802.1x, EAP and LDAP

Mike Richardson doctor at mcc.ac.uk
Tue Mar 4 11:04:51 CET 2008


On Tue, Mar 04, 2008 at 10:45:37AM +0100, Alan DeKok wrote:
>   Um... no.  When I said "uncomment and configure the ldap module", it
> did NOT mean "re-name the existing ldap module, and add a new one with a
> different name".
> 
>   The extra work you're doing is breaking the server.  Stop it.  Just
> un-comment the original ldap module, and configure it.  Don't re-name
> it.  Don't add a new ldap module.

Ok, done that now, still doesn't work though unfortunately.

Thanks for the instantiation explanation, that was useful and cleared up
some confusion. 

prefix = /usr
exec_prefix = /usr
sysconfdir = /etc
localstatedir = /var
sbindir = ${exec_prefix}/sbin
logdir = /var/log/freeradius
raddbdir = /etc/freeradius
radacctdir = ${logdir}/radacct
confdir = ${raddbdir}
run_dir = ${localstatedir}/run/freeradius
log_file = ${logdir}/radius.log
libdir = /usr/lib/freeradius
pidfile = ${run_dir}/freeradius.pid
user = freerad
group = freerad
max_request_time = 30
delete_blocked_requests = no
cleanup_delay = 5
max_requests = 1024
bind_address = *
port = 0
hostname_lookups = no
allow_core_dumps = no
regular_expressions	= yes
extended_expressions	= yes
log_stripped_names = no
log_auth = no
log_auth_badpass = no
log_auth_goodpass = no
usercollide = no
lower_user = no
lower_pass = no
nospace_user = no
nospace_pass = no
checkrad = ${sbindir}/checkrad
security {
	max_attributes = 200
	reject_delay = 1
	status_server = no
}
proxy_requests  = yes
$INCLUDE  ${confdir}/proxy.conf
$INCLUDE  ${confdir}/clients.conf
$INCLUDE  ${confdir}/imported_clients.cfg
snmp	= no
$INCLUDE  ${confdir}/snmp.conf
thread pool {
	start_servers = 5
	max_servers = 32
	min_spare_servers = 3
	max_spare_servers = 10
	max_requests_per_server = 0
}
modules {
	pap {
		auto_header = yes
	}
	chap {
		authtype = CHAP
	}
	pam {
		pam_auth = radiusd
	}
	unix {
		cache = no
		cache_reload = 600
		shadow = /etc/shadow
		radwtmp = ${logdir}/radwtmp
	}
$INCLUDE ${confdir}/eap.conf
	mschap {
	}
        ldap {
                server = "UK-AC-MAN-MTEST"
                identity = "cn=radiusadmin,ou=dir,o=ac,c=uk"
                password = radius30
                port = 636
                basedn = "c=uk"
                filter = "(uid=%{Stripped-User-Name:-%{User-Name}})"
                start_tls = no
                tls_cacertfile  = /home/doctor/oak-test-publickeycert.pem
                tls_require_cert        = "demand"
                dictionary_mapping = ${raddbdir}/ldap.attrmap
                ldap_connections_number = 5
                password_attribute = nspmdistributionpassword
                edir_account_policy_check=no
                timeout = 4
                timelimit = 3
                net_timeout = 1
        }
	realm IPASS {
		format = prefix
		delimiter = "/"
		ignore_default = no
		ignore_null = no
	}
	realm suffix {
		format = suffix
		delimiter = "@"
		ignore_default = no
		ignore_null = no
	}
	realm realmpercent {
		format = suffix
		delimiter = "%"
		ignore_default = no
		ignore_null = no
	}
	realm ntdomain {
		format = prefix
		delimiter = "\\"
		ignore_default = no
		ignore_null = no
	}	
	checkval {
		item-name = Calling-Station-Id
		check-name = Calling-Station-Id
		data-type = string
	}
	
	preprocess {
		huntgroups = ${confdir}/huntgroups
		hints = ${confdir}/hints
		with_ascend_hack = no
		ascend_channels_per_line = 23
		with_ntdomain_hack = no
		with_specialix_jetstream_hack = no
		with_cisco_vsa_hack = no
	}
	files {
		usersfile = ${confdir}/users
		acctusersfile = ${confdir}/acct_users
		preproxy_usersfile = ${confdir}/preproxy_users
		compat = no
	}
	detail {
		detailfile = ${radacctdir}/%{Client-IP-Address}/detail-%Y%m%d
		detailperm = 0600
	}
	acct_unique {
		key = "User-Name, Acct-Session-Id, NAS-IP-Address, Client-IP-Address, NAS-Port"
	}
	$INCLUDE  ${confdir}/sql.conf
	
