/****************************************************************** 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 #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 */ int clear_mbr(FILE *fp) { unsigned char buf[512] = { 0 }; return write_data(fp, 0x0, buf, sizeof(buf)); } /* clear_mbr */