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3f49d45a LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2011 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 | |
3f49d45a 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. |
3f49d45a | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
3f49d45a LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
a185c5aa LP |
22 | #include <errno.h> |
23 | #include <string.h> | |
98a28fef | 24 | #include <unistd.h> |
7f7bb946 | 25 | #include <pwd.h> |
a185c5aa | 26 | |
3f49d45a LP |
27 | #include "logind.h" |
28 | #include "dbus-common.h" | |
98a28fef | 29 | #include "strv.h" |
49e942b2 | 30 | #include "mkdir.h" |
9eb977db | 31 | #include "path-util.h" |
7f7bb946 | 32 | #include "polkit.h" |
55af3897 | 33 | #include "special.h" |
877d54e9 LP |
34 | #include "systemd/sd-id128.h" |
35 | #include "systemd/sd-messages.h" | |
3f49d45a LP |
36 | |
37 | #define BUS_MANAGER_INTERFACE \ | |
38 | " <interface name=\"org.freedesktop.login1.Manager\">\n" \ | |
bef422ae | 39 | " <method name=\"GetSession\">\n" \ |
3f49d45a | 40 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 41 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 42 | " </method>\n" \ |
c4aa65e7 LP |
43 | " <method name=\"GetSessionByPID\">\n" \ |
44 | " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ | |
45 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ | |
46 | " </method>\n" \ | |
3f49d45a | 47 | " <method name=\"GetUser\">\n" \ |
bef422ae | 48 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
49 | " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ |
50 | " </method>\n" \ | |
bef422ae | 51 | " <method name=\"GetSeat\">\n" \ |
3f49d45a | 52 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 53 | " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 54 | " </method>\n" \ |
bef422ae | 55 | " <method name=\"ListSessions\">\n" \ |
e1c9c2d5 | 56 | " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \ |
3f49d45a LP |
57 | " </method>\n" \ |
58 | " <method name=\"ListUsers\">\n" \ | |
59 | " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \ | |
60 | " </method>\n" \ | |
bef422ae LP |
61 | " <method name=\"ListSeats\">\n" \ |
62 | " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \ | |
3f49d45a LP |
63 | " </method>\n" \ |
64 | " <method name=\"CreateSession\">\n" \ | |
65 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
66 | " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \ | |
4d6d6518 | 67 | " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 68 | " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \ |
55efac6c | 69 | " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 70 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ |
4d6d6518 | 71 | " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
72 | " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \ |
73 | " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \ | |
74 | " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \ | |
75 | " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \ | |
76 | " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \ | |
77 | " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
78 | " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
98a28fef | 79 | " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \ |
3f49d45a LP |
80 | " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \ |
81 | " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \ | |
98a28fef | 82 | " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 83 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
bbc73283 LP |
84 | " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ |
85 | " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ | |
77085881 | 86 | " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \ |
3f49d45a | 87 | " </method>\n" \ |
75c8e3cf LP |
88 | " <method name=\"ReleaseSession\">\n" \ |
89 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
90 | " </method>\n" \ | |
a185c5aa LP |
91 | " <method name=\"ActivateSession\">\n" \ |
92 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
93 | " </method>\n" \ | |
84c3361e LP |
94 | " <method name=\"ActivateSessionOnSeat\">\n" \ |
95 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
96 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
97 | " </method>\n" \ | |
88e3dc90 LP |
98 | " <method name=\"LockSession\">\n" \ |
99 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
100 | " </method>\n" \ | |
101 | " <method name=\"UnlockSession\">\n" \ | |
102 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
103 | " </method>\n" \ | |
fa2b196d | 104 | " <method name=\"LockSessions\"/>\n" \ |
de07ab16 LP |
105 | " <method name=\"KillSession\">\n" \ |
106 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
cae5846b LP |
107 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ |
108 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ | |
de07ab16 LP |
109 | " </method>\n" \ |
110 | " <method name=\"KillUser\">\n" \ | |
111 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
cae5846b | 112 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ |
de07ab16 | 113 | " </method>\n" \ |
3f49d45a LP |
114 | " <method name=\"TerminateSession\">\n" \ |
115 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
116 | " </method>\n" \ | |
117 | " <method name=\"TerminateUser\">\n" \ | |
bef422ae | 118 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
119 | " </method>\n" \ |
120 | " <method name=\"TerminateSeat\">\n" \ | |
121 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
122 | " </method>\n" \ | |
7f7bb946 LP |
123 | " <method name=\"SetUserLinger\">\n" \ |
124 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
125 | " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \ | |
126 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
127 | " </method>\n" \ | |
47a26690 LP |
128 | " <method name=\"AttachDevice\">\n" \ |
129 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
130 | " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \ | |
131 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
132 | " </method>\n" \ | |
b668e064 LP |
133 | " <method name=\"FlushDevices\">\n" \ |
134 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
135 | " </method>\n" \ | |
55af3897 LP |
136 | " <method name=\"PowerOff\">\n" \ |
137 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
138 | " </method>\n" \ | |
139 | " <method name=\"Reboot\">\n" \ | |
140 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
141 | " </method>\n" \ | |
d889a206 LP |
142 | " <method name=\"Suspend\">\n" \ |
143 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
144 | " </method>\n" \ | |
145 | " <method name=\"Hibernate\">\n" \ | |
146 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
147 | " </method>\n" \ | |
6524990f LP |
148 | " <method name=\"HybridSleep\">\n" \ |
149 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
150 | " </method>\n" \ | |
89f13440 LP |
151 | " <method name=\"CanPowerOff\">\n" \ |
152 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
153 | " </method>\n" \ | |
154 | " <method name=\"CanReboot\">\n" \ | |
155 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
156 | " </method>\n" \ | |
d889a206 LP |
157 | " <method name=\"CanSuspend\">\n" \ |
158 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
159 | " </method>\n" \ | |
160 | " <method name=\"CanHibernate\">\n" \ | |
161 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
162 | " </method>\n" \ | |
6524990f LP |
163 | " <method name=\"CanHybridSleep\">\n" \ |
164 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
165 | " </method>\n" \ | |
f8e2fb7b LP |
166 | " <method name=\"Inhibit\">\n" \ |
167 | " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \ | |
168 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ | |
169 | " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \ | |
eecd1362 | 170 | " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
f8e2fb7b LP |
171 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
172 | " </method>\n" \ | |
173 | " <method name=\"ListInhibitors\">\n" \ | |
eecd1362 | 174 | " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \ |
f8e2fb7b | 175 | " </method>\n" \ |
3f49d45a LP |
176 | " <signal name=\"SessionNew\">\n" \ |
177 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
178 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
179 | " </signal>\n" \ | |
180 | " <signal name=\"SessionRemoved\">\n" \ | |
181 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
182 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
183 | " </signal>\n" \ | |
184 | " <signal name=\"UserNew\">\n" \ | |
185 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
186 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
187 | " </signal>\n" \ | |
188 | " <signal name=\"UserRemoved\">\n" \ | |
189 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
190 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
191 | " </signal>\n" \ | |
192 | " <signal name=\"SeatNew\">\n" \ | |
193 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
194 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
195 | " </signal>\n" \ | |
196 | " <signal name=\"SeatRemoved\">\n" \ | |
197 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
198 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
199 | " </signal>\n" \ | |
ee17c928 | 200 | " <signal name=\"Resumed\"/>\n" \ |
eecd1362 LP |
201 | " <signal name=\"PrepareForShutdown\">\n" \ |
202 | " <arg name=\"active\" type=\"b\"/>\n" \ | |
203 | " </signal>\n" \ | |
d889a206 LP |
204 | " <signal name=\"PrepareForSleep\">\n" \ |
205 | " <arg name=\"active\" type=\"b\"/>\n" \ | |
206 | " </signal>\n" \ | |
3f49d45a LP |
207 | " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \ |
208 | " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \ | |
209 | " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \ | |
210 | " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \ | |
211 | " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \ | |
212 | " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \ | |
213 | " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \ | |
a185c5aa LP |
214 | " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ |
215 | " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ | |
216 | " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ | |
eecd1362 LP |
217 | " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \ |
218 | " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \ | |
219 | " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \ | |
069cfc85 | 220 | " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \ |
8e7fd6ad LP |
221 | " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \ |
222 | " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \ | |
069cfc85 | 223 | " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \ |
23406ce5 LP |
224 | " <property name=\"IdleAction\" type=\"s\" access=\"read\"/>\n" \ |
225 | " <property name=\"IdleActionUSec\" type=\"t\" access=\"read\"/>\n" \ | |
5e4a79da LP |
226 | " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \ |
227 | " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \ | |
3f49d45a LP |
228 | " </interface>\n" |
229 | ||
230 | #define INTROSPECTION_BEGIN \ | |
231 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ | |
232 | "<node>\n" \ | |
233 | BUS_MANAGER_INTERFACE \ | |
234 | BUS_PROPERTIES_INTERFACE \ | |
235 | BUS_PEER_INTERFACE \ | |
236 | BUS_INTROSPECTABLE_INTERFACE | |
237 | ||
238 | #define INTROSPECTION_END \ | |
239 | "</node>\n" | |
240 | ||
241 | #define INTERFACES_LIST \ | |
242 | BUS_GENERIC_INTERFACES_LIST \ | |
243 | "org.freedesktop.login1.Manager\0" | |
244 | ||
a185c5aa LP |
245 | static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { |
246 | Manager *m = data; | |
77527da0 | 247 | dbus_bool_t b; |
a185c5aa LP |
248 | |
249 | assert(i); | |
250 | assert(property); | |
251 | assert(m); | |
252 | ||
77527da0 | 253 | b = manager_get_idle_hint(m, NULL) > 0; |
a185c5aa LP |
254 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) |
255 | return -ENOMEM; | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { | |
261 | Manager *m = data; | |
262 | dual_timestamp t; | |
263 | uint64_t u; | |
264 | ||
265 | assert(i); | |
266 | assert(property); | |
267 | assert(m); | |
268 | ||
269 | manager_get_idle_hint(m, &t); | |
270 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; | |
271 | ||
272 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) | |
273 | return -ENOMEM; | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
f8e2fb7b LP |
278 | static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) { |
279 | Manager *m = data; | |
280 | InhibitWhat w; | |
281 | const char *p; | |
282 | ||
eecd1362 | 283 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b LP |
284 | p = inhibit_what_to_string(w); |
285 | ||
286 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p)) | |
287 | return -ENOMEM; | |
288 | ||
289 | return 0; | |
290 | } | |
291 | ||
5e4a79da LP |
292 | static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) { |
293 | Manager *m = data; | |
294 | dbus_bool_t b; | |
295 | ||
296 | assert(i); | |
297 | assert(property); | |
298 | ||
299 | if (streq(property, "PreparingForShutdown")) | |
300 | b = !!(m->delayed_what & INHIBIT_SHUTDOWN); | |
301 | else | |
302 | b = !!(m->delayed_what & INHIBIT_SLEEP); | |
303 | ||
304 | dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b); | |
305 | return 0; | |
306 | } | |
307 | ||
98a28fef LP |
308 | static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) { |
309 | Session *session = NULL; | |
310 | User *user = NULL; | |
55efac6c | 311 | const char *type, *class, *seat, *tty, *display, *remote_user, *remote_host, *service; |
98a28fef | 312 | uint32_t uid, leader, audit_id = 0; |
77085881 | 313 | dbus_bool_t remote, kill_processes, exists; |
98a28fef LP |
314 | char **controllers = NULL, **reset_controllers = NULL; |
315 | SessionType t; | |
55efac6c | 316 | SessionClass c; |
98a28fef LP |
317 | Seat *s; |
318 | DBusMessageIter iter; | |
319 | int r; | |
07714753 | 320 | char *id = NULL, *p; |
4d6d6518 | 321 | uint32_t vtnr = 0; |
932e3ee7 | 322 | int fifo_fd = -1; |
98a28fef LP |
323 | DBusMessage *reply = NULL; |
324 | bool b; | |
325 | ||
326 | assert(m); | |
327 | assert(message); | |
328 | assert(_reply); | |
329 | ||
330 | if (!dbus_message_iter_init(message, &iter) || | |
331 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
332 | return -EINVAL; | |
333 | ||
334 | dbus_message_iter_get_basic(&iter, &uid); | |
335 | ||
336 | if (!dbus_message_iter_next(&iter) || | |
337 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
338 | return -EINVAL; | |
339 | ||
340 | dbus_message_iter_get_basic(&iter, &leader); | |
341 | ||
342 | if (leader <= 0 || | |
343 | !dbus_message_iter_next(&iter) || | |
344 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
345 | return -EINVAL; | |
346 | ||
347 | dbus_message_iter_get_basic(&iter, &service); | |
348 | ||
349 | if (!dbus_message_iter_next(&iter) || | |
350 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
351 | return -EINVAL; | |
352 | ||
353 | dbus_message_iter_get_basic(&iter, &type); | |
354 | t = session_type_from_string(type); | |
355 | ||
356 | if (t < 0 || | |
357 | !dbus_message_iter_next(&iter) || | |
358 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
359 | return -EINVAL; | |
360 | ||
55efac6c LP |
361 | dbus_message_iter_get_basic(&iter, &class); |
362 | if (isempty(class)) | |
363 | c = SESSION_USER; | |
364 | else | |
365 | c = session_class_from_string(class); | |
366 | ||
367 | if (c < 0 || | |
368 | !dbus_message_iter_next(&iter) || | |
369 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
370 | return -EINVAL; | |
371 | ||
98a28fef LP |
372 | dbus_message_iter_get_basic(&iter, &seat); |
373 | ||
374 | if (isempty(seat)) | |
375 | s = NULL; | |
376 | else { | |
377 | s = hashmap_get(m->seats, seat); | |
378 | if (!s) | |
379 | return -ENOENT; | |
380 | } | |
381 | ||
4d6d6518 LP |
382 | if (!dbus_message_iter_next(&iter) || |
383 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
384 | return -EINVAL; | |
385 | ||
386 | dbus_message_iter_get_basic(&iter, &vtnr); | |
387 | ||
98a28fef LP |
388 | if (!dbus_message_iter_next(&iter) || |
389 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
390 | return -EINVAL; | |
391 | ||
392 | dbus_message_iter_get_basic(&iter, &tty); | |
393 | ||
394 | if (tty_is_vc(tty)) { | |
4d6d6518 | 395 | int v; |
98a28fef LP |
396 | |
397 | if (!s) | |
398 | s = m->vtconsole; | |
399 | else if (s != m->vtconsole) | |
400 | return -EINVAL; | |
401 | ||
4d6d6518 LP |
402 | v = vtnr_from_tty(tty); |
403 | ||
404 | if (v <= 0) | |
405 | return v < 0 ? v : -EINVAL; | |
98a28fef LP |
406 | |
407 | if (vtnr <= 0) | |
4d6d6518 LP |
408 | vtnr = (uint32_t) v; |
409 | else if (vtnr != (uint32_t) v) | |
410 | return -EINVAL; | |
d1122ad5 LP |
411 | } else if (tty_is_console(tty)) { |
412 | ||
413 | if (!s) | |
414 | s = m->vtconsole; | |
415 | else if (s != m->vtconsole) | |
416 | return -EINVAL; | |
417 | ||
418 | if (vtnr != 0) | |
419 | return -EINVAL; | |
98a28fef | 420 | |
978cf3c7 | 421 | } |
98a28fef | 422 | |
4d6d6518 | 423 | if (s) { |
addedec4 | 424 | if (seat_can_multi_session(s)) { |
d1122ad5 | 425 | if (vtnr > 63) |
4d6d6518 LP |
426 | return -EINVAL; |
427 | } else { | |
d1122ad5 | 428 | if (vtnr != 0) |
4d6d6518 LP |
429 | return -EINVAL; |
430 | } | |
431 | } | |
432 | ||
98a28fef LP |
433 | if (!dbus_message_iter_next(&iter) || |
434 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
435 | return -EINVAL; | |
436 | ||
437 | dbus_message_iter_get_basic(&iter, &display); | |
438 | ||
439 | if (!dbus_message_iter_next(&iter) || | |
440 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) | |
441 | return -EINVAL; | |
442 | ||
443 | dbus_message_iter_get_basic(&iter, &remote); | |
444 | ||
445 | if (!dbus_message_iter_next(&iter) || | |
446 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
447 | return -EINVAL; | |
448 | ||
449 | dbus_message_iter_get_basic(&iter, &remote_user); | |
450 | ||
451 | if (!dbus_message_iter_next(&iter) || | |
452 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
453 | return -EINVAL; | |
454 | ||
455 | dbus_message_iter_get_basic(&iter, &remote_host); | |
456 | ||
457 | if (!dbus_message_iter_next(&iter) || | |
458 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
459 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) | |
460 | return -EINVAL; | |
461 | ||
462 | r = bus_parse_strv_iter(&iter, &controllers); | |
463 | if (r < 0) | |
464 | return -EINVAL; | |
465 | ||
25d93491 LP |
466 | if (strv_contains(controllers, "systemd") || |
467 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
468 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
469 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) { | |
470 | r = -EINVAL; | |
471 | goto fail; | |
472 | } | |
473 | ||
474 | r = bus_parse_strv_iter(&iter, &reset_controllers); | |
475 | if (r < 0) | |
476 | goto fail; | |
477 | ||
25d93491 LP |
478 | if (strv_contains(reset_controllers, "systemd") || |
479 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
480 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { |
481 | r = -EINVAL; | |
482 | goto fail; | |
483 | } | |
484 | ||
485 | dbus_message_iter_get_basic(&iter, &kill_processes); | |
486 | ||
487 | r = manager_add_user_by_uid(m, uid, &user); | |
488 | if (r < 0) | |
489 | goto fail; | |
490 | ||
491 | audit_session_from_pid(leader, &audit_id); | |
492 | ||
07714753 | 493 | if (audit_id > 0) { |
98a28fef | 494 | asprintf(&id, "%lu", (unsigned long) audit_id); |
98a28fef | 495 | |
07714753 LP |
496 | if (!id) { |
497 | r = -ENOMEM; | |
498 | goto fail; | |
499 | } | |
98a28fef | 500 | |
21c390cc LP |
501 | session = hashmap_get(m->sessions, id); |
502 | ||
503 | if (session) { | |
8ea913b2 | 504 | free(id); |
21c390cc | 505 | |
932e3ee7 LP |
506 | fifo_fd = session_create_fifo(session); |
507 | if (fifo_fd < 0) { | |
508 | r = fifo_fd; | |
509 | goto fail; | |
510 | } | |
511 | ||
21c390cc LP |
512 | /* Session already exists, client is probably |
513 | * something like "su" which changes uid but | |
514 | * is still the same audit session */ | |
515 | ||
516 | reply = dbus_message_new_method_return(message); | |
517 | if (!reply) { | |
518 | r = -ENOMEM; | |
519 | goto fail; | |
520 | } | |
521 | ||
21c390cc LP |
522 | p = session_bus_path(session); |
523 | if (!p) { | |
524 | r = -ENOMEM; | |
525 | goto fail; | |
526 | } | |
527 | ||
3887b5ab LP |
