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418b9be5 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
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 | ||
418b9be5 | 22 | #include <fcntl.h> |
418b9be5 LP |
23 | #include <getopt.h> |
24 | #include <shadow.h> | |
3f6fd1ba | 25 | #include <unistd.h> |
418b9be5 | 26 | |
3f6fd1ba | 27 | #include "ask-password-api.h" |
418b9be5 | 28 | #include "copy.h" |
3f6fd1ba LP |
29 | #include "fileio.h" |
30 | #include "hostname-util.h" | |
31 | #include "locale-util.h" | |
418b9be5 | 32 | #include "mkdir.h" |
418b9be5 | 33 | #include "path-util.h" |
3df3e884 | 34 | #include "random-util.h" |
3f6fd1ba | 35 | #include "strv.h" |
288a74cc | 36 | #include "terminal-util.h" |
3f6fd1ba | 37 | #include "time-util.h" |
418b9be5 LP |
38 | |
39 | static char *arg_root = NULL; | |
40 | static char *arg_locale = NULL; /* $LANG */ | |
41 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ | |
42 | static char *arg_timezone = NULL; | |
43 | static char *arg_hostname = NULL; | |
44 | static sd_id128_t arg_machine_id = {}; | |
45 | static char *arg_root_password = NULL; | |
46 | static bool arg_prompt_locale = false; | |
47 | static bool arg_prompt_timezone = false; | |
48 | static bool arg_prompt_hostname = false; | |
49 | static bool arg_prompt_root_password = false; | |
50 | static bool arg_copy_locale = false; | |
51 | static bool arg_copy_timezone = false; | |
52 | static bool arg_copy_root_password = false; | |
53 | ||
418b9be5 LP |
54 | static void clear_string(char *x) { |
55 | ||
56 | if (!x) | |
57 | return; | |
58 | ||
59 | /* A delicious drop of snake-oil! */ | |
60 | memset(x, 'x', strlen(x)); | |
61 | } | |
62 | ||
63 | static bool press_any_key(void) { | |
64 | char k = 0; | |
65 | bool need_nl = true; | |
66 | ||
67 | printf("-- Press any key to proceed --"); | |
68 | fflush(stdout); | |
69 | ||
94956f8f | 70 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
71 | |
72 | if (need_nl) | |
73 | putchar('\n'); | |
74 | ||
75 | return k != 'q'; | |
76 | } | |
77 | ||
78 | static void print_welcome(void) { | |
79 | _cleanup_free_ char *pretty_name = NULL; | |
80 | const char *os_release = NULL; | |
81 | static bool done = false; | |
82 | int r; | |
83 | ||
84 | if (done) | |
85 | return; | |
86 | ||
1d13f648 | 87 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
418b9be5 LP |
88 | r = parse_env_file(os_release, NEWLINE, |
89 | "PRETTY_NAME", &pretty_name, | |
90 | NULL); | |
91 | if (r == -ENOENT) { | |
92 | ||
1d13f648 | 93 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
418b9be5 LP |
94 | r = parse_env_file(os_release, NEWLINE, |
95 | "PRETTY_NAME", &pretty_name, | |
96 | NULL); | |
97 | } | |
98 | ||
99 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 100 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
101 | |
102 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
103 | isempty(pretty_name) ? "Linux" : pretty_name); | |
104 | ||
105 | press_any_key(); | |
106 | ||
107 | done = true; | |
108 | } | |
109 | ||
110 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
111 | unsigned n, per_column, i, j; | |
112 | unsigned break_lines, break_modulo; | |
113 | ||
114 | assert(n_columns > 0); | |
115 | ||
116 | n = strv_length(x); | |
117 | per_column = (n + n_columns - 1) / n_columns; | |
118 | ||
119 | break_lines = lines(); | |
120 | if (break_lines > 2) | |
121 | break_lines--; | |
122 | ||
123 | /* The first page gets two extra lines, since we want to show | |
124 | * a title */ | |
125 | break_modulo = break_lines; | |
126 | if (break_modulo > 3) | |
127 | break_modulo -= 3; | |
128 | ||
129 | for (i = 0; i < per_column; i++) { | |
130 | ||
131 | for (j = 0; j < n_columns; j ++) { | |
132 | _cleanup_free_ char *e = NULL; | |
