Files
ndhc/ndhc/leases.h
Nicholas J. Kain 7a09ba2cf7 Initial commit.
2010-11-12 04:02:18 -05:00

25 lines
665 B
C

/* leases.h */
#ifndef _LEASES_H
#define _LEASES_H
struct dhcpOfferedAddr {
uint8_t chaddr[16];
uint32_t yiaddr; /* network order */
uint32_t expires; /* host order */
};
extern unsigned char blank_chaddr[];
void clear_lease(uint8_t *chaddr, uint32_t yiaddr);
struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
int lease_expired(struct dhcpOfferedAddr *lease);
struct dhcpOfferedAddr *oldest_expired_lease(void);
struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr);
struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
uint32_t find_address(int check_expired);
int check_ip(uint32_t addr);
#endif