528 | seat = session->seat ? session->seat->id : ""; |
529 | vtnr = session->vtnr; | |
77085881 LP |
530 | exists = true; |
531 | ||
21c390cc LP |
532 | b = dbus_message_append_args( |
533 | reply, | |
534 | DBUS_TYPE_STRING, &session->id, | |
535 | DBUS_TYPE_OBJECT_PATH, &p, | |
536 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 537 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
3887b5ab LP |
538 | DBUS_TYPE_STRING, &seat, |
539 | DBUS_TYPE_UINT32, &vtnr, | |
77085881 | 540 | DBUS_TYPE_BOOLEAN, &exists, |
21c390cc LP |
541 | DBUS_TYPE_INVALID); |
542 | free(p); | |
543 | ||
544 | if (!b) { | |
545 | r = -ENOMEM; | |
546 | goto fail; | |
547 | } | |
548 | ||
932e3ee7 | 549 | close_nointr_nofail(fifo_fd); |
21c390cc LP |
550 | *_reply = reply; |
551 | ||
8ea913b2 LP |
552 | strv_free(controllers); |
553 | strv_free(reset_controllers); | |
554 | ||
21c390cc | 555 | return 0; |
07714753 LP |
556 | } |
557 | ||
558 | } else { | |
559 | do { | |
560 | free(id); | |
f8e2fb7b | 561 | id = NULL; |
07714753 | 562 | |
f8e2fb7b | 563 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { |
07714753 LP |
564 | r = -ENOMEM; |
565 | goto fail; | |
566 | } | |
567 | ||
568 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
569 | } |
570 | ||
571 | r = manager_add_session(m, user, id, &session); | |
572 | free(id); | |
573 | if (r < 0) | |
574 | goto fail; | |
575 | ||
576 | session->leader = leader; | |
577 | session->audit_id = audit_id; | |
578 | session->type = t; | |
55efac6c | 579 | session->class = c; |
98a28fef LP |
580 | session->remote = remote; |
581 | session->controllers = controllers; | |
582 | session->reset_controllers = reset_controllers; | |
583 | session->kill_processes = kill_processes; | |
584 | session->vtnr = vtnr; | |
585 | ||
586 | controllers = reset_controllers = NULL; | |
587 | ||
588 | if (!isempty(tty)) { | |
589 | session->tty = strdup(tty); | |
590 | if (!session->tty) { | |
591 | r = -ENOMEM; | |
592 | goto fail; | |
593 | } | |
594 | } | |
595 | ||
596 | if (!isempty(display)) { | |
597 | session->display = strdup(display); | |
598 | if (!session->display) { | |
599 | r = -ENOMEM; | |
600 | goto fail; | |
601 | } | |
602 | } | |
603 | ||
604 | if (!isempty(remote_user)) { | |
605 | session->remote_user = strdup(remote_user); | |
606 | if (!session->remote_user) { | |
607 | r = -ENOMEM; | |
608 | goto fail; | |
609 | } | |
610 | } | |
611 | ||
612 | if (!isempty(remote_host)) { | |
613 | session->remote_host = strdup(remote_host); | |
614 | if (!session->remote_host) { | |
615 | r = -ENOMEM; | |
616 | goto fail; | |
617 | } | |
618 | } | |
619 | ||
620 | if (!isempty(service)) { | |
621 | session->service = strdup(service); | |
622 | if (!session->service) { | |
623 | r = -ENOMEM; | |
624 | goto fail; | |
625 | } | |
626 | } | |
627 | ||
932e3ee7 LP |
628 | fifo_fd = session_create_fifo(session); |
629 | if (fifo_fd < 0) { | |
630 | r = fifo_fd; | |
98a28fef LP |
631 | goto fail; |
632 | } | |
633 | ||
98a28fef LP |
634 | if (s) { |
635 | r = seat_attach_session(s, session); | |
636 | if (r < 0) | |
637 | goto fail; | |
638 | } | |
639 | ||
640 | r = session_start(session); | |
641 | if (r < 0) | |
642 | goto fail; | |
643 | ||
644 | reply = dbus_message_new_method_return(message); | |
645 | if (!reply) { | |
646 | r = -ENOMEM; | |
647 | goto fail; | |
648 | } | |
649 | ||
650 | p = session_bus_path(session); | |
651 | if (!p) { | |
652 | r = -ENOMEM; | |
653 | goto fail; | |
654 | } | |
655 | ||
bbc73283 | 656 | seat = s ? s->id : ""; |
77085881 | 657 | exists = false; |
98a28fef LP |
658 | b = dbus_message_append_args( |
659 | reply, | |
660 | DBUS_TYPE_STRING, &session->id, | |
661 | DBUS_TYPE_OBJECT_PATH, &p, | |
662 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 663 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
bbc73283 LP |
664 | DBUS_TYPE_STRING, &seat, |
665 | DBUS_TYPE_UINT32, &vtnr, | |
77085881 | 666 | DBUS_TYPE_BOOLEAN, &exists, |
98a28fef LP |
667 | DBUS_TYPE_INVALID); |
668 | free(p); | |
669 | ||
670 | if (!b) { | |
671 | r = -ENOMEM; | |
672 | goto fail; | |
673 | } | |
674 | ||
932e3ee7 | 675 | close_nointr_nofail(fifo_fd); |
98a28fef LP |
676 | *_reply = reply; |
677 | ||
678 | return 0; | |
679 | ||
680 | fail: | |
681 | strv_free(controllers); | |
682 | strv_free(reset_controllers); | |
683 | ||
684 | if (session) | |
685 | session_add_to_gc_queue(session); | |
686 | ||
687 | if (user) | |
688 | user_add_to_gc_queue(user); | |
689 | ||
932e3ee7 LP |
690 | if (fifo_fd >= 0) |
691 | close_nointr_nofail(fifo_fd); | |
98a28fef LP |
692 | |
693 | if (reply) | |
694 | dbus_message_unref(reply); | |
695 | ||
696 | return r; | |
697 | } | |
698 | ||
f8e2fb7b LP |
699 | static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessage *message, DBusError *error, DBusMessage **_reply) { |
700 | Inhibitor *i = NULL; | |
701 | char *id = NULL; | |
eecd1362 | 702 | const char *who, *why, *what, *mode; |
f8e2fb7b LP |
703 | pid_t pid; |
704 | InhibitWhat w; | |
eecd1362 | 705 | InhibitMode mm; |
f8e2fb7b LP |
706 | unsigned long ul; |
707 | int r, fifo_fd = -1; | |
708 | DBusMessage *reply = NULL; | |
709 | ||
710 | assert(m); | |
711 | assert(connection); | |
712 | assert(message); | |
713 | assert(error); | |
714 | assert(_reply); | |
715 | ||
716 | if (!dbus_message_get_args( | |
717 | message, | |
718 | error, | |
719 | DBUS_TYPE_STRING, &what, | |
720 | DBUS_TYPE_STRING, &who, | |
721 | DBUS_TYPE_STRING, &why, | |
eecd1362 | 722 | DBUS_TYPE_STRING, &mode, |
f8e2fb7b LP |
723 | DBUS_TYPE_INVALID)) { |
724 | r = -EIO; | |
725 | goto fail; | |
726 | } | |
727 | ||
728 | w = inhibit_what_from_string(what); | |
729 | if (w <= 0) { | |
730 | r = -EINVAL; | |
731 | goto fail; | |
732 | } | |
733 | ||
eecd1362 LP |
734 | mm = inhibit_mode_from_string(mode); |
735 | if (mm < 0) { | |
736 | r = -EINVAL; | |
737 | goto fail; | |
738 | } | |
739 | ||
beaafb2e LP |
740 | /* Delay is only supported for shutdown/sleep */ |
741 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { | |
742 | r = -EINVAL; | |
743 | goto fail; | |
744 | } | |
745 | ||
eecd1362 | 746 | r = verify_polkit(connection, message, |
8e7fd6ad LP |
747 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : |
748 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
749 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
750 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
751 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
752 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
753 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
b14eda96 | 754 | false, NULL, error); |
f8e2fb7b LP |
755 | if (r < 0) |
756 | goto fail; | |
757 | ||
758 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); | |
759 | if (ul == (unsigned long) -1) { | |
760 | r = -EIO; | |
761 | goto fail; | |
762 | } | |
763 | ||
764 | pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); | |
765 | if (pid <= 0) { | |
766 | r = -EIO; | |
767 | goto fail; | |
768 | } | |
769 | ||
770 | do { | |
771 | free(id); | |
772 | id = NULL; | |
773 | ||
774 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { | |
775 | r = -ENOMEM; | |
776 | goto fail; | |
777 | } | |
778 | } while (hashmap_get(m->inhibitors, id)); | |
779 | ||
780 | r = manager_add_inhibitor(m, id, &i); | |
781 | free(id); | |
782 | ||
783 | if (r < 0) | |
784 | goto fail; | |
785 | ||
786 | i->what = w; | |
eecd1362 | 787 | i->mode = mm; |
f8e2fb7b LP |
788 | i->pid = pid; |
789 | i->uid = (uid_t) ul; | |
790 | i->why = strdup(why); | |
791 | i->who = strdup(who); | |
792 | ||
793 | if (!i->why || !i->who) { | |
794 | r = -ENOMEM; | |
795 | goto fail; | |
796 | } | |
797 | ||
798 | fifo_fd = inhibitor_create_fifo(i); | |
799 | if (fifo_fd < 0) { | |
800 | r = fifo_fd; | |
801 | goto fail; | |
802 | } | |
803 | ||
804 | reply = dbus_message_new_method_return(message); | |
805 | if (!reply) { | |
806 | r = -ENOMEM; | |
807 | goto fail; | |
808 | } | |
809 | ||
810 | if (!dbus_message_append_args( | |
811 | reply, | |
812 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
813 | DBUS_TYPE_INVALID)) { | |
814 | r = -ENOMEM; | |
815 | goto fail; | |
816 | } | |
817 | ||
818 | close_nointr_nofail(fifo_fd); | |
819 | *_reply = reply; | |
820 | ||
821 | inhibitor_start(i); | |
822 | ||
823 | return 0; | |
824 | ||
825 | fail: | |
826 | if (i) | |
827 | inhibitor_free(i); | |
828 | ||
829 | if (fifo_fd >= 0) | |
830 | close_nointr_nofail(fifo_fd); | |
831 | ||
832 | if (reply) | |
833 | dbus_message_unref(reply); | |
834 | ||
835 | return r; | |
836 | } | |
837 | ||
2eb916cd | 838 | static int trigger_device(Manager *m, struct udev_device *d) { |
b668e064 LP |
839 | struct udev_enumerate *e; |
840 | struct udev_list_entry *first, *item; | |
841 | int r; | |
842 | ||
843 | assert(m); | |
844 | ||
845 | e = udev_enumerate_new(m->udev); | |
846 | if (!e) { | |
847 | r = -ENOMEM; | |
848 | goto finish; | |
849 | } | |
850 | ||
2eb916cd LP |
851 | if (d) { |
852 | if (udev_enumerate_add_match_parent(e, d) < 0) { | |
853 | r = -EIO; | |
854 | goto finish; | |
855 | } | |
856 | } | |
857 | ||
b668e064 LP |
858 | if (udev_enumerate_scan_devices(e) < 0) { |
859 | r = -EIO; | |
860 | goto finish; | |
861 | } | |
862 | ||
863 | first = udev_enumerate_get_list_entry(e); | |
864 | udev_list_entry_foreach(item, first) { | |
865 | char *t; | |
866 | const char *p; | |
867 | ||
868 | p = udev_list_entry_get_name(item); | |
869 | ||
b668e064 LP |
870 | t = strappend(p, "/uevent"); |
871 | if (!t) { | |
872 | r = -ENOMEM; | |
873 | goto finish; | |
874 | } | |
875 | ||
876 | write_one_line_file(t, "change"); | |
877 | free(t); | |
878 | } | |
879 | ||
880 | r = 0; | |
881 | ||
882 | finish: | |
883 | if (e) | |
884 | udev_enumerate_unref(e); | |
885 | ||
886 | return r; | |
887 | } | |
888 | ||
47a26690 LP |
889 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
890 | struct udev_device *d; | |
891 | char *rule = NULL, *file = NULL; | |
c28fa3d3 | 892 | const char *id_for_seat; |
47a26690 LP |
893 | int r; |
894 | ||
895 | assert(m); | |
896 | assert(seat); | |
897 | assert(sysfs); | |
898 | ||
899 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
900 | if (!d) | |
901 | return -ENODEV; | |
902 | ||
309c2a2c | 903 | if (!udev_device_has_tag(d, "seat")) { |
47a26690 LP |
904 | r = -ENODEV; |
905 | goto finish; | |
906 | } | |
