Freeradius as DHCP server (static IP + some options)

Leo Combes combesl at gmail.com
Wed Jan 23 21:49:27 CET 2013


Thanks for your reply.
Fortunately it seems that the segfault is a false alarm.
As it semt strange to me that Freeradius stop working by segfault, I
installed FR in another PC and I copy the same configuration.

Now it seems to be working, except that it stays in loop on DHCP
Discover (no Offer, no Request, no Ack).

FreeRADIUS Version 2.2.0, for host x86_64-pc-linux-gnu, built on Sep
20 2012 at 04:13:51
Copyright (C) 1999-2012 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/clients.conf
including files in directory /etc/freeradius/mods-enabled/
including configuration file
/etc/freeradius/mods-enabled/sqlcounter_expire_on_login
including configuration file /etc/freeradius/mods-enabled/rediswho
including configuration file /etc/freeradius/mods-enabled/otp
including configuration file /etc/freeradius/mods-enabled/mac2vlan
including configuration file /etc/freeradius/mods-enabled/smsotp
including configuration file /etc/freeradius/mods-enabled/chap
including configuration file /etc/freeradius/mods-enabled/checkval
including configuration file /etc/freeradius/mods-enabled/dhcp_sqlippool
including configuration file /etc/freeradius/mods-enabled/pap
including configuration file /etc/freeradius/mods-enabled/inner-eap
including configuration file /etc/freeradius/mods-enabled/ippool
including configuration file /etc/freeradius/mods-enabled/soh
including configuration file /etc/freeradius/mods-enabled/exec
including configuration file /etc/freeradius/mods-enabled/sql_log
including configuration file /etc/freeradius/mods-enabled/redis
including configuration file /etc/freeradius/mods-enabled/ntlm_auth
including configuration file /etc/freeradius/mods-enabled/logintime
including configuration file /etc/freeradius/mods-enabled/passwd
including configuration file /etc/freeradius/mods-enabled/expiration
including configuration file /etc/freeradius/mods-enabled/counter
including configuration file /etc/freeradius/mods-enabled/acct_unique
including configuration file /etc/freeradius/mods-enabled/krb5
including configuration file /etc/freeradius/mods-enabled/policy
including configuration file /etc/freeradius/mods-enabled/dynamic_clients
including configuration file /etc/freeradius/mods-enabled/detail.log
including configuration file /etc/freeradius/mods-enabled/expr
including configuration file /etc/freeradius/mods-enabled/ldap
including configuration file /etc/freeradius/mods-enabled/opendirectory
including configuration file /etc/freeradius/mods-enabled/cache
including configuration file /etc/freeradius/mods-enabled/always
including configuration file /etc/freeradius/mods-enabled/digest
including configuration file /etc/freeradius/mods-enabled/realm
including configuration file /etc/freeradius/mods-enabled/detail
including configuration file /etc/freeradius/mods-enabled/perl
including configuration file /etc/freeradius/mods-enabled/detail.example.com
including configuration file /etc/freeradius/mods-enabled/attr_rewrite
including configuration file /etc/freeradius/mods-enabled/mac2ip
including configuration file /etc/freeradius/mods-enabled/files
including configuration file /etc/freeradius/mods-enabled/linelog
including configuration file /etc/freeradius/mods-enabled/preprocess
including configuration file /etc/freeradius/mods-enabled/pam
including configuration file /etc/freeradius/mods-enabled/attr_filter
including configuration file /etc/freeradius/mods-enabled/etc_group
including configuration file /etc/freeradius/mods-enabled/radutmp
including configuration file /etc/freeradius/mods-enabled/smbpasswd
including configuration file /etc/freeradius/mods-enabled/echo
including configuration file /etc/freeradius/mods-enabled/wimax
including configuration file /etc/freeradius/mods-enabled/replicate
including configuration file /etc/freeradius/mods-enabled/mschap
including configuration file /etc/freeradius/mods-enabled/cui
including configuration file /etc/freeradius/mods-enabled/unix
including configuration file /etc/freeradius/mods-enabled/radrelay
including configuration file /etc/freeradius/mods-enabled/sradutmp
including configuration file /etc/freeradius/eap.conf
including configuration file /etc/freeradius/sqlippool.conf
including configuration file /etc/freeradius/sql/mysql/ippool.conf
including configuration file /etc/freeradius/policy.conf
including files in directory /etc/freeradius/sites-enabled/
including configuration file /etc/freeradius/sites-enabled/dhcp
including configuration file /etc/freeradius/sites-enabled/default
including configuration file /etc/freeradius/sites-enabled/inner-tunnel
main {
	user = "root"
	group = "freerad"
	allow_core_dumps = no
}
including dictionary file /etc/freeradius/dictionary
main {
	name = "freeradius"
	prefix = "/usr"
	localstatedir = "/var"
	sbindir = "/usr/sbin"
	logdir = "/var/log/freeradius"
	run_dir = "/var/run/freeradius"
	libdir = "/usr/lib/freeradius"
	radacctdir = "/var/log/freeradius/radacct"
	hostname_lookups = no
	max_request_time = 30
	cleanup_delay = 5
	max_requests = 1024
	pidfile = "/var/run/freeradius/freeradius.pid"
	checkrad = "/usr/sbin/checkrad"
	debug_level = 0
	proxy_requests = yes
 log {
	stripped_names = no
	auth = no
	auth_badpass = no
	auth_goodpass = no
 }
 security {
	max_attributes = 200
	reject_delay = 1
	status_server = yes
 }
}
radiusd: #### Loading Realms and Home Servers ####
radiusd: #### Loading Clients ####
 client localhost {
	ipaddr = 127.0.0.1
	require_message_authenticator = no
	secret = "testing123"
	nastype = "other"
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating module "exec" from file /etc/freeradius/mods-enabled/exec
  exec {
	wait = no
	input_pairs = "request"
	shell_escape = yes
  }
 Module: Linked to module rlm_expr
 Module: Instantiating module "expr" from file /etc/freeradius/mods-enabled/expr
 Module: Linked to module rlm_expiration
 Module: Instantiating module "expiration" from file
/etc/freeradius/mods-enabled/expiration
  expiration {
	reply-message = "Password Has Expired  "
  }
 Module: Linked to module rlm_logintime
 Module: Instantiating module "logintime" from file
/etc/freeradius/mods-enabled/logintime
  logintime {
	reply-message = "You are calling outside your allowed timespan  "
	minimum-timeout = 60
  }
 }
radiusd: #### Loading Virtual Servers ####
server { # from file /etc/freeradius/radiusd.conf
 modules {
  Module: Creating Auth-Type = digest
  Module: Creating Post-Auth-Type = REJECT
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_pap
 Module: Instantiating module "pap" from file /etc/freeradius/mods-enabled/pap
  pap {
	encryption_scheme = "auto"
	auto_header = no
  }
 Module: Linked to module rlm_chap
 Module: Instantiating module "chap" from file /etc/freeradius/mods-enabled/chap
 Module: Linked to module rlm_mschap
 Module: Instantiating module "mschap" from file
