The HTML code: (index.php)
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<html>
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<head>
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<script type="text/javascript" src=""></script>
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<script type="text/javascript" src="20120721.js"></script>
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</head>
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<body>
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<div id="loginContent" class="container">
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<div id="loginResult" style="display:none;">
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</div>
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<form id="loginForm" name="loginForm" method="post" action="">
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<fieldset>
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<legend>Enter information</legend>
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<p>
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<label for="firstname">First name</label>
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<br />
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<input type="text" id="firstname" name="firstname" class="text" size="20" />
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</p>
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<p>
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<label for="name">Name</label>
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<br />
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<input type="test" id="name" name="name" class="text" size="20" />
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</p>
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<p>
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<button type="submit" class="button positive">
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Login
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</button>
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</p>
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</fieldset>
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</form>
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</div>
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</body>
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</html>
The JavaScript Code: (20120721.js)
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$(document).ready(function(){
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$("form#loginForm").submit(function() { // loginForm is submitted
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var firstname = $('#firstname').attr('value'); // get first name
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var name = $('#name').attr('value'); // get name
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if (firstname && name) { // values are not empty
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$.ajax({
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type: "GET",
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url: "/cgi-bin/test.fcg", // URL of the Perl script
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// send firstname and name as parameters to the Perl script
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data: "firstname=" + firstname + "&name=" + name,
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// script call was *not* successful
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error: function() {
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alert("script call was not successful");
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},
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// script call was successful
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// perl_data should contain the string returned by the Perl script
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success: function(perl_data){
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alert("Your name is: " + perl_data)
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}
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});
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}
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else {
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$('div#loginResult').text("Enter your name");
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$('div#loginResult').addClass("error");
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}
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$('div#loginResult').fadeIn();
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return false;
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});
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});
The C code: (test.c)
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#include "fcgi_stdio.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <time.h>
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int main(void)
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{
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while (FCGI_Accept() >= 0) {
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int a=100;
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int b=200;
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printf("Content type: text/html\n\n");
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//printf("%s",a);
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printf("%s",getenv("REQUEST_METHOD"));
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printf("|"); //输出“|”作为分隔ab值
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printf("%s",getenv("QUERY_STRING")); //This seems to be working fine with form "GET" method but not with "POST" method. POST data is appended to the request header, after a double newline. In a CGI-BIN environment, you read it from STDIN. http://stackoverflow.com/questions/5451913/how-to-retrieve-form-post-data-via-cgi-bin-program-written-in-c
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}
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}
[root@localhost cbpm]# pwd
/var/www/html/cbpm
[root@localhost cbpm]# ls
20120721.js index.php
[root@localhost cgi-bin]# pwd
/var/www/cgi-bin
[root@localhost cgi-bin]# gcc test.c -o test.fcg -lfcgi
[root@localhost cgi-bin]# uname -a
Linux localhost.localdomain 4.2.1-1.el7.elrepo.x86_64 #1 SMP Mon Sep 21 20:01:19 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost cgi-bin]# cat /etc/redhat-release
CentOS Linux release 7.1.1503 (Core)
[root@localhost cgi-bin]# systemctl restart httpd.service
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