907 | ||
c28fa3d3 LP |
908 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
909 | if (!id_for_seat) { | |
47a26690 LP |
910 | r = -ENODEV; |
911 | goto finish; | |
912 | } | |
913 | ||
c28fa3d3 | 914 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { |
47a26690 LP |
915 | r = -ENOMEM; |
916 | goto finish; | |
917 | } | |
918 | ||
c28fa3d3 | 919 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { |
47a26690 LP |
920 | r = -ENOMEM; |
921 | goto finish; | |
922 | } | |
923 | ||
d2e54fae | 924 | mkdir_p_label("/etc/udev/rules.d", 0755); |
b5ef5549 | 925 | r = write_one_line_file_atomic(file, rule); |
a0a0c7f1 LP |
926 | if (r < 0) |
927 | goto finish; | |
928 | ||
2eb916cd | 929 | r = trigger_device(m, d); |
47a26690 LP |
930 | |
931 | finish: | |
932 | free(rule); | |
933 | free(file); | |
934 | ||
935 | if (d) | |
936 | udev_device_unref(d); | |
937 | ||
938 | return r; | |
939 | } | |
940 | ||
b668e064 LP |
941 | static int flush_devices(Manager *m) { |
942 | DIR *d; | |
943 | ||
944 | assert(m); | |
945 | ||
946 | d = opendir("/etc/udev/rules.d"); | |
947 | if (!d) { | |
948 | if (errno != ENOENT) | |
949 | log_warning("Failed to open /etc/udev/rules.d: %m"); | |
950 | } else { | |
951 | struct dirent *de; | |
952 | ||
953 | while ((de = readdir(d))) { | |
954 | ||
955 | if (!dirent_is_file(de)) | |
956 | continue; | |
957 | ||
958 | if (!startswith(de->d_name, "72-seat-")) | |
959 | continue; | |
960 | ||
961 | if (!endswith(de->d_name, ".rules")) | |
962 | continue; | |
963 | ||
964 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
965 | log_warning("Failed to unlink %s: %m", de->d_name); | |
966 | } | |
967 | ||
968 | closedir(d); | |
969 | } | |
970 | ||
971 | return trigger_device(m, NULL); | |
972 | } | |
973 | ||
89f13440 | 974 | static int have_multiple_sessions( |
89f13440 | 975 | Manager *m, |
409133be | 976 | uid_t uid) { |
89f13440 | 977 | |
2154761f MS |
978 | Session *session; |
979 | Iterator i; | |
89f13440 LP |
980 | |
981 | assert(m); | |
982 | ||
1ca04b87 LP |
983 | /* Check for other users' sessions. Greeter sessions do not |
984 | * count, and non-login sessions do not count either. */ | |
2154761f | 985 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 LP |
986 | if (session->class == SESSION_USER && |
987 | (session->type == SESSION_TTY || session->type == SESSION_X11) && | |
988 | session->user->uid != uid) | |
2154761f | 989 | return true; |
89f13440 LP |
990 | |
991 | return false; | |
992 | } | |
993 | ||
ee17c928 | 994 | static int send_start_unit(Manager *m, const char *unit_name, bool send_resumed, DBusError *error) { |
af9792ac LP |
995 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
996 | const char *mode = "replace", *p; | |
997 | int r; | |
998 | char *c; | |
eecd1362 | 999 | |
af9792ac | 1000 | assert(m); |
d889a206 | 1001 | assert(unit_name); |
eecd1362 | 1002 | |
af9792ac LP |
1003 | r = bus_method_call_with_reply( |
1004 | m->bus, | |
eecd1362 LP |
1005 | "org.freedesktop.systemd1", |
1006 | "/org/freedesktop/systemd1", | |
1007 | "org.freedesktop.systemd1.Manager", | |
b9c26b41 | 1008 | "StartUnit", |
af9792ac LP |
1009 | &reply, |
1010 | error, | |
b9c26b41 SP |
1011 | DBUS_TYPE_STRING, &unit_name, |
1012 | DBUS_TYPE_STRING, &mode, | |
1013 | DBUS_TYPE_INVALID); | |
af9792ac LP |
1014 | if (r < 0) |
1015 | return r; | |
1016 | ||
1017 | if (!dbus_message_get_args( | |
1018 | reply, | |
1019 | error, | |
1020 | DBUS_TYPE_OBJECT_PATH, &p, | |
1021 | DBUS_TYPE_INVALID)) | |
1022 | return -EINVAL; | |
1023 | ||
1024 | c = strdup(p); | |
1025 | if (!c) | |
1026 | return -ENOMEM; | |
1027 | ||
1028 | free(m->action_job); | |
1029 | m->action_job = c; | |
ee17c928 | 1030 | m->send_resumed_after_action_job = send_resumed; |
af9792ac LP |
1031 | |
1032 | return 0; | |
eecd1362 LP |
1033 | } |
1034 | ||
d889a206 LP |
1035 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1036 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1037 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1038 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1039 | }; | |
1040 | ||
eecd1362 | 1041 | dbus_bool_t active = _active; |
ee17c928 | 1042 | _cleanup_dbus_message_unref_ DBusMessage *message = NULL; |
eecd1362 LP |
1043 | |
1044 | assert(m); | |
d889a206 LP |
1045 | assert(w >= 0); |
1046 | assert(w < _INHIBIT_WHAT_MAX); | |
1047 | assert(signal_name[w]); | |
eecd1362 | 1048 | |
d889a206 | 1049 | message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); |
eecd1362 LP |
1050 | if (!message) |
1051 | return -ENOMEM; | |
1052 | ||
1053 | if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || | |
1054 | !dbus_connection_send(m->bus, message, NULL)) | |
ee17c928 | 1055 | return -ENOMEM; |
eecd1362 | 1056 | |
ee17c928 | 1057 | return 0; |
eecd1362 LP |
1058 | } |
1059 | ||
d889a206 | 1060 | static int delay_shutdown_or_sleep(Manager *m, InhibitWhat w, const char *unit_name) { |
eecd1362 | 1061 | assert(m); |
d889a206 LP |
1062 | assert(w >= 0); |
1063 | assert(w < _INHIBIT_WHAT_MAX); | |
eecd1362 | 1064 | |
d889a206 LP |
1065 | /* Tell everybody to prepare for shutdown/sleep */ |
1066 | send_prepare_for(m, w, true); | |
eecd1362 | 1067 | |
d889a206 LP |
1068 | /* Update timestamp for timeout */ |
1069 | if (!m->delayed_unit) | |
1070 | m->delayed_timestamp = now(CLOCK_MONOTONIC); | |
eecd1362 LP |
1071 | |
1072 | /* Remember what we want to do, possibly overriding what kind | |
d889a206 LP |
1073 | * of unit we previously queued. */ |
1074 | m->delayed_unit = unit_name; | |
1075 | m->delayed_what = w; | |
1076 | ||
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | static int bus_manager_can_shutdown_or_sleep( | |
1081 | Manager *m, | |
1082 | DBusConnection *connection, | |
1083 | DBusMessage *message, | |
1084 | InhibitWhat w, | |
1085 | const char *action, | |
1086 | const char *action_multiple_sessions, | |
1087 | const char *action_ignore_inhibit, | |
1088 | const char *sleep_type, | |
6524990f | 1089 | const char *sleep_disk_type, |
d889a206 LP |
1090 | DBusError *error, |
1091 | DBusMessage **_reply) { | |
1092 | ||
1093 | bool multiple_sessions, challenge, blocked, b; | |
1094 | const char *result; | |
1095 | DBusMessage *reply = NULL; | |
1096 | int r; | |
409133be | 1097 | unsigned long ul; |
d889a206 LP |
1098 | |
1099 | assert(m); | |
1100 | assert(connection); | |
1101 | assert(message); | |
1102 | assert(w >= 0); | |
1103 | assert(w <= _INHIBIT_WHAT_MAX); | |
1104 | assert(action); | |
1105 | assert(action_multiple_sessions); | |
1106 | assert(action_ignore_inhibit); | |
1107 | assert(error); | |
1108 | assert(_reply); | |
1109 | ||
1110 | if (sleep_type) { | |
1111 | r = can_sleep(sleep_type); | |
1112 | if (r < 0) | |
1113 | return r; | |
1114 | ||
398f7c88 MC |
1115 | if (r == 0) { |
1116 | result = "na"; | |
1117 | goto finish; | |
1118 | } | |
d889a206 LP |
1119 | } |
1120 | ||
6524990f LP |
1121 | if (sleep_disk_type) { |
1122 | r = can_sleep_disk(sleep_disk_type); | |
1123 | if (r < 0) | |
1124 | return r; | |
1125 | ||
1126 | if (r == 0) { | |
1127 | result = "na"; | |
1128 | goto finish; | |
1129 | } | |
1130 | } | |
1131 | ||
409133be LP |
1132 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1133 | if (ul == (unsigned long) -1) | |
1134 | return -EIO; | |
1135 | ||
1136 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1137 | if (r < 0) |
1138 | return r; | |
1139 | ||
1140 | multiple_sessions = r > 0; | |
409133be | 1141 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1142 | |
1143 | if (multiple_sessions) { | |
1144 | r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); | |
1145 | if (r < 0) | |
1146 | return r; | |
1147 | ||
1148 | if (r > 0) | |
1149 | result = "yes"; | |
d5a745df LP |
1150 | else if (challenge) |
1151 | result = "challenge"; | |
1152 | else | |
1153 | result = "no"; | |
1154 | } | |
d889a206 LP |
1155 | |
1156 | if (blocked) { | |
1157 | r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); | |
1158 | if (r < 0) | |
1159 | return r; | |
1160 | ||
1161 | if (r > 0 && !result) | |
1162 | result = "yes"; | |
1163 | else if (challenge && (!result || streq(result, "yes"))) | |
1164 | result = "challenge"; | |
1165 | else | |
1166 | result = "no"; | |
1167 | } | |
1168 | ||
1169 | if (!multiple_sessions && !blocked) { | |
1170 | /* If neither inhibit nor multiple sessions | |
1171 | * apply then just check the normal policy */ | |
1172 | ||
1173 | r = verify_polkit(connection, message, action, false, &challenge, error); | |
1174 | if (r < 0) | |
1175 | return r; | |
1176 | ||
1177 | if (r > 0) | |
1178 | result = "yes"; | |
1179 | else if (challenge) | |
1180 | result = "challenge"; | |
1181 | else | |
1182 | result = "no"; | |
1183 | } | |
1184 | ||
1185 | finish: | |
1186 | reply = dbus_message_new_method_return(message); | |
1187 | if (!reply) | |
1188 | return -ENOMEM; | |
1189 | ||
1190 | b = dbus_message_append_args( | |
1191 | reply, | |
1192 | DBUS_TYPE_STRING, &result, | |
1193 | DBUS_TYPE_INVALID); | |
1194 | if (!b) { | |
1195 | dbus_message_unref(reply); | |
1196 | return -ENOMEM; | |
1197 | } | |
1198 | ||
1199 | *_reply = reply; | |
1200 | return 0; | |
1201 | } | |
1202 | ||
877d54e9 LP |
1203 | static int bus_manager_log_shutdown( |
1204 | Manager *m, | |
1205 | InhibitWhat w, | |
1206 | const char *unit_name) { | |
1207 | ||
1208 | const char *p, *q; | |
1209 | ||
1210 | assert(m); | |
1211 | assert(unit_name); | |
1212 | ||
1213 | if (w != INHIBIT_SHUTDOWN) | |
1214 | return 0; | |
1215 | ||
1216 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { | |
1217 | p = "MESSAGE=System is powering down."; | |
1218 | q = "SHUTDOWN=power-off"; | |
1219 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { | |
1220 | p = "MESSAGE=System is halting."; | |
1221 | q = "SHUTDOWN=halt"; | |
1222 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { | |
1223 | p = "MESSAGE=System is rebooting."; | |
1224 | q = "SHUTDOWN=reboot"; | |
1225 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { | |
1226 | p = "MESSAGE=System is rebooting with kexec."; | |
1227 | q = "SHUTDOWN=kexec"; | |
1228 | } else { | |
1229 | p = "MESSAGE=System is shutting down."; | |
1230 | q = NULL; | |
1231 | } | |
1232 | ||
1ca6783f | 1233 | return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), |
877d54e9 LP |
1234 | p, |
1235 | q, NULL); | |
