Changes On Branch 94f8408d0d20d008

Changes In Branch crypto Through [94f8408d0d] Excluding Merge-Ins

This is equivalent to a diff from c498845865 to 94f8408d0d

2023-12-29
03:09
Merged in dh branch check-in: 594dfd3195 user: bohagan tags: trunk
2023-12-28
20:01
Created DH branch check-in: 22f9df2429 user: bohagan tags: dh
2023-12-25
02:04
Added KDF test cases check-in: 4cc32676a2 user: bohagan tags: crypto
2023-12-24
22:57
Moved common get cipher, digest, etc. functions to tlsUtil.c file. Renamed tlsKey.c to tlsKDF.c to better reflect contents. Standardized error messages. check-in: 94f8408d0d user: bohagan tags: crypto
06:36
Added MAC test vectors. Added all.tcl files to each test subdirectory so all tests run. Updated Hash and KDF test vectors to add missing cleanupTests. Corrected bug with using dash in constraints. Added constraints for ciphers, digests, and kdfs. check-in: feef0d0cef user: bohagan tags: crypto
2023-12-21
20:15
Merged in master changes check-in: 265ace08fe user: bohagan tags: crypto
19:56
Optimized Init stub load and package require. Use general pkhIndex.tcl file. check-in: c498845865 user: bohagan tags: trunk
2023-12-11
10:37
Updated to latest tclconfig changes check-in: 98e3157245 user: bohagan tags: trunk

Modified configure from [4c56eae107] to [5d330fed91].

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# stub library C source files to compile in TEA_ADD_STUB_SOURCES,
# and runtime Tcl library files in TEA_ADD_TCL_SOURCES.
# This defines PKG(_STUB)_SOURCES, PKG(_STUB)_OBJECTS, PKG_HEADERS
# and PKG_TCL_SOURCES.
#-----------------------------------------------------------------------


    vars="tls.c tlsBIO.c tlsIO.c tlsX509.c"
    for i in $vars; do
	case $i in
	    \$*)
		# allow $-var names
		PKG_SOURCES="$PKG_SOURCES $i"
		PKG_OBJECTS="$PKG_OBJECTS $i"
		;;







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# stub library C source files to compile in TEA_ADD_STUB_SOURCES,
# and runtime Tcl library files in TEA_ADD_TCL_SOURCES.
# This defines PKG(_STUB)_SOURCES, PKG(_STUB)_OBJECTS, PKG_HEADERS
# and PKG_TCL_SOURCES.
#-----------------------------------------------------------------------


    vars="tls.c tlsBIO.c tlsDigest.c tlsEncrypt.c tlsInfo.c tlsIO.c tlsKDF.c tlsUtil.c tlsX509.c"
    for i in $vars; do
	case $i in
	    \$*)
		# allow $-var names
		PKG_SOURCES="$PKG_SOURCES $i"
		PKG_OBJECTS="$PKG_OBJECTS $i"
		;;

Modified configure.ac from [ac9d3aa5eb] to [f02a7eeac0].

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# public headers that need to be installed in TEA_ADD_HEADERS,
# stub library C source files to compile in TEA_ADD_STUB_SOURCES,
# and runtime Tcl library files in TEA_ADD_TCL_SOURCES.
# This defines PKG(_STUB)_SOURCES, PKG(_STUB)_OBJECTS, PKG_HEADERS
# and PKG_TCL_SOURCES.
#-----------------------------------------------------------------------

TEA_ADD_SOURCES([tls.c tlsBIO.c tlsIO.c tlsX509.c])
TEA_ADD_HEADERS([generic/tls.h])
TEA_ADD_INCLUDES([])
TEA_ADD_LIBS([])
TEA_ADD_CFLAGS([])
TEA_ADD_STUB_SOURCES([])
TEA_ADD_TCL_SOURCES([library/tls.tcl])








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# public headers that need to be installed in TEA_ADD_HEADERS,
# stub library C source files to compile in TEA_ADD_STUB_SOURCES,
# and runtime Tcl library files in TEA_ADD_TCL_SOURCES.
# This defines PKG(_STUB)_SOURCES, PKG(_STUB)_OBJECTS, PKG_HEADERS
# and PKG_TCL_SOURCES.
#-----------------------------------------------------------------------

TEA_ADD_SOURCES([tls.c tlsBIO.c tlsDigest.c tlsEncrypt.c tlsInfo.c tlsIO.c tlsKDF.c tlsUtil.c tlsX509.c])
TEA_ADD_HEADERS([generic/tls.h])
TEA_ADD_INCLUDES([])
TEA_ADD_LIBS([])
TEA_ADD_CFLAGS([])
TEA_ADD_STUB_SOURCES([])
TEA_ADD_TCL_SOURCES([library/tls.tcl])

Added doc/cryptography.html version [b22c8f2c44].

Added doc/docs.css version [0ab4787813].

Modified doc/tls.html from [ec5645fd47] to [12b4e9e9d7].

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<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>

<head>
<meta http-equiv="Content-Type"
content="text/html; charset=iso-8859-1">
<meta name="Copyright" content="1999 Matt Newman / 2004 Starfish Systems">
<title>TLS (SSL) Tcl Commands</title>

</head>


<body bgcolor="#FFFFFF">


<dl>
    <dd><a href="#NAME">NAME</a>
    <dl>
	<dd><b>tls</b> - binding to <b>OpenSSL</b> toolkit.</dd>

    </dl>
    </dd>
    <dd><a href="#SYNOPSIS">SYNOPSIS</a> </dd>
    <dd><dl>
	    <dd><b>package require Tcl</b> <em>?8.4?</em></dd>
	    <dd><b>package require tls</b></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::init</b> <em>?options?</em> </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::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::protocols</b></dd>
	    <dd><b>tls::version</b></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>
<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>
</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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<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=iso-8859-1">
<meta name="Copyright" content="1999 Matt Newman / 2004 Starfish Systems">
<title>TLS (SSL) TCL Commands</title>
<link rel="stylesheet" href="docs.css" type="text/css" media="all">
</head>

<body class="vsc-initialized">

<h2>Tcl Tls Extension Documentation</h2>

<dl>
    <dd><a href="#NAME">NAME</a>
    <dl>
	<dd><b>tls</b> - binding to <b>OpenSSL</b> library
	for socket and I/O channel communications.</dd>
    </dl>
    </dd>
    <dd><a href="#SYNOPSIS">SYNOPSIS</a> </dd>
    <dd><dl>
	    <dd><b>package require Tcl</b> <em>?8.5?</em></dd>
	    <dd><b>package require tls</b></dd>
	    <dt>&nbsp;</dt>
	    <dd><b>tls::init</b> <em>?options?</em> </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::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::protocols</b></dd>
	    <dd><b>tls::version</b></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> library
for socket and I/O channel communications.</p>

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

<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::protocols"><b>tls::protocols</b></a><br>
<a href="#tls::version"><b>tls::version</b></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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    <dt>&nbsp;</dt>
    <dt><a name="tls::socket"><b>tls::socket </b><em>?options?
	host port</em></a></dt>
    <dt><b>tls::socket</b><em> ?-server command? ?options? port</em></dt>
    <dd>This is a helper function that utilizes the underlying
	commands (<strong>tls::import</strong>). It behaves
	exactly the same as the native Tcl <strong>socket</strong>
	command except that the options can include any of the
	applicable <a href="#tls::import"><strong>tls:import</strong></a>
	options with one additional option:
<blockquote>
    <dl>
	<dt><strong>-autoservername</strong> <em>bool</em></dt>
	<dd>Automatically send the -servername as the <em>host</em> argument
	    (default is <em>false</em>)</dd>
    </dl>
</blockquote>

    <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
	socket, but must provide bi-directional flow. Also
	setting session parameters for SSL handshake.</dd>

<blockquote>
    <dl>
	<dt><strong>-alpn</strong> <em>list</em></dt>
	<dd>List of protocols to offer during Application-Layer
	    Protocol Negotiation (ALPN). For example: <em>h2</em> and
	    <em>http/1.1</em>, but not <em>h3</em> or <em>quic</em>.</dd>







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    <dt>&nbsp;</dt>
    <dt><a name="tls::socket"><b>tls::socket </b><em>?options?
	host port</em></a></dt>
    <dt><b>tls::socket</b><em> ?-server command? ?options? port</em></dt>
    <dd>This is a helper function that utilizes the underlying
	commands (<strong>tls::import</strong>). It behaves
	exactly the same as the native Tcl <strong>socket</strong>
	command except the options can also include any of the
	applicable <a href="#tls::import"><strong>tls:import</strong></a>
	options with one additional option:</dd>
<blockquote>
    <dl>
	<dt><strong>-autoservername</strong> <em>bool</em></dt>
	<dd>Automatically set the -servername argument to the <em>host</em>
	    argument (default is <em>false</em>).</dd>
    </dl>
</blockquote>

    <dt><a name="tls::import"><b>tls::import </b><i>channel
	?options?</i></a></dt>
    <dd>Add SSL/TLS encryption to a regular Tcl channel. It need
	not be a socket, but must provide bi-directional flow. Also
	set session parameters for SSL handshake.</dd>

<blockquote>
    <dl>
	<dt><strong>-alpn</strong> <em>list</em></dt>
	<dd>List of protocols to offer during Application-Layer
	    Protocol Negotiation (ALPN). For example: <em>h2</em> and
	    <em>http/1.1</em>, but not <em>h3</em> or <em>quic</em>.</dd>
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	<dt><strong>-certfile</strong> <em>filename</em></dt>
	<dd>Specify the filename with the certificate to use.</dd>
	<dt><strong>-cert</strong> <em>filename</em></dt>
	<dd>Specify the contents of a certificate to use, as a DER
	    encoded binary value (X.509 DER).</dd>
	<dt><strong>-cipher</strong> <em>string</em></dt>
	<dd>List of ciphers to use. String is a colon (":") separated list
	    of ciphers or cipher suites. Cipher suites can be combined
	    using the <b>+</b> character. Prefixes can be used to permanently
	    remove ("!"), delete ("-"), or move a cypher to the end of
	    the list ("+"). Keywords <b>@STRENGTH</b> (sort by algorithm
	    key length), <b>@SECLEVEL=</b><i>n</i> (set security level to
	    n), and <b>DEFAULT</b> (use default cipher list, at start only)
	    can also be specified. See OpenSSL documentation for the full
	    list of valid values. (TLS 1.2 and earlier only)</dd>
	<dt><strong>-ciphersuites</strong> <em>string</em></dt>
	<dd>List of cipher suites to use. String is a colon (":")
	    separated list of cipher suite names. (TLS 1.3 only)</dd>
	<dt><strong>-command</strong> <em>callback</em></dt>
	<dd>Callback to invoke at several points during the handshake.
	    This is used to pass errors and tracing information, and
	    it can allow Tcl scripts to perform their own certificate
	    validation in place of the default validation provided by
	    OpenSSL. See <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
	<dt><strong>-dhparams </strong><em>filename</em></dt>
	<dd>Specify the Diffie-Hellman parameters file.</dd>
	<dt><strong>-keyfile</strong> <em>filename</em></dt>
	<dd>Specify the private key file. (default is
	    value of -certfile)</dd>
	<dt><strong>-key</strong> <em>filename</em></dt>
	<dd>Specify the private key to use as a DER encoded value (PKCS#1 DER)</dd>
	<dt><strong>-model</strong> <em>channel</em></dt>
	<dd>Force this channel to share the same <em><strong>SSL_CTX</strong></em>
	    structure as the specified <em>channel</em>, and
	    therefore share callbacks etc.</dd>
	<dt><strong>-password</strong> <em>callback</em></dt>
	<dd>Callback to invoke when OpenSSL needs to obtain a password,
	    typically to unlock the private key of a certificate. The
	    callback should return a string which represents the password
	    to be used. See <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
	<dt><strong>-post_handshake</strong> <em>bool</em></dt>
	<dd>Allow post-handshake ticket updates.</dd>
	<dt><strong>-request </strong><em>bool</em></dt>
	<dd>Request a certificate from peer during SSL handshake.
	    (default is <em>true</em>)</dd>
	<dt><strong>-require</strong> <em>bool</em></dt>
	<dd>Require a valid certificate from peer during SSL handshake.
	    If this is set to true, then <strong>-request</strong> must


	    also be set to true. (default is <em>false</em>)</dd>
	<dt><strong>-security_level</strong> <em>integer</em></dt>
	<dd>Set security level. Must be 0 to 5. The security level affects
	    cipher suite encryption algorithms, supported ECC curves,
	    supported signature algorithms, DH parameter sizes, certificate
	    key sizes and signature algorithms. The default is 1.
	    Level 3 and higher disable support for session tickets and only
	    accept cipher suites that provide forward secrecy.</dd>
	<dt><strong>-server</strong> <em>bool</em></dt>

	<dd>Handshake as server if true, else handshake as
	    client. (default is <em>false</em>)</dd>
	<dt><strong>-servername</strong> <em>host</em></dt>
	<dd>Specify server hostname. Only available if the OpenSSL library
	    the package is linked against supports the TLS hostname extension
	    for 'Server Name Indication' (SNI). Use to name the logical host
	    we are talking to and expecting a certificate for.</dd>

	<dt><strong>-session_id</strong> <em>string</em></dt>
	<dd>Session id to resume session.</dd>
	<dt><strong>-ssl2</strong> <em>bool</em></dt>
	<dd>Enable use of SSL v2. (default is <em>false</em>)</dd>
	<dt><strong>-ssl3 </strong><em>bool</em></dt>
	<dd>Enable use of SSL v3. (default is <em>false</em>)</dd>
	<dt>-<strong>tls1</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1. (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.1</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.1 (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.2</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.2 (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.3</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.3 (default is <em>true</em>)</dd>
	<dt><strong>-validatecommand</strong> <em>callback</em></dt>
	<dd>Callback to invoke to verify or validate protocol config
	    parameters during the protocol negotiation phase. See
	    <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
    </dl>
</blockquote>

    <dt><a name="tls::unimport"><b>tls::unimport </b><i>channel</i></a></dt>
    <dd>Provided for symmetry to <strong>tls::import</strong>, this
      unstacks the SSL-enabling of a regular Tcl channel.  An error
      is thrown if TLS is not the top stacked channel type.</dd>
    <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 status of the certificate for an SSL
	channel. The result is a list of key-value pairs describing
	the certificate. If the result is an empty list then the
	SSL handshake has not yet completed. If <em>-local</em> is

	specified, then the local certificate is used.</dd>
<blockquote>
	<b>SSL Status</b>
    <dl>
	<dt><strong>alpn</strong> <em>protocol</em></dt>
	<dd>The protocol selected after Application-Layer Protocol
	    Negotiation (ALPN).</dd>
	<dt><strong>cipher</strong> <em>cipher</em></dt>
	<dd>The current cipher in use between the client and
	    server channels.</dd>
	<dt><strong>peername</strong> <em>name</em></dt>
	<dd>The peername from the certificate.</dd>
	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>sbits</strong> <em>n</em></dt>
	<dd>The number of bits used for the session key.</dd>







