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user-record.[ch] are about the UserRecord JSON stuff, and the UID
allocation range stuff (i.e. login.defs handling) is a very different
thing, and complex enough on its own, let's give it its own c/h files.
No code changes, just some splitting out of code.
So far we have two properties for the intended fstype + access mode of
home dirs, but they might differ from what is actually used (because the
user record changed from the home dir, after it was created, or vice
versa). Let's hence add these props also to the "status" section of user
record, which report the status quo. That way we can always show the
correct, current settings.
We later want to query per-home free status for implementing automatic
grow/shrink of home directories, hence let's separate the JSON
generation from the disk free status determination.
This adds to new helpers: keyring_read() for reading a key data from a
keyring entry, and TAKE_KEY_SERIAL which is what TAKE_FD is for fds, but
for key_serial_t.
The former is immediately used by ask-password-api.c
We need random access read/write files, and compression sucks for that,
hence disable it on the underlying files.
Compression in the home directory might be desirable, but if so it
should be done *inside* the home dir fs, not on the underlying fs.
This adds an esay way to override the default mount options to use for
LUKS home dirs via the env vars SYSTEMD_HOME_MOUNT_OPTIONS_EXT4,
SYSTEMD_HOME_MOUNT_OPTIONS_BTRFS, SYSTEMD_HOME_MOUNT_OPTIONS_XFS.
See: #15120
In delete_rule(), we already checked that the rule name is a valid file name
(i.e. no slashes), so we can just trivially append.
Also, let's always reject rules that we would later fail to delete. It's
probably better to avoid such confusion.
And print the operations we do with file name and line number. I hope this
helps with cases like https://github.com/systemd/systemd/pull/21178. At least
we'll know what rule failed.
$ sudo SYSTEMD_LOG_LEVEL=debug build/systemd-binfmt
Flushed all binfmt_misc rules.
Applying /etc/binfmt.d/kshcomp.conf…
/etc/binfmt.d/kshcomp.conf:1: binary format 'kshcomp' registered.
Let's make all code in namespace.c robust towards weird umask. This
doesn't matter too much given that the parent dirs we deal here almost
certainly exist anyway, but let's clean this up anyway and make it fully
clean.
Let's reset the umask during the whole namespace_setup() logic, so that
all our mkdir() + mknod() are not subjected to whatever umask might
currently be set.
This mostly moves the umask save/restore logic out of
mount_private_dev() and into the stack frame of namespace_setup() that
is further out.
Fixes#19899
We have two different places where we re-trigger the run queue now.
let's unify it under a common function, that is part of the Manager
code.
Follow-up for #20953
systemd-run --scope --user failed to run in system 249.6, cf. #21297. Add tests
for systemd-run --scope and systemd-run --scope --user to make sure this does
not regress again.
I think we should stick to the rule that stuff defined in
types-fundamental.h either:
1. adds a prefixed concept "sd_xyz" that maps differently in the two
environments
2. adds a non-prefixed concept "xyz" that adds a type otherwise missing
in one of the two environments but with the same definition as in the
other.
i.e. if have have some concept that might differ the way its set up in
the two environments it really should be prefixed by "sd_" to make clear
it has semantics we defined. Only drop the prefix if it really means the
exact same thin in all environments.
Now, sd_bool is defined prefixed, because its either mapped to "BOOLEAN"
(which is an integer) in UEFI or "bool" (which is C99 _Bool) in
userspace. size_t is not defined prefixed, because it's mapped to the
same thing ultimately (on the UEFI its mapped to UINTN, but that in turn
is defined as being the type for the size of memory objects, thus it's
really the same as userspace size_t).
So far "true" and "false" where defined unprefixed even though they map
to values of different types. typeof(true) in userspace would reveal
_Bool, but typeof(false) in UEFI would reveal BOOLEAN. The distinction
actually does matter in comparisons (i.e. (_Bool) 1 == (_Bool) 2 holds
while (BOOLEAN) 1 == (BOOLEAN) 2 does not hold).
Hence, let's add sd_true and sd_false, thus indicating we defined our
own concept here, and it has similar but different semantics in UEFI and
in userspace.
"type.h" is a very generic name, but this header is very specific to
making the "fundaemtnal" stuff work, it maps genric types in two
distinct ways. Hence let's make clear in the header name already what
this is about.
