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Comment:Changed the default for -tls1 and -tls1.1 options to false.
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SHA3-256: 861ff6374c414d248259eca1f68cd41d25d9a56f28c1545dc54b1da7d58b1818
User & Date: bohagan on 2025-01-02 23:40:36
Other Links: branch diff | manifest | tags
Context
2025-01-02
23:58
More documentation updates in prep for 2.0 release check-in: 44384307bd user: bohagan tags: trunk, tls-2.0
23:40
Changed the default for -tls1 and -tls1.1 options to false. check-in: 861ff6374c user: bohagan tags: trunk, tls-2.0
23:36
Changed the default for the -require option to true. check-in: 7a43d021a4 user: bohagan tags: trunk, tls-2.0
Changes
Side-by-Side Diff Ignore Whitespace Patch
Modified doc/tls.html from [7309057c14] to [5af1eb3236].
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<dd><p>Specify the peer's hostname. This is used to set the TLS Server Name Indication
(SNI) extension. Set this to the expected servername in the server's certificate
or one of the Subject Alternate Names (SAN). Starting in TclTLS 2.0, this will
default to the host for the <b class="cmd">tls::socket</b> command.</p></dd>
<dt><b class="option">-session_id</b> <i class="arg">binary_string</i></dt>
<dd><p>Specifies the session id to resume a session. Not supported yet.</p></dd>
<dt><b class="option">-ssl2</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of SSL v2. The default is <b class="const">false</b>. Note: Recent versions of
OpenSSL no longer support SSLv2, so this may not have any effect. See the
<b class="cmd">tls::protocols</b> command for supported protocols.</p></dd>
<dd><p>Enable use of SSL v2.The default is <b class="const">false</b>.
OpenSSL 1.1+ no longer supports SSL v2, so this may not have any effect.
See the <b class="cmd">tls::protocols</b> command for supported protocols.</p></dd>
<dt><b class="option">-ssl3</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of SSL v3. The default is <b class="const">false</b>. Note: Recent versions
of OpenSSL may have this disabled at compile time, so this may not have any
effect. See the <b class="cmd">tls::protocols</b> command for supported protocols.</p></dd>
<dd><p>Enable use of SSL v3. The default is <b class="const">false</b>. Starting in TclTLS 1.8,
use of SSL v3 if only available via a compile time option.
See the <b class="cmd">tls::protocols</b> command for supported protocols.</p></dd>
<dt><b class="option">-tls1</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of TLS v1. The default is <b class="const">true</b>. Note: TLS 1.0 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3.0+.
See the <i class="arg">-security_level</i> option.</p></dd>
<dd><p>Enable use of TLS v1. Starting in TclTLS 2.0, the default is <b class="const">false</b>.
Note: TLS 1.0 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3.0+. See the <i class="arg">-security_level</i> option.</p></dd>
<dt><b class="option">-tls1.1</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of TLS v1.1. The default is <b class="const">true</b>. Note: TLS 1.1 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3.0+.
See the <i class="arg">-security_level</i> option.</p></dd>
<dd><p>Enable use of TLS v1.1. Starting in TclTLS 2.0, the default is <b class="const">false</b>.
Note: TLS 1.1 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3.0+. See the <i class="arg">-security_level</i> option.</p></dd>
<dt><b class="option">-tls1.2</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of TLS v1.2. The default is <b class="const">true</b>.</p></dd>
<dt><b class="option">-tls1.3</b> <i class="arg">bool</i></dt>
<dd><p>Enable use of TLS v1.3. The default is <b class="const">true</b>.</p></dd>
<dd><p>Enable use of TLS v1.3. The default is <b class="const">true</b>. This is only available
starting with OpenSSL 1.1.1 and TclTLS 1.7.</p></dd>
<dt><b class="option">-validatecommand</b> <i class="arg">callback</i></dt>
<dd><p>Specifies the callback command to invoke to validate the peer certificates
and other config info during the protocol negotiation phase. This can be used
by TCL scripts to perform their own Certificate Validation to supplement the
default validation provided by OpenSSL. The script must return a boolean true
to continue the negotiation. See <span class="sectref"><a href="#section4">Callback Options</a></span> for more info.</p></dd>
</dl></dd>
︙
Modified doc/tls.man from [4bcf529b15] to [ee4eb2acb8].
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or one of the Subject Alternate Names (SAN). Starting in TclTLS 2.0, this will
default to the host for the [cmd tls::socket] command.

[opt_def -session_id [arg binary_string]]
Specifies the session id to resume a session. Not supported yet.

[opt_def -ssl2 [arg bool]]
Enable use of SSL v2. The default is [const false]. Note: Recent versions of
OpenSSL no longer support SSLv2, so this may not have any effect. See the
[cmd tls::protocols] command for supported protocols.
Enable use of SSL v2.The default is [const false].
OpenSSL 1.1+ no longer supports SSL v2, so this may not have any effect.
See the [cmd tls::protocols] command for supported protocols.

[opt_def -ssl3 [arg bool]]
Enable use of SSL v3. The default is [const false]. Note: Recent versions
of OpenSSL may have this disabled at compile time, so this may not have any
effect. See the [cmd tls::protocols] command for supported protocols.
Enable use of SSL v3. The default is [const false]. Starting in TclTLS 1.8,
use of SSL v3 if only available via a compile time option.
See the [cmd tls::protocols] command for supported protocols.

