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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
7b4d7cc0 | 2 | |
6b5cf3ea | 3 | #include <blkid.h> |
0974a682 | 4 | #include <ctype.h> |
3f6fd1ba LP |
5 | #include <dirent.h> |
6 | #include <errno.h> | |
0974a682 | 7 | #include <ftw.h> |
3f6fd1ba LP |
8 | #include <getopt.h> |
9 | #include <limits.h> | |
5fa6c13c | 10 | #include <linux/magic.h> |
0974a682 | 11 | #include <stdbool.h> |
3f6fd1ba LP |
12 | #include <stdio.h> |
13 | #include <stdlib.h> | |
14 | #include <string.h> | |
15 | #include <sys/mman.h> | |
16 | #include <sys/stat.h> | |
17 | #include <sys/statfs.h> | |
18 | #include <unistd.h> | |
7b4d7cc0 | 19 | |
dccca82b LP |
20 | #include "sd-id128.h" |
21 | ||
b5efdb8a | 22 | #include "alloc-util.h" |
3f6fd1ba | 23 | #include "blkid-util.h" |
7e87c7d9 | 24 | #include "bootspec.h" |
175d308c | 25 | #include "copy.h" |
e41256dc | 26 | #include "dirent-util.h" |
0974a682 | 27 | #include "efivars.h" |
3ffd4af2 | 28 | #include "fd-util.h" |
0d39fa9c | 29 | #include "fileio.h" |
175d308c | 30 | #include "fs-util.h" |
8752c575 | 31 | #include "locale-util.h" |
608f8ec9 | 32 | #include "main-func.h" |
57db6f18 | 33 | #include "pager.h" |
2f2c539c | 34 | #include "parse-util.h" |
294bf0c3 | 35 | #include "pretty-print.h" |
c6878637 | 36 | #include "rm-rf.h" |
175d308c | 37 | #include "stat-util.h" |
341890de | 38 | #include "stdio-util.h" |
07630cea | 39 | #include "string-util.h" |
2f2c539c | 40 | #include "strv.h" |
7e87c7d9 | 41 | #include "terminal-util.h" |
e4de7287 | 42 | #include "tmpfile-util.h" |
2f2c539c | 43 | #include "umask-util.h" |
d88c96ff | 44 | #include "utf8.h" |
3f6fd1ba | 45 | #include "util.h" |
2f2c539c LP |
46 | #include "verbs.h" |
47 | #include "virt.h" | |
7b4d7cc0 | 48 | |
fbf45d22 LP |
49 | static char *arg_esp_path = NULL; |
50 | static char *arg_xbootldr_path = NULL; | |
51 | static bool arg_print_esp_path = false; | |
52 | static bool arg_print_dollar_boot_path = false; | |
25579a43 | 53 | static bool arg_touch_variables = true; |
0221d68a | 54 | static PagerFlags arg_pager_flags = 0; |
25579a43 | 55 | |
fbf45d22 LP |
56 | STATIC_DESTRUCTOR_REGISTER(arg_esp_path, freep); |
57 | STATIC_DESTRUCTOR_REGISTER(arg_xbootldr_path, freep); | |
58 | ||
59 | static const char *arg_dollar_boot_path(void) { | |
60 | /* $BOOT shall be the XBOOTLDR partition if it exists, and otherwise the ESP */ | |
61 | return arg_xbootldr_path ?: arg_esp_path; | |
62 | } | |
608f8ec9 | 63 | |
5caa3167 LP |
64 | static int acquire_esp( |
65 | bool unprivileged_mode, | |
66 | uint32_t *ret_part, | |
67 | uint64_t *ret_pstart, | |
68 | uint64_t *ret_psize, | |
69 | sd_id128_t *ret_uuid) { | |
70 | ||
71 | char *np; | |
2f2c539c LP |
72 | int r; |
73 | ||
fbf45d22 LP |
74 | /* Find the ESP, and log about errors. Note that find_esp_and_warn() will log in all error cases on |
75 | * its own, except for ENOKEY (which is good, we want to show our own message in that case, | |
76 | * suggesting use of --esp-path=) and EACCESS (only when we request unprivileged mode; in this case | |
77 | * we simply eat up the error here, so that --list and --status work too, without noise about | |
78 | * this). */ | |
5caa3167 | 79 | |
fbf45d22 | 80 | r = find_esp_and_warn(arg_esp_path, unprivileged_mode, &np, ret_part, ret_pstart, ret_psize, ret_uuid); |
5caa3167 | 81 | if (r == -ENOKEY) |
af918182 | 82 | return log_error_errno(r, |
5caa3167 | 83 | "Couldn't find EFI system partition. It is recommended to mount it to /boot or /efi.\n" |
fbf45d22 | 84 | "Alternatively, use --esp-path= to specify path to mount point."); |
5caa3167 LP |
85 | if (r < 0) |
86 | return r; | |
87 | ||
fbf45d22 LP |
88 | free_and_replace(arg_esp_path, np); |
89 | log_debug("Using EFI System Partition at %s.", arg_esp_path); | |
90 | ||
91 | return 1; | |
92 | } | |
0974a682 | 93 | |
fbf45d22 LP |
94 | static int acquire_xbootldr(bool unprivileged_mode, sd_id128_t *ret_uuid) { |
95 | char *np; | |
96 | int r; | |
5caa3167 | 97 | |
fbf45d22 LP |
98 | r = find_xbootldr_and_warn(arg_xbootldr_path, unprivileged_mode, &np, ret_uuid); |
99 | if (r == -ENOKEY) { | |
100 | log_debug_errno(r, "Didn't find an XBOOTLDR partition, using the ESP as $BOOT."); | |
101 | if (ret_uuid) | |
102 | *ret_uuid = SD_ID128_NULL; | |
103 | return 0; | |
104 | } | |
105 | if (r < 0) | |
106 | return r; | |
107 | ||
108 | free_and_replace(arg_xbootldr_path, np); | |
109 | log_debug("Using XBOOTLDR partition at %s as $BOOT.", arg_xbootldr_path); | |
110 | ||
111 | return 1; | |
7b4d7cc0 KS |
112 | } |
113 | ||
e7dd673d | 114 | /* search for "#### LoaderInfo: systemd-boot 218 ####" string inside the binary */ |
d3226d77 | 115 | static int get_file_version(int fd, char **v) { |
0974a682 KS |
116 | struct stat st; |
117 | char *buf; | |
118 | const char *s, *e; | |
119 | char *x = NULL; | |
120 | int r = 0; | |
7b4d7cc0 | 121 | |
d3226d77 | 122 | assert(fd >= 0); |
0974a682 | 123 | assert(v); |
7b4d7cc0 | 124 | |
d3226d77 | 125 | if (fstat(fd, &st) < 0) |
db6d9fae | 126 | return log_error_errno(errno, "Failed to stat EFI binary: %m"); |
7b4d7cc0 | 127 | |
c4ba5b51 LP |
128 | r = stat_verify_regular(&st); |
129 | if (r < 0) | |
130 | return log_error_errno(errno, "EFI binary is not a regular file: %m"); | |
131 | ||
db6d9fae LP |
132 | if (st.st_size < 27) { |
133 | *v = NULL; | |
0974a682 | 134 | return 0; |
db6d9fae | 135 | } |
eb9da376 | 136 | |
d3226d77 | 137 | buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); |
0974a682 | 138 | if (buf == MAP_FAILED) |
db6d9fae | 139 | return log_error_errno(errno, "Failed to memory map EFI binary: %m"); |
7b4d7cc0 | 140 | |
0974a682 KS |
141 | s = memmem(buf, st.st_size - 8, "#### LoaderInfo: ", 17); |
142 | if (!s) | |
143 | goto finish; | |
144 | s += 17; | |
7b4d7cc0 | 145 | |
0974a682 KS |
146 | e = memmem(s, st.st_size - (s - buf), " ####", 5); |
147 | if (!e || e - s < 3) { | |
78d5d4ed | 148 | r = log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Malformed version string."); |
0974a682 KS |
149 | goto finish; |
150 | } | |
7b4d7cc0 | 151 | |
0974a682 KS |
152 | x = strndup(s, e - s); |
153 | if (!x) { | |
d3226d77 | 154 | r = log_oom(); |
0974a682 KS |
155 | goto finish; |
156 | } | |
157 | r = 1; | |
7b4d7cc0 | 158 | |
0974a682 | 159 | finish: |
db6d9fae | 160 | (void) munmap(buf, st.st_size); |
0974a682 KS |
161 | *v = x; |
162 | return r; | |
163 | } | |
7b4d7cc0 | 164 | |
0974a682 | 165 | static int enumerate_binaries(const char *esp_path, const char *path, const char *prefix) { |
d3226d77 | 166 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 | 167 | struct dirent *de; |
fbf45d22 LP |
168 | int c = 0, r; |
169 | char *p; | |
170 | ||
171 | assert(esp_path); | |
172 | assert(path); | |
0974a682 | 173 | |
