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fixed cert chain verification and samples

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This commit is contained in:
Günter Obiltschnig 2014-10-09 23:56:00 +02:00
parent e271b1a970
commit f65d98f9c1
7 changed files with 91 additions and 95 deletions
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1
Net/src/HTTPSession.cpp
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@ -78,7 +78,6 @@ HTTPSession::~HTTPSession()
}
catch (...)
{
poco_unexpected();
}
delete _pException;
}

2
NetSSL_Win/include/Poco/Net/SecureSocketImpl.h
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@ -188,7 +188,7 @@ protected:
void performServerHandshake();
bool serverHandshakeLoop(PCtxtHandle phContext, PCredHandle phCred, bool requireClientAuth, bool doInitialRead, bool newContext);
void clientVerifyCertificate(const std::string& hostName);
void verifyCertificateChainClient(PCCERT_CONTEXT pServerCert, PCCERT_CHAIN_CONTEXT pChainContext);
void verifyCertificateChainClient(PCCERT_CONTEXT pServerCert);
void serverVerifyCertificate();
LONG serverDisconnect(PCredHandle phCreds, CtxtHandle* phContext);
LONG clientDisconnect(PCredHandle phCreds, CtxtHandle* phContext);

4
NetSSL_Win/samples/HTTPSTimeServer/HTTPSTimeServer.properties
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@ -3,7 +3,9 @@
HTTPSTimeServer.format = %W, %e %b %y %H:%M:%S %Z
HTTPSTimeServer.port = 9443
schannel.server.certificateName = ${system.nodeName}
schannel.server.certificatePath = ${application.configDir}any.pfx
schannel.server.privateKeyPassphraseHandler.name = KeyFileHandler
schannel.server.privateKeyPassphraseHandler.options.password = secret
schannel.server.verificationMode = none
schannel.server.useMachineStore = false
schannel.server.useStrongCrypto = true

BIN
NetSSL_Win/samples/HTTPSTimeServer/any.pfx Normal file
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3
NetSSL_Win/samples/Mail/src/Mail.cpp
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@ -18,6 +18,7 @@
#include "Poco/Net/StringPartSource.h"
#include "Poco/Net/SSLManager.h"
#include "Poco/Net/ConsoleCertificateHandler.h"
#include "Poco/Net/PrivateKeyPassphraseHandler.h"
#include "Poco/SharedPtr.h"
#include "Poco/Path.h"
#include "Poco/Exception.h"
@ -83,7 +84,7 @@ int main(int argc, char** argv)
// Note: we must create the passphrase handler prior Context
SharedPtr<InvalidCertificateHandler> pCert = new ConsoleCertificateHandler(false); // ask the user via console
Context::Ptr pContext = new Context(Context::CLIENT_USE, "");
SSLManager::instance().initializeClient(pCert, pContext);
SSLManager::instance().initializeClient(0, pCert, pContext);
MailMessage message;
message.setSender(sender);

2
NetSSL_Win/samples/download/src/download.cpp
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@ -75,7 +75,7 @@ int main(int argc, char** argv)
SharedPtr<InvalidCertificateHandler> pCertHandler = new ConsoleCertificateHandler(false); // ask the user via console
Context::Ptr pContext = new Context(Context::CLIENT_USE, "");
SSLManager::instance().initializeClient(pCertHandler, pContext);
SSLManager::instance().initializeClient(0, pCertHandler, pContext);
try
{

