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The tests wants to call some workers with a delay. This implements the delay
directly in test-udev so that the caller can be simplified.
Note that the argument is to be used by the other test file, so this is
purposefully implemented in a simple way.
The previous error code -ERANGE is slightly ambiguous, and use more
specific one. This also drops unnecessary error handlings.
Follow-up for 754d8b9c33 and
e652663a04.
This retains the use of policy sessions instead of trial sessions
in most cases, based on the code comment that some TPMs do not
implement trial sessions correctly. However, it's likely that the
issue was not the TPMs, but our code's incorrect use of PolicyPCR
inside a trial session; we are not providing expected PCR values
with our call to PolicyPCR inside a trial session, but the spec
indicates that in a trial session, the TPM *may* return error if
the expected PCR value(s) are not provided. That may have been the
source of the original confusion about trial sessions.
More details:
https://github.com/systemd/systemd/pull/26357#pullrequestreview-1409983694
Also, future commits will replace the use of trial sessions with
policy calculations, which avoids the problem entirely.
The usage of PREFIX in this completion is mostly counter to the intended
usage of compsys in zsh. It is generally expected that completion code
provide the available completions and tags in that word position so that
compsys, with user configuration, can filter them to the appropriate set.
One egregious error caused by the usage of PREFIX here is the caching of
SYS_ALL_UNITS, which stored only the unit names prematurely filtered by
the completion prefix, affecting all future completions. For example,
$ systemctl cat nonsense<TAB>
might find no matching units if nonsense* has no matches, but now
$ systemctl cat <TAB>
will fail in all future completions even though every unit file
is a valid match, because the cached set has been erroneously filtered
by the last prefix.
If a container manager does not follow the guidance in
https://systemd.io/CONTAINER_INTERFACE/ regarding audit capabilities,
then the current check may not be sufficient to determine that audit
will function properly. In particular, when calling bind() on the audit
fd, we will get EPERM if running in a user-namespaced container.
Expand the check to make an AUDIT_GET_FEATURE request on the audit fd to
test if it is working. If this fails with ECONNREFUSED, we know it is
because the kernel does not support the use of audit outside of the
initial user namespace.
Note that the approach of this patch was suggested here:
https://github.com/systemd/systemd/pull/19443#issuecomment-829566659Fixes: #6519
As in mkosi(1), let's describe the config file and commandline options
together. This is nice for us, because we don't need to duplicate descriptions
and we're less likely to forget to update one place or the other. This is also
nice for users, because they can easily figure out what can be configured
where.
The options are now ordered by config file section.
--summary was not described before.
More examples are added.
The usual approach is to put 'addopts = --flakes' in setup.cfg. Unfortunately
this fails badly when pytest-flakes is not installed:
ERROR: usage: test_ukify.py [options] [file_or_dir] [file_or_dir] [...]
test_ukify.py: error: unrecognized arguments: --flakes
pytest-flakes is not packaged everywhere, and this test is not very important,
so let's just do it only if pytest-flakes is available. We now detect if
pytest-flakes is available and only add '--flakes' conditionally. This
unfortunately means that when invoked via 'pytest' or directly as
'src/ukify/test/test_ukify.py', '--flakes' will not be appended automatically.
But I don't see a nice way to achieve previous automatic behaviour.
(I first considered making 'setup.cfg' templated. But then it is created
in the build directory, but we would need it in the source directory for
pytest to load it automatically. So to load the file, we'd need to give an
argument to pytest anyway, so we don't gain anything with this more complex
approach.)
Note to self: PEP 585 introduced using collection types as types,
and is available since 3.9. PEP 604 allows writing unions with "|",
but is only available since 3.10, so not yet here because we maintain
compat with 3.9.
We install a kernel with layout=uki and uki_generator=ukify, and test
that a UKI gets installed in the expected place. The two plugins cooperate,
so it's easiest to test them together.
60-ukify.install calls ukify with a config file, so singing and policies and
splash will be done through the ukify config file, without 60-ukify.install
knowing anything directly.
In meson.py, the variable for loaderentry.install.in is used just once, let's
drop it. (I guess this approach was copied from kernel_install_in, which is
used in another file.)
The general idea is based on cvlc12's #27119, but now in Python instead of
bash.
