C++ (Cpp) apr_xml_parser_convert_doc Examples

Example #1

File: util_xml.c Project: Aimbot2/apache2

AP_DECLARE(int) ap_xml_parse_input(request_rec * r, apr_xml_doc **pdoc)
{
    apr_xml_parser *parser;
    apr_bucket_brigade *brigade;
    int seen_eos;
    apr_status_t status;
    char errbuf[200];
    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);
    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, APLOGNO(00539)
                              "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) {
        /* 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, APLOGNO(00540)
                      "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, 0, r, APLOGNO(00541)
                  "XML Parser Error: %s", errbuf);

    /* FALLTHRU */

  read_error:
    /* 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 result;
}

Example #2

File: mod_dav_svn.c Project: Ranga123/test1

static apr_status_t
merge_xml_in_filter(ap_filter_t *f,
                    apr_bucket_brigade *bb,
                    ap_input_mode_t mode,
                    apr_read_type_e block,
                    apr_off_t readbytes)
{
  apr_status_t rv;
  request_rec *r = f->r;
  merge_ctx_t *ctx = f->ctx;
  apr_bucket *bucket;
  int seen_eos = 0;

  /* We shouldn't be added if we're not a MERGE/DELETE, but double check. */
  if ((r->method_number != M_MERGE)
      && (r->method_number != M_DELETE))
    {
      ap_remove_input_filter(f);
      return ap_get_brigade(f->next, bb, mode, block, readbytes);
    }

  if (!ctx)
    {
      f->ctx = ctx = apr_palloc(r->pool, sizeof(*ctx));
      ctx->parser = apr_xml_parser_create(r->pool);
      ctx->bb = apr_brigade_create(r->pool, r->connection->bucket_alloc);
      apr_pool_create(&ctx->pool, r->pool);
    }

  rv = ap_get_brigade(f->next, ctx->bb, mode, block, readbytes);

  if (rv != APR_SUCCESS)
    return rv;

  for (bucket = APR_BRIGADE_FIRST(ctx->bb);
       bucket != APR_BRIGADE_SENTINEL(ctx->bb);
       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;

      rv = apr_bucket_read(bucket, &data, &len, APR_BLOCK_READ);
      if (rv != APR_SUCCESS)
        return rv;

      rv = apr_xml_parser_feed(ctx->parser, data, len);
      if (rv != APR_SUCCESS)
        {
          /* Clean up the parser. */
          (void) apr_xml_parser_done(ctx->parser, NULL);
          break;
        }
    }

  /* This will clear-out the ctx->bb as well. */
  APR_BRIGADE_CONCAT(bb, ctx->bb);

  if (seen_eos)
    {
      apr_xml_doc *pdoc;

      /* Remove ourselves now. */
      ap_remove_input_filter(f);

      /* tell the parser that we're done */
      rv = apr_xml_parser_done(ctx->parser, &pdoc);
      if (rv == APR_SUCCESS)
        {
#if APR_CHARSET_EBCDIC
          apr_xml_parser_convert_doc(r->pool, pdoc, ap_hdrs_from_ascii);
#endif
          /* stash the doc away for mod_dav_svn's later use. */
          rv = apr_pool_userdata_set(pdoc, "svn-request-body",
                                     NULL, r->pool);
          if (rv != APR_SUCCESS)
            return rv;

        }
    }

  return APR_SUCCESS;
}