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CommitLineData
663996b3
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1/***
2 This file is part of systemd.
3
4 Copyright 2010 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
6300502b 20#include <dirent.h>
663996b3 21#include <errno.h>
6300502b
MP
22#include <fcntl.h>
23#include <linux/kd.h>
663996b3 24#include <signal.h>
6300502b 25#include <string.h>
5eef597e 26#include <sys/epoll.h>
6300502b 27#include <sys/inotify.h>
663996b3 28#include <sys/ioctl.h>
6300502b 29#include <sys/reboot.h>
663996b3 30#include <sys/timerfd.h>
6300502b
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31#include <sys/wait.h>
32#include <unistd.h>
663996b3
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33
34#ifdef HAVE_AUDIT
35#include <libaudit.h>
36#endif
37
60f067b4 38#include "sd-daemon.h"
60f067b4 39#include "sd-messages.h"
663996b3 40
db2df898 41#include "alloc-util.h"
6300502b
MP
42#include "audit-fd.h"
43#include "boot-timestamps.h"
44#include "bus-common-errors.h"
45#include "bus-error.h"
46#include "bus-kernel.h"
47#include "bus-util.h"
48#include "dbus-job.h"
49#include "dbus-manager.h"
50#include "dbus-unit.h"
51#include "dbus.h"
52#include "env-util.h"
db2df898 53#include "escape.h"
6300502b 54#include "exit-status.h"
db2df898
MP
55#include "fd-util.h"
56#include "fileio.h"
57#include "fs-util.h"
663996b3 58#include "hashmap.h"
db2df898 59#include "io-util.h"
6300502b 60#include "locale-setup.h"
663996b3 61#include "log.h"
6300502b 62#include "macro.h"
db2df898 63#include "manager.h"
6300502b 64#include "missing.h"
663996b3 65#include "mkdir.h"
db2df898 66#include "parse-util.h"
6300502b
MP
67#include "path-lookup.h"
68#include "path-util.h"
69#include "process-util.h"
663996b3 70#include "ratelimit.h"
e3bff60a 71#include "rm-rf.h"
6300502b 72#include "signal-util.h"
663996b3 73#include "special.h"
db2df898
MP
74#include "stat-util.h"
75#include "string-table.h"
76#include "string-util.h"
6300502b
MP
77#include "strv.h"
78#include "terminal-util.h"
79#include "time-util.h"
80#include "transaction.h"
db2df898 81#include "umask-util.h"
6300502b
MP
82#include "unit-name.h"
83#include "util.h"
663996b3
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84#include "virt.h"
85#include "watchdog.h"
db2df898
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86
87#define NOTIFY_RCVBUF_SIZE (8*1024*1024)
663996b3 88
663996b3 89/* Initial delay and the interval for printing status messages about running jobs */
60f067b4
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90#define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC)
91#define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3)
663996b3
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92#define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3
93
60f067b4
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94static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
95static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
96static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
97static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata);
98static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata);
99static int manager_dispatch_run_queue(sd_event_source *source, void *userdata);
e735f4d4
MP
100static int manager_run_generators(Manager *m);
101static void manager_undo_generators(Manager *m);
663996b3 102
e3bff60a 103static void manager_watch_jobs_in_progress(Manager *m) {
60f067b4 104 usec_t next;
e3bff60a 105 int r;
663996b3 106
60f067b4 107 assert(m);
663996b3 108
60f067b4 109 if (m->jobs_in_progress_event_source)
e3bff60a 110 return;
663996b3 111
60f067b4 112 next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC;
e3bff60a 113 r = sd_event_add_time(
60f067b4
JS
114 m->event,
115 &m->jobs_in_progress_event_source,
116 CLOCK_MONOTONIC,
117 next, 0,
118 manager_dispatch_jobs_in_progress, m);
e3bff60a
MP
119 if (r < 0)
120 return;
121
122 (void) sd_event_source_set_description(m->jobs_in_progress_event_source, "manager-jobs-in-progress");
663996b3
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123}
124
6300502b 125#define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED)-1) + sizeof(ANSI_HIGHLIGHT_RED)-1 + 2*(sizeof(ANSI_NORMAL)-1))
663996b3 126
663996b3
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127static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) {
128 char *p = buffer;
129
130 assert(buflen >= CYLON_BUFFER_EXTRA + width + 1);
131 assert(pos <= width+1); /* 0 or width+1 mean that the center light is behind the corner */
132
133 if (pos > 1) {
134 if (pos > 2)
135 p = mempset(p, ' ', pos-2);
6300502b 136 p = stpcpy(p, ANSI_RED);
663996b3
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137 *p++ = '*';
138 }
139
140 if (pos > 0 && pos <= width) {
6300502b 141 p = stpcpy(p, ANSI_HIGHLIGHT_RED);
663996b3
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142 *p++ = '*';
143 }
144
6300502b 145 p = stpcpy(p, ANSI_NORMAL);
663996b3
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146
147 if (pos < width) {
6300502b 148 p = stpcpy(p, ANSI_RED);
663996b3
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149 *p++ = '*';
150 if (pos < width-1)
151 p = mempset(p, ' ', width-1-pos);
6300502b 152 strcpy(p, ANSI_NORMAL);
60f067b4
JS
153 }
154}
155
156void manager_flip_auto_status(Manager *m, bool enable) {
157 assert(m);
158
159 if (enable) {
160 if (m->show_status == SHOW_STATUS_AUTO)
161 manager_set_show_status(m, SHOW_STATUS_TEMPORARY);
162 } else {
163 if (m->show_status == SHOW_STATUS_TEMPORARY)
164 manager_set_show_status(m, SHOW_STATUS_AUTO);
663996b3
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165 }
166}
167
168static void manager_print_jobs_in_progress(Manager *m) {
60f067b4 169 _cleanup_free_ char *job_of_n = NULL;
663996b3
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170 Iterator i;
171 Job *j;
663996b3
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172 unsigned counter = 0, print_nr;
173 char cylon[6 + CYLON_BUFFER_EXTRA + 1];
174 unsigned cylon_pos;
60f067b4
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175 char time[FORMAT_TIMESPAN_MAX], limit[FORMAT_TIMESPAN_MAX] = "no limit";
176 uint64_t x;
177
178 assert(m);
e735f4d4 179 assert(m->n_running_jobs > 0);
60f067b4
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180
181 manager_flip_auto_status(m, true);
663996b3
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182
183 print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs;
184
185 HASHMAP_FOREACH(j, m->jobs, i)
186 if (j->state == JOB_RUNNING && counter++ == print_nr)
187 break;
188
189 /* m->n_running_jobs must be consistent with the contents of m->jobs,
190 * so the above loop must have succeeded in finding j. */
191 assert(counter == print_nr + 1);
60f067b4 192 assert(j);
663996b3
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193
194 cylon_pos = m->jobs_in_progress_iteration % 14;
195 if (cylon_pos >= 8)
196 cylon_pos = 14 - cylon_pos;
197 draw_cylon(cylon, sizeof(cylon), 6, cylon_pos);
198
60f067b4
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199 m->jobs_in_progress_iteration++;
200
e3bff60a
MP
201 if (m->n_running_jobs > 1) {
202 if (asprintf(&job_of_n, "(%u of %u) ", counter, m->n_running_jobs) < 0)
203 job_of_n = NULL;
204 }
663996b3 205
60f067b4
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206 format_timespan(time, sizeof(time), now(CLOCK_MONOTONIC) - j->begin_usec, 1*USEC_PER_SEC);
207 if (job_get_timeout(j, &x) > 0)
208 format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC);
209
5eef597e 210 manager_status_printf(m, STATUS_TYPE_EPHEMERAL, cylon,
60f067b4
JS
211 "%sA %s job is running for %s (%s / %s)",
212 strempty(job_of_n),
213 job_type_to_string(j->type),
214 unit_description(j->unit),
215 time, limit);
663996b3
MS
216}
217
5eef597e
MP
218static int have_ask_password(void) {
219 _cleanup_closedir_ DIR *dir;
220
221 dir = opendir("/run/systemd/ask-password");
222 if (!dir) {
223 if (errno == ENOENT)
224 return false;
225 else
226 return -errno;
227 }
228
229 for (;;) {
230 struct dirent *de;
231
232 errno = 0;
233 de = readdir(dir);
4c89c718 234 if (!de && errno > 0)
5eef597e
MP
235 return -errno;
236 if (!de)
237 return false;
238
239 if (startswith(de->d_name, "ask."))
