summaryrefslogtreecommitdiff
path: root/src/resolve/resolved.c
diff options
context:
space:
mode:
authorTom Gundersen <teg@jklm.no>2014-05-18 22:10:48 +0200
committerTom Gundersen <teg@jklm.no>2014-05-19 18:14:56 +0200
commit091a364c802e34a58f3260c9cb5db9b75c62215c (patch)
tree35b22463dde65c3fcaec38653fe757ae30152b15 /src/resolve/resolved.c
parent7dbf94a9c4dcdf9b56384e66eb2652fb61da5063 (diff)
resolved: add daemon to manage resolv.conf
Also remove the equivalent functionality from networkd.
Diffstat (limited to 'src/resolve/resolved.c')
-rw-r--r--src/resolve/resolved.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/src/resolve/resolved.c b/src/resolve/resolved.c
new file mode 100644
index 0000000000..82f43d6803
--- /dev/null
+++ b/src/resolve/resolved.c
@@ -0,0 +1,86 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen <teg@jklm.no>
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "sd-event.h"
+#include "sd-daemon.h"
+
+#include "resolved.h"
+
+#include "mkdir.h"
+
+int main(int argc, char *argv[]) {
+ _cleanup_manager_free_ Manager *m = NULL;
+ int r;
+
+ log_set_target(LOG_TARGET_AUTO);
+ log_parse_environment();
+ log_open();
+
+ umask(0022);
+
+ if (argc != 1) {
+ log_error("This program takes no arguments.");
+ r = -EINVAL;
+ goto out;
+ }
+
+ /* Always create the directory where resolv.conf will live */
+ r = mkdir_label("/run/systemd/network", 0755);
+ if (r < 0)
+ log_error("Could not create runtime directory: %s",
+ strerror(-r));
+
+ r = manager_new(&m);
+ if (r < 0) {
+ log_error("Could not create manager: %s", strerror(-r));
+ goto out;
+ }
+
+ r = manager_network_monitor_listen(m);
+ if (r < 0) {
+ log_error("Could not listen for network events: %s", strerror(-r));
+ goto out;
+ }
+
+ /* write out default resolv.conf to avoid a
+ * dangling symlink */
+ r = manager_update_resolv_conf(m);
+ if (r < 0) {
+ log_error("Could not create resolv.conf: %s", strerror(-r));
+ goto out;
+ }
+
+ sd_notify(false,
+ "READY=1\n"
+ "STATUS=Processing requests...");
+
+ r = sd_event_loop(m->event);
+ if (r < 0) {
+ log_error("Event loop failed: %s", strerror(-r));
+ goto out;
+ }
+
+out:
+ sd_notify(false,
+ "STATUS=Shutting down...");
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}