busybox/e2fsprogs/lsattr.c

142 lines
2.9 KiB
C
Raw Normal View History

2005-04-24 10:37:59 +05:30
/*
* 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"
#ifdef __GNUC__
# define EXT2FS_ATTR(x) __attribute__(x)
2005-04-24 10:37:59 +05:30
#else
# define EXT2FS_ATTR(x)
2005-04-24 10:37:59 +05:30
#endif
2005-04-25 09:40:35 +05:30
#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
2005-04-24 10:37:59 +05:30
#else
2005-04-25 09:40:35 +05:30
# define LSTAT lstat
# define STRUCT_STAT struct stat
2005-04-24 10:37:59 +05:30
#endif
2005-04-25 09:40:35 +05:30
static void list_attributes(const char *name)
2005-04-24 10:37:59 +05:30
{
2005-04-25 09:40:35 +05:30
unsigned long fsflags;
2005-04-24 10:37:59 +05:30
unsigned long generation;
if (fgetflags(name, &fsflags) == -1)
goto read_err;
2005-04-25 09:40:35 +05:30
if (flags & OPT_GENERATION) {
if (fgetversion(name, &generation) == -1)
goto read_err;
2005-04-25 09:40:35 +05:30
printf("%5lu ", generation);
2005-04-24 10:37:59 +05:30
}
2005-04-25 09:40:35 +05:30
if (flags & OPT_PF_LONG) {
2005-04-24 10:37:59 +05:30
printf("%-28s ", name);
2005-04-25 09:40:35 +05:30
print_flags(stdout, fsflags, PFOPT_LONG);
printf("\n");
2005-04-24 10:37:59 +05:30
} else {
2005-04-25 09:40:35 +05:30
print_flags(stdout, fsflags, 0);
2005-04-24 10:37:59 +05:30
printf(" %s\n", name);
}
return;
read_err:
bb_perror_msg("reading %s", name);
2005-04-24 10:37:59 +05:30
}
2005-04-25 09:40:35 +05:30
static int lsattr_dir_proc(const char *, struct dirent *, void *);
2005-04-24 10:37:59 +05:30
2005-04-25 09:40:35 +05:30
static void lsattr_args(const char *name)
2005-04-24 10:37:59 +05:30
{
STRUCT_STAT st;
if (LSTAT(name, &st) == -1) {
bb_perror_msg("stating %s", name);
} else {
2005-04-25 09:40:35 +05:30
if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
iterate_on_dir(name, lsattr_dir_proc, NULL);
2005-04-24 10:37:59 +05:30
else
2005-04-25 09:40:35 +05:30
list_attributes(name);
2005-04-24 10:37:59 +05:30
}
}
2005-04-25 09:40:35 +05:30
static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
void *private EXT2FS_ATTR((unused)))
2005-04-24 10:37:59 +05:30
{
STRUCT_STAT st;
char *path;
path = concat_path_file(dir_name, de->d_name);
2005-04-25 09:40:35 +05:30
if (LSTAT(path, &st) == -1)
bb_perror_msg(path);
2005-04-24 10:37:59 +05:30
else {
2005-04-25 09:40:35 +05:30
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')))) {
2005-04-25 09:40:35 +05:30
printf("\n%s:\n", path);
iterate_on_dir(path, lsattr_dir_proc, NULL);
printf("\n");
2005-04-24 10:37:59 +05:30
}
}
}
2005-04-24 10:37:59 +05:30
free(path);
2005-04-24 10:37:59 +05:30
return 0;
}
2005-04-25 09:40:35 +05:30
int lsattr_main(int argc, char **argv)
2005-04-24 10:37:59 +05:30
{
int i;
2005-04-25 09:40:35 +05:30
flags = bb_getopt_ulflags(argc, argv, "Radlv");
2005-04-24 10:37:59 +05:30
if (optind > argc - 1)
2005-04-25 09:40:35 +05:30
lsattr_args(".");
2005-04-24 10:37:59 +05:30
else
for (i = optind; i < argc; i++)
2005-04-25 09:40:35 +05:30
lsattr_args(argv[i]);
return EXIT_SUCCESS;
2005-04-24 10:37:59 +05:30
}