back out previoius commit---wasn't intended for The Trunk
This commit is contained in:
is
parent
0edaa1c1e5
commit
4ce26afebe
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: rarpd.c,v 1.14 1997/03/10 19:18:42 is Exp $ */
|
||||
/* $NetBSD: rarpd.c,v 1.15 1997/03/10 19:26:23 is Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1990 The Regents of the University of California.
|
||||
@ -27,7 +27,7 @@ char copyright[] =
|
||||
#endif /* not lint */
|
||||
|
||||
#ifndef lint
|
||||
static char rcsid[] = "$NetBSD: rarpd.c,v 1.14 1997/03/10 19:18:42 is Exp $";
|
||||
static char rcsid[] = "$NetBSD: rarpd.c,v 1.15 1997/03/10 19:26:23 is Exp $";
|
||||
#endif
|
||||
|
||||
|
||||
@ -51,16 +51,9 @@ static char rcsid[] = "$NetBSD: rarpd.c,v 1.14 1997/03/10 19:18:42 is Exp $";
|
||||
#include <sys/ioctl.h>
|
||||
#include <net/if.h>
|
||||
#include <net/if_dl.h>
|
||||
#ifdef __NetBSD__
|
||||
#include <net/if_ether.h>
|
||||
#endif
|
||||
#include <net/if_types.h>
|
||||
#include <netinet/in.h>
|
||||
#ifdef __NetBSD__
|
||||
#include <netinet/if_inarp.h>
|
||||
#else
|
||||
#include <netinet/if_ether.h>
|
||||
#endif
|
||||
#include <sys/errno.h>
|
||||
#include <sys/file.h>
|
||||
#include <netdb.h>
|
||||
@ -305,9 +298,7 @@ rarp_open(device)
|
||||
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, ETHERTYPE_REVARP, 0, 3),
|
||||
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 20),
|
||||
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, ARPOP_REVREQUEST, 0, 1),
|
||||
BPF_STMT(BPF_RET | BPF_K,
|
||||
sizeof(struct arphdr) +
|
||||
2 * ETHER_ADDR_LEN + 2 * sizeof(struct in_addr) +
|
||||
BPF_STMT(BPF_RET | BPF_K, sizeof(struct ether_arp) +
|
||||
sizeof(struct ether_header)),
|
||||
BPF_STMT(BPF_RET | BPF_K, 0),
|
||||
};
|
||||
@ -356,11 +347,7 @@ rarp_check(p, len)
|
||||
int len;
|
||||
{
|
||||
struct ether_header *ep = (struct ether_header *) p;
|
||||
#ifdef __NetBSD__
|
||||
struct arphdr *ap = (struct arphdr *) (p + sizeof(*ep));
|
||||
#else
|
||||
struct ether_arp *ap = (struct ether_arp *) (p + sizeof(*ep));
|
||||
#endif
|
||||
|
||||
(void) debug("got a packet");
|
||||
|
||||
@ -368,13 +355,6 @@ rarp_check(p, len)
|
||||
err(NONFATAL, "truncated request");
|
||||
return 0;
|
||||
}
|
||||
#ifdef __NetBSD__
|
||||
/* now that we know the fixed part of the ARP hdr is there: */
|
||||
if (len < sizeof(*ap) + 2 * ap->ar_hln + 2 * ap->ar_pln) {
|
||||
err(NONFATAL, "truncated request");
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
/* XXX This test might be better off broken out... */
|
||||
#ifdef __FreeBSD__
|
||||
/* BPF (incorrectly) returns this in host order. */
|
||||
@ -382,33 +362,18 @@ rarp_check(p, len)
|
||||
#else
|
||||
if (ntohs (ep->ether_type) != ETHERTYPE_REVARP ||
|
||||
#endif
|
||||
#ifdef __NetBSD__
|
||||
ntohs (ap->ar_hrd) != ARPHRD_ETHER ||
