TADs now install!

Makefile

@@ -13,11 +13,11 @@ export TOPDIR	:=	$(CURDIR)
 NITRO_FILES	:=
 
 # These set the information text in the nds file
-GAME_TITLE		:=	NAND Title Manager
+GAME_TITLE		:=	TAD Delivery Tool
-GAME_SUBTITLE1	:=	JeffRuLz, Pk11
+GAME_SUBTITLE1	:=	JeffRuLz, Pk11, rmc
 
-GAME_CODE		:= HTNA
+GAME_CODE		:= 4TDA
-GAME_LABEL		:= NANDTM_TAD
+GAME_LABEL		:= TAD_DELIVERY
 
 include $(DEVKITARM)/ds_rules
 

arm9/src/backupmenu.c

@@ -157,12 +157,7 @@ static void generateList(Menu* m)
 			}
 			else
 			{
-				if (strcasecmp(strrchr(ent->d_name, '.'), ".nds") == 0 ||
+				if (strcasecmp(strrchr(ent->d_name, '.'), ".tad") == 0) 
-					strcasecmp(strrchr(ent->d_name, '.'), ".app") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".dsi") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".ids") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".srl") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".cia") == 0)
 				{
 					if (count < m->page * ITEMS_PER_PAGE)
 						count += 1;

arm9/src/install.c

@@ -352,7 +352,7 @@ static void _createTicket(tDSiHeader *h, char* ticketPath)
 	}
 }
 
-bool install(char* fpath, bool systemTitle)
+bool install(char* tadPath, bool systemTitle)
 {
 	bool result = false;
 
@@ -365,6 +365,7 @@ bool install(char* fpath, bool systemTitle)
 
 	//start installation
 	clearScreen(&bottomScreen);
+	char* fpath = decryptTad(tadPath);
 
 	tDSiHeader* h = getRomHeader(fpath);
 
@@ -694,13 +695,7 @@ bool install(char* fpath, bool systemTitle)
 				{
 					int result = 0;
 
-					if (romIsCia(fpath)) {
+					result = copyFile(fpath, appPath);
-						result = copyFilePart(fpath, 0x3900, fileSize, appPath);
-					} else if (romIsTad(fpath)) {
-						result = decryptTad(fpath);
-					} else {
-						result = copyFile(fpath, appPath);
-					}
 
 					if (result != 0)
 					{

arm9/src/installmenu.c

@@ -186,13 +186,7 @@ static void generateList(Menu* m)
 			}
 			else
 			{
-				if (strcasecmp(strrchr(ent->d_name, '.'), ".nds") == 0 ||
+				if (strcasecmp(strrchr(ent->d_name, '.'), ".tad") == 0)
-					strcasecmp(strrchr(ent->d_name, '.'), ".app") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".dsi") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".ids") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".srl") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".tad") == 0 ||
-					strcasecmp(strrchr(ent->d_name, '.'), ".cia") == 0)
 				{
 					if (count < m->page * ITEMS_PER_PAGE)
 						count += 1;
@@ -238,7 +232,7 @@ static void printItem(Menu* m)
 	if (m->items[m->cursor].directory)
 		clearScreen(&topScreen);
 	else
-		printRomInfo(m->items[m->cursor].value);
+		printTadInfo(m->items[m->cursor].value);
 }
 
 static int subMenu()

arm9/src/main.c

@@ -11,8 +11,6 @@ bool programEnd = false;
 bool sdnandMode = true;
 bool unlaunchFound = false;
 bool unlaunchPatches = false;
-bool devkpFound = false;
-bool launcherDSiFound = false;
 bool arm7Exiting = false;
 bool charging = false;
 u8 batteryLevel = 0;
@@ -57,32 +55,30 @@ static int _mainMenu(int cursor)
 	//top screen
 	clearScreen(&topScreen);
 
