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Commit | Line | Data |
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418b9be5 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2014 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
418b9be5 | 20 | #include <fcntl.h> |
418b9be5 LP |
21 | #include <getopt.h> |
22 | #include <shadow.h> | |
3f6fd1ba | 23 | #include <unistd.h> |
418b9be5 | 24 | |
b5efdb8a | 25 | #include "alloc-util.h" |
3f6fd1ba | 26 | #include "ask-password-api.h" |
418b9be5 | 27 | #include "copy.h" |
6bedfcbb | 28 | #include "fd-util.h" |
3f6fd1ba | 29 | #include "fileio.h" |
f4f15635 | 30 | #include "fs-util.h" |
3f6fd1ba LP |
31 | #include "hostname-util.h" |
32 | #include "locale-util.h" | |
418b9be5 | 33 | #include "mkdir.h" |
6bedfcbb | 34 | #include "parse-util.h" |
418b9be5 | 35 | #include "path-util.h" |
f582cbca | 36 | #include "proc-cmdline.h" |
3df3e884 | 37 | #include "random-util.h" |
6bedfcbb | 38 | #include "string-util.h" |
3f6fd1ba | 39 | #include "strv.h" |
288a74cc | 40 | #include "terminal-util.h" |
3f6fd1ba | 41 | #include "time-util.h" |
affb60b1 | 42 | #include "umask-util.h" |
e929bee0 | 43 | #include "user-util.h" |
418b9be5 LP |
44 | |
45 | static char *arg_root = NULL; | |
46 | static char *arg_locale = NULL; /* $LANG */ | |
ed457f13 | 47 | static char *arg_keymap = NULL; |
418b9be5 LP |
48 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ |
49 | static char *arg_timezone = NULL; | |
50 | static char *arg_hostname = NULL; | |
51 | static sd_id128_t arg_machine_id = {}; | |
52 | static char *arg_root_password = NULL; | |
53 | static bool arg_prompt_locale = false; | |
ed457f13 | 54 | static bool arg_prompt_keymap = false; |
418b9be5 LP |
55 | static bool arg_prompt_timezone = false; |
56 | static bool arg_prompt_hostname = false; | |
57 | static bool arg_prompt_root_password = false; | |
58 | static bool arg_copy_locale = false; | |
ed457f13 | 59 | static bool arg_copy_keymap = false; |
418b9be5 LP |
60 | static bool arg_copy_timezone = false; |
61 | static bool arg_copy_root_password = false; | |
62 | ||
418b9be5 LP |
63 | static bool press_any_key(void) { |
64 | char k = 0; | |
65 | bool need_nl = true; | |
66 | ||
67 | printf("-- Press any key to proceed --"); | |
68 | fflush(stdout); | |
69 | ||
94956f8f | 70 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
71 | |
72 | if (need_nl) | |
73 | putchar('\n'); | |
74 | ||
75 | return k != 'q'; | |
76 | } | |
77 | ||
78 | static void print_welcome(void) { | |
79 | _cleanup_free_ char *pretty_name = NULL; | |
80 | const char *os_release = NULL; | |
81 | static bool done = false; | |
82 | int r; | |
83 | ||
84 | if (done) | |
85 | return; | |
86 | ||
1d13f648 | 87 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
418b9be5 LP |
88 | r = parse_env_file(os_release, NEWLINE, |
89 | "PRETTY_NAME", &pretty_name, | |
90 | NULL); | |
91 | if (r == -ENOENT) { | |
92 | ||
1d13f648 | 93 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
418b9be5 LP |
94 | r = parse_env_file(os_release, NEWLINE, |
95 | "PRETTY_NAME", &pretty_name, | |
96 | NULL); | |
97 | } | |
98 | ||
99 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 100 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
101 | |
102 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
103 | isempty(pretty_name) ? "Linux" : pretty_name); | |
104 | ||
105 | press_any_key(); | |
106 | ||
107 | done = true; | |
108 | } | |
109 | ||
110 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
111 | unsigned n, per_column, i, j; | |
112 | unsigned break_lines, break_modulo; | |
113 | ||
114 | assert(n_columns > 0); | |
115 | ||
116 | n = strv_length(x); | |
117 | per_column = (n + n_columns - 1) / n_columns; | |
118 | ||
119 | break_lines = lines(); | |
120 | if (break_lines > 2) | |
