* Fixed crashes with repeated registering/unregisitering of request methods (noticed...
[m6w6/ext-http] / http.c
1 /*
2 +--------------------------------------------------------------------+
3 | PECL :: http |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2004-2007, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 /* $Id$ */
14
15 #define HTTP_WANT_SAPI
16 #define HTTP_WANT_CURL
17 #define HTTP_WANT_ZLIB
18 #define HTTP_WANT_MAGIC
19 #include "php_http.h"
20
21 #include "php_ini.h"
22 #include "ext/standard/info.h"
23 #include "zend_extensions.h"
24
25 #include "php_http_api.h"
26 #include "php_http_cache_api.h"
27 #include "php_http_cookie_api.h"
28 #include "php_http_encoding_api.h"
29 #include "php_http_filter_api.h"
30 #include "php_http_message_api.h"
31 #include "php_http_persistent_handle_api.h"
32 #include "php_http_request_api.h"
33 #include "php_http_request_datashare_api.h"
34 #include "php_http_request_method_api.h"
35 #include "php_http_request_pool_api.h"
36 #include "php_http_send_api.h"
37 #include "php_http_url_api.h"
38
39 #include "php_http_deflatestream_object.h"
40 #include "php_http_exception_object.h"
41 #include "php_http_inflatestream_object.h"
42 #include "php_http_message_object.h"
43 #include "php_http_querystring_object.h"
44 #include "php_http_request_object.h"
45 #include "php_http_requestdatashare_object.h"
46 #include "php_http_requestpool_object.h"
47 #include "php_http_response_object.h"
48 #include "php_http_util_object.h"
49
50 ZEND_DECLARE_MODULE_GLOBALS(http);
51 HTTP_DECLARE_ARG_PASS_INFO();
52
53 #ifdef COMPILE_DL_HTTP
54 ZEND_GET_MODULE(http)
55 #endif
56
57 /* {{{ http_functions[] */
58 zend_function_entry http_functions[] = {
59 PHP_FE(http_date, NULL)
60 PHP_FE(http_build_url, http_arg_pass_ref_4)
61 PHP_FE(http_build_str, NULL)
62 #ifndef ZEND_ENGINE_2
63 PHP_FALIAS(http_build_query, http_build_str, NULL)
64 #endif
65 PHP_FE(http_negotiate_language, http_arg_pass_ref_2)
66 PHP_FE(http_negotiate_charset, http_arg_pass_ref_2)
67 PHP_FE(http_negotiate_content_type, http_arg_pass_ref_2)
68 PHP_FE(http_redirect, NULL)
69 PHP_FE(http_throttle, NULL)
70 PHP_FE(http_send_status, NULL)
71 PHP_FE(http_send_last_modified, NULL)
72 PHP_FE(http_send_content_type, NULL)
73 PHP_FE(http_send_content_disposition, NULL)
74 PHP_FE(http_match_modified, NULL)
75 PHP_FE(http_match_etag, NULL)
76 PHP_FE(http_cache_last_modified, NULL)
77 PHP_FE(http_cache_etag, NULL)
78 PHP_FE(http_send_data, NULL)
79 PHP_FE(http_send_file, NULL)
80 PHP_FE(http_send_stream, NULL)
81 PHP_FE(http_chunked_decode, NULL)
82 PHP_FE(http_parse_message, NULL)
83 PHP_FE(http_parse_headers, NULL)
84 PHP_FE(http_parse_cookie, NULL)
85 PHP_FE(http_build_cookie, NULL)
86 PHP_FE(http_parse_params, NULL)
87 PHP_FE(http_get_request_headers, NULL)
88 PHP_FE(http_get_request_body, NULL)
