Partial workaround for PR#2771.

[openssl.git] / ssl / s23_clnt.c

diff --git a/ssl/s23_clnt.c b/ssl/s23_clnt.c
index 47f938981790d6959f7cc13ca01e765dd641e938..299af0f03a85095f99b0a16c9a4f3424ee89d096 100644 (file)
--- a/ssl/s23_clnt.c
+++ b/ssl/s23_clnt.c
@@ -131,6 +131,8 @@ static const SSL_METHOD *ssl23_get_client_method(int ver)
                return(TLSv1_client_method());
        else if (ver == TLS1_1_VERSION)
                return(TLSv1_1_client_method());
+       else if (ver == TLS1_2_VERSION)
+               return(TLSv1_2_client_method());
        else
                return(NULL);
        }
@@ -286,7 +288,11 @@ static int ssl23_client_hello(SSL *s)
        if (ssl2_compat && ssl23_no_ssl2_ciphers(s))
                ssl2_compat = 0;
 
-       if (!(s->options & SSL_OP_NO_TLSv1_1))
+       if (!(s->options & SSL_OP_NO_TLSv1_2))
+               {
+               version = TLS1_2_VERSION;
+               }
+       else if (!(s->options & SSL_OP_NO_TLSv1_1))
                {
                version = TLS1_1_VERSION;
                }
@@ -335,7 +341,12 @@ static int ssl23_client_hello(SSL *s)
                if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
                        return -1;
 
-               if (version == TLS1_1_VERSION)
+               if (version == TLS1_2_VERSION)
+                       {
+                       version_major = TLS1_2_VERSION_MAJOR;
+                       version_minor = TLS1_2_VERSION_MINOR;
+                       }
+               else if (version == TLS1_1_VERSION)
                        {
                        version_major = TLS1_1_VERSION_MAJOR;
                        version_minor = TLS1_1_VERSION_MINOR;
@@ -345,6 +356,14 @@ static int ssl23_client_hello(SSL *s)
                        version_major = TLS1_VERSION_MAJOR;
                        version_minor = TLS1_VERSION_MINOR;
                        }
+#ifdef OPENSSL_FIPS
+               else if(FIPS_mode())
+                       {
+                       SSLerr(SSL_F_SSL23_CLIENT_HELLO,
+                                       SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
+                       return -1;
+                       }
+#endif
                else if (version == SSL3_VERSION)
                        {
                        version_major = SSL3_VERSION_MAJOR;
@@ -502,8 +521,13 @@ static int ssl23_client_hello(SSL *s)
                        d=buf;
                        *(d++) = SSL3_RT_HANDSHAKE;
                        *(d++) = version_major;
-                       *(d++) = version_minor; /* arguably we should send the *lowest* suported version here
-                                                * (indicating, e.g., TLS 1.0 in "SSL 3.0 format") */
+                       /* Some servers hang if we use long client hellos
+                        * and a record number > TLS 1.0.
+                        */
+                       if (TLS1_get_client_version(s) > TLS1_VERSION)
+                               *(d++) = 1;
+                       else
+                               *(d++) = version_minor;
                        s2n((int)l,d);
 
                        /* number of bytes to write */
@@ -619,7 +643,7 @@ static int ssl23_get_server_hello(SSL *s)
 #endif
                }
        else if (p[1] == SSL3_VERSION_MAJOR &&
-                p[2] <= TLS1_1_VERSION_MINOR &&
+                p[2] <= TLS1_2_VERSION_MINOR &&
                 ((p[0] == SSL3_RT_HANDSHAKE && p[5] == SSL3_MT_SERVER_HELLO) ||
                  (p[0] == SSL3_RT_ALERT && p[3] == 0 && p[4] == 2)))
                {
@@ -628,6 +652,14 @@ static int ssl23_get_server_hello(SSL *s)
                if ((p[2] == SSL3_VERSION_MINOR) &&
                        !(s->options & SSL_OP_NO_SSLv3))
                        {
+#ifdef OPENSSL_FIPS
+                       if(FIPS_mode())
+                               {
+                               SSLerr(SSL_F_SSL23_GET_SERVER_HELLO,
+                                       SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
+                               goto err;
+                               }
+#endif
                        s->version=SSL3_VERSION;
                        s->method=SSLv3_client_method();
                        }
@@ -643,6 +675,12 @@ static int ssl23_get_server_hello(SSL *s)
                        s->version=TLS1_1_VERSION;
                        s->method=TLSv1_1_client_method();
                        }
+               else if ((p[2] == TLS1_2_VERSION_MINOR) &&
+                       !(s->options & SSL_OP_NO_TLSv1_2))
+                       {
+                       s->version=TLS1_2_VERSION;
+                       s->method=TLSv1_2_client_method();
+                       }
                else
                        {
                        SSLerr(SSL_F_SSL23_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_PROTOCOL);