passwdfile.hxx

SIP（Session Initiation Protocol）是由IETF定义

#ifndef PASSWD_FILE_HXX_
#define PASSWD_FILE_HXX_

/* ====================================================================
 * The Vovida Software License, Version 1.0 
 * 
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 *    and "Vovida Open Communication Application Library (VOCAL)" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 *    may "VOCAL" appear in their name, without prior written
 *    permission of Vovida Networks, Inc.
 * 
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 * 
 * ====================================================================
 * 
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */

static const char* const PasswdFile_hxx_Version =
    "$Id: PasswdFile.hxx,v 1.2 2002/09/26 01:14:03 bko Exp $";

#include <string>
#include <map>
#include "Mutex.hxx"

using Vocal::Threads::Mutex;

/** class to read a password file in the htaccess style.  these are files
    in the form
    <br>
    <pre>
        username:cryptpass
    </pre>
    where cryptpass is the crypted password a la md5.
*/
class PasswdFile
{
    public:
	enum PasswdFileLevel
	{
	    PasswdReadOnly,
	    PasswdReadWrite,
	    PasswdNoAuth
	};

	/// constructor
	PasswdFile(const char* filename);
	/** verify that the user username exists and has password
	    password.  returns true if the password is correct, false
	    if incorrect or the user doesn't exist. */
	PasswdFileLevel verify(std::string username, std::string password);

    private:
        PasswdFile();

        PasswdFile(const PasswdFile&);

	void update();
        Mutex myMutex;
	string myFilename;

        struct PasswordData
        {
                std::string pass;
                PasswdFileLevel level;
        };

	std::map<std::string, PasswordData> myPasswords;
        time_t myLastMod;
};

/* Local Variables: */
/* c-file-style: "stroustrup" */
/* indent-tabs-mode: nil */
/* c-file-offsets: ((access-label . -) (inclass . ++)) */
/* c-basic-offset: 4 */
/* End: */

#endif