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The current pattern '#' triggers on the openSUSE kernel version that is
printed early during boot when no actual prompt is ready
> [ 0.000000] Linux version 5.12.10-1-default (geeko@buildhost) (gcc (SUSE Linux) 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb], GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.36.1.20210326-4) #1 SMP Fri Jun 11 05:05:06 UTC 2021 (b92eaf7)
Instead wait for pattern that: a) should have fewer false positives, b)
still be with working on distro shells:
openSUSE (red color)
^[[1m^[[31mimage:~ #^[[m^O
arch
[root@image ~]#
debian
root@image:~#
ubuntu
root@image:~#
fedora
[root@image ~]#
The current boot test relies on terminal login, therefore network setup
inside image is unnecessary. This opens up possibility to test images
that don't support the network setup via veth devices.
These have ignored the return value forever. Two are public APIs so
we can't really change what they return anyway, and the other one is
a cleanup path and the existing error code is more important.
CID#1461274
CID#1461275
CID#1461276
In general we almost never hit those asserts in production code, so users see
them very rarely, if ever. But either way, we just need something that users
can pass to the developers.
We have quite a few of those asserts, and some have fairly nice messages, but
many are like "WTF?" or "???" or "unexpected something". The error that is
printed includes the file location, and function name. In almost all functions
there's at most one assert, so the function name alone is enough to identify
the failure for a developer. So we don't get much extra from the message, and
we might just as well drop them.
Dropping them makes our code a tiny bit smaller, and most importantly, improves
development experience by making it easy to insert such an assert in the code
without thinking how to phrase the argument.
When copying large directory trees it should be a better idea to sync
the whole fs once when we are done instead of individually for each
file, hence add COPY_SYNCFS.
As opposed to COPY_FSYNC/COPY_FSYNC_FULL this only really applies to the
top-level directory, after completion of the whole copy.
As a safety precaution it makes sense to fsync() files after copying
them, and maybe even the directories they are contained in. Let's add a
flag for these two cases.
let's make sure we only operate on regular files when copying files.
Also, make sure to copy file attributes only over if target is a regular
file (so that copying a file to /dev/null won't alter the access
mode/ownership of that device node...)
(This might not look like a big improvement, but will shortly, when we
add fsync() support to the copy logic, at which point there are more
error paths we can unify that way.)
While we are at it, tweak a clean-up path: only unlink a copied file if
we are definitely the ones who created them, i.e. if O_EXCL is set.
PR #20176 broke building of the cryptsetup token logic. This wasn't
noticed before the PR was merged, because the only CIs new enough to be
able to build the token logic (the Fedora Rawhide ones) didn't actually
run at all on the PR.
Let's add the missing hookup for the TPM2 PCR bank logic also to the
token module, to make the CI pass again.
Observed as a crash on binaries built with gcc-master:
```
3 0x00005573b8841d6a in parse_package_metadata (name=name@entry=0x5573b901a620 "/a", id_json=0x0,
elf=0x5573b9028730, c=c@entry=0x7fffc688f790) at ../systemd-stable-249.2/src/coredump/stacktrace.c:157
4 0x00005573b884209e in module_callback (mod=0x7fffc688f6c0, userdata=<optimized out>,
name=0x5573b901a620 "/a", start=<optimized out>, arg=0x7fffc688f790)
at ../systemd-stable-249.2/src/coredump/stacktrace.c:306
5 0x00007f56d60dcbd5 in dwfl_getmodules (dwfl=0x5573b901fda0,
callback=callback@entry=0x5573b8841eb0 <module_callback>, arg=arg@entry=0x7fffc688f790, offset=offset@entry=0)
at ../../elfutils-0.185/libdwfl/dwfl_getmodules.c:86
6 0x00005573b884231b in parse_core (ret_package_metadata=0x7fffc688f848, ret=0x7fffc688f850,
executable=0x7fffc688f790 "\200\332\001\271sU", fd=21) at ../systemd-stable-249.2/src/coredump/stacktrace.c:366
7 coredump_parse_core (fd=fd@entry=6, executable=0x7fffc688f790 "\200\332\001\271sU", ret=ret@entry=0x7fffc688f850,
ret_package_metadata=ret_package_metadata@entry=0x7fffc688f848)
at ../systemd-stable-249.2/src/coredump/stacktrace.c:406
8 0x00005573b883f897 in submit_coredump (context=context@entry=0x7fffc688fa10, iovw=iovw@entry=0x7fffc688f990,
input_fd=input_fd@entry=5) at ../systemd-stable-249.2/src/coredump/coredump.c:827
9 0x00005573b883d339 in process_socket (fd=3) at ../systemd-stable-249.2/src/coredump/coredump.c:1041
10 run (argv=<optimized out>, argc=-964101648) at ../systemd-stable-249.2/src/coredump/coredump.c:1416
11 main (argc=-964101648, argv=<optimized out>) at ../systemd-stable-249.2/src/coredump/coredump.c:1422
```
Happens only on enabled elfutils symbolizer.
