359 lines
14 KiB
C++
359 lines
14 KiB
C++
/*
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Copyright 2015-2016 Amebis
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Copyright 2016 GÉANT
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This file is part of GÉANTLink.
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GÉANTLink is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GÉANTLink is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GÉANTLink. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "StdAfx.h"
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using namespace std;
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using namespace winstd;
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//////////////////////////////////////////////////////////////////////
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// eap::peer_ttls
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//////////////////////////////////////////////////////////////////////
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eap::peer_ttls::peer_ttls() : peer(eap_type_ttls)
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{
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}
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eap::config_method* eap::peer_ttls::make_config_method()
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{
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return new config_method_ttls(*this);
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}
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void eap::peer_ttls::initialize()
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{
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// MSI's feature completeness check removed: It might invoke UI (prompt user for missing MSI),
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// which would be disasterous in EapHost system service.
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#if 0
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// Perform the Microsoft Installer's feature completeness check manually.
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// If execution got this far in the first place (dependent DLLs are present and loadable).
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// Furthermore, this increments program usage counter.
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if (MsiQueryFeatureState(_T(PRODUCT_VERSION_GUID), _T("featEAPTTLS")) != INSTALLSTATE_UNKNOWN)
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MsiUseFeature(_T(PRODUCT_VERSION_GUID), _T("featEAPTTLS"));
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#endif
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}
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void eap::peer_ttls::shutdown()
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{
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}
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void eap::peer_ttls::get_identity(
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_In_ DWORD dwFlags,
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_In_count_(dwConnectionDataSize) const BYTE *pConnectionData,
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_In_ DWORD dwConnectionDataSize,
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_In_count_(dwUserDataSize) const BYTE *pUserData,
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_In_ DWORD dwUserDataSize,
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_Inout_ BYTE **ppUserDataOut,
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_Inout_ DWORD *pdwUserDataOutSize,
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_In_ HANDLE hTokenImpersonateUser,
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_Inout_ BOOL *pfInvokeUI,
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_Inout_ WCHAR **ppwszIdentity)
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{
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assert(pfInvokeUI);
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assert(ppwszIdentity);
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// Unpack configuration.
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config_connection cfg(*this);
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unpack(cfg, pConnectionData, dwConnectionDataSize);
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// Get method configuration.
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if (cfg.m_providers.empty() || cfg.m_providers.front().m_methods.empty())
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throw invalid_argument(__FUNCTION__ " Configuration has no providers and/or methods.");
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const config_provider &cfg_prov(cfg.m_providers.front());
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const config_method_ttls *cfg_method = dynamic_cast<const config_method_ttls*>(cfg_prov.m_methods.front().get());
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assert(cfg_method);
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#ifdef EAP_USE_NATIVE_CREDENTIAL_CACHE
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// Unpack cached credentials.
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credentials_ttls cred_in(*this);
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if (dwUserDataSize) {
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cred_in.m_inner.reset(cfg_method->m_inner->make_credentials());
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unpack(cred_in, pUserData, dwUserDataSize);
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}
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#else
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UNREFERENCED_PARAMETER(pUserData);
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UNREFERENCED_PARAMETER(dwUserDataSize);
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#endif
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credentials_ttls cred_out(*this);
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cred_out.m_inner.reset(cfg_method->m_inner->make_credentials());
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// Assume no UI will be necessary.
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*pfInvokeUI = FALSE;
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{
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// Combine credentials.
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user_impersonator impersonating(hTokenImpersonateUser);
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eap::credentials::source_t cred_source = cred_out.combine(
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#ifdef EAP_USE_NATIVE_CREDENTIAL_CACHE
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&cred_in,
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#else
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NULL,
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#endif
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*cfg_method,
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(dwFlags & EAP_FLAG_GUEST_ACCESS) == 0 ? cfg_prov.m_id.c_str() : NULL);
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// If either of credentials is unknown, request UI.
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if (cred_source == eap::credentials::source_unknown)
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*pfInvokeUI = TRUE;
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}
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if (*pfInvokeUI) {
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if ((dwFlags & EAP_FLAG_MACHINE_AUTH) == 0) {
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// Per-user authentication
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log_event(&EAPMETHOD_TRACE_EVT_CRED_INVOKE_UI2, event_data::blank);
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return;
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} else {
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// Per-machine authentication
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throw win_runtime_error(ERROR_NO_SUCH_USER, __FUNCTION__ " Credentials for per-machine authentication not available.");
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}
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}
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// If we got here, we have all credentials we need. But, wait!
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if (cfg_method->m_auth_failed) {
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// Outer TLS: Credentials failed on last connection attempt.
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log_event(&EAPMETHOD_TRACE_EVT_CRED_PROBLEM, event_data((unsigned int)eap_type_tls), event_data::blank);
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*pfInvokeUI = TRUE;
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return;
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}
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if (cfg_method->m_inner->m_auth_failed) {
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// Inner: Credentials failed on last connection attempt.
