PPTP + FreeRadius + LDAP

[Douglas Macedo]

Hey guys,

i'm trying configure a VPN Server with PPTP, using the 'radiusclient', to
connect on a FreeRadius, with auth in a LDAP Server.

I "finished" the configure, but when a try connect with a client Windows XP,
don't work.

The radiusd -X output:

=====
[root at server /usr/local/etc/raddb]# radiusd -X
Starting - reading configuration files ...
reread_config:  reading radiusd.conf
Config:   including file: /usr/local/etc/raddb/clients.conf
 main: prefix = "/usr/local"
 main: localstatedir = "/var"
 main: logdir = "/var/log"
 main: libdir = "/usr/local/lib"
 main: radacctdir = "/var/log/radacct"
 main: hostname_lookups = no
 main: max_request_time = 30
 main: cleanup_delay = 5
 main: max_requests = 1024
 main: delete_blocked_requests = 0
 main: port = 0
 main: allow_core_dumps = no
 main: log_stripped_names = no
 main: log_file = "/var/log/radius.log"
 main: log_auth = yes
 main: log_auth_badpass = no
 main: log_auth_goodpass = no
 main: pidfile = "/var/run/radiusd/radiusd.pid"
 main: user = "(null)"
 main: group = "(null)"
 main: usercollide = no
 main: lower_user = "no"
 main: lower_pass = "no"
 main: nospace_user = "no"
 main: nospace_pass = "no"
 main: checkrad = "/usr/local/sbin/checkrad"
 main: proxy_requests = no
 security: max_attributes = 200
 security: reject_delay = 1
 security: status_server = no
 main: debug_level = 0
read_config_files:  reading dictionary
read_config_files:  reading naslist
read_config_files:  reading clients
read_config_files:  reading realms
radiusd:  entering modules setup
Module: Library search path is /usr/local/lib
Module: Loaded exec
 exec: wait = yes
 exec: program = "(null)"
 exec: input_pairs = "request"
 exec: output_pairs = "(null)"
 exec: packet_type = "(null)"
rlm_exec: Wait=yes but no output defined. Did you mean output=none?
Module: Instantiated exec (exec)
Module: Loaded expr
Module: Instantiated expr (expr)
Module: Loaded PAP
 pap: encryption_scheme = "crypt"
 pap: auto_header = no
Module: Instantiated pap (pap)
Module: Loaded LDAP
 ldap: server = "ldap.telemedicina.ufsc.br"
 ldap: port = 389
 ldap: net_timeout = 1
 ldap: timeout = 4
 ldap: timelimit = 3
 ldap: identity = "cn=Manager,dc=telemedicina,dc=ufsc,dc=br"
 ldap: tls_mode = no
 ldap: start_tls = no
 ldap: tls_cacertfile = "(null)"
 ldap: tls_cacertdir = "(null)"
 ldap: tls_certfile = "(null)"
 ldap: tls_keyfile = "(null)"
 ldap: tls_randfile = "(null)"
 ldap: tls_require_cert = "allow"
 ldap: password = "XXXXXXX"
 ldap: basedn = "ou=Users,dc=telemedicina,dc=ufsc,dc=br"
 ldap: filter = "(&(objectClass=posixAccount)(uid=%u))"
 ldap: base_filter = "(objectclass=radiusprofile)"
 ldap: default_profile = "(null)"
 ldap: profile_attribute = "(null)"
 ldap: password_header = "{Cleartext-Password}"
 ldap: password_attribute = "sambaNTPassword"
 ldap: access_attr = "(null)"
 ldap: groupname_attribute = "cn"
 ldap: groupmembership_filter =
"(|(&(objectClass=GroupOfNames)(member=%{Ldap-UserDn}))(&(objectClass=GroupOfUniqueNames)(uniquemember=%{Ldap-UserDn})))"
 ldap: groupmembership_attribute = "(null)"
 ldap: dictionary_mapping = "/usr/local/etc/raddb/ldap.attrmap"
 ldap: ldap_debug = 0
 ldap: ldap_connections_number = 5
 ldap: compare_check_items = no
 ldap: access_attr_used_for_allow = yes
 ldap: do_xlat = yes
 ldap: set_auth_type = yes
rlm_ldap: Registering ldap_groupcmp for Ldap-Group
rlm_ldap: Registering ldap_xlat with xlat_name ldap
rlm_ldap: reading ldap<->radius mappings from file
/usr/local/etc/raddb/ldap.attrmap
rlm_ldap: LDAP radiusCheckItem mapped to RADIUS $GENERIC$
rlm_ldap: LDAP radiusReplyItem mapped to RADIUS $GENERIC$
rlm_ldap: LDAP radiusAuthType mapped to RADIUS Auth-Type
rlm_ldap: LDAP radiusSimultaneousUse mapped to RADIUS Simultaneous-Use
rlm_ldap: LDAP radiusCalledStationId mapped to RADIUS Called-Station-Id
rlm_ldap: LDAP radiusCallingStationId mapped to RADIUS Calling-Station-Id