121 | break_lines--; | |
122 | ||
123 | /* The first page gets two extra lines, since we want to show | |
124 | * a title */ | |
125 | break_modulo = break_lines; | |
126 | if (break_modulo > 3) | |
127 | break_modulo -= 3; | |
128 | ||
129 | for (i = 0; i < per_column; i++) { | |
130 | ||
131 | for (j = 0; j < n_columns; j ++) { | |
132 | _cleanup_free_ char *e = NULL; | |
133 | ||
134 | if (j * per_column + i >= n) | |
135 | break; | |
136 | ||
137 | e = ellipsize(x[j * per_column + i], width, percentage); | |
138 | if (!e) | |
139 | return log_oom(); | |
140 | ||
141 | printf("%4u) %-*s", j * per_column + i + 1, width, e); | |
142 | } | |
143 | ||
144 | putchar('\n'); | |
145 | ||
146 | /* on the first screen we reserve 2 extra lines for the title */ | |
147 | if (i % break_lines == break_modulo) { | |
148 | if (!press_any_key()) | |
149 | return 0; | |
150 | } | |
151 | } | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
157 | int r; | |
158 | ||
159 | assert(text); | |
160 | assert(is_valid); | |
161 | assert(ret); | |
162 | ||
163 | for (;;) { | |
164 | _cleanup_free_ char *p = NULL; | |
165 | unsigned u; | |
166 | ||
323b7dc9 | 167 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(TRIANGULAR_BULLET), text); |
23bbb0de MS |
168 | if (r < 0) |
169 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
170 | |
171 | if (isempty(p)) { | |
172 | log_warning("No data entered, skipping."); | |
173 | return 0; | |
174 | } | |
175 | ||
176 | r = safe_atou(p, &u); | |
177 | if (r >= 0) { | |
178 | char *c; | |
179 | ||
180 | if (u <= 0 || u > strv_length(l)) { | |
181 | log_error("Specified entry number out of range."); | |
182 | continue; | |
183 | } | |
184 | ||
185 | log_info("Selected '%s'.", l[u-1]); | |
186 | ||
187 | c = strdup(l[u-1]); | |
188 | if (!c) | |
189 | return log_oom(); | |
190 | ||
191 | free(*ret); | |
192 | *ret = c; | |
193 | return 0; | |
194 | } | |
195 | ||
196 | if (!is_valid(p)) { | |
197 | log_error("Entered data invalid."); | |
198 | continue; | |
199 | } | |
200 | ||
201 | free(*ret); | |
202 | *ret = p; | |
203 | p = 0; | |
204 | return 0; | |
205 | } | |
206 | } | |
207 | ||
208 | static int prompt_locale(void) { | |
209 | _cleanup_strv_free_ char **locales = NULL; | |
210 | int r; | |
211 | ||
212 | if (arg_locale || arg_locale_messages) | |
213 | return 0; | |
214 | ||
215 | if (!arg_prompt_locale) | |
216 | return 0; | |
217 | ||
218 | r = get_locales(&locales); | |
23bbb0de MS |
219 | if (r < 0) |
220 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
221 | |
222 | print_welcome(); | |
223 | ||
224 | printf("\nAvailable Locales:\n\n"); | |
225 | r = show_menu(locales, 3, 22, 60); | |
226 | if (r < 0) | |
227 | return r; | |
228 | ||
229 | putchar('\n'); | |
230 | ||
231 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
232 | if (r < 0) | |
233 | return r; | |
234 | ||
235 | if (isempty(arg_locale)) | |
236 | return 0; | |
237 | ||
238 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
239 | if (r < 0) | |
240 | return r; | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | static int process_locale(void) { | |
246 | const char *etc_localeconf; | |
247 | char* locales[3]; | |
248 | unsigned i = 0; | |
249 | int r; | |
250 | ||
1d13f648 | 251 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
b3cd687d | 252 | if (laccess(etc_localeconf, F_OK) >= 0) |
418b9be5 LP |
253 | return 0; |
254 | ||
255 | if (arg_copy_locale && arg_root) { | |
256 | ||
257 | mkdir_parents(etc_localeconf, 0755); | |
1c876927 | 258 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, COPY_REFLINK); |
418b9be5 | 259 | if (r != -ENOENT) { |
23bbb0de MS |
260 | if (r < 0) |
261 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
262 | |
263 | log_info("%s copied.", etc_localeconf); | |
264 | return 0; | |