	radutmp {
		filename = ${logdir}/radutmp
		username = %{User-Name}
		case_sensitive = yes
		check_with_nas = yes		
		perm = 0600
		callerid = "yes"
	}
	radutmp sradutmp {
		filename = ${logdir}/sradutmp
		perm = 0644
		callerid = "no"
	}
	attr_filter {
		attrsfile = ${confdir}/attrs
	}
	counter daily {
		filename = ${raddbdir}/db.daily
		key = User-Name
		count-attribute = Acct-Session-Time
		reset = daily
		counter-name = Daily-Session-Time
		check-name = Max-Daily-Session
		allowed-servicetype = Framed-User
		cache-size = 5000
	}
	sqlcounter dailycounter {
		counter-name = Daily-Session-Time
		check-name = Max-Daily-Session
		reply-name = Session-Timeout
		sqlmod-inst = sql
		key = User-Name
		reset = daily
		query = "SELECT SUM(AcctSessionTime - \
                 GREATEST((%b - UNIX_TIMESTAMP(AcctStartTime)), 0)) \
                 FROM radacct WHERE UserName='%{%k}' AND \
                 UNIX_TIMESTAMP(AcctStartTime) + AcctSessionTime > '%b'"
	}
	sqlcounter monthlycounter {
		counter-name = Monthly-Session-Time
		check-name = Max-Monthly-Session
		reply-name = Session-Timeout
		sqlmod-inst = sql
		key = User-Name
		reset = monthly
		query = "SELECT SUM(AcctSessionTime - \
                 GREATEST((%b - UNIX_TIMESTAMP(AcctStartTime)), 0)) \
                 FROM radacct WHERE UserName='%{%k}' AND \
                 UNIX_TIMESTAMP(AcctStartTime) + AcctSessionTime > '%b'"
	}
	always fail {
		rcode = fail
	}
	always reject {
		rcode = reject
	}
	always ok {
		rcode = ok
		simulcount = 0
		mpp = no
	}
	expr {
	}
	digest {
	}
	exec {
		wait = yes
		input_pairs = request
	}
	exec echo {
		wait = yes
		program = "/bin/echo %{User-Name}"
		input_pairs = request
		output_pairs = reply
	}
	ippool main_pool {
		range-start = 192.168.1.1
		range-stop = 192.168.3.254
		netmask = 255.255.255.0
		cache-size = 800
		session-db = ${raddbdir}/db.ippool
		ip-index = ${raddbdir}/db.ipindex
		override = no
		maximum-timeout = 0
	}
}
instantiate {
	exec
	expr
}
authorize {
	preprocess
	
	chap
	mschap
	suffix
	eap
	files
	ldap
	pap
}
authenticate {
	Auth-Type PAP {
		pap
	}
	Auth-Type CHAP {
		chap
	}
	Auth-Type MS-CHAP {
		mschap
	}
	unix
	Auth-Type LDAP {
		ldap
	}
	eap
}
preacct {
	preprocess
	acct_unique
	suffix
	files
}
accounting {
	detail
	unix
	radutmp
}
session {
	radutmp
}
post-auth {
	ldap
}
pre-proxy {
}
post-proxy {
	eap
}


