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pwquality: fix quality_check_password return value
[thirdparty/systemd.git] / src / firstboot / firstboot.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <fcntl.h>
4 #include <getopt.h>
5 #include <linux/loop.h>
6 #include <unistd.h>
7
8 #include "sd-id128.h"
9
10 #include "alloc-util.h"
11 #include "ask-password-api.h"
12 #include "build.h"
13 #include "bus-error.h"
14 #include "bus-locator.h"
15 #include "bus-util.h"
16 #include "bus-wait-for-jobs.h"
17 #include "chase.h"
18 #include "copy.h"
19 #include "creds-util.h"
20 #include "dissect-image.h"
21 #include "env-file.h"
22 #include "errno-util.h"
23 #include "fd-util.h"
24 #include "fileio.h"
25 #include "fs-util.h"
26 #include "glyph-util.h"
27 #include "hostname-util.h"
28 #include "kbd-util.h"
29 #include "libcrypt-util.h"
30 #include "locale-util.h"
31 #include "lock-util.h"
32 #include "main-func.h"
33 #include "memory-util.h"
34 #include "mkdir.h"
35 #include "mount-util.h"
36 #include "os-util.h"
37 #include "parse-argument.h"
38 #include "parse-util.h"
39 #include "path-util.h"
40 #include "pretty-print.h"
41 #include "proc-cmdline.h"
42 #include "pwquality-util.h"
43 #include "random-util.h"
44 #include "smack-util.h"
45 #include "string-util.h"
46 #include "strv.h"
47 #include "terminal-util.h"
48 #include "time-util.h"
49 #include "tmpfile-util-label.h"
50 #include "tmpfile-util.h"
51 #include "umask-util.h"
52 #include "user-util.h"
53
54 static char *arg_root = NULL;
55 static char *arg_image = NULL;
56 static char *arg_locale = NULL; /* $LANG */
57 static char *arg_locale_messages = NULL; /* $LC_MESSAGES */
58 static char *arg_keymap = NULL;
59 static char *arg_timezone = NULL;
60 static char *arg_hostname = NULL;
61 static sd_id128_t arg_machine_id = {};
62 static char *arg_root_password = NULL;
63 static char *arg_root_shell = NULL;
64 static char *arg_kernel_cmdline = NULL;
65 static bool arg_prompt_locale = false;
66 static bool arg_prompt_keymap = false;
67 static bool arg_prompt_timezone = false;
68 static bool arg_prompt_hostname = false;
69 static bool arg_prompt_root_password = false;
70 static bool arg_prompt_root_shell = false;
71 static bool arg_copy_locale = false;
72 static bool arg_copy_keymap = false;
73 static bool arg_copy_timezone = false;
74 static bool arg_copy_root_password = false;
75 static bool arg_copy_root_shell = false;
76 static bool arg_force = false;
77 static bool arg_delete_root_password = false;
78 static bool arg_root_password_is_hashed = false;
79 static bool arg_welcome = true;
80 static bool arg_reset = false;
81 static ImagePolicy *arg_image_policy = NULL;
82
83 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
84 STATIC_DESTRUCTOR_REGISTER(arg_image, freep);
85 STATIC_DESTRUCTOR_REGISTER(arg_locale, freep);
86 STATIC_DESTRUCTOR_REGISTER(arg_locale_messages, freep);
87 STATIC_DESTRUCTOR_REGISTER(arg_keymap, freep);
88 STATIC_DESTRUCTOR_REGISTER(arg_timezone, freep);
89 STATIC_DESTRUCTOR_REGISTER(arg_hostname, freep);
90 STATIC_DESTRUCTOR_REGISTER(arg_root_password, erase_and_freep);
91 STATIC_DESTRUCTOR_REGISTER(arg_image_policy, image_policy_freep);
92
93 static bool press_any_key(void) {
94 char k = 0;
95 bool need_nl = true;
96
97 printf("-- Press any key to proceed --");
98 fflush(stdout);
99
100 (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl);
101
102 if (need_nl)
103 putchar('\n');
104
105 return k != 'q';
106 }
107
108 static void print_welcome(int rfd) {
109 _cleanup_free_ char *pretty_name = NULL, *os_name = NULL, *ansi_color = NULL;
110 static bool done = false;
111 const char *pn, *ac;
112 int r;
113
114 assert(rfd >= 0);
115
116 if (!arg_welcome)
117 return;
118
119 if (done)
120 return;
121
122 r = parse_os_release_at(rfd,
123 "PRETTY_NAME", &pretty_name,
124 "NAME", &os_name,
125 "ANSI_COLOR", &ansi_color);
126 if (r < 0)
127 log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r,
128 "Failed to read os-release file, ignoring: %m");
129
130 pn = os_release_pretty_name(pretty_name, os_name);
131 ac = isempty(ansi_color) ? "0" : ansi_color;
132
133 if (colors_enabled())
134 printf("\nWelcome to your new installation of \x1B[%sm%s\x1B[0m!\n", ac, pn);
135 else
136 printf("\nWelcome to your new installation of %s!\n", pn);
137
138 printf("\nPlease configure your system!\n\n");
139
140 press_any_key();
141
142 done = true;
143 }
144
145 static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) {
146 unsigned break_lines, break_modulo;
147 size_t n, per_column, i, j;
148
149 assert(n_columns > 0);
150
151 n = strv_length(x);
152 per_column = DIV_ROUND_UP(n, n_columns);
153
154 break_lines = lines();
155 if (break_lines > 2)
156 break_lines--;
157
158 /* The first page gets two extra lines, since we want to show
159 * a title */
160 break_modulo = break_lines;
161 if (break_modulo > 3)
162 break_modulo -= 3;
163
164 for (i = 0; i < per_column; i++) {
165
166 for (j = 0; j < n_columns; j ++) {
167 _cleanup_free_ char *e = NULL;
168
169 if (j * per_column + i >= n)
170 break;
171
172 e = ellipsize(x[j * per_column + i], width, percentage);
173 if (!e)
174 return log_oom();
175
176 printf("%4zu) %-*s", j * per_column + i + 1, (int) width, e);
177 }
178
179 putchar('\n');
180
181 /* on the first screen we reserve 2 extra lines for the title */
182 if (i % break_lines == break_modulo) {
183 if (!press_any_key())
184 return 0;
185 }
186 }
187
188 return 0;
189 }
190
191 static int prompt_loop(const char *text, char **l, unsigned percentage, bool (*is_valid)(const char *name), char **ret) {
192 int r;
193
194 assert(text);
195 assert(is_valid);
196 assert(ret);
197
198 for (;;) {
199 _cleanup_free_ char *p = NULL;
200 unsigned u;
201
202 r = ask_string(&p, "%s %s (empty to skip, \"list\" to list options): ",
203 special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), text);
204 if (r < 0)
205 return log_error_errno(r, "Failed to query user: %m");
206
207 if (isempty(p)) {
208 log_warning("No data entered, skipping.");
209 return 0;
210 }
211
212 if (streq(p, "list")) {
213 r = show_menu(l, 3, 22, percentage);
214 if (r < 0)
215 return r;
216
217 putchar('\n');
218 continue;
219 };
220
221 r = safe_atou(p, &u);
222 if (r >= 0) {
223 if (u <= 0 || u > strv_length(l)) {
224 log_error("Specified entry number out of range.");
225 continue;
226 }
227
228 log_info("Selected '%s'.", l[u-1]);
229 return free_and_strdup_warn(ret, l[u-1]);
230 }
231
232 if (!is_valid(p)) {
233 log_error("Entered data invalid.");
234 continue;
235 }
236
237 return free_and_replace(*ret, p);
238 }
239 }
240
241 static int should_configure(int dir_fd, const char *filename) {
242 _cleanup_fclose_ FILE *passwd = NULL, *shadow = NULL;
243 int r;
244
245 assert(dir_fd >= 0);
246 assert(filename);
247
248 if (streq(filename, "passwd") && !arg_force)
249 /* We may need to do additional checks, so open the file. */
250 r = xfopenat(dir_fd, filename, "re", O_NOFOLLOW, &passwd);
251 else
252 r = RET_NERRNO(faccessat(dir_fd, filename, F_OK, AT_SYMLINK_NOFOLLOW));
253
254 if (r == -ENOENT)
255 return true; /* missing */
256 if (r < 0)
257 return log_error_errno(r, "Failed to access %s: %m", filename);
258 if (arg_force)
259 return true; /* exists, but if --force was given we should still configure the file. */
260
261 if (!passwd)
262 return false;
263
264 /* In case of /etc/passwd, do an additional check for the root password field.
