TclTLS
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SHA1: 0d55961d2fde5d15fb3e4ba086d34828d919adf6
User & Date: stanton on 2000-06-01 22:34:01
Other Links: manifest | tags
Context
2000-06-02
05:14
Removed printf check-in: fa28281e24 user: welch tags: trunk
2000-06-01
22:34
*** empty log message *** check-in: 0d55961d2f user: stanton tags: trunk
19:26
*** empty log message *** check-in: a16da7868e user: stanton tags: trunk
Changes
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Modified ChangeLog from [77b95843ac] to [5ef64b5c12]. 








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2000-06-01  Scott Stanton  <[email protected]>

	* tlsIO.c: Restored call to Tcl_NotifyChannel from ChannelHandler
	to ensure that events propagate from the lower driver.  This may
	result in an infinite loop in some cases, so this is not a total
	fix.  This may be sufficient for now, however. [Bug: 5623]

2000-06-01  Scott Stanton  <[email protected]>

	* tlsIO.c: Restore the previous version.  Fixed the CloseProc so
	it unregisters the channel handler on the superceded channel
	instead of the upper channel. Also removed the call to
	Tcl_NotifyChannel in the ChannelHandler because this will result
	in an infinite loop if data is ever buffered in the BIO




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Modified tlsIO.c
from [e27842c796]
to [f528e682ea].



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/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.4 2000/06/01 19:26:02 stanton Exp $
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.5 2000/06/01 22:34:01 stanton Exp $
 *
 * TLS (aka SSL) Channel - can be layered on any bi-directional
 * Tcl_Channel (Note: Requires Trf Core Patch)
 *
 * This was built from scratch based upon observation of OpenSSL 0.9.2B
 *
 * Addition credit is due for Andreas Kupries ([email protected]), for




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    if (BIO_wpending(statePtr->bio)) {
	mask |= TCL_WRITABLE;
    }
    if (BIO_pending(statePtr->bio)) {
	mask |= TCL_READABLE;
    }

    /*
     * The following NotifyChannel calls seems to be important, but
     * we don't know why.  It looks like if the mask is ever non-zero
     * that it will enter an infinite loop.
     */

    if (mask & TCL_WRITABLE) {
	fprintf(stderr, "ChannelHandler: mask is writable\n");
    }
    if (mask & TCL_READABLE) {
	fprintf(stderr, "ChannelHandler: mask is readable\n");
    }

    /*
     * Notify the upper channel of the current BIO state so the event
     * continues to propagate up the chain.
     *
     * stanton: It looks like this could result in an infinite loop if
     * the upper channel doesn't cause ChannelHandler to be removed
     * before Tcl_NotifyChannel calls channel handlers on the lower channel.
     */
    
    Tcl_NotifyChannel(statePtr->self, mask);
    
    if (statePtr->timer != (Tcl_TimerToken)NULL) {
	Tcl_DeleteTimerHandler(statePtr->timer);
	statePtr->timer = (Tcl_TimerToken)NULL;
    }
    if ((mask & TCL_READABLE) && Tcl_InputBuffered (statePtr->self) > 0) {
	/*
	 * Data is waiting, flush it out in short time




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