56 lines
1.7 KiB
Bash
56 lines
1.7 KiB
Bash
|
#!/bin/bash
|
|||
|
|
|
|||
|
|
if [ "$(id -u)" != "0" ]; then
|
|||
|
|
echo -e "\033[31mThis script requires superuser rights\033[0m"
|
|||
|
|
exit 0
|
|||
|
|
fi
|
|||
|
|
|
|||
|
|
# Проверка наличия одного аргумента
|
|||
|
|
if [ "$#" -ne 1 ]; then
|
|||
|
|
echo "Usage: $0 <y/n>"
|
|||
|
|
exit 1
|
|||
|
|
fi
|
|||
|
|
|
|||
|
|
# Проверка аргумента
|
|||
|
|
if [ "$1" != "y" ] && [ "$1" != "n" ]; then
|
|||
|
|
echo "Invalid argument. Use 'y' to enable password authentication and 'n' to disable it"
|
|||
|
|
exit 1
|
|||
|
|
fi
|
|||
|
|
|
|||
|
|
trap 'echo -e "\033[31mSomething went wrong\033[0m"; exit 1' EXIT
|
|||
|
|
set -e
|
|||
|
|
|
|||
|
|
# Путь к конфигурационному файлу sshd
|
|||
|
|
SSHD_CONFIG="/etc/ssh/sshd_config"
|
|||
|
|
|
|||
|
|
# Функция включения или отключения доступа по паролю
|
|||
|
|
toggle_password_access() {
|
|||
|
|
local enable=$1
|
|||
|
|
if [ "$enable" == "y" ]; then
|
|||
|
|
sudo sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication yes/' $SSHD_CONFIG
|
|||
|
|
sudo sed -i 's/^PasswordAuthentication no/PasswordAuthentication yes/' $SSHD_CONFIG
|
|||
|
|
else
|
|||
|
|
sudo sed -i 's/^#PasswordAuthentication yes/PasswordAuthentication no/' $SSHD_CONFIG
|
|||
|
|
sudo sed -i 's/^PasswordAuthentication yes/PasswordAuthentication no/' $SSHD_CONFIG
|
|||
|
|
fi
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# Бэкапим текущий конфигурационный файл
|
|||
|
|
sudo cp $SSHD_CONFIG $SSHD_CONFIG.backup
|
|||
|
|
|
|||
|
|
# Применение изменений
|
|||
|
|
toggle_password_access "$1"
|
|||
|
|
|
|||
|
|
# Перезапуск службы sshd для применения изменений
|
|||
|
|
sudo systemctl restart sshd
|
|||
|
|
|
|||
|
|
|
|||
|
|
trap - EXIT
|
|||
|
|
|
|||
|
|
# Уведомление о завершении
|
|||
|
|
if [ "$1" == "y" ]; then
|
|||
|
|
echo "Password authentication has been enabled"
|
|||
|
|
else
|
|||
|
|
echo "Password authentication has been disabled"
|
|||
|
|
fi
|