265 * We first check that passwd redirects to shadow, and then we check shadow.
266 */
267 struct passwd *i;
268 while ((r = fgetpwent_sane(passwd, &i)) > 0) {
269 if (!streq(i->pw_name, "root"))
270 continue;
271
272 if (streq_ptr(i->pw_passwd, PASSWORD_SEE_SHADOW))
273 break;
274 log_debug("passwd: root account with non-shadow password found, treating root as configured");
275 return false;
276 }
277 if (r < 0)
278 return log_error_errno(r, "Failed to read %s: %m", filename);
279 if (r == 0) {
280 log_debug("No root account found in %s, assuming root is not configured.", filename);
281 return true;
282 }
283
284 r = xfopenat(dir_fd, "shadow", "re", O_NOFOLLOW, &shadow);
285 if (r == -ENOENT) {
286 log_debug("No shadow file found, assuming root is not configured.");
287 return true; /* missing */
288 }
289 if (r < 0)
290 return log_error_errno(r, "Failed to access shadow: %m");
291
292 struct spwd *j;
293 while ((r = fgetspent_sane(shadow, &j)) > 0) {
294 if (!streq(j->sp_namp, "root"))
295 continue;
296
297 bool unprovisioned = streq_ptr(j->sp_pwdp, PASSWORD_UNPROVISIONED);
298 log_debug("Root account found, %s.",
299 unprovisioned ? "with unprovisioned password, treating root as not configured" :
300 "treating root as configured");
301 return unprovisioned;
302 }
303 if (r < 0)
304 return log_error_errno(r, "Failed to read shadow: %m");
305 assert(r == 0);
306 log_debug("No root account found in shadow, assuming root is not configured.");
307 return true;
308 }
309
310 static bool locale_is_installed_bool(const char *name) {
311 return locale_is_installed(name) > 0;
312 }
313
314 static bool locale_is_ok(int rfd, const char *name) {
315 assert(rfd >= 0);
316
317 return dir_fd_is_root(rfd) ? locale_is_installed_bool(name) : locale_is_valid(name);
318 }
319
320 static int prompt_locale(int rfd) {
321 _cleanup_strv_free_ char **locales = NULL;
322 bool acquired_from_creds = false;
323 int r;
324
325 assert(rfd >= 0);
326
327 if (arg_locale || arg_locale_messages)
328 return 0;
329
330 r = read_credential("firstboot.locale", (void**) &arg_locale, NULL);
331 if (r < 0)
332 log_debug_errno(r, "Failed to read credential firstboot.locale, ignoring: %m");
333 else
334 acquired_from_creds = true;
335
336 r = read_credential("firstboot.locale-messages", (void**) &arg_locale_messages, NULL);
337 if (r < 0)
338 log_debug_errno(r, "Failed to read credential firstboot.locale-messages, ignoring: %m");
339 else
340 acquired_from_creds = true;
341
342 if (acquired_from_creds) {
343 log_debug("Acquired locale from credentials.");
344 return 0;
345 }
346
347 if (!arg_prompt_locale) {
348 log_debug("Prompting for locale was not requested.");
349 return 0;
350 }
351
352 r = get_locales(&locales);
353 if (r < 0)
354 return log_error_errno(r, "Cannot query locales list: %m");
355
356 if (strv_isempty(locales))
357 log_debug("No locales found, skipping locale selection.");
358 else if (strv_length(locales) == 1) {
359
360 if (streq(locales[0], SYSTEMD_DEFAULT_LOCALE))
361 log_debug("Only installed locale is default locale anyway, not setting locale explicitly.");
362 else {
363 log_debug("Only a single locale available (%s), selecting it as default.", locales[0]);
364
365 arg_locale = strdup(locales[0]);
366 if (!arg_locale)
367 return log_oom();
368
369 /* Not setting arg_locale_message here, since it defaults to LANG anyway */
370 }
371 } else {
372 bool (*is_valid)(const char *name) = dir_fd_is_root(rfd) ? locale_is_installed_bool
373 : locale_is_valid;
374
375 print_welcome(rfd);
376
377 r = prompt_loop("Please enter system locale name or number",
378 locales, 60, is_valid, &arg_locale);
379 if (r < 0)
380 return r;
381
382 if (isempty(arg_locale))
383 return 0;
384
385 r = prompt_loop("Please enter system message locale name or number",
386 locales, 60, is_valid, &arg_locale_messages);
387 if (r < 0)
388 return r;
389
390 /* Suppress the messages setting if it's the same as the main locale anyway */
391 if (streq_ptr(arg_locale, arg_locale_messages))
392 arg_locale_messages = mfree(arg_locale_messages);
393 }
394
395 return 0;
396 }
397
398 static int process_locale(int rfd) {
399 _cleanup_close_ int pfd = -EBADF;
400 _cleanup_free_ char *f = NULL;
401 char* locales[3];
402 unsigned i = 0;
403 int r;
404
405 assert(rfd >= 0);
406
407 pfd = chase_and_open_parent_at(rfd, "/etc/locale.conf",
408 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
409 &f);
410 if (pfd < 0)
411 return log_error_errno(pfd, "Failed to chase /etc/locale.conf: %m");
412
413 r = should_configure(pfd, f);
414 if (r == 0)
415 log_debug("Found /etc/locale.conf, assuming locale information has been configured.");
416 if (r <= 0)
417 return r;
418
419 r = dir_fd_is_root(rfd);
420 if (r < 0)
421 return log_error_errno(r, "Failed to check if directory file descriptor is root: %m");
422
423 if (arg_copy_locale && r == 0) {
424 r = copy_file_atomic_at(AT_FDCWD, "/etc/locale.conf", pfd, f, 0644, COPY_REFLINK);
425 if (r != -ENOENT) {
426 if (r < 0)
427 return log_error_errno(r, "Failed to copy host's /etc/locale.conf: %m");
428
429 log_info("Copied host's /etc/locale.conf.");
430 return 0;
431 }
432 }
433
434 r = prompt_locale(rfd);
435 if (r < 0)
436 return r;
437
438 if (!isempty(arg_locale))
439 locales[i++] = strjoina("LANG=", arg_locale);
440 if (!isempty(arg_locale_messages) && !streq_ptr(arg_locale_messages, arg_locale))
441 locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages);
442
443 if (i == 0)
444 return 0;
445
446 locales[i] = NULL;
447
448 r = write_env_file_at(pfd, f, locales);
449 if (r < 0)
450 return log_error_errno(r, "Failed to write /etc/locale.conf: %m");
451
452 log_info("/etc/locale.conf written.");
453 return 1;
454 }
455
456 static int prompt_keymap(int rfd) {
457 _cleanup_strv_free_ char **kmaps = NULL;
458 int r;
459
460 assert(rfd >= 0);
461
462 if (arg_keymap)
463 return 0;
464
465 r = read_credential("firstboot.keymap", (void**) &arg_keymap, NULL);
