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7b4d7cc0 KS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Kay Sievers | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdlib.h> | |
23 | #include <stdbool.h> | |
24 | #include <unistd.h> | |
25 | #include <getopt.h> | |
26 | #include <locale.h> | |
27 | #include <string.h> | |
28 | #include <sys/timex.h> | |
29 | ||
30 | #include "boot.h" | |
31 | #include "build.h" | |
32 | #include "util.h" | |
33 | #include "utf8.h" | |
34 | ||
601185b4 | 35 | static void help(void) { |
7b4d7cc0 | 36 | printf("%s [OPTIONS...] COMMAND ...\n\n" |
82de16f9 | 37 | "Query or change firmware and boot manager settings.\n\n" |
7b4d7cc0 KS |
38 | " -h --help Show this help\n" |
39 | " --version Show package version\n" | |
40 | "Commands:\n" | |
601185b4 ZJS |
41 | " status Show current boot settings\n" |
42 | , program_invocation_short_name); | |
7b4d7cc0 KS |
43 | } |
44 | ||
45 | static int parse_argv(int argc, char *argv[]) { | |
46 | enum { | |
47 | ARG_VERSION = 0x100, | |
48 | }; | |
49 | ||
50 | static const struct option options[] = { | |
601185b4 ZJS |
51 | { "help", no_argument, NULL, 'h' }, |
52 | { "version", no_argument, NULL, ARG_VERSION }, | |
eb9da376 | 53 | {} |
7b4d7cc0 KS |
54 | }; |
55 | ||
56 | int c; | |
57 | ||
58 | assert(argc >= 0); | |
59 | assert(argv); | |
eb9da376 | 60 | |
601185b4 | 61 | while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) |
7b4d7cc0 KS |
62 | |
63 | switch (c) { | |
64 | ||
65 | case 'h': | |
601185b4 ZJS |
66 | help(); |
67 | return 0; | |
7b4d7cc0 KS |
68 | |
69 | case ARG_VERSION: | |
70 | puts(PACKAGE_STRING); | |
71 | puts(SYSTEMD_FEATURES); | |
72 | return 0; | |
73 | ||
74 | case '?': | |
75 | return -EINVAL; | |
76 | ||
77 | default: | |
eb9da376 | 78 | assert_not_reached("Unhandled option"); |
7b4d7cc0 | 79 | } |
7b4d7cc0 KS |
80 | |
81 | return 1; | |
82 | } | |
83 | ||
84 | static int boot_info_new(struct boot_info **info) { | |
85 | struct boot_info *in; | |
86 | int err; | |
87 | ||
88 | in = new0(struct boot_info, 1); | |
89 | if (!in) | |
90 | return -ENOMEM; | |
91 | ||
92 | err = sd_id128_get_machine(&in->machine_id); | |
93 | if (err < 0) | |
94 | goto err; | |
95 | ||
96 | err = sd_id128_get_boot(&in->boot_id); | |
97 | if (err < 0) | |
98 | goto err; | |
99 | ||
100 | in->fw_entry_active = -1; | |
101 | in->loader_entry_active = -1; | |
102 | ||
103 | *info = in; | |
104 | return 0; | |
105 | err: | |
106 | free(in); | |
107 | return err; | |
108 | } | |
109 | ||
110 | static void boot_info_entries_free(struct boot_info_entry *entries, size_t n) { | |
111 | size_t i; | |
112 | ||
113 | for (i = 0; i < n; i++) { | |
114 | free(entries[i].title); | |
115 | free(entries[i].path); | |
116 | } | |
117 | free(entries); | |
118 | } | |
119 | ||
120 | static void boot_info_free(struct boot_info *info) { | |
121 | free(info->fw_type); | |
122 | free(info->fw_info); | |
123 | boot_info_entries_free(info->fw_entries, info->fw_entries_count); | |
124 | free(info->fw_entries_order); | |
125 | free(info->loader); | |
126 | free(info->loader_image_path); | |
127 | free(info->loader_options_added); | |
128 | boot_info_entries_free(info->loader_entries, info->loader_entries_count); | |
129 | free(info); | |
130 | } | |
131 | ||
132 | static int show_status(char **args, unsigned n) { | |
133 | char buf[64]; | |
134 | struct boot_info *info; | |
135 | int err; | |
136 | ||
137 | err = boot_info_new(&info); | |
138 | if (err < 0) | |
139 | return -ENOMEM; | |
140 | ||
141 | err = boot_info_query(info); | |
142 | ||
33696ef4 | 143 | printf("System:\n"); |
3483fab9 | 144 | printf(" Machine ID: %s\n", sd_id128_to_string(info->machine_id, buf)); |
bc6f2e7c | 145 | printf(" Boot ID: %s\n", sd_id128_to_string(info->boot_id, buf)); |
7b4d7cc0 | 146 | if (info->fw_type) |
33696ef4 | 147 | printf(" Firmware: %s (%s)\n", info->fw_type, strna(info->fw_info)); |
bc6f2e7c KS |
148 | if (info->fw_secure_boot >= 0) |
149 | printf(" Secure Boot: %s\n", info->fw_secure_boot ? "enabled" : "disabled"); | |
150 | if (info->fw_secure_boot_setup_mode >= 0) | |
0876dc1c | 151 | printf(" Setup Mode: %s\n", info->fw_secure_boot_setup_mode ? "setup" : "user"); |
33696ef4 | 152 | printf("\n"); |
7b4d7cc0 KS |
153 | |
154 | if (info->fw_entry_active >= 0) { | |
