Exemple #1
0
int main(int argc, char **argv){
	int dhcp_socket;
	int result;

	if(process_arguments(argc,argv)!=OK){
		/*usage("Invalid command arguments supplied\n");*/
		printf("Invalid command arguments supplied\n");
		exit(STATE_UNKNOWN);
	        }


	/* create socket for DHCP communications */
	dhcp_socket=create_dhcp_socket();

	/* get hardware address of client machine */
	get_hardware_address(dhcp_socket,network_interface_name);

	/* send DHCPDISCOVER packet */
	send_dhcp_discover(dhcp_socket);

	/* wait for a DHCPOFFER packet */
	get_dhcp_offer(dhcp_socket);

	/* close socket we created */
	close_dhcp_socket(dhcp_socket);

	/* determine state/plugin output to return */
	result=get_results();

	/* free allocated memory */
	free_dhcp_offer_list();
	free_requested_server_list();

	return result;
        }
Exemple #2
0
int main(int argc, char **argv){
	int dhcp_socket;
	int result = STATE_UNKNOWN;

	setlocale (LC_ALL, "");
	bindtextdomain (PACKAGE, LOCALEDIR);
	textdomain (PACKAGE);

	/* Parse extra opts if any */
	argv=np_extra_opts(&argc, argv, progname);

	if(process_arguments(argc,argv)!=OK){
		usage4 (_("Could not parse arguments"));
		}

	/* this plugin almost certainly needs root permissions. */
	np_warn_if_not_root();

	/* create socket for DHCP communications */
	dhcp_socket=create_dhcp_socket();

	/* get hardware address of client machine */
	if(user_specified_mac!=NULL)
		memcpy(client_hardware_address,user_specified_mac,6);
	else
		get_hardware_address(dhcp_socket,network_interface_name);

	if(unicast) /* get IP address of client machine */
		get_ip_address(dhcp_socket,network_interface_name);

	/* send DHCPDISCOVER packet */
	send_dhcp_discover(dhcp_socket);

	/* wait for a DHCPOFFER packet */
	get_dhcp_offer(dhcp_socket);

	/* close socket we created */
	close_dhcp_socket(dhcp_socket);

	/* determine state/plugin output to return */
	result=get_results();

	/* free allocated memory */
	free_dhcp_offer_list();
	free_requested_server_list();

	return result;
        }