#/bin/bash

# Check in a local node whether the user as specified in /share/apps/configrepo/users_data/newuser.dat should be added, modified or left alone. Output would be shown as CASE 1, CASE 2, CASE 3, CASE 4 on screen.


username=$(cat /share/apps/configrepo/users_data/newuser.dat | awk '{print $2}')
uid=$(cat /share/apps/configrepo/users_data/newuser.dat | awk '{print $3}')

passwd=$(cat /share/apps/configrepo/users_data/newuser.dat | awk '{print $4}')

#echo 'username, uid= ' $username, $uid
## abstract all users with uid >= 1000 && < 4000

rm -rf /share/apps/configrepo/users_data/addstatus.dat
echo yes > /share/apps/configrepo/users_data/addstatus.dat

cat /etc/passwd | awk -F":" '{print $1, $3}' | awk '{if($2>=1000 && $2<4000) {print}}' | \
awk  -v HOSTNAME=$HOSTNAME -v username="$username" -v uid="$uid" '{ 
if( $1 != username && $2 != uid )
#	{
#	{print "CASE 4: username " username " with uid " uid " are not found in " HOSTNAME}
#	{print "yes" > "/share/apps/configrepo/users_data/addstatus.dat"}
#	}
	{dummy=dummy}
else { #begin else
	{und=$1; uidd=$2}
	#{print username " " uid " clashes with existing record in #/etc/passwd: " $1 "," $2}
	{if( username != und && uid == $2 ) #begin if
		{
		{print "CASE 1 " "username " username " is different then $1= "  und " but uid " uid " is the same with $2= " uidd " in " HOSTNAME}
		{print "No" > "/share/apps/configrepo/users_data/addstatus.dat"}
		{print "username " username " is different then $1= "  und " but uid " uid " is the same with $2= " uidd " in " HOSTNAME >> "/share/apps/configrepo/users_data/addstatus_global.dat"}
		}
	};# end if
	{if( username == und && uid != $2 ) #begin if
		{
		{print "CASE 2 " "username " username " is the same with $1= "  und " but uid " uid " is different then $2= " uidd " in " HOSTNAME}	
#		{print "The uid " uid " in " HOSTNAME " is to be changed to " $2}
		{print "No" > "/share/apps/configrepo/users_data/addstatus.dat"}
		{print "username " username " is the same with $1= "  und " but uid " uid " is different then $2= " uidd " in " HOSTNAME >> "/share/apps/configrepo/users_data/addstatus_global.dat"}
		}
	};# end if
	{if( username == und && uid == $2 ) #begin if
		{
		{print "CASE 3 " "username " username " is the same with $1= " und " and uid " uid " is the same with $2= " uidd " in " HOSTNAME}
		{print "No" > "/share/apps/configrepo/users_data/addstatus.dat"}
		{print "username " username " is the same with $1= " und " and uid " uid " is the same with $2= " uidd " in " HOSTNAME >> "/share/apps/configrepo/users_data/addstatus_global.dat"}
		}
	};#end if 	
	} #end else
 # end if
}' #end awk

addstatus=$(cat /share/apps/configrepo/users_data/addstatus.dat)
#echo candiate in newuser.dat: $username $uid '$addstatus=' $addstatus in $HOSTNAME
if [ $addstatus == 'yes' ]
then
#echo CASE 4 corresponds to '$addstatus=yes'. To add $username with uid=$uid in $HOSTNAME
echo CASE 4 username $username with uid $uid are not found in $HOSTNAME
fi