TclTLS
Changes On Branch d986eba4ccd83c77
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Changes In Branch crypto Through [d986eba4cc] Excluding Merge-Ins

This is equivalent to a diff from ec0cc9fbdf to d986eba4cc

2023-10-28
17:20
Optimized TLS channel type definition check-in: 914ac6b2a4 user: bohagan tags: trunk
2023-10-20
22:59
Updated test suite to use OpenSSL list for ciphers list check-in: 40a8eb4d6f user: bohagan tags: crypto
2023-10-15
21:31
Added parse flag option macro check-in: d986eba4cc user: bohagan tags: crypto
2023-10-14
23:16
Updated digests command to filter out RSA digests since only used for signature algorithms. check-in: 0a899f2c18 user: bohagan tags: crypto
2023-10-10
00:06
Created cryptography branch check-in: 0cd384c2ff user: bohagan tags: crypto
2023-10-09
19:08
Updated to latest TEA and Tcl Config check-in: ec0cc9fbdf user: bohagan tags: trunk
2023-09-24
20:12
Moved definition of Append to List macros to tlsInt.h. Updated tls.c to use Append to List macros. check-in: 28d6418fa7 user: bohagan tags: trunk

Modified doc/tls.html from [9494c1c42e] to [6b8ffb24fd].

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	    <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::connection </b> <em>channel</em></dd>
	    <dd><b>tls::import</b> <em>channel ?options?</em></dd>
	    <dd><b>tls::unimport</b> <em>channel</em></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::ciphers </b> <em>protocol ?verbose? ?supported?</em></dd>
	    <dd><b>tls::ciphers</b> <em>?protocol? ?verbose? ?supported?</em></dd>
	    <dd><b>tls::protocols</b></dd>
	    <dd><b>tls::version</b></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::digest</b> <em>type data</em></dd>
	    <dd><b>tls::digests</b></dd>
	    <dd><b>tls::md4</b> <em>data</em></dd>
	    <dd><b>tls::md5</b> <em>data</em></dd>
	    <dd><b>tls::sha1</b> <em>data</em></dd>
	    <dd><b>tls::sha256</b> <em>data</em></dd>
	</dl>
    </dd>
    <dd><a href="#COMMANDS">COMMANDS</a></dd>
    <dd><a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a></dd>
    <dd><a href="#HTTPS EXAMPLE">HTTPS EXAMPLE</a></dd>
    <dd><a href="#SEE ALSO">SPECIAL CONSIDERATIONS</a></dd>
    <dd><a href="#SEE ALSO">SEE ALSO</a></dd>
</dl>

<hr>

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

<p><strong>tls</strong> - binding to <strong>OpenSSL</strong>
toolkit.</p>

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

<p><b>package require Tcl 8.4</b><br>
<p><b>package require Tcl 8.5</b><br>
<b>package require tls</b><br>
<br>
<a href="#tls::init"><b>tls::init</b> <i>?options?</i></a><br>
<a href="#tls::socket"><b>tls::socket</b> <i>?options? host port</i><br>
<a href="#tls::socket"><b>tls::socket</b> <i>?-server command? ?options? port</i></a><br>
<a href="#tls::status"><b>tls::status</b> <i>?-local? channel</i></a><br>
<a href="#tls::connection"><b>tls::connection</b> <i>channel</i></a><br>
<a href="#tls::handshake"><b>tls::handshake</b> <i>channel</i></a><br>
<a href="#tls::import"><b>tls::import</b> <i>channel ?options?</i></a><br>
<a href="#tls::unimport"><b>tls::unimport</b> <i>channel</i></a><br>
<br>
<a href="#tls::ciphers"><b>tls::ciphers</b> <i>protocol ?verbose? ?supported?</i></a><br>
<a href="#tls::protocols"><b>tls::protocols</b></a>
<a href="#tls::version"><b>tls::version</b></a>
<a href="#tls::ciphers"><b>tls::ciphers</b> <i>?protocol? ?verbose? ?supported?</i></a><br>
<a href="#tls::protocols"><b>tls::protocols</b></a><br>
<a href="#tls::version"><b>tls::version</b></a><br>
<br>
<a href="#tls::digest"><b>tls::digest</b> <i>type data</i></a><br>
<a href="#tls::digests"><b>tls::digests</b></a><br>
<a href="#tls::md4"><b>tls::md4</b> <i>data</i></a><br>
<a href="#tls::md5"><b>tls::md5</b> <i>data</i></a><br>
<a href="#tls::sha1"><b>tls::sha1</b> <i>data</i></a><br>
<a href="#tls::sha256"><b>tls::sha256</b> <i>data</i></a><br>
</p>

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

<p>This extension provides a generic binding to <a
href="http://www.openssl.org/">OpenSSL</a>, utilizing the
<strong>Tcl_StackChannel</strong>
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	<dd>Unique session master key.</dd>
	<dt><strong>session_cache_mode</strong> <em>mode</em></dt>
	<dd>Server cache mode (client, server, or both).</dd>
    </dl>
</blockquote>

    <dt><a name="tls::ciphers"><strong>tls::ciphers</strong>
    <em>protocol ?verbose? ?supported?</em></a></dt>
    <dd>Returns a list of supported ciphers available for <em>protocol</em>,
	where protocol must be one of <b>ssl2, ssl3, tls1, tls1.1,
	tls1.2,</b> or <b>tls1.3</b>. If <em>verbose</em> is specified as
	true then a verbose, human readable list is returned with
	additional information on the cipher. If <em>supported</em>
    <em>?protocol? ?verbose? ?supported?</em></a></dt>
    <dd>Without any args, returns a list of all ciphers. With
	<em>protocol</em>, only the ciphers supportted for that protocol
	are returned where <em>protocol</em> must be one of <b>ssl2, ssl3,
	tls1, tls1.1, tls1.2,</b> or <b>tls1.3</b>. If <em>verbose</em> is
	specified as true then a verbose, human readable list is returned
	with additional information on the cipher. If <em>supported</em>
	is specified as true, then only the ciphers supported for protocol
	will be listed.</dd>

    <dt><a name="tls::protocols"><strong>tls::protocols</strong></a></dt>
    <dd>Returns a list of supported protocols. Valid values are:
	<b>ssl2</b>, <b>ssl3</b>, <b>tls1</b>, <b>tls1.1</b>, <b>tls1.2</b>,
	and <b>tls1.3</b>. Exact list depends on OpenSSL version and
	compile time flags.</dd>

    <dt><a name="tls::version"><strong>tls::version</strong></a></dt>
    <dd>Returns the OpenSSL version string.</dd>

    <br>
    <dt><a name="tls::digest"><strong>tls::digest</strong> <em>type data</em></a></dt>
    <dd>Calculate the message digest for <em>data</em> using <em>type</em>
	hash algorithm. Returns value as a hex string. Type can be any
	OpenSSL supported hash algorithm including: <b>md4</b>, <b>md5</b>,
	<b>sha1</b>, <b>sha256</b>, <b>sha512</b>, <b>sha3-256</b>, etc.
	See <b>digests</b> command for a full list.</dd>

    <dt><a name="tls::digests"><strong>tls::digests</strong></a></dt>
    <dd>Returns a list of the valid hash algorithms used to create message digests.</dd>

    <dt><a name="tls::md4"><strong>tls::md4</strong> <em>data</em></a></dt>
    <dd>Return the MD4 message-digest for <em>data</em>.</dd>

    <dt><a name="tls::md5"><strong>tls::md5</strong> <em>data</em></a></dt>
    <dd>Return the MD5 message-digest for <em>data</em>.</dd>

    <dt><a name="tls::sha1"><strong>tls::sha1</strong> <em>data</em></a></dt>
    <dd>Return the SHA1 secure hash algorithm digest for <em>data</em>.</dd>

    <dt><a name="tls::sha256"><strong>tls::sha256</strong> <em>data</em></a></dt>
    <dd>Return the SHA-2 SHA256 secure hash algorithm digest for <em>data</em>.</dd>
</dl>

<h3><a name="CALLBACK OPTIONS">CALLBACK OPTIONS</a></h3>

<p>
As indicated above, individual channels can be given their own callbacks
to handle intermediate processing by the OpenSSL library, using the
︙

Modified generic/tclOpts.h from [fee5089a30] to [886b892588]. 

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/*
 *  Copyright (C) 1997-2000 Matt Newman <[email protected]>
 *
 * Stylized option processing - requires consistent
 * external vars: opt, idx, objc, objv
 */

#ifndef _TCL_OPTS_H
#define _TCL_OPTS_H

#define OPTFLAG(option, var)			\
    if (strcmp(opt, (option)) == 0) {		\
	var = 1;				\
	continue;				\
    }

#define OPT_PROLOG(option)			\
    if (strcmp(opt, (option)) == 0) {		\
	if (++idx >= objc) {			\
	    Tcl_AppendResult(interp,		\
		"no argument given for ",	\
		(option), " option",		\
		(char *) NULL);			\
	    return TCL_ERROR;			\
	}

#define OPT_POSTLOG()				\
	continue;				\
    }

#define OPTOBJ(option, var)			\
    OPT_PROLOG(option)				\
    var = objv[idx];				\
    OPT_POSTLOG()

#define OPTSTR(option, var)			\
    OPT_PROLOG(option)				\
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Modified generic/tls.c from [f4a59d7949] to [5aecfbd855].

