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Let's make systemd-nspawn use our own ptyfwd logic to handle the TTY by
default.
This adds a new setting --console=, inspired by nspawn's setting of the
same name. If --console=interactive= is used, then we'll do the TTY
dance on our own via ptyfwd, and thus get tinting, our usual hotkey
handling and similar.
Since qemu's own console is useful too, let's keep it around via
--console=native.
FInally, replace the --qemu-gui switch by --console=gui.
Previously, the function supports packets without IPv6 sender address
for unit tests. However, now unit tests use their own version of
icmp6_receive(). Hence, let's make the check more strict.
Follow-up for e0e7bc8223
This allows us to pin the process locally when GetUnitByPIDFD
is not available, just like what we have been doing for
'systemctl whoami'. Also, fix looking up remote pid.
We can't use pidfd for those.
Skip using pidfds if we get a permission denied error.
This can happen with an old policy and a new kernel that uses the
new pidfs filesystem to back pidfds, instead of anonymous inodes,
as the existing policy denies access.
This is already the case for most uses of pidfd_open, like pidref,
but not on these two. Fix them.
- split out radv_setup_recv_event(),
- slightly update log messages,
- use DIV_ROUND_UP(),
- use structured initializer more.
No functional change, just preparation for later commits.
- update several log messages,
- use event_reset_time_relative(),
- split out ndisc_setup_recv_event() and ndisc_setup_timer().
No functional change, just refactoring and preparation for later commits.
With meson build --werror --buildtype=plain -Dc_args=" -O2" the build fails:
../src/boot/efi/stub.c: In function ‘load_addons.constprop’:03:06
../src/boot/efi/stub.c:475:40: error: using a dangling pointer to ‘p’ [-Werror=dangling-pointer=]03:06
475 | dt_bases[n_dt] = xmemdup((uint8_t*)loaded_addon->ImageBase + addrs[UNIFIED_SECTION_DTB],03:06
| ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~03:06
476 | dt_sizes[n_dt]);03:06
| ~~~~~~~~~~~~~~~03:06
In file included from ../src/boot/efi/stub.c:20:03:06
../src/boot/efi/util.h:33:15: note: ‘p’ declared here03:06
33 | void *p;03:06
| ^
De-inline the function and initialize p to make gcc happy.
in uid0/systemd-run/nspawn we already set a window title with a colorful
unicode dot indicating the changed privileges/execution context. This typically
gets overriden by the shell inside the environment however.
Let's tweak this a bit: when we see the window title OSC ANSI sequence
passing through, let's patch in the unicode dot as a prefix to the
title.
This is super pretty, since it makes sure root sessions via 0ad are
really easily recognizable as such, because the window title carries an
🔴 red dot as prefix then.
By default swtpm runs with four banks: SHA1, SHA256, SHA384, SHA512.
This means all data that is part of the boot will be hashed four times,
which slows everything down.
Let's restrict things to SHA256 only, which is the one that really
matters. SHA1 is no up to today's standards anyway, and noone really
consumes the other two, hence no point in enabling this.
To disable the banks we need to call swtpm_setup with --pcr-banks. Do
so.
TPM 1.2 is obsolete, and doesn't really provide much security guarantees
given it's build around SHA1 which is not up to today's standards.
The rest of systemd's TPM codebase never supported TPM 1.2 hence let's
drop this partial support in sd-stub too. It has created problems after
all (sd-stub reported the measuements and userspace assumed these were
for TPM2), without bringing any benefits (given that the measurements we
make are not consumed by us anyway, unlike those for TPM 2.0)
let's cut off this old support.
