[OpenSIPS-Users] I never see 404 not found

Muhammad Shahzad shaheryarkh at googlemail.com
Fri Sep 7 15:37:43 CEST 2012


Does second INVITE contains Proxy-Authorization header? Can you please
paste SIP trace here?

Thank you.


On Fri, Sep 7, 2012 at 2:22 PM, sajjad purmohseni <spurmohseni at yahoo.com>wrote:

> Hello Muhammad  thanks for reply.
>
> I think you mean invalidity of the "To URI"; But I am telling about
> invalidity of the "From URI" or the caller contact. In authentication
> process I expect to receive "404 not found" after sending second Invite or
> Register messages; but I receive 401 or 407. Is int normal action by server
> or it can send "404 not found" about invalid "From URI" to tell client that
> the contact URI is invalid?
>
> --------------------------------------------------
> kind regards;
>         Sajad Pourmohseni
>
>
>
>
>   ------------------------------
> *From:* Muhammad Shahzad <shaheryarkh at googlemail.com>
> *To:* sajjad purmohseni <spurmohseni at yahoo.com>; OpenSIPS users mailling
> list <users at lists.opensips.org>
> *Sent:* Friday, September 7, 2012 1:45 PM
> *Subject:* Re: [OpenSIPS-Users] I never see 404 not found
>
> Yes because you have enabled proxy authentication of every method except
> REGISTER. Here is where you are doing this.
>
> # authenticate if from local subscriber (uncomment to enable auth)
>  # authenticate all initial non-REGISTER request that pretend to be
>  # generated by local subscriber (domain from FROM URI is local)
>  if (!(method=="REGISTER") && from_uri==myself) /*no multidomain version*/
>  ##if (!(method=="REGISTER") && is_from_local())  /*multidomain version*/
>  {
>   if (!proxy_authorize("", "subscriber")) {
>    proxy_challenge("", "0");
>    exit;
>   }
>
> This gets called BEFORE you check for destination, which is right way to
> do it. The caller should authenticate itself before callee is checked.
>
> Thank you.
>
>
> On Thu, Sep 6, 2012 at 5:07 PM, sajjad purmohseni <spurmohseni at yahoo.com>wrote:
>
> Hi all
>
> I use sipp tool accompanying opensips server to generate normal SIP
> traffic. I successfuly enable authentication in opensips; added some users
> in database and performed authentication proccess in register and invite
> requests. I see valid authentication as username and passwords are valid
> and failure in authentication as password is invalid. After sending first
> invite and receiving 407 (proxy auth req) message; In my scenario an Invite
> message is sent with authentication header containing valid nonce. My
> problem is that when URI of re-Invite request is invalid I receive 407
> instead of 404 (not found).
> I'm so grateful about any help.
>
>
> This is my opensips config file (opensips.cfg):
>
>
>
>
>
> #
> # $Id: opensips.cfg 5503 2009-03-22 16:22:32Z bogdan_iancu $
> #
> # OpenSIPS basic configuration script
> #     by Anca Vamanu <anca at voice-system.ro>
> #
> # Please refer to the Core CookBook at:
> #      http://www.opensips.org/index.php?n=Resources.DocsCookbooks
> # for a explanation of possible statements, functions and parameters.
