/*
 * Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
 * some modifications:
 *	Copyright (C) 2000 Ajuba Solutions
 *	Copyright (C) 2002 ActiveState Corporation
 *	Copyright (C) 2004 Starfish Systems 
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.24 2004/12/17 16:01:44 patthoyts 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
 *

    Tcl_ListObjAppendElement( statePtr->interp, cmdPtr,
	    Tcl_NewStringObj( errStr ? errStr : "", -1) );

    Tcl_Preserve( (ClientData) statePtr->interp);
    Tcl_Preserve( (ClientData) statePtr);



    Tcl_IncrRefCount( cmdPtr);
    if (Tcl_GlobalEvalObj(statePtr->interp, cmdPtr) != TCL_OK) {
	/* It got an error - reject the certificate.		*/
	Tcl_BackgroundError( statePtr->interp);
	ok = 0;
    } else {
	result = Tcl_GetObjResult(statePtr->interp);
	string = Tcl_GetStringFromObj(result, &length);
	/* An empty result leaves verification unchanged.	*/
	if (length > 0) {
	    if (Tcl_GetIntFromObj(statePtr->interp, result, &ok) != TCL_OK) {
		Tcl_BackgroundError(statePtr->interp);
		ok = 0;
	    }
	}
    }
    Tcl_DecrRefCount( cmdPtr);



    Tcl_Release( (ClientData) statePtr);
    Tcl_Release( (ClientData) statePtr->interp);

    return(ok);	/* By default, leave verification unchanged.	*/
}


    if (key && !*key)		key	= NULL;
    if (ciphers && !*ciphers)	ciphers	= NULL;
    if (CAfile && !*CAfile)	CAfile	= NULL;
    if (CAdir && !*CAdir)	CAdir	= NULL;

    /* new SSL state */
    statePtr		= (State *) ckalloc((unsigned) sizeof(State));
    statePtr->self	= (Tcl_Channel)NULL;
    statePtr->timer	= (Tcl_TimerToken)NULL;

    statePtr->flags	= flags;
    statePtr->watchMask	= 0;
    statePtr->mode	= 0;

    statePtr->interp	= interp;
    statePtr->callback	= (Tcl_Obj *)0;
    statePtr->password	= (Tcl_Obj *)0;

    statePtr->vflags	= verify;
    statePtr->ssl	= (SSL*)0;
    statePtr->ctx	= (SSL_CTX*)0;
    statePtr->bio	= (BIO*)0;
    statePtr->p_bio	= (BIO*)0;

    statePtr->err	= "";

    /* allocate script */
    if (script) {
	char *tmp = Tcl_GetStringFromObj(script, NULL);
	if (tmp && *tmp) {
	    statePtr->callback = Tcl_DuplicateObj(script);