5 *
6 * GRUB is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * GRUB is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <grub/types.h>
21 #include <grub/misc.h>
22 #include <grub/mm.h>
23 #include <grub/err.h>
24 #include <grub/dl.h>
25 #include <grub/device.h>
26 #include <grub/file.h>
27 #include <grub/env.h>
28 #include <grub/command.h>
29 #include <grub/search.h>
30 #include <grub/i18n.h>
31 #include <grub/disk.h>
32 #include <grub/partition.h>
33
34 GRUB_MOD_LICENSE ("GPLv3+");
35
36 struct cache_entry
37 {
38 struct cache_entry *next;
39 char *key;
40 char *value;
41 };
42
43 static struct cache_entry *cache;
44
45 void
46 FUNC_NAME (const char *key, const char *var, int no_floppy,
47 char **hints, unsigned nhints)
48 {
49 int count = 0;
50 int is_cache = 0;
51 grub_fs_autoload_hook_t saved_autoload;
52
53 auto int iterate_device (const char *name);
54 int iterate_device (const char *name)
55 {
56 int found = 0;
57
58 /* Skip floppy drives when requested. */
59 if (no_floppy &&
60 name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
61 return 0;
62
63 #ifdef DO_SEARCH_FS_UUID
64 #define compare_fn grub_strcasecmp
65 #else
66 #define compare_fn grub_strcmp
67 #endif
68
69 #ifdef DO_SEARCH_FILE
70 {
131 if (cache_ent->value && cache_ent->key)
132 {
133 cache_ent->next = cache;
134 cache = cache_ent;
135 }
136 else
137 {
138 grub_free (cache_ent->value);
139 grub_free (cache_ent->key);
140 grub_free (cache_ent);
141 grub_errno = GRUB_ERR_NONE;
142 }
143 }
144 else
145 grub_errno = GRUB_ERR_NONE;
146 }
147
148 if (found)
149 {
150 count++;
151 if (var)
152 grub_env_set (var, name);
153 else
154 grub_printf (" %s", name);
155 }
156
157 grub_errno = GRUB_ERR_NONE;
158 return (found && var);
159 }
160
161 auto int part_hook (grub_disk_t disk, const grub_partition_t partition);
162 int part_hook (grub_disk_t disk, const grub_partition_t partition)
163 {
164 char *partition_name, *devname;
165 int ret;
166
167 partition_name = grub_partition_get_name (partition);
168 if (! partition_name)
169 return 1;
170
171 devname = grub_xasprintf ("%s,%s", disk->name, partition_name);
172 grub_free (partition_name);
173 if (!devname)
174 return 1;
175 ret = iterate_device (devname);
176 grub_free (devname);
177
178 return ret;
263
264 /* Retry with autoload if nothing found. */
265 if (grub_errno == GRUB_ERR_NONE && count == 0)
266 try ();
267 }
268 else
269 try ();
270
271 if (grub_errno == GRUB_ERR_NONE && count == 0)
272 grub_error (GRUB_ERR_FILE_NOT_FOUND, "no such device: %s", key);
273 }
274
275 static grub_err_t
276 grub_cmd_do_search (grub_command_t cmd __attribute__ ((unused)), int argc,
277 char **args)
278 {
279 if (argc == 0)
280 return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
281
282 FUNC_NAME (args[0], argc == 1 ? 0 : args[1], 0, (args + 2),
283 argc > 2 ? argc - 2 : 0);
284
285 return grub_errno;
286 }
287
288 static grub_command_t cmd;
289
290 #ifdef DO_SEARCH_FILE
291 GRUB_MOD_INIT(search_fs_file)
292 #elif defined (DO_SEARCH_FS_UUID)
293 GRUB_MOD_INIT(search_fs_uuid)
294 #else
295 GRUB_MOD_INIT(search_label)
296 #endif
297 {
298 cmd =
299 grub_register_command (COMMAND_NAME, grub_cmd_do_search,
300 N_("NAME [VARIABLE] [HINTS]"),
301 HELP_MESSAGE);
302 }
303
|
5 *
6 * GRUB is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * GRUB is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include <grub/types.h>
21 #include <grub/misc.h>
22 #include <grub/mm.h>
23 #include <grub/err.h>
24 #include <grub/dl.h>
25 #include <grub/zfs/zfs.h>
26 #include <grub/device.h>
27 #include <grub/file.h>
