1 : /*
2 : +----------------------------------------------------------------------+
3 : | PHP Version 5 |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) 1997-2009 The PHP Group |
6 : +----------------------------------------------------------------------+
7 : | This source file is subject to version 3.01 of the PHP license, |
8 : | that is bundled with this package in the file LICENSE, and is |
9 : | available through the world-wide-web at the following url: |
10 : | http://www.php.net/license/3_01.txt |
11 : | If you did not receive a copy of the PHP license and are unable to |
12 : | obtain it through the world-wide-web, please send a note to |
13 : | license@php.net so we can mail you a copy immediately. |
14 : +----------------------------------------------------------------------+
15 : | Author: Wez Furlong <wez@thebrainroom.com> |
16 : +----------------------------------------------------------------------+
17 : */
18 :
19 : /* $Id: streams.c 284748 2009-07-25 13:09:03Z jani $ */
20 :
21 : /* This file implements cURL based wrappers.
22 : * NOTE: If you are implementing your own streams that are intended to
23 : * work independently of wrappers, this is not a good example to follow!
24 : **/
25 :
26 : #ifdef HAVE_CONFIG_H
27 : #include "config.h"
28 : #endif
29 :
30 : #include "php.h"
31 : #include "php_memory_streams.h"
32 :
33 : #if HAVE_CURL
34 :
35 : #include <stdio.h>
36 : #include <string.h>
37 :
38 : #ifdef PHP_WIN32
39 : #include <winsock2.h>
40 : #include <sys/types.h>
41 : #endif
42 :
43 : #include <curl/curl.h>
44 : #include <curl/easy.h>
45 :
46 : #define SMART_STR_PREALLOC 4096
47 :
48 : #include "ext/standard/php_smart_str.h"
49 : #include "ext/standard/info.h"
50 : #include "ext/standard/file.h"
51 : #include "ext/standard/php_string.h"
52 : #include "php_curl.h"
53 :
54 : static size_t on_data_available(char *data, size_t size, size_t nmemb, void *ctx)
55 82 : {
56 82 : php_stream *stream = (php_stream *) ctx;
57 82 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
58 : size_t wrote;
59 : TSRMLS_FETCH();
60 :
61 : /* TODO: I'd like to deprecate this.
62 : * This code is here because until we start getting real data, we don't know
63 : * if we have had all of the headers
64 : * */
65 82 : if (curlstream->readbuffer.writepos == 0) {
66 : zval *sym;
67 :
68 23 : MAKE_STD_ZVAL(sym);
69 23 : *sym = *curlstream->headers;
70 23 : zval_copy_ctor(sym);
71 23 : ZEND_SET_SYMBOL(EG(active_symbol_table), "http_response_header", sym);
72 : }
73 :
74 82 : php_stream_seek(curlstream->readbuffer.buf, curlstream->readbuffer.writepos, SEEK_SET);
75 82 : wrote = php_stream_write(curlstream->readbuffer.buf, data, size * nmemb);
76 82 : curlstream->readbuffer.writepos = php_stream_tell(curlstream->readbuffer.buf);
77 :
78 82 : return wrote;
79 : }
80 :
81 : /* cURL guarantees that headers are written as complete lines, with this function
82 : * called once for each header */
83 : static size_t on_header_available(char *data, size_t size, size_t nmemb, void *ctx)
84 233 : {
85 233 : size_t length = size * nmemb;
86 : zval *header;
87 233 : php_stream *stream = (php_stream *) ctx;
88 233 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
89 : TSRMLS_FETCH();
90 :
91 233 : if (length < 2) {
92 : /* invalid header ? */
93 0 : return length;
94 : }
95 :
96 233 : if (!(length == 2 && data[0] == '\r' && data[1] == '\n')) {
97 201 : MAKE_STD_ZVAL(header);
98 201 : Z_STRLEN_P(header) = length;
99 201 : Z_STRVAL_P(header) = estrndup(data, length);
100 201 : if (Z_STRVAL_P(header)[length-1] == '\n') {
101 201 : Z_STRVAL_P(header)[length-1] = '\0';
102 201 : Z_STRLEN_P(header)--;
103 :
104 201 : if (Z_STRVAL_P(header)[length-2] == '\r') {
105 201 : Z_STRVAL_P(header)[length-2] = '\0';
106 201 : Z_STRLEN_P(header)--;
107 : }
108 : }
109 201 : Z_TYPE_P(header) = IS_STRING;
110 201 : zend_hash_next_index_insert(Z_ARRVAL_P(curlstream->headers), &header, sizeof(zval *), NULL);
111 :
112 : /* based on the header, we might need to trigger a notification */
113 201 : if (!strncasecmp(data, "Location: ", 10)) {
114 13 : php_stream_notify_info(stream->context, PHP_STREAM_NOTIFY_REDIRECTED, data + 10, 0);
115 188 : } else if (!strncasecmp(data, "Content-Type: ", 14)) {
116 12 : php_stream_notify_info(stream->context, PHP_STREAM_NOTIFY_MIME_TYPE_IS, data + 14, 0);
117 176 : } else if (!strncasecmp(data, "Context-Length: ", 16)) {
118 0 : php_stream_notify_file_size(stream->context, atoi(data + 16), data, 0);
119 0 : php_stream_notify_progress_init(stream->context, 0, 0);
120 : }
121 : }
122 233 : return length;
123 :
124 : }
125 :
126 : static int on_progress_avail(php_stream *stream, double dltotal, double dlnow, double ultotal, double ulnow)
127 70 : {
128 : TSRMLS_FETCH();
129 :
130 : /* our notification system only works in a single direction; we should detect which
131 : * direction is important and use the correct values in this call */
132 70 : php_stream_notify_progress(stream->context, (size_t) dlnow, (size_t) dltotal);
133 70 : return 0;
134 : }
135 :
136 : static size_t php_curl_stream_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC)
137 0 : {
138 0 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
139 :
140 0 : if (curlstream->writebuffer.buf) {
141 0 : return php_stream_write(curlstream->writebuffer.buf, buf, count);
142 : }
143 :
144 0 : return 0;
145 : }
146 :
147 : static size_t php_curl_stream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC)
148 104 : {
149 104 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
150 104 : size_t didread = 0;
151 :
152 104 : if (curlstream->readbuffer.readpos >= curlstream->readbuffer.writepos && curlstream->pending) {
153 : /* we need to read some more data */
154 : struct timeval tv;
155 :
156 : /* fire up the connection */
157 79 : if (curlstream->readbuffer.writepos == 0) {
158 24 : while (CURLM_CALL_MULTI_PERFORM == curl_multi_perform(curlstream->multi, &curlstream->pending));
159 : }
160 :
161 : do {
162 : /* get the descriptors from curl */
163 115425 : curl_multi_fdset(curlstream->multi, &curlstream->readfds, &curlstream->writefds, &curlstream->excfds, &curlstream->maxfd);
164 :
165 : /* if we are in blocking mode, set a timeout */
166 115425 : tv.tv_usec = 0;
167 115425 : tv.tv_sec = 15; /* TODO: allow this to be configured from the script */
168 :
169 : /* wait for data */
170 : switch ((curlstream->maxfd < 0) ? 1 :
171 115425 : select(curlstream->maxfd + 1, &curlstream->readfds, &curlstream->writefds, &curlstream->excfds, &tv)) {
172 : case -1:
173 : /* error */
174 0 : return 0;
175 : case 0:
176 : /* no data yet: timed-out */
177 0 : return 0;
178 : default:
179 : /* fetch the data */
180 : do {
181 115490 : curlstream->mcode = curl_multi_perform(curlstream->multi, &curlstream->pending);
182 115490 : } while (curlstream->mcode == CURLM_CALL_MULTI_PERFORM);
183 : }
