blob: 1312fe7545719eb227ed2569f59d70a6c0c1f39b
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * lsattr.c - List file attributes on an ext2 file system |
4 | * |
5 | * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr> |
6 | * Laboratoire MASI, Institut Blaise Pascal |
7 | * Universite Pierre et Marie Curie (Paris VI) |
8 | * |
9 | * This file can be redistributed under the terms of the GNU General |
10 | * Public License |
11 | */ |
12 | |
13 | /* |
14 | * History: |
15 | * 93/10/30 - Creation |
16 | * 93/11/13 - Replace stat() calls by lstat() to avoid loops |
17 | * 94/02/27 - Integrated in Ted's distribution |
18 | * 98/12/29 - Display version info only when -V specified (G M Sipe) |
19 | */ |
20 | |
21 | //usage:#define lsattr_trivial_usage |
22 | //usage: "[-Radlv] [FILE]..." |
23 | //usage:#define lsattr_full_usage "\n\n" |
24 | //usage: "List file attributes on an ext2 fs\n" |
25 | //usage: "\n -R Recurse" |
26 | //usage: "\n -a Don't hide entries starting with ." |
27 | //usage: "\n -d List directory entries instead of contents" |
28 | //usage: "\n -l List long flag names" |
29 | //usage: "\n -v List the file's version/generation number" |
30 | |
31 | #include "libbb.h" |
32 | #include "e2fs_lib.h" |
33 | |
34 | enum { |
35 | OPT_RECUR = 0x1, |
36 | OPT_ALL = 0x2, |
37 | OPT_DIRS_OPT = 0x4, |
38 | OPT_PF_LONG = 0x8, |
39 | OPT_GENERATION = 0x10, |
40 | }; |
41 | |
42 | static void list_attributes(const char *name) |
43 | { |
44 | unsigned long fsflags; |
45 | unsigned long generation; |
46 | |
47 | if (fgetflags(name, &fsflags) != 0) |
48 | goto read_err; |
49 | |
50 | if (option_mask32 & OPT_GENERATION) { |
51 | if (fgetversion(name, &generation) != 0) |
52 | goto read_err; |
53 | printf("%5lu ", generation); |
54 | } |
55 | |
56 | if (option_mask32 & OPT_PF_LONG) { |
57 | printf("%-28s ", name); |
58 | print_e2flags(stdout, fsflags, PFOPT_LONG); |
59 | bb_putchar('\n'); |
60 | } else { |
61 | print_e2flags(stdout, fsflags, 0); |
62 | printf(" %s\n", name); |
63 | } |
64 | |
65 | return; |
66 | read_err: |
67 | bb_perror_msg("reading %s", name); |
68 | } |
69 | |
70 | static int FAST_FUNC lsattr_dir_proc(const char *dir_name, |
71 | struct dirent *de, |
72 | void *private UNUSED_PARAM) |
73 | { |
74 | struct stat st; |
75 | char *path; |
76 | |
77 | path = concat_path_file(dir_name, de->d_name); |
78 | |
79 | if (lstat(path, &st) != 0) |
80 | bb_perror_msg("stat %s", path); |
81 | else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) { |
82 | list_attributes(path); |
83 | if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR) |
84 | && !DOT_OR_DOTDOT(de->d_name) |
85 | ) { |
86 | printf("\n%s:\n", path); |
87 | iterate_on_dir(path, lsattr_dir_proc, NULL); |
88 | bb_putchar('\n'); |
89 | } |
90 | } |
91 | |
92 | free(path); |
93 | return 0; |
94 | } |
95 | |
96 | static void lsattr_args(const char *name) |
97 | { |
98 | struct stat st; |
99 | |
100 | if (lstat(name, &st) == -1) { |
101 | bb_perror_msg("stat %s", name); |
102 | } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) { |
103 | iterate_on_dir(name, lsattr_dir_proc, NULL); |
104 | } else { |
105 | list_attributes(name); |
106 | } |
107 | } |
108 | |
109 | int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
110 | int lsattr_main(int argc UNUSED_PARAM, char **argv) |
111 | { |
112 | getopt32(argv, "Radlv"); |
113 | argv += optind; |
114 | |
115 | if (!*argv) |
116 | *--argv = (char*)"."; |
117 | do lsattr_args(*argv++); while (*argv); |
118 | |
119 | return EXIT_SUCCESS; |
120 | } |
121 |