]>
Commit | Line | Data |
---|---|---|
a7334b09 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
a7334b09 | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
718db961 | 20 | #include "sd-bus.h" |
07630cea | 21 | |
b5efdb8a LP |
22 | #include "alloc-util.h" |
23 | #include "dbus-job.h" | |
07630cea | 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 LP |
29 | |
30 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, job_type, JobType); | |
31 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_state, job_state, JobState); | |
32 | ||
33 | static int property_get_unit( | |
34 | sd_bus *bus, | |
35 | const char *path, | |
36 | const char *interface, | |
37 | const char *property, | |
38 | sd_bus_message *reply, | |
ebcf1f97 LP |
39 | void *userdata, |
40 | sd_bus_error *error) { | |
ea430986 | 41 | |
68eda4bd | 42 | _cleanup_free_ char *p = NULL; |
718db961 | 43 | Job *j = userdata; |
86fbf370 | 44 | |
718db961 LP |
45 | assert(bus); |
46 | assert(reply); | |
86fbf370 LP |
47 | assert(j); |
48 | ||
cad45ba1 LP |
49 | p = unit_dbus_path(j->unit); |
50 | if (!p) | |
86fbf370 LP |
51 | return -ENOMEM; |
52 | ||
718db961 | 53 | return sd_bus_message_append(reply, "(so)", j->unit->id, p); |
86fbf370 LP |
54 | } |
55 | ||
19070062 | 56 | int bus_job_method_cancel(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
718db961 | 57 | Job *j = userdata; |
ebcf1f97 | 58 | int r; |
ea430986 | 59 | |
ea430986 | 60 | assert(message); |
718db961 | 61 | assert(j); |
86fbf370 | 62 | |
8a188de9 | 63 | r = mac_selinux_unit_access_check(j->unit, message, "stop", error); |
ebcf1f97 LP |
64 | if (r < 0) |
65 | return r; | |
66 | ||
1d22e906 | 67 | /* Access is granted to the job owner */ |
1a465207 | 68 | if (!sd_bus_track_contains(j->bus_track, sd_bus_message_get_sender(message))) { |
1d22e906 LP |
69 | |
70 | /* And for everybody else consult PolicyKit */ | |
71 | r = bus_verify_manage_units_async(j->unit->manager, message, error); | |
72 | if (r < 0) | |
73 | return r; | |
74 | if (r == 0) | |
75 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
76 | } | |
77 | ||
833f92ad | 78 | job_finish_and_invalidate(j, JOB_CANCELED, true, false); |
2cccbca4 | 79 | |
df2d202e | 80 | return sd_bus_reply_method_return(message, NULL); |
ea430986 LP |
81 | } |
82 | ||
15ea79f8 LP |
83 | int bus_job_method_get_waiting_jobs(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
84 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
85 | _cleanup_free_ Job **list = NULL; | |
86 | Job *j = userdata; | |
87 | int r, i, n; | |
88 | ||
89 | if (strstr(sd_bus_message_get_member(message), "After")) | |
90 | n = job_get_after(j, &list); | |
91 | else | |
92 | n = job_get_before(j, &list); | |
93 | if (n < 0) | |
94 | return n; | |
95 | ||
96 | r = sd_bus_message_new_method_return(message, &reply); | |
97 | if (r < 0) | |
98 | return r; | |
99 | ||
100 | r = sd_bus_message_open_container(reply, 'a', "(usssoo)"); | |
101 | if (r < 0) | |
102 | return r; | |
103 | ||
104 | for (i = 0; i < n; i ++) { | |
105 | _cleanup_free_ char *unit_path = NULL, *job_path = NULL; | |
106 | ||
107 | job_path = job_dbus_path(list[i]); | |
108 | if (!job_path) | |
109 | return -ENOMEM; | |
110 | ||
111 | unit_path = unit_dbus_path(list[i]->unit); | |
112 | if (!unit_path) | |
113 | return -ENOMEM; | |
114 | ||
115 | r = sd_bus_message_append(reply, "(usssoo)", | |
116 | list[i]->id, | |
117 | list[i]->unit->id, | |
