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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | ||
3 | #include <fcntl.h> | |
4 | #include <getopt.h> | |
5 | #include <unistd.h> | |
6 | ||
7 | #if HAVE_CRYPT_H | |
8 | /* libxcrypt is a replacement for glibc's libcrypt, and libcrypt might be | |
9 | * removed from glibc at some point. As part of the removal, defines for | |
10 | * crypt(3) are dropped from unistd.h, and we must include crypt.h instead. | |
11 | * | |
12 | * Newer versions of glibc (v2.0+) already ship crypt.h with a definition | |
13 | * of crypt(3) as well, so we simply include it if it is present. MariaDB, | |
14 | * MySQL, PostgreSQL, Perl and some other wide-spread packages do it the | |
15 | * same way since ages without any problems. | |
16 | */ | |
17 | # include <crypt.h> | |
18 | #endif | |
19 | ||
20 | #include "sd-id128.h" | |
21 | ||
22 | #include "alloc-util.h" | |
23 | #include "ask-password-api.h" | |
24 | #include "copy.h" | |
25 | #include "env-file.h" | |
26 | #include "fd-util.h" | |
27 | #include "fileio.h" | |
28 | #include "fs-util.h" | |
29 | #include "hostname-util.h" | |
30 | #include "kbd-util.h" | |
31 | #include "locale-util.h" | |
32 | #include "main-func.h" | |
33 | #include "mkdir.h" | |
34 | #include "os-util.h" | |
35 | #include "parse-util.h" | |
36 | #include "path-util.h" | |
37 | #include "pretty-print.h" | |
38 | #include "proc-cmdline.h" | |
39 | #include "random-util.h" | |
40 | #include "string-util.h" | |
41 | #include "strv.h" | |
42 | #include "terminal-util.h" | |
43 | #include "time-util.h" | |
44 | #include "umask-util.h" | |
45 | #include "user-util.h" | |
46 | ||
47 | static char *arg_root = NULL; | |
48 | static char *arg_locale = NULL; /* $LANG */ | |
49 | static char *arg_keymap = NULL; | |
50 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ | |
51 | static char *arg_timezone = NULL; | |
52 | static char *arg_hostname = NULL; | |
53 | static sd_id128_t arg_machine_id = {}; | |
54 | static char *arg_root_password = NULL; | |
55 | static bool arg_prompt_locale = false; | |
56 | static bool arg_prompt_keymap = false; | |
57 | static bool arg_prompt_timezone = false; | |
58 | static bool arg_prompt_hostname = false; | |
59 | static bool arg_prompt_root_password = false; | |
60 | static bool arg_copy_locale = false; | |
61 | static bool arg_copy_keymap = false; | |
62 | static bool arg_copy_timezone = false; | |
63 | static bool arg_copy_root_password = false; | |
64 | ||
65 | STATIC_DESTRUCTOR_REGISTER(arg_root, freep); | |
66 | STATIC_DESTRUCTOR_REGISTER(arg_locale, freep); | |
67 | STATIC_DESTRUCTOR_REGISTER(arg_locale_messages, freep); | |
68 | STATIC_DESTRUCTOR_REGISTER(arg_keymap, freep); | |
69 | STATIC_DESTRUCTOR_REGISTER(arg_timezone, freep); | |
70 | STATIC_DESTRUCTOR_REGISTER(arg_hostname, freep); | |
71 | STATIC_DESTRUCTOR_REGISTER(arg_root_password, string_free_erasep); | |
72 | ||
73 | static bool press_any_key(void) { | |
74 | char k = 0; | |
75 | bool need_nl = true; | |
76 | ||
77 | printf("-- Press any key to proceed --"); | |
78 | fflush(stdout); | |
79 | ||
80 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); | |
81 | ||
82 | if (need_nl) | |
83 | putchar('\n'); | |
84 | ||
85 | return k != 'q'; | |
86 | } | |
87 | ||
88 | static void print_welcome(void) { | |
89 | _cleanup_free_ char *pretty_name = NULL; | |
90 | static bool done = false; | |
91 | int r; | |
92 | ||
93 | if (done) | |
94 | return; | |
95 | ||
96 | r = parse_os_release(arg_root, "PRETTY_NAME", &pretty_name, NULL); | |
