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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 | |
9f555bba BE |
26 | #ifdef HAVE_CRYPT_H |
27 | /* libxcrypt is a replacement for glibc's libcrypt, and libcrypt might be | |
28 | * removed from glibc at some point. As part of the removal, defines for | |
29 | * crypt(3) are dropped from unistd.h, and we must include crypt.h instead. | |
30 | * | |
31 | * Newer versions of glibc (v2.0+) already ship crypt.h with a definition | |
32 | * of crypt(3) as well, so we simply include it if it is present. MariaDB, | |
33 | * MySQL, PostgreSQL, Perl and some other wide-spread packages do it the | |
34 | * same way since ages without any problems. | |
35 | */ | |
36 | # include <crypt.h> | |
37 | #endif | |
38 | ||
dccca82b LP |
39 | #include "sd-id128.h" |
40 | ||
b5efdb8a | 41 | #include "alloc-util.h" |
3f6fd1ba | 42 | #include "ask-password-api.h" |
418b9be5 | 43 | #include "copy.h" |
6bedfcbb | 44 | #include "fd-util.h" |
3f6fd1ba | 45 | #include "fileio.h" |
f4f15635 | 46 | #include "fs-util.h" |
3f6fd1ba LP |
47 | #include "hostname-util.h" |
48 | #include "locale-util.h" | |
418b9be5 | 49 | #include "mkdir.h" |
6bedfcbb | 50 | #include "parse-util.h" |
418b9be5 | 51 | #include "path-util.h" |
f582cbca | 52 | #include "proc-cmdline.h" |
3df3e884 | 53 | #include "random-util.h" |
6bedfcbb | 54 | #include "string-util.h" |
3f6fd1ba | 55 | #include "strv.h" |
288a74cc | 56 | #include "terminal-util.h" |
3f6fd1ba | 57 | #include "time-util.h" |
affb60b1 | 58 | #include "umask-util.h" |
e929bee0 | 59 | #include "user-util.h" |
418b9be5 LP |
60 | |
61 | static char *arg_root = NULL; | |
62 | static char *arg_locale = NULL; /* $LANG */ | |
ed457f13 | 63 | static char *arg_keymap = NULL; |
418b9be5 LP |
64 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ |
65 | static char *arg_timezone = NULL; | |
66 | static char *arg_hostname = NULL; | |
67 | static sd_id128_t arg_machine_id = {}; | |
68 | static char *arg_root_password = NULL; | |
69 | static bool arg_prompt_locale = false; | |
ed457f13 | 70 | static bool arg_prompt_keymap = false; |
418b9be5 LP |
71 | static bool arg_prompt_timezone = false; |
72 | static bool arg_prompt_hostname = false; | |
73 | static bool arg_prompt_root_password = false; | |
74 | static bool arg_copy_locale = false; | |
ed457f13 | 75 | static bool arg_copy_keymap = false; |
418b9be5 LP |
76 | static bool arg_copy_timezone = false; |
77 | static bool arg_copy_root_password = false; | |
78 | ||
418b9be5 LP |
79 | static bool press_any_key(void) { |
80 | char k = 0; | |
81 | bool need_nl = true; | |
82 | ||
83 | printf("-- Press any key to proceed --"); | |
84 | fflush(stdout); | |
85 | ||
94956f8f | 86 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
87 | |
88 | if (need_nl) | |
89 | putchar('\n'); | |
90 | ||
91 | return k != 'q'; | |
92 | } | |
93 | ||
94 | static void print_welcome(void) { | |
95 | _cleanup_free_ char *pretty_name = NULL; | |
96 | const char *os_release = NULL; | |
97 | static bool done = false; | |
98 | int r; | |
99 | ||
100 | if (done) | |
101 | return; | |
102 | ||
1d13f648 | 103 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
418b9be5 LP |
104 | r = parse_env_file(os_release, NEWLINE, |
105 | "PRETTY_NAME", &pretty_name, | |
106 | NULL); | |
107 | if (r == -ENOENT) { | |
108 | ||
1d13f648 | 109 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
418b9be5 LP |
110 | r = parse_env_file(os_release, NEWLINE, |
111 | "PRETTY_NAME", &pretty_name, | |
112 | NULL); | |
113 | } | |
114 | ||
115 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 116 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
117 | |
118 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
119 | isempty(pretty_name) ? "Linux" : pretty_name); | |
120 | ||
121 | press_any_key(); | |
122 | ||
123 | done = true; | |
124 | } | |
125 | ||