Starting - reading configuration files ...
reread_config:  reading radiusd.conf
Config:   including file: /etc/freeradius/proxy.conf
Config:   including file: /etc/freeradius/clients.conf
Config:   including file: /etc/freeradius/imported_clients.cfg
Config:   including file: /etc/freeradius/snmp.conf
Config:   including file: /etc/freeradius/eap.conf
Config:   including file: /etc/freeradius/sql.conf
 main: prefix = "/usr"
 main: localstatedir = "/var"
 main: logdir = "/var/log/freeradius"
 main: libdir = "/usr/lib/freeradius"
 main: radacctdir = "/var/log/freeradius/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/freeradius/radius.log"
 main: log_auth = no
 main: log_auth_badpass = no
 main: log_auth_goodpass = no
 main: pidfile = "/var/run/freeradius/freeradius.pid"
 main: user = "freerad"
 main: group = "freerad"
 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/freeradius
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 = yes
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 = "(null)"
 unix: shadow = "/etc/shadow"
 unix: group = "(null)"
 unix: radwtmp = "/var/log/freeradius/radwtmp"
 unix: usegroup = no
 unix: cache_reload = 600
Module: Instantiated unix (unix) 
Module: Loaded LDAP 
 ldap: server = "UK-AC-MAN-MTEST"
 ldap: port = 636
 ldap: net_timeout = 1
 ldap: timeout = 4
 ldap: timelimit = 3
 ldap: identity = "cn=radiusadmin,ou=dir,o=ac,c=uk"
 ldap: tls_mode = no
 ldap: start_tls = no
 ldap: tls_cacertfile = "/home/doctor/oak-test-publickeycert.pem"
 ldap: tls_cacertdir = "(null)"
 ldap: tls_certfile = "(null)"
 ldap: tls_keyfile = "(null)"
 ldap: tls_randfile = "(null)"
 ldap: tls_require_cert = "demand"
 ldap: password = "radius30"
 ldap: basedn = "c=uk"
 ldap: filter = "(uid=%{Stripped-User-Name:-%{User-Name}})"
 ldap: base_filter = "(objectclass=radiusprofile)"
 ldap: default_profile = "(null)"
 ldap: profile_attribute = "(null)"
 ldap: password_header = "(null)"
 ldap: password_attribute = "nspmdistributionpassword"
 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 = "/etc/freeradius/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: edir_account_policy_check = no
 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 /etc/freeradius/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 lmPassword mapped to RADIUS LM-Password
rlm_ldap: LDAP ntPassword 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 radiusNASIpAddress mapped to RADIUS NAS-IP-Address
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
rlm_ldap: LDAP radiusReplyMessage mapped to RADIUS Reply-Message
conns: 0x80110648
Module: Instantiated ldap (ldap) 
Module: Loaded eap 
 eap: default_eap_type = "md5"
 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
 mschapv2: with_ntdomain_hack = no
rlm_eap: Loaded and initialized type mschapv2
Module: Instantiated eap (eap) 
Module: Loaded preprocess 
 preprocess: huntgroups = "/etc/freeradius/huntgroups"
 preprocess: hints = "/etc/freeradius/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/freeradius/users"
 files: acctusersfile = "/etc/freeradius/acct_users"
 files: preproxy_usersfile = "/etc/freeradius/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/freeradius/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/freeradius/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 130.88.200.85:1025, id=58, length=48
	User-Name = "raduser1"
	User-Password = "raduser10"
  Processing the authorize section of radiusd.conf
modcall: entering group authorize for request 0
  modcall[authorize]: module "preprocess" returns ok for request 0
  modcall[authorize]: module "chap" returns noop for request 0
  modcall[authorize]: module "mschap" returns noop for request 0
    rlm_realm: No '@' in User-Name = "raduser1", looking up realm NULL
    rlm_realm: No such realm "NULL"
  modcall[authorize]: module "suffix" returns noop for request 0
  rlm_eap: No EAP-Message, not doing EAP
  modcall[authorize]: module "eap" returns noop for request 0
    users: Matched entry DEFAULT at line 155
  modcall[authorize]: module "files" returns ok for request 0
rlm_ldap: - authorize
rlm_ldap: performing user authorization for raduser1
radius_xlat:  '(uid=raduser1)'
radius_xlat:  'c=uk'
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 UK-AC-MAN-MTEST:636, authentication 0
rlm_ldap: setting TLS mode to 1
rlm_ldap: setting TLS CACert File to /home/doctor/oak-test-publickeycert.pem
rlm_ldap: setting TLS Require Cert to demand
rlm_ldap: bind as cn=radiusadmin,ou=dir,o=ac,c=uk/radius30 to UK-AC-MAN-MTEST:636
rlm_ldap: waiting for bind result ...
rlm_ldap: Bind was successful
rlm_ldap: performing search in c=uk, with filter (uid=raduser1)
rlm_ldap: No default NMAS login sequence
rlm_ldap: looking for check items in directory...
rlm_ldap: looking for reply items in directory...
rlm_ldap: user raduser1 authorized to use remote access
rlm_ldap: ldap_release_conn: Release Id: 0
  modcall[authorize]: module "ldap" returns ok for request 0
rlm_pap: WARNING! No "known good" password found for the user.  Authentication may fail because of this.
  modcall[authorize]: module "pap" returns noop for request 0
modcall: leaving group authorize (returns ok) for request 0
  rad_check_password:  Found Auth-Type System
auth: type "System"
  Processing the authenticate section of radiusd.conf
modcall: entering group authenticate for request 0
  modcall[authenticate]: module "unix" returns notfound for request 0
modcall: leaving group authenticate (returns notfound) for request 0
auth: Failed to validate the user.
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 58 to 130.88.200.85 port 1025
Waking up in 4 seconds...


Mike

-- 
Mike Richardson
Networks
IT Services, University of Manchester
*Plain text only please - attachments stripped on arrival*



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