GEANTLink/lib/TLS/src/Config.cpp

285 lines
10 KiB
C++

/*
Copyright 2015-2016 Amebis
Copyright 2016 GÉANT
This file is part of GÉANTLink.
GÉANTLink is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GÉANTLink is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GÉANTLink. If not, see <http://www.gnu.org/licenses/>.
*/
#include "StdAfx.h"
#pragma comment(lib, "Cryptui.lib")
using namespace std;
using namespace winstd;
//////////////////////////////////////////////////////////////////////
// eap::get_cert_title
//////////////////////////////////////////////////////////////////////
tstring eap::get_cert_title(PCCERT_CONTEXT cert)
{
tstring name, str, issuer, title;
FILETIME ft;
SYSTEMTIME st;
// Prepare certificate information
CertGetNameString(cert, CERT_NAME_SIMPLE_DISPLAY_TYPE, 0, NULL, name);
title += name;
FileTimeToLocalFileTime(&(cert->pCertInfo->NotBefore), &ft);
FileTimeToSystemTime(&ft, &st);
GetDateFormat(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, NULL, str);
title += _T(", ");
title += str;
FileTimeToLocalFileTime(&(cert->pCertInfo->NotAfter ), &ft);
FileTimeToSystemTime(&ft, &st);
GetDateFormat(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &st, NULL, str);
title += _T('-');
title += str;
CertGetNameString(cert, CERT_NAME_SIMPLE_DISPLAY_TYPE, CERT_NAME_ISSUER_FLAG, NULL, issuer);
if (name != issuer) {
title += _T(", ");
title += issuer;
}
return title;
}
//////////////////////////////////////////////////////////////////////
// eap::config_method_tls
//////////////////////////////////////////////////////////////////////
eap::config_method_tls::config_method_tls(_In_ module &mod) : config_method_with_cred(mod)
{
m_preshared.reset(new credentials_tls(mod));
}
eap::config_method_tls::config_method_tls(_In_ const config_method_tls &other) :
m_trusted_root_ca(other.m_trusted_root_ca),
m_server_names(other.m_server_names),
config_method_with_cred(other)
{
}
eap::config_method_tls::config_method_tls(_Inout_ config_method_tls &&other) :
m_trusted_root_ca(std::move(other.m_trusted_root_ca)),
m_server_names(std::move(other.m_server_names)),
config_method_with_cred(std::move(other))
{
}
eap::config_method_tls& eap::config_method_tls::operator=(_In_ const config_method_tls &other)
{
if (this != &other) {
(config_method_with_cred&)*this = other;
m_trusted_root_ca = other.m_trusted_root_ca;
m_server_names = other.m_server_names;
}
return *this;
}
eap::config_method_tls& eap::config_method_tls::operator=(_Inout_ config_method_tls &&other)
{
if (this != &other) {
(config_method_with_cred&&)*this = std::move(other);
m_trusted_root_ca = std::move(other.m_trusted_root_ca);
m_server_names = std::move(other.m_server_names);
}
return *this;
}
eap::config* eap::config_method_tls::clone() const
{
return new config_method_tls(*this);
}
void eap::config_method_tls::save(_In_ IXMLDOMDocument *pDoc, _In_ IXMLDOMNode *pConfigRoot) const
{
assert(pDoc);
assert(pConfigRoot);
config_method_with_cred::save(pDoc, pConfigRoot);
const bstr bstrNamespace(L"urn:ietf:params:xml:ns:yang:ietf-eap-metadata");
HRESULT hr;
// <ServerSideCredential>
com_obj<IXMLDOMElement> pXmlElServerSideCredential;
if (FAILED(hr = eapxml::create_element(pDoc, pConfigRoot, bstr(L"eap-metadata:ServerSideCredential"), bstr(L"ServerSideCredential"), bstrNamespace, &pXmlElServerSideCredential)))
throw com_runtime_error(hr, __FUNCTION__ " Error creating <ServerSideCredential> element.");
for (list<cert_context>::const_iterator i = m_trusted_root_ca.begin(), i_end = m_trusted_root_ca.end(); i != i_end; ++i) {
// <CA>
com_obj<IXMLDOMElement> pXmlElCA;
if (FAILED(hr = eapxml::create_element(pDoc, bstr(L"CA"), bstrNamespace, &pXmlElCA)))
throw com_runtime_error(hr, __FUNCTION__ " Error creating <CA> element.");
// <CA>/<format>
if (FAILED(hr = eapxml::put_element_value(pDoc, pXmlElCA, bstr(L"format"), bstrNamespace, bstr(L"PEM"))))
throw com_runtime_error(hr, __FUNCTION__ " Error creating <format> element.");
// <CA>/<cert-data>
const cert_context &cc = *i;
if (FAILED(hr = eapxml::put_element_base64(pDoc, pXmlElCA, bstr(L"cert-data"), bstrNamespace, cc->pbCertEncoded, cc->cbCertEncoded)))
throw com_runtime_error(hr, __FUNCTION__ " Error creating <cert-data> element.");
if (FAILED(hr = pXmlElServerSideCredential->appendChild(pXmlElCA, NULL)))
throw com_runtime_error(hr, __FUNCTION__ " Error appending <CA> element.");
}
// <ServerName>
for (list<wstring>::const_iterator i = m_server_names.begin(), i_end = m_server_names.end(); i != i_end; ++i) {
if (FAILED(hr = eapxml::put_element_value(pDoc, pXmlElServerSideCredential, bstr(L"ServerName"), bstrNamespace, bstr(*i))))
throw com_runtime_error(hr, __FUNCTION__ " Error creating <ServerName> element.");
}
}
void eap::config_method_tls::load(_In_ IXMLDOMNode *pConfigRoot)
{
assert(pConfigRoot);
config_method_with_cred::load(pConfigRoot);
std::wstring xpath(eapxml::get_xpath(pConfigRoot));
m_trusted_root_ca.clear();
m_server_names.clear();
// <ServerSideCredential>
com_obj<IXMLDOMElement> pXmlElServerSideCredential;
if (SUCCEEDED(eapxml::select_element(pConfigRoot, bstr(L"eap-metadata:ServerSideCredential"), &pXmlElServerSideCredential))) {
std::wstring xpathServerSideCredential(xpath + L"/ServerSideCredential");
// <CA>
com_obj<IXMLDOMNodeList> pXmlListCAs;
long lCACount = 0;
if (SUCCEEDED(eapxml::select_nodes(pXmlElServerSideCredential, bstr(L"eap-metadata:CA"), &pXmlListCAs)) && SUCCEEDED(pXmlListCAs->get_length(&lCACount))) {
for (long j = 0; j < lCACount; j++) {
// Load CA certificate.
