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Diffstat (limited to 'src/grp-network/systemd-networkd/networkd.c')
-rw-r--r--src/grp-network/systemd-networkd/networkd.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/src/grp-network/systemd-networkd/networkd.c b/src/grp-network/systemd-networkd/networkd.c
new file mode 100644
index 0000000000..9f5c75ac3d
--- /dev/null
+++ b/src/grp-network/systemd-networkd/networkd.c
@@ -0,0 +1,139 @@
+/***
+ This file is part of systemd.
+
+ Copyright 2013 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 <systemd/sd-daemon.h>
+
+#include "capability-util.h"
+#include "networkd.h"
+#include "networkd-conf.h"
+#include "signal-util.h"
+#include "user-util.h"
+
+int main(int argc, char *argv[]) {
+ _cleanup_manager_free_ Manager *m = NULL;
+ const char *user = "systemd-network";
+ uid_t uid;
+ gid_t gid;
+ 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;
+ }
+
+ r = get_user_creds(&user, &uid, &gid, NULL, NULL);
+ if (r < 0) {
+ log_error_errno(r, "Cannot resolve user name %s: %m", user);
+ goto out;
+ }
+
+ /* Always create the directories people can create inotify
+ * watches in. */
+ r = mkdir_safe_label("/run/systemd/netif", 0755, uid, gid);
+ if (r < 0)
+ log_warning_errno(r, "Could not create runtime directory: %m");
+
+ r = mkdir_safe_label("/run/systemd/netif/links", 0755, uid, gid);
+ if (r < 0)
+ log_warning_errno(r, "Could not create runtime directory 'links': %m");
+
+ r = mkdir_safe_label("/run/systemd/netif/leases", 0755, uid, gid);
+ if (r < 0)
+ log_warning_errno(r, "Could not create runtime directory 'leases': %m");
+
+ r = mkdir_safe_label("/run/systemd/netif/lldp", 0755, uid, gid);
+ if (r < 0)
+ log_warning_errno(r, "Could not create runtime directory 'lldp': %m");
+
+ r = drop_privileges(uid, gid,
+ (1ULL << CAP_NET_ADMIN) |
+ (1ULL << CAP_NET_BIND_SERVICE) |
+ (1ULL << CAP_NET_BROADCAST) |
+ (1ULL << CAP_NET_RAW));
+ if (r < 0)
+ goto out;
+
+ assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0);
+
+ r = manager_new(&m);
+ if (r < 0) {
+ log_error_errno(r, "Could not create manager: %m");
+ goto out;
+ }
+
+ r = manager_connect_bus(m);
+ if (r < 0) {
+ log_error_errno(r, "Could not connect to bus: %m");
+ goto out;
+ }
+
+ r = manager_parse_config_file(m);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse configuration file: %m");
+
+ r = manager_load_config(m);
+ if (r < 0) {
+ log_error_errno(r, "Could not load configuration files: %m");
+ goto out;
+ }
+
+ r = manager_rtnl_enumerate_links(m);
+ if (r < 0) {
+ log_error_errno(r, "Could not enumerate links: %m");
+ goto out;
+ }
+
+ r = manager_rtnl_enumerate_addresses(m);
+ if (r < 0) {
+ log_error_errno(r, "Could not enumerate addresses: %m");
+ goto out;
+ }
+
+ r = manager_rtnl_enumerate_routes(m);
+ if (r < 0) {
+ log_error_errno(r, "Could not enumerate routes: %m");
+ goto out;
+ }
+
+ log_info("Enumeration completed");
+
+ sd_notify(false,
+ "READY=1\n"
+ "STATUS=Processing requests...");
+
+ r = manager_run(m);
+ if (r < 0) {
+ log_error_errno(r, "Event loop failed: %m");
+ goto out;
+ }
+
+out:
+ sd_notify(false,
+ "STOPPING=1\n"
+ "STATUS=Shutting down...");
+
+ return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}