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'systemctl status /../dev' now looks for 'dev.mount', not '-..-dev.service',
and 'systemctl status /../foo' looks for 'foo.mount', not '-..-foo.service'. I
think this much more useful. I think the escaping is not very useful, so I plan
to submit a later series which changes that behaviour. But I think this first
step here is already useful on its own.
Note that the patch is smaller than it seems: before, is_device_path() would
return true only for absolute paths, so moving of is_device_path() under the
path_is_absolute() conditional doesn't influence the logic.
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Recent gcc versions have started to trigger false positive
maybe-uninitialized warnings. Let's make sure we initialize
variables annotated with _cleanup_ to avoid these.
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In various tools and services we have a per-system and per-user concept.
So far we sometimes used a boolean indicating whether we are in system
mode, or a reversed boolean indicating whether we are in user mode, or
the LookupScope enum used by the lookup path logic.
Let's address that, in introduce a common enum for this, we can use all
across the board.
This is mostly just search/replace, no actual code changes.
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Fixes an issue reported at https://github.com/systemd/systemd/issues/22576#issuecomment-1396774385.
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util.h is now about logarithms only, so we can rename it. Many files included
util.h for no apparent reason… Those includes are dropped.
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When building in a chroot there might not be any machine-id
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Create "hashed" unit names from long paths
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at the end
Fixes #18077
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We use "hostname" exclusively in docs, and also in a big majority of the
code. Let's use the same spelling in remaining places.
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It turns out that in fa3cd7394c227ad38c5c09b2bc2d035e7fb14a76 back
in 2013 I got the test reversed: assert_se(strncmp()) should be
assert_se(strncmp==0). So the tests that were using "*" were not entirely
useful ;) The function was refactored a bunch of times since then, and it
seems nobody noticed.
So let's replace this fragile construct by a simple fnmatch, which also
has the advantage that the glob can be inserted in arbitrary places.
Following up for d0aba07f1ac8d6df2ccfa033fe1e195b1b9e5272: we should have at
least basic tests for all interfaces, even the deprecated ones, so that we
catch obvious errors. This sorts the specifiers the same way that they are
declared in the unit-printf.c, and adds tests for all the specifiers. We
even were setting 'shell', but not using it in a test.
Also, we shouldn't initialize variables in tests. This catches the error fixed
in previous commit.
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As suggested in
https://github.com/systemd/systemd/pull/22649/commits/8b3ad3983f5440eef812b34e5ed862ca59fdf7f7#r837345892
The define is generalized and moved to path-lookup.h, where it seems to fit
better. This allows a recursive include to be removed and in general makes
things simpler.
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Addresses https://github.com/systemd/systemd/pull/22338#discussion_r796741033.
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C macros are nasty. We use them, but we try to be conservative with
them. In particular passing literal, complex code blocks as argument is
icky, because of "," handling of C, and also because it's quite a
challange for most code highlighters and similar. Hence, let's avoid
that. Using macros for genreating functions is OK but if so, the
parameters should be simple words, not full code blocks.
hence, rework DEFINE_CUSTOM_TEST_MAIN() to take a function name instead
of code block as argument.
As side-effect this also fixes a bunch of cases where we might end up
returning a negative value from main().
Some uses of DEFINE_CUSTOM_TEST_MAIN() inserted local variables into the
main() functions, these are replaced by static variables, and their
destructors by the static destructor logic.
This doesn't fix any bugs or so, it's just supposed to make the code
easier to work with and improve it easthetically.
Or in other words: let's use macros where it really makes sense, but
let's not go overboard with it.
(And yes, FOREACH_DIRENT() is another one of those macros that take
code, and I dislike that too and regret I ever added that.)
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Note that test-cgroup-mask, test-cgroup-unit-default and test-unit-name will now
report being skipped instead of reporting success if not run under systemd.
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To prevent situations like in #17602 from happening, let's drop
direct recursive template dependencies. These will almost certainly
lead to infinite recursion so let's drop them immediately to avoid
instantiating potentially thousands of irrelevant units.
Example of a template that would lead to infinite recursion which
is caught by this check:
notify@.service:
```
[Unit]
Wants=notify@%n.service
```
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This fixes repart's, systemctl's, sysusers' and tmpfiles' specifier
expansion to honour the root dir specified with --root=. This is
relevant for specifiers such as %m, %o, … which are directly sourced
from files on disk.