184 : } while (curlstream->maxfd >= 0 &&
185 115425 : curlstream->readbuffer.readpos >= curlstream->readbuffer.writepos && curlstream->pending > 0);
186 :
187 : }
188 :
189 : /* if there is data in the buffer, try and read it */
190 104 : if (curlstream->readbuffer.writepos > 0 && curlstream->readbuffer.readpos < curlstream->readbuffer.writepos) {
191 76 : php_stream_seek(curlstream->readbuffer.buf, curlstream->readbuffer.readpos, SEEK_SET);
192 76 : didread = php_stream_read(curlstream->readbuffer.buf, buf, count);
193 76 : curlstream->readbuffer.readpos = php_stream_tell(curlstream->readbuffer.buf);
194 : }
195 :
196 104 : if (didread == 0) {
197 28 : stream->eof = 1;
198 : }
199 :
200 104 : return didread;
201 : }
202 :
203 : static int php_curl_stream_close(php_stream *stream, int close_handle TSRMLS_DC)
204 29 : {
205 29 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
206 :
207 : /* TODO: respect the close_handle flag here, so that casting to a FILE* on
208 : * systems without fopencookie will work properly */
209 :
210 29 : curl_multi_remove_handle(curlstream->multi, curlstream->curl);
211 29 : curl_easy_cleanup(curlstream->curl);
212 29 : curl_multi_cleanup(curlstream->multi);
213 :
214 : /* we are not closing curlstream->readbuf here, because we export
215 : * it as a zval with the wrapperdata - the engine will garbage collect it */
216 :
217 29 : efree(curlstream->url);
218 29 : efree(curlstream);
219 :
220 29 : return 0;
221 : }
222 :
223 : static int php_curl_stream_flush(php_stream *stream TSRMLS_DC)
224 29 : {
225 : #ifdef ilia_0
226 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
227 : #endif
228 29 : return 0;
229 : }
230 :
231 : static int php_curl_stream_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC)
232 15 : {
233 : /* TODO: fill in details based on Data: and Content-Length: headers, and/or data
234 : * from curl_easy_getinfo().
235 : * For now, return -1 to indicate that it doesn't make sense to stat this stream */
236 15 : return -1;
237 : }
238 :
239 : static int php_curl_stream_cast(php_stream *stream, int castas, void **ret TSRMLS_DC)
240 0 : {
241 0 : php_curl_stream *curlstream = (php_curl_stream *) stream->abstract;
242 : /* delegate to the readbuffer stream */
243 0 : return php_stream_cast(curlstream->readbuffer.buf, castas, ret, 0);
244 : }
245 :
246 : php_stream_ops php_curl_stream_ops = {
247 : php_curl_stream_write,
248 : php_curl_stream_read,
249 : php_curl_stream_close,
250 : php_curl_stream_flush,
251 : "cURL",
252 : NULL, /* seek */
253 : php_curl_stream_cast, /* cast */
254 : php_curl_stream_stat /* stat */
255 : };
256 :
257 :
258 : php_stream *php_curl_stream_opener(php_stream_wrapper *wrapper, char *filename, char *mode,
259 : int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC)
260 29 : {
261 : php_stream *stream;
262 : php_curl_stream *curlstream;
263 29 : zval *tmp, **ctx_opt = NULL;
264 29 : struct curl_slist *slist = NULL;
265 :
266 29 : curlstream = emalloc(sizeof(php_curl_stream));
267 29 : memset(curlstream, 0, sizeof(php_curl_stream));
268 :
269 29 : stream = php_stream_alloc(&php_curl_stream_ops, curlstream, 0, mode);
270 29 : php_stream_context_set(stream, context);
271 :
272 29 : curlstream->curl = curl_easy_init();
273 29 : curlstream->multi = curl_multi_init();
274 29 : curlstream->pending = 1;
275 :
276 : /* if opening for an include statement, ensure that the local storage will
277 : * have a FILE* associated with it.
