r21307: make it possible to pass in NULL for domain or rid,

if someone isn't interessted in one of it

metze

diff --git a/source/libcli/security/dom_sid.c b/source/libcli/security/dom_sid.c
index 54242eb515172f7af812d115b4be4b56dcb0c7f2..a72588dee1d8023cadbdda978fcfd3e917a0a954 100644 (file)
--- a/source/libcli/security/dom_sid.c
+++ b/source/libcli/security/dom_sid.c
@@ -225,12 +225,18 @@ NTSTATUS dom_sid_split_rid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
                return NT_STATUS_INVALID_PARAMETER;
        }
 
-       if (!(*domain = dom_sid_dup(mem_ctx, sid))) {
-               return NT_STATUS_NO_MEMORY;
+       if (domain) {
+               if (!(*domain = dom_sid_dup(mem_ctx, sid))) {
+                       return NT_STATUS_NO_MEMORY;
+               }
+
+               (*domain)->num_auths -= 1;
+       }
+
+       if (rid) {
+               *rid = sid->sub_auths[sid->num_auths - 1];
        }
 
-       (*domain)->num_auths -= 1;
-       *rid = (*domain)->sub_auths[(*domain)->num_auths];
        return NT_STATUS_OK;
 }