Set TLS padding extension value.

[openssl.git] / ssl / d1_srvr.c

diff --git a/ssl/d1_srvr.c b/ssl/d1_srvr.c
index 7934ad535d77ed59d21ce0bec73191c3ca6e35c0..7816bbb503483c04a505d1afc2e0a4da3e01ead7 100644 (file)
--- a/ssl/d1_srvr.c
+++ b/ssl/d1_srvr.c
@@ -133,14 +133,32 @@ static const SSL_METHOD *dtls1_get_server_method(int ver)
        {
        if (ver == DTLS1_VERSION)
                return(DTLSv1_server_method());
+       else if (ver == DTLS1_2_VERSION)
+               return(DTLSv1_2_server_method());
        else
                return(NULL);
        }
 
-IMPLEMENT_dtls1_meth_func(DTLSv1_server_method,
+IMPLEMENT_dtls1_meth_func(DTLS1_VERSION,
+                       DTLSv1_server_method,
                        dtls1_accept,
                        ssl_undefined_function,
-                       dtls1_get_server_method)
+                       dtls1_get_server_method,
+                       DTLSv1_enc_data)
+
+IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION,
+                       DTLSv1_2_server_method,
+                       dtls1_accept,
+                       ssl_undefined_function,
+                       dtls1_get_server_method,
+                       DTLSv1_2_enc_data)
+
+IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION,
+                       DTLS_server_method,
+                       dtls1_accept,
+                       ssl_undefined_function,
+                       dtls1_get_server_method,
+                       DTLSv1_2_enc_data)
 
 int dtls1_accept(SSL *s)
        {
@@ -276,10 +294,11 @@ int dtls1_accept(SSL *s)
                case SSL3_ST_SW_HELLO_REQ_B:
 
                        s->shutdown=0;
+                       dtls1_clear_record_buffer(s);
                        dtls1_start_timer(s);
                        ret=ssl3_send_hello_request(s);
                        if (ret <= 0) goto end;
-                       s->s3->tmp.next_state=SSL3_ST_SW_HELLO_REQ_C;
+                       s->s3->tmp.next_state=SSL3_ST_SR_CLNT_HELLO_A;
                        s->state=SSL3_ST_SW_FLUSH;
                        s->init_num=0;
 
@@ -472,8 +491,8 @@ int dtls1_accept(SSL *s)
 #ifndef OPENSSL_NO_PSK
                            || ((alg_k & SSL_kPSK) && s->ctx->psk_identity_hint)
 #endif
-                           || (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
-                           || (alg_k & SSL_kEECDH)
+                           || (alg_k & (SSL_kDHE|SSL_kDHr|SSL_kDHd))
+                           || (alg_k & SSL_kECDHE)
                            || ((alg_k & SSL_kRSA)
                                && (s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL
                                    || (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)
@@ -638,6 +657,24 @@ int dtls1_accept(SSL *s)
                                s->state=SSL3_ST_SR_FINISHED_A;
                                s->init_num = 0;
                                }
+                       else if (SSL_USE_SIGALGS(s))
+                               {
+                               s->state=SSL3_ST_SR_CERT_VRFY_A;
+                               s->init_num=0;
+                               if (!s->session->peer)
+                                       break;
+                               /* For sigalgs freeze the handshake buffer
+                                * at this point and digest cached records.
+                                */
+                               if (!s->s3->handshake_buffer)
+                                       {
+                                       SSLerr(SSL_F_DTLS1_ACCEPT,ERR_R_INTERNAL_ERROR);
+                                       return -1;
+                                       }
+                               s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE;
+                               if (!ssl3_digest_cached_records(s))
+                                       return -1;
+                               }
                        else
                                {
                                s->state=SSL3_ST_SR_CERT_VRFY_A;
@@ -721,10 +758,13 @@ int dtls1_accept(SSL *s)
                        if (ret <= 0) goto end;
 
 #ifndef OPENSSL_NO_SCTP
-                       /* Change to new shared key of SCTP-Auth,
-                        * will be ignored if no SCTP used.
-                        */
-                       BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL);
+                       if (!s->hit)
+                               {
+                               /* Change to new shared key of SCTP-Auth,
+                                * will be ignored if no SCTP used.
+                                */
+                               BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL);
+                               }
 #endif
 
                        s->state=SSL3_ST_SW_FINISHED_A;
@@ -749,7 +789,16 @@ int dtls1_accept(SSL *s)
                        if (ret <= 0) goto end;
                        s->state=SSL3_ST_SW_FLUSH;
                        if (s->hit)
+                               {
                                s->s3->tmp.next_state=SSL3_ST_SR_FINISHED_A;
+
+#ifndef OPENSSL_NO_SCTP
+                               /* Change to new shared key of SCTP-Auth,
+                                * will be ignored if no SCTP used.
+                                */
+                               BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, 0, NULL);
+#endif
+                               }
                        else
                                {
                                s->s3->tmp.next_state=SSL_ST_OK;
@@ -855,8 +904,9 @@ int dtls1_send_hello_verify_request(SSL *s)
                buf = (unsigned char *)s->init_buf->data;
 
                msg = p = &(buf[DTLS1_HM_HEADER_LENGTH]);
-               *(p++) = s->version >> 8;
-               *(p++) = s->version & 0xFF;
+               /* Always use DTLS 1.0 version: see RFC 6347 */
+               *(p++) = DTLS1_VERSION >> 8;
+               *(p++) = DTLS1_VERSION & 0xFF;
 
                if (s->ctx->app_gen_cookie_cb == NULL ||
                     s->ctx->app_gen_cookie_cb(s, s->d1->cookie,