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Current File : //etc/scripts/adduser.sh

#!/bin/bash

#################################
# - Author: Leroy Petersen      #
# - Created: 26 May 2020        #
# - Modified By: Leroy Petersen	#
# - Date Modified: 27 May 2020	#
# - Version: 1.1                #
#################################

# Generate Random Password and return variable passwd
password_generator(){
        passwd=`dd if=/dev/urandom bs=1 count=16 2>/dev/null | base64 -w 0 | rev | cut -b 2- | rev`
        echo $passwd
}

# Verify if custCode already exist
verify_custCode(){
        custExist=`grep -c $1 /etc/passwd`
        passwd="$(password_generator)"
	
	# Verify client exist
	# custCode = 1: Customer exist. 
	#custCode=0: Customer does not exist
        if [ $custExist -eq 1 ]
        then
                echo "Customer Code $1 already exist"
                echo "Terminating Application!"
        else
                create_custCode $1 $passwd
                #echo "Creating user: dummy results"
        fi
}

# Create Customer Code as User
# $1 = custCode
# $2 = passwd returned from password_generator function
create_custCode(){
        ### Create nologin reseller
        echo "Adding Reseller: $1..."
        adduser $1 -s /usr/sbin/nologin
        echo "$2" | passwd --stdin $1
        chmod -v 711 /home/$1
        echo "$1:" >> /var/cpanel/resellers
        echo "$1 successfully created..."
}

# Termninate Application due to Empty custCode
empty_custCode(){
        ### Print Empty CustCode Message
        echo "\$custCode is empty!"
        echo "Terminating Application!"
}

# Get customer account from User
echo "Add Customer Code:"
read custCode
echo ""

# Verify if custCode is empty
# Exit on empty, else run custCode verification
if [ -z "$custCode" ]
then
        empty_custCode
else
        verify_custCode $custCode
fi