97 | if (r < 0) | |
98 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
99 | "Failed to read os-release file, ignoring: %m"); | |
100 | ||
101 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
102 | isempty(pretty_name) ? "Linux" : pretty_name); | |
103 | ||
104 | press_any_key(); | |
105 | ||
106 | done = true; | |
107 | } | |
108 | ||
109 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
110 | unsigned break_lines, break_modulo; | |
111 | size_t n, per_column, i, j; | |
112 | ||
113 | assert(n_columns > 0); | |
114 | ||
115 | n = strv_length(x); | |
116 | per_column = DIV_ROUND_UP(n, n_columns); | |
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 | ||
140 | printf("%4zu) %-*s", j * per_column + i + 1, width, e); | |
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 | ||
155 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
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 | ||
166 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), text); | |
167 | if (r < 0) | |
168 | return log_error_errno(r, "Failed to query user: %m"); | |
169 | ||
170 | if (isempty(p)) { | |
171 | log_warning("No data entered, skipping."); | |
172 | return 0; | |
173 | } | |
174 | ||
175 | r = safe_atou(p, &u); | |
176 | if (r >= 0) { | |
177 | char *c; | |
178 | ||
179 | if (u <= 0 || u > strv_length(l)) { | |
180 | log_error("Specified entry number out of range."); | |
181 | continue; | |
182 | } | |
183 | ||
184 | log_info("Selected '%s'.", l[u-1]); | |
185 | ||
186 | c = strdup(l[u-1]); | |
187 | if (!c) | |
188 | return log_oom(); | |
189 | ||
190 | free(*ret); | |
191 | *ret = c; | |
192 | return 0; | |
193 | } | |
194 | ||
195 | if (!is_valid(p)) { | |
196 | log_error("Entered data invalid."); | |
197 | continue; | |
198 | } | |
199 | ||
200 | free(*ret); | |
201 | *ret = p; | |
202 | p = 0; | |
203 | return 0; | |
204 | } | |
205 | } | |
206 | ||
207 | static int prompt_locale(void) { | |
208 | _cleanup_strv_free_ char **locales = NULL; | |
209 | int r; | |
210 | ||
211 | if (arg_locale || arg_locale_messages) | |
212 | return 0; | |
213 | ||
214 | if (!arg_prompt_locale) | |
215 | return 0; | |
216 | ||
217 | r = get_locales(&locales); | |
218 | if (r < 0) | |
219 | return log_error_errno(r, "Cannot query locales list: %m"); | |
220 | ||
221 | print_welcome(); | |
222 | ||
223 | printf("\nAvailable Locales:\n\n"); | |
224 | r = show_menu(locales, 3, 22, 60); | |
225 | if (r < 0) | |
226 | return r; | |
227 | ||
228 | putchar('\n'); | |
229 | ||
230 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
231 | if (r < 0) | |
232 | return r; | |
233 | ||
234 | if (isempty(arg_locale)) | |
235 | return 0; | |
236 | ||
237 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
238 | if (r < 0) | |
239 | return r; | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
244 | static int process_locale(void) { | |
245 | const char *etc_localeconf; | |
246 | char* locales[3]; | |
247 | unsigned i = 0; | |
248 | int r; | |
249 | ||
250 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); | |
251 | if (laccess(etc_localeconf, F_OK) >= 0) | |
252 | return 0; | |
253 | ||
254 | if (arg_copy_locale && arg_root) { | |
255 | ||
256 | (void) mkdir_parents(etc_localeconf, 0755); | |
257 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, 0, COPY_REFLINK); | |
258 | if (r != -ENOENT) { | |
259 | if (r < 0) | |
260 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
261 | ||
262 | log_info("%s copied.", etc_localeconf); | |
263 | return 0; | |
264 | } | |
265 | } | |
