283 lines
10 KiB
C
283 lines
10 KiB
C
/**
|
|
* @file
|
|
* HTTP server options list
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
|
|
* 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 name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 file is part of the lwIP TCP/IP stack.
|
|
*
|
|
* Author: Adam Dunkels <adam@sics.se>
|
|
*
|
|
* This version of the file has been modified by Texas Instruments to offer
|
|
* simple server-side-include (SSI) and Common Gateway Interface (CGI)
|
|
* capability.
|
|
*/
|
|
|
|
#ifndef LWIP_HDR_APPS_HTTPD_OPTS_H
|
|
#define LWIP_HDR_APPS_HTTPD_OPTS_H
|
|
|
|
#include "lwip/opt.h"
|
|
|
|
/**
|
|
* @defgroup httpd_opts Options
|
|
* @ingroup httpd
|
|
* @{
|
|
*/
|
|
|
|
/** Set this to 1 to support CGI (old style) */
|
|
#if !defined LWIP_HTTPD_CGI || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_CGI 0
|
|
#endif
|
|
|
|
/** Set this to 1 to support CGI (new style) */
|
|
#if !defined LWIP_HTTPD_CGI_SSI || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_CGI_SSI 0
|
|
#endif
|
|
|
|
/** Set this to 1 to support SSI (Server-Side-Includes) */
|
|
#if !defined LWIP_HTTPD_SSI || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SSI 0
|
|
#endif
|
|
|
|
/** Set this to 1 to implement an SSI tag handler callback that gets a const char*
|
|
* to the tag (instead of an index into a pre-registered array of known tags) */
|
|
#if !defined LWIP_HTTPD_SSI_RAW || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SSI_RAW 0
|
|
#endif
|
|
|
|
/* The maximum number of parameters that the CGI handler can be sent. */
|
|
#if !defined LWIP_HTTPD_MAX_CGI_PARAMETERS || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_MAX_CGI_PARAMETERS 16
|
|
#endif
|
|
|
|
/** LWIP_HTTPD_SSI_MULTIPART==1: SSI handler function is called with 2 more
|
|
* arguments indicating a counter for insert string that are too long to be
|
|
* inserted at once: the SSI handler function must then set 'next_tag_part'
|
|
* which will be passed back to it in the next call. */
|
|
#if !defined LWIP_HTTPD_SSI_MULTIPART || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SSI_MULTIPART 0
|
|
#endif
|
|
|
|
/* The maximum length of the string comprising the tag name */
|
|
#if !defined LWIP_HTTPD_MAX_TAG_NAME_LEN || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_MAX_TAG_NAME_LEN 8
|
|
#endif
|
|
|
|
/* The maximum length of string that can be returned to replace any given tag */
|
|
#if !defined LWIP_HTTPD_MAX_TAG_INSERT_LEN || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_MAX_TAG_INSERT_LEN 192
|
|
#endif
|
|
|
|
#if !defined LWIP_HTTPD_POST_MANUAL_WND || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_POST_MANUAL_WND 0
|
|
#endif
|
|
|
|
/** This string is passed in the HTTP header as "Server: " */
|
|
#if !defined HTTPD_SERVER_AGENT || defined __DOXYGEN__
|
|
#define HTTPD_SERVER_AGENT "lwIP/" LWIP_VERSION_STRING " (http://savannah.nongnu.org/projects/lwip)"
|
|
#endif
|
|
|
|
/** Set this to 1 if you want to include code that creates HTTP headers
|
|
* at runtime. Default is off: HTTP headers are then created statically
|
|
* by the makefsdata tool. Static headers mean smaller code size, but
|
|
* the (readonly) fsdata will grow a bit as every file includes the HTTP
|
|
* header. */
|
|
#if !defined LWIP_HTTPD_DYNAMIC_HEADERS || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_DYNAMIC_HEADERS 0
|
|
#endif
|
|
|
|
#if !defined HTTPD_DEBUG || defined __DOXYGEN__
|
|
#define HTTPD_DEBUG LWIP_DBG_ON
|
|
#endif
|
|
|
|
/** Set this to 1 to use a memp pool for allocating
|
|
* struct http_state instead of the heap.
