| /* ==================================================================== |
| * Copyright (c) 1998-1999 The Apache Group. 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. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * 4. The names "Apache Server" and "Apache Group" 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 names without prior written |
| * permission of the Apache Group. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the Apache Group |
| * for use in the Apache HTTP server project (http://www.apache.org/)." |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group and was originally based |
| * on public domain software written at the National Center for |
| * Supercomputing Applications, University of Illinois, Urbana-Champaign. |
| * For more information on the Apache Group and the Apache HTTP server |
| * project, please see <http://www.apache.org/>. |
| * |
| */ |
| |
| /* |
| * This file will include OS specific functions which are not inlineable. |
| * Any inlineable functions should be defined in os-inline.c instead. |
| */ |
| |
| #include "httpd.h" |
| #include "http_core.h" |
| #include "os.h" |
| |
| /* Check the Content-Type to decide if conversion is needed */ |
| int ap_checkconv(struct request_rec *r) |
| { |
| int convert_to_ascii; |
| const char *type; |
| |
| /* To make serving of "raw ASCII text" files easy (they serve faster |
| * since they don't have to be converted from EBCDIC), a new |
| * "magic" type prefix was invented: text/x-ascii-{plain,html,...} |
| * If we detect one of these content types here, we simply correct |
| * the type to the real text/{plain,html,...} type. Otherwise, we |
| * set a flag that translation is required later on. |
| */ |
| |
| type = (r->content_type == NULL) ? ap_default_type(r) : r->content_type; |
| |
| /* If no content type is set then treat it as (ebcdic) text/plain */ |
| convert_to_ascii = (type == NULL); |
| |
| /* Conversion is applied to text/ files only, if ever. */ |
| if (type && (strncasecmp(type, "text/", 5) == 0 || |
| strncasecmp(type, "message/", 8) == 0)) { |
| if (strncasecmp(type, ASCIITEXT_MAGIC_TYPE_PREFIX, |
| sizeof(ASCIITEXT_MAGIC_TYPE_PREFIX)-1) == 0) |
| r->content_type = ap_pstrcat(r->pool, "text/", |
| type+sizeof(ASCIITEXT_MAGIC_TYPE_PREFIX)-1, |
| NULL); |
| else |
| /* translate EBCDIC to ASCII */ |
| convert_to_ascii = 1; |
| } |
| /* Enable conversion if it's a text document */ |
| ap_bsetflag(r->connection->client, B_EBCDIC2ASCII, convert_to_ascii); |
| |
| return convert_to_ascii; |
| } |
| |