xref: /PHP-8.3/ext/curl/interface.c (revision de60872c)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Author: Sterling Hughes <sterling@php.net>                           |
14    +----------------------------------------------------------------------+
15 */
16 
17 #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS
18 
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22 
23 #include "php.h"
24 #include "Zend/zend_exceptions.h"
25 
26 #include <stdio.h>
27 #include <string.h>
28 
29 #ifdef PHP_WIN32
30 #include <winsock2.h>
31 #include <sys/types.h>
32 #endif
33 
34 #include <curl/curl.h>
35 #include <curl/easy.h>
36 
37 /* As of curl 7.11.1 this is no longer defined inside curl.h */
38 #ifndef HttpPost
39 #define HttpPost curl_httppost
40 #endif
41 
42 /* {{{ cruft for thread safe SSL crypto locks */
43 #if defined(ZTS) && defined(HAVE_CURL_OLD_OPENSSL)
44 # if defined(HAVE_OPENSSL_CRYPTO_H)
45 #  define PHP_CURL_NEED_OPENSSL_TSL
46 #  include <openssl/crypto.h>
47 # else
48 #  warning \
49 	"libcurl was compiled with OpenSSL support, but configure could not find " \
50 	"openssl/crypto.h; thus no SSL crypto locking callbacks will be set, which may " \
51 	"cause random crashes on SSL requests"
52 # endif
53 #endif /* ZTS && HAVE_CURL_OLD_OPENSSL */
54 /* }}} */
55 
56 #define SMART_STR_PREALLOC 4096
57 
58 #include "zend_smart_str.h"
59 #include "ext/standard/info.h"
60 #include "ext/standard/file.h"
61 #include "ext/standard/url.h"
62 #include "curl_private.h"
63 
64 #ifdef __GNUC__
65 /* don't complain about deprecated CURLOPT_* we're exposing to PHP; we
66    need to keep using those to avoid breaking PHP API compatibiltiy */
67 # pragma GCC diagnostic ignored "-Wdeprecated-declarations"
68 #endif
69 
70 #include "curl_arginfo.h"
71 
72 #ifdef PHP_CURL_NEED_OPENSSL_TSL /* {{{ */
73 static MUTEX_T *php_curl_openssl_tsl = NULL;
74 
75 /* Locking callbacks are no longer used since OpenSSL 1.1. Mark the functions as unused to
76  * avoid warnings due to this. */
php_curl_ssl_lock(int mode,int n,const char * file,int line)77 static ZEND_ATTRIBUTE_UNUSED void php_curl_ssl_lock(int mode, int n, const char * file, int line)
78 {
79 	if (mode & CRYPTO_LOCK) {
80 		tsrm_mutex_lock(php_curl_openssl_tsl[n]);
81 	} else {
82 		tsrm_mutex_unlock(php_curl_openssl_tsl[n]);
83 	}
84 }
85 
php_curl_ssl_id(void)86 static ZEND_ATTRIBUTE_UNUSED unsigned long php_curl_ssl_id(void)
87 {
88 	return (unsigned long) tsrm_thread_id();
89 }
90 #endif
91 /* }}} */
92 
93 #define CAAL(s, v) add_assoc_long_ex(return_value, s, sizeof(s) - 1, (zend_long) v);
94 #define CAAD(s, v) add_assoc_double_ex(return_value, s, sizeof(s) - 1, (double) v);
95 #define CAAS(s, v) add_assoc_string_ex(return_value, s, sizeof(s) - 1, (char *) (v ? v : ""));
96 #define CAASTR(s, v) add_assoc_str_ex(return_value, s, sizeof(s) - 1, \
97 		v ? zend_string_copy(v) : ZSTR_EMPTY_ALLOC());
98 #define CAAZ(s, v) add_assoc_zval_ex(return_value, s, sizeof(s) -1 , (zval *) v);
99 
100 #if defined(PHP_WIN32) || defined(__GNUC__)
101 # define php_curl_ret(__ret) RETVAL_FALSE; return __ret;
102 #else
103 # define php_curl_ret(__ret) RETVAL_FALSE; return;
104 #endif
105 
php_curl_option_str(php_curl * ch,zend_long option,const char * str,const size_t len)106 static zend_result php_curl_option_str(php_curl *ch, zend_long option, const char *str, const size_t len)
107 {
108 	if (zend_char_has_nul_byte(str, len)) {
109 		zend_value_error("%s(): cURL option must not contain any null bytes", get_active_function_name());
110 		return FAILURE;
111 	}
112 
113 	CURLcode error = curl_easy_setopt(ch->cp, option, str);
114 	SAVE_CURL_ERROR(ch, error);
115 
116 	return error == CURLE_OK ? SUCCESS : FAILURE;
117 }
118 
php_curl_option_url(php_curl * ch,const zend_string * url)119 static zend_result php_curl_option_url(php_curl *ch, const zend_string *url) /* {{{ */
120 {
121 	/* Disable file:// if open_basedir are used */
122 	if (PG(open_basedir) && *PG(open_basedir)) {
123 		curl_easy_setopt(ch->cp, CURLOPT_PROTOCOLS, CURLPROTO_ALL & ~CURLPROTO_FILE);
124 	}
125 
126 #if LIBCURL_VERSION_NUM > 0x073800 && defined(PHP_WIN32)
127 	if (
128 		zend_string_starts_with_literal_ci(url, "file://")
129 		&& '/' != ZSTR_VAL(url)[sizeof("file://") - 1]
130 		&& ZSTR_LEN(url) < MAXPATHLEN - 2
131 	) {
132 		char _tmp[MAXPATHLEN] = {0};
133 
134 		memmove(_tmp, "file:///", sizeof("file:///") - 1);
135 		memmove(_tmp + sizeof("file:///") - 1, ZSTR_VAL(url) + sizeof("file://") - 1, ZSTR_LEN(url) - sizeof("file://") + 1);
136 
137 		return php_curl_option_str(ch, CURLOPT_URL, _tmp, ZSTR_LEN(url) + 1);
138 	}
139 #endif
140 
141 	return php_curl_option_str(ch, CURLOPT_URL, ZSTR_VAL(url), ZSTR_LEN(url));
142 }
143 /* }}} */
144 
_php_curl_verify_handlers(php_curl * ch,bool reporterror)145 void _php_curl_verify_handlers(php_curl *ch, bool reporterror) /* {{{ */
146 {
147 	php_stream *stream;
148 
149 	ZEND_ASSERT(ch);
150 
151 	if (!Z_ISUNDEF(ch->handlers.std_err)) {
152 		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.std_err, NULL, php_file_le_stream(), php_file_le_pstream());
153 		if (stream == NULL) {
154 			if (reporterror) {
155 				php_error_docref(NULL, E_WARNING, "CURLOPT_STDERR resource has gone away, resetting to stderr");
156 			}
157 			zval_ptr_dtor(&ch->handlers.std_err);
158 			ZVAL_UNDEF(&ch->handlers.std_err);
159 
160 			curl_easy_setopt(ch->cp, CURLOPT_STDERR, stderr);
161 		}
162 	}
163 	if (ch->handlers.read && !Z_ISUNDEF(ch->handlers.read->stream)) {
164 		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.read->stream, NULL, php_file_le_stream(), php_file_le_pstream());
165 		if (stream == NULL) {
166 			if (reporterror) {
167 				php_error_docref(NULL, E_WARNING, "CURLOPT_INFILE resource has gone away, resetting to default");
168 			}
169 			zval_ptr_dtor(&ch->handlers.read->stream);
170 			ZVAL_UNDEF(&ch->handlers.read->stream);
171 			ch->handlers.read->res = NULL;
172 			ch->handlers.read->fp = 0;
173 
174 			curl_easy_setopt(ch->cp, CURLOPT_INFILE, (void *) ch);
175 		}
176 	}
177 	if (ch->handlers.write_header && !Z_ISUNDEF(ch->handlers.write_header->stream)) {
178 		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write_header->stream, NULL, php_file_le_stream(), php_file_le_pstream());
179 		if (stream == NULL) {
180 			if (reporterror) {
181 				php_error_docref(NULL, E_WARNING, "CURLOPT_WRITEHEADER resource has gone away, resetting to default");
182 			}
183 			zval_ptr_dtor(&ch->handlers.write_header->stream);
184 			ZVAL_UNDEF(&ch->handlers.write_header->stream);
185 			ch->handlers.write_header->fp = 0;
186 
187 			ch->handlers.write_header->method = PHP_CURL_IGNORE;
188 			curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER, (void *) ch);
189 		}
190 	}
191 	if (ch->handlers.write && !Z_ISUNDEF(ch->handlers.write->stream)) {
192 		stream = (php_stream *)zend_fetch_resource2_ex(&ch->handlers.write->stream, NULL, php_file_le_stream(), php_file_le_pstream());
193 		if (stream == NULL) {
194 			if (reporterror) {
195 				php_error_docref(NULL, E_WARNING, "CURLOPT_FILE resource has gone away, resetting to default");
196 			}
197 			zval_ptr_dtor(&ch->handlers.write->stream);
198 			ZVAL_UNDEF(&ch->handlers.write->stream);
199 			ch->handlers.write->fp = 0;
200 
201 			ch->handlers.write->method = PHP_CURL_STDOUT;
202 			curl_easy_setopt(ch->cp, CURLOPT_FILE, (void *) ch);
203 		}
204 	}
205 	return;
206 }
207 /* }}} */
208 
209 /* {{{ curl_module_entry */
210 zend_module_entry curl_module_entry = {
211 	STANDARD_MODULE_HEADER,
212 	"curl",
213 	ext_functions,
214 	PHP_MINIT(curl),
215 	PHP_MSHUTDOWN(curl),
216 	NULL,
217 	NULL,
218 	PHP_MINFO(curl),
219 	PHP_CURL_VERSION,
220 	STANDARD_MODULE_PROPERTIES
221 };
222 /* }}} */
223 
224 #ifdef COMPILE_DL_CURL
225 ZEND_GET_MODULE (curl)
226 #endif
227 
228 /* CurlHandle class */
229 
230 zend_class_entry *curl_ce;
231 zend_class_entry *curl_share_ce;
232 static zend_object_handlers curl_object_handlers;
233 
234 static zend_object *curl_create_object(zend_class_entry *class_type);
235 static void curl_free_obj(zend_object *object);
236 static HashTable *curl_get_gc(zend_object *object, zval **table, int *n);
237 static zend_function *curl_get_constructor(zend_object *object);
238 static zend_object *curl_clone_obj(zend_object *object);
239 php_curl *init_curl_handle_into_zval(zval *curl);
240 static inline zend_result build_mime_structure_from_hash(php_curl *ch, zval *zpostfields);
241 
242 /* {{{ PHP_INI_BEGIN */
243 PHP_INI_BEGIN()
244 	PHP_INI_ENTRY("curl.cainfo", "", PHP_INI_SYSTEM, NULL)
PHP_INI_END()245 PHP_INI_END()
246 /* }}} */
247 
248 /* {{{ PHP_MINFO_FUNCTION */
249 PHP_MINFO_FUNCTION(curl)
250 {
251 	curl_version_info_data *d;
252 	char **p;
253 	char str[1024];
254 	size_t n = 0;
255 
256 	d = curl_version_info(CURLVERSION_NOW);
257 	php_info_print_table_start();
258 	php_info_print_table_row(2, "cURL support",    "enabled");
259 	php_info_print_table_row(2, "cURL Information", d->version);
260 	sprintf(str, "%d", d->age);
261 	php_info_print_table_row(2, "Age", str);
262 
263 	/* To update on each new cURL release using src/main.c in cURL sources */
264 	if (d->features) {
265 		struct feat {
266 			const char *name;
267 			int bitmask;
268 		};
269 
270 		unsigned int i;
271 
272 		static const struct feat feats[] = {
273 			{"AsynchDNS", CURL_VERSION_ASYNCHDNS},
274 			{"CharConv", CURL_VERSION_CONV},
275 			{"Debug", CURL_VERSION_DEBUG},
276 			{"GSS-Negotiate", CURL_VERSION_GSSNEGOTIATE},
277 			{"IDN", CURL_VERSION_IDN},
278 			{"IPv6", CURL_VERSION_IPV6},
279 			{"krb4", CURL_VERSION_KERBEROS4},
280 			{"Largefile", CURL_VERSION_LARGEFILE},
281 			{"libz", CURL_VERSION_LIBZ},
282 			{"NTLM", CURL_VERSION_NTLM},
283 			{"NTLMWB", CURL_VERSION_NTLM_WB},
284 			{"SPNEGO", CURL_VERSION_SPNEGO},
285 			{"SSL",  CURL_VERSION_SSL},
286 			{"SSPI",  CURL_VERSION_SSPI},
287 			{"TLS-SRP", CURL_VERSION_TLSAUTH_SRP},
288 #if LIBCURL_VERSION_NUM >= 0x072100 /* 7.33.0 */
289 			{"HTTP2", CURL_VERSION_HTTP2},
290 #endif
291 #if LIBCURL_VERSION_NUM >= 0x072600 /* 7.38.0 */
292 			{"GSSAPI", CURL_VERSION_GSSAPI},
293 #endif
294 #if LIBCURL_VERSION_NUM >= 0x072800 /* 7.40.0 */
295 			{"KERBEROS5", CURL_VERSION_KERBEROS5},
296 			{"UNIX_SOCKETS", CURL_VERSION_UNIX_SOCKETS},
297 #endif
298 #if LIBCURL_VERSION_NUM >= 0x072f00 /* 7.47.0 */
299 			{"PSL", CURL_VERSION_PSL},
300 #endif
301 #if LIBCURL_VERSION_NUM >= 0x073400 /* 7.52.0 */
302 			{"HTTPS_PROXY", CURL_VERSION_HTTPS_PROXY},
303 #endif
304 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
305 			{"MULTI_SSL", CURL_VERSION_MULTI_SSL},
306 #endif
307 #if LIBCURL_VERSION_NUM >= 0x073900 /* 7.57.0 */
308 			{"BROTLI", CURL_VERSION_BROTLI},
309 #endif
310 #if LIBCURL_VERSION_NUM >= 0x074001 /* 7.64.1 */
311 			{"ALTSVC", CURL_VERSION_ALTSVC},
312 #endif
313 #if LIBCURL_VERSION_NUM >= 0x074200 /* 7.66.0 */
314 			{"HTTP3", CURL_VERSION_HTTP3},
315 #endif
316 #if LIBCURL_VERSION_NUM >= 0x074800 /* 7.72.0 */
317 			{"UNICODE", CURL_VERSION_UNICODE},
318 			{"ZSTD", CURL_VERSION_ZSTD},
319 #endif
320 #if LIBCURL_VERSION_NUM >= 0x074a00 /* 7.74.0 */
321 			{"HSTS", CURL_VERSION_HSTS},
322 #endif
323 #if LIBCURL_VERSION_NUM >= 0x074c00 /* 7.76.0 */
324 			{"GSASL", CURL_VERSION_GSASL},
325 #endif
326 			{NULL, 0}
327 		};
328 
329 		php_info_print_table_row(1, "Features");
330 		for(i=0; i<sizeof(feats)/sizeof(feats[0]); i++) {
331 			if (feats[i].name) {
332 				php_info_print_table_row(2, feats[i].name, d->features & feats[i].bitmask ? "Yes" : "No");
333 			}
334 		}
335 	}
336 
337 	n = 0;
338 	p = (char **) d->protocols;
339 	while (*p != NULL) {
340 			n += sprintf(str + n, "%s%s", *p, *(p + 1) != NULL ? ", " : "");
341 			p++;
342 	}
343 	php_info_print_table_row(2, "Protocols", str);
344 
345 	php_info_print_table_row(2, "Host", d->host);
346 
347 	if (d->ssl_version) {
348 		php_info_print_table_row(2, "SSL Version", d->ssl_version);
349 	}
350 
351 	if (d->libz_version) {
352 		php_info_print_table_row(2, "ZLib Version", d->libz_version);
353 	}
354 
355 #if defined(CURLVERSION_SECOND) && CURLVERSION_NOW >= CURLVERSION_SECOND
356 	if (d->ares) {
357 		php_info_print_table_row(2, "ZLib Version", d->ares);
358 	}
359 #endif
360 
361 #if defined(CURLVERSION_THIRD) && CURLVERSION_NOW >= CURLVERSION_THIRD
362 	if (d->libidn) {
363 		php_info_print_table_row(2, "libIDN Version", d->libidn);
364 	}
365 #endif
366 
367 	if (d->iconv_ver_num) {
368 		php_info_print_table_row(2, "IconV Version", d->iconv_ver_num);
369 	}
370 
371 	if (d->libssh_version) {
372 		php_info_print_table_row(2, "libSSH Version", d->libssh_version);
373 	}
374 
375 	php_info_print_table_end();
376 
377 	DISPLAY_INI_ENTRIES();
378 }
379 /* }}} */
380 
381 /* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(curl)382 PHP_MINIT_FUNCTION(curl)
383 {
384 	REGISTER_INI_ENTRIES();
385 
386 	register_curl_symbols(module_number);
387 
388 #ifdef PHP_CURL_NEED_OPENSSL_TSL
389 	if (!CRYPTO_get_id_callback()) {
390 		int i, c = CRYPTO_num_locks();
391 
392 		php_curl_openssl_tsl = malloc(c * sizeof(MUTEX_T));
393 		if (!php_curl_openssl_tsl) {
394 			return FAILURE;
395 		}
396 
397 		for (i = 0; i < c; ++i) {
398 			php_curl_openssl_tsl[i] = tsrm_mutex_alloc();
399 		}
400 
401 		CRYPTO_set_id_callback(php_curl_ssl_id);
402 		CRYPTO_set_locking_callback(php_curl_ssl_lock);
403 	}
404 #endif
405 
406 	if (curl_global_init(CURL_GLOBAL_DEFAULT) != CURLE_OK) {
407 		return FAILURE;
408 	}
409 
410 	curl_ce = register_class_CurlHandle();
411 	curl_ce->create_object = curl_create_object;
412 	curl_ce->default_object_handlers = &curl_object_handlers;
413 
