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Merge branch 'master' into phpng
[m6w6/ext-http] / php_http_url.c
1 /*
2 +--------------------------------------------------------------------+
3 | PECL :: http |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted provided that the conditions mentioned |
7 | in the accompanying LICENSE file are met. |
8 +--------------------------------------------------------------------+
9 | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
10 +--------------------------------------------------------------------+
11 */
12
13 #include "php_http_api.h"
14
15 #ifdef PHP_HTTP_HAVE_IDN
16 # include <idna.h>
17 #endif
18
19 #ifdef PHP_HTTP_HAVE_WCHAR
20 # include <wchar.h>
21 # include <wctype.h>
22 #endif
23
24 #ifdef HAVE_ARPA_INET_H
25 # include <arpa/inet.h>
26 #endif
27
28 #include "php_http_utf8.h"
29
30 static inline char *localhostname(void)
31 {
32 char hostname[1024] = {0};
33
34 #ifdef PHP_WIN32
35 if (SUCCESS == gethostname(hostname, lenof(hostname))) {
36 return estrdup(hostname);
37 }
38 #elif defined(HAVE_GETHOSTNAME)
39 if (SUCCESS == gethostname(hostname, lenof(hostname))) {
40 # if defined(HAVE_GETDOMAINNAME)
41 size_t hlen = strlen(hostname);
42 if (hlen <= lenof(hostname) - lenof("(none)")) {
43 hostname[hlen++] = '.';
44 if (SUCCESS == getdomainname(&hostname[hlen], lenof(hostname) - hlen)) {
45 if (!strcmp(&hostname[hlen], "(none)")) {
46 hostname[hlen - 1] = '\0';
47 }
48 return estrdup(hostname);
49 }
50 }
51 # endif
52 if (strcmp(hostname, "(none)")) {
53 return estrdup(hostname);
54 }
55 }
56 #endif
57 return estrndup("localhost", lenof("localhost"));
58 }
59
60 #define url(buf) ((php_http_url_t *) (buf).data)
61
62 static php_http_url_t *php_http_url_from_env(void)
63 {
64 zval *https, *zhost, *zport;
65 long port;
66 php_http_buffer_t buf;
67
68 php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
69 php_http_buffer_account(&buf, sizeof(php_http_url_t));
70 memset(buf.data, 0, buf.used);
71
72 /* scheme */
73 url(buf)->scheme = &buf.data[buf.used];
74 https = php_http_env_get_server_var(ZEND_STRL("HTTPS"), 1);
75 if (https && !strcasecmp(Z_STRVAL_P(https), "ON")) {
76 php_http_buffer_append(&buf, "https", sizeof("https"));
77 } else {
78 php_http_buffer_append(&buf, "http", sizeof("http"));
79 }
80
81 /* host */
82 url(buf)->host = &buf.data[buf.used];
83 if ((((zhost = php_http_env_get_server_var(ZEND_STRL("HTTP_HOST"), 1)) ||
84 (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_NAME"), 1)) ||
85 (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_ADDR"), 1)))) && Z_STRLEN_P(zhost)) {
86 size_t stop_at = strspn(Z_STRVAL_P(zhost), "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-.");
87
88 php_http_buffer_append(&buf, Z_STRVAL_P(zhost), stop_at);
89 php_http_buffer_append(&buf, "", 1);
90 } else {
91 char *host_str = localhostname();
92
93 php_http_buffer_append(&buf, host_str, strlen(host_str) + 1);
94 efree(host_str);
95 }
96
97 /* port */
98 zport = php_http_env_get_server_var(ZEND_STRL("SERVER_PORT"), 1);
99 if (zport && IS_LONG == is_numeric_string(Z_STRVAL_P(zport), Z_STRLEN_P(zport), &port, NULL, 0)) {
100 url(buf)->port = port;
101 }
102
103 /* path */
104 if (SG(request_info).request_uri && SG(request_info).request_uri[0]) {
105 const char *q = strchr(SG(request_info).request_uri, '?');
106
107 url(buf)->path = &buf.data[buf.used];
108
109 if (q) {
110 php_http_buffer_append(&buf, SG(request_info).request_uri, q - SG(request_info).request_uri);
111 php_http_buffer_append(&buf, "", 1);
112 } else {
113 php_http_buffer_append(&buf, SG(request_info).request_uri, strlen(SG(request_info).request_uri) + 1);
114 }
115 }
116
117 /* query */
118 if (SG(request_info).query_string && SG(request_info).query_string[0]) {
119 url(buf)->query = &buf.data[buf.used];
120 php_http_buffer_append(&buf, SG(request_info).query_string, strlen(SG(request_info).query_string) + 1);
121 }
122
123 return url(buf);
124 }
125
126 #define url_isset(u,n) \
127 ((u)&&(u)->n)
128 #define url_append(buf, append) do { \
129 char *_ptr = (buf)->data; \
130 php_http_url_t *_url = (php_http_url_t *) _ptr, _mem = *_url; \
131 append; \
132 /* relocate */ \
133 if (_ptr != (buf)->data) { \
134 ptrdiff_t diff = (buf)->data - _ptr; \
135 _url = (php_http_url_t *) (buf)->data; \
136 if (_mem.scheme) _url->scheme += diff; \
137 if (_mem.user) _url->user += diff; \
138 if (_mem.pass) _url->pass += diff; \
139 if (_mem.host) _url->host += diff; \
140 if (_mem.path) _url->path += diff; \
141 if (_mem.query) _url->query += diff; \
142 if (_mem.fragment) _url->fragment += diff; \
143 } \
144 } while (0)
145 #define url_copy(n) do { \
146 if (url_isset(new_url, n)) { \
147 url(buf)->n = &buf.data[buf.used]; \
148 url_append(&buf, php_http_buffer_append(&buf, new_url->n, strlen(new_url->n) + 1)); \
