diff options
Diffstat (limited to 'ssl/s3_lib.c')
-rw-r--r-- | ssl/s3_lib.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c index a15625b911..361f295521 100644 --- a/ssl/s3_lib.c +++ b/ssl/s3_lib.c @@ -3598,6 +3598,33 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg) return (int)sess->tlsext_ecpointformatlist_length; } #endif + + case SSL_CTRL_CHECK_PROTO_VERSION: + /* For library-internal use; checks that the current protocol + * is the highest enabled version (according to s->ctx->method, + * as version negotiation may have changed s->method). */ + if (s->version == s->ctx->method->version) + return 1; + /* Apparently we're using a version-flexible SSL_METHOD + * (not at its highest protocol version). */ + if (s->ctx->method->version == SSLv23_method()->version) + { +#if TLS_MAX_VERSION != TLS1_2_VERSION +# error Code needs update for SSLv23_method() support beyond TLS1_2_VERSION. +#endif + if (!(s->options & SSL_OP_NO_TLSv1_2)) + return s->version == TLS1_2_VERSION; + if (!(s->options & SSL_OP_NO_TLSv1_1)) + return s->version == TLS1_1_VERSION; + if (!(s->options & SSL_OP_NO_TLSv1)) + return s->version == TLS1_VERSION; + if (!(s->options & SSL_OP_NO_SSLv3)) + return s->version == SSL3_VERSION; + if (!(s->options & SSL_OP_NO_SSLv2)) + return s->version == SSL2_VERSION; + } + return 0; /* Unexpected state; fail closed. */ + default: break; } @@ -4519,4 +4546,3 @@ long ssl_get_algorithm2(SSL *s) return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256; return alg2; } - |