Problems with EAP authentication

Tomislav Goluza tomislavgoluza at gmail.com
Fri Oct 17 08:29:41 CEST 2008


I have  a problem authenticating with Cisco Aironet 1200 access point. I
have valid certificates on my laptop and on Freeradius.

This is the output on AP:

Interface Dot11Radio0, Deauthenticating Station 001e.4c8c.8406 Reason:
Sending station has left the BSS
Interface Dot11Radio0, Station NBD7FB3G3J 001e.4c8c.8406 Associated
KEY_MGMT[NONE] 3
Interface Dot11Radio0, Deauthenticating Station 001e.4c8c.8406 Reason:
Previous authentication no longer valid

This is what I get on freeradius:

[root at radius ~]# radiusd -X
Starting - reading configuration files ...
reread_config:  reading radiusd.conf
Config:   including file: /etc/raddb/proxy.conf
Config:   including file: /etc/raddb/clients.conf
Config:   including file: /etc/raddb/snmp.conf
Config:   including file: /etc/raddb/eap.conf
 main: prefix = "/usr"
 main: localstatedir = "/var"
 main: logdir = "/var/log/radius"
 main: libdir = "/usr/lib"
 main: radacctdir = "/var/log/radius/radacct"
 main: hostname_lookups = no
 main: snmp = 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/radius.log"
 main: log_auth = no
 main: log_auth_badpass = no
 main: log_auth_goodpass = no
 main: pidfile = "/var/run/radiusd/radiusd.pid"
 main: user = "root"
 main: group = "root"
 main: usercollide = no
 main: lower_user = "no"
 main: lower_pass = "no"
 main: nospace_user = "no"
 main: nospace_pass = "no"
 main: checkrad = "/usr/sbin/checkrad"
 main: proxy_requests = yes
 proxy: retry_delay = 5
 proxy: retry_count = 3
 proxy: synchronous = no
 proxy: default_fallback = yes
 proxy: dead_time = 120
 proxy: post_proxy_authorize = no
 proxy: wake_all_if_all_dead = 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
Using deprecated naslist file.  Support for this will go away soon.
read_config_files:  reading clients
read_config_files:  reading realms
radiusd:  entering modules setup
Module: Library search path is /usr/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"
Module: Instantiated pap (pap)
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 = no
 mschap: passwd = "(null)"
 mschap: ntlm_auth = "(null)"
Module: Instantiated mschap (mschap)
Module: Loaded System
 unix: cache = no
 unix: passwd = "/etc/passwd"
 unix: shadow = "/etc/shadow"
 unix: group = "/etc/group"
 unix: radwtmp = "/var/log/radius/radwtmp"
 unix: usegroup = no
 unix: cache_reload = 600
Module: Instantiated unix (unix)
Module: Loaded eap
 eap: default_eap_type = "tls"
 eap: timer_expire = 60
 eap: ignore_unknown_eap_types = no
 eap: cisco_accounting_username_bug = no
rlm_eap: Loaded and initialized type md5
rlm_eap: Loaded and initialized type leap
 gtc: challenge = "Password: "
 gtc: auth_type = "PAP"
rlm_eap: Loaded and initialized type gtc
 tls: rsa_key_exchange = no
 tls: dh_key_exchange = yes
 tls: rsa_key_length = 512
 tls: dh_key_length = 512
 tls: verify_depth = 0
 tls: CA_path = "(null)"
 tls: pem_file_type = yes
 tls: private_key_file = "/etc/raddb/certs/server_keycert.pem"
 tls: certificate_file = "/etc/raddb/certs/server_keycert.pem"
 tls: CA_file = "/etc/raddb/certs/cacert.pem"
 tls: private_key_password = "freeradius"
 tls: dh_file = "/etc/raddb/certs/dh"
 tls: random_file = "/etc/raddb/certs/random"
 tls: fragment_size = 1024
 tls: include_length = yes
 tls: check_crl = no
 tls: check_cert_cn = "(null)"
 tls: cipher_list = "(null)"
 tls: check_cert_issuer = "(null)"
rlm_eap_tls: Loading the certificate file as a chain
rlm_eap: Loaded and initialized type tls
 mschapv2: with_ntdomain_hack = no
rlm_eap: Loaded and initialized type mschapv2
Module: Instantiated eap (eap)
Module: Loaded preprocess
 preprocess: huntgroups = "/etc/raddb/huntgroups"
 preprocess: hints = "/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 realm
 realm: format = "suffix"
 realm: delimiter = "@"
 realm: ignore_default = no
 realm: ignore_null = no
Module: Instantiated realm (suffix)
Module: Loaded files
 files: usersfile = "/etc/raddb/users"
 files: acctusersfile = "/etc/raddb/acct_users"
 files: preproxy_usersfile = "/etc/raddb/preproxy_users"
 files: compat = "no"
