%{/* *  sudo version 1.1 allows users to execute commands as root *  Copyright (C) 1991  The Root Group, Inc. * *  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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA. * *  If you make modifications to the source, we would be happy to have *  them to include in future releases.  Feel free to send them to: *      Jeff Nieusma                       nieusma@rootgroup.com *      3959 Arbol CT                      (303) 447-8093 *      Boulder, CO 80301-1752              *//******************************************************************************** parse.yacc, sudo project* David R. Hieb* March 18, 1991** Yacc Specification file for the sudo project.*******************************************************************************/#include <stdio.h>#include "sudo.h"extern int yylineno;extern int parse_error, found_user;yyerror(s)char *s;{fprintf(stderr, ">>> sudoers file: %s, line %d <<<\n", s, yylineno);parse_error = TRUE;}yywrap(){return(1);}%}%start file				/* special start symbol */%token <char_val> IDENT1		/* identifier type 1*/%token <char_val> IDENT2		/* identifier type 2*/%token <char_val> IDENT3		/* identifier type 3*/%token <int_val>  COMMENT		/* comment and/or carriage return */%token <int_val>  ERROR			/* error character(s) */%token <int_val> ':' '=' ',' '!'	/* union member tokens */%%file		:	entry		|	file entry		;entry		:	COMMENT                |       error COMMENT			{ yyerrok; }		|	IDENT1 access_series COMMENT			{ if (call_back(TYPE1, ' ', $1) == FOUND_USER) {				found_user = TRUE;				return(FOUND_USER);				}			  else {				found_user = FALSE;				} }		;access_series	:	access_group		|	access_series ':' access_group		;access_group	:	IDENT2 '=' cmnd_list			{ call_back(TYPE2, ' ', $1); }		;cmnd_list	:	cmnd_type		|	cmnd_list ',' cmnd_type		;cmnd_type	:	IDENT3			{ call_back(TYPE3, ' ', $1); }		|	'!' IDENT3			{ call_back(TYPE3, '!', $2); }		|	IDENT2			{ call_back(TYPE3, ' ', $1); }		|	'!' IDENT2			{ call_back(TYPE3, '!', $2); }		;%%