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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" | |
a5c32cff HH |
36 | #include "fileio-label.h" |
37 | #include "label.h" | |
3f49d45a LP |
38 | |
39 | #define BUS_MANAGER_INTERFACE \ | |
40 | " <interface name=\"org.freedesktop.login1.Manager\">\n" \ | |
bef422ae | 41 | " <method name=\"GetSession\">\n" \ |
3f49d45a | 42 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 43 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 44 | " </method>\n" \ |
c4aa65e7 LP |
45 | " <method name=\"GetSessionByPID\">\n" \ |
46 | " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ | |
47 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ | |
48 | " </method>\n" \ | |
3f49d45a | 49 | " <method name=\"GetUser\">\n" \ |
bef422ae | 50 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
51 | " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ |
52 | " </method>\n" \ | |
bef422ae | 53 | " <method name=\"GetSeat\">\n" \ |
3f49d45a | 54 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 55 | " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 56 | " </method>\n" \ |
bef422ae | 57 | " <method name=\"ListSessions\">\n" \ |
e1c9c2d5 | 58 | " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \ |
3f49d45a LP |
59 | " </method>\n" \ |
60 | " <method name=\"ListUsers\">\n" \ | |
61 | " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \ | |
62 | " </method>\n" \ | |
bef422ae LP |
63 | " <method name=\"ListSeats\">\n" \ |
64 | " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \ | |
3f49d45a LP |
65 | " </method>\n" \ |
66 | " <method name=\"CreateSession\">\n" \ | |
67 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
68 | " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \ | |
4d6d6518 | 69 | " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 70 | " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \ |
55efac6c | 71 | " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 72 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ |
4d6d6518 | 73 | " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
74 | " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \ |
75 | " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \ | |
76 | " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \ | |
77 | " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \ | |
78 | " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \ | |
79 | " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
80 | " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
98a28fef | 81 | " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \ |
3f49d45a LP |
82 | " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \ |
83 | " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \ | |
98a28fef | 84 | " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 85 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
bbc73283 LP |
86 | " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ |
87 | " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ | |
77085881 | 88 | " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \ |
3f49d45a | 89 | " </method>\n" \ |
75c8e3cf LP |
90 | " <method name=\"ReleaseSession\">\n" \ |
91 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
92 | " </method>\n" \ | |
a185c5aa LP |
93 | " <method name=\"ActivateSession\">\n" \ |
94 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
95 | " </method>\n" \ | |
84c3361e LP |
96 | " <method name=\"ActivateSessionOnSeat\">\n" \ |
97 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
98 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
99 | " </method>\n" \ | |
88e3dc90 LP |
100 | " <method name=\"LockSession\">\n" \ |
101 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
102 | " </method>\n" \ | |
103 | " <method name=\"UnlockSession\">\n" \ | |
104 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
105 | " </method>\n" \ | |
fa2b196d | 106 | " <method name=\"LockSessions\"/>\n" \ |
b6160029 | 107 | " <method name=\"UnlockSessions\"/>\n" \ |
de07ab16 LP |
108 | " <method name=\"KillSession\">\n" \ |
109 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
cae5846b LP |
110 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ |
111 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ | |
de07ab16 LP |
112 | " </method>\n" \ |
113 | " <method name=\"KillUser\">\n" \ | |
114 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
cae5846b | 115 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ |
de07ab16 | 116 | " </method>\n" \ |
3f49d45a LP |
117 | " <method name=\"TerminateSession\">\n" \ |
118 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
119 | " </method>\n" \ | |
120 | " <method name=\"TerminateUser\">\n" \ | |
bef422ae | 121 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
122 | " </method>\n" \ |
123 | " <method name=\"TerminateSeat\">\n" \ | |
124 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
125 | " </method>\n" \ | |
7f7bb946 LP |
126 | " <method name=\"SetUserLinger\">\n" \ |
127 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
128 | " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \ | |
129 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
130 | " </method>\n" \ | |
47a26690 LP |
131 | " <method name=\"AttachDevice\">\n" \ |
132 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
133 | " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \ | |
134 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
135 | " </method>\n" \ | |
b668e064 LP |
136 | " <method name=\"FlushDevices\">\n" \ |
137 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
138 | " </method>\n" \ | |
55af3897 LP |
139 | " <method name=\"PowerOff\">\n" \ |
140 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
141 | " </method>\n" \ | |
142 | " <method name=\"Reboot\">\n" \ | |
143 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
144 | " </method>\n" \ | |
d889a206 LP |
145 | " <method name=\"Suspend\">\n" \ |
146 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
147 | " </method>\n" \ | |
148 | " <method name=\"Hibernate\">\n" \ | |
149 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
150 | " </method>\n" \ | |
6524990f LP |
151 | " <method name=\"HybridSleep\">\n" \ |
152 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
153 | " </method>\n" \ | |
89f13440 LP |
154 | " <method name=\"CanPowerOff\">\n" \ |
155 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
156 | " </method>\n" \ | |
157 | " <method name=\"CanReboot\">\n" \ | |
158 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
159 | " </method>\n" \ | |
d889a206 LP |
160 | " <method name=\"CanSuspend\">\n" \ |
161 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
162 | " </method>\n" \ | |
163 | " <method name=\"CanHibernate\">\n" \ | |
164 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
165 | " </method>\n" \ | |
6524990f LP |
166 | " <method name=\"CanHybridSleep\">\n" \ |
167 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
168 | " </method>\n" \ | |
f8e2fb7b LP |
169 | " <method name=\"Inhibit\">\n" \ |
170 | " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \ | |
171 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ | |
172 | " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \ | |
eecd1362 | 173 | " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
f8e2fb7b LP |
174 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
175 | " </method>\n" \ | |
176 | " <method name=\"ListInhibitors\">\n" \ | |
eecd1362 | 177 | " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \ |
f8e2fb7b | 178 | " </method>\n" \ |
3f49d45a LP |
179 | " <signal name=\"SessionNew\">\n" \ |
180 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
181 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
182 | " </signal>\n" \ | |
183 | " <signal name=\"SessionRemoved\">\n" \ | |
184 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
185 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
186 | " </signal>\n" \ | |
187 | " <signal name=\"UserNew\">\n" \ | |
188 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
189 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
190 | " </signal>\n" \ | |
191 | " <signal name=\"UserRemoved\">\n" \ | |
192 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
193 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
194 | " </signal>\n" \ | |
195 | " <signal name=\"SeatNew\">\n" \ | |
196 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
197 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
198 | " </signal>\n" \ | |
199 | " <signal name=\"SeatRemoved\">\n" \ | |
200 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
201 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
202 | " </signal>\n" \ | |
eecd1362 LP |
203 | " <signal name=\"PrepareForShutdown\">\n" \ |
204 | " <arg name=\"active\" type=\"b\"/>\n" \ | |
205 | " </signal>\n" \ | |
d889a206 LP |
206 | " <signal name=\"PrepareForSleep\">\n" \ |
207 | " <arg name=\"active\" type=\"b\"/>\n" \ | |
208 | " </signal>\n" \ | |
3f49d45a LP |
209 | " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \ |
210 | " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \ | |
211 | " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \ | |
212 | " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \ | |
213 | " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \ | |
214 | " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \ | |
215 | " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \ | |
a185c5aa LP |
216 | " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ |
217 | " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ | |
218 | " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ | |
eecd1362 LP |
219 | " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \ |
220 | " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \ | |
221 | " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \ | |
069cfc85 | 222 | " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \ |
8e7fd6ad LP |
223 | " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \ |
224 | " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \ | |
069cfc85 | 225 | " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \ |
23406ce5 LP |
226 | " <property name=\"IdleAction\" type=\"s\" access=\"read\"/>\n" \ |
227 | " <property name=\"IdleActionUSec\" type=\"t\" access=\"read\"/>\n" \ | |
5e4a79da LP |
228 | " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \ |
229 | " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \ | |
3f49d45a LP |
230 | " </interface>\n" |
231 | ||
232 | #define INTROSPECTION_BEGIN \ | |
233 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ | |
234 | "<node>\n" \ | |
235 | BUS_MANAGER_INTERFACE \ | |
236 | BUS_PROPERTIES_INTERFACE \ | |
237 | BUS_PEER_INTERFACE \ | |
238 | BUS_INTROSPECTABLE_INTERFACE | |
239 | ||
240 | #define INTROSPECTION_END \ | |
241 | "</node>\n" | |
242 | ||
243 | #define INTERFACES_LIST \ | |
244 | BUS_GENERIC_INTERFACES_LIST \ | |
245 | "org.freedesktop.login1.Manager\0" | |
246 | ||
a185c5aa LP |
247 | static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { |
248 | Manager *m = data; | |
77527da0 | 249 | dbus_bool_t b; |
a185c5aa LP |
250 | |
251 | assert(i); | |
252 | assert(property); | |
253 | assert(m); | |
254 | ||
77527da0 | 255 | b = manager_get_idle_hint(m, NULL) > 0; |
a185c5aa LP |
256 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) |
257 | return -ENOMEM; | |
258 | ||
259 | return 0; | |
260 | } | |
261 | ||
262 | static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { | |
263 | Manager *m = data; | |
264 | dual_timestamp t; | |
265 | uint64_t u; | |
266 | ||
267 | assert(i); | |
268 | assert(property); | |
269 | assert(m); | |
270 | ||
271 | manager_get_idle_hint(m, &t); | |
272 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; | |
273 | ||
274 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) | |
275 | return -ENOMEM; | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
f8e2fb7b LP |
280 | static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) { |
281 | Manager *m = data; | |
282 | InhibitWhat w; | |
283 | const char *p; | |
284 | ||
eecd1362 | 285 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b LP |
286 | p = inhibit_what_to_string(w); |
287 | ||
288 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p)) | |
289 | return -ENOMEM; | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
5e4a79da LP |
294 | static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) { |
295 | Manager *m = data; | |
296 | dbus_bool_t b; | |
297 | ||
298 | assert(i); | |
299 | assert(property); | |
300 | ||
301 | if (streq(property, "PreparingForShutdown")) | |
314b4b0a | 302 | b = !!(m->action_what & INHIBIT_SHUTDOWN); |
5e4a79da | 303 | else |
314b4b0a | 304 | b = !!(m->action_what & INHIBIT_SLEEP); |
5e4a79da LP |
305 | |
306 | dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b); | |
307 | return 0; | |
308 | } | |
309 | ||
98a28fef | 310 | static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) { |
954449b8 | 311 | const char *type, *class, *cseat, *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; |
954449b8 LP |
314 | _cleanup_strv_free_ char **controllers = NULL, **reset_controllers = NULL; |
315 | _cleanup_free_ char *cgroup = NULL, *id = NULL, *p = NULL; | |
98a28fef | 316 | SessionType t; |
55efac6c | 317 | SessionClass c; |
98a28fef LP |
318 | DBusMessageIter iter; |
319 | int r; | |
4d6d6518 | 320 | uint32_t vtnr = 0; |
954449b8 | 321 | _cleanup_close_ int fifo_fd = -1; |
ce0fc5f5 | 322 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
954449b8 LP |
323 | Session *session = NULL; |
324 | User *user = NULL; | |
325 | Seat *seat = NULL; | |
98a28fef LP |
326 | bool b; |
327 | ||
328 | assert(m); | |
329 | assert(message); | |
330 | assert(_reply); | |
331 | ||
332 | if (!dbus_message_iter_init(message, &iter) || | |
333 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
334 | return -EINVAL; | |
335 | ||
336 | dbus_message_iter_get_basic(&iter, &uid); | |
337 | ||
338 | if (!dbus_message_iter_next(&iter) || | |
339 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
340 | return -EINVAL; | |
341 | ||
342 | dbus_message_iter_get_basic(&iter, &leader); | |
343 | ||
344 | if (leader <= 0 || | |
345 | !dbus_message_iter_next(&iter) || | |
346 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
347 | return -EINVAL; | |
348 | ||
349 | dbus_message_iter_get_basic(&iter, &service); | |
350 | ||
351 | if (!dbus_message_iter_next(&iter) || | |
352 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
353 | return -EINVAL; | |
354 | ||
355 | dbus_message_iter_get_basic(&iter, &type); | |
356 | t = session_type_from_string(type); | |
357 | ||
358 | if (t < 0 || | |
359 | !dbus_message_iter_next(&iter) || | |
360 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
361 | return -EINVAL; | |
362 | ||
55efac6c LP |
363 | dbus_message_iter_get_basic(&iter, &class); |
364 | if (isempty(class)) | |
365 | c = SESSION_USER; | |
366 | else | |
367 | c = session_class_from_string(class); | |
368 | ||
369 | if (c < 0 || | |
370 | !dbus_message_iter_next(&iter) || | |
371 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
372 | return -EINVAL; | |
373 | ||
954449b8 | 374 | dbus_message_iter_get_basic(&iter, &cseat); |
98a28fef | 375 | |
954449b8 LP |
376 | if (isempty(cseat)) |
377 | seat = NULL; | |
98a28fef | 378 | else { |
954449b8 LP |
379 | seat = hashmap_get(m->seats, cseat); |
380 | if (!seat) | |
98a28fef LP |
381 | return -ENOENT; |
382 | } | |
383 | ||
4d6d6518 LP |
384 | if (!dbus_message_iter_next(&iter) || |
385 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
386 | return -EINVAL; | |
387 | ||
388 | dbus_message_iter_get_basic(&iter, &vtnr); | |
389 | ||
98a28fef LP |
390 | if (!dbus_message_iter_next(&iter) || |
391 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
392 | return -EINVAL; | |
393 | ||
394 | dbus_message_iter_get_basic(&iter, &tty); | |
395 | ||
396 | if (tty_is_vc(tty)) { | |
4d6d6518 | 397 | int v; |
98a28fef | 398 | |
954449b8 LP |
399 | if (!seat) |
400 | seat = m->vtconsole; | |
401 | else if (seat != m->vtconsole) | |
98a28fef LP |
402 | return -EINVAL; |
403 | ||
4d6d6518 LP |
404 | v = vtnr_from_tty(tty); |
405 | ||
406 | if (v <= 0) | |
407 | return v < 0 ? v : -EINVAL; | |
98a28fef LP |
408 | |
409 | if (vtnr <= 0) | |
4d6d6518 LP |
410 | vtnr = (uint32_t) v; |
411 | else if (vtnr != (uint32_t) v) | |
412 | return -EINVAL; | |
d1122ad5 LP |
413 | } else if (tty_is_console(tty)) { |
414 | ||
954449b8 LP |
415 | if (!seat) |
416 | seat = m->vtconsole; | |
417 | else if (seat != m->vtconsole) | |
d1122ad5 LP |
418 | return -EINVAL; |
419 | ||
420 | if (vtnr != 0) | |
421 | return -EINVAL; | |
978cf3c7 | 422 | } |
98a28fef | 423 | |
954449b8 LP |
424 | if (seat) { |
425 | if (seat_can_multi_session(seat)) { | |
d1122ad5 | 426 | if (vtnr > 63) |
4d6d6518 LP |
427 | return -EINVAL; |
428 | } else { | |
d1122ad5 | 429 | if (vtnr != 0) |
4d6d6518 LP |
430 | return -EINVAL; |
431 | } | |
432 | } | |
433 | ||
98a28fef LP |
434 | if (!dbus_message_iter_next(&iter) || |
435 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
436 | return -EINVAL; | |
437 | ||
438 | dbus_message_iter_get_basic(&iter, &display); | |
439 | ||
440 | if (!dbus_message_iter_next(&iter) || | |
441 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) | |
442 | return -EINVAL; | |
443 | ||
444 | dbus_message_iter_get_basic(&iter, &remote); | |
445 | ||
446 | if (!dbus_message_iter_next(&iter) || | |
447 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
448 | return -EINVAL; | |
449 | ||
450 | dbus_message_iter_get_basic(&iter, &remote_user); | |
451 | ||
452 | if (!dbus_message_iter_next(&iter) || | |
453 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
454 | return -EINVAL; | |
455 | ||
456 | dbus_message_iter_get_basic(&iter, &remote_host); | |
457 | ||
458 | if (!dbus_message_iter_next(&iter) || | |
459 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
460 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) | |
461 | return -EINVAL; | |
462 | ||
463 | r = bus_parse_strv_iter(&iter, &controllers); | |
464 | if (r < 0) | |
465 | return -EINVAL; | |
466 | ||
25d93491 LP |
467 | if (strv_contains(controllers, "systemd") || |
468 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
469 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
470 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) { | |
471 | r = -EINVAL; | |
472 | goto fail; | |
473 | } | |
474 | ||
475 | r = bus_parse_strv_iter(&iter, &reset_controllers); | |
476 | if (r < 0) | |
477 | goto fail; | |
478 | ||
25d93491 LP |
479 | if (strv_contains(reset_controllers, "systemd") || |
480 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
481 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { |
482 | r = -EINVAL; | |
483 | goto fail; | |
484 | } | |
485 | ||
486 | dbus_message_iter_get_basic(&iter, &kill_processes); | |
487 | ||
954449b8 | 488 | r = cg_pid_get_cgroup(leader, NULL, &cgroup); |
98a28fef LP |
489 | if (r < 0) |
490 | goto fail; | |
491 | ||
954449b8 LP |
492 | r = manager_get_session_by_cgroup(m, cgroup, &session); |
493 | if (r < 0) | |
494 | goto fail; | |
98a28fef | 495 | |
954449b8 LP |
496 | if (session) { |
497 | fifo_fd = session_create_fifo(session); | |
498 | if (fifo_fd < 0) { | |
499 | r = fifo_fd; | |
07714753 LP |
500 | goto fail; |
501 | } | |
98a28fef | 502 | |
954449b8 LP |
503 | /* Session already exists, client is probably |
504 | * something like "su" which changes uid but | |
505 | * is still the same audit session */ | |
21c390cc | 506 | |
954449b8 LP |
507 | reply = dbus_message_new_method_return(message); |
508 | if (!reply) { | |
509 | r = -ENOMEM; | |
510 | goto fail; | |
511 | } | |
21c390cc | 512 | |
954449b8 LP |
513 | p = session_bus_path(session); |
514 | if (!p) { | |
515 | r = -ENOMEM; | |
516 | goto fail; | |
517 | } | |
932e3ee7 | 518 | |
954449b8 LP |
519 | cseat = session->seat ? session->seat->id : ""; |
520 | vtnr = session->vtnr; | |
521 | exists = true; | |
522 | ||
523 | b = dbus_message_append_args( | |
524 | reply, | |
525 | DBUS_TYPE_STRING, &session->id, | |
526 | DBUS_TYPE_OBJECT_PATH, &p, | |
527 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
528 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
529 | DBUS_TYPE_STRING, &cseat, | |
530 | DBUS_TYPE_UINT32, &vtnr, | |
531 | DBUS_TYPE_BOOLEAN, &exists, | |
532 | DBUS_TYPE_INVALID); | |
533 | if (!b) { | |
534 | r = -ENOMEM; | |
535 | goto fail; | |
536 | } | |
21c390cc | 537 | |
954449b8 | 538 | *_reply = reply; |
ce0fc5f5 | 539 | reply = NULL; |
21c390cc | 540 | |
954449b8 LP |
541 | return 0; |
542 | } | |
21c390cc | 543 | |
