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- """
- """
-
- # Created on 2014.01.04
- #
- # Author: Giovanni Cannata
- #
- # Copyright 2014 - 2018 Giovanni Cannata
- #
- # This file is part of ldap3.
- #
- # ldap3 is free software: you can redistribute it and/or modify
- # it under the terms of the GNU Lesser General Public License as published
- # by the Free Software Foundation, either version 3 of the License, or
- # (at your option) any later version.
- #
- # ldap3 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 Lesser General Public License for more details.
- #
- # You should have received a copy of the GNU Lesser General Public License
- # along with ldap3 in the COPYING and COPYING.LESSER files.
- # If not, see <http://www.gnu.org/licenses/>.
-
- # payload for PLAIN mechanism
- # message = [authzid] UTF8NUL authcid UTF8NUL passwd
- # authcid = 1*SAFE ; MUST accept up to 255 octets
- # authzid = 1*SAFE ; MUST accept up to 255 octets
- # passwd = 1*SAFE ; MUST accept up to 255 octets
- # UTF8NUL = %x00 ; UTF-8 encoded NUL character
- #
- # SAFE = UTF1 / UTF2 / UTF3 / UTF4
- # ;; any UTF-8 encoded Unicode character except NUL
- #
- # UTF1 = %x01-7F ;; except NUL
- # UTF2 = %xC2-DF UTF0
- # UTF3 = %xE0 %xA0-BF UTF0 / %xE1-EC 2(UTF0) /
- # %xED %x80-9F UTF0 / %xEE-EF 2(UTF0)
- # UTF4 = %xF0 %x90-BF 2(UTF0) / %xF1-F3 3(UTF0) /
- # %xF4 %x80-8F 2(UTF0)
- # UTF0 = %x80-BF
-
- from ...protocol.sasl.sasl import send_sasl_negotiation
- from .sasl import sasl_prep
- from ...utils.conv import to_raw, to_unicode
-
-
- def sasl_plain(connection, controls):
- authzid = connection.sasl_credentials[0]
- authcid = connection.sasl_credentials[1]
- passwd = connection.sasl_credentials[2]
-
- payload = b''
- if authzid:
- payload += to_raw(sasl_prep(to_unicode(authzid)))
-
- payload += b'\0'
-
- if authcid:
- payload += to_raw(sasl_prep(to_unicode(authcid)))
-
- payload += b'\0'
-
- if passwd:
- payload += to_raw(sasl_prep(to_unicode(passwd)))
-
- result = send_sasl_negotiation(connection, controls, payload)
-
- return result
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