-	iprintf("\t\tNAND Title Manager\n");
+	iprintf("\t\tTAD Delivery Tool\n");
 	iprintf("\t\t\tmodified from\n");
 	iprintf("\tTitle Manager for HiyaCFW\n");
+	iprintf("\tand Nand Title Manager\n");
 	iprintf("\nversion %s\n", VERSION);
 	iprintf("\n\n\x1B[41mWARNING:\x1B[47m This tool can write to\nyour internal NAND!\n\nThis always has a risk, albeit\nlow, of \x1B[41mbricking\x1B[47m your system\nand should be done with caution!\n");
 	iprintf("\n\t  \x1B[46mhttps://dsi.cfw.guide\x1B[47m\n");
-	iprintf("\n\n \x1B[46mgithub.com/Epicpkmn11/NTM/wiki\x1B[47m\n");
+	iprintf("\n\n \x1B[46mgithub.com/rvtr/TDT\x1B[47m\n");
 	iprintf("\x1b[22;0HJeff - 2018-2019");
 	iprintf("\x1b[23;0HPk11 - 2022-2023");
+	iprintf("\x1b[24;0Hrmc  - 2024-2024");
 
 	//menu
 	Menu* m = newMenu();
 	setMenuHeader(m, "MAIN MENU");
 
-	char modeStr[32], datamanStr[32], launcherStr[32];
+	char modeStr[32];
 	sprintf(modeStr, "Mode: %s", sdnandMode ? "SDNAND" : "\x1B[41mSysNAND\x1B[47m");
-	sprintf(datamanStr, "\x1B[%02omEnable Data Management", devkpFound ? 037 : 047);
-	sprintf(launcherStr, "\x1B[%02omUninstall region mod", launcherDSiFound ? 047 : 037);
 	addMenuItem(m, modeStr, NULL, 0);
 	addMenuItem(m, "Install", NULL, 0);
 	addMenuItem(m, "Titles", NULL, 0);
-	addMenuItem(m, "Restore", NULL, 0);
+	//addMenuItem(m, "Restore", NULL, 0);
 	addMenuItem(m, "Test", NULL, 0);
 	addMenuItem(m, "Fix FAT copy mismatch", NULL, 0);
-	addMenuItem(m, datamanStr, NULL, 0);
-	addMenuItem(m, launcherStr, NULL, 0);
 	addMenuItem(m, "\x1B[47mExit", NULL, 0);
 
 	m->cursor = cursor;
@@ -207,19 +203,13 @@ int main(int argc, char **argv)
 		}
 		else if (!unlaunchPatches)
 		{
-			messageBox("Unlaunch's Launcher Patches are\nnot enabled. You will need to\nprovide TMD files or reinstall.\n\n\x1B[46mhttps://dsi.cfw.guide/\x1B[47m");
+			messageBox("Unlaunch's Launcher Patches are\nnot enabled. You will need these\nif you patch any TADs.\n\n\x1B[46mhttps://dsi.cfw.guide/\x1B[47m");
 		}
 	}
 
-	//check for dev.kp (Data Management visible)
-	devkpFound = (access("sd:/sys/dev.kp", F_OK) == 0);
-
-	//check for launcher.dsi (Language patcher)
-	launcherDSiFound = (access("nand:/launcher.dsi", F_OK) == 0);
-
 	messageBox("\x1B[41mWARNING:\x1B[47m This tool can write to\nyour internal NAND!\n\nThis always has a risk, albeit\nlow, of \x1B[41mbricking\x1B[47m your system\nand should be done with caution!\n\nIf you have not yet done so,\nyou should make a NAND backup.");
 
-	messageBox("If you are following a video\nguide, please stop.\n\nVideo guides for console moddingare often outdated or straight\nup incorrect to begin with.\n\nThe recommended guide for\nmodding your DSi is:\n\n\x1B[46mhttps://dsi.cfw.guide/\x1B[47m\n\nFor more information on using\nNTM, see the official wiki:\n\n\x1B[46mhttps://github.com/Epicpkmn11/\n\t\t\t\t\t\t\t\tNTM/wiki\x1B[47m");
+	messageBox("If you are following a video\nguide, please stop.\n\nVideo guides for console moddingare often outdated or straight\nup incorrect to begin with.\n\nThe recommended guide for\nmodding your DSi is:\n\n\x1B[46mhttps://dsi.cfw.guide/\x1B[47m\n\nFor more information on using\nTDT, see the official repo:\n\n\x1B[46mhttps://github.com/rvtr/TDT\x1B[47m");
 	//main menu
 	int cursor = 0;
 
