[Serusers] 483 Too many Hops Error with SER Presence Agent
Carlos Angeles
pegaso_91 at hotmail.com
Mon Nov 26 15:22:42 CET 2007
Hi...
I have installed SER-0.10.99 with presence capabilities following the presence hadnbook, the server is running OK, but I have problems when I tried to register a client (x-lite). I am getting 483: Too many hops...
What can be the problem?????
Thank you for your help,
Carlos
Config file:
debug=3 # debug level (cmd line: -dddddddddd)
#fork=yes
#log_stderror=no # (cmd line: -E)
#memlog=5 # memory debug log level
#log_facility=LOG_LOCAL0 # sets the facility used for logging (see syslog(3))
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
port=5060
children=2
alias="test-domain.com"
#user=ser
#group=ser
#open_fd_limit=1024 # sets the open file descriptors limit
mhomed=yes # usefull for multihomed hosts, small performance penalty
#disable_tcp=yes
#tcp_accept_aliases=yes # accepts the tcp alias via option (see NEWS)
#tcp_poll_method="sigio_rt"
# ------------------ module loading ----------------------------------
# Uncomment this if you want to use SQL database
loadmodule "/base/ser/directory/lib/ser/modules//sl.so"
loadmodule "/base/ser/directory/lib/ser/modules/avp.so"
loadmodule "/base/ser/directory/lib/ser/modules//avpops.so"
loadmodule "/base/ser/directory/lib/ser/modules//tm.so"
loadmodule "/base/ser/directory/lib/ser/modules//rr.so"
loadmodule "/base/ser/directory/lib/ser/modules//maxfwd.so"
loadmodule "/base/ser/directory/lib/ser/modules//usrloc.so"
loadmodule "/base/ser/directory/lib/ser/modules//registrar.so"
loadmodule "/base/ser/directory/lib/ser/modules//textops.so"
loadmodule "/base/ser/directory/lib/ser/modules//mysql.so"
loadmodule "/base/ser/directory/lib/ser/modules//dialog.so"
loadmodule "/base/ser/directory/lib/ser/modules//rls.so"
loadmodule "/base/ser/directory/lib/ser/modules/pa.so"
loadmodule "/base/ser/directory/lib/ser/modules//presence_b2b.so"
loadmodule "/base/ser/directory/lib/ser/modules//uri.so"
loadmodule "/base/ser/directory/lib/ser/modules//uri_db.so"
loadmodule "/base/ser/directory/lib/ser/modules//domain.so"
loadmodule "/base/ser/directory/lib/ser/modules//fifo.so"
loadmodule "/base/ser/directory/lib/ser/modules//xmlrpc.so"
loadmodule "/base/ser/directory/lib/ser/modules//xlog.so"
#loadmodule "/base/ser/directory/lib/ser/modules//unixsock.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
loadmodule "/base/ser/directory/lib/ser/modules//auth.so"
loadmodule "/base/ser/directory/lib/ser/modules//auth_db.so"
loadmodule "/base/ser/directory/lib/ser/modules//msilo.so"
# ----------------- setting module-specific parameters ---------------
# modparam("msilo","registrar","sip:registrar at test-domain.com")
modparam("msilo","use_contact",0)
modparam("msilo","expire_time",7200)
# -- usrloc params --
# -- 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)
modparam("rls", "min_expiration", 200)
modparam("rls", "max_expiration", 300)
modparam("rls", "default_expiration", 300)
modparam("rls", "auth", "none")
modparam("rls", "xcap_root", "http://localhost/xcap")
modparam("rls", "reduce_xcap_needs", 1)
modparam("rls", "db_mode", 0)
modparam("rls", "db_url", "mysql://ser:heslo@localhost:3306/ser")
modparam("pa", "use_db", 0)
# allow storing authorization requests for offline users into database
modparam("pa", "use_offline_winfo", 1)
# how often try to remove old stored authorization requests
modparam("pa", "offline_winfo_timer", 600)
# how long stored authorization requests live
modparam("pa", "offline_winfo_expiration", 600)
modparam("pa", "db_url", "mysql://ser:heslo@localhost:3306/ser")
# mode of PA authorization: none, implicit or xcap
modparam("pa", "auth", "xcap")
modparam("pa", "auth_xcap_root", "http://localhost/xcap")
# do not authorize watcherinfo subscriptions
modparam("pa", "winfo_auth", "none")
# use only published information if set to 0
modparam("pa", "use_callbacks", 1)
