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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
418b9be5 LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2014 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
418b9be5 | 21 | #include <fcntl.h> |
418b9be5 LP |
22 | #include <getopt.h> |
23 | #include <shadow.h> | |
3f6fd1ba | 24 | #include <unistd.h> |
418b9be5 | 25 | |
b5efdb8a | 26 | #include "alloc-util.h" |
3f6fd1ba | 27 | #include "ask-password-api.h" |
418b9be5 | 28 | #include "copy.h" |
6bedfcbb | 29 | #include "fd-util.h" |
3f6fd1ba | 30 | #include "fileio.h" |
f4f15635 | 31 | #include "fs-util.h" |
3f6fd1ba LP |
32 | #include "hostname-util.h" |
33 | #include "locale-util.h" | |
418b9be5 | 34 | #include "mkdir.h" |
6bedfcbb | 35 | #include "parse-util.h" |
418b9be5 | 36 | #include "path-util.h" |
f582cbca | 37 | #include "proc-cmdline.h" |
3df3e884 | 38 | #include "random-util.h" |
6bedfcbb | 39 | #include "string-util.h" |
3f6fd1ba | 40 | #include "strv.h" |
288a74cc | 41 | #include "terminal-util.h" |
3f6fd1ba | 42 | #include "time-util.h" |
affb60b1 | 43 | #include "umask-util.h" |
e929bee0 | 44 | #include "user-util.h" |
418b9be5 LP |
45 | |
46 | static char *arg_root = NULL; | |
47 | static char *arg_locale = NULL; /* $LANG */ | |
ed457f13 | 48 | static char *arg_keymap = NULL; |
418b9be5 LP |
49 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ |
50 | static char *arg_timezone = NULL; | |
51 | static char *arg_hostname = NULL; | |
52 | static sd_id128_t arg_machine_id = {}; | |
53 | static char *arg_root_password = NULL; | |
54 | static bool arg_prompt_locale = false; | |
ed457f13 | 55 | static bool arg_prompt_keymap = false; |
418b9be5 LP |
56 | static bool arg_prompt_timezone = false; |
57 | static bool arg_prompt_hostname = false; | |
58 | static bool arg_prompt_root_password = false; | |
59 | static bool arg_copy_locale = false; | |
ed457f13 | 60 | static bool arg_copy_keymap = false; |
418b9be5 LP |
61 | static bool arg_copy_timezone = false; |
62 | static bool arg_copy_root_password = false; | |
63 | ||
418b9be5 LP |
64 | static 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 | ||
94956f8f | 71 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
72 | |
73 | if (need_nl) | |
74 | putchar('\n'); | |
75 | ||
76 | return k != 'q'; | |
77 | } | |
78 | ||
79 | static 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 | ||
1d13f648 | 88 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
418b9be5 LP |
89 | r = parse_env_file(os_release, NEWLINE, |
90 | "PRETTY_NAME", &pretty_name, | |
91 | NULL); | |
92 | if (r == -ENOENT) { | |
93 | ||
1d13f648 | 94 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
418b9be5 LP |
95 | r = parse_env_file(os_release, NEWLINE, |
96 | "PRETTY_NAME", &pretty_name, | |
97 | NULL); | |
98 | } | |
99 | ||
100 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 101 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
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 | ||
111 | static 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 | ||
157 | static 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 | ||
323b7dc9 | 168 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(TRIANGULAR_BULLET), text); |
23bbb0de MS |
169 | if (r < 0) |
170 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
171 | |
172 | if (isempty(p)) { | |
173 | log_warning("No data entered, skipping."); | |
174 | return 0; | |
175 | } | |
176 | ||
177 | r = safe_atou(p, &u); | |
178 | if (r >= 0) { | |
179 | char *c; | |
180 | ||
