[Serusers]: Problems with authentication

Jan Janak jan at iptel.org
Sun May 9 19:03:10 CEST 2004


Change realm (the first parameter of www_authorize and www_challenge in
the configuration file) from localdomain.com to 192.168.2.16. That's
what you have configured in the subscriber table.

  Jan.

On 08-05 12:29, Sara Allton wrote:
> 
>    Hi,
> 
>    I've installed SER on Redhat 9 but am having problems with getting a
>    Cisco ATA registered. The server replies with message "401
>    Unauthorized". Below is the ser.cfg file, together with ngrep output
>    and mysql subscriber table.
> 
>    What could the problem be? i've tried modifying the ser.cfg file in
>    order to try and get this to work but without luck. I'm not too sure
>    regarding the "realm" parameter being passed int the www-authenticate
>    message.
> 
>    TIA
> 
>    Sara
> 
> 
>    U 192.168.2.100:5060 -> 192.168.2.16:5060
> 
>      REGISTER sip:192.168.2.16 SIP/2.0..Via: SIP/2.0/UDP
>    192.168.2.100:5060..From: sip:ciscoata at 192.168.2.16..To:
>    sip:ciscoata at 192.168.2.16..Call-ID:
> 
>       3435349313 at 192.168.2.100..CSeq: 2 REGISTER..Contact:
>    <sip:ciscoata at 192.168.2.100:5060;transport=udp>;expires=3500..User-Age
>    nt: Cisco ATA  v2.15 a
> 
>      ta18x (020927a)..Authorization: Digest
>    username="ciscoata",realm="localdomain.com",nonce="409e41b0801685a46a7
>    9d41e81d85c5adc6bca39",uri="sip:192.168.2.16",response="b878eb13908b9a
>    8251571111eb001acf"..Content-Length: 0....
> 
>    #
> 
>    U 192.168.2.16:5060 -> 192.168.2.100:5060
> 
>      SIP/2.0 401 Unauthorized..Via: SIP/2.0/UDP 192.168.2.100:5060..From:
>    sipciscoata at 192.168.2.16..To:
>    sip:ciscoata at 192.168.2.16;tag=b27e1a1d33761e
> 
>      85846fc98f5f3a7e58.8272..Call-ID: 3435349313 at 192.168.2.100..CSeq: 2
>    REGISTER..WWW-Authenticate: Digest realm="localdomain.com",
>    nonce="409e41b1bc69e5210563de14a3dbfbb25941602e"..Server: Sip EXpress
>    router (0.8.12 (i386/linux)
> 
>      )..Content-Length: 0..Warning: 392 192.168.2.16:5060 "Noisy feedback
>    tells:pid=1631 req_src_ip=192.168.2.100 req_src_port=5060
>    in_uri=sip:192.168.2.16 out_uri=sip:192.168.2.16 via_cnt==1"....
> 
> 
>    mysql> select * from subscriber;
> 
>    +----------------------------------+-------------+--------------+-----
>    -----+------------+-----------+-------+-------------------------------
>    --+---------------------+---------------------+-----------------------
>    -------------------+------+------------------+----------+-------------
>    ---------------------+----------------------------------+-------+-----
>    -------+----------+
> 
>    | phplib_id                        | username    | domain       |
>    password | first_name | last_name | phone |
>    email_address                   | datetime_created    |
>    datetime_modified   | confirmation                         & nbsp;   |
>    flag | sendnotification | greeting | ha1
>    | ha1b                             | perms | allow_find | timezone |
> 
>    +----------------------------------+-------------+--------------+-----
>    -----+------------+-----------+-------+-------------------------------
>    --+---------------------+---------------------+-----------------------
>    -------------------+------+------------------+----------+-------------
>    ---------------------+----------------------------------+-------+-----
>    -------+----------+
> 
>    | 65e397cda0aa8e3202ea22cbd350e4e9 | admin       | 192.168.2.16   |
>    heslo    | Initial    | Admin     | 123   |
>    root at localhost                  | 2002-09-04 19:37:45 | 0000-00-00
>    00:00:00 | 57DaSIPuCm52UNe54 LF545750cfdL48OMZfroM53 | o
> 
>      |                  |          | 2ff35d1f6572c03ae736bd567a46a30b |
>    b4c79738fe441c8c26ebc11545423d23 | admin | 0
> 
>          | NULL     |
> 
>          | NULL     |
> 
>    | 1fb8e96684801eb7bc53e44d68a18cca | ser         | 192.168.2.16 |
>    heslo    |            |           |       | ser at localhost           |
>    2004-05-05 07:47:30 | 0000-00-00 00:00:00 |          &
>    nbsp;                               | o
> 
>      |                  |          | 1fb8e96684801eb7bc53e44d68a18cca |
>    5023bfc28eff0b9fc0f48e22b14f5e2b | admin | 0
> 
>          | NULL     |
> 
> 
>    | f3dbccc505c3611dd538857bbfa8a2b2 | test123      | 192.168.2.16 |
>    test     |            |           |       |
>    test123 at 192.168.2.16             | 2004-05-05 09:40:50 | 0000-00-00
>    00:00:00 |        &nbs p;                                 | o
> 
>      |                  |          | f3dbccc505c3611dd538857bbfa8a2b2 |