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 *
 */

#include "tlsInt.h"
#include "tclOpts.h"
#include <stdio.h>
#include <stdlib.h>
#include <openssl/crypto.h>
#include <openssl/ssl.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/rsa.h>
#include <openssl/safestack.h>

/* Min OpenSSL version */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
#error "Only OpenSSL v1.1.1 or later is supported"
#endif
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    cmdPtr = Tcl_DuplicateObj(statePtr->callback);
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj("error", -1));
    Tcl_ListObjAppendElement(interp, cmdPtr,
	    Tcl_NewStringObj(Tcl_GetChannelName(statePtr->self), -1));
    if (msg != NULL) {
	Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(msg, -1));

    } else if ((msg = Tcl_GetStringFromObj(Tcl_GetObjResult(interp), (Tcl_Size *)NULL)) != NULL) {
    } else if ((msg = Tcl_GetStringFromObj(Tcl_GetObjResult(interp), NULL)) != NULL) {
	Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(msg, -1));

    } else {
	listPtr = Tcl_NewListObj(0, NULL);
	while ((err = ERR_get_error()) != 0) {
	    Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewStringObj(ERR_reason_error_string(err), -1));
	}
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    }
    Tcl_DecrRefCount(cmdPtr);

    Tcl_Release((ClientData) statePtr);

    /* If successful, pass back password string and truncate if too long */
    if (code == TCL_OK) {
	Tcl_Size len;
	int len;
	char *ret = (char *) Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &len);
	if (len > (Tcl_Size) size-1) {
	    len = (Tcl_Size) size-1;
	if (len > size-1) {
	    len = size-1;
	}
	strncpy(buf, ret, (size_t) len);
	buf[len] = '\0';
	Tcl_Release((ClientData) interp);
	return((int) len);
	return(len);
    }
    Tcl_Release((ClientData) interp);
    return -1;
}

/*
 *-------------------------------------------------------------------
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    cmdPtr = Tcl_DuplicateObj(statePtr->callback);
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj("session", -1));
    Tcl_ListObjAppendElement(interp, cmdPtr,
	    Tcl_NewStringObj(Tcl_GetChannelName(statePtr->self), -1));

    /* Session id */
    session_id = SSL_SESSION_get_id(session, &ulen);
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewByteArrayObj(session_id, (Tcl_Size) ulen));
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewByteArrayObj(session_id, (int) ulen));

    /* Session ticket */
    SSL_SESSION_get0_ticket(session, &ticket, &len2);
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewByteArrayObj(ticket, (Tcl_Size) len2));
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewByteArrayObj(ticket, (int) len2));

    /* Lifetime - number of seconds */
    Tcl_ListObjAppendElement(interp, cmdPtr,
	Tcl_NewLongObj((long) SSL_SESSION_get_ticket_lifetime_hint(session)));

    /* Eval callback command */
    Tcl_IncrRefCount(cmdPtr);
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    servername = (const char *)p;

    /* Create command to eval */
    cmdPtr = Tcl_DuplicateObj(statePtr->vcmd);
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj("hello", -1));
    Tcl_ListObjAppendElement(interp, cmdPtr,
	    Tcl_NewStringObj(Tcl_GetChannelName(statePtr->self), -1));
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(servername, (Tcl_Size) len));
    Tcl_ListObjAppendElement(interp, cmdPtr, Tcl_NewStringObj(servername, (int) len));

    /* Eval callback command */
    Tcl_IncrRefCount(cmdPtr);
    if ((code = EvalCallback(interp, statePtr, cmdPtr)) > 1) {
	res = SSL_CLIENT_HELLO_RETRY;
	*alert = SSL_R_TLSV1_ALERT_USER_CANCELLED;
    } else if (code == 1) {
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/********************/
/* Commands         */
/********************/

/*
 *-------------------------------------------------------------------
 *
 * Hash Calc --
 *
 *	Calculate message digest of data using type hash algorithm.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
int
HashCalc(Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], const EVP_MD *type) {
    char *data;
    int len;
    unsigned int mdlen;
    unsigned char mdbuf[EVP_MAX_MD_SIZE];
    const char *hex = "0123456789ABCDEF";

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "data");
	return TCL_ERROR;
    }

    /* Get data */
    data = Tcl_GetByteArrayFromObj(objv[1], &len);
    if (data == NULL || len == 0) {
	Tcl_SetResult(interp, "No data", NULL);
	return TCL_ERROR;
    }

    /* Calc hash value, create hex representation, and write to result */
    if (EVP_Digest(data, (size_t) len, mdbuf, &mdlen, type, NULL)) {
	Tcl_Obj *resultObj;
	unsigned char *ptr;
	resultObj = Tcl_NewObj();
	ptr = Tcl_SetByteArrayLength(resultObj, mdlen*2);

	for (unsigned int i = 0; i < mdlen; i++) {
	    *ptr++ = hex[(mdbuf[i] >> 4) & 0x0F];
	    *ptr++ = hex[mdbuf[i] & 0x0F];
	}
	Tcl_SetObjResult(interp, resultObj);
    } else {
	Tcl_SetResult(interp, "Hash calculation error", NULL);
	return TCL_ERROR;
    }
    return TCL_OK;
}

/*
 *-------------------------------------------------------------------
 *
 * Hash Commands --
 *
 *	Return the digest as a hex string for data using type message digest.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
DigestCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    int len;
    const char *name;
    const EVP_MD *type;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "type data");
	return TCL_ERROR;
    }

    name = Tcl_GetStringFromObj(objv[1],&len);
    if (name == NULL || (type = EVP_get_digestbyname(name)) == NULL) {
	Tcl_AppendResult(interp, "Invalid digest type \"", name, "\"", NULL);
	return TCL_ERROR;
    }
    objc--;
    objv++;
    return HashCalc(interp, objc, objv, type);
}

/*
 * Command to Calculate MD4 Message Digest
 */
int
DigestMD4Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_md4());
}

/*
 * Command to Calculate MD5 Message Digest
 */
int
DigestMD5Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_md5());
}

/*
 * Command to Calculate SHA-1 Hash
 */
int
DigestSHA1Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_sha1());
}

/*
 * Command to Calculate SHA2 SHA-256 Hash
 */
int
DigestSHA256Cmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    return HashCalc(interp, objc, objv, EVP_sha256());
}

/*
 *-------------------------------------------------------------------
 *
 * Hash List Command --
 *
 *	Return a list of all valid hash algorithms or message digests.
 *
 * Results:
 *	A standard Tcl result list.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
void ListCallback(const OBJ_NAME *obj, void *arg) {
    Tcl_Obj *objPtr = (Tcl_Obj *) arg;
    if (1 || !obj->alias) {
	/* Filter out signed digests (a.k.a signature algorithms) */
	if (strstr(obj->name, "rsa") == NULL && strstr(obj->name, "RSA") == NULL) {
	    Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewStringObj(obj->name,-1));
	}
    }
}

int
DigestListCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr = Tcl_NewListObj(0, NULL);

#if OPENSSL_VERSION_NUMBER < 0x10100000L
    OpenSSL_add_all_digests(); /* Make sure they're loaded */
#endif

    OBJ_NAME_do_all(OBJ_NAME_TYPE_MD_METH, ListCallback, (void *) objPtr);
    Tcl_ResetResult(interp);
    Tcl_SetObjResult(interp, objPtr);

    return TCL_OK;
	clientData = clientData;
	objc = objc;
	objv = objv;
}

/*
 * Valid SSL and TLS Protocol Versions
 */
static const char *protocols[] = {
	"ssl2", "ssl3", "tls1", "tls1.1", "tls1.2", "tls1.3", NULL
};
enum protocol {
    TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_TLS1_1, TLS_TLS1_2, TLS_TLS1_3, TLS_NONE
};

/*
 *-------------------------------------------------------------------
 *
 * CiphersObjCmd -- list available ciphers
 *
 *	This procedure is invoked to process the "tls::ciphers" command
 *	to list available ciphers, based upon protocol selected.
 *
 * Results:
 *	A standard Tcl result list.
 *
 * Side effects:
 *	constructs and destroys SSL context (CTX)
 *
 *-------------------------------------------------------------------
 */
static const char *protocols[] = {
	"ssl2", "ssl3", "tls1", "tls1.1", "tls1.2", "tls1.3", NULL
};
enum protocol {
    TLS_SSL2, TLS_SSL3, TLS_TLS1, TLS_TLS1_1, TLS_TLS1_2, TLS_TLS1_3, TLS_NONE
};

static int
CiphersObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr = NULL;
    SSL_CTX *ctx = NULL;
    SSL *ssl = NULL;
    STACK_OF(SSL_CIPHER) *sk;
    char *cp, buf[BUFSIZ];
    int index, verbose = 0, use_supported = 0;
    const SSL_METHOD *method;

    dprintf("Called");

    if ((objc < 2) || (objc > 4)) {
	Tcl_WrongNumArgs(interp, 1, objv, "protocol ?verbose? ?supported?");
    if ((objc < 1) || (objc > 4)) {
	Tcl_WrongNumArgs(interp, 1, objv, "?protocol? ?verbose? ?supported?");
	return TCL_ERROR;
    }
    if (objc == 1) {
	/* List all ciphers */
	Tcl_Obj *objPtr = Tcl_NewListObj(0, NULL);

#if OPENSSL_VERSION_NUMBER < 0x10100000L
	OpenSSL_add_all_ciphers(); /* Make sure they're loaded */
#endif

	OBJ_NAME_do_all(OBJ_NAME_TYPE_CIPHER_METH, ListCallback, (void *) objPtr);
	Tcl_ResetResult(interp);
	Tcl_SetObjResult(interp, objPtr);
	return TCL_OK;

    if (Tcl_GetIndexFromObj(interp, objv[1], protocols, "protocol", 0, &index) != TCL_OK) {
    } else if (Tcl_GetIndexFromObj(interp, objv[1], protocols, "protocol", 0, &index) != TCL_OK) {
	return TCL_ERROR;
    }
    if ((objc > 2) && Tcl_GetBooleanFromObj(interp, objv[2], &verbose) != TCL_OK) {
	return TCL_ERROR;
    }
    if ((objc > 3) && Tcl_GetBooleanFromObj(interp, objv[3], &use_supported) != TCL_OK) {
	return TCL_ERROR;
︙
1077
1078
1079
1080
1081
1082
1083

1084
1085
1086
1087
1088
1089
1090

1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276








+








	if (use_supported) {
	    sk_SSL_CIPHER_free(sk);
	}
    }
    SSL_free(ssl);
    SSL_CTX_free(ctx);

