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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
7b4d7cc0 | 2 | |
0974a682 | 3 | #include <ctype.h> |
3f6fd1ba | 4 | #include <errno.h> |
0974a682 | 5 | #include <ftw.h> |
3f6fd1ba LP |
6 | #include <getopt.h> |
7 | #include <limits.h> | |
5fa6c13c | 8 | #include <linux/magic.h> |
0974a682 | 9 | #include <stdbool.h> |
3f6fd1ba | 10 | #include <stdlib.h> |
3f6fd1ba | 11 | #include <sys/mman.h> |
3f6fd1ba | 12 | #include <unistd.h> |
7b4d7cc0 | 13 | |
dccca82b LP |
14 | #include "sd-id128.h" |
15 | ||
b5efdb8a | 16 | #include "alloc-util.h" |
3f6fd1ba | 17 | #include "blkid-util.h" |
7e87c7d9 | 18 | #include "bootspec.h" |
175d308c | 19 | #include "copy.h" |
e41256dc | 20 | #include "dirent-util.h" |
0bb2f0f1 | 21 | #include "efi-loader.h" |
0974a682 | 22 | #include "efivars.h" |
e44c3229 | 23 | #include "env-util.h" |
9dae4c8a | 24 | #include "escape.h" |
3ffd4af2 | 25 | #include "fd-util.h" |
0d39fa9c | 26 | #include "fileio.h" |
175d308c | 27 | #include "fs-util.h" |
8752c575 | 28 | #include "locale-util.h" |
608f8ec9 | 29 | #include "main-func.h" |
a4a55e9a | 30 | #include "mkdir.h" |
57db6f18 | 31 | #include "pager.h" |
6a3fff75 | 32 | #include "parse-argument.h" |
2f2c539c | 33 | #include "parse-util.h" |
294bf0c3 | 34 | #include "pretty-print.h" |
e44c3229 | 35 | #include "random-util.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; |
351de38e | 55 | static bool arg_graceful = false; |
6a3fff75 | 56 | static int arg_make_machine_id_directory = -1; |
25579a43 | 57 | |
fbf45d22 LP |
58 | STATIC_DESTRUCTOR_REGISTER(arg_esp_path, freep); |
59 | STATIC_DESTRUCTOR_REGISTER(arg_xbootldr_path, freep); | |
60 | ||
61 | static const char *arg_dollar_boot_path(void) { | |
62 | /* $BOOT shall be the XBOOTLDR partition if it exists, and otherwise the ESP */ | |
63 | return arg_xbootldr_path ?: arg_esp_path; | |
64 | } | |
608f8ec9 | 65 | |
5caa3167 LP |
66 | static int acquire_esp( |
67 | bool unprivileged_mode, | |
e5a8b4b5 | 68 | bool graceful, |
5caa3167 LP |
69 | uint32_t *ret_part, |
70 | uint64_t *ret_pstart, | |
71 | uint64_t *ret_psize, | |
72 | sd_id128_t *ret_uuid) { | |
73 | ||
74 | char *np; | |
2f2c539c LP |
75 | int r; |
76 | ||
fbf45d22 LP |
77 | /* Find the ESP, and log about errors. Note that find_esp_and_warn() will log in all error cases on |
78 | * its own, except for ENOKEY (which is good, we want to show our own message in that case, | |
79 | * suggesting use of --esp-path=) and EACCESS (only when we request unprivileged mode; in this case | |
80 | * we simply eat up the error here, so that --list and --status work too, without noise about | |
81 | * this). */ | |
5caa3167 | 82 | |
fbf45d22 | 83 | r = find_esp_and_warn(arg_esp_path, unprivileged_mode, &np, ret_part, ret_pstart, ret_psize, ret_uuid); |
e5a8b4b5 LP |
84 | if (r == -ENOKEY) { |
85 | if (graceful) | |
86 | return log_info_errno(r, "Couldn't find EFI system partition, skipping."); | |
87 | ||
af918182 | 88 | return log_error_errno(r, |
5caa3167 | 89 | "Couldn't find EFI system partition. It is recommended to mount it to /boot or /efi.\n" |
fbf45d22 | 90 | "Alternatively, use --esp-path= to specify path to mount point."); |
e5a8b4b5 | 91 | } |
5caa3167 LP |
92 | if (r < 0) |
93 | return r; | |
94 | ||
fbf45d22 LP |
95 | free_and_replace(arg_esp_path, np); |
96 | log_debug("Using EFI System Partition at %s.", arg_esp_path); | |
97 | ||
98 | return 1; | |
99 | } | |
0974a682 | 100 | |
fbf45d22 LP |
101 | static int acquire_xbootldr(bool unprivileged_mode, sd_id128_t *ret_uuid) { |
102 | char *np; | |
103 | int r; | |
5caa3167 | 104 | |
fbf45d22 LP |
105 | r = find_xbootldr_and_warn(arg_xbootldr_path, unprivileged_mode, &np, ret_uuid); |
106 | if (r == -ENOKEY) { | |
107 | log_debug_errno(r, "Didn't find an XBOOTLDR partition, using the ESP as $BOOT."); | |
108 | if (ret_uuid) | |
109 | *ret_uuid = SD_ID128_NULL; | |
a2ae0d49 | 110 | arg_xbootldr_path = mfree(arg_xbootldr_path); |
fbf45d22 LP |
111 | return 0; |
112 | } | |
113 | if (r < 0) | |
114 | return r; | |
115 | ||
116 | free_and_replace(arg_xbootldr_path, np); | |
117 | log_debug("Using XBOOTLDR partition at %s as $BOOT.", arg_xbootldr_path); | |
118 | ||
119 | return 1; | |
7b4d7cc0 KS |
120 | } |
121 | ||
6a3fff75 | 122 | static void settle_make_machine_id_directory(void) { |
123 | int r; | |
124 | ||
125 | if (arg_make_machine_id_directory >= 0) | |
126 | return; | |
127 | ||
128 | r = path_is_temporary_fs("/etc/machine-id"); | |
129 | if (r < 0) | |
130 | log_debug_errno(r, "Couldn't determine whether /etc/machine-id is on a temporary file system, assuming so."); | |
131 | ||
132 | arg_make_machine_id_directory = r == 0; | |
133 | } | |
134 | ||
e7dd673d | 135 | /* search for "#### LoaderInfo: systemd-boot 218 ####" string inside the binary */ |
d3226d77 | 136 | static int get_file_version(int fd, char **v) { |
0974a682 KS |
137 | struct stat st; |
138 | char *buf; | |
139 | const char *s, *e; | |
140 | char *x = NULL; | |
c53aafb7 | 141 | int r; |
7b4d7cc0 | 142 | |
d3226d77 | 143 | assert(fd >= 0); |
0974a682 | 144 | assert(v); |
7b4d7cc0 | 145 | |
d3226d77 | 146 | if (fstat(fd, &st) < 0) |
db6d9fae | 147 | return log_error_errno(errno, "Failed to stat EFI binary: %m"); |
7b4d7cc0 | 148 | |
c4ba5b51 LP |
149 | r = stat_verify_regular(&st); |
150 | if (r < 0) | |
d90f2add | 151 | return log_error_errno(r, "EFI binary is not a regular file: %m"); |
c4ba5b51 | 152 | |
db6d9fae LP |
153 | if (st.st_size < 27) { |
154 | *v = NULL; | |
0974a682 | 155 | return 0; |
db6d9fae | 156 | } |
eb9da376 | 157 | |
d3226d77 | 158 | buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); |
0974a682 | 159 | if (buf == MAP_FAILED) |
db6d9fae | 160 | return log_error_errno(errno, "Failed to memory map EFI binary: %m"); |
7b4d7cc0 | 161 | |
0974a682 KS |
162 | s = memmem(buf, st.st_size - 8, "#### LoaderInfo: ", 17); |
163 | if (!s) | |
164 | goto finish; | |
165 | s += 17; | |
7b4d7cc0 | 166 | |
0974a682 KS |
167 | e = memmem(s, st.st_size - (s - buf), " ####", 5); |
168 | if (!e || e - s < 3) { | |
78d5d4ed | 169 | r = log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Malformed version string."); |
0974a682 KS |
170 | goto finish; |
171 | } | |
7b4d7cc0 | 172 | |
0974a682 KS |
173 | x = strndup(s, e - s); |
174 | if (!x) { | |
d3226d77 | 175 | r = log_oom(); |
0974a682 KS |
176 | goto finish; |
177 | } | |
178 | r = 1; | |
7b4d7cc0 | 179 | |
0974a682 | 180 | finish: |
db6d9fae | 181 | (void) munmap(buf, st.st_size); |
0974a682 KS |
182 | *v = x; |
183 | return r; | |
184 | } | |
7b4d7cc0 | 185 | |
0974a682 | 186 | static int enumerate_binaries(const char *esp_path, const char *path, const char *prefix) { |
d3226d77 | 187 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 | 188 | struct dirent *de; |
270384b2 | 189 | const char *p; |
fbf45d22 | 190 | int c = 0, r; |
fbf45d22 LP |
191 | |
192 | assert(esp_path); | |
193 | assert(path); | |
0974a682 | 194 | |
270384b2 | 195 | p = prefix_roota(esp_path, path); |
0974a682 KS |
196 | d = opendir(p); |
197 | if (!d) { | |
d3226d77 ZJS |
198 | if (errno == ENOENT) |
199 | return 0; | |
7b4d7cc0 | 200 | |
d3226d77 | 201 | return log_error_errno(errno, "Failed to read \"%s\": %m", p); |
0974a682 KS |
202 | } |
203 | ||
e41256dc | 204 | FOREACH_DIRENT(de, d, break) { |
d3226d77 | 205 | _cleanup_free_ char *v = NULL; |
fbf45d22 | 206 | _cleanup_close_ int fd = -1; |
0974a682 | 207 | |
d3226d77 | 208 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
209 | continue; |
210 | ||
d3226d77 | 211 | if (prefix && !startswith_no_case(de->d_name, prefix)) |
0974a682 KS |
212 | continue; |
213 | ||
d3226d77 ZJS |
214 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
215 | if (fd < 0) | |
216 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); | |
0974a682 | 217 | |
d3226d77 | 218 | r = get_file_version(fd, &v); |
0974a682 | 219 | if (r < 0) |
d3226d77 | 220 | return r; |
0974a682 | 221 | if (r > 0) |
9a6f746f | 222 | 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 | 223 | else |
9a6f746f | 224 | printf(" File: %s/%s/%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path, de->d_name); |
fbf45d22 | 225 | |
0974a682 | 226 | c++; |
0974a682 KS |
227 | } |
228 | ||
d3226d77 | 229 | return c; |
7b4d7cc0 KS |
230 | } |
231 | ||
0974a682 KS |
232 | static int status_binaries(const char *esp_path, sd_id128_t partition) { |
233 | int r; | |
234 | ||
7fd66f3c | 235 | printf("Available Boot Loaders on ESP:\n"); |
0974a682 | 236 | |
cd2d4c7f YW |
237 | if (!esp_path) { |
238 | printf(" ESP: Cannot find or access mount point of ESP.\n\n"); | |
239 | return -ENOENT; | |
240 | } | |
241 | ||
242 | printf(" ESP: %s", esp_path); | |
243 | if (!sd_id128_is_null(partition)) | |
bd44566c | 244 | printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", SD_ID128_FORMAT_VAL(partition)); |
cd2d4c7f | 245 | printf("\n"); |
0974a682 KS |
246 | |
247 | r = enumerate_binaries(esp_path, "EFI/systemd", NULL); | |
fbf45d22 | 248 | if (r < 0) |
882b3bd6 | 249 | goto finish; |
0974a682 | 250 | if (r == 0) |
48184e43 | 251 | log_info("systemd-boot not installed in ESP."); |
0974a682 | 252 | |
00f69504 | 253 | r = enumerate_binaries(esp_path, "EFI/BOOT", "boot"); |
fbf45d22 | 254 | if (r < 0) |
882b3bd6 | 255 | goto finish; |
0974a682 | 256 | if (r == 0) |
48184e43 | 257 | log_info("No default/fallback boot loader installed in ESP."); |
0974a682 | 258 | |
882b3bd6 | 259 | r = 0; |
c11ae0ba | 260 | |
882b3bd6 LP |
261 | finish: |
262 | printf("\n"); | |
263 | return r; | |
0974a682 KS |
264 | } |
265 | ||
266 | static int print_efi_option(uint16_t id, bool in_order) { | |
7cb0f263 TA |
267 | _cleanup_free_ char *title = NULL; |
268 | _cleanup_free_ char *path = NULL; | |
0974a682 KS |
269 | sd_id128_t partition; |
270 | bool active; | |
c53aafb7 | 271 | int r; |
0974a682 KS |
272 | |
