aboutsummaryrefslogtreecommitdiff
path: root/util-linux/lsattr.c
blob: ca523c821db7713f1387c2f03305c3e158b47854 (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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
 * 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 "ext2_fs.h"
#include "e2fsbb.h"
#include "e2p/e2p.h"

#define main lsattr_main

#ifdef __GNUC__
#define EXT2FS_ATTR(x) __attribute__(x)
#else
#define EXT2FS_ATTR(x)
#endif

static int all;
static int dirs_opt;
static unsigned pf_options;
static int recursive;
static int verbose;
static int generation_opt;

#ifdef _LFS64_LARGEFILE
#define LSTAT		lstat64
#define STRUCT_STAT	struct stat64
#else
#define LSTAT		lstat
#define STRUCT_STAT	struct stat
#endif

#if 0
static void usage(void)
{
	fprintf(stderr, _("Usage: %s [-RVadlv] [files...]\n"), program_name);
	exit(1);
}
#endif

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

	if (fgetflags (name, &flags) == -1) {
		com_err (program_name, errno, _("While reading flags on %s"),
			 name);
		return;
	}
	if (generation_opt) {
		if (fgetversion (name, &generation) == -1) {
			com_err (program_name, errno,
				 _("While reading version on %s"),
				 name);
			return;
		}
		printf ("%5lu ", generation);
	}
	if (pf_options & PFOPT_LONG) {
		printf("%-28s ", name);
		print_flags(stdout, flags, pf_options);
		fputc('\n', stdout);
	} else {
		print_flags(stdout, flags, pf_options);
		printf(" %s\n", 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)
		com_err (program_name, errno, _("while trying to stat %s"),
			 name);
	else {
		if (S_ISDIR(st.st_mode) && !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 EXT2FS_ATTR((unused)))
{
	STRUCT_STAT	st;
	char *path;
	int dir_len = strlen(dir_name);

	path = malloc(dir_len + strlen (de->d_name) + 2);

	if (dir_len && dir_name[dir_len-1] == '/')
		sprintf (path, "%s%s", dir_name, de->d_name);
	else
		sprintf (path, "%s/%s", dir_name, de->d_name);
	if (LSTAT (path, &st) == -1)
		perror (path);
	else {
		if (de->d_name[0] != '.' || all) {
			list_attributes (path);
			if (S_ISDIR(st.st_mode) && recursive &&
			    strcmp(de->d_name, ".") &&
			    strcmp(de->d_name, "..")) {
				printf ("\n%s:\n", path);
				iterate_on_dir (path, lsattr_dir_proc, NULL);
				printf ("\n");
			}
		}
	}
	free(path);
	return 0;
}

int main (int argc, char ** argv)
{
	int c;
	int i;

#ifdef ENABLE_NLS
	setlocale(LC_MESSAGES, "");
	setlocale(LC_CTYPE, "");
	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
	textdomain(NLS_CAT_NAME);
#endif
#if 0
	if (argc && *argv)
		program_name = *argv;
#endif
	while ((c = getopt (argc, argv, "Radlv")) != EOF)
		switch (c)
		{
			case 'R':
				recursive = 1;
				break;
			case 'V':
				verbose = 1;
				break;
			case 'a':
				all = 1;
				break;
			case 'd':
				dirs_opt = 1;
				break;
			case 'l':
				pf_options = PFOPT_LONG;
				break;
			case 'v':
				generation_opt = 1;
				break;
			default:
				usage();
		}

#if 0
	if (verbose)
		fprintf (stderr, "lsattr %s (%s)\n",
			 E2FSPROGS_VERSION, E2FSPROGS_DATE);
#endif
	if (optind > argc - 1)
		lsattr_args (".");
	else
		for (i = optind; i < argc; i++)
			lsattr_args (argv[i]);
	exit(0);
}