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#!/bin/bash
#
# $Id: alcasar-migration-3.3.1_dbRadiusAttrs.sh 2664 2018-11-19 17:35:12Z tom.houdayer $
#
# alcasar-migration-3.3.1_dbRadiusAttrs.sh
# by Tom HOUDAYER
#
# This script is distributed under the Gnu General Public License (GPL)
#
# Migrate user database to ALCASAR 3.3.1
# Changes:
# - Move "CoovaChilli-Max-Total-Octets" RADIUS attribute from radreply to radcheck
# - Delete "CoovaChilli-Max-Input-Octets" and "CoovaChilli-Max-Output-Octets" RADIUS attributes

PASSWD_FILE="/root/ALCASAR-passwords.txt"
DB_PASS=$(grep ^db_root= $PASSWD_FILE | cut -d'=' -f2-)

DRY_RUN=false

if [ $# -eq 1 ] && [ "$1" == "--simulation" ]; then
        DRY_RUN=true
fi

db_query () {
        if $DRY_RUN && [[ ! "$1" =~ ^'SELECT ' ]]; then
                echo "[SQL] request: \"$1\""
        else
                mysql -u root -p"$DB_PASS" -D radius -e "$1" -Bs
                [ $? -ne 0 ] && echo "[SQL] ERROR (\"$1\")"
        fi
}

for step in $(seq 1 2); do
        if [ $step -eq 1 ]; then
                tableNameCheck='radcheck'
                tableNameReply='radreply'
                loginName='username'
        else
                tableNameCheck='radgroupcheck'
                tableNameReply='radgroupreply'
                loginName='groupname'
        fi

        # Move "CoovaChilli-Max-Total-Octets" RADIUS attribute from radreply to radcheck
        db_res=$(db_query "SELECT $loginName, value FROM $tableNameReply WHERE attribute = 'CoovaChilli-Max-Total-Octets';")
        if [ -n "$db_res" ]; then
                echo "$(echo "$db_res" | wc -l) \"CoovaChilli-Max-Total-Octets\" found in table \"$tableNameReply\"."
                while read -r line; do
                        login=$(echo "$line" | cut -f1)
                        value=$(echo "$line" | cut -f2)
                        echo " $login..."

                        db_query "INSERT INTO $tableNameCheck ($loginName, attribute, value, op) VALUES ('$login','CoovaChilli-Max-Total-Octets','$value', ':=');"

                done <<< "$db_res"
                db_query "DELETE FROM $tableNameReply WHERE attribute = 'CoovaChilli-Max-Total-Octets';"
        fi

        # Delete "CoovaChilli-Max-Input-Octets" and "CoovaChilli-Max-Output-Octets" RADIUS attributes
        db_query "DELETE FROM $tableNameReply WHERE attribute = 'CoovaChilli-Max-Input-Octets';"
        db_query "DELETE FROM $tableNameReply WHERE attribute = 'CoovaChilli-Max-Output-Octets';"
done