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	<dt><strong>-certfile</strong> <em>filename</em></dt>
	<dd>Specify the filename with the certificate to use.</dd>
	<dt><strong>-cert</strong> <em>filename</em></dt>
	<dd>Specify the contents of a certificate to use, as a DER
	    encoded binary value (X.509 DER).</dd>
	<dt><strong>-cipher</strong> <em>string</em></dt>
	<dd>List of ciphers to use. String is a colon (":") separated list
	    of ciphers. Ciphers can be combined
	    using the <b>+</b> character. Prefixes can be used to permanently
	    remove ("!"), delete ("-"), or move a cypher to the end of
	    the list ("+"). Keywords <b>@STRENGTH</b> (sort by algorithm
	    key length), <b>@SECLEVEL=</b><i>n</i> (set security level to
	    n), and <b>DEFAULT</b> (use default cipher list, at start only)
	    can also be specified. See OpenSSL documentation for the full
	    list of valid values. (TLS 1.2 and earlier only)</dd>
	<dt><strong>-ciphersuites</strong> <em>string</em></dt>
	<dd>List of cipher suites to use. String is a colon (":")
	    separated list of cipher suite names. (TLS 1.3 only)</dd>
	<dt><strong>-command</strong> <em>callback</em></dt>
	<dd>Callback command to invoke at several points during the handshake.
	    This is used to pass errors and tracing information, and
	    it can allow Tcl scripts to perform their own certificate
	    validation in place of the default validation provided by
	    OpenSSL. See <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
	<dt><strong>-dhparams </strong><em>filename</em></dt>
	<dd>Specify the Diffie-Hellman parameters file.</dd>
	<dt><strong>-keyfile</strong> <em>filename</em></dt>
	<dd>Specify the private key file. (default is
	    value of -certfile)</dd>
	<dt><strong>-key</strong> <em>filename</em></dt>
	<dd>Specify the private key to use as a DER encoded value (PKCS#1 DER)</dd>
	<dt><strong>-model</strong> <em>channel</em></dt>
	<dd>Force this channel to share the same <em><strong>SSL_CTX</strong></em>
	    structure as the specified <em>channel</em>, and
	    therefore share callbacks etc.</dd>
	<dt><strong>-password</strong> <em>callback</em></dt>
	<dd>Callback command to invoke when OpenSSL needs to obtain a password.
	    Typically used to unlock the private key of a certificate. The
	    callback should return a string which represents the password
	    to be used. See <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
	<dt><strong>-post_handshake</strong> <em>bool</em></dt>
	<dd>Allow post-handshake ticket updates.</dd>
	<dt><strong>-request </strong><em>bool</em></dt>
	<dd>Request a certificate from peer during SSL handshake.
	    (default is <em>true</em>)</dd>
	<dt><strong>-require</strong> <em>bool</em></dt>
	<dd>Require a valid certificate from peer during SSL handshake.
	    If this is set to true, then <strong>-request</strong> must
	    also be set to true and a either a -cadir, -cafile, or platform
	    default must be provided in order to validate against.
	    (default is <em>false</em>)</dd>
	<dt><strong>-security_level</strong> <em>integer</em></dt>
	<dd>Set security level. Must be 0 to 5. The security level affects
	    the cipher suite encryption algorithms, supported ECC curves,
	    supported signature algorithms, DH parameter sizes, certificate
	    key sizes and signature algorithms. The default is 1.
	    Level 3 and higher disable support for session tickets and only
	    accept cipher suites that provide forward secrecy.</dd>
	<dt><strong>-server</strong> <em>bool</em></dt>
	<dd>Set to act as a server and respond with a server handshake when
	    a client connects and provides a client handshake.
	    (default is <em>false</em>)</dd>
	<dt><strong>-servername</strong> <em>host</em></dt>
	<dd>Specify server's hostname. Used to set the TLS 'Server Name

	    Indication' (SNI) extension. Set to the expected servername
	    in the server's certificate or one of the subjectAltName
	    alternates.</dd>
	<dt><strong>-session_id</strong> <em>string</em></dt>
	<dd>Session id to resume session.</dd>
	<dt><strong>-ssl2</strong> <em>bool</em></dt>
	<dd>Enable use of SSL v2. (default is <em>false</em>)</dd>
	<dt><strong>-ssl3 </strong><em>bool</em></dt>
	<dd>Enable use of SSL v3. (default is <em>false</em>)</dd>
	<dt>-<strong>tls1</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1. (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.1</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.1 (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.2</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.2 (default is <em>true</em>)</dd>
	<dt>-<strong>tls1.3</strong> <em>bool</em></dt>
	<dd>Enable use of TLS v1.3 (default is <em>true</em>)</dd>
	<dt><strong>-validatecommand</strong> <em>callback</em></dt>
	<dd>Callback command to invoke to verify or validate protocol config
	    parameters during the protocol negotiation phase. See
	    <a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a>
	    for further discussion.</dd>
    </dl>
</blockquote>

    <dt><a name="tls::unimport"><b>tls::unimport </b><i>channel</i></a></dt>
    <dd>Provided for symmetry to <strong>tls::import</strong>, this
      unstacks the encryption of a regular Tcl channel. An error
      is thrown if TLS is not the top stacked channel type.</dd>
    <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>?</em><b>-local</b><em>? channel</em></a></dt>
    <dd>Returns the current status of an SSL channel. The result is a list
	of key-value pairs describing the SSL, certificate, and certificate

	verification status. If the SSL handshake has not yet completed,
	an empty list is returned. If <b>-local</b> is specified, then the
	local certificate is used.</dd>
<blockquote>
	<b>SSL Status</b>
    <dl>
	<dt><strong>alpn</strong> <em>protocol</em></dt>
	<dd>The protocol selected after Application-Layer Protocol
	    Negotiation (ALPN).</dd>
	<dt><strong>cipher</strong> <em>cipher</em></dt>
	<dd>The current cipher in use between for the channel.</dd>

	<dt><strong>peername</strong> <em>name</em></dt>
	<dd>The peername from the certificate.</dd>
	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>sbits</strong> <em>n</em></dt>
	<dd>The number of bits used for the session key.</dd>
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    <dl>
	<dt><strong>all</strong> <em>string</em></dt>
	<dd>Dump of all certificate info.</dd>

	<dt><strong>version</strong> <em>value</em></dt>
	<dd>The certificate version.</dd>
	<dt><strong>serialNumber</strong> <em>n</em></dt>
	<dd>The serial number of the certificate as hex string.</dd>
	<dt><strong>signature</strong> <em>algorithm</em></dt>
	<dd>Cipher algorithm used for certificate signature.</dd>
	<dt><strong>issuer</strong> <em>dn</em></dt>
	<dd>The distinguished name (DN) of the certificate issuer.</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>







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    <dl>
	<dt><strong>all</strong> <em>string</em></dt>
	<dd>Dump of all certificate info.</dd>

	<dt><strong>version</strong> <em>value</em></dt>
	<dd>The certificate version.</dd>
	<dt><strong>serialNumber</strong> <em>n</em></dt>
	<dd>The serial number of the certificate as a hex string.</dd>
	<dt><strong>signature</strong> <em>algorithm</em></dt>
	<dd>Cipher algorithm used for certificate signature.</dd>
	<dt><strong>issuer</strong> <em>dn</em></dt>
	<dd>The distinguished name (DN) of the certificate issuer.</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>
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	<dt><strong>num_extensions</strong> <em>n</em></dt>
	<dd>Number of certificate extensions.</dd>
	<dt><strong>extensions</strong> <em>list</em></dt>
	<dd>List of certificate extension names.</dd>
	<dt><strong>authorityKeyIdentifier</strong> <em>string</em></dt>
	<dd>(AKI) Key identifier of the Issuing CA certificate that signed
	    the SSL certificate as hex string. This value matches the SKI
	    value of the Intermediate CA certificate.</dd>
	<dt><strong>subjectKeyIdentifier</strong> <em>string</em></dt>
	<dd>(SKI) Hash of the public key inside the certificate as hex
	   string. Used to identify certificates that contain a particular
	   public key.</dd>
	<dt><strong>subjectAltName</strong> <em>list</em></dt>
	<dd>List of all of the alternative domain names, sub domains,
	    and IP addresses that are secured by the certificate.</dd>
	<dt><strong>ocsp</strong> <em>list</em></dt>
	<dd>List of all Online Certificate Status Protocol (OCSP) URLs.</dd>

	<dt><strong>certificate</strong> <em>cert</em></dt>
	<dd>The PEM encoded certificate.</dd>

	<dt><strong>signatureAlgorithm</strong> <em>algorithm</em></dt>
	<dd>Cipher algorithm used for certificate signature.</dd>
	<dt><strong>signatureValue</strong> <em>string</em></dt>
	<dd>Certificate signature as hex string.</dd>
	<dt><strong>signatureDigest</strong> <em>version</em></dt>
	<dd>Certificate signing digest.</dd>
	<dt><strong>publicKeyAlgorithm</strong> <em>algorithm</em></dt>
	<dd>Certificate signature public key algorithm.</dd>
	<dt><strong>publicKey</strong> <em>string</em></dt>
	<dd>Certificate signature public key as hex string.</dd>
	<dt><strong>bits</strong> <em>n</em></dt>
	<dd>Number of bits used for certificate signature key</dd>
	<dt><strong>self_signed</strong> <em>boolean</em></dt>
	<dd>Is certificate signature self signed.</dd>

	<dt><strong>sha1_hash</strong> <em>hash</em></dt>
	<dd>The SHA1 hash of the certificate as hex string.</dd>
	<dt><strong>sha256_hash</strong> <em>hash</em></dt>
	<dd>The SHA256 hash of the certificate as hex string.</dd>
    </dl>
</blockquote>

    <dt><a name="tls::connection"><strong>tls::connection</strong>
    <em>channel</em></a></dt>
    <dd>Returns the current connection status of an SSL channel. The
	result is a list of key-value pairs describing the
	connected peer.</dd>
<blockquote>
	<b>SSL Status</b>
    <dl>
	<dt><strong>state</strong> <em>state</em></dt>
	<dd>State of the connection.</dd>
	<dt><strong>servername</strong> <em>name</em></dt>
	<dd>The name of the connected to server.</dd>
	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>renegotiation</strong> <em>boolean</em></dt>
	<dd>Whether protocol renegotiation is supported or not.</dd>
	<dt><strong>securitylevel</strong> <em>level</em></dt>
	<dd>The security level used for selection of ciphers, key size, etc.</dd>
	<dt><strong>session_reused</strong> <em>boolean</em></dt>
	<dd>Whether the session has been reused or not.</dd>
	<dt><strong>is_server</strong> <em>boolean</em></dt>
	<dd>Whether the connection is configured as a server (1) or client (0).</dd>
	<dt><strong>compression</strong> <em>mode</em></dt>
	<dd>Compression method.</dd>
	<dt><strong>expansion</strong> <em>mode</em></dt>
	<dd>Expansion method.</dd>


    </dl>
</blockquote>
<blockquote>
	<b>Cipher Info</b>
    <dl>
	<dt><strong>cipher</strong> <em>cipher</em></dt>
	<dd>The current cipher in use for the connection.</dd>
	<dt><strong>standard_name</strong> <em>name</em></dt>
	<dd>The standard RFC name of cipher.</dd>
	<dt><strong>bits</strong> <em>n</em></dt>
	<dd>The number of processed bits used for cipher.</dd>
	<dt><strong>secret_bits</strong> <em>n</em></dt>
	<dd>The number of secret bits used for cipher.</dd>
	<dt><strong>min_version</strong> <em>version</em></dt>
	<dd>The minimum protocol version for cipher.</dd>



	<dt><strong>id</strong> <em>id</em></dt>
	<dd>The OpenSSL cipher id.</dd>
	<dt><strong>description</strong> <em>string</em></dt>
	<dd>A text description of the cipher.</dd>


    </dl>
</blockquote>
<blockquote>
	<b>Session Info</b>
    <dl>
	<dt><strong>alpn</strong> <em>protocol</em></dt>
	<dd>The protocol selected after Application-Layer Protocol
	    Negotiation (ALPN).</dd>
	<dt><strong>resumable</strong> <em>boolean</em></dt>
	<dd>Can the session be resumed or not.</dd>
	<dt><strong>start_time</strong> <em>seconds</em></dt>
	<dd>Time since session started in seconds since epoch.</dd>
	<dt><strong>timeout</strong> <em>seconds</em></dt>
	<dd>Max duration of session in seconds before time-out.</dd>
	<dt><strong>lifetime</strong> <em>seconds</em></dt>
	<dd>Session ticket lifetime hint in seconds.</dd>
	<dt><strong>session_id</strong> <em>binary_string</em></dt>
	<dd>Unique session id for use in resuming the session.</dd>
	<dt><strong>session_ticket</strong> <em>binary_string</em></dt>
	<dd>Unique session ticket for use in resuming the session.</dd>
	<dt><strong>ticket_app_data</strong> <em>binary_string</em></dt>
	<dd>Unique session ticket application data.</dd>
	<dt><strong>master_key</strong> <em>binary_string</em></dt>
	<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>
	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>
</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
<strong>-command</strong>, <strong>-password</strong>, and
<strong>-validate_command</strong> options passed to either of
<strong>tls::socket</strong> or <strong>tls::import</strong>.
If the callback generates an error, the <b>bgerror</b> command with be
invoked with the error information.
</p>

<blockquote>
<dl>

    <dt><strong>-command</strong> <em>callback</em></dt>







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	<dt><strong>num_extensions</strong> <em>n</em></dt>
	<dd>Number of certificate extensions.</dd>
	<dt><strong>extensions</strong> <em>list</em></dt>
	<dd>List of certificate extension names.</dd>
	<dt><strong>authorityKeyIdentifier</strong> <em>string</em></dt>
	<dd>(AKI) Key identifier of the Issuing CA certificate that signed
	    the SSL certificate as a hex string. This value matches the SKI
	    value of the Intermediate CA certificate.</dd>
	<dt><strong>subjectKeyIdentifier</strong> <em>string</em></dt>
	<dd>(SKI) Hash of the public key inside the certificate as a hex
	   string. Used to identify certificates that contain a particular
	   public key.</dd>
	<dt><strong>subjectAltName</strong> <em>list</em></dt>
	<dd>List of all of the alternative domain names, sub domains,
	    and IP addresses that are secured by the certificate.</dd>
	<dt><strong>ocsp</strong> <em>list</em></dt>
	<dd>List of all Online Certificate Status Protocol (OCSP) URLs.</dd>

	<dt><strong>certificate</strong> <em>cert</em></dt>
	<dd>The PEM encoded certificate.</dd>