    Tcl_ResetResult(interp);
    Tcl_SetObjResult(interp, objPtr);
    return TCL_OK;
	clientData = clientData;
}

/*
 *-------------------------------------------------------------------
︙
1140
1141
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1144
1145
1146




























1147
1148
1149
1150
1151
1152
1153

1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
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1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367








+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+








    return TCL_OK;
	clientData = clientData;
}

/*
 *-------------------------------------------------------------------
 *
 * VersionObjCmd -- return version string from OpenSSL.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
static int
VersionObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr;

    dprintf("Called");

    objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
    Tcl_SetObjResult(interp, objPtr);

    return TCL_OK;
	clientData = clientData;
	objc = objc;
	objv = objv;
}

/*
 *-------------------------------------------------------------------
 *
 * HandshakeObjCmd --
 *
 *	This command is used to verify whether the handshake is complete
 *	or not.
 *
 * Results:
 *	A standard Tcl result. 1 means handshake complete, 0 means pending.
︙
1169
1170
1171
1172
1173
1174
1175
1176

1177
1178
1179
1180
1181
1182
1183

1383
1384
1385
1386
1387
1388
1389

1390
1391
1392
1393
1394
1395
1396
1397








-
+








    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "channel");
	return(TCL_ERROR);
    }

    ERR_clear_error();

    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], (Tcl_Size *)NULL), NULL);
    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
    if (chan == (Tcl_Channel) NULL) {
	return(TCL_ERROR);
    }

    /* Make sure to operate on the topmost channel */
    chan = Tcl_GetTopChannel(chan);
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
︙
1247
1248
1249
1250
1251
1252
1253
1254

1255
1256
1257
1258
1259
1260
1261

1262
1263

1264
1265
1266
1267
1268
1269
1270

1461
1462
1463
1464
1465
1466
1467

1468

1469
1470
1471
1472
1473

1474
1475

1476
1477
1478
1479
1480
1481
1482
1483








-
+
-





-
+

-
+








    Tcl_Channel chan;		/* The channel to set a mode on. */
    State *statePtr;		/* client state for ssl socket */
    SSL_CTX *ctx	        = NULL;
    Tcl_Obj *script	        = NULL;
    Tcl_Obj *password	        = NULL;
    Tcl_Obj *vcmd	        = NULL;
    Tcl_DString upperChannelTranslation, upperChannelBlocking, upperChannelEncoding, upperChannelEOFChar;
    int idx;
    int idx, len;
    Tcl_Size len;
    int flags		        = TLS_TCL_INIT;
    int server		        = 0;	/* is connection incoming or outgoing? */
    char *keyfile	        = NULL;
    char *certfile	        = NULL;
    unsigned char *key  	= NULL;
    Tcl_Size key_len                 = 0;
    int key_len                 = 0;
    unsigned char *cert         = NULL;
    Tcl_Size cert_len                = 0;
    int cert_len                = 0;
    char *ciphers	        = NULL;
    char *ciphersuites	        = NULL;
    char *CAfile	        = NULL;
    char *CAdir		        = NULL;
    char *DHparams	        = NULL;
    char *model		        = NULL;
    char *servername	        = NULL;	/* hostname for Server Name Indication */
︙
1293
1294
1295
1296
1297
1298
1299
1300

1301
1302
1303
1304
1305
1306
1307
1308
1309

1310
1311
1312
1313
1314
1315
1316

1506
1507
1508
1509
1510
1511
1512

1513
1514
1515
1516
1517
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1519
1520
1521

1522
1523
1524
1525
1526
1527
1528
1529








-
+








-
+








    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "channel ?options?");
	return TCL_ERROR;
    }

    ERR_clear_error();

    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], (Tcl_Size *)NULL), NULL);
    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
    if (chan == (Tcl_Channel) NULL) {
	return TCL_ERROR;
    }

    /* Make sure to operate on the topmost channel */
    chan = Tcl_GetTopChannel(chan);

    for (idx = 2; idx < objc; idx++) {
	char *opt = Tcl_GetStringFromObj(objv[idx], (Tcl_Size *)NULL);
	char *opt = Tcl_GetStringFromObj(objv[idx], NULL);

	if (opt[0] != '-')
	    break;

	OPTOBJ("-alpn", alpn);
	OPTSTR("-cadir", CAdir);
	OPTSTR("-cafile", CAfile);
︙
1422
1423
1424
1425
1426
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1430


1431
1432
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1437

1635
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1638
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1641


1642
1643
1644
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1648
1649
1650








-
-
+
+








		"\": not a TLS channel", NULL);
	    Tcl_SetErrorCode(interp, "TLS", "IMPORT", "CHANNEL", "INVALID", (char *) NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
	ctx = ((State *)Tcl_GetChannelInstanceData(chan))->ctx;
    } else {
	if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key, cert, (int) key_len,
	    (int) cert_len, CAdir, CAfile, ciphers, ciphersuites, level, DHparams)) == NULL) {
	if ((ctx = CTX_Init(statePtr, server, proto, keyfile, certfile, key, cert, key_len,
	    cert_len, CAdir, CAfile, ciphers, ciphersuites, level, DHparams)) == NULL) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;
︙
1513
1514
1515
1516
1517
1518
1519
1520
1521

1522
1523
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1525
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1531
1532
1533
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1535
1536
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1538

1539
1540
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1547




1548
1549
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1554

1726
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1731
1732


1733
1734
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1739
1740
1741
1742
1743
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1745
1746
1747
1748
1749

1750
1751
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1753
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1755




1756
1757
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1759
1760
1761
1762
1763
1764
1765
1766








-
-
+
















-
+





-
-
-
-
+
+
+
+









    /* Enable Application-Layer Protocol Negotiation. Examples are: http/1.0,
	http/1.1, h2, h3, ftp, imap, pop3, xmpp-client, xmpp-server, mqtt, irc, etc. */
    if (alpn) {
	/* Convert a TCL list into a protocol-list in wire-format */
	unsigned char *protos, *p;
	unsigned int protos_len = 0;
	Tcl_Size cnt, i;
	int j;
	int i, len, cnt;
	Tcl_Obj **list;

	if (Tcl_ListObjGetElements(interp, alpn, &cnt, &list) != TCL_OK) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}

	/* Determine the memory required for the protocol-list */
	for (i = 0; i < cnt; i++) {
	    Tcl_GetStringFromObj(list[i], &len);
	    if (len > 255) {
		Tcl_AppendResult(interp, "ALPN protocol name too long", (char *) NULL);
		Tcl_SetErrorCode(interp, "TLS", "IMPORT", "ALPN", "FAILED", (char *) NULL);
		Tls_Free((char *) statePtr);
		return TCL_ERROR;
	    }
	    protos_len += 1 + (int) len;
	    protos_len += 1 + len;
	}

	/* Build the complete protocol-list */
	protos = ckalloc(protos_len);
	/* protocol-lists consist of 8-bit length-prefixed, byte strings */
	for (j = 0, p = protos; j < cnt; j++) {
	    char *str = Tcl_GetStringFromObj(list[j], &len);
	    *p++ = (unsigned char) len;
	    memcpy(p, str, (size_t) len);
	for (i = 0, p = protos; i < cnt; i++) {
	    char *str = Tcl_GetStringFromObj(list[i], &len);
	    *p++ = len;
	    memcpy(p, str, len);
	    p += len;
	}

	/* SSL_set_alpn_protos makes a copy of the protocol-list */
	/* Note: This functions reverses the return value convention */
	if (SSL_set_alpn_protos(statePtr->ssl, protos, protos_len)) {
	    Tcl_AppendResult(interp, "failed to set ALPN protocols", (char *) NULL);
︙
1718
1719
1720
1721
1722
1723
1724
1725

1726
1727
1728
1729
1730
1731
1732

1733
1734
1735
1736
1737
1738

1739
1740
1741
1742
1743
1744

1745
1746
1747
1748
1749
1750

1751
1752
1753
1754
1755
1756

1757
1758
1759
1760
1761
1762

1763
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1767
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1769

1930
1931
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1933
1934
1935
1936

1937
1938
1939
1940
1941
1942
1943

1944
1945
1946
1947
1948
1949

1950
1951
1952
1953
1954
1955

1956
1957
1958
1959
1960
1961

1962
1963
1964
1965
1966
1967

1968
1969
1970
1971
1972
1973

1974
1975
1976
1977
1978
1979
1980
1981








-
+






-
+





-
+





-
+





-
+





-
+





-
+








    int off = 0;
    int load_private_key;
    const SSL_METHOD *method;

    dprintf("Called");

    if (!proto) {
	Tcl_AppendResult(interp, "no valid protocol selected", (char *) NULL);
	Tcl_AppendResult(interp, "no valid protocol selected", NULL);
	return NULL;
    }

    /* create SSL context */
#if OPENSSL_VERSION_NUMBER >= 0x10100000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
    if (ENABLED(proto, TLS_PROTO_SSL2)) {
	Tcl_AppendResult(interp, "SSL2 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "SSL2 protocol not supported", NULL);
	return NULL;
    }
#endif
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3)
    if (ENABLED(proto, TLS_PROTO_SSL3)) {
	Tcl_AppendResult(interp, "SSL3 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "SSL3 protocol not supported", NULL);
	return NULL;
    }
#endif
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
    if (ENABLED(proto, TLS_PROTO_TLS1)) {
	Tcl_AppendResult(interp, "TLS 1.0 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "TLS 1.0 protocol not supported", NULL);
	return NULL;
    }
#endif
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1)
    if (ENABLED(proto, TLS_PROTO_TLS1_1)) {
	Tcl_AppendResult(interp, "TLS 1.1 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "TLS 1.1 protocol not supported", NULL);
	return NULL;
    }
#endif
#if defined(NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2)
    if (ENABLED(proto, TLS_PROTO_TLS1_2)) {
	Tcl_AppendResult(interp, "TLS 1.2 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "TLS 1.2 protocol not supported", NULL);
	return NULL;
    }
#endif
#if defined(NO_TLS1_3) || defined(OPENSSL_NO_TLS1_3)
    if (ENABLED(proto, TLS_PROTO_TLS1_3)) {
	Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", (char *) NULL);
	Tcl_AppendResult(interp, "TLS 1.3 protocol not supported", NULL);
	return NULL;
    }
#endif
    if (proto == 0) {
	/* Use full range */
	SSL_CTX_set_min_proto_version(ctx, 0);
	SSL_CTX_set_max_proto_version(ctx, 0);
︙
1843
1844
1845
1846
1847
1848
1849




