Nice,

wouldn't it make sense then to include this filter also in the <directory>.xml. Thus we are able to restrict a certain extension to a certain phone type.

Best regards
Peter

On 12/06/13 10:46, Andrew Cassidy wrote:

No, you literally just put a regex in sofia.conf.xml in the profile clients register to (internal in the default configuration) , for example:

<param name="user-agent-filter" value="SipDroid" />

Brian, the variable isn't documented so noone was to know it existed!

On 6 December 2013 05:58, Mehroz Ashraf <mehroz.ashraf85@gmail.com> wrote:

Brian ,It looks interesting but you should be confident enough altering a FS source code :) , that I wont bother at least. And I guess, you have to recompile FS each time you are making a change in that string?

A code snippet :

 if (user_agent_filter) {

                if (switch_regex_match(user_agent, user_agent_filter) == SWITCH_STATUS_SUCCESS) {

                        if (sofia_test_pflag(profile, PFLAG_LOG_AUTH_FAIL)) {

                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,

                                                                  "SIP auth OK (REGISTER) due to user-agent-filter.  Filter \"%s\" User-Agent \"%s\"\n", user_agent_filter, user_agent);

                        }

                } else {

                        ret = AUTH_FORBIDDEN;

                        if (sofia_test_pflag(profile, PFLAG_LOG_AUTH_FAIL)) {

                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,

                                                                  "SIP auth failure (REGISTER) due to user-agent-filter.  Filter \"%s\" User-Agent \"%s\"\n", user_agent_filter,

                                                                  user_agent);

                        }

                        goto end;

                }

        }

 can block a specific User-agent comparing that value in the first nested IF condition.

But my vote goes to xml_curl method !

On Fri, Dec 6, 2013 at 1:41 AM, Brian West <brian@freeswitch.org> wrote:

You guys try way too hard.

sofia_reg.c:                    if (!strcasecmp(var, "user-agent-filter")) {

This is a sofia profile param that you can put a regex in and filter it out.  ;)

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On Dec 5, 2013, at 11:59 AM, Peter Steinbach <lists@telefaks.de> wrote:

> xml_curl looks a server URL with the registration params.
>
> So you will need to set up a web server (e.g. with apache/php, Ruby, Perl, Python or anything else), manage these parameters and return an XML to Freeswitch based on the parameters.
> Some programming skills will be needed for that.
>
> Best regards
> Peter

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