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openssl: allow explicit sslv2 selection

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If OpenSSL is built to support SSLv2 this brings back the ability to
explicitly select that as a protocol level.

Reported-by: Steve Holme
Bug: http://curl.haxx.se/mail/lib-2014-01/0013.html
This commit is contained in:
Daniel Stenberg 2014-01-03 11:52:49 +01:00
parent d237828ebc
commit 3529162405
1 changed files with 11 additions and 0 deletions
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11
lib/vtls/openssl.c
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@ -1599,6 +1599,17 @@ ossl_connect_step1(struct connectdata *conn,
break;
#endif
#ifndef OPENSSL_NO_SSL2
case CURL_SSLVERSION_SSLv2:
ctx_options |= SSL_OP_NO_SSLv3;
ctx_options |= SSL_OP_NO_TLSv1;
#if OPENSSL_VERSION_NUMBER >= 0x1000100FL
ctx_options |= SSL_OP_NO_TLSv1_1;
ctx_options |= SSL_OP_NO_TLSv1_2;
#endif
break;
#endif
default:
failf(data, "Unsupported SSL protocol version");
return CURLE_SSL_CONNECT_ERROR;