>    39e3709b96459dd7f5090277aaf988f4 | NULL  | 0
> 
>          | NULL     |
> 
> 
>    | b800b1c879ccf7bccfa1d0fffd6ac28a | ciscoata | 192.168.2.16 |
>    qwerty   |            |           |       | ciscoata at mail.com        |
>    2004-05-09 12:22:22 | 0000-00-00 00:00:00 |
>                   | o
> 
>      |                  |          | b800b1c879ccf7bccfa1d0fffd6ac28a |
>    bd81df065d2931e0048989a9fa94e6d5 | NULL  | 0
> 
>          | NULL     |
> 
>    +----------------------------------+-------------+--------------+-----
>    -----+------------+-----------+-------+-------------------------------
>    --+---------------------+---------------------+-----------------------
>    -------------------+------+------------------+----------+-------------
>    ---------------------+----------------------------------+-------+-----
>    -------+----------+
> 
>    4 rows in set (0.00 sec)
> 
> 
>    #
> 
>    # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $
> 
>    #
> 
>    # simple quick-start config script
> 
>    #
> 
> 
> 
>    # ----------- global configuration parameters ------------------------
> 
> 
> 
>    #debug=3         # debug level (cmd line: -dddddddddd)
> 
>    #fork=yes
> 
>    #log_stderror=no        # (cmd line: -E)
> 
> 
> 
> 
> 
> 
> 
>    /* Uncomment these lines to enter debugging mode
> 
>    debug=7
> 
>    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/lib/ser/modules/mysql.so"
> 
> 
> 
>    loadmodule "/usr/lib/ser/modules/sl.so"
> 
>    loadmodule "/usr/lib/ser/modules/tm.so"
> 
>    loadmodule "/usr/lib/ser/modules/rr.so"
> 
>    loadmodule "/usr/lib/ser/modules/maxfwd.so"
> 
>    loadmodule "/usr/lib/ser/modules/usrloc.so"
> 
>    loadmodule "/usr/lib/ser/modules/registrar.so"
> 
> 
> 
>    # Uncomment this if you want digest authentication
> 
>    # mysql.so must be loaded !
> 
>    loadmodule "/usr/lib/ser/modules/auth.so"
> 
>    loadmodule "/usr/lib/ser/modules/auth_db.so"
> 
>    # ----------------- setting module-specific parameters ---------------
> 
> 
> 
>    # -- usrloc params --
> 
>    modparam("usrloc", "db_url", "sql://ser:heslo@192.168.2.16/ser")
> 
> 
> 
>    #modparam("usrloc", "db_mode",   0)
> 
> 
> 
>    # Uncomment this if you want to use SQL database
> 
>    # for persistent storage and comment the previous line
> 
>    modparam("usrloc", "db_mode", 2)
> 
> 
> 
>    # -- auth params --
> 
>    modparam("auth_db", "db_url", "sql://ser:heslo@192.168.2.16/ser")
> 
>    # Uncomment if you are using auth module
> 
>    #
> 
>    modparam("auth_db", "calculate_ha1", yes)
> 
>    #
> 
>    # If you set "calculate_ha1" parameter to yes (which true in this
>    config),
> 
>    # uncomment also the following parameter)
> 
>    #
> 
>    modparam("auth_db", "password_column", "password")
> 
> 
> 
>    # -- rr params --
> 
>    # add value to ;lr param to make some broken UAs happy
> 
>    modparam("rr", "enable_full_lr", 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 ( msg:len > 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
> 
>            record_route();
> 
>            # loose-route processing
> 
>            if (loose_route()) {
> 
>                    t_relay();
> 
>                    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 (uri=~"^sip:(.+@)?(192\.168\.2\.16)([:;\?].*)?$") {
> 
> 
> 
>                    if (method=="REGISTER") {
> 
> 
> 
>    # Uncomment this if you want to use digest authentication
> 
>                            if (!www_authorize("", "subscriber")) {
> 
>                                    www_challenge("", "0");
> 
>                                    break;
> 
>                            };
> 
> 
> 
>                            save("location");
> 
>                            break;
> 
>                    };
> 
> 
> 
>                    # native SIP destinations are handled using our USRLOC
>    DB
> 
>                    if (!lookup("location")) {
> 
>                            sl_send_reply("404", "Not Found");
> 
>                            break;
> 
>                    };
> 
>            };
> 
>            # forward to current uri now; use stateful forwarding; that
> 
>            # works reliably even if we forward from TCP to UDP
> 
>            if (!t_relay()) {
> 
>                    sl_reply_error();
> 
>            };
> 
> 
> 
>    }
> 
> 
> 
> 
> 
>    --
> 
>    ___________________________________________________________
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> 
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> 
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