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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2087a7af LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2012 Lennart Poettering | |
4d7859d1 | 6 | Copyright 2013 Kay Sievers |
2087a7af LP |
7 | |
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
3f6fd1ba LP |
22 | #include <ftw.h> |
23 | #include <getopt.h> | |
a9cdc94f | 24 | #include <locale.h> |
2087a7af | 25 | #include <stdbool.h> |
3f6fd1ba | 26 | #include <stdlib.h> |
2087a7af | 27 | #include <string.h> |
2087a7af | 28 | |
4d7859d1 | 29 | #include "sd-bus.h" |
3f6fd1ba | 30 | |
4d7859d1 | 31 | #include "bus-error.h" |
3f6fd1ba | 32 | #include "bus-util.h" |
0732ef7a | 33 | #include "def.h" |
3ffd4af2 | 34 | #include "fd-util.h" |
a3428668 | 35 | #include "fileio.h" |
75683450 | 36 | #include "locale-util.h" |
3f6fd1ba LP |
37 | #include "pager.h" |
38 | #include "set.h" | |
39 | #include "spawn-polkit-agent.h" | |
40 | #include "strv.h" | |
41 | #include "util.h" | |
42 | #include "virt.h" | |
2087a7af LP |
43 | |
44 | static bool arg_no_pager = false; | |
2087a7af | 45 | static bool arg_ask_password = true; |
4d7859d1 | 46 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; |
7085053a | 47 | static char *arg_host = NULL; |
2087a7af LP |
48 | static bool arg_convert = true; |
49 | ||
2087a7af LP |
50 | typedef struct StatusInfo { |
51 | char **locale; | |
e7e55dbd DH |
52 | char *vconsole_keymap; |
53 | char *vconsole_keymap_toggle; | |
54 | char *x11_layout; | |
55 | char *x11_model; | |
56 | char *x11_variant; | |
57 | char *x11_options; | |
2087a7af LP |
58 | } StatusInfo; |
59 | ||
e7e55dbd DH |
60 | static void status_info_clear(StatusInfo *info) { |
61 | if (info) { | |
62 | strv_free(info->locale); | |
63 | free(info->vconsole_keymap); | |
64 | free(info->vconsole_keymap_toggle); | |
65 | free(info->x11_layout); | |
66 | free(info->x11_model); | |
67 | free(info->x11_variant); | |
68 | free(info->x11_options); | |
69 | zero(*info); | |
70 | } | |
71 | } | |
72 | ||
ff9b60f3 | 73 | static void print_overridden_variables(void) { |
a3428668 MS |
74 | int r; |
75 | char *variables[_VARIABLE_LC_MAX] = {}; | |
76 | LocaleVariable j; | |
77 | bool print_warning = true; | |
78 | ||
75f86906 | 79 | if (detect_container() > 0 || arg_host) |
a3428668 MS |
80 | return; |
81 | ||
82 | r = parse_env_file("/proc/cmdline", WHITESPACE, | |
83 | "locale.LANG", &variables[VARIABLE_LANG], | |
84 | "locale.LANGUAGE", &variables[VARIABLE_LANGUAGE], | |
85 | "locale.LC_CTYPE", &variables[VARIABLE_LC_CTYPE], | |
86 | "locale.LC_NUMERIC", &variables[VARIABLE_LC_NUMERIC], | |
87 | "locale.LC_TIME", &variables[VARIABLE_LC_TIME], | |
88 | "locale.LC_COLLATE", &variables[VARIABLE_LC_COLLATE], | |
89 | "locale.LC_MONETARY", &variables[VARIABLE_LC_MONETARY], | |
90 | "locale.LC_MESSAGES", &variables[VARIABLE_LC_MESSAGES], | |
91 | "locale.LC_PAPER", &variables[VARIABLE_LC_PAPER], | |
92 | "locale.LC_NAME", &variables[VARIABLE_LC_NAME], | |
