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[thirdparty/systemd.git] / src / firstboot / firstboot.c
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53e1b683 1/* SPDX-License-Identifier: LGPL-2.1+ */
418b9be5 2
418b9be5 3#include <fcntl.h>
418b9be5 4#include <getopt.h>
3f6fd1ba 5#include <unistd.h>
418b9be5 6
dccca82b
LP		 7#include "sd-id128.h"
8
b5efdb8a 9#include "alloc-util.h"
3f6fd1ba 10#include "ask-password-api.h"
418b9be5 11#include "copy.h"
686d13b9 12#include "env-file.h"
6bedfcbb 13#include "fd-util.h"
3f6fd1ba 14#include "fileio.h"
f4f15635 15#include "fs-util.h"
3f6fd1ba 16#include "hostname-util.h"
f05e1d0d 17#include "kbd-util.h"
42f3b2f9 18#include "libcrypt-util.h"
3f6fd1ba 19#include "locale-util.h"
45f39418 20#include "main-func.h"
9ae4ef49 21#include "memory-util.h"
418b9be5 22#include "mkdir.h"
d58ad743 23#include "os-util.h"
6bedfcbb 24#include "parse-util.h"
418b9be5 25#include "path-util.h"
294bf0c3 26#include "pretty-print.h"
f582cbca 27#include "proc-cmdline.h"
3df3e884 28#include "random-util.h"
6bedfcbb 29#include "string-util.h"
3f6fd1ba 30#include "strv.h"
288a74cc 31#include "terminal-util.h"
3f6fd1ba 32#include "time-util.h"
affb60b1 33#include "umask-util.h"
e929bee0 34#include "user-util.h"
418b9be5
LP		 35
36static char *arg_root = NULL;
37static char *arg_locale = NULL; /* $LANG */
ed457f13 38static char *arg_keymap = NULL;
418b9be5
LP		 39static char *arg_locale_messages = NULL; /* $LC_MESSAGES */
40static char *arg_timezone = NULL;
41static char *arg_hostname = NULL;
42static sd_id128_t arg_machine_id = {};
43static char *arg_root_password = NULL;
44static bool arg_prompt_locale = false;
ed457f13 45static bool arg_prompt_keymap = false;
418b9be5
LP		 46static bool arg_prompt_timezone = false;
47static bool arg_prompt_hostname = false;
48static bool arg_prompt_root_password = false;
49static bool arg_copy_locale = false;
ed457f13 50static bool arg_copy_keymap = false;
418b9be5
LP		 51static bool arg_copy_timezone = false;
52static bool arg_copy_root_password = false;
53
45f39418
YW		 54STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
55STATIC_DESTRUCTOR_REGISTER(arg_locale, freep);
56STATIC_DESTRUCTOR_REGISTER(arg_locale_messages, freep);
57STATIC_DESTRUCTOR_REGISTER(arg_keymap, freep);
58STATIC_DESTRUCTOR_REGISTER(arg_timezone, freep);
59STATIC_DESTRUCTOR_REGISTER(arg_hostname, freep);
9ae4ef49 60STATIC_DESTRUCTOR_REGISTER(arg_root_password, erase_and_freep);
45f39418 61
418b9be5
LP		 62static bool press_any_key(void) {
63 char k = 0;
64 bool need_nl = true;
65
66 printf("-- Press any key to proceed --");
67 fflush(stdout);
68
94956f8f 69 (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl);
418b9be5
LP		 70
71 if (need_nl)
72 putchar('\n');
73
74 return k != 'q';
75}
76
77static void print_welcome(void) {
4aeadec7 78 _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
418b9be5 79 static bool done = false;
4aeadec7 80 const char *pn;
418b9be5
LP		 81 int r;
82
83 if (done)
84 return;
85
4aeadec7
LP		 86 r = parse_os_release(
87 arg_root,
88 "PRETTY_NAME", &pretty_name,
89 "ANSI_COLOR", &ansi_color,
90 NULL);
d58ad743
LP		 91 if (r < 0)
92 log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r,
93 "Failed to read os-release file, ignoring: %m");
418b9be5 94
4aeadec7
LP		 95 pn = isempty(pretty_name) ? "Linux" : pretty_name;
96
97 if (colors_enabled())
98 printf("\nWelcome to your new installation of \x1B[%sm%s\x1B[0m!\n", ansi_color, pn);
99 else
100 printf("\nWelcome to your new installation of %s!\n", pn);
