summaryrefslogtreecommitdiffstats
path: root/include/util_script.h
blob: b1620c9b3bd90d12712d81444d569b1c746eeb41 (plain)
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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2002 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Portions of this software are based upon public domain software
 * originally written at the National Center for Supercomputing Applications,
 * University of Illinois, Urbana-Champaign.
 */

#ifndef APACHE_UTIL_SCRIPT_H
#define APACHE_UTIL_SCRIPT_H

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @package Apache script tools
 */

#ifndef APACHE_ARG_MAX
#ifdef _POSIX_ARG_MAX
#define APACHE_ARG_MAX _POSIX_ARG_MAX
#else
#define APACHE_ARG_MAX 512
#endif
#endif

/**
 * Create an environment variable out of an Apache table of key-value pairs
 * @param p pool to allocate out of
 * @param t Apache table of key-value pairs
 * @return An array containing the same key-value pairs suitable for
 *         use with an exec call.
 * @deffunc char **ap_create_environment(apr_pool_t *p, apr_table_t *t)
 */
AP_DECLARE(char **) ap_create_environment(apr_pool_t *p, apr_table_t *t);

/**
 * This "cute" little function comes about because the path info on
 * filenames and URLs aren't always the same. So we take the two,
 * and find as much of the two that match as possible.
 * @param uri The uri we are currently parsing
 * @param path_info The current path info
 * @return The length of the path info
 * @deffunc int ap_fine_path_info(const char *uri, const char *path_info)
 */
AP_DECLARE(int) ap_find_path_info(const char *uri, const char *path_info);

/**
 * Add CGI environment variables required by HTTP/1.1 to the request's 
 * environment table
 * @param r the current request
 * @deffunc void ap_add_cgi_vars(request_rec *r)
 */
AP_DECLARE(void) ap_add_cgi_vars(request_rec *r);

/**
 * Add common CGI environment variables to the requests environment table
 * @param r The current request
 * @deffunc void ap_add_common_vars(request_rec *r)
 */
AP_DECLARE(void) ap_add_common_vars(request_rec *r);

/**
 * Read headers output from a script, ensuring that the output is valid.  If
 * the output is valid, then the headers are added to the headers out of the
 * current request
 * @param r The current request
 * @param f The file to read from
 * @param buffer Empty when calling the function.  On output, if there was an
 *               error, the string that cause the error is stored here. 
 * @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR otherwise
 * @deffunc int ap_scan_script_header_err(request_rec *r, apr_file_t *f, char *buffer)
 */ 
AP_DECLARE(int) ap_scan_script_header_err(request_rec *r, apr_file_t *f, char *buffer);

/**
 * Read headers strings from a script, ensuring that the output is valid.  If
 * the output is valid, then the headers are added to the headers out of the
 * current request
 * @param r The current request
 * @param buffer Empty when calling the function.  On output, if there was an
 *               error, the string that cause the error is stored here. 
 * @param termch Pointer to the last character parsed.
 * @param termarg Pointer to an int to capture the last argument parsed.
 * @param args   String arguments to parse consecutively for headers, 
 *               a NULL argument terminates the list.
 * @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR otherwise
 * @deffunc int ap_scan_script_header_err_core(request_rec *r, char *buffer, int (*getsfunc)(char *, int, void *), void *getsfunc_data)
 */ 
AP_DECLARE_NONSTD(int) ap_scan_script_header_err_strs(request_rec *r, 
                                                      char *buffer, 
                                                      const char **termch,
                                                      int *termarg, ...);

/**
 * Read headers output from a script, ensuring that the output is valid.  If
 * the output is valid, then the headers are added to the headers out of the
 * current request
 * @param r The current request
 * @param buffer Empty when calling the function.  On output, if there was an
 *               error, the string that cause the error is stored here. 
 * @param getsfunc Function to read the headers from.  This function should
                   act like gets()
 * @param getsfunc_data The place to read from
 * @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR otherwise
 * @deffunc int ap_scan_script_header_err_core(request_rec *r, char *buffer, int (*getsfunc)(char *, int, void *), void *getsfunc_data)
 */ 
AP_DECLARE(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
				       int (*getsfunc) (char *, int, void *),
				       void *getsfunc_data);

#ifdef __cplusplus
}
#endif

#endif	/* !APACHE_UTIL_SCRIPT_H */