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Commit | Line | Data |
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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 | |
418b9be5 LP |
6 | ***/ |
7 | ||
418b9be5 | 8 | #include <fcntl.h> |
418b9be5 | 9 | #include <getopt.h> |
3f6fd1ba | 10 | #include <unistd.h> |
418b9be5 | 11 | |
9f555bba BE |
12 | #ifdef HAVE_CRYPT_H |
13 | /* libxcrypt is a replacement for glibc's libcrypt, and libcrypt might be | |
14 | * removed from glibc at some point. As part of the removal, defines for | |
15 | * crypt(3) are dropped from unistd.h, and we must include crypt.h instead. | |
16 | * | |
17 | * Newer versions of glibc (v2.0+) already ship crypt.h with a definition | |
18 | * of crypt(3) as well, so we simply include it if it is present. MariaDB, | |
19 | * MySQL, PostgreSQL, Perl and some other wide-spread packages do it the | |
20 | * same way since ages without any problems. | |
21 | */ | |
22 | # include <crypt.h> | |
23 | #endif | |
24 | ||
dccca82b LP |
25 | #include "sd-id128.h" |
26 | ||
b5efdb8a | 27 | #include "alloc-util.h" |
3f6fd1ba | 28 | #include "ask-password-api.h" |
418b9be5 | 29 | #include "copy.h" |
6bedfcbb | 30 | #include "fd-util.h" |
3f6fd1ba | 31 | #include "fileio.h" |
f4f15635 | 32 | #include "fs-util.h" |
3f6fd1ba LP |
33 | #include "hostname-util.h" |
34 | #include "locale-util.h" | |
418b9be5 | 35 | #include "mkdir.h" |
6bedfcbb | 36 | #include "parse-util.h" |
418b9be5 | 37 | #include "path-util.h" |
f582cbca | 38 | #include "proc-cmdline.h" |
3df3e884 | 39 | #include "random-util.h" |
6bedfcbb | 40 | #include "string-util.h" |
3f6fd1ba | 41 | #include "strv.h" |
288a74cc | 42 | #include "terminal-util.h" |
3f6fd1ba | 43 | #include "time-util.h" |
affb60b1 | 44 | #include "umask-util.h" |
e929bee0 | 45 | #include "user-util.h" |
418b9be5 LP |
46 | |
47 | static char *arg_root = NULL; | |
48 | static char *arg_locale = NULL; /* $LANG */ | |
ed457f13 | 49 | static char *arg_keymap = NULL; |
418b9be5 LP |
50 | static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ |
51 | static char *arg_timezone = NULL; | |
52 | static char *arg_hostname = NULL; | |
53 | static sd_id128_t arg_machine_id = {}; | |
54 | static char *arg_root_password = NULL; | |
55 | static bool arg_prompt_locale = false; | |
ed457f13 | 56 | static bool arg_prompt_keymap = false; |
418b9be5 LP |
57 | static bool arg_prompt_timezone = false; |
58 | static bool arg_prompt_hostname = false; | |
59 | static bool arg_prompt_root_password = false; | |
60 | static bool arg_copy_locale = false; | |
ed457f13 | 61 | static bool arg_copy_keymap = false; |
418b9be5 LP |
62 | static bool arg_copy_timezone = false; |
63 | static bool arg_copy_root_password = false; | |
64 | ||
418b9be5 LP |
65 | static bool press_any_key(void) { |
66 | char k = 0; | |
67 | bool need_nl = true; | |
68 | ||
69 | printf("-- Press any key to proceed --"); | |
70 | fflush(stdout); | |
71 | ||
94956f8f | 72 | (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); |
418b9be5 LP |
73 | |
74 | if (need_nl) | |
75 | putchar('\n'); | |
76 | ||
77 | return k != 'q'; | |
78 | } | |
79 | ||
80 | static void print_welcome(void) { | |
81 | _cleanup_free_ char *pretty_name = NULL; | |
82 | const char *os_release = NULL; | |
83 | static bool done = false; | |
84 | int r; | |
85 | ||
86 | if (done) | |
87 | return; | |
88 | ||
1d13f648 | 89 | os_release = prefix_roota(arg_root, "/etc/os-release"); |
1a5a177e | 90 | r = parse_env_file(NULL, os_release, NEWLINE, |
418b9be5 LP |
91 | "PRETTY_NAME", &pretty_name, |
92 | NULL); | |
93 | if (r == -ENOENT) { | |
94 | ||
1d13f648 | 95 | os_release = prefix_roota(arg_root, "/usr/lib/os-release"); |
1a5a177e | 96 | r = parse_env_file(NULL, os_release, NEWLINE, |
418b9be5 LP |
97 | "PRETTY_NAME", &pretty_name, |
98 | NULL); | |
99 | } | |
100 | ||
101 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 102 | log_warning_errno(r, "Failed to read os-release file: %m"); |
418b9be5 LP |
103 | |
104 | printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", | |