265 | } | |
266 | } | |
267 | ||
268 | r = prompt_locale(); | |
269 | if (r < 0) | |
270 | return r; | |
271 | ||
272 | if (!isempty(arg_locale)) | |
63c372cb | 273 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 274 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 275 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
276 | |
277 | if (i == 0) | |
278 | return 0; | |
279 | ||
280 | locales[i] = NULL; | |
281 | ||
282 | mkdir_parents(etc_localeconf, 0755); | |
283 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
284 | if (r < 0) |
285 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
286 | |
287 | log_info("%s written.", etc_localeconf); | |
288 | return 0; | |
289 | } | |
290 | ||
ed457f13 TB |
291 | static int prompt_keymap(void) { |
292 | _cleanup_strv_free_ char **kmaps = NULL; | |
293 | int r; | |
294 | ||
295 | if (arg_keymap) | |
296 | return 0; | |
297 | ||
298 | if (!arg_prompt_keymap) | |
299 | return 0; | |
300 | ||
301 | r = get_keymaps(&kmaps); | |
302 | if (r == -ENOENT) /* no keymaps installed */ | |
303 | return r; | |
304 | if (r < 0) | |
305 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
306 | ||
307 | print_welcome(); | |
308 | ||
309 | printf("\nAvailable keymaps:\n\n"); | |
310 | r = show_menu(kmaps, 3, 22, 60); | |
311 | if (r < 0) | |
312 | return r; | |
313 | ||
314 | putchar('\n'); | |
315 | ||
316 | r = prompt_loop("Please enter system keymap name or number", kmaps, keymap_is_valid, &arg_keymap); | |
317 | if (r < 0) | |
318 | return r; | |
319 | ||
320 | if (isempty(arg_keymap)) | |
321 | return 0; | |
322 | ||
323 | return 0; | |
324 | } | |
325 | ||
326 | static int process_keymap(void) { | |
327 | const char *etc_vconsoleconf; | |
328 | char **keymap; | |
329 | int r; | |
330 | ||
331 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
332 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
333 | return 0; | |
334 | ||
335 | if (arg_copy_keymap && arg_root) { | |
336 | ||
337 | mkdir_parents(etc_vconsoleconf, 0755); | |
338 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, COPY_REFLINK); | |
339 | if (r != -ENOENT) { | |
340 | if (r < 0) | |
341 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
342 | ||
343 | log_info("%s copied.", etc_vconsoleconf); | |
344 | return 0; | |
345 | } | |
346 | } | |
347 | ||
348 | r = prompt_keymap(); | |
349 | if (r == -ENOENT) | |
350 | return 0; /* don't fail if no keymaps are installed */ | |
351 | if (r < 0) | |
352 | return r; | |
353 | ||
354 | if (!isempty(arg_keymap)) | |
355 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); | |
356 | ||
357 | if (!keymap) | |
358 | return 0; | |
359 | ||
360 | mkdir_parents(etc_vconsoleconf, 0755); | |
361 | r = write_env_file(etc_vconsoleconf, keymap); | |
362 | if (r < 0) | |
363 | return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); | |
364 | ||
365 | log_info("%s written.", etc_vconsoleconf); | |
366 | return 0; | |
367 | } | |
368 | ||
418b9be5 LP |
369 | static int prompt_timezone(void) { |
370 | _cleanup_strv_free_ char **zones = NULL; | |
371 | int r; | |
372 | ||
373 | if (arg_timezone) | |
374 | return 0; | |
375 | ||
376 | if (!arg_prompt_timezone) | |
377 | return 0; | |
378 | ||
379 | r = get_timezones(&zones); | |
23bbb0de MS |
380 | if (r < 0) |
381 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
382 | |
383 | print_welcome(); | |
384 | ||
385 | printf("\nAvailable Time Zones:\n\n"); | |
386 | r = show_menu(zones, 3, 22, 30); | |
387 | if (r < 0) | |
388 | return r; | |
389 | ||
390 | putchar('\n'); | |
391 | ||
392 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); | |
393 | if (r < 0) | |
394 | return r; | |
395 | ||
396 | return 0; | |
397 | } | |
398 | ||
399 | static int process_timezone(void) { | |
400 | const char *etc_localtime, *e; | |
