| Commit message (Collapse) | Author | Age | Files | Lines |
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Now, struct nf_expect takes only 192 bytes, instead of 1KB.
struct nf_conntrack takes 296 bytes instead of 328 bytes.
The size of the nf_expect structure has been reduced by rearranging
the layout of the nf_conntrack structure. For the nf_conntrack case,
this removes the allocation of room for attributes that the master
tuple does not use (more specifically, the NATseq bytes).
This patch modifies the binary layout of struct nf_conntrack.
This should not be a problem since the definition of this
object is opaque (it can be only accessed via get/set API).
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch is *not* changing the licensing terms of this library (which
was initially released under GPLv2 and later on extended to GPLv2+ after
contacting all the contributors who kindly agreed to extend it to any
later GPL version).
Jan says: "In libnetfilter_conntrack, there are many .c files declaring
GNU GPL incorporated herein by reference without telling which version(s)
exactly apply. Given src/main.c for example is actually GPL-2.0+,
the reference made is ambiguous."
This patch should definitely clarify this.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the connection tracking extension that allows
conntrack timestamping.
This requires a Linux kernel >= 2.6.38.
We have now 65 attributes, we need 96 bits to store what attributes
are set in the objects.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for the new attribute CTA_SECCTX that
supersedes CTA_SECMARK.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Add Patrick's zone support for libnetfilter_conntrack.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the missing bits to support the modification of the
TCP window scale factor in a conntrack entry. The kernel support
has been already there since 2.6.23.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch renames the attribute constant to access the DCCP
handshake sequence number that was recently committed in
19f35b21dbe2bb4386eeced4e0d87f3b2e1dd8bf. No release with
the old name has been done, so no problems about backward
compatibility although it'd be better if I don't push changes
that I have to modify very soon afterwards.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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From: Pablo Neira Ayuso <pablo@netfilter.org>
This patch adds the support for the DCCP sequence number tracking
that is included in the upcoming Linux kernel 2.6.31.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds DCCP role attribute support. This needs Linux
kernel >= 2.6.30.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds initial DCCP support for libnetfilter_conntrack.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the size of the arrays to set to NULL unset
elements. This helps to spot unset functions for new attributes.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds support for explicit helper assignation. This support
will not be of any help without the appropriate kernel support that will
go into the Linux kernel 2.6.29 -sic-.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch cleanups the internal headers by splitting them into several
logical pieces.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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- add TCP flags/mask attributes if they are set, otherwise skip
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- document that ATTR_*_COUNTER_*, ATTR_USE and ATTR_ID are unsettable
- implement getter for the ATTR_USE attribute
Based on patches from Victor Stinner.
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- object oriented infrastructure
- extensible and configurable output (XML)
- low level functions to interact with netlink details
- fairly documented
Still backward compatible.
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