | ;; Initialize `tramp-methods' with the supported methods. |
87 | ;;;###tramp-autoload | |
88 | (add-to-list 'tramp-methods | |
89 | '("rcp" | |
90 | (tramp-login-program "rsh") | |
91 | (tramp-login-args (("%h") ("-l" "%u"))) | |
f5e29b9b MA |
92 | (tramp-remote-shell "/bin/sh") |
93 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 94 | (tramp-copy-program "rcp") |
f3afd36b | 95 | (tramp-copy-args (("-p" "%k") ("-r"))) |
03c1ad43 MA |
96 | (tramp-copy-keep-date t) |
97 | (tramp-copy-recursive t))) | |
98 | ;;;###tramp-autoload | |
99 | (add-to-list 'tramp-methods | |
100 | '("remcp" | |
101 | (tramp-login-program "remsh") | |
102 | (tramp-login-args (("%h") ("-l" "%u"))) | |
f5e29b9b MA |
103 | (tramp-remote-shell "/bin/sh") |
104 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 105 | (tramp-copy-program "rcp") |
f3afd36b | 106 | (tramp-copy-args (("-p" "%k"))) |
03c1ad43 MA |
107 | (tramp-copy-keep-date t))) |
108 | ;;;###tramp-autoload | |
66feec8b | 109 | (add-to-list 'tramp-methods |
c57a0aff | 110 | '("scp" |
03c1ad43 | 111 | (tramp-login-program "ssh") |
c57a0aff | 112 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
d7291032 | 113 | ("-e" "none") ("%h"))) |
03c1ad43 | 114 | (tramp-async-args (("-q"))) |
f5e29b9b MA |
115 | (tramp-remote-shell "/bin/sh") |
116 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 117 | (tramp-copy-program "scp") |
c57a0aff | 118 | (tramp-copy-args (("-P" "%p") ("-p" "%k") ("-q") ("-r") ("%c"))) |
03c1ad43 MA |
119 | (tramp-copy-keep-date t) |
120 | (tramp-copy-recursive t) | |
121 | (tramp-gw-args (("-o" "GlobalKnownHostsFile=/dev/null") | |
122 | ("-o" "UserKnownHostsFile=/dev/null") | |
123 | ("-o" "StrictHostKeyChecking=no"))) | |
124 | (tramp-default-port 22))) | |
125 | ;;;###tramp-autoload | |
03c1ad43 | 126 | (add-to-list 'tramp-methods |
c57a0aff | 127 | '("scpx" |
03c1ad43 | 128 | (tramp-login-program "ssh") |
c57a0aff | 129 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
d7291032 | 130 | ("-e" "none") ("-t" "-t") ("%h") ("/bin/sh"))) |
03c1ad43 | 131 | (tramp-async-args (("-q"))) |
f5e29b9b MA |
132 | (tramp-remote-shell "/bin/sh") |
133 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 134 | (tramp-copy-program "scp") |
c57a0aff MA |
135 | (tramp-copy-args (("-P" "%p") ("-p" "%k") |
136 | ("-q") ("-r") ("%c"))) | |
03c1ad43 | 137 | (tramp-copy-keep-date t) |
8d68c659 | 138 | (tramp-copy-recursive t) |
03c1ad43 MA |
139 | (tramp-gw-args (("-o" "GlobalKnownHostsFile=/dev/null") |
140 | ("-o" "UserKnownHostsFile=/dev/null") | |
141 | ("-o" "StrictHostKeyChecking=no"))) | |
142 | (tramp-default-port 22))) | |
143 | ;;;###tramp-autoload | |
144 | (add-to-list 'tramp-methods | |
c57a0aff | 145 | '("sftp" |
03c1ad43 | 146 | (tramp-login-program "ssh") |
c57a0aff | 147 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
d7291032 | 148 | ("-e" "none") ("%h"))) |
03c1ad43 | 149 | (tramp-async-args (("-q"))) |
f5e29b9b MA |
150 | (tramp-remote-shell "/bin/sh") |
151 | (tramp-remote-shell-args ("-c")) | |
d7291032 | 152 | (tramp-copy-program "sftp") |
c57a0aff | 153 | (tramp-copy-args ("%c")))) |
d7291032 | 154 | ;;;###tramp-autoload |
03c1ad43 | 155 | (add-to-list 'tramp-methods |
c57a0aff | 156 | '("rsync" |
03c1ad43 | 157 | (tramp-login-program "ssh") |
c57a0aff | 158 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
03c1ad43 MA |
159 | ("-e" "none") ("%h"))) |
160 | (tramp-async-args (("-q"))) | |
f5e29b9b MA |
161 | (tramp-remote-shell "/bin/sh") |
162 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 163 | (tramp-copy-program "rsync") |
f3afd36b | 164 | (tramp-copy-args (("-t" "%k") ("-r"))) |
c57a0aff | 165 | (tramp-copy-env (("RSYNC_RSH") ("ssh" "%c"))) |
03c1ad43 MA |
166 | (tramp-copy-keep-date t) |
167 | (tramp-copy-keep-tmpfile t) | |
168 | (tramp-copy-recursive t))) | |
169 | ;;;###tramp-autoload | |
170 | (add-to-list 'tramp-methods | |
171 | '("rsh" | |
172 | (tramp-login-program "rsh") | |
173 | (tramp-login-args (("%h") ("-l" "%u"))) | |
f5e29b9b MA |
174 | (tramp-remote-shell "/bin/sh") |
175 | (tramp-remote-shell-args ("-c")))) | |
03c1ad43 MA |
176 | ;;;###tramp-autoload |
177 | (add-to-list 'tramp-methods | |
178 | '("remsh" | |
179 | (tramp-login-program "remsh") | |
180 | (tramp-login-args (("%h") ("-l" "%u"))) | |
f5e29b9b MA |
181 | (tramp-remote-shell "/bin/sh") |
182 | (tramp-remote-shell-args ("-c")))) | |
03c1ad43 MA |
183 | ;;;###tramp-autoload |
184 | (add-to-list 'tramp-methods | |
c57a0aff | 185 | '("ssh" |
03c1ad43 | 186 | (tramp-login-program "ssh") |
c57a0aff | 187 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
d7291032 | 188 | ("-e" "none") ("%h"))) |
03c1ad43 | 189 | (tramp-async-args (("-q"))) |
f5e29b9b MA |
190 | (tramp-remote-shell "/bin/sh") |
191 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 MA |
192 | (tramp-gw-args (("-o" "GlobalKnownHostsFile=/dev/null") |
193 | ("-o" "UserKnownHostsFile=/dev/null") | |
194 | ("-o" "StrictHostKeyChecking=no"))) | |
195 | (tramp-default-port 22))) | |
196 | ;;;###tramp-autoload | |
03c1ad43 | 197 | (add-to-list 'tramp-methods |
c57a0aff | 198 | '("sshx" |
03c1ad43 | 199 | (tramp-login-program "ssh") |
c57a0aff | 200 | (tramp-login-args (("-l" "%u") ("-p" "%p") ("%c") |
d7291032 | 201 | ("-e" "none") ("-t" "-t") ("%h") ("/bin/sh"))) |
03c1ad43 | 202 | (tramp-async-args (("-q"))) |
f5e29b9b MA |
203 | (tramp-remote-shell "/bin/sh") |
204 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 MA |
205 | (tramp-gw-args (("-o" "GlobalKnownHostsFile=/dev/null") |
206 | ("-o" "UserKnownHostsFile=/dev/null") | |
207 | ("-o" "StrictHostKeyChecking=no"))) | |
208 | (tramp-default-port 22))) | |
209 | ;;;###tramp-autoload | |
210 | (add-to-list 'tramp-methods | |
211 | '("telnet" | |
212 | (tramp-login-program "telnet") | |
213 | (tramp-login-args (("%h") ("%p"))) | |
f5e29b9b MA |
214 | (tramp-remote-shell "/bin/sh") |
215 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 MA |
216 | (tramp-default-port 23))) |
217 | ;;;###tramp-autoload | |
218 | (add-to-list 'tramp-methods | |
219 | '("su" | |
220 | (tramp-login-program "su") | |
221 | (tramp-login-args (("-") ("%u"))) | |
f5e29b9b | 222 | (tramp-remote-shell "/bin/sh") |
88f6a933 MA |
223 | (tramp-remote-shell-args ("-c")) |
224 | (tramp-connection-timeout 10))) | |
03c1ad43 MA |
225 | ;;;###tramp-autoload |
226 | (add-to-list 'tramp-methods | |
227 | '("sudo" | |
228 | (tramp-login-program "sudo") | |
229 | (tramp-login-args (("-u" "%u") ("-s") ("-H") ("-p" "Password:"))) | |
f5e29b9b | 230 | (tramp-remote-shell "/bin/sh") |
88f6a933 MA |
231 | (tramp-remote-shell-args ("-c")) |
232 | (tramp-connection-timeout 10))) | |
03c1ad43 | 233 | ;;;###tramp-autoload |
d68b0220 MA |
234 | (add-to-list 'tramp-methods |
235 | '("ksu" | |
236 | (tramp-login-program "ksu") | |
237 | (tramp-login-args (("%u") ("-q"))) | |
f5e29b9b | 238 | (tramp-remote-shell "/bin/sh") |
88f6a933 MA |
239 | (tramp-remote-shell-args ("-c")) |
240 | (tramp-connection-timeout 10))) | |
d68b0220 | 241 | ;;;###tramp-autoload |
03c1ad43 MA |
242 | (add-to-list 'tramp-methods |
243 | '("krlogin" | |
244 | (tramp-login-program "krlogin") | |
245 | (tramp-login-args (("%h") ("-l" "%u") ("-x"))) | |
f5e29b9b MA |
246 | (tramp-remote-shell "/bin/sh") |
247 | (tramp-remote-shell-args ("-c")))) | |
03c1ad43 MA |
248 | ;;;###tramp-autoload |
249 | (add-to-list 'tramp-methods | |
250 | '("plink" | |
251 | (tramp-login-program "plink") | |
252 | (tramp-login-args (("-l" "%u") ("-P" "%p") ("-ssh") ("%h"))) | |
f5e29b9b MA |
253 | (tramp-remote-shell "/bin/sh") |
254 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 MA |
255 | (tramp-default-port 22))) |
256 | ;;;###tramp-autoload | |
03c1ad43 MA |
257 | (add-to-list 'tramp-methods |
258 | `("plinkx" | |
259 | (tramp-login-program "plink") | |
260 | ;; ("%h") must be a single element, see | |
261 | ;; `tramp-compute-multi-hops'. | |
262 | (tramp-login-args (("-load") ("%h") ("-t") | |
263 | (,(format | |
264 | "env 'TERM=%s' 'PROMPT_COMMAND=' 'PS1=%s'" | |
265 | tramp-terminal-type | |
266 | tramp-initial-end-of-output)) | |
267 | ("/bin/sh"))) | |
f5e29b9b MA |
268 | (tramp-remote-shell "/bin/sh") |
269 | (tramp-remote-shell-args ("-c")))) | |
03c1ad43 MA |
270 | ;;;###tramp-autoload |
271 | (add-to-list 'tramp-methods | |
272 | '("pscp" | |
273 | (tramp-login-program "plink") | |
274 | (tramp-login-args (("-l" "%u") ("-P" "%p") ("-ssh") ("%h"))) | |
f5e29b9b MA |
275 | (tramp-remote-shell "/bin/sh") |
276 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 277 | (tramp-copy-program "pscp") |
a5509865 | 278 | (tramp-copy-args (("-l" "%u") ("-P" "%p") ("-scp") ("-p" "%k") |
66feec8b | 279 | ("-q") ("-r"))) |
03c1ad43 | 280 | (tramp-copy-keep-date t) |
66feec8b | 281 | (tramp-copy-recursive t) |
03c1ad43 MA |
282 | (tramp-default-port 22))) |
283 | ;;;###tramp-autoload | |
284 | (add-to-list 'tramp-methods | |
285 | '("psftp" | |
286 | (tramp-login-program "plink") | |
287 | (tramp-login-args (("-l" "%u") ("-P" "%p") ("-ssh") ("%h"))) | |
f5e29b9b MA |
288 | (tramp-remote-shell "/bin/sh") |
289 | (tramp-remote-shell-args ("-c")) | |
03c1ad43 | 290 | (tramp-copy-program "pscp") |
a5509865 | 291 | (tramp-copy-args (("-l" "%u") ("-P" "%p") ("-sftp") ("-p" "%k") |
66feec8b | 292 | ("-q") ("-r"))) |
03c1ad43 | 293 | (tramp-copy-keep-date t) |
2fe4b125 | 294 | (tramp-copy-recursive t))) |
03c1ad43 MA |
295 | ;;;###tramp-autoload |
296 | (add-to-list 'tramp-methods | |
297 | '("fcp" | |
298 | (tramp-login-program "fsh") | |
299 | (tramp-login-args (("%h") ("-l" "%u") ("sh" "-i"))) | |
f5e29b9b MA |
300 | (tramp-remote-shell "/bin/sh") |
301 | (tramp-remote-shell-args ("-i") ("-c")) | |
03c1ad43 | 302 | (tramp-copy-program "fcp") |
f3afd36b | 303 | (tramp-copy-args (("-p" "%k"))) |
03c1ad43 MA |
304 | (tramp-copy-keep-date t))) |
305 | ||
b191c9d9 | 306 | ;;;###tramp-autoload |
03c1ad43 MA |
307 | (add-to-list 'tramp-default-method-alist |
308 | `(,tramp-local-host-regexp "\\`root\\'" "su")) | |
309 | ||
b191c9d9 | 310 | ;;;###tramp-autoload |
03c1ad43 | 311 | (add-to-list 'tramp-default-user-alist |
d68b0220 MA |
312 | `(,(concat "\\`" (regexp-opt '("su" "sudo" "ksu")) "\\'") |
313 | nil "root")) | |
fe99f704 | 314 | ;; Do not add "ssh" based methods, otherwise ~/.ssh/config would be ignored. |
a5509865 | 315 | ;; Do not add "plink" based methods, they ask interactively for the user. |
b191c9d9 | 316 | ;;;###tramp-autoload |
03c1ad43 | 317 | (add-to-list 'tramp-default-user-alist |
d68b0220 MA |
318 | `(,(concat |
319 | "\\`" | |
a5509865 | 320 | (regexp-opt '("rcp" "remcp" "rsh" "telnet" "krlogin" "fcp")) |
d68b0220 | 321 | "\\'") |
03c1ad43 MA |
322 | nil ,(user-login-name))) |
323 | ||
f8f91c2b | 324 | ;;;###tramp-autoload |
03c1ad43 MA |
325 | (defconst tramp-completion-function-alist-rsh |
326 | '((tramp-parse-rhosts "/etc/hosts.equiv") | |
327 | (tramp-parse-rhosts "~/.rhosts")) | |
328 | "Default list of (FUNCTION FILE) pairs to be examined for rsh methods.") | |
329 | ||
f8f91c2b | 330 | ;;;###tramp-autoload |
03c1ad43 MA |
331 | (defconst tramp-completion-function-alist-ssh |
332 | '((tramp-parse-rhosts "/etc/hosts.equiv") | |
333 | (tramp-parse-rhosts "/etc/shosts.equiv") | |
334 | (tramp-parse-shosts "/etc/ssh_known_hosts") | |
335 | (tramp-parse-sconfig "/etc/ssh_config") | |
336 | (tramp-parse-shostkeys "/etc/ssh2/hostkeys") | |
337 | (tramp-parse-sknownhosts "/etc/ssh2/knownhosts") | |
338 | (tramp-parse-rhosts "~/.rhosts") | |
339 | (tramp-parse-rhosts "~/.shosts") | |
340 | (tramp-parse-shosts "~/.ssh/known_hosts") | |
341 | (tramp-parse-sconfig "~/.ssh/config") | |
342 | (tramp-parse-shostkeys "~/.ssh2/hostkeys") | |
343 | (tramp-parse-sknownhosts "~/.ssh2/knownhosts")) | |
344 | "Default list of (FUNCTION FILE) pairs to be examined for ssh methods.") | |
345 | ||
f8f91c2b | 346 | ;;;###tramp-autoload |
03c1ad43 MA |
347 | (defconst tramp-completion-function-alist-telnet |
348 | '((tramp-parse-hosts "/etc/hosts")) | |
349 | "Default list of (FUNCTION FILE) pairs to be examined for telnet methods.") | |
350 | ||
f8f91c2b | 351 | ;;;###tramp-autoload |
03c1ad43 MA |
352 | (defconst tramp-completion-function-alist-su |
353 | '((tramp-parse-passwd "/etc/passwd")) | |
354 | "Default list of (FUNCTION FILE) pairs to be examined for su methods.") | |
355 | ||
f8f91c2b | 356 | ;;;###tramp-autoload |
03c1ad43 | 357 | (defconst tramp-completion-function-alist-putty |
2fe4b125 MA |
358 | `((tramp-parse-putty |
359 | ,(if (memq system-type '(windows-nt)) | |
360 | "HKEY_CURRENT_USER\\Software\\SimonTatham\\PuTTY\\Sessions" | |
361 | "~/.putty/sessions"))) | |
362 | "Default list of (FUNCTION REGISTRY) pairs to be examined for putty sessions.") | |
03c1ad43 | 363 | |
f8f91c2b MA |
364 | ;;;###tramp-autoload |
365 | (eval-after-load 'tramp | |
366 | '(progn | |
367 | (tramp-set-completion-function "rcp" tramp-completion-function-alist-rsh) | |
368 | (tramp-set-completion-function "remcp" tramp-completion-function-alist-rsh) | |
369 | (tramp-set-completion-function "scp" tramp-completion-function-alist-ssh) | |
f8f91c2b MA |
370 | (tramp-set-completion-function "scpx" tramp-completion-function-alist-ssh) |
371 | (tramp-set-completion-function "sftp" tramp-completion-function-alist-ssh) | |
372 | (tramp-set-completion-function "rsync" tramp-completion-function-alist-ssh) | |
f8f91c2b MA |
373 | (tramp-set-completion-function "rsh" tramp-completion-function-alist-rsh) |
374 | (tramp-set-completion-function "remsh" tramp-completion-function-alist-rsh) | |
375 | (tramp-set-completion-function "ssh" tramp-completion-function-alist-ssh) | |
f8f91c2b MA |
376 | (tramp-set-completion-function "sshx" tramp-completion-function-alist-ssh) |
377 | (tramp-set-completion-function | |
378 | "telnet" tramp-completion-function-alist-telnet) | |
379 | (tramp-set-completion-function "su" tramp-completion-function-alist-su) | |
380 | (tramp-set-completion-function "sudo" tramp-completion-function-alist-su) | |
381 | (tramp-set-completion-function "ksu" tramp-completion-function-alist-su) | |
382 | (tramp-set-completion-function | |
383 | "krlogin" tramp-completion-function-alist-rsh) | |
384 | (tramp-set-completion-function "plink" tramp-completion-function-alist-ssh) | |
f8f91c2b MA |
385 | (tramp-set-completion-function |
386 | "plinkx" tramp-completion-function-alist-putty) | |
387 | (tramp-set-completion-function "pscp" tramp-completion-function-alist-ssh) | |
388 | (tramp-set-completion-function "fcp" tramp-completion-function-alist-ssh))) | |
03c1ad43 MA |
389 | |
390 | ;; "getconf PATH" yields: | |
391 | ;; HP-UX: /usr/bin:/usr/ccs/bin:/opt/ansic/bin:/opt/langtools/bin:/opt/fortran/bin | |
392 | ;; Solaris: /usr/xpg4/bin:/usr/ccs/bin:/usr/bin:/opt/SUNWspro/bin | |
393 | ;; GNU/Linux (Debian, Suse): /bin:/usr/bin | |
394 | ;; FreeBSD: /usr/bin:/bin:/usr/sbin:/sbin: - beware trailing ":"! | |
395 | ;; IRIX64: /usr/bin | |
97912def | 396 | ;;;###tramp-autoload |
03c1ad43 | 397 | (defcustom tramp-remote-path |
c2c43c23 MA |
398 | '(tramp-default-remote-path "/bin" "/usr/bin" "/sbin" "/usr/sbin" |
399 | "/usr/local/bin" "/usr/local/sbin" "/local/bin" "/local/freeware/bin" | |
400 | "/local/gnu/bin" "/usr/freeware/bin" "/usr/pkg/bin" "/usr/contrib/bin" | |
2fe4b125 | 401 | "/opt/bin" "/opt/sbin" "/opt/local/bin") |
fb7ada5f | 402 | "List of directories to search for executables on remote host. |
03c1ad43 MA |
403 | For every remote host, this variable will be set buffer local, |
404 | keeping the list of existing directories on that host. | |
405 | ||
406 | You can use `~' in this list, but when searching for a shell which groks | |
407 | tilde expansion, all directory names starting with `~' will be ignored. | |
408 | ||
409 | `Default Directories' represent the list of directories given by | |
410 | the command \"getconf PATH\". It is recommended to use this | |
411 | entry on top of this list, because these are the default | |
a857d3c7 MA |
412 | directories for POSIX compatible commands. On remote hosts which |
413 | do not offer the getconf command (like cygwin), the value | |
414 | \"/bin:/usr/bin\" is used instead of. | |
03c1ad43 MA |
415 | |
416 | `Private Directories' are the settings of the $PATH environment, | |
417 | as given in your `~/.profile'." | |
418 | :group 'tramp | |
419 | :type '(repeat (choice | |
420 | (const :tag "Default Directories" tramp-default-remote-path) | |
421 | (const :tag "Private Directories" tramp-own-remote-path) | |
422 | (string :tag "Directory")))) | |
423 | ||
61addbc2 | 424 | ;;;###tramp-autoload |
03c1ad43 | 425 | (defcustom tramp-remote-process-environment |
a8a15d9d | 426 | `("HISTFILE=$HOME/.tramp_history" "HISTSIZE=1" "TMOUT=0" "LC_CTYPE=''" |
03c1ad43 MA |
427 | ,(format "TERM=%s" tramp-terminal-type) |
428 | "EMACS=t" ;; Deprecated. | |
429 | ,(format "INSIDE_EMACS='%s,tramp:%s'" emacs-version tramp-version) | |
99a54f21 | 430 | "CDPATH=" "HISTORY=" "MAIL=" "MAILCHECK=" "MAILPATH=" "PAGER=\"\"" |
03c1ad43 | 431 | "autocorrect=" "correct=") |
fb7ada5f | 432 | "List of environment variables to be set on the remote host. |
03c1ad43 MA |
433 | |
434 | Each element should be a string of the form ENVVARNAME=VALUE. An | |
4c36be58 | 435 | entry ENVVARNAME= disables the corresponding environment variable, |
03c1ad43 MA |
436 | which might have been set in the init files like ~/.profile. |
437 | ||
438 | Special handling is applied to the PATH environment, which should | |
2c68ca0e | 439 | not be set here. Instead, it should be set via `tramp-remote-path'." |
03c1ad43 MA |
440 | :group 'tramp |
441 | :type '(repeat string)) | |
442 | ||
443 | (defcustom tramp-sh-extra-args '(("/bash\\'" . "-norc -noprofile")) | |
fb7ada5f | 444 | "Alist specifying extra arguments to pass to the remote shell. |
03c1ad43 MA |
445 | Entries are (REGEXP . ARGS) where REGEXP is a regular expression |
446 | matching the shell file name and ARGS is a string specifying the | |
447 | arguments. | |
448 | ||
449 | This variable is only used when Tramp needs to start up another shell | |
450 | for tilde expansion. The extra arguments should typically prevent the | |
451 | shell from reading its init file." | |
452 | :group 'tramp | |
453 | ;; This might be the wrong way to test whether the widget type | |
454 | ;; `alist' is available. Who knows the right way to test it? | |
455 | :type (if (get 'alist 'widget-type) | |
456 | '(alist :key-type string :value-type string) | |
457 | '(repeat (cons string string)))) | |
458 | ||
459 | (defconst tramp-actions-before-shell | |
460 | '((tramp-login-prompt-regexp tramp-action-login) | |
461 | (tramp-password-prompt-regexp tramp-action-password) | |
462 | (tramp-wrong-passwd-regexp tramp-action-permission-denied) | |
463 | (shell-prompt-pattern tramp-action-succeed) | |
464 | (tramp-shell-prompt-pattern tramp-action-succeed) | |
465 | (tramp-yesno-prompt-regexp tramp-action-yesno) | |
466 | (tramp-yn-prompt-regexp tramp-action-yn) | |
467 | (tramp-terminal-prompt-regexp tramp-action-terminal) | |
468 | (tramp-process-alive-regexp tramp-action-process-alive)) | |
469 | "List of pattern/action pairs. | |
470 | Whenever a pattern matches, the corresponding action is performed. | |
471 | Each item looks like (PATTERN ACTION). | |
472 | ||
473 | The PATTERN should be a symbol, a variable. The value of this | |
474 | variable gives the regular expression to search for. Note that the | |
475 | regexp must match at the end of the buffer, \"\\'\" is implicitly | |
476 | appended to it. | |
477 | ||
478 | The ACTION should also be a symbol, but a function. When the | |
479 | corresponding PATTERN matches, the ACTION function is called.") | |
480 | ||
481 | (defconst tramp-actions-copy-out-of-band | |
482 | '((tramp-password-prompt-regexp tramp-action-password) | |
483 | (tramp-wrong-passwd-regexp tramp-action-permission-denied) | |
484 | (tramp-copy-failed-regexp tramp-action-permission-denied) | |
485 | (tramp-process-alive-regexp tramp-action-out-of-band)) | |
486 | "List of pattern/action pairs. | |
487 | This list is used for copying/renaming with out-of-band methods. | |
488 | ||
489 | See `tramp-actions-before-shell' for more info.") | |
490 | ||
491 | (defconst tramp-uudecode | |
492 | "(echo begin 600 /tmp/tramp.$$; tail +2) | uudecode | |
493 | cat /tmp/tramp.$$ | |
494 | rm -f /tmp/tramp.$$" | |
495 | "Shell function to implement `uudecode' to standard output. | |
496 | Many systems support `uudecode -o /dev/stdout' or `uudecode -o -' | |
497 | for this or `uudecode -p', but some systems don't, and for them | |
498 | we have this shell function.") | |
499 | ||
500 | (defconst tramp-perl-file-truename | |
501 | "%s -e ' | |
502 | use File::Spec; | |
503 | use Cwd \"realpath\"; | |
504 | ||
505 | sub recursive { | |
506 | my ($volume, @dirs) = @_; | |
507 | my $real = realpath(File::Spec->catpath( | |
508 | $volume, File::Spec->catdir(@dirs), \"\")); | |
509 | if ($real) { | |
510 | my ($vol, $dir) = File::Spec->splitpath($real, 1); | |
511 | return ($vol, File::Spec->splitdir($dir)); | |
512 | } | |
513 | else { | |
514 | my $last = pop(@dirs); | |
515 | ($volume, @dirs) = recursive($volume, @dirs); | |
516 | push(@dirs, $last); | |
517 | return ($volume, @dirs); | |
518 | } | |
519 | } | |
520 | ||
521 | $result = realpath($ARGV[0]); | |
522 | if (!$result) { | |
523 | my ($vol, $dir) = File::Spec->splitpath($ARGV[0], 1); | |
524 | ($vol, @dirs) = recursive($vol, File::Spec->splitdir($dir)); | |
525 | ||
526 | $result = File::Spec->catpath($vol, File::Spec->catdir(@dirs), \"\"); | |
527 | } | |
528 | ||
529 | if ($ARGV[0] =~ /\\/$/) { | |
530 | $result = $result . \"/\"; | |
531 | } | |
532 | ||
533 | print \"\\\"$result\\\"\\n\"; | |
534 | ' \"$1\" 2>/dev/null" | |
535 | "Perl script to produce output suitable for use with `file-truename' | |
536 | on the remote file system. | |
537 | Escape sequence %s is replaced with name of Perl binary. | |
538 | This string is passed to `format', so percent characters need to be doubled.") | |
539 | ||
540 | (defconst tramp-perl-file-name-all-completions | |
541 | "%s -e 'sub case { | |
542 | my $str = shift; | |
543 | if ($ARGV[2]) { | |
544 | return lc($str); | |
545 | } | |
546 | else { | |
547 | return $str; | |
548 | } | |
549 | } | |
550 | opendir(d, $ARGV[0]) || die(\"$ARGV[0]: $!\\nfail\\n\"); | |
551 | @files = readdir(d); closedir(d); | |
552 | foreach $f (@files) { | |
553 | if (case(substr($f, 0, length($ARGV[1]))) eq case($ARGV[1])) { | |
554 | if (-d \"$ARGV[0]/$f\") { | |
555 | print \"$f/\\n\"; | |
556 | } | |
557 | else { | |
558 | print \"$f\\n\"; | |
559 | } | |
560 | } | |
561 | } | |
562 | print \"ok\\n\" | |
563 | ' \"$1\" \"$2\" \"$3\" 2>/dev/null" | |
564 | "Perl script to produce output suitable for use with | |
565 | `file-name-all-completions' on the remote file system. Escape | |
566 | sequence %s is replaced with name of Perl binary. This string is | |
567 | passed to `format', so percent characters need to be doubled.") | |
568 | ||
569 | ;; Perl script to implement `file-attributes' in a Lisp `read'able | |
570 | ;; output. If you are hacking on this, note that you get *no* output | |
571 | ;; unless this spits out a complete line, including the '\n' at the | |
572 | ;; end. | |
573 | ;; The device number is returned as "-1", because there will be a virtual | |
4a93e698 | 574 | ;; device number set in `tramp-sh-handle-file-attributes'. |
03c1ad43 MA |
575 | (defconst tramp-perl-file-attributes |
576 | "%s -e ' | |
577 | @stat = lstat($ARGV[0]); | |
578 | if (!@stat) { | |
579 | print \"nil\\n\"; | |
580 | exit 0; | |
581 | } | |
582 | if (($stat[2] & 0170000) == 0120000) | |
583 | { | |
584 | $type = readlink($ARGV[0]); | |
585 | $type = \"\\\"$type\\\"\"; | |
586 | } | |
587 | elsif (($stat[2] & 0170000) == 040000) | |
588 | { | |
589 | $type = \"t\"; | |
590 | } | |
591 | else | |
592 | { | |
593 | $type = \"nil\" | |
594 | }; | |
595 | $uid = ($ARGV[1] eq \"integer\") ? $stat[4] : \"\\\"\" . getpwuid($stat[4]) . \"\\\"\"; | |
596 | $gid = ($ARGV[1] eq \"integer\") ? $stat[5] : \"\\\"\" . getgrgid($stat[5]) . \"\\\"\"; | |
597 | printf( | |
598 | \"(%%s %%u %%s %%s (%%u %%u) (%%u %%u) (%%u %%u) %%u.0 %%u t (%%u . %%u) -1)\\n\", | |
599 | $type, | |
600 | $stat[3], | |
601 | $uid, | |
602 | $gid, | |
603 | $stat[8] >> 16 & 0xffff, | |
604 | $stat[8] & 0xffff, | |
605 | $stat[9] >> 16 & 0xffff, | |
606 | $stat[9] & 0xffff, | |
607 | $stat[10] >> 16 & 0xffff, | |
608 | $stat[10] & 0xffff, | |
609 | $stat[7], | |
610 | $stat[2], | |
611 | $stat[1] >> 16 & 0xffff, | |
612 | $stat[1] & 0xffff | |
613 | );' \"$1\" \"$2\" 2>/dev/null" | |
614 | "Perl script to produce output suitable for use with `file-attributes' | |
615 | on the remote file system. | |
616 | Escape sequence %s is replaced with name of Perl binary. | |
617 | This string is passed to `format', so percent characters need to be doubled.") | |
618 | ||
619 | (defconst tramp-perl-directory-files-and-attributes | |
620 | "%s -e ' | |
621 | chdir($ARGV[0]) or printf(\"\\\"Cannot change to $ARGV[0]: $''!''\\\"\\n\"), exit(); | |
622 | opendir(DIR,\".\") or printf(\"\\\"Cannot open directory $ARGV[0]: $''!''\\\"\\n\"), exit(); | |
623 | @list = readdir(DIR); | |
624 | closedir(DIR); | |
625 | $n = scalar(@list); | |
626 | printf(\"(\\n\"); | |
627 | for($i = 0; $i < $n; $i++) | |
628 | { | |
629 | $filename = $list[$i]; | |
630 | @stat = lstat($filename); | |
631 | if (($stat[2] & 0170000) == 0120000) | |
632 | { | |
633 | $type = readlink($filename); | |
634 | $type = \"\\\"$type\\\"\"; | |
635 | } | |
636 | elsif (($stat[2] & 0170000) == 040000) | |
637 | { | |
638 | $type = \"t\"; | |
639 | } | |
640 | else | |
641 | { | |
642 | $type = \"nil\" | |
643 | }; | |
644 | $uid = ($ARGV[1] eq \"integer\") ? $stat[4] : \"\\\"\" . getpwuid($stat[4]) . \"\\\"\"; | |
645 | $gid = ($ARGV[1] eq \"integer\") ? $stat[5] : \"\\\"\" . getgrgid($stat[5]) . \"\\\"\"; | |
646 | printf( | |
647 | \"(\\\"%%s\\\" %%s %%u %%s %%s (%%u %%u) (%%u %%u) (%%u %%u) %%u.0 %%u t (%%u . %%u) (%%u . %%u))\\n\", | |
648 | $filename, | |
649 | $type, | |
650 | $stat[3], | |
651 | $uid, | |
652 | $gid, | |
653 | $stat[8] >> 16 & 0xffff, | |
654 | $stat[8] & 0xffff, | |
655 | $stat[9] >> 16 & 0xffff, | |
656 | $stat[9] & 0xffff, | |
657 | $stat[10] >> 16 & 0xffff, | |
658 | $stat[10] & 0xffff, | |
659 | $stat[7], | |
660 | $stat[2], | |
661 | $stat[1] >> 16 & 0xffff, | |
662 | $stat[1] & 0xffff, | |
663 | $stat[0] >> 16 & 0xffff, | |
664 | $stat[0] & 0xffff); | |
665 | } | |
666 | printf(\")\\n\");' \"$1\" \"$2\" 2>/dev/null" | |
667 | "Perl script implementing `directory-files-attributes' as Lisp `read'able | |
668 | output. | |
669 | Escape sequence %s is replaced with name of Perl binary. | |
670 | This string is passed to `format', so percent characters need to be doubled.") | |
671 | ||
672 | ;; These two use base64 encoding. | |
673 | (defconst tramp-perl-encode-with-module | |
674 | "%s -MMIME::Base64 -0777 -ne 'print encode_base64($_)' 2>/dev/null" | |
675 | "Perl program to use for encoding a file. | |
676 | Escape sequence %s is replaced with name of Perl binary. | |
677 | This string is passed to `format', so percent characters need to be doubled. | |
678 | This implementation requires the MIME::Base64 Perl module to be installed | |
679 | on the remote host.") | |
680 | ||
681 | (defconst tramp-perl-decode-with-module | |
682 | "%s -MMIME::Base64 -0777 -ne 'print decode_base64($_)' 2>/dev/null" | |
683 | "Perl program to use for decoding a file. | |
684 | Escape sequence %s is replaced with name of Perl binary. | |
685 | This string is passed to `format', so percent characters need to be doubled. | |
686 | This implementation requires the MIME::Base64 Perl module to be installed | |
687 | on the remote host.") | |
688 | ||
689 | (defconst tramp-perl-encode | |
690 | "%s -e ' | |
691 | # This script contributed by Juanma Barranquero <lektu@terra.es>. | |
6bc383b1 | 692 | # Copyright (C) 2002-2014 Free Software Foundation, Inc. |
03c1ad43 MA |
693 | use strict; |
694 | ||
695 | my %%trans = do { | |
696 | my $i = 0; | |
697 | map {(substr(unpack(q(B8), chr $i++), 2, 6), $_)} | |
698 | split //, q(ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/); | |
699 | }; | |
c2f5b60a | 700 | my $data; |
03c1ad43 MA |
701 | |
702 | # We read in chunks of 54 bytes, to generate output lines | |
703 | # of 72 chars (plus end of line) | |
c2f5b60a | 704 | while (read STDIN, $data, 54) { |
03c1ad43 MA |
705 | my $pad = q(); |
706 | ||
707 | # Only for the last chunk, and only if did not fill the last three-byte packet | |
708 | if (eof) { | |
709 | my $mod = length($data) %% 3; | |
710 | $pad = q(=) x (3 - $mod) if $mod; | |
711 | } | |
712 | ||
713 | # Not the fastest method, but it is simple: unpack to binary string, split | |
714 | # by groups of 6 bits and convert back from binary to byte; then map into | |
715 | # the translation table | |
716 | ||
717 | join q(), | |
718 | map($trans{$_}, | |
719 | (substr(unpack(q(B*), $data) . q(00000), 0, 432) =~ /....../g)), | |
720 | $pad, | |
721 | qq(\\n); | |
722 | }' 2>/dev/null" | |
723 | "Perl program to use for encoding a file. | |
724 | Escape sequence %s is replaced with name of Perl binary. | |
725 | This string is passed to `format', so percent characters need to be doubled.") | |
726 | ||
727 | (defconst tramp-perl-decode | |
728 | "%s -e ' | |
729 | # This script contributed by Juanma Barranquero <lektu@terra.es>. | |
6bc383b1 | 730 | # Copyright (C) 2002-2014 Free Software Foundation, Inc. |
03c1ad43 MA |
731 | use strict; |
732 | ||
733 | my %%trans = do { | |
734 | my $i = 0; | |
735 | map {($_, substr(unpack(q(B8), chr $i++), 2, 6))} | |
736 | split //, q(ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/) | |
737 | }; | |
738 | ||
739 | my %%bytes = map {(unpack(q(B8), chr $_), chr $_)} 0 .. 255; | |
740 | ||
741 | binmode(\\*STDOUT); | |
742 | ||
743 | # We are going to accumulate into $pending to accept any line length | |
744 | # (we do not check they are <= 76 chars as the RFC says) | |
745 | my $pending = q(); | |
746 | ||
747 | while (my $data = <STDIN>) { | |
748 | chomp $data; | |
749 | ||
750 | # If we find one or two =, we have reached the end and | |
751 | # any following data is to be discarded | |
752 | my $finished = $data =~ s/(==?).*/$1/; | |
753 | $pending .= $data; | |
754 | ||
755 | my $len = length($pending); | |
756 | my $chunk = substr($pending, 0, $len & ~3); | |
757 | $pending = substr($pending, $len & ~3 + 1); | |
758 | ||
759 | # Easy method: translate from chars to (pregenerated) six-bit packets, join, | |
760 | # split in 8-bit chunks and convert back to char. | |
761 | print join q(), | |
762 | map $bytes{$_}, | |
763 | ((join q(), map {$trans{$_} || q()} split //, $chunk) =~ /......../g); | |
764 | ||
765 | last if $finished; | |
766 | }' 2>/dev/null" | |