954449b8 LP |
544 | audit_session_from_pid(leader, &audit_id); |
545 | if (audit_id > 0) { | |
546 | /* Keep our session IDs and the audit session IDs in sync */ | |
21c390cc | 547 | |
954449b8 LP |
548 | if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) { |
549 | r = -ENOMEM; | |
550 | goto fail; | |
551 | } | |
21c390cc | 552 | |
954449b8 LP |
553 | /* Wut? There's already a session by this name and we |
554 | * didn't find it above? Weird, then let's not trust | |
555 | * the audit data and let's better register a new | |
556 | * ID */ | |
557 | if (hashmap_get(m->sessions, id)) { | |
558 | audit_id = 0; | |
8ea913b2 | 559 | |
954449b8 LP |
560 | free(id); |
561 | id = NULL; | |
07714753 | 562 | } |
954449b8 | 563 | } |
07714753 | 564 | |
954449b8 | 565 | if (!id) { |
07714753 LP |
566 | do { |
567 | free(id); | |
f8e2fb7b | 568 | id = NULL; |
07714753 | 569 | |
f8e2fb7b | 570 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { |
07714753 LP |
571 | r = -ENOMEM; |
572 | goto fail; | |
573 | } | |
574 | ||
575 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
576 | } |
577 | ||
954449b8 LP |
578 | r = manager_add_user_by_uid(m, uid, &user); |
579 | if (r < 0) | |
580 | goto fail; | |
581 | ||
98a28fef | 582 | r = manager_add_session(m, user, id, &session); |
98a28fef LP |
583 | if (r < 0) |
584 | goto fail; | |
585 | ||
586 | session->leader = leader; | |
587 | session->audit_id = audit_id; | |
588 | session->type = t; | |
55efac6c | 589 | session->class = c; |
98a28fef LP |
590 | session->remote = remote; |
591 | session->controllers = controllers; | |
592 | session->reset_controllers = reset_controllers; | |
593 | session->kill_processes = kill_processes; | |
594 | session->vtnr = vtnr; | |
595 | ||
596 | controllers = reset_controllers = NULL; | |
597 | ||
598 | if (!isempty(tty)) { | |
599 | session->tty = strdup(tty); | |
600 | if (!session->tty) { | |
601 | r = -ENOMEM; | |
602 | goto fail; | |
603 | } | |
604 | } | |
605 | ||
606 | if (!isempty(display)) { | |
607 | session->display = strdup(display); | |
608 | if (!session->display) { | |
609 | r = -ENOMEM; | |
610 | goto fail; | |
611 | } | |
612 | } | |
613 | ||
614 | if (!isempty(remote_user)) { | |
615 | session->remote_user = strdup(remote_user); | |
616 | if (!session->remote_user) { | |
617 | r = -ENOMEM; | |
618 | goto fail; | |
619 | } | |
620 | } | |
621 | ||
622 | if (!isempty(remote_host)) { | |
623 | session->remote_host = strdup(remote_host); | |
624 | if (!session->remote_host) { | |
625 | r = -ENOMEM; | |
626 | goto fail; | |
627 | } | |
628 | } | |
629 | ||
630 | if (!isempty(service)) { | |
631 | session->service = strdup(service); | |
632 | if (!session->service) { | |
633 | r = -ENOMEM; | |
634 | goto fail; | |
635 | } | |
636 | } | |
637 | ||
932e3ee7 LP |
638 | fifo_fd = session_create_fifo(session); |
639 | if (fifo_fd < 0) { | |
640 | r = fifo_fd; | |
98a28fef LP |
641 | goto fail; |
642 | } | |
643 | ||
954449b8 LP |
644 | if (seat) { |
645 | r = seat_attach_session(seat, session); | |
98a28fef LP |
646 | if (r < 0) |
647 | goto fail; | |
648 | } | |
649 | ||
650 | r = session_start(session); | |
651 | if (r < 0) | |
652 | goto fail; | |
653 | ||
654 | reply = dbus_message_new_method_return(message); | |
655 | if (!reply) { | |
656 | r = -ENOMEM; | |
657 | goto fail; | |
658 | } | |
659 | ||
660 | p = session_bus_path(session); | |
661 | if (!p) { | |
662 | r = -ENOMEM; | |
663 | goto fail; | |
664 | } | |
665 | ||
954449b8 | 666 | cseat = seat ? seat->id : ""; |
77085881 | 667 | exists = false; |
98a28fef LP |
668 | b = dbus_message_append_args( |
669 | reply, | |
670 | DBUS_TYPE_STRING, &session->id, | |
671 | DBUS_TYPE_OBJECT_PATH, &p, | |
672 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 673 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
954449b8 | 674 | DBUS_TYPE_STRING, &cseat, |
bbc73283 | 675 | DBUS_TYPE_UINT32, &vtnr, |
77085881 | 676 | DBUS_TYPE_BOOLEAN, &exists, |
98a28fef | 677 | DBUS_TYPE_INVALID); |
98a28fef LP |
678 | |
679 | if (!b) { | |
680 | r = -ENOMEM; | |
681 | goto fail; | |
682 | } | |
683 | ||
98a28fef | 684 | *_reply = reply; |
ce0fc5f5 | 685 | reply = NULL; |
98a28fef LP |
686 | |
687 | return 0; | |
688 | ||
689 | fail: | |
98a28fef LP |
690 | if (session) |
691 | session_add_to_gc_queue(session); | |
692 | ||
693 | if (user) | |
694 | user_add_to_gc_queue(user); | |
695 | ||
98a28fef LP |
696 | return r; |
697 | } | |
698 | ||
314b4b0a LP |
699 | static int bus_manager_inhibit( |
700 | Manager *m, | |
701 | DBusConnection *connection, | |
702 | DBusMessage *message, | |
703 | DBusError *error, | |
704 | DBusMessage **_reply) { | |
705 | ||
f8e2fb7b LP |
706 | Inhibitor *i = NULL; |
707 | char *id = NULL; | |
eecd1362 | 708 | const char *who, *why, *what, *mode; |
f8e2fb7b LP |
709 | pid_t pid; |
710 | InhibitWhat w; | |
eecd1362 | 711 | InhibitMode mm; |
f8e2fb7b LP |
712 | unsigned long ul; |
713 | int r, fifo_fd = -1; | |
ce0fc5f5 | 714 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
f8e2fb7b LP |
715 | |
716 | assert(m); | |
717 | assert(connection); | |
718 | assert(message); | |
719 | assert(error); | |
720 | assert(_reply); | |
721 | ||
722 | if (!dbus_message_get_args( | |
723 | message, | |
724 | error, | |
725 | DBUS_TYPE_STRING, &what, | |
726 | DBUS_TYPE_STRING, &who, | |
727 | DBUS_TYPE_STRING, &why, | |
eecd1362 | 728 | DBUS_TYPE_STRING, &mode, |
f8e2fb7b LP |
729 | DBUS_TYPE_INVALID)) { |
730 | r = -EIO; | |
731 | goto fail; | |
732 | } | |
733 | ||
734 | w = inhibit_what_from_string(what); | |
735 | if (w <= 0) { | |
736 | r = -EINVAL; | |
737 | goto fail; | |
738 | } | |
739 | ||
eecd1362 LP |
740 | mm = inhibit_mode_from_string(mode); |
741 | if (mm < 0) { | |
742 | r = -EINVAL; | |
743 | goto fail; | |
744 | } | |
745 | ||
beaafb2e LP |
746 | /* Delay is only supported for shutdown/sleep */ |
747 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { | |
748 | r = -EINVAL; | |
749 | goto fail; | |
750 | } | |
751 | ||
314b4b0a LP |
752 | /* Don't allow taking delay locks while we are already |
753 | * executing the operation. We shouldn't create the impression | |
754 | * that the lock was successful if the machine is about to go | |
755 | * down/suspend any moment. */ | |
756 | if (m->action_what & w) { | |
757 | r = -EALREADY; | |
758 | goto fail; | |
759 | } | |
760 | ||
eecd1362 | 761 | r = verify_polkit(connection, message, |
8e7fd6ad LP |
762 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : |
763 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
764 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
765 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
766 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
767 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
768 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
b14eda96 | 769 | false, NULL, error); |
f8e2fb7b LP |
770 | if (r < 0) |
771 | goto fail; | |
772 | ||
773 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); | |
774 | if (ul == (unsigned long) -1) { | |
775 | r = -EIO; | |
776 | goto fail; | |
777 | } | |
778 | ||
779 | pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); | |
780 | if (pid <= 0) { | |
781 | r = -EIO; | |
782 | goto fail; | |
783 | } | |
784 | ||
785 | do { | |
786 | free(id); | |
787 | id = NULL; | |
788 | ||
789 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { | |
790 | r = -ENOMEM; | |
791 | goto fail; | |
792 | } | |
793 | } while (hashmap_get(m->inhibitors, id)); | |
794 | ||
795 | r = manager_add_inhibitor(m, id, &i); | |
796 | free(id); | |
797 | ||
798 | if (r < 0) | |
799 | goto fail; | |
800 | ||
801 | i->what = w; | |
eecd1362 | 802 | i->mode = mm; |
f8e2fb7b LP |
803 | i->pid = pid; |
804 | i->uid = (uid_t) ul; | |
805 | i->why = strdup(why); | |
806 | i->who = strdup(who); | |
807 | ||
808 | if (!i->why || !i->who) { | |
809 | r = -ENOMEM; | |
810 | goto fail; | |
811 | } | |
812 | ||
813 | fifo_fd = inhibitor_create_fifo(i); | |
814 | if (fifo_fd < 0) { | |
815 | r = fifo_fd; | |
816 | goto fail; | |
817 | } | |
818 | ||
819 | reply = dbus_message_new_method_return(message); | |
820 | if (!reply) { | |
821 | r = -ENOMEM; | |
822 | goto fail; | |
823 | } | |
824 | ||
825 | if (!dbus_message_append_args( | |
826 | reply, | |
827 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
828 | DBUS_TYPE_INVALID)) { | |
829 | r = -ENOMEM; | |
830 | goto fail; | |
831 | } | |
832 | ||
833 | close_nointr_nofail(fifo_fd); | |
834 | *_reply = reply; | |
ce0fc5f5 | 835 | reply = NULL; |
f8e2fb7b LP |
836 | |
837 | inhibitor_start(i); | |
838 | ||
839 | return 0; | |
840 | ||
841 | fail: | |
842 | if (i) | |
843 | inhibitor_free(i); | |
844 | ||
845 | if (fifo_fd >= 0) | |
846 | close_nointr_nofail(fifo_fd); | |
847 | ||
f8e2fb7b LP |
848 | return r; |
849 | } | |
850 | ||
2eb916cd | 851 | static int trigger_device(Manager *m, struct udev_device *d) { |
b668e064 LP |
852 | struct udev_enumerate *e; |
853 | struct udev_list_entry *first, *item; | |
854 | int r; | |
855 | ||
856 | assert(m); | |
857 | ||
858 | e = udev_enumerate_new(m->udev); | |
859 | if (!e) { | |
860 | r = -ENOMEM; | |
861 | goto finish; | |
862 | } | |
863 | ||
2eb916cd LP |
864 | if (d) { |
865 | if (udev_enumerate_add_match_parent(e, d) < 0) { | |
866 | r = -EIO; | |
867 | goto finish; | |
868 | } | |
869 | } | |
870 | ||
b668e064 LP |
871 | if (udev_enumerate_scan_devices(e) < 0) { |
872 | r = -EIO; | |
873 | goto finish; | |
874 | } | |
875 | ||
876 | first = udev_enumerate_get_list_entry(e); | |
877 | udev_list_entry_foreach(item, first) { | |
878 | char *t; | |
879 | const char *p; | |
880 | ||
881 | p = udev_list_entry_get_name(item); | |
882 | ||
b668e064 LP |
883 | t = strappend(p, "/uevent"); |
884 | if (!t) { | |
885 | r = -ENOMEM; | |
886 | goto finish; | |
887 | } | |
888 | ||
574d5f2d | 889 | write_string_file(t, "change"); |
b668e064 LP |
890 | free(t); |
891 | } | |
892 | ||
893 | r = 0; | |
894 | ||
895 | finish: | |
896 | if (e) | |
897 | udev_enumerate_unref(e); | |
898 | ||
899 | return r; | |
900 | } | |
901 | ||
47a26690 LP |
902 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
903 | struct udev_device *d; | |
4654e558 | 904 | char _cleanup_free_ *rule = NULL, *file = NULL; |
c28fa3d3 | 905 | const char *id_for_seat; |
47a26690 LP |
906 | int r; |
907 | ||
908 | assert(m); | |
909 | assert(seat); | |
