+ if (!idn && !isualnum(wchar)) {
+ return 0;
+ }
+
+ return consumed;
+}
+
+#ifdef PHP_HTTP_HAVE_WCHAR
+static size_t parse_mb_loc(php_http_url_t *url, const char *ptr, const char *end, zend_bool idn)
+{
+ wchar_t wchar;
+ size_t consumed = 0;
+#if defined(HAVE_MBRTOWC)
+ mbstate_t ps = {0};
+
+ 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 (!idn && !iswalnum(wchar)) {
+ return 0;
+ }
+
+ 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 size_t parse_mb(php_http_url_t *url, parse_mb_what_t what, const char *ptr, const char *end, const char *begin, zend_bool silent)
+{
+ size_t consumed = 0;
+ zend_bool idn = (what == PARSE_HOSTINFO) && (url->flags & PHP_HTTP_URL_PARSE_IDN);
+
+ if (url->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
+ consumed = parse_mb_utf8(url, ptr, end, idn);
+ }
+#ifdef PHP_HTTP_HAVE_WCHAR
+ else if (url->flags & PHP_HTTP_URL_PARSE_MBLOC) {
+ consumed = parse_mb_loc(url, ptr, end, idn);
+ }
+#endif
+
+ if (consumed) {
+ PHP_HTTP_DUFF(consumed, url->buffer[url->offset++] = *ptr++);
+ } else if (!silent) {
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+ 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 consumed;
+}
+
+static STATUS parse_userinfo(php_http_url_t *url, const char *ptr)
+{
+ size_t mb;
+ const char *password = NULL, *end = url->ptr, *tmp = ptr;
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+
+ 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;
+ url->buffer[url->offset++] = *ptr;
+ 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;
+ }
+ url->buffer[url->offset++] = *ptr++;
+ url->buffer[url->offset++] = *ptr++;
+ url->buffer[url->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 */
+ url->buffer[url->offset++] = *ptr;
+ break;
+
+ default:
+ if (!(mb = parse_mb(url, PARSE_USERINFO, ptr, end, tmp, 0))) {
+ return FAILURE;
+ }
+ ptr += mb - 1;
+ }
+ } while(++ptr != end);
+
+ if (password) {
+ url->user = &url->buffer[url->offset - (end - password) - (password - tmp)];
+ url->buffer[url->offset - (end - password) - 1] = 0;
+ url->pass = &url->buffer[url->offset - (end - password)];
+ url->buffer[url->offset++] = 0;
+ } else {
+ url->user = &url->buffer[url->offset - (end - tmp)];
+ url->buffer[url->offset++] = 0;
+ }
+
+ return SUCCESS;
+}
+
+static STATUS parse_hostinfo(php_http_url_t *url, const char *ptr)
+{
+ size_t mb, len;
+ const char *end = url->ptr, *tmp = ptr, *port = NULL;
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+
+
+#ifdef HAVE_INET_PTON
+ if (*ptr == '[') {
+ char *error = NULL, *tmp = memchr(ptr, ']', end - ptr);
+
+ 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);
+
+ efree(addr);
+ if (rv == 1) {
+ url->buffer[url->offset] = '[';
+ url->host = &url->buffer[url->offset];
+ inet_ntop(AF_INET6, buf, url->host + 1, url->maxlen - url->offset);
+ url->offset += strlen(url->host);
+ url->buffer[url->offset++] = ']';
+ url->buffer[url->offset++] = 0;
+ ptr = tmp + 1;
+ } else if (rv == -1) {
+ error = strerror(errno);
+ } else {
+ error = "unexpected '['";
+ }
+ } else {
+ error = "expected ']'";
+ }
+
+ if (error) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse hostinfo; %s", error);