rlm_ldap: LDAP sambaLmPassword mapped to RADIUS LM-Password
rlm_ldap: LDAP sambaNtPassword mapped to RADIUS NT-Password
rlm_ldap: LDAP acctFlags mapped to RADIUS SMB-Account-CTRL-TEXT
rlm_ldap: LDAP radiusExpiration mapped to RADIUS Expiration
rlm_ldap: LDAP radiusServiceType mapped to RADIUS Service-Type
rlm_ldap: LDAP radiusFramedProtocol mapped to RADIUS Framed-Protocol
rlm_ldap: LDAP radiusFramedIPAddress mapped to RADIUS Framed-IP-Address
rlm_ldap: LDAP radiusFramedIPNetmask mapped to RADIUS Framed-IP-Netmask
rlm_ldap: LDAP radiusFramedRoute mapped to RADIUS Framed-Route
rlm_ldap: LDAP radiusFramedRouting mapped to RADIUS Framed-Routing
rlm_ldap: LDAP radiusFilterId mapped to RADIUS Filter-Id
rlm_ldap: LDAP radiusFramedMTU mapped to RADIUS Framed-MTU
rlm_ldap: LDAP radiusFramedCompression mapped to RADIUS Framed-Compression
rlm_ldap: LDAP radiusLoginIPHost mapped to RADIUS Login-IP-Host
rlm_ldap: LDAP radiusLoginService mapped to RADIUS Login-Service
rlm_ldap: LDAP radiusLoginTCPPort mapped to RADIUS Login-TCP-Port
rlm_ldap: LDAP radiusCallbackNumber mapped to RADIUS Callback-Number
rlm_ldap: LDAP radiusCallbackId mapped to RADIUS Callback-Id
rlm_ldap: LDAP radiusFramedIPXNetwork mapped to RADIUS Framed-IPX-Network
rlm_ldap: LDAP radiusClass mapped to RADIUS Class
rlm_ldap: LDAP radiusSessionTimeout mapped to RADIUS Session-Timeout
rlm_ldap: LDAP radiusIdleTimeout mapped to RADIUS Idle-Timeout
rlm_ldap: LDAP radiusTerminationAction mapped to RADIUS Termination-Action
rlm_ldap: LDAP radiusLoginLATService mapped to RADIUS Login-LAT-Service
rlm_ldap: LDAP radiusLoginLATNode mapped to RADIUS Login-LAT-Node
rlm_ldap: LDAP radiusLoginLATGroup mapped to RADIUS Login-LAT-Group
rlm_ldap: LDAP radiusFramedAppleTalkLink mapped to RADIUS
Framed-AppleTalk-Link
rlm_ldap: LDAP radiusFramedAppleTalkNetwork mapped to RADIUS
Framed-AppleTalk-Network
rlm_ldap: LDAP radiusFramedAppleTalkZone mapped to RADIUS
Framed-AppleTalk-Zone
rlm_ldap: LDAP radiusPortLimit mapped to RADIUS Port-Limit
rlm_ldap: LDAP radiusLoginLATPort mapped to RADIUS Login-LAT-Port
conns: 0x5bc100
Module: Instantiated ldap (ldap)
Module: Loaded CHAP
Module: Instantiated chap (chap)
Module: Loaded MS-CHAP
 mschap: use_mppe = yes
 mschap: require_encryption = no
 mschap: require_strong = no
 mschap: with_ntdomain_hack = yes
 mschap: passwd = "(null)"
 mschap: ntlm_auth = "(null)"
Module: Instantiated mschap (mschap)
Module: Loaded System
 unix: cache = no
 unix: passwd = "(null)"
 unix: shadow = "(null)"
 unix: group = "(null)"
 unix: radwtmp = "/var/log/radwtmp"
 unix: usegroup = no
 unix: cache_reload = 600
Module: Instantiated unix (unix)
Module: Loaded preprocess
 preprocess: huntgroups = "/usr/local/etc/raddb/huntgroups"
 preprocess: hints = "/usr/local/etc/raddb/hints"
 preprocess: with_ascend_hack = no
 preprocess: ascend_channels_per_line = 23
 preprocess: with_ntdomain_hack = no
 preprocess: with_specialix_jetstream_hack = no
 preprocess: with_cisco_vsa_hack = no
 preprocess: with_alvarion_vsa_hack = no
Module: Instantiated preprocess (preprocess)
Module: Loaded files
 files: usersfile = "/usr/local/etc/raddb/users"
 files: acctusersfile = "/usr/local/etc/raddb/acct_users"
 files: preproxy_usersfile = "/usr/local/etc/raddb/preproxy_users"
 files: compat = "no"
Module: Instantiated files (files)
Module: Loaded realm
 realm: format = "suffix"
 realm: delimiter = "@"
 realm: ignore_default = no
 realm: ignore_null = no
Module: Instantiated realm (suffix)
Module: Loaded detail
 detail: detailfile = "/var/log/radacct/%{Client-IP-Address}/detail-%Y%m%d"
 detail: detailperm = 384
 detail: dirperm = 493
 detail: locking = no
Module: Instantiated detail (detail)
Module: Loaded radutmp
 radutmp: filename = "/var/log/radutmp"
 radutmp: username = "%{User-Name}"
 radutmp: case_sensitive = yes
 radutmp: check_with_nas = yes
 radutmp: perm = 384
 radutmp: callerid = yes
Module: Instantiated radutmp (radutmp)
Listening on authentication *:1812
