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https://github.com/processone/ejabberd.git
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d625fc80fc
'vsn' because it doesn't provide any worth feature, and it difficults hot code update (EJAB-440) SVN Revision: 1044
57 lines
1.3 KiB
Erlang
57 lines
1.3 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : cyrsasl_plain.erl
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%%% Author : Alexey Shchepin <alexey@sevcom.net>
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%%% Purpose : PLAIN SASL mechanism
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%%% Created : 8 Mar 2003 by Alexey Shchepin <alexey@sevcom.net>
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%%% Id : $Id$
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%%%----------------------------------------------------------------------
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-module(cyrsasl_plain).
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-author('alexey@sevcom.net').
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-export([start/1, stop/0, mech_new/3, mech_step/2, parse/1]).
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-behaviour(cyrsasl).
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-record(state, {check_password}).
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start(_Opts) ->
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cyrsasl:register_mechanism("PLAIN", ?MODULE, false),
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ok.
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stop() ->
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ok.
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mech_new(_Host, _GetPassword, CheckPassword) ->
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{ok, #state{check_password = CheckPassword}}.
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mech_step(State, ClientIn) ->
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case parse(ClientIn) of
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[AuthzId, User, Password] ->
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case (State#state.check_password)(User, Password) of
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true ->
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{ok, [{username, User}, {authzid, AuthzId}]};
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_ ->
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{error, "not-authorized", User}
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end;
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_ ->
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{error, "bad-protocol"}
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end.
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parse(S) ->
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parse1(S, "", []).
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parse1([0 | Cs], S, T) ->
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parse1(Cs, "", [lists:reverse(S) | T]);
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parse1([C | Cs], S, T) ->
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parse1(Cs, [C | S], T);
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%parse1([], [], T) ->
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% lists:reverse(T);
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parse1([], S, T) ->
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lists:reverse([lists:reverse(S) | T]).
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