d3226d77 | 174 | p = strjoina(esp_path, "/", path); |
0974a682 KS |
175 | d = opendir(p); |
176 | if (!d) { | |
d3226d77 ZJS |
177 | if (errno == ENOENT) |
178 | return 0; | |
7b4d7cc0 | 179 | |
d3226d77 | 180 | return log_error_errno(errno, "Failed to read \"%s\": %m", p); |
0974a682 KS |
181 | } |
182 | ||
e41256dc | 183 | FOREACH_DIRENT(de, d, break) { |
d3226d77 | 184 | _cleanup_free_ char *v = NULL; |
fbf45d22 | 185 | _cleanup_close_ int fd = -1; |
0974a682 | 186 | |
d3226d77 | 187 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
188 | continue; |
189 | ||
d3226d77 | 190 | if (prefix && !startswith_no_case(de->d_name, prefix)) |
0974a682 KS |
191 | continue; |
192 | ||
d3226d77 ZJS |
193 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
194 | if (fd < 0) | |
195 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); | |
0974a682 | 196 | |
d3226d77 | 197 | r = get_file_version(fd, &v); |
0974a682 | 198 | if (r < 0) |
d3226d77 | 199 | return r; |
0974a682 | 200 | if (r > 0) |
9a6f746f | 201 | printf(" File: %s/%s/%s (%s%s%s)\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path, de->d_name, ansi_highlight(), v, ansi_normal()); |
0974a682 | 202 | else |
9a6f746f | 203 | printf(" File: %s/%s/%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path, de->d_name); |
fbf45d22 | 204 | |
0974a682 | 205 | c++; |
0974a682 KS |
206 | } |
207 | ||
d3226d77 | 208 | return c; |
7b4d7cc0 KS |
209 | } |
210 | ||
0974a682 KS |
211 | static int status_binaries(const char *esp_path, sd_id128_t partition) { |
212 | int r; | |
213 | ||
7fd66f3c | 214 | printf("Available Boot Loaders on ESP:\n"); |
0974a682 | 215 | |
cd2d4c7f YW |
216 | if (!esp_path) { |
217 | printf(" ESP: Cannot find or access mount point of ESP.\n\n"); | |
218 | return -ENOENT; | |
219 | } | |
220 | ||
221 | printf(" ESP: %s", esp_path); | |
222 | if (!sd_id128_is_null(partition)) | |
223 | 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)); | |
224 | printf("\n"); | |
0974a682 KS |
225 | |
226 | r = enumerate_binaries(esp_path, "EFI/systemd", NULL); | |
fbf45d22 | 227 | if (r < 0) |
882b3bd6 | 228 | goto finish; |
0974a682 | 229 | if (r == 0) |
48184e43 | 230 | log_info("systemd-boot not installed in ESP."); |
0974a682 | 231 | |
00f69504 | 232 | r = enumerate_binaries(esp_path, "EFI/BOOT", "boot"); |
fbf45d22 | 233 | if (r < 0) |
882b3bd6 | 234 | goto finish; |
0974a682 | 235 | if (r == 0) |
48184e43 | 236 | log_info("No default/fallback boot loader installed in ESP."); |
0974a682 | 237 | |
882b3bd6 | 238 | r = 0; |
c11ae0ba | 239 | |
882b3bd6 LP |
240 | finish: |
241 | printf("\n"); | |
242 | return r; | |
0974a682 KS |
243 | } |
244 | ||
245 | static int print_efi_option(uint16_t id, bool in_order) { | |
7cb0f263 TA |
246 | _cleanup_free_ char *title = NULL; |
247 | _cleanup_free_ char *path = NULL; | |
0974a682 KS |
248 | sd_id128_t partition; |
249 | bool active; | |
250 | int r = 0; | |
251 | ||
252 | r = efi_get_boot_option(id, &title, &partition, &path, &active); | |
253 | if (r < 0) | |
7cb0f263 | 254 | return r; |
7b4d7cc0 | 255 | |
0974a682 | 256 | /* print only configured entries with partition information */ |
3bbaff3e | 257 | if (!path || sd_id128_is_null(partition)) |
0974a682 KS |
258 | return 0; |
259 | ||
260 | efi_tilt_backslashes(path); | |
261 | ||
ba857253 | 262 | printf(" Title: %s%s%s\n", ansi_highlight(), strna(title), ansi_normal()); |
0974a682 KS |
263 | printf(" ID: 0x%04X\n", id); |
264 | printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : ""); | |
265 | 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)); | |
9a6f746f | 266 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path); |
0974a682 KS |
267 | printf("\n"); |
268 | ||
7cb0f263 | 269 | return 0; |
0974a682 KS |
270 | } |
271 | ||
272 | static int status_variables(void) { | |
d3226d77 | 273 | _cleanup_free_ uint16_t *options = NULL, *order = NULL; |
a36b411e | 274 | int n_options, n_order, i; |
0974a682 | 275 | |
0974a682 | 276 | n_options = efi_get_boot_options(&options); |
d3226d77 | 277 | if (n_options == -ENOENT) |
f939cff7 LP |
278 | return log_error_errno(n_options, |
279 | "Failed to access EFI variables, efivarfs" | |
d3226d77 | 280 | " needs to be available at /sys/firmware/efi/efivars/."); |
f939cff7 | 281 | if (n_options < 0) |
d3226d77 | 282 | return log_error_errno(n_options, "Failed to read EFI boot entries: %m"); |
0974a682 | 283 | |
0974a682 | 284 | n_order = efi_get_boot_order(&order); |
d3226d77 | 285 | if (n_order == -ENOENT) |
0974a682 | 286 | n_order = 0; |
d3226d77 | 287 | else if (n_order < 0) |
7709ef3a | 288 | return log_error_errno(n_order, "Failed to read EFI boot order: %m"); |
0974a682 KS |
289 | |
290 | /* print entries in BootOrder first */ | |
7fd66f3c | 291 | printf("Boot Loaders Listed in EFI Variables:\n"); |
0974a682 KS |
292 | for (i = 0; i < n_order; i++) |
293 | print_efi_option(order[i], true); | |
294 | ||
295 | /* print remaining entries */ | |
296 | for (i = 0; i < n_options; i++) { | |
297 | int j; | |
0974a682 KS |
298 | |
299 | for (j = 0; j < n_order; j++) | |
d3226d77 | 300 | if (options[i] == order[j]) |
a908cf0a | 301 | goto next_option; |
0974a682 KS |
302 | |
303 | print_efi_option(options[i], false); | |
a908cf0a MM |
304 | |
305 | next_option: | |
306 | continue; | |
0974a682 KS |
307 | } |
308 | ||
d3226d77 | 309 | return 0; |
0974a682 KS |
310 | } |
311 | ||
20a28174 LP |
312 | static int boot_entry_show(const BootEntry *e, bool show_as_default) { |
313 | assert(e); | |
314 | ||
93f14ce2 LP |
315 | printf(" title: %s%s%s%s%s%s\n" |
316 | " type: %s\n", | |
20a28174 LP |
317 | ansi_highlight(), |
318 | boot_entry_title(e), | |
319 | ansi_normal(), | |
320 | ansi_highlight_green(), | |
321 | show_as_default ? " (default)" : "", | |
93f14ce2 LP |
322 | ansi_normal(), |
323 | boot_entry_type_to_string(e->type)); | |
20a28174 LP |
324 | |
325 | if (e->id) | |
326 | printf(" id: %s\n", e->id); | |
327 | if (e->version) | |
328 | printf(" version: %s\n", e->version); | |
329 | if (e->machine_id) | |
330 | printf(" machine-id: %s\n", e->machine_id); | |
331 | if (e->architecture) | |
332 | printf(" architecture: %s\n", e->architecture); | |
333 | if (e->kernel) | |
334 | printf(" linux: %s\n", e->kernel); | |
335 | if (!strv_isempty(e->initrd)) { | |
336 | _cleanup_free_ char *t; | |
337 | ||
338 | t = strv_join(e->initrd, " "); | |
339 | if (!t) | |
340 | return log_oom(); | |
341 | ||
342 | printf(" initrd: %s\n", t); | |
343 | } | |
344 | if (!strv_isempty(e->options)) { | |
345 | _cleanup_free_ char *t; | |
346 | ||
347 | t = strv_join(e->options, " "); | |
348 | if (!t) | |
349 | return log_oom(); | |
350 | ||
351 | printf(" options: %s\n", t); | |
352 | } | |
353 | if (e->device_tree) | |
354 | printf(" devicetree: %s\n", e->device_tree); | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
81fed855 LP |
359 | static int status_entries( |
360 | const char *esp_path, | |
361 | sd_id128_t esp_partition_uuid, | |
362 | const char *xbootldr_path, | |
363 | sd_id128_t xbootldr_partition_uuid) { | |
364 | ||
7e87c7d9 | 365 | _cleanup_(boot_config_free) BootConfig config = {}; |
81fed855 LP |
366 | sd_id128_t dollar_boot_partition_uuid; |
367 | const char *dollar_boot_path; | |
a099e035 | 368 | int r; |
7e87c7d9 | 369 | |
81fed855 LP |
370 | assert(esp_path || xbootldr_path); |
371 | ||
372 | if (xbootldr_path) { | |
373 | dollar_boot_path = xbootldr_path; | |
374 | dollar_boot_partition_uuid = xbootldr_partition_uuid; | |
375 | } else { | |
376 | dollar_boot_path = esp_path; | |
377 | dollar_boot_partition_uuid = esp_partition_uuid; | |
378 | } | |
379 | ||
380 | printf("Boot Loader Entries:\n" | |
381 | " $BOOT: %s", dollar_boot_path); | |
382 | if (!sd_id128_is_null(dollar_boot_partition_uuid)) | |
383 | 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(dollar_boot_partition_uuid)); | |
384 | printf("\n\n"); | |
385 | ||
fbf45d22 | 386 | r = boot_entries_load_config(esp_path, xbootldr_path, &config); |
7e87c7d9 | 387 | if (r < 0) |
21f7a622 | 388 | return r; |
7e87c7d9 ZJS |
389 | |
390 | if (config.default_entry < 0) | |
a099e035 | 391 | printf("%zu entries, no entry could be determined as default.\n", config.n_entries); |
7e87c7d9 | 392 | else { |
7fd66f3c | 393 | printf("Default Boot Loader Entry:\n"); |
a099e035 | 394 | |
20a28174 | 395 | boot_entry_show(config.entries + config.default_entry, false); |
7e87c7d9 ZJS |
396 | } |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
0974a682 KS |
401 | static int compare_product(const char *a, const char *b) { |
402 | size_t x, y; | |
403 | ||
404 | assert(a); | |
405 | assert(b); | |
406 | ||
407 | x = strcspn(a, " "); | |
408 | y = strcspn(b, " "); | |
409 | if (x != y) | |
410 | return x < y ? -1 : x > y ? 1 : 0; | |
411 | ||
412 | return strncmp(a, b, x); | |
413 | } | |
414 | ||
415 | static int compare_version(const char *a, const char *b) { | |
416 | assert(a); | |
417 | assert(b); | |
418 | ||
419 | a += strcspn(a, " "); | |
420 | a += strspn(a, " "); | |
421 | b += strcspn(b, " "); | |
422 | b += strspn(b, " "); | |
423 | ||
424 | return strverscmp(a, b); | |
425 | } | |
426 | ||
175d308c | 427 | static int version_check(int fd_from, const char *from, int fd_to, const char *to) { |
d3226d77 | 428 | _cleanup_free_ char *a = NULL, *b = NULL; |
0974a682 KS |
429 | int r; |
430 | ||
175d308c | 431 | assert(fd_from >= 0); |
0974a682 | 432 | assert(from); |
175d308c | 433 | assert(fd_to >= 0); |
0974a682 KS |
434 | assert(to); |
435 | ||
175d308c | 436 | r = get_file_version(fd_from, &a); |
0974a682 | 437 | if (r < 0) |
d3226d77 | 438 | return r; |
baaa35ad ZJS |
439 | if (r == 0) |
440 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
441 | "Source file \"%s\" does not carry version information!", | |
442 | from); | |
0974a682 | 443 | |
175d308c | 444 | r = get_file_version(fd_to, &b); |
0974a682 | 445 | if (r < 0) |
d3226d77 | 446 | return r; |
baaa35ad ZJS |
447 | if (r == 0 || compare_product(a, b) != 0) |
448 | return log_notice_errno(SYNTHETIC_ERRNO(EEXIST), | |
449 | "Skipping \"%s\", since it's owned by another boot loader.", | |
450 | to); | |
0974a682 | 451 | |
78d5d4ed LP |
452 | if (compare_version(a, b) < 0) |
453 | return log_warning_errno(SYNTHETIC_ERRNO(ESTALE), "Skipping \"%s\", since a newer boot loader version exists already.", to); | |
0974a682 | 454 | |
d3226d77 | 455 | return 0; |
0974a682 KS |
456 | } |
457 | ||
175d308c LP |
458 | static int copy_file_with_version_check(const char *from, const char *to, bool force) { |
459 | _cleanup_close_ int fd_from = -1, fd_to = -1; | |
460 | _cleanup_free_ char *t = NULL; | |
0974a682 | 461 | int r; |
0974a682 | 462 | |
175d308c LP |
463 | fd_from = open(from, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
464 | if (fd_from < 0) | |
d3226d77 | 465 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", from); |
0974a682 KS |
466 | |
467 | if (!force) { | |
175d308c LP |
468 | fd_to = open(to, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
469 | if (fd_to < 0) { | |
470 | if (errno != -ENOENT) | |
471 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", to); | |
472 | } else { | |
473 | r = version_check(fd_from, from, fd_to, to); | |
474 | if (r < 0) | |
475 | return r; | |
476 | ||
477 | if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1) | |
6719ca72 | 478 | return log_error_errno(errno, "Failed to seek in \"%s\": %m", from); |
175d308c LP |
479 | |
480 | fd_to = safe_close(fd_to); | |
0974a682 | 481 | } |
175d308c | 482 | } |
d3226d77 | 483 | |
175d308c LP |
484 | r = tempfn_random(to, NULL, &t); |
485 | if (r < 0) | |
486 | return log_oom(); | |
0974a682 | 487 | |
175d308c LP |
488 | RUN_WITH_UMASK(0000) { |
489 | fd_to = open(t, O_WRONLY|O_CREAT|O_CLOEXEC|O_EXCL|O_NOFOLLOW, 0644); | |
490 | if (fd_to < 0) | |
491 | return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", t); | |
0974a682 KS |
492 | } |
493 | ||
175d308c | 494 | r = copy_bytes(fd_from, fd_to, (uint64_t) -1, COPY_REFLINK); |
0974a682 | 495 | if (r < 0) { |
0675e94a AJ |
496 | (void) unlink(t); |
497 | return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
0974a682 KS |
498 | } |
499 | ||
adc6f43b | 500 | (void) copy_times(fd_from, fd_to, 0); |
0974a682 | 501 | |
8ac2f74f | 502 | if (fsync(fd_to) < 0) { |
0675e94a AJ |
503 | (void) unlink_noerrno(t); |
504 | return log_error_errno(errno, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
505 | } | |
506 | ||
8ac2f74f LP |
507 | (void) fsync_directory_of_file(fd_to); |
508 | ||
b1c05b98 | 509 | if (renameat(AT_FDCWD, t, AT_FDCWD, to) < 0) { |
175d308c LP |
510 | (void) unlink_noerrno(t); |
511 | return log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", t, to); | |
0974a682 KS |
512 | } |
513 | ||
d3226d77 | 514 | log_info("Copied \"%s\" to \"%s\".", from, to); |
0974a682 | 515 | |
175d308c | 516 | return 0; |
0974a682 KS |
517 | } |
518 | ||
0974a682 | 519 | static int mkdir_one(const char *prefix, const char *suffix) { |
e2600fd5 | 520 | _cleanup_free_ char *p = NULL; |
0974a682 | 521 | |
e2600fd5 | 522 | p = path_join(prefix, suffix); |
0974a682 | 523 | if (mkdir(p, 0700) < 0) { |
d3226d77 ZJS |
524 | if (errno != EEXIST) |
525 | return log_error_errno(errno, "Failed to create \"%s\": %m", p); | |
0974a682 | 526 | } else |
d3226d77 | 527 | log_info("Created \"%s\".", p); |
7b4d7cc0 | 528 | |
0974a682 KS |
529 | return 0; |
530 | } | |
531 | ||
fbf45d22 | 532 | static const char *const esp_subdirs[] = { |
d3226d77 ZJS |
533 | "EFI", |
534 | "EFI/systemd", | |
00f69504 | 535 | "EFI/BOOT", |
d3226d77 | 536 | "loader", |
fbf45d22 LP |