89 PHP_FE(http_get_request_body_stream, NULL)
90 PHP_FE(http_match_request_header, NULL)
91 PHP_FE(http_persistent_handles_count, NULL)
92 PHP_FE(http_persistent_handles_clean, NULL)
93 PHP_FE(http_persistent_handles_ident, NULL)
94 #ifdef HTTP_HAVE_CURL
95 PHP_FE(http_get, http_arg_pass_ref_3)
96 PHP_FE(http_head, http_arg_pass_ref_3)
97 PHP_FE(http_post_data, http_arg_pass_ref_4)
98 PHP_FE(http_post_fields, http_arg_pass_ref_5)
99 PHP_FE(http_put_data, http_arg_pass_ref_4)
100 PHP_FE(http_put_file, http_arg_pass_ref_4)
101 PHP_FE(http_put_stream, http_arg_pass_ref_4)
102 PHP_FE(http_request, http_arg_pass_ref_5)
103 PHP_FE(http_request_body_encode, NULL)
104 #endif
105 PHP_FE(http_request_method_register, NULL)
106 PHP_FE(http_request_method_unregister, NULL)
107 PHP_FE(http_request_method_exists, NULL)
108 PHP_FE(http_request_method_name, NULL)
109 PHP_FE(ob_etaghandler, NULL)
110 #ifdef HTTP_HAVE_ZLIB
111 PHP_FE(http_deflate, NULL)
112 PHP_FE(http_inflate, NULL)
113 PHP_FE(ob_deflatehandler, NULL)
114 PHP_FE(ob_inflatehandler, NULL)
115 #endif
116 PHP_FE(http_support, NULL)
117
118 EMPTY_FUNCTION_ENTRY
119 };
120 /* }}} */
121
122 PHP_MINIT_FUNCTION(http);
123 PHP_MSHUTDOWN_FUNCTION(http);
124 PHP_RINIT_FUNCTION(http);
125 PHP_RSHUTDOWN_FUNCTION(http);
126 PHP_MINFO_FUNCTION(http);
127
128 /* {{{ http_module_dep */
129 #if ZEND_EXTENSION_API_NO >= 220050617
130 static zend_module_dep http_module_deps[] = {
131 # ifdef HTTP_HAVE_SPL
132 ZEND_MOD_REQUIRED("spl")
133 # endif
134 # ifdef HTTP_HAVE_HASH
135 ZEND_MOD_REQUIRED("hash")
136 # endif
137 # ifdef HTTP_HAVE_SESSION
138 ZEND_MOD_REQUIRED("session")
139 # endif
140 # ifdef HTTP_HAVE_ICONV
141 ZEND_MOD_REQUIRED("iconv")
142 # endif
143 {NULL, NULL, NULL, 0}
144 };
145 #endif
146 /* }}} */
147
148 /* {{{ http_module_entry */
149 zend_module_entry http_module_entry = {
150 #if ZEND_EXTENSION_API_NO >= 220050617
151 STANDARD_MODULE_HEADER_EX, NULL,
152 http_module_deps,
153 #else
154 STANDARD_MODULE_HEADER,
155 #endif
156 "http",
157 http_functions,
158 PHP_MINIT(http),
159 PHP_MSHUTDOWN(http),
160 PHP_RINIT(http),
161 PHP_RSHUTDOWN(http),
162 PHP_MINFO(http),
163 PHP_EXT_HTTP_VERSION,
164 STANDARD_MODULE_PROPERTIES
165 };
166 /* }}} */
167
168 int http_module_number;
169
170 /* {{{ http_globals */
171 static void http_globals_init_once(zend_http_globals *G)
172 {
173 memset(G, 0, sizeof(zend_http_globals));
174 }
175
176 #define http_globals_init(g) _http_globals_init((g) TSRMLS_CC)
177 static inline void _http_globals_init(zend_http_globals *G TSRMLS_DC)
178 {
179 #ifdef HTTP_HAVE_SAPI_RTIME
180 G->request.time = sapi_get_request_time(TSRMLS_C);
181 #else
182 G->request.time = time(NULL);
183 #endif
184 G->send.buffer_size = 0;
185 G->read_post_data = 0;
186 }
187
188 #define http_globals_free(g) _http_globals_free((g) TSRMLS_CC)
