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From c17ad43fc445ee649f1020378d8464b96ce57102 Mon Sep 17 00:00:00 2001
From: Michal Sekletar <msekleta@redhat.com>
Date: Mon, 13 Apr 2015 10:06:41 +0200
Subject: [PATCH 3/4] dbus: don't crash if we can't determine alternative
{service,host} name
Resolves: #1003688
---
avahi-daemon/dbus-protocol.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/avahi-daemon/dbus-protocol.c b/avahi-daemon/dbus-protocol.c
index eb8a662..d7738bd 100644
--- a/avahi-daemon/dbus-protocol.c
+++ b/avahi-daemon/dbus-protocol.c
@@ -391,6 +391,11 @@ static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAH
}
t = avahi_alternative_host_name(n);
+ if (!t) {
+ avahi_log_warn("Failed to determine alternative host name");
+ goto fail;
+ }
+
avahi_dbus_respond_string(c, m, t);
avahi_free(t);
@@ -405,6 +410,11 @@ static DBusHandlerResult msg_server_impl(DBusConnection *c, DBusMessage *m, AVAH
}
t = avahi_alternative_service_name(n);
+ if (!t) {
+ avahi_log_warn("Failed to determine alternative service name");
+ goto fail;
+ }
+
avahi_dbus_respond_string(c, m, t);
avahi_free(t);
--
2.3.4