(RADIATOR) Help setting up PEAP (with MSCHAP)
Mike McCauley
mikem at open.com.au
Thu Jun 23 18:27:55 CDT 2005
Hello António,
On Thursday 23 June 2005 22:15, António Fernandes wrote:
> Hi Mike,
>
> IT WORKED :)
>
>
> Now something happens in log_LocalUsers:
>
> Thu Jun 23 13:09:07 2005:Access-Request from anonymous at 192.168.1.231:OK
>
> It should appear something like a0203003 at egp.up.pt (or, at least,
> a0203003). I've tried with TTLS and it works fine..
This is happening because the inner EAP_MSCHAPV2 authenticaiton is getting
'anonymous' as the user name.
You can fix this by setting
EAPAnonymous %0
in the outer handler.
Cheers.
>
>
> Thank you,
>
> Antonio Fernandes
> Oporto Management School
> Oporto University
>
>
>
> -----Original Message-----
> From: Mike McCauley [mailto:mikem at open.com.au]
> Sent: quinta-feira, 23 de Junho de 2005 11:00
> To: António Fernandes
> Cc: radiator at open.com.au
> Subject: Re: (RADIATOR) Help setting up PEAP (with MSCHAP)
>
> Hello Antonio,
>
> I think I may have told you the wrong thing at some stage. If so Im sorry.
>
> I have just tested this here as the inner handler:
>
> <Handler TunnelledByPEAP=1>
> <AuthBy SQL>
> # Adjust DBSource, DBUsername, DBAuth to suit your DB
>
> DBSource dbi:mysql:radius
> DBUsername mikem
> DBAuth fred
>
> EAPType MSCHAP-V2
>
> AuthSelect SELECT CONCAT('{nthash}',PASSWORD) AS PASSWORD FROM
> SUBSCRIBERS
> where USERNAME=%0
> AuthColumnDef 0, User-Password, check
> </AuthBy>
> </Handler>
>
> where the users record is
>
> +----------+----------------------------------+-------------------+--------
>-
> -------------------+-------------------------------------------------------
>- ----------------------------------+----------+
>
> | USERNAME | PASSWORD | ENCRYPTEDPASSWORD |
>
> CHECKATTR
>
> | REPLYATTR
> |
> | TIMELEFT |
>
> +----------+----------------------------------+-------------------+--------
>-
> -------------------+-------------------------------------------------------
>- ----------------------------------+----------+
>
> | mikem | DCB8E94AC7D0AADC8A81D9C895ACE5F4 | 1xMKc0GIVUNbE |
>
> Service-Type = Framed-User | Framed-Protocol = PPP,Framed-IP-Netmask =
> 255.255.255.0,cisco-avpair = "testing testing" | 100 |
>
> (DCB8E94AC7D0AADC8A81D9C895ACE5F4 is the nthash of 'fred')
> and this works fine for me.
>
> You should use:
> AuthSelect SELECT CONCAT('{nthash}',NTLM) AS NTLM,\
> CONCAT(User,'@',Domain) AS Username, VLAN FROM users where\
> CONCAT(User,'@',Domain)='%n' AND AccWiFi='1'
> AuthColumnDef 0, User-Password, check
>
> in your inner handler.
>
> BTW, I suspect that your select query wil be very slow as it has to do an
> exact match on a synthesized column.
>
>
> Cheers.
>
> On Thursday 23 June 2005 18:49, António Fernandes wrote:
> > Hi Mike,
> >
> > I'm sending as attachment.
> >
> >
> > Yours,
> >
> > Antonio Fernandes
> > Oporto Management School
> > Oporto University
> >
> >
> >
> > -----Original Message-----
> > From: Mike McCauley [mailto:mikem at open.com.au]
> > Sent: quarta-feira, 22 de Junho de 2005 23:13
> > To: António Fernandes
> > Cc: radiator at open.com.au
> > Subject: Re: (RADIATOR) Help setting up PEAP (with MSCHAP)
> >
> > Hello António,
> >
> > On Wednesday 22 June 2005 23:52, António Fernandes wrote:
> > > I'm very sorry for not seeing the difference :)
> > >
> > > I've changed like you said (AuthColumnDef 0, User-Password, check) and
> >
> > also
> >
> > > changed the <Handler Realm = /egp\.up\.pt.*/i>
> > > replacing
> > > EAPType TTLS, PEAP, TLS
> > > with
> > > EAPType PEAP, TTLS, TLS
> > > speeding Requests/Replies.
> > >
> > >
> > > It still performs as previously:
> > > Wed Jun 22 12:27:38 2005: DEBUG: Radius::AuthSQL ACCEPT:
> > > Wed Jun 22 12:27:38 2005: DEBUG: EAP result: 1, EAP MSCHAP-V2
> > > Authentication failure
> >
> > I think its now time for you to send us a complete level 4 log file and
> > complete current configuration file.
