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Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
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Exceptions can now be matched and we can branch according to the
possible cases:
a. match in the set if the element is not flagged as "nomatch"
b. match in the set if the element is flagged with "nomatch"
c. no match
i.e.
iptables ... -m set --match-set ... -j ...
iptables ... -m set --match-set ... --nomatch-entries -j ...
...
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The "nomatch" keyword and option is added to the hash:*net* types,
by which one can add exception entries to sets. Example:
ipset create test hash:net
ipset add test 192.168.0/24
ipset add test 192.168.0/30 nomatch
In this case the IP addresses from 192.168.0/24 except 192.168.0/30
match the elements of the set.
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With the header file restructuring, the ipset userspace enums IPSET_DIM_*
clash with the kernel ones. In this patch the userspace is converted to
use the kernel part enums and thus we got rid of userspace enums IPSET_DIM_*.
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The hash:net,iface type makes possible to store network address and
interface name pairs in a set. It's mostly suitable for egress
and ingress filtering. Examples:
# ipset create test hash:net,iface
# ipset add test 192.168.0.0/16,eth0
# ipset add test 192.168.0.0/24,eth1
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The range internally is converted to the network(s) equal to the range.
Example:
# ipset new test hash:net
# ipset add test 10.2.0.0-10.2.1.12
# ipset list test
Name: test
Type: hash:net
Header: family inet hashsize 1024 maxelem 65536
Size in memory: 16888
References: 0
Members:
10.2.1.12
10.2.1.0/29
10.2.0.0/24
10.2.1.8/30
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Current listing makes possible to list sets with full content only.
The patch adds support partial listings, i.e. listing just
the existing setnames or listing set headers, without set members.
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Modifying a set can be performed by save/modify/restore/swap, without
adding kernel part support.
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The command is not used yet, but better to reserve it already.
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- More comments added to the code
- ICMP and ICMPv6 support added to the hash:ip,port, hash:ip,port,ip
and hash:ip,port,net types
- hash:net and hash:ip,port,net types are reworked
- hash:net,port type added
- Wrong direction parameters fixed in hash:ip,port
- Helps and manpage are updated
- More tests added
- Ugly macros are rewritten to functions in parse.c
(Holger Eitzenberger)
- resize related bug in hash types fixed (Holger Eitzenberger)
- autoreconf patches by Jan Engelhardt applied
- netlink patch minimalized: dumping can be initialized by a second
parsing of the message (thanks to David and Patrick for the suggestion)
- IPv4/IPv6 address attributes are introduced in order to fix the context
(suggested by David)
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- the hash types can now store protocol together port, not only port
- lots of fixes everywhere: parser, error reporting, manpage
The last bits on the todo list before announcing ipset 5:
- recheck all the error messages
- add possibly more tests
- polish manpage
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Reworked protocol and internal interfaces, missing set types added,
backward compatibility verified, lots of tests added (and thanks to the tests,
bugs fixed), even the manpage is rewritten ;-). Countless changes everywhere...
The missing bits before announcing ipset 5:
- net namespace support
- new iptables/ip6tables extension library
- iptables/ip6tables match and target tests (backward/forward compatibility)
- tests on catching syntax errors
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Add new userspace files: include/, lib/ and plus new files in src/.
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