40 lines
897 B
C
40 lines
897 B
C
/* arp/arp.h */
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#ifndef ARP_H_
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#define ARP_H_
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <arpa/inet.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <netpacket/packet.h>
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#include <netinet/ether.h>
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#define DEBUG
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/* Sends an ARP request
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sockfd is the file descriptor of the socket to use to send the
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frame, should be a raw socket (AF_PACKET), which accepts ARP
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(ETH_P_ALL or ETH_P_ARP)
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ifindex is the index of the network interface
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ipaddr is the source IP address
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macaddr is the source MAC address
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target_ip is the IP address to be queried via ARP
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The function returns 0 upon success, EXIT_FAILURE otherwise.
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*/
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int send_arp_request(int sockfd, int ifindex, struct sockaddr_in *ipaddr, unsigned char *macaddr, struct in_addr target_ip);
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#endif /* ARP_H_ */
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