240 return true;
241 }
242}
243
244static int manager_dispatch_ask_password_fd(sd_event_source *source,
245 int fd, uint32_t revents, void *userdata) {
246 Manager *m = userdata;
247
248 assert(m);
249
250 flush_fd(fd);
251
252 m->have_ask_password = have_ask_password();
253 if (m->have_ask_password < 0)
254 /* Log error but continue. Negative have_ask_password
255 * is treated as unknown status. */
f47781d8 256 log_error_errno(m->have_ask_password, "Failed to list /run/systemd/ask-password: %m");
5eef597e
MP
257
258 return 0;
259}
260
261static void manager_close_ask_password(Manager *m) {
262 assert(m);
263
5eef597e 264 m->ask_password_event_source = sd_event_source_unref(m->ask_password_event_source);
d9dfd233 265 m->ask_password_inotify_fd = safe_close(m->ask_password_inotify_fd);
5eef597e
MP
266 m->have_ask_password = -EINVAL;
267}
268
269static int manager_check_ask_password(Manager *m) {
270 int r;
271
272 assert(m);
273
274 if (!m->ask_password_event_source) {
275 assert(m->ask_password_inotify_fd < 0);
276
277 mkdir_p_label("/run/systemd/ask-password", 0755);
278
279 m->ask_password_inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
f47781d8
MP
280 if (m->ask_password_inotify_fd < 0)
281 return log_error_errno(errno, "inotify_init1() failed: %m");
5eef597e
MP
282
283 if (inotify_add_watch(m->ask_password_inotify_fd, "/run/systemd/ask-password", IN_CREATE|IN_DELETE|IN_MOVE) < 0) {
f47781d8 284 log_error_errno(errno, "Failed to add watch on /run/systemd/ask-password: %m");
5eef597e
MP
285 manager_close_ask_password(m);
286 return -errno;
287 }
288
289 r = sd_event_add_io(m->event, &m->ask_password_event_source,
290 m->ask_password_inotify_fd, EPOLLIN,
291 manager_dispatch_ask_password_fd, m);
292 if (r < 0) {
f47781d8 293 log_error_errno(errno, "Failed to add event source for /run/systemd/ask-password: %m");
5eef597e
MP
294 manager_close_ask_password(m);
295 return -errno;
296 }
297
e3bff60a
MP
298 (void) sd_event_source_set_description(m->ask_password_event_source, "manager-ask-password");
299
5eef597e
MP
300 /* Queries might have been added meanwhile... */
301 manager_dispatch_ask_password_fd(m->ask_password_event_source,
302 m->ask_password_inotify_fd, EPOLLIN, m);
303 }
304
305 return m->have_ask_password;
306}
307
14228c0d 308static int manager_watch_idle_pipe(Manager *m) {
14228c0d
MB
309 int r;
310
60f067b4
JS
311 assert(m);
312
313 if (m->idle_pipe_event_source)
14228c0d
MB
314 return 0;
315
316 if (m->idle_pipe[2] < 0)
317 return 0;
318
60f067b4 319 r = sd_event_add_io(m->event, &m->idle_pipe_event_source, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m);
f47781d8
MP
320 if (r < 0)
321 return log_error_errno(r, "Failed to watch idle pipe: %m");
14228c0d 322
e3bff60a
MP
323 (void) sd_event_source_set_description(m->idle_pipe_event_source, "manager-idle-pipe");
324
14228c0d 325 return 0;
14228c0d
MB
326}
327
60f067b4
JS
328static void manager_close_idle_pipe(Manager *m) {
329 assert(m);
14228c0d 330
6300502b
MP
331 m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source);
332
60f067b4
JS
333 safe_close_pair(m->idle_pipe);
334 safe_close_pair(m->idle_pipe + 2);
14228c0d
MB
335}
336
663996b3 337static int manager_setup_time_change(Manager *m) {
60f067b4 338 int r;
663996b3
MS
339
340 /* We only care for the cancellation event, hence we set the
341 * timeout to the latest possible value. */
342 struct itimerspec its = {
343 .it_value.tv_sec = TIME_T_MAX,
344 };
663996b3 345
60f067b4
JS
346 assert(m);
347 assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX));
663996b3 348
5eef597e
MP
349 if (m->test_run)
350 return 0;
351
663996b3
MS
352 /* Uses TFD_TIMER_CANCEL_ON_SET to get notifications whenever
353 * CLOCK_REALTIME makes a jump relative to CLOCK_MONOTONIC */
354
60f067b4 355 m->time_change_fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC);
f47781d8
MP
356 if (m->time_change_fd < 0)
357 return log_error_errno(errno, "Failed to create timerfd: %m");
663996b3 358
60f067b4 359 if (timerfd_settime(m->time_change_fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) {
f47781d8 360 log_debug_errno(errno, "Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m");
60f067b4 361 m->time_change_fd = safe_close(m->time_change_fd);
663996b3
MS
362 return 0;
363 }
364
60f067b4 365 r = sd_event_add_io(m->event, &m->time_change_event_source, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m);
f47781d8
MP
366 if (r < 0)
367 return log_error_errno(r, "Failed to create time change event source: %m");
663996b3 368
e3bff60a
MP
369 (void) sd_event_source_set_description(m->time_change_event_source, "manager-time-change");
370
663996b3
MS
371 log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd.");
372
373 return 0;
374}
375
376static int enable_special_signals(Manager *m) {
60f067b4 377 _cleanup_close_ int fd = -1;
663996b3
MS
378
379 assert(m);
380
4c89c718
MP
381 if (m->test_run)
382 return 0;
383
663996b3
MS
384 /* Enable that we get SIGINT on control-alt-del. In containers
385 * this will fail with EPERM (older) or EINVAL (newer), so
386 * ignore that. */
387 if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM && errno != EINVAL)
f47781d8 388 log_warning_errno(errno, "Failed to enable ctrl-alt-del handling: %m");
663996b3
MS
389
390 fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC);
391 if (fd < 0) {
392 /* Support systems without virtual console */
393 if (fd != -ENOENT)
f47781d8 394 log_warning_errno(errno, "Failed to open /dev/tty0: %m");
663996b3
MS
395 } else {
396 /* Enable that we get SIGWINCH on kbrequest */
397 if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0)
f47781d8 398 log_warning_errno(errno, "Failed to enable kbrequest handling: %m");
663996b3
MS
399 }
400
401 return 0;
402}
403
404static int manager_setup_signals(Manager *m) {
663996b3
MS
405 struct sigaction sa = {
406 .sa_handler = SIG_DFL,
407 .sa_flags = SA_NOCLDSTOP|SA_RESTART,
408 };
60f067b4
JS
409 sigset_t mask;
410 int r;
663996b3
MS
411
412 assert(m);
413
663996b3
MS
414 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
415
5eef597e
MP
