"authentication" sub in perl

Alex rsm alex-rsm at hotmail.com
Fri Sep 30 17:26:16 CEST 2011


Hi,

I am trying to call an external perl function within "authentication" sub"

- functions are uncommented in modules/perl file
   ...
   func_authenticate = authenticate
   func_authorize = authorize
   ...

- subs are modified in /raddb/example.pl
sub authenticate{

   print "TEST1\n";

}

sub authenticate {
   print "TEST2\n";
   /usr/local/etc/raddb/test.pl;
}

When freeradius receives a REQUEST, only "authenticate" sub is called and not "authenticate" sub.
How can I enable "authenticate" to be called when a REQUEST is arrived?


Here is the debug log:

ali at lab-openser01:~$ sudo radiusd -X
FreeRADIUS Version 2.1.11, for host x86_64-unknown-linux-gnu, built on Sep 29 2011 at 14:33:46
Copyright (C) 1999-2009 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 /usr/local/etc/raddb/radiusd.conf
including configuration file /usr/local/etc/raddb/proxy.conf
including configuration file /usr/local/etc/raddb/clients.conf
including files in directory /usr/local/etc/raddb/modules/
including configuration file /usr/local/etc/raddb/modules/sradutmp
including configuration file /usr/local/etc/raddb/modules/mac2vlan
including configuration file /usr/local/etc/raddb/modules/passwd
including configuration file /usr/local/etc/raddb/modules/counter
including configuration file /usr/local/etc/raddb/modules/smsotp
including configuration file /usr/local/etc/raddb/modules/policy
including configuration file /usr/local/etc/raddb/modules/detail
including configuration file /usr/local/etc/raddb/modules/expr
including configuration file /usr/local/etc/raddb/modules/echo
including configuration file /usr/local/etc/raddb/modules/perl
including configuration file /usr/local/etc/raddb/modules/mac2ip
including configuration file /usr/local/etc/raddb/modules/detail.example.com
including configuration file /usr/local/etc/raddb/modules/preprocess
including configuration file /usr/local/etc/raddb/modules/radutmp
including configuration file /usr/local/etc/raddb/modules/unix
including configuration file /usr/local/etc/raddb/modules/redis
including configuration file /usr/local/etc/raddb/modules/pam
including configuration file /usr/local/etc/raddb/modules/checkval
including configuration file /usr/local/etc/raddb/modules/detail.log
including configuration file /usr/local/etc/raddb/modules/smbpasswd
including configuration file /usr/local/etc/raddb/modules/cui
including configuration file /usr/local/etc/raddb/modules/rediswho
including configuration file /usr/local/etc/raddb/modules/ippool
including configuration file /usr/local/etc/raddb/modules/realm
including configuration file /usr/local/etc/raddb/modules/always
including configuration file /usr/local/etc/raddb/modules/inner-eap
including configuration file /usr/local/etc/raddb/modules/chap
including configuration file /usr/local/etc/raddb/modules/wimax
including configuration file /usr/local/etc/raddb/modules/expiration
including configuration file /usr/local/etc/raddb/modules/ldap
including configuration file /usr/local/etc/raddb/modules/attr_rewrite
including configuration file /usr/local/etc/raddb/modules/linelog
including configuration file /usr/local/etc/raddb/modules/logintime
including configuration file /usr/local/etc/raddb/modules/digest
including configuration file /usr/local/etc/raddb/modules/mschap
including configuration file /usr/local/etc/raddb/modules/files
including configuration file /usr/local/etc/raddb/modules/sqlcounter_expire_on_login
including configuration file /usr/local/etc/raddb/modules/attr_filter
including configuration file /usr/local/etc/raddb/modules/exec
including configuration file /usr/local/etc/raddb/modules/otp
including configuration file /usr/local/etc/raddb/modules/acct_unique
including configuration file /usr/local/etc/raddb/modules/replicate
including configuration file /usr/local/etc/raddb/modules/sql_log
including configuration file /usr/local/etc/raddb/modules/pap
including configuration file /usr/local/etc/raddb/modules/opendirectory
including configuration file /usr/local/etc/raddb/modules/ntlm_auth
including configuration file /usr/local/etc/raddb/modules/soh
including configuration file /usr/local/etc/raddb/modules/etc_group
including configuration file /usr/local/etc/raddb/modules/dynamic_clients
including configuration file /usr/local/etc/raddb/modules/krb5
