Check-in [c34385bbcd]
Overview
Comment: * tls.htm: * tls.c: added support for local certificate status check, as well as returning the # of bits in the session key. [Patch #505698] (rose) * tls.c: * tlsIO.c: * tlsBIO.c: added CONSTs to satisfy Tcl 8.4 sources. This may give warnings when compiled against 8.3, but they can be ignored.
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SHA1: c34385bbcd069ecd4f2a8eeae072ebab4d66fd79
User & Date: hobbs on 2002-02-04 22:46:31
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Context
2003-05-15
20:44
*** empty log message *** check-in: 3631274d64 user: razzell tags: trunk
2002-02-04
22:46
* tls.htm: * tls.c: added support for local certificate status check, as well as returning the # of bits in the session key. [Patch #505698] (rose) * tls.c: * tlsIO.c: * tlsBIO.c: added CONSTs to satisfy Tcl 8.4 sources. This may give warnings when compiled against 8.3, but they can be ignored. check-in: c34385bbcd user: hobbs tags: trunk
22:46
* configure: regen'ed. * configure.in: updated to 1.5.0 for next release. Changed default openssl location to /usr/local/ssl (this is where openssl 0.9.6c installs by default). Changed to use public Tcl headers (private not needed). check-in: 83ee7c76db user: hobbs tags: trunk
Changes

Modified ChangeLog from [d1a7a7f0bf] to [714f578cf0].



























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2001-06-21  Jeff Hobbs  <[email protected]>



	* configure: added configure to CVS
	* configure.in: moved to patchlevel 1.4.1

	* Makefile.in: corrected 'dist' target

	* tests/certs/file.srl:
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2002-02-04  Jeff Hobbs  <[email protected]>

	* tls.htm:
	* tls.c: added support for local certificate status check, as well
	as returning the # of bits in the session key. [Patch #505698] (rose)

	* tls.c:
	* tlsIO.c:
	* tlsBIO.c: added CONSTs to satisfy Tcl 8.4 sources.  This may
	give warnings when compiled against 8.3, but they can be ignored.

	* tests/simpleClient.tcl:
	* tests/simpleServer.tcl: point to updated client/server key files.

	* tests/tlsIO.test:
	* tests/ciphers.test: updated to load tls from build dir.

	* Makefile.in: removed strncasecmp from default object set.  This
	is only needed on the Mac, and Tcl stubs provides it.

	* configure: regen'ed.
	* configure.in: updated to 1.5.0 for next release.
	Changed default openssl location to /usr/local/ssl (this is where
	openssl 0.9.6c installs by default).
	Changed to use public Tcl headers (private not needed).

2001-06-21  Jeff Hobbs  <[email protected]>

	TLS 1.4.1 RELEASE

	* configure: added configure to CVS
	* configure.in: moved to patchlevel 1.4.1

	* Makefile.in: corrected 'dist' target

	* tests/certs/file.srl:

Modified tls.c from [7a7ec2f3d3] to [1f1f2854e3].

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/*
 * Copyright (C) 1997-1999 Matt Newman <[email protected]>

 * Copyright (C) 2000 Ajuba Solutions

 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.13 2001/03/14 22:04:35 hobbs 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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/*
 * Copyright (C) 1997-1999 Matt Newman <[email protected]>
 * some modifications:
 *	Copyright (C) 2000 Ajuba Solutions
 *	Copyright (C) 2002 ActiveState Corporation
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.14 2002/02/04 22:46:31 hobbs 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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#else
static int
PasswordCallback(char *buf, int size, int verify, void *udata)
{
    Tcl_Interp *interp = (Tcl_Interp*)udata;

    if (Tcl_Eval(interp, "tls::password") == TCL_OK) {
	char *ret = Tcl_GetStringResult(interp);
        strncpy(buf, ret, size);
	return strlen(ret);
    } else {
	return -1;
    }
}
#endif







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#else
static int
PasswordCallback(char *buf, int size, int verify, void *udata)
{
    Tcl_Interp *interp = (Tcl_Interp*)udata;

    if (Tcl_Eval(interp, "tls::password") == TCL_OK) {
	CONST char *ret = Tcl_GetStringResult(interp);
        strncpy(buf, ret, size);
	return strlen(ret);
    } else {
	return -1;
    }
}
#endif
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static int
CiphersObjCmd(clientData, interp, objc, objv)
    ClientData clientData;	/* Not used. */
    Tcl_Interp *interp;
    int objc;
    Tcl_Obj	*CONST objv[];
{
    static char *protocols[] = {
	"ssl2",
	"ssl3",
	"tls1",
	NULL
    };
    enum protocol {
	TLS_SSL2,
	TLS_SSL3,
	TLS_TLS1,
	TLS_NONE
    };
    Tcl_Obj *objPtr;
    SSL_CTX *ctx = NULL;
    SSL *ssl = NULL;
    STACK_OF(SSL_CIPHER) *sk;
    char *cp, buf[BUFSIZ];
    int index, verbose = 0;