133 | ||
134 | if (j * per_column + i >= n) | |
135 | break; | |
136 | ||
137 | e = ellipsize(x[j * per_column + i], width, percentage); | |
138 | if (!e) | |
139 | return log_oom(); | |
140 | ||
141 | printf("%4u) %-*s", j * per_column + i + 1, width, e); | |
142 | } | |
143 | ||
144 | putchar('\n'); | |
145 | ||
146 | /* on the first screen we reserve 2 extra lines for the title */ | |
147 | if (i % break_lines == break_modulo) { | |
148 | if (!press_any_key()) | |
149 | return 0; | |
150 | } | |
151 | } | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
157 | int r; | |
158 | ||
159 | assert(text); | |
160 | assert(is_valid); | |
161 | assert(ret); | |
162 | ||
163 | for (;;) { | |
164 | _cleanup_free_ char *p = NULL; | |
165 | unsigned u; | |
166 | ||
167 | r = ask_string(&p, "%s %s (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET), text); | |
23bbb0de MS |
168 | if (r < 0) |
169 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
170 | |
171 | if (isempty(p)) { | |
172 | log_warning("No data entered, skipping."); | |
173 | return 0; | |
174 | } | |
175 | ||
176 | r = safe_atou(p, &u); | |
177 | if (r >= 0) { | |
178 | char *c; | |
179 | ||
180 | if (u <= 0 || u > strv_length(l)) { | |
181 | log_error("Specified entry number out of range."); | |
182 | continue; | |
183 | } | |
184 | ||
185 | log_info("Selected '%s'.", l[u-1]); | |
186 | ||
187 | c = strdup(l[u-1]); | |
188 | if (!c) | |
189 | return log_oom(); | |
190 | ||
191 | free(*ret); | |
192 | *ret = c; | |
193 | return 0; | |
194 | } | |
195 | ||
196 | if (!is_valid(p)) { | |
197 | log_error("Entered data invalid."); | |
198 | continue; | |
199 | } | |
200 | ||
201 | free(*ret); | |
202 | *ret = p; | |
203 | p = 0; | |
204 | return 0; | |
205 | } | |
206 | } | |
207 | ||
208 | static int prompt_locale(void) { | |
209 | _cleanup_strv_free_ char **locales = NULL; | |
210 | int r; | |
211 | ||
212 | if (arg_locale || arg_locale_messages) | |
213 | return 0; | |
214 | ||
215 | if (!arg_prompt_locale) | |
216 | return 0; | |
217 | ||
218 | r = get_locales(&locales); | |
23bbb0de MS |
219 | if (r < 0) |
220 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
221 | |
222 | print_welcome(); | |
223 | ||
224 | printf("\nAvailable Locales:\n\n"); | |
225 | r = show_menu(locales, 3, 22, 60); | |
226 | if (r < 0) | |
227 | return r; | |
228 | ||
229 | putchar('\n'); | |
230 | ||
231 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
232 | if (r < 0) | |
233 | return r; | |
234 | ||
235 | if (isempty(arg_locale)) | |
236 | return 0; | |
237 | ||
238 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
239 | if (r < 0) | |
240 | return r; | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | static int process_locale(void) { | |
246 | const char *etc_localeconf; | |
247 | char* locales[3]; | |
248 | unsigned i = 0; | |
249 | int r; | |
250 | ||
1d13f648 | 251 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
418b9be5 LP |
252 | if (faccessat(AT_FDCWD, etc_localeconf, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
253 | return 0; | |
254 | ||
255 | if (arg_copy_locale && arg_root) { | |
256 | ||
257 | mkdir_parents(etc_localeconf, 0755); | |
f2068bcc | 258 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0); |
418b9be5 | 259 | if (r != -ENOENT) { |
23bbb0de MS |
260 | if (r < 0) |
261 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
262 | |
263 | log_info("%s copied.", etc_localeconf); | |
264 | return 0; | |
265 | } | |
266 | } | |
267 | ||
268 | r = prompt_locale(); | |
269 | if (r < 0) | |
270 | return r; | |
271 | ||
272 | if (!isempty(arg_locale)) | |
63c372cb | 273 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 274 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 275 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
