Send a reset request for every packet received when our encryption

dictionaries are out of sync.

This avoids the complications that happen when our original reset
request gets lost in transit (quite likely in hind sight, given a
lossy link) when we end up ignoring the peer for the next (up to)
256 packets.

1 files changed, 3 insertions, 1 deletions

diff --git a/usr.sbin/ppp/ppp/mppe.c b/usr.sbin/ppp/ppp/mppe.c
index 2f6cf6d3ad2..293d77a2ae4 100644
--- a/usr.sbin/ppp/ppp/mppe.c
+++ b/usr.sbin/ppp/ppp/mppe.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $OpenBSD: mppe.c,v 1.8 2001/07/07 03:08:49 brian Exp $
+ * $OpenBSD: mppe.c,v 1.9 2001/08/27 17:54:35 brian Exp $
  */
 
 #include <sys/types.h>
@@ -296,6 +296,8 @@ MPPEInput(void *v, struct ccp *ccp, u_short *proto, struct mbuf *mp)
        * The spec says that we shouldn't be though....
        */
       log_Printf(LogDEBUG, "MPPE: Not flushed - discarded\n");
+      fsm_Output(&ccp->fsm, CODE_RESETREQ, ccp->fsm.reqid++, NULL, 0,
+                 MB_CCPOUT);
       m_freem(mp);
       return NULL;
     }