| Denis Vlasenko | c4f623e | 2006-12-26 01:30:59 +0000 | [diff] [blame^] | 1 | /* 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 | #include "busybox.h" |
| 22 | #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 | if (fgetflags(name, &fsflags) == -1) |
| 38 | goto read_err; |
| 39 | |
| 40 | if (option_mask32 & OPT_GENERATION) { |
| 41 | if (fgetversion(name, &generation) == -1) |
| 42 | goto read_err; |
| 43 | printf("%5lu ", generation); |
| 44 | } |
| 45 | |
| 46 | if (option_mask32 & OPT_PF_LONG) { |
| 47 | printf("%-28s ", name); |
| 48 | print_flags(stdout, fsflags, PFOPT_LONG); |
| 49 | puts(""); |
| 50 | } else { |
| 51 | print_flags(stdout, fsflags, 0); |
| 52 | printf(" %s\n", name); |
| 53 | } |
| 54 | |
| 55 | return; |
| 56 | read_err: |
| 57 | bb_perror_msg("reading %s", name); |
| 58 | } |
| 59 | |
| 60 | static int lsattr_dir_proc(const char *dir_name, struct dirent *de, |
| 61 | void *private) |
| 62 | { |
| 63 | struct stat st; |
| 64 | char *path; |
| 65 | |
| 66 | path = concat_path_file(dir_name, de->d_name); |
| 67 | |
| 68 | if (lstat(path, &st) == -1) |
| 69 | bb_perror_msg("stat %s", path); |
| 70 | |
| 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 | && (de->d_name[0] != '.' |
| 75 | || (de->d_name[1] != '\0' && NOT_LONE_CHAR(de->d_name+1, '.'))) |
| 76 | ) { |
| 77 | printf("\n%s:\n", path); |
| 78 | iterate_on_dir(path, lsattr_dir_proc, NULL); |
| 79 | puts(""); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | free(path); |
| 84 | |
| 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | static void lsattr_args(const char *name) |
| 89 | { |
| 90 | struct stat st; |
| 91 | |
| 92 | if (lstat(name, &st) == -1) { |
| 93 | bb_perror_msg("stat %s", name); |
| 94 | } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) { |
| 95 | iterate_on_dir(name, lsattr_dir_proc, NULL); |
| 96 | } else { |
| 97 | list_attributes(name); |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | int lsattr_main(int argc, char **argv) |
| 102 | { |
| 103 | getopt32(argc, argv, "Radlv"); |
| 104 | argv += optind; |
| 105 | |
| 106 | if (!*argv) |
| 107 | lsattr_args("."); |
| 108 | else { |
| 109 | while (*argv) |
| 110 | lsattr_args(*argv++); |
| 111 | } |
| 112 | |
| 113 | return EXIT_SUCCESS; |
| 114 | } |