MsChap authentication not working

Wim De Hul wim at dehul.com
Sat Dec 5 23:55:38 CET 2009


Dear members,

I'm trying to setup a tunnel and authenticate with mschap, but it does not seem to work.
I thought the client is not sending the password, but when debugging, I saw that the mschap module is skipped..
I think I have a good config. What is wrong?
:

root at testbox:~# freeradius -XC
FreeRADIUS Version 2.1.0, for host i486-pc-linux-gnu, built on Apr 30 2009 at 07:22:56
Copyright (C) 1999-2008 The FreeRADIUS server project and contributors.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
You may redistribute copies of FreeRADIUS under the terms of the
GNU General Public License v2.
Starting - reading configuration files ...
including configuration file /etc/freeradius/radiusd.conf
including configuration file /etc/freeradius/proxy.conf
including configuration file /etc/freeradius/clients.conf
including files in directory /etc/freeradius/modules/
including configuration file /etc/freeradius/modules/realm
including configuration file /etc/freeradius/modules/etc_group
including configuration file /etc/freeradius/modules/always
including configuration file /etc/freeradius/modules/smbpasswd
including configuration file /etc/freeradius/modules/mschap
including configuration file /etc/freeradius/modules/acct_unique
including configuration file /etc/freeradius/modules/logintime
including configuration file /etc/freeradius/modules/ldap
including configuration file /etc/freeradius/modules/expiration
including configuration file /etc/freeradius/modules/preprocess
including configuration file /etc/freeradius/modules/digest
including configuration file /etc/freeradius/modules/checkval
including configuration file /etc/freeradius/modules/exec
including configuration file /etc/freeradius/modules/ippool
including configuration file /etc/freeradius/modules/attr_rewrite
including configuration file /etc/freeradius/modules/policy
including configuration file /etc/freeradius/modules/mac2ip
including configuration file /etc/freeradius/modules/pam
including configuration file /etc/freeradius/modules/expr
including configuration file /etc/freeradius/modules/detail
including configuration file /etc/freeradius/modules/linelog
including configuration file /etc/freeradius/modules/inner-eap
including configuration file /etc/freeradius/modules/passwd
including configuration file /etc/freeradius/modules/pap
including configuration file /etc/freeradius/modules/detail.log
including configuration file /etc/freeradius/modules/sql_log
including configuration file /etc/freeradius/modules/chap
including configuration file /etc/freeradius/modules/unix
including configuration file /etc/freeradius/modules/sradutmp
including configuration file /etc/freeradius/modules/radutmp
including configuration file /etc/freeradius/modules/echo
including configuration file /etc/freeradius/modules/files
including configuration file /etc/freeradius/modules/mac2vlan
including configuration file /etc/freeradius/modules/wimax
including configuration file /etc/freeradius/modules/krb5
including configuration file /etc/freeradius/modules/counter
including configuration file /etc/freeradius/modules/attr_filter
including configuration file /etc/freeradius/modules/detail.example.com
including configuration file /etc/freeradius/eap.conf
including configuration file /etc/freeradius/sql.conf
including configuration file /etc/freeradius/sql/mysql/dialup.conf
including configuration file /etc/freeradius/sql/mysql/counter.conf
including configuration file /etc/freeradius/policy.conf
including files in directory /etc/freeradius/sites-enabled/
including configuration file /etc/freeradius/sites-enabled/default
including dictionary file /etc/freeradius/dictionary
main {
        prefix = "/usr"
        localstatedir = "/var"
        logdir = "/var/log/freeradius"
        libdir = "/usr/lib/freeradius"
        radacctdir = "/var/log/freeradius/radacct"
        hostname_lookups = no
        max_request_time = 30
        cleanup_delay = 5
        max_requests = 1024
        allow_core_dumps = no
        pidfile = "/var/run/freeradius/freeradius.pid"
        checkrad = "/usr/sbin/checkrad"
        debug_level = 3
        proxy_requests = no
 log {
        stripped_names = no
        auth = yes
        auth_badpass = yes
        auth_goodpass = yes
 }
 security {   
        max_attributes = 200
        reject_delay = 1
        status_server = yes
 }
}
 client localhost {
        ipaddr = 127.0.0.1
        require_message_authenticator = no
        secret = "testing123"
        nastype = "other"
 }
radiusd: #### Loading Realms and Home Servers ####
 proxy server {
        retry_delay = 5
        retry_count = 3
        default_fallback = no
        dead_time = 120
        wake_all_if_all_dead = no
 }
 home_server localhost {
        ipaddr = 127.0.0.1
        port = 1812
        type = "auth"
        secret = "testing123"