466 if (r < 0)
467 log_debug_errno(r, "Failed to read credential firstboot.keymap, ignoring: %m");
468 else {
469 log_debug("Acquired keymap from credential.");
470 return 0;
471 }
472
473 if (!arg_prompt_keymap) {
474 log_debug("Prompting for keymap was not requested.");
475 return 0;
476 }
477
478 r = get_keymaps(&kmaps);
479 if (r == -ENOENT) /* no keymaps installed */
480 return log_debug_errno(r, "No keymaps are installed.");
481 if (r < 0)
482 return log_error_errno(r, "Failed to read keymaps: %m");
483
484 print_welcome(rfd);
485
486 return prompt_loop("Please enter system keymap name or number",
487 kmaps, 60, keymap_is_valid, &arg_keymap);
488 }
489
490 static int process_keymap(int rfd) {
491 _cleanup_close_ int pfd = -EBADF;
492 _cleanup_free_ char *f = NULL;
493 char **keymap;
494 int r;
495
496 assert(rfd >= 0);
497
498 pfd = chase_and_open_parent_at(rfd, "/etc/vconsole.conf",
499 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
500 &f);
501 if (pfd < 0)
502 return log_error_errno(pfd, "Failed to chase /etc/vconsole.conf: %m");
503
504 r = should_configure(pfd, f);
505 if (r == 0)
506 log_debug("Found /etc/vconsole.conf, assuming console has been configured.");
507 if (r <= 0)
508 return r;
509
510 r = dir_fd_is_root(rfd);
511 if (r < 0)
512 return log_error_errno(r, "Failed to check if directory file descriptor is root: %m");
513
514 if (arg_copy_keymap && r == 0) {
515 r = copy_file_atomic_at(AT_FDCWD, "/etc/vconsole.conf", pfd, f, 0644, COPY_REFLINK);
516 if (r != -ENOENT) {
517 if (r < 0)
518 return log_error_errno(r, "Failed to copy host's /etc/vconsole.conf: %m");
519
520 log_info("Copied host's /etc/vconsole.conf.");
521 return 0;
522 }
523 }
524
525 r = prompt_keymap(rfd);
526 if (r == -ENOENT)
527 return 0; /* don't fail if no keymaps are installed */
528 if (r < 0)
529 return r;
530
531 if (isempty(arg_keymap))
532 return 0;
533
534 keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap));
535
536 r = write_env_file_at(pfd, f, keymap);
537 if (r < 0)
538 return log_error_errno(r, "Failed to write /etc/vconsole.conf: %m");
539
540 log_info("/etc/vconsole.conf written.");
541 return 1;
542 }
543
544 static bool timezone_is_valid_log_error(const char *name) {
545 return timezone_is_valid(name, LOG_ERR);
546 }
547
548 static int prompt_timezone(int rfd) {
549 _cleanup_strv_free_ char **zones = NULL;
550 int r;
551
552 assert(rfd >= 0);
553
554 if (arg_timezone)
555 return 0;
556
557 r = read_credential("firstboot.timezone", (void**) &arg_timezone, NULL);
558 if (r < 0)
559 log_debug_errno(r, "Failed to read credential firstboot.timezone, ignoring: %m");
560 else {
561 log_debug("Acquired timezone from credential.");
562 return 0;
563 }
564
565 if (!arg_prompt_timezone) {
566 log_debug("Prompting for timezone was not requested.");
567 return 0;
568 }
569
570 r = get_timezones(&zones);
571 if (r < 0)
572 return log_error_errno(r, "Cannot query timezone list: %m");
573
574 print_welcome(rfd);
575
576 r = prompt_loop("Please enter timezone name or number",
577 zones, 30, timezone_is_valid_log_error, &arg_timezone);
578 if (r < 0)
579 return r;
580
581 return 0;
582 }
583
584 static int process_timezone(int rfd) {
585 _cleanup_close_ int pfd = -EBADF;
586 _cleanup_free_ char *f = NULL;
587 const char *e;
588 int r;
589
590 assert(rfd >= 0);
591
592 pfd = chase_and_open_parent_at(rfd, "/etc/localtime",
593 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
594 &f);
595 if (pfd < 0)
596 return log_error_errno(pfd, "Failed to chase /etc/localtime: %m");
597
598 r = should_configure(pfd, f);
599 if (r == 0)
600 log_debug("Found /etc/localtime, assuming timezone has been configured.");
601 if (r <= 0)
602 return r;
603
604 r = dir_fd_is_root(rfd);
605 if (r < 0)
606 return log_error_errno(r, "Failed to check if directory file descriptor is root: %m");
607
608 if (arg_copy_timezone && r == 0) {
609 _cleanup_free_ char *s = NULL;
610
611 r = readlink_malloc("/etc/localtime", &s);
612 if (r != -ENOENT) {
613 if (r < 0)
614 return log_error_errno(r, "Failed to read host's /etc/localtime: %m");
615
616 r = symlinkat_atomic_full(s, pfd, f, /* make_relative= */ false);
617 if (r < 0)
618 return log_error_errno(r, "Failed to create /etc/localtime symlink: %m");
619
620 log_info("Copied host's /etc/localtime.");
621 return 0;
622 }
623 }
624
625 r = prompt_timezone(rfd);
626 if (r < 0)
627 return r;
628
629 if (isempty(arg_timezone))
630 return 0;
631
632 e = strjoina("../usr/share/zoneinfo/", arg_timezone);
633
634 r = symlinkat_atomic_full(e, pfd, f, /* make_relative= */ false);
635 if (r < 0)
636 return log_error_errno(r, "Failed to create /etc/localtime symlink: %m");
637
638 log_info("/etc/localtime written");
639 return 0;
640 }
641
642 static int prompt_hostname(int rfd) {
643 int r;
644
645 assert(rfd >= 0);
646
647 if (arg_hostname)
648 return 0;
649
650 if (!arg_prompt_hostname) {
651 log_debug("Prompting for hostname was not requested.");
652 return 0;
653 }
654
655 print_welcome(rfd);
656 putchar('\n');
657
658 for (;;) {
659 _cleanup_free_ char *h = NULL;
660
661 r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET));
662 if (r < 0)
663 return log_error_errno(r, "Failed to query hostname: %m");
664
665 if (isempty(h)) {
666 log_warning("No hostname entered, skipping.");
667 break;
668 }
669
670 if (!hostname_is_valid(h, VALID_HOSTNAME_TRAILING_DOT)) {
671 log_error("Specified hostname invalid.");
672 continue;
673 }
674
675 /* Get rid of the trailing dot that we allow, but don't want to see */
676 arg_hostname = hostname_cleanup(h);
677 h = NULL;
678 break;
679 }
680
681 return 0;
682 }
683
684 static int process_hostname(int rfd) {
685 _cleanup_close_ int pfd = -EBADF;
686 _cleanup_free_ char *f = NULL;
687 int r;
688
689 assert(rfd >= 0);
690
691 pfd = chase_and_open_parent_at(rfd, "/etc/hostname",
692 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN,
693 &f);
694 if (pfd < 0)
