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author | madmaxoft <github@xoft.cz> | 2014-04-27 22:27:53 +0200 |
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committer | madmaxoft <github@xoft.cz> | 2014-04-27 22:27:53 +0200 |
commit | 0bdc49221b325feb3a09988737559361fe916be2 (patch) | |
tree | 4d534326cc07ce4898bb74cfe7a3275c7bdc931e /src/PolarSSL++/CallbackSslContext.h | |
parent | cSocket creates the socket in Connect if no socket is present yet. (diff) | |
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Diffstat (limited to 'src/PolarSSL++/CallbackSslContext.h')
-rw-r--r-- | src/PolarSSL++/CallbackSslContext.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/PolarSSL++/CallbackSslContext.h b/src/PolarSSL++/CallbackSslContext.h new file mode 100644 index 000000000..4e4c1ed7f --- /dev/null +++ b/src/PolarSSL++/CallbackSslContext.h @@ -0,0 +1,61 @@ + +// CallbackSslContext.h + +// Declares the cCallbackSslContext class representing a SSL context wrapper that uses callbacks to read and write SSL peer data + + + + + +#pragma once + +#include "SslContext.h" + + + + + +class cCallbackSslContext : + public cSslContext +{ +public: + /** Interface used as a data sink for the SSL peer data. */ + class cDataCallbacks + { + public: + /** Called when PolarSSL wants to read encrypted data from the SSL peer. + The returned value is the number of bytes received, or a PolarSSL error on failure. + The implementation can return POLARSSL_ERR_NET_WANT_READ or POLARSSL_ERR_NET_WANT_WRITE to indicate + that there's currently no more data and that there might be more data in the future. In such cases the + SSL operation that invoked this call will terminate with the same return value, so that the owner is + notified of this condition and can potentially restart the operation later on. */ + virtual int ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes) = 0; + + /** Called when PolarSSL wants to write encrypted data to the SSL peer. + The returned value is the number of bytes sent, or a PolarSSL error on failure. + The implementation can return POLARSSL_ERR_NET_WANT_READ or POLARSSL_ERR_NET_WANT_WRITE to indicate + that there's currently no more data and that there might be more data in the future. In such cases the + SSL operation that invoked this call will terminate with the same return value, so that the owner is + notified of this condition and can potentially restart the operation later on. */ + virtual int SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes) = 0; + } ; + + + /** Creates a new SSL context with no callbacks assigned */ + cCallbackSslContext(void); + + /** Creates a new SSL context with the specified callbacks */ + cCallbackSslContext(cDataCallbacks & a_Callbacks); + +protected: + /** The callbacks to use to send and receive SSL peer data */ + cDataCallbacks * m_Callbacks; + + // cSslContext overrides: + virtual int ReceiveEncrypted(unsigned char * a_Buffer, size_t a_NumBytes) override; + virtual int SendEncrypted(const unsigned char * a_Buffer, size_t a_NumBytes) override; +}; + + + + |