401 | int r; | |
402 | ||
1d13f648 | 403 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
b3cd687d | 404 | if (laccess(etc_localtime, F_OK) >= 0) |
418b9be5 LP |
405 | return 0; |
406 | ||
407 | if (arg_copy_timezone && arg_root) { | |
408 | _cleanup_free_ char *p = NULL; | |
409 | ||
410 | r = readlink_malloc("/etc/localtime", &p); | |
411 | if (r != -ENOENT) { | |
23bbb0de MS |
412 | if (r < 0) |
413 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
414 | |
415 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
416 | if (symlink(p, etc_localtime) < 0) |
417 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
418 | |
419 | log_info("%s copied.", etc_localtime); | |
420 | return 0; | |
421 | } | |
422 | } | |
423 | ||
424 | r = prompt_timezone(); | |
425 | if (r < 0) | |
426 | return r; | |
427 | ||
428 | if (isempty(arg_timezone)) | |
429 | return 0; | |
430 | ||
63c372cb | 431 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
432 | |
433 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
434 | if (symlink(e, etc_localtime) < 0) |
435 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
436 | |
437 | log_info("%s written", etc_localtime); | |
438 | return 0; | |
439 | } | |
440 | ||
441 | static int prompt_hostname(void) { | |
442 | int r; | |
443 | ||
444 | if (arg_hostname) | |
445 | return 0; | |
446 | ||
447 | if (!arg_prompt_hostname) | |
448 | return 0; | |
449 | ||
450 | print_welcome(); | |
451 | putchar('\n'); | |
452 | ||
453 | for (;;) { | |
454 | _cleanup_free_ char *h = NULL; | |
455 | ||
323b7dc9 | 456 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(TRIANGULAR_BULLET)); |
23bbb0de MS |
457 | if (r < 0) |
458 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
459 | |
460 | if (isempty(h)) { | |
461 | log_warning("No hostname entered, skipping."); | |
462 | break; | |
463 | } | |
464 | ||
34ad6090 | 465 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
466 | log_error("Specified hostname invalid."); |
467 | continue; | |
468 | } | |
469 | ||
34ad6090 | 470 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 471 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
472 | h = NULL; |
473 | break; | |
474 | } | |
475 | ||
476 | return 0; | |
477 | } | |
478 | ||
479 | static int process_hostname(void) { | |
480 | const char *etc_hostname; | |
481 | int r; | |
482 | ||
1d13f648 | 483 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
b3cd687d | 484 | if (laccess(etc_hostname, F_OK) >= 0) |
418b9be5 LP |
485 | return 0; |
486 | ||
487 | r = prompt_hostname(); | |
488 | if (r < 0) | |
489 | return r; | |
490 | ||
491 | if (isempty(arg_hostname)) | |
492 | return 0; | |
493 | ||
494 | mkdir_parents(etc_hostname, 0755); | |
0675e94a AJ |
495 | r = write_string_file(etc_hostname, arg_hostname, |
496 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
497 | if (r < 0) |
498 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
499 | |
500 | log_info("%s written.", etc_hostname); | |
501 | return 0; | |
502 | } | |
503 | ||
504 | static int process_machine_id(void) { | |
505 | const char *etc_machine_id; | |
506 | char id[SD_ID128_STRING_MAX]; | |
507 | int r; | |
508 | ||
1d13f648 | 509 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
b3cd687d | 510 | if (laccess(etc_machine_id, F_OK) >= 0) |
418b9be5 LP |
511 | return 0; |
512 | ||
3bbaff3e | 513 | if (sd_id128_is_null(arg_machine_id)) |
418b9be5 LP |
514 | return 0; |
515 | ||
516 | mkdir_parents(etc_machine_id, 0755); | |
0675e94a AJ |
517 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), |
518 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
519 | if (r < 0) |
520 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
521 | |
522 | log_info("%s written.", etc_machine_id); | |
523 | return 0; | |
524 | } | |
525 | ||
