| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch adds userspace support to nft_masq, the new expression to
perform masquerade.
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 patchs adds support for the new flags attribute in the nft_nat
expression.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
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The kernel support is add in commit:
netfilter: nf_tables: add devgroup support in meta expresion
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Keeping the full cached copy the of x_tables.h file in tree is too much
for just the XT_EXTENSION_MAXNAMELEN constant. Similarly, xt_LOG.h is not
actually required by the tests, we can use any whatever syntetic data
to make sure the setter and getter provide the same result. So, let's
get rid of these headers from the library tree.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use the nft_fprintf() helper. The helper handles \0 properly.
Before this patch, we get trash in the output due to the buffer being
printed without any \0.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add batching support so this code example works with current kernels.
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 new function parses the input arguments and generates the nft_table.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Adds batching support to this code example, so it works with current kernels.
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 fucntion parses the command line options and creates the nft_table object.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add batching support to operate with recent kernels.
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 the two examples in one. An input argument choose the format to use.
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: Ana Rey <anarey@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: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Original description from Thomas Petazzoni:
When ELF binaries and shared libraries are used, the internal
functions of libnftnl such as xfree() are not visible to the outside
world (their visibility is 'hidden'). Therefore, the fact that other
programs (especially nftables) may have symbols with the same name
does not cause any problem.
However, when doing static linking on a non-ELF platform (such as
Blackfin, which uses the FLAT binary format), there is no way of
encoding this visibility. Therefore, the xfree() symbols of libnftnl
becomes visible to the outside world, causing a conflict with the
xfree() symbol defined by nftables.
To solve this, this patch convers xfree as a macro instead of
a function.
Reported-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add batching support to operate with current kernels.
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 the two examples in one. Use an input argument to choose the
format to parse.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Let's use the proper free function to liberate the set_elem,
so we avoid potential memory leaks.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Chains are included in the batch since 3.16. Add support to delete
chains dependending on the available interface.
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 function parses the command line options and creates the nft_chain
object.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Chains are included in the batch since 3.16. Add support for adding
the chains dependending on the available interface.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This function parses the command line options and it creates the
nft_chain object.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the following new interfaces:
int nft_batch_is_supported(void);
void nft_batch_begin(char *buf, uint32_t seq);
void nft_batch_end(char *buf, uint32_t seq);
Quite likely this is going to be reused by third party applications
requiring to put things in the batch. We already have potential clients
for this code in nft and iptables-compat.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new interface allows you to put as many set elements as possible
into a netlink message. The iterator stores the last element that has
fit into a netlink message, so you can continue adding more set elements
across several netlink messages.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It uses the existing nfnl batching approach using the generic mnl
netlink message batching infrastructure.
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 adds support to select the set mechanism.
The kernel support was added in commit:
c50b960 netfilter: nf_tables: implement proper set selection
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If the kernel sends us different data length for a given attribute,
stop further processing and indicate that an ABI breakage has ocurred.
This is an example of the (hypothetical) message that is shown in that
case:
nf_tables kernel ABI is broken, contact your vendor.
table.c:214 reason: Numerical result out of range
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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In the xml parser, we have used a variable flags for parsing it
but we have forgot define it. This patch solves a compile error
like:
expr/log.c:263:12: error: 'flags' undeclared (first use in this function)
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This is required by changes scheduled for Linux kernel 3.17.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Renames some variables for code readability reasons.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add set, unset, get, parse and build payload implementation for use value.
These changes are neeeded for a correct import/export of xml/json file
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add some parts of the implemention of 'use' vualue in table that miss it.
These changes are neeeded for a correct import/export of xml/json file
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_table_attr_set_* in parse xml functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Free memory in the same function that is reserved.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Free memory in the same function that is reserved.
Signed-off-by: Ana Rey <anarey@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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It changes the parse and snprintf functions json to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and snprintf functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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functions
Code refactoring in nft_rule_expr_match_snprintf_* functions to get a
nft_rule_expr type instead of nft_expr_match type.
The nft_rule_expr type is needed to check information into flags variables.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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It changes the parse and the snprint functions to omit unset values.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Code refactoring to use nft_rule_expr_set_* in parse functions.
Signed-off-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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