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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" |
3f49d45a LP |
34 | |
35 | #define BUS_MANAGER_INTERFACE \ | |
36 | " <interface name=\"org.freedesktop.login1.Manager\">\n" \ | |
bef422ae | 37 | " <method name=\"GetSession\">\n" \ |
3f49d45a | 38 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 39 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 40 | " </method>\n" \ |
c4aa65e7 LP |
41 | " <method name=\"GetSessionByPID\">\n" \ |
42 | " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ | |
43 | " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ | |
44 | " </method>\n" \ | |
3f49d45a | 45 | " <method name=\"GetUser\">\n" \ |
bef422ae | 46 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
47 | " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ |
48 | " </method>\n" \ | |
bef422ae | 49 | " <method name=\"GetSeat\">\n" \ |
3f49d45a | 50 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ |
bef422ae | 51 | " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 52 | " </method>\n" \ |
bef422ae | 53 | " <method name=\"ListSessions\">\n" \ |
e1c9c2d5 | 54 | " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \ |
3f49d45a LP |
55 | " </method>\n" \ |
56 | " <method name=\"ListUsers\">\n" \ | |
57 | " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \ | |
58 | " </method>\n" \ | |
bef422ae LP |
59 | " <method name=\"ListSeats\">\n" \ |
60 | " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \ | |
3f49d45a LP |
61 | " </method>\n" \ |
62 | " <method name=\"CreateSession\">\n" \ | |
63 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
64 | " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \ | |
4d6d6518 | 65 | " <arg name=\"sevice\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 66 | " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \ |
55efac6c | 67 | " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \ |
3f49d45a | 68 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ |
4d6d6518 | 69 | " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
70 | " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \ |
71 | " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \ | |
72 | " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \ | |
73 | " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \ | |
74 | " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \ | |
75 | " <arg name=\"controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
76 | " <arg name=\"reset_controllers\" type=\"as\" direction=\"in\"/>\n" \ | |
98a28fef | 77 | " <arg name=\"kill_processes\" type=\"b\" direction=\"in\"/>\n" \ |
3f49d45a LP |
78 | " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \ |
79 | " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \ | |
98a28fef | 80 | " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \ |
3f49d45a | 81 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
bbc73283 LP |
82 | " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ |
83 | " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ | |
3f49d45a | 84 | " </method>\n" \ |
75c8e3cf LP |
85 | " <method name=\"ReleaseSession\">\n" \ |
86 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
87 | " </method>\n" \ | |
a185c5aa LP |
88 | " <method name=\"ActivateSession\">\n" \ |
89 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
90 | " </method>\n" \ | |
84c3361e LP |
91 | " <method name=\"ActivateSessionOnSeat\">\n" \ |
92 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
93 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
94 | " </method>\n" \ | |
88e3dc90 LP |
95 | " <method name=\"LockSession\">\n" \ |
96 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
97 | " </method>\n" \ | |
98 | " <method name=\"UnlockSession\">\n" \ | |
99 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
100 | " </method>\n" \ | |
de07ab16 LP |
101 | " <method name=\"KillSession\">\n" \ |
102 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
cae5846b LP |
103 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ |
104 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ | |
de07ab16 LP |
105 | " </method>\n" \ |
106 | " <method name=\"KillUser\">\n" \ | |
107 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
cae5846b | 108 | " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ |
de07ab16 | 109 | " </method>\n" \ |
3f49d45a LP |
110 | " <method name=\"TerminateSession\">\n" \ |
111 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
112 | " </method>\n" \ | |
113 | " <method name=\"TerminateUser\">\n" \ | |
bef422ae | 114 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ |
3f49d45a LP |
115 | " </method>\n" \ |
116 | " <method name=\"TerminateSeat\">\n" \ | |
117 | " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ | |
118 | " </method>\n" \ | |
7f7bb946 LP |
119 | " <method name=\"SetUserLinger\">\n" \ |
120 | " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ | |
121 | " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \ | |
122 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
123 | " </method>\n" \ | |
47a26690 LP |
124 | " <method name=\"AttachDevice\">\n" \ |
125 | " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ | |
126 | " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \ | |
127 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
128 | " </method>\n" \ | |
b668e064 LP |
129 | " <method name=\"FlushDevices\">\n" \ |
130 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
131 | " </method>\n" \ | |
55af3897 LP |
132 | " <method name=\"PowerOff\">\n" \ |
133 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
134 | " </method>\n" \ | |
135 | " <method name=\"Reboot\">\n" \ | |
136 | " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ | |
137 | " </method>\n" \ | |
89f13440 LP |
138 | " <method name=\"CanPowerOff\">\n" \ |
139 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
140 | " </method>\n" \ | |
141 | " <method name=\"CanReboot\">\n" \ | |
142 | " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ | |
143 | " </method>\n" \ | |
f8e2fb7b LP |
144 | " <method name=\"Inhibit\">\n" \ |
145 | " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \ | |
146 | " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ | |
147 | " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \ | |
eecd1362 | 148 | " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ |
f8e2fb7b LP |
149 | " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ |
150 | " </method>\n" \ | |
151 | " <method name=\"ListInhibitors\">\n" \ | |
eecd1362 | 152 | " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \ |
f8e2fb7b | 153 | " </method>\n" \ |
3f49d45a LP |
154 | " <signal name=\"SessionNew\">\n" \ |
155 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
156 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
157 | " </signal>\n" \ | |
158 | " <signal name=\"SessionRemoved\">\n" \ | |
159 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
160 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
161 | " </signal>\n" \ | |
162 | " <signal name=\"UserNew\">\n" \ | |
163 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
164 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
165 | " </signal>\n" \ | |
166 | " <signal name=\"UserRemoved\">\n" \ | |
167 | " <arg name=\"uid\" type=\"u\"/>\n" \ | |
168 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
169 | " </signal>\n" \ | |
170 | " <signal name=\"SeatNew\">\n" \ | |
171 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
172 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
173 | " </signal>\n" \ | |
174 | " <signal name=\"SeatRemoved\">\n" \ | |
175 | " <arg name=\"id\" type=\"s\"/>\n" \ | |
176 | " <arg name=\"path\" type=\"o\"/>\n" \ | |
177 | " </signal>\n" \ | |
eecd1362 LP |
178 | " <signal name=\"PrepareForShutdown\">\n" \ |
179 | " <arg name=\"active\" type=\"b\"/>\n" \ | |
180 | " </signal>\n" \ | |
3f49d45a LP |
181 | " <property name=\"ControlGroupHierarchy\" type=\"s\" access=\"read\"/>\n" \ |
182 | " <property name=\"Controllers\" type=\"as\" access=\"read\"/>\n" \ | |
183 | " <property name=\"ResetControllers\" type=\"as\" access=\"read\"/>\n" \ | |
184 | " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \ | |
185 | " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \ | |
186 | " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \ | |
187 | " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \ | |
a185c5aa LP |
188 | " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ |
189 | " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ | |
190 | " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ | |
eecd1362 LP |
191 | " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \ |
192 | " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \ | |
193 | " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \ | |
3f49d45a LP |
194 | " </interface>\n" |
195 | ||
196 | #define INTROSPECTION_BEGIN \ | |
197 | DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ | |
198 | "<node>\n" \ | |
199 | BUS_MANAGER_INTERFACE \ | |
200 | BUS_PROPERTIES_INTERFACE \ | |
201 | BUS_PEER_INTERFACE \ | |
202 | BUS_INTROSPECTABLE_INTERFACE | |
203 | ||
204 | #define INTROSPECTION_END \ | |
205 | "</node>\n" | |
206 | ||
207 | #define INTERFACES_LIST \ | |
208 | BUS_GENERIC_INTERFACES_LIST \ | |
209 | "org.freedesktop.login1.Manager\0" | |
210 | ||
a185c5aa LP |
211 | static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { |
212 | Manager *m = data; | |
77527da0 | 213 | dbus_bool_t b; |
a185c5aa LP |
214 | |
215 | assert(i); | |
216 | assert(property); | |
217 | assert(m); | |
218 | ||
77527da0 | 219 | b = manager_get_idle_hint(m, NULL) > 0; |
a185c5aa LP |
220 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) |
221 | return -ENOMEM; | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
226 | static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { | |
227 | Manager *m = data; | |
228 | dual_timestamp t; | |
229 | uint64_t u; | |
230 | ||
231 | assert(i); | |
232 | assert(property); | |
233 | assert(m); | |
234 | ||
235 | manager_get_idle_hint(m, &t); | |
236 | u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; | |
237 | ||
238 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) | |
239 | return -ENOMEM; | |
240 | ||
241 | return 0; | |
242 | } | |
243 | ||
f8e2fb7b LP |
244 | static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) { |
245 | Manager *m = data; | |
246 | InhibitWhat w; | |
247 | const char *p; | |
248 | ||
eecd1362 | 249 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
f8e2fb7b LP |
250 | p = inhibit_what_to_string(w); |
251 | ||
252 | if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p)) | |
253 | return -ENOMEM; | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
98a28fef LP |
258 | static int bus_manager_create_session(Manager *m, DBusMessage *message, DBusMessage **_reply) { |
259 | Session *session = NULL; | |
260 | User *user = NULL; | |
55efac6c | 261 | const char *type, *class, *seat, *tty, *display, *remote_user, *remote_host, *service; |
98a28fef LP |
262 | uint32_t uid, leader, audit_id = 0; |
263 | dbus_bool_t remote, kill_processes; | |
264 | char **controllers = NULL, **reset_controllers = NULL; | |
265 | SessionType t; | |
55efac6c | 266 | SessionClass c; |
98a28fef LP |
267 | Seat *s; |
268 | DBusMessageIter iter; | |
269 | int r; | |
07714753 | 270 | char *id = NULL, *p; |
4d6d6518 | 271 | uint32_t vtnr = 0; |
932e3ee7 | 272 | int fifo_fd = -1; |
98a28fef LP |
273 | DBusMessage *reply = NULL; |
274 | bool b; | |
275 | ||
276 | assert(m); | |
277 | assert(message); | |
278 | assert(_reply); | |
279 | ||
280 | if (!dbus_message_iter_init(message, &iter) || | |
281 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
282 | return -EINVAL; | |
283 | ||
284 | dbus_message_iter_get_basic(&iter, &uid); | |
285 | ||
286 | if (!dbus_message_iter_next(&iter) || | |
287 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
288 | return -EINVAL; | |
289 | ||
290 | dbus_message_iter_get_basic(&iter, &leader); | |
291 | ||
292 | if (leader <= 0 || | |
293 | !dbus_message_iter_next(&iter) || | |
294 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
295 | return -EINVAL; | |
296 | ||
297 | dbus_message_iter_get_basic(&iter, &service); | |
298 | ||
299 | if (!dbus_message_iter_next(&iter) || | |
300 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
301 | return -EINVAL; | |
302 | ||
303 | dbus_message_iter_get_basic(&iter, &type); | |
304 | t = session_type_from_string(type); | |
305 | ||
306 | if (t < 0 || | |
307 | !dbus_message_iter_next(&iter) || | |
308 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
309 | return -EINVAL; | |
310 | ||
55efac6c LP |
311 | dbus_message_iter_get_basic(&iter, &class); |
312 | if (isempty(class)) | |
313 | c = SESSION_USER; | |
314 | else | |
315 | c = session_class_from_string(class); | |
316 | ||
317 | if (c < 0 || | |
318 | !dbus_message_iter_next(&iter) || | |
319 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
320 | return -EINVAL; | |
321 | ||
98a28fef LP |
322 | dbus_message_iter_get_basic(&iter, &seat); |
323 | ||
324 | if (isempty(seat)) | |
325 | s = NULL; | |
326 | else { | |
327 | s = hashmap_get(m->seats, seat); | |
328 | if (!s) | |
329 | return -ENOENT; | |
330 | } | |
331 | ||
4d6d6518 LP |
332 | if (!dbus_message_iter_next(&iter) || |
333 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) | |
334 | return -EINVAL; | |
335 | ||
336 | dbus_message_iter_get_basic(&iter, &vtnr); | |
337 | ||
98a28fef LP |
338 | if (!dbus_message_iter_next(&iter) || |
339 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
340 | return -EINVAL; | |
341 | ||
342 | dbus_message_iter_get_basic(&iter, &tty); | |
343 | ||
344 | if (tty_is_vc(tty)) { | |
4d6d6518 | 345 | int v; |
98a28fef LP |
346 | |
347 | if (!s) | |
348 | s = m->vtconsole; | |
349 | else if (s != m->vtconsole) | |
350 | return -EINVAL; | |
351 | ||
4d6d6518 LP |
352 | v = vtnr_from_tty(tty); |
353 | ||
354 | if (v <= 0) | |
355 | return v < 0 ? v : -EINVAL; | |
98a28fef LP |
356 | |
357 | if (vtnr <= 0) | |
4d6d6518 LP |
358 | vtnr = (uint32_t) v; |
359 | else if (vtnr != (uint32_t) v) | |
360 | return -EINVAL; | |
d1122ad5 LP |
361 | } else if (tty_is_console(tty)) { |
362 | ||
363 | if (!s) | |
364 | s = m->vtconsole; | |
365 | else if (s != m->vtconsole) | |
366 | return -EINVAL; | |
367 | ||
368 | if (vtnr != 0) | |
369 | return -EINVAL; | |
98a28fef | 370 | |
bf100920 | 371 | } else if (!isempty(tty) && s && seat_is_vtconsole(s)) |
98a28fef LP |
372 | return -EINVAL; |
373 | ||
4d6d6518 | 374 | if (s) { |
addedec4 | 375 | if (seat_can_multi_session(s)) { |
d1122ad5 | 376 | if (vtnr > 63) |
4d6d6518 LP |
377 | return -EINVAL; |
378 | } else { | |
d1122ad5 | 379 | if (vtnr != 0) |
4d6d6518 LP |
380 | return -EINVAL; |
381 | } | |
382 | } | |
383 | ||
98a28fef LP |
384 | if (!dbus_message_iter_next(&iter) || |
385 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
386 | return -EINVAL; | |
387 | ||
388 | dbus_message_iter_get_basic(&iter, &display); | |
389 | ||
390 | if (!dbus_message_iter_next(&iter) || | |
391 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) | |
392 | return -EINVAL; | |
393 | ||
394 | dbus_message_iter_get_basic(&iter, &remote); | |
395 | ||
396 | if (!dbus_message_iter_next(&iter) || | |
397 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
398 | return -EINVAL; | |
399 | ||
400 | dbus_message_iter_get_basic(&iter, &remote_user); | |
401 | ||
402 | if (!dbus_message_iter_next(&iter) || | |
403 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) | |
404 | return -EINVAL; | |
405 | ||
406 | dbus_message_iter_get_basic(&iter, &remote_host); | |
407 | ||
408 | if (!dbus_message_iter_next(&iter) || | |
409 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
410 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) | |
411 | return -EINVAL; | |
412 | ||
413 | r = bus_parse_strv_iter(&iter, &controllers); | |
414 | if (r < 0) | |
415 | return -EINVAL; | |
416 | ||
25d93491 LP |
417 | if (strv_contains(controllers, "systemd") || |
418 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
419 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || |
420 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRING) { | |
421 | r = -EINVAL; | |
422 | goto fail; | |
423 | } | |
424 | ||
425 | r = bus_parse_strv_iter(&iter, &reset_controllers); | |
426 | if (r < 0) | |
427 | goto fail; | |
428 | ||
25d93491 LP |
429 | if (strv_contains(reset_controllers, "systemd") || |
430 | !dbus_message_iter_next(&iter) || | |
98a28fef LP |
431 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) { |
432 | r = -EINVAL; | |
433 | goto fail; | |
434 | } | |
435 | ||
436 | dbus_message_iter_get_basic(&iter, &kill_processes); | |
437 | ||
438 | r = manager_add_user_by_uid(m, uid, &user); | |
439 | if (r < 0) | |
440 | goto fail; | |
441 | ||
442 | audit_session_from_pid(leader, &audit_id); | |
443 | ||
07714753 | 444 | if (audit_id > 0) { |
98a28fef | 445 | asprintf(&id, "%lu", (unsigned long) audit_id); |
98a28fef | 446 | |
07714753 LP |