526 | static int prompt_root_password(void) { | |
527 | const char *msg1, *msg2, *etc_shadow; | |
528 | int r; | |
529 | ||
530 | if (arg_root_password) | |
531 | return 0; | |
532 | ||
533 | if (!arg_prompt_root_password) | |
534 | return 0; | |
535 | ||
1d13f648 | 536 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 537 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
538 | return 0; |
539 | ||
540 | print_welcome(); | |
541 | putchar('\n'); | |
542 | ||
323b7dc9 ZJS |
543 | msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
544 | msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
545 | |
546 | for (;;) { | |
ab84f5b9 | 547 | _cleanup_string_free_erase_ char *a = NULL, *b = NULL; |
418b9be5 | 548 | |
e287086b | 549 | r = ask_password_tty(msg1, NULL, 0, 0, NULL, &a); |
23bbb0de MS |
550 | if (r < 0) |
551 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
552 | |
553 | if (isempty(a)) { | |
554 | log_warning("No password entered, skipping."); | |
555 | break; | |
556 | } | |
557 | ||
e287086b | 558 | r = ask_password_tty(msg2, NULL, 0, 0, NULL, &b); |
ab84f5b9 | 559 | if (r < 0) |
00843602 | 560 | return log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
561 | |
562 | if (!streq(a, b)) { | |
563 | log_error("Entered passwords did not match, please try again."); | |
418b9be5 LP |
564 | continue; |
565 | } | |
566 | ||
418b9be5 LP |
567 | arg_root_password = a; |
568 | a = NULL; | |
569 | break; | |
570 | } | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
575 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
576 | _cleanup_fclose_ FILE *f = NULL; | |
577 | assert(path); | |
578 | assert(p); | |
579 | ||
3250929b LP |
580 | RUN_WITH_UMASK(0777) |
581 | f = fopen(path, "wex"); | |
418b9be5 LP |
582 | if (!f) |
583 | return -errno; | |
584 | ||
585 | errno = 0; | |
586 | if (putspent(p, f) != 0) | |
f5e5c28f | 587 | return errno > 0 ? -errno : -EIO; |
418b9be5 | 588 | |
0675e94a | 589 | return fflush_sync_and_check(f); |
418b9be5 LP |
590 | } |
591 | ||
592 | static int process_root_password(void) { | |
593 | ||
594 | static const char table[] = | |
595 | "abcdefghijklmnopqrstuvwxyz" | |
596 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
597 | "0123456789" | |
598 | "./"; | |
599 | ||
600 | struct spwd item = { | |
601 | .sp_namp = (char*) "root", | |
ad525df8 IS |
602 | .sp_min = -1, |
603 | .sp_max = -1, | |
604 | .sp_warn = -1, | |
418b9be5 LP |
605 | .sp_inact = -1, |
606 | .sp_expire = -1, | |
607 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
608 | }; | |
45035609 LP |
609 | |
610 | _cleanup_close_ int lock = -1; | |
418b9be5 LP |
611 | char salt[3+16+1+1]; |
612 | uint8_t raw[16]; | |
613 | unsigned i; | |
614 | char *j; | |
615 | ||
616 | const char *etc_shadow; | |
617 | int r; | |
618 | ||
1d13f648 | 619 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 620 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
621 | return 0; |
622 | ||
45035609 LP |
623 | mkdir_parents(etc_shadow, 0755); |
624 | ||
e929bee0 | 625 | lock = take_etc_passwd_lock(arg_root); |
45035609 | 626 | if (lock < 0) |
db260eed | 627 | return log_error_errno(lock, "Failed to take a lock: %m"); |
45035609 | 628 | |
418b9be5 LP |
629 | if (arg_copy_root_password && arg_root) { |
630 | struct spwd *p; | |
631 | ||
632 | errno = 0; | |
633 | p = getspnam("root"); | |
634 | if (p || errno != ENOENT) { | |
635 | if (!p) { | |
636 | if (!errno) | |
637 | errno = EIO; | |
638 | ||
e1427b13 | 639 | return log_error_errno(errno, "Failed to find shadow entry for root: %m"); |
418b9be5 LP |
640 | } |
641 | ||
642 | r = write_root_shadow(etc_shadow, p); | |
23bbb0de MS |
643 | if (r < 0) |
644 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
645 | |
646 | log_info("%s copied.", etc_shadow); | |
647 | return 0; | |
648 | } | |
