PR: 2153, 2125
[openssl.git] / ssl / s23_clnt.c
index 0912528f89a144d3e359fff34859998a783c57fe..53e080ee8e9dce286807efe449f97e635c1b73d9 100644 (file)
@@ -250,20 +250,40 @@ end:
        return(ret);
        }
 
+static int ssl23_no_ssl2_ciphers(SSL *s)
+       {
+       SSL_CIPHER *cipher;
+       STACK_OF(SSL_CIPHER) *ciphers;
+       int i;
+       ciphers = SSL_get_ciphers(s);
+       for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++)
+               {
+               cipher = sk_SSL_CIPHER_value(ciphers, i);
+               if (cipher->algorithm_ssl == SSL_SSLV2)
+                       return 0;
+               }
+       return 1;
+       }
 
 static int ssl23_client_hello(SSL *s)
        {
        unsigned char *buf;
        unsigned char *p,*d;
-       int i,j,ch_len;
+       int i,ch_len;
        unsigned long Time,l;
        int ssl2_compat;
        int version = 0, version_major, version_minor;
+#ifndef OPENSSL_NO_COMP
+       int j;
        SSL_COMP *comp;
+#endif
        int ret;
 
        ssl2_compat = (s->options & SSL_OP_NO_SSLv2) ? 0 : 1;
 
+       if (ssl2_compat && ssl23_no_ssl2_ciphers(s))
+               ssl2_compat = 0;
+
        if (!(s->options & SSL_OP_NO_TLSv1))
                {
                version = TLS1_VERSION;
@@ -285,6 +305,8 @@ static int ssl23_client_hello(SSL *s)
                        ssl2_compat = 0;
                if (s->tlsext_status_type != -1)
                        ssl2_compat = 0;
+               if (!(s->ctx->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION))
+                       ssl2_compat = 0;
                
 #ifdef TLSEXT_TYPE_opaque_prf_input
                if (s->ctx->tlsext_opaque_prf_input_callback != 0 || s->tlsext_opaque_prf_input != NULL)