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2.3.0RC1
[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(TSRMLS_D)
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 TSRMLS_CC);
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 TSRMLS_CC)) ||
84 (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_NAME"), 1 TSRMLS_CC)) ||
85 (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_ADDR"), 1 TSRMLS_CC)))) && 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 TSRMLS_CC);
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 TSRMLS_DC)
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(TSRMLS_C);
167
168 old_url = tmp_url = php_http_url_mod(env_url, old_url, flags ^ PHP_HTTP_URL_FROM_ENV TSRMLS_CC);
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 INIT_PZVAL(&qstr);
230 INIT_PZVAL(&qarr);
231 array_init(&qarr);
232
233 ZVAL_STRING(&qstr, old_url->query, 0);
234 php_http_querystring_update(&qarr, &qstr, NULL TSRMLS_CC);
235 ZVAL_STRING(&qstr, new_url->query, 0);
236 php_http_querystring_update(&qarr, &qstr, NULL TSRMLS_CC);
237
238 ZVAL_NULL(&qstr);
239 php_http_querystring_update(&qarr, NULL, &qstr TSRMLS_CC);
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 TSRMLS_DC)
424 {
425 zval *zcpy;
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 zcpy = php_http_ztyp(IS_STRING, value);
436 purl = php_http_url_parse(Z_STRVAL_P(zcpy), Z_STRLEN_P(zcpy), flags TSRMLS_CC);
437 zval_ptr_dtor(&zcpy);
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 (SUCCESS == zend_hash_find(ht, "scheme", sizeof("scheme"), (void *) &e)) {
453 zval *cpy = php_http_ztyp(IS_STRING, *e);
454 url(buf)->scheme = &buf.data[buf.used];
455 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
456 zval_ptr_dtor(&cpy);
457 }
458 if (SUCCESS == zend_hash_find(ht, "user", sizeof("user"), (void *) &e)) {
459 zval *cpy = php_http_ztyp(IS_STRING, *e);
460 url(buf)->user = &buf.data[buf.used];
461 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
462 zval_ptr_dtor(&cpy);
463 }
464 if (SUCCESS == zend_hash_find(ht, "pass", sizeof("pass"), (void *) &e)) {
465 zval *cpy = php_http_ztyp(IS_STRING, *e);
466 url(buf)->pass = &buf.data[buf.used];
467 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
468 zval_ptr_dtor(&cpy);
469 }
470 if (SUCCESS == zend_hash_find(ht, "host", sizeof("host"), (void *) &e)) {
471 zval *cpy = php_http_ztyp(IS_STRING, *e);
472 url(buf)->host = &buf.data[buf.used];
473 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
474 zval_ptr_dtor(&cpy);
475 }
476 if (SUCCESS == zend_hash_find(ht, "port", sizeof("port"), (void *) &e)) {
477 zval *cpy = php_http_ztyp(IS_LONG, *e);
478 url(buf)->port = (unsigned short) Z_LVAL_P(cpy);
479 zval_ptr_dtor(&cpy);
480 }
481 if (SUCCESS == zend_hash_find(ht, "path", sizeof("path"), (void *) &e)) {
482 zval *cpy = php_http_ztyp(IS_STRING, *e);
483 url(buf)->path = &buf.data[buf.used];
484 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
485 zval_ptr_dtor(&cpy);
486 }
487 if (SUCCESS == zend_hash_find(ht, "query", sizeof("query"), (void *) &e)) {
488 zval *cpy = php_http_ztyp(IS_STRING, *e);
489 url(buf)->query = &buf.data[buf.used];
490 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
491 zval_ptr_dtor(&cpy);
492 }
493 if (SUCCESS == zend_hash_find(ht, "fragment", sizeof("fragment"), (void *) &e)) {
494 zval *cpy = php_http_ztyp(IS_STRING, *e);
495 url(buf)->fragment = &buf.data[buf.used];
496 url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
497 zval_ptr_dtor(&cpy);
498 }
499
500 return url(buf);
501 }
502
503 HashTable *php_http_url_to_struct(const php_http_url_t *url, zval *strct TSRMLS_DC)
504 {
505 zval arr;
506
507 if (strct) {
508 switch (Z_TYPE_P(strct)) {
509 default:
510 zval_dtor(strct);
511 array_init(strct);
512 /* no break */
513 case IS_ARRAY:
514 case IS_OBJECT:
515 INIT_PZVAL_ARRAY((&arr), HASH_OF(strct));
516 break;
517 }
518 } else {
519 INIT_PZVAL(&arr);
520 array_init(&arr);
521 }
522
523 if (url) {
524 if (url->scheme) {
525 add_assoc_string(&arr, "scheme", url->scheme, 1);
526 }
527 if (url->user) {
528 add_assoc_string(&arr, "user", url->user, 1);
529 }
530 if (url->pass) {
531 add_assoc_string(&arr, "pass", url->pass, 1);
532 }
533 if (url->host) {
534 add_assoc_string(&arr, "host", url->host, 1);
535 }
536 if (url->port) {
537 add_assoc_long(&arr, "port", (long) url->port);
