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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" \ | |
ab06eef8 | 69 | " <arg name=\"service\" 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); | |
e2acb67b LP |
356 | if (isempty(type)) |
357 | t = _SESSION_TYPE_INVALID; | |
358 | else { | |
359 | t = session_type_from_string(type); | |
360 | if (t < 0) | |
361 | return -EINVAL; | |
362 | } | |
98a28fef | 363 | |
e2acb67b | 364 | if (!dbus_message_iter_next(&iter) || |
98a28fef LP |
365 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) |
366 | return -EINVAL; | |
367 | ||
55efac6c LP |
368 | dbus_message_iter_get_basic(&iter, &class); |
369 | if (isempty(class)) | |
e2acb67b LP |
370 | c = _SESSION_CLASS_INVALID; |
371 | else { | |
55efac6c | 372 | c = session_class_from_string(class); |
e2acb67b LP |
373 | if (c < 0) |
374 | return -EINVAL; | |
375 | } | |
55efac6c | 376 | |
e2acb67b | 377 | if (!dbus_message_iter_next(&iter) || |
55efac6c LP |
378 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) |
379 | return -EINVAL; | |
380 | ||
954449b8 | 381 | dbus_message_iter_get_basic(&iter, &cseat); |
98a28fef | 382 | |
954449b8 LP |
383 | if (isempty(cseat)) |
384 | seat = NULL; | |
98a28fef | 385 | else { |
954449b8 LP |
386 | seat = hashmap_get(m->seats, cseat); |
387 | if (!seat) | |
98a28fef LP |
388 | return -ENOENT; |
389 | } | |
390 | ||
4d6d6518 LP |
391 | if (!dbus_message_iter_next(&iter) || |
392 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
393 | return -EINVAL; | |
394 | ||
395 | dbus_message_iter_get_basic(&iter, &vtnr); | |
396 | ||
98a28fef LP |
397 | if (!dbus_message_iter_next(&iter) || |
398 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
399 | return -EINVAL; | |
400 | ||
401 | dbus_message_iter_get_basic(&iter, &tty); | |
402 | ||
403 | if (tty_is_vc(tty)) { | |
4d6d6518 | 404 | int v; |
98a28fef | 405 | |
954449b8 LP |
406 | if (!seat) |
407 | seat = m->vtconsole; | |
408 | else if (seat != m->vtconsole) | |
98a28fef LP |
409 | return -EINVAL; |
410 | ||
4d6d6518 LP |
411 | v = vtnr_from_tty(tty); |
412 | ||
413 | if (v <= 0) | |
414 | return v < 0 ? v : -EINVAL; | |
98a28fef LP |
415 | |
416 | if (vtnr <= 0) | |
4d6d6518 LP |
417 | vtnr = (uint32_t) v; |
418 | else if (vtnr != (uint32_t) v) | |
419 | return -EINVAL; | |
d1122ad5 LP |
420 | } else if (tty_is_console(tty)) { |
421 | ||
954449b8 LP |
422 | if (!seat) |
423 | seat = m->vtconsole; | |
424 | else if (seat != m->vtconsole) | |
d1122ad5 LP |
425 | return -EINVAL; |
426 | ||
427 | if (vtnr != 0) | |
428 | return -EINVAL; | |
978cf3c7 | 429 | } |
98a28fef | 430 | |
954449b8 LP |
431 | if (seat) { |
432 | if (seat_can_multi_session(seat)) { | |
d1122ad5 | 433 | if (vtnr > 63) |
4d6d6518 LP |
434 | return -EINVAL; |
435 | } else { | |
d1122ad5 | 436 | if (vtnr != 0) |
4d6d6518 LP |
437 | return -EINVAL; |
438 | } | |
439 | } | |
440 | ||
98a28fef LP |
441 | if (!dbus_message_iter_next(&iter) || |
442 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
443 | return -EINVAL; | |
444 | ||
445 | dbus_message_iter_get_basic(&iter, &display); | |
446 | ||
447 | if (!dbus_message_iter_next(&iter) || | |
448 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) | |
449 | return -EINVAL; | |
450 | ||
e2acb67b LP |
451 | if (t == _SESSION_TYPE_INVALID) { |
452 | if (!isempty(display)) | |
453 | t = SESSION_X11; | |
454 | else if (!isempty(tty)) | |
455 | t = SESSION_TTY; | |
456 | else | |
457 | t = SESSION_UNSPECIFIED; | |
458 | } | |
459 | ||
460 | if (c == _SESSION_CLASS_INVALID) { | |
461 | if (!isempty(display) || !isempty(tty)) | |
462 | c = SESSION_USER; | |
463 | else | |
464 | c = SESSION_BACKGROUND; | |
465 | } | |
466 | ||
98a28fef LP |
467 | dbus_message_iter_get_basic(&iter, &remote); |
468 | ||
469 | if (!dbus_message_iter_next(&iter) || | |
470 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
471 | return -EINVAL; | |
472 | ||
473 | dbus_message_iter_get_basic(&iter, &remote_user); | |
474 | ||
475 | if (!dbus_message_iter_next(&iter) || | |
476 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
477 | return -EINVAL; | |
478 | ||
479 | dbus_message_iter_get_basic(&iter, &remote_host); | |
480 | ||
481 | if (!dbus_message_iter_next(&iter) || | |
482 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
483 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) | |
484 | return -EINVAL; | |
485 | ||
486 | r = bus_parse_strv_iter(&iter, &controllers); | |
487 | if (r < 0) | |
488 | return -EINVAL; | |
489 | ||
ed85d9a5 | 490 | if (!dbus_message_iter_next(&iter) || |
98a28fef LP |
491 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
492 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) { | |
493 | r = -EINVAL; | |
494 | goto fail; | |
495 | } | |
496 | ||
497 | r = bus_parse_strv_iter(&iter, &reset_controllers); | |
498 | if (r < 0) | |
499 | goto fail; | |
500 | ||
ed85d9a5 | 501 | if (!dbus_message_iter_next(&iter) || |
98a28fef LP |
502 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { |
503 | r = -EINVAL; | |
504 | goto fail; | |
505 | } | |
506 | ||
507 | dbus_message_iter_get_basic(&iter, &kill_processes); | |
508 | ||
7027ff61 | 509 | r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, leader, &cgroup); |
98a28fef LP |
510 | if (r < 0) |
511 | goto fail; | |
512 | ||
954449b8 LP |
513 | r = manager_get_session_by_cgroup(m, cgroup, &session); |
514 | if (r < 0) | |
515 | goto fail; | |
98a28fef | 516 | |
954449b8 LP |
517 | if (session) { |
518 | fifo_fd = session_create_fifo(session); | |
519 | if (fifo_fd < 0) { | |
520 | r = fifo_fd; | |
07714753 LP |
521 | goto fail; |
522 | } | |
98a28fef | 523 | |
954449b8 LP |
524 | /* Session already exists, client is probably |
525 | * something like "su" which changes uid but | |
526 | * is still the same audit session */ | |
21c390cc | 527 | |
954449b8 LP |
528 | reply = dbus_message_new_method_return(message); |
529 | if (!reply) { | |
530 | r = -ENOMEM; | |
531 | goto fail; | |
532 | } | |
21c390cc | 533 | |
954449b8 LP |
534 | p = session_bus_path(session); |
535 | if (!p) { | |
536 | r = -ENOMEM; | |
537 | goto fail; | |
538 | } | |
932e3ee7 | 539 | |
954449b8 LP |
540 | cseat = session->seat ? session->seat->id : ""; |
541 | vtnr = session->vtnr; | |
542 | exists = true; | |
543 | ||
544 | b = dbus_message_append_args( | |
545 | reply, | |
546 | DBUS_TYPE_STRING, &session->id, | |
547 | DBUS_TYPE_OBJECT_PATH, &p, | |
548 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
549 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
550 | DBUS_TYPE_STRING, &cseat, | |
551 | DBUS_TYPE_UINT32, &vtnr, | |
552 | DBUS_TYPE_BOOLEAN, &exists, | |
553 | DBUS_TYPE_INVALID); | |
554 | if (!b) { | |
555 | r = -ENOMEM; | |
556 | goto fail; | |
557 | } | |
21c390cc | 558 | |
954449b8 | 559 | *_reply = reply; |
ce0fc5f5 | 560 | reply = NULL; |
21c390cc | 561 | |
954449b8 LP |
562 | return 0; |
563 | } | |
21c390cc | 564 | |
954449b8 LP |
565 | audit_session_from_pid(leader, &audit_id); |
566 | if (audit_id > 0) { | |
567 | /* Keep our session IDs and the audit session IDs in sync */ | |
21c390cc | 568 | |
954449b8 LP |
569 | if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) { |
570 | r = -ENOMEM; | |
571 | goto fail; | |
572 | } | |
21c390cc | 573 | |
954449b8 LP |
574 | /* Wut? There's already a session by this name and we |
575 | * didn't find it above? Weird, then let's not trust | |
576 | * the audit data and let's better register a new | |
577 | * ID */ | |
578 | if (hashmap_get(m->sessions, id)) { | |
579 | audit_id = 0; | |
8ea913b2 | 580 | |
954449b8 LP |
581 | free(id); |
582 | id = NULL; | |
07714753 | 583 | } |
954449b8 | 584 | } |
07714753 | 585 | |
954449b8 | 586 | if (!id) { |
07714753 LP |
587 | do { |
588 | free(id); | |
f8e2fb7b | 589 | id = NULL; |
07714753 | 590 | |
f8e2fb7b | 591 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { |
07714753 LP |
592 | r = -ENOMEM; |
593 | goto fail; | |
594 | } | |
595 | ||
596 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
597 | } |
598 | ||
954449b8 LP |
599 | r = manager_add_user_by_uid(m, uid, &user); |
600 | if (r < 0) | |
601 | goto fail; | |
602 | ||
98a28fef | 603 | r = manager_add_session(m, user, id, &session); |
98a28fef LP |
604 | if (r < 0) |
605 | goto fail; | |
606 | ||
607 | session->leader = leader; | |
608 | session->audit_id = audit_id; | |
609 | session->type = t; | |
55efac6c | 610 | session->class = c; |
98a28fef | 611 | session->remote = remote; |
98a28fef LP |
612 | session->kill_processes = kill_processes; |
613 | session->vtnr = vtnr; | |
614 | ||
ed85d9a5 LP |
615 | session->controllers = cg_shorten_controllers(controllers); |
