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isolated-protonmail-bridge
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Mount root as tmpfs, allow real rw in home directory only

This commit is contained in:
Kristóf Tóth 2020-05-23 01:14:50 +02:00
parent 69fac8189a
commit 9d41b2bae2
1 changed files with 5 additions and 6 deletions
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11
isolated-protonmail-bridge.sh
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@ -5,20 +5,19 @@ HERE="$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")"
JAIL_HOME=/home/proton
BIN="${BIN:-entrypoint.sh}"
if [[ -z "${ROOTFS:-}" ]]; then
echo "Please set the ROOTFS envvar!"
if [[ -z "${BRIDGE_HOME:-}" ]]; then
echo "Please set the BRIDGE_HOME envvar!"
exit 1
else
ROOTFS="$(realpath "${ROOTFS}")"
BRIDGE_HOME="$(realpath "${BRIDGE_HOME}")"
fi
rm -rf "${ROOTFS}/dev/fd"
nsjail -Mo \
--disable_clone_newnet \
--chroot "${ROOTFS}" --rw \
--cwd "${JAIL_HOME}" \
--tmpfsmount / \
--tmpfsmount /tmp --tmpfsmount /run \
--bindmount "${BRIDGE_HOME}:${JAIL_HOME}" \
--symlink /proc/self/fd:/dev/fd \
--bindmount_ro "${HERE}/entrypoint.sh:${JAIL_HOME}/entrypoint.sh" \
--bindmount_ro "${HERE}/gpg-keygen-params.txt:${JAIL_HOME}/gpg-keygen-params.txt" \