bool
checkRelation(const Relation& relation, const Name& name1, const Name& name2)
{
switch (relation)
{
case RELATION_EQUAL:
return (name1 == name2);
case RELATION_IS_PREFIX_OF:
return name1.isPrefixOf(name2);
case RELATION_IS_STRICT_PREFIX_OF:
return (name1.isPrefixOf(name2) && name1 != name2);
default:
return false;
}
}
void
DummyClientFace::enableRegistrationReply()
{
onSendInterest.connect([this] (const Interest& interest) {
static const Name localhostRegistration("/localhost/nfd/rib");
if (!localhostRegistration.isPrefixOf(interest.getName()))
return;
nfd::ControlParameters params(interest.getName().get(-5).blockFromValue());
params.setFaceId(1);
params.setOrigin(0);
if (interest.getName().get(3) == name::Component("register")) {
params.setCost(0);
}
nfd::ControlResponse resp;
resp.setCode(200);
resp.setBody(params.wireEncode());
shared_ptr<Data> data = make_shared<Data>(interest.getName());
data->setContent(resp.wireEncode());
m_keyChain.sign(*data, security::SigningInfo(security::SigningInfo::SIGNER_TYPE_SHA256));
this->getIoService().post([this, data] { this->receive(*data); });
});
}
void
AutoPrefixPropagator::afterInsertRibEntry(const Name& prefix)
{
if (LOCAL_REGISTRATION_PREFIX.isPrefixOf(prefix)) {
NFD_LOG_INFO("local registration only for " << prefix);
return;
}
if (prefix == LINK_LOCAL_NFD_PREFIX) {
NFD_LOG_INFO("this is a prefix registered by some hub: " << prefix);
m_hasConnectedHub = true;
return afterHubConnect();
}
auto propagateParameters = getPrefixPropagationParameters(prefix);
if (!propagateParameters.isValid) {
NFD_LOG_INFO("no signing identity available for: " << prefix);
return;
}
auto entryIt = m_propagatedEntries.find(propagateParameters.parameters.getName());
if (entryIt != m_propagatedEntries.end()) {
// in addition to PROPAGATED and PROPAGATE_FAIL, the state may also be NEW,
// if its propagation was suspended because there was no connectivity to the Hub.
NFD_LOG_INFO("prefix has already been propagated: "
<< propagateParameters.parameters.getName());
return;
}
afterRibInsert(propagateParameters.parameters, propagateParameters.options);
}
AutoPrefixPropagator::PrefixPropagationParameters
AutoPrefixPropagator::getPrefixPropagationParameters(const Name& localRibPrefix)
{
// get all identities from the KeyChain
std::vector<Name> identities;
m_keyChain.getAllIdentities(identities, false); // get all except the default
identities.push_back(m_keyChain.getDefaultIdentity()); // get the default
// shortest prefix matching to all identies.
Name propagatedPrefix, signingIdentity;
bool isFound = false;
for (auto&& i : identities) {
Name prefix = !i.empty() && IGNORE_COMMPONENT == i.at(-1) ? i.getPrefix(-1) : i;
if (prefix.isPrefixOf(localRibPrefix) && (!isFound || i.size() < signingIdentity.size())) {
isFound = true;
propagatedPrefix = prefix;
signingIdentity = i;
}
}
PrefixPropagationParameters propagateParameters;
if (!isFound) {
propagateParameters.isValid = false;
}
else {
propagateParameters.isValid = true;
propagateParameters.parameters = m_controlParameters;
propagateParameters.options = m_commandOptions;
propagateParameters.parameters.setName(propagatedPrefix);
propagateParameters.options.setSigningInfo(signingByIdentity(signingIdentity));
}
return propagateParameters;
}
BOOST_FIXTURE_TEST_CASE(EcdsaSigningByIdentityNoCert, IdentityManagementFixture)
{
Data data("/test/data");
Name nonExistingIdentity = Name("/non-existing/identity").appendVersion();
