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Hey, I want to retrieve the 802.1x status when a user starts 802.1x authentication so that I'll know when the user gets successfully authenticated via 802.1x. I refered the eapolclient code on apple opensource and wrote the below code but it's failing to retrieve the state. #include <CoreFoundation/CoreFoundation.h> #include <SystemConfiguration/SystemConfiguration.h> #include <iostream> #ifndef kSCEntNetEAPOL #define kSCEntNetEAPOL CFSTR("EAPOL") #endif /* kSCEntNetEAPOL */ class MyService { public: static void handleEAPOLStatusChange( SCDynamicStoreRef store, CFArrayRef changedKeys, void *context) { MyService *serviceInstance = static_cast<MyService *>(context); serviceInstance->handleEAPOLStatus(store); } void handleEAPOLStatus(SCDynamicStoreRef store) { // Function to handle EAPOL status change events CFStringRef key = createEAPOLControlAnyInterfaceKey(); CFPropertyListRef eapolStatusValue = SCDynamicStoreCopyValue(store, key); CFShow(eapolStatusValue); CFRelease(key); if (eapolStatusValue) { if (CFGetTypeID(eapolStatusValue) == CFDictionaryGetTypeID()) { CFDictionaryRef eapolStatusDict = static_cast<CFDictionaryRef>(eapolStatusValue); std::cout << "EAPOL Status Dictionary: " << std::endl; CFShow(eapolStatusDict); CFRelease(eapolStatusDict); } else { std::cerr << "Error: The retrieved value is not a dictionary." << std::endl; } CFRelease(eapolStatusValue); } else { std::cerr << "Error: Failed to get EAPOL status." << std::endl; } } void setupDynamicStore() { CFStringRef key; CFArrayRef patterns; CFRunLoopSourceRef rls; SCDynamicStoreContext context; bzero(&context, sizeof(context)); context.info = this; store_ = SCDynamicStoreCreate(NULL, CFSTR("eapolclient"), &MyService::handleEAPOLStatusChange, &context); if (store_ == NULL) { std::cerr << "SCDynamicStoreCreate() failed." << std::endl; return; } key = createEAPOLControlAnyInterfaceKey(); patterns = CFArrayCreate(NULL, (const void **)&key, 1, &kCFTypeArrayCallBacks); CFRelease(key); SCDynamicStoreSetNotificationKeys(store_, NULL, patterns); CFRelease(patterns); rls = SCDynamicStoreCreateRunLoopSource(NULL, store_, 0); CFRunLoopAddSource(CFRunLoopGetCurrent(), rls, kCFRunLoopDefaultMode); CFRelease(rls); } private: SCDynamicStoreRef store_; CFStringRef createEAPOLControlAnyInterfaceKey() { return SCDynamicStoreKeyCreateNetworkInterfaceEntity( NULL, kSCDynamicStoreDomainState, kSCCompAnyRegex, kSCEntNetEAPOL); } }; int main() { MyService myService; myService.setupDynamicStore(); CFRunLoopRun(); return 0; }