278 : * Otherwise, use the "smart" memory stream that will turn itself into a file
279 : * when it gets large */
280 : #if !HAVE_FOPENCOOKIE
281 : if (options & STREAM_WILL_CAST) {
282 : curlstream->readbuffer.buf = php_stream_fopen_tmpfile();
283 : } else
284 : #endif
285 : {
286 29 : curlstream->readbuffer.buf = php_stream_temp_new();
287 : }
288 :
289 : /* curl requires the URL to be valid throughout it's operation, so dup it */
290 29 : curlstream->url = estrdup(filename);
291 29 : curl_easy_setopt(curlstream->curl, CURLOPT_URL, curlstream->url);
292 :
293 : /* feed curl data into our read buffer */
294 29 : curl_easy_setopt(curlstream->curl, CURLOPT_WRITEFUNCTION, on_data_available);
295 29 : curl_easy_setopt(curlstream->curl, CURLOPT_FILE, stream);
296 :
297 : /* feed headers */
298 29 : curl_easy_setopt(curlstream->curl, CURLOPT_HEADERFUNCTION, on_header_available);
299 29 : curl_easy_setopt(curlstream->curl, CURLOPT_WRITEHEADER, stream);
300 :
301 29 : curl_easy_setopt(curlstream->curl, CURLOPT_ERRORBUFFER, curlstream->errstr);
302 29 : curl_easy_setopt(curlstream->curl, CURLOPT_VERBOSE, 0);
303 :
304 : /* enable progress notification */
305 29 : curl_easy_setopt(curlstream->curl, CURLOPT_PROGRESSFUNCTION, on_progress_avail);
306 29 : curl_easy_setopt(curlstream->curl, CURLOPT_PROGRESSDATA, stream);
307 29 : curl_easy_setopt(curlstream->curl, CURLOPT_NOPROGRESS, 0);
308 :
309 29 : curl_easy_setopt(curlstream->curl, CURLOPT_USERAGENT, FG(user_agent) ? FG(user_agent) : "PHP/" PHP_VERSION);
310 :
311 : /* TODO: read cookies and options from context */
312 49 : if (context && !strncasecmp(filename, "http", sizeof("http")-1)) {
313 : /* Protocol version */
314 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "protocol_version", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_DOUBLE) {
315 0 : if (Z_DVAL_PP(ctx_opt) == 1.1) {
316 0 : curl_easy_setopt(curlstream->curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
317 : } else {
318 0 : curl_easy_setopt(curlstream->curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
319 : }
320 : }
321 :
322 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "curl_verify_ssl_host", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_BOOL && Z_LVAL_PP(ctx_opt) == 1) {
323 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYHOST, 1);
324 : } else {
325 20 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYHOST, 0);
326 : }
327 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "curl_verify_ssl_peer", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_BOOL && Z_LVAL_PP(ctx_opt) == 1) {
328 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYPEER, 1);
329 : } else {
330 20 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYPEER, 0);
331 : }
332 :
333 : /* HTTP(S) */
334 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "user_agent", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_STRING) {
335 0 : curl_easy_setopt(curlstream->curl, CURLOPT_USERAGENT, Z_STRVAL_PP(ctx_opt));
336 : }
337 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "header", &ctx_opt)) {
338 2 : if (Z_TYPE_PP(ctx_opt) == IS_ARRAY) {
339 : HashPosition pos;
340 1 : zval **header = NULL;
341 :
342 1 : for (zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(ctx_opt), &pos);
343 4 : SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(ctx_opt), (void *)&header, &pos);
344 : zend_hash_move_forward_ex(Z_ARRVAL_PP(ctx_opt), &pos)
345 2 : ) {
346 2 : if (Z_TYPE_PP(header) == IS_STRING) {
347 2 : slist = curl_slist_append(slist, Z_STRVAL_PP(header));
348 : }
349 : }
