Initial "safe" unlaunch installer attempt

This commit is contained in:
Edoardo Lolletti 2024-04-23 15:11:36 +02:00
parent 35b8982442
commit 12cd316538
2 changed files with 216 additions and 31 deletions

View File

@ -5,7 +5,7 @@ ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
export TARGET := $(shell basename $(CURDIR))
export TARGET := NTM-unlaunch
export TOPDIR := $(CURDIR)
# specify a directory which contains the nitro filesystem

View File

@ -4,11 +4,14 @@
#include "nand/nandio.h"
#include "storage.h"
#include "version.h"
#include <errno.h>
#include <dirent.h>
#include <time.h>
bool programEnd = false;
bool sdnandMode = true;
bool hasTitleTmdMatchingLauncher = true;
bool unlaunchInstallerFound = false;
bool unlaunchFound = false;
bool unlaunchPatches = false;
bool devkpFound = false;
@ -24,6 +27,8 @@ PrintConsole bottomScreen;
enum {
MAIN_MENU_MODE,
MAIN_MENU_INSTALL,
MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL,
MAIN_MENU_SAFE_UNLAUNCH_INSTALL,
MAIN_MENU_TITLES,
MAIN_MENU_BACKUP,
MAIN_MENU_TEST,
@ -77,6 +82,8 @@ static int _mainMenu(int cursor)
sprintf(launcherStr, "\x1B[%02omUninstall region mod", launcherDSiFound ? 047 : 037);
addMenuItem(m, modeStr, NULL, 0);
addMenuItem(m, "Install", NULL, 0);
addMenuItem(m, "Safe unlaunch uninstall", NULL, 0);
addMenuItem(m, "Safe unlaunch install", NULL, 0);
addMenuItem(m, "Titles", NULL, 0);
addMenuItem(m, "Restore", NULL, 0);
addMenuItem(m, "Test", NULL, 0);
@ -123,6 +130,52 @@ void fifoHandlerBattery(u32 value32, void* userdata)
charging = (value32 & BIT(7)) != 0;
}
bool checkIfUnlaunchHasPatches(const char* path)
{
//check if launcher patches are enabled
const static u32 tidValues[][2] = {
// {location, value}
{0xE439, 0x382E3176}, // 1.8
{0xB07C, 0x17484E41}, // 1.9
{0xB099, 0x17484E41}, // 2.0 (Normal)
{0xB079, 0x484E1841}, // 2.0 (Patched)
};
bool patched = false;
FILE *tmd = fopen(path, "rb");
if (tmd)
{
for (int i = 0; i < sizeof(tidValues) / sizeof(tidValues[0]); i++)
{
if (fseek(tmd, tidValues[i][0], SEEK_SET) == 0)
{
u32 tidVal;
fread(&tidVal, sizeof(u32), 1, tmd);
if (tidVal == tidValues[i][1])
{
patched = true;
break;
}
}
}
}
fclose(tmd);
return patched;
}
bool safeCreateDir(const char* path)
{
if (((mkdir(path, 0777) == 0) || errno == EEXIST))
return true;
char errorStr[512];
sprintf(errorStr, "\x1B[31mError:\x1B[33m Failed to create directory (%s)\n", path);
messageBox(errorStr);
return false;
}
int main(int argc, char **argv)
{
srand(time(0));
@ -153,7 +206,10 @@ int main(int argc, char **argv)
return 0;
}
unlaunchInstallerFound = (access("sd:/unlaunch.dsi", F_OK) == 0);
//check for unlaunch and region
char launcherTmdPath[64];
{
FILE *file = fopen("nand:/sys/HWINFO_S.dat", "rb");
if (file)
@ -165,37 +221,26 @@ int main(int argc, char **argv)
region = launcherTid & 0xFF;
char path[64];
sprintf(path, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
unsigned long long tmdSize = getFileSizePath(path);
if (tmdSize > 520)
unlaunchFound = true;
//check if launcher patches are enabled
const static u32 tidValues[][2] = {
// {location, value}
{0xE439, 0x382E3176}, // 1.8
{0xB07C, 0x17484E41}, // 1.9
{0xB099, 0x17484E41}, // 2.0 (Normal)
{0xB079, 0x484E1841}, // 2.0 (Patched)
};
FILE *tmd = fopen(path, "rb");
if (tmd)
sprintf(launcherTmdPath, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
unsigned long long tmdSize = getFileSizePath(launcherTmdPath);
if(tmdSize != 520)
{
for (int i = 0; i < sizeof(tidValues) / sizeof(tidValues[0]); i++)
{
if (fseek(file, tidValues[i][0], SEEK_SET) == 0)
{
u32 tidVal;
fread(&tidVal, sizeof(u32), 1, file);
if (tidVal == tidValues[i][1])
{
unlaunchPatches = true;
break;
}
}
}
hasTitleTmdMatchingLauncher = false;
}
else if (tmdSize > 520)
{
unlaunchFound = true;
unlaunchPatches = checkIfUnlaunchHasPatches(launcherTmdPath);
}
}
if (!unlaunchFound)
{
