1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/* _ _
** _ __ ___ ___ __| | ___ ___| | mod_ssl
** | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL
** | | | | | | (_) | (_| | \__ \__ \ | www.modssl.org
** |_| |_| |_|\___/ \__,_|___|___/___/_| ftp.modssl.org
** |_____|
** ssl_expr.c
** Expression Handling
*/
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. 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 end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION OR
* ITS 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.
* ====================================================================
*/
/* ``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);
}
|