616 | session->reset_controllers = cg_shorten_controllers(reset_controllers); | |
98a28fef LP |
617 | controllers = reset_controllers = NULL; |
618 | ||
619 | if (!isempty(tty)) { | |
620 | session->tty = strdup(tty); | |
621 | if (!session->tty) { | |
622 | r = -ENOMEM; | |
623 | goto fail; | |
624 | } | |
625 | } | |
626 | ||
627 | if (!isempty(display)) { | |
628 | session->display = strdup(display); | |
629 | if (!session->display) { | |
630 | r = -ENOMEM; | |
631 | goto fail; | |
632 | } | |
633 | } | |
634 | ||
635 | if (!isempty(remote_user)) { | |
636 | session->remote_user = strdup(remote_user); | |
637 | if (!session->remote_user) { | |
638 | r = -ENOMEM; | |
639 | goto fail; | |
640 | } | |
641 | } | |
642 | ||
643 | if (!isempty(remote_host)) { | |
644 | session->remote_host = strdup(remote_host); | |
645 | if (!session->remote_host) { | |
646 | r = -ENOMEM; | |
647 | goto fail; | |
648 | } | |
649 | } | |
650 | ||
651 | if (!isempty(service)) { | |
652 | session->service = strdup(service); | |
653 | if (!session->service) { | |
654 | r = -ENOMEM; | |
655 | goto fail; | |
656 | } | |
657 | } | |
658 | ||
932e3ee7 LP |
659 | fifo_fd = session_create_fifo(session); |
660 | if (fifo_fd < 0) { | |
661 | r = fifo_fd; | |
98a28fef LP |
662 | goto fail; |
663 | } | |
664 | ||
954449b8 LP |
665 | if (seat) { |
666 | r = seat_attach_session(seat, session); | |
98a28fef LP |
667 | if (r < 0) |
668 | goto fail; | |
669 | } | |
670 | ||
671 | r = session_start(session); | |
672 | if (r < 0) | |
673 | goto fail; | |
674 | ||
675 | reply = dbus_message_new_method_return(message); | |
676 | if (!reply) { | |
677 | r = -ENOMEM; | |
678 | goto fail; | |
679 | } | |
680 | ||
681 | p = session_bus_path(session); | |
682 | if (!p) { | |
683 | r = -ENOMEM; | |
684 | goto fail; | |
685 | } | |
686 | ||
954449b8 | 687 | cseat = seat ? seat->id : ""; |
77085881 | 688 | exists = false; |
98a28fef LP |
689 | b = dbus_message_append_args( |
690 | reply, | |
691 | DBUS_TYPE_STRING, &session->id, | |
692 | DBUS_TYPE_OBJECT_PATH, &p, | |
693 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 694 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
954449b8 | 695 | DBUS_TYPE_STRING, &cseat, |
bbc73283 | 696 | DBUS_TYPE_UINT32, &vtnr, |
77085881 | 697 | DBUS_TYPE_BOOLEAN, &exists, |
98a28fef | 698 | DBUS_TYPE_INVALID); |
98a28fef LP |
699 | |
700 | if (!b) { | |
701 | r = -ENOMEM; | |
702 | goto fail; | |
703 | } | |
704 | ||
98a28fef | 705 | *_reply = reply; |
ce0fc5f5 | 706 | reply = NULL; |
98a28fef LP |
707 | |
708 | return 0; | |
709 | ||
710 | fail: | |
98a28fef LP |
711 | if (session) |
712 | session_add_to_gc_queue(session); | |
713 | ||
714 | if (user) | |
715 | user_add_to_gc_queue(user); | |
716 | ||
98a28fef LP |
717 | return r; |
718 | } | |
719 | ||
314b4b0a LP |
720 | static int bus_manager_inhibit( |
721 | Manager *m, | |
722 | DBusConnection *connection, | |
723 | DBusMessage *message, | |
724 | DBusError *error, | |
725 | DBusMessage **_reply) { | |
726 | ||
f8e2fb7b LP |
727 | Inhibitor *i = NULL; |
728 | char *id = NULL; | |
eecd1362 | 729 | const char *who, *why, *what, *mode; |
f8e2fb7b LP |
730 | pid_t pid; |
731 | InhibitWhat w; | |
eecd1362 | 732 | InhibitMode mm; |
f8e2fb7b LP |
733 | unsigned long ul; |
734 | int r, fifo_fd = -1; | |
ce0fc5f5 | 735 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
f8e2fb7b LP |
736 | |
737 | assert(m); | |
738 | assert(connection); | |
739 | assert(message); | |
740 | assert(error); | |
741 | assert(_reply); | |
742 | ||
743 | if (!dbus_message_get_args( | |
744 | message, | |
745 | error, | |
746 | DBUS_TYPE_STRING, &what, | |
747 | DBUS_TYPE_STRING, &who, | |
748 | DBUS_TYPE_STRING, &why, | |
eecd1362 | 749 | DBUS_TYPE_STRING, &mode, |
f8e2fb7b LP |
750 | DBUS_TYPE_INVALID)) { |
751 | r = -EIO; | |
752 | goto fail; | |
753 | } | |
754 | ||
755 | w = inhibit_what_from_string(what); | |
756 | if (w <= 0) { | |
757 | r = -EINVAL; | |
758 | goto fail; | |
759 | } | |
760 | ||
eecd1362 LP |
761 | mm = inhibit_mode_from_string(mode); |
762 | if (mm < 0) { | |
763 | r = -EINVAL; | |
764 | goto fail; | |
765 | } | |
766 | ||
beaafb2e LP |
767 | /* Delay is only supported for shutdown/sleep */ |
768 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { | |
769 | r = -EINVAL; | |
770 | goto fail; | |
771 | } | |
772 | ||
314b4b0a LP |
773 | /* Don't allow taking delay locks while we are already |
774 | * executing the operation. We shouldn't create the impression | |
775 | * that the lock was successful if the machine is about to go | |
776 | * down/suspend any moment. */ | |
777 | if (m->action_what & w) { | |
778 | r = -EALREADY; | |
779 | goto fail; | |
780 | } | |
781 | ||
eecd1362 | 782 | r = verify_polkit(connection, message, |
8e7fd6ad LP |
783 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : |
784 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
785 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
786 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
787 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
788 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : | |
789 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
b14eda96 | 790 | false, NULL, error); |
f8e2fb7b LP |
791 | if (r < 0) |
792 | goto fail; | |
793 | ||
794 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); | |
795 | if (ul == (unsigned long) -1) { | |
796 | r = -EIO; | |
797 | goto fail; | |
798 | } | |
799 | ||
800 | pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); | |
801 | if (pid <= 0) { | |
802 | r = -EIO; | |
803 | goto fail; | |
804 | } | |
805 | ||
806 | do { | |
807 | free(id); | |
808 | id = NULL; | |
809 | ||
810 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { | |
811 | r = -ENOMEM; | |
812 | goto fail; | |
813 | } | |
814 | } while (hashmap_get(m->inhibitors, id)); | |
815 | ||
816 | r = manager_add_inhibitor(m, id, &i); | |
817 | free(id); | |
818 | ||
819 | if (r < 0) | |
820 | goto fail; | |
821 | ||
822 | i->what = w; | |
eecd1362 | 823 | i->mode = mm; |
f8e2fb7b LP |
824 | i->pid = pid; |
825 | i->uid = (uid_t) ul; | |
826 | i->why = strdup(why); | |
827 | i->who = strdup(who); | |
828 | ||
829 | if (!i->why || !i->who) { | |
830 | r = -ENOMEM; | |
831 | goto fail; | |
832 | } | |
833 | ||
834 | fifo_fd = inhibitor_create_fifo(i); | |
835 | if (fifo_fd < 0) { | |
836 | r = fifo_fd; | |
837 | goto fail; | |
838 | } | |
839 | ||
840 | reply = dbus_message_new_method_return(message); | |
841 | if (!reply) { | |
842 | r = -ENOMEM; | |
843 | goto fail; | |
844 | } | |
845 | ||
846 | if (!dbus_message_append_args( | |
847 | reply, | |
848 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
849 | DBUS_TYPE_INVALID)) { | |
850 | r = -ENOMEM; | |
851 | goto fail; | |
852 | } | |
853 | ||
854 | close_nointr_nofail(fifo_fd); | |
855 | *_reply = reply; | |
ce0fc5f5 | 856 | reply = NULL; |
f8e2fb7b LP |
857 | |
858 | inhibitor_start(i); | |
859 | ||
860 | return 0; | |
861 | ||
862 | fail: | |
863 | if (i) | |
864 | inhibitor_free(i); | |
865 | ||
866 | if (fifo_fd >= 0) | |
867 | close_nointr_nofail(fifo_fd); | |
868 | ||
f8e2fb7b LP |
869 | return r; |
870 | } | |
871 | ||
2eb916cd | 872 | static int trigger_device(Manager *m, struct udev_device *d) { |
b668e064 LP |
873 | struct udev_enumerate *e; |
874 | struct udev_list_entry *first, *item; | |
875 | int r; | |
876 | ||
877 | assert(m); | |
878 | ||
879 | e = udev_enumerate_new(m->udev); | |
880 | if (!e) { | |
881 | r = -ENOMEM; | |
882 | goto finish; | |
883 | } | |
884 | ||
2eb916cd LP |
885 | if (d) { |
886 | if (udev_enumerate_add_match_parent(e, d) < 0) { | |
887 | r = -EIO; | |
888 | goto finish; | |
889 | } | |
890 | } | |
891 | ||
b668e064 LP |
892 | if (udev_enumerate_scan_devices(e) < 0) { |
893 | r = -EIO; | |
894 | goto finish; | |
895 | } | |
896 | ||
897 | first = udev_enumerate_get_list_entry(e); | |
898 | udev_list_entry_foreach(item, first) { | |
899 | char *t; | |
900 | const char *p; | |
901 | ||
902 | p = udev_list_entry_get_name(item); | |
903 | ||
b668e064 LP |
904 | t = strappend(p, "/uevent"); |
905 | if (!t) { | |
906 | r = -ENOMEM; | |
907 | goto finish; | |
908 | } | |
909 | ||
574d5f2d | 910 | write_string_file(t, "change"); |
b668e064 LP |
911 | free(t); |
912 | } | |
913 | ||
914 | r = 0; | |
915 | ||
916 | finish: | |
917 | if (e) | |
918 | udev_enumerate_unref(e); | |
919 | ||
920 | return r; | |
921 | } | |
922 | ||
47a26690 LP |
923 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
924 | struct udev_device *d; | |
7fd1b19b | 925 | _cleanup_free_ char *rule = NULL, *file = NULL; |
c28fa3d3 | 926 | const char *id_for_seat; |
47a26690 LP |
