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9444b1f2 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 | ||
66cb2fde | 22 | #include <errno.h> |
9444b1f2 LP |
23 | #include <string.h> |
24 | #include <unistd.h> | |
9444b1f2 | 25 | |
c3350683 | 26 | #include "sd-messages.h" |
fb6becb4 | 27 | |
b5efdb8a | 28 | #include "alloc-util.h" |
66cb2fde LP |
29 | #include "bus-error.h" |
30 | #include "bus-util.h" | |
4f5dd394 | 31 | #include "escape.h" |
cf0fbc49 | 32 | #include "extract-word.h" |
3ffd4af2 | 33 | #include "fd-util.h" |
9444b1f2 | 34 | #include "fileio.h" |
66cb2fde LP |
35 | #include "formats-util.h" |
36 | #include "hashmap.h" | |
4f5dd394 | 37 | #include "machine-dbus.h" |
3ffd4af2 | 38 | #include "machine.h" |
66cb2fde | 39 | #include "mkdir.h" |
6bedfcbb | 40 | #include "parse-util.h" |
4a0b58c4 | 41 | #include "process-util.h" |
9444b1f2 | 42 | #include "special.h" |
8b43440b | 43 | #include "string-table.h" |
66cb2fde | 44 | #include "terminal-util.h" |
fb6becb4 | 45 | #include "unit-name.h" |
66cb2fde | 46 | #include "util.h" |
9444b1f2 | 47 | |
fbe55073 | 48 | Machine* machine_new(Manager *manager, MachineClass class, const char *name) { |
9444b1f2 LP |
49 | Machine *m; |
50 | ||
51 | assert(manager); | |
fbe55073 | 52 | assert(class < _MACHINE_CLASS_MAX); |
9444b1f2 LP |
53 | assert(name); |
54 | ||
fbe55073 LP |
55 | /* Passing class == _MACHINE_CLASS_INVALID here is fine. It |
56 | * means as much as "we don't know yet", and that we'll figure | |
57 | * it out later when loading the state file. */ | |
58 | ||
9444b1f2 LP |
59 | m = new0(Machine, 1); |
60 | if (!m) | |
61 | return NULL; | |
62 | ||
63 | m->name = strdup(name); | |
64 | if (!m->name) | |
65 | goto fail; | |
66 | ||
fbe55073 LP |
67 | if (class != MACHINE_HOST) { |
68 | m->state_file = strappend("/run/systemd/machines/", m->name); | |
69 | if (!m->state_file) | |
70 | goto fail; | |
71 | } | |
72 | ||
73 | m->class = class; | |
9444b1f2 LP |
74 | |
75 | if (hashmap_put(manager->machines, m->name, m) < 0) | |
76 | goto fail; | |
77 | ||
9444b1f2 LP |
78 | m->manager = manager; |
79 | ||
80 | return m; | |
81 | ||
82 | fail: | |
83 | free(m->state_file); | |
84 | free(m->name); | |
85 | free(m); | |
86 | ||
87 | return NULL; | |
88 | } | |
89 | ||
90 | void machine_free(Machine *m) { | |
91 | assert(m); | |
92 | ||
0370612e LP |
93 | while (m->operations) |
94 | machine_operation_unref(m->operations); | |
95 | ||
9444b1f2 | 96 | if (m->in_gc_queue) |
71fda00f | 97 | LIST_REMOVE(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 | 98 | |
9b420b3c | 99 | machine_release_unit(m); |
9444b1f2 | 100 | |
fb6becb4 LP |
101 | free(m->scope_job); |
102 | ||
9b420b3c | 103 | (void) hashmap_remove(m->manager->machines, m->name); |
9444b1f2 | 104 | |
fbe55073 LP |
105 | if (m->manager->host_machine == m) |
106 | m->manager->host_machine = NULL; | |