126 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
127 | unsigned n, per_column, i, j; | |
128 | unsigned break_lines, break_modulo; | |
129 | ||
130 | assert(n_columns > 0); | |
131 | ||
132 | n = strv_length(x); | |
be6b0c21 | 133 | per_column = DIV_ROUND_UP(n, n_columns); |
418b9be5 LP |
134 | |
135 | break_lines = lines(); | |
136 | if (break_lines > 2) | |
137 | break_lines--; | |
138 | ||
139 | /* The first page gets two extra lines, since we want to show | |
140 | * a title */ | |
141 | break_modulo = break_lines; | |
142 | if (break_modulo > 3) | |
143 | break_modulo -= 3; | |
144 | ||
145 | for (i = 0; i < per_column; i++) { | |
146 | ||
147 | for (j = 0; j < n_columns; j ++) { | |
148 | _cleanup_free_ char *e = NULL; | |
149 | ||
150 | if (j * per_column + i >= n) | |
151 | break; | |
152 | ||
153 | e = ellipsize(x[j * per_column + i], width, percentage); | |
154 | if (!e) | |
155 | return log_oom(); | |
156 | ||
157 | printf("%4u) %-*s", j * per_column + i + 1, width, e); | |
158 | } | |
159 | ||
160 | putchar('\n'); | |
161 | ||
162 | /* on the first screen we reserve 2 extra lines for the title */ | |
163 | if (i % break_lines == break_modulo) { | |
164 | if (!press_any_key()) | |
165 | return 0; | |
166 | } | |
167 | } | |
168 | ||
169 | return 0; | |
170 | } | |
171 | ||
172 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
173 | int r; | |
174 | ||
175 | assert(text); | |
176 | assert(is_valid); | |
177 | assert(ret); | |
178 | ||
179 | for (;;) { | |
180 | _cleanup_free_ char *p = NULL; | |
181 | unsigned u; | |
182 | ||
323b7dc9 | 183 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(TRIANGULAR_BULLET), text); |
23bbb0de MS |
184 | if (r < 0) |
185 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
186 | |
187 | if (isempty(p)) { | |
188 | log_warning("No data entered, skipping."); | |
189 | return 0; | |
190 | } | |
191 | ||
192 | r = safe_atou(p, &u); | |
193 | if (r >= 0) { | |
194 | char *c; | |
195 | ||
196 | if (u <= 0 || u > strv_length(l)) { | |
197 | log_error("Specified entry number out of range."); | |
198 | continue; | |
199 | } | |
200 | ||
201 | log_info("Selected '%s'.", l[u-1]); | |
202 | ||
203 | c = strdup(l[u-1]); | |
204 | if (!c) | |
205 | return log_oom(); | |
206 | ||
207 | free(*ret); | |
208 | *ret = c; | |
209 | return 0; | |
210 | } | |
211 | ||
212 | if (!is_valid(p)) { | |
213 | log_error("Entered data invalid."); | |
214 | continue; | |
215 | } | |
216 | ||
217 | free(*ret); | |
218 | *ret = p; | |
219 | p = 0; | |
220 | return 0; | |
221 | } | |
222 | } | |
223 | ||
224 | static int prompt_locale(void) { | |
225 | _cleanup_strv_free_ char **locales = NULL; | |
226 | int r; | |
227 | ||
228 | if (arg_locale || arg_locale_messages) | |
229 | return 0; | |
230 | ||
231 | if (!arg_prompt_locale) | |
232 | return 0; | |
233 | ||
234 | r = get_locales(&locales); | |
23bbb0de MS |
235 | if (r < 0) |
236 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
237 | |
238 | print_welcome(); | |
239 | ||
240 | printf("\nAvailable Locales:\n\n"); | |
241 | r = show_menu(locales, 3, 22, 60); | |
242 | if (r < 0) | |
243 | return r; | |
244 | ||
245 | putchar('\n'); | |
246 | ||
247 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
248 | if (r < 0) | |
249 | return r; | |
250 | ||
251 | if (isempty(arg_locale)) | |
252 | return 0; | |
253 | ||
254 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
255 | if (r < 0) | |
256 | return r; | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | static int process_locale(void) { | |
262 | const char *etc_localeconf; | |
263 | char* locales[3]; | |
264 | unsigned i = 0; | |
265 | int r; | |
266 | ||
1d13f648 | 267 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
b3cd687d | 268 | if (laccess(etc_localeconf, F_OK) >= 0) |
418b9be5 LP |
269 | return 0; |
270 | ||
271 | if (arg_copy_locale && arg_root) { | |
272 | ||
