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 "libbb.h"
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22 | #include "e2fs_lib.h"
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23 |
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24 | enum {
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25 | OPT_RECUR = 0x1,
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26 | OPT_ALL = 0x2,
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27 | OPT_DIRS_OPT = 0x4,
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28 | OPT_PF_LONG = 0x8,
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29 | OPT_GENERATION = 0x10,
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30 | };
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31 |
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32 | static void list_attributes(const char *name)
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33 | {
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34 | unsigned long fsflags;
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35 | unsigned long generation;
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36 |
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37 | if (fgetflags(name, &fsflags) != 0)
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38 | goto read_err;
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39 |
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40 | if (option_mask32 & OPT_GENERATION) {
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41 | if (fgetversion(name, &generation) != 0)
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42 | goto read_err;
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43 | printf("%5lu ", generation);
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44 | }
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45 |
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46 | if (option_mask32 & OPT_PF_LONG) {
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47 | printf("%-28s ", name);
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48 | print_e2flags(stdout, fsflags, PFOPT_LONG);
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49 | bb_putchar('\n');
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50 | } else {
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51 | print_e2flags(stdout, fsflags, 0);
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52 | printf(" %s\n", name);
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53 | }
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54 |
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55 | return;
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56 | read_err:
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57 | bb_perror_msg("reading %s", name);
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58 | }
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59 |
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60 | static int FAST_FUNC lsattr_dir_proc(const char *dir_name,
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61 | struct dirent *de,
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62 | void *private UNUSED_PARAM)
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63 | {
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64 | struct stat st;
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65 | char *path;
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66 |
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67 | path = concat_path_file(dir_name, de->d_name);
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68 |
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69 | if (lstat(path, &st) != 0)
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70 | bb_perror_msg("stat %s", path);
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71 | else if (de->d_name[0] != '.' || (option_mask32 & OPT_ALL)) {
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72 | list_attributes(path);
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73 | if (S_ISDIR(st.st_mode) && (option_mask32 & OPT_RECUR)
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74 | && !DOT_OR_DOTDOT(de->d_name)
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75 | ) {
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76 | printf("\n%s:\n", path);
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77 | iterate_on_dir(path, lsattr_dir_proc, NULL);
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78 | bb_putchar('\n');
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79 | }
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80 | }
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81 |
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82 | free(path);
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83 | return 0;
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84 | }
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85 |
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86 | static void lsattr_args(const char *name)
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87 | {
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88 | struct stat st;
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89 |
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90 | if (lstat(name, &st) == -1) {
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91 | bb_perror_msg("stat %s", name);
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92 | } else if (S_ISDIR(st.st_mode) && !(option_mask32 & OPT_DIRS_OPT)) {
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93 | iterate_on_dir(name, lsattr_dir_proc, NULL);
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94 | } else {
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95 | list_attributes(name);
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96 | }
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97 | }
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98 |
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99 | int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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100 | int lsattr_main(int argc UNUSED_PARAM, char **argv)
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101 | {
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102 | getopt32(argv, "Radlv");
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103 | argv += optind;
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104 |
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105 | if (!*argv)
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106 | *--argv = (char*)".";
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107 | do lsattr_args(*argv++); while (*argv);
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108 |
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109 | return EXIT_SUCCESS;
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110 | }
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