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firstboot: add new component to query basic system settings on first boot, or when...
[thirdparty/systemd.git] / src / firstboot / firstboot.c
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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
22
23#include <fcntl.h>
24#include <unistd.h>
25#include <getopt.h>
26#include <shadow.h>
27
28#include "strv.h"
29#include "fileio.h"
30#include "copy.h"
31#include "build.h"
32#include "mkdir.h"
33#include "time-util.h"
34#include "path-util.h"
35#include "locale-util.h"
36#include "ask-password-api.h"
37
38static char *arg_root = NULL;
39static char *arg_locale = NULL; /* $LANG */
40static char *arg_locale_messages = NULL; /* $LC_MESSAGES */
41static char *arg_timezone = NULL;
42static char *arg_hostname = NULL;
43static sd_id128_t arg_machine_id = {};
44static char *arg_root_password = NULL;
45static bool arg_prompt_locale = false;
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;
50static bool arg_copy_timezone = false;
51static bool arg_copy_root_password = false;
52
53#define prefix_roota(p) (arg_root ? (const char*) strappenda(arg_root, p) : (const char*) p)
54
55static void clear_string(char *x) {
56
57 if (!x)
58 return;
59
60 /* A delicious drop of snake-oil! */
61 memset(x, 'x', strlen(x));
62}
63
64static bool press_any_key(void) {
65 char k = 0;
66 bool need_nl = true;
67
68 printf("-- Press any key to proceed --");
69 fflush(stdout);
70
71 read_one_char(stdin, &k, (usec_t) -1, &need_nl);
72
73 if (need_nl)
74 putchar('\n');
75
76 return k != 'q';
77}
78
79static void print_welcome(void) {
80 _cleanup_free_ char *pretty_name = NULL;
81 const char *os_release = NULL;
82 static bool done = false;
83 int r;
84
85 if (done)
86 return;
87
88 os_release = prefix_roota("/etc/os-release");
89 r = parse_env_file(os_release, NEWLINE,
90 "PRETTY_NAME", &pretty_name,
91 NULL);
92 if (r == -ENOENT) {
93
94 os_release = prefix_roota("/usr/lib/os-release");
95 r = parse_env_file(os_release, NEWLINE,
96 "PRETTY_NAME", &pretty_name,
97 NULL);
98 }
99
100 if (r < 0 && r != -ENOENT)
101 log_warning("Failed to read os-release file: %s", strerror(-r));
102
103 printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n",
104 isempty(pretty_name) ? "Linux" : pretty_name);
105
106 press_any_key();
107
108 done = true;
109}
110
111static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) {
112 unsigned n, per_column, i, j;
113 unsigned break_lines, break_modulo;
114
115 assert(n_columns > 0);
116
117 n = strv_length(x);
118 per_column = (n + n_columns - 1) / n_columns;
119
120 break_lines = lines();
121 if (break_lines > 2)
122 break_lines--;
123
124 /* The first page gets two extra lines, since we want to show
125 * a title */
126 break_modulo = break_lines;
127 if (break_modulo > 3)
128 break_modulo -= 3;
129
130 for (i = 0; i < per_column; i++) {
131
132 for (j = 0; j < n_columns; j ++) {
133 _cleanup_free_ char *e = NULL;
134
135 if (j * per_column + i >= n)
136 break;
137
138 e = ellipsize(x[j * per_column + i], width, percentage);
139 if (!e)
140 return log_oom();
141
142 printf("%4u) %-*s", j * per_column + i + 1, width, e);
143 }
144
145 putchar('\n');
146
147 /* on the first screen we reserve 2 extra lines for the title */
148 if (i % break_lines == break_modulo) {
149 if (!press_any_key())
150 return 0;
151 }
152 }
153
154 return 0;
155}
156
157static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) {
158 int r;
159
160 assert(text);
161 assert(is_valid);
162 assert(ret);
163
164 for (;;) {
165 _cleanup_free_ char *p = NULL;
166 unsigned u;
167
168 r = ask_string(&p, "%s %s (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET), text);
169 if (r < 0) {
170 log_error("Failed to query user: %s", strerror(-r));
171 return r;
172 }
173
174 if (isempty(p)) {
175 log_warning("No data entered, skipping.");
176 return 0;
177 }
178
179 r = safe_atou(p, &u);
180 if (r >= 0) {
181 char *c;
182
183 if (u <= 0 || u > strv_length(l)) {
184 log_error("Specified entry number out of range.");
185 continue;
186 }
187
188 log_info("Selected '%s'.", l[u-1]);
189
190 c = strdup(l[u-1]);
191 if (!c)
192 return log_oom();
193
194 free(*ret);
195 *ret = c;
196 return 0;
197 }
198
199 if (!is_valid(p)) {
200 log_error("Entered data invalid.");
201 continue;
202 }
203
204 free(*ret);
205 *ret = p;
206 p = 0;
207 return 0;
208 }
209}
210
211static int prompt_locale(void) {
212 _cleanup_strv_free_ char **locales = NULL;
213 int r;
214
215 if (arg_locale || arg_locale_messages)
216 return 0;
217
218 if (!arg_prompt_locale)
219 return 0;
220
221 r = get_locales(&locales);
222 if (r < 0) {
223 log_error("Cannot query locales list: %s", strerror(-r));
224 return r;
225 }
226
227 print_welcome();
228
229 printf("\nAvailable Locales:\n\n");
230 r = show_menu(locales, 3, 22, 60);
231 if (r < 0)
232 return r;
233
234 putchar('\n');
235
236 r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale);
237 if (r < 0)
238 return r;
239
240 if (isempty(arg_locale))
241 return 0;
242
243 r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages);
244 if (r < 0)
245 return r;
246
247 return 0;
248}
249
250static int process_locale(void) {
251 const char *etc_localeconf;
252 char* locales[3];
253 unsigned i = 0;
254 int r;
255
256 etc_localeconf = prefix_roota("/etc/locale.conf");
257 if (faccessat(AT_FDCWD, etc_localeconf, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
258 return 0;
259
260 if (arg_copy_locale && arg_root) {
261
262 mkdir_parents(etc_localeconf, 0755);
263 r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644);
264 if (r != -ENOENT) {
265 if (r < 0) {
266 log_error("Failed to copy %s: %s", etc_localeconf, strerror(-r));
267 return r;
268 }
269
270 log_info("%s copied.", etc_localeconf);
271 return 0;
272 }
273 }
274
275 r = prompt_locale();
276 if (r < 0)
277 return r;
278
279 if (!isempty(arg_locale))
280 locales[i++] = strappenda("LANG=", arg_locale);
281 if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale))
282 locales[i++] = strappenda("LC_MESSAGES=", arg_locale_messages);
283
284 if (i == 0)
285 return 0;
286
287 locales[i] = NULL;
288
289 mkdir_parents(etc_localeconf, 0755);
290 r = write_env_file(etc_localeconf, locales);
291 if (r < 0) {
292 log_error("Failed to write %s: %s", etc_localeconf, strerror(-r));
293 return r;
294 }
295
296 log_info("%s written.", etc_localeconf);
297 return 0;
298}
299
300static int prompt_timezone(void) {
301 _cleanup_strv_free_ char **zones = NULL;
302 int r;
303
304 if (arg_timezone)
305 return 0;
306
307 if (!arg_prompt_timezone)
308 return 0;
309
310 r = get_timezones(&zones);
311 if (r < 0) {
312 log_error("Cannot query timezone list: %s", strerror(-r));
313 return r;
314 }
315
316 print_welcome();
317
318 printf("\nAvailable Time Zones:\n\n");
319 r = show_menu(zones, 3, 22, 30);
320 if (r < 0)
321 return r;
322
323 putchar('\n');
324
325 r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone);
326 if (r < 0)
327 return r;
328
329 return 0;
330}
331