767 | "Perl program to use for decoding a file. | |
768 | Escape sequence %s is replaced with name of Perl binary. | |
769 | This string is passed to `format', so percent characters need to be doubled.") | |
770 | ||
d0853629 MA |
771 | (defconst tramp-perl-pack |
772 | "%s -e 'binmode STDIN; binmode STDOUT; print pack(q{u*}, join q{}, <>)'" | |
773 | "Perl program to use for encoding a file. | |
774 | Escape sequence %s is replaced with name of Perl binary.") | |
775 | ||
776 | (defconst tramp-perl-unpack | |
777 | "%s -e 'binmode STDIN; binmode STDOUT; print unpack(q{u*}, join q{}, <>)'" | |
778 | "Perl program to use for decoding a file. | |
779 | Escape sequence %s is replaced with name of Perl binary.") | |
780 | ||
03c1ad43 MA |
781 | (defconst tramp-vc-registered-read-file-names |
782 | "echo \"(\" | |
783 | while read file; do | |
784 | if %s \"$file\"; then | |
785 | echo \"(\\\"$file\\\" \\\"file-exists-p\\\" t)\" | |
786 | else | |
787 | echo \"(\\\"$file\\\" \\\"file-exists-p\\\" nil)\" | |
788 | fi | |
789 | if %s \"$file\"; then | |
790 | echo \"(\\\"$file\\\" \\\"file-readable-p\\\" t)\" | |
791 | else | |
792 | echo \"(\\\"$file\\\" \\\"file-readable-p\\\" nil)\" | |
793 | fi | |
794 | done | |
795 | echo \")\"" | |
796 | "Script to check existence of VC related files. | |
797 | It must be send formatted with two strings; the tests for file | |
798 | existence, and file readability. Input shall be read via | |
799 | here-document, otherwise the command could exceed maximum length | |
800 | of command line.") | |
801 | ||
a43dc424 | 802 | ;; New handlers should be added here. |
03c1ad43 | 803 | (defconst tramp-sh-file-name-handler-alist |
a43dc424 | 804 | '(;; `access-file' performed by default handler. |
4a93e698 | 805 | (add-name-to-file . tramp-sh-handle-add-name-to-file) |
a43dc424 | 806 | ;; `byte-compiler-base-file-name' performed by default handler. |
4a93e698 | 807 | (copy-directory . tramp-sh-handle-copy-directory) |
a43dc424 | 808 | (copy-file . tramp-sh-handle-copy-file) |
4a93e698 MA |
809 | (delete-directory . tramp-sh-handle-delete-directory) |
810 | (delete-file . tramp-sh-handle-delete-file) | |
a43dc424 | 811 | ;; `diff-latest-backup-file' performed by default handler. |
03c1ad43 | 812 | (directory-file-name . tramp-handle-directory-file-name) |
a43dc424 MA |
813 | (directory-files . tramp-handle-directory-files) |
814 | (directory-files-and-attributes | |
815 | . tramp-sh-handle-directory-files-and-attributes) | |
816 | ;; `dired-call-process' performed by default handler. | |
817 | (dired-compress-file . tramp-sh-handle-dired-compress-file) | |
818 | (dired-recursive-delete-directory | |
819 | . tramp-sh-handle-dired-recursive-delete-directory) | |
820 | (dired-uncache . tramp-handle-dired-uncache) | |
4a93e698 | 821 | (expand-file-name . tramp-sh-handle-expand-file-name) |
a43dc424 MA |
822 | (file-accessible-directory-p . tramp-handle-file-accessible-directory-p) |
823 | (file-acl . tramp-sh-handle-file-acl) | |
824 | (file-attributes . tramp-sh-handle-file-attributes) | |
825 | (file-directory-p . tramp-sh-handle-file-directory-p) | |
826 | ;; `file-equal-p' performed by default handler. | |
827 | (file-executable-p . tramp-sh-handle-file-executable-p) | |
828 | (file-exists-p . tramp-sh-handle-file-exists-p) | |
829 | ;; `file-in-directory-p' performed by default handler. | |
4a93e698 | 830 | (file-local-copy . tramp-sh-handle-file-local-copy) |
a43dc424 MA |
831 | (file-modes . tramp-handle-file-modes) |
832 | (file-name-all-completions . tramp-sh-handle-file-name-all-completions) | |
833 | (file-name-as-directory . tramp-handle-file-name-as-directory) | |
834 | (file-name-completion . tramp-handle-file-name-completion) | |
835 | (file-name-directory . tramp-handle-file-name-directory) | |
836 | (file-name-nondirectory . tramp-handle-file-name-nondirectory) | |
837 | ;; `file-name-sans-versions' performed by default handler. | |
838 | (file-newer-than-file-p . tramp-sh-handle-file-newer-than-file-p) | |
839 | (file-notify-add-watch . tramp-sh-handle-file-notify-add-watch) | |
840 | (file-notify-rm-watch . tramp-handle-file-notify-rm-watch) | |
841 | (file-ownership-preserved-p . tramp-sh-handle-file-ownership-preserved-p) | |
842 | (file-readable-p . tramp-sh-handle-file-readable-p) | |
843 | (file-regular-p . tramp-handle-file-regular-p) | |
03c1ad43 | 844 | (file-remote-p . tramp-handle-file-remote-p) |
a43dc424 MA |
845 | (file-selinux-context . tramp-sh-handle-file-selinux-context) |
846 | (file-symlink-p . tramp-handle-file-symlink-p) | |
847 | (file-truename . tramp-sh-handle-file-truename) | |
848 | (file-writable-p . tramp-sh-handle-file-writable-p) | |
849 | (find-backup-file-name . tramp-handle-find-backup-file-name) | |
850 | ;; `find-file-noselect' performed by default handler. | |
851 | ;; `get-file-buffer' performed by default handler. | |
852 | (insert-directory . tramp-sh-handle-insert-directory) | |
03c1ad43 MA |
853 | (insert-file-contents . tramp-handle-insert-file-contents) |
854 | (insert-file-contents-literally | |
4a93e698 | 855 | . tramp-sh-handle-insert-file-contents-literally) |
a43dc424 | 856 | (load . tramp-handle-load) |
af9ff9e8 | 857 | (make-auto-save-file-name . tramp-handle-make-auto-save-file-name) |
a43dc424 MA |
858 | (make-directory . tramp-sh-handle-make-directory) |
859 | (make-symbolic-link . tramp-sh-handle-make-symbolic-link) | |
860 | (process-file . tramp-sh-handle-process-file) | |
861 | (rename-file . tramp-sh-handle-rename-file) | |
53b6a8b1 | 862 | (set-file-acl . tramp-sh-handle-set-file-acl) |
a43dc424 MA |
863 | (set-file-modes . tramp-sh-handle-set-file-modes) |
864 | (set-file-selinux-context . tramp-sh-handle-set-file-selinux-context) | |
865 | (set-file-times . tramp-sh-handle-set-file-times) | |
866 | (set-visited-file-modtime . tramp-sh-handle-set-visited-file-modtime) | |
867 | (shell-command . tramp-handle-shell-command) | |
868 | (start-file-process . tramp-sh-handle-start-file-process) | |
869 | (substitute-in-file-name . tramp-handle-substitute-in-file-name) | |
870 | (unhandled-file-name-directory . tramp-handle-unhandled-file-name-directory) | |
864c58ca | 871 | (vc-registered . tramp-sh-handle-vc-registered) |
a43dc424 MA |
872 | (verify-visited-file-modtime . tramp-sh-handle-verify-visited-file-modtime) |
873 | (write-region . tramp-sh-handle-write-region)) | |
03c1ad43 MA |
874 | "Alist of handler functions. |
875 | Operations not mentioned here will be handled by the normal Emacs functions.") | |
876 | ||
877 | ;; This must be the last entry, because `identity' always matches. | |
878 | ;;;###tramp-autoload | |
879 | (add-to-list 'tramp-foreign-file-name-handler-alist | |
880 | '(identity . tramp-sh-file-name-handler) 'append) | |
881 | ||
882 | ;;; File Name Handler Functions: | |
883 | ||
4a93e698 | 884 | (defun tramp-sh-handle-make-symbolic-link |
03c1ad43 MA |
885 | (filename linkname &optional ok-if-already-exists) |
886 | "Like `make-symbolic-link' for Tramp files. | |
887 | If LINKNAME is a non-Tramp file, it is used verbatim as the target of | |
888 | the symlink. If LINKNAME is a Tramp file, only the localname component is | |
889 | used as the target of the symlink. | |
890 | ||
891 | If LINKNAME is a Tramp file and the localname component is relative, then | |
892 | it is expanded first, before the localname component is taken. Note that | |
893 | this can give surprising results if the user/host for the source and | |
894 | target of the symlink differ." | |
895 | (with-parsed-tramp-file-name linkname l | |
896 | (let ((ln (tramp-get-remote-ln l)) | |
897 | (cwd (tramp-run-real-handler | |
898 | 'file-name-directory (list l-localname)))) | |
899 | (unless ln | |
900 | (tramp-error | |
901 | l 'file-error | |
902 | "Making a symbolic link. ln(1) does not exist on the remote host.")) | |
903 | ||
904 | ;; Do the 'confirm if exists' thing. | |
905 | (when (file-exists-p linkname) | |
906 | ;; What to do? | |
907 | (if (or (null ok-if-already-exists) ; not allowed to exist | |
908 | (and (numberp ok-if-already-exists) | |
909 | (not (yes-or-no-p | |
910 | (format | |
911 | "File %s already exists; make it a link anyway? " | |
912 | l-localname))))) | |
913 | (tramp-error | |
914 | l 'file-already-exists "File %s already exists" l-localname) | |
915 | (delete-file linkname))) | |
916 | ||
917 | ;; If FILENAME is a Tramp name, use just the localname component. | |
918 | (when (tramp-tramp-file-p filename) | |
919 | (setq filename | |
920 | (tramp-file-name-localname | |
921 | (tramp-dissect-file-name (expand-file-name filename))))) | |
922 | ||
923 | (tramp-flush-file-property l (file-name-directory l-localname)) | |
924 | (tramp-flush-file-property l l-localname) | |
925 | ||
6bdac736 MA |
926 | ;; Right, they are on the same host, regardless of user, method, |
927 | ;; etc. We now make the link on the remote machine. This will | |
928 | ;; occur as the user that FILENAME belongs to. | |
03c1ad43 MA |
929 | (tramp-send-command-and-check |
930 | l | |
931 | (format | |
932 | "cd %s && %s -sf %s %s" | |
933 | (tramp-shell-quote-argument cwd) | |
934 | ln | |
935 | (tramp-shell-quote-argument filename) | |
936 | (tramp-shell-quote-argument l-localname)) | |
937 | t)))) | |
938 | ||
5d89d9d2 | 939 | (defun tramp-sh-handle-file-truename (filename) |
03c1ad43 MA |
940 | "Like `file-truename' for Tramp files." |
941 | (with-parsed-tramp-file-name (expand-file-name filename) nil | |
d0c8fc8a | 942 | (tramp-make-tramp-file-name method user host |
1d51f99c | 943 | (with-tramp-file-property v localname "file-truename" |
d0c8fc8a MA |
944 | (let ((result nil)) ; result steps in reverse order |
945 | (tramp-message v 4 "Finding true name for `%s'" filename) | |
946 | (cond | |
947 | ;; Use GNU readlink --canonicalize-missing where available. | |
948 | ((tramp-get-remote-readlink v) | |
949 | (setq result | |
950 | (tramp-send-command-and-read | |
951 | v | |
952 | (format "echo \"\\\"`%s --canonicalize-missing %s`\\\"\"" | |
953 | (tramp-get-remote-readlink v) | |
954 | (tramp-shell-quote-argument localname))))) | |
955 | ||
956 | ;; Use Perl implementation. | |
957 | ((and (tramp-get-remote-perl v) | |
958 | (tramp-get-connection-property v "perl-file-spec" nil) | |
959 | (tramp-get-connection-property v "perl-cwd-realpath" nil)) | |
960 | (tramp-maybe-send-script | |
961 | v tramp-perl-file-truename "tramp_perl_file_truename") | |
962 | (setq result | |
963 | (tramp-send-command-and-read | |
964 | v | |
965 | (format "tramp_perl_file_truename %s" | |
966 | (tramp-shell-quote-argument localname))))) | |
967 | ||
968 | ;; Do it yourself. We bind `directory-sep-char' here for | |
969 | ;; XEmacs on Windows, which would otherwise use backslash. | |
970 | (t (let* ((directory-sep-char ?/) | |
971 | (steps (tramp-compat-split-string localname "/")) | |
972 | (localnamedir (tramp-run-real-handler | |
973 | 'file-name-as-directory (list localname))) | |
974 | (is-dir (string= localname localnamedir)) | |
975 | (thisstep nil) | |
976 | (numchase 0) | |
977 | ;; Don't make the following value larger than | |
978 | ;; necessary. People expect an error message in | |
979 | ;; a timely fashion when something is wrong; | |
980 | ;; otherwise they might think that Emacs is hung. | |
981 | ;; Of course, correctness has to come first. | |
982 | (numchase-limit 20) | |
983 | symlink-target) | |
984 | (while (and steps (< numchase numchase-limit)) | |
985 | (setq thisstep (pop steps)) | |
986 | (tramp-message | |
987 | v 5 "Check %s" | |
988 | (mapconcat 'identity | |
989 | (append '("") (reverse result) (list thisstep)) | |
990 | "/")) | |
991 | (setq symlink-target | |
992 | (nth 0 (file-attributes | |
993 | (tramp-make-tramp-file-name | |
994 | method user host | |
995 | (mapconcat 'identity | |
996 | (append '("") | |
997 | (reverse result) | |
998 | (list thisstep)) | |
999 | "/"))))) | |
1000 | (cond ((string= "." thisstep) | |
1001 | (tramp-message v 5 "Ignoring step `.'")) | |
1002 | ((string= ".." thisstep) | |
1003 | (tramp-message v 5 "Processing step `..'") | |
1004 | (pop result)) | |
1005 | ((stringp symlink-target) | |
1006 | ;; It's a symlink, follow it. | |
1007 | (tramp-message | |
1008 | v 5 "Follow symlink to %s" symlink-target) | |
1009 | (setq numchase (1+ numchase)) | |
1010 | (when (file-name-absolute-p symlink-target) | |
1011 | (setq result nil)) | |
1012 | ;; If the symlink was absolute, we'll get a | |
1013 | ;; string like "/user@host:/some/target"; | |
1014 | ;; extract the "/some/target" part from it. | |
1015 | (when (tramp-tramp-file-p symlink-target) | |
1016 | (unless (tramp-equal-remote filename symlink-target) | |
1017 | (tramp-error | |
1018 | v 'file-error | |
1019 | "Symlink target `%s' on wrong host" | |
1020 | symlink-target)) | |
1021 | (setq symlink-target localname)) | |
1022 | (setq steps | |
1023 | (append (tramp-compat-split-string | |
1024 | symlink-target "/") | |
1025 | steps))) | |
1026 | (t | |
1027 | ;; It's a file. | |
1028 | (setq result (cons thisstep result))))) | |
1029 | (when (>= numchase numchase-limit) | |
1030 | (tramp-error | |
1031 | v 'file-error | |
1032 | "Maximum number (%d) of symlinks exceeded" numchase-limit)) | |
1033 | (setq result (reverse result)) | |
1034 | ;; Combine list to form string. | |
1035 | (setq result | |
1036 | (if result | |
1037 | (mapconcat 'identity (cons "" result) "/") | |
1038 | "/")) | |
1039 | (when (and is-dir | |
1040 | (or (string= "" result) | |
1041 | (not (string= (substring result -1) "/")))) | |
1042 | (setq result (concat result "/")))))) | |
1043 | ||
1044 | (tramp-message v 4 "True name of `%s' is `%s'" localname result) | |
1045 | result))))) | |
03c1ad43 MA |
1046 | |
1047 | ;; Basic functions. | |
1048 | ||
4a93e698 | 1049 | (defun tramp-sh-handle-file-exists-p (filename) |
03c1ad43 MA |
1050 | "Like `file-exists-p' for Tramp files." |
1051 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1052 | (with-tramp-file-property v localname "file-exists-p" |
03c1ad43 MA |
1053 | (or (not (null (tramp-get-file-property |
1054 | v localname "file-attributes-integer" nil))) | |
1055 | (not (null (tramp-get-file-property | |
1056 | v localname "file-attributes-string" nil))) | |
1057 | (tramp-send-command-and-check | |
1058 | v | |
1059 | (format | |
1060 | "%s %s" | |
1061 | (tramp-get-file-exists-command v) | |
1062 | (tramp-shell-quote-argument localname))))))) | |
1063 | ||
4a93e698 | 1064 | (defun tramp-sh-handle-file-attributes (filename &optional id-format) |
03c1ad43 MA |
1065 | "Like `file-attributes' for Tramp files." |
1066 | (unless id-format (setq id-format 'integer)) | |
1067 | ;; Don't modify `last-coding-system-used' by accident. | |
1068 | (let ((last-coding-system-used last-coding-system-used)) | |
1069 | (with-parsed-tramp-file-name (expand-file-name filename) nil | |
1d51f99c MA |
1070 | (with-tramp-file-property |
1071 | v localname (format "file-attributes-%s" id-format) | |
03c1ad43 MA |
1072 | (save-excursion |
1073 | (tramp-convert-file-attributes | |
1074 | v | |
f42efeb5 MA |
1075 | (or |
1076 | (cond | |
1077 | ((tramp-get-remote-stat v) | |
1078 | (tramp-do-file-attributes-with-stat v localname id-format)) | |
1079 | ((tramp-get-remote-perl v) | |
1080 | (tramp-do-file-attributes-with-perl v localname id-format)) | |
1081 | (t nil)) | |
1082 | ;; The scripts could fail, for example with huge file size. | |
1083 | (tramp-do-file-attributes-with-ls v localname id-format)))))))) | |
03c1ad43 MA |
1084 | |
1085 | (defun tramp-do-file-attributes-with-ls (vec localname &optional id-format) | |
1086 | "Implement `file-attributes' for Tramp files using the ls(1) command." | |
1087 | (let (symlinkp dirp | |
1088 | res-inode res-filemodes res-numlinks | |
1089 | res-uid res-gid res-size res-symlink-target) | |
1090 | (tramp-message vec 5 "file attributes with ls: %s" localname) | |
1091 | (tramp-send-command | |
1092 | vec | |
1093 | (format "(%s %s || %s -h %s) && %s %s %s" | |
1094 | (tramp-get-file-exists-command vec) | |
1095 | (tramp-shell-quote-argument localname) | |
1096 | (tramp-get-test-command vec) | |
1097 | (tramp-shell-quote-argument localname) | |
1098 | (tramp-get-ls-command vec) | |
1099 | (if (eq id-format 'integer) "-ildn" "-ild") | |
1100 | (tramp-shell-quote-argument localname))) | |
1101 | ;; parse `ls -l' output ... | |
1102 | (with-current-buffer (tramp-get-buffer vec) | |
1103 | (when (> (buffer-size) 0) | |
1104 | (goto-char (point-min)) | |
1105 | ;; ... inode | |
1106 | (setq res-inode | |
1107 | (condition-case err | |
1108 | (read (current-buffer)) | |
1109 | (invalid-read-syntax | |
1110 | (when (and (equal (cadr err) | |
1111 | "Integer constant overflow in reader") | |
1112 | (string-match | |
1113 | "^[0-9]+\\([0-9][0-9][0-9][0-9][0-9]\\)\\'" | |
1114 | (car (cddr err)))) | |
1115 | (let* ((big (read (substring (car (cddr err)) 0 | |
1116 | (match-beginning 1)))) | |
1117 | (small (read (match-string 1 (car (cddr err))))) | |
1118 | (twiddle (/ small 65536))) | |
1119 | (cons (+ big twiddle) | |
1120 | (- small (* twiddle 65536)))))))) | |
1121 | ;; ... file mode flags | |
1122 | (setq res-filemodes (symbol-name (read (current-buffer)))) | |
1123 | ;; ... number links | |
1124 | (setq res-numlinks (read (current-buffer))) | |
1125 | ;; ... uid and gid | |
1126 | (setq res-uid (read (current-buffer))) | |
1127 | (setq res-gid (read (current-buffer))) | |
1128 | (if (eq id-format 'integer) | |
1129 | (progn | |
1130 | (unless (numberp res-uid) (setq res-uid -1)) | |
1131 | (unless (numberp res-gid) (setq res-gid -1))) | |
1132 | (progn | |
1133 | (unless (stringp res-uid) (setq res-uid (symbol-name res-uid))) | |
1134 | (unless (stringp res-gid) (setq res-gid (symbol-name res-gid))))) | |
1135 | ;; ... size | |
1136 | (setq res-size (read (current-buffer))) | |
1137 | ;; From the file modes, figure out other stuff. | |
1138 | (setq symlinkp (eq ?l (aref res-filemodes 0))) | |
1139 | (setq dirp (eq ?d (aref res-filemodes 0))) | |
1140 | ;; if symlink, find out file name pointed to | |
1141 | (when symlinkp | |
1142 | (search-forward "-> ") | |
6e060cee | 1143 | (setq res-symlink-target (buffer-substring (point) (point-at-eol)))) |
03c1ad43 MA |
1144 | ;; return data gathered |
1145 | (list | |
1146 | ;; 0. t for directory, string (name linked to) for symbolic | |
1147 | ;; link, or nil. | |
1148 | (or dirp res-symlink-target) | |
1149 | ;; 1. Number of links to file. | |
1150 | res-numlinks | |
1151 | ;; 2. File uid. | |
1152 | res-uid | |
1153 | ;; 3. File gid. | |
1154 | res-gid | |
d7f2a65c MA |
1155 | ;; 4. Last access time, as a list of integers. Normally this |
1156 | ;; would be in the same format as `current-time', but the | |
1157 | ;; subseconds part is not currently implemented, and (0 0) | |
1158 | ;; denotes an unknown time. | |
03c1ad43 MA |
1159 | ;; 5. Last modification time, likewise. |
1160 | ;; 6. Last status change time, likewise. | |
535efd4a | 1161 | '(0 0) '(0 0) '(0 0) ;CCC how to find out? |
03c1ad43 MA |
1162 | ;; 7. Size in bytes (-1, if number is out of range). |
1163 | res-size | |
1164 | ;; 8. File modes, as a string of ten letters or dashes as in ls -l. | |
1165 | res-filemodes | |
1166 | ;; 9. t if file's gid would change if file were deleted and | |
1167 | ;; recreated. Will be set in `tramp-convert-file-attributes' | |
1168 | t | |
1169 | ;; 10. inode number. | |
1170 | res-inode | |
1171 | ;; 11. Device number. Will be replaced by a virtual device number. | |
1172 | -1 | |
1173 | ))))) | |
1174 | ||
1175 | (defun tramp-do-file-attributes-with-perl | |
1176 | (vec localname &optional id-format) | |
1177 | "Implement `file-attributes' for Tramp files using a Perl script." | |
1178 | (tramp-message vec 5 "file attributes with perl: %s" localname) | |
1179 | (tramp-maybe-send-script | |
1180 | vec tramp-perl-file-attributes "tramp_perl_file_attributes") | |
1181 | (tramp-send-command-and-read | |
1182 | vec | |
1183 | (format "tramp_perl_file_attributes %s %s" | |
1184 | (tramp-shell-quote-argument localname) id-format))) | |
1185 | ||
1186 | (defun tramp-do-file-attributes-with-stat | |
1187 | (vec localname &optional id-format) | |
1188 | "Implement `file-attributes' for Tramp files using stat(1) command." | |
1189 | (tramp-message vec 5 "file attributes with stat: %s" localname) | |
1190 | (tramp-send-command-and-read | |
1191 | vec | |
1192 | (format | |
1193 | ;; On Opsware, pdksh (which is the true name of ksh there) doesn't | |
1194 | ;; parse correctly the sequence "((". Therefore, we add a space. | |
01d884cf | 1195 | "( (%s %s || %s -h %s) && %s -c '((\"%%N\") %%h %s %s %%Xe0 %%Ye0 %%Ze0 %%se0 \"%%A\" t %%ie0 -1)' %s || echo nil)" |
03c1ad43 MA |
1196 | (tramp-get-file-exists-command vec) |
1197 | (tramp-shell-quote-argument localname) | |
1198 | (tramp-get-test-command vec) | |
1199 | (tramp-shell-quote-argument localname) | |
1200 | (tramp-get-remote-stat vec) | |
2fe4b125 MA |
1201 | (if (eq id-format 'integer) "%ue0" "\"%U\"") |
1202 | (if (eq id-format 'integer) "%ge0" "\"%G\"") | |
03c1ad43 MA |
1203 | (tramp-shell-quote-argument localname)))) |
1204 | ||
4a93e698 | 1205 | (defun tramp-sh-handle-set-visited-file-modtime (&optional time-list) |
03c1ad43 MA |
1206 | "Like `set-visited-file-modtime' for Tramp files." |
1207 | (unless (buffer-file-name) | |
1208 | (error "Can't set-visited-file-modtime: buffer `%s' not visiting a file" | |
1209 | (buffer-name))) | |
1210 | (if time-list | |
1211 | (tramp-run-real-handler 'set-visited-file-modtime (list time-list)) | |
1212 | (let ((f (buffer-file-name)) | |
1213 | coding-system-used) | |
1214 | (with-parsed-tramp-file-name f nil | |
5870b2b1 MA |
1215 | (let* ((remote-file-name-inhibit-cache t) |
1216 | (attr (file-attributes f)) | |
03c1ad43 MA |
1217 | ;; '(-1 65535) means file doesn't exists yet. |
1218 | (modtime (or (nth 5 attr) '(-1 65535)))) | |
1219 | (when (boundp 'last-coding-system-used) | |
1220 | (setq coding-system-used (symbol-value 'last-coding-system-used))) | |
1221 | ;; We use '(0 0) as a don't-know value. See also | |
1222 | ;; `tramp-do-file-attributes-with-ls'. | |
1223 | (if (not (equal modtime '(0 0))) | |
1224 | (tramp-run-real-handler 'set-visited-file-modtime (list modtime)) | |
1225 | (progn | |
1226 | (tramp-send-command | |
1227 | v | |
1228 | (format "%s -ild %s" | |
1229 | (tramp-get-ls-command v) | |
1230 | (tramp-shell-quote-argument localname))) | |
1231 | (setq attr (buffer-substring (point) | |
1232 | (progn (end-of-line) (point))))) | |
1233 | (tramp-set-file-property | |
1234 | v localname "visited-file-modtime-ild" attr)) | |
1235 | (when (boundp 'last-coding-system-used) | |
1236 | (set 'last-coding-system-used coding-system-used)) | |
1237 | nil))))) | |
1238 | ||
1239 | ;; This function makes the same assumption as | |
4a93e698 | 1240 | ;; `tramp-sh-handle-set-visited-file-modtime'. |
df54bcbd | 1241 | (defun tramp-sh-handle-verify-visited-file-modtime (&optional buf) |
03c1ad43 MA |
1242 | "Like `verify-visited-file-modtime' for Tramp files. |
1243 | At the time `verify-visited-file-modtime' calls this function, we | |
1244 | already know that the buffer is visiting a file and that | |
1245 | `visited-file-modtime' does not return 0. Do not call this | |
1246 | function directly, unless those two cases are already taken care | |
1247 | of." | |
df54bcbd | 1248 | (with-current-buffer (or buf (current-buffer)) |
03c1ad43 MA |
1249 | (let ((f (buffer-file-name))) |
1250 | ;; There is no file visiting the buffer, or the buffer has no | |
1251 | ;; recorded last modification time, or there is no established | |
1252 | ;; connection. | |
1253 | (if (or (not f) | |
1254 | (eq (visited-file-modtime) 0) | |
1255 | (not (tramp-file-name-handler 'file-remote-p f nil 'connected))) | |
1256 | t | |
1257 | (with-parsed-tramp-file-name f nil | |
4bc3c53d MA |
1258 | (let* ((remote-file-name-inhibit-cache t) |
1259 | (attr (file-attributes f)) | |
03c1ad43 MA |
1260 | (modtime (nth 5 attr)) |
1261 | (mt (visited-file-modtime))) | |
1262 | ||
1263 | (cond | |
1264 | ;; File exists, and has a known modtime. | |
1265 | ((and attr (not (equal modtime '(0 0)))) | |
1266 | (< (abs (tramp-time-diff | |
1267 | modtime | |
1268 | ;; For compatibility, deal with both the old | |
1269 | ;; (HIGH . LOW) and the new (HIGH LOW) return | |
1270 | ;; values of `visited-file-modtime'. | |
1271 | (if (atom (cdr mt)) | |
1272 | (list (car mt) (cdr mt)) | |
1273 | mt))) | |
1274 | 2)) | |
1275 | ;; Modtime has the don't know value. | |
1276 | (attr | |
1277 | (tramp-send-command | |
1278 | v | |
1279 | (format "%s -ild %s" | |
1280 | (tramp-get-ls-command v) | |
1281 | (tramp-shell-quote-argument localname))) | |
1282 | (with-current-buffer (tramp-get-buffer v) | |
1283 | (setq attr (buffer-substring | |
1284 | (point) (progn (end-of-line) (point))))) | |
1285 | (equal | |
1286 | attr | |
1287 | (tramp-get-file-property | |
1288 | v localname "visited-file-modtime-ild" ""))) | |
1289 | ;; If file does not exist, say it is not modified if and | |
1290 | ;; only if that agrees with the buffer's record. | |
1291 | (t (equal mt '(-1 65535)))))))))) | |
1292 | ||
4a93e698 | 1293 | (defun tramp-sh-handle-set-file-modes (filename mode) |
03c1ad43 MA |
1294 | "Like `set-file-modes' for Tramp files." |
1295 | (with-parsed-tramp-file-name filename nil | |
1296 | (tramp-flush-file-property v localname) | |
1297 | ;; FIXME: extract the proper text from chmod's stderr. | |
1298 | (tramp-barf-unless-okay | |
1299 | v | |
1300 | (format "chmod %s %s" | |
1301 | (tramp-compat-decimal-to-octal mode) | |
1302 | (tramp-shell-quote-argument localname)) | |
1303 | "Error while changing file's mode %s" filename))) | |
1304 | ||
4a93e698 | 1305 | (defun tramp-sh-handle-set-file-times (filename &optional time) |
03c1ad43 | 1306 | "Like `set-file-times' for Tramp files." |
4c1f03ef | 1307 | (if (tramp-tramp-file-p filename) |
03c1ad43 | 1308 | (with-parsed-tramp-file-name filename nil |
50bfdd5d MA |
1309 | (when (tramp-get-remote-touch v) |
1310 | (tramp-flush-file-property v localname) | |
1311 | (let ((time (if (or (null time) (equal time '(0 0))) | |
1312 | (current-time) | |
1313 | time)) | |
1314 | ;; With GNU Emacs, `format-time-string' has an | |
1315 | ;; optional parameter UNIVERSAL. This is preferred, | |
1316 | ;; because we could handle the case when the remote | |
1317 | ;; host is located in a different time zone as the | |
1318 | ;; local host. | |
1319 | (utc (not (featurep 'xemacs)))) | |
1320 | (tramp-send-command-and-check | |
1321 | v (format | |
1322 | "%s %s %s %s" | |
1323 | (if utc "env TZ=UTC" "") | |
1324 | (tramp-get-remote-touch v) | |
1325 | (if (tramp-get-connection-property v "touch-t" nil) | |
1326 | (format "-t %s" | |
1327 | (if utc | |
1328 | (format-time-string "%Y%m%d%H%M.%S" time t) | |
1329 | (format-time-string "%Y%m%d%H%M.%S" time))) | |
1330 | "") | |
1331 | (tramp-shell-quote-argument localname)))))) | |
03c1ad43 MA |
1332 | |
1333 | ;; We handle also the local part, because in older Emacsen, | |
1334 | ;; without `set-file-times', this function is an alias for this. | |
1335 | ;; We are local, so we don't need the UTC settings. | |
1336 | (zerop | |
d0853629 | 1337 | (tramp-call-process |
03c1ad43 MA |
1338 | "touch" nil nil nil "-t" |
1339 | (format-time-string "%Y%m%d%H%M.%S" time) | |
1340 | (tramp-shell-quote-argument filename))))) | |
1341 | ||
1342 | (defun tramp-set-file-uid-gid (filename &optional uid gid) | |
1343 | "Set the ownership for FILENAME. | |
1344 | If UID and GID are provided, these values are used; otherwise uid | |
f99ced35 MA |
1345 | and gid of the corresponding user is taken. Both parameters must |
1346 | be non-negative integers." | |
03c1ad43 MA |
1347 | ;; Modern Unices allow chown only for root. So we might need |
1348 | ;; another implementation, see `dired-do-chown'. OTOH, it is mostly | |
1349 | ;; working with su(do)? when it is needed, so it shall succeed in | |
1350 | ;; the majority of cases. | |
1351 | ;; Don't modify `last-coding-system-used' by accident. | |
f99ced35 | 1352 | (let ((last-coding-system-used last-coding-system-used)) |
4c1f03ef | 1353 | (if (tramp-tramp-file-p filename) |
03c1ad43 MA |
1354 | (with-parsed-tramp-file-name filename nil |
1355 | (if (and (zerop (user-uid)) (tramp-local-host-p v)) | |
1356 | ;; If we are root on the local host, we can do it directly. | |
1357 | (tramp-set-file-uid-gid localname uid gid) | |
f99ced35 | 1358 | (let ((uid (or (and (natnump uid) uid) |
03c1ad43 | 1359 | (tramp-get-remote-uid v 'integer))) |
f99ced35 | 1360 | (gid (or (and (natnump gid) gid) |
03c1ad43 MA |
1361 | (tramp-get-remote-gid v 'integer)))) |
1362 | (tramp-send-command | |
1363 | v (format | |
1364 | "chown %d:%d %s" uid gid | |
1365 | (tramp-shell-quote-argument localname)))))) | |
1366 | ||
1367 | ;; We handle also the local part, because there doesn't exist | |
1368 | ;; `set-file-uid-gid'. On W32 "chown" might not work. | |
f99ced35 MA |
1369 | (let ((uid (or (and (natnump uid) uid) (tramp-get-local-uid 'integer))) |
1370 | (gid (or (and (natnump gid) gid) (tramp-get-local-gid 'integer)))) | |
d0853629 | 1371 | (tramp-call-process |
03c1ad43 MA |
1372 | "chown" nil nil nil |
1373 | (format "%d:%d" uid gid) (tramp-shell-quote-argument filename)))))) | |
1374 | ||
1375 | (defun tramp-remote-selinux-p (vec) | |
1376 | "Check, whether SELINUX is enabled on the remote host." | |
1d51f99c MA |
1377 | (with-tramp-connection-property |
1378 | (tramp-get-connection-process vec) "selinux-p" | |
03c1ad43 MA |
1379 | (let ((result (tramp-find-executable |
1380 | vec "getenforce" (tramp-get-remote-path vec) t t))) | |
1381 | (and result | |
1382 | (string-equal | |
1383 | (tramp-send-command-and-read | |
1384 | vec (format "echo \\\"`%S`\\\"" result)) | |
1385 | "Enforcing"))))) | |
1386 | ||
4a93e698 | 1387 | (defun tramp-sh-handle-file-selinux-context (filename) |
03c1ad43 MA |
1388 | "Like `file-selinux-context' for Tramp files." |
1389 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1390 | (with-tramp-file-property v localname "file-selinux-context" |
03c1ad43 MA |
1391 | (let ((context '(nil nil nil nil)) |
1392 | (regexp (concat "\\([a-z0-9_]+\\):" "\\([a-z0-9_]+\\):" | |
1393 | "\\([a-z0-9_]+\\):" "\\([a-z0-9_]+\\)"))) | |
1394 | (when (and (tramp-remote-selinux-p v) | |
1395 | (tramp-send-command-and-check | |
1396 | v (format | |
1397 | "%s -d -Z %s" | |
1398 | (tramp-get-ls-command v) | |
1399 | (tramp-shell-quote-argument localname)))) | |
1400 | (with-current-buffer (tramp-get-connection-buffer v) | |
1401 | (goto-char (point-min)) | |
6e060cee | 1402 | (when (re-search-forward regexp (point-at-eol) t) |
03c1ad43 MA |
1403 | (setq context (list (match-string 1) (match-string 2) |
1404 | (match-string 3) (match-string 4)))))) | |
1405 | ;; Return the context. | |
1406 | context)))) | |
1407 | ||
4a93e698 | 1408 | (defun tramp-sh-handle-set-file-selinux-context (filename context) |
03c1ad43 MA |
1409 | "Like `set-file-selinux-context' for Tramp files." |
1410 | (with-parsed-tramp-file-name filename nil | |
1411 | (if (and (consp context) | |
1412 | (tramp-remote-selinux-p v) | |
1413 | (tramp-send-command-and-check | |
1414 | v (format "chcon %s %s %s %s %s" | |
1415 | (if (stringp (nth 0 context)) | |
1416 | (format "--user=%s" (nth 0 context)) "") | |
1417 | (if (stringp (nth 1 context)) | |
1418 | (format "--role=%s" (nth 1 context)) "") | |
1419 | (if (stringp (nth 2 context)) | |
1420 | (format "--type=%s" (nth 2 context)) "") | |
1421 | (if (stringp (nth 3 context)) | |
1422 | (format "--range=%s" (nth 3 context)) "") | |
1423 | (tramp-shell-quote-argument localname)))) | |
4f752957 MA |
1424 | (progn |
1425 | (tramp-set-file-property v localname "file-selinux-context" context) | |
1426 | t) | |
1427 | (tramp-set-file-property v localname "file-selinux-context" 'undef) | |
1428 | nil))) | |
03c1ad43 | 1429 | |
53b6a8b1 MA |
1430 | (defun tramp-remote-acl-p (vec) |
1431 | "Check, whether ACL is enabled on the remote host." | |
1432 | (with-tramp-connection-property (tramp-get-connection-process vec) "acl-p" | |
1433 | (tramp-send-command-and-check vec "getfacl /"))) | |
1434 | ||
1435 | (defun tramp-sh-handle-file-acl (filename) | |
1436 | "Like `file-acl' for Tramp files." | |
1437 | (with-parsed-tramp-file-name filename nil | |
1438 | (with-tramp-file-property v localname "file-acl" | |
1439 | (when (and (tramp-remote-acl-p v) | |
1440 | (tramp-send-command-and-check | |
1441 | v (format | |
e1ffa412 | 1442 | "getfacl -ac %s 2>/dev/null" |
53b6a8b1 MA |
1443 | (tramp-shell-quote-argument localname)))) |
1444 | (with-current-buffer (tramp-get-connection-buffer v) | |
3c532af6 MA |
1445 | (goto-char (point-max)) |
1446 | (delete-blank-lines) | |
eff2eb58 | 1447 | (when (> (point-max) (point-min)) |
a36e2d26 MA |
1448 | (tramp-compat-funcall |
1449 | 'substring-no-properties (buffer-string)))))))) | |
53b6a8b1 MA |
1450 | |
1451 | (defun tramp-sh-handle-set-file-acl (filename acl-string) | |
1452 | "Like `set-file-acl' for Tramp files." | |
e1ffa412 MA |
1453 | (with-parsed-tramp-file-name (expand-file-name filename) nil |
1454 | (if (and (stringp acl-string) (tramp-remote-acl-p v) | |
1455 | (progn | |
1456 | (tramp-send-command | |
9a83b32b MA |
1457 | v (format "setfacl --set-file=- %s <<'%s'\n%s\n%s\n" |
1458 | (tramp-shell-quote-argument localname) | |
1459 | tramp-end-of-heredoc | |
1460 | acl-string | |
1461 | tramp-end-of-heredoc)) | |
e1ffa412 MA |
1462 | (tramp-send-command-and-check v nil))) |
1463 | ;; Success. | |
1464 | (progn | |
1465 | (tramp-set-file-property v localname "file-acl" acl-string) | |
1466 | t) | |
1467 | ;; In case of errors, we return `nil'. | |
1468 | (tramp-set-file-property v localname "file-acl-string" 'undef) | |
1469 | nil))) | |
53b6a8b1 | 1470 | |
03c1ad43 MA |
1471 | ;; Simple functions using the `test' command. |
1472 | ||
4a93e698 | 1473 | (defun tramp-sh-handle-file-executable-p (filename) |
03c1ad43 MA |
1474 | "Like `file-executable-p' for Tramp files." |
1475 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1476 | (with-tramp-file-property v localname "file-executable-p" |
03c1ad43 MA |
1477 | ;; Examine `file-attributes' cache to see if request can be |
1478 | ;; satisfied without remote operation. | |
1479 | (or (tramp-check-cached-permissions v ?x) | |
1480 | (tramp-run-test "-x" filename))))) | |
1481 | ||
4a93e698 | 1482 | (defun tramp-sh-handle-file-readable-p (filename) |
03c1ad43 MA |
1483 | "Like `file-readable-p' for Tramp files." |
1484 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1485 | (with-tramp-file-property v localname "file-readable-p" |
03c1ad43 MA |
1486 | ;; Examine `file-attributes' cache to see if request can be |
1487 | ;; satisfied without remote operation. | |
1488 | (or (tramp-check-cached-permissions v ?r) | |
1489 | (tramp-run-test "-r" filename))))) | |
1490 | ||
1491 | ;; When the remote shell is started, it looks for a shell which groks | |
1492 | ;; tilde expansion. Here, we assume that all shells which grok tilde | |
1493 | ;; expansion will also provide a `test' command which groks `-nt' (for | |
1494 | ;; newer than). If this breaks, tell me about it and I'll try to do | |
1495 | ;; something smarter about it. | |
4a93e698 | 1496 | (defun tramp-sh-handle-file-newer-than-file-p (file1 file2) |
03c1ad43 MA |
1497 | "Like `file-newer-than-file-p' for Tramp files." |
1498 | (cond ((not (file-exists-p file1)) | |
1499 | nil) | |
1500 | ((not (file-exists-p file2)) | |
1501 | t) | |
1502 | ;; We are sure both files exist at this point. | |
1503 | (t | |
1504 | (save-excursion | |
1505 | ;; We try to get the mtime of both files. If they are not | |
1506 | ;; equal to the "dont-know" value, then we subtract the times | |
1507 | ;; and obtain the result. | |
1508 | (let ((fa1 (file-attributes file1)) | |
1509 | (fa2 (file-attributes file2))) | |
1510 | (if (and (not (equal (nth 5 fa1) '(0 0))) | |
1511 | (not (equal (nth 5 fa2) '(0 0)))) | |
1512 | (> 0 (tramp-time-diff (nth 5 fa2) (nth 5 fa1))) | |
1513 | ;; If one of them is the dont-know value, then we can | |
1514 | ;; still try to run a shell command on the remote host. | |
1515 | ;; However, this only works if both files are Tramp | |
1516 | ;; files and both have the same method, same user, same | |
1517 | ;; host. | |
1518 | (unless (tramp-equal-remote file1 file2) | |
1519 | (with-parsed-tramp-file-name | |
1520 | (if (tramp-tramp-file-p file1) file1 file2) nil | |
1521 | (tramp-error | |
1522 | v 'file-error | |
1523 | "Files %s and %s must have same method, user, host" | |
1524 | file1 file2))) | |
1525 | (with-parsed-tramp-file-name file1 nil | |
1526 | (tramp-run-test2 | |
1527 | (tramp-get-test-nt-command v) file1 file2)))))))) | |
1528 | ||
1529 | ;; Functions implemented using the basic functions above. | |
1530 | ||
4a93e698 | 1531 | (defun tramp-sh-handle-file-directory-p (filename) |
03c1ad43 | 1532 | "Like `file-directory-p' for Tramp files." |
03c1ad43 | 1533 | (with-parsed-tramp-file-name filename nil |
3f04efd6 MA |
1534 | ;; `file-directory-p' is used as predicate for filename completion. |
1535 | ;; Sometimes, when a connection is not established yet, it is | |
1536 | ;; desirable to return t immediately for "/method:foo:". It can | |
1537 | ;; be expected that this is always a directory. | |
1538 | (or (zerop (length localname)) | |
1d51f99c | 1539 | (with-tramp-file-property v localname "file-directory-p" |
3f04efd6 | 1540 | (tramp-run-test "-d" filename))))) |
03c1ad43 | 1541 | |
4a93e698 | 1542 | (defun tramp-sh-handle-file-writable-p (filename) |
03c1ad43 MA |
1543 | "Like `file-writable-p' for Tramp files." |
1544 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1545 | (with-tramp-file-property v localname "file-writable-p" |
03c1ad43 MA |
1546 | (if (file-exists-p filename) |
1547 | ;; Examine `file-attributes' cache to see if request can be | |
1548 | ;; satisfied without remote operation. | |
1549 | (or (tramp-check-cached-permissions v ?w) | |
1550 | (tramp-run-test "-w" filename)) | |
1551 | ;; If file doesn't exist, check if directory is writable. | |
1552 | (and (tramp-run-test "-d" (file-name-directory filename)) | |
1553 | (tramp-run-test "-w" (file-name-directory filename))))))) | |
1554 | ||
97976f9f | 1555 | (defun tramp-sh-handle-file-ownership-preserved-p (filename &optional group) |
03c1ad43 MA |
1556 | "Like `file-ownership-preserved-p' for Tramp files." |
1557 | (with-parsed-tramp-file-name filename nil | |
1d51f99c | 1558 | (with-tramp-file-property v localname "file-ownership-preserved-p" |
03c1ad43 MA |
1559 | (let ((attributes (file-attributes filename))) |
1560 | ;; Return t if the file doesn't exist, since it's true that no | |
1561 | ;; information would be lost by an (attempted) delete and create. | |
1562 | (or (null attributes) | |
97976f9f PE |
1563 | (and |
1564 | (= (nth 2 attributes) (tramp-get-remote-uid v 'integer)) | |
1565 | (or (not group) | |
1566 | (= (nth 3 attributes) (tramp-get-remote-gid v 'integer))))))))) | |
03c1ad43 | 1567 | |
03c1ad43 MA |
1568 | ;; Directory listings. |
1569 | ||
4a93e698 | 1570 | (defun tramp-sh-handle-directory-files-and-attributes |
03c1ad43 MA |
1571 | (directory &optional full match nosort id-format) |
1572 | "Like `directory-files-and-attributes' for Tramp files." | |
50bfdd5d MA |
1573 | (if (with-parsed-tramp-file-name directory nil |
1574 | (not (or (tramp-get-remote-stat v) (tramp-get-remote-perl v)))) | |
1575 | (tramp-handle-directory-files-and-attributes | |
1576 | directory full match nosort id-format) | |
1577 | ||
1578 | ;; Do it directly. | |
1579 | (unless id-format (setq id-format 'integer)) | |
1580 | (when (file-directory-p directory) | |
1581 | (setq directory (expand-file-name directory)) | |
1582 | (let* ((temp | |
1583 | (copy-tree | |
1584 | (with-parsed-tramp-file-name directory nil | |
1585 | (with-tramp-file-property | |
1586 | v localname | |
1587 | (format "directory-files-and-attributes-%s" id-format) | |
1588 | (save-excursion | |
1589 | (mapcar | |
1590 | (lambda (x) | |
1591 | (cons (car x) | |
1592 | (tramp-convert-file-attributes v (cdr x)))) | |
1593 | (cond | |
1594 | ((tramp-get-remote-stat v) | |
1595 | (tramp-do-directory-files-and-attributes-with-stat | |
1596 | v localname id-format)) | |
1597 | ((tramp-get-remote-perl v) | |
1598 | (tramp-do-directory-files-and-attributes-with-perl | |
1599 | v localname id-format))))))))) | |
1600 | result item) | |
1601 | ||
1602 | (while temp | |
1603 | (setq item (pop temp)) | |
1604 | (when (or (null match) (string-match match (car item))) | |
1605 | (when full | |
1606 | (setcar item (expand-file-name (car item) directory))) | |
1607 | (push item result))) | |
1608 | ||
1609 | (if nosort | |
1610 | result | |
1611 | (sort result (lambda (x y) (string< (car x) (car y))))))))) | |
03c1ad43 MA |
1612 | |
1613 | (defun tramp-do-directory-files-and-attributes-with-perl | |
1614 | (vec localname &optional id-format) | |
1615 | "Implement `directory-files-and-attributes' for Tramp files using a Perl script." | |
1616 | (tramp-message vec 5 "directory-files-and-attributes with perl: %s" localname) | |
1617 | (tramp-maybe-send-script | |
1618 | vec tramp-perl-directory-files-and-attributes | |
1619 | "tramp_perl_directory_files_and_attributes") | |
1620 | (let ((object | |
1621 | (tramp-send-command-and-read | |
1622 | vec | |
1623 | (format "tramp_perl_directory_files_and_attributes %s %s" | |
1624 | (tramp-shell-quote-argument localname) id-format)))) | |
1625 | (when (stringp object) (tramp-error vec 'file-error object)) | |
1626 | object)) | |
1627 | ||
1628 | (defun tramp-do-directory-files-and-attributes-with-stat | |
1629 | (vec localname &optional id-format) | |
1630 | "Implement `directory-files-and-attributes' for Tramp files using stat(1) command." | |
1631 | (tramp-message vec 5 "directory-files-and-attributes with stat: %s" localname) | |
1632 | (tramp-send-command-and-read | |
1633 | vec | |
1634 | (format | |
1635 | (concat | |
1636 | ;; We must care about filenames with spaces, or starting with | |
1637 | ;; "-"; this would confuse xargs. "ls -aQ" might be a solution, | |
1638 | ;; but it does not work on all remote systems. Therefore, we | |
1639 | ;; quote the filenames via sed. | |
957b3189 MA |
1640 | "cd %s; echo \"(\"; (%s -a | sed -e s/\\$/\\\"/g -e s/^/\\\"/g | " |
1641 | "xargs %s -c " | |
1642 | "'(\"%%n\" (\"%%N\") %%h %s %s %%Xe0 %%Ye0 %%Ze0 %%se0 \"%%A\" t %%ie0 -1)'" | |
1643 | " 2>/dev/null); echo \")\"") | |
03c1ad43 MA |
1644 | (tramp-shell-quote-argument localname) |
1645 | (tramp-get-ls-command vec) | |
1646 | (tramp-get-remote-stat vec) | |
2fe4b125 MA |
1647 | (if (eq id-format 'integer) "%ue0" "\"%U\"") |
1648 | (if (eq id-format 'integer) "%ge0" "\"%G\"")))) | |
03c1ad43 MA |
1649 | |
1650 | ;; This function should return "foo/" for directories and "bar" for | |
1651 | ;; files. | |
4a93e698 | 1652 | (defun tramp-sh-handle-file-name-all-completions (filename directory) |
03c1ad43 MA |
1653 | "Like `file-name-all-completions' for Tramp files." |
1654 | (unless (save-match-data (string-match "/" filename)) | |
1655 | (with-parsed-tramp-file-name (expand-file-name directory) nil | |
1656 | ||
1657 | (all-completions | |
1658 | filename | |
1659 | (mapcar | |
1660 | 'list | |
1661 | (or | |
4bc3c53d MA |
1662 | ;; Try cache entries for filename, filename with last |
1663 | ;; character removed, filename with last two characters | |
1664 | ;; removed, ..., and finally the empty string - all | |
1665 | ;; concatenated to the local directory name. | |
1666 | (let ((remote-file-name-inhibit-cache | |
1667 | (or remote-file-name-inhibit-cache | |
1668 | tramp-completion-reread-directory-timeout))) | |
1669 | ||
1670 | ;; This is inefficient for very long filenames, pity | |
1671 | ;; `reduce' is not available... | |
1672 | (car | |
1673 | (apply | |
1674 | 'append | |
1675 | (mapcar | |
1676 | (lambda (x) | |
1677 | (let ((cache-hit | |
1678 | (tramp-get-file-property | |
1679 | v | |
1680 | (concat localname (substring filename 0 x)) | |
1681 | "file-name-all-completions" | |
1682 | nil))) | |
1683 | (when cache-hit (list cache-hit)))) | |
91683089 MA |
1684 | ;; We cannot use a length of 0, because file properties |
1685 | ;; for "foo" and "foo/" are identical. | |
1686 | (tramp-compat-number-sequence (length filename) 1 -1))))) | |
03c1ad43 MA |
1687 | |
1688 | ;; Cache expired or no matching cache entry found so we need | |
4bc3c53d | 1689 | ;; to perform a remote operation. |
03c1ad43 MA |
1690 | (let (result) |
1691 | ;; Get a list of directories and files, including reliably | |
1692 | ;; tagging the directories with a trailing '/'. Because I | |
1693 | ;; rock. --daniel@danann.net | |
1694 | ||
1695 | ;; Changed to perform `cd' in the same remote op and only | |
4bc3c53d | 1696 | ;; get entries starting with `filename'. Capture any `cd' |
03c1ad43 MA |
1697 | ;; error messages. Ensure any `cd' and `echo' aliases are |
1698 | ;; ignored. | |
1699 | (tramp-send-command | |
1700 | v | |
1701 | (if (tramp-get-remote-perl v) | |
1702 | (progn | |
1703 | (tramp-maybe-send-script | |
1704 | v tramp-perl-file-name-all-completions | |
1705 | "tramp_perl_file_name_all_completions") | |
1706 | (format "tramp_perl_file_name_all_completions %s %s %d" | |
1707 | (tramp-shell-quote-argument localname) | |
1708 | (tramp-shell-quote-argument filename) | |
1709 | (if (symbol-value | |
1710 | ;; `read-file-name-completion-ignore-case' | |
1711 | ;; is introduced with Emacs 22.1. | |
1712 | (if (boundp | |
1713 | 'read-file-name-completion-ignore-case) | |
1714 | 'read-file-name-completion-ignore-case | |
1715 | 'completion-ignore-case)) | |
1716 | 1 0))) | |
1717 | ||
1718 | (format (concat | |
1719 | "(\\cd %s 2>&1 && (%s %s -a 2>/dev/null" | |
1720 | ;; `ls' with wildcard might fail with `Argument | |
1721 | ;; list too long' error in some corner cases; if | |
1722 | ;; `ls' fails after `cd' succeeded, chances are | |
1723 | ;; that's the case, so let's retry without | |
1724 | ;; wildcard. This will return "too many" entries | |
1725 | ;; but that isn't harmful. | |
1726 | " || %s -a 2>/dev/null)" | |
1727 | " | while read f; do" | |
1728 | " if %s -d \"$f\" 2>/dev/null;" | |
1729 | " then \\echo \"$f/\"; else \\echo \"$f\"; fi; done" | |
1730 | " && \\echo ok) || \\echo fail") | |
1731 | (tramp-shell-quote-argument localname) | |
1732 | (tramp-get-ls-command v) | |
1733 | ;; When `filename' is empty, just `ls' without | |
1734 | ;; filename argument is more efficient than `ls *' | |
1735 | ;; for very large directories and might avoid the | |
1736 | ;; `Argument list too long' error. | |
1737 | ;; | |
1738 | ;; With and only with wildcard, we need to add | |
1739 | ;; `-d' to prevent `ls' from descending into | |
1740 | ;; sub-directories. | |
1741 | (if (zerop (length filename)) | |
1742 | "." | |
1743 | (concat (tramp-shell-quote-argument filename) "* -d")) | |
1744 | (tramp-get-ls-command v) | |
1745 | (tramp-get-test-command v)))) | |
1746 | ||
1747 | ;; Now grab the output. | |
1748 | (with-current-buffer (tramp-get-buffer v) | |
1749 | (goto-char (point-max)) | |
1750 | ||
91683089 | 1751 | ;; Check result code, found in last line of output. |
03c1ad43 MA |
1752 | (forward-line -1) |
1753 | (if (looking-at "^fail$") | |
1754 | (progn | |
1755 | ;; Grab error message from line before last line | |
91683089 | 1756 | ;; (it was put there by `cd 2>&1'). |
03c1ad43 MA |
1757 | (forward-line -1) |
1758 | (tramp-error | |
1759 | v 'file-error | |
4a93e698 | 1760 | "tramp-sh-handle-file-name-all-completions: %s" |
6e060cee | 1761 | (buffer-substring (point) (point-at-eol)))) |
03c1ad43 MA |
1762 | ;; For peace of mind, if buffer doesn't end in `fail' |
1763 | ;; then it should end in `ok'. If neither are in the | |
1764 | ;; buffer something went seriously wrong on the remote | |
1765 | ;; side. | |
1766 | (unless (looking-at "^ok$") | |
1767 | (tramp-error | |
1768 | v 'file-error | |
1769 | "\ | |
4a93e698 | 1770 | tramp-sh-handle-file-name-all-completions: internal error accessing `%s': `%s'" |
03c1ad43 MA |
1771 | (tramp-shell-quote-argument localname) (buffer-string)))) |
1772 | ||
1773 | (while (zerop (forward-line -1)) | |
6e060cee | 1774 | (push (buffer-substring (point) (point-at-eol)) result))) |
03c1ad43 MA |
1775 | |
1776 | ;; Because the remote op went through OK we know the | |
91683089 MA |
1777 | ;; directory we `cd'-ed to exists. |
1778 | (tramp-set-file-property v localname "file-exists-p" t) | |
03c1ad43 MA |
1779 | |
1780 | ;; Because the remote op went through OK we know every | |
1781 | ;; file listed by `ls' exists. | |
1782 | (mapc (lambda (entry) | |
1783 | (tramp-set-file-property | |
1784 | v (concat localname entry) "file-exists-p" t)) | |
1785 | result) | |
1786 | ||
91683089 | 1787 | ;; Store result in the cache. |
03c1ad43 MA |
1788 | (tramp-set-file-property |
1789 | v (concat localname filename) | |
91683089 | 1790 | "file-name-all-completions" result)))))))) |
03c1ad43 | 1791 | |
03c1ad43 MA |
1792 | ;; cp, mv and ln |
1793 | ||
4a93e698 | 1794 | (defun tramp-sh-handle-add-name-to-file |
03c1ad43 MA |
1795 | (filename newname &optional ok-if-already-exists) |
1796 | "Like `add-name-to-file' for Tramp files." | |
1797 | (unless (tramp-equal-remote filename newname) | |
1798 | (with-parsed-tramp-file-name | |
1799 | (if (tramp-tramp-file-p filename) filename newname) nil | |
1800 | (tramp-error | |
1801 | v 'file-error | |
1802 | "add-name-to-file: %s" | |
1803 | "only implemented for same method, same user, same host"))) | |
1804 | (with-parsed-tramp-file-name filename v1 | |
1805 | (with-parsed-tramp-file-name newname v2 | |
1806 | (let ((ln (when v1 (tramp-get-remote-ln v1)))) | |
15826261 | 1807 | (when (and (numberp ok-if-already-exists) |
03c1ad43 | 1808 | (file-exists-p newname) |
15826261 | 1809 | (yes-or-no-p |
03c1ad43 MA |
1810 | (format |
1811 | "File %s already exists; make it a new name anyway? " | |
1812 | newname))) | |
1813 | (tramp-error | |
15826261 MA |
1814 | v2 'file-error "add-name-to-file: file %s already exists" newname)) |
1815 | (when ok-if-already-exists (setq ln (concat ln " -f"))) | |
03c1ad43 MA |
1816 | (tramp-flush-file-property v2 (file-name-directory v2-localname)) |
1817 | (tramp-flush-file-property v2 v2-localname) | |
1818 | (tramp-barf-unless-okay | |
1819 | v1 | |
15826261 MA |
1820 | (format "%s %s %s" ln |
1821 | (tramp-shell-quote-argument v1-localname) | |
03c1ad43 MA |
1822 | (tramp-shell-quote-argument v2-localname)) |
1823 | "error with add-name-to-file, see buffer `%s' for details" | |
1824 | (buffer-name)))))) | |
1825 | ||
4a93e698 | 1826 | (defun tramp-sh-handle-copy-file |
03c1ad43 | 1827 | (filename newname &optional ok-if-already-exists keep-date |
53b6a8b1 | 1828 | preserve-uid-gid preserve-extended-attributes) |
03c1ad43 MA |
1829 | "Like `copy-file' for Tramp files." |
1830 | (setq filename (expand-file-name filename)) | |
1831 | (setq newname (expand-file-name newname)) | |
1832 | (cond | |
1833 | ;; At least one file a Tramp file? | |
1834 | ((or (tramp-tramp-file-p filename) | |
1835 | (tramp-tramp-file-p newname)) | |
1836 | (tramp-do-copy-or-rename-file | |
1837 | 'copy filename newname ok-if-already-exists keep-date | |
53b6a8b1 | 1838 | preserve-uid-gid preserve-extended-attributes)) |
03c1ad43 | 1839 | ;; Compat section. |
53b6a8b1 | 1840 | (preserve-extended-attributes |
03c1ad43 MA |
1841 | (tramp-run-real-handler |
1842 | 'copy-file | |
1843 | (list filename newname ok-if-already-exists keep-date | |
53b6a8b1 | 1844 | preserve-uid-gid preserve-extended-attributes))) |
03c1ad43 MA |
1845 | (preserve-uid-gid |
1846 | (tramp-run-real-handler | |
1847 | 'copy-file | |
1848 | (list filename newname ok-if-already-exists keep-date preserve-uid-gid))) | |
1849 | (t | |
1850 | (tramp-run-real-handler | |
1851 | 'copy-file (list filename newname ok-if-already-exists keep-date))))) | |
1852 | ||
4a93e698 | 1853 | (defun tramp-sh-handle-copy-directory |
4efc33f0 | 1854 | (dirname newname &optional keep-date parents copy-contents) |
03c1ad43 MA |
1855 | "Like `copy-directory' for Tramp files." |
1856 | (let ((t1 (tramp-tramp-file-p dirname)) | |
1857 | (t2 (tramp-tramp-file-p newname))) | |
1858 | (with-parsed-tramp-file-name (if t1 dirname newname) nil | |
4efc33f0 MA |
1859 | (if (and (not copy-contents) |
1860 | (tramp-get-method-parameter method 'tramp-copy-recursive) | |
03c1ad43 MA |
1861 | ;; When DIRNAME and NEWNAME are remote, they must have |
1862 | ;; the same method. | |
1863 | (or (null t1) (null t2) | |
1864 | (string-equal | |
1865 | (tramp-file-name-method (tramp-dissect-file-name dirname)) | |
4efc33f0 MA |
1866 | (tramp-file-name-method |
1867 | (tramp-dissect-file-name newname))))) | |
03c1ad43 MA |
1868 | ;; scp or rsync DTRT. |
1869 | (progn | |
1870 | (setq dirname (directory-file-name (expand-file-name dirname)) | |
1871 | newname (directory-file-name (expand-file-name newname))) | |
1872 | (if (and (file-directory-p newname) | |
1873 | (not (string-equal (file-name-nondirectory dirname) | |
1874 | (file-name-nondirectory newname)))) | |
1875 | (setq newname | |
1876 | (expand-file-name | |
1877 | (file-name-nondirectory dirname) newname))) | |
1878 | (if (not (file-directory-p (file-name-directory newname))) | |
1879 | (make-directory (file-name-directory newname) parents)) | |
1880 | (tramp-do-copy-or-rename-file-out-of-band | |
1881 | 'copy dirname newname keep-date)) | |
1882 | ;; We must do it file-wise. | |
1883 | (tramp-run-real-handler | |
4efc33f0 MA |
1884 | 'copy-directory |
1885 | (if copy-contents | |
1886 | (list dirname newname keep-date parents copy-contents) | |
1887 | (list dirname newname keep-date parents)))) | |
03c1ad43 MA |
1888 | |
1889 | ;; When newname did exist, we have wrong cached values. | |
1890 | (when t2 | |
1891 | (with-parsed-tramp-file-name newname nil | |
1892 | (tramp-flush-file-property v (file-name-directory localname)) | |
1893 | (tramp-flush-file-property v localname)))))) | |
1894 | ||
4a93e698 | 1895 | (defun tramp-sh-handle-rename-file |
03c1ad43 MA |
1896 | (filename newname &optional ok-if-already-exists) |
1897 | "Like `rename-file' for Tramp files." | |
1898 | ;; Check if both files are local -- invoke normal rename-file. | |
1899 | ;; Otherwise, use Tramp from local system. | |
1900 | (setq filename (expand-file-name filename)) | |
1901 | (setq newname (expand-file-name newname)) | |
1902 | ;; At least one file a Tramp file? | |
1903 | (if (or (tramp-tramp-file-p filename) | |
1904 | (tramp-tramp-file-p newname)) | |
1905 | (tramp-do-copy-or-rename-file | |
1906 | 'rename filename newname ok-if-already-exists t t) | |
1907 | (tramp-run-real-handler | |
1908 | 'rename-file (list filename newname ok-if-already-exists)))) | |
1909 | ||
1910 | (defun tramp-do-copy-or-rename-file | |
1911 | (op filename newname &optional ok-if-already-exists keep-date | |
53b6a8b1 | 1912 | preserve-uid-gid preserve-extended-attributes) |
03c1ad43 MA |
1913 | "Copy or rename a remote file. |
1914 | OP must be `copy' or `rename' and indicates the operation to perform. | |
1915 | FILENAME specifies the file to copy or rename, NEWNAME is the name of | |
1916 | the new file (for copy) or the new name of the file (for rename). | |
1917 | OK-IF-ALREADY-EXISTS means don't barf if NEWNAME exists already. | |
1918 | KEEP-DATE means to make sure that NEWNAME has the same timestamp | |
1919 | as FILENAME. PRESERVE-UID-GID, when non-nil, instructs to keep | |
1920 | the uid and gid if both files are on the same host. | |
53b6a8b1 | 1921 | PRESERVE-EXTENDED-ATTRIBUTES activates selinux and acl commands. |
03c1ad43 | 1922 | |
4a93e698 MA |
1923 | This function is invoked by `tramp-sh-handle-copy-file' and |
1924 | `tramp-sh-handle-rename-file'. It is an error if OP is neither | |
1925 | of `copy' and `rename'. FILENAME and NEWNAME must be absolute | |
1926 | file names." | |
03c1ad43 MA |
1927 | (unless (memq op '(copy rename)) |
1928 | (error "Unknown operation `%s', must be `copy' or `rename'" op)) | |
1929 | (let ((t1 (tramp-tramp-file-p filename)) | |
1930 | (t2 (tramp-tramp-file-p newname)) | |
d7f2a65c | 1931 | (length (nth 7 (file-attributes (file-truename filename)))) |
53b6a8b1 | 1932 | (attributes (and preserve-extended-attributes |
5d89d9d2 | 1933 | (apply 'file-extended-attributes (list filename))))) |
03c1ad43 MA |
1934 | |
1935 | (with-parsed-tramp-file-name (if t1 filename newname) nil | |
1936 | (when (and (not ok-if-already-exists) (file-exists-p newname)) | |
1937 | (tramp-error | |
1938 | v 'file-already-exists "File %s already exists" newname)) | |
1939 | ||
1d51f99c | 1940 | (with-tramp-progress-reporter |
03c1ad43 MA |
1941 | v 0 (format "%s %s to %s" |
1942 | (if (eq op 'copy) "Copying" "Renaming") | |
1943 | filename newname) | |
1944 | ||
1945 | (cond | |
1946 | ;; Both are Tramp files. | |
1947 | ((and t1 t2) | |
1948 | (with-parsed-tramp-file-name filename v1 | |
1949 | (with-parsed-tramp-file-name newname v2 | |
1950 | (cond | |
1951 | ;; Shortcut: if method, host, user are the same for | |
1952 | ;; both files, we invoke `cp' or `mv' on the remote | |
1953 | ;; host directly. | |
1954 | ((tramp-equal-remote filename newname) | |
1955 | (tramp-do-copy-or-rename-file-directly | |
1956 | op filename newname | |
1957 | ok-if-already-exists keep-date preserve-uid-gid)) | |
1958 | ||
1959 | ;; Try out-of-band operation. | |
d7f2a65c MA |
1960 | ((and |
1961 | (tramp-method-out-of-band-p v1 length) | |
1962 | (tramp-method-out-of-band-p v2 length)) | |
03c1ad43 MA |
1963 | (tramp-do-copy-or-rename-file-out-of-band |
1964 | op filename newname keep-date)) | |
1965 | ||
1966 | ;; No shortcut was possible. So we copy the file | |
1967 | ;; first. If the operation was `rename', we go back | |
1968 | ;; and delete the original file (if the copy was | |
1969 | ;; successful). The approach is simple-minded: we | |
1970 | ;; create a new buffer, insert the contents of the | |
1971 | ;; source file into it, then write out the buffer to | |
1972 | ;; the target file. The advantage is that it doesn't | |
1973 | ;; matter which filename handlers are used for the | |
1974 | ;; source and target file. | |
1975 | (t | |
1976 | (tramp-do-copy-or-rename-file-via-buffer | |
1977 | op filename newname keep-date)))))) | |
1978 | ||
1979 | ;; One file is a Tramp file, the other one is local. | |
1980 | ((or t1 t2) | |
1981 | (cond | |
1982 | ;; Fast track on local machine. | |
1983 | ((tramp-local-host-p v) | |
1984 | (tramp-do-copy-or-rename-file-directly | |
1985 | op filename newname | |
1986 | ok-if-already-exists keep-date preserve-uid-gid)) | |
1987 | ||
1988 | ;; If the Tramp file has an out-of-band method, the | |
1989 | ;; corresponding copy-program can be invoked. | |
d7f2a65c | 1990 | ((tramp-method-out-of-band-p v length) |
03c1ad43 MA |
1991 | (tramp-do-copy-or-rename-file-out-of-band |
1992 | op filename newname keep-date)) | |
1993 | ||
1994 | ;; Use the inline method via a Tramp buffer. | |
1995 | (t (tramp-do-copy-or-rename-file-via-buffer | |
1996 | op filename newname keep-date)))) | |
1997 | ||
1998 | (t | |
1999 | ;; One of them must be a Tramp file. | |
2000 | (error "Tramp implementation says this cannot happen"))) | |
2001 | ||
aca3d51d MA |
2002 | ;; Handle `preserve-extended-attributes'. We ignore possible |
2003 | ;; errors, because ACL strings could be incompatible. | |
53b6a8b1 | 2004 | (when attributes |
aca3d51d MA |
2005 | (ignore-errors |
2006 | (apply 'set-file-extended-attributes (list newname attributes)))) | |
03c1ad43 MA |
2007 | |
2008 | ;; In case of `rename', we must flush the cache of the source file. | |
2009 | (when (and t1 (eq op 'rename)) | |
2010 | (with-parsed-tramp-file-name filename v1 | |
b27cc9fc MA |
2011 | (tramp-flush-file-property v1 (file-name-directory v1-localname)) |
2012 | (tramp-flush-file-property v1 v1-localname))) | |
03c1ad43 MA |
2013 | |
2014 | ;; When newname did exist, we have wrong cached values. | |
2015 | (when t2 | |
2016 | (with-parsed-tramp-file-name newname v2 | |
b27cc9fc MA |
2017 | (tramp-flush-file-property v2 (file-name-directory v2-localname)) |
2018 | (tramp-flush-file-property v2 v2-localname))))))) | |
03c1ad43 MA |
2019 | |
2020 | (defun tramp-do-copy-or-rename-file-via-buffer (op filename newname keep-date) | |
2021 | "Use an Emacs buffer to copy or rename a file. | |
2022 | First arg OP is either `copy' or `rename' and indicates the operation. | |
2023 | FILENAME is the source file, NEWNAME the target file. | |
2024 | KEEP-DATE is non-nil if NEWNAME should have the same timestamp as FILENAME." | |
2025 | (with-temp-buffer | |
2026 | ;; We must disable multibyte, because binary data shall not be | |
2027 | ;; converted. | |
2028 | (set-buffer-multibyte nil) | |
2029 | (let ((coding-system-for-read 'binary) | |
2030 | (jka-compr-inhibit t)) | |
2031 | (insert-file-contents-literally filename)) | |
2032 | ;; We don't want the target file to be compressed, so we let-bind | |
2033 | ;; `jka-compr-inhibit' to t. | |
2034 | (let ((coding-system-for-write 'binary) | |
2035 | (jka-compr-inhibit t)) | |
7ce8fcc3 | 2036 | (write-region (point-min) (point-max) newname nil 'no-message))) |
03c1ad43 MA |
2037 | ;; KEEP-DATE handling. |
2038 | (when keep-date (set-file-times newname (nth 5 (file-attributes filename)))) | |
2039 | ;; Set the mode. | |
2040 | (set-file-modes newname (tramp-default-file-modes filename)) | |
2041 | ;; If the operation was `rename', delete the original file. | |
2042 | (unless (eq op 'copy) (delete-file filename))) | |
2043 | ||
2044 | (defun tramp-do-copy-or-rename-file-directly | |
2045 | (op filename newname ok-if-already-exists keep-date preserve-uid-gid) | |