174
NetSSL_Win/src/SecureSocketImpl.cpp
View File

@ -1175,15 +1175,24 @@ void SecureSocketImpl::clientVerifyCertificate(const std::string& hostName)
if (!args.getIgnoreError())
throw InvalidCertificateException("Host name verification failed");
}
int iRc = CertVerifyTimeValidity(NULL, _pPeerCertificate->pCertInfo);
if (iRc != 0)
LONG rc = CertVerifyTimeValidity(0, _pPeerCertificate->pCertInfo);
if (rc != 0)
{
VerificationErrorArgs args(cert, 0, SEC_E_CERT_EXPIRED, "The certificate is expired");
VerificationErrorArgs args(cert, 0, SEC_E_CERT_EXPIRED, "The certificate is not yet, or no longer valid");
SSLManager::instance().ClientVerificationError(this, args);
if (!args.getIgnoreError())
throw InvalidCertificateException("Expired certificate");
}
verifyCertificateChainClient(_pPeerCertificate);
}
void SecureSocketImpl::verifyCertificateChainClient(PCCERT_CONTEXT pServerCert)
{
X509Certificate cert(pServerCert, true);
CERT_CHAIN_PARA chainPara;
PCCERT_CHAIN_CONTEXT pChainContext = NULL;
std::memset(&chainPara, 0, sizeof(chainPara));
@ -1199,24 +1208,15 @@ void SecureSocketImpl::clientVerifyCertificate(const std::string& hostName)
NULL,
&pChainContext))
{
CertFreeCertificateChain(pChainContext);
throw SSLException("Failed to get certificate chain", GetLastError());
throw SSLException("Cannot get certificate chain", GetLastError());
}
verifyCertificateChainClient(_pPeerCertificate, pChainContext);
}
void SecureSocketImpl::verifyCertificateChainClient(PCCERT_CONTEXT pServerCert, PCCERT_CHAIN_CONTEXT pChainContext)
{
X509Certificate cert(pServerCert, true);
HTTPSPolicyCallbackData polHttps;
std::memset(&polHttps, 0, sizeof(HTTPSPolicyCallbackData));
polHttps.cbStruct = sizeof(HTTPSPolicyCallbackData);
polHttps.dwAuthType = AUTHTYPE_SERVER;
polHttps.fdwChecks = SECURITY_FLAG_IGNORE_UNKNOWN_CA; // we do our own CA verification!
polHttps.pwszServerName = 0;// not supported on Win98, ME! but ignored on client side anyway
polHttps.fdwChecks = SECURITY_FLAG_IGNORE_UNKNOWN_CA; // we do our own check later on
polHttps.pwszServerName = 0;
CERT_CHAIN_POLICY_PARA polPara;
std::memset(&polPara, 0, sizeof(polPara));
@ -1238,12 +1238,11 @@ void SecureSocketImpl::verifyCertificateChainClient(PCCERT_CONTEXT pServerCert,
if (!args.getIgnoreError())
{
CertFreeCertificateChain(pChainContext);
throw SSLException("Failed to verify certificate chain");
throw SSLException("Cannot verify certificate chain");
}
else return;
}
if (polStatus.dwError)
else if (polStatus.dwError)
{
VerificationErrorArgs args(cert, polStatus.lElementIndex, polStatus.dwError, Utility::formatError(polStatus.dwError));
SSLManager::instance().ClientVerificationError(this, args);
@ -1257,13 +1256,15 @@ void SecureSocketImpl::verifyCertificateChainClient(PCCERT_CONTEXT pServerCert,
// now verify CA's
HCERTSTORE trustedCerts = _pContext->certificateStore();
Poco::Buffer<PCERT_CONTEXT> certs(pChainContext->cChain);
for (DWORD i = 0; i < pChainContext->cChain; i++)
{
certs[i] = (PCERT_CONTEXT)(pChainContext->rgpChain[i]->rgpElement[0]->pCertContext);
// each issuer of the pCert must be a member of the trustedCerts store
PCCERT_CONTEXT pResult = CertFindCertificateInStore(trustedCerts, certs[i]->dwCertEncodingType, 0, CERT_FIND_ISSUER_OF, certs[i], 0);
std::vector<PCCERT_CONTEXT> certs;