414 	memcpy(&curl_object_handlers, &std_object_handlers, sizeof(zend_object_handlers));
415 	curl_object_handlers.offset = XtOffsetOf(php_curl, std);
416 	curl_object_handlers.free_obj = curl_free_obj;
417 	curl_object_handlers.get_gc = curl_get_gc;
418 	curl_object_handlers.get_constructor = curl_get_constructor;
419 	curl_object_handlers.clone_obj = curl_clone_obj;
420 	curl_object_handlers.cast_object = curl_cast_object;
421 	curl_object_handlers.compare = zend_objects_not_comparable;
422 
423 	curl_multi_ce = register_class_CurlMultiHandle();
424 	curl_multi_register_handlers();
425 
426 	curl_share_ce = register_class_CurlShareHandle();
427 	curl_share_register_handlers();
428 	curlfile_register_class();
429 
430 	return SUCCESS;
431 }
432 /* }}} */
433 
434 /* CurlHandle class */
435 
curl_create_object(zend_class_entry * class_type)436 static zend_object *curl_create_object(zend_class_entry *class_type) {
437 	php_curl *intern = zend_object_alloc(sizeof(php_curl), class_type);
438 
439 	zend_object_std_init(&intern->std, class_type);
440 	object_properties_init(&intern->std, class_type);
441 
442 	return &intern->std;
443 }
444 
curl_get_constructor(zend_object * object)445 static zend_function *curl_get_constructor(zend_object *object) {
446 	zend_throw_error(NULL, "Cannot directly construct CurlHandle, use curl_init() instead");
447 	return NULL;
448 }
449 
curl_clone_obj(zend_object * object)450 static zend_object *curl_clone_obj(zend_object *object) {
451 	php_curl *ch;
452 	CURL *cp;
453 	zval *postfields;
454 	zend_object *clone_object;
455 	php_curl *clone_ch;
456 
457 	clone_object = curl_create_object(curl_ce);
458 	clone_ch = curl_from_obj(clone_object);
459 	init_curl_handle(clone_ch);
460 
461 	ch = curl_from_obj(object);
462 	cp = curl_easy_duphandle(ch->cp);
463 	if (!cp) {
464 		zend_throw_exception(NULL, "Failed to clone CurlHandle", 0);
465 		return &clone_ch->std;
466 	}
467 
468 	clone_ch->cp = cp;
469 	_php_setup_easy_copy_handlers(clone_ch, ch);
470 
471 	postfields = &clone_ch->postfields;
472 	if (Z_TYPE_P(postfields) != IS_UNDEF) {
473 		if (build_mime_structure_from_hash(clone_ch, postfields) == FAILURE) {
474 			zend_throw_exception(NULL, "Failed to clone CurlHandle", 0);
475 			return &clone_ch->std;
476 		}
477 	}
478 
479 	return &clone_ch->std;
480 }
481 
curl_get_gc(zend_object * object,zval ** table,int * n)482 static HashTable *curl_get_gc(zend_object *object, zval **table, int *n)
483 {
484 	php_curl *curl = curl_from_obj(object);
485 
486 	zend_get_gc_buffer *gc_buffer = zend_get_gc_buffer_create();
487 
488 	zend_get_gc_buffer_add_zval(gc_buffer, &curl->postfields);
489 	if (curl->handlers.read) {
490 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.read->func_name);
491 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.read->stream);
492 	}
493 
494 	if (curl->handlers.write) {
495 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write->func_name);
496 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write->stream);
497 	}
498 
499 	if (curl->handlers.write_header) {
500 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write_header->func_name);
501 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.write_header->stream);
502 	}
503 
504 	if (curl->handlers.progress) {
505 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.progress->func_name);
506 	}
507 
508 #if LIBCURL_VERSION_NUM >= 0x072000
509 	if (curl->handlers.xferinfo) {
510 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.xferinfo->func_name);
511 	}
512 #endif
513 
514 	if (curl->handlers.fnmatch) {
515 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.fnmatch->func_name);
516 	}
517 
518 #if LIBCURL_VERSION_NUM >= 0x075400
519 	if (curl->handlers.sshhostkey) {
520 		zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.sshhostkey->func_name);
521 	}
522 #endif
523 
524 	zend_get_gc_buffer_add_zval(gc_buffer, &curl->handlers.std_err);
525 	zend_get_gc_buffer_add_zval(gc_buffer, &curl->private_data);
526 
527 	zend_get_gc_buffer_use(gc_buffer, table, n);
528 
529 	return zend_std_get_properties(object);
530 }
531 
curl_cast_object(zend_object * obj,zval * result,int type)532 zend_result curl_cast_object(zend_object *obj, zval *result, int type)
533 {
534 	if (type == IS_LONG) {
535 		/* For better backward compatibility, make (int) $curl_handle return the object ID,
536 		 * similar to how it previously returned the resource ID. */
537 		ZVAL_LONG(result, obj->handle);
538 		return SUCCESS;
539 	}
540 
541 	return zend_std_cast_object_tostring(obj, result, type);
542 }
543 
544 /* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(curl)545 PHP_MSHUTDOWN_FUNCTION(curl)
546 {
547 	curl_global_cleanup();
548 #ifdef PHP_CURL_NEED_OPENSSL_TSL
549 	if (php_curl_openssl_tsl) {
550 		int i, c = CRYPTO_num_locks();
551 
552 		CRYPTO_set_id_callback(NULL);
553 		CRYPTO_set_locking_callback(NULL);
554 
555 		for (i = 0; i < c; ++i) {
556 			tsrm_mutex_free(php_curl_openssl_tsl[i]);
557 		}
558 
559 		free(php_curl_openssl_tsl);
560 		php_curl_openssl_tsl = NULL;
561 	}
562 #endif
563 	UNREGISTER_INI_ENTRIES();
564 	return SUCCESS;
565 }
566 /* }}} */
567 
568 /* {{{ curl_write_nothing
569  * Used as a work around. See _php_curl_close_ex
570  */
curl_write_nothing(char * data,size_t size,size_t nmemb,void * ctx)571 static size_t curl_write_nothing(char *data, size_t size, size_t nmemb, void *ctx)
572 {
573 	return size * nmemb;
574 }
575 /* }}} */
576 
577 /* {{{ curl_write */
curl_write(char * data,size_t size,size_t nmemb,void * ctx)578 static size_t curl_write(char *data, size_t size, size_t nmemb, void *ctx)
579 {
580 	php_curl *ch = (php_curl *) ctx;
581 	php_curl_write *t = ch->handlers.write;
582 	size_t length = size * nmemb;
583 
584 #if PHP_CURL_DEBUG
585 	fprintf(stderr, "curl_write() called\n");
586 	fprintf(stderr, "data = %s, size = %d, nmemb = %d, ctx = %x\n", data, size, nmemb, ctx);
587 #endif
588 
589 	switch (t->method) {
590 		case PHP_CURL_STDOUT:
591 			PHPWRITE(data, length);
592 			break;
593 		case PHP_CURL_FILE:
594 			return fwrite(data, size, nmemb, t->fp);
595 		case PHP_CURL_RETURN:
596 			if (length > 0) {
597 				smart_str_appendl(&t->buf, data, (int) length);
598 			}
599 			break;
600 		case PHP_CURL_USER: {
601 			zval argv[2];
602 			zval retval;
603 			int  error;
604 			zend_fcall_info fci;
605 
606 			GC_ADDREF(&ch->std);
607 			ZVAL_OBJ(&argv[0], &ch->std);
608 			ZVAL_STRINGL(&argv[1], data, length);
609 
610 			fci.size = sizeof(fci);
611 			fci.object = NULL;
612 			ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
613 			fci.retval = &retval;
614 			fci.param_count = 2;
615 			fci.params = argv;
616 			fci.named_params = NULL;
617 
618 			ch->in_callback = 1;
619 			error = zend_call_function(&fci, &t->fci_cache);
620 			ch->in_callback = 0;
621 			if (error == FAILURE) {
622 				php_error_docref(NULL, E_WARNING, "Could not call the CURLOPT_WRITEFUNCTION");
623 				length = -1;
624 			} else if (!Z_ISUNDEF(retval)) {
625 				_php_curl_verify_handlers(ch, /* reporterror */ true);
626 				length = zval_get_long(&retval);
627 			}
628 
629 			zval_ptr_dtor(&argv[0]);
630 			zval_ptr_dtor(&argv[1]);
631 			break;
632 		}
633 	}
634 
635 	return length;
636 }
637 /* }}} */
638 
639 /* {{{ curl_fnmatch */
curl_fnmatch(void * ctx,const char * pattern,const char * string)640 static int curl_fnmatch(void *ctx, const char *pattern, const char *string)
641 {
642 	php_curl *ch = (php_curl *) ctx;
643 	php_curl_callback *t = ch->handlers.fnmatch;
644 	int rval = CURL_FNMATCHFUNC_FAIL;
645 	zval argv[3];
646 	zval retval;
647 	zend_result error;
648 	zend_fcall_info fci;
649 
650 	GC_ADDREF(&ch->std);
651 	ZVAL_OBJ(&argv[0], &ch->std);
652 	ZVAL_STRING(&argv[1], pattern);
653 	ZVAL_STRING(&argv[2], string);
654 
655 	fci.size = sizeof(fci);
656 	ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
657 	fci.object = NULL;
658 	fci.retval = &retval;
659 	fci.param_count = 3;
660 	fci.params = argv;
661 	fci.named_params = NULL;
662 
663 	ch->in_callback = 1;
664 	error = zend_call_function(&fci, &t->fci_cache);
665 	ch->in_callback = 0;
666 	if (error == FAILURE) {
667 		php_error_docref(NULL, E_WARNING, "Cannot call the CURLOPT_FNMATCH_FUNCTION");
668 	} else if (!Z_ISUNDEF(retval)) {
669 		_php_curl_verify_handlers(ch, /* reporterror */ true);
670 		rval = zval_get_long(&retval);
671 	}
672 	zval_ptr_dtor(&argv[0]);
673 	zval_ptr_dtor(&argv[1]);
674 	zval_ptr_dtor(&argv[2]);
675 	return rval;
676 }
677 /* }}} */
678 
679 /* {{{ curl_progress */
curl_progress(void * clientp,double dltotal,double dlnow,double ultotal,double ulnow)680 static size_t curl_progress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow)
681 {
682 	php_curl *ch = (php_curl *)clientp;
683 	php_curl_callback *t = ch->handlers.progress;
684 	size_t	rval = 0;
685 
686 #if PHP_CURL_DEBUG
687 	fprintf(stderr, "curl_progress() called\n");
688 	fprintf(stderr, "clientp = %x, dltotal = %f, dlnow = %f, ultotal = %f, ulnow = %f\n", clientp, dltotal, dlnow, ultotal, ulnow);
689 #endif
690 
691 	zval argv[5];
692 	zval retval;
693 	zend_result error;
694 	zend_fcall_info fci;
695 
696 	GC_ADDREF(&ch->std);
697 	ZVAL_OBJ(&argv[0], &ch->std);
698 	ZVAL_LONG(&argv[1], (zend_long)dltotal);
699 	ZVAL_LONG(&argv[2], (zend_long)dlnow);
700 	ZVAL_LONG(&argv[3], (zend_long)ultotal);
701 	ZVAL_LONG(&argv[4], (zend_long)ulnow);
702 
703 	fci.size = sizeof(fci);
704 	ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
705 	fci.object = NULL;
706 	fci.retval = &retval;
707 	fci.param_count = 5;
708 	fci.params = argv;
709 	fci.named_params = NULL;
710 
711 	ch->in_callback = 1;
712 	error = zend_call_function(&fci, &t->fci_cache);
713 	ch->in_callback = 0;
714 	if (error == FAILURE) {
715 		php_error_docref(NULL, E_WARNING, "Cannot call the CURLOPT_PROGRESSFUNCTION");
716 	} else if (!Z_ISUNDEF(retval)) {
717 		_php_curl_verify_handlers(ch, /* reporterror */ true);
718 		if (0 != zval_get_long(&retval)) {
719 			rval = 1;
720 		}
721 	}
722 	zval_ptr_dtor(&argv[0]);
723 	return rval;
724 }
725 /* }}} */
726 
727 #if LIBCURL_VERSION_NUM >= 0x072000
728 /* {{{ curl_xferinfo */
curl_xferinfo(void * clientp,curl_off_t dltotal,curl_off_t dlnow,curl_off_t ultotal,curl_off_t ulnow)729 static size_t curl_xferinfo(void *clientp, curl_off_t dltotal, curl_off_t dlnow, curl_off_t ultotal, curl_off_t ulnow)
730 {
731 	php_curl *ch = (php_curl *)clientp;
732 	php_curl_callback *t = ch->handlers.xferinfo;
733 	size_t rval = 0;
734 
735 #if PHP_CURL_DEBUG
736 	fprintf(stderr, "curl_xferinfo() called\n");
737 	fprintf(stderr, "clientp = %x, dltotal = %ld, dlnow = %ld, ultotal = %ld, ulnow = %ld\n", clientp, dltotal, dlnow, ultotal, ulnow);
738 #endif
739 
740 	zval argv[5];
741 	zval retval;
742 	zend_result error;
743 	zend_fcall_info fci;
744 
745 	GC_ADDREF(&ch->std);
746 	ZVAL_OBJ(&argv[0], &ch->std);
747 	ZVAL_LONG(&argv[1], dltotal);
748 	ZVAL_LONG(&argv[2], dlnow);
749 	ZVAL_LONG(&argv[3], ultotal);
750 	ZVAL_LONG(&argv[4], ulnow);
751 
752 	fci.size = sizeof(fci);
753 	ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
754 	fci.object = NULL;
755 	fci.retval = &retval;
756 	fci.param_count = 5;
757 	fci.params = argv;
758 	fci.named_params = NULL;
759 
760 	ch->in_callback = 1;
761 	error = zend_call_function(&fci, &t->fci_cache);
762 	ch->in_callback = 0;
763 	if (error == FAILURE) {
764 		php_error_docref(NULL, E_WARNING, "Cannot call the CURLOPT_XFERINFOFUNCTION");
765 	} else if (!Z_ISUNDEF(retval)) {
766 		_php_curl_verify_handlers(ch, /* reporterror */ true);
767 		if (0 != zval_get_long(&retval)) {
768 			rval = 1;
769 		}
770 	}
771 	zval_ptr_dtor(&argv[0]);
772 	return rval;
773 }
774 /* }}} */
775 #endif
776 
777 #if LIBCURL_VERSION_NUM >= 0x075400
curl_ssh_hostkeyfunction(void * clientp,int keytype,const char * key,size_t keylen)778 static int curl_ssh_hostkeyfunction(void *clientp, int keytype, const char *key, size_t keylen)
779 {
780 	php_curl *ch = (php_curl *)clientp;
781 	php_curl_callback *t = ch->handlers.sshhostkey;
782 	int rval = CURLKHMATCH_MISMATCH; /* cancel connection in case of an exception */
783 
784 #if PHP_CURL_DEBUG
785 	fprintf(stderr, "curl_ssh_hostkeyfunction() called\n");
786 	fprintf(stderr, "clientp = %x, keytype = %d, key = %s, keylen = %zu\n", clientp, keytype, key, keylen);
787 #endif
788 
789 	zval argv[4];
790 	zval retval;
791 	zend_result error;
792 	zend_fcall_info fci;
793 
794 	GC_ADDREF(&ch->std);
795 	ZVAL_OBJ(&argv[0], &ch->std);
796 	ZVAL_LONG(&argv[1], keytype);
797 	ZVAL_STRINGL(&argv[2], key, keylen);
798 	ZVAL_LONG(&argv[3], keylen);
799 
800 	fci.size = sizeof(fci);
801 	ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
802 	fci.object = NULL;
803 	fci.retval = &retval;
804 	fci.param_count = 4;
805 	fci.params = argv;
806 	fci.named_params = NULL;
807 
808 	ch->in_callback = 1;
809 	error = zend_call_function(&fci, &t->fci_cache);
810 	ch->in_callback = 0;
811 	if (error == FAILURE) {
812 		php_error_docref(NULL, E_WARNING, "Cannot call the CURLOPT_SSH_HOSTKEYFUNCTION");
813 	} else if (!Z_ISUNDEF(retval)) {
814 		_php_curl_verify_handlers(ch, /* reporterror */ true);
815 		if (Z_TYPE(retval) == IS_LONG) {
816 			zend_long retval_long = Z_LVAL(retval);
817 			if (retval_long == CURLKHMATCH_OK || retval_long == CURLKHMATCH_MISMATCH) {
818 				rval = retval_long;
819 			} else {
820 				zend_throw_error(NULL, "The CURLOPT_SSH_HOSTKEYFUNCTION callback must return either CURLKHMATCH_OK or CURLKHMATCH_MISMATCH");
821 			}
822 		} else {
823 			zend_throw_error(NULL, "The CURLOPT_SSH_HOSTKEYFUNCTION callback must return either CURLKHMATCH_OK or CURLKHMATCH_MISMATCH");