273 | r = efi_get_boot_option(id, &title, &partition, &path, &active); | |
274 | if (r < 0) | |
7cb0f263 | 275 | return r; |
7b4d7cc0 | 276 | |
0974a682 | 277 | /* print only configured entries with partition information */ |
3bbaff3e | 278 | if (!path || sd_id128_is_null(partition)) |
0974a682 KS |
279 | return 0; |
280 | ||
281 | efi_tilt_backslashes(path); | |
282 | ||
ba857253 | 283 | printf(" Title: %s%s%s\n", ansi_highlight(), strna(title), ansi_normal()); |
0974a682 KS |
284 | printf(" ID: 0x%04X\n", id); |
285 | printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : ""); | |
bd44566c ZJS |
286 | printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", |
287 | SD_ID128_FORMAT_VAL(partition)); | |
9a6f746f | 288 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path); |
0974a682 KS |
289 | printf("\n"); |
290 | ||
7cb0f263 | 291 | return 0; |
0974a682 KS |
292 | } |
293 | ||
294 | static int status_variables(void) { | |
d3226d77 | 295 | _cleanup_free_ uint16_t *options = NULL, *order = NULL; |
c67bd42b | 296 | int n_options, n_order; |
0974a682 | 297 | |
0974a682 | 298 | n_options = efi_get_boot_options(&options); |
d3226d77 | 299 | if (n_options == -ENOENT) |
f939cff7 LP |
300 | return log_error_errno(n_options, |
301 | "Failed to access EFI variables, efivarfs" | |
d3226d77 | 302 | " needs to be available at /sys/firmware/efi/efivars/."); |
f939cff7 | 303 | if (n_options < 0) |
d3226d77 | 304 | return log_error_errno(n_options, "Failed to read EFI boot entries: %m"); |
0974a682 | 305 | |
0974a682 | 306 | n_order = efi_get_boot_order(&order); |
d3226d77 | 307 | if (n_order == -ENOENT) |
0974a682 | 308 | n_order = 0; |
d3226d77 | 309 | else if (n_order < 0) |
7709ef3a | 310 | return log_error_errno(n_order, "Failed to read EFI boot order: %m"); |
0974a682 KS |
311 | |
312 | /* print entries in BootOrder first */ | |
7fd66f3c | 313 | printf("Boot Loaders Listed in EFI Variables:\n"); |
c67bd42b | 314 | for (int i = 0; i < n_order; i++) |
0974a682 KS |
315 | print_efi_option(order[i], true); |
316 | ||
317 | /* print remaining entries */ | |
c67bd42b ZJS |
318 | for (int i = 0; i < n_options; i++) { |
319 | for (int j = 0; j < n_order; j++) | |
d3226d77 | 320 | if (options[i] == order[j]) |
a908cf0a | 321 | goto next_option; |
0974a682 KS |
322 | |
323 | print_efi_option(options[i], false); | |
a908cf0a MM |
324 | |
325 | next_option: | |
326 | continue; | |
0974a682 KS |
327 | } |
328 | ||
d3226d77 | 329 | return 0; |
0974a682 KS |
330 | } |
331 | ||
44e6a5ef | 332 | static int boot_entry_file_check(const char *root, const char *p) { |
c2b2df60 | 333 | _cleanup_free_ char *path = NULL; |
44e6a5ef ZJS |
334 | |
335 | path = path_join(root, p); | |
336 | if (!path) | |
337 | return log_oom(); | |
338 | ||
339 | if (access(path, F_OK) < 0) | |
340 | return -errno; | |
341 | ||
342 | return 0; | |
343 | } | |
344 | ||
d3eb6072 | 345 | static void boot_entry_file_list(const char *field, const char *root, const char *p, int *ret_status) { |
44e6a5ef ZJS |
346 | int status = boot_entry_file_check(root, p); |
347 | ||
405b104d | 348 | printf("%13s%s ", strempty(field), field ? ":" : " "); |
44e6a5ef ZJS |
349 | if (status < 0) { |
350 | errno = -status; | |
351 | printf("%s%s%s (%m)\n", ansi_highlight_red(), p, ansi_normal()); | |
352 | } else | |
353 | printf("%s\n", p); | |
d3eb6072 ZJS |
354 | |
355 | if (*ret_status == 0 && status < 0) | |
356 | *ret_status = status; | |
44e6a5ef ZJS |
357 | } |
358 | ||
20a28174 | 359 | static int boot_entry_show(const BootEntry *e, bool show_as_default) { |
d3eb6072 ZJS |
360 | int status = 0; |
361 | ||
362 | /* Returns 0 on success, negative on processing error, and positive if something is wrong with the | |
363 | boot entry itself. */ | |
364 | ||
20a28174 LP |
365 | assert(e); |
366 | ||
ce4c4f81 ZJS |
367 | printf(" title: %s%s%s" "%s%s%s\n", |
368 | ansi_highlight(), boot_entry_title(e), ansi_normal(), | |
369 | ansi_highlight_green(), show_as_default ? " (default)" : "", ansi_normal()); | |
20a28174 LP |
370 | |
371 | if (e->id) | |
372 | printf(" id: %s\n", e->id); | |
cce9457c ZJS |
373 | if (e->path) { |
374 | _cleanup_free_ char *link = NULL; | |
375 | ||
376 | /* Let's urlify the link to make it easy to view in an editor, but only if it is a text | |
377 | * file. Unified images are binary ELFs, and EFI variables are not pure text either. */ | |
378 | if (e->type == BOOT_ENTRY_CONF) | |
379 | (void) terminal_urlify_path(e->path, NULL, &link); | |
380 | ||
381 | printf(" source: %s\n", link ?: e->path); | |
382 | } | |
20a28174 LP |
383 | if (e->version) |
384 | printf(" version: %s\n", e->version); | |
385 | if (e->machine_id) | |
386 | printf(" machine-id: %s\n", e->machine_id); | |
387 | if (e->architecture) | |
388 | printf(" architecture: %s\n", e->architecture); | |
389 | if (e->kernel) | |
d3eb6072 | 390 | boot_entry_file_list("linux", e->root, e->kernel, &status); |
20a28174 | 391 | |
44e6a5ef ZJS |
392 | char **s; |
393 | STRV_FOREACH(s, e->initrd) | |
394 | boot_entry_file_list(s == e->initrd ? "initrd" : NULL, | |
395 | e->root, | |
d3eb6072 ZJS |
396 | *s, |
397 | &status); | |
20a28174 | 398 | if (!strv_isempty(e->options)) { |
9dae4c8a ZJS |
399 | _cleanup_free_ char *t = NULL, *t2 = NULL; |
400 | _cleanup_strv_free_ char **ts = NULL; | |
20a28174 LP |
401 | |
402 | t = strv_join(e->options, " "); | |
403 | if (!t) | |
404 | return log_oom(); | |
405 | ||
9dae4c8a ZJS |
406 | ts = strv_split_newlines(t); |
407 | if (!ts) | |
408 | return log_oom(); | |
409 | ||
410 | t2 = strv_join(ts, "\n "); | |
411 | if (!t2) | |
412 | return log_oom(); | |
413 | ||
9dae4c8a | 414 | printf(" options: %s\n", t2); |
20a28174 LP |
415 | } |
416 | if (e->device_tree) | |
d3eb6072 | 417 | boot_entry_file_list("devicetree", e->root, e->device_tree, &status); |
20a28174 | 418 | |
d3eb6072 | 419 | return -status; |
20a28174 LP |
420 | } |
421 | ||
81fed855 LP |
422 | static int status_entries( |
423 | const char *esp_path, | |
424 | sd_id128_t esp_partition_uuid, | |
425 | const char *xbootldr_path, | |
426 | sd_id128_t xbootldr_partition_uuid) { | |
427 | ||
7e87c7d9 | 428 | _cleanup_(boot_config_free) BootConfig config = {}; |
81fed855 LP |
429 | sd_id128_t dollar_boot_partition_uuid; |
430 | const char *dollar_boot_path; | |
a099e035 | 431 | int r; |
7e87c7d9 | 432 | |
81fed855 LP |
433 | assert(esp_path || xbootldr_path); |
434 | ||
435 | if (xbootldr_path) { | |
436 | dollar_boot_path = xbootldr_path; | |
437 | dollar_boot_partition_uuid = xbootldr_partition_uuid; | |
438 | } else { | |
439 | dollar_boot_path = esp_path; | |
440 | dollar_boot_partition_uuid = esp_partition_uuid; | |
441 | } | |
442 | ||
443 | printf("Boot Loader Entries:\n" | |
444 | " $BOOT: %s", dollar_boot_path); | |
445 | if (!sd_id128_is_null(dollar_boot_partition_uuid)) | |
bd44566c ZJS |
446 | printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", |
447 | SD_ID128_FORMAT_VAL(dollar_boot_partition_uuid)); | |
81fed855 LP |
448 | printf("\n\n"); |
449 | ||
fbf45d22 | 450 | r = boot_entries_load_config(esp_path, xbootldr_path, &config); |
7e87c7d9 | 451 | if (r < 0) |
21f7a622 | 452 | return r; |
7e87c7d9 ZJS |
453 | |
454 | if (config.default_entry < 0) | |
a099e035 | 455 | printf("%zu entries, no entry could be determined as default.\n", config.n_entries); |
7e87c7d9 | 456 | else { |
7fd66f3c | 457 | printf("Default Boot Loader Entry:\n"); |
a099e035 | 458 | |
d3eb6072 ZJS |
459 | r = boot_entry_show(config.entries + config.default_entry, false); |
460 | if (r > 0) | |
461 | /* < 0 is already logged by the function itself, let's just emit an extra warning if | |
462 | the default entry is broken */ | |
463 | printf("\nWARNING: default boot entry is broken\n"); | |
7e87c7d9 ZJS |
464 | } |
465 | ||
466 | return 0; | |
467 | } | |
468 | ||
0974a682 KS |
469 | static int compare_product(const char *a, const char *b) { |
470 | size_t x, y; | |
471 | ||
472 | assert(a); | |
473 | assert(b); | |
474 | ||
475 | x = strcspn(a, " "); | |
476 | y = strcspn(b, " "); | |
477 | if (x != y) | |
478 | return x < y ? -1 : x > y ? 1 : 0; | |
479 | ||
480 | return strncmp(a, b, x); | |
481 | } | |
482 | ||
483 | static int compare_version(const char *a, const char *b) { | |
484 | assert(a); | |
485 | assert(b); | |
486 | ||
487 | a += strcspn(a, " "); | |
488 | a += strspn(a, " "); | |
489 | b += strcspn(b, " "); | |
490 | b += strspn(b, " "); | |
491 | ||
8087644a | 492 | return strverscmp_improved(a, b); |
0974a682 KS |
493 | } |
494 | ||
175d308c | 495 | static int version_check(int fd_from, const char *from, int fd_to, const char *to) { |
d3226d77 | 496 | _cleanup_free_ char *a = NULL, *b = NULL; |
0974a682 KS |
497 | int r; |
498 | ||
175d308c | 499 | assert(fd_from >= 0); |
0974a682 | 500 | assert(from); |
175d308c | 501 | assert(fd_to >= 0); |
0974a682 KS |
502 | assert(to); |
503 | ||
175d308c | 504 | r = get_file_version(fd_from, &a); |
0974a682 | 505 | if (r < 0) |
d3226d77 | 506 | return r; |
baaa35ad | 507 | if (r == 0) |
e5a8b4b5 | 508 | return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE), |
baaa35ad ZJS |
509 | "Source file \"%s\" does not carry version information!", |
510 | from); | |
0974a682 | 511 | |
175d308c | 512 | r = get_file_version(fd_to, &b); |
0974a682 | 513 | if (r < 0) |
d3226d77 | 514 | return r; |
baaa35ad | 515 | if (r == 0 || compare_product(a, b) != 0) |
e5a8b4b5 | 516 | return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE), |
baaa35ad ZJS |
517 | "Skipping \"%s\", since it's owned by another boot loader.", |
518 | to); | |
0974a682 | 519 | |
e5a8b4b5 LP |
520 | r = compare_version(a, b); |
521 | if (r < 0) | |
522 | return log_warning_errno(SYNTHETIC_ERRNO(ESTALE), "Skipping \"%s\", since newer boot loader version in place already.", to); | |
523 | else if (r == 0) | |
524 | return log_info_errno(SYNTHETIC_ERRNO(ESTALE), "Skipping \"%s\", since same boot loader version in place already.", to); | |