107 | ||
d3e84ddb | 108 | if (m->leader > 0) |
4a0b58c4 | 109 | (void) hashmap_remove_value(m->manager->machine_leaders, PID_TO_PTR(m->leader), m); |
d3e84ddb | 110 | |
c3350683 | 111 | sd_bus_message_unref(m->create_message); |
fb6becb4 | 112 | |
9444b1f2 LP |
113 | free(m->name); |
114 | free(m->state_file); | |
115 | free(m->service); | |
9444b1f2 | 116 | free(m->root_directory); |
9b5ed6fe | 117 | free(m->netif); |
9444b1f2 LP |
118 | free(m); |
119 | } | |
120 | ||
121 | int machine_save(Machine *m) { | |
122 | _cleanup_free_ char *temp_path = NULL; | |
123 | _cleanup_fclose_ FILE *f = NULL; | |
124 | int r; | |
125 | ||
126 | assert(m); | |
fbe55073 LP |
127 | |
128 | if (!m->state_file) | |
129 | return 0; | |
9444b1f2 LP |
130 | |
131 | if (!m->started) | |
132 | return 0; | |
133 | ||
134 | r = mkdir_safe_label("/run/systemd/machines", 0755, 0, 0); | |
135 | if (r < 0) | |
dacd6cee | 136 | goto fail; |
9444b1f2 LP |
137 | |
138 | r = fopen_temporary(m->state_file, &f, &temp_path); | |
139 | if (r < 0) | |
dacd6cee | 140 | goto fail; |
9444b1f2 | 141 | |
dacd6cee | 142 | (void) fchmod(fileno(f), 0644); |
9444b1f2 LP |
143 | |
144 | fprintf(f, | |
145 | "# This is private data. Do not parse.\n" | |
146 | "NAME=%s\n", | |
147 | m->name); | |
148 | ||
ca5405bb LP |
149 | if (m->unit) { |
150 | _cleanup_free_ char *escaped; | |
151 | ||
152 | escaped = cescape(m->unit); | |
153 | if (!escaped) { | |
154 | r = -ENOMEM; | |
dacd6cee | 155 | goto fail; |
ca5405bb LP |
156 | } |
157 | ||
158 | fprintf(f, "SCOPE=%s\n", escaped); /* We continue to call this "SCOPE=" because it is internal only, and we want to stay compatible with old files */ | |
159 | } | |
fb6becb4 LP |
160 | |
161 | if (m->scope_job) | |
162 | fprintf(f, "SCOPE_JOB=%s\n", m->scope_job); | |
9444b1f2 | 163 | |
ca5405bb LP |
164 | if (m->service) { |
165 | _cleanup_free_ char *escaped; | |
9444b1f2 | 166 | |
ca5405bb LP |
167 | escaped = cescape(m->service); |
168 | if (!escaped) { | |
169 | r = -ENOMEM; | |
dacd6cee | 170 | goto fail; |
ca5405bb LP |
171 | } |
172 | fprintf(f, "SERVICE=%s\n", escaped); | |
173 | } | |
174 | ||
175 | if (m->root_directory) { | |
176 | _cleanup_free_ char *escaped; | |
177 | ||
178 | escaped = cescape(m->root_directory); | |
179 | if (!escaped) { | |
180 | r = -ENOMEM; | |
dacd6cee | 181 | goto fail; |
ca5405bb LP |
182 | } |
183 | fprintf(f, "ROOT=%s\n", escaped); | |
184 | } | |
9444b1f2 LP |
185 | |
186 | if (!sd_id128_equal(m->id, SD_ID128_NULL)) | |
187 | fprintf(f, "ID=" SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(m->id)); | |
188 | ||
189 | if (m->leader != 0) | |
90b2de37 | 190 | fprintf(f, "LEADER="PID_FMT"\n", m->leader); |
9444b1f2 LP |
191 | |
192 | if (m->class != _MACHINE_CLASS_INVALID) | |
193 | fprintf(f, "CLASS=%s\n", machine_class_to_string(m->class)); | |
194 | ||
195 | if (dual_timestamp_is_set(&m->timestamp)) | |
