#!/bin/bash
# IBM(c) 2007 EPL license http://www.eclipse.org/legal/epl-v10.html
#(C)IBM Corp
#
# This routine transfers the client credentials from ~/.xcat on the MN
# to the SN for Linux.
# It only does something, if called with the -d flag. 
# The -d flag was implemented when the call to the routine was moved
# from the postscript table into the servicenode postscript. 
#
if [ ! $1 ]; then
   logger -t xcat -p local4.err "xcatclient call without -d, doing nothing."
   exit 0
fi
if [ $1 != "-d" ]; then
   logger -t xcat  -p local4.err "xcatclient call without -d, doing nothing."
   exit 0
fi
logger -t xcat -p local4.info "xcatclient call with -d. getting credentials and cfgloc "

if [ ! -x /usr/bin/openssl ]; then #Unless we have openssl stup
   logger -t xcat -p local4.err "$0: /usr/bin/openssl is not executable"
   exit -1
fi
USEOPENSSLFORXCAT=1 #Declare 2.3 style SSL
RETURNVAL=0
export USEOPENSSLFORXCAT
   allowcred.awk &
   CREDPID=$!
   sleep 1
   mkdir -p /root/.xcat
   chmod 700 /root/.xcat
   getcredentials.awk xcat_client_cred > /tmp/xcat_client_cred
   grep -E '<error>' /tmp/xcat_client_cred
   if [ $? -ne 0 ]; then
     cat /tmp/xcat_client_cred | grep -v '<'|sed -e 's/&lt;/</' -e 's/&gt;/>/' -e 's/&amp;/&/' -e 's/&quot/"/' -e "s/&apos;/'/" > /root/.xcat/client-cred.pem
     CONT=`cat /root/.xcat/client-cred.pem`
     while [ -z "$CONT" ]; do
      SLI=$(awk 'BEGIN{srand(); printf("%d\n",rand()*10)}')
      SLI=$((10 + $SLI))
      sleep $SLI
      getcredentials.awk xcat_client_cred | grep -v '<'|sed -e 's/&lt;/</' -e 's/&gt;/>/' -e 's/&amp;/&/' -e 's/&quot/"/' -e "s/&apos;/'/" > /root/.xcat/client-cred.pem
       CONT=`cat /root/.xcat/client-cred.pem`
     done
   else
     ERR_MSG=`sed -n 's%.*<error>\(.*\)</error>.*%\1%p' /tmp/xcat_client_cred`
     logger -t xCAT -p local4.err xcat_client_cred Error: $ERR_MSG
     RETURNVAL=-1
   fi
   rm /tmp/xcat_client_cred

   chmod 600 /root/.xcat/client-cred.pem
   cp _xcat/ca.pem /root/.xcat/ca.pem
   kill -9 $CREDPID
   exit $RETURNVAL