	<dt><strong>signatureAlgorithm</strong> <em>algorithm</em></dt>
	<dd>Cipher algorithm used for the certificate signature.</dd>
	<dt><strong>signatureValue</strong> <em>string</em></dt>
	<dd>Certificate signature as a hex string.</dd>
	<dt><strong>signatureDigest</strong> <em>version</em></dt>
	<dd>Certificate signing digest as a hex string.</dd>
	<dt><strong>publicKeyAlgorithm</strong> <em>algorithm</em></dt>
	<dd>Certificate signature public key algorithm.</dd>
	<dt><strong>publicKey</strong> <em>string</em></dt>
	<dd>Certificate signature public key as a hex string.</dd>
	<dt><strong>bits</strong> <em>n</em></dt>
	<dd>Number of bits used for certificate signature key.</dd>
	<dt><strong>self_signed</strong> <em>boolean</em></dt>
	<dd>Whether the certificate signature is self signed.</dd>

	<dt><strong>sha1_hash</strong> <em>hash</em></dt>
	<dd>The SHA1 hash of the certificate as a hex string.</dd>
	<dt><strong>sha256_hash</strong> <em>hash</em></dt>
	<dd>The SHA256 hash of the certificate as a hex string.</dd>
    </dl>
</blockquote>

    <dt><a name="tls::connection"><strong>tls::connection</strong>
    <em>channel</em></a></dt>
    <dd>Returns the current connection status of an SSL channel. The
	result is a list of key-value pairs describing the connection.</dd>

<blockquote>
	<b>SSL Status</b>
    <dl>
	<dt><strong>state</strong> <em>state</em></dt>
	<dd>State of the connection.</dd>
	<dt><strong>servername</strong> <em>name</em></dt>
	<dd>The name of the connected to server.</dd>
	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>renegotiation_allowed</strong> <em>boolean</em></dt>
	<dd>Whether protocol renegotiation is supported or not.</dd>
	<dt><strong>security_level</strong> <em>level</em></dt>
	<dd>The security level used for selection of ciphers, key size, etc.</dd>
	<dt><strong>session_reused</strong> <em>boolean</em></dt>
	<dd>Whether the session has been reused or not.</dd>
	<dt><strong>is_server</strong> <em>boolean</em></dt>
	<dd>Whether the connection is configured as a server (1) or client (0).</dd>
	<dt><strong>compression</strong> <em>mode</em></dt>
	<dd>Compression method.</dd>
	<dt><strong>expansion</strong> <em>mode</em></dt>
	<dd>Expansion method.</dd>
	<dt><strong>caList</strong> <em>list</em></dt>
	<dd>List of Certificate Authorities (CA) for X.509 certificate.</dd>
    </dl>
</blockquote>
<blockquote>
	<b>Cipher Info</b>
    <dl>
	<dt><strong>cipher</strong> <em>cipher</em></dt>
	<dd>The current cipher in use for the connection.</dd>
	<dt><strong>standard_name</strong> <em>name</em></dt>
	<dd>The standard RFC name of cipher.</dd>
	<dt><strong>algorithm_bits</strong> <em>n</em></dt>
	<dd>The number of processed bits used for cipher.</dd>
	<dt><strong>secret_bits</strong> <em>n</em></dt>
	<dd>The number of secret bits used for cipher.</dd>
	<dt><strong>min_version</strong> <em>version</em></dt>
	<dd>The minimum protocol version for cipher.</dd>
	<dt><strong>cipher_is_aead</strong> <em>boolean</em></dt>
	<dd>Whether the cipher is Authenticated Encryption with
	Associated Data (AEAD).</dd>
	<dt><strong>cipher_id</strong> <em>id</em></dt>
	<dd>The OpenSSL cipher id.</dd>
	<dt><strong>description</strong> <em>string</em></dt>
	<dd>A text description of the cipher.</dd>
	<dt><strong>handshake_digest</strong> <em>boolean</em></dt>
	<dd>Digest used during handshake.</dd>
    </dl>
</blockquote>
<blockquote>
	<b>Session Info</b>
    <dl>
	<dt><strong>alpn</strong> <em>protocol</em></dt>
	<dd>The protocol selected after Application-Layer Protocol
	    Negotiation (ALPN).</dd>
	<dt><strong>resumable</strong> <em>boolean</em></dt>
	<dd>Whether the session can be resumed or not.</dd>
	<dt><strong>start_time</strong> <em>seconds</em></dt>
	<dd>Time since session started in seconds since epoch.</dd>
	<dt><strong>timeout</strong> <em>seconds</em></dt>
	<dd>Max duration of session in seconds before time-out.</dd>
	<dt><strong>lifetime</strong> <em>seconds</em></dt>
	<dd>Session ticket lifetime hint in seconds.</dd>
	<dt><strong>session_id</strong> <em>binary_string</em></dt>
	<dd>Unique session id for use in resuming the session.</dd>
	<dt><strong>session_ticket</strong> <em>binary_string</em></dt>
	<dd>Unique session ticket for use in resuming the session.</dd>
	<dt><strong>ticket_app_data</strong> <em>binary_string</em></dt>
	<dd>Unique session ticket application data.</dd>
	<dt><strong>master_key</strong> <em>binary_string</em></dt>
	<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::protocols"><strong>tls::protocols</strong></a></dt>
    <dd>Returns a list of the 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>
</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
<strong>-command</strong>, <strong>-password</strong>, and
<strong>-validate_command</strong> options passed to either of
<strong>tls::socket</strong> or <strong>tls::import</strong>.
If the callback generates an error, the <b>bgerror</b> command will be
invoked with the error information.
</p>

<blockquote>
<dl>

    <dt><strong>-command</strong> <em>callback</em></dt>
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internally. The default behavior when the <strong>-password</strong> option is not
specified is for TLS to process the associated library callbacks by attempting
to call <strong>tls::password</strong>.
The difference between these two behaviors is a consequence of maintaining
compatibility with earlier implementations.
</p>

<p>
The <strong>tls::debug</strong> variable provides some additional
control over these reference callbacks.  Its value is zero by default.
Higher values produce more diagnostic output, and will also force the
verify method in <strong>tls::callback</strong> to accept the
certificate, even when it is invalid.
</p>

<p>
<em>
The use of the reference callbacks <strong>tls::callback</strong>,
<strong>tls::password</strong>, and <strong>tls::validate_command</strong>
is not recommended.  They may be removed from future releases.
</em>
</p>

<p>
<em>
The use of the variable <strong>tls::debug</strong> is not recommended.
It may be removed from future releases.
</em>
</p>

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

TLS key logging can be enabled by setting the environment variable
<b>SSLKEYLOGFILE</b> to the name of the file to log to. Then whenever TLS
key material is generated or received it will be logged to the file. This
is useful for logging key data for network logging tools to use to
decrypt the data.
















<h3><a name="HTTPS EXAMPLE">HTTPS EXAMPLE</a></h3>

<p>This example uses a sample server.pem provided with the TLS release,
courtesy of the <strong>OpenSSL</strong> project.</p>

<pre><code>
package require http
package require tls

http::register https 443 [list ::tls::socket -autoservername true -require true -cadir /etc/ssl/certs]

set tok [http::geturl https://www.tcl.tk/]
</code></pre>

<h3><a name="SPECIAL CONSIDERATIONS">SPECIAL CONSIDERATIONS</a></h3>

<p>The capabilities of this package can vary enormously based upon how your
OpenSSL library was configured and built. New versions may obsolete older
protocol versions, add or remove ciphers, change default values, etc. Use the
<strong>tls::ciphers</strong> and <strong>tls::protocols</strong> commands to
obtain the supported versions.</p>

<h3><a name="SEE ALSO">SEE ALSO</a></h3>

<p><strong>socket</strong>, <strong>fileevent, </strong><a
href="http://www.openssl.org/"><strong>OpenSSL</strong></a></p>

<hr>







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internally. The default behavior when the <strong>-password</strong> option is not
specified is for TLS to process the associated library callbacks by attempting
to call <strong>tls::password</strong>.
The difference between these two behaviors is a consequence of maintaining
compatibility with earlier implementations.
</p>









<p>
<em>
The use of the reference callbacks <strong>tls::callback</strong>,
<strong>tls::password</strong>, and <strong>tls::validate_command</strong>
is not recommended.  They may be removed from future releases.
</em>
</p>








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

TLS key logging can be enabled by setting the environment variable
<b>SSLKEYLOGFILE</b> to the name of the file to log to. Then whenever TLS
key material is generated or received it will be logged to the file. This
is useful for logging key data for network logging tools to use to
decrypt the data.

<p>
The <strong>tls::debug</strong> variable provides some additional
control over these reference callbacks.  Its value is zero by default.
Higher values produce more diagnostic output, and will also force the
verify method in <strong>tls::callback</strong> to accept the
certificate, even when it is invalid.
</p>

<p>
<em>
The use of the variable <strong>tls::debug</strong> is not recommended.
It may be removed from future releases.
</em>
</p>

<h3><a name="HTTPS EXAMPLE">HTTPS EXAMPLE</a></h3>

<p>This example uses a sample server.pem provided with the TLS release,
courtesy of the <strong>OpenSSL</strong> project.</p>

<pre><code>
package require http
package require tls

http::register https 443 [list ::tls::socket -autoservername true -require true -cadir /etc/ssl/certs]

set tok [http::geturl https://www.tcl.tk/]
</code></pre>

<h3><a name="SPECIAL CONSIDERATIONS">SPECIAL CONSIDERATIONS</a></h3>

<p>The capabilities of this package can vary enormously based upon how the
linked to OpenSSL library was configured and built. New versions may obsolete
older protocol versions, add or remove ciphers, change default values, etc.
Use the <strong>tls::protocols</strong> commands to obtain the supported
protocol versions.</p>

<h3><a name="SEE ALSO">SEE ALSO</a></h3>

<p><strong>socket</strong>, <strong>fileevent, </strong><a
href="http://www.openssl.org/"><strong>OpenSSL</strong></a></p>

<hr>

Modified generic/tclOpts.h from [fee5089a30] to [6a496a0d8f].

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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 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)				\
    var = Tcl_GetStringFromObj(objv[idx], (Tcl_Size *)NULL);\
    OPT_POSTLOG()


#define OPTINT(option, var)			\
    OPT_PROLOG(option)				\
    if (Tcl_GetIntFromObj(interp, objv[idx],	\
	    &(var)) != TCL_OK) {		\
	    return TCL_ERROR;			\
    }						\
    OPT_POSTLOG()

#define OPTBOOL(option, var)			\
    OPT_PROLOG(option)				\
    if (Tcl_GetBooleanFromObj(interp, objv[idx],\
	    &(var)) != TCL_OK) {		\
	    return TCL_ERROR;			\
    }						\
    OPT_POSTLOG()

#define OPTBYTE(option, var, lvar)			\
    OPT_PROLOG(option)				\
    var = Tcl_GetByteArrayFromObj(objv[idx], &(lvar));\
    OPT_POSTLOG()

#define OPTBAD(type, list)			\
    Tcl_AppendResult(interp, "bad ", (type),	\
		" \"", opt, "\": must be ",	\
		(list), (char *) NULL)

#endif /* _TCL_OPTS_H */

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/*


 * Convenient option processing

 */

#ifndef _TCL_OPTS_H
#define _TCL_OPTS_H

#define GET_OPT_BOOL(objPtr, varPtr) \
    if (Tcl_GetBooleanFromObj(interp, objPtr, varPtr) != TCL_OK) {	\





	return TCL_ERROR;					\
    }

#define GET_OPT_INT(objPtr, varPtr) \
    if (Tcl_GetIntFromObj(interp, objPtr, varPtr) != TCL_OK) {	\
	return TCL_ERROR;					\
    }

#define GET_OPT_LONG(objPtr, varPtr) \
    if (Tcl_GetLongFromObj(interp, objPtr, varPtr) != TCL_OK) {	\
	return TCL_ERROR;					\

    }

#define GET_OPT_WIDE(objPtr, varPtr) \
    if (Tcl_GetWideIntFromObj(interp, objPtr, varPtr) != TCL_OK) {	\

	return TCL_ERROR;					\
    }


#define GET_OPT_BIGNUM(objPtr, varPtr) \
    if (Tcl_GetBignumFromObj(interp, objPtr, varPtr) != TCL_OK) {	\
	return TCL_ERROR;					\


    }

#define GET_OPT_STRING(objPtr, var, lenPtr) \
    if ((var = Tcl_GetStringFromObj(objPtr, lenPtr)) == NULL) {	\

	return TCL_ERROR;					\
    }								\


#define GET_OPT_BYTE_ARRAY(objPtr, var, lenPtr) \

    if ((var = Tcl_GetByteArrayFromObj(objPtr, lenPtr)) == NULL) {	\

	return TCL_ERROR;					\
    }								\




#endif /* _TCL_OPTS_H */

Modified generic/tls.c from [42a5997f51] to [578f1e1218].

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 *
 */

#include "tlsInt.h"
#include "tclOpts.h"
#include <stdio.h>
#include <stdlib.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

/*
 * External functions
 */

/*
 * Forward declarations
 */

#define F2N(key, dsp) \
	(((key) == NULL) ? (char *) NULL : \
		Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON()	ERR_reason_error_string(ERR_get_error())

static SSL_CTX *CTX_Init(State *statePtr, int isServer, int proto, char *key,
		char *certfile, unsigned char *key_asn1, unsigned char *cert_asn1,
		int key_asn1_len, int cert_asn1_len, char *CAdir, char *CAfile,
		char *ciphers, char *ciphersuites, int level, char *DHparams);

static int	TlsLibInit(int uninitialize);







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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

/*
 * External functions
 */

/*
 * Forward declarations
 */

#define F2N(key, dsp) \
	(((key) == NULL) ? (char *) NULL : \
		Tcl_TranslateFileName(interp, (key), (dsp)))


static SSL_CTX *CTX_Init(State *statePtr, int isServer, int proto, char *key,
		char *certfile, unsigned char *key_asn1, unsigned char *cert_asn1,
		int key_asn1_len, int cert_asn1_len, char *CAdir, char *CAfile,
		char *ciphers, char *ciphersuites, int level, char *DHparams);

static int	TlsLibInit(int uninitialize);
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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) {
	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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    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), 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;
	char *ret = (char *) Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &len);
	if (len > (Tcl_Size) size-1) {
	    len = (Tcl_Size) size-1;
	}
	strncpy(buf, ret, (size_t) len);
	buf[len] = '\0';
	Tcl_Release((ClientData) interp);
	return((int) len);
    }
    Tcl_Release((ClientData) interp);
    return -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) {
	int len;
	char *ret = (char *) Tcl_GetStringFromObj(Tcl_GetObjResult(interp), &len);
	if (len > size-1) {
	    len = size-1;
	}
	strncpy(buf, ret, (size_t) len);
	buf[len] = '\0';
	Tcl_Release((ClientData) interp);
	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));

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

    /* Session ticket */
    SSL_SESSION_get0_ticket(session, &ticket, &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));

    /* 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) {
	res = SSL_CLIENT_HELLO_SUCCESS;
    } else {
	res = SSL_CLIENT_HELLO_ERROR;
	*alert = SSL_R_TLSV1_ALERT_INTERNAL_ERROR;
    }
    Tcl_DecrRefCount(cmdPtr);
    return res;
}

/********************/
/* Commands         */
/********************/

/*
 *-------------------------------------------------------------------
 *
 * 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?");
	return TCL_ERROR;
    }
    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;
    }

    ERR_clear_error();

    switch ((enum protocol)index) {
	case TLS_SSL2:
#if OPENSSL_VERSION_NUMBER >= 0x10100000L || defined(NO_SSL2) || defined(OPENSSL_NO_SSL2)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = SSLv2_method(); break;
#endif
	case TLS_SSL3:
#if defined(NO_SSL3) || defined(OPENSSL_NO_SSL3) || defined(OPENSSL_NO_SSL3_METHOD)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = SSLv3_method(); break;
#endif
	case TLS_TLS1:
#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1) || defined(OPENSSL_NO_TLS1_METHOD)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = TLSv1_method(); break;
#endif
	case TLS_TLS1_1:
#if defined(NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1) || defined(OPENSSL_NO_TLS1_1_METHOD)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = TLSv1_1_method(); break;
#endif
	case TLS_TLS1_2:
#if defined(NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2) || defined(OPENSSL_NO_TLS1_2_METHOD)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = TLSv1_2_method(); break;
#endif
	case TLS_TLS1_3:
#if defined(NO_TLS1_3) || defined(OPENSSL_NO_TLS1_3)
	    Tcl_AppendResult(interp, protocols[index], ": protocol not supported", NULL);
	    return TCL_ERROR;
#else
	    method = TLS_method();
	    SSL_CTX_set_min_proto_version(ctx, TLS1_3_VERSION);
	    SSL_CTX_set_max_proto_version(ctx, TLS1_3_VERSION);
	    break;
#endif
	default:
	    method = TLS_method();
	    break;
    }

    ctx = SSL_CTX_new(method);
    if (ctx == NULL) {
	Tcl_AppendResult(interp, REASON(), NULL);
	return TCL_ERROR;
    }

    ssl = SSL_new(ctx);
    if (ssl == NULL) {
	Tcl_AppendResult(interp, REASON(), NULL);
	SSL_CTX_free(ctx);
	return TCL_ERROR;
    }

    /* Use list and order as would be sent in a ClientHello or all available ciphers */
    if (use_supported) {
	sk = SSL_get1_supported_ciphers(ssl);
    } else {
	sk = SSL_get_ciphers(ssl);
    }

    if (sk != NULL) {
	if (!verbose) {
	    objPtr = Tcl_NewListObj(0, NULL);
	    for (int i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
		const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
		if (c == NULL) continue;

		/* cipher name or (NONE) */
		cp = SSL_CIPHER_get_name(c);
		if (cp == NULL) break;
		Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(cp, -1));
	    }

	} else {
	    objPtr = Tcl_NewStringObj("",0);
	    for (int i = 0; i < sk_SSL_CIPHER_num(sk); i++) {
		const SSL_CIPHER *c = sk_SSL_CIPHER_value(sk, i);
		if (c == NULL) continue;

		/* textual description of the cipher */
		if (SSL_CIPHER_description(c, buf, sizeof(buf)) != NULL) {
		    Tcl_AppendToObj(objPtr, buf, (Tcl_Size) strlen(buf));
		} else {
		    Tcl_AppendToObj(objPtr, "UNKNOWN\n", 8);
		}
	    }
	}
	if (use_supported) {
	    sk_SSL_CIPHER_free(sk);
	}
    }
    SSL_free(ssl);
    SSL_CTX_free(ctx);

    Tcl_SetObjResult(interp, objPtr);
    return TCL_OK;
	clientData = clientData;
}

/*
 *-------------------------------------------------------------------
 *
 * ProtocolsObjCmd -- list available protocols
 *
 *	This procedure is invoked to process the "tls::protocols" command
 *	to list available protocols.
 *
 * Results:
 *	A standard Tcl result list.
 *
 * Side effects:
 *	none
 *
 *-------------------------------------------------------------------
 */
static int
ProtocolsObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Obj *objPtr;

    dprintf("Called");

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

    ERR_clear_error();

    objPtr = Tcl_NewListObj(0, NULL);

#if OPENSSL_VERSION_NUMBER < 0x10100000L && !defined(NO_SSL2) && !defined(OPENSSL_NO_SSL2)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_SSL2], -1));
#endif
#if !defined(NO_SSL3) && !defined(OPENSSL_NO_SSL3) && !defined(OPENSSL_NO_SSL3_METHOD)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_SSL3], -1));
#endif
#if !defined(NO_TLS1) && !defined(OPENSSL_NO_TLS1) && !defined(OPENSSL_NO_TLS1_METHOD)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1], -1));
#endif
#if !defined(NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1) && !defined(OPENSSL_NO_TLS1_1_METHOD)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_1], -1));
#endif
#if !defined(NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2) && !defined(OPENSSL_NO_TLS1_2_METHOD)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_2], -1));
#endif
#if !defined(NO_TLS1_3) && !defined(OPENSSL_NO_TLS1_3)
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(protocols[TLS_TLS1_3], -1));
#endif

    Tcl_SetObjResult(interp, objPtr);
    return TCL_OK;
	clientData = clientData;
}

/*
 *-------------------------------------------------------------------
 *
 * HandshakeObjCmd --
 *
 *	This command is used to verify whether the handshake is complete
 *	or not.







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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, (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) {
	res = SSL_CLIENT_HELLO_SUCCESS;
    } else {
	res = SSL_CLIENT_HELLO_ERROR;
	*alert = SSL_R_TLSV1_ALERT_INTERNAL_ERROR;
    }
    Tcl_DecrRefCount(cmdPtr);
    return res;
}

/********************/
/* Commands         */
/********************/

























































































































































































































/*
 *-------------------------------------------------------------------
 *
 * HandshakeObjCmd --
 *
 *	This command is used to verify whether the handshake is complete
 *	or not.
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    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);
    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()) {







|







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

    ERR_clear_error();

    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()) {
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    dprintf("Returning TCL_OK with data \"%i\"", ret);
    Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
    return(TCL_OK);
	clientData = clientData;
}















/*
 *-------------------------------------------------------------------
 *
 * ImportObjCmd --
 *
 *	This procedure is invoked to process the "ssl" command
 *







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    dprintf("Returning TCL_OK with data \"%i\"", ret);
    Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
    return(TCL_OK);
	clientData = clientData;
}

static const char *command_opts [] = {
    "-alpn", "-cadir", "-cafile", "-cert", "-certfile", "-cipher", "-ciphers", "-ciphersuites",
    "-command", "-dhparams", "-key", "-keyfile", "-model", "-password", "-post_handshake",
    "-request", "-require", "-security_level", "-server", "-servername", "-session_id", "-ssl2",
    "-ssl3", "-tls1", "-tls1.1", "-tls1.2", "-tls1.3", "-validatecommand", "-vcmd", NULL};

enum _command_opts {
    _opt_alpn, _opt_cadir, _opt_cafile, _opt_cert, _opt_certfile, _opt_cipher, _opt_ciphers,
    _opt_ciphersuite, _opt_cmd, _opt_dhparams, _opt_key, _opt_keyfile, _opt_model, _opt_password,
    _opt_handshake, _opt_request, _opt_require, _opt_security_level, _opt_server, _opt_servername,
    _opt_session_id, _opt_ssl2, _opt_ssl3, _opt_tls1, _opt_tls11, _opt_tls12, _opt_tls13,
    _opt_validate, _opt_vcmd
};

/*
 *-------------------------------------------------------------------
 *
 * ImportObjCmd --
 *
 *	This procedure is invoked to process the "ssl" command
 *
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 *-------------------------------------------------------------------
 */
static int
ImportObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    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;
    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;
    unsigned char *cert         = NULL;
    Tcl_Size 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 */
    const unsigned char *session_id = NULL;

    Tcl_Obj *alpn		= NULL;
    int ssl2 = 0, ssl3 = 0;
    int tls1 = 1, tls1_1 = 1, tls1_2 = 1, tls1_3 = 1;
    int proto = 0, level = -1;
    int verify = 0, require = 0, request = 1, post_handshake = 0;

    dprintf("Called");








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 *-------------------------------------------------------------------
 */
static int
ImportObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) {
    Tcl_Channel chan;		/* The channel to set a mode on. */
    State *statePtr;		/* client state for ssl socket */
    SSL_CTX *ctx	        = NULL;
    Tcl_Obj *cmdObj	        = NULL;
    Tcl_Obj *passwdObj	        = NULL;
    Tcl_Obj *vcmd	        = NULL;
    Tcl_DString upperChannelTranslation, upperChannelBlocking, upperChannelEncoding, upperChannelEOFChar;
    int idx, len, fn;

    int flags		        = TLS_TCL_INIT;
    int server		        = 0;	/* is connection incoming or outgoing? */
    char *keyfile	        = NULL;
    char *certfile	        = NULL;
    unsigned char *key  	= NULL;
    int key_len                 = 0;
    unsigned char *cert         = NULL;
    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 */
    const unsigned char *session_id = NULL;
    int sess_len                = 0;
    Tcl_Obj *alpnObj		= NULL;
    int ssl2 = 0, ssl3 = 0;
    int tls1 = 1, tls1_1 = 1, tls1_2 = 1, tls1_3 = 1;
    int proto = 0, level = -1;
    int verify = 0, require = 0, request = 1, post_handshake = 0;

    dprintf("Called");

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    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);
    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);





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



















































































	    break;

	OPTOBJ("-alpn", alpn);
	OPTSTR("-cadir", CAdir);
	OPTSTR("-cafile", CAfile);
	OPTBYTE("-cert", cert, cert_len);
	OPTSTR("-certfile", certfile);
	OPTSTR("-cipher", ciphers);
	OPTSTR("-ciphers", ciphers);
	OPTSTR("-ciphersuites", ciphersuites);
	OPTOBJ("-command", script);
	OPTSTR("-dhparams", DHparams);
	OPTBYTE("-key", key, key_len);
	OPTSTR("-keyfile", keyfile);
	OPTSTR("-model", model);
	OPTOBJ("-password", password);
	OPTBOOL("-post_handshake", post_handshake);
	OPTBOOL("-request", request);
	OPTBOOL("-require", require);
	OPTINT("-security_level", level);
	OPTBOOL("-server", server);
	OPTSTR("-servername", servername);
	OPTSTR("-session_id", session_id);
	OPTBOOL("-ssl2", ssl2);
	OPTBOOL("-ssl3", ssl3);
	OPTBOOL("-tls1", tls1);
	OPTBOOL("-tls1.1", tls1_1);
	OPTBOOL("-tls1.2", tls1_2);
	OPTBOOL("-tls1.3", tls1_3);
	OPTOBJ("-validatecommand", vcmd);
	OPTOBJ("-vcmd", vcmd);

	OPTBAD("option", "-alpn, -cadir, -cafile, -cert, -certfile, -cipher, -ciphersuites, -command, -dhparams, -key, -keyfile, -model, -password, -post_handshake, -request, -require, -security_level, -server, -servername, -session_id, -ssl2, -ssl3, -tls1, -tls1.1, -tls1.2, -tls1.3, or -validatecommand");

	return TCL_ERROR;
    }
    if (request)		verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
    if (request && require)	verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
    if (request && post_handshake)	verify |= SSL_VERIFY_POST_HANDSHAKE;
    if (verify == 0)		verify = SSL_VERIFY_NONE;

    proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
    proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);







|








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

    ERR_clear_error();

    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++) {
	if (Tcl_GetIndexFromObj(interp, objv[idx], command_opts, "option", 0, &fn) != TCL_OK) {
	    return TCL_ERROR;
	}

	/* Validate arg has value */
	if (++idx >= objc) {
	    Tcl_AppendResult(interp, "No value for option \"", command_opts[fn], "\"", (char *) NULL);
	    return TCL_ERROR;
	}

	switch(fn) {
	case _opt_alpn:
	    alpnObj = objv[idx];
	    break;
	case _opt_cadir:
	    GET_OPT_STRING(objv[idx], CAdir, NULL);
	    break;
	case _opt_cafile:
	    GET_OPT_STRING(objv[idx], CAfile, NULL);
	    break;
	case _opt_cert:
	    GET_OPT_BYTE_ARRAY(objv[idx], cert, &cert_len);
	    break;
	case _opt_certfile:
	    GET_OPT_STRING(objv[idx], certfile, NULL);
	    break;
	case _opt_cipher:
	case _opt_ciphers:
	    GET_OPT_STRING(objv[idx], ciphers, NULL);
	    break;
	case _opt_ciphersuite:
	    GET_OPT_STRING(objv[idx], ciphersuites, NULL);
	    break;
	case _opt_cmd:
	    cmdObj = objv[idx];
	    break;
	case _opt_dhparams:
	    GET_OPT_STRING(objv[idx], DHparams, NULL);
	    break;
	case _opt_key:
	    GET_OPT_BYTE_ARRAY(objv[idx], key, &key_len);
	    break;
	case _opt_keyfile:
	    GET_OPT_STRING(objv[idx], keyfile, NULL);
	    break;
	case _opt_model:
	    GET_OPT_STRING(objv[idx], model, NULL);
	    break;
	case _opt_password:
	    passwdObj = objv[idx];
	    break;
	case _opt_handshake:
	    GET_OPT_BOOL(objv[idx], &post_handshake);
	    break;
	case _opt_request:
	    GET_OPT_BOOL(objv[idx], &request);
	    break;
	case _opt_require:
	    GET_OPT_BOOL(objv[idx], &require);
	    break;
	case _opt_security_level:
	    GET_OPT_INT(objv[idx], &level);
	    break;
	case _opt_server:
	    GET_OPT_BOOL(objv[idx], &server);
	    break;
	case _opt_servername:
	    GET_OPT_STRING(objv[idx], servername, NULL);
	    break;
	case _opt_session_id:
	    GET_OPT_BYTE_ARRAY(objv[idx], session_id, &sess_len);
	    break;
	case _opt_ssl2:
	    GET_OPT_INT(objv[idx], &ssl2);
	    break;
	case _opt_ssl3:
	    GET_OPT_INT(objv[idx], &ssl3);
	    break;
	case _opt_tls1:
	    GET_OPT_INT(objv[idx], &tls1);
	    break;
	case _opt_tls11:
	    GET_OPT_INT(objv[idx], &tls1_1);
	    break;
	case _opt_tls12:
	    GET_OPT_INT(objv[idx], &tls1_2);
	    break;
	case _opt_tls13:
	    GET_OPT_INT(objv[idx], &tls1_3);
	    break;
	case _opt_validate:
	case _opt_vcmd:
	    vcmd = objv[idx];
	    break;
	}





