649 | } | |
650 | ||
651 | r = prompt_root_password(); | |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
655 | if (!arg_root_password) | |
656 | return 0; | |
657 | ||
f0d09059 | 658 | r = acquire_random_bytes(raw, 16, true); |
23bbb0de MS |
659 | if (r < 0) |
660 | return log_error_errno(r, "Failed to get salt: %m"); | |
418b9be5 LP |
661 | |
662 | /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ | |
663 | assert_cc(sizeof(table) == 64 + 1); | |
664 | j = stpcpy(salt, "$6$"); | |
665 | for (i = 0; i < 16; i++) | |
666 | j[i] = table[raw[i] & 63]; | |
667 | j[i++] = '$'; | |
668 | j[i] = 0; | |
669 | ||
670 | errno = 0; | |
671 | item.sp_pwdp = crypt(arg_root_password, salt); | |
672 | if (!item.sp_pwdp) { | |
673 | if (!errno) | |
4546c341 | 674 | errno = EINVAL; |
418b9be5 | 675 | |
e1427b13 | 676 | return log_error_errno(errno, "Failed to encrypt password: %m"); |
418b9be5 LP |
677 | } |
678 | ||
679 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
680 | ||
681 | r = write_root_shadow(etc_shadow, &item); | |
23bbb0de MS |
682 | if (r < 0) |
683 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
684 | |
685 | log_info("%s written.", etc_shadow); | |
686 | return 0; | |
687 | } | |
688 | ||
601185b4 | 689 | static void help(void) { |
418b9be5 LP |
690 | printf("%s [OPTIONS...]\n\n" |
691 | "Configures basic settings of the system.\n\n" | |
692 | " -h --help Show this help\n" | |
693 | " --version Show package version\n" | |
694 | " --root=PATH Operate on an alternate filesystem root\n" | |
695 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
696 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
ed457f13 | 697 | " --keymap=KEYMAP Set keymap\n" |
418b9be5 LP |
698 | " --timezone=TIMEZONE Set timezone\n" |
699 | " --hostname=NAME Set host name\n" | |
700 | " --machine-ID=ID Set machine ID\n" | |
701 | " --root-password=PASSWORD Set root password\n" | |
702 | " --root-password-file=FILE Set root password from file\n" | |
703 | " --prompt-locale Prompt the user for locale settings\n" | |
ed457f13 | 704 | " --prompt-keymap Prompt the user for keymap settings\n" |
418b9be5 LP |
705 | " --prompt-timezone Prompt the user for timezone\n" |
706 | " --prompt-hostname Prompt the user for hostname\n" | |
707 | " --prompt-root-password Prompt the user for root password\n" | |
b57b0625 | 708 | " --prompt Prompt for all of the above\n" |
418b9be5 | 709 | " --copy-locale Copy locale from host\n" |
ed457f13 | 710 | " --copy-keymap Copy keymap from host\n" |
418b9be5 LP |
711 | " --copy-timezone Copy timezone from host\n" |
712 | " --copy-root-password Copy root password from host\n" | |
ed457f13 | 713 | " --copy Copy locale, keymap, timezone, root password\n" |
601185b4 ZJS |
714 | " --setup-machine-id Generate a new random machine ID\n" |
715 | , program_invocation_short_name); | |
418b9be5 LP |
716 | } |
717 | ||
718 | static int parse_argv(int argc, char *argv[]) { | |
719 | ||
720 | enum { | |
721 | ARG_VERSION = 0x100, | |
722 | ARG_ROOT, | |
723 | ARG_LOCALE, | |
724 | ARG_LOCALE_MESSAGES, | |
ed457f13 | 725 | ARG_KEYMAP, |
418b9be5 LP |
726 | ARG_TIMEZONE, |
727 | ARG_HOSTNAME, | |
728 | ARG_MACHINE_ID, | |
729 | ARG_ROOT_PASSWORD, | |
730 | ARG_ROOT_PASSWORD_FILE, | |
731 | ARG_PROMPT, | |
732 | ARG_PROMPT_LOCALE, | |
ed457f13 | 733 | ARG_PROMPT_KEYMAP, |
418b9be5 LP |
734 | ARG_PROMPT_TIMEZONE, |
735 | ARG_PROMPT_HOSTNAME, | |
736 | ARG_PROMPT_ROOT_PASSWORD, | |
737 | ARG_COPY, | |
738 | ARG_COPY_LOCALE, | |
ed457f13 | 739 | ARG_COPY_KEYMAP, |
418b9be5 LP |
740 | ARG_COPY_TIMEZONE, |
741 | ARG_COPY_ROOT_PASSWORD, | |
742 | ARG_SETUP_MACHINE_ID, | |
743 | }; | |
744 | ||
745 | static const struct option options[] = { | |
746 | { "help", no_argument, NULL, 'h' }, | |
747 | { "version", no_argument, NULL, ARG_VERSION }, | |