824 		}
825 	}
826 	zval_ptr_dtor(&argv[0]);
827 	zval_ptr_dtor(&argv[2]);
828 	return rval;
829 }
830 #endif
831 
832 /* {{{ curl_read */
curl_read(char * data,size_t size,size_t nmemb,void * ctx)833 static size_t curl_read(char *data, size_t size, size_t nmemb, void *ctx)
834 {
835 	php_curl *ch = (php_curl *)ctx;
836 	php_curl_read *t = ch->handlers.read;
837 	int length = 0;
838 
839 	switch (t->method) {
840 		case PHP_CURL_DIRECT:
841 			if (t->fp) {
842 				length = fread(data, size, nmemb, t->fp);
843 			}
844 			break;
845 		case PHP_CURL_USER: {
846 			zval argv[3];
847 			zval retval;
848 			zend_result error;
849 			zend_fcall_info fci;
850 
851 			GC_ADDREF(&ch->std);
852 			ZVAL_OBJ(&argv[0], &ch->std);
853 			if (t->res) {
854 				GC_ADDREF(t->res);
855 				ZVAL_RES(&argv[1], t->res);
856 			} else {
857 				ZVAL_NULL(&argv[1]);
858 			}
859 			ZVAL_LONG(&argv[2], (int)size * nmemb);
860 
861 			fci.size = sizeof(fci);
862 			ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
863 			fci.object = NULL;
864 			fci.retval = &retval;
865 			fci.param_count = 3;
866 			fci.params = argv;
867 			fci.named_params = NULL;
868 
869 			ch->in_callback = 1;
870 			error = zend_call_function(&fci, &t->fci_cache);
871 			ch->in_callback = 0;
872 			if (error == FAILURE) {
873 				php_error_docref(NULL, E_WARNING, "Cannot call the CURLOPT_READFUNCTION");
874 				length = CURL_READFUNC_ABORT;
875 			} else if (!Z_ISUNDEF(retval)) {
876 				_php_curl_verify_handlers(ch, /* reporterror */ true);
877 				if (Z_TYPE(retval) == IS_STRING) {
878 					length = MIN((int) (size * nmemb), Z_STRLEN(retval));
879 					memcpy(data, Z_STRVAL(retval), length);
880 				} else if (Z_TYPE(retval) == IS_LONG) {
881 					length = Z_LVAL_P(&retval);
882 				}
883 				zval_ptr_dtor(&retval);
884 			}
885 
886 			zval_ptr_dtor(&argv[0]);
887 			zval_ptr_dtor(&argv[1]);
888 			break;
889 		}
890 	}
891 
892 	return length;
893 }
894 /* }}} */
895 
896 /* {{{ curl_write_header */
curl_write_header(char * data,size_t size,size_t nmemb,void * ctx)897 static size_t curl_write_header(char *data, size_t size, size_t nmemb, void *ctx)
898 {
899 	php_curl *ch = (php_curl *) ctx;
900 	php_curl_write *t = ch->handlers.write_header;
901 	size_t length = size * nmemb;
902 
903 	switch (t->method) {
904 		case PHP_CURL_STDOUT:
905 			/* Handle special case write when we're returning the entire transfer
906 			 */
907 			if (ch->handlers.write->method == PHP_CURL_RETURN && length > 0) {
908 				smart_str_appendl(&ch->handlers.write->buf, data, (int) length);
909 			} else {
910 				PHPWRITE(data, length);
911 			}
912 			break;
913 		case PHP_CURL_FILE:
914 			return fwrite(data, size, nmemb, t->fp);
915 		case PHP_CURL_USER: {
916 			zval argv[2];
917 			zval retval;
918 			zend_result error;
919 			zend_fcall_info fci;
920 
921 			GC_ADDREF(&ch->std);
922 			ZVAL_OBJ(&argv[0], &ch->std);
923 			ZVAL_STRINGL(&argv[1], data, length);
924 
925 			fci.size = sizeof(fci);
926 			ZVAL_COPY_VALUE(&fci.function_name, &t->func_name);
927 			fci.object = NULL;
928 			fci.retval = &retval;
929 			fci.param_count = 2;
930 			fci.params = argv;
931 			fci.named_params = NULL;
932 
933 			ch->in_callback = 1;
934 			error = zend_call_function(&fci, &t->fci_cache);
935 			ch->in_callback = 0;
936 			if (error == FAILURE) {
937 				php_error_docref(NULL, E_WARNING, "Could not call the CURLOPT_HEADERFUNCTION");
938 				length = -1;
939 			} else if (!Z_ISUNDEF(retval)) {
940 				_php_curl_verify_handlers(ch, /* reporterror */ true);
941 				length = zval_get_long(&retval);
942 			}
943 			zval_ptr_dtor(&argv[0]);
944 			zval_ptr_dtor(&argv[1]);
945 			break;
946 		}
947 
948 		case PHP_CURL_IGNORE:
949 			return length;
950 
951 		default:
952 			return -1;
953 	}
954 
955 	return length;
956 }
957 /* }}} */
958 
curl_debug(CURL * cp,curl_infotype type,char * buf,size_t buf_len,void * ctx)959 static int curl_debug(CURL *cp, curl_infotype type, char *buf, size_t buf_len, void *ctx) /* {{{ */
960 {
961 	php_curl *ch = (php_curl *)ctx;
962 
963 	if (type == CURLINFO_HEADER_OUT) {
964 		if (ch->header.str) {
965 			zend_string_release_ex(ch->header.str, 0);
966 		}
967 		ch->header.str = zend_string_init(buf, buf_len, 0);
968 	}
969 
970 	return 0;
971 }
972 /* }}} */
973 
974 /* {{{ curl_free_post */
curl_free_post(void ** post)975 static void curl_free_post(void **post)
976 {
977 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
978 	curl_mime_free((curl_mime *)*post);
979 #else
980 	curl_formfree((struct HttpPost *)*post);
981 #endif
982 }
983 /* }}} */
984 
985 struct mime_data_cb_arg {
986 	zend_string *filename;
987 	php_stream *stream;
988 };
989 
990 /* {{{ curl_free_cb_arg */
curl_free_cb_arg(void ** cb_arg_p)991 static void curl_free_cb_arg(void **cb_arg_p)
992 {
993 	struct mime_data_cb_arg *cb_arg = (struct mime_data_cb_arg *) *cb_arg_p;
994 
995 	ZEND_ASSERT(cb_arg->stream == NULL);
996 	zend_string_release(cb_arg->filename);
997 	efree(cb_arg);
998 }
999 /* }}} */
1000 
1001 #if LIBCURL_VERSION_NUM < 0x073800 /* 7.56.0 */
1002 /* {{{ curl_free_buffers */
curl_free_buffers(void ** buffer)1003 static void curl_free_buffers(void **buffer)
1004 {
1005 	zend_string_release((zend_string *) *buffer);
1006 }
1007 /* }}} */
1008 #endif
1009 
1010 /* {{{ curl_free_slist */
curl_free_slist(zval * el)1011 static void curl_free_slist(zval *el)
1012 {
1013 	curl_slist_free_all(((struct curl_slist *)Z_PTR_P(el)));
1014 }
1015 /* }}} */
1016 
1017 /* {{{ Return cURL version information. */
PHP_FUNCTION(curl_version)1018 PHP_FUNCTION(curl_version)
1019 {
1020 	curl_version_info_data *d;
1021 
1022 	ZEND_PARSE_PARAMETERS_NONE();
1023 
1024 	d = curl_version_info(CURLVERSION_NOW);
1025 	if (d == NULL) {
1026 		RETURN_FALSE;
1027 	}
1028 
1029 	array_init(return_value);
1030 
1031 	CAAL("version_number", d->version_num);
1032 	CAAL("age", d->age);
1033 	CAAL("features", d->features);
1034 	CAAL("ssl_version_number", d->ssl_version_num);
1035 	CAAS("version", d->version);
1036 	CAAS("host", d->host);
1037 	CAAS("ssl_version", d->ssl_version);
1038 	CAAS("libz_version", d->libz_version);
1039 	/* Add an array of protocols */
1040 	{
1041 		char **p = (char **) d->protocols;
1042 		zval protocol_list;
1043 
1044 		array_init(&protocol_list);
1045 
1046 		while (*p != NULL) {
1047 			add_next_index_string(&protocol_list, *p);
1048 			p++;
1049 		}
1050 		CAAZ("protocols", &protocol_list);
1051 	}
1052 	if (d->age >= 1) {
1053 		CAAS("ares", d->ares);
1054 		CAAL("ares_num", d->ares_num);
1055 	}
1056 	if (d->age >= 2) {
1057 		CAAS("libidn", d->libidn);
1058 	}
1059 	if (d->age >= 3) {
1060 		CAAL("iconv_ver_num", d->iconv_ver_num);
1061 		CAAS("libssh_version", d->libssh_version);
1062 	}
1063 #if LIBCURL_VERSION_NUM >= 0x073900 /* Available since 7.57.0 */
1064 	if (d->age >= 4) {
1065 		CAAL("brotli_ver_num", d->brotli_ver_num);
1066 		CAAS("brotli_version", d->brotli_version);
1067 	}
1068 #endif
1069 }
1070 /* }}} */
1071 
init_curl_handle_into_zval(zval * curl)1072 php_curl *init_curl_handle_into_zval(zval *curl)
1073 {
1074 	php_curl *ch;
1075 
1076 	object_init_ex(curl, curl_ce);
1077 	ch = Z_CURL_P(curl);
1078 
1079 	init_curl_handle(ch);
1080 
1081 	return ch;
1082 }
1083 
init_curl_handle(php_curl * ch)1084 void init_curl_handle(php_curl *ch)
1085 {
1086 	ch->to_free = ecalloc(1, sizeof(struct _php_curl_free));
1087 	ch->handlers.write = ecalloc(1, sizeof(php_curl_write));
1088 	ch->handlers.write_header = ecalloc(1, sizeof(php_curl_write));
1089 	ch->handlers.read = ecalloc(1, sizeof(php_curl_read));
1090 	ch->handlers.progress = NULL;
1091 #if LIBCURL_VERSION_NUM >= 0x072000
1092 	ch->handlers.xferinfo = NULL;
1093 #endif
1094 	ch->handlers.fnmatch = NULL;
1095 #if LIBCURL_VERSION_NUM >= 0x075400
1096 	ch->handlers.sshhostkey = NULL;
1097 #endif
1098 	ch->clone = emalloc(sizeof(uint32_t));
1099 	*ch->clone = 1;
1100 
1101 	memset(&ch->err, 0, sizeof(struct _php_curl_error));
1102 
1103 	zend_llist_init(&ch->to_free->post,  sizeof(struct HttpPost *), (llist_dtor_func_t)curl_free_post,   0);
1104 	zend_llist_init(&ch->to_free->stream, sizeof(struct mime_data_cb_arg *), (llist_dtor_func_t)curl_free_cb_arg, 0);
1105 
1106 #if LIBCURL_VERSION_NUM < 0x073800 /* 7.56.0 */
1107 	zend_llist_init(&ch->to_free->buffers, sizeof(zend_string *), (llist_dtor_func_t)curl_free_buffers, 0);
1108 #endif
1109 
1110 	ch->to_free->slist = emalloc(sizeof(HashTable));
1111 	zend_hash_init(ch->to_free->slist, 4, NULL, curl_free_slist, 0);
1112 	ZVAL_UNDEF(&ch->postfields);
1113 }
1114 
1115 /* }}} */
1116 
1117 /* {{{ create_certinfo */
create_certinfo(struct curl_certinfo * ci,zval * listcode)1118 static void create_certinfo(struct curl_certinfo *ci, zval *listcode)
1119 {
1120 	int i;
1121 
1122 	if (ci) {
1123 		zval certhash;
1124 
1125 		for (i=0; i<ci->num_of_certs; i++) {
1126 			struct curl_slist *slist;
1127 
1128 			array_init(&certhash);
1129 			for (slist = ci->certinfo[i]; slist; slist = slist->next) {
1130 				int len;
1131 				char s[64];
1132 				char *tmp;
1133 				strncpy(s, slist->data, sizeof(s));
1134 				s[sizeof(s)-1] = '\0';
1135 				tmp = memchr(s, ':', sizeof(s));
1136 				if(tmp) {
1137 					*tmp = '\0';
1138 					len = strlen(s);
1139 					add_assoc_string(&certhash, s, &slist->data[len+1]);
1140 				} else {
1141 					php_error_docref(NULL, E_WARNING, "Could not extract hash key from certificate info");
1142 				}
1143 			}
1144 			add_next_index_zval(listcode, &certhash);
1145 		}
1146 	}
1147 }
1148 /* }}} */
1149 
1150 /* {{{ _php_curl_set_default_options()
1151    Set default options for a handle */
_php_curl_set_default_options(php_curl * ch)1152 static void _php_curl_set_default_options(php_curl *ch)
1153 {
1154 	char *cainfo;
1155 
1156 	curl_easy_setopt(ch->cp, CURLOPT_NOPROGRESS,        1);
1157 	curl_easy_setopt(ch->cp, CURLOPT_VERBOSE,           0);
1158 	curl_easy_setopt(ch->cp, CURLOPT_ERRORBUFFER,       ch->err.str);
1159 	curl_easy_setopt(ch->cp, CURLOPT_WRITEFUNCTION,     curl_write);
1160 	curl_easy_setopt(ch->cp, CURLOPT_FILE,              (void *) ch);
1161 	curl_easy_setopt(ch->cp, CURLOPT_READFUNCTION,      curl_read);
1162 	curl_easy_setopt(ch->cp, CURLOPT_INFILE,            (void *) ch);
1163 	curl_easy_setopt(ch->cp, CURLOPT_HEADERFUNCTION,    curl_write_header);
1164 	curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER,       (void *) ch);
1165 #ifndef ZTS
1166 	curl_easy_setopt(ch->cp, CURLOPT_DNS_USE_GLOBAL_CACHE, 1);
1167 #endif
1168 	curl_easy_setopt(ch->cp, CURLOPT_DNS_CACHE_TIMEOUT, 120);
1169 	curl_easy_setopt(ch->cp, CURLOPT_MAXREDIRS, 20); /* prevent infinite redirects */
1170 
1171 	cainfo = INI_STR("openssl.cafile");
1172 	if (!(cainfo && cainfo[0] != '\0')) {
1173 		cainfo = INI_STR("curl.cainfo");
1174 	}
1175 	if (cainfo && cainfo[0] != '\0') {
1176 		curl_easy_setopt(ch->cp, CURLOPT_CAINFO, cainfo);
1177 	}
1178 
1179 #ifdef ZTS
1180 	curl_easy_setopt(ch->cp, CURLOPT_NOSIGNAL, 1);
1181 #endif
1182 }
1183 /* }}} */
1184 
1185 /* {{{ Initialize a cURL session */
PHP_FUNCTION(curl_init)1186 PHP_FUNCTION(curl_init)
1187 {
1188 	php_curl *ch;
1189 	CURL 	 *cp;
1190 	zend_string *url = NULL;
1191 
1192 	ZEND_PARSE_PARAMETERS_START(0,1)
1193 		Z_PARAM_OPTIONAL
1194 		Z_PARAM_STR_OR_NULL(url)
1195 	ZEND_PARSE_PARAMETERS_END();
1196 
1197 	cp = curl_easy_init();
1198 	if (!cp) {
1199 		php_error_docref(NULL, E_WARNING, "Could not initialize a new cURL handle");
1200 		RETURN_FALSE;
1201 	}
1202 
1203 	ch = init_curl_handle_into_zval(return_value);
1204 
1205 	ch->cp = cp;
1206 
1207 	ch->handlers.write->method = PHP_CURL_STDOUT;
1208 	ch->handlers.read->method  = PHP_CURL_DIRECT;
1209 	ch->handlers.write_header->method = PHP_CURL_IGNORE;
1210 
1211 	_php_curl_set_default_options(ch);
1212 
1213 	if (url) {
1214 		if (php_curl_option_url(ch, url) == FAILURE) {
1215 			zval_ptr_dtor(return_value);
1216 			RETURN_FALSE;
1217 		}
1218 	}
1219 }
1220 /* }}} */
1221 
_php_copy_callback(php_curl * ch,php_curl_callback ** new_callback,php_curl_callback * source_callback,CURLoption option)1222 static void _php_copy_callback(php_curl *ch, php_curl_callback **new_callback, php_curl_callback *source_callback, CURLoption option)
1223 {
1224 	if (source_callback) {
1225 		*new_callback = ecalloc(1, sizeof(php_curl_callback));
1226 		if (!Z_ISUNDEF(source_callback->func_name)) {
1227 			ZVAL_COPY(&(*new_callback)->func_name, &source_callback->func_name);
1228 		}
1229 		curl_easy_setopt(ch->cp, option, (void *) ch);
1230 	}
1231 }
1232 
_php_setup_easy_copy_handlers(php_curl * ch,php_curl * source)1233 void _php_setup_easy_copy_handlers(php_curl *ch, php_curl *source)
1234 {
1235 	if (!Z_ISUNDEF(source->handlers.write->stream)) {
1236 		Z_ADDREF(source->handlers.write->stream);
1237 	}
1238 	ch->handlers.write->stream = source->handlers.write->stream;
1239 	ch->handlers.write->method = source->handlers.write->method;
1240 	if (!Z_ISUNDEF(source->handlers.read->stream)) {
1241 		Z_ADDREF(source->handlers.read->stream);
1242 	}
1243 	ch->handlers.read->stream  = source->handlers.read->stream;
1244 	ch->handlers.read->method  = source->handlers.read->method;
1245 	ch->handlers.write_header->method = source->handlers.write_header->method;
1246 	if (!Z_ISUNDEF(source->handlers.write_header->stream)) {
1247 		Z_ADDREF(source->handlers.write_header->stream);
1248 	}
1249 	ch->handlers.write_header->stream = source->handlers.write_header->stream;
1250 
1251 	ch->handlers.write->fp = source->handlers.write->fp;
1252 	ch->handlers.write_header->fp = source->handlers.write_header->fp;