        response_window = 20
        max_outstanding = 65536
        zombie_period = 40
        status_check = "status-server"
        ping_interval = 30
        check_interval = 30
        num_answers_to_alive = 3
        num_pings_to_alive = 3
        revive_interval = 120
        status_check_timeout = 4
 }
 home_server_pool my_auth_failover {
        type = fail-over
        home_server = localhost
 }
 realm example.com {
        auth_pool = my_auth_failover
 }
 realm LOCAL {
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating exec
  exec {
        wait = no
        input_pairs = "request"
        shell_escape = yes
  }
 Module: Linked to module rlm_expr
 Module: Instantiating expr
 Module: Linked to module rlm_expiration
 Module: Skipping instantiation of expiration
 Module: Linked to module rlm_logintime
 Module: Instantiating logintime
  logintime { 
        reply-message = "You are calling outside your allowed timespan  "
        minimum-timeout = 60
  }
 }
radiusd: #### Loading Virtual Servers ####
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_mschap
 Module: Skipping instantiation of mschap
 Module: Linked to module rlm_chap
 Module: Instantiating chap
 Module: Linked to module rlm_pap
 Module: Instantiating pap
  pap {
        encryption_scheme = "auto"
        auto_header = no
  }
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating preprocess
  preprocess {
        huntgroups = "/etc/freeradius/huntgroups"
        hints = "/etc/freeradius/hints"
        with_ascend_hack = no
        ascend_channels_per_line = 23
        with_ntdomain_hack = no
        with_specialix_jetstream_hack = no
        with_cisco_vsa_hack = no
        with_alvarion_vsa_hack = no
  }
 Module: Linked to module rlm_detail
 Module: Instantiating auth_log
  detail auth_log {
        detailfile = "/var/log/freeradius/radacct/%{Client-IP-Address}/auth-detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Linked to module rlm_sql
 Module: Skipping instantiation of sql
 Module: Checking preacct {...} for more modules to load
 Module: Linked to module rlm_acct_unique
 Module: Instantiating acct_unique
  acct_unique {
        key = "User-Name, Acct-Session-Id, NAS-IP-Address, Client-IP-Address, NAS-Port"
  }
 Module: Linked to module rlm_realm
 Module: Instantiating suffix
  realm suffix {
        format = "suffix"
        delimiter = "@"
        ignore_default = no
        ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating files
  files {
        usersfile = "/etc/freeradius/users"
        acctusersfile = "/etc/freeradius/acct_users"
        preproxy_usersfile = "/etc/freeradius/preproxy_users"
        compat = "no"
  }
 Module: Checking accounting {...} for more modules to load
 Module: Instantiating detail
  detail {
        detailfile = "/var/log/freeradius/radacct/%{Client-IP-Address}/detail-%Y%m%d"
        header = "%t"
        detailperm = 384
        dirperm = 493
        locking = no
        log_packet_header = no
  }
 Module: Linked to module rlm_unix
 Module: Instantiating unix
  unix {
        radwtmp = "/var/log/freeradius/radwtmp"
  }
 Module: Linked to module rlm_radutmp
 Module: Instantiating radutmp
  radutmp {   
        filename = "/var/log/freeradius/radutmp"
        username = "%{User-Name}"
        case_sensitive = yes
        check_with_nas = yes
        perm = 384
        callerid = yes
  }
 Module: Linked to module rlm_attr_filter
 Module: Instantiating attr_filter.accounting_response
  attr_filter attr_filter.accounting_response {
        attrsfile = "/etc/freeradius/attrs.accounting_response"
        key = "%{User-Name}"
  }
 Module: Checking session {...} for more modules to load
 Module: Checking post-proxy {...} for more modules to load
 Module: Linked to module rlm_eap
 Module: Instantiating eap
  eap {
        default_eap_type = "md5"
        timer_expire = 60
        ignore_unknown_eap_types = no
        cisco_accounting_username_bug = no
        max_sessions = 2048
  }
 Module: Linked to sub-module rlm_eap_md5
 Module: Instantiating eap-md5
 Module: Linked to sub-module rlm_eap_leap
 Module: Instantiating eap-leap
 Module: Linked to sub-module rlm_eap_gtc
 Module: Instantiating eap-gtc
   gtc {
        challenge = "Password: "
        auth_type = "PAP"
   }
Ignoring EAP-Type/tls because we do not have OpenSSL support.
Ignoring EAP-Type/ttls because we do not have OpenSSL support.
Ignoring EAP-Type/peap because we do not have OpenSSL support.
 Module: Linked to sub-module rlm_eap_mschapv2
 Module: Instantiating eap-mschapv2
   mschapv2 { 
        with_ntdomain_hack = no
   }
 Module: Checking post-auth {...} for more modules to load
 Module: Instantiating attr_filter.access_reject
  attr_filter attr_filter.access_reject {
        attrsfile = "/etc/freeradius/attrs.access_reject"
        key = "%{User-Name}"
  }
 }
radiusd: #### Skipping IP addresses and Ports ####
Configuration appears to be OK.