196 | fprintf(f, | |
90b2de37 ZJS |
197 | "REALTIME="USEC_FMT"\n" |
198 | "MONOTONIC="USEC_FMT"\n", | |
199 | m->timestamp.realtime, | |
200 | m->timestamp.monotonic); | |
9444b1f2 | 201 | |
9b5ed6fe LP |
202 | if (m->n_netif > 0) { |
203 | unsigned i; | |
204 | ||
205 | fputs("NETIF=", f); | |
206 | ||
207 | for (i = 0; i < m->n_netif; i++) { | |
208 | if (i != 0) | |
209 | fputc(' ', f); | |
210 | ||
211 | fprintf(f, "%i", m->netif[i]); | |
212 | } | |
213 | ||
214 | fputc('\n', f); | |
215 | } | |
216 | ||
034753ac LP |
217 | r = fflush_and_check(f); |
218 | if (r < 0) | |
dacd6cee | 219 | goto fail; |
9444b1f2 | 220 | |
034753ac | 221 | if (rename(temp_path, m->state_file) < 0) { |
9444b1f2 | 222 | r = -errno; |
dacd6cee | 223 | goto fail; |
9444b1f2 LP |
224 | } |
225 | ||
89f7c846 LP |
226 | if (m->unit) { |
227 | char *sl; | |
228 | ||
229 | /* Create a symlink from the unit name to the machine | |
230 | * name, so that we can quickly find the machine for | |
e62d9b81 | 231 | * each given unit. Ignore error. */ |
63c372cb | 232 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
e62d9b81 | 233 | (void) symlink(m->name, sl); |
89f7c846 LP |
234 | } |
235 | ||
dacd6cee | 236 | return 0; |
034753ac | 237 | |
dacd6cee LP |
238 | fail: |
239 | (void) unlink(m->state_file); | |
240 | ||
241 | if (temp_path) | |
242 | (void) unlink(temp_path); | |
9444b1f2 | 243 | |
dacd6cee | 244 | return log_error_errno(r, "Failed to save machine data %s: %m", m->state_file); |
9444b1f2 LP |
245 | } |
246 | ||
89f7c846 LP |
247 | static void machine_unlink(Machine *m) { |
248 | assert(m); | |
249 | ||
250 | if (m->unit) { | |
251 | ||
252 | char *sl; | |
253 | ||
63c372cb | 254 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
491ac9f2 | 255 | (void) unlink(sl); |
89f7c846 LP |
256 | } |
257 | ||
258 | if (m->state_file) | |
491ac9f2 | 259 | (void) unlink(m->state_file); |
89f7c846 LP |
260 | } |
261 | ||
9444b1f2 | 262 | int machine_load(Machine *m) { |
9b5ed6fe | 263 | _cleanup_free_ char *realtime = NULL, *monotonic = NULL, *id = NULL, *leader = NULL, *class = NULL, *netif = NULL; |
9444b1f2 LP |
264 | int r; |
265 | ||
266 | assert(m); | |
267 | ||
fbe55073 LP |
268 | if (!m->state_file) |
269 | return 0; | |
270 | ||
9444b1f2 | 271 | r = parse_env_file(m->state_file, NEWLINE, |
89f7c846 | 272 | "SCOPE", &m->unit, |
fb6becb4 | 273 | "SCOPE_JOB", &m->scope_job, |
9444b1f2 | 274 | "SERVICE", &m->service, |
9444b1f2 LP |
275 | "ROOT", &m->root_directory, |
276 | "ID", &id, | |
277 | "LEADER", &leader, | |
278 | "CLASS", &class, | |
279 | "REALTIME", &realtime, | |
280 | "MONOTONIC", &monotonic, | |
9b5ed6fe | 281 | "NETIF", &netif, |
9444b1f2 LP |
282 | NULL); |
283 | if (r < 0) { | |
284 | if (r == -ENOENT) | |
285 | return 0; | |
286 | ||
8d3d7072 | 287 | return log_error_errno(r, "Failed to read %s: %m", m->state_file); |