unsigned long long tmdSize = getFileSizePath("nand:/title/00030017/484e4141/content/title.tmd");
if (tmdSize > 520)
{
unlaunchFound = true;
unlaunchPatches = checkIfUnlaunchHasPatches("nand:/title/00030017/484e4141/content/title.tmd");
}
}
@ -236,6 +281,146 @@ int main(int argc, char **argv)
installMenu();
break;
case MAIN_MENU_SAFE_UNLAUNCH_INSTALL:
if (unlaunchInstallerFound && (choiceBox("Install unlaunch?") == YES)
&& (hasTitleTmdMatchingLauncher || (choiceBox("There doesn't seem to be a launcher.tmd\nfile matcing the hwinfo file\nKeep installing?") == YES))
&& nandio_unlock_writing())
{
FILE* unlaunchInstaller = fopen("sd:/unlaunch.dsi", "rb");
if (!unlaunchInstaller)
{
messageBox("\x1B[31mError:\x1B[33m Failed to open unlaunch installer\n");
nandio_lock_writing();
break;
}
//Create HNAA launcher folder
if (!safeCreateDir("nand:/title/00030017")
|| !safeCreateDir("nand:/title/00030017/484e4141")
|| !safeCreateDir("nand:/title/00030017/484e4141/content")) {
nandio_lock_writing();
break;
}
FILE* targetTmd = fopen("nand:/title/00030017/484e4141/content/title.tmd", "wb");
if (!targetTmd)
{
fclose(unlaunchInstaller);
messageBox("\x1B[31mError:\x1B[33m Failed to open target unlaunch tmd\n");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
break;
}
{
char buffer[512] = {0};
//write the first 512 bytes as 0, as that's the size of a tmd, but it can be whatever
if (fwrite(buffer, sizeof(char), 512, targetTmd) != 512)
{
fclose(unlaunchInstaller);
fclose(targetTmd);
messageBox("\x1B[31mError:\x1B[33m Failed write to target unlaunch tmd\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
break;
}
size_t n;
bool failed = false;
while ((n = fread(buffer, sizeof(char), sizeof(buffer), unlaunchInstaller)) > 0)
{
if (fwrite(buffer, sizeof(char), n, targetTmd) != n)
{
fclose(unlaunchInstaller);
fclose(targetTmd);
messageBox("\x1B[31mError:\x1B[33m Failed write to target unlaunch tmd\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
failed = true;
break;
}
}
if (failed)
break;
if (!feof(unlaunchInstaller) || ferror(unlaunchInstaller))
{
fclose(unlaunchInstaller);
fclose(targetTmd);
messageBox("\x1B[31mError:\x1B[33m Failed read unlaunch installer\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
break;
}
}
fclose(unlaunchInstaller);
fclose(targetTmd);
//Mark the tmd as readonly
int fatAttributes = FAT_getAttr("nand:/title/00030017/484e4141/content/title.tmd");
if(!FAT_setAttr("nand:/title/00030017/484e4141/content/title.tmd", fatAttributes | ATTR_READONLY) != 0)
{
messageBox("\x1B[31mError:\x1B[33m Failed to mark unlaunch's title.tmd as read only\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
break;
}
//Finally patch the default launcher tmd to be invalid
//If there isn't a title.tmd matching the language region in the hwinfo
// nothing else has to be done, could be a language patch, or a dev system, the user will know what they have done
if (hasTitleTmdMatchingLauncher)
{
FILE* launcherTmd = fopen(launcherTmdPath, "rb");
if(!launcherTmd)
{
messageBox("\x1B[31mError:\x1B[33m Failed to open default launcher's title.tmd\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
break;
}
FILE * f = fopen("title.tmd", "r+b");
// Patches the title.tmd's title id from HNXX to GNXX
fseek(launcherTmd, 0x190, SEEK_SET);
char c;
fread(&c, 1, 1, launcherTmd);
//if byte is not already
if(c == 0x48)
{
fseek(launcherTmd, -1, SEEK_CUR);
c = 0x47;
fwrite(&launcherTmd, 1, 1, f);
}
else if(c != 0x47)
{
messageBox("\x1B[31mError:\x1B[33m Default launcher's title.tmd was tamprered with, aborting\n");
remove("nand:/title/00030017/484e4141/content/title.tmd");
rmdir("nand:/title/00030017/484e4141/content");
rmdir("nand:/title/00030017/484e4141");
nandio_lock_writing();
fclose(launcherTmd);
break;
}
fclose(launcherTmd);
}
nandio_lock_writing();
unlaunchFound = true;
messageBox("Unlaunch has been installed.\n");
}
break;
case MAIN_MENU_TITLES:
titleMenu();
break;