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usbloadergx/source/Channels/channels.cpp

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/***************************************************************************
* Copyright (C) 2010 by dude
* Copyright (C) 2011 by Miigotu
* Copyright (C) 2011 by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
***************************************************************************/
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sys/dirent.h>
#include "FileOperations/fileops.h"
#include "Controls/DeviceHandler.hpp"
#include "settings/CSettings.h"
#include "settings/GameTitles.h"
#include "patches/gamepatches.h"
#include "wad/nandtitle.h"
#include "memory/memory.h"
#include "utils/lz77.h"
#include "gecko.h"
#include "cache/cache.hpp"
#include "channels.h"
/* GCC 11 false positives */
#if __GNUC__ > 10
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overflow"
#endif
typedef struct _dolheader
{
u32 section_pos[18];
u32 section_start[18];
u32 section_size[18];
u32 bss_start;
u32 bss_size;
u32 entry_point;
u32 padding[7];
} __attribute__((packed)) dolheader;
Channels *Channels::instance = NULL;
void Channels::clear()
{
EmuChannels.clear();
//! Clear memory of the vector completely
std::vector<struct discHdr>().swap(EmuChannels);
}
void Channels::GetEmuChannelList(bool use_cache)
{
if (use_cache && Settings.CacheTitles && isCacheFile(EMUNAND_HEADER_CACHE_FILE))
{
if (EmuChannels.empty())
LoadGameHeaderCache(EmuChannels);
if (!EmuChannels.empty())
return;
}
EmuChannels.clear();
char filepath[1024];
int language = CONF_GetLanguage();
snprintf(filepath, sizeof(filepath), "%s/title/00010001", Settings.NandEmuChanPath);
ParseTitleDir(filepath, language);
snprintf(filepath, sizeof(filepath), "%s/title/00010004", Settings.NandEmuChanPath);
ParseTitleDir(filepath, language);
snprintf(filepath, sizeof(filepath), "%s/title/00010002", Settings.NandEmuChanPath);
ParseTitleDir(filepath, language);
if (Settings.CacheTitles)
SaveGameHeaderCache(EmuChannels);
}
void Channels::GetChannelList()
{
NandChannels.clear();
// Get count of titles of the good titles
InternalGetNandChannelList(0x00010001);
InternalGetNandChannelList(0x00010004);
InternalGetNandChannelList(0x00010002);
}
void Channels::InternalGetNandChannelList(u32 type)
{
// Get count of system titles
u32 num_titles = NandTitles.SetType(type);
for (u32 i = 0; i < num_titles; i++)
{
u64 tid = NandTitles.Next();
if (!tid)
break;
// These can't be booted anyways
if (TITLE_LOWER(tid) == 0x48414741 || TITLE_LOWER(tid) == 0x48414141 || TITLE_LOWER(tid) == 0x48414641)
continue;
// These aren't installed on the nand
if (!NandTitles.Exists(tid))
continue;
char id[5];
NandTitles.AsciiTID(tid, id);
// Force old and new format to be "JODI" which is known by GameTDB
if (tid == 0x000100014c554c5aLL || tid == 0x00010001AF1BF516LL || tid == 0x0001000148415858LL)
strcpy(id, "JODI");
std::string TitleName(NandTitles.NameOf(tid));
TitleName.erase(0, TitleName.find_first_not_of(' '));
int s = NandChannels.size();
NandChannels.resize(s + 1);
memset(&NandChannels[s], 0, sizeof(struct discHdr));
memcpy(NandChannels[s].id, id, 4);
NandChannels[s].tid = tid;
NandChannels[s].type = TYPE_GAME_NANDCHAN;
strncpy(NandChannels[s].title, TitleName.c_str(), sizeof(NandChannels[s].title) - 1);
}
}
std::vector<struct discHdr> &Channels::GetNandHeaders(void)
{
if (NandChannels.empty())
this->GetChannelList();
return NandChannels;
}
std::vector<struct discHdr> &Channels::GetEmuHeaders(void)
{
if (EmuChannels.empty())
this->GetEmuChannelList(true);
return EmuChannels;
}
u8 *Channels::GetDol(const u64 &title, u8 *tmdBuffer, bool &isForwarder)
{
static const u8 dolsign[6] = {0x00, 0x00, 0x01, 0x00, 0x00, 0x00};
