busybox/e2fsprogs/lsattr.c

/* 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 "libbb.h"
#include "e2fs_lib.h"

enum {
	OPT_RECUR      = 0x1,
	OPT_ALL        = 0x2,
	OPT_DIRS_OPT   = 0x4,
	OPT_PF_LONG    = 0x8,
	OPT_GENERATION = 0x10,
};

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

	if (fgetflags(name, &fsflags) != 0)
		goto read_err;

	if (option_mask32 & OPT_GENERATION) {
		if (fgetversion(name, &generation) != 0)
			goto read_err;
		printf("%5lu ", generation);
	}

	if (option_mask32 & OPT_PF_LONG) {
		printf("%-28s ", name);
		print_e2flags(stdout, fsflags, PFOPT_LONG);
		bb_putchar('\n');
	} else {
		print_e2flags(stdout, fsflags, 0);
		printf(" %s\n", name);
	}

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

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

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

	if (lstat(path, &st) != 0)
		bb_perror_msg("stat %s", path);
	else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) {
		list_attributes(path);
		if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
		 && !DOT_OR_DOTDOT(de->d_name)
		) {
			printf("\n%s:\n", path);
			iterate_on_dir(path, lsattr_dir_proc, NULL);
			bb_putchar('\n');
		}
	}

	free(path);
	return 0;
}

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

	if (lstat(name, &st) == -1) {
		bb_perror_msg("stat %s", name);
	} else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
		iterate_on_dir(name, lsattr_dir_proc, NULL);
	} else {
		list_attributes(name);
	}
}

int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int lsattr_main(int argc UNUSED_PARAM, char **argv)
{
	getopt32(argv, "Radlv");
	argv += optind;

	if (!*argv)
		*--argv = (char*)".";
	do lsattr_args(*argv++); while (*argv);

	return EXIT_SUCCESS;
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* lsattr.c - List file attributes on an ext2 file system
4			*
5			* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
6			* Laboratoire MASI, Institut Blaise Pascal
7			* Universite Pierre et Marie Curie (Paris VI)
8			*
9			* This file can be redistributed under the terms of the GNU General
10			* Public License
11			*/
12
13			/*
14			* History:
15			* 93/10/30 - Creation
16			* 93/11/13 - Replace stat() calls by lstat() to avoid loops
17			* 94/02/27 - Integrated in Ted's distribution
18			* 98/12/29 - Display version info only when -V specified (G M Sipe)
19			*/
20
21	niro	816	#include "libbb.h"
22	niro	532	#include "e2fs_lib.h"
23
24			enum {
25			OPT_RECUR = 0x1,
26			OPT_ALL = 0x2,
27			OPT_DIRS_OPT = 0x4,
28			OPT_PF_LONG = 0x8,
29			OPT_GENERATION = 0x10,
30			};
31
32			static void list_attributes(const char *name)
33			{
34			unsigned long fsflags;
35			unsigned long generation;
36
37	niro	816	if (fgetflags(name, &fsflags) != 0)
38	niro	532	goto read_err;
39
40			if (option_mask32 & OPT_GENERATION) {
41	niro	816	if (fgetversion(name, &generation) != 0)
42	niro	532	goto read_err;
43			printf("%5lu ", generation);
44			}
45
46			if (option_mask32 & OPT_PF_LONG) {
47			printf("%-28s ", name);
48	niro	816	print_e2flags(stdout, fsflags, PFOPT_LONG);
49			bb_putchar('\n');
50	niro	532	} else {
51	niro	816	print_e2flags(stdout, fsflags, 0);
52	niro	532	printf(" %s\n", name);
53			}
54
55			return;
56			read_err:
57			bb_perror_msg("reading %s", name);
58			}
59
60	niro	984	static int FAST_FUNC lsattr_dir_proc(const char *dir_name,
61			struct dirent *de,
62			void *private UNUSED_PARAM)
63	niro	532	{
64			struct stat st;
65			char *path;
66
67			path = concat_path_file(dir_name, de->d_name);
68
69	niro	816	if (lstat(path, &st) != 0)
70	niro	532	bb_perror_msg("stat %s", path);
71			else if (de->d_name[0] != '.' \|\| (option_mask32 & OPT_ALL)) {
72			list_attributes(path);
73			if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
74	niro	816	&& !DOT_OR_DOTDOT(de->d_name)
75	niro	532	) {
76			printf("\n%s:\n", path);
77			iterate_on_dir(path, lsattr_dir_proc, NULL);
78	niro	816	bb_putchar('\n');
79	niro	532	}
80			}
81
82			free(path);
83			return 0;
84			}
85
86			static void lsattr_args(const char *name)
87			{
88			struct stat st;
89
90			if (lstat(name, &st) == -1) {
91			bb_perror_msg("stat %s", name);
92			} else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
93			iterate_on_dir(name, lsattr_dir_proc, NULL);
94			} else {
95			list_attributes(name);
96			}
97			}
98
99	niro	816	int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
100			int lsattr_main(int argc UNUSED_PARAM, char **argv)
101	niro	532	{
102	niro	816	getopt32(argv, "Radlv");
103	niro	532	argv += optind;
104
105			if (!*argv)
106	niro	816	--argv = (char)".";
107			do lsattr_args(argv++); while (argv);
108	niro	532
109			return EXIT_SUCCESS;
110			}