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1ee306e1 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 | |
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 | |
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 | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <pwd.h> | |
adacb957 | 26 | #include <sys/capability.h> |
1ee306e1 | 27 | |
c3350683 LP |
28 | #include "sd-id128.h" |
29 | #include "sd-messages.h" | |
1ee306e1 LP |
30 | #include "strv.h" |
31 | #include "mkdir.h" | |
32 | #include "path-util.h" | |
33 | #include "special.h" | |
1ee306e1 LP |
34 | #include "fileio-label.h" |
35 | #include "label.h" | |
36 | #include "utf8.h" | |
37 | #include "unit-name.h" | |
c3350683 | 38 | #include "bus-util.h" |
718db961 | 39 | #include "bus-errors.h" |
c3350683 | 40 | #include "time-util.h" |
23c80348 | 41 | #include "cgroup-util.h" |
c3350683 | 42 | #include "machined.h" |
1ee306e1 | 43 | |
ebcf1f97 | 44 | static int method_get_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
45 | _cleanup_free_ char *p = NULL; |
46 | Manager *m = userdata; | |
47 | Machine *machine; | |
48 | const char *name; | |
49 | int r; | |
50 | ||
51 | assert(bus); | |
52 | assert(message); | |
53 | assert(m); | |
54 | ||
55 | r = sd_bus_message_read(message, "s", &name); | |
56 | if (r < 0) | |
ebcf1f97 | 57 | return r; |
c3350683 LP |
58 | |
59 | machine = hashmap_get(m->machines, name); | |
60 | if (!machine) | |
ebcf1f97 | 61 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
c3350683 LP |
62 | |
63 | p = machine_bus_path(machine); | |
64 | if (!p) | |
ebcf1f97 | 65 | return -ENOMEM; |
c3350683 | 66 | |
df2d202e | 67 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
68 | } |
69 | ||
ebcf1f97 | 70 | static int method_get_machine_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
71 | _cleanup_free_ char *p = NULL; |
72 | Manager *m = userdata; | |
73 | Machine *machine = NULL; | |
4e724d9c | 74 | pid_t pid; |
c3350683 LP |
75 | int r; |
76 | ||
77 | assert(bus); | |
78 | assert(message); | |
79 | assert(m); | |
80 | ||
4e724d9c LP |
81 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
82 | ||
c3350683 LP |
83 | r = sd_bus_message_read(message, "u", &pid); |
84 | if (r < 0) | |
ebcf1f97 | 85 | return r; |
c3350683 | 86 | |
4e724d9c | 87 | if (pid == 0) { |
5b12334d LP |
88 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
89 | ||
90 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
91 | if (r < 0) | |
92 | return r; | |
93 | ||
94 | r = sd_bus_creds_get_pid(creds, &pid); | |
4e724d9c | 95 | if (r < 0) |
ebcf1f97 | 96 | return r; |
4e724d9c LP |
97 | } |
98 | ||
c3350683 LP |
99 | r = manager_get_machine_by_pid(m, pid, &machine); |
100 | if (r < 0) | |
ebcf1f97 | 101 | return r; |
c3350683 | 102 | if (!machine) |
de0671ee | 103 | return sd_bus_error_setf(error, BUS_ERROR_NO_MACHINE_FOR_PID, "PID "PID_FMT" does not belong to any known machine", pid); |
c3350683 LP |
104 | |
105 | p = machine_bus_path(machine); | |
106 | if (!p) | |
ebcf1f97 | 107 | return -ENOMEM; |
c3350683 | 108 | |
df2d202e | 109 | return sd_bus_reply_method_return(message, "o", p); |
c3350683 LP |
110 | } |
111 | ||
ebcf1f97 | 112 | static int method_list_machines(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
113 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
114 | Manager *m = userdata; | |
115 | Machine *machine; | |
116 | Iterator i; | |
117 | int r; | |
118 | ||
119 | assert(bus); | |
120 | assert(message); | |
121 | assert(m); | |
122 | ||
df2d202e | 123 | r = sd_bus_message_new_method_return(message, &reply); |
