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SSL: protocol version can be specified more precisely

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CURL_SSLVERSION_TLSv1_0, CURL_SSLVERSION_TLSv1_1,
CURL_SSLVERSION_TLSv1_2 enum values are added to force exact TLS version
(CURL_SSLVERSION_TLSv1 means TLS 1.x).

axTLS:
axTLS only supports TLS 1.0 and 1.1 but it cannot be set that only one
of these should be used, so we don't allow the new enum values.

darwinssl:
Added support for the new enum values.

SChannel:
Added support for the new enum values.

CyaSSL:
Added support for the new enum values.
Bug: The original CURL_SSLVERSION_TLSv1 value enables only TLS 1.0 (it
did the same before this commit), because CyaSSL cannot be configured to
use TLS 1.0-1.2.

GSKit:
GSKit doesn't seem to support TLS 1.1 and TLS 1.2, so we do not allow
those values.
Bugfix: There was a typo that caused wrong SSL versions to be passed to
GSKit.

NSS:
TLS minor version cannot be set, so we don't allow the new enum values.

QsoSSL:
TLS minor version cannot be set, so we don't allow the new enum values.

OpenSSL:
Added support for the new enum values.
Bugfix: The original CURL_SSLVERSION_TLSv1 value enabled only TLS 1.0,
now it enables 1.0-1.2.

Command-line tool:
Added command line options for the new values.
This commit is contained in:
Gergely Nagy
2013-09-19 15:17:13 +02:00
committed by Daniel Stenberg
parent 31e106c01c
commit ad34a2d5c8
14 changed files with 161 additions and 22 deletions
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13
lib/cyassl.c
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@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -98,8 +98,19 @@ cyassl_connect_step1(struct connectdata *conn,
req_method = SSLv23_client_method();
break;
case CURL_SSLVERSION_TLSv1:
infof(data, "CyaSSL cannot be configured to use TLS 1.0-1.2, "
"TLS 1.0 is used exclusively\n");
req_method = TLSv1_client_method();
break;
case CURL_SSLVERSION_TLSv1_0:
req_method = TLSv1_client_method();
break;
case CURL_SSLVERSION_TLSv1_1:
req_method = TLSv1_1_client_method();
break;
case CURL_SSLVERSION_TLSv1_2:
req_method = TLSv1_2_client_method();
break;
case CURL_SSLVERSION_SSLv3:
req_method = SSLv3_client_method();
break;