1.5.0~b1

RootHelper/main.m

@@ -123,6 +123,33 @@ NSString* appPathForAppId(NSString* appId)
 	return nil;
 }
 
+NSString* findAppNameInBundlePath(NSString* bundlePath)
+{
+	NSArray* bundleItems = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:bundlePath error:nil];
+	for(NSString* bundleItem in bundleItems)
+	{
+		if([bundleItem.pathExtension isEqualToString:@"app"])
+		{
+			return bundleItem;
+		}
+	}
+	return nil;
+}
+
+NSString* findAppPathInBundlePath(NSString* bundlePath)
+{
+	NSString* appName = findAppNameInBundlePath(bundlePath);
+	if(!appName) return nil;
+	return [bundlePath stringByAppendingPathComponent:appName];
+}
+
+NSURL* findAppURLInBundleURL(NSURL* bundleURL)
+{
+	NSString* appName = findAppNameInBundlePath(bundleURL.path);
+	if(!appName) return nil;
+	return [bundleURL URLByAppendingPathComponent:appName];
+}
+
 BOOL isMachoFile(NSString* filePath)
 {
 	FILE* file = fopen(filePath.fileSystemRepresentation, "r");
@@ -205,12 +232,13 @@ void setTSURLSchemeState(BOOL newState, NSString* customAppPath)
 	}
 }
 
-
+void installLdid(NSString* ldidToCopyPath, NSString* ldidVersion)
-void installLdid(NSString* ldidToCopyPath)
 {
 	if(![[NSFileManager defaultManager] fileExistsAtPath:ldidToCopyPath]) return;
 
 	NSString* ldidPath = [trollStoreAppPath() stringByAppendingPathComponent:@"ldid"];
+	NSString* ldidVersionPath = [trollStoreAppPath() stringByAppendingPathComponent:@"ldid.version"];
+
 	if([[NSFileManager defaultManager] fileExistsAtPath:ldidPath])
 	{
 		[[NSFileManager defaultManager] removeItemAtPath:ldidPath error:nil];
@@ -218,8 +246,11 @@ void installLdid(NSString* ldidToCopyPath)
 
 	[[NSFileManager defaultManager] copyItemAtPath:ldidToCopyPath toPath:ldidPath error:nil];
 
+	NSData* ldidVersionData = [ldidVersion dataUsingEncoding:NSUTF8StringEncoding];
+	[ldidVersionData writeToFile:ldidVersionPath atomically:YES];
+
 	chmod(ldidPath.fileSystemRepresentation, 0755);
-	chown(ldidPath.fileSystemRepresentation, 0, 0);
+	chmod(ldidVersionPath.fileSystemRepresentation, 0644);
 }
 
 BOOL isLdidInstalled(void)
@@ -433,7 +464,6 @@ int signApp(NSString* appPath)
 	NSObject *tsBundleIsPreSigned = appInfoDict[@"TSBundlePreSigned"];
 	if([tsBundleIsPreSigned isKindOfClass:[NSNumber class]])
 	{
-		
 		// if TSBundlePreSigned = YES, this bundle has been externally signed so we can skip over signing it now
 		NSNumber *tsBundleIsPreSignedNum = (NSNumber *)tsBundleIsPreSigned;
 		if([tsBundleIsPreSignedNum boolValue] == YES)
@@ -442,7 +472,7 @@ int signApp(NSString* appPath)
 			return 0;
 		}
 	}
-	
+
 	SecStaticCodeRef codeRef = getStaticCodeRef(executablePath);
 	if(codeRef != NULL)
 	{
@@ -478,34 +508,8 @@ int signApp(NSString* appPath)
 	}
 	else
 	{
-		// Work around an ldid bug where it doesn't keep entitlements on stray binaries
-		NSMutableDictionary* storedEntitlements = [NSMutableDictionary new];
-		NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtURL:[NSURL fileURLWithPath:appPath] includingPropertiesForKeys:nil options:0 errorHandler:nil];
-		NSURL* fileURL;
-		while(fileURL = [enumerator nextObject])
-		{
-			NSString* filePath = fileURL.path;
-			if(isMachoFile(filePath))
-			{
-				storedEntitlements[filePath] = dumpEntitlementsFromBinaryAtPath(filePath);
-			}
-		}
-
 		// app has entitlements, keep them
 		ldidRet = runLdid(@[@"-s", certArg, appPath], nil, &errorOutput);
-
-		[storedEntitlements enumerateKeysAndObjectsUsingBlock:^(NSString* binaryPath, NSDictionary* entitlements, BOOL* stop)
-		{
-			NSDictionary* newEntitlements = dumpEntitlementsFromBinaryAtPath(binaryPath);
-			if(!newEntitlements || ![newEntitlements isEqualToDictionary:entitlements])
-			{
-				NSString* tmpEntitlementPlistPath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"ent.xml"];
-				[entitlements writeToURL:[NSURL fileURLWithPath:tmpEntitlementPlistPath] error:nil];
-				NSString* tmpEntitlementArg = [@"-S" stringByAppendingString:tmpEntitlementPlistPath];
-				runLdid(@[tmpEntitlementArg, certArg, binaryPath], nil, nil);
-				[[NSFileManager defaultManager] removeItemAtPath:tmpEntitlementPlistPath error:nil];
-			}
-		}];
 	}
 
 	NSLog(@"ldid exited with status %d", ldidRet);
@@ -581,7 +585,7 @@ void applyPatchesToInfoDictionary(NSString* appPath)
 // 172: no info.plist found in app
 // 173: app is not signed and cannot be signed because ldid not installed or didn't work
 // 174: 
-int installApp(NSString* appPackagePath, BOOL sign, BOOL force, BOOL isTSUpdate)
+int installApp(NSString* appPackagePath, BOOL sign, BOOL force, BOOL isTSUpdate, BOOL useInstalldMethod)
 {
 	NSLog(@"[installApp force = %d]", force);
 
@@ -590,18 +594,18 @@ int installApp(NSString* appPackagePath, BOOL sign, BOOL force, BOOL isTSUpdate)
 	NSArray* items = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:appPayloadPath error:nil];
 	if(!items) return 167;
 	
-	NSString* appBundlePath;
+	NSString* appBundleToInstallPath;
 	for(NSString* item in items)
 	{
 		if([item.pathExtension isEqualToString:@"app"])
 		{
-			appBundlePath = [appPayloadPath stringByAppendingPathComponent:item];
+			appBundleToInstallPath = [appPayloadPath stringByAppendingPathComponent:item];
 			break;
 		}
 	}
-	if(!appBundlePath) return 167;
+	if(!appBundleToInstallPath) return 167;
 
-	NSString* appId = appIdForAppPath(appBundlePath);
+	NSString* appId = appIdForAppPath(appBundleToInstallPath);
 	if(!appId) return 176;
 
 	if(([appId.lowercaseString isEqualToString:@"com.opa334.trollstore"] && !isTSUpdate) || [immutableAppBundleIdentifiers() containsObject:appId.lowercaseString])
@@ -609,115 +613,151 @@ int installApp(NSString* appPackagePath, BOOL sign, BOOL force, BOOL isTSUpdate)
 		return 179;
 	}
 