276 | |
277 | if (i == 0) | |
278 | return 0; | |
279 | ||
280 | locales[i] = NULL; | |
281 | ||
282 | mkdir_parents(etc_localeconf, 0755); | |
283 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
284 | if (r < 0) |
285 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
286 | |
287 | log_info("%s written.", etc_localeconf); | |
288 | return 0; | |
289 | } | |
290 | ||
291 | static int prompt_timezone(void) { | |
292 | _cleanup_strv_free_ char **zones = NULL; | |
293 | int r; | |
294 | ||
295 | if (arg_timezone) | |
296 | return 0; | |
297 | ||
298 | if (!arg_prompt_timezone) | |
299 | return 0; | |
300 | ||
301 | r = get_timezones(&zones); | |
23bbb0de MS |
302 | if (r < 0) |
303 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
304 | |
305 | print_welcome(); | |
306 | ||
307 | printf("\nAvailable Time Zones:\n\n"); | |
308 | r = show_menu(zones, 3, 22, 30); | |
309 | if (r < 0) | |
310 | return r; | |
311 | ||
312 | putchar('\n'); | |
313 | ||
314 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); | |
315 | if (r < 0) | |
316 | return r; | |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
321 | static int process_timezone(void) { | |
322 | const char *etc_localtime, *e; | |
323 | int r; | |
324 | ||
1d13f648 | 325 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
418b9be5 LP |
326 | if (faccessat(AT_FDCWD, etc_localtime, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
327 | return 0; | |
328 | ||
329 | if (arg_copy_timezone && arg_root) { | |
330 | _cleanup_free_ char *p = NULL; | |
331 | ||
332 | r = readlink_malloc("/etc/localtime", &p); | |
333 | if (r != -ENOENT) { | |
23bbb0de MS |
334 | if (r < 0) |
335 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
336 | |
337 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
338 | if (symlink(p, etc_localtime) < 0) |
339 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
340 | |
341 | log_info("%s copied.", etc_localtime); | |
342 | return 0; | |
343 | } | |
344 | } | |
345 | ||
346 | r = prompt_timezone(); | |
347 | if (r < 0) | |
348 | return r; | |
349 | ||
350 | if (isempty(arg_timezone)) | |
351 | return 0; | |
352 | ||
63c372cb | 353 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
354 | |
355 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
356 | if (symlink(e, etc_localtime) < 0) |
357 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
358 | |
359 | log_info("%s written", etc_localtime); | |
360 | return 0; | |
361 | } | |
362 | ||
363 | static int prompt_hostname(void) { | |
364 | int r; | |
365 | ||
366 | if (arg_hostname) | |
367 | return 0; | |
368 | ||
369 | if (!arg_prompt_hostname) | |
370 | return 0; | |
371 | ||
372 | print_welcome(); | |
373 | putchar('\n'); | |
374 | ||
375 | for (;;) { | |
376 | _cleanup_free_ char *h = NULL; | |
377 | ||
378 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET)); | |
23bbb0de MS |
379 | if (r < 0) |
380 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
381 | |
382 | if (isempty(h)) { | |
383 | log_warning("No hostname entered, skipping."); | |
384 | break; | |
385 | } | |
386 | ||
34ad6090 | 387 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
388 | log_error("Specified hostname invalid."); |
389 | continue; | |
390 | } | |
391 | ||
34ad6090 | 392 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 393 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
394 | h = NULL; |
395 | break; | |
396 | } | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | static int process_hostname(void) { | |
402 | const char *etc_hostname; | |
403 | int r; | |
404 | ||
1d13f648 | 405 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
418b9be5 LP |
406 | if (faccessat(AT_FDCWD, etc_hostname, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
