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strv_extend() does not consume the passed entry, hence, we must properly
free it. Furthermore, we should *not* use strv_consume() as we do greedy
allocations on 'ret'; and greedy-allocations should only be used for short
lived objects or caches.
Fix the domainname parser to properly free temporary storage when done.
In our API design, getter-functions don't ref objects. Calls like
foo_get_bar() will not ref 'bar'. We never do that and there is no real
reason to do it in single threaded APIs. If you need a ref-count, you
better take it yourself *BEFORE* doing anything else on the parent object
(as this might invalidate your pointer).
Right now, sd_dhcp?_get_lease() refs the lease it returns. A lot of
code-paths in systemd do not expect this and thus leak the lease
reference. Fix this by changing the API to not ref returned objects.
s/an/any/, as reported by Vito Caputo.
Also mention explicitly that the security properties (i.e. SELinux) are
also isolated when "machinectl shell" is used.
The commit 4938696301 overlooked the
fact that unit files can be specified as unit file paths, not unit
file names, wrongly passing a unit file path to the 1st argument of
manager_load_unit() that handles it as a unit file name. As a result,
the following 4 systemctl subcommands:
enable
disable
reenable
link
mask
unmask
fail with the following error message:
# systemctl enable /usr/lib/systemd/system/kdump.service
Failed to execute operation: Unit name /usr/lib/systemd/system/kdump.service is not valid.
# systemctl disable /usr/lib/systemd/system/kdump.service
Failed to execute operation: Unit name /usr/lib/systemd/system/kdump.service is not valid.
# systemctl reenable /usr/lib/systemd/system/kdump.service
Failed to execute operation: Unit name /usr/lib/systemd/system/kdump.service is not valid.
# cp /usr/lib/systemd/system/kdump.service /tmp/
# systemctl link /tmp/kdump.service
Failed to execute operation: Unit name /tmp/kdump.service is not valid.
# systemctl mask /usr/lib/systemd/system/kdump.service
Failed to execute operation: Unit name /usr/lib/systemd/system/kdump.service is not valid.
# systemctl unmask /usr/lib/systemd/system/kdump.service
Failed to execute operation: Unit name /usr/lib/systemd/system/kdump.service is not valid.
To fix the issue, first check whether a unit file is passed as a unit
file name or a unit file path, and then pass the unit file to the
appropreate argument of manager_load_unit().
By the way, even with this commit mask and unmask reject unit file
paths as follows and this is a correct behavior:
# systemctl mask /usr/lib/systemd/system/kdump.service
Failed to execute operation: Invalid argument
# systemctl unmask /usr/lib/systemd/system/kdump.service
Failed to execute operation: Invalid argument
Internally, the root cgroup is stored as the empty string in
Unit.cgroup_path, and "no cgroup" as NULL. Unfortunately, D-Bus does not
know a NULL concept, hence when reporting the cgroup to clients we
should turn the root cgroup into "/", and leave the empty string for the
"no cgroup" case.
This should make sure that "systemctl status -- -.slice" works correctly
and shows the entire cgroup tree.
In the Cockpit integration tests we hang onton the journal files
for a failed test and would like to inspect them using coredumpctl.
This commit adds the ability to specify an alternate directory
for coredumpctl to read the journal from.
Previously, sd-bus inofficially already supported bus matches that
tested a string against an array of strings ("as"). This was done via an
enhanced way to interpret "arg0=" matches. This is problematic however,
since clients have no way to determine if their respective
implementation understood strv matches or not, thus allowing invalid
matches to be installed without a way to detect that.
This patch changes the logic to only allow such matches with a new
"arg0has=" syntax. This has the benefit that non-conforming
implementations will return a parse error and a client application may
thus efficiently detect support for the match type.
Matches of this type are useful for "udev"-like systems that "tag" objects
with a number of strings, and clients need to be able to match against
any of these "tags".
The name "has" takes inspiration from Python's ".has_key()" construct.
This partially reverts 106784ebb7, ad
readds separate DNS_PACKET_MAKE_FLAGS() invocations for the LLMNR and
DNS case. This is important since SOme flags have different names and
meanings on LLMNR and on DNS and we should clarify that via the comments
and how we put things together.
This hopefully makes this a bit more expressive and clarifies that the
fd is not used for the DNS TCP socket. This also mimics how the LLMNR
UDP fd is named in the manager object.
Currently, dns_cache_put() does a number of things:
1) It unconditionally removes all keys contained in the passed
question before adding keys from the newly arrived answers.
2) It puts positive entries into the cache for all RRs contained
in the answer.
3) It creates negative entries in the cache for all keys in the
question that are not answered.
Allow passing q = NULL in the parameters and skip 1) and 3), so
we can use that function for mDNS responses. In this case, the
question is irrelevant, we are interested in all answers we got.