332static int process_timezone(void) {
333 const char *etc_localtime, *e;
334 int r;
335
336 etc_localtime = prefix_roota("/etc/localtime");
337 if (faccessat(AT_FDCWD, etc_localtime, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
338 return 0;
339
340 if (arg_copy_timezone && arg_root) {
341 _cleanup_free_ char *p = NULL;
342
343 r = readlink_malloc("/etc/localtime", &p);
344 if (r != -ENOENT) {
345 if (r < 0) {
346 log_error("Failed to read host timezone: %s", strerror(-r));
347 return r;
348 }
349
350 mkdir_parents(etc_localtime, 0755);
351 if (symlink(p, etc_localtime) < 0) {
352 log_error("Failed to create %s symlink: %m", etc_localtime);
353 return -errno;
354 }
355
356 log_info("%s copied.", etc_localtime);
357 return 0;
358 }
359 }
360
361 r = prompt_timezone();
362 if (r < 0)
363 return r;
364
365 if (isempty(arg_timezone))
366 return 0;
367
368 e = strappenda("../usr/share/zoneinfo/", arg_timezone);
369
370 mkdir_parents(etc_localtime, 0755);
371 if (symlink(e, etc_localtime) < 0) {
372 log_error("Failed to create %s symlink: %m", etc_localtime);
373 return -errno;
374 }
375
376 log_info("%s written", etc_localtime);
377 return 0;
378}
379
380static int prompt_hostname(void) {
381 int r;
382
383 if (arg_hostname)
384 return 0;
385
386 if (!arg_prompt_hostname)
387 return 0;
388
389 print_welcome();
390 putchar('\n');
391
392 for (;;) {
393 _cleanup_free_ char *h = NULL;
394
395 r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET));
396 if (r < 0) {
397 log_error("Failed to query hostname: %s", strerror(-r));
398 return r;
399 }
400
401 if (isempty(h)) {
402 log_warning("No hostname entered, skipping.");
403 break;
404 }
405
406 if (!hostname_is_valid(h)) {
407 log_error("Specified hostname invalid.");
408 continue;
409 }
410
411 arg_hostname = h;
412 h = NULL;
413 break;
414 }
415
416 return 0;
417}
418
419static int process_hostname(void) {
420 const char *etc_hostname;
421 int r;
422
423 etc_hostname = prefix_roota("/etc/hostname");
424 if (faccessat(AT_FDCWD, etc_hostname, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
425 return 0;
426
427 r = prompt_hostname();
428 if (r < 0)
429 return r;
430
431 if (isempty(arg_hostname))
432 return 0;
433
434 mkdir_parents(etc_hostname, 0755);
435 r = write_string_file(etc_hostname, arg_hostname);
436 if (r < 0) {
437 log_error("Failed to write %s: %s", etc_hostname, strerror(-r));
438 return r;
439 }
440
441 log_info("%s written.", etc_hostname);
442 return 0;
443}
444
445static int process_machine_id(void) {
446 const char *etc_machine_id;
447 char id[SD_ID128_STRING_MAX];
448 int r;
449
450 etc_machine_id = prefix_roota("/etc/machine-id");
451 if (faccessat(AT_FDCWD, etc_machine_id, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
452 return 0;
453
454 if (!arg_root)
455 return 0;
456
457 if (sd_id128_equal(arg_machine_id, SD_ID128_NULL))
458 return 0;
459
460 mkdir_parents(etc_machine_id, 0755);
461 r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id));
462 if (r < 0) {
463 log_error("Failed to write machine id: %s", strerror(-r));
464 return r;
465 }
466
467 log_info("%s written.", etc_machine_id);
468 return 0;
469}
470
471static int prompt_root_password(void) {
472 const char *msg1, *msg2, *etc_shadow;
473 int r;
474
475 if (arg_root_password)
476 return 0;
477
478 if (!arg_prompt_root_password)
479 return 0;
480
481 etc_shadow = prefix_roota("/etc/shadow");
482 if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
483 return 0;
484
485 print_welcome();
486 putchar('\n');
487