149 } else if (url_isset(old_url, n)) { \
150 url(buf)->n = &buf.data[buf.used]; \
151 url_append(&buf, php_http_buffer_append(&buf, old_url->n, strlen(old_url->n) + 1)); \
152 } \
153 } while (0)
154
155 php_http_url_t *php_http_url_mod(const php_http_url_t *old_url, const php_http_url_t *new_url, unsigned flags)
156 {
157 php_http_url_t *tmp_url = NULL;
158 php_http_buffer_t buf;
159
160 php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
161 php_http_buffer_account(&buf, sizeof(php_http_url_t));
162 memset(buf.data, 0, buf.used);
163
164 /* set from env if requested */
165 if (flags & PHP_HTTP_URL_FROM_ENV) {
166 php_http_url_t *env_url = php_http_url_from_env();
167
168 old_url = tmp_url = php_http_url_mod(env_url, old_url, flags ^ PHP_HTTP_URL_FROM_ENV);
169 php_http_url_free(&env_url);
170 }
171
172 url_copy(scheme);
173
174 if (!(flags & PHP_HTTP_URL_STRIP_USER)) {
175 url_copy(user);
176 }
177
178 if (!(flags & PHP_HTTP_URL_STRIP_PASS)) {
179 url_copy(pass);
180 }
181
182 url_copy(host);
183
184 if (!(flags & PHP_HTTP_URL_STRIP_PORT)) {
185 url(buf)->port = url_isset(new_url, port) ? new_url->port : ((old_url) ? old_url->port : 0);
186 }
187
188 if (!(flags & PHP_HTTP_URL_STRIP_PATH)) {
189 if ((flags & PHP_HTTP_URL_JOIN_PATH) && url_isset(old_url, path) && url_isset(new_url, path) && *new_url->path != '/') {
190 size_t old_path_len = strlen(old_url->path), new_path_len = strlen(new_url->path);
191 char *path = ecalloc(1, old_path_len + new_path_len + 1 + 1);
192
193 strcat(path, old_url->path);
194 if (path[old_path_len - 1] != '/') {
195 php_dirname(path, old_path_len);
196 strcat(path, "/");
197 }
198 strcat(path, new_url->path);
199
200 url(buf)->path = &buf.data[buf.used];
201 if (path[0] != '/') {
202 url_append(&buf, php_http_buffer_append(&buf, "/", 1));
203 }
204 url_append(&buf, php_http_buffer_append(&buf, path, strlen(path) + 1));
205 efree(path);
206 } else {
207 const char *path = NULL;
208
209 if (url_isset(new_url, path)) {
210 path = new_url->path;
211 } else if (url_isset(old_url, path)) {
212 path = old_url->path;
213 }
214
215 if (path) {
216 url(buf)->path = &buf.data[buf.used];
217
218 url_append(&buf, php_http_buffer_append(&buf, path, strlen(path) + 1));
219 }
220
221
222 }
223 }
224
225 if (!(flags & PHP_HTTP_URL_STRIP_QUERY)) {
226 if ((flags & PHP_HTTP_URL_JOIN_QUERY) && url_isset(new_url, query) && url_isset(old_url, query)) {
227 zval qarr, qstr;
228
229 array_init(&qarr);
230
231 ZVAL_STRING(&qstr, old_url->query);
232 php_http_querystring_update(&qarr, &qstr, NULL);
233 zval_ptr_dtor(&qstr);
234 ZVAL_STRING(&qstr, new_url->query);
235 php_http_querystring_update(&qarr, &qstr, NULL);
236 zval_ptr_dtor(&qstr);
237
238 ZVAL_NULL(&qstr);
239 php_http_querystring_update(&qarr, NULL, &qstr);
240
241 url(buf)->query = &buf.data[buf.used];
242 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL(qstr), Z_STRLEN(qstr) + 1));
243
244 zval_dtor(&qstr);
245 zval_dtor(&qarr);
246 } else {
247 url_copy(query);
248 }
249 }
250
251 if (!(flags & PHP_HTTP_URL_STRIP_FRAGMENT)) {
252 url_copy(fragment);
253 }
254
255 /* done with copy & combine & strip */
256
257 if (flags & PHP_HTTP_URL_FROM_ENV) {
258 /* free old_url we tainted above */
259 php_http_url_free(&tmp_url);
260 }
261
262 /* replace directory references if path is not a single slash */
263 if ((flags & PHP_HTTP_URL_SANITIZE_PATH)
264 && url(buf)->path[0] && url(buf)->path[1]) {
265 char *ptr, *end = url(buf)->path + strlen(url(buf)->path) + 1;
266
267 for (ptr = strchr(url(buf)->path, '/'); ptr; ptr = strchr(ptr, '/')) {
268 switch (ptr[1]) {
269 case '/':
270 memmove(&ptr[1], &ptr[2], end - &ptr[2]);
271 break;
272
273 case '.':
274 switch (ptr[2]) {
275 case '\0':
276 ptr[1] = '\0';
277 break;
278
279 case '/':
280 memmove(&ptr[1], &ptr[3], end - &ptr[3]);
281 break;
282
283 case '.':
284 if (ptr[3] == '/') {
285 char *pos = &ptr[4];
286 while (ptr != url(buf)->path) {
287 if (*--ptr == '/') {
288 break;
289 }
290 }
291 memmove(&ptr[1], pos, end - pos);
292 break;
293 } else if (!ptr[3]) {
294 /* .. at the end */
295 ptr[1] = '\0';
296 }
297 /* no break */
298
299 default:
300 /* something else */
301 ++ptr;
302 break;
303 }
304 break;
305
306 default:
307 ++ptr;
308 break;
309 }
310 }
311 }
312 /* unset default ports */
313 if (url(buf)->port) {
314 if ( ((url(buf)->port == 80) && url(buf)->scheme && !strcmp(url(buf)->scheme, "http"))
315 || ((url(buf)->port ==443) && url(buf)->scheme && !strcmp(url(buf)->scheme, "https"))
316 ) {
317 url(buf)->port = 0;
318 }
319 }
320
321 return url(buf);
322 }
323
324 char *php_http_url_to_string(const php_http_url_t *url, char **url_str, size_t *url_len, zend_bool persistent)
325 {
326 php_http_buffer_t buf;
327
328 php_http_buffer_init_ex(&buf, PHP_HTTP_BUFFER_DEFAULT_SIZE, persistent ?
