Pidgin plugin - how to get a _client_ DBUS connection

[Michal Witkowski]

I'm trying to write a knotify4 backend for pidgin's notifications using dbus. I've already 
made a simple program that sends an appropriate event to knotify4, which, frankly is a 
huge success already :) The notification appears and I even created a separate profile for 
pidgin.

Now I'm strugling to initialize my purple plugin. I need a DbusGConnection to the 
DBUS_SESSION_BUS. In my short app i did it like this: 
connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
However, during plugin initialization this always returns NULL with no error message. I 
suppose this has something to do with the fact that purple already has such a connection 
elsewhere?

I tried grepping around and found:
connection = purple_dbus_get_connection();
but this segfaults when i try to do dbus_g_proxy_new_for_name with such a connection.

Could someone please guide me how to set up a DBus session/connection from a Pidgin plugin 
to an external application?

cheers,
Michal
  
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