c3350683 | 124 | if (r < 0) |
ebcf1f97 | 125 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
126 | |
127 | r = sd_bus_message_open_container(reply, 'a', "(ssso)"); | |
128 | if (r < 0) | |
ebcf1f97 | 129 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
130 | |
131 | HASHMAP_FOREACH(machine, m->machines, i) { | |
132 | _cleanup_free_ char *p = NULL; | |
133 | ||
134 | p = machine_bus_path(machine); | |
135 | if (!p) | |
ebcf1f97 | 136 | return -ENOMEM; |
c3350683 LP |
137 | |
138 | r = sd_bus_message_append(reply, "(ssso)", | |
139 | machine->name, | |
140 | strempty(machine_class_to_string(machine->class)), | |
141 | machine->service, | |
142 | p); | |
143 | if (r < 0) | |
ebcf1f97 | 144 | return sd_bus_error_set_errno(error, r); |
c3350683 | 145 | } |
1ee306e1 | 146 | |
c3350683 LP |
147 | r = sd_bus_message_close_container(reply); |
148 | if (r < 0) | |
ebcf1f97 | 149 | return sd_bus_error_set_errno(error, r); |
c3350683 LP |
150 | |
151 | return sd_bus_send(bus, reply, NULL); | |
152 | } | |
153 | ||
9b5ed6fe | 154 | static int method_create_or_register_machine(Manager *manager, sd_bus_message *message, bool read_network, Machine **_m, sd_bus_error *error) { |
8aec412f | 155 | const char *name, *service, *class, *root_directory; |
9b5ed6fe | 156 | const int32_t *netif = NULL; |
1ee306e1 LP |
157 | MachineClass c; |
158 | uint32_t leader; | |
159 | sd_id128_t id; | |
c3350683 | 160 | const void *v; |
1ee306e1 | 161 | Machine *m; |
9b5ed6fe | 162 | size_t n, n_netif = 0; |
c3350683 | 163 | int r; |
1ee306e1 | 164 | |
c3350683 | 165 | assert(manager); |
89f7c846 LP |
166 | assert(message); |
167 | assert(_m); | |
1ee306e1 | 168 | |
c3350683 LP |
169 | r = sd_bus_message_read(message, "s", &name); |
170 | if (r < 0) | |
ebcf1f97 | 171 | return r; |
7f0d207d | 172 | if (!machine_name_is_valid(name)) |
ebcf1f97 | 173 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine name"); |
1ee306e1 | 174 | |
c3350683 LP |
175 | r = sd_bus_message_read_array(message, 'y', &v, &n); |
176 | if (r < 0) | |
ebcf1f97 | 177 | return r; |
1ee306e1 LP |
178 | if (n == 0) |
179 | id = SD_ID128_NULL; | |
180 | else if (n == 16) | |
181 | memcpy(&id, v, n); | |
182 | else | |
ebcf1f97 | 183 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine ID parameter"); |
1ee306e1 | 184 | |
c3350683 LP |
185 | r = sd_bus_message_read(message, "ssus", &service, &class, &leader, &root_directory); |
186 | if (r < 0) | |
ebcf1f97 | 187 | return r; |
1ee306e1 | 188 | |
9b5ed6fe LP |
189 | if (read_network) { |
190 | size_t i; | |
191 | ||
192 | r = sd_bus_message_read_array(message, 'i', (const void**) &netif, &n_netif); | |
193 | if (r < 0) | |
194 | return r; | |
195 | ||
196 | n_netif /= sizeof(int32_t); | |
197 | ||
198 | for (i = 0; i < n_netif; i++) { | |
199 | if (netif[i] <= 0) | |
200 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid network interface index %i", netif[i]); | |
201 | } | |
202 | } | |
203 | ||
1ee306e1 LP |
204 | if (isempty(class)) |
205 | c = _MACHINE_CLASS_INVALID; | |
206 | else { | |
207 | c = machine_class_from_string(class); | |
208 | if (c < 0) | |
ebcf1f97 | 209 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid machine class parameter"); |
1ee306e1 LP |
210 | } |
211 | ||
c3350683 | 212 | if (leader == 1) |
ebcf1f97 | 213 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
1ee306e1 | 214 | |
c3350683 | 215 | if (!isempty(root_directory) && !path_is_absolute(root_directory)) |
ebcf1f97 | 216 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root directory must be empty or an absolute path"); |
1ee306e1 | 217 | |
c3350683 | 218 | if (leader == 0) { |
5b12334d LP |
219 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
220 | ||
221 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); | |
222 | if (r < 0) | |
223 | return r; | |
224 | ||
c3350683 | 225 | assert_cc(sizeof(uint32_t) == sizeof(pid_t)); |
554604b3 | 226 | |
5b12334d | 227 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
c3350683 | 228 | if (r < 0) |
ebcf1f97 | 229 | return r; |
c3350683 | 230 | } |
554604b3 | 231 | |
1ee306e1 | 232 | if (hashmap_get(manager->machines, name)) |
ebcf1f97 | 233 | return sd_bus_error_setf(error, BUS_ERROR_MACHINE_EXISTS, "Machine '%s' already exists", name); |
1ee306e1 LP |
234 | |
235 | r = manager_add_machine(manager, name, &m); | |
236 | if (r < 0) | |
ebcf1f97 | 237 | return r; |
1ee306e1 LP |
238 | |
239 | m->leader = leader; | |
240 | m->class = c; | |
241 | m->id = id; | |
242 | ||
243 | if (!isempty(service)) { | |
244 | m->service = strdup(service); | |
245 | if (!m->service) { | |
ebcf1f97 | 246 | r = -ENOMEM; |
1ee306e1 LP |
247 | goto fail; |
248 | } | |
249 | } | |
250 | ||
251 | if (!isempty(root_directory)) { | |
252 | m->root_directory = strdup(root_directory); | |
253 | if (!m->root_directory) { | |
ebcf1f97 | 254 | r = -ENOMEM; |
1ee306e1 LP |
255 | goto fail; |
256 | } | |
257 | } | |
258 | ||
9b5ed6fe LP |
259 | if (n_netif > 0) { |
260 | assert_cc(sizeof(int32_t) == sizeof(int)); | |
261 | m->netif = memdup(netif, sizeof(int32_t) * n_netif); | |
262 | if (!m->netif) { | |
263 | r = -ENOMEM; | |
264 | goto fail; | |
265 | } | |
266 | ||
267 | m->n_netif = n_netif; | |
268 | } | |
269 | ||
89f7c846 LP |
270 | *_m = m; |
271 | ||
272 | return 1; | |
273 | ||
274 | fail: | |
275 | machine_add_to_gc_queue(m); | |
276 | return r; | |
277 | } | |
278 | ||
9b5ed6fe | 279 | static int method_create_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { |
89f7c846 LP |
280 | Manager *manager = userdata; |
281 | Machine *m = NULL; | |
282 | int r; | |
283 | ||
9b5ed6fe | 284 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
285 | if (r < 0) |
286 | return r; | |
287 | ||
288 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); | |
289 | if (r < 0) | |
290 | goto fail; | |
291 | ||
ebcf1f97 LP |
292 | r = machine_start(m, message, error); |
293 | if (r < 0) | |
1ee306e1 LP |
294 | goto fail; |
295 | ||
c3350683 | 296 | m->create_message = sd_bus_message_ref(message); |
c3350683 | 297 | return 1; |
1ee306e1 LP |
298 | |
299 | fail: | |
a3e7f417 | 300 | machine_add_to_gc_queue(m); |
89f7c846 LP |
301 | return r; |
302 | } | |
1ee306e1 | 303 | |
9b5ed6fe LP |
304 | static int method_create_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
305 | return method_create_machine_internal(bus, message, true, userdata, error); | |
306 | } | |
307 | ||
308 | static int method_create_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
309 | return method_create_machine_internal(bus, message, false, userdata, error); | |
310 | } | |
311 | ||
312 | static int method_register_machine_internal(sd_bus *bus, sd_bus_message *message, bool read_network, void *userdata, sd_bus_error *error) { | |
89f7c846 LP |
313 | Manager *manager = userdata; |
314 | _cleanup_free_ char *p = NULL; | |
315 | Machine *m = NULL; | |
316 | int r; | |
317 | ||
9b5ed6fe | 318 | r = method_create_or_register_machine(manager, message, read_network, &m, error); |
89f7c846 LP |
319 | if (r < 0) |
320 | return r; | |
321 | ||
322 | r = cg_pid_get_unit(m->leader, &m->unit); | |
323 | if (r < 0) { | |
