mirror of
https://github.com/isfshax/isfshax.git
synced 2024-11-08 20:55:09 +01:00
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
|
|
* minute - a port of the "mini" IOS replacement for the Wii U.
|
|
*
|
|
* Copyright (C) 2016 SALT
|
|
* Copyright (C) 2016 Daz Jones <daz@dazzozo.com>
|
|
*
|
|
* This code is licensed to you under the terms of the GNU GPL, version 2;
|
|
* see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
|
|
*/
|
|
|
|
#include "types.h"
|
|
#include "utils.h"
|
|
#include "memory.h"
|
|
|
|
#include "debug.h"
|
|
#include <string.h>
|
|
#include <sys/errno.h>
|
|
#include <stdio.h>
|
|
|
|
#include "sha.h"
|
|
#include "crypto.h"
|
|
#include "smc.h"
|
|
|
|
#include "ancast.h"
|
|
|
|
|
|
u32 ancast_iop_load(u8* buffer, size_t size)
|
|
{
|
|
u32 magic = read32((u32) buffer);
|
|
if(magic != ANCAST_MAGIC) {
|
|
DEBUG("ancast_iop_load: not an ancast image (magic is 0x%08lX, expected 0x%08lX).\n", magic, ANCAST_MAGIC);
|
|
return 0;
|
|
}
|
|
|
|
u32 sig_offset = read32((u32) &buffer[0x08]);
|
|
u32 sig_type = read32((u32) &buffer[sig_offset]);
|
|
|
|
if (sig_type != 0x02) {
|
|
DEBUG("ancast_iop_load: unexpected signature type 0x%02lX.\n", sig_type);
|
|
return 0;
|
|
}
|
|
|
|
ancast_header* ancast = (ancast_header*)&buffer[0x1A0];
|
|
u8 target = ancast->device >> 4;
|
|
|
|
if(target != ANCAST_TARGET_IOP) {
|
|
DEBUG("ancast: not an IOP image (target is 0x%02X, expected 0x%02X).\n", target, ANCAST_TARGET_IOP);
|
|
return 0;
|
|
}
|
|
|
|
u8* body = (u8*)(ancast + 1);
|
|
|
|
u32 hash[SHA_HASH_WORDS] = {0};
|
|
sha_hash(body, hash, ancast->body_size);
|
|
|
|
u32* h1 = ancast->body_hash;
|
|
u32* h2 = hash;
|
|
if(memcmp(h1, h2, SHA_HASH_SIZE) != 0) {
|
|
DEBUG("ancast: body hash check failed.\n");
|
|
DEBUG(" expected: %08lX%08lX%08lX%08lX%08lX\n", h1[0], h1[1], h1[2], h1[3], h1[4]);
|
|
DEBUG(" calculated: %08lX%08lX%08lX%08lX%08lX\n", h2[0], h2[1], h2[2], h2[3], h2[4]);
|
|
return 0;
|
|
}
|
|
|
|
ios_header* header = (ios_header*)body;
|
|
u32 vector = (u32) &body[header->header_size];
|
|
|
|
return vector;
|
|
}
|