101
102 printf("\nPlease configure your system!\n\n");
418b9be5
LP		 103
104 press_any_key();
105
106 done = true;
107}
108
109static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) {
418b9be5 110 unsigned break_lines, break_modulo;
da6053d0 111 size_t n, per_column, i, j;
418b9be5
LP		 112
113 assert(n_columns > 0);
114
115 n = strv_length(x);
be6b0c21 116 per_column = DIV_ROUND_UP(n, n_columns);
418b9be5
LP		 117
118 break_lines = lines();
119 if (break_lines > 2)
120 break_lines--;
121
122 /* The first page gets two extra lines, since we want to show
123 * a title */
124 break_modulo = break_lines;
125 if (break_modulo > 3)
126 break_modulo -= 3;
127
128 for (i = 0; i < per_column; i++) {
129
130 for (j = 0; j < n_columns; j ++) {
131 _cleanup_free_ char *e = NULL;
132
133 if (j * per_column + i >= n)
134 break;
135
136 e = ellipsize(x[j * per_column + i], width, percentage);
137 if (!e)
138 return log_oom();
139
da6053d0 140 printf("%4zu) %-*s", j * per_column + i + 1, width, e);
418b9be5
LP		 141 }
142
143 putchar('\n');
144
145 /* on the first screen we reserve 2 extra lines for the title */
146 if (i % break_lines == break_modulo) {
147 if (!press_any_key())
148 return 0;
149 }
150 }
151
152 return 0;
153}
154
ecada8f2 155static int prompt_loop(const char *text, char **l, unsigned percentage, bool (*is_valid)(const char *name), char **ret) {
418b9be5
LP		 156 int r;
157
158 assert(text);
159 assert(is_valid);
160 assert(ret);
161
162 for (;;) {
163 _cleanup_free_ char *p = NULL;
164 unsigned u;
165
ecada8f2
ZJS		 166 r = ask_string(&p, "%s %s (empty to skip, \"list\" to list options): ",
167 special_glyph(SPECIAL_GLYPH_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
ecada8f2
ZJS		 176 if (streq(p, "list")) {
177 r = show_menu(l, 3, 22, percentage);
178 if (r < 0)
179 return r;
180
181 putchar('\n');
182 continue;
183 };
184
418b9be5
LP		 185 r = safe_atou(p, &u);
186 if (r >= 0) {
418b9be5
LP		 187 if (u <= 0 || u > strv_length(l)) {
188 log_error("Specified entry number out of range.");
189 continue;
190 }
191
192 log_info("Selected '%s'.", l[u-1]);
bfbf5f74 193 if (free_and_strdup(ret, l[u-1]) < 0)
418b9be5
LP		 194 return log_oom();
195
418b9be5
LP		 196 return 0;
197 }
198
199 if (!is_valid(p)) {
200 log_error("Entered data invalid.");
201 continue;
202 }
203
bfbf5f74 204 return free_and_replace(*ret, p);
418b9be5
LP		 205 }
206}
207
208static 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 221
bdd7cd26
LP		 222 if (strv_isempty(locales))
223 log_debug("No locales found, skipping locale selection.");
224 else if (strv_length(locales) == 1) {
418b9be5 225
bdd7cd26
LP		 226 if (streq(locales[0], SYSTEMD_DEFAULT_LOCALE))
227 log_debug("Only installed locale is default locale anyway, not setting locale explicitly.");
228 else {
229 log_debug("Only a single locale available (%s), selecting it as default.", locales[0]);
418b9be5 230
bdd7cd26
LP		 231 arg_locale = strdup(locales[0]);
232 if (!arg_locale)
233 return log_oom();
418b9be5 234
bdd7cd26
LP		 235 /* Not setting arg_locale_message here, since it defaults to LANG anyway */
236 }
237 } else {
238 print_welcome();
418b9be5 239
ecada8f2
ZJS		 240 r = prompt_loop("Please enter system locale name or number",
241 locales, 60, locale_is_valid, &arg_locale);
bdd7cd26
LP		 242 if (r < 0)
243 return r;
244
245 if (isempty(arg_locale))
246 return 0;
247
ecada8f2
ZJS		 248 r = prompt_loop("Please enter system message locale name or number",
249 locales, 60, locale_is_valid, &arg_locale_messages);
