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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 | 22 | #include <getopt.h> |
3f6fd1ba | 23 | #include <unistd.h> |
418b9be5 | 24 | |
9f555bba BE |
25 | #ifdef HAVE_CRYPT_H |
26 | /* libxcrypt is a replacement for glibc's libcrypt, and libcrypt might be | |
27 | * removed from glibc at some point. As part of the removal, defines for | |
28 | * crypt(3) are dropped from unistd.h, and we must include crypt.h instead. | |
29 | * | |
30 | * Newer versions of glibc (v2.0+) already ship crypt.h with a definition | |
31 | * of crypt(3) as well, so we simply include it if it is present. MariaDB, | |
32 | * MySQL, PostgreSQL, Perl and some other wide-spread packages do it the | |
33 | * same way since ages without any problems. | |
34 | */ | |
35 | # include <crypt.h> | |
36 | #endif | |
37 | ||
dccca82b LP |
38 | #include "sd-id128.h" |
39 | ||
b5efdb8a | 40 | #include "alloc-util.h" |
3f6fd1ba | 41 | #include "ask-password-api.h" |
418b9be5 | 42 | #include "copy.h" |
6bedfcbb | 43 | #include "fd-util.h" |
3f6fd1ba | 44 | #include "fileio.h" |
f4f15635 | 45 | #include "fs-util.h" |
3f6fd1ba LP |
46 | #include "hostname-util.h" |
47 | #include "locale-util.h" | |
418b9be5 | 48 | #include "mkdir.h" |
6bedfcbb | 49 | #include "parse-util.h" |
418b9be5 | 50 | #include "path-util.h" |
f582cbca | 51 | #include "proc-cmdline.h" |
3df3e884 | 52 | #include "random-util.h" |
6bedfcbb | 53 | #include "string-util.h" |
3f6fd1ba | 54 | #include "strv.h" |
288a74cc | 55 | #include "terminal-util.h" |
3f6fd1ba | 56 | #include "time-util.h" |
affb60b1 | 57 | #include "umask-util.h" |
e929bee0 | 58 | #include "user-util.h" |
418b9be5 LP |
59 | |
60 | static char *arg_root = NULL; | |
61 | static char *arg_locale = NULL; /* $LANG */ | |
ed457f13 | 62 | static char *arg_keymap = NULL; |
418b9be5 LP |
63 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ |
64 | static char *arg_timezone = NULL; | |
65 | static char *arg_hostname = NULL; | |
66 | static sd_id128_t arg_machine_id = {}; | |
67 | static char *arg_root_password = NULL; | |
68 | static bool arg_prompt_locale = false; | |
ed457f13 | 69 | static bool arg_prompt_keymap = false; |
418b9be5 LP |
70 | static bool arg_prompt_timezone = false; |
71 | static bool arg_prompt_hostname = false; | |
72 | static bool arg_prompt_root_password = false; | |
73 | static bool arg_copy_locale = false; | |
ed457f13 | 74 | static bool arg_copy_keymap = false; |
418b9be5 LP |
75 | static bool arg_copy_timezone = false; |
76 | static bool arg_copy_root_password = false; | |
77 | ||
418b9be5 LP |
78 | static bool press_any_key(void) { |
79 | char k = 0; | |
80 | bool need_nl = true; | |
81 | ||
82 | printf("-- Press any key to proceed --"); | |
83 | fflush(stdout); | |
84 | ||
94956f8f | 85 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
86 | |
87 | if (need_nl) | |
88 | putchar('\n'); | |
89 | ||
90 | return k != 'q'; | |
91 | } | |
92 | ||
93 | static void print_welcome(void) { | |
94 | _cleanup_free_ char *pretty_name = NULL; | |
95 | const char *os_release = NULL; | |
96 | static bool done = false; | |
97 | int r; | |
98 | ||
99 | if (done) | |
100 | return; | |
101 | ||
1d13f648 | 102 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
418b9be5 LP |
103 | r = parse_env_file(os_release, NEWLINE, |
104 | "PRETTY_NAME", &pretty_name, | |
105 | NULL); | |
106 | if (r == -ENOENT) { | |
107 | ||
1d13f648 | 108 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
418b9be5 LP |
109 | r = parse_env_file(os_release, NEWLINE, |
