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/*
* Credentials Manager
* (C) 2011,2012 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/credentials_manager.h>
#include <botan/x509stor.h>
namespace Botan {
std::string Credentials_Manager::psk_identity_hint(const std::string&,
const std::string&)
{
return "";
}
std::string Credentials_Manager::psk_identity(const std::string&,
const std::string&,
const std::string&)
{
return "";
}
SymmetricKey Credentials_Manager::psk(const std::string&,
const std::string&,
const std::string& identity)
{
throw Internal_Error("No PSK set for identity " + identity);
}
bool Credentials_Manager::attempt_srp(const std::string&,
const std::string&)
{
return false;
}
std::string Credentials_Manager::srp_identifier(const std::string&,
const std::string&)
{
return "";
}
std::string Credentials_Manager::srp_password(const std::string&,
const std::string&,
const std::string&)
{
return "";
}
bool Credentials_Manager::srp_verifier(const std::string&,
const std::string&,
const std::string&,
std::string&,
BigInt&,
std::vector<byte>&,
bool)
{
return false;
}
std::vector<X509_Certificate> Credentials_Manager::cert_chain(
const std::vector<std::string>&,
const std::string&,
const std::string&)
{
return std::vector<X509_Certificate>();
}
std::vector<X509_Certificate> Credentials_Manager::cert_chain_single_type(
const std::string& cert_key_type,
const std::string& type,
const std::string& context)
{
std::vector<std::string> cert_types;
cert_types.push_back(cert_key_type);
return cert_chain(cert_types, type, context);
}
Private_Key* Credentials_Manager::private_key_for(const X509_Certificate&,
const std::string&,
const std::string&)
{
return nullptr;
}
std::vector<X509_Certificate>
Credentials_Manager::trusted_certificate_authorities(
const std::string&,
const std::string&)
{
return std::vector<X509_Certificate>();
}
void Credentials_Manager::verify_certificate_chain(
const std::string& type,
const std::string& purported_hostname,
const std::vector<X509_Certificate>& cert_chain)
{
if(cert_chain.empty())
throw std::invalid_argument("Certificate chain was empty");
if(purported_hostname != "" && !cert_chain[0].matches_dns_name(purported_hostname))
throw std::runtime_error("Certificate did not match hostname");
#if 1
std::vector<X509_Certificate> CAs = trusted_certificate_authorities(type, purported_hostname);
X509_Store store;
for(size_t i = 0; i != CAs.size(); ++i)
store.add_cert(CAs[i], true);
for(size_t i = 0; i != cert_chain.size(); ++i)
store.add_cert(cert_chain[i]);
X509_Code result = store.validate_cert(cert_chain[0], X509_Store::TLS_SERVER);
if(CAs.empty())
{
if(result == CERT_ISSUER_NOT_FOUND)
return;
if(result == CANNOT_ESTABLISH_TRUST)
return;
}
if(result != VERIFIED)
throw std::runtime_error("Certificate did not validate, code " +
std::to_string(result));
#else
// New X.509 API
const Certificate_Store& CAs =
trusted_certificate_authorities(type, purported_hostname);
Path_Validation_Result result =
x509_path_validate(cert_chain,
Path_Validation_Restrictions(),
store);
if(!result.successful_validation())
throw std::runtime_error("Certificate validation failure: " + result.as_string());
if(!CAs.certificate_known(result.trust_root())
throw std::runtime_error("Certificate chain roots in unknown/untrusted CA");
#endif
}
}
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