| Commit message (Collapse) | Author | Age | Files | Lines |
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If overlapping networks with different interfaces was added to
the set, the type did not handle it properly. Example
ipset create test hash:net,iface
ipset add test 192.168.0.0/16,eth0
ipset add test 192.168.0.0/24,eth1
Now, if a packet was sent from 192.168.0.0/24,eth0, the type returned
a match.
In the patch the algorithm is fixed in order to correctly handle
overlapping networks.
Limitation: the same network cannot be stored with more than 64 different
interfaces in a single set.
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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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When ranges are added to hash types, the elements may trigger rehashing the set.
However, the last successfully added element was not kept track so the adding
started again with the first element after the rehashing. Bug reported by Mr Dash Four.
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Also, remove the empty "members" section when listing
just the set headers.
Testsuite is updated to reflect the changes in the output.
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A restoreable saving of sets requires that list:set type of sets
come last and the code part which should have taken into account
the ordering was broken. The patch fixes the listing order.
Testsuite entry added which checks the listing order.
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The support makes possible to specify the timeout value for
the SET target and a flag to reset the timeout for already existing
entries.
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- check iptables match/target extensions with invalid number of
dir parameters
- check SET target with --del-set option
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Keep temporary files in the tests and erase them only after successfully
running the testsuite. This makes simpler to analyze failed tests.
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When an element to a set with timeout added, one can change the timeout
by "readding" the element with the "-exist" flag. That means the timeout
value is reset to the specified one (or to the default from the set
specification if the "timeout n" option is not used). Example
ipset add foo 1.2.3.4 timeout 10
ipset add foo 1.2.3.4 timeout 600 -exist
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The timeout variant of the list:set type must reference the member sets.
However, its garbage collector runs at timer interrupt so the mutex protection
of the references is a no go. Therefore the reference protection
is converted to rwlock.
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- the timeout value was actually not set
- the garbage collector was broken
The variant is fixed, the tests to the testsuite are added.
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SCTP and UDPLITE port support added to the hash:*port* types.
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The error line checking would fail when debugging is enabled
(and spit out junk lines), fixed.
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Attribute is const so a little bit more work is needed to return
the error line number. A test is also added in order to check
the functionality. (Patrick McHardy's review)
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"sendip" needs data otherwise ICMP/ICMPv6 gets truncated...
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The testsuite failed incorrectly, because the order of the elements
changed.
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Some systems do not contain ospf in /etc/protocols but ospfigp only.
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
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Lower timeout values to max 5s, so we can lower sleep values too.
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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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ipset 5 is tested on Sparc, which revealed some compatibility issues
and those are fixed. Kernels from 2.6.31 onward are supported.
The testsuite checkings are completed to run match/target checks.
The README file is updated to reflect the requirements to install
and run ipset 5.
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- getting ports for family INET6 fixed
- more manpage polishing
- tests to check the iptables/ip6tables match and target added
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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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Use the libmnl mnl_attr_nest_star/mnl_attr_nest_end functions instead of
the private ones. Ignore possible size differences in iptree*.t compatibility
tests.
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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 test files and toplevel files.
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Update tests.
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See ChangeLog files
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A few minor bugs fixed and cleanups:
- Nonexistent sets were reported as existing sets when testing
from userspace in setlist type of sets (bug reported by Victor A.
Safronov)
- When saving sets, setlist type of sets must come last in order
to satisfy the dependency from the elements (bug reported by Marty B.)
- Sparse insists that the flags argument to kmalloc() is gfp_t
(Stephen Hemminger)
- Correct format specifiers and change %i to %d (Jan Engelhardt)
- Fix the definition of 'bool' for kernels <= 2.6.18 (Jan Engelhardt)
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The main change is full bigendian and 64/32bit enviroment support - in
consequence the kernel-userspace protocol version was bumped.
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- Premature checking prevents to add valid elements to hash
types, fixed (bug reported by JC Janos).
- Local variable shadows another variable, fixed (reported
by Jan Engelhardt).
- More compiler warning options added and warnings fixed.
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- When flushing a nethash/ipportnethash type of set, it can
lead to a kernel crash due to a wrong type declaration,
bug reported by Krzysztof Oledzki.
- iptree and iptreemap types require the header file linux/timer.h,
also reported by Krzysztof Oledzki.
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hash type of sets. Enforce the restriction.
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userspace changes:
- Added KBUILD_OUTPUT support (Sven Wegener)
- Fix memory leak in ipset_iptreemap (Sven Wegener)
- Fix multiple compiler warnings (Sven Wegener)
- ipportiphash, ipportnethash and setlist types added
- binding marked as deprecated functionality
- element separator token changed to ',' in anticipating
IPv6 addresses, old separator tokens are still supported
- unnecessary includes removed
- ipset does not try to resolve IP addresses when listing
the content of sets (default changed)
- manpage updated
- ChangeLog forked for kernel part
kernel part changes:
- ipportiphash, ipportnethash and setlist types added
- set type modules reworked to avoid code duplication
as much as possible, code unification macros
- expand_macros Makefile target added to help debugging
code unification macros
- ip_set_addip_kernel and ip_set_delip_kernel
changed from void to int, __ip_set_get_byname and
__ip_set_put_byid added for the sake of setlist type
- unnecessary includes removed
- compatibility fix for kernels >= 2.6.27:
semaphore.h was moved from asm/ to linux/ (James King)
- ChangeLog forked for kernel part
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