/etc/freeradius/mods-enabled/mschap
  mschap {
	use_mppe = yes
	require_encryption = no
	require_strong = no
	with_ntdomain_hack = no
	allow_retry = yes
  }
 Module: Linked to module rlm_digest
 Module: Instantiating module "digest" from file
/etc/freeradius/mods-enabled/digest
 Module: Linked to module rlm_unix
 Module: Instantiating module "unix" from file /etc/freeradius/mods-enabled/unix
  unix {
	radwtmp = "/var/log/freeradius/radwtmp"
  }
 Module: Linked to module rlm_eap
 Module: Instantiating module "eap" from file /etc/freeradius/eap.conf
  eap {
	default_eap_type = "md5"
	timer_expire = 60
	ignore_unknown_eap_types = no
	cisco_accounting_username_bug = no
	max_sessions = 4096
  }
 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"
   }
 Module: Linked to sub-module rlm_eap_tls
 Module: Instantiating eap-tls
   tls {
	rsa_key_exchange = no
	dh_key_exchange = yes
	rsa_key_length = 512
	dh_key_length = 512
	verify_depth = 0
	CA_path = "/etc/freeradius/certs"
	pem_file_type = yes
	private_key_file = "/etc/freeradius/certs/server.key"
	certificate_file = "/etc/freeradius/certs/server.pem"
	CA_file = "/etc/freeradius/certs/ca.pem"
	private_key_password = "whatever"
	dh_file = "/etc/freeradius/certs/dh"
	random_file = "/dev/urandom"
	fragment_size = 1024
	include_length = yes
	check_crl = no
	cipher_list = "DEFAULT"
	make_cert_command = "/etc/freeradius/certs/bootstrap"
	ecdh_curve = "prime256v1"
    cache {
	enable = no
	lifetime = 24
	max_entries = 255
    }
    verify {
    }
    ocsp {
	enable = no
	override_cert_url = yes
	url = "http://127.0.0.1/ocsp/"
	use_nonce = yes
	timeout = 0
	softfail = no
    }
   }
 Module: Linked to sub-module rlm_eap_ttls
 Module: Instantiating eap-ttls
   ttls {
	default_eap_type = "md5"
	copy_request_to_tunnel = no
	use_tunneled_reply = no
	virtual_server = "inner-tunnel"
	include_length = yes
   }
 Module: Linked to sub-module rlm_eap_peap
 Module: Instantiating eap-peap
   peap {
	default_eap_type = "mschapv2"
	copy_request_to_tunnel = no
	use_tunneled_reply = no
	proxy_tunneled_request_as_eap = yes
	virtual_server = "inner-tunnel"
	soh = no
   }
 Module: Linked to sub-module rlm_eap_mschapv2
 Module: Instantiating eap-mschapv2
   mschapv2 {
	with_ntdomain_hack = no
	send_error = no
   }
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating module "preprocess" from file
/etc/freeradius/mods-enabled/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
  }
reading pairlist file /etc/freeradius/huntgroups
reading pairlist file /etc/freeradius/hints
 Module: Linked to module rlm_realm
 Module: Instantiating module "suffix" from file
/etc/freeradius/mods-enabled/realm
  realm suffix {
	format = "suffix"
	delimiter = "@"
	ignore_default = no
	ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating module "files" from file
/etc/freeradius/mods-enabled/files
  files {
	usersfile = "/etc/freeradius/users"
	acctusersfile = "/etc/freeradius/acct_users"
	preproxy_usersfile = "/etc/freeradius/preproxy_users"
	compat = "no"
  }
reading pairlist file /etc/freeradius/users
reading pairlist file /etc/freeradius/acct_users
reading pairlist file /etc/freeradius/preproxy_users
 Module: Checking preacct {...} for more modules to load
 Module: Linked to module rlm_acct_unique
 Module: Instantiating module "acct_unique" from file
/etc/freeradius/mods-enabled/acct_unique
  acct_unique {
	key = "User-Name, Acct-Session-Id, NAS-IP-Address, NAS-Identifier, NAS-Port"
  }
 Module: Checking accounting {...} for more modules to load
 Module: Linked to module rlm_detail
 Module: Instantiating module "detail" from file
/etc/freeradius/mods-enabled/detail
  detail {
	detailfile = "/var/log/freeradius/radacct/%{%{Packet-Src-IP-Address}:-%{Packet-Src-IPv6-Address}}/detail-%Y%m%d"
	header = "%t"
	detailperm = 384
	dirperm = 493
	locking = no
	log_packet_header = no
  }
 Module: Linked to module rlm_attr_filter
 Module: Instantiating module "attr_filter.accounting_response" from
file /etc/freeradius/mods-enabled/attr_filter
  attr_filter attr_filter.accounting_response {
	attrsfile = "/etc/freeradius/attrs.accounting_response"
	key = "%{User-Name}"
	relaxed = no
  }
reading pairlist file /etc/freeradius/attrs.accounting_response
 Module: Checking session {...} for more modules to load
 Module: Linked to module rlm_radutmp
 Module: Instantiating module "radutmp" from file
/etc/freeradius/mods-enabled/radutmp
  radutmp {
	filename = "/var/log/freeradius/radutmp"
	username = "%{User-Name}"
	case_sensitive = yes
	check_with_nas = yes
	perm = 384
	callerid = yes
  }
 Module: Checking post-proxy {...} for more modules to load
 Module: Checking post-auth {...} for more modules to load
 Module: Instantiating module "attr_filter.access_reject" from file
/etc/freeradius/mods-enabled/attr_filter
  attr_filter attr_filter.access_reject {
	attrsfile = "/etc/freeradius/attrs.access_reject"
	key = "%{User-Name}"
	relaxed = no
  }
reading pairlist file /etc/freeradius/attrs.access_reject
 } # modules
} # server
server dhcp { # from file /etc/freeradius/sites-enabled/dhcp
 modules {
 Module: Checking dhcp DHCP-Discover {...} for more modules to load
 Module: Linked to module rlm_passwd
 Module: Instantiating module "mac2ip" from file
/etc/freeradius/mods-enabled/mac2ip
  passwd mac2ip {
	filename = "/etc/freeradius/mac2ip"
	format = "*DHCP-Client-Hardware-Address:=DHCP-Your-IP-Address"
	delimiter = ","
	ignorenislike = yes
	ignoreempty = yes
	allowmultiplekeys = no
	hashsize = 100
  }
rlm_passwd: nfields: 2 keyfield 0(DHCP-Client-Hardware-Address) listable: no
 Module: Linked to module rlm_always
 Module: Instantiating module "ok" from file /etc/freeradius/mods-enabled/always
  always ok {
	rcode = "ok"
	simulcount = 0
	mpp = no
  }
 Module: Checking dhcp DHCP-Request {...} for more modules to load
 Module: Checking dhcp (null) {...} for more modules to load
/etc/freeradius/sites-enabled/dhcp[153]: No name specified for
Post-Auth-Type block
 } # modules
} # server
server inner-tunnel { # from file /etc/freeradius/sites-enabled/inner-tunnel
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Checking authorize {...} for more modules to load
 Module: Checking session {...} for more modules to load
 Module: Checking post-proxy {...} for more modules to load
 Module: Checking post-auth {...} for more modules to load
 } # modules
} # server
radiusd: #### Opening IP addresses and Ports ####
listen {
	type = "auth"
	ipaddr = *
	port = 0
}
listen {
	type = "acct"
	ipaddr = *
	port = 0
}
listen {
	type = "dhcp"
	ipaddr = 255.255.255.255
	port = 67
}
listen {
	type = "auth"
	ipaddr = 127.0.0.1
	port = 18120
}
Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on dhcp interface eth0 address 255.255.255.255 port 67 as server dhcp
Listening on authentication address 127.0.0.1 port 18120 as server inner-tunnel
Listening on proxy address * port 1814
Ready to process requests.


