blob: 9eab68b5b27a9b0f7abfede4a6123ef3ff7a7e62
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 | #include <sys/types.h> |
22 | #include <dirent.h> |
23 | #include <errno.h> |
24 | #include <fcntl.h> |
25 | #include <getopt.h> |
26 | #include <stdio.h> |
27 | #include <unistd.h> |
28 | #include <stdlib.h> |
29 | #include <string.h> |
30 | #include <sys/param.h> |
31 | #include <sys/stat.h> |
32 | |
33 | #include "ext2fs/ext2_fs.h" |
34 | #include "e2fsbb.h" |
35 | #include "e2p/e2p.h" |
36 | |
37 | #define OPT_RECUR 1 |
38 | #define OPT_ALL 2 |
39 | #define OPT_DIRS_OPT 4 |
40 | #define OPT_PF_LONG 8 |
41 | #define OPT_GENERATION 16 |
42 | static int flags; |
43 | |
44 | static void list_attributes(const char *name) |
45 | { |
46 | unsigned long fsflags; |
47 | unsigned long generation; |
48 | |
49 | if (fgetflags(name, &fsflags) == -1) |
50 | goto read_err; |
51 | if (flags & OPT_GENERATION) { |
52 | if (fgetversion(name, &generation) == -1) |
53 | goto read_err; |
54 | printf("%5lu ", generation); |
55 | } |
56 | |
57 | if (flags & OPT_PF_LONG) { |
58 | printf("%-28s ", name); |
59 | print_e2flags(stdout, fsflags, PFOPT_LONG); |
60 | bb_putchar('\n'); |
61 | } else { |
62 | print_e2flags(stdout, fsflags, 0); |
63 | printf(" %s\n", name); |
64 | } |
65 | |
66 | return; |
67 | read_err: |
68 | bb_perror_msg("reading %s", name); |
69 | } |
70 | |
71 | static int lsattr_dir_proc(const char *, struct dirent *, void *); |
72 | |
73 | static void lsattr_args(const char *name) |
74 | { |
75 | struct stat st; |
76 | |
77 | if (lstat(name, &st) == -1) { |
78 | bb_perror_msg("stating %s", name); |
79 | } else { |
80 | if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT)) |
81 | iterate_on_dir(name, lsattr_dir_proc, NULL); |
82 | else |
83 | list_attributes(name); |
84 | } |
85 | } |
86 | |
87 | static int lsattr_dir_proc(const char *dir_name, struct dirent *de, |
88 | void *private) |
89 | { |
90 | struct stat st; |
91 | char *path; |
92 | |
93 | path = concat_path_file(dir_name, de->d_name); |
94 | |
95 | if (lstat(path, &st) == -1) |
96 | bb_simple_perror_msg(path); |
97 | else { |
98 | if (de->d_name[0] != '.' || (flags & OPT_ALL)) { |
99 | list_attributes(path); |
100 | if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) && |
101 | (de->d_name[0] != '.' && (de->d_name[1] != '\0' || |
102 | (de->d_name[1] != '.' && de->d_name[2] != '\0')))) { |
103 | printf("\n%s:\n", path); |
104 | iterate_on_dir(path, lsattr_dir_proc, NULL); |
105 | bb_putchar('\n'); |
106 | } |
107 | } |
108 | } |
109 | |
110 | free(path); |
111 | |
112 | return 0; |
113 | } |
114 | |
115 | int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
116 | int lsattr_main(int argc, char **argv) |
117 | { |
118 | int i; |
119 | |
120 | flags = getopt32(argv, "Radlv"); |
121 | |
122 | if (optind > argc - 1) |
123 | lsattr_args("."); |
124 | else |
125 | for (i = optind; i < argc; i++) |
126 | lsattr_args(argv[i]); |
127 | |
128 | return EXIT_SUCCESS; |
129 | } |
130 |