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path: root/kernel/net/netfilter/ipset/ip_set_hash_mac.c
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* ipset: Allow matching on destination MAC address for mac and ipmac setsStefano Brivio2018-08-301-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* netfilter: ipset: Use is_zero_ether_addr instead of static and memcmpJoe Perches2018-04-101-5/+2
| | | | | | | | | | | | | | | | | | 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>
* netfilter: ipset: Check IPSET_ATTR_ETHER netlink attribute lengthJozsef Kadlecsik2016-03-081-1/+2
| | | | | | | | | | | | 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>
* Fix coding styles reported by the most recent checkpatch.pl.Jozsef Kadlecsik2015-04-171-2/+2
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* netfilter: ipset: Check for comment netlink attribute lengthSergey Popovich2015-03-231-1/+2
| | | | | | | | 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>
* netfilter: ipset: Return bool values instead of intSergey Popovich2015-03-201-1/+6
| | | | | Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua> Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
* netfilter: ipset: Make sure we always return line number on batchSergey Popovich2015-03-201-3/+3
| | | | | | | | | | | | 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>
* netfilter: ipset: Check extensions attributes before getting extensions.Sergey Popovich2015-03-201-7/+1
| | | | | | | | 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>
* netfilter: ipset: Preprocessor directices cleanupSergey Popovich2015-03-191-1/+0
| | | | | | | | | | | | | | * 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>
* Fix coding styles reported by checkpatch.plJozsef Kadlecsik2015-01-061-1/+1
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* Call rcu_barrier() in module removal pathJozsef Kadlecsik2014-12-101-0/+1
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* hash:mac type added to ipsetJozsef Kadlecsik2014-09-151-0/+173