93 | "locale.LC_ADDRESS", &variables[VARIABLE_LC_ADDRESS], | |
94 | "locale.LC_TELEPHONE", &variables[VARIABLE_LC_TELEPHONE], | |
95 | "locale.LC_MEASUREMENT", &variables[VARIABLE_LC_MEASUREMENT], | |
96 | "locale.LC_IDENTIFICATION", &variables[VARIABLE_LC_IDENTIFICATION], | |
97 | NULL); | |
98 | ||
99 | if (r < 0 && r != -ENOENT) { | |
da927ba9 | 100 | log_warning_errno(r, "Failed to read /proc/cmdline: %m"); |
a3428668 MS |
101 | goto finish; |
102 | } | |
103 | ||
63229aa1 | 104 | for (j = 0; j < _VARIABLE_LC_MAX; j++) |
a3428668 MS |
105 | if (variables[j]) { |
106 | if (print_warning) { | |
b344bcbb | 107 | log_warning("Warning: Settings on kernel command line override system locale settings in /etc/locale.conf.\n" |
c86b2d8f | 108 | " Command Line: %s=%s", locale_variable_to_string(j), variables[j]); |
a3428668 MS |
109 | |
110 | print_warning = false; | |
b344bcbb | 111 | } else |
c86b2d8f | 112 | log_warning(" %s=%s", locale_variable_to_string(j), variables[j]); |
a3428668 MS |
113 | } |
114 | finish: | |
63229aa1 | 115 | for (j = 0; j < _VARIABLE_LC_MAX; j++) |
a3428668 MS |
116 | free(variables[j]); |
117 | } | |
118 | ||
2087a7af LP |
119 | static void print_status_info(StatusInfo *i) { |
120 | assert(i); | |
121 | ||
122 | if (strv_isempty(i->locale)) | |
a75db59c | 123 | puts(" System Locale: n/a"); |
2087a7af LP |
124 | else { |
125 | char **j; | |
126 | ||
127 | printf(" System Locale: %s\n", i->locale[0]); | |
128 | STRV_FOREACH(j, i->locale + 1) | |
129 | printf(" %s\n", *j); | |
130 | } | |
131 | ||
132 | printf(" VC Keymap: %s\n", strna(i->vconsole_keymap)); | |
133 | if (!isempty(i->vconsole_keymap_toggle)) | |
134 | printf("VC Toggle Keymap: %s\n", i->vconsole_keymap_toggle); | |
135 | ||
136 | printf(" X11 Layout: %s\n", strna(i->x11_layout)); | |
137 | if (!isempty(i->x11_model)) | |
138 | printf(" X11 Model: %s\n", i->x11_model); | |
139 | if (!isempty(i->x11_variant)) | |
140 | printf(" X11 Variant: %s\n", i->x11_variant); | |
141 | if (!isempty(i->x11_options)) | |
142 | printf(" X11 Options: %s\n", i->x11_options); | |
143 | } | |
144 | ||
4d7859d1 | 145 | static int show_status(sd_bus *bus, char **args, unsigned n) { |
e7e55dbd | 146 | _cleanup_(status_info_clear) StatusInfo info = {}; |
9f6eb1cd KS |
147 | static const struct bus_properties_map map[] = { |
148 | { "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) }, | |
149 | { "VConsoleKeymap", "s", NULL, offsetof(StatusInfo, vconsole_keymap) }, | |
150 | { "VConsoleKeymapToggle", "s", NULL, offsetof(StatusInfo, vconsole_keymap_toggle) }, | |
151 | { "X11Layout", "s", NULL, offsetof(StatusInfo, x11_layout) }, | |
152 | { "X11Model", "s", NULL, offsetof(StatusInfo, x11_model) }, | |
153 | { "X11Variant", "s", NULL, offsetof(StatusInfo, x11_variant) }, | |
154 | { "X11Options", "s", NULL, offsetof(StatusInfo, x11_options) }, | |
155 | { "Locale", "as", NULL, offsetof(StatusInfo, locale) }, | |
ffc06c35 KS |
156 | {} |
157 | }; | |
f9e0eefc LP |
158 | |
159 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
