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authorThanos Doukoudakis <thanos.doukoudakis@isode.com>2017-08-14 16:08:44 (GMT)
committerThanos Doukoudakis <thanos.doukoudakis@isode.com>2017-08-15 08:48:42 (GMT)
commit2b6a7dfacc10644c1c6c79e59c953ad1537bd161 (patch)
tree9cb5170b99d3db0fd91bc9c170edb5375ca1ddda /Swiften/TLS/Schannel/SchannelContext.cpp
parentc5aa27ee869cc4859e494bde8ddf7da60e177f40 (diff)
downloadswift-2b6a7dfacc10644c1c6c79e59c953ad1537bd161.zip
swift-2b6a7dfacc10644c1c6c79e59c953ad1537bd161.tar.bz2
Improve Swift’s interactions with Smart Cards
This patch improves logging and refactors SchannelContext and CAPICertificate classes, to improve logging and how Swift interacts with smart cards. Test-Information: Tested on Windows 10 (Qt 5.7) Change-Id: Ic4d306beafb9e5d253731769f222e6949995d5e7
Diffstat (limited to 'Swiften/TLS/Schannel/SchannelContext.cpp')
-rw-r--r--Swiften/TLS/Schannel/SchannelContext.cpp27
1 files changed, 20 insertions, 7 deletions
diff --git a/Swiften/TLS/Schannel/SchannelContext.cpp b/Swiften/TLS/Schannel/SchannelContext.cpp
index 5799157..c07d009 100644
--- a/Swiften/TLS/Schannel/SchannelContext.cpp
+++ b/Swiften/TLS/Schannel/SchannelContext.cpp
@@ -16,6 +16,7 @@
#include <WinHTTP.h> /* For SECURITY_FLAG_IGNORE_CERT_CN_INVALID */
+#include <Swiften/Base/Log.h>
#include <Swiften/TLS/CAPICertificate.h>
#include <Swiften/TLS/Schannel/SchannelCertificate.h>
@@ -39,13 +40,20 @@ SchannelContext::SchannelContext(bool tls1_0Workaround) : state_(Start), secCont
//------------------------------------------------------------------------
SchannelContext::~SchannelContext() {
- if (myCertStore_) CertCloseStore(myCertStore_, 0);
+ SWIFT_LOG(debug) << "Destroying SchannelContext" << std::endl;
+ if (myCertStore_) {
+ if (CertCloseStore(myCertStore_, 0) == FALSE) {
+ SWIFT_LOG(debug) << "Failed to close the certificate store" << std::endl;
+ }
+ }
}
//------------------------------------------------------------------------
void SchannelContext::determineStreamSizes() {
- QueryContextAttributes(contextHandle_, SECPKG_ATTR_STREAM_SIZES, &streamSizes_);
+ if (QueryContextAttributes(contextHandle_, SECPKG_ATTR_STREAM_SIZES, &streamSizes_) != SEC_E_OK) {
+ SWIFT_LOG(debug) << "QueryContextAttributes failed to determinate the stream size" << std::endl;
+ }
}
//------------------------------------------------------------------------
@@ -267,8 +275,8 @@ void SchannelContext::continueHandshake(const SafeByteArray& data) {
SecBuffer inBuffers[2];
// Provide Schannel with the remote host's handshake data
- inBuffers[0].pvBuffer = (char*)(&receivedData_[0]);
- inBuffers[0].cbBuffer = (unsigned long)receivedData_.size();
+ inBuffers[0].pvBuffer = static_cast<char*>(&receivedData_[0]);
+ inBuffers[0].cbBuffer = static_cast<unsigned long>(receivedData_.size());
inBuffers[0].BufferType = SECBUFFER_TOKEN;
inBuffers[1].pvBuffer = NULL;
@@ -483,8 +491,8 @@ void SchannelContext::decryptAndProcessData(const SafeByteArray& data) {
// contexts. Additionally, a second SECBUFFER_TOKEN type buffer that contains a security token
// must also be supplied.
//
- inBuffers[0].pvBuffer = (char*)(&receivedData_[0]);
- inBuffers[0].cbBuffer = (unsigned long)receivedData_.size();
+ inBuffers[0].pvBuffer = static_cast<char*>(&receivedData_[0]);
+ inBuffers[0].cbBuffer = static_cast<unsigned long>(receivedData_.size());
inBuffers[0].BufferType = SECBUFFER_DATA;
inBuffers[1].BufferType = SECBUFFER_EMPTY;
@@ -578,7 +586,7 @@ void SchannelContext::encryptAndSendData(const SafeByteArray& data) {
outBuffers[0].BufferType = SECBUFFER_STREAM_HEADER;
outBuffers[1].pvBuffer = &sendBuffer[0] + streamSizes_.cbHeader;
- outBuffers[1].cbBuffer = (unsigned long)bytesToSend;
+ outBuffers[1].cbBuffer = static_cast<unsigned long>(bytesToSend);
outBuffers[1].BufferType = SECBUFFER_DATA;
outBuffers[2].pvBuffer = &sendBuffer[0] + streamSizes_.cbHeader + bytesToSend;
@@ -645,6 +653,7 @@ std::vector<Certificate::ref> SchannelContext::getPeerCertificateChain() const {
SECURITY_STATUS status = QueryContextAttributes(contextHandle_, SECPKG_ATTR_REMOTE_CERT_CONTEXT, pServerCert.Reset());
if (status != SEC_E_OK) {
+ SWIFT_LOG(debug) << "Error while Querying the Certificate Chain" << std::endl;
return certificateChain;
}
certificateChain.push_back(std::make_shared<SchannelCertificate>(pServerCert));
@@ -678,6 +687,10 @@ ByteArray SchannelContext::getFinishMessage() const {
if (ret == SEC_E_OK) {
return createByteArray(((unsigned char*) bindings.Bindings) + bindings.Bindings->dwApplicationDataOffset + 11 /* tls-unique:*/, bindings.Bindings->cbApplicationDataLength - 11);
}
+ else {
+ SWIFT_LOG(debug) << "Error while retrieving Finish Message" << std::endl;
+ }
+
return ByteArray();
}