@@ -231,7 +221,6 @@ int main(int argc, char **argv)
 		{
 			case MAIN_MENU_MODE:
 				sdnandMode = !sdnandMode;
-				devkpFound = (access(sdnandMode ? "sd:/sys/dev.kp" : "nand:/sys/dev.kp", F_OK) == 0);
 				break;
 
 			case MAIN_MENU_INSTALL:
@@ -241,11 +230,11 @@ int main(int argc, char **argv)
 			case MAIN_MENU_TITLES:
 				titleMenu();
 				break;
-
+			/*
 			case MAIN_MENU_BACKUP:
 				backupMenu();
 				break;
-
+			*/
 			case MAIN_MENU_TEST:
 				testMenu();
 				break;
@@ -259,35 +248,6 @@ int main(int argc, char **argv)
 				}
 				break;
 
-			case MAIN_MENU_DATA_MANAGEMENT:
-				if (!devkpFound && (choiceBox("Make Data Management visible\nin System Settings?") == YES) && (sdnandMode || nandio_unlock_writing()))
-				{
-					//ensure sys folder exists
-					if(access(sdnandMode ? "sd:/sys" : "nand:/sys", F_OK) != 0)
-						mkdir(sdnandMode ? "sd:/sys" : "nand:/sys", 0777);
-
-					//create empty file
-					FILE *file = fopen(sdnandMode ? "sd:/sys/dev.kp" : "nand:/sys/dev.kp", "wb");
-					fclose(file);
-
-					if(!sdnandMode)
-						nandio_lock_writing();
-					devkpFound = (access(sdnandMode ? "sd:/sys/dev.kp" : "nand:/sys/dev.kp", F_OK) == 0);
-					messageBox("Data Management is now visible\nin System Settings.\n");
-				}
-				break;
-			case MAIN_MENU_LANGUAGE_PATCHER:
-				if (launcherDSiFound && (choiceBox("Uninstall the language patched\nDSi Menu? (launcher.dsi)") == YES) && nandio_unlock_writing())
-				{
-					//delete launcher.dsi
-					remove("nand:/launcher.dsi");
-
-					nandio_lock_writing();
-					launcherDSiFound = (access("nand:/launcher.dsi", F_OK) == 0);
-					messageBox("The language patched DSi Menu\nhas been removed.\n");
-				}
-				break;
-
 			case MAIN_MENU_EXIT:
 				programEnd = true;
 				break;

arm9/src/rom.c

@@ -1,6 +1,7 @@
 #include "rom.h"
 #include "main.h"
 #include "storage.h"
+#include "tad.h"
 #include <dirent.h>
 #include <nds.h>
 #include <malloc.h>
@@ -19,11 +20,7 @@ tDSiHeader* getRomHeader(char const* fpath)
 
 		if (h)
 		{
-			if (romIsCia(fpath))
+			fseek(f, 0, SEEK_SET);
-				fseek(f, 0x3900, SEEK_SET);
-			else
-				fseek(f, 0, SEEK_SET);
-
 			fread(h, sizeof(tDSiHeader), 1, f);
 		}
 
@@ -50,11 +47,7 @@ tNDSBanner* getRomBanner(char const* fpath)
 
 			if (b)
 			{
-				if (romIsCia(fpath))
+				fseek(f, 0, SEEK_SET);
-					fseek(f, 0x3900, SEEK_SET);
-				else
-					fseek(f, 0, SEEK_SET);
-
 				fseek(f, h->ndshdr.bannerOffset, SEEK_CUR);
 				fread(b, sizeof(tNDSBanner), 1, f);
 			}
@@ -146,106 +139,99 @@ void printRomInfo(char const* fpath)
 	tDSiHeader* h = getRomHeader(fpath);
 	tNDSBanner* b = getRomBanner(fpath);
 
-	if (!isDsiHeader(h))
+	if (!b)
 	{
-		iprintf("Could not read dsi header.\n");
+			iprintf("Could not read banner.\n");
 	}
 	else
 	{
-		if (!b)
+		//proper title
 		{
-			iprintf("Could not read banner.\n");
+			char gameTitle[128+1];
+			getGameTitle(b, gameTitle, true);
+
+			iprintf("%s\n\n", gameTitle);
 		}
-		else
+
+		//file size
 		{
-			//proper title
+			iprintf("Size: ");
-			{
+			unsigned long long romSize = getRomSize(fpath);
-				char gameTitle[128+1];
+			printBytes(romSize);
-				getGameTitle(b, gameTitle, true);
+			//size in blocks, rounded up
-
+			iprintf(" (%lld blocks)\n", ((romSize / BYTES_PER_BLOCK) * BYTES_PER_BLOCK + BYTES_PER_BLOCK) / BYTES_PER_BLOCK);
-				iprintf("%s\n\n", gameTitle);
-			}
-
-			//file size
-			{
-				iprintf("Size: ");
-				unsigned long long romSize = getRomSize(fpath);
-				printBytes(romSize);
-				//size in blocks, rounded up
-				iprintf(" (%lld blocks)\n", ((romSize / BYTES_PER_BLOCK) * BYTES_PER_BLOCK + BYTES_PER_BLOCK) / BYTES_PER_BLOCK);
-			}
-
-			iprintf("Label: %.12s\n", h->ndshdr.gameTitle);
-			iprintf("Game Code: %.4s\n", h->ndshdr.gameCode);
-
-			//system type
-			{
-				iprintf("Unit Code: ");
-
-				switch (h->ndshdr.unitCode)
-				{
-					case 0:  iprintf("NDS");     break;
-					case 2:  iprintf("NDS+DSi"); break;
-					case 3:  iprintf("DSi");     break;
-					default: iprintf("unknown");
-				}
-
-				iprintf("\n");
-			}
-
-			//application type
-			{
-				iprintf("Program Type: ");
-
-				switch (h->ndshdr.reserved1[7])
-				{
-					case 0x3: iprintf("Normal");    break;
-					case 0xB: iprintf("Sys");       break;
-					case 0xF: iprintf("Debug/Sys"); break;
-					default:  iprintf("unknown");
-				}
-
-				iprintf("\n");
-			}
-
-			//DSi title ids
-			{
-				if (h->tid_high == 0x00030004 ||
-					h->tid_high == 0x00030005 ||
-					h->tid_high == 0x00030011 || // TID for software in TWL SDK
-					h->tid_high == 0x00030015 ||
-					h->tid_high == 0x00030017 ||
-					h->tid_high == 0x00030000)
-				{
-					iprintf("Title ID: %08x %08x\n", (unsigned int)h->tid_high, (unsigned int)h->tid_low);
-				}
-			}
-
-			//print full file path
-			iprintf("\n%s\n", fpath);
-
-			//print extra files
-			int extensionPos = strrchr(fpath, '.') - fpath;
-			char temp[PATH_MAX];
-			strcpy(temp, fpath);
-			strcpy(temp + extensionPos, ".tmd");
-			//DSi TMDs are 520, TMDs from NUS are 2,312. If 2,312 we can simply trim it to 520
-			int tmdSize = getFileSizePath(temp);
-			if (access(temp, F_OK) == 0)
-				printf("\t\x1B[%om%s\n\x1B[47m", (tmdSize == 520 || tmdSize == 2312) ? 047 : 041, strrchr(temp, '/') + 1);
-
-			strcpy(temp + extensionPos, ".pub");
