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authorTiger Wang <ziwei.tiger@hotmail.co.uk>2014-05-04 15:15:10 +0200
committerTiger Wang <ziwei.tiger@hotmail.co.uk>2014-05-04 15:15:10 +0200
commit0d1804e439ec0028be4d5380e66c13481781fc57 (patch)
tree95d4c3ab397568f36832cf27cf98c351e9d22e4d /src/PolarSSL++/BlockingSslClientSocket.h
parentFixed lever and button powering direction (diff)
parentFixed pressure plate oversights (diff)
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diff --git a/src/PolarSSL++/BlockingSslClientSocket.h b/src/PolarSSL++/BlockingSslClientSocket.h
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+++ b/src/PolarSSL++/BlockingSslClientSocket.h
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+
+// BlockingSslClientSocket.h
+
+// Declares the cBlockingSslClientSocket class representing a blocking TCP socket with client SSL encryption over it
+
+
+
+
+
+#pragma once
+
+#include "CallbackSslContext.h"
+#include "../OSSupport/Socket.h"
+
+
+
+
+
+class cBlockingSslClientSocket :
+ protected cCallbackSslContext::cDataCallbacks
+{
+public:
+ cBlockingSslClientSocket(void);
+
+ /** Connects to the specified server and performs SSL handshake.
+ Returns true if successful, false on failure. Sets internal error text on failure. */
+ bool Connect(const AString & a_ServerName, UInt16 a_Port);
+
+ /** Sends the specified data over the connection.
+ Returns true if successful, false on failure. Sets the internal error text on failure. */
+ bool Send(const void * a_Data, size_t a_NumBytes);
+
+ /** Receives data from the connection.
+ Blocks until there is any data available, then returns as much as possible.
+ Returns the number of bytes actually received, negative number on failure.
+ Sets the internal error text on failure. */
+ int Receive(void * a_Data, size_t a_MaxBytes);
+
+ /** Disconnects the connection gracefully, if possible.
+ Note that this also frees the internal SSL context, so all the certificates etc. are lost. */
+ void Disconnect(void);
+
+ /** Sets the root certificates that are to be trusted. Forces the connection to use strict cert
+ verification. Needs to be used before calling Connect().
+ a_ExpectedPeerName is the name that we expect to receive in the SSL peer's cert; verification will fail if
+ the presented name is different (possible MITM).
+ Returns true on success, false on failure. Sets internal error text on failure. */
+ bool SetTrustedRootCertsFromString(const AString & a_CACerts, const AString & a_ExpectedPeerName);
+
+ /** Returns the text of the last error that has occurred in this instance. */
+ const AString & GetLastErrorText(void) const { return m_LastErrorText; }
+
+protected:
+ /** The SSL context used for the socket */
+ cCallbackSslContext m_Ssl;
+
+ /** The underlying socket to the SSL server */
+ cSocket m_Socket;
+
+ /** The trusted CA root cert store, if we are to verify the cert strictly. Set by SetTrustedRootCertsFromString(). */
+ cX509CertPtr m_CACerts;
+
+ /** The expected SSL peer's name, if we are to verify the cert strictly. Set by SetTrustedRootCertsFromString(). */
+ AString m_ExpectedPeerName;
+
+ /** Text of the last error that has occurred. */
+ AString m_LastErrorText;
+
+ /** Set to true if the connection established successfully. */
+ bool m_IsConnected;
+
+
+ // cCallbackSslContext::cDataCallbacks 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;
+} ;
+
+
+
+