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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> |
3f6fd1ba LP |
5 | #include <getopt.h> |
6 | #include <limits.h> | |
5fa6c13c | 7 | #include <linux/magic.h> |
0974a682 | 8 | #include <stdbool.h> |
3f6fd1ba | 9 | #include <stdlib.h> |
3f6fd1ba | 10 | #include <sys/mman.h> |
3f6fd1ba | 11 | #include <unistd.h> |
7b4d7cc0 | 12 | |
dccca82b LP |
13 | #include "sd-id128.h" |
14 | ||
b5efdb8a | 15 | #include "alloc-util.h" |
3f6fd1ba | 16 | #include "blkid-util.h" |
7e87c7d9 | 17 | #include "bootspec.h" |
175d308c | 18 | #include "copy.h" |
e41256dc | 19 | #include "dirent-util.h" |
0bb2f0f1 | 20 | #include "efi-loader.h" |
0974a682 | 21 | #include "efivars.h" |
e44c3229 | 22 | #include "env-util.h" |
9dae4c8a | 23 | #include "escape.h" |
3ffd4af2 | 24 | #include "fd-util.h" |
0d39fa9c | 25 | #include "fileio.h" |
175d308c | 26 | #include "fs-util.h" |
d8e32c47 | 27 | #include "glyph-util.h" |
608f8ec9 | 28 | #include "main-func.h" |
a4a55e9a | 29 | #include "mkdir.h" |
57db6f18 | 30 | #include "pager.h" |
6a3fff75 | 31 | #include "parse-argument.h" |
2f2c539c | 32 | #include "parse-util.h" |
294bf0c3 | 33 | #include "pretty-print.h" |
e44c3229 | 34 | #include "random-util.h" |
c6878637 | 35 | #include "rm-rf.h" |
175d308c | 36 | #include "stat-util.h" |
341890de | 37 | #include "stdio-util.h" |
07630cea | 38 | #include "string-util.h" |
2f2c539c | 39 | #include "strv.h" |
bf819d3a | 40 | #include "sync-util.h" |
7e87c7d9 | 41 | #include "terminal-util.h" |
e4de7287 | 42 | #include "tmpfile-util.h" |
2f2c539c | 43 | #include "umask-util.h" |
d88c96ff | 44 | #include "utf8.h" |
3f6fd1ba | 45 | #include "util.h" |
2f2c539c LP |
46 | #include "verbs.h" |
47 | #include "virt.h" | |
7b4d7cc0 | 48 | |
fbf45d22 LP |
49 | static char *arg_esp_path = NULL; |
50 | static char *arg_xbootldr_path = NULL; | |
51 | static bool arg_print_esp_path = false; | |
52 | static bool arg_print_dollar_boot_path = false; | |
25579a43 | 53 | static bool arg_touch_variables = true; |
0221d68a | 54 | static PagerFlags arg_pager_flags = 0; |
351de38e | 55 | static bool arg_graceful = false; |
6a3fff75 | 56 | static int arg_make_machine_id_directory = -1; |
25579a43 | 57 | |
fbf45d22 LP |
58 | STATIC_DESTRUCTOR_REGISTER(arg_esp_path, freep); |
59 | STATIC_DESTRUCTOR_REGISTER(arg_xbootldr_path, freep); | |
60 | ||
61 | static const char *arg_dollar_boot_path(void) { | |
62 | /* $BOOT shall be the XBOOTLDR partition if it exists, and otherwise the ESP */ | |
63 | return arg_xbootldr_path ?: arg_esp_path; | |
64 | } | |
608f8ec9 | 65 | |
5caa3167 LP |
66 | static int acquire_esp( |
67 | bool unprivileged_mode, | |
e5a8b4b5 | 68 | bool graceful, |
5caa3167 LP |
69 | uint32_t *ret_part, |
70 | uint64_t *ret_pstart, | |
71 | uint64_t *ret_psize, | |
72 | sd_id128_t *ret_uuid) { | |
73 | ||
74 | char *np; | |
2f2c539c LP |
75 | int r; |
76 | ||
fbf45d22 LP |
77 | /* Find the ESP, and log about errors. Note that find_esp_and_warn() will log in all error cases on |
78 | * its own, except for ENOKEY (which is good, we want to show our own message in that case, | |
79 | * suggesting use of --esp-path=) and EACCESS (only when we request unprivileged mode; in this case | |
80 | * we simply eat up the error here, so that --list and --status work too, without noise about | |
81 | * this). */ | |
5caa3167 | 82 | |
fbf45d22 | 83 | r = find_esp_and_warn(arg_esp_path, unprivileged_mode, &np, ret_part, ret_pstart, ret_psize, ret_uuid); |
e5a8b4b5 LP |
84 | if (r == -ENOKEY) { |
85 | if (graceful) | |
86 | return log_info_errno(r, "Couldn't find EFI system partition, skipping."); | |
87 | ||
af918182 | 88 | return log_error_errno(r, |
5caa3167 | 89 | "Couldn't find EFI system partition. It is recommended to mount it to /boot or /efi.\n" |
fbf45d22 | 90 | "Alternatively, use --esp-path= to specify path to mount point."); |
e5a8b4b5 | 91 | } |
5caa3167 LP |
92 | if (r < 0) |
93 | return r; | |
94 | ||
fbf45d22 LP |
95 | free_and_replace(arg_esp_path, np); |
96 | log_debug("Using EFI System Partition at %s.", arg_esp_path); | |
97 | ||
98 | return 1; | |
99 | } | |
0974a682 | 100 | |
fbf45d22 LP |
101 | static int acquire_xbootldr(bool unprivileged_mode, sd_id128_t *ret_uuid) { |
102 | char *np; | |
103 | int r; | |
5caa3167 | 104 | |
fbf45d22 LP |
105 | r = find_xbootldr_and_warn(arg_xbootldr_path, unprivileged_mode, &np, ret_uuid); |
106 | if (r == -ENOKEY) { | |
107 | log_debug_errno(r, "Didn't find an XBOOTLDR partition, using the ESP as $BOOT."); | |
108 | if (ret_uuid) | |
109 | *ret_uuid = SD_ID128_NULL; | |
a2ae0d49 | 110 | arg_xbootldr_path = mfree(arg_xbootldr_path); |
fbf45d22 LP |
111 | return 0; |
112 | } | |
113 | if (r < 0) | |
114 | return r; | |
115 | ||
116 | free_and_replace(arg_xbootldr_path, np); | |
117 | log_debug("Using XBOOTLDR partition at %s as $BOOT.", arg_xbootldr_path); | |
118 | ||
119 | return 1; | |
7b4d7cc0 KS |
120 | } |
121 | ||
6a3fff75 | 122 | static void settle_make_machine_id_directory(void) { |
123 | int r; | |
124 | ||
125 | if (arg_make_machine_id_directory >= 0) | |
126 | return; | |
127 | ||
128 | r = path_is_temporary_fs("/etc/machine-id"); | |
129 | if (r < 0) | |
130 | log_debug_errno(r, "Couldn't determine whether /etc/machine-id is on a temporary file system, assuming so."); | |
131 | ||
132 | arg_make_machine_id_directory = r == 0; | |
133 | } | |
134 | ||
e7dd673d | 135 | /* search for "#### LoaderInfo: systemd-boot 218 ####" string inside the binary */ |
d3226d77 | 136 | static int get_file_version(int fd, char **v) { |
0974a682 KS |
137 | struct stat st; |
138 | char *buf; | |
139 | const char *s, *e; | |
140 | char *x = NULL; | |
c53aafb7 | 141 | int r; |
7b4d7cc0 | 142 | |
d3226d77 | 143 | assert(fd >= 0); |
0974a682 | 144 | assert(v); |
7b4d7cc0 | 145 | |
d3226d77 | 146 | if (fstat(fd, &st) < 0) |
db6d9fae | 147 | return log_error_errno(errno, "Failed to stat EFI binary: %m"); |
7b4d7cc0 | 148 | |
c4ba5b51 LP |
149 | r = stat_verify_regular(&st); |
150 | if (r < 0) | |
d90f2add | 151 | return log_error_errno(r, "EFI binary is not a regular file: %m"); |
c4ba5b51 | 152 | |
db6d9fae LP |
153 | if (st.st_size < 27) { |
154 | *v = NULL; | |
0974a682 | 155 | return 0; |
db6d9fae | 156 | } |
eb9da376 | 157 | |
d3226d77 | 158 | buf = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); |
0974a682 | 159 | if (buf == MAP_FAILED) |
db6d9fae | 160 | return log_error_errno(errno, "Failed to memory map EFI binary: %m"); |
7b4d7cc0 | 161 | |
d8782cc5 | 162 | s = mempmem_safe(buf, st.st_size - 8, "#### LoaderInfo: ", 17); |
0974a682 KS |
163 | if (!s) |
164 | goto finish; | |
7b4d7cc0 | 165 | |
e8b08edc | 166 | e = memmem_safe(s, st.st_size - (s - buf), " ####", 5); |
0974a682 | 167 | if (!e || e - s < 3) { |
78d5d4ed | 168 | r = log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Malformed version string."); |
0974a682 KS |
169 | goto finish; |
170 | } | |
7b4d7cc0 | 171 | |
0974a682 KS |
172 | x = strndup(s, e - s); |
173 | if (!x) { | |
d3226d77 | 174 | r = log_oom(); |
0974a682 KS |
175 | goto finish; |
176 | } | |
177 | r = 1; | |
7b4d7cc0 | 178 | |
0974a682 | 179 | finish: |
db6d9fae | 180 | (void) munmap(buf, st.st_size); |
0974a682 KS |
181 | *v = x; |
182 | return r; | |
183 | } | |
7b4d7cc0 | 184 | |
0974a682 | 185 | static int enumerate_binaries(const char *esp_path, const char *path, const char *prefix) { |
d3226d77 | 186 | _cleanup_closedir_ DIR *d = NULL; |
270384b2 | 187 | const char *p; |
fbf45d22 | 188 | int c = 0, r; |
fbf45d22 LP |
189 | |
190 | assert(esp_path); | |
191 | assert(path); | |
0974a682 | 192 | |
270384b2 | 193 | p = prefix_roota(esp_path, path); |
0974a682 KS |
194 | d = opendir(p); |
195 | if (!d) { | |
d3226d77 ZJS |
196 | if (errno == ENOENT) |
197 | return 0; | |
7b4d7cc0 | 198 | |
d3226d77 | 199 | return log_error_errno(errno, "Failed to read \"%s\": %m", p); |
0974a682 KS |
200 | } |
201 | ||
e41256dc | 202 | FOREACH_DIRENT(de, d, break) { |
d3226d77 | 203 | _cleanup_free_ char *v = NULL; |
fbf45d22 | 204 | _cleanup_close_ int fd = -1; |
0974a682 | 205 | |
d3226d77 | 206 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
207 | continue; |
208 | ||
d3226d77 | 209 | if (prefix && !startswith_no_case(de->d_name, prefix)) |
0974a682 KS |
210 | continue; |
211 | ||
d3226d77 ZJS |
212 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
213 | if (fd < 0) | |
214 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); | |
0974a682 | 215 | |
d3226d77 | 216 | r = get_file_version(fd, &v); |
0974a682 | 217 | if (r < 0) |
d3226d77 | 218 | return r; |
0974a682 | 219 | if (r > 0) |
9a6f746f | 220 | 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 | 221 | else |
9a6f746f | 222 | printf(" File: %s/%s/%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path, de->d_name); |
fbf45d22 | 223 | |
0974a682 | 224 | c++; |
0974a682 KS |
225 | } |
226 | ||
d3226d77 | 227 | return c; |
7b4d7cc0 KS |
228 | } |
229 | ||
0974a682 KS |
230 | static int status_binaries(const char *esp_path, sd_id128_t partition) { |
231 | int r; | |
232 | ||
7fd66f3c | 233 | printf("Available Boot Loaders on ESP:\n"); |
0974a682 | 234 | |
cd2d4c7f YW |
235 | if (!esp_path) { |
236 | printf(" ESP: Cannot find or access mount point of ESP.\n\n"); | |
237 | return -ENOENT; | |
238 | } | |
239 | ||
240 | printf(" ESP: %s", esp_path); | |
241 | if (!sd_id128_is_null(partition)) | |
bd44566c | 242 | printf(" (/dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR ")", SD_ID128_FORMAT_VAL(partition)); |
cd2d4c7f | 243 | printf("\n"); |
0974a682 KS |
244 | |
245 | r = enumerate_binaries(esp_path, "EFI/systemd", NULL); | |