-			if (access(temp, F_OK) == 0)
-				printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == h->public_sav_size) ? 047 : 041, strrchr(temp, '/') + 1);
-
-			strcpy(temp + extensionPos, ".prv");
-			if (access(temp, F_OK) == 0)
-				printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == h->private_sav_size) ? 047 : 041, strrchr(temp, '/') + 1);
-
-			strcpy(temp + extensionPos, ".bnr");
-			if (access(temp, F_OK) == 0)
-				printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == 0x4000) ? 047 : 041, strrchr(temp, '/') + 1);
 		}
+
+		iprintf("Label: %.12s\n", h->ndshdr.gameTitle);
+		iprintf("Game Code: %.4s\n", h->ndshdr.gameCode);
+
+		//system type
+		{
+			iprintf("Unit Code: ");
+
+			switch (h->ndshdr.unitCode)
+			{
+				case 0:  iprintf("NDS");     break;
+				case 2:  iprintf("NDS+DSi"); break;
+				case 3:  iprintf("DSi");     break;
+				default: iprintf("unknown");
+			}
+
+			iprintf("\n");
+		}
+
+		//application type
+		{
+			iprintf("Program Type: ");
+
+			switch (h->ndshdr.reserved1[7])
+			{
+				case 0x3: iprintf("Normal");    break;
+				case 0xB: iprintf("Sys");       break;
+				case 0xF: iprintf("Debug/Sys"); break;
+				default:  iprintf("unknown");
+			}
+
+			iprintf("\n");
+		}
+
+		//DSi title ids
+		{
+			if (h->tid_high == 0x00030004 ||
+				h->tid_high == 0x00030005 ||
+				h->tid_high == 0x00030011 || // TID for software in TWL SDK
+				h->tid_high == 0x00030015 ||
+				h->tid_high == 0x00030017 ||
+				h->tid_high == 0x00030000)
+			{
+				iprintf("Title ID: %08x %08x\n", (unsigned int)h->tid_high, (unsigned int)h->tid_low);
+			}
+		}
+
+		//print full file path
+		iprintf("\n%s\n", fpath);
+
+		//print extra files
+		int extensionPos = strrchr(fpath, '.') - fpath;
+		char temp[PATH_MAX];
+		strcpy(temp, fpath);
+		strcpy(temp + extensionPos, ".tmd");
+		//DSi TMDs are 520, TMDs from NUS are 2,312. If 2,312 we can simply trim it to 520
+		int tmdSize = getFileSizePath(temp);
+		if (access(temp, F_OK) == 0)
+			printf("\t\x1B[%om%s\n\x1B[47m", (tmdSize == 520 || tmdSize == 2312) ? 047 : 041, strrchr(temp, '/') + 1);
+
+		strcpy(temp + extensionPos, ".pub");
+		if (access(temp, F_OK) == 0)
+			printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == h->public_sav_size) ? 047 : 041, strrchr(temp, '/') + 1);
+
+		strcpy(temp + extensionPos, ".prv");
+		if (access(temp, F_OK) == 0)
+			printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == h->private_sav_size) ? 047 : 041, strrchr(temp, '/') + 1);
+
+		strcpy(temp + extensionPos, ".bnr");
+		if (access(temp, F_OK) == 0)
+			printf("\t\x1B[%om%s\n\x1B[47m", (getFileSizePath(temp) == 0x4000) ? 047 : 041, strrchr(temp, '/') + 1);
 	}
 
