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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* @file util_script.h
* @brief Apache script tools
*
* @defgroup APACHE_CORE_SCRIPT Script Tools
* @ingroup APACHE_CORE
* @{
*/
#ifndef APACHE_UTIL_SCRIPT_H
#define APACHE_UTIL_SCRIPT_H
#include "apr_buckets.h"
#include "ap_config.h"
#ifdef __cplusplus
extern "C" {
#endif
#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.
* @fn 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
* @fn int ap_find_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
* @fn 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
* @fn 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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 or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
* @fn 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 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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.
* @param module_index The module index to be used for logging
* @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE(int) ap_scan_script_header_err_ex(request_rec *r, apr_file_t *f,
char *buffer, int module_index);
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @param r The current request
* @param bb The brigade from which to read
* @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 or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
* @fn int ap_scan_script_header_err_brigade(request_rec *r, apr_bucket_brigade *bb, char *buffer)
*/
AP_DECLARE(int) ap_scan_script_header_err_brigade(request_rec *r,
apr_bucket_brigade *bb,
char *buffer);
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @param r The current request
* @param bb The brigade from which to read
* @param buffer Empty when calling the function. On output, if there was an
* error, the string that cause the error is stored here.
* @param module_index The module index to be used for logging
* @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE(int) ap_scan_script_header_err_brigade_ex(request_rec *r,
apr_bucket_brigade *bb,
char *buffer,
int module_index);
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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.
*
* The varargs are string arguments to parse consecutively for headers,
* with a NULL argument to terminate the list.
*
* @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE_NONSTD(int) ap_scan_script_header_err_strs(request_rec *r,
char *buffer,
const char **termch,
int *termarg, ...)
AP_FN_ATTR_SENTINEL;
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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 module_index The module index to be used for logging
* @param termch Pointer to the last character parsed.
* @param termarg Pointer to an int to capture the last argument parsed.
*
* The varargs are string arguments to parse consecutively for headers,
* with a NULL argument to terminate the list.
*
* @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE_NONSTD(int) ap_scan_script_header_err_strs_ex(request_rec *r,
char *buffer,
int module_index,
const char **termch,
int *termarg, ...)
AP_FN_ATTR_SENTINEL;
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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 or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE(int) ap_scan_script_header_err_core(request_rec *r, char *buffer,
int (*getsfunc) (char *, int, void *),
void *getsfunc_data);
/**
* 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. If the request method is GET or HEAD and the script's
* response will not meet the request's HTTP conditions, a conditional status
* code is returned.
* @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
* @param module_index The module index to be used for logging
* @return HTTP_OK on success, HTTP_INTERNAL_SERVER_ERROR or other 5xx status
* code on failure, or a conditional status code (HTTP_NOT_MODIFIED or
* HTTP_PRECONDITION_FAILED) to indicate that the script's response does
* not meet the request's conditions
*/
AP_DECLARE(int) ap_scan_script_header_err_core_ex(request_rec *r, char *buffer,
int (*getsfunc) (char *, int, void *),
void *getsfunc_data, int module_index);
/**
* Parse query args for the request and store in a new table allocated
* from the request pool.
* For args with no value, "1" will be used instead.
* If no query args were specified, the table will be empty.
* @param r The current request
* @param table A new table on output.
*/
AP_DECLARE(void) ap_args_to_table(request_rec *r, apr_table_t **table);
#define AP_TRUST_CGILIKE_CL_ENVVAR "ap_trust_cgilike_cl"
#ifdef __cplusplus
}
#endif
#endif /* !APACHE_UTIL_SCRIPT_H */
/** @} */
|