181 | if (u <= 0 || u > strv_length(l)) { | |
182 | log_error("Specified entry number out of range."); | |
183 | continue; | |
184 | } | |
185 | ||
186 | log_info("Selected '%s'.", l[u-1]); | |
187 | ||
188 | c = strdup(l[u-1]); | |
189 | if (!c) | |
190 | return log_oom(); | |
191 | ||
192 | free(*ret); | |
193 | *ret = c; | |
194 | return 0; | |
195 | } | |
196 | ||
197 | if (!is_valid(p)) { | |
198 | log_error("Entered data invalid."); | |
199 | continue; | |
200 | } | |
201 | ||
202 | free(*ret); | |
203 | *ret = p; | |
204 | p = 0; | |
205 | return 0; | |
206 | } | |
207 | } | |
208 | ||
209 | static int prompt_locale(void) { | |
210 | _cleanup_strv_free_ char **locales = NULL; | |
211 | int r; | |
212 | ||
213 | if (arg_locale || arg_locale_messages) | |
214 | return 0; | |
215 | ||
216 | if (!arg_prompt_locale) | |
217 | return 0; | |
218 | ||
219 | r = get_locales(&locales); | |
23bbb0de MS |
220 | if (r < 0) |
221 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
222 | |
223 | print_welcome(); | |
224 | ||
225 | printf("\nAvailable Locales:\n\n"); | |
226 | r = show_menu(locales, 3, 22, 60); | |
227 | if (r < 0) | |
228 | return r; | |
229 | ||
230 | putchar('\n'); | |
231 | ||
232 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
233 | if (r < 0) | |
234 | return r; | |
235 | ||
236 | if (isempty(arg_locale)) | |
237 | return 0; | |
238 | ||
239 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
240 | if (r < 0) | |
241 | return r; | |
242 | ||
243 | return 0; | |
244 | } | |
245 | ||
246 | static int process_locale(void) { | |
247 | const char *etc_localeconf; | |
248 | char* locales[3]; | |
249 | unsigned i = 0; | |
250 | int r; | |
251 | ||
1d13f648 | 252 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
b3cd687d | 253 | if (laccess(etc_localeconf, F_OK) >= 0) |
418b9be5 LP |
254 | return 0; |
255 | ||
256 | if (arg_copy_locale && arg_root) { | |
257 | ||
258 | mkdir_parents(etc_localeconf, 0755); | |
1c876927 | 259 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, COPY_REFLINK); |
418b9be5 | 260 | if (r != -ENOENT) { |
23bbb0de MS |
261 | if (r < 0) |
262 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
263 | |
264 | log_info("%s copied.", etc_localeconf); | |
265 | return 0; | |
266 | } | |
267 | } | |
268 | ||
269 | r = prompt_locale(); | |
270 | if (r < 0) | |
271 | return r; | |
272 | ||
273 | if (!isempty(arg_locale)) | |
63c372cb | 274 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 275 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 276 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
277 | |
278 | if (i == 0) | |
279 | return 0; | |
280 | ||
281 | locales[i] = NULL; | |
282 | ||
283 | mkdir_parents(etc_localeconf, 0755); | |
284 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
285 | if (r < 0) |
286 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
287 | |
288 | log_info("%s written.", etc_localeconf); | |
289 | return 0; | |
290 | } | |
291 | ||
ed457f13 TB |
292 | static int prompt_keymap(void) { |
293 | _cleanup_strv_free_ char **kmaps = NULL; | |
294 | int r; | |
295 | ||
296 | if (arg_keymap) | |
297 | return 0; | |
298 | ||
299 | if (!arg_prompt_keymap) | |
300 | return 0; | |
301 | ||
302 | r = get_keymaps(&kmaps); | |
303 | if (r == -ENOENT) /* no keymaps installed */ | |
304 | return r; | |
305 | if (r < 0) | |
306 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
307 | ||
308 | print_welcome(); | |
309 | ||
310 | printf("\nAvailable keymaps:\n\n"); | |
311 | r = show_menu(kmaps, 3, 22, 60); | |
312 | if (r < 0) | |