ffc06c35 | 160 | int r; |
2087a7af | 161 | |
ffc06c35 | 162 | assert(bus); |
2087a7af | 163 | |
ffc06c35 KS |
164 | r = bus_map_all_properties(bus, |
165 | "org.freedesktop.locale1", | |
166 | "/org/freedesktop/locale1", | |
9f6eb1cd | 167 | map, |
f9e0eefc | 168 | &error, |
9f6eb1cd | 169 | &info); |
e7e55dbd | 170 | if (r < 0) |
f9e0eefc | 171 | return log_error_errno(r, "Could not get properties: %s", bus_error_message(&error, r)); |
2087a7af | 172 | |
ff9b60f3 | 173 | print_overridden_variables(); |
2087a7af | 174 | print_status_info(&info); |
4d7859d1 | 175 | |
4d7859d1 | 176 | return r; |
2087a7af LP |
177 | } |
178 | ||
4d7859d1 | 179 | static int set_locale(sd_bus *bus, char **args, unsigned n) { |
4afd3348 LP |
180 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
181 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2087a7af LP |
182 | int r; |
183 | ||
184 | assert(bus); | |
185 | assert(args); | |
186 | ||
8a4b13c5 | 187 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
2087a7af | 188 | |
151b9b96 LP |
189 | r = sd_bus_message_new_method_call( |
190 | bus, | |
191 | &m, | |
2087a7af LP |
192 | "org.freedesktop.locale1", |
193 | "/org/freedesktop/locale1", | |
194 | "org.freedesktop.locale1", | |
151b9b96 | 195 | "SetLocale"); |
4d7859d1 | 196 | if (r < 0) |
94676f3e | 197 | return bus_log_create_error(r); |
2087a7af | 198 | |
4d7859d1 KS |
199 | r = sd_bus_message_append_strv(m, args + 1); |
200 | if (r < 0) | |
94676f3e | 201 | return bus_log_create_error(r); |
2087a7af | 202 | |
4d7859d1 | 203 | r = sd_bus_message_append(m, "b", arg_ask_password); |
2087a7af | 204 | if (r < 0) |
94676f3e | 205 | return bus_log_create_error(r); |
2087a7af | 206 | |
c49b30a2 | 207 | r = sd_bus_call(bus, m, 0, &error, NULL); |
4d7859d1 | 208 | if (r < 0) { |
e1636421 | 209 | log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); |
4d7859d1 | 210 | return r; |
2087a7af LP |
211 | } |
212 | ||
4d7859d1 | 213 | return 0; |
2087a7af LP |
214 | } |
215 | ||
4d7859d1 | 216 | static int list_locales(sd_bus *bus, char **args, unsigned n) { |
17d33cec | 217 | _cleanup_strv_free_ char **l = NULL; |
17d33cec GC |
218 | int r; |
219 | ||
75683450 | 220 | assert(args); |
17d33cec | 221 | |
75683450 | 222 | r = get_locales(&l); |
f647962d MS |
223 | if (r < 0) |
224 | return log_error_errno(r, "Failed to read list of locales: %m"); | |
2087a7af | 225 | |
ea4b98e6 | 226 | pager_open(arg_no_pager, false); |
7c2d8094 | 227 | strv_print(l); |
2087a7af | 228 | |
bac3c8ee | 229 | return 0; |
2087a7af LP |
230 | } |
231 | ||
4d7859d1 | 232 | static int set_vconsole_keymap(sd_bus *bus, char **args, unsigned n) { |
4afd3348 | 233 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
2087a7af | 234 | const char *map, *toggle_map; |
e1636421 | 235 | int r; |
2087a7af LP |
236 | |
237 | assert(bus); | |
238 | assert(args); | |
239 | ||
240 | if (n > 3) { | |
241 | log_error("Too many arguments."); | |
242 | return -EINVAL; | |
243 | } | |
244 | ||
8a4b13c5 | 245 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
