minios-live/linux-live/initramfs/static/cmdline_parser

#!/bin/bash
#
# Сommand line parsing script.
# Author: crims0n. <http://minios.ru>
#

for i in $(cat /cmdline); do
    case $i in
    user_name=*)
        USER_NAME="${i#*=}"
        shift # past argument=value
        ;;
    user_password=*)
        USER_PASSWORD="${i#*=}"
        shift # past argument=value
        ;;
    root_password=*)
        ROOT_PASSWORD="${i#*=}"
        shift # past argument=value
        ;;
    host_name=*)
        HOST_NAME="${i#*=}"
        shift # past argument=value
        ;;
    default_target=*)
        DEFAULT_TARGET="${i#*=}"
        shift # past argument=value
        ;;
    ssh)
        SSH=true
        shift # past argument with no value
        ;;
    cloud)
        CLOUD=true
        shift # past argument with no value
        ;;
    *)
        # unknown option
        ;;
    esac
done

if [ -z "$ROOT_PASSWORD" ]; then
    ROOT_PASSWORD="toor"
fi
#echo "Set up password for user 'root'"
echo root:$ROOT_PASSWORD | chpasswd

if [ "$CLOUD" != "true" ]; then

    if [ -z "$USER_NAME" ]; then
        USER_NAME="live"
    fi
    if [ "$USER_NAME" != "root" ]; then
        #echo "Set up user '$USER_NAME'"
        adduser --uid 1000 --gecos '' $USER_NAME --disabled-password

        if [ -z "$USER_PASSWORD" ]; then
            USER_PASSWORD="evil"
        fi
        #echo "Set up password for user '$USER_NAME'"
        echo $USER_NAME:$USER_PASSWORD | chpasswd
        usermod -a -G sudo $USER_NAME
    fi
    sed -i 's,#PermitRootLogin prohibit-password,PermitRootLogin yes,g' /etc/ssh/sshd_config
    sed -i 's,#PasswordAuthentication yes,PasswordAuthentication yes,g' /etc/ssh/sshd_config
else
    rm -rf /home/live
fi

if [ "$USER_NAME" != "live" ] && [ "$USER_NAME" != "root" ]; then
    rm -rf /home/live
    # create user directories
    for dir in Desktop Documents Downloads Music Pictures Public Templates Videos; do
        mkdir -p /home/$USER_NAME/$dir
    done
    chown 1000:1000 /home/$USER_NAME
    chown -R 1000:1000 /home/$USER_NAME
elif [ "$USER_NAME" = "root" ]; then
    rm -rf /home/live
fi

if [ "$SSH" = "true" ]; then
    systemctl enable ssh-keygen
    systemctl enable ssh
else
    systemctl disable ssh-keygen
    systemctl disable ssh
fi

if [ "$USER_NAME" != "root" ]; then
    cat <<EOF >/etc/sudoers.d/90-minios
# live user is default user in minios.
# It needs passwordless sudo functionality.
$USER_NAME ALL=(ALL) NOPASSWD:ALL
EOF
fi

if [ "$CLOUD" != "true" ]; then
    if [ "$USER_NAME" != "root" ]; then
        cat <<EOF >/etc/issue


                                                                          \l





                        Thank you for using MiniOS.
                        Based on Debian GNU/Linux.
                        Powered by Slax.

    ::::    ::::  ::::::::::: ::::    ::: ::::::::::: ::::::::   ::::::::  
    +:+:+: :+:+:+     :+:     :+:+:   :+:     :+:    :+:    :+: :+:    :+: 
    +:+ +:+:+ +:+     +:+     :+:+:+  +:+     +:+    +:+    +:+ +:+        
    +#+  +:+  +#+     +#+     +#+ +:+ +#+     +#+    +#+    +:+ +#++:++#++ 
    +#+       +#+     +#+     +#+  +#+#+#     +#+    +#+    +#+        +#+ 
    #+#       #+#     #+#     #+#   #+#+#     #+#    #+#    #+# #+#    #+# 
    ###       ### ########### ###    #### ########### ########   ########   

                        Root login name: root
                        Password: $ROOT_PASSWORD
                        User login name: $USER_NAME
                        Password: $USER_PASSWORD





EOF
    else
        cat <<EOF >/etc/issue


                                                                          \l





                        Thank you for using MiniOS.
                        Based on Debian GNU/Linux.
                        Powered by Slax.

    ::::    ::::  ::::::::::: ::::    ::: ::::::::::: ::::::::   ::::::::  
    +:+:+: :+:+:+     :+:     :+:+:   :+:     :+:    :+:    :+: :+:    :+: 
    +:+ +:+:+ +:+     +:+     :+:+:+  +:+     +:+    +:+    +:+ +:+        
    +#+  +:+  +#+     +#+     +#+ +:+ +#+     +#+    +#+    +:+ +#++:++#++ 
    +#+       +#+     +#+     +#+  +#+#+#     +#+    +#+    +#+        +#+ 
    #+#       #+#     #+#     #+#   #+#+#     #+#    #+#    #+# #+#    #+# 
    ###       ### ########### ###    #### ########### ########   ########   

                        Root login name: root
                        Password: $ROOT_PASSWORD







EOF
    fi
else
    cat <<EOF >/etc/issue


                                                                          \l





                        Thank you for using MiniOS.
                        Based on Debian GNU/Linux.
                        Powered by Slax.

    ::::    ::::  ::::::::::: ::::    ::: ::::::::::: ::::::::   ::::::::  
    +:+:+: :+:+:+     :+:     :+:+:   :+:     :+:    :+:    :+: :+:    :+: 
    +:+ +:+:+ +:+     +:+     :+:+:+  +:+     +:+    +:+    +:+ +:+        
    +#+  +:+  +#+     +#+     +#+ +:+ +#+     +#+    +#+    +:+ +#++:++#++ 
    +#+       +#+     +#+     +#+  +#+#+#     +#+    +#+    +#+        +#+ 
    #+#       #+#     #+#     #+#   #+#+#     #+#    #+#    #+# #+#    #+# 
    ###       ### ########### ###    #### ########### ########   ########   

                        User login name set by
                        cloud-init. You must use
                        your ssh key to login.
                        Root login name: root
                        Password: $ROOT_PASSWORD






EOF
fi

if [ -f /usr/lib/systemd/system/xorg.service ]; then
    cat <<EOF >/usr/lib/systemd/system/xorg.service
[Unit]
Description=X-Window
ConditionKernelCommandLine=!text
After=systemd-user-sessions.service

[Service]
ExecStart=/bin/su --login -c "/usr/bin/startx -- :0 vt7 -ac -nolisten tcp" $USER_NAME
EOF
fi
if [ -f /etc/default/nodm ]; then
    sed -i "s/NODM_USER=live/NODM_USER=$USER_NAME/g" /etc/default/nodm
fi
if [ -f /etc/slim.conf ]; then
    sed -i "s/default_user        live/default_user        $USER_NAME/g" /etc/slim.conf
fi

if [ -z "$HOST_NAME" ]; then
    HOST_NAME="minios"
fi
echo $HOST_NAME >/etc/hostname

if [ -z "$DEFAULT_TARGET" ]; then
    $DEFAULT_TARGET="graphical"
fi
systemctl set-default $DEFAULT_TARGET

echo "USER_NAME=$USER_NAME"
echo "USER_PASSWORD=$USER_PASSWORD"
echo "ROOT_PASSWORD=$ROOT_PASSWORD"
echo "HOSTNAME=$HOSTNAME"
echo "SSH=$SSH"
echo "CLOUD=$CLOUD"