1253 	ch->handlers.read->fp = source->handlers.read->fp;
1254 	ch->handlers.read->res = source->handlers.read->res;
1255 
1256 	if (!Z_ISUNDEF(source->handlers.write->func_name)) {
1257 		ZVAL_COPY(&ch->handlers.write->func_name, &source->handlers.write->func_name);
1258 	}
1259 	if (!Z_ISUNDEF(source->handlers.read->func_name)) {
1260 		ZVAL_COPY(&ch->handlers.read->func_name, &source->handlers.read->func_name);
1261 	}
1262 	if (!Z_ISUNDEF(source->handlers.write_header->func_name)) {
1263 		ZVAL_COPY(&ch->handlers.write_header->func_name, &source->handlers.write_header->func_name);
1264 	}
1265 
1266 	curl_easy_setopt(ch->cp, CURLOPT_ERRORBUFFER,       ch->err.str);
1267 	curl_easy_setopt(ch->cp, CURLOPT_FILE,              (void *) ch);
1268 	curl_easy_setopt(ch->cp, CURLOPT_INFILE,            (void *) ch);
1269 	curl_easy_setopt(ch->cp, CURLOPT_WRITEHEADER,       (void *) ch);
1270 	curl_easy_setopt(ch->cp, CURLOPT_DEBUGDATA,         (void *) ch);
1271 
1272 	_php_copy_callback(ch, &ch->handlers.progress, source->handlers.progress, CURLOPT_PROGRESSDATA);
1273 #if LIBCURL_VERSION_NUM >= 0x072000
1274 	_php_copy_callback(ch, &ch->handlers.xferinfo, source->handlers.xferinfo, CURLOPT_XFERINFODATA);
1275 #endif
1276 	_php_copy_callback(ch, &ch->handlers.fnmatch, source->handlers.fnmatch, CURLOPT_FNMATCH_DATA);
1277 #if LIBCURL_VERSION_NUM >= 0x075400
1278 	_php_copy_callback(ch, &ch->handlers.sshhostkey, source->handlers.sshhostkey, CURLOPT_SSH_HOSTKEYDATA);
1279 #endif
1280 
1281 	ZVAL_COPY(&ch->private_data, &source->private_data);
1282 
1283 	efree(ch->to_free->slist);
1284 	efree(ch->to_free);
1285 	ch->to_free = source->to_free;
1286 	efree(ch->clone);
1287 	ch->clone = source->clone;
1288 
1289 	/* Keep track of cloned copies to avoid invoking curl destructors for every clone */
1290 	(*source->clone)++;
1291 }
1292 
1293 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
read_cb(char * buffer,size_t size,size_t nitems,void * arg)1294 static size_t read_cb(char *buffer, size_t size, size_t nitems, void *arg) /* {{{ */
1295 {
1296 	struct mime_data_cb_arg *cb_arg = (struct mime_data_cb_arg *) arg;
1297 	ssize_t numread;
1298 
1299 	if (cb_arg->stream == NULL) {
1300 		if (!(cb_arg->stream = php_stream_open_wrapper(ZSTR_VAL(cb_arg->filename), "rb", IGNORE_PATH, NULL))) {
1301 			return CURL_READFUNC_ABORT;
1302 		}
1303 	}
1304 	numread = php_stream_read(cb_arg->stream, buffer, nitems * size);
1305 	if (numread < 0) {
1306 		php_stream_close(cb_arg->stream);
1307 		cb_arg->stream = NULL;
1308 		return CURL_READFUNC_ABORT;
1309 	}
1310 	return numread;
1311 }
1312 /* }}} */
1313 
seek_cb(void * arg,curl_off_t offset,int origin)1314 static int seek_cb(void *arg, curl_off_t offset, int origin) /* {{{ */
1315 {
1316 	struct mime_data_cb_arg *cb_arg = (struct mime_data_cb_arg *) arg;
1317 	int res;
1318 
1319 	if (cb_arg->stream == NULL) {
1320 		return CURL_SEEKFUNC_CANTSEEK;
1321 	}
1322 	res = php_stream_seek(cb_arg->stream, offset, origin);
1323 	return res == SUCCESS ? CURL_SEEKFUNC_OK : CURL_SEEKFUNC_CANTSEEK;
1324 }
1325 /* }}} */
1326 
free_cb(void * arg)1327 static void free_cb(void *arg) /* {{{ */
1328 {
1329 	struct mime_data_cb_arg *cb_arg = (struct mime_data_cb_arg *) arg;
1330 
1331 	if (cb_arg->stream != NULL) {
1332 		php_stream_close(cb_arg->stream);
1333 		cb_arg->stream = NULL;
1334 	}
1335 }
1336 /* }}} */
1337 #endif
1338 
1339 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
add_simple_field(curl_mime * mime,zend_string * string_key,zval * current)1340 static inline CURLcode add_simple_field(curl_mime *mime, zend_string *string_key, zval *current)
1341 #else
1342 static inline CURLcode add_simple_field(struct HttpPost **first, struct HttpPost **last, zend_string *string_key, zval *current)
1343 #endif
1344 {
1345 	CURLcode error = CURLE_OK;
1346 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1347 	curl_mimepart *part;
1348 	CURLcode form_error;
1349 #else
1350 	CURLFORMcode form_error;
1351 #endif
1352 	zend_string *postval, *tmp_postval;
1353 
1354 	postval = zval_get_tmp_string(current, &tmp_postval);
1355 
1356 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1357 	part = curl_mime_addpart(mime);
1358 	if (part == NULL) {
1359 		zend_tmp_string_release(tmp_postval);
1360 		zend_string_release_ex(string_key, 0);
1361 		return CURLE_OUT_OF_MEMORY;
1362 	}
1363 	if ((form_error = curl_mime_name(part, ZSTR_VAL(string_key))) != CURLE_OK
1364 		|| (form_error = curl_mime_data(part, ZSTR_VAL(postval), ZSTR_LEN(postval))) != CURLE_OK) {
1365 		error = form_error;
1366 	}
1367 #else
1368 	/* The arguments after _NAMELENGTH and _CONTENTSLENGTH
1369 		* must be explicitly cast to long in curl_formadd
1370 		* use since curl needs a long not an int. */
1371 	form_error = curl_formadd(first, last,
1372 		CURLFORM_COPYNAME, ZSTR_VAL(string_key),
1373 		CURLFORM_NAMELENGTH, ZSTR_LEN(string_key),
1374 		CURLFORM_COPYCONTENTS, ZSTR_VAL(postval),
1375 		CURLFORM_CONTENTSLENGTH, ZSTR_LEN(postval),
1376 		CURLFORM_END
1377 	);
1378 
1379 	if (form_error != CURL_FORMADD_OK) {
1380 		/* Not nice to convert between enums but we only have place for one error type */
1381 		error = (CURLcode)form_error;
1382 	}
1383 #endif
1384 	zend_tmp_string_release(tmp_postval);
1385 
1386 	return error;
1387 }
1388 
build_mime_structure_from_hash(php_curl * ch,zval * zpostfields)1389 static inline zend_result build_mime_structure_from_hash(php_curl *ch, zval *zpostfields) /* {{{ */
1390 {
1391 	HashTable *postfields = Z_ARRVAL_P(zpostfields);
1392 	CURLcode error = CURLE_OK;
1393 	zval *current;
1394 	zend_string *string_key;
1395 	zend_ulong num_key;
1396 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1397 	curl_mime *mime = NULL;
1398 	curl_mimepart *part;
1399 	CURLcode form_error;
1400 #else
1401 	struct HttpPost *first = NULL;
1402 	struct HttpPost *last  = NULL;
1403 	CURLFORMcode form_error;
1404 #endif
1405 
1406 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1407 	if (zend_hash_num_elements(postfields) > 0) {
1408 		mime = curl_mime_init(ch->cp);
1409 		if (mime == NULL) {
1410 			return FAILURE;
1411 		}
1412 	}
1413 #endif
1414 
1415 	ZEND_HASH_FOREACH_KEY_VAL(postfields, num_key, string_key, current) {
1416 		zend_string *postval;
1417 		/* Pretend we have a string_key here */
1418 		if (!string_key) {
1419 			string_key = zend_long_to_str(num_key);
1420 		} else {
1421 			zend_string_addref(string_key);
1422 		}
1423 
1424 		ZVAL_DEREF(current);
1425 		if (Z_TYPE_P(current) == IS_OBJECT &&
1426 				instanceof_function(Z_OBJCE_P(current), curl_CURLFile_class)) {
1427 			/* new-style file upload */
1428 			zval *prop, rv;
1429 			char *type = NULL, *filename = NULL;
1430 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1431 			struct mime_data_cb_arg *cb_arg;
1432 			php_stream *stream;
1433 			php_stream_statbuf ssb;
1434 			size_t filesize = -1;
1435 			curl_seek_callback seekfunc = seek_cb;
1436 #endif
1437 
1438 			prop = zend_read_property_ex(curl_CURLFile_class, Z_OBJ_P(current), ZSTR_KNOWN(ZEND_STR_NAME), /* silent */ false, &rv);
1439 			ZVAL_DEREF(prop);
1440 			if (Z_TYPE_P(prop) != IS_STRING) {
1441 				php_error_docref(NULL, E_WARNING, "Invalid filename for key %s", ZSTR_VAL(string_key));
1442 			} else {
1443 				postval = Z_STR_P(prop);
1444 
1445 				if (php_check_open_basedir(ZSTR_VAL(postval))) {
1446 					return FAILURE;
1447 				}
1448 
1449 				prop = zend_read_property(curl_CURLFile_class, Z_OBJ_P(current), "mime", sizeof("mime")-1, 0, &rv);
1450 				ZVAL_DEREF(prop);
1451 				if (Z_TYPE_P(prop) == IS_STRING && Z_STRLEN_P(prop) > 0) {
1452 					type = Z_STRVAL_P(prop);
1453 				}
1454 				prop = zend_read_property(curl_CURLFile_class, Z_OBJ_P(current), "postname", sizeof("postname")-1, 0, &rv);
1455 				ZVAL_DEREF(prop);
1456 				if (Z_TYPE_P(prop) == IS_STRING && Z_STRLEN_P(prop) > 0) {
1457 					filename = Z_STRVAL_P(prop);
1458 				}
1459 
1460 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1461 				zval_ptr_dtor(&ch->postfields);
1462 				ZVAL_COPY(&ch->postfields, zpostfields);
1463 
1464 				if ((stream = php_stream_open_wrapper(ZSTR_VAL(postval), "rb", STREAM_MUST_SEEK, NULL))) {
1465 					if (!stream->readfilters.head && !php_stream_stat(stream, &ssb)) {
1466 						filesize = ssb.sb.st_size;
1467 					}
1468 				} else {
1469 					seekfunc = NULL;
1470 				}
1471 
1472 				cb_arg = emalloc(sizeof *cb_arg);
1473 				cb_arg->filename = zend_string_copy(postval);
1474 				cb_arg->stream = stream;
1475 
1476 				part = curl_mime_addpart(mime);
1477 				if (part == NULL) {
1478 					zend_string_release_ex(string_key, 0);
1479 					return FAILURE;
1480 				}
1481 				if ((form_error = curl_mime_name(part, ZSTR_VAL(string_key))) != CURLE_OK
1482 					|| (form_error = curl_mime_data_cb(part, filesize, read_cb, seekfunc, free_cb, cb_arg)) != CURLE_OK
1483 					|| (form_error = curl_mime_filename(part, filename ? filename : ZSTR_VAL(postval))) != CURLE_OK
1484 					|| (form_error = curl_mime_type(part, type ? type : "application/octet-stream")) != CURLE_OK) {
1485 					error = form_error;
1486 				}
1487 				zend_llist_add_element(&ch->to_free->stream, &cb_arg);
1488 #else
1489 				form_error = curl_formadd(&first, &last,
1490 								CURLFORM_COPYNAME, ZSTR_VAL(string_key),
1491 								CURLFORM_NAMELENGTH, ZSTR_LEN(string_key),
1492 								CURLFORM_FILENAME, filename ? filename : ZSTR_VAL(postval),
1493 								CURLFORM_CONTENTTYPE, type ? type : "application/octet-stream",
1494 								CURLFORM_FILE, ZSTR_VAL(postval),
1495 								CURLFORM_END);
1496 				if (form_error != CURL_FORMADD_OK) {
1497 					/* Not nice to convert between enums but we only have place for one error type */
1498 					error = (CURLcode)form_error;
1499 				}
1500 #endif
1501 			}
1502 
1503 			zend_string_release_ex(string_key, 0);
1504 			continue;
1505 		}
1506 
1507 		if (Z_TYPE_P(current) == IS_OBJECT && instanceof_function(Z_OBJCE_P(current), curl_CURLStringFile_class)) {
1508 			/* new-style file upload from string */
1509 			zval *prop, rv;
1510 			char *type = NULL, *filename = NULL;
1511 
1512 			prop = zend_read_property(curl_CURLStringFile_class, Z_OBJ_P(current), "postname", sizeof("postname")-1, 0, &rv);
1513 			if (EG(exception)) {
1514 				zend_string_release_ex(string_key, 0);
1515 				return FAILURE;
1516 			}
1517 			ZVAL_DEREF(prop);
1518 			ZEND_ASSERT(Z_TYPE_P(prop) == IS_STRING);
1519 
1520 			filename = Z_STRVAL_P(prop);
1521 
1522 			prop = zend_read_property(curl_CURLStringFile_class, Z_OBJ_P(current), "mime", sizeof("mime")-1, 0, &rv);
1523 			if (EG(exception)) {
1524 				zend_string_release_ex(string_key, 0);
1525 				return FAILURE;
1526 			}
1527 			ZVAL_DEREF(prop);
1528 			ZEND_ASSERT(Z_TYPE_P(prop) == IS_STRING);
1529 
1530 			type = Z_STRVAL_P(prop);
1531 
1532 			prop = zend_read_property(curl_CURLStringFile_class, Z_OBJ_P(current), "data", sizeof("data")-1, 0, &rv);
1533 			if (EG(exception)) {
1534 				zend_string_release_ex(string_key, 0);
1535 				return FAILURE;
1536 			}
1537 			ZVAL_DEREF(prop);
1538 			ZEND_ASSERT(Z_TYPE_P(prop) == IS_STRING);
1539 
1540 			postval = Z_STR_P(prop);
1541 
1542 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1543 			zval_ptr_dtor(&ch->postfields);
1544 			ZVAL_COPY(&ch->postfields, zpostfields);
1545 
1546 			part = curl_mime_addpart(mime);
1547 			if (part == NULL) {
1548 				zend_string_release_ex(string_key, 0);
1549 				return FAILURE;
1550 			}
1551 			if ((form_error = curl_mime_name(part, ZSTR_VAL(string_key))) != CURLE_OK
1552 				|| (form_error = curl_mime_data(part, ZSTR_VAL(postval), ZSTR_LEN(postval))) != CURLE_OK
1553 				|| (form_error = curl_mime_filename(part, filename)) != CURLE_OK
1554 				|| (form_error = curl_mime_type(part, type)) != CURLE_OK) {
1555 				error = form_error;
1556 			}
1557 #else
1558 			postval = zend_string_copy(postval);
1559 			zend_llist_add_element(&ch->to_free->buffers, &postval);
1560 
1561 			form_error = curl_formadd(&first, &last,
1562 							CURLFORM_COPYNAME, ZSTR_VAL(string_key),
1563 							CURLFORM_NAMELENGTH, ZSTR_LEN(string_key),
1564 							CURLFORM_BUFFER, filename,
1565 							CURLFORM_CONTENTTYPE, type,
1566 							CURLFORM_BUFFERPTR, ZSTR_VAL(postval),
1567 							CURLFORM_BUFFERLENGTH, ZSTR_LEN(postval),
1568 							CURLFORM_END);
1569 			if (form_error != CURL_FORMADD_OK) {
1570 				/* Not nice to convert between enums but we only have place for one error type */
1571 				error = (CURLcode)form_error;
1572 			}
1573 #endif
1574 
1575 			zend_string_release_ex(string_key, 0);
1576 			continue;
1577 		}
1578 
1579 		if (Z_TYPE_P(current) == IS_ARRAY) {
1580 			zval *current_element;
1581 
1582 			ZEND_HASH_FOREACH_VAL(HASH_OF(current), current_element) {
1583 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1584 				add_simple_field(mime, string_key, current_element);
1585 #else
1586 				add_simple_field(&first, &last, string_key, current_element);
1587 #endif
1588 			} ZEND_HASH_FOREACH_END();
1589 
1590 			zend_string_release_ex(string_key, 0);
1591 			continue;
1592 		}
1593 
1594 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1595 		add_simple_field(mime, string_key, current);
1596 #else
1597 		add_simple_field(&first, &last, string_key, current);
1598 #endif
1599 
1600 		zend_string_release_ex(string_key, 0);
1601 	} ZEND_HASH_FOREACH_END();
1602 
1603 	SAVE_CURL_ERROR(ch, error);
1604 	if (error != CURLE_OK) {
1605 		return FAILURE;
1606 	}
1607 
1608 	if ((*ch->clone) == 1) {
1609 		zend_llist_clean(&ch->to_free->post);
1610 	}
1611 #if LIBCURL_VERSION_NUM >= 0x073800 /* 7.56.0 */