1850
1851
1852
1853
1854
1855
1856

2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072








+
+
+
+








    }
#endif

    /* Force cipher selection order by server */
    if (!isServer) {
	SSL_CTX_set_options(ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
    }

#if OPENSSL_VERSION_NUMBER < 0x10100000L
    OpenSSL_add_all_algorithms(); /* Load ciphers and digests */
#endif

    SSL_CTX_set_app_data(ctx, (void*)interp);	/* remember the interpreter */
    SSL_CTX_set_options(ctx, SSL_OP_ALL);	/* all SSL bug workarounds */
    SSL_CTX_set_options(ctx, SSL_OP_NO_COMPRESSION);	/* disable compression even if supported */
    SSL_CTX_set_options(ctx, off);		/* disable protocol versions */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
    SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);	/* handle new handshakes in background. On by default in OpenSSL 1.1.1. */
︙
2060
2061
2062
2063
2064
2065
2066
2067

2068
2069
2070
2071
2072
2073
2074

2276
2277
2278
2279
2280
2281
2282

2283
2284
2285
2286
2287
2288
2289
2290








-
+









    if (objc < 2 || objc > 3 || (objc == 3 && !strcmp(Tcl_GetString(objv[1]), "-local"))) {
	Tcl_WrongNumArgs(interp, 1, objv, "?-local? channel");
	return TCL_ERROR;
    }

    /* Get channel Id */
    channelName = Tcl_GetStringFromObj(objv[(objc == 2 ? 1 : 2)], (Tcl_Size *) NULL);
    channelName = Tcl_GetStringFromObj(objv[(objc == 2 ? 1 : 2)], NULL);
    chan = Tcl_GetChannel(interp, channelName, &mode);
    if (chan == (Tcl_Channel) NULL) {
	return TCL_ERROR;
    }

    /* Make sure to operate on the topmost channel */
    chan = Tcl_GetTopChannel(chan);
︙
2130
2131
2132
2133
2134
2135
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2137

2138
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2144

2346
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2350
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2353
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2356
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2359
2360








-
+








    }

    /* Verify mode depth */
    LAPPEND_INT(interp, objPtr, "verifyDepth", SSL_get_verify_depth(statePtr->ssl));

    /* Report the selected protocol as a result of the negotiation */
    SSL_get0_alpn_selected(statePtr->ssl, &proto, &len);
    LAPPEND_STR(interp, objPtr, "alpn", (char *)proto, (Tcl_Size) len);
    LAPPEND_STR(interp, objPtr, "alpn", (char *)proto, (int) len);
    LAPPEND_STR(interp, objPtr, "protocol", SSL_get_version(statePtr->ssl), -1);

    /* Valid for non-RSA signature and TLS 1.3 */
    if (objc == 2) {
	res = SSL_get_peer_signature_nid(statePtr->ssl, &nid);
    } else {
	res = SSL_get_signature_nid(statePtr->ssl, &nid);
︙
2180
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2183
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2185
2186
2187

2188
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2194

2396
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2400
2401
2402

2403
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2406
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2409
2410








-
+








    const EVP_MD *md;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "channel");
	return(TCL_ERROR);
    }

    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], (Tcl_Size *)NULL), NULL);
    chan = Tcl_GetChannel(interp, Tcl_GetStringFromObj(objv[1], NULL), NULL);
    if (chan == (Tcl_Channel) NULL) {
	return(TCL_ERROR);
    }

    /* Make sure to operate on the topmost channel */
    chan = Tcl_GetTopChannel(chan);
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
︙
2287
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2294

2295
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2300
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2314
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2503
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2528

2529
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2546
2547

2548
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2550
2551
2552
2553
2554
2555








-
+




-
+













-
+



-
+



-
+






-
+



-
+








	size_t len2;
	unsigned int ulen;
	const unsigned char *session_id, *proto;
	char buffer[SSL_MAX_MASTER_KEY_LENGTH];

	/* Report the selected protocol as a result of the ALPN negotiation */
	SSL_SESSION_get0_alpn_selected(session, &proto, &len2);
	LAPPEND_STR(interp, objPtr, "alpn", (char *) proto, (Tcl_Size) len2);
	LAPPEND_STR(interp, objPtr, "alpn", (char *) proto, (int) len2);

	/* Report the selected protocol as a result of the NPN negotiation */
#ifdef USE_NPN
	SSL_get0_next_proto_negotiated(ssl, &proto, &ulen);
	LAPPEND_STR(interp, objPtr, "npn", (char *) proto, (Tcl_Size) ulen);
	LAPPEND_STR(interp, objPtr, "npn", (char *) proto, (int) ulen);
#endif

	/* Resumable session */
	LAPPEND_BOOL(interp, objPtr, "resumable", SSL_SESSION_is_resumable(session));

	/* Session start time (seconds since epoch) */
	LAPPEND_LONG(interp, objPtr, "start_time", SSL_SESSION_get_time(session));

	/* Timeout value - SSL_CTX_get_timeout (in seconds) */
	LAPPEND_LONG(interp, objPtr, "timeout", SSL_SESSION_get_timeout(session));

	/* Session id - TLSv1.2 and below only */
	session_id = SSL_SESSION_get_id(session, &ulen);
	LAPPEND_BARRAY(interp, objPtr, "session_id", session_id, (Tcl_Size) ulen);
	LAPPEND_BARRAY(interp, objPtr, "session_id", session_id, (int) ulen);

	/* Session context */
	session_id = SSL_SESSION_get0_id_context(session, &ulen);
	LAPPEND_BARRAY(interp, objPtr, "session_context", session_id, (Tcl_Size) ulen);
	LAPPEND_BARRAY(interp, objPtr, "session_context", session_id, (int) ulen);

	/* Session ticket - client only */
	SSL_SESSION_get0_ticket(session, &ticket, &len2);
	LAPPEND_BARRAY(interp, objPtr, "session_ticket", ticket, (Tcl_Size) len2);
	LAPPEND_BARRAY(interp, objPtr, "session_ticket", ticket, (int) len2);

	/* Session ticket lifetime hint (in seconds) */
	LAPPEND_LONG(interp, objPtr, "lifetime", SSL_SESSION_get_ticket_lifetime_hint(session));

	/* Ticket app data */
	SSL_SESSION_get0_ticket_appdata(session, &ticket, &len2);
	LAPPEND_BARRAY(interp, objPtr, "ticket_app_data", ticket, (Tcl_Size) len2);
	LAPPEND_BARRAY(interp, objPtr, "ticket_app_data", ticket, (int) len2);

	/* Get master key */
	len2 = SSL_SESSION_get_master_key(session, buffer, SSL_MAX_MASTER_KEY_LENGTH);
	LAPPEND_BARRAY(interp, objPtr, "master_key", buffer, (Tcl_Size) len2);
	LAPPEND_BARRAY(interp, objPtr, "master_key", buffer, (int) len2);

	/* Compression id */
	unsigned int id = SSL_SESSION_get_compress_id(session);
	LAPPEND_STR(interp, objPtr, "compression_id", id == 1 ? "zlib" : "none", -1);
    }

    /* Compression info */
︙
2391
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2433
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2438
2439
2440
2441

2442
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2444
2445
2446
2447
2448

2607
2608
2609
2610
2611
2612
2613




























2614
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2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627


2628
2629
2630
2631
2632
2633
2634
2635








-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-














-
-
+








    return TCL_OK;
	clientData = clientData;
}

/*
 *-------------------------------------------------------------------
 *
 * VersionObjCmd -- return version string from OpenSSL.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
static int
VersionObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr;

    dprintf("Called");

    objPtr = Tcl_NewStringObj(OPENSSL_VERSION_TEXT, -1);
    Tcl_SetObjResult(interp, objPtr);

    return TCL_OK;
	clientData = clientData;
	objc = objc;
	objv = objv;
}

/*
 *-------------------------------------------------------------------
 *
 * MiscObjCmd -- misc commands
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	None.
 *
 *-------------------------------------------------------------------
 */
static int
MiscObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    static const char *commands [] = { "req", "strreq", NULL };
    enum command { C_REQ, C_STRREQ, C_DUMMY };
    Tcl_Size cmd;
    int isStr;
    int cmd, isStr;
    char buffer[16384];

    dprintf("Called");

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
	return TCL_ERROR;
︙
2457
2458
2459
2460
2461
2462
2463
2464

2465
2466
2467
2468
2469
2470
2471
2472

2644
2645
2646
2647
2648
2649
2650

2651

2652
2653
2654
2655
2656
2657
2658








-
+
-








    switch ((enum command) cmd) {
	case C_REQ:
	case C_STRREQ: {
	    EVP_PKEY *pkey=NULL;
	    X509 *cert=NULL;
	    X509_NAME *name=NULL;
	    Tcl_Obj **listv;
	    Tcl_Size listc;
	    int listc,i;
	    int i;

	    BIO *out=NULL;

	    char *k_C="",*k_ST="",*k_L="",*k_O="",*k_OU="",*k_CN="",*k_Email="";
	    char *keyout,*pemout,*str;
	    int keysize,serial=0,days=365;
︙
2489
2490
2491
2492
2493
2494
2495
2496


