C
C
Revert a TLS Connection to Plain TCP
See more Socket/SSL/TLS Examples
Demonstrates Socket.ConvertFromSsl, which ends the TLS layer while leaving the underlying TCP connection open for subsequent unencrypted communication.
Background. This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is currently active on the connection.
Chilkat C Downloads
#include <C_CkSocket.h>
void ChilkatSample(void)
{
BOOL success;
HCkSocket socket;
BOOL bTls;
int maxWaitMs;
success = FALSE;
socket = CkSocket_Create();
// Connect to the server using TLS.
bTls = TRUE;
maxWaitMs = 5000;
success = CkSocket_Connect(socket,"example.com",5000,bTls,maxWaitMs);
if (success == FALSE) {
printf("%s\n",CkSocket_lastErrorText(socket));
CkSocket_Dispose(socket);
return;
}
// End the TLS layer while keeping the underlying TCP connection open for subsequent unencrypted
// communication. This is the reverse of a STARTTLS-style upgrade and is valid only while TLS is
// active.
success = CkSocket_ConvertFromSsl(socket);
if (success == FALSE) {
printf("%s\n",CkSocket_lastErrorText(socket));
CkSocket_Dispose(socket);
return;
}
printf("Reverted to a plain TCP connection.\n");
CkSocket_Dispose(socket);
}