33696ef4 | 155 | printf("Selected Firmware Entry:\n"); |
bc6f2e7c | 156 | printf(" Title: %s\n", strna(info->fw_entries[info->fw_entry_active].title)); |
7b4d7cc0 | 157 | if (!sd_id128_equal(info->fw_entries[info->fw_entry_active].part_uuid, SD_ID128_NULL)) |
0014c522 | 158 | printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", |
abb381b3 | 159 | SD_ID128_FORMAT_VAL(info->fw_entries[info->fw_entry_active].part_uuid)); |
33696ef4 | 160 | else |
0014c522 | 161 | printf(" Partition: n/a\n"); |
33696ef4 KS |
162 | if (info->fw_entries[info->fw_entry_active].path) |
163 | printf(" File: %s%s\n", draw_special_char(DRAW_TREE_RIGHT), info->fw_entries[info->fw_entry_active].path); | |
7b4d7cc0 | 164 | } |
bc6f2e7c | 165 | printf("\n"); |
7b4d7cc0 KS |
166 | |
167 | if (info->loader) { | |
33696ef4 KS |
168 | printf("Boot Loader:\n"); |
169 | printf(" Product: %s\n", info->loader); | |
7b4d7cc0 | 170 | if (!sd_id128_equal(info->loader_part_uuid, SD_ID128_NULL)) |
0014c522 | 171 | printf(" Partition: /dev/disk/by-partuuid/%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\n", |
abb381b3 | 172 | SD_ID128_FORMAT_VAL(info->loader_part_uuid)); |
33696ef4 | 173 | else |
0014c522 | 174 | printf(" Partition: n/a\n"); |
33696ef4 KS |
175 | printf(" File: %s%s\n", draw_special_char(DRAW_TREE_RIGHT), strna(info->loader_image_path)); |
176 | printf("\n"); | |
7b4d7cc0 KS |
177 | |
178 | if (info->loader_entry_active >= 0) { | |
33696ef4 | 179 | printf("Selected Boot Loader Entry:\n"); |
bc6f2e7c | 180 | printf(" Title: %s\n", strna(info->loader_entries[info->loader_entry_active].title)); |
33696ef4 KS |
181 | printf(" File: %s\n", info->loader_entries[info->loader_entry_active].path); |
182 | if (info->loader_options_added) | |
183 | printf(" Options: %s\n", info->loader_options_added); | |
7b4d7cc0 | 184 | } |
7b4d7cc0 KS |
185 | } else |
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" | |
189 | "for details.\n"); | |
190 | printf("\n"); | |
191 | ||
192 | boot_info_free(info); | |
193 | return err; | |
194 | } | |
195 | ||
196 | static int bootctl_main(int argc, char *argv[]) { | |
197 | static const struct { | |
198 | const char* verb; | |
199 | const enum { | |
200 | MORE, | |
201 | LESS, | |
202 | EQUAL | |
203 | } argc_cmp; | |
204 | const int argc; | |
205 | int (* const dispatch)(char **args, unsigned n); | |
206 | } verbs[] = { | |
207 | { "status", LESS, 1, show_status }, | |
208 | }; | |
209 | ||
210 | int left; | |
211 | unsigned i; | |
212 | ||
213 | assert(argc >= 0); | |
214 | assert(argv); | |
215 | ||
216 | left = argc - optind; | |
217 | ||
218 | if (left <= 0) | |
219 | /* Special rule: no arguments means "status" */ | |
220 | i = 0; | |
221 | else { | |
222 | if (streq(argv[optind], "help")) { | |
223 | help(); | |
224 | return 0; | |
225 | } | |
226 | ||
227 | for (i = 0; i < ELEMENTSOF(verbs); i++) | |
228 | if (streq(argv[optind], verbs[i].verb)) | |
229 | break; | |
230 | ||
231 | if (i >= ELEMENTSOF(verbs)) { | |
232 | log_error("Unknown operation %s", argv[optind]); | |
233 | return -EINVAL; | |
234 | } | |
235 | } | |
236 | ||
237 | switch (verbs[i].argc_cmp) { | |
238 | ||
239 | case EQUAL: | |
240 | if (left != verbs[i].argc) { | |
241 | log_error("Invalid number of arguments."); | |
242 | return -EINVAL; | |
243 | } | |
244 | break; | |
245 | ||
246 | case MORE: | |
247 | if (left < verbs[i].argc) { | |
248 | log_error("Too few arguments."); | |
249 | return -EINVAL; | |
250 | } | |
251 | break; | |
252 | ||
253 | case LESS: | |
254 | if (left > verbs[i].argc) { | |
255 | log_error("Too many arguments."); | |
256 | return -EINVAL; | |
257 | } | |
258 | break; | |
259 | ||
260 | default: | |
261 | assert_not_reached("Unknown comparison operator."); | |
262 | } | |
263 | ||
264 | return verbs[i].dispatch(argv + optind, left); | |
265 | } | |
266 | ||
267 | int main(int argc, char *argv[]) { | |
601185b4 | 268 | int r; |
7b4d7cc0 KS |
269 | |
270 | log_parse_environment(); | |
271 | log_open(); | |
272 | ||
273 | r = parse_argv(argc, argv); | |
601185b4 | 274 | if (r <= 0) |
7b4d7cc0 | 275 | goto finish; |
7b4d7cc0 KS |
276 | |
277 | r = bootctl_main(argc, argv); | |
601185b4 ZJS |
278 | |
279 | finish: | |
280 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; | |
7b4d7cc0 | 281 | } |