1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Kay Sievers
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 #include <sys/timex.h>
35 static int help(void) {
36 printf("%s [OPTIONS...] COMMAND ...\n\n"
37 "Query or change firmware and boot mananger settings.\n\n"
38 " -h --help Show this help\n"
39 " --version Show package version\n"
41 " status Show current time settings\n",
42 program_invocation_short_name);
47 static int parse_argv(int argc, char *argv[]) {
52 static const struct option options[] = {
53 { "help", no_argument, NULL, 'h' },
54 { "version", no_argument, NULL, ARG_VERSION },
62 while ((c = getopt_long(argc, argv, "+hH:P", options, NULL)) >= 0) {
72 puts(SYSTEMD_FEATURES);
79 log_error("Unknown option code %c", c);
87 static int boot_info_new(struct boot_info **info) {
91 in = new0(struct boot_info, 1);
95 err = sd_id128_get_machine(&in->machine_id);
99 err = sd_id128_get_boot(&in->boot_id);
103 in->fw_entry_active = -1;
104 in->loader_entry_active = -1;
113 static void boot_info_entries_free(struct boot_info_entry *entries, size_t n) {
116 for (i = 0; i < n; i++) {
117 free(entries[i].title);
118 free(entries[i].path);
123 static void boot_info_free(struct boot_info *info) {
126 boot_info_entries_free(info->fw_entries, info->fw_entries_count);
127 free(info->fw_entries_order);
129 free(info->loader_image_path);
130 free(info->loader_options_added);
131 boot_info_entries_free(info->loader_entries, info->loader_entries_count);
135 static int show_status(char **args, unsigned n) {
137 struct boot_info *info;
140 err = boot_info_new(&info);
144 err = boot_info_query(info);
146 printf("Identification:\n");
147 printf(" Machine ID: %s\n", sd_id128_to_string(info->machine_id, buf));
148 printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf));
151 printf("Firmware:\n");
153 printf(" Type: %s (%s)\n", info->fw_type, strna(info->fw_info));
155 if (info->fw_secure_boot >= 0)
156 printf(" Secure Boot: %s\n", info->fw_secure_boot ? "enabled" : "disabled");
157 if (info->fw_secure_boot_setup_mode >= 0)
158 printf(" Setup Mode: %s\n", info->fw_secure_boot_setup_mode ? "setup" : "user");
160 if (info->fw_entry_active >= 0) {
161 printf(" Title: %s\n", strna(info->fw_entries[info->fw_entry_active].title));
162 if (info->fw_entries[info->fw_entry_active].path)
163 printf(" Binary: %s\n", info->fw_entries[info->fw_entry_active].path);
164 if (!sd_id128_equal(info->fw_entries[info->fw_entry_active].part_uuid, SD_ID128_NULL))
165 printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
166 SD_ID128_FORMAT_VAL(info->fw_entries[info->fw_entry_active].part_uuid));
171 printf("Boot loader:\n");
172 printf(" Type: %s\n", info->loader);
173 printf(" Binary: %s\n", strna(info->loader_image_path));
174 if (!sd_id128_equal(info->loader_part_uuid, SD_ID128_NULL))
175 printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n",
176 SD_ID128_FORMAT_VAL(info->loader_part_uuid));
178 if (info->loader_entry_active >= 0) {
179 printf(" Title: %s\n", strna(info->loader_entries[info->loader_entry_active].title));
180 printf(" Entry: %s\n", info->loader_entries[info->loader_entry_active].path);
183 if (info->loader_options_added)
184 printf(" Options: %s\n", info->loader_options_added);
186 printf("No suitable data is provided by the boot manager. See:\n"
187 " http://www.freedesktop.org/wiki/Software/systemd/BootLoaderInterface\n"
188 " http://www.freedesktop.org/wiki/Specifications/BootLoaderSpec\n"
192 boot_info_free(info);
196 static int bootctl_main(int argc, char *argv[]) {
197 static const struct {
205 int (* const dispatch)(char **args, unsigned n);
207 { "status", LESS, 1, show_status },
216 left = argc - optind;
219 /* Special rule: no arguments means "status" */
222 if (streq(argv[optind], "help")) {
227 for (i = 0; i < ELEMENTSOF(verbs); i++)
228 if (streq(argv[optind], verbs[i].verb))
231 if (i >= ELEMENTSOF(verbs)) {
232 log_error("Unknown operation %s", argv[optind]);
237 switch (verbs[i].argc_cmp) {
240 if (left != verbs[i].argc) {
241 log_error("Invalid number of arguments.");
247 if (left < verbs[i].argc) {
248 log_error("Too few arguments.");
254 if (left > verbs[i].argc) {
255 log_error("Too many arguments.");
261 assert_not_reached("Unknown comparison operator.");
264 return verbs[i].dispatch(argv + optind, left);
267 int main(int argc, char *argv[]) {
268 int r, retval = EXIT_FAILURE;
270 log_parse_environment();
273 r = parse_argv(argc, argv);
277 retval = EXIT_SUCCESS;
281 r = bootctl_main(argc, argv);
282 retval = r < 0 ? EXIT_FAILURE : r;