security: Add 'type any' for trust-anchor in ValidatorConfig

Refs: #1482

Change-Id: Ida78f392799f0f2e578e1bdc6735bbfc68e1617e
diff --git a/src/security/validator-config.cpp b/src/security/validator-config.cpp
index 054c843..80d2fb1 100644
--- a/src/security/validator-config.cpp
+++ b/src/security/validator-config.cpp
@@ -28,6 +28,7 @@
                                  const shared_ptr<CertificateCache>& certificateCache,
                                  const int stepLimit)
   : Validator(face)
+  , m_shouldValidate(true)
   , m_stepLimit(stepLimit)
   , m_certificateCache(certificateCache)
 {
@@ -275,6 +276,10 @@
 
       return;
     }
+  else if (boost::iequals(type, "any"))
+    {
+      m_shouldValidate = false;
+    }
   else
     throw Error("Unsupported trust-anchor.type: " + type);
 }
@@ -286,6 +291,9 @@
                              const OnDataValidationFailed& onValidationFailed,
                              std::vector<shared_ptr<ValidationRequest> >& nextSteps)
 {
+  if (!m_shouldValidate)
+    return onValidated(data.shared_from_this());
+
   if (m_stepLimit == nSteps)
     return onValidationFailed(data.shared_from_this(),
                               "Maximum steps of validation reached");
@@ -322,6 +330,9 @@
                              const OnInterestValidationFailed& onValidationFailed,
                              std::vector<shared_ptr<ValidationRequest> >& nextSteps)
 {
+  if (!m_shouldValidate)
+    return onValidated(interest.shared_from_this());
+
   if (m_stepLimit == nSteps)
     return onValidationFailed(interest.shared_from_this(),
                               "Maximum steps of validation reached");
diff --git a/src/security/validator-config.hpp b/src/security/validator-config.hpp
index e22c446..00d7c66 100644
--- a/src/security/validator-config.hpp
+++ b/src/security/validator-config.hpp
@@ -120,6 +120,13 @@
   typedef std::vector<shared_ptr<DataRule> >     DataRuleList;
   typedef std::map<Name, shared_ptr<IdentityCertificate> > AnchorList;
 
+  /**
+   * @brief gives whether validation should be preformed
+   *
+   * If false, no validation occurs, and any packet is considered validated immediately.
+   */
+  bool m_shouldValidate;
+
   int m_stepLimit;
   shared_ptr<CertificateCache> m_certificateCache;