-/*
- +--------------------------------------------------------------------+
- | PECL :: http |
- +--------------------------------------------------------------------+
- | Redistribution and use in source and binary forms, with or without |
- | modification, are permitted provided that the conditions mentioned |
- | in the accompanying LICENSE file are met. |
- +--------------------------------------------------------------------+
- | Copyright (c) 2004-2014, Michael Wallner <mike@php.net> |
- +--------------------------------------------------------------------+
-*/
-
-#include "php_http_api.h"
-
-#if PHP_HTTP_HAVE_IDN2
-# include <idn2.h>
-#elif PHP_HTTP_HAVE_IDN
-# include <idna.h>
-#endif
-
-#ifdef PHP_HTTP_HAVE_WCHAR
-# include <wchar.h>
-# include <wctype.h>
-#endif
-
-#ifdef HAVE_ARPA_INET_H
-# include <arpa/inet.h>
-#endif
-
-#include "php_http_utf8.h"
-
-static inline char *localhostname(void)
-{
- char hostname[1024] = {0};
-
-#ifdef PHP_WIN32
- if (SUCCESS == gethostname(hostname, lenof(hostname))) {
- return estrdup(hostname);
- }
-#elif defined(HAVE_GETHOSTNAME)
- if (SUCCESS == gethostname(hostname, lenof(hostname))) {
-# if defined(HAVE_GETDOMAINNAME)
- size_t hlen = strlen(hostname);
- if (hlen <= lenof(hostname) - lenof("(none)")) {
- hostname[hlen++] = '.';
- if (SUCCESS == getdomainname(&hostname[hlen], lenof(hostname) - hlen)) {
- if (!strcmp(&hostname[hlen], "(none)")) {
- hostname[hlen - 1] = '\0';
- }
- return estrdup(hostname);
- }
- }
-# endif
- if (strcmp(hostname, "(none)")) {
- return estrdup(hostname);
- }
- }
-#endif
- return estrndup("localhost", lenof("localhost"));
-}
-
-#define url(buf) ((php_http_url_t *) (buf).data)
-
-static php_http_url_t *php_http_url_from_env(TSRMLS_D)
-{
- zval *https, *zhost, *zport;
- long port;
- php_http_buffer_t buf;
-
- php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
- php_http_buffer_account(&buf, sizeof(php_http_url_t));
- memset(buf.data, 0, buf.used);
-
- /* scheme */
- url(buf)->scheme = &buf.data[buf.used];
- https = php_http_env_get_server_var(ZEND_STRL("HTTPS"), 1 TSRMLS_CC);
- if (https && !strcasecmp(Z_STRVAL_P(https), "ON")) {
- php_http_buffer_append(&buf, "https", sizeof("https"));
- } else {
- php_http_buffer_append(&buf, "http", sizeof("http"));
- }
-
- /* host */
- url(buf)->host = &buf.data[buf.used];
- if ((((zhost = php_http_env_get_server_var(ZEND_STRL("HTTP_HOST"), 1 TSRMLS_CC)) ||
- (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_NAME"), 1 TSRMLS_CC)) ||
- (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_ADDR"), 1 TSRMLS_CC)))) && Z_STRLEN_P(zhost)) {
- size_t stop_at = strspn(Z_STRVAL_P(zhost), "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-.");
-
- php_http_buffer_append(&buf, Z_STRVAL_P(zhost), stop_at);
- php_http_buffer_append(&buf, "", 1);
- } else {
- char *host_str = localhostname();
-
- php_http_buffer_append(&buf, host_str, strlen(host_str) + 1);
- efree(host_str);
- }
-
- /* port */
- zport = php_http_env_get_server_var(ZEND_STRL("SERVER_PORT"), 1 TSRMLS_CC);
- if (zport && IS_LONG == is_numeric_string(Z_STRVAL_P(zport), Z_STRLEN_P(zport), &port, NULL, 0)) {
- url(buf)->port = port;
- }
-
- /* path */
- if (SG(request_info).request_uri && SG(request_info).request_uri[0]) {
- const char *q = strchr(SG(request_info).request_uri, '?');
-
- url(buf)->path = &buf.data[buf.used];
-
- if (q) {
- php_http_buffer_append(&buf, SG(request_info).request_uri, q - SG(request_info).request_uri);
- php_http_buffer_append(&buf, "", 1);
- } else {
- php_http_buffer_append(&buf, SG(request_info).request_uri, strlen(SG(request_info).request_uri) + 1);
- }
- }
-
- /* query */
- if (SG(request_info).query_string && SG(request_info).query_string[0]) {
- url(buf)->query = &buf.data[buf.used];
- php_http_buffer_append(&buf, SG(request_info).query_string, strlen(SG(request_info).query_string) + 1);
- }
-
- return url(buf);
-}
-
-#define url_isset(u,n) \
- ((u)&&(u)->n)
-#define url_append(buf, append) do { \
- char *_ptr = (buf)->data; \
- php_http_url_t *_url = (php_http_url_t *) _ptr, _mem = *_url; \
- append; \
- /* relocate */ \
- if (_ptr != (buf)->data) { \
- ptrdiff_t diff = (buf)->data - _ptr; \
- _url = (php_http_url_t *) (buf)->data; \
- if (_mem.scheme) _url->scheme += diff; \
- if (_mem.user) _url->user += diff; \
- if (_mem.pass) _url->pass += diff; \
- if (_mem.host) _url->host += diff; \
- if (_mem.path) _url->path += diff; \
- if (_mem.query) _url->query += diff; \
- if (_mem.fragment) _url->fragment += diff; \
- } \
-} while (0)
-#define url_copy(n) do { \