407 | return 0; | |
408 | ||
409 | r = prompt_hostname(); | |
410 | if (r < 0) | |
411 | return r; | |
412 | ||
413 | if (isempty(arg_hostname)) | |
414 | return 0; | |
415 | ||
416 | mkdir_parents(etc_hostname, 0755); | |
4c1fc3e4 | 417 | r = write_string_file(etc_hostname, arg_hostname, WRITE_STRING_FILE_CREATE); |
23bbb0de MS |
418 | if (r < 0) |
419 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
420 | |
421 | log_info("%s written.", etc_hostname); | |
422 | return 0; | |
423 | } | |
424 | ||
425 | static int process_machine_id(void) { | |
426 | const char *etc_machine_id; | |
427 | char id[SD_ID128_STRING_MAX]; | |
428 | int r; | |
429 | ||
1d13f648 | 430 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
418b9be5 LP |
431 | if (faccessat(AT_FDCWD, etc_machine_id, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
432 | return 0; | |
433 | ||
418b9be5 LP |
434 | if (sd_id128_equal(arg_machine_id, SD_ID128_NULL)) |
435 | return 0; | |
436 | ||
437 | mkdir_parents(etc_machine_id, 0755); | |
4c1fc3e4 | 438 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), WRITE_STRING_FILE_CREATE); |
23bbb0de MS |
439 | if (r < 0) |
440 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
441 | |
442 | log_info("%s written.", etc_machine_id); | |
443 | return 0; | |
444 | } | |
445 | ||
446 | static int prompt_root_password(void) { | |
447 | const char *msg1, *msg2, *etc_shadow; | |
448 | int r; | |
449 | ||
450 | if (arg_root_password) | |
451 | return 0; | |
452 | ||
453 | if (!arg_prompt_root_password) | |
454 | return 0; | |
455 | ||
1d13f648 | 456 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
418b9be5 LP |
457 | if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
458 | return 0; | |
459 | ||
460 | print_welcome(); | |
461 | putchar('\n'); | |
462 | ||
63c372cb LP |
463 | msg1 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
464 | msg2 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
465 | |
466 | for (;;) { | |
467 | _cleanup_free_ char *a = NULL, *b = NULL; | |
468 | ||
64845bdc | 469 | r = ask_password_tty(msg1, 0, false, NULL, &a); |
23bbb0de MS |
470 | if (r < 0) |
471 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
472 | |
473 | if (isempty(a)) { | |
474 | log_warning("No password entered, skipping."); | |
475 | break; | |
476 | } | |
477 | ||
64845bdc | 478 | r = ask_password_tty(msg2, 0, false, NULL, &b); |
418b9be5 | 479 | if (r < 0) { |
da927ba9 | 480 | log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
481 | clear_string(a); |
482 | return r; | |
483 | } | |
484 | ||
485 | if (!streq(a, b)) { | |
486 | log_error("Entered passwords did not match, please try again."); | |
487 | clear_string(a); | |
488 | clear_string(b); | |
489 | continue; | |
490 | } | |
491 | ||
492 | clear_string(b); | |
493 | arg_root_password = a; | |
494 | a = NULL; | |
495 | break; | |
496 | } | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
501 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
502 | _cleanup_fclose_ FILE *f = NULL; | |
503 | assert(path); | |
504 | assert(p); | |
505 | ||
3250929b LP |
506 | RUN_WITH_UMASK(0777) |
507 | f = fopen(path, "wex"); | |
418b9be5 LP |
508 | if (!f) |
509 | return -errno; | |
510 | ||
511 | errno = 0; | |
512 | if (putspent(p, f) != 0) | |
513 | return errno ? -errno : -EIO; | |
514 | ||
515 | return fflush_and_check(f); | |
516 | } | |
517 | ||
518 | static int process_root_password(void) { | |
519 | ||
520 | static const char table[] = | |
521 | "abcdefghijklmnopqrstuvwxyz" | |
522 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
523 | "0123456789" | |
524 | "./"; | |
525 | ||
526 | struct spwd item = { | |
527 | .sp_namp = (char*) "root", | |
ad525df8 IS |
528 | .sp_min = -1, |
529 | .sp_max = -1, | |