Received DHCP-Discover of id 8e22cb4d from 0.0.0.0:68 to 255.255.255.255:67
	DHCP-Opcode = Client-Message
	DHCP-Hardware-Type = Ethernet
	DHCP-Hardware-Address-Length = 6
	DHCP-Hop-Count = 0
	DHCP-Transaction-Id = 2384644941
	DHCP-Number-of-Seconds = 0
	DHCP-Flags = Broadcast
	DHCP-Client-IP-Address = 0.0.0.0
	DHCP-Your-IP-Address = 0.0.0.0
	DHCP-Server-IP-Address = 0.0.0.0
	DHCP-Gateway-IP-Address = 0.0.0.0
	DHCP-Client-Hardware-Address = 00:13:96:00:f9:84
	DHCP-Message-Type = DHCP-Discover
	DHCP-Client-Identifier = 0x0100139600f98400
	DHCP-IP-Address-Lease-Time = 4294967040
	DHCP-IP-Address-Lease-Time = 4294967295
	DHCP-Parameter-Request-List = DHCP-Subnet-Mask
	DHCP-Parameter-Request-List = DHCP-Router-Address
	DHCP-Parameter-Request-List = DHCP-Domain-Name-Server
	DHCP-Parameter-Request-List = DHCP-Domain-Name
	DHCP-Parameter-Request-List = DHCP-Bootp-Extensions-Path
	DHCP-Parameter-Request-List = DHCP-TFTP-Server-Name
	DHCP-Parameter-Request-List = DHCP-SIP-Servers-DHCP-Option
	DHCP-Parameter-Request-List = DHCP-HTTP-Proxy
	DHCP-Parameter-Request-List = 213
	DHCP-Parameter-Request-List = 214
	DHCP-Parameter-Request-List = 215
server dhcp {
Trying sub-section dhcp DHCP-Discover {...}
+- entering group DHCP-Discover {...}
++[reply] returns noop
++[reply] returns noop
[mac2ip] Added DHCP-Your-IP-Address: '10.1.100.1' to reply_items
++[mac2ip] returns ok
++[ok] returns ok
} # server dhcp
	DHCP-Subnet-Mask = 255.255.0.0
	DHCP-Router-Address = 10.1.1.3
	DHCP-Domain-Name-Server = 8.8.8.8
	DHCP-IP-Address-Lease-Time = 7200
	DHCP-DHCP-Server-Identifier = 10.1.2.6
Sending DHCP-Offer of id 8e22cb4d from 255.255.255.255:67 to 255.255.255.255:68
Finished request 1.
Cleaning up request 1 ID -1910322355 with timestamp +78
Going to the next request
Ready to process requests.