----------------------------------------------------------

ad_recv: Access-Request packet from host 127.0.0.1 port 45716, id=28, length=65
        Service-Type = Framed-User
        Framed-Protocol = PPP
        User-Name = "wim"
        Calling-Station-Id = "10.0.0.1""
        NAS-IP-Address = 192.168.1.1
        NAS-Port = 0
+- entering group authorize {...}
++[preprocess] returns ok
        expand: /var/log/freeradius/radacct/%{Client-IP-Address}/auth-detail-%Y%m%d -> /var/log/freeradius/radacct/127.0.0.1/auth-detail-20091205
[auth_log] /var/log/freeradius/radacct/%{Client-IP-Address}/auth-detail-%Y%m%d expands to /var/log/freeradius/radacct/127.0.0.1/auth-detail-20091205
        expand: %t -> Sat Dec  5 23:34:59 2009
++[auth_log] returns ok
++[mschap] returns noop
++[chap] returns noop
        expand: %{User-Name} -> wim
[sql] sql_set_user escaped user --> 'wim'
rlm_sql (sql): Reserving sql socket id: 4
        expand: SELECT id, username, attribute, value, op           FROM radcheck           WHERE username = '%{SQL-User-Name}'           ORDER BY id -> SELECT id, username, attribute, value, op           FROM radcheck           WHERE username = 'wim'           ORDER BY id
[sql] User found in radcheck table
        expand: SELECT id, username, attribute, value, op           FROM radreply           WHERE username = '%{SQL-User-Name}'           ORDER BY id -> SELECT id, username, attribute, value, op           FROM radreply           WHERE username = 'wim'           ORDER BY id
        expand: SELECT groupname           FROM radusergroup           WHERE username = '%{SQL-User-Name}'           ORDER BY priority -> SELECT groupname           FROM radusergroup           WHERE username = 'wim'           ORDER BY priority
rlm_sql (sql): Released sql socket id: 4
++[sql] returns ok
++[expiration] returns noop
++[logintime] returns noop
[pap] No clear-text password in the request.  Not performing PAP.
++[pap] returns noop
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!    Replacing User-Password in config items with Cleartext-Password.     !!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!! Please update your configuration so that the "known good"               !!!
!!! clear text password is in Cleartext-Password, and not in User-Password. !!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
WARNING: Please update your configuration, and remove 'Auth-Type = Local'
WARNING: Use the PAP or CHAP modules instead.
No User-Password or CHAP-Password attribute in the request.
Cannot perform authentication.
Failed to authenticate the user.
Login incorrect: [wim/<no User-Password attribute>] (from client localhost port 0 cli X.X.X.X)
Using Post-Auth-Type Reject
+- entering group REJECT {...}
        expand: %{User-Name} -> wim
 attr_filter: Matched entry DEFAULT at line 11
++[attr_filter.access_reject] returns updated
Delaying reject of request 0 for 1 seconds
Going to the next request
Waking up in 0.9 seconds.
Sending delayed reject for request 0
Sending Access-Reject of id 28 to 127.0.0.1 port 45716
Waking up in 4.9 seconds.
Cleaning up request 0 ID 28 with timestamp +19
Ready to process requests.

------------------------------------------------------------------------------------

config:

authorize {
        preprocess
        auth_log
        mschap
        chap
        sql
        expiration
        logintime
        pap
}

authenticate {
        Auth-Type MS-CHAP {
                mschap
        }
        Auth-Type CHAP {
                chap
        }
        Auth-Type PAP {
                pap
        }
}

mschap {
        use_mppe = yes
        require_encryption = yes
        require_strong = yes


-- Wim




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