BOOST_CHECK_NO_THROW(m_keyChain.sign(data, signingByIdentity(nonExistingIdentity)));
BOOST_CHECK_EQUAL(data.getSignature().getType(),
KeyChain::getSignatureType(KeyChain::DEFAULT_KEY_PARAMS.getKeyType(),
DigestAlgorithm::SHA256));
BOOST_CHECK(nonExistingIdentity.isPrefixOf(data.getSignature().getKeyLocator().getName()));
Name ecdsaIdentity = Name("/ndn/test/ecdsa").appendVersion();
Name ecdsaKeyName = m_keyChain.generateEcdsaKeyPairAsDefault(ecdsaIdentity, false, 256);
BOOST_CHECK_NO_THROW(m_keyChain.sign(data, signingByIdentity(ecdsaIdentity)));
BOOST_CHECK_EQUAL(data.getSignature().getType(),
KeyChain::getSignatureType(EcdsaKeyParams().getKeyType(), DigestAlgorithm::SHA256));
BOOST_CHECK(ecdsaIdentity.isPrefixOf(data.getSignature().getKeyLocator().getName()));
}
std::list<shared_ptr<RibEntry>>
Rib::findDescendantsForNonInsertedName(const Name& prefix) const
{
std::list<shared_ptr<RibEntry>> children;
for (std::pair<Name, shared_ptr<RibEntry>> pair : m_rib) {
if (prefix.isPrefixOf(pair.first)) {
children.push_back(pair.second);
}
}
return children;
}
void OnInterest( shared_ptr< const Interest> interest ) override
{
static VerifierProducer verifier;
static Name prefix( "ndn/internal/verify-tag" );
App::OnInterest( interest );
if( prefix.isPrefixOf( interest->getName() ) )
{
auto data = verifier.makeData( interest );
if( data != NULL )
m_face->onReceiveData( *data );
}
};
std::pair<int64_t,Name>
Index::findFirstEntry(const Name& prefix,
IndexContainer::const_iterator startingPoint) const
{
BOOST_ASSERT(startingPoint != m_indexContainer.end());
if (prefix.isPrefixOf(startingPoint->getName()))
{
return std::make_pair(startingPoint->getId(), startingPoint->getName());
}
else
{
return std::make_pair(0, Name());
}
}
shared_ptr<fw::Strategy>
StrategyChoice::getStrategy(const Name& strategyName) const
{
shared_ptr<fw::Strategy> candidate;
for (StrategyInstanceTable::const_iterator it = m_strategyInstances.lower_bound(strategyName);
it != m_strategyInstances.end() && strategyName.isPrefixOf(it->first); ++it) {
switch (it->first.size() - strategyName.size()) {
case 0: // exact match
return it->second;
case 1: // unversioned strategyName matches versioned strategy
candidate = it->second;
break;
}
}
return candidate;
}
shared_ptr<const Data>
InMemoryStorage::find(const Name& name)
{
auto it = m_cache.get<byFullName>().lower_bound(name);
// if not found, return null
if (it == m_cache.get<byFullName>().end()) {
return nullptr;
}
// if the given name is not the prefix of the lower_bound, return null
if (!name.isPrefixOf((*it)->getFullName())) {
return nullptr;
}
afterAccess(*it);
return ((*it)->getData()).shared_from_this();
}
std::list<shared_ptr<RibEntry> >
Rib::findDescendants(const Name& prefix) const
{
std::list<shared_ptr<RibEntry> > children;
RibTable::const_iterator it = m_rib.find(prefix);
if (it != m_rib.end()) {
++it;
for (; it != m_rib.end(); ++it) {
if (prefix.isPrefixOf(it->first)) {
children.push_back((it->second));
}
else {
break;
}
}
}
return children;
}
void
AutoPrefixPropagator::afterEraseRibEntry(const Name& prefix)
{
if (LOCAL_REGISTRATION_PREFIX.isPrefixOf(prefix)) {
NFD_LOG_INFO("local unregistration only for " << prefix);
return;
}
if (prefix == LINK_LOCAL_NFD_PREFIX) {
NFD_LOG_INFO("disconnected to hub with prefix: " << prefix);
m_hasConnectedHub = false;
return afterHubDisconnect();
}
auto propagateParameters = getPrefixPropagationParameters(prefix);
if (!propagateParameters.isValid) {
NFD_LOG_INFO("no signing identity available for: " << prefix);