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static int
CiphersObjCmd(clientData, interp, objc, objv)
    ClientData clientData;	/* Not used. */
    Tcl_Interp *interp;
    int objc;
    Tcl_Obj	*CONST objv[];
{
    static CONST char *protocols[] = {
	"ssl2",	"ssl3",	"tls1",	NULL



    };
    enum protocol {
	TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_NONE



    };
    Tcl_Obj *objPtr;
    SSL_CTX *ctx = NULL;
    SSL *ssl = NULL;
    STACK_OF(SSL_CIPHER) *sk;
    char *cp, buf[BUFSIZ];
    int index, verbose = 0;
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    }
    statePtr = (State *)Tcl_GetChannelInstanceData(chan);

    if (!SSL_is_init_finished(statePtr->ssl)) {
	int err;
	ret = Tls_WaitForConnect(statePtr, &err);
	if (ret < 0) {
	    char *errStr = statePtr->err;
	    Tcl_ResetResult(interp);
	    Tcl_SetErrno(err);

	    if (!errStr || *errStr == 0) {
	        errStr = Tcl_PosixError(interp);
	    }








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    }
    statePtr = (State *)Tcl_GetChannelInstanceData(chan);

    if (!SSL_is_init_finished(statePtr->ssl)) {
	int err;
	ret = Tls_WaitForConnect(statePtr, &err);
	if (ret < 0) {
	    CONST char *errStr = statePtr->err;
	    Tcl_ResetResult(interp);
	    Tcl_SetErrno(err);

	    if (!errStr || *errStr == 0) {
	        errStr = Tcl_PosixError(interp);
	    }

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    }
    SSL_set_bio(statePtr->ssl, statePtr->p_bio, statePtr->p_bio);
    BIO_set_ssl(statePtr->bio, statePtr->ssl, BIO_CLOSE);

    /*
     * End of SSL Init
     */
    Tcl_SetResult(interp, Tcl_GetChannelName(statePtr->self), TCL_VOLATILE);

    return TCL_OK;
}

/*
 *-------------------------------------------------------------------
 *
 * CTX_Init -- construct a SSL_CTX instance







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    }
    SSL_set_bio(statePtr->ssl, statePtr->p_bio, statePtr->p_bio);
    BIO_set_ssl(statePtr->bio, statePtr->ssl, BIO_CLOSE);

    /*
     * End of SSL Init
     */
    Tcl_SetResult(interp, (char *) Tcl_GetChannelName(statePtr->self),
	    TCL_VOLATILE);
    return TCL_OK;
}

/*
 *-------------------------------------------------------------------
 *
 * CTX_Init -- construct a SSL_CTX instance
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    State *statePtr;
    X509 *peer;
    Tcl_Obj *objPtr;
    Tcl_Channel chan;
    char *channelName, *ciphers;
    int mode;

    if (objc != 2) {











        Tcl_WrongNumArgs(interp, 1, objv, "channel");
        return TCL_ERROR;
    }
    channelName = Tcl_GetStringFromObj(objv[1], NULL);

    chan = Tcl_GetChannel(interp, channelName, &mode);
    if (chan == (Tcl_Channel) NULL) {
	return TCL_ERROR;
    }
    if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
	/*
	 * Make sure to operate on the topmost channel
	 */
	chan = Tcl_GetTopChannel(chan);
    }
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
        Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
                "\": not a TLS channel", NULL);
        return TCL_ERROR;
    }
    statePtr	= (State *) Tcl_GetChannelInstanceData(chan);

    peer	= SSL_get_peer_certificate(statePtr->ssl);


    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
    } else {
	objPtr = Tcl_NewListObj(0, NULL);
    }





    ciphers = (char*)SSL_get_cipher(statePtr->ssl);
    if (ciphers != NULL && strcmp(ciphers, "(NONE)")!=0) {
	Tcl_ListObjAppendElement(interp, objPtr,
		Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr,
		Tcl_NewStringObj(SSL_get_cipher(statePtr->ssl), -1));







