ssl_expr.c revision ce9621257ef9e54c1bbe5ad8a5f445a1f211c2dc
/* Copyright 2000-2004 Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* _ _
* _ __ ___ ___ __| | ___ ___| | mod_ssl
* | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL
* | | | | | | (_) | (_| | \__ \__ \ |
* |_| |_| |_|\___/ \__,_|___|___/___/_|
* |_____|
* ssl_expr.c
* Expression Handling
*/
/* ``It is hard to fly with
the eagles when you work
with the turkeys.''
-- Unknown */
#include "mod_ssl.h"
/* _________________________________________________________________
**
** Expression Handling
** _________________________________________________________________
*/
ssl_expr_info_type ssl_expr_info;
char *ssl_expr_error;
ssl_expr *ssl_expr_comp(apr_pool_t *p, char *expr)
{
ssl_expr_info.pool = p;
ssl_expr_info.inputbuf = expr;
ssl_expr_info.inputlen = strlen(expr);
ssl_expr_info.inputptr = ssl_expr_info.inputbuf;
ssl_expr_info.expr = FALSE;
ssl_expr_error = NULL;
if (ssl_expr_yyparse())
return NULL;
return ssl_expr_info.expr;
}
char *ssl_expr_get_error(void)
{
if (ssl_expr_error == NULL)
return "";
return ssl_expr_error;
}
ssl_expr *ssl_expr_make(ssl_expr_node_op op, void *a1, void *a2)
{
ssl_expr *node;
node = (ssl_expr *)apr_palloc(ssl_expr_info.pool, sizeof(ssl_expr));
node->node_op = op;
node->node_arg1 = (char *)a1;
node->node_arg2 = (char *)a2;
return node;
}
int ssl_expr_exec(request_rec *r, ssl_expr *expr)
{
BOOL rc;
rc = ssl_expr_eval(r, expr);
if (ssl_expr_error != NULL)
return (-1);
else
return (rc ? 1 : 0);
}