350 1 : } else if (Z_TYPE_PP(ctx_opt) == IS_STRING && Z_STRLEN_PP(ctx_opt)) {
351 : char *p, *token, *trimmed, *copy_ctx_opt;
352 :
353 1 : copy_ctx_opt = php_trim(Z_STRVAL_PP(ctx_opt), Z_STRLEN_PP(ctx_opt), NULL, 0, NULL, 3 TSRMLS_CC);
354 1 : p = php_strtok_r(copy_ctx_opt, "\r\n", &token);
355 4 : while (p) {
356 2 : trimmed = php_trim(p, strlen(p), NULL, 0, NULL, 3 TSRMLS_CC);
357 2 : slist = curl_slist_append(slist, trimmed);
358 2 : efree(trimmed);
359 2 : p = php_strtok_r(NULL, "\r\n", &token);
360 : }
361 1 : efree(copy_ctx_opt);
362 : }
363 2 : if (slist) {
364 2 : curl_easy_setopt(curlstream->curl, CURLOPT_HTTPHEADER, slist);
365 : }
366 : }
367 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "method", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_STRING) {
368 2 : if (strcasecmp(Z_STRVAL_PP(ctx_opt), "get")) {
369 2 : if (!strcasecmp(Z_STRVAL_PP(ctx_opt), "head")) {
370 0 : curl_easy_setopt(curlstream->curl, CURLOPT_NOBODY, 1);
371 : } else {
372 2 : if (!strcasecmp(Z_STRVAL_PP(ctx_opt), "post")) {
373 2 : curl_easy_setopt(curlstream->curl, CURLOPT_POST, 1);
374 : } else {
375 0 : curl_easy_setopt(curlstream->curl, CURLOPT_CUSTOMREQUEST, Z_STRVAL_PP(ctx_opt));
376 : }
377 2 : if (SUCCESS == php_stream_context_get_option(context, "http", "content", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_STRING) {
378 2 : curl_easy_setopt(curlstream->curl, CURLOPT_POSTFIELDS, Z_STRVAL_PP(ctx_opt));
379 2 : curl_easy_setopt(curlstream->curl, CURLOPT_POSTFIELDSIZE, (long)Z_STRLEN_PP(ctx_opt));
380 : }
381 : }
382 : }
383 : }
384 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "proxy", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_STRING) {
385 0 : curl_easy_setopt(curlstream->curl, CURLOPT_PROXY, Z_STRVAL_PP(ctx_opt));
386 : }
387 20 : if (SUCCESS == php_stream_context_get_option(context, "http", "max_redirects", &ctx_opt)) {
388 6 : long mr = 20;
389 6 : if (Z_TYPE_PP(ctx_opt) != IS_STRING || !is_numeric_string(Z_STRVAL_PP(ctx_opt), Z_STRLEN_PP(ctx_opt), &mr, NULL, 1)) {
390 6 : if (Z_TYPE_PP(ctx_opt) == IS_LONG) {
391 6 : mr = Z_LVAL_PP(ctx_opt);
392 : }
393 : }
394 6 : if (mr > 1) {
395 2 : if ((PG(open_basedir) && *PG(open_basedir)) || PG(safe_mode)) {
396 0 : curl_easy_setopt(curlstream->curl, CURLOPT_FOLLOWLOCATION, 0);
397 : } else {
398 2 : curl_easy_setopt(curlstream->curl, CURLOPT_FOLLOWLOCATION, 1);
399 : }
400 2 : curl_easy_setopt(curlstream->curl, CURLOPT_MAXREDIRS, mr);
401 : }
402 : } else {
403 14 : if ((PG(open_basedir) && *PG(open_basedir)) || PG(safe_mode)) {
404 0 : curl_easy_setopt(curlstream->curl, CURLOPT_FOLLOWLOCATION, 0);
405 : } else {
406 14 : curl_easy_setopt(curlstream->curl, CURLOPT_FOLLOWLOCATION, 1);
407 : }
408 14 : curl_easy_setopt(curlstream->curl, CURLOPT_MAXREDIRS, 20L);
409 : }
410 9 : } else if (context && !strncasecmp(filename, "ftps", sizeof("ftps")-1)) {
411 0 : if (SUCCESS == php_stream_context_get_option(context, "ftp", "curl_verify_ssl_host", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_BOOL && Z_LVAL_PP(ctx_opt) == 1) {
412 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYHOST, 1);
413 : } else {
414 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYHOST, 0);
415 : }
416 0 : if (SUCCESS == php_stream_context_get_option(context, "ftp", "curl_verify_ssl_peer", &ctx_opt) && Z_TYPE_PP(ctx_opt) == IS_BOOL && Z_LVAL_PP(ctx_opt) == 1) {
417 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYPEER, 1);
418 : } else {
419 0 : curl_easy_setopt(curlstream->curl, CURLOPT_SSL_VERIFYPEER, 0);
420 : }
421 : }
422 :
423 : /* prepare for "pull" mode */
424 29 : curl_multi_add_handle(curlstream->multi, curlstream->curl);
