une fonction pour vérifier un certificat remote sur un local ca.crt

verify_cert ()
{ 
    g=${PWD};
    cd /tmp;
    echo $2 | cut -c 1 | grep --color=auto -iEq '\.|\/';
    if [ $? -eq 0 ]; then
        capath=$2;
    else
        capath=$g/$2;
    fi;
    echo verifying $1 against $capath...;
    openssl s_client -showcerts -connect $1 < /dev/null 2> /dev/null | openssl x509 -outform PEM > cert.pem && openssl verify -verbose -CAfile $capath cert.pem;
    ret=$?;
    cd -;
    return $ret
}