Botan::GeneralSubtree Class Reference

A single Name Constraint. More...

#include <name_constraint.h>

Inheritance diagram for Botan::GeneralSubtree:

Public Member Functions
GeneralName	base () const
void	decode_from (class BER_Decoder &) override
void	encode_into (class DER_Encoder &) const override
	GeneralSubtree ()
	GeneralSubtree (GeneralName base, size_t min, size_t max)
	GeneralSubtree (const std::string &str)
size_t	maximum () const
size_t	minimum () const

Detailed Description

A single Name Constraint.

The Name Constraint extension adds a minimum and maximum path length to a GeneralName to form a constraint. The length limits are currently unused.

Definition at line 87 of file name_constraint.h.

Constructor & Destructor Documentation

Botan::GeneralSubtree::GeneralSubtree ( )

inline

Creates an empty name constraint.

Definition at line 93 of file name_constraint.h.

                       : m_base(), m_minimum(0), m_maximum(std::numeric_limits<std::size_t>::max())
      {}

Botan::GeneralSubtree::GeneralSubtree ( GeneralName  base, size_t  min, size_t  max  )

inline

Definition at line 102 of file name_constraint.h.

      : m_base(base), m_minimum(min), m_maximum(max)
      {}

Botan::GeneralSubtree::GeneralSubtree

(

const std::string &

str

)

Creates a new name constraint for its string format.

Parameters

str	name constraint

Definition at line 231 of file name_constraint.cpp.

References Botan::CT::max(), and Botan::CT::min().

                                                   : GeneralSubtree()
   {
   size_t p0, p1;
   size_t min = std::stoull(str, &p0, 10);
   size_t max = std::stoull(str.substr(p0 + 1), &p1, 10);
   GeneralName gn(str.substr(p0 + p1 + 2));

   if(p0 > 0 && p1 > 0)
      {
      m_minimum = min;
      m_maximum = max;
      m_base = gn;
      }
   else
      {
      throw Invalid_Argument("Failed to decode Name Constraint");
      }
   }

Member Function Documentation

GeneralName Botan::GeneralSubtree::base ( ) const

inline

Returns

name

Definition at line 119 of file name_constraint.h.

Referenced by Botan::operator<<().

{ return m_base; }

void Botan::GeneralSubtree::decode_from ( class BER_Decoder &  from )

overridevirtual

Decode whatever this object is from from

Parameters

from	the BER_Decoder that will be read from

Implements Botan::ASN1_Object.

Definition at line 255 of file name_constraint.cpp.

References Botan::CONTEXT_SPECIFIC, Botan::BER_Decoder::decode(), Botan::BER_Decoder::decode_optional(), Botan::BER_Decoder::end_cons(), Botan::CT::max(), Botan::SEQUENCE, and Botan::BER_Decoder::start_cons().

   {
   ber.start_cons(SEQUENCE)
      .decode(m_base)
      .decode_optional(m_minimum,ASN1_Tag(0), CONTEXT_SPECIFIC,size_t(0))
   .end_cons();

   if(m_minimum != 0)
     throw Decoding_Error("GeneralSubtree minimum must be 0");

   m_maximum = std::numeric_limits<std::size_t>::max();
   }

void Botan::GeneralSubtree::encode_into ( class DER_Encoder &  to ) const

overridevirtual

Encode whatever this object is into to

Parameters

to	the DER_Encoder that will be written to

Implements Botan::ASN1_Object.

Definition at line 250 of file name_constraint.cpp.

   {
   throw Not_Implemented("General Subtree encoding");
   }

size_t Botan::GeneralSubtree::maximum ( ) const

inline

Returns

maximum path length

Definition at line 129 of file name_constraint.h.

Referenced by Botan::operator<<().

{ return m_maximum; }

size_t Botan::GeneralSubtree::minimum ( ) const

inline

Returns

minimum path length

Definition at line 124 of file name_constraint.h.

Referenced by Botan::operator<<().

{ return m_minimum; }

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

• src/lib/x509/name_constraint.h
• src/lib/x509/name_constraint.cpp