2046 | "Invokes `cp' or `mv' on the remote system. | |
2047 | OP must be one of `copy' or `rename', indicating `cp' or `mv', | |
2048 | respectively. FILENAME specifies the file to copy or rename, | |
2049 | NEWNAME is the name of the new file (for copy) or the new name of | |
2050 | the file (for rename). Both files must reside on the same host. | |
2051 | KEEP-DATE means to make sure that NEWNAME has the same timestamp | |
2052 | as FILENAME. PRESERVE-UID-GID, when non-nil, instructs to keep | |
2053 | the uid and gid from FILENAME." | |
2054 | (let ((t1 (tramp-tramp-file-p filename)) | |
2055 | (t2 (tramp-tramp-file-p newname)) | |
2056 | (file-times (nth 5 (file-attributes filename))) | |
2057 | (file-modes (tramp-default-file-modes filename))) | |
2058 | (with-parsed-tramp-file-name (if t1 filename newname) nil | |
2059 | (let* ((cmd (cond ((and (eq op 'copy) preserve-uid-gid) "cp -f -p") | |
2060 | ((eq op 'copy) "cp -f") | |
2061 | ((eq op 'rename) "mv -f") | |
2062 | (t (tramp-error | |
2063 | v 'file-error | |
2064 | "Unknown operation `%s', must be `copy' or `rename'" | |
2065 | op)))) | |
2066 | (localname1 | |
2067 | (if t1 | |
2068 | (tramp-file-name-handler 'file-remote-p filename 'localname) | |
2069 | filename)) | |
2070 | (localname2 | |
2071 | (if t2 | |
2072 | (tramp-file-name-handler 'file-remote-p newname 'localname) | |
2073 | newname)) | |
2074 | (prefix (file-remote-p (if t1 filename newname))) | |
2075 | cmd-result) | |
2076 | ||
2077 | (cond | |
2078 | ;; Both files are on a remote host, with same user. | |
2079 | ((and t1 t2) | |
2080 | (setq cmd-result | |
2081 | (tramp-send-command-and-check | |
2082 | v (format "%s %s %s" cmd | |
2083 | (tramp-shell-quote-argument localname1) | |
2084 | (tramp-shell-quote-argument localname2)))) | |
2085 | (with-current-buffer (tramp-get-buffer v) | |
2086 | (goto-char (point-min)) | |
2087 | (unless | |
2088 | (or | |
2089 | (and keep-date | |
2090 | ;; Mask cp -f error. | |
2091 | (re-search-forward | |
2092 | tramp-operation-not-permitted-regexp nil t)) | |
2093 | cmd-result) | |
2094 | (tramp-error-with-buffer | |
2095 | nil v 'file-error | |
2096 | "Copying directly failed, see buffer `%s' for details." | |
2097 | (buffer-name))))) | |
2098 | ||
2099 | ;; We are on the local host. | |
2100 | ((or t1 t2) | |
2101 | (cond | |
2102 | ;; We can do it directly. | |
2103 | ((let (file-name-handler-alist) | |
2104 | (and (file-readable-p localname1) | |
2105 | (file-writable-p (file-name-directory localname2)) | |
2106 | (or (file-directory-p localname2) | |
2107 | (file-writable-p localname2)))) | |
2108 | (if (eq op 'copy) | |
2109 | (tramp-compat-copy-file | |
2110 | localname1 localname2 ok-if-already-exists | |
2111 | keep-date preserve-uid-gid) | |
2112 | (tramp-run-real-handler | |
2113 | 'rename-file (list localname1 localname2 ok-if-already-exists)))) | |
2114 | ||
2115 | ;; We can do it directly with `tramp-send-command' | |
2116 | ((and (file-readable-p (concat prefix localname1)) | |
2117 | (file-writable-p | |
2118 | (file-name-directory (concat prefix localname2))) | |
2119 | (or (file-directory-p (concat prefix localname2)) | |
2120 | (file-writable-p (concat prefix localname2)))) | |
2121 | (tramp-do-copy-or-rename-file-directly | |
2122 | op (concat prefix localname1) (concat prefix localname2) | |
2123 | ok-if-already-exists keep-date t) | |
2124 | ;; We must change the ownership to the local user. | |
2125 | (tramp-set-file-uid-gid | |
2126 | (concat prefix localname2) | |
2127 | (tramp-get-local-uid 'integer) | |
2128 | (tramp-get-local-gid 'integer))) | |
2129 | ||
2130 | ;; We need a temporary file in between. | |
2131 | (t | |
2132 | ;; Create the temporary file. | |
2133 | (let ((tmpfile (tramp-compat-make-temp-file localname1))) | |
2134 | (unwind-protect | |
2135 | (progn | |
2136 | (cond | |
2137 | (t1 | |
2138 | (tramp-barf-unless-okay | |
2139 | v (format | |
2140 | "%s %s %s" cmd | |
2141 | (tramp-shell-quote-argument localname1) | |
2142 | (tramp-shell-quote-argument tmpfile)) | |
2143 | "Copying directly failed, see buffer `%s' for details." | |
2144 | (tramp-get-buffer v)) | |
2145 | ;; We must change the ownership as remote user. | |
2146 | ;; Since this does not work reliable, we also | |
2147 | ;; give read permissions. | |
2148 | (set-file-modes | |
2149 | (concat prefix tmpfile) | |
2150 | (tramp-compat-octal-to-decimal "0777")) | |
2151 | (tramp-set-file-uid-gid | |
2152 | (concat prefix tmpfile) | |
2153 | (tramp-get-local-uid 'integer) | |
2154 | (tramp-get-local-gid 'integer))) | |
2155 | (t2 | |
2156 | (if (eq op 'copy) | |
2157 | (tramp-compat-copy-file | |
2158 | localname1 tmpfile t | |
2159 | keep-date preserve-uid-gid) | |
2160 | (tramp-run-real-handler | |
2161 | 'rename-file | |
2162 | (list localname1 tmpfile t))) | |
2163 | ;; We must change the ownership as local user. | |
2164 | ;; Since this does not work reliable, we also | |
2165 | ;; give read permissions. | |
2166 | (set-file-modes | |
2167 | tmpfile (tramp-compat-octal-to-decimal "0777")) | |
2168 | (tramp-set-file-uid-gid | |
2169 | tmpfile | |
2170 | (tramp-get-remote-uid v 'integer) | |
2171 | (tramp-get-remote-gid v 'integer)))) | |
2172 | ||
2173 | ;; Move the temporary file to its destination. | |
2174 | (cond | |
2175 | (t2 | |
2176 | (tramp-barf-unless-okay | |
2177 | v (format | |
2178 | "cp -f -p %s %s" | |
2179 | (tramp-shell-quote-argument tmpfile) | |
2180 | (tramp-shell-quote-argument localname2)) | |
2181 | "Copying directly failed, see buffer `%s' for details." | |
2182 | (tramp-get-buffer v))) | |
2183 | (t1 | |
2184 | (tramp-run-real-handler | |
2185 | 'rename-file | |
2186 | (list tmpfile localname2 ok-if-already-exists))))) | |
2187 | ||
2188 | ;; Save exit. | |
7398933f | 2189 | (ignore-errors (delete-file tmpfile))))))))) |
03c1ad43 MA |
2190 | |
2191 | ;; Set the time and mode. Mask possible errors. | |
7398933f | 2192 | (ignore-errors |
03c1ad43 MA |
2193 | (when keep-date |
2194 | (set-file-times newname file-times) | |
7398933f | 2195 | (set-file-modes newname file-modes)))))) |
03c1ad43 MA |
2196 | |
2197 | (defun tramp-do-copy-or-rename-file-out-of-band (op filename newname keep-date) | |
2198 | "Invoke rcp program to copy. | |
2199 | The method used must be an out-of-band method." | |
66feec8b MA |
2200 | (let* ((t1 (tramp-tramp-file-p filename)) |
2201 | (t2 (tramp-tramp-file-p newname)) | |
2202 | (orig-vec (tramp-dissect-file-name (if t1 filename newname))) | |
2203 | copy-program copy-args copy-env copy-keep-date port spec | |
c57a0aff | 2204 | options source target) |
03c1ad43 MA |
2205 | |
2206 | (with-parsed-tramp-file-name (if t1 filename newname) nil | |
2207 | (if (and t1 t2) | |
2208 | ||
2c68ca0e | 2209 | ;; Both are Tramp files. We shall optimize it when the |
03c1ad43 MA |
2210 | ;; methods for filename and newname are the same. |
2211 | (let* ((dir-flag (file-directory-p filename)) | |
2212 | (tmpfile (tramp-compat-make-temp-file localname dir-flag))) | |
2213 | (if dir-flag | |
2214 | (setq tmpfile | |
2215 | (expand-file-name | |
2216 | (file-name-nondirectory newname) tmpfile))) | |
2217 | (unwind-protect | |
2218 | (progn | |
2219 | (tramp-do-copy-or-rename-file-out-of-band | |
2220 | op filename tmpfile keep-date) | |
2221 | (tramp-do-copy-or-rename-file-out-of-band | |
2222 | 'rename tmpfile newname keep-date)) | |
2223 | ;; Save exit. | |
7398933f MA |
2224 | (ignore-errors |
2225 | (if dir-flag | |
2226 | (tramp-compat-delete-directory | |
2227 | (expand-file-name ".." tmpfile) 'recursive) | |
2228 | (delete-file tmpfile))))) | |
03c1ad43 | 2229 | |
66feec8b MA |
2230 | ;; Set variables for computing the prompt for reading |
2231 | ;; password. | |
2232 | (setq tramp-current-method (tramp-file-name-method v) | |
a5509865 MA |
2233 | tramp-current-user (or (tramp-file-name-user v) |
2234 | (tramp-get-connection-property | |
2235 | v "login-as" nil)) | |
2236 | tramp-current-host (tramp-file-name-real-host v)) | |
66feec8b | 2237 | |
03c1ad43 MA |
2238 | ;; Expand hops. Might be necessary for gateway methods. |
2239 | (setq v (car (tramp-compute-multi-hops v))) | |
2240 | (aset v 3 localname) | |
2241 | ||
2242 | ;; Check which ones of source and target are Tramp files. | |
2243 | (setq source (if t1 (tramp-make-copy-program-file-name v) filename) | |
2244 | target (funcall | |
2245 | (if (and (file-directory-p filename) | |
2246 | (string-equal | |
2247 | (file-name-nondirectory filename) | |
2248 | (file-name-nondirectory newname))) | |
2249 | 'file-name-directory | |
2250 | 'identity) | |
2251 | (if t2 (tramp-make-copy-program-file-name v) newname))) | |
2252 | ||
ee545c35 MA |
2253 | ;; Check for host and port number. We cannot use |
2254 | ;; `tramp-file-name-port', because this returns also | |
2255 | ;; `tramp-default-port', which might clash with settings in | |
2256 | ;; "~/.ssh/config". | |
2257 | (setq host (tramp-file-name-host v) | |
2258 | port "") | |
2259 | (when (string-match tramp-host-with-port-regexp host) | |
23c22e9a MA |
2260 | (setq port (string-to-number (match-string 2 host)) |
2261 | host (string-to-number (match-string 1 host)))) | |
03c1ad43 | 2262 | |
a5509865 MA |
2263 | ;; Check for user. There might be an interactive setting. |
2264 | (setq user (or (tramp-file-name-user v) | |
2265 | (tramp-get-connection-property v "login-as" nil))) | |
2266 | ||
03c1ad43 | 2267 | ;; Compose copy command. |
a5509865 MA |
2268 | (setq host (or host "") |
2269 | user (or user "") | |
2270 | port (or port "") | |
2271 | spec (format-spec-make | |
03c1ad43 | 2272 | ?t (tramp-get-connection-property |
c57a0aff | 2273 | (tramp-get-connection-process v) "temp-file" "")) |
78822e94 MA |
2274 | options (format-spec |
2275 | (if tramp-use-ssh-controlmaster-options | |
2276 | tramp-ssh-controlmaster-options "") | |
2277 | spec) | |
c57a0aff MA |
2278 | spec (format-spec-make |
2279 | ?h host ?u user ?p port ?c options | |
03c1ad43 MA |
2280 | ?k (if keep-date " " "")) |
2281 | copy-program (tramp-get-method-parameter | |
2282 | method 'tramp-copy-program) | |
2283 | copy-keep-date (tramp-get-method-parameter | |
2284 | method 'tramp-copy-keep-date) | |
2285 | copy-args | |
66feec8b MA |
2286 | (delete |
2287 | ;; " " has either been a replacement of "%k" (when | |
ee545c35 | 2288 | ;; keep-date argument is non-nil), or a replacement |
66feec8b MA |
2289 | ;; for the whole keep-date sublist. |
2290 | " " | |
2291 | (dolist | |
2292 | (x | |
2293 | (tramp-get-method-parameter method 'tramp-copy-args) | |
2294 | copy-args) | |
2295 | (setq copy-args | |
2296 | (append | |
2297 | copy-args | |
2298 | (let ((y (mapcar (lambda (z) (format-spec z spec)) x))) | |
ee545c35 | 2299 | (if (member "" y) '(" ") y)))))) |
03c1ad43 MA |
2300 | copy-env |
2301 | (delq | |
2302 | nil | |
2303 | (mapcar | |
2304 | (lambda (x) | |
2305 | (setq x (mapcar (lambda (y) (format-spec y spec)) x)) | |
2306 | (unless (member "" x) (mapconcat 'identity x " "))) | |
2307 | (tramp-get-method-parameter method 'tramp-copy-env)))) | |
2308 | ||
2309 | ;; Check for program. | |
a43dc424 | 2310 | (unless (executable-find copy-program) |
03c1ad43 MA |
2311 | (tramp-error |
2312 | v 'file-error "Cannot find copy program: %s" copy-program)) | |
2313 | ||
66feec8b MA |
2314 | (with-temp-buffer |
2315 | (unwind-protect | |
03c1ad43 MA |
2316 | ;; The default directory must be remote. |
2317 | (let ((default-directory | |
2318 | (file-name-directory (if t1 filename newname))) | |
2319 | (process-environment (copy-sequence process-environment))) | |
2320 | ;; Set the transfer process properties. | |
2321 | (tramp-set-connection-property | |
2322 | v "process-name" (buffer-name (current-buffer))) | |
2323 | (tramp-set-connection-property | |
2324 | v "process-buffer" (current-buffer)) | |
2325 | (while copy-env | |
66feec8b | 2326 | (tramp-message |
d7291032 | 2327 | orig-vec 6 "%s=\"%s\"" (car copy-env) (cadr copy-env)) |
03c1ad43 MA |
2328 | (setenv (pop copy-env) (pop copy-env))) |
2329 | ||
2330 | ;; Use an asynchronous process. By this, password can | |
2331 | ;; be handled. The default directory must be local, in | |
2332 | ;; order to apply the correct `copy-program'. We don't | |
2333 | ;; set a timeout, because the copying of large files can | |
2334 | ;; last longer than 60 secs. | |
2335 | (let ((p (let ((default-directory | |
2336 | (tramp-compat-temporary-file-directory))) | |
d5f97f62 | 2337 | (apply 'start-process-shell-command |
66feec8b MA |
2338 | (tramp-get-connection-name v) |
2339 | (tramp-get-connection-buffer v) | |
03c1ad43 | 2340 | copy-program |
d5f97f62 MA |
2341 | (append |
2342 | copy-args | |
2343 | (list | |
2344 | (shell-quote-argument source) | |
82176fcd MA |
2345 | (shell-quote-argument target) |
2346 | "&&" "echo" "tramp_exit_status" "0" | |
2347 | "||" "echo" "tramp_exit_status" "1")))))) | |
03c1ad43 | 2348 | (tramp-message |
66feec8b MA |
2349 | orig-vec 6 "%s" |
2350 | (mapconcat 'identity (process-command p) " ")) | |
4c1f03ef | 2351 | (tramp-set-connection-property p "vector" orig-vec) |
bd8fadca | 2352 | (tramp-compat-set-process-query-on-exit-flag p nil) |
bfd31217 | 2353 | (tramp-process-actions |
d5f97f62 MA |
2354 | p v nil tramp-actions-copy-out-of-band) |
2355 | ||
82176fcd MA |
2356 | ;; Check the return code. |
2357 | (goto-char (point-max)) | |
2358 | (unless | |
2359 | (re-search-backward "tramp_exit_status [0-9]+" nil t) | |
2360 | (tramp-error | |
2361 | orig-vec 'file-error | |
4c1f03ef MA |
2362 | "Couldn't find exit status of `%s'" |
2363 | (mapconcat 'identity (process-command p) " "))) | |
82176fcd MA |
2364 | (skip-chars-forward "^ ") |
2365 | (unless (zerop (read (current-buffer))) | |
2366 | (forward-line -1) | |
2367 | (tramp-error | |
2368 | orig-vec 'file-error | |
2369 | "Error copying: `%s'" | |
2370 | (buffer-substring (point-min) (point-at-eol)))))) | |
03c1ad43 | 2371 | |
66feec8b | 2372 | ;; Reset the transfer process properties. |
2fe4b125 | 2373 | (tramp-message orig-vec 6 "\n%s" (buffer-string)) |
66feec8b MA |
2374 | (tramp-set-connection-property v "process-name" nil) |
2375 | (tramp-set-connection-property v "process-buffer" nil))) | |
03c1ad43 MA |
2376 | |
2377 | ;; Handle KEEP-DATE argument. | |
2378 | (when (and keep-date (not copy-keep-date)) | |
2379 | (set-file-times newname (nth 5 (file-attributes filename)))) | |
2380 | ||
2381 | ;; Set the mode. | |
2382 | (unless (and keep-date copy-keep-date) | |
2383 | (ignore-errors | |
2384 | (set-file-modes newname (tramp-default-file-modes filename))))) | |
2385 | ||
2386 | ;; If the operation was `rename', delete the original file. | |
2387 | (unless (eq op 'copy) | |
2388 | (if (file-regular-p filename) | |
2389 | (delete-file filename) | |
2390 | (tramp-compat-delete-directory filename 'recursive)))))) | |
2391 | ||
4a93e698 | 2392 | (defun tramp-sh-handle-make-directory (dir &optional parents) |
03c1ad43 MA |
2393 | "Like `make-directory' for Tramp files." |
2394 | (setq dir (expand-file-name dir)) | |
2395 | (with-parsed-tramp-file-name dir nil | |
2396 | (tramp-flush-directory-property v (file-name-directory localname)) | |
2397 | (save-excursion | |
2398 | (tramp-barf-unless-okay | |
2399 | v (format "%s %s" | |
2400 | (if parents "mkdir -p" "mkdir") | |
2401 | (tramp-shell-quote-argument localname)) | |
2402 | "Couldn't make directory %s" dir)))) | |
2403 | ||
4a93e698 | 2404 | (defun tramp-sh-handle-delete-directory (directory &optional recursive) |
03c1ad43 MA |
2405 | "Like `delete-directory' for Tramp files." |
2406 | (setq directory (expand-file-name directory)) | |
2407 | (with-parsed-tramp-file-name directory nil | |
2408 | (tramp-flush-file-property v (file-name-directory localname)) | |
2409 | (tramp-flush-directory-property v localname) | |
2410 | (tramp-barf-unless-okay | |
2411 | v (format "%s %s" | |
2412 | (if recursive "rm -rf" "rmdir") | |
2413 | (tramp-shell-quote-argument localname)) | |
2414 | "Couldn't delete %s" directory))) | |
2415 | ||
4a93e698 | 2416 | (defun tramp-sh-handle-delete-file (filename &optional trash) |
03c1ad43 MA |
2417 | "Like `delete-file' for Tramp files." |
2418 | (setq filename (expand-file-name filename)) | |
2419 | (with-parsed-tramp-file-name filename nil | |
2420 | (tramp-flush-file-property v (file-name-directory localname)) | |
2421 | (tramp-flush-file-property v localname) | |
2422 | (tramp-barf-unless-okay | |
2423 | v (format "%s %s" | |
2424 | (or (and trash (tramp-get-remote-trash v)) "rm -f") | |
2425 | (tramp-shell-quote-argument localname)) | |
2426 | "Couldn't delete %s" filename))) | |
2427 | ||
2428 | ;; Dired. | |
2429 | ||
2430 | ;; CCC: This does not seem to be enough. Something dies when | |
2431 | ;; we try and delete two directories under Tramp :/ | |
4a93e698 | 2432 | (defun tramp-sh-handle-dired-recursive-delete-directory (filename) |
03c1ad43 MA |
2433 | "Recursively delete the directory given. |
2434 | This is like `dired-recursive-delete-directory' for Tramp files." | |
2435 | (with-parsed-tramp-file-name filename nil | |
2fe4b125 | 2436 | ;; Run a shell command 'rm -r <localname>'. |
03c1ad43 MA |
2437 | ;; Code shamelessly stolen from the dired implementation and, um, hacked :) |
2438 | (unless (file-exists-p filename) | |
2439 | (tramp-error v 'file-error "No such directory: %s" filename)) | |
2fe4b125 | 2440 | ;; Which is better, -r or -R? (-r works for me <daniel@danann.net>). |
03c1ad43 MA |
2441 | (tramp-send-command |
2442 | v | |
2443 | (format "rm -rf %s" (tramp-shell-quote-argument localname)) | |
2c68ca0e | 2444 | ;; Don't read the output, do it explicitly. |
03c1ad43 MA |
2445 | nil t) |
2446 | ;; Wait for the remote system to return to us... | |
2447 | ;; This might take a while, allow it plenty of time. | |
2448 | (tramp-wait-for-output (tramp-get-connection-process v) 120) | |
2449 | ;; Make sure that it worked... | |
2450 | (tramp-flush-file-property v (file-name-directory localname)) | |
2451 | (tramp-flush-directory-property v localname) | |
2452 | (and (file-exists-p filename) | |
2453 | (tramp-error | |
2454 | v 'file-error "Failed to recursively delete %s" filename)))) | |
2455 | ||
5d89d9d2 | 2456 | (defun tramp-sh-handle-dired-compress-file (file &rest _ok-flag) |
03c1ad43 MA |
2457 | "Like `dired-compress-file' for Tramp files." |
2458 | ;; OK-FLAG is valid for XEmacs only, but not implemented. | |
2459 | ;; Code stolen mainly from dired-aux.el. | |
2460 | (with-parsed-tramp-file-name file nil | |
2461 | (tramp-flush-file-property v localname) | |
2462 | (save-excursion | |
2463 | (let ((suffixes | |
2464 | (if (not (featurep 'xemacs)) | |
2465 | ;; Emacs case | |
2466 | (symbol-value 'dired-compress-file-suffixes) | |
2467 | ;; XEmacs has `dired-compression-method-alist', which is | |
2468 | ;; transformed into `dired-compress-file-suffixes' structure. | |
2469 | (mapcar | |
2470 | (lambda (x) | |
2471 | (list (concat (regexp-quote (nth 1 x)) "\\'") | |
2472 | nil | |
2473 | (mapconcat 'identity (nth 3 x) " "))) | |
2474 | (symbol-value 'dired-compression-method-alist)))) | |
2475 | suffix) | |
2476 | ;; See if any suffix rule matches this file name. | |
2477 | (while suffixes | |
2478 | (let (case-fold-search) | |
2479 | (if (string-match (car (car suffixes)) localname) | |
2480 | (setq suffix (car suffixes) suffixes nil)) | |
2481 | (setq suffixes (cdr suffixes)))) | |
2482 | ||
2483 | (cond ((file-symlink-p file) | |
2484 | nil) | |
2485 | ((and suffix (nth 2 suffix)) | |
2486 | ;; We found an uncompression rule. | |
1d51f99c | 2487 | (with-tramp-progress-reporter |
7d520089 | 2488 | v 0 (format "Uncompressing %s" file) |
03c1ad43 MA |
2489 | (when (tramp-send-command-and-check |
2490 | v (concat (nth 2 suffix) " " | |
2491 | (tramp-shell-quote-argument localname))) | |
2492 | ;; `dired-remove-file' is not defined in XEmacs. | |
2493 | (tramp-compat-funcall 'dired-remove-file file) | |
2494 | (string-match (car suffix) file) | |
2495 | (concat (substring file 0 (match-beginning 0)))))) | |
2496 | (t | |
2497 | ;; We don't recognize the file as compressed, so compress it. | |
2498 | ;; Try gzip. | |
1d51f99c | 2499 | (with-tramp-progress-reporter v 0 (format "Compressing %s" file) |
03c1ad43 MA |
2500 | (when (tramp-send-command-and-check |
2501 | v (concat "gzip -f " | |
2502 | (tramp-shell-quote-argument localname))) | |
2503 | ;; `dired-remove-file' is not defined in XEmacs. | |
2504 | (tramp-compat-funcall 'dired-remove-file file) | |
2505 | (cond ((file-exists-p (concat file ".gz")) | |
2506 | (concat file ".gz")) | |
2507 | ((file-exists-p (concat file ".z")) | |
2508 | (concat file ".z")) | |
2509 | (t nil)))))))))) | |
2510 | ||
4a93e698 | 2511 | (defun tramp-sh-handle-insert-directory |
03c1ad43 MA |
2512 | (filename switches &optional wildcard full-directory-p) |
2513 | "Like `insert-directory' for Tramp files." | |
2514 | (setq filename (expand-file-name filename)) | |
5fbf6856 | 2515 | (unless switches (setq switches "")) |
03c1ad43 MA |
2516 | (with-parsed-tramp-file-name filename nil |
2517 | (if (and (featurep 'ls-lisp) | |
2518 | (not (symbol-value 'ls-lisp-use-insert-directory-program))) | |
f5bee33b MA |
2519 | (tramp-handle-insert-directory |
2520 | filename switches wildcard full-directory-p) | |
03c1ad43 MA |
2521 | (when (stringp switches) |
2522 | (setq switches (split-string switches))) | |
2523 | (when (and (member "--dired" switches) | |
2524 | (not (tramp-get-ls-command-with-dired v))) | |
2525 | (setq switches (delete "--dired" switches))) | |
2526 | (when wildcard | |
2527 | (setq wildcard (tramp-run-real-handler | |
2528 | 'file-name-nondirectory (list localname))) | |
2529 | (setq localname (tramp-run-real-handler | |
2530 | 'file-name-directory (list localname)))) | |
38726039 SM |
2531 | (unless (or full-directory-p (member "-d" switches)) |
2532 | (setq switches (append switches '("-d")))) | |
03c1ad43 MA |
2533 | (setq switches (mapconcat 'tramp-shell-quote-argument switches " ")) |
2534 | (when wildcard | |
2535 | (setq switches (concat switches " " wildcard))) | |
2536 | (tramp-message | |
2537 | v 4 "Inserting directory `ls %s %s', wildcard %s, fulldir %s" | |
2538 | switches filename (if wildcard "yes" "no") | |
2539 | (if full-directory-p "yes" "no")) | |
2540 | ;; If `full-directory-p', we just say `ls -l FILENAME'. | |
2541 | ;; Else we chdir to the parent directory, then say `ls -ld BASENAME'. | |
2542 | (if full-directory-p | |
2543 | (tramp-send-command | |
2544 | v | |
e675b3e4 | 2545 | (format "%s %s %s 2>/dev/null" |
03c1ad43 MA |
2546 | (tramp-get-ls-command v) |
2547 | switches | |
2548 | (if wildcard | |
2549 | localname | |
2550 | (tramp-shell-quote-argument (concat localname "."))))) | |
2551 | (tramp-barf-unless-okay | |
2552 | v | |
2553 | (format "cd %s" (tramp-shell-quote-argument | |
2554 | (tramp-run-real-handler | |
2555 | 'file-name-directory (list localname)))) | |
2556 | "Couldn't `cd %s'" | |
2557 | (tramp-shell-quote-argument | |
2558 | (tramp-run-real-handler 'file-name-directory (list localname)))) | |
2559 | (tramp-send-command | |
2560 | v | |
e675b3e4 | 2561 | (format "%s %s %s 2>/dev/null" |
03c1ad43 MA |
2562 | (tramp-get-ls-command v) |
2563 | switches | |
2564 | (if (or wildcard | |
2565 | (zerop (length | |
2566 | (tramp-run-real-handler | |
2567 | 'file-name-nondirectory (list localname))))) | |
2568 | "" | |
2569 | (tramp-shell-quote-argument | |
2570 | (tramp-run-real-handler | |
2571 | 'file-name-nondirectory (list localname))))))) | |
f8f91d5d MA |
2572 | |
2573 | (save-restriction | |
2574 | (let ((beg (point))) | |
2575 | (narrow-to-region (point) (point)) | |
2576 | ;; We cannot use `insert-buffer-substring' because the Tramp | |
2577 | ;; buffer changes its contents before insertion due to calling | |
2578 | ;; `expand-file' and alike. | |
2579 | (insert | |
2580 | (with-current-buffer (tramp-get-buffer v) | |
2581 | (buffer-string))) | |
2582 | ||
2583 | ;; Check for "--dired" output. | |
2584 | (forward-line -2) | |
2585 | (when (looking-at "//SUBDIRED//") | |
2586 | (forward-line -1)) | |
2587 | (when (looking-at "//DIRED//\\s-+") | |
2588 | (let ((databeg (match-end 0)) | |
2589 | (end (point-at-eol))) | |
2590 | ;; Now read the numeric positions of file names. | |
2591 | (goto-char databeg) | |
2592 | (while (< (point) end) | |
2593 | (let ((start (+ beg (read (current-buffer)))) | |
2594 | (end (+ beg (read (current-buffer))))) | |
2595 | (if (memq (char-after end) '(?\n ?\ )) | |
2596 | ;; End is followed by \n or by " -> ". | |
2597 | (put-text-property start end 'dired-filename t)))))) | |
2598 | ;; Remove trailing lines. | |
2599 | (goto-char (point-at-bol)) | |
2600 | (while (looking-at "//") | |
2601 | (forward-line 1) | |
2602 | (delete-region (match-beginning 0) (point))) | |
2603 | ||
2604 | ;; Some busyboxes are reluctant to discard colors. | |
2605 | (unless (string-match "color" (tramp-get-connection-property v "ls" "")) | |
2606 | (goto-char beg) | |
2607 | (while (re-search-forward tramp-color-escape-sequence-regexp nil t) | |
2608 | (replace-match ""))) | |
2609 | ||
2610 | ;; Decode the output, it could be multibyte. | |
2611 | (decode-coding-region | |
2612 | beg (point-max) | |
2613 | (or file-name-coding-system | |
2614 | (and (boundp 'default-file-name-coding-system) | |
2615 | (symbol-value 'default-file-name-coding-system)))) | |
2616 | ||
2617 | ;; The inserted file could be from somewhere else. | |
2618 | (when (and (not wildcard) (not full-directory-p)) | |
2619 | (goto-char (point-max)) | |
2620 | (when (file-symlink-p filename) | |
2621 | (goto-char (search-backward "->" beg 'noerror))) | |
2622 | (search-backward | |
2623 | (if (zerop (length (file-name-nondirectory filename))) | |
2624 | "." | |
2625 | (file-name-nondirectory filename)) | |
2626 | beg 'noerror) | |
2627 | (replace-match (file-relative-name filename) t)) | |
2628 | ||
2629 | (goto-char (point-max))))))) | |
03c1ad43 | 2630 | |
03c1ad43 MA |
2631 | ;; Canonicalization of file names. |
2632 | ||
4a93e698 | 2633 | (defun tramp-sh-handle-expand-file-name (name &optional dir) |
03c1ad43 MA |
2634 | "Like `expand-file-name' for Tramp files. |
2635 | If the localname part of the given filename starts with \"/../\" then | |
2636 | the result will be a local, non-Tramp, filename." | |
2637 | ;; If DIR is not given, use DEFAULT-DIRECTORY or "/". | |
2638 | (setq dir (or dir default-directory "/")) | |
2639 | ;; Unless NAME is absolute, concat DIR and NAME. | |
2640 | (unless (file-name-absolute-p name) | |
2641 | (setq name (concat (file-name-as-directory dir) name))) | |
2642 | ;; If NAME is not a Tramp file, run the real handler. | |
2643 | (if (not (tramp-connectable-p name)) | |
2644 | (tramp-run-real-handler 'expand-file-name (list name nil)) | |
2645 | ;; Dissect NAME. | |
2646 | (with-parsed-tramp-file-name name nil | |
2647 | (unless (tramp-run-real-handler 'file-name-absolute-p (list localname)) | |
2648 | (setq localname (concat "~/" localname))) | |
2649 | ;; Tilde expansion if necessary. This needs a shell which | |
2650 | ;; groks tilde expansion! The function `tramp-find-shell' is | |
2651 | ;; supposed to find such a shell on the remote host. Please | |
2652 | ;; tell me about it when this doesn't work on your system. | |
2653 | (when (string-match "\\`\\(~[^/]*\\)\\(.*\\)\\'" localname) | |
2654 | (let ((uname (match-string 1 localname)) | |
2655 | (fname (match-string 2 localname))) | |
2656 | ;; We cannot simply apply "~/", because under sudo "~/" is | |
2657 | ;; expanded to the local user home directory but to the | |
2658 | ;; root home directory. On the other hand, using always | |
2659 | ;; the default user name for tilde expansion is not | |
2660 | ;; appropriate either, because ssh and companions might | |
2661 | ;; use a user name from the config file. | |
2662 | (when (and (string-equal uname "~") | |
2663 | (string-match "\\`su\\(do\\)?\\'" method)) | |
2664 | (setq uname (concat uname user))) | |
2665 | (setq uname | |
1d51f99c | 2666 | (with-tramp-connection-property v uname |
03c1ad43 MA |
2667 | (tramp-send-command |
2668 | v (format "cd %s; pwd" (tramp-shell-quote-argument uname))) | |
2669 | (with-current-buffer (tramp-get-buffer v) | |
2670 | (goto-char (point-min)) | |
6e060cee | 2671 | (buffer-substring (point) (point-at-eol))))) |
03c1ad43 MA |
2672 | (setq localname (concat uname fname)))) |
2673 | ;; There might be a double slash, for example when "~/" | |
2674 | ;; expands to "/". Remove this. | |
2675 | (while (string-match "//" localname) | |
2676 | (setq localname (replace-match "/" t t localname))) | |
2677 | ;; No tilde characters in file name, do normal | |
2678 | ;; `expand-file-name' (this does "/./" and "/../"). We bind | |
2679 | ;; `directory-sep-char' here for XEmacs on Windows, which would | |
2680 | ;; otherwise use backslash. `default-directory' is bound, | |
2681 | ;; because on Windows there would be problems with UNC shares or | |
2682 | ;; Cygwin mounts. | |
2683 | (let ((directory-sep-char ?/) | |
2684 | (default-directory (tramp-compat-temporary-file-directory))) | |
2685 | (tramp-make-tramp-file-name | |
2686 | method user host | |
2687 | (tramp-drop-volume-letter | |
2688 | (tramp-run-real-handler | |
2fe4b125 MA |
2689 | 'expand-file-name (list localname))) |
2690 | hop))))) | |
03c1ad43 | 2691 | |
03c1ad43 MA |
2692 | ;;; Remote commands: |
2693 | ||
03c1ad43 MA |
2694 | (defun tramp-process-sentinel (proc event) |
2695 | "Flush file caches." | |
2696 | (unless (memq (process-status proc) '(run open)) | |
2697 | (let ((vec (tramp-get-connection-property proc "vector" nil))) | |
2698 | (when vec | |
864c58ca | 2699 | (tramp-message vec 5 "Sentinel called: `%S' `%s'" proc event) |
6d95bd46 | 2700 | (tramp-flush-connection-property proc) |
03c1ad43 MA |
2701 | (tramp-flush-directory-property vec ""))))) |
2702 | ||
2703 | ;; We use BUFFER also as connection buffer during setup. Because of | |
2704 | ;; this, its original contents must be saved, and restored once | |
2705 | ;; connection has been setup. | |
4a93e698 | 2706 | (defun tramp-sh-handle-start-file-process (name buffer program &rest args) |
03c1ad43 MA |
2707 | "Like `start-file-process' for Tramp files." |
2708 | (with-parsed-tramp-file-name default-directory nil | |
4803595d MA |
2709 | (let* (;; When PROGRAM matches "*sh", and the first arg is "-c", |
2710 | ;; it might be that the arguments exceed the command line | |
2711 | ;; length. Therefore, we modify the command. | |
2712 | (heredoc (and (stringp program) | |
2713 | (string-match "sh$" program) | |
2714 | (string-equal "-c" (car args)) | |
2715 | (= (length args) 2))) | |
2716 | ;; When PROGRAM is nil, we just provide a tty. | |
2717 | (args (if (not heredoc) args | |
2718 | (let ((i 250)) | |
2719 | (while (and (< i (length (cadr args))) | |
2720 | (string-match " " (cadr args) i)) | |
