| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch adds support for chain flags.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The original intention in eb58f53372e7 ("src: add flowtable support")
was to introduce this helper function. Add helper to set and to get
array of strings.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Phil Sutter <phil@nwl.cc>
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These functions make assumptions on size of passed data pointer and
therefore tend to hide programming mistakes. Instead either one of the
type-specific setters or the generic *_set_data() setter should be used.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support for NFTA_HOOK_DEVS.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Extrapolating from iptables nomenclature, one would expect that "insert"
means to prepend the new item to the referenced one, not append. Change
nftnl_chain_rule_insert_at() to do just that and introduce
nftnl_chain_rule_append_at() to insert a rule after the referenced one.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Although identical to nftnl_rule_list_del(), this function adheres to
the common naming style of per chain rule list routines introduced
earlier, therefore helps with deprecating the global rule list API at a
later point.
Fixes: e33798478176f ("chain: Support per chain rules list")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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For now, these lookup functions simply iterate over the linked list
until they find the right entry. In future, they may make use of more
optimized data structures behind the curtains.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The implementation basically copies expr_list in struct nftnl_rule.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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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Iterators do not modify objects which they iterate, so input pointer must
be const.
Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So the client can bail out of memory allocation errors. Or in case of
daemon, make sure things are left in consistent state before bailing
out.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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These functions don't modify the chain object.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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flow table support needs constant object arguments to printing functions
to avoid ugly casts. While at it, also constify object arguments to message
construction, destructor and a few helper functions.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The function names are already large, trim off the _ATTR_ infix in the
attribute definitions.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The constant names are already large, trim off the _ATTR_ infix in the
attribute definitions.
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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Add support for the new NFT_CHAIN_ATTR_DEV attribute that indicates that the
basechain is attached to a net_device.
This partially reworks 1dd9ba1ea23c ("table: add netdev family support").
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds two functions that allows you to validate the size
of the attribute. This new functions provide a replacement for
nft_rule_attr_set and nft_rule_attr_get.
The data_len parameter was already passed to the {_set|_get} funcion
in expressions. For consistency, add nft_rule_expr_{set|get}_data
alias.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This allows us to remove the default case in the switch, which
show help to spot missing attribute support since gcc will spot
a compilation warning.
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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