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/****************************************************************************
* netutils/thttpd/thttpd_strings.c
* HTTP strings
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Derived from the file of the same name in the original THTTPD package:
*
* Copyright � 1995,1998,1999,2000,2001 by Jef Poskanzer <jef@mail.acme.com>.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS 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 AUTHOR OR 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "config.h"
#include "thttpd_strings.h"
#ifdef CONFIG_THTTPD
/****************************************************************************
* Public Data
****************************************************************************/
/* This is the 'root' of the Filesystem as seen by the HTTP client */
const char httpd_root[] = CONFIG_THTTPD_PATH;
/* HTPP status */
const char ok200title[] = "OK";
const char ok206title[] = "Partial Content";
const char err302title[] = "Found";
const char err302form[] = "The actual URL is '%s'.\n";
const char err304title[] = "Not Modified";
const char httpd_err400title[] = "Bad Request";
const char httpd_err400form[] = "Your request has bad syntax or is inherently impossible to satisfy.\n";
#ifdef CONFIG_THTTPD_AUTH_FILE
const char err401title[] = "Unauthorized";
const char err401form[] = "Authorization required for the URL '%s'.\n";
#endif
const char err403title[] = "Forbidden";
#ifndef EXPLICIT_ERROR_PAGES
const char err403form[] = "You do not have permission to get URL '%s' from this server.\n";
#endif
const char err404title[] = "Not Found";
const char err404form[] = "The requested URL '%s' was not found on this server.\n";
const char httpd_err408title[] = "Request Timeout";
const char httpd_err408form[] = "No request appeared within a reasonable time period.\n";
const char err500title[] = "Internal Error";
const char err500form[] = "There was an unusual problem serving the requested URL '%s'.\n";
const char err501title[] = "Not Implemented";
const char err501form[] = "The requested method '%s' is not implemented by this server.\n";
const char httpd_err503title[] = "Service Temporarily Overloaded";
const char httpd_err503form[] = "The requested URL '%s' is temporarily overloaded. Please try again later.\n";
/* HTML strings */
const char html_crlf[] = "\r\n";
const char html_html[] = "<HTML>\r\n";
const char html_endhtml[] = "</HTML>\r\n";
const char html_hdtitle[] = "<HEAD><TITLE>";
const char html_titlehd[] = "</TITLE></HEAD>\r\n";
const char html_body[] = "<BODY BGCOLOR=\"#99cc99\" TEXT=\"#000000\" LINK=\"#2020ff\" VLINK=\"#4040cc\">\r\n";
const char html_endbody[] = "</BODY>\r\n";
const char html_hdr2[] = "<H2>";
const char html_endhdr2[] = "</H2>";
/****************************************************************************
* Private Functions
****************************************************************************/
static int hexit(char nibble)
{
if (nibble >= '0' && nibble <= '9')
{
return nibble - '0';
}
else if (nibble >= 'a' && nibble <= 'f')
{
return nibble - 'a' + 10;
}
else if (nibble >= 'A' && nibble <= 'F')
{
return nibble - 'A' + 10;
}
return 0;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/* Copies and decodes a string. It's ok for from and to to be the same string. */
void httpd_strdecode(char *to, char *from)
{
for (; *from != '\0'; ++to, ++from)
{
if (from[0] == '%' && isxdigit(from[1]) && isxdigit(from[2]))
{
*to = hexit(from[1]) * 16 + hexit(from[2]);
from += 2;
}
else
{
*to = *from;
}
}
*to = '\0';
}
/* Copies and encodes a string. */
#ifdef CONFIG_THTTPD_GENERATE_INDICES
static void httpd_strencode(char *to, int tosize, char *from)
{
int tolen;
for (tolen = 0; *from != '\0' && tolen + 4 < tosize; ++from)
{
if (isalnum(*from) || strchr("/_.-~", *from) != NULL)
{
*to = *from;
++to;
++tolen;
}
else
{
(void)sprintf(to, "%%%02x", (int)*from & 0xff);
to += 3;
tolen += 3;
}
}
*to = '\0';
}
#endif /* CONFIG_THTTPD_GENERATE_INDICES */
#endif /* CONFIG_THTTPD */
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