927 | int r; |
928 | ||
929 | assert(m); | |
930 | assert(seat); | |
931 | assert(sysfs); | |
932 | ||
933 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
934 | if (!d) | |
935 | return -ENODEV; | |
936 | ||
309c2a2c | 937 | if (!udev_device_has_tag(d, "seat")) { |
47a26690 LP |
938 | r = -ENODEV; |
939 | goto finish; | |
940 | } | |
941 | ||
c28fa3d3 LP |
942 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
943 | if (!id_for_seat) { | |
47a26690 LP |
944 | r = -ENODEV; |
945 | goto finish; | |
946 | } | |
947 | ||
c28fa3d3 | 948 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { |
47a26690 LP |
949 | r = -ENOMEM; |
950 | goto finish; | |
951 | } | |
952 | ||
c28fa3d3 | 953 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { |
47a26690 LP |
954 | r = -ENOMEM; |
955 | goto finish; | |
956 | } | |
957 | ||
d2e54fae | 958 | mkdir_p_label("/etc/udev/rules.d", 0755); |
a5c32cff | 959 | label_init("/etc"); |
574d5f2d | 960 | r = write_string_file_atomic_label(file, rule); |
a0a0c7f1 LP |
961 | if (r < 0) |
962 | goto finish; | |
963 | ||
2eb916cd | 964 | r = trigger_device(m, d); |
47a26690 LP |
965 | |
966 | finish: | |
47a26690 LP |
967 | if (d) |
968 | udev_device_unref(d); | |
969 | ||
970 | return r; | |
971 | } | |
972 | ||
b668e064 | 973 | static int flush_devices(Manager *m) { |
7fd1b19b | 974 | _cleanup_closedir_ DIR *d; |
b668e064 LP |
975 | |
976 | assert(m); | |
977 | ||
978 | d = opendir("/etc/udev/rules.d"); | |
979 | if (!d) { | |
980 | if (errno != ENOENT) | |
981 | log_warning("Failed to open /etc/udev/rules.d: %m"); | |
982 | } else { | |
983 | struct dirent *de; | |
984 | ||
985 | while ((de = readdir(d))) { | |
986 | ||
987 | if (!dirent_is_file(de)) | |
988 | continue; | |
989 | ||
990 | if (!startswith(de->d_name, "72-seat-")) | |
991 | continue; | |
992 | ||
993 | if (!endswith(de->d_name, ".rules")) | |
994 | continue; | |
995 | ||
996 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
997 | log_warning("Failed to unlink %s: %m", de->d_name); | |
998 | } | |
b668e064 LP |
999 | } |
1000 | ||
1001 | return trigger_device(m, NULL); | |
1002 | } | |
1003 | ||
89f13440 | 1004 | static int have_multiple_sessions( |
89f13440 | 1005 | Manager *m, |
409133be | 1006 | uid_t uid) { |
89f13440 | 1007 | |
2154761f MS |
1008 | Session *session; |
1009 | Iterator i; | |
89f13440 LP |
1010 | |
1011 | assert(m); | |
1012 | ||
1ca04b87 LP |
1013 | /* Check for other users' sessions. Greeter sessions do not |
1014 | * count, and non-login sessions do not count either. */ | |
2154761f | 1015 | HASHMAP_FOREACH(session, m->sessions, i) |
1ca04b87 | 1016 | if (session->class == SESSION_USER && |
1ca04b87 | 1017 | session->user->uid != uid) |
2154761f | 1018 | return true; |
89f13440 LP |
1019 | |
1020 | return false; | |
1021 | } | |
1022 | ||
314b4b0a LP |
1023 | static int bus_manager_log_shutdown( |
1024 | Manager *m, | |
1025 | InhibitWhat w, | |
1026 | const char *unit_name) { | |
1027 | ||
1028 | const char *p, *q; | |
1029 | ||
1030 | assert(m); | |
1031 | assert(unit_name); | |
1032 | ||
1033 | if (w != INHIBIT_SHUTDOWN) | |
1034 | return 0; | |
1035 | ||
1036 | if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { | |
1037 | p = "MESSAGE=System is powering down."; | |
1038 | q = "SHUTDOWN=power-off"; | |
1039 | } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { | |
1040 | p = "MESSAGE=System is halting."; | |
1041 | q = "SHUTDOWN=halt"; | |
1042 | } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { | |
1043 | p = "MESSAGE=System is rebooting."; | |
1044 | q = "SHUTDOWN=reboot"; | |
1045 | } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { | |
1046 | p = "MESSAGE=System is rebooting with kexec."; | |
1047 | q = "SHUTDOWN=kexec"; | |
1048 | } else { | |
1049 | p = "MESSAGE=System is shutting down."; | |
1050 | q = NULL; | |
1051 | } | |
1052 | ||
1053 | return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), | |
1054 | p, | |
1055 | q, NULL); | |
1056 | } | |
1057 | ||
1058 | static int execute_shutdown_or_sleep( | |
1059 | Manager *m, | |
1060 | InhibitWhat w, | |
1061 | const char *unit_name, | |
1062 | DBusError *error) { | |
1063 | ||
af9792ac | 1064 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
b85bddda | 1065 | const char *mode = "replace-irreversibly", *p; |
af9792ac LP |
1066 | int r; |
1067 | char *c; | |
eecd1362 | 1068 | |
af9792ac | 1069 | assert(m); |
314b4b0a LP |
1070 | assert(w >= 0); |
1071 | assert(w < _INHIBIT_WHAT_MAX); | |
d889a206 | 1072 | assert(unit_name); |
eecd1362 | 1073 | |
314b4b0a LP |
1074 | bus_manager_log_shutdown(m, w, unit_name); |
1075 | ||
af9792ac LP |
1076 | r = bus_method_call_with_reply( |
1077 | m->bus, | |
eecd1362 LP |
1078 | "org.freedesktop.systemd1", |
1079 | "/org/freedesktop/systemd1", | |
1080 | "org.freedesktop.systemd1.Manager", | |
b9c26b41 | 1081 | "StartUnit", |
af9792ac LP |
1082 | &reply, |
1083 | error, | |
b9c26b41 SP |
1084 | DBUS_TYPE_STRING, &unit_name, |
1085 | DBUS_TYPE_STRING, &mode, | |
1086 | DBUS_TYPE_INVALID); | |
af9792ac LP |
1087 | if (r < 0) |
1088 | return r; | |
1089 | ||
1090 | if (!dbus_message_get_args( | |
1091 | reply, | |
1092 | error, | |
1093 | DBUS_TYPE_OBJECT_PATH, &p, | |
1094 | DBUS_TYPE_INVALID)) | |
1095 | return -EINVAL; | |
1096 | ||
1097 | c = strdup(p); | |
1098 | if (!c) | |
1099 | return -ENOMEM; | |
1100 | ||
314b4b0a | 1101 | m->action_unit = unit_name; |
af9792ac LP |
1102 | free(m->action_job); |
1103 | m->action_job = c; | |
314b4b0a | 1104 | m->action_what = w; |
af9792ac LP |
1105 | |
1106 | return 0; | |
eecd1362 LP |
1107 | } |
1108 | ||
314b4b0a LP |
1109 | static int delay_shutdown_or_sleep( |
1110 | Manager *m, | |
1111 | InhibitWhat w, | |
1112 | const char *unit_name) { | |
eecd1362 | 1113 | |
eecd1362 | 1114 | assert(m); |
d889a206 LP |
1115 | assert(w >= 0); |
1116 | assert(w < _INHIBIT_WHAT_MAX); | |
314b4b0a | 1117 | assert(unit_name); |
eecd1362 | 1118 | |
314b4b0a LP |
1119 | m->action_timestamp = now(CLOCK_MONOTONIC); |
1120 | m->action_unit = unit_name; | |
1121 | m->action_what = w; | |
d889a206 LP |
1122 | |
1123 | return 0; | |
1124 | } | |
1125 | ||
1126 | static int bus_manager_can_shutdown_or_sleep( | |
1127 | Manager *m, | |
1128 | DBusConnection *connection, | |
1129 | DBusMessage *message, | |
1130 | InhibitWhat w, | |
1131 | const char *action, | |
1132 | const char *action_multiple_sessions, | |
1133 | const char *action_ignore_inhibit, | |
1134 | const char *sleep_type, | |
6524990f | 1135 | const char *sleep_disk_type, |
d889a206 LP |
1136 | DBusError *error, |
1137 | DBusMessage **_reply) { | |
1138 | ||
1139 | bool multiple_sessions, challenge, blocked, b; | |
7f643797 | 1140 | const char *result = NULL; |
ce0fc5f5 | 1141 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
d889a206 | 1142 | int r; |
409133be | 1143 | unsigned long ul; |
d889a206 LP |
1144 | |
1145 | assert(m); | |
1146 | assert(connection); | |
1147 | assert(message); | |
1148 | assert(w >= 0); | |
1149 | assert(w <= _INHIBIT_WHAT_MAX); | |
1150 | assert(action); | |
1151 | assert(action_multiple_sessions); | |
1152 | assert(action_ignore_inhibit); | |
1153 | assert(error); | |
1154 | assert(_reply); | |
1155 | ||
1156 | if (sleep_type) { | |
1157 | r = can_sleep(sleep_type); | |
1158 | if (r < 0) | |
1159 | return r; | |
1160 | ||
398f7c88 MC |
1161 | if (r == 0) { |
1162 | result = "na"; | |
1163 | goto finish; | |
1164 | } | |
d889a206 LP |
1165 | } |
1166 | ||
6524990f LP |
1167 | if (sleep_disk_type) { |
1168 | r = can_sleep_disk(sleep_disk_type); | |
1169 | if (r < 0) | |
1170 | return r; | |
1171 | ||
1172 | if (r == 0) { | |
1173 | result = "na"; | |
1174 | goto finish; | |
1175 | } | |
1176 | } | |
1177 | ||
409133be LP |
1178 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1179 | if (ul == (unsigned long) -1) | |
1180 | return -EIO; | |
1181 | ||
1182 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1183 | if (r < 0) |
1184 | return r; | |
1185 | ||
1186 | multiple_sessions = r > 0; | |
409133be | 1187 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1188 | |
1189 | if (multiple_sessions) { | |
1190 | r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); | |
1191 | if (r < 0) | |
1192 | return r; | |
1193 | ||
1194 | if (r > 0) | |
1195 | result = "yes"; | |
d5a745df LP |
1196 | else if (challenge) |
1197 | result = "challenge"; | |
1198 | else | |
1199 | result = "no"; | |
1200 | } | |
d889a206 LP |
1201 | |
1202 | if (blocked) { | |
1203 | r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); | |
1204 | if (r < 0) | |
1205 | return r; | |
1206 | ||
1207 | if (r > 0 && !result) | |
1208 | result = "yes"; | |
