25 lines
676 B
C
25 lines
676 B
C
/* leases.h */
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#ifndef _LEASES_H
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#define _LEASES_H
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struct dhcpOfferedAddr {
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u_int8_t chaddr[16];
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u_int32_t yiaddr; /* network order */
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u_int32_t expires; /* host order */
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};
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extern unsigned char blank_chaddr[];
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void clear_lease(u_int8_t *chaddr, u_int32_t yiaddr);
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struct dhcpOfferedAddr *add_lease(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease);
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int lease_expired(struct dhcpOfferedAddr *lease);
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struct dhcpOfferedAddr *oldest_expired_lease(void);
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struct dhcpOfferedAddr *find_lease_by_chaddr(u_int8_t *chaddr);
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struct dhcpOfferedAddr *find_lease_by_yiaddr(u_int32_t yiaddr);
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u_int32_t find_address(int check_expired);
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int check_ip(u_int32_t addr);
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#endif
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