2497
2498
2499
2500
2501
2502
2503

2675
2676
2677
2678
2679
2680
2681

2682
2683
2684
2685
2686
2687
2688
2689
2690








-
+
+








	    pemout=Tcl_GetString(objv[4]);
	    if (isStr) {
		Tcl_SetVar(interp,keyout,"",0);
		Tcl_SetVar(interp,pemout,"",0);
	    }

	    if (objc>=6) {
		if (Tcl_ListObjGetElements(interp, objv[5], &listc, &listv) != TCL_OK) {
		if (Tcl_ListObjGetElements(interp, objv[5],
			&listc, &listv) != TCL_OK) {
		    return TCL_ERROR;
		}

		if ((listc%2) != 0) {
		    Tcl_SetResult(interp,"Information list must have even number of arguments",NULL);
		    return TCL_ERROR;
		}
︙
2769
2770
2771
2772
2773
2774
2775
2776

2777
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2779
2780
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2783

2784
2785



2786



2787
2788




2789
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2795

2956
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2963
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2979


2980
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2986
2987
2988
2989
2990








-
+



-



+


+
+
+

+
+
+
-
-
+
+
+
+








#endif
    if (Tcl_PkgRequire(interp, "Tcl", "8.5-", 0) == NULL) {
	return TCL_ERROR;
    }
#endif

    if (TlsLibInit(0) != TCL_OK) {
	Tcl_AppendResult(interp, "could not initialize SSL library", (char *) NULL);
	Tcl_AppendResult(interp, "could not initialize SSL library", NULL);
	return TCL_ERROR;
    }

    Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::connection", ConnectionInfoObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::handshake", HandshakeObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::import", ImportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::unimport", UnimportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    Tcl_CreateObjCommand(interp, "tls::ciphers", CiphersObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::protocols", ProtocolsObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    Tcl_CreateObjCommand(interp, "tls::digest", DigestCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::digests", DigestListCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::misc", MiscObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::protocols", ProtocolsObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md4", DigestMD4Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::md5", DigestMD5Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha1", DigestSHA1Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::sha256", DigestSHA256Cmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

    if (interp) {
	Tcl_Eval(interp, tlsTclInitScript);
    }

    return Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION);
}
︙

Modified generic/tlsBIO.c from [904acc3cbd] to [3977ec0a04]. 

1
2
3
4
5
6
7
8
9
10
11

12
13
14
15
16
17
18

19
20
21
22
23
24

25
26
27
28
29
30
31

1
2
3
4
5
6
7
8
9
10

11
12
13
14
15
16
17

18
19
20
21
22


23
24
25
26
27
28
29
30











-
+






-
+




-
-
+








/*
 * Copyright (C) 1997-2000 Matt Newman <[email protected]>
 *
 * Provides BIO layer to interface openssl to Tcl.
 */

#include "tlsInt.h"

static int BioWrite(BIO *bio, const char *buf, int bufLen) {
    Tcl_Channel chan;
    Tcl_Size ret;
    int ret;
    int tclEofChan, tclErrno;

    chan = Tls_GetParent((State *) BIO_get_data(bio), 0);

    dprintf("[chan=%p] BioWrite(%p, <buf>, %d)", (void *)chan, (void *) bio, bufLen);

    ret = Tcl_WriteRaw(chan, buf, (Tcl_Size) bufLen);
    ret = (int) Tcl_WriteRaw(chan, buf, bufLen);

    tclEofChan = Tcl_Eof(chan);
    tclErrno = Tcl_GetErrno();

    dprintf("[chan=%p] BioWrite(%d) -> %" TCL_SIZE_MODIFIER "d [tclEof=%d; tclErrno=%d]",
	(void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());
    dprintf("[chan=%p] BioWrite(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, Tcl_GetErrno());

    BIO_clear_flags(bio, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);

    if (tclEofChan && ret <= 0) {
	dprintf("Got EOF while reading, returning a Connection Reset error which maps to Soft EOF");
	Tcl_SetErrno(ECONNRESET);
	ret = 0;
︙
51
52
53
54
55
56
57
58

59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74

75
76
77
78
79
80

81
82
83
84
85
86
87

50
51
52
53
54
55
56

57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

73
74
75
76
77


78
79
80
81
82
83
84
85








-
+















-
+




-
-
+








    if (ret != -1 || (ret == -1 && tclErrno == EAGAIN)) {
	if (BIO_should_read(bio)) {
	    dprintf("Setting should retry read flag");

	    BIO_set_retry_read(bio);
	}
    }
    return((int) ret);
    return(ret);
}

static int BioRead(BIO *bio, char *buf, int bufLen) {
    Tcl_Channel chan;
    Tcl_Size ret = 0;
    int tclEofChan, tclErrno;

    chan = Tls_GetParent((State *) BIO_get_data(bio), 0);

    dprintf("[chan=%p] BioRead(%p, <buf>, %d)", (void *) chan, (void *) bio, bufLen);

    if (buf == NULL) {
	return 0;
    }

    ret = Tcl_ReadRaw(chan, buf, (Tcl_Size) bufLen);
    ret = Tcl_ReadRaw(chan, buf, bufLen);

    tclEofChan = Tcl_Eof(chan);
    tclErrno = Tcl_GetErrno();

    dprintf("[chan=%p] BioRead(%d) -> %" TCL_SIZE_MODIFIER "d [tclEof=%d; tclErrno=%d]",
	(void *) chan, bufLen, ret, tclEofChan, tclErrno);
    dprintf("[chan=%p] BioRead(%d) -> %d [tclEof=%d; tclErrno=%d]", (void *) chan, bufLen, ret, tclEofChan, tclErrno);

    BIO_clear_flags(bio, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);

    if (tclEofChan && ret <= 0) {
	dprintf("Got EOF while reading, returning a Connection Reset error which maps to Soft EOF");
	Tcl_SetErrno(ECONNRESET);
	ret = 0;
︙
108
109
110
111
112
113
114
115

116
117
118

119
120
121
122
123
124
125

106
107
108
109
110
111
112

113

114

115
116
117
118
119
120
121
122








-
+
-

-
+








	if (BIO_should_write(bio)) {
	    dprintf("Setting should retry write flag");

	    BIO_set_retry_write(bio);
	}
    }

    dprintf("BioRead(%p, <buf>, %d) [%p] returning %" TCL_SIZE_MODIFIER "d", (void *) bio,
    dprintf("BioRead(%p, <buf>, %d) [%p] returning %i", (void *) bio, bufLen, (void *) chan, ret);
	bufLen, (void *) chan, ret);

    return((int) ret);
    return(ret);
}

static int BioPuts(BIO *bio, const char *str) {
    dprintf("BioPuts(%p, <string:%p>) called", bio, str);

    return BioWrite(bio, str, (int) strlen(str));
}
︙

Modified generic/tlsInt.h from [0103fefac9] to [ba5e9003ea].

︙
38
39
40
41
42
43
44
45

46
47
48
49
50
51
52
53
54
55
56

38
39
40
41
42
43
44

45




46
47
48
49
50
51
52








-
+
-
-
-
-








#   endif
#endif

/*
 * Backwards compatibility for size type change
 */
#if TCL_MAJOR_VERSION < 9 && TCL_MINOR_VERSION < 7
    #ifndef Tcl_Size
#   define Tcl_Size int
        typedef int Tcl_Size;
    #endif

    #define TCL_SIZE_MODIFIER ""
#endif

#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/opensslv.h>
︙

Modified generic/tlsX509.c from [a931d05109] to [135215c951].

︙
16
17
18
19
20
21
22
23

24



25
26
27


28
29

30
31
32
33
34
35
36

16
17
18
19
20
21
22

23
24
25
26
27
28
29

30
31
32

33
34
35
36
37
38
39
40








-
+

+
+
+


-
+
+

-
+








/* Define maximum certificate size. Max PEM size 100kB and DER size is 24kB. */
#define CERT_STR_SIZE 32768


/*
 * Binary string to hex string
 */
int String_to_Hex(char* input, int ilen, char *output, int olen) {
int String_to_Hex(unsigned char* input, int ilen, unsigned char *output, int olen) {
    int count = 0;
    unsigned char *iptr = input;
    unsigned char *optr = &output[0];
    const char *hex = "0123456789ABCDEF";

    for (int i = 0; i < ilen && count < olen - 1; i++, count += 2) {
	sprintf(output + count, "%02X", input[i] & 0xff);
        *optr++ = hex[(*iptr>>4)&0xF];
        *optr++ = hex[(*iptr++)&0xF];
    }
    output[count] = 0;
    *optr = 0;
    return count;
}

/*
 * BIO to Buffer
 */
int BIO_to_Buffer(int result, BIO *bio, void *buffer, int size) {
︙
75
76
77
78
79
80
81
82

83
84
85

86
87
88
89
90
91
92

79
80
81
82
83
84
85

86
87
88

89
90
91
92
93
94
95
96








-
+


-
+








 */
Tcl_Obj *Tls_x509Identifier(ASN1_OCTET_STRING *astring) {
    Tcl_Obj *resultPtr = NULL;
    int len = 0;
    char buffer[1024];

    if (astring != NULL) {
	len = String_to_Hex((char *)ASN1_STRING_get0_data(astring),
	len = String_to_Hex(ASN1_STRING_get0_data(astring),
	    ASN1_STRING_length(astring), buffer, 1024);
    }
    resultPtr = Tcl_NewStringObj(buffer, (Tcl_Size) len);
    resultPtr = Tcl_NewStringObj(buffer, len);
    return resultPtr;
}

/*
 * Get Key Usage
 */
Tcl_Obj *Tls_x509KeyUsage(Tcl_Interp *interp, X509 *cert, uint32_t xflags) {
︙
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    }

    if (names = X509_get_ext_d2i(cert, nid, NULL, NULL)) {
	for (int i=0; i < sk_GENERAL_NAME_num(names); i++) {
	    const GENERAL_NAME *name = sk_GENERAL_NAME_value(names, i);

	    len = BIO_to_Buffer(name && GENERAL_NAME_print(bio, name), bio, buffer, 1024);
	    LAPPEND_STR(interp, listPtr, NULL, buffer, (Tcl_Size) len);
	    LAPPEND_STR(interp, listPtr, NULL, buffer, len);
	}
	sk_GENERAL_NAME_pop_free(names, GENERAL_NAME_free);
    }
    return listPtr;
}

