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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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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 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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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 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 prepares the test suite for private TMPDIR.
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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This helps work around faulty software that misinterprets unix: DISPLAY string.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Programs expect /dev/shm to be a writable tmpfs.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The privileged user is identifier to hakurei through its hsu userid. Using the kernel uid here makes little sense and is a leftover design choice from before hsu was implemented.
Closes #7.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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There is no reason to give the home directory special treatment, as this behaviour can be quite confusing. The home directory also does not necessarily require its own mount point, it could be provided by a parent or simply be ephemeral.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This no longer needs special treatment since it can be specified as a generic filesystem entry.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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The socket is typically owned by the priv-user, and inaccessible by the target user, so just allowing access to the directory is not enough. This change fixes this oversight and add checks that will also be useful for merging https://git.gensokyo.uk/security/hakurei/pulls/1.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This finally exposes overlay mounts in the high level hakurei API.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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There is usually no good reason to write to /dev. This however doesn't work in internal/app because FilesystemConfig supplied by ContainerConfig might add entries to /dev, so internal/app follows DevWritable with Remount instead.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This does nothing for security, but should help avoid hiding bugs of programs developed in a hakurei container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is a pd workaround that does nothing in the nixos module.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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There's often good reason to mount tmpfs in the container.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Doing this instead of mounting directly on / because it's impossible to ensure a parent is available for every path hakurei wants to mount to. This situation is similar to autoetc hence the similar name, however a symlink mirror will not work in this case.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Most of these are differences in qemu.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This change also makes seccomp hashes cross-platform.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Fortify makes little sense for a container tool.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This allows apps with the same identity to access the same runtime dir.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This allows nested containers to use autoetc, and increases compatibility with other implementations.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is as ugly as it is because it has to have CAP_SYS_ADMIN and not be in seccomp mode.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Some test elements implemented in the test tool might need to run outside the sandbox. This change allows that to happen.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This improves readability and allows gofmt to format the file.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Signed-off-by: Ophestra <cat@gensokyo.uk>
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Many programs complain about this.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is copied at runtime because it appears to be impossible to obtain this path in nix.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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