538 }
539 if (url->path) {
540 add_assoc_string(&arr, "path", url->path, 1);
541 }
542 if (url->query) {
543 add_assoc_string(&arr, "query", url->query, 1);
544 }
545 if (url->fragment) {
546 add_assoc_string(&arr, "fragment", url->fragment, 1);
547 }
548 }
549
550 return Z_ARRVAL(arr);
551 }
552
553 STATUS php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len TSRMLS_DC)
554 {
555 const char *arg_sep_str;
556 size_t arg_sep_len;
557 php_http_buffer_t *qstr = php_http_buffer_new();
558
559 php_http_url_argsep(&arg_sep_str, &arg_sep_len TSRMLS_CC);
560
561 if (SUCCESS != php_http_url_encode_hash_ex(hash, qstr, arg_sep_str, arg_sep_len, "=", 1, pre_encoded_str, pre_encoded_len TSRMLS_CC)) {
562 php_http_buffer_free(&qstr);
563 return FAILURE;
564 }
565
566 php_http_buffer_data(qstr, encoded_str, encoded_len);
567 php_http_buffer_free(&qstr);
568
569 return SUCCESS;
570 }
571
572 STATUS 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 TSRMLS_DC)
573 {
574 if (pre_encoded_len && pre_encoded_str) {
575 php_http_buffer_append(qstr, pre_encoded_str, pre_encoded_len);
576 }
577
578 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 TSRMLS_CC)) {
579 return FAILURE;
580 }
581
582 return SUCCESS;
583 }
584
585 struct parse_state {
586 php_http_url_t url;
587 #ifdef ZTS
588 void ***ts;
589 #endif
590 const char *ptr;
591 const char *end;
592 size_t maxlen;
593 off_t offset;
594 unsigned flags;
595 char buffer[1]; /* last member */
596 };
597
598 void php_http_url_free(php_http_url_t **url)
599 {
600 if (*url) {
601 efree(*url);
602 *url = NULL;
603 }
604 }
605
606 php_http_url_t *php_http_url_copy(const php_http_url_t *url, zend_bool persistent)
607 {
608 php_http_url_t *cpy;
609 const char *end = NULL, *url_ptr = (const char *) url;
610 char *cpy_ptr;
611
612 end = MAX(url->scheme, end);
613 end = MAX(url->pass, end);
614 end = MAX(url->user, end);
615 end = MAX(url->host, end);
616 end = MAX(url->path, end);
617 end = MAX(url->query, end);
618 end = MAX(url->fragment, end);
619
620 if (end) {
621 end += strlen(end) + 1;
622 cpy_ptr = pecalloc(1, end - url_ptr, persistent);
623 cpy = (php_http_url_t *) cpy_ptr;
624
625 memcpy(cpy_ptr + sizeof(*cpy), url_ptr + sizeof(*url), end - url_ptr - sizeof(*url));
626
627 cpy->scheme = url->scheme ? cpy_ptr + (url->scheme - url_ptr) : NULL;
628 cpy->pass = url->pass ? cpy_ptr + (url->pass - url_ptr) : NULL;
629 cpy->user = url->user ? cpy_ptr + (url->user - url_ptr) : NULL;
630 cpy->host = url->host ? cpy_ptr + (url->host - url_ptr) : NULL;
631 cpy->path = url->path ? cpy_ptr + (url->path - url_ptr) : NULL;
632 cpy->query = url->query ? cpy_ptr + (url->query - url_ptr) : NULL;
633 cpy->fragment = url->fragment ? cpy_ptr + (url->fragment - url_ptr) : NULL;
634 } else {
635 cpy = ecalloc(1, sizeof(*url));
636 }
637
638 cpy->port = url->port;
639
640 return cpy;
641 }
642
643 static size_t parse_mb_utf8(unsigned *wc, const char *ptr, const char *end)
644 {
645 unsigned wchar;
646 size_t consumed = utf8towc(&wchar, (const unsigned char *) ptr, end - ptr);
647
648 if (!consumed || consumed == (size_t) -1) {
649 return 0;
650 }
651
652 if (wc) {
653 *wc = wchar;
654 }
655 return consumed;
656 }
657
658 #ifdef PHP_HTTP_HAVE_WCHAR
659 static size_t parse_mb_loc(unsigned *wc, const char *ptr, const char *end)
660 {
661 wchar_t wchar;
662 size_t consumed = 0;
663 #if defined(HAVE_MBRTOWC)
664 mbstate_t ps = {0};
665
666 consumed = mbrtowc(&wchar, ptr, end - ptr, &ps);
667 #elif defined(HAVE_MBTOWC)
668 consumed = mbtowc(&wchar, ptr, end - ptr);
669 #endif
670
671 if (!consumed || consumed == (size_t) -1) {
672 return 0;
673 }
674
675 if (wc) {
676 *wc = wchar;
677 }
678 return consumed;
679 }
680 #endif
681
682 typedef enum parse_mb_what {
683 PARSE_SCHEME,
684 PARSE_USERINFO,
685 PARSE_HOSTINFO,
686 PARSE_PATH,
687 PARSE_QUERY,
688 PARSE_FRAGMENT
689 } parse_mb_what_t;
690
691 static const char * const parse_what[] = {
692 "scheme",
693 "userinfo",
694 "hostinfo",
695 "path",
696 "query",
697 "fragment"
698 };
699
700 static const char parse_xdigits[] = "0123456789ABCDEF";
701
702 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)
703 {
704 unsigned wchar;
705 size_t consumed = 0;
706
707 if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
708 consumed = parse_mb_utf8(&wchar, ptr, end);
709 }