329 PHP_HTTP_BUFFER_INIT_PERSISTENT : 0);
330
331 if (url->scheme && *url->scheme) {
332 php_http_buffer_appendl(&buf, url->scheme);
333 php_http_buffer_appends(&buf, "://");
334 } else if ((url->user && *url->user) || (url->host && *url->host)) {
335 php_http_buffer_appends(&buf, "//");
336 }
337
338 if (url->user && *url->user) {
339 php_http_buffer_appendl(&buf, url->user);
340 if (url->pass && *url->pass) {
341 php_http_buffer_appends(&buf, ":");
342 php_http_buffer_appendl(&buf, url->pass);
343 }
344 php_http_buffer_appends(&buf, "@");
345 }
346
347 if (url->host && *url->host) {
348 php_http_buffer_appendl(&buf, url->host);
349 if (url->port) {
350 php_http_buffer_appendf(&buf, ":%hu", url->port);
351 }
352 }
353
354 if (url->path && *url->path) {
355 if (*url->path != '/') {
356 php_http_buffer_appends(&buf, "/");
357 }
358 php_http_buffer_appendl(&buf, url->path);
359 } else if (buf.used) {
360 php_http_buffer_appends(&buf, "/");
361 }
362
363 if (url->query && *url->query) {
364 php_http_buffer_appends(&buf, "?");
365 php_http_buffer_appendl(&buf, url->query);
366 }
367
368 if (url->fragment && *url->fragment) {
369 php_http_buffer_appends(&buf, "#");
370 php_http_buffer_appendl(&buf, url->fragment);
371 }
372
373 php_http_buffer_shrink(&buf);
374 php_http_buffer_fix(&buf);
375
376 if (url_len) {
377 *url_len = buf.used;
378 }
379
380 if (url_str) {
381 *url_str = buf.data;
382 }
383
384 return buf.data;
385 }
386
387 char *php_http_url_authority_to_string(const php_http_url_t *url, char **url_str, size_t *url_len)
388 {
389 php_http_buffer_t buf;
390
391 php_http_buffer_init(&buf);
392
393 if (url->user && *url->user) {
394 php_http_buffer_appendl(&buf, url->user);
395 if (url->pass && *url->pass) {
396 php_http_buffer_appends(&buf, ":");
397 php_http_buffer_appendl(&buf, url->pass);
398 }
399 php_http_buffer_appends(&buf, "@");
400 }
401
402 if (url->host && *url->host) {
403 php_http_buffer_appendl(&buf, url->host);
404 if (url->port) {
405 php_http_buffer_appendf(&buf, ":%hu", url->port);
406 }
407 }
408
409 php_http_buffer_shrink(&buf);
410 php_http_buffer_fix(&buf);
411
412 if (url_len) {
413 *url_len = buf.used;
414 }
415
416 if (url_str) {
417 *url_str = buf.data;
418 }
419
420 return buf.data;
421 }
422
423 php_http_url_t *php_http_url_from_zval(zval *value, unsigned flags)
424 {
425 zend_string *zs;
426 php_http_url_t *purl;
427
428 switch (Z_TYPE_P(value)) {
429 case IS_ARRAY:
430 case IS_OBJECT:
431 purl = php_http_url_from_struct(HASH_OF(value));
432 break;
433
434 default:
435 zs = zval_get_string(value);
436 purl = php_http_url_parse(zs->val, zs->len, flags);
437 zend_string_release(zs);
438 }
439
440 return purl;
441 }
442
443 php_http_url_t *php_http_url_from_struct(HashTable *ht)
444 {
445 zval *e;
446 php_http_buffer_t buf;
447
448 php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
449 php_http_buffer_account(&buf, sizeof(php_http_url_t));
450 memset(buf.data, 0, buf.used);
451
452 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("scheme")))) {
453 zend_string *zs = zval_get_string(e);
454 url(buf)->scheme = &buf.data[buf.used];
455 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
456 zend_string_release(zs);
457 }
458 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("user")))) {
459 zend_string *zs = zval_get_string(e);
460 url(buf)->user = &buf.data[buf.used];
461 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
462 zend_string_release(zs);
463 }
464 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("pass")))) {
465 zend_string *zs = zval_get_string(e);
466 url(buf)->pass = &buf.data[buf.used];
467 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
468 zend_string_release(zs);
469 }
470 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("host")))) {
471 zend_string *zs = zval_get_string(e);
472 url(buf)->host = &buf.data[buf.used];
473 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
474 zend_string_release(zs);
475 }
476 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("port")))) {
477 url(buf)->port = (unsigned short) zval_get_long(e);
478 }
479 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("path")))) {
480 zend_string *zs = zval_get_string(e);
481 url(buf)->path = &buf.data[buf.used];
482 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
483 zend_string_release(zs);
484 }
485 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("query")))) {
486 zend_string *zs = zval_get_string(e);
487 url(buf)->query = &buf.data[buf.used];
488 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
489 zend_string_release(zs);
490 }
491 if ((e = zend_hash_str_find_ind(ht, ZEND_STRL("fragment")))) {
492 zend_string *zs = zval_get_string(e);
493 url(buf)->fragment = &buf.data[buf.used];
494 url_append(&buf, php_http_buffer_append(&buf, zs->val, zs->len + 1));
495 zend_string_release(zs);
496 }
497
498 return url(buf);
499 }
500
501 HashTable *php_http_url_to_struct(const php_http_url_t *url, zval *strct)
502 {
503 HashTable *ht;
504 zval tmp;
505
506 if (strct) {
507 switch (Z_TYPE_P(strct)) {
508 default:
509 zval_dtor(strct);
510 array_init(strct);
511 /* no break */
512 case IS_ARRAY:
513 case IS_OBJECT:
514 ht = HASH_OF(strct);
515 break;
516 }
517 } else {
518 ALLOC_HASHTABLE(ht);
519 zend_hash_init(ht, 8, NULL, ZVAL_PTR_DTOR, 0);
520 }
521
522 #define url_struct_add(part) \
523 if (Z_TYPE_P(strct) == IS_ARRAY) { \
524 zend_hash_str_update(Z_ARRVAL_P(strct), part, lenof(part), &tmp); \
525 } else { \
526 zend_update_property(Z_OBJCE_P(strct), strct, part, lenof(part), &tmp); \
527 zval_ptr_dtor(&tmp); \
528 }
529
530 if (url) {
531 if (url->scheme) {
532 ZVAL_STRING(&tmp, url->scheme);
533 url_struct_add("scheme");
534 }
535 if (url->user) {
536 ZVAL_STRING(&tmp, url->user);
537 url_struct_add("user");
538 }
539 if (url->pass) {
540 ZVAL_STRING(&tmp, url->pass);
541 url_struct_add("pass");
542 }
543 if (url->host) {
544 ZVAL_STRING(&tmp, url->host);
545 url_struct_add("host");
546 }