537 | /* Note that "/loader/entries" is not listed here, since it should be placed in $BOOT, which might |
538 | * not necessarily be the ESP */ | |
9ee051b9 | 539 | NULL |
d3226d77 ZJS |
540 | }; |
541 | ||
fbf45d22 LP |
542 | static int create_esp_subdirs(const char *esp_path) { |
543 | const char *const *i; | |
0974a682 KS |
544 | int r; |
545 | ||
fbf45d22 | 546 | STRV_FOREACH(i, esp_subdirs) { |
181ccb43 | 547 | r = mkdir_one(esp_path, *i); |
d3226d77 ZJS |
548 | if (r < 0) |
549 | return r; | |
550 | } | |
7b4d7cc0 | 551 | |
7b4d7cc0 | 552 | return 0; |
7b4d7cc0 KS |
553 | } |
554 | ||
0974a682 | 555 | static int copy_one_file(const char *esp_path, const char *name, bool force) { |
d3226d77 | 556 | char *p, *q; |
0974a682 KS |
557 | int r; |
558 | ||
d3226d77 ZJS |
559 | p = strjoina(BOOTLIBDIR "/", name); |
560 | q = strjoina(esp_path, "/EFI/systemd/", name); | |
175d308c | 561 | r = copy_file_with_version_check(p, q, force); |
0974a682 | 562 | |
e7dd673d | 563 | if (startswith(name, "systemd-boot")) { |
0974a682 | 564 | int k; |
d3226d77 | 565 | char *v; |
0974a682 KS |
566 | |
567 | /* Create the EFI default boot loader name (specified for removable devices) */ | |
fbd0b64f LP |
568 | v = strjoina(esp_path, "/EFI/BOOT/BOOT", |
569 | name + STRLEN("systemd-boot")); | |
846b8fc3 | 570 | ascii_strupper(strrchr(v, '/') + 1); |
0974a682 | 571 | |
175d308c | 572 | k = copy_file_with_version_check(p, v, force); |
0974a682 | 573 | if (k < 0 && r == 0) |
d3226d77 | 574 | r = k; |
0974a682 KS |
575 | } |
576 | ||
577 | return r; | |
7b4d7cc0 KS |
578 | } |
579 | ||
0974a682 KS |
580 | static int install_binaries(const char *esp_path, bool force) { |
581 | struct dirent *de; | |
d3226d77 | 582 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 KS |
583 | int r = 0; |
584 | ||
e7dd673d | 585 | d = opendir(BOOTLIBDIR); |
d3226d77 ZJS |
586 | if (!d) |
587 | return log_error_errno(errno, "Failed to open \""BOOTLIBDIR"\": %m"); | |
0974a682 | 588 | |
0d73a816 | 589 | FOREACH_DIRENT(de, d, return log_error_errno(errno, "Failed to read \""BOOTLIBDIR"\": %m")) { |
0974a682 KS |
590 | int k; |
591 | ||
d3226d77 | 592 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
593 | continue; |
594 | ||
595 | k = copy_one_file(esp_path, de->d_name, force); | |
596 | if (k < 0 && r == 0) | |
597 | r = k; | |
598 | } | |
599 | ||
0974a682 | 600 | return r; |
7b4d7cc0 KS |
601 | } |
602 | ||
0974a682 | 603 | static bool same_entry(uint16_t id, const sd_id128_t uuid, const char *path) { |
d3226d77 | 604 | _cleanup_free_ char *opath = NULL; |
0974a682 | 605 | sd_id128_t ouuid; |
d3226d77 | 606 | int r; |
7b4d7cc0 | 607 | |
d3226d77 ZJS |
608 | r = efi_get_boot_option(id, NULL, &ouuid, &opath, NULL); |
609 | if (r < 0) | |
0974a682 KS |
610 | return false; |
611 | if (!sd_id128_equal(uuid, ouuid)) | |
d3226d77 | 612 | return false; |
0974a682 | 613 | if (!streq_ptr(path, opath)) |
d3226d77 | 614 | return false; |
0974a682 | 615 | |
d3226d77 | 616 | return true; |
0974a682 KS |
617 | } |
618 | ||
619 | static int find_slot(sd_id128_t uuid, const char *path, uint16_t *id) { | |
d3226d77 ZJS |
620 | _cleanup_free_ uint16_t *options = NULL; |
621 | int n, i; | |
0974a682 | 622 | |
d3226d77 ZJS |
623 | n = efi_get_boot_options(&options); |
624 | if (n < 0) | |
625 | return n; | |
0974a682 | 626 | |
e7dd673d | 627 | /* find already existing systemd-boot entry */ |
d3226d77 | 628 | for (i = 0; i < n; i++) |
0974a682 | 629 | if (same_entry(options[i], uuid, path)) { |
d3226d77 ZJS |
630 | *id = options[i]; |
631 | return 1; | |
0974a682 KS |
632 | } |
633 | ||
634 | /* find free slot in the sorted BootXXXX variable list */ | |
d3226d77 | 635 | for (i = 0; i < n; i++) |
0974a682 | 636 | if (i != options[i]) { |
d3226d77 ZJS |
637 | *id = i; |
638 | return 1; | |
0974a682 KS |
639 | } |
640 | ||
641 | /* use the next one */ | |
642 | if (i == 0xffff) | |
643 | return -ENOSPC; | |
d3226d77 ZJS |
644 | *id = i; |
645 | return 0; | |
0974a682 KS |
646 | } |
647 | ||
648 | static int insert_into_order(uint16_t slot, bool first) { | |
d3226d77 ZJS |
649 | _cleanup_free_ uint16_t *order = NULL; |
650 | uint16_t *t; | |
651 | int n, i; | |
0974a682 | 652 | |
d3226d77 ZJS |
653 | n = efi_get_boot_order(&order); |
654 | if (n <= 0) | |
0974a682 | 655 | /* no entry, add us */ |
d3226d77 | 656 | return efi_set_boot_order(&slot, 1); |
0974a682 KS |
657 | |
658 | /* are we the first and only one? */ | |
d3226d77 ZJS |
659 | if (n == 1 && order[0] == slot) |
660 | return 0; | |
0974a682 KS |
661 | |
662 | /* are we already in the boot order? */ | |
d3226d77 | 663 | for (i = 0; i < n; i++) { |
0974a682 KS |
664 | if (order[i] != slot) |
665 | continue; | |
666 | ||
667 | /* we do not require to be the first one, all is fine */ | |
668 | if (!first) | |
d3226d77 | 669 | return 0; |
0974a682 KS |
670 | |
671 | /* move us to the first slot */ | |
d3226d77 | 672 | memmove(order + 1, order, i * sizeof(uint16_t)); |
0974a682 | 673 | order[0] = slot; |
d3226d77 | 674 | return efi_set_boot_order(order, n); |
0974a682 KS |
675 | } |
676 | ||
677 | /* extend array */ | |
a7798cd8 | 678 | t = reallocarray(order, n + 1, sizeof(uint16_t)); |
d3226d77 ZJS |
679 | if (!t) |
680 | return -ENOMEM; | |
681 | order = t; | |
0974a682 KS |
682 | |
683 | /* add us to the top or end of the list */ | |
684 | if (first) { | |
d3226d77 | 685 | memmove(order + 1, order, n * sizeof(uint16_t)); |
0974a682 KS |
686 | order[0] = slot; |
687 | } else | |
d3226d77 | 688 | order[n] = slot; |
0974a682 | 689 | |
d3226d77 | 690 | return efi_set_boot_order(order, n + 1); |
0974a682 KS |
691 | } |
692 | ||
693 | static int remove_from_order(uint16_t slot) { | |
7cb0f263 | 694 | _cleanup_free_ uint16_t *order = NULL; |
d3226d77 | 695 | int n, i; |
0974a682 | 696 | |
d3226d77 ZJS |
697 | n = efi_get_boot_order(&order); |
698 | if (n <= 0) | |
699 | return n; | |
0974a682 | 700 | |
d3226d77 | 701 | for (i = 0; i < n; i++) { |
0974a682 KS |
702 | if (order[i] != slot) |
703 | continue; | |
704 | ||
d3226d77 ZJS |
705 | if (i + 1 < n) |
706 | memmove(order + i, order + i+1, (n - i) * sizeof(uint16_t)); | |
707 | return efi_set_boot_order(order, n - 1); | |
0974a682 KS |
708 | } |
709 | ||
d3226d77 | 710 | return 0; |
0974a682 KS |
711 | } |
712 | ||
713 | static int install_variables(const char *esp_path, | |
714 | uint32_t part, uint64_t pstart, uint64_t psize, | |
715 | sd_id128_t uuid, const char *path, | |
716 | bool first) { | |
d3226d77 | 717 | char *p; |
0974a682 KS |
718 | uint16_t slot; |
719 | int r; | |
720 | ||
721 | if (!is_efi_boot()) { | |
d3226d77 | 722 | log_warning("Not booted with EFI, skipping EFI variable setup."); |
0974a682 KS |
723 | return 0; |
724 | } | |
725 | ||
d3226d77 | 726 | p = strjoina(esp_path, path); |
0974a682 KS |
727 | if (access(p, F_OK) < 0) { |