2087a7af LP |
246 | |
247 | map = args[1]; | |
248 | toggle_map = n > 2 ? args[2] : ""; | |
2087a7af | 249 | |
e1636421 LP |
250 | r = sd_bus_call_method( |
251 | bus, | |
2087a7af LP |
252 | "org.freedesktop.locale1", |
253 | "/org/freedesktop/locale1", | |
254 | "org.freedesktop.locale1", | |
255 | "SetVConsoleKeyboard", | |
4d7859d1 | 256 | &error, |
2087a7af | 257 | NULL, |
4d7859d1 | 258 | "ssbb", map, toggle_map, arg_convert, arg_ask_password); |
e1636421 LP |
259 | if (r < 0) |
260 | log_error("Failed to set keymap: %s", bus_error_message(&error, -r)); | |
261 | ||
262 | return r; | |
2087a7af LP |
263 | } |
264 | ||
4d7859d1 | 265 | static int list_vconsole_keymaps(sd_bus *bus, char **args, unsigned n) { |
a017112b | 266 | _cleanup_strv_free_ char **l = NULL; |
ed457f13 | 267 | int r; |
2087a7af | 268 | |
ed457f13 | 269 | assert(args); |
2087a7af | 270 | |
ed457f13 TB |
271 | r = get_keymaps(&l); |
272 | if (r < 0) | |
273 | return log_error_errno(r, "Failed to read list of keymaps: %m"); | |
2087a7af | 274 | |
ea4b98e6 | 275 | pager_open(arg_no_pager, false); |
2087a7af | 276 | |
7c2d8094 | 277 | strv_print(l); |
2087a7af LP |
278 | |
279 | return 0; | |
280 | } | |
281 | ||
4d7859d1 | 282 | static int set_x11_keymap(sd_bus *bus, char **args, unsigned n) { |
4afd3348 | 283 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
2087a7af | 284 | const char *layout, *model, *variant, *options; |
e1636421 | 285 | int r; |
2087a7af LP |
286 | |
287 | assert(bus); | |
288 | assert(args); | |
289 | ||
290 | if (n > 5) { | |
291 | log_error("Too many arguments."); | |
292 | return -EINVAL; | |
293 | } | |
294 | ||
8a4b13c5 | 295 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); |
2087a7af LP |
296 | |
297 | layout = args[1]; | |
298 | model = n > 2 ? args[2] : ""; | |
299 | variant = n > 3 ? args[3] : ""; | |
6b2b6f30 | 300 | options = n > 4 ? args[4] : ""; |
2087a7af | 301 | |
e1636421 LP |
302 | r = sd_bus_call_method( |
303 | bus, | |
2087a7af LP |
304 | "org.freedesktop.locale1", |
305 | "/org/freedesktop/locale1", | |
306 | "org.freedesktop.locale1", | |
307 | "SetX11Keyboard", | |
4d7859d1 | 308 | &error, |
2087a7af | 309 | NULL, |
4d7859d1 KS |
310 | "ssssbb", layout, model, variant, options, |
311 | arg_convert, arg_ask_password); | |
e1636421 LP |
312 | if (r < 0) |
313 | log_error("Failed to set keymap: %s", bus_error_message(&error, -r)); | |
314 | ||
315 | return r; | |
2087a7af LP |
316 | } |
317 | ||
4d7859d1 | 318 | static int list_x11_keymaps(sd_bus *bus, char **args, unsigned n) { |
50cfc579 | 319 | _cleanup_fclose_ FILE *f = NULL; |
7fd1b19b | 320 | _cleanup_strv_free_ char **list = NULL; |
50cfc579 LP |
321 | char line[LINE_MAX]; |
322 | enum { | |
323 | NONE, | |
324 | MODELS, | |
325 | LAYOUTS, | |
326 | VARIANTS, | |
327 | OPTIONS | |
328 | } state = NONE, look_for; | |
329 | int r; | |
330 | ||
331 | if (n > 2) { | |
332 | log_error("Too many arguments."); | |
333 | return -EINVAL; | |
334 | } | |
335 | ||
