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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
7b4d7cc0 KS |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
0974a682 KS |
5 | Copyright 2013-2015 Kay Sievers |
6 | Copyright 2013 Lennart Poettering | |
7b4d7cc0 KS |
7 | |
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
6b5cf3ea | 22 | #include <blkid.h> |
0974a682 | 23 | #include <ctype.h> |
3f6fd1ba LP |
24 | #include <dirent.h> |
25 | #include <errno.h> | |
0974a682 | 26 | #include <ftw.h> |
3f6fd1ba LP |
27 | #include <getopt.h> |
28 | #include <limits.h> | |
5fa6c13c | 29 | #include <linux/magic.h> |
0974a682 | 30 | #include <stdbool.h> |
3f6fd1ba LP |
31 | #include <stdio.h> |
32 | #include <stdlib.h> | |
33 | #include <string.h> | |
34 | #include <sys/mman.h> | |
35 | #include <sys/stat.h> | |
36 | #include <sys/statfs.h> | |
37 | #include <unistd.h> | |
7b4d7cc0 | 38 | |
dccca82b LP |
39 | #include "sd-id128.h" |
40 | ||
b5efdb8a | 41 | #include "alloc-util.h" |
3f6fd1ba | 42 | #include "blkid-util.h" |
7e87c7d9 | 43 | #include "bootspec.h" |
175d308c | 44 | #include "copy.h" |
e41256dc | 45 | #include "dirent-util.h" |
0974a682 | 46 | #include "efivars.h" |
3ffd4af2 | 47 | #include "fd-util.h" |
0d39fa9c | 48 | #include "fileio.h" |
175d308c | 49 | #include "fs-util.h" |
8752c575 | 50 | #include "locale-util.h" |
2f2c539c | 51 | #include "parse-util.h" |
c6878637 | 52 | #include "rm-rf.h" |
175d308c | 53 | #include "stat-util.h" |
07630cea | 54 | #include "string-util.h" |
2f2c539c | 55 | #include "strv.h" |
7e87c7d9 | 56 | #include "terminal-util.h" |
2f2c539c | 57 | #include "umask-util.h" |
3f6fd1ba | 58 | #include "util.h" |
2f2c539c LP |
59 | #include "verbs.h" |
60 | #include "virt.h" | |
7b4d7cc0 | 61 | |
2f2c539c | 62 | static char *arg_path = NULL; |
30b50477 | 63 | static bool arg_print_path = false; |
25579a43 LP |
64 | static bool arg_touch_variables = true; |
65 | ||
5caa3167 LP |
66 | static int acquire_esp( |
67 | bool unprivileged_mode, | |
68 | uint32_t *ret_part, | |
69 | uint64_t *ret_pstart, | |
70 | uint64_t *ret_psize, | |
71 | sd_id128_t *ret_uuid) { | |
72 | ||
73 | char *np; | |
2f2c539c LP |
74 | int r; |
75 | ||
5caa3167 LP |
76 | /* Find the ESP, and log about errors. Note that find_esp_and_warn() will log in all error cases on its own, |
77 | * except for ENOKEY (which is good, we want to show our own message in that case, suggesting use of --path=) | |
78 | * and EACCESS (only when we request unprivileged mode; in this case we simply eat up the error here, so that | |
79 | * --list and --status work too, without noise about this). */ | |
80 | ||
81 | r = find_esp_and_warn(arg_path, unprivileged_mode, &np, ret_part, ret_pstart, ret_psize, ret_uuid); | |
82 | if (r == -ENOKEY) | |
af918182 | 83 | return log_error_errno(r, |
5caa3167 | 84 | "Couldn't find EFI system partition. It is recommended to mount it to /boot or /efi.\n" |
af918182 | 85 | "Alternatively, use --path= to specify path to mount point."); |
5caa3167 LP |
86 | if (r < 0) |
87 | return r; | |
88 | ||
89 | free_and_replace(arg_path, np); | |
0974a682 | 90 | |
30b50477 | 91 | log_debug("Using EFI System Partition at %s.", arg_path); |
5caa3167 | 92 | |
0974a682 | 93 | return 0; |
7b4d7cc0 KS |
94 | } |
95 | ||
e7dd673d | 96 | /* search for "#### LoaderInfo: systemd-boot 218 ####" string inside the binary */ |
d3226d77 | 97 | static int get_file_version(int fd, char **v) { |
0974a682 KS |
98 | struct stat st; |
99 | char *buf; | |
100 | const char *s, *e; | |
101 | char *x = NULL; | |
102 | int r = 0; | |
7b4d7cc0 | 103 | |
d3226d77 | 104 | assert(fd >= 0); |
0974a682 | 105 | assert(v); |
7b4d7cc0 | 106 | |
d3226d77 | 107 | if (fstat(fd, &st) < 0) |
db6d9fae | 108 | return log_error_errno(errno, "Failed to stat EFI binary: %m"); |
7b4d7cc0 | 109 | |
db6d9fae LP |
110 | if (st.st_size < 27) { |
111 | *v = NULL; | |
0974a682 | 112 | return 0; |
db6d9fae | 113 | } |
eb9da376 | 114 | |
d3226d77 | 115 | buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); |
0974a682 | 116 | if (buf == MAP_FAILED) |
db6d9fae | 117 | return log_error_errno(errno, "Failed to memory map EFI binary: %m"); |
7b4d7cc0 | 118 | |
0974a682 KS |
119 | s = memmem(buf, st.st_size - 8, "#### LoaderInfo: ", 17); |
120 | if (!s) | |
121 | goto finish; | |
122 | s += 17; | |
7b4d7cc0 | 123 | |
0974a682 KS |
124 | e = memmem(s, st.st_size - (s - buf), " ####", 5); |
125 | if (!e || e - s < 3) { | |
d3226d77 | 126 | log_error("Malformed version string."); |
0974a682 KS |
127 | r = -EINVAL; |
128 | goto finish; | |
129 | } | |
7b4d7cc0 | 130 | |
0974a682 KS |
131 | x = strndup(s, e - s); |
132 | if (!x) { | |
d3226d77 | 133 | r = log_oom(); |
0974a682 KS |
134 | goto finish; |
135 | } | |
136 | r = 1; | |
7b4d7cc0 | 137 | |
0974a682 | 138 | finish: |
db6d9fae | 139 | (void) munmap(buf, st.st_size); |
0974a682 KS |
140 | *v = x; |
141 | return r; | |
142 | } | |
7b4d7cc0 | 143 | |
0974a682 | 144 | static int enumerate_binaries(const char *esp_path, const char *path, const char *prefix) { |
d3226d77 ZJS |
145 | char *p; |
146 | _cleanup_closedir_ DIR *d = NULL; | |
0974a682 | 147 | struct dirent *de; |
0974a682 KS |
148 | int r = 0, c = 0; |
149 | ||
d3226d77 | 150 | p = strjoina(esp_path, "/", path); |
0974a682 KS |
151 | d = opendir(p); |
152 | if (!d) { | |
