agent: Add script that collect the logeed users in the host

Signed-off-by: Edileuton Henrique de Oliveira <eho09@c3sl.ufpr.br>

agent/gen-scripts/collect/logged_users.tree

+#!/bin/bash
+# Copyright (C) 2009-2012 Centro de Computacao Cientifica e Software Livre
+# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+#
+# This file is part of collect-agent
+#
+# collect-agent 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 program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+
+
+# run datasid-common.sh
+source "$(readlink -f "$(dirname $0)/../")/bin/datasid-common.sh" || exit 1
+
+if test -z "${PREFIX}"; then
+    exit 2
+fi
+
+oldIFS=$IFS
+IFS=$'\n'
+count=0;
+
+for line in $(last -F); 
+do
+	Date=$(echo $line | awk '{ print $5" "$6" "$7" "$8}')
+	# Check if is the user system
+	if ! echo $line | grep -q system; then
+		userSeconds=$(date -d $Date +%s)
+		oldSeconds=$(cat ${DATADIR}/lastexec)
+		# Check if the user must be collected
+		if ((${userSeconds} < ${oldSeconds})); then
+			IFS=$oldIFS
+			exit 0
+		fi
+	
+		login=$(echo $line | awk '{print $1}')
+		in_time=$(echo $line | awk '{print $7}')
+		out_time=$(echo $line | awk '{print $13}')
+
+		if test -z $out_hour; then
+			out_hour=$(echo $line | awk '{print $10}')		
+		fi
+
+		count=$(($count+1))
+		printf "<user$count>\n"
+		printf "<login value=\"$login\" type =\"string\"/>"
+		printf "<in_time value=\"$in_hour\" type =\"string\"/>"
+		printf "<out_time value=\"$out_hour\" type =\"string\"/>"
+		printf "</user$count>\n"
+	fi
+done
+IFS=$oldIFS