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jeffrade/openssl.x509.sh

Last active September 11, 2019 18:33
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Bash script to check certificate information - uses openssl.
Raw
openssl.x509.sh
#!/bin/sh
if [ -z "$1" ]
then
echo "Please supply a domain, e.g. www.example.com"
exit 1
fi
echo | openssl s_client -servername $1 -connect $1:443 2>/dev/null | openssl x509 -text
echo "Saving public ./cert.pem..."
openssl s_client -showcerts -connect $1:443 </dev/null 2>/dev/null | openssl x509 -outform PEM > cert.pem
echo "Done!"
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