如何在bash中檢查密碼

Question

是否可以在bash腳本中檢查用戶密碼是否正確？如果是這樣，請告訴我如何。謝謝

Answer 1

這個工作對我來說：

#ensure sudo isn't saving a recent password 
sudo -k 

#prime it 
echo $ROOTPASSWORD | sudo -S echo hello &> /dev/null 

#test it 
if ! [ "$(sudo -n echo hello 2>&1)" == "hello" ]; then 
    echo "Incorrect password was entered" 
fi