Method IsInterfaceUp

cpp/shared/network_util.cpp:22–35

using namespace std;

bool network_util::IsInterfaceUp(const string& interface)
{
	ifreq ifr = {};
    strncpy(ifr.ifr_name, interface.c_str(), IFNAMSIZ - 1); //NOSONAR Using strncpy is safe
	const int fd = socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP);

	if (!ioctl(fd, SIOCGIFFLAGS, &ifr) && (ifr.ifr_flags & IFF_UP)) {
	    close(fd);
    	return true;
    }

    close(fd);
    return false;
}

set<string, less<>> network_util::GetNetworkInterfaces()
{