-	if(!infoDictionaryForAppPath(appBundlePath)) return 172;
+	if(!infoDictionaryForAppPath(appBundleToInstallPath)) return 172;
 
 	if(!isTSUpdate)
 	{
-		applyPatchesToInfoDictionary(appBundlePath);
+		applyPatchesToInfoDictionary(appBundleToInstallPath);
 	}
 
 	if(sign)
 	{
-		int signRet = signApp(appBundlePath);
+		int signRet = signApp(appBundleToInstallPath);
 		if(signRet != 0) return signRet;
 	}
 
-	loadMCMFramework();
+	MCMAppContainer* appContainer = [objc_getClass("MCMAppContainer") containerWithIdentifier:appId createIfNecessary:NO existed:nil error:nil];
+	if(appContainer)
+	{
+		// App update
+		// Replace existing bundle with new version
 
-	BOOL existed;
+		// Check if the existing app bundle is empty
-	NSError* mcmError;
+		NSURL* bundleContainerURL = appContainer.url;
-	MCMAppContainer* appContainer = [objc_getClass("MCMAppContainer") containerWithIdentifier:appId createIfNecessary:YES existed:&existed error:&mcmError];
+		NSURL* appBundleURL = findAppURLInBundleURL(bundleContainerURL);
-	if(!appContainer || mcmError)
-	{
-		NSLog(@"[installApp] failed to create app container for %@: %@", appId, mcmError);
-		return 170;
-	}
 
-	if(existed)
+		// Make sure the installed app is a TrollStore app or the container is empty (or the force flag is set)
-	{
+		NSURL* trollStoreMarkURL = [bundleContainerURL URLByAppendingPathComponent:@"_TrollStore"];
-		NSLog(@"[installApp] got existing app container: %@", appContainer);
+		if(!appBundleURL && ![trollStoreMarkURL checkResourceIsReachableAndReturnError:nil] && !force)
-	}
-	else
-	{
-		NSLog(@"[installApp] created app container: %@", appContainer);
-	}
-
-	// check if the bundle is empty
-	BOOL isEmpty = YES;
-	NSArray* bundleItems = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:appContainer.url.path error:nil];
-	for(NSString* bundleItem in bundleItems)
-	{
-		if([bundleItem.pathExtension isEqualToString:@"app"])
 		{
-			isEmpty = NO;
+			NSLog(@"[installApp] already installed and not a TrollStore app... bailing out");
-			break;
+			return 171;
 		}
-	}
 
-	NSLog(@"[installApp] container is empty? %d", isEmpty);
+		// Terminate app if it's still running
-
+		if(!isTSUpdate)
-	// Make sure there isn't already an app store app installed with the same identifier
-	NSURL* trollStoreMarkURL = [appContainer.url URLByAppendingPathComponent:@"_TrollStore"];
-	if(existed && !isEmpty && ![trollStoreMarkURL checkResourceIsReachableAndReturnError:nil] && !force)
-	{
-		NSLog(@"[installApp] already installed and not a TrollStore app... bailing out");
-		return 171;
-	}
-
-	// Mark app as TrollStore app
-	BOOL marked = [[NSFileManager defaultManager] createFileAtPath:trollStoreMarkURL.path contents:[NSData data] attributes:nil];
-	if(!marked)
-	{
-		NSLog(@"[installApp] failed to mark %@ as TrollStore app", appId);
-		return 177;
-	}
-
-	fixPermissionsOfAppBundle(appBundlePath);
-
-	// Wipe old version if needed
-	if(existed)
-	{
-		if(![appId isEqualToString:@"com.opa334.TrollStore"])
 		{
 			BKSTerminateApplicationForReasonAndReportWithDescription(appId, 5, false, @"TrollStore - App updated");
 		}
 
-		NSLog(@"[installApp] found existing TrollStore app, cleaning directory");
+		NSLog(@"[installApp] replacing existing app with new version");
-		NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtURL:appContainer.url includingPropertiesForKeys:nil options:0 errorHandler:nil];
+
-		NSURL* fileURL;
+		// Delete existing .app directory if it exists
-		while(fileURL = [enumerator nextObject])
+		if(appBundleURL)
 		{
-			// do not under any circumstance delete this file as it makes iOS loose the app registration
+			[[NSFileManager defaultManager] removeItemAtURL:appBundleURL error:nil];
-			if([fileURL.lastPathComponent isEqualToString:@".com.apple.mobile_container_manager.metadata.plist"] || [fileURL.lastPathComponent isEqualToString:@"_TrollStore"])
-			{
-				NSLog(@"[installApp] skipping removal of %@", fileURL);
-				continue;
-			}
-
-			[[NSFileManager defaultManager] removeItemAtURL:fileURL error:nil];
 		}
-	}
 
-	// Install app
+		NSString* newAppBundlePath = [bundleContainerURL.path stringByAppendingPathComponent:appBundleToInstallPath.lastPathComponent];
-	NSString* newAppBundlePath = [appContainer.url.path stringByAppendingPathComponent:appBundlePath.lastPathComponent];
+		NSLog(@"[installApp] new app path: %@", newAppBundlePath);
-	NSLog(@"[installApp] new app path: %@", newAppBundlePath);
+
-	
+		// Install new version into existing app bundle
-	NSError* copyError;
+		NSError* copyError;
-	BOOL suc = [[NSFileManager defaultManager] copyItemAtPath:appBundlePath toPath:newAppBundlePath error:&copyError];
+		BOOL suc = [[NSFileManager defaultManager] copyItemAtPath:appBundleToInstallPath toPath:newAppBundlePath error:&copyError];
-	if(suc)
+		if(!suc)
-	{
+		{
-		NSLog(@"[installApp] App %@ installed, adding to icon cache now...", appId);
+			NSLog(@"[installApp] Error copying new version during update: %@", copyError);
-		registerPath(newAppBundlePath, NO, YES);
+			return 178;
-		return 0;
+		}
 	}
 	else
 	{
-		NSLog(@"[installApp] Failed to copy app bundle for app %@, error: %@", appId, copyError);
+		// Initial app install
-		return 178;
+		BOOL systemMethodSuccessful = NO;
+		if(useInstalldMethod)
+		{
+			// System method
+			// Do initial placeholder installation using LSApplicationWorkspace
+			NSLog(@"[installApp] doing placeholder installation using LSApplicationWorkspace");
+
+			NSError* installError;
+			@try
+			{
+				systemMethodSuccessful = [[LSApplicationWorkspace defaultWorkspace] installApplication:[NSURL fileURLWithPath:appPackagePath] withOptions:@{
+					LSInstallTypeKey : @1,
+					@"PackageType" : @"Placeholder"
+				} error:&installError];
+			}
+			@catch(NSException* e)
+			{
+				NSLog(@"[installApp] encountered expection %@ while trying to do placeholder install", e);
+				systemMethodSuccessful = NO;
+			}
+
+			if(!systemMethodSuccessful)
+			{
+				NSLog(@"[installApp] encountered error %@ while trying to do placeholder install", installError);
+			}
+		}
+	
+		if(!systemMethodSuccessful)
+		{
+			// Custom method
+			// Manually create app bundle via MCM apis and move app there
+			NSLog(@"[installApp] doing custom installation using MCMAppContainer");
+
+			NSError* mcmError;
+			appContainer = [objc_getClass("MCMAppContainer") containerWithIdentifier:appId createIfNecessary:YES existed:nil error:&mcmError];
+
+			if(!appContainer || mcmError)
+			{
+				NSLog(@"[installApp] failed to create app container for %@: %@", appId, mcmError);
+				return 170;
+			}
+			else
+			{
+				NSLog(@"[installApp] created app container: %@", appContainer);
+			}
+
+			NSString* newAppBundlePath = [appContainer.url.path stringByAppendingPathComponent:appBundleToInstallPath.lastPathComponent];
+			NSLog(@"[installApp] new app path: %@", newAppBundlePath);
+			
+			NSError* copyError;
+			BOOL suc = [[NSFileManager defaultManager] copyItemAtPath:appBundleToInstallPath toPath:newAppBundlePath error:&copyError];
+			if(!suc)
+			{
+				
+				NSLog(@"[installApp] Failed to copy app bundle for app %@, error: %@", appId, copyError);
+				return 178;
+			}
+		}
 	}
+
+	appContainer = [objc_getClass("MCMAppContainer") containerWithIdentifier:appId createIfNecessary:NO existed:nil error:nil];
+
+	// Mark app as TrollStore app
+	NSURL* trollStoreMarkURL = [appContainer.url URLByAppendingPathComponent:@"_TrollStore"];
+	if(![[NSFileManager defaultManager] fileExistsAtPath:trollStoreMarkURL.path])
+	{
+		NSError* creationError;
+		NSData* emptyData = [NSData data];
+		BOOL marked = [emptyData writeToURL:trollStoreMarkURL options:0 error:&creationError];
+		if(!marked)
+		{
+			NSLog(@"[installApp] failed to mark %@ as TrollStore app by creating %@, error: %@", appId, trollStoreMarkURL.path, creationError);
+			return 177;
+		}
+	}
+
+	// At this point the (new version of the) app is installed but still needs to be registered
+	// Also permissions need to be fixed
+	NSURL* updatedAppURL = findAppURLInBundleURL(appContainer.url);
+	fixPermissionsOfAppBundle(updatedAppURL.path);
+	registerPath(updatedAppURL.path, 0, YES);
+	return 0;
 }
 