for (DWORD k = 0; k < pChainContext->rgpChain[i]->cElement; k++)
{
certs.push_back(pChainContext->rgpChain[i]->rgpElement[k]->pCertContext);
}
// verify that the root of the chain can be found in the trusted store
PCCERT_CONTEXT pResult = CertFindCertificateInStore(trustedCerts, certs.back()->dwCertEncodingType, 0, CERT_FIND_ISSUER_OF, certs.back(), 0);
if (!pResult)
{
poco_assert_dbg (GetLastError() == CRYPT_E_NOT_FOUND);
@ -1276,34 +1277,36 @@ void SecureSocketImpl::verifyCertificateChainClient(PCCERT_CONTEXT pServerCert,
return;
}
CertFreeCertificateContext(pResult);
}
#if !defined(_WIN32_WCE)
// check if cert is revoked
if (_pContext->options() & Context::OPT_PERFORM_REVOCATION_CHECK)
{
CERT_REVOCATION_STATUS revStat;
revStat.cbSize = sizeof(CERT_REVOCATION_STATUS);
PCERT_CONTEXT* pCerts = certs.begin();
BOOL rc = CertVerifyRevocation(
X509_ASN_ENCODING,
CERT_CONTEXT_REVOCATION_TYPE,
pChainContext->cChain,
(void **)pCerts,
CERT_VERIFY_REV_CHAIN_FLAG,
NULL,
&revStat);
if (!rc)
// check if cert is revoked
if (_pContext->options() & Context::OPT_PERFORM_REVOCATION_CHECK)
{
VerificationErrorArgs args(cert, revStat.dwIndex, revStat.dwReason, Utility::formatError(revStat.dwError));
SSLManager::instance().ClientVerificationError(this, args);
if (!args.getIgnoreError())
CERT_REVOCATION_STATUS revStat;
revStat.cbSize = sizeof(CERT_REVOCATION_STATUS);
BOOL ok = CertVerifyRevocation(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
CERT_CONTEXT_REVOCATION_TYPE,
certs.size(),
(void**) &certs[0],
CERT_VERIFY_REV_CHAIN_FLAG,
NULL,
&revStat);
// Revocation check of the root certificate may fail due to missing CRL points, etc.
// We ignore all errors checking the root certificate except CRYPT_E_REVOKED.
if (!ok && (revStat.dwIndex < certs.size() - 1 || revStat.dwError == CRYPT_E_REVOKED))
{
CertFreeCertificateChain(pChainContext);
throw SSLException("Failed to verify revoked certificate chain");
VerificationErrorArgs args(cert, revStat.dwIndex, revStat.dwReason, Utility::formatError(revStat.dwError));
SSLManager::instance().ClientVerificationError(this, args);
if (!args.getIgnoreError())
{
CertFreeCertificateChain(pChainContext);
throw SSLException("Failed to verify revoked certificate chain");
}
}
else break;
}
}
#endif
@ -1321,10 +1324,10 @@ void SecureSocketImpl::serverVerifyCertificate()
DWORD status = SEC_E_OK;
X509Certificate cert(_pPeerCertificate, true);
int iRc = CertVerifyTimeValidity(NULL, _pPeerCertificate->pCertInfo);
if (iRc != 0)
LONG rc = CertVerifyTimeValidity(0, _pPeerCertificate->pCertInfo);
if (rc != 0)
{
VerificationErrorArgs args(cert, 0, SEC_E_CERT_EXPIRED, "The certificate is expired");
VerificationErrorArgs args(cert, 0, SEC_E_CERT_EXPIRED, "The certificate is not yet, or no longer valid");
SSLManager::instance().ServerVerificationError(this, args);
if (!args.getIgnoreError())
@ -1348,14 +1351,7 @@ void SecureSocketImpl::serverVerifyCertificate()
NULL,
&pChainContext))
{
VerificationErrorArgs args(cert, 0, GetLastError(), "The certificate chain is expired");
SSLManager::instance().ServerVerificationError(this, args);
if (pChainContext) CertFreeCertificateChain(pChainContext);
if (!args.getIgnoreError())
{
throw SSLException("The certificate chain is expired");
}
else return;
throw SSLException("Cannot get certificate chain", GetLastError());
}