- if (url_isset(new_url, n)) { \
- url(buf)->n = &buf.data[buf.used]; \
- url_append(&buf, php_http_buffer_append(&buf, new_url->n, strlen(new_url->n) + 1)); \
- } else if (url_isset(old_url, n)) { \
- url(buf)->n = &buf.data[buf.used]; \
- url_append(&buf, php_http_buffer_append(&buf, old_url->n, strlen(old_url->n) + 1)); \
- } \
-} while (0)
-
-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)
-{
- php_http_url_t *tmp_url = NULL;
- php_http_buffer_t buf;
-
- php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
- php_http_buffer_account(&buf, sizeof(php_http_url_t));
- memset(buf.data, 0, buf.used);
-
- /* set from env if requested */
- if (flags & PHP_HTTP_URL_FROM_ENV) {
- php_http_url_t *env_url = php_http_url_from_env(TSRMLS_C);
-
- old_url = tmp_url = php_http_url_mod(env_url, old_url, flags ^ PHP_HTTP_URL_FROM_ENV TSRMLS_CC);
- php_http_url_free(&env_url);
- }
-
- url_copy(scheme);
-
- if (!(flags & PHP_HTTP_URL_STRIP_USER)) {
- url_copy(user);
- }
-
- if (!(flags & PHP_HTTP_URL_STRIP_PASS)) {
- url_copy(pass);
- }
-
- url_copy(host);
-
- if (!(flags & PHP_HTTP_URL_STRIP_PORT)) {
- url(buf)->port = url_isset(new_url, port) ? new_url->port : ((old_url) ? old_url->port : 0);
- }
-
- if (!(flags & PHP_HTTP_URL_STRIP_PATH)) {
- if ((flags & PHP_HTTP_URL_JOIN_PATH) && url_isset(old_url, path) && url_isset(new_url, path) && *new_url->path != '/') {
- size_t old_path_len = strlen(old_url->path), new_path_len = strlen(new_url->path);
- char *path = ecalloc(1, old_path_len + new_path_len + 1 + 1);
-
- strcat(path, old_url->path);
- if (path[old_path_len - 1] != '/') {
- php_dirname(path, old_path_len);
- strcat(path, "/");
- }
- strcat(path, new_url->path);
-
- url(buf)->path = &buf.data[buf.used];
- if (path[0] != '/') {
- url_append(&buf, php_http_buffer_append(&buf, "/", 1));
- }
- url_append(&buf, php_http_buffer_append(&buf, path, strlen(path) + 1));
- efree(path);
- } else {
- const char *path = NULL;
-
- if (url_isset(new_url, path)) {
- path = new_url->path;
- } else if (url_isset(old_url, path)) {
- path = old_url->path;
- }
-
- if (path) {
- url(buf)->path = &buf.data[buf.used];
-
- url_append(&buf, php_http_buffer_append(&buf, path, strlen(path) + 1));
- }
-
-
- }
- }
-
- if (!(flags & PHP_HTTP_URL_STRIP_QUERY)) {
- if ((flags & PHP_HTTP_URL_JOIN_QUERY) && url_isset(new_url, query) && url_isset(old_url, query)) {
- zval qarr, qstr;
-
- INIT_PZVAL(&qstr);
- INIT_PZVAL(&qarr);
- array_init(&qarr);
-
- ZVAL_STRING(&qstr, old_url->query, 0);
- php_http_querystring_update(&qarr, &qstr, NULL TSRMLS_CC);
- ZVAL_STRING(&qstr, new_url->query, 0);
- php_http_querystring_update(&qarr, &qstr, NULL TSRMLS_CC);
-
- ZVAL_NULL(&qstr);
- php_http_querystring_update(&qarr, NULL, &qstr TSRMLS_CC);
-
- url(buf)->query = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL(qstr), Z_STRLEN(qstr) + 1));
-
- zval_dtor(&qstr);
- zval_dtor(&qarr);
- } else {
- url_copy(query);
- }
- }
-
- if (!(flags & PHP_HTTP_URL_STRIP_FRAGMENT)) {
- url_copy(fragment);
- }
-
- /* done with copy & combine & strip */
-
- if (flags & PHP_HTTP_URL_FROM_ENV) {
- /* free old_url we tainted above */
- php_http_url_free(&tmp_url);
- }
-
- /* replace directory references if path is not a single slash */
- if ((flags & PHP_HTTP_URL_SANITIZE_PATH)
- && url(buf)->path[0] && url(buf)->path[1]) {
- char *ptr, *end = url(buf)->path + strlen(url(buf)->path) + 1;
-
- for (ptr = strchr(url(buf)->path, '/'); ptr; ptr = strchr(ptr, '/')) {
- switch (ptr[1]) {
- case '/':
- memmove(&ptr[1], &ptr[2], end - &ptr[2]);
- break;
-
- case '.':
- switch (ptr[2]) {
- case '\0':
- ptr[1] = '\0';
- break;
-
- case '/':
- memmove(&ptr[1], &ptr[3], end - &ptr[3]);
- break;
-
- case '.':
- if (ptr[3] == '/') {
- char *pos = &ptr[4];
- while (ptr != url(buf)->path) {
- if (*--ptr == '/') {
- break;
- }
- }
- memmove(&ptr[1], pos, end - pos);
- break;
- } else if (!ptr[3]) {
- /* .. at the end */
- ptr[1] = '\0';
- }
- /* no break */
-
- default:
- /* something else */
- ++ptr;
- break;
- }
- break;
-
- default:
- ++ptr;
- break;
- }
- }
- }
- /* unset default ports */
- if (url(buf)->port) {
- if ( ((url(buf)->port == 80) && url(buf)->scheme && !strcmp(url(buf)->scheme, "http"))
- || ((url(buf)->port ==443) && url(buf)->scheme && !strcmp(url(buf)->scheme, "https"))
- ) {
- url(buf)->port = 0;
- }
- }
-
- return url(buf);
-}
-
-char *php_http_url_to_string(const php_http_url_t *url, char **url_str, size_t *url_len, zend_bool persistent)
-{
- php_http_buffer_t buf;
-
- php_http_buffer_init_ex(&buf, PHP_HTTP_BUFFER_DEFAULT_SIZE, persistent ?