530 | .sp_warn = -1, | |
418b9be5 LP |
531 | .sp_inact = -1, |
532 | .sp_expire = -1, | |
533 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
534 | }; | |
45035609 LP |
535 | |
536 | _cleanup_close_ int lock = -1; | |
418b9be5 LP |
537 | char salt[3+16+1+1]; |
538 | uint8_t raw[16]; | |
539 | unsigned i; | |
540 | char *j; | |
541 | ||
542 | const char *etc_shadow; | |
543 | int r; | |
544 | ||
1d13f648 | 545 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
418b9be5 LP |
546 | if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) |
547 | return 0; | |
548 | ||
45035609 LP |
549 | mkdir_parents(etc_shadow, 0755); |
550 | ||
551 | lock = take_password_lock(arg_root); | |
552 | if (lock < 0) | |
553 | return lock; | |
554 | ||
418b9be5 LP |
555 | if (arg_copy_root_password && arg_root) { |
556 | struct spwd *p; | |
557 | ||
558 | errno = 0; | |
559 | p = getspnam("root"); | |
560 | if (p || errno != ENOENT) { | |
561 | if (!p) { | |
562 | if (!errno) | |
563 | errno = EIO; | |
564 | ||
56f64d95 | 565 | log_error_errno(errno, "Failed to find shadow entry for root: %m"); |
418b9be5 LP |
566 | return -errno; |
567 | } | |
568 | ||
569 | r = write_root_shadow(etc_shadow, p); | |
23bbb0de MS |
570 | if (r < 0) |
571 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
572 | |
573 | log_info("%s copied.", etc_shadow); | |
574 | return 0; | |
575 | } | |
576 | } | |
577 | ||
578 | r = prompt_root_password(); | |
579 | if (r < 0) | |
580 | return r; | |
581 | ||
582 | if (!arg_root_password) | |
583 | return 0; | |
584 | ||
585 | r = dev_urandom(raw, 16); | |
23bbb0de MS |
586 | if (r < 0) |
587 | return log_error_errno(r, "Failed to get salt: %m"); | |
418b9be5 LP |
588 | |
589 | /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ | |
590 | assert_cc(sizeof(table) == 64 + 1); | |
591 | j = stpcpy(salt, "$6$"); | |
592 | for (i = 0; i < 16; i++) | |
593 | j[i] = table[raw[i] & 63]; | |
594 | j[i++] = '$'; | |
595 | j[i] = 0; | |
596 | ||
597 | errno = 0; | |
598 | item.sp_pwdp = crypt(arg_root_password, salt); | |
599 | if (!item.sp_pwdp) { | |
600 | if (!errno) | |
601 | errno = -EINVAL; | |
602 | ||
56f64d95 | 603 | log_error_errno(errno, "Failed to encrypt password: %m"); |
418b9be5 LP |
604 | return -errno; |
605 | } | |
606 | ||
607 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
608 | ||
609 | r = write_root_shadow(etc_shadow, &item); | |
23bbb0de MS |
610 | if (r < 0) |
611 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
612 | |
613 | log_info("%s written.", etc_shadow); | |
614 | return 0; | |
615 | } | |
616 | ||
601185b4 | 617 | static void help(void) { |
418b9be5 LP |
618 | printf("%s [OPTIONS...]\n\n" |
619 | "Configures basic settings of the system.\n\n" | |
620 | " -h --help Show this help\n" | |
621 | " --version Show package version\n" | |
622 | " --root=PATH Operate on an alternate filesystem root\n" | |
623 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
624 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
625 | " --timezone=TIMEZONE Set timezone\n" | |
626 | " --hostname=NAME Set host name\n" | |
627 | " --machine-ID=ID Set machine ID\n" | |
628 | " --root-password=PASSWORD Set root password\n" | |
629 | " --root-password-file=FILE Set root password from file\n" | |
630 | " --prompt-locale Prompt the user for locale settings\n" | |
631 | " --prompt-timezone Prompt the user for timezone\n" | |
632 | " --prompt-hostname Prompt the user for hostname\n" | |
633 | " --prompt-root-password Prompt the user for root password\n" | |
b57b0625 | 634 | " --prompt Prompt for all of the above\n" |
418b9be5 LP |
635 | " --copy-locale Copy locale from host\n" |
636 | " --copy-timezone Copy timezone from host\n" | |
637 | " --copy-root-password Copy root password from host\n" | |
