| Commit message (Collapse) | Author | Age | Files | Lines |
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Add code to implement NFTA_FLOWTABLE_HANDLE
Signed-off-by: Eric Jallot <ejallot@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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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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Copying from nftnl_table_set_data(), validate input to
nftnl_set_elem_set() as well. Given that for some attributes the
function assumes passed data size, this seems necessary.
Since data size expected for NFTNL_SET_ELEM_VERDICT attribute is
sizeof(uint32_t), change type of 'verdict' field in union nftnl_data_reg
accordingly.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Array 'tb' has only 'attr_max' elements, the loop overstepped its
boundary by one. Copy array_size() macro from include/utils.h in
nftables.git to make sure code does the right thing.
Fixes: 0adceeab1597a ("src: add ct timeout support")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Rename and optimize internal function nftnl_set_lookup() for external
use. Just like with nftnl_chain_list, use a hash table for fast set name
lookups.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds synproxy stateful object support.
Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Ander Juaristi <a@juaristi.eus>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Ander Juaristi <a@juaristi.eus>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Get this header in sync with 5.3-rc1.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This only affects debug output, the key was properly handled in
productive code paths already.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add capability to have rules matching IPv4 options. This is developed
mainly to support dropping of IP packets with loose and/or strict source
route route options.
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The 'id' key returns the id of the connection entry
Signed-off-by: Brett Mastbergen <bmastbergen@untangle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support for ct expectation objects, used to define specific
expectations.
Signed-off-by: Stéphane Veyret <sveyret@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Moreover, add missing include/rule.h file to Makefile.am.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The duplicated declaration was there since the functions initial
introduction as 'nft_gen_nlmsg_parse()'.
Fixes: 2e66fb09d6936 ("src: add ruleset generation class")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Place them in the library, so iptables and nftables do not need to
redefine them.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Phil Sutter <phil@nwl.cc>
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224 -> 216 bytes on x86_64.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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A better way to implement this from userspace has been found without
specific code in the kernel side, revert this.
Fixes: bb4b75aea5c0 ("expr: add map lookups for hash statements")
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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A better way to implement this from userspace has been found without
specific code in the kernel side, revert this.
Fixes: b97f45c2ebaa ("expr: add map lookups for numgen statements")
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
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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These functions are not very useful, rule comparison from this layer
does not work well with implicit set definitions.
This infrastructure was added as an attempt to support for deletion by
name from this layer, which should be done from higher level libnftables
library. Finally, we never had a client for this code in
git.netfilter.org.
Let's remove it and bump libversion for safety reasons.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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We have better json support in libnftables these days.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The new object will hold security context strings.
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Joint work with Máté Eckl.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add include header for NFTNL_CTTIMEOUT_ARRAY_MAX. Fixes compilation error
"../include/obj.h:43:21: error: ‘NFTNL_CTTIMEOUT_ARRAY_MAX’
undeclared here (not in a function);
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use an internal array and expose maximum size so we can just use the
same array size for all protocol timeouts. This simplifies handling
a bit and we don't need to set NFTNL_OBJ_CT_TIMEOUT_L4PROTO in first
place.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support for ct timeout objects, used to assign connection tracking
timeout policies.
Signed-off-by: Harsha Sharma <harshasharmaiitr@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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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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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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To support forwarding through neighbour layer from ingress.
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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Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Joint work with Pablo.
Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Allow to add rule object before any existing rule.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch introduces two new attributes for hash expression
to allow map lookups where the hash is the key.
The new attributes are NFTNL_EXPR_HASH_SET_NAME and
NFTNL_EXPR_HASH_SET_ID in order to identify the given map.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch introduces two new attributes for numgen to allow map
lookups where the number generator will be the key.
Two new attributes needs to be included: NFTNL_EXPR_NG_SET_NAME and
NFTNL_EXPR_NG_SET_ID in order to identify the given map.
Signed-off-by: Laura Garcia Liebana <nevola@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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