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Commit | Line | Data |
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9444b1f2 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2011 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
66cb2fde | 20 | #include <errno.h> |
9444b1f2 LP |
21 | #include <string.h> |
22 | #include <unistd.h> | |
9444b1f2 | 23 | |
c3350683 | 24 | #include "sd-messages.h" |
fb6becb4 | 25 | |
b5efdb8a | 26 | #include "alloc-util.h" |
66cb2fde LP |
27 | #include "bus-error.h" |
28 | #include "bus-util.h" | |
4f5dd394 | 29 | #include "escape.h" |
cf0fbc49 | 30 | #include "extract-word.h" |
3ffd4af2 | 31 | #include "fd-util.h" |
9444b1f2 | 32 | #include "fileio.h" |
f97b34a6 | 33 | #include "format-util.h" |
66cb2fde | 34 | #include "hashmap.h" |
4f5dd394 | 35 | #include "machine-dbus.h" |
3ffd4af2 | 36 | #include "machine.h" |
66cb2fde | 37 | #include "mkdir.h" |
6bedfcbb | 38 | #include "parse-util.h" |
4a0b58c4 | 39 | #include "process-util.h" |
9444b1f2 | 40 | #include "special.h" |
8b43440b | 41 | #include "string-table.h" |
66cb2fde | 42 | #include "terminal-util.h" |
fb6becb4 | 43 | #include "unit-name.h" |
66cb2fde | 44 | #include "util.h" |
9444b1f2 | 45 | |
fbe55073 | 46 | Machine* machine_new(Manager *manager, MachineClass class, const char *name) { |
9444b1f2 LP |
47 | Machine *m; |
48 | ||
49 | assert(manager); | |
fbe55073 | 50 | assert(class < _MACHINE_CLASS_MAX); |
9444b1f2 LP |
51 | assert(name); |
52 | ||
fbe55073 LP |
53 | /* Passing class == _MACHINE_CLASS_INVALID here is fine. It |
54 | * means as much as "we don't know yet", and that we'll figure | |
55 | * it out later when loading the state file. */ | |
56 | ||
9444b1f2 LP |
57 | m = new0(Machine, 1); |
58 | if (!m) | |
59 | return NULL; | |
60 | ||
61 | m->name = strdup(name); | |
62 | if (!m->name) | |
63 | goto fail; | |
64 | ||
fbe55073 LP |
65 | if (class != MACHINE_HOST) { |
66 | m->state_file = strappend("/run/systemd/machines/", m->name); | |
67 | if (!m->state_file) | |
68 | goto fail; | |
69 | } | |
70 | ||
71 | m->class = class; | |
9444b1f2 LP |
72 | |
73 | if (hashmap_put(manager->machines, m->name, m) < 0) | |
74 | goto fail; | |
75 | ||
9444b1f2 LP |
76 | m->manager = manager; |
77 | ||
78 | return m; | |
79 | ||
80 | fail: | |
81 | free(m->state_file); | |
82 | free(m->name); | |
6b430fdb | 83 | return mfree(m); |
9444b1f2 LP |
84 | } |
85 | ||
86 | void machine_free(Machine *m) { | |
87 | assert(m); | |
88 | ||
0370612e | 89 | while (m->operations) |
795c5d31 | 90 | operation_free(m->operations); |
0370612e | 91 | |
9444b1f2 | 92 | if (m->in_gc_queue) |
71fda00f | 93 | LIST_REMOVE(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 | 94 | |
9b420b3c | 95 | machine_release_unit(m); |
9444b1f2 | 96 | |
fb6becb4 LP |
97 | free(m->scope_job); |
98 | ||
9b420b3c | 99 | (void) hashmap_remove(m->manager->machines, m->name); |
9444b1f2 | 100 | |
fbe55073 LP |
101 | if (m->manager->host_machine == m) |
102 | m->manager->host_machine = NULL; | |
103 | ||
d3e84ddb | 104 | if (m->leader > 0) |
4a0b58c4 | 105 | (void) hashmap_remove_value(m->manager->machine_leaders, PID_TO_PTR(m->leader), m); |
d3e84ddb | 106 | |
c3350683 | 107 | sd_bus_message_unref(m->create_message); |
fb6becb4 | 108 | |
9444b1f2 LP |
109 | free(m->name); |
110 | free(m->state_file); | |
111 | free(m->service); | |
9444b1f2 | 112 | free(m->root_directory); |
9b5ed6fe | 113 | free(m->netif); |
9444b1f2 LP |
114 | free(m); |
115 | } | |
116 | ||
117 | int machine_save(Machine *m) { | |
118 | _cleanup_free_ char *temp_path = NULL; | |
119 | _cleanup_fclose_ FILE *f = NULL; | |
120 | int r; | |
121 | ||
122 | assert(m); | |
fbe55073 LP |
123 | |
124 | if (!m->state_file) | |
125 | return 0; | |
9444b1f2 LP |
126 | |
127 | if (!m->started) | |
128 | return 0; | |
129 | ||
130 | r = mkdir_safe_label("/run/systemd/machines", 0755, 0, 0); | |
131 | if (r < 0) | |
dacd6cee | 132 | goto fail; |
9444b1f2 LP |
133 | |
134 | r = fopen_temporary(m->state_file, &f, &temp_path); | |
135 | if (r < 0) | |
dacd6cee | 136 | goto fail; |
9444b1f2 | 137 | |
dacd6cee | 138 | (void) fchmod(fileno(f), 0644); |
9444b1f2 LP |
139 | |
140 | fprintf(f, | |
141 | "# This is private data. Do not parse.\n" | |
142 | "NAME=%s\n", | |
143 | m->name); | |
144 | ||
ca5405bb LP |
145 | if (m->unit) { |
146 | _cleanup_free_ char *escaped; | |
147 | ||
148 | escaped = cescape(m->unit); | |
149 | if (!escaped) { | |
150 | r = -ENOMEM; | |
dacd6cee | 151 | goto fail; |
ca5405bb LP |
152 | } |
153 | ||
154 | 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 */ | |
155 | } | |
fb6becb4 LP |
156 | |
157 | if (m->scope_job) | |
158 | fprintf(f, "SCOPE_JOB=%s\n", m->scope_job); | |
9444b1f2 | 159 | |
ca5405bb LP |
160 | if (m->service) { |
161 | _cleanup_free_ char *escaped; | |
9444b1f2 | 162 | |
ca5405bb LP |
163 | escaped = cescape(m->service); |
164 | if (!escaped) { | |
165 | r = -ENOMEM; | |
dacd6cee | 166 | goto fail; |
ca5405bb LP |
167 | } |
168 | fprintf(f, "SERVICE=%s\n", escaped); | |
169 | } | |
170 | ||
171 | if (m->root_directory) { | |
172 | _cleanup_free_ char *escaped; | |
173 | ||
174 | escaped = cescape(m->root_directory); | |
175 | if (!escaped) { | |
176 | r = -ENOMEM; | |
dacd6cee | 177 | goto fail; |
ca5405bb LP |
178 | } |
179 | fprintf(f, "ROOT=%s\n", escaped); | |
180 | } | |
9444b1f2 | 181 | |
3bbaff3e | 182 | if (!sd_id128_is_null(m->id)) |
9444b1f2 LP |
183 | fprintf(f, "ID=" SD_ID128_FORMAT_STR "\n", SD_ID128_FORMAT_VAL(m->id)); |
184 | ||
185 | if (m->leader != 0) | |
90b2de37 | 186 | fprintf(f, "LEADER="PID_FMT"\n", m->leader); |
9444b1f2 LP |
187 | |
188 | if (m->class != _MACHINE_CLASS_INVALID) | |
189 | fprintf(f, "CLASS=%s\n", machine_class_to_string(m->class)); | |
190 | ||
191 | if (dual_timestamp_is_set(&m->timestamp)) | |
192 | fprintf(f, | |
90b2de37 ZJS |
193 | "REALTIME="USEC_FMT"\n" |
194 | "MONOTONIC="USEC_FMT"\n", | |
195 | m->timestamp.realtime, | |
196 | m->timestamp.monotonic); | |
9444b1f2 | 197 | |
9b5ed6fe LP |
198 | if (m->n_netif > 0) { |
199 | unsigned i; | |
200 | ||
201 | fputs("NETIF=", f); | |
202 | ||
203 | for (i = 0; i < m->n_netif; i++) { | |
204 | if (i != 0) | |
205 | fputc(' ', f); | |
206 | ||
207 | fprintf(f, "%i", m->netif[i]); | |
208 | } | |
209 | ||
210 | fputc('\n', f); | |
211 | } | |
212 | ||
034753ac LP |
213 | r = fflush_and_check(f); |
214 | if (r < 0) | |
dacd6cee | 215 | goto fail; |
9444b1f2 | 216 | |
034753ac | 217 | if (rename(temp_path, m->state_file) < 0) { |
9444b1f2 | 218 | r = -errno; |
dacd6cee | 219 | goto fail; |
9444b1f2 LP |
220 | } |
221 | ||
89f7c846 LP |
222 | if (m->unit) { |
223 | char *sl; | |
224 | ||
225 | /* Create a symlink from the unit name to the machine | |
226 | * name, so that we can quickly find the machine for | |
e62d9b81 | 227 | * each given unit. Ignore error. */ |
63c372cb | 228 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
e62d9b81 | 229 | (void) symlink(m->name, sl); |
89f7c846 LP |
230 | } |
231 | ||
dacd6cee | 232 | return 0; |
034753ac | 233 | |
dacd6cee LP |
234 | fail: |
235 | (void) unlink(m->state_file); | |
236 | ||
237 | if (temp_path) | |
238 | (void) unlink(temp_path); | |
9444b1f2 | 239 | |
dacd6cee | 240 | return log_error_errno(r, "Failed to save machine data %s: %m", m->state_file); |
9444b1f2 LP |
241 | } |
242 | ||
89f7c846 LP |
243 | static void machine_unlink(Machine *m) { |
244 | assert(m); | |
245 | ||
246 | if (m->unit) { | |
247 | ||
248 | char *sl; | |
249 | ||
63c372cb | 250 | sl = strjoina("/run/systemd/machines/unit:", m->unit); |
491ac9f2 | 251 | (void) unlink(sl); |
89f7c846 LP |
252 | } |
253 | ||
254 | if (m->state_file) | |
491ac9f2 | 255 | (void) unlink(m->state_file); |
89f7c846 LP |
256 | } |
257 | ||
9444b1f2 | 258 | int machine_load(Machine *m) { |
9b5ed6fe | 259 | _cleanup_free_ char *realtime = NULL, *monotonic = NULL, *id = NULL, *leader = NULL, *class = NULL, *netif = NULL; |
9444b1f2 LP |
260 | int r; |
261 | ||
262 | assert(m); | |
263 | ||
fbe55073 LP |
264 | if (!m->state_file) |
265 | return 0; | |
266 | ||
9444b1f2 | 267 | r = parse_env_file(m->state_file, NEWLINE, |
89f7c846 | 268 | "SCOPE", &m->unit, |
fb6becb4 | 269 | "SCOPE_JOB", &m->scope_job, |
9444b1f2 | 270 | "SERVICE", &m->service, |
9444b1f2 LP |
271 | "ROOT", &m->root_directory, |
272 | "ID", &id, | |
273 | "LEADER", &leader, | |
274 | "CLASS", &class, | |
275 | "REALTIME", &realtime, | |
276 | "MONOTONIC", &monotonic, | |
9b5ed6fe | 277 | "NETIF", &netif, |
9444b1f2 LP |
278 | NULL); |
279 | if (r < 0) { | |
280 | if (r == -ENOENT) | |
281 | return 0; | |
282 | ||
8d3d7072 | 283 | return log_error_errno(r, "Failed to read %s: %m", m->state_file); |
9444b1f2 LP |
284 | } |
285 | ||
286 | if (id) | |
287 | sd_id128_from_string(id, &m->id); | |
288 | ||
289 | if (leader) | |
290 | parse_pid(leader, &m->leader); | |
291 | ||
292 | if (class) { | |
293 | MachineClass c; | |
294 | ||
295 | c = machine_class_from_string(class); | |
296 | if (c >= 0) | |
297 | m->class = c; | |
298 | } | |
299 | ||
b895a735 BR |
300 | if (realtime) |
301 | timestamp_deserialize(realtime, &m->timestamp.realtime); | |
302 | if (monotonic) | |
303 | timestamp_deserialize(monotonic, &m->timestamp.monotonic); | |
9444b1f2 | 304 | |
9b5ed6fe | 305 | if (netif) { |
75a8fd6a SS |
306 | size_t allocated = 0, nr = 0; |
307 | const char *p; | |
9b5ed6fe LP |
308 | int *ni = NULL; |
309 | ||
75a8fd6a | 310 | p = netif; |
9ed794a3 | 311 | for (;;) { |
75a8fd6a | 312 | _cleanup_free_ char *word = NULL; |
9b5ed6fe LP |
313 | int ifi; |
314 | ||
75a8fd6a | 315 | r = extract_first_word(&p, &word, NULL, 0); |
75a8fd6a SS |
316 | if (r == 0) |
317 | break; | |
6a37c684 | 318 | if (r == -ENOMEM) |
52278ad3 | 319 | return log_oom(); |
6a37c684 | 320 | if (r < 0) { |
52278ad3 | 321 | log_warning_errno(r, "Failed to parse NETIF: %s", netif); |
6a37c684 | 322 | break; |
52278ad3 | 323 | } |
75a8fd6a | 324 | |
6ad623a3 | 325 | if (parse_ifindex(word, &ifi) < 0) |
9b5ed6fe LP |
326 | continue; |
327 | ||
328 | if (!GREEDY_REALLOC(ni, allocated, nr+1)) { | |
329 | free(ni); | |
330 | return log_oom(); | |
331 | } | |
332 | ||
333 | ni[nr++] = ifi; | |
334 | } | |
335 | ||
336 | free(m->netif); | |
337 | m->netif = ni; | |
338 | m->n_netif = nr; | |
339 | } | |
340 | ||
9444b1f2 LP |
341 | return r; |
342 | } | |
343 | ||
c3350683 | 344 | static int machine_start_scope(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
2c4c73b3 | 345 | int r = 0; |
9444b1f2 LP |
346 | |
347 | assert(m); | |
fbe55073 | 348 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 349 | |
89f7c846 | 350 | if (!m->unit) { |
d0af76e6 | 351 | _cleanup_free_ char *escaped = NULL; |
39883f62 | 352 | char *scope, *description, *job = NULL; |
9444b1f2 | 353 | |
fb6becb4 | 354 | escaped = unit_name_escape(m->name); |
9444b1f2 LP |
355 | if (!escaped) |
356 | return log_oom(); | |
357 | ||
605405c6 | 358 | scope = strjoin("machine-", escaped, ".scope"); |
f526ab7e | 359 | if (!scope) |
9444b1f2 | 360 | return log_oom(); |
9444b1f2 | 361 | |
63c372cb | 362 | description = strjoina(m->class == MACHINE_VM ? "Virtual Machine " : "Container ", m->name); |
9444b1f2 | 363 | |
c3350683 | 364 | r = manager_start_scope(m->manager, scope, m->leader, SPECIAL_MACHINE_SLICE, description, properties, error, &job); |
d0af76e6 | 365 | if (r < 0) { |
c3350683 | 366 | log_error("Failed to start machine scope: %s", bus_error_message(error, r)); |
d0af76e6 | 367 | free(scope); |
f2d4f98d | 368 | return r; |
d0af76e6 | 369 | } else { |
89f7c846 | 370 | m->unit = scope; |
d0af76e6 LP |
371 | |
372 | free(m->scope_job); | |
373 | m->scope_job = job; | |
374 | } | |
9444b1f2 LP |
375 | } |
376 | ||
89f7c846 LP |
377 | if (m->unit) |
378 | hashmap_put(m->manager->machine_units, m->unit, m); | |
d0af76e6 | 379 | |
fb6becb4 | 380 | return r; |
9444b1f2 LP |
381 | } |
382 | ||
c3350683 | 383 | int machine_start(Machine *m, sd_bus_message *properties, sd_bus_error *error) { |
9444b1f2 LP |
384 | int r; |
385 | ||
386 | assert(m); | |
387 | ||
fbe55073 LP |
388 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
389 | return -EOPNOTSUPP; | |
390 | ||
9444b1f2 LP |
391 | if (m->started) |
392 | return 0; | |
393 | ||
4a0b58c4 | 394 | r = hashmap_put(m->manager->machine_leaders, PID_TO_PTR(m->leader), m); |
d3e84ddb LP |
395 | if (r < 0) |
396 | return r; | |
397 | ||
fb6becb4 | 398 | /* Create cgroup */ |
c3350683 | 399 | r = machine_start_scope(m, properties, error); |
fb6becb4 LP |
400 | if (r < 0) |
401 | return r; | |
402 | ||
9444b1f2 | 403 | log_struct(LOG_INFO, |
e2cc6eca | 404 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_START), |
9444b1f2 | 405 | "NAME=%s", m->name, |
de0671ee | 406 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 407 | LOG_MESSAGE("New machine %s.", m->name), |
9444b1f2 LP |
408 | NULL); |
409 | ||
9444b1f2 LP |
410 | if (!dual_timestamp_is_set(&m->timestamp)) |
411 | dual_timestamp_get(&m->timestamp); | |
412 | ||
413 | m->started = true; | |
414 | ||
415 | /* Save new machine data */ | |
416 | machine_save(m); | |
417 | ||
418 | machine_send_signal(m, true); | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
fb6becb4 | 423 | static int machine_stop_scope(Machine *m) { |
4afd3348 | 424 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
39883f62 | 425 | char *job = NULL; |
9444b1f2 | 426 | int r; |
9444b1f2 LP |
427 | |
428 | assert(m); | |
fbe55073 | 429 | assert(m->class != MACHINE_HOST); |
9444b1f2 | 430 | |
89f7c846 | 431 | if (!m->unit) |
fb6becb4 | 432 | return 0; |
9444b1f2 | 433 | |
c00a4c8f LP |
434 | r = manager_stop_unit(m->manager, m->unit, &error, &job); |
435 | if (r < 0) { | |
436 | log_error("Failed to stop machine scope: %s", bus_error_message(&error, r)); | |
437 | return r; | |
fb6becb4 | 438 | } |
9444b1f2 | 439 | |
fb6becb4 LP |
440 | free(m->scope_job); |
441 | m->scope_job = job; | |
9444b1f2 | 442 | |
f14aa1f1 | 443 | return 0; |
9444b1f2 LP |
444 | } |
445 | ||
446 | int machine_stop(Machine *m) { | |
49f3fffd LP |
447 | int r; |
448 | assert(m); | |
449 | ||
fbe55073 LP |
450 | if (!IN_SET(m->class, MACHINE_CONTAINER, MACHINE_VM)) |
451 | return -EOPNOTSUPP; | |
452 | ||
49f3fffd LP |
453 | r = machine_stop_scope(m); |
454 | ||
455 | m->stopping = true; | |
456 | ||
457 | machine_save(m); | |
458 | ||
459 | return r; | |
460 | } | |
461 | ||
462 | int machine_finalize(Machine *m) { | |
9444b1f2 LP |
463 | assert(m); |
464 | ||
465 | if (m->started) | |
466 | log_struct(LOG_INFO, | |
e2cc6eca | 467 | LOG_MESSAGE_ID(SD_MESSAGE_MACHINE_STOP), |
9444b1f2 | 468 | "NAME=%s", m->name, |
de0671ee | 469 | "LEADER="PID_FMT, m->leader, |
e2cc6eca | 470 | LOG_MESSAGE("Machine %s terminated.", m->name), |
9444b1f2 LP |
471 | NULL); |
472 | ||
89f7c846 | 473 | machine_unlink(m); |
9444b1f2 LP |
474 | machine_add_to_gc_queue(m); |
475 | ||
49f3fffd | 476 | if (m->started) { |
9444b1f2 | 477 | machine_send_signal(m, false); |
49f3fffd LP |
478 | m->started = false; |
479 | } | |
9444b1f2 | 480 | |
49f3fffd | 481 | return 0; |
9444b1f2 LP |
482 | } |
483 | ||
a658cafa | 484 | bool machine_check_gc(Machine *m, bool drop_not_started) { |
9444b1f2 LP |
485 | assert(m); |
486 | ||
fbe55073 LP |
487 | if (m->class == MACHINE_HOST) |
488 | return true; | |
489 | ||
9444b1f2 | 490 | if (drop_not_started && !m->started) |
c3350683 | 491 | return false; |
9444b1f2 | 492 | |
c3350683 LP |
493 | if (m->scope_job && manager_job_is_active(m->manager, m->scope_job)) |
494 | return true; | |
9444b1f2 | 495 | |
89f7c846 | 496 | if (m->unit && manager_unit_is_active(m->manager, m->unit)) |
c3350683 | 497 | return true; |
9444b1f2 | 498 | |
c3350683 | 499 | return false; |
9444b1f2 LP |
500 | } |
501 | ||
502 | void machine_add_to_gc_queue(Machine *m) { | |
503 | assert(m); | |
504 | ||
505 | if (m->in_gc_queue) | |
506 | return; | |
507 | ||
71fda00f | 508 | LIST_PREPEND(gc_queue, m->manager->machine_gc_queue, m); |
9444b1f2 LP |
509 | m->in_gc_queue = true; |
510 | } | |
511 | ||
fb6becb4 LP |
512 | MachineState machine_get_state(Machine *s) { |
513 | assert(s); | |
9444b1f2 | 514 | |
fbe55073 LP |
515 | if (s->class == MACHINE_HOST) |
516 | return MACHINE_RUNNING; | |
517 | ||
49f3fffd LP |
518 | if (s->stopping) |
519 | return MACHINE_CLOSING; | |
520 | ||
fb6becb4 | 521 | if (s->scope_job) |
49f3fffd | 522 | return MACHINE_OPENING; |
9444b1f2 | 523 | |
fb6becb4 LP |
524 | return MACHINE_RUNNING; |
525 | } | |
9444b1f2 | 526 | |
fb6becb4 LP |
527 | int machine_kill(Machine *m, KillWho who, int signo) { |
528 | assert(m); | |
9444b1f2 | 529 | |
fbe55073 LP |
530 | if (!IN_SET(m->class, MACHINE_VM, MACHINE_CONTAINER)) |
531 | return -EOPNOTSUPP; | |
532 | ||
89f7c846 | 533 | if (!m->unit) |
fb6becb4 | 534 | return -ESRCH; |
9444b1f2 | 535 | |
de58a50e LP |
536 | if (who == KILL_LEADER) { |
537 | /* If we shall simply kill the leader, do so directly */ | |
538 | ||
539 | if (kill(m->leader, signo) < 0) | |
540 | return -errno; | |
9d685ca8 ED |
541 | |
542 | return 0; | |
de58a50e LP |
543 | } |
544 | ||
b938cb90 | 545 | /* Otherwise, make PID 1 do it for us, for the entire cgroup */ |
de58a50e | 546 | return manager_kill_unit(m->manager, m->unit, signo, NULL); |
9444b1f2 LP |
547 | } |
548 | ||
fbe55073 LP |
549 | int machine_openpt(Machine *m, int flags) { |
550 | assert(m); | |
551 | ||
552 | switch (m->class) { | |
553 | ||
5f430ff7 LP |
554 | case MACHINE_HOST: { |
555 | int fd; | |
556 | ||
557 | fd = posix_openpt(flags); | |
558 | if (fd < 0) | |
559 | return -errno; | |
560 | ||
561 | if (unlockpt(fd) < 0) | |
562 | return -errno; | |
563 | ||
564 | return fd; | |
565 | } | |
fbe55073 LP |
566 | |
567 | case MACHINE_CONTAINER: | |
568 | if (m->leader <= 0) | |
569 | return -EINVAL; | |
570 | ||
571 | return openpt_in_namespace(m->leader, flags); | |
572 | ||
573 | default: | |
574 | return -EOPNOTSUPP; | |
575 | } | |
576 | } | |
577 | ||
40e1f4ea LP |
578 | int machine_open_terminal(Machine *m, const char *path, int mode) { |
579 | assert(m); | |
580 | ||
581 | switch (m->class) { | |
582 | ||
583 | case MACHINE_HOST: | |
584 | return open_terminal(path, mode); | |
585 | ||
586 | case MACHINE_CONTAINER: | |
587 | if (m->leader <= 0) | |
588 | return -EINVAL; | |
589 | ||
590 | return open_terminal_in_namespace(m->leader, path, mode); | |
591 | ||
592 | default: | |
593 | return -EOPNOTSUPP; | |
594 | } | |
595 | } | |
596 | ||
9b420b3c LP |
597 | void machine_release_unit(Machine *m) { |
598 | assert(m); | |
599 | ||
600 | if (!m->unit) | |
601 | return; | |
602 | ||
603 | (void) hashmap_remove(m->manager->machine_units, m->unit); | |
a1e58e8e | 604 | m->unit = mfree(m->unit); |
9b420b3c LP |
605 | } |
606 | ||
9444b1f2 LP |
607 | static const char* const machine_class_table[_MACHINE_CLASS_MAX] = { |
608 | [MACHINE_CONTAINER] = "container", | |
fbe55073 LP |
609 | [MACHINE_VM] = "vm", |
610 | [MACHINE_HOST] = "host", | |
9444b1f2 LP |
611 | }; |
612 | ||
613 | DEFINE_STRING_TABLE_LOOKUP(machine_class, MachineClass); | |
fb6becb4 LP |
614 | |
615 | static const char* const machine_state_table[_MACHINE_STATE_MAX] = { | |
616 | [MACHINE_OPENING] = "opening", | |
617 | [MACHINE_RUNNING] = "running", | |
618 | [MACHINE_CLOSING] = "closing" | |
619 | }; | |
620 | ||
621 | DEFINE_STRING_TABLE_LOOKUP(machine_state, MachineState); | |
1ee306e1 LP |
622 | |
623 | static const char* const kill_who_table[_KILL_WHO_MAX] = { | |
624 | [KILL_LEADER] = "leader", | |
625 | [KILL_ALL] = "all" | |
626 | }; | |
627 | ||
628 | DEFINE_STRING_TABLE_LOOKUP(kill_who, KillWho); |