| Commit message (Collapse) | Author | Age | Files | Lines |
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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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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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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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This patch add code to allocate object handles and delete objects via
object handles.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds code to allocate set handles and delete sets via set
handle.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
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This patch adds code to parse new handle attribute for tables.
Signed-off-by: Harsha Sharma <harshasharmaiitr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows you to specify the flowtable flags.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows you to specify the flowtable size.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the new "flow_offload" expression to select what flows
are offloaded to an existing flowtable.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows you to add, delete and list flowtable through the
existing netlink interface.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Implement expression printing into a FILE pointer analogous to
nftnl_rule_fprintf().
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for a new type of stateful object: limit.
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-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 support for ct helper objects, these are used to assign helpers to
connections, similar to iptables -j CT --set-helper target.
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 new helper function to put and to fetch tlv that comes with u32
payload.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch provides symmetric hash support according to source
ip address and port, and destination ip address and port.
The new attribute NFTA_HASH_TYPE has been included to support
different types of hashing functions. Currently supported
NFT_HASH_JENKINS through jhash and NFT_HASH_SYM through symhash.
The main difference between both types are:
- jhash requires an expression with sreg, symhash doesn't.
- symhash supports modulus and offset, but not seed.
Examples:
nft add rule ip nat prerouting ct mark set jhash ip saddr mod 2
nft add rule ip nat prerouting ct mark set symhash mod 2
Signed-off-by: Laura Garcia Liebana <laura.garcia@zevenet.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the new NFTA_RULE_ID attribute.
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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Along with the actual support for exthdr expression specific flags, this
also declares NFT_EXTHDR_F_PRESENT used for exthdr existence match.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch is a requirement of the TCP option patch.
Signed-off-by: Manuel Messner <mm@skelett.io>
Signed-off-by: Florian Westphal <fw@strlen.de>
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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 extends the quota support to account for consumed bytes.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If the NFT_SET_OBJECT flag is set, then this set stores a mapping
between any random user-defined arbitrary key and one stateful object.
Very useful for performance lookups.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute allows us to attach stateful objects to elements for
map lookups. This new attribute identifies the object through its name.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new attribute specifies the stateful object type this set stores.
Similar to data type, but specific to store objects. You must set the
NFT_SET_OBJECT flag to use this.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds a new "objref" expression that you can use to refer to
stateful objects from rules.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch allows you to add, to delete and to get stateful objects,
this support two object types: counter and quota.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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So we can include the new NFT_PAYLOAD_L4CSUM_PSEUDOHDR flag.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Allows to query fib for output interface and route type of a packets
source or destination address.
Scheduled for Linux 4.10.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Introduce support for rt expression for routing related data as implemented
in kernel.
Signed-off-by: Anders K. Pedersen <akp@cohaesio.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add range expression available that is scheduled for linux kernel 4.9.
This range expression allows us to check if a given value placed in a
register is within/outside a specified interval.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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After adding _SREG_QNUM attr, queuenum is not must option anymore,
so we must test NFTNL_EXPR_QUEUE_NUM first before dumpping queue num
in snprintf_default. Also add a tailing space in snprintf_default,
this is consistent with other expressions.
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support to pass through an offset value to the counter
initialization. With this feature, the sysadmin is able to apply a value
to be added to the generated number.
Example:
meta mark set numgen inc mod 2 offset 100
This will generate marks with series 100, 101, 100, 101, ...
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add support to pass through an offset to the hash value. With this
feature, the sysadmin is able to generate a hash with a given
started value.
Example:
meta mark set jhash ip saddr mod 2 seed 0xabcd offset 100
This option generates marks according to the source address from 100 to
101.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The _modulus_ attribute will be reused as _until_, as it's similar to
other expressions with value limits (ex. hash).
Renaming is possible according to the kernel module ntf_numgen that has
not been released yet.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Support for the nft ng expression within libnftnl.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for the new quota expression.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch implements the function:
bool nftnl_rule_cmp(const struct nftnl_rule *r1,
const struct nftnl_rule *r2)
for rule comparison.
Expressions within rules need to be compared, so also has been created the
function:
bool nftnl_expr_cmp(const struct nftnl_expr *e1,
const struct nftnl_expr *e2);
Also includes all expression comparators.
Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Support for the nft hash expression in libnftnl.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
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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The new structure 'user' holds a pointer to user data and its length. The
kernel must have the flag NFTA_SET_USERDATA to support this feature.
Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Inverted matching support was included in the kernel, let's give support here
as well.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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