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136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
/*
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* lsattr.c - List file attributes on an ext2 file system
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*
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* Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
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* Laboratoire MASI, Institut Blaise Pascal
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* Universite Pierre et Marie Curie (Paris VI)
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*
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* This file can be redistributed under the terms of the GNU General
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* Public License
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*/
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/*
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* History:
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* 93/10/30 - Creation
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* 93/11/13 - Replace stat() calls by lstat() to avoid loops
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* 94/02/27 - Integrated in Ted's distribution
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* 98/12/29 - Display version info only when -V specified (G M Sipe)
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*/
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#include <sys/types.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/param.h>
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#include <sys/stat.h>
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#include "ext2fs/ext2_fs.h"
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#include "e2fsbb.h"
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#include "e2p/e2p.h"
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#define OPT_RECUR 1
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#define OPT_ALL 2
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#define OPT_DIRS_OPT 4
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#define OPT_PF_LONG 8
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#define OPT_GENERATION 16
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static int flags;
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#ifdef CONFIG_LFS
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# define LSTAT lstat64
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# define STRUCT_STAT struct stat64
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#else
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# define LSTAT lstat
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# define STRUCT_STAT struct stat
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#endif
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static void list_attributes(const char *name)
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{
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unsigned long fsflags;
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unsigned long generation;
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if (fgetflags(name, &fsflags) == -1)
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goto read_err;
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if (flags & OPT_GENERATION) {
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if (fgetversion(name, &generation) == -1)
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goto read_err;
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printf("%5lu ", generation);
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}
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if (flags & OPT_PF_LONG) {
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printf("%-28s ", name);
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print_flags(stdout, fsflags, PFOPT_LONG);
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printf("\n");
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} else {
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print_flags(stdout, fsflags, 0);
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printf(" %s\n", name);
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}
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return;
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read_err:
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bb_perror_msg("reading %s", name);
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}
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static int lsattr_dir_proc(const char *, struct dirent *, void *);
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static void lsattr_args(const char *name)
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{
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STRUCT_STAT st;
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if (LSTAT(name, &st) == -1) {
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bb_perror_msg("stating %s", name);
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} else {
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if (S_ISDIR(st.st_mode) && !(flags & OPT_DIRS_OPT))
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iterate_on_dir(name, lsattr_dir_proc, NULL);
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else
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list_attributes(name);
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}
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}
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static int lsattr_dir_proc(const char *dir_name, struct dirent *de,
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void *private)
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{
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STRUCT_STAT st;
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char *path;
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path = concat_path_file(dir_name, de->d_name);
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if (LSTAT(path, &st) == -1)
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bb_perror_msg(path);
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else {
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if (de->d_name[0] != '.' || (flags & OPT_ALL)) {
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list_attributes(path);
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if (S_ISDIR(st.st_mode) && (flags & OPT_RECUR) &&
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(de->d_name[0] != '.' && (de->d_name[1] != '\0' ||
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(de->d_name[1] != '.' && de->d_name[2] != '\0')))) {
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printf("\n%s:\n", path);
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iterate_on_dir(path, lsattr_dir_proc, NULL);
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printf("\n");
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}
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}
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}
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free(path);
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return 0;
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}
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int lsattr_main(int argc, char **argv)
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{
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int i;
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flags = bb_getopt_ulflags(argc, argv, "Radlv");
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if (optind > argc - 1)
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lsattr_args(".");
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else
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for (i = optind; i < argc; i++)
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lsattr_args(argv[i]);
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return EXIT_SUCCESS;
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}
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