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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 | ||
718db961 | 22 | #include "sd-bus.h" |
07630cea LP |
23 | |
24 | #include "dbus.h" | |
718db961 | 25 | #include "job.h" |
07630cea LP |
26 | #include "log.h" |
27 | #include "selinux-access.h" | |
28 | #include "string-util.h" | |
718db961 | 29 | #include "dbus-job.h" |
718db961 LP |
30 | |
31 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, job_type, JobType); | |
32 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_state, job_state, JobState); | |
33 | ||
34 | static int property_get_unit( | |
35 | sd_bus *bus, | |
36 | const char *path, | |
37 | const char *interface, | |
38 | const char *property, | |
39 | sd_bus_message *reply, | |
ebcf1f97 LP |
40 | void *userdata, |
41 | sd_bus_error *error) { | |
ea430986 | 42 | |
68eda4bd | 43 | _cleanup_free_ char *p = NULL; |
718db961 | 44 | Job *j = userdata; |
86fbf370 | 45 | |
718db961 LP |
46 | assert(bus); |
47 | assert(reply); | |
86fbf370 LP |
48 | assert(j); |
49 | ||
cad45ba1 LP |
50 | p = unit_dbus_path(j->unit); |
51 | if (!p) | |
86fbf370 LP |
52 | return -ENOMEM; |
53 | ||
718db961 | 54 | return sd_bus_message_append(reply, "(so)", j->unit->id, p); |
86fbf370 LP |
55 | } |
56 | ||
19070062 | 57 | int bus_job_method_cancel(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 58 | Job *j = userdata; |
ebcf1f97 | 59 | int r; |
ea430986 | 60 | |
ea430986 | 61 | assert(message); |
718db961 | 62 | assert(j); |
86fbf370 | 63 | |
8a188de9 | 64 | r = mac_selinux_unit_access_check(j->unit, message, "stop", error); |
ebcf1f97 LP |
65 | if (r < 0) |
66 | return r; | |
67 | ||
1d22e906 LP |
68 | /* Access is granted to the job owner */ |
69 | if (!sd_bus_track_contains(j->clients, sd_bus_message_get_sender(message))) { | |
70 | ||
71 | /* And for everybody else consult PolicyKit */ | |
72 | r = bus_verify_manage_units_async(j->unit->manager, message, error); | |
73 | if (r < 0) | |
74 | return r; | |
75 | if (r == 0) | |
76 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
77 | } | |
78 | ||
718db961 | 79 | job_finish_and_invalidate(j, JOB_CANCELED, true); |
2cccbca4 | 80 | |
df2d202e | 81 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
82 | } |
83 | ||
718db961 LP |
84 | const sd_bus_vtable bus_job_vtable[] = { |
85 | SD_BUS_VTABLE_START(0), | |
283868e1 | 86 | SD_BUS_METHOD("Cancel", NULL, NULL, bus_job_method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
556089dc LP |
87 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), SD_BUS_VTABLE_PROPERTY_CONST), |
88 | SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
89 | SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
90 | SD_BUS_PROPERTY("State", "s", property_get_state, offsetof(Job, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
91 | SD_BUS_VTABLE_END | |
ea430986 | 92 | }; |
c1e1601e | 93 | |
8f8f05a9 | 94 | static int send_new_signal(sd_bus *bus, void *userdata) { |
718db961 | 95 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
1508e858 | 96 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 97 | Job *j = userdata; |
718db961 LP |
98 | int r; |
99 | ||
100 | assert(bus); | |
101 | assert(j); | |
c1e1601e | 102 | |
97e6a119 MS |
103 | p = job_dbus_path(j); |
104 | if (!p) | |
718db961 | 105 | return -ENOMEM; |
c1e1601e | 106 | |
718db961 LP |
107 | r = sd_bus_message_new_signal( |
108 | bus, | |
151b9b96 | 109 | &m, |
718db961 LP |
110 | "/org/freedesktop/systemd1", |
111 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 112 | "JobNew"); |
718db961 LP |
113 | if (r < 0) |
114 | return r; | |
115 | ||
116 | r = sd_bus_message_append(m, "uos", j->id, p, j->unit->id); | |
117 | if (r < 0) | |
118 | return r; | |
119 | ||
8f8f05a9 | 120 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
121 | } |
122 | ||
8f8f05a9 | 123 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
1508e858 | 124 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 125 | Job *j = userdata; |
718db961 LP |
126 | |
127 | assert(bus); | |
128 | assert(j); | |
c1e1601e | 129 | |
97e6a119 MS |
130 | p = job_dbus_path(j); |
131 | if (!p) | |
718db961 | 132 | return -ENOMEM; |
c1e1601e | 133 | |
718db961 | 134 | return sd_bus_emit_properties_changed(bus, p, "org.freedesktop.systemd1.Job", "State", NULL); |
97e6a119 MS |
135 | } |
136 | ||
137 | void bus_job_send_change_signal(Job *j) { | |
718db961 LP |
138 | int r; |
139 | ||
97e6a119 MS |
140 | assert(j); |
141 | ||
142 | if (j->in_dbus_queue) { | |
71fda00f | 143 | LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j); |
97e6a119 MS |
144 | j->in_dbus_queue = false; |
145 | } | |
146 | ||
b39a2770 | 147 | r = bus_foreach_bus(j->manager, j->clients, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j); |
718db961 | 148 | if (r < 0) |
da927ba9 | 149 | log_debug_errno(r, "Failed to send job change signal for %u: %m", j->id); |
97e6a119 MS |
150 | |
151 | j->sent_dbus_new_signal = true; | |
718db961 LP |
152 | } |
153 | ||
8f8f05a9 | 154 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
718db961 LP |
155 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; |
156 | _cleanup_free_ char *p = NULL; | |
8f8f05a9 | 157 | Job *j = userdata; |
718db961 LP |
158 | int r; |
159 | ||
160 | assert(bus); | |
161 | assert(j); | |
162 | ||
163 | p = job_dbus_path(j); | |
164 | if (!p) | |
165 | return -ENOMEM; | |
c1e1601e | 166 | |
718db961 LP |
167 | r = sd_bus_message_new_signal( |
168 | bus, | |
151b9b96 | 169 | &m, |
718db961 LP |
170 | "/org/freedesktop/systemd1", |
171 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 172 | "JobRemoved"); |
718db961 LP |
173 | if (r < 0) |
174 | return r; | |
175 | ||
176 | r = sd_bus_message_append(m, "uoss", j->id, p, j->unit->id, job_result_to_string(j->result)); | |
177 | if (r < 0) | |
178 | return r; | |
179 | ||
8f8f05a9 | 180 | return sd_bus_send(bus, m, NULL); |
97e6a119 | 181 | } |
c1e1601e | 182 | |
97e6a119 | 183 | void bus_job_send_removed_signal(Job *j) { |
718db961 | 184 | int r; |
c1e1601e | 185 | |
718db961 | 186 | assert(j); |
97e6a119 MS |
187 | |
188 | if (!j->sent_dbus_new_signal) | |
189 | bus_job_send_change_signal(j); | |
190 | ||
b39a2770 | 191 | r = bus_foreach_bus(j->manager, j->clients, send_removed_signal, j); |
718db961 | 192 | if (r < 0) |
da927ba9 | 193 | log_debug_errno(r, "Failed to send job remove signal for %u: %m", j->id); |
c1e1601e | 194 | } |