File 0245-ITS-9803-Drop-connection-when-receiving-non-LDAP-dat.patch of Package openldap2

From e7e2743112e32e13bbe79d20de2aead1b40a7400 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ond=C5=99ej=20Kuzn=C3=ADk?= <ondra@mistotebe.net>
Date: Mon, 7 Mar 2022 10:06:49 +0000
Subject: [PATCH] ITS#9803 Drop connection when receiving non-LDAP data

---
 libraries/libldap/result.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/libraries/libldap/result.c b/libraries/libldap/result.c
index 9966ec89d1..c5d9687696 100644
--- a/libraries/libldap/result.c
+++ b/libraries/libldap/result.c
@@ -501,6 +501,16 @@ nextresp3:
 		lc->lconn_ber = NULL;
 		break;
 
+	default:
+		/*
+		 * We read a BerElement that isn't LDAP or the stream has desync'd.
+		 * In either case, anything we read from now on is probably garbage,
+		 * just drop the connection.
+		 */
+		ber_free( ber, 1 );
+		lc->lconn_ber = NULL;
+		/* FALLTHRU */
+
 	case LBER_DEFAULT:
 		err = sock_errno();
 #ifdef LDAP_DEBUG		   
@@ -513,10 +523,6 @@ nextresp3:
 		--lc->lconn_refcnt;
 		lc->lconn_status = 0;
 		return -1;
-
-	default:
-		ld->ld_errno = LDAP_LOCAL_ERROR;
-		return -1;
 	}
 
 	/* message id */
-- 
2.40.1