HTTPSPolicyCallbackData polHttps;
@ -1363,7 +1359,7 @@ void SecureSocketImpl::serverVerifyCertificate()
polHttps.cbStruct = sizeof(HTTPSPolicyCallbackData);
polHttps.dwAuthType = AUTHTYPE_CLIENT;
polHttps.fdwChecks = 0;
polHttps.pwszServerName = NULL;
polHttps.pwszServerName = 0;
CERT_CHAIN_POLICY_PARA policyPara;
std::memset(&policyPara, 0, sizeof(policyPara));
@ -1378,18 +1374,17 @@ void SecureSocketImpl::serverVerifyCertificate()
{
VerificationErrorArgs args(cert, 0, GetLastError(), "Failed to verify certificate chain");
SSLManager::instance().ServerVerificationError(this, args);
if (pChainContext) CertFreeCertificateChain(pChainContext);
CertFreeCertificateChain(pChainContext);
if (!args.getIgnoreError())
throw SSLException("Failed to verify certificate chain");
throw SSLException("Cannot verify certificate chain");
else
return;
}
if (policyStatus.dwError)
else if (policyStatus.dwError)
{
VerificationErrorArgs args(cert, policyStatus.lElementIndex, status, Utility::formatError(policyStatus.dwError));
SSLManager::instance().ServerVerificationError(this, args);
if (pChainContext) CertFreeCertificateChain(pChainContext);
CertFreeCertificateChain(pChainContext);
if (!args.getIgnoreError())
throw SSLException("Failed to verify certificate chain");
else
@ -1397,36 +1392,37 @@ void SecureSocketImpl::serverVerifyCertificate()
}
#if !defined(_WIN32_WCE)
PCERT_CONTEXT *pCerts = new PCERT_CONTEXT[pChainContext->cChain];
// perform revocation checking
for (DWORD i = 0; i < pChainContext->cChain; i++)
{
pCerts[i] = (PCERT_CONTEXT)(pChainContext->rgpChain[i]->rgpElement[0]->pCertContext);
}
CERT_REVOCATION_STATUS revStat;
revStat.cbSize = sizeof(CERT_REVOCATION_STATUS);
BOOL bRc = CertVerifyRevocation(
X509_ASN_ENCODING,
CERT_CONTEXT_REVOCATION_TYPE,
pChainContext->cChain,
(void **)pCerts,
CERT_VERIFY_REV_CHAIN_FLAG,
NULL,
&revStat);
if (!bRc)
{
VerificationErrorArgs args(cert, revStat.dwIndex, revStat.dwReason, Utility::formatError(revStat.dwReason));
SSLManager::instance().ServerVerificationError(this, args);
if (!args.getIgnoreError())
std::vector<PCCERT_CONTEXT> certs;
for (DWORD k = 0; k < pChainContext->rgpChain[i]->cElement; k++)
{
CertFreeCertificateChain(pChainContext);
delete [] pCerts;
throw SSLException("Failed to verify certificate chain");
certs.push_back(pChainContext->rgpChain[i]->rgpElement[k]->pCertContext);
}
CERT_REVOCATION_STATUS revStat;
revStat.cbSize = sizeof(CERT_REVOCATION_STATUS);
BOOL ok = CertVerifyRevocation(
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
CERT_CONTEXT_REVOCATION_TYPE,
certs.size(),
(void**) &certs[0],
CERT_VERIFY_REV_CHAIN_FLAG,
NULL,
&revStat);
if (!ok && (revStat.dwIndex < certs.size() - 1 || revStat.dwError == CRYPT_E_REVOKED))
{
VerificationErrorArgs args(cert, revStat.dwIndex, revStat.dwReason, Utility::formatError(revStat.dwReason));
SSLManager::instance().ServerVerificationError(this, args);
if (!args.getIgnoreError())
{
CertFreeCertificateChain(pChainContext);
throw SSLException("Failed to verify certificate chain");
}
}
}
delete [] pCerts;
#endif
if (pChainContext)
{
@ -1439,8 +1435,6 @@ LONG SecureSocketImpl::clientDisconnect(PCredHandle phCreds, CtxtHandle* phConte
{
if (phContext->dwLower == 0 && phContext->dwUpper == 0)
{
// handshake has never been done
poco_assert_dbg (_needHandshake);
return SEC_E_OK;
}