1612 	zend_llist_add_element(&ch->to_free->post, &mime);
1613 	error = curl_easy_setopt(ch->cp, CURLOPT_MIMEPOST, mime);
1614 #else
1615 	zend_llist_add_element(&ch->to_free->post, &first);
1616 	error = curl_easy_setopt(ch->cp, CURLOPT_HTTPPOST, first);
1617 #endif
1618 
1619 	SAVE_CURL_ERROR(ch, error);
1620 	return error == CURLE_OK ? SUCCESS : FAILURE;
1621 }
1622 /* }}} */
1623 
1624 /* {{{ Copy a cURL handle along with all of it's preferences */
PHP_FUNCTION(curl_copy_handle)1625 PHP_FUNCTION(curl_copy_handle)
1626 {
1627 	php_curl	*ch;
1628 	CURL		*cp;
1629 	zval		*zid;
1630 	php_curl	*dupch;
1631 	zval		*postfields;
1632 
1633 	ZEND_PARSE_PARAMETERS_START(1,1)
1634 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
1635 	ZEND_PARSE_PARAMETERS_END();
1636 
1637 	ch = Z_CURL_P(zid);
1638 
1639 	cp = curl_easy_duphandle(ch->cp);
1640 	if (!cp) {
1641 		php_error_docref(NULL, E_WARNING, "Cannot duplicate cURL handle");
1642 		RETURN_FALSE;
1643 	}
1644 
1645 	dupch = init_curl_handle_into_zval(return_value);
1646 	dupch->cp = cp;
1647 
1648 	_php_setup_easy_copy_handlers(dupch, ch);
1649 
1650 	postfields = &ch->postfields;
1651 	if (Z_TYPE_P(postfields) != IS_UNDEF) {
1652 		if (build_mime_structure_from_hash(dupch, postfields) == FAILURE) {
1653 			zval_ptr_dtor(return_value);
1654 			php_error_docref(NULL, E_WARNING, "Cannot rebuild mime structure");
1655 			RETURN_FALSE;
1656 		}
1657 	}
1658 }
1659 /* }}} */
1660 
_php_curl_setopt(php_curl * ch,zend_long option,zval * zvalue,bool is_array_config)1661 static zend_result _php_curl_setopt(php_curl *ch, zend_long option, zval *zvalue, bool is_array_config) /* {{{ */
1662 {
1663 	CURLcode error = CURLE_OK;
1664 	zend_long lval;
1665 
1666 	switch (option) {
1667 		/* Long options */
1668 		case CURLOPT_SSL_VERIFYHOST:
1669 			lval = zval_get_long(zvalue);
1670 			if (lval == 1) {
1671 				php_error_docref(NULL, E_NOTICE, "CURLOPT_SSL_VERIFYHOST no longer accepts the value 1, value 2 will be used instead");
1672 				error = curl_easy_setopt(ch->cp, option, 2);
1673 				break;
1674 			}
1675 			ZEND_FALLTHROUGH;
1676 		case CURLOPT_AUTOREFERER:
1677 		case CURLOPT_BUFFERSIZE:
1678 		case CURLOPT_CONNECTTIMEOUT:
1679 		case CURLOPT_COOKIESESSION:
1680 		case CURLOPT_CRLF:
1681 		case CURLOPT_DNS_CACHE_TIMEOUT:
1682 		case CURLOPT_DNS_USE_GLOBAL_CACHE:
1683 		case CURLOPT_FAILONERROR:
1684 		case CURLOPT_FILETIME:
1685 		case CURLOPT_FORBID_REUSE:
1686 		case CURLOPT_FRESH_CONNECT:
1687 		case CURLOPT_FTP_USE_EPRT:
1688 		case CURLOPT_FTP_USE_EPSV:
1689 		case CURLOPT_HEADER:
1690 		case CURLOPT_HTTPGET:
1691 		case CURLOPT_HTTPPROXYTUNNEL:
1692 		case CURLOPT_HTTP_VERSION:
1693 		case CURLOPT_INFILESIZE:
1694 		case CURLOPT_LOW_SPEED_LIMIT:
1695 		case CURLOPT_LOW_SPEED_TIME:
1696 		case CURLOPT_MAXCONNECTS:
1697 		case CURLOPT_MAXREDIRS:
1698 		case CURLOPT_NETRC:
1699 		case CURLOPT_NOBODY:
1700 		case CURLOPT_NOPROGRESS:
1701 		case CURLOPT_NOSIGNAL:
1702 		case CURLOPT_PORT:
1703 		case CURLOPT_POST:
1704 		case CURLOPT_PROXYPORT:
1705 		case CURLOPT_PROXYTYPE:
1706 		case CURLOPT_PUT:
1707 		case CURLOPT_RESUME_FROM:
1708 		case CURLOPT_SSLVERSION:
1709 		case CURLOPT_SSL_VERIFYPEER:
1710 		case CURLOPT_TIMECONDITION:
1711 		case CURLOPT_TIMEOUT:
1712 		case CURLOPT_TIMEVALUE:
1713 		case CURLOPT_TRANSFERTEXT:
1714 		case CURLOPT_UNRESTRICTED_AUTH:
1715 		case CURLOPT_UPLOAD:
1716 		case CURLOPT_VERBOSE:
1717 		case CURLOPT_HTTPAUTH:
1718 		case CURLOPT_FTP_CREATE_MISSING_DIRS:
1719 		case CURLOPT_PROXYAUTH:
1720 		case CURLOPT_FTP_RESPONSE_TIMEOUT:
1721 		case CURLOPT_IPRESOLVE:
1722 		case CURLOPT_MAXFILESIZE:
1723 		case CURLOPT_TCP_NODELAY:
1724 		case CURLOPT_FTPSSLAUTH:
1725 		case CURLOPT_IGNORE_CONTENT_LENGTH:
1726 		case CURLOPT_FTP_SKIP_PASV_IP:
1727 		case CURLOPT_FTP_FILEMETHOD:
1728 		case CURLOPT_CONNECT_ONLY:
1729 		case CURLOPT_LOCALPORT:
1730 		case CURLOPT_LOCALPORTRANGE:
1731 		case CURLOPT_SSL_SESSIONID_CACHE:
1732 		case CURLOPT_FTP_SSL_CCC:
1733 		case CURLOPT_SSH_AUTH_TYPES:
1734 		case CURLOPT_CONNECTTIMEOUT_MS:
1735 		case CURLOPT_HTTP_CONTENT_DECODING:
1736 		case CURLOPT_HTTP_TRANSFER_DECODING:
1737 		case CURLOPT_TIMEOUT_MS:
1738 		case CURLOPT_NEW_DIRECTORY_PERMS:
1739 		case CURLOPT_NEW_FILE_PERMS:
1740 		case CURLOPT_USE_SSL:
1741 		case CURLOPT_APPEND:
1742 		case CURLOPT_DIRLISTONLY:
1743 		case CURLOPT_PROXY_TRANSFER_MODE:
1744 		case CURLOPT_ADDRESS_SCOPE:
1745 		case CURLOPT_CERTINFO:
1746 		case CURLOPT_PROTOCOLS:
1747 		case CURLOPT_REDIR_PROTOCOLS:
1748 		case CURLOPT_SOCKS5_GSSAPI_NEC:
1749 		case CURLOPT_TFTP_BLKSIZE:
1750 		case CURLOPT_FTP_USE_PRET:
1751 		case CURLOPT_RTSP_CLIENT_CSEQ:
1752 		case CURLOPT_RTSP_REQUEST:
1753 		case CURLOPT_RTSP_SERVER_CSEQ:
1754 		case CURLOPT_WILDCARDMATCH:
1755 		case CURLOPT_GSSAPI_DELEGATION:
1756 		case CURLOPT_ACCEPTTIMEOUT_MS:
1757 		case CURLOPT_SSL_OPTIONS:
1758 		case CURLOPT_TCP_KEEPALIVE:
1759 		case CURLOPT_TCP_KEEPIDLE:
1760 		case CURLOPT_TCP_KEEPINTVL:
1761 #if LIBCURL_VERSION_NUM >= 0x071f00 /* Available since 7.31.0 */
1762 		case CURLOPT_SASL_IR:
1763 #endif
1764 #if LIBCURL_VERSION_NUM >= 0x072400 /* Available since 7.36.0 */
1765 		case CURLOPT_EXPECT_100_TIMEOUT_MS:
1766 		case CURLOPT_SSL_ENABLE_ALPN:
1767 		case CURLOPT_SSL_ENABLE_NPN:
1768 #endif
1769 #if LIBCURL_VERSION_NUM >= 0x072500 /* Available since 7.37.0 */
1770 		case CURLOPT_HEADEROPT:
1771 #endif
1772 #if LIBCURL_VERSION_NUM >= 0x072900 /* Available since 7.41.0 */
1773 		case CURLOPT_SSL_VERIFYSTATUS:
1774 #endif
1775 #if LIBCURL_VERSION_NUM >= 0x072a00 /* Available since 7.42.0 */
1776 		case CURLOPT_PATH_AS_IS:
1777 		case CURLOPT_SSL_FALSESTART:
1778 #endif
1779 #if LIBCURL_VERSION_NUM >= 0x072b00 /* Available since 7.43.0 */
1780 		case CURLOPT_PIPEWAIT:
1781 #endif
1782 #if LIBCURL_VERSION_NUM >= 0x072e00 /* Available since 7.46.0 */
1783 		case CURLOPT_STREAM_WEIGHT:
1784 #endif
1785 #if LIBCURL_VERSION_NUM >= 0x073000 /* Available since 7.48.0 */
1786 		case CURLOPT_TFTP_NO_OPTIONS:
1787 #endif
1788 #if LIBCURL_VERSION_NUM >= 0x073100 /* Available since 7.49.0 */
1789 		case CURLOPT_TCP_FASTOPEN:
1790 #endif
1791 #if LIBCURL_VERSION_NUM >= 0x073300 /* Available since 7.51.0 */
1792 		case CURLOPT_KEEP_SENDING_ON_ERROR:
1793 #endif
1794 #if LIBCURL_VERSION_NUM >= 0x073400 /* Available since 7.52.0 */
1795 		case CURLOPT_PROXY_SSL_OPTIONS:
1796 		case CURLOPT_PROXY_SSL_VERIFYHOST:
1797 		case CURLOPT_PROXY_SSL_VERIFYPEER:
1798 		case CURLOPT_PROXY_SSLVERSION:
1799 #endif
1800 #if LIBCURL_VERSION_NUM >= 0x073600 /* Available since 7.54.0 */
1801 		case CURLOPT_SUPPRESS_CONNECT_HEADERS:
1802 #endif
1803 #if LIBCURL_VERSION_NUM >= 0x073700 /* Available since 7.55.0 */
1804 		case CURLOPT_SOCKS5_AUTH:
1805 #endif
1806 #if LIBCURL_VERSION_NUM >= 0x073800 /* Available since 7.56.0 */
1807 		case CURLOPT_SSH_COMPRESSION:
1808 #endif
1809 #if LIBCURL_VERSION_NUM >= 0x073b00 /* Available since 7.59.0 */
1810 		case CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS:
1811 #endif
1812 #if LIBCURL_VERSION_NUM >= 0x073c00 /* Available since 7.60.0 */
1813 		case CURLOPT_DNS_SHUFFLE_ADDRESSES:
1814 		case CURLOPT_HAPROXYPROTOCOL:
1815 #endif
1816 #if LIBCURL_VERSION_NUM >= 0x073d00 /* Available since 7.61.0 */
1817 		case CURLOPT_DISALLOW_USERNAME_IN_URL:
1818 #endif
1819 #if LIBCURL_VERSION_NUM >= 0x073E00 /* Available since 7.62.0 */
1820 		case CURLOPT_UPKEEP_INTERVAL_MS:
1821 		case CURLOPT_UPLOAD_BUFFERSIZE:
1822 #endif
1823 #if LIBCURL_VERSION_NUM >= 0x074000 /* Available since 7.64.0 */
1824 		case CURLOPT_HTTP09_ALLOWED:
1825 #endif
1826 #if LIBCURL_VERSION_NUM >= 0x074001 /* Available since 7.64.1 */
1827 		case CURLOPT_ALTSVC_CTRL:
1828 #endif
1829 #if LIBCURL_VERSION_NUM >= 0x074100 /* Available since 7.65.0 */
1830 		case CURLOPT_MAXAGE_CONN:
1831 #endif
1832 #if LIBCURL_VERSION_NUM >= 0x074500 /* Available since 7.69.0 */
1833 		case CURLOPT_MAIL_RCPT_ALLLOWFAILS:
1834 #endif
1835 #if LIBCURL_VERSION_NUM >= 0x074a00 /* Available since 7.74.0 */
1836 		case CURLOPT_HSTS_CTRL:
1837 #endif
1838 #if LIBCURL_VERSION_NUM >= 0x074c00 /* Available since 7.76.0 */
1839 		case CURLOPT_DOH_SSL_VERIFYHOST:
1840 		case CURLOPT_DOH_SSL_VERIFYPEER:
1841 		case CURLOPT_DOH_SSL_VERIFYSTATUS:
1842 #endif
1843 #if LIBCURL_VERSION_NUM >= 0x075000 /* Available since 7.80.0 */
1844 		case CURLOPT_MAXLIFETIME_CONN:
1845 #endif
1846 #if LIBCURL_VERSION_NUM >= 0x075100 /* Available since 7.81.0 */
1847 		case CURLOPT_MIME_OPTIONS:
1848 #endif
1849 #if LIBCURL_VERSION_NUM >= 0x075600 /* Available since 7.86.0 */
1850 		case CURLOPT_WS_OPTIONS:
1851 #endif
1852 #if LIBCURL_VERSION_NUM >= 0x075700 /* Available since 7.87.0 */
1853 		case CURLOPT_CA_CACHE_TIMEOUT:
1854 		case CURLOPT_QUICK_EXIT:
1855 #endif
1856 			lval = zval_get_long(zvalue);
1857 			if ((option == CURLOPT_PROTOCOLS || option == CURLOPT_REDIR_PROTOCOLS) &&
1858 				(PG(open_basedir) && *PG(open_basedir)) && (lval & CURLPROTO_FILE)) {
1859 					php_error_docref(NULL, E_WARNING, "CURLPROTO_FILE cannot be activated when an open_basedir is set");
1860 					return FAILURE;
1861 			}
1862 # if defined(ZTS)
1863 			if (option == CURLOPT_DNS_USE_GLOBAL_CACHE && lval) {
1864 				php_error_docref(NULL, E_WARNING, "CURLOPT_DNS_USE_GLOBAL_CACHE cannot be activated when thread safety is enabled");
1865 				return FAILURE;
1866 			}
1867 # endif
1868 			error = curl_easy_setopt(ch->cp, option, lval);
1869 			break;
1870 		case CURLOPT_SAFE_UPLOAD:
1871 			if (!zend_is_true(zvalue)) {
1872 				zend_value_error("%s(): Disabling safe uploads is no longer supported", get_active_function_name());
1873 				return FAILURE;
1874 			}
1875 			break;
1876 
1877 		/* String options */
1878 		case CURLOPT_CAINFO:
1879 		case CURLOPT_CAPATH:
1880 		case CURLOPT_COOKIE:
1881 		case CURLOPT_EGDSOCKET:
1882 		case CURLOPT_INTERFACE:
1883 		case CURLOPT_PROXY:
1884 		case CURLOPT_PROXYUSERPWD:
1885 		case CURLOPT_REFERER:
1886 		case CURLOPT_SSLCERTTYPE:
1887 		case CURLOPT_SSLENGINE:
1888 		case CURLOPT_SSLENGINE_DEFAULT:
1889 		case CURLOPT_SSLKEY:
1890 		case CURLOPT_SSLKEYPASSWD:
1891 		case CURLOPT_SSLKEYTYPE:
1892 		case CURLOPT_SSL_CIPHER_LIST:
1893 		case CURLOPT_USERAGENT:
1894 		case CURLOPT_USERPWD:
1895 		case CURLOPT_COOKIELIST:
1896 		case CURLOPT_FTP_ALTERNATIVE_TO_USER:
1897 		case CURLOPT_SSH_HOST_PUBLIC_KEY_MD5:
1898 		case CURLOPT_PASSWORD:
1899 		case CURLOPT_PROXYPASSWORD:
1900 		case CURLOPT_PROXYUSERNAME:
1901 		case CURLOPT_USERNAME:
1902 		case CURLOPT_NOPROXY:
1903 		case CURLOPT_SOCKS5_GSSAPI_SERVICE:
1904 		case CURLOPT_MAIL_FROM:
1905 		case CURLOPT_RTSP_STREAM_URI:
1906 		case CURLOPT_RTSP_TRANSPORT:
1907 		case CURLOPT_TLSAUTH_TYPE:
1908 		case CURLOPT_TLSAUTH_PASSWORD:
1909 		case CURLOPT_TLSAUTH_USERNAME:
1910 		case CURLOPT_TRANSFER_ENCODING:
1911 		case CURLOPT_DNS_SERVERS:
1912 		case CURLOPT_MAIL_AUTH:
1913 #if LIBCURL_VERSION_NUM >= 0x072200 /* Available since 7.34.0 */
1914 		case CURLOPT_LOGIN_OPTIONS:
1915 #endif
1916 #if LIBCURL_VERSION_NUM >= 0x072700 /* Available since 7.39.0 */
1917 		case CURLOPT_PINNEDPUBLICKEY:
1918 #endif
1919 #if LIBCURL_VERSION_NUM >= 0x072b00 /* Available since 7.43.0 */
1920 		case CURLOPT_PROXY_SERVICE_NAME:
1921 		case CURLOPT_SERVICE_NAME:
1922 #endif
1923 #if LIBCURL_VERSION_NUM >= 0x072d00 /* Available since 7.45.0 */
1924 		case CURLOPT_DEFAULT_PROTOCOL:
1925 #endif
1926 #if LIBCURL_VERSION_NUM >= 0x073400 /* Available since 7.52.0 */
1927 		case CURLOPT_PRE_PROXY:
1928 		case CURLOPT_PROXY_CAINFO:
1929 		case CURLOPT_PROXY_CAPATH:
1930 		case CURLOPT_PROXY_CRLFILE:
1931 		case CURLOPT_PROXY_KEYPASSWD:
1932 		case CURLOPT_PROXY_PINNEDPUBLICKEY:
1933 		case CURLOPT_PROXY_SSL_CIPHER_LIST:
1934 		case CURLOPT_PROXY_SSLCERT:
1935 		case CURLOPT_PROXY_SSLCERTTYPE:
1936 		case CURLOPT_PROXY_SSLKEY:
1937 		case CURLOPT_PROXY_SSLKEYTYPE:
1938 		case CURLOPT_PROXY_TLSAUTH_PASSWORD:
1939 		case CURLOPT_PROXY_TLSAUTH_TYPE:
1940 		case CURLOPT_PROXY_TLSAUTH_USERNAME:
1941 #endif
1942 #if LIBCURL_VERSION_NUM >= 0x073500 /* Available since 7.53.0 */
1943 		case CURLOPT_ABSTRACT_UNIX_SOCKET:
1944 #endif
1945 #if LIBCURL_VERSION_NUM >= 0x073700 /* Available since 7.55.0 */
1946 		case CURLOPT_REQUEST_TARGET:
1947 #endif
1948 #if LIBCURL_VERSION_NUM >= 0x073d00 /* Available since 7.61.0 */
1949 		case CURLOPT_PROXY_TLS13_CIPHERS:
1950 		case CURLOPT_TLS13_CIPHERS:
1951 #endif
1952 #if LIBCURL_VERSION_NUM >= 0x074001 /* Available since 7.64.1 */
1953 		case CURLOPT_ALTSVC:
1954 #endif
1955 #if LIBCURL_VERSION_NUM >= 0x074200 /* Available since 7.66.0 */
1956 		case CURLOPT_SASL_AUTHZID:
1957 #endif
1958 #if LIBCURL_VERSION_NUM >= 0x074700 /* Available since 7.71.0 */
1959 		case CURLOPT_PROXY_ISSUERCERT:
1960 #endif
1961 #if LIBCURL_VERSION_NUM >= 0x074900 /* Available since 7.73.0 */
1962 		case CURLOPT_SSL_EC_CURVES:
1963 #endif
1964 #if LIBCURL_VERSION_NUM >= 0x074b00 /* Available since 7.75.0 */
1965 		case CURLOPT_AWS_SIGV4:
1966 #endif
1967 #if LIBCURL_VERSION_NUM >= 0x075000 /* Available since 7.80.0 */
1968 		case CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256:
1969 #endif
1970 #if LIBCURL_VERSION_NUM >= 0x075500 /* Available since 7.85.0 */
1971 		case CURLOPT_PROTOCOLS_STR:
1972 		case CURLOPT_REDIR_PROTOCOLS_STR:
1973 #endif
1974 		{
1975 			zend_string *tmp_str;
1976 			zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
1977 #if LIBCURL_VERSION_NUM >= 0x075500 /* Available since 7.85.0 */
1978 			if ((option == CURLOPT_PROTOCOLS_STR || option == CURLOPT_REDIR_PROTOCOLS_STR) &&
1979 				(PG(open_basedir) && *PG(open_basedir)) && php_memnistr(ZSTR_VAL(str), "file", sizeof("file") - 1, ZSTR_VAL(str) + ZSTR_LEN(str)) != NULL) {
