Botan  2.19.1
Crypto and TLS for C++11
Public Member Functions | Static Public Member Functions | List of all members
Botan::Cert_Extension::Name_Constraints Class Referencefinal

#include <x509_ext.h>

Inheritance diagram for Botan::Cert_Extension::Name_Constraints:
Botan::Certificate_Extension

Public Member Functions

Name_Constraintscopy () const override
 
const NameConstraintsget_name_constraints () const
 
 Name_Constraints ()=default
 
 Name_Constraints (const NameConstraints &nc)
 
OID oid_of () const override
 
void validate (const X509_Certificate &subject, const X509_Certificate &issuer, const std::vector< std::shared_ptr< const X509_Certificate >> &cert_path, std::vector< std::set< Certificate_Status_Code >> &cert_status, size_t pos) override
 

Static Public Member Functions

static OID static_oid ()
 

Detailed Description

Name Constraints

Definition at line 230 of file x509_ext.h.

Constructor & Destructor Documentation

Botan::Cert_Extension::Name_Constraints::Name_Constraints ( )
default
Botan::Cert_Extension::Name_Constraints::Name_Constraints ( const NameConstraints nc)
inline

Definition at line 237 of file x509_ext.h.

237 : m_name_constraints(nc) {}

Member Function Documentation

Name_Constraints* Botan::Cert_Extension::Name_Constraints::copy ( ) const
inlineoverridevirtual

Make a copy of this extension

Returns
copy of this

Implements Botan::Certificate_Extension.

Definition at line 233 of file x509_ext.h.

234  { return new Name_Constraints(m_name_constraints); }
const NameConstraints& Botan::Cert_Extension::Name_Constraints::get_name_constraints ( ) const
inline

Definition at line 244 of file x509_ext.h.

244 { return m_name_constraints; }
OID Botan::Cert_Extension::Name_Constraints::oid_of ( ) const
inlineoverridevirtual
Returns
OID representing this extension

Implements Botan::Certificate_Extension.

Definition at line 247 of file x509_ext.h.

247 { return static_oid(); }
static OID Botan::Cert_Extension::Name_Constraints::static_oid ( )
inlinestatic

Definition at line 246 of file x509_ext.h.

246 { return OID("2.5.29.30"); }
void Botan::Cert_Extension::Name_Constraints::validate ( const X509_Certificate subject,
const X509_Certificate issuer,
const std::vector< std::shared_ptr< const X509_Certificate >> &  cert_path,
std::vector< std::set< Certificate_Status_Code >> &  cert_status,
size_t  pos 
)
overridevirtual

Reimplemented from Botan::Certificate_Extension.

Definition at line 653 of file x509_ext.cpp.

References Botan::NameConstraints::excluded(), Botan::X509_Certificate::is_CA_cert(), Botan::X509_Certificate::is_critical(), Botan::NAME_CONSTRAINT_ERROR, and Botan::NameConstraints::permitted().

657  {
658  if(!m_name_constraints.permitted().empty() || !m_name_constraints.excluded().empty())
659  {
660  if(!subject.is_CA_cert())
661  {
662  cert_status.at(pos).insert(Certificate_Status_Code::NAME_CONSTRAINT_ERROR);
663  }
664 
665  const bool issuer_name_constraint_critical =
666  issuer.is_critical("X509v3.NameConstraints");
667 
668  // Check that all subordinate certs pass the name constraint
669  for(size_t j = 0; j < pos; ++j)
670  {
671  bool permitted = m_name_constraints.permitted().empty();
672  bool failed = false;
673 
674  for(auto c: m_name_constraints.permitted())
675  {
676  switch(c.base().matches(*cert_path.at(j)))
677  {
678  case GeneralName::MatchResult::NotFound:
679  case GeneralName::MatchResult::All:
680  permitted = true;
681  break;
682  case GeneralName::MatchResult::UnknownType:
683  failed = issuer_name_constraint_critical;
684  permitted = true;
685  break;
686  default:
687  break;
688  }
689  }
690 
691  for(auto c: m_name_constraints.excluded())
692  {
693  switch(c.base().matches(*cert_path.at(j)))
694  {
695  case GeneralName::MatchResult::All:
696  case GeneralName::MatchResult::Some:
697  failed = true;
698  break;
699  case GeneralName::MatchResult::UnknownType:
700  failed = issuer_name_constraint_critical;
701  break;
702  default:
703  break;
704  }
705  }
706 
707  if(failed || !permitted)
708  {
709  cert_status.at(j).insert(Certificate_Status_Code::NAME_CONSTRAINT_ERROR);
710  }
711  }
712  }
713  }
const std::vector< GeneralSubtree > & permitted() const
Definition: pkix_types.h:335
const std::vector< GeneralSubtree > & excluded() const
Definition: pkix_types.h:340

The documentation for this class was generated from the following files: