mirror of
https://github.com/rvtr/unlaunch-installer_dev.git
synced 2026-01-26 13:43:08 -05:00
Initial "safe" unlaunch installer attempt
This commit is contained in:
Edoardo Lolletti
parent
35b8982442
commit
12cd316538
2
Makefile
2
Makefile
@ -5,7 +5,7 @@ ifeq ($(strip $(DEVKITARM)),)
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$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
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endif
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export TARGET := $(shell basename $(CURDIR))
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export TARGET := NTM-unlaunch
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export TOPDIR := $(CURDIR)
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# specify a directory which contains the nitro filesystem
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245
arm9/src/main.c
245
arm9/src/main.c
@ -4,11 +4,14 @@
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#include "nand/nandio.h"
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#include "storage.h"
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#include "version.h"
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#include <errno.h>
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#include <dirent.h>
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#include <time.h>
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bool programEnd = false;
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bool sdnandMode = true;
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bool hasTitleTmdMatchingLauncher = true;
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bool unlaunchInstallerFound = false;
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bool unlaunchFound = false;
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bool unlaunchPatches = false;
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bool devkpFound = false;
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@ -24,6 +27,8 @@ PrintConsole bottomScreen;
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enum {
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MAIN_MENU_MODE,
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MAIN_MENU_INSTALL,
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MAIN_MENU_SAFE_UNLAUNCH_UNINSTALL,
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MAIN_MENU_SAFE_UNLAUNCH_INSTALL,
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MAIN_MENU_TITLES,
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MAIN_MENU_BACKUP,
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MAIN_MENU_TEST,
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@ -77,6 +82,8 @@ static int _mainMenu(int cursor)
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sprintf(launcherStr, "\x1B[%02omUninstall region mod", launcherDSiFound ? 047 : 037);
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addMenuItem(m, modeStr, NULL, 0);
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addMenuItem(m, "Install", NULL, 0);
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addMenuItem(m, "Safe unlaunch uninstall", NULL, 0);
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addMenuItem(m, "Safe unlaunch install", NULL, 0);
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addMenuItem(m, "Titles", NULL, 0);
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addMenuItem(m, "Restore", NULL, 0);
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addMenuItem(m, "Test", NULL, 0);
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@ -123,6 +130,52 @@ void fifoHandlerBattery(u32 value32, void* userdata)
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charging = (value32 & BIT(7)) != 0;
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}
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bool checkIfUnlaunchHasPatches(const char* path)
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{
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//check if launcher patches are enabled
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const static u32 tidValues[][2] = {
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// {location, value}
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{0xE439, 0x382E3176}, // 1.8
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{0xB07C, 0x17484E41}, // 1.9
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{0xB099, 0x17484E41}, // 2.0 (Normal)
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{0xB079, 0x484E1841}, // 2.0 (Patched)
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};
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bool patched = false;
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FILE *tmd = fopen(path, "rb");
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if (tmd)
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{
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for (int i = 0; i < sizeof(tidValues) / sizeof(tidValues[0]); i++)
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{
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if (fseek(tmd, tidValues[i][0], SEEK_SET) == 0)
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{
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u32 tidVal;
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fread(&tidVal, sizeof(u32), 1, tmd);
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if (tidVal == tidValues[i][1])
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{
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patched = true;
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break;
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}
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}
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}
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}
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fclose(tmd);
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return patched;
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}
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bool safeCreateDir(const char* path)
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{
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if (((mkdir(path, 0777) == 0) || errno == EEXIST))
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return true;
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char errorStr[512];
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sprintf(errorStr, "\x1B[31mError:\x1B[33m Failed to create directory (%s)\n", path);
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messageBox(errorStr);
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return false;
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}
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int main(int argc, char **argv)
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{
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srand(time(0));
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@ -152,8 +205,11 @@ int main(int argc, char **argv)
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messageBox("nand init \x1B[31mfailed\n\x1B[47m");
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return 0;
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}
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unlaunchInstallerFound = (access("sd:/unlaunch.dsi", F_OK) == 0);
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//check for unlaunch and region
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char launcherTmdPath[64];
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{
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FILE *file = fopen("nand:/sys/HWINFO_S.dat", "rb");
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if (file)
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@ -165,37 +221,26 @@ int main(int argc, char **argv)
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region = launcherTid & 0xFF;
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char path[64];
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sprintf(path, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
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unsigned long long tmdSize = getFileSizePath(path);
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if (tmdSize > 520)
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unlaunchFound = true;
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//check if launcher patches are enabled
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const static u32 tidValues[][2] = {
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// {location, value}
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{0xE439, 0x382E3176}, // 1.8
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{0xB07C, 0x17484E41}, // 1.9
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{0xB099, 0x17484E41}, // 2.0 (Normal)
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{0xB079, 0x484E1841}, // 2.0 (Patched)
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};
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FILE *tmd = fopen(path, "rb");
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if (tmd)
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sprintf(launcherTmdPath, "nand:/title/00030017/%08lx/content/title.tmd", launcherTid);
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unsigned long long tmdSize = getFileSizePath(launcherTmdPath);
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if(tmdSize != 520)
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{
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for (int i = 0; i < sizeof(tidValues) / sizeof(tidValues[0]); i++)
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{
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if (fseek(file, tidValues[i][0], SEEK_SET) == 0)
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{
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u32 tidVal;
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fread(&tidVal, sizeof(u32), 1, file);
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if (tidVal == tidValues[i][1])
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{
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unlaunchPatches = true;
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break;
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}
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}
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}
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hasTitleTmdMatchingLauncher = false;
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}
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else if (tmdSize > 520)
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{
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unlaunchFound = true;
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unlaunchPatches = checkIfUnlaunchHasPatches(launcherTmdPath);
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}
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}
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if (!unlaunchFound)
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{
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unsigned long long tmdSize = getFileSizePath("nand:/title/00030017/484e4141/content/title.tmd");
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if (tmdSize > 520)
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{
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unlaunchFound = true;
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unlaunchPatches = checkIfUnlaunchHasPatches("nand:/title/00030017/484e4141/content/title.tmd");
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}
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}
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@ -236,6 +281,146 @@ int main(int argc, char **argv)
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installMenu();
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break;
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case MAIN_MENU_SAFE_UNLAUNCH_INSTALL:
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if (unlaunchInstallerFound && (choiceBox("Install unlaunch?") == YES)
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&& (hasTitleTmdMatchingLauncher || (choiceBox("There doesn't seem to be a launcher.tmd\nfile matcing the hwinfo file\nKeep installing?") == YES))
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&& nandio_unlock_writing())
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{
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FILE* unlaunchInstaller = fopen("sd:/unlaunch.dsi", "rb");
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if (!unlaunchInstaller)
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{
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messageBox("\x1B[31mError:\x1B[33m Failed to open unlaunch installer\n");
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nandio_lock_writing();
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break;
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}
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//Create HNAA launcher folder
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if (!safeCreateDir("nand:/title/00030017")
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|| !safeCreateDir("nand:/title/00030017/484e4141")
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|| !safeCreateDir("nand:/title/00030017/484e4141/content")) {
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nandio_lock_writing();
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break;
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}
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FILE* targetTmd = fopen("nand:/title/00030017/484e4141/content/title.tmd", "wb");
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if (!targetTmd)
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{
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fclose(unlaunchInstaller);
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messageBox("\x1B[31mError:\x1B[33m Failed to open target unlaunch tmd\n");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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break;
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}
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{
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char buffer[512] = {0};
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//write the first 512 bytes as 0, as that's the size of a tmd, but it can be whatever
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if (fwrite(buffer, sizeof(char), 512, targetTmd) != 512)
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{
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fclose(unlaunchInstaller);
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fclose(targetTmd);
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messageBox("\x1B[31mError:\x1B[33m Failed write to target unlaunch tmd\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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break;
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}
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size_t n;
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bool failed = false;
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while ((n = fread(buffer, sizeof(char), sizeof(buffer), unlaunchInstaller)) > 0)
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{
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if (fwrite(buffer, sizeof(char), n, targetTmd) != n)
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{
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fclose(unlaunchInstaller);
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fclose(targetTmd);
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messageBox("\x1B[31mError:\x1B[33m Failed write to target unlaunch tmd\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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failed = true;
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break;
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}
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}
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if (failed)
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break;
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if (!feof(unlaunchInstaller) || ferror(unlaunchInstaller))
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{
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fclose(unlaunchInstaller);
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fclose(targetTmd);
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messageBox("\x1B[31mError:\x1B[33m Failed read unlaunch installer\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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break;
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}
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}
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fclose(unlaunchInstaller);
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fclose(targetTmd);
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//Mark the tmd as readonly
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int fatAttributes = FAT_getAttr("nand:/title/00030017/484e4141/content/title.tmd");
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if(!FAT_setAttr("nand:/title/00030017/484e4141/content/title.tmd", fatAttributes | ATTR_READONLY) != 0)
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{
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messageBox("\x1B[31mError:\x1B[33m Failed to mark unlaunch's title.tmd as read only\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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break;
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}
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//Finally patch the default launcher tmd to be invalid
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//If there isn't a title.tmd matching the language region in the hwinfo
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// nothing else has to be done, could be a language patch, or a dev system, the user will know what they have done
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if (hasTitleTmdMatchingLauncher)
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{
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FILE* launcherTmd = fopen(launcherTmdPath, "rb");
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if(!launcherTmd)
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{
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messageBox("\x1B[31mError:\x1B[33m Failed to open default launcher's title.tmd\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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break;
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}
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FILE * f = fopen("title.tmd", "r+b");
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// Patches the title.tmd's title id from HNXX to GNXX
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fseek(launcherTmd, 0x190, SEEK_SET);
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char c;
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fread(&c, 1, 1, launcherTmd);
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//if byte is not already
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if(c == 0x48)
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{
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fseek(launcherTmd, -1, SEEK_CUR);
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c = 0x47;
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fwrite(&launcherTmd, 1, 1, f);
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}
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else if(c != 0x47)
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{
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messageBox("\x1B[31mError:\x1B[33m Default launcher's title.tmd was tamprered with, aborting\n");
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remove("nand:/title/00030017/484e4141/content/title.tmd");
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rmdir("nand:/title/00030017/484e4141/content");
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rmdir("nand:/title/00030017/484e4141");
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nandio_lock_writing();
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fclose(launcherTmd);
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break;
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}
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fclose(launcherTmd);
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}
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nandio_lock_writing();
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unlaunchFound = true;
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messageBox("Unlaunch has been installed.\n");
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}
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break;
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case MAIN_MENU_TITLES:
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titleMenu();
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break;
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