Files
NetAlertX/dockerfiles/user-mapping.sh
2023-11-05 09:40:04 +11:00

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1.1 KiB
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#!/bin/bash
echo "---------------------------------------------------------"
echo "[INSTALL] Run user-mapping.sh"
echo "---------------------------------------------------------"
if [ -z "${USER}" ]; then
echo "We need USER to be set!"; exit 100
fi
# if both not set we do not need to do anything
if [ -z "${HOST_USER_ID}" -a -z "${HOST_USER_GID}" ]; then
echo "Nothing to do here." ; exit 0
fi
# reset user_id to either new id or if empty old (still one of above
# might not be set)
USER_ID=${HOST_USER_ID:=$USER_ID}
USER_GID=${HOST_USER_GID:=$USER_GID}
LINE=$(grep -F "${USER}" /etc/passwd)
# replace all ':' with a space and create array
array=( ${LINE//:/ } )
# home is 5th element
USER_HOME=${array[4]}
# print debug output
echo USER_ID : ${USER_ID};
echo USER_GID : ${USER_GID};
echo USER_HOME: ${USER_HOME};
echo TZ : ${TZ};
sed -i -e "s/^${USER}:\([^:]*\):[0-9]*:[0-9]*/${USER}:\1:${USER_ID}:${USER_GID}/" /etc/passwd
sed -i -e "s/^${USER}:\([^:]*\):[0-9]*/${USER}:\1:${USER_GID}/" /etc/group
chown -R ${USER_ID}:${USER_GID} ${USER_HOME}
exec su - "${USER}"