diff options
Diffstat (limited to 'util-linux/e2p/ls.c')
-rw-r--r-- | util-linux/e2p/ls.c | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/util-linux/e2p/ls.c b/util-linux/e2p/ls.c new file mode 100644 index 000000000..e8d9d482d --- /dev/null +++ b/util-linux/e2p/ls.c | |||
@@ -0,0 +1,276 @@ | |||
1 | /* | ||
2 | * ls.c - List the contents of an ext2fs superblock | ||
3 | * | ||
4 | * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> | ||
5 | * Laboratoire MASI, Institut Blaise Pascal | ||
6 | * Universite Pierre et Marie Curie (Paris VI) | ||
7 | * | ||
8 | * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu> | ||
9 | * | ||
10 | * This file can be redistributed under the terms of the GNU Library General | ||
11 | * Public License | ||
12 | */ | ||
13 | |||
14 | #include <stdio.h> | ||
15 | #include <sys/types.h> | ||
16 | #include <string.h> | ||
17 | #include <grp.h> | ||
18 | #include <pwd.h> | ||
19 | #include <time.h> | ||
20 | |||
21 | #include "e2p.h" | ||
22 | |||
23 | static void print_user (unsigned short uid, FILE *f) | ||
24 | { | ||
25 | struct passwd *pw; | ||
26 | |||
27 | fprintf(f, "%u ", uid); | ||
28 | pw = getpwuid (uid); | ||
29 | if (pw == NULL) | ||
30 | fprintf(f, "(user unknown)\n"); | ||
31 | else | ||
32 | fprintf(f, "(user %s)\n", pw->pw_name); | ||
33 | } | ||
34 | |||
35 | static void print_group (unsigned short gid, FILE *f) | ||
36 | { | ||
37 | struct group *gr; | ||
38 | |||
39 | fprintf(f, "%u ", gid); | ||
40 | gr = getgrgid (gid); | ||
41 | if (gr == NULL) | ||
42 | fprintf(f, "(group unknown)\n"); | ||
43 | else | ||
44 | fprintf(f, "(group %s)\n", gr->gr_name); | ||
45 | } | ||
46 | |||
47 | #define MONTH_INT (86400 * 30) | ||
48 | #define WEEK_INT (86400 * 7) | ||
49 | #define DAY_INT (86400) | ||
50 | #define HOUR_INT (60 * 60) | ||
51 | #define MINUTE_INT (60) | ||
52 | |||
53 | static const char *interval_string(unsigned int secs) | ||
54 | { | ||
55 | static char buf[256], tmp[80]; | ||
56 | int hr, min, num; | ||
57 | |||
58 | buf[0] = 0; | ||
59 | |||
60 | if (secs == 0) | ||
61 | return "<none>"; | ||
62 | |||
63 | if (secs >= MONTH_INT) { | ||
64 | num = secs / MONTH_INT; | ||
65 | secs -= num*MONTH_INT; | ||
66 | sprintf(buf, "%d month%s", num, (num>1) ? "s" : ""); | ||
67 | } | ||
68 | if (secs >= WEEK_INT) { | ||
69 | num = secs / WEEK_INT; | ||
70 | secs -= num*WEEK_INT; | ||
71 | sprintf(tmp, "%s%d week%s", buf[0] ? ", " : "", | ||
72 | num, (num>1) ? "s" : ""); | ||
73 | strcat(buf, tmp); | ||
74 | } | ||
75 | if (secs >= DAY_INT) { | ||
76 | num = secs / DAY_INT; | ||
77 | secs -= num*DAY_INT; | ||
78 | sprintf(tmp, "%s%d day%s", buf[0] ? ", " : "", | ||
79 | num, (num>1) ? "s" : ""); | ||
80 | strcat(buf, tmp); | ||
81 | } | ||
82 | if (secs > 0) { | ||
83 | hr = secs / HOUR_INT; | ||
84 | secs -= hr*HOUR_INT; | ||
85 | min = secs / MINUTE_INT; | ||
86 | secs -= min*MINUTE_INT; | ||
87 | sprintf(tmp, "%s%d:%02d:%02d", buf[0] ? ", " : "", | ||
88 | hr, min, secs); | ||
89 | strcat(buf, tmp); | ||
90 | } | ||
91 | return buf; | ||
92 | } | ||
93 | |||
94 | static void print_features(struct ext2_super_block * s, FILE *f) | ||
95 | { | ||
96 | #ifdef EXT2_DYNAMIC_REV | ||
97 | int i, j, printed=0; | ||
98 | __u32 *mask = &s->s_feature_compat, m; | ||
99 | |||
100 | fprintf(f, "Filesystem features: "); | ||
101 | for (i=0; i <3; i++,mask++) { | ||
102 | for (j=0,m=1; j < 32; j++, m<<=1) { | ||