including configuration file /usr/local/etc/raddb/eap.conf
including configuration file /usr/local/etc/raddb/policy.conf
including files in directory /usr/local/etc/raddb/sites-enabled/
including configuration file /usr/local/etc/raddb/sites-enabled/inner-tunnel
including configuration file /usr/local/etc/raddb/sites-enabled/default
including configuration file /usr/local/etc/raddb/sites-enabled/control-socket
including configuration file /usr/local/etc/raddb/sites-enabled/default.orig
main {
        allow_core_dumps = no
}
including dictionary file /usr/local/etc/raddb/dictionary
main {
        name = "radiusd"
        prefix = "/usr/local"
        localstatedir = "/usr/local/var"
        sbindir = "/usr/local/sbin"
        logdir = "/usr/local/var/log/radius"
        run_dir = "/usr/local/var/run/radiusd"
        libdir = "/usr/local/lib"
        radacctdir = "/usr/local/var/log/radius/radacct"
        hostname_lookups = no
        max_request_time = 30
        cleanup_delay = 5
        max_requests = 1024
        pidfile = "/usr/local/var/run/radiusd/radiusd.pid"
        checkrad = "/usr/local/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 ####
 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
        require_message_authenticator = yes
        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
  coa {
        irt = 2
        mrt = 16
        mrc = 5
        mrd = 30
  }
 }
 home_server_pool my_auth_failover {
        type = fail-over
        home_server = localhost
 }
 realm example.com {
        auth_pool = my_auth_failover
 }
 realm LOCAL {
 }
radiusd: #### Loading Clients ####
 client localhost {
        ipaddr = 127.0.0.1
        require_message_authenticator = no
        secret = "testing123"
        nastype = "other"
 }
 client 10.10.10.31 {
        require_message_authenticator = no
        secret = "testing123"
        shortname = "ba20-seansdesk"
 }
radiusd: #### Instantiating modules ####
 instantiate {
 Module: Linked to module rlm_exec
 Module: Instantiating module "exec" from file /usr/local/etc/raddb/modules/exec
  exec {
        wait = no
        input_pairs = "request"
        shell_escape = yes
  }
 Module: Linked to module rlm_expr
 Module: Instantiating module "expr" from file /usr/local/etc/raddb/modules/expr
 Module: Linked to module rlm_expiration
 Module: Instantiating module "expiration" from file /usr/local/etc/raddb/modules/expiration
  expiration {
        reply-message = "Password Has Expired  "
  }
 Module: Linked to module rlm_logintime
 Module: Instantiating module "logintime" from file /usr/local/etc/raddb/modules/logintime
  logintime {
        reply-message = "You are calling outside your allowed timespan  "
        minimum-timeout = 60
  }
 }
radiusd: #### Loading Virtual Servers ####
server { # from file /usr/local/etc/raddb/radiusd.conf
 modules {
 Module: Checking authenticate {...} for more modules to load
 Module: Linked to module rlm_pap
 Module: Instantiating module "pap" from file /usr/local/etc/raddb/modules/pap
  pap {
        encryption_scheme = "auto"
        auto_header = no
  }
 Module: Linked to module rlm_chap
 Module: Instantiating module "chap" from file /usr/local/etc/raddb/modules/chap
 Module: Linked to module rlm_mschap
 Module: Instantiating module "mschap" from file /usr/local/etc/raddb/modules/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 /usr/local/etc/raddb/modules/digest
 Module: Linked to module rlm_unix
 Module: Instantiating module "unix" from file /usr/local/etc/raddb/modules/unix
  unix {
        radwtmp = "/usr/local/var/log/radius/radwtmp"
  }
 Module: Linked to module rlm_eap
 Module: Instantiating module "eap" from file /usr/local/etc/raddb/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"
   }
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
        send_error = no
   }
 Module: Checking authorize {...} for more modules to load
 Module: Linked to module rlm_preprocess
 Module: Instantiating module "preprocess" from file /usr/local/etc/raddb/modules/preprocess
  preprocess {
        huntgroups = "/usr/local/etc/raddb/huntgroups"
        hints = "/usr/local/etc/raddb/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_realm
 Module: Instantiating module "suffix" from file /usr/local/etc/raddb/modules/realm
  realm suffix {
        format = "suffix"
        delimiter = "@"
        ignore_default = no