    }




    if (request)		verify |= SSL_VERIFY_CLIENT_ONCE | SSL_VERIFY_PEER;
    if (request && require)	verify |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
    if (request && post_handshake)	verify |= SSL_VERIFY_POST_HANDSHAKE;
    if (verify == 0)		verify = SSL_VERIFY_NONE;

    proto |= (ssl2 ? TLS_PROTO_SSL2 : 0);
    proto |= (ssl3 ? TLS_PROTO_SSL3 : 0);
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    statePtr->flags	= flags;
    statePtr->interp	= interp;
    statePtr->vflags	= verify;
    statePtr->err	= "";

    /* allocate script */
    if (script) {
	(void) Tcl_GetStringFromObj(script, &len);
	if (len) {
	    statePtr->callback = script;
	    Tcl_IncrRefCount(statePtr->callback);
	}
    }

    /* allocate password */
    if (password) {
	(void) Tcl_GetStringFromObj(password, &len);
	if (len) {
	    statePtr->password = password;
	    Tcl_IncrRefCount(statePtr->password);
	}
    }

    /* allocate validate command */
    if (vcmd) {
	(void) Tcl_GetStringFromObj(vcmd, &len);







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|





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    statePtr->flags	= flags;
    statePtr->interp	= interp;
    statePtr->vflags	= verify;
    statePtr->err	= "";

    /* allocate script */
    if (cmdObj != NULL) {
	(void) Tcl_GetStringFromObj(cmdObj, &len);
	if (len) {
	    statePtr->callback = cmdObj;
	    Tcl_IncrRefCount(statePtr->callback);
	}
    }

    /* allocate password */
    if (passwdObj != NULL) {
	(void) Tcl_GetStringFromObj(passwdObj, &len);
	if (len) {
	    statePtr->password = passwdObj;
	    Tcl_IncrRefCount(statePtr->password);
	}
    }

    /* allocate validate command */
    if (vcmd) {
	(void) Tcl_GetStringFromObj(vcmd, &len);
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		"\": 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) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;








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		"\": 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, key_len,
	    cert_len, CAdir, CAfile, ciphers, ciphersuites, level, DHparams)) == NULL) {
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    statePtr->ctx = ctx;

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	    Tcl_SetErrorCode(interp, "TLS", "IMPORT", "HOSTNAME", "FAILED", (char *) NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    /* Resume session id */
    if (session_id && strlen(session_id) <= SSL_MAX_SID_CTX_LENGTH) {
	/* SSL_set_session() */
	if (!SSL_SESSION_set1_id_context(SSL_get_session(statePtr->ssl), session_id, (unsigned int) strlen(session_id))) {
	    Tcl_AppendResult(interp, "Resume session id ", session_id, " failed", (char *) NULL);
	    Tcl_SetErrorCode(interp, "TLS", "IMPORT", "SESSION", "FAILED", (char *) NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    /* 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;
	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;
	}

	/* 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);
	    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);







|

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|



<
|


|













|





|
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|
|







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	    Tcl_SetErrorCode(interp, "TLS", "IMPORT", "HOSTNAME", "FAILED", (char *) NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    /* Resume session id */
    if (session_id && sess_len <= SSL_MAX_SID_CTX_LENGTH) {
	/* SSL_set_session() */
	if (!SSL_SESSION_set1_id_context(SSL_get_session(statePtr->ssl), session_id, (unsigned int) sess_len)) {
	    Tcl_AppendResult(interp, "Resume session id ", session_id, " failed", (char *) NULL);
	    Tcl_SetErrorCode(interp, "TLS", "IMPORT", "SESSION", "FAILED", (char *) NULL);
	    Tls_Free((char *) statePtr);
	    return TCL_ERROR;
	}
    }

    /* 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 (alpnObj != NULL) {
	/* Convert a TCL list into a protocol-list in wire-format */
	unsigned char *protos, *p;
	unsigned int protos_len = 0;

	int i, len, cnt;
	Tcl_Obj **list;

	if (Tcl_ListObjGetElements(interp, alpnObj, &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 + len;
	}

	/* Build the complete protocol-list */
	protos = ckalloc(protos_len);
	/* protocol-lists consist of 8-bit length-prefixed, byte strings */
	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);
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	statePtr->protos_len = 0;
    }

    /*
     * SSL Callbacks
     */
    SSL_set_app_data(statePtr->ssl, (void *)statePtr);	/* point back to us */

    SSL_set_verify(statePtr->ssl, verify, VerifyCallback);
    SSL_set_info_callback(statePtr->ssl, InfoCallback);

    /* Callback for observing protocol messages */
#ifndef OPENSSL_NO_SSL_TRACE
    /* void SSL_CTX_set_msg_callback_arg(statePtr->ctx, (void *)statePtr);
    void SSL_CTX_set_msg_callback(statePtr->ctx, MessageCallback); */







>







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	statePtr->protos_len = 0;
    }

    /*
     * SSL Callbacks
     */
    SSL_set_app_data(statePtr->ssl, (void *)statePtr);	/* point back to us */

    SSL_set_verify(statePtr->ssl, verify, VerifyCallback);
    SSL_set_info_callback(statePtr->ssl, InfoCallback);

    /* Callback for observing protocol messages */
#ifndef OPENSSL_NO_SSL_TRACE
    /* void SSL_CTX_set_msg_callback_arg(statePtr->ctx, (void *)statePtr);
    void SSL_CTX_set_msg_callback(statePtr->ctx, MessageCallback); */
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    int off = 0;
    int load_private_key;
    const SSL_METHOD *method;

    dprintf("Called");

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







|






|





|





|





|





|





|







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

    dprintf("Called");

    if (!proto) {
	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", 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", 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", 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", 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", 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", 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);
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    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);
    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);







|







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    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)], 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);
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    /* Get certificate for peer or self */
    if (objc == 2) {
	peer = SSL_get_peer_certificate(statePtr->ssl);
    } else {
	peer = SSL_get_certificate(statePtr->ssl);
    }

    /* Get X509 certificate info */
    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
	if (objc == 2) {
	    X509_free(peer);
	    peer = NULL;
	}







>







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    /* Get certificate for peer or self */
    if (objc == 2) {
	peer = SSL_get_peer_certificate(statePtr->ssl);
    } else {
	peer = SSL_get_certificate(statePtr->ssl);
    }

    /* Get X509 certificate info */
    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
	if (objc == 2) {
	    X509_free(peer);
	    peer = NULL;
	}
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    }

    /* 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, "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);







|







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    }

    /* 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, (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);
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2198
    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);
    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()) {







|







2044
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2058
    const EVP_MD *md;

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

    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()) {
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2282
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2343
	LAPPEND_INT(interp, objPtr, "algorithm_bits", alg_bits);
	/* alg_bits is actual key secret bits. If use bits and secret (algorithm) bits differ,
	   the rest of the bits are fixed, i.e. for limited export ciphers (bits < 56) */

	/* Indicates which SSL/TLS protocol version first defined the cipher */
	LAPPEND_STR(interp, objPtr, "min_version", SSL_CIPHER_get_version(cipher), -1);

	/* Cipher NID */
	LAPPEND_STR(interp, objPtr, "cipherNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_cipher_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "digestNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_digest_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "keyExchangeNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_kx_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "authenticationNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_auth_nid(cipher)), -1);

	/* message authentication code - Cipher is AEAD (e.g. GCM or ChaCha20/Poly1305) or not */
	/* Authenticated Encryption with associated data (AEAD) check */
	LAPPEND_BOOL(interp, objPtr, "cipher_is_aead", SSL_CIPHER_is_aead(cipher));

	/* Digest used during the SSL/TLS handshake when using the cipher. */
	md = SSL_CIPHER_get_handshake_digest(cipher);
	LAPPEND_STR(interp, objPtr, "handshake_digest", (char *)EVP_MD_name(md), -1);

	/* Get OpenSSL-specific ID, not IANA ID */
	LAPPEND_INT(interp, objPtr, "cipher_id", (int) SSL_CIPHER_get_id(cipher));

	/* Two-byte ID used in the TLS protocol of the given cipher */
	LAPPEND_INT(interp, objPtr, "protocol_id", (int) SSL_CIPHER_get_protocol_id(cipher));

	/* Textual description of the cipher */

	if (SSL_CIPHER_description(cipher, buf, sizeof(buf)) != NULL) {
	    LAPPEND_STR(interp, objPtr, "description", buf, -1);
	}




    }

    /* Session info */
    session = SSL_get_session(ssl);
    if (session != NULL) {
	const unsigned char *ticket;
	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);

	/* 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);
#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);

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

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

	/* 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);

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

    /* Compression info */







|









<
<
<
<






|
>



>
>
>
>













|




|













|



|



|






|



|







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2130




2131
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	LAPPEND_INT(interp, objPtr, "algorithm_bits", alg_bits);
	/* alg_bits is actual key secret bits. If use bits and secret (algorithm) bits differ,
	   the rest of the bits are fixed, i.e. for limited export ciphers (bits < 56) */

	/* Indicates which SSL/TLS protocol version first defined the cipher */
	LAPPEND_STR(interp, objPtr, "min_version", SSL_CIPHER_get_version(cipher), -1);

	/* Cipher NID, digest NID (none for AEAD cipher suites), Key Exchange NID, and authentication NID */
	LAPPEND_STR(interp, objPtr, "cipherNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_cipher_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "digestNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_digest_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "keyExchangeNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_kx_nid(cipher)), -1);
	LAPPEND_STR(interp, objPtr, "authenticationNID", (char *)OBJ_nid2ln(SSL_CIPHER_get_auth_nid(cipher)), -1);

	/* message authentication code - Cipher is AEAD (e.g. GCM or ChaCha20/Poly1305) or not */
	/* Authenticated Encryption with associated data (AEAD) check */
	LAPPEND_BOOL(interp, objPtr, "cipher_is_aead", SSL_CIPHER_is_aead(cipher));





	/* Get OpenSSL-specific ID, not IANA ID */
	LAPPEND_INT(interp, objPtr, "cipher_id", (int) SSL_CIPHER_get_id(cipher));

	/* Two-byte ID used in the TLS protocol of the given cipher */
	LAPPEND_INT(interp, objPtr, "protocol_id", (int) SSL_CIPHER_get_protocol_id(cipher));

	/* Textual description of the cipher. Includes: cipher name, protocol version, key
	   exchange, authentication, symmetric encryption method, message authentication code */
	if (SSL_CIPHER_description(cipher, buf, sizeof(buf)) != NULL) {
	    LAPPEND_STR(interp, objPtr, "description", buf, -1);
	}

	/* Digest used during the SSL/TLS handshake when using the cipher. */
	md = SSL_CIPHER_get_handshake_digest(cipher);
	LAPPEND_STR(interp, objPtr, "handshake_digest", (char *)EVP_MD_name(md), -1);
    }

    /* Session info */
    session = SSL_get_session(ssl);
    if (session != NULL) {
	const unsigned char *ticket;
	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, (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, (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, (int) ulen);

	/* Session context */
	session_id = SSL_SESSION_get0_id_context(session, &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, (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, (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, (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 */
2376
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2380
2381
2382

2383
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2452

    /* CA List */
    /* IF not a server, same as SSL_get0_peer_CA_list. If server same as SSL_CTX_get_client_CA_list */
    listPtr = Tcl_NewListObj(0, NULL);
    STACK_OF(X509_NAME) *ca_list;
    if ((ca_list = SSL_get_client_CA_list(ssl)) != NULL) {
	char buffer[BUFSIZ];

	for (int i = 0; i < sk_X509_NAME_num(ca_list); i++) {
	    X509_NAME *name = sk_X509_NAME_value(ca_list, i);
	    if (name) {
		X509_NAME_oneline(name, buffer, BUFSIZ);
		Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewStringObj(buffer, -1));
	    }
	}
    }
    LAPPEND_OBJ(interp, objPtr, "caList", listPtr);
    LAPPEND_INT(interp, objPtr, "caListCount", sk_X509_NAME_num(ca_list));

    Tcl_SetObjResult(interp, objPtr);
    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;
    char buffer[16384];

    dprintf("Called");

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
	return TCL_ERROR;







>











<
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<

<


<
<



















<
|







2237
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2256





















2257

2258
2259


2260
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2279
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2284
2285
2286

    /* CA List */
    /* IF not a server, same as SSL_get0_peer_CA_list. If server same as SSL_CTX_get_client_CA_list */
    listPtr = Tcl_NewListObj(0, NULL);
    STACK_OF(X509_NAME) *ca_list;
    if ((ca_list = SSL_get_client_CA_list(ssl)) != NULL) {
	char buffer[BUFSIZ];

	for (int i = 0; i < sk_X509_NAME_num(ca_list); i++) {
	    X509_NAME *name = sk_X509_NAME_value(ca_list, i);
	    if (name) {
		X509_NAME_oneline(name, buffer, BUFSIZ);
		Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewStringObj(buffer, -1));
	    }
	}
    }
    LAPPEND_OBJ(interp, objPtr, "caList", listPtr);
    LAPPEND_INT(interp, objPtr, "caListCount", sk_X509_NAME_num(ca_list));


























    Tcl_SetObjResult(interp, objPtr);

    return TCL_OK;
	clientData = clientData;


}

/*
 *-------------------------------------------------------------------
 *
 * 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 };

    int cmd, isStr;
    char buffer[16384];

    dprintf("Called");

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?args?");
	return TCL_ERROR;
2461
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2469
2470
2471
2472
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2474
2475
2476
    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 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;








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<







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

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	    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) {

		    return TCL_ERROR;
		}

		if ((listc%2) != 0) {
		    Tcl_SetResult(interp,"Information list must have even number of arguments",NULL);
		    return TCL_ERROR;
		}







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	    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) {
		    return TCL_ERROR;
		}

		if ((listc%2) != 0) {
		    Tcl_SetResult(interp,"Information list must have even number of arguments",NULL);
		    return TCL_ERROR;
		}
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    }
#endif
    if (Tcl_PkgRequire(interp, "Tcl", MIN_VERSION, 0) == NULL) {
	return TCL_ERROR;
    }

    if (TlsLibInit(0) != TCL_OK) {
	Tcl_AppendResult(interp, "could not initialize SSL library", (char *) 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::unimport", UnimportObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::status", StatusObjCmd, (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
    Tcl_CreateObjCommand(interp, "tls::version", VersionObjCmd, (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);


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

    return Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION);
}







|



<



>


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

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


    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);

    Tls_DigestCommands(interp);
    Tls_EncryptCommands(interp);
    Tls_InfoCommands(interp);
    Tls_KeyCommands(interp);

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

    return Tcl_PkgProvide(interp, PACKAGE_NAME, PACKAGE_VERSION);
}

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

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/*
 * 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 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);

    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());

    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;










|






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/*
 * 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;
    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 = (int) Tcl_WriteRaw(chan, buf, bufLen);

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

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);

    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);

    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;







|















|




<
|







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

	    BIO_set_retry_read(bio);
	}
    }
    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, bufLen);

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


    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;
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	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,
	bufLen, (void *) chan, ret);

    return((int) ret);
}

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

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







|
<

|







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

	    BIO_set_retry_write(bio);
	}
    }

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

Added generic/tlsDigest.c version [f2bddde2af].