910 | assert(sysfs); | |
911 | ||
912 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
913 | if (!d) | |
914 | return -ENODEV; | |
915 | ||
309c2a2c | 916 | if (!udev_device_has_tag(d, "seat")) { |
47a26690 LP |
917 | r = -ENODEV; |
918 | goto finish; | |
919 | } | |
920 | ||
c28fa3d3 LP |
921 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
922 | if (!id_for_seat) { | |
47a26690 LP |
923 | r = -ENODEV; |
924 | goto finish; | |
925 | } | |
926 | ||
c28fa3d3 | 927 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { |
47a26690 LP |
928 | r = -ENOMEM; |
929 | goto finish; | |
930 | } | |
931 | ||
c28fa3d3 | 932 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { |
47a26690 LP |
933 | r = -ENOMEM; |
934 | goto finish; | |
935 | } | |
936 | ||
d2e54fae | 937 | mkdir_p_label("/etc/udev/rules.d", 0755); |
a5c32cff | 938 | label_init("/etc"); |
574d5f2d | 939 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 LP |
940 | if (r < 0) |
941 | goto finish; | |
942 | ||
2eb916cd | 943 | r = trigger_device(m, d); |
47a26690 LP |
944 | |
945 | finish: | |
47a26690 LP |
946 | if (d) |
947 | udev_device_unref(d); | |
948 | ||
949 | return r; | |
950 | } | |
951 | ||
b668e064 | 952 | static int flush_devices(Manager *m) { |
4654e558 | 953 | DIR _cleanup_closedir_ *d; |
b668e064 LP |
954 | |
955 | assert(m); | |
956 | ||
957 | d = opendir("/etc/udev/rules.d"); | |
958 | if (!d) { | |
959 | if (errno != ENOENT) | |
960 | log_warning("Failed to open /etc/udev/rules.d: %m"); | |
961 | } else { | |
962 | struct dirent *de; | |
963 | ||
964 | while ((de = readdir(d))) { | |
965 | ||
966 | if (!dirent_is_file(de)) | |
967 | continue; | |
968 | ||
969 | if (!startswith(de->d_name, "72-seat-")) | |
970 | continue; | |
971 | ||
972 | if (!endswith(de->d_name, ".rules")) | |
973 | continue; | |
974 | ||
975 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
976 | log_warning("Failed to unlink %s: %m", de->d_name); | |
977 | } | |
b668e064 LP |
978 | } |
979 | ||
980 | return trigger_device(m, NULL); | |
981 | } | |
982 | ||
89f13440 | 983 | static int have_multiple_sessions( |
89f13440 | 984 | Manager *m, |
409133be | 985 | uid_t uid) { |
89f13440 | 986 | |
2154761f MS |
987 | Session *session; |
988 | Iterator i; | |
89f13440 LP |
989 | |
990 | assert(m); | |
991 | ||
1ca04b87 LP |
992 | /* Check for other users' sessions. Greeter sessions do not |
993 | * count, and non-login sessions do not count either. */ | |
2154761f | 994 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 LP |
995 | if (session->class == SESSION_USER && |
996 | (session->type == SESSION_TTY || session->type == SESSION_X11) && | |
997 | session->user->uid != uid) | |
2154761f | 998 | return true; |
89f13440 LP |
999 | |
1000 | return false; | |
1001 | } | |
1002 | ||
314b4b0a LP |
1003 | static int bus_manager_log_shutdown( |
1004 | Manager *m, | |
1005 | InhibitWhat w, | |
1006 | const char *unit_name) { | |
1007 | ||
1008 | const char *p, *q; | |
1009 | ||
1010 | assert(m); | |
1011 | assert(unit_name); | |
1012 | ||
1013 | if (w != INHIBIT_SHUTDOWN) | |
1014 | return 0; | |
1015 | ||
1016 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { | |
1017 | p = "MESSAGE=System is powering down."; | |
1018 | q = "SHUTDOWN=power-off"; | |
1019 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { | |
1020 | p = "MESSAGE=System is halting."; | |
1021 | q = "SHUTDOWN=halt"; | |
1022 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { | |
1023 | p = "MESSAGE=System is rebooting."; | |
1024 | q = "SHUTDOWN=reboot"; | |
1025 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { | |
1026 | p = "MESSAGE=System is rebooting with kexec."; | |
1027 | q = "SHUTDOWN=kexec"; | |
1028 | } else { | |
1029 | p = "MESSAGE=System is shutting down."; | |
1030 | q = NULL; | |
1031 | } | |
1032 | ||
1033 | return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), | |
1034 | p, | |
1035 | q, NULL); | |
1036 | } | |
1037 | ||
1038 | static int execute_shutdown_or_sleep( | |
1039 | Manager *m, | |
1040 | InhibitWhat w, | |
1041 | const char *unit_name, | |
1042 | DBusError *error) { | |
1043 | ||
af9792ac | 1044 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
b85bddda | 1045 | const char *mode = "replace-irreversibly", *p; |
af9792ac LP |
1046 | int r; |
1047 | char *c; | |
eecd1362 | 1048 | |
af9792ac | 1049 | assert(m); |
314b4b0a LP |
1050 | assert(w >= 0); |
1051 | assert(w < _INHIBIT_WHAT_MAX); | |
d889a206 | 1052 | assert(unit_name); |
eecd1362 | 1053 | |
314b4b0a LP |
1054 | bus_manager_log_shutdown(m, w, unit_name); |
1055 | ||
af9792ac LP |
1056 | r = bus_method_call_with_reply( |
1057 | m->bus, | |
eecd1362 LP |
1058 | "org.freedesktop.systemd1", |
1059 | "/org/freedesktop/systemd1", | |
1060 | "org.freedesktop.systemd1.Manager", | |
b9c26b41 | 1061 | "StartUnit", |
af9792ac LP |
1062 | &reply, |
1063 | error, | |
b9c26b41 SP |
1064 | DBUS_TYPE_STRING, &unit_name, |
1065 | DBUS_TYPE_STRING, &mode, | |
1066 | DBUS_TYPE_INVALID); | |
af9792ac LP |
1067 | if (r < 0) |
1068 | return r; | |
1069 | ||
1070 | if (!dbus_message_get_args( | |
1071 | reply, | |
1072 | error, | |
1073 | DBUS_TYPE_OBJECT_PATH, &p, | |
1074 | DBUS_TYPE_INVALID)) | |
1075 | return -EINVAL; | |
1076 | ||
1077 | c = strdup(p); | |
1078 | if (!c) | |
1079 | return -ENOMEM; | |
1080 | ||
314b4b0a | 1081 | m->action_unit = unit_name; |
af9792ac LP |
1082 | free(m->action_job); |
1083 | m->action_job = c; | |
314b4b0a | 1084 | m->action_what = w; |
af9792ac LP |
1085 | |
1086 | return 0; | |
eecd1362 LP |
1087 | } |
1088 | ||
314b4b0a LP |
1089 | static int delay_shutdown_or_sleep( |
1090 | Manager *m, | |
1091 | InhibitWhat w, | |
1092 | const char *unit_name) { | |
eecd1362 | 1093 | |
eecd1362 | 1094 | assert(m); |
d889a206 LP |
1095 | assert(w >= 0); |
1096 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1097 | assert(unit_name); |
eecd1362 | 1098 | |
314b4b0a LP |
1099 | m->action_timestamp = now(CLOCK_MONOTONIC); |
1100 | m->action_unit = unit_name; | |
1101 | m->action_what = w; | |
d889a206 LP |
1102 | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | static int bus_manager_can_shutdown_or_sleep( | |
1107 | Manager *m, | |
1108 | DBusConnection *connection, | |
1109 | DBusMessage *message, | |
1110 | InhibitWhat w, | |
1111 | const char *action, | |
1112 | const char *action_multiple_sessions, | |
1113 | const char *action_ignore_inhibit, | |
1114 | const char *sleep_type, | |
6524990f | 1115 | const char *sleep_disk_type, |
d889a206 LP |
1116 | DBusError *error, |
1117 | DBusMessage **_reply) { | |
1118 | ||
1119 | bool multiple_sessions, challenge, blocked, b; | |
1120 | const char *result; | |
ce0fc5f5 | 1121 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
d889a206 | 1122 | int r; |
409133be | 1123 | unsigned long ul; |
d889a206 LP |
1124 | |
1125 | assert(m); | |
1126 | assert(connection); | |
1127 | assert(message); | |
1128 | assert(w >= 0); | |
1129 | assert(w <= _INHIBIT_WHAT_MAX); | |
1130 | assert(action); | |
1131 | assert(action_multiple_sessions); | |
1132 | assert(action_ignore_inhibit); | |
1133 | assert(error); | |
1134 | assert(_reply); | |
1135 | ||
1136 | if (sleep_type) { | |
1137 | r = can_sleep(sleep_type); | |
1138 | if (r < 0) | |
1139 | return r; | |
1140 | ||
398f7c88 MC |
1141 | if (r == 0) { |
1142 | result = "na"; | |
1143 | goto finish; | |
1144 | } | |
d889a206 LP |
1145 | } |
1146 | ||
6524990f LP |
1147 | if (sleep_disk_type) { |
1148 | r = can_sleep_disk(sleep_disk_type); | |
1149 | if (r < 0) | |
1150 | return r; | |
1151 | ||
1152 | if (r == 0) { | |
1153 | result = "na"; | |
1154 | goto finish; | |
1155 | } | |
1156 | } | |
1157 | ||
409133be LP |
1158 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1159 | if (ul == (unsigned long) -1) | |
1160 | return -EIO; | |
1161 | ||
1162 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1163 | if (r < 0) |
1164 | return r; | |
1165 | ||
1166 | multiple_sessions = r > 0; | |
409133be | 1167 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1168 | |
1169 | if (multiple_sessions) { | |
1170 | r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); | |
1171 | if (r < 0) | |
1172 | return r; | |
1173 | ||
1174 | if (r > 0) | |
1175 | result = "yes"; | |
d5a745df LP |
1176 | else if (challenge) |
1177 | result = "challenge"; | |
1178 | else | |
1179 | result = "no"; | |
1180 | } | |
d889a206 LP |
1181 | |
1182 | if (blocked) { | |
1183 | r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); | |
1184 | if (r < 0) | |
1185 | return r; | |
1186 | ||
1187 | if (r > 0 && !result) | |
1188 | result = "yes"; | |
1189 | else if (challenge && (!result || streq(result, "yes"))) | |
1190 | result = "challenge"; | |
1191 | else | |
1192 | result = "no"; | |
1193 | } | |
1194 | ||
1195 | if (!multiple_sessions && !blocked) { | |
1196 | /* If neither inhibit nor multiple sessions | |
1197 | * apply then just check the normal policy */ | |
1198 | ||
1199 | r = verify_polkit(connection, message, action, false, &challenge, error); | |
1200 | if (r < 0) | |
1201 | return r; | |
1202 | ||
1203 | if (r > 0) | |
1204 | result = "yes"; | |
1205 | else if (challenge) | |
1206 | result = "challenge"; | |
1207 | else | |
1208 | result = "no"; | |
1209 | } | |
1210 | ||
1211 | finish: | |
1212 | reply = dbus_message_new_method_return(message); | |
1213 | if (!reply) | |
1214 | return -ENOMEM; | |
1215 | ||
1216 | b = dbus_message_append_args( | |
1217 | reply, | |
1218 | DBUS_TYPE_STRING, &result, | |
1219 | DBUS_TYPE_INVALID); | |
4654e558 | 1220 | if (!b) |
d889a206 | 1221 | return -ENOMEM; |
d889a206 LP |
1222 | |
1223 | *_reply = reply; | |
ce0fc5f5 | 1224 | reply = NULL; |
d889a206 LP |
1225 | return 0; |
1226 | } | |
1227 | ||
314b4b0a LP |
1228 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1229 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1230 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1231 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1232 | }; | |
877d54e9 | 1233 | |
314b4b0a LP |
1234 | dbus_bool_t active = _active; |
1235 | _cleanup_dbus_message_unref_ DBusMessage *message = NULL; | |
877d54e9 LP |
1236 | |
1237 | assert(m); | |
314b4b0a LP |
1238 | assert(w >= 0); |
1239 | assert(w < _INHIBIT_WHAT_MAX); | |
1240 | assert(signal_name[w]); | |
877d54e9 | 1241 | |
314b4b0a LP |
1242 | message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); |
