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rufus/br.c
2011-11-29 20:18:23 +00:00

191 lines
5.3 KiB
C

/******************************************************************
Copyright (C) 2009 Henrik Carlqvist
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
******************************************************************/
#include <stdio.h>
#include "file.h"
#include "br.h"
int is_br(FILE *fp)
{
/* A "file" is probably some kind of boot record if it contains the magic
chars 0x55, 0xAA at position 0x1FE */
unsigned char aucRef[] = {0x55, 0xAA};
return contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_br */
int is_lilo_br(FILE *fp)
{
/* A "file" is probably a LILO boot record if it contains the magic
chars LILO at position 0x6 or 0x2 for floppies */
unsigned char aucRef[] = {'L','I','L','O'};
return ( contains_data(fp, 0x6, aucRef, sizeof(aucRef)) ||
contains_data(fp, 0x2, aucRef, sizeof(aucRef)) );
} /* is_lilo_br */
int is_dos_mbr(FILE *fp)
{
#include "mbr_dos.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_dos_0x0, sizeof(mbr_dos_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_dos_mbr */
int is_dos_f2_mbr(FILE *fp)
{
#include "mbr_dos_f2.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_dos_f2_0x0, sizeof(mbr_dos_f2_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_dos_f2_mbr */
int is_95b_mbr(FILE *fp)
{
#include "mbr_95b.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_95b_0x0, sizeof(mbr_95b_0x0)) &&
contains_data(fp, 0x0e0, mbr_95b_0x0e0, sizeof(mbr_95b_0x0e0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_95b_mbr */
int is_2000_mbr(FILE *fp)
{
#include "mbr_2000.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_2000_0x0, sizeof(mbr_2000_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_2000_mbr */
int is_vista_mbr(FILE *fp)
{
#include "mbr_vista.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_vista_0x0, sizeof(mbr_vista_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_vista_mbr */
int is_win7_mbr(FILE *fp)
{
#include "mbr_win7.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_win7_0x0, sizeof(mbr_win7_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_win7_mbr */
int is_syslinux_mbr(FILE *fp)
{
#include "mbr_syslinux.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
contains_data(fp, 0x0, mbr_syslinux_0x0, sizeof(mbr_syslinux_0x0)) &&
contains_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* is_syslinux_mbr */
int is_zero_mbr(FILE *fp)
{
#include "mbr_zero.h"
return
contains_data(fp, 0x0, mbr_zero_0x0, sizeof(mbr_zero_0x0));
/* Don't bother to check 55AA signature */
} /* is_zero_mbr */
int write_dos_mbr(FILE *fp)
{
#include "mbr_dos.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_dos_0x0, sizeof(mbr_dos_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_dos_mbr */
int write_95b_mbr(FILE *fp)
{
#include "mbr_95b.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_95b_0x0, sizeof(mbr_95b_0x0)) &&
write_data(fp, 0x0e0, mbr_95b_0x0e0, sizeof(mbr_95b_0x0e0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_95b_mbr */
int write_2000_mbr(FILE *fp)
{
#include "mbr_2000.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_2000_0x0, sizeof(mbr_2000_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_2000_mbr */
int write_vista_mbr(FILE *fp)
{
#include "mbr_vista.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_vista_0x0, sizeof(mbr_vista_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_vista_mbr */
int write_win7_mbr(FILE *fp)
{
#include "mbr_win7.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_win7_0x0, sizeof(mbr_win7_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_win7_mbr */
int write_syslinux_mbr(FILE *fp)
{
#include "mbr_syslinux.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_syslinux_0x0, sizeof(mbr_syslinux_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_syslinux_mbr */
int write_zero_mbr(FILE *fp)
{
#include "mbr_zero.h"
unsigned char aucRef[] = {0x55, 0xAA};
return
write_data(fp, 0x0, mbr_zero_0x0, sizeof(mbr_zero_0x0)) &&
write_data(fp, 0x1FE, aucRef, sizeof(aucRef));
} /* write_zero_mbr */