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log_event(&EAPMETHOD_TRACE_EVT_CRED_PROBLEM, event_data((unsigned int)cfg_method->m_inner->get_method_id()), event_data::blank);
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*pfInvokeUI = TRUE;
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return;
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}
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// Build our identity. ;)
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wstring identity(std::move(cfg_method->get_public_identity(cred_out)));
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log_event(&EAPMETHOD_TRACE_EVT_CRED_OUTER_ID1, event_data((unsigned int)eap_type_ttls), event_data(identity), event_data::blank);
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size_t size = sizeof(WCHAR)*(identity.length() + 1);
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*ppwszIdentity = (WCHAR*)alloc_memory(size);
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memcpy(*ppwszIdentity, identity.c_str(), size);
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// Pack credentials.
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pack(cred_out, ppUserDataOut, pdwUserDataOutSize);
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}
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void eap::peer_ttls::get_method_properties(
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_In_ DWORD dwVersion,
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_In_ DWORD dwFlags,
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_In_ HANDLE hUserImpersonationToken,
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_In_count_(dwConnectionDataSize) const BYTE *pConnectionData,
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_In_ DWORD dwConnectionDataSize,
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_In_count_(dwUserDataSize) const BYTE *pUserData,
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_In_ DWORD dwUserDataSize,
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_Inout_ EAP_METHOD_PROPERTY_ARRAY *pMethodPropertyArray)
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{
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UNREFERENCED_PARAMETER(dwVersion);
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UNREFERENCED_PARAMETER(dwFlags);
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UNREFERENCED_PARAMETER(hUserImpersonationToken);
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UNREFERENCED_PARAMETER(pConnectionData);
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UNREFERENCED_PARAMETER(dwConnectionDataSize);
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UNREFERENCED_PARAMETER(pUserData);
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UNREFERENCED_PARAMETER(dwUserDataSize);
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assert(pMethodPropertyArray);
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vector<EAP_METHOD_PROPERTY> properties;
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properties.reserve(20);
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properties.push_back(eap_method_prop(emptPropCipherSuiteNegotiation, TRUE));
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properties.push_back(eap_method_prop(emptPropMutualAuth, TRUE));
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properties.push_back(eap_method_prop(emptPropIntegrity, TRUE));
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properties.push_back(eap_method_prop(emptPropReplayProtection, TRUE));
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properties.push_back(eap_method_prop(emptPropConfidentiality, TRUE));
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properties.push_back(eap_method_prop(emptPropKeyDerivation, TRUE));
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properties.push_back(eap_method_prop(emptPropKeyStrength128, TRUE));
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properties.push_back(eap_method_prop(emptPropDictionaryAttackResistance, TRUE));
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properties.push_back(eap_method_prop(emptPropFastReconnect, TRUE));
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properties.push_back(eap_method_prop(emptPropCryptoBinding, TRUE));
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properties.push_back(eap_method_prop(emptPropSessionIndependence, TRUE));
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properties.push_back(eap_method_prop(emptPropFragmentation, TRUE));
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properties.push_back(eap_method_prop(emptPropStandalone, TRUE));
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properties.push_back(eap_method_prop(emptPropMppeEncryption, TRUE));
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properties.push_back(eap_method_prop(emptPropTunnelMethod, TRUE));
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properties.push_back(eap_method_prop(emptPropSupportsConfig, TRUE));
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properties.push_back(eap_method_prop(emptPropMachineAuth, TRUE));
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properties.push_back(eap_method_prop(emptPropUserAuth, TRUE));
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properties.push_back(eap_method_prop(emptPropIdentityPrivacy, TRUE));
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properties.push_back(eap_method_prop(emptPropSharedStateEquivalence, TRUE));
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// Allocate property array.
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DWORD dwCount = (DWORD)properties.size();
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pMethodPropertyArray->pMethodProperty = (EAP_METHOD_PROPERTY*)alloc_memory(sizeof(EAP_METHOD_PROPERTY) * dwCount);
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// Copy properties.
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memcpy(pMethodPropertyArray->pMethodProperty, properties.data(), sizeof(EAP_METHOD_PROPERTY) * dwCount);
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pMethodPropertyArray->dwNumberOfProperties = dwCount;
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}
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void eap::peer_ttls::credentials_xml2blob(
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_In_ DWORD dwFlags,
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_In_ IXMLDOMNode *pConfigRoot,
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_In_count_(dwConnectionDataSize) const BYTE *pConnectionData,
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_In_ DWORD dwConnectionDataSize,
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_Inout_ BYTE **ppCredentialsOut,
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_Inout_ DWORD *pdwCredentialsOutSize)
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{
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UNREFERENCED_PARAMETER(dwFlags);
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UNREFERENCED_PARAMETER(pConnectionData);
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UNREFERENCED_PARAMETER(dwConnectionDataSize);
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// Load credentials from XML.
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credentials_ttls cred(*this);
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cred.load(pConfigRoot);
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// Pack credentials.