447 | if (!id) { |
448 | r = -ENOMEM; | |
449 | goto fail; | |
450 | } | |
98a28fef | 451 | |
21c390cc LP |
452 | session = hashmap_get(m->sessions, id); |
453 | ||
454 | if (session) { | |
8ea913b2 | 455 | free(id); |
21c390cc | 456 | |
932e3ee7 LP |
457 | fifo_fd = session_create_fifo(session); |
458 | if (fifo_fd < 0) { | |
459 | r = fifo_fd; | |
460 | goto fail; | |
461 | } | |
462 | ||
21c390cc LP |
463 | /* Session already exists, client is probably |
464 | * something like "su" which changes uid but | |
465 | * is still the same audit session */ | |
466 | ||
467 | reply = dbus_message_new_method_return(message); | |
468 | if (!reply) { | |
469 | r = -ENOMEM; | |
470 | goto fail; | |
471 | } | |
472 | ||
21c390cc LP |
473 | p = session_bus_path(session); |
474 | if (!p) { | |
475 | r = -ENOMEM; | |
476 | goto fail; | |
477 | } | |
478 | ||
3887b5ab LP |
479 | seat = session->seat ? session->seat->id : ""; |
480 | vtnr = session->vtnr; | |
21c390cc LP |
481 | b = dbus_message_append_args( |
482 | reply, | |
483 | DBUS_TYPE_STRING, &session->id, | |
484 | DBUS_TYPE_OBJECT_PATH, &p, | |
485 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 486 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
3887b5ab LP |
487 | DBUS_TYPE_STRING, &seat, |
488 | DBUS_TYPE_UINT32, &vtnr, | |
21c390cc LP |
489 | DBUS_TYPE_INVALID); |
490 | free(p); | |
491 | ||
492 | if (!b) { | |
493 | r = -ENOMEM; | |
494 | goto fail; | |
495 | } | |
496 | ||
932e3ee7 | 497 | close_nointr_nofail(fifo_fd); |
21c390cc LP |
498 | *_reply = reply; |
499 | ||
8ea913b2 LP |
500 | strv_free(controllers); |
501 | strv_free(reset_controllers); | |
502 | ||
21c390cc | 503 | return 0; |
07714753 LP |
504 | } |
505 | ||
506 | } else { | |
507 | do { | |
508 | free(id); | |
f8e2fb7b | 509 | id = NULL; |
07714753 | 510 | |
f8e2fb7b | 511 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { |
07714753 LP |
512 | r = -ENOMEM; |
513 | goto fail; | |
514 | } | |
515 | ||
516 | } while (hashmap_get(m->sessions, id)); | |
98a28fef LP |
517 | } |
518 | ||
519 | r = manager_add_session(m, user, id, &session); | |
520 | free(id); | |
521 | if (r < 0) | |
522 | goto fail; | |
523 | ||
524 | session->leader = leader; | |
525 | session->audit_id = audit_id; | |
526 | session->type = t; | |
55efac6c | 527 | session->class = c; |
98a28fef LP |
528 | session->remote = remote; |
529 | session->controllers = controllers; | |
530 | session->reset_controllers = reset_controllers; | |
531 | session->kill_processes = kill_processes; | |
532 | session->vtnr = vtnr; | |
533 | ||
534 | controllers = reset_controllers = NULL; | |
535 | ||
536 | if (!isempty(tty)) { | |
537 | session->tty = strdup(tty); | |
538 | if (!session->tty) { | |
539 | r = -ENOMEM; | |
540 | goto fail; | |
541 | } | |
542 | } | |
543 | ||
544 | if (!isempty(display)) { | |
545 | session->display = strdup(display); | |
546 | if (!session->display) { | |
547 | r = -ENOMEM; | |
548 | goto fail; | |
549 | } | |
550 | } | |
551 | ||
552 | if (!isempty(remote_user)) { | |
553 | session->remote_user = strdup(remote_user); | |
554 | if (!session->remote_user) { | |
555 | r = -ENOMEM; | |
556 | goto fail; | |
557 | } | |
558 | } | |
559 | ||
560 | if (!isempty(remote_host)) { | |
561 | session->remote_host = strdup(remote_host); | |
562 | if (!session->remote_host) { | |
563 | r = -ENOMEM; | |
564 | goto fail; | |
565 | } | |
566 | } | |
567 | ||
568 | if (!isempty(service)) { | |
569 | session->service = strdup(service); | |
570 | if (!session->service) { | |
571 | r = -ENOMEM; | |
572 | goto fail; | |
573 | } | |
574 | } | |
575 | ||
932e3ee7 LP |
576 | fifo_fd = session_create_fifo(session); |
577 | if (fifo_fd < 0) { | |
578 | r = fifo_fd; | |
98a28fef LP |
579 | goto fail; |
580 | } | |
581 | ||
98a28fef LP |
582 | if (s) { |
583 | r = seat_attach_session(s, session); | |
584 | if (r < 0) | |
585 | goto fail; | |
586 | } | |
587 | ||
588 | r = session_start(session); | |
589 | if (r < 0) | |
590 | goto fail; | |
591 | ||
592 | reply = dbus_message_new_method_return(message); | |
593 | if (!reply) { | |
594 | r = -ENOMEM; | |
595 | goto fail; | |
596 | } | |
597 | ||
598 | p = session_bus_path(session); | |
599 | if (!p) { | |
600 | r = -ENOMEM; | |
601 | goto fail; | |
602 | } | |
603 | ||
bbc73283 | 604 | seat = s ? s->id : ""; |
98a28fef LP |
605 | b = dbus_message_append_args( |
606 | reply, | |
607 | DBUS_TYPE_STRING, &session->id, | |
608 | DBUS_TYPE_OBJECT_PATH, &p, | |
609 | DBUS_TYPE_STRING, &session->user->runtime_path, | |
932e3ee7 | 610 | DBUS_TYPE_UNIX_FD, &fifo_fd, |
bbc73283 LP |
611 | DBUS_TYPE_STRING, &seat, |
612 | DBUS_TYPE_UINT32, &vtnr, | |
98a28fef LP |
613 | DBUS_TYPE_INVALID); |
614 | free(p); | |
615 | ||
616 | if (!b) { | |
617 | r = -ENOMEM; | |
618 | goto fail; | |
619 | } | |
620 | ||
932e3ee7 | 621 | close_nointr_nofail(fifo_fd); |
98a28fef LP |
622 | *_reply = reply; |
623 | ||
624 | return 0; | |
625 | ||
626 | fail: | |
627 | strv_free(controllers); | |
628 | strv_free(reset_controllers); | |
629 | ||
630 | if (session) | |
631 | session_add_to_gc_queue(session); | |
632 | ||
633 | if (user) | |
634 | user_add_to_gc_queue(user); | |
635 | ||
932e3ee7 LP |
636 | if (fifo_fd >= 0) |
637 | close_nointr_nofail(fifo_fd); | |
98a28fef LP |
638 | |
639 | if (reply) | |
640 | dbus_message_unref(reply); | |
641 | ||
642 | return r; | |
643 | } | |
644 | ||
f8e2fb7b LP |
645 | static int bus_manager_inhibit(Manager *m, DBusConnection *connection, DBusMessage *message, DBusError *error, DBusMessage **_reply) { |
646 | Inhibitor *i = NULL; | |
647 | char *id = NULL; | |
eecd1362 | 648 | const char *who, *why, *what, *mode; |
f8e2fb7b LP |
649 | pid_t pid; |
650 | InhibitWhat w; | |
eecd1362 | 651 | InhibitMode mm; |
f8e2fb7b LP |
652 | unsigned long ul; |
653 | int r, fifo_fd = -1; | |
654 | DBusMessage *reply = NULL; | |
655 | ||
656 | assert(m); | |
657 | assert(connection); | |
658 | assert(message); | |
659 | assert(error); | |
660 | assert(_reply); | |
661 | ||
662 | if (!dbus_message_get_args( | |
663 | message, | |
664 | error, | |
665 | DBUS_TYPE_STRING, &what, | |
666 | DBUS_TYPE_STRING, &who, | |
667 | DBUS_TYPE_STRING, &why, | |
eecd1362 | 668 | DBUS_TYPE_STRING, &mode, |
f8e2fb7b LP |
669 | DBUS_TYPE_INVALID)) { |
670 | r = -EIO; | |
671 | goto fail; | |
672 | } | |
673 | ||
674 | w = inhibit_what_from_string(what); | |
675 | if (w <= 0) { | |
676 | r = -EINVAL; | |
677 | goto fail; | |
678 | } | |
679 | ||
eecd1362 LP |
680 | mm = inhibit_mode_from_string(mode); |
681 | if (mm < 0) { | |
682 | r = -EINVAL; | |
683 | goto fail; | |
684 | } | |
685 | ||
686 | r = verify_polkit(connection, message, | |
687 | m == INHIBIT_BLOCK ? | |
688 | "org.freedesktop.login1.inhibit-block" : | |
689 | "org.freedesktop.login1.inhibit-delay", false, NULL, error); | |
f8e2fb7b LP |
690 | if (r < 0) |
691 | goto fail; | |
692 | ||
693 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); | |
694 | if (ul == (unsigned long) -1) { | |
695 | r = -EIO; | |
696 | goto fail; | |
697 | } | |
698 | ||
699 | pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); | |
700 | if (pid <= 0) { | |
701 | r = -EIO; | |
702 | goto fail; | |
703 | } | |
704 | ||
705 | do { | |
706 | free(id); | |
707 | id = NULL; | |
708 | ||
709 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { | |
710 | r = -ENOMEM; | |
711 | goto fail; | |
712 | } | |
713 | } while (hashmap_get(m->inhibitors, id)); | |
714 | ||
715 | r = manager_add_inhibitor(m, id, &i); | |
716 | free(id); | |
717 | ||
718 | if (r < 0) | |
719 | goto fail; | |
720 | ||
721 | i->what = w; | |
eecd1362 | 722 | i->mode = mm; |
f8e2fb7b LP |
723 | i->pid = pid; |
724 | i->uid = (uid_t) ul; | |
725 | i->why = strdup(why); | |
726 | i->who = strdup(who); | |
727 | ||
728 | if (!i->why || !i->who) { | |
729 | r = -ENOMEM; | |
730 | goto fail; | |
731 | } | |
732 | ||
733 | fifo_fd = inhibitor_create_fifo(i); | |
734 | if (fifo_fd < 0) { | |
735 | r = fifo_fd; | |
736 | goto fail; | |
737 | } | |
738 | ||
739 | reply = dbus_message_new_method_return(message); | |
740 | if (!reply) { | |
741 | r = -ENOMEM; | |
742 | goto fail; | |
743 | } | |
744 | ||
745 | if (!dbus_message_append_args( | |
746 | reply, | |
747 | DBUS_TYPE_UNIX_FD, &fifo_fd, | |
748 | DBUS_TYPE_INVALID)) { | |
749 | r = -ENOMEM; | |
750 | goto fail; | |
751 | } | |
752 | ||
753 | close_nointr_nofail(fifo_fd); | |
754 | *_reply = reply; | |
755 | ||
756 | inhibitor_start(i); | |
757 | ||
758 | return 0; | |
759 | ||
760 | fail: | |
761 | if (i) | |
762 | inhibitor_free(i); | |
763 | ||
