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da36788f LP |
1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
2 | ||
3 | #include <sys/mman.h> | |
4 | #include <unistd.h> | |
5 | ||
6 | #include "bootctl.h" | |
7 | #include "bootctl-status.h" | |
8 | #include "bootctl-util.h" | |
9 | #include "bootspec.h" | |
10 | #include "chase-symlinks.h" | |
11 | #include "devnum-util.h" | |
12 | #include "dirent-util.h" | |
13 | #include "efi-api.h" | |
14 | #include "efi-loader.h" | |
15 | #include "errno-util.h" | |
16 | #include "fd-util.h" | |
17 | #include "fileio.h" | |
18 | #include "find-esp.h" | |
19 | #include "path-util.h" | |
20 | #include "pretty-print.h" | |
21 | #include "terminal-util.h" | |
22 | #include "tpm2-util.h" | |
23 | ||
24 | static int boot_config_load_and_select( | |
25 | BootConfig *config, | |
26 | const char *esp_path, | |
27 | dev_t esp_devid, | |
28 | const char *xbootldr_path, | |
29 | dev_t xbootldr_devid) { | |
30 | ||
31 | int r; | |
32 | ||
33 | /* If XBOOTLDR and ESP actually refer to the same block device, suppress XBOOTLDR, since it would | |
34 | * find the same entries twice. */ | |
35 | bool same = esp_path && xbootldr_path && devnum_set_and_equal(esp_devid, xbootldr_devid); | |
36 | ||
37 | r = boot_config_load(config, esp_path, same ? NULL : xbootldr_path); | |
38 | if (r < 0) | |
39 | return r; | |
40 | ||
41 | if (!arg_root) { | |
42 | _cleanup_strv_free_ char **efi_entries = NULL; | |
43 | ||
44 | r = efi_loader_get_entries(&efi_entries); | |
45 | if (r == -ENOENT || ERRNO_IS_NOT_SUPPORTED(r)) | |
46 | log_debug_errno(r, "Boot loader reported no entries."); | |
47 | else if (r < 0) | |
48 | log_warning_errno(r, "Failed to determine entries reported by boot loader, ignoring: %m"); | |
49 | else | |
50 | (void) boot_config_augment_from_loader(config, efi_entries, /* only_auto= */ false); | |
51 | } | |
52 | ||
53 | return boot_config_select_special_entries(config, /* skip_efivars= */ !!arg_root); | |
54 | } | |
55 | ||
56 | static int status_entries( | |
57 | const BootConfig *config, | |
58 | const char *esp_path, | |
59 | sd_id128_t esp_partition_uuid, | |
60 | const char *xbootldr_path, | |
61 | sd_id128_t xbootldr_partition_uuid) { | |
62 | ||
63 | sd_id128_t dollar_boot_partition_uuid; | |
64 | const char *dollar_boot_path; | |
65 | int r; | |
66 | ||
67 | assert(config); | |
68 | assert(esp_path || xbootldr_path); | |
69 | ||
70 | if (xbootldr_path) { | |
71 | dollar_boot_path = xbootldr_path; | |
72 | dollar_boot_partition_uuid = xbootldr_partition_uuid; | |
73 | } else { | |
74 | dollar_boot_path = esp_path; | |
75 | dollar_boot_partition_uuid = esp_partition_uuid; | |
76 | } | |
77 | ||
78 | printf("%sBoot Loader Entries:%s\n" | |
79 | " $BOOT: %s", ansi_underline(), ansi_normal(), dollar_boot_path); | |
80 | if (!sd_id128_is_null(dollar_boot_partition_uuid)) | |
81 | printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", | |
82 | SD_ID128_FORMAT_VAL(dollar_boot_partition_uuid)); | |
83 | printf("\n\n"); | |
84 | ||
85 | if (config->default_entry < 0) | |
86 | printf("%zu entries, no entry could be determined as default.\n", config->n_entries); | |
87 | else { | |
88 | printf("%sDefault Boot Loader Entry:%s\n", ansi_underline(), ansi_normal()); | |
89 | ||
90 | r = show_boot_entry( | |
91 | boot_config_default_entry(config), | |
92 | /* show_as_default= */ false, | |
93 | /* show_as_selected= */ false, | |
94 | /* show_discovered= */ false); | |
95 | if (r > 0) | |
96 | /* < 0 is already logged by the function itself, let's just emit an extra warning if | |