fbf45d22 | 246 | if (r < 0) |
882b3bd6 | 247 | goto finish; |
0974a682 | 248 | if (r == 0) |
48184e43 | 249 | log_info("systemd-boot not installed in ESP."); |
0974a682 | 250 | |
00f69504 | 251 | r = enumerate_binaries(esp_path, "EFI/BOOT", "boot"); |
fbf45d22 | 252 | if (r < 0) |
882b3bd6 | 253 | goto finish; |
0974a682 | 254 | if (r == 0) |
48184e43 | 255 | log_info("No default/fallback boot loader installed in ESP."); |
0974a682 | 256 | |
882b3bd6 | 257 | r = 0; |
c11ae0ba | 258 | |
882b3bd6 LP |
259 | finish: |
260 | printf("\n"); | |
261 | return r; | |
0974a682 KS |
262 | } |
263 | ||
264 | static int print_efi_option(uint16_t id, bool in_order) { | |
7cb0f263 TA |
265 | _cleanup_free_ char *title = NULL; |
266 | _cleanup_free_ char *path = NULL; | |
0974a682 KS |
267 | sd_id128_t partition; |
268 | bool active; | |
c53aafb7 | 269 | int r; |
0974a682 KS |
270 | |
271 | r = efi_get_boot_option(id, &title, &partition, &path, &active); | |
272 | if (r < 0) | |
7cb0f263 | 273 | return r; |
7b4d7cc0 | 274 | |
0974a682 | 275 | /* print only configured entries with partition information */ |
3bbaff3e | 276 | if (!path || sd_id128_is_null(partition)) |
0974a682 KS |
277 | return 0; |
278 | ||
279 | efi_tilt_backslashes(path); | |
280 | ||
ba857253 | 281 | printf(" Title: %s%s%s\n", ansi_highlight(), strna(title), ansi_normal()); |
0974a682 KS |
282 | printf(" ID: 0x%04X\n", id); |
283 | printf(" Status: %sactive%s\n", active ? "" : "in", in_order ? ", boot-order" : ""); | |
bd44566c ZJS |
284 | printf(" Partition: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", |
285 | SD_ID128_FORMAT_VAL(partition)); | |
9a6f746f | 286 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), path); |
0974a682 KS |
287 | printf("\n"); |
288 | ||
7cb0f263 | 289 | return 0; |
0974a682 KS |
290 | } |
291 | ||
292 | static int status_variables(void) { | |
d3226d77 | 293 | _cleanup_free_ uint16_t *options = NULL, *order = NULL; |
c67bd42b | 294 | int n_options, n_order; |
0974a682 | 295 | |
0974a682 | 296 | n_options = efi_get_boot_options(&options); |
d3226d77 | 297 | if (n_options == -ENOENT) |
f939cff7 LP |
298 | return log_error_errno(n_options, |
299 | "Failed to access EFI variables, efivarfs" | |
d3226d77 | 300 | " needs to be available at /sys/firmware/efi/efivars/."); |
f939cff7 | 301 | if (n_options < 0) |
d3226d77 | 302 | return log_error_errno(n_options, "Failed to read EFI boot entries: %m"); |
0974a682 | 303 | |
0974a682 | 304 | n_order = efi_get_boot_order(&order); |
d3226d77 | 305 | if (n_order == -ENOENT) |
0974a682 | 306 | n_order = 0; |
d3226d77 | 307 | else if (n_order < 0) |
7709ef3a | 308 | return log_error_errno(n_order, "Failed to read EFI boot order: %m"); |
0974a682 KS |
309 | |
310 | /* print entries in BootOrder first */ | |
7fd66f3c | 311 | printf("Boot Loaders Listed in EFI Variables:\n"); |
c67bd42b | 312 | for (int i = 0; i < n_order; i++) |
0974a682 KS |
313 | print_efi_option(order[i], true); |
314 | ||
315 | /* print remaining entries */ | |
c67bd42b ZJS |
316 | for (int i = 0; i < n_options; i++) { |
317 | for (int j = 0; j < n_order; j++) | |
d3226d77 | 318 | if (options[i] == order[j]) |
a908cf0a | 319 | goto next_option; |
0974a682 KS |
320 | |
321 | print_efi_option(options[i], false); | |
a908cf0a MM |
322 | |
323 | next_option: | |
324 | continue; | |
0974a682 KS |
325 | } |
326 | ||
d3226d77 | 327 | return 0; |
0974a682 KS |
328 | } |
329 | ||
44e6a5ef | 330 | static int boot_entry_file_check(const char *root, const char *p) { |
c2b2df60 | 331 | _cleanup_free_ char *path = NULL; |
44e6a5ef ZJS |
332 | |
333 | path = path_join(root, p); | |
334 | if (!path) | |
335 | return log_oom(); | |
336 | ||
7c248223 | 337 | return RET_NERRNO(access(path, F_OK)); |
44e6a5ef ZJS |
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 | 502 | if (r == 0) |
e5a8b4b5 | 503 | return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE), |
baaa35ad ZJS |
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 | 510 | if (r == 0 || compare_product(a, b) != 0) |
e5a8b4b5 | 511 | return log_notice_errno(SYNTHETIC_ERRNO(EREMOTE), |
baaa35ad ZJS |
512 | "Skipping \"%s\", since it's owned by another boot loader.", |
513 | to); | |
0974a682 | 514 | |
e5a8b4b5 LP |
515 | r = compare_version(a, b); |
516 | if (r < 0) | |
517 | return log_warning_errno(SYNTHETIC_ERRNO(ESTALE), "Skipping \"%s\", since newer boot loader version in place already.", to); | |
518 | else if (r == 0) | |
519 | return log_info_errno(SYNTHETIC_ERRNO(ESTALE), "Skipping \"%s\", since same boot loader version in place already.", to); | |
0974a682 | 520 | |
d3226d77 | 521 | return 0; |
0974a682 KS |
522 | } |
523 | ||
175d308c LP |
524 | static int copy_file_with_version_check(const char *from, const char *to, bool force) { |
525 | _cleanup_close_ int fd_from = -1, fd_to = -1; | |
526 | _cleanup_free_ char *t = NULL; | |
0974a682 | 527 | int r; |
0974a682 | 528 | |
175d308c LP |
529 | fd_from = open(from, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
530 | if (fd_from < 0) | |
d3226d77 | 531 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", from); |
0974a682 KS |
532 | |
533 | if (!force) { | |
175d308c LP |
534 | fd_to = open(to, O_RDONLY|O_CLOEXEC|O_NOCTTY); |
535 | if (fd_to < 0) { | |
6b8664cb | 536 | if (errno != ENOENT) |
175d308c LP |
537 | return log_error_errno(errno, "Failed to open \"%s\" for reading: %m", to); |
538 | } else { | |
539 | r = version_check(fd_from, from, fd_to, to); | |
540 | if (r < 0) | |
541 | return r; | |
542 | ||
543 | if (lseek(fd_from, 0, SEEK_SET) == (off_t) -1) | |
6719ca72 | 544 | return log_error_errno(errno, "Failed to seek in \"%s\": %m", from); |
175d308c LP |
545 | |
546 | fd_to = safe_close(fd_to); | |
0974a682 | 547 | } |
175d308c | 548 | } |
d3226d77 | 549 | |
175d308c LP |
550 | r = tempfn_random(to, NULL, &t); |
551 | if (r < 0) | |
552 | return log_oom(); | |
0974a682 | 553 | |
175d308c LP |
554 | RUN_WITH_UMASK(0000) { |
555 | fd_to = open(t, O_WRONLY|O_CREAT|O_CLOEXEC|O_EXCL|O_NOFOLLOW, 0644); | |
556 | if (fd_to < 0) | |
557 | return log_error_errno(errno, "Failed to open \"%s\" for writing: %m", t); | |
0974a682 KS |
558 | } |
559 | ||
f5fbe71d | 560 | r = copy_bytes(fd_from, fd_to, UINT64_MAX, COPY_REFLINK); |
0974a682 | 561 | if (r < 0) { |
0675e94a AJ |
562 | (void) unlink(t); |
563 | return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); | |
0974a682 KS |
564 | } |
565 | ||
adc6f43b | 566 | (void) copy_times(fd_from, fd_to, 0); |
0974a682 | 567 | |
bf819d3a LP |
568 | r = fsync_full(fd_to); |
569 | if (r < 0) { | |
0675e94a | 570 | (void) unlink_noerrno(t); |
bf819d3a | 571 | return log_error_errno(r, "Failed to copy data from \"%s\" to \"%s\": %m", from, t); |
0675e94a AJ |
572 | } |
573 | ||
b1c05b98 | 574 | if (renameat(AT_FDCWD, t, AT_FDCWD, to) < 0) { |
175d308c LP |
575 | (void) unlink_noerrno(t); |
576 | return log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", t, to); | |
0974a682 KS |
577 | } |
578 | ||
d3226d77 | 579 | log_info("Copied \"%s\" to \"%s\".", from, to); |
0974a682 | 580 | |
175d308c | 581 | return 0; |
0974a682 KS |
582 | } |
583 | ||
0974a682 | 584 | static int mkdir_one(const char *prefix, const char *suffix) { |
e2600fd5 | 585 | _cleanup_free_ char *p = NULL; |
0974a682 | 586 | |
e2600fd5 | 587 | p = path_join(prefix, suffix); |
0974a682 | 588 | if (mkdir(p, 0700) < 0) { |
d3226d77 ZJS |
589 | if (errno != EEXIST) |
590 | return log_error_errno(errno, "Failed to create \"%s\": %m", p); | |
0974a682 | 591 | } else |
d3226d77 | 592 | log_info("Created \"%s\".", p); |
7b4d7cc0 | 593 | |
0974a682 KS |
594 | return 0; |
595 | } | |
596 | ||
fbf45d22 | 597 | static const char *const esp_subdirs[] = { |
e44c3229 | 598 | /* The directories to place in the ESP */ |
d3226d77 ZJS |
599 | "EFI", |
600 | "EFI/systemd", | |
00f69504 | 601 | "EFI/BOOT", |
d3226d77 | 602 | "loader", |
9ee051b9 | 603 | NULL |
d3226d77 ZJS |
604 | }; |
605 | ||
e44c3229 LP |
606 | static const char *const dollar_boot_subdirs[] = { |
607 | /* The directories to place in the XBOOTLDR partition or the ESP, depending what exists */ | |
608 | "loader", | |
609 | "loader/entries", /* Type #1 entries */ | |
610 | "EFI", | |
611 | "EFI/Linux", /* Type #2 entries */ | |
612 | NULL | |
613 | }; | |
614 | ||
615 | static int create_subdirs(const char *root, const char * const *subdirs) { | |
fbf45d22 | 616 | const char *const *i; |
0974a682 KS |
617 | int r; |
618 | ||
e44c3229 LP |
619 | STRV_FOREACH(i, subdirs) { |
620 | r = mkdir_one(root, *i); | |
d3226d77 ZJS |
621 | if (r < 0) |
622 | return r; | |
623 | } | |
7b4d7cc0 | 624 | |
7b4d7cc0 | 625 | return 0; |
7b4d7cc0 KS |
626 | } |
627 | ||
0974a682 | 628 | static int copy_one_file(const char *esp_path, const char *name, bool force) { |
5509f912 | 629 | const char *e; |
12caf727 | 630 | char *p, *q, *dest_name, *s; |
0974a682 KS |
631 | int r; |
632 | ||
12caf727 ДГ |
633 | dest_name = strdupa_safe(name); |
634 | s = endswith_no_case(dest_name, ".signed"); | |
635 | if (s) | |
636 | *s = 0; | |
637 | ||
d3226d77 | 638 | p = strjoina(BOOTLIBDIR "/", name); |
12caf727 | 639 | q = strjoina(esp_path, "/EFI/systemd/", dest_name); |
175d308c | 640 | r = copy_file_with_version_check(p, q, force); |
0974a682 | 641 | |
12caf727 | 642 | e = startswith(dest_name, "systemd-boot"); |
5509f912 | 643 | if (e) { |
0974a682 | 644 | int k; |
d3226d77 | 645 | char *v; |
0974a682 KS |
646 | |
647 | /* Create the EFI default boot loader name (specified for removable devices) */ | |
5509f912 | 648 | v = strjoina(esp_path, "/EFI/BOOT/BOOT", e); |
846b8fc3 | 649 | ascii_strupper(strrchr(v, '/') + 1); |
0974a682 | 650 | |
