CertTIme

From PRAGMAgridWIKI

#!/bin/bash

setDefaults()
{
    certsDir="/etc/grid-security/certificates"
    currentTime=`date +%s`
    factor=86400
}

findDaysLeft()
{
    certTime=`date --date="$T" +%s`
    difference=$(($certTime - $currentTime))
    daysLeft=$(echo "scale=1; $difference / $factor" | bc)
}

checkCrls() 
{
    crls=`ls $certsDir/*.r0`
    for file in $crls
    do
        T=`grep "Next Update:" $file | sed -e 's/^ *Next Update: //'`
        findDaysLeft $T
        CA=`openssl crl -issuer -in $file -noout | sed -e 's/issuer=//'`
        echo "$daysLeft days    $file"
    done
}
checkCerts()
{
    certs=`ls $certsDir/*.0`
    for file in $certs
    do
        T=`grid-cert-info -ed -f $file`
        findDaysLeft $T
        echo "$daysLeft days    $file"
    done
}

printHelp()
{
        # print help
    echo "Usage: $0 {-r|-c}" 1>&2
    echo "For each certificate or crl file prints the file name and the"
    echo "the number of days left before the certificate or crl expires."
    echo "Uses a default location /etc/grid-security/certificates/ for "
    echo "certificates and crls."
    echo "    -r   check crl files  "
    echo "    -c   check certificate files"
    echo
}

# parse command line arguments
case $1 in 
    -r)
        setDefaults
        checkCrls | sort -n -r
        ;;
    -c)
        setDefaults
        checkCerts | sort -n -r
        ;;
    *)
        printHelp
        exit 1
        ;;
esac