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arp.c (26119) arp.c (31183)
1/*
1/*
2 * arp.c (C) 1995 Darren Reed
2 * arp.c (C) 1995-1997 Darren Reed
3 *
3 *
4 * The author provides this program as-is, with no gaurantee for its
5 * suitability for any specific purpose. The author takes no responsibility
6 * for the misuse/abuse of this program and provides it for the sole purpose
7 * of testing packet filter policies. This file maybe distributed freely
8 * providing it is not modified and that this notice remains in tact.
4 * Redistribution and use in source and binary forms are permitted
5 * provided that this notice is preserved and due credit is given
6 * to the original author and the contributors.
9 */
7 */
10#if !defined(lint) && defined(LIBC_SCCS)
11static char sccsid[] = "@(#)arp.c 1.4 1/11/96 (C)1995 Darren Reed";
8#if !defined(lint)
9static const char sccsid[] = "@(#)arp.c 1.4 1/11/96 (C)1995 Darren Reed";
10static const char rcsid[] = "@(#)$Id: arp.c,v 2.0.2.6 1997/09/28 07:13:25 darrenr Exp $";
12#endif
13#include <stdio.h>
14#include <errno.h>
15#include <sys/types.h>
16#include <sys/socket.h>
11#endif
12#include <stdio.h>
13#include <errno.h>
14#include <sys/types.h>
15#include <sys/socket.h>
16#if !defined(ultrix) && !defined(hpux)
17#include <sys/sockio.h>
17#include <sys/sockio.h>
18#endif
18#include <sys/ioctl.h>
19#include <netdb.h>
20#include <netinet/in.h>
21#include <net/if.h>
19#include <sys/ioctl.h>
20#include <netdb.h>
21#include <netinet/in.h>
22#include <net/if.h>
23#ifndef ultrix
22#include <net/if_arp.h>
24#include <net/if_arp.h>
25#endif
23#include <netinet/in.h>
24#include <netinet/ip_var.h>
25#include <netinet/tcp.h>
26#include "ipsend.h"
27
28
29/*
30 * lookup host and return

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72 bcopy(ethersave, ether, 6);
73 return 0;
74 }
75 fd = -1;
76 bzero((char *)&ar, sizeof(ar));
77 sin = (struct sockaddr_in *)&ar.arp_pa;
78 sin->sin_family = AF_INET;
79 bcopy(ip, (char *)&sin->sin_addr.s_addr, 4);
26#include <netinet/in.h>
27#include <netinet/ip_var.h>
28#include <netinet/tcp.h>
29#include "ipsend.h"
30
31
32/*
33 * lookup host and return

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75 bcopy(ethersave, ether, 6);
76 return 0;
77 }
78 fd = -1;
79 bzero((char *)&ar, sizeof(ar));
80 sin = (struct sockaddr_in *)&ar.arp_pa;
81 sin->sin_family = AF_INET;
82 bcopy(ip, (char *)&sin->sin_addr.s_addr, 4);
83#ifndef hpux
80 if ((hp = gethostbyaddr(ip, 4, AF_INET)))
81 if (!(ether_hostton(hp->h_name, ether)))
82 goto savearp;
84 if ((hp = gethostbyaddr(ip, 4, AF_INET)))
85 if (!(ether_hostton(hp->h_name, ether)))
86 goto savearp;
87#endif
83
84 if (sfd == -1)
85 if ((sfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
86 {
87 perror("arp: socket");
88 return -1;
89 }
90tryagain:

--- 27 unchanged lines hidden --- 		88
89 if (sfd == -1)
90 if ((sfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1)
91 {
92 perror("arp: socket");
93 return -1;
94 }
95tryagain:

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