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Currently, each change to NEWS triggers a meson reconfigure that
changes SOURCE_EPOCH which causes a full rebuild. Since NEWS changes
relatively often, we have a full rebuild each time we pull from
master even if we pull semi-regularly. This is further compounded
when using branches since NEWS has a relatively high chance to
differ between branches which causes git to update the modification
time, leading to a full rebuild when switching between branches.
We fix this by using the creation time of the latest git tag instead.
There are a lot of edge cases that the current implementation
doesn't handle, especially in cases where one of passwd/shadow
exists and the other doesn't exist. For example, if
--root-password is specified, we will write /etc/shadow but
won't add a root entry to /etc/passwd if there is none.
To fix some of these issues, we constrain systemd-firstboot to
only modify /etc/passwd and /etc/shadow if both do not exist
already (or --force) is specified. On top of that, we calculate
all necessary information for both passwd and shadow upfront so
we can take it all into account when writing the actual files.
If no root password options are given --force is specified or both
files do not exist, we lock the root account for security purposes.
Fixes#16401.
c80a9a33d0 introduced the .can_fail field,
but didn't set it on .targets. Targets can fail through dependencies.
This leaves .slice and .device units as the types that cannot fail.
$ systemctl cat bad.service bad.target bad-fallback.service
[Service]
Type=oneshot
ExecStart=false
[Unit]
OnFailure=bad-fallback.service
[Service]
Type=oneshot
ExecStart=echo Fixing everythign!
$ sudo systemctl start bad.target
systemd[1]: Starting bad.service...
systemd[1]: bad.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: bad.service: Failed with result 'exit-code'.
systemd[1]: Failed to start bad.service.
systemd[1]: Dependency failed for bad.target.
systemd[1]: bad.target: Job bad.target/start failed with result 'dependency'.
systemd[1]: bad.target: Triggering OnFailure= dependencies.
systemd[1]: Starting bad-fallback.service...
echo[46901]: Fixing everythign!
systemd[1]: bad-fallback.service: Succeeded.
systemd[1]: Finished bad-fallback.service.
This reverts commit c7220ca802.
The removal was done as a reaction to the messages from systemd:
initrd-root-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd-root-device.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
local-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
...
But it seems that the messages themselves are wrong, and the units were OK.
The Address objects in the set generated by ndisc_router_generate_addresses()
have the equivalent prefixlen, flags, prefered lifetime.
This commit makes ndisc_router_generate_addresses() return Set of
in6_addr.
The CI occasionally fail in test-path with a timeout. test-path loads
units from the filesystem, and this conceivably might take more than
the default limit of 3 s. Increase the timeout substantially to see if
this helps.
This reverts commit 0b57803630.
From https://github.com/systemd/systemd/pull/16503#issuecomment-660212813:
systemd-vconsole-setup (the binary) is supposed to run asynchronously by udev
therefore ordering early interactive services after systemd-vconsole-setup.service
has basically no effect.
Let's remove this paragraph. It's better to say nothing than to give pointless
advice.
Opening a verity device is an expensive operation. The kernelspace operations
are mostly sequential with a global lock held regardless of which device
is being opened. In userspace jumps in and out of multiple libraries are
required. When signatures are used, there's the additional cryptographic
checks.
We know when two devices are identical: they have the same root hash.
If libcrypsetup returns EEXIST, double check that the hashes are really
the same, and that either both or none have a signature, and if everything
matches simply remount the already open device. The kernel will do
reference counting for us.
In order to quickly and reliably discover if a device is already open,
change the node naming scheme from '/dev/mapper/major:minor-verity' to
'/dev/mapper/$roothash-verity'.
Unfortunately libdevmapper is not 100% reliable, so in some case it
will say that the device already exists and it is active, but in
reality it is not usable. Fallback to an individually-activated
unique device name in those cases for robustness.
../src/home/homectl-pkcs11.c:19:13: warning: ‘pkcs11_callback_data_release’ defined but not used [-Wunused-function]
19 | static void pkcs11_callback_data_release(struct pkcs11_callback_data *data) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
The docs for XZ don't seem to answer this at first blush, or maybe
I'm looking in the wrong place... This might make XZ less terribly slow,
but on the other hand, almost nobody uses it, so it doesn't matter that
much.
decompress_blob_zstd() would allocate ever bigger buffers in a loop trying to
get a buffer big enough to decompress the input data. This is wasteful, since
we can just query the size of the decompressed data from the compressed header.
Worse, it doesn't work when the output size is capped, i.e. when dst_max != 0.
If the decompressed blob happened to be bigger than dst_max, decompression
would fail with -ENOBUFS. We need to use "stream decompression" instead, and
only get min(uncompressed size, dst_max) bytes of output.
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1856037 in a second way.
SD_JOURNAL_FOREACH_DATA() and SD_JOURNAL_FOREACH_UNIQUE() would immediately
terminate when a field couldn't be accessed. This can happen for example when a
field is compressed with an unavailable compression format. But it's likely
that this is the wrong thing to do: the caller for example might want to
iterate over the fields but isn't interested in all of them. coredumpctl is
like this: it uses SD_JOURNAL_FOREACH_DATA() but only uses a subset of the
fields.
Add two new functions sd_journal_enumerate_good_data() and
sd_journal_enumerate_good_unique() that retry sd_journal_enumerate_data() and
sd_journal_enumerate_unique() if the return value is something that applies to
a single field: ENOBUS, E2BIG, EOPNOTSUPP.
Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1856037.
An alternative would be to make the macros themselves smarter instead of adding
new symbols, and do the looping internally in the macro. I don't like that
approach for two reasons. First, it would embed the logic in the macro, so
recompilation would be required if we decide to update the logic. With the
current version of the patch, recompilation is required to use the new symbols,
but after that, library upgrades are enough. So the current approach is safer
in case further updates are needed. Second, our headers use primitive C, and it
is hard to do the macros without using newer features.
Let's split this out into its own helper function we can reuse at
various places.
Also, let's avoid signed values where we can so that we can cover more
of the available time range.
Let's use the new flag wherever we read key material/passphrases/hashes
off disk, so that people can plug in their own IPC service as backend if
they like, easily.
(My main goal was actually to support this for crypttab key files — i.e.
that you can specify AF_UNIX sockets as third column in crypttab — but
that's harder to implement, since the keys are read via libcryptsetup's
API, not ours.)
