hostnamectl: add more really basic system info to the status output

[elogind.git] / src / hostname / hostnamed.c

diff --git a/src/hostname/hostnamed.c b/src/hostname/hostnamed.c
index ad724408453bf5f8257878d80df71cdea9a52646..cd3ef491ac3ec4fb9efae6d3ab78c7904de3abd0 100644 (file)
--- a/src/hostname/hostnamed.c
+++ b/src/hostname/hostnamed.c
@@ -6,16 +6,16 @@
   Copyright 2011 Lennart Poettering
 
   systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU General Public License as published by
-  the Free Software Foundation; either version 2 of the License, or
+  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
-  General Public License for more details.
+  Lesser General Public License for more details.
 
-  You should have received a copy of the GNU General Public License
+  You should have received a copy of the GNU Lesser General Public License
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
@@ -451,6 +451,14 @@ static DBusHandlerResult hostname_message_handler(
                         } else {
                                 char *h;
 
+                                /* The icon name might ultimately be
+                                 * used as file name, so better be
+                                 * safe than sorry */
+                                if (k == PROP_ICON_NAME && !filename_is_safe(name))
+                                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
+                                if (k == PROP_PRETTY_HOSTNAME && !string_is_safe(name))
+                                        return bus_send_error_reply(connection, message, NULL, -EINVAL);
+
                                 h = strdup(name);
                                 if (!h)
                                         goto oom;
@@ -532,8 +540,7 @@ static int connect_bus(DBusConnection **_bus) {
 
         if (!dbus_connection_register_object_path(bus, "/org/freedesktop/hostname1", &hostname_vtable, NULL) ||
             !dbus_connection_add_filter(bus, bus_exit_idle_filter, &remain_until, NULL)) {
-                log_error("Not enough memory");
-                r = -ENOMEM;
+                r = log_oom();
                 goto fail;
         }