2012-09-13 18:58:49 +02:00
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/****************************************************************************
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* netutils/thttpd/thttpd_strings.c
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* HTTP strings
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*
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* Copyright (C) 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Derived from the file of the same name in the original THTTPD package:
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*
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* Copyright <EFBFBD> 1995,1998,1999,2000,2001 by Jef Poskanzer <jef@mail.acme.com>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "config.h"
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#include "thttpd_strings.h"
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#ifdef CONFIG_THTTPD
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* This is the 'root' of the Filesystem as seen by the HTTP client */
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const char httpd_root[] = CONFIG_THTTPD_PATH;
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/* HTPP status */
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const char ok200title[] = "OK";
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const char ok206title[] = "Partial Content";
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const char err302title[] = "Found";
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const char err302form[] = "The actual URL is '%s'.\n";
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const char err304title[] = "Not Modified";
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const char httpd_err400title[] = "Bad Request";
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const char httpd_err400form[] = "Your request has bad syntax or is inherently impossible to satisfy.\n";
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#ifdef CONFIG_THTTPD_AUTH_FILE
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const char err401title[] = "Unauthorized";
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const char err401form[] = "Authorization required for the URL '%s'.\n";
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#endif
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const char err403title[] = "Forbidden";
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#ifndef EXPLICIT_ERROR_PAGES
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const char err403form[] = "You do not have permission to get URL '%s' from this server.\n";
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#endif
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const char err404title[] = "Not Found";
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const char err404form[] = "The requested URL '%s' was not found on this server.\n";
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const char httpd_err408title[] = "Request Timeout";
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const char httpd_err408form[] = "No request appeared within a reasonable time period.\n";
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const char err500title[] = "Internal Error";
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const char err500form[] = "There was an unusual problem serving the requested URL '%s'.\n";
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const char err501title[] = "Not Implemented";
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const char err501form[] = "The requested method '%s' is not implemented by this server.\n";
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const char httpd_err503title[] = "Service Temporarily Overloaded";
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const char httpd_err503form[] = "The requested URL '%s' is temporarily overloaded. Please try again later.\n";
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/* HTML strings */
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const char html_crlf[] = "\r\n";
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const char html_html[] = "<HTML>\r\n";
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const char html_endhtml[] = "</HTML>\r\n";
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const char html_hdtitle[] = "<HEAD><TITLE>";
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const char html_titlehd[] = "</TITLE></HEAD>\r\n";
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const char html_body[] = "<BODY BGCOLOR=\"#99cc99\" TEXT=\"#000000\" LINK=\"#2020ff\" VLINK=\"#4040cc\">\r\n";
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const char html_endbody[] = "</BODY>\r\n";
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const char html_hdr2[] = "<H2>";
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const char html_endhdr2[] = "</H2>";
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int hexit(char nibble)
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{
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if (nibble >= '0' && nibble <= '9')
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{
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return nibble - '0';
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}
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else if (nibble >= 'a' && nibble <= 'f')
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{
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return nibble - 'a' + 10;
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}
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else if (nibble >= 'A' && nibble <= 'F')
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{
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return nibble - 'A' + 10;
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}
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return 0;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/* Copies and decodes a string. It's ok for from and to to be the same string. */
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void httpd_strdecode(char *to, char *from)
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{
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for (; *from != '\0'; ++to, ++from)
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{
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if (from[0] == '%' && isxdigit(from[1]) && isxdigit(from[2]))
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{
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*to = hexit(from[1]) * 16 + hexit(from[2]);
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from += 2;
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}
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else
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{
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*to = *from;
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}
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}
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*to = '\0';
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}
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/* Copies and encodes a string. */
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#ifdef CONFIG_THTTPD_GENERATE_INDICES
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static void httpd_strencode(char *to, int tosize, char *from)
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{
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int tolen;
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for (tolen = 0; *from != '\0' && tolen + 4 < tosize; ++from)
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{
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if (isalnum(*from) || strchr("/_.-~", *from) != NULL)
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{
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*to = *from;
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++to;
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++tolen;
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}
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else
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{
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(void)sprintf(to, "%%%02x", (int)*from & 0xff);
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to += 3;
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tolen += 3;
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}
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}
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*to = '\0';
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}
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#endif /* CONFIG_THTTPD_GENERATE_INDICES */
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#endif /* CONFIG_THTTPD */
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