1209 | else if (challenge && (!result || streq(result, "yes"))) | |
1210 | result = "challenge"; | |
1211 | else | |
1212 | result = "no"; | |
1213 | } | |
1214 | ||
1215 | if (!multiple_sessions && !blocked) { | |
1216 | /* If neither inhibit nor multiple sessions | |
1217 | * apply then just check the normal policy */ | |
1218 | ||
1219 | r = verify_polkit(connection, message, action, false, &challenge, error); | |
1220 | if (r < 0) | |
1221 | return r; | |
1222 | ||
1223 | if (r > 0) | |
1224 | result = "yes"; | |
1225 | else if (challenge) | |
1226 | result = "challenge"; | |
1227 | else | |
1228 | result = "no"; | |
1229 | } | |
1230 | ||
1231 | finish: | |
1232 | reply = dbus_message_new_method_return(message); | |
1233 | if (!reply) | |
1234 | return -ENOMEM; | |
1235 | ||
1236 | b = dbus_message_append_args( | |
1237 | reply, | |
1238 | DBUS_TYPE_STRING, &result, | |
1239 | DBUS_TYPE_INVALID); | |
4654e558 | 1240 | if (!b) |
d889a206 | 1241 | return -ENOMEM; |
d889a206 LP |
1242 | |
1243 | *_reply = reply; | |
ce0fc5f5 | 1244 | reply = NULL; |
d889a206 LP |
1245 | return 0; |
1246 | } | |
1247 | ||
314b4b0a LP |
1248 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
1249 | static const char * const signal_name[_INHIBIT_WHAT_MAX] = { | |
1250 | [INHIBIT_SHUTDOWN] = "PrepareForShutdown", | |
1251 | [INHIBIT_SLEEP] = "PrepareForSleep" | |
1252 | }; | |
877d54e9 | 1253 | |
314b4b0a LP |
1254 | dbus_bool_t active = _active; |
1255 | _cleanup_dbus_message_unref_ DBusMessage *message = NULL; | |
877d54e9 LP |
1256 | |
1257 | assert(m); | |
314b4b0a LP |
1258 | assert(w >= 0); |
1259 | assert(w < _INHIBIT_WHAT_MAX); | |
1260 | assert(signal_name[w]); | |
877d54e9 | 1261 | |
314b4b0a LP |
1262 | message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); |
1263 | if (!message) | |
1264 | return -ENOMEM; | |
877d54e9 | 1265 | |
314b4b0a LP |
1266 | if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || |
1267 | !dbus_connection_send(m->bus, message, NULL)) | |
1268 | return -ENOMEM; | |
877d54e9 | 1269 | |
314b4b0a | 1270 | return 0; |
877d54e9 LP |
1271 | } |
1272 | ||
069cfc85 LP |
1273 | int bus_manager_shutdown_or_sleep_now_or_later( |
1274 | Manager *m, | |
1275 | const char *unit_name, | |
1276 | InhibitWhat w, | |
1277 | DBusError *error) { | |
1278 | ||
1279 | bool delayed; | |
1280 | int r; | |
1281 | ||
1282 | assert(m); | |
1283 | assert(unit_name); | |
1284 | assert(w >= 0); | |
1285 | assert(w <= _INHIBIT_WHAT_MAX); | |
af9792ac | 1286 | assert(!m->action_job); |
069cfc85 | 1287 | |
314b4b0a LP |
1288 | /* Tell everybody to prepare for shutdown/sleep */ |
1289 | send_prepare_for(m, w, true); | |
1290 | ||
069cfc85 LP |
1291 | delayed = |
1292 | m->inhibit_delay_max > 0 && | |
409133be | 1293 | manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); |
069cfc85 LP |
1294 | |
1295 | if (delayed) | |
1296 | /* Shutdown is delayed, keep in mind what we | |
1297 | * want to do, and start a timeout */ | |
1298 | r = delay_shutdown_or_sleep(m, w, unit_name); | |
314b4b0a | 1299 | else |
069cfc85 LP |
1300 | /* Shutdown is not delayed, execute it |
1301 | * immediately */ | |
314b4b0a | 1302 | r = execute_shutdown_or_sleep(m, w, unit_name, error); |
069cfc85 LP |
1303 | |
1304 | return r; | |
1305 | } | |
1306 | ||
d889a206 LP |
1307 | static int bus_manager_do_shutdown_or_sleep( |
1308 | Manager *m, | |
1309 | DBusConnection *connection, | |
1310 | DBusMessage *message, | |
1311 | const char *unit_name, | |
1312 | InhibitWhat w, | |
1313 | const char *action, | |
1314 | const char *action_multiple_sessions, | |
1315 | const char *action_ignore_inhibit, | |
1316 | const char *sleep_type, | |
6524990f | 1317 | const char *sleep_disk_type, |
d889a206 LP |
1318 | DBusError *error, |
1319 | DBusMessage **_reply) { | |
1320 | ||
1321 | dbus_bool_t interactive; | |
069cfc85 | 1322 | bool multiple_sessions, blocked; |
d889a206 LP |
1323 | DBusMessage *reply = NULL; |
1324 | int r; | |
409133be | 1325 | unsigned long ul; |
d889a206 LP |
1326 | |
1327 | assert(m); | |
1328 | assert(connection); | |
1329 | assert(message); | |
1330 | assert(unit_name); | |
1331 | assert(w >= 0); | |
1332 | assert(w <= _INHIBIT_WHAT_MAX); | |
1333 | assert(action); | |
1334 | assert(action_multiple_sessions); | |
1335 | assert(action_ignore_inhibit); | |
1336 | assert(error); | |
1337 | assert(_reply); | |
1338 | ||
314b4b0a LP |
1339 | /* Don't allow multiple jobs being executed at the same time */ |
1340 | if (m->action_what) | |
af9792ac LP |
1341 | return -EALREADY; |
1342 | ||
d889a206 LP |
1343 | if (!dbus_message_get_args( |
1344 | message, | |
1345 | error, | |
1346 | DBUS_TYPE_BOOLEAN, &interactive, | |
1347 | DBUS_TYPE_INVALID)) | |
1348 | return -EINVAL; | |
1349 | ||
1350 | if (sleep_type) { | |
1351 | r = can_sleep(sleep_type); | |
1352 | if (r < 0) | |
1353 | return r; | |
1354 | ||
1355 | if (r == 0) | |
1356 | return -ENOTSUP; | |
1357 | } | |
1358 | ||
6524990f LP |
1359 | if (sleep_disk_type) { |
1360 | r = can_sleep_disk(sleep_disk_type); | |
1361 | if (r < 0) | |
1362 | return r; | |
1363 | ||
1364 | if (r == 0) | |
1365 | return -ENOTSUP; | |
1366 | } | |
1367 | ||
409133be LP |
1368 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); |
1369 | if (ul == (unsigned long) -1) | |
1370 | return -EIO; | |
1371 | ||
1372 | r = have_multiple_sessions(m, (uid_t) ul); | |
d889a206 LP |
1373 | if (r < 0) |
1374 | return r; | |
1375 | ||
1376 | multiple_sessions = r > 0; | |
409133be | 1377 | blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); |
d889a206 LP |
1378 | |
1379 | if (multiple_sessions) { | |
1380 | r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); | |
1381 | if (r < 0) | |
1382 | return r; | |
1383 | } | |
1384 | ||
1385 | if (blocked) { | |
1386 | r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); | |
1387 | if (r < 0) | |
1388 | return r; | |
1389 | } | |
1390 | ||
1391 | if (!multiple_sessions && !blocked) { | |
1392 | r = verify_polkit(connection, message, action, interactive, NULL, error); | |
1393 | if (r < 0) | |
1394 | return r; | |
1395 | } | |
1396 | ||
069cfc85 | 1397 | r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); |
d889a206 LP |
1398 | if (r < 0) |
1399 | return r; | |
1400 | ||
1401 | reply = dbus_message_new_method_return(message); | |
1402 | if (!reply) | |
1403 | return -ENOMEM; | |
eecd1362 | 1404 | |
d889a206 | 1405 | *_reply = reply; |
eecd1362 LP |
1406 | return 0; |
1407 | } | |
1408 | ||
23406ce5 | 1409 | static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction); |
069cfc85 | 1410 | |
d200735e MS |
1411 | static const BusProperty bus_login_manager_properties[] = { |
1412 | { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, | |
1413 | { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, | |
1414 | { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true }, | |
1415 | { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, | |
1416 | { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, | |
1417 | { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, | |
1418 | { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, | |
1419 | { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, | |
1420 | { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, | |
1421 | { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, | |
eecd1362 LP |
1422 | { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, |
1423 | { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, | |
1424 | { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, | |
23406ce5 LP |
1425 | { "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) }, |
1426 | { "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) }, | |
1427 | { "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)}, | |
1428 | { "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) }, | |
1429 | { "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) }, | |
1430 | { "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) }, | |
5e4a79da LP |
1431 | { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, |
1432 | { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, | |
d200735e MS |
1433 | { NULL, } |
1434 | }; | |
1435 | ||
3f49d45a LP |
1436 | static DBusHandlerResult manager_message_handler( |
1437 | DBusConnection *connection, | |
1438 | DBusMessage *message, | |
1439 | void *userdata) { | |
1440 | ||
1441 | Manager *m = userdata; | |
1442 | ||
3f49d45a | 1443 | DBusError error; |
ce0fc5f5 | 1444 | _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; |
bef422ae | 1445 | int r; |
3f49d45a LP |
1446 | |
1447 | assert(connection); | |
1448 | assert(message); | |
1449 | assert(m); | |
1450 | ||
