Form Result

/* * Copyright (C) 2012 by egnite GmbH * * 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. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT OWNER 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. * * For additional information see http://www.ethernut.de/ */ /*! * $Id$ */ #ifdef NUT_OS #include #include #include #include #endif #include #include #include #include #include #include static int SendResult(HTTPD_SESSION *hs, char *first, char *last) { static const char head[] = "" "" "Form Result" ""; static const char body[] = "" "

Hello %s %s!

" "back" "" ""; HttpSendHeaderTop(hs, 200); HttpSendHeaderBottom(hs, "text", "html", -1); s_puts(head, hs->s_stream); s_printf(hs->s_stream, body, first, last); s_flush(hs->s_stream); return 0; } static int CgiGetForm(HTTPD_SESSION *hs) { char *arg; char *val; char *first = NULL; char *last = NULL; for (arg = HttpArgParseFirst(&hs->s_req); arg; arg = HttpArgParseNext(&hs->s_req)) { val = HttpArgValue(&hs->s_req); if (val) { if (strcmp(arg, "firstname") == 0) { first = strdup(val); } else if (strcmp(arg, "familyname") == 0) { last = strdup(val); } } } SendResult(hs, first, last); free(first); free(last); return 0; } static int CgiPostForm(HTTPD_SESSION *hs) { char *arg; char *val; char *first = NULL; char *last = NULL; long avail; avail = hs->s_req.req_length; while (avail) { arg = HttpArgReadNext(hs, &avail); if (arg) { val = HttpArgValue(&hs->s_req); if (val) { if (strcmp(arg, "firstname") == 0) { first = strdup(val); } else if (strcmp(arg, "familyname") == 0) { last = strdup(val); } } } } SendResult(hs, first, last); free(first); free(last); return 0; } int main(void) { #ifdef NUT_OS NutRegisterDevice(&DEV_CONSOLE, 0, 0); freopen(DEV_CONSOLE.dev_name, "w", stdout); #endif puts("uHTTP form sample\nBuild " __DATE__ " " __TIME__); #ifdef NUT_OS NutRegisterDevice(&DEV_ETHER, 0, 0); NutDhcpIfConfig(DEV_ETHER_NAME, NULL, 60000); NutRegisterDevice(&devUrom, 0, 0); #endif StreamInit(); MediaTypeInitDefaults(); HttpRegisterRedir("", "/index.html", 301); HttpRegisterCgiFunction("getform.cgi", CgiGetForm); HttpRegisterCgiFunction("postform.cgi", CgiPostForm); HttpRegisterMediaType("cgi", NULL, NULL, HttpCgiFunctionHandler); StreamClientAccept(HttpdClientHandler, NULL); puts("Exit"); #ifdef NUT_OS for (;;) ; #endif return 0; }