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-rw-r--r--src/resolve/resolved-dns-scope.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c
index 8a52d66fad..ac4887abea 100644
--- a/src/resolve/resolved-dns-scope.c
+++ b/src/resolve/resolved-dns-scope.c
@@ -1015,3 +1015,22 @@ bool dns_scope_name_needs_search_domain(DnsScope *s, const char *name) {
return dns_name_is_single_label(name);
}
+
+bool dns_scope_network_good(DnsScope *s) {
+ Iterator i;
+ Link *l;
+
+ /* Checks whether the network is in good state for lookups on this scope. For mDNS/LLMNR/Classic DNS scopes
+ * bound to links this is easy, as they don't even exist if the link isn't in a suitable state. For the global
+ * DNS scope we check whether there are any links that are up and have an address. */
+
+ if (s->link)
+ return true;
+
+ HASHMAP_FOREACH(l, s->manager->links, i) {
+ if (link_relevant(l, AF_UNSPEC, false))
+ return true;
+ }
+
+ return false;
+}