If signing starts successfully, don't just turn it off automatically if

it fails later. Only turn it off automatically if it fails at the start.
Jeremy.
(This used to be commit 4a145531c2b6353291cd25f14f5572aa31e86594)

1 files changed, 5 insertions, 5 deletions

diff --git a/source3/libsmb/smb_signing.c b/source3/libsmb/smb_signing.c
index 2a53638d17..755a1548eb 100644
--- a/source3/libsmb/smb_signing.c
+++ b/source3/libsmb/smb_signing.c
@@ -745,11 +745,8 @@ We were expecting seq %u\n", reply_seq_number, saved_seq ));
 	}
 
 	if (!signing_good(inbuf, si, good, saved_seq)) {
-		if (si->mandatory_signing) {
-			/* Mandatory signing - fail and disconnect. */
-			return False;
-		} else {
-			/* Non-mandatory signing - just turn off. */
+		if (!si->mandatory_signing && (data->send_seq_num < 3)){
+			/* Non-mandatory signing - just turn off if this is the first bad packet.. */
 			DEBUG(5, ("srv_check_incoming_message: signing negotiated but not required and client \
 isn't sending correct signatures. Turning off.\n"));
 			si->negotiated_smb_signing = False;
@@ -757,6 +754,9 @@ isn't sending correct signatures. Turning off.\n"));
 			si->doing_signing = False;
 			free_signing_context(si);
 			return True;
+		} else {
+			/* Mandatory signing or bad packet after signing started - fail and disconnect. */
+			return False;
 		}
 	} else {
 		return True;