 	free(b);
@@ -261,42 +247,10 @@ unsigned long long getRomSize(char const* fpath)
 
 	if (f)
 	{
-		//cia
+		fseek(f, 0, SEEK_END);
-		if (romIsCia(fpath))
+		size = ftell(f);
-		{
-			unsigned char bytes[4] = { 0 };
-			fseek(f, 0x38D0, SEEK_SET);
-			fread(bytes, 4, 1, f);
-			size = (bytes[0] << 24) | (bytes[1] << 16) | (bytes[2] << 8) | bytes[3];
-		}
-		else
-		{
-			fseek(f, 0, SEEK_END);
-			size = ftell(f);
-		}
 	}
 
 	fclose(f);
 	return size;
-}
-
-bool romIsCia(char const* fpath)
-{
-	if (!fpath) return false;
-	return (strstr(fpath, ".cia") != NULL || strstr(fpath, ".CIA") != NULL);
-}
-
-bool romIsTad(char const* fpath)
-{
-	if (!fpath) return false;
-	return (strstr(fpath, ".tad") != NULL || strstr(fpath, ".TAD") != NULL);
-}
-
-bool isDsiHeader(tDSiHeader* h)
-{
-	if (!h) return false;
-
-	u16 crc16 = swiCRC16(0xFFFF, h, 0x15E);
-
-	return h->ndshdr.headerCRC16 == crc16;
 }

arm9/src/rom.h

@@ -17,7 +17,6 @@ void printRomInfo(char const* fpath);
 
 unsigned long long getRomSize(char const* fpath);
 
-bool romIsCia(char const* fpath);
+bool romIsSrl(char const* fpath);
-bool isDsiHeader(tDSiHeader* h);
 
 #endif

arm9/src/storage.c

@@ -440,6 +440,7 @@ int getMenuSlotsFree()
 	const char* dirs[] = {
 		"00030004",
 		"00030005",
+		"0003000f",
 		"00030015",
 		"00030017"
 	};

arm9/src/tad.c

@@ -7,6 +7,8 @@
 
 #include "tad.h"
 #include "storage.h"
+#include "rom.h"
+#include "main.h"
 #include "nand/twltool/dsi.h"
 #include <nds/ndstypes.h>
 #include <malloc.h>
@@ -41,6 +43,7 @@ const unsigned char debuggerKey[] = {
     0xA2, 0xFD, 0xDD, 0xF2 ,0xE4, 0x23, 0x57, 0x4A,
     0xE7, 0xED, 0x86, 0x57, 0xB5, 0xAB, 0x19, 0xD3
 };
+
 typedef struct {
     uint32_t hdrSize;
     uint16_t tadType;
@@ -174,7 +177,7 @@ int decryptTad(char const* src)
     iprintf("\n--------------------------------\nCopying output files:\n");
     // Sorry for copy pasting, I'll make this a routine later
     iprintf("  Copying TMD...\n"); 
-    FILE *tmdFile = fopen("sd:/_nds/tadtests/tmp/tmd.srl", "wb");
+    FILE *tmdFile = fopen("sd:/_nds/tadtests/tmp/temp.tmd", "wb");
     fseek(file, tad.tmdOffset, SEEK_SET);
     for (int i = 0; i < swap_endian_u32(header.tmdSize); i++) {
         char ch = fgetc(file);
@@ -183,7 +186,7 @@ int decryptTad(char const* src)
     fclose(tmdFile);
 
     iprintf("  Copying ticket...\n");
-    FILE *ticketFile = fopen("sd:/_nds/tadtests/tmp/ticket.srl", "wb");
+    FILE *ticketFile = fopen("sd:/_nds/tadtests/tmp/temp.tik", "wb");
     fseek(file, tad.ticketOffset, SEEK_SET);
     for (int i = 0; i < swap_endian_u32(header.ticketSize); i++) {
         char ch = fgetc(file);
@@ -192,7 +195,7 @@ int decryptTad(char const* src)
     fclose(ticketFile);
     
     iprintf("  Copying SRL...\n"); 
-    FILE *srlFile = fopen("sd:/_nds/tadtests/tmp/srl_enc.srl", "wb");
+    FILE *srlFile = fopen("sd:/_nds/tadtests/tmp/temp.srl.enc", "wb");
     fseek(file, tad.srlOffset, SEEK_SET);
     for (int i = 0; i < swap_endian_u32(header.srlSize); i++) {
         char ch = fgetc(file);
@@ -209,7 +212,7 @@ int decryptTad(char const* src)
 
