From c14a2c8548885b806efae6ae733827a057148761 Mon Sep 17 00:00:00 2001
From: Pk11 <epicpkmn11@outlook.com>
Date: Sat, 15 Jan 2022 03:26:05 -0600
Subject: [PATCH] Don't install system titles without Unlaunch

---
 arm9/src/install.c | 11 +++++++++++
 arm9/src/main.c    |  2 +-
 arm9/src/main.h    |  1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/arm9/src/install.c b/arm9/src/install.c
index 4c76e44..021f8eb 100644
--- a/arm9/src/install.c
+++ b/arm9/src/install.c
@@ -397,6 +397,17 @@ bool install(char* fpath, bool systemTitle)
 			goto error;
 		}
 
+		//no system titles without Unlaunch
+		if (!unlaunchFound && h->tid_high != 0x00030004)
+		{
+			iprintf("\x1B[31m");	//red
+			iprintf("Error: ");
+			iprintf("\x1B[33m");	//yellow
+			iprintf("This title cannot be\ninstalled without Unlaunch.\n");
+			iprintf("\x1B[47m");	//white
+			goto error;
+		}
+
 		//blacklisted titles
 		{
 			//tid without region
diff --git a/arm9/src/main.c b/arm9/src/main.c
index 6ec8c1d..69b138e 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -8,6 +8,7 @@
 
 bool programEnd = false;
 bool sdnandMode = true;
+bool unlaunchFound = false;
 bool arm7Exiting = false;
 bool charging = false;
 u8 batteryLevel = 0;
@@ -143,7 +144,6 @@ int main(int argc, char **argv)
 
 	//check for unlaunch
 	{
-		bool unlaunchFound = false;
 		FILE *file = fopen("nand:/sys/HWINFO_S.dat", "rb");
 		if (file)
 		{
diff --git a/arm9/src/main.h b/arm9/src/main.h
index 539a22d..739961f 100644
--- a/arm9/src/main.h
+++ b/arm9/src/main.h
@@ -7,6 +7,7 @@
 
 extern bool programEnd;
 extern bool sdnandMode;
+extern bool unlaunchFound;
 extern bool charging;
 extern u8 batteryLevel;