-int uninstallApp(NSString* appPath, NSString* appId)
+int uninstallApp(NSString* appPath, NSString* appId, BOOL useCustomMethod)
 {
 	BOOL deleteSuc = NO;
 	if(!appId && appPath)
@@ -760,7 +800,21 @@ int uninstallApp(NSString* appPath, NSString* appId)
 			}
 		}
 
-		deleteSuc = [[LSApplicationWorkspace defaultWorkspace] uninstallApplication:appId withOptions:nil];
+		BOOL systemMethodSuccessful = NO;
+		if(!useCustomMethod)
+		{
+			systemMethodSuccessful = [[LSApplicationWorkspace defaultWorkspace] uninstallApplication:appId withOptions:nil];
+		}
+
+		if(!systemMethodSuccessful)
+		{
+			deleteSuc = [[NSFileManager defaultManager] removeItemAtPath:[appPath stringByDeletingLastPathComponent] error:nil];
+			registerPath(appPath, YES, YES);
+		}
+		else
+		{
+			deleteSuc = systemMethodSuccessful;
+		}
 	}
 
 	if(deleteSuc)
@@ -774,7 +828,7 @@ int uninstallApp(NSString* appPath, NSString* appId)
 	}
 }
 
-int uninstallAppByPath(NSString* appPath)
+int uninstallAppByPath(NSString* appPath, BOOL useCustomMethod)
 {
 	if(!appPath) return 1;
 
@@ -786,21 +840,20 @@ int uninstallAppByPath(NSString* appPath)
 	}
 
 	NSString* appId = appIdForAppPath(standardizedAppPath);
-	return uninstallApp(appPath, appId);
+	return uninstallApp(appPath, appId, useCustomMethod);
 }
 
-int uninstallAppById(NSString* appId)
+int uninstallAppById(NSString* appId, BOOL useCustomMethod)
 {
 	if(!appId) return 1;
 	NSString* appPath = appPathForAppId(appId);
 	if(!appPath) return 1;
-	return uninstallApp(appPath, appId);
+	return uninstallApp(appPath, appId, useCustomMethod);
 }
 
 // 166: IPA does not exist or is not accessible
 // 167: IPA does not appear to contain an app
-
+int installIpa(NSString* ipaPath, BOOL force, BOOL useInstalldMethod)
-int installIpa(NSString* ipaPath, BOOL force)
 {
 	cleanRestrictions();
 
@@ -819,18 +872,18 @@ int installIpa(NSString* ipaPath, BOOL force)
 		return 168;
 	}
 
-	int ret = installApp(tmpPackagePath, YES, force, NO);
+	int ret = installApp(tmpPackagePath, YES, force, NO, useInstalldMethod);
 	
 	[[NSFileManager defaultManager] removeItemAtPath:tmpPackagePath error:nil];
 
 	return ret;
 }
 
-void uninstallAllApps(void)
+void uninstallAllApps(BOOL useCustomMethod)
 {
 	for(NSString* appPath in trollStoreInstalledAppBundlePaths())
 	{
-		uninstallAppById(appIdForAppPath(appPath));
+		uninstallAppById(appIdForAppPath(appPath), useCustomMethod);
 	}
 }
 
@@ -872,14 +925,36 @@ int installTrollStore(NSString* pathToTar)
 	NSString* tmpTrollStorePath = [tmpPayloadPath stringByAppendingPathComponent:@"TrollStore.app"];
 	if(![[NSFileManager defaultManager] fileExistsAtPath:tmpTrollStorePath]) return 1;
 
-	// Save existing ldid installation if it exists
+	// Transfer existing ldid installation if it exists
-	NSString* existingLdidPath = [trollStoreAppPath() stringByAppendingPathComponent:@"ldid"];
+	// But only if the to-be-installed version of TrollStore is 1.5.0 or above
-	if([[NSFileManager defaultManager] fileExistsAtPath:existingLdidPath])
+	// This is to make it possible to downgrade to older versions still
+
+	NSString* toInstallInfoPlistPath = [tmpTrollStorePath stringByAppendingPathComponent:@"Info.plist"];
+	if(![[NSFileManager defaultManager] fileExistsAtPath:toInstallInfoPlistPath]) return 1;
+
+	NSDictionary* toInstallInfoDict = [NSDictionary dictionaryWithContentsOfFile:toInstallInfoPlistPath];
+	NSString* toInstallVersion = toInstallInfoDict[@"CFBundleVersion"];
+
+	NSComparisonResult result = [@"1.5.0" compare:toInstallVersion options:NSNumericSearch];
+	if(result != NSOrderedDescending)
 	{
-		NSString* tmpLdidPath = [tmpTrollStorePath stringByAppendingPathComponent:@"ldid"];
+		NSString* existingLdidPath = [trollStoreAppPath() stringByAppendingPathComponent:@"ldid"];
-		if(![[NSFileManager defaultManager] fileExistsAtPath:tmpLdidPath])
+		NSString* existingLdidVersionPath = [trollStoreAppPath() stringByAppendingPathComponent:@"ldid.version"];
+		if([[NSFileManager defaultManager] fileExistsAtPath:existingLdidPath])
 		{
-			[[NSFileManager defaultManager] copyItemAtPath:existingLdidPath toPath:tmpLdidPath error:nil];
+			NSString* tmpLdidPath = [tmpTrollStorePath stringByAppendingPathComponent:@"ldid"];
+			if(![[NSFileManager defaultManager] fileExistsAtPath:tmpLdidPath])
+			{
+				[[NSFileManager defaultManager] copyItemAtPath:existingLdidPath toPath:tmpLdidPath error:nil];
+			}
+		}
+		if([[NSFileManager defaultManager] fileExistsAtPath:existingLdidVersionPath])
+		{
+			NSString* tmpLdidVersionPath = [tmpTrollStorePath stringByAppendingPathComponent:@"ldid.version"];
+			if(![[NSFileManager defaultManager] fileExistsAtPath:tmpLdidVersionPath])
+			{
+				[[NSFileManager defaultManager] copyItemAtPath:existingLdidVersionPath toPath:tmpLdidVersionPath error:nil];
+			}
 		}
 	}
 
@@ -898,7 +973,7 @@ int installTrollStore(NSString* pathToTar)
 		_installPersistenceHelper(persistenceHelperApp, trollStorePersistenceHelper, trollStoreRootHelper);
 	}
 
-	int ret = installApp(tmpPackagePath, NO, YES, YES);
+	int ret = installApp(tmpPackagePath, NO, YES, YES, YES);
 	NSLog(@"[installTrollStore] installApp => %d", ret);
 	[[NSFileManager defaultManager] removeItemAtPath:tmpPackagePath error:nil];
 	return ret;
@@ -1106,90 +1181,114 @@ int MAIN_NAME(int argc, char *argv[], char *envp[])
 	@autoreleasepool {
 		if(argc <= 1) return -1;
 
-		NSLog(@"trollstore helper go, uid: %d, gid: %d", getuid(), getgid());
+		if(getuid() != 0)
+		{
+			NSLog(@"ERROR: trollstorehelper has to be run as root.");
+			return -1;
+		}
+
+		NSMutableArray* args = [NSMutableArray new];
+		for (int i = 1; i < argc; i++)
+		{
+			[args addObject:[NSString stringWithUTF8String:argv[i]]];
+		}
+
+		NSLog(@"trollstorehelper invoked with arguments: %@", args);
 
 		int ret = 0;
-
+		NSString* cmd = args.firstObject;
-		NSString* cmd = [NSString stringWithUTF8String:argv[1]];
 		if([cmd isEqualToString:@"install"])
 		{
-			BOOL force = NO;
+			if(args.count < 2) return -3;
-			if(argc <= 2) return -3;
+			// use system method when specified, otherwise use custom method
-			if(argc > 3)
+			BOOL useInstalldMethod = [args containsObject:@"installd"];
-			{
+			BOOL force = [args containsObject:@"force"];
-				if(!strcmp(argv[3], "force"))
+			NSString* ipaPath = args.lastObject;
-				{
+			ret = installIpa(ipaPath, force, useInstalldMethod);
-					force = YES;
+		}
-				}
+		else if([cmd isEqualToString:@"uninstall"])
-			}
-			NSString* ipaPath = [NSString stringWithUTF8String:argv[2]];
-			ret = installIpa(ipaPath, force);
-		} else if([cmd isEqualToString:@"uninstall"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* appId = [NSString stringWithUTF8String:argv[2]];
+			// use custom method when specified, otherwise use system method
-			ret = uninstallAppById(appId);
+			BOOL useCustomMethod = [args containsObject:@"custom"];
-		} else if([cmd isEqualToString:@"uninstall-path"])
+			NSString* appId = args.lastObject;
+			ret = uninstallAppById(appId, useCustomMethod);
+		}
+		else if([cmd isEqualToString:@"uninstall-path"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* appPath = [NSString stringWithUTF8String:argv[2]];
+			// use custom method when specified, otherwise use system method
-			ret = uninstallAppByPath(appPath);
+			BOOL useCustomMethod = [args containsObject:@"custom"];
-		}else if([cmd isEqualToString:@"install-trollstore"])
+			NSString* appPath = args.lastObject;
+			ret = uninstallAppByPath(appPath, useCustomMethod);
+		}
+		else if([cmd isEqualToString:@"install-trollstore"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* tsTar = [NSString stringWithUTF8String:argv[2]];
+			NSString* tsTar = args.lastObject;
 			ret = installTrollStore(tsTar);
 			NSLog(@"installed troll store? %d", ret==0);
-		} else if([cmd isEqualToString:@"uninstall-trollstore"])
+		}
+		else if([cmd isEqualToString:@"uninstall-trollstore"])
 		{
-			uninstallAllApps();
+			if(![args containsObject:@"preserve-apps"])
+			{
+				uninstallAllApps([args containsObject:@"custom"]);
+			}
 			uninstallTrollStore(YES);
-		} else if([cmd isEqualToString:@"uninstall-trollstore-preserve-apps"])
+		}
+		else if([cmd isEqualToString:@"install-ldid"])
 		{
-			uninstallTrollStore(YES);
+			if(args.count < 3) return -3;
-		}else if([cmd isEqualToString:@"install-ldid"])
+			NSString* ldidPath = args[1];
-		{
+			NSString* ldidVersion = args[2];
-			if(argc <= 2) return -3;
+			installLdid(ldidPath, ldidVersion);
-			NSString* ldidPath = [NSString stringWithUTF8String:argv[2]];
+		}
-			installLdid(ldidPath);
+		else if([cmd isEqualToString:@"refresh"])
-		} else if([cmd isEqualToString:@"refresh"])
 		{
 			refreshAppRegistrations(YES);
-		} else if([cmd isEqualToString:@"refresh-all"])
+		}
+		else if([cmd isEqualToString:@"refresh-all"])
 		{
 			cleanRestrictions();
 			//refreshAppRegistrations(NO); // <- fixes app permissions resetting, causes apps to move around on home screen, so I had to disable it
+			[[NSFileManager defaultManager] removeItemAtPath:@"/var/containers/Shared/SystemGroup/systemgroup.com.apple.lsd.iconscache/Library/Caches/com.apple.IconsCache" error:nil];
 			[[LSApplicationWorkspace defaultWorkspace] _LSPrivateRebuildApplicationDatabasesForSystemApps:YES internal:YES user:YES];
 			refreshAppRegistrations(YES);
 			killall(@"backboardd", YES);
-		} else if([cmd isEqualToString:@"install-persistence-helper"])
+		}
+		else if([cmd isEqualToString:@"install-persistence-helper"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* systemAppId = [NSString stringWithUTF8String:argv[2]];
+			NSString* systemAppId = args.lastObject;
 			installPersistenceHelper(systemAppId);
-		} else if([cmd isEqualToString:@"uninstall-persistence-helper"])
+		}
+		else if([cmd isEqualToString:@"uninstall-persistence-helper"])
 		{
 			uninstallPersistenceHelper();
-		} else if([cmd isEqualToString:@"register-user-persistence-helper"])
+		}
+		else if([cmd isEqualToString:@"register-user-persistence-helper"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* userAppId = [NSString stringWithUTF8String:argv[2]];
+			NSString* userAppId = args.lastObject;
 			registerUserPersistenceHelper(userAppId);
-		} else if([cmd isEqualToString:@"modify-registration"])
+		}
+		else if([cmd isEqualToString:@"modify-registration"])
 		{
-			if(argc <= 3) return -3;
+			if(args.count < 3) return -3;
-			NSString* appPath = [NSString stringWithUTF8String:argv[2]];
+			NSString* appPath = args[1];
-			NSString* newRegistration = [NSString stringWithUTF8String:argv[3]];
+			NSString* newRegistration = args[2];
 