|
||||
ntohs (ap->ar_op) != ARPOP_REVREQUEST ||
|
||||
ntohs (ap->ar_pro) != ETHERTYPE_IP ||
|
||||
ap->ar_hln != 6 || ap->ar_pln != 4) {
|
||||
#else
|
||||
ntohs (ap->arp_hrd) != ARPHRD_ETHER ||
|
||||
ntohs (ap->arp_op) != ARPOP_REVREQUEST ||
|
||||
ntohs (ap->arp_pro) != ETHERTYPE_IP ||
|
||||
ap->arp_hln != 6 || ap->arp_pln != 4) {
|
||||
#endif
|
||||
err(NONFATAL, "request fails sanity check");
|
||||
return 0;
|
||||
}
|
||||
#ifdef __NetBSD__
|
||||
if (bcmp((char *) &ep->ether_shost, ar_sha(ap), 6) != 0) {
|
||||
#else
|
||||
if (bcmp((char *) &ep->ether_shost, ap->arp_sha, 6) != 0) {
|
||||
#endif
|
||||
if (bcmp((char *) &ep->ether_shost, (char *) &ap->arp_sha, 6) != 0) {
|
||||
err(NONFATAL, "ether/arp sender address mismatch");
|
||||
return 0;
|
||||
}
|
||||
#ifdef __NetBSD__
|
||||
if (bcmp(ar_sha(ap), ar_tha(ap), 6) != 0) {
|
||||
#else
|
||||
if (bcmp((char *) &ap->arp_sha, (char *) &ap->arp_tha, 6) != 0) {
|
||||
#endif
|
||||
err(NONFATAL, "ether/arp target address mismatch");
|
||||
return 0;
|
||||
}
|
||||
@ -758,19 +723,10 @@ rarp_reply(ii, ep, ipaddr)
|
||||
u_long ipaddr;
|
||||
{
|
||||
int n;
|
||||
#ifdef __NetBSD__
|
||||
struct arphdr *ap = (struct arphdr *) (ep + 1);
|
||||
#else
|
||||
struct ether_arp *ap = (struct ether_arp *) (ep + 1);
|
||||
#endif
|
||||
|
||||
int len;
|
||||
|
||||
#ifdef __NetBSD__
|
||||
update_arptab(ar_sha(ap), ipaddr);
|
||||
#else
|
||||
update_arptab((u_char *) & ap->arp_sha, ipaddr);
|
||||
#endif
|
||||
|
||||
/* Build the rarp reply by modifying the rarp request in place. */
|
||||
#ifdef __FreeBSD__
|
||||
@ -779,22 +735,6 @@ rarp_reply(ii, ep, ipaddr)
|
||||
#else
|
||||
ep->ether_type = htons(ETHERTYPE_REVARP);
|
||||
#endif
|
||||
#ifdef __NetBSD__
|
||||
ap->ar_hrd = htons(ARPHRD_ETHER);
|
||||
ap->ar_pro = htons(ETHERTYPE_IP);
|
||||
ap->ar_op = htons(ARPOP_REVREPLY);
|
||||
|
||||
bcopy(ar_sha(ap), (char *) &ep->ether_dhost, 6);
|
||||
bcopy((char *) ii->ii_eaddr, (char *) &ep->ether_shost, 6);
|
||||
bcopy((char *) ii->ii_eaddr, ar_sha(ap), 6);
|
||||
|
||||
bcopy((char *) &ipaddr, ar_tpa(ap), 4);
|
||||
/* Target hardware is unchanged. */
|
||||
bcopy((char *) &ii->ii_ipaddr, ar_spa(ap), 4);
|
||||
|
||||
len = sizeof(*ep) + sizeof(*ap) +
|
||||
2 * ap->ar_pln + 2 * ap->ar_hln;
|
||||
#else
|
||||
ap->ea_hdr.ar_hrd = htons(ARPHRD_ETHER);
|
||||
ap->ea_hdr.ar_pro = htons(ETHERTYPE_IP);
|
||||
ap->arp_op = htons(ARPOP_REVREPLY);
|
||||
@ -808,8 +748,6 @@ rarp_reply(ii, ep, ipaddr)
|
||||
bcopy((char *) &ii->ii_ipaddr, (char *) ap->arp_spa, 4);
|
||||
|
||||
len = sizeof(*ep) + sizeof(*ap);
|
||||
#endif
|
||||
|
||||
n = write(ii->ii_fd, (char *) ep, len);
|
||||
if (n != len) {
|
||||
err(NONFATAL, "write: only %d of %d bytes written", n, len);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user