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    State *statePtr;
    X509 *peer;
    Tcl_Obj *objPtr;
    Tcl_Channel chan;
    char *channelName, *ciphers;
    int mode;

    switch (objc) {
	case 2:
	    channelName = Tcl_GetStringFromObj(objv[1], NULL);
	    break;

	case 3:
	    if (!strcmp (Tcl_GetString (objv[1]), "-local")) {
		channelName = Tcl_GetStringFromObj(objv[2], NULL);
		break;
	    }
	    /* else fall... */
	default:
	    Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
	    return TCL_ERROR;
    }


    chan = Tcl_GetChannel(interp, channelName, &mode);
    if (chan == (Tcl_Channel) NULL) {
	return TCL_ERROR;
    }
    if (channelTypeVersion == TLS_CHANNEL_VERSION_2) {
	/*
	 * Make sure to operate on the topmost channel
	 */
	chan = Tcl_GetTopChannel(chan);
    }
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
        Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
                "\": not a TLS channel", NULL);
        return TCL_ERROR;
    }
    statePtr	= (State *) Tcl_GetChannelInstanceData(chan);
    if (objc == 2)
	peer	= SSL_get_peer_certificate(statePtr->ssl);
    else
	peer	= SSL_get_certificate(statePtr->ssl);
    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
    } else {
	objPtr = Tcl_NewListObj(0, NULL);
    }

    Tcl_ListObjAppendElement (interp, objPtr, Tcl_NewStringObj ("sbits", -1));
    Tcl_ListObjAppendElement (interp, objPtr,
	    Tcl_NewIntObj (SSL_get_cipher_bits (statePtr->ssl, NULL)));

    ciphers = (char*)SSL_get_cipher(statePtr->ssl);
    if (ciphers != NULL && strcmp(ciphers, "(NONE)")!=0) {
	Tcl_ListObjAppendElement(interp, objPtr,
		Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr,
		Tcl_NewStringObj(SSL_get_cipher(statePtr->ssl), -1));

Modified tls.htm from [2c238dd973] to [dd76fd83fe].

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            <dd><b>package require tls </b><em>?1.4?</em></dd>
            <dt>&nbsp;</dt>
            <dd><b>tls::init </b><i>?options?</i> </dd>
            <dd><b>tls::socket </b><em>?options? host port</em></dd>
            <dd><b>tls::socket</b><em> ?-server command?
                ?options? port</em></dd>
            <dd><b>tls::handshake</b><em> channel</em></dd>
            <dd><b>tls::status </b><em>channel</em></dd>
            <dd><b>tls::import</b><em> channel ?options?</em></dd>
            <dd><b>tls::ciphers </b><em>protocol ?verbose?</em></dd>
        </dl>
    </dd>
    <dd><a href="#COMMANDS">COMMANDS</a></dd>
    <dd><a href="#CONFIGURATION OPTIONS">CONFIGURATION OPTIONS</a></dd>
    <dd><a href="#HTTPS EXAMPLE">HTTPS EXAMPLE</a></dd>







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            <dd><b>package require tls </b><em>?1.4?</em></dd>
            <dt>&nbsp;</dt>
            <dd><b>tls::init </b><i>?options?</i> </dd>
            <dd><b>tls::socket </b><em>?options? host port</em></dd>
            <dd><b>tls::socket</b><em> ?-server command?
                ?options? port</em></dd>
            <dd><b>tls::handshake</b><em> channel</em></dd>
            <dd><b>tls::status </b><em>?-local? channel</em></dd>
            <dd><b>tls::import</b><em> channel ?options?</em></dd>
            <dd><b>tls::ciphers </b><em>protocol ?verbose?</em></dd>
        </dl>
    </dd>
    <dd><a href="#COMMANDS">COMMANDS</a></dd>
    <dd><a href="#CONFIGURATION OPTIONS">CONFIGURATION OPTIONS</a></dd>
    <dd><a href="#HTTPS EXAMPLE">HTTPS EXAMPLE</a></dd>
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<p><b>package require Tcl 8.2</b><br>
<b>package require tls 1.4</b><br>
<br>
<a href="#tls::init"><b>tls::init </b><i>?options?</i><br>
</a><a href="#tls::socket"><b>tls::socket </b><em>?options? host
port</em><br>
<b>tls::socket</b><em> ?-server command? ?options? port</em><br>
</a><a href="#tls::status"><b>tls::status </b><em>channel</em><br>
</a><a href="#tls::handshake"><b>tls::handshake</b><em> channel</em></a><br>
<br>
<a href="#tls::import"><b>tls::import </b><i>channel ?options?</i></a><br>
<a href="#tls::ciphers protocol ?verbose?"><strong>tls::ciphers</strong>
<em>protocol ?verbose?</em></a></p>