c62e11ce | 336 | f = fopen("/usr/share/X11/xkb/rules/base.lst", "re"); |
4a62c710 MS |
337 | if (!f) |
338 | return log_error_errno(errno, "Failed to open keyboard mapping list. %m"); | |
50cfc579 LP |
339 | |
340 | if (streq(args[0], "list-x11-keymap-models")) | |
341 | look_for = MODELS; | |
342 | else if (streq(args[0], "list-x11-keymap-layouts")) | |
343 | look_for = LAYOUTS; | |
344 | else if (streq(args[0], "list-x11-keymap-variants")) | |
345 | look_for = VARIANTS; | |
346 | else if (streq(args[0], "list-x11-keymap-options")) | |
347 | look_for = OPTIONS; | |
348 | else | |
349 | assert_not_reached("Wrong parameter"); | |
350 | ||
351 | FOREACH_LINE(line, f, break) { | |
352 | char *l, *w; | |
353 | ||
354 | l = strstrip(line); | |
355 | ||
356 | if (isempty(l)) | |
357 | continue; | |
358 | ||
359 | if (l[0] == '!') { | |
360 | if (startswith(l, "! model")) | |
361 | state = MODELS; | |
362 | else if (startswith(l, "! layout")) | |
363 | state = LAYOUTS; | |
364 | else if (startswith(l, "! variant")) | |
365 | state = VARIANTS; | |
366 | else if (startswith(l, "! option")) | |
367 | state = OPTIONS; | |
368 | else | |
369 | state = NONE; | |
370 | ||
371 | continue; | |
372 | } | |
373 | ||
374 | if (state != look_for) | |
375 | continue; | |
376 | ||
377 | w = l + strcspn(l, WHITESPACE); | |
378 | ||
379 | if (n > 1) { | |
380 | char *e; | |
381 | ||
382 | if (*w == 0) | |
383 | continue; | |
384 | ||
385 | *w = 0; | |
386 | w++; | |
387 | w += strspn(w, WHITESPACE); | |
388 | ||
389 | e = strchr(w, ':'); | |
390 | if (!e) | |
391 | continue; | |
392 | ||
393 | *e = 0; | |
394 | ||
395 | if (!streq(w, args[1])) | |
396 | continue; | |
397 | } else | |
398 | *w = 0; | |
399 | ||
7d6884b6 TA |
400 | r = strv_extend(&list, l); |
401 | if (r < 0) | |
402 | return log_oom(); | |
50cfc579 LP |
403 | } |
404 | ||
405 | if (strv_isempty(list)) { | |
406 | log_error("Couldn't find any entries."); | |
407 | return -ENOENT; | |
408 | } | |
409 | ||
410 | strv_sort(list); | |
411 | strv_uniq(list); | |
412 | ||
ea4b98e6 | 413 | pager_open(arg_no_pager, false); |
50cfc579 LP |
414 | |
415 | strv_print(list); | |
416 | return 0; | |
417 | } | |
418 | ||
601185b4 | 419 | static void help(void) { |
2087a7af | 420 | printf("%s [OPTIONS...] COMMAND ...\n\n" |
82c1d8f4 | 421 | "Query or change system locale and keyboard settings.\n\n" |
50cfc579 LP |
422 | " -h --help Show this help\n" |
423 | " --version Show package version\n" | |
50cfc579 LP |
424 | " --no-pager Do not pipe output into a pager\n" |
425 | " --no-ask-password Do not prompt for password\n" | |
4d7859d1 | 426 | " -H --host=[USER@]HOST Operate on remote host\n" |
a86a47ce LP |
427 | " -M --machine=CONTAINER Operate on local container\n" |
428 | " --no-convert Don't convert keyboard mappings\n\n" | |
2087a7af | 429 | "Commands:\n" |
50cfc579 LP |
430 | " status Show current locale settings\n" |
431 | " set-locale LOCALE... Set system locale\n" | |
432 | " list-locales Show known locales\n" | |
