%{
/**
 * A client-side 802.1x implementation supporting EAP/TLS
 *
 * This code is released under both the GPL version 2 and BSD licenses.
 * Either license may be used.  The respective licenses are found below.
 *
 * Copyright (C) 2002 Bryan D. Payne & Nick L. Petroni Jr.
 * All Rights Reserved
 *
 * --- GPL Version 2 License ---
 * This program 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.
 *
 * This program 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.
 *
 * --- BSD License ---
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - 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.
 *  - All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *       This product includes software developed by the University of
 *       Maryland at College Park and its contributors.
 *  - Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, 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.
 */
/*******************************************************************
 * Tokens for configuration file
 * 
 * File: config_lex.l
 *
 * Authors: bdpayne@cs.umd.edu, npetroni@cs.umd.edu
 *
 * $Id: config_lex.l,v 1.6 2003/03/11 00:13:08 npetroni Exp $
 * $Date: 2003/03/11 00:13:08 $
 * $Log: config_lex.l,v $
 * Revision 1.6  2003/03/11 00:13:08  npetroni
 * allow number-only ssids
 *
 * Revision 1.5  2003/03/11 00:03:16  npetroni
 * added "\" as a valid username character
 *
 * Revision 1.4  2003/03/04 07:11:52  npetroni
 * cleaned up some configuration parsing issues, modifed the test config
 *
 * Revision 1.3  2003/03/04 06:10:08  npetroni
 * changes to allow a program to be run after successful authentication
 *
 * Revision 1.2  2003/03/02 06:40:24  npetroni
 * -allow @ symbol in identities in config_lex.l
 * -added error checking in eap.c to test if there is a valid id before
 *  building idrsp
 *
 * Revision 1.1  2003/03/01 06:55:39  npetroni
 * modified config parse to use lex and yacc for parsing. this may break stuff temporarily, but is good in the long run
 *
 *
 *
 *******************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "config_grammar.h"

int config_linenum = 0;
const char *config_fname;
%}


%%
"id"            { return TK_ID;         }
"cert"          { return TK_CERT;       }
"key"           { return TK_KEY;        }
"root"          { return TK_ROOT;       }
"auth"          { return TK_AUTH;       }
"first_auth"    { return TK_FIRST_AUTH; }
"after_auth"    { return TK_AFTER_AUTH; }
"type"          { return TK_TYPE;       }
"pref"          { return TK_PREF;       }
"chunk_size"    { return TK_CHUNK_SIZE; }
"random_file"   { return TK_RAND_FILE;  }
"="             { return yytext[0];     }
":"		{ return yytext[0];	}


[0123456789]+   {
    		    yylval.str = strdup(yytext);
		    return TK_NUMBER;
                }


[/_\\\.@\-[:alnum:]]+ { 
    		    yylval.str = strdup(yytext);
		    return TK_STRING;
		  }

"\"/".*"\"" {
                  yylval.str = strdup(yytext+1);
                  yylval.str[strlen(yylval.str)-1]= '\0';
                  return TK_COMMAND;
                }


"#".*	       /* skip comments */  

[ \t]+		/* de nada  */

\n		{ config_linenum++;		}
%%

int
yywrap(void)
{
	return 1;
}

int
yyerror(char *e)
{
	fprintf(stderr, "Error %s, %d: %s\n", config_fname, config_linenum, e);
	return 0;
}