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fr_check_wrapper: as ipf modifies application data as well when 

doing application proxy, it's needed to ensure that the whole packet
is writable here.
This commit is contained in:
yamt 2004-09-06 10:46:02 +00:00
parent 056303b850
commit d676f9e5b0
1 changed files with 2 additions and 3 deletions
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5
sys/netinet/ip_fil_netbsd.c
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@ -1,4 +1,4 @@
/* $NetBSD: ip_fil_netbsd.c,v 1.15 2004/09/06 10:00:43 yamt Exp $ */
/* $NetBSD: ip_fil_netbsd.c,v 1.16 2004/09/06 10:46:02 yamt Exp $ */
/*
* Copyright (C) 1993-2003 by Darren Reed.
@ -132,10 +132,9 @@ int dir;
/*
* ensure that mbufs are writable beforehand
* as it's assumed by ipf code.
* ip hdr (60 bytes) + tcp hdr (60 bytes) should be enough.
* XXX inefficient
*/
error = m_makewritable(mp, 0, 60 + 60, M_DONTWAIT);
error = m_makewritable(mp, 0, M_COPYALL, M_DONTWAIT);
if (error) {
m_freem(*mp);
*mp = NULL;