std::string
get_proxy_subject(std::string const& x509_proxy)
{
static std::string const null_string;
std::FILE* fd = std::fopen(x509_proxy.c_str(), "r");
if (!fd) return null_string;
boost::shared_ptr<std::FILE> fd_(fd, std::fclose);
::X509* const cert = ::PEM_read_X509(fd, 0, 0, 0);
if (!cert) return null_string;
boost::shared_ptr< ::X509> cert_(cert, ::X509_free);
char* const s = ::X509_NAME_oneline(::X509_get_subject_name(cert), 0, 0);
if (!s) return null_string;
boost::shared_ptr<char> s_(s, ::free);
return std::string(s);
}
/**
*
* @param signer
* @throws SignatureException
*/
void digidoc::SignatureTM::sign(Signer* signer) throw(SignatureException, SignException)
{
DEBUG("SignatureTM::sign()");
// Sign with BES profile.
SignatureBES::sign(signer);
DEBUG("BES signature successful.");
// Calculate NONCE value.
std::auto_ptr<Digest> calc = Digest::create();
calc->update(getSignatureValue());
std::vector<unsigned char> nonce = calc->getDigest();
DEBUGMEM("Calculated signature HASH (nonce):", &nonce[0], nonce.size());
// Get issuer certificate from certificate store.
X509* cert = signer->getCert();
X509Cert cert_(cert);
X509* issuer = X509CertStore::getInstance()->getCert(*(cert_.getIssuerNameAsn1())); X509_scope issuerScope(&issuer);
if(issuer == NULL)
{
THROW_SIGNATUREEXCEPTION("Could not find certificate '%s' issuer '%s' in certificate store.",
cert_.getSubject().c_str(), cert_.getIssuerName().c_str());
}
DEBUG("Signing with X.509 cert {serial=%ld, subject=%s, issuer=%s})",
cert_.getSerial(), cert_.getSubject().c_str(), cert_.getIssuerName().c_str());
// Initialize OCSP.
DEBUG("Making OCSP request.");
Conf* conf = Conf::getInstance();
Conf::OCSPConf ocspConf = conf->getOCSP(cert_.getIssuerName());
if(ocspConf.issuer.empty())
{
SignatureException e(__FILE__, __LINE__, "Failed to find ocsp responder.");
e.setCode( Exception::OCSPResponderMissing );
throw e;
}
STACK_OF(X509)* ocspCerts = 0;
try
{
ocspCerts = X509Cert::loadX509Stack(ocspConf.cert);
}
catch(const IOException& e)
{
THROW_SIGNATUREEXCEPTION_CAUSE(e, "Failed to load OCSP certificate");
}
X509Stack_scope ocspCertsScope(&ocspCerts);
OCSP::CertStatus status = OCSP::UNKNOWN;
std::vector<unsigned char> ocspResponse;
struct tm producedAt;
try
{
OCSP ocsp;
ocsp.setOCSPCerts(ocspCerts);
ocsp.setUrl(ocspConf.url);
ocsp.setMaxAge(2*60); // FIXME: remove or move to conf
ocsp.setSkew(15*60); // FIXME: remove or move to conf
status = ocsp.checkCert(cert, issuer, nonce, ocspResponse, producedAt);
}
catch(const IOException& e)
{
THROW_SIGNATUREEXCEPTION_CAUSE(e, "Failed to get OCSP response");
}
catch(const OCSPException& e)
{
THROW_SIGNATUREEXCEPTION_CAUSE(e, "Failed to get OCSP response");
}
switch(status)
{
case digidoc::OCSP::GOOD: DEBUG("OCSP status: GOOD"); break;
case digidoc::OCSP::REVOKED:
{
DEBUG("OCSP status: REVOKED");
SignatureException e( __FILE__, __LINE__, "Certificate status: revoked" );
e.setCode( Exception::CertificateRevoked );
throw e;
break;
}
case digidoc::OCSP::UNKNOWN:
{
DEBUG("OCSP status: UNKNOWN");
SignatureException e( __FILE__, __LINE__, "Certificate status: unknown" );
e.setCode( Exception::CertificateUnknown );
throw e;
break;
}
}
DEBUG("OCSP response size %d", ocspResponse.size());
// FIXME: get from ocsp instead
// FIXME: This file can contain multiple certs. X509Cert class supports only one cert per file
// loadX509Stack loads multiple certs from one file
// X509* ocspCert = X509Cert::loadX509(Conf::getInstance()->getOCSPCertPath()); X509_scope ocspCertScope(&ocspCert);
if(sk_X509_num(ocspCerts) > 1)
{
ERR("More than one OCSP cert in file.");
}
X509Cert ocspCert_(sk_X509_value(ocspCerts, 0));
std::auto_ptr<Digest> ocspResponseCalc = Digest::create();
ocspResponseCalc->update(ocspResponse);
std::vector<unsigned char> ocspResponseHash = ocspResponseCalc->getDigest();
DEBUGMEM("Calculated ocspResponse HASH:", &ocspResponseHash[0], ocspResponseHash.size());
// Set TM profile signature parameters.
createTMProperties();
setOCSPCertificate(ocspCert_);
setCACertificate(X509Cert(issuer));
setCompleteRevocationRefs(ocspCert_.getIssuerName(), calc->getUri(), ocspResponseHash, producedAt);
setOCSPResponseValue(ocspResponse);
}