425 :
426 : /* Prepare stuff for file_get_wrapper_data: the data is an array:
427 : *
428 : * data = array(
429 : * "headers" => array("Content-Type: text/html", "Xxx: Yyy"),
430 : * "readbuf" => resource (equivalent to curlstream->readbuffer)
431 : * );
432 : * */
433 29 : MAKE_STD_ZVAL(stream->wrapperdata);
434 29 : array_init(stream->wrapperdata);
435 :
436 29 : MAKE_STD_ZVAL(curlstream->headers);
437 29 : array_init(curlstream->headers);
438 :
439 29 : add_assoc_zval(stream->wrapperdata, "headers", curlstream->headers);
440 :
441 29 : MAKE_STD_ZVAL(tmp);
442 29 : php_stream_to_zval(curlstream->readbuffer.buf, tmp);
443 29 : add_assoc_zval(stream->wrapperdata, "readbuf", tmp);
444 :
445 : #if !HAVE_FOPENCOOKIE
446 : if (options & STREAM_WILL_CAST) {
447 : /* we will need to download the whole resource now,
448 : * since we cannot get the actual FD for the download,
449 : * so we won't be able to drive curl via stdio. */
450 :
451 : /* TODO: this needs finishing */
452 :
453 : curl_easy_perform(curlstream->curl);
454 : }
455 : else
456 : #endif
457 : {
458 : /* fire up the connection; we need to detect a connection error here,
459 : * otherwise the curlstream we return ends up doing nothing useful. */
460 : CURLMcode m;
461 : CURLMsg *msg;
462 29 : int msgs_left, msg_found = 0;
463 :
464 107 : while (CURLM_CALL_MULTI_PERFORM == (m = curl_multi_perform(curlstream->multi, &curlstream->pending))) {
465 : ; /* spin */
466 : }
467 :
468 29 : if (m != CURLM_OK) {
469 : #if HAVE_CURL_MULTI_STRERROR
470 0 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", curl_multi_strerror(m));
471 : #else
472 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "There was an error mcode=%d", m);
473 : #endif
474 0 : goto exit_fail;
475 : }
476 :
477 : /* we have only one curl handle here, even though we use multi syntax,
478 : * so it's ok to fail on any error */
479 59 : while ((msg = curl_multi_info_read(curlstream->multi, &msgs_left))) {
480 1 : if (msg->data.result == CURLE_OK) {
481 1 : continue;
482 : } else {
483 : #if HAVE_CURL_EASY_STRERROR
484 0 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", curl_easy_strerror(msg->data.result));
485 : #else
486 : php_error_docref(NULL TSRMLS_CC, E_WARNING, "There was an error mcode=%d", msg->data.result);
487 : #endif
488 0 : msg_found++;
489 : }
490 : }
491 29 : if (msg_found) {
492 0 : goto exit_fail;
493 : }
494 : }
495 :
496 : /* context headers are not needed anymore */
497 29 : if (slist) {
498 2 : curl_easy_setopt(curlstream->curl, CURLOPT_HTTPHEADER, NULL);
499 2 : curl_slist_free_all(slist);
500 : }
501 29 : return stream;
502 :
503 0 : exit_fail:
504 0 : php_stream_close(stream);
505 0 : if (slist) {
506 0 : curl_slist_free_all(slist);
507 : }
508 0 : return NULL;
509 : }
510 :
511 : static php_stream_wrapper_ops php_curl_wrapper_ops = {
512 : php_curl_stream_opener,
513 : NULL, /* stream_close: curl streams know how to clean themselves up */
514 : NULL, /* stream_stat: curl streams know how to stat themselves */
515 : NULL, /* stat url */
516 : NULL, /* opendir */
517 : "cURL", /* label */
518 : NULL, /* unlink */
519 : NULL, /* rename */
520 : NULL, /* mkdir */
521 : NULL /* rmdir */
522 : };
523 :
524 : php_stream_wrapper php_curl_wrapper = {
525 : &php_curl_wrapper_ops,
526 : NULL,
527 : 1 /* is_url */
528 : };
529 :
530 : #endif
531 :
532 : /*
533 : * Local variables:
534 : * tab-width: 4
535 : * c-basic-offset: 4
536 : * End:
537 : * vim600: noet sw=4 ts=4 fdm=marker
538 : * vim<600: noet sw=4 ts=4
539 : */
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