97 | the default entry is broken */ | |
98 | printf("\nWARNING: default boot entry is broken\n"); | |
99 | } | |
100 | ||
101 | return 0; | |
102 | } | |
103 | ||
104 | static int print_efi_option(uint16_t id, int *n_printed, bool in_order) { | |
105 | _cleanup_free_ char *title = NULL; | |
106 | _cleanup_free_ char *path = NULL; | |
107 | sd_id128_t partition; | |
108 | bool active; | |
109 | int r; | |
110 | ||
111 | assert(n_printed); | |
112 | ||
113 | r = efi_get_boot_option(id, &title, &partition, &path, &active); | |
114 | if (r == -ENOENT) { | |
115 | log_debug_errno(r, "Boot option 0x%04X referenced but missing, ignoring: %m", id); | |
116 | return 0; | |
117 | } | |
118 | if (r < 0) | |
119 | return log_error_errno(r, "Failed to read boot option 0x%04X: %m", id); | |
120 | ||
121 | /* print only configured entries with partition information */ | |
122 | if (!path || sd_id128_is_null(partition)) { | |
123 | log_debug("Ignoring boot entry 0x%04X without partition information.", id); | |
124 | return 0; | |
125 | } | |
126 | ||
127 | efi_tilt_backslashes(path); | |
128 | ||
129 | if (*n_printed == 0) /* Print section title before first entry */ | |
130 | printf("%sBoot Loaders Listed in EFI Variables:%s\n", ansi_underline(), ansi_normal()); | |
131 | ||
132 | printf(" Title: %s%s%s\n", ansi_highlight(), strna(title), ansi_normal()); | |
133 | printf(" ID: 0x%04X\n", id); | |
134 | printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : ""); | |
135 | printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", | |
136 | SD_ID128_FORMAT_VAL(partition)); | |
137 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path); | |
138 | printf("\n"); | |
139 | ||
140 | (*n_printed)++; | |
141 | return 1; | |
142 | } | |
143 | ||
144 | static int status_variables(void) { | |
145 | _cleanup_free_ uint16_t *options = NULL, *order = NULL; | |
146 | int n_options, n_order, n_printed = 0; | |
147 | ||
148 | n_options = efi_get_boot_options(&options); | |
149 | if (n_options == -ENOENT) | |
150 | return log_error_errno(n_options, | |
151 | "Failed to access EFI variables, efivarfs" | |
152 | " needs to be available at /sys/firmware/efi/efivars/."); | |
153 | if (n_options < 0) | |
154 | return log_error_errno(n_options, "Failed to read EFI boot entries: %m"); | |
155 | ||
156 | n_order = efi_get_boot_order(&order); | |
157 | if (n_order == -ENOENT) | |
158 | n_order = 0; | |
159 | else if (n_order < 0) | |
160 | return log_error_errno(n_order, "Failed to read EFI boot order: %m"); | |
161 | ||
162 | /* print entries in BootOrder first */ | |
163 | for (int i = 0; i < n_order; i++) | |
164 | (void) print_efi_option(order[i], &n_printed, /* in_order= */ true); | |
165 | ||
166 | /* print remaining entries */ | |
167 | for (int i = 0; i < n_options; i++) { | |
168 | for (int j = 0; j < n_order; j++) | |
169 | if (options[i] == order[j]) | |
170 | goto next_option; | |
171 | ||
172 | (void) print_efi_option(options[i], &n_printed, /* in_order= */ false); | |
173 | ||
174 | next_option: | |
175 | continue; | |
176 | } | |
177 | ||
178 | if (n_printed == 0) | |
179 | printf("No boot loaders listed in EFI Variables.\n\n"); | |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
184 | static int enumerate_binaries( | |
185 | const char *esp_path, | |
186 | const char *path, | |
187 | const char *prefix, | |
188 | char **previous, | |
189 | bool *is_first) { | |
190 | ||
191 | _cleanup_closedir_ DIR *d = NULL; | |
192 | _cleanup_free_ char *p = NULL; | |
193 | int c = 0, r; | |
