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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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This is the first hakurei run in the test, if the container outright fails to start this is often where it happens, so throwing away the output is very unhelpful.
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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This is unfortunately the only feasible way of doing this in nix.
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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This tool should not show up when building hakurei normally.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This syscall is not wired on all platforms. This test barely does anything anyway and seccomp is covered by the privileged test instrumentation.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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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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This prepares for the separation of app and sandbox tests.
Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is an ugly fix that makes various assumptions guaranteed to hold true in the testing vm. The test package is filtered by the build system so some ugliness is tolerable here.
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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Signed-off-by: Ophestra <cat@gensokyo.uk>
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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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Signed-off-by: Ophestra <cat@gensokyo.uk>
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This is now handled by the setup op. This also gets rid of the hardcoded /etc path.
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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