1236 | } | |
1237 | ||
069cfc85 LP |
1238 | int bus_manager_shutdown_or_sleep_now_or_later( |
1239 | Manager *m, | |
1240 | const char *unit_name, | |
1241 | InhibitWhat w, | |
1242 | DBusError *error) { | |
1243 | ||
1244 | bool delayed; | |
1245 | int r; | |
1246 | ||
1247 | assert(m); | |
1248 | assert(unit_name); | |
1249 | assert(w >= 0); | |
1250 | assert(w <= _INHIBIT_WHAT_MAX); | |
af9792ac | 1251 | assert(!m->action_job); |
069cfc85 LP |
1252 | |
1253 | delayed = | |
1254 | m->inhibit_delay_max > 0 && | |
409133be | 1255 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); |
069cfc85 LP |
1256 | |
1257 | if (delayed) | |
1258 | /* Shutdown is delayed, keep in mind what we | |
1259 | * want to do, and start a timeout */ | |
1260 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
877d54e9 LP |
1261 | else { |
1262 | bus_manager_log_shutdown(m, w, unit_name); | |
1263 | ||
069cfc85 LP |
1264 | /* Shutdown is not delayed, execute it |
1265 | * immediately */ | |
ee17c928 | 1266 | r = send_start_unit(m, unit_name, w & INHIBIT_SLEEP, error); |
877d54e9 | 1267 | } |
069cfc85 LP |
1268 | |
1269 | return r; | |
1270 | } | |
1271 | ||
d889a206 LP |
1272 | static int bus_manager_do_shutdown_or_sleep( |
1273 | Manager *m, | |
1274 | DBusConnection *connection, | |
1275 | DBusMessage *message, | |
1276 | const char *unit_name, | |
1277 | InhibitWhat w, | |
1278 | const char *action, | |
1279 | const char *action_multiple_sessions, | |
1280 | const char *action_ignore_inhibit, | |
1281 | const char *sleep_type, | |
6524990f | 1282 | const char *sleep_disk_type, |
d889a206 LP |
1283 | DBusError *error, |
1284 | DBusMessage **_reply) { | |
1285 | ||
1286 | dbus_bool_t interactive; | |
069cfc85 | 1287 | bool multiple_sessions, blocked; |
d889a206 LP |
1288 | DBusMessage *reply = NULL; |
1289 | int r; | |
409133be | 1290 | unsigned long ul; |
d889a206 LP |
1291 | |
1292 | assert(m); | |
1293 | assert(connection); | |
1294 | assert(message); | |
1295 | assert(unit_name); | |
1296 | assert(w >= 0); | |
1297 | assert(w <= _INHIBIT_WHAT_MAX); | |
1298 | assert(action); | |
1299 | assert(action_multiple_sessions); | |
1300 | assert(action_ignore_inhibit); | |
1301 | assert(error); | |
1302 | assert(_reply); | |
1303 | ||
af9792ac LP |
1304 | if (m->action_job || m->delayed_unit) |
1305 | return -EALREADY; | |
1306 | ||
d889a206 LP |
1307 | if (!dbus_message_get_args( |
1308 | message, | |
1309 | error, | |
1310 | DBUS_TYPE_BOOLEAN, &interactive, | |
1311 | DBUS_TYPE_INVALID)) | |
1312 | return -EINVAL; | |
1313 | ||
1314 | if (sleep_type) { | |
1315 | r = can_sleep(sleep_type); | |
1316 | if (r < 0) | |
1317 | return r; | |
1318 | ||
1319 | if (r == 0) | |
1320 | return -ENOTSUP; | |
1321 | } | |
1322 | ||
6524990f LP |
1323 | if (sleep_disk_type) { |
1324 | r = can_sleep_disk(sleep_disk_type); | |
1325 | if (r < 0) | |
1326 | return r; | |
1327 | ||
1328 | if (r == 0) | |
1329 | return -ENOTSUP; | |
1330 | } | |
1331 | ||
409133be LP |
1332 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1333 | if (ul == (unsigned long) -1) | |
1334 | return -EIO; | |
1335 | ||
1336 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1337 | if (r < 0) |
1338 | return r; | |
1339 | ||
1340 | multiple_sessions = r > 0; | |
409133be | 1341 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1342 | |
1343 | if (multiple_sessions) { | |
1344 | r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); | |
1345 | if (r < 0) | |
1346 | return r; | |
1347 | } | |
1348 | ||
1349 | if (blocked) { | |
1350 | r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); | |
1351 | if (r < 0) | |
1352 | return r; | |
1353 | } | |
1354 | ||
1355 | if (!multiple_sessions && !blocked) { | |
1356 | r = verify_polkit(connection, message, action, interactive, NULL, error); | |
1357 | if (r < 0) | |
1358 | return r; | |
1359 | } | |
1360 | ||
069cfc85 | 1361 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 LP |
1362 | if (r < 0) |
1363 | return r; | |
1364 | ||
1365 | reply = dbus_message_new_method_return(message); | |
1366 | if (!reply) | |
1367 | return -ENOMEM; | |
eecd1362 | 1368 | |
d889a206 | 1369 | *_reply = reply; |
eecd1362 LP |
1370 | return 0; |
1371 | } | |
1372 | ||
23406ce5 | 1373 | static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction); |
069cfc85 | 1374 | |
d200735e MS |
1375 | static const BusProperty bus_login_manager_properties[] = { |
1376 | { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, | |
1377 | { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, | |
1378 | { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true }, | |
1379 | { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, | |
1380 | { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, | |
1381 | { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, | |
1382 | { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, | |
1383 | { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, | |
1384 | { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, | |
1385 | { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, | |
eecd1362 LP |
1386 | { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, |
1387 | { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, | |
1388 | { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, | |
23406ce5 LP |
1389 | { "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) }, |
1390 | { "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) }, | |
1391 | { "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)}, | |
1392 | { "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) }, | |
1393 | { "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) }, | |
1394 | { "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) }, | |
5e4a79da LP |
1395 | { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, |
1396 | { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, | |
d200735e MS |
1397 | { NULL, } |
1398 | }; | |
1399 | ||
3f49d45a LP |
1400 | static DBusHandlerResult manager_message_handler( |
1401 | DBusConnection *connection, | |
1402 | DBusMessage *message, | |
1403 | void *userdata) { | |
1404 | ||
1405 | Manager *m = userdata; | |
1406 | ||
3f49d45a LP |
1407 | DBusError error; |
1408 | DBusMessage *reply = NULL; | |
bef422ae | 1409 | int r; |
3f49d45a LP |
1410 | |
1411 | assert(connection); | |
1412 | assert(message); | |
1413 | assert(m); | |
1414 | ||
1415 | dbus_error_init(&error); | |
1416 | ||
bef422ae LP |
1417 | if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { |
1418 | const char *name; | |
1419 | char *p; | |
1420 | Session *session; | |
1421 | bool b; | |
1422 | ||
1423 | if (!dbus_message_get_args( | |
1424 | message, | |
1425 | &error, | |
1426 | DBUS_TYPE_STRING, &name, | |
1427 | DBUS_TYPE_INVALID)) | |
1428 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1429 | ||
1430 | session = hashmap_get(m->sessions, name); | |
1431 | if (!session) | |
1432 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1433 | ||
1434 | reply = dbus_message_new_method_return(message); | |
1435 | if (!reply) | |
1436 | goto oom; | |
1437 | ||
1438 | p = session_bus_path(session); | |
c4aa65e7 LP |
1439 | if (!p) |
1440 | goto oom; | |
1441 | ||
1442 | b = dbus_message_append_args( | |
1443 | reply, | |
1444 | DBUS_TYPE_OBJECT_PATH, &p, | |
1445 | DBUS_TYPE_INVALID); | |
1446 | free(p); | |
1447 | ||
1448 | if (!b) | |
1449 | goto oom; | |
1450 | ||
1451 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { | |
1452 | uint32_t pid; | |
1453 | char *p; | |
1454 | Session *session; | |
1455 | bool b; | |
1456 | ||
1457 | if (!dbus_message_get_args( | |
1458 | message, | |
1459 | &error, | |
1460 | DBUS_TYPE_UINT32, &pid, | |
1461 | DBUS_TYPE_INVALID)) | |
1462 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1463 | ||
1464 | r = manager_get_session_by_pid(m, pid, &session); | |
1465 | if (r <= 0) | |
1466 | return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); | |
1467 | ||
1468 | reply = dbus_message_new_method_return(message); | |
1469 | if (!reply) | |
1470 | goto oom; | |
1471 | ||
1472 | p = session_bus_path(session); | |
bef422ae LP |
1473 | if (!p) |
1474 | goto oom; | |
1475 | ||
1476 | b = dbus_message_append_args( | |
1477 | reply, | |
1478 | DBUS_TYPE_OBJECT_PATH, &p, | |
1479 | DBUS_TYPE_INVALID); | |
1480 | free(p); | |
1481 | ||
1482 | if (!b) | |
1483 | goto oom; | |
1484 | ||
1485 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { | |
1486 | uint32_t uid; | |
1487 | char *p; | |
1488 | User *user; | |
1489 | bool b; | |
1490 | ||
1491 | if (!dbus_message_get_args( | |
1492 | message, | |
1493 | &error, | |
1494 | DBUS_TYPE_UINT32, &uid, | |
1495 | DBUS_TYPE_INVALID)) | |
1496 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1497 | ||
1498 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1499 | if (!user) | |
1500 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1501 | ||
1502 | reply = dbus_message_new_method_return(message); | |
1503 | if (!reply) | |
1504 | goto oom; | |
1505 | ||
1506 | p = user_bus_path(user); | |
1507 | if (!p) | |
1508 | goto oom; | |
1509 | ||
1510 | b = dbus_message_append_args( | |
1511 | reply, | |
1512 | DBUS_TYPE_OBJECT_PATH, &p, | |
1513 | DBUS_TYPE_INVALID); | |
1514 | free(p); | |
1515 | ||
1516 | if (!b) | |
1517 | goto oom; | |
1518 | ||
1519 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { | |
1520 | const char *name; | |
1521 | char *p; | |
1522 | Seat *seat; | |
1523 | bool b; | |
1524 | ||
1525 | if (!dbus_message_get_args( | |
1526 | message, | |
1527 | &error, | |
1528 | DBUS_TYPE_STRING, &name, | |
1529 | DBUS_TYPE_INVALID)) | |
1530 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1531 | ||
1532 | seat = hashmap_get(m->seats, name); | |
1533 | if (!seat) | |
1534 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1535 | ||
1536 | reply = dbus_message_new_method_return(message); | |
1537 | if (!reply) | |
1538 | goto oom; | |
1539 | ||
1540 | p = seat_bus_path(seat); | |
1541 | if (!p) | |
1542 | goto oom; | |
1543 | ||
1544 | b = dbus_message_append_args( | |
1545 | reply, | |
1546 | DBUS_TYPE_OBJECT_PATH, &p, | |
1547 | DBUS_TYPE_INVALID); | |
1548 | free(p); | |
1549 | ||
1550 | if (!b) | |
1551 | goto oom; | |
1552 | ||
e1c9c2d5 LP |
1553 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { |
1554 | char *p; | |
1555 | Session *session; | |