1451 | dbus_error_init(&error); | |
1452 | ||
bef422ae LP |
1453 | if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { |
1454 | const char *name; | |
1455 | char *p; | |
1456 | Session *session; | |
1457 | bool b; | |
1458 | ||
1459 | if (!dbus_message_get_args( | |
1460 | message, | |
1461 | &error, | |
1462 | DBUS_TYPE_STRING, &name, | |
1463 | DBUS_TYPE_INVALID)) | |
1464 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1465 | ||
1466 | session = hashmap_get(m->sessions, name); | |
1467 | if (!session) | |
1468 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1469 | ||
1470 | reply = dbus_message_new_method_return(message); | |
1471 | if (!reply) | |
1472 | goto oom; | |
1473 | ||
1474 | p = session_bus_path(session); | |
c4aa65e7 LP |
1475 | if (!p) |
1476 | goto oom; | |
1477 | ||
1478 | b = dbus_message_append_args( | |
1479 | reply, | |
1480 | DBUS_TYPE_OBJECT_PATH, &p, | |
1481 | DBUS_TYPE_INVALID); | |
1482 | free(p); | |
1483 | ||
1484 | if (!b) | |
1485 | goto oom; | |
1486 | ||
1487 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { | |
1488 | uint32_t pid; | |
1489 | char *p; | |
1490 | Session *session; | |
1491 | bool b; | |
1492 | ||
1493 | if (!dbus_message_get_args( | |
1494 | message, | |
1495 | &error, | |
1496 | DBUS_TYPE_UINT32, &pid, | |
1497 | DBUS_TYPE_INVALID)) | |
1498 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1499 | ||
1500 | r = manager_get_session_by_pid(m, pid, &session); | |
1501 | if (r <= 0) | |
1502 | return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); | |
1503 | ||
1504 | reply = dbus_message_new_method_return(message); | |
1505 | if (!reply) | |
1506 | goto oom; | |
1507 | ||
1508 | p = session_bus_path(session); | |
bef422ae LP |
1509 | if (!p) |
1510 | goto oom; | |
1511 | ||
1512 | b = dbus_message_append_args( | |
1513 | reply, | |
1514 | DBUS_TYPE_OBJECT_PATH, &p, | |
1515 | DBUS_TYPE_INVALID); | |
1516 | free(p); | |
1517 | ||
1518 | if (!b) | |
1519 | goto oom; | |
1520 | ||
1521 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { | |
1522 | uint32_t uid; | |
1523 | char *p; | |
1524 | User *user; | |
1525 | bool b; | |
1526 | ||
1527 | if (!dbus_message_get_args( | |
1528 | message, | |
1529 | &error, | |
1530 | DBUS_TYPE_UINT32, &uid, | |
1531 | DBUS_TYPE_INVALID)) | |
1532 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1533 | ||
1534 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1535 | if (!user) | |
1536 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1537 | ||
1538 | reply = dbus_message_new_method_return(message); | |
1539 | if (!reply) | |
1540 | goto oom; | |
1541 | ||
1542 | p = user_bus_path(user); | |
1543 | if (!p) | |
1544 | goto oom; | |
1545 | ||
1546 | b = dbus_message_append_args( | |
1547 | reply, | |
1548 | DBUS_TYPE_OBJECT_PATH, &p, | |
1549 | DBUS_TYPE_INVALID); | |
1550 | free(p); | |
1551 | ||
1552 | if (!b) | |
1553 | goto oom; | |
1554 | ||
1555 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { | |
1556 | const char *name; | |
1557 | char *p; | |
1558 | Seat *seat; | |
1559 | bool b; | |
1560 | ||
1561 | if (!dbus_message_get_args( | |
1562 | message, | |
1563 | &error, | |
1564 | DBUS_TYPE_STRING, &name, | |
1565 | DBUS_TYPE_INVALID)) | |
1566 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1567 | ||
1568 | seat = hashmap_get(m->seats, name); | |
1569 | if (!seat) | |
1570 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1571 | ||
1572 | reply = dbus_message_new_method_return(message); | |
1573 | if (!reply) | |
1574 | goto oom; | |
1575 | ||
1576 | p = seat_bus_path(seat); | |
1577 | if (!p) | |
1578 | goto oom; | |
1579 | ||
1580 | b = dbus_message_append_args( | |
1581 | reply, | |
1582 | DBUS_TYPE_OBJECT_PATH, &p, | |
1583 | DBUS_TYPE_INVALID); | |
1584 | free(p); | |
1585 | ||
1586 | if (!b) | |
1587 | goto oom; | |
1588 | ||
e1c9c2d5 LP |
1589 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { |
1590 | char *p; | |
1591 | Session *session; | |
1592 | Iterator i; | |
1593 | DBusMessageIter iter, sub; | |
1594 | const char *empty = ""; | |
1595 | ||
1596 | reply = dbus_message_new_method_return(message); | |
1597 | if (!reply) | |
1598 | goto oom; | |
1599 | ||
1600 | dbus_message_iter_init_append(reply, &iter); | |
1601 | ||
dec15e92 | 1602 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) |
e1c9c2d5 LP |
1603 | goto oom; |
1604 | ||
1605 | HASHMAP_FOREACH(session, m->sessions, i) { | |
1606 | DBusMessageIter sub2; | |
1607 | uint32_t uid; | |
1608 | ||
1609 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1610 | goto oom; | |
1611 | ||
1612 | uid = session->user->uid; | |
1613 | ||
1614 | p = session_bus_path(session); | |
1615 | if (!p) | |
1616 | goto oom; | |
1617 | ||
1618 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || | |
1619 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1620 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || | |
1621 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || | |
1622 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1623 | free(p); | |
1624 | goto oom; | |
1625 | } | |
1626 | ||
1627 | free(p); | |
1628 | ||
1629 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1630 | goto oom; | |
1631 | } | |
1632 | ||
1633 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1634 | goto oom; | |
1635 | ||
1636 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { | |
1637 | char *p; | |
1638 | User *user; | |
1639 | Iterator i; | |
1640 | DBusMessageIter iter, sub; | |
1641 | ||
1642 | reply = dbus_message_new_method_return(message); | |
1643 | if (!reply) | |
1644 | goto oom; | |
1645 | ||
1646 | dbus_message_iter_init_append(reply, &iter); | |
1647 | ||
dec15e92 | 1648 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) |
e1c9c2d5 LP |
1649 | goto oom; |
1650 | ||
1651 | HASHMAP_FOREACH(user, m->users, i) { | |
1652 | DBusMessageIter sub2; | |
1653 | uint32_t uid; | |
1654 | ||
1655 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1656 | goto oom; | |
1657 | ||
1658 | uid = user->uid; | |
1659 | ||
1660 | p = user_bus_path(user); | |
1661 | if (!p) | |
1662 | goto oom; | |
1663 | ||
1664 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1665 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || | |
1666 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1667 | free(p); | |
1668 | goto oom; | |
1669 | } | |
1670 | ||
1671 | free(p); | |
1672 | ||
1673 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1674 | goto oom; | |
1675 | } | |
1676 | ||
1677 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1678 | goto oom; | |
1679 | ||
1680 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { | |
1681 | char *p; | |
1682 | Seat *seat; | |
1683 | Iterator i; | |
1684 | DBusMessageIter iter, sub; | |
1685 | ||
1686 | reply = dbus_message_new_method_return(message); | |
1687 | if (!reply) | |
1688 | goto oom; | |
1689 | ||
1690 | dbus_message_iter_init_append(reply, &iter); | |
1691 | ||
dec15e92 | 1692 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) |
e1c9c2d5 LP |
1693 | goto oom; |
1694 | ||
1695 | HASHMAP_FOREACH(seat, m->seats, i) { | |
1696 | DBusMessageIter sub2; | |
1697 | ||
1698 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1699 | goto oom; | |
1700 | ||
1701 | p = seat_bus_path(seat); | |
1702 | if (!p) | |
1703 | goto oom; | |
1704 | ||
1705 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || | |
1706 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1707 | free(p); | |
1708 | goto oom; | |
1709 | } | |
1710 | ||
1711 | free(p); | |
1712 | ||
1713 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1714 | goto oom; | |
1715 | } | |
1716 | ||
1717 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1718 | goto oom; | |
1719 | ||
f8e2fb7b LP |
1720 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { |
1721 | Inhibitor *inhibitor; | |
1722 | Iterator i; | |
1723 | DBusMessageIter iter, sub; | |
1724 | ||
1725 | reply = dbus_message_new_method_return(message); | |
1726 | if (!reply) | |
1727 | goto oom; | |
1728 | ||
1729 | dbus_message_iter_init_append(reply, &iter); | |
1730 | ||
eecd1362 | 1731 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) |
f8e2fb7b LP |
1732 | goto oom; |
1733 | ||
1734 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
1735 | DBusMessageIter sub2; | |
1736 | dbus_uint32_t uid, pid; | |
eecd1362 | 1737 | const char *what, *who, *why, *mode; |
f8e2fb7b LP |
1738 | |
1739 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1740 | goto oom; | |
1741 | ||
eecd1362 | 1742 | what = strempty(inhibit_what_to_string(inhibitor->what)); |
f8e2fb7b LP |
1743 | who = strempty(inhibitor->who); |
1744 | why = strempty(inhibitor->why); | |
eecd1362 | 1745 | mode = strempty(inhibit_mode_to_string(inhibitor->mode)); |
f8e2fb7b LP |
1746 | uid = (dbus_uint32_t) inhibitor->uid; |
1747 | pid = (dbus_uint32_t) inhibitor->pid; | |
1748 | ||
1749 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || | |
1750 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || | |
1751 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || | |
eecd1362 | 1752 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || |
f8e2fb7b LP |
1753 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || |
1754 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) | |
1755 | goto oom; | |
1756 | ||
1757 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1758 | goto oom; | |
1759 | } | |
1760 | ||
1761 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1762 | goto oom; | |
1763 | ||
1764 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { | |
1765 | ||
1766 | r = bus_manager_inhibit(m, connection, message, &error, &reply); | |
1767 | ||
1768 | if (r < 0) | |
1769 | return bus_send_error_reply(connection, message, &error, r); | |
1770 | ||
1771 | ||
98a28fef LP |
1772 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { |
1773 | ||
1774 | r = bus_manager_create_session(m, message, &reply); | |
688c56ff LP |
1775 | |
1776 | /* Don't delay the work on OOM here, since it might be | |
1777 | * triggered by a low RLIMIT_NOFILE here (since we | |
1778 | * send a dupped fd to the client), and we'd rather | |
1779 | * see this fail quickly then be retried later */ | |
98a28fef LP |
1780 | |
1781 | if (r < 0) | |
f8e2fb7b | 1782 | return bus_send_error_reply(connection, message, NULL, r); |
98a28fef | 1783 | |
75c8e3cf LP |
1784 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { |
1785 | const char *name; | |
1786 | Session *session; | |
1787 | ||
1788 | if (!dbus_message_get_args( | |
1789 | message, | |
1790 | &error, | |
1791 | DBUS_TYPE_STRING, &name, | |
1792 | DBUS_TYPE_INVALID)) | |
1793 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1794 | ||
1795 | session = hashmap_get(m->sessions, name); | |
1796 | if (!session) | |
1797 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1798 | ||
1799 | /* We use the FIFO to detect stray sessions where the | |
1800 | process invoking PAM dies abnormally. We need to make | |
1801 | sure that that process is not killed if at the clean | |
1802 | end of the session it closes the FIFO. Hence, with | |
1803 | this call explicitly turn off the FIFO logic, so that | |
1804 | the PAM code can finish clean up on its own */ | |
1805 | session_remove_fifo(session); | |
1806 | ||
1807 | reply = dbus_message_new_method_return(message); | |
1808 | if (!reply) | |
1809 | goto oom; | |
1810 | ||
bef422ae LP |
1811 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { |
1812 | const char *name; | |
1813 | Session *session; | |
1814 | ||
1815 | if (!dbus_message_get_args( | |
1816 | message, | |
1817 | &error, | |
1818 | DBUS_TYPE_STRING, &name, | |
1819 | DBUS_TYPE_INVALID)) | |
1820 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1821 | ||
1822 | session = hashmap_get(m->sessions, name); | |
1823 | if (!session) | |
1824 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1825 | ||
1826 | r = session_activate(session); | |
1827 | if (r < 0) | |
1828 | return bus_send_error_reply(connection, message, NULL, r); | |
1829 | ||
1830 | reply = dbus_message_new_method_return(message); | |
1831 | if (!reply) | |
1832 | goto oom; | |
1833 | ||
84c3361e LP |
1834 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { |
1835 | const char *session_name, *seat_name; | |
1836 | Session *session; | |
1837 | Seat *seat; | |
1838 | ||
1839 | /* Same as ActivateSession() but refuses to work if | |
1840 | * the seat doesn't match */ | |
1841 | ||
1842 | if (!dbus_message_get_args( | |
1843 | message, | |
1844 | &error, | |
1845 | DBUS_TYPE_STRING, &session_name, | |
1846 | DBUS_TYPE_STRING, &seat_name, | |
1847 | DBUS_TYPE_INVALID)) | |
1848 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1849 | ||
1850 | session = hashmap_get(m->sessions, session_name); | |
1851 | if (!session) | |
1852 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1853 | ||
1854 | seat = hashmap_get(m->seats, seat_name); | |
1855 | if (!seat) | |
1856 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1857 | ||
1858 | if (session->seat != seat) | |
1859 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1860 | ||
1861 | r = session_activate(session); | |
1862 | if (r < 0) | |
1863 | return bus_send_error_reply(connection, message, NULL, r); | |
1864 | ||
1865 | reply = dbus_message_new_method_return(message); | |
1866 | if (!reply) | |
1867 | goto oom; | |
1868 | ||
88e3dc90 LP |
1869 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || |
1870 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { | |
1871 | const char *name; | |
1872 | Session *session; | |
1873 | ||
1874 | if (!dbus_message_get_args( | |
1875 | message, | |
1876 | &error, | |
1877 | DBUS_TYPE_STRING, &name, | |
1878 | DBUS_TYPE_INVALID)) | |
1879 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1880 | ||
1881 | session = hashmap_get(m->sessions, name); | |
1882 | if (!session) | |
7ba64386 | 1883 | return bus_send_error_reply(connection, message, NULL, -ENOENT); |
88e3dc90 LP |
1884 | |
1885 | if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) | |
1886 | goto oom; | |
1887 | ||
1888 | reply = dbus_message_new_method_return(message); | |
1889 | if (!reply) | |
1890 | goto oom; | |
1891 | ||
b6160029 LP |
1892 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions") || |
1893 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSessions")) { | |
1894 | ||
1895 | r = session_send_lock_all(m, streq(dbus_message_get_member(message), "LockSessions")); | |
7ba64386 LP |
1896 | if (r < 0) |
1897 | bus_send_error_reply(connection, message, NULL, r); | |
fa2b196d LP |
1898 | |
1899 | reply = dbus_message_new_method_return(message); | |
1900 | if (!reply) | |
1901 | goto oom; | |
1902 | ||
de07ab16 LP |
1903 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { |
1904 | const char *swho; | |
1905 | int32_t signo; | |
1906 | KillWho who; | |
1907 | const char *name; | |
1908 | Session *session; | |
1909 | ||
1910 | if (!dbus_message_get_args( | |
1911 | message, | |
1912 | &error, | |
1913 | DBUS_TYPE_STRING, &name, | |
1914 | DBUS_TYPE_STRING, &swho, | |
1915 | DBUS_TYPE_INT32, &signo, | |
1916 | DBUS_TYPE_INVALID)) | |
1917 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1918 | ||
1919 | if (isempty(swho)) | |
1920 | who = KILL_ALL; | |
1921 | else { | |
1922 | who = kill_who_from_string(swho); | |
1923 | if (who < 0) | |
1924 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1925 | } | |
1926 | ||
1927 | if (signo <= 0 || signo >= _NSIG) | |
1928 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1929 | ||
1930 | session = hashmap_get(m->sessions, name); | |
1931 | if (!session) | |
1932 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1933 | ||
1934 | r = session_kill(session, who, signo); | |
1935 | if (r < 0) | |
1936 | return bus_send_error_reply(connection, message, NULL, r); | |
1937 | ||
1938 | reply = dbus_message_new_method_return(message); | |
1939 | if (!reply) | |
1940 | goto oom; | |
1941 | ||
1942 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { | |
1943 | uint32_t uid; | |
1944 | User *user; | |
1945 | int32_t signo; | |
1946 | ||
1947 | if (!dbus_message_get_args( | |
1948 | message, | |
1949 | &error, | |
1950 | DBUS_TYPE_UINT32, &uid, | |
1951 | DBUS_TYPE_INT32, &signo, | |
1952 | DBUS_TYPE_INVALID)) | |
1953 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1954 | ||
1955 | if (signo <= 0 || signo >= _NSIG) | |
1956 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1957 | ||
1958 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1959 | if (!user) | |
1960 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1961 | ||
1962 | r = user_kill(user, signo); | |
1963 | if (r < 0) | |
1964 | return bus_send_error_reply(connection, message, NULL, r); | |
1965 | ||
1966 | reply = dbus_message_new_method_return(message); | |
1967 | if (!reply) | |
1968 | goto oom; | |
1969 | ||
bef422ae LP |
1970 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { |
1971 | const char *name; | |
1972 | Session *session; | |
1973 | ||
1974 | if (!dbus_message_get_args( | |
1975 | message, | |
1976 | &error, | |
1977 | DBUS_TYPE_STRING, &name, | |
1978 | DBUS_TYPE_INVALID)) | |
1979 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1980 | ||
1981 | session = hashmap_get(m->sessions, name); | |
1982 | if (!session) | |
1983 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1984 | ||