1243 | if (!message) | |
1244 | return -ENOMEM; | |
877d54e9 | 1245 | |
314b4b0a LP |
1246 | if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || |
1247 | !dbus_connection_send(m->bus, message, NULL)) | |
1248 | return -ENOMEM; | |
877d54e9 | 1249 | |
314b4b0a | 1250 | return 0; |
877d54e9 LP |
1251 | } |
1252 | ||
069cfc85 LP |
1253 | int bus_manager_shutdown_or_sleep_now_or_later( |
1254 | Manager *m, | |
1255 | const char *unit_name, | |
1256 | InhibitWhat w, | |
1257 | DBusError *error) { | |
1258 | ||
1259 | bool delayed; | |
1260 | int r; | |
1261 | ||
1262 | assert(m); | |
1263 | assert(unit_name); | |
1264 | assert(w >= 0); | |
1265 | assert(w <= _INHIBIT_WHAT_MAX); | |
af9792ac | 1266 | assert(!m->action_job); |
069cfc85 | 1267 | |
314b4b0a LP |
1268 | /* Tell everybody to prepare for shutdown/sleep */ |
1269 | send_prepare_for(m, w, true); | |
1270 | ||
069cfc85 LP |
1271 | delayed = |
1272 | m->inhibit_delay_max > 0 && | |
409133be | 1273 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); |
069cfc85 LP |
1274 | |
1275 | if (delayed) | |
1276 | /* Shutdown is delayed, keep in mind what we | |
1277 | * want to do, and start a timeout */ | |
1278 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1279 | else |
069cfc85 LP |
1280 | /* Shutdown is not delayed, execute it |
1281 | * immediately */ | |
314b4b0a | 1282 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1283 | |
1284 | return r; | |
1285 | } | |
1286 | ||
d889a206 LP |
1287 | static int bus_manager_do_shutdown_or_sleep( |
1288 | Manager *m, | |
1289 | DBusConnection *connection, | |
1290 | DBusMessage *message, | |
1291 | const char *unit_name, | |
1292 | InhibitWhat w, | |
1293 | const char *action, | |
1294 | const char *action_multiple_sessions, | |
1295 | const char *action_ignore_inhibit, | |
1296 | const char *sleep_type, | |
6524990f | 1297 | const char *sleep_disk_type, |
d889a206 LP |
1298 | DBusError *error, |
1299 | DBusMessage **_reply) { | |
1300 | ||
1301 | dbus_bool_t interactive; | |
069cfc85 | 1302 | bool multiple_sessions, blocked; |
d889a206 LP |
1303 | DBusMessage *reply = NULL; |
1304 | int r; | |
409133be | 1305 | unsigned long ul; |
d889a206 LP |
1306 | |
1307 | assert(m); | |
1308 | assert(connection); | |
1309 | assert(message); | |
1310 | assert(unit_name); | |
1311 | assert(w >= 0); | |
1312 | assert(w <= _INHIBIT_WHAT_MAX); | |
1313 | assert(action); | |
1314 | assert(action_multiple_sessions); | |
1315 | assert(action_ignore_inhibit); | |
1316 | assert(error); | |
1317 | assert(_reply); | |
1318 | ||
314b4b0a LP |
1319 | /* Don't allow multiple jobs being executed at the same time */ |
1320 | if (m->action_what) | |
af9792ac LP |
1321 | return -EALREADY; |
1322 | ||
d889a206 LP |
1323 | if (!dbus_message_get_args( |
1324 | message, | |
1325 | error, | |
1326 | DBUS_TYPE_BOOLEAN, &interactive, | |
1327 | DBUS_TYPE_INVALID)) | |
1328 | return -EINVAL; | |
1329 | ||
1330 | if (sleep_type) { | |
1331 | r = can_sleep(sleep_type); | |
1332 | if (r < 0) | |
1333 | return r; | |
1334 | ||
1335 | if (r == 0) | |
1336 | return -ENOTSUP; | |
1337 | } | |
1338 | ||
6524990f LP |
1339 | if (sleep_disk_type) { |
1340 | r = can_sleep_disk(sleep_disk_type); | |
1341 | if (r < 0) | |
1342 | return r; | |
1343 | ||
1344 | if (r == 0) | |
1345 | return -ENOTSUP; | |
1346 | } | |
1347 | ||
409133be LP |
1348 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1349 | if (ul == (unsigned long) -1) | |
1350 | return -EIO; | |
1351 | ||
1352 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1353 | if (r < 0) |
1354 | return r; | |
1355 | ||
1356 | multiple_sessions = r > 0; | |
409133be | 1357 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1358 | |
1359 | if (multiple_sessions) { | |
1360 | r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); | |
1361 | if (r < 0) | |
1362 | return r; | |
1363 | } | |
1364 | ||
1365 | if (blocked) { | |
1366 | r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); | |
1367 | if (r < 0) | |
1368 | return r; | |
1369 | } | |
1370 | ||
1371 | if (!multiple_sessions && !blocked) { | |
1372 | r = verify_polkit(connection, message, action, interactive, NULL, error); | |
1373 | if (r < 0) | |
1374 | return r; | |
1375 | } | |
1376 | ||
069cfc85 | 1377 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 LP |
1378 | if (r < 0) |
1379 | return r; | |
1380 | ||
1381 | reply = dbus_message_new_method_return(message); | |
1382 | if (!reply) | |
1383 | return -ENOMEM; | |
eecd1362 | 1384 | |
d889a206 | 1385 | *_reply = reply; |
eecd1362 LP |
1386 | return 0; |
1387 | } | |
1388 | ||
23406ce5 | 1389 | static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction); |
069cfc85 | 1390 | |
d200735e MS |
1391 | static const BusProperty bus_login_manager_properties[] = { |
1392 | { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, | |
1393 | { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, | |
1394 | { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true }, | |
1395 | { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, | |
1396 | { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, | |
1397 | { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, | |
1398 | { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, | |
1399 | { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, | |
1400 | { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, | |
1401 | { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, | |
eecd1362 LP |
1402 | { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, |
1403 | { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, | |
1404 | { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, | |
23406ce5 LP |
1405 | { "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) }, |
1406 | { "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) }, | |
1407 | { "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)}, | |
1408 | { "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) }, | |
1409 | { "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) }, | |
1410 | { "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) }, | |
5e4a79da LP |
1411 | { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, |
1412 | { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, | |
d200735e MS |
1413 | { NULL, } |
1414 | }; | |
1415 | ||
3f49d45a LP |
1416 | static DBusHandlerResult manager_message_handler( |
1417 | DBusConnection *connection, | |
1418 | DBusMessage *message, | |
1419 | void *userdata) { | |
1420 | ||
1421 | Manager *m = userdata; | |
1422 | ||
3f49d45a | 1423 | DBusError error; |
ce0fc5f5 | 1424 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
bef422ae | 1425 | int r; |
3f49d45a LP |
1426 | |
1427 | assert(connection); | |
1428 | assert(message); | |
1429 | assert(m); | |
1430 | ||
1431 | dbus_error_init(&error); | |
1432 | ||
bef422ae LP |
1433 | if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { |
1434 | const char *name; | |
1435 | char *p; | |
1436 | Session *session; | |
1437 | bool b; | |
1438 | ||
1439 | if (!dbus_message_get_args( | |
1440 | message, | |
1441 | &error, | |
1442 | DBUS_TYPE_STRING, &name, | |
1443 | DBUS_TYPE_INVALID)) | |
1444 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1445 | ||
1446 | session = hashmap_get(m->sessions, name); | |
1447 | if (!session) | |
1448 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1449 | ||
1450 | reply = dbus_message_new_method_return(message); | |
1451 | if (!reply) | |
1452 | goto oom; | |
1453 | ||
1454 | p = session_bus_path(session); | |
c4aa65e7 LP |
1455 | if (!p) |
1456 | goto oom; | |
1457 | ||
1458 | b = dbus_message_append_args( | |
1459 | reply, | |
1460 | DBUS_TYPE_OBJECT_PATH, &p, | |
1461 | DBUS_TYPE_INVALID); | |
1462 | free(p); | |
1463 | ||
1464 | if (!b) | |
1465 | goto oom; | |
1466 | ||
1467 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { | |
1468 | uint32_t pid; | |
1469 | char *p; | |
1470 | Session *session; | |
1471 | bool b; | |
1472 | ||
1473 | if (!dbus_message_get_args( | |
1474 | message, | |
1475 | &error, | |
1476 | DBUS_TYPE_UINT32, &pid, | |
1477 | DBUS_TYPE_INVALID)) | |
1478 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1479 | ||
1480 | r = manager_get_session_by_pid(m, pid, &session); | |
1481 | if (r <= 0) | |
1482 | return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); | |
1483 | ||
1484 | reply = dbus_message_new_method_return(message); | |
1485 | if (!reply) | |
1486 | goto oom; | |
1487 | ||
1488 | p = session_bus_path(session); | |
bef422ae LP |
1489 | if (!p) |
1490 | goto oom; | |
1491 | ||
1492 | b = dbus_message_append_args( | |
1493 | reply, | |
1494 | DBUS_TYPE_OBJECT_PATH, &p, | |
1495 | DBUS_TYPE_INVALID); | |
1496 | free(p); | |
1497 | ||
1498 | if (!b) | |
1499 | goto oom; | |
1500 | ||
1501 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { | |
1502 | uint32_t uid; | |
1503 | char *p; | |
1504 | User *user; | |
1505 | bool b; | |
1506 | ||
1507 | if (!dbus_message_get_args( | |
1508 | message, | |
1509 | &error, | |
1510 | DBUS_TYPE_UINT32, &uid, | |
1511 | DBUS_TYPE_INVALID)) | |
1512 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1513 | ||
1514 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1515 | if (!user) | |
1516 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1517 | ||
1518 | reply = dbus_message_new_method_return(message); | |
1519 | if (!reply) | |
1520 | goto oom; | |
1521 | ||
1522 | p = user_bus_path(user); | |
1523 | if (!p) | |
1524 | goto oom; | |
1525 | ||
1526 | b = dbus_message_append_args( | |
1527 | reply, | |
1528 | DBUS_TYPE_OBJECT_PATH, &p, | |
1529 | DBUS_TYPE_INVALID); | |
1530 | free(p); | |
1531 | ||
1532 | if (!b) | |
1533 | goto oom; | |
1534 | ||
1535 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { | |
1536 | const char *name; | |
1537 | char *p; | |
1538 | Seat *seat; | |
1539 | bool b; | |
1540 | ||
1541 | if (!dbus_message_get_args( | |
1542 | message, | |
1543 | &error, | |
1544 | DBUS_TYPE_STRING, &name, | |
1545 | DBUS_TYPE_INVALID)) | |
1546 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1547 | ||
1548 | seat = hashmap_get(m->seats, name); | |
1549 | if (!seat) | |
1550 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1551 | ||
1552 | reply = dbus_message_new_method_return(message); | |
1553 | if (!reply) | |
1554 | goto oom; | |
1555 | ||
1556 | p = seat_bus_path(seat); | |