> >
> > Cheers.
> >
> > > Yours,
> > >
> > > Antonio Fernandes
> > > Oporto Management School
> > > Oporto University
> > >
> > >
> > >
> > > -----Original Message-----
> > > From: Mike McCauley [mailto:mikem at open.com.au]
> > > Sent: quarta-feira, 22 de Junho de 2005 11:44
> > > To: António Fernandes
> > > Cc: 'Hugh Irvine'; radiator at open.com.au
> > > Subject: Re: (RADIATOR) Help setting up PEAP (with MSCHAP)
> > >
> > > Hello Antonio,
> > >
> > > On Wednesday 22 June 2005 19:46, António Fernandes wrote:
> > > > Hi Mike,
> > > >
> > > > I already did. My first iteration was what you suggested:
> > > > (near the end of the e-mail appears)
> > > >
> > > > > > AuthSelect SELECT NTLM, CONCAT(User,'@',Domain) AS
> > > > > > Username, VLAN
> > > > > > FROM users WHERE CONCAT(User,'@',Domain) = '%n' AND AccWiFi='1'
> > > > > > AuthColumnDef 0, Encrypted-Password, check
> > >
> > > For that you would need:
> > > AuthColumnDef 0, User-Password, check
> > >
> > > not Encrypted-Password.
> > > It should work fine.
> > >
> > > > but it still doesn't work.
> > > > I suspected (still do) that it has something to do with Challenge
> > > > process:
> > > >
> > > > 1 - Access-Request
> > > > 2 - Access-Challenge (it's "EAP TTLS Challenge")
> > > > 3 - Access-Request (switching to "EAP PEAP")
> > > > 4 - Access-Challenge (this time it's PEAP)
> > > > 5 - Access-Request
> > > > 6 - ......
> > >
> > > Hmm, have you sent us a complete log of that?
> > >
> > > > The strange part is that in the debug appears:
> > > > Radius::AuthSQL ACCEPT
> > > > but in the next line
> > > > EAP result: 1, EAP MSCHAP-V2 Authentication failure
> > > >
> > > > Thank you again Mike,
> > > >
> > > > Antonio Fernandes
> > > > Oporto Management School
> > > > Oporto University
> > > >
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Mike McCauley [mailto:mikem at open.com.au]
> > > > Sent: terça-feira, 21 de Junho de 2005 23:55
> > > > To: António Fernandes
> > > > Cc: 'Hugh Irvine'; radiator at open.com.au
> > > > Subject: Re: (RADIATOR) Help setting up PEAP (with MSCHAP)
> > > >
> > > > Hello Antonio,
> > > >
> > > > I think the problem is that you have specified that the SQL nthash is
> > > > to
> > >
> > > be
> > >
> > > > used as Encrypted-Password, but you have prefixed it with {nthash} as
> > > > if
> > >
> > > it
> > >
> > > > were to be used as User-Password. If the passwords have {nthash} in
> > > > front, you should use User-Password like this:
> > > >
> > > > AuthColumnDef 0, User-Password, check
> > > >
> > > > Encryted-Pasword should only be used if there is no other indication
> >
> > that
> >
> > > > the
> > > > password is encrypted.
> > > >
> > > > Actually I would think it would be better if you had:
> > > >
> > > > AuthSelect SELECT NTLM,\
> > > > CONCAT(User,'@',Domain) AS Username, VLAN FROM users where\
> > > > CONCAT(User,'@',Domain)='%n' AND AccWiFi='1'
> > > > AuthColumnDef 0, Encrypted-Password, check
> > > >
> > > > and use the NTLM hash directly?
> > > > Your choice.
> > > >
> > > > Cheers.
> > > >
> > > > On Tuesday 21 June 2005 18:36, António Fernandes wrote:
> > > > > Hi Hugh,
> > > > >
> > > > > Thanks... I've done the changes but I can't seem to get it to work.
> > > > > Can you help me?