189 static inline void _http_globals_free(zend_http_globals *G TSRMLS_DC)
190 {
191 if (G->request.headers) {
192 zend_hash_destroy(G->request.headers);
193 FREE_HASHTABLE(G->request.headers);
194 G->request.headers = NULL;
195 }
196 STR_SET(G->send.content_type, NULL);
197 STR_SET(G->send.unquoted_etag, NULL);
198 if (G->server_var) {
199 zval_ptr_dtor(&G->server_var);
200 G->server_var = NULL;
201 }
202 }
203
204 #if PHP_DEBUG
205 zend_http_globals *http_globals(void)
206 {
207 TSRMLS_FETCH();
208 return HTTP_G;
209 }
210 #endif
211 /* }}} */
212
213 /* {{{ static inline void http_check_allowed_methods(char *) */
214 #define http_check_allowed_methods(m) _http_check_allowed_methods((m) TSRMLS_CC)
215 static inline void _http_check_allowed_methods(const char *methods TSRMLS_DC)
216 {
217 if (*methods && SG(request_info).request_method) {
218 if (SUCCESS != http_check_method_ex(SG(request_info).request_method, methods)) {
219 char *header;
220 spprintf(&header, 0, "Allow: %s", methods);
221 http_exit(405, header);
222 }
223 }
224 }
225 /* }}} */
226
227 /* {{{ PHP_INI */
228 PHP_INI_MH(http_update_allowed_methods)
229 {
230 if (*new_value) {
231 http_check_allowed_methods(new_value);
232 }
233 return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
234 }
235 PHP_INI_MH(http_update_persistent_handle_ident)
236 {
237 HTTP_G->persistent.handles.ident.h = zend_hash_func(new_value, HTTP_G->persistent.handles.ident.l = new_value_length+1);
238 return OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
239 }
240
241 #ifndef ZEND_ENGINE_2
242 # define OnUpdateLong OnUpdateInt
243 #endif
244
245 PHP_INI_BEGIN()
246 HTTP_PHP_INI_ENTRY("http.etag.mode", "MD5", PHP_INI_ALL, OnUpdateString, etag.mode)
247 HTTP_PHP_INI_ENTRY("http.log.cache", "", PHP_INI_ALL, OnUpdateString, log.cache)
248 HTTP_PHP_INI_ENTRY("http.log.redirect", "", PHP_INI_ALL, OnUpdateString, log.redirect)
249 HTTP_PHP_INI_ENTRY("http.log.not_found", "", PHP_INI_ALL, OnUpdateString, log.not_found)
250 HTTP_PHP_INI_ENTRY("http.log.allowed_methods", "", PHP_INI_ALL, OnUpdateString, log.allowed_methods)
251 HTTP_PHP_INI_ENTRY("http.log.composite", "", PHP_INI_ALL, OnUpdateString, log.composite)
252 HTTP_PHP_INI_ENTRY("http.request.methods.allowed", "", PHP_INI_ALL, http_update_allowed_methods, request.methods.allowed)
253 HTTP_PHP_INI_ENTRY("http.request.methods.custom", "", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateString, request.methods.custom)
254 #if defined(ZEND_ENGINE_2) && defined(HTTP_HAVE_CURL)
255 HTTP_PHP_INI_ENTRY("http.request.datashare.cookie", "0", PHP_INI_SYSTEM, OnUpdateBool, request.datashare.cookie)
256 HTTP_PHP_INI_ENTRY("http.request.datashare.dns", "1", PHP_INI_SYSTEM, OnUpdateBool, request.datashare.dns)
257 HTTP_PHP_INI_ENTRY("http.request.datashare.ssl", "0", PHP_INI_SYSTEM, OnUpdateBool, request.datashare.ssl)