9444b1f2 LP |
288 | } |
289 | ||
290 | if (id) | |
291 | sd_id128_from_string(id, &m->id); | |
292 | ||
293 | if (leader) | |
294 | parse_pid(leader, &m->leader); | |
295 | ||
296 | if (class) { | |
297 | MachineClass c; | |
298 | ||
299 | c = machine_class_from_string(class); | |
300 | if (c >= 0) | |
301 | m->class = c; | |
302 | } | |
303 | ||
304 | if (realtime) { | |
305 | unsigned long long l; | |
306 | if (sscanf(realtime, "%llu", &l) > 0) | |
307 | m->timestamp.realtime = l; | |
308 | } | |
309 | ||
310 | if (monotonic) { | |
311 | unsigned long long l; | |
312 | if (sscanf(monotonic, "%llu", &l) > 0) | |
313 | m->timestamp.monotonic = l; | |
314 | } | |
315 | ||
9b5ed6fe | 316 | if (netif) { |
75a8fd6a SS |
317 | size_t allocated = 0, nr = 0; |
318 | const char *p; | |
9b5ed6fe LP |
319 | int *ni = NULL; |
320 | ||
75a8fd6a SS |
321 | p = netif; |
322 | for(;;) { | |
323 | _cleanup_free_ char *word = NULL; | |
9b5ed6fe LP |
324 | int ifi; |
325 | ||
75a8fd6a | 326 | r = extract_first_word(&p, &word, NULL, 0); |
75a8fd6a SS |
327 | if (r == 0) |
328 | break; | |
6a37c684 | 329 | if (r == -ENOMEM) |
52278ad3 | 330 | return log_oom(); |
6a37c684 | 331 | if (r < 0) { |
52278ad3 | 332 | log_warning_errno(r, "Failed to parse NETIF: %s", netif); |
6a37c684 | 333 | break; |
52278ad3 | 334 | } |
75a8fd6a | 335 | |
6ad623a3 | 336 | if (parse_ifindex(word, &ifi) < 0) |
9b5ed6fe LP |
337 | continue; |
338 | ||
339 | if (!GREEDY_REALLOC(ni, allocated, nr+1)) { | |
340 | free(ni); | |
341 | return log_oom(); | |
342 | } | |
343 | ||
344 | ni[nr++] = ifi; | |
345 | } | |
346 | ||
347 | free(m->netif); | |
348 | m->netif = ni; | |
349 | m->n_netif = nr; | |
350 | } | |
351 | ||
9444b1f2 LP |
352 | return r; |
353 | } | |
354 | ||
c3350683 | 355 | static int machine_start_scope(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
2c4c73b3 | 356 | int r = 0; |
9444b1f2 LP |
357 | |
358 | assert(m); | |
fbe55073 | 359 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 360 | |
89f7c846 | 361 | if (!m->unit) { |
d0af76e6 | 362 | _cleanup_free_ char *escaped = NULL; |
39883f62 | 363 | char *scope, *description, *job = NULL; |
9444b1f2 | 364 | |
fb6becb4 | 365 | escaped = unit_name_escape(m->name); |
9444b1f2 LP |
366 | if (!escaped) |
367 | return log_oom(); | |
368 | ||
d0af76e6 | 369 | scope = strjoin("machine-", escaped, ".scope", NULL); |
f526ab7e | 370 | if (!scope) |
9444b1f2 | 371 | return log_oom(); |
9444b1f2 | 372 | |
63c372cb | 373 | description = strjoina(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name); |
9444b1f2 | 374 | |
c3350683 | 375 | r = manager_start_scope(m->manager, scope, m->leader, SPECIAL_MACHINE_SLICE, description, properties, error, &job); |
d0af76e6 | 376 | if (r < 0) { |
c3350683 | 377 | log_error("Failed to start machine scope: %s", bus_error_message(error, r)); |
d0af76e6 | 378 | free(scope); |