1980 					php_error_docref(NULL, E_WARNING, "The FILE protocol cannot be activated when an open_basedir is set");
1981 					return FAILURE;
1982 			}
1983 #endif
1984 			zend_result ret = php_curl_option_str(ch, option, ZSTR_VAL(str), ZSTR_LEN(str));
1985 			zend_tmp_string_release(tmp_str);
1986 			return ret;
1987 		}
1988 
1989 		/* Curl nullable string options */
1990 		case CURLOPT_CUSTOMREQUEST:
1991 		case CURLOPT_FTPPORT:
1992 		case CURLOPT_RANGE:
1993 		case CURLOPT_FTP_ACCOUNT:
1994 		case CURLOPT_RTSP_SESSION_ID:
1995 		case CURLOPT_ACCEPT_ENCODING:
1996 #if LIBCURL_VERSION_NUM >= 0x072100 /* Available since 7.33.0 */
1997 		case CURLOPT_DNS_INTERFACE:
1998 		case CURLOPT_DNS_LOCAL_IP4:
1999 		case CURLOPT_DNS_LOCAL_IP6:
2000 		case CURLOPT_XOAUTH2_BEARER:
2001 #endif
2002 #if LIBCURL_VERSION_NUM >= 0x072800 /* Available since 7.40.0 */
2003 		case CURLOPT_UNIX_SOCKET_PATH:
2004 #endif
2005 #if LIBCURL_VERSION_NUM >= 0x073E00 /* Available since 7.62.0 */
2006 		case CURLOPT_DOH_URL:
2007 #endif
2008 #if LIBCURL_VERSION_NUM >= 0x074a00 /* Available since 7.74.0 */
2009 		case CURLOPT_HSTS:
2010 #endif
2011 		case CURLOPT_KRBLEVEL:
2012 		{
2013 			if (Z_ISNULL_P(zvalue)) {
2014 				error = curl_easy_setopt(ch->cp, option, NULL);
2015 			} else {
2016 				zend_string *tmp_str;
2017 				zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
2018 				zend_result ret = php_curl_option_str(ch, option, ZSTR_VAL(str), ZSTR_LEN(str));
2019 				zend_tmp_string_release(tmp_str);
2020 				return ret;
2021 			}
2022 			break;
2023 		}
2024 
2025 		/* Curl private option */
2026 		case CURLOPT_PRIVATE:
2027 		{
2028 			zval_ptr_dtor(&ch->private_data);
2029 			ZVAL_COPY(&ch->private_data, zvalue);
2030 			return SUCCESS;
2031 		}
2032 
2033 		/* Curl url option */
2034 		case CURLOPT_URL:
2035 		{
2036 			zend_string *tmp_str;
2037 			zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
2038 			zend_result ret = php_curl_option_url(ch, str);
2039 			zend_tmp_string_release(tmp_str);
2040 			return ret;
2041 		}
2042 
2043 		/* Curl file handle options */
2044 		case CURLOPT_FILE:
2045 		case CURLOPT_INFILE:
2046 		case CURLOPT_STDERR:
2047 		case CURLOPT_WRITEHEADER: {
2048 			FILE *fp = NULL;
2049 			php_stream *what = NULL;
2050 
2051 			if (Z_TYPE_P(zvalue) != IS_NULL) {
2052 				what = (php_stream *)zend_fetch_resource2_ex(zvalue, "File-Handle", php_file_le_stream(), php_file_le_pstream());
2053 				if (!what) {
2054 					return FAILURE;
2055 				}
2056 
2057 				if (FAILURE == php_stream_cast(what, PHP_STREAM_AS_STDIO, (void *) &fp, REPORT_ERRORS)) {
2058 					return FAILURE;
2059 				}
2060 
2061 				if (!fp) {
2062 					return FAILURE;
2063 				}
2064 			}
2065 
2066 			error = CURLE_OK;
2067 			switch (option) {
2068 				case CURLOPT_FILE:
2069 					if (!what) {
2070 						if (!Z_ISUNDEF(ch->handlers.write->stream)) {
2071 							zval_ptr_dtor(&ch->handlers.write->stream);
2072 							ZVAL_UNDEF(&ch->handlers.write->stream);
2073 						}
2074 						ch->handlers.write->fp = NULL;
2075 						ch->handlers.write->method = PHP_CURL_STDOUT;
2076 					} else if (what->mode[0] != 'r' || what->mode[1] == '+') {
2077 						zval_ptr_dtor(&ch->handlers.write->stream);
2078 						ch->handlers.write->fp = fp;
2079 						ch->handlers.write->method = PHP_CURL_FILE;
2080 						ZVAL_COPY(&ch->handlers.write->stream, zvalue);
2081 					} else {
2082 						zend_value_error("%s(): The provided file handle must be writable", get_active_function_name());
2083 						return FAILURE;
2084 					}
2085 					break;
2086 				case CURLOPT_WRITEHEADER:
2087 					if (!what) {
2088 						if (!Z_ISUNDEF(ch->handlers.write_header->stream)) {
2089 							zval_ptr_dtor(&ch->handlers.write_header->stream);
2090 							ZVAL_UNDEF(&ch->handlers.write_header->stream);
2091 						}
2092 						ch->handlers.write_header->fp = NULL;
2093 						ch->handlers.write_header->method = PHP_CURL_IGNORE;
2094 					} else if (what->mode[0] != 'r' || what->mode[1] == '+') {
2095 						zval_ptr_dtor(&ch->handlers.write_header->stream);
2096 						ch->handlers.write_header->fp = fp;
2097 						ch->handlers.write_header->method = PHP_CURL_FILE;
2098 						ZVAL_COPY(&ch->handlers.write_header->stream, zvalue);
2099 					} else {
2100 						zend_value_error("%s(): The provided file handle must be writable", get_active_function_name());
2101 						return FAILURE;
2102 					}
2103 					break;
2104 				case CURLOPT_INFILE:
2105 					if (!what) {
2106 						if (!Z_ISUNDEF(ch->handlers.read->stream)) {
2107 							zval_ptr_dtor(&ch->handlers.read->stream);
2108 							ZVAL_UNDEF(&ch->handlers.read->stream);
2109 						}
2110 						ch->handlers.read->fp = NULL;
2111 						ch->handlers.read->res = NULL;
2112 					} else {
2113 						zval_ptr_dtor(&ch->handlers.read->stream);
2114 						ch->handlers.read->fp = fp;
2115 						ch->handlers.read->res = Z_RES_P(zvalue);
2116 						ZVAL_COPY(&ch->handlers.read->stream, zvalue);
2117 					}
2118 					break;
2119 				case CURLOPT_STDERR:
2120 					if (!what) {
2121 						if (!Z_ISUNDEF(ch->handlers.std_err)) {
2122 							zval_ptr_dtor(&ch->handlers.std_err);
2123 							ZVAL_UNDEF(&ch->handlers.std_err);
2124 						}
2125 					} else if (what->mode[0] != 'r' || what->mode[1] == '+') {
2126 						zval_ptr_dtor(&ch->handlers.std_err);
2127 						ZVAL_COPY(&ch->handlers.std_err, zvalue);
2128 					} else {
2129 						zend_value_error("%s(): The provided file handle must be writable", get_active_function_name());
2130 						return FAILURE;
2131 					}
2132 					ZEND_FALLTHROUGH;
2133 				default:
2134 					error = curl_easy_setopt(ch->cp, option, fp);
2135 					break;
2136 			}
2137 			break;
2138 		}
2139 
2140 		/* Curl linked list options */
2141 		case CURLOPT_HTTP200ALIASES:
2142 		case CURLOPT_HTTPHEADER:
2143 		case CURLOPT_POSTQUOTE:
2144 		case CURLOPT_PREQUOTE:
2145 		case CURLOPT_QUOTE:
2146 		case CURLOPT_TELNETOPTIONS:
2147 		case CURLOPT_MAIL_RCPT:
2148 		case CURLOPT_RESOLVE:
2149 #if LIBCURL_VERSION_NUM >= 0x072500 /* Available since 7.37.0 */
2150 		case CURLOPT_PROXYHEADER:
2151 #endif
2152 #if LIBCURL_VERSION_NUM >= 0x073100 /* Available since 7.49.0 */
2153 		case CURLOPT_CONNECT_TO:
2154 #endif
2155 		{
2156 			zval *current;
2157 			HashTable *ph;
2158 			zend_string *val, *tmp_val;
2159 			struct curl_slist *slist = NULL;
2160 
2161 			if (Z_TYPE_P(zvalue) != IS_ARRAY) {
2162 				const char *name = NULL;
2163 				switch (option) {
2164 					case CURLOPT_HTTPHEADER:
2165 						name = "CURLOPT_HTTPHEADER";
2166 						break;
2167 					case CURLOPT_QUOTE:
2168 						name = "CURLOPT_QUOTE";
2169 						break;
2170 					case CURLOPT_HTTP200ALIASES:
2171 						name = "CURLOPT_HTTP200ALIASES";
2172 						break;
2173 					case CURLOPT_POSTQUOTE:
2174 						name = "CURLOPT_POSTQUOTE";
2175 						break;
2176 					case CURLOPT_PREQUOTE:
2177 						name = "CURLOPT_PREQUOTE";
2178 						break;
2179 					case CURLOPT_TELNETOPTIONS:
2180 						name = "CURLOPT_TELNETOPTIONS";
2181 						break;
2182 					case CURLOPT_MAIL_RCPT:
2183 						name = "CURLOPT_MAIL_RCPT";
2184 						break;
2185 					case CURLOPT_RESOLVE:
2186 						name = "CURLOPT_RESOLVE";
2187 						break;
2188 #if LIBCURL_VERSION_NUM >= 0x072500 /* Available since 7.37.0 */
2189 					case CURLOPT_PROXYHEADER:
2190 						name = "CURLOPT_PROXYHEADER";
2191 						break;
2192 #endif
2193 #if LIBCURL_VERSION_NUM >= 0x073100 /* Available since 7.49.0 */
2194 					case CURLOPT_CONNECT_TO:
2195 						name = "CURLOPT_CONNECT_TO";
2196 						break;
2197 #endif
2198 				}
2199 
2200 				zend_type_error("%s(): The %s option must have an array value", get_active_function_name(), name);
2201 				return FAILURE;
2202 			}
2203 
2204 			ph = Z_ARRVAL_P(zvalue);
2205 			ZEND_HASH_FOREACH_VAL(ph, current) {
2206 				ZVAL_DEREF(current);
2207 				val = zval_get_tmp_string(current, &tmp_val);
2208 				slist = curl_slist_append(slist, ZSTR_VAL(val));
2209 				zend_tmp_string_release(tmp_val);
2210 				if (!slist) {
2211 					php_error_docref(NULL, E_WARNING, "Could not build curl_slist");
2212 					return FAILURE;
2213 				}
2214 			} ZEND_HASH_FOREACH_END();
2215 
2216 			if (slist) {
2217 				if ((*ch->clone) == 1) {
2218 					zend_hash_index_update_ptr(ch->to_free->slist, option, slist);
2219 				} else {
2220 					zend_hash_next_index_insert_ptr(ch->to_free->slist, slist);
2221 				}
2222 			}
2223 
2224 			error = curl_easy_setopt(ch->cp, option, slist);
2225 
2226 			break;
2227 		}
2228 
2229 		case CURLOPT_BINARYTRANSFER:
2230 			/* Do nothing, just backward compatibility */
2231 			break;
2232 
2233 		case CURLOPT_FOLLOWLOCATION:
2234 			lval = zend_is_true(zvalue);
2235 			error = curl_easy_setopt(ch->cp, option, lval);
2236 			break;
2237 
2238 		case CURLOPT_HEADERFUNCTION:
2239 			if (!Z_ISUNDEF(ch->handlers.write_header->func_name)) {
2240 				zval_ptr_dtor(&ch->handlers.write_header->func_name);
2241 				ch->handlers.write_header->fci_cache = empty_fcall_info_cache;
2242 			}
2243 			ZVAL_COPY(&ch->handlers.write_header->func_name, zvalue);
2244 			ch->handlers.write_header->method = PHP_CURL_USER;
2245 			break;
2246 
2247 		case CURLOPT_POSTFIELDS:
2248 			if (Z_TYPE_P(zvalue) == IS_ARRAY) {
2249 				if (zend_hash_num_elements(HASH_OF(zvalue)) == 0) {
2250 					/* no need to build the mime structure for empty hashtables;
2251 					   also works around https://github.com/curl/curl/issues/6455 */
2252 					curl_easy_setopt(ch->cp, CURLOPT_POSTFIELDS, "");
2253 					error = curl_easy_setopt(ch->cp, CURLOPT_POSTFIELDSIZE, 0);
2254 				} else {
2255 					return build_mime_structure_from_hash(ch, zvalue);
2256 				}
2257 			} else {
2258 				zend_string *tmp_str;
2259 				zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
2260 				/* with curl 7.17.0 and later, we can use COPYPOSTFIELDS, but we have to provide size before */
2261 				error = curl_easy_setopt(ch->cp, CURLOPT_POSTFIELDSIZE, ZSTR_LEN(str));
2262 				error = curl_easy_setopt(ch->cp, CURLOPT_COPYPOSTFIELDS, ZSTR_VAL(str));
2263 				zend_tmp_string_release(tmp_str);
2264 			}
2265 			break;
2266 
2267 		case CURLOPT_PROGRESSFUNCTION:
2268 			curl_easy_setopt(ch->cp, CURLOPT_PROGRESSFUNCTION,	curl_progress);
2269 			curl_easy_setopt(ch->cp, CURLOPT_PROGRESSDATA, ch);
2270 			if (ch->handlers.progress == NULL) {
2271 				ch->handlers.progress = ecalloc(1, sizeof(php_curl_callback));
2272 			} else if (!Z_ISUNDEF(ch->handlers.progress->func_name)) {
2273 				zval_ptr_dtor(&ch->handlers.progress->func_name);
2274 				ch->handlers.progress->fci_cache = empty_fcall_info_cache;
2275 			}
2276 			ZVAL_COPY(&ch->handlers.progress->func_name, zvalue);
2277 			break;
2278 
2279 #if LIBCURL_VERSION_NUM >= 0x075400 /* Available since 7.84.0 */
2280 		case CURLOPT_SSH_HOSTKEYFUNCTION:
2281 			curl_easy_setopt(ch->cp, CURLOPT_SSH_HOSTKEYFUNCTION, curl_ssh_hostkeyfunction);
2282 			curl_easy_setopt(ch->cp, CURLOPT_SSH_HOSTKEYDATA, ch);
2283 			if (ch->handlers.sshhostkey == NULL) {
2284 				ch->handlers.sshhostkey = ecalloc(1, sizeof(php_curl_callback));
2285 			} else if (!Z_ISUNDEF(ch->handlers.sshhostkey->func_name)) {
2286 				zval_ptr_dtor(&ch->handlers.sshhostkey->func_name);
2287 				ch->handlers.sshhostkey->fci_cache = empty_fcall_info_cache;
2288 			}
2289 			ZVAL_COPY(&ch->handlers.sshhostkey->func_name, zvalue);
2290 			break;
2291 #endif
2292 
2293 		case CURLOPT_READFUNCTION:
2294 			if (!Z_ISUNDEF(ch->handlers.read->func_name)) {
2295 				zval_ptr_dtor(&ch->handlers.read->func_name);
2296 				ch->handlers.read->fci_cache = empty_fcall_info_cache;
2297 			}
2298 			ZVAL_COPY(&ch->handlers.read->func_name, zvalue);
2299 			ch->handlers.read->method = PHP_CURL_USER;
2300 			break;
2301 
2302 		case CURLOPT_RETURNTRANSFER:
2303 			if (zend_is_true(zvalue)) {
2304 				ch->handlers.write->method = PHP_CURL_RETURN;
2305 			} else {
2306 				ch->handlers.write->method = PHP_CURL_STDOUT;
2307 			}
2308 			break;
2309 
2310 		case CURLOPT_WRITEFUNCTION:
2311 			if (!Z_ISUNDEF(ch->handlers.write->func_name)) {
2312 				zval_ptr_dtor(&ch->handlers.write->func_name);
2313 				ch->handlers.write->fci_cache = empty_fcall_info_cache;
2314 			}
2315 			ZVAL_COPY(&ch->handlers.write->func_name, zvalue);
2316 			ch->handlers.write->method = PHP_CURL_USER;
2317 			break;
2318 
2319 #if LIBCURL_VERSION_NUM >= 0x072000
2320 		case CURLOPT_XFERINFOFUNCTION:
2321 			curl_easy_setopt(ch->cp, CURLOPT_XFERINFOFUNCTION,	curl_xferinfo);
2322 			curl_easy_setopt(ch->cp, CURLOPT_XFERINFODATA, ch);
2323 			if (ch->handlers.xferinfo == NULL) {
2324 				ch->handlers.xferinfo = ecalloc(1, sizeof(php_curl_callback));
2325 			} else if (!Z_ISUNDEF(ch->handlers.xferinfo->func_name)) {
2326 				zval_ptr_dtor(&ch->handlers.xferinfo->func_name);
2327 				ch->handlers.xferinfo->fci_cache = empty_fcall_info_cache;
2328 			}
2329 			ZVAL_COPY(&ch->handlers.xferinfo->func_name, zvalue);
2330 			break;
2331 #endif
2332 
2333 		/* Curl off_t options */
2334 		case CURLOPT_MAX_RECV_SPEED_LARGE:
2335 		case CURLOPT_MAX_SEND_SPEED_LARGE:
2336 		case CURLOPT_MAXFILESIZE_LARGE:
2337 #if LIBCURL_VERSION_NUM >= 0x073b00 /* Available since 7.59.0 */
2338 		case CURLOPT_TIMEVALUE_LARGE:
2339 #endif
2340 			lval = zval_get_long(zvalue);
2341 			error = curl_easy_setopt(ch->cp, option, (curl_off_t)lval);
2342 			break;
2343 
2344 		case CURLOPT_POSTREDIR:
2345 			lval = zval_get_long(zvalue);
2346 			error = curl_easy_setopt(ch->cp, CURLOPT_POSTREDIR, lval & CURL_REDIR_POST_ALL);
2347 			break;
2348 
2349 		/* the following options deal with files, therefore the open_basedir check
2350 		 * is required.