bdd7cd26
LP		 250 if (r < 0)
251 return r;
252
253 /* Suppress the messages setting if it's the same as the main locale anyway */
254 if (streq_ptr(arg_locale, arg_locale_messages))
255 arg_locale_messages = mfree(arg_locale_messages);
256 }
418b9be5
LP		 257
258 return 0;
259}
260
261static int process_locale(void) {
262 const char *etc_localeconf;
263 char* locales[3];
264 unsigned i = 0;
265 int r;
266
1d13f648 267 etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf");
b3cd687d 268 if (laccess(etc_localeconf, F_OK) >= 0)
418b9be5
LP		 269 return 0;
270
271 if (arg_copy_locale && arg_root) {
272
22e596d6 273 (void) mkdir_parents(etc_localeconf, 0755);
8a016c74 274 r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, 0, COPY_REFLINK);
418b9be5 275 if (r != -ENOENT) {
23bbb0de
MS		 276 if (r < 0)
277 return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf);
418b9be5
LP		 278
279 log_info("%s copied.", etc_localeconf);
280 return 0;
281 }
282 }
283
284 r = prompt_locale();
285 if (r < 0)
286 return r;
287
288 if (!isempty(arg_locale))
63c372cb 289 locales[i++] = strjoina("LANG=", arg_locale);
418b9be5 290 if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale))
63c372cb 291 locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages);
418b9be5
LP		 292
293 if (i == 0)
294 return 0;
295
296 locales[i] = NULL;
297
22e596d6 298 (void) mkdir_parents(etc_localeconf, 0755);
418b9be5 299 r = write_env_file(etc_localeconf, locales);
23bbb0de
MS		 300 if (r < 0)
301 return log_error_errno(r, "Failed to write %s: %m", etc_localeconf);
418b9be5
LP		 302
303 log_info("%s written.", etc_localeconf);
304 return 0;
305}
306
ed457f13
TB		 307static int prompt_keymap(void) {
308 _cleanup_strv_free_ char **kmaps = NULL;
309 int r;
310
311 if (arg_keymap)
312 return 0;
313
314 if (!arg_prompt_keymap)
315 return 0;
316
317 r = get_keymaps(&kmaps);
318 if (r == -ENOENT) /* no keymaps installed */
319 return r;
320 if (r < 0)
321 return log_error_errno(r, "Failed to read keymaps: %m");
322
323 print_welcome();
324
8700b4da 325 return prompt_loop("Please enter system keymap name or number",
ecada8f2 326 kmaps, 60, keymap_is_valid, &arg_keymap);
ed457f13
TB		 327}
328
329static int process_keymap(void) {
330 const char *etc_vconsoleconf;
331 char **keymap;
332 int r;
333
334 etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf");
335 if (laccess(etc_vconsoleconf, F_OK) >= 0)
336 return 0;
337
338 if (arg_copy_keymap && arg_root) {
339
22e596d6 340 (void) mkdir_parents(etc_vconsoleconf, 0755);
8a016c74 341 r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, 0, COPY_REFLINK);
ed457f13
TB		 342 if (r != -ENOENT) {
343 if (r < 0)
344 return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf);
345
346 log_info("%s copied.", etc_vconsoleconf);
347 return 0;
348 }
349 }
350
351 r = prompt_keymap();
352 if (r == -ENOENT)
353 return 0; /* don't fail if no keymaps are installed */
354 if (r < 0)
355 return r;
356
a7353b4d 357 if (isempty(arg_keymap))
ed457f13
TB		 358 return 0;
359
a7353b4d
YW		 360 keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap));
361
362 r = mkdir_parents(etc_vconsoleconf, 0755);
363 if (r < 0)
364 return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf);
365
ed457f13
TB		 366 r = write_env_file(etc_vconsoleconf, keymap);
367 if (r < 0)
368 return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf);
369
370 log_info("%s written.", etc_vconsoleconf);
371 return 0;
372}
373
089fb865
MG		 374static bool timezone_is_valid_log_error(const char *name) {