        ignore_null = no
  }
 Module: Linked to module rlm_files
 Module: Instantiating module "files" from file /usr/local/etc/raddb/modules/files
  files {
        usersfile = "/usr/local/etc/raddb/users"
        acctusersfile = "/usr/local/etc/raddb/acct_users"
        preproxy_usersfile = "/usr/local/etc/raddb/preproxy_users"
        compat = "no"
  }
 Module: Linked to module rlm_perl
 Module: Instantiating module "perl" from file /usr/local/etc/raddb/modules/perl
  perl {
        module = "/usr/local/etc/raddb/example.pl"
        func_authorize = "authorize"
        func_authenticate = "authenticate"
        func_accounting = "accounting"
        func_preacct = "preacct"
        func_checksimul = "checksimul"
        func_detach = "detach"
        func_xlat = "xlat"
        func_pre_proxy = "pre_proxy"
        func_post_proxy = "post_proxy"
        func_post_auth = "post_auth"
        func_recv_coa = "recv_coa"
        func_send_coa = "send_coa"
  }
 Module: Checking preacct {...} for more modules to load
 Module: Linked to module rlm_acct_unique
 Module: Instantiating module "acct_unique" from file /usr/local/etc/raddb/modules/acct_unique
  acct_unique {
        key = "User-Name, Acct-Session-Id, NAS-IP-Address, Client-IP-Address, NAS-Port"
  }
 Module: Checking accounting {...} for more modules to load
 Module: Linked to module rlm_detail
 Module: Instantiating module "detail" from file /usr/local/etc/raddb/modules/detail
  detail {
        detailfile = "/usr/local/var/log/radius/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_radutmp
 Module: Instantiating module "radutmp" from file /usr/local/etc/raddb/modules/radutmp
  radutmp {
        filename = "/usr/local/var/log/radius/radutmp"
        username = "%{User-Name}"
        case_sensitive = yes
        check_with_nas = yes
        perm = 384
        callerid = yes
  }
 Module: Linked to module rlm_attr_filter
 Module: Instantiating module "attr_filter.accounting_response" from file /usr/local/etc/raddb/modules/attr_filter
  attr_filter attr_filter.accounting_response {
        attrsfile = "/usr/local/etc/raddb/attrs.accounting_response"
        key = "%{User-Name}"
  }
 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
 Module: Instantiating module "attr_filter.access_reject" from file /usr/local/etc/raddb/modules/attr_filter
  attr_filter attr_filter.access_reject {
        attrsfile = "/usr/local/etc/raddb/attrs.access_reject"
        key = "%{User-Name}"
  }
 } # modules
} # server
server inner-tunnel { # from file /usr/local/etc/raddb/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 = "control"
 listen {
        socket = "/usr/local/var/run/radiusd/radiusd.sock"
 }
}
listen {
        type = "auth"
        ipaddr = 127.0.0.1
        port = 18120
}
 ... adding new socket proxy address * port 41951
Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on command file /usr/local/var/run/radiusd/radiusd.sock
Listening on authentication address 127.0.0.1 port 18120 as server inner-tunnel
Listening on proxy address * port 1814
Ready to process requests.
rad_recv: Access-Request packet from host 10.10.10.31 port 50032, id=27, length=169
        User-Name = "ali"
        NAS-IP-Address = 10.10.10.31
        NAS-Identifier = "belair"
        NAS-Port = 0
        Called-Station-Id = "00-0D-67-12-15-80:SSO_BelAir-PMIP-8021x"
        Calling-Station-Id = "5C-59-48-F0-34-8B"
        Framed-MTU = 1400
        NAS-Port-Type = Wireless-802.11
        Connect-Info = "CONNECT 11Mbps 802.11b"
        EAP-Message = 0x0200000801616c69
        Message-Authenticator = 0x95bea57fa05d627496b0475c57d1b6a8
# Executing section authorize from file /usr/local/etc/raddb/sites-enabled/default
+- entering group authorize {...}
++[preprocess] returns ok
++[chap] returns noop
++[mschap] returns noop
++[digest] returns noop
[suffix] No '@' in User-Name = "ali", looking up realm NULL
[suffix] No such realm "NULL"
++[suffix] returns noop
[eap] EAP packet type response id 0 length 8
[eap] No EAP Start, assuming it's an on-going EAP conversation
++[eap] returns updated
[files] users: Matched entry ali at line 207
++[files] returns ok
TEST1
rlm_perl: Added pair NAS-Port-Type = Wireless-802.11
rlm_perl: Added pair Calling-Station-Id = 5C-59-48-F0-34-8B
rlm_perl: Added pair Called-Station-Id = 00-0D-67-12-15-80:SSO_BelAir-PMIP-8021x
rlm_perl: Added pair Message-Authenticator = 0x95bea57fa05d627496b0475c57d1b6a8