488 msg1 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): ");
489 msg2 = strappenda(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: ");
490
491 for (;;) {
492 _cleanup_free_ char *a = NULL, *b = NULL;
493
494 r = ask_password_tty(msg1, 0, NULL, &a);
495 if (r < 0) {
496 log_error("Failed to query root password: %s", strerror(-r));
497 return r;
498 }
499
500 if (isempty(a)) {
501 log_warning("No password entered, skipping.");
502 break;
503 }
504
505 r = ask_password_tty(msg2, 0, NULL, &b);
506 if (r < 0) {
507 log_error("Failed to query root password: %s", strerror(-r));
508 clear_string(a);
509 return r;
510 }
511
512 if (!streq(a, b)) {
513 log_error("Entered passwords did not match, please try again.");
514 clear_string(a);
515 clear_string(b);
516 continue;
517 }
518
519 clear_string(b);
520 arg_root_password = a;
521 a = NULL;
522 break;
523 }
524
525 return 0;
526}
527
528static int write_root_shadow(const char *path, const struct spwd *p) {
529 _cleanup_fclose_ FILE *f = NULL;
530 assert(path);
531 assert(p);
532
533 mkdir_parents(path, 0755);
534 f = fopen(path, "wex");
535 if (!f)
536 return -errno;
537
538 errno = 0;
539 if (putspent(p, f) != 0)
540 return errno ? -errno : -EIO;
541
542 return fflush_and_check(f);
543}
544
545static int process_root_password(void) {
546
547 static const char table[] =
548 "abcdefghijklmnopqrstuvwxyz"
549 "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
550 "0123456789"
551 "./";
552
553 struct spwd item = {
554 .sp_namp = (char*) "root",
555 .sp_min = 0,
556 .sp_max = 99999,
557 .sp_warn = 7,
558 .sp_inact = -1,
559 .sp_expire = -1,
560 .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */
561 };
562 char salt[3+16+1+1];
563 uint8_t raw[16];
564 unsigned i;
565 char *j;
566
567 const char *etc_shadow;
568 int r;
569
570 etc_shadow = prefix_roota("/etc/shadow");
571 if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0)
572 return 0;
573
574 if (arg_copy_root_password && arg_root) {
575 struct spwd *p;
576
577 errno = 0;
578 p = getspnam("root");
579 if (p || errno != ENOENT) {
580 if (!p) {
581 if (!errno)
582 errno = EIO;
583
584 log_error("Failed to find shadow entry for root: %m");
585 return -errno;
586 }
587
588 r = write_root_shadow(etc_shadow, p);
589 if (r < 0) {
590 log_error("Failed to write %s: %s", etc_shadow, strerror(-r));
591 return r;
592 }
593
594 log_info("%s copied.", etc_shadow);
595 return 0;
596 }
597 }
598
599 r = prompt_root_password();
600 if (r < 0)
601 return r;
602
603 if (!arg_root_password)
604 return 0;
605
606 r = dev_urandom(raw, 16);
607 if (r < 0) {
608 log_error("Failed to get salt: %s", strerror(-r));
609 return r;
610 }
611
612 /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */
613 assert_cc(sizeof(table) == 64 + 1);
614 j = stpcpy(salt, "$6$");
615 for (i = 0; i < 16; i++)
616 j[i] = table[raw[i] & 63];
617 j[i++] = '$';
618 j[i] = 0;
619
620 errno = 0;
621 item.sp_pwdp = crypt(arg_root_password, salt);
622 if (!item.sp_pwdp) {
623 if (!errno)
624 errno = -EINVAL;
625
626 log_error("Failed to encrypt password: %m");
627 return -errno;
628 }
629
630 item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY);
631
632 r = write_root_shadow(etc_shadow, &item);
633 if (r < 0) {
634 log_error("Failed to write %s: %s", etc_shadow, strerror(-r));
635 return r;
636 }
637
638 log_info("%s written.", etc_shadow);
639 return 0;
640}
641
642static int help(void) {
643
644 printf("%s [OPTIONS...]\n\n"
645 "Configures basic settings of the system.\n\n"
646 " -h --help Show this help\n"
