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fixed an endian bug on fragment header scanning

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Obtained from:	KAME
This commit is contained in:
ume 2003-10-10 19:49:52 +00:00
parent 8685e5b297
commit d8181d09cf
1 changed files with 2 additions and 1 deletions
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3
sys/netinet6/ip6_input.c
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@ -1479,7 +1479,8 @@ ip6_nexthdr(m, off, proto, nxtp)
if (m->m_pkthdr.len < off + sizeof(fh))
return -1;
m_copydata(m, off, sizeof(fh), (caddr_t)&fh);
if ((ntohs(fh.ip6f_offlg) & IP6F_OFF_MASK) != 0)
/* IP6F_OFF_MASK = 0xfff8(BigEndian), 0xf8ff(LittleEndian) */
if (fh.ip6f_offlg & IP6F_OFF_MASK)
return -1;
if (nxtp)
*nxtp = fh.ip6f_nxt;