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/*
* Copyright (C) 1997-1999 Matt Newman <[email protected]>
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.3 2000/05/04 20:40:40 aborr Exp $
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.4 2000/06/05 18:09:53 welch Exp $
*
* TLS (aka SSL) Channel - can be layered on any bi-directional
* Tcl_Channel (Note: Requires Trf Core Patch)
*
* This was built (almost) from scratch based upon observation of
* OpenSSL 0.9.2B
*
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(TCL_READABLE | TCL_WRITABLE), statePtr->parent);
#else
statePtr->self = chan;
Tcl_StackChannel( interp, Tls_ChannelType(), (ClientData) statePtr,
(TCL_READABLE | TCL_WRITABLE), chan);
#endif
if (statePtr->self == (Tcl_Channel) NULL) {
Tls_Free(statePtr);
Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free);
/* Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free); */
return TCL_ERROR;
}
/* allocate script */
if (script) {
char * tmp = Tcl_GetStringFromObj(script, NULL);
if (tmp && *tmp) {
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statePtr->ssl = SSL_new(statePtr->ctx);
if (!statePtr->ssl) {
/* SSL library error */
Tcl_AppendResult(interp,
"couldn't construct ssl session: ", REASON(),
(char *) NULL);
Tls_Free(statePtr);
Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free);
/* Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free); */
return TCL_ERROR;
}
/*
* SSL Callbacks
*/
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*-------------------------------------------------------------------
*/
void
Tls_Free( char *blockPtr )
{
State *statePtr = (State *)blockPtr;
Tls_Clean(blockPtr);
Tcl_Free((char *)statePtr);
}
/*
*-------------------------------------------------------------------
*
* Tls_Clean --
*
* This procedure cleans up when a SSL socket based channel
* is closed and its reference count falls below 1. This should
* be called synchronously by the CloseProc, not in the
* EventuallyFree callback.
*
* Results:
* none
*
* Side effects:
* Frees all the state
*
*-------------------------------------------------------------------
*/
void
Tls_Clean( char *blockPtr )
{
State *statePtr = (State *)blockPtr;
/* we're assuming here that we're single-threaded */
if (statePtr->ssl) {
SSL_shutdown(statePtr->ssl);
SSL_free(statePtr->ssl);
statePtr->ssl = NULL;
}
if (statePtr->callback)
if (statePtr->callback) {
Tcl_DecrRefCount(statePtr->callback);
statePtr->callback = NULL;
if (statePtr->timer != (Tcl_TimerToken)NULL)
}
if (statePtr->timer != (Tcl_TimerToken)NULL) {
Tcl_DeleteTimerHandler (statePtr->timer);
statePtr->timer = NULL;
Tcl_Free((char *)statePtr);
}
}
/*
*-------------------------------------------------------------------
*
* Tls_Init --
*
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