710 #ifdef PHP_HTTP_HAVE_WCHAR
711 else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
712 consumed = parse_mb_loc(&wchar, ptr, end);
713 }
714 #endif
715
716 while (consumed) {
717 if (!(state->flags & PHP_HTTP_URL_PARSE_TOPCT) || what == PARSE_HOSTINFO || what == PARSE_SCHEME) {
718 if (what == PARSE_HOSTINFO && (state->flags & PHP_HTTP_URL_PARSE_TOIDN)) {
719 /* idna */
720 } else if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
721 if (!isualnum(wchar)) {
722 break;
723 }
724 #ifdef PHP_HTTP_HAVE_WCHAR
725 } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
726 if (!iswalnum(wchar)) {
727 break;
728 }
729 #endif
730 }
731 PHP_HTTP_DUFF(consumed, state->buffer[state->offset++] = *ptr++);
732 } else {
733 int i = 0;
734
735 PHP_HTTP_DUFF(consumed,
736 state->buffer[state->offset++] = '%';
737 state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) >> 4];
738 state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) & 0xf];
739 ++i;
740 );
741 }
742
743 return consumed;
744 }
745
746 if (!silent) {
747 TSRMLS_FETCH_FROM_CTX(state->ts);
748 php_error_docref(NULL TSRMLS_CC, E_WARNING,
749 "Failed to parse %s; unexpected byte 0x%02x at pos %u in '%s'",
750 parse_what[what], (unsigned char) *ptr, (unsigned) (ptr - begin), begin);
751 }
752
753 return 0;
754 }
755
756 static STATUS parse_userinfo(struct parse_state *state, const char *ptr)
757 {
758 size_t mb;
759 const char *password = NULL, *end = state->ptr, *tmp = ptr;
760 TSRMLS_FETCH_FROM_CTX(state->ts);
761
762 state->url.user = &state->buffer[state->offset];
763
764 do {
765 switch (*ptr) {
766 case ':':
767 if (password) {
768 php_error_docref(NULL TSRMLS_CC, E_WARNING,
769 "Failed to parse password; duplicate ':' at pos %u in '%s'",
770 (unsigned) (ptr - tmp), tmp);
771 return FAILURE;
772 }
773 password = ptr + 1;
774 state->buffer[state->offset++] = 0;
775 state->url.pass = &state->buffer[state->offset];
776 break;
777
778 case '%':
779 if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
780 php_error_docref(NULL TSRMLS_CC, E_WARNING,
781 "Failed to parse userinfo; invalid percent encoding at pos %u in '%s'",
782 (unsigned) (ptr - tmp), tmp);
783 return FAILURE;
784 }
785 state->buffer[state->offset++] = *ptr++;
786 state->buffer[state->offset++] = *ptr++;
787 state->buffer[state->offset++] = *ptr;
788 break;
789
790 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
791 case '+': case ',': case ';': case '=': /* sub-delims */
792 case '-': case '.': case '_': case '~': /* unreserved */
793 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
794 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
795 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
796 case 'V': case 'W': case 'X': case 'Y': case 'Z':
797 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
798 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
799 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
800 case 'v': case 'w': case 'x': case 'y': case 'z':
801 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
802 case '7': case '8': case '9':
803 /* allowed */
804 state->buffer[state->offset++] = *ptr;
805 break;
806
807 default:
808 if (!(mb = parse_mb(state, PARSE_USERINFO, ptr, end, tmp, 0))) {
809 return FAILURE;
810 }
811 ptr += mb - 1;
812 }
813 } while(++ptr != end);
814
815
816 state->buffer[state->offset++] = 0;
817
818 return SUCCESS;
819 }
820
821 static STATUS parse_hostinfo(struct parse_state *state, const char *ptr)
822 {
823 size_t mb, len;
824 const char *end = state->ptr, *tmp = ptr, *port = NULL;
825 TSRMLS_FETCH_FROM_CTX(state->ts);
826
827
828 #ifdef HAVE_INET_PTON
829 if (*ptr == '[') {
830 char *error = NULL, *tmp = memchr(ptr, ']', end - ptr);
831
832 if (tmp) {
833 size_t addrlen = tmp - ptr + 1;
834 char buf[16], *addr = estrndup(ptr + 1, addrlen - 2);
835 int rv = inet_pton(AF_INET6, addr, buf);
836
837 efree(addr);
838 if (rv == 1) {
839 state->buffer[state->offset] = '[';
840 state->url.host = &state->buffer[state->offset];
841 inet_ntop(AF_INET6, buf, state->url.host + 1, state->maxlen - state->offset);
842 state->offset += strlen(state->url.host);
843 state->buffer[state->offset++] = ']';
844 state->buffer[state->offset++] = 0;
845 ptr = tmp + 1;
846 } else if (rv == -1) {
847 error = strerror(errno);
848 } else {
849 error = "unexpected '['";
850 }
851 } else {