547 if (url->port) {
548 ZVAL_LONG(&tmp, url->port);
549 url_struct_add("port");
550 }
551 if (url->path) {
552 ZVAL_STRING(&tmp, url->path);
553 url_struct_add("path");
554 }
555 if (url->query) {
556 ZVAL_STRING(&tmp, url->query);
557 url_struct_add("query");
558 }
559 if (url->fragment) {
560 ZVAL_STRING(&tmp, url->fragment);
561 url_struct_add("fragment");
562 }
563 }
564
565 return ht;
566 }
567
568 ZEND_RESULT_CODE php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len)
569 {
570 const char *arg_sep_str;
571 size_t arg_sep_len;
572 php_http_buffer_t *qstr = php_http_buffer_new();
573
574 php_http_url_argsep(&arg_sep_str, &arg_sep_len);
575
576 if (SUCCESS != php_http_url_encode_hash_ex(hash, qstr, arg_sep_str, arg_sep_len, "=", 1, pre_encoded_str, pre_encoded_len)) {
577 php_http_buffer_free(&qstr);
578 return FAILURE;
579 }
580
581 php_http_buffer_data(qstr, encoded_str, encoded_len);
582 php_http_buffer_free(&qstr);
583
584 return SUCCESS;
585 }
586
587 ZEND_RESULT_CODE php_http_url_encode_hash_ex(HashTable *hash, php_http_buffer_t *qstr, const char *arg_sep_str, size_t arg_sep_len, const char *val_sep_str, size_t val_sep_len, const char *pre_encoded_str, size_t pre_encoded_len)
588 {
589 if (pre_encoded_len && pre_encoded_str) {
590 php_http_buffer_append(qstr, pre_encoded_str, pre_encoded_len);
591 }
592
593 if (!php_http_params_to_string(qstr, hash, arg_sep_str, arg_sep_len, "", 0, val_sep_str, val_sep_len, PHP_HTTP_PARAMS_QUERY)) {
594 return FAILURE;
595 }
596
597 return SUCCESS;
598 }
599
600 struct parse_state {
601 php_http_url_t url;
602 const char *ptr;
603 const char *end;
604 size_t maxlen;
605 off_t offset;
606 unsigned flags;
607 char buffer[1]; /* last member */
608 };
609
610 void php_http_url_free(php_http_url_t **url)
611 {
612 if (*url) {
613 efree(*url);
614 *url = NULL;
615 }
616 }
617
618 php_http_url_t *php_http_url_copy(const php_http_url_t *url, zend_bool persistent)
619 {
620 php_http_url_t *cpy;
621 const char *end = NULL, *url_ptr = (const char *) url;
622 char *cpy_ptr;
623
624 end = MAX(url->scheme, end);
625 end = MAX(url->pass, end);
626 end = MAX(url->user, end);
627 end = MAX(url->host, end);
628 end = MAX(url->path, end);
629 end = MAX(url->query, end);
630 end = MAX(url->fragment, end);
631
632 if (end) {
633 end += strlen(end) + 1;
634 cpy_ptr = pecalloc(1, end - url_ptr, persistent);
635 cpy = (php_http_url_t *) cpy_ptr;
636
637 memcpy(cpy_ptr + sizeof(*cpy), url_ptr + sizeof(*url), end - url_ptr - sizeof(*url));
638
639 cpy->scheme = url->scheme ? cpy_ptr + (url->scheme - url_ptr) : NULL;
640 cpy->pass = url->pass ? cpy_ptr + (url->pass - url_ptr) : NULL;
641 cpy->user = url->user ? cpy_ptr + (url->user - url_ptr) : NULL;
642 cpy->host = url->host ? cpy_ptr + (url->host - url_ptr) : NULL;
643 cpy->path = url->path ? cpy_ptr + (url->path - url_ptr) : NULL;
644 cpy->query = url->query ? cpy_ptr + (url->query - url_ptr) : NULL;
645 cpy->fragment = url->fragment ? cpy_ptr + (url->fragment - url_ptr) : NULL;
646 } else {
647 cpy = ecalloc(1, sizeof(*url));
648 }
649
650 cpy->port = url->port;
651
652 return cpy;
653 }
654
655 static size_t parse_mb_utf8(unsigned *wc, const char *ptr, const char *end)
656 {
657 unsigned wchar;
658 size_t consumed = utf8towc(&wchar, (const unsigned char *) ptr, end - ptr);
659
660 if (!consumed || consumed == (size_t) -1) {
661 return 0;
662 }
663
664 if (wc) {
665 *wc = wchar;
666 }
667 return consumed;
668 }
669
670 #ifdef PHP_HTTP_HAVE_WCHAR
671 static size_t parse_mb_loc(unsigned *wc, const char *ptr, const char *end)
672 {
673 wchar_t wchar;
674 size_t consumed = 0;
675 #if defined(HAVE_MBRTOWC)
676 mbstate_t ps = {0};
677
678 consumed = mbrtowc(&wchar, ptr, end - ptr, &ps);
679 #elif defined(HAVE_MBTOWC)
680 consumed = mbtowc(&wchar, ptr, end - ptr);
681 #endif
682
683 if (!consumed || consumed == (size_t) -1) {
684 return 0;
685 }
686
687 if (wc) {
688 *wc = wchar;
689 }
690 return consumed;
691 }
692 #endif
693
694 typedef enum parse_mb_what {
695 PARSE_SCHEME,
696 PARSE_USERINFO,
697 PARSE_HOSTINFO,
698 PARSE_PATH,
699 PARSE_QUERY,
700 PARSE_FRAGMENT
701 } parse_mb_what_t;
702
703 static const char * const parse_what[] = {
704 "scheme",
705 "userinfo",
706 "hostinfo",
707 "path",
708 "query",
709 "fragment"
710 };
711
712 static const char parse_xdigits[] = "0123456789ABCDEF";
713
714 static size_t parse_mb(struct parse_state *state, parse_mb_what_t what, const char *ptr, const char *end, const char *begin, zend_bool silent)
715 {
716 unsigned wchar;
717 size_t consumed = 0;
718
719 if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
720 consumed = parse_mb_utf8(&wchar, ptr, end);
721 }
722 #ifdef PHP_HTTP_HAVE_WCHAR
723 else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
724 consumed = parse_mb_loc(&wchar, ptr, end);
725 }
726 #endif
727
728 while (consumed) {
729 if (!(state->flags & PHP_HTTP_URL_PARSE_TOPCT) || what == PARSE_HOSTINFO || what == PARSE_SCHEME) {
730 if (what == PARSE_HOSTINFO && (state->flags & PHP_HTTP_URL_PARSE_TOIDN)) {
731 /* idna */
732 } else if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
733 if (!isualnum(wchar)) {
734 break;
735 }
736 #ifdef PHP_HTTP_HAVE_WCHAR
737 } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
738 if (!iswalnum(wchar)) {
739 break;
740 }
741 #endif
742 }
743 PHP_HTTP_DUFF(consumed, state->buffer[state->offset++] = *ptr++);
744 } else {
745 int i = 0;
746
747 PHP_HTTP_DUFF(consumed,
748 state->buffer[state->offset++] = '%';
749 state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) >> 4];
750 state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) & 0xf];
751 ++i;
752 );
753 }
754
755 return consumed;
756 }
757
758 if (!silent) {
759 php_error_docref(NULL, E_WARNING,
760 "Failed to parse %s; unexpected byte 0x%02x at pos %u in '%s'",
761 parse_what[what], (unsigned char) *ptr, (unsigned) (ptr - begin), begin);
762 }
763
764 return 0;
765 }
766
767 static ZEND_RESULT_CODE parse_userinfo(struct parse_state *state, const char *ptr)
