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