     iprintf("Decrypting SRL:\n\n");
     iprintf("  Finding title key...\n");
-    FILE *ticket = fopen("sd:/_nds/tadtests/tmp/ticket.srl", "rb");
+    FILE *ticket = fopen("sd:/_nds/tadtests/tmp/temp.tik", "rb");
     unsigned char title_key_enc[16];
     fseek(ticket, 447, SEEK_SET);
     fread(title_key_enc, 1, 16, ticket);
@@ -251,19 +254,22 @@ int decryptTad(char const* src)
     iprintf("\n  Decrypting SRL chunks...\n");
     unsigned char srl_buffer_enc[16];
     unsigned char srl_buffer_dec[16];
+    // Should be fine as a hardcoded string. Content IV is based off of the content index. (index # with zerobyte padding) 
+    // All TADs I've only ever a single content. It might be a good idea to add something down the line in case a weird
+    // TAD pops up, but until then this should do.
     unsigned char content_iv[] = {
         0x00, 0x00, 0x00, 0x00 ,0x00, 0x00, 0x00, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
     };
-    FILE *srlFile_enc = fopen("sd:/_nds/tadtests/tmp/srl_enc.srl", "rb");
+    FILE *srlFile_enc = fopen("sd:/_nds/tadtests/tmp/temp.srl.enc", "rb");
     fseek(srlFile_enc, 0, SEEK_SET);
-    FILE *srlFile_dec = fopen("sd:/_nds/tadtests/tmp/tad.srl", "wb");
+    FILE *srlFile_dec = fopen("sd:/_nds/tadtests/tmp/temp.srl", "wb");
     fseek(srlFile_dec, 0, SEEK_SET);
 
     for (int i = 0; i < swap_endian_u32(header.srlSize);) {
         fread(srl_buffer_enc, 1, 16, srlFile_enc);
         /* ===== silly debug  ===== */
-        iprintf("%ld - %d / %ld", ftell(file), i, swap_endian_u32(header.srlSize));
+        iprintf("%ld - %d / %ld\n", ftell(file), i, swap_endian_u32(header.srlSize));
         /* ===== end of debug ===== */
 
         decrypt_cbc(title_key_dec, content_iv, srl_buffer_enc, 16, 16, srl_buffer_dec);
@@ -272,9 +278,75 @@ int decryptTad(char const* src)
     }
     fclose(srlFile_enc);
     fclose(srlFile_dec);
-    iprintf("\nDone everything!");
+    iprintf("\nReady to install!");
+    return "sd:/_nds/tadtests/tmp/temp.srl";
+}
 