Added generic/tlsEncrypt.c version [f6412740bf].

Modified generic/tlsIO.c from [fb8d969c33] to [0b06e53585].

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		dprintf("Flushing the lower layers failed, this will probably terminate this session");
	    }
	}

	rc = SSL_get_error(statePtr->ssl, err);

	dprintf("Got error: %i (rc = %i)", err, rc);
	dprintf("Got error: %s", ERR_reason_error_string(ERR_get_error()));

	bioShouldRetry = 0;
	if (err <= 0) {
	    if (rc == SSL_ERROR_WANT_CONNECT || rc == SSL_ERROR_WANT_ACCEPT || rc == SSL_ERROR_WANT_READ || rc == SSL_ERROR_WANT_WRITE) {
		bioShouldRetry = 1;
	    } else if (BIO_should_retry(statePtr->bio)) {
		bioShouldRetry = 1;







|







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		dprintf("Flushing the lower layers failed, this will probably terminate this session");
	    }
	}

	rc = SSL_get_error(statePtr->ssl, err);

	dprintf("Got error: %i (rc = %i)", err, rc);
	dprintf("Got error: %s", REASON());

	bioShouldRetry = 0;
	if (err <= 0) {
	    if (rc == SSL_ERROR_WANT_CONNECT || rc == SSL_ERROR_WANT_ACCEPT || rc == SSL_ERROR_WANT_READ || rc == SSL_ERROR_WANT_WRITE) {
		bioShouldRetry = 1;
	    } else if (BIO_should_retry(statePtr->bio)) {
		bioShouldRetry = 1;
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	    }

	    statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
	    return(-1);

	case SSL_ERROR_SSL:
	    dprintf("Got permanent fatal SSL error, aborting immediately");
	    Tls_Error(statePtr, (char *)ERR_reason_error_string(ERR_get_error()));
	    statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
	    *errorCodePtr = ECONNABORTED;
	    return(-1);

	case SSL_ERROR_WANT_CONNECT:
	case SSL_ERROR_WANT_ACCEPT:
	case SSL_ERROR_WANT_X509_LOOKUP:







|







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	    }

	    statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
	    return(-1);

	case SSL_ERROR_SSL:
	    dprintf("Got permanent fatal SSL error, aborting immediately");
	    Tls_Error(statePtr, (char *)REASON());
	    statePtr->flags |= TLS_TCL_HANDSHAKE_FAILED;
	    *errorCodePtr = ECONNABORTED;
	    return(-1);

	case SSL_ERROR_WANT_CONNECT:
	case SSL_ERROR_WANT_ACCEPT:
	case SSL_ERROR_WANT_X509_LOOKUP:

Added generic/tlsInfo.c version [b61000448f].

Modified generic/tlsInt.h from [0103fefac9] to [8236808b5c].

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#ifndef CONST86
#   if TCL_MAJOR_VERSION > 8
#	define CONST86 const
#   else
#	define CONST86
#   endif
#endif

/*
 * Backwards compatibility for size type change
 */
#if TCL_MAJOR_VERSION < 9 && TCL_MINOR_VERSION < 7
    #ifndef Tcl_Size
        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>








<




|
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<







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#ifndef CONST86
#   if TCL_MAJOR_VERSION > 8
#	define CONST86 const
#   else
#	define CONST86
#   endif
#endif

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




#endif

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

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#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#define dprintBuffer(bufferName, bufferLength) /**/
#define dprintFlags(statePtr) /**/
#endif

#define TCLTLS_SSL_ERROR(ssl,err) ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))


/* Common list append macros */
#define LAPPEND_BARRAY(interp, obj, text, value, size) {\
    if (text != NULL) Tcl_ListObjAppendElement(interp, obj, Tcl_NewStringObj(text, -1)); \
    Tcl_ListObjAppendElement(interp, obj, Tcl_NewByteArrayObj(value, size)); \
}
#define LAPPEND_STR(interp, obj, text, value, size) {\







>







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#else
#define dprintf(...) if (0) { fprintf(stderr, __VA_ARGS__); }
#define dprintBuffer(bufferName, bufferLength) /**/
#define dprintFlags(statePtr) /**/
#endif

#define TCLTLS_SSL_ERROR(ssl,err) ((char*)ERR_reason_error_string((unsigned long)SSL_get_error((ssl),(err))))
#define REASON()	ERR_reason_error_string(ERR_get_error())

/* Common list append macros */
#define LAPPEND_BARRAY(interp, obj, text, value, size) {\
    if (text != NULL) Tcl_ListObjAppendElement(interp, obj, Tcl_NewStringObj(text, -1)); \
    Tcl_ListObjAppendElement(interp, obj, Tcl_NewByteArrayObj(value, size)); \
}
#define LAPPEND_STR(interp, obj, text, value, size) {\
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Tcl_Obj         *Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert);
Tcl_Obj		*Tls_NewCAObj(Tcl_Interp *interp, const SSL *ssl, int peer);
void            Tls_Error(State *statePtr, char *msg);
void            Tls_Free(char *blockPtr);
void            Tls_Clean(State *statePtr);
int             Tls_WaitForConnect(State *statePtr, int *errorCodePtr, int handshakeFailureIsPermanent);





BIO             *BIO_new_tcl(State* statePtr, int flags);











#define PTR2INT(x) ((int) ((intptr_t) (x)))

#endif /* _TLSINT_H */







>
>
>
>


>
>
>
>
>
>
>
>
>
>




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Tcl_Obj         *Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert);
Tcl_Obj		*Tls_NewCAObj(Tcl_Interp *interp, const SSL *ssl, int peer);
void            Tls_Error(State *statePtr, char *msg);
void            Tls_Free(char *blockPtr);
void            Tls_Clean(State *statePtr);
int             Tls_WaitForConnect(State *statePtr, int *errorCodePtr, int handshakeFailureIsPermanent);
int             Tls_DigestCommands(Tcl_Interp *interp);
int             Tls_EncryptCommands(Tcl_Interp *interp);
int             Tls_InfoCommands(Tcl_Interp *interp);
int             Tls_KeyCommands(Tcl_Interp *interp);

BIO             *BIO_new_tcl(State* statePtr, int flags);

EVP_CIPHER	*Util_GetCipher(Tcl_Interp *interp, Tcl_Obj *cipherObj, int no_null);
EVP_MD		*Util_GetDigest(Tcl_Interp *interp, Tcl_Obj *digestObj, int no_null);
unsigned char	*Util_GetIV(Tcl_Interp *interp, Tcl_Obj *ivObj, int *len, int max, int no_null);
unsigned char	*Util_GetKey(Tcl_Interp *interp, Tcl_Obj *keyObj, int *len, char *name, int max, int no_null);
unsigned char	*Util_GetSalt(Tcl_Interp *interp, Tcl_Obj *saltObj, int *len, int max, int no_null);
int		Util_GetInt(Tcl_Interp *interp, Tcl_Obj *dataObj, int *value, char *name, int min, int max);
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
EVP_MAC		*Util_GetMAC(Tcl_Interp *interp, Tcl_Obj *MacObj, int no_null);
#endif

#define PTR2INT(x) ((int) ((intptr_t) (x)))

#endif /* _TLSINT_H */

Added generic/tlsKDF.c version [2e942636f4].

Added generic/tlsUtil.c version [8f89b37f61].

Modified generic/tlsX509.c from [37e1c520a1] to [ead2e837f3].

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 */
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),
	    ASN1_STRING_length(astring), buffer, 1024);
    }
    resultPtr = Tcl_NewStringObj(buffer, (Tcl_Size) len);
    return resultPtr;
}

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







|


|







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 */
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(ASN1_STRING_get0_data(astring),
	    ASN1_STRING_length(astring), buffer, 1024);
    }
    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);
	}
	sk_GENERAL_NAME_pop_free(names, GENERAL_NAME_free);
    }
    return listPtr;
}

/*







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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, 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));
		    }
		}
	    } 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));
		}
	    }
	}
	CRL_DIST_POINTS_free(crl);
    }
    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), 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), 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));
		    OPENSSL_free(buf);
		    break;
		}
	    }
	}
	/* sk_ACCESS_DESCRIPTION_pop_free(ads, ACCESS_DESCRIPTION_free); */
	AUTHORITY_INFO_ACCESS_free(ads);







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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, 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);
    }

    /* 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);

    /* 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);

    /* 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);

    /* 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);

    /* 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);

    /* 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);
    }

    /* 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);
    }

    /* 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);

	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);

	/* 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);
    }

    /* 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 */
    xflags = X509_get_extension_flags(cert);
    LAPPEND_INT(interp, certPtr, "extFlags", xflags);

	/* Check if cert was issued by CA cert issuer or self signed */
    LAPPEND_BOOL(interp, certPtr, "selfIssued", xflags & EXFLAG_SI);
    LAPPEND_BOOL(interp, certPtr, "selfSigned", xflags & EXFLAG_SS);
    LAPPEND_BOOL(interp, certPtr, "isProxyCert", xflags & EXFLAG_PROXY);
    LAPPEND_BOOL(interp, certPtr, "extInvalid", xflags & EXFLAG_INVALID);
    LAPPEND_BOOL(interp, certPtr, "isCACert", X509_check_ca(cert));

    /* The Unique Ids are used to handle the possibility of reuse of subject
	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));
	} 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));
	} 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));
    LAPPEND_OBJ(interp, certPtr, "extensions", Tls_x509Extensions(interp, cert));

    /* Authority Key Identifier (AKI) is the Subject Key Identifier (SKI) of
	its signer (the CA). RFC 5280 section 4.2.1.1, NID_authority_key_identifier */
    LAPPEND_OBJ(interp, certPtr, "authorityKeyIdentifier",
	Tls_x509Identifier(X509_get0_authority_key_id(cert)));

    /* Subject Key Identifier (SKI) is used to identify certificates that contain
	a particular public key. RFC 5280 section 4.2.1.2, NID_subject_key_identifier */
    LAPPEND_OBJ(interp, certPtr, "subjectKeyIdentifier",
	Tls_x509Identifier(X509_get0_subject_key_id(cert)));

    /* Key usage extension defines the purpose (e.g., encipherment, signature, certificate
	signing) of the key in the certificate. RFC 5280 section 4.2.1.3, NID_key_usage */







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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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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 */
    xflags = X509_get_extension_flags(cert);
    LAPPEND_INT(interp, certPtr, "extFlags", xflags);

    /* Check if cert was issued by CA cert issuer or self signed */
    LAPPEND_BOOL(interp, certPtr, "selfIssued", xflags & EXFLAG_SI);
    LAPPEND_BOOL(interp, certPtr, "selfSigned", xflags & EXFLAG_SS);
    LAPPEND_BOOL(interp, certPtr, "isProxyCert", xflags & EXFLAG_PROXY);
    LAPPEND_BOOL(interp, certPtr, "extInvalid", xflags & EXFLAG_INVALID);
    LAPPEND_BOOL(interp, certPtr, "isCACert", X509_check_ca(cert));

    /* The Unique Ids are used to handle the possibility of reuse of subject
	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, 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, 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));
    LAPPEND_OBJ(interp, certPtr, "extensions", Tls_x509Extensions(interp, cert));

    /* Authority Key Identifier (AKI) is the Subject Key Identifier (SKI) of
	its signer (the CA). RFC 5280 section 4.2.1.1, NID_authority_key_identifier */
    LAPPEND_OBJ(interp, certPtr, "authorityKeyIdentifier",
	Tls_x509Identifier(X509_get0_authority_key_id(cert)));
 
    /* Subject Key Identifier (SKI) is used to identify certificates that contain
	a particular public key. RFC 5280 section 4.2.1.2, NID_subject_key_identifier */
    LAPPEND_OBJ(interp, certPtr, "subjectKeyIdentifier",
	Tls_x509Identifier(X509_get0_subject_key_id(cert)));

    /* Key usage extension defines the purpose (e.g., encipherment, signature, certificate
	signing) of the key in the certificate. RFC 5280 section 4.2.1.3, NID_key_usage */
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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);
    }

    /* 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);

	/* 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);
    }

    BIO_free(bio);
    return certPtr;
}







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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, 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, 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, len);
    }

    BIO_free(bio);
    return certPtr;
}

Modified tests/all.tcl from [b91d386182] to [645653fd10].

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# We should ensure that the testsDirectory is absolute.
# This was introduced in Tcl 8.3+'s tcltest, so we need a catch.
catch {::tcltest::normalizePath ::tcltest::testsDirectory}

#
# Run all tests in current and any sub directories with an all.tcl file.
#
set exitCode 0
if {[package vsatisfies [package require tcltest] 2.5-]} {
    if {[::tcltest::runAllTests] == 1} {
	set exitCode 1
    }

} else {
    # Hook to determine if any of the tests failed. Then we can exit with the
    # proper exit code: 0=all passed, 1=one or more failed
    proc tcltest::cleanupTestsHook {} {
	variable numTests
	set exitCode [expr {$numTests(Total) == 0 || $numTests(Failed) > 0}]
    }
    ::tcltest::runAllTests
}

#  Exit code: 0=all passed, 1=one or more failed
exit $exitCode







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# We should ensure that the testsDirectory is absolute.
# This was introduced in Tcl 8.3+'s tcltest, so we need a catch.
catch {::tcltest::normalizePath ::tcltest::testsDirectory}

#
# Run all tests in current and any sub directories with an all.tcl file.
#
set ::exitCode 0
if {[package vsatisfies [package require tcltest] 2.5-]} {
    if {[::tcltest::runAllTests] == 1} {
	set ::exitCode 1
    }

} else {
    # Hook to determine if any of the tests failed. Then we can exit with the
    # proper exit code: 0=all passed, 1=one or more failed
    proc tcltest::cleanupTestsHook {} {
	variable numTests
	set ::exitCode [expr {$numTests(Total) == 0 || $numTests(Failed) > 0}]
    }
    ::tcltest::runAllTests
}

#  Exit code: 0=all passed, 1=one or more failed
exit $::exitCode

Modified tests/badssl.csv from [8df90efe9b] to [3b4cb80289].

