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-rw-r--r--source4/rpc_server/drsuapi/getncchanges.c45
1 files changed, 43 insertions, 2 deletions
diff --git a/source4/rpc_server/drsuapi/getncchanges.c b/source4/rpc_server/drsuapi/getncchanges.c
index 3189381d8e..b48bc68293 100644
--- a/source4/rpc_server/drsuapi/getncchanges.c
+++ b/source4/rpc_server/drsuapi/getncchanges.c
@@ -486,6 +486,35 @@ static WERROR get_nc_changes_udv(struct ldb_context *sam_ctx,
return WERR_OK;
}
+/*
+ sort the objects we send by tree order
+ */
+static int site_res_cmp_parent_order(const struct ldb_message **m1, const struct ldb_message **m2)
+{
+ return ldb_dn_compare((*m2)->dn, (*m1)->dn);
+}
+
+/*
+ sort the objects we send first by uSNChanged
+ */
+static int site_res_cmp_usn_order(const struct ldb_message **m1, const struct ldb_message **m2)
+{
+ unsigned usnchanged1, usnchanged2;
+ unsigned cn1, cn2;
+ cn1 = ldb_dn_get_comp_num((*m1)->dn);
+ cn2 = ldb_dn_get_comp_num((*m2)->dn);
+ if (cn1 != cn2) {
+ return cn1 > cn2 ? 1 : -1;
+ }
+ usnchanged1 = ldb_msg_find_attr_as_uint(*m1, "uSNChanged", 0);
+ usnchanged2 = ldb_msg_find_attr_as_uint(*m2, "uSNChanged", 0);
+ if (usnchanged1 == usnchanged2) {
+ return 0;
+ }
+ return usnchanged1 > usnchanged2 ? 1 : -1;
+}
+
+
/* state of a partially completed getncchanges call */
struct drsuapi_getncchanges_state {
struct ldb_result *site_res;
@@ -665,15 +694,27 @@ WERROR dcesrv_drsuapi_DsGetNCChanges(struct dcesrv_call_state *dce_call, TALLOC_
scope = LDB_SCOPE_BASE;
}
- DEBUG(6,(__location__ ": getncchanges on %s using filter %s\n",
+ DEBUG(1,(__location__ ": getncchanges on %s using filter %s\n",
ldb_dn_get_linearized(getnc_state->ncRoot_dn), search_filter));
ret = drsuapi_search_with_extended_dn(b_state->sam_ctx, getnc_state, &getnc_state->site_res,
getnc_state->ncRoot_dn, scope, attrs,
- "uSNChanged",
search_filter);
if (ret != LDB_SUCCESS) {
return WERR_DS_DRA_INTERNAL_ERROR;
}
+
+ if (req8->replica_flags & DRSUAPI_DS_REPLICA_NEIGHBOUR_RETURN_OBJECT_PARENTS) {
+ qsort(getnc_state->site_res->msgs,
+ getnc_state->site_res->count,
+ sizeof(getnc_state->site_res->msgs[0]),
+ (comparison_fn_t)site_res_cmp_parent_order);
+ } else {
+ qsort(getnc_state->site_res->msgs,
+ getnc_state->site_res->count,
+ sizeof(getnc_state->site_res->msgs[0]),
+ (comparison_fn_t)site_res_cmp_usn_order);
+ }
+
}
/* Prefix mapping */