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| author | Thanos Doukoudakis <thanos.doukoudakis@isode.com> | 2017-08-14 16:08:44 (GMT) |
|---|---|---|
| committer | Thanos Doukoudakis <thanos.doukoudakis@isode.com> | 2017-08-15 08:48:42 (GMT) |
| commit | 2b6a7dfacc10644c1c6c79e59c953ad1537bd161 (patch) | |
| tree | 9cb5170b99d3db0fd91bc9c170edb5375ca1ddda /Swiften/TLS/Schannel/SchannelContext.cpp | |
| parent | c5aa27ee869cc4859e494bde8ddf7da60e177f40 (diff) | |
| download | swift-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.cpp | 27 |
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(); } |