[PATCH] s4-dsdb: Ensure we permit multi-valued backlinks on single-valued attributes

[Andrew Bartlett]

This was already done in repl_meta_data, but it needs to be done here
as well to cope with Windows 2000 level links.

Andrew Bartlett
---
 source4/dsdb/samdb/ldb_modules/linked_attributes.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/source4/dsdb/samdb/ldb_modules/linked_attributes.c b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
index 324faa2..393f00f 100644
--- a/source4/dsdb/samdb/ldb_modules/linked_attributes.c
+++ b/source4/dsdb/samdb/ldb_modules/linked_attributes.c
@@ -975,6 +975,13 @@ static int la_do_op_request(struct ldb_module *module, struct la_context *ac, st
 		ret_el->values[0] = data_blob_string_const(ldb_dn_get_extended_linearized(new_msg, ac->del_dn, 1));
 	}
 
+	/* a backlink should never be single valued. Unfortunately the
+	   exchange schema has a attribute
+	   msExchBridgeheadedLocalConnectorsDNBL which is single
+	   valued and a backlink. We need to cope with that by
+	   ignoring the single value flag */
+	ret_el->flags |= LDB_FLAG_INTERNAL_DISABLE_SINGLE_VALUE_CHECK;
+
 #if 0
 	ldb_debug(ldb, LDB_DEBUG_WARNING,
 		  "link on %s %s: %s %s\n",
-- 
1.7.2.3


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