jkeam · January 25, 2018 18:37
diff --git a/getcert.sh b/getcert.sh
 #!/bin/sh
 #
 # usage: getcert.sh remote.host.name [port]
 #  eg) getcert.sh api.mailgun.net
 #
 RHOST=$1
 RPORT=${2:-443}

 # see cert
 echo -n | openssl s_client -connect ${RHOST}:${RPORT} | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p'

 # see chain
 echo | openssl s_client -showcerts -servername ${RHOST} -connect ${RHOST}:${RPORT} 2>/dev/null | openssl x509 -inform pem -noout -text
	#!/bin/sh
	#
	# usage: getcert.sh remote.host.name [port]
	# eg) getcert.sh api.mailgun.net
	#
	RHOST=$1
	RPORT=${2:-443}

	# see cert
	echo -n \| openssl s_client -connect ${RHOST}:${RPORT} \| sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p'

	# see chain
	echo \| openssl s_client -showcerts -servername ${RHOST} -connect ${RHOST}:${RPORT} 2>/dev/null \| openssl x509 -inform pem -noout -text