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safe_atou16_full() is like safe_atou16() but also takes a base
parameter. safe_atou16() is then implemented as inline function on top
of it, passing 0 as base. Similar safe_atoux16() is reworked as inline
function too, with 16 as base.
If we can't send a message this is no reason to completely abort the
event handler.
Issue identified by Nandor Han <nandor.han@ge.com>, Sebastian Reichel
<sebastian.reichel@collabora.co.uk>.
Replaces: #8525
The type is "ssize_t", not "int", let's be accurate about that, as these
types are different on some archs.
Given that we don't actually care about the return value reall, drop
the whole assignment, just check if negative.
Let's use first_word() instead of startswith(), it's more explanatory
and a bit more correct. Also, let's use the return value instead of
adding +9 when looking for the second part of the directive.
.include lines are already deprecated somewhat, and for example
explicitly not mentioned in the documentation for this reason. Let's get
one step further and generatea warning when we encounter them (but still
process them).
Why are they deprecated? Because they are semantically awful — they
complicate stat() based mtime checks for configuration files and they
allow arbitrary loops we currently have zero protection against and
really shouldn't have to have.
Let's make sure we always initialize the return value if we return
non-negative.
Just a matter of coding style: we should always initialize our return
values when we return >= 0, and leave them unclobbered if we return < 0.
The warning is not emitted for absolute paths like /dev/sda or /home, which are
converted to .device and .mount unit names without any fuss.
Most of the time it's unlikely that users use invalid unit names on purpose,
so let's warn them. Warnings are silenced when --quiet is used.
$ build/systemctl show -p Id hello@foo-bar/baz
Invalid unit name "hello@foo-bar/baz" was escaped as "hello@foo-bar-baz" (maybe you should use systemd-escape?)
Id=hello@foo-bar-baz.service
$ build/systemd-run --user --slice foo-bar/baz --unit foo-bar/foo true
Invalid unit name "foo-bar/foo" was escaped as "foo-bar-foo" (maybe you should use systemd-escape?)
Invalid unit name "foo-bar/baz" was escaped as "foo-bar-baz" (maybe you should use systemd-escape?)
Running as unit: foo-bar-foo.service
Fixes#8302.
Let's better check this inside of the call than before it, so that we
never issue this while reloading, even should these calls be called due
to other reasons than just the unit notify.
This makes sure the reload state is unset a bit earlier in
manager_reload() so that we can safely call this function from there and
they do the right thing.
Follow-up for e63ebf71ed.
Since 2016, Hyperv devices moved to using standard way to expose UUID to sysfs. Fix the parsing function to work with the newer format.
Change log:
v2: changed code to work with both old and new path format
v3: changed guid_str_len type to size_t, fixed length in char guid[] in handle_scsi_hyperv()
This adds `setpwent()`, `getpwent_r()`, `endpwent()`, `setgrent()`,
`getgrent_r()`, and `endgrent()` interfaces to nss-systemd library.
Thus, dynamic users can be enumerated by e.g. `getent passwd` command.
No need to go through the specifier_printf() if the path is already too long in
the unexpanded form (since specifiers increase the length of the string in all
practical cases).
In the oss-fuzz test case, valgrind reports:
total heap usage: 179,044 allocs, 179,044 frees, 72,687,755,703 bytes allocated
and the original config file is ~500kb. This isn't really a security issue,
since the config file has to be trusted any way, but just a matter of
preventing accidental resource exhaustion.
https://oss-fuzz.com/v2/issue/4651449704251392/6977
While at it, fix order of arguments in the neighbouring log_syntax() call.
We update the boot ID whenever the file is opened for writing (i.e. set
to ONLINE stat), even if we never write a single entry to it. Hence,
don't insist that the last entry's boot ID matches the file header.
As pointed out by Matthijs van Duin:
https://lists.freedesktop.org/archives/systemd-devel/2018-March/040499.html
Previously the compression threshold was hardcoded to 512, which meant that
smaller values wouldn't be compressed. This left some storage savings on the
table, so instead, we make that number tunable.
