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/*
This file is part of libmicrohttpd
Copyright (C) 2010, 2011, 2012, 2015, 2018 Daniel Pittman and Christian Grothoff
Copyright (C) 2014-2022 Evgeny Grin (Karlson2k)
This library 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 2.1 of the License, or (at your option) any later version.
This library 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 this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file digestauth.c
* @brief Implements HTTP digest authentication
* @author Amr Ali
* @author Matthieu Speder
* @author Christian Grothoff (RFC 7616 support)
* @author Karlson2k (Evgeny Grin)
*/
#ifndef MHD_DIGESTAUTH_H
#define MHD_DIGESTAUTH_H 1
#include "mhd_options.h"
#include "mhd_str.h"
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif /* HAVE_STDBOOL_H */
/**
* The maximum supported size for Digest Auth parameters, like "real",
* "username" etc. This limitation is used only for quoted parameters.
* Parameters without quoted backslash character will be processed as long
* as they fit connection pool (buffer) size.
*/
#define _MHD_AUTH_DIGEST_MAX_PARAM_SIZE (65535)
/**
* Beginning string for any valid Digest Authentication header.
*/
#define _MHD_AUTH_DIGEST_BASE "Digest"
/**
* Parameter of request's Digest Authorization header
*/
struct MHD_RqDAuthParam
{
/**
* The string with length, NOT zero-terminated
*/
struct _MHD_str_w_len value;
/**
* True if string must be "unquoted" before processing.
* This member is false if the string is used in DQUOTE marks, but no
* backslash-escape is used in the string.
*/
bool quoted;
};
/**
* Request client's Digest Authorization header parameters
*/
struct MHD_RqDAuth
{
struct MHD_RqDAuthParam nonce;
struct MHD_RqDAuthParam opaque;
struct MHD_RqDAuthParam algorithm;
struct MHD_RqDAuthParam response;
struct MHD_RqDAuthParam username;
struct MHD_RqDAuthParam username_ext;
struct MHD_RqDAuthParam realm;
struct MHD_RqDAuthParam uri;
struct MHD_RqDAuthParam qop;
struct MHD_RqDAuthParam cnonce;
struct MHD_RqDAuthParam nc;
/**
* True if 'userhash' parameter is used with value 'true'.
*/
bool userhash;
};
#endif /* ! MHD_DIGESTAUTH_H */
/* end of digestauth.h */
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