mirror of
https://gitlab.com/Nanolx/homebrewfilter.git
synced 2024-11-15 13:55:15 +01:00
70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
#include <gccore.h>
|
|
#include <ogc/machine/processor.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "RuntimeIOSPatch.h"
|
|
|
|
#define MEM_PROT 0xD8B420A
|
|
|
|
const u8 isfs_permissions_old[] = { 0x42, 0x8B, 0xD0, 0x01, 0x25, 0x66 };
|
|
const u8 isfs_permissions_patch[] = { 0x42, 0x8B, 0xE0, 0x01, 0x25, 0x66 };
|
|
const u8 setuid_old[] = { 0xD1, 0x2A, 0x1C, 0x39 };
|
|
const u8 setuid_patch[] = { 0x46, 0xC0 };
|
|
const u8 es_identify_old[] = { 0x28, 0x03, 0xD1, 0x23 };
|
|
const u8 es_identify_patch[] = { 0x00, 0x00 };
|
|
const u8 hash_old[] = { 0x20, 0x07, 0x4B, 0x0B };
|
|
const u8 hash_patch[] = { 0x00 };
|
|
const u8 addticket_vers_check[] = { 0xD2, 0x01, 0x4E, 0x56 };
|
|
const u8 addticket_patch[] = { 0xE0 };
|
|
|
|
u32 apply_patch(const char *name, const u8 *old, u32 old_size, const u8 *patch, u32 patch_size, u32 patch_offset)
|
|
{
|
|
// printf("Applying patch %s.....", name);
|
|
u8 *ptr = (u8 *) 0x93400000;
|
|
u32 i, found = 0;
|
|
u8 *start;
|
|
|
|
while ((u32) ptr < (0x94000000 - old_size))
|
|
{
|
|
if(!memcmp(ptr, old, old_size))
|
|
{
|
|
found++;
|
|
start = ptr + patch_offset;
|
|
for (i = 0; i < patch_size; i++)
|
|
*(start + i) = patch[i];
|
|
ptr += patch_size;
|
|
DCFlushRange((u8 *) (((u32) start) >> 5 << 5), (patch_size >> 5 << 5) + 64);
|
|
}
|
|
ptr++;
|
|
}
|
|
// if(found)
|
|
// printf("Patched\n");
|
|
// else
|
|
// printf("\n");
|
|
|
|
return found;
|
|
}
|
|
|
|
u32 runtimePatchApply()
|
|
{
|
|
u32 count = 0;
|
|
write16(MEM_PROT, 0);
|
|
count += apply_patch("Trucha", hash_old,
|
|
sizeof(hash_old), hash_patch, sizeof(hash_patch), 1);
|
|
count += apply_patch("ES_Identify", es_identify_old,
|
|
sizeof(es_identify_old), es_identify_patch, sizeof(es_identify_patch),
|
|
2);
|
|
count += apply_patch("NAND Permissions", isfs_permissions_old,
|
|
sizeof(isfs_permissions_old), isfs_permissions_patch,
|
|
sizeof(isfs_permissions_patch), 0);
|
|
count += apply_patch("add ticket patch", addticket_vers_check,
|
|
sizeof(addticket_vers_check), addticket_patch, sizeof(addticket_patch),
|
|
0);
|
|
count += apply_patch("ES_SetUID", setuid_old, sizeof(setuid_old),
|
|
setuid_patch, sizeof(setuid_patch), 0);
|
|
write16(MEM_PROT, 1);
|
|
return count;
|
|
}
|