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Diffstat (limited to 'src/cyrsasl_plain.erl')
| -rw-r--r-- | src/cyrsasl_plain.erl | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/src/cyrsasl_plain.erl b/src/cyrsasl_plain.erl deleted file mode 100644 index 3bdcf8476..000000000 --- a/src/cyrsasl_plain.erl +++ /dev/null @@ -1,94 +0,0 @@ -%%%---------------------------------------------------------------------- -%%% File : cyrsasl_plain.erl -%%% Author : Alexey Shchepin <alexey@process-one.net> -%%% Purpose : PLAIN SASL mechanism -%%% Created : 8 Mar 2003 by Alexey Shchepin <alexey@process-one.net> -%%% -%%% -%%% ejabberd, Copyright (C) 2002-2018 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., -%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -%%% -%%%---------------------------------------------------------------------- - --module(cyrsasl_plain). - --author('alexey@process-one.net'). - --export([start/1, stop/0, mech_new/4, mech_step/2, parse/1, format_error/1]). - --behaviour(cyrsasl). - --record(state, {check_password}). --type error_reason() :: parser_failed | not_authorized. --export_type([error_reason/0]). - -start(_Opts) -> - cyrsasl:register_mechanism(<<"PLAIN">>, ?MODULE, plain). - -stop() -> ok. - --spec format_error(error_reason()) -> {atom(), binary()}. -format_error(parser_failed) -> - {'bad-protocol', <<"Response decoding failed">>}; -format_error(not_authorized) -> - {'not-authorized', <<"Invalid username or password">>}. - -mech_new(_Host, _GetPassword, CheckPassword, _CheckPasswordDigest) -> - {ok, #state{check_password = CheckPassword}}. - -mech_step(State, ClientIn) -> - case prepare(ClientIn) of - [AuthzId, User, Password] -> - case (State#state.check_password)(User, AuthzId, Password) of - {true, AuthModule} -> - {ok, - [{username, User}, {authzid, AuthzId}, - {auth_module, AuthModule}]}; - _ -> {error, not_authorized, User} - end; - _ -> {error, parser_failed} - end. - -prepare(ClientIn) -> - case parse(ClientIn) of - [<<"">>, UserMaybeDomain, Password] -> - case parse_domain(UserMaybeDomain) of - %% <NUL>login@domain<NUL>pwd - [User, _Domain] -> [User, User, Password]; - %% <NUL>login<NUL>pwd - [User] -> [User, User, Password] - end; - [AuthzId, User, Password] -> - case parse_domain(AuthzId) of - %% login@domain<NUL>login<NUL>pwd - [AuthzUser, _Domain] -> [AuthzUser, User, Password]; - %% login<NUL>login<NUL>pwd - [AuthzUser] -> [AuthzUser, User, Password] - end; - _ -> error - end. - -parse(S) -> - binary:split(S, <<0>>, [global]). - -parse_domain(S) -> parse_domain1(binary_to_list(S), "", []). - -parse_domain1([$@ | Cs], S, T) -> - parse_domain1(Cs, "", [list_to_binary(lists:reverse(S)) | T]); -parse_domain1([C | Cs], S, T) -> - parse_domain1(Cs, [C | S], T); -parse_domain1([], S, T) -> - lists:reverse([list_to_binary(lists:reverse(S)) | T]). |