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Build option "link-boot-shared" to build a statically linked bootctl and
systemd-bless-boot by using
-Dlink-boot-shared=false
on systems with full systemd stack except bootctl and systemd-bless-boot,
such as CentOS/RHEL 9.
This is a soft disable. Passing `dbus-interfaces-dir` build option
will with path or 'yes' enable exports again even when cross
compiling. (maybe your environment will allow to execute
cross compiled binaries)
Currently, all the logic related to writing journal files lives in
journal-file.c which is part of libsystemd (sd-journal). Because it's
part of libsystemd, we can't depend on any code from src/shared.
To allow using code from src/shared when writing journal files, let's
gradually move the write related logic from journal-file.c to
journald-file.c in src/journal. This directory is not part of libsystemd
and as such can use code from src/shared.
We can safely remove any journal write related logic from libsystemd as
it's not used by any public APIs in libsystemd.
This commit introduces the new file along with the JournaldFile struct
which wraps an instance of JournalFile. The goal is to gradually move
more functions from journal-file.c and fields from JournalFile to
journald-file.c and JournaldFile respectively.
This commit also modifies all call sites that write journal files to
use JournaldFile instead of JournalFile. All sd-journal tests that
write journal files are moved to src/journal so they can make use of
journald-file.c.
Because the deferred closes logic is only used by journald, we move it
out of journal-file.c as well. In journal_file_open(), we would wait for
any remaining deferred closes for the file we're about to open to complete
before continuing if the file was not newly created. In journald_file_open(),
we call this logic unconditionally since it stands that if a file is newly
created, it can't have any outstanding deferred closes.
No changes in behavior are introduced aside from the earlier execution
of waiting for any deferred closes to complete when opening a new journal
file.
In 9cf75222f20 the conf.get() statements for `bpf-framework` and
`valgrind` were dropped, which causes the respective features to always
show as disabled (since they don't follow the "standard" naming scheme
with HAVE_/ENABLE_ prefixes).
It could work, but it doesn't make much sense. If we already have openssl as
the cryptolib that provides the necessary support, let's not bring in another
library. Disallowing this simplifies things and reduces our support matrix.
This allows resolved and importd to be built without libgcrypt.
Note that we now say either 'cryptographic library' or 'cryptolib'.
Co-authored-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
This is heavily based on Kevin Kuehler's work, but the logic is also
significantly changed: instead of a straighforward port to openssl, both
versions of the code are kept, and at compile time we pick one or the other.
The code is purposefully kept "dumb" — the idea is that the libgcrypt codepaths
are only temporary and will be removed after everybody upgrades to openssl 3.
Thus, a separate abstraction layer is not introduced. Instead, very simple
ifdefs are used to select one or the other. If we added an abstraction layer,
we'd have to remove it again afterwards, and it don't think it makes sense to
do that for a temporary solution.
Co-authored-by: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
# Conflicts:
# meson.build
meson-0.59.4-1.fc35.noarch says:
WARNING: You should add the boolean check kwarg to the run_command call.
It currently defaults to false,
but it will default to true in future releases of meson.
See also: https://github.com/mesonbuild/meson/issues/9300
When working on systemd, it's often useful to be able to comment out
a function to see how a build behaves without it. Currently, when doing
this with a static function that's only used once, the build fails because
the function then becomes unused. As such, Let's downgrade the unused
function error to a warning in local builds.
After reading https://simonbyrne.github.io/notes/fastmath/ I think we
should drop -ffast-math. The JSON code actually looks for NaN, so the
fact it becomes unreliable kinda sucks.
Moreover, we don't do any number crunching. We use floating point fields
only sporadical for trivial math. Hence the optimization is entirely
unnecessary.
Moving all of the gnu-efi detection into src/boot/efi/meson.build makes
more sense than having it partially split.
And thanks to subdir_done() we can simplify the code a lot.
Fixes: #21258
Getting the variable directly from pkg-config (without
adding the sysroot prefix) is prone to host contamination
when building in sysroots as the compiler starts looking for the
headers on the host in addition to the sysroot.
Signed-off-by: Alexander Kanavin <alex@linutronix.de>
This adds support for dm integrity targets and an associated
/etc/integritytab file which is required as the dm integrity device
super block doesn't include all of the required metadata to bring up
the device correctly. See integritytab man page for details.
glibc 2.30 (Aug 2019) added a wrapper for getdents64(). For older
versions let's define our own.
(This syscall exists since Linux 2.4, hence should be safe to use for
us)
In upstream, we have a linearly-growing list of net-naming-scheme defines;
we add a new one for every release where we make user-visible changes to the
naming scheme.
But the general idea was that downstream distributions could define their
own combinations (or even just their own names for existing combinations),
so provide stability for their users. So far this required patching of the
netif-naming-scheme.c and .h files to add the new lines.
