-/* ====================================================================
- * The Apache Software License, Version 1.1
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
*
- * Copyright (c) 2000-2001 The Apache Software Foundation. All rights
- * reserved.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Apache" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#include "apr_xml.h"
#include "http_log.h"
#include "http_core.h"
+#include "util_charset.h"
#include "util_xml.h"
-#define READ_BLOCKSIZE 2048 /* used for reading input blocks */
+/* used for reading input blocks */
+#define READ_BLOCKSIZE 2048
+
+APLOG_USE_MODULE(core);
AP_DECLARE(int) ap_xml_parse_input(request_rec * r, apr_xml_doc **pdoc)
{
apr_xml_parser *parser;
- int result;
+ apr_bucket_brigade *brigade;
+ int seen_eos;
apr_status_t status;
char errbuf[200];
-
- if ((result = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK)) != OK)
- return result;
-
- if (r->remaining == 0) {
- *pdoc = NULL;
- return OK;
- }
+ apr_size_t total_read = 0;
+ apr_size_t limit_xml_body = ap_get_limit_xml_body(r);
+ int result = HTTP_BAD_REQUEST;
parser = apr_xml_parser_create(r->pool);
-
- if (ap_should_client_block(r)) {
- long len;
- char *buffer;
- apr_size_t total_read = 0;
- apr_size_t limit_xml_body = ap_get_limit_xml_body(r);
-
- /* allocate our working buffer */
- buffer = apr_palloc(r->pool, READ_BLOCKSIZE);
-
- /* read the body, stuffing it into the parser */
- while ((len = ap_get_client_block(r, buffer, READ_BLOCKSIZE)) > 0) {
- total_read += len;
- if (limit_xml_body && total_read > limit_xml_body) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, r,
- "XML request body is larger than the configured "
- "limit of %lu", (unsigned long)limit_xml_body);
- goto read_error;
- }
-
- status = apr_xml_parser_feed(parser, buffer, len);
- if (status)
- goto parser_error;
- }
- if (len == -1) {
- /* ap_get_client_block() has logged an error */
- goto read_error;
- }
- }
+ brigade = apr_brigade_create(r->pool, r->connection->bucket_alloc);
+
+ seen_eos = 0;
+ total_read = 0;
+
+ do {
+ apr_bucket *bucket;
+
+ /* read the body, stuffing it into the parser */
+ status = ap_get_brigade(r->input_filters, brigade,
+ AP_MODE_READBYTES, APR_BLOCK_READ,
+ READ_BLOCKSIZE);
+
+ if (status != APR_SUCCESS) {
+ goto read_error;
+ }
+
+ for (bucket = APR_BRIGADE_FIRST(brigade);
+ bucket != APR_BRIGADE_SENTINEL(brigade);
+ bucket = APR_BUCKET_NEXT(bucket))
+ {
+ const char *data;
+ apr_size_t len;
+
+ if (APR_BUCKET_IS_EOS(bucket)) {
+ seen_eos = 1;
+ break;
+ }
+
+ if (APR_BUCKET_IS_METADATA(bucket)) {
+ continue;
+ }
+
+ status = apr_bucket_read(bucket, &data, &len, APR_BLOCK_READ);
+ if (status != APR_SUCCESS) {
+ goto read_error;
+ }
+
+ total_read += len;
+ if (limit_xml_body && total_read > limit_xml_body) {
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+ "XML request body is larger than the configured "
+ "limit of %lu", (unsigned long)limit_xml_body);
+ result = HTTP_REQUEST_ENTITY_TOO_LARGE;
+ goto read_error;
+ }
+
+ status = apr_xml_parser_feed(parser, data, len);
+ if (status) {
+ goto parser_error;
+ }
+ }
+
+ apr_brigade_cleanup(brigade);
+ } while (!seen_eos);
+
+ apr_brigade_destroy(brigade);
/* tell the parser that we're done */
status = apr_xml_parser_done(parser, pdoc);
- if (status)
- goto parser_error;
+ if (status) {
+ /* Some parsers are stupid and return an error on blank documents. */
+ if (!total_read) {
+ *pdoc = NULL;
+ return OK;
+ }
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+ "XML parser error (at end). status=%d", status);
+ return HTTP_BAD_REQUEST;
+ }
+#if APR_CHARSET_EBCDIC
+ apr_xml_parser_convert_doc(r->pool, *pdoc, ap_hdrs_from_ascii);
+#endif
return OK;
parser_error:
(void) apr_xml_parser_geterror(parser, errbuf, sizeof(errbuf));
- ap_log_rerror(APLOG_MARK, APLOG_ERR | APLOG_NOERRNO, 0, r,
- "%s", errbuf);
+ ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
+ "XML Parser Error: %s", errbuf);
/* FALLTHRU */
/* make sure the parser is terminated */
(void) apr_xml_parser_done(parser, NULL);
+ apr_brigade_destroy(brigade);
+
/* Apache will supply a default error, plus the error log above. */
- return HTTP_BAD_REQUEST;
+ return result;
}