summaryrefslogtreecommitdiffhomepage
path: root/e2fsprogs/lsattr.c
blob: 5c20d25f381510f58fcfadcee90160d56e50b051 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/* vi: set sw=4 ts=4: */
/*
 * lsattr.c		- List file attributes on an ext2 file system
 *
 * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
 *                           Laboratoire MASI, Institut Blaise Pascal
 *                           Universite Pierre et Marie Curie (Paris VI)
 *
 * This file can be redistributed under the terms of the GNU General
 * Public License
 */

/*
 * History:
 * 93/10/30	- Creation
 * 93/11/13	- Replace stat() calls by lstat() to avoid loops
 * 94/02/27	- Integrated in Ted's distribution
 * 98/12/29	- Display version info only when -V specified (G M Sipe)
 */

#include <sys/types.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/param.h>
#include <sys/stat.h>

#include "ext2fs/ext2_fs.h"
#include "e2fsbb.h"
#include "e2p/e2p.h"

#define OPT_RECUR 1
#define OPT_ALL 2
#define OPT_DIRS_OPT 4
#define OPT_PF_LONG 8
#define OPT_GENERATION 16
static int flags;

#ifdef CONFIG_LFS
# define LSTAT lstat64
# define STRUCT_STAT struct stat64
#else
# define LSTAT lstat
# define STRUCT_STAT struct stat
#endif

static void list_attributes(const char *name)
{
	unsigned long fsflags;
	unsigned long generation;

	if (fgetflags(name, &fsflags) == -1)
		goto read_err;
	if (flags & OPT_GENERATION) {
		if (fgetversion(name, &generation) == -1)
			goto read_err;
		printf("%5lu ", generation);
	}

	if (flags & OPT_PF_LONG) {
		printf("%-28s ", name);
		print_flags(stdout, fsflags, PFOPT_LONG);
		printf("\n");
	} else {
		print_flags(stdout, fsflags, 0);
		printf(" %s\n", name);
	}

	return;
read_err:
	bb_perror_msg("reading %s", name);
}

static int lsattr_dir_proc(const char *, struct dirent *, void *);

static void lsattr_args(const char *name)
{
	STRUCT_STAT	st;

	if (LSTAT(name, &st) == -1) {
		bb_perror_msg("stating %s", name);
	} else {
		if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
			iterate_on_dir(name, lsattr_dir_proc, NULL);
		else
			list_attributes(name);
	}
}

static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
			   void *private)
{
	STRUCT_STAT	st;
	char *path;

	path = concat_path_file(dir_name, de->d_name);

	if (LSTAT(path, &st) == -1)
		bb_perror_msg(path);
	else {
		if (de->d_name[0] != '.' || (flags & OPT_ALL)) {
			list_attributes(path);
			if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) &&
			   (de->d_name[0] != '.' && (de->d_name[1] != '\0' ||
			   (de->d_name[1] != '.' && de->d_name[2] != '\0')))) {
				printf("\n%s:\n", path);
				iterate_on_dir(path, lsattr_dir_proc, NULL);
				printf("\n");
			}
		}
	}

	free(path);

	return 0;
}

int lsattr_main(int argc, char **argv)
{
	int i;

	flags = bb_getopt_ulflags(argc, argv, "Radlv");

	if (optind > argc - 1)
		lsattr_args(".");
	else
		for (i = optind; i < argc; i++)
			lsattr_args(argv[i]);

	return EXIT_SUCCESS;
}