[Serusers] Authorization Problems with Radius.
Jan Janak
jan at iptel.org
Tue Aug 31 17:30:04 CEST 2004
That's how digest over RADIUS works, digest attributes are mapped as
sub-attributes of Digest-Attributes, see
http://www.softarmor.com/wgdb/docs/draft-sterman-aaa-sip-00.txt
for more information.
Jan.
On 31-08 10:49, Ricardo Martinez wrote:
> Hi Jan.
> Thanks for your reply. I think i found the problem, and it was related with
> the parameters in the radiusclient.conf, so thanks for all the help.
> Now i have another question.
> I'm usigin RADIATOR to collect the RADIUS messages sent by SER. All the
> messages that i obtain are like this:
>
> Code: Access-Request
> Identifier: 109
> Authentic: <151>h<240><131>DJf<235>e<9><178><16>.'<139><254>
> Attributes:
> User-Name = "ricardo at XX.XX.XX.246"
> Digest-Attributes = <10><9>ricardo
> Digest-Attributes = <1><15>XX.XX.XX.246
> Digest-Attributes = <2>*4135ec97cd9b352532c886e50d3812f9e139797a
> Digest-Attributes = <4><19>sip:XX.XX.XX.246
> Digest-Attributes = <3><10>REGISTER
> Digest-Attributes = <5><6>auth
> Digest-Attributes = <9><10>00000001
> Digest-Attributes = <8><10>d40e8d74
> Digest-Response = "853abb10c811a6e059394aaa1d7e63d1"
> Service-Type = Sip-Session
> Sip-Uri-User = "5552203289"
> NAS-IP-Address = 127.0.0.1
> NAS-Port = 5060
>
> As you can see i have only Digest-Attribute attr, is this a normal RADIUS
> packet from SER. Or maybe i have a dictionary mismatch or somethign else? I
> was expecting something like this :
>
> User-Name = "ricardo at XX.XX.XX.246"
> Digest-User-Name = <10><9>ricardo
> Digest-Realm = <1><15>XX.XX.XX.246
> Digest-Nonce = <2>*4135ec97cd9b352532c886e50d3812f9e139797a
> Digest-Uri = <4><19>sip:XX.XX.XX.246
> Digest-Method = <3><10>REGISTER
> Digest-Response = "853abb10c811a6e059394aaa1d7e63d1"
> Service-Type = Sip-Session
> Sip-Uri-User = "5552203289"
> NAS-IP-Address = 127.0.0.1
> NAS-Port = 5060
>
> With the Digest attributes more defined.
> Do i have to set up something else?
> I really hope that someone can help me.
>
> Thanks in advance.
>
> Ricardo
>
> > -----Mensaje original-----
> > De: Jan Janak [SMTP:jan at iptel.org]
> > Enviado el: Martes, 31 de Agosto de 2004 08:48 a.m.
> > Para: Ricardo Martinez
> > CC: 'serusers at lists.iptel.org'
> > Asunto: Re: [Serusers] Authorization Problems with Radius.
> >
> > The log error below does not say why authentication failed. I would
> > recommend you to use some sniffer to see if the radiusclient library
> > sends any packets to the server.
> >
> > Here is the list of common problems:
> >
> > 1) the hostname of the radius server is not configured
> > properly in radiusclient.conf (authserver)
> > 2) The shared secret is not configured properly, the shared secret
> > dictionary is by default in /usr/local/etc/radiusclient/servers
> > 3) The shared secret is not configured properly in the server
> > 4) radius server is missing SIP related attributes.
> >
> > Jan.
> >
> > On 30-08 13:30, Ricardo Martinez wrote:
> > > Hi.
> > > I'm new in SER, but i have followed all the instructions to install the
> > > RADIUS interaction. Now i have obtaining the nex error in the console
> > debug
> > > when a REGISTER message arrives to the SER.
> > >
> > > 7(21063) check_nonce(): comparing
> > > [4134bbc79ed1bc9d3f911cb33ff4c399d7cdea8c] and
> > > [4134bbc79ed1bc9d3f911cb33ff4c399d7cdea8c]
> > > 7(21063) radius_authorize_sterman(): Failure
> > > 7(21063) build_auth_hf(): 'WWW-Authenticate: Digest
> > realm="XX.XX.XX.XX",
> > > nonce="4134bbc79ed1bc9d3f911cb33ff4c399d7cdea8c"
> > > '
> > > 7(21063) parse_headers: flags=-1
> > > 7(21063) check_via_address(64.76.148.186, 64.76.148.186, 0)
> > > 7(21063) receive_msg: cleaning up
> > >
> > > Here is my ser.cfg
> > >
> > > #
> > > # $Id: ser.cfg,v 1.21.2.2 2003/10/13 22:53:06 jiri Exp $
> > > #
> > > # simple quick-start config script
> > > #
> > >
> > > # ----------- global configuration parameters ------------------------
> > >
> > > debug=7 # debug level (cmd line: -dddddddddd)
> > > fork=yes
> > > log_stderror=yes # (cmd line: -E)
> > >
> > > #Uncomment these lines to enter debugging mode
> > > #fork=no
> > > #log_stderror=yes
> > >
> > >
> > > check_via=no # (cmd. line: -v)
> > > dns=no # (cmd. line: -r)
> > > rev_dns=no # (cmd. line: -R)
> > > port=5060
> > > children=4
> > > fifo="/tmp/ser_fifo"
> > >
> > > # ------------------ module loading ----------------------------------
> > >
> > > # Uncomment this if you want to use SQL database
> > > #loadmodule "/usr/local//lib/ser/modules/mysql.so"
> > >
> > > loadmodule "/usr/local//lib/ser/modules/sl.so"
> > > loadmodule "/usr/local//lib/ser/modules/tm.so"
> > > loadmodule "/usr/local//lib/ser/modules/rr.so"
> > > loadmodule "/usr/local//lib/ser/modules/maxfwd.so"
> > > loadmodule "/usr/local//lib/ser/modules/usrloc.so"
> > > loadmodule "/usr/local//lib/ser/modules/registrar.so"
> > > loadmodule "/usr/local//lib/ser/modules/textops.so"
> > >
> > > # Uncomment this if you want digest authentication
> > > # mysql.so must be loaded !