103 | if (*mask & m) { | ||
104 | fprintf(f, " %s", e2p_feature2string(i, m)); | ||
105 | printed++; | ||
106 | } | ||
107 | } | ||
108 | } | ||
109 | if (printed == 0) | ||
110 | fprintf(f, " (none)"); | ||
111 | fprintf(f, "\n"); | ||
112 | #endif | ||
113 | } | ||
114 | |||
115 | static void print_mntopts(struct ext2_super_block * s, FILE *f) | ||
116 | { | ||
117 | #ifdef EXT2_DYNAMIC_REV | ||
118 | int i, printed=0; | ||
119 | __u32 mask = s->s_default_mount_opts, m; | ||
120 | |||
121 | fprintf(f, "Default mount options: "); | ||
122 | if (mask & EXT3_DEFM_JMODE) { | ||
123 | fprintf(f, " %s", e2p_mntopt2string(mask & EXT3_DEFM_JMODE)); | ||
124 | printed++; | ||
125 | } | ||
126 | for (i=0,m=1; i < 32; i++, m<<=1) { | ||
127 | if (m & EXT3_DEFM_JMODE) | ||
128 | continue; | ||
129 | if (mask & m) { | ||
130 | fprintf(f, " %s", e2p_mntopt2string(m)); | ||
131 | printed++; | ||
132 | } | ||
133 | } | ||
134 | if (printed == 0) | ||
135 | fprintf(f, " (none)"); | ||
136 | fprintf(f, "\n"); | ||
137 | #endif | ||
138 | } | ||
139 | |||
140 | |||
141 | #ifndef EXT2_INODE_SIZE | ||
142 | #define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode) | ||
143 | #endif | ||
144 | |||
145 | #ifndef EXT2_GOOD_OLD_REV | ||
146 | #define EXT2_GOOD_OLD_REV 0 | ||
147 | #endif | ||
148 | |||
149 | void list_super2(struct ext2_super_block * sb, FILE *f) | ||
150 | { | ||
151 | int inode_blocks_per_group; | ||
152 | char buf[80], *str; | ||
153 | time_t tm; | ||
154 | |||
155 | inode_blocks_per_group = (((sb->s_inodes_per_group * | ||
156 | EXT2_INODE_SIZE(sb)) + | ||
157 | EXT2_BLOCK_SIZE(sb) - 1) / | ||
158 | EXT2_BLOCK_SIZE(sb)); | ||
159 | if (sb->s_volume_name[0]) { | ||
160 | memset(buf, 0, sizeof(buf)); | ||
161 | strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name)); | ||
162 | } else | ||
163 | strcpy(buf, "<none>"); | ||
164 | fprintf(f, "Filesystem volume name: %s\n", buf); | ||
165 | if (sb->s_last_mounted[0]) { | ||
166 | memset(buf, 0, sizeof(buf)); | ||
167 | strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted)); | ||
168 | } else | ||
169 | strcpy(buf, "<not available>"); | ||
170 | fprintf(f, "Last mounted on: %s\n", buf); | ||
171 | fprintf(f, "Filesystem UUID: %s\n", e2p_uuid2str(sb->s_uuid)); | ||
172 | fprintf(f, "Filesystem magic number: 0x%04X\n", sb->s_magic); | ||
173 | fprintf(f, "Filesystem revision #: %d", sb->s_rev_level); | ||
174 | if (sb->s_rev_level == EXT2_GOOD_OLD_REV) { | ||
175 | fprintf(f, " (original)\n"); | ||
176 | #ifdef EXT2_DYNAMIC_REV | ||
177 | } else if (sb->s_rev_level == EXT2_DYNAMIC_REV) { | ||
178 | fprintf(f, " (dynamic)\n"); | ||
179 | #endif | ||
180 | } else | ||
181 | fprintf(f, " (unknown)\n"); | ||
182 | print_features(sb, f); | ||
183 | print_mntopts(sb, f); | ||
184 | fprintf(f, "Filesystem state: "); | ||
185 | print_fs_state (f, sb->s_state); | ||
186 | fprintf(f, "\n"); | ||
187 | fprintf(f, "Errors behavior: "); | ||
188 | print_fs_errors(f, sb->s_errors); | ||
189 | fprintf(f, "\n"); | ||
190 | str = e2p_os2string(sb->s_creator_os); | ||
191 | fprintf(f, "Filesystem OS type: %s\n", str); | ||
192 | free(str); | ||
193 | fprintf(f, "Inode count: %u\n", sb->s_inodes_count); | ||
194 | fprintf(f, "Block count: %u\n", sb->s_blocks_count); | ||
195 | fprintf(f, "Reserved block count: %u\n", sb->s_r_blocks_count); | ||
196 | fprintf(f, "Free blocks: %u\n", sb->s_free_blocks_count); | ||