return;
}
auto entryIt = m_propagatedEntries.find(propagateParameters.parameters.getName());
if (entryIt == m_propagatedEntries.end()) {
NFD_LOG_INFO("prefix has not been propagated yet: "
<< propagateParameters.parameters.getName());
return;
}
for (auto&& ribTableEntry : m_rib) {
if (propagateParameters.parameters.getName().isPrefixOf(ribTableEntry.first) &&
propagateParameters.options.getSigningInfo().getSignerName() ==
getPrefixPropagationParameters(ribTableEntry.first)
.options.getSigningInfo().getSignerName()) {
NFD_LOG_INFO("should be kept for another RIB entry: " << ribTableEntry.first);
return;
}
}
afterRibErase(propagateParameters.parameters.unsetCost(), propagateParameters.options);
}
bool
ManagementTool::matchCertificate(const Name& certName, const Name& identity)
{
if (!m_keyChain.doesCertificateExist(certName)) {
NDNS_LOG_WARN(certName.toUri() << " is not presented in KeyChain");
return false;
}
//check its public key information
shared_ptr<IdentityCertificate> cert = m_keyChain.getCertificate(certName);
Name keyName = cert->getPublicKeyName();
if (!identity.isPrefixOf(keyName) || identity.size()!=keyName.size()-1) {
NDNS_LOG_WARN(keyName.toUri() << " is not a key of " << identity.toUri());
return false;
}
if (!m_keyChain.doesKeyExistInTpm(keyName, KEY_CLASS_PRIVATE)) {
NDNS_LOG_WARN("Private key: " << keyName.toUri() << " is not presented in KeyChain");
return false;
}
return true;
}
void
InMemoryStorage::erase(const Name& prefix, const bool isPrefix)
{
if (isPrefix) {
auto it = m_cache.get<byFullName>().lower_bound(prefix);
while (it != m_cache.get<byFullName>().end() && prefix.isPrefixOf((*it)->getName())) {
// let derived class do something with the entry
beforeErase(*it);
it = freeEntry(it);
}
}
else {
auto it = m_cache.get<byFullName>().find(prefix);
if (it == m_cache.get<byFullName>().end())
return;
// let derived class do something with the entry
beforeErase(*it);
freeEntry(it);
}
if (m_freeEntries.size() > (2 * size()))
setCapacity(getCapacity() / 2);
}
void
RemoteRegistrator::unregisterPrefix(const Name& prefix)
{
if (prefix == REMOTE_HUB_PREFIX)
{
NFD_LOG_INFO("disconnected to hub with prefix: " << prefix);
// for phase 1: suppose there is at most one hub connected.
// if the hub prefix has been unregistered locally, there may
// be no connected hub.
m_hasConnectedHub = false;
clearRefreshEvents();
return;
}
if (!m_hasConnectedHub)
{
NFD_LOG_INFO("no hub connected when unregistering " << prefix);
return;
}
std::pair<Name, size_t> identity = findIdentityForRegistration(prefix);
if (0 == identity.second)
{
NFD_LOG_INFO("no proper identity found for unregistering " << prefix);
return;
}
Name prefixForRegistration;
if (identity.first.size() == identity.second)
{
prefixForRegistration = identity.first;
}
else
{
prefixForRegistration = identity.first.getPrefix(-1);
}
RegisteredEntryIt iRegEntry = m_regEntries.find(prefixForRegistration);
if (m_regEntries.end() == iRegEntry)
{
NFD_LOG_INFO("no existing entry found when unregistering " << prefix);
return;
}
for (auto&& entry : m_rib)
{
if (prefixForRegistration.isPrefixOf(entry.first) &&
findIdentityForRegistration(entry.first) == identity)
{
NFD_LOG_INFO("this identity should be kept for other rib entry: "
<< entry.first);
return;
}
}
scheduler::cancel(iRegEntry->second);
m_regEntries.erase(iRegEntry);
// make copies of m_controlParameters and m_commandOptions to
// avoid unreasonable overwriting during concurrent registration
// and unregistration.