d3226d77 ZJS |
153 | if (errno == ENOENT) |
154 | return 0; | |
7b4d7cc0 | 155 | |
d3226d77 | 156 | return log_error_errno(errno, "Failed to read \"%s\": %m", p); |
0974a682 KS |
157 | } |
158 | ||
e41256dc | 159 | FOREACH_DIRENT(de, d, break) { |
d3226d77 ZJS |
160 | _cleanup_close_ int fd = -1; |
161 | _cleanup_free_ char *v = NULL; | |
0974a682 | 162 | |
d3226d77 | 163 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
164 | continue; |
165 | ||
d3226d77 | 166 | if (prefix && !startswith_no_case(de->d_name, prefix)) |
0974a682 KS |
167 | continue; |
168 | ||
d3226d77 ZJS |
169 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
170 | if (fd < 0) | |
171 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); | |
0974a682 | 172 | |
d3226d77 | 173 | r = get_file_version(fd, &v); |
0974a682 | 174 | if (r < 0) |
d3226d77 | 175 | return r; |
0974a682 | 176 | if (r > 0) |
323b7dc9 | 177 | printf(" File: %s/%s/%s (%s)\n", special_glyph(TREE_RIGHT), path, de->d_name, v); |
0974a682 | 178 | else |
323b7dc9 | 179 | printf(" File: %s/%s/%s\n", special_glyph(TREE_RIGHT), path, de->d_name); |
0974a682 | 180 | c++; |
0974a682 KS |
181 | } |
182 | ||
d3226d77 | 183 | return c; |
7b4d7cc0 KS |
184 | } |
185 | ||
0974a682 KS |
186 | static int status_binaries(const char *esp_path, sd_id128_t partition) { |
187 | int r; | |
188 | ||
189 | printf("Boot Loader Binaries:\n"); | |
190 | ||
cd2d4c7f YW |
191 | if (!esp_path) { |
192 | printf(" ESP: Cannot find or access mount point of ESP.\n\n"); | |
193 | return -ENOENT; | |
194 | } | |
195 | ||
196 | printf(" ESP: %s", esp_path); | |
197 | if (!sd_id128_is_null(partition)) | |
198 | printf(" (/dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x)", SD_ID128_FORMAT_VAL(partition)); | |
199 | printf("\n"); | |
0974a682 KS |
200 | |
201 | r = enumerate_binaries(esp_path, "EFI/systemd", NULL); | |
202 | if (r == 0) | |
d3226d77 | 203 | log_error("systemd-boot not installed in ESP."); |
0974a682 KS |
204 | else if (r < 0) |
205 | return r; | |
206 | ||
00f69504 | 207 | r = enumerate_binaries(esp_path, "EFI/BOOT", "boot"); |
0974a682 | 208 | if (r == 0) |
d3226d77 | 209 | log_error("No default/fallback boot loader installed in ESP."); |
0974a682 KS |
210 | else if (r < 0) |
211 | return r; | |
212 | ||
c11ae0ba KS |
213 | printf("\n"); |
214 | ||
0974a682 KS |
215 | return 0; |
216 | } | |
217 | ||
218 | static int print_efi_option(uint16_t id, bool in_order) { | |
7cb0f263 TA |
219 | _cleanup_free_ char *title = NULL; |
220 | _cleanup_free_ char *path = NULL; | |
0974a682 KS |
221 | sd_id128_t partition; |
222 | bool active; | |
223 | int r = 0; | |
224 | ||
225 | r = efi_get_boot_option(id, &title, &partition, &path, &active); | |
226 | if (r < 0) | |
7cb0f263 | 227 | return r; |
7b4d7cc0 | 228 | |
0974a682 | 229 | /* print only configured entries with partition information */ |
3bbaff3e | 230 | if (!path || sd_id128_is_null(partition)) |
0974a682 KS |
231 | return 0; |
232 | ||
233 | efi_tilt_backslashes(path); | |
234 | ||
235 | printf(" Title: %s\n", strna(title)); | |
236 | printf(" ID: 0x%04X\n", id); | |
237 | printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : ""); | |
238 | printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", SD_ID128_FORMAT_VAL(partition)); | |
323b7dc9 | 239 | printf(" File: %s%s\n", special_glyph(TREE_RIGHT), path); |
0974a682 KS |
240 | printf("\n"); |
241 | ||
7cb0f263 | 242 | return 0; |
0974a682 KS |
243 | } |
244 | ||
245 | static int status_variables(void) { | |
246 | int n_options, n_order; | |
d3226d77 ZJS |
247 | _cleanup_free_ uint16_t *options = NULL, *order = NULL; |
248 | int i; | |
0974a682 | 249 | |
0974a682 | 250 | n_options = efi_get_boot_options(&options); |
d3226d77 | 251 | if (n_options == -ENOENT) |
f939cff7 LP |
252 | return log_error_errno(n_options, |
253 | "Failed to access EFI variables, efivarfs" | |
d3226d77 | 254 | " needs to be available at /sys/firmware/efi/efivars/."); |
f939cff7 | 255 | if (n_options < 0) |
d3226d77 | 256 | return log_error_errno(n_options, "Failed to read EFI boot entries: %m"); |
0974a682 | 257 | |
0974a682 | 258 | n_order = efi_get_boot_order(&order); |
d3226d77 | 259 | if (n_order == -ENOENT) |
0974a682 | 260 | n_order = 0; |
d3226d77 ZJS |
261 | else if (n_order < 0) |
262 | return log_error_errno(n_order, "Failed to read EFI boot order."); | |
0974a682 KS |
263 | |
264 | /* print entries in BootOrder first */ | |
d3226d77 | 265 | printf("Boot Loader Entries in EFI Variables:\n"); |
0974a682 KS |
266 | for (i = 0; i < n_order; i++) |
267 | print_efi_option(order[i], true); | |
268 | ||
269 | /* print remaining entries */ | |
270 | for (i = 0; i < n_options; i++) { | |
271 | int j; | |
0974a682 KS |
272 | |
273 | for (j = 0; j < n_order; j++) | |
d3226d77 | 274 | if (options[i] == order[j]) |
a908cf0a | 275 | goto next_option; |
0974a682 KS |
276 | |
277 | print_efi_option(options[i], false); | |
a908cf0a MM |
278 | |
279 | next_option: | |
280 | continue; | |
0974a682 KS |
281 | } |
282 | ||
d3226d77 | 283 | return 0; |
0974a682 KS |
284 | } |
285 | ||
7e87c7d9 ZJS |
286 | static int status_entries(const char *esp_path, sd_id128_t partition) { |
287 | int r; | |
288 | ||
289 | _cleanup_(boot_config_free) BootConfig config = {}; | |
290 | ||
291 | printf("Default Boot Entry:\n"); | |
292 | ||
