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This patch enables the user to specify a comment when adding a chain.
Relies on kernel space supporting userdata for chains.
> nft add table ip filter
> nft add chain ip filter input { comment "test"\; type filter hook input priority 0\; policy accept\; }
> list ruleset
table ip filter {
chain input {
comment "test"
type filter hook input priority filter; policy accept;
}
}
Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Enables specifying an optional comment when declaring named objects. The
comment is to be specified inside the object's block ({} block)
Relies on libnftnl exporting nftnl_obj_get_data and kernel space support
to store the comments.
For consistency, this patch makes the comment be printed first when
listing objects.
Adds a testcase importing all commented named objects except for secmark,
although it's supported.
Example: Adding a quota with a comment
> add table inet filter
> nft add quota inet filter q { over 1200 bytes \; comment "test_comment"\; }
> list ruleset
table inet filter {
quota q {
comment "test_comment"
over 1200 bytes
}
}
Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Adds userdata building logic if a comment is specified when creating a
new table. Adds netlink userdata parsing callback function.
Relies on kernel supporting userdata for nft_table.
Example:
> nft add table ip x { comment "test"\; }
> nft list ruleset
table ip x {
comment "test"
}
Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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For example:
define test = "state"
define foo = "match"
table x {
chain y {
ct state invalid log prefix "invalid $test $foo:"
}
}
This patch scans for variables in the log prefix string. The log prefix
expression is a list of constant and variable expression that are
converted into a constant expression from the evaluation phase.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Default not to print the service name as we discussed during the NFWS.
# nft list ruleset
table ip x {
chain y {
tcp dport 22
ip saddr 1.1.1.1
}
}
# nft -l list ruleset
table ip x {
chain y {
tcp dport ssh
ip saddr 1.1.1.1
}
}
# nft -ll list ruleset
table ip x {
chain y {
tcp dport 22
ip saddr 1dot1dot1dot1.cloudflare-dns.com
}
}
Then, -ll displays FQDN. just like the (now deprecated) --ip2name (-N)
option.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Complete the automated shell tests with the verification of
the test file dump, only for positive tests and if the test
execution was successful.
It's able to generate the dump file with the -g option.
Example:
# ./run-tests.sh -g testcases/chains/0001jumps_0
The dump files are generated in the same path in the folder named
dumps/ with .nft extension.
It has been avoided the dump verification code in every test
file.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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