194 | ||
195 | assert(esp_path); | |
196 | assert(path); | |
197 | assert(previous); | |
198 | assert(is_first); | |
199 | ||
200 | r = chase_symlinks_and_opendir(path, esp_path, CHASE_PREFIX_ROOT|CHASE_PROHIBIT_SYMLINKS, &p, &d); | |
201 | if (r == -ENOENT) | |
202 | return 0; | |
203 | if (r < 0) | |
204 | return log_error_errno(r, "Failed to read \"%s/%s\": %m", esp_path, path); | |
205 | ||
206 | FOREACH_DIRENT(de, d, break) { | |
207 | _cleanup_free_ char *v = NULL; | |
254d1313 | 208 | _cleanup_close_ int fd = -EBADF; |
da36788f LP |
209 | |
210 | if (!endswith_no_case(de->d_name, ".efi")) | |
211 | continue; | |
212 | ||
213 | if (prefix && !startswith_no_case(de->d_name, prefix)) | |
214 | continue; | |
215 | ||
216 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); | |
217 | if (fd < 0) | |
218 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); | |
219 | ||
220 | r = get_file_version(fd, &v); | |
221 | if (r < 0) | |
222 | return r; | |
223 | ||
224 | if (*previous) { /* let's output the previous entry now, since now we know that there will be one more, and can draw the tree glyph properly */ | |
225 | printf(" %s %s%s\n", | |
226 | *is_first ? "File:" : " ", | |
227 | special_glyph(SPECIAL_GLYPH_TREE_BRANCH), *previous); | |
228 | *is_first = false; | |
229 | *previous = mfree(*previous); | |
230 | } | |
231 | ||
232 | /* Do not output this entry immediately, but store what should be printed in a state | |
233 | * variable, because we only will know the tree glyph to print (branch or final edge) once we | |
234 | * read one more entry */ | |
235 | if (r > 0) | |
236 | r = asprintf(previous, "/%s/%s (%s%s%s)", path, de->d_name, ansi_highlight(), v, ansi_normal()); | |
237 | else | |
238 | r = asprintf(previous, "/%s/%s", path, de->d_name); | |
239 | if (r < 0) | |
240 | return log_oom(); | |
241 | ||
242 | c++; | |
243 | } | |
244 | ||
245 | return c; | |
246 | } | |
247 | ||
248 | static int status_binaries(const char *esp_path, sd_id128_t partition) { | |
249 | _cleanup_free_ char *last = NULL; | |
250 | bool is_first = true; | |
251 | int r, k; | |
252 | ||
253 | printf("%sAvailable Boot Loaders on ESP:%s\n", ansi_underline(), ansi_normal()); | |
254 | ||
255 | if (!esp_path) { | |
256 | printf(" ESP: Cannot find or access mount point of ESP.\n\n"); | |
257 | return -ENOENT; | |
258 | } | |
259 | ||
260 | printf(" ESP: %s", esp_path); | |
261 | if (!sd_id128_is_null(partition)) | |
262 | printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", SD_ID128_FORMAT_VAL(partition)); | |
263 | printf("\n"); | |
264 | ||
265 | r = enumerate_binaries(esp_path, "EFI/systemd", NULL, &last, &is_first); | |
266 | if (r < 0) { | |
267 | printf("\n"); | |
268 | return r; | |
269 | } | |
270 | ||
271 | k = enumerate_binaries(esp_path, "EFI/BOOT", "boot", &last, &is_first); | |
272 | if (k < 0) { | |
273 | printf("\n"); | |
274 | return k; | |
275 | } | |
276 | ||
277 | if (last) /* let's output the last entry now, since now we know that there will be no more, and can draw the tree glyph properly */ | |
278 | printf(" %s %s%s\n", | |
279 | is_first ? "File:" : " ", | |
280 | special_glyph(SPECIAL_GLYPH_TREE_RIGHT), last); | |
281 | ||
282 | if (r == 0 && !arg_quiet) | |
283 | log_info("systemd-boot not installed in ESP."); | |
284 | if (k == 0 && !arg_quiet) | |
285 | log_info("No default/fallback boot loader installed in ESP."); | |
286 | ||
287 | printf("\n"); | |
288 | return 0; | |
289 | } | |
290 | ||
291 | static void read_efi_var(const char *variable, char **ret) { | |
