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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
ea430986 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
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 | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
ea430986 | 22 | #include "log.h" |
718db961 | 23 | #include "sd-bus.h" |
cad45ba1 | 24 | #include "selinux-access.h" |
718db961 LP |
25 | #include "job.h" |
26 | #include "dbus-job.h" | |
8f8f05a9 | 27 | #include "dbus.h" |
718db961 LP |
28 | |
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); | |
31 | ||
32 | static int property_get_unit( | |
33 | sd_bus *bus, | |
34 | const char *path, | |
35 | const char *interface, | |
36 | const char *property, | |
37 | sd_bus_message *reply, | |
ebcf1f97 LP |
38 | void *userdata, |
39 | sd_bus_error *error) { | |
ea430986 | 40 | |
68eda4bd | 41 | _cleanup_free_ char *p = NULL; |
718db961 | 42 | Job *j = userdata; |
86fbf370 | 43 | |
718db961 LP |
44 | assert(bus); |
45 | assert(reply); | |
86fbf370 LP |
46 | assert(j); |
47 | ||
cad45ba1 LP |
48 | p = unit_dbus_path(j->unit); |
49 | if (!p) | |
86fbf370 LP |
50 | return -ENOMEM; |
51 | ||
718db961 | 52 | return sd_bus_message_append(reply, "(so)", j->unit->id, p); |
86fbf370 LP |
53 | } |
54 | ||
ebcf1f97 | 55 | static int method_cancel(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 56 | Job *j = userdata; |
ebcf1f97 | 57 | int r; |
ea430986 | 58 | |
718db961 | 59 | assert(bus); |
ea430986 | 60 | assert(message); |
718db961 | 61 | assert(j); |
86fbf370 | 62 | |
4f4f7036 | 63 | r = selinux_unit_access_check(j->unit, message, "stop", error); |
ebcf1f97 LP |
64 | if (r < 0) |
65 | return r; | |
66 | ||
718db961 | 67 | job_finish_and_invalidate(j, JOB_CANCELED, true); |
2cccbca4 | 68 | |
df2d202e | 69 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
70 | } |
71 | ||
718db961 LP |
72 | const sd_bus_vtable bus_job_vtable[] = { |
73 | SD_BUS_VTABLE_START(0), | |
74 | SD_BUS_METHOD("Cancel", NULL, NULL, method_cancel, 0), | |
556089dc LP |
75 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), SD_BUS_VTABLE_PROPERTY_CONST), |
76 | SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
77 | SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
78 | SD_BUS_PROPERTY("State", "s", property_get_state, offsetof(Job, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
79 | SD_BUS_VTABLE_END | |
ea430986 | 80 | }; |
c1e1601e | 81 | |
8f8f05a9 | 82 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 | 83 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
1508e858 | 84 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 85 | Job *j = userdata; |
718db961 LP |
86 | int r; |
87 | ||
88 | assert(bus); | |
89 | assert(j); | |
c1e1601e | 90 | |
97e6a119 MS |
91 | p = job_dbus_path(j); |
92 | if (!p) | |
718db961 | 93 | return -ENOMEM; |
c1e1601e | 94 | |
718db961 LP |
95 | r = sd_bus_message_new_signal( |
96 | bus, | |
151b9b96 | 97 | &m, |
718db961 LP |
98 | "/org/freedesktop/systemd1", |
99 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 100 | "JobNew"); |
718db961 LP |
101 | if (r < 0) |
102 | return r; | |
103 | ||
104 | r = sd_bus_message_append(m, "uos", j->id, p, j->unit->id); | |
105 | if (r < 0) | |
106 | return r; | |
107 | ||
8f8f05a9 | 108 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
109 | } |
110 | ||
8f8f05a9 | 111 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
1508e858 | 112 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 113 | Job *j = userdata; |
718db961 LP |
114 | |
115 | assert(bus); | |
116 | assert(j); | |
c1e1601e | 117 | |
97e6a119 MS |
118 | p = job_dbus_path(j); |
119 | if (!p) | |
718db961 | 120 | return -ENOMEM; |
c1e1601e | 121 | |
718db961 | 122 | return sd_bus_emit_properties_changed(bus, p, "org.freedesktop.systemd1.Job", "State", NULL); |
97e6a119 MS |
123 | } |
124 | ||
125 | void bus_job_send_change_signal(Job *j) { | |
718db961 LP |
126 | int r; |
127 | ||
97e6a119 MS |
128 | assert(j); |
129 | ||
130 | if (j->in_dbus_queue) { | |
71fda00f | 131 | LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j); |
97e6a119 MS |
132 | j->in_dbus_queue = false; |
133 | } | |
134 | ||
8f8f05a9 | 135 | r = bus_foreach_bus(j->manager, j->subscribed, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j); |
718db961 | 136 | if (r < 0) |
39abcaee | 137 | log_debug("Failed to send job change signal for %u: %s", j->id, strerror(-r)); |
97e6a119 MS |
138 | |
139 | j->sent_dbus_new_signal = true; | |
718db961 LP |
140 | } |
141 | ||
8f8f05a9 | 142 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
143 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
144 | _cleanup_free_ char *p = NULL; | |
8f8f05a9 | 145 | Job *j = userdata; |
718db961 LP |
146 | int r; |
147 | ||
148 | assert(bus); | |
149 | assert(j); | |
150 | ||
151 | p = job_dbus_path(j); | |
152 | if (!p) | |
153 | return -ENOMEM; | |
c1e1601e | 154 | |
718db961 LP |
155 | r = sd_bus_message_new_signal( |
156 | bus, | |
151b9b96 | 157 | &m, |
718db961 LP |
158 | "/org/freedesktop/systemd1", |
159 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 160 | "JobRemoved"); |
718db961 LP |
161 | if (r < 0) |
162 | return r; | |
163 | ||
164 | r = sd_bus_message_append(m, "uoss", j->id, p, j->unit->id, job_result_to_string(j->result)); | |
165 | if (r < 0) | |
166 | return r; | |
167 | ||
8f8f05a9 | 168 | return sd_bus_send(bus, m, NULL); |
97e6a119 | 169 | } |
c1e1601e | 170 | |
97e6a119 | 171 | void bus_job_send_removed_signal(Job *j) { |
718db961 | 172 | int r; |
c1e1601e | 173 | |
718db961 | 174 | assert(j); |
97e6a119 MS |
175 | |
176 | if (!j->sent_dbus_new_signal) | |
177 | bus_job_send_change_signal(j); | |
178 | ||
8f8f05a9 | 179 | r = bus_foreach_bus(j->manager, j->subscribed, send_removed_signal, j); |
718db961 | 180 | if (r < 0) |
39abcaee | 181 | log_debug("Failed to send job remove signal for %u: %s", j->id, strerror(-r)); |
c1e1601e | 182 | } |