3e49487c1a
VirtualBox with hardening support requires the main binaries to be setuid root. Using VBOX_WITH_RUNPATH, we ensure that the RPATHs are pointing to the libexec directory and we also need to unset VBOX_WITH_ORIGIN to make sure that the build system is actually setting those RPATHs. The hardened.patch implements two things: * Set the binary directory to the setuid-wrappers dir so that VboxSVC calls them instead of the binaries from the store path. The reason behind this is because nothing in the Nix store can have the setuid flag. * Excempt /nix/store from the group permission check, because while it is group-writeable indeed it also has the sticky bit set (and also the whole store is mounted read-only on most NixOS systems), so we're checking on that as well. Right now, the hardened.patch uses /nix/store and /var/setuid-wrappers directly, so someone would ever want to change those on a NixOS system, please provide a patch to set those paths on build time. However, for simplicity, it's best to do it when we _really_ need it. Signed-off-by: aszlig <aszlig@redmoonstudios.org> |
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