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/*
* Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
*
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.1.1.1 2000/01/19 22:10:58 aborr Exp $
* $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.2 2000/01/20 01:50:55 aborr 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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if (request) verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
if (request && require) verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
if (verify == 0) verify = SSL_VERIFY_NONE;
proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
proto |= (tls1 ? TLS_PROTO_TLS1 : 0);
/* reset to NULL if blank string provided */
if (cert && !*cert) cert = NULL;
if (key && !*key) key = NULL;
if (ciphers && !*ciphers) ciphers = NULL;
if (CAfile && !*CAfile) CAfile = NULL;
if (CAdir && !*CAdir) CAdir = NULL;
if (model != NULL) {
int mode;
/* Get the "model" context */
chan = Tcl_GetChannel( interp, model, &mode);
if (chan == (Tcl_Channel)0) {
return TCL_ERROR;
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