375 return timezone_is_valid(name, LOG_ERR);
376}
377
418b9be5
LP		 378static int prompt_timezone(void) {
379 _cleanup_strv_free_ char **zones = NULL;
380 int r;
381
382 if (arg_timezone)
383 return 0;
384
385 if (!arg_prompt_timezone)
386 return 0;
387
388 r = get_timezones(&zones);
23bbb0de
MS		 389 if (r < 0)
390 return log_error_errno(r, "Cannot query timezone list: %m");
418b9be5
LP		 391
392 print_welcome();
393
ecada8f2
ZJS		 394 r = prompt_loop("Please enter timezone name or number",
395 zones, 30, timezone_is_valid_log_error, &arg_timezone);
418b9be5
LP		 396 if (r < 0)
397 return r;
398
399 return 0;
400}
401
402static int process_timezone(void) {
403 const char *etc_localtime, *e;
404 int r;
405
1d13f648 406 etc_localtime = prefix_roota(arg_root, "/etc/localtime");
b3cd687d 407 if (laccess(etc_localtime, F_OK) >= 0)
418b9be5
LP		 408 return 0;
409
410 if (arg_copy_timezone && arg_root) {
411 _cleanup_free_ char *p = NULL;
412
413 r = readlink_malloc("/etc/localtime", &p);
414 if (r != -ENOENT) {
23bbb0de
MS		 415 if (r < 0)
416 return log_error_errno(r, "Failed to read host timezone: %m");
418b9be5 417
22e596d6 418 (void) mkdir_parents(etc_localtime, 0755);
4a62c710
MS		 419 if (symlink(p, etc_localtime) < 0)
420 return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime);
418b9be5
LP		 421
422 log_info("%s copied.", etc_localtime);
423 return 0;
424 }
425 }
426
427 r = prompt_timezone();
428 if (r < 0)
429 return r;
430
431 if (isempty(arg_timezone))
432 return 0;
433
63c372cb 434 e = strjoina("../usr/share/zoneinfo/", arg_timezone);
418b9be5 435
22e596d6 436 (void) mkdir_parents(etc_localtime, 0755);
4a62c710
MS		 437 if (symlink(e, etc_localtime) < 0)
438 return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime);
418b9be5
LP		 439
440 log_info("%s written", etc_localtime);
441 return 0;
442}
443
444static int prompt_hostname(void) {
445 int r;
446
447 if (arg_hostname)
448 return 0;
449
450 if (!arg_prompt_hostname)
451 return 0;
452
453 print_welcome();
454 putchar('\n');
455
456 for (;;) {
457 _cleanup_free_ char *h = NULL;
458
9a6f746f 459 r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET));
23bbb0de
MS		 460 if (r < 0)
461 return log_error_errno(r, "Failed to query hostname: %m");
418b9be5
LP		 462
463 if (isempty(h)) {
464 log_warning("No hostname entered, skipping.");
465 break;
466 }
467
34ad6090 468 if (!hostname_is_valid(h, true)) {
418b9be5
LP		 469 log_error("Specified hostname invalid.");
470 continue;
471 }
472
34ad6090 473 /* Get rid of the trailing dot that we allow, but don't want to see */
ae691c1d 474 arg_hostname = hostname_cleanup(h);
418b9be5
LP		 475 h = NULL;
476 break;
477 }
478
479 return 0;
480}
481
482static int process_hostname(void) {
483 const char *etc_hostname;
484 int r;
485
1d13f648 486 etc_hostname = prefix_roota(arg_root, "/etc/hostname");
b3cd687d 487 if (laccess(etc_hostname, F_OK) >= 0)
418b9be5
LP		 488 return 0;
489
490 r = prompt_hostname();
491 if (r < 0)
492 return r;
493
494 if (isempty(arg_hostname))
495 return 0;
496
0675e94a 497 r = write_string_file(etc_hostname, arg_hostname,
e82e549f 498 WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755);
23bbb0de
MS		 499 if (r < 0)
500 return log_error_errno(r, "Failed to write %s: %m", etc_hostname);
418b9be5
LP		 501
502 log_info("%s written.", etc_hostname);
503 return 0;
504}
505
506static int process_machine_id(void) {
507 const char *etc_machine_id;
508 char id[SD_ID128_STRING_MAX];
509 int r;
510