1557 | if (!p) | |
1558 | goto oom; | |
1559 | ||
1560 | b = dbus_message_append_args( | |
1561 | reply, | |
1562 | DBUS_TYPE_OBJECT_PATH, &p, | |
1563 | DBUS_TYPE_INVALID); | |
1564 | free(p); | |
1565 | ||
1566 | if (!b) | |
1567 | goto oom; | |
1568 | ||
e1c9c2d5 LP |
1569 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { |
1570 | char *p; | |
1571 | Session *session; | |
1572 | Iterator i; | |
1573 | DBusMessageIter iter, sub; | |
1574 | const char *empty = ""; | |
1575 | ||
1576 | reply = dbus_message_new_method_return(message); | |
1577 | if (!reply) | |
1578 | goto oom; | |
1579 | ||
1580 | dbus_message_iter_init_append(reply, &iter); | |
1581 | ||
dec15e92 | 1582 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) |
e1c9c2d5 LP |
1583 | goto oom; |
1584 | ||
1585 | HASHMAP_FOREACH(session, m->sessions, i) { | |
1586 | DBusMessageIter sub2; | |
1587 | uint32_t uid; | |
1588 | ||
1589 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1590 | goto oom; | |
1591 | ||
1592 | uid = session->user->uid; | |
1593 | ||
1594 | p = session_bus_path(session); | |
1595 | if (!p) | |
1596 | goto oom; | |
1597 | ||
1598 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || | |
1599 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1600 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || | |
1601 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || | |
1602 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1603 | free(p); | |
1604 | goto oom; | |
1605 | } | |
1606 | ||
1607 | free(p); | |
1608 | ||
1609 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1610 | goto oom; | |
1611 | } | |
1612 | ||
1613 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1614 | goto oom; | |
1615 | ||
1616 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { | |
1617 | char *p; | |
1618 | User *user; | |
1619 | Iterator i; | |
1620 | DBusMessageIter iter, sub; | |
1621 | ||
1622 | reply = dbus_message_new_method_return(message); | |
1623 | if (!reply) | |
1624 | goto oom; | |
1625 | ||
1626 | dbus_message_iter_init_append(reply, &iter); | |
1627 | ||
dec15e92 | 1628 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) |
e1c9c2d5 LP |
1629 | goto oom; |
1630 | ||
1631 | HASHMAP_FOREACH(user, m->users, i) { | |
1632 | DBusMessageIter sub2; | |
1633 | uint32_t uid; | |
1634 | ||
1635 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1636 | goto oom; | |
1637 | ||
1638 | uid = user->uid; | |
1639 | ||
1640 | p = user_bus_path(user); | |
1641 | if (!p) | |
1642 | goto oom; | |
1643 | ||
1644 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1645 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || | |
1646 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1647 | free(p); | |
1648 | goto oom; | |
1649 | } | |
1650 | ||
1651 | free(p); | |
1652 | ||
1653 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1654 | goto oom; | |
1655 | } | |
1656 | ||
1657 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1658 | goto oom; | |
1659 | ||
1660 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { | |
1661 | char *p; | |
1662 | Seat *seat; | |
1663 | Iterator i; | |
1664 | DBusMessageIter iter, sub; | |
1665 | ||
1666 | reply = dbus_message_new_method_return(message); | |
1667 | if (!reply) | |
1668 | goto oom; | |
1669 | ||
1670 | dbus_message_iter_init_append(reply, &iter); | |
1671 | ||
dec15e92 | 1672 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) |
e1c9c2d5 LP |
1673 | goto oom; |
1674 | ||
1675 | HASHMAP_FOREACH(seat, m->seats, i) { | |
1676 | DBusMessageIter sub2; | |
1677 | ||
1678 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1679 | goto oom; | |
1680 | ||
1681 | p = seat_bus_path(seat); | |
1682 | if (!p) | |
1683 | goto oom; | |
1684 | ||
1685 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || | |
1686 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1687 | free(p); | |
1688 | goto oom; | |
1689 | } | |
1690 | ||
1691 | free(p); | |
1692 | ||
1693 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1694 | goto oom; | |
1695 | } | |
1696 | ||
1697 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1698 | goto oom; | |
1699 | ||
f8e2fb7b LP |
1700 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { |
1701 | Inhibitor *inhibitor; | |
1702 | Iterator i; | |
1703 | DBusMessageIter iter, sub; | |
1704 | ||
1705 | reply = dbus_message_new_method_return(message); | |
1706 | if (!reply) | |
1707 | goto oom; | |
1708 | ||
1709 | dbus_message_iter_init_append(reply, &iter); | |
1710 | ||
eecd1362 | 1711 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) |
f8e2fb7b LP |
1712 | goto oom; |
1713 | ||
1714 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
1715 | DBusMessageIter sub2; | |
1716 | dbus_uint32_t uid, pid; | |
eecd1362 | 1717 | const char *what, *who, *why, *mode; |
f8e2fb7b LP |
1718 | |
1719 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1720 | goto oom; | |
1721 | ||
eecd1362 | 1722 | what = strempty(inhibit_what_to_string(inhibitor->what)); |
f8e2fb7b LP |
1723 | who = strempty(inhibitor->who); |
1724 | why = strempty(inhibitor->why); | |
eecd1362 | 1725 | mode = strempty(inhibit_mode_to_string(inhibitor->mode)); |
f8e2fb7b LP |
1726 | uid = (dbus_uint32_t) inhibitor->uid; |
1727 | pid = (dbus_uint32_t) inhibitor->pid; | |
1728 | ||
1729 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || | |
1730 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || | |
1731 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || | |
eecd1362 | 1732 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || |
f8e2fb7b LP |
1733 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || |
1734 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) | |
1735 | goto oom; | |
1736 | ||
1737 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1738 | goto oom; | |
1739 | } | |
1740 | ||
1741 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1742 | goto oom; | |
1743 | ||
1744 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { | |
1745 | ||
1746 | r = bus_manager_inhibit(m, connection, message, &error, &reply); | |
1747 | ||
1748 | if (r < 0) | |
1749 | return bus_send_error_reply(connection, message, &error, r); | |
1750 | ||
1751 | ||
98a28fef LP |
1752 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { |
1753 | ||
1754 | r = bus_manager_create_session(m, message, &reply); | |
688c56ff LP |
1755 | |
1756 | /* Don't delay the work on OOM here, since it might be | |
1757 | * triggered by a low RLIMIT_NOFILE here (since we | |
1758 | * send a dupped fd to the client), and we'd rather | |
1759 | * see this fail quickly then be retried later */ | |
98a28fef LP |
1760 | |
1761 | if (r < 0) | |
f8e2fb7b | 1762 | return bus_send_error_reply(connection, message, NULL, r); |
98a28fef | 1763 | |
75c8e3cf LP |
1764 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { |
1765 | const char *name; | |
1766 | Session *session; | |
1767 | ||
1768 | if (!dbus_message_get_args( | |
1769 | message, | |
1770 | &error, | |
1771 | DBUS_TYPE_STRING, &name, | |
1772 | DBUS_TYPE_INVALID)) | |
1773 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1774 | ||
1775 | session = hashmap_get(m->sessions, name); | |
1776 | if (!session) | |
1777 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1778 | ||
1779 | /* We use the FIFO to detect stray sessions where the | |
1780 | process invoking PAM dies abnormally. We need to make | |
1781 | sure that that process is not killed if at the clean | |
1782 | end of the session it closes the FIFO. Hence, with | |
1783 | this call explicitly turn off the FIFO logic, so that | |
1784 | the PAM code can finish clean up on its own */ | |
1785 | session_remove_fifo(session); | |
1786 | ||
1787 | reply = dbus_message_new_method_return(message); | |
1788 | if (!reply) | |
1789 | goto oom; | |
1790 | ||
bef422ae LP |
1791 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { |
1792 | const char *name; | |
1793 | Session *session; | |
1794 | ||
1795 | if (!dbus_message_get_args( | |
1796 | message, | |
1797 | &error, | |
1798 | DBUS_TYPE_STRING, &name, | |
1799 | DBUS_TYPE_INVALID)) | |
1800 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1801 | ||
1802 | session = hashmap_get(m->sessions, name); | |
1803 | if (!session) | |
1804 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1805 | ||
1806 | r = session_activate(session); | |
1807 | if (r < 0) | |
1808 | return bus_send_error_reply(connection, message, NULL, r); | |
1809 | ||
1810 | reply = dbus_message_new_method_return(message); | |
1811 | if (!reply) | |
1812 | goto oom; | |
1813 | ||
84c3361e LP |
1814 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { |
1815 | const char *session_name, *seat_name; | |
1816 | Session *session; | |
1817 | Seat *seat; | |
1818 | ||
1819 | /* Same as ActivateSession() but refuses to work if | |
1820 | * the seat doesn't match */ | |
1821 | ||
1822 | if (!dbus_message_get_args( | |
1823 | message, | |
1824 | &error, | |
1825 | DBUS_TYPE_STRING, &session_name, | |
1826 | DBUS_TYPE_STRING, &seat_name, | |
1827 | DBUS_TYPE_INVALID)) | |
1828 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1829 | ||
1830 | session = hashmap_get(m->sessions, session_name); | |
1831 | if (!session) | |
1832 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1833 | ||
1834 | seat = hashmap_get(m->seats, seat_name); | |
1835 | if (!seat) | |
1836 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1837 | ||
1838 | if (session->seat != seat) | |
1839 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1840 | ||
1841 | r = session_activate(session); | |
1842 | if (r < 0) | |
1843 | return bus_send_error_reply(connection, message, NULL, r); | |
1844 | ||
1845 | reply = dbus_message_new_method_return(message); | |
1846 | if (!reply) | |
1847 | goto oom; | |
1848 | ||
88e3dc90 LP |
1849 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || |
1850 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { | |
1851 | const char *name; | |
1852 | Session *session; | |
1853 | ||
1854 | if (!dbus_message_get_args( | |
1855 | message, | |
1856 | &error, | |
1857 | DBUS_TYPE_STRING, &name, | |
1858 | DBUS_TYPE_INVALID)) | |
1859 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1860 | ||
1861 | session = hashmap_get(m->sessions, name); | |
1862 | if (!session) | |
7ba64386 | 1863 | return bus_send_error_reply(connection, message, NULL, -ENOENT); |