273 | mkdir_parents(etc_localeconf, 0755); | |
1c876927 | 274 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, COPY_REFLINK); |
418b9be5 | 275 | if (r != -ENOENT) { |
23bbb0de MS |
276 | if (r < 0) |
277 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
278 | |
279 | log_info("%s copied.", etc_localeconf); | |
280 | return 0; | |
281 | } | |
282 | } | |
283 | ||
284 | r = prompt_locale(); | |
285 | if (r < 0) | |
286 | return r; | |
287 | ||
288 | if (!isempty(arg_locale)) | |
63c372cb | 289 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 290 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 291 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
292 | |
293 | if (i == 0) | |
294 | return 0; | |
295 | ||
296 | locales[i] = NULL; | |
297 | ||
298 | mkdir_parents(etc_localeconf, 0755); | |
299 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
300 | if (r < 0) |
301 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
302 | |
303 | log_info("%s written.", etc_localeconf); | |
304 | return 0; | |
305 | } | |
306 | ||
ed457f13 TB |
307 | static int prompt_keymap(void) { |
308 | _cleanup_strv_free_ char **kmaps = NULL; | |
309 | int r; | |
310 | ||
311 | if (arg_keymap) | |
312 | return 0; | |
313 | ||
314 | if (!arg_prompt_keymap) | |
315 | return 0; | |
316 | ||
317 | r = get_keymaps(&kmaps); | |
318 | if (r == -ENOENT) /* no keymaps installed */ | |
319 | return r; | |
320 | if (r < 0) | |
321 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
322 | ||
323 | print_welcome(); | |
324 | ||
325 | printf("\nAvailable keymaps:\n\n"); | |
326 | r = show_menu(kmaps, 3, 22, 60); | |
327 | if (r < 0) | |
328 | return r; | |
329 | ||
330 | putchar('\n'); | |
331 | ||
8700b4da ZJS |
332 | return prompt_loop("Please enter system keymap name or number", |
333 | kmaps, keymap_is_valid, &arg_keymap); | |
ed457f13 TB |
334 | } |
335 | ||
336 | static int process_keymap(void) { | |
337 | const char *etc_vconsoleconf; | |
338 | char **keymap; | |
339 | int r; | |
340 | ||
341 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
342 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
343 | return 0; | |
344 | ||
345 | if (arg_copy_keymap && arg_root) { | |
346 | ||
347 | mkdir_parents(etc_vconsoleconf, 0755); | |
348 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, COPY_REFLINK); | |
349 | if (r != -ENOENT) { | |
350 | if (r < 0) | |
351 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
352 | ||
353 | log_info("%s copied.", etc_vconsoleconf); | |
354 | return 0; | |
355 | } | |
356 | } | |
357 | ||
358 | r = prompt_keymap(); | |
359 | if (r == -ENOENT) | |
360 | return 0; /* don't fail if no keymaps are installed */ | |
361 | if (r < 0) | |
362 | return r; | |
363 | ||
a7353b4d | 364 | if (isempty(arg_keymap)) |
ed457f13 TB |
365 | return 0; |
366 | ||
a7353b4d YW |
367 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); |
368 | ||
369 | r = mkdir_parents(etc_vconsoleconf, 0755); | |
370 | if (r < 0) | |
371 | return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf); | |
372 | ||
ed457f13 TB |
373 | r = write_env_file(etc_vconsoleconf, keymap); |
374 | if (r < 0) | |
375 | return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); | |
376 | ||
377 | log_info("%s written.", etc_vconsoleconf); | |
378 | return 0; | |
379 | } | |
380 | ||
418b9be5 LP |
381 | static int prompt_timezone(void) { |
382 | _cleanup_strv_free_ char **zones = NULL; | |
383 | int r; | |
384 | ||
385 | if (arg_timezone) | |
386 | return 0; | |
387 | ||
388 | if (!arg_prompt_timezone) | |
389 | return 0; | |
390 | ||
391 | r = get_timezones(&zones); | |
23bbb0de MS |
392 | if (r < 0) |
393 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
394 | |
395 | print_welcome(); | |
396 | ||
397 | printf("\nAvailable Time Zones:\n\n"); | |
398 | r = show_menu(zones, 3, 22, 30); | |
399 | if (r < 0) | |
400 | return r; | |
401 | ||