 			NSString* trollStoreMark = [[appPath stringByDeletingLastPathComponent] stringByAppendingPathComponent:@"_TrollStore"];
 			if([[NSFileManager defaultManager] fileExistsAtPath:trollStoreMark])
 			{
 				registerPath(appPath, NO, [newRegistration isEqualToString:@"System"]);
 			}
-		} else if([cmd isEqualToString:@"url-scheme"])
+		}
+		else if([cmd isEqualToString:@"url-scheme"])
 		{
-			if(argc <= 2) return -3;
+			if(args.count < 2) return -3;
-			NSString* modifyArg = [NSString stringWithUTF8String:argv[2]];
+			NSString* modifyArg = args.lastObject;
 			BOOL newState = [modifyArg isEqualToString:@"enable"];
 			if(newState == YES || [modifyArg isEqualToString:@"disable"])
 			{
@@ -1197,8 +1296,7 @@ int MAIN_NAME(int argc, char *argv[], char *envp[])
 			}
 		}
 
-		NSLog(@"returning %d", ret);
+		NSLog(@"trollstorehelper returning %d", ret);
-
 		return ret;
 	}
 }

Shared/TSListControllerShared.h

@@ -12,5 +12,6 @@
 - (void)refreshAppRegistrationsPressed;
 - (void)uninstallPersistenceHelperPressed;
 - (void)handleUninstallation;
+- (NSMutableArray*)argsForUninstallingTrollStore;
 - (void)uninstallTrollStorePressed;
 @end

Shared/TSListControllerShared.m

@@ -188,20 +188,28 @@
 	}
 }
 
+- (NSMutableArray*)argsForUninstallingTrollStore
+{
+	return @[@"uninstall-trollstore"].mutableCopy;
+}
+
 - (void)uninstallTrollStorePressed
 {
 	UIAlertController* uninstallAlert = [UIAlertController alertControllerWithTitle:@"Uninstall" message:@"You are about to uninstall TrollStore, do you want to preserve the apps installed by it?" preferredStyle:UIAlertControllerStyleAlert];
 	
 	UIAlertAction* uninstallAllAction = [UIAlertAction actionWithTitle:@"Uninstall TrollStore, Uninstall Apps" style:UIAlertActionStyleDestructive handler:^(UIAlertAction* action)
 	{
-		spawnRoot(rootHelperPath(), @[@"uninstall-trollstore"], nil, nil);
+		NSMutableArray* args = [self argsForUninstallingTrollStore];
+		spawnRoot(rootHelperPath(), @[args], nil, nil);
 		[self handleUninstallation];
 	}];
 	[uninstallAlert addAction:uninstallAllAction];
 
 	UIAlertAction* preserveAppsAction = [UIAlertAction actionWithTitle:@"Uninstall TrollStore, Preserve Apps" style:UIAlertActionStyleDestructive handler:^(UIAlertAction* action)
 	{
-		spawnRoot(rootHelperPath(), @[@"uninstall-trollstore-preserve-apps"], nil, nil);
+		NSMutableArray* args = [self argsForUninstallingTrollStore];
+		[args addObject:@"preserve-apps"];
+		spawnRoot(rootHelperPath(), args, nil, nil);
 		[self handleUninstallation];
 	}];
 	[uninstallAlert addAction:preserveAppsAction];

Shared/TSUtil.h

@@ -13,6 +13,7 @@ extern int spawnRoot(NSString* path, NSArray* args, NSString** stdOut, NSString*
 extern void killall(NSString* processName, BOOL softly);
 extern void respring(void);
 extern void fetchLatestTrollStoreVersion(void (^completionHandler)(NSString* latestVersion));
+extern void fetchLatestLdidVersion(void (^completionHandler)(NSString* latestVersion));
 
 extern NSArray* trollStoreInstalledAppBundlePaths();
 extern NSArray* trollStoreInstalledAppContainerPaths();

Shared/TSUtil.m

@@ -287,9 +287,10 @@ void respring(void)
 	exit(0);
 }
 
-void fetchLatestTrollStoreVersion(void (^completionHandler)(NSString* latestVersion))
+void github_fetchLatestVersion(NSString* repo, void (^completionHandler)(NSString* latestVersion))
 {
-	NSURL* githubLatestAPIURL = [NSURL URLWithString:@"https://api.github.com/repos/opa334/TrollStore/releases/latest"];
+	NSString* urlString = [NSString stringWithFormat:@"https://api.github.com/repos/%@/releases/latest", repo];
+	NSURL* githubLatestAPIURL = [NSURL URLWithString:urlString];
 
 	NSURLSessionDataTask* task = [NSURLSession.sharedSession dataTaskWithURL:githubLatestAPIURL completionHandler:^(NSData *data, NSURLResponse *response, NSError *error)
 	{
@@ -311,6 +312,16 @@ void fetchLatestTrollStoreVersion(void (^completionHandler)(NSString* latestVers
 	[task resume];
 }
 
+void fetchLatestTrollStoreVersion(void (^completionHandler)(NSString* latestVersion))
+{
+	github_fetchLatestVersion(@"opa334/TrollStore", completionHandler);
+}
+
+void fetchLatestLdidVersion(void (^completionHandler)(NSString* latestVersion))
+{
+	github_fetchLatestVersion(@"opa334/ldid", completionHandler);
+}
+
 NSArray* trollStoreInstalledAppContainerPaths()
 {
 	NSMutableArray* appContainerPaths = [NSMutableArray new];

TrollStore/TSApplicationsManager.m

@@ -1,5 +1,6 @@
 #import "TSApplicationsManager.h"
 #import <TSUtil.h>
+extern NSUserDefaults* trollStoreUserDefaults();
 
 @implementation TSApplicationsManager
 
@@ -75,15 +76,25 @@
 
 - (int)installIpa:(NSString*)pathToIpa force:(BOOL)force log:(NSString**)logOut
 {
-    int ret;
+    NSMutableArray* args = [NSMutableArray new];
+    [args addObject:@"install"];
     if(force)
     {
-        ret = spawnRoot(rootHelperPath(), @[@"install", pathToIpa, @"force"], nil, logOut);
+        [args addObject:@"force"];
+    }
+    NSNumber* installationMethodToUseNum = [trollStoreUserDefaults() objectForKey:@"installationMethod"];
+    int installationMethodToUse = installationMethodToUseNum ? installationMethodToUseNum.intValue : 1;
+    if(installationMethodToUse == 1)
+    {
+        [args addObject:@"custom"];
     }
     else
     {
-        ret = spawnRoot(rootHelperPath(), @[@"install", pathToIpa], nil, logOut);
+        [args addObject:@"installd"];
     }
+    [args addObject:pathToIpa];
+
+    int ret = spawnRoot(rootHelperPath(), args, nil, logOut);
     [[NSNotificationCenter defaultCenter] postNotificationName:@"ApplicationsChanged" object:nil];
     return ret;
 }
@@ -96,7 +107,24 @@
 - (int)uninstallApp:(NSString*)appId
 {
     if(!appId) return -200;
-    int ret = spawnRoot(rootHelperPath(), @[@"uninstall", appId], nil, nil);
+
+    NSMutableArray* args = [NSMutableArray new];
+    [args addObject:@"uninstall"];
+
+    NSNumber* uninstallationMethodToUseNum = [trollStoreUserDefaults() objectForKey:@"uninstallationMethod"];
+    int uninstallationMethodToUse = uninstallationMethodToUseNum ? uninstallationMethodToUseNum.intValue : 0;
+    if(uninstallationMethodToUse == 1)
+    {
+        [args addObject:@"custom"];
+    }
+    else
+    {
+        [args addObject:@"installd"];
+    }
+
+    [args addObject:appId];
+
+    int ret = spawnRoot(rootHelperPath(), args, nil, nil);
     [[NSNotificationCenter defaultCenter] postNotificationName:@"ApplicationsChanged" object:nil];
     return ret;
 }
@@ -104,7 +132,24 @@
 - (int)uninstallAppByPath:(NSString*)path
 {
     if(!path) return -200;
-    int ret = spawnRoot(rootHelperPath(), @[@"uninstall-path", path], nil, nil);
+
+    NSMutableArray* args = [NSMutableArray new];
+    [args addObject:@"uninstall-path"];
+
+    NSNumber* uninstallationMethodToUseNum = [trollStoreUserDefaults() objectForKey:@"uninstallationMethod"];
+    int uninstallationMethodToUse = uninstallationMethodToUseNum ? uninstallationMethodToUseNum.intValue : 0;
+    if(uninstallationMethodToUse == 1)
+    {
+        [args addObject:@"custom"];
+    }
+    else
+    {
+        [args addObject:@"installd"];
+    }
+
+    [args addObject:path];
+
+    int ret = spawnRoot(rootHelperPath(), args, nil, nil);
     [[NSNotificationCenter defaultCenter] postNotificationName:@"ApplicationsChanged" object:nil];
     return ret;
 }

TrollStore/TSInstallationController.h

@@ -9,4 +9,6 @@
 
 + (void)handleAppInstallFromRemoteURL:(NSURL*)remoteURL completion:(void (^)(BOOL, NSError*))completion;
 
++ (void)installLdid;
+
 @end

TrollStore/TSInstallationController.m

@@ -187,4 +187,47 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 	});
 }
 
++ (void)installLdid
+{
+	fetchLatestLdidVersion(^(NSString* latestVersion)
+	{
+		dispatch_async(dispatch_get_main_queue(), ^
+		{
+			NSURL* ldidURL = [NSURL URLWithString:@"https://github.com/opa334/ldid/releases/latest/download/ldid"];
+			NSURLRequest* ldidRequest = [NSURLRequest requestWithURL:ldidURL];
+
+			[TSPresentationDelegate startActivity:@"Installing ldid"];
+
+			NSURLSessionDownloadTask* downloadTask = [NSURLSession.sharedSession downloadTaskWithRequest:ldidRequest completionHandler:^(NSURL *location, NSURLResponse *response, NSError *error)
+			{
+				if(error)
+				{
+					UIAlertController* errorAlert = [UIAlertController alertControllerWithTitle:@"Error" message:[NSString stringWithFormat:@"Error downloading ldid: %@", error] preferredStyle:UIAlertControllerStyleAlert];
+					UIAlertAction* closeAction = [UIAlertAction actionWithTitle:@"Close" style:UIAlertActionStyleDefault handler:nil];
+					[errorAlert addAction:closeAction];
+
+					dispatch_async(dispatch_get_main_queue(), ^
+					{
+						[TSPresentationDelegate stopActivityWithCompletion:^
+						{
+							[TSPresentationDelegate presentViewController:errorAlert animated:YES completion:nil];
+						}];
+					});
+				}
+				else
+				{
+					spawnRoot(rootHelperPath(), @[@"install-ldid", location.path, latestVersion], nil, nil);
+					dispatch_async(dispatch_get_main_queue(), ^
+					{
+						[TSPresentationDelegate stopActivityWithCompletion:nil];
+						[[NSNotificationCenter defaultCenter] postNotificationName:@"TrollStoreReloadSettingsNotification" object:nil userInfo:nil];
+					});
+				}
+			}];
+
+			[downloadTask resume];
+		});
+	});
+}
+
 @end

TrollStore/TSSceneDelegate.m

@@ -72,6 +72,20 @@
 	}
 }
 
+// We want to auto install ldid if either it doesn't exist
+// or if it's the one from an old TrollStore version that's no longer supported
+- (void)handleLdidCheck
+{
+	NSString* tsAppPath = [NSBundle mainBundle].bundlePath;
+
+	NSString* ldidPath = [tsAppPath stringByAppendingPathComponent:@"ldid"];
+	NSString* ldidVersionPath = [tsAppPath stringByAppendingPathComponent:@"ldid.version"];
+
+	if(![[NSFileManager defaultManager] fileExistsAtPath:ldidPath] || ![[NSFileManager defaultManager] fileExistsAtPath:ldidVersionPath])
+	{
+		[TSInstallationController installLdid];
+	}
+}
 
 - (void)scene:(UIScene *)scene willConnectToSession:(UISceneSession *)session options:(UISceneConnectionOptions *)connectionOptions {
 	// Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`.
@@ -88,6 +102,10 @@
 	{
 		[self handleURLContexts:connectionOptions.URLContexts scene:(UIWindowScene*)scene];
 	}
+	else
+	{
+		[self handleLdidCheck];
+	}
 }
 
 

TrollStore/TSSettingsAdvancedListController.h

@@ -0,0 +1,5 @@
+#import <Preferences/PSListController.h>
+
+@interface TSSettingsAdvancedListController : PSListController
+
+@end

TrollStore/TSSettingsAdvancedListController.m

@@ -0,0 +1,103 @@
+#import "TSSettingsAdvancedListController.h"
+#import <Preferences/PSSpecifier.h>
+
+extern NSUserDefaults* trollStoreUserDefaults();
+@interface PSSpecifier ()
+@property (nonatomic,retain) NSArray* values;
+@end
+
+@implementation TSSettingsAdvancedListController
+
+- (NSMutableArray*)specifiers
+{
+	if(!_specifiers)
+	{
+		_specifiers = [NSMutableArray new];
+
+		PSSpecifier* installationMethodGroupSpecifier = [PSSpecifier emptyGroupSpecifier];
+		//installationMethodGroupSpecifier.name = @"Installation";
+		[installationMethodGroupSpecifier setProperty:@"installd:\nInstalls applications by doing a placeholder installation through installd, fixing the permissions and then adding it to icon cache.\nAdvantage: Might be slightly more persistent then the custom method in terms of icon cache reloads.\nDisadvantage: Causes some small issues with certain applications for seemingly no reason (E.g. Watusi cannot save preferences when being installed using this method).\n\nCustom (Recommended):\nInstalls applications by manually creating a bundle using MobileContainerManager, copying the app into it and adding it to icon cache.\nAdvantage: No known issues (As opposed to the Watusi issue outlined in the installd method).\nDisadvantage: Might be slightly less persistent then the installd method in terms of icon cache reloads.\n\nNOTE: In cases where installd is selected but the placeholder installation fails, TrollStore automatically falls back to using the Custom method." forKey:@"footerText"];
+		[_specifiers addObject:installationMethodGroupSpecifier];
+
+		PSSpecifier* installationMethodSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Installation Method"
+											target:self
+											set:nil
+											get:nil
+											detail:nil
+											cell:PSStaticTextCell
+											edit:nil];
+		[installationMethodSpecifier setProperty:@YES forKey:@"enabled"];
+		installationMethodSpecifier.identifier = @"installationMethodLabel";
+		[_specifiers addObject:installationMethodSpecifier];
+
+		PSSpecifier* installationMethodSegmentSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Installation Method Segment"
+											target:self
+											set:@selector(setPreferenceValue:specifier:)
+											get:@selector(readPreferenceValue:)
+											detail:nil
+											cell:PSSegmentCell
+											edit:nil];
+		[installationMethodSegmentSpecifier setProperty:@YES forKey:@"enabled"];
+		installationMethodSegmentSpecifier.identifier = @"installationMethodSegment";
+		[installationMethodSegmentSpecifier setProperty:@"com.opa334.TrollStore" forKey:@"defaults"];
+		[installationMethodSegmentSpecifier setProperty:@"installationMethod" forKey:@"key"];
+		installationMethodSegmentSpecifier.values = @[@0, @1];
+		installationMethodSegmentSpecifier.titleDictionary = @{@0 : @"installd", @1 : @"Custom"};
+		[installationMethodSegmentSpecifier setProperty:@1 forKey:@"default"];
+		[_specifiers addObject:installationMethodSegmentSpecifier];
+
+		PSSpecifier* uninstallationMethodGroupSpecifier = [PSSpecifier emptyGroupSpecifier];
+		//uninstallationMethodGroupSpecifier.name = @"Uninstallation";
+		[uninstallationMethodGroupSpecifier setProperty:@"installd (Recommended):\nUninstalls applications using the same API that SpringBoard uses when uninstalling them from the home screen.\n\nCustom:\nUninstalls applications by removing them from icon cache and then deleting their application and data bundles directly.\n\nNOTE: In cases where installd is selected but the stock uninstallation fails, TrollStore automatically falls back to using the Custom method." forKey:@"footerText"];
+		[_specifiers addObject:uninstallationMethodGroupSpecifier];
+
+		PSSpecifier* uninstallationMethodSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Uninstallation Method"
+											target:self
+											set:nil
+											get:nil
+											detail:nil
+											cell:PSStaticTextCell
+											edit:nil];
+		[uninstallationMethodSpecifier setProperty:@YES forKey:@"enabled"];
+		uninstallationMethodSpecifier.identifier = @"uninstallationMethodLabel";
+		[_specifiers addObject:uninstallationMethodSpecifier];
+
+		PSSpecifier* uninstallationMethodSegmentSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Installation Method Segment"
+											target:self
+											set:@selector(setPreferenceValue:specifier:)
+											get:@selector(readPreferenceValue:)
+											detail:nil
+											cell:PSSegmentCell
+											edit:nil];
+		[uninstallationMethodSegmentSpecifier setProperty:@YES forKey:@"enabled"];
+		uninstallationMethodSegmentSpecifier.identifier = @"uninstallationMethodSegment";
+		[uninstallationMethodSegmentSpecifier setProperty:@"com.opa334.TrollStore" forKey:@"defaults"];
+		[uninstallationMethodSegmentSpecifier setProperty:@"uninstallationMethod" forKey:@"key"];
+		uninstallationMethodSegmentSpecifier.values = @[@0, @1];
+		uninstallationMethodSegmentSpecifier.titleDictionary = @{@0 : @"installd", @1 : @"Custom"};
+		[uninstallationMethodSegmentSpecifier setProperty:@0 forKey:@"default"];
+		[_specifiers addObject:uninstallationMethodSegmentSpecifier];
+	}
+
+	[(UINavigationItem *)self.navigationItem setTitle:@"Advanced"];
+	return _specifiers;
+}
+
+- (void)setPreferenceValue:(NSObject*)value specifier:(PSSpecifier*)specifier
+{
+	NSUserDefaults* tsDefaults = trollStoreUserDefaults();
+	[tsDefaults setObject:value forKey:[specifier propertyForKey:@"key"]];
+}
+
+- (NSObject*)readPreferenceValue:(PSSpecifier*)specifier
+{
+	NSUserDefaults* tsDefaults = trollStoreUserDefaults();
+	NSObject* toReturn = [tsDefaults objectForKey:[specifier propertyForKey:@"key"]];
+	if(!toReturn)
+	{
+		toReturn = [specifier propertyForKey:@"default"];
+	}
+	return toReturn;
+}
+
+@end

TrollStore/TSSettingsListController.h

@@ -4,5 +4,6 @@
 {
     PSSpecifier* _installPersistenceHelperSpecifier;
     NSString* _newerVersion;
+    NSString* _newerLdidVersion;
 }
 @end

TrollStore/TSSettingsListController.m

@@ -3,6 +3,8 @@
 #import <Preferences/PSSpecifier.h>
 #import <Preferences/PSListItemsController.h>
 #import <TSPresentationDelegate.h>
+#import "TSInstallationController.h"
+#import "TSSettingsAdvancedListController.h"
 
 @interface NSUserDefaults (Private)
 - (instancetype)_initWithSuiteName:(NSString *)suiteName container:(NSURL *)container;
@@ -15,6 +17,7 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 {
 	[super viewDidLoad];
 	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadSpecifiers) name:UIApplicationWillEnterForegroundNotification object:nil];
+	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(reloadSpecifiers) name:@"TrollStoreReloadSettingsNotification" object:nil];
 
 	fetchLatestTrollStoreVersion(^(NSString* latestVersion)
 	{
@@ -29,6 +32,26 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 			});
 		}
 	});
+
+	fetchLatestLdidVersion(^(NSString* latestVersion)
+	{
+		NSString* ldidVersionPath = [NSBundle.mainBundle.bundlePath stringByAppendingPathComponent:@"ldid.version"];
+		NSString* ldidVersion = nil;
+		NSData* ldidVersionData = [NSData dataWithContentsOfFile:ldidVersionPath];
+		if(ldidVersionData)
+		{
+			ldidVersion = [[NSString alloc] initWithData:ldidVersionData encoding:NSUTF8StringEncoding];
+		}
+		
+		if(![latestVersion isEqualToString:ldidVersion])
+		{
+			_newerLdidVersion = latestVersion;
+			dispatch_async(dispatch_get_main_queue(), ^
+			{
+				[self reloadSpecifiers];
+			});
+		}
+	});
 }
 
 - (NSMutableArray*)specifiers
@@ -88,8 +111,16 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 		[_specifiers addObject:rebuildIconCacheSpecifier];
 
 		NSString* ldidPath = [NSBundle.mainBundle.bundlePath stringByAppendingPathComponent:@"ldid"];
+		NSString* ldidVersionPath = [NSBundle.mainBundle.bundlePath stringByAppendingPathComponent:@"ldid.version"];
 		BOOL ldidInstalled = [[NSFileManager defaultManager] fileExistsAtPath:ldidPath];
 
+		NSString* ldidVersion = nil;
+		NSData* ldidVersionData = [NSData dataWithContentsOfFile:ldidVersionPath];
+		if(ldidVersionData)
+		{
+			ldidVersion = [[NSString alloc] initWithData:ldidVersionData encoding:NSUTF8StringEncoding];
+		}
+
 		PSSpecifier* signingGroupSpecifier = [PSSpecifier emptyGroupSpecifier];
 		signingGroupSpecifier.name = @"Signing";
 
@@ -106,7 +137,13 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 
 		if(ldidInstalled)
 		{
-			PSSpecifier* ldidInstalledSpecifier = [PSSpecifier preferenceSpecifierNamed:@"ldid: Installed"
+			NSString* installedTitle = @"ldid: Installed";
+			if(ldidVersion)
+			{
+				installedTitle = [NSString stringWithFormat:@"%@ (%@)", installedTitle, ldidVersion];
+			}
+
+			PSSpecifier* ldidInstalledSpecifier = [PSSpecifier preferenceSpecifierNamed:installedTitle
 											target:self
 											set:nil
 											get:nil
@@ -116,6 +153,22 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 			[ldidInstalledSpecifier setProperty:@NO forKey:@"enabled"];
 			ldidInstalledSpecifier.identifier = @"ldidInstalled";
 			[_specifiers addObject:ldidInstalledSpecifier];
+
+			if(_newerLdidVersion && ![_newerLdidVersion isEqualToString:ldidVersion])
+			{
+				NSString* updateTitle = [NSString stringWithFormat:@"Update to %@", _newerLdidVersion];
+				PSSpecifier* ldidUpdateSpecifier = [PSSpecifier preferenceSpecifierNamed:updateTitle
+											target:self
+											set:nil
+											get:nil
+											detail:nil
+											cell:PSButtonCell
+											edit:nil];
+				ldidUpdateSpecifier.identifier = @"updateLdid";
+				[ldidUpdateSpecifier setProperty:@YES forKey:@"enabled"];
+				ldidUpdateSpecifier.buttonAction = @selector(installOrUpdateLdidPressed);
+				[_specifiers addObject:ldidUpdateSpecifier];
+			}
 		}
 		else
 		{
@@ -126,9 +179,9 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 											detail:nil
 											cell:PSButtonCell
 											edit:nil];
-			installLdidSpecifier.identifier = @"ldidInstalled";
+			installLdidSpecifier.identifier = @"installLdid";
 			[installLdidSpecifier setProperty:@YES forKey:@"enabled"];
-			installLdidSpecifier.buttonAction = @selector(installLdidPressed);
+			installLdidSpecifier.buttonAction = @selector(installOrUpdateLdidPressed);
 			[_specifiers addObject:installLdidSpecifier];
 		}
 
@@ -234,11 +287,21 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 
 		[_specifiers addObject:installAlertConfigurationSpecifier];
 
-
 		PSSpecifier* otherGroupSpecifier = [PSSpecifier emptyGroupSpecifier];
-		[otherGroupSpecifier setProperty:[NSString stringWithFormat:@"TrollStore %@\n\n© 2022 Lars Fröder (opa334)\n\nCredits:\n@LinusHenze: CoreTrust bug\n@zhuowei: CoreTrust bug writeup and cert\n@lunotech11, @SerenaKit, @tylinux: Various contributions\n@ProcursusTeam: uicache and ldid build\n@cstar_ow: uicache\n@saurik: ldid", [self getTrollStoreVersion]] forKey:@"footerText"];
+		[otherGroupSpecifier setProperty:[NSString stringWithFormat:@"TrollStore %@\n\n© 2022 Lars Fröder (opa334)\n\nTrollStore is NOT for piracy!\n\nCredits:\n@LinusHenze: CoreTrust bug\n@zhuowei: CoreTrust bug writeup and cert\n@lunotech11, @SerenaKit, @tylinux: Various contributions\n@ProcursusTeam: uicache and ldid build\n@cstar_ow: uicache\n@saurik: ldid", [self getTrollStoreVersion]] forKey:@"footerText"];
 		[_specifiers addObject:otherGroupSpecifier];
 
+		PSSpecifier* advancedLinkSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Advanced"
+										target:self
+										set:nil
+										get:nil
+										detail:nil
+										cell:PSLinkListCell
+										edit:nil];
+		advancedLinkSpecifier.detailControllerClass = [TSSettingsAdvancedListController class];
+		[advancedLinkSpecifier setProperty:@YES forKey:@"enabled"];
+		[_specifiers addObject:advancedLinkSpecifier];
+
 		// Uninstall TrollStore
 		PSSpecifier* uninstallTrollStoreSpecifier = [PSSpecifier preferenceSpecifierNamed:@"Uninstall TrollStore"
 										target:self
@@ -277,7 +340,7 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 
 - (NSArray*)installationConfirmationNames
 {
-	return @[@"Always (Recommended)", @"Only on Remote Installs", @"Never (Not Recommeded)"];
+	return @[@"Always (Recommended)", @"Only on Remote URL Installs", @"Never (Not Recommeded)"];
 }
 
 - (void)respringButtonPressed
@@ -285,41 +348,9 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 	respring();
 }
 
-- (void)installLdidPressed
+- (void)installOrUpdateLdidPressed
 {
-	NSURL* ldidURL = [NSURL URLWithString:@"https://github.com/opa334/ldid/releases/download/v2.1.5-procursus5/ldid"];
+	[TSInstallationController installLdid];
-	NSURLRequest* ldidRequest = [NSURLRequest requestWithURL:ldidURL];
-
-	[TSPresentationDelegate startActivity:@"Installing ldid"];
-
-	NSURLSessionDownloadTask* downloadTask = [NSURLSession.sharedSession downloadTaskWithRequest:ldidRequest completionHandler:^(NSURL *location, NSURLResponse *response, NSError *error)
-	{
-		if(error)
-		{
-			UIAlertController* errorAlert = [UIAlertController alertControllerWithTitle:@"Error" message:[NSString stringWithFormat:@"Error downloading ldid: %@", error] preferredStyle:UIAlertControllerStyleAlert];
-			UIAlertAction* closeAction = [UIAlertAction actionWithTitle:@"Close" style:UIAlertActionStyleDefault handler:nil];
-			[errorAlert addAction:closeAction];
-
-			dispatch_async(dispatch_get_main_queue(), ^
-			{
-				[TSPresentationDelegate stopActivityWithCompletion:^
-				{
-					[TSPresentationDelegate presentViewController:errorAlert animated:YES completion:nil];
-				}];
-			});
-		}
-		else
-		{
-			spawnRoot(rootHelperPath(), @[@"install-ldid", location.path], nil, nil);
-			dispatch_async(dispatch_get_main_queue(), ^
-			{
-				[TSPresentationDelegate stopActivityWithCompletion:nil];
-				[self reloadSpecifiers];
-			});
-		}
-	}];
-
-	[downloadTask resume];
 }
 
 - (void)installPersistenceHelperPressed
@@ -410,4 +441,18 @@ extern NSUserDefaults* trollStoreUserDefaults(void);
 	return toReturn;
 }
 
+- (NSMutableArray*)argsForUninstallingTrollStore
+{
+	NSMutableArray* args = @[@"uninstall-trollstore"].mutableCopy;
+
+	NSNumber* uninstallationMethodToUseNum = [trollStoreUserDefaults() objectForKey:@"uninstallationMethod"];
+    int uninstallationMethodToUse = uninstallationMethodToUseNum ? uninstallationMethodToUseNum.intValue : 0;
+    if(uninstallationMethodToUse == 1)
+    {
+        [args addObject:@"custom"];
+    }
+
+	return args;
+}
+
 @end