2721 | (setcdr | |
2722 | args | |
2723 | (list (replace-match " \\\\\n" nil nil (cadr args)))) | |
2724 | (setq i (+ i 250)))) | |
2725 | (cdr args))) | |
2726 | (command | |
2727 | (when (stringp program) | |
629de968 | 2728 | (format "cd %s && exec %s env PS1=%s %s" |
4803595d | 2729 | (tramp-shell-quote-argument localname) |
5cef7abd | 2730 | (if heredoc (format "<<'%s'" tramp-end-of-heredoc) "") |
4803595d MA |
2731 | ;; Use a human-friendly prompt, for example for `shell'. |
2732 | (tramp-shell-quote-argument | |
2733 | (format "%s %s" | |
2734 | (file-remote-p default-directory) | |
2735 | tramp-initial-end-of-output)) | |
2736 | (if heredoc | |
629de968 | 2737 | (format "%s\n(\n%s\n) </dev/tty\n%s" |
9a83b32b | 2738 | program (car args) tramp-end-of-heredoc) |
4803595d MA |
2739 | (mapconcat 'tramp-shell-quote-argument |
2740 | (cons program args) " "))))) | |
2741 | (tramp-process-connection-type | |
2742 | (or (null program) tramp-process-connection-type)) | |
2743 | (bmp (and (buffer-live-p buffer) (buffer-modified-p buffer))) | |
2744 | (name1 name) | |
2745 | (i 0) | |
2746 | ;; We do not want to raise an error when | |
2747 | ;; `start-file-process' has been started several time in | |
2748 | ;; `eshell' and friends. | |
2749 | (tramp-current-connection nil)) | |
4a6bc3fd MA |
2750 | |
2751 | (unless buffer | |
2752 | ;; BUFFER can be nil. We use a temporary buffer. | |
2753 | (setq buffer (generate-new-buffer tramp-temp-buffer-name))) | |
2754 | (while (get-process name1) | |
2755 | ;; NAME must be unique as process name. | |
2756 | (setq i (1+ i) | |
2757 | name1 (format "%s<%d>" name i))) | |
2758 | (setq name name1) | |
2759 | ;; Set the new process properties. | |
2760 | (tramp-set-connection-property v "process-name" name) | |
2761 | (tramp-set-connection-property v "process-buffer" buffer) | |
2762 | ||
2763 | (with-current-buffer (tramp-get-connection-buffer v) | |
2764 | (unwind-protect | |
1b69262a MA |
2765 | ;; We catch this event. Otherwise, `start-process' could |
2766 | ;; be called on the local host. | |
ea55064c MA |
2767 | (save-excursion |
2768 | (save-restriction | |
2769 | ;; Activate narrowing in order to save BUFFER | |
2770 | ;; contents. Clear also the modification time; | |
2771 | ;; otherwise we might be interrupted by | |
2772 | ;; `verify-visited-file-modtime'. | |
2773 | (let ((buffer-undo-list t) | |
2774 | (buffer-read-only nil) | |
429b93bd | 2775 | (mark (point-max))) |
ea55064c MA |
2776 | (clear-visited-file-modtime) |
2777 | (narrow-to-region (point-max) (point-max)) | |
2778 | ;; We call `tramp-maybe-open-connection', in order | |
2779 | ;; to cleanup the prompt afterwards. | |
2780 | (catch 'suppress | |
1b69262a MA |
2781 | (tramp-maybe-open-connection v) |
2782 | (widen) | |
2783 | (delete-region mark (point)) | |
2784 | (narrow-to-region (point-max) (point-max)) | |
2785 | ;; Now do it. | |
2786 | (if command | |
2787 | ;; Send the command. | |
2788 | (tramp-send-command v command nil t) ; nooutput | |
2789 | ;; Check, whether a pty is associated. | |
2790 | (unless (tramp-compat-process-get | |
2791 | (tramp-get-connection-process v) 'remote-tty) | |
2792 | (tramp-error | |
2793 | v 'file-error | |
2794 | "pty association is not supported for `%s'" name)))) | |
2795 | (let ((p (tramp-get-connection-process v))) | |
f1f05871 MA |
2796 | ;; Set query flag and process marker for this |
2797 | ;; process. We ignore errors, because the process | |
2798 | ;; could have finished already. | |
1b69262a | 2799 | (ignore-errors |
f1f05871 MA |
2800 | (tramp-compat-set-process-query-on-exit-flag p t) |
2801 | (set-marker (process-mark p) (point))) | |
1b69262a MA |
2802 | ;; Return process. |
2803 | p)))) | |
4a6bc3fd MA |
2804 | |
2805 | ;; Save exit. | |
f49d1f52 | 2806 | (if (string-match tramp-temp-buffer-name (buffer-name)) |
ea55064c | 2807 | (ignore-errors |
f49d1f52 SM |
2808 | (set-process-buffer (tramp-get-connection-process v) nil) |
2809 | (kill-buffer (current-buffer))) | |
4a6bc3fd MA |
2810 | (set-buffer-modified-p bmp)) |
2811 | (tramp-set-connection-property v "process-name" nil) | |
2812 | (tramp-set-connection-property v "process-buffer" nil)))))) | |
03c1ad43 | 2813 | |
4a93e698 | 2814 | (defun tramp-sh-handle-process-file |
03c1ad43 MA |
2815 | (program &optional infile destination display &rest args) |
2816 | "Like `process-file' for Tramp files." | |
2817 | ;; The implementation is not complete yet. | |
2818 | (when (and (numberp destination) (zerop destination)) | |
2819 | (error "Implementation does not handle immediate return")) | |
2820 | ||
2821 | (with-parsed-tramp-file-name default-directory nil | |
2822 | (let (command input tmpinput stderr tmpstderr outbuf ret) | |
2823 | ;; Compute command. | |
2824 | (setq command (mapconcat 'tramp-shell-quote-argument | |
2825 | (cons program args) " ")) | |
2826 | ;; Determine input. | |
2827 | (if (null infile) | |
2828 | (setq input "/dev/null") | |
2829 | (setq infile (expand-file-name infile)) | |
2830 | (if (tramp-equal-remote default-directory infile) | |
2831 | ;; INFILE is on the same remote host. | |
2832 | (setq input (with-parsed-tramp-file-name infile nil localname)) | |
2833 | ;; INFILE must be copied to remote host. | |
2834 | (setq input (tramp-make-tramp-temp-file v) | |
2835 | tmpinput (tramp-make-tramp-file-name method user host input)) | |
2836 | (copy-file infile tmpinput t))) | |
2837 | (when input (setq command (format "%s <%s" command input))) | |
2838 | ||
2839 | ;; Determine output. | |
2840 | (cond | |
2841 | ;; Just a buffer. | |
2842 | ((bufferp destination) | |
2843 | (setq outbuf destination)) | |
2844 | ;; A buffer name. | |
2845 | ((stringp destination) | |
2846 | (setq outbuf (get-buffer-create destination))) | |
2847 | ;; (REAL-DESTINATION ERROR-DESTINATION) | |
2848 | ((consp destination) | |
2849 | ;; output. | |
2850 | (cond | |
2851 | ((bufferp (car destination)) | |
2852 | (setq outbuf (car destination))) | |
2853 | ((stringp (car destination)) | |
2854 | (setq outbuf (get-buffer-create (car destination)))) | |
2855 | ((car destination) | |
2856 | (setq outbuf (current-buffer)))) | |
2857 | ;; stderr. | |
2858 | (cond | |
2859 | ((stringp (cadr destination)) | |
2860 | (setcar (cdr destination) (expand-file-name (cadr destination))) | |
2861 | (if (tramp-equal-remote default-directory (cadr destination)) | |
2862 | ;; stderr is on the same remote host. | |
2863 | (setq stderr (with-parsed-tramp-file-name | |
2864 | (cadr destination) nil localname)) | |
2865 | ;; stderr must be copied to remote host. The temporary | |
2866 | ;; file must be deleted after execution. | |
2867 | (setq stderr (tramp-make-tramp-temp-file v) | |
2868 | tmpstderr (tramp-make-tramp-file-name | |
2869 | method user host stderr)))) | |
2870 | ;; stderr to be discarded. | |
2871 | ((null (cadr destination)) | |
2872 | (setq stderr "/dev/null")))) | |
2873 | ;; 't | |
2874 | (destination | |
2875 | (setq outbuf (current-buffer)))) | |
2876 | (when stderr (setq command (format "%s 2>%s" command stderr))) | |
2877 | ||
2878 | ;; Send the command. It might not return in time, so we protect | |
2879 | ;; it. Call it in a subshell, in order to preserve working | |
2880 | ;; directory. | |
2881 | (condition-case nil | |
2882 | (unwind-protect | |
2883 | (setq ret | |
2884 | (if (tramp-send-command-and-check | |
2885 | v (format "\\cd %s; %s" | |
2886 | (tramp-shell-quote-argument localname) | |
2887 | command) | |
2888 | t t) | |
2889 | 0 1)) | |
2890 | ;; We should show the output anyway. | |
2891 | (when outbuf | |
2892 | (with-current-buffer outbuf | |
2893 | (insert | |
2894 | (with-current-buffer (tramp-get-connection-buffer v) | |
2895 | (buffer-string)))) | |
2896 | (when display (display-buffer outbuf)))) | |
2897 | ;; When the user did interrupt, we should do it also. We use | |
2898 | ;; return code -1 as marker. | |
2899 | (quit | |
2900 | (kill-buffer (tramp-get-connection-buffer v)) | |
2901 | (setq ret -1)) | |
2902 | ;; Handle errors. | |
2903 | (error | |
2904 | (kill-buffer (tramp-get-connection-buffer v)) | |
2905 | (setq ret 1))) | |
2906 | ||
2907 | ;; Provide error file. | |
2908 | (when tmpstderr (rename-file tmpstderr (cadr destination) t)) | |
2909 | ||
2910 | ;; Cleanup. We remove all file cache values for the connection, | |
2911 | ;; because the remote process could have changed them. | |
2912 | (when tmpinput (delete-file tmpinput)) | |
2913 | ||
2914 | ;; `process-file-side-effects' has been introduced with GNU | |
2915 | ;; Emacs 23.2. If set to `nil', no remote file will be changed | |
2916 | ;; by `program'. If it doesn't exist, we assume its default | |
f5e29b9b | 2917 | ;; value `t'. |
03c1ad43 MA |
2918 | (unless (and (boundp 'process-file-side-effects) |
2919 | (not (symbol-value 'process-file-side-effects))) | |
2920 | (tramp-flush-directory-property v "")) | |
2921 | ||
2922 | ;; Return exit status. | |
2923 | (if (equal ret -1) | |
2924 | (keyboard-quit) | |
2925 | ret)))) | |
2926 | ||
4a93e698 | 2927 | (defun tramp-sh-handle-file-local-copy (filename) |
03c1ad43 | 2928 | "Like `file-local-copy' for Tramp files." |
03c1ad43 MA |
2929 | (with-parsed-tramp-file-name filename nil |
2930 | (unless (file-exists-p filename) | |
2931 | (tramp-error | |
2932 | v 'file-error | |
2933 | "Cannot make local copy of non-existing file `%s'" filename)) | |
2934 | ||
66feec8b | 2935 | (let* ((size (nth 7 (file-attributes (file-truename filename)))) |
03c1ad43 MA |
2936 | (rem-enc (tramp-get-inline-coding v "remote-encoding" size)) |
2937 | (loc-dec (tramp-get-inline-coding v "local-decoding" size)) | |
2938 | (tmpfile (tramp-compat-make-temp-file filename))) | |
2939 | ||
2940 | (condition-case err | |
2941 | (cond | |
2942 | ;; `copy-file' handles direct copy and out-of-band methods. | |
2943 | ((or (tramp-local-host-p v) | |
2944 | (tramp-method-out-of-band-p v size)) | |
2945 | (copy-file filename tmpfile t t)) | |
2946 | ||
2947 | ;; Use inline encoding for file transfer. | |
2948 | (rem-enc | |
2949 | (save-excursion | |
1d51f99c | 2950 | (with-tramp-progress-reporter |
d0853629 MA |
2951 | v 3 |
2952 | (format "Encoding remote file `%s' with `%s'" filename rem-enc) | |
03c1ad43 MA |
2953 | (tramp-barf-unless-okay |
2954 | v (format rem-enc (tramp-shell-quote-argument localname)) | |
2955 | "Encoding remote file failed")) | |
2956 | ||
d0853629 MA |
2957 | (with-tramp-progress-reporter |
2958 | v 3 (format "Decoding local file `%s' with `%s'" | |
2959 | tmpfile loc-dec) | |
2960 | (if (functionp loc-dec) | |
2961 | ;; If local decoding is a function, we call it. | |
2962 | ;; We must disable multibyte, because | |
2963 | ;; `uudecode-decode-region' doesn't handle it | |
2964 | ;; correctly. | |
2965 | (with-temp-buffer | |
2966 | (set-buffer-multibyte nil) | |
2967 | (insert-buffer-substring (tramp-get-buffer v)) | |
03c1ad43 MA |
2968 | (funcall loc-dec (point-min) (point-max)) |
2969 | ;; Unset `file-name-handler-alist'. Otherwise, | |
2970 | ;; epa-file gets confused. | |
2971 | (let (file-name-handler-alist | |
2972 | (coding-system-for-write 'binary)) | |
7ce8fcc3 MA |
2973 | (write-region |
2974 | (point-min) (point-max) tmpfile nil 'no-message))) | |
d0853629 MA |
2975 | |
2976 | ;; If tramp-decoding-function is not defined for this | |
2977 | ;; method, we invoke tramp-decoding-command instead. | |
2978 | (let ((tmpfile2 (tramp-compat-make-temp-file filename))) | |
2979 | ;; Unset `file-name-handler-alist'. Otherwise, | |
2980 | ;; epa-file gets confused. | |
2981 | (let (file-name-handler-alist | |
2982 | (coding-system-for-write 'binary)) | |
2983 | (with-current-buffer (tramp-get-buffer v) | |
7ce8fcc3 MA |
2984 | (write-region |
2985 | (point-min) (point-max) tmpfile2 nil 'no-message))) | |
03c1ad43 MA |
2986 | (unwind-protect |
2987 | (tramp-call-local-coding-command | |
2988 | loc-dec tmpfile2 tmpfile) | |
2989 | (delete-file tmpfile2))))) | |
2990 | ||
2991 | ;; Set proper permissions. | |
2992 | (set-file-modes tmpfile (tramp-default-file-modes filename)) | |
2993 | ;; Set local user ownership. | |
2994 | (tramp-set-file-uid-gid tmpfile))) | |
2995 | ||
2996 | ;; Oops, I don't know what to do. | |
2997 | (t (tramp-error | |
2998 | v 'file-error "Wrong method specification for `%s'" method))) | |
2999 | ||
3000 | ;; Error handling. | |
3001 | ((error quit) | |
3002 | (delete-file tmpfile) | |
3003 | (signal (car err) (cdr err)))) | |
3004 | ||
3005 | (run-hooks 'tramp-handle-file-local-copy-hook) | |
3006 | tmpfile))) | |
3007 | ||
03c1ad43 | 3008 | ;; This is needed for XEmacs only. Code stolen from files.el. |
4a93e698 | 3009 | (defun tramp-sh-handle-insert-file-contents-literally |
03c1ad43 MA |
3010 | (filename &optional visit beg end replace) |
3011 | "Like `insert-file-contents-literally' for Tramp files." | |
3012 | (let ((format-alist nil) | |
3013 | (after-insert-file-functions nil) | |
3014 | (coding-system-for-read 'no-conversion) | |
3015 | (coding-system-for-write 'no-conversion) | |
3016 | (find-buffer-file-type-function | |
3017 | (if (fboundp 'find-buffer-file-type) | |
3018 | (symbol-function 'find-buffer-file-type) | |
3019 | nil)) | |
3020 | (inhibit-file-name-handlers '(jka-compr-handler image-file-handler)) | |
3021 | (inhibit-file-name-operation 'insert-file-contents)) | |
3022 | (unwind-protect | |
3023 | (progn | |
5d89d9d2 | 3024 | (fset 'find-buffer-file-type (lambda (_filename) t)) |
03c1ad43 MA |
3025 | (insert-file-contents filename visit beg end replace)) |
3026 | ;; Save exit. | |
3027 | (if find-buffer-file-type-function | |
3028 | (fset 'find-buffer-file-type find-buffer-file-type-function) | |
3029 | (fmakunbound 'find-buffer-file-type))))) | |
3030 | ||
03c1ad43 | 3031 | ;; CCC grok LOCKNAME |
4a93e698 | 3032 | (defun tramp-sh-handle-write-region |
03c1ad43 MA |
3033 | (start end filename &optional append visit lockname confirm) |
3034 | "Like `write-region' for Tramp files." | |
3035 | (setq filename (expand-file-name filename)) | |
3036 | (with-parsed-tramp-file-name filename nil | |
3037 | ;; Following part commented out because we don't know what to do about | |
3038 | ;; file locking, and it does not appear to be a problem to ignore it. | |
3039 | ;; Ange-ftp ignores it, too. | |
3040 | ;; (when (and lockname (stringp lockname)) | |
3041 | ;; (setq lockname (expand-file-name lockname))) | |
3042 | ;; (unless (or (eq lockname nil) | |
3043 | ;; (string= lockname filename)) | |
3044 | ;; (error | |
4a93e698 | 3045 | ;; "tramp-sh-handle-write-region: LOCKNAME must be nil or equal FILENAME")) |
03c1ad43 MA |
3046 | |
3047 | ;; XEmacs takes a coding system as the seventh argument, not `confirm'. | |
3048 | (when (and (not (featurep 'xemacs)) confirm (file-exists-p filename)) | |
3049 | (unless (y-or-n-p (format "File %s exists; overwrite anyway? " filename)) | |
3050 | (tramp-error v 'file-error "File not overwritten"))) | |
3051 | ||
3052 | (let ((uid (or (nth 2 (tramp-compat-file-attributes filename 'integer)) | |
3053 | (tramp-get-remote-uid v 'integer))) | |
3054 | (gid (or (nth 3 (tramp-compat-file-attributes filename 'integer)) | |
3055 | (tramp-get-remote-gid v 'integer)))) | |
3056 | ||
3057 | (if (and (tramp-local-host-p v) | |
3058 | ;; `file-writable-p' calls `file-expand-file-name'. We | |
3059 | ;; cannot use `tramp-run-real-handler' therefore. | |
3060 | (let (file-name-handler-alist) | |
3061 | (and | |
3062 | (file-writable-p (file-name-directory localname)) | |
3063 | (or (file-directory-p localname) | |
3064 | (file-writable-p localname))))) | |
3065 | ;; Short track: if we are on the local host, we can run directly. | |
3066 | (tramp-run-real-handler | |
3067 | 'write-region | |
3068 | (list start end localname append 'no-message lockname confirm)) | |
3069 | ||
0372ee92 MA |
3070 | (let* ((modes (save-excursion (tramp-default-file-modes filename))) |
3071 | ;; We use this to save the value of | |
3072 | ;; `last-coding-system-used' after writing the tmp | |
3073 | ;; file. At the end of the function, we set | |
3074 | ;; `last-coding-system-used' to this saved value. This | |
3075 | ;; way, any intermediary coding systems used while | |
3076 | ;; talking to the remote shell or suchlike won't hose | |
3077 | ;; this variable. This approach was snarfed from | |
3078 | ;; ange-ftp.el. | |
3079 | coding-system-used | |
3080 | ;; Write region into a tmp file. This isn't really | |
3081 | ;; needed if we use an encoding function, but currently | |
3082 | ;; we use it always because this makes the logic | |
3083 | ;; simpler. We must also set `temporary-file-directory', | |
3084 | ;; because it could point to a remote directory. | |
3085 | (temporary-file-directory | |
3086 | (tramp-compat-temporary-file-directory)) | |
3087 | (tmpfile (or tramp-temp-buffer-file-name | |
3088 | (tramp-compat-make-temp-file filename)))) | |
03c1ad43 MA |
3089 | |
3090 | ;; If `append' is non-nil, we copy the file locally, and let | |
3091 | ;; the native `write-region' implementation do the job. | |
3092 | (when append (copy-file filename tmpfile 'ok)) | |
3093 | ||
3094 | ;; We say `no-message' here because we don't want the | |
3095 | ;; visited file modtime data to be clobbered from the temp | |
3096 | ;; file. We call `set-visited-file-modtime' ourselves later | |
3097 | ;; on. We must ensure that `file-coding-system-alist' | |
3098 | ;; matches `tmpfile'. | |
3099 | (let (file-name-handler-alist | |
3100 | (file-coding-system-alist | |
3101 | (tramp-find-file-name-coding-system-alist filename tmpfile))) | |
3102 | (condition-case err | |
3103 | (tramp-run-real-handler | |
3104 | 'write-region | |
3105 | (list start end tmpfile append 'no-message lockname confirm)) | |
3106 | ((error quit) | |
3107 | (setq tramp-temp-buffer-file-name nil) | |
3108 | (delete-file tmpfile) | |
3109 | (signal (car err) (cdr err)))) | |
3110 | ||
3111 | ;; Now, `last-coding-system-used' has the right value. Remember it. | |
3112 | (when (boundp 'last-coding-system-used) | |
3113 | (setq coding-system-used | |
3114 | (symbol-value 'last-coding-system-used)))) | |
3115 | ||
3116 | ;; The permissions of the temporary file should be set. If | |
3117 | ;; filename does not exist (eq modes nil) it has been | |
3118 | ;; renamed to the backup file. This case `save-buffer' | |
3119 | ;; handles permissions. | |
2c68ca0e | 3120 | ;; Ensure that it is still readable. |
03c1ad43 MA |
3121 | (when modes |
3122 | (set-file-modes | |
3123 | tmpfile | |
3124 | (logior (or modes 0) (tramp-compat-octal-to-decimal "0400")))) | |
3125 | ||
3126 | ;; This is a bit lengthy due to the different methods | |
3127 | ;; possible for file transfer. First, we check whether the | |
3128 | ;; method uses an rcp program. If so, we call it. | |
3129 | ;; Otherwise, both encoding and decoding command must be | |
3130 | ;; specified. However, if the method _also_ specifies an | |
3131 | ;; encoding function, then that is used for encoding the | |
3132 | ;; contents of the tmp file. | |
3133 | (let* ((size (nth 7 (file-attributes tmpfile))) | |
3134 | (rem-dec (tramp-get-inline-coding v "remote-decoding" size)) | |
3135 | (loc-enc (tramp-get-inline-coding v "local-encoding" size))) | |
3136 | (cond | |
3137 | ;; `copy-file' handles direct copy and out-of-band methods. | |
3138 | ((or (tramp-local-host-p v) | |
3139 | (tramp-method-out-of-band-p v size)) | |
3140 | (if (and (not (stringp start)) | |
3141 | (= (or end (point-max)) (point-max)) | |
3142 | (= (or start (point-min)) (point-min)) | |
3143 | (tramp-get-method-parameter | |
3144 | method 'tramp-copy-keep-tmpfile)) | |
3145 | (progn | |
3146 | (setq tramp-temp-buffer-file-name tmpfile) | |
3147 | (condition-case err | |
3148 | ;; We keep the local file for performance | |
3149 | ;; reasons, useful for "rsync". | |
3150 | (copy-file tmpfile filename t) | |
3151 | ((error quit) | |
3152 | (setq tramp-temp-buffer-file-name nil) | |
3153 | (delete-file tmpfile) | |
3154 | (signal (car err) (cdr err))))) | |
3155 | (setq tramp-temp-buffer-file-name nil) | |
3156 | ;; Don't rename, in order to keep context in SELinux. | |
3157 | (unwind-protect | |
3158 | (copy-file tmpfile filename t) | |
3159 | (delete-file tmpfile)))) | |
3160 | ||
3161 | ;; Use inline file transfer. | |
3162 | (rem-dec | |
3163 | ;; Encode tmpfile. | |
3164 | (unwind-protect | |
3165 | (with-temp-buffer | |
3166 | (set-buffer-multibyte nil) | |
3167 | ;; Use encoding function or command. | |
d0853629 MA |
3168 | (with-tramp-progress-reporter |
3169 | v 3 (format "Encoding local file `%s' using `%s'" | |
3170 | tmpfile loc-enc) | |
3171 | (if (functionp loc-enc) | |
3172 | ;; The following `let' is a workaround for | |
3173 | ;; the base64.el that comes with pgnus-0.84. | |
3174 | ;; If both of the following conditions are | |
03c1ad43 MA |
3175 | ;; satisfied, it tries to write to a local |
3176 | ;; file in default-directory, but at this | |
3177 | ;; point, default-directory is remote. | |
3178 | ;; (`call-process-region' can't write to | |
3179 | ;; remote files, it seems.) The file in | |
3180 | ;; question is a tmp file anyway. | |
d0853629 MA |
3181 | (let ((coding-system-for-read 'binary) |
3182 | (default-directory | |
03c1ad43 | 3183 | (tramp-compat-temporary-file-directory))) |
d0853629 MA |
3184 | (insert-file-contents-literally tmpfile) |
3185 | (funcall loc-enc (point-min) (point-max))) | |
03c1ad43 | 3186 | |
03c1ad43 MA |
3187 | (unless (zerop (tramp-call-local-coding-command |
3188 | loc-enc tmpfile t)) | |
3189 | (tramp-error | |
3190 | v 'file-error | |
3191 | (concat "Cannot write to `%s', " | |
3192 | "local encoding command `%s' failed") | |
3193 | filename loc-enc)))) | |
3194 | ||
3195 | ;; Send buffer into remote decoding command which | |
3196 | ;; writes to remote file. Because this happens on | |
3197 | ;; the remote host, we cannot use the function. | |
1d51f99c | 3198 | (with-tramp-progress-reporter |
d0853629 MA |
3199 | v 3 (format "Decoding remote file `%s' using `%s'" |
3200 | filename rem-dec) | |
03c1ad43 MA |
3201 | (goto-char (point-max)) |
3202 | (unless (bolp) (newline)) | |
3203 | (tramp-send-command | |
3204 | v | |
3205 | (format | |
9a83b32b | 3206 | (concat rem-dec " <<'%s'\n%s%s") |
03c1ad43 | 3207 | (tramp-shell-quote-argument localname) |
9a83b32b MA |
3208 | tramp-end-of-heredoc |
3209 | (buffer-string) | |
3210 | tramp-end-of-heredoc)) | |
03c1ad43 MA |
3211 | (tramp-barf-unless-okay |
3212 | v nil | |
3213 | "Couldn't write region to `%s', decode using `%s' failed" | |
3214 | filename rem-dec) | |
3215 | ;; When `file-precious-flag' is set, the region is | |
3216 | ;; written to a temporary file. Check that the | |
3217 | ;; checksum is equal to that from the local tmpfile. | |
3218 | (when file-precious-flag | |
3219 | (erase-buffer) | |
3220 | (and | |
3221 | ;; cksum runs locally, if possible. | |
d0853629 | 3222 | (zerop (tramp-call-process "cksum" tmpfile t)) |
03c1ad43 MA |
3223 | ;; cksum runs remotely. |
3224 | (tramp-send-command-and-check | |
3225 | v | |
3226 | (format | |
3227 | "cksum <%s" (tramp-shell-quote-argument localname))) | |
3228 | ;; ... they are different. | |
3229 | (not | |
3230 | (string-equal | |
3231 | (buffer-string) | |
3232 | (with-current-buffer (tramp-get-buffer v) | |
3233 | (buffer-string)))) | |
3234 | (tramp-error | |
3235 | v 'file-error | |
3236 | (concat "Couldn't write region to `%s'," | |
3237 | " decode using `%s' failed") | |
3238 | filename rem-dec))))) | |
3239 | ||
3240 | ;; Save exit. | |
3241 | (delete-file tmpfile))) | |
3242 | ||
3243 | ;; That's not expected. | |
3244 | (t | |
3245 | (tramp-error | |
3246 | v 'file-error | |
3247 | (concat "Method `%s' should specify both encoding and " | |
3248 | "decoding command or an rcp program") | |
3249 | method)))) | |
3250 | ||
3251 | ;; Make `last-coding-system-used' have the right value. | |
3252 | (when coding-system-used | |
3253 | (set 'last-coding-system-used coding-system-used)))) | |
3254 | ||
3255 | (tramp-flush-file-property v (file-name-directory localname)) | |
3256 | (tramp-flush-file-property v localname) | |
3257 | ||
3258 | ;; We must protect `last-coding-system-used', now we have set it | |
3259 | ;; to its correct value. | |
3260 | (let (last-coding-system-used (need-chown t)) | |
3261 | ;; Set file modification time. | |
3262 | (when (or (eq visit t) (stringp visit)) | |
957b3189 | 3263 | (let ((file-attr (tramp-compat-file-attributes filename 'integer))) |
03c1ad43 | 3264 | (set-visited-file-modtime |
2c68ca0e | 3265 | ;; We must pass modtime explicitly, because filename can |
03c1ad43 MA |
3266 | ;; be different from (buffer-file-name), f.e. if |
3267 | ;; `file-precious-flag' is set. | |
3268 | (nth 5 file-attr)) | |
957b3189 MA |
3269 | (when (and (= (nth 2 file-attr) uid) |
3270 | (= (nth 3 file-attr) gid)) | |
03c1ad43 MA |
3271 | (setq need-chown nil)))) |
3272 | ||
3273 | ;; Set the ownership. | |
3274 | (when need-chown | |
3275 | (tramp-set-file-uid-gid filename uid gid)) | |
3276 | (when (or (eq visit t) (null visit) (stringp visit)) | |
3277 | (tramp-message v 0 "Wrote %s" filename)) | |
3278 | (run-hooks 'tramp-handle-write-region-hook))))) | |
3279 | ||
3280 | (defvar tramp-vc-registered-file-names nil | |
3281 | "List used to collect file names, which are checked during `vc-registered'.") | |
3282 | ||
3283 | ;; VC backends check for the existence of various different special | |
3284 | ;; files. This is very time consuming, because every single check | |
3285 | ;; requires a remote command (the file cache must be invalidated). | |
3286 | ;; Therefore, we apply a kind of optimization. We install the file | |
3287 | ;; name handler `tramp-vc-file-name-handler', which does nothing but | |
3288 | ;; remembers all file names for which `file-exists-p' or | |
3289 | ;; `file-readable-p' has been applied. A first run of `vc-registered' | |
3290 | ;; is performed. Afterwards, a script is applied for all collected | |
3291 | ;; file names, using just one remote command. The result of this | |
3292 | ;; script is used to fill the file cache with actual values. Now we | |
3293 | ;; can reset the file name handlers, and we make a second run of | |
3294 | ;; `vc-registered', which returns the expected result without sending | |
3295 | ;; any other remote command. | |
4a93e698 | 3296 | (defun tramp-sh-handle-vc-registered (file) |
03c1ad43 | 3297 | "Like `vc-registered' for Tramp files." |
6139f995 | 3298 | (tramp-compat-with-temp-message "" |
03c1ad43 | 3299 | (with-parsed-tramp-file-name file nil |
1d51f99c | 3300 | (with-tramp-progress-reporter |
03c1ad43 MA |
3301 | v 3 (format "Checking `vc-registered' for %s" file) |
3302 | ||
3303 | ;; There could be new files, created by the vc backend. We | |
3304 | ;; cannot reuse the old cache entries, therefore. | |
3305 | (let (tramp-vc-registered-file-names | |
4bc3c53d | 3306 | (remote-file-name-inhibit-cache (current-time)) |
03c1ad43 MA |
3307 | (file-name-handler-alist |
3308 | `((,tramp-file-name-regexp . tramp-vc-file-name-handler)))) | |
3309 | ||
3310 | ;; Here we collect only file names, which need an operation. | |
957b3189 | 3311 | (ignore-errors (tramp-run-real-handler 'vc-registered (list file))) |
03c1ad43 MA |
3312 | (tramp-message v 10 "\n%s" tramp-vc-registered-file-names) |
3313 | ||
3314 | ;; Send just one command, in order to fill the cache. | |
3315 | (when tramp-vc-registered-file-names | |
3316 | (tramp-maybe-send-script | |
3317 | v | |
3318 | (format tramp-vc-registered-read-file-names | |
3319 | (tramp-get-file-exists-command v) | |
3320 | (format "%s -r" (tramp-get-test-command v))) | |
3321 | "tramp_vc_registered_read_file_names") | |
3322 | ||
3323 | (dolist | |
3324 | (elt | |
c7db4c06 MA |
3325 | (ignore-errors |
3326 | ;; We cannot use `tramp-send-command-and-read', | |
3327 | ;; because this does not cooperate well with | |
3328 | ;; heredoc documents. | |
3329 | (tramp-send-command | |
3330 | v | |
3331 | (format | |
3332 | "tramp_vc_registered_read_file_names <<'%s'\n%s\n%s\n" | |
3333 | tramp-end-of-heredoc | |
3334 | (mapconcat 'tramp-shell-quote-argument | |
3335 | tramp-vc-registered-file-names | |
3336 | "\n") | |
3337 | tramp-end-of-heredoc)) | |
3338 | (tramp-send-command-and-check v nil) | |
3339 | (with-current-buffer (tramp-get-connection-buffer v) | |
3340 | ;; Read the expression. | |
3341 | (goto-char (point-min)) | |
3342 | (read (current-buffer))))) | |
03c1ad43 MA |
3343 | |
3344 | (tramp-set-file-property | |
3345 | v (car elt) (cadr elt) (cadr (cdr elt)))))) | |
3346 | ||
3347 | ;; Second run. Now all `file-exists-p' or `file-readable-p' | |
3348 | ;; calls shall be answered from the file cache. We unset | |
3349 | ;; `process-file-side-effects' in order to keep the cache when | |
3350 | ;; `process-file' calls appear. | |
3351 | (let (process-file-side-effects) | |
f6dd8b36 MA |
3352 | (ignore-errors |
3353 | (tramp-run-real-handler 'vc-registered (list file)))))))) | |
03c1ad43 MA |
3354 | |
3355 | ;;;###tramp-autoload | |
3356 | (defun tramp-sh-file-name-handler (operation &rest args) | |
3357 | "Invoke remote-shell Tramp file name handler. | |
3358 | Fall back to normal file name handler if no Tramp handler exists." | |
3359 | (when (and tramp-locked (not tramp-locker)) | |
3360 | (setq tramp-locked nil) | |
3361 | (signal 'file-error (list "Forbidden reentrant call of Tramp"))) | |
3362 | (let ((tl tramp-locked)) | |
3363 | (unwind-protect | |
3364 | (progn | |
3365 | (setq tramp-locked t) | |
3366 | (let ((tramp-locker t)) | |
3367 | (save-match-data | |
3368 | (let ((fn (assoc operation tramp-sh-file-name-handler-alist))) | |
3369 | (if fn | |
3370 | (apply (cdr fn) args) | |
3371 | (tramp-run-real-handler operation args)))))) | |
3372 | (setq tramp-locked tl)))) | |
3373 | ||
3374 | (defun tramp-vc-file-name-handler (operation &rest args) | |
3375 | "Invoke special file name handler, which collects files to be handled." | |
3376 | (save-match-data | |
3377 | (let ((filename | |
3378 | (tramp-replace-environment-variables | |
3379 | (apply 'tramp-file-name-for-operation operation args))) | |
3380 | (fn (assoc operation tramp-sh-file-name-handler-alist))) | |
3381 | (with-parsed-tramp-file-name filename nil | |
3382 | (cond | |
3383 | ;; That's what we want: file names, for which checks are | |
2c68ca0e | 3384 | ;; applied. We assume that VC uses only `file-exists-p' and |
03c1ad43 MA |
3385 | ;; `file-readable-p' checks; otherwise we must extend the |
3386 | ;; list. We do not perform any action, but return nil, in | |
3387 | ;; order to keep `vc-registered' running. | |
3388 | ((and fn (memq operation '(file-exists-p file-readable-p))) | |
3389 | (add-to-list 'tramp-vc-registered-file-names localname 'append) | |
3390 | nil) | |
957b3189 MA |
3391 | ;; `process-file' and `start-file-process' shall be ignored. |
3392 | ((and fn (eq operation 'process-file) 0)) | |