105 | isempty(pretty_name) ? "Linux" : pretty_name); | |
106 | ||
107 | press_any_key(); | |
108 | ||
109 | done = true; | |
110 | } | |
111 | ||
112 | static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { | |
418b9be5 | 113 | unsigned break_lines, break_modulo; |
da6053d0 | 114 | size_t n, per_column, i, j; |
418b9be5 LP |
115 | |
116 | assert(n_columns > 0); | |
117 | ||
118 | n = strv_length(x); | |
be6b0c21 | 119 | per_column = DIV_ROUND_UP(n, n_columns); |
418b9be5 LP |
120 | |
121 | break_lines = lines(); | |
122 | if (break_lines > 2) | |
123 | break_lines--; | |
124 | ||
125 | /* The first page gets two extra lines, since we want to show | |
126 | * a title */ | |
127 | break_modulo = break_lines; | |
128 | if (break_modulo > 3) | |
129 | break_modulo -= 3; | |
130 | ||
131 | for (i = 0; i < per_column; i++) { | |
132 | ||
133 | for (j = 0; j < n_columns; j ++) { | |
134 | _cleanup_free_ char *e = NULL; | |
135 | ||
136 | if (j * per_column + i >= n) | |
137 | break; | |
138 | ||
139 | e = ellipsize(x[j * per_column + i], width, percentage); | |
140 | if (!e) | |
141 | return log_oom(); | |
142 | ||
da6053d0 | 143 | printf("%4zu) %-*s", j * per_column + i + 1, width, e); |
418b9be5 LP |
144 | } |
145 | ||
146 | putchar('\n'); | |
147 | ||
148 | /* on the first screen we reserve 2 extra lines for the title */ | |
149 | if (i % break_lines == break_modulo) { | |
150 | if (!press_any_key()) | |
151 | return 0; | |
152 | } | |
153 | } | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { | |
159 | int r; | |
160 | ||
161 | assert(text); | |
162 | assert(is_valid); | |
163 | assert(ret); | |
164 | ||
165 | for (;;) { | |
166 | _cleanup_free_ char *p = NULL; | |
167 | unsigned u; | |
168 | ||
323b7dc9 | 169 | r = ask_string(&p, "%s %s (empty to skip): ", special_glyph(TRIANGULAR_BULLET), text); |
23bbb0de MS |
170 | if (r < 0) |
171 | return log_error_errno(r, "Failed to query user: %m"); | |
418b9be5 LP |
172 | |
173 | if (isempty(p)) { | |
174 | log_warning("No data entered, skipping."); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | r = safe_atou(p, &u); | |
179 | if (r >= 0) { | |
180 | char *c; | |
181 | ||
182 | if (u <= 0 || u > strv_length(l)) { | |
183 | log_error("Specified entry number out of range."); | |
184 | continue; | |
185 | } | |
186 | ||
187 | log_info("Selected '%s'.", l[u-1]); | |
188 | ||
189 | c = strdup(l[u-1]); | |
190 | if (!c) | |
191 | return log_oom(); | |
192 | ||
193 | free(*ret); | |
194 | *ret = c; | |
195 | return 0; | |
196 | } | |
197 | ||
198 | if (!is_valid(p)) { | |
199 | log_error("Entered data invalid."); | |
200 | continue; | |
201 | } | |
202 | ||
203 | free(*ret); | |
204 | *ret = p; | |
205 | p = 0; | |
206 | return 0; | |
207 | } | |
208 | } | |
209 | ||
210 | static int prompt_locale(void) { | |
211 | _cleanup_strv_free_ char **locales = NULL; | |
212 | int r; | |
213 | ||
214 | if (arg_locale || arg_locale_messages) | |
215 | return 0; | |
216 | ||
217 | if (!arg_prompt_locale) | |
218 | return 0; | |
219 | ||
220 | r = get_locales(&locales); | |
23bbb0de MS |
221 | if (r < 0) |
222 | return log_error_errno(r, "Cannot query locales list: %m"); | |
418b9be5 LP |
223 | |
224 | print_welcome(); | |
225 | ||
226 | printf("\nAvailable Locales:\n\n"); | |
227 | r = show_menu(locales, 3, 22, 60); | |
228 | if (r < 0) | |
229 | return r; | |
230 | ||
231 | putchar('\n'); | |
232 | ||
233 | r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); | |
234 | if (r < 0) | |
235 | return r; | |
236 | ||
237 | if (isempty(arg_locale)) | |
238 | return 0; | |
239 | ||
240 | r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); | |
241 | if (r < 0) | |
242 | return r; | |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
247 | static int process_locale(void) { | |
248 | const char *etc_localeconf; | |
249 | char* locales[3]; | |
250 | unsigned i = 0; | |
251 | int r; | |
252 | ||
1d13f648 | 253 | etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); |
b3cd687d | 254 | if (laccess(etc_localeconf, F_OK) >= 0) |
418b9be5 LP |
255 | return 0; |
256 | ||
257 | if (arg_copy_locale && arg_root) { | |
