| Commit message (Collapse) | Author | Age | Files | Lines |
|
|
|
|
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
|
|
|
|
| |
The patch "netfilter: ipset: Fix adding an IPv4 range containing
more than 2^31 addresses" introduced a wraparound bug, which could
lead to memory exhaustion when adding an x.x.x.x-255.255.255.255
range to any hash:*net* types.
Fixes Netfilter's bugzilla id #1212, reported by Thomas Schwark.
|
|
|
|
|
|
|
| |
Wrong comparison prevented the hash types to add a range with
more than 2^31 addresses but reported as a success.
Fixes bugzilla id #1005, reported by Oleg Serditov and Oliver Ford.
|
|
|
|
|
|
|
|
|
|
|
| |
Before this patch struct htype created at the first source
of ip_set_hash_gen.h and it is common for both IPv4 and IPv6
set variants.
Make struct htype per ipset family and use NLEN to make
nets array fixed size to simplify struct htype allocation.
Ported from a patch proposed by Sergey Popovich <popovich_sergei@mail.ua>.
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
| |
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
There is no reason to check CIDR value regardless attribute
specifying CIDR is given.
Initialize cidr array in element structure on element structure
declaration to let more freedom to the compiler to optimize
initialization right before element structure is used.
Remove local variables cidr and cidr2 for netnet and netportnet
hashes as we do not use packed cidr value for such set types and
can store value directly in e.cidr[].
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
|
|
|
|
|
|
|
| |
Statement ret = func1() || func2() returns 0 when both func1()
and func2() return 0, or 1 if func1() or func2() returns non-zero.
However in our case func1() and func2() returns error code on
failure, so it seems good to propagate such error codes, rather
than returning 1 in case of failure.
Signed-off-by: Sergey Popovich <popovich_sergei@mail.ua>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
* 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>
|
|
|
|
|
|
|
|
| |
Commit 092d67cda9ad4 broke the cidr handling for the hash:*net* types
when the sets were used by the SET target: entries with invalid cidr
values were added to the sets. Reported by Jonathan Johnson.
Testsuite entry is added to verify the fix.
|
| |
|
| |
|
| |
|
|
|
|
|
|
|
|
| |
Add skbinfo extension kernel support for the hash set types.
Inroduce the new revisions of all hash set types.
Signed-off-by: Anton Danilov <littlesmilingcloud@gmail.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Adds a new property for hash set types, where if a set is created
with the 'forceadd' option and the set becomes full the next addition
to the set may succeed and evict a random entry from the set.
To keep overhead low eviction is done very simply. It checks to see
which bucket the new entry would be added. If the bucket's pos value
is non-zero (meaning there's at least one entry in the bucket) it
replaces the first entry in the bucket. If pos is zero, then it continues
down the normal add process.
This property is useful if you have a set for 'ban' lists where it may
not matter if you release some entries from the set early.
Signed-off-by: Josh Hunt <johunt@akamai.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
This provides kernel support for creating ipsets with comment support.
This does incur a penalty to flushing/destroying an ipset since all
entries are walked in order to free the allocated strings, this penalty
is of course less expensive than the operation of listing an ipset to
userspace, so for general-purpose usage the overall impact is expected
to be little to none.
Signed-off-by: Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
| |
Get rid of the structure based extensions and introduce a blob for
the extensions. Thus we can support more extension types easily.
|
|
|
|
|
|
| |
Default timeout and extension offsets are moved to struct set, because
all set types supports all extensions and it makes possible to generalize
extension support.
|
|
|
|
|
|
| |
In order to support hash:net,net, hash:net,port,net etc. types,
arrays are introduced for the book-keeping of existing cidr sizes
and network numbers in a set.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
The "nomatch" commandline flag should invert the matching at testing,
similarly to the --return-nomatch flag of the "set" match of iptables.
Until now it worked with the elements with "nomatch" flag only. From
now on it works with elements without the flag too, i.e:
# ipset n test hash:net
# ipset a test 10.0.0.0/24 nomatch
# ipset t test 10.0.0.1
10.0.0.1 is NOT in set test.
# ipset t test 10.0.0.1 nomatch
10.0.0.1 is in set test.
# ipset a test 192.168.0.0/24
# ipset t test 192.168.0.1
192.168.0.1 is in set test.
# ipset t test 192.168.0.1 nomatch
192.168.0.1 is NOT in set test.
Before the patch the results were
...
# ipset t test 192.168.0.1
192.168.0.1 is in set test.
# ipset t test 192.168.0.1 nomatch
192.168.0.1 is in set test.
|
|
|
|
| |
Reported-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
|
|
|
| |
Reported-by: David Laight <David.Laight@ACULAB.COM>
|
|
|
|
| |
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
| |
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
| |
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
| |
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
| |
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
| |
If a resize is triggered the nomatch flag is not excluded at hashing,
which leads to the element missed at lookup in the resized set.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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 ...
...
|
| |
|
|
|
|
|
|
|
| |
These macros contain a hidden goto, and are thus extremely error
prone and make code hard to audit.
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
|
|
|
|
| |
The hash size must fit both into u32 (jhash) and the max value of
size_t. The missing checking could lead to kernel crash, bug reported
by Seblu.
|
| |
|
|
|
|
|
|
|
| |
C assignment can handle struct in6_addr copying.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
|
|
|
|
|
|
|
|
|
|
| |
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.
|
|
|
|
|
| |
ipset is actually using NFPROTO values rather than AF (xt_set passes
that along).
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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.
|
| |
|
| |
|
|
|
|
|
|
| |
With the change the sets can use any parameter available for the match
and target extensions, like input/output interface. It's required for
the hash:net,iface set type.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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
|
|
|
|
|
| |
A set type may have multiple revisions, for example when syntax is extended.
Support continuous revision ranges in set types.
|
|
|
|
|
|
| |
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.
|
|
|
|
|
|
| |
The support makes possible to specify the timeout value for
the SET target and a flag to reset the timeout for already existing
entries.
|
|
|
|
|
|
|
|
|
|
| |
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
|
|
The kernel/ subdirectory is reorganized to follow the kernel directory
structure.
|