s4:ldb_ildap - Don't segfault on a empty RDN

[ira/wip.git] / source4 / lib / ldb / ldb_ildap / ldb_ildap.c

diff --git a/source4/lib/ldb/ldb_ildap/ldb_ildap.c b/source4/lib/ldb/ldb_ildap/ldb_ildap.c
index ffde048223f318a12583ff02aa6f286d65110c43..352b7696d698fa47492bfb6b93e2de4f54e1368f 100644 (file)
--- a/source4/lib/ldb/ldb_ildap/ldb_ildap.c
+++ b/source4/lib/ldb/ldb_ildap/ldb_ildap.c
@@ -591,6 +591,8 @@ static int ildb_rename(struct ildb_context *ac)
 {
        struct ldb_request *req = ac->req;
        struct ldap_message *msg;
 {
        struct ldb_request *req = ac->req;
        struct ldap_message *msg;

+       const char *rdn_name;
+       const struct ldb_val *rdn_val;

 
        msg = new_ldap_message(req);
        if (msg == NULL) {
 
        msg = new_ldap_message(req);
        if (msg == NULL) {


@@ -604,10 +606,16 @@ static int ildb_rename(struct ildb_context *ac)
                return LDB_ERR_INVALID_DN_SYNTAX;
        }
 
                return LDB_ERR_INVALID_DN_SYNTAX;
        }
 

-       msg->r.ModifyDNRequest.newrdn =
-               talloc_asprintf(msg, "%s=%s",
-                               ldb_dn_get_rdn_name(req->op.rename.newdn),
-                               ldb_dn_escape_value(msg, *ldb_dn_get_rdn_val(req->op.rename.newdn)));
+       rdn_name = ldb_dn_get_rdn_name(req->op.rename.newdn);
+       rdn_val = ldb_dn_get_rdn_val(req->op.rename.newdn);
+
+       if ((rdn_name != NULL) && (rdn_val != NULL)) {
+               msg->r.ModifyDNRequest.newrdn =
+                       talloc_asprintf(msg, "%s=%s", rdn_name,
+                               ldb_dn_escape_value(msg, *rdn_val));
+       } else {
+               msg->r.ModifyDNRequest.newrdn = talloc_strdup(msg, "");
+       }

        if (msg->r.ModifyDNRequest.newrdn == NULL) {
                talloc_free(msg);
                return LDB_ERR_OPERATIONS_ERROR;
        if (msg->r.ModifyDNRequest.newrdn == NULL) {
                talloc_free(msg);
                return LDB_ERR_OPERATIONS_ERROR;