KasmVNC/builder/startup/generate_container_user

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detect_libnss_wrapper() {
if $(which dpkg &>/dev/null); then
libnss_wrapper_file=$(dpkg -S libnss_wrapper.so | awk -F' ' '{ print $2 }')
return
fi
if [ -r /usr/lib/libnss_wrapper.so ]; then
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libnss_wrapper_file=/usr/lib/libnss_wrapper.so
elif [ -r /usr/lib64/libnss_wrapper.so ]; then
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libnss_wrapper_file=/usr/lib64/libnss_wrapper.so
else
echo "no libnss_wrapper.so installed!"
exit 1
fi
}
# Set current user in nss_wrapper
USER_ID=$(id -u)
GROUP_ID=$(id -g)
echo "USER_ID: $USER_ID, GROUP_ID: $GROUP_ID"
# Attempt to set the username to the kasm username
USERNAME=${VNC_USER:-default}
# Make the username posix compliant
USERNAME=$(echo "$USERNAME" | sed -r 's#[^a-zA-Z0-9\._\-]#_#g')
if ! echo "$USERNAME" | grep -qP "^[a-zA-Z0-9_\.][a-zA-Z0-9_\-\.]*"; then
USERNAME="default"
fi
export PS1="$USERNAME:\w\$ "
if [ x"$USER_ID" != x"0" ]; then
NSS_WRAPPER_PASSWD=/tmp/passwd
NSS_WRAPPER_GROUP=/etc/group
cat /etc/passwd > $NSS_WRAPPER_PASSWD
echo "${USERNAME}:x:${USER_ID}:${GROUP_ID}:Default Application User:${HOME}:/bin/bash" >> $NSS_WRAPPER_PASSWD
export NSS_WRAPPER_PASSWD
export NSS_WRAPPER_GROUP
detect_libnss_wrapper
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echo "nss_wrapper location: $libnss_wrapper_file"
export LD_PRELOAD="$libnss_wrapper_file"
fi