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A variety of changes:
- Make sure all our calls distuingish OOM from other errors if OOM is
not the only error possible.
- Be much stricter when parsing escaped paths, do not accept trailing or
leading escaped slashes.
- Change unit validation to take a bit mask for allowing plain names,
instance names or template names or an combination thereof.
- Refuse manipulating invalid unit name
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log_error_errno() already adds a newline, so drop them.
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Drop the code which communicates with shutdownd via its private socket,
and use the functionality in logind instead.
The code pathes which talk to logind have to create their own ad-hoc
bus connection because by default, systemctl connects to systemd's
private socket.
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Instead of looking up the tty from STDIN, let utmp_wall() take an argument
to specify an origin tty for the wall message. Only if that argument is
NULL do the STDIN lookup.
Also add an void *userdata argument that is handed back to the callback
function.
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We actually only use the journal when showing status. Move setrlimit call
so it is only called for status.
https://bugzilla.redhat.com/show_bug.cgi?id=1184712
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Replace ENOTSUP by EOPNOTSUPP as this is what linux actually uses.
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r could never be less than zero.
CID #1271350.
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This adds support for showing the accumulated consumed CPU time per-unit
in the "systemctl status" output. The property is also readable via the
bus.
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It is not necessary when running as telinit, etc.
https://bugzilla.redhat.com/show_bug.cgi?id=1184712
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We would print the filename header before trying to open the file. But since
the header was printed to stdout, and the error to stderr, the error would appear
on the terminal before the header. It is cleaner to open the file first, then
and only then print the header.
Also exit on first error. We shouldn't report success if we were unable to open
a file.
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This patch removes includes that are not used. The removals were found with
include-what-you-use which checks if any of the symbols from a header is
in use.
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With this change runlevel 2, 3, 4 are mapped to multi-user.target for
good, and 5 to graphical.target. This was already the previous mapping
but is now no longer reconfigurable, but hard-coded into the core.
This should generally simplify things, but also fix one bug: the
sysv-generator previously generated symlinks to runlevel[2-5].target
units, which possibly weren't picked up if these aliases were otherwise
only referenced by the real names "multi-user.target" and
"graphical.target".
We keep compat aliases "runlevel[2345].target" arround for cases where
this target name is explicitly requested.
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Make use of the new sd_bus_set_allow_interactive_authorization() call to
globally enable interactive authorization. Also, turn on PK agent for
more calls.
This allows us to make use of the sd_bus_call_method() convencience
helper at more places.
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Otherwise systemd-reboot.service will remove the parameter that was set
before. This was broken in commit "b986229efe2cc96157aa14c37bab7843311bbef1
systemctl: bugfix for systemctl reboot command with argument"
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- correctly check for local vs. remote transport
- return after receiving error from expand_names()
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- report actual load error for units which could not be loaded
- make unit_find_paths() report all kinds of errors it encounters
(for consistency)
- consistently handle not-found errors in cat() and edit()
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After all it is now much more like strjoin() than strappend(). At the
same time, add support for NULL sentinels, even if they are normally not
necessary.
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This might be fixed one day, but for now it's better to fail.
https://bugzilla.redhat.com/show_bug.cgi?id=1186952
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According to systemctl man page, 'systemctl reboot [arg]' should work
without any errors. However, it does not work because of 'Invalid number
of arguments' error, except for 'reboot [arg]'. This patch fixes the bug
so that both of commands work in exactly the same way.
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This is exposed the memory.usage_in_bytes cgroup property on the bus,
and makes "systemctl status" show it in its default output.
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Types used for pids and uids in various interfaces are unpredictable.
Too bad.
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Plain implies a ... "plain" output.
Also do not say "No jobs" with --no-legend. We skip
reporting the number of jobs with --no-legend if there
are any, and 0 is also a number, and should be skipped.
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user-status" and "loginctl session-status"
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When there are a lot of split out journal files, we might run out of fds
quicker then we want. Hence: bump RLIMIT_NOFILE to 16K if possible.
Do these even for journalctl. On Fedora the soft RLIMIT_NOFILE is at 1K,
the hard at 4K by default for normal user processes, this code hence
bumps this up for users to 4K.
https://bugzilla.redhat.com/show_bug.cgi?id=1179980
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shared/install.c and use it
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https://bugzilla.redhat.com/show_bug.cgi?id=1175734
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If some sleep operation was not possible (e.g. because swap is missing),
we would try twice: once through logind, which would result in a clean error:
Failed to execute operation: Sleep verb not supported
and then second time by starting the appropriate unit directly, which is
more messy. If logind tells us that something is not possible (or already
in progress), report that to the user and quit. If logind is present and working
we should not try to work around it.
Loosely based on https://bugs.freedesktop.org/show_bug.cgi?id=87832.
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systemd-nspawn for containers
This is basically just a shortcut for "systemctl enable
systemd-nspawn@<foobar>.service", but does escaping.
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Pretty much everywhere else we use the generic term "machine" when
referring to containers in API, so let's do though in sd-bus too. In
particular, since the concept of a "container" exists in sd-bus too, but
as part of the marshalling system.
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The check for existing unit files and dropins is unified.
path_join() is updated to not insert duplicate separators.
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