typedef struct dp_conf {
	int pktint;
	int interval;
	int debug;
	int bltime;
	int queue;
} dp_conf;

typedef struct dp_blacklist {
	char remoteid[256];
	int len;
	int count;
	UT_hash_handle hh;
} dp_blacklist;

static dp_blacklist *blacklists = NULL;
static time_t dp_timestamp = 0;

void       usage       (char*);
dp_conf   *load_config (dp_conf*, char*);
u_int32_t  dhcp_check  (struct nfq_data*, int*, dp_conf*);
static int dp_callback (struct nfq_q_handle*, struct nfgenmsg*, struct nfq_data*, void*);
void       nfq_start   (dp_conf*);
void       dp_blacklist_count (dp_conf*, unsigned char *, int);
int        dp_blacklist_check (dp_conf*, unsigned char *, int);