NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
validation-policy-simple-hierarchy.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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21 
23 
24 namespace ndn {
25 namespace security {
26 namespace v2 {
27 
28 void
29 ValidationPolicySimpleHierarchy::checkPolicy(const Data& data, const shared_ptr<ValidationState>& state,
30  const ValidationContinuation& continueValidation)
31 {
32  Name klName = getKeyLocatorName(data, *state);
33  if (!state->getOutcome()) { // already failed
34  return;
35  }
36 
37  if (klName.getPrefix(-2).isPrefixOf(data.getName())) {
38  continueValidation(make_shared<CertificateRequest>(klName), state);
39  }
40  else {
41  state->fail({ValidationError::Code::INVALID_KEY_LOCATOR, "Data signing policy violation for " +
42  data.getName().toUri() + " by " + klName.toUri()});
43  }
44 }
45 
46 void
47 ValidationPolicySimpleHierarchy::checkPolicy(const Interest& interest, const shared_ptr<ValidationState>& state,
48  const ValidationContinuation& continueValidation)
49 {
50  Name klName = getKeyLocatorName(interest, *state);
51  if (!state->getOutcome()) { // already failed
52  return;
53  }
54 
55  if (klName.getPrefix(-2).isPrefixOf(interest.getName())) {
56  continueValidation(make_shared<CertificateRequest>(klName), state);
57  }
58  else {
59  state->fail({ValidationError::Code::INVALID_KEY_LOCATOR, "Interest signing policy violation for " +
60  interest.getName().toUri() + " by " + klName.toUri()});
61  }
62 }
63 
64 } // namespace v2
65 } // namespace security
66 } // namespace ndn
ndn::security::v2::ValidationPolicySimpleHierarchy::checkPolicy
void checkPolicy(const Data &data, const shared_ptr< ValidationState > &state, const ValidationContinuation &continueValidation) override
Check data against the policy.
Definition: validation-policy-simple-hierarchy.cpp:29
validation-policy-simple-hierarchy.hpp
ndn::Name::isPrefixOf
bool isPrefixOf(const Name &other) const
Check if this name is a prefix of another name.
Definition: name.cpp:299
ndn::Data::getName
const Name & getName() const
Get name.
Definition: data.hpp:124
ndn::security::v2::ValidationPolicy::ValidationContinuation
std::function< void(const shared_ptr< CertificateRequest > &certRequest, const shared_ptr< ValidationState > &state)> ValidationContinuation
Definition: validation-policy.hpp:41
ndn::Name
Represents an absolute name.
Definition: name.hpp:44
ndn::Name::getPrefix
PartialName getPrefix(ssize_t nComponents) const
Returns a prefix of the name.
Definition: name.hpp:211
ndn::Interest
Represents an Interest packet.
Definition: interest.hpp:44
ndn::Name::toUri
void toUri(std::ostream &os, name::UriFormat format=name::UriFormat::DEFAULT) const
Write URI representation of the name to the output stream.
Definition: name.cpp:348
ndn::Data
Represents a Data packet.
Definition: data.hpp:36
ndn::Interest::getName
const Name & getName() const noexcept
Definition: interest.hpp:121
ndn::security::v2::getKeyLocatorName
static Name getKeyLocatorName(const SignatureInfo &si, ValidationState &state)
Definition: validation-policy.cpp:64
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition: ndn-strategy-choice-helper.hpp:34