modifications to ejabberd to whitelist registration

ejabberd.cfg diff

~/Desktop/vagrant_1/code/ejabberd/src 176$ diff ejabberd.cfg ejabberd.cfg.example 
368c368
< {acl, admin, {user, "admin1", "localhost"}}.
---
> %%{acl, admin, {user, "aleksey", "localhost"}}.
391,395d390
< %% Unauthenticated users
< %%
< {acl, unauthenticated, {user, "", ""}}.
< 
< %%
450,455d444
< %% Only admins can register accounts, not even unauthenticated users (requires patch)
< %%{access, register_from, [{allow, admin}, {deny, all}]}.
< 
< %% Only authenticated users can register (requires patch)
< {access, register_from, [{deny, unauthenticated}, {allow, all}]}.
< 
458c447
< {registration_timeout, infinity}.
---
> %%{registration_timeout, 600}.
570c559
< 		  {registration_watchers, ["admin1@localhost"]},
---
> 		  %%{registration_watchers, ["[email protected]"]},
576d564
< 			       {allow, "10.0.2.2/8"},
583d570
< 		  {access_from, register_from},

gistfile1.diff

diff --git a/src/mod_register.erl b/src/mod_register.erl
index 8f441a0..e8b13e6 100644
--- a/src/mod_register.erl
+++ b/src/mod_register.erl
@@ -414,10 +414,12 @@ send_registration_notifications(UJID, Source) ->
            ok
     end.
 
-check_from(#jid{user = "", server = ""}, _Server) ->
-       deny;
+% check_from(#jid{user = "", server = ""}, _Server) ->
+%      ?WARNING_MSG("First check_from: deny (always)~n", []),
+%      deny;
 check_from(JID, Server) ->
     Access = gen_mod:get_module_opt(Server, ?MODULE, access_from, none),
+       ?WARNING_MSG("Second check_from: ~p for (Server: ~p, Access:~p, JID: ~p)~n", [acl:match_rule(Server, Access, JID), Server, Access, JID]),
     acl:match_rule(Server, Access, JID).
 
 check_timeout(undefined) ->