258 | ||
259 | mkdir_parents(etc_localeconf, 0755); | |
1c876927 | 260 | r = copy_file("/etc/locale.conf", etc_localeconf, 0, 0644, 0, COPY_REFLINK); |
418b9be5 | 261 | if (r != -ENOENT) { |
23bbb0de MS |
262 | if (r < 0) |
263 | return log_error_errno(r, "Failed to copy %s: %m", etc_localeconf); | |
418b9be5 LP |
264 | |
265 | log_info("%s copied.", etc_localeconf); | |
266 | return 0; | |
267 | } | |
268 | } | |
269 | ||
270 | r = prompt_locale(); | |
271 | if (r < 0) | |
272 | return r; | |
273 | ||
274 | if (!isempty(arg_locale)) | |
63c372cb | 275 | locales[i++] = strjoina("LANG=", arg_locale); |
418b9be5 | 276 | if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) |
63c372cb | 277 | locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); |
418b9be5 LP |
278 | |
279 | if (i == 0) | |
280 | return 0; | |
281 | ||
282 | locales[i] = NULL; | |
283 | ||
284 | mkdir_parents(etc_localeconf, 0755); | |
285 | r = write_env_file(etc_localeconf, locales); | |
23bbb0de MS |
286 | if (r < 0) |
287 | return log_error_errno(r, "Failed to write %s: %m", etc_localeconf); | |
418b9be5 LP |
288 | |
289 | log_info("%s written.", etc_localeconf); | |
290 | return 0; | |
291 | } | |
292 | ||
ed457f13 TB |
293 | static int prompt_keymap(void) { |
294 | _cleanup_strv_free_ char **kmaps = NULL; | |
295 | int r; | |
296 | ||
297 | if (arg_keymap) | |
298 | return 0; | |
299 | ||
300 | if (!arg_prompt_keymap) | |
301 | return 0; | |
302 | ||
303 | r = get_keymaps(&kmaps); | |
304 | if (r == -ENOENT) /* no keymaps installed */ | |
305 | return r; | |
306 | if (r < 0) | |
307 | return log_error_errno(r, "Failed to read keymaps: %m"); | |
308 | ||
309 | print_welcome(); | |
310 | ||
311 | printf("\nAvailable keymaps:\n\n"); | |
312 | r = show_menu(kmaps, 3, 22, 60); | |
313 | if (r < 0) | |
314 | return r; | |
315 | ||
316 | putchar('\n'); | |
317 | ||
8700b4da ZJS |
318 | return prompt_loop("Please enter system keymap name or number", |
319 | kmaps, keymap_is_valid, &arg_keymap); | |
ed457f13 TB |
320 | } |
321 | ||
322 | static int process_keymap(void) { | |
323 | const char *etc_vconsoleconf; | |
324 | char **keymap; | |
325 | int r; | |
326 | ||
327 | etc_vconsoleconf = prefix_roota(arg_root, "/etc/vconsole.conf"); | |
328 | if (laccess(etc_vconsoleconf, F_OK) >= 0) | |
329 | return 0; | |
330 | ||
331 | if (arg_copy_keymap && arg_root) { | |
332 | ||
333 | mkdir_parents(etc_vconsoleconf, 0755); | |
334 | r = copy_file("/etc/vconsole.conf", etc_vconsoleconf, 0, 0644, 0, COPY_REFLINK); | |
335 | if (r != -ENOENT) { | |
336 | if (r < 0) | |
337 | return log_error_errno(r, "Failed to copy %s: %m", etc_vconsoleconf); | |
338 | ||
339 | log_info("%s copied.", etc_vconsoleconf); | |
340 | return 0; | |
341 | } | |
342 | } | |
343 | ||
344 | r = prompt_keymap(); | |
345 | if (r == -ENOENT) | |
346 | return 0; /* don't fail if no keymaps are installed */ | |
347 | if (r < 0) | |
348 | return r; | |
349 | ||
a7353b4d | 350 | if (isempty(arg_keymap)) |
ed457f13 TB |
351 | return 0; |
352 | ||
a7353b4d YW |
353 | keymap = STRV_MAKE(strjoina("KEYMAP=", arg_keymap)); |
354 | ||
355 | r = mkdir_parents(etc_vconsoleconf, 0755); | |
356 | if (r < 0) | |
357 | return log_error_errno(r, "Failed to create the parent directory of %s: %m", etc_vconsoleconf); | |
358 | ||
ed457f13 TB |
359 | r = write_env_file(etc_vconsoleconf, keymap); |
360 | if (r < 0) | |
361 | return log_error_errno(r, "Failed to write %s: %m", etc_vconsoleconf); | |
362 | ||
363 | log_info("%s written.", etc_vconsoleconf); | |
364 | return 0; | |
365 | } | |
366 | ||
089fb865 MG |
367 | static bool timezone_is_valid_log_error(const char *name) { |
368 | return timezone_is_valid(name, LOG_ERR); | |
369 | } | |
370 | ||
418b9be5 LP |
371 | static int prompt_timezone(void) { |
372 | _cleanup_strv_free_ char **zones = NULL; | |
373 | int r; | |
374 | ||
375 | if (arg_timezone) | |
376 | return 0; | |
377 | ||
378 | if (!arg_prompt_timezone) | |
379 | return 0; | |
380 | ||
381 | r = get_timezones(&zones); | |
23bbb0de MS |
382 | if (r < 0) |
383 | return log_error_errno(r, "Cannot query timezone list: %m"); | |