258 HTTP_PHP_INI_ENTRY("http.request.datashare.connect", "0", PHP_INI_SYSTEM, OnUpdateBool, request.datashare.connect)
259 #endif
260 #ifdef HTTP_HAVE_ZLIB
261 HTTP_PHP_INI_ENTRY("http.send.inflate.start_auto", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, send.inflate.start_auto)
262 HTTP_PHP_INI_ENTRY("http.send.inflate.start_flags", "0", PHP_INI_ALL, OnUpdateLong, send.inflate.start_flags)
263 HTTP_PHP_INI_ENTRY("http.send.deflate.start_auto", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, send.deflate.start_auto)
264 HTTP_PHP_INI_ENTRY("http.send.deflate.start_flags", "0", PHP_INI_ALL, OnUpdateLong, send.deflate.start_flags)
265 #endif
266 HTTP_PHP_INI_ENTRY("http.persistent.handles.limit", "-1", PHP_INI_SYSTEM, OnUpdateLong, persistent.handles.limit)
267 HTTP_PHP_INI_ENTRY("http.persistent.handles.ident", "GLOBAL", PHP_INI_ALL, http_update_persistent_handle_ident, persistent.handles.ident.s)
268 HTTP_PHP_INI_ENTRY("http.send.not_found_404", "1", PHP_INI_ALL, OnUpdateBool, send.not_found_404)
269 #ifdef ZEND_ENGINE_2
270 HTTP_PHP_INI_ENTRY("http.only_exceptions", "0", PHP_INI_ALL, OnUpdateBool, only_exceptions)
271 #endif
272 HTTP_PHP_INI_ENTRY("http.force_exit", "1", PHP_INI_ALL, OnUpdateBool, force_exit)
273 PHP_INI_END()
274 /* }}} */
275
276 /* {{{ PHP_MINIT_FUNCTION */
277 PHP_MINIT_FUNCTION(http)
278 {
279 http_module_number = module_number;
280 ZEND_INIT_MODULE_GLOBALS(http, http_globals_init_once, NULL);
281 REGISTER_INI_ENTRIES();
282
283 if (0
284 || SUCCESS != PHP_MINIT_CALL(http_persistent_handle) /* first */
285 || SUCCESS != PHP_MINIT_CALL(http_cookie)
286 #ifdef HTTP_HAVE_ZLIB
287 || SUCCESS != PHP_MINIT_CALL(http_encoding)
288 #endif
289 #ifdef HTTP_HAVE_CURL
290 || SUCCESS != PHP_MINIT_CALL(http_request)
291 # ifdef ZEND_ENGINE_2
292 # endif
293 #endif
294 || SUCCESS != PHP_MINIT_CALL(http_request_method)
295 || SUCCESS != PHP_MINIT_CALL(http_send)
296 || SUCCESS != PHP_MINIT_CALL(http_support)
297 || SUCCESS != PHP_MINIT_CALL(http_url)
298
299 #ifdef ZEND_ENGINE_2
300 || SUCCESS != PHP_MINIT_CALL(http_filter)
301 || SUCCESS != PHP_MINIT_CALL(http_exception_object)
302 # ifdef HTTP_HAVE_ZLIB
303 || SUCCESS != PHP_MINIT_CALL(http_deflatestream_object)
304 || SUCCESS != PHP_MINIT_CALL(http_inflatestream_object)
305 # endif
306 || SUCCESS != PHP_MINIT_CALL(http_message_object)
307 || SUCCESS != PHP_MINIT_CALL(http_querystring_object)
308 # ifdef HTTP_HAVE_CURL
309 || SUCCESS != PHP_MINIT_CALL(http_request_datashare)
310 || SUCCESS != PHP_MINIT_CALL(http_request_pool)
311 || SUCCESS != PHP_MINIT_CALL(http_request_object)
312 || SUCCESS != PHP_MINIT_CALL(http_requestdatashare_object)
313 || SUCCESS != PHP_MINIT_CALL(http_requestpool_object)
314 # endif
315 # ifndef WONKY
316 || SUCCESS != PHP_MINIT_CALL(http_response_object)
