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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - iptables-extensions man page misleading for --to"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1707#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - iptables-extensions man page misleading for --to"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1707">bug 1707</a>
from <span class="vcard"><a class="email" href="mailto:phil@nwl.cc" title="Phil Sutter <phil@nwl.cc>"> <span class="fn">Phil Sutter</span></a>
</span></b>
<pre>(In reply to Pablo Neira Ayuso from <a href="show_bug.cgi?id=1707#c2">comment #2</a>)
<span class="quote">> (In reply to Phil Sutter from <a href="show_bug.cgi?id=1707#c1">comment #1</a>)
> > Pablo, am I on the right track? Could you please review?
>
> According to the code:
> </span >
[...]
<span class="quote">> ret = textsearch_find(config, &state);
> return (ret <= to - from ? ret : UINT_MAX); </span >
[...]
<span class="quote">> commit f72b948dcbb8558d639214536c2ace1b0760f41d
> Author: Phil Oester <<a href="mailto:kernel@linuxace.com">kernel@linuxace.com</a>>
> Date: Mon Jun 26 00:00:57 2006 -0700
>
> [NET]: skb_find_text ignores to argument</span >
Ah, thanks for digging this up! IIUC, it merely asserts the start of the
matching string lies within the given boundaries, it may still extend to past
the end.
Is my interpretation about skb_seq_read() right though and specifying a too
narrow range could lead to a false negative? In other words, does 'from - to'
have to include the pattern's length?</pre>
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