"Duane Cox" <duanec@mail.illicom.net> says:

Hope this helps.

If you are running freeradius as other than root.root, make sure that
this user or group can read /etc/odbc/


cd /usr/src &&
rm -fr unixODBC-2.2.11
tar -zxvf unixODBC-2.2.11.tar.gz &&
cd unixODBC-2.2.11 &&
sed -i "s/void yyerror/#define YY_FLUSH_BUFFER\n\n&/" sqp/lex.l &&
./configure --prefix=/usr --libexecdir=/usr/sbin --localstatedir=/var --sysconfdir=/etc/odbc --enable-ltdllib --with-gnu-ld --disa
ble-gui &&
make &&
make install &&
find doc -name "Makefile*" -exec rm {} \; &&
chmod 644 doc/{lst,ProgrammerManual/Tutorial}/* &&
install -v -m755 -d /usr/share/doc/unixODBC-2.2.11 &&
cp -v -R doc/* /usr/share/doc/unixODBC-2.2.11 &&
rmdir /etc/odbc/ODBCDataSources &&
chown -fR root.odbc /etc/odbc &&
chmod 750 /etc/odbc &&
chmod 640 /etc/odbc/*

cd /usr/src &&
rm -fr freetds-0.63
tar -zxvf freetds-0.63.tar.gz &&
cd freetds-0.63 &&
./configure --prefix=/usr --libexecdir=/usr/sbin --localstatedir=/var --sysconfdir=/etc --with-unixodbc=/usr/lib --disable-apps &&
make &&
make install &&
rm -f /etc/{freetds,locales}.conf

cd /usr/src &&
rm -fr freeradius-1.0.5 &&
tar -zxvf freeradius-1.0.5.tar.gz &&
cd freeradius-1.0.5 &&
patch -Np1 -i ../freeradius-1.0.5-stdout_log-1.patch &&
./configure --prefix=/usr --libexecdir=/usr/sbin --localstatedir=/var --sysconfdir=/etc --with-raddbdir=/srv/radiusd --with-logdir
=/var/log --with-radacctdir=/srv/radiusd/acct --with-gnu-ld --without-rlm_x99_token &&
make &&
make install

cat /etc/odbc.ini
[MSSQL-DB]
description     = FreeRADIUS ODBC for MSSQL 7.0
driver          = FreeTDS
server          = mssql.yourdomain.com
port            = 1433
database        = mydatabase
tds_version     = 7.0
language        = us_english

cat /etc/odbcinst.ini
[FreeTDS]
description     = FreeTDS driver for MSSQL
driver          = /usr/lib/libtdsodbc.so
setup           = /usr/lib/libtdsS.so
fileusage       = 1

cat /srv/radiusd/mssql.conf
sql {
        driver = "rlm_sql_unixodbc"
        server = "MSSQL-DB"

        login = "mylogin"
        password = "mypassword"

        radius_db = "mydatabase"

        acct_table1 = "radacct"
        acct_table2 = "radacct"

        authcheck_table = "radcheck"
        authreply_table = "radreply"
 [SNIP...]