1d13f648 511 etc_machine_id = prefix_roota(arg_root, "/etc/machine-id");
b3cd687d 512 if (laccess(etc_machine_id, F_OK) >= 0)
418b9be5
LP		 513 return 0;
514
3bbaff3e 515 if (sd_id128_is_null(arg_machine_id))
418b9be5
LP		 516 return 0;
517
0675e94a 518 r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id),
e82e549f 519 WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755);
23bbb0de
MS		 520 if (r < 0)
521 return log_error_errno(r, "Failed to write machine id: %m");
418b9be5
LP		 522
523 log_info("%s written.", etc_machine_id);
524 return 0;
525}
526
527static int prompt_root_password(void) {
528 const char *msg1, *msg2, *etc_shadow;
529 int r;
530
531 if (arg_root_password)
532 return 0;
533
534 if (!arg_prompt_root_password)
535 return 0;
536
1d13f648 537 etc_shadow = prefix_roota(arg_root, "/etc/shadow");
b3cd687d 538 if (laccess(etc_shadow, F_OK) >= 0)
418b9be5
LP		 539 return 0;
540
541 print_welcome();
542 putchar('\n');
543
3619634c
LP		 544 msg1 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip):");
545 msg2 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter new root password again:");
418b9be5
LP		 546
547 for (;;) {
c7b7d74e 548 _cleanup_strv_free_erase_ char **a = NULL, **b = NULL;
418b9be5 549
daa55720 550 r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a);
23bbb0de
MS		 551 if (r < 0)
552 return log_error_errno(r, "Failed to query root password: %m");
39e96f84
ZJS		 553 if (strv_length(a) != 1)
554 return log_error_errno(SYNTHETIC_ERRNO(EIO),
555 "Received multiple passwords, where we expected one.");
418b9be5 556
c7b7d74e 557 if (isempty(*a)) {
418b9be5
LP		 558 log_warning("No password entered, skipping.");
559 break;
560 }
561
daa55720 562 r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b);
ab84f5b9 563 if (r < 0)
00843602 564 return log_error_errno(r, "Failed to query root password: %m");
39e96f84
ZJS		 565 if (strv_length(b) != 1)
566 return log_error_errno(SYNTHETIC_ERRNO(EIO),
567 "Received multiple passwords, where we expected one.");
418b9be5 568
c7b7d74e 569 if (!streq(*a, *b)) {
418b9be5 570 log_error("Entered passwords did not match, please try again.");
418b9be5
LP		 571 continue;
572 }
573
c7b7d74e 574 arg_root_password = TAKE_PTR(*a);
418b9be5
LP		 575 break;
576 }
577
578 return 0;
579}
580
581static int write_root_shadow(const char *path, const struct spwd *p) {
582 _cleanup_fclose_ FILE *f = NULL;
100d5f6e
FB		 583 int r;
584
418b9be5
LP		 585 assert(path);
586 assert(p);
587
3250929b
LP		 588 RUN_WITH_UMASK(0777)
589 f = fopen(path, "wex");
418b9be5
LP		 590 if (!f)
591 return -errno;
592
100d5f6e
FB		 593 r = putspent_sane(p, f);
594 if (r < 0)
595 return r;
418b9be5 596
0675e94a 597 return fflush_sync_and_check(f);
418b9be5
LP		 598}
599
600static int process_root_password(void) {
601
418b9be5
LP		 602 struct spwd item = {
603 .sp_namp = (char*) "root",
ad525df8
IS		 604 .sp_min = -1,
605 .sp_max = -1,
606 .sp_warn = -1,
418b9be5
LP		 607 .sp_inact = -1,
608 .sp_expire = -1,
609 .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
610 };
38620433 611 _cleanup_free_ char *salt = NULL;
45035609 612 _cleanup_close_ int lock = -1;
38620433 613 struct crypt_data cd = {};
418b9be5
LP		 614
615 const char *etc_shadow;
616 int r;
617
1d13f648 618 etc_shadow = prefix_roota(arg_root, "/etc/shadow");
b3cd687d 619 if (laccess(etc_shadow, F_OK) >= 0)
418b9be5
LP		 620 return 0;
621
22e596d6 622 (void) mkdir_parents(etc_shadow, 0755);
45035609 623
e929bee0 624 lock = take_etc_passwd_lock(arg_root);
45035609 625 if (lock < 0)
