[1765] | 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 |
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| 13 | /*
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| 14 | * History:
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| 15 | * 93/10/30 - Creation
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| 16 | * 93/11/13 - Replace stat() calls by lstat() to avoid loops
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| 17 | * 94/02/27 - Integrated in Ted's distribution
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| 18 | * 98/12/29 - Display version info only when -V specified (G M Sipe)
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| 19 | */
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| 20 |
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| 21 | #include <sys/types.h>
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| 22 | #include <dirent.h>
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| 23 | #include <errno.h>
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| 24 | #include <fcntl.h>
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| 25 | #include <getopt.h>
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| 26 | #include <stdio.h>
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| 27 | #include <unistd.h>
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| 28 | #include <stdlib.h>
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| 29 | #include <string.h>
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| 30 | #include <sys/param.h>
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| 31 | #include <sys/stat.h>
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| 32 |
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| 33 | #include "ext2fs/ext2_fs.h"
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| 34 | #include "e2fsbb.h"
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| 35 | #include "e2p/e2p.h"
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| 36 |
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| 37 | #define OPT_RECUR 1
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| 38 | #define OPT_ALL 2
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| 39 | #define OPT_DIRS_OPT 4
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| 40 | #define OPT_PF_LONG 8
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| 41 | #define OPT_GENERATION 16
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| 42 | static int flags;
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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) == -1)
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| 50 | goto read_err;
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| 51 | if (flags & OPT_GENERATION) {
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| 52 | if (fgetversion(name, &generation) == -1)
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| 53 | goto read_err;
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| 54 | printf("%5lu ", generation);
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| 55 | }
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| 56 |
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| 57 | if (flags & OPT_PF_LONG) {
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| 58 | printf("%-28s ", name);
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| 59 | print_flags(stdout, fsflags, PFOPT_LONG);
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| 60 | puts("");
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| 61 | } else {
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| 62 | print_flags(stdout, fsflags, 0);
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| 63 | printf(" %s\n", name);
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| 64 | }
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| 65 |
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| 66 | return;
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| 67 | read_err:
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| 68 | bb_perror_msg("reading %s", name);
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| 69 | }
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| 70 |
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| 71 | static int lsattr_dir_proc(const char *, struct dirent *, void *);
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| 72 |
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| 73 | static void lsattr_args(const char *name)
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| 74 | {
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| 75 | struct stat st;
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| 76 |
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| 77 | if (lstat(name, &st) == -1) {
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| 78 | bb_perror_msg("stating %s", name);
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| 79 | } else {
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| 80 | if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
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| 81 | iterate_on_dir(name, lsattr_dir_proc, NULL);
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| 82 | else
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| 83 | list_attributes(name);
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
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| 88 | void *private)
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| 89 | {
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| 90 | struct stat st;
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| 91 | char *path;
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| 92 |
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| 93 | path = concat_path_file(dir_name, de->d_name);
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| 94 |
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| 95 | if (lstat(path, &st) == -1)
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| 96 | bb_perror_msg(path);
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| 97 | else {
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| 98 | if (de->d_name[0] != '.' || (flags & OPT_ALL)) {
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| 99 | list_attributes(path);
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| 100 | if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) &&
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| 101 | (de->d_name[0] != '.' && (de->d_name[1] != '\0' ||
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| 102 | (de->d_name[1] != '.' && de->d_name[2] != '\0')))) {
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| 103 | printf("\n%s:\n", path);
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| 104 | iterate_on_dir(path, lsattr_dir_proc, NULL);
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| 105 | puts("");
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| 106 | }
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | free(path);
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| 111 |
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| 112 | return 0;
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| 113 | }
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| 114 |
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| 115 | int lsattr_main(int argc, char **argv);
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| 116 | int lsattr_main(int argc, char **argv)
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| 117 | {
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| 118 | int i;
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| 119 |
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| 120 | flags = getopt32(argv, "Radlv");
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| 121 |
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| 122 | if (optind > argc - 1)
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| 123 | lsattr_args(".");
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| 124 | else
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| 125 | for (i = optind; i < argc; i++)
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| 126 | lsattr_args(argv[i]);
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| 127 |
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| 128 | return EXIT_SUCCESS;
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| 129 | }
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