110 | "PRETTY_NAME", &pretty_name, | |
111 | NULL); | |
112 | } | |
113 | ||
114 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 115 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
116 | |
117 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
118 | isempty(pretty_name) ? "Linux" : pretty_name); | |
119 | ||
120 | press_any_key(); | |
121 | ||
122 | done = true; | |
123 | } | |
124 | ||
125 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
126 | unsigned n, per_column, i, j; | |
127 | unsigned break_lines, break_modulo; | |
128 | ||
129 | assert(n_columns > 0); | |
130 | ||
131 | n = strv_length(x); | |
be6b0c21 | 132 | per_column = DIV_ROUND_UP(n, n_columns); |
418b9be5 LP |
133 | |
134 | break_lines = lines(); | |
135 | if (break_lines > 2) | |
136 | break_lines--; | |
137 | ||
138 | /* The first page gets two extra lines, since we want to show | |
139 | * a title */ | |
140 | break_modulo = break_lines; | |
141 | if (break_modulo > 3) | |
142 | break_modulo -= 3; | |
143 | ||
144 | for (i = 0; i < per_column; i++) { | |
145 | ||
146 | for (j = 0; j < n_columns; j ++) { | |
147 | _cleanup_free_ char *e = NULL; | |
148 | ||
149 | if (j * per_column + i >= n) | |
150 | break; | |
151 | ||
152 | e = ellipsize(x[j * per_column + i], width, percentage); | |
153 | if (!e) | |
154 | return log_oom(); | |
155 | ||
156 | printf("%4u) %-*s", j * per_column + i + 1, width, e); | |
157 | } | |
158 | ||
159 | putchar('\n'); | |
160 | ||
161 | /* on the first screen we reserve 2 extra lines for the title */ | |
162 | if (i % break_lines == break_modulo) { | |
163 | if (!press_any_key()) | |
164 | return 0; | |
165 | } | |
166 | } | |
167 | ||
168 | return 0; | |
169 | } | |
170 | ||
171 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
172 | int r; | |
173 | ||
174 | assert(text); | |
175 | assert(is_valid); | |
176 | assert(ret); | |
177 | ||
178 | for (;;) { | |
179 | _cleanup_free_ char *p = NULL; | |
180 | unsigned u; | |
181 | ||
323b7dc9 | 182 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(TRIANGULAR_BULLET), text); |
23bbb0de MS |
183 | if (r < 0) |
184 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
185 | |
186 | if (isempty(p)) { | |
187 | log_warning("No data entered, skipping."); | |
188 | return 0; | |
189 | } | |
190 | ||
191 | r = safe_atou(p, &u); | |
192 | if (r >= 0) { | |
193 | char *c; | |
194 | ||
195 | if (u <= 0 || u > strv_length(l)) { | |
196 | log_error("Specified entry number out of range."); | |
197 | continue; | |
198 | } | |
199 | ||
200 | log_info("Selected '%s'.", l[u-1]); | |
201 | ||
202 | c = strdup(l[u-1]); | |
203 | if (!c) | |
204 | return log_oom(); | |
205 | ||
206 | free(*ret); | |
207 | *ret = c; | |
208 | return 0; | |
209 | } | |
210 | ||
211 | if (!is_valid(p)) { | |
212 | log_error("Entered data invalid."); | |
213 | continue; | |
214 | } | |
215 | ||
216 | free(*ret); | |
217 | *ret = p; | |
218 | p = 0; | |
219 | return 0; | |
220 | } | |
221 | } | |
222 | ||
223 | static int prompt_locale(void) { | |
224 | _cleanup_strv_free_ char **locales = NULL; | |
225 | int r; | |
226 | ||
227 | if (arg_locale || arg_locale_messages) | |
228 | return 0; | |
229 | ||
230 | if (!arg_prompt_locale) | |
231 | return 0; | |
232 | ||
233 | r = get_locales(&locales); | |
23bbb0de MS |
234 | if (r < 0) |
235 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
236 | |
237 | print_welcome(); | |
238 | ||
239 | printf("\nAvailable Locales:\n\n"); | |
240 | r = show_menu(locales, 3, 22, 60); | |
241 | if (r < 0) | |