402 | putchar('\n'); | |
403 | ||
404 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); | |
405 | if (r < 0) | |
406 | return r; | |
407 | ||
408 | return 0; | |
409 | } | |
410 | ||
411 | static int process_timezone(void) { | |
412 | const char *etc_localtime, *e; | |
413 | int r; | |
414 | ||
1d13f648 | 415 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
b3cd687d | 416 | if (laccess(etc_localtime, F_OK) >= 0) |
418b9be5 LP |
417 | return 0; |
418 | ||
419 | if (arg_copy_timezone && arg_root) { | |
420 | _cleanup_free_ char *p = NULL; | |
421 | ||
422 | r = readlink_malloc("/etc/localtime", &p); | |
423 | if (r != -ENOENT) { | |
23bbb0de MS |
424 | if (r < 0) |
425 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
426 | |
427 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
428 | if (symlink(p, etc_localtime) < 0) |
429 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
430 | |
431 | log_info("%s copied.", etc_localtime); | |
432 | return 0; | |
433 | } | |
434 | } | |
435 | ||
436 | r = prompt_timezone(); | |
437 | if (r < 0) | |
438 | return r; | |
439 | ||
440 | if (isempty(arg_timezone)) | |
441 | return 0; | |
442 | ||
63c372cb | 443 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
444 | |
445 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
446 | if (symlink(e, etc_localtime) < 0) |
447 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
448 | |
449 | log_info("%s written", etc_localtime); | |
450 | return 0; | |
451 | } | |
452 | ||
453 | static int prompt_hostname(void) { | |
454 | int r; | |
455 | ||
456 | if (arg_hostname) | |
457 | return 0; | |
458 | ||
459 | if (!arg_prompt_hostname) | |
460 | return 0; | |
461 | ||
462 | print_welcome(); | |
463 | putchar('\n'); | |
464 | ||
465 | for (;;) { | |
466 | _cleanup_free_ char *h = NULL; | |
467 | ||
323b7dc9 | 468 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(TRIANGULAR_BULLET)); |
23bbb0de MS |
469 | if (r < 0) |
470 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
471 | |
472 | if (isempty(h)) { | |
473 | log_warning("No hostname entered, skipping."); | |
474 | break; | |
475 | } | |
476 | ||
34ad6090 | 477 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
478 | log_error("Specified hostname invalid."); |
479 | continue; | |
480 | } | |
481 | ||
34ad6090 | 482 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 483 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
484 | h = NULL; |
485 | break; | |
486 | } | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static int process_hostname(void) { | |
492 | const char *etc_hostname; | |
493 | int r; | |
494 | ||
1d13f648 | 495 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
b3cd687d | 496 | if (laccess(etc_hostname, F_OK) >= 0) |
418b9be5 LP |
497 | return 0; |
498 | ||
499 | r = prompt_hostname(); | |
500 | if (r < 0) | |
501 | return r; | |
502 | ||
503 | if (isempty(arg_hostname)) | |
504 | return 0; | |
505 | ||
506 | mkdir_parents(etc_hostname, 0755); | |
0675e94a AJ |
507 | r = write_string_file(etc_hostname, arg_hostname, |
508 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
509 | if (r < 0) |
510 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
511 | |
512 | log_info("%s written.", etc_hostname); | |
513 | return 0; | |
514 | } | |
515 | ||
516 | static int process_machine_id(void) { | |
517 | const char *etc_machine_id; | |
518 | char id[SD_ID128_STRING_MAX]; | |
519 | int r; | |
520 | ||
1d13f648 | 521 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
b3cd687d | 522 | if (laccess(etc_machine_id, F_OK) >= 0) |
418b9be5 LP |
523 | return 0; |
524 | ||
3bbaff3e | 525 | if (sd_id128_is_null(arg_machine_id)) |
418b9be5 LP |
526 | return 0; |
527 | ||
528 | mkdir_parents(etc_machine_id, 0755); | |
0675e94a AJ |
529 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), |
530 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
531 | if (r < 0) |