768 {
769 size_t mb;
770 const char *password = NULL, *end = state->ptr, *tmp = ptr;
771
772 state->url.user = &state->buffer[state->offset];
773
774 do {
775 switch (*ptr) {
776 case ':':
777 if (password) {
778 php_error_docref(NULL, E_WARNING,
779 "Failed to parse password; duplicate ':' at pos %u in '%s'",
780 (unsigned) (ptr - tmp), tmp);
781 return FAILURE;
782 }
783 password = ptr + 1;
784 state->buffer[state->offset++] = 0;
785 state->url.pass = &state->buffer[state->offset];
786 break;
787
788 case '%':
789 if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
790 php_error_docref(NULL, E_WARNING,
791 "Failed to parse userinfo; invalid percent encoding at pos %u in '%s'",
792 (unsigned) (ptr - tmp), tmp);
793 return FAILURE;
794 }
795 state->buffer[state->offset++] = *ptr++;
796 state->buffer[state->offset++] = *ptr++;
797 state->buffer[state->offset++] = *ptr;
798 break;
799
800 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
801 case '+': case ',': case ';': case '=': /* sub-delims */
802 case '-': case '.': case '_': case '~': /* unreserved */
803 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
804 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
805 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
806 case 'V': case 'W': case 'X': case 'Y': case 'Z':
807 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
808 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
809 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
810 case 'v': case 'w': case 'x': case 'y': case 'z':
811 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
812 case '7': case '8': case '9':
813 /* allowed */
814 state->buffer[state->offset++] = *ptr;
815 break;
816
817 default:
818 if (!(mb = parse_mb(state, PARSE_USERINFO, ptr, end, tmp, 0))) {
819 return FAILURE;
820 }
821 ptr += mb - 1;
822 }
823 } while(++ptr != end);
824
825
826 state->buffer[state->offset++] = 0;
827
828 return SUCCESS;
829 }
830
831 static ZEND_RESULT_CODE parse_hostinfo(struct parse_state *state, const char *ptr)
832 {
833 size_t mb, len;
834 const char *end = state->ptr, *tmp = ptr, *port = NULL;
835
836
837 #ifdef HAVE_INET_PTON
838 if (*ptr == '[') {
839 char *error = NULL, *tmp = memchr(ptr, ']', end - ptr);
840
841 if (tmp) {
842 size_t addrlen = tmp - ptr + 1;
843 char buf[16], *addr = estrndup(ptr + 1, addrlen - 2);
844 int rv = inet_pton(AF_INET6, addr, buf);
845
846 efree(addr);
847 if (rv == 1) {
848 state->buffer[state->offset] = '[';
849 state->url.host = &state->buffer[state->offset];
850 inet_ntop(AF_INET6, buf, state->url.host + 1, state->maxlen - state->offset);
851 state->offset += strlen(state->url.host);
852 state->buffer[state->offset++] = ']';
853 state->buffer[state->offset++] = 0;
854 ptr = tmp + 1;
855 } else if (rv == -1) {
856 error = strerror(errno);
857 } else {
858 error = "unexpected '['";
859 }
860 } else {
861 error = "expected ']'";
862 }
863
864 if (error) {
865 php_error_docref(NULL, E_WARNING, "Failed to parse hostinfo; %s", error);
866 return FAILURE;
867 }
868 }
869 #endif
870 if (ptr != end) do {
871 switch (*ptr) {
872 case ':':
873 if (port) {
874 php_error_docref(NULL, E_WARNING,
875 "Failed to parse port; unexpected ':' at pos %u in '%s'",
876 (unsigned) (ptr - tmp), tmp);
877 return FAILURE;
878 }
879 port = ptr + 1;
880 break;
881
882 case '%':
883 if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
884 php_error_docref(NULL, E_WARNING,
885 "Failed to parse hostinfo; invalid percent encoding at pos %u in '%s'",
886 (unsigned) (ptr - tmp), tmp);
887 return FAILURE;
888 }
889 state->buffer[state->offset++] = *ptr++;
890 state->buffer[state->offset++] = *ptr++;
891 state->buffer[state->offset++] = *ptr;
892 break;
893
894 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
895 case '+': case ',': case ';': case '=': /* sub-delims */
896 case '-': case '.': case '_': case '~': /* unreserved */
897 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
898 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
899 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
900 case 'V': case 'W': case 'X': case 'Y': case 'Z':
901 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
902 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
903 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
904 case 'v': case 'w': case 'x': case 'y': case 'z':
905 if (port) {
906 php_error_docref(NULL, E_WARNING,
907 "Failed to parse port; unexpected char '%c' at pos %u in '%s'",
908 (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
909 return FAILURE;
910 }
911 /* no break */
912 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
913 case '7': case '8': case '9':
914 /* allowed */
915 if (port) {
916 state->url.port *= 10;
917 state->url.port += *ptr - '0';
918 } else {
919 state->buffer[state->offset++] = *ptr;
920 }
921 break;
922
923 default:
924 if (ptr == end) {
925 break;
926 } else if (port) {
927 php_error_docref(NULL, E_WARNING,
928 "Failed to parse port; unexpected byte 0x%02x at pos %u in '%s'",
929 (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
930 return FAILURE;
931 } else if (!(mb = parse_mb(state, PARSE_HOSTINFO, ptr, end, tmp, 0))) {
932 return FAILURE;
933 }
934 ptr += mb - 1;
935 }
936 } while (++ptr != end);
937
938 if (!state->url.host) {
939 len = (port ? port - tmp - 1 : end - tmp);
940 state->url.host = &state->buffer[state->offset - len];
941 state->buffer[state->offset++] = 0;
942 }
943
944 #ifdef PHP_HTTP_HAVE_IDN
945 if (state->flags & PHP_HTTP_URL_PARSE_TOIDN) {
946 char *idn = NULL;
947 int rv = -1;
948
949 if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
950 rv = idna_to_ascii_8z(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
951 }
952 # ifdef PHP_HTTP_HAVE_WCHAR
953 else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
954 rv = idna_to_ascii_lz(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
955 }
956 # endif
957 if (rv != IDNA_SUCCESS) {