> > > > >
> > > > > Yours,
> > > > >
> > > > > Antonio Fernandes
> > > > > Oporto Management School
> > > > > Oporto University
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > <AuthBy SQL>
> > > > > #identificador
> > > > > Identifier authby_MYSQL_PEAP_eu
> > > > > # No default
> > > > > NoDefault
> > > > > NoDefaultIfFound
> > > > > #EAP
> > > > > EAPType MSCHAP-V2
> > > > > EAPTLS_PEAPVersion 0
> > > > > # Definicao da BD
> > > > > DBSource dbi:mysql:EGP_Sistema:mysql.egp.up.pt
> > > > > DBUsername XXXXXXXX
> > > > > DBAuth XXXXXXXXX
> > > > > #SQL de acesso
> > > > > AuthSelect SELECT CONCAT('{nthash}',NTLM) AS NTLM,
> > > > > CONCAT(User,'@',Domain) AS Username, VLAN FROM users where
> > > > > CONCAT(User,'@',Domain)='%n' AND AccWiFi='1'
> > > > > AuthColumnDef 0, Encrypted-Password, check
> > > > > AuthColumnDef 1, User-Name, reply
> > > > > AuthColumnDef 2, Tunnel-Private-Group-ID, reply
> > > > > # Se nao tiver VLAN retorna para default
> > > > > AllowInReply Tunnel-Private-Group-ID
> > > > > AddToReplyIfNotExist Tunnel-Private-Group-ID = "1:5"
> > > > > AddToReply Tunnel-Type = "1:VLAN",
> > > > > Tunnel-Medium-Type = "1:Ether_802"
> > > > > # Only one session per user at a time
> > > > > DefaultSimultaneousUse 1
> > > > > </AuthBy>
> > > > > <Handler TunnelledByPEAP=1>
> > > > > RewriteUsername s/^([^@]+).*/$1/
> > > > > UsernameCharset a-zA-Z0-9\._\@-
> > > > > SessionDatabase NULL
> > > > > AuthByPolicy ContinueUntilAccept
> > > > > AuthBy authby_MYSQL_PEAP_eu
> > > > > # <AuthBy FILE>
> > > > > # RewriteUsername s/^([^@]+).*/$1/
> > > > > # Filename /etc/radiator/users_OK
> > > > > # EAPType MSCHAP-V2
> > > > > # AddToReply User-Name=%u
> > > > > # </AuthBy>
> > > > > AuthLog log_LocalUsers
> > > > > </Handler>
> > > > > <Handler Realm = /egp\.up\.pt.*/i>
> > > > > # Stripoff de realm
> > > > > RewriteUsername s/^([^@]+).*/$1/
> > > > > SessionDatabase NULL
> > > > > MaxSessions 1
> > > > > AuthByPolicy ContinueUntilAccept
> > > > > <AuthBy FILE>
> > > > > EAPType TTLS, PEAP, TLS
> > > > > EAPTLS_CAFile /etc/radiator/certEGP/EGP-ROOT-CA.crt
> > > > > EAPTLS_CertificateFile
> > >
> > > /etc/radiator/certEGP/radiator.pem
> > >
> > > > > EAPTLS_CertificateType PEM
> > > > > EAPTLS_PrivateKeyFile
> > > > > /etc/radiator/certEGP/radiator.pem EAPTLS_PrivateKeyPassword
> >
> > XXXXXXXXXX
> >
> > > > > EAPTLS_MaxFragmentSize 1000
> > > > > AutoMPPEKeys
> > > > > SSLeayTrace 4
> > > > > </AuthBy>
> > > > > <Log SYSLOG>
> > > > > Facility radius
> > > > > </Log>
> > > > > </Handler>
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > -----Original Message-----
> > > > > From: Hugh Irvine [mailto:hugh at open.com.au]
> > > > > Sent: sábado, 18 de Junho de 2005 15:06
> > > > > To: António Fernandes
> > > > > Cc: radiator at open.com.au
> > > > > Subject: Re: (RADIATOR) Help setting up PEAP (with MSCHAP)
> > > > >
> > > > >
> > > > > Hello Antonio -
> > > > >
> > > > > Radiator supports NT hash passwords with a prefix of "{nthash}".
> > > > >
> > > > > See section 13.1.1 in the Radiator 3.13 reference manual ("doc/
> > > > > ref.html").
> > > > >
> > > > > regards
> > > > >
> > > > > Hugh
> > > > >
> > > > > On 18 Jun 2005, at 19:46, António Fernandes wrote:
> > > > > > I'm currently using Radiator for wireless authentication
>
> (EAP-TTLS)
>
> > > > > > using
> > > > > > SecureW2 in WinXP SP2. Since the beginning I would also like to
>
> add
>
> > > > > > PEAP
> > > > > > using MSCHAP. The problem with MSCHAP comes with the need of
> > > > > > clear text
> > > > > > passwords. Recently I've came across with a FreeRadius
> > > > > > implementation that
> > > > > > allows to do MSCHAP authentication using NTLM style passwords
> > > > > > (NT/LM hashes). I understand that NTLM are reversible and if so,
>
> it
>
> > > > > > should work
> > > > > > also with Radiator?
> > > > > >
> > > > > > Is this possible with Radiator? I tried to get passwords from the
> > > > > > MySQL with
> > > > > > no success. When the password is in plain text it works fine but
> > > > > > when I
> > > > > > change it to NTLM it rejects...
> > > > > >
> > > > > > Any ideas?