695 return log_error_errno(pfd, "Failed to chase /etc/hostname: %m");
696
697 r = should_configure(pfd, f);
698 if (r == 0)
699 log_debug("Found /etc/hostname, assuming hostname has been configured.");
700 if (r <= 0)
701 return r;
702
703 r = prompt_hostname(rfd);
704 if (r < 0)
705 return r;
706
707 if (isempty(arg_hostname))
708 return 0;
709
710 r = write_string_file_at(pfd, f, arg_hostname,
711 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
712 if (r < 0)
713 return log_error_errno(r, "Failed to write /etc/hostname: %m");
714
715 log_info("/etc/hostname written.");
716 return 0;
717 }
718
719 static int process_machine_id(int rfd) {
720 _cleanup_close_ int pfd = -EBADF;
721 _cleanup_free_ char *f = NULL;
722 int r;
723
724 assert(rfd >= 0);
725
726 pfd = chase_and_open_parent_at(rfd, "/etc/machine-id",
727 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
728 &f);
729 if (pfd < 0)
730 return log_error_errno(pfd, "Failed to chase /etc/machine-id: %m");
731
732 r = should_configure(pfd, f);
733 if (r == 0)
734 log_debug("Found /etc/machine-id, assuming machine-id has been configured.");
735 if (r <= 0)
736 return r;
737
738 if (sd_id128_is_null(arg_machine_id)) {
739 log_debug("Initialization of machine-id was not requested, skipping.");
740 return 0;
741 }
742
743 r = write_string_file_at(pfd, "machine-id", SD_ID128_TO_STRING(arg_machine_id),
744 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
745 if (r < 0)
746 return log_error_errno(r, "Failed to write /etc/machine-id: %m");
747
748 log_info("/etc/machine-id written.");
749 return 0;
750 }
751
752 static int prompt_root_password(int rfd) {
753 const char *msg1, *msg2;
754 int r;
755
756 assert(rfd >= 0);
757
758 if (arg_root_password)
759 return 0;
760
761 if (get_credential_user_password("root", &arg_root_password, &arg_root_password_is_hashed) >= 0)
762 return 0;
763
764 if (!arg_prompt_root_password) {
765 log_debug("Prompting for root password was not requested.");
766 return 0;
767 }
768
769 print_welcome(rfd);
770 putchar('\n');
771
772 msg1 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip):");
773 msg2 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter new root password again:");
774
775 suggest_passwords();
776
777 for (;;) {
778 _cleanup_strv_free_erase_ char **a = NULL, **b = NULL;
779 _cleanup_free_ char *error = NULL;
780
781 r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a);
782 if (r < 0)
783 return log_error_errno(r, "Failed to query root password: %m");
784 if (strv_length(a) != 1)
785 return log_error_errno(SYNTHETIC_ERRNO(EIO),
786 "Received multiple passwords, where we expected one.");
787
788 if (isempty(*a)) {
789 log_warning("No password entered, skipping.");
790 break;
791 }
792
793 r = quality_check_password(*a, "root", &error);
794 if (r < 0) {
795 if (ERRNO_IS_NOT_SUPPORTED(r))
796 log_warning("Password quality check is not supported, proceeding anyway.");
797 else
798 return log_error_errno(r, "Failed to check password quality: %m");
799 }
800 if (r == 0)
801 log_warning("Password is weak, accepting anyway: %s", error);
802
803 r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b);
804 if (r < 0)
805 return log_error_errno(r, "Failed to query root password: %m");
806 if (strv_length(b) != 1)
807 return log_error_errno(SYNTHETIC_ERRNO(EIO),
808 "Received multiple passwords, where we expected one.");
809
810 if (!streq(*a, *b)) {
811 log_error("Entered passwords did not match, please try again.");
812 continue;
813 }
814
815 arg_root_password = TAKE_PTR(*a);
816 break;
817 }
818
819 return 0;
820 }
821
822 static int find_shell(int rfd, const char *path) {
823 int r;
824
825 assert(path);
826
827 if (!valid_shell(path))
828 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "%s is not a valid shell", path);
829
830 r = chaseat(rfd, path, CHASE_AT_RESOLVE_IN_ROOT, NULL, NULL);
831 if (r < 0)
832 return log_error_errno(r, "Failed to resolve shell %s: %m", path);
833
834 return 0;
835 }
836
837 static int prompt_root_shell(int rfd) {
838 int r;
839
840 assert(rfd >= 0);
841
842 if (arg_root_shell)
843 return 0;
844
845 r = read_credential("passwd.shell.root", (void**) &arg_root_shell, NULL);
846 if (r < 0)
847 log_debug_errno(r, "Failed to read credential passwd.shell.root, ignoring: %m");
848 else {
849 log_debug("Acquired root shell from credential.");
850 return 0;
851 }
852
853 if (!arg_prompt_root_shell) {
854 log_debug("Prompting for root shell was not requested.");
855 return 0;
856 }
857
858 print_welcome(rfd);
859 putchar('\n');
860
861 for (;;) {
862 _cleanup_free_ char *s = NULL;
863
864 r = ask_string(&s, "%s Please enter root shell for new system (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET));
865 if (r < 0)
866 return log_error_errno(r, "Failed to query root shell: %m");
867
868 if (isempty(s)) {
869 log_warning("No shell entered, skipping.");
870 break;
871 }
872
873 r = find_shell(rfd, s);
874 if (r < 0)
875 continue;
876
877 arg_root_shell = TAKE_PTR(s);
878 break;
879 }
880
881 return 0;
882 }
883
884 static int write_root_passwd(int rfd, int etc_fd, const char *password, const char *shell) {
885 _cleanup_fclose_ FILE *original = NULL, *passwd = NULL;
886 _cleanup_(unlink_and_freep) char *passwd_tmp = NULL;
887 int r;
888
889 assert(password);
890
891 r = fopen_temporary_at_label(etc_fd, "passwd", "passwd", &passwd, &passwd_tmp);
892 if (r < 0)
893 return r;
894
895 r = xfopenat(etc_fd, "passwd", "re", O_NOFOLLOW, &original);
896 if (r < 0 && r != -ENOENT)
897 return r;
898
899 if (original) {
900 struct passwd *i;
901
902 r = copy_rights(fileno(original), fileno(passwd));
903 if (r < 0)
904 return r;
905
906 while ((r = fgetpwent_sane(original, &i)) > 0) {
907
908 if (streq(i->pw_name, "root")) {
909 i->pw_passwd = (char *) password;
910 if (shell)
911 i->pw_shell = (char *) shell;
912 }
913
914 r = putpwent_sane(i, passwd);
915 if (r < 0)
916 return r;
917 }
918 if (r < 0)
919 return r;
920
