lsattr.c revision 0f8973fb092a40fd0a11b7ec95c09128c9fb8f0c 
1/*
2 * lsattr.c		- List file attributes on an ext2 file system
3 *
4 * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
5 *                           Laboratoire MASI, Institut Blaise Pascal
6 *                           Universite Pierre et Marie Curie (Paris VI)
7 *
8 * This file can be redistributed under the terms of the GNU General
9 * Public License
10 */
11
12/*
13 * History:
14 * 93/10/30	- Creation
15 * 93/11/13	- Replace stat() calls by lstat() to avoid loops
16 * 94/02/27	- Integrated in Ted's distribution
17 * 98/12/29	- Display version info only when -V specified (G M Sipe)
18 */
19
20#define _LARGEFILE64_SOURCE
21
22#include <sys/types.h>
23#include <dirent.h>
24#ifdef HAVE_ERRNO_H
25#include <errno.h>
26#endif
27#include <fcntl.h>
28#ifdef HAVE_GETOPT_H
29#include <getopt.h>
30#else
31extern int optind;
32extern char *optarg;
33#endif
34#include <stdio.h>
35#include <unistd.h>
36#include <stdlib.h>
37#include <string.h>
38#include <sys/param.h>
39#include <sys/stat.h>
40
41#include "ext2fs/ext2_fs.h"
42#include "et/com_err.h"
43#include "e2p/e2p.h"
44
45#include "../version.h"
46#include "nls-enable.h"
47
48static const char * program_name = "lsattr";
49
50static int all;
51static int dirs_opt;
52static unsigned pf_options;
53static int recursive;
54static int verbose;
55static int generation_opt;
56
57#ifdef _LFS64_LARGEFILE
58#define LSTAT		lstat64
59#define STRUCT_STAT	struct stat64
60#else
61#define LSTAT		lstat
62#define STRUCT_STAT	struct stat
63#endif
64
65static void usage(void)
66{
67	fprintf(stderr, _("Usage: %s [-RVadlv] [files...]\n"), program_name);
68	exit(1);
69}
70
71static void list_attributes (const char * name)
72{
73	unsigned long flags;
74	unsigned long generation;
75
76	if (fgetflags (name, &flags) == -1) {
77		com_err (program_name, errno, _("While reading flags on %s"),
78			 name);
79		return;
80	}
81	if (generation_opt) {
82		if (fgetversion (name, &generation) == -1) {
83			com_err (program_name, errno,
84				 _("While reading version on %s"),
85				 name);
86			return;
87		}
88		printf ("%5lu ", generation);
89	}
90	if (pf_options & PFOPT_LONG) {
91		printf("%-28s ", name);
92		print_flags(stdout, flags, pf_options);
93		fputc('\n', stdout);
94	} else {
95		print_flags(stdout, flags, pf_options);
96		printf(" %s\n", name);
97	}
98}
99
100static int lsattr_dir_proc (const char *, struct dirent *, void *);
101
102static void lsattr_args (const char * name)
103{
104	STRUCT_STAT	st;
105
106	if (LSTAT (name, &st) == -1)
107		com_err (program_name, errno, _("while trying to stat %s"),
108			 name);
109	else {
110		if (S_ISDIR(st.st_mode) && !dirs_opt)
111			iterate_on_dir (name, lsattr_dir_proc, NULL);
112		else
113			list_attributes (name);
114	}
115}
116
117static int lsattr_dir_proc (const char * dir_name, struct dirent * de, void * private)
118{
119	STRUCT_STAT	st;
120	char *path;
121
122	path = malloc(strlen (dir_name) + 1 + strlen (de->d_name) + 1);
123
124	sprintf (path, "%s/%s", dir_name, de->d_name);
125	if (LSTAT (path, &st) == -1)
126		perror (path);
127	else {
128		if (de->d_name[0] != '.' || all) {
129			list_attributes (path);
130			if (S_ISDIR(st.st_mode) && recursive &&
131			    strcmp(de->d_name, ".") &&
132			    strcmp(de->d_name, "..")) {
133				printf ("\n%s:\n", path);
134				iterate_on_dir (path, lsattr_dir_proc, NULL);
135				printf ("\n");
136			}
137		}
138	}
139	free(path);
140	return 0;
141}
142
143int main (int argc, char ** argv)
144{
145	int c;
146	int i;
147
148#ifdef ENABLE_NLS
149	setlocale(LC_MESSAGES, "");
150	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
151	textdomain(NLS_CAT_NAME);
152#endif
153	if (argc && *argv)
154		program_name = *argv;
155	while ((c = getopt (argc, argv, "RVadlv")) != EOF)
156		switch (c)
157		{
158			case 'R':
159				recursive = 1;
160				break;
161			case 'V':
162				verbose = 1;
163				break;
164			case 'a':
165				all = 1;
166				break;
167			case 'd':
168				dirs_opt = 1;
169				break;
170			case 'l':
171				pf_options = PFOPT_LONG;
172				break;
173			case 'v':
174				generation_opt = 1;
175				break;
176			default:
177				usage();
178		}
179
180	if (verbose)
181		fprintf (stderr, "lsattr %s (%s)\n",
182			 E2FSPROGS_VERSION, E2FSPROGS_DATE);
183	if (optind > argc - 1)
184		lsattr_args (".");
185	else
186		for (i = optind; i < argc; i++)
187			lsattr_args (argv[i]);
188	exit(0);
189}
190