allow/deny interfaces support

Original patch from Skinkie. Heavily modified by Lennart Poettering.

Closes #212.

2 files changed, 25 insertions, 1 deletions

diff --git a/avahi-daemon/avahi-daemon.conf b/avahi-daemon/avahi-daemon.conf
index 69df050..ad69c73 100644
--- a/avahi-daemon/avahi-daemon.conf
+++ b/avahi-daemon/avahi-daemon.conf
@@ -26,6 +26,8 @@
 browse-domains=0pointer.de, zeroconf.org
 use-ipv4=yes
 use-ipv6=no
+#allow-interfaces=eth0
+#deny-interfaces=eth1
 #check-response-ttl=no
 #use-iff-running=no
 #enable-dbus=yes
diff --git a/avahi-daemon/main.c b/avahi-daemon/main.c
index 7619399..c3cbb0e 100644
--- a/avahi-daemon/main.c
+++ b/avahi-daemon/main.c
@@ -597,7 +597,29 @@ static int load_config_file(DaemonConfig *c) {
                     }
                 }
 #endif
-                else {
+                else if (strcasecmp(p->key, "allow-interfaces") == 0) {
+                    char **e, **t;
+
+                    avahi_string_list_free(c->server_config.allow_interfaces);
+                    c->server_config.allow_interfaces = NULL;
+                    e = avahi_split_csv(p->value);
+
+                    for (t = e; *t; t++)
+                        c->server_config.allow_interfaces = avahi_string_list_add(c->server_config.allow_interfaces, *t);
+
+                    avahi_strfreev(e);
+                } else if (strcasecmp(p->key, "deny-interfaces") == 0) {
+                    char **e, **t;
+
+                    avahi_string_list_free(c->server_config.deny_interfaces);
+                    c->server_config.deny_interfaces = NULL;
+                    e = avahi_split_csv(p->value);
+
+                    for (t = e; *t; t++)
+                        c->server_config.deny_interfaces = avahi_string_list_add(c->server_config.deny_interfaces, *t);
+
+                    avahi_strfreev(e);
+                } else {
                     avahi_log_error("Invalid configuration key \"%s\" in group \"%s\"\n", p->key, g->name);
                     goto finish;
                 }