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Long ago we adapted to Linux kernel changes which inverted the
behaviour of the conntrack --ctdir setting:
commit a6a04ea47a
Author: Stefan Berger <stefanb@us.ibm.com>
Date: Wed May 15 21:02:11 2013 -0400
nwfilter: check for inverted ctdir
Linux netfilter at some point (Linux 2.6.39) inverted the meaning of the
'--ctdir reply' and newer netfilter implementations now expect
'--ctdir original' instead and vice-versa.
We check for the kernel version and assume that all Linux kernels with version
2.6.39 have the newer inverted logic.
Any distro backporting the Linux kernel patch that inverts the --ctdir logic
(Linux commit 96120d86f) must also backport this patch for Linux and
adapt the kernel version being tested for.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Given our supported platform targets, we no longer need to
consider a version of Linux before 2.6.39, so can drop
support for the old direction behaviour.
The test suite updates are triggered because that never
probed for the ctdir direction, and so the iptables syntax
generator unconditionally dropped the ctdir args.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Long ago we adapted to iptables changes by introducing support
for '-m conntrack':
commit 06844ccbaa
Author: Stefan Berger <stefanb@us.ibm.com>
Date: Tue Aug 6 20:30:46 2013 -0400
nwfilter: Use -m conntrack rather than -m state
Since iptables version 1.4.16 '-m state --state NEW' is converted to
'-m conntrack --ctstate NEW'. Therefore, when encountering this or later
versions of iptables use '-m conntrack --ctstate'.
Given our supported platform targets, we no longer need to
consider a version of iptables before 1.4.16, so can drop
support for the old syntax.
The test suite updates are triggered because that never
probed for the new syntax, and so unconditionally
generated the old syntax.
Reviewed-by: Laine Stump <laine@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
We have couple of tests where the obsolete IPv4-in-IPv6 notation
is used (::10.1.2.3). Change them to the correct format
(::ffff:10.1.2.3).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
As with previous commits use virCommandSetDryRun to invoke
virCommandToString so that it returns pre-wrapped string.
Since virCommand is better aware of where the arguments terminate we can
see an improvement where comments are no longer line-wrapped.
The changes to the 'commonRules' strings were done with the following
regex:
s/ -/ \\\\\\n-/
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
All the unit tests that use iptables/ip6tables/ebtables have been
written to omit the locking/exclusive use primitive on the generated
commandlines. Even though none of the tests actually execute those
commands (and so it doesn't matter for purposes of the test whether or
not the commands support these options), it still made sense when some
systems had these locking options and some didn't.
We are now at a point where every supported Linux distro has supported
the locking options on these commands for quite a long time, and are
going to make their use non-optional. As a first step, this patch uses
the virFirewallSetLockOverride() function, which is called at the
beginning of all firewall-related tests, to set all the bools
controlling whether or not the locking options are used to true. This
means that all the test cases must be updated to include the proper
locking option in their commandlines.
The change to make actual execs of the commands unconditionally use
the locking option will be in an upcoming patch - this one affects
only the unit tests.
Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Fix the 'flags' of the last rule to conform to the RNG schema.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Various example XML documents for arp/rarp filtering have a protocolid
XML attribute defined. This is never parsed or output by the libvirt XML
handling code, so shouldn't be present in example XML files either
Reviewed-by: John Ferlan <jferlan@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Back in
commit bd6c46fa0c
Author: Juerg Haefliger <juerg.haefliger@hp.com>
Date: Mon Jan 31 06:42:57 2011 -0500
tests: handle backspace-newline pairs in test input files
all the test argv files were line wrapped so that the args
were less than 80 characters.
The way the line wrapping was done turns out to be quite
undesirable, because it often leaves multiple parameters
on the same line. If we later need to add or remove
individual parameters, then it leaves us having to redo
line wrapping.
This commit changes the line wrapping so that every
single "-param value" is one its own new line. If the
"value" is still too long, then we break on ',' or ':'
or ' ' as needed.
This means that when we come to add / remove parameters
from the test files line, the patch diffs will only
ever show a single line added/removed which will greatly
simplify review work.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Make use of the ebtables functionality to be able to filter certain
parameters of icmpv6 packets. Extend the XML parser for icmpv6 types,
type ranges, codes, and code ranges. Extend the nwfilter documentation,
schema, and test cases.
Being able to filter icmpv6 types and codes helps extending the DHCP
snooper for IPv6 and filtering at least some parameters of IPv6's NDP
(Neighbor Discovery Protocol) packets. However, the filtering will not
be as good as the filtering of ARP packets since we cannot
check on IP addresses in the payload of the NDP packets.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Create a nwfilterxml2firewalltest to exercise the
ebiptables_driver.applyNewRules method with a variety of
different XML input files. The XML input files are taken
from the libvirt-tck nwfilter tests. While the nwfilter
tests verify the final state of the iptables chains, this
test verifies the set of commands invoked to create the
chains.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
