ÜberWall

UWfirmforce

/* $Id: brcm.c,v 1.1 2009/02/21 21:25:19 khorben Exp $ */
/* Copyright (c) 2007 khorben of Uberwall */
/* 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 version 2 of the License.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdint.h>
#include "plugin.h"
/* brcm */
/* public */
/* types */
#pragma pack(1)
struct brcm
{
char magic[4];
uint32_t sections;
};
struct brcm_section
{
uint32_t type;
uint32_t size;
uint32_t padding;
};
#pragma pack()
enum brcm_type { TYPE_FLASH = 0x12, TYPE_DISK = 0x13, TYPE_TAG = 0x15 };
/* variables */
/* magic */
static unsigned char sig[] = "BRCM";
static PluginMagic brcm_magic[] =
{
{ sizeof(struct brcm), 0, sig, sizeof(sig)-1 },
{ 0, 0, NULL, 0 }
};
/* functions */
static int brcm_callback(PluginHelper * ph, int signature, FILE * fp);
/* plugin */
Plugin plugin =
{
PT_ARCHIVE,
"BRCM",
brcm_magic,
brcm_callback
};
/* private */
/* functions */
/* brcm_callback */
static int _callback_section(PluginHelper * ph, struct brcm_section * buf);
static int brcm_callback(PluginHelper * ph, int signature, FILE * fp)
{
int score = 0;
struct brcm hdr;
struct brcm_section buf;
uint32_t i;
if(fread(&hdr, sizeof(hdr), 1, fp) != 1)
return -1;
/* FIXME not endian-proof */
if(hdr.sections == 0)
{
ph->printf(ph, "%s", "no sections\n");
return 0;
}
ph->printf(ph, "%u%s", hdr.sections, " sections:\n");
for(i = 0; i < hdr.sections; i++)
{
if(fread(&buf, sizeof(buf), 1, fp) != 1)
break;
score += _callback_section(ph, &buf);
}
return score / hdr.sections;
}
static int _callback_section(PluginHelper * ph, struct brcm_section * buf)
{
struct
{
enum brcm_type type;
char * name;
} tn[] =
{
{ TYPE_FLASH, "flash" },
{ TYPE_DISK, "disk" },
{ TYPE_TAG, "tag" },
{ 0, NULL }
};
int i;
for(i = 0; tn[i].name != NULL && buf->type != tn[i].type; i++);
ph->printf(ph, "%s%s%s%u\n", "type ",
tn[i].name != NULL ? tn[i].name : "unknown",
", size ", buf->size);
return tn[i].name != NULL ? 100 : 0;
}