Date: Fri, 13 Nov 1998 17:09:16 -0500 From: "Christopher N . Harrell" <cnh@eng.mindspring.net> To: freebsd-hackers@FreeBSD.ORG Subject: Re: corruption of large packets using skip on FreeBSD 2.2-STABLE Message-ID: <19981113170916.B15914@eng.mindspring.net>
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Christopher N . Harrell wrote:
>
> I'm sure we've overlooking something, but we've been mulling over this for days now
> without any luck at all. Any insight would be appreciated.
Here's the fix:
[ttyp1 cnh@bar]% for i in *.orig; do echo ${i%%.orig}; diff $i ${i%%.orig};
done /usr/ports/security/skip/work/skip/freebsd
skip_es.c
1769c1769
< m->m_flags &= ~ M_EOR;
---
> m->m_flags &= ~ M_PROTO1;
2233c2233
< outbuf->m_flags |= M_EOR | M_PKTHDR;
---
> outbuf->m_flags |= M_PROTO1 | M_PKTHDR;
skip_if.h
107c107
< #define SKIP_DECRYPTED(m) ((m)->m_flags & M_EOR)
---
> #define SKIP_DECRYPTED(m) ((m)->m_flags & M_PROTO1)
We believe that skip's use of M_EOR was being misinterpreted by something else.
It *looks* like M_PROTO1 is a protocol specific flag and can be used safely in
this way, but this could very well break something else; Use with caution.
cheers,
Christopher
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