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db1771cf | 1 | /* ls.c - command to list files and devices */ |
2 | /* | |
4b13b216 | 3 | * GRUB -- GRand Unified Bootloader |
58bc8bd5 | 4 | * Copyright (C) 2003,2005,2007,2008,2009 Free Software Foundation, Inc. |
db1771cf | 5 | * |
5a79f472 | 6 | * GRUB is free software: you can redistribute it and/or modify |
db1771cf | 7 | * it under the terms of the GNU General Public License as published by |
5a79f472 | 8 | * the Free Software Foundation, either version 3 of the License, or |
db1771cf | 9 | * (at your option) any later version. |
10 | * | |
5a79f472 | 11 | * GRUB is distributed in the hope that it will be useful, |
db1771cf | 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 | |
5a79f472 | 17 | * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
db1771cf | 18 | */ |
19 | ||
4b13b216 | 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> | |
4b13b216 | 25 | #include <grub/disk.h> |
26 | #include <grub/device.h> | |
27 | #include <grub/term.h> | |
3f1578fe | 28 | #include <grub/partition.h> |
4b13b216 | 29 | #include <grub/file.h> |
b1b797cb | 30 | #include <grub/normal.h> |
31 | #include <grub/extcmd.h> | |
05aaebfb | 32 | #include <grub/datetime.h> |
77a79592 | 33 | #include <grub/i18n.h> |
db1771cf | 34 | |
4b13b216 | 35 | static const struct grub_arg_option options[] = |
db1771cf | 36 | { |
77a79592 | 37 | {"long", 'l', 0, N_("Show a long list with more detailed information."), 0, 0}, |
38 | {"human-readable", 'h', 0, N_("Print sizes in a human readable format."), 0, 0}, | |
39 | {"all", 'a', 0, N_("List all files."), 0, 0}, | |
db1771cf | 40 | {0, 0, 0, 0, 0, 0} |
41 | }; | |
42 | ||
4b13b216 | 43 | static const char grub_human_sizes[] = {' ', 'K', 'M', 'G', 'T'}; |
db1771cf | 44 | |
4b13b216 | 45 | static grub_err_t |
6a85ce79 | 46 | grub_ls_list_devices (int longlist) |
db1771cf | 47 | { |
6a85ce79 | 48 | auto int grub_ls_print_devices (const char *name); |
49 | int grub_ls_print_devices (const char *name) | |
db1771cf | 50 | { |
6a85ce79 | 51 | if (longlist) |
52 | grub_normal_print_device_info (name); | |
53 | else | |
54 | grub_printf ("(%s) ", name); | |
b39f9d20 | 55 | |
db1771cf | 56 | return 0; |
57 | } | |
b39f9d20 | 58 | |
6a85ce79 | 59 | grub_device_iterate (grub_ls_print_devices); |
dfed5c6b | 60 | grub_xputs ("\n"); |
4b13b216 | 61 | grub_refresh (); |
db1771cf | 62 | |
db1771cf | 63 | return 0; |
64 | } | |
65 | ||
4b13b216 | 66 | static grub_err_t |
5f968e1e | 67 | grub_ls_list_files (char *dirname, int longlist, int all, int human) |
db1771cf | 68 | { |
69 | char *device_name; | |
4b13b216 | 70 | grub_fs_t fs; |
8a572cd7 | 71 | const char *path; |
4b13b216 | 72 | grub_device_t dev; |
05aaebfb | 73 | |
b39f9d20 | 74 | auto int print_files (const char *filename, |
05aaebfb | 75 | const struct grub_dirhook_info *info); |
b39f9d20 | 76 | auto int print_files_long (const char *filename, |
05aaebfb | 77 | const struct grub_dirhook_info *info); |
b39f9d20 | 78 | |
05aaebfb | 79 | int print_files (const char *filename, const struct grub_dirhook_info *info) |
db1771cf | 80 | { |
81 | if (all || filename[0] != '.') | |
05aaebfb | 82 | grub_printf ("%s%s ", filename, info->dir ? "/" : ""); |
b39f9d20 | 83 | |