647 " --version Show package version\n"
648 " --root=PATH Operate on an alternate filesystem root\n"
649 " --locale=LOCALE Set primary locale (LANG=)\n"
650 " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n"
651 " --timezone=TIMEZONE Set timezone\n"
652 " --hostname=NAME Set host name\n"
653 " --machine-ID=ID Set machine ID\n"
654 " --root-password=PASSWORD Set root password\n"
655 " --root-password-file=FILE Set root password from file\n"
656 " --prompt-locale Prompt the user for locale settings\n"
657 " --prompt-timezone Prompt the user for timezone\n"
658 " --prompt-hostname Prompt the user for hostname\n"
659 " --prompt-root-password Prompt the user for root password\n"
660 " --prompt Prompt for locale, timezone, hostname, root password\n"
661 " --copy-locale Copy locale from host\n"
662 " --copy-timezone Copy timezone from host\n"
663 " --copy-root-password Copy root password from host\n"
664 " --copy Copy locale, timezone, root password\n"
665 " --setup-machine-id Generate a new random machine ID\n",
666 program_invocation_short_name);
667
668 return 0;
669}
670
671static int parse_argv(int argc, char *argv[]) {
672
673 enum {
674 ARG_VERSION = 0x100,
675 ARG_ROOT,
676 ARG_LOCALE,
677 ARG_LOCALE_MESSAGES,
678 ARG_TIMEZONE,
679 ARG_HOSTNAME,
680 ARG_MACHINE_ID,
681 ARG_ROOT_PASSWORD,
682 ARG_ROOT_PASSWORD_FILE,
683 ARG_PROMPT,
684 ARG_PROMPT_LOCALE,
685 ARG_PROMPT_TIMEZONE,
686 ARG_PROMPT_HOSTNAME,
687 ARG_PROMPT_ROOT_PASSWORD,
688 ARG_COPY,
689 ARG_COPY_LOCALE,
690 ARG_COPY_TIMEZONE,
691 ARG_COPY_ROOT_PASSWORD,
692 ARG_SETUP_MACHINE_ID,
693 };
694
695 static const struct option options[] = {
696 { "help", no_argument, NULL, 'h' },
697 { "version", no_argument, NULL, ARG_VERSION },
698 { "root", required_argument, NULL, ARG_ROOT },
699 { "locale", required_argument, NULL, ARG_LOCALE },
700 { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES },
701 { "timezone", required_argument, NULL, ARG_TIMEZONE },
702 { "hostname", required_argument, NULL, ARG_HOSTNAME },
703 { "machine-id", required_argument, NULL, ARG_MACHINE_ID },
704 { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD },
705 { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE },
706 { "prompt", no_argument, NULL, ARG_PROMPT },
707 { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE },
708 { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE },
709 { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME },
710 { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD },
711 { "copy", no_argument, NULL, ARG_COPY },
712 { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE },
713 { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE },
714 { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD },
715 { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID },
716 {}
717 };
718
719 int r, c;
720
721 assert(argc >= 0);
722 assert(argv);
723
724 while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
725
726 switch (c) {
727
728 case 'h':
729 return help();
730
731 case ARG_VERSION:
732 puts(PACKAGE_STRING);
733 puts(SYSTEMD_FEATURES);
734 return 0;
735
736 case ARG_ROOT:
737 free(arg_root);
738 arg_root = path_make_absolute_cwd(optarg);
739 if (!arg_root)
740 return log_oom();
741
742 path_kill_slashes(arg_root);
743
744 if (path_equal(arg_root, "/")) {
745 free(arg_root);
746 arg_root = NULL;
747 }
748
749 break;
750
751 case ARG_LOCALE:
752 if (!locale_is_valid(optarg)) {
753 log_error("Locale %s is not valid.", optarg);
754 return -EINVAL;
755 }
756