532 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
533 | |
534 | log_info("%s written.", etc_machine_id); | |
535 | return 0; | |
536 | } | |
537 | ||
538 | static int prompt_root_password(void) { | |
539 | const char *msg1, *msg2, *etc_shadow; | |
540 | int r; | |
541 | ||
542 | if (arg_root_password) | |
543 | return 0; | |
544 | ||
545 | if (!arg_prompt_root_password) | |
546 | return 0; | |
547 | ||
1d13f648 | 548 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 549 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
550 | return 0; |
551 | ||
552 | print_welcome(); | |
553 | putchar('\n'); | |
554 | ||
323b7dc9 ZJS |
555 | msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
556 | msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
557 | |
558 | for (;;) { | |
ab84f5b9 | 559 | _cleanup_string_free_erase_ char *a = NULL, *b = NULL; |
418b9be5 | 560 | |
daa55720 | 561 | r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a); |
23bbb0de MS |
562 | if (r < 0) |
563 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
564 | |
565 | if (isempty(a)) { | |
566 | log_warning("No password entered, skipping."); | |
567 | break; | |
568 | } | |
569 | ||
daa55720 | 570 | r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b); |
ab84f5b9 | 571 | if (r < 0) |
00843602 | 572 | return log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
573 | |
574 | if (!streq(a, b)) { | |
575 | log_error("Entered passwords did not match, please try again."); | |
418b9be5 LP |
576 | continue; |
577 | } | |
578 | ||
418b9be5 LP |
579 | arg_root_password = a; |
580 | a = NULL; | |
581 | break; | |
582 | } | |
583 | ||
584 | return 0; | |
585 | } | |
586 | ||
587 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
588 | _cleanup_fclose_ FILE *f = NULL; | |
589 | assert(path); | |
590 | assert(p); | |
591 | ||
3250929b LP |
592 | RUN_WITH_UMASK(0777) |
593 | f = fopen(path, "wex"); | |
418b9be5 LP |
594 | if (!f) |
595 | return -errno; | |
596 | ||
597 | errno = 0; | |
598 | if (putspent(p, f) != 0) | |
f5e5c28f | 599 | return errno > 0 ? -errno : -EIO; |
418b9be5 | 600 | |
0675e94a | 601 | return fflush_sync_and_check(f); |
418b9be5 LP |
602 | } |
603 | ||
604 | static int process_root_password(void) { | |
605 | ||
606 | static const char table[] = | |
607 | "abcdefghijklmnopqrstuvwxyz" | |
608 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
609 | "0123456789" | |
610 | "./"; | |
611 | ||
612 | struct spwd item = { | |
613 | .sp_namp = (char*) "root", | |
ad525df8 IS |
614 | .sp_min = -1, |
615 | .sp_max = -1, | |
616 | .sp_warn = -1, | |
418b9be5 LP |
617 | .sp_inact = -1, |
618 | .sp_expire = -1, | |
619 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
620 | }; | |
45035609 LP |
621 | |
622 | _cleanup_close_ int lock = -1; | |
418b9be5 LP |
623 | char salt[3+16+1+1]; |
624 | uint8_t raw[16]; | |
625 | unsigned i; | |
626 | char *j; | |
627 | ||
628 | const char *etc_shadow; | |
629 | int r; | |
630 | ||
1d13f648 | 631 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 632 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
633 | return 0; |
634 | ||
45035609 LP |
635 | mkdir_parents(etc_shadow, 0755); |
636 | ||
e929bee0 | 637 | lock = take_etc_passwd_lock(arg_root); |
45035609 | 638 | if (lock < 0) |
db260eed | 639 | return log_error_errno(lock, "Failed to take a lock: %m"); |
45035609 | 640 | |
418b9be5 LP |
641 | if (arg_copy_root_password && arg_root) { |
642 | struct spwd *p; | |
643 | ||
644 | errno = 0; | |
645 | p = getspnam("root"); | |
646 | if (p || errno != ENOENT) { | |
647 | if (!p) { | |
648 | if (!errno) | |
649 | errno = EIO; | |
650 | ||
e1427b13 | 651 | return log_error_errno(errno, "Failed to find shadow entry for root: %m"); |
418b9be5 LP |
652 | } |
653 | ||
654 | r = write_root_shadow(etc_shadow, p); | |
23bbb0de MS |
655 | if (r < 0) |
656 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