418b9be5 LP |
384 | |
385 | print_welcome(); | |
386 | ||
387 | printf("\nAvailable Time Zones:\n\n"); | |
388 | r = show_menu(zones, 3, 22, 30); | |
389 | if (r < 0) | |
390 | return r; | |
391 | ||
392 | putchar('\n'); | |
393 | ||
089fb865 | 394 | r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid_log_error, &arg_timezone); |
418b9be5 LP |
395 | if (r < 0) |
396 | return r; | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
401 | static int process_timezone(void) { | |
402 | const char *etc_localtime, *e; | |
403 | int r; | |
404 | ||
1d13f648 | 405 | etc_localtime = prefix_roota(arg_root, "/etc/localtime"); |
b3cd687d | 406 | if (laccess(etc_localtime, F_OK) >= 0) |
418b9be5 LP |
407 | return 0; |
408 | ||
409 | if (arg_copy_timezone && arg_root) { | |
410 | _cleanup_free_ char *p = NULL; | |
411 | ||
412 | r = readlink_malloc("/etc/localtime", &p); | |
413 | if (r != -ENOENT) { | |
23bbb0de MS |
414 | if (r < 0) |
415 | return log_error_errno(r, "Failed to read host timezone: %m"); | |
418b9be5 LP |
416 | |
417 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
418 | if (symlink(p, etc_localtime) < 0) |
419 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
420 | |
421 | log_info("%s copied.", etc_localtime); | |
422 | return 0; | |
423 | } | |
424 | } | |
425 | ||
426 | r = prompt_timezone(); | |
427 | if (r < 0) | |
428 | return r; | |
429 | ||
430 | if (isempty(arg_timezone)) | |
431 | return 0; | |
432 | ||
63c372cb | 433 | e = strjoina("../usr/share/zoneinfo/", arg_timezone); |
418b9be5 LP |
434 | |
435 | mkdir_parents(etc_localtime, 0755); | |
4a62c710 MS |
436 | if (symlink(e, etc_localtime) < 0) |
437 | return log_error_errno(errno, "Failed to create %s symlink: %m", etc_localtime); | |
418b9be5 LP |
438 | |
439 | log_info("%s written", etc_localtime); | |
440 | return 0; | |
441 | } | |
442 | ||
443 | static int prompt_hostname(void) { | |
444 | int r; | |
445 | ||
446 | if (arg_hostname) | |
447 | return 0; | |
448 | ||
449 | if (!arg_prompt_hostname) | |
450 | return 0; | |
451 | ||
452 | print_welcome(); | |
453 | putchar('\n'); | |
454 | ||
455 | for (;;) { | |
456 | _cleanup_free_ char *h = NULL; | |
457 | ||
323b7dc9 | 458 | r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", special_glyph(TRIANGULAR_BULLET)); |
23bbb0de MS |
459 | if (r < 0) |
460 | return log_error_errno(r, "Failed to query hostname: %m"); | |
418b9be5 LP |
461 | |
462 | if (isempty(h)) { | |
463 | log_warning("No hostname entered, skipping."); | |
464 | break; | |
465 | } | |
466 | ||
34ad6090 | 467 | if (!hostname_is_valid(h, true)) { |
418b9be5 LP |
468 | log_error("Specified hostname invalid."); |
469 | continue; | |
470 | } | |
471 | ||
34ad6090 | 472 | /* Get rid of the trailing dot that we allow, but don't want to see */ |
ae691c1d | 473 | arg_hostname = hostname_cleanup(h); |
418b9be5 LP |
474 | h = NULL; |
475 | break; | |
476 | } | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
481 | static int process_hostname(void) { | |
482 | const char *etc_hostname; | |
483 | int r; | |
484 | ||
1d13f648 | 485 | etc_hostname = prefix_roota(arg_root, "/etc/hostname"); |
b3cd687d | 486 | if (laccess(etc_hostname, F_OK) >= 0) |
418b9be5 LP |
487 | return 0; |
488 | ||
489 | r = prompt_hostname(); | |
490 | if (r < 0) | |
491 | return r; | |
492 | ||
493 | if (isempty(arg_hostname)) | |
494 | return 0; | |
495 | ||
496 | mkdir_parents(etc_hostname, 0755); | |
0675e94a AJ |
497 | r = write_string_file(etc_hostname, arg_hostname, |
498 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
499 | if (r < 0) |
500 | return log_error_errno(r, "Failed to write %s: %m", etc_hostname); | |
418b9be5 LP |
501 | |
502 | log_info("%s written.", etc_hostname); | |
503 | return 0; | |
504 | } | |
505 | ||
506 | static int process_machine_id(void) { | |
507 | const char *etc_machine_id; | |
508 | char id[SD_ID128_STRING_MAX]; | |
509 | int r; | |
510 | ||
1d13f648 | 511 | etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); |
b3cd687d | 512 | if (laccess(etc_machine_id, F_OK) >= 0) |
418b9be5 LP |
513 | return 0; |