<h3><a name="DESCRIPTION">DESCRIPTION</a></h3>







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<p><b>package require Tcl 8.2</b><br>
<b>package require tls 1.4</b><br>
<br>
<a href="#tls::init"><b>tls::init </b><i>?options?</i><br>
</a><a href="#tls::socket"><b>tls::socket </b><em>?options? host
port</em><br>
<b>tls::socket</b><em> ?-server command? ?options? port</em><br>
</a><a href="#tls::status"><b>tls::status </b><em>?-local? channel</em><br>
</a><a href="#tls::handshake"><b>tls::handshake</b><em> channel</em></a><br>
<br>
<a href="#tls::import"><b>tls::import </b><i>channel ?options?</i></a><br>
<a href="#tls::ciphers protocol ?verbose?"><strong>tls::ciphers</strong>
<em>protocol ?verbose?</em></a></p>

<h3><a name="DESCRIPTION">DESCRIPTION</a></h3>
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    <dt>&nbsp;</dt>
    <dt><a name="tls::handshake"><strong>tls::handshake</strong> <em>channel</em></a></dt>
    <dd>Forces handshake to take place, and returns 0 if
        handshake is still in progress (non-blocking), or 1 if
        the handshake was successful. If the handshake failed
        this routine will throw an error.</dd>
    <dt>&nbsp;</dt>
    <dt><a name="tls::status"><strong>tls::status</strong> <em>channel</em></a></dt>

    <dd>Returns the current security status of a SSL channel. The
        result is a list of key value pairs describing the
        connected peer. If the result is an empty list then the
        SSL handshake has not yet completed.</dd>


</dl>

<blockquote>
    <dl>
        <dt><strong>issuer</strong> <em>dn</em></dt>
        <dd>The distinguished name (DN) of the certificate
            issuer.</dd>
        <dt><strong>subject</strong> <em>dn</em></dt>
        <dd>The distinguished name (DN) of the certificate
            subject.</dd>
        <dt><strong>notBefore</strong> <em>date</em></dt>
        <dd>The begin date for the validity of the certificate.</dd>
        <dt><strong>notAfter</strong> <em>date</em></dt>
        <dd>The expiry date for the certificate.</dd>
        <dt><strong>serial</strong> <em>n</em></dt>
        <dd>The serial number of the certificate.</dd>
        <dt><strong>cipher</strong> <em>cipher</em></dt>
        <dd>The current cipher in use between the client and
            server channels.</dd>


    </dl>
</blockquote>

<dl>
    <dt><a name="tls::import"><b>tls::import </b><i>channel
        ?options?</i></a></dt>
    <dd>SSL-enable a regular Tcl channel - it need not be a







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    <dt>&nbsp;</dt>
    <dt><a name="tls::handshake"><strong>tls::handshake</strong> <em>channel</em></a></dt>
    <dd>Forces handshake to take place, and returns 0 if
        handshake is still in progress (non-blocking), or 1 if
        the handshake was successful. If the handshake failed
        this routine will throw an error.</dd>
    <dt>&nbsp;</dt>
    <dt><a name="tls::status"><strong>tls::status</strong>
    <em>?-local? channel</em></a></dt>
    <dd>Returns the current security status of a SSL channel. The
        result is a list of key value pairs describing the
        connected peer. If the result is an empty list then the
        SSL handshake has not yet completed.
        If <em>-local</em> is given, then the certificate information
        is the one used locally.</dd>
</dl>

<blockquote>
    <dl>
        <dt><strong>issuer</strong> <em>dn</em></dt>
        <dd>The distinguished name (DN) of the certificate
            issuer.</dd>
        <dt><strong>subject</strong> <em>dn</em></dt>
        <dd>The distinguished name (DN) of the certificate
            subject.</dd>
        <dt><strong>notBefore</strong> <em>date</em></dt>
        <dd>The begin date for the validity of the certificate.</dd>
        <dt><strong>notAfter</strong> <em>date</em></dt>
        <dd>The expiry date for the certificate.</dd>
        <dt><strong>serial</strong> <em>n</em></dt>
        <dd>The serial number of the certificate.</dd>
        <dt><strong>cipher</strong> <em>cipher</em></dt>
        <dd>The current cipher in use between the client and
            server channels.</dd>
        <dt><strong>sbits</strong> <em>n</em></dt>
        <dd>The number of bits used for the session key.</dd>
    </dl>
</blockquote>

<dl>
    <dt><a name="tls::import"><b>tls::import </b><i>channel
        ?options?</i></a></dt>
    <dd>SSL-enable a regular Tcl channel - it need not be a

Modified tlsBIO.c from [61828ed639] to [3e7555cac8].