266 | ||
267 | r = prompt_locale(); | |
268 | if (r < 0) | |
269 | return r; | |
270 | ||
271 | if (!isempty(arg_locale)) | |
272 | locales[i++] = strjoina("LANG=", arg_locale); | |
273 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) | |
274 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); | |
275 | ||
276 | if (i == 0) | |
277 | return 0; | |
278 | ||
279 | locales[i] = NULL; | |
280 | ||
281 | (void) mkdir_parents(etc_localeconf, 0755); | |
282 | r = write_env_file(etc_localeconf, locales); | |
283 | if (r < 0) | |
284 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
285 | ||
286 | log_info("%s written.", etc_localeconf); | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static int prompt_keymap(void) { | |
291 | _cleanup_strv_free_ char **kmaps = NULL; | |
292 | int r; | |
293 | ||
294 | if (arg_keymap) | |
295 | return 0; | |
296 | ||
297 | if (!arg_prompt_keymap) | |
298 | return 0; | |
299 | ||
300 | r = get_keymaps(&kmaps); | |
301 | if (r == -ENOENT) /* no keymaps installed */ | |
302 | return r; | |
303 | if (r < 0) | |
304 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
305 | ||
306 | print_welcome(); | |
307 | ||
308 | printf("\nAvailable keymaps:\n\n"); | |
309 | r = show_menu(kmaps, 3, 22, 60); | |
310 | if (r < 0) | |
311 | return r; | |
312 | ||
313 | putchar('\n'); | |
314 | ||
315 | return prompt_loop("Please enter system keymap name or number", | |
316 | kmaps, keymap_is_valid, &arg_keymap); | |
317 | } | |
318 | ||
319 | static int process_keymap(void) { | |
320 | const char *etc_vconsoleconf; | |
321 | char **keymap; | |
322 | int r; | |
323 | ||
324 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
325 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
326 | return 0; | |
327 | ||
328 | if (arg_copy_keymap && arg_root) { | |
329 | ||
330 | (void) mkdir_parents(etc_vconsoleconf, 0755); | |
331 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, 0, COPY_REFLINK); | |
332 | if (r != -ENOENT) { | |
333 | if (r < 0) | |
334 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
335 | ||
336 | log_info("%s copied.", etc_vconsoleconf); | |
337 | return 0; | |
338 | } | |
339 | } | |
340 | ||
341 | r = prompt_keymap(); | |
342 | if (r == -ENOENT) | |
343 | return 0; /* don't fail if no keymaps are installed */ | |
344 | if (r < 0) | |
345 | return r; | |
346 | ||
347 | if (isempty(arg_keymap)) | |
348 | return 0; | |
349 | ||
350 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); | |
351 | ||
352 | r = mkdir_parents(etc_vconsoleconf, 0755); | |
353 | if (r < 0) | |
354 | return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf); | |
355 | ||
356 | r = write_env_file(etc_vconsoleconf, keymap); | |
357 | if (r < 0) | |
358 | return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); | |
359 | ||
360 | log_info("%s written.", etc_vconsoleconf); | |
361 | return 0; | |
362 | } | |
363 | ||
364 | static bool timezone_is_valid_log_error(const char *name) { | |
365 | return timezone_is_valid(name, LOG_ERR); | |
366 | } | |
367 | ||
368 | static int prompt_timezone(void) { | |
369 | _cleanup_strv_free_ char **zones = NULL; | |
370 | int r; | |
371 | ||
372 | if (arg_timezone) | |
373 | return 0; | |
374 | ||
375 | if (!arg_prompt_timezone) | |
376 | return 0; | |
377 | ||
378 | r = get_timezones(&zones); | |
379 | if (r < 0) | |
380 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
381 | ||
382 | print_welcome(); | |
383 | ||
384 | printf("\nAvailable Time Zones:\n\n"); | |
385 | r = show_menu(zones, 3, 22, 30); | |
386 | if (r < 0) | |
387 | return r; | |
388 | ||
389 | putchar('\n'); | |
390 | ||
391 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid_log_error, &arg_timezone); | |
392 | if (r < 0) | |
393 | return r; | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | static int process_timezone(void) { | |
399 | const char *etc_localtime, *e; | |
400 | int r; | |
401 | ||
402 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); | |
403 | if (laccess(etc_localtime, F_OK) >= 0) | |
404 | return 0; | |
405 | ||
406 | if (arg_copy_timezone && arg_root) { | |
407 | _cleanup_free_ char *p = NULL; | |
408 | ||
409 | r = readlink_malloc("/etc/localtime", &p); | |
410 | if (r != -ENOENT) { | |
411 | if (r < 0) | |
412 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
413 | ||
414 | (void) mkdir_parents(etc_localtime, 0755); | |
415 | if (symlink(p, etc_localtime) < 0) | |
416 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
417 | ||
418 | log_info("%s copied.", etc_localtime); | |
419 | return 0; | |
420 | } | |
421 | } | |
422 | ||
423 | r = prompt_timezone(); | |
424 | if (r < 0) | |
425 | return r; | |
426 | ||
427 | if (isempty(arg_timezone)) | |
428 | return 0; | |
429 | ||
430 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); | |
431 | ||
432 | (void) mkdir_parents(etc_localtime, 0755); | |
433 | if (symlink(e, etc_localtime) < 0) | |
434 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
435 | ||
436 | log_info("%s written", etc_localtime); | |
437 | return 0; | |
438 | } | |
439 | ||
440 | static int prompt_hostname(void) { | |
441 | int r; | |
442 | ||
443 | if (arg_hostname) | |
444 | return 0; | |
445 | ||
446 | if (!arg_prompt_hostname) | |
447 | return 0; | |
448 | ||
449 | print_welcome(); | |
450 | putchar('\n'); | |
451 | ||
452 | for (;;) { | |
453 | _cleanup_free_ char *h = NULL; | |
454 | ||
455 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET)); | |
456 | if (r < 0) | |
457 | return log_error_errno(r, "Failed to query hostname: %m"); | |
458 | ||
459 | if (isempty(h)) { | |
460 | log_warning("No hostname entered, skipping."); | |
461 | break; | |
462 | } | |
463 | ||
464 | if (!hostname_is_valid(h, true)) { | |
465 | log_error("Specified hostname invalid."); | |
466 | continue; | |
467 | } | |
468 | ||
469 | /* Get rid of the trailing dot that we allow, but don't want to see */ | |
470 | arg_hostname = hostname_cleanup(h); | |
471 | h = NULL; | |
472 | break; | |
473 | } | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
478 | static int process_hostname(void) { | |
479 | const char *etc_hostname; | |
480 | int r; | |
481 | ||
482 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); | |
483 | if (laccess(etc_hostname, F_OK) >= 0) | |
484 | return 0; | |
485 | ||
486 | r = prompt_hostname(); | |
487 | if (r < 0) | |
488 | return r; | |
489 | ||
490 | if (isempty(arg_hostname)) | |
491 | return 0; | |
492 | ||
493 | r = write_string_file(etc_hostname, arg_hostname, | |
494 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755); | |
495 | if (r < 0) | |
496 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
497 | ||
498 | log_info("%s written.", etc_hostname); | |
499 | return 0; | |
500 | } | |
501 | ||
502 | static int process_machine_id(void) { | |
503 | const char *etc_machine_id; | |
504 | char id[SD_ID128_STRING_MAX]; | |
505 | int r; | |
506 | ||
507 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); | |
508 | if (laccess(etc_machine_id, F_OK) >= 0) | |
509 | return 0; | |
510 | ||
511 | if (sd_id128_is_null(arg_machine_id)) | |