324 | r = sd_bus_error_set_errnof(error, r, "Failed to determine unit of process "PID_FMT" : %s", m->leader, strerror(-r)); | |
325 | goto fail; | |
326 | } | |
327 | ||
8d90c8a8 LP |
328 | m->registered = true; |
329 | ||
89f7c846 LP |
330 | r = machine_start(m, NULL, error); |
331 | if (r < 0) | |
332 | goto fail; | |
333 | ||
334 | p = machine_bus_path(m); | |
335 | if (!p) { | |
336 | r = -ENOMEM; | |
337 | goto fail; | |
338 | } | |
339 | ||
340 | return sd_bus_reply_method_return(message, "o", p); | |
341 | ||
342 | fail: | |
343 | machine_add_to_gc_queue(m); | |
1ee306e1 LP |
344 | return r; |
345 | } | |
346 | ||
9b5ed6fe LP |
347 | static int method_register_machine_with_network(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
348 | return method_register_machine_internal(bus, message, true, userdata, error); | |
349 | } | |
350 | ||
351 | static int method_register_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
352 | return method_register_machine_internal(bus, message, false, userdata, error); | |
353 | } | |
354 | ||
ebcf1f97 | 355 | static int method_terminate_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1ee306e1 | 356 | Manager *m = userdata; |
c3350683 LP |
357 | Machine *machine; |
358 | const char *name; | |
1ee306e1 LP |
359 | int r; |
360 | ||
c3350683 | 361 | assert(bus); |
1ee306e1 LP |
362 | assert(message); |
363 | assert(m); | |
364 | ||
c3350683 LP |
365 | r = sd_bus_message_read(message, "s", &name); |
366 | if (r < 0) | |
ebcf1f97 | 367 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 368 | |
c3350683 LP |
369 | machine = hashmap_get(m->machines, name); |
370 | if (!machine) | |
ebcf1f97 | 371 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 372 | |
878cd7e9 | 373 | return bus_machine_method_terminate(bus, message, machine, error); |
c3350683 | 374 | } |
1ee306e1 | 375 | |
ebcf1f97 | 376 | static int method_kill_machine(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
377 | Manager *m = userdata; |
378 | Machine *machine; | |
379 | const char *name; | |
c3350683 | 380 | int r; |
1ee306e1 | 381 | |
c3350683 LP |
382 | assert(bus); |
383 | assert(message); | |
384 | assert(m); | |
1ee306e1 | 385 | |
878cd7e9 | 386 | r = sd_bus_message_read(message, "s", &name); |
c3350683 | 387 | if (r < 0) |
ebcf1f97 | 388 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 389 | |
c3350683 LP |
390 | machine = hashmap_get(m->machines, name); |
391 | if (!machine) | |
ebcf1f97 | 392 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); |
1ee306e1 | 393 | |
878cd7e9 LP |
394 | return bus_machine_method_kill(bus, message, machine, error); |
395 | } | |
396 | ||
397 | static int method_get_machine_addresses(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
398 | Manager *m = userdata; | |
399 | Machine *machine; | |
400 | const char *name; | |
401 | int r; | |
402 | ||
403 | assert(bus); | |
404 | assert(message); | |
405 | assert(m); | |
406 | ||
407 | r = sd_bus_message_read(message, "s", &name); | |
c3350683 | 408 | if (r < 0) |
ebcf1f97 | 409 | return sd_bus_error_set_errno(error, r); |
1ee306e1 | 410 | |
878cd7e9 LP |
411 | machine = hashmap_get(m->machines, name); |
412 | if (!machine) | |
413 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
414 | ||
415 | return bus_machine_method_get_addresses(bus, message, machine, error); | |
c3350683 | 416 | } |
1ee306e1 | 417 | |
717603e3 LP |
418 | static int method_get_machine_os_release(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
419 | Manager *m = userdata; | |
420 | Machine *machine; | |
421 | const char *name; | |
422 | int r; | |
423 | ||
424 | assert(bus); | |
425 | assert(message); | |
426 | assert(m); | |
427 | ||
428 | r = sd_bus_message_read(message, "s", &name); | |
429 | if (r < 0) | |
430 | return sd_bus_error_set_errno(error, r); | |
431 | ||
432 | machine = hashmap_get(m->machines, name); | |
433 | if (!machine) | |
434 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_MACHINE, "No machine '%s' known", name); | |
435 | ||
436 | return bus_machine_method_get_os_release(bus, message, machine, error); | |
437 | } | |
438 | ||
c3350683 LP |
439 | const sd_bus_vtable manager_vtable[] = { |
440 | SD_BUS_VTABLE_START(0), | |
adacb957 LP |
441 | SD_BUS_METHOD("GetMachine", "s", "o", method_get_machine, SD_BUS_VTABLE_UNPRIVILEGED), |
442 | SD_BUS_METHOD("GetMachineByPID", "u", "o", method_get_machine_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), | |
443 | SD_BUS_METHOD("ListMachines", NULL, "a(ssso)", method_list_machines, SD_BUS_VTABLE_UNPRIVILEGED), | |
c3350683 | 444 | SD_BUS_METHOD("CreateMachine", "sayssusa(sv)", "o", method_create_machine, 0), |
89f7c846 | 445 | SD_BUS_METHOD("RegisterMachine", "sayssus", "o", method_register_machine, 0), |
9b5ed6fe LP |
446 | SD_BUS_METHOD("CreateMachineWithNetwork", "sayssusaia(sv)", "o", method_create_machine_with_network, 0), |
447 | SD_BUS_METHOD("RegisterMachineWithNetwork", "sayssusai", "o", method_register_machine_with_network, 0), | |
adacb957 LP |
448 | SD_BUS_METHOD("KillMachine", "ssi", NULL, method_kill_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), |
449 | SD_BUS_METHOD("TerminateMachine", "s", NULL, method_terminate_machine, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), | |
3a6fb33c | 450 | SD_BUS_METHOD("GetMachineAddresses", "s", "a(iay)", method_get_machine_addresses, SD_BUS_VTABLE_UNPRIVILEGED), |
717603e3 | 451 | SD_BUS_METHOD("GetMachineOSRelease", "s", "a{ss}", method_get_machine_os_release, SD_BUS_VTABLE_UNPRIVILEGED), |
c3350683 LP |
452 | SD_BUS_SIGNAL("MachineNew", "so", 0), |
453 | SD_BUS_SIGNAL("MachineRemoved", "so", 0), | |
454 | SD_BUS_VTABLE_END | |
455 | }; | |
1ee306e1 | 456 | |
ebcf1f97 | 457 | int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 458 | const char *path, *result, *unit; |
1ee306e1 | 459 | Manager *m = userdata; |
c3350683 LP |
460 | Machine *machine; |
461 | uint32_t id; | |
462 | int r; | |
1ee306e1 | 463 | |
c3350683 | 464 | assert(bus); |
1ee306e1 | 465 | assert(message); |
c3350683 | 466 | assert(m); |
1ee306e1 | 467 | |
c3350683 LP |
468 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
469 | if (r < 0) { | |
ebcf1f97 LP |
470 | bus_log_parse_error(r); |
471 | return r; | |
c3350683 | 472 | } |
6797c324 | 473 | |
c3350683 LP |
474 | machine = hashmap_get(m->machine_units, unit); |
475 | if (!machine) | |
476 | return 0; | |
6797c324 | 477 | |
c3350683 LP |
478 | if (streq_ptr(path, machine->scope_job)) { |
479 | free(machine->scope_job); | |
480 | machine->scope_job = NULL; | |
6797c324 | 481 | |
c3350683 LP |
482 | if (machine->started) { |
483 | if (streq(result, "done")) | |
484 | machine_send_create_reply(machine, NULL); | |
485 | else { | |
ebcf1f97 | 486 | _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; |
6797c324 | 487 | |
ebcf1f97 | 488 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); |
6797c324 | 489 | |
ebcf1f97 | 490 | machine_send_create_reply(machine, &e); |
c3350683 LP |
491 | } |
492 | } else | |
493 | machine_save(machine); | |
1ee306e1 LP |
494 | } |
495 | ||
c3350683 LP |
496 | machine_add_to_gc_queue(machine); |
497 | return 0; | |
1ee306e1 LP |
498 | } |
499 | ||
ebcf1f97 | 500 | int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
501 | _cleanup_free_ char *unit = NULL; |
502 | Manager *m = userdata; | |
503 | Machine *machine; | |
504 | const char *path; | |
ebcf1f97 | 505 | int r; |
554604b3 | 506 | |
c3350683 LP |
507 | assert(bus); |
508 | assert(message); | |
509 | assert(m); | |
554604b3 | 510 | |
c3350683 LP |
511 | path = sd_bus_message_get_path(message); |
512 | if (!path) | |
554604b3 | 513 | return 0; |
554604b3 | 514 | |
ebcf1f97 LP |
515 | r = unit_name_from_dbus_path(path, &unit); |
516 | if (r < 0) | |
517 | return r; | |
554604b3 | 518 | |
c3350683 LP |
519 | machine = hashmap_get(m->machine_units, unit); |
520 | if (machine) | |
521 | machine_add_to_gc_queue(machine); | |
554604b3 | 522 | |
c3350683 LP |
523 | return 0; |
524 | } | |
554604b3 | 525 | |
ebcf1f97 | 526 | int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 LP |
527 | const char *path, *unit; |
528 | Manager *m = userdata; | |
529 | Machine *machine; | |
530 | int r; | |
554604b3 | 531 | |
c3350683 LP |
532 | assert(bus); |
533 | assert(message); | |
534 | assert(m); | |
554604b3 | 535 | |
c3350683 LP |
536 | r = sd_bus_message_read(message, "so", &unit, &path); |
537 | if (r < 0) { | |
ebcf1f97 LP |
538 | bus_log_parse_error(r); |
539 | return r; | |
554604b3 LP |
540 | } |
541 | ||
c3350683 LP |
542 | machine = hashmap_get(m->machine_units, unit); |
543 | if (machine) | |
544 | machine_add_to_gc_queue(machine); | |
554604b3 | 545 | |
c3350683 LP |
546 | return 0; |
547 | } | |
554604b3 | 548 | |
ebcf1f97 | 549 | int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
c3350683 | 550 | Manager *m = userdata; |
a658cafa LP |
551 | Machine *machine; |
552 | Iterator i; | |
c3350683 | 553 | int b, r; |
554604b3 | 554 | |
c3350683 | 555 | assert(bus); |
554604b3 | 556 | |
c3350683 LP |
557 | r = sd_bus_message_read(message, "b", &b); |
558 | if (r < 0) { | |
ebcf1f97 LP |
559 | bus_log_parse_error(r); |
560 | return r; | |
554604b3 | 561 | } |
a658cafa LP |
562 | if (b) |
563 | return 0; | |
554604b3 | 564 | |
a658cafa LP |
565 | /* systemd finished reloading, let's recheck all our machines */ |
566 | log_debug("System manager has been reloaded, rechecking machines..."); | |
554604b3 | 567 | |
a658cafa LP |
568 | HASHMAP_FOREACH(machine, m->machines, i) |
569 | machine_add_to_gc_queue(machine); | |
554604b3 LP |
570 | |
571 | return 0; | |
572 | } | |
573 | ||
1ee306e1 LP |
574 | int manager_start_scope( |
575 | Manager *manager, | |
576 | const char *scope, | |
577 | pid_t pid, | |
578 | const char *slice, | |
579 | const char *description, | |
c3350683 LP |
580 | sd_bus_message *more_properties, |
581 | sd_bus_error *error, | |
1ee306e1 LP |
582 | char **job) { |
583 | ||
c3350683 | 584 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; |
554604b3 | 585 | int r; |
1ee306e1 LP |
586 | |
587 | assert(manager); | |
588 | assert(scope); | |
589 | assert(pid > 1); | |
590 | ||
c3350683 LP |
591 | r = sd_bus_message_new_method_call( |
592 | manager->bus, | |
151b9b96 | 593 | &m, |
1ee306e1 LP |
594 | "org.freedesktop.systemd1", |
595 | "/org/freedesktop/systemd1", | |
596 | "org.freedesktop.systemd1.Manager", | |
151b9b96 | 597 | "StartTransientUnit"); |
c3350683 LP |
598 | if (r < 0) |
599 | return r; | |
1ee306e1 | 600 | |
a658cafa | 601 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
c3350683 LP |
602 | if (r < 0) |
603 | return r; | |
1ee306e1 | 604 | |
c3350683 LP |
605 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
606 | if (r < 0) | |
607 | return r; | |
1ee306e1 LP |
608 | |
609 | if (!isempty(slice)) { | |
c3350683 LP |
610 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
611 | if (r < 0) | |
612 | return r; | |
1ee306e1 LP |
613 | } |
614 | ||
615 | if (!isempty(description)) { | |
c3350683 LP |
616 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
617 | if (r < 0) | |
618 | return r; | |
1ee306e1 LP |
619 | } |
620 | ||
c3350683 LP |
621 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); |
622 | if (r < 0) | |
623 | return r; | |
554604b3 | 624 | |
a931ad47 LP |
625 | r = sd_bus_message_append(m, "(sv)", "Delegate", "b", 1); |
626 | if (r < 0) | |
627 | return r; | |
628 | ||
554604b3 | 629 | if (more_properties) { |
c3350683 | 630 | r = sd_bus_message_copy(m, more_properties, true); |
554604b3 LP |
631 | if (r < 0) |
632 | return r; | |
633 | } | |
634 | ||
c3350683 LP |
635 | r = sd_bus_message_close_container(m); |
636 | if (r < 0) | |
637 | return r; | |
1ee306e1 | 638 | |
86b8d289 LP |
639 | r = sd_bus_message_append(m, "a(sa(sv))", 0); |
640 | if (r < 0) | |
641 | return r; | |
642 | ||
c49b30a2 | 643 | r = sd_bus_call(manager->bus, m, 0, error, &reply); |
c3350683 LP |
644 | if (r < 0) |
645 | return r; | |
1ee306e1 LP |
646 | |
647 | if (job) { | |
648 | const char *j; | |
649 | char *copy; | |
650 | ||
c3350683 LP |
651 | r = sd_bus_message_read(reply, "o", &j); |
652 | if (r < 0) | |
653 | return r; | |
1ee306e1 LP |
654 | |
655 | copy = strdup(j); | |
656 | if (!copy) | |
657 | return -ENOMEM; | |
658 | ||
659 | *job = copy; | |
660 | } | |
661 | ||
c3350683 | 662 | return 1; |
1ee306e1 LP |
663 | } |
664 | ||
c3350683 LP |
665 | int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
666 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 LP |
667 | int r; |
668 | ||
669 | assert(manager); | |
670 | assert(unit); | |
671 | ||
c3350683 | 672 | r = sd_bus_call_method( |
1ee306e1 LP |
673 | manager->bus, |
674 | "org.freedesktop.systemd1", | |
675 | "/org/freedesktop/systemd1", | |
676 | "org.freedesktop.systemd1.Manager", | |
677 | "StopUnit", | |
1ee306e1 | 678 | error, |
c3350683 LP |
679 | &reply, |
680 | "ss", unit, "fail"); | |
1ee306e1 | 681 | if (r < 0) { |
c3350683 LP |
682 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || |
683 | sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { | |
6797c324 LP |
684 | |
685 | if (job) | |
686 | *job = NULL; | |
687 | ||
c3350683 | 688 | sd_bus_error_free(error); |
6797c324 LP |
689 | return 0; |
690 | } | |
691 | ||
1ee306e1 LP |
692 | return r; |
693 | } | |
694 | ||
695 | if (job) { | |
696 | const char *j; | |
697 | char *copy; | |
698 | ||
c3350683 LP |
699 | r = sd_bus_message_read(reply, "o", &j); |
700 | if (r < 0) | |
701 | return r; | |
1ee306e1 LP |
702 | |
703 | copy = strdup(j); | |
704 | if (!copy) | |
705 | return -ENOMEM; | |
706 | ||
707 | *job = copy; | |
708 | } | |
709 | ||
6797c324 | 710 | return 1; |
1ee306e1 LP |
711 | } |
712 | ||
de58a50e | 713 | int manager_kill_unit(Manager *manager, const char *unit, int signo, sd_bus_error *error) { |
1ee306e1 LP |
714 | assert(manager); |
715 | assert(unit); | |
716 | ||
a658cafa | 717 | return sd_bus_call_method( |
1ee306e1 LP |
718 | manager->bus, |
719 | "org.freedesktop.systemd1", | |
720 | "/org/freedesktop/systemd1", | |
721 | "org.freedesktop.systemd1.Manager", | |
722 | "KillUnit", | |
1ee306e1 | 723 | error, |
a658cafa | 724 | NULL, |
de58a50e | 725 | "ssi", unit, "all", signo); |
1ee306e1 LP |
726 | } |
727 | ||
728 | int manager_unit_is_active(Manager *manager, const char *unit) { | |
c3350683 LP |
729 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
