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freeswitch/src/mod/applications/mod_signalwire/cacert.cpp

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3.0 KiB
C++

/*
* cacert.cpp -- CA Certificate for cURL on Windows
*
* Copyright (c) 2018 SignalWire, Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifdef WIN32
#include <switch.h>
#include <switch_curl.h>
#include <switch_ssl.h>
#include <vector>
#include <wincrypt.h>
std::vector<X509*> m_trustedCertificateList;
SWITCH_BEGIN_EXTERN_C
static void addCertificatesForStore(LPCSTR name)
{
HCERTSTORE storeHandle = CertOpenSystemStore(NULL, name);
if (storeHandle == nullptr) {
return;
}
PCCERT_CONTEXT windowsCertificate = CertEnumCertificatesInStore(storeHandle, nullptr);
while (windowsCertificate != nullptr) {
X509 *opensslCertificate = d2i_X509(nullptr, const_cast<unsigned char const **>(&windowsCertificate->pbCertEncoded), windowsCertificate->cbCertEncoded);
if (opensslCertificate == nullptr) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "A certificate could not be converted.\n");
} else {
m_trustedCertificateList.push_back(opensslCertificate);
}
windowsCertificate = CertEnumCertificatesInStore(storeHandle, windowsCertificate);
}
CertCloseStore(storeHandle, 0);
}
static void setupSslContext(SSL_CTX* context)
{
X509_STORE* certStore = SSL_CTX_get_cert_store(context);
for (X509 *x509 : m_trustedCertificateList) {
X509_STORE_add_cert(certStore, x509);
}
}
void sslLoadWindowsCACertificate() {
if (m_trustedCertificateList.empty()) {
addCertificatesForStore("CA");
addCertificatesForStore("AuthRoot");
addCertificatesForStore("ROOT");
}
}
void sslUnLoadWindowsCACertificate()
{
for (X509 *x509 : m_trustedCertificateList) {
X509_free(x509);
}
m_trustedCertificateList.clear();
}
int sslContextFunction(void* curl, void* sslctx, void* userdata)
{
setupSslContext(reinterpret_cast<SSL_CTX *>(sslctx));
return CURLE_OK;
}
SWITCH_END_EXTERN_C
#endif
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