> > > loadmodule "/usr/local/lib/ser/modules/auth.so"
> > > #loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> > >
> > > loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
> > > loadmodule "/usr/local/lib/ser/modules/group_radius.so"
> > > loadmodule "/usr/local/lib/ser/modules/acc.so"
> > >
> > > # ----------------- setting module-specific parameters ---------------
> > >
> > > # ----------------- setting module-specific parameters ---------------
> > > # -- rr params --
> > > # add value to ;lr param to make some broken UAs happy
> > > modparam("rr", "enable_full_lr", 1)
> > >
> > > modparam("acc","log_level",1)
> > >
> > >
> > modparam("auth_radius","radius_config","/usr/local/etc/radiusclient/radius
> > cl
> > > ient.conf")
> > > modparam("auth_radius","service_type",15)
> > >
> > modparam("acc","radius_config","/usr/local/etc/radiusclient/radiusclient.c
> > on
> > > f")
> > > modparam("acc", "service_type", 15)
> > > modparam("acc", "radius_flag", 1)
> > > modparam("acc", "radius_missed_flag", 3)
> > > modparam("acc", "failed_transactions", 1)
> > > modparam("acc", "report_ack", 0)
> > >
> > > #group radius
> > >
> > modparam("group_radius","radius_config","/usr/local/etc/radiusclient/radiu
> > sc
> > > lient.conf")
> > > modparam("group_radius", "use_domain", 1)
> > >
> > >
> > >
> > > # ------------------------- request routing logic -------------------
> > >
> > > # main routing logic
> > >
> > > route{
> > >
> > > # initial sanity checks -- messages with
> > > # max_forwards==0, or excessively long requests
> > > if (!mf_process_maxfwd_header("10")) {
> > > sl_send_reply("483","Too Many Hops");
> > > break;
> > > };
> > > if (len_gt( max_len )) {
> > > sl_send_reply("513", "Message too big");
> > > break;
> > > };
> > >
> > > # we record-route all messages -- to make sure that
> > > # subsequent messages will go through our proxy; that's
> > > # particularly good if upstream and downstream entities
> > > # use different transport protocol
> > > if (!method=="REGISTER") record_route();
> > >
> > > # subsequent messages withing a dialog should take the
> > > # path determined by record-routing
> > > if (loose_route()) {
> > > # mark routing logic in request
> > > append_hf("P-hint: rr-enforced\r\n");
> > > route(1);
> > > break;
> > > };
> > >
> > > if (!uri==myself) {
> > > # mark routing logic in request
> > > append_hf("P-hint: outbound\r\n");
> > > route(1);
> > > break;
> > > };
> > >
> > > # if the request is for other domain use UsrLoc
> > > # (in case, it does not work, use the following command
> > > # with proper names and addresses in it)
> > > if (uri==myself) {
> > >
> > > if (method=="REGISTER") {
> > >
> > > # Uncomment this if you want to use digest authentication
> > > if (! radius_www_authorize("")) {
> > > www_challenge("", "0");
> > > break;
> > > };
> > >
> > > save("location");
> > > break;
> > > };
> > >
> > > lookup("aliases");
> > > if (!uri==myself) {
> > > append_hf("P-hint: outbound alias\r\n");
> > > route(1);
> > > break;
> > > };
> > >
> > > # native SIP destinations are handled using our USRLOC
> > DB
> > > if (!lookup("location")) {
> > > sl_send_reply("404", "Not Found");
> > > break;
> > > };
> > > };
> > > append_hf("P-hint: usrloc applied\r\n");
> > > route(1);
> > > }
> > >
> > > route[1]
> > > {
> > > # send it out now; use stateful forwarding as it works reliably
> > > # even for UDP2TCP
> > > if (!t_relay()) {
> > > sl_reply_error();
> > > };
> > > }
> > >
> > >
> > > In my radiusclient.cfg i have configured for authentication
> > localhost:1645.
> > > In my Radius Server (Radiator) i'm not see any Radius message.
> > >
> > > What is the problem?
> > > Hope someone can help me
> > >
> > > Thank in advance
> > > BEst Regards
> > >
> > > Ricardo Martinez.
> > >
> > > _______________________________________________
> > > Serusers mailing list
> > > serusers at lists.iptel.org
> > > http://lists.iptel.org/mailman/listinfo/serusers
>
> _______________________________________________
> Serusers mailing list
> serusers at lists.iptel.org
> http://lists.iptel.org/mailman/listinfo/serusers
More information about the sr-users
mailing list