416 /* We make liberal use of realtime signals here. On
417 * Linux/glibc we have 30 of them (with the exception of Linux
418 * on hppa, see below), between SIGRTMIN+0 ... SIGRTMIN+30
419 * (aka SIGRTMAX). */
663996b3 420
5eef597e 421 assert_se(sigemptyset(&mask) == 0);
663996b3
MS
422 sigset_add_many(&mask,
423 SIGCHLD, /* Child died */
424 SIGTERM, /* Reexecute daemon */
425 SIGHUP, /* Reload configuration */
426 SIGUSR1, /* systemd/upstart: reconnect to D-Bus */
427 SIGUSR2, /* systemd: dump status */
428 SIGINT, /* Kernel sends us this on control-alt-del */
429 SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */
430 SIGPWR, /* Some kernel drivers and upsd send us this on power failure */
5eef597e 431
663996b3
MS
432 SIGRTMIN+0, /* systemd: start default.target */
433 SIGRTMIN+1, /* systemd: isolate rescue.target */
434 SIGRTMIN+2, /* systemd: isolate emergency.target */
435 SIGRTMIN+3, /* systemd: start halt.target */
436 SIGRTMIN+4, /* systemd: start poweroff.target */
437 SIGRTMIN+5, /* systemd: start reboot.target */
438 SIGRTMIN+6, /* systemd: start kexec.target */
5eef597e
MP
439
440 /* ... space for more special targets ... */
441
663996b3
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442 SIGRTMIN+13, /* systemd: Immediate halt */
443 SIGRTMIN+14, /* systemd: Immediate poweroff */
444 SIGRTMIN+15, /* systemd: Immediate reboot */
445 SIGRTMIN+16, /* systemd: Immediate kexec */
5eef597e
MP
446
447 /* ... space for more immediate system state changes ... */
448
663996b3
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449 SIGRTMIN+20, /* systemd: enable status messages */
450 SIGRTMIN+21, /* systemd: disable status messages */
451 SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */
452 SIGRTMIN+23, /* systemd: set log level to LOG_INFO */
453 SIGRTMIN+24, /* systemd: Immediate exit (--user only) */
5eef597e
MP
454
455 /* .. one free signal here ... */
456
457#if !defined(__hppa64__) && !defined(__hppa__)
458 /* Apparently Linux on hppa has fewer RT
459 * signals (SIGRTMAX is SIGRTMIN+25 there),
460 * hence let's not try to make use of them
461 * here. Since these commands are accessible
462 * by different means and only really a safety
463 * net, the missing functionality on hppa
464 * shouldn't matter. */
465
663996b3
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466 SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */
467 SIGRTMIN+27, /* systemd: set log target to console */
468 SIGRTMIN+28, /* systemd: set log target to kmsg */
e735f4d4 469 SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg (obsolete) */
5eef597e
MP
470
471 /* ... one free signal here SIGRTMIN+30 ... */
472#endif
663996b3
MS
473 -1);
474 assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0);
475
60f067b4
JS
476 m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
477 if (m->signal_fd < 0)
663996b3
MS
478 return -errno;
479
60f067b4
JS
480 r = sd_event_add_io(m->event, &m->signal_event_source, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m);
481 if (r < 0)
482 return r;
483
e3bff60a
MP
484 (void) sd_event_source_set_description(m->signal_event_source, "manager-signal");
485
60f067b4 486 /* Process signals a bit earlier than the rest of things, but
5eef597e 487 * later than notify_fd processing, so that the notify
60f067b4
JS
488 * processing can still figure out to which process/service a
489 * message belongs, before we reap the process. */
db2df898 490 r = sd_event_source_set_priority(m->signal_event_source, SD_EVENT_PRIORITY_NORMAL-5);
60f067b4
JS
491 if (r < 0)
492 return r;
663996b3 493
e3bff60a 494 if (m->running_as == MANAGER_SYSTEM)
663996b3
MS
495 return enable_special_signals(m);
496
497 return 0;
498}
499
60f067b4
JS
500static void manager_clean_environment(Manager *m) {
501 assert(m);
502
503 /* Let's remove some environment variables that we
504 * need ourselves to communicate with our clients */
505 strv_env_unset_many(
506 m->environment,
507 "NOTIFY_SOCKET",
508 "MAINPID",
509 "MANAGERPID",
510 "LISTEN_PID",
511 "LISTEN_FDS",
6300502b 512 "LISTEN_FDNAMES",
60f067b4
JS
513 "WATCHDOG_PID",
514 "WATCHDOG_USEC",
515 NULL);
516}
517
14228c0d 518static int manager_default_environment(Manager *m) {
663996b3
MS
519 assert(m);
520
e3bff60a 521 if (m->running_as == MANAGER_SYSTEM) {
14228c0d
MB
522 /* The system manager always starts with a clean
523 * environment for its children. It does not import
524 * the kernel or the parents exported variables.
525 *
526 * The initial passed environ is untouched to keep
527 * /proc/self/environ valid; it is used for tagging
528 * the init process inside containers. */
529 m->environment = strv_new("PATH=" DEFAULT_PATH,
530 NULL);
531
532 /* Import locale variables LC_*= from configuration */
533 locale_setup(&m->environment);
60f067b4 534 } else {
14228c0d
MB
535 /* The user manager passes its own environment
536 * along to its children. */
537 m->environment = strv_copy(environ);
60f067b4 538 }
663996b3 539
14228c0d
MB
540 if (!m->environment)
541 return -ENOMEM;
663996b3 542
60f067b4
JS
543 manager_clean_environment(m);
544 strv_sort(m->environment);
545
14228c0d 546 return 0;
663996b3
MS
547}
548
e3bff60a
MP
549
550int manager_new(ManagerRunningAs running_as, bool test_run, Manager **_m) {
551
552 static const char * const unit_log_fields[_MANAGER_RUNNING_AS_MAX] = {
553 [MANAGER_SYSTEM] = "UNIT=",
554 [MANAGER_USER] = "USER_UNIT=",
555 };
556
557 static const char * const unit_log_format_strings[_MANAGER_RUNNING_AS_MAX] = {
558 [MANAGER_SYSTEM] = "UNIT=%s",
559 [MANAGER_USER] = "USER_UNIT=%s",
560 };
561
663996b3 562 Manager *m;
60f067b4 563 int r;
663996b3
MS
564
565 assert(_m);
566 assert(running_as >= 0);
e3bff60a 567 assert(running_as < _MANAGER_RUNNING_AS_MAX);
663996b3
MS
568
569 m = new0(Manager, 1);
570 if (!m)
571 return -ENOMEM;
572
14228c0d 573#ifdef ENABLE_EFI
6300502b 574 if (running_as == MANAGER_SYSTEM && detect_container() <= 0)
14228c0d
MB
575 boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
576#endif
577
663996b3 578 m->running_as = running_as;
663996b3 579 m->exit_code = _MANAGER_EXIT_CODE_INVALID;
