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/* _ _
** _ __ ___ ___ __| | ___ ___| | mod_ssl
** | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL
** | | | | | | (_) | (_| | \__ \__ \ | www.modssl.org
** |_| |_| |_|\___/ \__,_|___|___/___/_| ftp.modssl.org
** |_____|
** ssl_expr.h
** Expression Handling (Header)
*/
/* ====================================================================
* Copyright (c) 1998-2001 Ralf S. Engelschall. 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by
* Ralf S. Engelschall <rse@engelschall.com> for use in the
* mod_ssl project (http://www.modssl.org/)."
*
* 4. The names "mod_ssl" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* rse@engelschall.com.
*
* 5. Products derived from this software may not be called "mod_ssl"
* nor may "mod_ssl" appear in their names without prior
* written permission of Ralf S. Engelschall.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by
* Ralf S. Engelschall <rse@engelschall.com> for use in the
* mod_ssl project (http://www.modssl.org/)."
*
* THIS SOFTWARE IS PROVIDED BY RALF S. ENGELSCHALL ``AS IS'' AND ANY
* EXPRESSED 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 RALF S. ENGELSCHALL OR
* HIS 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.
* ====================================================================
*/
/* ``May all your PUSHes be POPed.'' */
#ifndef SSL_EXPR_H
#define SSL_EXPR_H
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE !FALSE
#endif
#ifndef YY_NULL
#define YY_NULL 0
#endif
#ifndef MIN
#define MIN(a,b) (((a)<(b))?(a):(b))
#endif
#ifndef BOOL
#define BOOL unsigned int
#endif
#ifndef NULL
#define NULL (void *)0
#endif
#ifndef NUL
#define NUL '\0'
#endif
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
typedef enum {
op_NOP, op_ListElement,
op_True, op_False, op_Not, op_Or, op_And, op_Comp,
op_EQ, op_NE, op_LT, op_LE, op_GT, op_GE, op_IN, op_REG, op_NRE,
op_Digit, op_String, op_Regex, op_Var, op_Func
} ssl_expr_node_op;
typedef struct {
ssl_expr_node_op node_op;
void *node_arg1;
void *node_arg2;
} ssl_expr_node;
typedef ssl_expr_node ssl_expr;
typedef struct {
pool *pool;
char *inputbuf;
int inputlen;
char *inputptr;
ssl_expr *expr;
} ssl_expr_info_type;
extern ssl_expr_info_type ssl_expr_info;
extern char *ssl_expr_error;
#define yylval ssl_expr_yylval
#define yyerror ssl_expr_yyerror
#define yyinput ssl_expr_yyinput
extern int ssl_expr_yyparse(void);
extern int ssl_expr_yyerror(char *);
extern int ssl_expr_yylex(void);
extern ssl_expr *ssl_expr_comp(pool *, char *);
extern int ssl_expr_exec(request_rec *, ssl_expr *);
extern char *ssl_expr_get_error(void);
extern ssl_expr *ssl_expr_make(ssl_expr_node_op, void *, void *);
extern BOOL ssl_expr_eval(request_rec *, ssl_expr *);
#endif /* SSL_EXPR_H */
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