/*
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	    if (distpoint->type == 0) {
		/* full-name GENERALIZEDNAME */
		for (int j = 0; j < sk_GENERAL_NAME_num(distpoint->name.fullname); j++) {
		    GENERAL_NAME *gen = sk_GENERAL_NAME_value(distpoint->name.fullname, j);
		    int type;
		    ASN1_STRING *uri = GENERAL_NAME_get0_value(gen, &type);
		    if (type == GEN_URI) {
			LAPPEND_STR(interp, listPtr, NULL, ASN1_STRING_get0_data(uri), (Tcl_Size) ASN1_STRING_length(uri));
			LAPPEND_STR(interp, listPtr, NULL, ASN1_STRING_get0_data(uri), ASN1_STRING_length(uri));
		    }
		}
	    } else if (distpoint->type == 1) {
		/* relative-name X509NAME */
		STACK_OF(X509_NAME_ENTRY) *sk_relname = distpoint->name.relativename;
		for (int j = 0; j < sk_X509_NAME_ENTRY_num(sk_relname); j++) {
		    X509_NAME_ENTRY *e = sk_X509_NAME_ENTRY_value(sk_relname, j);
		    ASN1_STRING *d = X509_NAME_ENTRY_get_data(e);
		    LAPPEND_STR(interp, listPtr, NULL, ASN1_STRING_data(d), (Tcl_Size) ASN1_STRING_length(d));
		    LAPPEND_STR(interp, listPtr, NULL, ASN1_STRING_data(d), ASN1_STRING_length(d));
		}
	    }
	}
	CRL_DIST_POINTS_free(crl);
    }
    return listPtr;
}
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    if (ads = X509_get_ext_d2i(cert, NID_info_access, NULL, NULL)) {
	for (int i = 0; i < sk_ACCESS_DESCRIPTION_num(ads); i++) {
	    ad = sk_ACCESS_DESCRIPTION_value(ads, i);
	    if (OBJ_obj2nid(ad->method) == NID_ad_ca_issuers && ad->location) {
		if (ad->location->type == GEN_URI) {
		    len = ASN1_STRING_to_UTF8(&buf, ad->location->d.uniformResourceIdentifier);
		    Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewStringObj(buf, (Tcl_Size) len));
		    Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewStringObj(buf, len));
		    OPENSSL_free(buf);
		    break;
		}
	    }
	}
	/* sk_ACCESS_DESCRIPTION_pop_free(ads, ACCESS_DESCRIPTION_free); */
	AUTHORITY_INFO_ACCESS_free(ads);
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	int sig_nid;

	X509_get0_signature(&sig, &sig_alg, cert);
	/* sig_nid = X509_get_signature_nid(cert) */
	sig_nid = OBJ_obj2nid(sig_alg->algorithm);
	LAPPEND_STR(interp, certPtr, "signatureAlgorithm", OBJ_nid2ln(sig_nid), -1);
	len = (sig_nid != NID_undef) ? String_to_Hex(sig->data, sig->length, buffer, BUFSIZ) : 0;
	LAPPEND_STR(interp, certPtr, "signatureValue", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "signatureValue", buffer, len);
    }

    /* Version of the encoded certificate - RFC 5280 section 4.1.2.1 */
    LAPPEND_LONG(interp, certPtr, "version", X509_get_version(cert)+1);

    /* Unique number assigned by CA to certificate - RFC 5280 section 4.1.2.2 */
    len = BIO_to_Buffer(i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert)), bio, buffer, BUFSIZ);
    LAPPEND_STR(interp, certPtr, "serialNumber", buffer, (Tcl_Size) len);
    LAPPEND_STR(interp, certPtr, "serialNumber", buffer, len);

    /* Signature algorithm used by the CA to sign the certificate. Must match
	signatureAlgorithm. RFC 5280 section 4.1.2.3 */
    LAPPEND_STR(interp, certPtr, "signature", OBJ_nid2ln(X509_get_signature_nid(cert)), -1);

    /* Issuer identifies the entity that signed and issued the cert. RFC 5280 section 4.1.2.4 */
    len = BIO_to_Buffer(X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags), bio, buffer, BUFSIZ);
    LAPPEND_STR(interp, certPtr, "issuer", buffer, (Tcl_Size) len);
    LAPPEND_STR(interp, certPtr, "issuer", buffer, len);

    /* Certificate validity period is the interval the CA warrants that it will
	maintain info on the status of the certificate. RFC 5280 section 4.1.2.5 */
    /* Get Validity - Not Before */
    len = BIO_to_Buffer(ASN1_TIME_print(bio, X509_get0_notBefore(cert)), bio, buffer, BUFSIZ);
    LAPPEND_STR(interp, certPtr, "notBefore", buffer, (Tcl_Size) len);
    LAPPEND_STR(interp, certPtr, "notBefore", buffer, len);

    /* Get Validity - Not After */
    len = BIO_to_Buffer(ASN1_TIME_print(bio, X509_get0_notAfter(cert)), bio, buffer, BUFSIZ);
    LAPPEND_STR(interp, certPtr, "notAfter", buffer, (Tcl_Size) len);
    LAPPEND_STR(interp, certPtr, "notAfter", buffer, len);

    /* Subject identifies the entity associated with the public key stored in
	the subject public key field. RFC 5280 section 4.1.2.6 */
    len = BIO_to_Buffer(X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags), bio, buffer, BUFSIZ);
    LAPPEND_STR(interp, certPtr, "subject", buffer, (Tcl_Size) len);
    LAPPEND_STR(interp, certPtr, "subject", buffer, len);

    /* SHA1 Digest (Fingerprint) of cert - DER representation */
    if (X509_digest(cert, EVP_sha1(), md, &len)) {
    len = String_to_Hex(md, len, buffer, BUFSIZ);
	LAPPEND_STR(interp, certPtr, "sha1_hash", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "sha1_hash", buffer, len);
    }

    /* SHA256 Digest (Fingerprint) of cert - DER representation */
    if (X509_digest(cert, EVP_sha256(), md, &len)) {
    len = String_to_Hex(md, len, buffer, BUFSIZ);
	LAPPEND_STR(interp, certPtr, "sha256_hash", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "sha256_hash", buffer, len);
    }

    /* Subject Public Key Info specifies the public key and identifies the
	algorithm with which the key is used. RFC 5280 section 4.1.2.7 */
    if (X509_get_signature_info(cert, &mdnid, &pknid, &bits, &xflags)) {
	ASN1_BIT_STRING *key;
	unsigned int n;

	LAPPEND_STR(interp, certPtr, "signingDigest", OBJ_nid2ln(mdnid), -1);
	LAPPEND_STR(interp, certPtr, "publicKeyAlgorithm", OBJ_nid2ln(pknid), -1);
	LAPPEND_INT(interp, certPtr, "bits", bits); /* Effective security bits */

	key = X509_get0_pubkey_bitstr(cert);
	len = String_to_Hex(key->data, key->length, buffer, BUFSIZ);
	LAPPEND_STR(interp, certPtr, "publicKey", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "publicKey", buffer, len);

	len = 0;
	if (X509_pubkey_digest(cert, EVP_get_digestbynid(pknid), md, &n)) {
	    len = String_to_Hex(md, (int)n, buffer, BUFSIZ);
	}
	LAPPEND_STR(interp, certPtr, "publicKeyHash", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "publicKeyHash", buffer, len);

	/* digest of the DER representation of the certificate */
	len = 0;
	if (X509_digest(cert, EVP_get_digestbynid(mdnid), md, &n)) {
	    len = String_to_Hex(md, (int)n, buffer, BUFSIZ);
	}
	LAPPEND_STR(interp, certPtr, "signatureHash", buffer, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "signatureHash", buffer, len);
    }

    /* Certificate Purpose. Call before checking for extensions. */
    LAPPEND_STR(interp, certPtr, "purpose", Tls_x509Purpose(cert), -1);
    LAPPEND_OBJ(interp, certPtr, "certificatePurpose", Tls_x509Purposes(interp, cert));

    /* Get extensions flags */
︙
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	and/or issuer names over time. RFC 5280 section 4.1.2.8 */
    {
	const ASN1_BIT_STRING *iuid, *suid;
        X509_get0_uids(cert, &iuid, &suid);

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerUniqueId", -1));
	if (iuid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, (Tcl_Size) iuid->length));
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, iuid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectUniqueId", -1));
	if (suid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, (Tcl_Size) suid->length));
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, suid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
    }

    /* X509 v3 Extensions - RFC 5280 section 4.1.2.9 */
    LAPPEND_INT(interp, certPtr, "extCount", X509_get_ext_count(cert));
︙
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    /* Subject Information Access - RFC 5280 section 4.2.2.2, NID_sinfo_access */

    /* Certificate Alias. If uses a PKCS#12 structure, alias will reflect the
	friendlyName attribute (RFC 2985). */
    {
	len = 0;
        char *string = X509_alias_get0(cert, &len);
	LAPPEND_STR(interp, certPtr, "alias", string, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "alias", string, len);
    }

    /* Certificate and dump all data */
    {
	char certStr[CERT_STR_SIZE];

	/* Get certificate */
	len = BIO_to_Buffer(PEM_write_bio_X509(bio, cert), bio, certStr, CERT_STR_SIZE);
	LAPPEND_STR(interp, certPtr, "certificate", certStr, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "certificate", certStr, len);

	/* Get all cert info */
	len = BIO_to_Buffer(X509_print_ex(bio, cert, flags, 0), bio, certStr, CERT_STR_SIZE);
	LAPPEND_STR(interp, certPtr, "all", certStr, (Tcl_Size) len);
	LAPPEND_STR(interp, certPtr, "all", certStr, len);
    }

    BIO_free(bio);
    return certPtr;
}

Modified tests/ciphers.csv from [f4aff3652a] to [ed55bdfb63]. 

