Subversion Repositories ALCASAR

#!/bin/sh

#

# $Id: alcasar-conup.sh 2956 2021-05-24 19:57:17Z rexy $

#

# alcasar-conup.sh

# by Rexy & Pierre RIVAULT

# This script is distributed under the Gnu General Public License (GPL)

# This script is started by coova after each successfull login

# Ce script est démarré par coova à chaque connexion d'usager (authentification réussi)

CONF_FILE="/usr/local/etc/alcasar.conf"

PASSWD_FILE="/root/ALCASAR-passwords.txt"

DB_USER=`cat $PASSWD_FILE|grep ^db_user=|cut -d'=' -f2`

DB_PASSWORD=`cat $PASSWD_FILE|grep ^db_password=|cut -d'=' -f2`

if [ -z $FRAMED_IP_ADDRESS ]; then

	exit 1

fi

# Retrieve 3 alcasar special radius attributes (search order : default group, then user's group, then user)

db_query="SELECT attribute, value FROM ( \

 	( SELECT attribute, value FROM radreply WHERE username = '$USER_NAME' AND (attribute IN ('Alcasar-Filter', 'Alcasar-Protocols-Filter', 'Alcasar-Status-Page-Must-Stay-Open')) ) UNION \

	( SELECT attribute, value FROM radgroupreply gr LEFT JOIN radusergroup ug ON gr.groupname = ug.groupname WHERE username = '$USER_NAME' AND (attribute IN ('Alcasar-Filter', 'Alcasar-Protocols-Filter', 'Alcasar-Status-Page-Must-Stay-Open')) ORDER BY ug.priority ) UNION \

	( SELECT attribute, value FROM radgroupreply WHERE groupname = 'default' AND (attribute IN ('Alcasar-Filter', 'Alcasar-Protocols-Filter', 'Alcasar-Status-Page-Must-Stay-Open')) ) \

) attrs GROUP BY attribute;"

db_res=$(mysql -u$DB_USER -p$DB_PASSWORD -D radius -e "$db_query" -Ns)

filter=$(echo "$db_res"             | awk '$1 == "Alcasar-Filter"                     { print $2 }')

filterProto=$(echo "$db_res"        | awk '$1 == "Alcasar-Protocols-Filter"           { print $2 }')

statusPageRequired=$(echo "$db_res" | awk '$1 == "Alcasar-Status-Page-Must-Stay-Open" { print $2 }')

# Add user to his IPSET

if [ "$filter" == '4' ]; then	# AV_WL

	set_filter="av_wl"

elif [ "$filter" == '3' ]; then	# AV_BL

	set_filter="av_bl"

elif [ "$filter" == '2' ]; then	# AV

	set_filter="av"

else				# NOT_FILTERED

	set_filter="not_filtered"

fi

if [ "$filterProto" == '4' ]; then	# PROFILE 3 (Custom)

	set_filterProto="proto_3";

elif [ "$filterProto" == '3' ]; then	# PROFILE 2 (WEB + Mail + Remote access)

	set_filterProto="proto_2";

elif [ "$filterProto" == '2' ]; then	# PROFILE 1 (WEB)

	set_filterProto="proto_1";

else					# PROFILE 0 (Not filtered)

	set_filterProto="proto_0";

fi

# Add user to his IPSET

ipset add $set_filter      $FRAMED_IP_ADDRESS

ipset add $set_filterProto $FRAMED_IP_ADDRESS

# If status page isn't required :

#	-add user_IP with flag PERM in /tmp/current_users.txt (watchdog remove these @IP at midnight)

#	if the user has the "Expiration" attribute, add its @MAC as an authenticated user (with the same user's attributes)

if [ "$statusPageRequired" == '2' ]; then	# Status page is not required

	current_users_file="/tmp/current_users.txt"

	if [ ! -e $current_users_file ]; then

		touch $current_users_file && chown root:apache $current_users_file && chmod 660 $current_users_file

    fi

	echo "$FRAMED_IP_ADDRESS:PERM" >> $current_users_file

fi

# set the user_ip to an gw_ipset for load-balancing

gw_min="gw0"

weight=`grep ^PUBLIC_WEIGHT= $CONF_FILE | cut -d"=" -f2`

already=`ipset list $gw_min | grep Number\ of\ entries: | cut -d":" -f2`

#The *1000 is here to avoid working on floats in bash

gw_min_value=$((1000 * $already / $weight))

nb_gw=`grep ^WAN $CONF_FILE | wc -l`

for (( i = 1 ; i <= $nb_gw ; i++ ));do

	gw="gw${i}"

	weight=`grep ^WAN$i= $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F ',' '{ print $2 }'`

	already=`ipset list $gw | grep Number\ of\ entries: | cut -d":" -f2`

	value=$((1000 * $already / $weight))

	if [ $value -lt $gw_min_value ]

	then

		gw_min_value=$value

		gw_min=$gw

	fi

done

ipset add $gw_min $FRAMED_IP_ADDRESS

#############################

## Debug : show all the coova parse variables (+ ALCASAR-Filter + ALCASAR-Protocols-Filter + Alcasar-Status-Page-Must-Stay-Open).

## see "/src/chilli.c" for the complete list of parse variables

#debug_file="/tmp/debug-conup.txt"

#echo "-----------------------------------------------" >> $debug_file

#echo `date` >> $debug_file

#for i in DEV NET MASK ADDR USER_NAME NAS_IP_ADDRESS SERVICE_TYPE FRAMED_IP_ADDRESS FILTER_ID STATE CLASS CUI SESSION_TIMEOUT IDLE_TIMEOUT CALLING_STATION_ID CALLED_STATION_ID NAS_ID NAS_PORT_TYPE ACCT_SESSION_ID ACCT_INTERIM_INTERVAL WISPR_LOCATION_ID WISPR_LOCATION_NAME WISPR_BANDWIDTH_MAX_UP WISPR_BANDWIDTH_MAX_DOWN COOVACHILLI_MAX_INPUT_OCTETS COOVACHILLI_MAX_OUTPUT_OCTETS COOVACHILLI_MAX_TOTAL_OCTETS INPUT_OCTETS OUTPUT_OCTETS INPUT_PACKETS OUTPUT_PACKETS SESSION_TIME IDLE_TIME LOCATION OLD_LOCATION TERMINATE_CAUSE

#do

#	echo -n "$i=" >> $debug_file

#	if [[ -v $i ]];

#	then

#		echo -n "${!i}; " >> $debug_file

#	else

#		echo -n "not defined; " >> $debug_file

#	fi

#done

#echo >> $debug_file

#echo "ALCASAR-Filter : $set_filter" >> $debug_file

#echo "ALCASAR-Protocols-Filter : $set_filterProto" >> $debug_file

#echo "Alcasar-Status-Page-Must-Stay-Open : $statusPageRequired" >> $debug_file

## END DEBUG

#################################