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/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsBIO.c,v 1.5 2000/08/18 19:17:36 hobbs Exp $
 *
 * Provides BIO layer to interface openssl to Tcl.
 */

#include "tlsInt.h"

/*
 * Forward declarations
 */

static int BioWrite	_ANSI_ARGS_ ((BIO *h, char *buf, int num));
static int BioRead	_ANSI_ARGS_ ((BIO *h, char *buf, int num));
static int BioPuts	_ANSI_ARGS_ ((BIO *h, char *str));
static long BioCtrl	_ANSI_ARGS_ ((BIO *h, int cmd, long arg1, char *ptr));
static int BioNew	_ANSI_ARGS_ ((BIO *h));
static int BioFree	_ANSI_ARGS_ ((BIO *h));


static BIO_METHOD BioMethods = {
    BIO_TYPE_TCL, "tcl",
    BioWrite,



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/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsBIO.c,v 1.6 2002/02/04 22:46:31 hobbs Exp $
 *
 * Provides BIO layer to interface openssl to Tcl.
 */

#include "tlsInt.h"

/*
 * Forward declarations
 */

static int BioWrite	_ANSI_ARGS_ ((BIO *h, CONST char *buf, int num));
static int BioRead	_ANSI_ARGS_ ((BIO *h, char *buf, int num));
static int BioPuts	_ANSI_ARGS_ ((BIO *h, CONST char *str));
static long BioCtrl	_ANSI_ARGS_ ((BIO *h, int cmd, long arg1, CONST char *ptr));
static int BioNew	_ANSI_ARGS_ ((BIO *h));
static int BioFree	_ANSI_ARGS_ ((BIO *h));


static BIO_METHOD BioMethods = {
    BIO_TYPE_TCL, "tcl",
    BioWrite,
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{
    return &BioMethods;
}

static int
BioWrite (bio, buf, bufLen)
    BIO *bio;
    char *buf;
    int bufLen;
{
    Tcl_Channel chan = Tls_GetParent((State*)(bio->ptr));
    int ret;

    dprintf(stderr,"\nBioWrite(0x%x, <buf>, %d) [0x%x]",
	    (unsigned int) bio, bufLen, (unsigned int) chan);







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{
    return &BioMethods;
}

static int
BioWrite (bio, buf, bufLen)
    BIO *bio;
    CONST char *buf;
    int bufLen;
{
    Tcl_Channel chan = Tls_GetParent((State*)(bio->ptr));
    int ret;

    dprintf(stderr,"\nBioWrite(0x%x, <buf>, %d) [0x%x]",
	    (unsigned int) bio, bufLen, (unsigned int) chan);
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    }
    return ret;
}

static int
BioPuts	(bio, str)
    BIO *bio;
    char *str;
{
    return BioWrite(bio, str, strlen(str));
}

static long
BioCtrl	(bio, cmd, num, ptr)
    BIO *bio;
    int cmd;
    long num;
    char *ptr;
{
    Tcl_Channel chan = Tls_GetParent((State*)bio->ptr);
    long ret = 1;
    int *ip;

    dprintf(stderr,"\nBioCtrl(0x%x, 0x%x, 0x%x, 0x%x)",
	    (unsigned int) bio, (unsigned int) cmd, (unsigned int) num,







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    }
    return ret;
}

static int
BioPuts	(bio, str)
    BIO *bio;
    CONST char *str;
{
    return BioWrite(bio, str, strlen(str));
}

static long
BioCtrl	(bio, cmd, num, ptr)
    BIO *bio;
    int cmd;
    long num;
    CONST char *ptr;
{
    Tcl_Channel chan = Tls_GetParent((State*)bio->ptr);
    long ret = 1;
    int *ip;

    dprintf(stderr,"\nBioCtrl(0x%x, 0x%x, 0x%x, 0x%x)",
	    (unsigned int) bio, (unsigned int) cmd, (unsigned int) num,

Modified tlsIO.c from [31b270211d] to [40b688575b].

