resolved: enforce a maximum limit on both dns servers and search domains

1 files changed, 5 insertions, 0 deletions

diff --git a/src/resolve/resolved-link.h b/src/resolve/resolved-link.h
index a25715d269..eb00015bd5 100644
--- a/src/resolve/resolved-link.h
+++ b/src/resolve/resolved-link.h
@@ -34,6 +34,9 @@ typedef struct LinkAddress LinkAddress;
 #include "resolved-dns-server.h"
 #include "resolved-manager.h"
 
+#define LINK_SEARCH_DOMAINS_MAX 32
+#define LINK_DNS_SERVERS_MAX 32
+
 struct LinkAddress {
         Link *link;
 
@@ -58,8 +61,10 @@ struct Link {
 
         LIST_HEAD(DnsServer, dns_servers);
         DnsServer *current_dns_server;
+        unsigned n_dns_servers;
 
         LIST_HEAD(DnsSearchDomain, search_domains);
+        unsigned n_search_domains;
 
         Support llmnr_support;