638 | " --copy Copy locale, timezone, root password\n" | |
601185b4 ZJS |
639 | " --setup-machine-id Generate a new random machine ID\n" |
640 | , program_invocation_short_name); | |
418b9be5 LP |
641 | } |
642 | ||
643 | static int parse_argv(int argc, char *argv[]) { | |
644 | ||
645 | enum { | |
646 | ARG_VERSION = 0x100, | |
647 | ARG_ROOT, | |
648 | ARG_LOCALE, | |
649 | ARG_LOCALE_MESSAGES, | |
650 | ARG_TIMEZONE, | |
651 | ARG_HOSTNAME, | |
652 | ARG_MACHINE_ID, | |
653 | ARG_ROOT_PASSWORD, | |
654 | ARG_ROOT_PASSWORD_FILE, | |
655 | ARG_PROMPT, | |
656 | ARG_PROMPT_LOCALE, | |
657 | ARG_PROMPT_TIMEZONE, | |
658 | ARG_PROMPT_HOSTNAME, | |
659 | ARG_PROMPT_ROOT_PASSWORD, | |
660 | ARG_COPY, | |
661 | ARG_COPY_LOCALE, | |
662 | ARG_COPY_TIMEZONE, | |
663 | ARG_COPY_ROOT_PASSWORD, | |
664 | ARG_SETUP_MACHINE_ID, | |
665 | }; | |
666 | ||
667 | static const struct option options[] = { | |
668 | { "help", no_argument, NULL, 'h' }, | |
669 | { "version", no_argument, NULL, ARG_VERSION }, | |
670 | { "root", required_argument, NULL, ARG_ROOT }, | |
671 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
672 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
673 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, | |
674 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
675 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
676 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
677 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
678 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
679 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
680 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, | |
681 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
682 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
683 | { "copy", no_argument, NULL, ARG_COPY }, | |
684 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
685 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, | |
686 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
687 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
688 | {} | |
689 | }; | |
690 | ||
691 | int r, c; | |
692 | ||
693 | assert(argc >= 0); | |
694 | assert(argv); | |
695 | ||
601185b4 | 696 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
418b9be5 LP |
697 | |
698 | switch (c) { | |
699 | ||
700 | case 'h': | |
601185b4 ZJS |
701 | help(); |
702 | return 0; | |
418b9be5 LP |
703 | |
704 | case ARG_VERSION: | |
3f6fd1ba | 705 | return version(); |
418b9be5 LP |
706 | |
707 | case ARG_ROOT: | |
708 | free(arg_root); | |
709 | arg_root = path_make_absolute_cwd(optarg); | |
710 | if (!arg_root) | |
711 | return log_oom(); | |
712 | ||
713 | path_kill_slashes(arg_root); | |
714 | ||
97b11eed DH |
715 | if (path_equal(arg_root, "/")) |
716 | arg_root = mfree(arg_root); | |
418b9be5 LP |
717 | |
718 | break; | |
719 | ||
720 | case ARG_LOCALE: | |
721 | if (!locale_is_valid(optarg)) { | |
722 | log_error("Locale %s is not valid.", optarg); | |
723 | return -EINVAL; | |
724 | } | |
725 | ||
2fc09a9c DM |
726 | r = free_and_strdup(&arg_locale, optarg); |
727 | if (r < 0) | |
418b9be5 LP |
728 | return log_oom(); |
729 | ||
730 | break; | |
731 | ||
732 | case ARG_LOCALE_MESSAGES: | |
733 | if (!locale_is_valid(optarg)) { | |
734 | log_error("Locale %s is not valid.", optarg); | |
735 | return -EINVAL; | |
736 | } | |
737 | ||
2fc09a9c DM |
738 | r = free_and_strdup(&arg_locale_messages, optarg); |
739 | if (r < 0) | |
418b9be5 LP |
740 | return log_oom(); |
741 | ||
742 | break; | |
743 | ||
744 | case ARG_TIMEZONE: | |
745 | if (!timezone_is_valid(optarg)) { | |
746 | log_error("Timezone %s is not valid.", optarg); | |
747 | return -EINVAL; | |
748 | } | |
749 | ||
2fc09a9c DM |
750 | r = free_and_strdup(&arg_timezone, optarg); |