175d308c | 651 | k = copy_file_with_version_check(p, v, force); |
0974a682 | 652 | if (k < 0 && r == 0) |
d3226d77 | 653 | r = k; |
0974a682 KS |
654 | } |
655 | ||
656 | return r; | |
7b4d7cc0 KS |
657 | } |
658 | ||
0974a682 | 659 | static int install_binaries(const char *esp_path, bool force) { |
d3226d77 | 660 | _cleanup_closedir_ DIR *d = NULL; |
0974a682 KS |
661 | int r = 0; |
662 | ||
e7dd673d | 663 | d = opendir(BOOTLIBDIR); |
d3226d77 ZJS |
664 | if (!d) |
665 | return log_error_errno(errno, "Failed to open \""BOOTLIBDIR"\": %m"); | |
0974a682 | 666 | |
0d73a816 | 667 | FOREACH_DIRENT(de, d, return log_error_errno(errno, "Failed to read \""BOOTLIBDIR"\": %m")) { |
0974a682 KS |
668 | int k; |
669 | ||
12caf727 | 670 | if (!endswith_no_case(de->d_name, ".efi") && !endswith_no_case(de->d_name, ".efi.signed")) |
0974a682 KS |
671 | continue; |
672 | ||
12caf727 ДГ |
673 | /* skip the .efi file, if there's a .signed version of it */ |
674 | if (endswith_no_case(de->d_name, ".efi")) { | |
675 | _cleanup_free_ const char *s = strjoin(BOOTLIBDIR, "/", de->d_name, ".signed"); | |
676 | if (!s) | |
677 | return log_oom(); | |
678 | if (access(s, F_OK) >= 0) | |
679 | continue; | |
680 | } | |
681 | ||
0974a682 | 682 | k = copy_one_file(esp_path, de->d_name, force); |
e5a8b4b5 LP |
683 | /* Don't propagate an error code if no update necessary, installed version already equal or |
684 | * newer version, or other boot loader in place. */ | |
685 | if (arg_graceful && IN_SET(k, -ESTALE, -EREMOTE)) | |
686 | continue; | |
0974a682 KS |
687 | if (k < 0 && r == 0) |
688 | r = k; | |
689 | } | |
690 | ||
0974a682 | 691 | return r; |
7b4d7cc0 KS |
692 | } |
693 | ||
b461576d | 694 | static bool same_entry(uint16_t id, sd_id128_t uuid, const char *path) { |
d3226d77 | 695 | _cleanup_free_ char *opath = NULL; |
0974a682 | 696 | sd_id128_t ouuid; |
d3226d77 | 697 | int r; |
7b4d7cc0 | 698 | |
d3226d77 ZJS |
699 | r = efi_get_boot_option(id, NULL, &ouuid, &opath, NULL); |
700 | if (r < 0) | |
0974a682 KS |
701 | return false; |
702 | if (!sd_id128_equal(uuid, ouuid)) | |
d3226d77 | 703 | return false; |
5c2e5957 | 704 | |
705 | /* Some motherboards convert the path to uppercase under certain circumstances | |
706 | * (e.g. after booting into the Boot Menu in the ASUS ROG STRIX B350-F GAMING), | |
707 | * so use case-insensitive checking */ | |
708 | if (!strcaseeq_ptr(path, opath)) | |
d3226d77 | 709 | return false; |
0974a682 | 710 | |
d3226d77 | 711 | return true; |
0974a682 KS |
712 | } |
713 | ||
714 | static int find_slot(sd_id128_t uuid, const char *path, uint16_t *id) { | |
d3226d77 ZJS |
715 | _cleanup_free_ uint16_t *options = NULL; |
716 | int n, i; | |
0974a682 | 717 | |
d3226d77 ZJS |
718 | n = efi_get_boot_options(&options); |
719 | if (n < 0) | |
720 | return n; | |
0974a682 | 721 | |
e7dd673d | 722 | /* find already existing systemd-boot entry */ |
d3226d77 | 723 | for (i = 0; i < n; i++) |
0974a682 | 724 | if (same_entry(options[i], uuid, path)) { |
d3226d77 ZJS |
725 | *id = options[i]; |
726 | return 1; | |
0974a682 KS |
727 | } |
728 | ||
729 | /* find free slot in the sorted BootXXXX variable list */ | |
d3226d77 | 730 | for (i = 0; i < n; i++) |
0974a682 | 731 | if (i != options[i]) { |
d3226d77 | 732 | *id = i; |
26d54e12 | 733 | return 0; |
0974a682 KS |
734 | } |
735 | ||
736 | /* use the next one */ | |
737 | if (i == 0xffff) | |
738 | return -ENOSPC; | |
d3226d77 ZJS |
739 | *id = i; |
740 | return 0; | |
0974a682 KS |
741 | } |
742 | ||
743 | static int insert_into_order(uint16_t slot, bool first) { | |
d3226d77 ZJS |
744 | _cleanup_free_ uint16_t *order = NULL; |
745 | uint16_t *t; | |
c67bd42b | 746 | int n; |
0974a682 | 747 | |
d3226d77 ZJS |
748 | n = efi_get_boot_order(&order); |
749 | if (n <= 0) | |
0974a682 | 750 | /* no entry, add us */ |
d3226d77 | 751 | return efi_set_boot_order(&slot, 1); |
0974a682 KS |
752 | |
753 | /* are we the first and only one? */ | |
d3226d77 ZJS |
754 | if (n == 1 && order[0] == slot) |
755 | return 0; | |
0974a682 KS |
756 | |
757 | /* are we already in the boot order? */ | |
c67bd42b | 758 | for (int i = 0; i < n; i++) { |
0974a682 KS |
759 | if (order[i] != slot) |
760 | continue; | |
761 | ||
762 | /* we do not require to be the first one, all is fine */ | |
763 | if (!first) | |
d3226d77 | 764 | return 0; |
0974a682 KS |
765 | |
766 | /* move us to the first slot */ | |
d3226d77 | 767 | memmove(order + 1, order, i * sizeof(uint16_t)); |
0974a682 | 768 | order[0] = slot; |
d3226d77 | 769 | return efi_set_boot_order(order, n); |
0974a682 KS |
770 | } |
771 | ||
772 | /* extend array */ | |
a7798cd8 | 773 | t = reallocarray(order, n + 1, sizeof(uint16_t)); |
d3226d77 ZJS |
774 | if (!t) |
775 | return -ENOMEM; | |
776 | order = t; | |
0974a682 KS |
777 | |
778 | /* add us to the top or end of the list */ | |
779 | if (first) { | |
d3226d77 | 780 | memmove(order + 1, order, n * sizeof(uint16_t)); |
0974a682 KS |
781 | order[0] = slot; |
782 | } else | |
d3226d77 | 783 | order[n] = slot; |
0974a682 | 784 | |
d3226d77 | 785 | return efi_set_boot_order(order, n + 1); |
0974a682 KS |
786 | } |
787 | ||
788 | static int remove_from_order(uint16_t slot) { | |
7cb0f263 | 789 | _cleanup_free_ uint16_t *order = NULL; |
c67bd42b | 790 | int n; |
0974a682 | 791 | |
d3226d77 ZJS |
792 | n = efi_get_boot_order(&order); |
793 | if (n <= 0) | |
794 | return n; | |
0974a682 | 795 | |
c67bd42b | 796 | for (int i = 0; i < n; i++) { |
0974a682 KS |
797 | if (order[i] != slot) |
798 | continue; | |
799 | ||
d3226d77 ZJS |
800 | if (i + 1 < n) |
801 | memmove(order + i, order + i+1, (n - i) * sizeof(uint16_t)); | |
802 | return efi_set_boot_order(order, n - 1); | |
0974a682 KS |
803 | } |
804 | ||
d3226d77 | 805 | return 0; |
0974a682 KS |
806 | } |
807 | ||
808 | static int install_variables(const char *esp_path, | |
809 | uint32_t part, uint64_t pstart, uint64_t psize, | |
810 | sd_id128_t uuid, const char *path, | |
811 | bool first) { | |
270384b2 | 812 | const char *p; |
0974a682 KS |
813 | uint16_t slot; |
814 | int r; | |
815 | ||
816 | if (!is_efi_boot()) { | |
d3226d77 | 817 | log_warning("Not booted with EFI, skipping EFI variable setup."); |
0974a682 KS |
818 | return 0; |
819 | } | |
820 | ||
270384b2 | 821 | p = prefix_roota(esp_path, path); |
0974a682 KS |
822 | if (access(p, F_OK) < 0) { |
823 | if (errno == ENOENT) | |
d3226d77 | 824 | return 0; |
f939cff7 LP |
825 | |
826 | return log_error_errno(errno, "Cannot access \"%s\": %m", p); | |
0974a682 | 827 | } |
7b4d7cc0 | 828 | |
0974a682 | 829 | r = find_slot(uuid, path, &slot); |
d3226d77 ZJS |
830 | if (r < 0) |
831 | return log_error_errno(r, | |
832 | r == -ENOENT ? | |
833 | "Failed to access EFI variables. Is the \"efivarfs\" filesystem mounted?" : | |
834 | "Failed to determine current boot order: %m"); | |
7b4d7cc0 | 835 | |
181ccb43 | 836 | if (first || r == 0) { |
0974a682 KS |
837 | r = efi_add_boot_option(slot, "Linux Boot Manager", |
838 | part, pstart, psize, | |
839 | uuid, path); | |
d3226d77 ZJS |
840 | if (r < 0) |
841 | return log_error_errno(r, "Failed to create EFI Boot variable entry: %m"); | |
0974a682 | 842 | |
d3226d77 ZJS |
843 | log_info("Created EFI boot entry \"Linux Boot Manager\"."); |
844 | } | |
0974a682 | 845 | |
d3226d77 | 846 | return insert_into_order(slot, first); |
0974a682 KS |
847 | } |
848 | ||
849 | static int remove_boot_efi(const char *esp_path) { | |
d3226d77 | 850 | _cleanup_closedir_ DIR *d = NULL; |
270384b2 | 851 | const char *p; |
d3226d77 | 852 | int r, c = 0; |
0974a682 | 853 | |
270384b2 | 854 | p = prefix_roota(esp_path, "/EFI/BOOT"); |
0974a682 KS |
855 | d = opendir(p); |
856 | if (!d) { | |
d3226d77 ZJS |
857 | if (errno == ENOENT) |
858 | return 0; | |
0974a682 | 859 | |
d3226d77 | 860 | return log_error_errno(errno, "Failed to open directory \"%s\": %m", p); |
0974a682 KS |
861 | } |
862 | ||
e41256dc | 863 | FOREACH_DIRENT(de, d, break) { |
d3226d77 ZJS |
864 | _cleanup_close_ int fd = -1; |
865 | _cleanup_free_ char *v = NULL; | |
0974a682 | 866 | |
d3226d77 | 867 | if (!endswith_no_case(de->d_name, ".efi")) |
0974a682 KS |
868 | continue; |
869 | ||
b7536c45 | 870 | if (!startswith_no_case(de->d_name, "boot")) |
0974a682 KS |
871 | continue; |
872 | ||
d3226d77 | 873 | fd = openat(dirfd(d), de->d_name, O_RDONLY|O_CLOEXEC); |
dd114e11 | 874 | if (fd < 0) |
d3226d77 | 875 | return log_error_errno(errno, "Failed to open \"%s/%s\" for reading: %m", p, de->d_name); |
0974a682 | 876 | |
d3226d77 | 877 | r = get_file_version(fd, &v); |
0974a682 | 878 | if (r < 0) |
d3226d77 ZJS |
879 | return r; |
880 | if (r > 0 && startswith(v, "systemd-boot ")) { | |
881 | r = unlinkat(dirfd(d), de->d_name, 0); | |
882 | if (r < 0) | |
883 | return log_error_errno(errno, "Failed to remove \"%s/%s\": %m", p, de->d_name); | |
884 | ||
a592ab6a | 885 | log_info("Removed \"%s/%s\".", p, de->d_name); |
0974a682 KS |
886 | } |
887 | ||
888 | c++; | |
0974a682 KS |
889 | } |
890 | ||
d3226d77 | 891 | return c; |
0974a682 KS |
892 | } |
893 | ||
894 | static int rmdir_one(const char *prefix, const char *suffix) { | |
270384b2 | 895 | const char *p; |
7b4d7cc0 | 896 | |
270384b2 | 897 | p = prefix_roota(prefix, suffix); |
0974a682 | 898 | if (rmdir(p) < 0) { |
fbf45d22 LP |
899 | bool ignore = IN_SET(errno, ENOENT, ENOTEMPTY); |
900 | ||
901 | log_full_errno(ignore ? LOG_DEBUG : LOG_ERR, errno, | |
902 | "Failed to remove directory \"%s\": %m", p); | |
903 | if (!ignore) | |
904 | return -errno; | |
7b4d7cc0 | 905 | } else |
d3226d77 | 906 | log_info("Removed \"%s\".", p); |
7b4d7cc0 | 907 | |
0974a682 | 908 | return 0; |
7b4d7cc0 KS |
909 | } |
910 | ||
e44c3229 LP |
