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%%%----------------------------------------------------------------------
%%% 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) 2002-2013 ProcessOne
%%%
%%% 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, fun gen_iq_handler:check_type/1,
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.lserver,
OS = case gen_mod:get_module_opt(Host, ?MODULE, show_os,
fun(B) when is_boolean(B) -> B end,
true)
of
true -> [get_os()];
false -> []
end,
IQ#iq{type = result,
sub_el =
[#xmlel{name = <<"query">>,
attrs = [{<<"xmlns">>, ?NS_VERSION}],
children =
[#xmlel{name = <<"name">>, attrs = [],
children =
[{xmlcdata, <<"ejabberd">>}]},
#xmlel{name = <<"version">>, attrs = [],
children = [{xmlcdata, ?VERSION}]}]
++ OS}]}
end.
get_os() ->
OSType = case os:type() of
{Osfamily, Osname} ->
<<(iolist_to_binary(atom_to_list(Osfamily)))/binary,
"/", (iolist_to_binary(atom_to_list(Osname)))/binary>>;
Osfamily -> iolist_to_binary(atom_to_list(Osfamily))
end,
OSVersion = case os:version() of
{Major, Minor, Release} ->
iolist_to_binary(io_lib:format("~w.~w.~w",
[Major, Minor, Release]));
VersionString -> VersionString
end,
OS = <<OSType/binary, " ", OSVersion/binary>>,
#xmlel{name = <<"os">>, attrs = [],
children = [{xmlcdata, OS}]}.
|
