From 01e601c82db4ca5c8fa998d78b5250936942b240 Mon Sep 17 00:00:00 2001
From: poomsmart <thatchapon.unp@outlook.com>
Date: Wed, 14 Apr 2021 21:07:40 +0000
Subject: [uicache] Add support for listing installed applications back to iOS
 6.

---
 uicache.mm | 64 ++++++++++++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 50 insertions(+), 14 deletions(-)

diff --git a/uicache.mm b/uicache.mm
index 28ea420..7e4c830 100644
--- a/uicache.mm
+++ b/uicache.mm
@@ -122,14 +122,14 @@
 
 @end
 
-@interface LSApplicationState : NSObject
+@interface _LSApplicationState : NSObject
 -(bool)isValid;
 @end
 
 @interface LSApplicationProxy : NSObject
 +(LSApplicationProxy*)applicationProxyForIdentifier:(NSString*)appid;
 -(NSString*)applicationIdentifier;
--(LSApplicationState*)appState;
+-(_LSApplicationState*)appState;
 -(NSURL*)bundleURL;
 -(NSURL*)containerURL;
 -(NSDate*)registeredDate;
@@ -144,6 +144,7 @@
 - (BOOL) installApplication:(id)application withOptions:(id)options;
 - (BOOL) _LSPrivateRebuildApplicationDatabasesForSystemApps:(BOOL)system internal:(BOOL)internal user:(BOOL)user;
 - (NSArray<LSApplicationProxy*>*) allApplications;
+- (NSArray<NSString*>*) installedApplications;
 @end
 
 @interface MCMAppDataContainer
@@ -175,11 +176,41 @@ static Class $LSApplicationWorkspace;
 LSApplicationWorkspace *workspace;
 static bool force;
 
+NSArray *getAllApplications()
+{
+    LSApplicationWorkspace *w = workspace ?: [LSApplicationWorkspace defaultWorkspace];
+    if ([w respondsToSelector:@selector(allApplications)])
+        return [w allApplications];
+    else if ([w respondsToSelector:@selector(installedApplications)]) {
+        NSMutableArray *apps = [NSMutableArray array];
+        for (NSString *applicationIdentifier in [w installedApplications]) {
+            [apps addObject:[LSApplicationProxy applicationProxyForIdentifier:applicationIdentifier]];
+        }
+        return apps;
+    }
+    fprintf(stderr, "Error: This iOS version doesn't support listing all applications\n");
+    return [NSArray array];
+}
+
+const char *getFileSystemRepresentation(NSURL *url)
+{
+    if ([url respondsToSelector:@selector(fileSystemRepresentation)])
+        return [url fileSystemRepresentation];
+    void *buffer = malloc(0x400);
+    if (buffer) {
+        UInt8 *data = (UInt8 *)[NSData dataWithBytesNoCopy:buffer length:0x400].bytes;
+        if (CFURLGetFileSystemRepresentation((__bridge CFURLRef)url, true, data, 0x400))
+            return (const char *)buffer;
+        free(buffer);
+    }
+    return "";
+}
+
 int list_all_apps(void)
 {
-    NSArray *allApps = [[LSApplicationWorkspace defaultWorkspace] allApplications];
+    NSArray *allApps = getAllApplications();
     for (LSApplicationProxy *app in allApps) {
-        printf("%s : %s\n", [[app applicationIdentifier] UTF8String], [[app bundleURL] fileSystemRepresentation]);
+        printf("%s : %s\n", [[app applicationIdentifier] UTF8String], getFileSystemRepresentation([app bundleURL]));
     }
     return 0;
 }
@@ -189,15 +220,20 @@ int list_app(NSString *appid) {
         return 1;
     }
     LSApplicationProxy *app = [LSApplicationProxy applicationProxyForIdentifier:appid];
-    LSApplicationState *appState = [app appState];
-    if (![appState isValid]) {
-        fprintf(stderr, "Invalid appID provided: %s\n", appid.UTF8String);
-        return 1;
+    _LSApplicationState *appState = nil;
+    BOOL hasAppState = [app respondsToSelector:@selector(appState)];
+    if (hasAppState) {
+        appState = [app appState];
+        if (![appState isValid]) {
+            fprintf(stderr, "Invalid appID provided: %s\n", appid.UTF8String);
+            return 1;
+        }
     }
     printf("Information for %s\n", appid.UTF8String);
-    printf("State: %s\n", [[appState description] UTF8String]);
-    printf("Path: %s\n", [[app bundleURL] fileSystemRepresentation]);
-    printf("Container Path: %s\n", [[app containerURL] fileSystemRepresentation]);
+    if (hasAppState)
+        printf("State: %s\n", [[appState description] UTF8String]);
+    printf("Path: %s\n", getFileSystemRepresentation([app bundleURL]));
+    printf("Container Path: %s\n", getFileSystemRepresentation([app containerURL]));
     return 0;
 }
 
@@ -218,7 +254,7 @@ bool appIsRegistered(NSString *path)
     @autoreleasepool {
         path = getAppPath(path);
         if (!path) return false;
-        for (LSApplicationProxy *app in [workspace allApplications]) {
+        for (LSApplicationProxy *app in getAllApplications()) {
             if ([path isEqualToString:[[app bundleURL] path]]) return true;
         }
         return false;
@@ -235,7 +271,7 @@ bool unregisterPath(NSString *path)
             LSApplicationProxy *app = [LSApplicationProxy applicationProxyForIdentifier:path];
             if (app) {
                 url = [app bundleURL];
-                if (verbose) fprintf(stderr, "Resolved bundle ID %s to path %s\n", path.UTF8String, [url fileSystemRepresentation]);
+                if (verbose) fprintf(stderr, "Resolved bundle ID %s to path %s\n", path.UTF8String, getFileSystemRepresentation(url));
                 path = [url path]; 
             }
         } else {
@@ -586,7 +622,7 @@ int optimized_uicache(void) {
     NSMutableArray *cleanup = [NSMutableArray new];
     NSMutableArray *finds = [NSMutableArray new];
     if (verbose>1) fprintf(stderr, "Enumerating apps\n");
-    for (LSApplicationProxy *app in [workspace allApplications]) {
+    for (LSApplicationProxy *app in getAllApplications()) {
         NSString *path = [[app bundleURL] path];
         if (![path hasPrefix:@"/Applications/"]) continue;
         if (verbose>1) fprintf(stderr, "Checking %s\n", path.lastPathComponent.UTF8String);
-- 
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