0974a682 | 525 | |
d3226d77 | 526 | return 0; |
0974a682 KS |
527 | } |
528 | ||
175d308c LP |
529 | static int copy_file_with_version_check(const char *from, const char *to, bool force) { |
530 | _cleanup_close_ int fd_from = -1, fd_to = -1; | |
531 | _cleanup_free_ char *t = NULL; | |
0974a682 | 532 | int r; |
0974a682 | 533 | |
175d308c LP |
534 | fd_from = open(from, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
535 | if (fd_from < 0) | |
d3226d77 | 536 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", from); |
0974a682 KS |
537 | |
538 | if (!force) { | |
175d308c LP |
539 | fd_to = open(to, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
540 | if (fd_to < 0) { | |
6b8664cb | 541 | if (errno != ENOENT) |
175d308c LP |
542 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", to); |
543 | } else { | |
544 | r = version_check(fd_from, from, fd_to, to); | |
545 | if (r < 0) | |
546 | return r; | |
547 | ||
548 | if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1) | |
6719ca72 | 549 | return log_error_errno(errno, "Failed to seek in \"%s\": %m", from); |
175d308c LP |
550 | |
551 | fd_to = safe_close(fd_to); | |
0974a682 | 552 | } |
175d308c | 553 | } |
d3226d77 | 554 | |
175d308c LP |
555 | r = tempfn_random(to, NULL, &t); |
556 | if (r < 0) | |
557 | return log_oom(); | |
0974a682 | 558 | |
175d308c LP |
559 | RUN_WITH_UMASK(0000) { |
560 | fd_to = open(t, O_WRONLY|O_CREAT|O_CLOEXEC|O_EXCL|O_NOFOLLOW, 0644); | |
561 | if (fd_to < 0) | |
562 | return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", t); | |
0974a682 KS |
563 | } |
564 | ||
f5fbe71d | 565 | r = copy_bytes(fd_from, fd_to, UINT64_MAX, COPY_REFLINK); |
0974a682 | 566 | if (r < 0) { |
0675e94a AJ |
567 | (void) unlink(t); |
568 | return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
0974a682 KS |
569 | } |
570 | ||
adc6f43b | 571 | (void) copy_times(fd_from, fd_to, 0); |
0974a682 | 572 | |
8ac2f74f | 573 | if (fsync(fd_to) < 0) { |
0675e94a AJ |
574 | (void) unlink_noerrno(t); |
575 | return log_error_errno(errno, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
576 | } | |
577 | ||
8ac2f74f LP |
578 | (void) fsync_directory_of_file(fd_to); |
579 | ||
b1c05b98 | 580 | if (renameat(AT_FDCWD, t, AT_FDCWD, to) < 0) { |
175d308c LP |
581 | (void) unlink_noerrno(t); |
582 | return log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", t, to); | |
0974a682 KS |
583 | } |
584 | ||
d3226d77 | 585 | log_info("Copied \"%s\" to \"%s\".", from, to); |
0974a682 | 586 | |
175d308c | 587 | return 0; |
0974a682 KS |
588 | } |
589 | ||
0974a682 | 590 | static int mkdir_one(const char *prefix, const char *suffix) { |
e2600fd5 | 591 | _cleanup_free_ char *p = NULL; |
0974a682 | 592 | |
e2600fd5 | 593 | p = path_join(prefix, suffix); |
0974a682 | 594 | if (mkdir(p, 0700) < 0) { |
d3226d77 ZJS |
595 | if (errno != EEXIST) |
596 | return log_error_errno(errno, "Failed to create \"%s\": %m", p); | |
0974a682 | 597 | } else |
d3226d77 | 598 | log_info("Created \"%s\".", p); |
7b4d7cc0 | 599 | |
0974a682 KS |
600 | return 0; |
601 | } | |
602 | ||
fbf45d22 | 603 | static const char *const esp_subdirs[] = { |
e44c3229 | 604 | /* The directories to place in the ESP */ |
d3226d77 ZJS |
605 | "EFI", |
606 | "EFI/systemd", | |
00f69504 | 607 | "EFI/BOOT", |
d3226d77 | 608 | "loader", |
9ee051b9 | 609 | NULL |
d3226d77 ZJS |
610 | }; |
611 | ||
e44c3229 LP |
612 | static const char *const dollar_boot_subdirs[] = { |
613 | /* The directories to place in the XBOOTLDR partition or the ESP, depending what exists */ | |
614 | "loader", | |
615 | "loader/entries", /* Type #1 entries */ | |
616 | "EFI", | |
617 | "EFI/Linux", /* Type #2 entries */ | |
618 | NULL | |
619 | }; | |
620 | ||
621 | static int create_subdirs(const char *root, const char * const *subdirs) { | |
fbf45d22 | 622 | const char *const *i; |
0974a682 KS |
623 | int r; |
624 | ||
e44c3229 LP |
625 | STRV_FOREACH(i, subdirs) { |
626 | r = mkdir_one(root, *i); | |
d3226d77 ZJS |
627 | if (r < 0) |
628 | return r; | |
629 | } | |
7b4d7cc0 | 630 | |
7b4d7cc0 | 631 | return 0; |
7b4d7cc0 KS |
632 | } |
633 | ||
0974a682 | 634 | static int copy_one_file(const char *esp_path, const char *name, bool force) { |
5509f912 | 635 | const char *e; |
d3226d77 | 636 | char *p, *q; |
0974a682 KS |
637 | int r; |
638 | ||
d3226d77 ZJS |
639 | p = strjoina(BOOTLIBDIR "/", name); |
640 | q = strjoina(esp_path, "/EFI/systemd/", name); | |
175d308c | 641 | r = copy_file_with_version_check(p, q, force); |
0974a682 | 642 | |
5509f912 LP |
643 | e = startswith(name, "systemd-boot"); |
644 | if (e) { | |
0974a682 | 645 | int k; |
d3226d77 | 646 | char *v; |
0974a682 KS |
647 | |
648 | /* Create the EFI default boot loader name (specified for removable devices) */ | |
5509f912 | 649 | v = strjoina(esp_path, "/EFI/BOOT/BOOT", e); |
846b8fc3 | 650 | ascii_strupper(strrchr(v, '/') + 1); |
0974a682 | 651 | |
175d308c | 652 | k = copy_file_with_version_check(p, v, force); |
0974a682 | 653 | if (k < 0 && r == 0) |
d3226d77 | 654 | r = k; |
0974a682 KS |
655 | } |
656 | ||
657 | return r; | |
7b4d7cc0 KS |
658 | } |
659 | ||
0974a682 KS |
660 | static int install_binaries(const char *esp_path, bool force) { |
661 | struct dirent *de; | |
d3226d77 | 662 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 KS |
663 | int r = 0; |
664 | ||
e7dd673d | 665 | d = opendir(BOOTLIBDIR); |
d3226d77 ZJS |
666 | if (!d) |
667 | return log_error_errno(errno, "Failed to open \""BOOTLIBDIR"\": %m"); | |
0974a682 | 668 | |
0d73a816 | 669 | FOREACH_DIRENT(de, d, return log_error_errno(errno, "Failed to read \""BOOTLIBDIR"\": %m")) { |
0974a682 KS |
670 | int k; |
671 | ||
d3226d77 | 672 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
673 | continue; |
674 | ||
675 | k = copy_one_file(esp_path, de->d_name, force); | |
e5a8b4b5 LP |
676 | /* Don't propagate an error code if no update necessary, installed version already equal or |
677 | * newer version, or other boot loader in place. */ | |
678 | if (arg_graceful && IN_SET(k, -ESTALE, -EREMOTE)) | |
679 | continue; | |
0974a682 KS |
680 | if (k < 0 && r == 0) |
681 | r = k; | |
682 | } | |
683 | ||
0974a682 | 684 | return r; |
7b4d7cc0 KS |
685 | } |
686 | ||
b461576d | 687 | static bool same_entry(uint16_t id, sd_id128_t uuid, const char *path) { |
d3226d77 | 688 | _cleanup_free_ char *opath = NULL; |
0974a682 | 689 | sd_id128_t ouuid; |
d3226d77 | 690 | int r; |
7b4d7cc0 | 691 | |
d3226d77 ZJS |
692 | r = efi_get_boot_option(id, NULL, &ouuid, &opath, NULL); |
693 | if (r < 0) | |
0974a682 KS |
694 | return false; |
695 | if (!sd_id128_equal(uuid, ouuid)) | |
d3226d77 | 696 | return false; |
5c2e5957 | 697 | |
698 | /* Some motherboards convert the path to uppercase under certain circumstances | |
699 | * (e.g. after booting into the Boot Menu in the ASUS ROG STRIX B350-F GAMING), | |
700 | * so use case-insensitive checking */ | |
701 | if (!strcaseeq_ptr(path, opath)) | |
d3226d77 | 702 | return false; |
0974a682 | 703 | |
d3226d77 | 704 | return true; |
0974a682 KS |
705 | } |
706 | ||
707 | static int find_slot(sd_id128_t uuid, const char *path, uint16_t *id) { | |
d3226d77 ZJS |
708 | _cleanup_free_ uint16_t *options = NULL; |
709 | int n, i; | |
0974a682 | 710 | |
d3226d77 ZJS |
711 | n = efi_get_boot_options(&options); |
712 | if (n < 0) | |
713 | return n; | |
0974a682 | 714 | |
e7dd673d | 715 | /* find already existing systemd-boot entry */ |
d3226d77 | 716 | for (i = 0; i < n; i++) |
0974a682 | 717 | if (same_entry(options[i], uuid, path)) { |
d3226d77 ZJS |
718 | *id = options[i]; |
719 | return 1; | |
0974a682 KS |
720 | } |
721 | ||
722 | /* find free slot in the sorted BootXXXX variable list */ | |
d3226d77 | 723 | for (i = 0; i < n; i++) |
0974a682 | 724 | if (i != options[i]) { |
d3226d77 ZJS |
725 | *id = i; |
726 | return 1; | |
0974a682 KS |
727 | } |
728 | ||
729 | /* use the next one */ | |
730 | if (i == 0xffff) | |
731 | return -ENOSPC; | |
d3226d77 ZJS |
732 | *id = i; |
733 | return 0; | |
0974a682 KS |
734 | } |
735 | ||
736 | static int insert_into_order(uint16_t slot, bool first) { | |
d3226d77 ZJS |
737 | _cleanup_free_ uint16_t *order = NULL; |
738 | uint16_t *t; | |
c67bd42b | 739 | int n; |
0974a682 | 740 | |
d3226d77 ZJS |
741 | n = efi_get_boot_order(&order); |
742 | if (n <= 0) | |
0974a682 | 743 | /* no entry, add us */ |
d3226d77 | 744 | return efi_set_boot_order(&slot, 1); |
0974a682 KS |
745 | |
746 | /* are we the first and only one? */ | |
d3226d77 ZJS |
747 | if (n == 1 && order[0] == slot) |
748 | return 0; | |
0974a682 KS |
749 | |
750 | /* are we already in the boot order? */ | |
c67bd42b | 751 | for (int i = 0; i < n; i++) { |
0974a682 KS |
752 | if (order[i] != slot) |
753 | continue; | |
754 | ||
755 | /* we do not require to be the first one, all is fine */ | |
756 | if (!first) | |
d3226d77 | 757 | return 0; |
0974a682 KS |
758 | |
759 | /* move us to the first slot */ | |
d3226d77 | 760 | memmove(order + 1, order, i * sizeof(uint16_t)); |
0974a682 | 761 | order[0] = slot; |
d3226d77 | 762 | return efi_set_boot_order(order, n); |
0974a682 KS |
763 | } |
764 | ||
765 | /* extend array */ | |
a7798cd8 | 766 | t = reallocarray(order, n + 1, sizeof(uint16_t)); |
d3226d77 ZJS |
767 | if (!t) |
768 | return -ENOMEM; | |
769 | order = t; | |
0974a682 KS |
770 | |
771 | /* add us to the top or end of the list */ | |
772 | if (first) { | |
d3226d77 | 773 | memmove(order + 1, order, n * sizeof(uint16_t)); |
0974a682 KS |
774 | order[0] = slot; |
775 | } else | |
d3226d77 | 776 | order[n] = slot; |
0974a682 | 777 | |
d3226d77 | 778 | return efi_set_boot_order(order, n + 1); |
0974a682 KS |
779 | } |
780 | ||
781 | static int remove_from_order(uint16_t slot) { | |
7cb0f263 | 782 | _cleanup_free_ uint16_t *order = NULL; |
c67bd42b | 783 | int n; |
0974a682 | 784 | |
d3226d77 ZJS |