764 | if (fifo_fd >= 0) | |
765 | close_nointr_nofail(fifo_fd); | |
766 | ||
767 | if (reply) | |
768 | dbus_message_unref(reply); | |
769 | ||
770 | return r; | |
771 | } | |
772 | ||
2eb916cd | 773 | static int trigger_device(Manager *m, struct udev_device *d) { |
b668e064 LP |
774 | struct udev_enumerate *e; |
775 | struct udev_list_entry *first, *item; | |
776 | int r; | |
777 | ||
778 | assert(m); | |
779 | ||
780 | e = udev_enumerate_new(m->udev); | |
781 | if (!e) { | |
782 | r = -ENOMEM; | |
783 | goto finish; | |
784 | } | |
785 | ||
2eb916cd LP |
786 | if (d) { |
787 | if (udev_enumerate_add_match_parent(e, d) < 0) { | |
788 | r = -EIO; | |
789 | goto finish; | |
790 | } | |
791 | } | |
792 | ||
b668e064 LP |
793 | if (udev_enumerate_scan_devices(e) < 0) { |
794 | r = -EIO; | |
795 | goto finish; | |
796 | } | |
797 | ||
798 | first = udev_enumerate_get_list_entry(e); | |
799 | udev_list_entry_foreach(item, first) { | |
800 | char *t; | |
801 | const char *p; | |
802 | ||
803 | p = udev_list_entry_get_name(item); | |
804 | ||
b668e064 LP |
805 | t = strappend(p, "/uevent"); |
806 | if (!t) { | |
807 | r = -ENOMEM; | |
808 | goto finish; | |
809 | } | |
810 | ||
811 | write_one_line_file(t, "change"); | |
812 | free(t); | |
813 | } | |
814 | ||
815 | r = 0; | |
816 | ||
817 | finish: | |
818 | if (e) | |
819 | udev_enumerate_unref(e); | |
820 | ||
821 | return r; | |
822 | } | |
823 | ||
47a26690 LP |
824 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { |
825 | struct udev_device *d; | |
826 | char *rule = NULL, *file = NULL; | |
c28fa3d3 | 827 | const char *id_for_seat; |
47a26690 LP |
828 | int r; |
829 | ||
830 | assert(m); | |
831 | assert(seat); | |
832 | assert(sysfs); | |
833 | ||
834 | d = udev_device_new_from_syspath(m->udev, sysfs); | |
835 | if (!d) | |
836 | return -ENODEV; | |
837 | ||
309c2a2c | 838 | if (!udev_device_has_tag(d, "seat")) { |
47a26690 LP |
839 | r = -ENODEV; |
840 | goto finish; | |
841 | } | |
842 | ||
c28fa3d3 LP |
843 | id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); |
844 | if (!id_for_seat) { | |
47a26690 LP |
845 | r = -ENODEV; |
846 | goto finish; | |
847 | } | |
848 | ||
c28fa3d3 | 849 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { |
47a26690 LP |
850 | r = -ENOMEM; |
851 | goto finish; | |
852 | } | |
853 | ||
c28fa3d3 | 854 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { |
47a26690 LP |
855 | r = -ENOMEM; |
856 | goto finish; | |
857 | } | |
858 | ||
c28fa3d3 | 859 | mkdir_p("/etc/udev/rules.d", 0755); |
b5ef5549 | 860 | r = write_one_line_file_atomic(file, rule); |
a0a0c7f1 LP |
861 | if (r < 0) |
862 | goto finish; | |
863 | ||
2eb916cd | 864 | r = trigger_device(m, d); |
47a26690 LP |
865 | |
866 | finish: | |
867 | free(rule); | |
868 | free(file); | |
869 | ||
870 | if (d) | |
871 | udev_device_unref(d); | |
872 | ||
873 | return r; | |
874 | } | |
875 | ||
b668e064 LP |
876 | static int flush_devices(Manager *m) { |
877 | DIR *d; | |
878 | ||
879 | assert(m); | |
880 | ||
881 | d = opendir("/etc/udev/rules.d"); | |
882 | if (!d) { | |
883 | if (errno != ENOENT) | |
884 | log_warning("Failed to open /etc/udev/rules.d: %m"); | |
885 | } else { | |
886 | struct dirent *de; | |
887 | ||
888 | while ((de = readdir(d))) { | |
889 | ||
890 | if (!dirent_is_file(de)) | |
891 | continue; | |
892 | ||
893 | if (!startswith(de->d_name, "72-seat-")) | |
894 | continue; | |
895 | ||
896 | if (!endswith(de->d_name, ".rules")) | |
897 | continue; | |
898 | ||
899 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
900 | log_warning("Failed to unlink %s: %m", de->d_name); | |
901 | } | |
902 | ||
903 | closedir(d); | |
904 | } | |
905 | ||
906 | return trigger_device(m, NULL); | |
907 | } | |
908 | ||
89f13440 LP |
909 | static int have_multiple_sessions( |
910 | DBusConnection *connection, | |
911 | Manager *m, | |
912 | DBusMessage *message, | |
913 | DBusError *error) { | |
914 | ||
915 | Session *s; | |
916 | ||
917 | assert(m); | |
918 | ||
919 | if (hashmap_size(m->sessions) > 1) | |
920 | return true; | |
921 | ||
922 | /* Hmm, there's only one session, but let's make sure it | |
923 | * actually belongs to the user who is asking. If not, better | |
924 | * be safe than sorry. */ | |
925 | ||
926 | s = hashmap_first(m->sessions); | |
927 | if (s) { | |
928 | unsigned long ul; | |
929 | ||
930 | ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); | |
931 | if (ul == (unsigned long) -1) | |
932 | return -EIO; | |
933 | ||
934 | return s->user->uid != ul; | |
935 | } | |
936 | ||
937 | return false; | |
938 | } | |
939 | ||
eecd1362 LP |
940 | static int send_start_unit(DBusConnection *connection, const char *name, DBusError *error) { |
941 | DBusMessage *message, *reply; | |
942 | const char *mode = "replace"; | |
943 | ||
944 | assert(connection); | |
945 | assert(name); | |
946 | ||
947 | message = dbus_message_new_method_call( | |
948 | "org.freedesktop.systemd1", | |
949 | "/org/freedesktop/systemd1", | |
950 | "org.freedesktop.systemd1.Manager", | |
951 | "StartUnit"); | |
952 | if (!message) | |
953 | return -ENOMEM; | |
954 | ||
955 | if (!dbus_message_append_args(message, | |
956 | DBUS_TYPE_STRING, &name, | |
957 | DBUS_TYPE_STRING, &mode, | |
958 | DBUS_TYPE_INVALID)) { | |
959 | dbus_message_unref(message); | |
960 | return -ENOMEM; | |
961 | } | |
962 | ||
963 | reply = dbus_connection_send_with_reply_and_block(connection, message, -1, error); | |
964 | dbus_message_unref(message); | |
965 | ||
966 | if (!reply) | |
967 | return -EIO; | |
968 | ||
969 | dbus_message_unref(reply); | |
970 | return 0; | |
971 | } | |
972 | ||
973 | static int send_prepare_for_shutdown(Manager *m, bool _active) { | |
974 | dbus_bool_t active = _active; | |
975 | DBusMessage *message; | |
976 | int r = 0; | |
977 | ||
978 | assert(m); | |
979 | ||
980 | message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", "PrepareForShutdown"); | |
981 | if (!message) | |
982 | return -ENOMEM; | |
983 | ||
984 | if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || | |
985 | !dbus_connection_send(m->bus, message, NULL)) | |
986 | r = -ENOMEM; | |
987 | ||
988 | dbus_message_unref(message); | |
989 | return r; | |
990 | } | |
991 | ||
992 | static int delay_shutdown(Manager *m, const char *name) { | |
993 | assert(m); | |
994 | ||
995 | if (!m->delayed_shutdown) { | |
996 | /* Tell everybody to prepare for shutdown */ | |
997 | send_prepare_for_shutdown(m, true); | |
998 | ||
999 | /* Update timestamp for timeout */ | |
1000 | m->delayed_shutdown_timestamp = now(CLOCK_MONOTONIC); | |
1001 | } | |
1002 | ||
1003 | /* Remember what we want to do, possibly overriding what kind | |
1004 | * of shutdown we previously queued. */ | |
1005 | m->delayed_shutdown = name; | |
1006 | ||
1007 | return 0; | |
1008 | } | |
1009 | ||
d200735e MS |
1010 | static const BusProperty bus_login_manager_properties[] = { |
1011 | { "ControlGroupHierarchy", bus_property_append_string, "s", offsetof(Manager, cgroup_path), true }, | |
1012 | { "Controllers", bus_property_append_strv, "as", offsetof(Manager, controllers), true }, | |
1013 | { "ResetControllers", bus_property_append_strv, "as", offsetof(Manager, reset_controllers), true }, | |
1014 | { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, | |
1015 | { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, | |
1016 | { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, | |
1017 | { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, | |
1018 | { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, | |
1019 | { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, | |
1020 | { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, | |
eecd1362 LP |
1021 | { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, |
1022 | { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, | |
1023 | { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, | |
d200735e MS |
1024 | { NULL, } |
1025 | }; | |
1026 | ||
3f49d45a LP |
1027 | static DBusHandlerResult manager_message_handler( |
1028 | DBusConnection *connection, | |
1029 | DBusMessage *message, | |
1030 | void *userdata) { | |
1031 | ||
1032 | Manager *m = userdata; | |
1033 | ||
3f49d45a LP |
1034 | DBusError error; |
1035 | DBusMessage *reply = NULL; | |
bef422ae | 1036 | int r; |
3f49d45a LP |
1037 | |
1038 | assert(connection); | |
1039 | assert(message); | |
1040 | assert(m); | |
1041 | ||
1042 | dbus_error_init(&error); | |
1043 | ||
bef422ae LP |
1044 | if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { |
1045 | const char *name; | |