This doesn't try to be overly smart: specifiers referring to runtime
concepts (i.e. boot ID, architecture, hostname) rather than files on the
medium are left as is. There's certainly a point to be made that they
should fail in case --root= is specified, but I am not entirely convinced
about that, and it's certainly something we can look into later if
there's reason to.
I wondered for a while how to hook this up best, but given that quite a
large number of specifiers resolve to data from files on disks, and most
of our tools needs this, I ultimately decided to make the root dir a
first class parameter to specifier_printf().
Replaces: #16187
Fixes: #16183
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path to a unit name
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The function returns non-negative UnitNameFlags on success, and negative
errno on error. In the past we kept the return type as int because of those
negative return values. But nowadays _UNIT_NAME_INVALID == -EINVAL. And if
we tried to actually return something that doesn't fit in the return type,
the compiler would throw an error. By changing to the "real" return type,
we allow the debugger to use symbolic representation for the variables.
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Also, add a test which verifies the issue is indeed gone.
Fixes: CID#1429014
Followup to: ab19db01ae1826efb3cbdf6dcb6a14412f8844d4
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Without that, a check like unit_name_to_instance(...) < 0 would not
have the expected effect.
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Refactor the bpf devices code and fix some bugs
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I don't think there's any particular reason to keep those functions in a separate
file.
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There is nothing magic in it.
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This makes it easier to see what unit_name_is_valid() returns at a glance.
The output is not whitespace clean, but I think it's good enough for a test.
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Discussed in #13743, the -.service semantic conflicts with the
existing root mount and slice names, making this feature not
uniformly extensible to all types. Change the name to be
<type>.d instead.
Updating to this format also extends the top-level dropin to
unit types.
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-.service.d will become a special top level drop in so don't let it be a
usable service name (otherwise the interaction gets complicated).
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This could already be done by calling unit_name_is_*(), but if we don't know
if the argument is a valid unit name, it is more convenient to have a single
function which returns the type or possibly an error if the unit name is not
valid.
The values in the enum are sorted "by length". Not really important, but it
seems more natural to me.
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This means we need to include many more headers in various files that simply
included util.h before, but it seems cleaner to do it this way.
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There is one for systemd-fsck@.service, so for consistency...
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The advantages are that we save a few lines, and that we can override
logging using environment variables in more test executables.
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Fixes #9320.
for p in Shapovalov Chevalier Rozhkov Sievers Mack Herrmann Schmidt Rudenberg Sahani Landden Andersen Watanabe; do
git grep -e 'Copyright.*'$p -l|xargs perl -i -0pe 's|/([*][*])?[*]\s+([*#]\s+)?Copyright[^\n]*'$p'[^\n]*\s*[*]([*][*])?/\n*|\n|gms; s|\s+([*#]\s+)?Copyright[^\n]*'$p'[^\n]*\n*|\n|gms'
done
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perl -i -0pe 's/\s*Copyright © .... Zbigniew Jędrzejewski.*?\n/\n/gms' man/*xml
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/(#\n)?# +Copyright © [0-9, -]+ Zbigniew Jędrzejewski.*?\n//gms'
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/\s*\/\*\*\*\s+Copyright © [0-9, -]+ Zbigniew Jędrzejewski[^\n]*?\s*\*\*\*\/\s*/\n\n/gms'
git grep -e 'Copyright.*Jędrzejewski' -l | xargs perl -i -0pe 's/\s+Copyright © [0-9, -]+ Zbigniew Jędrzejewski[^\n]*//gms'
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Let's unify an beautify our remaining copyright statements, with a
unicode ©. This means our copyright statements are now always formatted
the same way. Yay.
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These lines are generally out-of-date, incomplete and unnecessary. With
SPDX and git repository much more accurate and fine grained information
about licensing and authorship is available, hence let's drop the
per-file copyright notice. Of course, removing copyright lines of others
is problematic, hence this commit only removes my own lines and leaves
all others untouched. It might be nicer if sooner or later those could
go away too, making git the only and accurate source of authorship
information.
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This part of the copyright blurb stems from the GPL use recommendations:
https://www.gnu.org/licenses/gpl-howto.en.html
The concept appears to originate in times where version control was per
file, instead of per tree, and was a way to glue the files together.
Ultimately, we nowadays don't live in that world anymore, and this
information is entirely useless anyway, as people are very welcome to
copy these files into any projects they like, and they shouldn't have to
change bits that are part of our copyright header for that.
hence, let's just get rid of this old cruft, and shorten our codebase a
bit.
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