static u8 dolhead[32] ATTRIBUTE_ALIGN(32);
u8 *buffer = NULL;
u32 filesize = 0;
u32 bootcontent = 0xDEADBEAF;
u32 high = TITLE_UPPER(title);
u32 low = TITLE_LOWER(title);
char *filepath = (char *)memalign(32, ISFS_MAXPATH);
if (!filepath)
return NULL;
_tmd *tmd_file = (_tmd *)SIGNATURE_PAYLOAD((u32 *)tmdBuffer);
if (!Settings.UseChanLauncher)
{
// Channels and VC
for (u32 i = 0; i < tmd_file->num_contents; ++i)
{
if (tmd_file->contents[i].index == tmd_file->boot_index)
continue; // Skip loader
snprintf(filepath, ISFS_MAXPATH, "/title/%08x/%08x/content/%08x.app", (unsigned int)high, (unsigned int)low, (unsigned int)tmd_file->contents[i].cid);
s32 fd = ISFS_Open(filepath, ISFS_OPEN_READ);
if (fd < 0)
continue;
s32 ret = ISFS_Read(fd, dolhead, 32);
ISFS_Close(fd);
if (ret != 32)
continue;
if (memcmp(dolhead, dolsign, sizeof(dolsign)) == 0)
{
// Normal channels and VC use 1
if (tmd_file->contents[i].index != 1)
isForwarder = true;
bootcontent = tmd_file->contents[i].cid;
break;
}
}
// WiiWare not matching a dol signature
if (bootcontent == 0xDEADBEAF)
{
for (u32 i = 0; i < tmd_file->num_contents; ++i)
{
if (tmd_file->contents[i].index == 1)
{
bootcontent = tmd_file->contents[i].cid;
break;
}
}
}
}
//! Fall back to boot content if dol is not found
if (bootcontent == 0xDEADBEAF)
{
bootcontent = tmd_file->contents[tmd_file->boot_index].cid;
if (!Settings.UseChanLauncher)
gprintf("Main dol not found -> ");
gprintf("Loading boot content index\n");
}
snprintf(filepath, ISFS_MAXPATH, "/title/%08x/%08x/content/%08x.app", (unsigned int)high, (unsigned int)low, (unsigned int)bootcontent);
gprintf("Loading Channel DOL: %s\n", filepath);
if (NandTitle::LoadFileFromNand(filepath, &buffer, &filesize) < 0)
{
gprintf("Failed loading DOL file\n");
free(filepath);
return NULL;
}
free(filepath);
if (isLZ77compressed(buffer))
{
u8 *decompressed = NULL;
u32 size = 0;
if (decompressLZ77content(buffer, filesize, &decompressed, &size) < 0)
{
gprintf("Decompression failed\n");
free(buffer);
return NULL;
}
free(buffer);
buffer = decompressed;
filesize = size;
}
// move dol to mem2
u8 *outBuf = (u8 *)MEM2_alloc(filesize);
if (!outBuf)
return buffer;
memcpy(outBuf, buffer, filesize);
free(buffer);
return outBuf;
}
u8 Channels::GetRequestedIOS(const u64 &title)
{
u8 IOS = 0;
u32 tmdSize = 0;
u8 *titleTMD = GetTMD(title, &tmdSize, "");
if (!titleTMD)
return 0;
if (tmdSize > 0x18B)
IOS = titleTMD[0x18B];
free(titleTMD);
return IOS;
}
u8 *Channels::GetTMD(const u64 &tid, u32 *size, const char *prefix)
{
char *filepath = (char *)memalign(32, ISFS_MAXPATH);
if (!filepath)
return NULL;
if (!prefix)
prefix = "";
snprintf(filepath, ISFS_MAXPATH, "%s/title/%08x/%08x/content/title.tmd", prefix, (unsigned int)TITLE_UPPER(tid), (unsigned int)TITLE_LOWER(tid));
u8 *tmdBuffer = NULL;
u32 tmdSize = 0;
int ret;
if (*prefix != '\0')
ret = LoadFileToMem(filepath, &tmdBuffer, &tmdSize);
else
ret = NandTitle::LoadFileFromNand(filepath, &tmdBuffer, &tmdSize);
free(filepath);
if (ret < 0)
{
gprintf("Reading TMD...Failed!\n");
if (tmdBuffer)
free(tmdBuffer);
return NULL;
}
if (size)
*size = tmdSize;
return tmdBuffer;
}
u32 Channels::LoadChannel(const u64 &chantitle)
{
ISFS_Initialize();
u32 ios = 0;
u32 tmdSize = 0;
u8 *tmdBuffer = GetTMD(chantitle, &tmdSize, "");
if (!tmdBuffer)
{
ISFS_Deinitialize();
return 0;
}
bool isForwarder = false;
u8 *chanDOL = GetDol(chantitle, tmdBuffer, isForwarder);
if (!chanDOL)
{
ISFS_Deinitialize();
free(tmdBuffer);
return 0;
}
if (tmdSize > 0x18B)
ios = tmdBuffer[0x18B];
Identify(chantitle, tmdBuffer, tmdSize);
free(tmdBuffer);
dolheader *dolfile = (dolheader *)chanDOL;
if (dolfile->bss_start)
{
dolfile->bss_start |= 0x80000000;
if (dolfile->bss_start < 0x81800000)
{
// For homebrews...not all have it clean.