728 | if (errno == ENOENT) | |
d3226d77 | 729 | return 0; |
f939cff7 LP |
730 | |
731 | return log_error_errno(errno, "Cannot access \"%s\": %m", p); | |
0974a682 | 732 | } |
7b4d7cc0 | 733 | |
0974a682 | 734 | r = find_slot(uuid, path, &slot); |
d3226d77 ZJS |
735 | if (r < 0) |
736 | return log_error_errno(r, | |
737 | r == -ENOENT ? | |
738 | "Failed to access EFI variables. Is the \"efivarfs\" filesystem mounted?" : | |
739 | "Failed to determine current boot order: %m"); | |
7b4d7cc0 | 740 | |
181ccb43 | 741 | if (first || r == 0) { |
0974a682 KS |
742 | r = efi_add_boot_option(slot, "Linux Boot Manager", |
743 | part, pstart, psize, | |
744 | uuid, path); | |
d3226d77 ZJS |
745 | if (r < 0) |
746 | return log_error_errno(r, "Failed to create EFI Boot variable entry: %m"); | |
0974a682 | 747 | |
d3226d77 ZJS |
748 | log_info("Created EFI boot entry \"Linux Boot Manager\"."); |
749 | } | |
0974a682 | 750 | |
d3226d77 | 751 | return insert_into_order(slot, first); |
0974a682 KS |
752 | } |
753 | ||
754 | static int remove_boot_efi(const char *esp_path) { | |
d3226d77 ZJS |
755 | char *p; |
756 | _cleanup_closedir_ DIR *d = NULL; | |
0974a682 | 757 | struct dirent *de; |
d3226d77 | 758 | int r, c = 0; |
0974a682 | 759 | |
00f69504 | 760 | p = strjoina(esp_path, "/EFI/BOOT"); |
0974a682 KS |
761 | d = opendir(p); |
762 | if (!d) { | |
d3226d77 ZJS |
763 | if (errno == ENOENT) |
764 | return 0; | |
0974a682 | 765 | |
d3226d77 | 766 | return log_error_errno(errno, "Failed to open directory \"%s\": %m", p); |
0974a682 KS |
767 | } |
768 | ||
e41256dc | 769 | FOREACH_DIRENT(de, d, break) { |
d3226d77 ZJS |
770 | _cleanup_close_ int fd = -1; |
771 | _cleanup_free_ char *v = NULL; | |
0974a682 | 772 | |
d3226d77 | 773 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
774 | continue; |
775 | ||
b7536c45 | 776 | if (!startswith_no_case(de->d_name, "boot")) |
0974a682 KS |
777 | continue; |
778 | ||
d3226d77 | 779 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
dd114e11 | 780 | if (fd < 0) |
d3226d77 | 781 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); |
0974a682 | 782 | |
d3226d77 | 783 | r = get_file_version(fd, &v); |
0974a682 | 784 | if (r < 0) |
d3226d77 ZJS |
785 | return r; |
786 | if (r > 0 && startswith(v, "systemd-boot ")) { | |
787 | r = unlinkat(dirfd(d), de->d_name, 0); | |
788 | if (r < 0) | |
789 | return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name); | |
790 | ||
a592ab6a | 791 | log_info("Removed \"%s/%s\".", p, de->d_name); |
0974a682 KS |
792 | } |
793 | ||
794 | c++; | |
0974a682 KS |
795 | } |
796 | ||
d3226d77 | 797 | return c; |
0974a682 KS |
798 | } |
799 | ||
800 | static int rmdir_one(const char *prefix, const char *suffix) { | |
801 | char *p; | |
7b4d7cc0 | 802 | |
d3226d77 | 803 | p = strjoina(prefix, "/", suffix); |
0974a682 | 804 | if (rmdir(p) < 0) { |
fbf45d22 LP |
805 | bool ignore = IN_SET(errno, ENOENT, ENOTEMPTY); |
806 | ||
807 | log_full_errno(ignore ? LOG_DEBUG : LOG_ERR, errno, | |
808 | "Failed to remove directory \"%s\": %m", p); | |
809 | if (!ignore) | |
810 | return -errno; | |
7b4d7cc0 | 811 | } else |
d3226d77 | 812 | log_info("Removed \"%s\".", p); |
7b4d7cc0 | 813 | |
0974a682 | 814 | return 0; |
7b4d7cc0 KS |
815 | } |
816 | ||
fbf45d22 LP |
817 | static int remove_esp_subdirs(const char *esp_path) { |
818 | size_t i; | |
819 | int r = 0; | |
820 | ||
821 | for (i = ELEMENTSOF(esp_subdirs)-1; i > 0; i--) { | |
822 | int q; | |
823 | ||
824 | q = rmdir_one(esp_path, esp_subdirs[i-1]); | |
825 | if (q < 0 && r >= 0) | |
826 | r = q; | |
827 | } | |
828 | ||
829 | return r; | |
830 | } | |
831 | ||
0974a682 KS |
832 | static int remove_binaries(const char *esp_path) { |
833 | char *p; | |
834 | int r, q; | |
835 | ||
d3226d77 | 836 | p = strjoina(esp_path, "/EFI/systemd"); |
c6878637 | 837 | r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL); |
0974a682 KS |
838 | |
839 | q = remove_boot_efi(esp_path); | |
840 | if (q < 0 && r == 0) | |
841 | r = q; | |
842 | ||
0974a682 KS |
843 | return r; |
844 | } | |
845 | ||
fbf45d22 LP |
846 | static int remove_loader_config(const char *esp_path) { |
847 | const char *p; | |
848 | ||
849 | assert(esp_path); | |
850 | ||
851 | p = strjoina(esp_path, "/loader/loader.conf"); | |
852 | if (unlink(p) < 0) { | |
853 | log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to unlink file \"%s\": %m", p); | |
854 | if (errno != ENOENT) | |
855 | return -errno; | |
856 | } else | |
857 | log_info("Removed \"%s\".", p); | |
858 | ||
859 | return 0; | |
860 | } | |
861 | ||
862 | static int remove_entries_directory(const char *dollar_boot_path) { | |
863 | assert(dollar_boot_path); | |
864 | ||
865 | return rmdir_one(dollar_boot_path, "/loader/entries"); | |
866 | } | |
867 | ||
0974a682 KS |
868 | static int remove_variables(sd_id128_t uuid, const char *path, bool in_order) { |
869 | uint16_t slot; | |
870 | int r; | |
871 | ||
872 | if (!is_efi_boot()) | |
873 | return 0; | |
874 | ||
875 | r = find_slot(uuid, path, &slot); | |
876 | if (r != 1) | |
877 | return 0; | |
878 | ||
879 | r = efi_remove_boot_option(slot); | |
880 | if (r < 0) | |
881 | return r; | |
882 | ||
883 | if (in_order) | |
d3226d77 | 884 | return remove_from_order(slot); |
f939cff7 LP |
885 | |
886 | return 0; | |
0974a682 KS |
887 | } |
888 | ||
341890de | 889 | static int install_loader_config(const char *esp_path, sd_id128_t machine_id) { |
d5ff6d6d | 890 | char machine_string[SD_ID128_STRING_MAX]; |
f5b84de2 LP |
891 | _cleanup_(unlink_and_freep) char *t = NULL; |
892 | _cleanup_fclose_ FILE *f = NULL; | |
d5ff6d6d | 893 | const char *p; |
f5b84de2 | 894 | int r, fd; |
0974a682 | 895 | |
d5ff6d6d | 896 | p = strjoina(esp_path, "/loader/loader.conf"); |
f5b84de2 LP |
897 | if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */ |
898 | return 0; | |
899 | ||
900 | fd = open_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t); | |
901 | if (fd < 0) | |
902 | return log_error_errno(fd, "Failed to open \"%s\" for writing: %m", p); | |
903 | ||
e92aaed3 | 904 | f = fdopen(fd, "w"); |
f5b84de2 LP |
905 | if (!f) { |
906 | safe_close(fd); | |
907 | return log_oom(); | |
908 | } | |
0974a682 | 909 | |
a36b411e LP |
910 | fprintf(f, "#timeout 3\n" |
911 | "#console-mode keep\n" | |
912 | "default %s-*\n", sd_id128_to_string(machine_id, machine_string)); | |
0974a682 | 913 | |
0675e94a | 914 | r = fflush_sync_and_check(f); |
d5ff6d6d LP |
915 | if (r < 0) |
916 | return log_error_errno(r, "Failed to write \"%s\": %m", p); | |
0974a682 | 917 | |
f5b84de2 LP |
918 | r = link_tmpfile(fd, t, p); |
919 | if (r == -EEXIST) | |
920 | return 0; /* Silently skip creation if the file exists now (recheck) */ | |
921 | if (r < 0) | |
922 | return log_error_errno(r, "Failed to move \"%s\" into place: %m", p); | |
923 | ||
924 | t = mfree(t); | |
f5b84de2 | 925 | return 1; |
0974a682 KS |
926 | } |
927 | ||
341890de ZJS |
928 | static int install_entries_directories(const char *dollar_boot_path, sd_id128_t machine_id) { |
929 | int r; | |
930 | char buf[SD_ID128_STRING_MAX]; | |
931 | ||
fbf45d22 LP |
932 | assert(dollar_boot_path); |
933 | ||
341890de ZJS |
934 | /* Both /loader/entries and the entry directories themselves should be located on the same |
935 | * partition. Also create the parent directory for entry directories, so that kernel-install | |
936 | * knows where to put them. */ | |
937 | ||
e2600fd5 | 938 | r = mkdir_one(dollar_boot_path, "loader/entries"); |
341890de ZJS |
939 | if (r < 0) |
940 | return r; | |
941 | ||
942 | return mkdir_one(dollar_boot_path, sd_id128_to_string(machine_id, buf)); | |
fbf45d22 LP |
943 | } |
944 | ||
2f2c539c | 945 | static int help(int argc, char *argv[], void *userdata) { |
37ec0fdd LP |
946 | _cleanup_free_ char *link = NULL; |
947 | int r; | |
948 | ||
949 | r = terminal_urlify_man("bootctl", "1", &link); | |
950 | if (r < 0) | |
951 | return log_oom(); | |
2f2c539c | 952 | |
37ec0fdd | 953 | printf("%s [COMMAND] [OPTIONS...]\n\n" |
68cc17f1 | 954 | "Install, update or remove the systemd-boot EFI boot manager.\n\n" |
fbf45d22 LP |
955 | " -h --help Show this help\n" |
956 | " --version Print version\n" | |
957 | " --esp-path=PATH Path to the EFI System Partition (ESP)\n" | |
958 | " --boot-path=PATH Path to the $BOOT partition\n" | |
959 | " -p --print-esp-path Print path to the EFI System Partition\n" | |
960 | " --print-boot-path Print path to the $BOOT partition\n" | |
961 | " --no-variables Don't touch EFI variables\n" | |
962 | " --no-pager Do not pipe output into a pager\n" | |
d88c96ff | 963 | "\nBoot Loader Commands:\n" |
fbf45d22 LP |
964 | " status Show status of installed systemd-boot and EFI variables\n" |
965 | " install Install systemd-boot to the ESP and EFI variables\n" | |
966 | " update Update systemd-boot in the ESP and EFI variables\n" | |
967 | " remove Remove systemd-boot from the ESP and EFI variables\n" | |
d88c96ff | 968 | "\nBoot Loader Entries Commands:\n" |
fbf45d22 LP |
969 | " list List boot loader entries\n" |
970 | " set-default ID Set default boot loader entry\n" | |
971 | " set-oneshot ID Set default boot loader entry, for next boot only\n" | |
37ec0fdd LP |
972 | "\nSee the %s for details.\n" |
973 | , program_invocation_short_name | |
d88c96ff | 974 | , link); |
0974a682 KS |
975 | |
976 | return 0; | |
977 | } | |
978 | ||
0974a682 KS |
979 | static int parse_argv(int argc, char *argv[]) { |
980 | enum { | |
fbf45d22 LP |
981 | ARG_ESP_PATH = 0x100, |
982 | ARG_BOOT_PATH, | |
983 | ARG_PRINT_BOOT_PATH, | |
0974a682 KS |
984 | ARG_VERSION, |
985 | ARG_NO_VARIABLES, | |
57db6f18 | 986 | ARG_NO_PAGER, |
7b4d7cc0 KS |
987 | }; |
988 | ||
0974a682 | 989 | static const struct option options[] = { |
fbf45d22 LP |
990 | { "help", no_argument, NULL, 'h' }, |
991 | { "version", no_argument, NULL, ARG_VERSION }, | |
992 | { "esp-path", required_argument, NULL, ARG_ESP_PATH }, | |
993 | { "path", required_argument, NULL, ARG_ESP_PATH }, /* Compatibility alias */ | |
994 | { "boot-path", required_argument, NULL, ARG_BOOT_PATH }, | |
995 | { "print-esp-path", no_argument, NULL, 'p' }, | |
996 | { "print-path", no_argument, NULL, 'p' }, /* Compatibility alias */ | |
997 | { "print-boot-path", no_argument, NULL, ARG_PRINT_BOOT_PATH }, | |
998 | { "no-variables", no_argument, NULL, ARG_NO_VARIABLES }, | |
999 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
a36b411e | 1000 | {} |
0974a682 KS |
1001 | }; |
1002 | ||
2f2c539c | 1003 | int c, r; |
7b4d7cc0 KS |
1004 | |
1005 | assert(argc >= 0); | |
1006 | assert(argv); | |
1007 | ||
30b50477 | 1008 | while ((c = getopt_long(argc, argv, "hp", options, NULL)) >= 0) |
0974a682 | 1009 | switch (c) { |
7b4d7cc0 | 1010 | |
0974a682 | 1011 | case 'h': |
2f2c539c | 1012 | help(0, NULL, NULL); |
7b4d7cc0 | 1013 | return 0; |
7b4d7cc0 | 1014 | |
0974a682 | 1015 | case ARG_VERSION: |
3f6fd1ba | 1016 | return version(); |
7b4d7cc0 | 1017 | |
fbf45d22 LP |
1018 | case ARG_ESP_PATH: |
1019 | r = free_and_strdup(&arg_esp_path, optarg); | |
1020 | if (r < 0) | |
1021 | return log_oom(); | |
1022 | break; | |
1023 | ||
1024 | case ARG_BOOT_PATH: | |
1025 | r = free_and_strdup(&arg_xbootldr_path, optarg); | |
2f2c539c LP |
1026 | if (r < 0) |
1027 | return log_oom(); | |
0974a682 KS |
1028 | break; |
1029 | ||
30b50477 | 1030 | case 'p': |
fbf45d22 LP |
1031 | arg_print_esp_path = true; |
1032 | break; | |
1033 | ||
1034 | case ARG_PRINT_BOOT_PATH: | |
1035 | arg_print_dollar_boot_path = true; | |
30b50477 ZJS |
1036 | break; |
1037 | ||
0974a682 KS |
1038 | case ARG_NO_VARIABLES: |
1039 | arg_touch_variables = false; | |
1040 | break; | |
1041 | ||
57db6f18 | 1042 | case ARG_NO_PAGER: |
0221d68a | 1043 | arg_pager_flags |= PAGER_DISABLE; |
57db6f18 LP |
1044 | break; |
1045 | ||
0974a682 KS |
1046 | case '?': |
1047 | return -EINVAL; | |
1048 | ||
1049 | default: | |
d3226d77 | 1050 | assert_not_reached("Unknown option"); |
7b4d7cc0 | 1051 | } |
7b4d7cc0 | 1052 | |
0974a682 KS |
1053 | return 1; |
1054 | } | |
7b4d7cc0 | 1055 | |
551710cf ZJS |
1056 | static void read_loader_efi_var(const char *name, char **var) { |
1057 | int r; | |
1058 | ||
1059 | r = efi_get_variable_string(EFI_VENDOR_LOADER, name, var); | |
1060 | if (r < 0 && r != -ENOENT) | |
1061 | log_warning_errno(r, "Failed to read EFI variable %s: %m", name); | |
1062 | } | |
1063 | ||
2f2c539c | 1064 | static int verb_status(int argc, char *argv[], void *userdata) { |
fbf45d22 | 1065 | sd_id128_t esp_uuid = SD_ID128_NULL, xbootldr_uuid = SD_ID128_NULL; |
46fb255b | 1066 | int r, k; |
0974a682 | 1067 | |
fbf45d22 LP |
1068 | r = acquire_esp(geteuid() != 0, NULL, NULL, NULL, &esp_uuid); |
1069 | if (arg_print_esp_path) { | |
5caa3167 LP |
1070 | if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only |
1071 | * error the find_esp_and_warn() won't log on its own) */ | |
fbf45d22 | 1072 | return log_error_errno(r, "Failed to determine ESP location: %m"); |
30b50477 ZJS |
1073 | if (r < 0) |
1074 | return r; | |
1075 | ||
fbf45d22 LP |
1076 | puts(arg_esp_path); |
1077 | } | |
1078 | ||
1079 | r = acquire_xbootldr(geteuid() != 0, &xbootldr_uuid); | |
1080 | if (arg_print_dollar_boot_path) { | |
1081 | if (r == -EACCES) | |
1082 | return log_error_errno(r, "Failed to determine XBOOTLDR location: %m"); | |
1083 | if (r < 0) | |
1084 | return r; | |
1085 | ||
1086 | puts(arg_dollar_boot_path()); | |
30b50477 | 1087 | } |
551710cf | 1088 | |
fbf45d22 LP |
1089 | if (arg_print_esp_path || arg_print_dollar_boot_path) |
1090 | return 0; | |
1091 | ||
5caa3167 LP |
1092 | r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just show what we |