1556 | Iterator i; | |
1557 | DBusMessageIter iter, sub; | |
1558 | const char *empty = ""; | |
1559 | ||
1560 | reply = dbus_message_new_method_return(message); | |
1561 | if (!reply) | |
1562 | goto oom; | |
1563 | ||
1564 | dbus_message_iter_init_append(reply, &iter); | |
1565 | ||
dec15e92 | 1566 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) |
e1c9c2d5 LP |
1567 | goto oom; |
1568 | ||
1569 | HASHMAP_FOREACH(session, m->sessions, i) { | |
1570 | DBusMessageIter sub2; | |
1571 | uint32_t uid; | |
1572 | ||
1573 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1574 | goto oom; | |
1575 | ||
1576 | uid = session->user->uid; | |
1577 | ||
1578 | p = session_bus_path(session); | |
1579 | if (!p) | |
1580 | goto oom; | |
1581 | ||
1582 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || | |
1583 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1584 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || | |
1585 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || | |
1586 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1587 | free(p); | |
1588 | goto oom; | |
1589 | } | |
1590 | ||
1591 | free(p); | |
1592 | ||
1593 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1594 | goto oom; | |
1595 | } | |
1596 | ||
1597 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1598 | goto oom; | |
1599 | ||
1600 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { | |
1601 | char *p; | |
1602 | User *user; | |
1603 | Iterator i; | |
1604 | DBusMessageIter iter, sub; | |
1605 | ||
1606 | reply = dbus_message_new_method_return(message); | |
1607 | if (!reply) | |
1608 | goto oom; | |
1609 | ||
1610 | dbus_message_iter_init_append(reply, &iter); | |
1611 | ||
dec15e92 | 1612 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) |
e1c9c2d5 LP |
1613 | goto oom; |
1614 | ||
1615 | HASHMAP_FOREACH(user, m->users, i) { | |
1616 | DBusMessageIter sub2; | |
1617 | uint32_t uid; | |
1618 | ||
1619 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1620 | goto oom; | |
1621 | ||
1622 | uid = user->uid; | |
1623 | ||
1624 | p = user_bus_path(user); | |
1625 | if (!p) | |
1626 | goto oom; | |
1627 | ||
1628 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1629 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || | |
1630 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1631 | free(p); | |
1632 | goto oom; | |
1633 | } | |
1634 | ||
1635 | free(p); | |
1636 | ||
1637 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1638 | goto oom; | |
1639 | } | |
1640 | ||
1641 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1642 | goto oom; | |
1643 | ||
1644 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { | |
1645 | char *p; | |
1646 | Seat *seat; | |
1647 | Iterator i; | |
1648 | DBusMessageIter iter, sub; | |
1649 | ||
1650 | reply = dbus_message_new_method_return(message); | |
1651 | if (!reply) | |
1652 | goto oom; | |
1653 | ||
1654 | dbus_message_iter_init_append(reply, &iter); | |
1655 | ||
dec15e92 | 1656 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) |
e1c9c2d5 LP |
1657 | goto oom; |
1658 | ||
1659 | HASHMAP_FOREACH(seat, m->seats, i) { | |
1660 | DBusMessageIter sub2; | |
1661 | ||
1662 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1663 | goto oom; | |
1664 | ||
1665 | p = seat_bus_path(seat); | |
1666 | if (!p) | |
1667 | goto oom; | |
1668 | ||
1669 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || | |
1670 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1671 | free(p); | |
1672 | goto oom; | |
1673 | } | |
1674 | ||
1675 | free(p); | |
1676 | ||
1677 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1678 | goto oom; | |
1679 | } | |
1680 | ||
1681 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1682 | goto oom; | |
1683 | ||
f8e2fb7b LP |
1684 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { |
1685 | Inhibitor *inhibitor; | |
1686 | Iterator i; | |
1687 | DBusMessageIter iter, sub; | |
1688 | ||
1689 | reply = dbus_message_new_method_return(message); | |
1690 | if (!reply) | |
1691 | goto oom; | |
1692 | ||
1693 | dbus_message_iter_init_append(reply, &iter); | |
1694 | ||
eecd1362 | 1695 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) |
f8e2fb7b LP |
1696 | goto oom; |
1697 | ||
1698 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
1699 | DBusMessageIter sub2; | |
1700 | dbus_uint32_t uid, pid; | |
eecd1362 | 1701 | const char *what, *who, *why, *mode; |
f8e2fb7b LP |
1702 | |
1703 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1704 | goto oom; | |
1705 | ||
eecd1362 | 1706 | what = strempty(inhibit_what_to_string(inhibitor->what)); |
f8e2fb7b LP |
1707 | who = strempty(inhibitor->who); |
1708 | why = strempty(inhibitor->why); | |
eecd1362 | 1709 | mode = strempty(inhibit_mode_to_string(inhibitor->mode)); |
f8e2fb7b LP |
1710 | uid = (dbus_uint32_t) inhibitor->uid; |
1711 | pid = (dbus_uint32_t) inhibitor->pid; | |
1712 | ||
1713 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || | |
1714 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || | |
1715 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || | |
eecd1362 | 1716 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || |
f8e2fb7b LP |
1717 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || |
1718 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) | |
1719 | goto oom; | |
1720 | ||
1721 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1722 | goto oom; | |
1723 | } | |
1724 | ||
1725 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1726 | goto oom; | |
1727 | ||
1728 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { | |
1729 | ||
1730 | r = bus_manager_inhibit(m, connection, message, &error, &reply); | |
1731 | ||
1732 | if (r < 0) | |
1733 | return bus_send_error_reply(connection, message, &error, r); | |
1734 | ||
1735 | ||
98a28fef LP |
1736 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { |
1737 | ||
1738 | r = bus_manager_create_session(m, message, &reply); | |
688c56ff LP |
1739 | |
1740 | /* Don't delay the work on OOM here, since it might be | |
1741 | * triggered by a low RLIMIT_NOFILE here (since we | |
1742 | * send a dupped fd to the client), and we'd rather | |
1743 | * see this fail quickly then be retried later */ | |
98a28fef LP |
1744 | |
1745 | if (r < 0) | |
f8e2fb7b | 1746 | return bus_send_error_reply(connection, message, NULL, r); |
98a28fef | 1747 | |
75c8e3cf LP |
1748 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { |
1749 | const char *name; | |
1750 | Session *session; | |
1751 | ||
1752 | if (!dbus_message_get_args( | |
1753 | message, | |
1754 | &error, | |
1755 | DBUS_TYPE_STRING, &name, | |
1756 | DBUS_TYPE_INVALID)) | |
1757 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1758 | ||
1759 | session = hashmap_get(m->sessions, name); | |
1760 | if (!session) | |
1761 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1762 | ||
1763 | /* We use the FIFO to detect stray sessions where the | |
1764 | process invoking PAM dies abnormally. We need to make | |
1765 | sure that that process is not killed if at the clean | |
1766 | end of the session it closes the FIFO. Hence, with | |
1767 | this call explicitly turn off the FIFO logic, so that | |
1768 | the PAM code can finish clean up on its own */ | |
1769 | session_remove_fifo(session); | |
1770 | ||
1771 | reply = dbus_message_new_method_return(message); | |
1772 | if (!reply) | |
1773 | goto oom; | |
1774 | ||
bef422ae LP |
1775 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { |
1776 | const char *name; | |
1777 | Session *session; | |
1778 | ||
1779 | if (!dbus_message_get_args( | |
1780 | message, | |
1781 | &error, | |
1782 | DBUS_TYPE_STRING, &name, | |
1783 | DBUS_TYPE_INVALID)) | |
1784 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1785 | ||
1786 | session = hashmap_get(m->sessions, name); | |
1787 | if (!session) | |
1788 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1789 | ||
1790 | r = session_activate(session); | |
1791 | if (r < 0) | |
1792 | return bus_send_error_reply(connection, message, NULL, r); | |
1793 | ||
1794 | reply = dbus_message_new_method_return(message); | |
1795 | if (!reply) | |
1796 | goto oom; | |
1797 | ||
84c3361e LP |
1798 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { |
1799 | const char *session_name, *seat_name; | |
1800 | Session *session; | |
1801 | Seat *seat; | |
1802 | ||
1803 | /* Same as ActivateSession() but refuses to work if | |
1804 | * the seat doesn't match */ | |
1805 | ||
1806 | if (!dbus_message_get_args( | |
1807 | message, | |
1808 | &error, | |
1809 | DBUS_TYPE_STRING, &session_name, | |
1810 | DBUS_TYPE_STRING, &seat_name, | |
1811 | DBUS_TYPE_INVALID)) | |
1812 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1813 | ||
1814 | session = hashmap_get(m->sessions, session_name); | |
1815 | if (!session) | |
1816 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1817 | ||
1818 | seat = hashmap_get(m->seats, seat_name); | |
1819 | if (!seat) | |
1820 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1821 | ||
1822 | if (session->seat != seat) | |
1823 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1824 | ||
1825 | r = session_activate(session); | |
1826 | if (r < 0) | |
1827 | return bus_send_error_reply(connection, message, NULL, r); | |
1828 | ||
1829 | reply = dbus_message_new_method_return(message); | |
1830 | if (!reply) | |
1831 | goto oom; | |
1832 | ||
88e3dc90 LP |
1833 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || |
1834 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { | |
1835 | const char *name; | |
1836 | Session *session; | |
1837 | ||
1838 | if (!dbus_message_get_args( | |
1839 | message, | |
1840 | &error, | |
1841 | DBUS_TYPE_STRING, &name, | |
1842 | DBUS_TYPE_INVALID)) | |
1843 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1844 | ||
1845 | session = hashmap_get(m->sessions, name); | |
1846 | if (!session) | |
7ba64386 | 1847 | return bus_send_error_reply(connection, message, NULL, -ENOENT); |
88e3dc90 LP |
1848 | |
1849 | if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) | |
1850 | goto oom; | |
1851 | ||
1852 | reply = dbus_message_new_method_return(message); | |
1853 | if (!reply) | |
1854 | goto oom; | |
1855 | ||
fa2b196d | 1856 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions")) { |
7ba64386 LP |
