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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*
* @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
*/
#ifndef NDN_TOOLS_NDNSEC_CERT_GEN_HPP
#define NDN_TOOLS_NDNSEC_CERT_GEN_HPP
#include "util.hpp"
int
ndnsec_cert_gen(int argc, char** argv)
{
using boost::tokenizer;
using boost::escaped_list_separator;
using namespace ndn;
using namespace ndn::time;
namespace po = boost::program_options;
KeyChain keyChain;
std::string notBeforeStr;
std::string notAfterStr;
std::string subjectName;
std::string requestFile("-");
Name signId;
std::string subjectInfo;
std::vector<std::string> signedInfo;
Name certPrefix = KeyChain::DEFAULT_PREFIX; // to avoid displaying the default value
po::options_description description(
"General Usage\n"
" ndnsec cert-gen [-h] [-S date] [-E date] [-N subject-name] [-I subject-info] "
"[-s sign-id] [-p cert-prefix] request\n"
"General options");
description.add_options()
("help,h", "produce help message")
("not-before,S", po::value<std::string>(&notBeforeStr),
"certificate starting date, YYYYMMDDhhmmss (default: now)")
("not-after,E", po::value<std::string>(&notAfterStr),
"certificate ending date, YYYYMMDDhhmmss (default: now + 365 days)")
("subject-name,N", po::value<std::string>(&subjectName),
"subject name")
("subject-info,I", po::value<std::string>(&subjectInfo),
"(deprecated, uses 'signed-info') subject info, pairs of OID and string "
" description: \"2.5.4.10 'University of California, Los Angeles'\"")
("signed-info", po::value<std::vector<std::string> >(&signedInfo),
"a pair of OID and string (must be separated by a single space), e.g., "
"\"2.5.4.10 University of California, Los Angeles\". "
"May be repeated multiple times")
("sign-id,s", po::value<Name>(&signId)->default_value(keyChain.getDefaultIdentity()),
"signing identity")
("cert-prefix,p", po::value<Name>(&certPrefix),
"cert prefix, which is the part of certificate name before "
"KEY component")
("request,r", po::value<std::string>(&requestFile)->default_value("-"),
"request file name, - for stdin")
;
po::positional_options_description p;
p.add("request", 1);
po::variables_map vm;
try
{
po::store(po::command_line_parser(argc, argv).options(description).positional(p).run(),
vm);
po::notify(vm);
}
catch (const std::exception& e)
{
std::cerr << "ERROR: " << e.what() << std::endl;
return 1;
}
if (vm.count("help") != 0)
{
std::cout << description << std::endl;
return 0;
}
if (vm.count("subject-name") == 0)
{
std::cerr << "ERROR: subject name must be specified" << std::endl
<< std::endl
<< description << std::endl;
return 1;
}
std::vector<CertificateSubjectDescription> subjectDescription;
subjectDescription.push_back(CertificateSubjectDescription(oid::ATTRIBUTE_NAME, subjectName));
// 'subjectInfo' is deprecated and the following block will be removed eventually
tokenizer<escaped_list_separator<char> > subjectInfoItems
(subjectInfo, escaped_list_separator<char>("\\", " \t", "'\""));
tokenizer<escaped_list_separator<char> >::iterator it =
subjectInfoItems.begin();
while (it != subjectInfoItems.end())
{
std::string oid = *it;
it++;
if (it == subjectInfoItems.end())
{
std::cerr << "ERROR: unmatched info for oid [" << oid << "]" << std::endl;
return 1;
}
std::string value = *it;
subjectDescription.push_back(CertificateSubjectDescription(OID(oid), value));
it++;
}
// new 'signedInfo' processing
for (std::vector<std::string>::const_iterator info = signedInfo.begin();
info != signedInfo.end(); ++info) {
size_t pos = info->find(" ");
if (pos == std::string::npos) {
std::cerr << "ERROR: incorrectly formatted signed info block [" << *info << "]" << std::endl;
return 1;
}
OID oid(info->substr(0, pos));
std::string value = info->substr(pos + 1);
subjectDescription.push_back(CertificateSubjectDescription(oid, value));
}
system_clock::TimePoint notBefore;
system_clock::TimePoint notAfter;
if (vm.count("not-before") == 0)
{
notBefore = system_clock::now();
}
else
{
notBefore = fromIsoString(notBeforeStr.substr(0, 8) + "T" +
notBeforeStr.substr(8, 6));
}
if (vm.count("not-after") == 0)
{
notAfter = notBefore + days(365);
}
else
{
notAfter = fromIsoString(notAfterStr.substr(0, 8) + "T" +
notAfterStr.substr(8, 6));
if (notAfter < notBefore)
{
std::cerr << "ERROR: not-before cannot be later than not-after" << std::endl
<< std::endl
<< description << std::endl;
return 1;
}
}
if (vm.count("request") == 0)
{
std::cerr << "ERROR: request file must be specified" << std::endl
<< std::endl
<< description << std::endl;
return 1;
}
shared_ptr<IdentityCertificate> selfSignedCertificate
= getIdentityCertificate(requestFile);
if (!static_cast<bool>(selfSignedCertificate))
{
std::cerr << "ERROR: input error" << std::endl;
return 1;
}
Name keyName = selfSignedCertificate->getPublicKeyName();
shared_ptr<IdentityCertificate> certificate =
keyChain.prepareUnsignedIdentityCertificate(keyName, selfSignedCertificate->getPublicKeyInfo(),
signId, notBefore, notAfter,
subjectDescription, certPrefix);
if (!static_cast<bool>(certificate))
{
std::cerr << "ERROR: key name is not formated correctly or does not match certificate name"
<< std::endl;
return 1;
}
keyChain.createIdentity(signId);
Name signingCertificateName = keyChain.getDefaultCertificateNameForIdentity(signId);
keyChain.sign(*certificate, signingCertificateName);
Block wire = certificate->wireEncode();
try
{
using namespace CryptoPP;
StringSource ss(wire.wire(), wire.size(), true,
new Base64Encoder(new FileSink(std::cout), true, 64));
}
catch (const CryptoPP::Exception& e)
{
std::cerr << "ERROR: " << e.what() << std::endl;
return 1;
}
return 0;
}
#endif // NDN_TOOLS_NDNSEC_CERT_GEN_HPP