785 | n = efi_get_boot_order(&order); |
786 | if (n <= 0) | |
787 | return n; | |
0974a682 | 788 | |
c67bd42b | 789 | for (int i = 0; i < n; i++) { |
0974a682 KS |
790 | if (order[i] != slot) |
791 | continue; | |
792 | ||
d3226d77 ZJS |
793 | if (i + 1 < n) |
794 | memmove(order + i, order + i+1, (n - i) * sizeof(uint16_t)); | |
795 | return efi_set_boot_order(order, n - 1); | |
0974a682 KS |
796 | } |
797 | ||
d3226d77 | 798 | return 0; |
0974a682 KS |
799 | } |
800 | ||
801 | static int install_variables(const char *esp_path, | |
802 | uint32_t part, uint64_t pstart, uint64_t psize, | |
803 | sd_id128_t uuid, const char *path, | |
804 | bool first) { | |
270384b2 | 805 | const char *p; |
0974a682 KS |
806 | uint16_t slot; |
807 | int r; | |
808 | ||
809 | if (!is_efi_boot()) { | |
d3226d77 | 810 | log_warning("Not booted with EFI, skipping EFI variable setup."); |
0974a682 KS |
811 | return 0; |
812 | } | |
813 | ||
270384b2 | 814 | p = prefix_roota(esp_path, path); |
0974a682 KS |
815 | if (access(p, F_OK) < 0) { |
816 | if (errno == ENOENT) | |
d3226d77 | 817 | return 0; |
f939cff7 LP |
818 | |
819 | return log_error_errno(errno, "Cannot access \"%s\": %m", p); | |
0974a682 | 820 | } |
7b4d7cc0 | 821 | |
0974a682 | 822 | r = find_slot(uuid, path, &slot); |
d3226d77 ZJS |
823 | if (r < 0) |
824 | return log_error_errno(r, | |
825 | r == -ENOENT ? | |
826 | "Failed to access EFI variables. Is the \"efivarfs\" filesystem mounted?" : | |
827 | "Failed to determine current boot order: %m"); | |
7b4d7cc0 | 828 | |
181ccb43 | 829 | if (first || r == 0) { |
0974a682 KS |
830 | r = efi_add_boot_option(slot, "Linux Boot Manager", |
831 | part, pstart, psize, | |
832 | uuid, path); | |
d3226d77 ZJS |
833 | if (r < 0) |
834 | return log_error_errno(r, "Failed to create EFI Boot variable entry: %m"); | |
0974a682 | 835 | |
d3226d77 ZJS |
836 | log_info("Created EFI boot entry \"Linux Boot Manager\"."); |
837 | } | |
0974a682 | 838 | |
d3226d77 | 839 | return insert_into_order(slot, first); |
0974a682 KS |
840 | } |
841 | ||
842 | static int remove_boot_efi(const char *esp_path) { | |
d3226d77 | 843 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 | 844 | struct dirent *de; |
270384b2 | 845 | const char *p; |
d3226d77 | 846 | int r, c = 0; |
0974a682 | 847 | |
270384b2 | 848 | p = prefix_roota(esp_path, "/EFI/BOOT"); |
0974a682 KS |
849 | d = opendir(p); |
850 | if (!d) { | |
d3226d77 ZJS |
851 | if (errno == ENOENT) |
852 | return 0; | |
0974a682 | 853 | |
d3226d77 | 854 | return log_error_errno(errno, "Failed to open directory \"%s\": %m", p); |
0974a682 KS |
855 | } |
856 | ||
e41256dc | 857 | FOREACH_DIRENT(de, d, break) { |
d3226d77 ZJS |
858 | _cleanup_close_ int fd = -1; |
859 | _cleanup_free_ char *v = NULL; | |
0974a682 | 860 | |
d3226d77 | 861 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
862 | continue; |
863 | ||
b7536c45 | 864 | if (!startswith_no_case(de->d_name, "boot")) |
0974a682 KS |
865 | continue; |
866 | ||
d3226d77 | 867 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
dd114e11 | 868 | if (fd < 0) |
d3226d77 | 869 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); |
0974a682 | 870 | |
d3226d77 | 871 | r = get_file_version(fd, &v); |
0974a682 | 872 | if (r < 0) |
d3226d77 ZJS |
873 | return r; |
874 | if (r > 0 && startswith(v, "systemd-boot ")) { | |
875 | r = unlinkat(dirfd(d), de->d_name, 0); | |
876 | if (r < 0) | |
877 | return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name); | |
878 | ||
a592ab6a | 879 | log_info("Removed \"%s/%s\".", p, de->d_name); |
0974a682 KS |
880 | } |
881 | ||
882 | c++; | |
0974a682 KS |
883 | } |
884 | ||
d3226d77 | 885 | return c; |
0974a682 KS |
886 | } |
887 | ||
888 | static int rmdir_one(const char *prefix, const char *suffix) { | |
270384b2 | 889 | const char *p; |
7b4d7cc0 | 890 | |
270384b2 | 891 | p = prefix_roota(prefix, suffix); |
0974a682 | 892 | if (rmdir(p) < 0) { |
fbf45d22 LP |
893 | bool ignore = IN_SET(errno, ENOENT, ENOTEMPTY); |
894 | ||
895 | log_full_errno(ignore ? LOG_DEBUG : LOG_ERR, errno, | |
896 | "Failed to remove directory \"%s\": %m", p); | |
897 | if (!ignore) | |
898 | return -errno; | |
7b4d7cc0 | 899 | } else |
d3226d77 | 900 | log_info("Removed \"%s\".", p); |
7b4d7cc0 | 901 | |
0974a682 | 902 | return 0; |
7b4d7cc0 KS |
903 | } |
904 | ||
e44c3229 LP |
905 | static int remove_subdirs(const char *root, const char *const *subdirs) { |
906 | int r, q; | |
fbf45d22 | 907 | |
e44c3229 LP |
908 | /* We use recursion here to destroy the directories in reverse order. Which should be safe given how |
909 | * short the array is. */ | |
fbf45d22 | 910 | |
e44c3229 LP |
911 | if (!subdirs[0]) /* A the end of the list */ |
912 | return 0; | |
fbf45d22 | 913 | |
e44c3229 LP |
914 | r = remove_subdirs(root, subdirs + 1); |
915 | q = rmdir_one(root, subdirs[0]); | |
916 | ||
917 | return r < 0 ? r : q; | |
918 | } | |
919 | ||
6a3fff75 | 920 | static int remove_machine_id_directory(const char *root) { |
921 | sd_id128_t machine_id; | |
922 | char buf[SD_ID128_STRING_MAX]; | |
923 | int r; | |
924 | ||
925 | assert(root); | |
926 | assert(arg_make_machine_id_directory >= 0); | |
927 | ||
928 | if (!arg_make_machine_id_directory) | |
929 | return 0; | |
930 | ||
931 | r = sd_id128_get_machine(&machine_id); | |
932 | if (r < 0) | |
933 | return log_error_errno(r, "Failed to get machine id: %m"); | |
934 | ||
935 | return rmdir_one(root, sd_id128_to_string(machine_id, buf)); | |
936 | } | |
937 | ||
0974a682 | 938 | static int remove_binaries(const char *esp_path) { |
270384b2 | 939 | const char *p; |
0974a682 KS |
940 | int r, q; |
941 | ||
270384b2 | 942 | p = prefix_roota(esp_path, "/EFI/systemd"); |
c6878637 | 943 | r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL); |
0974a682 KS |
944 | |
945 | q = remove_boot_efi(esp_path); | |
946 | if (q < 0 && r == 0) | |
947 | r = q; | |
948 | ||
0974a682 KS |
949 | return r; |
950 | } | |
951 | ||
e44c3229 | 952 | static int remove_file(const char *root, const char *file) { |
fbf45d22 LP |
953 | const char *p; |
954 | ||
e44c3229 LP |
955 | assert(root); |
956 | assert(file); | |
fbf45d22 | 957 | |
e44c3229 | 958 | p = prefix_roota(root, file); |
fbf45d22 | 959 | if (unlink(p) < 0) { |
e44c3229 LP |
960 | log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, |
961 | "Failed to unlink file \"%s\": %m", p); | |
fbf45d22 | 962 | |
e44c3229 LP |
963 | return errno == ENOENT ? 0 : -errno; |
964 | } | |
fbf45d22 | 965 | |
e44c3229 LP |
966 | log_info("Removed \"%s\".", p); |
967 | return 1; | |
fbf45d22 LP |
968 | } |
969 | ||
0974a682 KS |
970 | static int remove_variables(sd_id128_t uuid, const char *path, bool in_order) { |
971 | uint16_t slot; | |
972 | int r; | |
973 | ||
974 | if (!is_efi_boot()) | |
975 | return 0; | |
976 | ||
977 | r = find_slot(uuid, path, &slot); | |
978 | if (r != 1) | |
979 | return 0; | |
980 | ||
981 | r = efi_remove_boot_option(slot); | |
982 | if (r < 0) | |
983 | return r; | |
984 | ||
985 | if (in_order) | |
d3226d77 | 986 | return remove_from_order(slot); |
f939cff7 LP |
987 | |
988 | return 0; | |
0974a682 KS |
989 | } |
990 | ||
e44c3229 | 991 | static int remove_loader_variables(void) { |
e6f055cb | 992 | const char *variable; |
e44c3229 LP |
993 | int r = 0; |
994 | ||
995 | /* Remove all persistent loader variables we define */ | |
996 | ||
e6f055cb ZJS |
997 | FOREACH_STRING(variable, |
998 | EFI_LOADER_VARIABLE(LoaderConfigTimeout), | |
999 | EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), | |
1000 | EFI_LOADER_VARIABLE(LoaderEntryDefault), | |
1001 | EFI_LOADER_VARIABLE(LoaderEntryOneShot), | |
1002 | EFI_LOADER_VARIABLE(LoaderSystemToken)){ | |
e44c3229 LP |
1003 | |
1004 | int q; | |
1005 | ||
e6f055cb | 1006 | q = efi_set_variable(variable, NULL, 0); |
e44c3229 LP |
1007 | if (q == -ENOENT) |
1008 | continue; | |
1009 | if (q < 0) { | |
e6f055cb | 1010 | log_warning_errno(q, "Failed to remove EFI variable %s: %m", variable); |
e44c3229 LP |
1011 | if (r >= 0) |
1012 | r = q; | |
1013 | } else | |
e6f055cb | 1014 | log_info("Removed EFI variable %s.", variable); |
e44c3229 LP |
1015 | } |
1016 | ||
1017 | return r; | |
1018 | } | |
1019 | ||
31e57550 | 1020 | static int install_loader_config(const char *esp_path) { |
f5b84de2 LP |
1021 | _cleanup_(unlink_and_freep) char *t = NULL; |
1022 | _cleanup_fclose_ FILE *f = NULL; | |
b46c3e49 | 1023 | _cleanup_close_ int fd = -1; |
6a3fff75 | 1024 | sd_id128_t machine_id; |
1025 | char machine_string[SD_ID128_STRING_MAX]; | |
d5ff6d6d | 1026 | const char *p; |
b46c3e49 | 1027 | int r; |
0974a682 | 1028 | |
6a3fff75 | 1029 | assert(arg_make_machine_id_directory >= 0); |
1030 | ||
270384b2 | 1031 | p = prefix_roota(esp_path, "/loader/loader.conf"); |
f5b84de2 LP |
1032 | if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */ |
1033 | return 0; | |
1034 | ||
1035 | fd = open_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t); | |
1036 | if (fd < 0) | |
1037 | return log_error_errno(fd, "Failed to open \"%s\" for writing: %m", p); | |
1038 | ||
b46c3e49 VC |
1039 | f = take_fdopen(&fd, "w"); |
1040 | if (!f) | |
f5b84de2 | 1041 | return log_oom(); |
0974a682 | 1042 | |
a36b411e | 1043 | fprintf(f, "#timeout 3\n" |
31e57550 | 1044 | "#console-mode keep\n"); |
6a3fff75 | 1045 | if (arg_make_machine_id_directory) { |
1046 | r = sd_id128_get_machine(&machine_id); | |
1047 | if (r < 0) | |
1048 | return log_error_errno(r, "Failed to get machine id: %m"); | |
1049 | ||
1050 | fprintf(f, "default %s-*\n", sd_id128_to_string(machine_id, machine_string)); | |
1051 | } | |
0974a682 | 1052 | |
0675e94a | 1053 | r = fflush_sync_and_check(f); |
d5ff6d6d LP |
1054 | if (r < 0) |
1055 | return log_error_errno(r, "Failed to write \"%s\": %m", p); | |
0974a682 | 1056 | |
c46db6c0 | 1057 | r = link_tmpfile(fileno(f), t, p); |
f5b84de2 LP |
1058 | if (r == -EEXIST) |