118 | job_type_to_string(list[i]->type), | |
119 | job_state_to_string(list[i]->state), | |
120 | job_path, | |
121 | unit_path); | |
122 | if (r < 0) | |
123 | return r; | |
124 | } | |
125 | ||
126 | r = sd_bus_message_close_container(reply); | |
127 | if (r < 0) | |
128 | return r; | |
129 | ||
130 | return sd_bus_send(NULL, reply, NULL); | |
131 | } | |
132 | ||
718db961 LP |
133 | const sd_bus_vtable bus_job_vtable[] = { |
134 | SD_BUS_VTABLE_START(0), | |
283868e1 | 135 | SD_BUS_METHOD("Cancel", NULL, NULL, bus_job_method_cancel, SD_BUS_VTABLE_UNPRIVILEGED), |
15ea79f8 LP |
136 | SD_BUS_METHOD("GetAfter", NULL, "a(usssoo)", bus_job_method_get_waiting_jobs, SD_BUS_VTABLE_UNPRIVILEGED), |
137 | SD_BUS_METHOD("GetBefore", NULL, "a(usssoo)", bus_job_method_get_waiting_jobs, SD_BUS_VTABLE_UNPRIVILEGED), | |
556089dc LP |
138 | SD_BUS_PROPERTY("Id", "u", NULL, offsetof(Job, id), SD_BUS_VTABLE_PROPERTY_CONST), |
139 | SD_BUS_PROPERTY("Unit", "(so)", property_get_unit, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
140 | SD_BUS_PROPERTY("JobType", "s", property_get_type, offsetof(Job, type), SD_BUS_VTABLE_PROPERTY_CONST), | |
718db961 LP |
141 | SD_BUS_PROPERTY("State", "s", property_get_state, offsetof(Job, state), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
142 | SD_BUS_VTABLE_END | |
ea430986 | 143 | }; |
c1e1601e | 144 | |
8f8f05a9 | 145 | static int send_new_signal(sd_bus *bus, void *userdata) { |
4afd3348 | 146 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
1508e858 | 147 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 148 | Job *j = userdata; |
718db961 LP |
149 | int r; |
150 | ||
151 | assert(bus); | |
152 | assert(j); | |
c1e1601e | 153 | |
97e6a119 MS |
154 | p = job_dbus_path(j); |
155 | if (!p) | |
718db961 | 156 | return -ENOMEM; |
c1e1601e | 157 | |
718db961 LP |
158 | r = sd_bus_message_new_signal( |
159 | bus, | |
151b9b96 | 160 | &m, |
718db961 LP |
161 | "/org/freedesktop/systemd1", |
162 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 163 | "JobNew"); |
718db961 LP |
164 | if (r < 0) |
165 | return r; | |
166 | ||
167 | r = sd_bus_message_append(m, "uos", j->id, p, j->unit->id); | |
168 | if (r < 0) | |
169 | return r; | |
170 | ||
8f8f05a9 | 171 | return sd_bus_send(bus, m, NULL); |
c1e1601e LP |
172 | } |
173 | ||
8f8f05a9 | 174 | static int send_changed_signal(sd_bus *bus, void *userdata) { |
1508e858 | 175 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 176 | Job *j = userdata; |
718db961 LP |
177 | |
178 | assert(bus); | |
179 | assert(j); | |
c1e1601e | 180 | |
97e6a119 MS |
181 | p = job_dbus_path(j); |
182 | if (!p) | |
718db961 | 183 | return -ENOMEM; |
c1e1601e | 184 | |
718db961 | 185 | return sd_bus_emit_properties_changed(bus, p, "org.freedesktop.systemd1.Job", "State", NULL); |
97e6a119 MS |
186 | } |
187 | ||
188 | void bus_job_send_change_signal(Job *j) { | |
718db961 LP |
189 | int r; |
190 | ||
97e6a119 MS |
191 | assert(j); |
192 | ||
193 | if (j->in_dbus_queue) { | |
71fda00f | 194 | LIST_REMOVE(dbus_queue, j->manager->dbus_job_queue, j); |
97e6a119 MS |
195 | j->in_dbus_queue = false; |
196 | } | |
197 | ||
1a465207 | 198 | r = bus_foreach_bus(j->manager, j->bus_track, j->sent_dbus_new_signal ? send_changed_signal : send_new_signal, j); |
718db961 | 199 | if (r < 0) |
da927ba9 | 200 | log_debug_errno(r, "Failed to send job change signal for %u: %m", j->id); |
97e6a119 MS |
201 | |
202 | j->sent_dbus_new_signal = true; | |
