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authorarchshift <admin@archshift.com>2014-07-29 22:04:00 +0200
committerarchshift <admin@archshift.com>2014-07-29 22:04:00 +0200
commita9b597087b56b4526a3f6447789ba141568575a1 (patch)
treea08542d77b5668a25ca5e00492577ed6f4d61a9a /src/PolarSSL++/BufferedSslContext.cpp
parentSpacing fixes and a few more BLOCK_META constants. (diff)
parentSlight cleanup after portals (diff)
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Diffstat (limited to 'src/PolarSSL++/BufferedSslContext.cpp')
-rw-r--r--src/PolarSSL++/BufferedSslContext.cpp93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/PolarSSL++/BufferedSslContext.cpp b/src/PolarSSL++/BufferedSslContext.cpp
new file mode 100644
index 000000000..9f7caeb8a
--- /dev/null
+++ b/src/PolarSSL++/BufferedSslContext.cpp
@@ -0,0 +1,93 @@
+
+// BufferedSslContext.cpp
+
+// Implements the cBufferedSslContext class representing a SSL context with the SSL peer data backed by a cByteBuffer
+
+#include "Globals.h"
+#include "BufferedSslContext.h"
+
+
+
+
+
+cBufferedSslContext::cBufferedSslContext(size_t a_BufferSize):
+ m_OutgoingData(a_BufferSize),
+ m_IncomingData(a_BufferSize)
+{
+}
+
+
+
+
+
+size_t cBufferedSslContext::WriteIncoming(const void * a_Data, size_t a_NumBytes)
+{
+ size_t NumBytes = std::min(m_IncomingData.GetFreeSpace(), a_NumBytes);
+ if (NumBytes > 0)
+ {
+ m_IncomingData.Write(a_Data, NumBytes);
+ return NumBytes;
+ }
+ return 0;
+}
+
+
+
+
+
+size_t cBufferedSslContext::ReadOutgoing(void * a_Data, size_t a_DataMaxSize)
+{
+ size_t NumBytes = std::min(m_OutgoingData.GetReadableSpace(), a_DataMaxSize);
+ if (NumBytes > 0)
+ {
+ m_OutgoingData.ReadBuf(a_Data, NumBytes);
+ m_OutgoingData.CommitRead();
+ return NumBytes;
+ }
+ return 0;
+}
+
+
+
+
+
+int cBufferedSslContext::ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes)
+{
+ // Called when PolarSSL wants to read encrypted data from the SSL peer
+ // Read the data from the buffer inside this object, where the owner has stored them using WriteIncoming():
+ size_t NumBytes = std::min(a_NumBytes, m_IncomingData.GetReadableSpace());
+ if (NumBytes == 0)
+ {
+ return POLARSSL_ERR_NET_WANT_READ;
+ }
+ if (!m_IncomingData.ReadBuf(a_Buffer, NumBytes))
+ {
+ m_IncomingData.ResetRead();
+ return POLARSSL_ERR_NET_RECV_FAILED;
+ }
+ m_IncomingData.CommitRead();
+ return (int)NumBytes;
+}
+
+
+
+
+
+int cBufferedSslContext::SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes)
+{
+ // Called when PolarSSL wants to write encrypted data to the SSL peer
+ // Write the data into the buffer inside this object, where the owner can later read them using ReadOutgoing():
+ if (!m_OutgoingData.CanWriteBytes(a_NumBytes))
+ {
+ return POLARSSL_ERR_NET_WANT_WRITE;
+ }
+ if (!m_OutgoingData.Write((const char *)a_Buffer, a_NumBytes))
+ {
+ return POLARSSL_ERR_NET_SEND_FAILED;
+ }
+ return (int)a_NumBytes;
+}
+
+
+
+