[Serusers] SER with RADIUS
Leon Li
Leon.Li at aarnet.edu.au
Wed May 13 01:21:11 CEST 2009
Hi,
I am using 2.0.0.
And I am using radius_www_authenticate to authenticate via FreeRADIUS.
The problem is not with this function, but www_challenge function
returns error "unknown command, missing loadmodule?".
Cheers
Leon
From: Tomasz Zieleniewski [mailto:tzieleniewski at gmail.com]
Sent: Tuesday, 12 May 2009 5:44 PM
To: Leon Li
Cc: serusers at lists.iptel.org
Subject: Re: [Serusers] SER with RADIUS
Hi,
You must use www_authenticate(digest_realm, credentials)
function in order to perform the user authentication.
BTW which version of SER do You use?
Kind regards,
Tomasz
2009/5/12 Leon Li <Leon.Li at aarnet.edu.au>
Hi,
I got the following settings on my SER handling authentication.
route[AUTHENTICATION]
{
# CANCELs and ACKs cannot be challenged.
if (method == "CANCEL" || method == "ACK") {
break;
}
# Authentication
if (method == "REGISTER") {
if (!radius_www_authenticate(" ")) {
www_challenge("", "1");
break;
}
save("location");
drop;
}
}
However, when I try to run SER with this file, error come up "unknown
command, missing loadmodule?" indicating the line in red has problem. If
I comment this line, SER starts fine but no authentication performed.
Anyone can help?
Thanks
Leon
From: Tomasz Zieleniewski [mailto:tzieleniewski at gmail.com]
Sent: Thursday, 7 May 2009 11:03 PM
To: Leon Li
Cc: serusers at lists.iptel.org
Subject: Re: [Serusers] SER with RADIUS
Hi,
In order to use radius you need auth_radius module to use database
auth_db.
Other thing is that if You want to authorize user as UAS (registrar)
then You should use radius_www_authenticate(disgest_realm) function.
Kind regards,
- Tomasz
2009/5/7 Leon Li <Leon.Li at aarnet.edu.au>
Thanks Tomasz,
I know we need different function, however, my problem is that it won't
accept www_challenge in ser.cfg which is introduced by auth module, I
think.
if (method=="REGISTER") {
# authentication
if (!radius_www_authorize("")) {
www_challenge("", "0");
break;
};
Regards
Leon
From: Tomasz Zieleniewski [mailto:tzieleniewski at gmail.com]
Sent: Wednesday, 6 May 2009 6:25 PM
To: Leon Li
Cc: serusers at lists.iptel.org
Subject: Re: [Serusers] SER with RADIUS
Hi,
>From SER version 2.x in order to challenge a SIP Request with FreeRADIUS
authorization You need to use the radius_proxy_authorize(digest_realm)
function.
And analogously proxy_authorize(digest_realm, credentials) if You want
to use SER database.
Kind regards,
- Tomasz Zieleniewski
2009/5/6 Leon Li <Leon.Li at aarnet.edu.au>
Hi,
I am trying to make SER working with FreeRADIUS. However, I got an error
using www_challenge, " 0(3184) parse error (119,25-26): unknown command,
missing loadmodule?" The 119 line is www_challenge("", "0"); I did load
auth module. Any idea?
Here is my config:
#
# $Id: ser-basic.cfg,v 1.1.2.2 2008/06/12 13:15:06 alfredh Exp $ # #
This a very basic config file w aliases and anamed route but # w/o
authentication, accounting, database, multi-domain support etc.
# Please refer to ser.cfg for a more complete example #
# ----------- global configuration parameters ------------------------
debug=3 # debug level (cmd line: -dddddddddd)
#memdbg=10 # memory debug message level
#memlog=10 # memory statistics log level #log_facility=LOG_LOCAL0 # sets
the facility used for logging (see syslog(3))
/* 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)
listen=202.158.197.134
port=5060
children=4
#user=ser
#group=ser
#disable_core=yes #disables core dumping
#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)
#
# ------------------ module loading ----------------------------------
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/textops.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"
loadmodule "/usr/local/lib/ser/modules/ctl.so"
loadmodule "/usr/local/lib/ser/modules/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_radius.so"
# ----------------- setting module-specific parameters ---------------
# -- usrloc params --
modparam("usrloc", "db_mode", 0)
# -- rr params --
# add value to ;lr param to make some broken UAs happy modparam("rr",
"enable_full_lr", 1)
# ctl params
# by default ctl listens on unixs:/tmp/ser_ctl if no other address is #
specified in modparams; this is also the default for sercmd
modparam("ctl", "binrpc", "unixs:/tmp/ser_ctl") # listen on the
"standard" fifo for backward compatibility modparam("ctl", "fifo",
"fifo:/tmp/ser_fifo") # listen on tcp, localhost #modparam("ctl",
"binrpc", "tcp:localhost:2046")
# -- auth_radius params --
modparam("auth_radius", "radius_config",
"/usr/local/etc/radiusclient-ng/radiusclient.conf")
# ------------------------- 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_reply("483","Too Many Hops");
break;
}
if (msg:len >= max_len ) {
sl_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(FORWARD);
break;
}
if (!uri==myself) {
# mark routing logic in request
append_hf("P-hint: outbound\r\n");
route(FORWARD);
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 (method=="REGISTER") {
# authentication
if (!radius_www_authorize("")) {
www_challenge("", "0");
break;
};
save_contacts("location");
break;
}
# native SIP destinations are handled using our USRLOC DB
if (!lookup_contacts("location")) {
sl_reply("404", "Not Found");
break;
}
append_hf("P-hint: usrloc applied\r\n");
}
route(FORWARD);
}
route[FORWARD]
{
# send it out now; use stateful forwarding as it works reliably
# even for UDP2TCP
if (!t_relay()) {
sl_reply_error();
}
}
Thanks,
Leon
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