718db961 LP |
203 | } |
204 | ||
8f8f05a9 | 205 | static int send_removed_signal(sd_bus *bus, void *userdata) { |
4afd3348 | 206 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; |
718db961 | 207 | _cleanup_free_ char *p = NULL; |
8f8f05a9 | 208 | Job *j = userdata; |
718db961 LP |
209 | int r; |
210 | ||
211 | assert(bus); | |
212 | assert(j); | |
213 | ||
214 | p = job_dbus_path(j); | |
215 | if (!p) | |
216 | return -ENOMEM; | |
c1e1601e | 217 | |
718db961 LP |
218 | r = sd_bus_message_new_signal( |
219 | bus, | |
151b9b96 | 220 | &m, |
718db961 LP |
221 | "/org/freedesktop/systemd1", |
222 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 223 | "JobRemoved"); |
718db961 LP |
224 | if (r < 0) |
225 | return r; | |
226 | ||
227 | r = sd_bus_message_append(m, "uoss", j->id, p, j->unit->id, job_result_to_string(j->result)); | |
228 | if (r < 0) | |
229 | return r; | |
230 | ||
8f8f05a9 | 231 | return sd_bus_send(bus, m, NULL); |
97e6a119 | 232 | } |
c1e1601e | 233 | |
97e6a119 | 234 | void bus_job_send_removed_signal(Job *j) { |
718db961 | 235 | int r; |
c1e1601e | 236 | |
718db961 | 237 | assert(j); |
97e6a119 MS |
238 | |
239 | if (!j->sent_dbus_new_signal) | |
240 | bus_job_send_change_signal(j); | |
241 | ||
1a465207 | 242 | r = bus_foreach_bus(j->manager, j->bus_track, send_removed_signal, j); |
718db961 | 243 | if (r < 0) |
da927ba9 | 244 | log_debug_errno(r, "Failed to send job remove signal for %u: %m", j->id); |
c1e1601e | 245 | } |
c5a97ed1 LP |
246 | |
247 | static int bus_job_track_handler(sd_bus_track *t, void *userdata) { | |
248 | Job *j = userdata; | |
249 | ||
250 | assert(t); | |
251 | assert(j); | |
252 | ||
253 | j->bus_track = sd_bus_track_unref(j->bus_track); /* make sure we aren't called again */ | |
254 | ||
255 | /* Last client dropped off the bus, maybe we should GC this now? */ | |
256 | job_add_to_gc_queue(j); | |
257 | return 0; | |
258 | } | |
259 | ||
260 | static int bus_job_allocate_bus_track(Job *j) { | |
c5a97ed1 LP |
261 | |
262 | assert(j); | |
263 | ||
264 | if (j->bus_track) | |
265 | return 0; | |
266 | ||
76d8ca22 | 267 | return sd_bus_track_new(j->unit->manager->api_bus, &j->bus_track, bus_job_track_handler, j); |
c5a97ed1 LP |
268 | } |
269 | ||
270 | int bus_job_coldplug_bus_track(Job *j) { | |
271 | int r = 0; | |
76d8ca22 | 272 | _cleanup_strv_free_ char **deserialized_clients = NULL; |
c5a97ed1 LP |
273 | |
274 | assert(j); | |
275 | ||
76d8ca22 ZJS |
276 | deserialized_clients = j->deserialized_clients; |
277 | j->deserialized_clients = NULL; | |
278 | ||
279 | if (strv_isempty(deserialized_clients)) | |
280 | return 0; | |
c5a97ed1 LP |
281 | |
282 | if (!j->manager->api_bus) | |
76d8ca22 | 283 | return 0; |
c5a97ed1 LP |
284 | |
285 | r = bus_job_allocate_bus_track(j); | |
286 | if (r < 0) | |
76d8ca22 | 287 | return r; |
c5a97ed1 | 288 | |
76d8ca22 | 289 | return bus_track_add_name_many(j->bus_track, deserialized_clients); |
c5a97ed1 LP |
290 | } |
291 | ||
292 | int bus_job_track_sender(Job *j, sd_bus_message *m) { | |
293 | int r; | |
294 | ||
295 | assert(j); | |
296 | assert(m); | |
297 | ||
298 | if (sd_bus_message_get_bus(m) != j->unit->manager->api_bus) { | |
299 | j->ref_by_private_bus = true; | |
300 | return 0; | |
301 | } | |
302 | ||
303 | r = bus_job_allocate_bus_track(j); | |
304 | if (r < 0) | |
305 | return r; | |
306 | ||
307 | return sd_bus_track_add_sender(j->bus_track, m); | |
308 | } |