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
31 extern int optind;
32 extern 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
48 #ifdef __GNUC__
49 #define EXT2FS_ATTR(x) __attribute__(x)
50 #else
51 #define EXT2FS_ATTR(x)
52 #endif
53
54 static const char * program_name = "lsattr";
55
56 static int all;
57 static int dirs_opt;
58 static unsigned pf_options;
59 static int recursive;
60 static int verbose;
61 static int generation_opt;
62
63 #ifdef _LFS64_LARGEFILE
64 #define LSTAT lstat64
65 #define STRUCT_STAT struct stat64
66 #else
67 #define LSTAT lstat
68 #define STRUCT_STAT struct stat
69 #endif
70
usage(void)71 static void usage(void)
72 {
73 fprintf(stderr, _("Usage: %s [-RVadlv] [files...]\n"), program_name);
74 exit(1);
75 }
76
list_attributes(const char * name)77 static int list_attributes (const char * name)
78 {
79 unsigned long flags;
80 unsigned long generation;
81
82 if (fgetflags (name, &flags) == -1) {
83 com_err (program_name, errno, _("While reading flags on %s"),
84 name);
85 return -1;
86 }
87 if (generation_opt) {
88 if (fgetversion (name, &generation) == -1) {
89 com_err (program_name, errno,
90 _("While reading version on %s"),
91 name);
92 return -1;
93 }
94 printf ("%5lu ", generation);
95 }
96 if (pf_options & PFOPT_LONG) {
97 printf("%-28s ", name);
98 print_flags(stdout, flags, pf_options);
99 fputc('\n', stdout);
100 } else {
101 print_flags(stdout, flags, pf_options);
102 printf(" %s\n", name);
103 }
104 return 0;
105 }
106
107 static int lsattr_dir_proc (const char *, struct dirent *, void *);
108
lsattr_args(const char * name)109 static int lsattr_args (const char * name)
110 {
111 STRUCT_STAT st;
112 int retval = 0;
113
114 if (LSTAT (name, &st) == -1) {
115 com_err (program_name, errno, _("while trying to stat %s"),
116 name);
117 retval = -1;
118 } else {
119 if (S_ISDIR(st.st_mode) && !dirs_opt)
120 retval = iterate_on_dir (name, lsattr_dir_proc, NULL);
121 else
122 retval = list_attributes (name);
123 }
124 return retval;
125 }
126
lsattr_dir_proc(const char * dir_name,struct dirent * de,void * private EXT2FS_ATTR ((unused)))127 static int lsattr_dir_proc (const char * dir_name, struct dirent * de,
128 void * private EXT2FS_ATTR((unused)))
129 {
130 STRUCT_STAT st;
131 char *path;
132 int dir_len = strlen(dir_name);
133
134 path = malloc(dir_len + strlen (de->d_name) + 2);
135
136 if (dir_len && dir_name[dir_len-1] == '/')
137 sprintf (path, "%s%s", dir_name, de->d_name);
138 else
139 sprintf (path, "%s/%s", dir_name, de->d_name);
140 if (LSTAT (path, &st) == -1)
141 perror (path);
142 else {
143 if (de->d_name[0] != '.' || all) {
144 list_attributes (path);
145 if (S_ISDIR(st.st_mode) && recursive &&
146 strcmp(de->d_name, ".") &&
147 strcmp(de->d_name, "..")) {
148 printf ("\n%s:\n", path);
149 iterate_on_dir (path, lsattr_dir_proc, NULL);
150 printf ("\n");
151 }
152 }
153 }
154 free(path);
155 return 0;
156 }
157
main(int argc,char ** argv)158 int main (int argc, char ** argv)
159 {
160 int c;
161 int i;
162 int err, retval = 0;
163
164 #ifdef ENABLE_NLS
165 setlocale(LC_MESSAGES, "");
166 setlocale(LC_CTYPE, "");
167 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
168 textdomain(NLS_CAT_NAME);
169 #endif
170 if (argc && *argv)
171 program_name = *argv;
172 while ((c = getopt (argc, argv, "RVadlv")) != EOF)
173 switch (c)
174 {
175 case 'R':
176 recursive = 1;
177 break;
178 case 'V':
179 verbose = 1;
180 break;
181 case 'a':
182 all = 1;
183 break;
184 case 'd':
185 dirs_opt = 1;
186 break;
187 case 'l':
188 pf_options = PFOPT_LONG;
189 break;
190 case 'v':
191 generation_opt = 1;
192 break;
193 default:
194 usage();
195 }
196
197 if (verbose)
198 fprintf (stderr, "lsattr %s (%s)\n",
199 E2FSPROGS_VERSION, E2FSPROGS_DATE);
200 if (optind > argc - 1) {
201 if (lsattr_args (".") == -1)
202 retval = 1;
203 } else {
204 for (i = optind; i < argc; i++) {
205 err = lsattr_args (argv[i]);
206 if (err)
207 retval = 1;
208 }
209 }
210 exit(retval);
211 }
212