242 | return r; | |
243 | ||
244 | putchar('\n'); | |
245 | ||
246 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
247 | if (r < 0) | |
248 | return r; | |
249 | ||
250 | if (isempty(arg_locale)) | |
251 | return 0; | |
252 | ||
253 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
254 | if (r < 0) | |
255 | return r; | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | static int process_locale(void) { | |
261 | const char *etc_localeconf; | |
262 | char* locales[3]; | |
263 | unsigned i = 0; | |
264 | int r; | |
265 | ||
1d13f648 | 266 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
b3cd687d | 267 | if (laccess(etc_localeconf, F_OK) >= 0) |
418b9be5 LP |
268 | return 0; |
269 | ||
270 | if (arg_copy_locale && arg_root) { | |
271 | ||
272 | mkdir_parents(etc_localeconf, 0755); | |
1c876927 | 273 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, COPY_REFLINK); |
418b9be5 | 274 | if (r != -ENOENT) { |
23bbb0de MS |
275 | if (r < 0) |
276 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
277 | |
278 | log_info("%s copied.", etc_localeconf); | |
279 | return 0; | |
280 | } | |
281 | } | |
282 | ||
283 | r = prompt_locale(); | |
284 | if (r < 0) | |
285 | return r; | |
286 | ||
287 | if (!isempty(arg_locale)) | |
63c372cb | 288 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 289 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 290 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
291 | |
292 | if (i == 0) | |
293 | return 0; | |
294 | ||
295 | locales[i] = NULL; | |
296 | ||
297 | mkdir_parents(etc_localeconf, 0755); | |
298 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
299 | if (r < 0) |
300 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
301 | |
302 | log_info("%s written.", etc_localeconf); | |
303 | return 0; | |
304 | } | |
305 | ||
ed457f13 TB |
306 | static int prompt_keymap(void) { |
307 | _cleanup_strv_free_ char **kmaps = NULL; | |
308 | int r; | |
309 | ||
310 | if (arg_keymap) | |
311 | return 0; | |
312 | ||
313 | if (!arg_prompt_keymap) | |
314 | return 0; | |
315 | ||
316 | r = get_keymaps(&kmaps); | |
317 | if (r == -ENOENT) /* no keymaps installed */ | |
318 | return r; | |
319 | if (r < 0) | |
320 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
321 | ||
322 | print_welcome(); | |
323 | ||
324 | printf("\nAvailable keymaps:\n\n"); | |
325 | r = show_menu(kmaps, 3, 22, 60); | |
326 | if (r < 0) | |
327 | return r; | |
328 | ||
329 | putchar('\n'); | |
330 | ||
8700b4da ZJS |
331 | return prompt_loop("Please enter system keymap name or number", |
332 | kmaps, keymap_is_valid, &arg_keymap); | |
ed457f13 TB |
333 | } |
334 | ||
335 | static int process_keymap(void) { | |
336 | const char *etc_vconsoleconf; | |
337 | char **keymap; | |
338 | int r; | |
339 | ||
340 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
341 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
342 | return 0; | |
343 | ||
344 | if (arg_copy_keymap && arg_root) { | |
345 | ||
346 | mkdir_parents(etc_vconsoleconf, 0755); | |
347 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, COPY_REFLINK); | |
348 | if (r != -ENOENT) { | |
349 | if (r < 0) | |
350 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
351 | ||
352 | log_info("%s copied.", etc_vconsoleconf); | |
353 | return 0; | |
354 | } | |
355 | } | |
356 | ||
357 | r = prompt_keymap(); | |
358 | if (r == -ENOENT) | |
359 | return 0; /* don't fail if no keymaps are installed */ | |
360 | if (r < 0) | |
361 | return r; | |
362 | ||
a7353b4d | 363 | if (isempty(arg_keymap)) |
