SubstituteDummy.m

struct substitute_function_hook {
    void *function;
    void *replacement;
    void *old_ptr;
    int options;
};

extern void *MSGetImageByName(const char *filename) __asm__("_MSGetImageByName");;
void *SubGetImageByName(const char *filename) {
    return MSGetImageByName(filename);
}

extern void *MSFindSymbol(void *image, const char *name) __asm__("_MSFindSymbol");
void *SubFindSymbol(void *image, const char *name) {
    return MSFindSymbol(image, name);
}

extern void MSHookFunction(void *symbol, void *replace, void **result) __asm__("_MSHookFunction");
void SubHookFunction(void *symbol, void *replace, void **result) {
    MSHookFunction(symbol, replace, result);
}

extern void MSHookMessageEx(Class _class, SEL sel, IMP imp, IMP *result) __asm__("_MSHookMessageEx");
void SubHookMessageEx(Class _class, SEL sel, IMP imp, IMP *result) {
    MSHookMessageEx(_class, sel, imp, result);
}

int substitute_hook_functions(const struct substitute_function_hook *hooks, size_t nhooks, void **recordp, int options) {
    
    for (int i = 0; i < nhooks; i++) {
        MSHookFunction(hooks[i].function, (void*)hooks[i].replacement, (void*)hooks[i].old_ptr);
    }
    
    return 0;
}

int substitute_hook_objc_message(Class klass, SEL selector, void *replacement, void *old_ptr, bool *created_imp_ptr) {
    MSHookMessageEx(klass, selector, replacement, old_ptr);
    return 0;
}

Thigt

lmao that easy? why didn't coolstar do it? :)

The whole point for using libsubstitute is to make it not work on unc0ver.