#!/bin/sh
#
#   Copyright (C) International Business Machines  Corp., 2003
#
#   This program is free software;  you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY;  without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
#   the GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this pronram;  if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
#
#  FILE   : lastlog01
#
#  PURPOSE: Test functionality of the /var/log/lastlog file; verify that this
#           effectively reflects a user's last login
#
#  HISTORY:
#     04/03  Dustin Kirkland (k1rkland@us.ibm.com)
#
#  NOTE:
#	This version is intended for EAL certification, it will need modification 
#	to conform with LTP standards in the offical LTP tree.

RHOST="localhost"
TEST_USER="ll_user"
TEST_USER_PASSWD="ltp_test_pass"
TEST_USER_ENCRYPTED_PASSWD="\$1\$1yzzszzz\$7P9AphbzAN43pTktT/kpp/"
TEST_USER_HOMEDIR="/home/$TEST_USER"
TEST=0

#-----------------------------------------------------------------------
# FUNCTION:  create_user
#-----------------------------------------------------------------------

create_user(){

        echo "Creating test user $TEST_USER..."
	
	#erase user if he may exist , so we can have a clean env
        rm -rf /home/$TEST_USER
	userdel $TEST_USER 
        sleep 1

	useradd -m -p $TEST_USER_ENCRYPTED_PASSWD $TEST_USER 

	if [ $? != 0 ] 
	then { 
		echo "Could not add test user $TEST_USER to system $RHOST."
		exit 1
	}
	fi

}

#-----------------------------------------------------------------------
# FUNCTION:  delete_user
#-----------------------------------------------------------------------

delete_user(){
        echo "Deleting test user $TEST_USER..."
        rm -rf /home/$TEST_USER
	userdel $TEST_USER
        if [ $? != 0 ]
        then
                echo "Not able to delete test user $TEST_USER."
                exit 1
        fi
}

#-----------------------------------------------------------------------
# FUNCTION:  verify_user_never_logged_in
#-----------------------------------------------------------------------

verify_user_never_logged_in(){

        echo "Verifying test user $TEST_USER never logged in..."

        RESULT=`lastlog | grep "^$TEST_USER " | grep "**Never logged in**"`
        echo $RESULT
        if [ "x$RESULT" == "x" ]
        then {
            echo "Test user $TEST_USER **Never logged in** message not found."
            echo "==> TEST #$TEST : FAIL (Verifying test user never logged in)"
            exit 1
        }
        fi
        echo "==> TEST #$TEST : PASS (Verifying lastlog for test user updated)"
        TEST=$(($TEST+1))
}

#-----------------------------------------------------------------------
# FUNCTION:  login_user
#-----------------------------------------------------------------------

login_user(){
        echo "Logging in test user $TEST_USER over ssh..."
        expect -c "
                   spawn ssh $TEST_USER@localhost
                   expect \"Password:\"
                   sleep 1
                   exp_send \"$TEST_USER_PASSWD\r\"
                   expect \"> \"
                   sleep 1
                   exp_send \"exit\r\"
                   expect success
                   exit 0;
                  "
}

#-----------------------------------------------------------------------
# FUNCTION:  verify_lastlog_for_user_updated
#-----------------------------------------------------------------------

verify_lastlog_for_user_updated(){

        echo "Verifying lastlog for test user $TEST_USER updated..."

        RESULT=`lastlog | grep "^$TEST_USER " | grep "**Never logged in**"`
        echo $RESULT
        if [ "x$RESULT" != "x" ]
        then {
            echo "Test user $TEST_USER **Never logged in** message found."
            echo "==> TEST #$TEST : FAIL (Verifying lastlog for test user updated)"
            exit 1
        }
        fi
        echo "==> TEST #$TEST : PASS (Verifying lastlog for test user updated)"
        TEST=$(($TEST+1))
}

#----------------------------------------------------------------------
# FUNCTION: MAIN
# PURPOSE:  To invoke the functions to perform the tasks described in
#           the prologue.
#----------------------------------------------------------------------
create_user
echo "-> TEST #$TEST : Verify user never logged in"
verify_user_never_logged_in
echo "-> TEST #$TEST : Login user, verify lastlog updated"
login_user
verify_lastlog_for_user_updated
delete_user