28 #include <grub/env.h>
29 #include <grub/command.h>
30 #include <grub/search.h>
31 #include <grub/i18n.h>
32 #include <grub/disk.h>
33 #include <grub/partition.h>
34
35 GRUB_MOD_LICENSE ("GPLv3+");
36
37 struct cache_entry
38 {
39 struct cache_entry *next;
40 char *key;
41 char *value;
42 };
43
44 static struct cache_entry *cache;
45
46 void
47 FUNC_NAME (const char *key, const char *var, int no_floppy,
48 char **hints, unsigned nhints, int mirror)
49 {
50 int count = 0;
51 int is_cache = 0;
52 grub_uint64_t txg = 0;
53 grub_fs_autoload_hook_t saved_autoload;
54
55 auto int iterate_device (const char *name);
56 int iterate_device (const char *name)
57 {
58 int found = 0;
59
60 /* Skip floppy drives when requested. */
61 if (no_floppy &&
62 name[0] == 'f' && name[1] == 'd' && name[2] >= '0' && name[2] <= '9')
63 return 0;
64
65 #ifdef DO_SEARCH_FS_UUID
66 #define compare_fn grub_strcasecmp
67 #else
68 #define compare_fn grub_strcmp
69 #endif
70
71 #ifdef DO_SEARCH_FILE
72 {
133 if (cache_ent->value && cache_ent->key)
134 {
135 cache_ent->next = cache;
136 cache = cache_ent;
137 }
138 else
139 {
140 grub_free (cache_ent->value);
141 grub_free (cache_ent->key);
142 grub_free (cache_ent);
143 grub_errno = GRUB_ERR_NONE;
144 }
145 }
146 else
147 grub_errno = GRUB_ERR_NONE;
148 }
149
150 if (found)
151 {
152 count++;
153 if (var) {
154 if (! mirror) {
155 grub_env_set (var, name);
156 } else {
157 grub_uint64_t tmp_txg = 0;
158 char * nvlist = NULL;
159 grub_device_t dev = grub_device_open (name);
160 if (! dev) {
161 grub_errno = GRUB_ERR_BAD_DEVICE;
162 return 0;
163 }
164 grub_errno = grub_zfs_fetch_nvlist (dev, &nvlist);
165 grub_device_close (dev);
166 if (grub_errno)
167 return 0;
168 grub_zfs_nvlist_lookup_uint64 (nvlist, ZPOOL_CONFIG_POOL_TXG, &tmp_txg);
169 if (tmp_txg > txg) {
170 grub_env_set (var, name);
171 txg = tmp_txg;
172 }
173 grub_free (nvlist);
174 }
175 } else {
176 grub_printf (" %s", name);
177 }
178 }
179
180 grub_errno = GRUB_ERR_NONE;
181 return (found && var && !mirror);
182 }
183
184 auto int part_hook (grub_disk_t disk, const grub_partition_t partition);
185 int part_hook (grub_disk_t disk, const grub_partition_t partition)
186 {
187 char *partition_name, *devname;
188 int ret;
189
190 partition_name = grub_partition_get_name (partition);
191 if (! partition_name)
192 return 1;
193
194 devname = grub_xasprintf ("%s,%s", disk->name, partition_name);
195 grub_free (partition_name);
196 if (!devname)
197 return 1;
198 ret = iterate_device (devname);
199 grub_free (devname);
200
201 return ret;
286
287 /* Retry with autoload if nothing found. */
288 if (grub_errno == GRUB_ERR_NONE && count == 0)
289 try ();
290 }
291 else
292 try ();
293
294 if (grub_errno == GRUB_ERR_NONE && count == 0)
295 grub_error (GRUB_ERR_FILE_NOT_FOUND, "no such device: %s", key);
296 }
297
298 static grub_err_t
299 grub_cmd_do_search (grub_command_t cmd __attribute__ ((unused)), int argc,
300 char **args)
301 {
302 if (argc == 0)
303 return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
304
305 FUNC_NAME (args[0], argc == 1 ? 0 : args[1], 0, (args + 2),
306 argc > 2 ? argc - 2 : 0, 0);
307
308 return grub_errno;
309 }
310
311 static grub_command_t cmd;
312
313 #ifdef DO_SEARCH_FILE
314 GRUB_MOD_INIT(search_fs_file)
315 #elif defined (DO_SEARCH_FS_UUID)
316 GRUB_MOD_INIT(search_fs_uuid)
317 #else
318 GRUB_MOD_INIT(search_label)
319 #endif
320 {
321 cmd =
322 grub_register_command (COMMAND_NAME, grub_cmd_do_search,
323 N_("NAME [VARIABLE] [HINTS]"),
324 HELP_MESSAGE);
325 }
326
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