1857 | r = session_send_lock_all(m, true); |
1858 | if (r < 0) | |
1859 | bus_send_error_reply(connection, message, NULL, r); | |
fa2b196d LP |
1860 | |
1861 | reply = dbus_message_new_method_return(message); | |
1862 | if (!reply) | |
1863 | goto oom; | |
1864 | ||
de07ab16 LP |
1865 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { |
1866 | const char *swho; | |
1867 | int32_t signo; | |
1868 | KillWho who; | |
1869 | const char *name; | |
1870 | Session *session; | |
1871 | ||
1872 | if (!dbus_message_get_args( | |
1873 | message, | |
1874 | &error, | |
1875 | DBUS_TYPE_STRING, &name, | |
1876 | DBUS_TYPE_STRING, &swho, | |
1877 | DBUS_TYPE_INT32, &signo, | |
1878 | DBUS_TYPE_INVALID)) | |
1879 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1880 | ||
1881 | if (isempty(swho)) | |
1882 | who = KILL_ALL; | |
1883 | else { | |
1884 | who = kill_who_from_string(swho); | |
1885 | if (who < 0) | |
1886 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1887 | } | |
1888 | ||
1889 | if (signo <= 0 || signo >= _NSIG) | |
1890 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1891 | ||
1892 | session = hashmap_get(m->sessions, name); | |
1893 | if (!session) | |
1894 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1895 | ||
1896 | r = session_kill(session, who, signo); | |
1897 | if (r < 0) | |
1898 | return bus_send_error_reply(connection, message, NULL, r); | |
1899 | ||
1900 | reply = dbus_message_new_method_return(message); | |
1901 | if (!reply) | |
1902 | goto oom; | |
1903 | ||
1904 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { | |
1905 | uint32_t uid; | |
1906 | User *user; | |
1907 | int32_t signo; | |
1908 | ||
1909 | if (!dbus_message_get_args( | |
1910 | message, | |
1911 | &error, | |
1912 | DBUS_TYPE_UINT32, &uid, | |
1913 | DBUS_TYPE_INT32, &signo, | |
1914 | DBUS_TYPE_INVALID)) | |
1915 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1916 | ||
1917 | if (signo <= 0 || signo >= _NSIG) | |
1918 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1919 | ||
1920 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1921 | if (!user) | |
1922 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1923 | ||
1924 | r = user_kill(user, signo); | |
1925 | if (r < 0) | |
1926 | return bus_send_error_reply(connection, message, NULL, r); | |
1927 | ||
1928 | reply = dbus_message_new_method_return(message); | |
1929 | if (!reply) | |
1930 | goto oom; | |
1931 | ||
bef422ae LP |
1932 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { |
1933 | const char *name; | |
1934 | Session *session; | |
1935 | ||
1936 | if (!dbus_message_get_args( | |
1937 | message, | |
1938 | &error, | |
1939 | DBUS_TYPE_STRING, &name, | |
1940 | DBUS_TYPE_INVALID)) | |
1941 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1942 | ||
1943 | session = hashmap_get(m->sessions, name); | |
1944 | if (!session) | |
1945 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1946 | ||
1947 | r = session_stop(session); | |
1948 | if (r < 0) | |
1949 | return bus_send_error_reply(connection, message, NULL, r); | |
1950 | ||
1951 | reply = dbus_message_new_method_return(message); | |
1952 | if (!reply) | |
1953 | goto oom; | |
1954 | ||
1955 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { | |
1956 | uint32_t uid; | |
1957 | User *user; | |
1958 | ||
1959 | if (!dbus_message_get_args( | |
1960 | message, | |
1961 | &error, | |
1962 | DBUS_TYPE_UINT32, &uid, | |
1963 | DBUS_TYPE_INVALID)) | |
1964 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1965 | ||
1966 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1967 | if (!user) | |
1968 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1969 | ||
1970 | r = user_stop(user); | |
1971 | if (r < 0) | |
1972 | return bus_send_error_reply(connection, message, NULL, r); | |
1973 | ||
1974 | reply = dbus_message_new_method_return(message); | |
1975 | if (!reply) | |
1976 | goto oom; | |
1977 | ||
1978 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { | |
1979 | const char *name; | |
1980 | Seat *seat; | |
1981 | ||
1982 | if (!dbus_message_get_args( | |
1983 | message, | |
1984 | &error, | |
1985 | DBUS_TYPE_STRING, &name, | |
1986 | DBUS_TYPE_INVALID)) | |
1987 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1988 | ||
1989 | seat = hashmap_get(m->seats, name); | |
1990 | if (!seat) | |
1991 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1992 | ||
1993 | r = seat_stop_sessions(seat); | |
1994 | if (r < 0) | |
1995 | return bus_send_error_reply(connection, message, NULL, r); | |
1996 | ||
1997 | reply = dbus_message_new_method_return(message); | |
1998 | if (!reply) | |
1999 | goto oom; | |
2000 | ||
7f7bb946 LP |
2001 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { |
2002 | uint32_t uid; | |
2003 | struct passwd *pw; | |
2004 | dbus_bool_t b, interactive; | |
2005 | char *path; | |
2006 | ||
2007 | if (!dbus_message_get_args( | |
2008 | message, | |
2009 | &error, | |
2010 | DBUS_TYPE_UINT32, &uid, | |
2011 | DBUS_TYPE_BOOLEAN, &b, | |
2012 | DBUS_TYPE_BOOLEAN, &interactive, | |
2013 | DBUS_TYPE_INVALID)) | |
2014 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2015 | ||
2016 | errno = 0; | |
2017 | pw = getpwuid(uid); | |
2018 | if (!pw) | |
2019 | return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); | |
2020 | ||
89f13440 | 2021 | r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); |
7f7bb946 LP |
2022 | if (r < 0) |
2023 | return bus_send_error_reply(connection, message, &error, r); | |
2024 | ||
d2e54fae | 2025 | mkdir_p_label("/var/lib/systemd", 0755); |
02b16a19 | 2026 | |
d2e54fae | 2027 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); |
7f7bb946 LP |
2028 | if (r < 0) |
2029 | return bus_send_error_reply(connection, message, &error, r); | |
2030 | ||
2031 | path = strappend("/var/lib/systemd/linger/", pw->pw_name); | |
2032 | if (!path) | |
2033 | goto oom; | |
2034 | ||
2035 | if (b) { | |
38f3fc7d LP |
2036 | User *u; |
2037 | ||
7f7bb946 LP |
2038 | r = touch(path); |
2039 | free(path); | |
2040 | ||
2041 | if (r < 0) | |
2042 | return bus_send_error_reply(connection, message, &error, r); | |
38f3fc7d LP |
2043 | |
2044 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
2045 | user_start(u); | |
2046 | ||
7f7bb946 | 2047 | } else { |
38f3fc7d LP |
2048 | User *u; |
2049 | ||
7f7bb946 LP |
2050 | r = unlink(path); |
2051 | free(path); | |
2052 | ||
2053 | if (r < 0 && errno != ENOENT) | |
2054 | return bus_send_error_reply(connection, message, &error, -errno); | |
38f3fc7d LP |
2055 | |
2056 | u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
2057 | if (u) | |
2058 | user_add_to_gc_queue(u); | |
7f7bb946 LP |
2059 | } |
2060 | ||
2061 | reply = dbus_message_new_method_return(message); | |
2062 | if (!reply) | |
2063 | goto oom; | |
2064 | ||
47a26690 LP |
2065 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { |
2066 | const char *sysfs, *seat; | |
2067 | dbus_bool_t interactive; | |
2068 | ||
2069 | if (!dbus_message_get_args( | |
2070 | message, | |
2071 | &error, | |
2072 | DBUS_TYPE_STRING, &seat, | |
2073 | DBUS_TYPE_STRING, &sysfs, | |
2074 | DBUS_TYPE_BOOLEAN, &interactive, | |
2075 | DBUS_TYPE_INVALID)) | |
2076 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2077 | ||
2078 | if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) | |
2079 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2080 | ||
89f13440 | 2081 | r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); |
47a26690 LP |
2082 | if (r < 0) |
2083 | return bus_send_error_reply(connection, message, &error, r); | |
2084 | ||
2085 | r = attach_device(m, seat, sysfs); | |
2086 | if (r < 0) | |
2087 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2088 | ||
2089 | reply = dbus_message_new_method_return(message); | |
2090 | if (!reply) | |
2091 | goto oom; | |
7f7bb946 | 2092 | |
b668e064 LP |
2093 | |
2094 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { | |
2095 | dbus_bool_t interactive; | |
2096 | ||
2097 | if (!dbus_message_get_args( | |
2098 | message, | |
2099 | &error, | |
2100 | DBUS_TYPE_BOOLEAN, &interactive, | |
2101 | DBUS_TYPE_INVALID)) | |
2102 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2103 | ||
89f13440 | 2104 | r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); |
b668e064 LP |
2105 | if (r < 0) |
2106 | return bus_send_error_reply(connection, message, &error, r); | |
2107 | ||
2108 | r = flush_devices(m); | |
2109 | if (r < 0) | |
2110 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2111 | ||
2112 | reply = dbus_message_new_method_return(message); | |
2113 | if (!reply) | |
2114 | goto oom; | |
2115 | ||
d889a206 LP |
2116 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) { |
2117 | ||
2118 | r = bus_manager_do_shutdown_or_sleep( | |
2119 | m, connection, message, | |
2120 | SPECIAL_POWEROFF_TARGET, | |
2121 | INHIBIT_SHUTDOWN, | |
2122 | "org.freedesktop.login1.power-off", | |
2123 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2124 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2125 | NULL, NULL, |
d889a206 | 2126 | &error, &reply); |
89f13440 LP |
2127 | if (r < 0) |
2128 | return bus_send_error_reply(connection, message, &error, r); | |
d889a206 LP |
2129 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { |
2130 | r = bus_manager_do_shutdown_or_sleep( | |
2131 | m, connection, message, | |
2132 | SPECIAL_REBOOT_TARGET, | |
2133 | INHIBIT_SHUTDOWN, | |
2134 | "org.freedesktop.login1.reboot", | |
2135 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2136 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2137 | NULL, NULL, |
d889a206 | 2138 | &error, &reply); |
89f13440 LP |
2139 | if (r < 0) |
2140 | return bus_send_error_reply(connection, message, &error, r); | |
2141 | ||
d889a206 LP |
2142 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) { |
2143 | r = bus_manager_do_shutdown_or_sleep( | |
2144 | m, connection, message, | |
2145 | SPECIAL_SUSPEND_TARGET, | |
2146 | INHIBIT_SLEEP, | |
2147 | "org.freedesktop.login1.suspend", | |
2148 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2149 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2150 | "mem", NULL, |
d889a206 LP |
2151 | &error, &reply); |
2152 | if (r < 0) | |
2153 | return bus_send_error_reply(connection, message, &error, r); | |
2154 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) { | |