ControlParameters parameters = m_controlParameters;
CommandOptions options = m_commandOptions;
startUnregistration(parameters.setName(prefixForRegistration).unsetCost(),
options.setSigningIdentity(identity.first),
m_nRetries);
}
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;
std::string notBeforeStr;
std::string notAfterStr;
std::string subjectName;
std::string requestFile("-");
std::string signId;
std::string subjectInfo;
bool hasSignId = false;
bool isNack = false;
po::options_description description("General Usage\n ndnsec cert-gen [-h] [-S date] [-E date] [-N subject-name] [-I subject-info] [-s sign-id] request\nGeneral options");
description.add_options()
("help,h", "produce help message")
("not-before,S", po::value<std::string>(¬BeforeStr), "certificate starting date, YYYYMMDDhhmmss")
("not-after,E", po::value<std::string>(¬AfterStr), "certificate ending date, YYYYMMDDhhmmss")
("subject-name,N", po::value<std::string>(&subjectName), "subject name")
("subject-info,I", po::value<std::string>(&subjectInfo), "subject info, pairs of OID and string description: \"2.5.4.10 'University of California, Los Angeles'\"")
("nack", "Generate revocation certificate (NACK)")
("sign-id,s", po::value<std::string>(&signId), "signing Identity, system default identity if not specified")
("request,r", po::value<std::string>(&requestFile), "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::cerr << description << std::endl;
return 0;
}
if (vm.count("sign-id") != 0)
{
hasSignId = true;
}
if (vm.count("nack") != 0)
{
isNack = true;
}
std::vector<CertificateSubjectDescription> otherSubDescrypt;
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;
otherSubDescrypt.push_back(CertificateSubjectDescription(oid, value));
it++;
}
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 << "not-before is later than not-after" << std::endl;
return 1;
}
}
if (vm.count("request") == 0)
{
std::cerr << "request file must be specified" << std::endl;
return 1;
}
shared_ptr<IdentityCertificate> selfSignedCertificate
= getIdentityCertificate(requestFile);
if (!static_cast<bool>(selfSignedCertificate))
{
std::cerr << "ERROR: input error" << std::endl;
return 1;
}
KeyChain keyChain;
Name keyName = selfSignedCertificate->getPublicKeyName();
Name signIdName;
Name certName;
if (!hasSignId)
signIdName = keyChain.getDefaultIdentity();
else
signIdName = Name(signId);
if (signIdName.isPrefixOf(keyName))
{
// if signee's namespace is a sub-namespace of signer, for example, signer's namespace is
// /ndn/test, signee's namespace is /ndn/test/alice, the generated certificate name is
// /ndn/test/KEY/alice/ksk-1234/ID-CERT/%01%02
certName.append(signIdName)
.append("KEY")
.append(keyName.getSubName(signIdName.size()))
.append("ID-CERT")
.appendVersion();
}
else
{
// if signee's namespace is not a sub-namespace of signer, for example, signer's namespace is
// /ndn/test, signee's namespace is /ndn/ucla/bob, the generated certificate name is
// /ndn/ucla/bob/KEY/ksk-1234/ID-CERT/%01%02
certName.append(keyName.getPrefix(-1))
.append("KEY")
.append(keyName.get(-1))
.append("ID-CERT")
.appendVersion();
}
Block wire;
if (!isNack)
{
if (vm.count("subject-name") == 0)
{
std::cerr << "subject_name must be specified" << std::endl;
return 1;
}
CertificateSubjectDescription subDescryptName("2.5.4.41", subjectName);
IdentityCertificate certificate;
certificate.setName(certName);
certificate.setNotBefore(notBefore);
certificate.setNotAfter(notAfter);
certificate.setPublicKeyInfo(selfSignedCertificate->getPublicKeyInfo());
certificate.addSubjectDescription(subDescryptName);
for (size_t i = 0; i < otherSubDescrypt.size(); i++)
certificate.addSubjectDescription(otherSubDescrypt[i]);
certificate.encode();
keyChain.createIdentity(signIdName);
Name signingCertificateName = keyChain.getDefaultCertificateNameForIdentity(signIdName);
keyChain.sign(certificate, signingCertificateName);
wire = certificate.wireEncode();
}
else
{
Data revocationCert;
// revocationCert.setContent(void*, 0); // empty content
revocationCert.setName(certName);
keyChain.createIdentity(signIdName);
Name signingCertificateName = keyChain.getDefaultCertificateNameForIdentity(signIdName);
keyChain.sign(revocationCert, signingCertificateName);
wire = revocationCert.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;
}