512 | return 0; | |
513 | ||
514 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), | |
515 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC | WRITE_STRING_FILE_MKDIR_0755); | |
516 | if (r < 0) | |
517 | return log_error_errno(r, "Failed to write machine id: %m"); | |
518 | ||
519 | log_info("%s written.", etc_machine_id); | |
520 | return 0; | |
521 | } | |
522 | ||
523 | static int prompt_root_password(void) { | |
524 | const char *msg1, *msg2, *etc_shadow; | |
525 | int r; | |
526 | ||
527 | if (arg_root_password) | |
528 | return 0; | |
529 | ||
530 | if (!arg_prompt_root_password) | |
531 | return 0; | |
532 | ||
533 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); | |
534 | if (laccess(etc_shadow, F_OK) >= 0) | |
535 | return 0; | |
536 | ||
537 | print_welcome(); | |
538 | putchar('\n'); | |
539 | ||
540 | msg1 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); | |
541 | msg2 = strjoina(special_glyph(SPECIAL_GLYPH_TRIANGULAR_BULLET), " Please enter new root password again: "); | |
542 | ||
543 | for (;;) { | |
544 | _cleanup_strv_free_erase_ char **a = NULL, **b = NULL; | |
545 | ||
546 | r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a); | |
547 | if (r < 0) | |
548 | return log_error_errno(r, "Failed to query root password: %m"); | |
549 | if (strv_length(a) != 1) { | |
550 | log_warning("Received multiple passwords, where we expected one."); | |
551 | return -EINVAL; | |
552 | } | |
553 | ||
554 | if (isempty(*a)) { | |
555 | log_warning("No password entered, skipping."); | |
556 | break; | |
557 | } | |
558 | ||
559 | r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b); | |
560 | if (r < 0) | |
561 | return log_error_errno(r, "Failed to query root password: %m"); | |
562 | ||
563 | if (!streq(*a, *b)) { | |
564 | log_error("Entered passwords did not match, please try again."); | |
565 | continue; | |
566 | } | |
567 | ||
568 | arg_root_password = TAKE_PTR(*a); | |
569 | break; | |
570 | } | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
575 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
576 | _cleanup_fclose_ FILE *f = NULL; | |
577 | int r; | |
578 | ||
579 | assert(path); | |
580 | assert(p); | |
581 | ||
582 | RUN_WITH_UMASK(0777) | |
583 | f = fopen(path, "wex"); | |
584 | if (!f) | |
585 | return -errno; | |
586 | ||
587 | r = putspent_sane(p, f); | |
588 | if (r < 0) | |
589 | return r; | |
590 | ||
591 | return fflush_sync_and_check(f); | |
592 | } | |
593 | ||
594 | static int process_root_password(void) { | |
595 | ||
596 | struct spwd item = { | |
597 | .sp_namp = (char*) "root", | |
598 | .sp_min = -1, | |
599 | .sp_max = -1, | |
600 | .sp_warn = -1, | |
601 | .sp_inact = -1, | |
602 | .sp_expire = -1, | |
603 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
604 | }; | |
605 | _cleanup_free_ char *salt = NULL; | |
606 | _cleanup_close_ int lock = -1; | |
607 | struct crypt_data cd = {}; | |
608 | ||
609 | const char *etc_shadow; | |
610 | int r; | |
611 | ||
612 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); | |
613 | if (laccess(etc_shadow, F_OK) >= 0) | |
614 | return 0; | |
615 | ||
616 | (void) mkdir_parents(etc_shadow, 0755); | |
617 | ||
618 | lock = take_etc_passwd_lock(arg_root); | |
619 | if (lock < 0) | |
620 | return log_error_errno(lock, "Failed to take a lock: %m"); | |
621 | ||
622 | if (arg_copy_root_password && arg_root) { | |
623 | struct spwd *p; | |
624 | ||
625 | errno = 0; | |
626 | p = getspnam("root"); | |
627 | if (p || errno != ENOENT) { | |
628 | if (!p) { | |
629 | if (!errno) | |
630 | errno = EIO; | |
631 | ||
632 | return log_error_errno(errno, "Failed to find shadow entry for root: %m"); | |
633 | } | |
634 | ||
635 | r = write_root_shadow(etc_shadow, p); | |
636 | if (r < 0) | |
637 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
638 | ||
639 | log_info("%s copied.", etc_shadow); | |
640 | return 0; | |
641 | } | |
642 | } | |
643 | ||
644 | r = prompt_root_password(); | |
645 | if (r < 0) | |
646 | return r; | |
647 | ||
648 | if (!arg_root_password) | |
649 | return 0; | |
650 | ||
651 | r = make_salt(&salt); | |
652 | if (r < 0) | |
653 | return log_error_errno(r, "Failed to get salt: %m"); | |
654 | ||
655 | errno = 0; | |
656 | item.sp_pwdp = crypt_r(arg_root_password, salt, &cd); | |
657 | if (!item.sp_pwdp) | |
658 | return log_error_errno(errno == 0 ? SYNTHETIC_ERRNO(EINVAL) : errno, | |
659 | "Failed to encrypt password: %m"); | |
660 | ||
661 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
662 | ||
663 | r = write_root_shadow(etc_shadow, &item); | |
664 | if (r < 0) | |
665 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
666 | ||
667 | log_info("%s written.", etc_shadow); | |
668 | return 0; | |
669 | } | |
670 | ||
671 | static int help(void) { | |
672 | _cleanup_free_ char *link = NULL; | |
673 | int r; | |
674 | ||
675 | r = terminal_urlify_man("systemd-firstboot", "1", &link); | |
676 | if (r < 0) | |
677 | return log_oom(); | |
678 | ||
679 | printf("%s [OPTIONS...]\n\n" | |
680 | "Configures basic settings of the system.\n\n" | |
681 | " -h --help Show this help\n" | |
682 | " --version Show package version\n" | |
683 | " --root=PATH Operate on an alternate filesystem root\n" | |
684 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
685 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
686 | " --keymap=KEYMAP Set keymap\n" | |
687 | " --timezone=TIMEZONE Set timezone\n" | |
688 | " --hostname=NAME Set host name\n" | |
689 | " --machine-ID=ID Set machine ID\n" | |
690 | " --root-password=PASSWORD Set root password\n" | |
691 | " --root-password-file=FILE Set root password from file\n" | |
692 | " --prompt-locale Prompt the user for locale settings\n" | |
693 | " --prompt-keymap Prompt the user for keymap settings\n" | |
694 | " --prompt-timezone Prompt the user for timezone\n" | |
695 | " --prompt-hostname Prompt the user for hostname\n" | |
696 | " --prompt-root-password Prompt the user for root password\n" | |
697 | " --prompt Prompt for all of the above\n" | |
698 | " --copy-locale Copy locale from host\n" | |
699 | " --copy-keymap Copy keymap from host\n" | |
700 | " --copy-timezone Copy timezone from host\n" | |
701 | " --copy-root-password Copy root password from host\n" | |
702 | " --copy Copy locale, keymap, timezone, root password\n" | |
703 | " --setup-machine-id Generate a new random machine ID\n" | |
704 | "\nSee the %s for details.\n" | |
705 | , program_invocation_short_name | |
706 | , link | |
707 | ); | |
708 | ||
709 | return 0; | |
710 | } | |
711 | ||
712 | static int parse_argv(int argc, char *argv[]) { | |
713 | ||
714 | enum { | |
715 | ARG_VERSION = 0x100, | |
716 | ARG_ROOT, | |
717 | ARG_LOCALE, | |
718 | ARG_LOCALE_MESSAGES, | |
719 | ARG_KEYMAP, | |
720 | ARG_TIMEZONE, | |
721 | ARG_HOSTNAME, | |
722 | ARG_MACHINE_ID, | |
723 | ARG_ROOT_PASSWORD, | |
724 | ARG_ROOT_PASSWORD_FILE, | |
725 | ARG_PROMPT, | |
726 | ARG_PROMPT_LOCALE, | |
727 | ARG_PROMPT_KEYMAP, | |
728 | ARG_PROMPT_TIMEZONE, | |
729 | ARG_PROMPT_HOSTNAME, | |
730 | ARG_PROMPT_ROOT_PASSWORD, | |