293 | r = boot_entries_load_config(esp_path, &config); | |
294 | if (r < 0) | |
295 | return log_error_errno(r, "Failed to load bootspec config from \"%s/loader\": %m", | |
296 | esp_path); | |
297 | ||
298 | if (config.default_entry < 0) | |
cce5b4f1 | 299 | printf("%zu entries, no entry suitable as default\n", config.n_entries); |
7e87c7d9 ZJS |
300 | else { |
301 | const BootEntry *e = &config.entries[config.default_entry]; | |
302 | ||
64f05708 | 303 | printf(" title: %s\n", boot_entry_title(e)); |
7e87c7d9 ZJS |
304 | if (e->version) |
305 | printf(" version: %s\n", e->version); | |
306 | if (e->kernel) | |
307 | printf(" linux: %s\n", e->kernel); | |
308 | if (!strv_isempty(e->initrd)) { | |
309 | _cleanup_free_ char *t; | |
310 | ||
311 | t = strv_join(e->initrd, " "); | |
312 | if (!t) | |
313 | return log_oom(); | |
314 | ||
315 | printf(" initrd: %s\n", t); | |
316 | } | |
317 | if (!strv_isempty(e->options)) { | |
318 | _cleanup_free_ char *t; | |
319 | ||
320 | t = strv_join(e->options, " "); | |
321 | if (!t) | |
322 | return log_oom(); | |
323 | ||
324 | printf(" options: %s\n", t); | |
325 | } | |
326 | if (e->device_tree) | |
327 | printf(" devicetree: %s\n", e->device_tree); | |
328 | puts(""); | |
329 | } | |
330 | ||
331 | return 0; | |
332 | } | |
333 | ||
0974a682 KS |
334 | static int compare_product(const char *a, const char *b) { |
335 | size_t x, y; | |
336 | ||
337 | assert(a); | |
338 | assert(b); | |
339 | ||
340 | x = strcspn(a, " "); | |
341 | y = strcspn(b, " "); | |
342 | if (x != y) | |
343 | return x < y ? -1 : x > y ? 1 : 0; | |
344 | ||
345 | return strncmp(a, b, x); | |
346 | } | |
347 | ||
348 | static int compare_version(const char *a, const char *b) { | |
349 | assert(a); | |
350 | assert(b); | |
351 | ||
352 | a += strcspn(a, " "); | |
353 | a += strspn(a, " "); | |
354 | b += strcspn(b, " "); | |
355 | b += strspn(b, " "); | |
356 | ||
357 | return strverscmp(a, b); | |
358 | } | |
359 | ||
175d308c | 360 | static int version_check(int fd_from, const char *from, int fd_to, const char *to) { |
d3226d77 | 361 | _cleanup_free_ char *a = NULL, *b = NULL; |
0974a682 KS |
362 | int r; |
363 | ||
175d308c | 364 | assert(fd_from >= 0); |
0974a682 | 365 | assert(from); |
175d308c | 366 | assert(fd_to >= 0); |
0974a682 KS |
367 | assert(to); |
368 | ||
175d308c | 369 | r = get_file_version(fd_from, &a); |
0974a682 | 370 | if (r < 0) |
d3226d77 | 371 | return r; |
0974a682 | 372 | if (r == 0) { |
d3226d77 ZJS |
373 | log_error("Source file \"%s\" does not carry version information!", from); |
374 | return -EINVAL; | |
0974a682 KS |
375 | } |
376 | ||
175d308c | 377 | r = get_file_version(fd_to, &b); |
0974a682 | 378 | if (r < 0) |
d3226d77 | 379 | return r; |
0974a682 | 380 | if (r == 0 || compare_product(a, b) != 0) { |
d3226d77 ZJS |
381 | log_notice("Skipping \"%s\", since it's owned by another boot loader.", to); |
382 | return -EEXIST; | |
0974a682 KS |
383 | } |
384 | ||
385 | if (compare_version(a, b) < 0) { | |
d3226d77 ZJS |
386 | log_warning("Skipping \"%s\", since a newer boot loader version exists already.", to); |
387 | return -ESTALE; | |
0974a682 KS |
388 | } |
389 | ||
d3226d77 | 390 | return 0; |
0974a682 KS |
391 | } |
392 | ||
175d308c LP |
393 | static int copy_file_with_version_check(const char *from, const char *to, bool force) { |
394 | _cleanup_close_ int fd_from = -1, fd_to = -1; | |
395 | _cleanup_free_ char *t = NULL; | |
0974a682 | 396 | int r; |
0974a682 | 397 | |
175d308c LP |
398 | fd_from = open(from, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
399 | if (fd_from < 0) | |
d3226d77 | 400 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", from); |
0974a682 KS |
401 | |
402 | if (!force) { | |
175d308c LP |
403 | fd_to = open(to, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
404 | if (fd_to < 0) { | |
405 | if (errno != -ENOENT) | |
406 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", to); | |
407 | } else { | |
408 | r = version_check(fd_from, from, fd_to, to); | |
409 | if (r < 0) | |
410 | return r; | |
411 | ||
412 | if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1) | |
413 | return log_error_errno(errno, "Failed to seek in \%s\": %m", from); | |
414 | ||
415 | fd_to = safe_close(fd_to); | |
0974a682 | 416 | } |
175d308c | 417 | } |
d3226d77 | 418 | |
175d308c LP |
419 | r = tempfn_random(to, NULL, &t); |
420 | if (r < 0) | |
421 | return log_oom(); | |
0974a682 | 422 | |
175d308c LP |
423 | RUN_WITH_UMASK(0000) { |
424 | fd_to = open(t, O_WRONLY|O_CREAT|O_CLOEXEC|O_EXCL|O_NOFOLLOW, 0644); | |
425 | if (fd_to < 0) | |
426 | return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", t); | |
0974a682 KS |
427 | } |
428 | ||
175d308c | 429 | r = copy_bytes(fd_from, fd_to, (uint64_t) -1, COPY_REFLINK); |
0974a682 | 430 | if (r < 0) { |
0675e94a AJ |
431 | (void) unlink(t); |
432 | return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
0974a682 KS |
433 | } |
434 | ||
175d308c | 435 | (void) copy_times(fd_from, fd_to); |
0974a682 | 436 | |
8ac2f74f | 437 | if (fsync(fd_to) < 0) { |
0675e94a AJ |
438 | (void) unlink_noerrno(t); |
439 | return log_error_errno(errno, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
440 | } | |
441 | ||
8ac2f74f LP |
442 | (void) fsync_directory_of_file(fd_to); |
443 | ||