1046 | char *p; | |
1047 | Session *session; | |
1048 | bool b; | |
1049 | ||
1050 | if (!dbus_message_get_args( | |
1051 | message, | |
1052 | &error, | |
1053 | DBUS_TYPE_STRING, &name, | |
1054 | DBUS_TYPE_INVALID)) | |
1055 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1056 | ||
1057 | session = hashmap_get(m->sessions, name); | |
1058 | if (!session) | |
1059 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1060 | ||
1061 | reply = dbus_message_new_method_return(message); | |
1062 | if (!reply) | |
1063 | goto oom; | |
1064 | ||
1065 | p = session_bus_path(session); | |
c4aa65e7 LP |
1066 | if (!p) |
1067 | goto oom; | |
1068 | ||
1069 | b = dbus_message_append_args( | |
1070 | reply, | |
1071 | DBUS_TYPE_OBJECT_PATH, &p, | |
1072 | DBUS_TYPE_INVALID); | |
1073 | free(p); | |
1074 | ||
1075 | if (!b) | |
1076 | goto oom; | |
1077 | ||
1078 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { | |
1079 | uint32_t pid; | |
1080 | char *p; | |
1081 | Session *session; | |
1082 | bool b; | |
1083 | ||
1084 | if (!dbus_message_get_args( | |
1085 | message, | |
1086 | &error, | |
1087 | DBUS_TYPE_UINT32, &pid, | |
1088 | DBUS_TYPE_INVALID)) | |
1089 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1090 | ||
1091 | r = manager_get_session_by_pid(m, pid, &session); | |
1092 | if (r <= 0) | |
1093 | return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); | |
1094 | ||
1095 | reply = dbus_message_new_method_return(message); | |
1096 | if (!reply) | |
1097 | goto oom; | |
1098 | ||
1099 | p = session_bus_path(session); | |
bef422ae LP |
1100 | if (!p) |
1101 | goto oom; | |
1102 | ||
1103 | b = dbus_message_append_args( | |
1104 | reply, | |
1105 | DBUS_TYPE_OBJECT_PATH, &p, | |
1106 | DBUS_TYPE_INVALID); | |
1107 | free(p); | |
1108 | ||
1109 | if (!b) | |
1110 | goto oom; | |
1111 | ||
1112 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { | |
1113 | uint32_t uid; | |
1114 | char *p; | |
1115 | User *user; | |
1116 | bool b; | |
1117 | ||
1118 | if (!dbus_message_get_args( | |
1119 | message, | |
1120 | &error, | |
1121 | DBUS_TYPE_UINT32, &uid, | |
1122 | DBUS_TYPE_INVALID)) | |
1123 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1124 | ||
1125 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1126 | if (!user) | |
1127 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1128 | ||
1129 | reply = dbus_message_new_method_return(message); | |
1130 | if (!reply) | |
1131 | goto oom; | |
1132 | ||
1133 | p = user_bus_path(user); | |
1134 | if (!p) | |
1135 | goto oom; | |
1136 | ||
1137 | b = dbus_message_append_args( | |
1138 | reply, | |
1139 | DBUS_TYPE_OBJECT_PATH, &p, | |
1140 | DBUS_TYPE_INVALID); | |
1141 | free(p); | |
1142 | ||
1143 | if (!b) | |
1144 | goto oom; | |
1145 | ||
1146 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { | |
1147 | const char *name; | |
1148 | char *p; | |
1149 | Seat *seat; | |
1150 | bool b; | |
1151 | ||
1152 | if (!dbus_message_get_args( | |
1153 | message, | |
1154 | &error, | |
1155 | DBUS_TYPE_STRING, &name, | |
1156 | DBUS_TYPE_INVALID)) | |
1157 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1158 | ||
1159 | seat = hashmap_get(m->seats, name); | |
1160 | if (!seat) | |
1161 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1162 | ||
1163 | reply = dbus_message_new_method_return(message); | |
1164 | if (!reply) | |
1165 | goto oom; | |
1166 | ||
1167 | p = seat_bus_path(seat); | |
1168 | if (!p) | |
1169 | goto oom; | |
1170 | ||
1171 | b = dbus_message_append_args( | |
1172 | reply, | |
1173 | DBUS_TYPE_OBJECT_PATH, &p, | |
1174 | DBUS_TYPE_INVALID); | |
1175 | free(p); | |
1176 | ||
1177 | if (!b) | |
1178 | goto oom; | |
1179 | ||
e1c9c2d5 LP |
1180 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { |
1181 | char *p; | |
1182 | Session *session; | |
1183 | Iterator i; | |
1184 | DBusMessageIter iter, sub; | |
1185 | const char *empty = ""; | |
1186 | ||
1187 | reply = dbus_message_new_method_return(message); | |
1188 | if (!reply) | |
1189 | goto oom; | |
1190 | ||
1191 | dbus_message_iter_init_append(reply, &iter); | |
1192 | ||
dec15e92 | 1193 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) |
e1c9c2d5 LP |
1194 | goto oom; |
1195 | ||
1196 | HASHMAP_FOREACH(session, m->sessions, i) { | |
1197 | DBusMessageIter sub2; | |
1198 | uint32_t uid; | |
1199 | ||
1200 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1201 | goto oom; | |
1202 | ||
1203 | uid = session->user->uid; | |
1204 | ||
1205 | p = session_bus_path(session); | |
1206 | if (!p) | |
1207 | goto oom; | |
1208 | ||
1209 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || | |
1210 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1211 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || | |
1212 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || | |
1213 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1214 | free(p); | |
1215 | goto oom; | |
1216 | } | |
1217 | ||
1218 | free(p); | |
1219 | ||
1220 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1221 | goto oom; | |
1222 | } | |
1223 | ||
1224 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1225 | goto oom; | |
1226 | ||
1227 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { | |
1228 | char *p; | |
1229 | User *user; | |
1230 | Iterator i; | |
1231 | DBusMessageIter iter, sub; | |
1232 | ||
1233 | reply = dbus_message_new_method_return(message); | |
1234 | if (!reply) | |
1235 | goto oom; | |
1236 | ||
1237 | dbus_message_iter_init_append(reply, &iter); | |
1238 | ||
dec15e92 | 1239 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) |
e1c9c2d5 LP |
1240 | goto oom; |
1241 | ||
1242 | HASHMAP_FOREACH(user, m->users, i) { | |
1243 | DBusMessageIter sub2; | |
1244 | uint32_t uid; | |
1245 | ||
1246 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1247 | goto oom; | |
1248 | ||
1249 | uid = user->uid; | |
1250 | ||
1251 | p = user_bus_path(user); | |
1252 | if (!p) | |
1253 | goto oom; | |
1254 | ||
1255 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || | |
1256 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || | |
1257 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1258 | free(p); | |
1259 | goto oom; | |
1260 | } | |
1261 | ||
1262 | free(p); | |
1263 | ||
1264 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1265 | goto oom; | |
1266 | } | |
1267 | ||
1268 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1269 | goto oom; | |
1270 | ||
1271 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { | |
1272 | char *p; | |
1273 | Seat *seat; | |
1274 | Iterator i; | |
1275 | DBusMessageIter iter, sub; | |
1276 | ||
1277 | reply = dbus_message_new_method_return(message); | |
1278 | if (!reply) | |
1279 | goto oom; | |
1280 | ||
1281 | dbus_message_iter_init_append(reply, &iter); | |
1282 | ||
dec15e92 | 1283 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) |
e1c9c2d5 LP |
1284 | goto oom; |
1285 | ||
1286 | HASHMAP_FOREACH(seat, m->seats, i) { | |
1287 | DBusMessageIter sub2; | |
1288 | ||
1289 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1290 | goto oom; | |
1291 | ||
1292 | p = seat_bus_path(seat); | |
1293 | if (!p) | |
1294 | goto oom; | |
1295 | ||
1296 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || | |
1297 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { | |
1298 | free(p); | |
1299 | goto oom; | |
1300 | } | |
1301 | ||
1302 | free(p); | |
1303 | ||
1304 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1305 | goto oom; | |
1306 | } | |
1307 | ||
1308 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1309 | goto oom; | |
1310 | ||
f8e2fb7b LP |
1311 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { |
1312 | Inhibitor *inhibitor; | |
1313 | Iterator i; | |
1314 | DBusMessageIter iter, sub; | |
1315 | ||
1316 | reply = dbus_message_new_method_return(message); | |
1317 | if (!reply) | |
1318 | goto oom; | |
1319 | ||
1320 | dbus_message_iter_init_append(reply, &iter); | |
1321 | ||
eecd1362 | 1322 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) |
f8e2fb7b LP |
1323 | goto oom; |
1324 | ||
1325 | HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { | |
1326 | DBusMessageIter sub2; | |
1327 | dbus_uint32_t uid, pid; | |
eecd1362 | 1328 | const char *what, *who, *why, *mode; |
f8e2fb7b LP |
1329 | |
1330 | if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) | |
1331 | goto oom; | |
1332 | ||
eecd1362 | 1333 | what = strempty(inhibit_what_to_string(inhibitor->what)); |
f8e2fb7b LP |
1334 | who = strempty(inhibitor->who); |
1335 | why = strempty(inhibitor->why); | |