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# Group,Name,Constraints,Setup,Body,Cleanup,Match,Result,Output,Error Output,Return Codes
command,package require tls,,,,,,,,,
command,,,,,,,,,,
command,# Make sure path includes location of OpenSSL executable,,,,,,,,,
command,"if {[info exists ::env(OPENSSL)]} {set ::env(path) [string cat [file join $::env(OPENSSL) bin] "";"" $::env(path)}",,,,,,,,,
command,"if {[info exists ::env(OPENSSL)]} {set ::env(path) [string cat [file join $::env(OPENSSL) bin] "";"" $::env(path)]}",,,,,,,,,
command,,,,,,,,,,
command,# Constraints,,,,,,,,,
command,set protocols [list ssl2 ssl3 tls1 tls1.1 tls1.2 tls1.3],,,,,,,,,
command,foreach protocol $protocols {::tcltest::testConstraint $protocol 0},,,,,,,,,
command,foreach protocol [::tls::protocols] {::tcltest::testConstraint $protocol 1},,,,,,,,,
command,"::tcltest::testConstraint OpenSSL [string match ""OpenSSL*"" [::tls::version]]",,,,,,,,,
,,,,,,,,,,
command,# Helper functions,,,,,,,,,
command,"proc lcompare {list1 list2} {set m """";set u """";foreach i $list1 {if {$i ni $list2} {lappend m $i}};foreach i $list2 {if {$i ni $list1} {lappend u $i}};return [list ""missing"" $m ""unexpected"" $u]}",,,,,,,,,
command,proc exec_get {delim args} {return [split [exec openssl {*}$args] $delim]},,,,,,,,,
command,"proc exec_get_ciphers {} {set list [list];set data [exec openssl ciphers ALL];foreach cipher [split $data "":""] {lappend list [string tolower $cipher]};return [lsort $list]}",,,,,,,,,
command,"proc exec_get_digests {} {set list [list];set data [exec openssl dgst -list];foreach line [split $data ""\n""] {foreach digest $line {if {[string match ""-*"" $digest]} {lappend list [string trimleft $digest ""-""]}}};return [lsort $list]}",,,,,,,,,
,,,,,,,,,,
command,# Test protocols,,,,,,,,,
Protocols,All,,,lcompare $protocols [::tls::protocols],,,missing {ssl2 ssl3} unexpected {},,,
command,# Test list ciphers,,,,,,,,,
CiphersAll,,,,lcompare [lsort [exec_get_ciphers]] [lsort [::tls::ciphers]],,,missing {} unexpected {},,,
,,,,,,,,,,
command,# Test ciphers,,,,,,,,,
CiphersAll,SSL2,ssl2,,"lcompare [exec_get "":"" ciphers -ssl2] [::tls::ciphers ssl2]",,,missing {} unexpected {},,,
CiphersAll,SSL3,ssl3,,"lcompare [exec_get "":"" ciphers -ssl3] [::tls::ciphers ssl3]",,,missing {} unexpected {},,,
CiphersAll,TLS1,tls1,,"lcompare [exec_get "":"" ciphers -tls1] [::tls::ciphers tls1]",,,missing {} unexpected {},,,
CiphersAll,TLS1.1,tls1.1,,"lcompare [exec_get "":"" ciphers -tls1_1] [::tls::ciphers tls1.1]",,,missing {} unexpected {},,,
CiphersAll,TLS1.2,tls1.2,,"lcompare [exec_get "":"" ciphers -tls1_2] [::tls::ciphers tls1.2]",,,missing {} unexpected {},,,
CiphersAll,TLS1.3,tls1.3,,"lcompare [exec_get "":"" ciphers -tls1_3] [::tls::ciphers tls1.3]",,,missing {} unexpected {},,,
command,# Test list ciphers for protocols,,,,,,,,,
CiphersProtocols,SSL2,ssl2,,"lcompare [exec_get "":"" ciphers -ssl2] [::tls::ciphers ssl2]",,,missing {} unexpected {},,,
CiphersProtocols,SSL3,ssl3,,"lcompare [exec_get "":"" ciphers -ssl3] [::tls::ciphers ssl3]",,,missing {} unexpected {},,,
CiphersProtocols,TLS1,tls1,,"lcompare [exec_get "":"" ciphers -tls1] [::tls::ciphers tls1]",,,missing {} unexpected {},,,
CiphersProtocols,TLS1.1,tls1.1,,"lcompare [exec_get "":"" ciphers -tls1_1] [::tls::ciphers tls1.1]",,,missing {} unexpected {},,,
CiphersProtocols,TLS1.2,tls1.2,,"lcompare [exec_get "":"" ciphers -tls1_2] [::tls::ciphers tls1.2]",,,missing {} unexpected {},,,
CiphersProtocols,TLS1.3,tls1.3,,"lcompare [exec_get "":"" ciphers -tls1_3] [::tls::ciphers tls1.3]",,,missing {} unexpected {},,,
,,,,,,,,,,
command,# Test cipher descriptions,,,,,,,,,
CiphersDesc,SSL2,ssl2,,"lcompare [exec_get ""\r\n"" ciphers -ssl2 -v] [split [string trim [::tls::ciphers ssl2 1]] \n]",,,missing {} unexpected {},,,
CiphersDesc,SSL3,ssl3,,"lcompare [exec_get ""\r\n"" ciphers -ssl3 -v] [split [string trim [::tls::ciphers ssl3 1]] \n]",,,missing {} unexpected {},,,
CiphersDesc,TLS1,tls1,,"lcompare [exec_get ""\r\n"" ciphers -tls1 -v] [split [string trim [::tls::ciphers tls1 1]] \n]",,,missing {} unexpected {},,,
CiphersDesc,TLS1.1,tls1.1,,"lcompare [exec_get ""\r\n"" ciphers -tls1_1 -v] [split [string trim [::tls::ciphers tls1.1 1]] \n]",,,missing {} unexpected {},,,
CiphersDesc,TLS1.2,tls1.2,,"lcompare [exec_get ""\r\n"" ciphers -tls1_2 -v] [split [string trim [::tls::ciphers tls1.2 1]] \n]",,,missing {} unexpected {},,,
CiphersDesc,TLS1.3,tls1.3,,"lcompare [exec_get ""\r\n"" ciphers -tls1_3 -v] [split [string trim [::tls::ciphers tls1.3 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,SSL2,ssl2,,"lcompare [exec_get ""\r\n"" ciphers -ssl2 -v] [split [string trim [::tls::ciphers ssl2 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,SSL3,ssl3,,"lcompare [exec_get ""\r\n"" ciphers -ssl3 -v] [split [string trim [::tls::ciphers ssl3 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,TLS1,tls1,,"lcompare [exec_get ""\r\n"" ciphers -tls1 -v] [split [string trim [::tls::ciphers tls1 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,TLS1.1,tls1.1,,"lcompare [exec_get ""\r\n"" ciphers -tls1_1 -v] [split [string trim [::tls::ciphers tls1.1 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,TLS1.2,tls1.2,,"lcompare [exec_get ""\r\n"" ciphers -tls1_2 -v] [split [string trim [::tls::ciphers tls1.2 1]] \n]",,,missing {} unexpected {},,,
CiphersDescriptions,TLS1.3,tls1.3,,"lcompare [exec_get ""\r\n"" ciphers -tls1_3 -v] [split [string trim [::tls::ciphers tls1.3 1]] \n]",,,missing {} unexpected {},,,
,,,,,,,,,,
command,# Test protocol specific ciphers,,,,,,,,,
CiphersSpecific,SSL2,ssl2,,"lcompare [exec_get "":"" ciphers -ssl2 -s] [::tls::ciphers ssl2 0 1]",,,missing {} unexpected {},,,
CiphersSpecific,SSL3,ssl3,,"lcompare [exec_get "":"" ciphers -ssl3 -s] [::tls::ciphers ssl3 0 1]",,,missing {} unexpected {},,,
CiphersSpecific,TLS1,tls1,,"lcompare [exec_get "":"" ciphers -tls1 -s] [::tls::ciphers tls1 0 1]",,,missing {} unexpected {},,,
CiphersSpecific,TLS1.1,tls1.1,,"lcompare [exec_get "":"" ciphers -tls1_1 -s] [::tls::ciphers tls1.1 0 1]",,,missing {} unexpected {},,,
CiphersSpecific,TLS1.2,tls1.2,,"lcompare [exec_get "":"" ciphers -tls1_2 -s] [::tls::ciphers tls1.2 0 1]",,,missing {} unexpected {},,,
CiphersSpecific,TLS1.3,tls1.3,,"lcompare [exec_get "":"" ciphers -tls1_3 -s] [::tls::ciphers tls1.3 0 1]",,,missing {} unexpected {},,,
,,,,,,,,,,
command,# Test version,,,,,,,,,
Version,All,,,::tls::version,,glob,*,,,
Version,OpenSSL,OpenSSL,,::tls::version,,glob,OpenSSL*,,,
,,,,,,,,,,
command,# Test list digests,,,,,,,,,
Digest List,Digest List,,,lcompare [lsort [exec_get_digests]] [lsort [tls::digests]],,,missing {} unexpected {},,,
,,,,,,,,,,
command,# Test Digests,,,,,,,,,
Digest,md4 opt,,,"tls::md4 ""Example string for message digest tests.""",,,181CDCF9DB9B6FA8FC0A3BF9C34E29D9,,,
Digest,md5 opt,,,"tls::md5 ""Example string for message digest tests.""",,,CCB1BE2E11D8183E843FF73DA8C6D206,,,
Digest,sha1 opt,,,"tls::sha1 ""Example string for message digest tests.""",,,3AEFE840CA492C387E903F15ED6019E7AD833B47,,,
Digest,sha256 opt,,,"tls::sha256 ""Example string for message digest tests.""",,,B7DFDDEB0314A74FF56A8AC1E3DC57DF09BB52A96DA50F6549EB62CA61A0A491,,,
Digest,md4,,,"tls::digest md4 ""Example string for message digest tests.""",,,181CDCF9DB9B6FA8FC0A3BF9C34E29D9,,,
Digest,md5,,,"tls::digest md5 ""Example string for message digest tests.""",,,CCB1BE2E11D8183E843FF73DA8C6D206,,,
Digest,sha1,,,"tls::digest sha1 ""Example string for message digest tests.""",,,3AEFE840CA492C387E903F15ED6019E7AD833B47,,,
Digest,sha256,,,"tls::digest sha256 ""Example string for message digest tests.""",,,B7DFDDEB0314A74FF56A8AC1E3DC57DF09BB52A96DA50F6549EB62CA61A0A491,,,
,,,,,,,,,,
command,# Test protocols,,,,,,,,,
Protocols,All,,,lcompare $protocols [::tls::protocols],,,missing {ssl2 ssl3} unexpected {},,,

Modified tests/ciphers.test from [212c1bf055] to [1825bf394f]. 