852 error = "expected ']'";
853 }
854
855 if (error) {
856 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse hostinfo; %s", error);
857 return FAILURE;
858 }
859 }
860 #endif
861 if (ptr != end) do {
862 switch (*ptr) {
863 case ':':
864 if (port) {
865 php_error_docref(NULL TSRMLS_CC, E_WARNING,
866 "Failed to parse port; unexpected ':' at pos %u in '%s'",
867 (unsigned) (ptr - tmp), tmp);
868 return FAILURE;
869 }
870 port = ptr + 1;
871 break;
872
873 case '%':
874 if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
875 php_error_docref(NULL TSRMLS_CC, E_WARNING,
876 "Failed to parse hostinfo; invalid percent encoding at pos %u in '%s'",
877 (unsigned) (ptr - tmp), tmp);
878 return FAILURE;
879 }
880 state->buffer[state->offset++] = *ptr++;
881 state->buffer[state->offset++] = *ptr++;
882 state->buffer[state->offset++] = *ptr;
883 break;
884
885 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
886 case '+': case ',': case ';': case '=': /* sub-delims */
887 case '-': case '.': case '_': case '~': /* unreserved */
888 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
889 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
890 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
891 case 'V': case 'W': case 'X': case 'Y': case 'Z':
892 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
893 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
894 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
895 case 'v': case 'w': case 'x': case 'y': case 'z':
896 if (port) {
897 php_error_docref(NULL TSRMLS_CC, E_WARNING,
898 "Failed to parse port; unexpected char '%c' at pos %u in '%s'",
899 (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
900 return FAILURE;
901 }
902 /* no break */
903 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
904 case '7': case '8': case '9':
905 /* allowed */
906 if (port) {
907 state->url.port *= 10;
908 state->url.port += *ptr - '0';
909 } else {
910 state->buffer[state->offset++] = *ptr;
911 }
912 break;
913
914 default:
915 if (ptr == end) {
916 break;
917 } else if (port) {
918 php_error_docref(NULL TSRMLS_CC, E_WARNING,
919 "Failed to parse port; unexpected byte 0x%02x at pos %u in '%s'",
920 (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
921 return FAILURE;
922 } else if (!(mb = parse_mb(state, PARSE_HOSTINFO, ptr, end, tmp, 0))) {
923 return FAILURE;
924 }
925 ptr += mb - 1;
926 }
927 } while (++ptr != end);
928
929 if (!state->url.host) {
930 len = (port ? port - tmp - 1 : end - tmp);
931 state->url.host = &state->buffer[state->offset - len];
932 state->buffer[state->offset++] = 0;
933 }
934
935 #ifdef PHP_HTTP_HAVE_IDN
936 if (state->flags & PHP_HTTP_URL_PARSE_TOIDN) {
937 char *idn = NULL;
938 int rv = -1;
939
940 if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
941 rv = idna_to_ascii_8z(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
942 }
943 # ifdef PHP_HTTP_HAVE_WCHAR
944 else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
945 rv = idna_to_ascii_lz(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
946 }
947 # endif
948 if (rv != IDNA_SUCCESS) {
949 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN; %s", idna_strerror(rv));
950 return FAILURE;
951 } else {
952 size_t idnlen = strlen(idn);
953 memcpy(state->url.host, idn, idnlen + 1);
954 free(idn);
955 state->offset += idnlen - len;
956 }
957 }
958 #endif
959
960 return SUCCESS;
961 }
962
963 static const char *parse_authority(struct parse_state *state)
964 {
965 const char *tmp = state->ptr, *host = NULL;
966
967 do {
968 switch (*state->ptr) {
969 case '@':
970 /* userinfo delimiter */
971 if (host) {
972 TSRMLS_FETCH_FROM_CTX(state->ts);
973 php_error_docref(NULL TSRMLS_CC, E_WARNING,
974 "Failed to parse userinfo; unexpected '@'");
975 return NULL;
976 }
977 host = state->ptr + 1;
978 if (tmp != state->ptr && SUCCESS != parse_userinfo(state, tmp)) {
979 return NULL;
980 }
981 tmp = state->ptr + 1;
982 break;
983
984 case '/':
985 case '?':
986 case '#':
987 case '\0':
988 EOD:
989 /* host delimiter */
990 if (tmp != state->ptr && SUCCESS != parse_hostinfo(state, tmp)) {
991 return NULL;
992 }
993 return state->ptr;
994 }
995 } while (++state->ptr <= state->end);
996
997 --state->ptr;
998 goto EOD;
999 }
1000
1001 static const char *parse_path(struct parse_state *state)
1002 {
1003 size_t mb;
1004 const char *tmp;
1005 TSRMLS_FETCH_FROM_CTX(state->ts);
1006
1007 /* is there actually a path to parse? */
1008 if (!*state->ptr) {
1009 return state->ptr;
1010 }
1011 tmp = state->ptr;
1012 state->url.path = &state->buffer[state->offset];
1013
1014 do {
1015 switch (*state->ptr) {
1016 case '#':
1017 case '?':
1018 goto done;
1019
1020 case '%':
1021 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1022 php_error_docref(NULL TSRMLS_CC, E_WARNING,
1023 "Failed to parse path; invalid percent encoding at pos %u in '%s'",
1024 (unsigned) (state->ptr - tmp), tmp);
1025 return NULL;
1026 }
1027 state->buffer[state->offset++] = *state->ptr++;
1028 state->buffer[state->offset++] = *state->ptr++;
1029 state->buffer[state->offset++] = *state->ptr;
1030 break;
1031
1032 case '/': /* yeah, well */
1033 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1034 case '+': case ',': case ';': case '=': /* sub-delims */
1035 case '-': case '.': case '_': case '~': /* unreserved */
1036 case ':': case '@': /* pchar */
1037 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1038 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1039 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1040 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1041 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1042 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1043 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1044 case 'v': case 'w': case 'x': case 'y': case 'z':
1045 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1046 case '7': case '8': case '9':
1047 /* allowed */
1048 state->buffer[state->offset++] = *state->ptr;
1049 break;
1050
1051 default:
1052 if (!(mb = parse_mb(state, PARSE_PATH, state->ptr, state->end, tmp, 0))) {
1053 return NULL;
1054 }
1055 state->ptr += mb - 1;
1056 }
1057 } while (++state->ptr < state->end);
1058
1059 done:
1060 /* did we have any path component ? */
1061 if (tmp != state->ptr) {
1062 state->buffer[state->offset++] = 0;
1063 } else {
1064 state->url.path = NULL;
1065 }
1066 return state->ptr;
1067 }
1068
1069 static const char *parse_query(struct parse_state *state)
1070 {
1071 size_t mb;
1072 const char *tmp = state->ptr + !!*state->ptr;
1073 TSRMLS_FETCH_FROM_CTX(state->ts);
1074
1075 /* is there actually a query to parse? */
1076 if (*state->ptr != '?') {
1077 return state->ptr;
1078 }
1079
1080 /* skip initial '?' */
1081 tmp = ++state->ptr;
1082 state->url.query = &state->buffer[state->offset];
1083
1084 do {
1085 switch (*state->ptr) {
1086 case '#':
1087 goto done;
1088
1089 case '%':
1090 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1091 php_error_docref(NULL TSRMLS_CC, E_WARNING,
1092 "Failed to parse query; invalid percent encoding at pos %u in '%s'",
1093 (unsigned) (state->ptr - tmp), tmp);
1094 return NULL;
1095 }
1096 state->buffer[state->offset++] = *state->ptr++;
1097 state->buffer[state->offset++] = *state->ptr++;
1098 state->buffer[state->offset++] = *state->ptr;
1099 break;
1100
1101 case ']':
1102 case '[':
1103 if (state->flags & PHP_HTTP_URL_PARSE_TOPCT) {
1104 state->buffer[state->offset++] = '%';
1105 state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) >> 4];
1106 state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) & 0xf];
1107 break;
1108 }
1109 /* no break */
1110
1111 case '?': case '/': /* yeah, well */
1112 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1113 case '+': case ',': case ';': case '=': /* sub-delims */
1114 case '-': case '.': case '_': case '~': /* unreserved */
1115 case ':': case '@': /* pchar */
1116 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1117 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1118 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1119 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1120 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1121 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1122 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1123 case 'v': case 'w': case 'x': case 'y': case 'z':
1124 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1125 case '7': case '8': case '9':
1126 /* allowed */
1127 state->buffer[state->offset++] = *state->ptr;
1128 break;
1129
1130 default:
1131 if (!(mb = parse_mb(state, PARSE_QUERY, state->ptr, state->end, tmp, 0))) {
1132 return NULL;
1133 }
