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consider BPF_ABS, BPF_IND and BPF_MSH as they used to be in rev 1.37. 

this fixes dhclient, and i'm told dhcpcd as well.


this patch from skrll@netbsd.org, tested by me.
This commit is contained in:
mrg 2010-12-05 09:42:20 +00:00
parent a5ae13c90e
commit b5dcdd394e
1 changed files with 7 additions and 11 deletions
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18
sys/net/bpf_filter.c
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@ -1,4 +1,4 @@
/* $NetBSD: bpf_filter.c,v 1.39 2010/12/05 08:45:46 mrg Exp $ */
/* $NetBSD: bpf_filter.c,v 1.40 2010/12/05 09:42:20 mrg Exp $ */
/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.39 2010/12/05 08:45:46 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.40 2010/12/05 09:42:20 mrg Exp $");
#if 0
#if !(defined(lint) || defined(KERNEL))
@ -484,11 +484,7 @@ bpf_validate(const struct bpf_insn *f, int signed_len)
case BPF_LD:
case BPF_LDX:
switch (BPF_MODE(p->code)) {
case BPF_IMM:
break;
case BPF_ABS:
case BPF_IND:
case BPF_MSH:
case BPF_MEM:
/*
* There's no maximum packet data size
* in userland. The runtime packet length
@ -503,10 +499,10 @@ bpf_validate(const struct bpf_insn *f, int signed_len)
return 0;
#endif
break;
case BPF_MEM:
if (p->k >= BPF_MEMWORDS)
return 0;
break;
case BPF_ABS:
case BPF_IND:
case BPF_MSH:
case BPF_IMM:
case BPF_LEN:
break;
default: