edo9300/unlaunch-installer
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Prevent the installer from installing on 1.4.2

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This commit is contained in:
Edoardo Lolletti 2024-05-02 01:31:38 +02:00
parent e198ed3148
commit 8b19184921
2 changed files with 74 additions and 19 deletions
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4
README.md
View File

@ -20,6 +20,10 @@ load a separate unlaunch installer from the root of the sd card, named
Supported unlaunch versions are 1.8, 1.9 and 2.0, since earlier ones don't work
if installed with this new method.
Due to some unforunate version differences, the install method used by this
application won't be usable on consoles with firmware 1.4.2 (1.4.3 for china).
So installing on consoles that ship that version will be prevented
## Differences with official installer
The Nintendo DSi's stage2 has a failsafe where it will load a backup launcher
(HNAA) if it can't find the real one (eg. missing, corrupted), even on retail

89
arm9/src/main.c
View File

@ -25,6 +25,7 @@ volatile bool charging = false;
volatile u8 batteryLevel = 0;
static bool advancedOptionsUnlocked = false;
static bool needsNocashFooterToBeWritten = false;
static bool isLauncherVersionSupported = true;
static NocashFooter computedNocashFooter;
PrintConsole topScreen;
@ -36,9 +37,9 @@ enum {
MAIN_MENU_SOUND_SPLASH_PATCHES,
MAIN_MENU_SAFE_UNLAUNCH_INSTALL,
MAIN_MENU_EXIT,
MAIN_MENU_TID_PATCHES,
MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP,
MAIN_MENU_WRITE_NOCASH_FOOTER_ONLY,
MAIN_MENU_TID_PATCHES,
};
static void setupScreens()
@ -92,16 +93,20 @@ static int mainMenu(int cursor)
{
strcpy(installUnlaunchStr, "Install unlaunch");
}
addMenuItem(m, "Uninstall unlaunch", NULL, unlaunchFound, false);
addMenuItem(m, "Custom background", NULL, foundUnlaunchInstallerVersion != INVALID, true);
addMenuItem(m, soundPatchesStr, NULL, foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL, false);
addMenuItem(m, installUnlaunchStr, NULL, foundUnlaunchInstallerVersion != INVALID && !unlaunchFound, false);
addMenuItem(m, "Uninstall unlaunch", NULL, unlaunchFound && isLauncherVersionSupported, false);
addMenuItem(m, "Custom background", NULL, foundUnlaunchInstallerVersion != INVALID && isLauncherVersionSupported, true);
addMenuItem(m, soundPatchesStr, NULL, foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL && isLauncherVersionSupported, false);
addMenuItem(m, installUnlaunchStr, NULL, foundUnlaunchInstallerVersion != INVALID && !unlaunchFound && isLauncherVersionSupported, false);
addMenuItem(m, "Exit", NULL, true, false);
if(advancedOptionsUnlocked)
if(!isLauncherVersionSupported)
{
addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
}
else if(advancedOptionsUnlocked)
{
addMenuItem(m, tidPatchesStr, NULL, foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0, false);
addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
}
m->cursor = cursor;
@ -143,9 +148,13 @@ static int mainMenu(int cursor)
if (konamiCode == 5)
{
advancedOptionsUnlocked = true;
addMenuItem(m, tidPatchesStr, NULL, foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0, false);
addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
// Enabled by default when unsupported
if(isLauncherVersionSupported)
{
addMenuItem(m, "Uninstall unlaunch no backup", NULL, unlaunchFound, false);
}
addMenuItem(m, "Write nocash footer", NULL, needsNocashFooterToBeWritten, false);
addMenuItem(m, tidPatchesStr, NULL, (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0) && isLauncherVersionSupported, false);
}
}
@ -278,19 +287,45 @@ int main(int argc, char **argv)
region = launcherTid & 0xFF;
sprintf(retailLauncherTmdPath, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
unsigned long long tmdSize = getFileSizePath(retailLauncherTmdPath);
if (tmdSize > 520)
FILE* tmd = fopen(retailLauncherTmdPath, "rb");
unsigned long long tmdSize = getFileSize(tmd);
if(!tmd || tmdSize < 520)
{
unlaunchFound = true;
}
else if(tmdSize != 520)
{
//if size isn't 520 then the tmd either is not present (size 0), or is already invalid, thus no need to patch
//if size isn't 520 then the tmd either is not present, or is already invalid, thus no need to patch
retailLauncherTmdPresentAndToBePatched = false;
}
else
{
mainTmdIsPatched = isLauncherTmdPatched(retailLauncherTmdPath);
unsigned long long tmdSize = getFileSize(tmd);
if (tmdSize > 520)
{
unlaunchFound = true;
}
else
{
mainTmdIsPatched = isLauncherTmdPatched(retailLauncherTmdPath);
}
fseek(tmd, 0x1E4, SEEK_SET);
unsigned int contentId;
fread(&contentId, sizeof(contentId), 1, tmd);
// Launcher v4, build v1024 (shipped with firmware 1.4.2 (not sure about J, and 1.4.3 for china)
// will fail to launch if another tmd withouth appropriate application, or an invalid
// tmd (in our case the one installed from unlaunch) is found in the HNAA launcher folder
// there's really no workaround to that, so that specific version is blacklisted and only uninstalling
// an "officially" installed unlaunch without leaving any backup behind will be allowed
if(contentId == 0x04000000)
{
isLauncherVersionSupported = false;
messageBox("\x1B[41mWARNING:\x1B[47m This system version\n"
"doesn't support this install\n"
"method, only uninstalling\n"
"unaunch without backups will\n"
"be possible");
}
}
if(tmd)
{
fclose(tmd);
}
// HWINFO_S may not always exist (PRE_IMPORT). Fill in defaults if that happens.
}
@ -325,7 +360,8 @@ int main(int argc, char **argv)
{
case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL:
case MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP:
if(!unlaunchFound)
bool unsafeUninstall = advancedOptionsUnlocked && cursor == MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP;
if(!unlaunchFound || (!isLauncherVersionSupported && !unsafeUninstall))
{
break;
}
@ -333,7 +369,6 @@ int main(int argc, char **argv)
{
break;
}
bool unsafeUninstall = advancedOptionsUnlocked && cursor == MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL_NO_BACKUP;
printf("Uninstalling");
if(needsNocashFooterToBeWritten)
{
@ -361,6 +396,10 @@ int main(int argc, char **argv)
break;
case MAIN_MENU_CUSTOM_BG:
if(!isLauncherVersionSupported)
{
break;
}
if(foundUnlaunchInstallerVersion == INVALID)
{
break;
@ -381,18 +420,30 @@ int main(int argc, char **argv)
break;
case MAIN_MENU_TID_PATCHES:
if(!isLauncherVersionSupported)
{
break;
}
if(advancedOptionsUnlocked && (foundUnlaunchInstallerVersion == v1_9 || foundUnlaunchInstallerVersion == v2_0)) {
disableAllPatches = !disableAllPatches;
}
break;
case MAIN_MENU_SOUND_SPLASH_PATCHES:
if(!isLauncherVersionSupported)
{
break;
}
if(foundUnlaunchInstallerVersion == v2_0 && !disableAllPatches && splashSoundBinaryPatchPath != NULL) {
enableSoundAndSplash = !enableSoundAndSplash;
}
break;
case MAIN_MENU_SAFE_UNLAUNCH_INSTALL:
if(!isLauncherVersionSupported)
{
break;
}
if(unlaunchFound || foundUnlaunchInstallerVersion == INVALID)
{
break;