-	//return copyFilePart(src, 0, size, dst);
+void printTadInfo(char const* fpath)
-	return 0; 
+{
+    clearScreen(&topScreen);
+    if (!fpath) return;
+
+
+    uint32_t srlCompany;
+    uint32_t srlTidLow;
+    uint32_t srlTidHigh;
+    unsigned char srlVerLow = 0x00;
+    unsigned char srlVerHigh = 0x00;
+
+    FILE *file = fopen(fpath, "rb");
+    Header header;
+    fread(&header, sizeof(Header), 1, file);
+    iprintf("Parsing TAD header:\n");
+    Tad tad;
+    tad.hdrOffset = 0;
+    // All offsets in the TAD are aligned to 64 bytes.
+    tad.certOffset = round_up(swap_endian_u32(header.hdrSize), 64);
+    tad.crlOffset = round_up(tad.certOffset + swap_endian_u32(header.certSize), 64);
+    tad.ticketOffset = round_up(tad.crlOffset + swap_endian_u32(header.crlSize), 64);
+    tad.tmdOffset = round_up(tad.ticketOffset + swap_endian_u32(header.ticketSize), 64);
+    tad.srlOffset = round_up(tad.tmdOffset + swap_endian_u32(header.tmdSize), 64);
+    tad.metaOffset = round_up(tad.srlOffset + swap_endian_u32(header.srlSize), 64);
+    // Get info from TMD.
+    fseek(file, swap_endian_u32(tad.tmdOffset)+396, SEEK_SET);
+    fread(srlTidHigh, 1, 4, file);
+    fread(srlTidLow, 1, 4, file);
+    fseek(file, swap_endian_u32(tad.tmdOffset)+408, SEEK_SET);
+    fread(srlCompany, 1, 4, file);
+    fseek(file, swap_endian_u32(tad.tmdOffset)+476, SEEK_SET);
+    fread(srlVerHigh, 1, 1, file);
+    fread(srlVerLow, 1, 1, file);
+
+    iprintf("  tadVersion:   %u\n", swap_endian_u16(header.tadVersion));
+    iprintf("  certSize:     %lu\n", swap_endian_u32(header.certSize));
+    iprintf("  certOffset:   %lu\n", tad.certOffset);
+    iprintf("  crlSize:      %lu\n", swap_endian_u32(header.crlSize));
+    iprintf("  crlOffset:    %lu\n", tad.crlOffset);
+    iprintf("  ticketSize:   %lu\n", swap_endian_u32(header.ticketSize));
+    iprintf("  ticketOffset: %lu\n", tad.ticketOffset);
+    iprintf("  tmdSize:      %lu\n", swap_endian_u32(header.tmdSize));
+    iprintf("  tmdOffset:    %lu\n", tad.tmdOffset);
+    iprintf("  srlSize:      %lu\n", swap_endian_u32(header.srlSize));
+    iprintf("  srlOffset:    %lu\n", tad.srlOffset);
+    iprintf("  metaSize:     %lu\n", swap_endian_u32(header.metaSize));
+    iprintf("  metaOffset:   %lu\n", tad.metaOffset);
+
+    //proper title
+    // TODO! Might not be possible though :((
+
+    //size in blocks, rounded up
+    iprintf("Size: (%ld blocks)\n", ((swap_endian_u32(header.srlSize) / BYTES_PER_BLOCK) * BYTES_PER_BLOCK + BYTES_PER_BLOCK) / BYTES_PER_BLOCK);
+
+    iprintf("Game Code: %c\n", (char)srlTidLow);
+
+    iprintf("Game Version: %u.%u (NUS: v%u)\n", srlVerHigh * 256, srlVerLow, (srlVerHigh * 256) + srlVerLow);
+
+    iprintf("Company Code: %c (%lu)\n", (char)srlCompany, srlCompany);
+
+    // Print program type based on TID high?
+    iprintf("Title ID: %08lx %08lx", srlTidHigh, srlTidLow);
+
+    //print full file path
+    iprintf("\n%s\n", fpath);
 
 }

arm9/src/titlemenu.c

@@ -92,6 +92,7 @@ static void generateList(Menu* m)
 	const char* dirs[] = {
 		"00030004",
 		"00030005",
+		//"0003000f",
 		"00030015",
 		"00030017"
 	};
@@ -100,17 +101,12 @@ static void generateList(Menu* m)
 		{ // 00030004
 			NULL //nothing blacklisted
 		},
-		{ // 00030005
+		{ // 0003000f
-			"484e44", // DS Download Play
+			"484e43", // WiFi Firmware
-			"484e45", // PictoChat
-			"484e49", // Nintendo DSi Camera
-			"484e4a", // Nintendo Zone
-			"484e4b", // Nintendo DSi Sound
 			NULL
 		},
 		{ // 00030015
 			"484e42", // System Settings
-			"484e46", // Nintendo DSi Shop
 			NULL
 		},
 		{ // 00030017
@@ -159,8 +155,7 @@ static void generateList(Menu* m)
 							blacklisted = true;
 
 						// also blacklist specific all-region titles
-						if ((strcmp("484e4441", ent->d_name) == 0) ||  // Download Play
+						if ((strcmp("484e4341", ent->d_name) == 0) ||  // WiFi Firmware
-							(strcmp("484e4541", ent->d_name) == 0) ||  // PictoChat
 							(strcmp("34544e41", ent->d_name) == 0))    // TwlNmenu
 							blacklisted = true;
 					}