514 | ||
3bbaff3e | 515 | if (sd_id128_is_null(arg_machine_id)) |
418b9be5 LP |
516 | return 0; |
517 | ||
518 | mkdir_parents(etc_machine_id, 0755); | |
0675e94a AJ |
519 | r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id), |
520 | WRITE_STRING_FILE_CREATE | WRITE_STRING_FILE_SYNC); | |
23bbb0de MS |
521 | if (r < 0) |
522 | return log_error_errno(r, "Failed to write machine id: %m"); | |
418b9be5 LP |
523 | |
524 | log_info("%s written.", etc_machine_id); | |
525 | return 0; | |
526 | } | |
527 | ||
528 | static int prompt_root_password(void) { | |
529 | const char *msg1, *msg2, *etc_shadow; | |
530 | int r; | |
531 | ||
532 | if (arg_root_password) | |
533 | return 0; | |
534 | ||
535 | if (!arg_prompt_root_password) | |
536 | return 0; | |
537 | ||
1d13f648 | 538 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 539 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
540 | return 0; |
541 | ||
542 | print_welcome(); | |
543 | putchar('\n'); | |
544 | ||
323b7dc9 ZJS |
545 | msg1 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); |
546 | msg2 = strjoina(special_glyph(TRIANGULAR_BULLET), " Please enter new root password again: "); | |
418b9be5 LP |
547 | |
548 | for (;;) { | |
ab84f5b9 | 549 | _cleanup_string_free_erase_ char *a = NULL, *b = NULL; |
418b9be5 | 550 | |
daa55720 | 551 | r = ask_password_tty(-1, msg1, NULL, 0, 0, NULL, &a); |
23bbb0de MS |
552 | if (r < 0) |
553 | return log_error_errno(r, "Failed to query root password: %m"); | |
418b9be5 LP |
554 | |
555 | if (isempty(a)) { | |
556 | log_warning("No password entered, skipping."); | |
557 | break; | |
558 | } | |
559 | ||
daa55720 | 560 | r = ask_password_tty(-1, msg2, NULL, 0, 0, NULL, &b); |
ab84f5b9 | 561 | if (r < 0) |
00843602 | 562 | return log_error_errno(r, "Failed to query root password: %m"); |
418b9be5 LP |
563 | |
564 | if (!streq(a, b)) { | |
565 | log_error("Entered passwords did not match, please try again."); | |
418b9be5 LP |
566 | continue; |
567 | } | |
568 | ||
ae2a15bc | 569 | arg_root_password = TAKE_PTR(a); |
418b9be5 LP |
570 | break; |
571 | } | |
572 | ||
573 | return 0; | |
574 | } | |
575 | ||
576 | static int write_root_shadow(const char *path, const struct spwd *p) { | |
577 | _cleanup_fclose_ FILE *f = NULL; | |
100d5f6e FB |
578 | int r; |
579 | ||
418b9be5 LP |
580 | assert(path); |
581 | assert(p); | |
582 | ||
3250929b LP |
583 | RUN_WITH_UMASK(0777) |
584 | f = fopen(path, "wex"); | |
418b9be5 LP |
585 | if (!f) |
586 | return -errno; | |
587 | ||
100d5f6e FB |
588 | r = putspent_sane(p, f); |
589 | if (r < 0) | |
590 | return r; | |
418b9be5 | 591 | |
0675e94a | 592 | return fflush_sync_and_check(f); |
418b9be5 LP |
593 | } |
594 | ||
595 | static int process_root_password(void) { | |
596 | ||
597 | static const char table[] = | |
598 | "abcdefghijklmnopqrstuvwxyz" | |
599 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
600 | "0123456789" | |
601 | "./"; | |
602 | ||
603 | struct spwd item = { | |
604 | .sp_namp = (char*) "root", | |
ad525df8 IS |
605 | .sp_min = -1, |
606 | .sp_max = -1, | |
607 | .sp_warn = -1, | |
418b9be5 LP |
608 | .sp_inact = -1, |
609 | .sp_expire = -1, | |
610 | .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ | |
611 | }; | |
45035609 LP |
612 | |
613 | _cleanup_close_ int lock = -1; | |
418b9be5 LP |
614 | char salt[3+16+1+1]; |
615 | uint8_t raw[16]; | |
616 | unsigned i; | |
617 | char *j; | |
618 | ||
619 | const char *etc_shadow; | |
620 | int r; | |
621 | ||
1d13f648 | 622 | etc_shadow = prefix_roota(arg_root, "/etc/shadow"); |
b3cd687d | 623 | if (laccess(etc_shadow, F_OK) >= 0) |
418b9be5 LP |
624 | return 0; |
625 | ||
45035609 LP |
626 | mkdir_parents(etc_shadow, 0755); |
627 | ||
e929bee0 | 628 | lock = take_etc_passwd_lock(arg_root); |
45035609 | 629 | if (lock < 0) |
db260eed | 630 | return log_error_errno(lock, "Failed to take a lock: %m"); |
45035609 | 631 | |
418b9be5 LP |
632 | if (arg_copy_root_password && arg_root) { |
633 | struct spwd *p; | |
634 | ||
635 | errno = 0; | |
636 | p = getspnam("root"); | |
637 | if (p || errno != ENOENT) { | |