60f067b4 580 m->default_timer_accuracy_usec = USEC_PER_MINUTE;
db2df898
MP
581 m->default_tasks_accounting = true;
582 m->default_tasks_max = UINT64_C(512);
663996b3 583
e3bff60a
MP
584 /* Prepare log fields we can use for structured logging */
585 m->unit_log_field = unit_log_fields[running_as];
586 m->unit_log_format_string = unit_log_format_strings[running_as];
587
60f067b4 588 m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1;
663996b3 589
d9dfd233 590 m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd =
6300502b
MP
591 m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = m->cgroup_inotify_fd = -1;
592
663996b3
MS
593 m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
594
5eef597e
MP
595 m->ask_password_inotify_fd = -1;
596 m->have_ask_password = -EINVAL; /* we don't know */
d9dfd233 597 m->first_boot = -1;
5eef597e
MP
598
599 m->test_run = test_run;
600
e735f4d4
MP
601 /* Reboot immediately if the user hits C-A-D more often than 7x per 2s */
602 RATELIMIT_INIT(m->ctrl_alt_del_ratelimit, 2 * USEC_PER_SEC, 7);
603
14228c0d
MB
604 r = manager_default_environment(m);
605 if (r < 0)
663996b3
MS
606 goto fail;
607
5eef597e 608 r = hashmap_ensure_allocated(&m->units, &string_hash_ops);
60f067b4 609 if (r < 0)
663996b3
MS
610 goto fail;
611
5eef597e 612 r = hashmap_ensure_allocated(&m->jobs, NULL);
60f067b4 613 if (r < 0)
663996b3
MS
614 goto fail;
615
5eef597e 616 r = hashmap_ensure_allocated(&m->cgroup_unit, &string_hash_ops);
60f067b4 617 if (r < 0)
663996b3
MS
618 goto fail;
619
5eef597e 620 r = hashmap_ensure_allocated(&m->watch_bus, &string_hash_ops);
60f067b4 621 if (r < 0)
663996b3
MS
622 goto fail;
623
60f067b4 624 r = sd_event_default(&m->event);
663996b3
MS
625 if (r < 0)
626 goto fail;
627
60f067b4 628 r = sd_event_add_defer(m->event, &m->run_queue_event_source, manager_dispatch_run_queue, m);
663996b3
MS
629 if (r < 0)
630 goto fail;
631
60f067b4
JS
632 r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE);
633 if (r < 0)
634 goto fail;
635
636 r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF);
637 if (r < 0)
638 goto fail;
639
e3bff60a
MP
640 (void) sd_event_source_set_description(m->run_queue_event_source, "manager-run-queue");
641
60f067b4
JS
642 r = manager_setup_signals(m);
643 if (r < 0)
644 goto fail;
645
646 r = manager_setup_cgroup(m);
663996b3
MS
647 if (r < 0)
648 goto fail;
649
650 r = manager_setup_time_change(m);
651 if (r < 0)
652 goto fail;
653
60f067b4
JS
654 m->udev = udev_new();
655 if (!m->udev) {
656 r = -ENOMEM;
657 goto fail;
658 }
659
660 /* Note that we set up neither kdbus, nor the notify fd
661 * here. We do that after deserialization, since they might
662 * have gotten serialized across the reexec. */
663996b3
MS
663
664 m->taint_usr = dir_is_empty("/usr") > 0;
665
666 *_m = m;
667 return 0;
668
669fail:
670 manager_free(m);
671 return r;
672}
673
60f067b4
JS
674static int manager_setup_notify(Manager *m) {
675 int r;
676
5eef597e
MP
677 if (m->test_run)
678 return 0;
679
60f067b4
JS
680 if (m->notify_fd < 0) {
681 _cleanup_close_ int fd = -1;
86f210e9 682 union sockaddr_union sa = {
60f067b4
JS
683 .sa.sa_family = AF_UNIX,
684 };
5eef597e 685 static const int one = 1;
60f067b4
JS
686
687 /* First free all secondary fields */
6300502b 688 m->notify_socket = mfree(m->notify_socket);
60f067b4
JS
689 m->notify_event_source = sd_event_source_unref(m->notify_event_source);
690
691 fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
f47781d8
MP
692 if (fd < 0)
693 return log_error_errno(errno, "Failed to allocate notification socket: %m");
60f067b4 694
db2df898
MP
695 fd_inc_rcvbuf(fd, NOTIFY_RCVBUF_SIZE);
696
e3bff60a 697 if (m->running_as == MANAGER_SYSTEM)
60f067b4
JS
698 m->notify_socket = strdup("/run/systemd/notify");
699 else {
700 const char *e;
701
702 e = getenv("XDG_RUNTIME_DIR");
703 if (!e) {
f47781d8 704 log_error_errno(errno, "XDG_RUNTIME_DIR is not set: %m");
60f067b4
JS
705 return -EINVAL;
706 }
707
708 m->notify_socket = strappend(e, "/systemd/notify");
709 }
710 if (!m->notify_socket)
711 return log_oom();
712
f47781d8
MP
713 (void) mkdir_parents_label(m->notify_socket, 0755);
714 (void) unlink(m->notify_socket);
715
60f067b4
JS
716 strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1);
717 r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path));
f47781d8
MP
718 if (r < 0)
719 return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
60f067b4
JS
720
721 r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
f47781d8
MP
722 if (r < 0)
723 return log_error_errno(errno, "SO_PASSCRED failed: %m");
60f067b4
JS
724
725 m->notify_fd = fd;
726 fd = -1;
727
728 log_debug("Using notification socket %s", m->notify_socket);
729 }
730
731 if (!m->notify_event_source) {
732 r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m);
f47781d8
MP
733 if (r < 0)
734 return log_error_errno(r, "Failed to allocate notify event source: %m");
60f067b4
JS
735
736 /* Process signals a bit earlier than SIGCHLD, so that we can
737 * still identify to which service an exit message belongs */
db2df898 738 r = sd_event_source_set_priority(m->notify_event_source, SD_EVENT_PRIORITY_NORMAL-7);
f47781d8
MP
739 if (r < 0)
740 return log_error_errno(r, "Failed to set priority of notify event source: %m");
e3bff60a
MP
741
742 (void) sd_event_source_set_description(m->notify_event_source, "manager-notify");
60f067b4
JS
743 }
744
745 return 0;
746}
747
748static int manager_setup_kdbus(Manager *m) {
60f067b4 749 _cleanup_free_ char *p = NULL;
60f067b4 750
60f067b4
JS
751 assert(m);
752
5eef597e 753 if (m->test_run || m->kdbus_fd >= 0)
60f067b4 754 return 0;
e3bff60a
MP
755 if (!is_kdbus_available())
756 return -ESOCKTNOSUPPORT;
60f067b4 757
f47781d8 758 m->kdbus_fd = bus_kernel_create_bus(
e3bff60a
MP
759 m->running_as == MANAGER_SYSTEM ? "system" : "user",
760 m->running_as == MANAGER_SYSTEM, &p);
60f067b4 761
f47781d8
MP
762 if (m->kdbus_fd < 0)
763 return log_debug_errno(m->kdbus_fd, "Failed to set up kdbus: %m");
764
765 log_debug("Successfully set up kdbus on %s", p);
60f067b4
JS
766
767 return 0;
768}
769