2ebcf936 | 433 | " set-keymap MAP [MAP] Set console and X11 keyboard mappings\n" |
50cfc579 | 434 | " list-keymaps Show known virtual console keyboard mappings\n" |
31cf921a | 435 | " set-x11-keymap LAYOUT [MODEL [VARIANT [OPTIONS]]]\n" |
2ebcf936 | 436 | " Set X11 and console keyboard mappings\n" |
50cfc579 LP |
437 | " list-x11-keymap-models Show known X11 keyboard mapping models\n" |
438 | " list-x11-keymap-layouts Show known X11 keyboard mapping layouts\n" | |
439 | " list-x11-keymap-variants [LAYOUT]\n" | |
440 | " Show known X11 keyboard mapping variants\n" | |
601185b4 ZJS |
441 | " list-x11-keymap-options Show known X11 keyboard mapping options\n" |
442 | , program_invocation_short_name); | |
2087a7af LP |
443 | } |
444 | ||
445 | static int parse_argv(int argc, char *argv[]) { | |
446 | ||
447 | enum { | |
448 | ARG_VERSION = 0x100, | |
449 | ARG_NO_PAGER, | |
450 | ARG_NO_CONVERT, | |
451 | ARG_NO_ASK_PASSWORD | |
452 | }; | |
453 | ||
454 | static const struct option options[] = { | |
4d7859d1 KS |
455 | { "help", no_argument, NULL, 'h' }, |
456 | { "version", no_argument, NULL, ARG_VERSION }, | |
457 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
458 | { "host", required_argument, NULL, 'H' }, | |
459 | { "machine", required_argument, NULL, 'M' }, | |
460 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
461 | { "no-convert", no_argument, NULL, ARG_NO_CONVERT }, | |
eb9da376 | 462 | {} |
2087a7af LP |
463 | }; |
464 | ||
465 | int c; | |
466 | ||
467 | assert(argc >= 0); | |
468 | assert(argv); | |
469 | ||
601185b4 | 470 | while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) |
2087a7af LP |
471 | |
472 | switch (c) { | |
473 | ||
474 | case 'h': | |
601185b4 ZJS |
475 | help(); |
476 | return 0; | |
2087a7af LP |
477 | |
478 | case ARG_VERSION: | |
3f6fd1ba | 479 | return version(); |
2087a7af | 480 | |
2087a7af LP |
481 | case ARG_NO_CONVERT: |
482 | arg_convert = false; | |
483 | break; | |
484 | ||
485 | case ARG_NO_PAGER: | |
486 | arg_no_pager = true; | |
487 | break; | |
488 | ||
546158bc JJ |
489 | case ARG_NO_ASK_PASSWORD: |
490 | arg_ask_password = false; | |
491 | break; | |
492 | ||
4d7859d1 KS |
493 | case 'H': |
494 | arg_transport = BUS_TRANSPORT_REMOTE; | |
495 | arg_host = optarg; | |
496 | break; | |
497 | ||
498 | case 'M': | |
de33fc62 | 499 | arg_transport = BUS_TRANSPORT_MACHINE; |
4d7859d1 KS |
500 | arg_host = optarg; |
501 | break; | |
502 | ||
2087a7af LP |
503 | case '?': |
504 | return -EINVAL; | |
505 | ||
506 | default: | |
eb9da376 | 507 | assert_not_reached("Unhandled option"); |
2087a7af | 508 | } |
2087a7af LP |
509 | |
510 | return 1; | |
511 | } | |
512 | ||
4d7859d1 | 513 | static int localectl_main(sd_bus *bus, int argc, char *argv[]) { |
2087a7af LP |
514 | |
515 | static const struct { | |
516 | const char* verb; | |
517 | const enum { | |
518 | MORE, | |
519 | LESS, | |
520 | EQUAL | |
521 | } argc_cmp; | |
522 | const int argc; | |
4d7859d1 | 523 | int (* const dispatch)(sd_bus *bus, char **args, unsigned n); |