# don't accept internal subscriptions from RLS, ...
modparam("pa", "accept_internal_subscriptions", 0)
# maximum value of Expires for subscriptions
modparam("pa", "max_subscription_expiration", 600)
# maximum value of Expires for publications
modparam("pa", "max_publish_expiration", 120)
# how often test if something changes and send NOTIFY
modparam("pa", "timer_interval", 10)
# route for generated SUBSCRIBE requests for presence
modparam("presence_b2b", "presence_route", "")
# waiting time from error to new attepmt about SUBSCRIBE
modparam("presence_b2b", "on_error_retry_time", 60)
# how long wait for NOTIFY with Subscription-Status=terminated after unsubscribe
modparam("presence_b2b", "wait_for_term_notify", 33)
# how long before expiration send renewal SUBSCRIBE request
modparam("presence_b2b", "resubscribe_delta", 30)
# minimal time to send renewal SUBSCRIBE request from receiving previous response
modparam("presence_b2b", "min_resubscribe_time", 60)
# default expiration timeout
modparam("presence_b2b", "default_expiration", 3600)
# process internal subscriptions to presence events
modparam("presence_b2b", "handle_presence_subscriptions", 1)
modparam("usrloc", "db_mode", 0)
modparam("domain", "db_mode", 1)
modparam("domain|uri_db|acc|auth_db|usrloc|msilo", "db_url", "mysql://ser:heslo@localhost:3306/ser")
modparam("fifo", "fifo_file", "/tmp/ser_fifo")
# ------------------------- request routing logic -------------------
# main routing logic
route{
# XML RPC
if (method == "POST" || method == "GET") {
create_via();
dispatch_rpc();
break;
}
# 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
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 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 (!lookup_domain("To")) {
xlog("L_ERR", "Unknown domain to: %tu from: %fu\n");
route(1);
break;
}
if (method=="SUBSCRIBE") {
if (!t_newtran()) {
sl_reply_error();
break;
};
if (@to.tag=="") {
# only for new subscriptions (with empty to tag)
if (lookup_user("To")) {
# existing user -> it is subscription to PA
if (handle_subscription("registrar")) {
if ((@msg.event=~"presence\.winfo")) {
# new watcher info subscription
# sends one watcher info NOTIFY message with all saved authorization requests
xlog("L_ERR", "dumping stored winfo to %fu\n");
dump_stored_winfo("registrar", "presence");
}
else {
# new presence subscription
if ((@msg.event=~"presence") && (%subscription_status=="pending")) {
# if offline user and new pending subscription
if (!target_online("registrar")) {
#%subscription_status="waiting"; # store it as waiting subscription
xlog("L_ERR", "storing 'pending' winfo to: %tu, from: %fu\n");
store_winfo("registrar");
}
}
}
}
break;
}
if ((@msg.supported=~"eventlist")) {
# such user doesn't exist and Supported header field
# -> probably RLS subscription
if (lookup_domain("From")) {
if (lookup_user("From")) {
if (is_simple_rls_target("$uid-list")) {
# log(1, "it is simple subscription!\n");
# takes From UID and makes XCAP query for user's
# list named "default"
if (!query_resource_list("default")) {
t_reply("404", "No such user list");
break;
}
}
}
}
if (!have_flat_list()) {
# query_resource_list failed or was not called
# do standard RLS query acording to To/AOR
if (!query_rls_services()) {
log(1, "XCAP query failed\n");
t_reply("404", "No such list URI");
break;
}
}
