191 lines
3.5 KiB
C
191 lines
3.5 KiB
C
/*
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* hfsutils - tools for reading and writing Macintosh HFS volumes
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* Copyright (C) 1996-1998 Robert Leslie
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: hformat.c,v 1.9 1998/11/02 22:08:31 rob Exp $
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*/
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# ifdef HAVE_CONFIG_H
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# include "config.h"
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# endif
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include "hfs.h"
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# include "hcwd.h"
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# include "hfsutil.h"
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# include "suid.h"
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# include "hformat.h"
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# define O_FORCE 0x01
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extern char *optarg;
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extern int optind;
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/*
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* NAME: usage()
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* DESCRIPTION: display usage message
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*/
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static
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void usage(void)
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{
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fprintf(stderr, "Usage: %s [-f] [-l label] path [partition-no]\n", argv0);
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}
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/*
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* NAME: do_format()
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* DESCRIPTION: call hfs_format() with necessary privileges
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*/
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static
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hfsvol *do_format(const char *path, int partno, int mode, const char *vname)
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{
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hfsvol *vol = 0;
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suid_enable();
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if (hfs_format(path, partno, mode, vname, 0, 0) != -1)
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vol = hfs_mount(path, partno, HFS_MODE_ANY);
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suid_disable();
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return vol;
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}
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/*
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* NAME: hformat->main()
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* DESCRIPTION: implement hformat command
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*/
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int hformat_main(int argc, char *argv[])
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{
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const char *vname;
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char *path = 0;
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hfsvol *vol;
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hfsvolent ent;
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int nparts, partno, options = 0, result = 0;
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vname = "Untitled";
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while (1)
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{
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int opt;
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opt = getopt(argc, argv, "fl:");
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if (opt == EOF)
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break;
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switch (opt)
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{
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case '?':
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usage();
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goto fail;
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case 'f':
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options |= O_FORCE;
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break;
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case 'l':
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vname = optarg;
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break;
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}
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}
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if (argc - optind < 1 || argc - optind > 2)
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{
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usage();
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goto fail;
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}
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path = hfsutil_abspath(argv[optind]);
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if (path == 0)
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{
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fprintf(stderr, "%s: not enough memory\n", argv0);
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goto fail;
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}
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suid_enable();
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nparts = hfs_nparts(path);
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suid_disable();
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if (argc - optind == 2)
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{
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partno = atoi(argv[optind + 1]);
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if (nparts != -1 && partno == 0)
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{
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if (options & O_FORCE)
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{
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fprintf(stderr,
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"%s: warning: erasing partition information\n", argv0);
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}
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else
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{
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fprintf(stderr, "%s: medium is partitioned; "
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"select partition > 0 or use -f\n", argv0);
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goto fail;
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}
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}
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}
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else
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{
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if (nparts > 1)
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{
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fprintf(stderr,
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"%s: must specify partition number (%d available)\n",
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argv0, nparts);
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goto fail;
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}
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else if (nparts == -1)
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partno = 0;
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else
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partno = 1;
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}
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vol = do_format(path, partno, 0, vname);
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if (vol == 0)
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{
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hfsutil_perror(path);
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goto fail;
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}
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hfs_vstat(vol, &ent);
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hfsutil_pinfo(&ent);
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if (hcwd_mounted(ent.name, ent.crdate, path, partno) == -1)
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{
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perror("Failed to record mount");
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result = 1;
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}
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hfsutil_unmount(vol, &result);
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free(path);
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return result;
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fail:
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if (path)
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free(path);
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return 1;
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}
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