Hans de Goede [Tue, 31 Aug 2021 13:49:33 +0000 (15:49 +0200)]
hwdb: sensors: Fix some modalias matches no longer working with newer kernels
Kernels >= 5.8 have added new fields to the dmi/id/modalias file in the
middle of the modalias (instead of adding them at the end).
Specifically new ":br<value>:" and (optional) ":efr<value>:" fields have
been added between the ":bd<value>:" and ":svn<value>:" fields.
Note the 5.13.0 and 5.14.0 kernels also added a new ":sku<value>:" field
between the ":pvr<value>:" and ":rvn<value>:" fields, this has been fixed
in later 5.13.y and 5.14.y releases, by moving the sku field to the end:
https://lore.kernel.org/lkml/20210831130508.14511-1-hdegoede@redhat.com/
Unfortunately the same cannot be done for the new br and efr fields since
those have been added more then a year ago and hwdb even already has some
newer entries relying on the new br field being there (and thus not working
with older kernels).
Fix the issue with the br and efr fields through the following changes:
1. Replace any matches on ":br<value>" from newer entries with an '*'
2. Replace "bd<value>:svn<value>" matches with: "bd<value>:*svn<value>"
inserting an '*' where newer kernels will have the new br + efr fields
This makes these matches working with old as well as new kernels.
Let's switch from the low-level SHA256 APIs to EVP APIs. The former are
deprecated on OpenSSL 3.0, the latter are supported both by old
OpenSSL and by OpenSSL 3.0, hence are the better choice.
core: drop "const" from NeedsDaemonReload unit dbus property
It's not "const", it can change any time if people change the fs, and we
don#t send out notifications for it. Hence don't claim it was const.
(Otherwise clients might cache it, but they should not)
According to the various man pages of "resolvconf" the -u switch is for:
"-u Just run the update scripts (if updating is enabled)."
"-u Force resolvconf to update all its subscribers. resolvconf does not
update the subscribers when adding a resolv.conf that matches what
it already has for that interface."
We have no "subscribers", we ourselves are the only "subscriber" we
support. Hence it's probably better to ignore such a request and make it
a NOP, then to fail.
sd-dhcp6-client: do not merge NTP and SNTP options
Previously, SNTP option is ignored when it appears after NTP option(s),
but merged later NTP options when it appears first.
This makes split the NTP and SNTP addresses, and use SNTP addresses only
when no NTP option is provided.
This makes
- the function not update the arguments for storing results on error,
- use dhcp6_option_parse() to parse sub options,
- ignore all errors, except for -ENOMEM, in parsing sub options,
- update log messages.
sd-dhcp6-client: make dhcp6_option_parse_status() also parse error message
This also introduce dhcp6_option_parse_ia_options(). Currently, it is
assumed that each IA address or PD prefix may contain a status sub-option.
But it is not prohibited that other sub-options or multiple status
options are contained.
- merge dhcp6_option_parse() with option_parse_hdr().
- do not assign/update any values on error.
- use assert() instead of assert_return(), as the assertions cannot
be triggered by a library user.
sysctl-util: minimize side-effects when running `systemd-sysctl`
Currently `systemd-sysctl` binary is used in `systemd-sysctl.service`
which is mostly configured as `oneshot`. There are situations where one
would like to use systemd to maintain Sysctl configurations on a host,
using a configuration managers such as Chef or Puppet, by apply
configurations every X duration.
The problem with using `systemd-sysctl` is that it writes all the Sysctl
settings, even if the values for those settings have not changed. From
experience, we have observed that some Sysctl settings cause actions in
the kernel upon writing(like dropping caches) which in turn cause
undesired side effects.
This patch tries to minimize such side effects by comparing values
before writing.
tree-wide: make format_ifname() or friends return negative errno on failure
Also,
- drop unnecessary +1 from buffer size, as IF_NAMESIZE or IFNAMSIZ
includes the nul at the end.
- format_ifname() does not update buffer on failure,
- introduces format_ifname_alloc(), FORMAT_IFNAME(), and their friends.
dissect-image: optionally, validate dm-verity signatures in userspace
Getting certificates for dm-verity roothash signing into the trusted
kernel keychain is a royal PITA (means recompiling or rebooting with
shim), hence let's add a minimal userspace PKCS7 validation as well.
The mechanism is really simple and compatible with the verification the
kernel does. The only difference is that the certificates are searched
in /etc/verity.d/*.crt (and similar dirs in /usr/lib/, …).
We'll first try validation by passing the PKCS#7 data to the kernel, but
if that doesn't work we'll see if one of the certificates found that way
works and then attempt to attach the image without passing the PKCS#7
data to the kernel.
This makes it very easy to have fully validated GPT disk images. For
example, just copy the 'mkosi.secure-boot.crt' file you have in your
mkosi build dir to /etc/verity.d/ and things should just work.
cryptsetup: handle more gracefully if "keyslots" LUKS2 JSON header field is invalid
The field is not owned by us (even though is in our JSON objects) but by
the LUKS2 spec. Hence let's handle this a bit more gracefully: let's not
get confused by it, just warn and skip over it.
core: Add ExecSearchPath parameter to specify the directory relative to which binaries executed by Exec*= should be found
Currently there does not exist a way to specify a path relative to which
all binaries executed by Exec should be found. The only way is to
specify the absolute path.
This change implements the functionality to specify a path relative to which
binaries executed by Exec*= can be found.
meson: allow extra net naming schemes to be defined during configuration
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.
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.
projects / thirdparty / systemd.git / log
