1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
24 #include "selinux-access.h"
29 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, job_type, JobType);
30 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_state, job_state, JobState);
32 static int property_get_unit(
35 const char *interface,
37 sd_bus_message *reply,
39 sd_bus_error *error) {
41 _cleanup_free_ char *p = NULL;
48 p = unit_dbus_path(j->unit);
52 return sd_bus_message_append(reply, "(so)", j->unit->id, p);
55 int bus_job_method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
63 r = mac_selinux_unit_access_check(j->unit, message, "stop", error);
67 /* Access is granted to the job owner */
68 if (!sd_bus_track_contains(j->clients, sd_bus_message_get_sender(message))) {
70 /* And for everybody else consult PolicyKit */
71 r = bus_verify_manage_units_async(j->unit->manager, message, error);
75 return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */
78 job_finish_and_invalidate(j, JOB_CANCELED, true);
80 return sd_bus_reply_method_return(message, NULL);
83 const sd_bus_vtable bus_job_vtable[] = {
84 SD_BUS_VTABLE_START(0),
85 SD_BUS_METHOD("Cancel", NULL, NULL, bus_job_method_cancel, SD_BUS_VTABLE_UNPRIVILEGED),
86 SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), SD_BUS_VTABLE_PROPERTY_CONST),
87 SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST),
88 SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), SD_BUS_VTABLE_PROPERTY_CONST),
89 SD_BUS_PROPERTY("State", "s", property_get_state, offsetof(Job, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
93 static int send_new_signal(sd_bus *bus, void *userdata) {
94 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
95 _cleanup_free_ char *p = NULL;
102 p = job_dbus_path(j);
106 r = sd_bus_message_new_signal(
109 "/org/freedesktop/systemd1",
110 "org.freedesktop.systemd1.Manager",
115 r = sd_bus_message_append(m, "uos", j->id, p, j->unit->id);
119 return sd_bus_send(bus, m, NULL);
122 static int send_changed_signal(sd_bus *bus, void *userdata) {
123 _cleanup_free_ char *p = NULL;
129 p = job_dbus_path(j);
133 return sd_bus_emit_properties_changed(bus, p, "org.freedesktop.systemd1.Job", "State", NULL);
136 void bus_job_send_change_signal(Job *j) {
141 if (j->in_dbus_queue) {
142 LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j);
143 j->in_dbus_queue = false;
146 r = bus_foreach_bus(j->manager, j->clients, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j);
148 log_debug_errno(r, "Failed to send job change signal for %u: %m", j->id);
150 j->sent_dbus_new_signal = true;
153 static int send_removed_signal(sd_bus *bus, void *userdata) {
154 _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
155 _cleanup_free_ char *p = NULL;
162 p = job_dbus_path(j);
166 r = sd_bus_message_new_signal(
169 "/org/freedesktop/systemd1",
170 "org.freedesktop.systemd1.Manager",
175 r = sd_bus_message_append(m, "uoss", j->id, p, j->unit->id, job_result_to_string(j->result));
179 return sd_bus_send(bus, m, NULL);
182 void bus_job_send_removed_signal(Job *j) {
187 if (!j->sent_dbus_new_signal)
188 bus_job_send_change_signal(j);
190 r = bus_foreach_bus(j->manager, j->clients, send_removed_signal, j);
192 log_debug_errno(r, "Failed to send job remove signal for %u: %m", j->id);