Testnet

#!/bin/bash

Set the log file and password file

LOG_FILE=/var/log/user_management.log PASSWORD_FILE=/var/secure/user_passwords.txt

Check if the input file is provided

if [ $# -ne 1 ]; then echo "Usage: $0 <input_file>" exit 1 fi

Read the input file

INPUT_FILE=$1

Create the log file and password file if they don't exist

touch $LOG_FILE chmod 600 $LOG_FILE touch $PASSWORD_FILE chmod 600 $PASSWORD_FILE

Iterate over each line in the input file

while IFS=';' read -r user groups; do

Remove whitespace from the user and groups

user=$(echo "$user" | tr -d '[:space:]') groups=$(echo "$groups" | tr -d '[:space:]')

Create the user's personal group

groupadd $user

Create the user and add them to their personal group

useradd -m -g $user -s /bin/bash $user

Add the user to the specified groups

IFS=',' read -r -a group_array <<< "$groups" for group in "${group_array[@]}"; do groupadd $group usermod -aG $group $user done

Generate a random password for the user

password=$(pwgen -s 12 1)

Set the user's password

echo "$user:$password" | chpasswd

Log the action

echo "Created user $user with password $password and added to groups ${group_array[*]}" >> $LOG_FILE

Store the password securely

echo "$user,$password" >> $PASSWORD_FILE done < $INPUT_FILE