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# Group,Name,Constraints,Setup,Body,Cleanup,Match,Result,Output,Error Output,Return Codes
command,package require tls,,,,,,,,,
command,,,,,,,,,,
command,# Find default CA certificates directory,,,,,,,,,
command,if {[info exists ::env(SSL_CERT_FILE)]} {set ::cafile $::env(SSL_CERT_FILE)} else {set ::cafile [file normalize {C:\Users\Brian\Documents\Source\Build\SSL-1.1\certs\cacert.pem}]},,,,,,,,,
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,,,,,,,,,,
command,# Helper functions,,,,,,,,,
command,"proc badssl {url} {set port 443;lassign [split $url "":""] url port;if {$port eq """"} {set port 443};set ch [tls::socket -autoservername 1 -require 1 -cafile $::cafile $url $port];if {[catch {tls::handshake $ch} err]} {close $ch;return -code error $err} else {close $ch}}",,,,,,,,,
command,,,,,,,,,,
command,# BadSSL.com Tests,,,,,,,,,
BadSSL,1000-sans,,,badssl 1000-sans.badssl.com,,,handshake failed: certificate verify failed due to: certificate has expired,,,1
BadSSL,10000-sans,,,badssl 10000-sans.badssl.com,,,handshake failed: excessive message size,,,1
BadSSL,3des,,,badssl 3des.badssl.com,,,handshake failed: sslv3 alert handshake failure,,,1
BadSSL,captive-portal,,,badssl captive-portal.badssl.com,,,handshake failed: certificate verify failed due to: Hostname mismatch,,,1
BadSSL,cbc,,,badssl cbc.badssl.com,,,,,,
BadSSL,client-cert-missing,,,badssl client-cert-missing.badssl.com,,,,,,


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<
<
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# Group,Name,Constraints,Setup,Body,Cleanup,Match,Result,Output,Error Output,Return Codes
command,package require tls,,,,,,,,,
,,,,,,,,,,
command,# Find default CA certificates directory,,,,,,,,,
command,if {[info exists ::env(SSL_CERT_FILE)]} {set ::cafile $::env(SSL_CERT_FILE)} else {set ::cafile [file normalize {C:\Users\Brian\Documents\Source\Build\SSL-1.1\certs\cacert.pem}]},,,,,,,,,
,,,,,,,,,,
command,# Constraints,,,,,,,,,
command,source common.tcl,,,,,,,,,


,,,,,,,,,,
command,# Helper functions,,,,,,,,,
command,"proc badssl {url} {set port 443;lassign [split $url "":""] url port;if {$port eq """"} {set port 443};set ch [tls::socket -autoservername 1 -require 1 -cafile $::cafile $url $port];if {[catch {tls::handshake $ch} err]} {close $ch;return -code error $err} else {close $ch}}",,,,,,,,,
,,,,,,,,,,
command,# BadSSL.com Tests,,,,,,,,,
BadSSL,1000-sans,,,badssl 1000-sans.badssl.com,,,handshake failed: certificate verify failed due to: certificate has expired,,,1
BadSSL,10000-sans,,,badssl 10000-sans.badssl.com,,,handshake failed: excessive message size,,,1
BadSSL,3des,,,badssl 3des.badssl.com,,,handshake failed: sslv3 alert handshake failure,,,1
BadSSL,captive-portal,,,badssl captive-portal.badssl.com,,,handshake failed: certificate verify failed due to: Hostname mismatch,,,1
BadSSL,cbc,,,badssl cbc.badssl.com,,,,,,
BadSSL,client-cert-missing,,,badssl client-cert-missing.badssl.com,,,,,,

Modified tests/badssl.test from [66893a8fa7] to [ef286e344c].

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package require tls

# Find default CA certificates directory
if {[info exists ::env(SSL_CERT_FILE)]} {set ::cafile $::env(SSL_CERT_FILE)} else {set ::cafile [file normalize {C:\Users\Brian\Documents\Source\Build\SSL-1.1\certs\cacert.pem}]}

# 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}

# Helper functions



proc badssl {url} {set port 443;lassign [split $url ":"] url port;if {$port eq ""} {set port 443};set ch [tls::socket -autoservername 1 -require 1 -cafile $::cafile $url $port];if {[catch {tls::handshake $ch} err]} {close $ch;return -code error $err} else {close $ch}}



# BadSSL.com Tests


test BadSSL-1.1 {1000-sans} -body {
	badssl 1000-sans.badssl.com
    } -result {handshake failed: certificate verify failed due to: certificate has expired} -returnCodes {1}







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package require tls

# Find default CA certificates directory
if {[info exists ::env(SSL_CERT_FILE)]} {set ::cafile $::env(SSL_CERT_FILE)} else {set ::cafile [file normalize {C:\Users\Brian\Documents\Source\Build\SSL-1.1\certs\cacert.pem}]}

# Constraints
source common.tcl



# Helper functions
proc badssl {url} {set port 443
	lassign [split $url ":"] url port
	if {$port eq ""} {set port 443}
	set ch [tls::socket -autoservername 1 -require 1 -cafile $::cafile $url $port]
	if {[catch {tls::handshake $ch} err]} {close $ch
	return -code error $err} else {close $ch}}

# BadSSL.com Tests


test BadSSL-1.1 {1000-sans} -body {
	badssl 1000-sans.badssl.com
    } -result {handshake failed: certificate verify failed due to: certificate has expired} -returnCodes {1}

Deleted tests/ciphers.csv version [f4aff3652a].

Deleted tests/ciphers.test version [212c1bf055].

Added tests/common.tcl version [019f917847].

Added tests/digest.csv version [2969f7b1ad].

Added tests/digest.test version [c72f5245d1].

Added tests/encrypt.csv version [4af8c409bf].

Added tests/encrypt.test version [ce8002626b].

Added tests/info.csv version [a605570f7c].

Added tests/info.test version [421d0bdeb4].

Modified tests/make_test_files.tcl from [c31b96320d] to [e265399d3c].

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		if {$group ne $prev} {
		    incr test
		    set prev $group
		    puts $out ""
		}

		# Test case

		set buffer [format "\ntest %s-%d.%d {%s}" $group $test [incr cases($group)] $name]



		foreach opt [list -constraints -setup -body -cleanup -match -result -output -errorOutput -returnCodes] {
		    set cmd [string trim [set [string trimleft $opt "-"]]]
		    if {$cmd ne ""} {
			if {$opt in [list -setup -body -cleanup]} {
			    append buffer " " $opt " \{\n"
			    foreach line [split $cmd ";"] {
				append buffer \t [string trim $line] \n
			    }
			    append buffer "    \}"
			} elseif {$opt in [list -output -errorOutput]} {
			    append buffer " " $opt " {" $cmd \n "}"
			} elseif {$opt in [list -result]} {
			    if {[string index $cmd 0] in [list \[ \" \{]} {
				append buffer " " $opt " " $cmd
			    } elseif {[string match {*[\\$]*} $cmd]} {
				append buffer " " $opt " \"" [string map [list \\\\\" \\\"] [string map [list \" \\\" ] $cmd]] "\""
			    } else {
				append buffer " " $opt " {" $cmd "}"
			    }
			} else {
			    append buffer " " $opt " {" $cmd "}"
			}
		    }
		}
		puts $out $buffer

	    } else {
		# Empty line

	    }
	    break
	}
    }

    # Output clean-up commands
    puts $out "\n# Cleanup\n::tcltest::cleanupTests\nreturn"







>
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		if {$group ne $prev} {
		    incr test
		    set prev $group
		    puts $out ""
		}

		# Test case
		if {[string index $name 0] ne {$}} {
		    set buffer [format "\ntest %s-%d.%d {%s}" $group $test [incr cases($group)] $name]
		} else {
		    set buffer [format "\ntest %s-%d.%d %s" $group $test [incr cases($group)] $name]
		}
		foreach opt [list -constraints -setup -body -cleanup -match -result -output -errorOutput -returnCodes] {
		    set cmd [string trim [set [string trimleft $opt "-"]]]
		    if {$cmd ne ""} {
			if {$opt in [list -setup -body -cleanup]} {
			    append buffer " " $opt " \{\n"
			    foreach line [split $cmd ";"] {
				append buffer \t [string trim $line] \n
			    }
			    append buffer "    \}"
			} elseif {$opt in [list -output -errorOutput]} {
			    append buffer " " $opt " {" $cmd \n "}"
			} elseif {$opt in [list -result]} {
			    if {[string index $cmd 0] in [list \[ \" \{ \$]} {
				append buffer " " $opt " " $cmd
			    } elseif {[string match {*[\\$]*} $cmd]} {
				append buffer " " $opt " \"" [string map [list \\\\\" \\\"] [string map [list \" \\\" ] $cmd]] "\""
			    } else {
				append buffer " " $opt " {" $cmd "}"
			    }
			} else {
			    append buffer " " $opt " {" $cmd "}"
			}
		    }
		}
		puts $out $buffer

	    } else {
		# Empty line
		puts $out ""
	    }
	    break
	}
    }

    # Output clean-up commands
    puts $out "\n# Cleanup\n::tcltest::cleanupTests\nreturn"

Added tests/test_vectors/Hash/BLAKE2b512.test version [8e818cab70].

Added tests/test_vectors/Hash/BLAKE2b512.txt version [d3c92f5aad].

Added tests/test_vectors/Hash/BLAKE2s256.test version [0d1c096bbe].

Added tests/test_vectors/Hash/BLAKE2s256.txt version [e3f8f87e87].

Added tests/test_vectors/Hash/MD2.test version [99bc7b516b].

Added tests/test_vectors/Hash/MD2.txt version [72dbd4087b].

Added tests/test_vectors/Hash/MD4.test version [467c08c34a].

Added tests/test_vectors/Hash/MD4.txt version [e0a9e8ce64].

Added tests/test_vectors/Hash/MD5.test version [4a3b7c9208].

Added tests/test_vectors/Hash/MD5.txt version [1f89db3968].

Added tests/test_vectors/Hash/MDC2.test version [9cb43c6d6f].

Added tests/test_vectors/Hash/MDC2.txt version [c90b9728d3].

Added tests/test_vectors/Hash/RIPEMD128.test version [d7315ba5f4].

Added tests/test_vectors/Hash/RIPEMD128.txt version [8200be1de0].

Added tests/test_vectors/Hash/RIPEMD160.test version [e06ba4b6d7].

Added tests/test_vectors/Hash/RIPEMD160.txt version [822adc817c].

Added tests/test_vectors/Hash/RIPEMD256.test version [95937b3173].

Added tests/test_vectors/Hash/RIPEMD256.txt version [df8dae9590].

Added tests/test_vectors/Hash/RIPEMD320.test version [fe9e7cfcb5].

Added tests/test_vectors/Hash/RIPEMD320.txt version [c4941d7c67].

Added tests/test_vectors/Hash/Readme.txt version [6c4218a069].

Added tests/test_vectors/Hash/SHA1.test version [bfbdebdc89].

Added tests/test_vectors/Hash/SHA1.txt version [5945652b07].

Added tests/test_vectors/Hash/SHA1LongMsg.rsp version [dbdb8addfb].

Added tests/test_vectors/Hash/SHA1LongMsg.test version [5629c042e7].

Added tests/test_vectors/Hash/SHA1Monte.rsp version [4d2e851fac].

Added tests/test_vectors/Hash/SHA1Monte.txt version [b358759788].

Added tests/test_vectors/Hash/SHA1ShortMsg.rsp version [ed95dce9c8].

Added tests/test_vectors/Hash/SHA1ShortMsg.test version [79a03d8d0f].

Added tests/test_vectors/Hash/SHA224.test version [222cda757d].

Added tests/test_vectors/Hash/SHA224.txt version [8994f85662].

Added tests/test_vectors/Hash/SHA224LongMsg.rsp version [7da7ea8843].

Added tests/test_vectors/Hash/SHA224LongMsg.test version [0be074bfc3].

Added tests/test_vectors/Hash/SHA224Monte.rsp version [5c52dbe5fd].

Added tests/test_vectors/Hash/SHA224Monte.txt version [e24a7320cb].

Added tests/test_vectors/Hash/SHA224ShortMsg.rsp version [81d8b1b6a9].

Added tests/test_vectors/Hash/SHA224ShortMsg.test version [e931511d8b].

Added tests/test_vectors/Hash/SHA256.test version [e73af40184].

Added tests/test_vectors/Hash/SHA256.txt version [848f077d7a].

Added tests/test_vectors/Hash/SHA256LongMsg.rsp version [9a9ff814db].

Added tests/test_vectors/Hash/SHA256LongMsg.test version [2a205726a8].

Added tests/test_vectors/Hash/SHA256Monte.rsp version [e791ad56c6].

Added tests/test_vectors/Hash/SHA256Monte.txt version [5cbfa7eac0].

Added tests/test_vectors/Hash/SHA256ShortMsg.rsp version [cc5e6df184].

Added tests/test_vectors/Hash/SHA256ShortMsg.test version [3c579310ba].

Added tests/test_vectors/Hash/SHA3-224.test version [0197fd6ae2].

Added tests/test_vectors/Hash/SHA3-224.txt version [0a9192723b].

Added tests/test_vectors/Hash/SHA3-256.test version [97ef336193].

Added tests/test_vectors/Hash/SHA3-256.txt version [48114e564c].

Added tests/test_vectors/Hash/SHA3-384.test version [5173b84b19].

Added tests/test_vectors/Hash/SHA3-384.txt version [37fb9bedac].

Added tests/test_vectors/Hash/SHA3-512.test version [719e522337].

Added tests/test_vectors/Hash/SHA3-512.txt version [abf73210ae].

Added tests/test_vectors/Hash/SHA384.test version [812b725c9b].

Added tests/test_vectors/Hash/SHA384.txt version [a59fdbd28c].

Added tests/test_vectors/Hash/SHA384LongMsg.rsp version [68bddc79c6].

Added tests/test_vectors/Hash/SHA384LongMsg.test version [e10e588e6c].

Added tests/test_vectors/Hash/SHA384Monte.rsp version [81ad726d0a].

Added tests/test_vectors/Hash/SHA384Monte.txt version [eb4d039dbb].

Added tests/test_vectors/Hash/SHA384ShortMsg.rsp version [20b46919ed].

Added tests/test_vectors/Hash/SHA384ShortMsg.test version [b756234b7b].

Added tests/test_vectors/Hash/SHA3_224LongMsg.rsp version [168d15a8b0].

Added tests/test_vectors/Hash/SHA3_224LongMsg.test version [38b62e20fc].

Added tests/test_vectors/Hash/SHA3_224Monte.rsp version [423c5d169a].

Added tests/test_vectors/Hash/SHA3_224ShortMsg.rsp version [953ebf8b62].

Added tests/test_vectors/Hash/SHA3_224ShortMsg.test version [9847c1b7e5].

Added tests/test_vectors/Hash/SHA3_256LongMsg.rsp version [e4cdbd523e].

Added tests/test_vectors/Hash/SHA3_256LongMsg.test version [dfe94a5f89].

Added tests/test_vectors/Hash/SHA3_256Monte.rsp version [8f24bb96f6].

Added tests/test_vectors/Hash/SHA3_256ShortMsg.rsp version [c3416d5f3b].

Added tests/test_vectors/Hash/SHA3_256ShortMsg.test version [f41fb70fc3].

Added tests/test_vectors/Hash/SHA3_384LongMsg.rsp version [f10abc91a6].

Added tests/test_vectors/Hash/SHA3_384LongMsg.test version [72042f9981].

Added tests/test_vectors/Hash/SHA3_384Monte.rsp version [76ef953968].

Added tests/test_vectors/Hash/SHA3_384ShortMsg.rsp version [a36843bb9b].

Added tests/test_vectors/Hash/SHA3_384ShortMsg.test version [0c5d1a014d].

Added tests/test_vectors/Hash/SHA3_512LongMsg.rsp version [0bbf186754].