2351 		 */
2352 		case CURLOPT_COOKIEFILE:
2353 		case CURLOPT_COOKIEJAR:
2354 		case CURLOPT_RANDOM_FILE:
2355 		case CURLOPT_SSLCERT:
2356 		case CURLOPT_NETRC_FILE:
2357 		case CURLOPT_SSH_PRIVATE_KEYFILE:
2358 		case CURLOPT_SSH_PUBLIC_KEYFILE:
2359 		case CURLOPT_CRLFILE:
2360 		case CURLOPT_ISSUERCERT:
2361 		case CURLOPT_SSH_KNOWNHOSTS:
2362 		{
2363 		    zend_string *tmp_str;
2364 			zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
2365 			zend_result ret;
2366 
2367 			if (ZSTR_LEN(str) && php_check_open_basedir(ZSTR_VAL(str))) {
2368 				zend_tmp_string_release(tmp_str);
2369 				return FAILURE;
2370 			}
2371 
2372 			ret = php_curl_option_str(ch, option, ZSTR_VAL(str), ZSTR_LEN(str));
2373 			zend_tmp_string_release(tmp_str);
2374 			return ret;
2375 		}
2376 
2377 		case CURLINFO_HEADER_OUT:
2378 			if (zend_is_true(zvalue)) {
2379 				curl_easy_setopt(ch->cp, CURLOPT_DEBUGFUNCTION, curl_debug);
2380 				curl_easy_setopt(ch->cp, CURLOPT_DEBUGDATA, (void *)ch);
2381 				curl_easy_setopt(ch->cp, CURLOPT_VERBOSE, 1);
2382 			} else {
2383 				curl_easy_setopt(ch->cp, CURLOPT_DEBUGFUNCTION, NULL);
2384 				curl_easy_setopt(ch->cp, CURLOPT_DEBUGDATA, NULL);
2385 				curl_easy_setopt(ch->cp, CURLOPT_VERBOSE, 0);
2386 			}
2387 			break;
2388 
2389 		case CURLOPT_SHARE:
2390 			{
2391 				if (Z_TYPE_P(zvalue) == IS_OBJECT && Z_OBJCE_P(zvalue) == curl_share_ce) {
2392 					php_curlsh *sh = Z_CURL_SHARE_P(zvalue);
2393 					curl_easy_setopt(ch->cp, CURLOPT_SHARE, sh->share);
2394 
2395 					if (ch->share) {
2396 						OBJ_RELEASE(&ch->share->std);
2397 					}
2398 					GC_ADDREF(&sh->std);
2399 					ch->share = sh;
2400 				}
2401 			}
2402 			break;
2403 
2404 		case CURLOPT_FNMATCH_FUNCTION:
2405 			curl_easy_setopt(ch->cp, CURLOPT_FNMATCH_FUNCTION, curl_fnmatch);
2406 			curl_easy_setopt(ch->cp, CURLOPT_FNMATCH_DATA, ch);
2407 			if (ch->handlers.fnmatch == NULL) {
2408 				ch->handlers.fnmatch = ecalloc(1, sizeof(php_curl_callback));
2409 			} else if (!Z_ISUNDEF(ch->handlers.fnmatch->func_name)) {
2410 				zval_ptr_dtor(&ch->handlers.fnmatch->func_name);
2411 				ch->handlers.fnmatch->fci_cache = empty_fcall_info_cache;
2412 			}
2413 			ZVAL_COPY(&ch->handlers.fnmatch->func_name, zvalue);
2414 			break;
2415 
2416 		/* Curl blob options */
2417 #if LIBCURL_VERSION_NUM >= 0x074700 /* Available since 7.71.0 */
2418 		case CURLOPT_ISSUERCERT_BLOB:
2419 		case CURLOPT_PROXY_ISSUERCERT_BLOB:
2420 		case CURLOPT_PROXY_SSLCERT_BLOB:
2421 		case CURLOPT_PROXY_SSLKEY_BLOB:
2422 		case CURLOPT_SSLCERT_BLOB:
2423 		case CURLOPT_SSLKEY_BLOB:
2424 #if LIBCURL_VERSION_NUM >= 0x074d00 /* Available since 7.77.0 */
2425 		case CURLOPT_CAINFO_BLOB:
2426 		case CURLOPT_PROXY_CAINFO_BLOB:
2427 #endif
2428 			{
2429 				zend_string *tmp_str;
2430 				zend_string *str = zval_get_tmp_string(zvalue, &tmp_str);
2431 
2432 				struct curl_blob stblob;
2433 				stblob.data = ZSTR_VAL(str);
2434 				stblob.len = ZSTR_LEN(str);
2435 				stblob.flags = CURL_BLOB_COPY;
2436 				error = curl_easy_setopt(ch->cp, option, &stblob);
2437 
2438 				zend_tmp_string_release(tmp_str);
2439 			}
2440 			break;
2441 #endif
2442 
2443 		default:
2444 			if (is_array_config) {
2445 				zend_argument_value_error(2, "must contain only valid cURL options");
2446 			} else {
2447 				zend_argument_value_error(2, "is not a valid cURL option");
2448 			}
2449 			error = CURLE_UNKNOWN_OPTION;
2450 			break;
2451 	}
2452 
2453 	SAVE_CURL_ERROR(ch, error);
2454 	if (error != CURLE_OK) {
2455 		return FAILURE;
2456 	} else {
2457 		return SUCCESS;
2458 	}
2459 }
2460 /* }}} */
2461 
2462 /* {{{ Set an option for a cURL transfer */
PHP_FUNCTION(curl_setopt)2463 PHP_FUNCTION(curl_setopt)
2464 {
2465 	zval       *zid, *zvalue;
2466 	zend_long        options;
2467 	php_curl   *ch;
2468 
2469 	ZEND_PARSE_PARAMETERS_START(3, 3)
2470 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2471 		Z_PARAM_LONG(options)
2472 		Z_PARAM_ZVAL(zvalue)
2473 	ZEND_PARSE_PARAMETERS_END();
2474 
2475 	ch = Z_CURL_P(zid);
2476 
2477 	if (_php_curl_setopt(ch, options, zvalue, 0) == SUCCESS) {
2478 		RETURN_TRUE;
2479 	} else {
2480 		RETURN_FALSE;
2481 	}
2482 }
2483 /* }}} */
2484 
2485 /* {{{ Set an array of option for a cURL transfer */
PHP_FUNCTION(curl_setopt_array)2486 PHP_FUNCTION(curl_setopt_array)
2487 {
2488 	zval		*zid, *arr, *entry;
2489 	php_curl	*ch;
2490 	zend_ulong	option;
2491 	zend_string	*string_key;
2492 
2493 	ZEND_PARSE_PARAMETERS_START(2, 2)
2494 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2495 		Z_PARAM_ARRAY(arr)
2496 	ZEND_PARSE_PARAMETERS_END();
2497 
2498 	ch = Z_CURL_P(zid);
2499 
2500 	ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(arr), option, string_key, entry) {
2501 		if (string_key) {
2502 			zend_argument_value_error(2, "contains an invalid cURL option");
2503 			RETURN_THROWS();
2504 		}
2505 
2506 		ZVAL_DEREF(entry);
2507 		if (_php_curl_setopt(ch, (zend_long) option, entry, 1) == FAILURE) {
2508 			RETURN_FALSE;
2509 		}
2510 	} ZEND_HASH_FOREACH_END();
2511 
2512 	RETURN_TRUE;
2513 }
2514 /* }}} */
2515 
2516 /* {{{ _php_curl_cleanup_handle(ch)
2517    Cleanup an execution phase */
_php_curl_cleanup_handle(php_curl * ch)2518 void _php_curl_cleanup_handle(php_curl *ch)
2519 {
2520 	smart_str_free(&ch->handlers.write->buf);
2521 	if (ch->header.str) {
2522 		zend_string_release_ex(ch->header.str, 0);
2523 		ch->header.str = NULL;
2524 	}
2525 
2526 	memset(ch->err.str, 0, CURL_ERROR_SIZE + 1);
2527 	ch->err.no = 0;
2528 }
2529 /* }}} */
2530 
2531 /* {{{ Perform a cURL session */
PHP_FUNCTION(curl_exec)2532 PHP_FUNCTION(curl_exec)
2533 {
2534 	CURLcode	error;
2535 	zval		*zid;
2536 	php_curl	*ch;
2537 
2538 	ZEND_PARSE_PARAMETERS_START(1, 1)
2539 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2540 	ZEND_PARSE_PARAMETERS_END();
2541 
2542 	ch = Z_CURL_P(zid);
2543 
2544 	_php_curl_verify_handlers(ch, /* reporterror */ true);
2545 
2546 	_php_curl_cleanup_handle(ch);
2547 
2548 	error = curl_easy_perform(ch->cp);
2549 	SAVE_CURL_ERROR(ch, error);
2550 
2551 	if (error != CURLE_OK) {
2552 		smart_str_free(&ch->handlers.write->buf);
2553 		RETURN_FALSE;
2554 	}
2555 
2556 	if (!Z_ISUNDEF(ch->handlers.std_err)) {
2557 		php_stream  *stream;
2558 		stream = (php_stream*)zend_fetch_resource2_ex(&ch->handlers.std_err, NULL, php_file_le_stream(), php_file_le_pstream());
2559 		if (stream) {
2560 			php_stream_flush(stream);
2561 		}
2562 	}
2563 
2564 	if (ch->handlers.write->method == PHP_CURL_RETURN && ch->handlers.write->buf.s) {
2565 		smart_str_0(&ch->handlers.write->buf);
2566 		RETURN_STR_COPY(ch->handlers.write->buf.s);
2567 	}
2568 
2569 	/* flush the file handle, so any remaining data is synched to disk */
2570 	if (ch->handlers.write->method == PHP_CURL_FILE && ch->handlers.write->fp) {
2571 		fflush(ch->handlers.write->fp);
2572 	}
2573 	if (ch->handlers.write_header->method == PHP_CURL_FILE && ch->handlers.write_header->fp) {
2574 		fflush(ch->handlers.write_header->fp);
2575 	}
2576 
2577 	if (ch->handlers.write->method == PHP_CURL_RETURN) {
2578 		RETURN_EMPTY_STRING();
2579 	} else {
2580 		RETURN_TRUE;
2581 	}
2582 }
2583 /* }}} */
2584 
2585 /* {{{ Get information regarding a specific transfer */
PHP_FUNCTION(curl_getinfo)2586 PHP_FUNCTION(curl_getinfo)
2587 {
2588 	zval		*zid;
2589 	php_curl	*ch;
2590 	zend_long	option;
2591 	bool option_is_null = 1;
2592 
2593 	ZEND_PARSE_PARAMETERS_START(1, 2)
2594 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2595 		Z_PARAM_OPTIONAL
2596 		Z_PARAM_LONG_OR_NULL(option, option_is_null)
2597 	ZEND_PARSE_PARAMETERS_END();
2598 
2599 	ch = Z_CURL_P(zid);
2600 
2601 	if (option_is_null) {
2602 		char *s_code;
2603 		/* libcurl expects long datatype. So far no cases are known where
2604 		   it would be an issue. Using zend_long would truncate a 64-bit
2605 		   var on Win64, so the exact long datatype fits everywhere, as
2606 		   long as there's no 32-bit int overflow. */
2607 		long l_code;
2608 		double d_code;
2609 		struct curl_certinfo *ci = NULL;
2610 		zval listcode;
2611 #if LIBCURL_VERSION_NUM >= 0x073d00 /* 7.61.0 */
2612 		curl_off_t co;
2613 #endif
2614 
2615 		array_init(return_value);
2616 
2617 		if (curl_easy_getinfo(ch->cp, CURLINFO_EFFECTIVE_URL, &s_code) == CURLE_OK) {
2618 			CAAS("url", s_code);
2619 		}
2620 		if (curl_easy_getinfo(ch->cp, CURLINFO_CONTENT_TYPE, &s_code) == CURLE_OK) {
2621 			if (s_code != NULL) {
2622 				CAAS("content_type", s_code);
2623 			} else {
2624 				zval retnull;
2625 				ZVAL_NULL(&retnull);
2626 				CAAZ("content_type", &retnull);
2627 			}
2628 		}
2629 		if (curl_easy_getinfo(ch->cp, CURLINFO_HTTP_CODE, &l_code) == CURLE_OK) {
2630 			CAAL("http_code", l_code);
2631 		}
2632 		if (curl_easy_getinfo(ch->cp, CURLINFO_HEADER_SIZE, &l_code) == CURLE_OK) {
2633 			CAAL("header_size", l_code);
2634 		}
2635 		if (curl_easy_getinfo(ch->cp, CURLINFO_REQUEST_SIZE, &l_code) == CURLE_OK) {
2636 			CAAL("request_size", l_code);
2637 		}
2638 		if (curl_easy_getinfo(ch->cp, CURLINFO_FILETIME, &l_code) == CURLE_OK) {
2639 			CAAL("filetime", l_code);
2640 		}
2641 		if (curl_easy_getinfo(ch->cp, CURLINFO_SSL_VERIFYRESULT, &l_code) == CURLE_OK) {
2642 			CAAL("ssl_verify_result", l_code);
2643 		}
2644 		if (curl_easy_getinfo(ch->cp, CURLINFO_REDIRECT_COUNT, &l_code) == CURLE_OK) {
2645 			CAAL("redirect_count", l_code);
2646 		}
2647 		if (curl_easy_getinfo(ch->cp, CURLINFO_TOTAL_TIME, &d_code) == CURLE_OK) {
2648 			CAAD("total_time", d_code);
2649 		}
2650 		if (curl_easy_getinfo(ch->cp, CURLINFO_NAMELOOKUP_TIME, &d_code) == CURLE_OK) {
2651 			CAAD("namelookup_time", d_code);
2652 		}
2653 		if (curl_easy_getinfo(ch->cp, CURLINFO_CONNECT_TIME, &d_code) == CURLE_OK) {
2654 			CAAD("connect_time", d_code);
2655 		}
2656 		if (curl_easy_getinfo(ch->cp, CURLINFO_PRETRANSFER_TIME, &d_code) == CURLE_OK) {
2657 			CAAD("pretransfer_time", d_code);
2658 		}
2659 		if (curl_easy_getinfo(ch->cp, CURLINFO_SIZE_UPLOAD, &d_code) == CURLE_OK) {
2660 			CAAD("size_upload", d_code);
2661 		}
2662 		if (curl_easy_getinfo(ch->cp, CURLINFO_SIZE_DOWNLOAD, &d_code) == CURLE_OK) {
2663 			CAAD("size_download", d_code);
2664 		}
2665 		if (curl_easy_getinfo(ch->cp, CURLINFO_SPEED_DOWNLOAD, &d_code) == CURLE_OK) {
2666 			CAAD("speed_download", d_code);
2667 		}
2668 		if (curl_easy_getinfo(ch->cp, CURLINFO_SPEED_UPLOAD, &d_code) == CURLE_OK) {
2669 			CAAD("speed_upload", d_code);
2670 		}
2671 		if (curl_easy_getinfo(ch->cp, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d_code) == CURLE_OK) {
2672 			CAAD("download_content_length", d_code);
2673 		}
2674 		if (curl_easy_getinfo(ch->cp, CURLINFO_CONTENT_LENGTH_UPLOAD, &d_code) == CURLE_OK) {
2675 			CAAD("upload_content_length", d_code);
2676 		}
2677 		if (curl_easy_getinfo(ch->cp, CURLINFO_STARTTRANSFER_TIME, &d_code) == CURLE_OK) {
2678 			CAAD("starttransfer_time", d_code);
2679 		}
2680 		if (curl_easy_getinfo(ch->cp, CURLINFO_REDIRECT_TIME, &d_code) == CURLE_OK) {
2681 			CAAD("redirect_time", d_code);
2682 		}
2683 		if (curl_easy_getinfo(ch->cp, CURLINFO_REDIRECT_URL, &s_code) == CURLE_OK) {
2684 			CAAS("redirect_url", s_code);
2685 		}
2686 		if (curl_easy_getinfo(ch->cp, CURLINFO_PRIMARY_IP, &s_code) == CURLE_OK) {
2687 			CAAS("primary_ip", s_code);
2688 		}
2689 		if (curl_easy_getinfo(ch->cp, CURLINFO_CERTINFO, &ci) == CURLE_OK) {
2690 			array_init(&listcode);
2691 			create_certinfo(ci, &listcode);
2692 			CAAZ("certinfo", &listcode);
2693 		}
2694 		if (curl_easy_getinfo(ch->cp, CURLINFO_PRIMARY_PORT, &l_code) == CURLE_OK) {
2695 			CAAL("primary_port", l_code);
2696 		}
2697 		if (curl_easy_getinfo(ch->cp, CURLINFO_LOCAL_IP, &s_code) == CURLE_OK) {
2698 			CAAS("local_ip", s_code);
2699 		}
2700 		if (curl_easy_getinfo(ch->cp, CURLINFO_LOCAL_PORT, &l_code) == CURLE_OK) {
2701 			CAAL("local_port", l_code);
2702 		}
2703 #if LIBCURL_VERSION_NUM >= 0x073200 /* Available since 7.50.0 */
2704 		if (curl_easy_getinfo(ch->cp, CURLINFO_HTTP_VERSION, &l_code) == CURLE_OK) {
2705 			CAAL("http_version", l_code);
2706 		}
2707 #endif
2708 #if LIBCURL_VERSION_NUM >= 0x073400 /* Available since 7.52.0 */
2709 		if (curl_easy_getinfo(ch->cp, CURLINFO_PROTOCOL, &l_code) == CURLE_OK) {
2710 			CAAL("protocol", l_code);
2711 		}
2712 		if (curl_easy_getinfo(ch->cp, CURLINFO_PROXY_SSL_VERIFYRESULT, &l_code) == CURLE_OK) {
2713 			CAAL("ssl_verifyresult", l_code);
2714 		}
2715 		if (curl_easy_getinfo(ch->cp, CURLINFO_SCHEME, &s_code) == CURLE_OK) {
2716 			CAAS("scheme", s_code);
2717 		}
2718 #endif
2719 #if LIBCURL_VERSION_NUM >= 0x073d00 /* Available since 7.61.0 */
2720 		if (curl_easy_getinfo(ch->cp, CURLINFO_APPCONNECT_TIME_T, &co) == CURLE_OK) {
2721 			CAAL("appconnect_time_us", co);
2722 		}
2723 		if (curl_easy_getinfo(ch->cp, CURLINFO_CONNECT_TIME_T, &co) == CURLE_OK) {
2724 			CAAL("connect_time_us", co);
2725 		}
2726 		if (curl_easy_getinfo(ch->cp, CURLINFO_NAMELOOKUP_TIME_T, &co) == CURLE_OK) {
2727 			CAAL("namelookup_time_us", co);
2728 		}
2729 		if (curl_easy_getinfo(ch->cp, CURLINFO_PRETRANSFER_TIME_T, &co) == CURLE_OK) {
2730 			CAAL("pretransfer_time_us", co);
2731 		}
2732 		if (curl_easy_getinfo(ch->cp, CURLINFO_REDIRECT_TIME_T, &co) == CURLE_OK) {
2733 			CAAL("redirect_time_us", co);
2734 		}
2735 		if (curl_easy_getinfo(ch->cp, CURLINFO_STARTTRANSFER_TIME_T, &co) == CURLE_OK) {
2736 			CAAL("starttransfer_time_us", co);
2737 		}
2738 		if (curl_easy_getinfo(ch->cp, CURLINFO_TOTAL_TIME_T, &co) == CURLE_OK) {
