/* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2000-2001 The Apache Software Foundation. All rights * reserved. * * 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 * . */ #include "apr_xml.h" #include "httpd.h" #include "http_protocol.h" #include "http_log.h" #include "http_core.h" #include "util_xml.h" #define READ_BLOCKSIZE 2048 /* used for reading input blocks */ AP_DECLARE(int) ap_xml_parse_input(request_rec * r, apr_xml_doc **pdoc) { apr_xml_parser *parser; int result; 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; } 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; } } /* tell the parser that we're done */ status = apr_xml_parser_done(parser, pdoc); if (status) goto parser_error; 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); /* FALLTHRU */ read_error: /* make sure the parser is terminated */ (void) apr_xml_parser_done(parser, NULL); /* Apache will supply a default error, plus the error log above. */ return HTTP_BAD_REQUEST; }