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Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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data_reg is unnecessarily long name and it always has to be
wrapped by another data node. This will allow us to represent
data not only as registers if needed.
Get rid of 'cmpdata' and 'immediatedata' too and use 'data'
instead to wrap 'reg' so these are consistent with the bitwise
expression. No reason for such specific tag per expression.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Test files without unset child element in the log expression.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It delete the cmpdata label in the structure of json and xml file.
Example of xmlfile:
The old structure of xml file:
[...]
<expr type="cmp">
<sreg>1</sreg>
<op>eq</op>
<cmpdata>
<data_reg type="value">
<len>4</len>
<data0>0x0100a8c0</data0>
</data_reg>
</cmpdata>
</expr>
The new structure of json file:
[...]
<expr type="cmp">
<sreg>1</sreg>
<op>eq</op>
<data_reg type="value">
<len>4</len>
<data0>0x0100a8c0</data0>
</data_reg>
</expr>
[...]
To generate the new testfiles, It use the option -u of nft-parsing-test
script.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch implements a string to represent directions in the CT expression:
* original (0)
* reply (1)
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When building a XML tree, only one root node can be in place. This is
a "feature" added in libmxml 2.7:
<<<
mxmlLoad... did not error out on XML with multiple root nodes (Bug #403)
>>>
In libmxml 2.6 the second root node was ignored, not because it was a
comment but a bug. Our files had two root nodes, being comments or not.
libmxml accept comments, but inside the root node.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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All testfiles are now enclosed in the corresponding top element, ie.
* XML: <nftables>...</nftables>
* JSON: {"nftables":[...]}
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This is a leftover from the time we had per rule flags, obsoleted
by the new rule batching approach. Kill it as it is unused.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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These XML files are intented to be used for automated tests. Thus, it's
important to have exactly the same output that was generated by the library.
The beautified output does not match the real output that the library provides
and it just makes things harder for us to provide a more advanced automated
testing.
If you want to make any of those file human readable, please use:
xmllint --format file.xml
or open the xml file and any browser, eg. firefox.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch changes some XML nodes with prefixes, as the example below
ilustrates.
Before:
<rule>
<rule_flags/>
<rule_family/>
<rule>
After:
<rule>
<flags>
<family>
</rule>
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When working with XML, it's desirable to work with nodes better than
attributes.
Table/chain/rules had attributes in their XML representation, and
this patch transform those to nodes, ie:
Before:
<table name="filter">
<family>ip</family>
<table_flags>0</table_flags>
</table>
After:
<table>
<name>filter</name>
<family>ip</family>
<table_flags>0</table_flags>
</table>
While at it:
* There was a lot of redundant code that is now collapsed with the
new nft_mxml_family_parse() helper function.
* I've added a small fix: additional validation for the name of
the current XML object, and also replace raw strtol calls to nft_strtoi.
* Also, all XML testfiles are updated to keep passing the parsing tests and
mantain the repo in consisten state.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes the version XML node and the version JSON field
in all our existing objects. The current versioning approach
consists of adding a version field to every object representation
in XML and JSON. While listing my entire rule-set, one can notice
that this approach is too bloated.
Once the library enters stable stage, if we need to obsolete a XML
node and a JSON field, we can follow this procedure:
1) Remove the XML node and the JSON field from the output, so fresh
outputs will not contain the old ones anymore.
2) Do not remove the parsing of the old XML node and the JSON field
inmediately. We have to keep supporting the parsing for a while
to avoid breaking the interpretion of old XML/JSON files. We can
spot a warning to warn about it, so users generate a fresh
output again.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch refresh current XML testfiles with some realworld
expressions extracted from rules. The nft instruction itself is added
as a comment for future references.
All XMl files are now indented with tabs instead of spaces. Also, a
bunch of new realworld rules with mixed expressions are added.
I used this command to get the XML formatted with tabs:
$ export XMLLINT_INDENT=$'\t'
$ xmllint --format file.xml
The xmllint tool is included in the libxml2-utils package (at least on
debian systems).
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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