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Fixes the custom scripts not running as root

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Trenton Holmes 2022-11-29 20:05:08 -08:00 committed by Trenton H
parent a3bc3b78d5
commit 88e3e556a1
2 changed files with 44 additions and 43 deletions
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44
docker/docker-entrypoint.sh
View File

@ -77,6 +77,46 @@ nltk_data () {
} }
custom_container_init() {
# Mostly borrowed from the LinuxServer.io base image
# https://github.com/linuxserver/docker-baseimage-ubuntu/tree/bionic/root/etc/cont-init.d
local -r custom_script_dir="/custom-cont-init.d"
# Tamper checking.
# Don't run files which are owned by anyone except root
# Don't run files which are writeable by others
if [ -d "${custom_script_dir}" ]; then
if [ -n "$(/usr/bin/find "${custom_script_dir}" -maxdepth 1 ! -user root)" ]; then
echo "**** Potential tampering with custom scripts detected ****"
echo "**** The folder '${custom_script_dir}' must be owned by root ****"
return 0
fi
if [ -n "$(/usr/bin/find "${custom_script_dir}" -maxdepth 1 -perm -o+w)" ]; then
echo "**** The folder '${custom_script_dir}' or some of contents have write permissions for others, which is a security risk. ****"
echo "**** Please review the permissions and their contents to make sure they are owned by root, and can only be modified by root. ****"
return 0
fi
# Make sure custom init directory has files in it
if [ -n "$(/bin/ls -A "${custom_script_dir}" 2>/dev/null)" ]; then
echo "[custom-init] files found in ${custom_script_dir} executing"
# Loop over files in the directory
for SCRIPT in "${custom_script_dir}"/*; do
NAME="$(basename "${SCRIPT}")"
if [ -f "${SCRIPT}" ]; then
echo "[custom-init] ${NAME}: executing..."
/bin/bash "${SCRIPT}"
echo "[custom-init] ${NAME}: exited $?"
elif [ ! -f "${SCRIPT}" ]; then
echo "[custom-init] ${NAME}: is not a file"
fi
done
else
echo "[custom-init] no custom files found exiting..."
fi
fi
}
initialize() { initialize() {
# Setup environment from secrets before anything else # Setup environment from secrets before anything else
@ -132,6 +172,10 @@ initialize() {
set -e set -e
"${gosu_cmd[@]}" /sbin/docker-prepare.sh "${gosu_cmd[@]}" /sbin/docker-prepare.sh
# Leave this last thing
custom_container_init
} }
install_languages() { install_languages() {

43
docker/docker-prepare.sh
View File

@ -89,46 +89,6 @@ superuser() {
fi fi
} }
custom_container_init() {
# Mostly borrowed from the LinuxServer.io base image
# https://github.com/linuxserver/docker-baseimage-ubuntu/tree/bionic/root/etc/cont-init.d
local -r custom_script_dir="/custom-cont-init.d"
# Tamper checking.
# Don't run files which are owned by anyone except root
# Don't run files which are writeable by others
if [ -d "${custom_script_dir}" ]; then
if [ -n "$(/usr/bin/find "${custom_script_dir}" -maxdepth 1 ! -user root)" ]; then
echo "**** Potential tampering with custom scripts detected ****"
echo "**** The folder '${custom_script_dir}' must be owned by root ****"
return 0
fi
if [ -n "$(/usr/bin/find "${custom_script_dir}" -maxdepth 1 -perm -o+w)" ]; then
echo "**** The folder '${custom_script_dir}' or some of contents have write permissions for others, which is a security risk. ****"
echo "**** Please review the permissions and their contents to make sure they are owned by root, and can only be modified by root. ****"
return 0
fi
# Make sure custom init directory has files in it
if [ -n "$(/bin/ls -A "${custom_script_dir}" 2>/dev/null)" ]; then
echo "[custom-init] files found in ${custom_script_dir} executing"
# Loop over files in the directory
for SCRIPT in "${custom_script_dir}"/*; do
NAME="$(basename "${SCRIPT}")"
if [ -f "${SCRIPT}" ]; then
echo "[custom-init] ${NAME}: executing..."
/bin/bash "${SCRIPT}"
echo "[custom-init] ${NAME}: exited $?"
elif [ ! -f "${SCRIPT}" ]; then
echo "[custom-init] ${NAME}: is not a file"
fi
done
else
echo "[custom-init] no custom files found exiting..."
fi
fi
}
do_work() { do_work() {
if [[ "${PAPERLESS_DBENGINE}" == "mariadb" ]]; then if [[ "${PAPERLESS_DBENGINE}" == "mariadb" ]]; then
wait_for_mariadb wait_for_mariadb
@ -144,9 +104,6 @@ do_work() {
superuser superuser
# Leave this last thing
custom_container_init
} }
do_work do_work