197 | fprintf(f, "Free inodes: %u\n", sb->s_free_inodes_count); | ||
198 | fprintf(f, "First block: %u\n", sb->s_first_data_block); | ||
199 | fprintf(f, "Block size: %u\n", EXT2_BLOCK_SIZE(sb)); | ||
200 | fprintf(f, "Fragment size: %u\n", EXT2_FRAG_SIZE(sb)); | ||
201 | if (sb->s_reserved_gdt_blocks) | ||
202 | fprintf(f, "Reserved GDT blocks: %u\n", | ||
203 | sb->s_reserved_gdt_blocks); | ||
204 | fprintf(f, "Blocks per group: %u\n", sb->s_blocks_per_group); | ||
205 | fprintf(f, "Fragments per group: %u\n", sb->s_frags_per_group); | ||
206 | fprintf(f, "Inodes per group: %u\n", sb->s_inodes_per_group); | ||
207 | fprintf(f, "Inode blocks per group: %u\n", inode_blocks_per_group); | ||
208 | if (sb->s_first_meta_bg) | ||
209 | fprintf(f, "First meta block group: %u\n", | ||
210 | sb->s_first_meta_bg); | ||
211 | if (sb->s_mkfs_time) { | ||
212 | tm = sb->s_mkfs_time; | ||
213 | fprintf(f, "Filesystem created: %s", ctime(&tm)); | ||
214 | } | ||
215 | tm = sb->s_mtime; | ||
216 | fprintf(f, "Last mount time: %s", | ||
217 | sb->s_mtime ? ctime(&tm) : "n/a\n"); | ||
218 | tm = sb->s_wtime; | ||
219 | fprintf(f, "Last write time: %s", ctime(&tm)); | ||
220 | fprintf(f, "Mount count: %u\n", sb->s_mnt_count); | ||
221 | fprintf(f, "Maximum mount count: %d\n", sb->s_max_mnt_count); | ||
222 | tm = sb->s_lastcheck; | ||
223 | fprintf(f, "Last checked: %s", ctime(&tm)); | ||
224 | fprintf(f, "Check interval: %u (%s)\n", sb->s_checkinterval, | ||
225 | interval_string(sb->s_checkinterval)); | ||
226 | if (sb->s_checkinterval) | ||
227 | { | ||
228 | time_t next; | ||
229 | |||
230 | next = sb->s_lastcheck + sb->s_checkinterval; | ||
231 | fprintf(f, "Next check after: %s", ctime(&next)); | ||
232 | } | ||
233 | fprintf(f, "Reserved blocks uid: "); | ||
234 | print_user(sb->s_def_resuid, f); | ||
235 | fprintf(f, "Reserved blocks gid: "); | ||
236 | print_group(sb->s_def_resgid, f); | ||
237 | if (sb->s_rev_level >= EXT2_DYNAMIC_REV) { | ||
238 | fprintf(f, "First inode: %d\n", sb->s_first_ino); | ||
239 | fprintf(f, "Inode size: %d\n", sb->s_inode_size); | ||
240 | } | ||
241 | if (!e2p_is_null_uuid(sb->s_journal_uuid)) | ||
242 | fprintf(f, "Journal UUID: %s\n", | ||
243 | e2p_uuid2str(sb->s_journal_uuid)); | ||
244 | if (sb->s_journal_inum) | ||
245 | fprintf(f, "Journal inode: %u\n", | ||
246 | sb->s_journal_inum); | ||
247 | if (sb->s_journal_dev) | ||
248 | fprintf(f, "Journal device: 0x%04x\n", | ||
249 | sb->s_journal_dev); | ||
250 | if (sb->s_last_orphan) | ||
251 | fprintf(f, "First orphan inode: %u\n", | ||
252 | sb->s_last_orphan); | ||
253 | if ((sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) || | ||
254 | sb->s_def_hash_version) | ||
255 | fprintf(f, "Default directory hash: %s\n", | ||
256 | e2p_hash2string(sb->s_def_hash_version)); | ||
257 | if (!e2p_is_null_uuid(sb->s_hash_seed)) | ||
258 | fprintf(f, "Directory Hash Seed: %s\n", | ||
259 | e2p_uuid2str(sb->s_hash_seed)); | ||
260 | if (sb->s_jnl_backup_type) { | ||
261 | fprintf(f, "Journal backup: "); | ||
262 | switch (sb->s_jnl_backup_type) { | ||
263 | case 1: | ||
264 | fprintf(f, "inode blocks\n"); | ||
265 | break; | ||
266 | default: | ||
267 | fprintf(f, "type %u\n", sb->s_jnl_backup_type); | ||
268 | } | ||
269 | } | ||
270 | } | ||
271 | |||
272 | void list_super (struct ext2_super_block * s) | ||
273 | { | ||
274 | list_super2(s, stdout); | ||
275 | } | ||
276 | |||