|
|
*/
|
|
#if !defined HTTPD_USE_MEM_POOL || defined __DOXYGEN__
|
|
#define HTTPD_USE_MEM_POOL 0
|
|
#endif
|
|
|
|
/** The server port for HTTPD to use */
|
|
#if !defined HTTPD_SERVER_PORT || defined __DOXYGEN__
|
|
#define HTTPD_SERVER_PORT 80
|
|
#endif
|
|
|
|
/** Maximum retries before the connection is aborted/closed.
|
|
* - number of times pcb->poll is called -> default is 4*500ms = 2s;
|
|
* - reset when pcb->sent is called
|
|
*/
|
|
#if !defined HTTPD_MAX_RETRIES || defined __DOXYGEN__
|
|
#define HTTPD_MAX_RETRIES 4
|
|
#endif
|
|
|
|
/** The poll delay is X*500ms */
|
|
#if !defined HTTPD_POLL_INTERVAL || defined __DOXYGEN__
|
|
#define HTTPD_POLL_INTERVAL 4
|
|
#endif
|
|
|
|
/** Set this to 1 to enable timing each file sent */
|
|
#if !defined LWIP_HTTPD_TIMING || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_TIMING 0
|
|
#endif
|
|
/** Set this to 1 to enable timing each file sent */
|
|
#if !defined HTTPD_DEBUG_TIMING || defined __DOXYGEN__
|
|
#define HTTPD_DEBUG_TIMING LWIP_DBG_OFF
|
|
#endif
|
|
|
|
/** Set this to one to show error pages when parsing a request fails instead
|
|
of simply closing the connection. */
|
|
#if !defined LWIP_HTTPD_SUPPORT_EXTSTATUS || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SUPPORT_EXTSTATUS 0
|
|
#endif
|
|
|
|
/** Set this to 0 to drop support for HTTP/0.9 clients (to save some bytes) */
|
|
#if !defined LWIP_HTTPD_SUPPORT_V09 || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SUPPORT_V09 1
|
|
#endif
|
|
|
|
#if LWIP_HTTPD_SUPPORT_REQUESTLIST
|
|
/** Number of rx pbufs to enqueue to parse an incoming request (up to the first
|
|
newline) */
|
|
#if !defined LWIP_HTTPD_REQ_QUEUELEN || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_REQ_QUEUELEN 5
|
|
#endif
|
|
|
|
/** Number of (TCP payload-) bytes (in pbufs) to enqueue to parse and incoming
|
|
request (up to the first double-newline) */
|
|
#if !defined LWIP_HTTPD_REQ_BUFSIZE || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_REQ_BUFSIZE LWIP_HTTPD_MAX_REQ_LENGTH
|
|
#endif
|
|
|
|
/** Defines the maximum length of a HTTP request line (up to the first CRLF,
|
|
copied from pbuf into this a global buffer when pbuf- or packet-queues
|
|
are received - otherwise the input pbuf is used directly) */
|
|
#if !defined LWIP_HTTPD_MAX_REQ_LENGTH || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_MAX_REQ_LENGTH LWIP_MIN(1023, (LWIP_HTTPD_REQ_QUEUELEN * PBUF_POOL_BUFSIZE))
|
|
#endif
|
|
#endif /* LWIP_HTTPD_SUPPORT_REQUESTLIST */
|
|
|
|
/** This is the size of a static buffer used when URIs end with '/'.
|
|
* In this buffer, the directory requested is concatenated with all the
|
|
* configured default file names.
|
|
* Set to 0 to disable checking default filenames on non-root directories.
|
|
*/
|
|
#if !defined LWIP_HTTPD_MAX_REQUEST_URI_LEN || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_MAX_REQUEST_URI_LEN 63
|
|
#endif
|
|
|
|
/** Maximum length of the filename to send as response to a POST request,
|
|
* filled in by the application when a POST is finished.
|
|
*/
|
|
#if !defined LWIP_HTTPD_POST_MAX_RESPONSE_URI_LEN || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_POST_MAX_RESPONSE_URI_LEN 63
|
|
#endif
|
|
|
|
/** Set this to 0 to not send the SSI tag (default is on, so the tag will
|
|
* be sent in the HTML page */
|
|
#if !defined LWIP_HTTPD_SSI_INCLUDE_TAG || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_SSI_INCLUDE_TAG 1
|
|
#endif
|
|
|
|
/** Set this to 1 to call tcp_abort when tcp_close fails with memory error.