3393 | ((and fn (eq operation 'start-file-process) nil)) | |
03c1ad43 MA |
3394 | ;; Tramp file name handlers like `expand-file-name'. They |
3395 | ;; must still work. | |
957b3189 | 3396 | (fn (save-match-data (apply (cdr fn) args))) |
03c1ad43 MA |
3397 | ;; Default file name handlers, we don't care. |
3398 | (t (tramp-run-real-handler operation args))))))) | |
3399 | ||
5d89d9d2 | 3400 | (defun tramp-sh-handle-file-notify-add-watch (file-name flags _callback) |
864c58ca MA |
3401 | "Like `file-notify-add-watch' for Tramp files." |
3402 | (setq file-name (expand-file-name file-name)) | |
3403 | (with-parsed-tramp-file-name file-name nil | |
3404 | (let* ((default-directory (file-name-directory file-name)) | |
4c1f03ef | 3405 | command events filter p sequence) |
ddbdfd6f MA |
3406 | (cond |
3407 | ;; gvfs-monitor-dir. | |
3408 | ((setq command (tramp-get-remote-gvfs-monitor-dir v)) | |
3409 | (setq filter 'tramp-sh-file-gvfs-monitor-dir-process-filter | |
4c1f03ef | 3410 | sequence `(,command ,localname))) |
ddbdfd6f MA |
3411 | ;; inotifywait. |
3412 | ((setq command (tramp-get-remote-inotifywait v)) | |
3413 | (setq filter 'tramp-sh-file-inotifywait-process-filter | |
3414 | events | |
3415 | (cond | |
3416 | ((and (memq 'change flags) (memq 'attribute-change flags)) | |
3417 | "create,modify,move,delete,attrib") | |
3418 | ((memq 'change flags) "create,modify,move,delete") | |
3419 | ((memq 'attribute-change flags) "attrib")) | |
4c1f03ef | 3420 | sequence `(,command "-mq" "-e" ,events ,localname))) |
ddbdfd6f MA |
3421 | ;; None. |
3422 | (t (tramp-error | |
3423 | v 'file-notify-error | |
3424 | "No file notification program found on %s" | |
3425 | (file-remote-p file-name)))) | |
4c1f03ef MA |
3426 | ;; Start process. |
3427 | (setq p (apply | |
3428 | 'start-file-process | |
3429 | (file-name-nondirectory command) | |
3430 | (generate-new-buffer | |
3431 | (format " *%s*" (file-name-nondirectory command))) | |
3432 | sequence)) | |
864c58ca MA |
3433 | ;; Return the process object as watch-descriptor. |
3434 | (if (not (processp p)) | |
3435 | (tramp-error | |
4c1f03ef MA |
3436 | v 'file-notify-error |
3437 | "`%s' failed to start on remote host" | |
3438 | (mapconcat 'identity sequence " ")) | |
3439 | (tramp-message v 6 "Run `%s', %S" (mapconcat 'identity sequence " ") p) | |
3440 | (tramp-set-connection-property p "vector" v) | |
864c58ca | 3441 | (tramp-compat-set-process-query-on-exit-flag p nil) |
ddbdfd6f | 3442 | (set-process-filter p filter) |
864c58ca MA |
3443 | p)))) |
3444 | ||
ddbdfd6f MA |
3445 | (defun tramp-sh-file-gvfs-monitor-dir-process-filter (proc string) |
3446 | "Read output from \"gvfs-monitor-dir\" and add corresponding file-notify events." | |
c0747758 MA |
3447 | (let ((remote-prefix |
3448 | (with-current-buffer (process-buffer proc) | |
3449 | (file-remote-p default-directory))) | |
54a42486 MA |
3450 | (rest-string (tramp-compat-process-get proc 'rest-string))) |
3451 | (when rest-string | |
a43dc424 MA |
3452 | (tramp-message proc 10 "Previous string:\n%s" rest-string)) |
3453 | (tramp-message proc 6 "%S\n%s" proc string) | |
54a42486 | 3454 | (setq string (concat rest-string string) |
c0747758 | 3455 | ;; Attribute change is returned in unused wording. |
af9ff9e8 | 3456 | string (tramp-compat-replace-regexp-in-string |
c0747758 MA |
3457 | "ATTRIB CHANGED" "ATTRIBUTE_CHANGED" string)) |
3458 | ||
3459 | (while (string-match | |
54a42486 MA |
3460 | (concat "^[\n\r]*" |
3461 | "Directory Monitor Event:[\n\r]+" | |
3462 | "Child = \\([^\n\r]+\\)[\n\r]+" | |
3463 | "\\(Other = \\([^\n\r]+\\)[\n\r]+\\)?" | |
3464 | "Event = \\([^[:blank:]]+\\)[\n\r]+") | |
3465 | string) | |
c0747758 MA |
3466 | (let ((object |
3467 | (list | |
3468 | proc | |
3469 | (intern-soft | |
af9ff9e8 | 3470 | (tramp-compat-replace-regexp-in-string |
c0747758 MA |
3471 | "_" "-" (downcase (match-string 4 string)))) |
3472 | ;; File names are returned as absolute paths. We must | |
3473 | ;; add the remote prefix. | |
3474 | (concat remote-prefix (match-string 1 string)) | |
3475 | (when (match-string 3 string) | |
3476 | (concat remote-prefix (match-string 3 string)))))) | |
54a42486 | 3477 | (setq string (replace-match "" nil nil string)) |
ddbdfd6f MA |
3478 | ;; Usually, we would add an Emacs event now. Unfortunately, |
3479 | ;; `unread-command-events' does not accept several events at | |
3480 | ;; once. Therefore, we apply the callback directly. | |
54a42486 | 3481 | (tramp-compat-funcall 'file-notify-callback object))) |
c0747758 | 3482 | |
54a42486 MA |
3483 | ;; Save rest of the string. |
3484 | (when (zerop (length string)) (setq string nil)) | |
a43dc424 | 3485 | (when string (tramp-message proc 10 "Rest string:\n%s" string)) |
54a42486 | 3486 | (tramp-compat-process-put proc 'rest-string string))) |
ddbdfd6f MA |
3487 | |
3488 | (defun tramp-sh-file-inotifywait-process-filter (proc string) | |
864c58ca | 3489 | "Read output from \"inotifywait\" and add corresponding file-notify events." |
a43dc424 | 3490 | (tramp-message proc 6 "%S\n%s" proc string) |
864c58ca MA |
3491 | (dolist (line (split-string string "[\n\r]+" 'omit-nulls)) |
3492 | ;; Check, whether there is a problem. | |
3493 | (unless | |
3494 | (string-match | |
54a42486 MA |
3495 | (concat "^[^[:blank:]]+" |
3496 | "[[:blank:]]+\\([^[:blank:]]+\\)+" | |
3497 | "\\([[:blank:]]+\\([^\n\r]+\\)\\)?") | |
3498 | line) | |
864c58ca MA |
3499 | (tramp-error proc 'file-notify-error "%s" line)) |
3500 | ||
ddbdfd6f MA |
3501 | (let ((object |
3502 | (list | |
3503 | proc | |
3504 | (mapcar | |
3505 | (lambda (x) | |
af9ff9e8 MA |
3506 | (intern-soft |
3507 | (tramp-compat-replace-regexp-in-string "_" "-" (downcase x)))) | |
ddbdfd6f MA |
3508 | (split-string (match-string 1 line) "," 'omit-nulls)) |
3509 | (match-string 3 line)))) | |
3510 | ;; Usually, we would add an Emacs event now. Unfortunately, | |
3511 | ;; `unread-command-events' does not accept several events at | |
3512 | ;; once. Therefore, we apply the callback directly. | |
864c58ca MA |
3513 | (tramp-compat-funcall 'file-notify-callback object)))) |
3514 | ||
03c1ad43 MA |
3515 | ;;; Internal Functions: |
3516 | ||
3517 | (defun tramp-maybe-send-script (vec script name) | |
3518 | "Define in remote shell function NAME implemented as SCRIPT. | |
3519 | Only send the definition if it has not already been done." | |
8a7eddd7 MA |
3520 | ;; We cannot let-bind (tramp-get-connection-process vec) because it |
3521 | ;; might be nil. | |
3522 | (let ((scripts (tramp-get-connection-property | |
3523 | (tramp-get-connection-process vec) "scripts" nil))) | |
03c1ad43 | 3524 | (unless (member name scripts) |
1d51f99c | 3525 | (with-tramp-progress-reporter vec 5 (format "Sending script `%s'" name) |
03c1ad43 | 3526 | ;; The script could contain a call of Perl. This is masked with `%s'. |
d0853629 MA |
3527 | (when (and (string-match "%s" script) |
3528 | (not (tramp-get-remote-perl vec))) | |
3529 | (tramp-error vec 'file-error "No Perl available on remote host")) | |
03c1ad43 MA |
3530 | (tramp-barf-unless-okay |
3531 | vec | |
3532 | (format "%s () {\n%s\n}" name | |
3533 | (format script (tramp-get-remote-perl vec))) | |
3534 | "Script %s sending failed" name) | |
8a7eddd7 MA |
3535 | (tramp-set-connection-property |
3536 | (tramp-get-connection-process vec) "scripts" (cons name scripts)))))) | |
03c1ad43 MA |
3537 | |
3538 | (defun tramp-set-auto-save () | |
3539 | (when (and ;; ange-ftp has its own auto-save mechanism | |
3540 | (eq (tramp-find-foreign-file-name-handler (buffer-file-name)) | |
3541 | 'tramp-sh-file-name-handler) | |
3542 | auto-save-default) | |
3543 | (auto-save-mode 1))) | |
3544 | (add-hook 'find-file-hooks 'tramp-set-auto-save t) | |
3545 | (add-hook 'tramp-unload-hook | |
3546 | (lambda () | |
3547 | (remove-hook 'find-file-hooks 'tramp-set-auto-save))) | |
3548 | ||
3549 | (defun tramp-run-test (switch filename) | |
3550 | "Run `test' on the remote system, given a SWITCH and a FILENAME. | |
3551 | Returns the exit code of the `test' program." | |
3552 | (with-parsed-tramp-file-name filename nil | |
3553 | (tramp-send-command-and-check | |
3554 | v | |
3555 | (format | |
3556 | "%s %s %s" | |
3557 | (tramp-get-test-command v) | |
3558 | switch | |
3559 | (tramp-shell-quote-argument localname))))) | |
3560 | ||
3561 | (defun tramp-run-test2 (format-string file1 file2) | |
3562 | "Run `test'-like program on the remote system, given FILE1, FILE2. | |
3563 | FORMAT-STRING contains the program name, switches, and place holders. | |
3564 | Returns the exit code of the `test' program. Barfs if the methods, | |
3565 | hosts, or files, disagree." | |
3566 | (unless (tramp-equal-remote file1 file2) | |
3567 | (with-parsed-tramp-file-name (if (tramp-tramp-file-p file1) file1 file2) nil | |
3568 | (tramp-error | |
3569 | v 'file-error | |
3570 | "tramp-run-test2 only implemented for same method, user, host"))) | |
3571 | (with-parsed-tramp-file-name file1 v1 | |
3572 | (with-parsed-tramp-file-name file1 v2 | |
3573 | (tramp-send-command-and-check | |
3574 | v1 | |
3575 | (format format-string | |
3576 | (tramp-shell-quote-argument v1-localname) | |
3577 | (tramp-shell-quote-argument v2-localname)))))) | |
3578 | ||
3579 | (defun tramp-find-executable | |
3580 | (vec progname dirlist &optional ignore-tilde ignore-path) | |
3581 | "Searches for PROGNAME in $PATH and all directories mentioned in DIRLIST. | |
3582 | First arg VEC specifies the connection, PROGNAME is the program | |
3583 | to search for, and DIRLIST gives the list of directories to | |
3584 | search. If IGNORE-TILDE is non-nil, directory names starting | |
3585 | with `~' will be ignored. If IGNORE-PATH is non-nil, searches | |
3586 | only in DIRLIST. | |
3587 | ||
3588 | Returns the absolute file name of PROGNAME, if found, and nil otherwise. | |
3589 | ||
3590 | This function expects to be in the right *tramp* buffer." | |
3591 | (with-current-buffer (tramp-get-connection-buffer vec) | |
3592 | (let (result) | |
3593 | ;; Check whether the executable is in $PATH. "which(1)" does not | |
3594 | ;; report always a correct error code; therefore we check the | |
3595 | ;; number of words it returns. | |
3596 | (unless ignore-path | |
3597 | (tramp-send-command vec (format "which \\%s | wc -w" progname)) | |
3598 | (goto-char (point-min)) | |
3599 | (if (looking-at "^\\s-*1$") | |
3600 | (setq result (concat "\\" progname)))) | |
3601 | (unless result | |
3602 | (when ignore-tilde | |
3603 | ;; Remove all ~/foo directories from dirlist. In XEmacs, | |
3604 | ;; `remove' is in CL, and we want to avoid CL dependencies. | |
3605 | (let (newdl d) | |
3606 | (while dirlist | |
3607 | (setq d (car dirlist)) | |
3608 | (setq dirlist (cdr dirlist)) | |
3609 | (unless (char-equal ?~ (aref d 0)) | |
3610 | (setq newdl (cons d newdl)))) | |
3611 | (setq dirlist (nreverse newdl)))) | |
3612 | (tramp-send-command | |
3613 | vec | |
3614 | (format (concat "while read d; " | |
3615 | "do if test -x $d/%s -a -f $d/%s; " | |
3616 | "then echo tramp_executable $d/%s; " | |
9a83b32b MA |
3617 | "break; fi; done <<'%s'\n" |
3618 | "%s\n%s") | |
3619 | progname progname progname | |
3620 | tramp-end-of-heredoc | |
3621 | (mapconcat 'identity dirlist "\n") | |
3622 | tramp-end-of-heredoc)) | |
03c1ad43 MA |
3623 | (goto-char (point-max)) |
3624 | (when (search-backward "tramp_executable " nil t) | |
3625 | (skip-chars-forward "^ ") | |
3626 | (skip-chars-forward " ") | |
6e060cee | 3627 | (setq result (buffer-substring (point) (point-at-eol))))) |
03c1ad43 MA |
3628 | result))) |
3629 | ||
3630 | (defun tramp-set-remote-path (vec) | |
3631 | "Sets the remote environment PATH to existing directories. | |
3632 | I.e., for each directory in `tramp-remote-path', it is tested | |
3633 | whether it exists and if so, it is added to the environment | |
3634 | variable PATH." | |
a43dc424 | 3635 | (tramp-message vec 5 "Setting $PATH environment variable") |
03c1ad43 MA |
3636 | (tramp-send-command |
3637 | vec (format "PATH=%s; export PATH" | |
3638 | (mapconcat 'identity (tramp-get-remote-path vec) ":")))) | |
3639 | ||
3640 | ;; ------------------------------------------------------------ | |
3641 | ;; -- Communication with external shell -- | |
3642 | ;; ------------------------------------------------------------ | |
3643 | ||
3644 | (defun tramp-find-file-exists-command (vec) | |
3645 | "Find a command on the remote host for checking if a file exists. | |
3646 | Here, we are looking for a command which has zero exit status if the | |
3647 | file exists and nonzero exit status otherwise." | |
3648 | (let ((existing "/") | |
fac916bf | 3649 | (nonexistent |
03c1ad43 MA |
3650 | (tramp-shell-quote-argument "/ this file does not exist ")) |
3651 | result) | |
3652 | ;; The algorithm is as follows: we try a list of several commands. | |
3653 | ;; For each command, we first run `$cmd /' -- this should return | |
3654 | ;; true, as the root directory always exists. And then we run | |
3655 | ;; `$cmd /this\ file\ does\ not\ exist ', hoping that the file indeed | |
3656 | ;; does not exist. This should return false. We use the first | |
3657 | ;; command we find that seems to work. | |
3658 | ;; The list of commands to try is as follows: | |
3659 | ;; `ls -d' This works on most systems, but NetBSD 1.4 | |
3660 | ;; has a bug: `ls' always returns zero exit | |
3661 | ;; status, even for files which don't exist. | |
3662 | ;; `test -e' Some Bourne shells have a `test' builtin | |
3663 | ;; which does not know the `-e' option. | |
3664 | ;; `/bin/test -e' For those, the `test' binary on disk normally | |
3665 | ;; provides the option. Alas, the binary | |
3666 | ;; is sometimes `/bin/test' and sometimes it's | |
3667 | ;; `/usr/bin/test'. | |
3668 | ;; `/usr/bin/test -e' In case `/bin/test' does not exist. | |
3669 | (unless (or | |
d9f9b465 MA |
3670 | (ignore-errors |
3671 | (and (setq result (format "%s -e" (tramp-get-test-command vec))) | |
3672 | (tramp-send-command-and-check | |
3673 | vec (format "%s %s" result existing)) | |
3674 | (not (tramp-send-command-and-check | |
3675 | vec (format "%s %s" result nonexistent))))) | |
3676 | (ignore-errors | |
3677 | (and (setq result "/bin/test -e") | |
3678 | (tramp-send-command-and-check | |
3679 | vec (format "%s %s" result existing)) | |
3680 | (not (tramp-send-command-and-check | |
3681 | vec (format "%s %s" result nonexistent))))) | |
3682 | (ignore-errors | |
3683 | (and (setq result "/usr/bin/test -e") | |
3684 | (tramp-send-command-and-check | |
3685 | vec (format "%s %s" result existing)) | |
3686 | (not (tramp-send-command-and-check | |
3687 | vec (format "%s %s" result nonexistent))))) | |
3688 | (ignore-errors | |
3689 | (and (setq result (format "%s -d" (tramp-get-ls-command vec))) | |
3690 | (tramp-send-command-and-check | |
3691 | vec (format "%s %s" result existing)) | |
3692 | (not (tramp-send-command-and-check | |
3693 | vec (format "%s %s" result nonexistent)))))) | |
03c1ad43 MA |
3694 | (tramp-error |
3695 | vec 'file-error "Couldn't find command to check if file exists")) | |
3696 | result)) | |
3697 | ||
3698 | (defun tramp-open-shell (vec shell) | |
3699 | "Opens shell SHELL." | |
1d51f99c | 3700 | (with-tramp-progress-reporter |
7d520089 | 3701 | vec 5 (format "Opening remote shell `%s'" shell) |
03c1ad43 MA |
3702 | ;; Find arguments for this shell. |
3703 | (let ((tramp-end-of-output tramp-initial-end-of-output) | |
3704 | (alist tramp-sh-extra-args) | |
3705 | item extra-args) | |
3706 | (while (and alist (null extra-args)) | |
3707 | (setq item (pop alist)) | |
3708 | (when (string-match (car item) shell) | |
3709 | (setq extra-args (cdr item)))) | |
03c1ad43 | 3710 | (tramp-send-command |
e1873bd0 MA |
3711 | vec (format |
3712 | "exec env ENV='' PROMPT_COMMAND='' PS1=%s PS2='' PS3='' %s %s" | |
3713 | (tramp-shell-quote-argument tramp-end-of-output) | |
3714 | shell (or extra-args "")) | |
03c1ad43 | 3715 | t)) |
e1873bd0 MA |
3716 | (tramp-set-connection-property |
3717 | (tramp-get-connection-process vec) "remote-shell" shell) | |
03c1ad43 MA |
3718 | ;; Setting prompts. |
3719 | (tramp-send-command | |
63648a95 | 3720 | vec (format "PS1=%s" (tramp-shell-quote-argument tramp-end-of-output)) t) |
03c1ad43 MA |
3721 | (tramp-send-command vec "PS2=''" t) |
3722 | (tramp-send-command vec "PS3=''" t) | |
3723 | (tramp-send-command vec "PROMPT_COMMAND=''" t))) | |
3724 | ||
3725 | (defun tramp-find-shell (vec) | |
3726 | "Opens a shell on the remote host which groks tilde expansion." | |
d9f9b465 | 3727 | (with-current-buffer (tramp-get-buffer vec) |
e1873bd0 MA |
3728 | (let ((default-shell |
3729 | (or | |
3730 | (tramp-get-connection-property | |
3731 | (tramp-get-connection-process vec) "remote-shell" nil) | |
3732 | (tramp-get-method-parameter | |
3733 | (tramp-file-name-method vec) 'tramp-remote-shell))) | |
d9f9b465 MA |
3734 | shell) |
3735 | (setq shell | |
1d51f99c | 3736 | (with-tramp-connection-property vec "remote-shell" |
d9f9b465 MA |
3737 | ;; CCC: "root" does not exist always, see QNAP 459. |
3738 | ;; Which check could we apply instead? | |
3739 | (tramp-send-command vec "echo ~root" t) | |
3740 | (if (or (string-match "^~root$" (buffer-string)) | |
3741 | ;; The default shell (ksh93) of OpenSolaris and | |
3742 | ;; Solaris is buggy. We've got reports for | |
3743 | ;; "SunOS 5.10" and "SunOS 5.11" so far. | |
3744 | (string-match (regexp-opt '("SunOS 5.10" "SunOS 5.11")) | |
3745 | (tramp-get-connection-property | |
3746 | vec "uname" ""))) | |
3747 | ||
3748 | (or (tramp-find-executable | |
3749 | vec "bash" (tramp-get-remote-path vec) t t) | |
3750 | (tramp-find-executable | |
3751 | vec "ksh" (tramp-get-remote-path vec) t t) | |
3752 | ;; Maybe it works at least for some other commands. | |
3753 | (prog1 | |
3754 | default-shell | |
3755 | (tramp-message | |
3756 | vec 2 | |
3757 | (concat | |
3758 | "Couldn't find a remote shell which groks tilde " | |
3759 | "expansion, using `%s'") | |
3760 | default-shell))) | |
3761 | ||
3762 | default-shell))) | |
3763 | ||
3764 | ;; Open a new shell if needed. | |
3765 | (unless (string-equal shell default-shell) | |
3766 | (tramp-message | |
3767 | vec 5 "Starting remote shell `%s' for tilde expansion" shell) | |
15b263dc | 3768 | (tramp-open-shell vec shell))))) |
03c1ad43 MA |
3769 | |
3770 | ;; Utility functions. | |
3771 | ||
3772 | (defun tramp-barf-if-no-shell-prompt (proc timeout &rest error-args) | |
3773 | "Wait for shell prompt and barf if none appears. | |
3774 | Looks at process PROC to see if a shell prompt appears in TIMEOUT | |
3775 | seconds. If not, it produces an error message with the given ERROR-ARGS." | |
525c5c77 | 3776 | (let ((vec (tramp-get-connection-property proc "vector" nil))) |
5d89d9d2 | 3777 | (condition-case nil |
525c5c77 MA |
3778 | (tramp-wait-for-regexp |
3779 | proc timeout | |
3780 | (format | |
3781 | "\\(%s\\|%s\\)\\'" shell-prompt-pattern tramp-shell-prompt-pattern)) | |
3782 | (error | |
3783 | (delete-process proc) | |
3784 | (apply 'tramp-error-with-buffer | |
3785 | (tramp-get-connection-buffer vec) vec 'file-error error-args))))) | |
03c1ad43 MA |
3786 | |
3787 | (defun tramp-open-connection-setup-interactive-shell (proc vec) | |
3788 | "Set up an interactive shell. | |
3789 | Mainly sets the prompt and the echo correctly. PROC is the shell | |
3790 | process to set up. VEC specifies the connection." | |
3791 | (let ((tramp-end-of-output tramp-initial-end-of-output)) | |
3792 | ;; It is useful to set the prompt in the following command because | |
3793 | ;; some people have a setting for $PS1 which /bin/sh doesn't know | |
3794 | ;; about and thus /bin/sh will display a strange prompt. For | |
3795 | ;; example, if $PS1 has "${CWD}" in the value, then ksh will | |
3796 | ;; display the current working directory but /bin/sh will display | |
3797 | ;; a dollar sign. The following command line sets $PS1 to a sane | |
3798 | ;; value, and works under Bourne-ish shells as well as csh-like | |
3799 | ;; shells. Daniel Pittman reports that the unusual positioning of | |
3800 | ;; the single quotes makes it work under `rc', too. We also unset | |
3801 | ;; the variable $ENV because that is read by some sh | |
3802 | ;; implementations (eg, bash when called as sh) on startup; this | |
6e060cee | 3803 | ;; way, we avoid the startup file clobbering $PS1. $PROMPT_COMMAND |
03c1ad43 MA |
3804 | ;; is another way to set the prompt in /bin/bash, it must be |
3805 | ;; discarded as well. | |
3806 | (tramp-open-shell | |
3807 | vec | |
e1873bd0 MA |
3808 | (or (tramp-get-connection-property vec "remote-shell" nil) |
3809 | (tramp-get-method-parameter | |
3810 | (tramp-file-name-method vec) 'tramp-remote-shell))) | |
03c1ad43 MA |
3811 | |
3812 | ;; Disable echo. | |
3813 | (tramp-message vec 5 "Setting up remote shell environment") | |
3814 | (tramp-send-command vec "stty -inlcr -echo kill '^U' erase '^H'" t) | |
3815 | ;; Check whether the echo has really been disabled. Some | |
3816 | ;; implementations, like busybox of embedded GNU/Linux, don't | |
3817 | ;; support disabling. | |
3818 | (tramp-send-command vec "echo foo" t) | |
3819 | (with-current-buffer (process-buffer proc) | |
3820 | (goto-char (point-min)) | |
3821 | (when (looking-at "echo foo") | |
3822 | (tramp-set-connection-property proc "remote-echo" t) | |
3823 | (tramp-message vec 5 "Remote echo still on. Ok.") | |
3824 | ;; Make sure backspaces and their echo are enabled and no line | |
3825 | ;; width magic interferes with them. | |
3826 | (tramp-send-command vec "stty icanon erase ^H cols 32767" t)))) | |
3827 | ||
3828 | (tramp-message vec 5 "Setting shell prompt") | |
3829 | (tramp-send-command | |
63648a95 | 3830 | vec (format "PS1=%s" (tramp-shell-quote-argument tramp-end-of-output)) t) |
03c1ad43 MA |
3831 | (tramp-send-command vec "PS2=''" t) |
3832 | (tramp-send-command vec "PS3=''" t) | |
3833 | (tramp-send-command vec "PROMPT_COMMAND=''" t) | |
3834 | ||
3835 | ;; Try to set up the coding system correctly. | |
3836 | ;; CCC this can't be the right way to do it. Hm. | |
3837 | (tramp-message vec 5 "Determining coding system") | |
3838 | (tramp-send-command vec "echo foo ; echo bar" t) | |
3839 | (with-current-buffer (process-buffer proc) | |
3840 | (goto-char (point-min)) | |
3841 | (if (featurep 'mule) | |
3842 | ;; Use MULE to select the right EOL convention for communicating | |
3843 | ;; with the process. | |
3844 | (let* ((cs (or (tramp-compat-funcall 'process-coding-system proc) | |
3845 | (cons 'undecided 'undecided))) | |
3846 | cs-decode cs-encode) | |
3847 | (when (symbolp cs) (setq cs (cons cs cs))) | |
3848 | (setq cs-decode (car cs)) | |
3849 | (setq cs-encode (cdr cs)) | |
3850 | (unless cs-decode (setq cs-decode 'undecided)) | |
3851 | (unless cs-encode (setq cs-encode 'undecided)) | |
bd8fadca | 3852 | (setq cs-encode (tramp-compat-coding-system-change-eol-conversion |
03c1ad43 MA |
3853 | cs-encode 'unix)) |
3854 | (when (search-forward "\r" nil t) | |
bd8fadca | 3855 | (setq cs-decode (tramp-compat-coding-system-change-eol-conversion |
03c1ad43 MA |
3856 | cs-decode 'dos))) |
3857 | (tramp-compat-funcall | |
3858 | 'set-buffer-process-coding-system cs-decode cs-encode) | |
3859 | (tramp-message | |
3860 | vec 5 "Setting coding system to `%s' and `%s'" cs-decode cs-encode)) | |
3861 | ;; Look for ^M and do something useful if found. | |
3862 | (when (search-forward "\r" nil t) | |
3863 | ;; We have found a ^M but cannot frob the process coding system | |
3864 | ;; because we're running on a non-MULE Emacs. Let's try | |
3865 | ;; stty, instead. | |
3866 | (tramp-send-command vec "stty -onlcr" t)))) | |
aa095b2d | 3867 | |
03c1ad43 MA |
3868 | (tramp-send-command vec "set +o vi +o emacs" t) |
3869 | ||
3870 | ;; Check whether the output of "uname -sr" has been changed. If | |
3871 | ;; yes, this is a strong indication that we must expire all | |
3872 | ;; connection properties. We start again with | |
333f9019 | 3873 | ;; `tramp-maybe-open-connection', it will be caught there. |
03c1ad43 MA |
3874 | (tramp-message vec 5 "Checking system information") |
3875 | (let ((old-uname (tramp-get-connection-property vec "uname" nil)) | |
3876 | (new-uname | |
3877 | (tramp-set-connection-property | |
3878 | vec "uname" | |
3879 | (tramp-send-command-and-read vec "echo \\\"`uname -sr`\\\"")))) | |
3880 | (when (and (stringp old-uname) (not (string-equal old-uname new-uname))) | |
2fe4b125 MA |
3881 | (tramp-message |
3882 | vec 3 | |
3883 | "Connection reset, because remote host changed from `%s' to `%s'" | |
3884 | old-uname new-uname) | |
6480194c MA |
3885 | ;; We want to keep the password. |
3886 | (tramp-cleanup-connection vec t t) | |
2fe4b125 | 3887 | (throw 'uname-changed (tramp-maybe-open-connection vec)))) |
03c1ad43 MA |
3888 | |
3889 | ;; Check whether the remote host suffers from buggy | |
3890 | ;; `send-process-string'. This is known for FreeBSD (see comment in | |
3891 | ;; `send_process', file process.c). I've tested sending 624 bytes | |
3892 | ;; successfully, sending 625 bytes failed. Emacs makes a hack when | |
3893 | ;; this host type is detected locally. It cannot handle remote | |
3894 | ;; hosts, though. | |
1d51f99c | 3895 | (with-tramp-connection-property proc "chunksize" |
03c1ad43 MA |
3896 | (cond |
3897 | ((and (integerp tramp-chunksize) (> tramp-chunksize 0)) | |
3898 | tramp-chunksize) | |
3899 | (t | |
3900 | (tramp-message | |
3901 | vec 5 "Checking remote host type for `send-process-string' bug") | |
3902 | (if (string-match | |
3903 | "^FreeBSD" (tramp-get-connection-property vec "uname" "")) | |
3904 | 500 0)))) | |
3905 | ||
3906 | ;; Set remote PATH variable. | |
3907 | (tramp-set-remote-path vec) | |
3908 | ||
3909 | ;; Search for a good shell before searching for a command which | |
d9f9b465 | 3910 | ;; checks if a file exists. This is done because Tramp wants to use |
03c1ad43 MA |
3911 | ;; "test foo; echo $?" to check if various conditions hold, and |
3912 | ;; there are buggy /bin/sh implementations which don't execute the | |
3913 | ;; "echo $?" part if the "test" part has an error. In particular, | |
3914 | ;; the OpenSolaris /bin/sh is a problem. There are also other | |
3915 | ;; problems with /bin/sh of OpenSolaris, like redirection of stderr | |
3916 | ;; in function declarations, or changing HISTFILE in place. | |
3917 | ;; Therefore, OpenSolaris' /bin/sh is replaced by bash, when | |
3918 | ;; detected. | |
3919 | (tramp-find-shell vec) | |
3920 | ||
3921 | ;; Disable unexpected output. | |
3922 | (tramp-send-command vec "mesg n; biff n" t) | |
3923 | ||
3924 | ;; IRIX64 bash expands "!" even when in single quotes. This | |
3925 | ;; destroys our shell functions, we must disable it. See | |
3926 | ;; <http://stackoverflow.com/questions/3291692/irix-bash-shell-expands-expression-in-single-quotes-yet-shouldnt>. | |
3927 | (when (string-match "^IRIX64" (tramp-get-connection-property vec "uname" "")) | |
3928 | (tramp-send-command vec "set +H" t)) | |
3929 | ||
aa095b2d MA |
3930 | ;; On BSD-like systems, ?\t is expanded to spaces. Suppress this. |
3931 | (when (string-match "BSD\\|Darwin" | |
3932 | (tramp-get-connection-property vec "uname" "")) | |
3933 | (tramp-send-command vec "stty -oxtabs" t)) | |
3934 | ||
03c1ad43 | 3935 | ;; Set `remote-tty' process property. |
6d95bd46 MA |
3936 | (let ((tty (tramp-send-command-and-read vec "echo \\\"`tty`\\\"" 'noerror))) |
3937 | (unless (zerop (length tty)) | |
3938 | (tramp-compat-process-put proc 'remote-tty tty))) | |
03c1ad43 | 3939 | |
aa095b2d MA |
3940 | ;; Dump stty settings in the traces. |
3941 | (when (>= tramp-verbose 9) | |
3942 | (tramp-send-command vec "stty -a" t)) | |
3943 | ||
03c1ad43 MA |
3944 | ;; Set the environment. |
3945 | (tramp-message vec 5 "Setting default environment") | |
3946 | ||
a8a15d9d MA |
3947 | (let ((env (append `(,(tramp-get-remote-locale vec)) |
3948 | (copy-sequence tramp-remote-process-environment))) | |
03c1ad43 MA |
3949 | unset item) |
3950 | (while env | |
3951 | (setq item (tramp-compat-split-string (car env) "=")) | |
3952 | (setcdr item (mapconcat 'identity (cdr item) "=")) | |
3953 | (if (and (stringp (cdr item)) (not (string-equal (cdr item) ""))) | |
3954 | (tramp-send-command | |
3955 | vec (format "%s=%s; export %s" (car item) (cdr item) (car item)) t) | |
3956 | (push (car item) unset)) | |
3957 | (setq env (cdr env))) | |
3958 | (when unset | |
3959 | (tramp-send-command | |
3960 | vec (format "unset %s" (mapconcat 'identity unset " ")) t)))) | |
3961 | ||
03c1ad43 MA |
3962 | ;; Old text from documentation of tramp-methods: |
3963 | ;; Using a uuencode/uudecode inline method is discouraged, please use one | |
3964 | ;; of the base64 methods instead since base64 encoding is much more | |
3965 | ;; reliable and the commands are more standardized between the different | |
3966 | ;; Unix versions. But if you can't use base64 for some reason, please | |
3967 | ;; note that the default uudecode command does not work well for some | |
3968 | ;; Unices, in particular AIX and Irix. For AIX, you might want to use | |
3969 | ;; the following command for uudecode: | |
3970 | ;; | |
3971 | ;; sed '/^begin/d;/^[` ]$/d;/^end/d' | iconv -f uucode -t ISO8859-1 | |
3972 | ;; | |
3973 | ;; For Irix, no solution is known yet. | |
3974 | ||
3975 | (autoload 'uudecode-decode-region "uudecode") | |
3976 | ||
3977 | (defconst tramp-local-coding-commands | |
d0853629 | 3978 | `((b64 base64-encode-region base64-decode-region) |
03c1ad43 | 3979 | (uu tramp-uuencode-region uudecode-decode-region) |
d0853629 | 3980 | (pack ,(format tramp-perl-pack "perl") ,(format tramp-perl-unpack "perl"))) |
03c1ad43 MA |
3981 | "List of local coding commands for inline transfer. |
3982 | Each item is a list that looks like this: | |
3983 | ||
3984 | \(FORMAT ENCODING DECODING\) | |
3985 | ||
3986 | FORMAT is symbol describing the encoding/decoding format. It can be | |
3987 | `b64' for base64 encoding, `uu' for uu encoding, or `pack' for simple packing. | |
3988 | ||
3989 | ENCODING and DECODING can be strings, giving commands, or symbols, | |
3990 | giving functions. If they are strings, then they can contain | |
3991 | the \"%s\" format specifier. If that specifier is present, the input | |
3992 | filename will be put into the command line at that spot. If the | |
3993 | specifier is not present, the input should be read from standard | |
3994 | input. | |
3995 | ||
3996 | If they are functions, they will be called with two arguments, start | |
3997 | and end of region, and are expected to replace the region contents | |
3998 | with the encoded or decoded results, respectively.") | |
3999 | ||
4000 | (defconst tramp-remote-coding-commands | |
6e060cee MA |
4001 | '((b64 "base64" "base64 -d -i") |
4002 | ;; "-i" is more robust with older base64 from GNU coreutils. | |
