1197139Shrs/*- 2197139Shrs * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3197139Shrs * Copyright (c) 2014 The FreeBSD Foundation 4197139Shrs * All rights reserved. 5197139Shrs * 6198190Sdougb * This software was developed by Edward Tomasz Napierala under sponsorship 7197139Shrs * from the FreeBSD Foundation. 8197139Shrs * 9197139Shrs * Redistribution and use in source and binary forms, with or without 10197139Shrs * modification, are permitted provided that the following conditions 11197139Shrs * are met: 12197139Shrs * 1. Redistributions of source code must retain the above copyright 13197139Shrs * notice, this list of conditions and the following disclaimer. 14197139Shrs * 2. Redistributions in binary form must reproduce the above copyright 15197139Shrs * notice, this list of conditions and the following disclaimer in the 16197139Shrs * documentation and/or other materials provided with the distribution. 17197139Shrs * 18197139Shrs * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 19197139Shrs * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20197139Shrs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21197139Shrs * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 22197139Shrs * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23197139Shrs * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24220153Semaste * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25197139Shrs * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26197139Shrs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27197139Shrs * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28197139Shrs * SUCH DAMAGE. 29197139Shrs */ 30197139Shrs 31197139Shrs#include <sys/cdefs.h> 32197139Shrs#include <stdio.h> 33197139Shrs#include <stdlib.h> 34197139Shrs#include <string.h> 35197139Shrs 36197139Shrs#include "fstyp.h" 37197139Shrs 38197139Shrs#define ISO9660_MAGIC "\x01" "CD001" "\x01\x00" 39197139Shrs#define ISO9660_OFFSET 0x8000 40197139Shrs#define VOLUME_LEN 32 41197139Shrs 42197947Sdougbint 43197139Shrsfstyp_cd9660(FILE *fp, char *label, size_t size) 44197139Shrs{ 45197139Shrs char *sector, *volume; 46197139Shrs 47197139Shrs sector = read_buf(fp, ISO9660_OFFSET, 512); 48197139Shrs if (sector == NULL) 49197139Shrs return (1); 50197139Shrs if (bcmp(sector, ISO9660_MAGIC, sizeof(ISO9660_MAGIC) - 1) != 0) { 51220153Semaste free(sector); 52197139Shrs return (1); 53197139Shrs } 54197139Shrs volume = sector + 0x28; 55197139Shrs bzero(label, size); 56197139Shrs strlcpy(label, volume, MIN(size, VOLUME_LEN)); 57197139Shrs free(sector); 58197139Shrs rtrim(label, size); 59197139Shrs return (0); 60197139Shrs} 61197139Shrs