638 | if (!p) { | |
639 | if (!errno) | |
640 | errno = EIO; | |
641 | ||
e1427b13 | 642 | return log_error_errno(errno, "Failed to find shadow entry for root: %m"); |
418b9be5 LP |
643 | } |
644 | ||
645 | r = write_root_shadow(etc_shadow, p); | |
23bbb0de MS |
646 | if (r < 0) |
647 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
648 | |
649 | log_info("%s copied.", etc_shadow); | |
650 | return 0; | |
651 | } | |
652 | } | |
653 | ||
654 | r = prompt_root_password(); | |
655 | if (r < 0) | |
656 | return r; | |
657 | ||
658 | if (!arg_root_password) | |
659 | return 0; | |
660 | ||
f0d09059 | 661 | r = acquire_random_bytes(raw, 16, true); |
23bbb0de MS |
662 | if (r < 0) |
663 | return log_error_errno(r, "Failed to get salt: %m"); | |
418b9be5 LP |
664 | |
665 | /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ | |
666 | assert_cc(sizeof(table) == 64 + 1); | |
667 | j = stpcpy(salt, "$6$"); | |
668 | for (i = 0; i < 16; i++) | |
669 | j[i] = table[raw[i] & 63]; | |
670 | j[i++] = '$'; | |
671 | j[i] = 0; | |
672 | ||
673 | errno = 0; | |
674 | item.sp_pwdp = crypt(arg_root_password, salt); | |
675 | if (!item.sp_pwdp) { | |
676 | if (!errno) | |
4546c341 | 677 | errno = EINVAL; |
418b9be5 | 678 | |
e1427b13 | 679 | return log_error_errno(errno, "Failed to encrypt password: %m"); |
418b9be5 LP |
680 | } |
681 | ||
682 | item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); | |
683 | ||
684 | r = write_root_shadow(etc_shadow, &item); | |
23bbb0de MS |
685 | if (r < 0) |
686 | return log_error_errno(r, "Failed to write %s: %m", etc_shadow); | |
418b9be5 LP |
687 | |
688 | log_info("%s written.", etc_shadow); | |
689 | return 0; | |
690 | } | |
691 | ||
601185b4 | 692 | static void help(void) { |
418b9be5 LP |
693 | printf("%s [OPTIONS...]\n\n" |
694 | "Configures basic settings of the system.\n\n" | |
695 | " -h --help Show this help\n" | |
696 | " --version Show package version\n" | |
697 | " --root=PATH Operate on an alternate filesystem root\n" | |
698 | " --locale=LOCALE Set primary locale (LANG=)\n" | |
699 | " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" | |
ed457f13 | 700 | " --keymap=KEYMAP Set keymap\n" |
418b9be5 LP |
701 | " --timezone=TIMEZONE Set timezone\n" |
702 | " --hostname=NAME Set host name\n" | |
703 | " --machine-ID=ID Set machine ID\n" | |
704 | " --root-password=PASSWORD Set root password\n" | |
705 | " --root-password-file=FILE Set root password from file\n" | |
706 | " --prompt-locale Prompt the user for locale settings\n" | |
ed457f13 | 707 | " --prompt-keymap Prompt the user for keymap settings\n" |
418b9be5 LP |
708 | " --prompt-timezone Prompt the user for timezone\n" |
709 | " --prompt-hostname Prompt the user for hostname\n" | |
710 | " --prompt-root-password Prompt the user for root password\n" | |
b57b0625 | 711 | " --prompt Prompt for all of the above\n" |
418b9be5 | 712 | " --copy-locale Copy locale from host\n" |
ed457f13 | 713 | " --copy-keymap Copy keymap from host\n" |
418b9be5 LP |
714 | " --copy-timezone Copy timezone from host\n" |
715 | " --copy-root-password Copy root password from host\n" | |
ed457f13 | 716 | " --copy Copy locale, keymap, timezone, root password\n" |
601185b4 ZJS |
717 | " --setup-machine-id Generate a new random machine ID\n" |
718 | , program_invocation_short_name); | |
418b9be5 LP |
719 | } |
720 | ||
721 | static int parse_argv(int argc, char *argv[]) { | |
722 | ||
723 | enum { | |
724 | ARG_VERSION = 0x100, | |
725 | ARG_ROOT, | |
726 | ARG_LOCALE, | |
727 | ARG_LOCALE_MESSAGES, | |
ed457f13 | 728 | ARG_KEYMAP, |
418b9be5 LP |
729 | ARG_TIMEZONE, |
730 | ARG_HOSTNAME, | |
731 | ARG_MACHINE_ID, | |
732 | ARG_ROOT_PASSWORD, | |
733 | ARG_ROOT_PASSWORD_FILE, | |
734 | ARG_PROMPT, | |
735 | ARG_PROMPT_LOCALE, | |
ed457f13 | 736 | ARG_PROMPT_KEYMAP, |
418b9be5 LP |
737 | ARG_PROMPT_TIMEZONE, |
738 | ARG_PROMPT_HOSTNAME, | |
739 | ARG_PROMPT_ROOT_PASSWORD, | |
740 | ARG_COPY, | |
741 | ARG_COPY_LOCALE, | |
ed457f13 | 742 | ARG_COPY_KEYMAP, |
418b9be5 LP |
743 | ARG_COPY_TIMEZONE, |
744 | ARG_COPY_ROOT_PASSWORD, | |
745 | ARG_SETUP_MACHINE_ID, | |
