%%%----------------------------------------------------------------------
%%% File : mod_version.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : XEP-0092: Software Version
%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2008 Process-one
%%%
%%% This program is free software; you can redistribute it and/or
%%% modify it under the terms of the GNU General Public License as
%%% published by the Free Software Foundation; either version 2 of the
%%% License, or (at your option) any later version.
%%%
%%% This program is distributed in the hope that it will be useful,
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
%%% General Public License for more details.
%%%
%%% You should have received a copy of the GNU General Public License
%%% along with this program; if not, write to the Free Software
%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
%%%----------------------------------------------------------------------
-module(mod_version).
-author('alexey@process-one.net').
-behaviour(gen_mod).
-export([start/2,
stop/1,
process_local_iq/3]).
-include("ejabberd.hrl").
-include("jlib.hrl").
start(Host, Opts) ->
IQDisc = gen_mod:get_opt(iqdisc, Opts, one_queue),
gen_iq_handler:add_iq_handler(ejabberd_local, Host, ?NS_VERSION,
?MODULE, process_local_iq, IQDisc).
stop(Host) ->
gen_iq_handler:remove_iq_handler(ejabberd_local, Host, ?NS_VERSION).
process_local_iq(_From, To, #iq{id = _ID, type = Type,
xmlns = _XMLNS, sub_el = SubEl} = IQ) ->
case Type of
set ->
IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
get ->
Host = To#jid.server,
OS = case gen_mod:get_module_opt(Host, ?MODULE, show_os, true) of
true -> [get_os()];
false -> []
end,
IQ#iq{type = result,
sub_el = [{xmlelement, "query",
[{"xmlns", ?NS_VERSION}],
[{xmlelement, "name", [],
[{xmlcdata, "ejabberd"}]},
{xmlelement, "version", [],
[{xmlcdata, ?VERSION}]}
] ++ OS
}]}
end.
get_os() ->
OSType = case os:type() of
{Osfamily, Osname} ->
atom_to_list(Osfamily) ++ "/" ++
atom_to_list(Osname);
Osfamily ->
atom_to_list(Osfamily)
end,
OSVersion = case os:version() of
{Major, Minor, Release} ->
lists:flatten(
io_lib:format("~w.~w.~w",
[Major, Minor, Release]));
VersionString ->
VersionString
end,
OS = OSType ++ " " ++ OSVersion,
{xmlelement, "os", [], [{xmlcdata, OS}]}.