911 | static int remove_subdirs(const char *root, const char *const *subdirs) { |
912 | int r, q; | |
fbf45d22 | 913 | |
e44c3229 LP |
914 | /* We use recursion here to destroy the directories in reverse order. Which should be safe given how |
915 | * short the array is. */ | |
fbf45d22 | 916 | |
e44c3229 LP |
917 | if (!subdirs[0]) /* A the end of the list */ |
918 | return 0; | |
fbf45d22 | 919 | |
e44c3229 LP |
920 | r = remove_subdirs(root, subdirs + 1); |
921 | q = rmdir_one(root, subdirs[0]); | |
922 | ||
923 | return r < 0 ? r : q; | |
924 | } | |
925 | ||
6a3fff75 | 926 | static int remove_machine_id_directory(const char *root) { |
927 | sd_id128_t machine_id; | |
6a3fff75 | 928 | int r; |
929 | ||
930 | assert(root); | |
931 | assert(arg_make_machine_id_directory >= 0); | |
932 | ||
933 | if (!arg_make_machine_id_directory) | |
934 | return 0; | |
935 | ||
936 | r = sd_id128_get_machine(&machine_id); | |
937 | if (r < 0) | |
938 | return log_error_errno(r, "Failed to get machine id: %m"); | |
939 | ||
85b55869 | 940 | return rmdir_one(root, SD_ID128_TO_STRING(machine_id)); |
6a3fff75 | 941 | } |
942 | ||
0974a682 | 943 | static int remove_binaries(const char *esp_path) { |
270384b2 | 944 | const char *p; |
0974a682 KS |
945 | int r, q; |
946 | ||
270384b2 | 947 | p = prefix_roota(esp_path, "/EFI/systemd"); |
c6878637 | 948 | r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL); |
0974a682 KS |
949 | |
950 | q = remove_boot_efi(esp_path); | |
951 | if (q < 0 && r == 0) | |
952 | r = q; | |
953 | ||
0974a682 KS |
954 | return r; |
955 | } | |
956 | ||
e44c3229 | 957 | static int remove_file(const char *root, const char *file) { |
fbf45d22 LP |
958 | const char *p; |
959 | ||
e44c3229 LP |
960 | assert(root); |
961 | assert(file); | |
fbf45d22 | 962 | |
e44c3229 | 963 | p = prefix_roota(root, file); |
fbf45d22 | 964 | if (unlink(p) < 0) { |
e44c3229 LP |
965 | log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, |
966 | "Failed to unlink file \"%s\": %m", p); | |
fbf45d22 | 967 | |
e44c3229 LP |
968 | return errno == ENOENT ? 0 : -errno; |
969 | } | |
fbf45d22 | 970 | |
e44c3229 LP |
971 | log_info("Removed \"%s\".", p); |
972 | return 1; | |
fbf45d22 LP |
973 | } |
974 | ||
0974a682 KS |
975 | static int remove_variables(sd_id128_t uuid, const char *path, bool in_order) { |
976 | uint16_t slot; | |
977 | int r; | |
978 | ||
979 | if (!is_efi_boot()) | |
980 | return 0; | |
981 | ||
982 | r = find_slot(uuid, path, &slot); | |
983 | if (r != 1) | |
984 | return 0; | |
985 | ||
986 | r = efi_remove_boot_option(slot); | |
987 | if (r < 0) | |
988 | return r; | |
989 | ||
990 | if (in_order) | |
d3226d77 | 991 | return remove_from_order(slot); |
f939cff7 LP |
992 | |
993 | return 0; | |
0974a682 KS |
994 | } |
995 | ||
e44c3229 | 996 | static int remove_loader_variables(void) { |
e6f055cb | 997 | const char *variable; |
e44c3229 LP |
998 | int r = 0; |
999 | ||
1000 | /* Remove all persistent loader variables we define */ | |
1001 | ||
e6f055cb ZJS |
1002 | FOREACH_STRING(variable, |
1003 | EFI_LOADER_VARIABLE(LoaderConfigTimeout), | |
1004 | EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), | |
1005 | EFI_LOADER_VARIABLE(LoaderEntryDefault), | |
1006 | EFI_LOADER_VARIABLE(LoaderEntryOneShot), | |
1007 | EFI_LOADER_VARIABLE(LoaderSystemToken)){ | |
e44c3229 LP |
1008 | |
1009 | int q; | |
1010 | ||
e6f055cb | 1011 | q = efi_set_variable(variable, NULL, 0); |
e44c3229 LP |
1012 | if (q == -ENOENT) |
1013 | continue; | |
1014 | if (q < 0) { | |
e6f055cb | 1015 | log_warning_errno(q, "Failed to remove EFI variable %s: %m", variable); |
e44c3229 LP |
1016 | if (r >= 0) |
1017 | r = q; | |
1018 | } else | |
e6f055cb | 1019 | log_info("Removed EFI variable %s.", variable); |
e44c3229 LP |
1020 | } |
1021 | ||
1022 | return r; | |
1023 | } | |
1024 | ||
31e57550 | 1025 | static int install_loader_config(const char *esp_path) { |
f5b84de2 LP |
1026 | _cleanup_(unlink_and_freep) char *t = NULL; |
1027 | _cleanup_fclose_ FILE *f = NULL; | |
b46c3e49 | 1028 | _cleanup_close_ int fd = -1; |
d5ff6d6d | 1029 | const char *p; |
b46c3e49 | 1030 | int r; |
0974a682 | 1031 | |
6a3fff75 | 1032 | assert(arg_make_machine_id_directory >= 0); |
1033 | ||
270384b2 | 1034 | p = prefix_roota(esp_path, "/loader/loader.conf"); |
f5b84de2 LP |
1035 | if (access(p, F_OK) >= 0) /* Silently skip creation if the file already exists (early check) */ |
1036 | return 0; | |
1037 | ||
1038 | fd = open_tmpfile_linkable(p, O_WRONLY|O_CLOEXEC, &t); | |
1039 | if (fd < 0) | |
1040 | return log_error_errno(fd, "Failed to open \"%s\" for writing: %m", p); | |
1041 | ||
b46c3e49 VC |
1042 | f = take_fdopen(&fd, "w"); |
1043 | if (!f) | |
f5b84de2 | 1044 | return log_oom(); |
0974a682 | 1045 | |
a36b411e | 1046 | fprintf(f, "#timeout 3\n" |
31e57550 | 1047 | "#console-mode keep\n"); |
85b55869 | 1048 | |
6a3fff75 | 1049 | if (arg_make_machine_id_directory) { |
85b55869 LP |
1050 | sd_id128_t machine_id; |
1051 | ||
6a3fff75 | 1052 | r = sd_id128_get_machine(&machine_id); |
1053 | if (r < 0) | |
1054 | return log_error_errno(r, "Failed to get machine id: %m"); | |
1055 | ||
85b55869 | 1056 | fprintf(f, "default %s-*\n", SD_ID128_TO_STRING(machine_id)); |
6a3fff75 | 1057 | } |
0974a682 | 1058 | |
0675e94a | 1059 | r = fflush_sync_and_check(f); |
d5ff6d6d LP |
1060 | if (r < 0) |
1061 | return log_error_errno(r, "Failed to write \"%s\": %m", p); | |
0974a682 | 1062 | |
c46db6c0 | 1063 | r = link_tmpfile(fileno(f), t, p); |
f5b84de2 LP |
1064 | if (r == -EEXIST) |
1065 | return 0; /* Silently skip creation if the file exists now (recheck) */ | |
1066 | if (r < 0) | |
1067 | return log_error_errno(r, "Failed to move \"%s\" into place: %m", p); | |
1068 | ||
1069 | t = mfree(t); | |
f5b84de2 | 1070 | return 1; |
0974a682 KS |
1071 | } |
1072 | ||
6a3fff75 | 1073 | static int install_machine_id_directory(const char *root) { |
1074 | sd_id128_t machine_id; | |
6a3fff75 | 1075 | int r; |
1076 | ||
1077 | assert(root); | |
1078 | assert(arg_make_machine_id_directory >= 0); | |
1079 | ||
1080 | if (!arg_make_machine_id_directory) | |
1081 | return 0; | |
1082 | ||
1083 | r = sd_id128_get_machine(&machine_id); | |
1084 | if (r < 0) | |
1085 | return log_error_errno(r, "Failed to get machine id: %m"); | |
1086 | ||
85b55869 | 1087 | return mkdir_one(root, SD_ID128_TO_STRING(machine_id)); |
6a3fff75 | 1088 | } |
1089 | ||
2f2c539c | 1090 | static int help(int argc, char *argv[], void *userdata) { |
37ec0fdd LP |
1091 | _cleanup_free_ char *link = NULL; |
1092 | int r; | |
1093 | ||
1094 | r = terminal_urlify_man("bootctl", "1", &link); | |
1095 | if (r < 0) | |
1096 | return log_oom(); | |
2f2c539c | 1097 | |
64a7fcc5 LP |
1098 | printf("%1$s [OPTIONS...] COMMAND ...\n" |
1099 | "\n%5$sControl EFI firmware boot settings and manage boot loader.%6$s\n" | |
1100 | "\n%3$sGeneric EFI Firmware/Boot Loader Commands:%4$s\n" | |
1101 | " status Show status of installed boot loader and EFI variables\n" | |
002914e6 LP |
1102 | " reboot-to-firmware [BOOL]\n" |
1103 | " Query or set reboot-to-firmware EFI flag\n" | |
64a7fcc5 LP |
1104 | " systemd-efi-options [STRING]\n" |
1105 | " Query or set system options string in EFI variable\n" | |
1106 | "\n%3$sBoot Loader Specification Commands:%4$s\n" | |
2536752d ZJS |
1107 | " list List boot loader entries\n" |
1108 | " set-default ID Set default boot loader entry\n" | |
1109 | " set-oneshot ID Set default boot loader entry, for next boot only\n" | |
39ddc32a JJ |
1110 | " set-timeout SECONDS Set the menu timeout\n" |
1111 | " set-timeout-oneshot SECONDS\n" | |
1112 | " Set the menu timeout for the next boot only\n" | |
64a7fcc5 LP |
1113 | "\n%3$ssystemd-boot Commands:%4$s\n" |
1114 | " install Install systemd-boot to the ESP and EFI variables\n" | |
1115 | " update Update systemd-boot in the ESP and EFI variables\n" | |
1116 | " remove Remove systemd-boot from the ESP and EFI variables\n" | |
1117 | " is-installed Test whether systemd-boot is installed in the ESP\n" | |
1118 | " random-seed Initialize random seed in ESP and EFI variables\n" | |
1119 | "\n%3$sOptions:%4$s\n" | |
e1fac8a6 ZJS |
1120 | " -h --help Show this help\n" |
1121 | " --version Print version\n" | |
1122 | " --esp-path=PATH Path to the EFI System Partition (ESP)\n" | |
1123 | " --boot-path=PATH Path to the $BOOT partition\n" | |
1124 | " -p --print-esp-path Print path to the EFI System Partition\n" | |
1125 | " -x --print-boot-path Print path to the $BOOT partition\n" | |
1126 | " --no-variables Don't touch EFI variables\n" | |
1127 | " --no-pager Do not pipe output into a pager\n" | |
351de38e LP |
1128 | " --graceful Don't fail when the ESP cannot be found or EFI\n" |
1129 | " variables cannot be written\n" | |
6a3fff75 | 1130 | " --make-machine-id-directory=yes|no|auto\n" |
1131 | " Create $BOOT/$MACHINE_ID\n" | |
bc556335 DDM |
1132 | "\nSee the %2$s for details.\n", |
1133 | program_invocation_short_name, | |
1134 | link, | |
1135 | ansi_underline(), | |
1136 | ansi_normal(), | |
1137 | ansi_highlight(), | |
1138 | ansi_normal()); | |
0974a682 KS |
1139 | |
1140 | return 0; | |
1141 | } | |
1142 | ||
0974a682 KS |
1143 | static int parse_argv(int argc, char *argv[]) { |
1144 | enum { | |
fbf45d22 LP |
1145 | ARG_ESP_PATH = 0x100, |
1146 | ARG_BOOT_PATH, | |
0974a682 KS |
1147 | ARG_VERSION, |
1148 | ARG_NO_VARIABLES, | |
57db6f18 | 1149 | ARG_NO_PAGER, |
351de38e | 1150 | ARG_GRACEFUL, |
6a3fff75 | 1151 | ARG_MAKE_MACHINE_ID_DIRECTORY, |
7b4d7cc0 KS |
1152 | }; |
1153 | ||
0974a682 | 1154 | static const struct option options[] = { |
6a3fff75 | 1155 | { "help", no_argument, NULL, 'h' }, |
