Added chain import (besides fullchain)

Import-from-official-letsencrypt-client.md

@@ -47,7 +47,7 @@ for certdir in "${LETSENCRYPT}/live/"*; do
     continue
   fi
 
-  # Check if private-key, certificate and fullchain exist
+  # Check if private-key, certificate, chain and fullchain exist
   if [[ ! -e "${certdir}/privkey.pem" ]]; then
     echo " + Skipping: Private key is missing."
     continue
@@ -56,10 +56,14 @@ for certdir in "${LETSENCRYPT}/live/"*; do
     echo " + Skipping: Certificate is missing."
     continue
   fi
-  if [[ ! -e "${certdir}/fullchain.pem" ]]; then
+  if [[ ! -e "${certdir}/chain.pem" ]]; then
     echo " + Skipping: Chain is missing."
     continue
   fi
+  if [[ ! -e "${certdir}/fullchain.pem" ]]; then
+    echo " + Skipping: Fullchain is missing."
+    continue
+  fi
 
   # Check if certificate still valid
   if ! openssl x509 -checkend 0 -noout -in "${certdir}/cert.pem" >/dev/null 2>&1; then
@@ -93,6 +97,10 @@ for certdir in "${LETSENCRYPT}/live/"*; do
   ln -s "cert-${timestamp}.pem" "${BASEDIR}/certs/${domain}/cert.pem"
 
   echo " + Importing chain"
+  cat "${certdir}/chain.pem" > "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem"
+  ln -s "chain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/chain.pem"
+
+  echo " + Importing fullchain"
   cat "${certdir}/fullchain.pem" > "${BASEDIR}/certs/${domain}/fullchain-${timestamp}.pem"
   ln -s "fullchain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/fullchain.pem"
 done