db1771cf | 84 | return 0; |
85 | } | |
b39f9d20 | 86 | |
87 | int print_files_long (const char *filename, | |
05aaebfb | 88 | const struct grub_dirhook_info *info) |
db1771cf | 89 | { |
db1771cf | 90 | if ((! all) && (filename[0] == '.')) |
91 | return 0; | |
92 | ||
05aaebfb | 93 | if (! info->dir) |
db1771cf | 94 | { |
4b13b216 | 95 | grub_file_t file; |
6846cec5 | 96 | char *pathname; |
b39f9d20 | 97 | |
4b13b216 | 98 | if (dirname[grub_strlen (dirname) - 1] == '/') |
61eb45ee | 99 | pathname = grub_xasprintf ("%s%s", dirname, filename); |
db1771cf | 100 | else |
61eb45ee | 101 | pathname = grub_xasprintf ("%s/%s", dirname, filename); |
8b442f3f VS |
102 | |
103 | if (!pathname) | |
104 | return 1; | |
db1771cf | 105 | |
106 | /* XXX: For ext2fs symlinks are detected as files while they | |
107 | should be reported as directories. */ | |
fc2ef117 | 108 | grub_file_filter_disable_compression (); |
4b13b216 | 109 | file = grub_file_open (pathname); |
db1771cf | 110 | if (! file) |
111 | { | |
4b13b216 | 112 | grub_errno = 0; |
6846cec5 | 113 | grub_free (pathname); |
db1771cf | 114 | return 0; |
115 | } | |
116 | ||
117 | if (! human) | |
d687651c | 118 | grub_printf ("%-12llu", (unsigned long long) file->size); |
db1771cf | 119 | else |
120 | { | |
95614c84 | 121 | grub_uint64_t fsize = file->size * 100ULL; |
db1771cf | 122 | int fsz = file->size; |
123 | int units = 0; | |
124 | char buf[20]; | |
b39f9d20 | 125 | |
db1771cf | 126 | while (fsz / 1024) |
127 | { | |
95614c84 | 128 | fsize = (fsize + 512) / 1024; |
db1771cf | 129 | fsz /= 1024; |
130 | units++; | |
131 | } | |
132 | ||
133 | if (units) | |
134 | { | |
95614c84 | 135 | grub_uint32_t whole, fraction; |
136 | ||
137 | whole = grub_divmod64 (fsize, 100, &fraction); | |
8b442f3f VS |
138 | grub_snprintf (buf, sizeof (buf), |
139 | "%u.%02u%c", whole, fraction, | |
140 | grub_human_sizes[units]); | |
4b13b216 | 141 | grub_printf ("%-12s", buf); |
db1771cf | 142 | } |
143 | else | |
d687651c | 144 | grub_printf ("%-12llu", (unsigned long long) file->size); |
b39f9d20 | 145 | |
db1771cf | 146 | } |
25fe6f03 | 147 | grub_file_close (file); |
6846cec5 | 148 | grub_free (pathname); |
b1b797cb | 149 | } |
db1771cf | 150 | else |
4b13b216 | 151 | grub_printf ("%-12s", "DIR"); |
db1771cf | 152 | |
05aaebfb | 153 | if (info->mtimeset) |
154 | { | |
155 | struct grub_datetime datetime; | |
156 | grub_unixtime2datetime (info->mtime, &datetime); | |
157 | if (human) | |
158 | grub_printf (" %d-%02d-%02d %02d:%02d:%02d %-11s ", | |
159 | datetime.year, datetime.month, datetime.day, | |
b39f9d20 | 160 | datetime.hour, datetime.minute, |
05aaebfb | 161 | datetime.second, |
162 | grub_get_weekday_name (&datetime)); | |
163 | else | |
164 | grub_printf (" %04d%02d%02d%02d%02d%02d ", | |
b39f9d20 | 165 | datetime.year, datetime.month, |
166 | datetime.day, datetime.hour, | |
05aaebfb | 167 | datetime.minute, datetime.second); |
168 | } | |
169 | grub_printf ("%s%s\n", filename, info->dir ? "/" : ""); | |
db1771cf | 170 | |
171 | return 0; | |
172 | } | |
173 | ||
4b13b216 | 174 | device_name = grub_file_get_device_name (dirname); |
175 | dev = grub_device_open (device_name); | |
db1771cf | 176 | if (! dev) |
177 | goto fail; | |
178 | ||