1985 | r = session_stop(session); | |
1986 | if (r < 0) | |
1987 | return bus_send_error_reply(connection, message, NULL, r); | |
1988 | ||
1989 | reply = dbus_message_new_method_return(message); | |
1990 | if (!reply) | |
1991 | goto oom; | |
1992 | ||
1993 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { | |
1994 | uint32_t uid; | |
1995 | User *user; | |
1996 | ||
1997 | if (!dbus_message_get_args( | |
1998 | message, | |
1999 | &error, | |
2000 | DBUS_TYPE_UINT32, &uid, | |
2001 | DBUS_TYPE_INVALID)) | |
2002 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2003 | ||
2004 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
2005 | if (!user) | |
2006 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
2007 | ||
2008 | r = user_stop(user); | |
2009 | if (r < 0) | |
2010 | return bus_send_error_reply(connection, message, NULL, r); | |
2011 | ||
2012 | reply = dbus_message_new_method_return(message); | |
2013 | if (!reply) | |
2014 | goto oom; | |
2015 | ||
2016 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { | |
2017 | const char *name; | |
2018 | Seat *seat; | |
2019 | ||
2020 | if (!dbus_message_get_args( | |
2021 | message, | |
2022 | &error, | |
2023 | DBUS_TYPE_STRING, &name, | |
2024 | DBUS_TYPE_INVALID)) | |
2025 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2026 | ||
2027 | seat = hashmap_get(m->seats, name); | |
2028 | if (!seat) | |
2029 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
2030 | ||
2031 | r = seat_stop_sessions(seat); | |
2032 | if (r < 0) | |
2033 | return bus_send_error_reply(connection, message, NULL, r); | |
2034 | ||
2035 | reply = dbus_message_new_method_return(message); | |
2036 | if (!reply) | |
2037 | goto oom; | |
2038 | ||
7f7bb946 LP |
2039 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { |
2040 | uint32_t uid; | |
2041 | struct passwd *pw; | |
2042 | dbus_bool_t b, interactive; | |
2043 | char *path; | |
2044 | ||
2045 | if (!dbus_message_get_args( | |
2046 | message, | |
2047 | &error, | |
2048 | DBUS_TYPE_UINT32, &uid, | |
2049 | DBUS_TYPE_BOOLEAN, &b, | |
2050 | DBUS_TYPE_BOOLEAN, &interactive, | |
2051 | DBUS_TYPE_INVALID)) | |
2052 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2053 | ||
2054 | errno = 0; | |
2055 | pw = getpwuid(uid); | |
2056 | if (!pw) | |
2057 | return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); | |
2058 | ||
89f13440 | 2059 | r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); |
7f7bb946 LP |
2060 | if (r < 0) |
2061 | return bus_send_error_reply(connection, message, &error, r); | |
2062 | ||
d2e54fae | 2063 | mkdir_p_label("/var/lib/systemd", 0755); |
02b16a19 | 2064 | |
d2e54fae | 2065 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); |
7f7bb946 LP |
2066 | if (r < 0) |
2067 | return bus_send_error_reply(connection, message, &error, r); | |
2068 | ||
2069 | path = strappend("/var/lib/systemd/linger/", pw->pw_name); | |
2070 | if (!path) | |
2071 | goto oom; | |
2072 | ||
2073 | if (b) { | |
38f3fc7d LP |
2074 | User *u; |
2075 | ||
7f7bb946 LP |
2076 | r = touch(path); |
2077 | free(path); | |
2078 | ||
2079 | if (r < 0) | |
2080 | return bus_send_error_reply(connection, message, &error, r); | |
38f3fc7d LP |
2081 | |
2082 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
2083 | user_start(u); | |
2084 | ||
7f7bb946 | 2085 | } else { |
38f3fc7d LP |
2086 | User *u; |
2087 | ||
7f7bb946 LP |
2088 | r = unlink(path); |
2089 | free(path); | |
2090 | ||
2091 | if (r < 0 && errno != ENOENT) | |
2092 | return bus_send_error_reply(connection, message, &error, -errno); | |
38f3fc7d LP |
2093 | |
2094 | u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
2095 | if (u) | |
2096 | user_add_to_gc_queue(u); | |
7f7bb946 LP |
2097 | } |
2098 | ||
2099 | reply = dbus_message_new_method_return(message); | |
2100 | if (!reply) | |
2101 | goto oom; | |
2102 | ||
47a26690 LP |
2103 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { |
2104 | const char *sysfs, *seat; | |
2105 | dbus_bool_t interactive; | |
2106 | ||
2107 | if (!dbus_message_get_args( | |
2108 | message, | |
2109 | &error, | |
2110 | DBUS_TYPE_STRING, &seat, | |
2111 | DBUS_TYPE_STRING, &sysfs, | |
2112 | DBUS_TYPE_BOOLEAN, &interactive, | |
2113 | DBUS_TYPE_INVALID)) | |
2114 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2115 | ||
2116 | if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) | |
2117 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2118 | ||
89f13440 | 2119 | r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); |
47a26690 LP |
2120 | if (r < 0) |
2121 | return bus_send_error_reply(connection, message, &error, r); | |
2122 | ||
2123 | r = attach_device(m, seat, sysfs); | |
2124 | if (r < 0) | |
2125 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2126 | ||
2127 | reply = dbus_message_new_method_return(message); | |
2128 | if (!reply) | |
2129 | goto oom; | |
7f7bb946 | 2130 | |
b668e064 LP |
2131 | |
2132 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { | |
2133 | dbus_bool_t interactive; | |
2134 | ||
2135 | if (!dbus_message_get_args( | |
2136 | message, | |
2137 | &error, | |
2138 | DBUS_TYPE_BOOLEAN, &interactive, | |
2139 | DBUS_TYPE_INVALID)) | |
2140 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
2141 | ||
89f13440 | 2142 | r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); |
b668e064 LP |
2143 | if (r < 0) |
2144 | return bus_send_error_reply(connection, message, &error, r); | |
2145 | ||
2146 | r = flush_devices(m); | |
2147 | if (r < 0) | |
2148 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
2149 | ||
2150 | reply = dbus_message_new_method_return(message); | |
2151 | if (!reply) | |
2152 | goto oom; | |
2153 | ||
d889a206 LP |
2154 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) { |
2155 | ||
2156 | r = bus_manager_do_shutdown_or_sleep( | |
2157 | m, connection, message, | |
2158 | SPECIAL_POWEROFF_TARGET, | |
2159 | INHIBIT_SHUTDOWN, | |
2160 | "org.freedesktop.login1.power-off", | |
2161 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2162 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2163 | NULL, NULL, |
d889a206 | 2164 | &error, &reply); |
89f13440 LP |
2165 | if (r < 0) |
2166 | return bus_send_error_reply(connection, message, &error, r); | |
d889a206 LP |
2167 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { |
2168 | r = bus_manager_do_shutdown_or_sleep( | |
2169 | m, connection, message, | |
2170 | SPECIAL_REBOOT_TARGET, | |
2171 | INHIBIT_SHUTDOWN, | |
2172 | "org.freedesktop.login1.reboot", | |
2173 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2174 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2175 | NULL, NULL, |
d889a206 | 2176 | &error, &reply); |
89f13440 LP |
2177 | if (r < 0) |
2178 | return bus_send_error_reply(connection, message, &error, r); | |
2179 | ||
d889a206 LP |
2180 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) { |
2181 | r = bus_manager_do_shutdown_or_sleep( | |
2182 | m, connection, message, | |
2183 | SPECIAL_SUSPEND_TARGET, | |
2184 | INHIBIT_SLEEP, | |
2185 | "org.freedesktop.login1.suspend", | |
2186 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2187 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2188 | "mem", 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", "Hibernate")) { | |
2193 | r = bus_manager_do_shutdown_or_sleep( | |
2194 | m, connection, message, | |
2195 | SPECIAL_HIBERNATE_TARGET, | |
2196 | INHIBIT_SLEEP, | |
2197 | "org.freedesktop.login1.hibernate", | |
2198 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2199 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2200 | "disk", NULL, |
2201 | &error, &reply); | |
2202 | if (r < 0) | |
2203 | return bus_send_error_reply(connection, message, &error, r); | |
2204 | ||
2205 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) { | |
2206 | r = bus_manager_do_shutdown_or_sleep( | |
2207 | m, connection, message, | |
2208 | SPECIAL_HYBRID_SLEEP_TARGET, | |
2209 | INHIBIT_SLEEP, | |
2210 | "org.freedesktop.login1.hibernate", | |
2211 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2212 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2213 | "disk", "suspend", | |
d889a206 LP |
2214 | &error, &reply); |
2215 | if (r < 0) | |
2216 | return bus_send_error_reply(connection, message, &error, r); | |
f8e2fb7b | 2217 | |
d889a206 | 2218 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) { |
f8e2fb7b | 2219 | |
d889a206 LP |
2220 | r = bus_manager_can_shutdown_or_sleep( |
2221 | m, connection, message, | |
2222 | INHIBIT_SHUTDOWN, | |
2223 | "org.freedesktop.login1.power-off", | |
2224 | "org.freedesktop.login1.power-off-multiple-sessions", | |