88e3dc90 LP |
1864 | |
1865 | if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) | |
1866 | goto oom; | |
1867 | ||
1868 | reply = dbus_message_new_method_return(message); | |
1869 | if (!reply) | |
1870 | goto oom; | |
1871 | ||
b6160029 LP |
1872 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions") || |
1873 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSessions")) { | |
1874 | ||
1875 | r = session_send_lock_all(m, streq(dbus_message_get_member(message), "LockSessions")); | |
7ba64386 LP |
1876 | if (r < 0) |
1877 | bus_send_error_reply(connection, message, NULL, r); | |
fa2b196d LP |
1878 | |
1879 | reply = dbus_message_new_method_return(message); | |
1880 | if (!reply) | |
1881 | goto oom; | |
1882 | ||
de07ab16 LP |
1883 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { |
1884 | const char *swho; | |
1885 | int32_t signo; | |
1886 | KillWho who; | |
1887 | const char *name; | |
1888 | Session *session; | |
1889 | ||
1890 | if (!dbus_message_get_args( | |
1891 | message, | |
1892 | &error, | |
1893 | DBUS_TYPE_STRING, &name, | |
1894 | DBUS_TYPE_STRING, &swho, | |
1895 | DBUS_TYPE_INT32, &signo, | |
1896 | DBUS_TYPE_INVALID)) | |
1897 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1898 | ||
1899 | if (isempty(swho)) | |
1900 | who = KILL_ALL; | |
1901 | else { | |
1902 | who = kill_who_from_string(swho); | |
1903 | if (who < 0) | |
1904 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1905 | } | |
1906 | ||
1907 | if (signo <= 0 || signo >= _NSIG) | |
1908 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1909 | ||
1910 | session = hashmap_get(m->sessions, name); | |
1911 | if (!session) | |
1912 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1913 | ||
1914 | r = session_kill(session, who, signo); | |
1915 | if (r < 0) | |
1916 | return bus_send_error_reply(connection, message, NULL, r); | |
1917 | ||
1918 | reply = dbus_message_new_method_return(message); | |
1919 | if (!reply) | |
1920 | goto oom; | |
1921 | ||
1922 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { | |
1923 | uint32_t uid; | |
1924 | User *user; | |
1925 | int32_t signo; | |
1926 | ||
1927 | if (!dbus_message_get_args( | |
1928 | message, | |
1929 | &error, | |
1930 | DBUS_TYPE_UINT32, &uid, | |
1931 | DBUS_TYPE_INT32, &signo, | |
1932 | DBUS_TYPE_INVALID)) | |
1933 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1934 | ||
1935 | if (signo <= 0 || signo >= _NSIG) | |
1936 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1937 | ||
1938 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1939 | if (!user) | |
1940 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1941 | ||
1942 | r = user_kill(user, signo); | |
1943 | if (r < 0) | |
1944 | return bus_send_error_reply(connection, message, NULL, r); | |
1945 | ||
1946 | reply = dbus_message_new_method_return(message); | |
1947 | if (!reply) | |
1948 | goto oom; | |
1949 | ||
bef422ae LP |
1950 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { |
1951 | const char *name; | |
1952 | Session *session; | |
1953 | ||
1954 | if (!dbus_message_get_args( | |
1955 | message, | |
1956 | &error, | |
1957 | DBUS_TYPE_STRING, &name, | |
1958 | DBUS_TYPE_INVALID)) | |
1959 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1960 | ||
1961 | session = hashmap_get(m->sessions, name); | |
1962 | if (!session) | |
1963 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1964 | ||
1965 | r = session_stop(session); | |
1966 | if (r < 0) | |
1967 | return bus_send_error_reply(connection, message, NULL, r); | |
1968 | ||
1969 | reply = dbus_message_new_method_return(message); | |
1970 | if (!reply) | |
1971 | goto oom; | |
1972 | ||
1973 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { | |
1974 | uint32_t uid; | |
1975 | User *user; | |
1976 | ||
1977 | if (!dbus_message_get_args( | |
1978 | message, | |
1979 | &error, | |
1980 | DBUS_TYPE_UINT32, &uid, | |
1981 | DBUS_TYPE_INVALID)) | |
1982 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1983 | ||
1984 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1985 | if (!user) | |
1986 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1987 | ||
1988 | r = user_stop(user); | |
1989 | if (r < 0) | |
1990 | return bus_send_error_reply(connection, message, NULL, r); | |
1991 | ||
1992 | reply = dbus_message_new_method_return(message); | |
1993 | if (!reply) | |
1994 | goto oom; | |
1995 | ||
1996 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { | |
1997 | const char *name; | |
1998 | Seat *seat; | |
1999 | ||
2000 | if (!dbus_message_get_args( | |
2001 | message, | |
2002 | &error, | |
2003 | DBUS_TYPE_STRING, &name, | |
2004 | DBUS_TYPE_INVALID)) | |
2005 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2006 | ||
2007 | seat = hashmap_get(m->seats, name); | |
2008 | if (!seat) | |
2009 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
2010 | ||
2011 | r = seat_stop_sessions(seat); | |
2012 | if (r < 0) | |
2013 | return bus_send_error_reply(connection, message, NULL, r); | |
2014 | ||
2015 | reply = dbus_message_new_method_return(message); | |
2016 | if (!reply) | |
2017 | goto oom; | |
2018 | ||
7f7bb946 LP |
2019 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { |
2020 | uint32_t uid; | |
2021 | struct passwd *pw; | |
2022 | dbus_bool_t b, interactive; | |
2023 | char *path; | |
2024 | ||
2025 | if (!dbus_message_get_args( | |
2026 | message, | |
2027 | &error, | |
2028 | DBUS_TYPE_UINT32, &uid, | |
2029 | DBUS_TYPE_BOOLEAN, &b, | |
2030 | DBUS_TYPE_BOOLEAN, &interactive, | |
2031 | DBUS_TYPE_INVALID)) | |
2032 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2033 | ||
2034 | errno = 0; | |
2035 | pw = getpwuid(uid); | |
2036 | if (!pw) | |
2037 | return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); | |
2038 | ||
89f13440 | 2039 | r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); |
7f7bb946 LP |
2040 | if (r < 0) |
2041 | return bus_send_error_reply(connection, message, &error, r); | |
2042 | ||
d2e54fae | 2043 | mkdir_p_label("/var/lib/systemd", 0755); |
02b16a19 | 2044 | |
d2e54fae | 2045 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); |
7f7bb946 LP |
2046 | if (r < 0) |
2047 | return bus_send_error_reply(connection, message, &error, r); | |
2048 | ||
2049 | path = strappend("/var/lib/systemd/linger/", pw->pw_name); | |
2050 | if (!path) | |
2051 | goto oom; | |
2052 | ||
2053 | if (b) { | |
38f3fc7d LP |
2054 | User *u; |
2055 | ||
7f7bb946 LP |
2056 | r = touch(path); |
2057 | free(path); | |
2058 | ||
2059 | if (r < 0) | |
2060 | return bus_send_error_reply(connection, message, &error, r); | |
38f3fc7d LP |
2061 | |
2062 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
2063 | user_start(u); | |
2064 | ||
7f7bb946 | 2065 | } else { |
38f3fc7d LP |
2066 | User *u; |
2067 | ||
7f7bb946 LP |
2068 | r = unlink(path); |
2069 | free(path); | |
2070 | ||
2071 | if (r < 0 && errno != ENOENT) | |
2072 | return bus_send_error_reply(connection, message, &error, -errno); | |
38f3fc7d LP |
2073 | |
2074 | u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
2075 | if (u) | |
2076 | user_add_to_gc_queue(u); | |
7f7bb946 LP |
2077 | } |
2078 | ||
2079 | reply = dbus_message_new_method_return(message); | |
2080 | if (!reply) | |
2081 | goto oom; | |
2082 | ||
47a26690 LP |
2083 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { |
2084 | const char *sysfs, *seat; | |
2085 | dbus_bool_t interactive; | |
2086 | ||
2087 | if (!dbus_message_get_args( | |
2088 | message, | |
2089 | &error, | |
2090 | DBUS_TYPE_STRING, &seat, | |
2091 | DBUS_TYPE_STRING, &sysfs, | |
2092 | DBUS_TYPE_BOOLEAN, &interactive, | |
2093 | DBUS_TYPE_INVALID)) | |
2094 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2095 | ||
2096 | if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) | |
2097 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2098 | ||
89f13440 | 2099 | r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); |
47a26690 LP |
2100 | if (r < 0) |
2101 | return bus_send_error_reply(connection, message, &error, r); | |
2102 | ||
2103 | r = attach_device(m, seat, sysfs); | |
2104 | if (r < 0) | |
2105 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2106 | ||
2107 | reply = dbus_message_new_method_return(message); | |
2108 | if (!reply) | |
2109 | goto oom; | |
7f7bb946 | 2110 | |
b668e064 LP |
2111 | |
2112 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { | |
2113 | dbus_bool_t interactive; | |
2114 | ||
2115 | if (!dbus_message_get_args( | |
2116 | message, | |
2117 | &error, | |
2118 | DBUS_TYPE_BOOLEAN, &interactive, | |
2119 | DBUS_TYPE_INVALID)) | |
2120 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2121 | ||
89f13440 | 2122 | r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); |
b668e064 LP |
2123 | if (r < 0) |
2124 | return bus_send_error_reply(connection, message, &error, r); | |
2125 | ||
2126 | r = flush_devices(m); | |
2127 | if (r < 0) | |
2128 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2129 | ||
2130 | reply = dbus_message_new_method_return(message); | |
2131 | if (!reply) | |
2132 | goto oom; | |
2133 | ||
d889a206 LP |
2134 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) { |
2135 | ||
2136 | r = bus_manager_do_shutdown_or_sleep( | |
2137 | m, connection, message, | |
2138 | SPECIAL_POWEROFF_TARGET, | |
2139 | INHIBIT_SHUTDOWN, | |
2140 | "org.freedesktop.login1.power-off", | |
2141 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2142 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2143 | NULL, NULL, |
d889a206 | 2144 | &error, &reply); |
89f13440 LP |
2145 | if (r < 0) |
2146 | return bus_send_error_reply(connection, message, &error, r); | |
d889a206 LP |
2147 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { |
2148 | r = bus_manager_do_shutdown_or_sleep( | |
2149 | m, connection, message, | |
2150 | SPECIAL_REBOOT_TARGET, | |
2151 | INHIBIT_SHUTDOWN, | |
2152 | "org.freedesktop.login1.reboot", | |
2153 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2154 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2155 | NULL, NULL, |
d889a206 | 2156 | &error, &reply); |
89f13440 LP |
2157 | if (r < 0) |
2158 | return bus_send_error_reply(connection, message, &error, r); | |
2159 | ||
d889a206 LP |
2160 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) { |
2161 | r = bus_manager_do_shutdown_or_sleep( | |
2162 | m, connection, message, | |