175d308c | 444 | r = renameat(AT_FDCWD, t, AT_FDCWD, to); |
0974a682 | 445 | if (r < 0) { |
175d308c LP |
446 | (void) unlink_noerrno(t); |
447 | return log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", t, to); | |
0974a682 KS |
448 | } |
449 | ||
d3226d77 | 450 | log_info("Copied \"%s\" to \"%s\".", from, to); |
0974a682 | 451 | |
175d308c | 452 | return 0; |
0974a682 KS |
453 | } |
454 | ||
0974a682 KS |
455 | static int mkdir_one(const char *prefix, const char *suffix) { |
456 | char *p; | |
457 | ||
d3226d77 | 458 | p = strjoina(prefix, "/", suffix); |
0974a682 | 459 | if (mkdir(p, 0700) < 0) { |
d3226d77 ZJS |
460 | if (errno != EEXIST) |
461 | return log_error_errno(errno, "Failed to create \"%s\": %m", p); | |
0974a682 | 462 | } else |
d3226d77 | 463 | log_info("Created \"%s\".", p); |
7b4d7cc0 | 464 | |
0974a682 KS |
465 | return 0; |
466 | } | |
467 | ||
d3226d77 ZJS |
468 | static const char *efi_subdirs[] = { |
469 | "EFI", | |
470 | "EFI/systemd", | |
00f69504 | 471 | "EFI/BOOT", |
d3226d77 | 472 | "loader", |
9ee051b9 YW |
473 | "loader/entries", |
474 | NULL | |
d3226d77 ZJS |
475 | }; |
476 | ||
0974a682 | 477 | static int create_dirs(const char *esp_path) { |
181ccb43 | 478 | const char **i; |
0974a682 KS |
479 | int r; |
480 | ||
181ccb43 LP |
481 | STRV_FOREACH(i, efi_subdirs) { |
482 | r = mkdir_one(esp_path, *i); | |
d3226d77 ZJS |
483 | if (r < 0) |
484 | return r; | |
485 | } | |
7b4d7cc0 | 486 | |
7b4d7cc0 | 487 | return 0; |
7b4d7cc0 KS |
488 | } |
489 | ||
0974a682 | 490 | static int copy_one_file(const char *esp_path, const char *name, bool force) { |
d3226d77 | 491 | char *p, *q; |
0974a682 KS |
492 | int r; |
493 | ||
d3226d77 ZJS |
494 | p = strjoina(BOOTLIBDIR "/", name); |
495 | q = strjoina(esp_path, "/EFI/systemd/", name); | |
175d308c | 496 | r = copy_file_with_version_check(p, q, force); |
0974a682 | 497 | |
e7dd673d | 498 | if (startswith(name, "systemd-boot")) { |
0974a682 | 499 | int k; |
d3226d77 | 500 | char *v; |
0974a682 KS |
501 | |
502 | /* Create the EFI default boot loader name (specified for removable devices) */ | |
fbd0b64f LP |
503 | v = strjoina(esp_path, "/EFI/BOOT/BOOT", |
504 | name + STRLEN("systemd-boot")); | |
846b8fc3 | 505 | ascii_strupper(strrchr(v, '/') + 1); |
0974a682 | 506 | |
175d308c | 507 | k = copy_file_with_version_check(p, v, force); |
0974a682 | 508 | if (k < 0 && r == 0) |
d3226d77 | 509 | r = k; |
0974a682 KS |
510 | } |
511 | ||
512 | return r; | |
7b4d7cc0 KS |
513 | } |
514 | ||
0974a682 KS |
515 | static int install_binaries(const char *esp_path, bool force) { |
516 | struct dirent *de; | |
d3226d77 | 517 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 KS |
518 | int r = 0; |
519 | ||
520 | if (force) { | |
521 | /* Don't create any of these directories when we are | |
522 | * just updating. When we update we'll drop-in our | |
523 | * files (unless there are newer ones already), but we | |
524 | * won't create the directories for them in the first | |
525 | * place. */ | |
526 | r = create_dirs(esp_path); | |
527 | if (r < 0) | |
528 | return r; | |
529 | } | |
530 | ||
e7dd673d | 531 | d = opendir(BOOTLIBDIR); |
d3226d77 ZJS |
532 | if (!d) |
533 | return log_error_errno(errno, "Failed to open \""BOOTLIBDIR"\": %m"); | |
0974a682 | 534 | |
e41256dc | 535 | FOREACH_DIRENT(de, d, break) { |
0974a682 KS |
536 | int k; |
537 | ||
d3226d77 | 538 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
539 | continue; |
540 | ||
541 | k = copy_one_file(esp_path, de->d_name, force); | |
542 | if (k < 0 && r == 0) | |
543 | r = k; | |
544 | } | |
545 | ||
0974a682 | 546 | return r; |
7b4d7cc0 KS |
547 | } |
548 | ||
0974a682 | 549 | static bool same_entry(uint16_t id, const sd_id128_t uuid, const char *path) { |
d3226d77 | 550 | _cleanup_free_ char *opath = NULL; |
0974a682 | 551 | sd_id128_t ouuid; |
d3226d77 | 552 | int r; |
7b4d7cc0 | 553 | |
d3226d77 ZJS |
554 | r = efi_get_boot_option(id, NULL, &ouuid, &opath, NULL); |
555 | if (r < 0) | |
0974a682 KS |
556 | return false; |
557 | if (!sd_id128_equal(uuid, ouuid)) | |
d3226d77 | 558 | return false; |
0974a682 | 559 | if (!streq_ptr(path, opath)) |
d3226d77 | 560 | return false; |
0974a682 | 561 | |
d3226d77 | 562 | return true; |
0974a682 KS |
563 | } |
564 | ||
565 | static int find_slot(sd_id128_t uuid, const char *path, uint16_t *id) { | |
d3226d77 ZJS |
566 | _cleanup_free_ uint16_t *options = NULL; |
567 | int n, i; | |
0974a682 | 568 | |
d3226d77 ZJS |
569 | n = efi_get_boot_options(&options); |
570 | if (n < 0) | |
571 | return n; | |
0974a682 | 572 | |
e7dd673d | 573 | /* find already existing systemd-boot entry */ |
d3226d77 | 574 | for (i = 0; i < n; i++) |
0974a682 | 575 | if (same_entry(options[i], uuid, path)) { |
d3226d77 ZJS |
576 | *id = options[i]; |
577 | return 1; | |
0974a682 KS |
578 | } |
579 | ||
580 | /* find free slot in the sorted BootXXXX variable list */ | |
d3226d77 | 581 | for (i = 0; i < n; i++) |
0974a682 | 582 | if (i != options[i]) { |
d3226d77 ZJS |
583 | *id = i; |
584 | return 1; | |
0974a682 KS |
585 | } |
586 | ||
587 | /* use the next one */ | |
588 | if (i == 0xffff) | |
589 | return -ENOSPC; | |
d3226d77 ZJS |
590 | *id = i; |
591 | return 0; | |
0974a682 KS |
592 | } |
593 | ||
594 | static int insert_into_order(uint16_t slot, bool first) { | |
d3226d77 ZJS |