958 php_error_docref(NULL, E_WARNING, "Failed to parse IDN; %s", idna_strerror(rv));
959 return FAILURE;
960 } else {
961 size_t idnlen = strlen(idn);
962 memcpy(state->url.host, idn, idnlen + 1);
963 free(idn);
964 state->offset += idnlen - len;
965 }
966 }
967 #endif
968
969 return SUCCESS;
970 }
971
972 static const char *parse_authority(struct parse_state *state)
973 {
974 const char *tmp = state->ptr, *host = NULL;
975
976 do {
977 switch (*state->ptr) {
978 case '@':
979 /* userinfo delimiter */
980 if (host) {
981 php_error_docref(NULL, E_WARNING,
982 "Failed to parse userinfo; unexpected '@'");
983 return NULL;
984 }
985 host = state->ptr + 1;
986 if (tmp != state->ptr && SUCCESS != parse_userinfo(state, tmp)) {
987 return NULL;
988 }
989 tmp = state->ptr + 1;
990 break;
991
992 case '/':
993 case '?':
994 case '#':
995 case '\0':
996 EOD:
997 /* host delimiter */
998 if (tmp != state->ptr && SUCCESS != parse_hostinfo(state, tmp)) {
999 return NULL;
1000 }
1001 return state->ptr;
1002 }
1003 } while (++state->ptr <= state->end);
1004
1005 --state->ptr;
1006 goto EOD;
1007 }
1008
1009 static const char *parse_path(struct parse_state *state)
1010 {
1011 size_t mb;
1012 const char *tmp;
1013
1014 /* is there actually a path to parse? */
1015 if (!*state->ptr) {
1016 return state->ptr;
1017 }
1018 tmp = state->ptr;
1019 state->url.path = &state->buffer[state->offset];
1020
1021 do {
1022 switch (*state->ptr) {
1023 case '#':
1024 case '?':
1025 goto done;
1026
1027 case '%':
1028 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1029 php_error_docref(NULL, E_WARNING,
1030 "Failed to parse path; invalid percent encoding at pos %u in '%s'",
1031 (unsigned) (state->ptr - tmp), tmp);
1032 return NULL;
1033 }
1034 state->buffer[state->offset++] = *state->ptr++;
1035 state->buffer[state->offset++] = *state->ptr++;
1036 state->buffer[state->offset++] = *state->ptr;
1037 break;
1038
1039 case '/': /* yeah, well */
1040 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1041 case '+': case ',': case ';': case '=': /* sub-delims */
1042 case '-': case '.': case '_': case '~': /* unreserved */
1043 case ':': case '@': /* pchar */
1044 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1045 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1046 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1047 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1048 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1049 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1050 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1051 case 'v': case 'w': case 'x': case 'y': case 'z':
1052 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1053 case '7': case '8': case '9':
1054 /* allowed */
1055 state->buffer[state->offset++] = *state->ptr;
1056 break;
1057
1058 default:
1059 if (!(mb = parse_mb(state, PARSE_PATH, state->ptr, state->end, tmp, 0))) {
1060 return NULL;
1061 }
1062 state->ptr += mb - 1;
1063 }
1064 } while (++state->ptr < state->end);
1065
1066 done:
1067 /* did we have any path component ? */
1068 if (tmp != state->ptr) {
1069 state->buffer[state->offset++] = 0;
1070 } else {
1071 state->url.path = NULL;
1072 }
1073 return state->ptr;
1074 }
1075
1076 static const char *parse_query(struct parse_state *state)
1077 {
1078 size_t mb;
1079 const char *tmp = state->ptr + !!*state->ptr;
1080
1081 /* is there actually a query to parse? */
1082 if (*state->ptr != '?') {
1083 return state->ptr;
1084 }
1085
1086 /* skip initial '?' */
1087 tmp = ++state->ptr;
1088 state->url.query = &state->buffer[state->offset];
1089
1090 do {
1091 switch (*state->ptr) {
1092 case '#':
1093 goto done;
1094
1095 case '%':
1096 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1097 php_error_docref(NULL, E_WARNING,
1098 "Failed to parse query; invalid percent encoding at pos %u in '%s'",
1099 (unsigned) (state->ptr - tmp), tmp);
1100 return NULL;
1101 }
1102 state->buffer[state->offset++] = *state->ptr++;
1103 state->buffer[state->offset++] = *state->ptr++;
1104 state->buffer[state->offset++] = *state->ptr;
1105 break;
1106
1107 case ']':
1108 case '[':
1109 if (state->flags & PHP_HTTP_URL_PARSE_TOPCT) {
1110 state->buffer[state->offset++] = '%';
1111 state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) >> 4];
1112 state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) & 0xf];
1113 break;
1114 }
1115 /* no break */
1116
1117 case '?': case '/': /* yeah, well */
1118 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1119 case '+': case ',': case ';': case '=': /* sub-delims */
1120 case '-': case '.': case '_': case '~': /* unreserved */
1121 case ':': case '@': /* pchar */
1122 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1123 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1124 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1125 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1126 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1127 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1128 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1129 case 'v': case 'w': case 'x': case 'y': case 'z':
1130 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1131 case '7': case '8': case '9':
1132 /* allowed */
1133 state->buffer[state->offset++] = *state->ptr;
1134 break;
1135
1136 default:
1137 if (!(mb = parse_mb(state, PARSE_QUERY, state->ptr, state->end, tmp, 0))) {
1138 return NULL;
1139 }
1140 state->ptr += mb - 1;
1141 }
1142 } while (++state->ptr < state->end);
1143
1144 done:
1145 state->buffer[state->offset++] = 0;
1146 return state->ptr;
1147 }
1148
1149 static const char *parse_fragment(struct parse_state *state)
1150 {
1151 size_t mb;
1152 const char *tmp;
1153
1154 /* is there actually a fragment to parse? */
1155 if (*state->ptr != '#') {
1156 return state->ptr;
1157 }
1158
1159 /* skip initial '#' */
1160 tmp = ++state->ptr;
1161 state->url.fragment = &state->buffer[state->offset];
1162
1163 do {
1164 switch (*state->ptr) {
1165 case '%':
