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/*
* Certificate Store
* (C) 1999-2010,2013 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_CERT_STORE_H__
#define BOTAN_CERT_STORE_H__
#include <botan/x509cert.h>
#include <botan/x509_crl.h>
namespace Botan {
/**
* Certificate Store Interface
*/
class BOTAN_DLL Certificate_Store
{
public:
virtual ~Certificate_Store() {}
/**
* Find a certificate by Subject DN and (optionally) key identifier
* @param subject_dn the subject's distinguished name
* @param key_id an optional key id
* @return a matching certificate or nullptr otherwise
*/
virtual std::shared_ptr<const X509_Certificate>
find_cert(const X509_DN& subject_dn, const std::vector<byte>& key_id) const = 0;
/**
* Finds a CRL for the given certificate
* @param subject the subject certificate
* @return the CRL for subject or nullptr otherwise
*/
virtual std::shared_ptr<const X509_CRL> find_crl_for(const X509_Certificate& subject) const;
/**
* @return whether the certificate is known
* @param cert certififcate to be searched
*/
bool certificate_known(const X509_Certificate& cert) const
{
return find_cert(cert.subject_dn(), cert.subject_key_id()) != nullptr;
}
// remove this (used by TLS::Server)
virtual std::vector<X509_DN> all_subjects() const = 0;
};
/**
* In Memory Certificate Store
*/
class BOTAN_DLL Certificate_Store_In_Memory : public Certificate_Store
{
public:
/**
* Attempt to parse all files in dir (including subdirectories)
* as certificates. Ignores errors.
*/
explicit Certificate_Store_In_Memory(const std::string& dir);
/**
* Adds given certificate to the store.
*/
explicit Certificate_Store_In_Memory(const X509_Certificate& cert);
/**
* Create an empty store.
*/
Certificate_Store_In_Memory() {}
/**
* Add a certificate to the store.
* @param cert certificate to be added
*/
void add_certificate(const X509_Certificate& cert);
/**
* Add a certificate revocation list (CRL) to the store.
* @param crl CRL to be added
*/
void add_crl(const X509_CRL& crl);
/**
* @return DNs for all certificates managed by the store
*/
std::vector<X509_DN> all_subjects() const override;
/*
* Find a certificate by Subject DN and (optionally) key identifier
*/
std::shared_ptr<const X509_Certificate> find_cert(
const X509_DN& subject_dn,
const std::vector<byte>& key_id) const override;
/**
* Finds a CRL for the given certificate
*/
std::shared_ptr<const X509_CRL> find_crl_for(const X509_Certificate& subject) const override;
private:
// TODO: Add indexing on the DN and key id to avoid linear search
std::vector<std::shared_ptr<X509_Certificate>> m_certs;
std::vector<std::shared_ptr<X509_CRL>> m_crls;
};
/**
* FIXME add doc
*/
class BOTAN_DLL Certificate_Store_Overlay : public Certificate_Store
{
public:
explicit Certificate_Store_Overlay(const std::vector<std::shared_ptr<const X509_Certificate>>& certs) :
m_certs(certs) {}
/**
* @return DNs for all certificates managed by the store
*/
std::vector<X509_DN> all_subjects() const override;
/**
* Find a certificate by Subject DN and (optionally) key identifier
*/
std::shared_ptr<const X509_Certificate> find_cert(
const X509_DN& subject_dn,
const std::vector<byte>& key_id) const override;
private:
const std::vector<std::shared_ptr<const X509_Certificate>>& m_certs;
};
}
#endif
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