1156 | { "version", no_argument, NULL, ARG_VERSION }, | |
1157 | { "esp-path", required_argument, NULL, ARG_ESP_PATH }, | |
1158 | { "path", required_argument, NULL, ARG_ESP_PATH }, /* Compatibility alias */ | |
1159 | { "boot-path", required_argument, NULL, ARG_BOOT_PATH }, | |
1160 | { "print-esp-path", no_argument, NULL, 'p' }, | |
1161 | { "print-path", no_argument, NULL, 'p' }, /* Compatibility alias */ | |
1162 | { "print-boot-path", no_argument, NULL, 'x' }, | |
1163 | { "no-variables", no_argument, NULL, ARG_NO_VARIABLES }, | |
1164 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
1165 | { "graceful", no_argument, NULL, ARG_GRACEFUL }, | |
1166 | { "make-machine-id-directory", required_argument, NULL, ARG_MAKE_MACHINE_ID_DIRECTORY }, | |
a36b411e | 1167 | {} |
0974a682 KS |
1168 | }; |
1169 | ||
2f2c539c | 1170 | int c, r; |
6a3fff75 | 1171 | bool b; |
7b4d7cc0 KS |
1172 | |
1173 | assert(argc >= 0); | |
1174 | assert(argv); | |
1175 | ||
fba4e945 | 1176 | while ((c = getopt_long(argc, argv, "hpx", options, NULL)) >= 0) |
0974a682 | 1177 | switch (c) { |
7b4d7cc0 | 1178 | |
0974a682 | 1179 | case 'h': |
2f2c539c | 1180 | help(0, NULL, NULL); |
7b4d7cc0 | 1181 | return 0; |
7b4d7cc0 | 1182 | |
0974a682 | 1183 | case ARG_VERSION: |
3f6fd1ba | 1184 | return version(); |
7b4d7cc0 | 1185 | |
fbf45d22 LP |
1186 | case ARG_ESP_PATH: |
1187 | r = free_and_strdup(&arg_esp_path, optarg); | |
1188 | if (r < 0) | |
1189 | return log_oom(); | |
1190 | break; | |
1191 | ||
1192 | case ARG_BOOT_PATH: | |
1193 | r = free_and_strdup(&arg_xbootldr_path, optarg); | |
2f2c539c LP |
1194 | if (r < 0) |
1195 | return log_oom(); | |
0974a682 KS |
1196 | break; |
1197 | ||
30b50477 | 1198 | case 'p': |
aa467bca ZJS |
1199 | if (arg_print_dollar_boot_path) |
1200 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1201 | "--print-boot-path/-x cannot be combined with --print-esp-path/-p"); | |
fbf45d22 LP |
1202 | arg_print_esp_path = true; |
1203 | break; | |
1204 | ||
fba4e945 | 1205 | case 'x': |
aa467bca ZJS |
1206 | if (arg_print_esp_path) |
1207 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
1208 | "--print-boot-path/-x cannot be combined with --print-esp-path/-p"); | |
fbf45d22 | 1209 | arg_print_dollar_boot_path = true; |
30b50477 ZJS |
1210 | break; |
1211 | ||
0974a682 KS |
1212 | case ARG_NO_VARIABLES: |
1213 | arg_touch_variables = false; | |
1214 | break; | |
1215 | ||
57db6f18 | 1216 | case ARG_NO_PAGER: |
0221d68a | 1217 | arg_pager_flags |= PAGER_DISABLE; |
57db6f18 LP |
1218 | break; |
1219 | ||
351de38e LP |
1220 | case ARG_GRACEFUL: |
1221 | arg_graceful = true; | |
1222 | break; | |
1223 | ||
6a3fff75 | 1224 | case ARG_MAKE_MACHINE_ID_DIRECTORY: |
1225 | if (streq(optarg, "auto")) | |
1226 | arg_make_machine_id_directory = -1; /* default */ | |
1227 | else { | |
1228 | r = parse_boolean_argument("--make-machine-id-directory=", optarg, &b); | |
1229 | if (r < 0) | |
1230 | return r; | |
1231 | arg_make_machine_id_directory = b; | |
1232 | } | |
1233 | break; | |
1234 | ||
0974a682 KS |
1235 | case '?': |
1236 | return -EINVAL; | |
1237 | ||
1238 | default: | |
04499a70 | 1239 | assert_not_reached(); |
7b4d7cc0 | 1240 | } |
7b4d7cc0 | 1241 | |
0974a682 KS |
1242 | return 1; |
1243 | } | |
7b4d7cc0 | 1244 | |
e6f055cb | 1245 | static void read_efi_var(const char *variable, char **ret) { |
551710cf ZJS |
1246 | int r; |
1247 | ||
e6f055cb | 1248 | r = efi_get_variable_string(variable, ret); |
551710cf | 1249 | if (r < 0 && r != -ENOENT) |
e6f055cb | 1250 | log_warning_errno(r, "Failed to read EFI variable %s: %m", variable); |
551710cf ZJS |
1251 | } |
1252 | ||
607ebf2b | 1253 | static void print_yes_no_line(bool first, bool good, const char *name) { |
ae54abe7 | 1254 | printf("%s%s %s\n", |
607ebf2b | 1255 | first ? " Features: " : " ", |
ae54abe7 | 1256 | COLOR_MARK_BOOL(good), |
607ebf2b ZJS |
1257 | name); |
1258 | } | |
1259 | ||
2f2c539c | 1260 | static int verb_status(int argc, char *argv[], void *userdata) { |
fbf45d22 | 1261 | sd_id128_t esp_uuid = SD_ID128_NULL, xbootldr_uuid = SD_ID128_NULL; |
46fb255b | 1262 | int r, k; |
0974a682 | 1263 | |
e5a8b4b5 | 1264 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, &esp_uuid); |
fbf45d22 | 1265 | if (arg_print_esp_path) { |
5caa3167 LP |
1266 | if (r == -EACCES) /* If we couldn't acquire the ESP path, log about access errors (which is the only |
1267 | * error the find_esp_and_warn() won't log on its own) */ | |
fbf45d22 | 1268 | return log_error_errno(r, "Failed to determine ESP location: %m"); |
30b50477 ZJS |
1269 | if (r < 0) |
1270 | return r; | |
1271 | ||
fbf45d22 LP |
1272 | puts(arg_esp_path); |
1273 | } | |
1274 | ||
e5a8b4b5 | 1275 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, &xbootldr_uuid); |
fbf45d22 LP |
1276 | if (arg_print_dollar_boot_path) { |
1277 | if (r == -EACCES) | |
1278 | return log_error_errno(r, "Failed to determine XBOOTLDR location: %m"); | |
1279 | if (r < 0) | |
1280 | return r; | |
1281 | ||
f8a2b09a YW |
1282 | const char *path = arg_dollar_boot_path(); |
1283 | if (!path) | |
1284 | return log_error_errno(SYNTHETIC_ERRNO(EACCES), "Failed to determine XBOOTLDR location: %m"); | |
1285 | ||
1286 | puts(path); | |
30b50477 | 1287 | } |
551710cf | 1288 | |
fbf45d22 LP |
1289 | if (arg_print_esp_path || arg_print_dollar_boot_path) |
1290 | return 0; | |
1291 | ||
5caa3167 LP |
1292 | r = 0; /* If we couldn't determine the path, then don't consider that a problem from here on, just show what we |
1293 | * can show */ | |
1294 | ||
384c2c32 | 1295 | pager_open(arg_pager_flags); |
57db6f18 | 1296 | |
2f2c539c | 1297 | if (is_efi_boot()) { |
80641a81 LP |
1298 | static const struct { |
1299 | uint64_t flag; | |
1300 | const char *name; | |
1301 | } flags[] = { | |
22c5ff51 LP |
1302 | { EFI_LOADER_FEATURE_BOOT_COUNTING, "Boot counting" }, |
1303 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT, "Menu timeout control" }, | |
1304 | { EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT, "One-shot menu timeout control" }, | |
1305 | { EFI_LOADER_FEATURE_ENTRY_DEFAULT, "Default entry control" }, | |
1306 | { EFI_LOADER_FEATURE_ENTRY_ONESHOT, "One-shot entry control" }, | |
1307 | { EFI_LOADER_FEATURE_XBOOTLDR, "Support for XBOOTLDR partition" }, | |
1308 | { EFI_LOADER_FEATURE_RANDOM_SEED, "Support for passing random seed to OS" }, | |
2553a548 | 1309 | { EFI_LOADER_FEATURE_LOAD_DRIVER, "Load drop-in drivers" }, |
80641a81 LP |
1310 | }; |
1311 | ||
81375b9b | 1312 | _cleanup_free_ char *fw_type = NULL, *fw_info = NULL, *loader = NULL, *loader_path = NULL, *stub = NULL; |
25579a43 | 1313 | sd_id128_t loader_part_uuid = SD_ID128_NULL; |
80641a81 | 1314 | uint64_t loader_features = 0; |
e6f055cb | 1315 | int have; |
0974a682 | 1316 | |
e6f055cb ZJS |
1317 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareType), &fw_type); |
1318 | read_efi_var(EFI_LOADER_VARIABLE(LoaderFirmwareInfo), &fw_info); | |
1319 | read_efi_var(EFI_LOADER_VARIABLE(LoaderInfo), &loader); | |
1320 | read_efi_var(EFI_LOADER_VARIABLE(StubInfo), &stub); | |
1321 | read_efi_var(EFI_LOADER_VARIABLE(LoaderImageIdentifier), &loader_path); | |
80641a81 | 1322 | (void) efi_loader_get_features(&loader_features); |
551710cf | 1323 | |
2f2c539c LP |
1324 | if (loader_path) |
1325 | efi_tilt_backslashes(loader_path); | |
1326 | ||
46fb255b ZJS |
1327 | k = efi_loader_get_device_part_uuid(&loader_part_uuid); |
1328 | if (k < 0 && k != -ENOENT) | |
1329 | r = log_warning_errno(k, "Failed to read EFI variable LoaderDevicePartUUID: %m"); | |
2f2c539c | 1330 | |
c4964512 | 1331 | SecureBootMode secure = efi_get_secure_boot_mode(); |
2f2c539c | 1332 | printf("System:\n"); |
ba857253 | 1333 | printf(" Firmware: %s%s (%s)%s\n", ansi_highlight(), strna(fw_type), strna(fw_info), ansi_normal()); |
c4964512 JJ |
1334 | printf(" Secure Boot: %sd (%s)\n", |
1335 | enable_disable(IN_SET(secure, SECURE_BOOT_USER, SECURE_BOOT_DEPLOYED)), | |
1336 | secure_boot_mode_to_string(secure)); | |
b2a22049 | 1337 | printf(" TPM2 Support: %s\n", yes_no(efi_has_tpm2())); |
8a96369e | 1338 | |
c1b9708c LP |
1339 | k = efi_get_reboot_to_firmware(); |
1340 | if (k > 0) | |
8a96369e | 1341 | printf(" Boot into FW: %sactive%s\n", ansi_highlight_yellow(), ansi_normal()); |
c1b9708c | 1342 | else if (k == 0) |
8a96369e | 1343 | printf(" Boot into FW: supported\n"); |
c1b9708c | 1344 | else if (k == -EOPNOTSUPP) |
8a96369e LP |
1345 | printf(" Boot into FW: not supported\n"); |
1346 | else { | |
c1b9708c | 1347 | errno = -k; |
8a96369e LP |
1348 | printf(" Boot into FW: %sfailed%s (%m)\n", ansi_highlight_red(), ansi_normal()); |
1349 | } | |
2f2c539c LP |
1350 | printf("\n"); |
1351 | ||
7fd66f3c | 1352 | printf("Current Boot Loader:\n"); |
ba857253 | 1353 | printf(" Product: %s%s%s\n", ansi_highlight(), strna(loader), ansi_normal()); |
80641a81 | 1354 | |
c67bd42b | 1355 | for (size_t i = 0; i < ELEMENTSOF(flags); i++) |
607ebf2b | 1356 | print_yes_no_line(i == 0, FLAGS_SET(loader_features, flags[i].flag), flags[i].name); |
80641a81 | 1357 | |
607ebf2b ZJS |
1358 | sd_id128_t bootloader_esp_uuid; |
1359 | bool have_bootloader_esp_uuid = efi_loader_get_device_part_uuid(&bootloader_esp_uuid) >= 0; | |
80641a81 | 1360 | |
250db1bf | 1361 | print_yes_no_line(false, have_bootloader_esp_uuid, "Boot loader sets ESP information"); |
607ebf2b | 1362 | if (have_bootloader_esp_uuid && !sd_id128_equal(esp_uuid, bootloader_esp_uuid)) |
9e516e4c | 1363 | printf("WARNING: The boot loader reports a different ESP UUID than detected!\n"); |
80641a81 | 1364 | |
81375b9b ДГ |
1365 | if (stub) |
1366 | printf(" Stub: %s\n", stub); | |
e28973ee | 1367 | if (!sd_id128_is_null(loader_part_uuid)) |