if (dolfile->bss_start + dolfile->bss_size >= 0x81800000)
dolfile->bss_size = 0x81800000 - dolfile->bss_start;
memset((void *)dolfile->bss_start, 0, dolfile->bss_size);
DCFlushRange((void *)dolfile->bss_start, dolfile->bss_size);
ICInvalidateRange((void *)dolfile->bss_start, dolfile->bss_size);
}
}
int i;
for (i = 0; i < 18; i++)
{
if (!dolfile->section_size[i])
continue;
if (dolfile->section_pos[i] < sizeof(dolheader))
continue;
if (!(dolfile->section_start[i] & 0x80000000))
dolfile->section_start[i] |= 0x80000000;
u8 *dolChunkOffset = (u8 *)dolfile->section_start[i];
u32 dolChunkSize = dolfile->section_size[i];
memmove(dolChunkOffset, chanDOL + dolfile->section_pos[i], dolChunkSize);
DCFlushRange(dolChunkOffset, dolChunkSize);
ICInvalidateRange(dolChunkOffset, dolChunkSize);
RegisterDOL(dolChunkOffset, dolChunkSize);
}
u32 chanEntryPoint = dolfile->entry_point;
free(dolfile);
// Preparations
memset((void *)Disc_ID, 0, 6);
*Disc_ID = TITLE_LOWER(chantitle); // Game ID
*Arena_H = 0; // Arena High, the apploader does this too
*BI2 = 0x817FE000; // BI2, the apploader does this too
*Bus_Speed = 0x0E7BE2C0; // bus speed
*CPU_Speed = 0x2B73A840; // cpu speed
*GameID_Address = 0x81000000; // Game id address, while there's all 0s at 0x81000000 when using the apploader...
memcpy((void *)Online_Check, (void *)Disc_ID, 4); // online check
memset((void *)0x817FE000, 0, 0x2000); // Clearing BI2
DCFlushRange((void *)0x817FE000, 0x2000);
// IOS Version Check
*(vu32 *)0x80003140 = ((ios << 16)) | 0xFFFF;
if (!isForwarder)
*(vu32 *)0x80003188 = ((ios << 16)) | 0xFFFF;
ISFS_Deinitialize();
return chanEntryPoint;
}
static bool Identify_GenerateTik(signed_blob **outbuf, u32 *outlen)
{
signed_blob *buffer = (signed_blob *)memalign(32, STD_SIGNED_TIK_SIZE);
if (!buffer)
return false;
memset(buffer, 0, STD_SIGNED_TIK_SIZE);
sig_rsa2048 *signature = (sig_rsa2048 *)buffer;
signature->type = ES_SIG_RSA2048;
tik *tik_data = (tik *)SIGNATURE_PAYLOAD(buffer);
strcpy(tik_data->issuer, "Root-CA00000001-XS00000003");
memset(tik_data->cidx_mask, 0xFF, 32);
*outbuf = buffer;
*outlen = STD_SIGNED_TIK_SIZE;
return true;
}
bool Channels::Identify(const u64 &titleid, u8 *tmdBuffer, u32 tmdSize)
{
char *filepath = (char *)memalign(32, ISFS_MAXPATH);
if (!filepath)
return false;
u32 tikSize;
signed_blob *tikBuffer = NULL;
if (!Identify_GenerateTik(&tikBuffer, &tikSize))
{
free(filepath);
gprintf("Generating fake ticket...Failed!");
return false;
}
strlcpy(filepath, "/sys/cert.sys", ISFS_MAXPATH);
u8 *certBuffer = NULL;
u32 certSize = 0;
if (NandTitle::LoadFileFromNand(filepath, &certBuffer, &certSize) < 0)
{
gprintf("Reading certs...Failed!\n");
free(tikBuffer);
free(filepath);
return false;
}
s32 ret = ES_Identify((signed_blob *)certBuffer, certSize, (signed_blob *)tmdBuffer, tmdSize, tikBuffer, tikSize, NULL);
if (ret < 0)
{
switch (ret)
{
case ES_EINVAL:
gprintf("Error! ES_Identify (ret = %d;) Data invalid!\n", ret);
break;
case ES_EALIGN:
gprintf("Error! ES_Identify (ret = %d;) Data not aligned!\n", ret);
break;
case ES_ENOTINIT:
gprintf("Error! ES_Identify (ret = %d;) ES not initialized!\n", ret);
break;
case ES_ENOMEM:
gprintf("Error! ES_Identify (ret = %d;) No memory!\n", ret);
break;
default:
gprintf("Error! ES_Identify (ret = %d)\n", ret);
break;
}
}
free(tikBuffer);
free(filepath);
free(certBuffer);
return ret < 0 ? false : true;
}
bool Channels::emuExists(char *tmdpath)
{
u8 *buffer = NULL;
u32 size = 0;
if (LoadFileToMem(tmdpath, &buffer, &size) < 0)
return false;
signed_blob *s_tmd = (signed_blob *)buffer;
u32 i;
tmd *titleTmd = (tmd *)SIGNATURE_PAYLOAD(s_tmd);
for (i = 0; i < titleTmd->num_contents; i++)
if (!titleTmd->contents[i].index)
break;
if (i == titleTmd->num_contents)
{
free(buffer);
return false;
}
u32 cid = titleTmd->contents[i].cid;
free(buffer);
char *ptr = strrchr(tmdpath, '/');
if (!ptr)
return false;
//! tmdpath has length of 1024
snprintf(ptr + 1, 1024 - (ptr + 1 - tmdpath), "%08x.app", (unsigned int)cid);
FILE *f = fopen(tmdpath, "rb");
if (!f)
return false;
fclose(f);
return true;
}
bool Channels::ParseTitleDir(char *path, int language)
{
if (!path)
return false;
const char *tidPtr = strrchr(path, '/');
if (!tidPtr)
return false;
else
tidPtr++;
struct dirent *dirent = NULL;
DIR *dir = opendir(path);
if (!dir)
return false;
char *pathEndPtr = path + strlen(path);
u32 tidHigh = strtoul(tidPtr, NULL, 16);
struct stat st;
while ((dirent = readdir(dir)) != 0)
{
if (strlen(dirent->d_name) == 0)
continue;
// These can't be booted anyways
if (dirent->d_name[0] == '.' || strcmp(dirent->d_name, "48414141") == 0 || strcmp(dirent->d_name, "48414641") == 0)
continue;
snprintf(pathEndPtr, 1024 - (pathEndPtr - path), "/%s/content/title.tmd", dirent->d_name);
if (stat(path, &st) != 0)
continue;
// Check if content in tmd exists
if (!emuExists(path))
continue;
// Reset tmd location on path
snprintf(pathEndPtr, 1024 - (pathEndPtr - path), "/%s/content/title.tmd", dirent->d_name);
u32 tidLow = strtoul(dirent->d_name, NULL, 16);
char id[5];
memset(id, 0, sizeof(id));
memcpy(id, &tidLow, 4);
u64 tid = ((u64)tidHigh << 32) | ((u64)tidLow);
// Force old and new format to be "JODI" which is known by GameTDB
if (tid == 0x000100014c554c5aLL || tid == 0x00010001AF1BF516LL || tid == 0x0001000148415858LL)
strcpy(id, "JODI");
std::string TitleName;
if(!GetEmuChanTitle(path, language, TitleName))
TitleName = id;
TitleName.erase(0, TitleName.find_first_not_of(' '));
int s = EmuChannels.size();
EmuChannels.resize(s + 1);
memset(&EmuChannels[s], 0, sizeof(struct discHdr));
memcpy(EmuChannels[s].id, id, 4);
EmuChannels[s].tid = tid;
EmuChannels[s].type = TYPE_GAME_EMUNANDCHAN;
strncpy(EmuChannels[s].title, TitleName.c_str(), sizeof(EmuChannels[s].title) - 1);
}
closedir(dir);
return true;
}
bool Channels::GetEmuChanTitle(char *tmdpath, int language, std::string &Title)
{
u8 *buffer = NULL;
u32 size = 0;
if (LoadFileToMem(tmdpath, &buffer, &size) < 0)
return false;
signed_blob *s_tmd = (signed_blob *)buffer;