Listening on accounting *:1813
Ready to process requests.
rad_recv: Access-Request packet from host 150.162.67.254:32838, id=28,
length=94
    Service-Type = Framed-User
    Framed-Protocol = PPP
    User-Name = "nobody"
    CHAP-Challenge = 0x5eeda4e624ec08496ead36b7895bb06f1eb3a24801
    CHAP-Password = 0xe41a875f6823b9777d806817d4d3a3121d
    NAS-IP-Address = 1.1.1.1
    NAS-Port = 0
  Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 0
  modcall[authorize]: module "preprocess" returns ok for request 0
    users: Matched entry DEFAULT at line 198
  modcall[authorize]: module "files" returns ok for request 0
rlm_ldap: - authorize
rlm_ldap: performing user authorization for nobody
radius_xlat:  '(&(objectClass=posixAccount)(uid=nobody))'
radius_xlat:  'ou=Users,dc=telemedicina,dc=ufsc,dc=br'
rlm_ldap: ldap_get_conn: Checking Id: 0
rlm_ldap: ldap_get_conn: Got Id: 0
rlm_ldap: attempting LDAP reconnection
rlm_ldap: (re)connect to ldap.telemedicina.ufsc.br:389, authentication 0
rlm_ldap: bind as cn=Manager,dc=telemedicina,dc=ufsc,dc=br/XXXXX to
ldap.telemedicina.ufsc.br:389
rlm_ldap: waiting for bind result ...
rlm_ldap: Bind was successful
rlm_ldap: performing search in ou=Users,dc=telemedicina,dc=ufsc,dc=br, with
filter (&(objectClass=posixAccount)(uid=nobody))
rlm_ldap: Password header not found in password
5A88C11C0EDC83D3DEA6AE1A0653E889 for user nobody
rlm_ldap: looking for check items in directory...
rlm_ldap: Adding sambaNtPassword as NT-Password, value
5A88C11C0EDC83D3DEA6AE1A0653E889 & op=21
rlm_ldap: Adding sambaLmPassword as LM-Password, value
89E0B38AC380D2B8AAD3B435B51404EE & op=21
rlm_ldap: looking for reply items in directory...
rlm_ldap: user nobody authorized to use remote access
rlm_ldap: ldap_release_conn: Release Id: 0
  modcall[authorize]: module "ldap" returns ok for request 0
  rlm_chap: Setting 'Auth-Type := CHAP'
  modcall[authorize]: module "chap" returns ok for request 0
  modcall[authorize]: module "mschap" returns noop for request 0
    rlm_realm: No '@' in User-Name = "nobody", looking up realm NULL
    rlm_realm: No such realm "NULL"
  modcall[authorize]: module "suffix" returns noop for request 0
rlm_pap: Normalizing NT-Password from hex encoding
rlm_pap: Normalizing LM-Password from hex encoding
rlm_pap: Found existing Auth-Type, not changing it.
  modcall[authorize]: module "pap" returns noop for request 0
modcall: leaving group authorize (returns ok) for request 0
  rad_check_password:  Found Auth-Type CHAP
auth: type "CHAP"
  Processing the authenticate section of radiusd.conf
modcall: entering group CHAP for request 0
  rlm_chap: login attempt by "nobody" with CHAP password
  rlm_chap: Could not find clear text password for user nobody
  modcall[authenticate]: module "chap" returns invalid for request 0
modcall: leaving group CHAP (returns invalid) for request 0
auth: Failed to validate the user.
*Login incorrect (rlm_chap: Clear text password not available): *[nobody]
(from client access-vpn port 0)
Delaying request 0 for 1 seconds
Finished request 0
Going to the next request
--- Walking the entire request list ---
Waking up in 1 seconds...
--- Walking the entire request list ---
Waking up in 1 seconds...
--- Walking the entire request list ---
Sending Access-Reject of id 28 to 150.162.67.254 port 32838
Waking up in 4 seconds...
--- Walking the entire request list ---
Cleaning up request 0 ID 28 with timestamp 492d66b7
Nothing to do.  Sleeping until we see a request.
====

The result of 'radtest':

epiderme:/etc/ppp# radtest nobody XXXXX ldap.telemedicina.ufsc.br:1812 1
XXXXXX
Sending Access-Request of id 241 to 150.162.67.5 port 1812
    User-Name = "nobody"
    User-Password = "0101"
    NAS-IP-Address = 255.255.255.255
    NAS-Port = 1
rad_recv: Access-Accept packet from host 150.162.67.5:1812, id=241,
length=20

==

Please, anyone can help me?

Thanks in advanced.
Douglas
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