317 # endif
318 || SUCCESS != PHP_MINIT_CALL(http_util_object)
319 #endif
320 ) {
321 return FAILURE;
322 }
323
324 return SUCCESS;
325 }
326 /* }}} */
327
328 /* {{{ PHP_MSHUTDOWN_FUNCTION */
329 PHP_MSHUTDOWN_FUNCTION(http)
330 {
331 UNREGISTER_INI_ENTRIES();
332
333 if (0
334 #ifdef HTTP_HAVE_CURL
335 || SUCCESS != PHP_MSHUTDOWN_CALL(http_request)
336 # ifdef ZEND_ENGINE_2
337 || SUCCESS != PHP_MSHUTDOWN_CALL(http_request_datashare)
338 # endif
339 #endif
340 || SUCCESS != PHP_MSHUTDOWN_CALL(http_persistent_handle) /* last */
341 ) {
342 return FAILURE;
343 }
344
345 return SUCCESS;
346 }
347 /* }}} */
348
349 /* {{{ PHP_RINIT_FUNCTION */
350 PHP_RINIT_FUNCTION(http)
351 {
352 http_globals_init(HTTP_G);
353
354 if (HTTP_G->request.methods.allowed && *HTTP_G->request.methods.allowed) {
355 http_check_allowed_methods(HTTP_G->request.methods.allowed);
356 }
357
358 if (0
359 #ifdef HTTP_HAVE_ZLIB
360 || SUCCESS != PHP_RINIT_CALL(http_encoding)
361 #endif
362 #ifdef HTTP_HAVE_CURL
363 # ifdef ZEND_ENGINE_2
364 || SUCCESS != PHP_RINIT_CALL(http_request_datashare)
365 # endif
366 #endif
367 || SUCCESS != PHP_RINIT_CALL(http_request_method)
368 ) {
369 return FAILURE;
370 }
371
372 return SUCCESS;
373 }
374 /* }}} */
375
376 /* {{{ PHP_RSHUTDOWN_FUNCTION */
377 PHP_RSHUTDOWN_FUNCTION(http)
378 {
379 STATUS status = SUCCESS;
380
381 if (0
382 #ifdef HTTP_HAVE_ZLIB
383 || SUCCESS != PHP_RSHUTDOWN_CALL(http_encoding)
384 #endif
385 #ifdef HTTP_HAVE_CURL
386 # ifdef ZEND_ENGINE_2
387 || SUCCESS != PHP_RSHUTDOWN_CALL(http_request_datashare)
388 # endif
389 #endif
390 || SUCCESS != PHP_RSHUTDOWN_CALL(http_request_method)
391 ) {
392 status = FAILURE;
393 }
394
395 http_globals_free(HTTP_G);
396 return status;
397 }
398 /* }}} */
399
400 /* {{{ PHP_MINFO_FUNCTION */
401 PHP_MINFO_FUNCTION(http)
402 {
403 php_info_print_table_start();
404 {
405 php_info_print_table_row(2, "HTTP Support", "enabled");
406 php_info_print_table_row(2, "Extension Version", PHP_EXT_HTTP_VERSION);
407 php_info_print_table_row(2, "Registered Classes",
408 #ifndef ZEND_ENGINE_2
409 "none"
410 #else
411 "HttpUtil, "
412 "HttpMessage, "
413 # ifdef HTTP_HAVE_CURL
414 "HttpRequest, "
415 "HttpRequestPool, "
416 "HttpRequestDataShare, "
417 # endif
418 # ifdef HTTP_HAVE_ZLIB
419 "HttpDeflateStream, "
420 "HttpInflateStream, "
421 # endif
422 # ifndef WONKY
423 "HttpResponse, "
424 # endif
425 "HttpQueryString"
426 #endif
427 );
428 php_info_print_table_row(2, "Output Handlers", "ob_deflatehandler, ob_inflatehandler, ob_etaghandler");
429 php_info_print_table_row(2, "Stream Filters",
430 #ifndef ZEND_ENGINE_2
431 "none"
432 #else
433 "http.chunked_decode, http.chunked_encode, http.deflate, http.inflate"
434 #endif
435 );
436 }
437 php_info_print_table_end();
438
439 php_info_print_table_start();