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Previously, we'd encode PCR policies strictly with the SHA256 PCR bank
set. However, as it appears not all hw implement those. Sad.
Let's add some minimal logic to auto-detect supported PCR banks: if
SHA256 is supported, use that. But if not, automatically fall back to
SHA1.
This then changes both the LUKS code, and the credentials code to
serialize the selected bank, along with the rest of the data in order to
make this robust.
This extends the LUK2 JSON metadata in a compatible way. The credentials
encryption format is modified in an incompatible way however, but given
that this is not part of any official release should be OK.
Fixes: #20134
Boot loaders are software like any other, and hence muse be updated in
regular intervals. Let's add a simple (optional) service that updates
sd-boot automatically from the host if it is found installed but
out-of-date in the ESP.
Note that traditional distros probably should invoke "bootctl update"
directly from the package scripts whenver they update the sd-boot
package. This new service is primarily intended for image-based update
systems, i.e. where the rootfs or /usr are atomically updated in A/B
style and where the current boot loader should be synced into the ESP
from the currently booted image every now and then. It can also act as
safety net if the packaging scripts in classic systems are't doing the
bootctl update stuff themselves.
Since updating boot loaders mit be a tiny bit risky (even though we try
really hard to make them robust, by fsck'ing the ESP and mounting it only on
demand, by doing updates mostly as single file updates and by fsync()ing
heavily) this is an optional feature, i.e. subject to "systemctl
enable". However, since it's the right thing to do I think, it's enabled
by default via the preset logic.
Note that the updating logic is implemented gracefully: i.e. it's a NOP
if the boot loader is already new enough, or was never installed.
Previously, the "bootctl update" logic would refrain from downrgading a
boot loader, but if the boot loader that is installed already matched
the version we could install we'd install it anyway, under the
assumption this was effectively without effect. This behaviour was handy
while developing boot loaders, since installing a modified boot loader
didn't require a version bump.
However, outside of the systems of boot loader developers I don't think
this behaviour makes much sense: we should always emphasize doing
minimal changes to the ESP, hence when an update is supposedly not
necessary, then don't do it. Only update if it really makes sense, to
minimize writes to the ESP. Updating the boot loader is a good thing
after all, but doing so redundantly is not.
Also, downgrade the message about this to LOG_NOTICE, given this
shouldn't be a reason to log.
Finally, exit cleanly in this cases (or if another boot loader is
detected)
let's share some code between import_url_last_component() and
import_url_change_last_component(), and make sure we never eat up the
hostname component of the URL when parsing out the last component.
Let's also make import_url_change_last_component() more generic so that
we can also use it for append components to paths, instead of replacing
suffixes.
This one is useful for a outputs with a slightly more "positive"
outlook, i.e. where only the checkmarks are shown but the crossmarks are
replaced by spaces.
(Usecase: a larger table with many checkmarks, where the red crossmarks
might just be too much negative noise)