db260eed 626 return log_error_errno(lock, "Failed to take a lock: %m");
45035609 627
418b9be5
LP		 628 if (arg_copy_root_password && arg_root) {
629 struct spwd *p;
630
631 errno = 0;
632 p = getspnam("root");
633 if (p || errno != ENOENT) {
634 if (!p) {
635 if (!errno)
636 errno = EIO;
637
e1427b13 638 return log_error_errno(errno, "Failed to find shadow entry for root: %m");
418b9be5
LP		 639 }
640
641 r = write_root_shadow(etc_shadow, p);
23bbb0de
MS		 642 if (r < 0)
643 return log_error_errno(r, "Failed to write %s: %m", etc_shadow);
418b9be5
LP		 644
645 log_info("%s copied.", etc_shadow);
646 return 0;
647 }
648 }
649
650 r = prompt_root_password();
651 if (r < 0)
652 return r;
653
654 if (!arg_root_password)
655 return 0;
656
38620433 657 r = make_salt(&salt);
23bbb0de
MS		 658 if (r < 0)
659 return log_error_errno(r, "Failed to get salt: %m");
418b9be5 660
418b9be5 661 errno = 0;
38620433
LP		 662 item.sp_pwdp = crypt_r(arg_root_password, salt, &cd);
663 if (!item.sp_pwdp)
664 return log_error_errno(errno == 0 ? SYNTHETIC_ERRNO(EINVAL) : errno,
665 "Failed to encrypt password: %m");
418b9be5
LP		 666
667 item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
668
669 r = write_root_shadow(etc_shadow, &item);
23bbb0de
MS		 670 if (r < 0)
671 return log_error_errno(r, "Failed to write %s: %m", etc_shadow);
418b9be5
LP		 672
673 log_info("%s written.", etc_shadow);
674 return 0;
675}
676
37ec0fdd
LP		 677static int help(void) {
678 _cleanup_free_ char *link = NULL;
679 int r;
680
681 r = terminal_urlify_man("systemd-firstboot", "1", &link);
682 if (r < 0)
683 return log_oom();
684
418b9be5
LP		 685 printf("%s [OPTIONS...]\n\n"
686 "Configures basic settings of the system.\n\n"
687 " -h --help Show this help\n"
688 " --version Show package version\n"
689 " --root=PATH Operate on an alternate filesystem root\n"
690 " --locale=LOCALE Set primary locale (LANG=)\n"
691 " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n"
ed457f13 692 " --keymap=KEYMAP Set keymap\n"
418b9be5 693 " --timezone=TIMEZONE Set timezone\n"
38b38500 694 " --hostname=NAME Set hostname\n"
418b9be5
LP		 695 " --machine-ID=ID Set machine ID\n"
696 " --root-password=PASSWORD Set root password\n"
697 " --root-password-file=FILE Set root password from file\n"
698 " --prompt-locale Prompt the user for locale settings\n"
ed457f13 699 " --prompt-keymap Prompt the user for keymap settings\n"
418b9be5
LP		 700 " --prompt-timezone Prompt the user for timezone\n"
701 " --prompt-hostname Prompt the user for hostname\n"
702 " --prompt-root-password Prompt the user for root password\n"
b57b0625 703 " --prompt Prompt for all of the above\n"
418b9be5 704 " --copy-locale Copy locale from host\n"
ed457f13 705 " --copy-keymap Copy keymap from host\n"
418b9be5
LP		 706 " --copy-timezone Copy timezone from host\n"
707 " --copy-root-password Copy root password from host\n"
ed457f13 708 " --copy Copy locale, keymap, timezone, root password\n"
601185b4 709 " --setup-machine-id Generate a new random machine ID\n"
37ec0fdd
LP		 710 "\nSee the %s for details.\n"
711 , program_invocation_short_name
712 , link
713 );
714
715 return 0;
418b9be5
LP		 716}
717
718static int parse_argv(int argc, char *argv[]) {
719
720 enum {
721 ARG_VERSION = 0x100,
722 ARG_ROOT,
723 ARG_LOCALE,
724 ARG_LOCALE_MESSAGES,
ed457f13 725 ARG_KEYMAP,
418b9be5
LP		 726 ARG_TIMEZONE,
727 ARG_HOSTNAME,
728 ARG_MACHINE_ID,
729 ARG_ROOT_PASSWORD,
730 ARG_ROOT_PASSWORD_FILE,
731 ARG_PROMPT,
732 ARG_PROMPT_LOCALE,
ed457f13 733 ARG_PROMPT_KEYMAP,