751 | if (r < 0) | |
418b9be5 LP |
752 | return log_oom(); |
753 | ||
754 | break; | |
755 | ||
756 | case ARG_ROOT_PASSWORD: | |
2fc09a9c DM |
757 | r = free_and_strdup(&arg_root_password, optarg); |
758 | if (r < 0) | |
418b9be5 | 759 | return log_oom(); |
418b9be5 LP |
760 | break; |
761 | ||
762 | case ARG_ROOT_PASSWORD_FILE: | |
0da16248 | 763 | arg_root_password = mfree(arg_root_password); |
418b9be5 LP |
764 | |
765 | r = read_one_line_file(optarg, &arg_root_password); | |
23bbb0de MS |
766 | if (r < 0) |
767 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
418b9be5 LP |
768 | |
769 | break; | |
770 | ||
771 | case ARG_HOSTNAME: | |
34ad6090 | 772 | if (!hostname_is_valid(optarg, true)) { |
418b9be5 LP |
773 | log_error("Host name %s is not valid.", optarg); |
774 | return -EINVAL; | |
775 | } | |
776 | ||
ae691c1d | 777 | hostname_cleanup(optarg); |
2fc09a9c DM |
778 | r = free_and_strdup(&arg_hostname, optarg); |
779 | if (r < 0) | |
418b9be5 LP |
780 | return log_oom(); |
781 | ||
782 | break; | |
783 | ||
784 | case ARG_MACHINE_ID: | |
785 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { | |
786 | log_error("Failed to parse machine id %s.", optarg); | |
787 | return -EINVAL; | |
788 | } | |
789 | ||
790 | break; | |
791 | ||
792 | case ARG_PROMPT: | |
793 | arg_prompt_locale = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; | |
794 | break; | |
795 | ||
796 | case ARG_PROMPT_LOCALE: | |
797 | arg_prompt_locale = true; | |
798 | break; | |
799 | ||
800 | case ARG_PROMPT_TIMEZONE: | |
801 | arg_prompt_timezone = true; | |
802 | break; | |
803 | ||
804 | case ARG_PROMPT_HOSTNAME: | |
805 | arg_prompt_hostname = true; | |
806 | break; | |
807 | ||
808 | case ARG_PROMPT_ROOT_PASSWORD: | |
809 | arg_prompt_root_password = true; | |
810 | break; | |
811 | ||
812 | case ARG_COPY: | |
813 | arg_copy_locale = arg_copy_timezone = arg_copy_root_password = true; | |
e926f647 | 814 | break; |
418b9be5 LP |
815 | |
816 | case ARG_COPY_LOCALE: | |
817 | arg_copy_locale = true; | |
818 | break; | |
819 | ||
820 | case ARG_COPY_TIMEZONE: | |
821 | arg_copy_timezone = true; | |
822 | break; | |
823 | ||
824 | case ARG_COPY_ROOT_PASSWORD: | |
825 | arg_copy_root_password = true; | |
826 | break; | |
827 | ||
828 | case ARG_SETUP_MACHINE_ID: | |
829 | ||
830 | r = sd_id128_randomize(&arg_machine_id); | |
23bbb0de MS |
831 | if (r < 0) |
832 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
418b9be5 LP |
833 | |
834 | break; | |
835 | ||
836 | case '?': | |
837 | return -EINVAL; | |
838 | ||
839 | default: | |
840 | assert_not_reached("Unhandled option"); | |
841 | } | |
418b9be5 LP |
842 | |
843 | return 1; | |
844 | } | |
845 | ||
846 | int main(int argc, char *argv[]) { | |
847 | int r; | |
848 | ||
849 | r = parse_argv(argc, argv); | |
850 | if (r <= 0) | |
851 | goto finish; | |
852 | ||
853 | log_set_target(LOG_TARGET_AUTO); | |
854 | log_parse_environment(); | |
855 | log_open(); | |
856 | ||
857 | umask(0022); | |
858 | ||
859 | r = process_locale(); | |
860 | if (r < 0) | |
861 | goto finish; | |
862 | ||
863 | r = process_timezone(); | |
864 | if (r < 0) | |
865 | goto finish; | |
866 | ||
867 | r = process_hostname(); | |
868 | if (r < 0) | |
869 | goto finish; | |
870 | ||
871 | r = process_machine_id(); | |
872 | if (r < 0) | |
873 | goto finish; | |
874 | ||
875 | r = process_root_password(); | |
876 | if (r < 0) | |
877 | goto finish; | |
878 | ||
879 | finish: | |
880 | free(arg_root); | |
881 | free(arg_locale); | |
882 | free(arg_locale_messages); | |
883 | free(arg_timezone); | |
884 | free(arg_hostname); | |
885 | clear_string(arg_root_password); | |
886 | free(arg_root_password); | |
887 | ||
888 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
889 | } |