Received DHCP-Discover of id 8e22cb4d from 0.0.0.0:68 to 255.255.255.255:67
	DHCP-Opcode = Client-Message
	DHCP-Hardware-Type = Ethernet
	DHCP-Hardware-Address-Length = 6
	DHCP-Hop-Count = 0
	DHCP-Transaction-Id = 2384644941
	DHCP-Number-of-Seconds = 0
	DHCP-Flags = Broadcast
	DHCP-Client-IP-Address = 0.0.0.0
	DHCP-Your-IP-Address = 0.0.0.0
	DHCP-Server-IP-Address = 0.0.0.0
	DHCP-Gateway-IP-Address = 0.0.0.0
	DHCP-Client-Hardware-Address = 00:13:96:00:f9:84
	DHCP-Message-Type = DHCP-Discover
	DHCP-Client-Identifier = 0x0100139600f98400
	DHCP-IP-Address-Lease-Time = 4294967040
	DHCP-IP-Address-Lease-Time = 4294967295
	DHCP-Parameter-Request-List = DHCP-Subnet-Mask
	DHCP-Parameter-Request-List = DHCP-Router-Address
	DHCP-Parameter-Request-List = DHCP-Domain-Name-Server
	DHCP-Parameter-Request-List = DHCP-Domain-Name
	DHCP-Parameter-Request-List = DHCP-Bootp-Extensions-Path
	DHCP-Parameter-Request-List = DHCP-TFTP-Server-Name
	DHCP-Parameter-Request-List = DHCP-SIP-Servers-DHCP-Option
	DHCP-Parameter-Request-List = DHCP-HTTP-Proxy
	DHCP-Parameter-Request-List = 213
	DHCP-Parameter-Request-List = 214
	DHCP-Parameter-Request-List = 215
server dhcp {
Trying sub-section dhcp DHCP-Discover {...}
+- entering group DHCP-Discover {...}
++[reply] returns noop
++[reply] returns noop
[mac2ip] Added DHCP-Your-IP-Address: '10.1.100.1' to reply_items
++[mac2ip] returns ok
++[ok] returns ok
} # server dhcp
	DHCP-Subnet-Mask = 255.255.0.0
	DHCP-Router-Address = 10.1.1.3
	DHCP-Domain-Name-Server = 8.8.8.8
	DHCP-IP-Address-Lease-Time = 7200
	DHCP-DHCP-Server-Identifier = 10.1.2.6
Sending DHCP-Offer of id 8e22cb4d from 255.255.255.255:67 to 255.255.255.255:68
Finished request 2.
Cleaning up request 2 ID -1910322355 with timestamp +138
Going to the next request
Ready to process requests.


