Repository navigation
Expand file tree
/
Copy pathphp_embed.c
More file actions
265 lines (220 loc) · 7.44 KB
/
Copy pathphp_embed.c
File metadata and controls
265 lines (220 loc) · 7.44 KB
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
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Edin Kadribasic <edink@php.net> |
+----------------------------------------------------------------------+
*/
#include "php_embed.h"
#include "ext/standard/php_standard.h"
#include "ext/standard/dl_arginfo.h"
#ifdef PHP_WIN32
#include <io.h>
#include <fcntl.h>
#endif
static const char HARDCODED_INI[] =
"html_errors=0\n"
"implicit_flush=1\n"
"output_buffering=0\n"
"max_execution_time=0\n"
"max_input_time=-1\n\0";
#if defined(PHP_WIN32) && defined(ZTS)
ZEND_TSRMLS_CACHE_DEFINE()
#endif
static char* php_embed_read_cookies(void)
{
return NULL;
}
static int php_embed_deactivate(void)
{
fflush(stdout);
return SUCCESS;
}
/* Here we prefer to use write(), which is unbuffered, over fwrite(), which is
* buffered. Using an unbuffered write operation to stdout will ensure PHP's
* output buffering feature does not compete with a SAPI output buffer and
* therefore we avoid situations wherein flushing the output buffer results in
* nondeterministic behavior.
*/
static inline size_t php_embed_single_write(const char *str, size_t str_length)
{
#ifdef PHP_WRITE_STDOUT
zend_long ret;
ret = write(STDOUT_FILENO, str, str_length);
if (ret <= 0) return 0;
return ret;
#else
size_t ret;
ret = fwrite(str, 1, MIN(str_length, 16384), stdout);
return ret;
#endif
}
/* SAPIs only have unbuffered write operations. This is because PHP's output
* buffering feature will handle any buffering of the output and invoke the
* SAPI unbuffered write operation when it flushes the buffer.
*/
static size_t php_embed_ub_write(const char *str, size_t str_length)
{
const char *ptr = str;
size_t remaining = str_length;
size_t ret;
while (remaining > 0) {
ret = php_embed_single_write(ptr, remaining);
if (!ret) {
php_handle_aborted_connection();
}
ptr += ret;
remaining -= ret;
}
return str_length;
}
static void php_embed_flush(void *server_context)
{
if (fflush(stdout)==EOF) {
php_handle_aborted_connection();
}
}
static void php_embed_send_header(sapi_header_struct *sapi_header, void *server_context)
{
}
/* The SAPI error logger that is called when the 'error_log' INI setting is not
* set.
*
* https://www.php.net/manual/en/errorfunc.configuration.php#ini.error-log
*/
static void php_embed_log_message(const char *message, int syslog_type_int)
{
fprintf(stderr, "%s\n", message);
}
static void php_embed_register_variables(zval *track_vars_array)
{
php_import_environment_variables(track_vars_array);
}
/* Module initialization (MINIT) */
static int php_embed_startup(sapi_module_struct *sapi_module)
{
return php_module_startup(sapi_module, NULL);
}
EMBED_SAPI_API sapi_module_struct php_embed_module = {
"embed", /* name */
"PHP Embedded Library", /* pretty name */
php_embed_startup, /* startup */
php_module_shutdown_wrapper, /* shutdown */
NULL, /* activate */
php_embed_deactivate, /* deactivate */
php_embed_ub_write, /* unbuffered write */
php_embed_flush, /* flush */
NULL, /* get uid */
NULL, /* getenv */
php_error, /* error handler */
NULL, /* header handler */
NULL, /* send headers handler */
php_embed_send_header, /* send header handler */
NULL, /* read POST data */
php_embed_read_cookies, /* read Cookies */
php_embed_register_variables, /* register server variables */
php_embed_log_message, /* Log message */
NULL, /* Get request time */
NULL, /* Child terminate */
STANDARD_SAPI_MODULE_PROPERTIES
};
/* }}} */
static const zend_function_entry additional_functions[] = {
ZEND_FE(dl, arginfo_dl)
ZEND_FE_END
};
EMBED_SAPI_API int php_embed_init(int argc, char **argv)
{
#if defined(SIGPIPE) && defined(SIG_IGN)
signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE in standalone mode so
that sockets created via fsockopen()
don't kill PHP if the remote site
closes it. in apache|apxs mode apache
does that for us! thies@thieso.net
20000419 */
#endif
#ifdef ZTS
php_tsrm_startup();
# ifdef PHP_WIN32
ZEND_TSRMLS_CACHE_UPDATE();
# endif
#endif
zend_signal_startup();
/* SAPI initialization (SINIT)
*
* Initialize the SAPI globals (memset to 0). After this point we can set
* SAPI globals via the SG() macro.
*
* Reentrancy startup.
*
* This also sets 'php_embed_module.ini_entries = NULL' so we cannot
* allocate the INI entries until after this call.
*/
sapi_startup(&php_embed_module);
#ifdef PHP_WIN32
_fmode = _O_BINARY; /*sets default for file streams to binary */
_setmode(_fileno(stdin), O_BINARY); /* make the stdio mode be binary */
_setmode(_fileno(stdout), O_BINARY); /* make the stdio mode be binary */
_setmode(_fileno(stderr), O_BINARY); /* make the stdio mode be binary */
#endif
/* This hard-coded string of INI settings is parsed and read into PHP's
* configuration hash table at the very end of php_init_config(). This
* means these settings will overwrite any INI settings that were set from
* an INI file.
*
* To provide overwritable INI defaults, hook the ini_defaults function
* pointer that is part of the sapi_module_struct
* (php_embed_module.ini_defaults).
*
* void (*ini_defaults)(HashTable *configuration_hash);
*
* This callback is invoked as soon as the configuration hash table is
* allocated so any INI settings added via this callback will have the
* lowest precedence and will allow INI files to overwrite them.
*/
php_embed_module.ini_entries = HARDCODED_INI;
/* SAPI-provided functions. */
php_embed_module.additional_functions = additional_functions;
if (argv) {
php_embed_module.executable_location = argv[0];
}
/* Module initialization (MINIT) */
if (php_embed_module.startup(&php_embed_module) == FAILURE) {
return FAILURE;
}
/* Do not chdir to the script's directory. This is akin to calling the CGI
* SAPI with '-C'.
*/
SG(options) |= SAPI_OPTION_NO_CHDIR;
SG(request_info).argc=argc;
SG(request_info).argv=argv;
/* Request initialization (RINIT) */
if (php_request_startup() == FAILURE) {
php_module_shutdown();
return FAILURE;
}
SG(headers_sent) = 1;
SG(request_info).no_headers = 1;
php_register_variable("PHP_SELF", "-", NULL);
return SUCCESS;
}
EMBED_SAPI_API void php_embed_shutdown(void)
{
/* Request shutdown (RSHUTDOWN) */
php_request_shutdown((void *) 0);
/* Module shutdown (MSHUTDOWN) */
php_module_shutdown();
/* SAPI shutdown (SSHUTDOWN) */
sapi_shutdown();
#ifdef ZTS
tsrm_shutdown();
#endif
}