> #
>
> ####### Global Parameters #########
> #debug=3
> log_stderror=no
> log_facility=LOG_LOCAL0
> fork=yes
> children=4
> /* uncomment the following lines to enable debugging */
> debug=6
> #fork=no
> #log_stderror=yes
> /* uncomment the next line to disable TCP (default on) */
> #disable_tcp=yes
> /* uncomment the next line to enable the auto temporary blacklisting of
>    not available destinations (default disabled) */
> #disable_dns_blacklist=no
> /* uncomment the next line to enable IPv6 lookup after IPv4 dns
>    lookup failures (default disabled) */
> #dns_try_ipv6=yes
> /* uncomment the next line to disable the auto discovery of local aliases
>    based on revers DNS on IPs (default on) */
> #auto_aliases=no
> /* uncomment the following lines to enable TLS support  (default off) */
> #disable_tls = no
> #listen = tls:your_IP:5061
> #tls_verify_server = 1
> #tls_verify_client = 1
> #tls_require_client_certificate = 0
> #tls_method = TLSv1
> #tls_certificate = "/usr/local/etc/opensips/tls/user/user-cert.pem"
> #tls_private_key = "/usr/local/etc/opensips/tls/user/user-privkey.pem"
> #tls_ca_list = "/usr/local/etc/opensips/tls/user/user-calist.pem"
> port=5060
> /* uncomment and configure the following line if you want opensips to
>    bind on a specific interface/port/proto (default bind on all available)
> */
> listen=udp:194.225.238.244:5060
>
> ####### Modules Section ########
> #set module path
> mpath="/usr/local/lib64/opensips/modules/"
> /* uncomment next line for MySQL DB support */
> loadmodule "db_mysql.so"
> loadmodule "signaling.so"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "rr.so"
> loadmodule "maxfwd.so"
> loadmodule "usrloc.so"
> loadmodule "registrar.so"
> loadmodule "textops.so"
> loadmodule "mi_fifo.so"
> loadmodule "uri_db.so"
> loadmodule "uri.so"
> loadmodule "xlog.so"
> loadmodule "acc.so"
> /* uncomment next lines for MySQL based authentication support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> loadmodule "auth.so"
> loadmodule "auth_db.so"
> /* uncomment next line for aliases support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> #loadmodule "alias_db.so"
> /* uncomment next line for multi-domain support
>    NOTE: a DB (like db_mysql) module must be also loaded
>    NOTE: be sure and enable multi-domain support in all used modules
>          (see "multi-module params" section ) */
> #loadmodule "domain.so"
> /* uncomment the next two lines for presence server support
>    NOTE: a DB (like db_mysql) module must be also loaded */
> #loadmodule "presence.so"
> #loadmodule "presence_xml.so"
>
> # ----------------- setting module-specific parameters ---------------
>
> # ----- mi_fifo params -----
> modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
>
> # ----- rr params -----
> # add value to ;lr param to cope with most of the UAs
> modparam("rr", "enable_full_lr", 1)
> # do not append from tag to the RR (no need for this script)
> modparam("rr", "append_fromtag", 0)
>
> # ----- registrar params -----
> modparam("registrar", "method_filtering", 1)
> /* uncomment the next line to disable parallel forking via location */
> # modparam("registrar", "append_branches", 0)
> /* uncomment the next line not to allow more than 10 contacts per AOR */
> #modparam("registrar", "max_contacts", 10)
>
> # ----- usrloc params -----
> modparam("usrloc", "db_mode",   0)
> /* uncomment the following lines if you want to enable DB persistency
>    for location entries */
> #modparam("usrloc", "db_mode",   2)
> #modparam("usrloc", "db_url",
> # "mysql://opensips:opensipsrw@localhost/opensips")
>
> # ----- uri_db params -----
> /* by default we disable the DB support in the module as we do not need it
>    in this configuration */
> modparam("uri_db", "use_uri_table", 0)
> modparam("uri_db", "db_url", "")
>
> # ----- acc params -----
> /* what sepcial events should be accounted ? */
> modparam("acc", "early_media", 1)
> modparam("acc", "report_ack", 1)
> modparam("acc", "report_cancels", 1)
> /* by default ww do not adjust the direct of the sequential requests.