418b9be5
LP		 734 ARG_PROMPT_TIMEZONE,
735 ARG_PROMPT_HOSTNAME,
736 ARG_PROMPT_ROOT_PASSWORD,
737 ARG_COPY,
738 ARG_COPY_LOCALE,
ed457f13 739 ARG_COPY_KEYMAP,
418b9be5
LP		 740 ARG_COPY_TIMEZONE,
741 ARG_COPY_ROOT_PASSWORD,
742 ARG_SETUP_MACHINE_ID,
743 };
744
745 static const struct option options[] = {
746 { "help", no_argument, NULL, 'h' },
747 { "version", no_argument, NULL, ARG_VERSION },
748 { "root", required_argument, NULL, ARG_ROOT },
749 { "locale", required_argument, NULL, ARG_LOCALE },
750 { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
ed457f13 751 { "keymap", required_argument, NULL, ARG_KEYMAP },
418b9be5
LP		 752 { "timezone", required_argument, NULL, ARG_TIMEZONE },
753 { "hostname", required_argument, NULL, ARG_HOSTNAME },
754 { "machine-id", required_argument, NULL, ARG_MACHINE_ID },
755 { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD },
756 { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE },
757 { "prompt", no_argument, NULL, ARG_PROMPT },
758 { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
ed457f13 759 { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP },
418b9be5
LP		 760 { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE },
761 { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME },
762 { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD },
763 { "copy", no_argument, NULL, ARG_COPY },
764 { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
ed457f13 765 { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP },
418b9be5
LP		 766 { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
767 { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
768 { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
769 {}
770 };
771
772 int r, c;
773
774 assert(argc >= 0);
775 assert(argv);
776
601185b4 777 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
418b9be5
LP		 778
779 switch (c) {
780
781 case 'h':
37ec0fdd 782 return help();
418b9be5
LP		 783
784 case ARG_VERSION:
3f6fd1ba 785 return version();
418b9be5
LP		 786
787 case ARG_ROOT:
0f03c2a4 788 r = parse_path_argument_and_warn(optarg, true, &arg_root);
0f474365 789 if (r < 0)
0f03c2a4 790 return r;
418b9be5
LP		 791 break;
792
793 case ARG_LOCALE:
baaa35ad
ZJS		 794 if (!locale_is_valid(optarg))
795 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
796 "Locale %s is not valid.", optarg);
418b9be5 797
2fc09a9c
DM		 798 r = free_and_strdup(&arg_locale, optarg);
799 if (r < 0)
418b9be5
LP		 800 return log_oom();
801
802 break;
803
804 case ARG_LOCALE_MESSAGES:
baaa35ad
ZJS		 805 if (!locale_is_valid(optarg))
806 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
807 "Locale %s is not valid.", optarg);
418b9be5 808
2fc09a9c
DM		 809 r = free_and_strdup(&arg_locale_messages, optarg);
810 if (r < 0)
418b9be5
LP		 811 return log_oom();
812
813 break;
814
ed457f13 815 case ARG_KEYMAP:
baaa35ad
ZJS		 816 if (!keymap_is_valid(optarg))
817 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
818 "Keymap %s is not valid.", optarg);
ed457f13
TB		 819
820 r = free_and_strdup(&arg_keymap, optarg);
821 if (r < 0)
822 return log_oom();
823
824 break;
825
418b9be5 826 case ARG_TIMEZONE:
baaa35ad
ZJS		 827 if (!timezone_is_valid(optarg, LOG_ERR))
828 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
829 "Timezone %s is not valid.", optarg);
418b9be5 830
2fc09a9c
DM		 831 r = free_and_strdup(&arg_timezone, optarg);
832 if (r < 0)
418b9be5
LP		 833 return log_oom();
834
835 break;
836
837 case ARG_ROOT_PASSWORD:
2fc09a9c