# uncomment this if you want to authenticate first SUBSCRIBE request to resource list
# if (!proxy_authenticate("test-domain.com", "credentials")) {
# proxy_challenge( "test-domain.com", "0");
# break;
# };
handle_rls_subscription("1");
}
else {
# not resource list subscription -> invalid user
xlog("L_ERR", "subscription to invalid user %tu\n");
t_reply("404", "User not found");
}
break;
}
else {
# renewal subscriptions - try to handle it as RLS and if failed, handle it as PA subscription
# FIXME: better will be test like existing_rls_subscription()
# and existing_subscription("registrar")
if (!handle_rls_subscription("0")) {
handle_subscription("registrar");
}
break;
}
};
# get user (common for all other messages than SUBSCRIBE)
if (!lookup_user("To")) {
# log(1, "Unknown user - message should be forwarded?");
# # break;
append_hf("P-hint: unknown user\r\n");
route(1);
break;
}
if (method=="PUBLISH") {
if (!t_newtran()) {
# log(1, "newtran error\n");
sl_reply_error();
break;
};
handle_publish("registrar");
# deliver messages to online user
# TODO: only if user goes from offline to online?
if (target_online("registrar")) {
# log(1, "Dumping stored messages\n");
# dump stored messages - route it through myself (otherwise routed via DNS!)
if (m_dump("sip:127.0.0.1")) {
xlog("L_ERR", "MSILO: offline messages for %fu dumped\n");
}
}
break;
};
if (method=="NOTIFY") {
if (!t_newtran()) {
log(1, "newtran error\n");
sl_reply_error();
break;
};
# handle notification sent in internal subscriptions (presence_b2b)
if (!handle_notify()) {
t_reply("481", "Unable to handle notification");
}
break;
};
if (method=="MESSAGE") {
if (authorize_message("http://localhost/xcap")) {
# use usrloc for delivery
if (lookup("location")) {
log(1, "Delivering MESSAGE using usrloc\n");
t_on_failure("1");
if (!t_relay()) {
sl_reply_error();
}
break;
}
else {
# store messages for offline user
xlog("L_ERR", "MSILO: storing MESSAGE for %tu\n");
if (!t_newtran()) {
log(1, "newtran error\n");
sl_reply_error();
break;
};
# store only text messages NOT isComposing... !
if (search("^(Content-Type|c):.*application/im-iscomposing\+xml.*")) {
log(1, "it is only isComposing message - ignored\n");
t_reply("202", "Ignored");
break;
}
if (m_store("0", "sip:127.0.0.1")) {
# log(1, "MSILO: offline message stored\n");
if (!t_reply("202", "Accepted")) {
sl_reply_error();
};
} else {
log(1, "MSILO: error storing offline message\n");
if (!t_reply("503", "Service Unavailable")) {
sl_reply_error();
};
};
break;
}
break;
}
else {
# log(1, "unauthorized message\n");
sl_reply("403", "Forbidden");
}
break;
}
if (method=="REGISTER") {
# uncomment this if you want to authenticate REGISTER request
# if (!www_authenticate("", "credentials")) {
# www_challenge("", "0");
# break;
# };
save("location");
# dump stored messages - route it through myself (otherwise routed via DNS!)
if (m_dump("sip:127.0.0.1")) {
xlog("L_ERR", "MSILO: offline messages for %fu dumped\n");
}
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();
};
}
failure_route[1] {
# forwarding failed -- check if the request was a MESSAGE
if (!method=="MESSAGE") { break; };
log(1, "MSILO: MESSAGE forward failed - storing it\n");
# we have changed the R-URI with the contact address, ignore it now
if (m_store("0", "")) {
t_reply("202", "Accepted");
} else {
log(1, "MSILO: offline message NOT stored\n");
t_reply("503", "Service Unavailable");
};
}
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