Allow overlapping regions (if subtree claim flag is set) when the backends

are identical.

OK tb@

diff --git a/usr.sbin/snmpd/application.c b/usr.sbin/snmpd/application.c
index 820d5aa..dad8ce4 100644 (file)
--- a/usr.sbin/snmpd/application.c
+++ b/usr.sbin/snmpd/application.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: application.c,v 1.11 2022/08/29 18:02:37 martijn Exp $        */
+/*     $OpenBSD: application.c,v 1.12 2022/08/29 18:05:08 martijn Exp $        */
 
 /*
  * Copyright (c) 2021 Martijn van Duren <martijn@openbsd.org>
@@ -233,12 +233,14 @@ appl_region(struct appl_context *ctx, uint32_t timeout, uint8_t priority,
         * This allows us to keep control of certain regions like system.
         */
        region = appl_region_find(ctx, oid);
-       if (region != NULL && region->ar_subtree)
+       if (region != NULL && region->ar_subtree &&
+           region->ar_backend != backend)
                goto overlap;
 
        search.ar_oid = *oid;
        region = RB_NFIND(appl_regions, &(ctx->ac_regions), &search);
-       if (region != NULL && region->ar_subtree && (
+       if (region != NULL && region->ar_subtree && 
+           region->ar_backend != backend && (
            appl_region_cmp(&search, region) == 0 ||
            appl_region_cmp(&search, region) == -2))
                goto overlap;