1134 state->ptr += mb - 1;
1135 }
1136 } while (++state->ptr < state->end);
1137
1138 done:
1139 state->buffer[state->offset++] = 0;
1140 return state->ptr;
1141 }
1142
1143 static const char *parse_fragment(struct parse_state *state)
1144 {
1145 size_t mb;
1146 const char *tmp;
1147 TSRMLS_FETCH_FROM_CTX(state->ts);
1148
1149 /* is there actually a fragment to parse? */
1150 if (*state->ptr != '#') {
1151 return state->ptr;
1152 }
1153
1154 /* skip initial '#' */
1155 tmp = ++state->ptr;
1156 state->url.fragment = &state->buffer[state->offset];
1157
1158 do {
1159 switch (*state->ptr) {
1160 case '%':
1161 if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
1162 php_error_docref(NULL TSRMLS_CC, E_WARNING,
1163 "Failed to parse fragment; invalid percent encoding at pos %u in '%s'",
1164 (unsigned) (state->ptr - tmp), tmp);
1165 return NULL;
1166 }
1167 state->buffer[state->offset++] = *state->ptr++;
1168 state->buffer[state->offset++] = *state->ptr++;
1169 state->buffer[state->offset++] = *state->ptr;
1170 break;
1171
1172 case '?': case '/':
1173 case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
1174 case '+': case ',': case ';': case '=': /* sub-delims */
1175 case '-': case '.': case '_': case '~': /* unreserved */
1176 case ':': case '@': /* pchar */
1177 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1178 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1179 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1180 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1181 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1182 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1183 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1184 case 'v': case 'w': case 'x': case 'y': case 'z':
1185 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1186 case '7': case '8': case '9':
1187 /* allowed */
1188 state->buffer[state->offset++] = *state->ptr;
1189 break;
1190
1191 default:
1192 if (!(mb = parse_mb(state, PARSE_FRAGMENT, state->ptr, state->end, tmp, 0))) {
1193 return NULL;
1194 }
1195 state->ptr += mb - 1;
1196 }
1197 } while (++state->ptr < state->end);
1198
1199 state->buffer[state->offset++] = 0;
1200 return state->ptr;
1201 }
1202
1203 static const char *parse_hier(struct parse_state *state)
1204 {
1205 if (*state->ptr == '/') {
1206 if (state->end - state->ptr > 1) {
1207 if (*(state->ptr + 1) == '/') {
1208 state->ptr += 2;
1209 if (!(state->ptr = parse_authority(state))) {
1210 return NULL;
1211 }
1212 }
1213 }
1214 }
1215 return parse_path(state);
1216 }
1217
1218 static const char *parse_scheme(struct parse_state *state)
1219 {
1220 size_t mb;
1221 const char *tmp = state->ptr;
1222
1223 do {
1224 switch (*state->ptr) {
1225 case ':':
1226 /* scheme delimiter */
1227 state->url.scheme = &state->buffer[0];
1228 state->buffer[state->offset++] = 0;
1229 return ++state->ptr;
1230
1231 case '0': case '1': case '2': case '3': case '4': case '5': case '6':
1232 case '7': case '8': case '9':
1233 case '+': case '-': case '.':
1234 if (state->ptr == tmp) {
1235 return tmp;
1236 }
1237 /* no break */
1238 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
1239 case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
1240 case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
1241 case 'V': case 'W': case 'X': case 'Y': case 'Z':
1242 case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
1243 case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
1244 case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
1245 case 'v': case 'w': case 'x': case 'y': case 'z':
1246 /* scheme part */
1247 state->buffer[state->offset++] = *state->ptr;
1248 break;
1249
1250 default:
1251 if (!(mb = parse_mb(state, PARSE_SCHEME, state->ptr, state->end, tmp, 1))) {
1252 /* soft fail; parse path next */
1253 return tmp;
1254 }
1255 state->ptr += mb - 1;
1256 }
1257 } while (++state->ptr != state->end);
1258
1259 return state->ptr = tmp;
1260 }
1261
1262 php_http_url_t *php_http_url_parse(const char *str, size_t len, unsigned flags TSRMLS_DC)
1263 {
1264 size_t maxlen = 3 * len;
1265 struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
1266
1267 state->end = str + len;
1268 state->ptr = str;
1269 state->flags = flags;
1270 state->maxlen = maxlen;
1271 TSRMLS_SET_CTX(state->ts);
1272
1273 if (!parse_scheme(state)) {
