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