f2d4f98d | 379 | return r; |
d0af76e6 | 380 | } else { |
89f7c846 | 381 | m->unit = scope; |
d0af76e6 LP |
382 | |
383 | free(m->scope_job); | |
384 | m->scope_job = job; | |
385 | } | |
9444b1f2 LP |
386 | } |
387 | ||
89f7c846 LP |
388 | if (m->unit) |
389 | hashmap_put(m->manager->machine_units, m->unit, m); | |
d0af76e6 | 390 | |
fb6becb4 | 391 | return r; |
9444b1f2 LP |
392 | } |
393 | ||
c3350683 | 394 | int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
9444b1f2 LP |
395 | int r; |
396 | ||
397 | assert(m); | |
398 | ||
fbe55073 LP |
399 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
400 | return -EOPNOTSUPP; | |
401 | ||
9444b1f2 LP |
402 | if (m->started) |
403 | return 0; | |
404 | ||
4a0b58c4 | 405 | r = hashmap_put(m->manager->machine_leaders, PID_TO_PTR(m->leader), m); |
d3e84ddb LP |
406 | if (r < 0) |
407 | return r; | |
408 | ||
fb6becb4 | 409 | /* Create cgroup */ |
c3350683 | 410 | r = machine_start_scope(m, properties, error); |
fb6becb4 LP |
411 | if (r < 0) |
412 | return r; | |
413 | ||
9444b1f2 | 414 | log_struct(LOG_INFO, |
e2cc6eca | 415 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_START), |
9444b1f2 | 416 | "NAME=%s", m->name, |
de0671ee | 417 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 418 | LOG_MESSAGE("New machine %s.", m->name), |
9444b1f2 LP |
419 | NULL); |
420 | ||
9444b1f2 LP |
421 | if (!dual_timestamp_is_set(&m->timestamp)) |
422 | dual_timestamp_get(&m->timestamp); | |
423 | ||
424 | m->started = true; | |
425 | ||
426 | /* Save new machine data */ | |
427 | machine_save(m); | |
428 | ||
429 | machine_send_signal(m, true); | |
430 | ||
431 | return 0; | |
432 | } | |
433 | ||
fb6becb4 | 434 | static int machine_stop_scope(Machine *m) { |
c3350683 | 435 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
39883f62 | 436 | char *job = NULL; |
9444b1f2 | 437 | int r; |
9444b1f2 LP |
438 | |
439 | assert(m); | |
fbe55073 | 440 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 441 | |
89f7c846 | 442 | if (!m->unit) |
fb6becb4 | 443 | return 0; |
9444b1f2 | 444 | |
c00a4c8f LP |
445 | r = manager_stop_unit(m->manager, m->unit, &error, &job); |
446 | if (r < 0) { | |
447 | log_error("Failed to stop machine scope: %s", bus_error_message(&error, r)); | |
448 | return r; | |
fb6becb4 | 449 | } |
9444b1f2 | 450 | |
fb6becb4 LP |
451 | free(m->scope_job); |
452 | m->scope_job = job; | |
9444b1f2 | 453 | |
f14aa1f1 | 454 | return 0; |
9444b1f2 LP |
455 | } |
456 | ||
457 | int machine_stop(Machine *m) { | |
49f3fffd LP |
458 | int r; |
459 | assert(m); | |
460 | ||
fbe55073 LP |
461 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
462 | return -EOPNOTSUPP; | |
463 | ||
49f3fffd LP |
464 | r = machine_stop_scope(m); |
465 | ||
466 | m->stopping = true; | |
467 | ||
468 | machine_save(m); | |
469 | ||
470 | return r; | |
471 | } | |
472 | ||
473 | int machine_finalize(Machine *m) { | |