ed457f13 TB |
364 | return 0; |
365 | ||
a7353b4d YW |
366 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); |
367 | ||
368 | r = mkdir_parents(etc_vconsoleconf, 0755); | |
369 | if (r < 0) | |
370 | return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf); | |
371 | ||
ed457f13 TB |
372 | r = write_env_file(etc_vconsoleconf, keymap); |
373 | if (r < 0) | |
374 | return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); | |
375 | ||
376 | log_info("%s written.", etc_vconsoleconf); | |
377 | return 0; | |
378 | } | |
379 | ||
418b9be5 LP |
380 | static int prompt_timezone(void) { |
381 | _cleanup_strv_free_ char **zones = NULL; | |
382 | int r; | |
383 | ||
384 | if (arg_timezone) | |
385 | return 0; | |
386 | ||
387 | if (!arg_prompt_timezone) | |
388 | return 0; | |
389 | ||
390 | r = get_timezones(&zones); | |
23bbb0de MS |
391 | if (r < 0) |
392 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
393 | |
394 | print_welcome(); | |
395 | ||
396 | printf("\nAvailable Time Zones:\n\n"); | |
397 | r = show_menu(zones, 3, 22, 30); | |
398 | if (r < 0) | |
399 | return r; | |
400 | ||
401 | putchar('\n'); | |
402 | ||
403 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); | |
404 | if (r < 0) | |
405 | return r; | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | static int process_timezone(void) { | |
411 | const char *etc_localtime, *e; | |
412 | int r; | |
413 | ||
1d13f648 | 414 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
b3cd687d | 415 | if (laccess(etc_localtime, F_OK) >= 0) |
418b9be5 LP |
416 | return 0; |
417 | ||
418 | if (arg_copy_timezone && arg_root) { | |
419 | _cleanup_free_ char *p = NULL; | |
420 | ||
421 | r = readlink_malloc("/etc/localtime", &p); | |
422 | if (r != -ENOENT) { | |
23bbb0de MS |
423 | if (r < 0) |
424 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
425 | |
426 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
427 | if (symlink(p, etc_localtime) < 0) |
428 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
429 | |
430 | log_info("%s copied.", etc_localtime); | |
431 | return 0; | |
432 | } | |
433 | } | |
434 | ||
435 | r = prompt_timezone(); | |
436 | if (r < 0) | |
437 | return r; | |
438 | ||
439 | if (isempty(arg_timezone)) | |
440 | return 0; | |
441 | ||
63c372cb | 442 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
443 | |
444 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
445 | if (symlink(e, etc_localtime) < 0) |
446 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
447 | |
448 | log_info("%s written", etc_localtime); | |
449 | return 0; | |
450 | } | |
451 | ||
452 | static int prompt_hostname(void) { | |
453 | int r; | |
454 | ||
455 | if (arg_hostname) | |
456 | return 0; | |
457 | ||
458 | if (!arg_prompt_hostname) | |
459 | return 0; | |
460 | ||
461 | print_welcome(); | |
462 | putchar('\n'); | |
463 | ||
464 | for (;;) { | |
465 | _cleanup_free_ char *h = NULL; | |
466 | ||
323b7dc9 | 467 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(TRIANGULAR_BULLET)); |
23bbb0de MS |
468 | if (r < 0) |
469 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
470 | |
471 | if (isempty(h)) { | |
472 | log_warning("No hostname entered, skipping."); | |
473 | break; | |
474 | } | |
475 | ||
34ad6090 | 476 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
477 | log_error("Specified hostname invalid."); |
478 | continue; | |
479 | } | |
480 | ||
34ad6090 | 481 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 482 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