731 | ARG_COPY, | |
732 | ARG_COPY_LOCALE, | |
733 | ARG_COPY_KEYMAP, | |
734 | ARG_COPY_TIMEZONE, | |
735 | ARG_COPY_ROOT_PASSWORD, | |
736 | ARG_SETUP_MACHINE_ID, | |
737 | }; | |
738 | ||
739 | static const struct option options[] = { | |
740 | { "help", no_argument, NULL, 'h' }, | |
741 | { "version", no_argument, NULL, ARG_VERSION }, | |
742 | { "root", required_argument, NULL, ARG_ROOT }, | |
743 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
744 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
745 | { "keymap", required_argument, NULL, ARG_KEYMAP }, | |
746 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, | |
747 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
748 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
749 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
750 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
751 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
752 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
753 | { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP }, | |
754 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, | |
755 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
756 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
757 | { "copy", no_argument, NULL, ARG_COPY }, | |
758 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
759 | { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP }, | |
760 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, | |
761 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
762 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
763 | {} | |
764 | }; | |
765 | ||
766 | int r, c; | |
767 | ||
768 | assert(argc >= 0); | |
769 | assert(argv); | |
770 | ||
771 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) | |
772 | ||
773 | switch (c) { | |
774 | ||
775 | case 'h': | |
776 | return help(); | |
777 | ||
778 | case ARG_VERSION: | |
779 | return version(); | |
780 | ||
781 | case ARG_ROOT: | |
782 | r = parse_path_argument_and_warn(optarg, true, &arg_root); | |
783 | if (r < 0) | |
784 | return r; | |
785 | break; | |
786 | ||
787 | case ARG_LOCALE: | |
788 | if (!locale_is_valid(optarg)) | |
789 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
790 | "Locale %s is not valid.", optarg); | |
791 | ||
792 | r = free_and_strdup(&arg_locale, optarg); | |
793 | if (r < 0) | |
794 | return log_oom(); | |
795 | ||
796 | break; | |
797 | ||
798 | case ARG_LOCALE_MESSAGES: | |
799 | if (!locale_is_valid(optarg)) | |
800 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
801 | "Locale %s is not valid.", optarg); | |
802 | ||
803 | r = free_and_strdup(&arg_locale_messages, optarg); | |
804 | if (r < 0) | |
805 | return log_oom(); | |
806 | ||
807 | break; | |
808 | ||
809 | case ARG_KEYMAP: | |
810 | if (!keymap_is_valid(optarg)) | |
811 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
812 | "Keymap %s is not valid.", optarg); | |
813 | ||
814 | r = free_and_strdup(&arg_keymap, optarg); | |
815 | if (r < 0) | |
816 | return log_oom(); | |
817 | ||
818 | break; | |
819 | ||
820 | case ARG_TIMEZONE: | |
821 | if (!timezone_is_valid(optarg, LOG_ERR)) | |
822 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
823 | "Timezone %s is not valid.", optarg); | |
824 | ||
825 | r = free_and_strdup(&arg_timezone, optarg); | |
826 | if (r < 0) | |
827 | return log_oom(); | |
828 | ||
829 | break; | |
830 | ||
831 | case ARG_ROOT_PASSWORD: | |
832 | r = free_and_strdup(&arg_root_password, optarg); | |
833 | if (r < 0) | |
834 | return log_oom(); | |
