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A few files (batch.h / common.h / set.h / udata.h) are missing the
usual.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1268
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Useful to append netlink attributes after the batch headers.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add __nftnl_nlmsg_build_hdr() so nftnl_batch_build_hdr() and
nftnl_nlmsg_build_hdr() share the same code.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This machinery was introduced to avoid sudden compilation breakage of
old nftables releases. With the upcoming release of 0.7 (and 0.6 which
is now 6 months old) this is not required anymore. Moreover, users gain
nothing from older releases since they are half-boiled and buggy.
So let's get rid of aliases now. Bump LIBVERSION and update map file.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch restores the original nft_* definitions from the header files to
avoid sudden compilation breakage of the existing clients of this library.
Then, moving forward the idea is to deprecate the old nft_* symbols anytime
soon using __attribute__((deprecated)) from the header files to warn our users
that they need to update their code.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So we can use the nft_* prefix anytime soon for our upcoming higher level
library.
After this patch, the nft_* symbols become an alias of the nftnl_* symbols.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If we try to import a ruleset in json or xml and the library was not
compile with support for those, this shows a misleading error.
To resolve this problem, this patch sets up EOPNOTSUPP by default when
we create the nft_parse_err structure.
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Currently, we can't do incremental updates via JSON/XML.
This patch enriches the existing output to indicate the kind of
update that you want to perform.
So, if we have a ruleset like:
table ip filter {
chain input {
type filter hook input priority 0;
}
}
The new output looks like:
{"nftables":[{"add":[{"table":{"name":"filter",...}}]}]}
^^^^^
Where we explicitly indicate that we want to add a table.
We support all the actions that we can do with nft, they are:
- Add, delete and flush tables and chains.
- Add, delete, replace and insert rules.
- Add and delete sets.
- Add and delete set elements.
- Flush ruleset.
You only need to add the command tag:
{"nftables":[{"delete":[{...}, {...},...}]}]}
^^^^^^^^
The possible command tags that you can use are "add", "delete", "insert",
"replace" and "flush".
- Flush table or chain, eg.:
{"nftables":[{"flush":[{"table":{"name":...}}]}]}
- Delete table, chain, set or rule:
{"nftables":[{"delete":[{"chain":{"name":...}]}]}
- Replace a rule (you have to specify the handle):
{"nftables":[{"replace":[{"rule":{...}}]}]}
- Insert a rule:
{"nftables":[{"insert":[{"rule":{...}}]}]}
Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
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 patch uses the flag option of each output function to print an
event wrapper string in each object.
In order to use this functionality, the caller must pass the
corresponding flags: NFT_OF_EVENT_NEW / NFT_OF_EVENT_DEL.
(I have slightly refactorized the original code to add the xml/json
header and footer --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 fixes:
/usr/local/include/libnftnl/common.h:25:49: error: unknown type name ‘uint16_t’
/usr/local/include/libnftnl/common.h:25:63: error: unknown type name ‘uint16_t’
/usr/local/include/libnftnl/common.h:26:10: error: unknown type name ‘uint16_t’
/usr/local/include/libnftnl/common.h:26:25: error: unknown type name ‘uint32_t’
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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We plan to use this library name for the higher layer library.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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