mirror of
https://github.com/autc04/Retro68.git
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221 lines
4.2 KiB
C
221 lines
4.2 KiB
C
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/*
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* hfsck - tool for checking and repairing the integrity of 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: main.c,v 1.8 1998/11/02 22:08:50 rob Exp $
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*/
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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 <unistd.h>
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <fcntl.h>
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# include <errno.h>
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# include "hfsck.h"
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# include "suid.h"
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# include "version.h"
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int options;
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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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int usage(char *argv[])
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{
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fprintf(stderr, "Usage: %s [-v] [-n] [-a] device-path [partition-no]\n",
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argv[0]);
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return 1;
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}
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/*
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* NAME: main()
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* DESCRIPTION: program entry
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*/
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int main(int argc, char *argv[])
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{
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char *path;
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int nparts, pnum, result;
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hfsvol vol;
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suid_init();
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if (argc == 2)
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{
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if (strcmp(argv[1], "--version") == 0)
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{
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printf("%s - %s\n", hfsutils_version, hfsutils_copyright);
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printf("`%s --license' for licensing information.\n", argv[0]);
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return 0;
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}
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else if (strcmp(argv[1], "--license") == 0)
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{
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printf("\n%s", hfsutils_license);
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return 0;
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}
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}
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options = HFSCK_REPAIR;
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while (1)
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{
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int opt;
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opt = getopt(argc, argv, "vna");
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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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return usage(argv);
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case 'v':
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options |= HFSCK_VERBOSE;
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break;
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case 'n':
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options &= ~HFSCK_REPAIR;
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break;
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case 'a':
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options |= HFSCK_YES;
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break;
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}
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}
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if (argc - optind < 1 ||
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argc - optind > 2)
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return usage(argv);
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path = argv[optind];
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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 (nparts == 0)
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{
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fprintf(stderr, "%s: partitioned medium contains no HFS partitions\n",
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argv[0]);
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return 1;
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}
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if (argc - optind == 2)
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{
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pnum = atoi(argv[optind + 1]);
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if (pnum < 0)
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{
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fprintf(stderr, "%s: invalid partition number\n", argv[0]);
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return 1;
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}
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if (nparts == -1 && pnum > 0)
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{
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fprintf(stderr, "%s: warning: ignoring partition number for"
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" non-partitioned medium\n", argv[0]);
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pnum = 0;
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}
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else if (nparts > 0 && pnum == 0)
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{
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fprintf(stderr, "%s: cannot specify whole medium"
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" (has %d partition%s)\n", argv[0], nparts,
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nparts == 1 ? "" : "s");
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return 1;
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}
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else if (nparts > 0 && pnum > nparts)
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{
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fprintf(stderr, "%s: invalid partition number (only %d available)\n",
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argv[0], nparts);
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return 1;
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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, "%s: must specify partition number (%d available)\n",
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argv[0], nparts);
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return 1;
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}
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else if (nparts == -1)
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pnum = 0;
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else
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pnum = 1;
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}
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v_init(&vol, HFS_OPT_NOCACHE);
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if (REPAIR)
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{
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suid_enable();
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result = v_open(&vol, path, HFS_MODE_RDWR);
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suid_disable();
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if (result == -1)
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{
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vol.flags |= HFS_VOL_READONLY;
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suid_enable();
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result = v_open(&vol, path, HFS_MODE_RDONLY);
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suid_disable();
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}
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}
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if (result == -1)
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{
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perror(path);
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return 1;
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}
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if (REPAIR && (vol.flags & HFS_VOL_READONLY))
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{
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fprintf(stderr, "%s: warning: %s not writable; cannot repair\n",
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argv[0], path);
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options &= ~HFSCK_REPAIR;
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}
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if (v_geometry(&vol, pnum) == -1 ||
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l_getmdb(&vol, &vol.mdb, 0) == -1)
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{
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perror(path);
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v_close(&vol);
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return 1;
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}
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result = hfsck(&vol);
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vol.flags |= HFS_VOL_MOUNTED;
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if (v_close(&vol) == -1)
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{
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perror("closing volume");
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return 1;
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}
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return result;
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}
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