File 0005-openldap-its9753.patch of Package openldap2

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File 0005-openldap-its9753.patch of Package openldap2

From 739081f217c9cdb2636d99250092e8d7b30bdd94 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Tue, 23 Nov 2021 17:10:29 +0000
Subject: ITS#9753 back-mdb: Fix index updating for replace ops

diff --git a/servers/slapd/back-mdb/modify.c b/servers/slapd/back-mdb/modify.c
index 5b301408d..87b54a472 100644
--- a/servers/slapd/back-mdb/modify.c
+++ b/servers/slapd/back-mdb/modify.c
@@ -27,11 +27,14 @@ static struct berval scbva[] = {
 	BER_BVNULL
 };
 
+#define	CHECK_ADD	1
+#define	CHECK_DEL	2
+
 static void
 mdb_modify_idxflags(
 	Operation *op,
 	AttributeDescription *desc,
-	int got_delete,
+	int ixcheck,
 	Attribute *newattrs,
 	Attribute *oldattrs )
 {
@@ -42,7 +45,7 @@ mdb_modify_idxflags(
 	 * but not in case of NOOP... */
 	ai = mdb_index_mask( op->o_bd, desc, &ix_at );
 	if ( ai ) {
-		if ( got_delete ) {
+		if ( ixcheck & CHECK_DEL ) {
 			Attribute 	*ap;
 			struct berval	ix2;
 
@@ -65,7 +68,8 @@ mdb_modify_idxflags(
 				}
 			}
 
-		} else {
+		}
+		if ( ixcheck & CHECK_ADD ) {
 			Attribute 	*ap;
 
 			ap = attr_find( newattrs, desc );
@@ -91,7 +95,7 @@ int mdb_modify_internal(
 	Attribute 	*ap, *aold, *anew;
 	int			glue_attr_delete = 0;
 	int			softop, chkpresent;
-	int			got_delete;
+	int			ixcheck;
 	int			a_flags;
 	MDB_cursor	*mvc = NULL;
 
@@ -140,7 +144,7 @@ int mdb_modify_internal(
 
 	for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
 		mod = &ml->sml_mod;
-		got_delete = 0;
+		ixcheck = 0;
 
 		aold = attr_find( e->e_attrs, mod->sm_desc );
 		if (aold)
@@ -207,6 +211,7 @@ mval_fail:					strncpy( textbuf, mdb_strerror( err ), textlen );
 					if ( err )
 						goto mval_fail;
 				}
+				ixcheck |= CHECK_ADD;
 			}
 			break;
 
@@ -237,7 +242,7 @@ do_del:
 					err, *text );
 			} else {
 				if (softop != 2)
-					got_delete = 1;
+					ixcheck |= CHECK_DEL;
 				/* check for big multivalued attrs */
 				if (a_flags & SLAP_ATTR_BIG_MULTI) {
 					Attribute a_dummy;
@@ -285,7 +290,9 @@ do_del:
 					err, *text );
 			} else {
 				unsigned hi;
-				got_delete = 1;
+				ixcheck = CHECK_DEL;
+				if ( mod->sm_numvals )
+					ixcheck |= CHECK_ADD;
 				if (a_flags & SLAP_ATTR_BIG_MULTI) {
 					Attribute a_dummy;
 					if (!mvc) {
@@ -331,7 +338,7 @@ do_del:
 					"mdb_modify_internal: %d %s\n",
 					err, *text );
 			} else {
-				got_delete = 1;
+				ixcheck = CHECK_ADD|CHECK_DEL;
 			}
 			break;
 
@@ -403,7 +410,7 @@ do_del:
 		/* check if modified attribute was indexed
 		 * but not in case of NOOP... */
 		if ( !op->o_noop ) {
-			mdb_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs );
+			mdb_modify_idxflags( op, mod->sm_desc, ixcheck, e->e_attrs, save_attrs );
 		}
 	}
 
@@ -434,7 +441,7 @@ do_del:
 		assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass );
 		if ( !op->o_noop ) {
 			mdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass,
-				1, e->e_attrs, save_attrs );
+				CHECK_ADD|CHECK_DEL, e->e_attrs, save_attrs );
 		}
 	}

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File 0005-openldap-its9753.patch of Package openldap2

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