313 | return r; | |
314 | ||
315 | putchar('\n'); | |
316 | ||
8700b4da ZJS |
317 | return prompt_loop("Please enter system keymap name or number", |
318 | kmaps, keymap_is_valid, &arg_keymap); | |
ed457f13 TB |
319 | } |
320 | ||
321 | static int process_keymap(void) { | |
322 | const char *etc_vconsoleconf; | |
323 | char **keymap; | |
324 | int r; | |
325 | ||
326 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
327 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
328 | return 0; | |
329 | ||
330 | if (arg_copy_keymap && arg_root) { | |
331 | ||
332 | mkdir_parents(etc_vconsoleconf, 0755); | |
333 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, COPY_REFLINK); | |
334 | if (r != -ENOENT) { | |
335 | if (r < 0) | |
336 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
337 | ||
338 | log_info("%s copied.", etc_vconsoleconf); | |
339 | return 0; | |
340 | } | |
341 | } | |
342 | ||
343 | r = prompt_keymap(); | |
344 | if (r == -ENOENT) | |
345 | return 0; /* don't fail if no keymaps are installed */ | |
346 | if (r < 0) | |
347 | return r; | |
348 | ||
349 | if (!isempty(arg_keymap)) | |
350 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); | |
351 | ||
352 | if (!keymap) | |
353 | return 0; | |
354 | ||
355 | mkdir_parents(etc_vconsoleconf, 0755); | |
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 | ||
418b9be5 LP |
364 | static int prompt_timezone(void) { |
365 | _cleanup_strv_free_ char **zones = NULL; | |
366 | int r; | |
367 | ||
368 | if (arg_timezone) | |
369 | return 0; | |
370 | ||
371 | if (!arg_prompt_timezone) | |
372 | return 0; | |
373 | ||
374 | r = get_timezones(&zones); | |
23bbb0de MS |
375 | if (r < 0) |
376 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
377 | |
378 | print_welcome(); | |
379 | ||
380 | printf("\nAvailable Time Zones:\n\n"); | |
381 | r = show_menu(zones, 3, 22, 30); | |
382 | if (r < 0) | |
383 | return r; | |
384 | ||
385 | putchar('\n'); | |
386 | ||
387 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); | |
388 | if (r < 0) | |
389 | return r; | |
390 | ||
391 | return 0; | |
392 | } | |
393 | ||
394 | static int process_timezone(void) { | |
395 | const char *etc_localtime, *e; | |
396 | int r; | |
397 | ||
1d13f648 | 398 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
b3cd687d | 399 | if (laccess(etc_localtime, F_OK) >= 0) |
418b9be5 LP |
400 | return 0; |
401 | ||
402 | if (arg_copy_timezone && arg_root) { | |
403 | _cleanup_free_ char *p = NULL; | |
404 | ||
405 | r = readlink_malloc("/etc/localtime", &p); | |
406 | if (r != -ENOENT) { | |
23bbb0de MS |
407 | if (r < 0) |
408 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
409 | |
410 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
411 | if (symlink(p, etc_localtime) < 0) |
412 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
413 | |
414 | log_info("%s copied.", etc_localtime); | |
415 | return 0; | |
416 | } | |
417 | } | |
418 | ||
419 | r = prompt_timezone(); | |
420 | if (r < 0) | |
421 | return r; | |
422 | ||
423 | if (isempty(arg_timezone)) | |
424 | return 0; | |
425 | ||
63c372cb | 426 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
427 | |
428 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
429 | if (symlink(e, etc_localtime) < 0) |
430 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
431 | |
432 | log_info("%s written", etc_localtime); | |
433 | return 0; | |
434 | } | |
435 | ||
436 | static int prompt_hostname(void) { | |
437 | int r; | |
438 | ||
439 | if (arg_hostname) | |
440 | return 0; | |
441 | ||
