| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch moves common XML string parsing code to nft_mxml_str_parse().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Put this code on a diet by using the new helper function nft_mxml_num_parse.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch moves common XML parsing code to nft_mxml_num_parse().
To handle this, the nft_strtoi() helper fuction is included.
I've changed some MXML_DESCEND[_FIRST] flags to avoid match a nested node under
some circumstances, ie, matching two nodes with the same name that are descendant.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Merge common checking for attribute set in nft_rule_expr_get.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes the default case in nft_*_attr_unset, thus, the
compiler will spot a warning if we add a new attribute in the future
and you forget to handle it.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The functions nft_*_attr_is_set() is doing no modification
so it is possible to type it to const.
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This program can insert a rule after a rule given by
its handle.
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for position attribute which can be used
to insert a rule at a given position.
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch refactors the getter code to simplify it. The default
cases have been removed so gcc will spot a warning if an attribute
is not handled appropriately.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So far, it was only possible to create base chains. This patch
allows you to create custom chains as well.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So far, it was restricted to AF_INET.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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While at it, convert all examples to use NFPROTO_*.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Netfilter uses family number 3 for ARP since AF_ARP does not
exists.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In (74ccff7 chain: json: use string to identify policy), the
json support for chain was unintentionally swapping the table
name and the family.
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This redefines the meaning of nft_*_list_add to prepend, before this
patch it was appending, which was semantically wrong.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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* if we don't have hooknum we don't need to print the policy tag
* If we have hooknum, i have used the policy2str function for printing the policy with
"accept" string or "drop" string
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In (bf39c53 set: add json output), the json support for sets was
incomplete:
* version, family, key_type, key_len, data_type, data_len were not included.
* Now I use nft_data_reg_snprintf for printing the key and data
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Set missing data length via getter, otherwise it returns zero.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This functions check if a given nft_*_list is empty or not.
I found this quite useful while working with a full ruleset.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Get it in sync with the current kernel tree.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Instead of manual array registration.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Thus, automodule loading was not working.
While at it, apply not so relevant comestic cleanups and fix some
inconsistencies between examples.
* Fix copyright header, this is code heavily based on existing
nft-*-add examples.
* Remove unrequired extern struct nft_table definition.
* Make sure we close file descriptor once we don't need it anymore.
* Remove unrequired casting.
* Remove comment that provides nothing interesting.
I considered a patch to address each on those was too much burden.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch fixes an accidental swapping of the dreg and length
payload fields.
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Remove it from the example files, we don't need it. There is no explicit
reference to any of the libmxml functions in those files, so the linker
does not need that library.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In (f95e859 src: improve default text output), it assumes all bases
are network, but we may have link and transport as well.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Fix missing length, it was not being exported in XML.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@soleta.eu>
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This patch adds XML output for sets.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Move common code for XML parsing of data_reg to the new
nft_mxml_data_reg_parse function.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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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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This patch allows you to dump set and their content in json format.
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Before:
ip filter output 41
[ payload load 1b @ network header + 9 => reg 1 ]
[ cmp eq reg 1 ]
Now:
ip filter output 41
[ payload load 1b @ network header + 9 => reg 1 ]
[ cmp eq reg 1 0x00000006 ]
^^^^^^^^^^
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch improves default plain text output by mimicing the
default output of libnl-nft.
While at it, several %lu has been translated to use %"PRIu64"
for correctness.
[ I have added the policy to string translation --pablo ]
Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Since (d844fa0 src: consolidate XML parsing of expressions via
nft_mxml_expr_parse), the library was not compiling with XML support
anymore.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch reduces the XML code in 100 LOC.
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Move common code for XML parsing of expressions to the new
nft_mxml_expr_parse function.
This patch reduces the XML parsing code in 300 LOC.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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By specifying 'json' as first parameter.
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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While at it, order possible switch cases of _snprintf.
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch add a testbench for XML parsing, which may be extended
to test JSON as well.
To use it:
$ cd test/
$ make nft-parsing-test
$ ./nft-parsing-test xmlfiles/
This testbench supersedes old .sh test scripts, so they are deleted.
[ I have mangled this patch to rename/mangle files, to colorize the
test output and not to compile XML inconditionally --pablo ]
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 renames the <type> node in the exthdr expr to <exthdr_type>.
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 renames the node <type> to a more explicit <nat_type>.
This will prevent in the future from confusing other <type> nodes from other exprs.
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 fix the buffer offset necesary to print correctly the nat expr in a default output mode.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use a string for <key> node instead of a number.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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