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pack(cred, ppCredentialsOut, pdwCredentialsOutSize);
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}
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EAP_SESSION_HANDLE eap::peer_ttls::begin_session(
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_In_ DWORD dwFlags,
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_In_ const EapAttributes *pAttributeArray,
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_In_ HANDLE hTokenImpersonateUser,
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_In_count_(dwConnectionDataSize) const BYTE *pConnectionData,
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_In_ DWORD dwConnectionDataSize,
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_In_count_(dwUserDataSize) const BYTE *pUserData,
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_In_ DWORD dwUserDataSize,
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_In_ DWORD dwMaxSendPacketSize)
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{
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// Create new session.
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unique_ptr<session> s(new session(*this));
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// Unpack configuration.
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unpack(s->m_cfg, pConnectionData, dwConnectionDataSize);
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// Get method configuration.
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if (s->m_cfg.m_providers.empty() || s->m_cfg.m_providers.front().m_methods.empty())
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throw invalid_argument(__FUNCTION__ " Configuration has no providers and/or methods.");
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const config_provider &cfg_prov(s->m_cfg.m_providers.front());
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const config_method_ttls *cfg_method = dynamic_cast<const config_method_ttls*>(cfg_prov.m_methods.front().get());
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assert(cfg_method);
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// Unpack credentials.
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s->m_cred.m_inner.reset(cfg_method->m_inner->make_credentials());
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unpack(s->m_cred, pUserData, dwUserDataSize);
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// Initialize method.
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s->m_method.begin_session(dwFlags, pAttributeArray, hTokenImpersonateUser, dwMaxSendPacketSize);
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return s.release();
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}
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void eap::peer_ttls::end_session(_In_ EAP_SESSION_HANDLE hSession)
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{
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assert(hSession);
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// End the session.
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session *s = static_cast<session*>(hSession);
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//s->end(ppEapError);
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delete s;
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}
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void eap::peer_ttls::process_request_packet(
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_In_ EAP_SESSION_HANDLE hSession,
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_In_bytecount_(dwReceivedPacketSize) const EapPacket *pReceivedPacket,
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_In_ DWORD dwReceivedPacketSize,
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_Inout_ EapPeerMethodOutput *pEapOutput)
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{
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assert(dwReceivedPacketSize == ntohs(*(WORD*)pReceivedPacket->Length));
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static_cast<session*>(hSession)->m_method.process_request_packet(pReceivedPacket, dwReceivedPacketSize, pEapOutput);
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}
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void eap::peer_ttls::get_response_packet(
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_In_ EAP_SESSION_HANDLE hSession,
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_Inout_bytecap_(*dwSendPacketSize) EapPacket *pSendPacket,
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_Inout_ DWORD *pdwSendPacketSize)
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{
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static_cast<session*>(hSession)->m_method.get_response_packet(pSendPacket, pdwSendPacketSize);
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}
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void eap::peer_ttls::get_result(
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_In_ EAP_SESSION_HANDLE hSession,
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_In_ EapPeerMethodResultReason reason,
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_Inout_ EapPeerMethodResult *ppResult)
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{
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static_cast<session*>(hSession)->m_method.get_result(reason, ppResult);
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}
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void eap::peer_ttls::get_ui_context(
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_In_ EAP_SESSION_HANDLE hSession,
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_Inout_ BYTE **ppUIContextData,
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_Inout_ DWORD *pdwUIContextDataSize)
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{
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UNREFERENCED_PARAMETER(hSession);
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UNREFERENCED_PARAMETER(ppUIContextData);
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UNREFERENCED_PARAMETER(pdwUIContextDataSize);
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throw win_runtime_error(ERROR_NOT_SUPPORTED, __FUNCTION__ " Not supported.");
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}
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void eap::peer_ttls::set_ui_context(
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_In_ EAP_SESSION_HANDLE hSession,
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_In_count_(dwUIContextDataSize) const BYTE *pUIContextData,
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_In_ DWORD dwUIContextDataSize,
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_In_ const EapPeerMethodOutput *pEapOutput)
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{
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UNREFERENCED_PARAMETER(hSession);
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UNREFERENCED_PARAMETER(pUIContextData);
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UNREFERENCED_PARAMETER(dwUIContextDataSize);
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UNREFERENCED_PARAMETER(pEapOutput);
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throw win_runtime_error(ERROR_NOT_SUPPORTED, __FUNCTION__ " Not supported.");
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}
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void eap::peer_ttls::get_response_attributes(
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_In_ EAP_SESSION_HANDLE hSession,
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_Inout_ EapAttributes *pAttribs)
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{
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UNREFERENCED_PARAMETER(hSession);
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UNREFERENCED_PARAMETER(pAttribs);
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throw win_runtime_error(ERROR_NOT_SUPPORTED, __FUNCTION__ " Not supported.");
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}
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void eap::peer_ttls::set_response_attributes(
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_In_ EAP_SESSION_HANDLE hSession,
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_In_ const EapAttributes *pAttribs,
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_Inout_ EapPeerMethodOutput *pEapOutput)
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{
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UNREFERENCED_PARAMETER(hSession);
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UNREFERENCED_PARAMETER(pAttribs);
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UNREFERENCED_PARAMETER(pEapOutput);
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throw win_runtime_error(ERROR_NOT_SUPPORTED, __FUNCTION__ " Not supported.");
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}
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