4b13b216 | 179 | fs = grub_fs_probe (dev); |
8a572cd7 | 180 | path = grub_strchr (dirname, ')'); |
181 | if (! path) | |
182 | path = dirname; | |
183 | else | |
184 | path++; | |
b39f9d20 | 185 | |
db1771cf | 186 | if (! path && ! device_name) |
187 | { | |
4b13b216 | 188 | grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid argument"); |
db1771cf | 189 | goto fail; |
190 | } | |
b39f9d20 | 191 | |
7224189a | 192 | if (! *path) |
db1771cf | 193 | { |
4b13b216 | 194 | if (grub_errno == GRUB_ERR_UNKNOWN_FS) |
195 | grub_errno = GRUB_ERR_NONE; | |
992ffbbe | 196 | |
197 | grub_normal_print_device_info (device_name); | |
db1771cf | 198 | } |
199 | else if (fs) | |
200 | { | |
201 | if (longlist) | |
202 | (fs->dir) (dev, path, print_files_long); | |
203 | else | |
204 | (fs->dir) (dev, path, print_files); | |
5f968e1e | 205 | |
206 | if (grub_errno == GRUB_ERR_BAD_FILE_TYPE | |
207 | && path[grub_strlen (path) - 1] != '/') | |
208 | { | |
209 | /* PATH might be a regular file. */ | |
210 | char *p; | |
211 | grub_file_t file; | |
05aaebfb | 212 | struct grub_dirhook_info info; |
5f968e1e | 213 | grub_errno = 0; |
b39f9d20 | 214 | |
fc2ef117 | 215 | grub_file_filter_disable_compression (); |
5f968e1e | 216 | file = grub_file_open (dirname); |
217 | if (! file) | |
218 | goto fail; | |
b39f9d20 | 219 | |
5f968e1e | 220 | grub_file_close (file); |
b39f9d20 | 221 | |
5f968e1e | 222 | p = grub_strrchr (dirname, '/') + 1; |
223 | dirname = grub_strndup (dirname, p - dirname); | |
224 | if (! dirname) | |
225 | goto fail; | |
226 | ||
227 | all = 1; | |
05aaebfb | 228 | grub_memset (&info, 0, sizeof (info)); |
5f968e1e | 229 | if (longlist) |
05aaebfb | 230 | print_files_long (p, &info); |
5f968e1e | 231 | else |
05aaebfb | 232 | print_files (p, &info); |
5f968e1e | 233 | |
234 | grub_free (dirname); | |
235 | } | |
236 | ||
237 | if (grub_errno == GRUB_ERR_NONE) | |
dfed5c6b | 238 | grub_xputs ("\n"); |
b39f9d20 | 239 | |
4b13b216 | 240 | grub_refresh (); |
db1771cf | 241 | } |
242 | ||
243 | fail: | |
244 | if (dev) | |
4b13b216 | 245 | grub_device_close (dev); |
b39f9d20 | 246 | |
4b13b216 | 247 | grub_free (device_name); |
db1771cf | 248 | |
249 | return 0; | |
250 | } | |
251 | ||
4b13b216 | 252 | static grub_err_t |
28be0e94 | 253 | grub_cmd_ls (grub_extcmd_context_t ctxt, int argc, char **args) |
db1771cf | 254 | { |
28be0e94 | 255 | struct grub_arg_list *state = ctxt->state; |
84fb3b3d | 256 | int i; |
b1b797cb | 257 | |
db1771cf | 258 | if (argc == 0) |
6a85ce79 | 259 | grub_ls_list_devices (state[0].set); |
db1771cf | 260 | else |
84fb3b3d VS |
261 | for (i = 0; i < argc; i++) |
262 | grub_ls_list_files (args[i], state[0].set, state[2].set, | |
263 | state[1].set); | |
db1771cf | 264 | |
265 | return 0; | |
266 | } | |
267 | ||
b1b797cb | 268 | static grub_extcmd_t cmd; |
269 | ||
6d099807 | 270 | GRUB_MOD_INIT(ls) |
db1771cf | 271 | { |
b1b797cb | 272 | cmd = grub_register_extcmd ("ls", grub_cmd_ls, GRUB_COMMAND_FLAG_BOTH, |
77a79592 | 273 | N_("[-l|-h|-a] [FILE]"), |
274 | N_("List devices and files."), options); | |
db1771cf | 275 | } |
276 | ||
6d099807 | 277 | GRUB_MOD_FINI(ls) |
db1771cf | 278 | { |
b1b797cb | 279 | grub_unregister_extcmd (cmd); |
db1771cf | 280 | } |