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Create structures describing Identity Association IDentifiers and
IPv6 lease addresses.
[tomegun: initialize the IAID when client is started. Base this off of the
predictable udev names, if available, as these satisfy the requirement of
the IAID, and base it off the mac addres otherwise, as that is the best we
have.]
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Initialize DHCP Unique Identifier when creating the client. The
DUID is generated based on the machine-id, which satisfies all the
requirements of what an DUID should be. The DUID type is DUID-EN.
Based on patch by Patrik Flykt.
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Feed a Router Advertisement to the code and expect proper events
each time. The sending part is ignored, as all of it is static code
in the real dhcp_network_icmp6_send_rs() function.
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Provide functions to bind the ICMPv6 socket to the approriate interface
and set multicast sending and receiving according to RFC 3493, section
5.2. and RFC 3542, sections 3. and 3.3. Filter out all ICMPv6 messages
except Router Advertisements for the socket in question according to
RFC 3542, section 3.2.
Send Router Solicitations to the all routers multicast group as
described in RFC 4861, section 6. and act on the received Router
Advertisments according to section 6.3.7.
Implement a similar API for ICMPv6 handling as is done for DHCPv4 and
DHCPv6.
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Add initial structure definition and functions for setting index, MAC
address, callback and event loop. Define protocol values and states.
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Now that we actually can distuingish system and normal users there's no
point in taking session information into account anymore when splitting
up logs.
This has the beenfit with that coredump information will actually end up
in each user's own journal.
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only
"coredumpctl info -1" is now incredibly useful for showing the most recent
stacktrace.
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elfutils' libdw is maintained, can read DWARF debug data and appears to
be the library of choice for generating backtraces today.
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since 376cd3b89c62f580a6f576cecfbbb28d3944118f LIST_FIND_TAIL accepts
an empty list. That removed an assert in LIST_FIND_TAIL and we now
theoretically risk a null pointer deref. This adds the assert directly
to protect against that.
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about a coredump
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Introduce a new configuration file /etc/systemd/coredump.conf to
configure when to place coredumps in the journal and when on disk.
Since the coredumps are quite large, default to storing them only on
disk.
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No need to use HASHMAP_ITERATE when we destruct all entries anyway.
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We must use free instead of dhcp_lease_free here to avoid freeing
client_id.data.
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address on the interface
This way we can make use of the addresses of the IP pool.
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When an address is configured to be all zeroes, networkd will now
automatically find a locally unused network of the right size from a
list of pre-configured pools. Currently those pools are 10.0.0.0/8,
172.16.0.0/12, 192.168.0.0/16 and fc00::/7, i.e. the network ranges for
private networks. They are compiled in, but should be configurable
eventually.
This allows applying the same configuration to a large number of
interfaces with each time a different IP range block, and management of
these IP ranges is fully automatic.
When allocating an address range from the pool it is made sure the range
is not used otherwise.
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of it everywhere
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There is no need to explicitly check version of L3 protocol in the
ethernet header because we bind socket with .sll_protocol set to
ETH_P_IP, thus we only receive IPv4 packets on the socket.
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make sure they are started before and stopped after any LUKS setup
https://bugzilla.redhat.com/show_bug.cgi?id=1097938
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creating them first, and relabeling them afterwards
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https://bugzilla.redhat.com/show_bug.cgi?id=1081429
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In programs like eog and gimp the transparant background did not
look very good.
Similar fix from the one done in systemd-analyze (418e3750)
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We were comparing against our own internal enum rather than the kernel exposed one.
Found by Thomas Ritter.
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For efficiency, we group bytes together before adding them up. This
is guaranteed to always work (regardless of the byte order) as long
as the i-th byte in each group lign up with the i-th byte in each
other group.
On big-endian machines this broke when handling the trailing few bytes
which did not make up a full group of 4 bytes. This patch fixes the
problem by explicitly creating a 4 byte zero-padded group out of the
trailing bytes.
Reported and tested by Thomas Ritter <th.ritter@gmx.at>.
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This was backwards. The symlink itself points to the source unit, not
the other way around.
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container
It's generally preferrable to conditionalize on the actual ability to do
something then the context we run in.
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This is based on parts of similar patches from Michael Marineau and
Lukas Nykrin, but simply uses strappenda3().
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"systemctl disable"
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DefaultInstance= setting
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cmdline
"debug" should apply to all tools, but "quiet" only to PID1.
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outside of search path
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instances
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The DefaultInstance= name is used when enabling template units when only
specifying the template name, but no instance.
Add DefaultInstance=tty1 to getty@.service, so that when the template
itself is enabled an instance for tty1 is created.
This is useful so that we "systemctl preset-all" can work properly,
because we can operate on getty@.service after finding it, and the right
instance is created.
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only after traversing all search directories
Let's always make sure to look in all search directories for the full
unit names first, before looking for templates for them.
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