Module: Instantiated files (files)
Module: Loaded Acct-Unique-Session-Id
 acct_unique: key = "User-Name, Acct-Session-Id, NAS-IP-Address,
Client-IP-Address, NAS-Port"
Module: Instantiated acct_unique (acct_unique)
Module: Loaded detail
 detail: detailfile =
"/var/log/radius/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/radius/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
192.168.177.121:1645, id=23, length=149
rad_recv: Access-Request packet from host 192.168.177.121:1645, id=24,
length=256
        User-Name = "radius.rc.internal"
        Framed-MTU = 1400
        Called-Station-Id = "000f.9093.b5c0"
        Calling-Station-Id = "001e.4c8c.8406"
        Service-Type = Login-User
        Message-Authenticator = 0x6fe0a230a00d77e3336c69daf8d5f435
        EAP-Message =
0x020300700d800000006616030100610100005d030148f73a1b8c1dcc0750843f75c1f268c7dc1c034d6fb2487d406bcffe5d6cf4d600003600390038003500160013000a00330032002f0007006600050004006300620061001500120009006500640060001400110008000600030100
        NAS-Port-Type = Wireless-802.11
        NAS-Port = 261
        State = 0x4f843413ae6144aacc887d596ec6161b
        NAS-IP-Address = 192.168.177.121
        NAS-Identifier = "AP"
  Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 1
  modcall[authorize]: module "preprocess" returns ok for request 1
  modcall[authorize]: module "chap" returns noop for request 1
  modcall[authorize]: module "mschap" returns noop for request 1
    rlm_realm: No '@' in User-Name = "radius.rc.internal", looking up realm
NULL
    rlm_realm: No such realm "NULL"
  modcall[authorize]: module "suffix" returns noop for request 1
  rlm_eap: EAP packet type response id 3 length 112
  rlm_eap: No EAP Start, assuming it's an on-going EAP conversation
  modcall[authorize]: module "eap" returns updated for request 1
    users: Matched entry DEFAULT at line 159
  modcall[authorize]: module "files" returns ok for request 1
modcall: leaving group authorize (returns updated) for request 1
  rad_check_password:  Found Auth-Type EAP
auth: type "EAP"
  Processing the authenticate section of radiusd.conf
modcall: entering group authenticate for request 1
  rlm_eap: Request found, released from the list
  rlm_eap: EAP/tls
  rlm_eap: processing type tls
  rlm_eap_tls: Authenticate
  rlm_eap_tls: processing TLS
rlm_eap_tls:  Length Included
  eaptls_verify returned 11
    (other): before/accept initialization
    TLS_accept: before/accept initialization
  rlm_eap_tls: <<< TLS 1.0 Handshake [length 0061], ClientHello
    TLS_accept: SSLv3 read client hello A
  rlm_eap_tls: >>> TLS 1.0 Handshake [length 004a], ServerHello
    TLS_accept: SSLv3 write server hello A
  rlm_eap_tls: >>> TLS 1.0 Handshake [length 0654], Certificate
    TLS_accept: SSLv3 write certificate A
  rlm_eap_tls: >>> TLS 1.0 Handshake [length 010d], ServerKeyExchange
    TLS_accept: SSLv3 write key exchange A
  rlm_eap_tls: >>> TLS 1.0 Handshake [length 00a5], CertificateRequest
    TLS_accept: SSLv3 write certificate request A
    TLS_accept: SSLv3 flush data
    TLS_accept:error in SSLv3 read client certificate A
rlm_eap: SSL error error:00000000:lib(0):func(0):reason(0)
In SSL Handshake Phase
In SSL Accept mode
  eaptls_process returned 13
  modcall[authenticate]: module "eap" returns handled for request 1
modcall: leaving group authenticate (returns handled) for request 1
Sending Access-Challenge of id 24 to 192.168.177.121 port 1645
        Tunnel-Type:0 = VLAN
        Tunnel-Medium-Type:0 = IEEE-802
        Tunnel-Private-Group-Id:0 = "4091"
        EAP-Message =
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
        EAP-Message =
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
        EAP-Message =
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
        EAP-Message =
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
        EAP-Message = 0x06035504061302706b311530130603550408130c7061
        Message-Authenticator = 0x00000000000000000000000000000000
        State = 0x5dbbf6bd35b4c1f6c4bd34a2cd101387
Finished request 1
Going to the next request
Waking up in 6 seconds...
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