921 } else {
922 struct passwd root = {
923 .pw_name = (char *) "root",
924 .pw_passwd = (char *) password,
925 .pw_uid = 0,
926 .pw_gid = 0,
927 .pw_gecos = (char *) "Super User",
928 .pw_dir = (char *) "/root",
929 .pw_shell = (char *) (shell ?: default_root_shell_at(rfd)),
930 };
931
932 if (errno != ENOENT)
933 return -errno;
934
935 r = fchmod(fileno(passwd), 0644);
936 if (r < 0)
937 return -errno;
938
939 r = putpwent_sane(&root, passwd);
940 if (r < 0)
941 return r;
942 }
943
944 r = fflush_sync_and_check(passwd);
945 if (r < 0)
946 return r;
947
948 r = renameat_and_apply_smack_floor_label(etc_fd, passwd_tmp, etc_fd, "passwd");
949 if (r < 0)
950 return r;
951
952 return 0;
953 }
954
955 static int write_root_shadow(int etc_fd, const char *hashed_password) {
956 _cleanup_fclose_ FILE *original = NULL, *shadow = NULL;
957 _cleanup_(unlink_and_freep) char *shadow_tmp = NULL;
958 int r;
959
960 assert(hashed_password);
961
962 r = fopen_temporary_at_label(etc_fd, "shadow", "shadow", &shadow, &shadow_tmp);
963 if (r < 0)
964 return r;
965
966 r = xfopenat(etc_fd, "shadow", "re", O_NOFOLLOW, &original);
967 if (r < 0 && r != -ENOENT)
968 return r;
969
970 if (original) {
971 struct spwd *i;
972
973 r = copy_rights(fileno(original), fileno(shadow));
974 if (r < 0)
975 return r;
976
977 while ((r = fgetspent_sane(original, &i)) > 0) {
978
979 if (streq(i->sp_namp, "root")) {
980 i->sp_pwdp = (char *) hashed_password;
981 i->sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
982 }
983
984 r = putspent_sane(i, shadow);
985 if (r < 0)
986 return r;
987 }
988 if (r < 0)
989 return r;
990
991 } else {
992 struct spwd root = {
993 .sp_namp = (char*) "root",
994 .sp_pwdp = (char *) hashed_password,
995 .sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY),
996 .sp_min = -1,
997 .sp_max = -1,
998 .sp_warn = -1,
999 .sp_inact = -1,
1000 .sp_expire = -1,
1001 .sp_flag = ULONG_MAX, /* this appears to be what everybody does ... */
1002 };
1003
1004 if (errno != ENOENT)
1005 return -errno;
1006
1007 r = fchmod(fileno(shadow), 0000);
1008 if (r < 0)
1009 return -errno;
1010
1011 r = putspent_sane(&root, shadow);
1012 if (r < 0)
1013 return r;
1014 }
1015
1016 r = fflush_sync_and_check(shadow);
1017 if (r < 0)
1018 return r;
1019
1020 r = renameat_and_apply_smack_floor_label(etc_fd, shadow_tmp, etc_fd, "shadow");
1021 if (r < 0)
1022 return r;
1023
1024 return 0;
1025 }
1026
1027 static int process_root_account(int rfd) {
1028 _cleanup_close_ int pfd = -EBADF;
1029 _cleanup_(release_lock_file) LockFile lock = LOCK_FILE_INIT;
1030 _cleanup_(erase_and_freep) char *_hashed_password = NULL;
1031 const char *password, *hashed_password;
1032 int k = 0, r;
1033
1034 assert(rfd >= 0);
1035
1036 pfd = chase_and_open_parent_at(rfd, "/etc/passwd",
1037 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
1038 NULL);
1039 if (pfd < 0)
1040 return log_error_errno(pfd, "Failed to chase /etc/passwd: %m");
1041
1042 /* Ensure that passwd and shadow are in the same directory and are not symlinks. */
1043
1044 FOREACH_STRING(s, "passwd", "shadow") {
1045 r = verify_regular_at(pfd, s, /* follow = */ false);
1046 if (IN_SET(r, -EISDIR, -ELOOP, -EBADFD))
1047 return log_error_errno(r, "/etc/%s is not a regular file", s);
1048 if (r < 0 && r != -ENOENT)
1049 return log_error_errno(r, "Failed to check whether /etc/%s is a regular file: %m", s);
1050
1051 r = should_configure(pfd, s);
1052 if (r < 0)
1053 return r;
1054
1055 k += r;
1056 }
1057
1058 if (k == 0) {
1059 log_debug("Found /etc/passwd and /etc/shadow, assuming root account has been initialized.");
1060 return 0;
1061 }
1062
1063 /* Don't create/modify passwd and shadow if not asked */
1064 if (!(arg_root_password || arg_prompt_root_password || arg_copy_root_password || arg_delete_root_password ||
1065 arg_root_shell || arg_prompt_root_shell || arg_copy_root_shell)) {
1066 log_debug("Initialization of root account was not requested, skipping.");
1067 return 0;
1068 }
1069
1070 r = make_lock_file_at(pfd, ETC_PASSWD_LOCK_FILENAME, LOCK_EX, &lock);
1071 if (r < 0)
1072 return log_error_errno(r, "Failed to take a lock on /etc/passwd: %m");
1073
1074 k = dir_fd_is_root(rfd);
1075 if (k < 0)
1076 return log_error_errno(k, "Failed to check if directory file descriptor is root: %m");
1077
1078 if (arg_copy_root_shell && k == 0) {
1079 struct passwd *p;
1080
1081 errno = 0;
1082 p = getpwnam("root");
1083 if (!p)
1084 return log_error_errno(errno_or_else(EIO), "Failed to find passwd entry for root: %m");
1085
1086 r = free_and_strdup(&arg_root_shell, p->pw_shell);
1087 if (r < 0)
1088 return log_oom();
1089 }
1090
1091 r = prompt_root_shell(rfd);
1092 if (r < 0)
1093 return r;
1094
1095 if (arg_copy_root_password && k == 0) {
1096 struct spwd *p;
1097
1098 errno = 0;
1099 p = getspnam("root");
1100 if (!p)
1101 return log_error_errno(errno_or_else(EIO), "Failed to find shadow entry for root: %m");
1102
1103 r = free_and_strdup(&arg_root_password, p->sp_pwdp);
1104 if (r < 0)
1105 return log_oom();
1106
1107 arg_root_password_is_hashed = true;
1108 }
1109
1110 r = prompt_root_password(rfd);
1111 if (r < 0)
1112 return r;
1113
1114 if (arg_root_password && arg_root_password_is_hashed) {
1115 password = PASSWORD_SEE_SHADOW;
1116 hashed_password = arg_root_password;
1117 } else if (arg_root_password) {
1118 r = hash_password(arg_root_password, &_hashed_password);
1119 if (r < 0)
1120 return log_error_errno(r, "Failed to hash password: %m");
1121
1122 password = PASSWORD_SEE_SHADOW;
1123 hashed_password = _hashed_password;
1124
1125 } else if (arg_delete_root_password)
1126 password = hashed_password = PASSWORD_NONE;
1127 else
1128 password = hashed_password = PASSWORD_LOCKED_AND_INVALID;
1129
1130 r = write_root_passwd(rfd, pfd, password, arg_root_shell);
1131 if (r < 0)
1132 return log_error_errno(r, "Failed to write /etc/passwd: %m");
1133
1134 log_info("/etc/passwd written.");
1135
1136 r = write_root_shadow(pfd, hashed_password);
