bash-ssl-checker-tool/ssl
2020-06-04 14:49:34 +00:00

119 lines
2.9 KiB
Bash

#!/bin/bash
##
# Script which let's you gather some basic information about your SSL certificate
##
##
# Colors
##
green='\e[32m'
blue='\e[34m'
clear='\e[0m'
orange='\e[33m'
red='\e[31m'
##
# Color Functions
##
ColorGreen(){
echo -ne $green$1$clear
}
ColorBlue(){
echo -ne $blue$1$clear
}
ColorRed(){
echo -ne $red$1$clear
}
ColorOrange(){
echo -ne $orange$1$clear
}
##
# Make sure that openssl is installed
##
if ! [ -x "$(command -v openssl)" ] ; then
echo "The openssl command is required! Please install it and then try again"
exit 1
fi
##
# Check if there is an input
##
if [[ $1 ]]; then
host $1 > /dev/null
if [ $? -eq 0 ]; then
echo -ne "The $(ColorGreen $1 ) domain name seems valid
"
else
echo -ne "Could not resolve the $(ColorGreen ${1}) domain name...
"
exit 1
fi
fi
case $1 in
# Usage example
help)
echo -ne "Usage:
$(ColorGreen './ssl domain.com')
"
exit 1
;;
"")
echo -ne "Usage:
$(ColorGreen './ssl domain.com')
"
exit 1
;;
*)
today=$(date +%F)
expires=$(echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -dates | grep 'notAfter' | sed 's/notAfter=//')
#echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -dates
echo -ne "$(ColorRed '#') $(ColorGreen 'The SSL certificate has been issued for:')"
echo ''
echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -subject | sed 's/subject=/Domain: /'
#echo | openssl s_client -servername www.$1 -connect www.$1:443 2>/dev/null | openssl x509 -noout -subject
echo '----'
echo ''
echo -ne "$(ColorRed '#') $(ColorGreen 'The SSL certificate expires in:')"
echo ''
echo $(( ( $(date -ud "$expires" +'%s') - $(date -ud "$today" +'%s') )/60/60/24 )) days
echo '----'
echo ''
echo -ne "$(ColorRed '#') $(ColorGreen 'Dates:')"
echo ''
echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -dates | sed 's/notAfter=/Expires On: /' | sed 's/notBefore=/Issued On: /'
echo '----'
echo ''
echo -ne "$(ColorRed '#') $(ColorGreen 'The certificate has been issued by:')"
echo ''
echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -issuer | sed 's/issuer=/Issuer: /'
echo '----'
echo ''
echo -ne "$(ColorRed '#') $(ColorGreen 'TLS supported:')"
echo ''
nmap --script ssl-enum-ciphers -p 443 $1 | grep ':' | grep -i tls
echo '----'
echo ''
echo -ne "$(ColorRed '#') $(ColorGreen 'Fingerprint:')"
echo ''
echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -fingerprint
echo '----'
#echo ''
#echo -ne "$(ColorRed '#') $(ColorGreen 'Decode')"
#echo ''
#echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -noout -text
#echo '#################'
esac