>    if you enable this parameter, be sure the enable "append_fromtag"
>    in "rr" module */
> modparam("acc", "detect_direction", 0)
> /* account triggers (flags) */
> modparam("acc", "failed_transaction_flag", 3)
> modparam("acc", "log_flag", 1)
> modparam("acc", "log_missed_flag", 2)
> /* uncomment the following lines to enable DB accounting also */
> modparam("acc", "db_flag", 1)
> modparam("acc", "db_missed_flag", 2)
>
> # ----- auth_db params -----
> /* uncomment the following lines if you want to enable the DB based
>    authentication */
> modparam("auth_db", "calculate_ha1", yes)
> modparam("auth_db", "password_column", "password")
> modparam("auth_db", "db_url",
>  "mysql://opensips:opensipsrw@localhost/opensips")
> modparam("auth_db", "load_credentials", "")
>
> # ----- alias_db params -----
> /* uncomment the following lines if you want to enable the DB based
>    aliases */
> #modparam("alias_db", "db_url",
> # "mysql://opensips:opensipsrw@localhost/opensips")
>
> # ----- domain params -----
> /* uncomment the following lines to enable multi-domain detection
>    support */
> #modparam("domain", "db_url",
> # "mysql://opensips:opensipsrw@localhost/opensips")
> #modparam("domain", "db_mode", 1)   # Use caching
>
> # ----- multi-module params -----
> /* uncomment the following line if you want to enable multi-domain support
>    in the modules (dafault off) */
> #modparam("alias_db|auth_db|usrloc|uri_db", "use_domain", 1)
>
> # ----- presence params -----
> /* uncomment the following lines if you want to enable presence */
> #modparam("presence|presence_xml", "db_url",
> # "mysql://opensips:opensipsrw@localhost/opensips")
> #modparam("presence_xml", "force_active", 1)
> #modparam("presence", "server_address", "sip:192.168.1.2:5060")
>
> ####### Routing Logic ########
>
> # main request routing logic
> route{
>  if (!mf_process_maxfwd_header("10")) {
>   sl_send_reply("483","Too Many Hops");
>   exit;
>  }
>  if (has_totag()) {
>   # sequential request withing a dialog should
>   # take the path determined by record-routing
>   if (loose_route()) {
>    if (is_method("BYE")) {
>     setflag(1); # do accounting ...
>     setflag(3); # ... even if the transaction fails
>    } else if (is_method("INVITE")) {
>     # even if in most of the cases is useless, do RR for
>     # re-INVITEs alos, as some buggy clients do change route set
>     # during the dialog.
>     record_route();
>    }
>    # route it out to whatever destination was set by loose_route()
>    # in $du (destination URI).
>    route(1);
>   } else {
>    /* uncomment the following lines if you want to enable presence */
>    ##if (is_method("SUBSCRIBE") && $rd == "your.server.ip.address") {
>    ## # in-dialog subscribe requests
>    ## route(2);
>    ## exit;
>    ##}
>    if ( is_method("ACK") ) {
>     if ( t_check_trans() ) {
>      # non loose-route, but stateful ACK; must be an ACK after
>      # a 487 or e.g. 404 from upstream server
>      t_relay();
>      exit;
>     } else {
>      # ACK without matching transaction ->
>      # ignore and discard
>      exit;
>     }
>    }
>    sl_send_reply("404","Not here");
>   }
>   exit;
>  }
>  #initial requests
>  # CANCEL processing
>  if (is_method("CANCEL"))
>  {
>   if (t_check_trans())
>    t_relay();
>   exit;
>  }
>  t_check_trans();
>  # authenticate if from local subscriber (uncomment to enable auth)
>  # authenticate all initial non-REGISTER request that pretend to be
>  # generated by local subscriber (domain from FROM URI is local)
>  if (!(method=="REGISTER") && from_uri==myself) /*no multidomain version*/
>  ##if (!(method=="REGISTER") && is_from_local())  /*multidomain version*/
>  {
>   if (!proxy_authorize("", "subscriber")) {
>    proxy_challenge("", "0");
>    exit;
>   }
>   if (!check_from()) {
>    sl_send_reply("403","Forbidden auth ID");
>    exit;
>   }
>
>   consume_credentials();
>   # caller authenticated
>  }
>  # preloaded route checking
>  if (loose_route()) {
>   xlog("L_ERR",
>   "Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
>   if (!is_method("ACK"))
>    sl_send_reply("403","Preload Route denied");
>   exit;
>  }
>  # record routing
>  if (!is_method("REGISTER|MESSAGE"))
>   record_route();
>  # account only INVITEs
>  if (is_method("INVITE")) {
>   setflag(1); # do accounting
>  }
>  if (!uri==myself)
>  ## replace with following line if multi-domain support is used
>  ##if (!is_uri_host_local())
>  {
>   append_hf("P-hint: outbound\r\n");
>   # if you have some interdomain connections via TLS
>   ##if($rd=="tls_domain1.net") {
>   ## t_relay("tls:domain1.net");
>   ## exit;
>   ##} else if($rd=="tls_domain2.net") {
>   ## t_relay("tls:domain2.net");
>   ## exit;
>   ##}
>   route(1);
>  }
>  # requests for my domain
>  ## uncomment this if you want to enable presence server
>  ##   and comment the next 'if' block
>  ##   NOTE: uncomment also the definition of route[2] from  below
>  ##if( is_method("PUBLISH|SUBSCRIBE"))
>  ##  route(2);
>  if (is_method("PUBLISH"))
>  {
>   sl_send_reply("503", "Service Unavailable");
>   exit;
>  }
>
>  if (is_method("REGISTER"))
>  {
>   # authenticate the REGISTER requests (uncomment to enable auth)
>   if (!www_authorize("", "subscriber"))
>   {
>    www_challenge("", "0");
>    exit;
>   }
>   if (!check_to())
>   {
>    sl_send_reply("403","Forbidden auth ID");
>    exit;
>   }
>   if (!save("location"))
>    sl_reply_error();
>   exit;
>  }
>  if ($rU==NULL) {
>   # request with no Username in RURI
>   sl_send_reply("484","Address Incomplete");
>   exit;
>  }
>  # apply DB based aliases (uncomment to enable)
>  ##alias_db_lookup("dbaliases");
>  if (!lookup("location")) {
>   switch ($retcode) {
>    case -1:
>    case -3:
>     t_newtran();
>     t_reply("404", "Not Found");
>     exit;
>    case -2:
>     sl_send_reply("405", "Method Not Allowed");
>     exit;
>   }
>  }
>  # when routing via usrloc, log the missed calls also
>  setflag(2);
>  route(1);
> }
>
> route[1] {
>  # for INVITEs enable some additional helper routes
>  if (is_method("INVITE")) {
>   t_on_branch("2");
>   t_on_reply("2");
>   t_on_failure("1");
>  }
>  if (!t_relay()) {
>   sl_reply_error();
>  };
>  exit;
> }
>
> # Presence route
> /* uncomment the whole following route for enabling presence
>    NOTE: do not forget to enable the call of this route from the main
>      route */
> ##route[2]
> ##{
> ## if (!t_newtran())
> ## {
> ##  sl_reply_error();
> ##  exit;
> ## };
> ##
> ## if(is_method("PUBLISH"))
> ## {
> ##  handle_publish();
> ##  t_release();
> ## }
> ## else
> ## if( is_method("SUBSCRIBE"))
> ## {
> ##  handle_subscribe();
> ##  t_release();
> ## }
> ##
> ## exit;
> ##}
>
> branch_route[2] {
>  xlog("new branch at $ru\n");
> }
>
> onreply_route[2] {
>  xlog("incoming reply\n");
> }
>
> failure_route[1] {
>  if (t_was_cancelled()) {
>   exit;
>  }
>  # uncomment the following lines if you want to block client
>  # redirect based on 3xx replies.
>  ##if (t_check_status("3[0-9][0-9]")) {
>  ##t_reply("404","Not found");
>  ## exit;
>  ##}
>  # uncomment the following lines if you want to redirect the failed
>  # calls to a different new destination
>  ##if (t_check_status("486|408")) {
>  ## sethostport("192.168.2.100:5060");
>  ## # do not set the missed call flag again
>  ## t_relay();
>  ##}
> }
>
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
>
>
> --
> Muhammad Shahzad
> -----------------------------------
> CISCO Rich Media Communication Specialist (CRMCS)
> CISCO Certified Network Associate (CCNA)
> Cell: +92 334 422 40 88
> MSN: shari_786pk at hotmail.com
> Email: shaheryarkh at googlemail.com
>
>
>


-- 
Muhammad Shahzad
-----------------------------------
CISCO Rich Media Communication Specialist (CRMCS)
CISCO Certified Network Associate (CCNA)
Cell: +92 334 422 40 88
MSN: shari_786pk at hotmail.com
Email: shaheryarkh at googlemail.com
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