171 lines
6.0 KiB
C
171 lines
6.0 KiB
C
/****************************************************************************
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* httpd_cgi.c
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* Web server script interface
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* Author: Adam Dunkels <adam@sics.se>
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*
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* Copyright (c) 2001-2006, Adam Dunkels.
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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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* 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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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 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 <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <nuttx/compiler.h>
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#include <net/uip/uip.h>
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#include <net/uip/httpd.h>
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#include "httpd_cgi.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static void nullfunction(struct httpd_state *pstate, char *ptr);
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#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
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static void net_stats(struct httpd_state *pstate, char *ptr);
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#endif
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#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
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static void file_stats(struct httpd_state *pstate, char *ptr);
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
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HTTPD_CGI_CALL(file, "file-stats", file_stats);
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#endif
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#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
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HTTPD_CGI_CALL(net, "net-stats", net_stats);
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#endif
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static const struct httpd_cgi_call *calls[] =
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{
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#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
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&file,
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#endif
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#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
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&net,
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#endif
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NULL
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};
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static const char closed[] = /* "CLOSED",*/
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{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
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static const char syn_rcvd[] = /* "SYN-RCVD",*/
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{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56, 0x44, 0};
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static const char syn_sent[] = /* "SYN-SENT",*/
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{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e, 0x54, 0};
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static const char established[] = /* "ESTABLISHED",*/
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{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48, 0x45, 0x44, 0};
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static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
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{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x31, 0};
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static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
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{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49, 0x54, 0x2d, 0x32, 0};
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static const char closing[] = /* "CLOSING",*/
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{0x43, 0x4c, 0x4f, 0x53, 0x49, 0x4e, 0x47, 0};
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static const char time_wait[] = /* "TIME-WAIT,"*/
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{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41, 0x49, 0x54, 0};
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static const char last_ack[] = /* "LAST-ACK"*/
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{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43, 0x4b, 0};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nullfunction
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****************************************************************************/
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static void nullfunction(struct httpd_state *pstate, char *ptr)
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{
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}
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/****************************************************************************
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* Name: net_stats
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****************************************************************************/
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#ifdef CONFIG_NETUTILS_HTTPDNETSTATS
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static void net_stats(struct httpd_state *pstate, char *ptr)
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{
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char buffer[16];
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int i;
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for (i = 0; i < sizeof(uip_stat) / sizeof(uip_stats_t); i++)
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{
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snprintf(buffer, 16, "%5u\n", ((uip_stats_t *)&uip_stat)[i]);
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send(pstate->ht_sockfd, buffer, strlen(buffer), 0);
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}
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}
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#endif
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/****************************************************************************
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* Name: file_stats
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****************************************************************************/
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#ifdef CONFIG_NETUTILS_HTTPDFILESTATS
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static void file_stats(struct httpd_state *pstate, char *ptr)
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{
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char buffer[16];
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char *pcount = strchr(ptr, ' ') + 1;
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snprintf(buffer, 16, "%5u", httpd_fs_count(pcount));
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(void)send(pstate->ht_sockfd, buffer, strlen(buffer), 0);
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}
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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httpd_cgifunction httpd_cgi(char *name)
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{
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const struct httpd_cgi_call **f;
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/* Find the matching name in the table, return the function. */
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for(f = calls; *f != NULL; ++f)
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{
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if(strncmp((*f)->name, name, strlen((*f)->name)) == 0)
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{
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return (*f)->function;
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}
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}
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return nullfunction;
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}
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