657 | |
658 | log_info("%s copied.", etc_shadow); | |
659 | return 0; | |
660 | } | |
661 | } | |
662 | ||
663 | r = prompt_root_password(); | |
664 | if (r < 0) | |
665 | return r; | |
666 | ||
667 | if (!arg_root_password) | |
668 | return 0; | |
669 | ||
f0d09059 | 670 | r = acquire_random_bytes(raw, 16, true); |
23bbb0de MS |
671 | if (r < 0) |
672 | return log_error_errno(r, "Failed to get salt: %m"); | |
418b9be5 LP |
673 | |
674 | /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ | |
675 | assert_cc(sizeof(table) == 64 + 1); | |
676 | j = stpcpy(salt, "$6$"); | |
677 | for (i = 0; i < 16; i++) | |
678 | j[i] = table[raw[i] & 63]; | |
679 | j[i++] = '$'; | |
680 | j[i] = 0; | |
681 | ||
682 | errno = 0; | |
683 | item.sp_pwdp = crypt(arg_root_password, salt); | |
684 | if (!item.sp_pwdp) { | |
685 | if (!errno) | |
4546c341 | 686 | errno = EINVAL; |
418b9be5 | 687 | |
e1427b13 | 688 | return log_error_errno(errno, "Failed to encrypt password: %m"); |
418b9be5 LP |
689 | } |
690 | ||
691 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
692 | ||
693 | r = write_root_shadow(etc_shadow, &item); | |
23bbb0de MS |
694 | if (r < 0) |
695 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
696 | |
697 | log_info("%s written.", etc_shadow); | |
698 | return 0; | |
699 | } | |
700 | ||
601185b4 | 701 | static void help(void) { |
418b9be5 LP |
702 | printf("%s [OPTIONS...]\n\n" |
703 | "Configures basic settings of the system.\n\n" | |
704 | " -h --help Show this help\n" | |
705 | " --version Show package version\n" | |
706 | " --root=PATH Operate on an alternate filesystem root\n" | |
707 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
708 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
ed457f13 | 709 | " --keymap=KEYMAP Set keymap\n" |
418b9be5 LP |
710 | " --timezone=TIMEZONE Set timezone\n" |
711 | " --hostname=NAME Set host name\n" | |
712 | " --machine-ID=ID Set machine ID\n" | |
713 | " --root-password=PASSWORD Set root password\n" | |
714 | " --root-password-file=FILE Set root password from file\n" | |
715 | " --prompt-locale Prompt the user for locale settings\n" | |
ed457f13 | 716 | " --prompt-keymap Prompt the user for keymap settings\n" |
418b9be5 LP |
717 | " --prompt-timezone Prompt the user for timezone\n" |
718 | " --prompt-hostname Prompt the user for hostname\n" | |
719 | " --prompt-root-password Prompt the user for root password\n" | |
b57b0625 | 720 | " --prompt Prompt for all of the above\n" |
418b9be5 | 721 | " --copy-locale Copy locale from host\n" |
ed457f13 | 722 | " --copy-keymap Copy keymap from host\n" |
418b9be5 LP |
723 | " --copy-timezone Copy timezone from host\n" |
724 | " --copy-root-password Copy root password from host\n" | |
ed457f13 | 725 | " --copy Copy locale, keymap, timezone, root password\n" |
601185b4 ZJS |
726 | " --setup-machine-id Generate a new random machine ID\n" |
727 | , program_invocation_short_name); | |
418b9be5 LP |
728 | } |
729 | ||
730 | static int parse_argv(int argc, char *argv[]) { | |
731 | ||
732 | enum { | |
733 | ARG_VERSION = 0x100, | |
734 | ARG_ROOT, | |
735 | ARG_LOCALE, | |
736 | ARG_LOCALE_MESSAGES, | |
ed457f13 | 737 | ARG_KEYMAP, |
418b9be5 LP |
738 | ARG_TIMEZONE, |
739 | ARG_HOSTNAME, | |
740 | ARG_MACHINE_ID, | |
741 | ARG_ROOT_PASSWORD, | |
742 | ARG_ROOT_PASSWORD_FILE, | |
743 | ARG_PROMPT, | |
744 | ARG_PROMPT_LOCALE, | |
ed457f13 | 745 | ARG_PROMPT_KEYMAP, |
418b9be5 LP |
746 | ARG_PROMPT_TIMEZONE, |
747 | ARG_PROMPT_HOSTNAME, | |
748 | ARG_PROMPT_ROOT_PASSWORD, | |
749 | ARG_COPY, | |
750 | ARG_COPY_LOCALE, | |
ed457f13 | 751 | ARG_COPY_KEYMAP, |
418b9be5 LP |
752 | ARG_COPY_TIMEZONE, |
753 | ARG_COPY_ROOT_PASSWORD, | |
754 | ARG_SETUP_MACHINE_ID, | |
755 | }; | |
756 | ||
757 | static const struct option options[] = { | |
758 | { "help", no_argument, NULL, 'h' }, | |
759 | { "version", no_argument, NULL, ARG_VERSION }, | |
760 | { "root", required_argument, NULL, ARG_ROOT }, | |
761 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
762 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
ed457f13 | 763 | { "keymap", required_argument, NULL, ARG_KEYMAP }, |
418b9be5 LP |
764 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, |
765 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
766 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
767 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
768 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
769 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
770 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
ed457f13 | 771 | { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP }, |
418b9be5 LP |
772 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, |
773 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
774 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
775 | { "copy", no_argument, NULL, ARG_COPY }, | |
776 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
ed457f13 | 777 | { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP }, |
418b9be5 LP |
778 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, |
779 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
780 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
781 | {} | |
782 | }; | |
783 | ||
784 | int r, c; | |
785 | ||
786 | assert(argc >= 0); | |
787 | assert(argv); | |
788 | ||
601185b4 | 789 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
418b9be5 LP |
790 | |
791 | switch (c) { | |
792 | ||
793 | case 'h': | |
601185b4 ZJS |
794 | help(); |
795 | return 0; | |
418b9be5 LP |
796 | |
797 | case ARG_VERSION: | |
3f6fd1ba | 798 | return version(); |
418b9be5 LP |
799 | |
800 | case ARG_ROOT: | |
0f03c2a4 | 801 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
0f474365 | 802 | if (r < 0) |
0f03c2a4 | 803 | return r; |
418b9be5 LP |
804 | break; |
805 | ||
806 | case ARG_LOCALE: | |
807 | if (!locale_is_valid(optarg)) { | |
808 | log_error("Locale %s is not valid.", optarg); | |
809 | return -EINVAL; | |
810 | } | |
811 | ||
2fc09a9c DM |
812 | r = free_and_strdup(&arg_locale, optarg); |
813 | if (r < 0) | |
418b9be5 LP |
814 | return log_oom(); |
815 | ||
816 | break; | |
817 | ||
818 | case ARG_LOCALE_MESSAGES: | |
819 | if (!locale_is_valid(optarg)) { | |
820 | log_error("Locale %s is not valid.", optarg); | |
821 | return -EINVAL; | |
822 | } | |
823 | ||
2fc09a9c DM |
824 | r = free_and_strdup(&arg_locale_messages, optarg); |
825 | if (r < 0) | |
418b9be5 LP |
826 | return log_oom(); |
827 | ||
828 | break; | |
829 | ||
ed457f13 TB |
830 | case ARG_KEYMAP: |
831 | if (!keymap_is_valid(optarg)) { | |
832 | log_error("Keymap %s is not valid.", optarg); | |
833 | return -EINVAL; | |
834 | } | |
835 | ||
836 | r = free_and_strdup(&arg_keymap, optarg); | |
837 | if (r < 0) | |
838 | return log_oom(); | |
839 | ||
840 | break; | |
841 | ||
418b9be5 LP |
842 | case ARG_TIMEZONE: |
843 | if (!timezone_is_valid(optarg)) { | |
844 | log_error("Timezone %s is not valid.", optarg); | |
845 | return -EINVAL; | |
846 | } | |
847 | ||
2fc09a9c DM |
848 | r = free_and_strdup(&arg_timezone, optarg); |
849 | if (r < 0) | |
418b9be5 LP |
850 | return log_oom(); |
851 | ||
852 | break; | |
853 | ||
854 | case ARG_ROOT_PASSWORD: | |
2fc09a9c DM |
855 | r = free_and_strdup(&arg_root_password, optarg); |
856 | if (r < 0) | |
418b9be5 | 857 | return log_oom(); |
418b9be5 LP |
858 | break; |
859 | ||
860 | case ARG_ROOT_PASSWORD_FILE: | |
0da16248 | 861 | arg_root_password = mfree(arg_root_password); |
418b9be5 LP |
862 | |
863 | r = read_one_line_file(optarg, &arg_root_password); | |
23bbb0de MS |
864 | if (r < 0) |
865 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
418b9be5 LP |
866 | |
867 | break; | |
868 | ||
869 | case ARG_HOSTNAME: | |
34ad6090 | 870 | if (!hostname_is_valid(optarg, true)) { |
