mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-17 23:41:53 +01:00
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
/***************************************************************************
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* Copyright (C) 2011
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* by Dimok
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* Modifications by xFede
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* Wiiflowized and heavily improved by Miigotu
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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***************************************************************************/
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#include <gctypes.h>
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#include <malloc.h>
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#include <cstdio>
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#include <cstring>
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#include "cios.hpp"
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#include "utils.h"
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#include "mem2.hpp"
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#include "fs.h"
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#define ARRAY_SIZE(a) (sizeof a / sizeof a[0])
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static u32 allowedBases[] = { 37, 38, 53, 55, 56, 57, 58 };
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/* Check if the cIOS is a D2X. */
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bool cIOSInfo::D2X(u8 ios, u8 *base)
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{
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iosinfo_t *info = GetInfo(ios);
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if(!info)
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return false;
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*base = (u8)info->baseios;
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SAFE_FREE(info);
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return true;
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}
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/*
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* Reads the ios info struct from the .app file.
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* @return pointer to iosinfo_t on success else NULL. The user is responsible for freeing the buffer.
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*/
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iosinfo_t *cIOSInfo::GetInfo(u8 ios)
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{
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u32 TMD_Length;
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if (ES_GetStoredTMDSize(TITLE_ID(1, ios), &TMD_Length) < 0) return NULL;
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signed_blob *TMD = (signed_blob*) MEM2_alloc(ALIGN32(TMD_Length));
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if (!TMD) return NULL;
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if (ES_GetStoredTMD(TITLE_ID(1, ios), TMD, TMD_Length) < 0)
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{
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SAFE_FREE(TMD);
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return NULL;
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}
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char filepath[ISFS_MAXPATH] ATTRIBUTE_ALIGN(32);
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sprintf(filepath, "/title/00000001/%08x/content/%08x.app", ios, *(u8 *)((u32)TMD+0x1E7));
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SAFE_FREE(TMD);
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u32 size = 0;
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u8 *buffer = ISFS_GetFile((u8 *) filepath, &size, sizeof(iosinfo_t));
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if(buffer == NULL || size == 0) return NULL;
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iosinfo_t *iosinfo = (iosinfo_t *) buffer;
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bool baseMatch = false;
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for(u8 i = 0; i < ARRAY_SIZE(allowedBases); i++)
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if(iosinfo->baseios == allowedBases[i])
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{
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baseMatch = true;
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break;
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}
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if(iosinfo->magicword != 0x1ee7c105 /* Magic Word */
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|| iosinfo->magicversion != 1 /* Magic Version */
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|| iosinfo->version < 6 /* Version */
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|| !baseMatch /* Base */
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|| strncasecmp(iosinfo->name, "d2x", 3) != 0) /* Name */
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{
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SAFE_FREE(buffer);
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return NULL;
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}
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SAFE_FREE(buffer);
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return iosinfo;
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} |