bd44566c | 1368 | printf(" ESP: /dev/disk/by-partuuid/" SD_ID128_UUID_FORMAT_STR "\n", |
2f2c539c LP |
1369 | SD_ID128_FORMAT_VAL(loader_part_uuid)); |
1370 | else | |
cd2d4c7f | 1371 | printf(" ESP: n/a\n"); |
9a6f746f | 1372 | printf(" File: %s%s\n", special_glyph(SPECIAL_GLYPH_TREE_RIGHT), strna(loader_path)); |
2f2c539c | 1373 | printf("\n"); |
d6e9a347 LP |
1374 | |
1375 | printf("Random Seed:\n"); | |
e6f055cb ZJS |
1376 | have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderRandomSeed)), F_OK) >= 0; |
1377 | printf(" Passed to OS: %s\n", yes_no(have)); | |
1378 | have = access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderSystemToken)), F_OK) >= 0; | |
1379 | printf(" System Token: %s\n", have ? "set" : "not set"); | |
d6e9a347 LP |
1380 | |
1381 | if (arg_esp_path) { | |
1382 | _cleanup_free_ char *p = NULL; | |
1383 | ||
1384 | p = path_join(arg_esp_path, "/loader/random-seed"); | |
1385 | if (!p) | |
1386 | return log_oom(); | |
1387 | ||
e6f055cb ZJS |
1388 | have = access(p, F_OK) >= 0; |
1389 | printf(" Exists: %s\n", yes_no(have)); | |
d6e9a347 LP |
1390 | } |
1391 | ||
1392 | printf("\n"); | |
2f2c539c | 1393 | } else |
cd2d4c7f | 1394 | printf("System:\n Not booted with EFI\n\n"); |
7b4d7cc0 | 1395 | |
fbf45d22 LP |
1396 | if (arg_esp_path) { |
1397 | k = status_binaries(arg_esp_path, esp_uuid); | |
ecec2a5d LP |
1398 | if (k < 0) |
1399 | r = k; | |
1400 | } | |
2f2c539c | 1401 | |
cd2d4c7f | 1402 | if (is_efi_boot()) { |
46fb255b ZJS |
1403 | k = status_variables(); |
1404 | if (k < 0) | |
1405 | r = k; | |
cd2d4c7f | 1406 | } |
0974a682 | 1407 | |
fbf45d22 | 1408 | if (arg_esp_path || arg_xbootldr_path) { |
81fed855 | 1409 | k = status_entries(arg_esp_path, esp_uuid, arg_xbootldr_path, xbootldr_uuid); |
ecec2a5d LP |
1410 | if (k < 0) |
1411 | r = k; | |
1412 | } | |
7e87c7d9 | 1413 | |
46fb255b | 1414 | return r; |
2f2c539c | 1415 | } |
7b4d7cc0 | 1416 | |
7e87c7d9 | 1417 | static int verb_list(int argc, char *argv[], void *userdata) { |
5caa3167 | 1418 | _cleanup_(boot_config_free) BootConfig config = {}; |
d4bd786d | 1419 | _cleanup_strv_free_ char **efi_entries = NULL; |
5caa3167 | 1420 | int r; |
7e87c7d9 | 1421 | |
5caa3167 LP |
1422 | /* If we lack privileges we invoke find_esp_and_warn() in "unprivileged mode" here, which does two things: turn |
1423 | * off logging about access errors and turn off potentially privileged device probing. Here we're interested in | |
1424 | * the latter but not the former, hence request the mode, and log about EACCES. */ | |
7e87c7d9 | 1425 | |
e5a8b4b5 | 1426 | r = acquire_esp(/* unprivileged_mode= */ geteuid() != 0, /* graceful= */ false, NULL, NULL, NULL, NULL); |
5caa3167 LP |
1427 | if (r == -EACCES) /* We really need the ESP path for this call, hence also log about access errors */ |
1428 | return log_error_errno(r, "Failed to determine ESP: %m"); | |
7e87c7d9 ZJS |
1429 | if (r < 0) |
1430 | return r; | |
1431 | ||
e5a8b4b5 | 1432 | r = acquire_xbootldr(/* unprivileged_mode= */ geteuid() != 0, NULL); |
fbf45d22 LP |
1433 | if (r == -EACCES) |
1434 | return log_error_errno(r, "Failed to determine XBOOTLDR partition: %m"); | |
1435 | if (r < 0) | |
1436 | return r; | |
1437 | ||
1438 | r = boot_entries_load_config(arg_esp_path, arg_xbootldr_path, &config); | |
7e87c7d9 | 1439 | if (r < 0) |
21f7a622 | 1440 | return r; |
7e87c7d9 | 1441 | |
d4bd786d LP |
1442 | r = efi_loader_get_entries(&efi_entries); |
1443 | if (r == -ENOENT || ERRNO_IS_NOT_SUPPORTED(r)) | |
1444 | log_debug_errno(r, "Boot loader reported no entries."); | |
1445 | else if (r < 0) | |
1446 | log_warning_errno(r, "Failed to determine entries reported by boot loader, ignoring: %m"); | |
1447 | else | |
1448 | (void) boot_entries_augment_from_loader(&config, efi_entries, false); | |
bd2865ca | 1449 | |
20a28174 LP |
1450 | if (config.n_entries == 0) |
1451 | log_info("No boot loader entries found."); | |
1452 | else { | |
384c2c32 | 1453 | pager_open(arg_pager_flags); |
57db6f18 | 1454 | |
20a28174 | 1455 | printf("Boot Loader Entries:\n"); |
7e87c7d9 | 1456 | |
c67bd42b | 1457 | for (size_t n = 0; n < config.n_entries; n++) { |
20a28174 LP |
1458 | r = boot_entry_show(config.entries + n, n == (size_t) config.default_entry); |
1459 | if (r < 0) | |
1460 | return r; | |
7e87c7d9 | 1461 | |
4629499e LP |
1462 | if (n+1 < config.n_entries) |
1463 | putchar('\n'); | |
7e87c7d9 | 1464 | } |
cd2d4c7f | 1465 | } |
0974a682 | 1466 | |
7e87c7d9 | 1467 | return 0; |
2f2c539c | 1468 | } |
7b4d7cc0 | 1469 | |
e44c3229 LP |
1470 | static int install_random_seed(const char *esp) { |
1471 | _cleanup_(unlink_and_freep) char *tmp = NULL; | |
1472 | _cleanup_free_ void *buffer = NULL; | |
1473 | _cleanup_free_ char *path = NULL; | |
1474 | _cleanup_close_ int fd = -1; | |
1475 | size_t sz, token_size; | |
1476 | ssize_t n; | |
1477 | int r; | |
1478 | ||
1479 | assert(esp); | |
1480 | ||
1481 | path = path_join(esp, "/loader/random-seed"); | |
1482 | if (!path) | |
1483 | return log_oom(); | |
1484 | ||
1485 | sz = random_pool_size(); | |
1486 | ||
1487 | buffer = malloc(sz); | |
1488 | if (!buffer) | |
1489 | return log_oom(); | |
1490 | ||
1491 | r = genuine_random_bytes(buffer, sz, RANDOM_BLOCK); | |
1492 | if (r < 0) | |
a4d20801 | 1493 | return log_error_errno(r, "Failed to acquire random seed: %m"); |
e44c3229 | 1494 | |
a4a55e9a LP |
1495 | /* Normally create_subdirs() should already have created everything we need, but in case "bootctl |
1496 | * random-seed" is called we want to just create the minimum we need for it, and not the full | |
1497 | * list. */ | |
1498 | r = mkdir_parents(path, 0755); | |
1499 | if (r < 0) | |
1500 | return log_error_errno(r, "Failed to create parent directory for %s: %m", path); | |
1501 | ||
e44c3229 LP |
1502 | r = tempfn_random(path, "bootctl", &tmp); |
1503 | if (r < 0) | |
1504 | return log_oom(); | |
1505 | ||
1506 | fd = open(tmp, O_CREAT|O_EXCL|O_NOFOLLOW|O_NOCTTY|O_WRONLY|O_CLOEXEC, 0600); | |
1507 | if (fd < 0) { | |
1508 | tmp = mfree(tmp); | |
1509 | return log_error_errno(fd, "Failed to open random seed file for writing: %m"); | |
1510 | } | |
1511 | ||
1512 | n = write(fd, buffer, sz); | |
1513 | if (n < 0) | |
1514 | return log_error_errno(errno, "Failed to write random seed file: %m"); | |
1515 | if ((size_t) n != sz) | |
1516 | return log_error_errno(SYNTHETIC_ERRNO(EIO), "Short write while writing random seed file."); | |
1517 | ||
1518 | if (rename(tmp, path) < 0) | |
1519 | return log_error_errno(r, "Failed to move random seed file into place: %m"); | |
1520 | ||
1521 | tmp = mfree(tmp); | |
1522 | ||
a4d20801 | 1523 | log_info("Random seed file %s successfully written (%zu bytes).", path, sz); |
e44c3229 LP |
1524 | |
1525 | if (!arg_touch_variables) | |
1526 | return 0; | |
1527 | ||
1528 | if (!is_efi_boot()) { | |
1529 | log_notice("Not booted with EFI, skipping EFI variable setup."); | |
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | r = getenv_bool("SYSTEMD_WRITE_SYSTEM_TOKEN"); | |
1534 | if (r < 0) { | |
1535 | if (r != -ENXIO) | |
1536 | log_warning_errno(r, "Failed to parse $SYSTEMD_WRITE_SYSTEM_TOKEN, ignoring."); | |
1537 | ||
1538 | if (detect_vm() > 0) { | |
1539 | /* Let's not write a system token if we detect we are running in a VM | |
1540 | * environment. Why? Our default security model for the random seed uses the system | |
1541 | * token as a mechanism to ensure we are not vulnerable to golden master sloppiness | |
1542 | * issues, i.e. that people initialize the random seed file, then copy the image to | |
1543 | * many systems and end up with the same random seed in each that is assumed to be | |
1544 | * valid but in reality is the same for all machines. By storing a system token in | |
1545 | * the EFI variable space we can make sure that even though the random seeds on disk | |
1546 | * are all the same they will be different on each system under the assumption that | |
1547 | * the EFI variable space is maintained separate from the random seed storage. That | |
162392b7 | 1548 | * is generally the case on physical systems, as the ESP is stored on persistent |
e44c3229 LP |
1549 | * storage, and the EFI variables in NVRAM. However in virtualized environments this |
1550 | * is generally not true: the EFI variable set is typically stored along with the | |
1551 | * disk image itself. For example, using the OVMF EFI firmware the EFI variables are | |
1552 | * stored in a file in the ESP itself. */ | |
1553 | ||
1554 | log_notice("Not installing system token, since we are running in a virtualized environment."); | |
1555 | return 0; | |
1556 | } | |
1557 | } else if (r == 0) { | |
1558 | log_notice("Not writing system token, because $SYSTEMD_WRITE_SYSTEM_TOKEN is set to false."); | |
1559 | return 0; | |
1560 | } | |
1561 | ||
e6f055cb | 1562 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), NULL, NULL, &token_size); |
ad0b610b LP |
1563 | if (r == -ENODATA) |
1564 | log_debug_errno(r, "LoaderSystemToken EFI variable is invalid (too short?), replacing."); | |
1565 | else if (r < 0) { | |
e44c3229 LP |
1566 | if (r != -ENOENT) |
1567 | return log_error_errno(r, "Failed to test system token validity: %m"); | |
1568 | } else { | |
1569 | if (token_size >= sz) { | |
1570 | /* Let's avoid writes if we can, and initialize this only once. */ | |
1571 | log_debug("System token already written, not updating."); | |
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | log_debug("Existing system token size (%zu) does not match our expectations (%zu), replacing.", token_size, sz); | |
1576 | } | |
1577 | ||
1578 | r = genuine_random_bytes(buffer, sz, RANDOM_BLOCK); | |