2739 			CAAL("total_time_us", co);
2740 		}
2741 #endif
2742 		if (ch->header.str) {
2743 			CAASTR("request_header", ch->header.str);
2744 		}
2745 #if LIBCURL_VERSION_NUM >= 0x074800 /* Available since 7.72.0 */
2746 		if (curl_easy_getinfo(ch->cp, CURLINFO_EFFECTIVE_METHOD, &s_code) == CURLE_OK) {
2747 			CAAS("effective_method", s_code);
2748 		}
2749 #endif
2750 #if LIBCURL_VERSION_NUM >= 0x075400 /* Available since 7.84.0 */
2751 		if (curl_easy_getinfo(ch->cp, CURLINFO_CAPATH, &s_code) == CURLE_OK) {
2752 			CAAS("capath", s_code);
2753 		}
2754 		if (curl_easy_getinfo(ch->cp, CURLINFO_CAINFO, &s_code) == CURLE_OK) {
2755 			CAAS("cainfo", s_code);
2756 		}
2757 #endif
2758 	} else {
2759 		switch (option) {
2760 			case CURLINFO_HEADER_OUT:
2761 				if (ch->header.str) {
2762 					RETURN_STR_COPY(ch->header.str);
2763 				} else {
2764 					RETURN_FALSE;
2765 				}
2766 			case CURLINFO_CERTINFO: {
2767 				struct curl_certinfo *ci = NULL;
2768 
2769 				array_init(return_value);
2770 
2771 				if (curl_easy_getinfo(ch->cp, CURLINFO_CERTINFO, &ci) == CURLE_OK) {
2772 					create_certinfo(ci, return_value);
2773 				} else {
2774 					RETURN_FALSE;
2775 				}
2776 				break;
2777 			}
2778 			case CURLINFO_PRIVATE:
2779 				if (!Z_ISUNDEF(ch->private_data)) {
2780 					RETURN_COPY(&ch->private_data);
2781 				} else {
2782 					RETURN_FALSE;
2783 				}
2784 				break;
2785 			default: {
2786 				int type = CURLINFO_TYPEMASK & option;
2787 				switch (type) {
2788 					case CURLINFO_STRING:
2789 					{
2790 						char *s_code = NULL;
2791 
2792 						if (curl_easy_getinfo(ch->cp, option, &s_code) == CURLE_OK && s_code) {
2793 							RETURN_STRING(s_code);
2794 						} else {
2795 							RETURN_FALSE;
2796 						}
2797 						break;
2798 					}
2799 					case CURLINFO_LONG:
2800 					{
2801 						zend_long code = 0;
2802 
2803 						if (curl_easy_getinfo(ch->cp, option, &code) == CURLE_OK) {
2804 							RETURN_LONG(code);
2805 						} else {
2806 							RETURN_FALSE;
2807 						}
2808 						break;
2809 					}
2810 					case CURLINFO_DOUBLE:
2811 					{
2812 						double code = 0.0;
2813 
2814 						if (curl_easy_getinfo(ch->cp, option, &code) == CURLE_OK) {
2815 							RETURN_DOUBLE(code);
2816 						} else {
2817 							RETURN_FALSE;
2818 						}
2819 						break;
2820 					}
2821 					case CURLINFO_SLIST:
2822 					{
2823 						struct curl_slist *slist;
2824 						if (curl_easy_getinfo(ch->cp, option, &slist) == CURLE_OK) {
2825 							struct curl_slist *current = slist;
2826 							array_init(return_value);
2827 							while (current) {
2828 								add_next_index_string(return_value, current->data);
2829 								current = current->next;
2830 							}
2831 							curl_slist_free_all(slist);
2832 						} else {
2833 							RETURN_FALSE;
2834 						}
2835 						break;
2836 					}
2837 #if LIBCURL_VERSION_NUM >= 0x073700 /* Available since 7.55.0 */
2838 					case CURLINFO_OFF_T:
2839 					{
2840 						curl_off_t c_off;
2841 						if (curl_easy_getinfo(ch->cp, option, &c_off) == CURLE_OK) {
2842 							RETURN_LONG((long) c_off);
2843 						} else {
2844 							RETURN_FALSE;
2845 						}
2846 						break;
2847 					}
2848 #endif
2849 					default:
2850 						RETURN_FALSE;
2851 				}
2852 			}
2853 		}
2854 	}
2855 }
2856 /* }}} */
2857 
2858 /* {{{ Return a string contain the last error for the current session */
PHP_FUNCTION(curl_error)2859 PHP_FUNCTION(curl_error)
2860 {
2861 	zval		*zid;
2862 	php_curl	*ch;
2863 
2864 	ZEND_PARSE_PARAMETERS_START(1, 1)
2865 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2866 	ZEND_PARSE_PARAMETERS_END();
2867 
2868 	ch = Z_CURL_P(zid);
2869 
2870 	if (ch->err.no) {
2871 		ch->err.str[CURL_ERROR_SIZE] = 0;
2872 		RETURN_STRING(ch->err.str);
2873 	} else {
2874 		RETURN_EMPTY_STRING();
2875 	}
2876 }
2877 /* }}} */
2878 
2879 /* {{{ Return an integer containing the last error number */
PHP_FUNCTION(curl_errno)2880 PHP_FUNCTION(curl_errno)
2881 {
2882 	zval		*zid;
2883 	php_curl	*ch;
2884 
2885 	ZEND_PARSE_PARAMETERS_START(1,1)
2886 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2887 	ZEND_PARSE_PARAMETERS_END();
2888 
2889 	ch = Z_CURL_P(zid);
2890 
2891 	RETURN_LONG(ch->err.no);
2892 }
2893 /* }}} */
2894 
2895 /* {{{ Close a cURL session */
PHP_FUNCTION(curl_close)2896 PHP_FUNCTION(curl_close)
2897 {
2898 	zval		*zid;
2899 	php_curl	*ch;
2900 
2901 	ZEND_PARSE_PARAMETERS_START(1, 1)
2902 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
2903 	ZEND_PARSE_PARAMETERS_END();
2904 
2905 	ch = Z_CURL_P(zid);
2906 
2907 	if (ch->in_callback) {
2908 		zend_throw_error(NULL, "%s(): Attempt to close cURL handle from a callback", get_active_function_name());
2909 		RETURN_THROWS();
2910 	}
2911 }
2912 /* }}} */
2913 
_php_curl_free_callback(php_curl_callback * callback)2914 static void _php_curl_free_callback(php_curl_callback* callback)
2915 {
2916 	if (callback) {
2917 		zval_ptr_dtor(&callback->func_name);
2918 		efree(callback);
2919 	}
2920 }
2921 
curl_free_obj(zend_object * object)2922 static void curl_free_obj(zend_object *object)
2923 {
2924 	php_curl *ch = curl_from_obj(object);
2925 
2926 #if PHP_CURL_DEBUG
2927 	fprintf(stderr, "DTOR CALLED, ch = %x\n", ch);
2928 #endif
2929 
2930 	if (!ch->cp) {
2931 		/* Can happen if constructor throws. */
2932 		zend_object_std_dtor(&ch->std);
2933 		return;
2934 	}
2935 
2936 	_php_curl_verify_handlers(ch, /* reporterror */ false);
2937 
2938 	/*
2939 	 * Libcurl is doing connection caching. When easy handle is cleaned up,
2940 	 * if the handle was previously used by the curl_multi_api, the connection
2941 	 * remains open un the curl multi handle is cleaned up. Some protocols are
2942 	 * sending content like the FTP one, and libcurl try to use the
2943 	 * WRITEFUNCTION or the HEADERFUNCTION. Since structures used in those
2944 	 * callback are freed, we need to use an other callback to which avoid
2945 	 * segfaults.
2946 	 *
2947 	 * Libcurl commit d021f2e8a00 fix this issue and should be part of 7.28.2
2948 	 */
2949 	curl_easy_setopt(ch->cp, CURLOPT_HEADERFUNCTION, curl_write_nothing);
2950 	curl_easy_setopt(ch->cp, CURLOPT_WRITEFUNCTION, curl_write_nothing);
2951 
2952 	curl_easy_cleanup(ch->cp);
2953 
2954 	/* cURL destructors should be invoked only by last curl handle */
2955 	if (--(*ch->clone) == 0) {
2956 		zend_llist_clean(&ch->to_free->post);
2957 		zend_llist_clean(&ch->to_free->stream);
2958 
2959 #if LIBCURL_VERSION_NUM < 0x073800 /* 7.56.0 */
2960 		zend_llist_clean(&ch->to_free->buffers);
2961 #endif
2962 
2963 		zend_hash_destroy(ch->to_free->slist);
2964 		efree(ch->to_free->slist);
2965 		efree(ch->to_free);
2966 		efree(ch->clone);
2967 	}
2968 
2969 	smart_str_free(&ch->handlers.write->buf);
2970 	zval_ptr_dtor(&ch->handlers.write->func_name);
2971 	zval_ptr_dtor(&ch->handlers.read->func_name);
2972 	zval_ptr_dtor(&ch->handlers.write_header->func_name);
2973 	zval_ptr_dtor(&ch->handlers.std_err);
2974 	if (ch->header.str) {
2975 		zend_string_release_ex(ch->header.str, 0);
2976 	}
2977 
2978 	zval_ptr_dtor(&ch->handlers.write_header->stream);
2979 	zval_ptr_dtor(&ch->handlers.write->stream);
2980 	zval_ptr_dtor(&ch->handlers.read->stream);
2981 
2982 	efree(ch->handlers.write);
2983 	efree(ch->handlers.write_header);
2984 	efree(ch->handlers.read);
2985 
2986 	_php_curl_free_callback(ch->handlers.progress);
2987 #if LIBCURL_VERSION_NUM >= 0x072000
2988 	_php_curl_free_callback(ch->handlers.xferinfo);
2989 #endif
2990 	_php_curl_free_callback(ch->handlers.fnmatch);
2991 #if LIBCURL_VERSION_NUM >= 0x075400
2992 	_php_curl_free_callback(ch->handlers.sshhostkey);
2993 #endif
2994 
2995 	zval_ptr_dtor(&ch->postfields);
2996 	zval_ptr_dtor(&ch->private_data);
2997 
2998 	if (ch->share) {
2999 		OBJ_RELEASE(&ch->share->std);
3000 	}
3001 
3002 	zend_object_std_dtor(&ch->std);
3003 }
3004 /* }}} */
3005 
3006 /* {{{ return string describing error code */
PHP_FUNCTION(curl_strerror)3007 PHP_FUNCTION(curl_strerror)
3008 {
3009 	zend_long code;
3010 	const char *str;
3011 
3012 	ZEND_PARSE_PARAMETERS_START(1, 1)
3013 		Z_PARAM_LONG(code)
3014 	ZEND_PARSE_PARAMETERS_END();
3015 
3016 	str = curl_easy_strerror(code);
3017 	if (str) {
3018 		RETURN_STRING(str);
3019 	} else {
3020 		RETURN_NULL();
3021 	}
3022 }
3023 /* }}} */
3024 
3025 /* {{{ _php_curl_reset_handlers()
3026    Reset all handlers of a given php_curl */
_php_curl_reset_handlers(php_curl * ch)3027 static void _php_curl_reset_handlers(php_curl *ch)
3028 {
3029 	if (!Z_ISUNDEF(ch->handlers.write->stream)) {
3030 		zval_ptr_dtor(&ch->handlers.write->stream);
3031 		ZVAL_UNDEF(&ch->handlers.write->stream);
3032 	}
3033 	ch->handlers.write->fp = NULL;
3034 	ch->handlers.write->method = PHP_CURL_STDOUT;
3035 
3036 	if (!Z_ISUNDEF(ch->handlers.write_header->stream)) {
3037 		zval_ptr_dtor(&ch->handlers.write_header->stream);
3038 		ZVAL_UNDEF(&ch->handlers.write_header->stream);
3039 	}
3040 	ch->handlers.write_header->fp = NULL;
3041 	ch->handlers.write_header->method = PHP_CURL_IGNORE;
3042 
3043 	if (!Z_ISUNDEF(ch->handlers.read->stream)) {
3044 		zval_ptr_dtor(&ch->handlers.read->stream);
3045 		ZVAL_UNDEF(&ch->handlers.read->stream);
3046 	}
3047 	ch->handlers.read->fp = NULL;
3048 	ch->handlers.read->res = NULL;
3049 	ch->handlers.read->method  = PHP_CURL_DIRECT;
3050 
3051 	if (!Z_ISUNDEF(ch->handlers.std_err)) {
3052 		zval_ptr_dtor(&ch->handlers.std_err);
3053 		ZVAL_UNDEF(&ch->handlers.std_err);
3054 	}
3055 
3056 	if (ch->handlers.progress) {
3057 		zval_ptr_dtor(&ch->handlers.progress->func_name);
3058 		efree(ch->handlers.progress);
3059 		ch->handlers.progress = NULL;
3060 	}
3061 
3062 #if LIBCURL_VERSION_NUM >= 0x072000
3063 	if (ch->handlers.xferinfo) {
3064 		zval_ptr_dtor(&ch->handlers.xferinfo->func_name);
3065 		efree(ch->handlers.xferinfo);
3066 		ch->handlers.xferinfo = NULL;
3067 	}
3068 #endif
3069 
3070 	if (ch->handlers.fnmatch) {
3071 		zval_ptr_dtor(&ch->handlers.fnmatch->func_name);
3072 		efree(ch->handlers.fnmatch);
3073 		ch->handlers.fnmatch = NULL;
3074 	}
3075 
3076 #if LIBCURL_VERSION_NUM >= 0x075400
3077 	if (ch->handlers.sshhostkey) {
3078 		zval_ptr_dtor(&ch->handlers.sshhostkey->func_name);
3079 		efree(ch->handlers.sshhostkey);
3080 		ch->handlers.sshhostkey = NULL;
3081 	}
3082 #endif
3083 }
3084 /* }}} */
3085 
3086 /* {{{ Reset all options of a libcurl session handle */
PHP_FUNCTION(curl_reset)3087 PHP_FUNCTION(curl_reset)
3088 {
3089 	zval       *zid;
3090 	php_curl   *ch;
3091 
3092 	ZEND_PARSE_PARAMETERS_START(1, 1)
3093 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
3094 	ZEND_PARSE_PARAMETERS_END();
3095 
3096 	ch = Z_CURL_P(zid);
3097 
3098 	if (ch->in_callback) {
3099 		zend_throw_error(NULL, "%s(): Attempt to reset cURL handle from a callback", get_active_function_name());
3100 		RETURN_THROWS();
3101 	}
3102 
3103 	curl_easy_reset(ch->cp);
3104 	_php_curl_reset_handlers(ch);
3105 	_php_curl_set_default_options(ch);
3106 }
3107 /* }}} */
3108 
3109 /* {{{ URL encodes the given string */
PHP_FUNCTION(curl_escape)3110 PHP_FUNCTION(curl_escape)
3111 {
3112 	zend_string *str;
3113 	char        *res;
3114 	zval        *zid;
3115 	php_curl    *ch;
3116 
3117 	ZEND_PARSE_PARAMETERS_START(2,2)
3118 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
3119 		Z_PARAM_STR(str)
3120 	ZEND_PARSE_PARAMETERS_END();
3121 
3122 	ch = Z_CURL_P(zid);
3123 
3124 	if (ZEND_SIZE_T_INT_OVFL(ZSTR_LEN(str))) {
3125 		RETURN_FALSE;
3126 	}
3127 
3128 	if ((res = curl_easy_escape(ch->cp, ZSTR_VAL(str), ZSTR_LEN(str)))) {
3129 		RETVAL_STRING(res);
3130 		curl_free(res);
3131 	} else {
3132 		RETURN_FALSE;
3133 	}
3134 }
3135 /* }}} */
3136 
3137 /* {{{ URL decodes the given string */
PHP_FUNCTION(curl_unescape)3138 PHP_FUNCTION(curl_unescape)
3139 {
3140 	char        *out = NULL;
3141 	int          out_len;
3142 	zval        *zid;
3143 	zend_string *str;
3144 	php_curl    *ch;
3145 
3146 	ZEND_PARSE_PARAMETERS_START(2,2)
3147 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
3148 		Z_PARAM_STR(str)
3149 	ZEND_PARSE_PARAMETERS_END();
3150 
3151 	ch = Z_CURL_P(zid);
3152 
3153 	if (ZEND_SIZE_T_INT_OVFL(ZSTR_LEN(str))) {
3154 		RETURN_FALSE;
3155 	}
3156 
3157 	if ((out = curl_easy_unescape(ch->cp, ZSTR_VAL(str), ZSTR_LEN(str), &out_len))) {
3158 		RETVAL_STRINGL(out, out_len);
3159 		curl_free(out);
3160 	} else {
3161 		RETURN_FALSE;
3162 	}
3163 }
3164 /* }}} */
3165 
3166 /* {{{ pause and unpause a connection */
PHP_FUNCTION(curl_pause)3167 PHP_FUNCTION(curl_pause)
3168 {
3169 	zend_long       bitmask;
3170 	zval       *zid;
3171 	php_curl   *ch;
3172 
3173 	ZEND_PARSE_PARAMETERS_START(2,2)
3174 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
3175 		Z_PARAM_LONG(bitmask)
3176 	ZEND_PARSE_PARAMETERS_END();
3177 
3178 	ch = Z_CURL_P(zid);
3179 
3180 	RETURN_LONG(curl_easy_pause(ch->cp, bitmask));
3181 }
3182 /* }}} */
3183 
3184 #if LIBCURL_VERSION_NUM >= 0x073E00 /* Available since 7.62.0 */
3185 /* {{{ perform connection upkeep checks */
PHP_FUNCTION(curl_upkeep)3186 PHP_FUNCTION(curl_upkeep)
3187 {
3188 	CURLcode	error;
3189 	zval		*zid;
3190 	php_curl	*ch;
3191 
3192 	ZEND_PARSE_PARAMETERS_START(1, 1)
3193 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
3194 	ZEND_PARSE_PARAMETERS_END();
3195 
3196 	ch = Z_CURL_P(zid);
3197 
3198 	error = curl_easy_upkeep(ch->cp);
3199 	SAVE_CURL_ERROR(ch, error);
3200 
3201 	RETURN_BOOL(error == CURLE_OK);
3202 }
3203 /*}}} */
3204 #endif
3205