- PHP_HTTP_BUFFER_INIT_PERSISTENT : 0);
-
- if (url->scheme && *url->scheme) {
- php_http_buffer_appendl(&buf, url->scheme);
- php_http_buffer_appends(&buf, "://");
- } else if ((url->user && *url->user) || (url->host && *url->host)) {
- php_http_buffer_appends(&buf, "//");
- }
-
- if (url->user && *url->user) {
- php_http_buffer_appendl(&buf, url->user);
- if (url->pass && *url->pass) {
- php_http_buffer_appends(&buf, ":");
- php_http_buffer_appendl(&buf, url->pass);
- }
- php_http_buffer_appends(&buf, "@");
- }
-
- if (url->host && *url->host) {
- php_http_buffer_appendl(&buf, url->host);
- if (url->port) {
- php_http_buffer_appendf(&buf, ":%hu", url->port);
- }
- }
-
- if (url->path && *url->path) {
- if (*url->path != '/') {
- php_http_buffer_appends(&buf, "/");
- }
- php_http_buffer_appendl(&buf, url->path);
- } else if (buf.used) {
- php_http_buffer_appends(&buf, "/");
- }
-
- if (url->query && *url->query) {
- php_http_buffer_appends(&buf, "?");
- php_http_buffer_appendl(&buf, url->query);
- }
-
- if (url->fragment && *url->fragment) {
- php_http_buffer_appends(&buf, "#");
- php_http_buffer_appendl(&buf, url->fragment);
- }
-
- php_http_buffer_shrink(&buf);
- php_http_buffer_fix(&buf);
-
- if (url_len) {
- *url_len = buf.used;
- }
-
- if (url_str) {
- *url_str = buf.data;
- }
-
- return buf.data;
-}
-
-char *php_http_url_authority_to_string(const php_http_url_t *url, char **url_str, size_t *url_len)
-{
- php_http_buffer_t buf;
-
- php_http_buffer_init(&buf);
-
- if (url->user && *url->user) {
- php_http_buffer_appendl(&buf, url->user);
- if (url->pass && *url->pass) {
- php_http_buffer_appends(&buf, ":");
- php_http_buffer_appendl(&buf, url->pass);
- }
- php_http_buffer_appends(&buf, "@");
- }
-
- if (url->host && *url->host) {
- php_http_buffer_appendl(&buf, url->host);
- if (url->port) {
- php_http_buffer_appendf(&buf, ":%hu", url->port);
- }
- }
-
- php_http_buffer_shrink(&buf);
- php_http_buffer_fix(&buf);
-
- if (url_len) {
- *url_len = buf.used;
- }
-
- if (url_str) {
- *url_str = buf.data;
- }
-
- return buf.data;
-}
-
-php_http_url_t *php_http_url_from_zval(zval *value, unsigned flags TSRMLS_DC)
-{
- zval *zcpy;
- php_http_url_t *purl;
-
- switch (Z_TYPE_P(value)) {
- case IS_ARRAY:
- case IS_OBJECT:
- purl = php_http_url_from_struct(HASH_OF(value));
- break;
-
- default:
- zcpy = php_http_ztyp(IS_STRING, value);
- purl = php_http_url_parse(Z_STRVAL_P(zcpy), Z_STRLEN_P(zcpy), flags TSRMLS_CC);
- zval_ptr_dtor(&zcpy);
- }
-
- return purl;
-}
-
-php_http_url_t *php_http_url_from_struct(HashTable *ht)
-{
- zval **e;
- php_http_buffer_t buf;
-
- php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
- php_http_buffer_account(&buf, sizeof(php_http_url_t));
- memset(buf.data, 0, buf.used);
-
- if (SUCCESS == zend_hash_find(ht, "scheme", sizeof("scheme"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->scheme = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "user", sizeof("user"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->user = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "pass", sizeof("pass"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->pass = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "host", sizeof("host"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->host = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "port", sizeof("port"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_LONG, *e);
- url(buf)->port = (unsigned short) Z_LVAL_P(cpy);
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "path", sizeof("path"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->path = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "query", sizeof("query"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->query = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
- if (SUCCESS == zend_hash_find(ht, "fragment", sizeof("fragment"), (void *) &e)) {
- zval *cpy = php_http_ztyp(IS_STRING, *e);
- url(buf)->fragment = &buf.data[buf.used];
- url_append(&buf, php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1));
- zval_ptr_dtor(&cpy);
- }
-
- return url(buf);
-}
-
-HashTable *php_http_url_to_struct(const php_http_url_t *url, zval *strct TSRMLS_DC)
-{
- zval arr;
-
- if (strct) {
- switch (Z_TYPE_P(strct)) {
- default:
- zval_dtor(strct);
- array_init(strct);
- /* no break */
- case IS_ARRAY:
- case IS_OBJECT:
- INIT_PZVAL_ARRAY((&arr), HASH_OF(strct));
- break;
- }
- } else {
- INIT_PZVAL(&arr);
- array_init(&arr);
- }
-
- if (url) {
- if (url->scheme) {
- add_assoc_string(&arr, "scheme", url->scheme, 1);
- }
- if (url->user) {
- add_assoc_string(&arr, "user", url->user, 1);
- }
- if (url->pass) {
- add_assoc_string(&arr, "pass", url->pass, 1);
- }
- if (url->host) {
- add_assoc_string(&arr, "host", url->host, 1);
- }
- if (url->port) {
- add_assoc_long(&arr, "port", (long) url->port);
- }
- if (url->path) {
- add_assoc_string(&arr, "path", url->path, 1);
- }
- if (url->query) {
- add_assoc_string(&arr, "query", url->query, 1);
- }
- if (url->fragment) {
- add_assoc_string(&arr, "fragment", url->fragment, 1);
- }
- }
-
- return Z_ARRVAL(arr);
-}
-
-ZEND_RESULT_CODE php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len TSRMLS_DC)
-{
- const char *arg_sep_str = "&";
- size_t arg_sep_len = 1;
- php_http_buffer_t *qstr = php_http_buffer_new();
-
- php_http_url_argsep(&arg_sep_str, &arg_sep_len TSRMLS_CC);
-
- 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)) {
- php_http_buffer_free(&qstr);
- return FAILURE;
- }
-
- php_http_buffer_data(qstr, encoded_str, encoded_len);
- php_http_buffer_free(&qstr);
-
- return SUCCESS;
-}
-
-ZEND_RESULT_CODE php_http_url_encode_hash_ex(HashTable *hash, php_http_buffer_t *qstr, const char *arg_sep_str, size_t arg_sep_len, const char *val_sep_str, size_t val_sep_len, const char *pre_encoded_str, size_t pre_encoded_len TSRMLS_DC)
-{
- if (pre_encoded_len && pre_encoded_str) {
- php_http_buffer_append(qstr, pre_encoded_str, pre_encoded_len);
- }
-
