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<body><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> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - Cannot parse negative priorities from command line"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1083">bug 1083</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<tr>
<td style="text-align:right;">CC</td>
<td>
</td>
<td>phil@nwl.cc
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>WONTFIX
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - Cannot parse negative priorities from command line"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1083#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - Cannot parse negative priorities from command line"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1083">bug 1083</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>This happens due to how nft parses commandline options:
- First, getopt_long() is called (in main.c).
- Then, lex/yacc parses whatever remains.
The leading dash of the negative priority value is picked up by getopt, which
obviously rejects it. I think this neither can nor should be "solved".
Instead, here are two ways how to achieve what you want to do:
1) quote the whole part in curly braces (I usually do that to avoid the shell
picking up the braces by accident:
nft add chain nat prerouting '{ type nat hook prerouting priority -150; }'
2) Use '--' parameter to tell getopt it shall not parse beyond that:
nft -- add chain nat prerouting { type nat hook prerouting priority -150\; }
Since I don't think any workaround in nft is feasible (and good ways to work
around this issue exist), I'm closing this ticket. If you still think this is
an absolute must-have for you, please feel free to reopen.
Cheers, Phil</pre>
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