|
|
* This can be used to prevent consuming all memory in situations where the
|
|
* HTTP server has low priority compared to other communication. */
|
|
#if !defined LWIP_HTTPD_ABORT_ON_CLOSE_MEM_ERROR || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_ABORT_ON_CLOSE_MEM_ERROR 0
|
|
#endif
|
|
|
|
/** Set this to 1 to send URIs without extension without headers
|
|
* (who uses this at all??) */
|
|
#if !defined LWIP_HTTPD_OMIT_HEADER_FOR_EXTENSIONLESS_URI || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_OMIT_HEADER_FOR_EXTENSIONLESS_URI 0
|
|
#endif
|
|
|
|
/** Default: Tags are sent from struct http_state and are therefore volatile */
|
|
#if !defined HTTP_IS_TAG_VOLATILE || defined __DOXYGEN__
|
|
#define HTTP_IS_TAG_VOLATILE(ptr) TCP_WRITE_FLAG_COPY
|
|
#endif
|
|
|
|
/* By default, the httpd is limited to send 2*pcb->mss to keep resource usage low
|
|
when http is not an important protocol in the device. */
|
|
#if !defined HTTPD_LIMIT_SENDING_TO_2MSS || defined __DOXYGEN__
|
|
#define HTTPD_LIMIT_SENDING_TO_2MSS 1
|
|
#endif
|
|
|
|
/*------------------- FS OPTIONS -------------------*/
|
|
|
|
/** Set this to 1 and provide the functions:
|
|
* - "int fs_open_custom(struct fs_file *file, const char *name)"
|
|
* Called first for every opened file to allow opening files
|
|
* that are not included in fsdata(_custom).c
|
|
* - "void fs_close_custom(struct fs_file *file)"
|
|
* Called to free resources allocated by fs_open_custom().
|
|
*/
|
|
#if !defined LWIP_HTTPD_CUSTOM_FILES || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_CUSTOM_FILES 0
|
|
#endif
|
|
|
|
/** Set this to 1 to support fs_read() to dynamically read file data.
|
|
* Without this (default=off), only one-block files are supported,
|
|
* and the contents must be ready after fs_open().
|
|
*/
|
|
#if !defined LWIP_HTTPD_DYNAMIC_FILE_READ || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_DYNAMIC_FILE_READ 0
|
|
#endif
|
|
|
|
/** Set this to 1 to include an application state argument per file
|
|
* that is opened. This allows to keep a state per connection/file.
|
|
*/
|
|
#if !defined LWIP_HTTPD_FILE_STATE || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_FILE_STATE 0
|
|
#endif
|
|
|
|
/** HTTPD_PRECALCULATED_CHECKSUM==1: include precompiled checksums for
|
|
* predefined (MSS-sized) chunks of the files to prevent having to calculate
|
|
* the checksums at runtime. */
|
|
#if !defined HTTPD_PRECALCULATED_CHECKSUM || defined __DOXYGEN__
|
|
#define HTTPD_PRECALCULATED_CHECKSUM 0
|
|
#endif
|
|
|
|
/** LWIP_HTTPD_FS_ASYNC_READ==1: support asynchronous read operations
|
|
* (fs_read_async returns FS_READ_DELAYED and calls a callback when finished).
|
|
*/
|
|
#if !defined LWIP_HTTPD_FS_ASYNC_READ || defined __DOXYGEN__
|
|
#define LWIP_HTTPD_FS_ASYNC_READ 0
|
|
#endif
|
|
|
|
/** Set this to 1 to include "fsdata_custom.c" instead of "fsdata.c" for the
|
|
* file system (to prevent changing the file included in CVS) */
|
|
#if !defined HTTPD_USE_CUSTOM_FSDATA || defined __DOXYGEN__
|
|
#define HTTPD_USE_CUSTOM_FSDATA 0
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* LWIP_HDR_APPS_HTTPD_OPTS_H */
|