u32 i;
tmd *titleTmd = (tmd *)SIGNATURE_PAYLOAD(s_tmd);
for (i = 0; i < titleTmd->num_contents; i++)
if (!titleTmd->contents[i].index)
break;
if (i == titleTmd->num_contents)
{
free(buffer);
return false;
}
u32 cid = titleTmd->contents[i].cid;
free(buffer);
char *ptr = strrchr(tmdpath, '/');
if (!ptr)
return false;
//! tmdpath has length of 1024
snprintf(ptr + 1, 1024 - (ptr + 1 - tmdpath), "%08x.app", (unsigned int)cid);
FILE *f = fopen(tmdpath, "rb");
if (!f)
return false;
if (fseek(f, IMET_OFFSET, SEEK_SET) != 0)
{
fclose(f);
return false;
}
IMET *imet = (IMET *)malloc(sizeof(IMET));
if (!imet)
{
fclose(f);
return false;
}
if (fread(imet, 1, sizeof(IMET), f) != sizeof(IMET))
{
free(imet);
fclose(f);
return false;
}
fclose(f);
if (imet->sig != IMET_SIGNATURE)
{
free(imet);
return false;
}
// names not available
if (imet->name_japanese[language * IMET_MAX_NAME_LEN] == 0)
{
if (imet->name_english[0] != 0)
language = CONF_LANG_ENGLISH;
else
{
free(imet);
return false;
}
}
wchar_t wName[IMET_MAX_NAME_LEN];
// retrieve channel name in system language or on english
for (int i = 0; i < IMET_MAX_NAME_LEN; i++)
wName[i] = imet->name_japanese[i + (language * IMET_MAX_NAME_LEN)];
wString wsname(wName);
Title = wsname.toUTF8();
free(imet);
return true;
}
u8 *Channels::GetOpeningBnr(const u64 &title, u32 *outsize, const char *pathPrefix)
{
u8 *banner = NULL;
u32 high = TITLE_UPPER(title);
u32 low = TITLE_LOWER(title);
char *filepath = (char *)memalign(32, ISFS_MAXPATH + strlen(pathPrefix));
if (!filepath)
return NULL;
do
{
snprintf(filepath, ISFS_MAXPATH, "%s/title/%08x/%08x/content/title.tmd", pathPrefix, (unsigned int)high, (unsigned int)low);
u8 *buffer = NULL;
u32 filesize = 0;
int ret = 0;
if (pathPrefix && *pathPrefix != 0)
ret = LoadFileToMem(filepath, &buffer, &filesize);
else
ret = NandTitle::LoadFileFromNand(filepath, &buffer, &filesize);
if (ret < 0)
break;
_tmd *tmd_file = (_tmd *)SIGNATURE_PAYLOAD((u32 *)buffer);
bool found = false;
u32 bootcontent = 0;
for (u32 i = 0; i < tmd_file->num_contents; ++i)
{
if (tmd_file->contents[i].index == 0)
{
bootcontent = tmd_file->contents[i].cid;
found = true;
break;
}
}
free(buffer);
buffer = NULL;
filesize = 0;
if (!found)
break;
snprintf(filepath, ISFS_MAXPATH, "%s/title/%08x/%08x/content/%08x.app", pathPrefix, (unsigned int)high, (unsigned int)low, (unsigned int)bootcontent);
if (pathPrefix && *pathPrefix != 0)
ret = LoadFileToMem(filepath, &buffer, &filesize);
else
ret = NandTitle::LoadFileFromNand(filepath, &buffer, &filesize);
if (ret < 0)
break;
IMET *imet = (IMET *)(buffer + IMET_OFFSET);
if (imet->sig != IMET_SIGNATURE)
{
free(buffer);
break;
}
// move IMET_OFFSET bytes back
filesize -= IMET_OFFSET;
banner = (u8 *)memalign(32, filesize);
if (!banner)
{
free(buffer);
break;
}
memcpy(banner, buffer + IMET_OFFSET, filesize);
free(buffer);
if (outsize)
*outsize = filesize;
} while (0);
free(filepath);
return banner;
}
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