com_obj<IXMLDOMNode> pXmlElCA;
pXmlListCAs->get_item(j, &pXmlElCA);
bstr bstrFormat;
if (FAILED(eapxml::get_element_value(pXmlElCA, bstr(L"eap-metadata:format"), &bstrFormat))) {
// <format> not specified.
continue;
}
if (CompareStringEx(LOCALE_NAME_INVARIANT, NORM_IGNORECASE, bstrFormat, bstrFormat.length(), L"PEM", -1, NULL, NULL, 0) != CSTR_EQUAL) {
// Certificate must be PEM encoded.
continue;
}
vector<unsigned char> aData;
if (FAILED(eapxml::get_element_base64(pXmlElCA, bstr(L"eap-metadata:cert-data"), aData))) {
// Error reading <cert-data> element.
continue;
}
add_trusted_ca(X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, aData.data(), (DWORD)aData.size());
}
// Log loaded CA certificates.
list<tstring> cert_names;
for (std::list<winstd::cert_context>::const_iterator cert = m_trusted_root_ca.cbegin(), cert_end = m_trusted_root_ca.cend(); cert != cert_end; ++cert)
cert_names.push_back(std::move(get_cert_title(*cert)));
m_module.log_config((xpathServerSideCredential + L"/CA").c_str(), cert_names);
}
// <ServerName>
com_obj<IXMLDOMNodeList> pXmlListServerIDs;
long lServerIDCount = 0;
if (SUCCEEDED(eapxml::select_nodes(pXmlElServerSideCredential, bstr(L"eap-metadata:ServerName"), &pXmlListServerIDs)) && SUCCEEDED(pXmlListServerIDs->get_length(&lServerIDCount))) {
for (long j = 0; j < lServerIDCount; j++) {
// Load server name (<ServerName>).
com_obj<IXMLDOMNode> pXmlElServerID;
pXmlListServerIDs->get_item(j, &pXmlElServerID);
bstr bstrServerID;
pXmlElServerID->get_text(&bstrServerID);
m_server_names.push_back(wstring(bstrServerID));
}
m_module.log_config((xpathServerSideCredential + L"/ServerName").c_str(), m_server_names);
}
}
}
void eap::config_method_tls::operator<<(_Inout_ cursor_out &cursor) const
{
config_method_with_cred::operator<<(cursor);
cursor << m_trusted_root_ca;
cursor << m_server_names ;
}
size_t eap::config_method_tls::get_pk_size() const
{
return
config_method_with_cred::get_pk_size() +
pksizeof(m_trusted_root_ca) +
pksizeof(m_server_names );
}
void eap::config_method_tls::operator>>(_Inout_ cursor_in &cursor)
{
config_method_with_cred::operator>>(cursor);
cursor >> m_trusted_root_ca;
cursor >> m_server_names ;
}
eap_type_t eap::config_method_tls::get_method_id() const
{
return eap_type_tls;
}
bool eap::config_method_tls::add_trusted_ca(_In_ DWORD dwCertEncodingType, _In_ const BYTE *pbCertEncoded, _In_ DWORD cbCertEncoded)
{
cert_context cert;
if (!cert.create(dwCertEncodingType, pbCertEncoded, cbCertEncoded)) {
// Invalid or unsupported certificate.
return false;
}
for (list<cert_context>::const_iterator i = m_trusted_root_ca.cbegin(), i_end = m_trusted_root_ca.cend();; ++i) {
if (i != i_end) {
if (*i == cert) {
// This certificate is already on the list.
return false;
}
} else {
// End of list reached. Append certificate.
m_trusted_root_ca.push_back(std::move(cert));
return true;
}
}
}