2163 | SPECIAL_SUSPEND_TARGET, | |
2164 | INHIBIT_SLEEP, | |
2165 | "org.freedesktop.login1.suspend", | |
2166 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2167 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2168 | "mem", NULL, |
d889a206 LP |
2169 | &error, &reply); |
2170 | if (r < 0) | |
2171 | return bus_send_error_reply(connection, message, &error, r); | |
2172 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) { | |
2173 | r = bus_manager_do_shutdown_or_sleep( | |
2174 | m, connection, message, | |
2175 | SPECIAL_HIBERNATE_TARGET, | |
2176 | INHIBIT_SLEEP, | |
2177 | "org.freedesktop.login1.hibernate", | |
2178 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2179 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2180 | "disk", NULL, |
2181 | &error, &reply); | |
2182 | if (r < 0) | |
2183 | return bus_send_error_reply(connection, message, &error, r); | |
2184 | ||
2185 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) { | |
2186 | r = bus_manager_do_shutdown_or_sleep( | |
2187 | m, connection, message, | |
2188 | SPECIAL_HYBRID_SLEEP_TARGET, | |
2189 | INHIBIT_SLEEP, | |
2190 | "org.freedesktop.login1.hibernate", | |
2191 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2192 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2193 | "disk", "suspend", | |
d889a206 LP |
2194 | &error, &reply); |
2195 | if (r < 0) | |
2196 | return bus_send_error_reply(connection, message, &error, r); | |
f8e2fb7b | 2197 | |
d889a206 | 2198 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) { |
f8e2fb7b | 2199 | |
d889a206 LP |
2200 | r = bus_manager_can_shutdown_or_sleep( |
2201 | m, connection, message, | |
2202 | INHIBIT_SHUTDOWN, | |
2203 | "org.freedesktop.login1.power-off", | |
2204 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2205 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2206 | NULL, NULL, |
d889a206 LP |
2207 | &error, &reply); |
2208 | if (r < 0) | |
2209 | return bus_send_error_reply(connection, message, &error, r); | |
2210 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { | |
2211 | r = bus_manager_can_shutdown_or_sleep( | |
2212 | m, connection, message, | |
2213 | INHIBIT_SHUTDOWN, | |
2214 | "org.freedesktop.login1.reboot", | |
2215 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2216 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2217 | NULL, NULL, |
d889a206 LP |
2218 | &error, &reply); |
2219 | if (r < 0) | |
2220 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2221 | |
d889a206 LP |
2222 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) { |
2223 | r = bus_manager_can_shutdown_or_sleep( | |
2224 | m, connection, message, | |
2225 | INHIBIT_SLEEP, | |
2226 | "org.freedesktop.login1.suspend", | |
2227 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2228 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2229 | "mem", NULL, |
d889a206 LP |
2230 | &error, &reply); |
2231 | if (r < 0) | |
2232 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2233 | |
d889a206 LP |
2234 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) { |
2235 | r = bus_manager_can_shutdown_or_sleep( | |
2236 | m, connection, message, | |
2237 | INHIBIT_SLEEP, | |
2238 | "org.freedesktop.login1.hibernate", | |
2239 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2240 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2241 | "disk", NULL, |
2242 | &error, &reply); | |
2243 | if (r < 0) | |
2244 | return bus_send_error_reply(connection, message, &error, r); | |
2245 | ||
2246 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) { | |
2247 | r = bus_manager_can_shutdown_or_sleep( | |
2248 | m, connection, message, | |
2249 | INHIBIT_SLEEP, | |
2250 | "org.freedesktop.login1.hibernate", | |
2251 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2252 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2253 | "disk", "suspend", | |
d889a206 LP |
2254 | &error, &reply); |
2255 | if (r < 0) | |
2256 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2257 | |
bef422ae | 2258 | } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { |
3f49d45a LP |
2259 | char *introspection = NULL; |
2260 | FILE *f; | |
2261 | Iterator i; | |
2262 | Session *session; | |
2263 | Seat *seat; | |
2264 | User *user; | |
2265 | size_t size; | |
2266 | char *p; | |
2267 | ||
2268 | if (!(reply = dbus_message_new_method_return(message))) | |
2269 | goto oom; | |
2270 | ||
2271 | /* We roll our own introspection code here, instead of | |
2272 | * relying on bus_default_message_handler() because we | |
2273 | * need to generate our introspection string | |
2274 | * dynamically. */ | |
2275 | ||
2276 | if (!(f = open_memstream(&introspection, &size))) | |
2277 | goto oom; | |
2278 | ||
2279 | fputs(INTROSPECTION_BEGIN, f); | |
2280 | ||
2281 | HASHMAP_FOREACH(seat, m->seats, i) { | |
2282 | p = bus_path_escape(seat->id); | |
2283 | ||
2284 | if (p) { | |
2285 | fprintf(f, "<node name=\"seat/%s\"/>", p); | |
2286 | free(p); | |
2287 | } | |
2288 | } | |
2289 | ||
2290 | HASHMAP_FOREACH(user, m->users, i) | |
2291 | fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid); | |
2292 | ||
2293 | HASHMAP_FOREACH(session, m->sessions, i) { | |
2294 | p = bus_path_escape(session->id); | |
2295 | ||
2296 | if (p) { | |
2297 | fprintf(f, "<node name=\"session/%s\"/>", p); | |
2298 | free(p); | |
2299 | } | |
2300 | } | |
2301 | ||
2302 | fputs(INTROSPECTION_END, f); | |
2303 | ||
2304 | if (ferror(f)) { | |
2305 | fclose(f); | |
2306 | free(introspection); | |
2307 | goto oom; | |
2308 | } | |
2309 | ||
2310 | fclose(f); | |
2311 | ||
2312 | if (!introspection) | |
2313 | goto oom; | |
2314 | ||
2315 | if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { | |
2316 | free(introspection); | |
2317 | goto oom; | |
2318 | } | |
2319 | ||
2320 | free(introspection); | |
d200735e MS |
2321 | } else { |
2322 | const BusBoundProperties bps[] = { | |
2323 | { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, | |
2324 | { NULL, } | |
2325 | }; | |
2326 | return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); | |
2327 | } | |
3f49d45a LP |
2328 | |
2329 | if (reply) { | |
1a37b9b9 CW |
2330 | if (!bus_maybe_send_reply(connection, message, reply)) |
2331 | goto oom; | |
3f49d45a LP |
2332 | } |
2333 | ||
2334 | return DBUS_HANDLER_RESULT_HANDLED; | |
2335 | ||
2336 | oom: | |
3f49d45a LP |
2337 | dbus_error_free(&error); |
2338 | ||
2339 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
2340 | } | |
2341 | ||
2342 | const DBusObjectPathVTable bus_manager_vtable = { | |
2343 | .message_function = manager_message_handler | |
2344 | }; | |
9418f147 | 2345 | |
1713813d LP |
2346 | DBusHandlerResult bus_message_filter( |
2347 | DBusConnection *connection, | |
2348 | DBusMessage *message, | |
2349 | void *userdata) { | |
2350 | ||
2351 | Manager *m = userdata; | |
2352 | DBusError error; | |
2353 | ||
2354 | assert(m); | |
2355 | assert(connection); | |
2356 | assert(message); | |
2357 | ||
2358 | dbus_error_init(&error); | |
2359 | ||
2360 | if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) { | |
2361 | const char *cgroup; | |
2362 | ||
2363 | if (!dbus_message_get_args(message, &error, | |
2364 | DBUS_TYPE_STRING, &cgroup, | |
2365 | DBUS_TYPE_INVALID)) | |
2366 | log_error("Failed to parse Released message: %s", bus_error_message(&error)); | |
2367 | else | |
2368 | manager_cgroup_notify_empty(m, cgroup); | |
af9792ac LP |
2369 | |
2370 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { | |
2371 | uint32_t id; | |
2372 | const char *path, *result, *unit; | |
2373 | ||
2374 | if (!dbus_message_get_args(message, &error, | |
2375 | DBUS_TYPE_UINT32, &id, | |
2376 | DBUS_TYPE_OBJECT_PATH, &path, | |
2377 | DBUS_TYPE_STRING, &unit, | |
2378 | DBUS_TYPE_STRING, &result, | |
2379 | DBUS_TYPE_INVALID)) | |
2380 | log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error)); | |
314b4b0a | 2381 | |
af9792ac | 2382 | else if (m->action_job && streq(m->action_job, path)) { |
ee17c928 | 2383 | |
314b4b0a | 2384 | log_info("Operation finished."); |
ee17c928 | 2385 | |
314b4b0a LP |
2386 | /* Tell people that they now may take a lock again */ |
2387 | send_prepare_for(m, m->action_what, false); | |
2388 | ||
2389 | free(m->action_job); | |
2390 | m->action_job = NULL; | |
2391 | m->action_unit = NULL; | |
2392 | m->action_what = 0; | |
af9792ac | 2393 | } |
1713813d LP |
2394 | } |
2395 | ||
2396 | dbus_error_free(&error); | |
2397 | ||
2398 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
2399 | } | |
2400 | ||
9418f147 | 2401 | int manager_send_changed(Manager *manager, const char *properties) { |
ce0fc5f5 | 2402 | _cleanup_dbus_message_unref_ DBusMessage *m = NULL; |
9418f147 LP |
2403 | |
2404 | assert(manager); | |
2405 | ||
4654e558 ZJS |
2406 | m = bus_properties_changed_new("/org/freedesktop/login1", |
2407 | "org.freedesktop.login1.Manager", | |
2408 | properties); | |
9418f147 | 2409 | if (!m) |
4654e558 | 2410 | return -ENOMEM; |
9418f147 LP |
2411 | |
2412 | if (!dbus_connection_send(manager->bus, m, NULL)) | |
4654e558 | 2413 | return -ENOMEM; |
9418f147 | 2414 | |
4654e558 | 2415 | return 0; |
9418f147 | 2416 | } |
eecd1362 | 2417 | |
d889a206 | 2418 | int manager_dispatch_delayed(Manager *manager) { |
eecd1362 | 2419 | DBusError error; |
eecd1362 LP |
2420 | int r; |
2421 | ||
2422 | assert(manager); | |
2423 | ||
314b4b0a | 2424 | if (!manager->action_unit || manager->action_job) |
eecd1362 LP |
2425 | return 0; |
2426 | ||
2427 | /* Continue delay? */ | |
314b4b0a | 2428 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) { |
eecd1362 | 2429 | |
314b4b0a LP |
2430 | if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC)) |
2431 | return 0; | |
af9792ac | 2432 | |
314b4b0a LP |
2433 | log_info("Delay lock is active but inhibitor timeout is reached."); |
2434 | } | |
eecd1362 | 2435 | |
314b4b0a | 2436 | /* Actually do the operation */ |
eecd1362 | 2437 | dbus_error_init(&error); |
314b4b0a | 2438 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); |
eecd1362 | 2439 | if (r < 0) { |
d889a206 LP |
2440 | log_warning("Failed to send delayed message: %s", bus_error_message_or_strerror(&error, -r)); |
2441 | dbus_error_free(&error); | |
314b4b0a LP |
2442 | |
2443 | manager->action_unit = NULL; | |
2444 | manager->action_what = 0; | |
eecd1362 LP |
2445 | return r; |
2446 | } | |
2447 | ||
eecd1362 LP |
2448 | return 1; |
2449 | } |