1579 | if (r < 0) | |
1580 | return log_error_errno(r, "Failed to acquire random seed: %m"); | |
1581 | ||
1582 | /* Let's write this variable with an umask in effect, so that unprivileged users can't see the token | |
1583 | * and possibly get identification information or too much insight into the kernel's entropy pool | |
1584 | * state. */ | |
1585 | RUN_WITH_UMASK(0077) { | |
e6f055cb | 1586 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderSystemToken), buffer, sz); |
351de38e LP |
1587 | if (r < 0) { |
1588 | if (!arg_graceful) | |
1589 | return log_error_errno(r, "Failed to write 'LoaderSystemToken' EFI variable: %m"); | |
1590 | ||
1591 | if (r == -EINVAL) | |
1592 | log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable (firmware problem?), ignoring: %m"); | |
1593 | else | |
1594 | log_warning_errno(r, "Unable to write 'LoaderSystemToken' EFI variable, ignoring: %m"); | |
1595 | } else | |
1596 | log_info("Successfully initialized system token in EFI variable with %zu bytes.", sz); | |
e44c3229 LP |
1597 | } |
1598 | ||
e44c3229 LP |
1599 | return 0; |
1600 | } | |
1601 | ||
fbf45d22 LP |
1602 | static int sync_everything(void) { |
1603 | int ret = 0, k; | |
e0e8d177 | 1604 | |
fbf45d22 LP |
1605 | if (arg_esp_path) { |
1606 | k = syncfs_path(AT_FDCWD, arg_esp_path); | |
1607 | if (k < 0) | |
1608 | ret = log_error_errno(k, "Failed to synchronize the ESP '%s': %m", arg_esp_path); | |
1609 | } | |
e0e8d177 | 1610 | |
fbf45d22 LP |
1611 | if (arg_xbootldr_path) { |
1612 | k = syncfs_path(AT_FDCWD, arg_xbootldr_path); | |
1613 | if (k < 0) | |
1614 | ret = log_error_errno(k, "Failed to synchronize $BOOT '%s': %m", arg_xbootldr_path); | |
1615 | } | |
e0e8d177 | 1616 | |
fbf45d22 | 1617 | return ret; |
e0e8d177 LP |
1618 | } |
1619 | ||
2f2c539c | 1620 | static int verb_install(int argc, char *argv[], void *userdata) { |
2f2c539c LP |
1621 | sd_id128_t uuid = SD_ID128_NULL; |
1622 | uint64_t pstart = 0, psize = 0; | |
1623 | uint32_t part = 0; | |
e5a8b4b5 | 1624 | bool install, graceful; |
2f2c539c LP |
1625 | int r; |
1626 | ||
e5a8b4b5 LP |
1627 | install = streq(argv[0], "install"); |
1628 | graceful = !install && arg_graceful; /* support graceful mode for updates */ | |
1629 | ||
1630 | r = acquire_esp(/* unprivileged_mode= */ false, graceful, &part, &pstart, &psize, &uuid); | |
1631 | if (graceful && r == -ENOKEY) | |
1632 | return 0; /* If --graceful is specified and we can't find an ESP, handle this cleanly */ | |
2f2c539c LP |
1633 | if (r < 0) |
1634 | return r; | |
1635 | ||
e5a8b4b5 | 1636 | r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL); |
fbf45d22 LP |
1637 | if (r < 0) |
1638 | return r; | |
1639 | ||
6a3fff75 | 1640 | settle_make_machine_id_directory(); |
1641 | ||
2f2c539c | 1642 | RUN_WITH_UMASK(0002) { |
fbf45d22 LP |
1643 | if (install) { |
1644 | /* Don't create any of these directories when we are just updating. When we update | |
1645 | * we'll drop-in our files (unless there are newer ones already), but we won't create | |
1646 | * the directories for them in the first place. */ | |
e44c3229 LP |
1647 | r = create_subdirs(arg_esp_path, esp_subdirs); |
1648 | if (r < 0) | |
1649 | return r; | |
1650 | ||
1651 | r = create_subdirs(arg_dollar_boot_path(), dollar_boot_subdirs); | |
fbf45d22 LP |
1652 | if (r < 0) |
1653 | return r; | |
1654 | } | |
1655 | ||
1656 | r = install_binaries(arg_esp_path, install); | |
0974a682 | 1657 | if (r < 0) |
d3226d77 | 1658 | return r; |
0974a682 | 1659 | |
2f2c539c | 1660 | if (install) { |
31e57550 | 1661 | r = install_loader_config(arg_esp_path); |
e44c3229 LP |
1662 | if (r < 0) |
1663 | return r; | |
1664 | ||
6a3fff75 | 1665 | r = install_machine_id_directory(arg_dollar_boot_path()); |
1666 | if (r < 0) | |
1667 | return r; | |
1668 | ||
e44c3229 | 1669 | r = install_random_seed(arg_esp_path); |
d3226d77 ZJS |
1670 | if (r < 0) |
1671 | return r; | |
1672 | } | |
2f2c539c | 1673 | } |
0974a682 | 1674 | |
fbf45d22 | 1675 | (void) sync_everything(); |
e0e8d177 | 1676 | |
2f2c539c | 1677 | if (arg_touch_variables) |
fbf45d22 | 1678 | r = install_variables(arg_esp_path, |
2f2c539c LP |
1679 | part, pstart, psize, uuid, |
1680 | "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", | |
1681 | install); | |
7b4d7cc0 | 1682 | |
2f2c539c LP |
1683 | return r; |
1684 | } | |
0974a682 | 1685 | |
2f2c539c | 1686 | static int verb_remove(int argc, char *argv[], void *userdata) { |
31e57550 | 1687 | sd_id128_t uuid = SD_ID128_NULL; |
fbf45d22 | 1688 | int r, q; |
0974a682 | 1689 | |
e5a8b4b5 | 1690 | r = acquire_esp(/* unprivileged_mode= */ false, /* graceful= */ false, NULL, NULL, NULL, &uuid); |
2f2c539c LP |
1691 | if (r < 0) |
1692 | return r; | |
1693 | ||
e5a8b4b5 | 1694 | r = acquire_xbootldr(/* unprivileged_mode= */ false, NULL); |
fbf45d22 LP |
1695 | if (r < 0) |
1696 | return r; | |
2f2c539c | 1697 | |
6a3fff75 | 1698 | settle_make_machine_id_directory(); |
1699 | ||
fbf45d22 | 1700 | r = remove_binaries(arg_esp_path); |
e0e8d177 | 1701 | |
e44c3229 | 1702 | q = remove_file(arg_esp_path, "/loader/loader.conf"); |
fbf45d22 LP |
1703 | if (q < 0 && r >= 0) |
1704 | r = q; | |
1705 | ||
e44c3229 | 1706 | q = remove_file(arg_esp_path, "/loader/random-seed"); |
fbf45d22 LP |
1707 | if (q < 0 && r >= 0) |
1708 | r = q; | |
2f2c539c | 1709 | |
e44c3229 | 1710 | q = remove_subdirs(arg_esp_path, esp_subdirs); |
fbf45d22 LP |
1711 | if (q < 0 && r >= 0) |
1712 | r = q; | |
1713 | ||
e44c3229 LP |
1714 | q = remove_subdirs(arg_esp_path, dollar_boot_subdirs); |
1715 | if (q < 0 && r >= 0) | |
1716 | r = q; | |
fbf45d22 | 1717 | |
6a3fff75 | 1718 | q = remove_machine_id_directory(arg_esp_path); |
1719 | if (q < 0 && r >= 0) | |
1720 | r = 1; | |
1721 | ||
e44c3229 LP |
1722 | if (arg_xbootldr_path) { |
1723 | /* Remove the latter two also in the XBOOTLDR partition if it exists */ | |
1724 | q = remove_subdirs(arg_xbootldr_path, dollar_boot_subdirs); | |
1725 | if (q < 0 && r >= 0) | |
1726 | r = q; | |
6a3fff75 | 1727 | |
1728 | q = remove_machine_id_directory(arg_xbootldr_path); | |
1729 | if (q < 0 && r >= 0) | |
1730 | r = q; | |
7b4d7cc0 KS |
1731 | } |
1732 | ||
e44c3229 LP |
1733 | (void) sync_everything(); |
1734 | ||
1735 | if (!arg_touch_variables) | |
1736 | return r; | |
1737 | ||
1738 | q = remove_variables(uuid, "/EFI/systemd/systemd-boot" EFI_MACHINE_TYPE_NAME ".efi", true); | |
1739 | if (q < 0 && r >= 0) | |
1740 | r = q; | |
1741 | ||
1742 | q = remove_loader_variables(); | |
1743 | if (q < 0 && r >= 0) | |
1744 | r = q; | |
1745 | ||
d3226d77 | 1746 | return r; |
7b4d7cc0 KS |
1747 | } |
1748 | ||
a2aa605d LP |
1749 | static int verb_is_installed(int argc, char *argv[], void *userdata) { |
1750 | _cleanup_free_ char *p = NULL; | |
1751 | int r; | |
1752 | ||
e5a8b4b5 | 1753 | r = acquire_esp(/* privileged_mode= */ false, /* graceful= */ false, NULL, NULL, NULL, NULL); |
a2aa605d LP |
1754 | if (r < 0) |
1755 | return r; | |
1756 | ||
1757 | /* Tests whether systemd-boot is installed. It's not obvious what to use as check here: we could | |
1758 | * check EFI variables, we could check what binary /EFI/BOOT/BOOT*.EFI points to, or whether the | |
1759 | * loader entries directory exists. Here we opted to check whether /EFI/systemd/ is non-empty, which | |
1760 | * should be a suitable and very minimal check for a number of reasons: | |
1761 | * | |
1762 | * → The check is architecture independent (i.e. we check if any systemd-boot loader is installed, not a | |
1763 | * specific one.) | |
1764 | * | |
1765 | * → It doesn't assume we are the only boot loader (i.e doesn't check if we own the main | |
1766 | * /EFI/BOOT/BOOT*.EFI fallback binary. | |
1767 | * | |
1768 | * → It specifically checks for systemd-boot, not for other boot loaders (which a check for | |
1769 | * /boot/loader/entries would do). */ | |
1770 | ||
1771 | p = path_join(arg_esp_path, "/EFI/systemd/"); | |
1772 | if (!p) | |
1773 | return log_oom(); | |
1774 | ||
1775 | r = dir_is_empty(p); | |
1776 | if (r > 0 || r == -ENOENT) { | |
1777 | puts("no"); | |
1778 | return EXIT_FAILURE; | |
1779 | } | |
1780 | if (r < 0) | |
1781 | return log_error_errno(r, "Failed to detect whether systemd-boot is installed: %m"); | |
1782 | ||
1783 | puts("yes"); | |
1784 | return EXIT_SUCCESS; | |
1785 | } | |
1786 | ||
39ddc32a JJ |
1787 | static int parse_timeout(const char *arg1, char16_t **ret_timeout, size_t *ret_timeout_size) { |
1788 | char utf8[DECIMAL_STR_MAX(usec_t)]; | |
1789 | char16_t *encoded; | |
1790 | usec_t timeout; | |
1791 | int r; | |
1792 | ||
1793 | assert(arg1); | |
1794 | assert(ret_timeout); | |
1795 | assert(ret_timeout_size); | |
1796 | ||
1797 | if (streq(arg1, "menu-force")) | |
1798 | timeout = USEC_INFINITY; | |
1799 | else if (streq(arg1, "menu-hidden")) | |
1800 | timeout = 0; | |
1801 | else { | |
1802 | r = parse_time(arg1, &timeout, USEC_PER_SEC); | |
1803 | if (r < 0) | |
1804 | return log_error_errno(r, "Failed to parse timeout '%s': %m", arg1); | |
1805 | if (timeout != USEC_INFINITY && timeout > UINT32_MAX * USEC_PER_SEC) | |
1806 | log_warning("Timeout is too long and will be treated as 'menu-force' instead."); | |
1807 | } | |
1808 | ||
1809 | xsprintf(utf8, USEC_FMT, MIN(timeout / USEC_PER_SEC, UINT32_MAX)); | |
6663b509 | 1810 | |
39ddc32a JJ |
1811 | encoded = utf8_to_utf16(utf8, strlen(utf8)); |
1812 | if (!encoded) | |
1813 | return log_oom(); | |
6663b509 | 1814 | |
39ddc32a JJ |
1815 | *ret_timeout = encoded; |
1816 | *ret_timeout_size = char16_strlen(encoded) * 2 + 2; | |
1817 | return 0; | |
1818 | } | |
1819 | ||