483 | h = NULL; |
484 | break; | |
485 | } | |
486 | ||
487 | return 0; | |
488 | } | |
489 | ||
490 | static int process_hostname(void) { | |
491 | const char *etc_hostname; | |
492 | int r; | |
493 | ||
1d13f648 | 494 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
b3cd687d | 495 | if (laccess(etc_hostname, F_OK) >= 0) |
418b9be5 LP |
496 | return 0; |
497 | ||
498 | r = prompt_hostname(); | |
499 | if (r < 0) | |
500 | return r; | |
501 | ||
502 | if (isempty(arg_hostname)) | |
503 | return 0; | |
504 | ||
505 | mkdir_parents(etc_hostname, 0755); | |
0675e94a AJ |
506 | r = write_string_file(etc_hostname, arg_hostname, |
507 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
508 | if (r < 0) |
509 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
510 | |
511 | log_info("%s written.", etc_hostname); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static int process_machine_id(void) { | |
516 | const char *etc_machine_id; | |
517 | char id[SD_ID128_STRING_MAX]; | |
518 | int r; | |
519 | ||
1d13f648 | 520 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
b3cd687d | 521 | if (laccess(etc_machine_id, F_OK) >= 0) |
418b9be5 LP |
522 | return 0; |
523 | ||
3bbaff3e | 524 | if (sd_id128_is_null(arg_machine_id)) |
418b9be5 LP |
525 | return 0; |
526 | ||
527 | mkdir_parents(etc_machine_id, 0755); | |
0675e94a AJ |
528 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), |
529 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
530 | if (r < 0) |
531 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
532 | |
533 | log_info("%s written.", etc_machine_id); | |
534 | return 0; | |
535 | } | |
536 | ||
537 | static int prompt_root_password(void) { | |
538 | const char *msg1, *msg2, *etc_shadow; | |
539 | int r; | |
540 | ||
541 | if (arg_root_password) | |
542 | return 0; | |
543 | ||
544 | if (!arg_prompt_root_password) | |
545 | return 0; | |
546 | ||
1d13f648 | 547 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 548 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
549 | return 0; |
550 | ||
551 | print_welcome(); | |
552 | putchar('\n'); | |
553 | ||
323b7dc9 ZJS |
554 | msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
555 | msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
556 | |
557 | for (;;) { | |
ab84f5b9 | 558 | _cleanup_string_free_erase_ char *a = NULL, *b = NULL; |
418b9be5 | 559 | |
daa55720 | 560 | r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a); |
23bbb0de MS |
561 | if (r < 0) |
562 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
563 | |
564 | if (isempty(a)) { | |
565 | log_warning("No password entered, skipping."); | |
566 | break; | |
567 | } | |
568 | ||
daa55720 | 569 | r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b); |
ab84f5b9 | 570 | if (r < 0) |
00843602 | 571 | return log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
572 | |
573 | if (!streq(a, b)) { | |
574 | log_error("Entered passwords did not match, please try again."); | |
418b9be5 LP |
575 | continue; |
576 | } | |
577 | ||
ae2a15bc | 578 | arg_root_password = TAKE_PTR(a); |
418b9be5 LP |
579 | break; |
580 | } | |
581 | ||
582 | return 0; | |
583 | } | |
584 | ||
585 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
586 | _cleanup_fclose_ FILE *f = NULL; | |
100d5f6e FB |
587 | int r; |
588 | ||
418b9be5 LP |
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 | ||
100d5f6e FB |
597 | r = putspent_sane(p, f); |
598 | if (r < 0) | |
599 | return r; | |
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 | } |