2155 | r = bus_manager_do_shutdown_or_sleep( | |
2156 | m, connection, message, | |
2157 | SPECIAL_HIBERNATE_TARGET, | |
2158 | INHIBIT_SLEEP, | |
2159 | "org.freedesktop.login1.hibernate", | |
2160 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2161 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2162 | "disk", NULL, |
2163 | &error, &reply); | |
2164 | if (r < 0) | |
2165 | return bus_send_error_reply(connection, message, &error, r); | |
2166 | ||
2167 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) { | |
2168 | r = bus_manager_do_shutdown_or_sleep( | |
2169 | m, connection, message, | |
2170 | SPECIAL_HYBRID_SLEEP_TARGET, | |
2171 | INHIBIT_SLEEP, | |
2172 | "org.freedesktop.login1.hibernate", | |
2173 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2174 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2175 | "disk", "suspend", | |
d889a206 LP |
2176 | &error, &reply); |
2177 | if (r < 0) | |
2178 | return bus_send_error_reply(connection, message, &error, r); | |
f8e2fb7b | 2179 | |
d889a206 | 2180 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) { |
f8e2fb7b | 2181 | |
d889a206 LP |
2182 | r = bus_manager_can_shutdown_or_sleep( |
2183 | m, connection, message, | |
2184 | INHIBIT_SHUTDOWN, | |
2185 | "org.freedesktop.login1.power-off", | |
2186 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2187 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2188 | NULL, NULL, |
d889a206 LP |
2189 | &error, &reply); |
2190 | if (r < 0) | |
2191 | return bus_send_error_reply(connection, message, &error, r); | |
2192 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { | |
2193 | r = bus_manager_can_shutdown_or_sleep( | |
2194 | m, connection, message, | |
2195 | INHIBIT_SHUTDOWN, | |
2196 | "org.freedesktop.login1.reboot", | |
2197 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2198 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2199 | NULL, NULL, |
d889a206 LP |
2200 | &error, &reply); |
2201 | if (r < 0) | |
2202 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2203 | |
d889a206 LP |
2204 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) { |
2205 | r = bus_manager_can_shutdown_or_sleep( | |
2206 | m, connection, message, | |
2207 | INHIBIT_SLEEP, | |
2208 | "org.freedesktop.login1.suspend", | |
2209 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2210 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2211 | "mem", NULL, |
d889a206 LP |
2212 | &error, &reply); |
2213 | if (r < 0) | |
2214 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2215 | |
d889a206 LP |
2216 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) { |
2217 | r = bus_manager_can_shutdown_or_sleep( | |
2218 | m, connection, message, | |
2219 | INHIBIT_SLEEP, | |
2220 | "org.freedesktop.login1.hibernate", | |
2221 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2222 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2223 | "disk", NULL, |
2224 | &error, &reply); | |
2225 | if (r < 0) | |
2226 | return bus_send_error_reply(connection, message, &error, r); | |
2227 | ||
2228 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) { | |
2229 | r = bus_manager_can_shutdown_or_sleep( | |
2230 | m, connection, message, | |
2231 | INHIBIT_SLEEP, | |
2232 | "org.freedesktop.login1.hibernate", | |
2233 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2234 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2235 | "disk", "suspend", | |
d889a206 LP |
2236 | &error, &reply); |
2237 | if (r < 0) | |
2238 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2239 | |
bef422ae | 2240 | } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { |
3f49d45a LP |
2241 | char *introspection = NULL; |
2242 | FILE *f; | |
2243 | Iterator i; | |
2244 | Session *session; | |
2245 | Seat *seat; | |
2246 | User *user; | |
2247 | size_t size; | |
2248 | char *p; | |
2249 | ||
2250 | if (!(reply = dbus_message_new_method_return(message))) | |
2251 | goto oom; | |
2252 | ||
2253 | /* We roll our own introspection code here, instead of | |
2254 | * relying on bus_default_message_handler() because we | |
2255 | * need to generate our introspection string | |
2256 | * dynamically. */ | |
2257 | ||
2258 | if (!(f = open_memstream(&introspection, &size))) | |
2259 | goto oom; | |
2260 | ||
2261 | fputs(INTROSPECTION_BEGIN, f); | |
2262 | ||
2263 | HASHMAP_FOREACH(seat, m->seats, i) { | |
2264 | p = bus_path_escape(seat->id); | |
2265 | ||
2266 | if (p) { | |
2267 | fprintf(f, "<node name=\"seat/%s\"/>", p); | |
2268 | free(p); | |
2269 | } | |
2270 | } | |
2271 | ||
2272 | HASHMAP_FOREACH(user, m->users, i) | |
2273 | fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid); | |
2274 | ||
2275 | HASHMAP_FOREACH(session, m->sessions, i) { | |
2276 | p = bus_path_escape(session->id); | |
2277 | ||
2278 | if (p) { | |
2279 | fprintf(f, "<node name=\"session/%s\"/>", p); | |
2280 | free(p); | |
2281 | } | |
2282 | } | |
2283 | ||
2284 | fputs(INTROSPECTION_END, f); | |
2285 | ||
2286 | if (ferror(f)) { | |
2287 | fclose(f); | |
2288 | free(introspection); | |
2289 | goto oom; | |
2290 | } | |
2291 | ||
2292 | fclose(f); | |
2293 | ||
2294 | if (!introspection) | |
2295 | goto oom; | |
2296 | ||
2297 | if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { | |
2298 | free(introspection); | |
2299 | goto oom; | |
2300 | } | |
2301 | ||
2302 | free(introspection); | |
d200735e MS |
2303 | } else { |
2304 | const BusBoundProperties bps[] = { | |
2305 | { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, | |
2306 | { NULL, } | |
2307 | }; | |
2308 | return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); | |
2309 | } | |
3f49d45a LP |
2310 | |
2311 | if (reply) { | |
1a37b9b9 CW |
2312 | if (!bus_maybe_send_reply(connection, message, reply)) |
2313 | goto oom; | |
3f49d45a LP |
2314 | |
2315 | dbus_message_unref(reply); | |
2316 | } | |
2317 | ||
2318 | return DBUS_HANDLER_RESULT_HANDLED; | |
2319 | ||
2320 | oom: | |
2321 | if (reply) | |
2322 | dbus_message_unref(reply); | |
2323 | ||
2324 | dbus_error_free(&error); | |
2325 | ||
2326 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
2327 | } | |
2328 | ||
2329 | const DBusObjectPathVTable bus_manager_vtable = { | |
2330 | .message_function = manager_message_handler | |
2331 | }; | |
9418f147 | 2332 | |
1713813d LP |
2333 | DBusHandlerResult bus_message_filter( |
2334 | DBusConnection *connection, | |
2335 | DBusMessage *message, | |
2336 | void *userdata) { | |
2337 | ||
2338 | Manager *m = userdata; | |
2339 | DBusError error; | |
2340 | ||
2341 | assert(m); | |
2342 | assert(connection); | |
2343 | assert(message); | |
2344 | ||
2345 | dbus_error_init(&error); | |
2346 | ||
2347 | if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) { | |
2348 | const char *cgroup; | |
2349 | ||
2350 | if (!dbus_message_get_args(message, &error, | |
2351 | DBUS_TYPE_STRING, &cgroup, | |
2352 | DBUS_TYPE_INVALID)) | |
2353 | log_error("Failed to parse Released message: %s", bus_error_message(&error)); | |
2354 | else | |
2355 | manager_cgroup_notify_empty(m, cgroup); | |
af9792ac LP |
2356 | |
2357 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { | |
2358 | uint32_t id; | |
2359 | const char *path, *result, *unit; | |
2360 | ||
2361 | if (!dbus_message_get_args(message, &error, | |
2362 | DBUS_TYPE_UINT32, &id, | |
2363 | DBUS_TYPE_OBJECT_PATH, &path, | |
2364 | DBUS_TYPE_STRING, &unit, | |
2365 | DBUS_TYPE_STRING, &result, | |
2366 | DBUS_TYPE_INVALID)) | |
2367 | log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error)); | |
2368 | else if (m->action_job && streq(m->action_job, path)) { | |
2369 | log_info("Action is complete, result is '%s'.", result); | |
2370 | free(m->action_job); | |
2371 | m->action_job = NULL; | |
ee17c928 LP |
2372 | |
2373 | if (m->send_resumed_after_action_job) { | |
2374 | _cleanup_dbus_message_unref_ DBusMessage *s = NULL; | |
2375 | ||
2376 | s = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", "Resumed"); | |
2377 | if (s) | |
2378 | dbus_connection_send(m->bus, s, NULL); | |
2379 | } | |
af9792ac | 2380 | } |
1713813d LP |
2381 | } |
2382 | ||
2383 | dbus_error_free(&error); | |
2384 | ||
2385 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
2386 | } | |
2387 | ||
9418f147 LP |
2388 | int manager_send_changed(Manager *manager, const char *properties) { |
2389 | DBusMessage *m; | |
2390 | int r = -ENOMEM; | |
2391 | ||
2392 | assert(manager); | |
2393 | ||
2394 | m = bus_properties_changed_new("/org/freedesktop/login1", "org.freedesktop.login1.Manager", properties); | |
2395 | if (!m) | |
2396 | goto finish; | |
2397 | ||
2398 | if (!dbus_connection_send(manager->bus, m, NULL)) | |
2399 | goto finish; | |
2400 | ||
2401 | r = 0; | |
2402 | ||
2403 | finish: | |
2404 | if (m) | |
2405 | dbus_message_unref(m); | |
2406 | ||
2407 | return r; | |
2408 | } | |
eecd1362 | 2409 | |
d889a206 LP |
2410 | int manager_dispatch_delayed(Manager *manager) { |
2411 | const char *unit_name; | |
eecd1362 LP |
2412 | DBusError error; |
2413 | bool delayed; | |
2414 | int r; | |
2415 | ||
2416 | assert(manager); | |
2417 | ||
d889a206 | 2418 | if (!manager->delayed_unit) |
eecd1362 LP |
2419 | return 0; |
2420 | ||
2421 | /* Continue delay? */ | |
2422 | delayed = | |
d889a206 | 2423 | manager->delayed_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) && |
409133be | 2424 | manager_is_inhibited(manager, manager->delayed_what, INHIBIT_DELAY, NULL, false, false, 0); |
eecd1362 LP |
2425 | if (delayed) |
2426 | return 0; | |
2427 | ||
877d54e9 LP |
2428 | bus_manager_log_shutdown(manager, manager->delayed_what, manager->delayed_unit); |
2429 | ||
af9792ac LP |
2430 | /* Tell people about it */ |
2431 | send_prepare_for(manager, manager->delayed_what, false); | |
2432 | ||
eecd1362 | 2433 | /* Reset delay data */ |
d889a206 LP |
2434 | unit_name = manager->delayed_unit; |
2435 | manager->delayed_unit = NULL; | |
eecd1362 LP |
2436 | |
2437 | /* Actually do the shutdown */ | |
2438 | dbus_error_init(&error); | |
ee17c928 | 2439 | r = send_start_unit(manager, unit_name, manager->delayed_what & INHIBIT_SLEEP, &error); |
eecd1362 | 2440 | if (r < 0) { |
d889a206 LP |
2441 | log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r)); |
2442 | dbus_error_free(&error); | |
eecd1362 LP |
2443 | return r; |
2444 | } | |
2445 | ||
eecd1362 LP |
2446 | return 1; |
2447 | } |