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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - cat foo.nft | nft -f - produces syntax error not seen with nft -f foo.nft"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1354">1354</a>
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<th>Summary</th>
<td>cat foo.nft | nft -f - produces syntax error not seen with nft -f foo.nft
</td>
</tr>
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<th>Product</th>
<td>nftables
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>x86_64
</td>
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<th>OS</th>
<td>Debian GNU/Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P5
</td>
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<th>Component</th>
<td>nft
</td>
</tr>
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<th>Assignee</th>
<td>pablo@netfilter.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jonas@zombofant.net
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=565" name="attach_565" title="File reproducing the issue">attachment 565</a> <a href="attachment.cgi?id=565&action=edit" title="File reproducing the issue">[details]</a></span>
File reproducing the issue
root is not needed to reproduce this.
How to reproduce:
1. Download the attached file
2. Execute cat foo.nft | nft -f -
3. Execute nft -f foo.nft
I expect both commands to behave exactly the same, given that the inputs are
exactly the same (just delivered through a different mechanism).
However, cat foo.nft | nft -f - produces an error message:
/dev/stdin:819:5-10: Error: syntax error, unexpected string
nft -f foo.nft works.
I dug further into this with other examples, and it looks to me as if -f - eats
single bytes from the input before they reach the parser. I don't have an
example at hand which reproduces this though.
(The example file is obviously contrived to reproduce the bug.)</pre>
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</p>
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