4003 | ;; However, I don't know whether all base64 versions do supports | |
4004 | ;; this option. | |
4005 | (b64 "base64" "base64 -d") | |
03c1ad43 MA |
4006 | (b64 "mimencode -b" "mimencode -u -b") |
4007 | (b64 "mmencode -b" "mmencode -u -b") | |
4008 | (b64 "recode data..base64" "recode base64..data") | |
4009 | (b64 tramp-perl-encode-with-module tramp-perl-decode-with-module) | |
4010 | (b64 tramp-perl-encode tramp-perl-decode) | |
2fe4b125 | 4011 | (uu "uuencode xxx" "uudecode -o /dev/stdout" "test -c /dev/stdout") |
03c1ad43 MA |
4012 | (uu "uuencode xxx" "uudecode -o -") |
4013 | (uu "uuencode xxx" "uudecode -p") | |
4014 | (uu "uuencode xxx" tramp-uudecode) | |
d0853629 | 4015 | (pack tramp-perl-pack tramp-perl-unpack)) |
03c1ad43 MA |
4016 | "List of remote coding commands for inline transfer. |
4017 | Each item is a list that looks like this: | |
4018 | ||
2fe4b125 | 4019 | \(FORMAT ENCODING DECODING [TEST]\) |
03c1ad43 MA |
4020 | |
4021 | FORMAT is symbol describing the encoding/decoding format. It can be | |
4022 | `b64' for base64 encoding, `uu' for uu encoding, or `pack' for simple packing. | |
4023 | ||
4024 | ENCODING and DECODING can be strings, giving commands, or symbols, | |
4025 | giving variables. If they are strings, then they can contain | |
4026 | the \"%s\" format specifier. If that specifier is present, the input | |
4027 | filename will be put into the command line at that spot. If the | |
4028 | specifier is not present, the input should be read from standard | |
4029 | input. | |
4030 | ||
4031 | If they are variables, this variable is a string containing a Perl | |
4032 | implementation for this functionality. This Perl program will be transferred | |
2fe4b125 MA |
4033 | to the remote host, and it is available as shell function with the same name. |
4034 | ||
4035 | The optional TEST command can be used for further tests, whether | |
4036 | ENCODING and DECODING are applicable.") | |
03c1ad43 MA |
4037 | |
4038 | (defun tramp-find-inline-encoding (vec) | |
4039 | "Find an inline transfer encoding that works. | |
4040 | Goes through the list `tramp-local-coding-commands' and | |
4041 | `tramp-remote-coding-commands'." | |
4042 | (save-excursion | |
4043 | (let ((local-commands tramp-local-coding-commands) | |
4044 | (magic "xyzzy") | |
2fe4b125 MA |
4045 | (p (tramp-get-connection-process vec)) |
4046 | loc-enc loc-dec rem-enc rem-dec rem-test litem ritem found) | |
03c1ad43 MA |
4047 | (while (and local-commands (not found)) |
4048 | (setq litem (pop local-commands)) | |
4049 | (catch 'wont-work-local | |
4050 | (let ((format (nth 0 litem)) | |
4051 | (remote-commands tramp-remote-coding-commands)) | |
4052 | (setq loc-enc (nth 1 litem)) | |
4053 | (setq loc-dec (nth 2 litem)) | |
4054 | ;; If the local encoder or decoder is a string, the | |
4055 | ;; corresponding command has to work locally. | |
4056 | (if (not (stringp loc-enc)) | |
4057 | (tramp-message | |
4058 | vec 5 "Checking local encoding function `%s'" loc-enc) | |
4059 | (tramp-message | |
4060 | vec 5 "Checking local encoding command `%s' for sanity" loc-enc) | |
4061 | (unless (zerop (tramp-call-local-coding-command | |
4062 | loc-enc nil nil)) | |
4063 | (throw 'wont-work-local nil))) | |
4064 | (if (not (stringp loc-dec)) | |
4065 | (tramp-message | |
4066 | vec 5 "Checking local decoding function `%s'" loc-dec) | |
4067 | (tramp-message | |
4068 | vec 5 "Checking local decoding command `%s' for sanity" loc-dec) | |
4069 | (unless (zerop (tramp-call-local-coding-command | |
4070 | loc-dec nil nil)) | |
4071 | (throw 'wont-work-local nil))) | |
4072 | ;; Search for remote coding commands with the same format | |
4073 | (while (and remote-commands (not found)) | |
4074 | (setq ritem (pop remote-commands)) | |
4075 | (catch 'wont-work-remote | |
4076 | (when (equal format (nth 0 ritem)) | |
4077 | (setq rem-enc (nth 1 ritem)) | |
4078 | (setq rem-dec (nth 2 ritem)) | |
2fe4b125 MA |
4079 | (setq rem-test (nth 3 ritem)) |
4080 | ;; Check the remote test command if exists. | |
4081 | (when (stringp rem-test) | |
4082 | (tramp-message | |
4083 | vec 5 "Checking remote test command `%s'" rem-test) | |
4084 | (unless (tramp-send-command-and-check vec rem-test t) | |
4085 | (throw 'wont-work-remote nil))) | |
03c1ad43 MA |
4086 | ;; Check if remote encoding and decoding commands can be |
4087 | ;; called remotely with null input and output. This makes | |
4088 | ;; sure there are no syntax errors and the command is really | |
4089 | ;; found. Note that we do not redirect stdout to /dev/null, | |
4090 | ;; for two reasons: when checking the decoding command, we | |
4091 | ;; actually check the output it gives. And also, when | |
4092 | ;; redirecting "mimencode" output to /dev/null, then as root | |
4093 | ;; it might change the permissions of /dev/null! | |
4094 | (when (not (stringp rem-enc)) | |
4095 | (let ((name (symbol-name rem-enc))) | |
4096 | (while (string-match (regexp-quote "-") name) | |
4097 | (setq name (replace-match "_" nil t name))) | |
4098 | (tramp-maybe-send-script vec (symbol-value rem-enc) name) | |
4099 | (setq rem-enc name))) | |
4100 | (tramp-message | |
4101 | vec 5 | |
4102 | "Checking remote encoding command `%s' for sanity" rem-enc) | |
4103 | (unless (tramp-send-command-and-check | |
4104 | vec (format "%s </dev/null" rem-enc) t) | |
4105 | (throw 'wont-work-remote nil)) | |
4106 | ||
4107 | (when (not (stringp rem-dec)) | |
4108 | (let ((name (symbol-name rem-dec))) | |
4109 | (while (string-match (regexp-quote "-") name) | |
4110 | (setq name (replace-match "_" nil t name))) | |
4111 | (tramp-maybe-send-script vec (symbol-value rem-dec) name) | |
4112 | (setq rem-dec name))) | |
4113 | (tramp-message | |
4114 | vec 5 | |
4115 | "Checking remote decoding command `%s' for sanity" rem-dec) | |
4116 | (unless (tramp-send-command-and-check | |
4117 | vec | |
4118 | (format "echo %s | %s | %s" magic rem-enc rem-dec) | |
4119 | t) | |
4120 | (throw 'wont-work-remote nil)) | |
4121 | ||
4122 | (with-current-buffer (tramp-get-buffer vec) | |
4123 | (goto-char (point-min)) | |
4124 | (unless (looking-at (regexp-quote magic)) | |
4125 | (throw 'wont-work-remote nil))) | |
4126 | ||
4127 | ;; `rem-enc' and `rem-dec' could be a string meanwhile. | |
4128 | (setq rem-enc (nth 1 ritem)) | |
4129 | (setq rem-dec (nth 2 ritem)) | |
4130 | (setq found t))))))) | |
4131 | ||
4132 | ;; Did we find something? | |
4133 | (unless found | |
4134 | (tramp-error | |
4135 | vec 'file-error "Couldn't find an inline transfer encoding")) | |
4136 | ||
2fe4b125 MA |
4137 | ;; Set connection properties. Since the commands are risky (due |
4138 | ;; to output direction), we cache them in the process cache. | |
03c1ad43 | 4139 | (tramp-message vec 5 "Using local encoding `%s'" loc-enc) |
2fe4b125 | 4140 | (tramp-set-connection-property p "local-encoding" loc-enc) |
03c1ad43 | 4141 | (tramp-message vec 5 "Using local decoding `%s'" loc-dec) |
2fe4b125 | 4142 | (tramp-set-connection-property p "local-decoding" loc-dec) |
03c1ad43 | 4143 | (tramp-message vec 5 "Using remote encoding `%s'" rem-enc) |
2fe4b125 | 4144 | (tramp-set-connection-property p "remote-encoding" rem-enc) |
03c1ad43 | 4145 | (tramp-message vec 5 "Using remote decoding `%s'" rem-dec) |
2fe4b125 | 4146 | (tramp-set-connection-property p "remote-decoding" rem-dec)))) |
03c1ad43 MA |
4147 | |
4148 | (defun tramp-call-local-coding-command (cmd input output) | |
4149 | "Call the local encoding or decoding command. | |
4150 | If CMD contains \"%s\", provide input file INPUT there in command. | |
4151 | Otherwise, INPUT is passed via standard input. | |
4152 | INPUT can also be nil which means `/dev/null'. | |
4153 | OUTPUT can be a string (which specifies a filename), or t (which | |
4154 | means standard output and thus the current buffer), or nil (which | |
4155 | means discard it)." | |
d0853629 | 4156 | (tramp-call-process |
03c1ad43 MA |
4157 | tramp-encoding-shell |
4158 | (when (and input (not (string-match "%s" cmd))) input) | |
4159 | (if (eq output t) t nil) | |
4160 | nil | |
4161 | tramp-encoding-command-switch | |
4162 | (concat | |
4163 | (if (string-match "%s" cmd) (format cmd input) cmd) | |
d0853629 | 4164 | (if (stringp output) (concat " >" output) "")))) |
03c1ad43 MA |
4165 | |
4166 | (defconst tramp-inline-compress-commands | |
4167 | '(("gzip" "gzip -d") | |
4168 | ("bzip2" "bzip2 -d") | |
443d6696 | 4169 | ("xz" "xz -d") |
03c1ad43 MA |
4170 | ("compress" "compress -d")) |
4171 | "List of compress and decompress commands for inline transfer. | |
4172 | Each item is a list that looks like this: | |
4173 | ||
4174 | \(COMPRESS DECOMPRESS\) | |
4175 | ||
4176 | COMPRESS or DECOMPRESS are strings with the respective commands.") | |
4177 | ||
4178 | (defun tramp-find-inline-compress (vec) | |
4179 | "Find an inline transfer compress command that works. | |
4180 | Goes through the list `tramp-inline-compress-commands'." | |
4181 | (save-excursion | |
4182 | (let ((commands tramp-inline-compress-commands) | |
4183 | (magic "xyzzy") | |
2fe4b125 MA |
4184 | (p (tramp-get-connection-process vec)) |
4185 | item compress decompress found) | |
03c1ad43 MA |
4186 | (while (and commands (not found)) |
4187 | (catch 'next | |
4188 | (setq item (pop commands) | |
4189 | compress (nth 0 item) | |
4190 | decompress (nth 1 item)) | |
4191 | (tramp-message | |
4192 | vec 5 | |
d0853629 | 4193 | "Checking local compress commands `%s', `%s' for sanity" |
03c1ad43 | 4194 | compress decompress) |
362b9d48 GM |
4195 | (unless |
4196 | (zerop | |
4197 | (tramp-call-local-coding-command | |
4198 | (format | |
4199 | ;; Windows shells need the program file name after | |
4200 | ;; the pipe symbol be quoted if they use forward | |
4201 | ;; slashes as directory separators. | |
4202 | (if (memq system-type '(windows-nt)) | |
4203 | "echo %s | \"%s\" | \"%s\"" | |
4204 | "echo %s | %s | %s") | |
4205 | magic compress decompress) nil nil)) | |
03c1ad43 MA |
4206 | (throw 'next nil)) |
4207 | (tramp-message | |
4208 | vec 5 | |
d0853629 | 4209 | "Checking remote compress commands `%s', `%s' for sanity" |
03c1ad43 MA |
4210 | compress decompress) |
4211 | (unless (tramp-send-command-and-check | |
4212 | vec (format "echo %s | %s | %s" magic compress decompress) t) | |
4213 | (throw 'next nil)) | |
4214 | (setq found t))) | |
4215 | ||
4216 | ;; Did we find something? | |
4217 | (if found | |
4218 | (progn | |
2fe4b125 MA |
4219 | ;; Set connection properties. Since the commands are |
4220 | ;; risky (due to output direction), we cache them in the | |
4221 | ;; process cache. | |
03c1ad43 MA |
4222 | (tramp-message |
4223 | vec 5 "Using inline transfer compress command `%s'" compress) | |
2fe4b125 | 4224 | (tramp-set-connection-property p "inline-compress" compress) |
03c1ad43 MA |
4225 | (tramp-message |
4226 | vec 5 "Using inline transfer decompress command `%s'" decompress) | |
2fe4b125 | 4227 | (tramp-set-connection-property p "inline-decompress" decompress)) |
03c1ad43 | 4228 | |
2fe4b125 MA |
4229 | (tramp-set-connection-property p "inline-compress" nil) |
4230 | (tramp-set-connection-property p "inline-decompress" nil) | |
03c1ad43 MA |
4231 | (tramp-message |
4232 | vec 2 "Couldn't find an inline transfer compress command"))))) | |
4233 | ||
4234 | (defun tramp-compute-multi-hops (vec) | |
4235 | "Expands VEC according to `tramp-default-proxies-alist'. | |
4236 | Gateway hops are already opened." | |
4237 | (let ((target-alist `(,vec)) | |
2fe4b125 MA |
4238 | (hops (or (tramp-file-name-hop vec) "")) |
4239 | (item vec) | |
4240 | choices proxy) | |
4241 | ||
4242 | ;; Ad-hoc proxy definitions. | |
4243 | (dolist (proxy (reverse (split-string hops tramp-postfix-hop-regexp 'omit))) | |
4244 | (let ((user (tramp-file-name-user item)) | |
4245 | (host (tramp-file-name-host item)) | |
4246 | (proxy (concat | |
4247 | tramp-prefix-format proxy tramp-postfix-host-format))) | |
4248 | (tramp-message | |
4249 | vec 5 "Add proxy (\"%s\" \"%s\" \"%s\")" | |
4250 | (and (stringp host) (regexp-quote host)) | |
4251 | (and (stringp user) (regexp-quote user)) | |
4252 | proxy) | |
4253 | ;; Add the hop. | |
4254 | (add-to-list | |
4255 | 'tramp-default-proxies-alist | |
4256 | (list (and (stringp host) (regexp-quote host)) | |
4257 | (and (stringp user) (regexp-quote user)) | |
4258 | proxy)) | |
4259 | (setq item (tramp-dissect-file-name proxy)))) | |
4260 | ;; Save the new value. | |
4261 | (when (and hops tramp-save-ad-hoc-proxies) | |
4262 | (customize-save-variable | |
4263 | 'tramp-default-proxies-alist tramp-default-proxies-alist)) | |
03c1ad43 MA |
4264 | |
4265 | ;; Look for proxy hosts to be passed. | |
2fe4b125 | 4266 | (setq choices tramp-default-proxies-alist) |
03c1ad43 MA |
4267 | (while choices |
4268 | (setq item (pop choices) | |
4269 | proxy (eval (nth 2 item))) | |
4270 | (when (and | |
2fe4b125 | 4271 | ;; Host. |
03c1ad43 MA |
4272 | (string-match (or (eval (nth 0 item)) "") |
4273 | (or (tramp-file-name-host (car target-alist)) "")) | |
2fe4b125 | 4274 | ;; User. |
03c1ad43 MA |
4275 | (string-match (or (eval (nth 1 item)) "") |
4276 | (or (tramp-file-name-user (car target-alist)) ""))) | |
4277 | (if (null proxy) | |
4278 | ;; No more hops needed. | |
4279 | (setq choices nil) | |
4280 | ;; Replace placeholders. | |
4281 | (setq proxy | |
4282 | (format-spec | |
4283 | proxy | |
4284 | (format-spec-make | |
4285 | ?u (or (tramp-file-name-user (car target-alist)) "") | |
4286 | ?h (or (tramp-file-name-host (car target-alist)) "")))) | |
4287 | (with-parsed-tramp-file-name proxy l | |
4288 | ;; Add the hop. | |
af9ff9e8 | 4289 | (push l target-alist) |
03c1ad43 MA |
4290 | ;; Start next search. |
4291 | (setq choices tramp-default-proxies-alist))))) | |
4292 | ||
4293 | ;; Handle gateways. | |
61642d9a | 4294 | (when (and (boundp 'tramp-gw-tunnel-method) (boundp 'tramp-gw-socks-method) |
ea55064c MA |
4295 | (string-match |
4296 | (format | |
4297 | "^\\(%s\\|%s\\)$" tramp-gw-tunnel-method tramp-gw-socks-method) | |
4298 | (tramp-file-name-method (car target-alist)))) | |
03c1ad43 MA |
4299 | (let ((gw (pop target-alist)) |
4300 | (hop (pop target-alist))) | |
4301 | ;; Is the method prepared for gateways? | |
66feec8b | 4302 | (unless (tramp-file-name-port hop) |
03c1ad43 MA |
4303 | (tramp-error |
4304 | vec 'file-error | |
66feec8b | 4305 | "Connection `%s' is not supported for gateway access." hop)) |
03c1ad43 | 4306 | ;; Open the gateway connection. |
af9ff9e8 | 4307 | (push |
03c1ad43 MA |
4308 | (vector |
4309 | (tramp-file-name-method hop) (tramp-file-name-user hop) | |
38726039 | 4310 | (tramp-compat-funcall 'tramp-gw-open-connection vec gw hop) nil nil) |
af9ff9e8 | 4311 | target-alist) |
03c1ad43 MA |
4312 | ;; For the password prompt, we need the correct values. |
4313 | ;; Therefore, we must remember the gateway vector. But we | |
4314 | ;; cannot do it as connection property, because it shouldn't | |
4315 | ;; be persistent. And we have no started process yet either. | |
4316 | (tramp-set-file-property (car target-alist) "" "gateway" hop))) | |
4317 | ||
4318 | ;; Foreign and out-of-band methods are not supported for multi-hops. | |
4319 | (when (cdr target-alist) | |
4320 | (setq choices target-alist) | |
4321 | (while choices | |
4322 | (setq item (pop choices)) | |
4323 | (when | |
4324 | (or | |
4325 | (not | |
4326 | (tramp-get-method-parameter | |
4327 | (tramp-file-name-method item) 'tramp-login-program)) | |
4328 | (tramp-get-method-parameter | |
4329 | (tramp-file-name-method item) 'tramp-copy-program)) | |
4330 | (tramp-error | |
4331 | vec 'file-error | |
4332 | "Method `%s' is not supported for multi-hops." | |
4333 | (tramp-file-name-method item))))) | |
4334 | ||
4335 | ;; In case the host name is not used for the remote shell | |
4336 | ;; command, the user could be misguided by applying a random | |
4337 | ;; hostname. | |
4338 | (let* ((v (car target-alist)) | |
4339 | (method (tramp-file-name-method v)) | |
4340 | (host (tramp-file-name-host v))) | |
4341 | (unless | |
4342 | (or | |
4343 | ;; There are multi-hops. | |
4344 | (cdr target-alist) | |
4345 | ;; The host name is used for the remote shell command. | |
4346 | (member | |
4347 | '("%h") (tramp-get-method-parameter method 'tramp-login-args)) | |
4348 | ;; The host is local. We cannot use `tramp-local-host-p' | |
4349 | ;; here, because it opens a connection as well. | |
4350 | (string-match tramp-local-host-regexp host)) | |
4351 | (tramp-error | |
4352 | v 'file-error | |
4353 | "Host `%s' looks like a remote host, `%s' can only use the local host" | |
4354 | host method))) | |
4355 | ||
4356 | ;; Result. | |
4357 | target-alist)) | |
4358 | ||
4359 | (defun tramp-maybe-open-connection (vec) | |
4360 | "Maybe open a connection VEC. | |
4361 | Does not do anything if a connection is already open, but re-opens the | |
4362 | connection if a previous connection has died for some reason." | |
35c3d36e | 4363 | (tramp-check-proper-method-and-host vec) |
78fc2530 | 4364 | |
6480194c MA |
4365 | (let ((p (tramp-get-connection-process vec)) |
4366 | (process-name (tramp-get-connection-property vec "process-name" nil)) | |
4367 | (process-environment (copy-sequence process-environment)) | |
4368 | (pos (with-current-buffer (tramp-get-connection-buffer vec) (point)))) | |
4369 | ||
4370 | ;; If Tramp opens the same connection within a short time frame, | |
4371 | ;; there is a problem. We shall signal this. | |
4372 | (unless (or (and p (processp p) (memq (process-status p) '(run open))) | |
4373 | (not (equal (butlast (append vec nil) 2) | |
4374 | (car tramp-current-connection))) | |
4375 | (> (tramp-time-diff | |
4376 | (current-time) (cdr tramp-current-connection)) | |
4377 | (or tramp-connection-min-time-diff 0))) | |
4378 | (throw 'suppress 'suppress)) | |
4379 | ||
4380 | ;; If too much time has passed since last command was sent, look | |
4381 | ;; whether process is still alive. If it isn't, kill it. When | |
4382 | ;; using ssh, it can sometimes happen that the remote end has hung | |
4383 | ;; up but the local ssh client doesn't recognize this until it | |
4384 | ;; tries to send some data to the remote end. So that's why we | |
4385 | ;; try to send a command from time to time, then look again | |
4386 | ;; whether the process is really alive. | |
4387 | (condition-case nil | |
4388 | (when (and (> (tramp-time-diff | |
4389 | (current-time) | |
4390 | (tramp-get-connection-property | |
4391 | p "last-cmd-time" '(0 0 0))) | |
4392 | 60) | |
4393 | p (processp p) (memq (process-status p) '(run open))) | |
4394 | (tramp-send-command vec "echo are you awake" t t) | |
4395 | (unless (and (memq (process-status p) '(run open)) | |
4396 | (tramp-wait-for-output p 10)) | |
4397 | ;; The error will be caught locally. | |
4398 | (tramp-error vec 'file-error "Awake did fail"))) | |
4399 | (file-error | |
4400 | (tramp-cleanup-connection vec t) | |
4401 | (setq p nil))) | |
4402 | ||
4403 | ;; New connection must be opened. | |
4404 | (condition-case err | |
4405 | (unless (and p (processp p) (memq (process-status p) '(run open))) | |
4406 | ||
6480194c MA |
4407 | ;; If `non-essential' is non-nil, don't reopen a new connection. |
4408 | (when (and (boundp 'non-essential) (symbol-value 'non-essential)) | |
4409 | (throw 'non-essential 'non-essential)) | |
4410 | ||
4411 | (with-tramp-progress-reporter | |
4412 | vec 3 | |
4413 | (if (zerop (length (tramp-file-name-user vec))) | |
4414 | (format "Opening connection for %s using %s" | |
6bdac736 | 4415 | (tramp-file-name-host vec) |
6480194c MA |
4416 | (tramp-file-name-method vec)) |
4417 | (format "Opening connection for %s@%s using %s" | |
4418 | (tramp-file-name-user vec) | |
4419 | (tramp-file-name-host vec) | |
4420 | (tramp-file-name-method vec))) | |
6bdac736 | 4421 | |
6480194c | 4422 | (catch 'uname-changed |
6bdac736 MA |
4423 | ;; Start new process. |
4424 | (when (and p (processp p)) | |
4425 | (delete-process p)) | |
4426 | (setenv "TERM" tramp-terminal-type) | |
e675b3e4 | 4427 | (setenv "LC_ALL" "en_US.utf8") |
6bdac736 MA |
4428 | (setenv "PROMPT_COMMAND") |
4429 | (setenv "PS1" tramp-initial-end-of-output) | |
4430 | (let* ((target-alist (tramp-compute-multi-hops vec)) | |
c57a0aff MA |
4431 | ;; We will apply `tramp-ssh-controlmaster-options' |
4432 | ;; only for the first hop. | |
78822e94 MA |
4433 | (options (if tramp-use-ssh-controlmaster-options |
4434 | tramp-ssh-controlmaster-options "")) | |
6bdac736 MA |
4435 | (process-connection-type tramp-process-connection-type) |
4436 | (process-adaptive-read-buffering nil) | |
4437 | (coding-system-for-read nil) | |
4438 | ;; This must be done in order to avoid our file | |
4439 | ;; name handler. | |
4440 | (p (let ((default-directory | |
4441 | (tramp-compat-temporary-file-directory))) | |
4442 | (apply | |
4443 | 'start-process | |
4444 | (tramp-get-connection-name vec) | |
4445 | (tramp-get-connection-buffer vec) | |
4446 | (if tramp-encoding-command-interactive | |
4447 | (list tramp-encoding-shell | |
4448 | tramp-encoding-command-interactive) | |
4449 | (list tramp-encoding-shell)))))) | |
4450 | ||
4451 | ;; Set sentinel and query flag. | |
4452 | (tramp-set-connection-property p "vector" vec) | |
4453 | (set-process-sentinel p 'tramp-process-sentinel) | |
4454 | (tramp-compat-set-process-query-on-exit-flag p nil) | |
2fe4b125 | 4455 | (setq tramp-current-connection |
525c5c77 | 4456 | (cons (butlast (append vec nil) 2) (current-time)) |
07b151f1 | 4457 | tramp-current-host (system-name)) |
6d95bd46 | 4458 | |
03c1ad43 | 4459 | (tramp-message |
6bdac736 MA |
4460 | vec 6 "%s" (mapconcat 'identity (process-command p) " ")) |
4461 | ||
4462 | ;; Check whether process is alive. | |
4463 | (tramp-barf-if-no-shell-prompt | |
88f6a933 | 4464 | p 10 |
525c5c77 | 4465 | "Couldn't find local shell prompt for %s" tramp-encoding-shell) |
6bdac736 MA |
4466 | |
4467 | ;; Now do all the connections as specified. | |
4468 | (while target-alist | |
4469 | (let* ((hop (car target-alist)) | |
4470 | (l-method (tramp-file-name-method hop)) | |
4471 | (l-user (tramp-file-name-user hop)) | |
4472 | (l-host (tramp-file-name-host hop)) | |
4473 | (l-port nil) | |
4474 | (login-program | |
4475 | (tramp-get-method-parameter | |
4476 | l-method 'tramp-login-program)) | |
4477 | (login-args | |
4478 | (tramp-get-method-parameter | |
4479 | l-method 'tramp-login-args)) | |
4480 | (async-args | |
4481 | (tramp-get-method-parameter | |
4482 | l-method 'tramp-async-args)) | |
88f6a933 MA |
4483 | (connection-timeout |
4484 | (tramp-get-method-parameter | |
4485 | l-method 'tramp-connection-timeout)) | |
6bdac736 MA |
4486 | (gw-args |
4487 | (tramp-get-method-parameter l-method 'tramp-gw-args)) | |
4488 | (gw (tramp-get-file-property hop "" "gateway" nil)) | |
4489 | (g-method (and gw (tramp-file-name-method gw))) | |
4490 | (g-user (and gw (tramp-file-name-user gw))) | |
4491 | (g-host (and gw (tramp-file-name-real-host gw))) | |
4492 | (command login-program) | |
4493 | ;; We don't create the temporary file. In | |
4494 | ;; fact, it is just a prefix for the | |
4495 | ;; ControlPath option of ssh; the real | |
4496 | ;; temporary file has another name, and it is | |
4497 | ;; created and protected by ssh. It is also | |
4498 | ;; removed by ssh when the connection is | |
d7291032 MA |
4499 | ;; closed. The temporary file name is cached |
4500 | ;; in the main connection process, therefore | |
4501 | ;; we cannot use `tramp-get-connection-process'. | |
6bdac736 | 4502 | (tmpfile |
d7291032 MA |
4503 | (with-tramp-connection-property |
4504 | (get-process (tramp-buffer-name vec)) "temp-file" | |
4505 | (make-temp-name | |
4506 | (expand-file-name | |
4507 | tramp-temp-name-prefix | |
4508 | (tramp-compat-temporary-file-directory))))) | |
07b151f1 | 4509 | spec r-shell) |
6bdac736 MA |
4510 | |
4511 | ;; Add arguments for asynchronous processes. | |
4512 | (when (and process-name async-args) | |
4513 | (setq login-args (append async-args login-args))) | |
4514 | ||
4515 | ;; Add gateway arguments if necessary. | |
4516 | (when (and gw gw-args) | |
4517 | (setq login-args (append gw-args login-args))) | |
4518 | ||
4519 | ;; Check for port number. Until now, there's no | |
4520 | ;; need for handling like method, user, host. | |
4521 | (when (string-match tramp-host-with-port-regexp l-host) | |
4522 | (setq l-port (match-string 2 l-host) | |
4523 | l-host (match-string 1 l-host))) | |
4524 | ||
07b151f1 MA |
4525 | ;; Check, whether there is a restricted shell. |
4526 | (dolist (elt tramp-restricted-shell-hosts-alist) | |
4527 | (when (string-match elt tramp-current-host) | |
4528 | (setq r-shell t))) | |
4529 | ||
6bdac736 MA |
4530 | ;; Set variables for computing the prompt for |
4531 | ;; reading password. They can also be derived | |
4532 | ;; from a gateway. | |
4533 | (setq tramp-current-method (or g-method l-method) | |
4534 | tramp-current-user (or g-user l-user) | |
4535 | tramp-current-host (or g-host l-host)) | |
4536 | ||
e675b3e4 | 4537 | ;; Replace `login-args' place holders. |
6bdac736 MA |
4538 | (setq |
4539 | l-host (or l-host "") | |
4540 | l-user (or l-user "") | |
4541 | l-port (or l-port "") | |
c57a0aff MA |
4542 | spec (format-spec-make ?t tmpfile) |
4543 | options (format-spec options spec) | |
6bdac736 | 4544 | spec (format-spec-make |
c57a0aff | 4545 | ?h l-host ?u l-user ?p l-port ?c options) |
6bdac736 MA |
4546 | command |
4547 | (concat | |
4548 | ;; We do not want to see the trailing local | |
4549 | ;; prompt in `start-file-process'. | |
07b151f1 | 4550 | (unless r-shell "exec ") |
6bdac736 MA |
4551 | command " " |
4552 | (mapconcat | |
4553 | (lambda (x) | |
4554 | (setq x (mapcar (lambda (y) (format-spec y spec)) x)) | |
4555 | (unless (member "" x) (mapconcat 'identity x " "))) | |
4556 | login-args " ") | |
4557 | ;; Local shell could be a Windows COMSPEC. It | |
4558 | ;; doesn't know the ";" syntax, but we must exit | |
07b151f1 MA |
4559 | ;; always for `start-file-process'. It could |
4560 | ;; also be a restricted shell, which does not | |
4561 | ;; allow "exec". | |
4562 | (when r-shell " && exit || exit"))) | |
6bdac736 MA |
4563 | |
4564 | ;; Send the command. | |
4565 | (tramp-message vec 3 "Sending command `%s'" command) | |
4566 | (tramp-send-command vec command t t) | |
4567 | (tramp-process-actions | |
88f6a933 MA |
4568 | p vec pos tramp-actions-before-shell |
4569 | (or connection-timeout tramp-connection-timeout)) | |
6bdac736 MA |
4570 | (tramp-message |
4571 | vec 3 "Found remote shell prompt on `%s'" l-host)) | |
4572 | ;; Next hop. | |
c57a0aff MA |
4573 | (setq options "" |
4574 | target-alist (cdr target-alist))) | |
6bdac736 MA |
4575 | |
4576 | ;; Make initial shell settings. | |
6480194c | 4577 | (tramp-open-connection-setup-interactive-shell p vec))))) |
6bdac736 | 4578 | |
6480194c MA |
4579 | ;; When the user did interrupt, we must cleanup. |
4580 | (quit | |
4581 | (tramp-cleanup-connection vec t) | |
4582 | ;; Propagate the quit signal. | |
4583 | (signal (car err) (cdr err)))))) | |
03c1ad43 MA |
4584 | |
4585 | (defun tramp-send-command (vec command &optional neveropen nooutput) | |
4586 | "Send the COMMAND to connection VEC. | |
4587 | Erases temporary buffer before sending the command. If optional | |
4588 | arg NEVEROPEN is non-nil, never try to open the connection. This | |
4589 | is meant to be used from `tramp-maybe-open-connection' only. The | |
4590 | function waits for output unless NOOUTPUT is set." | |
4591 | (unless neveropen (tramp-maybe-open-connection vec)) | |
4592 | (let ((p (tramp-get-connection-process vec))) | |
4593 | (when (tramp-get-connection-property p "remote-echo" nil) | |
4594 | ;; We mark the command string that it can be erased in the output buffer. | |
4595 | (tramp-set-connection-property p "check-remote-echo" t) | |
4596 | (setq command (format "%s%s%s" tramp-echo-mark command tramp-echo-mark))) | |
01d884cf | 4597 | ;; Send the command. |
03c1ad43 MA |
4598 | (tramp-message vec 6 "%s" command) |
4599 | (tramp-send-string vec command) | |
4600 | (unless nooutput (tramp-wait-for-output p)))) | |
4601 | ||
4602 | (defun tramp-wait-for-output (proc &optional timeout) | |
4603 | "Wait for output from remote command." | |
4604 | (unless (buffer-live-p (process-buffer proc)) | |
4605 | (delete-process proc) | |
4606 | (tramp-error proc 'file-error "Process `%s' not available, try again" proc)) | |
4607 | (with-current-buffer (process-buffer proc) | |
4608 | (let* (;; Initially, `tramp-end-of-output' is "#$ ". There might | |
4609 | ;; be leading escape sequences, which must be ignored. | |
4610 | (regexp (format "[^#$\n]*%s\r?$" (regexp-quote tramp-end-of-output))) | |
4611 | ;; Sometimes, the commands do not return a newline but a | |
4612 | ;; null byte before the shell prompt, for example "git | |
4613 | ;; ls-files -c -z ...". | |
4614 | (regexp1 (format "\\(^\\|\000\\)%s" regexp)) | |
4615 | (found (tramp-wait-for-regexp proc timeout regexp1))) | |
4616 | (if found | |
4617 | (let (buffer-read-only) | |
4618 | ;; A simple-minded busybox has sent " ^H" sequences. | |
4619 | ;; Delete them. | |
4620 | (goto-char (point-min)) | |
6e060cee | 4621 | (when (re-search-forward "^\\(.\b\\)+$" (point-at-eol) t) |
03c1ad43 MA |
4622 | (forward-line 1) |
4623 | (delete-region (point-min) (point))) | |
4624 | ;; Delete the prompt. | |
4625 | (goto-char (point-max)) | |
4626 | (re-search-backward regexp nil t) | |
4627 | (delete-region (point) (point-max))) | |
4628 | (if timeout | |
4629 | (tramp-error | |
4630 | proc 'file-error | |
4631 | "[[Remote prompt `%s' not found in %d secs]]" | |
4632 | tramp-end-of-output timeout) | |
4633 | (tramp-error | |
4634 | proc 'file-error | |
4635 | "[[Remote prompt `%s' not found]]" tramp-end-of-output))) | |
4636 | ;; Return value is whether end-of-output sentinel was found. | |
4637 | found))) | |
4638 | ||
4639 | (defun tramp-send-command-and-check | |
4640 | (vec command &optional subshell dont-suppress-err) | |
4641 | "Run COMMAND and check its exit status. | |
4642 | Sends `echo $?' along with the COMMAND for checking the exit status. If | |
4643 | COMMAND is nil, just sends `echo $?'. Returns the exit status found. | |
4644 | ||
4645 | If the optional argument SUBSHELL is non-nil, the command is | |
4646 | executed in a subshell, ie surrounded by parentheses. If | |
4647 | DONT-SUPPRESS-ERR is non-nil, stderr won't be sent to /dev/null." | |
4648 | (tramp-send-command | |
4649 | vec | |
4650 | (concat (if subshell "( " "") | |
4651 | command | |
4652 | (if command (if dont-suppress-err "; " " 2>/dev/null; ") "") | |
4653 | "echo tramp_exit_status $?" | |
4654 | (if subshell " )" ""))) | |
4655 | (with-current-buffer (tramp-get-connection-buffer vec) | |
4656 | (goto-char (point-max)) | |
4657 | (unless (re-search-backward "tramp_exit_status [0-9]+" nil t) | |