595 | _cleanup_free_ uint16_t *order = NULL; |
596 | uint16_t *t; | |
597 | int n, i; | |
0974a682 | 598 | |
d3226d77 ZJS |
599 | n = efi_get_boot_order(&order); |
600 | if (n <= 0) | |
0974a682 | 601 | /* no entry, add us */ |
d3226d77 | 602 | return efi_set_boot_order(&slot, 1); |
0974a682 KS |
603 | |
604 | /* are we the first and only one? */ | |
d3226d77 ZJS |
605 | if (n == 1 && order[0] == slot) |
606 | return 0; | |
0974a682 KS |
607 | |
608 | /* are we already in the boot order? */ | |
d3226d77 | 609 | for (i = 0; i < n; i++) { |
0974a682 KS |
610 | if (order[i] != slot) |
611 | continue; | |
612 | ||
613 | /* we do not require to be the first one, all is fine */ | |
614 | if (!first) | |
d3226d77 | 615 | return 0; |
0974a682 KS |
616 | |
617 | /* move us to the first slot */ | |
d3226d77 | 618 | memmove(order + 1, order, i * sizeof(uint16_t)); |
0974a682 | 619 | order[0] = slot; |
d3226d77 | 620 | return efi_set_boot_order(order, n); |
0974a682 KS |
621 | } |
622 | ||
623 | /* extend array */ | |
d3226d77 ZJS |
624 | t = realloc(order, (n + 1) * sizeof(uint16_t)); |
625 | if (!t) | |
626 | return -ENOMEM; | |
627 | order = t; | |
0974a682 KS |
628 | |
629 | /* add us to the top or end of the list */ | |
630 | if (first) { | |
d3226d77 | 631 | memmove(order + 1, order, n * sizeof(uint16_t)); |
0974a682 KS |
632 | order[0] = slot; |
633 | } else | |
d3226d77 | 634 | order[n] = slot; |
0974a682 | 635 | |
d3226d77 | 636 | return efi_set_boot_order(order, n + 1); |
0974a682 KS |
637 | } |
638 | ||
639 | static int remove_from_order(uint16_t slot) { | |
7cb0f263 | 640 | _cleanup_free_ uint16_t *order = NULL; |
d3226d77 | 641 | int n, i; |
0974a682 | 642 | |
d3226d77 ZJS |
643 | n = efi_get_boot_order(&order); |
644 | if (n <= 0) | |
645 | return n; | |
0974a682 | 646 | |
d3226d77 | 647 | for (i = 0; i < n; i++) { |
0974a682 KS |
648 | if (order[i] != slot) |
649 | continue; | |
650 | ||
d3226d77 ZJS |
651 | if (i + 1 < n) |
652 | memmove(order + i, order + i+1, (n - i) * sizeof(uint16_t)); | |
653 | return efi_set_boot_order(order, n - 1); | |
0974a682 KS |
654 | } |
655 | ||
d3226d77 | 656 | return 0; |
0974a682 KS |
657 | } |
658 | ||
659 | static int install_variables(const char *esp_path, | |
660 | uint32_t part, uint64_t pstart, uint64_t psize, | |
661 | sd_id128_t uuid, const char *path, | |
662 | bool first) { | |
d3226d77 | 663 | char *p; |
0974a682 KS |
664 | uint16_t slot; |
665 | int r; | |
666 | ||
667 | if (!is_efi_boot()) { | |
d3226d77 | 668 | log_warning("Not booted with EFI, skipping EFI variable setup."); |
0974a682 KS |
669 | return 0; |
670 | } | |
671 | ||
d3226d77 | 672 | p = strjoina(esp_path, path); |
0974a682 KS |
673 | if (access(p, F_OK) < 0) { |
674 | if (errno == ENOENT) | |
d3226d77 | 675 | return 0; |
f939cff7 LP |
676 | |
677 | return log_error_errno(errno, "Cannot access \"%s\": %m", p); | |
0974a682 | 678 | } |
7b4d7cc0 | 679 | |
0974a682 | 680 | r = find_slot(uuid, path, &slot); |
d3226d77 ZJS |
681 | if (r < 0) |
682 | return log_error_errno(r, | |
683 | r == -ENOENT ? | |
684 | "Failed to access EFI variables. Is the \"efivarfs\" filesystem mounted?" : | |
685 | "Failed to determine current boot order: %m"); | |
7b4d7cc0 | 686 | |
181ccb43 | 687 | if (first || r == 0) { |
0974a682 KS |
688 | r = efi_add_boot_option(slot, "Linux Boot Manager", |
689 | part, pstart, psize, | |
690 | uuid, path); | |
d3226d77 ZJS |
691 | if (r < 0) |
692 | return log_error_errno(r, "Failed to create EFI Boot variable entry: %m"); | |
0974a682 | 693 | |
d3226d77 ZJS |
694 | log_info("Created EFI boot entry \"Linux Boot Manager\"."); |
695 | } | |
0974a682 | 696 | |
d3226d77 | 697 | return insert_into_order(slot, first); |
0974a682 KS |
698 | } |
699 | ||
700 | static int remove_boot_efi(const char *esp_path) { | |
d3226d77 ZJS |
701 | char *p; |
702 | _cleanup_closedir_ DIR *d = NULL; | |
0974a682 | 703 | struct dirent *de; |
d3226d77 | 704 | int r, c = 0; |
0974a682 | 705 | |
00f69504 | 706 | p = strjoina(esp_path, "/EFI/BOOT"); |
0974a682 KS |
707 | d = opendir(p); |
708 | if (!d) { | |
d3226d77 ZJS |
709 | if (errno == ENOENT) |
710 | return 0; | |
0974a682 | 711 | |
d3226d77 | 712 | return log_error_errno(errno, "Failed to open directory \"%s\": %m", p); |
0974a682 KS |
713 | } |
714 | ||
e41256dc | 715 | FOREACH_DIRENT(de, d, break) { |
d3226d77 ZJS |
716 | _cleanup_close_ int fd = -1; |
717 | _cleanup_free_ char *v = NULL; | |
0974a682 | 718 | |
d3226d77 | 719 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
720 | continue; |
721 | ||
b7536c45 | 722 | if (!startswith_no_case(de->d_name, "boot")) |
0974a682 KS |
723 | continue; |
724 | ||
d3226d77 | 725 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
dd114e11 | 726 | if (fd < 0) |
d3226d77 | 727 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); |
0974a682 | 728 | |
d3226d77 | 729 | r = get_file_version(fd, &v); |
0974a682 | 730 | if (r < 0) |
d3226d77 ZJS |
731 | return r; |
732 | if (r > 0 && startswith(v, "systemd-boot ")) { | |
733 | r = unlinkat(dirfd(d), de->d_name, 0); | |
734 | if (r < 0) | |
735 | return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name); | |
736 | ||
a592ab6a | 737 | log_info("Removed \"%s/%s\".", p, de->d_name); |
0974a682 KS |
738 | } |
739 | ||
740 | c++; | |
0974a682 KS |
741 | } |
742 | ||
d3226d77 | 743 | return c; |