> > > > > >
> > > > > >
> > > > > > Yours,
> > > > > >
> > > > > > Antonio Fernandes
> > > > > > Oporto Management School
> > > > > > Oporto University
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Config:
> > > > > > <AuthBy SQL>
> > > > > > #identifier
> > > > > > Identifier authby_MYSQL_PEAP_eu
> > > > > > # No default
> > > > > > NoDefault
> > > > > > NoDefaultIfFound
> > > > > > #EAP
> > > > > > EAPType MSCHAP-V2
> > > > > > # DB
> > > > > > DBSource dbi:mysql:XXXXX:XXXXXX
> > > > > > DBUsername XXXXXX
> > > > > > DBAuth XXXXXXX
> > > > > > # SQL
> > > > > > AuthSelect SELECT NTLM, CONCAT(User,'@',Domain) AS
> > > > > > Username, VLAN
> > > > > > FROM users WHERE CONCAT(User,'@',Domain) = '%n' AND AccWiFi='1'
> > > > > > AuthColumnDef 0, Encrypted-Password, check
> > > > > > AuthColumnDef 1, User-Name, reply
> > > > > > AuthColumnDef 2, Tunnel-Private-Group-ID, reply
> > > > > > AddToReply Tunnel-Type = "1:VLAN", Tunnel-Medium-Type =
> > > > > > "1:Ether_802"
> > > > > > # Only one session per user at a time
> > > > > > DefaultSimultaneousUse 1
> > > > > > </AuthBy>
> > > > > > <Handler TunnelledByPEAP=1, Client-Identifier=LocaL>
> > > > > > UsernameCharset a-zA-Z0-9\._\@-
> > > > > > SessionDatabase NULL
> > > > > > AuthBy authby_MYSQL_PEAP_eu
> > > > > > </Handler>
> > > > > > <Handler Realm = /egp\.up\.pt.*/i>
> > > > > > # Stripoff de realm
> > > > > > RewriteUsername s/^([^@]+).*/$1/
> > > > > >
> > > > > > SessionDatabase NULL
> > > > > >
> > > > > > MaxSessions 1
> > > > > > <AuthBy FILE>
> > > > > > EAPType TTLS, PEAP, TLS
> > > > > > EAPTLS_CAFile
>
> /etc/radiator/certEGP/EGP-ROOT-CA.crt
>
> > > > > > EAPTLS_CertificateFile /etc/radiator/certEGP/
> > > > > > radiator.pem
> > > > > > EAPTLS_CertificateType PEM
> > > > > > EAPTLS_PrivateKeyFile /etc/radiator/certEGP/
> > > > > > radiator.pem
> > > > > > EAPTLS_PrivateKeyPassword XXXXXXXXXXXX
> > > > > > EAPTLS_MaxFragmentSize 1000
> > > > > > AutoMPPEKeys
> > > > > > SSLeayTrace 4
> > > > > > </AuthBy>
> > > > > > <Log SYSLOG>
> > > > > > Facility radius
> > > > > > </Log>
> > > > > > </Handler>
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Snipet.... (http://forum.chupa.nl/showthread.php?t=1141&page=3)
> > > > > >
> > > > > > passwd etc_smbpasswd_with_domain {
> > > > > > filename = /opt/etc/smbpasswd
> > > > > > format = "*Stripped-User-Name:NT-Password"
> > > > > > authtype = MS-CHAP
> > > > > > hashsize = 100
> > > > > > ignorenislike = no
> > > > > > allowmultiplekeys = no
> > > > > > }
> > > > > >
> > > > > > My "smbpasswd" (far from it now) looks like this:
> > > > > > # Sample smbpasswd file.
> > > > > > # To use this, set 'encrypt passwords = yes' in the
> > > > > > [global]-section # of /etc/smb.conf
> > > > > > Tommy:NTLMPASS
> > > > > > Connie:NTLMPASS
> > > > > > PocketPC:NTLMPASS
> > > > >
> > > > > NB: I am travelling this week, so there may be delays in our
> > > > > correspondence.
--
Mike McCauley mikem at open.com.au
Open System Consultants Pty. Ltd Unix, Perl, Motif, C++, WWW
9 Bulbul Place Currumbin Waters QLD 4223 Australia http://www.open.com.au
Phone +61 7 5598-7474 Fax +61 7 5598-7070
Radiator: the most portable, flexible and configurable RADIUS server
anywhere. SQL, proxy, DBM, files, LDAP, NIS+, password, NT, Emerald,
Platypus, Freeside, TACACS+, PAM, external, Active Directory, EAP, TLS,
TTLS, PEAP etc on Unix, Windows, MacOS etc.
--
Archive at http://www.open.com.au/archives/radiator/
Announcements on radiator-announce at open.com.au
To unsubscribe, email 'majordomo at open.com.au' with
'unsubscribe radiator' in the body of the message.
More information about the radiator
mailing list