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// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <config.h>
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#include <stdlib.h>
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#include "ac/time.h"
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#include <unistd.h>
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#include "cgi-base.h"
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#include "fdbuf/fdbuf.h"
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#ifndef HAVE_SRANDOM
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void srandom(unsigned int seed);
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#endif
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static void redirect(mystring url)
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{
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fout << "Location: " << url << "\r\n\r\n";
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}
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void content_type(mystring ct)
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{
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fout << "Content-Type: " << ct << "\r\n\r\n";
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}
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static void error_message(mystring msg)
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{
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content_type("text/html");
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fout << "<html>"
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"<head>\n"
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"<title>CGI Error</title></head>\n"
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"<body>\n"
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"<p align=center><h1>CGI Error</h1></p><hr>\n"
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"<p>The following error occurred while trying to process your request:\r\n"
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"<pre>\r\n" << msg << "\r\n</pre></p>\r\n";
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const mystring referer = getenv("HTTP_REFERER");
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if(!referer.empty())
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fout << "<p><a href=\"" << referer << "\">Back</a></p>\n";
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fout << "</body>\n";
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}
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static void response_message(mystring msg)
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{
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content_type("text/html");
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fout << "<html>"
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"<head>\n"
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"<title>CGI Response</title></head>\n"
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"<body>\n"
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"<p align=center><h1>CGI Response</h1></p><hr>\n"
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"<p>" << msg << "</p>\n";
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const mystring referer = getenv("HTTP_REFERER");
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if(!referer.empty())
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fout << "<p><a href=\"" << referer << "\">Back</a></p>\n";
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fout << "</body>\n";
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}
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CGI::CGI(const CGIArgs& a)
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: args(a),
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redirect_url(a["redirect"]),
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error_redirect_url(a["error_redirect"]),
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vdomain(a["vdomain"]),
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password(a["password"])
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{
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must_be_defined("vdomain");
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must_be_defined("password");
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}
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void CGI::must_be_defined(mystring var)
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{
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if(!args.exists(var))
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error("The input field '" + var + "' must be defined");
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}
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void CGI::success(mystring msg)
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{
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if(!redirect_url) response_message(msg);
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else redirect(redirect_url);
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exit(0);
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}
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void CGI::error(mystring msg)
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{
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if(!error_redirect_url) error_message(msg);
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else redirect(error_redirect_url);
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exit(1);
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}
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int main(void)
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{
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struct timeval tv;
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gettimeofday(&tv, 0);
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srandom(tv.tv_usec ^ tv.tv_sec);
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CGIArgs cgiargs;
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if(cgiargs.error())
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error_message(cgiargs.errorstr());
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else
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CGI(cgiargs).main();
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}
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