1059 | return 0; /* Silently skip creation if the file exists now (recheck) */ | |
1060 | if (r < 0) | |
1061 | return log_error_errno(r, "Failed to move \"%s\" into place: %m", p); | |
1062 | ||
1063 | t = mfree(t); | |
f5b84de2 | 1064 | return 1; |
0974a682 KS |
1065 | } |
1066 | ||
6a3fff75 | 1067 | static int install_machine_id_directory(const char *root) { |
1068 | sd_id128_t machine_id; | |
1069 | char buf[SD_ID128_STRING_MAX]; | |
1070 | int r; | |
1071 | ||
1072 | assert(root); | |
1073 | assert(arg_make_machine_id_directory >= 0); | |
1074 | ||
1075 | if (!arg_make_machine_id_directory) | |
1076 | return 0; | |
1077 | ||
1078 | r = sd_id128_get_machine(&machine_id); | |
1079 | if (r < 0) | |
1080 | return log_error_errno(r, "Failed to get machine id: %m"); | |
1081 | ||
1082 | return mkdir_one(root, sd_id128_to_string(machine_id, buf)); | |
1083 | } | |
1084 | ||
2f2c539c | 1085 | static int help(int argc, char *argv[], void *userdata) { |
37ec0fdd LP |
1086 | _cleanup_free_ char *link = NULL; |
1087 | int r; | |
1088 | ||
1089 | r = terminal_urlify_man("bootctl", "1", &link); | |
1090 | if (r < 0) | |
1091 | return log_oom(); | |
2f2c539c | 1092 | |
64a7fcc5 LP |
1093 | printf("%1$s [OPTIONS...] COMMAND ...\n" |
1094 | "\n%5$sControl EFI firmware boot settings and manage boot loader.%6$s\n" | |
1095 | "\n%3$sGeneric EFI Firmware/Boot Loader Commands:%4$s\n" | |
1096 | " status Show status of installed boot loader and EFI variables\n" | |
002914e6 LP |
1097 | " reboot-to-firmware [BOOL]\n" |
1098 | " Query or set reboot-to-firmware EFI flag\n" | |
64a7fcc5 LP |
1099 | " systemd-efi-options [STRING]\n" |
1100 | " Query or set system options string in EFI variable\n" | |
1101 | "\n%3$sBoot Loader Specification Commands:%4$s\n" | |
2536752d ZJS |
1102 | " list List boot loader entries\n" |
1103 | " set-default ID Set default boot loader entry\n" | |
1104 | " set-oneshot ID Set default boot loader entry, for next boot only\n" | |
64a7fcc5 LP |
1105 | "\n%3$ssystemd-boot Commands:%4$s\n" |
1106 | " install Install systemd-boot to the ESP and EFI variables\n" | |
1107 | " update Update systemd-boot in the ESP and EFI variables\n" | |
1108 | " remove Remove systemd-boot from the ESP and EFI variables\n" | |
1109 | " is-installed Test whether systemd-boot is installed in the ESP\n" | |
1110 | " random-seed Initialize random seed in ESP and EFI variables\n" | |
1111 | "\n%3$sOptions:%4$s\n" | |
e1fac8a6 ZJS |
1112 | " -h --help Show this help\n" |
1113 | " --version Print version\n" | |
1114 | " --esp-path=PATH Path to the EFI System Partition (ESP)\n" | |
1115 | " --boot-path=PATH Path to the $BOOT partition\n" | |
1116 | " -p --print-esp-path Print path to the EFI System Partition\n" | |
1117 | " -x --print-boot-path Print path to the $BOOT partition\n" | |
1118 | " --no-variables Don't touch EFI variables\n" | |
1119 | " --no-pager Do not pipe output into a pager\n" | |
351de38e LP |
1120 | " --graceful Don't fail when the ESP cannot be found or EFI\n" |
1121 | " variables cannot be written\n" | |
6a3fff75 | 1122 | " --make-machine-id-directory=yes|no|auto\n" |
1123 | " Create $BOOT/$MACHINE_ID\n" | |
bc556335 DDM |
1124 | "\nSee the %2$s for details.\n", |
1125 | program_invocation_short_name, | |
1126 | link, | |
1127 | ansi_underline(), | |
1128 | ansi_normal(), | |
1129 | ansi_highlight(), | |
1130 | ansi_normal()); | |
0974a682 KS |
1131 | |
1132 | return 0; | |
1133 | } | |
1134 | ||
0974a682 KS |
1135 | static int parse_argv(int argc, char *argv[]) { |
1136 | enum { | |
fbf45d22 LP |
1137 | ARG_ESP_PATH = 0x100, |
1138 | ARG_BOOT_PATH, | |
0974a682 KS |
1139 | ARG_VERSION, |
1140 | ARG_NO_VARIABLES, | |
57db6f18 | 1141 | ARG_NO_PAGER, |
351de38e | 1142 | ARG_GRACEFUL, |
6a3fff75 | 1143 | ARG_MAKE_MACHINE_ID_DIRECTORY, |
7b4d7cc0 KS |
1144 | }; |
1145 | ||
0974a682 | 1146 | static const struct option options[] = { |
6a3fff75 | 1147 | { "help", no_argument, NULL, 'h' }, |
1148 | { "version", no_argument, NULL, ARG_VERSION }, | |
1149 | { "esp-path", required_argument, NULL, ARG_ESP_PATH }, | |
1150 | { "path", required_argument, NULL, ARG_ESP_PATH }, /* Compatibility alias */ | |
1151 | { "boot-path", required_argument, NULL, ARG_BOOT_PATH }, | |
1152 | { "print-esp-path", no_argument, NULL, 'p' }, | |
1153 | { "print-path", no_argument, NULL, 'p' }, /* Compatibility alias */ | |
1154 | { "print-boot-path", no_argument, NULL, 'x' }, | |
1155 | { "no-variables", no_argument, NULL, ARG_NO_VARIABLES }, | |
1156 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
1157 | { "graceful", no_argument, NULL, ARG_GRACEFUL }, | |
1158 | { "make-machine-id-directory", required_argument, NULL, ARG_MAKE_MACHINE_ID_DIRECTORY }, | |
a36b411e | 1159 | {} |
0974a682 KS |
1160 | }; |
1161 | ||
2f2c539c | 1162 | int c, r; |
6a3fff75 | 1163 | bool b; |
7b4d7cc0 KS |
1164 | |
1165 | assert(argc >= 0); | |
1166 | assert(argv); | |
1167 | ||
fba4e945 | 1168 | while ((c = getopt_long(argc, argv, "hpx", options, NULL)) >= 0) |
0974a682 | 1169 | switch (c) { |
7b4d7cc0 | 1170 | |
0974a682 | 1171 | case 'h': |
2f2c539c | 1172 | help(0, NULL, NULL); |
7b4d7cc0 | 1173 | return 0; |
7b4d7cc0 | 1174 | |
0974a682 | 1175 | case ARG_VERSION: |
3f6fd1ba | 1176 | return version(); |
7b4d7cc0 | 1177 | |
fbf45d22 LP |
1178 | case ARG_ESP_PATH: |
1179 | r = free_and_strdup(&arg_esp_path, optarg); | |
1180 | if (r < 0) | |
1181 | return log_oom(); | |
1182 | break; | |
1183 | ||
1184 | case ARG_BOOT_PATH: | |
1185 | r = free_and_strdup(&arg_xbootldr_path, optarg); | |
2f2c539c LP |
1186 | if (r < 0) |
1187 | return log_oom(); | |
0974a682 KS |
1188 | break; |
1189 | ||
30b50477 | 1190 | case 'p': |
aa467bca ZJS |
1191 | if (arg_print_dollar_boot_path) |
1192 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1193 | "--print-boot-path/-x cannot be combined with --print-esp-path/-p"); | |
fbf45d22 LP |
1194 | arg_print_esp_path = true; |
1195 | break; | |
1196 | ||
fba4e945 | 1197 | case 'x': |
aa467bca ZJS |
1198 | if (arg_print_esp_path) |
1199 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1200 | "--print-boot-path/-x cannot be combined with --print-esp-path/-p"); | |
fbf45d22 | 1201 | arg_print_dollar_boot_path = true; |
30b50477 ZJS |
1202 | break; |
1203 | ||
0974a682 KS |
1204 | case ARG_NO_VARIABLES: |
1205 | arg_touch_variables = false; | |
1206 | break; | |
1207 | ||
57db6f18 | 1208 | case ARG_NO_PAGER: |
0221d68a | 1209 | arg_pager_flags |= PAGER_DISABLE; |
57db6f18 LP |
1210 | break; |
1211 | ||
351de38e LP |
1212 | case ARG_GRACEFUL: |
1213 | arg_graceful = true; | |
1214 | break; | |
1215 | ||
6a3fff75 | 1216 | case ARG_MAKE_MACHINE_ID_DIRECTORY: |
1217 | if (streq(optarg, "auto")) | |
1218 | arg_make_machine_id_directory = -1; /* default */ | |
1219 | else { | |
1220 | r = parse_boolean_argument("--make-machine-id-directory=", optarg, &b); | |
1221 | if (r < 0) | |
1222 | return r; | |
1223 | arg_make_machine_id_directory = b; | |
1224 | } | |
1225 | break; | |
1226 | ||
0974a682 KS |
1227 | case '?': |
1228 | return -EINVAL; | |
1229 | ||
1230 | default: | |
04499a70 | 1231 | assert_not_reached(); |
7b4d7cc0 | 1232 | } |
7b4d7cc0 | 1233 | |
0974a682 KS |
1234 | return 1; |
1235 | } | |
7b4d7cc0 | 1236 | |
e6f055cb | 1237 | static void read_efi_var(const char *variable, char **ret) { |
551710cf ZJS |
1238 | int r; |
1239 | ||
e6f055cb | 1240 | r = efi_get_variable_string(variable, ret); |
551710cf | 1241 | if (r < 0 && r != -ENOENT) |
e6f055cb | 1242 | log_warning_errno(r, "Failed to read EFI variable %s: %m", variable); |
551710cf ZJS |
1243 | } |
1244 | ||
607ebf2b ZJS |
1245 | static void print_yes_no_line(bool first, bool good, const char *name) { |
1246 | printf("%s%s%s%s %s\n", | |
1247 | first ? " Features: " : " ", | |
312dff17 LP |
1248 | ansi_highlight_green_red(good), |
1249 | special_glyph_check_mark(good), | |
607ebf2b ZJS |
1250 | ansi_normal(), |
1251 | name); | |
1252 | } | |
1253 | ||
2f2c539c | 1254 | static int verb_status(int argc, char *argv[], void *userdata) { |
fbf45d22 | 1255 | sd_id128_t esp_uuid = SD_ID128_NULL, xbootldr_uuid = SD_ID128_NULL; |
46fb255b | 1256 | int r, k; |
0974a682 | 1257 | |
e5a8b4b5 | 1258 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, &esp_uuid); |
fbf45d22 | 1259 | if (arg_print_esp_path) { |
5caa3167 LP |
1260 | if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only |
1261 | * error the find_esp_and_warn() won't log on its own) */ | |
fbf45d22 | 1262 | return log_error_errno(r, "Failed to determine ESP location: %m"); |
30b50477 ZJS |
1263 | if (r < 0) |
1264 | return r; | |
1265 | ||
fbf45d22 LP |
1266 | puts(arg_esp_path); |
1267 | } | |
1268 | ||
e5a8b4b5 | 1269 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, &xbootldr_uuid); |
fbf45d22 LP |
1270 | if (arg_print_dollar_boot_path) { |
1271 | if (r == -EACCES) | |
1272 | return log_error_errno(r, "Failed to determine XBOOTLDR location: %m"); | |
1273 | if (r < 0) | |
1274 | return r; | |
1275 | ||
f8a2b09a YW |
1276 | const char *path = arg_dollar_boot_path(); |
1277 | if (!path) | |
1278 | return log_error_errno(SYNTHETIC_ERRNO(EACCES), "Failed to determine XBOOTLDR location: %m"); | |
1279 | ||
1280 | puts(path); | |
30b50477 | 1281 | } |
551710cf | 1282 | |
fbf45d22 LP |
1283 | if (arg_print_esp_path || arg_print_dollar_boot_path) |
1284 | return 0; | |
1285 | ||
5caa3167 LP |
1286 | r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just show what we |
1287 | * can show */ | |
1288 | ||
0221d68a | 1289 | (void) pager_open(arg_pager_flags); |
57db6f18 | 1290 | |
2f2c539c | 1291 | if (is_efi_boot()) { |
80641a81 LP |
1292 | static const struct { |
1293 | uint64_t flag; | |
1294 | const char *name; | |
1295 | } flags[] = { | |
22c5ff51 LP |
1296 | { EFI_LOADER_FEATURE_BOOT_COUNTING, "Boot counting" }, |
1297 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT, "Menu timeout control" }, | |
1298 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT, "One-shot menu timeout control" }, | |
1299 | { EFI_LOADER_FEATURE_ENTRY_DEFAULT, "Default entry control" }, | |
1300 | { EFI_LOADER_FEATURE_ENTRY_ONESHOT, "One-shot entry control" }, | |
1301 | { EFI_LOADER_FEATURE_XBOOTLDR, "Support for XBOOTLDR partition" }, | |
1302 | { EFI_LOADER_FEATURE_RANDOM_SEED, "Support for passing random seed to OS" }, | |
80641a81 LP |
1303 | }; |
1304 | ||
81375b9b | 1305 | _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL; |
25579a43 | 1306 | sd_id128_t loader_part_uuid = SD_ID128_NULL; |
80641a81 | 1307 | uint64_t loader_features = 0; |
e6f055cb | 1308 | int have; |
0974a682 | 1309 | |
e6f055cb ZJS |
1310 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareType), &fw_type); |
1311 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareInfo), &fw_info); | |
1312 | read_efi_var(EFI_LOADER_VARIABLE(LoaderInfo), &loader); | |
1313 | read_efi_var(EFI_LOADER_VARIABLE(StubInfo), &stub); | |
1314 | read_efi_var(EFI_LOADER_VARIABLE(LoaderImageIdentifier), &loader_path); | |
80641a81 | 1315 | (void) efi_loader_get_features(&loader_features); |
551710cf | 1316 | |
2f2c539c LP |
1317 | if (loader_path) |
1318 | efi_tilt_backslashes(loader_path); | |
1319 | ||
46fb255b ZJS |
1320 | k = efi_loader_get_device_part_uuid(&loader_part_uuid); |
1321 | if (k < 0 && k != -ENOENT) | |
1322 | r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m"); | |
2f2c539c LP |
1323 | |
1324 | printf("System:\n"); | |
ba857253 | 1325 | printf(" Firmware: %s%s (%s)%s\n", ansi_highlight(), strna(fw_type), strna(fw_info), ansi_normal()); |
33987ba0 YW |
1326 | printf(" Secure Boot: %sd\n", enable_disable(is_efi_secure_boot())); |
1327 | printf(" Setup Mode: %s\n", is_efi_secure_boot_setup_mode() ? "setup" : "user"); | |
b2a22049 | 1328 | printf(" TPM2 Support: %s\n", yes_no(efi_has_tpm2())); |
8a96369e | 1329 | |
c1b9708c LP |
1330 | k = efi_get_reboot_to_firmware(); |
1331 | if (k > 0) | |
8a96369e | 1332 | printf(" Boot into FW: %sactive%s\n", ansi_highlight_yellow(), ansi_normal()); |
c1b9708c | 1333 | else if (k == 0) |
8a96369e | 1334 | printf(" Boot into FW: supported\n"); |
c1b9708c | 1335 | else if (k == -EOPNOTSUPP) |
8a96369e LP |
1336 | printf(" Boot into FW: not supported\n"); |
1337 | else { | |
c1b9708c | 1338 | errno = -k; |
8a96369e LP |
1339 | printf(" Boot into FW: %sfailed%s (%m)\n", ansi_highlight_red(), ansi_normal()); |
1340 | } | |
2f2c539c LP |
1341 | printf("\n"); |
1342 | ||
7fd66f3c | 1343 | printf("Current Boot Loader:\n"); |
ba857253 | 1344 | printf(" Product: %s%s%s\n", ansi_highlight(), strna(loader), ansi_normal()); |
80641a81 | 1345 | |
c67bd42b | 1346 | for (size_t i = 0; i < ELEMENTSOF(flags); i++) |
607ebf2b | 1347 | print_yes_no_line(i == 0, FLAGS_SET(loader_features, flags[i].flag), flags[i].name); |
80641a81 | 1348 | |
607ebf2b ZJS |
1349 | sd_id128_t bootloader_esp_uuid; |
1350 | bool have_bootloader_esp_uuid = efi_loader_get_device_part_uuid(&bootloader_esp_uuid) >= 0; | |
80641a81 | 1351 | |
250db1bf | 1352 | print_yes_no_line(false, have_bootloader_esp_uuid, "Boot loader sets ESP information"); |
607ebf2b | 1353 | if (have_bootloader_esp_uuid && !sd_id128_equal(esp_uuid, bootloader_esp_uuid)) |
9e516e4c | 1354 | printf("WARNING: The boot loader reports a different ESP UUID than detected!\n"); |
80641a81 | 1355 | |
81375b9b ДГ |
1356 | if (stub) |
1357 | printf(" Stub: %s\n", stub); | |
e28973ee | 1358 | if (!sd_id128_is_null(loader_part_uuid)) |
bd44566c | 1359 | printf(" ESP: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", |
2f2c539c LP |
1360 | SD_ID128_FORMAT_VAL(loader_part_uuid)); |
1361 | else | |
cd2d4c7f | 1362 | printf(" ESP: n/a\n"); |
9a6f746f | 1363 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path)); |
2f2c539c | 1364 | printf("\n"); |
d6e9a347 LP |
1365 | |
1366 | printf("Random Seed:\n"); | |
e6f055cb ZJS |
1367 | have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderRandomSeed)), F_OK) >= 0; |
1368 | printf(" Passed to OS: %s\n", yes_no(have)); | |
1369 | have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderSystemToken)), F_OK) >= 0; | |
1370 | printf(" System Token: %s\n", have ? "set" : "not set"); | |
d6e9a347 LP |
1371 | |
1372 | if (arg_esp_path) { | |
1373 | _cleanup_free_ char *p = NULL; | |
1374 | ||
1375 | p = path_join(arg_esp_path, "/loader/random-seed"); | |
1376 | if (!p) | |
1377 | return log_oom(); | |
1378 | ||
e6f055cb ZJS |
1379 | have = access(p, F_OK) >= 0; |
1380 | printf(" Exists: %s\n", yes_no(have)); | |
d6e9a347 LP |
1381 | } |
1382 | ||
1383 | printf("\n"); | |
2f2c539c | 1384 | } else |
cd2d4c7f | 1385 | printf("System:\n Not booted with EFI\n\n"); |
7b4d7cc0 | 1386 | |
fbf45d22 LP |
1387 | if (arg_esp_path) { |
1388 | k = status_binaries(arg_esp_path, esp_uuid); | |
ecec2a5d LP |
1389 | if (k < 0) |
1390 | r = k; | |
1391 | } | |
2f2c539c | 1392 | |
cd2d4c7f | 1393 | if (is_efi_boot()) { |
46fb255b ZJS |
1394 | k = status_variables(); |
1395 | if (k < 0) | |
1396 | r = k; | |
cd2d4c7f | 1397 | } |
0974a682 | 1398 | |
fbf45d22 | 1399 | if (arg_esp_path || arg_xbootldr_path) { |
81fed855 | 1400 | k = status_entries(arg_esp_path, esp_uuid, arg_xbootldr_path, xbootldr_uuid); |
ecec2a5d LP |
1401 | if (k < 0) |
1402 | r = k; | |
1403 | } | |
7e87c7d9 | 1404 | |
46fb255b | 1405 | return r; |
2f2c539c | 1406 | } |
7b4d7cc0 | 1407 | |
7e87c7d9 | 1408 | static int verb_list(int argc, char *argv[], void *userdata) { |
5caa3167 | 1409 | _cleanup_(boot_config_free) BootConfig config = {}; |
d4bd786d | 1410 | _cleanup_strv_free_ char **efi_entries = NULL; |
5caa3167 | 1411 | int r; |
7e87c7d9 | 1412 | |
5caa3167 LP |
1413 | /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two things: turn |
1414 | * off logging about access errors and turn off potentially privileged device probing. Here we're interested in | |
1415 | * the latter but not the former, hence request the mode, and log about EACCES. */ | |
7e87c7d9 | 1416 | |
e5a8b4b5 | 1417 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, NULL); |
5caa3167 LP |
1418 | if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */ |
1419 | return log_error_errno(r, "Failed to determine ESP: %m"); | |
7e87c7d9 ZJS |
1420 | if (r < 0) |
1421 | return r; | |
1422 | ||
e5a8b4b5 | 1423 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, NULL); |
fbf45d22 LP |
1424 | if (r == -EACCES) |
1425 | return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m"); | |
1426 | if (r < 0) | |
1427 | return r; | |
1428 | ||
1429 | r = boot_entries_load_config(arg_esp_path, arg_xbootldr_path, &config); | |
7e87c7d9 | 1430 | if (r < 0) |
21f7a622 | 1431 | return r; |
7e87c7d9 | 1432 | |
d4bd786d LP |
1433 | r = efi_loader_get_entries(&efi_entries); |
1434 | if (r == -ENOENT || ERRNO_IS_NOT_SUPPORTED(r)) | |
1435 | log_debug_errno(r, "Boot loader reported no entries."); | |
1436 | else if (r < 0) | |
1437 | log_warning_errno(r, "Failed to determine entries reported by boot loader, ignoring: %m"); | |
1438 | else | |
1439 | (void) boot_entries_augment_from_loader(&config, efi_entries, false); | |
bd2865ca | 1440 | |
20a28174 LP |
1441 | if (config.n_entries == 0) |
1442 | log_info("No boot loader entries found."); | |
1443 | else { | |
0221d68a | 1444 | (void) pager_open(arg_pager_flags); |
57db6f18 | 1445 | |
20a28174 | 1446 | printf("Boot Loader Entries:\n"); |
7e87c7d9 | 1447 | |
c67bd42b | 1448 | for (size_t n = 0; n < config.n_entries; n++) { |
20a28174 LP |
1449 | r = boot_entry_show(config.entries + n, n == (size_t) config.default_entry); |
1450 | if (r < 0) | |
1451 | return r; | |
7e87c7d9 | 1452 | |
4629499e LP |
1453 | if (n+1 < config.n_entries) |
1454 | putchar('\n'); | |
7e87c7d9 | 1455 | } |
cd2d4c7f | 1456 | } |
0974a682 | 1457 | |
7e87c7d9 | 1458 | return 0; |
2f2c539c | 1459 | } |
7b4d7cc0 | 1460 | |
e44c3229 LP |
1461 | static int install_random_seed(const char *esp) { |
1462 | _cleanup_(unlink_and_freep) char *tmp = NULL; | |
1463 | _cleanup_free_ void *buffer = NULL; | |
1464 | _cleanup_free_ char *path = NULL; | |
1465 | _cleanup_close_ int fd = -1; | |
1466 | size_t sz, token_size; | |
1467 | ssize_t n; | |
1468 | int r; | |
1469 | ||
1470 | assert(esp); | |
1471 | ||
1472 | path = path_join(esp, "/loader/random-seed"); | |
1473 | if (!path) | |
1474 | return log_oom(); | |
1475 | ||
1476 | sz = random_pool_size(); | |
1477 | ||
1478 | buffer = malloc(sz); | |
1479 | if (!buffer) | |
1480 | return log_oom(); | |
1481 | ||
1482 | r = genuine_random_bytes(buffer, sz, RANDOM_BLOCK); | |
1483 | if (r < 0) | |
a4d20801 | 1484 | return log_error_errno(r, "Failed to acquire random seed: %m"); |
e44c3229 | 1485 | |
a4a55e9a LP |
1486 | /* Normally create_subdirs() should already have created everything we need, but in case "bootctl |
1487 | * random-seed" is called we want to just create the minimum we need for it, and not the full | |
1488 | * list. */ | |
1489 | r = mkdir_parents(path, 0755); | |
1490 | if (r < 0) | |
1491 | return log_error_errno(r, "Failed to create parent directory for %s: %m", path); | |
1492 | ||
e44c3229 LP |
1493 | r = tempfn_random(path, "bootctl", &tmp); |
1494 | if (r < 0) | |
1495 | return log_oom(); | |
1496 | ||
1497 | fd = open(tmp, O_CREAT|O_EXCL|O_NOFOLLOW|O_NOCTTY|O_WRONLY|O_CLOEXEC, 0600); | |
1498 | if (fd < 0) { | |
1499 | tmp = mfree(tmp); | |
1500 | return log_error_errno(fd, "Failed to open random seed file for writing: %m"); | |
1501 | } | |
1502 | ||
1503 | n = write(fd, buffer, sz); | |
1504 | if (n < 0) | |
1505 | return log_error_errno(errno, "Failed to write random seed file: %m"); | |
1506 | if ((size_t) n != sz) | |
1507 | return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write while writing random seed file."); | |
1508 | ||
1509 | if (rename(tmp, path) < 0) | |
1510 | return log_error_errno(r, "Failed to move random seed file into place: %m"); | |
1511 | ||
