36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
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/*
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* arpping .h
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*/
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#ifndef ARPPING_H
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#define ARPPING_H
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#include <netinet/if_ether.h>
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#include <net/if_arp.h>
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#include <net/if.h>
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#include <netinet/in.h>
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struct arpMsg {
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/* Ethernet header */
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u_char h_dest[6]; /* destination ether addr */
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u_char h_source[6]; /* source ether addr */
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u_short h_proto; /* packet type ID field */
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/* ARP packet */
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uint16_t htype; /* hardware type (must be ARPHRD_ETHER) */
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uint16_t ptype; /* protocol type (must be ETH_P_IP) */
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uint8_t hlen; /* hardware address length (must be 6) */
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uint8_t plen; /* protocol address length (must be 4) */
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uint16_t operation; /* ARP opcode */
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uint8_t sHaddr[6]; /* sender's hardware address */
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uint8_t sInaddr[4]; /* sender's IP address */
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uint8_t tHaddr[6]; /* target's hardware address */
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uint8_t tInaddr[4]; /* target's IP address */
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uint8_t pad[18]; /* pad for min. Ethernet payload (60 bytes) */
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} ATTRIBUTE_PACKED;
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/* function prototypes */
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int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
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#endif
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