program to dump out forbidden classes and selectors in NSPredicates

restricted.m

// dump classes and selectors forbidden in NSPredicates
// `cc -framework Foundation -o restricted restricted.m`
#import <Foundation/Foundation.h>
#import <dlfcn.h>

int main() {
    void *cf = dlopen("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation", 0);
    NSDictionary* (*RestrictedClasses)() = dlsym(cf, "_CFPredicatePolicyRestrictedClasses");
    NSDictionary* (*RestrictedSelectors)() = dlsym(cf, "_CFPredicatePolicyRestrictedSelectors");
    NSLog(@"Restricted Selectors: %@", RestrictedSelectors());
    NSLog(@"Restricted Classes: %@", RestrictedClasses());
    return 0;
}