770static int manager_connect_bus(Manager *m, bool reexecuting) {
771 bool try_bus_connect;
772
773 assert(m);
774
5eef597e
MP
775 if (m->test_run)
776 return 0;
777
60f067b4
JS
778 try_bus_connect =
779 m->kdbus_fd >= 0 ||
780 reexecuting ||
e3bff60a 781 (m->running_as == MANAGER_USER && getenv("DBUS_SESSION_BUS_ADDRESS"));
60f067b4 782
e3bff60a 783 /* Try to connect to the buses, if possible. */
60f067b4
JS
784 return bus_init(m, try_bus_connect);
785}
786
663996b3
MS
787static unsigned manager_dispatch_cleanup_queue(Manager *m) {
788 Unit *u;
789 unsigned n = 0;
790
791 assert(m);
792
793 while ((u = m->cleanup_queue)) {
794 assert(u->in_cleanup_queue);
795
796 unit_free(u);
797 n++;
798 }
799
800 return n;
801}
802
803enum {
804 GC_OFFSET_IN_PATH, /* This one is on the path we were traveling */
805 GC_OFFSET_UNSURE, /* No clue */
806 GC_OFFSET_GOOD, /* We still need this unit */
807 GC_OFFSET_BAD, /* We don't need this unit anymore */
808 _GC_OFFSET_MAX
809};
810
811static void unit_gc_sweep(Unit *u, unsigned gc_marker) {
812 Iterator i;
813 Unit *other;
814 bool is_bad;
815
816 assert(u);
817
818 if (u->gc_marker == gc_marker + GC_OFFSET_GOOD ||
819 u->gc_marker == gc_marker + GC_OFFSET_BAD ||
820 u->gc_marker == gc_marker + GC_OFFSET_IN_PATH)
821 return;
822
823 if (u->in_cleanup_queue)
824 goto bad;
825
826 if (unit_check_gc(u))
827 goto good;
828
829 u->gc_marker = gc_marker + GC_OFFSET_IN_PATH;
830
831 is_bad = true;
832
833 SET_FOREACH(other, u->dependencies[UNIT_REFERENCED_BY], i) {
834 unit_gc_sweep(other, gc_marker);
835
836 if (other->gc_marker == gc_marker + GC_OFFSET_GOOD)
837 goto good;
838
839 if (other->gc_marker != gc_marker + GC_OFFSET_BAD)
840 is_bad = false;
841 }
842
843 if (is_bad)
844 goto bad;
845
846 /* We were unable to find anything out about this entry, so
847 * let's investigate it later */
848 u->gc_marker = gc_marker + GC_OFFSET_UNSURE;
849 unit_add_to_gc_queue(u);
850 return;
851
852bad:
853 /* We definitely know that this one is not useful anymore, so
854 * let's mark it for deletion */
855 u->gc_marker = gc_marker + GC_OFFSET_BAD;
856 unit_add_to_cleanup_queue(u);
857 return;
858
859good:
860 u->gc_marker = gc_marker + GC_OFFSET_GOOD;
861}
862
863static unsigned manager_dispatch_gc_queue(Manager *m) {
864 Unit *u;
865 unsigned n = 0;
866 unsigned gc_marker;
867
868 assert(m);
869
14228c0d 870 /* log_debug("Running GC..."); */
663996b3
MS
871
872 m->gc_marker += _GC_OFFSET_MAX;
873 if (m->gc_marker + _GC_OFFSET_MAX <= _GC_OFFSET_MAX)
874 m->gc_marker = 1;
875
876 gc_marker = m->gc_marker;
877
878 while ((u = m->gc_queue)) {
879 assert(u->in_gc_queue);
880
881 unit_gc_sweep(u, gc_marker);
882
60f067b4 883 LIST_REMOVE(gc_queue, m->gc_queue, u);
663996b3
MS
884 u->in_gc_queue = false;
885
886 n++;
887
888 if (u->gc_marker == gc_marker + GC_OFFSET_BAD ||
889 u->gc_marker == gc_marker + GC_OFFSET_UNSURE) {
e3bff60a
MP
890 if (u->id)
891 log_unit_debug(u, "Collecting.");
663996b3
MS
892 u->gc_marker = gc_marker + GC_OFFSET_BAD;
893 unit_add_to_cleanup_queue(u);
894 }
895 }
896
897 m->n_in_gc_queue = 0;
663996b3
MS
898
899 return n;
900}
901
902static void manager_clear_jobs_and_units(Manager *m) {
903 Unit *u;
904
905 assert(m);
906
907 while ((u = hashmap_first(m->units)))
908 unit_free(u);
909
910 manager_dispatch_cleanup_queue(m);
911
912 assert(!m->load_queue);
913 assert(!m->run_queue);
914 assert(!m->dbus_unit_queue);
915 assert(!m->dbus_job_queue);
916 assert(!m->cleanup_queue);
917 assert(!m->gc_queue);
918
919 assert(hashmap_isempty(m->jobs));
920 assert(hashmap_isempty(m->units));
921
922 m->n_on_console = 0;
923 m->n_running_jobs = 0;
924}
925
f47781d8 926Manager* manager_free(Manager *m) {
663996b3
MS
927 UnitType c;
928 int i;
929
f47781d8
MP
930 if (!m)
931 return NULL;
663996b3
MS
932
933 manager_clear_jobs_and_units(m);
934
935 for (c = 0; c < _UNIT_TYPE_MAX; c++)
936 if (unit_vtable[c]->shutdown)
937 unit_vtable[c]->shutdown(m);
938
939 /* If we reexecute ourselves, we keep the root cgroup
940 * around */
941 manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE);
942
943 manager_undo_generators(m);
944
945 bus_done(m);
946
947 hashmap_free(m->units);
948 hashmap_free(m->jobs);
60f067b4
JS
949 hashmap_free(m->watch_pids1);
950 hashmap_free(m->watch_pids2);
663996b3
MS
951 hashmap_free(m->watch_bus);
952
60f067b4
JS
953 set_free(m->startup_units);
954 set_free(m->failed_units);
955
956 sd_event_source_unref(m->signal_event_source);
957 sd_event_source_unref(m->notify_event_source);
958 sd_event_source_unref(m->time_change_event_source);
959 sd_event_source_unref(m->jobs_in_progress_event_source);
60f067b4
JS
960 sd_event_source_unref(m->run_queue_event_source);
961
962 safe_close(m->signal_fd);
963 safe_close(m->notify_fd);
964 safe_close(m->time_change_fd);
965 safe_close(m->kdbus_fd);
966
5eef597e
MP
967 manager_close_ask_password(m);
968
60f067b4
JS
969 manager_close_idle_pipe(m);
970
971 udev_unref(m->udev);
972 sd_event_unref(m->event);
663996b3
MS
973
974 free(m->notify_socket);
975
976 lookup_paths_free(&m->lookup_paths);
977 strv_free(m->environment);
978
14228c0d 979 hashmap_free(m->cgroup_unit);
663996b3
MS
980 set_free_free(m->unit_path_cache);
981
663996b3
MS
982 free(m->switch_root);
983 free(m->switch_root_init);
984
60f067b4 985 for (i = 0; i < _RLIMIT_MAX; i++)
4c89c718 986 m->rlimit[i] = mfree(m->rlimit[i]);
663996b3 987
14228c0d
MB
988 assert(hashmap_isempty(m->units_requiring_mounts_for));
989 hashmap_free(m->units_requiring_mounts_for);
990
663996b3 991 free(m);
f47781d8 992 return NULL;
663996b3
MS
993}
994
db2df898 995void manager_enumerate(Manager *m) {
663996b3
MS
996 UnitType c;
997
998 assert(m);
999
1000 /* Let's ask every type to load all units from disk/kernel
1001 * that it might know */
e735f4d4 1002 for (c = 0; c < _UNIT_TYPE_MAX; c++) {
e3bff60a
MP
1003 if (!unit_type_supported(c)) {
1004 log_debug("Unit type .%s is not supported on this system.", unit_type_to_string(c));
e735f4d4 1005 continue;
14228c0d 1006 }
663996b3 1007
e735f4d4
MP
1008 if (!unit_vtable[c]->enumerate)
1009 continue;
1010
db2df898 1011 unit_vtable[c]->enumerate(m);
e735f4d4
MP
1012 }
1013
663996b3 1014 manager_dispatch_load_queue(m);
663996b3
MS
1015}
1016
e3bff60a 1017static void manager_coldplug(Manager *m) {
663996b3
MS
1018 Iterator i;
1019 Unit *u;
1020 char *k;
e3bff60a 1021 int r;
663996b3
MS
1022
1023 assert(m);
1024
1025 /* Then, let's set up their initial state. */
1026 HASHMAP_FOREACH_KEY(u, k, m->units, i) {
1027
1028 /* ignore aliases */
1029 if (u->id != k)
1030 continue;
1031
e3bff60a
MP
1032 r = unit_coldplug(u);
1033 if (r < 0)
1034 log_warning_errno(r, "We couldn't coldplug %s, proceeding anyway: %m", u->id);
663996b3 1035 }
663996b3
MS
1036}
1037
1038static void manager_build_unit_path_cache(Manager *m) {
1039 char **i;
5eef597e 1040 _cleanup_closedir_ DIR *d = NULL;
663996b3
MS
1041 int r;
1042
1043 assert(m);
1044
1045 set_free_free(m->unit_path_cache);
1046
5eef597e 1047 m->unit_path_cache = set_new(&string_hash_ops);
663996b3
MS
1048 if (!m->unit_path_cache) {
1049 log_error("Failed to allocate unit path cache.");
1050 return;
1051 }
1052
1053 /* This simply builds a list of files we know exist, so that
1054 * we don't always have to go to disk */
1055
1056 STRV_FOREACH(i, m->lookup_paths.unit_path) {
1057 struct dirent *de;
1058
1059 d = opendir(*i);
1060 if (!d) {
1061 if (errno != ENOENT)
f47781d8 1062 log_error_errno(errno, "Failed to open directory %s: %m", *i);
663996b3
MS
1063 continue;
1064 }
1065
1066 while ((de = readdir(d))) {
1067 char *p;
1068
e735f4d4 1069 if (hidden_file(de->d_name))
663996b3
MS
1070 continue;
1071
1072 p = strjoin(streq(*i, "/") ? "" : *i, "/", de->d_name, NULL);
1073 if (!p) {
1074 r = -ENOMEM;
1075 goto fail;
1076 }
1077
1078 r = set_consume(m->unit_path_cache, p);
1079 if (r < 0)
1080 goto fail;
1081 }
1082
6300502b 1083 d = safe_closedir(d);
663996b3
MS
1084 }
1085
1086 return;
1087
1088fail:
f47781d8 1089 log_error_errno(r, "Failed to build unit path cache: %m");
663996b3
MS
1090
1091 set_free_free(m->unit_path_cache);
1092 m->unit_path_cache = NULL;
1093}
1094
60f067b4 1095
db2df898 1096static void manager_distribute_fds(Manager *m, FDSet *fds) {
60f067b4 1097 Iterator i;
db2df898 1098 Unit *u;
60f067b4
JS
1099
1100 assert(m);
1101
1102 HASHMAP_FOREACH(u, m->units, i) {
1103
1104 if (fdset_size(fds) <= 0)
1105 break;
1106
db2df898
MP
1107 if (!UNIT_VTABLE(u)->distribute_fds)
1108 continue;
60f067b4 1109
db2df898
MP
1110 UNIT_VTABLE(u)->distribute_fds(u, fds);
1111 }
60f067b4
JS
1112}
1113
663996b3
MS
1114int manager_startup(Manager *m, FILE *serialization, FDSet *fds) {
1115 int r, q;
1116
1117 assert(m);
1118
14228c0d 1119 dual_timestamp_get(&m->generators_start_timestamp);
e735f4d4 1120 r = manager_run_generators(m);
14228c0d 1121 dual_timestamp_get(&m->generators_finish_timestamp);
e735f4d4
MP
1122 if (r < 0)
1123 return r;
663996b3
MS
1124
1125 r = lookup_paths_init(
1126 &m->lookup_paths, m->running_as, true,
60f067b4 1127 NULL,
663996b3
MS
1128 m->generator_unit_path,
1129 m->generator_unit_path_early,
1130 m->generator_unit_path_late);
1131 if (r < 0)
1132 return r;
1133
1134 manager_build_unit_path_cache(m);
1135
1136 /* If we will deserialize make sure that during enumeration
1137 * this is already known, so we increase the counter here
1138 * already */
1139 if (serialization)
1140 m->n_reloading ++;
1141
1142 /* First, enumerate what we can from all config files */
60f067b4 1143 dual_timestamp_get(&m->units_load_start_timestamp);
db2df898 1144 manager_enumerate(m);
60f067b4 1145 dual_timestamp_get(&m->units_load_finish_timestamp);
663996b3
MS
1146
1147 /* Second, deserialize if there is something to deserialize */
5eef597e
MP
1148 if (serialization)
1149 r = manager_deserialize(m, serialization, fds);
663996b3
MS
1150
1151 /* Any fds left? Find some unit which wants them. This is
1152 * useful to allow container managers to pass some file
1153 * descriptors to us pre-initialized. This enables
1154 * socket-based activation of entire containers. */
db2df898 1155 manager_distribute_fds(m, fds);
663996b3 1156
60f067b4
JS
1157 /* We might have deserialized the notify fd, but if we didn't
1158 * then let's create the bus now */
5eef597e
MP
1159 q = manager_setup_notify(m);
1160 if (q < 0 && r == 0)
1161 r = q;
60f067b4
JS
1162
1163 /* We might have deserialized the kdbus control fd, but if we
1164 * didn't, then let's create the bus now. */
1165 manager_setup_kdbus(m);
1166 manager_connect_bus(m, !!serialization);
1167 bus_track_coldplug(m, &m->subscribed, &m->deserialized_subscribed);
1168
663996b3 1169 /* Third, fire things up! */
e3bff60a 1170 manager_coldplug(m);
663996b3
MS
1171
1172 if (serialization) {
1173 assert(m->n_reloading > 0);
1174 m->n_reloading --;
14228c0d
MB
1175
1176 /* Let's wait for the UnitNew/JobNew messages being
1177 * sent, before we notify that the reload is
1178 * finished */
1179 m->send_reloading_done = true;
663996b3
MS
1180 }
1181
1182 return r;
1183}
1184
db2df898 1185int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_error *e, Job **_ret) {
663996b3
MS
1186 int r;
1187 Transaction *tr;
1188
1189 assert(m);
1190 assert(type < _JOB_TYPE_MAX);
1191 assert(unit);
1192 assert(mode < _JOB_MODE_MAX);
1193
f47781d8
MP
1194 if (mode == JOB_ISOLATE && type != JOB_START)
1195 return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start.");
663996b3 1196
f47781d8
MP
1197 if (mode == JOB_ISOLATE && !unit->allow_isolate)
1198 return sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated.");
663996b3 1199
e3bff60a 1200 log_unit_debug(unit, "Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode));
663996b3 1201
e3bff60a 1202 type = job_type_collapse(type, unit);
663996b3
MS
1203
1204 tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY);
1205 if (!tr)
1206 return -ENOMEM;
1207
db2df898 1208 r = transaction_add_job_and_dependencies(tr, type, unit, NULL, true, false,
663996b3
MS
1209 mode == JOB_IGNORE_DEPENDENCIES || mode == JOB_IGNORE_REQUIREMENTS,
1210 mode == JOB_IGNORE_DEPENDENCIES, e);
1211 if (r < 0)
1212 goto tr_abort;
1213
1214 if (mode == JOB_ISOLATE) {
1215 r = transaction_add_isolate_jobs(tr, m);
1216 if (r < 0)
1217 goto tr_abort;
1218 }
1219
1220 r = transaction_activate(tr, m, mode, e);
1221 if (r < 0)
1222 goto tr_abort;
1223
e3bff60a 1224 log_unit_debug(unit,
663996b3
MS
1225 "Enqueued job %s/%s as %u", unit->id,
1226 job_type_to_string(type), (unsigned) tr->anchor_job->id);
1227
1228 if (_ret)
1229 *_ret = tr->anchor_job;
1230
1231 transaction_free(tr);
1232 return 0;
1233
1234tr_abort:
1235 transaction_abort(tr);
1236 transaction_free(tr);
1237 return r;
1238}
1239
db2df898 1240int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, sd_bus_error *e, Job **ret) {
663996b3
MS
1241 Unit *unit;
1242 int r;
1243
1244 assert(m);
1245 assert(type < _JOB_TYPE_MAX);
1246 assert(name);
1247 assert(mode < _JOB_MODE_MAX);
1248
1249 r = manager_load_unit(m, name, NULL, NULL, &unit);
1250 if (r < 0)
1251 return r;
1252
db2df898
MP
1253 return manager_add_job(m, type, unit, mode, e, ret);
1254}
1255
1256int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Job **ret) {
4c89c718 1257 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
db2df898
MP
1258 int r;
1259
1260 assert(m);
1261 assert(type < _JOB_TYPE_MAX);
1262 assert(name);
1263 assert(mode < _JOB_MODE_MAX);
1264
1265 r = manager_add_job_by_name(m, type, name, mode, &error, ret);
1266 if (r < 0)
1267 return log_warning_errno(r, "Failed to enqueue %s job for %s: %s", job_mode_to_string(mode), name, bus_error_message(&error, r));
1268
1269 return r;
663996b3
MS
1270}
1271
1272Job *manager_get_job(Manager *m, uint32_t id) {
1273 assert(m);
1274
1275 return hashmap_get(m->jobs, UINT32_TO_PTR(id));
1276}
1277
1278Unit *manager_get_unit(Manager *m, const char *name) {
1279 assert(m);
1280 assert(name);
1281
1282 return hashmap_get(m->units, name);
1283}
1284
1285unsigned manager_dispatch_load_queue(Manager *m) {
1286 Unit *u;
1287 unsigned n = 0;
1288
1289 assert(m);
1290
1291 /* Make sure we are not run recursively */
1292 if (m->dispatching_load_queue)
1293 return 0;
1294
1295 m->dispatching_load_queue = true;
1296
1297 /* Dispatches the load queue. Takes a unit from the queue and
1298 * tries to load its data until the queue is empty */
1299
1300 while ((u = m->load_queue)) {
1301 assert(u->in_load_queue);
1302
1303 unit_load(u);
1304 n++;
1305 }
1306
1307 m->dispatching_load_queue = false;
1308 return n;
1309}
1310
14228c0d
MB
1311int manager_load_unit_prepare(
1312 Manager *m,
1313 const char *name,
1314 const char *path,
60f067b4 1315 sd_bus_error *e,
14228c0d
MB
1316 Unit **_ret) {
1317
663996b3
MS
1318 Unit *ret;
1319 UnitType t;
1320 int r;
1321
1322 assert(m);
1323 assert(name || path);
1324
1325 /* This will prepare the unit for loading, but not actually
1326 * load anything from disk. */
1327
60f067b4
JS
1328 if (path && !is_path(path))
1329 return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
663996b3
MS
1330
1331 if (!name)
60f067b4 1332 name = basename(path);
663996b3
MS
1333
1334 t = unit_name_to_type(name);
1335
e3bff60a 1336 if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE))
60f067b4 1337 return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name);
663996b3
MS
1338
1339 ret = manager_get_unit(m, name);
1340 if (ret) {
1341 *_ret = ret;
1342 return 1;
1343 }
1344
1345 ret = unit_new(m, unit_vtable[t]->object_size);
1346 if (!ret)
1347 return -ENOMEM;
1348
1349 if (path) {
1350 ret->fragment_path = strdup(path);
1351 if (!ret->fragment_path) {
1352 unit_free(ret);
1353 return -ENOMEM;
1354 }
1355 }
1356
14228c0d
MB
1357 r = unit_add_name(ret, name);
1358 if (r < 0) {
663996b3
MS
1359 unit_free(ret);
1360 return r;
1361 }
1362
1363 unit_add_to_load_queue(ret);
1364 unit_add_to_dbus_queue(ret);
1365 unit_add_to_gc_queue(ret);
1366
1367 if (_ret)
1368 *_ret = ret;
1369
1370 return 0;
1371}
1372
14228c0d
MB
1373int manager_load_unit(
1374 Manager *m,
1375 const char *name,
1376 const char *path,
60f067b4 1377 sd_bus_error *e,
14228c0d
MB
1378 Unit **_ret) {
1379
663996b3
MS
1380 int r;
1381
1382 assert(m);
1383
1384 /* This will load the service information files, but not actually
1385 * start any services or anything. */
1386
1387 r = manager_load_unit_prepare(m, name, path, e, _ret);
1388 if (r != 0)
1389 return r;
1390
1391 manager_dispatch_load_queue(m);
1392
1393 if (_ret)
1394 *_ret = unit_follow_merge(*_ret);
1395
1396 return 0;
1397}
1398
1399void manager_dump_jobs(Manager *s, FILE *f, const char *prefix) {
1400 Iterator i;
1401 Job *j;
1402
1403 assert(s);
1404 assert(f);
1405
1406 HASHMAP_FOREACH(j, s->jobs, i)
1407 job_dump(j, f, prefix);
1408}
1409
1410void manager_dump_units(Manager *s, FILE *f, const char *prefix) {
1411 Iterator i;
1412 Unit *u;
1413 const char *t;
1414
1415 assert(s);
1416 assert(f);
1417
1418 HASHMAP_FOREACH_KEY(u, t, s->units, i)
1419 if (u->id == t)
1420 unit_dump(u, f, prefix);
1421}
1422
1423void manager_clear_jobs(Manager *m) {
1424 Job *j;
1425
1426 assert(m);
1427
1428 while ((j = hashmap_first(m->jobs)))
1429 /* No need to recurse. We're cancelling all jobs. */
1430 job_finish_and_invalidate(j, JOB_CANCELED, false);
1431}
1432
60f067b4
JS
1433static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) {
1434 Manager *m = userdata;
663996b3 1435 Job *j;
663996b3 1436
60f067b4
JS
1437 assert(source);
1438 assert(m);
663996b3
MS
1439
1440 while ((j = m->run_queue)) {
1441 assert(j->installed);
1442 assert(j->in_run_queue);
1443
1444 job_run_and_invalidate(j);
663996b3
MS
1445 }
1446
663996b3
MS
1447 if (m->n_running_jobs > 0)
1448 manager_watch_jobs_in_progress(m);
1449
14228c0d
MB
1450 if (m->n_on_console > 0)
1451 manager_watch_idle_pipe(m);
1452
60f067b4 1453 return 1;
663996b3
MS
1454}
1455
60f067b4 1456static unsigned manager_dispatch_dbus_queue(Manager *m) {
663996b3
MS
1457 Job *j;
1458 Unit *u;
1459 unsigned n = 0;
1460
1461 assert(m);
1462
1463 if (m->dispatching_dbus_queue)
1464 return 0;
1465
1466 m->dispatching_dbus_queue = true;
1467
1468 while ((u = m->dbus_unit_queue)) {
1469 assert(u->in_dbus_queue);
1470
1471 bus_unit_send_change_signal(u);
1472 n++;
1473 }
1474
1475 while ((j = m->dbus_job_queue)) {
1476 assert(j->in_dbus_queue);