1166 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1167 php_error_docref(NULL, E_WARNING,
1168 "Failed to parse fragment; invalid percent encoding at pos %u in '%s'",
1169 (unsigned) (state->ptr - tmp), tmp);
1170 return NULL;
1171 }
1172 state->buffer[state->offset++] = *state->ptr++;
1173 state->buffer[state->offset++] = *state->ptr++;
1174 state->buffer[state->offset++] = *state->ptr;
1175 break;
1176
1177 case '?': case '/':
1178 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1179 case '+': case ',': case ';': case '=': /* sub-delims */
1180 case '-': case '.': case '_': case '~': /* unreserved */
1181 case ':': case '@': /* pchar */
1182 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1183 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1184 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1185 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1186 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1187 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1188 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1189 case 'v': case 'w': case 'x': case 'y': case 'z':
1190 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1191 case '7': case '8': case '9':
1192 /* allowed */
1193 state->buffer[state->offset++] = *state->ptr;
1194 break;
1195
1196 default:
1197 if (!(mb = parse_mb(state, PARSE_FRAGMENT, state->ptr, state->end, tmp, 0))) {
1198 return NULL;
1199 }
1200 state->ptr += mb - 1;
1201 }
1202 } while (++state->ptr < state->end);
1203
1204 state->buffer[state->offset++] = 0;
1205 return state->ptr;
1206 }
1207
1208 static const char *parse_hier(struct parse_state *state)
1209 {
1210 if (*state->ptr == '/') {
1211 if (state->end - state->ptr > 1) {
1212 if (*(state->ptr + 1) == '/') {
1213 state->ptr += 2;
1214 if (!(state->ptr = parse_authority(state))) {
1215 return NULL;
1216 }
1217 }
1218 }
1219 }
1220 return parse_path(state);
1221 }
1222
1223 static const char *parse_scheme(struct parse_state *state)
1224 {
1225 size_t mb;
1226 const char *tmp = state->ptr;
1227
1228 do {
1229 switch (*state->ptr) {
1230 case ':':
1231 /* scheme delimiter */
1232 state->url.scheme = &state->buffer[0];
1233 state->buffer[state->offset++] = 0;
1234 return ++state->ptr;
1235
1236 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1237 case '7': case '8': case '9':
1238 case '+': case '-': case '.':
1239 if (state->ptr == tmp) {
1240 return tmp;
1241 }
1242 /* no break */
1243 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1244 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1245 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1246 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1247 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1248 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1249 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1250 case 'v': case 'w': case 'x': case 'y': case 'z':
1251 /* scheme part */
1252 state->buffer[state->offset++] = *state->ptr;
1253 break;
1254
1255 default:
1256 if (!(mb = parse_mb(state, PARSE_SCHEME, state->ptr, state->end, tmp, 1))) {
1257 /* soft fail; parse path next */
1258 return tmp;
1259 }
1260 state->ptr += mb - 1;
1261 }
1262 } while (++state->ptr != state->end);
1263
1264 return state->ptr = tmp;
1265 }
1266
1267 php_http_url_t *php_http_url_parse(const char *str, size_t len, unsigned flags)
1268 {
1269 size_t maxlen = 3 * len;
1270 struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
1271
1272 state->end = str + len;
1273 state->ptr = str;
1274 state->flags = flags;
1275 state->maxlen = maxlen;
1276
1277 if (!parse_scheme(state)) {
1278 php_error_docref(NULL, E_WARNING, "Failed to parse URL scheme: '%s'", state->ptr);
1279 efree(state);
1280 return NULL;
1281 }
1282
1283 if (!parse_hier(state)) {
1284 efree(state);
1285 return NULL;
1286 }
1287
1288 if (!parse_query(state)) {
1289 php_error_docref(NULL, E_WARNING, "Failed to parse URL query: '%s'", state->ptr);
1290 efree(state);
1291 return NULL;
1292 }
1293
1294 if (!parse_fragment(state)) {
1295 php_error_docref(NULL, E_WARNING, "Failed to parse URL fragment: '%s'", state->ptr);
1296 efree(state);
1297 return NULL;
1298 }
1299
1300 return (php_http_url_t *) state;
1301 }
1302
1303 php_http_url_t *php_http_url_parse_authority(const char *str, size_t len, unsigned flags)
1304 {
1305 size_t maxlen = 3 * len;
1306 struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
1307
1308 state->end = str + len;
1309 state->ptr = str;
1310 state->flags = flags;
1311 state->maxlen = maxlen;
1312 TSRMLS_SET_CTX(state->ts);
1313
1314 if (!(state->ptr = parse_authority(state))) {
1315 efree(state);
1316 return NULL;
1317 }
1318
1319 if (state->ptr != state->end) {
1320 php_error_docref(NULL TSRMLS_CC, E_WARNING,
1321 "Failed to parse URL authority, unexpected character at pos %u in '%s'",
1322 (unsigned) (state->ptr - str), str);
1323 efree(state);
1324 return NULL;
1325 }
1326
1327 return (php_http_url_t *) state;
1328 }
1329
1330 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl___construct, 0, 0, 0)
1331 ZEND_ARG_INFO(0, old_url)
1332 ZEND_ARG_INFO(0, new_url)
1333 ZEND_ARG_INFO(0, flags)
1334 ZEND_END_ARG_INFO();
1335 PHP_METHOD(HttpUrl, __construct)
1336 {
1337 zval *new_url = NULL, *old_url = NULL;
1338 zend_long flags = PHP_HTTP_URL_FROM_ENV;
1339 zend_error_handling zeh;
1340
1341 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "|z!z!l", &old_url, &new_url, &flags), invalid_arg, return);
1342
1343 zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh);
1344 {
1345 php_http_url_t *res_purl, *new_purl = NULL, *old_purl = NULL;
1346
1347 if (new_url) {
1348 new_purl = php_http_url_from_zval(new_url, flags);
1349 if (!new_purl) {
1350 zend_restore_error_handling(&zeh);
1351 return;
1352 }
1353 }
1354 if (old_url) {
1355 old_purl = php_http_url_from_zval(old_url, flags);
1356 if (!old_purl) {
1357 if (new_purl) {
1358 php_http_url_free(&new_purl);
1359 }
1360 zend_restore_error_handling(&zeh);