757 free(arg_locale);
758 arg_locale = strdup(optarg);
759 if (!arg_locale)
760 return log_oom();
761
762 break;
763
764 case ARG_LOCALE_MESSAGES:
765 if (!locale_is_valid(optarg)) {
766 log_error("Locale %s is not valid.", optarg);
767 return -EINVAL;
768 }
769
770 free(arg_locale_messages);
771 arg_locale_messages = strdup(optarg);
772 if (!arg_locale_messages)
773 return log_oom();
774
775 break;
776
777 case ARG_TIMEZONE:
778 if (!timezone_is_valid(optarg)) {
779 log_error("Timezone %s is not valid.", optarg);
780 return -EINVAL;
781 }
782
783 free(arg_timezone);
784 arg_timezone = strdup(optarg);
785 if (!arg_timezone)
786 return log_oom();
787
788 break;
789
790 case ARG_ROOT_PASSWORD:
791 free(arg_root_password);
792 arg_root_password = strdup(optarg);
793 if (!arg_root_password)
794 return log_oom();
795
796 break;
797
798 case ARG_ROOT_PASSWORD_FILE:
799 free(arg_root_password);
800 arg_root_password = NULL;
801
802 r = read_one_line_file(optarg, &arg_root_password);
803 if (r < 0) {
804 log_error("Failed to read %s: %s", optarg, strerror(-r));
805 return r;
806 }
807
808 break;
809
810 case ARG_HOSTNAME:
811 if (!hostname_is_valid(optarg)) {
812 log_error("Host name %s is not valid.", optarg);
813 return -EINVAL;
814 }
815
816 free(arg_hostname);
817 arg_hostname = strdup(optarg);
818 if (!arg_hostname)
819 return log_oom();
820
821 break;
822
823 case ARG_MACHINE_ID:
824 if (sd_id128_from_string(optarg, &arg_machine_id) < 0) {
825 log_error("Failed to parse machine id %s.", optarg);
826 return -EINVAL;
827 }
828
829 break;
830
831 case ARG_PROMPT:
832 arg_prompt_locale = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true;
833 break;
834
835 case ARG_PROMPT_LOCALE:
836 arg_prompt_locale = true;
837 break;
838
839 case ARG_PROMPT_TIMEZONE:
840 arg_prompt_timezone = true;
841 break;
842
843 case ARG_PROMPT_HOSTNAME:
844 arg_prompt_hostname = true;
845 break;
846
847 case ARG_PROMPT_ROOT_PASSWORD:
848 arg_prompt_root_password = true;
849 break;
850
851 case ARG_COPY:
852 arg_copy_locale = arg_copy_timezone = arg_copy_root_password = true;
853
854 case ARG_COPY_LOCALE:
855 arg_copy_locale = true;
856 break;
857
858 case ARG_COPY_TIMEZONE:
859 arg_copy_timezone = true;
860 break;
861
862 case ARG_COPY_ROOT_PASSWORD:
863 arg_copy_root_password = true;
864 break;
865
866 case ARG_SETUP_MACHINE_ID:
867
868 r = sd_id128_randomize(&arg_machine_id);
869 if (r < 0) {
870 log_error("Failed to generate randomized machine ID: %s", strerror(-r));
871 return r;
872 }
873
874 break;
875
876 case '?':
877 return -EINVAL;
878
879 default:
880 assert_not_reached("Unhandled option");
881 }
882 }
883
884 return 1;
885}
886
887int main(int argc, char *argv[]) {
888 int r;
889
890 r = parse_argv(argc, argv);
891 if (r <= 0)
892 goto finish;
893
894 log_set_target(LOG_TARGET_AUTO);
895 log_parse_environment();
896 log_open();
897
898 umask(0022);
899
900 r = process_locale();
901 if (r < 0)
902 goto finish;
903
904 r = process_timezone();
905 if (r < 0)
906 goto finish;
907
908 r = process_hostname();
909 if (r < 0)
910 goto finish;
911
912 r = process_machine_id();
913 if (r < 0)
914 goto finish;
915
916 r = process_root_password();
917 if (r < 0)
918 goto finish;
919
920finish:
921 free(arg_root);
922 free(arg_locale);
923 free(arg_locale_messages);
924 free(arg_timezone);
925 free(arg_hostname);
926 clear_string(arg_root_password);
927 free(arg_root_password);
928
929 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
930}
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