[opt_def -tls1 [arg bool]]
Enable use of TLS v1. The default is [const true]. Note: TLS 1.0 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3.0+.
See the [arg -security_level] option.
Enable use of TLS v1. Starting in TclTLS 2.0, the default is [const false].
Note: TLS 1.0 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3.0+. See the [arg -security_level] option.

[opt_def -tls1.1 [arg bool]]
Enable use of TLS v1.1. The default is [const true]. Note: TLS 1.1 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3.0+.
See the [arg -security_level] option.
Enable use of TLS v1.1. Starting in TclTLS 2.0, the default is [const false].
Note: TLS 1.1 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3.0+. See the [arg -security_level] option.

[opt_def -tls1.2 [arg bool]]
Enable use of TLS v1.2. The default is [const true].

[opt_def -tls1.3 [arg bool]]
Enable use of TLS v1.3. The default is [const true].
Enable use of TLS v1.3. The default is [const true]. This is only available
starting with OpenSSL 1.1.1 and TclTLS 1.7.

[opt_def -validatecommand [arg callback]]
Specifies the callback command to invoke to validate the peer certificates
and other config info during the protocol negotiation phase. This can be used
by TCL scripts to perform their own Certificate Validation to supplement the
default validation provided by OpenSSL. The script must return a boolean true
to continue the negotiation. See [sectref "Callback Options"] for more info.
︙
Modified doc/tls.n from [7c52fb51a3] to [f9c6a0c3c3].
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or one of the Subject Alternate Names (SAN)\&. Starting in TclTLS 2\&.0, this will
default to the host for the \fBtls::socket\fR command\&.
.TP
\fB-session_id\fR \fIbinary_string\fR
Specifies the session id to resume a session\&. Not supported yet\&.
.TP
\fB-ssl2\fR \fIbool\fR
Enable use of SSL v2\&. The default is \fBfalse\fR\&. Note: Recent versions of
OpenSSL no longer support SSLv2, so this may not have any effect\&. See the
\fBtls::protocols\fR command for supported protocols\&.
Enable use of SSL v2\&.The default is \fBfalse\fR\&.
OpenSSL 1\&.1+ no longer supports SSL v2, so this may not have any effect\&.
See the \fBtls::protocols\fR command for supported protocols\&.
.TP
\fB-ssl3\fR \fIbool\fR
Enable use of SSL v3\&. The default is \fBfalse\fR\&. Note: Recent versions
of OpenSSL may have this disabled at compile time, so this may not have any
effect\&. See the \fBtls::protocols\fR command for supported protocols\&.
Enable use of SSL v3\&. The default is \fBfalse\fR\&. Starting in TclTLS 1\&.8,
use of SSL v3 if only available via a compile time option\&.
See the \fBtls::protocols\fR command for supported protocols\&.
.TP
\fB-tls1\fR \fIbool\fR
Enable use of TLS v1\&. The default is \fBtrue\fR\&. Note: TLS 1\&.0 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3\&.0+\&.
See the \fI-security_level\fR option\&.
Enable use of TLS v1\&. Starting in TclTLS 2\&.0, the default is \fBfalse\fR\&.
Note: TLS 1\&.0 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3\&.0+\&. See the \fI-security_level\fR option\&.
.TP
\fB-tls1\&.1\fR \fIbool\fR
Enable use of TLS v1\&.1\&. The default is \fBtrue\fR\&. Note: TLS 1\&.1 needs
SHA1 to operate, which is only available in security level 0 for Open SSL 3\&.0+\&.
See the \fI-security_level\fR option\&.
Enable use of TLS v1\&.1\&. Starting in TclTLS 2\&.0, the default is \fBfalse\fR\&.
Note: TLS 1\&.1 needs SHA1 to operate, which is only available in security level
0 for Open SSL 3\&.0+\&. See the \fI-security_level\fR option\&.
.TP
\fB-tls1\&.2\fR \fIbool\fR
Enable use of TLS v1\&.2\&. The default is \fBtrue\fR\&.
.TP
\fB-tls1\&.3\fR \fIbool\fR
Enable use of TLS v1\&.3\&. The default is \fBtrue\fR\&.
Enable use of TLS v1\&.3\&. The default is \fBtrue\fR\&. This is only available
starting with OpenSSL 1\&.1\&.1 and TclTLS 1\&.7\&.
.TP
\fB-validatecommand\fR \fIcallback\fR
Specifies the callback command to invoke to validate the peer certificates
and other config info during the protocol negotiation phase\&. This can be used
by TCL scripts to perform their own Certificate Validation to supplement the
default validation provided by OpenSSL\&. The script must return a boolean true
to continue the negotiation\&. See \fBCallback Options\fR for more info\&.
︙
Modified generic/tls.c from [51d12a8e04] to [a490a47cab].
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    char *CAstore		= NULL;
    char *DHparams		= NULL;
    char *model			= NULL;
    char *servername		= NULL;	/* hostname for Server Name Indication */
    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 tls1 = 0, tls1_1 = 0, tls1_2 = 1, tls1_3 = 1;
    int proto = 0, level = -1;
    int verify = 0, require = 1, request = 1, post_handshake = 0;

    dprintf("Called");

#if defined(NO_TLS1) || defined(OPENSSL_NO_TLS1)
    tls1 = 0;
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