only skip coretrust bypass if isPlatformVulnerableToExploitType retur…

…ns 0
palera1n · Jul 21, 2024 · ee920f1 · ee920f1
1 parent d747920
commit ee920f1
Showing 1 changed file with 9 additions and 2 deletions.
diff --git a/src/universalhooks/trollstorehelper.c b/src/universalhooks/trollstorehelper.c
@@ -1,12 +1,19 @@
 #include <substrate.h>
+#include <limits.h>
+#include <stdint.h>
+
 int apply_coretrust_bypass_hook(__unused char* binaryPath) {
     return 0;
 }
 
 void trollstorehelperInit(char* executablePath) {
     MSImageRef trollstorehelper = MSGetImageByName(executablePath);
     void* apply_coretrust_bypass = MSFindSymbol(trollstorehelper, "_apply_coretrust_bypass");
-    if (apply_coretrust_bypass) {
-        MSHookFunction(apply_coretrust_bypass, apply_coretrust_bypass_hook, NULL);
+    bool (*isPlatformVulnerableToExploitType)(uint32_t) = MSFindSymbol(trollstorehelper, "_isPlatformVulnerableToExploitType");
+
+    if (isPlatformVulnerableToExploitType && apply_coretrust_bypass) {
+        if (!isPlatformVulnerableToExploitType(UINT32_MAX)) {
+            MSHookFunction(apply_coretrust_bypass, apply_coretrust_bypass_hook, NULL);
+        }
     }
 }