eecd1362 | 1336 | mode = strempty(inhibit_mode_to_string(inhibitor->mode)); |
f8e2fb7b LP |
1337 | uid = (dbus_uint32_t) inhibitor->uid; |
1338 | pid = (dbus_uint32_t) inhibitor->pid; | |
1339 | ||
1340 | if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || | |
1341 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || | |
1342 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || | |
eecd1362 | 1343 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || |
f8e2fb7b LP |
1344 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || |
1345 | !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) | |
1346 | goto oom; | |
1347 | ||
1348 | if (!dbus_message_iter_close_container(&sub, &sub2)) | |
1349 | goto oom; | |
1350 | } | |
1351 | ||
1352 | if (!dbus_message_iter_close_container(&iter, &sub)) | |
1353 | goto oom; | |
1354 | ||
1355 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { | |
1356 | ||
1357 | r = bus_manager_inhibit(m, connection, message, &error, &reply); | |
1358 | ||
1359 | if (r < 0) | |
1360 | return bus_send_error_reply(connection, message, &error, r); | |
1361 | ||
1362 | ||
98a28fef LP |
1363 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { |
1364 | ||
1365 | r = bus_manager_create_session(m, message, &reply); | |
688c56ff LP |
1366 | |
1367 | /* Don't delay the work on OOM here, since it might be | |
1368 | * triggered by a low RLIMIT_NOFILE here (since we | |
1369 | * send a dupped fd to the client), and we'd rather | |
1370 | * see this fail quickly then be retried later */ | |
98a28fef LP |
1371 | |
1372 | if (r < 0) | |
f8e2fb7b | 1373 | return bus_send_error_reply(connection, message, NULL, r); |
98a28fef | 1374 | |
75c8e3cf LP |
1375 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { |
1376 | const char *name; | |
1377 | Session *session; | |
1378 | ||
1379 | if (!dbus_message_get_args( | |
1380 | message, | |
1381 | &error, | |
1382 | DBUS_TYPE_STRING, &name, | |
1383 | DBUS_TYPE_INVALID)) | |
1384 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1385 | ||
1386 | session = hashmap_get(m->sessions, name); | |
1387 | if (!session) | |
1388 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1389 | ||
1390 | /* We use the FIFO to detect stray sessions where the | |
1391 | process invoking PAM dies abnormally. We need to make | |
1392 | sure that that process is not killed if at the clean | |
1393 | end of the session it closes the FIFO. Hence, with | |
1394 | this call explicitly turn off the FIFO logic, so that | |
1395 | the PAM code can finish clean up on its own */ | |
1396 | session_remove_fifo(session); | |
1397 | ||
1398 | reply = dbus_message_new_method_return(message); | |
1399 | if (!reply) | |
1400 | goto oom; | |
1401 | ||
bef422ae LP |
1402 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { |
1403 | const char *name; | |
1404 | Session *session; | |
1405 | ||
1406 | if (!dbus_message_get_args( | |
1407 | message, | |
1408 | &error, | |
1409 | DBUS_TYPE_STRING, &name, | |
1410 | DBUS_TYPE_INVALID)) | |
1411 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1412 | ||
1413 | session = hashmap_get(m->sessions, name); | |
1414 | if (!session) | |
1415 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1416 | ||
1417 | r = session_activate(session); | |
1418 | if (r < 0) | |
1419 | return bus_send_error_reply(connection, message, NULL, r); | |
1420 | ||
1421 | reply = dbus_message_new_method_return(message); | |
1422 | if (!reply) | |
1423 | goto oom; | |
1424 | ||
84c3361e LP |
1425 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { |
1426 | const char *session_name, *seat_name; | |
1427 | Session *session; | |
1428 | Seat *seat; | |
1429 | ||
1430 | /* Same as ActivateSession() but refuses to work if | |
1431 | * the seat doesn't match */ | |
1432 | ||
1433 | if (!dbus_message_get_args( | |
1434 | message, | |
1435 | &error, | |
1436 | DBUS_TYPE_STRING, &session_name, | |
1437 | DBUS_TYPE_STRING, &seat_name, | |
1438 | DBUS_TYPE_INVALID)) | |
1439 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1440 | ||
1441 | session = hashmap_get(m->sessions, session_name); | |
1442 | if (!session) | |
1443 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1444 | ||
1445 | seat = hashmap_get(m->seats, seat_name); | |
1446 | if (!seat) | |
1447 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1448 | ||
1449 | if (session->seat != seat) | |
1450 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1451 | ||
1452 | r = session_activate(session); | |
1453 | if (r < 0) | |
1454 | return bus_send_error_reply(connection, message, NULL, r); | |
1455 | ||
1456 | reply = dbus_message_new_method_return(message); | |
1457 | if (!reply) | |
1458 | goto oom; | |
1459 | ||
88e3dc90 LP |
1460 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || |
1461 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { | |
1462 | const char *name; | |
1463 | Session *session; | |
1464 | ||
1465 | if (!dbus_message_get_args( | |
1466 | message, | |
1467 | &error, | |
1468 | DBUS_TYPE_STRING, &name, | |
1469 | DBUS_TYPE_INVALID)) | |
1470 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1471 | ||
1472 | session = hashmap_get(m->sessions, name); | |
1473 | if (!session) | |
1474 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1475 | ||
1476 | if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) | |
1477 | goto oom; | |
1478 | ||
1479 | reply = dbus_message_new_method_return(message); | |
1480 | if (!reply) | |
1481 | goto oom; | |
1482 | ||
de07ab16 LP |
1483 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { |
1484 | const char *swho; | |
1485 | int32_t signo; | |
1486 | KillWho who; | |
1487 | const char *name; | |
1488 | Session *session; | |
1489 | ||
1490 | if (!dbus_message_get_args( | |
1491 | message, | |
1492 | &error, | |
1493 | DBUS_TYPE_STRING, &name, | |
1494 | DBUS_TYPE_STRING, &swho, | |
1495 | DBUS_TYPE_INT32, &signo, | |
1496 | DBUS_TYPE_INVALID)) | |
1497 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1498 | ||
1499 | if (isempty(swho)) | |
1500 | who = KILL_ALL; | |
1501 | else { | |
1502 | who = kill_who_from_string(swho); | |
1503 | if (who < 0) | |
1504 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1505 | } | |
1506 | ||
1507 | if (signo <= 0 || signo >= _NSIG) | |
1508 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1509 | ||
1510 | session = hashmap_get(m->sessions, name); | |
1511 | if (!session) | |
1512 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1513 | ||
1514 | r = session_kill(session, who, signo); | |
1515 | if (r < 0) | |
1516 | return bus_send_error_reply(connection, message, NULL, r); | |
1517 | ||
1518 | reply = dbus_message_new_method_return(message); | |
1519 | if (!reply) | |
1520 | goto oom; | |
1521 | ||
1522 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { | |
1523 | uint32_t uid; | |
1524 | User *user; | |
1525 | int32_t signo; | |
1526 | ||
1527 | if (!dbus_message_get_args( | |
1528 | message, | |
1529 | &error, | |
1530 | DBUS_TYPE_UINT32, &uid, | |
1531 | DBUS_TYPE_INT32, &signo, | |
1532 | DBUS_TYPE_INVALID)) | |
1533 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1534 | ||
1535 | if (signo <= 0 || signo >= _NSIG) | |
1536 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1537 | ||
1538 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1539 | if (!user) | |
1540 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1541 | ||
1542 | r = user_kill(user, signo); | |
1543 | if (r < 0) | |
1544 | return bus_send_error_reply(connection, message, NULL, r); | |
1545 | ||
1546 | reply = dbus_message_new_method_return(message); | |
1547 | if (!reply) | |
1548 | goto oom; | |
1549 | ||
bef422ae LP |
1550 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { |
1551 | const char *name; | |
1552 | Session *session; | |
1553 | ||
1554 | if (!dbus_message_get_args( | |
1555 | message, | |
1556 | &error, | |
1557 | DBUS_TYPE_STRING, &name, | |
1558 | DBUS_TYPE_INVALID)) | |
1559 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1560 | ||
1561 | session = hashmap_get(m->sessions, name); | |
1562 | if (!session) | |
1563 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1564 | ||
1565 | r = session_stop(session); | |
1566 | if (r < 0) | |
1567 | return bus_send_error_reply(connection, message, NULL, r); | |
1568 | ||
1569 | reply = dbus_message_new_method_return(message); | |
1570 | if (!reply) | |
1571 | goto oom; | |
1572 | ||
1573 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { | |
1574 | uint32_t uid; | |
1575 | User *user; | |
1576 | ||
1577 | if (!dbus_message_get_args( | |
