Recursively fix /var/jb/var/mobile permissions on userspace reboots a…

…nd rejailbreaks
wwg135 · May 4, 2024 · 7e03d20 · 7e03d20
1 parent 1ecd950
commit 7e03d20
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Showing 4 changed files with 32 additions and 13 deletions.
diff --git a/Application/Dopamine/Jailbreak/DOBootstrapper.m b/Application/Dopamine/Jailbreak/DOBootstrapper.m
@@ -525,19 +525,7 @@ - (void)prepareBootstrapWithCompletion:(void (^)(NSError *))completion
             [[NSFileManager defaultManager] createDirectoryAtPath:mobilePreferencesPath withIntermediateDirectories:YES attributes:attributes error:nil];
         }
 
-        // Dopamine 2.0 - 2.0.4 would bootstrap with wrong permissions
-        // Try to detect and fix it
-        NSString *mobilePath = NSJBRootPath(@"/var/mobile");
-        struct stat s;
-        stat(mobilePath.fileSystemRepresentation, &s);
-        if (s.st_uid != 501 || s.st_gid != 501) {
-            chown(mobilePath.fileSystemRepresentation, 501, 501);
-            NSURL *mobileURL = [NSURL fileURLWithPath:mobilePath];
-            NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtURL:mobileURL includingPropertiesForKeys:nil options:0 errorHandler:nil];
-            for (NSURL *fileURL in enumerator) {
-                chown(fileURL.fileSystemRepresentation, 501, 501);
-            }
-        }
+        JBFixMobilePermissions();
 
         completion(nil);
     };

diff --git a/BaseBin/launchdhook/src/update.m b/BaseBin/launchdhook/src/update.m
@@ -202,4 +202,6 @@ void jbupdate_finalize_stage2(const char *prevVersion, const char *newVersion)
 		arm64_kcall_init();
 #endif
 	}
+
+	JBFixMobilePermissions();
 }
diff --git a/BaseBin/libjailbreak/src/util.h b/BaseBin/libjailbreak/src/util.h
@@ -80,4 +80,6 @@ NSString *NSJBRootPath(NSString *relativePath);
 NSString *NSPrebootUUIDPath(NSString *relativePath);
 #endif
 
+void JBFixMobilePermissions(void);
+
 #endif
diff --git a/BaseBin/libjailbreak/src/util.m b/BaseBin/libjailbreak/src/util.m
@@ -14,4 +14,31 @@
 	@autoreleasepool {
 		return [NSString stringWithUTF8String:prebootUUIDPath(relativePath.UTF8String)];
 	}
+}
+
+void JBFixMobilePermissions(void)
+{
+	@autoreleasepool {
+		struct stat s;
+
+		// Anything in /var/mobile should owned by mobile...
+		// For some reason some packages seem to fuck this up, so we automatically fix it every userspace reboot and on rejailbreak
+		NSString *mobilePath = NSJBRootPath(@"/var/mobile");
+		NSURL *mobileURL = [NSURL fileURLWithPath:mobilePath];
+
+		if (stat(mobileURL.fileSystemRepresentation, &s) == 0) {
+			if (s.st_uid != 501 || s.st_gid != 501) {
+				chown(mobileURL.fileSystemRepresentation, 501, 501);
+			}
+		}
+
+		NSDirectoryEnumerator *enumerator = [[NSFileManager defaultManager] enumeratorAtURL:mobileURL includingPropertiesForKeys:nil options:0 errorHandler:nil];
+		for (NSURL *fileURL in enumerator) {
+			if (stat(fileURL.fileSystemRepresentation, &s) == 0) {
+				if (s.st_uid != 501 || s.st_gid != 501) {
+					chown(fileURL.fileSystemRepresentation, 501, 501);
+				}
+			}
+		}
+	}
 }