1274 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL scheme: '%s'", state->ptr);
1275 efree(state);
1276 return NULL;
1277 }
1278
1279 if (!parse_hier(state)) {
1280 efree(state);
1281 return NULL;
1282 }
1283
1284 if (!parse_query(state)) {
1285 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL query: '%s'", state->ptr);
1286 efree(state);
1287 return NULL;
1288 }
1289
1290 if (!parse_fragment(state)) {
1291 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL fragment: '%s'", state->ptr);
1292 efree(state);
1293 return NULL;
1294 }
1295
1296 return (php_http_url_t *) state;
1297 }
1298
1299 php_http_url_t *php_http_url_parse_authority(const char *str, size_t len, unsigned flags TSRMLS_DC)
1300 {
1301 size_t maxlen = 3 * len;
1302 struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
1303
1304 state->end = str + len;
1305 state->ptr = str;
1306 state->flags = flags;
1307 state->maxlen = maxlen;
1308 TSRMLS_SET_CTX(state->ts);
1309
1310 if (!(state->ptr = parse_authority(state))) {
1311 efree(state);
1312 return NULL;
1313 }
1314
1315 if (state->ptr != state->end) {
1316 php_error_docref(NULL TSRMLS_CC, E_WARNING,
1317 "Failed to parse URL authority, unexpected character at pos %u in '%s'",
1318 (unsigned) (state->ptr - str), str);
1319 efree(state);
1320 return NULL;
1321 }
1322
1323 return (php_http_url_t *) state;
1324 }
1325
1326 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl___construct, 0, 0, 0)
1327 ZEND_ARG_INFO(0, old_url)
1328 ZEND_ARG_INFO(0, new_url)
1329 ZEND_ARG_INFO(0, flags)
1330 ZEND_END_ARG_INFO();
1331 PHP_METHOD(HttpUrl, __construct)
1332 {
1333 zval *new_url = NULL, *old_url = NULL;
1334 long flags = PHP_HTTP_URL_FROM_ENV;
1335 zend_error_handling zeh;
1336
1337 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z!z!l", &old_url, &new_url, &flags), invalid_arg, return);
1338
1339 zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
1340 {
1341 php_http_url_t *res_purl, *new_purl = NULL, *old_purl = NULL;
1342
1343 if (new_url) {
1344 new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
1345 if (!new_purl) {
1346 zend_restore_error_handling(&zeh TSRMLS_CC);
1347 return;
1348 }
1349 }
1350 if (old_url) {
1351 old_purl = php_http_url_from_zval(old_url, flags TSRMLS_CC);
1352 if (!old_purl) {
1353 if (new_purl) {
1354 php_http_url_free(&new_purl);
1355 }
1356 zend_restore_error_handling(&zeh TSRMLS_CC);
1357 return;
1358 }
1359 }
1360
1361 res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
1362 php_http_url_to_struct(res_purl, getThis() TSRMLS_CC);
1363
1364 php_http_url_free(&res_purl);
1365 if (old_purl) {
1366 php_http_url_free(&old_purl);
1367 }
1368 if (new_purl) {
1369 php_http_url_free(&new_purl);
1370 }
1371 }
1372 zend_restore_error_handling(&zeh TSRMLS_CC);
1373 }
1374
1375 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_mod, 0, 0, 1)
1376 ZEND_ARG_INFO(0, more_url_parts)
1377 ZEND_ARG_INFO(0, flags)
1378 ZEND_END_ARG_INFO();
1379 PHP_METHOD(HttpUrl, mod)
1380 {
1381 zval *new_url = NULL;
1382 long flags = PHP_HTTP_URL_JOIN_PATH | PHP_HTTP_URL_JOIN_QUERY;
1383 zend_error_handling zeh;
1384
1385 php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z!|l", &new_url, &flags), invalid_arg, return);
1386
1387 zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
1388 {
1389 php_http_url_t *new_purl = NULL, *old_purl = NULL;
1390
1391 if (new_url) {
1392 new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
1393 if (!new_purl) {
1394 zend_restore_error_handling(&zeh TSRMLS_CC);
1395 return;
1396 }
1397 }
1398
1399 if ((old_purl = php_http_url_from_struct(HASH_OF(getThis())))) {
1400 php_http_url_t *res_purl;
1401
1402 ZVAL_OBJVAL(return_value, zend_objects_clone_obj(getThis() TSRMLS_CC), 0);
1403
1404 res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
1405 php_http_url_to_struct(res_purl, return_value TSRMLS_CC);
1406
1407 php_http_url_free(&res_purl);
1408 php_http_url_free(&old_purl);
1409 }
1410 if (new_purl) {
1411 php_http_url_free(&new_purl);
1412 }
1413 }
1414 zend_restore_error_handling(&zeh TSRMLS_CC);
1415 }
1416
1417 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toString, 0, 0, 0)
1418 ZEND_END_ARG_INFO();
1419 PHP_METHOD(HttpUrl, toString)
1420 {
1421 if (SUCCESS == zend_parse_parameters_none()) {
1422 php_http_url_t *purl;
1423
1424 if ((purl = php_http_url_from_struct(HASH_OF(getThis())))) {