DM		 838 r = free_and_strdup(&arg_root_password, optarg);
839 if (r < 0)
418b9be5 840 return log_oom();
418b9be5
LP		 841 break;
842
843 case ARG_ROOT_PASSWORD_FILE:
0da16248 844 arg_root_password = mfree(arg_root_password);
418b9be5
LP		 845
846 r = read_one_line_file(optarg, &arg_root_password);
23bbb0de
MS		 847 if (r < 0)
848 return log_error_errno(r, "Failed to read %s: %m", optarg);
418b9be5
LP		 849
850 break;
851
852 case ARG_HOSTNAME:
baaa35ad
ZJS		 853 if (!hostname_is_valid(optarg, true))
854 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
855 "Host name %s is not valid.", optarg);
418b9be5 856
ae691c1d 857 hostname_cleanup(optarg);
2fc09a9c
DM		 858 r = free_and_strdup(&arg_hostname, optarg);
859 if (r < 0)
418b9be5
LP		 860 return log_oom();
861
862 break;
863
864 case ARG_MACHINE_ID:
baaa35ad
ZJS		 865 if (sd_id128_from_string(optarg, &arg_machine_id) < 0)
866 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
867 "Failed to parse machine id %s.", optarg);
418b9be5
LP		 868
869 break;
870
871 case ARG_PROMPT:
ed457f13 872 arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true;
418b9be5
LP		 873 break;
874
875 case ARG_PROMPT_LOCALE:
876 arg_prompt_locale = true;
877 break;
878
ed457f13
TB		 879 case ARG_PROMPT_KEYMAP:
880 arg_prompt_keymap = true;
881 break;
882
418b9be5
LP		 883 case ARG_PROMPT_TIMEZONE:
884 arg_prompt_timezone = true;
885 break;
886
887 case ARG_PROMPT_HOSTNAME:
888 arg_prompt_hostname = true;
889 break;
890
891 case ARG_PROMPT_ROOT_PASSWORD:
892 arg_prompt_root_password = true;
893 break;
894
895 case ARG_COPY:
ed457f13 896 arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true;
e926f647 897 break;
418b9be5
LP		 898
899 case ARG_COPY_LOCALE:
900 arg_copy_locale = true;
901 break;
902
ed457f13
TB		 903 case ARG_COPY_KEYMAP:
904 arg_copy_keymap = true;
905 break;
906
418b9be5
LP		 907 case ARG_COPY_TIMEZONE:
908 arg_copy_timezone = true;
909 break;
910
911 case ARG_COPY_ROOT_PASSWORD:
912 arg_copy_root_password = true;
913 break;
914
915 case ARG_SETUP_MACHINE_ID:
916
917 r = sd_id128_randomize(&arg_machine_id);
23bbb0de
MS		 918 if (r < 0)
919 return log_error_errno(r, "Failed to generate randomized machine ID: %m");
418b9be5
LP		 920
921 break;
922
923 case '?':
924 return -EINVAL;
925
926 default:
927 assert_not_reached("Unhandled option");
928 }
418b9be5
LP		 929
930 return 1;
931}
932
45f39418 933static int run(int argc, char *argv[]) {
1d84ad94 934 bool enabled;
418b9be5
LP		 935 int r;
936
937 r = parse_argv(argc, argv);
938 if (r <= 0)
45f39418 939 return r;
418b9be5 940
6bf3c61c 941 log_setup_service();
418b9be5
LP		 942
943 umask(0022);
944
1d84ad94 945 r = proc_cmdline_get_bool("systemd.firstboot", &enabled);
45f39418
YW		 946 if (r < 0)
947 return log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring: %m");
948 if (r > 0 && !enabled)
949 return 0; /* disabled */
f582cbca 950
418b9be5
LP		 951 r = process_locale();
952 if (r < 0)
45f39418 953 return r;
418b9be5 954
ed457f13
TB		 955 r = process_keymap();
956 if (r < 0)
45f39418 957 return r;
ed457f13 958
418b9be5
LP		 959 r = process_timezone();
960 if (r < 0)
45f39418 961 return r;
418b9be5
LP		 962
963 r = process_hostname();
964 if (r < 0)
45f39418 965 return r;
418b9be5
LP		 966
967 r = process_machine_id();
968 if (r < 0)
45f39418 969 return r;
418b9be5
LP		 970
971 r = process_root_password();
972 if (r < 0)
45f39418
YW		 973 return r;
974
975 return 0;
418b9be5 976}
45f39418
YW		 977
978DEFINE_MAIN_FUNCTION(run);
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