| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * lsattr.c - List file attributes on an ext2 file system
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| 4 | *
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| 5 | * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
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| 6 | * Laboratoire MASI, Institut Blaise Pascal
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| 7 | * Universite Pierre et Marie Curie (Paris VI)
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| 8 | *
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| 9 | * This file can be redistributed under the terms of the GNU General
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| 10 | * Public License
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| 11 | */
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| 12 | //config:config LSATTR
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| 13 | //config: bool "lsattr"
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| 14 | //config: default y
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| 15 | //config: select PLATFORM_LINUX
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| 16 | //config: help
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| 17 | //config: lsattr lists the file attributes on a second extended file system.
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| 18 |
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| 19 | //applet:IF_LSATTR(APPLET(lsattr, BB_DIR_BIN, BB_SUID_DROP))
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| 20 |
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| 21 | //kbuild:lib-$(CONFIG_LSATTR) += lsattr.o e2fs_lib.o
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| 22 |
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| 23 | //usage:#define lsattr_trivial_usage
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| 24 | //usage: "[-Radlv] [FILE]..."
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| 25 | //usage:#define lsattr_full_usage "\n\n"
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| 26 | //usage: "List ext2 file attributes\n"
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| 27 | //usage: "\n -R Recurse"
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| 28 | //usage: "\n -a Don't hide entries starting with ."
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| 29 | //usage: "\n -d List directory entries instead of contents"
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| 30 | //usage: "\n -l List long flag names"
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| 31 | //usage: "\n -v List version/generation number"
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| 32 |
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| 33 | #include "libbb.h"
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| 34 | #include "e2fs_lib.h"
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| 35 |
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| 36 | enum {
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| 37 | OPT_RECUR = 0x1,
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| 38 | OPT_ALL = 0x2,
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| 39 | OPT_DIRS_OPT = 0x4,
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| 40 | OPT_PF_LONG = 0x8,
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| 41 | OPT_GENERATION = 0x10,
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| 42 | };
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| 43 |
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| 44 | static void list_attributes(const char *name)
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| 45 | {
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| 46 | unsigned long fsflags;
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| 47 | unsigned long generation;
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| 48 |
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| 49 | if (fgetflags(name, &fsflags) != 0)
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| 50 | goto read_err;
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| 51 |
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| 52 | if (option_mask32 & OPT_GENERATION) {
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| 53 | if (fgetversion(name, &generation) != 0)
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| 54 | goto read_err;
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| 55 | printf("%5lu ", generation);
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| 56 | }
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| 57 |
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| 58 | if (option_mask32 & OPT_PF_LONG) {
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| 59 | printf("%-28s ", name);
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| 60 | print_e2flags(stdout, fsflags, PFOPT_LONG);
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| 61 | bb_putchar('\n');
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| 62 | } else {
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| 63 | print_e2flags(stdout, fsflags, 0);
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| 64 | printf(" %s\n", name);
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| 65 | }
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| 66 |
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| 67 | return;
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| 68 | read_err:
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| 69 | bb_perror_msg("reading %s", name);
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| 70 | }
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| 71 |
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| 72 | static int FAST_FUNC lsattr_dir_proc(const char *dir_name,
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| 73 | struct dirent *de,
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| 74 | void *private UNUSED_PARAM)
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| 75 | {
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| 76 | struct stat st;
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| 77 | char *path;
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| 78 |
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| 79 | path = concat_path_file(dir_name, de->d_name);
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| 80 |
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| 81 | if (lstat(path, &st) != 0)
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| 82 | bb_perror_msg("stat %s", path);
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| 83 | else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) {
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| 84 | list_attributes(path);
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| 85 | if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
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| 86 | && !DOT_OR_DOTDOT(de->d_name)
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| 87 | ) {
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| 88 | printf("\n%s:\n", path);
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| 89 | iterate_on_dir(path, lsattr_dir_proc, NULL);
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| 90 | bb_putchar('\n');
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | free(path);
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| 95 | return 0;
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| 96 | }
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| 97 |
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| 98 | static void lsattr_args(const char *name)
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| 99 | {
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| 100 | struct stat st;
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| 101 |
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| 102 | if (lstat(name, &st) == -1) {
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| 103 | bb_perror_msg("stat %s", name);
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| 104 | } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
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| 105 | iterate_on_dir(name, lsattr_dir_proc, NULL);
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| 106 | } else {
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| 107 | list_attributes(name);
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| 108 | }
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| 109 | }
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| 110 |
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| 111 | int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 112 | int lsattr_main(int argc UNUSED_PARAM, char **argv)
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| 113 | {
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| 114 | getopt32(argv, "Radlv");
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| 115 | argv += optind;
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| 116 |
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| 117 | if (!*argv)
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| 118 | *--argv = (char*)".";
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| 119 | do lsattr_args(*argv++); while (*argv);
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| 120 |
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| 121 | return EXIT_SUCCESS;
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| 122 | }
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