418b9be5 LP |
871 | log_error("Host name %s is not valid.", optarg); |
872 | return -EINVAL; | |
873 | } | |
874 | ||
ae691c1d | 875 | hostname_cleanup(optarg); |
2fc09a9c DM |
876 | r = free_and_strdup(&arg_hostname, optarg); |
877 | if (r < 0) | |
418b9be5 LP |
878 | return log_oom(); |
879 | ||
880 | break; | |
881 | ||
882 | case ARG_MACHINE_ID: | |
883 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { | |
884 | log_error("Failed to parse machine id %s.", optarg); | |
885 | return -EINVAL; | |
886 | } | |
887 | ||
888 | break; | |
889 | ||
890 | case ARG_PROMPT: | |
ed457f13 | 891 | arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; |
418b9be5 LP |
892 | break; |
893 | ||
894 | case ARG_PROMPT_LOCALE: | |
895 | arg_prompt_locale = true; | |
896 | break; | |
897 | ||
ed457f13 TB |
898 | case ARG_PROMPT_KEYMAP: |
899 | arg_prompt_keymap = true; | |
900 | break; | |
901 | ||
418b9be5 LP |
902 | case ARG_PROMPT_TIMEZONE: |
903 | arg_prompt_timezone = true; | |
904 | break; | |
905 | ||
906 | case ARG_PROMPT_HOSTNAME: | |
907 | arg_prompt_hostname = true; | |
908 | break; | |
909 | ||
910 | case ARG_PROMPT_ROOT_PASSWORD: | |
911 | arg_prompt_root_password = true; | |
912 | break; | |
913 | ||
914 | case ARG_COPY: | |
ed457f13 | 915 | arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true; |
e926f647 | 916 | break; |
418b9be5 LP |
917 | |
918 | case ARG_COPY_LOCALE: | |
919 | arg_copy_locale = true; | |
920 | break; | |
921 | ||
ed457f13 TB |
922 | case ARG_COPY_KEYMAP: |
923 | arg_copy_keymap = true; | |
924 | break; | |
925 | ||
418b9be5 LP |
926 | case ARG_COPY_TIMEZONE: |
927 | arg_copy_timezone = true; | |
928 | break; | |
929 | ||
930 | case ARG_COPY_ROOT_PASSWORD: | |
931 | arg_copy_root_password = true; | |
932 | break; | |
933 | ||
934 | case ARG_SETUP_MACHINE_ID: | |
935 | ||
936 | r = sd_id128_randomize(&arg_machine_id); | |
23bbb0de MS |
937 | if (r < 0) |
938 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
418b9be5 LP |
939 | |
940 | break; | |
941 | ||
942 | case '?': | |
943 | return -EINVAL; | |
944 | ||
945 | default: | |
946 | assert_not_reached("Unhandled option"); | |
947 | } | |
418b9be5 LP |
948 | |
949 | return 1; | |
950 | } | |
951 | ||
952 | int main(int argc, char *argv[]) { | |
1d84ad94 | 953 | bool enabled; |
418b9be5 LP |
954 | int r; |
955 | ||
956 | r = parse_argv(argc, argv); | |
957 | if (r <= 0) | |
958 | goto finish; | |
959 | ||
960 | log_set_target(LOG_TARGET_AUTO); | |
961 | log_parse_environment(); | |
962 | log_open(); | |
963 | ||
964 | umask(0022); | |
965 | ||
1d84ad94 LP |
966 | r = proc_cmdline_get_bool("systemd.firstboot", &enabled); |
967 | if (r < 0) { | |
968 | log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring."); | |
969 | goto finish; | |
970 | } | |
971 | if (r > 0 && !enabled) { | |
972 | r = 0; /* disabled */ | |
973 | goto finish; | |
f582cbca LP |
974 | } |
975 | ||
418b9be5 LP |
976 | r = process_locale(); |
977 | if (r < 0) | |
978 | goto finish; | |
979 | ||
ed457f13 TB |
980 | r = process_keymap(); |
981 | if (r < 0) | |
982 | goto finish; | |
983 | ||
418b9be5 LP |
984 | r = process_timezone(); |
985 | if (r < 0) | |
986 | goto finish; | |
987 | ||
988 | r = process_hostname(); | |
989 | if (r < 0) | |
990 | goto finish; | |
991 | ||
992 | r = process_machine_id(); | |
993 | if (r < 0) | |
994 | goto finish; | |
995 | ||
996 | r = process_root_password(); | |
997 | if (r < 0) | |
998 | goto finish; | |
999 | ||
1000 | finish: | |
1001 | free(arg_root); | |
1002 | free(arg_locale); | |
1003 | free(arg_locale_messages); | |
ed457f13 | 1004 | free(arg_keymap); |
418b9be5 LP |
1005 | free(arg_timezone); |
1006 | free(arg_hostname); | |
1602b008 | 1007 | string_erase(arg_root_password); |
418b9be5 LP |
1008 | free(arg_root_password); |
1009 | ||
1010 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1011 | } |