[Users] Why do not have 407 Proxy Authentication Required

Daniel-Constantin Mierla daniel at voice-system.ro
Fri Apr 13 11:41:06 CEST 2007


Hello,

On 04/12/07 17:08, Kirill Kudin wrote:
> Lee,
>
> By your config, openser requires the authentication for REGISTER method
> -----------------------------------
>                 if (method=="REGISTER") {
>                         # Uncomment this if you want to use digest 
> authentication
>                         if (!www_authorize("localhost", "subscriber")) {
>                                 www_challenge("localhost", "0");
>                                 exit;
>                         };
>                         save("location");
>                         exit;
>                 };
> -----------------------------------
>
> You should insert the same verification for INVITE, CANCEL, BYE 
> methods also.
> example is below:
> ------------------------------
>      if (is_method("INVITE") || is_method("CANCEL") || is_method("BYE")) {
>         if (!www_authorize("XXXXXX", "subscriber")) {
>
>         www_challenge("XXXXXX", "0");
>         exit;
>      };
>   

small correction, you have to do proxy authorization for INVITE and 
maybe for BYE (CANCEL must not be authenticated), not www. The right 
functions are
proxy_authorize() and proxy_challenge()

http://www.openser.org/docs/modules/1.2.x/auth.html
http://www.openser.org/docs/modules/1.2.x/auth_db.html

Cheers,
Daniel
> ------------------------------
>
> - Kirill
>
> On 4/12/07, *Mike Lee* <gs.mike at yahoo.com <mailto:gs.mike at yahoo.com>> 
> wrote:
>
>     Dear friends:
>      
>     I have installed openser-1.1.0-tls version, and it works fine with
>     mysql, the sip flow is below:
>     UA                  OpenSER
>     invite---------------->
>           <----------------100 trying
>           <----------------101 dialog establishement
>           <----------------180 ringing
>     .....
>     My question is, why not have the 407 Proxy Authentication Required
>     in the per call, see my openser.cfg file:
>     #
>     # $Id: openser.cfg,v 1.6 2006/02/15 18:23:46 bogdan_iancu 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
>     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/openser_fifo"
>     #
>     # uncomment the following lines for TLS support
>     #disable_tls = 0
>     #listen = tls:your_IP:5061
>     #tls_verify = 1
>     #tls_require_certificate = 0
>     #tls_method = TLSv1
>     #tls_certificate = "/usr/local/etc/openser/tls/user/user-cert.pem"
>     #tls_private_key = "/usr/local/etc/openser/tls/user/user- privkey.pem"
>     #tls_ca_list = "/usr/local/etc/openser/tls/user/user-calist.pem"
>     # ------------------ module loading ----------------------------------
>     # Uncomment this if you want to use SQL database
>     loadmodule "/usr/local/lib/openser/modules/mysql.so"
>     loadmodule "/usr/local/lib/openser/modules/sl.so"
>     loadmodule "/usr/local/lib/openser/modules/tm.so"
>     loadmodule "/usr/local/lib/openser/modules/rr.so"
>     loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
>     loadmodule "/usr/local/lib/openser/modules/usrloc.so"
>     loadmodule "/usr/local/lib/openser/modules/registrar.so"
>     loadmodule "/usr/local/lib/openser/modules/textops.so"
>     # Uncomment this if you want digest authentication
>     # mysql.so must be loaded !
>     loadmodule "/usr/local/lib/openser/modules/auth.so"
>     loadmodule "/usr/local/lib/openser/modules/auth_db.so"
>     # ----------------- setting module-specific parameters ---------------
>     # -- usrloc params --
>     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 --
>     # 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");
>                     exit;
>             };
>             if (msg:len >=  2048 ) {
>                     sl_send_reply("513", "Message too big");
>                     exit;
>             };
>             # 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);
>             };
>             if (!uri==myself) {
>                     # mark routing logic in request
>                     append_hf("P-hint: outbound\r\n");
>                     # if you have some interdomain connections via TLS
>                     #if(uri=~"@tls_domain1.net") {
>                     #       t_relay("tls:domain1.net
>     <http://domain1.net>");
>                     #       exit;
>                     #} else if(uri=~"@tls_domain2.net") {
>                     #       t_relay("tls:domain2.net
>     <http://domain2.net>");
>                     #       exit;
>                     #}
>                     route(1);
>             };
>             # 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 (!www_authorize("localhost",
>     "subscriber")) {
>                                     www_challenge("localhost", "0");
>                                     exit;
>                             };
>                             save("location");
>                             exit;
>                     };
>                     lookup("aliases");
>                     if (!uri==myself) {
>                             append_hf("P-hint: outbound alias\r\n");
>                             route(1);
>                     };
>                     # native SIP destinations are handled using our
>     USRLOC DB
>                     if (!lookup("location")) {
>                             sl_send_reply("404", "Not Found");
>                             exit;
>                     };
>                     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();
>             };
>             exit;
>     }
>     ============================
>      
>     thanks.
>      
>      
>      
>     Mike
>
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