748 | { "root", required_argument, NULL, ARG_ROOT }, | |
749 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
750 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
ed457f13 | 751 | { "keymap", required_argument, NULL, ARG_KEYMAP }, |
418b9be5 LP |
752 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, |
753 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
754 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
755 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
756 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
757 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
758 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
ed457f13 | 759 | { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP }, |
418b9be5 LP |
760 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, |
761 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
762 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
763 | { "copy", no_argument, NULL, ARG_COPY }, | |
764 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
ed457f13 | 765 | { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP }, |
418b9be5 LP |
766 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, |
767 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
768 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
769 | {} | |
770 | }; | |
771 | ||
772 | int r, c; | |
773 | ||
774 | assert(argc >= 0); | |
775 | assert(argv); | |
776 | ||
601185b4 | 777 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
418b9be5 LP |
778 | |
779 | switch (c) { | |
780 | ||
781 | case 'h': | |
601185b4 ZJS |
782 | help(); |
783 | return 0; | |
418b9be5 LP |
784 | |
785 | case ARG_VERSION: | |
3f6fd1ba | 786 | return version(); |
418b9be5 LP |
787 | |
788 | case ARG_ROOT: | |
0f03c2a4 | 789 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
0f474365 | 790 | if (r < 0) |
0f03c2a4 | 791 | return r; |
418b9be5 LP |
792 | break; |
793 | ||
794 | case ARG_LOCALE: | |
795 | if (!locale_is_valid(optarg)) { | |
796 | log_error("Locale %s is not valid.", optarg); | |
797 | return -EINVAL; | |
798 | } | |
799 | ||
2fc09a9c DM |
800 | r = free_and_strdup(&arg_locale, optarg); |
801 | if (r < 0) | |
418b9be5 LP |
802 | return log_oom(); |
803 | ||
804 | break; | |
805 | ||
806 | case ARG_LOCALE_MESSAGES: | |
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_messages, optarg); |
813 | if (r < 0) | |
418b9be5 LP |
814 | return log_oom(); |
815 | ||
816 | break; | |
817 | ||
ed457f13 TB |
818 | case ARG_KEYMAP: |
819 | if (!keymap_is_valid(optarg)) { | |
820 | log_error("Keymap %s is not valid.", optarg); | |
821 | return -EINVAL; | |
822 | } | |
823 | ||
824 | r = free_and_strdup(&arg_keymap, optarg); | |
825 | if (r < 0) | |
826 | return log_oom(); | |
827 | ||
828 | break; | |
829 | ||
418b9be5 LP |
830 | case ARG_TIMEZONE: |
831 | if (!timezone_is_valid(optarg)) { | |
832 | log_error("Timezone %s is not valid.", optarg); | |
833 | return -EINVAL; | |
834 | } | |
835 | ||
2fc09a9c DM |
836 | r = free_and_strdup(&arg_timezone, optarg); |
837 | if (r < 0) | |
418b9be5 LP |
838 | return log_oom(); |
839 | ||
840 | break; | |
841 | ||
842 | case ARG_ROOT_PASSWORD: | |
2fc09a9c DM |
843 | r = free_and_strdup(&arg_root_password, optarg); |
844 | if (r < 0) | |
418b9be5 | 845 | return log_oom(); |
418b9be5 LP |
846 | break; |
847 | ||
848 | case ARG_ROOT_PASSWORD_FILE: | |
0da16248 | 849 | arg_root_password = mfree(arg_root_password); |
418b9be5 LP |
850 | |
851 | r = read_one_line_file(optarg, &arg_root_password); | |
23bbb0de MS |
852 | if (r < 0) |
853 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
418b9be5 LP |
854 | |
855 | break; | |
856 | ||
857 | case ARG_HOSTNAME: | |
34ad6090 | 858 | if (!hostname_is_valid(optarg, true)) { |
418b9be5 LP |
859 | log_error("Host name %s is not valid.", optarg); |