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# Auto generated test cases for ciphers_and_protocols.csv
# Auto generated test cases for ciphers.csv

# Load Tcl Test package
if {[lsearch [namespace children] ::tcltest] == -1} {
	package require tcltest
	namespace import ::tcltest::*
}

set auto_path [concat [list [file dirname [file dirname [info script]]]] $auto_path]

package require tls

# Make sure path includes location of OpenSSL executable
if {[info exists ::env(OPENSSL)]} {set ::env(path) [string cat [file join $::env(OPENSSL) bin] ";" $::env(path)}
if {[info exists ::env(OPENSSL)]} {set ::env(path) [string cat [file join $::env(OPENSSL) bin] ";" $::env(path)]}

# Constraints
set protocols [list ssl2 ssl3 tls1 tls1.1 tls1.2 tls1.3]
foreach protocol $protocols {::tcltest::testConstraint $protocol 0}
foreach protocol [::tls::protocols] {::tcltest::testConstraint $protocol 1}
::tcltest::testConstraint OpenSSL [string match "OpenSSL*" [::tls::version]]
# Helper functions
proc lcompare {list1 list2} {set m "";set u "";foreach i $list1 {if {$i ni $list2} {lappend m $i}};foreach i $list2 {if {$i ni $list1} {lappend u $i}};return [list "missing" $m "unexpected" $u]}
proc exec_get {delim args} {return [split [exec openssl {*}$args] $delim]}
proc exec_get_ciphers {} {set list [list];set data [exec openssl ciphers ALL];foreach cipher [split $data ":"] {lappend list [string tolower $cipher]};return [lsort $list]}
proc exec_get_digests {} {set list [list];set data [exec openssl dgst -list];foreach line [split $data "\n"] {foreach digest $line {if {[string match "-*" $digest]} {lappend list [string trimleft $digest "-"]}}};return [lsort $list]}
# Test protocols
# Test list ciphers


test Protocols-1.1 {All} -body {
	lcompare $protocols [::tls::protocols]
    } -result {missing {ssl2 ssl3} unexpected {}}
# Test ciphers
test CiphersAll-1.1 {} -body {
	lcompare [lsort [exec_get_ciphers]] [lsort [::tls::ciphers]]
    } -result {missing {} unexpected {}}
# Test list ciphers for protocols


test CiphersAll-2.1 {SSL2} -constraints {ssl2} -body {
test CiphersProtocols-2.1 {SSL2} -constraints {ssl2} -body {
	lcompare [exec_get ":" ciphers -ssl2] [::tls::ciphers ssl2]
    } -result {missing {} unexpected {}}

test CiphersAll-2.2 {SSL3} -constraints {ssl3} -body {
test CiphersProtocols-2.2 {SSL3} -constraints {ssl3} -body {
	lcompare [exec_get ":" ciphers -ssl3] [::tls::ciphers ssl3]
    } -result {missing {} unexpected {}}

test CiphersAll-2.3 {TLS1} -constraints {tls1} -body {
test CiphersProtocols-2.3 {TLS1} -constraints {tls1} -body {
	lcompare [exec_get ":" ciphers -tls1] [::tls::ciphers tls1]
    } -result {missing {} unexpected {}}

test CiphersAll-2.4 {TLS1.1} -constraints {tls1.1} -body {
test CiphersProtocols-2.4 {TLS1.1} -constraints {tls1.1} -body {
	lcompare [exec_get ":" ciphers -tls1_1] [::tls::ciphers tls1.1]
    } -result {missing {} unexpected {}}

test CiphersAll-2.5 {TLS1.2} -constraints {tls1.2} -body {
test CiphersProtocols-2.5 {TLS1.2} -constraints {tls1.2} -body {
	lcompare [exec_get ":" ciphers -tls1_2] [::tls::ciphers tls1.2]
    } -result {missing {} unexpected {}}

test CiphersAll-2.6 {TLS1.3} -constraints {tls1.3} -body {
test CiphersProtocols-2.6 {TLS1.3} -constraints {tls1.3} -body {
	lcompare [exec_get ":" ciphers -tls1_3] [::tls::ciphers tls1.3]
    } -result {missing {} unexpected {}}
# Test cipher descriptions


test CiphersDesc-3.1 {SSL2} -constraints {ssl2} -body {
test CiphersDescriptions-3.1 {SSL2} -constraints {ssl2} -body {
	lcompare [exec_get "\r\n" ciphers -ssl2 -v] [split [string trim [::tls::ciphers ssl2 1]] \n]
    } -result {missing {} unexpected {}}

test CiphersDesc-3.2 {SSL3} -constraints {ssl3} -body {
test CiphersDescriptions-3.2 {SSL3} -constraints {ssl3} -body {
	lcompare [exec_get "\r\n" ciphers -ssl3 -v] [split [string trim [::tls::ciphers ssl3 1]] \n]
    } -result {missing {} unexpected {}}

test CiphersDesc-3.3 {TLS1} -constraints {tls1} -body {
test CiphersDescriptions-3.3 {TLS1} -constraints {tls1} -body {
	lcompare [exec_get "\r\n" ciphers -tls1 -v] [split [string trim [::tls::ciphers tls1 1]] \n]
    } -result {missing {} unexpected {}}

test CiphersDesc-3.4 {TLS1.1} -constraints {tls1.1} -body {
test CiphersDescriptions-3.4 {TLS1.1} -constraints {tls1.1} -body {
	lcompare [exec_get "\r\n" ciphers -tls1_1 -v] [split [string trim [::tls::ciphers tls1.1 1]] \n]
    } -result {missing {} unexpected {}}

test CiphersDesc-3.5 {TLS1.2} -constraints {tls1.2} -body {
test CiphersDescriptions-3.5 {TLS1.2} -constraints {tls1.2} -body {
	lcompare [exec_get "\r\n" ciphers -tls1_2 -v] [split [string trim [::tls::ciphers tls1.2 1]] \n]
    } -result {missing {} unexpected {}}

test CiphersDesc-3.6 {TLS1.3} -constraints {tls1.3} -body {
test CiphersDescriptions-3.6 {TLS1.3} -constraints {tls1.3} -body {
	lcompare [exec_get "\r\n" ciphers -tls1_3 -v] [split [string trim [::tls::ciphers tls1.3 1]] \n]
    } -result {missing {} unexpected {}}
# Test protocol specific ciphers


test CiphersSpecific-4.1 {SSL2} -constraints {ssl2} -body {
	lcompare [exec_get ":" ciphers -ssl2 -s] [::tls::ciphers ssl2 0 1]
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test Version-5.1 {All} -body {
	::tls::version
    } -match {glob} -result {*}

test Version-5.2 {OpenSSL} -constraints {OpenSSL} -body {
	::tls::version
    } -match {glob} -result {OpenSSL*}
# Test list digests


test Digest_List-6.1 {Digest List} -body {
	lcompare [lsort [exec_get_digests]] [lsort [tls::digests]]
    } -result {missing {} unexpected {}}
# Test Digests


test Digest-7.1 {md4 opt} -body {
	tls::md4 "Example string for message digest tests."
    } -result {181CDCF9DB9B6FA8FC0A3BF9C34E29D9}

test Digest-7.2 {md5 opt} -body {
	tls::md5 "Example string for message digest tests."
    } -result {CCB1BE2E11D8183E843FF73DA8C6D206}

test Digest-7.3 {sha1 opt} -body {
	tls::sha1 "Example string for message digest tests."
    } -result {3AEFE840CA492C387E903F15ED6019E7AD833B47}

test Digest-7.4 {sha256 opt} -body {
	tls::sha256 "Example string for message digest tests."
    } -result {B7DFDDEB0314A74FF56A8AC1E3DC57DF09BB52A96DA50F6549EB62CA61A0A491}

test Digest-7.5 {md4} -body {
	tls::digest md4 "Example string for message digest tests."
    } -result {181CDCF9DB9B6FA8FC0A3BF9C34E29D9}

test Digest-7.6 {md5} -body {
	tls::digest md5 "Example string for message digest tests."
    } -result {CCB1BE2E11D8183E843FF73DA8C6D206}

test Digest-7.7 {sha1} -body {
	tls::digest sha1 "Example string for message digest tests."
    } -result {3AEFE840CA492C387E903F15ED6019E7AD833B47}

test Digest-7.8 {sha256} -body {
	tls::digest sha256 "Example string for message digest tests."
    } -result {B7DFDDEB0314A74FF56A8AC1E3DC57DF09BB52A96DA50F6549EB62CA61A0A491}
# Test protocols


test Protocols-8.1 {All} -body {
	lcompare $protocols [::tls::protocols]
    } -result {missing {ssl2 ssl3} unexpected {}}

# Cleanup
::tcltest::cleanupTests
return

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