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This works around the page size limit at the cost of negligible performance regressions.
Closes #34.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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These were useful during development because timing out is often the only indication of failure due to the terrible design of nixos vm test harness. This has become a nuisance however especially when the system is under load, so remove explicit values and fall back to the ludicrously high default.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This works around vfs inode file attribute race.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This works around the race in vfs via supplementary group.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This happens in the vfs permissions check only and stale data appears to never reach userspace.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables transparently degradable tests to be forced on in environments known to support them.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This makes package check portable, and removes nonportable behaviour from package pkg, pipewire, and system. All other packages remain nonportable due to their nature. No latency increase was observed due to this change on amd64 and arm64 linux.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The run command was a legacy holdover from very early days and is only useful for testing and demonstration these days. This change also renames it to exec.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is useful when limits are configured to allow it.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The more explicit API removes the arbitrary limit preventing use of SCHED_OTHER (referred to as SCHED_NORMAL in the kernel). This change also exposes priority value to set.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is primarily useful for poorly written music players for now.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This hopefully eliminates spurious test failures caused by /tmp running out of space.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is for passing files between applications, similar to android /sdcard.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This asserts that no shim private dir was left behind after all containers terminate.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This no longer exposes the pipewire socket to the container, and instead mediates access via pipewire-pulse. This makes insecure parts of the protocol inaccessible as explained in the doc comment in hst.
Closes #29.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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NixOS 25.11 introduces a crash in cage and an intermittent crash in foot.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Due to the special nature of the init process, direct use of wait outside the wait4 loop is racy. This change copies the wstatus from wait4 loop state instead.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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There is no reason to keep the shell process around.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is useful for testing daemon error handling behaviour.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This fully replaces PulseAudio with PipeWire and enforces the PulseAudio check and error message. The pipewire-pulse daemon is handled in the NixOS module.
Closes #26.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is currently still a noop, but required for #26.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Clang is better than gcc in various ways. This also pulls in clang-format which is very helpful.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This should never be used outside vm tests.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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While fd created from this side always has the FD_CLOEXEC flag, the same is not true for files left open by the parent. This change prevents those files from leaking into the container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This prevents leaking the setup pipe.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This writes the 16-byte instance identifier to file descriptor specified by --identifier-fd if set, and closes the file.
This enables safely obtaining the new instance's identifier.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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While it is unlikely a use case for hakurei on i686 exists, it does not hurt to have this support.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This leaves slots available for additional uid ranges in Rosa OS.
This breaks all existing installations! Users are required to fix ownership manually.
Closes #18.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is more useful now that state is tracked here.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Wanted to do this for a long time, since the key is redundant. This also makes it easier to migrate to the new store interface.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This makes the resulting json easier to parse since it can now be deserialised into the config struct.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The hst package only deals with data serialisation, however since many parts of hakurei make use of C libraries in some way it can be easy to inadvertently depend on cgo.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Updated according to evaluation warning.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Sharing and persisting these directories do not always make sense. Make it optional here.
Closes #16.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This discontinues the dependency on shared tmpdir and xdg_runtime_dir implementation detail, for #16.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This enables configured filesystems to cover system mount points.
Closes #8.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This sets XDG_SESSION_TYPE to the corresponding values specified in pam_systemd(8) according to enablements.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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No idea what systemd is doing with this to cause its options to change.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change also moves pd behaviour to cmd/hakurei, as this does not belong in the hst API.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This can seriously break things, and exposes extra host attack surface, so include it here.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This package is replaced by container/stub. Remove and replace it with unexported implementation for the upcoming test suite rewrite.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The integration vm is being very slow for some reason. This change should reduce spurious timeouts.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This checks init timeout on lingering process after initial process termination.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This begins the effort of the removal of the sys package.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This prepares the test suite for private TMPDIR.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Since this is going to be placed in a shared directory, it needs to be unique to the identity. Instead of trying to figure out identity from mountinfo, just have the test script pass hardcoded values.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is not always obvious from mountinfo.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This makes it possible to place markers with private tmpdir.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This avoids covering /dev/shm mounts from hst.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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