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/*
* Certificate Store
* (C) 1999-2010,2013 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/certstor.h>
#include <botan/internal/filesystem.h>
namespace Botan {
std::shared_ptr<const X509_CRL> Certificate_Store::find_crl_for(const X509_Certificate&) const
{
return std::shared_ptr<const X509_CRL>();
}
void Certificate_Store_In_Memory::add_certificate(const X509_Certificate& cert)
{
for(size_t i = 0; i != m_certs.size(); ++i)
{
if(*m_certs[i] == cert)
return;
}
m_certs.push_back(std::make_shared<X509_Certificate>(cert));
}
std::vector<X509_DN> Certificate_Store_In_Memory::all_subjects() const
{
std::vector<X509_DN> subjects;
for(size_t i = 0; i != m_certs.size(); ++i)
subjects.push_back(m_certs[i]->subject_dn());
return subjects;
}
namespace {
template<typename T>
std::shared_ptr<const X509_Certificate>
cert_search(const X509_DN& subject_dn, const std::vector<byte>& key_id,
const std::vector<std::shared_ptr<T>>& certs)
{
for(size_t i = 0; i != certs.size(); ++i)
{
// Only compare key ids if set in both call and in the cert
if(key_id.size())
{
std::vector<byte> skid = certs[i]->subject_key_id();
if(skid.size() && skid != key_id) // no match
continue;
}
if(certs[i]->subject_dn() == subject_dn)
return certs[i];
}
return std::shared_ptr<const X509_Certificate>();
}
}
std::shared_ptr<const X509_Certificate>
Certificate_Store_In_Memory::find_cert(const X509_DN& subject_dn,
const std::vector<byte>& key_id) const
{
return cert_search(subject_dn, key_id, m_certs);
}
void Certificate_Store_In_Memory::add_crl(const X509_CRL& crl)
{
X509_DN crl_issuer = crl.issuer_dn();
for(size_t i = 0; i != m_crls.size(); ++i)
{
// Found an update of a previously existing one; replace it
if(m_crls[i]->issuer_dn() == crl_issuer)
{
if(m_crls[i]->this_update() <= crl.this_update())
m_crls[i] = std::make_shared<X509_CRL>(crl);
return;
}
}
// Totally new CRL, add to the list
m_crls.push_back(std::make_shared<X509_CRL>(crl));
}
std::shared_ptr<const X509_CRL> Certificate_Store_In_Memory::find_crl_for(const X509_Certificate& subject) const
{
const std::vector<byte>& key_id = subject.authority_key_id();
for(size_t i = 0; i != m_crls.size(); ++i)
{
// Only compare key ids if set in both call and in the CRL
if(key_id.size())
{
std::vector<byte> akid = m_crls[i]->authority_key_id();
if(akid.size() && akid != key_id) // no match
continue;
}
if(m_crls[i]->issuer_dn() == subject.issuer_dn())
return m_crls[i];
}
return std::shared_ptr<const X509_CRL>();
}
Certificate_Store_In_Memory::Certificate_Store_In_Memory(const X509_Certificate& cert)
{
add_certificate(cert);
}
Certificate_Store_In_Memory::Certificate_Store_In_Memory(const std::string& dir)
{
if(dir.empty())
return;
std::vector<std::string> maybe_certs = get_files_recursive(dir);
for(auto&& cert_file : maybe_certs)
{
try
{
m_certs.push_back(std::make_shared<X509_Certificate>(cert_file));
}
catch(std::exception&)
{
}
}
}
std::shared_ptr<const X509_Certificate>
Certificate_Store_Overlay::find_cert(const X509_DN& subject_dn,
const std::vector<byte>& key_id) const
{
return cert_search(subject_dn, key_id, m_certs);
}
std::vector<X509_DN> Certificate_Store_Overlay::all_subjects() const
{
std::vector<X509_DN> subjects;
for(size_t i = 0; i != m_certs.size(); ++i)
subjects.push_back(m_certs[i]->subject_dn());
return subjects;
}
}
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