[Serusers] 483: Too many hops

[Jan Janak]

Stephan,

line if (uri=="d254196.cs.stir.ac.uk")  is wrong.

Operator == means exact match, but your Request-URI will contain more
than d254196.cs.stir.ac.uk.

You can use regular expression matching (operator ~=) or better use
uri==myself (in this case uncomment line containing alias=...).

  Jan.

On 07-05 14:11, srm at cs.stir.ac.uk wrote:
> Hi,
> 
> I am just trying the new ser version from CVS, and I get a too many hops
> error message when a client tries to register. Any idea? I am running ser
> on Linux.
> I have tried both kphone 3.1 and spic 2.?? as user agents. I am sure I
> must have missed something in my configuration file. I attach the current
> ser.cfg.
> thanks,
> 
> Stephan
> 
> 
> debug=3         # debug level (cmd line: -dddddddddd)
> fork=yes
> log_stderror=yes	# (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"
> #alias="d254196.cs.stir.ac.uk"
> 
> # ------------------ 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"
> 
> # 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"
> 
> # ----------------- 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")
> 
> # -------------------------  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
> 	record_route();	
> 	# loose-route processing
> 	loose_route();
> 
> 	# 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=="d254196.cs.stir.ac.uk") {
> 
> 		if (method=="REGISTER") {
> 
> # Uncomment this if you want to use digest authentication
> 			if (!www_authorize("d254196.cs.stir.ac.uk", "subscriber")) {
> 				www_challenge("d254196.cs.stir.ac.uk", "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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