First cut of renegotiation extension. (port to 1.0.0-stable)

1 files changed, 34 insertions, 0 deletions

diff --git a/ssl/s3_both.c b/ssl/s3_both.c
index d757c4dd58..16d92610e9 100644
--- a/ssl/s3_both.c
+++ b/ssl/s3_both.c
@@ -166,6 +166,23 @@ int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
 		p+=i;
 		l=i;
 
+                /* Copy the finished so we can use it for
+                   renegotiation checks */
+                if(s->type == SSL_ST_CONNECT)
+                        {
+                         OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+                         memcpy(s->s3->previous_client_finished, 
+                             s->s3->tmp.finish_md, i);
+                         s->s3->previous_client_finished_len=i;
+                        }
+                else
+                        {
+                        OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+                        memcpy(s->s3->previous_server_finished, 
+                            s->s3->tmp.finish_md, i);
+                        s->s3->previous_server_finished_len=i;
+                        }
+
 #ifdef OPENSSL_SYS_WIN16
 		/* MSVC 1.5 does not clear the top bytes of the word unless
 		 * I do this.
@@ -230,6 +247,23 @@ int ssl3_get_finished(SSL *s, int a, int b)
 		goto f_err;
 		}
 
+        /* Copy the finished so we can use it for
+           renegotiation checks */
+        if(s->type == SSL_ST_ACCEPT)
+                {
+                OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+                memcpy(s->s3->previous_client_finished, 
+                    s->s3->tmp.peer_finish_md, i);
+                s->s3->previous_client_finished_len=i;
+                }
+        else
+                {
+                OPENSSL_assert(i <= EVP_MAX_MD_SIZE);
+                memcpy(s->s3->previous_server_finished, 
+                    s->s3->tmp.peer_finish_md, i);
+                s->s3->previous_server_finished_len=i;
+                }
+
 	return(1);
 f_err:
 	ssl3_send_alert(s,SSL3_AL_FATAL,al);