9444b1f2 LP |
474 | assert(m); |
475 | ||
476 | if (m->started) | |
477 | log_struct(LOG_INFO, | |
e2cc6eca | 478 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_STOP), |
9444b1f2 | 479 | "NAME=%s", m->name, |
de0671ee | 480 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 481 | LOG_MESSAGE("Machine %s terminated.", m->name), |
9444b1f2 LP |
482 | NULL); |
483 | ||
89f7c846 | 484 | machine_unlink(m); |
9444b1f2 LP |
485 | machine_add_to_gc_queue(m); |
486 | ||
49f3fffd | 487 | if (m->started) { |
9444b1f2 | 488 | machine_send_signal(m, false); |
49f3fffd LP |
489 | m->started = false; |
490 | } | |
9444b1f2 | 491 | |
49f3fffd | 492 | return 0; |
9444b1f2 LP |
493 | } |
494 | ||
a658cafa | 495 | bool machine_check_gc(Machine *m, bool drop_not_started) { |
9444b1f2 LP |
496 | assert(m); |
497 | ||
fbe55073 LP |
498 | if (m->class == MACHINE_HOST) |
499 | return true; | |
500 | ||
9444b1f2 | 501 | if (drop_not_started && !m->started) |
c3350683 | 502 | return false; |
9444b1f2 | 503 | |
c3350683 LP |
504 | if (m->scope_job && manager_job_is_active(m->manager, m->scope_job)) |
505 | return true; | |
9444b1f2 | 506 | |
89f7c846 | 507 | if (m->unit && manager_unit_is_active(m->manager, m->unit)) |
c3350683 | 508 | return true; |
9444b1f2 | 509 | |
c3350683 | 510 | return false; |
9444b1f2 LP |
511 | } |
512 | ||
513 | void machine_add_to_gc_queue(Machine *m) { | |
514 | assert(m); | |
515 | ||
516 | if (m->in_gc_queue) | |
517 | return; | |
518 | ||
71fda00f | 519 | LIST_PREPEND(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 LP |
520 | m->in_gc_queue = true; |
521 | } | |
522 | ||
fb6becb4 LP |
523 | MachineState machine_get_state(Machine *s) { |
524 | assert(s); | |
9444b1f2 | 525 | |
fbe55073 LP |
526 | if (s->class == MACHINE_HOST) |
527 | return MACHINE_RUNNING; | |
528 | ||
49f3fffd LP |
529 | if (s->stopping) |
530 | return MACHINE_CLOSING; | |
531 | ||
fb6becb4 | 532 | if (s->scope_job) |
49f3fffd | 533 | return MACHINE_OPENING; |
9444b1f2 | 534 | |
fb6becb4 LP |
535 | return MACHINE_RUNNING; |
536 | } | |
9444b1f2 | 537 | |
fb6becb4 LP |
538 | int machine_kill(Machine *m, KillWho who, int signo) { |
539 | assert(m); | |
9444b1f2 | 540 | |
fbe55073 LP |
541 | if (!IN_SET(m->class, MACHINE_VM, MACHINE_CONTAINER)) |
542 | return -EOPNOTSUPP; | |
543 | ||
89f7c846 | 544 | if (!m->unit) |
fb6becb4 | 545 | return -ESRCH; |
9444b1f2 | 546 | |
de58a50e LP |
547 | if (who == KILL_LEADER) { |
548 | /* If we shall simply kill the leader, do so directly */ | |
549 | ||
550 | if (kill(m->leader, signo) < 0) | |
551 | return -errno; | |
9d685ca8 ED |
552 | |
553 | return 0; | |
de58a50e LP |
554 | } |
555 | ||
b938cb90 | 556 | /* Otherwise, make PID 1 do it for us, for the entire cgroup */ |
de58a50e | 557 | return manager_kill_unit(m->manager, m->unit, signo, NULL); |
9444b1f2 LP |
558 | } |
559 | ||
fbe55073 LP |