1578 | message, | |
1579 | &error, | |
1580 | DBUS_TYPE_UINT32, &uid, | |
1581 | DBUS_TYPE_INVALID)) | |
1582 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1583 | ||
1584 | user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1585 | if (!user) | |
1586 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1587 | ||
1588 | r = user_stop(user); | |
1589 | if (r < 0) | |
1590 | return bus_send_error_reply(connection, message, NULL, r); | |
1591 | ||
1592 | reply = dbus_message_new_method_return(message); | |
1593 | if (!reply) | |
1594 | goto oom; | |
1595 | ||
1596 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { | |
1597 | const char *name; | |
1598 | Seat *seat; | |
1599 | ||
1600 | if (!dbus_message_get_args( | |
1601 | message, | |
1602 | &error, | |
1603 | DBUS_TYPE_STRING, &name, | |
1604 | DBUS_TYPE_INVALID)) | |
1605 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1606 | ||
1607 | seat = hashmap_get(m->seats, name); | |
1608 | if (!seat) | |
1609 | return bus_send_error_reply(connection, message, &error, -ENOENT); | |
1610 | ||
1611 | r = seat_stop_sessions(seat); | |
1612 | if (r < 0) | |
1613 | return bus_send_error_reply(connection, message, NULL, r); | |
1614 | ||
1615 | reply = dbus_message_new_method_return(message); | |
1616 | if (!reply) | |
1617 | goto oom; | |
1618 | ||
7f7bb946 LP |
1619 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { |
1620 | uint32_t uid; | |
1621 | struct passwd *pw; | |
1622 | dbus_bool_t b, interactive; | |
1623 | char *path; | |
1624 | ||
1625 | if (!dbus_message_get_args( | |
1626 | message, | |
1627 | &error, | |
1628 | DBUS_TYPE_UINT32, &uid, | |
1629 | DBUS_TYPE_BOOLEAN, &b, | |
1630 | DBUS_TYPE_BOOLEAN, &interactive, | |
1631 | DBUS_TYPE_INVALID)) | |
1632 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1633 | ||
1634 | errno = 0; | |
1635 | pw = getpwuid(uid); | |
1636 | if (!pw) | |
1637 | return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); | |
1638 | ||
89f13440 | 1639 | r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); |
7f7bb946 LP |
1640 | if (r < 0) |
1641 | return bus_send_error_reply(connection, message, &error, r); | |
1642 | ||
02b16a19 LP |
1643 | mkdir_p("/var/lib/systemd", 0755); |
1644 | ||
7f7bb946 LP |
1645 | r = safe_mkdir("/var/lib/systemd/linger", 0755, 0, 0); |
1646 | if (r < 0) | |
1647 | return bus_send_error_reply(connection, message, &error, r); | |
1648 | ||
1649 | path = strappend("/var/lib/systemd/linger/", pw->pw_name); | |
1650 | if (!path) | |
1651 | goto oom; | |
1652 | ||
1653 | if (b) { | |
38f3fc7d LP |
1654 | User *u; |
1655 | ||
7f7bb946 LP |
1656 | r = touch(path); |
1657 | free(path); | |
1658 | ||
1659 | if (r < 0) | |
1660 | return bus_send_error_reply(connection, message, &error, r); | |
38f3fc7d LP |
1661 | |
1662 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1663 | user_start(u); | |
1664 | ||
7f7bb946 | 1665 | } else { |
38f3fc7d LP |
1666 | User *u; |
1667 | ||
7f7bb946 LP |
1668 | r = unlink(path); |
1669 | free(path); | |
1670 | ||
1671 | if (r < 0 && errno != ENOENT) | |
1672 | return bus_send_error_reply(connection, message, &error, -errno); | |
38f3fc7d LP |
1673 | |
1674 | u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); | |
1675 | if (u) | |
1676 | user_add_to_gc_queue(u); | |
7f7bb946 LP |
1677 | } |
1678 | ||
1679 | reply = dbus_message_new_method_return(message); | |
1680 | if (!reply) | |
1681 | goto oom; | |
1682 | ||
47a26690 LP |
1683 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { |
1684 | const char *sysfs, *seat; | |
1685 | dbus_bool_t interactive; | |
1686 | ||
1687 | if (!dbus_message_get_args( | |
1688 | message, | |
1689 | &error, | |
1690 | DBUS_TYPE_STRING, &seat, | |
1691 | DBUS_TYPE_STRING, &sysfs, | |
1692 | DBUS_TYPE_BOOLEAN, &interactive, | |
1693 | DBUS_TYPE_INVALID)) | |
1694 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1695 | ||
1696 | if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) | |
1697 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
1698 | ||
89f13440 | 1699 | r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); |
47a26690 LP |
1700 | if (r < 0) |
1701 | return bus_send_error_reply(connection, message, &error, r); | |
1702 | ||
1703 | r = attach_device(m, seat, sysfs); | |
1704 | if (r < 0) | |
1705 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
1706 | ||
1707 | reply = dbus_message_new_method_return(message); | |
1708 | if (!reply) | |
1709 | goto oom; | |
7f7bb946 | 1710 | |
b668e064 LP |
1711 | |
1712 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { | |
1713 | dbus_bool_t interactive; | |
1714 | ||
1715 | if (!dbus_message_get_args( | |
1716 | message, | |
1717 | &error, | |
1718 | DBUS_TYPE_BOOLEAN, &interactive, | |
1719 | DBUS_TYPE_INVALID)) | |
1720 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1721 | ||
89f13440 | 1722 | r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); |
b668e064 LP |
1723 | if (r < 0) |
1724 | return bus_send_error_reply(connection, message, &error, r); | |
1725 | ||
1726 | r = flush_devices(m); | |
1727 | if (r < 0) | |
1728 | return bus_send_error_reply(connection, message, NULL, -EINVAL); | |
1729 | ||
1730 | reply = dbus_message_new_method_return(message); | |
1731 | if (!reply) | |
1732 | goto oom; | |
1733 | ||
55af3897 LP |
1734 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff") || |
1735 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { | |
1736 | dbus_bool_t interactive; | |
eecd1362 | 1737 | bool multiple_sessions, blocked, delayed; |
f8e2fb7b | 1738 | const char *name, *action; |
55af3897 LP |
1739 | |
1740 | if (!dbus_message_get_args( | |
1741 | message, | |
1742 | &error, | |
1743 | DBUS_TYPE_BOOLEAN, &interactive, | |
1744 | DBUS_TYPE_INVALID)) | |
1745 | return bus_send_error_reply(connection, message, &error, -EINVAL); | |
1746 | ||
89f13440 LP |
1747 | r = have_multiple_sessions(connection, m, message, &error); |
1748 | if (r < 0) | |
1749 | return bus_send_error_reply(connection, message, &error, r); | |
55af3897 | 1750 | |
89f13440 | 1751 | multiple_sessions = r > 0; |
eecd1362 | 1752 | blocked = manager_is_inhibited(m, INHIBIT_SHUTDOWN, INHIBIT_BLOCK, NULL); |
55af3897 | 1753 | |
f8e2fb7b LP |
1754 | if (multiple_sessions) { |
1755 | action = streq(dbus_message_get_member(message), "PowerOff") ? | |
1756 | "org.freedesktop.login1.power-off-multiple-sessions" : | |
1757 | "org.freedesktop.login1.reboot-multiple-sessions"; | |
55af3897 | 1758 | |
f8e2fb7b LP |
1759 | r = verify_polkit(connection, message, action, interactive, NULL, &error); |
1760 | if (r < 0) | |
1761 | return bus_send_error_reply(connection, message, &error, r); | |
1762 | } | |
1763 | ||
eecd1362 | 1764 | if (blocked) { |
f8e2fb7b LP |
1765 | action = streq(dbus_message_get_member(message), "PowerOff") ? |
1766 | "org.freedesktop.login1.power-off-ignore-inhibit" : | |
1767 | "org.freedesktop.login1.reboot-ignore-inhibit"; | |
55af3897 | 1768 | |
f8e2fb7b LP |
1769 | r = verify_polkit(connection, message, action, interactive, NULL, &error); |
1770 | if (r < 0) | |
1771 | return bus_send_error_reply(connection, message, &error, r); | |
55af3897 LP |
1772 | } |
1773 | ||
eecd1362 | 1774 | if (!multiple_sessions && !blocked) { |
f8e2fb7b LP |
1775 | action = streq(dbus_message_get_member(message), "PowerOff") ? |
1776 | "org.freedesktop.login1.power-off" : | |
1777 | "org.freedesktop.login1.reboot"; | |
1778 | ||
1779 | r = verify_polkit(connection, message, action, interactive, NULL, &error); | |
1780 | if (r < 0) | |
1781 | return bus_send_error_reply(connection, message, &error, r); | |
1782 | } | |
55af3897 | 1783 | |
f8e2fb7b LP |
1784 | name = streq(dbus_message_get_member(message), "PowerOff") ? |
1785 | SPECIAL_POWEROFF_TARGET : SPECIAL_REBOOT_TARGET; | |
1786 | ||
eecd1362 LP |
1787 | delayed = |
1788 | m->inhibit_delay_max > 0 && | |
1789 | manager_is_inhibited(m, INHIBIT_SHUTDOWN, INHIBIT_DELAY, NULL); | |
55af3897 | 1790 | |
eecd1362 LP |
1791 | if (delayed) { |
1792 | /* Shutdown is delayed, keep in mind what we | |
1793 | * want to do, and start a timeout */ | |
1794 | r = delay_shutdown(m, name); | |
1795 | if (r < 0) | |
1796 | return bus_send_error_reply(connection, message, NULL, r); | |
1797 | } else { | |
1798 | /* Shutdown is not delayed, execute it | |
1799 | * immediately */ | |
1800 | r = send_start_unit(connection, name, &error); | |
1801 | if (r < 0) | |
1802 | return bus_send_error_reply(connection, message, &error, r); | |
1803 | } | |
55af3897 LP |
1804 | |
1805 | reply = dbus_message_new_method_return(message); | |