1137 if (r < 0)
1138 return log_error_errno(r, "Failed to write /etc/shadow: %m");
1139
1140 log_info("/etc/shadow written.");
1141 return 0;
1142 }
1143
1144 static int process_kernel_cmdline(int rfd) {
1145 _cleanup_close_ int pfd = -EBADF;
1146 _cleanup_free_ char *f = NULL;
1147 int r;
1148
1149 assert(rfd >= 0);
1150
1151 pfd = chase_and_open_parent_at(rfd, "/etc/kernel/cmdline",
1152 CHASE_AT_RESOLVE_IN_ROOT|CHASE_MKDIR_0755|CHASE_WARN|CHASE_NOFOLLOW,
1153 &f);
1154 if (pfd < 0)
1155 return log_error_errno(pfd, "Failed to chase /etc/kernel/cmdline: %m");
1156
1157 r = should_configure(pfd, f);
1158 if (r == 0)
1159 log_debug("Found /etc/kernel/cmdline, assuming kernel command line has been configured.");
1160 if (r <= 0)
1161 return r;
1162
1163 if (!arg_kernel_cmdline) {
1164 log_debug("Creation of /etc/kernel/cmdline was not requested, skipping.");
1165 return 0;
1166 }
1167
1168 r = write_string_file_at(pfd, "cmdline", arg_kernel_cmdline,
1169 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
1170 if (r < 0)
1171 return log_error_errno(r, "Failed to write /etc/kernel/cmdline: %m");
1172
1173 log_info("/etc/kernel/cmdline written.");
1174 return 0;
1175 }
1176
1177 static int reset_one(int rfd, const char *path) {
1178 _cleanup_close_ int pfd = -EBADF;
1179 _cleanup_free_ char *f = NULL;
1180
1181 assert(rfd >= 0);
1182 assert(path);
1183
1184 pfd = chase_and_open_parent_at(rfd, path, CHASE_AT_RESOLVE_IN_ROOT|CHASE_WARN|CHASE_NOFOLLOW, &f);
1185 if (pfd == -ENOENT)
1186 return 0;
1187 if (pfd < 0)
1188 return log_error_errno(pfd, "Failed to resolve %s: %m", path);
1189
1190 if (unlinkat(pfd, f, 0) < 0)
1191 return errno == ENOENT ? 0 : log_error_errno(errno, "Failed to remove %s: %m", path);
1192
1193 log_info("Removed %s", path);
1194 return 0;
1195 }
1196
1197 static int process_reset(int rfd) {
1198 int r;
1199
1200 assert(rfd >= 0);
1201
1202 if (!arg_reset)
1203 return 0;
1204
1205 FOREACH_STRING(p,
1206 "/etc/locale.conf",
1207 "/etc/vconsole.conf",
1208 "/etc/hostname",
1209 "/etc/machine-id",
1210 "/etc/kernel/cmdline") {
1211 r = reset_one(rfd, p);
1212 if (r < 0)
1213 return r;
1214 }
1215
1216 return 0;
1217 }
1218
1219 static int help(void) {
1220 _cleanup_free_ char *link = NULL;
1221 int r;
1222
1223 r = terminal_urlify_man("systemd-firstboot", "1", &link);
1224 if (r < 0)
1225 return log_oom();
1226
1227 printf("%s [OPTIONS...]\n\n"
1228 "Configures basic settings of the system.\n\n"
1229 " -h --help Show this help\n"
1230 " --version Show package version\n"
1231 " --root=PATH Operate on an alternate filesystem root\n"
1232 " --image=PATH Operate on disk image as filesystem root\n"
1233 " --image-policy=POLICY Specify disk image dissection policy\n"
1234 " --locale=LOCALE Set primary locale (LANG=)\n"
1235 " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n"
1236 " --keymap=KEYMAP Set keymap\n"
1237 " --timezone=TIMEZONE Set timezone\n"
1238 " --hostname=NAME Set hostname\n"
1239 " --setup-machine-id Set a random machine ID\n"
1240 " --machine-ID=ID Set specified machine ID\n"
1241 " --root-password=PASSWORD Set root password from plaintext password\n"
1242 " --root-password-file=FILE Set root password from file\n"
1243 " --root-password-hashed=HASH Set root password from hashed password\n"
1244 " --root-shell=SHELL Set root shell\n"
1245 " --prompt-locale Prompt the user for locale settings\n"
1246 " --prompt-keymap Prompt the user for keymap settings\n"
1247 " --prompt-timezone Prompt the user for timezone\n"
1248 " --prompt-hostname Prompt the user for hostname\n"
1249 " --prompt-root-password Prompt the user for root password\n"
1250 " --prompt-root-shell Prompt the user for root shell\n"
1251 " --prompt Prompt for all of the above\n"
1252 " --copy-locale Copy locale from host\n"
1253 " --copy-keymap Copy keymap from host\n"
1254 " --copy-timezone Copy timezone from host\n"
1255 " --copy-root-password Copy root password from host\n"
1256 " --copy-root-shell Copy root shell from host\n"
1257 " --copy Copy locale, keymap, timezone, root password\n"
1258 " --force Overwrite existing files\n"
1259 " --delete-root-password Delete root password\n"
1260 " --welcome=no Disable the welcome text\n"
1261 " --reset Remove existing files\n"
1262 "\nSee the %s for details.\n",
1263 program_invocation_short_name,
1264 link);
1265
1266 return 0;
1267 }
1268
1269 static int parse_argv(int argc, char *argv[]) {
1270
1271 enum {
1272 ARG_VERSION = 0x100,
1273 ARG_ROOT,
1274 ARG_IMAGE,
1275 ARG_IMAGE_POLICY,
1276 ARG_LOCALE,
1277 ARG_LOCALE_MESSAGES,
1278 ARG_KEYMAP,
1279 ARG_TIMEZONE,
1280 ARG_HOSTNAME,
1281 ARG_SETUP_MACHINE_ID,
1282 ARG_MACHINE_ID,
1283 ARG_ROOT_PASSWORD,
1284 ARG_ROOT_PASSWORD_FILE,
1285 ARG_ROOT_PASSWORD_HASHED,
1286 ARG_ROOT_SHELL,
1287 ARG_KERNEL_COMMAND_LINE,
1288 ARG_PROMPT,
1289 ARG_PROMPT_LOCALE,
1290 ARG_PROMPT_KEYMAP,
1291 ARG_PROMPT_TIMEZONE,
1292 ARG_PROMPT_HOSTNAME,
1293 ARG_PROMPT_ROOT_PASSWORD,
1294 ARG_PROMPT_ROOT_SHELL,
1295 ARG_COPY,
1296 ARG_COPY_LOCALE,
1297 ARG_COPY_KEYMAP,
1298 ARG_COPY_TIMEZONE,
1299 ARG_COPY_ROOT_PASSWORD,
1300 ARG_COPY_ROOT_SHELL,
1301 ARG_FORCE,
1302 ARG_DELETE_ROOT_PASSWORD,
1303 ARG_WELCOME,
1304 ARG_RESET,
1305 };
1306
1307 static const struct option options[] = {
1308 { "help", no_argument, NULL, 'h' },
1309 { "version", no_argument, NULL, ARG_VERSION },
1310 { "root", required_argument, NULL, ARG_ROOT },
1311 { "image", required_argument, NULL, ARG_IMAGE },
1312 { "image-policy", required_argument, NULL, ARG_IMAGE_POLICY },
1313 { "locale", required_argument, NULL, ARG_LOCALE },
1314 { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
1315 { "keymap", required_argument, NULL, ARG_KEYMAP },
1316 { "timezone", required_argument, NULL, ARG_TIMEZONE },
1317 { "hostname", required_argument, NULL, ARG_HOSTNAME },
1318 { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
1319 { "machine-id", required_argument, NULL, ARG_MACHINE_ID },
