| Commit message (Collapse) | Author | Age | Files | Lines |
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It makes possible to reproduce exactly the same set after a save/restore.
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
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The parameter defines the upper limit in any hash bucket at adding new entries
from userspace - if the limit would be exceeded, ipset doubles the hash size
and rehashes. It means the set may consume more memory but gives faster
evaluation at matching in the set.
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
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Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The inline function-specifier should not be used for static functions
defined in .c files since it bloats the kernel. Instead leave the
compiler to decide which functions to inline.
While a couple of the files affected (ip_set_*_gen.h) are technically
headers, they contain templates for generating the common parts of
particular set-types and so we treat them like .c files.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
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It's better to use my kadlec@netfilter.org email address in
the source code. I might not be able to use
kadlec@blackhole.kfki.hu in the future.
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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There doesn't seem to be any reason to restrict MAC address
matching to source MAC addresses in set types bitmap:ipmac,
hash:ipmac and hash:mac. With this patch, and this setup:
ip netns add A
ip link add veth1 type veth peer name veth2 netns A
ip addr add 192.0.2.1/24 dev veth1
ip -net A addr add 192.0.2.2/24 dev veth2
ip link set veth1 up
ip -net A link set veth2 up
ip netns exec A ipset create test hash:mac
dst=$(ip netns exec A cat /sys/class/net/veth2/address)
ip netns exec A ipset add test ${dst}
ip netns exec A iptables -P INPUT DROP
ip netns exec A iptables -I INPUT -m set --match-set test dst -j ACCEPT
ipset will match packets based on destination MAC address:
# ping -c1 192.0.2.2 >/dev/null
# echo $?
0
Reported-by: Yi Chen <yiche@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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To make the test a bit clearer and to reduce object size a little.
Miscellanea:
o remove now unnecessary static const array
$ size ip_set_hash_mac.o*
text data bss dec hex filename
22822 4619 64 27505 6b71 ip_set_hash_mac.o.allyesconfig.new
22932 4683 64 27679 6c1f ip_set_hash_mac.o.allyesconfig.old
10443 1040 0 11483 2cdb ip_set_hash_mac.o.defconfig.new
10507 1040 0 11547 2d1b ip_set_hash_mac.o.defconfig.old
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Julia Lawall pointed out that IPSET_ATTR_ETHER netlink attribute length
was not checked explicitly, just for the maximum possible size. Malicious
netlink clients could send shorter attribute and thus resulting a kernel
read after the buffer.
The patch adds the explicit length checkings.
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Ensure userspace supplies string not longer than
IPSET_MAX_COMMENT_SIZE.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Even if we return with generic IPSET_ERR_PROTOCOL it is good idea
to return line number if we called in batch mode.
Moreover we are not always exiting with IPSET_ERR_PROTOCOL. For
example hash:ip,port,net may return IPSET_ERR_HASH_RANGE_UNSUPPORTED
or IPSET_ERR_INVALID_CIDR.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Make all extensions attributes checks within ip_set_get_extensions()
and reduce number of duplicated code.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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* Undefine mtype_data_reset_elem before defining.
* Remove duplicated mtype_gc_init undefine, move
mtype_gc_init define closer to mtype_gc define.
* Use htype instead of HTYPE in IPSET_TOKEN(HTYPE, _create)().
* Remove PF definition from sets: no more used.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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