1512 | tmp = mfree(tmp); | |
1513 | ||
a4d20801 | 1514 | log_info("Random seed file %s successfully written (%zu bytes).", path, sz); |
e44c3229 LP |
1515 | |
1516 | if (!arg_touch_variables) | |
1517 | return 0; | |
1518 | ||
1519 | if (!is_efi_boot()) { | |
1520 | log_notice("Not booted with EFI, skipping EFI variable setup."); | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | r = getenv_bool("SYSTEMD_WRITE_SYSTEM_TOKEN"); | |
1525 | if (r < 0) { | |
1526 | if (r != -ENXIO) | |
1527 | log_warning_errno(r, "Failed to parse $SYSTEMD_WRITE_SYSTEM_TOKEN, ignoring."); | |
1528 | ||
1529 | if (detect_vm() > 0) { | |
1530 | /* Let's not write a system token if we detect we are running in a VM | |
1531 | * environment. Why? Our default security model for the random seed uses the system | |
1532 | * token as a mechanism to ensure we are not vulnerable to golden master sloppiness | |
1533 | * issues, i.e. that people initialize the random seed file, then copy the image to | |
1534 | * many systems and end up with the same random seed in each that is assumed to be | |
1535 | * valid but in reality is the same for all machines. By storing a system token in | |
1536 | * the EFI variable space we can make sure that even though the random seeds on disk | |
1537 | * are all the same they will be different on each system under the assumption that | |
1538 | * the EFI variable space is maintained separate from the random seed storage. That | |
162392b7 | 1539 | * is generally the case on physical systems, as the ESP is stored on persistent |
e44c3229 LP |
1540 | * storage, and the EFI variables in NVRAM. However in virtualized environments this |
1541 | * is generally not true: the EFI variable set is typically stored along with the | |
1542 | * disk image itself. For example, using the OVMF EFI firmware the EFI variables are | |
1543 | * stored in a file in the ESP itself. */ | |
1544 | ||
1545 | log_notice("Not installing system token, since we are running in a virtualized environment."); | |
1546 | return 0; | |
1547 | } | |
1548 | } else if (r == 0) { | |
1549 | log_notice("Not writing system token, because $SYSTEMD_WRITE_SYSTEM_TOKEN is set to false."); | |
1550 | return 0; | |
1551 | } | |
1552 | ||
e6f055cb | 1553 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), NULL, NULL, &token_size); |
ad0b610b LP |
1554 | if (r == -ENODATA) |
1555 | log_debug_errno(r, "LoaderSystemToken EFI variable is invalid (too short?), replacing."); | |
1556 | else if (r < 0) { | |
e44c3229 LP |
1557 | if (r != -ENOENT) |
1558 | return log_error_errno(r, "Failed to test system token validity: %m"); | |
1559 | } else { | |
1560 | if (token_size >= sz) { | |
1561 | /* Let's avoid writes if we can, and initialize this only once. */ | |
1562 | log_debug("System token already written, not updating."); | |
1563 | return 0; | |
1564 | } | |
1565 | ||
1566 | log_debug("Existing system token size (%zu) does not match our expectations (%zu), replacing.", token_size, sz); | |
1567 | } | |
1568 | ||
1569 | r = genuine_random_bytes(buffer, sz, RANDOM_BLOCK); | |
1570 | if (r < 0) | |
1571 | return log_error_errno(r, "Failed to acquire random seed: %m"); | |
1572 | ||
1573 | /* Let's write this variable with an umask in effect, so that unprivileged users can't see the token | |
1574 | * and possibly get identification information or too much insight into the kernel's entropy pool | |
1575 | * state. */ | |
1576 | RUN_WITH_UMASK(0077) { | |
e6f055cb | 1577 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), buffer, sz); |
351de38e LP |
1578 | if (r < 0) { |
1579 | if (!arg_graceful) | |
1580 | return log_error_errno(r, "Failed to write 'LoaderSystemToken' EFI variable: %m"); | |
1581 | ||
1582 | if (r == -EINVAL) | |
1583 | log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable (firmware problem?), ignoring: %m"); | |
1584 | else | |
1585 | log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable, ignoring: %m"); | |
1586 | } else | |
1587 | log_info("Successfully initialized system token in EFI variable with %zu bytes.", sz); | |
e44c3229 LP |
1588 | } |
1589 | ||
e44c3229 LP |
1590 | return 0; |
1591 | } | |
1592 | ||
fbf45d22 LP |
1593 | static int sync_everything(void) { |
1594 | int ret = 0, k; | |
e0e8d177 | 1595 | |
fbf45d22 LP |
1596 | if (arg_esp_path) { |
1597 | k = syncfs_path(AT_FDCWD, arg_esp_path); | |
1598 | if (k < 0) | |
1599 | ret = log_error_errno(k, "Failed to synchronize the ESP '%s': %m", arg_esp_path); | |
1600 | } | |
e0e8d177 | 1601 | |
fbf45d22 LP |
1602 | if (arg_xbootldr_path) { |
1603 | k = syncfs_path(AT_FDCWD, arg_xbootldr_path); | |
1604 | if (k < 0) | |
1605 | ret = log_error_errno(k, "Failed to synchronize $BOOT '%s': %m", arg_xbootldr_path); | |
1606 | } | |
e0e8d177 | 1607 | |
fbf45d22 | 1608 | return ret; |
e0e8d177 LP |
1609 | } |
1610 | ||
2f2c539c | 1611 | static int verb_install(int argc, char *argv[], void *userdata) { |
2f2c539c LP |
1612 | sd_id128_t uuid = SD_ID128_NULL; |
1613 | uint64_t pstart = 0, psize = 0; | |
1614 | uint32_t part = 0; | |
e5a8b4b5 | 1615 | bool install, graceful; |
2f2c539c LP |
1616 | int r; |
1617 | ||
e5a8b4b5 LP |
1618 | install = streq(argv[0], "install"); |
1619 | graceful = !install && arg_graceful; /* support graceful mode for updates */ | |
1620 | ||
1621 | r = acquire_esp(/* unprivileged_mode= */ false, graceful, &part, &pstart, &psize, &uuid); | |
1622 | if (graceful && r == -ENOKEY) | |
1623 | return 0; /* If --graceful is specified and we can't find an ESP, handle this cleanly */ | |
2f2c539c LP |
1624 | if (r < 0) |
1625 | return r; | |
1626 | ||
e5a8b4b5 | 1627 | r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL); |
fbf45d22 LP |
1628 | if (r < 0) |
1629 | return r; | |
1630 | ||
6a3fff75 | 1631 | settle_make_machine_id_directory(); |
1632 | ||
2f2c539c | 1633 | RUN_WITH_UMASK(0002) { |
fbf45d22 LP |
1634 | if (install) { |
1635 | /* Don't create any of these directories when we are just updating. When we update | |
1636 | * we'll drop-in our files (unless there are newer ones already), but we won't create | |
1637 | * the directories for them in the first place. */ | |
e44c3229 LP |
1638 | r = create_subdirs(arg_esp_path, esp_subdirs); |
1639 | if (r < 0) | |
1640 | return r; | |
1641 | ||
1642 | r = create_subdirs(arg_dollar_boot_path(), dollar_boot_subdirs); | |
fbf45d22 LP |
1643 | if (r < 0) |
1644 | return r; | |
1645 | } | |
1646 | ||
1647 | r = install_binaries(arg_esp_path, install); | |
0974a682 | 1648 | if (r < 0) |
d3226d77 | 1649 | return r; |
0974a682 | 1650 | |
2f2c539c | 1651 | if (install) { |
31e57550 | 1652 | r = install_loader_config(arg_esp_path); |
e44c3229 LP |
1653 | if (r < 0) |
1654 | return r; | |
1655 | ||
6a3fff75 | 1656 | r = install_machine_id_directory(arg_dollar_boot_path()); |
1657 | if (r < 0) | |
1658 | return r; | |
1659 | ||
e44c3229 | 1660 | r = install_random_seed(arg_esp_path); |
d3226d77 ZJS |
1661 | if (r < 0) |
1662 | return r; | |
1663 | } | |
2f2c539c | 1664 | } |
0974a682 | 1665 | |
fbf45d22 | 1666 | (void) sync_everything(); |
e0e8d177 | 1667 | |
2f2c539c | 1668 | if (arg_touch_variables) |
fbf45d22 | 1669 | r = install_variables(arg_esp_path, |
2f2c539c LP |
1670 | part, pstart, psize, uuid, |
1671 | "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", | |
1672 | install); | |
7b4d7cc0 | 1673 | |
2f2c539c LP |
1674 | return r; |
1675 | } | |
0974a682 | 1676 | |
2f2c539c | 1677 | static int verb_remove(int argc, char *argv[], void *userdata) { |
31e57550 | 1678 | sd_id128_t uuid = SD_ID128_NULL; |
fbf45d22 | 1679 | int r, q; |
0974a682 | 1680 | |
e5a8b4b5 | 1681 | r = acquire_esp(/* unprivileged_mode= */ false, /* graceful= */ false, NULL, NULL, NULL, &uuid); |
2f2c539c LP |
1682 | if (r < 0) |
1683 | return r; | |
1684 | ||
e5a8b4b5 | 1685 | r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL); |
fbf45d22 LP |
1686 | if (r < 0) |
1687 | return r; | |
2f2c539c | 1688 | |
6a3fff75 | 1689 | settle_make_machine_id_directory(); |
1690 | ||
fbf45d22 | 1691 | r = remove_binaries(arg_esp_path); |
e0e8d177 | 1692 | |
e44c3229 | 1693 | q = remove_file(arg_esp_path, "/loader/loader.conf"); |
fbf45d22 LP |
1694 | if (q < 0 && r >= 0) |
1695 | r = q; | |
1696 | ||
e44c3229 | 1697 | q = remove_file(arg_esp_path, "/loader/random-seed"); |
fbf45d22 LP |
1698 | if (q < 0 && r >= 0) |
1699 | r = q; | |
2f2c539c | 1700 | |
e44c3229 | 1701 | q = remove_subdirs(arg_esp_path, esp_subdirs); |
fbf45d22 LP |
1702 | if (q < 0 && r >= 0) |
1703 | r = q; | |
1704 | ||
e44c3229 LP |
1705 | q = remove_subdirs(arg_esp_path, dollar_boot_subdirs); |
1706 | if (q < 0 && r >= 0) | |
1707 | r = q; | |
fbf45d22 | 1708 | |
6a3fff75 | 1709 | q = remove_machine_id_directory(arg_esp_path); |
1710 | if (q < 0 && r >= 0) | |
1711 | r = 1; | |
1712 | ||
e44c3229 LP |
1713 | if (arg_xbootldr_path) { |
1714 | /* Remove the latter two also in the XBOOTLDR partition if it exists */ | |
1715 | q = remove_subdirs(arg_xbootldr_path, dollar_boot_subdirs); | |
1716 | if (q < 0 && r >= 0) | |
1717 | r = q; | |
6a3fff75 | 1718 | |
1719 | q = remove_machine_id_directory(arg_xbootldr_path); | |
1720 | if (q < 0 && r >= 0) | |
1721 | r = q; | |
7b4d7cc0 KS |
1722 | } |
1723 | ||
e44c3229 LP |
1724 | (void) sync_everything(); |
1725 | ||
1726 | if (!arg_touch_variables) | |
1727 | return r; | |
1728 | ||
1729 | q = remove_variables(uuid, "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", true); | |
1730 | if (q < 0 && r >= 0) | |
1731 | r = q; | |
1732 | ||
1733 | q = remove_loader_variables(); | |
1734 | if (q < 0 && r >= 0) | |
1735 | r = q; | |
1736 | ||
d3226d77 | 1737 | return r; |
7b4d7cc0 KS |
1738 | } |
1739 | ||
a2aa605d LP |
1740 | static int verb_is_installed(int argc, char *argv[], void *userdata) { |
1741 | _cleanup_free_ char *p = NULL; | |
1742 | int r; | |
1743 | ||