0974a682 KS |
744 | } |
745 | ||
746 | static int rmdir_one(const char *prefix, const char *suffix) { | |
747 | char *p; | |
7b4d7cc0 | 748 | |
d3226d77 | 749 | p = strjoina(prefix, "/", suffix); |
0974a682 | 750 | if (rmdir(p) < 0) { |
d3226d77 ZJS |
751 | if (!IN_SET(errno, ENOENT, ENOTEMPTY)) |
752 | return log_error_errno(errno, "Failed to remove \"%s\": %m", p); | |
7b4d7cc0 | 753 | } else |
d3226d77 | 754 | log_info("Removed \"%s\".", p); |
7b4d7cc0 | 755 | |
0974a682 | 756 | return 0; |
7b4d7cc0 KS |
757 | } |
758 | ||
0974a682 KS |
759 | static int remove_binaries(const char *esp_path) { |
760 | char *p; | |
761 | int r, q; | |
d3226d77 | 762 | unsigned i; |
0974a682 | 763 | |
d3226d77 | 764 | p = strjoina(esp_path, "/EFI/systemd"); |
c6878637 | 765 | r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL); |
0974a682 KS |
766 | |
767 | q = remove_boot_efi(esp_path); | |
768 | if (q < 0 && r == 0) | |
769 | r = q; | |
770 | ||
88a00ac5 | 771 | for (i = ELEMENTSOF(efi_subdirs)-1; i > 0; i--) { |
d3226d77 ZJS |
772 | q = rmdir_one(esp_path, efi_subdirs[i-1]); |
773 | if (q < 0 && r == 0) | |
774 | r = q; | |
775 | } | |
0974a682 KS |
776 | |
777 | return r; | |
778 | } | |
779 | ||
780 | static int remove_variables(sd_id128_t uuid, const char *path, bool in_order) { | |
781 | uint16_t slot; | |
782 | int r; | |
783 | ||
784 | if (!is_efi_boot()) | |
785 | return 0; | |
786 | ||
787 | r = find_slot(uuid, path, &slot); | |
788 | if (r != 1) | |
789 | return 0; | |
790 | ||
791 | r = efi_remove_boot_option(slot); | |
792 | if (r < 0) | |
793 | return r; | |
794 | ||
795 | if (in_order) | |
d3226d77 | 796 | return remove_from_order(slot); |
f939cff7 LP |
797 | |
798 | return 0; | |
0974a682 KS |
799 | } |
800 | ||
801 | static int install_loader_config(const char *esp_path) { | |
0974a682 | 802 | |
d5ff6d6d | 803 | char machine_string[SD_ID128_STRING_MAX]; |
f5b84de2 LP |
804 | _cleanup_(unlink_and_freep) char *t = NULL; |
805 | _cleanup_fclose_ FILE *f = NULL; | |
d5ff6d6d LP |
806 | sd_id128_t machine_id; |
807 | const char *p; | |
f5b84de2 | 808 | int r, fd; |
0974a682 | 809 | |
d5ff6d6d LP |
810 | r = sd_id128_get_machine(&machine_id); |
811 | if (r < 0) | |
0675e94a | 812 | return log_error_errno(r, "Failed to get machine id: %m"); |
0974a682 | 813 | |
d5ff6d6d | 814 | p = strjoina(esp_path, "/loader/loader.conf"); |
f5b84de2 LP |
815 | |
816 | if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */ | |
817 | return 0; | |
818 | ||
819 | fd = open_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t); | |
820 | if (fd < 0) | |
821 | return log_error_errno(fd, "Failed to open \"%s\" for writing: %m", p); | |
822 | ||
823 | f = fdopen(fd, "we"); | |
824 | if (!f) { | |
825 | safe_close(fd); | |
826 | return log_oom(); | |
827 | } | |
0974a682 | 828 | |
d5ff6d6d LP |
829 | fprintf(f, "#timeout 3\n"); |
830 | fprintf(f, "default %s-*\n", sd_id128_to_string(machine_id, machine_string)); | |
0974a682 | 831 | |
0675e94a | 832 | r = fflush_sync_and_check(f); |
d5ff6d6d LP |
833 | if (r < 0) |
834 | return log_error_errno(r, "Failed to write \"%s\": %m", p); | |
0974a682 | 835 | |
f5b84de2 LP |
836 | r = link_tmpfile(fd, t, p); |
837 | if (r == -EEXIST) | |
838 | return 0; /* Silently skip creation if the file exists now (recheck) */ | |
839 | if (r < 0) | |
840 | return log_error_errno(r, "Failed to move \"%s\" into place: %m", p); | |
841 | ||
842 | t = mfree(t); | |
843 | ||
844 | return 1; | |
0974a682 KS |
845 | } |
846 | ||
2f2c539c LP |
847 | static int help(int argc, char *argv[], void *userdata) { |
848 | ||
0974a682 KS |
849 | printf("%s [COMMAND] [OPTIONS...]\n" |
850 | "\n" | |
68cc17f1 | 851 | "Install, update or remove the systemd-boot EFI boot manager.\n\n" |
0974a682 KS |
852 | " -h --help Show this help\n" |
853 | " --version Print version\n" | |
854 | " --path=PATH Path to the EFI System Partition (ESP)\n" | |
30b50477 | 855 | " -p --print-path Print path to the EFI partition\n" |
0974a682 KS |
856 | " --no-variables Don't touch EFI variables\n" |
857 | "\n" | |
71744250 | 858 | "Commands:\n" |
e7dd673d | 859 | " status Show status of installed systemd-boot and EFI variables\n" |
7e87c7d9 | 860 | " list List boot entries\n" |
e7dd673d TG |
861 | " install Install systemd-boot to the ESP and EFI variables\n" |
862 | " update Update systemd-boot in the ESP and EFI variables\n" | |
863 | " remove Remove systemd-boot from the ESP and EFI variables\n", | |
0974a682 KS |
864 | program_invocation_short_name); |
865 | ||
866 | return 0; | |
867 | } | |
868 | ||
0974a682 KS |
869 | static int parse_argv(int argc, char *argv[]) { |
870 | enum { | |
871 | ARG_PATH = 0x100, | |
872 | ARG_VERSION, | |
873 | ARG_NO_VARIABLES, | |
7b4d7cc0 KS |
874 | }; |
875 | ||
0974a682 KS |
876 | static const struct option options[] = { |
877 | { "help", no_argument, NULL, 'h' }, | |
878 | { "version", no_argument, NULL, ARG_VERSION }, | |
879 | { "path", required_argument, NULL, ARG_PATH }, | |
30b50477 | 880 | { "print-path", no_argument, NULL, 'p' }, |
0974a682 KS |
881 | { "no-variables", no_argument, NULL, ARG_NO_VARIABLES }, |
882 | { NULL, 0, NULL, 0 } | |
883 | }; | |
884 | ||
2f2c539c | 885 | int c, r; |
7b4d7cc0 KS |
886 | |
887 | assert(argc >= 0); | |
888 | assert(argv); | |
889 | ||
30b50477 | 890 | while ((c = getopt_long(argc, argv, "hp", options, NULL)) >= 0) |