2225 | "org.freedesktop.login1.power-off-ignore-inhibit", | |
6524990f | 2226 | NULL, NULL, |
d889a206 LP |
2227 | &error, &reply); |
2228 | if (r < 0) | |
2229 | return bus_send_error_reply(connection, message, &error, r); | |
2230 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { | |
2231 | r = bus_manager_can_shutdown_or_sleep( | |
2232 | m, connection, message, | |
2233 | INHIBIT_SHUTDOWN, | |
2234 | "org.freedesktop.login1.reboot", | |
2235 | "org.freedesktop.login1.reboot-multiple-sessions", | |
2236 | "org.freedesktop.login1.reboot-ignore-inhibit", | |
6524990f | 2237 | NULL, NULL, |
d889a206 LP |
2238 | &error, &reply); |
2239 | if (r < 0) | |
2240 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2241 | |
d889a206 LP |
2242 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) { |
2243 | r = bus_manager_can_shutdown_or_sleep( | |
2244 | m, connection, message, | |
2245 | INHIBIT_SLEEP, | |
2246 | "org.freedesktop.login1.suspend", | |
2247 | "org.freedesktop.login1.suspend-multiple-sessions", | |
2248 | "org.freedesktop.login1.suspend-ignore-inhibit", | |
6524990f | 2249 | "mem", NULL, |
d889a206 LP |
2250 | &error, &reply); |
2251 | if (r < 0) | |
2252 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2253 | |
d889a206 LP |
2254 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) { |
2255 | r = bus_manager_can_shutdown_or_sleep( | |
2256 | m, connection, message, | |
2257 | INHIBIT_SLEEP, | |
2258 | "org.freedesktop.login1.hibernate", | |
2259 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2260 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
6524990f LP |
2261 | "disk", NULL, |
2262 | &error, &reply); | |
2263 | if (r < 0) | |
2264 | return bus_send_error_reply(connection, message, &error, r); | |
2265 | ||
2266 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) { | |
2267 | r = bus_manager_can_shutdown_or_sleep( | |
2268 | m, connection, message, | |
2269 | INHIBIT_SLEEP, | |
2270 | "org.freedesktop.login1.hibernate", | |
2271 | "org.freedesktop.login1.hibernate-multiple-sessions", | |
2272 | "org.freedesktop.login1.hibernate-ignore-inhibit", | |
2273 | "disk", "suspend", | |
d889a206 LP |
2274 | &error, &reply); |
2275 | if (r < 0) | |
2276 | return bus_send_error_reply(connection, message, &error, r); | |
89f13440 | 2277 | |
bef422ae | 2278 | } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { |
3f49d45a LP |
2279 | char *introspection = NULL; |
2280 | FILE *f; | |
2281 | Iterator i; | |
2282 | Session *session; | |
2283 | Seat *seat; | |
2284 | User *user; | |
2285 | size_t size; | |
2286 | char *p; | |
2287 | ||
2288 | if (!(reply = dbus_message_new_method_return(message))) | |
2289 | goto oom; | |
2290 | ||
2291 | /* We roll our own introspection code here, instead of | |
2292 | * relying on bus_default_message_handler() because we | |
2293 | * need to generate our introspection string | |
2294 | * dynamically. */ | |
2295 | ||
2296 | if (!(f = open_memstream(&introspection, &size))) | |
2297 | goto oom; | |
2298 | ||
2299 | fputs(INTROSPECTION_BEGIN, f); | |
2300 | ||
2301 | HASHMAP_FOREACH(seat, m->seats, i) { | |
2302 | p = bus_path_escape(seat->id); | |
2303 | ||
2304 | if (p) { | |
2305 | fprintf(f, "<node name=\"seat/%s\"/>", p); | |
2306 | free(p); | |
2307 | } | |
2308 | } | |
2309 | ||
2310 | HASHMAP_FOREACH(user, m->users, i) | |
2311 | fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid); | |
2312 | ||
2313 | HASHMAP_FOREACH(session, m->sessions, i) { | |
2314 | p = bus_path_escape(session->id); | |
2315 | ||
2316 | if (p) { | |
2317 | fprintf(f, "<node name=\"session/%s\"/>", p); | |
2318 | free(p); | |
2319 | } | |
2320 | } | |
2321 | ||
2322 | fputs(INTROSPECTION_END, f); | |
2323 | ||
2324 | if (ferror(f)) { | |
2325 | fclose(f); | |
2326 | free(introspection); | |
2327 | goto oom; | |
2328 | } | |
2329 | ||
2330 | fclose(f); | |
2331 | ||
2332 | if (!introspection) | |
2333 | goto oom; | |
2334 | ||
2335 | if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { | |
2336 | free(introspection); | |
2337 | goto oom; | |
2338 | } | |
2339 | ||
2340 | free(introspection); | |
d200735e MS |
2341 | } else { |
2342 | const BusBoundProperties bps[] = { | |
2343 | { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, | |
2344 | { NULL, } | |
2345 | }; | |
2346 | return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); | |
2347 | } | |
3f49d45a LP |
2348 | |
2349 | if (reply) { | |
1a37b9b9 CW |
2350 | if (!bus_maybe_send_reply(connection, message, reply)) |
2351 | goto oom; | |
3f49d45a LP |
2352 | } |
2353 | ||
2354 | return DBUS_HANDLER_RESULT_HANDLED; | |
2355 | ||
2356 | oom: | |
3f49d45a LP |
2357 | dbus_error_free(&error); |
2358 | ||
2359 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
2360 | } | |
2361 | ||
2362 | const DBusObjectPathVTable bus_manager_vtable = { | |
2363 | .message_function = manager_message_handler | |
2364 | }; | |
9418f147 | 2365 | |
1713813d LP |
2366 | DBusHandlerResult bus_message_filter( |
2367 | DBusConnection *connection, | |
2368 | DBusMessage *message, | |
2369 | void *userdata) { | |
2370 | ||
2371 | Manager *m = userdata; | |
2372 | DBusError error; | |
2373 | ||
2374 | assert(m); | |
2375 | assert(connection); | |
2376 | assert(message); | |
2377 | ||
2378 | dbus_error_init(&error); | |
2379 | ||
2380 | if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) { | |
2381 | const char *cgroup; | |
2382 | ||
2383 | if (!dbus_message_get_args(message, &error, | |
2384 | DBUS_TYPE_STRING, &cgroup, | |
2385 | DBUS_TYPE_INVALID)) | |
2386 | log_error("Failed to parse Released message: %s", bus_error_message(&error)); | |
2387 | else | |
2388 | manager_cgroup_notify_empty(m, cgroup); | |
af9792ac LP |
2389 | |
2390 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { | |
2391 | uint32_t id; | |
2392 | const char *path, *result, *unit; | |
2393 | ||
2394 | if (!dbus_message_get_args(message, &error, | |
2395 | DBUS_TYPE_UINT32, &id, | |
2396 | DBUS_TYPE_OBJECT_PATH, &path, | |
2397 | DBUS_TYPE_STRING, &unit, | |
2398 | DBUS_TYPE_STRING, &result, | |
2399 | DBUS_TYPE_INVALID)) | |
2400 | log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error)); | |
314b4b0a | 2401 | |
af9792ac | 2402 | else if (m->action_job && streq(m->action_job, path)) { |
314b4b0a | 2403 | log_info("Operation finished."); |
ee17c928 | 2404 | |
314b4b0a LP |
2405 | /* Tell people that they now may take a lock again */ |
2406 | send_prepare_for(m, m->action_what, false); | |
2407 | ||
2408 | free(m->action_job); | |
2409 | m->action_job = NULL; | |
2410 | m->action_unit = NULL; | |
2411 | m->action_what = 0; | |
af9792ac | 2412 | } |
1713813d LP |
2413 | } |
2414 | ||
2415 | dbus_error_free(&error); | |
2416 | ||
2417 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
2418 | } | |
2419 | ||
9418f147 | 2420 | int manager_send_changed(Manager *manager, const char *properties) { |
ce0fc5f5 | 2421 | _cleanup_dbus_message_unref_ DBusMessage *m = NULL; |
9418f147 LP |
2422 | |
2423 | assert(manager); | |
2424 | ||
4654e558 ZJS |
2425 | m = bus_properties_changed_new("/org/freedesktop/login1", |
2426 | "org.freedesktop.login1.Manager", | |
2427 | properties); | |
9418f147 | 2428 | if (!m) |
4654e558 | 2429 | return -ENOMEM; |
9418f147 LP |
2430 | |
2431 | if (!dbus_connection_send(manager->bus, m, NULL)) | |
4654e558 | 2432 | return -ENOMEM; |
9418f147 | 2433 | |
4654e558 | 2434 | return 0; |
9418f147 | 2435 | } |
eecd1362 | 2436 | |
d889a206 | 2437 | int manager_dispatch_delayed(Manager *manager) { |
eecd1362 | 2438 | DBusError error; |
eecd1362 LP |
2439 | int r; |
2440 | ||
2441 | assert(manager); | |
2442 | ||
84286536 | 2443 | if (manager->action_what == 0 || manager->action_job) |
eecd1362 LP |
2444 | return 0; |
2445 | ||
2446 | /* Continue delay? */ | |
314b4b0a | 2447 | if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) { |
eecd1362 | 2448 | |
314b4b0a LP |
2449 | if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC)) |
2450 | return 0; | |
af9792ac | 2451 | |
314b4b0a LP |
2452 | log_info("Delay lock is active but inhibitor timeout is reached."); |
2453 | } | |
eecd1362 | 2454 | |
314b4b0a | 2455 | /* Actually do the operation */ |
eecd1362 | 2456 | dbus_error_init(&error); |
314b4b0a | 2457 | r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); |
eecd1362 | 2458 | if (r < 0) { |
449101fc | 2459 | log_warning("Failed to send delayed message: %s", bus_error(&error, r)); |
d889a206 | 2460 | dbus_error_free(&error); |
314b4b0a LP |
2461 | |
2462 | manager->action_unit = NULL; | |
2463 | manager->action_what = 0; | |
eecd1362 LP |
2464 | return r; |
2465 | } | |
2466 | ||
eecd1362 LP |
2467 | return 1; |
2468 | } |