1320 { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD },
1321 { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE },
1322 { "root-password-hashed", required_argument, NULL, ARG_ROOT_PASSWORD_HASHED },
1323 { "root-shell", required_argument, NULL, ARG_ROOT_SHELL },
1324 { "kernel-command-line", required_argument, NULL, ARG_KERNEL_COMMAND_LINE },
1325 { "prompt", no_argument, NULL, ARG_PROMPT },
1326 { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
1327 { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP },
1328 { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE },
1329 { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME },
1330 { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD },
1331 { "prompt-root-shell", no_argument, NULL, ARG_PROMPT_ROOT_SHELL },
1332 { "copy", no_argument, NULL, ARG_COPY },
1333 { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
1334 { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP },
1335 { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
1336 { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
1337 { "copy-root-shell", no_argument, NULL, ARG_COPY_ROOT_SHELL },
1338 { "force", no_argument, NULL, ARG_FORCE },
1339 { "delete-root-password", no_argument, NULL, ARG_DELETE_ROOT_PASSWORD },
1340 { "welcome", required_argument, NULL, ARG_WELCOME },
1341 { "reset", no_argument, NULL, ARG_RESET },
1342 {}
1343 };
1344
1345 int r, c;
1346
1347 assert(argc >= 0);
1348 assert(argv);
1349
1350 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
1351
1352 switch (c) {
1353
1354 case 'h':
1355 return help();
1356
1357 case ARG_VERSION:
1358 return version();
1359
1360 case ARG_ROOT:
1361 r = parse_path_argument(optarg, true, &arg_root);
1362 if (r < 0)
1363 return r;
1364 break;
1365
1366 case ARG_IMAGE:
1367 r = parse_path_argument(optarg, false, &arg_image);
1368 if (r < 0)
1369 return r;
1370 break;
1371
1372 case ARG_IMAGE_POLICY:
1373 r = parse_image_policy_argument(optarg, &arg_image_policy);
1374 if (r < 0)
1375 return r;
1376 break;
1377
1378 case ARG_LOCALE:
1379 r = free_and_strdup(&arg_locale, optarg);
1380 if (r < 0)
1381 return log_oom();
1382
1383 break;
1384
1385 case ARG_LOCALE_MESSAGES:
1386 r = free_and_strdup(&arg_locale_messages, optarg);
1387 if (r < 0)
1388 return log_oom();
1389
1390 break;
1391
1392 case ARG_KEYMAP:
1393 if (!keymap_is_valid(optarg))
1394 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1395 "Keymap %s is not valid.", optarg);
1396
1397 r = free_and_strdup(&arg_keymap, optarg);
1398 if (r < 0)
1399 return log_oom();
1400
1401 break;
1402
1403 case ARG_TIMEZONE:
1404 if (!timezone_is_valid(optarg, LOG_ERR))
1405 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1406 "Timezone %s is not valid.", optarg);
1407
1408 r = free_and_strdup(&arg_timezone, optarg);
1409 if (r < 0)
1410 return log_oom();
1411
1412 break;
1413
1414 case ARG_ROOT_PASSWORD:
1415 r = free_and_strdup(&arg_root_password, optarg);
1416 if (r < 0)
1417 return log_oom();
1418
1419 arg_root_password_is_hashed = false;
1420 break;
1421
1422 case ARG_ROOT_PASSWORD_FILE:
1423 arg_root_password = mfree(arg_root_password);
1424
1425 r = read_one_line_file(optarg, &arg_root_password);
1426 if (r < 0)
1427 return log_error_errno(r, "Failed to read %s: %m", optarg);
1428
1429 arg_root_password_is_hashed = false;
1430 break;
1431
1432 case ARG_ROOT_PASSWORD_HASHED:
1433 r = free_and_strdup(&arg_root_password, optarg);
1434 if (r < 0)
1435 return log_oom();
1436
1437 arg_root_password_is_hashed = true;
1438 break;
1439
1440 case ARG_ROOT_SHELL:
1441 r = free_and_strdup(&arg_root_shell, optarg);
1442 if (r < 0)
1443 return log_oom();
1444
1445 break;
1446
1447 case ARG_HOSTNAME:
1448 if (!hostname_is_valid(optarg, VALID_HOSTNAME_TRAILING_DOT))
1449 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1450 "Host name %s is not valid.", optarg);
1451
1452 r = free_and_strdup(&arg_hostname, optarg);
1453 if (r < 0)
1454 return log_oom();
1455
1456 hostname_cleanup(arg_hostname);
1457 break;
1458
1459 case ARG_SETUP_MACHINE_ID:
1460 r = sd_id128_randomize(&arg_machine_id);
1461 if (r < 0)
1462 return log_error_errno(r, "Failed to generate randomized machine ID: %m");
1463
1464 break;
1465
1466 case ARG_MACHINE_ID:
1467 r = sd_id128_from_string(optarg, &arg_machine_id);
1468 if (r < 0)
1469 return log_error_errno(r, "Failed to parse machine id %s.", optarg);
1470
1471 break;
1472
1473 case ARG_KERNEL_COMMAND_LINE:
1474 r = free_and_strdup(&arg_kernel_cmdline, optarg);
1475 if (r < 0)
1476 return log_oom();
1477
1478 break;
1479
1480 case ARG_PROMPT:
1481 arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname =
1482 arg_prompt_root_password = arg_prompt_root_shell = true;
1483 break;
1484
1485 case ARG_PROMPT_LOCALE:
1486 arg_prompt_locale = true;
1487 break;
1488
1489 case ARG_PROMPT_KEYMAP:
1490 arg_prompt_keymap = true;
1491 break;
1492
1493 case ARG_PROMPT_TIMEZONE:
1494 arg_prompt_timezone = true;
1495 break;
1496
1497 case ARG_PROMPT_HOSTNAME:
1498 arg_prompt_hostname = true;
1499 break;
1500
1501 case ARG_PROMPT_ROOT_PASSWORD:
1502 arg_prompt_root_password = true;
1503 break;
1504
1505 case ARG_PROMPT_ROOT_SHELL:
1506 arg_prompt_root_shell = true;
1507 break;
1508
1509 case ARG_COPY:
1510 arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password =
1511 arg_copy_root_shell = true;
1512 break;
1513
1514 case ARG_COPY_LOCALE:
1515 arg_copy_locale = true;
1516 break;
1517
1518 case ARG_COPY_KEYMAP:
1519 arg_copy_keymap = true;
1520 break;
1521
1522 case ARG_COPY_TIMEZONE:
1523 arg_copy_timezone = true;
1524 break;
1525
1526 case ARG_COPY_ROOT_PASSWORD:
1527 arg_copy_root_password = true;
1528 break;
1529
1530 case ARG_COPY_ROOT_SHELL:
1531 arg_copy_root_shell = true;
1532 break;
1533
1534 case ARG_FORCE:
1535 arg_force = true;
1536 break;
1537
1538 case ARG_DELETE_ROOT_PASSWORD:
1539 arg_delete_root_password = true;
1540 break;
1541
1542 case ARG_WELCOME:
