LXR busybox/e2fsprogs/lsattr.c

   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 "libbb.h"
  22#include "e2fs_lib.h"
  23
  24enum {
  25        OPT_RECUR      = 0x1,
  26        OPT_ALL        = 0x2,
  27        OPT_DIRS_OPT   = 0x4,
  28        OPT_PF_LONG    = 0x8,
  29        OPT_GENERATION = 0x10,
  30};
  31
  32static void list_attributes(const char *name)
  33{
  34        unsigned long fsflags;
  35        unsigned long generation;
  36
  37        if (fgetflags(name, &fsflags) != 0)
  38                goto read_err;
  39
  40        if (option_mask32 & OPT_GENERATION) {
  41                if (fgetversion(name, &generation) != 0)
  42                        goto read_err;
  43                printf("%5lu ", generation);
  44        }
  45
  46        if (option_mask32 & OPT_PF_LONG) {
  47                printf("%-28s ", name);
  48                print_e2flags(stdout, fsflags, PFOPT_LONG);
  49                bb_putchar('\n');
  50        } else {
  51                print_e2flags(stdout, fsflags, 0);
  52                printf(" %s\n", name);
  53        }
  54
  55        return;
  56 read_err:
  57        bb_perror_msg("reading %s", name);
  58}
  59
  60static int FAST_FUNC lsattr_dir_proc(const char *dir_name,
  61                struct dirent *de,
  62                void *private UNUSED_PARAM)
  63{
  64        struct stat st;
  65        char *path;
  66
  67        path = concat_path_file(dir_name, de->d_name);
  68
  69        if (lstat(path, &st) != 0)
  70                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                 && !DOT_OR_DOTDOT(de->d_name)
  75                ) {
  76                        printf("\n%s:\n", path);
  77                        iterate_on_dir(path, lsattr_dir_proc, NULL);
  78                        bb_putchar('\n');
  79                }
  80        }
  81
  82        free(path);
  83        return 0;
  84}
  85
  86static 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
  99int lsattr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 100int lsattr_main(int argc UNUSED_PARAM, char **argv)
 101{
 102        getopt32(argv, "Radlv");
 103        argv += optind;
 104
 105        if (!*argv)
 106                *--argv = (char*)".";
 107        do lsattr_args(*argv++); while (*argv);
 108
 109        return EXIT_SUCCESS;
 110}
 111