2087a7af | 524 | } verbs[] = { |
50cfc579 LP |
525 | { "status", LESS, 1, show_status }, |
526 | { "set-locale", MORE, 2, set_locale }, | |
527 | { "list-locales", EQUAL, 1, list_locales }, | |
528 | { "set-keymap", MORE, 2, set_vconsole_keymap }, | |
529 | { "list-keymaps", EQUAL, 1, list_vconsole_keymaps }, | |
530 | { "set-x11-keymap", MORE, 2, set_x11_keymap }, | |
531 | { "list-x11-keymap-models", EQUAL, 1, list_x11_keymaps }, | |
532 | { "list-x11-keymap-layouts", EQUAL, 1, list_x11_keymaps }, | |
533 | { "list-x11-keymap-variants", LESS, 2, list_x11_keymaps }, | |
534 | { "list-x11-keymap-options", EQUAL, 1, list_x11_keymaps }, | |
2087a7af LP |
535 | }; |
536 | ||
537 | int left; | |
538 | unsigned i; | |
539 | ||
540 | assert(argc >= 0); | |
541 | assert(argv); | |
2087a7af LP |
542 | |
543 | left = argc - optind; | |
544 | ||
545 | if (left <= 0) | |
546 | /* Special rule: no arguments means "status" */ | |
547 | i = 0; | |
548 | else { | |
549 | if (streq(argv[optind], "help")) { | |
550 | help(); | |
551 | return 0; | |
552 | } | |
553 | ||
554 | for (i = 0; i < ELEMENTSOF(verbs); i++) | |
555 | if (streq(argv[optind], verbs[i].verb)) | |
556 | break; | |
557 | ||
558 | if (i >= ELEMENTSOF(verbs)) { | |
559 | log_error("Unknown operation %s", argv[optind]); | |
560 | return -EINVAL; | |
561 | } | |
562 | } | |
563 | ||
564 | switch (verbs[i].argc_cmp) { | |
565 | ||
566 | case EQUAL: | |
567 | if (left != verbs[i].argc) { | |
568 | log_error("Invalid number of arguments."); | |
569 | return -EINVAL; | |
570 | } | |
571 | ||
572 | break; | |
573 | ||
574 | case MORE: | |
575 | if (left < verbs[i].argc) { | |
576 | log_error("Too few arguments."); | |
577 | return -EINVAL; | |
578 | } | |
579 | ||
580 | break; | |
581 | ||
582 | case LESS: | |
583 | if (left > verbs[i].argc) { | |
584 | log_error("Too many arguments."); | |
585 | return -EINVAL; | |
586 | } | |
587 | ||
588 | break; | |
589 | ||
590 | default: | |
591 | assert_not_reached("Unknown comparison operator."); | |
592 | } | |
593 | ||
2087a7af LP |
594 | return verbs[i].dispatch(bus, argv + optind, left); |
595 | } | |
596 | ||
4d7859d1 | 597 | int main(int argc, char*argv[]) { |
0b3c84eb | 598 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
84f6181c | 599 | int r; |
2087a7af | 600 | |
a9cdc94f | 601 | setlocale(LC_ALL, ""); |
2087a7af LP |
602 | log_parse_environment(); |
603 | log_open(); | |
604 | ||
605 | r = parse_argv(argc, argv); | |
84f6181c | 606 | if (r <= 0) |
2087a7af | 607 | goto finish; |
2087a7af | 608 | |
266f3e26 | 609 | r = bus_connect_transport(arg_transport, arg_host, false, &bus); |
4d7859d1 | 610 | if (r < 0) { |
da927ba9 | 611 | log_error_errno(r, "Failed to create bus connection: %m"); |
4d7859d1 | 612 | goto finish; |
2087a7af LP |
613 | } |
614 | ||
4d7859d1 | 615 | r = localectl_main(bus, argc, argv); |
2087a7af | 616 | |
4d7859d1 | 617 | finish: |
2087a7af LP |
618 | pager_close(); |
619 | ||
84f6181c | 620 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
2087a7af | 621 | } |