746 | }; | |
747 | ||
748 | static const struct option options[] = { | |
749 | { "help", no_argument, NULL, 'h' }, | |
750 | { "version", no_argument, NULL, ARG_VERSION }, | |
751 | { "root", required_argument, NULL, ARG_ROOT }, | |
752 | { "locale", required_argument, NULL, ARG_LOCALE }, | |
753 | { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, | |
ed457f13 | 754 | { "keymap", required_argument, NULL, ARG_KEYMAP }, |
418b9be5 LP |
755 | { "timezone", required_argument, NULL, ARG_TIMEZONE }, |
756 | { "hostname", required_argument, NULL, ARG_HOSTNAME }, | |
757 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, | |
758 | { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, | |
759 | { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, | |
760 | { "prompt", no_argument, NULL, ARG_PROMPT }, | |
761 | { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, | |
ed457f13 | 762 | { "prompt-keymap", no_argument, NULL, ARG_PROMPT_KEYMAP }, |
418b9be5 LP |
763 | { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, |
764 | { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, | |
765 | { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, | |
766 | { "copy", no_argument, NULL, ARG_COPY }, | |
767 | { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, | |
ed457f13 | 768 | { "copy-keymap", no_argument, NULL, ARG_COPY_KEYMAP }, |
418b9be5 LP |
769 | { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, |
770 | { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, | |
771 | { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, | |
772 | {} | |
773 | }; | |
774 | ||
775 | int r, c; | |
776 | ||
777 | assert(argc >= 0); | |
778 | assert(argv); | |
779 | ||
601185b4 | 780 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
418b9be5 LP |
781 | |
782 | switch (c) { | |
783 | ||
784 | case 'h': | |
601185b4 ZJS |
785 | help(); |
786 | return 0; | |
418b9be5 LP |
787 | |
788 | case ARG_VERSION: | |
3f6fd1ba | 789 | return version(); |
418b9be5 LP |
790 | |
791 | case ARG_ROOT: | |
0f03c2a4 | 792 | r = parse_path_argument_and_warn(optarg, true, &arg_root); |
0f474365 | 793 | if (r < 0) |
0f03c2a4 | 794 | return r; |
418b9be5 LP |
795 | break; |
796 | ||
797 | case ARG_LOCALE: | |
798 | if (!locale_is_valid(optarg)) { | |
799 | log_error("Locale %s is not valid.", optarg); | |
800 | return -EINVAL; | |
801 | } | |
802 | ||
2fc09a9c DM |
803 | r = free_and_strdup(&arg_locale, optarg); |
804 | if (r < 0) | |
418b9be5 LP |
805 | return log_oom(); |
806 | ||
807 | break; | |
808 | ||
809 | case ARG_LOCALE_MESSAGES: | |
810 | if (!locale_is_valid(optarg)) { | |
811 | log_error("Locale %s is not valid.", optarg); | |
812 | return -EINVAL; | |
813 | } | |
814 | ||
2fc09a9c DM |
815 | r = free_and_strdup(&arg_locale_messages, optarg); |
816 | if (r < 0) | |
418b9be5 LP |
817 | return log_oom(); |
818 | ||
819 | break; | |
820 | ||
ed457f13 TB |
821 | case ARG_KEYMAP: |
822 | if (!keymap_is_valid(optarg)) { | |
823 | log_error("Keymap %s is not valid.", optarg); | |
824 | return -EINVAL; | |
825 | } | |
826 | ||
827 | r = free_and_strdup(&arg_keymap, optarg); | |
828 | if (r < 0) | |
829 | return log_oom(); | |
830 | ||
831 | break; | |
832 | ||
418b9be5 | 833 | case ARG_TIMEZONE: |
089fb865 | 834 | if (!timezone_is_valid(optarg, LOG_ERR)) { |
418b9be5 LP |
835 | log_error("Timezone %s is not valid.", optarg); |
836 | return -EINVAL; | |
837 | } | |
838 | ||
2fc09a9c DM |
839 | r = free_and_strdup(&arg_timezone, optarg); |
840 | if (r < 0) | |
418b9be5 LP |
841 | return log_oom(); |
842 | ||
843 | break; | |
844 | ||
845 | case ARG_ROOT_PASSWORD: | |
2fc09a9c DM |
846 | r = free_and_strdup(&arg_root_password, optarg); |
847 | if (r < 0) | |
418b9be5 | 848 | return log_oom(); |
418b9be5 LP |
849 | break; |
850 | ||
851 | case ARG_ROOT_PASSWORD_FILE: | |
0da16248 | 852 | arg_root_password = mfree(arg_root_password); |
418b9be5 LP |
853 | |
854 | r = read_one_line_file(optarg, &arg_root_password); | |
23bbb0de MS |
855 | if (r < 0) |
856 | return log_error_errno(r, "Failed to read %s: %m", optarg); | |
418b9be5 LP |
857 | |