1361 return;
1362 }
1363 }
1364
1365 res_purl = php_http_url_mod(old_purl, new_purl, flags);
1366 php_http_url_to_struct(res_purl, getThis());
1367
1368 php_http_url_free(&res_purl);
1369 if (old_purl) {
1370 php_http_url_free(&old_purl);
1371 }
1372 if (new_purl) {
1373 php_http_url_free(&new_purl);
1374 }
1375 }
1376 zend_restore_error_handling(&zeh);
1377 }
1378
1379 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_mod, 0, 0, 1)
1380 ZEND_ARG_INFO(0, more_url_parts)
1381 ZEND_ARG_INFO(0, flags)
1382 ZEND_END_ARG_INFO();
1383 PHP_METHOD(HttpUrl, mod)
1384 {
1385 zval *new_url = NULL;
1386 zend_long flags = PHP_HTTP_URL_JOIN_PATH | PHP_HTTP_URL_JOIN_QUERY;
1387 zend_error_handling zeh;
1388
1389 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS(), "z!|l", &new_url, &flags), invalid_arg, return);
1390
1391 zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh);
1392 {
1393 php_http_url_t *new_purl = NULL, *old_purl = NULL;
1394
1395 if (new_url) {
1396 new_purl = php_http_url_from_zval(new_url, flags);
1397 if (!new_purl) {
1398 zend_restore_error_handling(&zeh);
1399 return;
1400 }
1401 }
1402
1403 if ((old_purl = php_http_url_from_struct(HASH_OF(getThis())))) {
1404 php_http_url_t *res_purl;
1405
1406 ZVAL_OBJ(return_value, zend_objects_clone_obj(getThis()));
1407
1408 res_purl = php_http_url_mod(old_purl, new_purl, flags);
1409 php_http_url_to_struct(res_purl, return_value);
1410
1411 php_http_url_free(&res_purl);
1412 php_http_url_free(&old_purl);
1413 }
1414 if (new_purl) {
1415 php_http_url_free(&new_purl);
1416 }
1417 }
1418 zend_restore_error_handling(&zeh);
1419 }
1420
1421 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toString, 0, 0, 0)
1422 ZEND_END_ARG_INFO();
1423 PHP_METHOD(HttpUrl, toString)
1424 {
1425 if (SUCCESS == zend_parse_parameters_none()) {
1426 php_http_url_t *purl;
1427
1428 if ((purl = php_http_url_from_struct(HASH_OF(getThis())))) {
1429 char *str;
1430 size_t len;
1431
1432 php_http_url_to_string(purl, &str, &len, 0);
1433 php_http_url_free(&purl);
1434 RETURN_STR(php_http_cs2zs(str, len));
1435 }
1436 }
1437 RETURN_EMPTY_STRING();
1438 }
1439
1440 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toArray, 0, 0, 0)
1441 ZEND_END_ARG_INFO();
1442 PHP_METHOD(HttpUrl, toArray)
1443 {
1444 php_http_url_t *purl;
1445
1446 if (SUCCESS != zend_parse_parameters_none()) {
1447 return;
1448 }
1449
1450 /* strip any non-URL properties */
1451 purl = php_http_url_from_struct(HASH_OF(getThis()));
1452 php_http_url_to_struct(purl, return_value);
1453 php_http_url_free(&purl);
1454 }
1455
1456 static zend_function_entry php_http_url_methods[] = {
1457 PHP_ME(HttpUrl, __construct, ai_HttpUrl___construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
1458 PHP_ME(HttpUrl, mod, ai_HttpUrl_mod, ZEND_ACC_PUBLIC)
1459 PHP_ME(HttpUrl, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
1460 ZEND_MALIAS(HttpUrl, __toString, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
1461 PHP_ME(HttpUrl, toArray, ai_HttpUrl_toArray, ZEND_ACC_PUBLIC)
1462 EMPTY_FUNCTION_ENTRY
1463 };
1464
1465 zend_class_entry *php_http_url_class_entry;
1466
1467 PHP_MINIT_FUNCTION(http_url)
1468 {
1469 zend_class_entry ce = {0};
1470
1471 INIT_NS_CLASS_ENTRY(ce, "http", "Url", php_http_url_methods);
1472 php_http_url_class_entry = zend_register_internal_class(&ce);
1473
1474 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("scheme"), ZEND_ACC_PUBLIC);
1475 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("user"), ZEND_ACC_PUBLIC);
1476 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("pass"), ZEND_ACC_PUBLIC);
1477 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("host"), ZEND_ACC_PUBLIC);
1478 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("port"), ZEND_ACC_PUBLIC);
1479 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("path"), ZEND_ACC_PUBLIC);
1480 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("query"), ZEND_ACC_PUBLIC);
1481 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("fragment"), ZEND_ACC_PUBLIC);
1482
1483 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("REPLACE"), PHP_HTTP_URL_REPLACE);
1484 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_PATH"), PHP_HTTP_URL_JOIN_PATH);
1485 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_QUERY"), PHP_HTTP_URL_JOIN_QUERY);
1486 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_USER"), PHP_HTTP_URL_STRIP_USER);
1487 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PASS"), PHP_HTTP_URL_STRIP_PASS);
1488 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_AUTH"), PHP_HTTP_URL_STRIP_AUTH);
1489 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PORT"), PHP_HTTP_URL_STRIP_PORT);
1490 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PATH"), PHP_HTTP_URL_STRIP_PATH);
1491 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_QUERY"), PHP_HTTP_URL_STRIP_QUERY);
1492 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_FRAGMENT"), PHP_HTTP_URL_STRIP_FRAGMENT);
1493 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_ALL"), PHP_HTTP_URL_STRIP_ALL);
1494 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("FROM_ENV"), PHP_HTTP_URL_FROM_ENV);
1495 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("SANITIZE_PATH"), PHP_HTTP_URL_SANITIZE_PATH);
1496
1497 #ifdef PHP_HTTP_HAVE_WCHAR
1498 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBLOC"), PHP_HTTP_URL_PARSE_MBLOC);
1499 #endif
1500 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBUTF8"), PHP_HTTP_URL_PARSE_MBUTF8);
1501 #ifdef PHP_HTTP_HAVE_IDN
1502 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOIDN"), PHP_HTTP_URL_PARSE_TOIDN);
1503 #endif
1504 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOPCT"), PHP_HTTP_URL_PARSE_TOPCT);
1505
1506 return SUCCESS;
1507 }
1508
1509
1510 /*
1511 * Local variables:
1512 * tab-width: 4
1513 * c-basic-offset: 4
1514 * End:
1515 * vim600: noet sw=4 ts=4 fdm=marker
1516 * vim<600: noet sw=4 ts=4
1517 */
1518
Extended HTTP Support