- 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)) {
- return FAILURE;
- }
-
- return SUCCESS;
-}
-
-struct parse_state {
- php_http_url_t url;
-#ifdef ZTS
- void ***ts;
-#endif
- const char *ptr;
- const char *end;
- size_t maxlen;
- off_t offset;
- unsigned flags;
- char buffer[1]; /* last member */
-};
-
-void php_http_url_free(php_http_url_t **url)
-{
- if (*url) {
- efree(*url);
- *url = NULL;
- }
-}
-
-php_http_url_t *php_http_url_copy(const php_http_url_t *url, zend_bool persistent)
-{
- php_http_url_t *cpy;
- const char *end = NULL, *url_ptr = (const char *) url;
- char *cpy_ptr;
-
- end = MAX(url->scheme, end);
- end = MAX(url->pass, end);
- end = MAX(url->user, end);
- end = MAX(url->host, end);
- end = MAX(url->path, end);
- end = MAX(url->query, end);
- end = MAX(url->fragment, end);
-
- if (end) {
- end += strlen(end) + 1;
- cpy_ptr = pecalloc(1, end - url_ptr, persistent);
- cpy = (php_http_url_t *) cpy_ptr;
-
- memcpy(cpy_ptr + sizeof(*cpy), url_ptr + sizeof(*url), end - url_ptr - sizeof(*url));
-
- cpy->scheme = url->scheme ? cpy_ptr + (url->scheme - url_ptr) : NULL;
- cpy->pass = url->pass ? cpy_ptr + (url->pass - url_ptr) : NULL;
- cpy->user = url->user ? cpy_ptr + (url->user - url_ptr) : NULL;
- cpy->host = url->host ? cpy_ptr + (url->host - url_ptr) : NULL;
- cpy->path = url->path ? cpy_ptr + (url->path - url_ptr) : NULL;
- cpy->query = url->query ? cpy_ptr + (url->query - url_ptr) : NULL;
- cpy->fragment = url->fragment ? cpy_ptr + (url->fragment - url_ptr) : NULL;
- } else {
- cpy = ecalloc(1, sizeof(*url));
- }
-
- cpy->port = url->port;
-
- return cpy;
-}
-
-static size_t parse_mb_utf8(unsigned *wc, const char *ptr, const char *end)
-{
- unsigned wchar;
- size_t consumed = utf8towc(&wchar, (const unsigned char *) ptr, end - ptr);
-
- if (!consumed || consumed == (size_t) -1) {
- return 0;
- }
-
- if (wc) {
- *wc = wchar;
- }
- return consumed;
-}
-
-#ifdef PHP_HTTP_HAVE_WCHAR
-static size_t parse_mb_loc(unsigned *wc, const char *ptr, const char *end)
-{
- wchar_t wchar;
- size_t consumed = 0;
-#if defined(HAVE_MBRTOWC)
- mbstate_t ps;
-
- memset(&ps, 0, sizeof(ps));
- consumed = mbrtowc(&wchar, ptr, end - ptr, &ps);
-#elif defined(HAVE_MBTOWC)
- consumed = mbtowc(&wchar, ptr, end - ptr);
-#endif
-
- if (!consumed || consumed == (size_t) -1) {
- return 0;
- }
-
- if (wc) {
- *wc = wchar;
- }
- return consumed;
-}
-#endif
-
-typedef enum parse_mb_what {
- PARSE_SCHEME,
- PARSE_USERINFO,
- PARSE_HOSTINFO,
- PARSE_PATH,
- PARSE_QUERY,
- PARSE_FRAGMENT
-} parse_mb_what_t;
-
-static const char * const parse_what[] = {
- "scheme",
- "userinfo",
- "hostinfo",
- "path",
- "query",
- "fragment"
-};
-
-static const char parse_xdigits[] = "0123456789ABCDEF";
-
-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)
-{
- unsigned wchar;
- size_t consumed = 0;
-
- if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- consumed = parse_mb_utf8(&wchar, ptr, end);
- }
-#ifdef PHP_HTTP_HAVE_WCHAR
- else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- consumed = parse_mb_loc(&wchar, ptr, end);
- }
-#endif
-
- while (consumed) {
- if (!(state->flags & PHP_HTTP_URL_PARSE_TOPCT) || what == PARSE_HOSTINFO || what == PARSE_SCHEME) {
- if (what == PARSE_HOSTINFO && (state->flags & PHP_HTTP_URL_PARSE_TOIDN)) {
- /* idna */
- } else if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- if (!isualnum(wchar)) {
- break;
- }
-#ifdef PHP_HTTP_HAVE_WCHAR
- } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- if (!iswalnum(wchar)) {
- break;
- }
-#endif
- }
- PHP_HTTP_DUFF(consumed, state->buffer[state->offset++] = *ptr++);
- } else {
- int i = 0;
-
- PHP_HTTP_DUFF(consumed,
- state->buffer[state->offset++] = '%';
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) >> 4];
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) ptr[i]) & 0xf];
- ++i;
- );
- }
-
- return consumed;
- }
-
- if (!silent) {
- TSRMLS_FETCH_FROM_CTX(state->ts);
- if (consumed) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse %s; unexpected multibyte sequence 0x%x at pos %u in '%s'",
- parse_what[what], wchar, (unsigned) (ptr - begin), begin);
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse %s; unexpected byte 0x%02x at pos %u in '%s'",
- parse_what[what], (unsigned char) *ptr, (unsigned) (ptr - begin), begin);
- }
- }
-
- return 0;
-}
-
-static ZEND_RESULT_CODE parse_userinfo(struct parse_state *state, const char *ptr)
-{
- size_t mb;
- const char *password = NULL, *end = state->ptr, *tmp = ptr;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- state->url.user = &state->buffer[state->offset];
-
- do {
- switch (*ptr) {
- case ':':
- if (password) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse password; duplicate ':' at pos %u in '%s'",
- (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- password = ptr + 1;
- state->buffer[state->offset++] = 0;
- state->url.pass = &state->buffer[state->offset];
- break;
-
- case '%':
- if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse userinfo; invalid percent encoding at pos %u in '%s'",
- (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- state->buffer[state->offset++] = *ptr++;
- state->buffer[state->offset++] = *ptr++;
- state->buffer[state->offset++] = *ptr;
- break;
-
- case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
- case '+': case ',': case ';': case '=': /* sub-delims */
- case '-': case '.': case '_': case '~': /* unreserved */
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- /* allowed */
- state->buffer[state->offset++] = *ptr;
- break;
-
- default:
- if (!(mb = parse_mb(state, PARSE_USERINFO, ptr, end, tmp, 0))) {
- return FAILURE;
- }
- ptr += mb - 1;
- }
- } while(++ptr != end);
-
-
- state->buffer[state->offset++] = 0;
-
- return SUCCESS;
-}
-
-#if defined(PHP_WIN32) || defined(HAVE_UIDNA_IDNTOASCII)
-typedef size_t (*parse_mb_func)(unsigned *wc, const char *ptr, const char *end);
-static ZEND_RESULT_CODE to_utf16(parse_mb_func fn, const char *u8, uint16_t **u16, size_t *len TSRMLS_DC)
-{
