update for newer openssl version; update help

check_ssl_certs

@@ -13,9 +13,11 @@
 # 2021-10-06  v0.1  <axel.hahn@iml.unibe.ch>  initial version
 # 2022-03-16  v0.2  <axel.hahn@iml.unibe.ch>  shell fixes; shorten perfdata label
 # 2022-10-21  v1.3  <axel.hahn@unibe.ch>      remove grep: warning: stray \ before white space
+# 2024-04-24  v1.4  <axel.hahn@unibe.ch>      update for newer openssl version; update help
 # ======================================================================
 
 . $(dirname $0)/inc_pluginfunctions
+self_APPVERSION=1.4
 
 typeset -i iWarn=14
 typeset -i iCrit=5
@@ -36,15 +38,11 @@ myDomain=".iml.unibe.ch"
 # functions
 # ----------------------------------------------------------------------
 
+# show help text
 function showHelp(){
+    local _self; _self=$(basename $0)
 cat <<EOF
-______________________________________________________________________
-
-CHECK_SSL_CERTS
-
-(c) Institute for Medical Education - University of Bern
-Licence: GNU GPL 3
-______________________________________________________________________
+$( ph.showImlHelpHeader )
 
 Check locally installed SSL client certificates and warn if the 
 expiration date comes closer. 
@@ -118,7 +116,7 @@ for mycert in $( ls -1 $filelist 2>/dev/null )
 do
         iCounter=$iCounter+1
         data=$(openssl x509 -noout -text -in $mycert 2>/dev/null )
-        mySubject=$( echo "$data" | grep "Subject: CN = " | grep -v "," | cut -f 2- -d "=" | cut -c 2- )
+        mySubject=$( echo "$data" | grep "Subject: CN *= *" | grep -v "," | cut -f 2- -d "=" | tr -d ' ' )
         
         mySubject2="${mySubject//${myDomain}}"
         if [ -z "$mySubject" ]; then
@@ -149,7 +147,7 @@ do
             fi
             shortstatus="${shortstatus}${result} ${mySubject} [${iLeft}d] ; "
             fullstatus="${fullstatus}
------ [$iCounter of $iTotal] ${mySubject} - expires in $iLeft days $mySubject2
+----- [$iCounter of $iTotal] ${mySubject} - expires in $iLeft days
 $( echo "$data" | grep -E "(DNS:|Issuer:|Not |Subject:)" | sed 's#^ *##g')
 File: $mycert
 "