0974a682 | 891 | switch (c) { |
7b4d7cc0 | 892 | |
0974a682 | 893 | case 'h': |
2f2c539c | 894 | help(0, NULL, NULL); |
7b4d7cc0 | 895 | return 0; |
7b4d7cc0 | 896 | |
0974a682 | 897 | case ARG_VERSION: |
3f6fd1ba | 898 | return version(); |
7b4d7cc0 | 899 | |
0974a682 | 900 | case ARG_PATH: |
2f2c539c LP |
901 | r = free_and_strdup(&arg_path, optarg); |
902 | if (r < 0) | |
903 | return log_oom(); | |
0974a682 KS |
904 | break; |
905 | ||
30b50477 ZJS |
906 | case 'p': |
907 | arg_print_path = true; | |
908 | break; | |
909 | ||
0974a682 KS |
910 | case ARG_NO_VARIABLES: |
911 | arg_touch_variables = false; | |
912 | break; | |
913 | ||
914 | case '?': | |
915 | return -EINVAL; | |
916 | ||
917 | default: | |
d3226d77 | 918 | assert_not_reached("Unknown option"); |
7b4d7cc0 | 919 | } |
7b4d7cc0 | 920 | |
0974a682 KS |
921 | return 1; |
922 | } | |
7b4d7cc0 | 923 | |
551710cf ZJS |
924 | static void read_loader_efi_var(const char *name, char **var) { |
925 | int r; | |
926 | ||
927 | r = efi_get_variable_string(EFI_VENDOR_LOADER, name, var); | |
928 | if (r < 0 && r != -ENOENT) | |
929 | log_warning_errno(r, "Failed to read EFI variable %s: %m", name); | |
930 | } | |
931 | ||
2f2c539c | 932 | static int verb_status(int argc, char *argv[], void *userdata) { |
0974a682 | 933 | |
2f2c539c | 934 | sd_id128_t uuid = SD_ID128_NULL; |
46fb255b | 935 | int r, k; |
0974a682 | 936 | |
5caa3167 | 937 | r = acquire_esp(geteuid() != 0, NULL, NULL, NULL, &uuid); |
0974a682 | 938 | |
30b50477 | 939 | if (arg_print_path) { |
5caa3167 LP |
940 | if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only |
941 | * error the find_esp_and_warn() won't log on its own) */ | |
942 | return log_error_errno(r, "Failed to determine ESP: %m"); | |
30b50477 ZJS |
943 | if (r < 0) |
944 | return r; | |
945 | ||
946 | puts(arg_path); | |
947 | return 0; | |
948 | } | |
551710cf | 949 | |
5caa3167 LP |
950 | r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just show what we |
951 | * can show */ | |
952 | ||
2f2c539c | 953 | if (is_efi_boot()) { |
81375b9b | 954 | _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL; |
25579a43 | 955 | sd_id128_t loader_part_uuid = SD_ID128_NULL; |
0974a682 | 956 | |
2f2c539c LP |
957 | read_loader_efi_var("LoaderFirmwareType", &fw_type); |
958 | read_loader_efi_var("LoaderFirmwareInfo", &fw_info); | |
959 | read_loader_efi_var("LoaderInfo", &loader); | |
81375b9b | 960 | read_loader_efi_var("StubInfo", &stub); |
2f2c539c | 961 | read_loader_efi_var("LoaderImageIdentifier", &loader_path); |
551710cf | 962 | |
2f2c539c LP |
963 | if (loader_path) |
964 | efi_tilt_backslashes(loader_path); | |
965 | ||
46fb255b ZJS |
966 | k = efi_loader_get_device_part_uuid(&loader_part_uuid); |
967 | if (k < 0 && k != -ENOENT) | |
968 | r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m"); | |
2f2c539c LP |
969 | |
970 | printf("System:\n"); | |
971 | printf(" Firmware: %s (%s)\n", strna(fw_type), strna(fw_info)); | |
972 | ||
46fb255b ZJS |
973 | k = is_efi_secure_boot(); |
974 | if (k < 0) | |
975 | r = log_warning_errno(k, "Failed to query secure boot status: %m"); | |
2f2c539c | 976 | else |
46fb255b | 977 | printf(" Secure Boot: %sd\n", enable_disable(k)); |
0974a682 | 978 | |
46fb255b ZJS |
979 | k = is_efi_secure_boot_setup_mode(); |
980 | if (k < 0) | |
981 | r = log_warning_errno(k, "Failed to query secure boot mode: %m"); | |
2f2c539c | 982 | else |
46fb255b | 983 | printf(" Setup Mode: %s\n", k ? "setup" : "user"); |
2f2c539c LP |
984 | printf("\n"); |
985 | ||
cd2d4c7f | 986 | printf("Current Loader:\n"); |
2f2c539c | 987 | printf(" Product: %s\n", strna(loader)); |
81375b9b ДГ |
988 | if (stub) |
989 | printf(" Stub: %s\n", stub); | |
e28973ee | 990 | if (!sd_id128_is_null(loader_part_uuid)) |
cd2d4c7f | 991 | printf(" ESP: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", |
2f2c539c LP |
992 | SD_ID128_FORMAT_VAL(loader_part_uuid)); |
993 | else | |
cd2d4c7f | 994 | printf(" ESP: n/a\n"); |
2f2c539c LP |
995 | printf(" File: %s%s\n", special_glyph(TREE_RIGHT), strna(loader_path)); |
996 | printf("\n"); | |
997 | } else | |
cd2d4c7f | 998 | printf("System:\n Not booted with EFI\n\n"); |
7b4d7cc0 | 999 | |
ecec2a5d LP |
1000 | if (arg_path) { |
1001 | k = status_binaries(arg_path, uuid); | |
1002 | if (k < 0) | |
1003 | r = k; | |
1004 | } | |
2f2c539c | 1005 | |
cd2d4c7f | 1006 | if (is_efi_boot()) { |
46fb255b ZJS |
1007 | k = status_variables(); |
1008 | if (k < 0) | |
1009 | r = k; | |
cd2d4c7f | 1010 | } |
0974a682 | 1011 | |
ecec2a5d LP |
1012 | if (arg_path) { |
1013 | k = status_entries(arg_path, uuid); | |
1014 | if (k < 0) | |
1015 | r = k; | |
1016 | } | |
7e87c7d9 | 1017 | |
46fb255b | 1018 | return r; |
2f2c539c | 1019 | } |
7b4d7cc0 | 1020 | |
7e87c7d9 | 1021 | static int verb_list(int argc, char *argv[], void *userdata) { |
5caa3167 | 1022 | _cleanup_(boot_config_free) BootConfig config = {}; |
7e87c7d9 | 1023 | sd_id128_t uuid = SD_ID128_NULL; |
7e87c7d9 | 1024 | unsigned n; |
5caa3167 | 1025 | int r; |
7e87c7d9 | 1026 | |
5caa3167 LP |
1027 | /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two things: turn |
1028 | * off logging about access errors and turn off potentially privileged device probing. Here we're interested in | |
1029 | * the latter but not the former, hence request the mode, and log about EACCES. */ | |
7e87c7d9 | 1030 | |
5caa3167 LP |
1031 | r = acquire_esp(geteuid() != 0, NULL, NULL, NULL, &uuid); |
1032 | if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */ | |
1033 | return log_error_errno(r, "Failed to determine ESP: %m"); | |
7e87c7d9 ZJS |
1034 | if (r < 0) |
1035 | return r; | |
1036 | ||
1037 | r = boot_entries_load_config(arg_path, &config); | |
1038 | if (r < 0) | |
1039 | return log_error_errno(r, "Failed to load bootspec config from \"%s/loader\": %m", | |
1040 | arg_path); | |
1041 | ||
1042 | printf("Available boot entries:\n"); | |
1043 | ||
1044 | for (n = 0; n < config.n_entries; n++) { | |
1045 | const BootEntry *e = &config.entries[n]; | |
1046 | ||
1047 | printf(" title: %s%s%s%s%s%s\n", | |
1048 | ansi_highlight(), | |
64f05708 | 1049 | boot_entry_title(e), |
7e87c7d9 ZJS |
1050 | ansi_normal(), |
1051 | ansi_highlight_green(), | |
5364c686 | 1052 | n == (unsigned) config.default_entry ? " (default)" : "", |
7e87c7d9 ZJS |
1053 | ansi_normal()); |
1054 | if (e->version) | |
1055 | printf(" version: %s\n", e->version); | |
1056 | if (e->machine_id) | |
1057 | printf(" machine-id: %s\n", e->machine_id); | |
1058 | if (e->architecture) | |
1059 | printf(" architecture: %s\n", e->architecture); | |
1060 | if (e->kernel) | |
1061 | printf(" linux: %s\n", e->kernel); | |
1062 | if (!strv_isempty(e->initrd)) { | |
1063 | _cleanup_free_ char *t; | |
1064 | ||
1065 | t = strv_join(e->initrd, " "); | |
1066 | if (!t) | |
1067 | return log_oom(); | |
1068 | ||
1069 | printf(" initrd: %s\n", t); | |
1070 | } | |
1071 | if (!strv_isempty(e->options)) { | |
1072 | _cleanup_free_ char *t; | |
1073 | ||
1074 | t = strv_join(e->options, " "); | |
1075 | if (!t) | |
1076 | return log_oom(); | |
1077 | ||
1078 | printf(" options: %s\n", t); | |
1079 | } | |
1080 | if (e->device_tree) | |
1081 | printf(" devicetree: %s\n", e->device_tree); | |
1082 | ||
1083 | puts(""); | |
cd2d4c7f | 1084 | } |
0974a682 | 1085 | |
7e87c7d9 | 1086 | return 0; |
2f2c539c | 1087 | } |
7b4d7cc0 | 1088 | |
2f2c539c | 1089 | static int verb_install(int argc, char *argv[], void *userdata) { |
0974a682 | 1090 | |
2f2c539c LP |
1091 | sd_id128_t uuid = SD_ID128_NULL; |
1092 | uint64_t pstart = 0, psize = 0; | |
1093 | uint32_t part = 0; | |
1094 | bool install; | |
1095 | int r; | |
1096 | ||
5caa3167 | 1097 | r = acquire_esp(false, &part, &pstart, &psize, &uuid); |
2f2c539c LP |
1098 | if (r < 0) |
1099 | return r; | |
1100 | ||
1101 | install = streq(argv[0], "install"); | |
1102 | ||
1103 | RUN_WITH_UMASK(0002) { | |
1104 | r = install_binaries(arg_path, install); | |
0974a682 | 1105 | if (r < 0) |
d3226d77 | 1106 | return r; |
0974a682 | 1107 | |
2f2c539c | 1108 | if (install) { |
d3226d77 ZJS |
1109 | r = install_loader_config(arg_path); |
1110 | if (r < 0) | |
1111 | return r; | |
1112 | } | |
2f2c539c | 1113 | } |
0974a682 | 1114 | |
2f2c539c LP |
1115 | if (arg_touch_variables) |
1116 | r = install_variables(arg_path, | |
1117 | part, pstart, psize, uuid, | |
1118 | "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", | |
1119 | install); | |
7b4d7cc0 | 1120 | |
2f2c539c LP |
1121 | return r; |
1122 | } | |
0974a682 | 1123 | |
2f2c539c LP |
1124 | static int verb_remove(int argc, char *argv[], void *userdata) { |
1125 | sd_id128_t uuid = SD_ID128_NULL; | |
1126 | int r; | |
0974a682 | 1127 | |
5caa3167 | 1128 | r = acquire_esp(false, NULL, NULL, NULL, &uuid); |
2f2c539c LP |
1129 | if (r < 0) |
1130 | return r; | |
1131 | ||
1132 | r = remove_binaries(arg_path); | |
1133 | ||
1134 | if (arg_touch_variables) { | |
1135 | int q; | |
1136 | ||
1137 | q = remove_variables(uuid, "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", true); | |
1138 | if (q < 0 && r == 0) | |
1139 | r = q; | |
7b4d7cc0 KS |
1140 | } |
1141 | ||
d3226d77 | 1142 | return r; |
7b4d7cc0 KS |
1143 | } |
1144 | ||
2f2c539c LP |
1145 | static int bootctl_main(int argc, char *argv[]) { |
1146 | ||
1147 | static const Verb verbs[] = { | |
c56d1e2c CW |
1148 | { "help", VERB_ANY, VERB_ANY, 0, help }, |
1149 | { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status }, | |
1150 | { "list", VERB_ANY, 1, 0, verb_list }, | |
1151 | { "install", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_install }, | |
1152 | { "update", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_install }, | |
1153 | { "remove", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_remove }, | |
2f2c539c LP |
1154 | {} |
1155 | }; | |
1156 | ||
1157 | return dispatch_verb(argc, argv, verbs, NULL); | |
1158 | } | |
1159 | ||
7b4d7cc0 | 1160 | int main(int argc, char *argv[]) { |
601185b4 | 1161 | int r; |
7b4d7cc0 KS |
1162 | |
1163 | log_parse_environment(); | |
1164 | log_open(); | |
1165 | ||
2f2c539c LP |
1166 | /* If we run in a container, automatically turn of EFI file system access */ |
1167 | if (detect_container() > 0) | |
1168 | arg_touch_variables = false; | |
1169 | ||
7b4d7cc0 | 1170 | r = parse_argv(argc, argv); |
601185b4 | 1171 | if (r <= 0) |
7b4d7cc0 | 1172 | goto finish; |
7b4d7cc0 KS |
1173 | |
1174 | r = bootctl_main(argc, argv); | |
601185b4 ZJS |
1175 | |
1176 | finish: | |
2f2c539c | 1177 | free(arg_path); |
601185b4 | 1178 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
7b4d7cc0 | 1179 | } |