- size_t offset = 0, u8_len = strlen(u8);
-
- *u16 = ecalloc(4 * sizeof(uint16_t), u8_len + 1);
- *len = 0;
-
- while (offset < u8_len) {
- unsigned wc;
- uint16_t buf[2], *ptr = buf;
- size_t consumed = fn(&wc, &u8[offset], &u8[u8_len]);
-
- if (!consumed) {
- efree(*u16);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse UTF-8 at pos %zu of '%s'", offset, u8);
- return FAILURE;
- } else {
- offset += consumed;
- }
-
- switch (wctoutf16(buf, wc)) {
- case 2:
- (*u16)[(*len)++] = *ptr++;
- /* no break */
- case 1:
- (*u16)[(*len)++] = *ptr++;
- break;
- case 0:
- default:
- efree(*u16);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to convert UTF-32 'U+%X' to UTF-16", wc);
- return FAILURE;
- }
- }
-
- return SUCCESS;
-}
-#endif
-
-#ifndef MAXHOSTNAMELEN
-# define MAXHOSTNAMELEN 256
-#endif
-
-#if PHP_HTTP_HAVE_IDN2
-static ZEND_RESULT_CODE parse_idn2(struct parse_state *state, size_t prev_len)
-{
- char *idn = NULL;
- int rv = -1;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- rv = idn2_lookup_u8((const unsigned char *) state->url.host, (unsigned char **) &idn, IDN2_NFC_INPUT);
- }
-# ifdef PHP_HTTP_HAVE_WCHAR
- else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- rv = idn2_lookup_ul(state->url.host, &idn, 0);
- }
-# endif
- if (rv != IDN2_OK) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN; %s", idn2_strerror(rv));
- return FAILURE;
- } else {
- size_t idnlen = strlen(idn);
- memcpy(state->url.host, idn, idnlen + 1);
- free(idn);
- state->offset += idnlen - prev_len;
- return SUCCESS;
- }
-}
-#elif PHP_HTTP_HAVE_IDN
-static ZEND_RESULT_CODE parse_idn(struct parse_state *state, size_t prev_len)
-{
- char *idn = NULL;
- int rv = -1;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- rv = idna_to_ascii_8z(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
- }
-# ifdef PHP_HTTP_HAVE_WCHAR
- else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- rv = idna_to_ascii_lz(state->url.host, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
- }
-# endif
- if (rv != IDNA_SUCCESS) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN; %s", idna_strerror(rv));
- return FAILURE;
- } else {
- size_t idnlen = strlen(idn);
- memcpy(state->url.host, idn, idnlen + 1);
- free(idn);
- state->offset += idnlen - prev_len;
- return SUCCESS;
- }
-}
-#endif
-
-#ifdef HAVE_UIDNA_IDNTOASCII
-# if HAVE_UNICODE_UIDNA_H
-# include <unicode/uidna.h>
-# else
-typedef uint16_t UChar;
-typedef enum { U_ZERO_ERROR = 0 } UErrorCode;
-int32_t uidna_IDNToASCII(const UChar *src, int32_t srcLength, UChar *dest, int32_t destCapacity, int32_t options, void *parseError, UErrorCode *status);
-# endif
-static ZEND_RESULT_CODE parse_uidn(struct parse_state *state)
-{
- char *host_ptr;
- uint16_t *uhost_str, ahost_str[MAXHOSTNAMELEN], *ahost_ptr;
- size_t uhost_len, ahost_len;
- UErrorCode error = U_ZERO_ERROR;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- if (SUCCESS != to_utf16(parse_mb_utf8, state->url.host, &uhost_str, &uhost_len TSRMLS_CC)) {
- return FAILURE;
- }
-#ifdef PHP_HTTP_HAVE_WCHAR
- } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- if (SUCCESS != to_utf16(parse_mb_loc, state->url.host, &uhost_str, &uhost_len TSRMLS_CC)) {
- return FAILURE;
- }
-#endif
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN; codepage not specified");
- return FAILURE;
- }
-
- ahost_len = uidna_IDNToASCII(uhost_str, uhost_len, ahost_str, MAXHOSTNAMELEN, 3, NULL, &error);
- efree(uhost_str);
-
- if (error != U_ZERO_ERROR) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN; ICU error %d", error);
- return FAILURE;
- }
-
- host_ptr = state->url.host;
- ahost_ptr = ahost_str;
- PHP_HTTP_DUFF(ahost_len, *host_ptr++ = *ahost_ptr++);
-
- *host_ptr = '\0';
- state->offset += host_ptr - state->url.host;
-
- return SUCCESS;
-}
-#endif
-
-#if 0 && defined(PHP_WIN32)
-static ZEND_RESULT_CODE parse_widn(struct parse_state *state)
-{
- char *host_ptr;
- uint16_t *uhost_str, ahost_str[MAXHOSTNAMELEN], *ahost_ptr;
- size_t uhost_len;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
- if (SUCCESS != to_utf16(parse_mb_utf8, state->url.host, &uhost_str, &uhost_len)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN");
- return FAILURE;
- }
-#ifdef PHP_HTTP_HAVE_WCHAR
- } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
- if (SUCCESS != to_utf16(parse_mb_loc, state->url.host, &uhost_str, &uhost_len)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN");
- return FAILURE;
- }
-#endif
- } else {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN");
- return FAILURE;
- }
-
- if (!IdnToAscii(IDN_ALLOW_UNASSIGNED|IDN_USE_STD3_ASCII_RULES, uhost_str, uhost_len, ahost_str, MAXHOSTNAMELEN)) {
- efree(uhost_str);
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse IDN");
- return FAILURE;
- }
-
- efree(uhost_str);
- host_ptr = state->url.host;
- ahost_ptr = ahost_str;
- PHP_HTTP_DUFF(wcslen(ahost_str), *host_ptr++ = *ahost_ptr++);
- efree(ahost_str);
-
- *host_ptr = '\0';
- state->offset += host_ptr - state->url.host;
-
- return SUCCESS;
-}
-#endif
-
-#ifdef HAVE_INET_PTON
-static const char *parse_ip6(struct parse_state *state, const char *ptr)
-{
- const char *error = NULL, *end = state->ptr, *tmp = memchr(ptr, ']', end - ptr);
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- if (tmp) {
- size_t addrlen = tmp - ptr + 1;
- char buf[16], *addr = estrndup(ptr + 1, addrlen - 2);
- int rv = inet_pton(AF_INET6, addr, buf);
-
- if (rv == 1) {
- state->buffer[state->offset] = '[';
- state->url.host = &state->buffer[state->offset];
- inet_ntop(AF_INET6, buf, state->url.host + 1, state->maxlen - state->offset);
- state->offset += strlen(state->url.host);
- state->buffer[state->offset++] = ']';
- state->buffer[state->offset++] = 0;
- ptr = tmp + 1;
- } else if (rv == -1) {
- error = strerror(errno);
- } else {
- error = "unexpected '['";
- }
- efree(addr);
- } else {
- error = "expected ']'";
- }
-
- if (error) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse hostinfo; %s", error);
- return NULL;
- }
-
- return ptr;
-}
-#endif
-
-static ZEND_RESULT_CODE parse_hostinfo(struct parse_state *state, const char *ptr)
-{
- size_t mb, len;
- const char *end = state->ptr, *tmp = ptr, *port = NULL, *label = NULL;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
-#ifdef HAVE_INET_PTON
- if (*ptr == '[' && !(ptr = parse_ip6(state, ptr))) {
- return FAILURE;
- }
-#endif
-
- if (ptr != end) do {
- switch (*ptr) {
- case ':':
- if (port) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse port; unexpected ':' at pos %u in '%s'",
- (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- port = ptr + 1;
- break;
-
- case '%':
- if (ptr[1] != '%' && (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2)))) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse hostinfo; invalid percent encoding at pos %u in '%s'",
- (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- state->buffer[state->offset++] = *ptr++;
- state->buffer[state->offset++] = *ptr++;
- state->buffer[state->offset++] = *ptr;
- break;
-
- case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
- case '+': case ',': case ';': case '=': /* sub-delims */
- case '-': case '.': case '_': case '~': /* unreserved */
- if (port || !label) {
- /* sort of a compromise, just ensure we don't end up
- * with a dot at the beginning or two consecutive dots
- */
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse %s; unexpected '%c' at pos %u in '%s'",
- port ? "port" : "host",
- (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- state->buffer[state->offset++] = *ptr;
- label = NULL;
- break;
-
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- if (port) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse port; unexpected char '%c' at pos %u in '%s'",
- (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- }
- /* no break */
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- /* allowed */
- if (port) {
- state->url.port *= 10;
- state->url.port += *ptr - '0';
- } else {
- label = ptr;
- state->buffer[state->offset++] = *ptr;
- }
- break;
-
- default:
- if (ptr == end) {
- break;
- } else if (port) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse port; unexpected byte 0x%02x at pos %u in '%s'",
- (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
- return FAILURE;
- } else if (!(mb = parse_mb(state, PARSE_HOSTINFO, ptr, end, tmp, 0))) {
- return FAILURE;
- }
- label = ptr;
- ptr += mb - 1;
- }
- } while (++ptr != end);
-
- if (!state->url.host) {
- len = (port ? port - tmp - 1 : end - tmp);
- state->url.host = &state->buffer[state->offset - len];
- state->buffer[state->offset++] = 0;
- }
-
- if (state->flags & PHP_HTTP_URL_PARSE_TOIDN) {
-#if PHP_HTTP_HAVE_IDN2
- return parse_idn2(state, len);
-#elif PHP_HTTP_HAVE_IDN
- return parse_idn(state, len);
-#endif
-#ifdef HAVE_UIDNA_IDNTOASCII
- return parse_uidn(state);
-#endif
-#if 0 && defined(PHP_WIN32)
- return parse_widn(state);
-#endif
- }
-
- return SUCCESS;
-}
-
-static const char *parse_authority(struct parse_state *state)
-{
- const char *tmp = state->ptr, *host = NULL;
-
- do {
- switch (*state->ptr) {
- case '@':
- /* userinfo delimiter */
- if (host) {
- TSRMLS_FETCH_FROM_CTX(state->ts);
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse userinfo; unexpected '@'");
- return NULL;
- }
- host = state->ptr + 1;
- if (tmp != state->ptr && SUCCESS != parse_userinfo(state, tmp)) {
- return NULL;
- }
- tmp = state->ptr + 1;
- break;
-
- case '/':
- case '?':
- case '#':
- case '\0':
- EOD:
- /* host delimiter */
- if (tmp != state->ptr && SUCCESS != parse_hostinfo(state, tmp)) {
- return NULL;
- }
- return state->ptr;
- }
- } while (++state->ptr <= state->end);
-
- --state->ptr;
- goto EOD;
-}
-
-static const char *parse_path(struct parse_state *state)
-{
- size_t mb;
- const char *tmp;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- /* is there actually a path to parse? */
- if (!*state->ptr) {
- return state->ptr;
- }
- tmp = state->ptr;
- state->url.path = &state->buffer[state->offset];
-
- do {
- switch (*state->ptr) {
- case '#':
- case '?':
- goto done;
-
- case '%':
- if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse path; invalid percent encoding at pos %u in '%s'",
- (unsigned) (state->ptr - tmp), tmp);
- return NULL;
- }
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- case '/': /* yeah, well */
- case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
- case '+': case ',': case ';': case '=': /* sub-delims */
- case '-': case '.': case '_': case '~': /* unreserved */
- case ':': case '@': /* pchar */
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- /* allowed */
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- default:
- if (!(mb = parse_mb(state, PARSE_PATH, state->ptr, state->end, tmp, 0))) {
- return NULL;
- }
- state->ptr += mb - 1;
- }
- } while (++state->ptr < state->end);
-
- done:
- /* did we have any path component ? */
- if (tmp != state->ptr) {
- state->buffer[state->offset++] = 0;
- } else {
- state->url.path = NULL;
- }
- return state->ptr;
-}
-
-static const char *parse_query(struct parse_state *state)
-{
- size_t mb;
- const char *tmp = state->ptr + !!*state->ptr;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- /* is there actually a query to parse? */
- if (*state->ptr != '?') {
- return state->ptr;
- }
-
- /* skip initial '?' */
- tmp = ++state->ptr;
- state->url.query = &state->buffer[state->offset];
-
- while (state->ptr < state->end) {
- switch (*state->ptr) {
- case '#':
- goto done;
-
- case '%':
- if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse query; invalid percent encoding at pos %u in '%s'",
- (unsigned) (state->ptr - tmp), tmp);
- return NULL;
- }
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- /* RFC1738 unsafe */
- case '{': case '}':
- case '<': case '>':
- case '[': case ']':
- case '|': case '\\': case '^': case '`': case '"': case ' ':
- if (state->flags & PHP_HTTP_URL_PARSE_TOPCT) {
- state->buffer[state->offset++] = '%';
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) >> 4];
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) & 0xf];
- break;
- }
- /* no break */
-
- case '?': case '/': /* yeah, well */
- case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
- case '+': case ',': case ';': case '=': /* sub-delims */
- case '-': case '.': case '_': case '~': /* unreserved */
- case ':': case '@': /* pchar */
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- /* allowed */
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- default:
- if (!(mb = parse_mb(state, PARSE_QUERY, state->ptr, state->end, tmp, 0))) {
- return NULL;
- }
- state->ptr += mb - 1;
- }
-
- ++state->ptr;
- }
-
- done:
- state->buffer[state->offset++] = 0;
- return state->ptr;
-}
-
-static const char *parse_fragment(struct parse_state *state)
-{
- size_t mb;
- const char *tmp;
- TSRMLS_FETCH_FROM_CTX(state->ts);
-
- /* is there actually a fragment to parse? */
- if (*state->ptr != '#') {
- return state->ptr;
- }
-
- /* skip initial '#' */
- tmp = ++state->ptr;
- state->url.fragment = &state->buffer[state->offset];
-
- do {
- switch (*state->ptr) {
- case '%':
- if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse fragment; invalid percent encoding at pos %u in '%s'",
- (unsigned) (state->ptr - tmp), tmp);
- return NULL;
- }
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr++;
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- /* RFC1738 unsafe */
- case '{': case '}':
- case '<': case '>':
- case '[': case ']':
- case '|': case '\\': case '^': case '`': case '"': case ' ':
- if (state->flags & PHP_HTTP_URL_PARSE_TOPCT) {
- state->buffer[state->offset++] = '%';
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) >> 4];
- state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) & 0xf];
- break;
- }
- /* no break */
-
- case '?': case '/':
- case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
- case '+': case ',': case ';': case '=': /* sub-delims */
- case '-': case '.': case '_': case '~': /* unreserved */
- case ':': case '@': /* pchar */
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- /* allowed */
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- default:
- if (!(mb = parse_mb(state, PARSE_FRAGMENT, state->ptr, state->end, tmp, 0))) {
- return NULL;
- }
- state->ptr += mb - 1;
- }
- } while (++state->ptr < state->end);
-
- state->buffer[state->offset++] = 0;
- return state->ptr;
-}
-
-static const char *parse_hier(struct parse_state *state)
-{
- if (*state->ptr == '/') {
- if (state->end - state->ptr > 1) {
- if (*(state->ptr + 1) == '/') {
- state->ptr += 2;
- if (!(state->ptr = parse_authority(state))) {
- return NULL;
- }
- }
- }
- }
- return parse_path(state);
-}
-
-static const char *parse_scheme(struct parse_state *state)
-{
- size_t mb;
- const char *tmp = state->ptr;
-
- do {
- switch (*state->ptr) {
- case ':':
- /* scheme delimiter */
- state->url.scheme = &state->buffer[0];
- state->buffer[state->offset++] = 0;
- return ++state->ptr;
-
- case '0': case '1': case '2': case '3': case '4': case '5': case '6':
- case '7': case '8': case '9':
- case '+': case '-': case '.':
- if (state->ptr == tmp) {
- return tmp;
- }
- /* no break */
- case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
- case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
- case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
- case 'V': case 'W': case 'X': case 'Y': case 'Z':
- case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
- case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
- case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
- case 'v': case 'w': case 'x': case 'y': case 'z':
- /* scheme part */
- state->buffer[state->offset++] = *state->ptr;
- break;
-
- default:
- if (!(mb = parse_mb(state, PARSE_SCHEME, state->ptr, state->end, tmp, 1))) {
- /* soft fail; parse path next */
- return tmp;
- }
- state->ptr += mb - 1;
- }
- } while (++state->ptr != state->end);
-
- return state->ptr = tmp;
-}
-
-php_http_url_t *php_http_url_parse(const char *str, size_t len, unsigned flags TSRMLS_DC)
-{
- size_t maxlen = 3 * len;
- struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
-
- state->end = str + len;
- state->ptr = str;
- state->flags = flags;
- state->maxlen = maxlen;
- TSRMLS_SET_CTX(state->ts);
-
- if (!parse_scheme(state)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL scheme: '%s'", state->ptr);
- efree(state);
- return NULL;
- }
-
- if (!parse_hier(state)) {
- efree(state);
- return NULL;
- }
-
- if (!parse_query(state)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL query: '%s'", state->ptr);
- efree(state);
- return NULL;
- }
-
- if (!parse_fragment(state)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL fragment: '%s'", state->ptr);
- efree(state);
- return NULL;
- }
-
- return (php_http_url_t *) state;
-}
-
-php_http_url_t *php_http_url_parse_authority(const char *str, size_t len, unsigned flags TSRMLS_DC)
-{
- size_t maxlen = 3 * len;
- struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
-
- state->end = str + len;
- state->ptr = str;
- state->flags = flags;
- state->maxlen = maxlen;
- TSRMLS_SET_CTX(state->ts);
-
- if (!(state->ptr = parse_authority(state))) {
- efree(state);
- return NULL;
- }
-
- if (state->ptr != state->end) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "Failed to parse URL authority, unexpected character at pos %u in '%s'",
- (unsigned) (state->ptr - str), str);
- efree(state);
- return NULL;
- }
-
- return (php_http_url_t *) state;
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl___construct, 0, 0, 0)
- ZEND_ARG_INFO(0, old_url)
- ZEND_ARG_INFO(0, new_url)
- ZEND_ARG_INFO(0, flags)
-ZEND_END_ARG_INFO();
-PHP_METHOD(HttpUrl, __construct)
-{
- zval *new_url = NULL, *old_url = NULL;
- long flags = PHP_HTTP_URL_FROM_ENV;
- zend_error_handling zeh;
-
- php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z!z!l", &old_url, &new_url, &flags), invalid_arg, return);
-
- zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
- {
- php_http_url_t *res_purl, *new_purl = NULL, *old_purl = NULL;
-
- if (new_url) {
- new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
- if (!new_purl) {
- zend_restore_error_handling(&zeh TSRMLS_CC);
- return;
- }
- }
- if (old_url) {
- old_purl = php_http_url_from_zval(old_url, flags TSRMLS_CC);
- if (!old_purl) {
- if (new_purl) {
- php_http_url_free(&new_purl);
- }
- zend_restore_error_handling(&zeh TSRMLS_CC);
- return;
- }
- }
-
- res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
- php_http_url_to_struct(res_purl, getThis() TSRMLS_CC);
-
- php_http_url_free(&res_purl);
- if (old_purl) {
- php_http_url_free(&old_purl);
- }
- if (new_purl) {
- php_http_url_free(&new_purl);
- }
- }
- zend_restore_error_handling(&zeh TSRMLS_CC);
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_mod, 0, 0, 1)
- ZEND_ARG_INFO(0, more_url_parts)
- ZEND_ARG_INFO(0, flags)
-ZEND_END_ARG_INFO();
-PHP_METHOD(HttpUrl, mod)
-{
- zval *new_url = NULL;
- long flags = PHP_HTTP_URL_JOIN_PATH | PHP_HTTP_URL_JOIN_QUERY | PHP_HTTP_URL_SANITIZE_PATH;
- zend_error_handling zeh;
-
- php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z!|l", &new_url, &flags), invalid_arg, return);
-
- zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
- {
- php_http_url_t *new_purl = NULL, *old_purl = NULL;
-
- if (new_url) {
- new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
- if (!new_purl) {
- zend_restore_error_handling(&zeh TSRMLS_CC);
- return;
- }
- }
-
- if ((old_purl = php_http_url_from_struct(HASH_OF(getThis())))) {
- php_http_url_t *res_purl;
-
- ZVAL_OBJVAL(return_value, zend_objects_clone_obj(getThis() TSRMLS_CC), 0);
-
- res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
- php_http_url_to_struct(res_purl, return_value TSRMLS_CC);
-
- php_http_url_free(&res_purl);
- php_http_url_free(&old_purl);
- }
- if (new_purl) {
- php_http_url_free(&new_purl);
- }
- }
- zend_restore_error_handling(&zeh TSRMLS_CC);
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toString, 0, 0, 0)
-ZEND_END_ARG_INFO();
-PHP_METHOD(HttpUrl, toString)
-{
- if (SUCCESS == zend_parse_parameters_none()) {
- php_http_url_t *purl;
-
- if ((purl = php_http_url_from_struct(HASH_OF(getThis())))) {
- char *str;
- size_t len;
-
- php_http_url_to_string(purl, &str, &len, 0);
- php_http_url_free(&purl);
- RETURN_STRINGL(str, len, 0);
- }
- }
- RETURN_EMPTY_STRING();
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toArray, 0, 0, 0)
-ZEND_END_ARG_INFO();
-PHP_METHOD(HttpUrl, toArray)
-{
- php_http_url_t *purl;
-
- if (SUCCESS != zend_parse_parameters_none()) {
- return;
- }
-
- /* strip any non-URL properties */
- purl = php_http_url_from_struct(HASH_OF(getThis()));
- php_http_url_to_struct(purl, return_value TSRMLS_CC);
- php_http_url_free(&purl);
-}
-
-static zend_function_entry php_http_url_methods[] = {
- PHP_ME(HttpUrl, __construct, ai_HttpUrl___construct, ZEND_ACC_PUBLIC|ZEND_ACC_CTOR)
- PHP_ME(HttpUrl, mod, ai_HttpUrl_mod, ZEND_ACC_PUBLIC)
- PHP_ME(HttpUrl, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
- ZEND_MALIAS(HttpUrl, __toString, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
- PHP_ME(HttpUrl, toArray, ai_HttpUrl_toArray, ZEND_ACC_PUBLIC)
- EMPTY_FUNCTION_ENTRY
-};
-
-zend_class_entry *php_http_url_class_entry;
-
-PHP_MINIT_FUNCTION(http_url)
-{
- zend_class_entry ce = {0};
-
- INIT_NS_CLASS_ENTRY(ce, "http", "Url", php_http_url_methods);
- php_http_url_class_entry = zend_register_internal_class(&ce TSRMLS_CC);
-
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("scheme"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("user"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("pass"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("host"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("port"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("path"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("query"), ZEND_ACC_PUBLIC TSRMLS_CC);
- zend_declare_property_null(php_http_url_class_entry, ZEND_STRL("fragment"), ZEND_ACC_PUBLIC TSRMLS_CC);
-
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("REPLACE"), PHP_HTTP_URL_REPLACE TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_PATH"), PHP_HTTP_URL_JOIN_PATH TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("JOIN_QUERY"), PHP_HTTP_URL_JOIN_QUERY TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_USER"), PHP_HTTP_URL_STRIP_USER TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PASS"), PHP_HTTP_URL_STRIP_PASS TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_AUTH"), PHP_HTTP_URL_STRIP_AUTH TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PORT"), PHP_HTTP_URL_STRIP_PORT TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_PATH"), PHP_HTTP_URL_STRIP_PATH TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_QUERY"), PHP_HTTP_URL_STRIP_QUERY TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_FRAGMENT"), PHP_HTTP_URL_STRIP_FRAGMENT TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("STRIP_ALL"), PHP_HTTP_URL_STRIP_ALL TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("FROM_ENV"), PHP_HTTP_URL_FROM_ENV TSRMLS_CC);
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("SANITIZE_PATH"), PHP_HTTP_URL_SANITIZE_PATH TSRMLS_CC);
-
-#ifdef PHP_HTTP_HAVE_WCHAR
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBLOC"), PHP_HTTP_URL_PARSE_MBLOC TSRMLS_CC);
-#endif
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_MBUTF8"), PHP_HTTP_URL_PARSE_MBUTF8 TSRMLS_CC);
-#if defined(PHP_HTTP_HAVE_IDN2) || defined(PHP_HTTP_HAVE_IDN) || defined(HAVE_UIDNA_IDNTOASCII)
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOIDN"), PHP_HTTP_URL_PARSE_TOIDN TSRMLS_CC);
-#endif
- zend_declare_class_constant_long(php_http_url_class_entry, ZEND_STRL("PARSE_TOPCT"), PHP_HTTP_URL_PARSE_TOPCT TSRMLS_CC);
-
- return SUCCESS;
-}
-
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: noet sw=4 ts=4 fdm=marker
- * vim<600: noet sw=4 ts=4
- */
-