860 | return -EINVAL; | |
861 | } | |
862 | ||
ae691c1d | 863 | hostname_cleanup(optarg); |
2fc09a9c DM |
864 | r = free_and_strdup(&arg_hostname, optarg); |
865 | if (r < 0) | |
418b9be5 LP |
866 | return log_oom(); |
867 | ||
868 | break; | |
869 | ||
870 | case ARG_MACHINE_ID: | |
871 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { | |
872 | log_error("Failed to parse machine id %s.", optarg); | |
873 | return -EINVAL; | |
874 | } | |
875 | ||
876 | break; | |
877 | ||
878 | case ARG_PROMPT: | |
ed457f13 | 879 | arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; |
418b9be5 LP |
880 | break; |
881 | ||
882 | case ARG_PROMPT_LOCALE: | |
883 | arg_prompt_locale = true; | |
884 | break; | |
885 | ||
ed457f13 TB |
886 | case ARG_PROMPT_KEYMAP: |
887 | arg_prompt_keymap = true; | |
888 | break; | |
889 | ||
418b9be5 LP |
890 | case ARG_PROMPT_TIMEZONE: |
891 | arg_prompt_timezone = true; | |
892 | break; | |
893 | ||
894 | case ARG_PROMPT_HOSTNAME: | |
895 | arg_prompt_hostname = true; | |
896 | break; | |
897 | ||
898 | case ARG_PROMPT_ROOT_PASSWORD: | |
899 | arg_prompt_root_password = true; | |
900 | break; | |
901 | ||
902 | case ARG_COPY: | |
ed457f13 | 903 | arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true; |
e926f647 | 904 | break; |
418b9be5 LP |
905 | |
906 | case ARG_COPY_LOCALE: | |
907 | arg_copy_locale = true; | |
908 | break; | |
909 | ||
ed457f13 TB |
910 | case ARG_COPY_KEYMAP: |
911 | arg_copy_keymap = true; | |
912 | break; | |
913 | ||
418b9be5 LP |
914 | case ARG_COPY_TIMEZONE: |
915 | arg_copy_timezone = true; | |
916 | break; | |
917 | ||
918 | case ARG_COPY_ROOT_PASSWORD: | |
919 | arg_copy_root_password = true; | |
920 | break; | |
921 | ||
922 | case ARG_SETUP_MACHINE_ID: | |
923 | ||
924 | r = sd_id128_randomize(&arg_machine_id); | |
23bbb0de MS |
925 | if (r < 0) |
926 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
418b9be5 LP |
927 | |
928 | break; | |
929 | ||
930 | case '?': | |
931 | return -EINVAL; | |
932 | ||
933 | default: | |
934 | assert_not_reached("Unhandled option"); | |
935 | } | |
418b9be5 LP |
936 | |
937 | return 1; | |
938 | } | |
939 | ||
940 | int main(int argc, char *argv[]) { | |
1d84ad94 | 941 | bool enabled; |
418b9be5 LP |
942 | int r; |
943 | ||
944 | r = parse_argv(argc, argv); | |
945 | if (r <= 0) | |
946 | goto finish; | |
947 | ||
948 | log_set_target(LOG_TARGET_AUTO); | |
949 | log_parse_environment(); | |
950 | log_open(); | |
951 | ||
952 | umask(0022); | |
953 | ||
1d84ad94 LP |
954 | r = proc_cmdline_get_bool("systemd.firstboot", &enabled); |
955 | if (r < 0) { | |
956 | log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring."); | |
957 | goto finish; | |
958 | } | |
959 | if (r > 0 && !enabled) { | |
960 | r = 0; /* disabled */ | |
961 | goto finish; | |
f582cbca LP |
962 | } |
963 | ||
418b9be5 LP |
964 | r = process_locale(); |
965 | if (r < 0) | |
966 | goto finish; | |
967 | ||
ed457f13 TB |
968 | r = process_keymap(); |
969 | if (r < 0) | |
970 | goto finish; | |
971 | ||
418b9be5 LP |
972 | r = process_timezone(); |
973 | if (r < 0) | |
974 | goto finish; | |
975 | ||
976 | r = process_hostname(); | |
977 | if (r < 0) | |
978 | goto finish; | |
979 | ||
980 | r = process_machine_id(); | |
981 | if (r < 0) | |
982 | goto finish; | |
983 | ||
984 | r = process_root_password(); | |
985 | if (r < 0) | |
986 | goto finish; | |
987 | ||
988 | finish: | |
989 | free(arg_root); | |
990 | free(arg_locale); | |
991 | free(arg_locale_messages); | |
ed457f13 | 992 | free(arg_keymap); |
418b9be5 LP |
993 | free(arg_timezone); |
994 | free(arg_hostname); | |
1602b008 | 995 | string_erase(arg_root_password); |
418b9be5 LP |
996 | free(arg_root_password); |
997 | ||
998 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
999 | } |