With this patch, patching is not required:
$ meson configure build \
-Dextra-net-naming-schemes=gargoyle=v238+npar_ari+allow_rerenames,gargoyle2=gargoyle+nspawn_long_hash \
-Ddefault-net-naming-scheme=gargoyle2
or even
$ meson configure build \
-Dextra-net-naming-schemes=gargoyle=v238+npar_ari+allow_rerenames,gargoyle2=gargoyle+nspawn_long_hash,latest=v249 \
-Ddefault-net-naming-scheme=gargoyle2
The syntax is a comma-separated list of NAME=name+name+…
This syntax is a bit scary, but any typos result in compilation errors,
so I think it should be OK in practice.
With this approach, we don't allow users to define arbitrary combinations:
what is allowed is still defined at compilation time, so it's up to the
distribution maintainers to provide reasonable combinations. In this regard,
the only difference from status quo is that it's much easier to do (and harder
to do incorrectly, for example by forgetting to add a name to one of the
maps).
We used 'combo' type for the scheme list. For a while we forgot to add
new names, and recently aa0a23ec86 added v241, v243, v245, and v247.
I want to allow defining new values during configuration, which means
that we can't use meson to verify the list of options. So any value is
allowed, but then two tests are added: one that will fail compilation if some
invalid name is given (other than "latest"), and one that converts
DEFAULT_NET_NAMING_SCHEME to a NamingScheme pointer.
Before:
```
Compiling C object src/libsystemd-network/libsystemd-network.a.p/dhcp6-option.c.o
../src/libsystemd-network/dhcp6-option.c: In function ‘dhcp6_option_parse_ia’:
../src/libsystemd-network/dhcp6-option.c:633:70: warning: passing argument 3 of ‘dhcp6_option_parse’ makes pointer from integer without a cast [-Wint-conversion]
633 | r = dhcp6_option_parse(option_data, option_data_len, offset, &subopt, &subdata_len, &subdata);
| ^~~~~~
| |
| size_t {aka long unsigned int}
../src/libsystemd-network/dhcp6-option.c:358:25: note: expected ‘size_t *’ {aka ‘long unsigned int *’} but argument is of type ‘size_t’ {aka ‘long unsigned int’}
358 | size_t *offset,
| ~~~~~~~~^~~~~~
```
After:
```
../src/libsystemd-network/dhcp6-option.c: In function ‘dhcp6_option_parse_ia’:
../src/libsystemd-network/dhcp6-option.c:633:70: error: passing argument 3 of ‘dhcp6_option_parse’ makes pointer from integer without a cast [-Werror=int-conversion]
633 | r = dhcp6_option_parse(option_data, option_data_len, offset, &subopt, &subdata_len, &subdata);
| ^~~~~~
| |
| size_t {aka long unsigned int}
../src/libsystemd-network/dhcp6-option.c:358:25: note: expected ‘size_t *’ {aka ‘long unsigned int *’} but argument is of type ‘size_t’ {aka ‘long unsigned int’}
358 | size_t *offset,
| ~~~~~~~~^~~~~~
cc1: some warnings being treated as errors
```
Compilation would fail because we could have HAVE_SMACK_RUN_LABEL without
HAVE_SMACK. This doesn't make much sense, so let's just make -Dsmack=false
completely disable smack.
Also, the logic in smack-setup.c seems dubious: '#ifdef SMACK_RUN_LABEL'
would evaluate to true even if -Dsmack-run-label='' is used. I think
this was introduced in the conversion to meson:
8b197c3a8a57c3f7c231b39e5660856fd9580c80 added
AC_ARG_WITH(smack-run-label,
AS_HELP_STRING([--with-smack-run-label=STRING],
[run systemd --system with a specific SMACK label]),
[AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run with a smack label])],
[])
i.e. it really was undefined if not specified. And it was same
still in 72cdb3e783174dcf9223a49f03e3b0e2ca95ddb8 when configure.ac
was dropped.
So let's use the single conditional HAVE_SMACK_RUN_LABEL everywhere.
Units are copied out via sendmsg datafd from images, but that means
the SELinux labels get lost in transit. Extract them and copy them over.
Given recvmsg cannot use multiple IOV transparently when the sizes are
variable, use a '\0' as a separator between the filename and the label.
upstream meson stopped allowing combining boolean with the plus
operator, and now requires using the logical and operator
reference:
43302d3296Fixes: #20632
Add support for systemd-pkcs11 based LUKS2 device activation
via libcryptsetup plugin. This make the feature (pkcs11 sealed
LUKS2 keyslot passphrase) usable from both systemd utilities
and cryptsetup cli.
The feature is configured via -Dlibcryptsetup-plugins combo
with default value set to 'auto'. It get's enabled automatically
when cryptsetup 2.4.0 or later is installed in build system.
Add support for systemd-fido2 based LUKS2 device activation
via libcryptsetup plugin. This make the feature (fido2 sealed
LUKS2 keyslot passphrase) usable from both systemd utilities
and cryptsetup cli.
The feature is configured via -Dlibcryptsetup-plugins combo
with default value set to 'auto'. It get's enabled automatically
when cryptsetup 2.4.0 or later is installed in build system.