1425 char *str;
1426 size_t len;
1427
1428 php_http_url_to_string(purl, &str, &len, 0);
1429 php_http_url_free(&purl);
1430 RETURN_STRINGL(str, len, 0);
1431 }
1432 }
1433 RETURN_EMPTY_STRING();
1434 }
1435
1436 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toArray, 0, 0, 0)
1437 ZEND_END_ARG_INFO();
1438 PHP_METHOD(HttpUrl, toArray)
1439 {
1440 php_http_url_t *purl;
1441
1442 if (SUCCESS != zend_parse_parameters_none()) {
1443 return;
1444 }
1445
1446 /* strip any non-URL properties */
1447 purl = php_http_url_from_struct(HASH_OF(getThis()));
1448 php_http_url_to_struct(purl, return_value TSRMLS_CC);
1449 php_http_url_free(&purl);
1450 }
1451
1452 static zend_function_entry php_http_url_methods[] = {
1453 PHP_ME(HttpUrl, __construct, ai_HttpUrl___construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
1454 PHP_ME(HttpUrl, mod, ai_HttpUrl_mod, ZEND_ACC_PUBLIC)
1455 PHP_ME(HttpUrl, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
1456 ZEND_MALIAS(HttpUrl, __toString, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
1457 PHP_ME(HttpUrl, toArray, ai_HttpUrl_toArray, ZEND_ACC_PUBLIC)
1458 EMPTY_FUNCTION_ENTRY
1459 };
1460
1461 zend_class_entry *php_http_url_class_entry;
1462
1463 PHP_MINIT_FUNCTION(http_url)
1464 {
1465 zend_class_entry ce = {0};
1466
1467 INIT_NS_CLASS_ENTRY(ce, "http", "Url", php_http_url_methods);
1468 php_http_url_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
1469
1470 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("scheme"), ZEND_ACC_PUBLIC TSRMLS_CC);
1471 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("user"), ZEND_ACC_PUBLIC TSRMLS_CC);
1472 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("pass"), ZEND_ACC_PUBLIC TSRMLS_CC);
1473 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("host"), ZEND_ACC_PUBLIC TSRMLS_CC);
1474 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("port"), ZEND_ACC_PUBLIC TSRMLS_CC);
1475 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("path"), ZEND_ACC_PUBLIC TSRMLS_CC);
1476 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("query"), ZEND_ACC_PUBLIC TSRMLS_CC);
1477 zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("fragment"), ZEND_ACC_PUBLIC TSRMLS_CC);
1478
1479 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("REPLACE"), PHP_HTTP_URL_REPLACE TSRMLS_CC);
1480 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_PATH"), PHP_HTTP_URL_JOIN_PATH TSRMLS_CC);
1481 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_QUERY"), PHP_HTTP_URL_JOIN_QUERY TSRMLS_CC);
1482 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_USER"), PHP_HTTP_URL_STRIP_USER TSRMLS_CC);
1483 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PASS"), PHP_HTTP_URL_STRIP_PASS TSRMLS_CC);
1484 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_AUTH"), PHP_HTTP_URL_STRIP_AUTH TSRMLS_CC);
1485 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PORT"), PHP_HTTP_URL_STRIP_PORT TSRMLS_CC);
1486 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PATH"), PHP_HTTP_URL_STRIP_PATH TSRMLS_CC);
1487 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_QUERY"), PHP_HTTP_URL_STRIP_QUERY TSRMLS_CC);
1488 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_FRAGMENT"), PHP_HTTP_URL_STRIP_FRAGMENT TSRMLS_CC);
1489 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_ALL"), PHP_HTTP_URL_STRIP_ALL TSRMLS_CC);
1490 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("FROM_ENV"), PHP_HTTP_URL_FROM_ENV TSRMLS_CC);
1491 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("SANITIZE_PATH"), PHP_HTTP_URL_SANITIZE_PATH TSRMLS_CC);
1492
1493 #ifdef PHP_HTTP_HAVE_WCHAR
1494 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBLOC"), PHP_HTTP_URL_PARSE_MBLOC TSRMLS_CC);
1495 #endif
1496 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBUTF8"), PHP_HTTP_URL_PARSE_MBUTF8 TSRMLS_CC);
1497 #ifdef PHP_HTTP_HAVE_IDN
1498 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOIDN"), PHP_HTTP_URL_PARSE_TOIDN TSRMLS_CC);
1499 #endif
1500 zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOPCT"), PHP_HTTP_URL_PARSE_TOPCT TSRMLS_CC);
1501
1502 return SUCCESS;
1503 }
1504
1505
1506 /*
1507 * Local variables:
1508 * tab-width: 4
1509 * c-basic-offset: 4
1510 * End:
1511 * vim600: noet sw=4 ts=4 fdm=marker
1512 * vim<600: noet sw=4 ts=4
1513 */
1514
Extended HTTP Support