In some ways this is similar to mkosi: we have a argparse.ArgumentParser()
with a bunch of options, and a configparser.ConfigParser() with an
overlapping set of options. Many options are settable in both places, but
not all. In mkosi, we define this in three places (a dataclass, and a
function for argparse, and a function for configparser). Here, we have one
huge list of ConfigItem instances. Each instance specifies the full metadata
for both parsers. Argparse generates a --help string for all the options,
and we also append a config file sample to --help based on the ConfigItem
data:
$ python src/ukify/ukify.py --help|tail -n 25
config file:
[UKI]
Linux = LINUX
Initrd = INITRD…
Cmdline = TEXT|@PATH
OSRelease = TEXT|@PATH
DeviceTree = PATH
Splash = BMP
PCRPKey = KEY
Uname = VERSION
EFIArch = ia32|x64|arm|aa64|riscv64
Stub = STUB
PCRBanks = BANK…
SigningEngine = ENGINE
SecureBootPrivateKey = SB_KEY
SecureBootCertificate = SB_CERT
SignKernel = SIGN_KERNEL
[PCRSignature:NAME]
PCRPrivateKey = PATH
PCRPublicKey = PATH
Phases = PHASE-PATH…
While writing this I needed to check the argument parsing, so I added
a --summary switch. It just pretty-prints the resulting option dictionary:
$ python src/ukify/ukify.py /efi//3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/linux /efi//3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/initrd --pcr-private-key=PRIV.key --pcr-public-key=PUB.key --config=man/ukify-example.conf --summary
Host arch 'x86_64', EFI arch 'x64'
{'_groups': [0, 'initrd', 'system'],
'cmdline': 'A1 B2 C3',
'config': 'man/ukify-example.conf',
'devicetree': None,
'efi_arch': 'x64',
'initrd': [PosixPath('initrd1'),
PosixPath('initrd2'),
PosixPath('initrd3'),
PosixPath('/efi/3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/initrd')],
'linux': PosixPath('/efi/3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/linux'),
'measure': None,
'os_release': PosixPath('/etc/os-release'),
'output': 'linux.efi',
'pcr_banks': ['sha1', 'sha384'],
'pcr_private_keys': [PosixPath('PRIV.key'),
PosixPath('pcr-private-initrd-key.pem'),
PosixPath('pcr-private-system-key.pem')],
'pcr_public_keys': [PosixPath('PUB.key'),
PosixPath('pcr-public-initrd-key.pem'),
PosixPath('pcr-public-system-key.pem')],
'pcrpkey': None,
'phase_path_groups': [None,
['enter-initrd'],
['enter-initrd:leave-initrd',
'enter-initrd:leave-initrd:sysinit',
'enter-initrd:leave-initrd:sysinit:ready']],
'sb_cert': PosixPath('mkosi.secure-boot.crt'),
'sb_key': PosixPath('mkosi.secure-boot.key'),
'sections': [],
'sign_kernel': None,
'signing_engine': None,
'splash': None,
'stub': PosixPath('/usr/lib/systemd/boot/efi/linuxx64.efi.stub'),
'summary': True,
'tools': None,
'uname': None}
With --summary, existence of input paths is not checked. I think we'll
want to show them, instead of throwing an error, but in red, similarly to
'bootctl list'.
This also fixes tests which were failing with e.g.
E FileNotFoundError: [Errno 2] No such file or directory: '/ARG1'
=========================== short test summary info ============================
FAILED ../src/ukify/test/test_ukify.py::test_parse_args_minimal - FileNotFoun...
FAILED ../src/ukify/test/test_ukify.py::test_parse_args_many - FileNotFoundEr...
FAILED ../src/ukify/test/test_ukify.py::test_parse_sections - FileNotFoundErr...
=================== 3 failed, 10 passed, 3 skipped in 1.51s ====================
This is closely related to the previous commit: if the credentials dir
is empty and nothing mounted on it, let's remove it again.
This will in particular happen if we decided to not actually install the
mount we prepared for the credentials because it is empty. In that case
the mount point inode is already there, and with this we'll remove it.
Primary effect, users will see ENOENT rather than EACCESS when trying to
access it, which should be preferable, given we already handle that
nicely in our credential consumption code.
This should also be useful on systems where we lack any privs to create
mounts, and thus operate on a regular dir anyway.
