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90 lines
2.5 KiB
90 lines
2.5 KiB
/*
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* $Id: AmUACAuth.h,v 1.1.2.1 2005/08/03 21:01:27 sayer Exp $
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of sems, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _AM_UAC_AUTH_H
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#define _AM_UAC_AUTH_H
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#include "AmCmd.h"
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#include <string>
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#define HASHLEN 16
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typedef unsigned char HASH[HASHLEN];
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#define HASHHEXLEN 32
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typedef unsigned char HASHHEX[HASHHEXLEN+1];
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struct UACAuthDigestChallenge {
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std::string domain;
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std::string realm;
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std::string qop;
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std::string nonce;
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std::string opaque;
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bool stale;
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std::string algorithm;
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};
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class UACAuthCredential {
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std::string user;
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std::string realm;
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std::string pwd;
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unsigned int flags;
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std::string find_attribute(const std::string& name, const std::string& header);
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bool parse_header(const std::string& auth_hdr, UACAuthDigestChallenge& challenge);
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void uac_calc_HA1(UACAuthDigestChallenge& challenge,
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std::string cnonce,
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HASHHEX sess_key);
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void uac_calc_HA2( const std::string& method, const std::string& uri,
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UACAuthDigestChallenge& challenge,
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HASHHEX hentity,
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HASHHEX HA2Hex );
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void uac_calc_response( HASHHEX ha1, HASHHEX ha2,
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UACAuthDigestChallenge& challenge,
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const std::string& nc, const std::string& cnonce,
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HASHHEX response);
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public:
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UACAuthCredential(const std::string& user, const std::string& realm, const std::string& pwd)
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: user(user), realm(realm), pwd(pwd) { }
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/**
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* do auth on cmd with nonce in auth_hdr if possible
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* @return true if successful
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*/
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bool do_auth(AmCmd& cmd, const unsigned int code, const string& auth_hdr);
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};
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#endif
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