560 | int machine_openpt(Machine *m, int flags) { |
561 | assert(m); | |
562 | ||
563 | switch (m->class) { | |
564 | ||
5f430ff7 LP |
565 | case MACHINE_HOST: { |
566 | int fd; | |
567 | ||
568 | fd = posix_openpt(flags); | |
569 | if (fd < 0) | |
570 | return -errno; | |
571 | ||
572 | if (unlockpt(fd) < 0) | |
573 | return -errno; | |
574 | ||
575 | return fd; | |
576 | } | |
fbe55073 LP |
577 | |
578 | case MACHINE_CONTAINER: | |
579 | if (m->leader <= 0) | |
580 | return -EINVAL; | |
581 | ||
582 | return openpt_in_namespace(m->leader, flags); | |
583 | ||
584 | default: | |
585 | return -EOPNOTSUPP; | |
586 | } | |
587 | } | |
588 | ||
40e1f4ea LP |
589 | int machine_open_terminal(Machine *m, const char *path, int mode) { |
590 | assert(m); | |
591 | ||
592 | switch (m->class) { | |
593 | ||
594 | case MACHINE_HOST: | |
595 | return open_terminal(path, mode); | |
596 | ||
597 | case MACHINE_CONTAINER: | |
598 | if (m->leader <= 0) | |
599 | return -EINVAL; | |
600 | ||
601 | return open_terminal_in_namespace(m->leader, path, mode); | |
602 | ||
603 | default: | |
604 | return -EOPNOTSUPP; | |
605 | } | |
606 | } | |
607 | ||
0370612e LP |
608 | MachineOperation *machine_operation_unref(MachineOperation *o) { |
609 | if (!o) | |
610 | return NULL; | |
611 | ||
612 | sd_event_source_unref(o->event_source); | |
613 | ||
614 | safe_close(o->errno_fd); | |
615 | ||
616 | if (o->pid > 1) | |
617 | (void) kill(o->pid, SIGKILL); | |
618 | ||
619 | sd_bus_message_unref(o->message); | |
620 | ||
621 | if (o->machine) { | |
622 | LIST_REMOVE(operations, o->machine->operations, o); | |
623 | o->machine->n_operations--; | |
624 | } | |
625 | ||
626 | free(o); | |
627 | return NULL; | |
628 | } | |
629 | ||
9b420b3c LP |
630 | void machine_release_unit(Machine *m) { |
631 | assert(m); | |
632 | ||
633 | if (!m->unit) | |
634 | return; | |
635 | ||
636 | (void) hashmap_remove(m->manager->machine_units, m->unit); | |
a1e58e8e | 637 | m->unit = mfree(m->unit); |
9b420b3c LP |
638 | } |
639 | ||
9444b1f2 LP |
640 | static const char* const machine_class_table[_MACHINE_CLASS_MAX] = { |
641 | [MACHINE_CONTAINER] = "container", | |
fbe55073 LP |
642 | [MACHINE_VM] = "vm", |
643 | [MACHINE_HOST] = "host", | |
9444b1f2 LP |
644 | }; |
645 | ||
646 | DEFINE_STRING_TABLE_LOOKUP(machine_class, MachineClass); | |
fb6becb4 LP |
647 | |
648 | static const char* const machine_state_table[_MACHINE_STATE_MAX] = { | |
649 | [MACHINE_OPENING] = "opening", | |
650 | [MACHINE_RUNNING] = "running", | |
651 | [MACHINE_CLOSING] = "closing" | |
652 | }; | |
653 | ||
654 | DEFINE_STRING_TABLE_LOOKUP(machine_state, MachineState); | |
1ee306e1 LP |
655 | |
656 | static const char* const kill_who_table[_KILL_WHO_MAX] = { | |
657 | [KILL_LEADER] = "leader", | |
658 | [KILL_ALL] = "all" | |
659 | }; | |
660 | ||
661 | DEFINE_STRING_TABLE_LOOKUP(kill_who, KillWho); |