rlm_perl: Added pair User-Name = ali
rlm_perl: Added pair NAS-Identifier = belair
rlm_perl: Added pair EAP-Message = 0x0200000801616c69
rlm_perl: Added pair Connect-Info = CONNECT 11Mbps 802.11b
rlm_perl: Added pair EAP-Type = Identity
rlm_perl: Added pair NAS-IP-Address = 10.10.10.31
rlm_perl: Added pair NAS-Port = 0
rlm_perl: Added pair Framed-MTU = 1400
rlm_perl: Added pair Cleartext-Password = abc123
rlm_perl: Added pair Auth-Type = EAP
++[perl] returns ok
++[expiration] returns noop
++[logintime] returns noop
[pap] WARNING: Auth-Type already set.  Not setting to PAP
++[pap] returns noop
Found Auth-Type = EAP
# Executing group from file /usr/local/etc/raddb/sites-enabled/default
+- entering group authenticate {...}
[eap] EAP Identity
[eap] processing type md5
rlm_eap_md5: Issuing Challenge
++[eap] returns handled
Sending Access-Challenge of id 27 to 10.10.10.31 port 50032
        EAP-Message = 0x0101001604107e5377146691b447d19cd03c54d1c0fc
        Message-Authenticator = 0x00000000000000000000000000000000
        State = 0xbb8cb579bb8db14c50324b609a9d0c10
Finished request 0.
Going to the next request
Waking up in 4.9 seconds.
rad_recv: Access-Request packet from host 10.10.10.31 port 50032, id=28, length=185
        User-Name = "ali"
        NAS-IP-Address = 10.10.10.31
        NAS-Identifier = "belair"
        NAS-Port = 0
        Called-Station-Id = "00-0D-67-12-15-80:SSO_BelAir-PMIP-8021x"
        Calling-Station-Id = "5C-59-48-F0-34-8B"
        Framed-MTU = 1400
        NAS-Port-Type = Wireless-802.11
        Connect-Info = "CONNECT 11Mbps 802.11b"
        EAP-Message = 0x020100060319
        State = 0xbb8cb579bb8db14c50324b609a9d0c10
        Message-Authenticator = 0x7aa56761fec9870d04367ba196e039b4
# Executing section authorize from file /usr/local/etc/raddb/sites-enabled/default
+- entering group authorize {...}
++[preprocess] returns ok
++[chap] returns noop
++[mschap] returns noop
++[digest] returns noop
[suffix] No '@' in User-Name = "ali", looking up realm NULL
[suffix] No such realm "NULL"
++[suffix] returns noop
[eap] EAP packet type response id 1 length 6
[eap] No EAP Start, assuming it's an on-going EAP conversation
++[eap] returns updated
[files] users: Matched entry ali at line 207
++[files] returns ok
TEST1
rlm_perl: Added pair NAS-Port-Type = Wireless-802.11
rlm_perl: Added pair State = 0xbb8cb579bb8db14c50324b609a9d0c10
rlm_perl: Added pair Calling-Station-Id = 5C-59-48-F0-34-8B
rlm_perl: Added pair Called-Station-Id = 00-0D-67-12-15-80:SSO_BelAir-PMIP-8021x
rlm_perl: Added pair Message-Authenticator = 0x7aa56761fec9870d04367ba196e039b4
rlm_perl: Added pair User-Name = ali
rlm_perl: Added pair NAS-Identifier = belair
rlm_perl: Added pair EAP-Message = 0x020100060319
rlm_perl: Added pair Connect-Info = CONNECT 11Mbps 802.11b
rlm_perl: Added pair EAP-Type = NAK
rlm_perl: Added pair NAS-IP-Address = 10.10.10.31
rlm_perl: Added pair NAS-Port = 0
rlm_perl: Added pair Framed-MTU = 1400
rlm_perl: Added pair Cleartext-Password = abc123
rlm_perl: Added pair Auth-Type = EAP
++[perl] returns ok
++[expiration] returns noop
++[logintime] returns noop
[pap] WARNING: Auth-Type already set.  Not setting to PAP
++[pap] returns noop
Found Auth-Type = EAP
# Executing group from file /usr/local/etc/raddb/sites-enabled/default
+- entering group authenticate {...}
[eap] Request found, released from the list
[eap] EAP NAK
[eap] NAK asked for unsupported type PEAP
[eap] No common EAP types found.
[eap] Failed in EAP select
++[eap] returns invalid
Failed to authenticate the user.
Using Post-Auth-Type Reject
# Executing group from file /usr/local/etc/raddb/sites-enabled/default
+- entering group REJECT {...}
[attr_filter.access_reject]     expand: %{User-Name} -> ali
 attr_filter: Matched entry DEFAULT at line 11
++[attr_filter.access_reject] returns updated
Delaying reject of request 1 for 1 seconds
Going to the next request
Waking up in 0.9 seconds.
Sending delayed reject for request 1
Sending Access-Reject of id 28 to 10.10.10.31 port 50032
        EAP-Message = 0x04010004
        Message-Authenticator = 0x00000000000000000000000000000000
Waking up in 3.9 seconds.
Cleaning up request 0 ID 27 with timestamp +29
Waking up in 1.0 seconds.
Cleaning up request 1 ID 28 with timestamp +29
Ready to process requests.


Thanks,
ASM
 		 	   		  
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