mirror of https://github.com/vitalif/e2fsprogs
160 lines
3.2 KiB
C
160 lines
3.2 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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*/
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#include <sys/types.h>
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#include <dirent.h>
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#include <fcntl.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#else
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extern int optind;
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extern char *optarg;
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#endif
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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 <linux/ext2_fs.h>
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#include "et/com_err.h"
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#include "e2p/e2p.h"
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#include "../version.h"
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const char * program_name = "lsattr";
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int all = 0;
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int d_opt = 0;
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int l_opt = 0;
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int recursive = 0;
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int v_opt = 0;
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static void volatile usage (void)
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{
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fprintf (stderr, "Usage: %s [-Radlv] [files...]\n", program_name);
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exit (1);
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}
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static void list_attributes (const char * name)
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{
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unsigned long flags;
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unsigned long version;
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if (fgetflags (name, &flags) == -1)
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com_err (program_name, errno, "While reading flags on %s",
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name);
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else if (fgetversion (name, &version) == -1)
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com_err (program_name, errno, "While reading version on %s",
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name);
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else
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{
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if (v_opt)
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printf ("%5lu ", version);
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print_flags (stdout, flags, l_opt);
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printf (" %s\n", name);
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}
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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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com_err (program_name, errno, "while stating %s", name);
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else
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{
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if (S_ISDIR(st.st_mode) && !d_opt)
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iterate_on_dir (name, lsattr_dir_proc, (void *) 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, void * private)
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{
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struct stat st;
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char *path;
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path = malloc(strlen (dir_name) + 1 + strlen (de->d_name) + 1);
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sprintf (path, "%s/%s", dir_name, de->d_name);
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if (lstat (path, &st) == -1)
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perror (path);
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else {
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if (de->d_name[0] != '.' || all) {
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list_attributes (path);
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if (S_ISDIR(st.st_mode) && recursive &&
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strcmp(de->d_name, ".") &&
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strcmp(de->d_name, "..")) {
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printf ("\n%s:\n", path);
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iterate_on_dir (path, lsattr_dir_proc,
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(void *) 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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void main (int argc, char ** argv)
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{
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char c;
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int i;
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fprintf (stderr, "lsattr %s, %s for EXT2 FS %s, %s\n",
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E2FSPROGS_VERSION, E2FSPROGS_DATE,
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EXT2FS_VERSION, EXT2FS_DATE);
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if (argc && *argv)
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program_name = *argv;
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while ((c = getopt (argc, argv, "Radlv")) != EOF)
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switch (c)
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{
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case 'R':
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recursive = 1;
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break;
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case 'a':
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all = 1;
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break;
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case 'd':
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d_opt = 1;
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break;
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case 'l':
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l_opt = 1;
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break;
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case 'v':
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v_opt = 1;
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break;
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default:
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usage ();
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}
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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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}
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