c4b84347 | 1820 | static int parse_loader_entry_target_arg(const char *arg1, char16_t **ret_target, size_t *ret_target_size) { |
6663b509 | 1821 | char16_t *encoded = NULL; |
c4b84347 | 1822 | int r; |
6663b509 LP |
1823 | |
1824 | assert(arg1); | |
1825 | assert(ret_target); | |
1826 | assert(ret_target_size); | |
1827 | ||
c4b84347 | 1828 | if (streq(arg1, "@current")) { |
e6f055cb | 1829 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntrySelected), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1830 | if (r < 0) |
1831 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntrySelected': %m"); | |
6663b509 | 1832 | |
c4b84347 | 1833 | } else if (streq(arg1, "@oneshot")) { |
e6f055cb | 1834 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1835 | if (r < 0) |
1836 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryOneShot': %m"); | |
6663b509 | 1837 | |
c4b84347 | 1838 | } else if (streq(arg1, "@default")) { |
e6f055cb | 1839 | r = efi_get_variable(EFI_LOADER_VARIABLE(LoaderEntryDefault), NULL, (void *) ret_target, ret_target_size); |
c4b84347 ДГ |
1840 | if (r < 0) |
1841 | return log_error_errno(r, "Failed to get EFI variable 'LoaderEntryDefault': %m"); | |
6663b509 | 1842 | |
ee4fd9cb | 1843 | } else if (arg1[0] == '@' && !streq(arg1, "@saved")) |
6663b509 LP |
1844 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unsupported special entry identifier: %s", arg1); |
1845 | else { | |
c4b84347 ДГ |
1846 | encoded = utf8_to_utf16(arg1, strlen(arg1)); |
1847 | if (!encoded) | |
1848 | return log_oom(); | |
6663b509 | 1849 | |
c4b84347 ДГ |
1850 | *ret_target = encoded; |
1851 | *ret_target_size = char16_strlen(encoded) * 2 + 2; | |
1852 | } | |
6663b509 | 1853 | |
c4b84347 ДГ |
1854 | return 0; |
1855 | } | |
1856 | ||
39ddc32a | 1857 | static int verb_set_efivar(int argc, char *argv[], void *userdata) { |
d88c96ff LP |
1858 | int r; |
1859 | ||
baaa35ad ZJS |
1860 | if (!is_efi_boot()) |
1861 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1862 | "Not booted with UEFI."); | |
d88c96ff | 1863 | |
e6f055cb | 1864 | if (access(EFIVAR_PATH(EFI_LOADER_VARIABLE(LoaderInfo)), F_OK) < 0) { |
d88c96ff LP |
1865 | if (errno == ENOENT) { |
1866 | log_error_errno(errno, "Not booted with a supported boot loader."); | |
1867 | return -EOPNOTSUPP; | |
1868 | } | |
1869 | ||
1870 | return log_error_errno(errno, "Failed to detect whether boot loader supports '%s' operation: %m", argv[0]); | |
1871 | } | |
1872 | ||
baaa35ad ZJS |
1873 | if (detect_container() > 0) |
1874 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
1875 | "'%s' operation not supported in a container.", | |
1876 | argv[0]); | |
d88c96ff | 1877 | |
baaa35ad ZJS |
1878 | if (!arg_touch_variables) |
1879 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
39ddc32a | 1880 | "'%s' operation cannot be combined with --no-variables.", |
baaa35ad | 1881 | argv[0]); |
d88c96ff | 1882 | |
39ddc32a JJ |
1883 | const char *variable; |
1884 | int (* arg_parser)(const char *, char16_t **, size_t *); | |
1885 | ||
1886 | if (streq(argv[0], "set-default")) { | |
1887 | variable = EFI_LOADER_VARIABLE(LoaderEntryDefault); | |
1888 | arg_parser = parse_loader_entry_target_arg; | |
1889 | } else if (streq(argv[0], "set-oneshot")) { | |
1890 | variable = EFI_LOADER_VARIABLE(LoaderEntryOneShot); | |
1891 | arg_parser = parse_loader_entry_target_arg; | |
1892 | } else if (streq(argv[0], "set-timeout")) { | |
1893 | variable = EFI_LOADER_VARIABLE(LoaderConfigTimeout); | |
1894 | arg_parser = parse_timeout; | |
1895 | } else if (streq(argv[0], "set-timeout-oneshot")) { | |
1896 | variable = EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot); | |
1897 | arg_parser = parse_timeout; | |
1898 | } else | |
1899 | assert_not_reached(); | |
d88c96ff LP |
1900 | |
1901 | if (isempty(argv[1])) { | |
e6f055cb | 1902 | r = efi_set_variable(variable, NULL, 0); |
d88c96ff | 1903 | if (r < 0 && r != -ENOENT) |
e6f055cb | 1904 | return log_error_errno(r, "Failed to remove EFI variable '%s': %m", variable); |
d88c96ff | 1905 | } else { |
39ddc32a JJ |
1906 | _cleanup_free_ char16_t *value = NULL; |
1907 | size_t value_size = 0; | |
d88c96ff | 1908 | |
39ddc32a | 1909 | r = arg_parser(argv[1], &value, &value_size); |
c4b84347 ДГ |
1910 | if (r < 0) |
1911 | return r; | |
39ddc32a | 1912 | r = efi_set_variable(variable, value, value_size); |
d88c96ff | 1913 | if (r < 0) |
e6f055cb | 1914 | return log_error_errno(r, "Failed to update EFI variable '%s': %m", variable); |
d88c96ff LP |
1915 | } |
1916 | ||
1917 | return 0; | |
1918 | } | |
1919 | ||
e44c3229 LP |
1920 | static int verb_random_seed(int argc, char *argv[], void *userdata) { |
1921 | int r; | |
1922 | ||
351de38e LP |
1923 | r = find_esp_and_warn(arg_esp_path, false, &arg_esp_path, NULL, NULL, NULL, NULL); |
1924 | if (r == -ENOKEY) { | |
1925 | /* find_esp_and_warn() doesn't warn about ENOKEY, so let's do that on our own */ | |
1926 | if (!arg_graceful) | |
1927 | return log_error_errno(r, "Unable to find ESP."); | |
1928 | ||
1929 | log_notice("No ESP found, not initializing random seed."); | |
1930 | return 0; | |
1931 | } | |
e44c3229 LP |
1932 | if (r < 0) |
1933 | return r; | |
1934 | ||
1935 | r = install_random_seed(arg_esp_path); | |
1936 | if (r < 0) | |
1937 | return r; | |
1938 | ||
1939 | (void) sync_everything(); | |
1940 | return 0; | |
1941 | } | |
1942 | ||
2536752d | 1943 | static int verb_systemd_efi_options(int argc, char *argv[], void *userdata) { |
4e5aa791 ZJS |
1944 | int r; |
1945 | ||
1946 | if (argc == 1) { | |
ad2d6880 | 1947 | _cleanup_free_ char *line = NULL, *new = NULL; |
4e5aa791 | 1948 | |
2536752d | 1949 | r = systemd_efi_options_variable(&line); |
ad2d6880 ZJS |
1950 | if (r == -ENODATA) |
1951 | log_debug("No SystemdOptions EFI variable present in cache."); | |
1952 | else if (r < 0) | |
1953 | return log_error_errno(r, "Failed to read SystemdOptions EFI variable from cache: %m"); | |
1954 | else | |
1955 | puts(line); | |
1956 | ||
1957 | r = systemd_efi_options_efivarfs_if_newer(&new); | |
1958 | if (r == -ENODATA) { | |
1959 | if (line) | |
1960 | log_notice("Note: SystemdOptions EFI variable has been removed since boot."); | |
1961 | } else if (r < 0) | |
1962 | log_warning_errno(r, "Failed to check SystemdOptions EFI variable in efivarfs, ignoring: %m"); | |
1963 | else if (new && !streq_ptr(line, new)) | |
1964 | log_notice("Note: SystemdOptions EFI variable has been modified since boot. New value: %s", | |
1965 | new); | |
4e5aa791 | 1966 | } else { |
e6f055cb | 1967 | r = efi_set_variable_string(EFI_SYSTEMD_VARIABLE(SystemdOptions), argv[1]); |
4e5aa791 ZJS |
1968 | if (r < 0) |
1969 | return log_error_errno(r, "Failed to set SystemdOptions EFI variable: %m"); | |
1970 | } | |
1971 | ||
1972 | return 0; | |
1973 | } | |
1974 | ||
002914e6 LP |
1975 | static int verb_reboot_to_firmware(int argc, char *argv[], void *userdata) { |
1976 | int r; | |
1977 | ||
1978 | if (argc < 2) { | |
1979 | r = efi_get_reboot_to_firmware(); | |
1980 | if (r > 0) { | |
1981 | puts("active"); | |
1982 | return EXIT_SUCCESS; /* success */ | |
1983 | } | |
1984 | if (r == 0) { | |
1985 | puts("supported"); | |
1986 | return 1; /* recognizable error #1 */ | |
1987 | } | |
1988 | if (r == -EOPNOTSUPP) { | |
1989 | puts("not supported"); | |
1990 | return 2; /* recognizable error #2 */ | |
1991 | } | |
1992 | ||
1993 | log_error_errno(r, "Failed to query reboot-to-firmware state: %m"); | |
1994 | return 3; /* other kind of error */ | |
1995 | } else { | |
1996 | r = parse_boolean(argv[1]); | |
1997 | if (r < 0) | |
1998 | return log_error_errno(r, "Failed to parse argument: %s", argv[1]); | |
1999 | ||
2000 | r = efi_set_reboot_to_firmware(r); | |
2001 | if (r < 0) | |
2002 | return log_error_errno(r, "Failed to set reboot-to-firmware option: %m"); | |
2003 | ||
2004 | return 0; | |
2005 | } | |
2006 | } | |
2007 | ||
2f2c539c | 2008 | static int bootctl_main(int argc, char *argv[]) { |
2f2c539c | 2009 | static const Verb verbs[] = { |
2536752d ZJS |
2010 | { "help", VERB_ANY, VERB_ANY, 0, help }, |
2011 | { "status", VERB_ANY, 1, VERB_DEFAULT, verb_status }, | |
2012 | { "install", VERB_ANY, 1, 0, verb_install }, | |
2013 | { "update", VERB_ANY, 1, 0, verb_install }, | |
2014 | { "remove", VERB_ANY, 1, 0, verb_remove }, | |
2015 | { "is-installed", VERB_ANY, 1, 0, verb_is_installed }, | |
2016 | { "list", VERB_ANY, 1, 0, verb_list }, | |
39ddc32a JJ |
2017 | { "set-default", 2, 2, 0, verb_set_efivar }, |
2018 | { "set-oneshot", 2, 2, 0, verb_set_efivar }, | |
2019 | { "set-timeout", 2, 2, 0, verb_set_efivar }, | |
2020 | { "set-timeout-oneshot", 2, 2, 0, verb_set_efivar }, | |
2536752d ZJS |
2021 | { "random-seed", VERB_ANY, 1, 0, verb_random_seed }, |
2022 | { "systemd-efi-options", VERB_ANY, 2, 0, verb_systemd_efi_options }, | |
002914e6 | 2023 | { "reboot-to-firmware", VERB_ANY, 2, 0, verb_reboot_to_firmware }, |
2f2c539c LP |
2024 | {} |
2025 | }; | |
2026 | ||
2027 | return dispatch_verb(argc, argv, verbs, NULL); | |
2028 | } | |
2029 | ||
608f8ec9 | 2030 | static int run(int argc, char *argv[]) { |
601185b4 | 2031 | int r; |
7b4d7cc0 KS |
2032 | |
2033 | log_parse_environment(); | |
2034 | log_open(); | |
2035 | ||
341890de | 2036 | /* If we run in a container, automatically turn off EFI file system access */ |
2f2c539c LP |
2037 | if (detect_container() > 0) |
2038 | arg_touch_variables = false; | |
2039 | ||
7b4d7cc0 | 2040 | r = parse_argv(argc, argv); |
601185b4 | 2041 | if (r <= 0) |
608f8ec9 | 2042 | return r; |
57db6f18 | 2043 | |
608f8ec9 | 2044 | return bootctl_main(argc, argv); |
7b4d7cc0 | 2045 | } |
608f8ec9 | 2046 | |
002914e6 | 2047 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |