Change x509 function to work local and remote

zsh.d/zshfunctions/x509

@@ -1,5 +1,23 @@
-if [ -r "$1" ]; then
-    openssl x509 -in $1 -noout -text | less
-else
-    echo "x509 <certfile>"
-fi
+usage() {
+  echo "x509 <certfile>"
+  echo "x509 -r <hostname:port>"
+  return
+}
+
+[ $# -eq 0 ] && usage
+
+remote=0
+
+while getopts ":hr:" arg; do
+  case $arg in
+    r)
+      remote=1
+      host=$OPTARG
+      ;;
+    h) usage
+      ;;
+  esac
+done
+
+[ $remote -eq 0 ] && openssl x509 -in $* -noout -text
+[ $remote -eq 1 ] && openssl s_client -connect $host < /dev/null | openssl x509 -noout -text