eap {
    pwd {
    #group = 19

    server_id = example@example.com

    #  This has the same meaning as for TLS.
    fragment_size = 1020

    # The virtual server which determines the "known good" password for the user.
    # Note that unlike TLS, only the "authorize" section is processed.
    # EAP-PWD requests can be distinguished by having a User-Name, but no User-Password, CHAP-Password, EAP-Message, etc.
    #virtual_server = "inner-tunnel"
}

authorize {
    filter_username
    preprocess

    #  Look in an SQL database.
    sql

    #permit_only_eap
    eap {
        ok = return
    }

    logintime
}

authenticate {
    #  Allow EAP authentication.
    eap
}

authorize {
    eap {
        ok = return
    }

    #  Look in an SQL database.
    sql

    expiration
}

authenticate {
    mschap

    #  Allow EAP authentication.
    eap
}

(2) eap: Peer sent method PWD (52)
(2) eap: EAP PWD (52)
(2) eap: Calling eap_pwd to process EAP data
(2) eap_pwd: Sending tunneled request
(2) eap_pwd: server default {
(2) # Executing section authorize from file /etc/freeradius/sites-enabled/default
(2)   authorize {
(2)     policy filter_username {
(2)       if (!&User-Name) {
(2)       if (!&User-Name)  -> TRUE
(2)       if (!&User-Name)  {
(2)         [noop] = noop
(2)       } # if (!&User-Name)  = noop
(2)       if (&User-Name =~ / /) {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)       if (&User-Name =~ /@.*@/ ) {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)       if (&User-Name =~ /../ ) {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)       if ((&User-Name =~ /@/) && (&User-Name !~ /@(.+).(.+)$/))  {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)       if (&User-Name =~ /.$/)  {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)       if (&User-Name =~ /@./)  {
(2)       ERROR: Failed retrieving values required to evaluate condition
(2)     } # policy filter_username = noop
(2)     [preprocess] = ok
(2) sql: EXPAND %{User-Name}
(2) sql:    -->
(2) sql: SQL-User-Name set to ''
rlm_sql (sql): Reserved connection (4)
(2) sql: EXPAND SELECT id, username, attribute, value, op FROM radcheck WHERE username = '%{SQL-User-Name}' ORDER BY id
(2) sql:    --> SELECT id, username, attribute, value, op FROM radcheck WHERE username = '' ORDER BY id
(2) sql: Executing select query: SELECT id, username, attribute, value, op FROM radcheck WHERE username = '' ORDER BY id
(2) sql: EXPAND SELECT groupname FROM radusergroup WHERE username = '%{SQL-User-Name}' ORDER BY priority
(2) sql:    --> SELECT groupname FROM radusergroup WHERE username = '' ORDER BY priority
(2) sql: Executing select query: SELECT groupname FROM radusergroup WHERE username = '' ORDER BY priority
(2) sql: User not found in any groups
rlm_sql (sql): Released connection (4)
(2)     [sql] = notfound
(2) eap: No EAP-Message, not doing EAP
(2)     [eap] = noop
(2)     [logintime] = noop
(2)   } # authorize = ok
(2) eap_pwd: } # server default
(2) eap_pwd: Got tunneled reply code 0
failed to find password for lars to do pwd authentication
(2) eap: ERROR: Failed continuing EAP PWD (52) session. EAP sub-module failed
(2) eap: Failed in EAP select
(2)     [eap] = invalid
(2)   } # authenticate = invalid
(2) Failed to authenticate the user
(2) Login incorrect (eap: Failed continuing EAP PWD (52) session. EAP sub-module failed): [lars] (from client LARS-RANNOCH port 4 cli 48-59-29-F6-BA-89)