diff options
Diffstat (limited to 'src/PolarSSL++/BufferedSslContext.cpp')
-rw-r--r-- | src/PolarSSL++/BufferedSslContext.cpp | 93 |
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; +} + + + + |