1 files changed, 8 insertions, 3 deletions

diff --git a/authfd.c b/authfd.c
index 89fa2afad..433623ef7 100644
--- a/authfd.c
+++ b/authfd.c
@@ -35,7 +35,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: authfd.c,v 1.27 2000/09/07 20:27:49 deraadt Exp $");
+RCSID("$OpenBSD: authfd.c,v 1.28 2000/09/21 11:07:50 markus Exp $");
 
 #include "ssh.h"
 #include "rsa.h"
@@ -51,6 +51,7 @@ RCSID("$OpenBSD: authfd.c,v 1.27 2000/09/07 20:27:49 deraadt Exp $");
 #include "authfd.h"
 #include "kex.h"
 #include "dsa.h"
+#include "compat.h"
 
 /* helper */
 int     decode_reply(int type);
@@ -364,20 +365,24 @@ ssh_agent_sign(AuthenticationConnection *auth,
     unsigned char **sigp, int *lenp,
     unsigned char *data, int datalen)
 {
+        extern int datafellows;
         Buffer msg;
         unsigned char *blob;
         unsigned int blen;
-        int type;
+        int type, flags = 0;
         int ret = -1;
 
         if (dsa_make_key_blob(key, &blob, &blen) == 0)
                 return -1;
 
+        if (datafellows & SSH_BUG_SIGBLOB)
+                flags = SSH_AGENT_OLD_SIGNATURE;
+
         buffer_init(&msg);
         buffer_put_char(&msg, SSH2_AGENTC_SIGN_REQUEST);
         buffer_put_string(&msg, blob, blen);
         buffer_put_string(&msg, data, datalen);
-        buffer_put_int(&msg, 0);                                /* flags, unused */
+        buffer_put_int(&msg, flags);
         xfree(blob);
 
         if (ssh_request_reply(auth, &msg, &msg) == 0) {