292 | int r; | |
293 | ||
294 | r = efi_get_variable_string(variable, ret); | |
295 | if (r < 0 && r != -ENOENT) | |
296 | log_warning_errno(r, "Failed to read EFI variable %s: %m", variable); | |
297 | } | |
298 | ||
299 | static void print_yes_no_line(bool first, bool good, const char *name) { | |
300 | printf("%s%s %s\n", | |
301 | first ? " Features: " : " ", | |
302 | COLOR_MARK_BOOL(good), | |
303 | name); | |
304 | } | |
305 | ||
306 | int verb_status(int argc, char *argv[], void *userdata) { | |
307 | sd_id128_t esp_uuid = SD_ID128_NULL, xbootldr_uuid = SD_ID128_NULL; | |
308 | dev_t esp_devid = 0, xbootldr_devid = 0; | |
309 | int r, k; | |
310 | ||
311 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, &esp_uuid, &esp_devid); | |
312 | if (arg_print_esp_path) { | |
313 | if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only | |
314 | * error the find_esp_and_warn() won't log on its own) */ | |
315 | return log_error_errno(r, "Failed to determine ESP location: %m"); | |
316 | if (r < 0) | |
317 | return r; | |
318 | ||
319 | puts(arg_esp_path); | |
320 | } | |
321 | ||
322 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, &xbootldr_uuid, &xbootldr_devid); | |
323 | if (arg_print_dollar_boot_path) { | |
324 | if (r == -EACCES) | |
325 | return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m"); | |
326 | if (r < 0) | |
327 | return r; | |
328 | ||
329 | const char *path = arg_dollar_boot_path(); | |
330 | if (!path) | |
331 | return log_error_errno(SYNTHETIC_ERRNO(EACCES), "Failed to determine XBOOTLDR location: %m"); | |
332 | ||
333 | puts(path); | |
334 | } | |
335 | ||
336 | if (arg_print_esp_path || arg_print_dollar_boot_path) | |
337 | return 0; | |
338 | ||
339 | r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just | |
340 | * show what we can show */ | |
341 | ||
342 | pager_open(arg_pager_flags); | |
343 | ||
344 | if (!arg_root && is_efi_boot()) { | |
345 | static const struct { | |
346 | uint64_t flag; | |
347 | const char *name; | |
348 | } loader_flags[] = { | |
349 | { EFI_LOADER_FEATURE_BOOT_COUNTING, "Boot counting" }, | |
350 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT, "Menu timeout control" }, | |
351 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT, "One-shot menu timeout control" }, | |
352 | { EFI_LOADER_FEATURE_ENTRY_DEFAULT, "Default entry control" }, | |
353 | { EFI_LOADER_FEATURE_ENTRY_ONESHOT, "One-shot entry control" }, | |
354 | { EFI_LOADER_FEATURE_XBOOTLDR, "Support for XBOOTLDR partition" }, | |
355 | { EFI_LOADER_FEATURE_RANDOM_SEED, "Support for passing random seed to OS" }, | |
356 | { EFI_LOADER_FEATURE_LOAD_DRIVER, "Load drop-in drivers" }, | |
357 | { EFI_LOADER_FEATURE_SORT_KEY, "Support Type #1 sort-key field" }, | |
358 | { EFI_LOADER_FEATURE_SAVED_ENTRY, "Support @saved pseudo-entry" }, | |
359 | { EFI_LOADER_FEATURE_DEVICETREE, "Support Type #1 devicetree field" }, | |
360 | }; | |
361 | static const struct { | |
362 | uint64_t flag; | |
363 | const char *name; | |
364 | } stub_flags[] = { | |
365 | { EFI_STUB_FEATURE_REPORT_BOOT_PARTITION, "Stub sets ESP information" }, | |
366 | { EFI_STUB_FEATURE_PICK_UP_CREDENTIALS, "Picks up credentials from boot partition" }, | |
367 | { EFI_STUB_FEATURE_PICK_UP_SYSEXTS, "Picks up system extension images from boot partition" }, | |
368 | { EFI_STUB_FEATURE_THREE_PCRS, "Measures kernel+command line+sysexts" }, | |
369 | { EFI_STUB_FEATURE_RANDOM_SEED, "Support for passing random seed to OS" }, | |
370 | }; | |
371 | _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL; | |
372 | sd_id128_t loader_part_uuid = SD_ID128_NULL; | |
373 | uint64_t loader_features = 0, stub_features = 0; | |
374 | Tpm2Support s; | |
375 | int have; | |
376 | ||
377 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareType), &fw_type); | |
378 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareInfo), &fw_info); | |
379 | read_efi_var(EFI_LOADER_VARIABLE(LoaderInfo), &loader); | |
380 | read_efi_var(EFI_LOADER_VARIABLE(StubInfo), &stub); | |
381 | read_efi_var(EFI_LOADER_VARIABLE(LoaderImageIdentifier), &loader_path); | |
382 | (void) efi_loader_get_features(&loader_features); | |
383 | (void) efi_stub_get_features(&stub_features); | |
384 | ||
385 | if (loader_path) | |
386 | efi_tilt_backslashes(loader_path); | |
387 | ||
388 | k = efi_loader_get_device_part_uuid(&loader_part_uuid); | |
389 | if (k < 0 && k != -ENOENT) | |
390 | r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m"); | |
391 | ||
392 | SecureBootMode secure = efi_get_secure_boot_mode(); | |
393 | printf("%sSystem:%s\n", ansi_underline(), ansi_normal()); | |
394 | printf(" Firmware: %s%s (%s)%s\n", ansi_highlight(), strna(fw_type), strna(fw_info), ansi_normal()); | |
395 | printf(" Firmware Arch: %s\n", get_efi_arch()); | |
396 | printf(" Secure Boot: %sd (%s)\n", | |
397 | enable_disable(IN_SET(secure, SECURE_BOOT_USER, SECURE_BOOT_DEPLOYED)), | |
398 | secure_boot_mode_to_string(secure)); | |
399 | ||
400 | s = tpm2_support(); | |
401 | printf(" TPM2 Support: %s%s%s\n", | |
402 | FLAGS_SET(s, TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER) ? ansi_highlight_green() : | |
403 | (s & (TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER)) != 0 ? ansi_highlight_red() : ansi_highlight_yellow(), | |
404 | FLAGS_SET(s, TPM2_SUPPORT_FIRMWARE|TPM2_SUPPORT_DRIVER) ? "yes" : | |
405 | (s & TPM2_SUPPORT_FIRMWARE) ? "firmware only, driver unavailable" : | |
406 | (s & TPM2_SUPPORT_DRIVER) ? "driver only, firmware unavailable" : "no", | |
407 | ansi_normal()); | |
408 | ||
409 | k = efi_get_reboot_to_firmware(); | |
410 | if (k > 0) | |
411 | printf(" Boot into FW: %sactive%s\n", ansi_highlight_yellow(), ansi_normal()); | |
412 | else if (k == 0) | |
413 | printf(" Boot into FW: supported\n"); | |
414 | else if (k == -EOPNOTSUPP) | |
415 | printf(" Boot into FW: not supported\n"); | |
416 | else { | |
417 | errno = -k; | |
418 | printf(" Boot into FW: %sfailed%s (%m)\n", ansi_highlight_red(), ansi_normal()); | |
419 | } | |
420 | printf("\n"); | |
421 | ||
422 | printf("%sCurrent Boot Loader:%s\n", ansi_underline(), ansi_normal()); | |
423 | printf(" Product: %s%s%s\n", ansi_highlight(), strna(loader), ansi_normal()); | |
424 | ||
425 | for (size_t i = 0; i < ELEMENTSOF(loader_flags); i++) | |
426 | print_yes_no_line(i == 0, FLAGS_SET(loader_features, loader_flags[i].flag), loader_flags[i].name); | |
427 | ||
428 | sd_id128_t bootloader_esp_uuid; | |
429 | bool have_bootloader_esp_uuid = efi_loader_get_device_part_uuid(&bootloader_esp_uuid) >= 0; | |
430 | ||
431 | print_yes_no_line(false, have_bootloader_esp_uuid, "Boot loader sets ESP information"); | |
432 | if (have_bootloader_esp_uuid && !sd_id128_is_null(esp_uuid) && | |
433 | !sd_id128_equal(esp_uuid, bootloader_esp_uuid)) | |
434 | printf("WARNING: The boot loader reports a different ESP UUID than detected ("SD_ID128_UUID_FORMAT_STR" vs. "SD_ID128_UUID_FORMAT_STR")!\n", | |
435 | SD_ID128_FORMAT_VAL(bootloader_esp_uuid), | |
436 | SD_ID128_FORMAT_VAL(esp_uuid)); | |
437 | ||
438 | if (stub) { | |
439 | printf(" Stub: %s\n", stub); | |