442 | if (!arg_prompt_hostname) | |
443 | return 0; | |
444 | ||
445 | print_welcome(); | |
446 | putchar('\n'); | |
447 | ||
448 | for (;;) { | |
449 | _cleanup_free_ char *h = NULL; | |
450 | ||
323b7dc9 | 451 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(TRIANGULAR_BULLET)); |
23bbb0de MS |
452 | if (r < 0) |
453 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
454 | |
455 | if (isempty(h)) { | |
456 | log_warning("No hostname entered, skipping."); | |
457 | break; | |
458 | } | |
459 | ||
34ad6090 | 460 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
461 | log_error("Specified hostname invalid."); |
462 | continue; | |
463 | } | |
464 | ||
34ad6090 | 465 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 466 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
467 | h = NULL; |
468 | break; | |
469 | } | |
470 | ||
471 | return 0; | |
472 | } | |
473 | ||
474 | static int process_hostname(void) { | |
475 | const char *etc_hostname; | |
476 | int r; | |
477 | ||
1d13f648 | 478 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
b3cd687d | 479 | if (laccess(etc_hostname, F_OK) >= 0) |
418b9be5 LP |
480 | return 0; |
481 | ||
482 | r = prompt_hostname(); | |
483 | if (r < 0) | |
484 | return r; | |
485 | ||
486 | if (isempty(arg_hostname)) | |
487 | return 0; | |
488 | ||
489 | mkdir_parents(etc_hostname, 0755); | |
0675e94a AJ |
490 | r = write_string_file(etc_hostname, arg_hostname, |
491 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
492 | if (r < 0) |
493 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
494 | |
495 | log_info("%s written.", etc_hostname); | |
496 | return 0; | |
497 | } | |
498 | ||
499 | static int process_machine_id(void) { | |
500 | const char *etc_machine_id; | |
501 | char id[SD_ID128_STRING_MAX]; | |
502 | int r; | |
503 | ||
1d13f648 | 504 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
b3cd687d | 505 | if (laccess(etc_machine_id, F_OK) >= 0) |
418b9be5 LP |
506 | return 0; |
507 | ||
3bbaff3e | 508 | if (sd_id128_is_null(arg_machine_id)) |
418b9be5 LP |
509 | return 0; |
510 | ||
511 | mkdir_parents(etc_machine_id, 0755); | |
0675e94a AJ |
512 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), |
513 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
514 | if (r < 0) |
515 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
516 | |
517 | log_info("%s written.", etc_machine_id); | |
518 | return 0; | |
519 | } | |
520 | ||
521 | static int prompt_root_password(void) { | |
522 | const char *msg1, *msg2, *etc_shadow; | |
523 | int r; | |
524 | ||
525 | if (arg_root_password) | |
526 | return 0; | |
527 | ||
528 | if (!arg_prompt_root_password) | |
529 | return 0; | |
530 | ||
1d13f648 | 531 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 532 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
533 | return 0; |
534 | ||
535 | print_welcome(); | |
536 | putchar('\n'); | |
537 | ||
323b7dc9 ZJS |
538 | msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
539 | msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
540 | |
541 | for (;;) { | |
ab84f5b9 | 542 | _cleanup_string_free_erase_ char *a = NULL, *b = NULL; |
418b9be5 | 543 | |
e287086b | 544 | r = ask_password_tty(msg1, NULL, 0, 0, NULL, &a); |
23bbb0de MS |
545 | if (r < 0) |
546 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
547 | |
548 | if (isempty(a)) { | |
549 | log_warning("No password entered, skipping."); | |
550 | break; | |
551 | } | |
552 | ||
e287086b | 553 | r = ask_password_tty(msg2, NULL, 0, 0, NULL, &b); |
ab84f5b9 | 554 | if (r < 0) |
00843602 | 555 | return log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
556 | |
557 | if (!streq(a, b)) { | |
558 | log_error("Entered passwords did not match, please try again."); | |
418b9be5 LP |
559 | continue; |
560 | } | |
561 | ||
418b9be5 LP |
562 | arg_root_password = a; |
563 | a = NULL; | |
564 | break; | |
565 | } | |
566 | ||
567 | return 0; | |
568 | } | |
569 | ||
570 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
571 | _cleanup_fclose_ FILE *f = NULL; | |
572 | assert(path); | |
573 | assert(p); | |
574 | ||
3250929b LP |
575 | RUN_WITH_UMASK(0777) |
576 | f = fopen(path, "wex"); | |
418b9be5 LP |
577 | if (!f) |
578 | return -errno; | |
579 | ||
580 | errno = 0; | |
581 | if (putspent(p, f) != 0) | |
f5e5c28f | 582 | return errno > 0 ? -errno : -EIO; |
418b9be5 | 583 | |
0675e94a | 584 | return fflush_sync_and_check(f); |
418b9be5 LP |
585 | } |
586 | ||
587 | static int process_root_password(void) { | |
588 | ||
589 | static const char table[] = | |
590 | "abcdefghijklmnopqrstuvwxyz" | |
591 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
592 | "0123456789" | |
593 | "./"; | |
594 | ||
595 | struct spwd item = { | |
596 | .sp_namp = (char*) "root", | |
ad525df8 IS |
597 | .sp_min = -1, |
598 | .sp_max = -1, | |
599 | .sp_warn = -1, | |
418b9be5 LP |
600 | .sp_inact = -1, |
601 | .sp_expire = -1, | |
602 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
603 | }; | |
45035609 LP |
604 | |
605 | _cleanup_close_ int lock = -1; | |
418b9be5 LP |
606 | char salt[3+16+1+1]; |
607 | uint8_t raw[16]; | |
608 | unsigned i; | |
609 | char *j; | |
610 | ||
611 | const char *etc_shadow; | |
612 | int r; | |
613 | ||
1d13f648 | 614 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 615 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
616 | return 0; |
617 | ||
45035609 LP |
618 | mkdir_parents(etc_shadow, 0755); |
619 | ||
e929bee0 | 620 | lock = take_etc_passwd_lock(arg_root); |
45035609 | 621 | if (lock < 0) |
db260eed | 622 | return log_error_errno(lock, "Failed to take a lock: %m"); |
45035609 | 623 | |
418b9be5 LP |
624 | if (arg_copy_root_password && arg_root) { |
625 | struct spwd *p; | |
626 | ||
627 | errno = 0; | |
628 | p = getspnam("root"); | |
629 | if (p || errno != ENOENT) { | |
630 | if (!p) { | |
631 | if (!errno) | |
632 | errno = EIO; | |
633 | ||
e1427b13 | 634 | return log_error_errno(errno, "Failed to find shadow entry for root: %m"); |
418b9be5 LP |
635 | } |
636 | ||
637 | r = write_root_shadow(etc_shadow, p); | |
23bbb0de MS |
638 | if (r < 0) |
639 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
640 | |
641 | log_info("%s copied.", etc_shadow); | |
642 | return 0; | |
643 | } | |
644 | } | |
645 | ||
646 | r = prompt_root_password(); | |
647 | if (r < 0) | |
648 | return r; | |
649 | ||
650 | if (!arg_root_password) | |
651 | return 0; | |
652 | ||
f0d09059 | 653 | r = acquire_random_bytes(raw, 16, true); |
23bbb0de MS |
654 | if (r < 0) |
655 | return log_error_errno(r, "Failed to get salt: %m"); | |
418b9be5 LP |
656 | |
657 | /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ | |
658 | assert_cc(sizeof(table) == 64 + 1); | |
659 | j = stpcpy(salt, "$6$"); | |
660 | for (i = 0; i < 16; i++) | |
661 | j[i] = table[raw[i] & 63]; | |
662 | j[i++] = '$'; | |
663 | j[i] = 0; | |
664 | ||
665 | errno = 0; | |
666 | item.sp_pwdp = crypt(arg_root_password, salt); | |
667 | if (!item.sp_pwdp) { | |
668 | if (!errno) | |
4546c341 | 669 | errno = EINVAL; |
418b9be5 | 670 | |
e1427b13 | 671 | return log_error_errno(errno, "Failed to encrypt password: %m"); |
418b9be5 LP |
672 | } |
673 | ||
674 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
675 | ||
676 | r = write_root_shadow(etc_shadow, &item); | |
23bbb0de MS |
677 | if (r < 0) |
678 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
679 | |
680 | log_info("%s written.", etc_shadow); | |
681 | return 0; | |
682 | } | |
683 | ||
601185b4 | 684 | static void help(void) { |
418b9be5 LP |
685 | printf("%s [OPTIONS...]\n\n" |
686 | "Configures basic settings of the system.\n\n" | |
687 | " -h --help Show this help\n" | |
688 | " --version Show package version\n" | |
689 | " --root=PATH Operate on an alternate filesystem root\n" | |
690 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
691 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
ed457f13 | 692 | " --keymap=KEYMAP Set keymap\n" |
418b9be5 LP |
693 | " --timezone=TIMEZONE Set timezone\n" |
694 | " --hostname=NAME Set host name\n" | |
695 | " --machine-ID=ID Set machine ID\n" | |
696 | " --root-password=PASSWORD Set root password\n" | |
697 | " --root-password-file=FILE Set root password from file\n" | |
698 | " --prompt-locale Prompt the user for locale settings\n" | |
ed457f13 | 699 | " --prompt-keymap Prompt the user for keymap settings\n" |
418b9be5 LP |
700 | " --prompt-timezone Prompt the user for timezone\n" |
701 | " --prompt-hostname Prompt the user for hostname\n" | |
702 | " --prompt-root-password Prompt the user for root password\n" | |
b57b0625 | 703 | " --prompt Prompt for all of the above\n" |
418b9be5 | 704 | " --copy-locale Copy locale from host\n" |
ed457f13 | 705 | " --copy-keymap Copy keymap from host\n" |
418b9be5 LP |
706 | " --copy-timezone Copy timezone from host\n" |
707 | " --copy-root-password Copy root password from host\n" | |
ed457f13 | 708 | " --copy Copy locale, keymap, timezone, root password\n" |
601185b4 ZJS |
709 | " --setup-machine-id Generate a new random machine ID\n" |
710 | , program_invocation_short_name); | |
418b9be5 LP |
711 | } |
712 | ||
713 | static int parse_argv(int argc, char *argv[]) { | |
714 | ||
715 | enum { | |
716 | ARG_VERSION = 0x100, | |
717 | ARG_ROOT, | |
718 | ARG_LOCALE, | |
719 | ARG_LOCALE_MESSAGES, | |
ed457f13 | 720 | ARG_KEYMAP, |
418b9be5 LP |
721 | ARG_TIMEZONE, |
722 | ARG_HOSTNAME, | |
723 | ARG_MACHINE_ID, | |
724 | ARG_ROOT_PASSWORD, | |
725 | ARG_ROOT_PASSWORD_FILE, | |
726 | ARG_PROMPT, | |
727 | ARG_PROMPT_LOCALE, | |
ed457f13 | 728 | ARG_PROMPT_KEYMAP, |
418b9be5 LP |
729 | ARG_PROMPT_TIMEZONE, |
730 | ARG_PROMPT_HOSTNAME, | |
731 | ARG_PROMPT_ROOT_PASSWORD, | |
732 | ARG_COPY, | |
733 | ARG_COPY_LOCALE, | |
ed457f13 | 734 | ARG_COPY_KEYMAP, |
418b9be5 LP |
735 | ARG_COPY_TIMEZONE, |
736 | ARG_COPY_ROOT_PASSWORD, | |
737 | ARG_SETUP_MACHINE_ID, | |
738 | }; | |
739 | ||
740 | static const struct option options[] = { | |
741 | { "help", no_argument, NULL, 'h' }, | |
742 | { "version", no_argument, NULL, ARG_VERSION }, | |
743 | { "root", required_argument, NULL, ARG_ROOT }, | |
744 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
745 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
ed457f13 | 746 | { "keymap", required_argument, NULL, ARG_KEYMAP }, |
418b9be5 LP |
747 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, |
748 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
749 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
750 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
751 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
752 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
753 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
ed457f13 | 754 | { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP }, |
418b9be5 LP |
755 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, |
756 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
757 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
758 | { "copy", no_argument, NULL, ARG_COPY }, | |
759 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
ed457f13 | 760 | { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP }, |
418b9be5 LP |
761 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, |
762 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
763 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
764 | {} | |
765 | }; | |
766 | ||
767 | int r, c; | |
768 | ||
769 | assert(argc >= 0); | |
770 | assert(argv); | |
771 | ||
601185b4 | 772 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
418b9be5 LP |
773 | |
774 | switch (c) { | |
775 | ||
776 | case 'h': | |
601185b4 ZJS |
777 | help(); |
778 | return 0; | |
418b9be5 LP |
779 | |
780 | case ARG_VERSION: | |
3f6fd1ba | 781 | return version(); |
418b9be5 LP |
782 | |
783 | case ARG_ROOT: | |
0f03c2a4 | 784 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
0f474365 | 785 | if (r < 0) |
0f03c2a4 | 786 | return r; |
418b9be5 LP |
787 | break; |
788 | ||
789 | case ARG_LOCALE: | |
790 | if (!locale_is_valid(optarg)) { | |
791 | log_error("Locale %s is not valid.", optarg); | |
792 | return -EINVAL; | |
793 | } | |
794 | ||
2fc09a9c DM |
795 | r = free_and_strdup(&arg_locale, optarg); |
796 | if (r < 0) | |
418b9be5 LP |
797 | return log_oom(); |
798 | ||
799 | break; | |
800 | ||
801 | case ARG_LOCALE_MESSAGES: | |
802 | if (!locale_is_valid(optarg)) { | |
803 | log_error("Locale %s is not valid.", optarg); | |
804 | return -EINVAL; | |
805 | } | |
806 | ||
2fc09a9c DM |
807 | r = free_and_strdup(&arg_locale_messages, optarg); |
808 | if (r < 0) | |
418b9be5 LP |
809 | return log_oom(); |
810 | ||
811 | break; | |
812 | ||
ed457f13 TB |
813 | case ARG_KEYMAP: |
814 | if (!keymap_is_valid(optarg)) { | |
815 | log_error("Keymap %s is not valid.", optarg); | |
816 | return -EINVAL; | |
817 | } | |
818 | ||
819 | r = free_and_strdup(&arg_keymap, optarg); | |
820 | if (r < 0) | |
821 | return log_oom(); | |
822 | ||
823 | break; | |
824 | ||
418b9be5 LP |
825 | case ARG_TIMEZONE: |
826 | if (!timezone_is_valid(optarg)) { | |
827 | log_error("Timezone %s is not valid.", optarg); | |
828 | return -EINVAL; | |
829 | } | |
830 | ||
2fc09a9c DM |
831 | r = free_and_strdup(&arg_timezone, optarg); |
832 | if (r < 0) | |
418b9be5 LP |
833 | return log_oom(); |
834 | ||
835 | break; | |
836 | ||
837 | case ARG_ROOT_PASSWORD: | |
2fc09a9c DM |
838 | r = free_and_strdup(&arg_root_password, optarg); |
839 | if (r < 0) | |
418b9be5 | 840 | return log_oom(); |
418b9be5 LP |
841 | break; |
842 | ||
843 | case ARG_ROOT_PASSWORD_FILE: | |
0da16248 | 844 | arg_root_password = mfree(arg_root_password); |
418b9be5 LP |
845 | |
846 | r = read_one_line_file(optarg, &arg_root_password); | |
23bbb0de MS |
847 | if (r < 0) |
848 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
418b9be5 LP |
849 | |
850 | break; | |
851 | ||
852 | case ARG_HOSTNAME: | |
34ad6090 | 853 | if (!hostname_is_valid(optarg, true)) { |
418b9be5 LP |
854 | log_error("Host name %s is not valid.", optarg); |
855 | return -EINVAL; | |
856 | } | |
857 | ||
ae691c1d | 858 | hostname_cleanup(optarg); |
2fc09a9c DM |
859 | r = free_and_strdup(&arg_hostname, optarg); |
860 | if (r < 0) | |
418b9be5 LP |
861 | return log_oom(); |