Added tests/test_vectors/Hash/SHA3_512LongMsg.test version [3f873b49ae].

Added tests/test_vectors/Hash/SHA3_512Monte.rsp version [7d4535045e].

Added tests/test_vectors/Hash/SHA3_512ShortMsg.rsp version [704cd930ab].

Added tests/test_vectors/Hash/SHA3_512ShortMsg.test version [364a0e00c9].

Added tests/test_vectors/Hash/SHA512-224.test version [d9c580556e].

Added tests/test_vectors/Hash/SHA512-224.txt version [2c6688a4b5].

Added tests/test_vectors/Hash/SHA512-256.test version [02704532c4].

Added tests/test_vectors/Hash/SHA512-256.txt version [8c9d8ea3f3].

Added tests/test_vectors/Hash/SHA512.test version [1888d3a9e6].

Added tests/test_vectors/Hash/SHA512.txt version [6130019457].

Added tests/test_vectors/Hash/SHA512LongMsg.rsp version [7b0b7120f4].

Added tests/test_vectors/Hash/SHA512LongMsg.test version [624105ec59].

Added tests/test_vectors/Hash/SHA512Monte.rsp version [b59d6599c8].

Added tests/test_vectors/Hash/SHA512Monte.txt version [8b33951465].

Added tests/test_vectors/Hash/SHA512ShortMsg.rsp version [9ea217fd07].

Added tests/test_vectors/Hash/SHA512ShortMsg.test version [0e3b80ebaf].

Added tests/test_vectors/Hash/SHA512_224LongMsg.rsp version [e09f1924d5].

Added tests/test_vectors/Hash/SHA512_224LongMsg.test version [172b15b0f6].

Added tests/test_vectors/Hash/SHA512_224Monte.rsp version [35cbf23f88].

Added tests/test_vectors/Hash/SHA512_224Monte.txt version [ac358a4d14].

Added tests/test_vectors/Hash/SHA512_224ShortMsg.rsp version [bfcfe7aae4].

Added tests/test_vectors/Hash/SHA512_224ShortMsg.test version [8d641d96bf].

Added tests/test_vectors/Hash/SHA512_256LongMsg.rsp version [0c7527584a].

Added tests/test_vectors/Hash/SHA512_256LongMsg.test version [2cd108e888].

Added tests/test_vectors/Hash/SHA512_256Monte.rsp version [a9f88d891a].

Added tests/test_vectors/Hash/SHA512_256Monte.txt version [a96020f051].

Added tests/test_vectors/Hash/SHA512_256ShortMsg.rsp version [99d45606e7].

Added tests/test_vectors/Hash/SHA512_256ShortMsg.test version [74c616e36d].

Added tests/test_vectors/Hash/SHAKE128.test version [358b30bc0f].

Added tests/test_vectors/Hash/SHAKE128.txt version [0a5deb8560].

Added tests/test_vectors/Hash/SHAKE128LongMsg.rsp version [3e240fc1bf].

Added tests/test_vectors/Hash/SHAKE128LongMsg.test version [d00d2eae4f].

Added tests/test_vectors/Hash/SHAKE128Monte.rsp version [578e911e6e].

Added tests/test_vectors/Hash/SHAKE128ShortMsg.rsp version [353efe20e1].

Added tests/test_vectors/Hash/SHAKE128ShortMsg.test version [28b762cb6c].

Added tests/test_vectors/Hash/SHAKE128VariableOut.rsp version [daf50013d2].

Added tests/test_vectors/Hash/SHAKE256.test version [0cd1f0de19].

Added tests/test_vectors/Hash/SHAKE256.txt version [4480b876cb].

Added tests/test_vectors/Hash/SHAKE256LongMsg.rsp version [8cca1f96ad].

Added tests/test_vectors/Hash/SHAKE256LongMsg.test version [42d4bd0d09].

Added tests/test_vectors/Hash/SHAKE256Monte.rsp version [cbb56034d0].

Added tests/test_vectors/Hash/SHAKE256ShortMsg.rsp version [72834c5f7f].

Added tests/test_vectors/Hash/SHAKE256ShortMsg.test version [cf85a2a49f].

Added tests/test_vectors/Hash/SHAKE256VariableOut.rsp version [8811fe0aa0].

Added tests/test_vectors/Hash/SM3.test version [7ee5f4974a].

Added tests/test_vectors/Hash/SM3.txt version [79643d2e88].

Added tests/test_vectors/Hash/WHIRLPOOL.test version [922707888e].

Added tests/test_vectors/Hash/WHIRLPOOL.txt version [11ce31a497].

Added tests/test_vectors/Hash/all.tcl version [4b0e755a54].

Added tests/test_vectors/Hash/make_test.tcl version [dae86e37f5].

Added tests/test_vectors/KDF/HKDF-SHA1.test version [58a3106b11].

Added tests/test_vectors/KDF/HKDF-SHA1.txt version [091164e5bd].

Added tests/test_vectors/KDF/HKDF-SHA224.test version [a35e08ae37].

Added tests/test_vectors/KDF/HKDF-SHA224.txt version [e1709aae8b].

Added tests/test_vectors/KDF/HKDF-SHA256.test version [3fa42bc239].

Added tests/test_vectors/KDF/HKDF-SHA256.txt version [df67ce3539].

Added tests/test_vectors/KDF/HKDF-SHA384.test version [6b50020add].

Added tests/test_vectors/KDF/HKDF-SHA384.txt version [cb2eac62b3].

Added tests/test_vectors/KDF/HKDF-SHA512.test version [d9f36ba84c].

Added tests/test_vectors/KDF/HKDF-SHA512.txt version [3b3b416e62].

Added tests/test_vectors/KDF/PBKDF2-SHA1.test version [629c4d4319].

Added tests/test_vectors/KDF/PBKDF2-SHA1.txt version [732437c2e8].

Added tests/test_vectors/KDF/PBKDF2-SHA224.test version [fe10f4af17].

Added tests/test_vectors/KDF/PBKDF2-SHA224.txt version [f5f610fe64].

Added tests/test_vectors/KDF/PBKDF2-SHA256.test version [cc7be086d5].

Added tests/test_vectors/KDF/PBKDF2-SHA256.txt version [ecc15b287a].

Added tests/test_vectors/KDF/PBKDF2-SHA384.test version [870e72f47c].

Added tests/test_vectors/KDF/PBKDF2-SHA384.txt version [57fec8e1a5].

Added tests/test_vectors/KDF/PBKDF2-SHA512.test version [4a00a74de4].

Added tests/test_vectors/KDF/PBKDF2-SHA512.txt version [35b0e900f6].

Added tests/test_vectors/KDF/Scrypt.test version [f179668ce8].

Added tests/test_vectors/KDF/Scrypt.txt version [fcdaf5e551].

Added tests/test_vectors/KDF/all.tcl version [4b0e755a54].

Added tests/test_vectors/KDF/make_test.tcl version [260d7b3ffd].

Added tests/test_vectors/MAC/CMAC-AES-128-CBC.test version [3a9c3f08a3].

Added tests/test_vectors/MAC/CMAC-AES-128-CBC.txt version [e79fc9b070].

Added tests/test_vectors/MAC/CMAC-AES-192-CBC.test version [a24d68ab1b].

Added tests/test_vectors/MAC/CMAC-AES-192-CBC.txt version [1327ebd19f].

Added tests/test_vectors/MAC/CMAC-AES-256-CBC.test version [636f80d051].

Added tests/test_vectors/MAC/CMAC-AES-256-CBC.txt version [37559b28d2].

Added tests/test_vectors/MAC/CMAC-DES3.test version [341b1fef8a].

Added tests/test_vectors/MAC/CMAC-DES3.txt version [7b40c26c2f].

Added tests/test_vectors/MAC/HMAC.rsp version [23d90fe189].

Added tests/test_vectors/MAC/HMAC.test version [3f775f13fb].

Added tests/test_vectors/MAC/HMAC_MD5.test version [bda682a8ec].

Added tests/test_vectors/MAC/HMAC_MD5.txt version [28320e2e15].

Added tests/test_vectors/MAC/HMAC_RIPEMD128.test version [d9301fcecf].

Added tests/test_vectors/MAC/HMAC_RIPEMD128.txt version [3e487cc771].

Added tests/test_vectors/MAC/HMAC_RIPEMD160.test version [a79db16564].

Added tests/test_vectors/MAC/HMAC_RIPEMD160.txt version [bb21e99891].

Added tests/test_vectors/MAC/HMAC_SHA1.test version [3eee92fdc9].

Added tests/test_vectors/MAC/HMAC_SHA1.txt version [bbeb4deaa9].

Added tests/test_vectors/MAC/HMAC_SHA224.test version [42a431f4b0].

Added tests/test_vectors/MAC/HMAC_SHA224.txt version [55c849f12e].

Added tests/test_vectors/MAC/HMAC_SHA256.test version [42297378eb].

Added tests/test_vectors/MAC/HMAC_SHA256.txt version [32c296d1a9].

Added tests/test_vectors/MAC/HMAC_SHA3-224.test version [5684f09a47].

Added tests/test_vectors/MAC/HMAC_SHA3-224.txt version [7733ead9c2].

Added tests/test_vectors/MAC/HMAC_SHA3-256.test version [fc1173d064].

Added tests/test_vectors/MAC/HMAC_SHA3-256.txt version [c17f79ca22].

Added tests/test_vectors/MAC/HMAC_SHA3-384.test version [ad0d13b496].

Added tests/test_vectors/MAC/HMAC_SHA3-384.txt version [8df953a228].

Added tests/test_vectors/MAC/HMAC_SHA3-512.test version [3e50a3d7da].

Added tests/test_vectors/MAC/HMAC_SHA3-512.txt version [a1ac4ceeaf].

Added tests/test_vectors/MAC/HMAC_SHA384.test version [3a67faccd9].

Added tests/test_vectors/MAC/HMAC_SHA384.txt version [28134b68af].

Added tests/test_vectors/MAC/HMAC_SHA512.test version [4ce64d21bf].

Added tests/test_vectors/MAC/HMAC_SHA512.txt version [ffd58ca5b8].

Added tests/test_vectors/MAC/all.tcl version [4b0e755a54].

Added tests/test_vectors/MAC/make_test.tcl version [6510cbad4a].

Added tests/test_vectors/all.tcl version [4b0e755a54].

Modified win/makefile.vc from [11d5b7bf2c] to [40a127f356].

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# Define the object files and resource file that make up the extension.
# Note the resource file does not makes sense if doing a static library build
# hence it is under that condition. TMP_DIR is the output directory
# defined by rules for object files.
PRJ_OBJS = $(TMP_DIR)\tls.obj \
	$(TMP_DIR)\tlsBIO.obj \



	$(TMP_DIR)\tlsIO.obj \


	$(TMP_DIR)\tlsX509.obj

# Define any additional project include flags
# SSL_INSTALL_FOLDER = with the OpenSSL installation folder following.
PRJ_INCLUDES = -I"$(SSL_INSTALL_FOLDER)\include" -I"$(OPENSSL_INSTALL_DIR)\include"

# Define any additional compiler flags that might be required for the project
PRJ_DEFINES = -D NO_SSL2 -D NO_SSL3 -D _CRT_SECURE_NO_WARNINGS
 

# SSL Libs:
#    1. ${LIBCRYPTO}.dll
#    2. ${LIBSSL}.dll
# Where LIBCRYPTO (#1.) and LIBSSL (#2.) are defined as follows:
#    v1.1: libcrypto-1.1-x64.dll and libssl-1.1-x64.dll
#    v3: libcrypto-3-x64.dll and libssl-3-x64.dll
# On *nix libcrypto.so.* and libssl.so.* (where suffix is a version indicator).
#
PRJ_LIBS = \
	"$(SSL_INSTALL_FOLDER)\lib\libssl.lib" \
	"$(SSL_INSTALL_FOLDER)\lib\libcrypto.lib" \
	WS2_32.LIB GDI32.LIB ADVAPI32.LIB CRYPT32.LIB USER32.LIB

# Define the standard targets
!include "targets.vc"

# Project specific targets





# We must define a pkgindex target that will create a pkgIndex.tcl
# file in the $(OUT_DIR) directory. We can just redirect to the
# default-pkgindex target for our sample extension.
pkgindex: default-pkgindex

# The default install target only installs binaries and scripts so add
# an additional target for our documentation. Note this *adds* a target
# since no commands are listed after it. The original targets for
# install (from targets.vc) will remain.
install: default-pkgindex-tea default-install default-install-docs-html

# Test package
test: default-test







>
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>













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# Define the object files and resource file that make up the extension.
# Note the resource file does not makes sense if doing a static library build
# hence it is under that condition. TMP_DIR is the output directory
# defined by rules for object files.
PRJ_OBJS = $(TMP_DIR)\tls.obj \
	$(TMP_DIR)\tlsBIO.obj \
	$(TMP_DIR)\tlsDigest.obj \
	$(TMP_DIR)\tlsEncrypt.obj \
	$(TMP_DIR)\tlsInfo.obj \
	$(TMP_DIR)\tlsIO.obj \
	$(TMP_DIR)\tlsKDF.obj \
	$(TMP_DIR)\tlsUtil.obj \
	$(TMP_DIR)\tlsX509.obj

# Define any additional project include flags
# SSL_INSTALL_FOLDER = with the OpenSSL installation folder following.
PRJ_INCLUDES = -I"$(SSL_INSTALL_FOLDER)\include" -I"$(OPENSSL_INSTALL_DIR)\include"

# Define any additional compiler flags that might be required for the project
PRJ_DEFINES = -D NO_SSL2 -D NO_SSL3 -D _CRT_SECURE_NO_WARNINGS

#
# SSL Libs:
#    1. ${LIBCRYPTO}.dll
#    2. ${LIBSSL}.dll
# Where LIBCRYPTO (#1.) and LIBSSL (#2.) are defined as follows:
#    v1.1: libcrypto-1.1-x64.dll and libssl-1.1-x64.dll
#    v3: libcrypto-3-x64.dll and libssl-3-x64.dll
# On *nix libcrypto.so.* and libssl.so.* (where suffix is a version indicator).
#
PRJ_LIBS = \
	"$(SSL_INSTALL_FOLDER)\lib\libssl.lib" \
	"$(SSL_INSTALL_FOLDER)\lib\libcrypto.lib" \
	WS2_32.LIB GDI32.LIB ADVAPI32.LIB CRYPT32.LIB USER32.LIB

# Define the standard targets
!include "targets.vc"

# Project specific targets

all:

clean: default-clean

# We must define a pkgindex target that will create a pkgIndex.tcl
# file in the $(OUT_DIR) directory. We can just redirect to the
# default-pkgindex target for our sample extension.
pkgindex: default-pkgindex

# The default install target only installs binaries and scripts so add
# an additional target for our documentation. Note this *adds* a target
# since no commands are listed after it. The original targets for
# install (from targets.vc) will remain.
install: default-pkgindex-tea default-install default-install-docs-html

# Test package
test: default-test