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/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 * Copyright (C) 2000 Ajuba Solutions
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.12 2000/09/07 21:16:19 hobbs 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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/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 * Copyright (C) 2000 Ajuba Solutions
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.13 2002/02/04 22:46:31 hobbs 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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static int	TlsBlockModeProc _ANSI_ARGS_((ClientData instanceData,
			int mode));
static int	TlsCloseProc _ANSI_ARGS_ ((ClientData instanceData,
			Tcl_Interp *interp));
static int	TlsInputProc _ANSI_ARGS_((ClientData instanceData,
			char *buf, int bufSize, int *errorCodePtr));
static int	TlsOutputProc _ANSI_ARGS_((ClientData instanceData,
			char *buf, int toWrite, int *errorCodePtr));
static int	TlsGetOptionProc _ANSI_ARGS_ ((ClientData instanceData,
			Tcl_Interp *interp, char *optionName,
			Tcl_DString *dsPtr));
static void	TlsWatchProc _ANSI_ARGS_((ClientData instanceData, int mask));
static int	TlsGetHandleProc _ANSI_ARGS_ ((ClientData instanceData,
			int direction, ClientData *handlePtr));
static int	TlsNotifyProc _ANSI_ARGS_ ((ClientData instanceData,
			int mask));
static void	TlsChannelHandler _ANSI_ARGS_ ((ClientData clientData,







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static int	TlsBlockModeProc _ANSI_ARGS_((ClientData instanceData,
			int mode));
static int	TlsCloseProc _ANSI_ARGS_ ((ClientData instanceData,
			Tcl_Interp *interp));
static int	TlsInputProc _ANSI_ARGS_((ClientData instanceData,
			char *buf, int bufSize, int *errorCodePtr));
static int	TlsOutputProc _ANSI_ARGS_((ClientData instanceData,
			CONST char *buf, int toWrite, int *errorCodePtr));
static int	TlsGetOptionProc _ANSI_ARGS_ ((ClientData instanceData,
			Tcl_Interp *interp, CONST char *optionName,
			Tcl_DString *dsPtr));
static void	TlsWatchProc _ANSI_ARGS_((ClientData instanceData, int mask));
static int	TlsGetHandleProc _ANSI_ARGS_ ((ClientData instanceData,
			int direction, ClientData *handlePtr));
static int	TlsNotifyProc _ANSI_ARGS_ ((ClientData instanceData,
			int mask));
static void	TlsChannelHandler _ANSI_ARGS_ ((ClientData clientData,
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 *	Writes output on the output device of the channel.
 *
 *-------------------------------------------------------------------
 */

static int
TlsOutputProc(ClientData instanceData,	/* Socket state. */
              char *buf,		/* The data buffer. */
              int toWrite,		/* How many bytes to write? */
              int *errorCodePtr)	/* Where to store error code. */
{
    State *statePtr = (State *) instanceData;
    int written, err;

    *errorCodePtr = 0;







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 *	Writes output on the output device of the channel.
 *
 *-------------------------------------------------------------------
 */

static int
TlsOutputProc(ClientData instanceData,	/* Socket state. */
              CONST char *buf,		/* The data buffer. */
              int toWrite,		/* How many bytes to write? */
              int *errorCodePtr)	/* Where to store error code. */
{
    State *statePtr = (State *) instanceData;
    int written, err;

    *errorCodePtr = 0;
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 *	None.
 *
 *-------------------------------------------------------------------
 */
static int
TlsGetOptionProc(ClientData instanceData,	/* Socket state. */
	Tcl_Interp *interp,		/* For errors - can be NULL. */
	char *optionName,		/* Name of the option to
					 * retrieve the value for, or
					 * NULL to get all options and
					 * their values. */
	Tcl_DString *dsPtr)		/* Where to store the computed value
					 * initialized by caller. */
{
    State *statePtr = (State *) instanceData;







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 *	None.
 *
 *-------------------------------------------------------------------
 */
static int
TlsGetOptionProc(ClientData instanceData,	/* Socket state. */
	Tcl_Interp *interp,		/* For errors - can be NULL. */
	CONST char *optionName,		/* Name of the option to
					 * retrieve the value for, or
					 * NULL to get all options and
					 * their values. */
	Tcl_DString *dsPtr)		/* Where to store the computed value
					 * initialized by caller. */
{
    State *statePtr = (State *) instanceData;