862 | ||
863 | break; | |
864 | ||
865 | case ARG_MACHINE_ID: | |
866 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { | |
867 | log_error("Failed to parse machine id %s.", optarg); | |
868 | return -EINVAL; | |
869 | } | |
870 | ||
871 | break; | |
872 | ||
873 | case ARG_PROMPT: | |
ed457f13 | 874 | arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; |
418b9be5 LP |
875 | break; |
876 | ||
877 | case ARG_PROMPT_LOCALE: | |
878 | arg_prompt_locale = true; | |
879 | break; | |
880 | ||
ed457f13 TB |
881 | case ARG_PROMPT_KEYMAP: |
882 | arg_prompt_keymap = true; | |
883 | break; | |
884 | ||
418b9be5 LP |
885 | case ARG_PROMPT_TIMEZONE: |
886 | arg_prompt_timezone = true; | |
887 | break; | |
888 | ||
889 | case ARG_PROMPT_HOSTNAME: | |
890 | arg_prompt_hostname = true; | |
891 | break; | |
892 | ||
893 | case ARG_PROMPT_ROOT_PASSWORD: | |
894 | arg_prompt_root_password = true; | |
895 | break; | |
896 | ||
897 | case ARG_COPY: | |
ed457f13 | 898 | arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true; |
e926f647 | 899 | break; |
418b9be5 LP |
900 | |
901 | case ARG_COPY_LOCALE: | |
902 | arg_copy_locale = true; | |
903 | break; | |
904 | ||
ed457f13 TB |
905 | case ARG_COPY_KEYMAP: |
906 | arg_copy_keymap = true; | |
907 | break; | |
908 | ||
418b9be5 LP |
909 | case ARG_COPY_TIMEZONE: |
910 | arg_copy_timezone = true; | |
911 | break; | |
912 | ||
913 | case ARG_COPY_ROOT_PASSWORD: | |
914 | arg_copy_root_password = true; | |
915 | break; | |
916 | ||
917 | case ARG_SETUP_MACHINE_ID: | |
918 | ||
919 | r = sd_id128_randomize(&arg_machine_id); | |
23bbb0de MS |
920 | if (r < 0) |
921 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
418b9be5 LP |
922 | |
923 | break; | |
924 | ||
925 | case '?': | |
926 | return -EINVAL; | |
927 | ||
928 | default: | |
929 | assert_not_reached("Unhandled option"); | |
930 | } | |
418b9be5 LP |
931 | |
932 | return 1; | |
933 | } | |
934 | ||
935 | int main(int argc, char *argv[]) { | |
1d84ad94 | 936 | bool enabled; |
418b9be5 LP |
937 | int r; |
938 | ||
939 | r = parse_argv(argc, argv); | |
940 | if (r <= 0) | |
941 | goto finish; | |
942 | ||
943 | log_set_target(LOG_TARGET_AUTO); | |
944 | log_parse_environment(); | |
945 | log_open(); | |
946 | ||
947 | umask(0022); | |
948 | ||
1d84ad94 LP |
949 | r = proc_cmdline_get_bool("systemd.firstboot", &enabled); |
950 | if (r < 0) { | |
951 | log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring."); | |
952 | goto finish; | |
953 | } | |
954 | if (r > 0 && !enabled) { | |
955 | r = 0; /* disabled */ | |
956 | goto finish; | |
f582cbca LP |
957 | } |
958 | ||
418b9be5 LP |
959 | r = process_locale(); |
960 | if (r < 0) | |
961 | goto finish; | |
962 | ||
ed457f13 TB |
963 | r = process_keymap(); |
964 | if (r < 0) | |
965 | goto finish; | |
966 | ||
418b9be5 LP |
967 | r = process_timezone(); |
968 | if (r < 0) | |
969 | goto finish; | |
970 | ||
971 | r = process_hostname(); | |
972 | if (r < 0) | |
973 | goto finish; | |
974 | ||
975 | r = process_machine_id(); | |
976 | if (r < 0) | |
977 | goto finish; | |
978 | ||
979 | r = process_root_password(); | |
980 | if (r < 0) | |
981 | goto finish; | |
982 | ||
983 | finish: | |
984 | free(arg_root); | |
985 | free(arg_locale); | |
986 | free(arg_locale_messages); | |
ed457f13 | 987 | free(arg_keymap); |
418b9be5 LP |
988 | free(arg_timezone); |
989 | free(arg_hostname); | |
1602b008 | 990 | string_erase(arg_root_password); |
418b9be5 LP |
991 | free(arg_root_password); |
992 | ||
993 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
994 | } |