1093 | * can show */ | |
1094 | ||
0221d68a | 1095 | (void) pager_open(arg_pager_flags); |
57db6f18 | 1096 | |
2f2c539c | 1097 | if (is_efi_boot()) { |
80641a81 LP |
1098 | static const struct { |
1099 | uint64_t flag; | |
1100 | const char *name; | |
1101 | } flags[] = { | |
1102 | { EFI_LOADER_FEATURE_BOOT_COUNTING, "Boot counting" }, | |
1103 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT, "Menu timeout control" }, | |
1104 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT, "One-shot menu timeout control" }, | |
1105 | { EFI_LOADER_FEATURE_ENTRY_DEFAULT, "Default entry control" }, | |
1106 | { EFI_LOADER_FEATURE_ENTRY_ONESHOT, "One-shot entry control" }, | |
1107 | }; | |
1108 | ||
81375b9b | 1109 | _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL; |
25579a43 | 1110 | sd_id128_t loader_part_uuid = SD_ID128_NULL; |
80641a81 LP |
1111 | uint64_t loader_features = 0; |
1112 | size_t i; | |
0974a682 | 1113 | |
2f2c539c LP |
1114 | read_loader_efi_var("LoaderFirmwareType", &fw_type); |
1115 | read_loader_efi_var("LoaderFirmwareInfo", &fw_info); | |
1116 | read_loader_efi_var("LoaderInfo", &loader); | |
81375b9b | 1117 | read_loader_efi_var("StubInfo", &stub); |
2f2c539c | 1118 | read_loader_efi_var("LoaderImageIdentifier", &loader_path); |
80641a81 | 1119 | (void) efi_loader_get_features(&loader_features); |
551710cf | 1120 | |
2f2c539c LP |
1121 | if (loader_path) |
1122 | efi_tilt_backslashes(loader_path); | |
1123 | ||
46fb255b ZJS |
1124 | k = efi_loader_get_device_part_uuid(&loader_part_uuid); |
1125 | if (k < 0 && k != -ENOENT) | |
1126 | r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m"); | |
2f2c539c LP |
1127 | |
1128 | printf("System:\n"); | |
ba857253 | 1129 | printf(" Firmware: %s%s (%s)%s\n", ansi_highlight(), strna(fw_type), strna(fw_info), ansi_normal()); |
33987ba0 YW |
1130 | printf(" Secure Boot: %sd\n", enable_disable(is_efi_secure_boot())); |
1131 | printf(" Setup Mode: %s\n", is_efi_secure_boot_setup_mode() ? "setup" : "user"); | |
2f2c539c LP |
1132 | printf("\n"); |
1133 | ||
7fd66f3c | 1134 | printf("Current Boot Loader:\n"); |
ba857253 | 1135 | printf(" Product: %s%s%s\n", ansi_highlight(), strna(loader), ansi_normal()); |
80641a81 LP |
1136 | |
1137 | for (i = 0; i < ELEMENTSOF(flags); i++) { | |
1138 | ||
1139 | if (i == 0) | |
1140 | printf(" Features: "); | |
1141 | else | |
1142 | printf(" "); | |
1143 | ||
1144 | if (FLAGS_SET(loader_features, flags[i].flag)) | |
9a6f746f | 1145 | printf("%s%s%s %s\n", ansi_highlight_green(), special_glyph(SPECIAL_GLYPH_CHECK_MARK), ansi_normal(), flags[i].name); |
80641a81 | 1146 | else |
9a6f746f | 1147 | printf("%s%s%s %s\n", ansi_highlight_red(), special_glyph(SPECIAL_GLYPH_CROSS_MARK), ansi_normal(), flags[i].name); |
80641a81 LP |
1148 | } |
1149 | ||
81375b9b ДГ |
1150 | if (stub) |
1151 | printf(" Stub: %s\n", stub); | |
e28973ee | 1152 | if (!sd_id128_is_null(loader_part_uuid)) |
cd2d4c7f | 1153 | 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 |
1154 | SD_ID128_FORMAT_VAL(loader_part_uuid)); |
1155 | else | |
cd2d4c7f | 1156 | printf(" ESP: n/a\n"); |
9a6f746f | 1157 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path)); |
2f2c539c LP |
1158 | printf("\n"); |
1159 | } else | |
cd2d4c7f | 1160 | printf("System:\n Not booted with EFI\n\n"); |
7b4d7cc0 | 1161 | |
fbf45d22 LP |
1162 | if (arg_esp_path) { |
1163 | k = status_binaries(arg_esp_path, esp_uuid); | |
ecec2a5d LP |
1164 | if (k < 0) |
1165 | r = k; | |
1166 | } | |
2f2c539c | 1167 | |
cd2d4c7f | 1168 | if (is_efi_boot()) { |
46fb255b ZJS |
1169 | k = status_variables(); |
1170 | if (k < 0) | |
1171 | r = k; | |
cd2d4c7f | 1172 | } |
0974a682 | 1173 | |
fbf45d22 | 1174 | if (arg_esp_path || arg_xbootldr_path) { |
81fed855 | 1175 | k = status_entries(arg_esp_path, esp_uuid, arg_xbootldr_path, xbootldr_uuid); |
ecec2a5d LP |
1176 | if (k < 0) |
1177 | r = k; | |
1178 | } | |
7e87c7d9 | 1179 | |
46fb255b | 1180 | return r; |
2f2c539c | 1181 | } |
7b4d7cc0 | 1182 | |
7e87c7d9 | 1183 | static int verb_list(int argc, char *argv[], void *userdata) { |
5caa3167 | 1184 | _cleanup_(boot_config_free) BootConfig config = {}; |
5caa3167 | 1185 | int r; |
7e87c7d9 | 1186 | |
5caa3167 LP |
1187 | /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two things: turn |
1188 | * off logging about access errors and turn off potentially privileged device probing. Here we're interested in | |
1189 | * the latter but not the former, hence request the mode, and log about EACCES. */ | |
7e87c7d9 | 1190 | |
fbf45d22 | 1191 | r = acquire_esp(geteuid() != 0, NULL, NULL, NULL, NULL); |
5caa3167 LP |
1192 | if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */ |
1193 | return log_error_errno(r, "Failed to determine ESP: %m"); | |
7e87c7d9 ZJS |
1194 | if (r < 0) |
1195 | return r; | |
1196 | ||
fbf45d22 LP |
1197 | r = acquire_xbootldr(geteuid() != 0, NULL); |
1198 | if (r == -EACCES) | |
1199 | return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m"); | |
1200 | if (r < 0) | |
1201 | return r; | |
1202 | ||
1203 | r = boot_entries_load_config(arg_esp_path, arg_xbootldr_path, &config); | |
7e87c7d9 | 1204 | if (r < 0) |
21f7a622 | 1205 | return r; |
7e87c7d9 | 1206 | |
93f14ce2 | 1207 | (void) boot_entries_augment_from_loader(&config, false); |
bd2865ca | 1208 | |
20a28174 LP |
1209 | if (config.n_entries == 0) |
1210 | log_info("No boot loader entries found."); | |
1211 | else { | |
1212 | size_t n; | |
7e87c7d9 | 1213 | |
0221d68a | 1214 | (void) pager_open(arg_pager_flags); |
57db6f18 | 1215 | |
20a28174 | 1216 | printf("Boot Loader Entries:\n"); |
7e87c7d9 | 1217 | |
20a28174 LP |
1218 | for (n = 0; n < config.n_entries; n++) { |
1219 | r = boot_entry_show(config.entries + n, n == (size_t) config.default_entry); | |
1220 | if (r < 0) | |
1221 | return r; | |
7e87c7d9 | 1222 | |
4629499e LP |
1223 | if (n+1 < config.n_entries) |
1224 | putchar('\n'); | |
7e87c7d9 | 1225 | } |
cd2d4c7f | 1226 | } |
0974a682 | 1227 | |
7e87c7d9 | 1228 | return 0; |
2f2c539c | 1229 | } |
7b4d7cc0 | 1230 | |
fbf45d22 LP |
1231 | static int sync_everything(void) { |
1232 | int ret = 0, k; | |
e0e8d177 | 1233 | |
fbf45d22 LP |
1234 | if (arg_esp_path) { |
1235 | k = syncfs_path(AT_FDCWD, arg_esp_path); | |
1236 | if (k < 0) | |
1237 | ret = log_error_errno(k, "Failed to synchronize the ESP '%s': %m", arg_esp_path); | |
1238 | } | |
e0e8d177 | 1239 | |
fbf45d22 LP |
1240 | if (arg_xbootldr_path) { |
1241 | k = syncfs_path(AT_FDCWD, arg_xbootldr_path); | |
1242 | if (k < 0) | |
1243 | ret = log_error_errno(k, "Failed to synchronize $BOOT '%s': %m", arg_xbootldr_path); | |
1244 | } | |
e0e8d177 | 1245 | |
fbf45d22 | 1246 | return ret; |
e0e8d177 LP |
1247 | } |
1248 | ||
2f2c539c | 1249 | static int verb_install(int argc, char *argv[], void *userdata) { |