e5a8b4b5 | 1744 | r = acquire_esp(/* privileged_mode= */ false, /* graceful= */ false, NULL, NULL, NULL, NULL); |
a2aa605d LP |
1745 | if (r < 0) |
1746 | return r; | |
1747 | ||
1748 | /* Tests whether systemd-boot is installed. It's not obvious what to use as check here: we could | |
1749 | * check EFI variables, we could check what binary /EFI/BOOT/BOOT*.EFI points to, or whether the | |
1750 | * loader entries directory exists. Here we opted to check whether /EFI/systemd/ is non-empty, which | |
1751 | * should be a suitable and very minimal check for a number of reasons: | |
1752 | * | |
1753 | * → The check is architecture independent (i.e. we check if any systemd-boot loader is installed, not a | |
1754 | * specific one.) | |
1755 | * | |
1756 | * → It doesn't assume we are the only boot loader (i.e doesn't check if we own the main | |
1757 | * /EFI/BOOT/BOOT*.EFI fallback binary. | |
1758 | * | |
1759 | * → It specifically checks for systemd-boot, not for other boot loaders (which a check for | |
1760 | * /boot/loader/entries would do). */ | |
1761 | ||
1762 | p = path_join(arg_esp_path, "/EFI/systemd/"); | |
1763 | if (!p) | |
1764 | return log_oom(); | |
1765 | ||
1766 | r = dir_is_empty(p); | |
1767 | if (r > 0 || r == -ENOENT) { | |
1768 | puts("no"); | |
1769 | return EXIT_FAILURE; | |
1770 | } | |
1771 | if (r < 0) | |
1772 | return log_error_errno(r, "Failed to detect whether systemd-boot is installed: %m"); | |
1773 | ||
1774 | puts("yes"); | |
1775 | return EXIT_SUCCESS; | |
1776 | } | |
1777 | ||
c4b84347 ДГ |
1778 | static int parse_loader_entry_target_arg(const char *arg1, char16_t **ret_target, size_t *ret_target_size) { |
1779 | int r; | |
1780 | if (streq(arg1, "@current")) { | |
e6f055cb | 1781 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntrySelected), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1782 | if (r < 0) |
1783 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntrySelected': %m"); | |
1784 | } else if (streq(arg1, "@oneshot")) { | |
e6f055cb | 1785 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1786 | if (r < 0) |
1787 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryOneShot': %m"); | |
1788 | } else if (streq(arg1, "@default")) { | |
e6f055cb | 1789 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryDefault), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1790 | if (r < 0) |
1791 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryDefault': %m"); | |
1792 | } else { | |
1793 | char16_t *encoded = NULL; | |
1794 | encoded = utf8_to_utf16(arg1, strlen(arg1)); | |
1795 | if (!encoded) | |
1796 | return log_oom(); | |
1797 | *ret_target = encoded; | |
1798 | *ret_target_size = char16_strlen(encoded) * 2 + 2; | |
1799 | } | |
1800 | return 0; | |
1801 | } | |
1802 | ||
d88c96ff | 1803 | static int verb_set_default(int argc, char *argv[], void *userdata) { |
d88c96ff LP |
1804 | int r; |
1805 | ||
baaa35ad ZJS |
1806 | if (!is_efi_boot()) |
1807 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1808 | "Not booted with UEFI."); | |
d88c96ff | 1809 | |
e6f055cb | 1810 | if (access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderInfo)), F_OK) < 0) { |
d88c96ff LP |
1811 | if (errno == ENOENT) { |
1812 | log_error_errno(errno, "Not booted with a supported boot loader."); | |
1813 | return -EOPNOTSUPP; | |
1814 | } | |
1815 | ||
1816 | return log_error_errno(errno, "Failed to detect whether boot loader supports '%s' operation: %m", argv[0]); | |
1817 | } | |
1818 | ||
baaa35ad ZJS |
1819 | if (detect_container() > 0) |
1820 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1821 | "'%s' operation not supported in a container.", | |
1822 | argv[0]); | |
d88c96ff | 1823 | |
baaa35ad ZJS |
1824 | if (!arg_touch_variables) |
1825 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1826 | "'%s' operation cannot be combined with --touch-variables=no.", | |
1827 | argv[0]); | |
d88c96ff | 1828 | |
e6f055cb ZJS |
1829 | const char *variable = streq(argv[0], "set-default") ? |
1830 | EFI_LOADER_VARIABLE(LoaderEntryDefault) : EFI_LOADER_VARIABLE(LoaderEntryOneShot); | |
d88c96ff LP |
1831 | |
1832 | if (isempty(argv[1])) { | |
e6f055cb | 1833 | r = efi_set_variable(variable, NULL, 0); |
d88c96ff | 1834 | if (r < 0 && r != -ENOENT) |
e6f055cb | 1835 | return log_error_errno(r, "Failed to remove EFI variable '%s': %m", variable); |
d88c96ff | 1836 | } else { |
c4b84347 ДГ |
1837 | _cleanup_free_ char16_t *target = NULL; |
1838 | size_t target_size = 0; | |
d88c96ff | 1839 | |
c4b84347 ДГ |
1840 | r = parse_loader_entry_target_arg(argv[1], &target, &target_size); |
1841 | if (r < 0) | |
1842 | return r; | |
e6f055cb | 1843 | r = efi_set_variable(variable, target, target_size); |
d88c96ff | 1844 | if (r < 0) |
e6f055cb | 1845 | return log_error_errno(r, "Failed to update EFI variable '%s': %m", variable); |
d88c96ff LP |
1846 | } |
1847 | ||
1848 | return 0; | |
1849 | } | |
1850 | ||
e44c3229 LP |
1851 | static int verb_random_seed(int argc, char *argv[], void *userdata) { |
1852 | int r; | |
1853 | ||
351de38e LP |
1854 | r = find_esp_and_warn(arg_esp_path, false, &arg_esp_path, NULL, NULL, NULL, NULL); |
1855 | if (r == -ENOKEY) { | |
1856 | /* find_esp_and_warn() doesn't warn about ENOKEY, so let's do that on our own */ | |
1857 | if (!arg_graceful) | |
1858 | return log_error_errno(r, "Unable to find ESP."); | |
1859 | ||
1860 | log_notice("No ESP found, not initializing random seed."); | |
1861 | return 0; | |
1862 | } | |
e44c3229 LP |
1863 | if (r < 0) |
1864 | return r; | |
1865 | ||
1866 | r = install_random_seed(arg_esp_path); | |
1867 | if (r < 0) | |
1868 | return r; | |
1869 | ||
1870 | (void) sync_everything(); | |
1871 | return 0; | |
1872 | } | |
1873 | ||
2536752d | 1874 | static int verb_systemd_efi_options(int argc, char *argv[], void *userdata) { |
4e5aa791 ZJS |
1875 | int r; |
1876 | ||
1877 | if (argc == 1) { | |
ad2d6880 | 1878 | _cleanup_free_ char *line = NULL, *new = NULL; |
4e5aa791 | 1879 | |
2536752d | 1880 | r = systemd_efi_options_variable(&line); |
ad2d6880 ZJS |
1881 | if (r == -ENODATA) |
1882 | log_debug("No SystemdOptions EFI variable present in cache."); | |
1883 | else if (r < 0) | |
1884 | return log_error_errno(r, "Failed to read SystemdOptions EFI variable from cache: %m"); | |
1885 | else | |
1886 | puts(line); | |
1887 | ||
1888 | r = systemd_efi_options_efivarfs_if_newer(&new); | |
1889 | if (r == -ENODATA) { | |
1890 | if (line) | |
1891 | log_notice("Note: SystemdOptions EFI variable has been removed since boot."); | |
1892 | } else if (r < 0) | |
1893 | log_warning_errno(r, "Failed to check SystemdOptions EFI variable in efivarfs, ignoring: %m"); | |
1894 | else if (new && !streq_ptr(line, new)) | |
1895 | log_notice("Note: SystemdOptions EFI variable has been modified since boot. New value: %s", | |
1896 | new); | |
4e5aa791 | 1897 | } else { |
e6f055cb | 1898 | r = efi_set_variable_string(EFI_SYSTEMD_VARIABLE(SystemdOptions), argv[1]); |
4e5aa791 ZJS |
1899 | if (r < 0) |
1900 | return log_error_errno(r, "Failed to set SystemdOptions EFI variable: %m"); | |
1901 | } | |
1902 | ||
1903 | return 0; | |
1904 | } | |
1905 | ||
002914e6 LP |
1906 | static int verb_reboot_to_firmware(int argc, char *argv[], void *userdata) { |
1907 | int r; | |
1908 | ||
1909 | if (argc < 2) { | |
1910 | r = efi_get_reboot_to_firmware(); | |
1911 | if (r > 0) { | |
1912 | puts("active"); | |
1913 | return EXIT_SUCCESS; /* success */ | |
1914 | } | |
1915 | if (r == 0) { | |
1916 | puts("supported"); | |
1917 | return 1; /* recognizable error #1 */ | |
1918 | } | |
1919 | if (r == -EOPNOTSUPP) { | |
1920 | puts("not supported"); | |
1921 | return 2; /* recognizable error #2 */ | |
1922 | } | |
1923 | ||
1924 | log_error_errno(r, "Failed to query reboot-to-firmware state: %m"); | |
1925 | return 3; /* other kind of error */ | |
1926 | } else { | |
1927 | r = parse_boolean(argv[1]); | |
1928 | if (r < 0) | |
1929 | return log_error_errno(r, "Failed to parse argument: %s", argv[1]); | |
1930 | ||
1931 | r = efi_set_reboot_to_firmware(r); | |
1932 | if (r < 0) | |
1933 | return log_error_errno(r, "Failed to set reboot-to-firmware option: %m"); | |
1934 | ||
1935 | return 0; | |
1936 | } | |
1937 | } | |
1938 | ||
2f2c539c | 1939 | static int bootctl_main(int argc, char *argv[]) { |
2f2c539c | 1940 | static const Verb verbs[] = { |
2536752d ZJS |
1941 | { "help", VERB_ANY, VERB_ANY, 0, help }, |
1942 | { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status }, | |
1943 | { "install", VERB_ANY, 1, 0, verb_install }, | |
1944 | { "update", VERB_ANY, 1, 0, verb_install }, | |
1945 | { "remove", VERB_ANY, 1, 0, verb_remove }, | |
1946 | { "is-installed", VERB_ANY, 1, 0, verb_is_installed }, | |
1947 | { "list", VERB_ANY, 1, 0, verb_list }, | |
1948 | { "set-default", 2, 2, 0, verb_set_default }, | |
1949 | { "set-oneshot", 2, 2, 0, verb_set_default }, | |
1950 | { "random-seed", VERB_ANY, 1, 0, verb_random_seed }, | |
1951 | { "systemd-efi-options", VERB_ANY, 2, 0, verb_systemd_efi_options }, | |
002914e6 | 1952 | { "reboot-to-firmware", VERB_ANY, 2, 0, verb_reboot_to_firmware }, |
2f2c539c LP |
1953 | {} |
1954 | }; | |
1955 | ||
1956 | return dispatch_verb(argc, argv, verbs, NULL); | |
1957 | } | |
1958 | ||
608f8ec9 | 1959 | static int run(int argc, char *argv[]) { |
601185b4 | 1960 | int r; |
7b4d7cc0 KS |
1961 | |
1962 | log_parse_environment(); | |
1963 | log_open(); | |
1964 | ||
341890de | 1965 | /* If we run in a container, automatically turn off EFI file system access */ |
2f2c539c LP |
1966 | if (detect_container() > 0) |
1967 | arg_touch_variables = false; | |
1968 | ||
7b4d7cc0 | 1969 | r = parse_argv(argc, argv); |
601185b4 | 1970 | if (r <= 0) |
608f8ec9 | 1971 | return r; |
57db6f18 | 1972 | |
608f8ec9 | 1973 | return bootctl_main(argc, argv); |
7b4d7cc0 | 1974 | } |
608f8ec9 | 1975 | |
002914e6 | 1976 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |