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Red is used for highligting, the same as grep does. Except when the line is
highlighted red already, because it has high priority, in which case plain ansi
highlight is used for the matched substring.
Coloring is implemented for short and cat outputs, and not for other types.
I guess we could also add it for verbose output in the future.
Case sensitive or case insensitive matching can be requested using
--case-sensitive[=yes|no].
Unless specified, matching is case sensitive if the pattern contains any
uppercase letters, and case insensitive otherwise. This matches what
forward-search does in emacs, and recently also --ignore-case in less. This
works surprisingly well, because usually when one is wants to do case-sensitive
matching, the pattern is usually camel-cased. In the less frequent case when
case-sensitive matching is required with an all-lowercase pattern,
--case-sensitive can be used to override the automatic logic.
Now we have log_set_prohibit_ipc(), let's use it to clarify that
systemd-shutdown is not expected to try and log via journald (which it is
about to kill). We avoided ever asking systemd-shutdown to do this, but
it's more convenient for the reader if they don't have to think about that.
In that sense, it's similar to using assert() to validate a function's
arguments.
log_open_console() did not switch from stderr to /dev/console, when
"always_reopen_console" was set. It was necessary to call
log_close_console() first.
By contrast, log_open() did switch between e.g. journald and kmsg according
to the value of "prohibit_ipc".
Let's fix log_open() to respect the values of all the log options, and we
can make log_close_*() private.
Also log_close_console() is changed. There was some precaution, avoiding
closing the console fd if we are not PID 1. I think commit 48a601fe made
a little mistake in leaving this in, and it only served to confuse
readers :).
Also I changed systemd-shutdown. Now we have log_set_prohibit_ipc(), let's
use it to clarify that systemd-shutdown is not expected to try and log via
journald (which it is about to kill). We avoided ever asking it to, but
it's more convenient for the reader if they don't have to think about that.
In that sense, it's similar to using assert() to validate a function's
arguments.
Previously, we'd refuse open journal files with suffixes that aren't
either .journal or .journal~. With this change we only care when we are
creating the journal file.
I looked over the sources to see whether we ever pass files discovered
by directory enumeration to journal_file_open() without first checking
the suffix (in which case the old check made sense), but I couldn't find
any. hence I am pretty sure removing this check is safe.
Fixes: #7972
I used 'tags' before because this way we avoided a unnecessary
line about 'env' detection. But we cannot use 'env' in test(), so
previous commit added 'env' detection. We might just as well use
it in custom_target().
This is a bit painful because a separate build of systemd is necessary. The
tests are guarded by tests!=false and slow-tests==true. Running them is not
slow, but compilation certainly is. If this proves unwieldy, we can add a
separate option controlling those builds later.
The build for each sanitizer has its own directory, and we build all fuzzer
tests there, and then pull them out one-by-one by linking into the target
position as necessary. It would be nicer to just build the desired fuzzer, but
we need to build the whole nested build as one unit.
[I also tried making systemd and nested meson subproject. This would work
nicely, but meson does not allow that because the nested target names are the
same as the outer project names. If that is ever fixed, that would be the way
to go.]
v2:
- make sure things still work if memory sanitizer is not available
v3:
- switch to syntax which works with meson 0.42.1 found in Ubuntu
If we have to force the logging to close the journal fd, then we can open
any fallback log target. E.g. kmsg, if the target was the default
JOURNAL_OR_KMSG.
This is the behaviour I would expect from the documentation. I couldn't
find any justification in the code, for why we would want to start dropping
log messages instead of sending them to the fallback target.
This means we will match the behaviour of processes which we fork and which
set `open_when_needed`, and with generators - which use
log_set_prohibit_ipc(true) - which we fork+exec during a reload.
IMO this illustrates that the log_open/log_close interface is too clunky.
So with the behaviour settled, I will refactor the interface in the next
commit :).
It turns out that link local doesn't make much sense in its context.
Since link local is disabled by the kernel driver, it's important that
networkd assumes it's off too, so that the link can reach the
"configured" stage, without waiting indefinitely for link local
addresses which will never come.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Previously, we'd explicitly use "GetUnit()" on the server side to
convert a unit name into a bus path, as that function will return an
error if the unit is not currently loaded. If we'd convert the path on
the client side, and access the unit this way directly the unit would be
loaded automatically in the background.
The old logic was done in order to minimize the effect of "is-active" on
the system, i.e. that a monoitoring command does not itself alter the
state of the system.
however, this is problematic as this can lead to confusing results if
the queried unit name is an alias that currently is not loaded: we'd
claim the unit wasn't active even though this isn't strictly true: the
unit the name is an alias for might be.
Hence, let's simplify the code, and accept that we might end up loading
a unit briefly here, and let's make "systemctl is-active" skip the
GetUnit() thing and calculate the unit path right away.
Fixes: #7875
Before this, `systemctl show` for calendar type timer unit outputs
something like below.
```
NextElapseUSecRealtime=48y 3w 3d 15h
NextElapseUSecMonotonic=0
LastTriggerUSec=48y 3w 3d 3h 41min 44.093095s
LastTriggerUSecMonotonic=0
```
As both NextElapseUSecRealtime= and LastTriggerUSec= are not timespan
but timestamp, this makes format these values by `format_timestamp()`.
/dev/mmcblk0boot0 is a partition found in eMMC
This is not relevant for mounting
This complement the previous fix as reported in
https://github.com/systemd/systemd/issues/5806
Signed-off-by: Nicolas Chauvet <kwizart@gmail.com>
This test tests the systemd-sysuser binary via the --root=$TESTDIR
option and ensures that for the given inputs the expected passwd
and group files will be generated.
This means we have more predicable behavior for "u foo uid:gid" lines
and also makes the generated files appear in the same order as the
inputs. So e.g.
```
u root 0 - /root
u daemon 1 - /usr/sbin
u games 5:60 - /usr/games
```
will generate
```
root❌0:0::/root:/bin/sh
daemon❌1:1::/usr/sbin:/sbin/nologin
games❌5:60::/usr/games:/sbin/nologin
```
This PR allows to write sysuser.conf lines like:
```
u games 5:60 -
```
This will create an a "games" user with uid 5 and games group with
gid 60. This is arguable ugly, however it is required to represent
certain configurations like the default passwd file on Debian and
Ubuntu.
When the ":" syntax is used and there is a group with the given
gid already then no new group is created. This allows writing the
following:
```
g unrelated 60
u games 5:60 -
```
which will create a "games" user with the uid 5 and the primary
gid 60. No group games is created here (might be useful for [1]).
[1] https://pagure.io/packaging-committee/issue/442