1543 r = parse_boolean(optarg);
1544 if (r < 0)
1545 return log_error_errno(r, "Failed to parse --welcome= argument: %s", optarg);
1546
1547 arg_welcome = r;
1548 break;
1549
1550 case ARG_RESET:
1551 arg_reset = true;
1552 break;
1553
1554 case '?':
1555 return -EINVAL;
1556
1557 default:
1558 assert_not_reached();
1559 }
1560
1561 if (arg_delete_root_password && (arg_copy_root_password || arg_root_password || arg_prompt_root_password))
1562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1563 "--delete-root-password cannot be combined with other root password options.");
1564
1565 if (arg_image && arg_root)
1566 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1567 "--root= and --image= cannot be used together.");
1568
1569 if (!sd_id128_is_null(arg_machine_id) && !(arg_image || arg_root) && !arg_force)
1570 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1571 "--machine-id=/--setup-machine-id only works with --root= or --image=.");
1572
1573 return 1;
1574 }
1575
1576 static int reload_system_manager(sd_bus **bus) {
1577 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1578 int r;
1579
1580 assert(bus);
1581
1582 if (!*bus) {
1583 r = bus_connect_transport_systemd(BUS_TRANSPORT_LOCAL, NULL, RUNTIME_SCOPE_SYSTEM, bus);
1584 if (r < 0)
1585 return bus_log_connect_error(r, BUS_TRANSPORT_LOCAL);
1586 }
1587
1588 r = bus_call_method(*bus, bus_systemd_mgr, "Reload", &error, NULL, NULL);
1589 if (r < 0)
1590 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1591 log_info("Requested manager reload to apply locale configuration.");
1592 return 0;
1593 }
1594
1595 static int reload_vconsole(sd_bus **bus) {
1596 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1597 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1598 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
1599 const char *object;
1600 int r;
1601
1602 assert(bus);
1603
1604 if (!*bus) {
1605 r = bus_connect_transport_systemd(BUS_TRANSPORT_LOCAL, NULL, RUNTIME_SCOPE_SYSTEM, bus);
1606 if (r < 0)
1607 return bus_log_connect_error(r, BUS_TRANSPORT_LOCAL);
1608 }
1609
1610 r = bus_wait_for_jobs_new(*bus, &w);
1611 if (r < 0)
1612 return log_error_errno(r, "Could not watch jobs: %m");
1613
1614 r = bus_call_method(*bus, bus_systemd_mgr, "RestartUnit", &error, &reply,
1615 "ss", "systemd-vconsole-setup.service", "replace");
1616 if (r < 0)
1617 return log_error_errno(r, "Failed to issue method call: %s", bus_error_message(&error, r));
1618
1619 r = sd_bus_message_read(reply, "o", &object);
1620 if (r < 0)
1621 return bus_log_parse_error(r);
1622
1623 r = bus_wait_for_jobs_one(w, object, false, NULL);
1624 if (r < 0)
1625 return log_error_errno(r, "Failed to wait for systemd-vconsole-setup.service/restart: %m");
1626 return 0;
1627 }
1628
1629 static int run(int argc, char *argv[]) {
1630 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
1631 _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL;
1632 _cleanup_(umount_and_freep) char *mounted_dir = NULL;
1633 _cleanup_close_ int rfd = -EBADF;
1634 int r;
1635
1636 r = parse_argv(argc, argv);
1637 if (r <= 0)
1638 return r;
1639
1640 log_setup();
1641
1642 umask(0022);
1643
1644 bool offline = arg_root || arg_image;
1645
1646 if (!offline) {
1647 /* If we are called without --root=/--image= let's honour the systemd.firstboot kernel
1648 * command line option, because we are called to provision the host with basic settings (as
1649 * opposed to some other file system tree/image) */
1650
1651 bool enabled;
1652 r = proc_cmdline_get_bool("systemd.firstboot", &enabled);
1653 if (r < 0)
1654 return log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring: %m");
1655 if (r > 0 && !enabled) {
1656 log_debug("Found systemd.firstboot=no kernel command line argument, terminating.");
1657 return 0; /* disabled */
1658 }
1659 }
1660
1661 if (arg_image) {
1662 assert(!arg_root);
1663
1664 r = mount_image_privately_interactively(
1665 arg_image,
1666 arg_image_policy,
1667 DISSECT_IMAGE_GENERIC_ROOT |
1668 DISSECT_IMAGE_REQUIRE_ROOT |
1669 DISSECT_IMAGE_VALIDATE_OS |
1670 DISSECT_IMAGE_RELAX_VAR_CHECK |
1671 DISSECT_IMAGE_FSCK |
1672 DISSECT_IMAGE_GROWFS,
1673 &mounted_dir,
1674 &rfd,
1675 &loop_device);
1676 if (r < 0)
1677 return r;
1678
1679 arg_root = strdup(mounted_dir);
1680 if (!arg_root)
1681 return log_oom();
1682 } else {
1683 rfd = open(empty_to_root(arg_root), O_DIRECTORY|O_CLOEXEC);
1684 if (rfd < 0)
1685 return log_error_errno(errno, "Failed to open %s: %m", empty_to_root(arg_root));
1686 }
1687
1688 LOG_SET_PREFIX(arg_image ?: arg_root);
1689
1690 /* We check these conditions here instead of in parse_argv() so that we can take the root directory
1691 * into account. */
1692
1693 if (arg_locale && !locale_is_ok(rfd, arg_locale))
1694 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Locale %s is not installed.", arg_locale);
1695 if (arg_locale_messages && !locale_is_ok(rfd, arg_locale_messages))
1696 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Locale %s is not installed.", arg_locale_messages);
1697
1698 if (arg_root_shell) {
1699 r = find_shell(rfd, arg_root_shell);
1700 if (r < 0)
1701 return r;
1702 }
1703
1704 r = process_reset(rfd);
1705 if (r < 0)
1706 return r;
1707
1708 r = process_locale(rfd);
1709 if (r < 0)
1710 return r;
1711 if (r > 0 && !offline)
1712 (void) reload_system_manager(&bus);
1713
1714 r = process_keymap(rfd);
1715 if (r < 0)
1716 return r;
1717 if (r > 0 && !offline)
1718 (void) reload_vconsole(&bus);
1719
1720 r = process_timezone(rfd);
1721 if (r < 0)
1722 return r;
1723
1724 r = process_hostname(rfd);
1725 if (r < 0)
1726 return r;
1727
1728 r = process_machine_id(rfd);
1729 if (r < 0)
1730 return r;
1731
1732 r = process_root_account(rfd);
1733 if (r < 0)
1734 return r;
1735
1736 r = process_kernel_cmdline(rfd);
1737 if (r < 0)
1738 return r;
1739
1740 return 0;
1741 }
1742
1743 DEFINE_MAIN_FUNCTION(run);
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