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drop too short IPv6 frame

This commit is contained in:
itojun 2002-06-13 05:10:34 +00:00
parent a8dde3fa57
commit 00f97b0202
1 changed files with 13 additions and 12 deletions
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25
sys/net/if_gif.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_gif.c,v 1.40 2002/03/26 16:05:03 christos Exp $ */
/* $NetBSD: if_gif.c,v 1.41 2002/06/13 05:10:34 itojun Exp $ */
/* $KAME: if_gif.c,v 1.76 2001/08/20 02:01:02 kjc Exp $ */
/*
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.40 2002/03/26 16:05:03 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_gif.c,v 1.41 2002/06/13 05:10:34 itojun Exp $");
#include "opt_inet.h"
#include "opt_iso.h"
@ -251,6 +251,8 @@ gif_encapcheck(m, off, proto, arg)
#endif
#ifdef INET6
case 6:
if (m->m_pkthdr.len < sizeof(struct ip6_hdr))
return 0;
if (sc->gif_psrc->sa_family != AF_INET6 ||
sc->gif_pdst->sa_family != AF_INET6)
return 0;
@ -539,6 +541,9 @@ gif_ioctl(ifp, cmd, data)
struct ifreq *ifr = (struct ifreq*)data;
int error = 0, size;
struct sockaddr *dst, *src;
#ifdef SIOCSIFMTU
u_long mtu;
#endif
switch (cmd) {
case SIOCSIFADDR:
@ -572,16 +577,12 @@ gif_ioctl(ifp, cmd, data)
break;
case SIOCSIFMTU:
{
u_long mtu;
if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
break;
mtu = ifr->ifr_mtu;
if (mtu < GIF_MTU_MIN || mtu > GIF_MTU_MAX) {
return (EINVAL);
}
ifp->if_mtu = mtu;
}
if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
break;
mtu = ifr->ifr_mtu;
if (mtu < GIF_MTU_MIN || mtu > GIF_MTU_MAX)
return (EINVAL);
ifp->if_mtu = mtu;
break;
#endif /* SIOCSIFMTU */