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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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