libMobileGestalt is a library that can be used to get various system values such as the UDID, disk usage, device version and much more. It is comparable to liblockdown.dylib. See also lockdownd.
MGCopyAnswer
// Common form: MGCopyAnswer(CFStringRef string);
CFStringRef value = MGCopyAnswer(kMGDeviceColor);
NSLog(@"Value: %@", value);
CFRelease(value);
MGGetBoolAnswer (iOS 7+)
// CFBooleanRef MGGetBoolAnswer(CFStringRef string);
CFBooleanRef value = MGGetBoolAnswer(CFSTR("UIProceduralWallpaperCapability"));
NSLog(@"Value: %@", (id)value);
CFRelease(value);
- Note: You are responsible for freeing the value returned by MGCopyAnswer and MGGetBoolAnswer.
References