440 | for (size_t i = 0; i < ELEMENTSOF(stub_flags); i++) | |
441 | print_yes_no_line(i == 0, FLAGS_SET(stub_features, stub_flags[i].flag), stub_flags[i].name); | |
442 | } | |
443 | if (!sd_id128_is_null(loader_part_uuid)) | |
444 | printf(" ESP: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", | |
445 | SD_ID128_FORMAT_VAL(loader_part_uuid)); | |
446 | else | |
447 | printf(" ESP: n/a\n"); | |
448 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path)); | |
449 | printf("\n"); | |
450 | ||
451 | printf("%sRandom Seed:%s\n", ansi_underline(), ansi_normal()); | |
452 | have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderSystemToken)), F_OK) >= 0; | |
453 | printf(" System Token: %s\n", have ? "set" : "not set"); | |
454 | ||
455 | if (arg_esp_path) { | |
456 | _cleanup_free_ char *p = NULL; | |
457 | ||
458 | p = path_join(arg_esp_path, "/loader/random-seed"); | |
459 | if (!p) | |
460 | return log_oom(); | |
461 | ||
462 | have = access(p, F_OK) >= 0; | |
463 | printf(" Exists: %s\n", yes_no(have)); | |
464 | } | |
465 | ||
466 | printf("\n"); | |
467 | } else | |
468 | printf("%sSystem:%s\n" | |
469 | "Not booted with EFI\n\n", | |
470 | ansi_underline(), ansi_normal()); | |
471 | ||
472 | if (arg_esp_path) { | |
473 | k = status_binaries(arg_esp_path, esp_uuid); | |
474 | if (k < 0) | |
475 | r = k; | |
476 | } | |
477 | ||
478 | if (!arg_root && is_efi_boot()) { | |
479 | k = status_variables(); | |
480 | if (k < 0) | |
481 | r = k; | |
482 | } | |
483 | ||
484 | if (arg_esp_path || arg_xbootldr_path) { | |
485 | _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL; | |
486 | ||
487 | k = boot_config_load_and_select(&config, | |
488 | arg_esp_path, esp_devid, | |
489 | arg_xbootldr_path, xbootldr_devid); | |
490 | if (k < 0) | |
491 | r = k; | |
492 | else { | |
493 | k = status_entries(&config, | |
494 | arg_esp_path, esp_uuid, | |
495 | arg_xbootldr_path, xbootldr_uuid); | |
496 | if (k < 0) | |
497 | r = k; | |
498 | } | |
499 | } | |
500 | ||
501 | return r; | |
502 | } | |
503 | ||
504 | int verb_list(int argc, char *argv[], void *userdata) { | |
505 | _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL; | |
506 | dev_t esp_devid = 0, xbootldr_devid = 0; | |
507 | int r; | |
508 | ||
509 | /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two | |
510 | * things: turn off logging about access errors and turn off potentially privileged device probing. | |
511 | * Here we're interested in the latter but not the former, hence request the mode, and log about | |
512 | * EACCES. */ | |
513 | ||
514 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, NULL, &esp_devid); | |
515 | if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */ | |
516 | return log_error_errno(r, "Failed to determine ESP location: %m"); | |
517 | if (r < 0) | |
518 | return r; | |
519 | ||
520 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, NULL, &xbootldr_devid); | |
521 | if (r == -EACCES) | |
522 | return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m"); | |
523 | if (r < 0) | |
524 | return r; | |
525 | ||
526 | r = boot_config_load_and_select(&config, arg_esp_path, esp_devid, arg_xbootldr_path, xbootldr_devid); | |
527 | if (r < 0) | |
528 | return r; | |
529 | ||
530 | if (config.n_entries == 0 && FLAGS_SET(arg_json_format_flags, JSON_FORMAT_OFF)) { | |
531 | log_info("No boot loader entries found."); | |
532 | return 0; | |
533 | } | |
534 | ||
535 | pager_open(arg_pager_flags); | |
536 | return show_boot_entries(&config, arg_json_format_flags); | |
537 | } |