dhcpdump confirm this:

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

  TIME: 2013-01-23 17:24:31.397
    IP: 0.0.0.0 (0:13:96:0:f9:84) > 255.255.255.255 (ff:ff:ff:ff:ff:ff)
    OP: 1 (BOOTPREQUEST)
 HTYPE: 1 (Ethernet)
  HLEN: 6
  HOPS: 0
   XID: 8e22cb4d
  SECS: 0
 FLAGS: 7f80
CIADDR: 0.0.0.0
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 0.0.0.0
CHADDR: 00:13:96:00:f9:84:00:00:00:00:00:00:00:00:00:00
 SNAME: .
 FNAME: .
OPTION:  53 (  1) DHCP message type         1 (DHCPDISCOVER)
OPTION:  61 (  8) Client-identifier         01:00:13:96:00:f9:84:00
OPTION:  51 (  4) IP address leasetime      -256 ()
OPTION:  51 (  4) IP address leasetime      -1 ()
OPTION:  55 ( 11) Parameter Request List      1 (Subnet mask)
					      3 (Routers)
					      6 (DNS server)
					     15 (Domainname)
					     18 (Extensions path)
					     66 (TFTP server name)
					    120 (SIP Servers DHCP Option)
					    135 (???)
					    213 (???)
					    214 (???)
					    215 (???)
					
---------------------------------------------------------------------------

  TIME: 2013-01-23 17:24:37.396
    IP: 0.0.0.0 (0:13:96:0:f9:84) > 255.255.255.255 (ff:ff:ff:ff:ff:ff)
    OP: 1 (BOOTPREQUEST)
 HTYPE: 1 (Ethernet)
  HLEN: 6
  HOPS: 0
   XID: 8e22cb4d
  SECS: 0
 FLAGS: 7f80
CIADDR: 0.0.0.0
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 0.0.0.0
CHADDR: 00:13:96:00:f9:84:00:00:00:00:00:00:00:00:00:00
 SNAME: .
 FNAME: .
OPTION:  53 (  1) DHCP message type         1 (DHCPDISCOVER)
OPTION:  61 (  8) Client-identifier         01:00:13:96:00:f9:84:00
OPTION:  51 (  4) IP address leasetime      -256 ()
OPTION:  51 (  4) IP address leasetime      -1 ()
OPTION:  55 ( 11) Parameter Request List      1 (Subnet mask)
					      3 (Routers)
					      6 (DNS server)
					     15 (Domainname)
					     18 (Extensions path)
					     66 (TFTP server name)
					    120 (SIP Servers DHCP Option)
					    135 (???)
					    213 (???)
					    214 (???)
					    215 (???)
					
---------------------------------------------------------------------------

Thanks in advance.


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