2f2c539c LP |
1250 | sd_id128_t uuid = SD_ID128_NULL; |
1251 | uint64_t pstart = 0, psize = 0; | |
1252 | uint32_t part = 0; | |
341890de | 1253 | sd_id128_t machine_id; |
2f2c539c LP |
1254 | bool install; |
1255 | int r; | |
1256 | ||
5caa3167 | 1257 | r = acquire_esp(false, &part, &pstart, &psize, &uuid); |
2f2c539c LP |
1258 | if (r < 0) |
1259 | return r; | |
1260 | ||
fbf45d22 LP |
1261 | r = acquire_xbootldr(false, NULL); |
1262 | if (r < 0) | |
1263 | return r; | |
1264 | ||
341890de ZJS |
1265 | r = sd_id128_get_machine(&machine_id); |
1266 | if (r < 0) | |
1267 | return log_error_errno(r, "Failed to get machine id: %m"); | |
1268 | ||
2f2c539c LP |
1269 | install = streq(argv[0], "install"); |
1270 | ||
1271 | RUN_WITH_UMASK(0002) { | |
fbf45d22 LP |
1272 | if (install) { |
1273 | /* Don't create any of these directories when we are just updating. When we update | |
1274 | * we'll drop-in our files (unless there are newer ones already), but we won't create | |
1275 | * the directories for them in the first place. */ | |
1276 | r = create_esp_subdirs(arg_esp_path); | |
1277 | if (r < 0) | |
1278 | return r; | |
1279 | } | |
1280 | ||
1281 | r = install_binaries(arg_esp_path, install); | |
0974a682 | 1282 | if (r < 0) |
d3226d77 | 1283 | return r; |
0974a682 | 1284 | |
2f2c539c | 1285 | if (install) { |
341890de | 1286 | r = install_loader_config(arg_esp_path, machine_id); |
fbf45d22 LP |
1287 | if (r < 0) |
1288 | return r; | |
1289 | ||
341890de | 1290 | r = install_entries_directories(arg_dollar_boot_path(), machine_id); |
d3226d77 ZJS |
1291 | if (r < 0) |
1292 | return r; | |
1293 | } | |
2f2c539c | 1294 | } |
0974a682 | 1295 | |
fbf45d22 | 1296 | (void) sync_everything(); |
e0e8d177 | 1297 | |
2f2c539c | 1298 | if (arg_touch_variables) |
fbf45d22 | 1299 | r = install_variables(arg_esp_path, |
2f2c539c LP |
1300 | part, pstart, psize, uuid, |
1301 | "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", | |
1302 | install); | |
7b4d7cc0 | 1303 | |
2f2c539c LP |
1304 | return r; |
1305 | } | |
0974a682 | 1306 | |
2f2c539c LP |
1307 | static int verb_remove(int argc, char *argv[], void *userdata) { |
1308 | sd_id128_t uuid = SD_ID128_NULL; | |
fbf45d22 | 1309 | int r, q; |
0974a682 | 1310 | |
5caa3167 | 1311 | r = acquire_esp(false, NULL, NULL, NULL, &uuid); |
2f2c539c LP |
1312 | if (r < 0) |
1313 | return r; | |
1314 | ||
fbf45d22 LP |
1315 | r = acquire_xbootldr(false, NULL); |
1316 | if (r < 0) | |
1317 | return r; | |
2f2c539c | 1318 | |
fbf45d22 | 1319 | r = remove_binaries(arg_esp_path); |
e0e8d177 | 1320 | |
fbf45d22 LP |
1321 | q = remove_loader_config(arg_esp_path); |
1322 | if (q < 0 && r >= 0) | |
1323 | r = q; | |
1324 | ||
1325 | q = remove_entries_directory(arg_dollar_boot_path()); | |
1326 | if (q < 0 && r >= 0) | |
1327 | r = q; | |
2f2c539c | 1328 | |
fbf45d22 LP |
1329 | q = remove_esp_subdirs(arg_esp_path); |
1330 | if (q < 0 && r >= 0) | |
1331 | r = q; | |
1332 | ||
1333 | (void) sync_everything(); | |
1334 | ||
1335 | if (arg_touch_variables) { | |
2f2c539c | 1336 | q = remove_variables(uuid, "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", true); |
fbf45d22 | 1337 | if (q < 0 && r >= 0) |
2f2c539c | 1338 | r = q; |
7b4d7cc0 KS |
1339 | } |
1340 | ||
d3226d77 | 1341 | return r; |
7b4d7cc0 KS |
1342 | } |
1343 | ||
d88c96ff LP |
1344 | static int verb_set_default(int argc, char *argv[], void *userdata) { |
1345 | const char *name; | |
1346 | int r; | |
1347 | ||
baaa35ad ZJS |
1348 | if (!is_efi_boot()) |
1349 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1350 | "Not booted with UEFI."); | |
d88c96ff LP |
1351 | |
1352 | if (access("/sys/firmware/efi/efivars/LoaderInfo-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f", F_OK) < 0) { | |
1353 | if (errno == ENOENT) { | |
1354 | log_error_errno(errno, "Not booted with a supported boot loader."); | |
1355 | return -EOPNOTSUPP; | |
1356 | } | |
1357 | ||
1358 | return log_error_errno(errno, "Failed to detect whether boot loader supports '%s' operation: %m", argv[0]); | |
1359 | } | |
1360 | ||
baaa35ad ZJS |
1361 | if (detect_container() > 0) |
1362 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1363 | "'%s' operation not supported in a container.", | |
1364 | argv[0]); | |
d88c96ff | 1365 | |
baaa35ad ZJS |
1366 | if (!arg_touch_variables) |
1367 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1368 | "'%s' operation cannot be combined with --touch-variables=no.", | |
1369 | argv[0]); | |
d88c96ff LP |
1370 | |
1371 | name = streq(argv[0], "set-default") ? "LoaderEntryDefault" : "LoaderEntryOneShot"; | |
1372 | ||
1373 | if (isempty(argv[1])) { | |
1374 | r = efi_set_variable(EFI_VENDOR_LOADER, name, NULL, 0); | |
1375 | if (r < 0 && r != -ENOENT) | |
1376 | return log_error_errno(r, "Failed to remove EFI variale: %m"); | |
1377 | } else { | |
1378 | _cleanup_free_ char16_t *encoded = NULL; | |
1379 | ||
1380 | encoded = utf8_to_utf16(argv[1], strlen(argv[1])); | |
1381 | if (!encoded) | |
1382 | return log_oom(); | |
1383 | ||
1384 | r = efi_set_variable(EFI_VENDOR_LOADER, name, encoded, char16_strlen(encoded) * 2 + 2); | |
1385 | if (r < 0) | |
1386 | return log_error_errno(r, "Failed to update EFI variable: %m"); | |
1387 | } | |
1388 | ||
1389 | return 0; | |
1390 | } | |
1391 | ||
2f2c539c LP |
1392 | static int bootctl_main(int argc, char *argv[]) { |
1393 | ||
1394 | static const Verb verbs[] = { | |
d88c96ff LP |
1395 | { "help", VERB_ANY, VERB_ANY, 0, help }, |
1396 | { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status }, | |
1397 | { "install", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_install }, | |
1398 | { "update", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_install }, | |
1399 | { "remove", VERB_ANY, 1, VERB_MUST_BE_ROOT, verb_remove }, | |
1400 | { "list", VERB_ANY, 1, 0, verb_list }, | |
1401 | { "set-default", 2, 2, VERB_MUST_BE_ROOT, verb_set_default }, | |
1402 | { "set-oneshot", 2, 2, VERB_MUST_BE_ROOT, verb_set_default }, | |
2f2c539c LP |
1403 | {} |
1404 | }; | |
1405 | ||
1406 | return dispatch_verb(argc, argv, verbs, NULL); | |
1407 | } | |
1408 | ||
608f8ec9 | 1409 | static int run(int argc, char *argv[]) { |
601185b4 | 1410 | int r; |
7b4d7cc0 KS |
1411 | |
1412 | log_parse_environment(); | |
1413 | log_open(); | |
1414 | ||
341890de | 1415 | /* If we run in a container, automatically turn off EFI file system access */ |
2f2c539c LP |
1416 | if (detect_container() > 0) |
1417 | arg_touch_variables = false; | |
1418 | ||
7b4d7cc0 | 1419 | r = parse_argv(argc, argv); |
601185b4 | 1420 | if (r <= 0) |
608f8ec9 | 1421 | return r; |
57db6f18 | 1422 | |
608f8ec9 | 1423 | return bootctl_main(argc, argv); |
7b4d7cc0 | 1424 | } |
608f8ec9 YW |
1425 | |
1426 | DEFINE_MAIN_FUNCTION(run); |