835 | break; | |
836 | ||
837 | case ARG_ROOT_PASSWORD_FILE: | |
838 | arg_root_password = mfree(arg_root_password); | |
839 | ||
840 | r = read_one_line_file(optarg, &arg_root_password); | |
841 | if (r < 0) | |
842 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
843 | ||
844 | break; | |
845 | ||
846 | case ARG_HOSTNAME: | |
847 | if (!hostname_is_valid(optarg, true)) | |
848 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
849 | "Host name %s is not valid.", optarg); | |
850 | ||
851 | hostname_cleanup(optarg); | |
852 | r = free_and_strdup(&arg_hostname, optarg); | |
853 | if (r < 0) | |
854 | return log_oom(); | |
855 | ||
856 | break; | |
857 | ||
858 | case ARG_MACHINE_ID: | |
859 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) | |
860 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
861 | "Failed to parse machine id %s.", optarg); | |
862 | ||
863 | break; | |
864 | ||
865 | case ARG_PROMPT: | |
866 | arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; | |
867 | break; | |
868 | ||
869 | case ARG_PROMPT_LOCALE: | |
870 | arg_prompt_locale = true; | |
871 | break; | |
872 | ||
873 | case ARG_PROMPT_KEYMAP: | |
874 | arg_prompt_keymap = true; | |
875 | break; | |
876 | ||
877 | case ARG_PROMPT_TIMEZONE: | |
878 | arg_prompt_timezone = true; | |
879 | break; | |
880 | ||
881 | case ARG_PROMPT_HOSTNAME: | |
882 | arg_prompt_hostname = true; | |
883 | break; | |
884 | ||
885 | case ARG_PROMPT_ROOT_PASSWORD: | |
886 | arg_prompt_root_password = true; | |
887 | break; | |
888 | ||
889 | case ARG_COPY: | |
890 | arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true; | |
891 | break; | |
892 | ||
893 | case ARG_COPY_LOCALE: | |
894 | arg_copy_locale = true; | |
895 | break; | |
896 | ||
897 | case ARG_COPY_KEYMAP: | |
898 | arg_copy_keymap = true; | |
899 | break; | |
900 | ||
901 | case ARG_COPY_TIMEZONE: | |
902 | arg_copy_timezone = true; | |
903 | break; | |
904 | ||
905 | case ARG_COPY_ROOT_PASSWORD: | |
906 | arg_copy_root_password = true; | |
907 | break; | |
908 | ||
909 | case ARG_SETUP_MACHINE_ID: | |
910 | ||
911 | r = sd_id128_randomize(&arg_machine_id); | |
912 | if (r < 0) | |
913 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
914 | ||
915 | break; | |
916 | ||
917 | case '?': | |
918 | return -EINVAL; | |
919 | ||
920 | default: | |
921 | assert_not_reached("Unhandled option"); | |
922 | } | |
923 | ||
924 | return 1; | |
925 | } | |
926 | ||
927 | static int run(int argc, char *argv[]) { | |
928 | bool enabled; | |
929 | int r; | |
930 | ||
931 | r = parse_argv(argc, argv); | |
932 | if (r <= 0) | |
933 | return r; | |
934 | ||
935 | log_setup_service(); | |
936 | ||
937 | umask(0022); | |
938 | ||
939 | r = proc_cmdline_get_bool("systemd.firstboot", &enabled); | |
940 | if (r < 0) | |
941 | return log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring: %m"); | |
942 | if (r > 0 && !enabled) | |
943 | return 0; /* disabled */ | |
944 | ||
945 | r = process_locale(); | |
946 | if (r < 0) | |
947 | return r; | |
948 | ||
949 | r = process_keymap(); | |
950 | if (r < 0) | |
951 | return r; | |
952 | ||
953 | r = process_timezone(); | |
954 | if (r < 0) | |
955 | return r; | |
956 | ||
957 | r = process_hostname(); | |
958 | if (r < 0) | |
959 | return r; | |
960 | ||
961 | r = process_machine_id(); | |
962 | if (r < 0) | |
963 | return r; | |
964 | ||
965 | r = process_root_password(); | |
966 | if (r < 0) | |
967 | return r; | |
968 | ||
969 | return 0; | |
970 | } | |
971 | ||
972 | DEFINE_MAIN_FUNCTION(run); |