Programming

#!/bin/bash

dir=/mnt/sftp
group=sftp_users

    echo "Enter UserName:"
    read user

    if id $user ; then
        echo "$user already exists as you can see above, please re-run the script"
        exit
        else
        echo "$user not in system, ok to continue"
    fi

    echo "Enter Password:"
    read passwd
    echo "$user:$passwd" >> /ftp_details/accounts.csv
    echo "is this a normal user (press 1) ?"
    read choice
    
    case $choice in
        1)
            useradd -g $group -d $dir/$user -s /sbin/nologin $user
            mkdir -p $dir/$user/data
            chown root $dir/$user
            chmod 755 $dir/$user
            chown $user $dir/$user/data
            chmod 755 $dir/$user/data
            touch $dir/$user/data/WARNING_everything_in_here_will_get_removed_in_14_days_time.txt
            ;;
        *)
            echo "invalid selection, please re-run the script"
            exit
            ;;
    esac

    echo $user:$passwd | chpasswd

#!/bin/bash

if [ $(id -u) -ne 0 ]
then
   exec sudo $0 "$@"             # Will overwrite this process so script does not continue as self
fi                               # Any arguments are passed on as supplied

# A superuser will carry on through here

LOGFILE=/var/lib/creation.log    # .... or whatever suits you

dir=/mnt/sftp
group=sftp_users	

echo "Enter UserName:"
read user

if id $user ; then
        echo "$user already exists as you can see above, please re-run the script"
        exit
else
        echo "$user not in system, ok to continue"
fi

echo "Enter Password:"
read passwd
echo "$user:$passwd" >> /ftp_details/accounts.csv
echo "is this a normal user (press 1) ?"
read choice
    
case $choice in
        1)
            echo "$(date) : User $SUDO_USER creating $user" >> $LOGFILE
            useradd -g $group -d $dir/$user -s /sbin/nologin $user
            mkdir -p $dir/$user/data
            chown root $dir/$user
            chmod 755 $dir/$user
            chown $user $dir/$user/data
            chmod 755 $dir/$user/data
            touch $dir/$user/data/WARNING_everything_in_here_will_get_removed_in_14_days_time.txt
            ;;
        *)
            echo "invalid selection, please re-run the script"
            exit
            ;;
esac

echo $user:$passwd | chpasswd

#Individual users
robert1			ALL = NOPASSWD: /path/to/this_script
trusted1		ALL = PASSWD: /path/to/this_script

#Group members are trusted
%trustedgroup		ALL = PASSWD: /path/to/this_script