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sems/AmUACAuth.h

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2.5 KiB

/*
* $Id: AmUACAuth.h,v 1.1.2.1 2005/08/03 21:01:27 sayer Exp $
*
* Copyright (C) 2002-2003 Fhg Fokus
*
* This file is part of sems, a free SIP media server.
*
* sems 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* sems 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
*/
#ifndef _AM_UAC_AUTH_H
#define _AM_UAC_AUTH_H
#include "AmCmd.h"
#include <string>
#define HASHLEN 16
typedef unsigned char HASH[HASHLEN];
#define HASHHEXLEN 32
typedef unsigned char HASHHEX[HASHHEXLEN+1];
struct UACAuthDigestChallenge {
std::string domain;
std::string realm;
std::string qop;
std::string nonce;
std::string opaque;
bool stale;
std::string algorithm;
};
class UACAuthCredential {
std::string user;
std::string realm;
std::string pwd;
unsigned int flags;
std::string find_attribute(const std::string& name, const std::string& header);
bool parse_header(const std::string& auth_hdr, UACAuthDigestChallenge& challenge);
void uac_calc_HA1(UACAuthDigestChallenge& challenge,
std::string cnonce,
HASHHEX sess_key);
void uac_calc_HA2( const std::string& method, const std::string& uri,
UACAuthDigestChallenge& challenge,
HASHHEX hentity,
HASHHEX HA2Hex );
void uac_calc_response( HASHHEX ha1, HASHHEX ha2,
UACAuthDigestChallenge& challenge,
const std::string& nc, const std::string& cnonce,
HASHHEX response);
public:
UACAuthCredential(const std::string& user, const std::string& realm, const std::string& pwd)
: user(user), realm(realm), pwd(pwd) { }
/**
* do auth on cmd with nonce in auth_hdr if possible
* @return true if successful
*/
bool do_auth(AmCmd& cmd, const unsigned int code, const string& auth_hdr);
};
#endif