1806 | if (!reply) | |
1807 | goto oom; | |
1808 | ||
89f13440 LP |
1809 | } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff") || |
1810 | dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { | |
1811 | ||
f8e2fb7b LP |
1812 | bool multiple_sessions, challenge, inhibit, b; |
1813 | const char *action, *result; | |
89f13440 LP |
1814 | |
1815 | r = have_multiple_sessions(connection, m, message, &error); | |
1816 | if (r < 0) | |
1817 | return bus_send_error_reply(connection, message, &error, r); | |
1818 | ||
1819 | multiple_sessions = r > 0; | |
eecd1362 | 1820 | inhibit = manager_is_inhibited(m, INHIBIT_SHUTDOWN, INHIBIT_BLOCK, NULL); |
f8e2fb7b LP |
1821 | |
1822 | if (multiple_sessions) { | |
1823 | action = streq(dbus_message_get_member(message), "CanPowerOff") ? | |
1824 | "org.freedesktop.login1.power-off-multiple-sessions" : | |
1825 | "org.freedesktop.login1.reboot-multiple-sessions"; | |
89f13440 | 1826 | |
f8e2fb7b LP |
1827 | r = verify_polkit(connection, message, action, false, &challenge, &error); |
1828 | if (r < 0) | |
1829 | return bus_send_error_reply(connection, message, &error, r); | |
1830 | ||
1831 | if (r > 0) | |
1832 | result = "yes"; | |
1833 | else if (challenge) | |
1834 | result = "challenge"; | |
89f13440 | 1835 | else |
f8e2fb7b LP |
1836 | result = "no"; |
1837 | } | |
89f13440 | 1838 | |
f8e2fb7b LP |
1839 | if (inhibit) { |
1840 | action = streq(dbus_message_get_member(message), "CanPowerOff") ? | |
1841 | "org.freedesktop.login1.power-off-ignore-inhibit" : | |
1842 | "org.freedesktop.login1.reboot-ignore-inhibit"; | |
1843 | ||
1844 | r = verify_polkit(connection, message, action, false, &challenge, &error); | |
1845 | if (r < 0) | |
1846 | return bus_send_error_reply(connection, message, &error, r); | |
1847 | ||
1848 | if (r > 0 && !result) | |
1849 | result = "yes"; | |
1850 | else if (challenge && (!result || streq(result, "yes"))) | |
1851 | result = "challenge"; | |
89f13440 | 1852 | else |
f8e2fb7b | 1853 | result = "no"; |
89f13440 LP |
1854 | } |
1855 | ||
f8e2fb7b LP |
1856 | if (!multiple_sessions && !inhibit) { |
1857 | /* If neither inhibit nor multiple sessions | |
1858 | * apply then just check the normal policy */ | |
1859 | ||
1860 | action = streq(dbus_message_get_member(message), "CanPowerOff") ? | |
1861 | "org.freedesktop.login1.power-off" : | |
1862 | "org.freedesktop.login1.reboot"; | |
1863 | ||
1864 | r = verify_polkit(connection, message, action, false, &challenge, &error); | |
1865 | if (r < 0) | |
1866 | return bus_send_error_reply(connection, message, &error, r); | |
1867 | ||
1868 | if (r > 0) | |
1869 | result = "yes"; | |
1870 | else if (challenge) | |
1871 | result = "challenge"; | |
1872 | else | |
1873 | result = "no"; | |
1874 | } | |
89f13440 LP |
1875 | |
1876 | reply = dbus_message_new_method_return(message); | |
1877 | if (!reply) | |
1878 | goto oom; | |
1879 | ||
89f13440 LP |
1880 | b = dbus_message_append_args( |
1881 | reply, | |
f8e2fb7b | 1882 | DBUS_TYPE_STRING, &result, |
89f13440 LP |
1883 | DBUS_TYPE_INVALID); |
1884 | if (!b) | |
1885 | goto oom; | |
1886 | ||
bef422ae | 1887 | } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { |
3f49d45a LP |
1888 | char *introspection = NULL; |
1889 | FILE *f; | |
1890 | Iterator i; | |
1891 | Session *session; | |
1892 | Seat *seat; | |
1893 | User *user; | |
1894 | size_t size; | |
1895 | char *p; | |
1896 | ||
1897 | if (!(reply = dbus_message_new_method_return(message))) | |
1898 | goto oom; | |
1899 | ||
1900 | /* We roll our own introspection code here, instead of | |
1901 | * relying on bus_default_message_handler() because we | |
1902 | * need to generate our introspection string | |
1903 | * dynamically. */ | |
1904 | ||
1905 | if (!(f = open_memstream(&introspection, &size))) | |
1906 | goto oom; | |
1907 | ||
1908 | fputs(INTROSPECTION_BEGIN, f); | |
1909 | ||
1910 | HASHMAP_FOREACH(seat, m->seats, i) { | |
1911 | p = bus_path_escape(seat->id); | |
1912 | ||
1913 | if (p) { | |
1914 | fprintf(f, "<node name=\"seat/%s\"/>", p); | |
1915 | free(p); | |
1916 | } | |
1917 | } | |
1918 | ||
1919 | HASHMAP_FOREACH(user, m->users, i) | |
1920 | fprintf(f, "<node name=\"user/%llu\"/>", (unsigned long long) user->uid); | |
1921 | ||
1922 | HASHMAP_FOREACH(session, m->sessions, i) { | |
1923 | p = bus_path_escape(session->id); | |
1924 | ||
1925 | if (p) { | |
1926 | fprintf(f, "<node name=\"session/%s\"/>", p); | |
1927 | free(p); | |
1928 | } | |
1929 | } | |
1930 | ||
1931 | fputs(INTROSPECTION_END, f); | |
1932 | ||
1933 | if (ferror(f)) { | |
1934 | fclose(f); | |
1935 | free(introspection); | |
1936 | goto oom; | |
1937 | } | |
1938 | ||
1939 | fclose(f); | |
1940 | ||
1941 | if (!introspection) | |
1942 | goto oom; | |
1943 | ||
1944 | if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { | |
1945 | free(introspection); | |
1946 | goto oom; | |
1947 | } | |
1948 | ||
1949 | free(introspection); | |
d200735e MS |
1950 | } else { |
1951 | const BusBoundProperties bps[] = { | |
1952 | { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, | |
1953 | { NULL, } | |
1954 | }; | |
1955 | return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); | |
1956 | } | |
3f49d45a LP |
1957 | |
1958 | if (reply) { | |
1959 | if (!dbus_connection_send(connection, reply, NULL)) | |
1960 | goto oom; | |
1961 | ||
1962 | dbus_message_unref(reply); | |
1963 | } | |
1964 | ||
1965 | return DBUS_HANDLER_RESULT_HANDLED; | |
1966 | ||
1967 | oom: | |
1968 | if (reply) | |
1969 | dbus_message_unref(reply); | |
1970 | ||
1971 | dbus_error_free(&error); | |
1972 | ||
1973 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
1974 | } | |
1975 | ||
1976 | const DBusObjectPathVTable bus_manager_vtable = { | |
1977 | .message_function = manager_message_handler | |
1978 | }; | |
9418f147 | 1979 | |
1713813d LP |
1980 | DBusHandlerResult bus_message_filter( |
1981 | DBusConnection *connection, | |
1982 | DBusMessage *message, | |
1983 | void *userdata) { | |
1984 | ||
1985 | Manager *m = userdata; | |
1986 | DBusError error; | |
1987 | ||
1988 | assert(m); | |
1989 | assert(connection); | |
1990 | assert(message); | |
1991 | ||
1992 | dbus_error_init(&error); | |
1993 | ||
1994 | if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Agent", "Released")) { | |
1995 | const char *cgroup; | |
1996 | ||
1997 | if (!dbus_message_get_args(message, &error, | |
1998 | DBUS_TYPE_STRING, &cgroup, | |
1999 | DBUS_TYPE_INVALID)) | |
2000 | log_error("Failed to parse Released message: %s", bus_error_message(&error)); | |
2001 | else | |
2002 | manager_cgroup_notify_empty(m, cgroup); | |
2003 | } | |
2004 | ||
2005 | dbus_error_free(&error); | |
2006 | ||
2007 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
2008 | } | |
2009 | ||
9418f147 LP |
2010 | int manager_send_changed(Manager *manager, const char *properties) { |
2011 | DBusMessage *m; | |
2012 | int r = -ENOMEM; | |
2013 | ||
2014 | assert(manager); | |
2015 | ||
2016 | m = bus_properties_changed_new("/org/freedesktop/login1", "org.freedesktop.login1.Manager", properties); | |
2017 | if (!m) | |
2018 | goto finish; | |
2019 | ||
2020 | if (!dbus_connection_send(manager->bus, m, NULL)) | |
2021 | goto finish; | |
2022 | ||
2023 | r = 0; | |
2024 | ||
2025 | finish: | |
2026 | if (m) | |
2027 | dbus_message_unref(m); | |
2028 | ||
2029 | return r; | |
2030 | } | |
eecd1362 LP |
2031 | |
2032 | int manager_dispatch_delayed_shutdown(Manager *manager) { | |
2033 | const char *name; | |
2034 | DBusError error; | |
2035 | bool delayed; | |
2036 | int r; | |
2037 | ||
2038 | assert(manager); | |
2039 | ||
2040 | if (!manager->delayed_shutdown) | |
2041 | return 0; | |
2042 | ||
2043 | /* Continue delay? */ | |
2044 | delayed = | |
2045 | manager->delayed_shutdown_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC) && | |
2046 | manager_is_inhibited(manager, INHIBIT_SHUTDOWN, INHIBIT_DELAY, NULL); | |
2047 | if (delayed) | |
2048 | return 0; | |
2049 | ||
2050 | /* Reset delay data */ | |
2051 | name = manager->delayed_shutdown; | |
2052 | manager->delayed_shutdown = NULL; | |
2053 | ||
2054 | /* Actually do the shutdown */ | |
2055 | dbus_error_init(&error); | |
2056 | r = send_start_unit(manager->bus, name, &error); | |
2057 | if (r < 0) { | |
2058 | log_warning("Failed to send delayed shutdown message: %s", bus_error_message_or_strerror(&error, -r)); | |
2059 | return r; | |
2060 | } | |
2061 | ||
2062 | /* Tell people about it */ | |
2063 | send_prepare_for_shutdown(manager, false); | |
2064 | ||
2065 | return 1; | |
2066 | } |