730 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1ee306e1 | 731 | _cleanup_free_ char *path = NULL; |
1ee306e1 | 732 | const char *state; |
1ee306e1 LP |
733 | int r; |
734 | ||
735 | assert(manager); | |
736 | assert(unit); | |
737 | ||
1ee306e1 LP |
738 | path = unit_dbus_path_from_name(unit); |
739 | if (!path) | |
740 | return -ENOMEM; | |
741 | ||
c3350683 | 742 | r = sd_bus_get_property( |
1ee306e1 LP |
743 | manager->bus, |
744 | "org.freedesktop.systemd1", | |
745 | path, | |
c3350683 LP |
746 | "org.freedesktop.systemd1.Unit", |
747 | "ActiveState", | |
1ee306e1 | 748 | &error, |
c3350683 LP |
749 | &reply, |
750 | "s"); | |
1ee306e1 | 751 | if (r < 0) { |
c3350683 LP |
752 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || |
753 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
6797c324 | 754 | return true; |
6797c324 | 755 | |
c3350683 LP |
756 | if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || |
757 | sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) | |
6797c324 | 758 | return false; |
6797c324 | 759 | |
1ee306e1 LP |
760 | return r; |
761 | } | |
762 | ||
c3350683 LP |
763 | r = sd_bus_message_read(reply, "s", &state); |
764 | if (r < 0) | |
1ee306e1 | 765 | return -EINVAL; |
1ee306e1 LP |
766 | |
767 | return !streq(state, "inactive") && !streq(state, "failed"); | |
768 | } | |
bd16acf3 | 769 | |
c3350683 LP |
770 | int manager_job_is_active(Manager *manager, const char *path) { |
771 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
772 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
773 | int r; | |
bd16acf3 | 774 | |
c3350683 LP |
775 | assert(manager); |
776 | assert(path); | |
bd16acf3 | 777 | |
c3350683 LP |
778 | r = sd_bus_get_property( |
779 | manager->bus, | |
780 | "org.freedesktop.systemd1", | |
781 | path, | |
782 | "org.freedesktop.systemd1.Job", | |
783 | "State", | |
784 | &error, | |
785 | &reply, | |
786 | "s"); | |
787 | if (r < 0) { | |
788 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || | |
789 | sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) | |
790 | return true; | |
bd16acf3 | 791 | |
c3350683 LP |
792 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) |
793 | return false; | |
bd16acf3 | 794 | |
bd16acf3 | 795 | return r; |
c3350683 | 796 | } |
bd16acf3 | 797 | |
c3350683 LP |
798 | /* We don't actually care about the state really. The fact |
799 | * that we could read the job state is enough for us */ | |
bd16acf3 | 800 | |
c3350683 | 801 | return true; |
bd16acf3 | 802 | } |
ab49725f KS |
803 | |
804 | int manager_get_machine_by_pid(Manager *m, pid_t pid, Machine **machine) { | |
805 | _cleanup_free_ char *unit = NULL; | |
806 | Machine *mm; | |
807 | int r; | |
808 | ||
809 | assert(m); | |
810 | assert(pid >= 1); | |
811 | assert(machine); | |
812 | ||
813 | r = cg_pid_get_unit(pid, &unit); | |
814 | if (r < 0) | |
815 | mm = hashmap_get(m->machine_leaders, UINT_TO_PTR(pid)); | |
816 | else | |
817 | mm = hashmap_get(m->machine_units, unit); | |
818 | ||
819 | if (!mm) | |
820 | return 0; | |
821 | ||
822 | *machine = mm; | |
823 | return 1; | |
824 | } | |
825 | ||
826 | int manager_add_machine(Manager *m, const char *name, Machine **_machine) { | |
827 | Machine *machine; | |
828 | ||
829 | assert(m); | |
830 | assert(name); | |
831 | ||
832 | machine = hashmap_get(m->machines, name); | |
833 | if (!machine) { | |
834 | machine = machine_new(m, name); | |
835 | if (!machine) | |
836 | return -ENOMEM; | |
837 | } | |
838 | ||
839 | if (_machine) | |
840 | *_machine = machine; | |
841 | ||
842 | return 0; | |
843 | } |