📄 restricted.c
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#include <stdio.h>#include <cgi.h>#include <session.h>int main(void){ char *name, *value; cgi_init(); cgi_session_start(); cgi_process_form(); // The user is trying to register a variable? if (cgi_param("action")) { name = cgi_param("var_name"); value = cgi_param("var_value"); if (name && value) { cgi_session_register_var(name, value); cgi_redirect("show_vars.cgi"); cgi_end(); return 0; } } cgi_init_headers(); puts("" "<html>" "<head><title>LibCGI session examples - Restricted area</title>" "</head>" "<body>" ""); cgi_include("session_ex1_desc.html"); puts("" "<table width='70%%' align='center'>" "<tr>" "<td>" ""); if (!cgi_session_var_exists("logged")) { puts("" "<font face='arial, verdana' size='2'>To see this page contents, you must be logged." "<a href='login.cgi'>Click here</a> to go to login page." "</font>" ""); } else { puts("" "<font face='arial, verdana' size='2' color='#ff0000'>In this page you can register" "any session variable you want. Here is a good place to test session suport, and " "<a href='show_vars.cgi'>here</a> you can see all already registered variables!!!|" "</font>" "<br>" "<font face='arial, verdana' size='2'><b>To registed a variable, fill the following fields: </b></font>" "<br>" "<form action='restricted.cgi' method='pos'>" "<font face='verdana, arial' size='1'>Variable name: <input type='text' name='var_name'><br>" "Variable value: <input type='text' name='var_value'><br>" "</font>" "<input type='submit' name='action' value='Click to register'>" "</form>" ""); } cgi_include("topbar.htm"); puts("" "</td>" "</tr>" "</table>" "</body>" "</html>" ""); cgi_end(); return 0;}⌨️ 快捷键说明
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