858 | break; | |
859 | ||
860 | case ARG_HOSTNAME: | |
34ad6090 | 861 | if (!hostname_is_valid(optarg, true)) { |
418b9be5 LP |
862 | log_error("Host name %s is not valid.", optarg); |
863 | return -EINVAL; | |
864 | } | |
865 | ||
ae691c1d | 866 | hostname_cleanup(optarg); |
2fc09a9c DM |
867 | r = free_and_strdup(&arg_hostname, optarg); |
868 | if (r < 0) | |
418b9be5 LP |
869 | return log_oom(); |
870 | ||
871 | break; | |
872 | ||
873 | case ARG_MACHINE_ID: | |
874 | if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { | |
875 | log_error("Failed to parse machine id %s.", optarg); | |
876 | return -EINVAL; | |
877 | } | |
878 | ||
879 | break; | |
880 | ||
881 | case ARG_PROMPT: | |
ed457f13 | 882 | arg_prompt_locale = arg_prompt_keymap = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; |
418b9be5 LP |
883 | break; |
884 | ||
885 | case ARG_PROMPT_LOCALE: | |
886 | arg_prompt_locale = true; | |
887 | break; | |
888 | ||
ed457f13 TB |
889 | case ARG_PROMPT_KEYMAP: |
890 | arg_prompt_keymap = true; | |
891 | break; | |
892 | ||
418b9be5 LP |
893 | case ARG_PROMPT_TIMEZONE: |
894 | arg_prompt_timezone = true; | |
895 | break; | |
896 | ||
897 | case ARG_PROMPT_HOSTNAME: | |
898 | arg_prompt_hostname = true; | |
899 | break; | |
900 | ||
901 | case ARG_PROMPT_ROOT_PASSWORD: | |
902 | arg_prompt_root_password = true; | |
903 | break; | |
904 | ||
905 | case ARG_COPY: | |
ed457f13 | 906 | arg_copy_locale = arg_copy_keymap = arg_copy_timezone = arg_copy_root_password = true; |
e926f647 | 907 | break; |
418b9be5 LP |
908 | |
909 | case ARG_COPY_LOCALE: | |
910 | arg_copy_locale = true; | |
911 | break; | |
912 | ||
ed457f13 TB |
913 | case ARG_COPY_KEYMAP: |
914 | arg_copy_keymap = true; | |
915 | break; | |
916 | ||
418b9be5 LP |
917 | case ARG_COPY_TIMEZONE: |
918 | arg_copy_timezone = true; | |
919 | break; | |
920 | ||
921 | case ARG_COPY_ROOT_PASSWORD: | |
922 | arg_copy_root_password = true; | |
923 | break; | |
924 | ||
925 | case ARG_SETUP_MACHINE_ID: | |
926 | ||
927 | r = sd_id128_randomize(&arg_machine_id); | |
23bbb0de MS |
928 | if (r < 0) |
929 | return log_error_errno(r, "Failed to generate randomized machine ID: %m"); | |
418b9be5 LP |
930 | |
931 | break; | |
932 | ||
933 | case '?': | |
934 | return -EINVAL; | |
935 | ||
936 | default: | |
937 | assert_not_reached("Unhandled option"); | |
938 | } | |
418b9be5 LP |
939 | |
940 | return 1; | |
941 | } | |
942 | ||
943 | int main(int argc, char *argv[]) { | |
1d84ad94 | 944 | bool enabled; |
418b9be5 LP |
945 | int r; |
946 | ||
947 | r = parse_argv(argc, argv); | |
948 | if (r <= 0) | |
949 | goto finish; | |
950 | ||
951 | log_set_target(LOG_TARGET_AUTO); | |
952 | log_parse_environment(); | |
953 | log_open(); | |
954 | ||
955 | umask(0022); | |
956 | ||
1d84ad94 LP |
957 | r = proc_cmdline_get_bool("systemd.firstboot", &enabled); |
958 | if (r < 0) { | |
959 | log_error_errno(r, "Failed to parse systemd.firstboot= kernel command line argument, ignoring."); | |
960 | goto finish; | |
961 | } | |
962 | if (r > 0 && !enabled) { | |
963 | r = 0; /* disabled */ | |
964 | goto finish; | |
f582cbca LP |
965 | } |
966 | ||
418b9be5 LP |
967 | r = process_locale(); |
968 | if (r < 0) | |
969 | goto finish; | |
970 | ||
ed457f13 TB |
971 | r = process_keymap(); |
972 | if (r < 0) | |
973 | goto finish; | |
974 | ||
418b9be5 LP |
975 | r = process_timezone(); |
976 | if (r < 0) | |
977 | goto finish; | |
978 | ||
979 | r = process_hostname(); | |
980 | if (r < 0) | |
981 | goto finish; | |
982 | ||
983 | r = process_machine_id(); | |
984 | if (r < 0) | |
985 | goto finish; | |
986 | ||
987 | r = process_root_password(); | |
988 | if (r < 0) | |
989 | goto finish; | |
990 | ||
991 | finish: | |
992 | free(arg_root); | |
993 | free(arg_locale); | |
994 | free(arg_locale_messages); | |
ed457f13 | 995 | free(arg_keymap); |
418b9be5 LP |
996 | free(arg_timezone); |
997 | free(arg_hostname); | |
1602b008 | 998 | string_erase(arg_root_password); |
418b9be5 LP |
999 | free(arg_root_password); |
1000 | ||
1001 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
1002 | } |