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#!/bin/bash
# Check if username is provided
if [ -z "$1" ]; then
echo "Usage: $0 <username>"
exit 1
fi
USERNAME="$1"
JAIL_DIR="/home/publicaccess"
USER_HOME="$JAIL_DIR/home/$USERNAME"
PASSWD_FILE="$JAIL_DIR/etc/passwd"
# Check if the user exists on the system
if ! id "$USERNAME" >/dev/null 2>&1; then
echo "User '$USERNAME' does not exist on the host system."
else
echo "Removing user '$USERNAME' from the system..."
sudo userdel -r "$USERNAME"
fi
# Remove user from jail passwd file if present
if [ -f "$PASSWD_FILE" ]; then
sudo sed -i "/^$USERNAME:/d" "$PASSWD_FILE"
fi
# Delete the user's jailed home directory
if [ -d "$USER_HOME" ]; then
echo "Deleting jailed home directory: $USER_HOME"
sudo rm -rf "$USER_HOME"
fi
# Remove from group file if applicable
GROUP_FILE="$JAIL_DIR/etc/group"
if [ -f "$GROUP_FILE" ]; then
sudo sed -i "/^$USERNAME:/d" "$GROUP_FILE"
fi
echo "User '$USERNAME' deleted from system and jail (if present)."
exit 0
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