440 php_info_print_table_header(3, "Used Library", "Compiled", "Linked");
441 {
442 #ifdef HTTP_HAVE_CURL
443 curl_version_info_data *cv = curl_version_info(CURLVERSION_NOW);
444 php_info_print_table_row(3, "libcurl", LIBCURL_VERSION, cv->version);
445 #else
446 php_info_print_table_row(2, "libcurl", "disabled", "disabled");
447 #endif
448 #ifdef HTTP_HAVE_ZLIB
449 php_info_print_table_row(3, "libz", ZLIB_VERSION, zlibVersion());
450 #else
451 php_info_print_table_row(3, "libz", "disabled", "disabled");
452 #endif
453 #if defined(HTTP_HAVE_MAGIC)
454 php_info_print_table_row(3, "libmagic", "unknown", "unknown");
455 #else
456 php_info_print_table_row(3, "libmagic", "disabled", "disabled");
457 #endif
458 }
459 php_info_print_table_end();
460
461 php_info_print_table_start();
462 php_info_print_table_colspan_header(4, "Persistent Handles");
463 php_info_print_table_header(4, "Provider", "Ident", "Used", "Free");
464 {
465 HashTable *ht;
466 HashPosition pos1, pos2;
467 HashKey provider = initHashKey(0), ident = initHashKey(0);
468 zval **val, **sub, **zused, **zfree;
469
470 if ((ht = http_persistent_handle_statall()) && zend_hash_num_elements(ht)) {
471 FOREACH_HASH_KEYVAL(pos1, ht, provider, val) {
472 if (zend_hash_num_elements(Z_ARRVAL_PP(val))) {
473 FOREACH_KEYVAL(pos2, *val, ident, sub) {
474 if ( SUCCESS == zend_hash_find(Z_ARRVAL_PP(sub), ZEND_STRS("used"), (void *) &zused) &&
475 SUCCESS == zend_hash_find(Z_ARRVAL_PP(sub), ZEND_STRS("free"), (void *) &zfree)) {
476 convert_to_string(*zused);
477 convert_to_string(*zfree);
478 php_info_print_table_row(4, provider.str, ident.str, Z_STRVAL_PP(zused), Z_STRVAL_PP(zfree));
479 } else {
480 php_info_print_table_row(4, provider.str, ident.str, "0", "0");
481 }
482 }
483 } else {
484 php_info_print_table_row(4, provider.str, "N/A", "0", "0");
485 }
486 }
487 } else {
488 php_info_print_table_row(4, "N/A", "N/A", "0", "0");
489 }
490 if (ht) {
491 zend_hash_destroy(ht);
492 FREE_HASHTABLE(ht);
493 }
494 }
495 php_info_print_table_end();
496
497 php_info_print_table_start();
498 php_info_print_table_colspan_header(2, "Request Methods");
499 {
500 HashPosition pos;
501 phpstr *methods = phpstr_new();
502 char **name;
503
504 FOREACH_HASH_VAL(pos, &HTTP_G->request.methods.registered, name) {
505 if (pos->h) {
506 phpstr_appendf(methods, "%s, ", *name);
507 }
508 }
509 phpstr_fix(methods);
510 php_info_print_table_row(2, "Registered", PHPSTR_VAL(methods));
511 php_info_print_table_row(2, "Allowed", *HTTP_G->request.methods.allowed ? HTTP_G->request.methods.allowed : "(ANY)");
512 phpstr_free(&methods);
513 }
514 php_info_print_table_end();
515
516 DISPLAY_INI_ENTRIES();
517 }
518 /* }}} */
519
520 /*
521 * Local variables:
522 * tab-width: 4
523 * c-basic-offset: 4
524 * End:
525 * vim600: noet sw=4 ts=4 fdm=marker
526 * vim<600: noet sw=4 ts=4
527 */
528