Vendor import of OpenSSL 0.9.8e.

1 files changed, 25 insertions, 4 deletions

diff --git a/crypto/openssl/ssl/s3_srvr.c b/crypto/openssl/ssl/s3_srvr.c
index 098eea1..9414cf0 100644
--- a/crypto/openssl/ssl/s3_srvr.c
+++ b/crypto/openssl/ssl/s3_srvr.c
@@ -300,8 +300,9 @@ int ssl3_accept(SSL *s)
 
 		case SSL3_ST_SW_CERT_A:
 		case SSL3_ST_SW_CERT_B:
-			/* Check if it is anon DH or anon ECDH */
-			if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+			/* Check if it is anon DH or anon ECDH or KRB5 */
+			if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL)
+				&& !(s->s3->tmp.new_cipher->algorithms & SSL_aKRB5))
 				{
 				ret=ssl3_send_server_certificate(s);
 				if (ret <= 0) goto end;
@@ -679,9 +680,9 @@ int ssl3_get_client_hello(SSL *s)
 	 */
 	if (s->state == SSL3_ST_SR_CLNT_HELLO_A)
 		{
-		s->first_packet=1;
 		s->state=SSL3_ST_SR_CLNT_HELLO_B;
 		}
+	s->first_packet=1;
 	n=s->method->ssl_get_message(s,
 		SSL3_ST_SR_CLNT_HELLO_B,
 		SSL3_ST_SR_CLNT_HELLO_C,
@@ -690,6 +691,7 @@ int ssl3_get_client_hello(SSL *s)
 		&ok);
 
 	if (!ok) return((int)n);
+	s->first_packet=0;
 	d=p=(unsigned char *)s->init_msg;
 
 	/* use version from inside client hello, not from record header
@@ -1995,6 +1997,25 @@ int ssl3_get_client_key_exchange(SSL *s)
 				SSL_R_DATA_LENGTH_TOO_LONG);
 			goto err;
 			}
+		if (!((p[0] == (s->client_version>>8)) && (p[1] == (s->client_version & 0xff))))
+		    {
+		    /* The premaster secret must contain the same version number as the
+		     * ClientHello to detect version rollback attacks (strangely, the
+		     * protocol does not offer such protection for DH ciphersuites).
+		     * However, buggy clients exist that send random bytes instead of
+		     * the protocol version.
+		     * If SSL_OP_TLS_ROLLBACK_BUG is set, tolerate such clients. 
+		     * (Perhaps we should have a separate BUG value for the Kerberos cipher)
+		     */
+		    if (!((s->options & SSL_OP_TLS_ROLLBACK_BUG) &&
+			   (p[0] == (s->version>>8)) && (p[1] == (s->version & 0xff))))
+		        {
+			SSLerr(SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE,
+			       SSL_AD_DECODE_ERROR);
+			goto err;
+			}
+		    }
+
 		EVP_CIPHER_CTX_cleanup(&ciph_ctx);
 
                 s->session->master_key_length=
@@ -2042,7 +2063,7 @@ int ssl3_get_client_key_exchange(SSL *s)
 		if (l & SSL_kECDH) 
 			{ 
                         /* use the certificate */
-			tkey = s->cert->key->privatekey->pkey.ec;
+			tkey = s->cert->pkeys[SSL_PKEY_ECC].privatekey->pkey.ec;
 			}
 		else
 			{