mirror of
https://github.com/optim-enterprises-bv/secureblue.git
synced 2025-11-02 11:28:06 +00:00
31 lines
1.5 KiB
Plaintext
31 lines
1.5 KiB
Plaintext
# Harden flatpaks by preloading hardened_malloc (highest supported hwcap). When called with a flatpak application ID as an argument, applies the overrides to that application instead of globally.
|
|
harden-flatpak FLATPAK="":
|
|
#!/usr/bin/bash
|
|
var1={{ FLATPAK }}
|
|
flatpak_id="${var1:-}"
|
|
flatpak override --user --filesystem=host-os:ro $flatpak_id
|
|
uarches="$(/usr/lib64/ld-linux-x86-64.so.2 --help | grep '(supported, searched)' | cut -d'v' -f2)"
|
|
bestuarch="${uarches:0:1}"
|
|
if [ -z "$bestuarch" ] ; then
|
|
echo "No microarchitecture support detected. Using default x86-64-v1 architecture${flatpak_id:+" for $flatpak_id's malloc"}."
|
|
flatpak override --user --env=LD_PRELOAD=/var/run/host/usr/lib64/libhardened_malloc.so $flatpak_id
|
|
else
|
|
echo "x86-64-v$bestuarch support detected. Using x86-64-v$bestuarch microarchitecture${flatpak_id:+" for $flatpak_id's malloc"}."
|
|
flatpak override --user --env=LD_PRELOAD=/var/run/host/usr/lib64/glibc-hwcaps/x86-64-v"$bestuarch"/libhardened_malloc.so $flatpak_id
|
|
fi
|
|
|
|
# Setup USBGuard
|
|
setup-usbguard:
|
|
#!/usr/bin/bash
|
|
echo "Notice: This will generate a policy based on your existing connected USB devices."
|
|
ACTIVE_USERNAME=$(whoami)
|
|
run0 sh -c '
|
|
mkdir -p /var/log/usbguard
|
|
mkdir -p /etc/usbguard
|
|
chmod 755 /etc/usbguard
|
|
usbguard generate-policy > /etc/usbguard/rules.conf
|
|
systemctl enable --now usbguard.service
|
|
usbguard add-user $1
|
|
' -- $ACTIVE_USERNAME
|
|
systemctl enable --user --now usbguard-notifier.service
|