4658 | (tramp-error | |
4659 | vec 'file-error "Couldn't find exit status of `%s'" command)) | |
4660 | (skip-chars-forward "^ ") | |
4661 | (prog1 | |
4662 | (zerop (read (current-buffer))) | |
4663 | (let (buffer-read-only) | |
4664 | (delete-region (match-beginning 0) (point-max)))))) | |
4665 | ||
4666 | (defun tramp-barf-unless-okay (vec command fmt &rest args) | |
4667 | "Run COMMAND, check exit status, throw error if exit status not okay. | |
4668 | Similar to `tramp-send-command-and-check' but accepts two more arguments | |
4669 | FMT and ARGS which are passed to `error'." | |
0b3f36df MA |
4670 | (or (tramp-send-command-and-check vec command) |
4671 | (apply 'tramp-error vec 'file-error fmt args))) | |
03c1ad43 | 4672 | |
6d95bd46 | 4673 | (defun tramp-send-command-and-read (vec command &optional noerror) |
03c1ad43 | 4674 | "Run COMMAND and return the output, which must be a Lisp expression. |
6d95bd46 MA |
4675 | In case there is no valid Lisp expression and NOERROR is nil, it |
4676 | raises an error." | |
0b3f36df MA |
4677 | (when (if noerror |
4678 | (tramp-send-command-and-check vec command) | |
4679 | (tramp-barf-unless-okay | |
4680 | vec command "`%s' returns with error" command)) | |
4681 | (with-current-buffer (tramp-get-connection-buffer vec) | |
4682 | ;; Read the expression. | |
4683 | (goto-char (point-min)) | |
4684 | (condition-case nil | |
4685 | (prog1 (read (current-buffer)) | |
4686 | ;; Error handling. | |
4687 | (when (re-search-forward "\\S-" (point-at-eol) t) | |
4688 | (error nil))) | |
4689 | (error (unless noerror | |
4690 | (tramp-error | |
4691 | vec 'file-error | |
4692 | "`%s' does not return a valid Lisp expression: `%s'" | |
4693 | command (buffer-string)))))))) | |
03c1ad43 | 4694 | |
03c1ad43 | 4695 | (defun tramp-convert-file-attributes (vec attr) |
f99ced35 | 4696 | "Convert `file-attributes' ATTR generated by perl script, stat or ls. |
03c1ad43 MA |
4697 | Convert file mode bits to string and set virtual device number. |
4698 | Return ATTR." | |
4699 | (when attr | |
6d95bd46 MA |
4700 | ;; Remove color escape sequences from symlink. |
4701 | (when (stringp (car attr)) | |
4702 | (while (string-match tramp-color-escape-sequence-regexp (car attr)) | |
4703 | (setcar attr (replace-match "" nil nil (car attr))))) | |
f99ced35 MA |
4704 | ;; Convert uid and gid. Use -1 as indication of unusable value. |
4705 | (when (and (numberp (nth 2 attr)) (< (nth 2 attr) 0)) | |
4706 | (setcar (nthcdr 2 attr) -1)) | |
4707 | (when (and (floatp (nth 2 attr)) | |
4708 | (<= (nth 2 attr) (tramp-compat-most-positive-fixnum))) | |
4709 | (setcar (nthcdr 2 attr) (round (nth 2 attr)))) | |
4710 | (when (and (numberp (nth 3 attr)) (< (nth 3 attr) 0)) | |
4711 | (setcar (nthcdr 3 attr) -1)) | |
4712 | (when (and (floatp (nth 3 attr)) | |
4713 | (<= (nth 3 attr) (tramp-compat-most-positive-fixnum))) | |
4714 | (setcar (nthcdr 3 attr) (round (nth 3 attr)))) | |
03c1ad43 MA |
4715 | ;; Convert last access time. |
4716 | (unless (listp (nth 4 attr)) | |
4717 | (setcar (nthcdr 4 attr) | |
4718 | (list (floor (nth 4 attr) 65536) | |
4719 | (floor (mod (nth 4 attr) 65536))))) | |
4720 | ;; Convert last modification time. | |
4721 | (unless (listp (nth 5 attr)) | |
4722 | (setcar (nthcdr 5 attr) | |
4723 | (list (floor (nth 5 attr) 65536) | |
4724 | (floor (mod (nth 5 attr) 65536))))) | |
4725 | ;; Convert last status change time. | |
4726 | (unless (listp (nth 6 attr)) | |
4727 | (setcar (nthcdr 6 attr) | |
4728 | (list (floor (nth 6 attr) 65536) | |
4729 | (floor (mod (nth 6 attr) 65536))))) | |
4730 | ;; Convert file size. | |
4731 | (when (< (nth 7 attr) 0) | |
4732 | (setcar (nthcdr 7 attr) -1)) | |
4733 | (when (and (floatp (nth 7 attr)) | |
4734 | (<= (nth 7 attr) (tramp-compat-most-positive-fixnum))) | |
4735 | (setcar (nthcdr 7 attr) (round (nth 7 attr)))) | |
4736 | ;; Convert file mode bits to string. | |
4737 | (unless (stringp (nth 8 attr)) | |
4738 | (setcar (nthcdr 8 attr) (tramp-file-mode-from-int (nth 8 attr))) | |
4739 | (when (stringp (car attr)) | |
4740 | (aset (nth 8 attr) 0 ?l))) | |
4741 | ;; Convert directory indication bit. | |
4742 | (when (string-match "^d" (nth 8 attr)) | |
4743 | (setcar attr t)) | |
4744 | ;; Convert symlink from `tramp-do-file-attributes-with-stat'. | |
4745 | (when (consp (car attr)) | |
4746 | (if (and (stringp (caar attr)) | |
4747 | (string-match ".+ -> .\\(.+\\)." (caar attr))) | |
4748 | (setcar attr (match-string 1 (caar attr))) | |
4749 | (setcar attr nil))) | |
4750 | ;; Set file's gid change bit. | |
4751 | (setcar (nthcdr 9 attr) | |
4752 | (if (numberp (nth 3 attr)) | |
4753 | (not (= (nth 3 attr) | |
4754 | (tramp-get-remote-gid vec 'integer))) | |
4755 | (not (string-equal | |
4756 | (nth 3 attr) | |
4757 | (tramp-get-remote-gid vec 'string))))) | |
4758 | ;; Convert inode. | |
4759 | (unless (listp (nth 10 attr)) | |
4760 | (setcar (nthcdr 10 attr) | |
4761 | (condition-case nil | |
4762 | (cons (floor (nth 10 attr) 65536) | |
4763 | (floor (mod (nth 10 attr) 65536))) | |
4764 | ;; Inodes can be incredible huge. We must hide this. | |
4765 | (error (tramp-get-inode vec))))) | |
4766 | ;; Set virtual device number. | |
4767 | (setcar (nthcdr 11 attr) | |
4768 | (tramp-get-device vec)) | |
4769 | attr)) | |
4770 | ||
03c1ad43 MA |
4771 | (defun tramp-shell-case-fold (string) |
4772 | "Converts STRING to shell glob pattern which ignores case." | |
4773 | (mapconcat | |
4774 | (lambda (c) | |
4775 | (if (equal (downcase c) (upcase c)) | |
4776 | (vector c) | |
4777 | (format "[%c%c]" (downcase c) (upcase c)))) | |
4778 | string | |
4779 | "")) | |
4780 | ||
4781 | (defun tramp-make-copy-program-file-name (vec) | |
4782 | "Create a file name suitable to be passed to `rcp' and workalikes." | |
4783 | (let ((user (tramp-file-name-user vec)) | |
4784 | (host (tramp-file-name-real-host vec)) | |
4785 | (localname (tramp-shell-quote-argument | |
4786 | (tramp-file-name-localname vec)))) | |
4787 | (if (not (zerop (length user))) | |
4788 | (format "%s@%s:%s" user host localname) | |
4789 | (format "%s:%s" host localname)))) | |
4790 | ||
4791 | (defun tramp-method-out-of-band-p (vec size) | |
4792 | "Return t if this is an out-of-band method, nil otherwise." | |
4793 | (and | |
4794 | ;; It shall be an out-of-band method. | |
4795 | (tramp-get-method-parameter (tramp-file-name-method vec) 'tramp-copy-program) | |
d59eb518 MA |
4796 | ;; There must be a size, otherwise the file doesn't exist. |
4797 | (numberp size) | |
03c1ad43 MA |
4798 | ;; Either the file size is large enough, or (in rare cases) there |
4799 | ;; does not exist a remote encoding. | |
4800 | (or (null tramp-copy-size-limit) | |
4801 | (> size tramp-copy-size-limit) | |
4802 | (null (tramp-get-inline-coding vec "remote-encoding" size))))) | |
4803 | ||
03c1ad43 MA |
4804 | ;; Variables local to connection. |
4805 | ||
4806 | (defun tramp-get-remote-path (vec) | |
1d51f99c | 4807 | (with-tramp-connection-property |
03c1ad43 MA |
4808 | ;; When `tramp-own-remote-path' is in `tramp-remote-path', we |
4809 | ;; cache the result for the session only. Otherwise, the result | |
4810 | ;; is cached persistently. | |
4811 | (if (memq 'tramp-own-remote-path tramp-remote-path) | |
4812 | (tramp-get-connection-process vec) | |
4813 | vec) | |
4814 | "remote-path" | |
4815 | (let* ((remote-path (copy-tree tramp-remote-path)) | |
4816 | (elt1 (memq 'tramp-default-remote-path remote-path)) | |
4817 | (elt2 (memq 'tramp-own-remote-path remote-path)) | |
4818 | (default-remote-path | |
4819 | (when elt1 | |
a857d3c7 MA |
4820 | (or |
4821 | (tramp-send-command-and-read | |
6d95bd46 | 4822 | vec "echo \\\"`getconf PATH 2>/dev/null`\\\"" 'noerror) |
a857d3c7 MA |
4823 | ;; Default if "getconf" is not available. |
4824 | (progn | |
03c1ad43 MA |
4825 | (tramp-message |
4826 | vec 3 | |
4827 | "`getconf PATH' not successful, using default value \"%s\"." | |
4828 | "/bin:/usr/bin") | |
4829 | "/bin:/usr/bin")))) | |
4830 | (own-remote-path | |
4831 | (when elt2 | |
4832 | (condition-case nil | |
4833 | (tramp-send-command-and-read vec "echo \\\"$PATH\\\"") | |
03c1ad43 MA |
4834 | (error |
4835 | (tramp-message | |
4836 | vec 3 "$PATH not set, ignoring `tramp-own-remote-path'.") | |
4837 | nil))))) | |
4838 | ||
4839 | ;; Replace place holder `tramp-default-remote-path'. | |
4840 | (when elt1 | |
4841 | (setcdr elt1 | |
4842 | (append | |
4843 | (tramp-compat-split-string default-remote-path ":") | |
4844 | (cdr elt1))) | |
4845 | (setq remote-path (delq 'tramp-default-remote-path remote-path))) | |
4846 | ||
4847 | ;; Replace place holder `tramp-own-remote-path'. | |
4848 | (when elt2 | |
4849 | (setcdr elt2 | |
4850 | (append | |
4851 | (tramp-compat-split-string own-remote-path ":") | |
4852 | (cdr elt2))) | |
4853 | (setq remote-path (delq 'tramp-own-remote-path remote-path))) | |
4854 | ||
4855 | ;; Remove double entries. | |
4856 | (setq elt1 remote-path) | |
4857 | (while (consp elt1) | |
4858 | (while (and (car elt1) (setq elt2 (member (car elt1) (cdr elt1)))) | |
4859 | (setcar elt2 nil)) | |
4860 | (setq elt1 (cdr elt1))) | |
4861 | ||
4862 | ;; Remove non-existing directories. | |
4863 | (delq | |
4864 | nil | |
4865 | (mapcar | |
4866 | (lambda (x) | |
4867 | (and | |
4868 | (stringp x) | |
4869 | (file-directory-p | |
4870 | (tramp-make-tramp-file-name | |
4871 | (tramp-file-name-method vec) | |
4872 | (tramp-file-name-user vec) | |
4873 | (tramp-file-name-host vec) | |
4874 | x)) | |
4875 | x)) | |
4876 | remote-path))))) | |
4877 | ||
a8a15d9d MA |
4878 | (defun tramp-get-remote-locale (vec) |
4879 | (with-tramp-connection-property vec "locale" | |
4880 | (tramp-send-command vec "locale -a") | |
4881 | (let ((candidates '("en_US.utf8" "C.utf8" "C")) | |
4882 | locale) | |
4883 | (with-current-buffer (tramp-get-connection-buffer vec) | |
4884 | (while candidates | |
4885 | (goto-char (point-min)) | |
4886 | (if (string-match (concat "^" (car candidates) "$") (buffer-string)) | |
4887 | (setq locale (car candidates) | |
4888 | candidates nil) | |
4889 | (setq candidates (cdr candidates))))) | |
4890 | ;; Return value. | |
4891 | (when locale (format "LC_ALL=%s" locale))))) | |
4892 | ||
03c1ad43 | 4893 | (defun tramp-get-ls-command (vec) |
1606c2d3 | 4894 | (with-tramp-connection-property vec "ls" |
03c1ad43 MA |
4895 | (tramp-message vec 5 "Finding a suitable `ls' command") |
4896 | (or | |
4897 | (catch 'ls-found | |
4898 | (dolist (cmd '("ls" "gnuls" "gls")) | |
4899 | (let ((dl (tramp-get-remote-path vec)) | |
4900 | result) | |
4901 | (while (and dl (setq result (tramp-find-executable vec cmd dl t t))) | |
4902 | ;; Check parameters. On busybox, "ls" output coloring is | |
4903 | ;; enabled by default sometimes. So we try to disable it | |
4904 | ;; when possible. $LS_COLORING is not supported there. | |
4905 | ;; Some "ls" versions are sensible wrt the order of | |
4906 | ;; arguments, they fail when "-al" is after the | |
4907 | ;; "--color=never" argument (for example on FreeBSD). | |
4908 | (when (tramp-send-command-and-check | |
4909 | vec (format "%s -lnd /" result)) | |
4910 | (when (tramp-send-command-and-check | |
4911 | vec (format | |
4912 | "%s --color=never -al /dev/null" result)) | |
4913 | (setq result (concat result " --color=never"))) | |
4914 | (throw 'ls-found result)) | |
4915 | (setq dl (cdr dl)))))) | |
1606c2d3 | 4916 | (tramp-error vec 'file-error "Couldn't find a proper `ls' command")))) |
03c1ad43 MA |
4917 | |
4918 | (defun tramp-get-ls-command-with-dired (vec) | |
4919 | (save-match-data | |
1d51f99c | 4920 | (with-tramp-connection-property vec "ls-dired" |
03c1ad43 MA |
4921 | (tramp-message vec 5 "Checking, whether `ls --dired' works") |
4922 | ;; Some "ls" versions are sensible wrt the order of arguments, | |
4923 | ;; they fail when "-al" is after the "--dired" argument (for | |
4924 | ;; example on FreeBSD). | |
4925 | (tramp-send-command-and-check | |
4926 | vec (format "%s --dired -al /dev/null" (tramp-get-ls-command vec)))))) | |
4927 | ||
4928 | (defun tramp-get-test-command (vec) | |
1d51f99c | 4929 | (with-tramp-connection-property vec "test" |
03c1ad43 MA |
4930 | (tramp-message vec 5 "Finding a suitable `test' command") |
4931 | (if (tramp-send-command-and-check vec "test 0") | |
4932 | "test" | |
4933 | (tramp-find-executable vec "test" (tramp-get-remote-path vec))))) | |
4934 | ||
4935 | (defun tramp-get-test-nt-command (vec) | |
4936 | ;; Does `test A -nt B' work? Use abominable `find' construct if it | |
4937 | ;; doesn't. BSD/OS 4.0 wants the parentheses around the command, | |
4938 | ;; for otherwise the shell crashes. | |
1d51f99c | 4939 | (with-tramp-connection-property vec "test-nt" |
03c1ad43 MA |
4940 | (or |
4941 | (progn | |
4942 | (tramp-send-command | |
4943 | vec (format "( %s / -nt / )" (tramp-get-test-command vec))) | |
4944 | (with-current-buffer (tramp-get-buffer vec) | |
4945 | (goto-char (point-min)) | |
4946 | (when (looking-at (regexp-quote tramp-end-of-output)) | |
4947 | (format "%s %%s -nt %%s" (tramp-get-test-command vec))))) | |
4948 | (progn | |
4949 | (tramp-send-command | |
4950 | vec | |
4951 | (format | |
4952 | "tramp_test_nt () {\n%s -n \"`find $1 -prune -newer $2 -print`\"\n}" | |
4953 | (tramp-get-test-command vec))) | |
4954 | "tramp_test_nt %s %s")))) | |
4955 | ||
4956 | (defun tramp-get-file-exists-command (vec) | |
1d51f99c | 4957 | (with-tramp-connection-property vec "file-exists" |
03c1ad43 MA |
4958 | (tramp-message vec 5 "Finding command to check if file exists") |
4959 | (tramp-find-file-exists-command vec))) | |
4960 | ||
4961 | (defun tramp-get-remote-ln (vec) | |
1d51f99c | 4962 | (with-tramp-connection-property vec "ln" |
03c1ad43 MA |
4963 | (tramp-message vec 5 "Finding a suitable `ln' command") |
4964 | (tramp-find-executable vec "ln" (tramp-get-remote-path vec)))) | |
4965 | ||
4966 | (defun tramp-get-remote-perl (vec) | |
1d51f99c | 4967 | (with-tramp-connection-property vec "perl" |
03c1ad43 MA |
4968 | (tramp-message vec 5 "Finding a suitable `perl' command") |
4969 | (let ((result | |
4970 | (or (tramp-find-executable vec "perl5" (tramp-get-remote-path vec)) | |
4971 | (tramp-find-executable | |
4972 | vec "perl" (tramp-get-remote-path vec))))) | |
4973 | ;; We must check also for some Perl modules. | |
4974 | (when result | |
1d51f99c | 4975 | (with-tramp-connection-property vec "perl-file-spec" |
03c1ad43 MA |
4976 | (tramp-send-command-and-check |
4977 | vec (format "%s -e 'use File::Spec;'" result))) | |
1d51f99c | 4978 | (with-tramp-connection-property vec "perl-cwd-realpath" |
03c1ad43 MA |
4979 | (tramp-send-command-and-check |
4980 | vec (format "%s -e 'use Cwd \"realpath\";'" result)))) | |
4981 | result))) | |
4982 | ||
4983 | (defun tramp-get-remote-stat (vec) | |
1d51f99c | 4984 | (with-tramp-connection-property vec "stat" |
03c1ad43 MA |
4985 | (tramp-message vec 5 "Finding a suitable `stat' command") |
4986 | (let ((result (tramp-find-executable | |
4987 | vec "stat" (tramp-get-remote-path vec))) | |
4988 | tmp) | |
6d95bd46 | 4989 | ;; Check whether stat(1) returns usable syntax. "%s" does not |
03c1ad43 MA |
4990 | ;; work on older AIX systems. |
4991 | (when result | |
4992 | (setq tmp | |
6d95bd46 MA |
4993 | (tramp-send-command-and-read |
4994 | vec (format "%s -c '(\"%%N\" %%s)' /" result) 'noerror)) | |
03c1ad43 MA |
4995 | (unless (and (listp tmp) (stringp (car tmp)) |
4996 | (string-match "^./.$" (car tmp)) | |
4997 | (integerp (cadr tmp))) | |
4998 | (setq result nil))) | |
4999 | result))) | |
5000 | ||
5001 | (defun tramp-get-remote-readlink (vec) | |
1d51f99c | 5002 | (with-tramp-connection-property vec "readlink" |
03c1ad43 MA |
5003 | (tramp-message vec 5 "Finding a suitable `readlink' command") |
5004 | (let ((result (tramp-find-executable | |
5005 | vec "readlink" (tramp-get-remote-path vec)))) | |
5006 | (when (and result | |
6d95bd46 MA |
5007 | (tramp-send-command-and-check |
5008 | vec (format "%s --canonicalize-missing /" result))) | |
03c1ad43 MA |
5009 | result)))) |
5010 | ||
5011 | (defun tramp-get-remote-trash (vec) | |
1d51f99c | 5012 | (with-tramp-connection-property vec "trash" |
03c1ad43 MA |
5013 | (tramp-message vec 5 "Finding a suitable `trash' command") |
5014 | (tramp-find-executable vec "trash" (tramp-get-remote-path vec)))) | |
5015 | ||
50bfdd5d MA |
5016 | (defun tramp-get-remote-touch (vec) |
5017 | (with-tramp-connection-property vec "touch" | |
5018 | (tramp-message vec 5 "Finding a suitable `touch' command") | |
5019 | (let ((result (tramp-find-executable | |
5020 | vec "touch" (tramp-get-remote-path vec))) | |
5021 | (tmpfile | |
5022 | (make-temp-name | |
5023 | (expand-file-name | |
5024 | tramp-temp-name-prefix (tramp-get-remote-tmpdir vec))))) | |
5025 | ;; Busyboxes do support the "-t" option only when they have been | |
5026 | ;; built with the DESKTOP config option. Let's check it. | |
5027 | (when result | |
5028 | (tramp-set-connection-property | |
5029 | vec "touch-t" | |
5030 | (tramp-send-command-and-check | |
5031 | vec | |
5032 | (format | |
5033 | "%s -t %s %s" | |
5034 | result | |
5035 | (format-time-string "%Y%m%d%H%M.%S" (current-time)) | |
5036 | (tramp-file-name-handler 'file-remote-p tmpfile 'localname)))) | |
5037 | (delete-file tmpfile)) | |
5038 | result))) | |
5039 | ||
ddbdfd6f MA |
5040 | (defun tramp-get-remote-gvfs-monitor-dir (vec) |
5041 | (with-tramp-connection-property vec "gvfs-monitor-dir" | |
5042 | (tramp-message vec 5 "Finding a suitable `gvfs-monitor-dir' command") | |
5043 | (tramp-find-executable | |
5044 | vec "gvfs-monitor-dir" (tramp-get-remote-path vec) t t))) | |
5045 | ||
864c58ca MA |
5046 | (defun tramp-get-remote-inotifywait (vec) |
5047 | (with-tramp-connection-property vec "inotifywait" | |
5048 | (tramp-message vec 5 "Finding a suitable `inotifywait' command") | |
5049 | (tramp-find-executable vec "inotifywait" (tramp-get-remote-path vec) t t))) | |
5050 | ||
03c1ad43 | 5051 | (defun tramp-get-remote-id (vec) |
1d51f99c | 5052 | (with-tramp-connection-property vec "id" |
03c1ad43 | 5053 | (tramp-message vec 5 "Finding POSIX `id' command") |
85e05915 MA |
5054 | (catch 'id-found |
5055 | (let ((dl (tramp-get-remote-path vec)) | |
5056 | result) | |
5057 | (while (and dl (setq result (tramp-find-executable vec "id" dl t t))) | |
5058 | ;; Check POSIX parameter. | |
5059 | (when (tramp-send-command-and-check vec (format "%s -u" result)) | |
5060 | (throw 'id-found result)) | |
5061 | (setq dl (cdr dl))))))) | |
5062 | ||
5063 | (defun tramp-get-remote-uid-with-id (vec id-format) | |
5064 | (tramp-send-command-and-read | |
5065 | vec | |
5066 | (format "%s -u%s %s" | |
5067 | (tramp-get-remote-id vec) | |
5068 | (if (equal id-format 'integer) "" "n") | |
5069 | (if (equal id-format 'integer) | |
5070 | "" "| sed -e s/^/\\\"/ -e s/\$/\\\"/")))) | |
5071 | ||
5072 | (defun tramp-get-remote-uid-with-perl (vec id-format) | |
5073 | (tramp-send-command-and-read | |
5074 | vec | |
5075 | (format "%s -le '%s'" | |
5076 | (tramp-get-remote-perl vec) | |
5077 | (if (equal id-format 'integer) | |
5078 | "print $>" | |
5079 | "print \"\\\"\", scalar getpwuid($>), \"\\\"\"")))) | |
5080 | ||
5081 | (defun tramp-get-remote-python (vec) | |
5082 | (with-tramp-connection-property vec "python" | |
5083 | (tramp-message vec 5 "Finding a suitable `python' command") | |
5084 | (tramp-find-executable vec "python" (tramp-get-remote-path vec)))) | |
5085 | ||
5086 | (defun tramp-get-remote-uid-with-python (vec id-format) | |
5087 | (tramp-send-command-and-read | |
5088 | vec | |
5089 | (format "%s -c \"%s\"" | |
5090 | (tramp-get-remote-python vec) | |
5091 | (if (equal id-format 'integer) | |
5092 | "import os; print os.getuid()" | |
5093 | "import os, pwd; print '\\\"' + pwd.getpwuid(os.getuid())[0] + '\\\"'")))) | |
03c1ad43 MA |
5094 | |
5095 | (defun tramp-get-remote-uid (vec id-format) | |
1d51f99c | 5096 | (with-tramp-connection-property vec (format "uid-%s" id-format) |
85e05915 MA |
5097 | (let ((res (cond |
5098 | ((tramp-get-remote-id vec) | |
5099 | (tramp-get-remote-uid-with-id vec id-format)) | |
5100 | ((tramp-get-remote-perl vec) | |
5101 | (tramp-get-remote-uid-with-perl vec id-format)) | |
5102 | ((tramp-get-remote-python vec) | |
5103 | (tramp-get-remote-uid-with-python vec id-format)) | |
e189e54e MA |
5104 | (t (tramp-error |
5105 | vec 'file-error "Cannot determine remote uid"))))) | |
03c1ad43 MA |
5106 | ;; The command might not always return a number. |
5107 | (if (and (equal id-format 'integer) (not (integerp res))) -1 res)))) | |
5108 | ||
85e05915 MA |
5109 | (defun tramp-get-remote-gid-with-id (vec id-format) |
5110 | (tramp-send-command-and-read | |
5111 | vec | |
5112 | (format "%s -g%s %s" | |
5113 | (tramp-get-remote-id vec) | |
5114 | (if (equal id-format 'integer) "" "n") | |
5115 | (if (equal id-format 'integer) | |
5116 | "" "| sed -e s/^/\\\"/ -e s/\$/\\\"/")))) | |
5117 | ||
5118 | (defun tramp-get-remote-gid-with-perl (vec id-format) | |
5119 | (tramp-send-command-and-read | |
5120 | vec | |
5121 | (format "%s -le '%s'" | |
5122 | (tramp-get-remote-perl vec) | |
5123 | (if (equal id-format 'integer) | |
5124 | "print ($)=~/(\\d+)/)" | |
5125 | "print \"\\\"\", scalar getgrgid($)), \"\\\"\"")))) | |
5126 | ||
5127 | (defun tramp-get-remote-gid-with-python (vec id-format) | |
5128 | (tramp-send-command-and-read | |
5129 | vec | |
5130 | (format "%s -c \"%s\"" | |
5131 | (tramp-get-remote-python vec) | |
5132 | (if (equal id-format 'integer) | |
5133 | "import os; print os.getgid()" | |
5134 | "import os, grp; print '\\\"' + grp.getgrgid(os.getgid())[0] + '\\\"'")))) | |
5135 | ||
03c1ad43 | 5136 | (defun tramp-get-remote-gid (vec id-format) |
1d51f99c | 5137 | (with-tramp-connection-property vec (format "gid-%s" id-format) |
85e05915 MA |
5138 | (let ((res (cond |
5139 | ((tramp-get-remote-id vec) | |
5140 | (tramp-get-remote-gid-with-id vec id-format)) | |
5141 | ((tramp-get-remote-perl vec) | |
5142 | (tramp-get-remote-gid-with-perl vec id-format)) | |
5143 | ((tramp-get-remote-python vec) | |
5144 | (tramp-get-remote-gid-with-python vec id-format)) | |
e189e54e MA |
5145 | (t (tramp-error |
5146 | vec 'file-error "Cannot determine remote gid"))))) | |
03c1ad43 MA |
5147 | ;; The command might not always return a number. |
5148 | (if (and (equal id-format 'integer) (not (integerp res))) -1 res)))) | |
5149 | ||
03c1ad43 MA |
5150 | ;; Some predefined connection properties. |
5151 | (defun tramp-get-inline-compress (vec prop size) | |
5152 | "Return the compress command related to PROP. | |
5153 | PROP is either `inline-compress' or `inline-decompress'. SIZE is | |
5154 | the length of the file to be compressed. | |
5155 | ||
5156 | If no corresponding command is found, nil is returned." | |
5157 | (when (and (integerp tramp-inline-compress-start-size) | |
5158 | (> size tramp-inline-compress-start-size)) | |
1d51f99c | 5159 | (with-tramp-connection-property (tramp-get-connection-process vec) prop |
03c1ad43 | 5160 | (tramp-find-inline-compress vec) |
2fe4b125 MA |
5161 | (tramp-get-connection-property |
5162 | (tramp-get-connection-process vec) prop nil)))) | |
03c1ad43 MA |
5163 | |
5164 | (defun tramp-get-inline-coding (vec prop size) | |
5165 | "Return the coding command related to PROP. | |
40ba43b4 | 5166 | PROP is either `remote-encoding', `remote-decoding', |
03c1ad43 MA |
5167 | `local-encoding' or `local-decoding'. |
5168 | ||
5169 | SIZE is the length of the file to be coded. Depending on SIZE, | |
5170 | compression might be applied. | |
5171 | ||
5172 | If no corresponding command is found, nil is returned. | |
5173 | Otherwise, either a string is returned which contains a `%s' mark | |
5174 | to be used for the respective input or output file; or a Lisp | |
5175 | function cell is returned to be applied on a buffer." | |
01d884cf MA |
5176 | ;; We must catch the errors, because we want to return `nil', when |
5177 | ;; no inline coding is found. | |
5178 | (ignore-errors | |
5179 | (let ((coding | |
1d51f99c MA |
5180 | (with-tramp-connection-property |
5181 | (tramp-get-connection-process vec) prop | |
01d884cf | 5182 | (tramp-find-inline-encoding vec) |
2fe4b125 MA |
5183 | (tramp-get-connection-property |
5184 | (tramp-get-connection-process vec) prop nil))) | |
01d884cf MA |
5185 | (prop1 (if (string-match "encoding" prop) |
5186 | "inline-compress" "inline-decompress")) | |
5187 | compress) | |
5188 | ;; The connection property might have been cached. So we must | |
5189 | ;; send the script to the remote side - maybe. | |
5190 | (when (and coding (symbolp coding) (string-match "remote" prop)) | |
5191 | (let ((name (symbol-name coding))) | |
5192 | (while (string-match (regexp-quote "-") name) | |
5193 | (setq name (replace-match "_" nil t name))) | |
5194 | (tramp-maybe-send-script vec (symbol-value coding) name) | |
5195 | (setq coding name))) | |
5196 | (when coding | |
5197 | ;; Check for the `compress' command. | |
5198 | (setq compress (tramp-get-inline-compress vec prop1 size)) | |
5199 | ;; Return the value. | |
5200 | (cond | |
5201 | ((and compress (symbolp coding)) | |
5202 | (if (string-match "decompress" prop1) | |
5203 | `(lambda (beg end) | |
5204 | (,coding beg end) | |
5205 | (let ((coding-system-for-write 'binary) | |
5206 | (coding-system-for-read 'binary)) | |
5207 | (apply | |
5208 | 'call-process-region (point-min) (point-max) | |
5209 | (car (split-string ,compress)) t t nil | |
5210 | (cdr (split-string ,compress))))) | |
03c1ad43 | 5211 | `(lambda (beg end) |
03c1ad43 MA |
5212 | (let ((coding-system-for-write 'binary) |
5213 | (coding-system-for-read 'binary)) | |
5214 | (apply | |
01d884cf | 5215 | 'call-process-region beg end |
03c1ad43 | 5216 | (car (split-string ,compress)) t t nil |
01d884cf MA |
5217 | (cdr (split-string ,compress)))) |
5218 | (,coding (point-min) (point-max))))) | |
5219 | ((symbolp coding) | |
5220 | coding) | |
5221 | ((and compress (string-match "decoding" prop)) | |
362b9d48 GM |
5222 | (format |
5223 | ;; Windows shells need the program file name after | |
5224 | ;; the pipe symbol be quoted if they use forward | |
5225 | ;; slashes as directory separators. | |
d0853629 MA |
5226 | (cond |
5227 | ((and (string-match "local" prop) | |
5228 | (memq system-type '(windows-nt))) | |
5229 | "(%s | \"%s\")") | |
5230 | ((string-match "local" prop) "(%s | %s)") | |
5231 | (t "(%s | %s >%%s)")) | |
362b9d48 | 5232 | coding compress)) |
01d884cf | 5233 | (compress |
362b9d48 GM |
5234 | (format |
5235 | ;; Windows shells need the program file name after | |
5236 | ;; the pipe symbol be quoted if they use forward | |
5237 | ;; slashes as directory separators. | |
5238 | (if (and (string-match "local" prop) | |
5239 | (memq system-type '(windows-nt))) | |
5240 | "(%s <%%s | \"%s\")" | |
5241 | "(%s <%%s | %s)") | |
5242 | compress coding)) | |
01d884cf | 5243 | ((string-match "decoding" prop) |
d0853629 MA |
5244 | (cond |
5245 | ((string-match "local" prop) (format "%s" coding)) | |
5246 | (t (format "%s >%%s" coding)))) | |
01d884cf MA |
5247 | (t |
5248 | (format "%s <%%s" coding))))))) | |
03c1ad43 | 5249 | |
03c1ad43 MA |
5250 | (add-hook 'tramp-unload-hook |
5251 | (lambda () | |
5252 | (unload-feature 'tramp-sh 'force))) | |
5253 | ||
5254 | (provide 'tramp-sh) | |
5255 | ||
5256 | ;;; TODO: | |
5257 | ||
5258 | ;; * Don't use globbing for directories with many files, as this is | |
5259 | ;; likely to produce long command lines, and some shells choke on | |
5260 | ;; long command lines. | |
5261 | ;; * Make it work for different encodings, and for different file name | |
5262 | ;; encodings, too. (Daniel Pittman) | |
5263 | ;; * Don't search for perl5 and perl. Instead, only search for perl and | |
5264 | ;; then look if it's the right version (with `perl -v'). | |
5265 | ;; * When editing a remote CVS controlled file as a different user, VC | |
5266 | ;; gets confused about the file locking status. Try to find out why | |
5267 | ;; the workaround doesn't work. | |
5268 | ;; * Allow out-of-band methods as _last_ multi-hop. Open a connection | |
5269 | ;; until the last but one hop via `start-file-process'. Apply it | |
5270 | ;; also for ftp and smb. | |
5271 | ;; * WIBNI if we had a command "trampclient"? If I was editing in | |
e1dbe924 | 5272 | ;; some shell with root privileges, it would be nice if I could |
03c1ad43 MA |
5273 | ;; just call |
5274 | ;; trampclient filename.c | |
5275 | ;; as an editor, and the _current_ shell would connect to an Emacs | |
e1dbe924 | 5276 | ;; server and would be used in an existing non-privileged Emacs |
03c1ad43 MA |
5277 | ;; session for doing the editing in question. |
5278 | ;; That way, I need not tell Emacs my password again and be afraid | |
5279 | ;; that it makes it into core dumps or other ugly stuff (I had Emacs | |
5280 | ;; once display a just typed password in the context of a keyboard | |
5281 | ;; sequence prompt for a question immediately following in a shell | |
5282 | ;; script run within Emacs -- nasty). | |
5283 | ;; And if I have some ssh session running to a different computer, | |
5284 | ;; having the possibility of passing a local file there to a local | |
5285 | ;; Emacs session (in case I can arrange for a connection back) would | |
5286 | ;; be nice. | |
5287 | ;; Likely the corresponding Tramp server should not allow the | |
5288 | ;; equivalent of the emacsclient -eval option in order to make this | |
5289 | ;; reasonably unproblematic. And maybe trampclient should have some | |
5290 | ;; way of passing credentials, like by using an SSL socket or | |
5291 | ;; something. (David Kastrup) | |
5292 | ;; * Reconnect directly to a compliant shell without first going | |
5293 | ;; through the user's default shell. (Pete Forman) | |
5294 | ;; * How can I interrupt the remote process with a signal | |
5295 | ;; (interrupt-process seems not to work)? (Markus Triska) | |
5296 | ;; * Avoid the local shell entirely for starting remote processes. If | |
5297 | ;; so, I think even a signal, when delivered directly to the local | |
5298 | ;; SSH instance, would correctly be propagated to the remote process | |
5299 | ;; automatically; possibly SSH would have to be started with | |
5300 | ;; "-t". (Markus Triska) | |
5301 | ;; * It makes me wonder if tramp couldn't fall back to ssh when scp | |
5302 | ;; isn't on the remote host. (Mark A. Hershberger) | |
5303 | ;; * Use lsh instead of ssh. (Alfred M. Szmidt) | |
2c68ca0e | 5304 | ;; * Optimize out-of-band copying when both methods are scp-like (not |
03c1ad43 MA |
5305 | ;; rsync). |
5306 | ;; * Keep a second connection open for out-of-band methods like scp or | |
5307 | ;; rsync. | |
5308 | ;; * Try telnet+curl as new method. It might be useful for busybox, | |
5309 | ;; without built-in uuencode/uudecode. | |
5310 | ||
5311 | ;;; tramp-sh.el ends here |