1477
1478 bus_job_send_change_signal(j);
1479 n++;
1480 }
1481
1482 m->dispatching_dbus_queue = false;
14228c0d
MB
1483
1484 if (m->send_reloading_done) {
1485 m->send_reloading_done = false;
1486
60f067b4 1487 bus_manager_send_reloading(m, false);
14228c0d
MB
1488 }
1489
60f067b4
JS
1490 if (m->queued_message)
1491 bus_send_queued_message(m);
1492
663996b3
MS
1493 return n;
1494}
1495
db2df898 1496static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, const char *buf, size_t n, FDSet *fds) {
60f067b4
JS
1497 _cleanup_strv_free_ char **tags = NULL;
1498
1499 assert(m);
1500 assert(u);
1501 assert(buf);
1502 assert(n > 0);
1503
1504 tags = strv_split(buf, "\n\r");
1505 if (!tags) {
1506 log_oom();
1507 return;
1508 }
1509
60f067b4 1510 if (UNIT_VTABLE(u)->notify_message)
e735f4d4 1511 UNIT_VTABLE(u)->notify_message(u, pid, tags, fds);
e3bff60a
MP
1512 else
1513 log_unit_debug(u, "Got notification message for unit. Ignoring.");
60f067b4
JS
1514}
1515
1516static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
db2df898 1517 _cleanup_fdset_free_ FDSet *fds = NULL;
60f067b4 1518 Manager *m = userdata;
db2df898
MP
1519
1520 char buf[NOTIFY_BUFFER_MAX+1];
1521 struct iovec iovec = {
1522 .iov_base = buf,
1523 .iov_len = sizeof(buf)-1,
1524 };
1525 union {
1526 struct cmsghdr cmsghdr;
1527 uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
1528 CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)];
1529 } control = {};
1530 struct msghdr msghdr = {
1531 .msg_iov = &iovec,
1532 .msg_iovlen = 1,
1533 .msg_control = &control,
1534 .msg_controllen = sizeof(control),
1535 };
1536
1537 struct cmsghdr *cmsg;
1538 struct ucred *ucred = NULL;
1539 bool found = false;
1540 Unit *u1, *u2, *u3;
1541 int r, *fd_array = NULL;
1542 unsigned n_fds = 0;
663996b3
MS
1543 ssize_t n;
1544
1545 assert(m);
60f067b4
JS
1546 assert(m->notify_fd == fd);
1547
1548 if (revents != EPOLLIN) {
1549 log_warning("Got unexpected poll event for notify fd.");
1550 return 0;
1551 }
663996b3 1552
db2df898
MP
1553 n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
1554 if (n < 0) {
1555 if (errno == EAGAIN || errno == EINTR)
1556 return 0;
663996b3 1557
db2df898
MP
1558 return -errno;
1559 }
663996b3 1560
db2df898
MP
1561 CMSG_FOREACH(cmsg, &msghdr) {
1562 if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) {
e735f4d4 1563
db2df898
MP
1564 fd_array = (int*) CMSG_DATA(cmsg);
1565 n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
e735f4d4 1566
db2df898
MP
1567 } else if (cmsg->cmsg_level == SOL_SOCKET &&
1568 cmsg->cmsg_type == SCM_CREDENTIALS &&
1569 cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) {
e735f4d4 1570
db2df898 1571 ucred = (struct ucred*) CMSG_DATA(cmsg);
e735f4d4 1572 }
db2df898 1573 }
e735f4d4 1574
db2df898
MP
1575 if (n_fds > 0) {
1576 assert(fd_array);
e735f4d4 1577
db2df898
MP
1578 r = fdset_new_array(&fds, fd_array, n_fds);
1579 if (r < 0) {
1580 close_many(fd_array, n_fds);
1581 return log_oom();
e735f4d4 1582 }
db2df898 1583 }
e735f4d4 1584
db2df898
MP
1585 if (!ucred || ucred->pid <= 0) {
1586 log_warning("Received notify message without valid credentials. Ignoring.");
1587 return 0;
1588 }
663996b3 1589
db2df898
MP
1590 if ((size_t) n >= sizeof(buf)) {
1591 log_warning("Received notify message exceeded maximum size. Ignoring.");
1592 return 0;
1593 }
663996b3 1594
db2df898 1595 buf[n] = 0;
663996b3 1596
db2df898
MP
1597 /* Notify every unit that might be interested, but try
1598 * to avoid notifying the same one multiple times. */
1599 u1 = manager_get_unit_by_pid_cgroup(m, ucred->pid);
1600 if (u1) {
1601 manager_invoke_notify_message(m, u1, ucred->pid, buf, n, fds);
1602 found = true;
1603 }
60f067b4 1604
db2df898
MP
1605 u2 = hashmap_get(m->watch_pids1, PID_TO_PTR(ucred->pid));
1606 if (u2 && u2 != u1) {
1607 manager_invoke_notify_message(m, u2, ucred->pid, buf, n, fds);
1608 found = true;
1609 }
663996b3 1610
db2df898
MP
1611 u3 = hashmap_get(m->watch_pids2, PID_TO_PTR(ucred->pid));
1612 if (u3 && u3 != u2 && u3 != u1) {
1613 manager_invoke_notify_message(m, u3, ucred->pid, buf, n, fds);
1614 found = true;
1615 }
60f067b4 1616
db2df898
MP
1617 if (!found)
1618 log_warning("Cannot find unit for notify message of PID "PID_FMT".", ucred->pid);
e735f4d4 1619
db2df898
MP
1620 if (fdset_size(fds) > 0)
1621 log_warning("Got auxiliary fds with notification message, closing all.");
663996b3
MS
1622
1623 return 0;
1624}
1625
db2df898 1626static void invoke_sigchld_event(Manager *m, Unit *u, const siginfo_t *si) {
60f067b4
JS
1627 assert(m);
1628 assert(u);
1629 assert(si);
1630
e3bff60a 1631 log_unit_debug(u, "Child "PID_FMT" belongs to %s", si->si_pid, u->id);
60f067b4
JS
1632
1633 unit_unwatch_pid(u, si->si_pid);
1634 UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status);
1635}
1636
663996b3
MS
1637static int manager_dispatch_sigchld(Manager *m) {
1638 assert(m);
1639
1640 for (;;) {
1641 siginfo_t si = {};
663996b3
MS
1642
1643 /* First we call waitd() for a PID and do not reap the
1644 * zombie. That way we can still access /proc/$PID for
1645 * it while it is a zombie. */
1646 if (waitid(P_ALL, 0, &si, WEXITED|WNOHANG|WNOWAIT) < 0) {
1647
1648 if (errno == ECHILD)
1649 break;
1650
1651 if (errno == EINTR)
1652 continue;
1653
1654 return -errno;
1655 }
1656
1657 if (si.si_pid <= 0)
1658 break;
1659
1660 if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
1661 _cleanup_free_ char *name = NULL;
5eef597e 1662 Unit *u1, *u2, *u3;
663996b3
MS
1663
1664 get_process_comm(si.si_pid, &name);
663996b3 1665
60f067b4
JS
1666 log_debug("Child "PID_FMT" (%s) died (code=%s, status=%i/%s)",
1667 si.si_pid, strna(name),
1668 sigchld_code_to_string(si.si_code),
1669 si.si_status,
1670 strna(si.si_code == CLD_EXITED
1671 ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL)
1672 : signal_to_string(si.si_status)));
663996b3 1673
60f067b4
JS
1674 /* And now figure out the unit this belongs
1675 * to, it might be multiple... */
d9dfd233 1676 u1 = manager_get_unit_by_pid_cgroup(m, si.si_pid);
5eef597e
MP
1677 if (u1)
1678 invoke_sigchld_event(m, u1, &si);
d9dfd233 1679 u2 = hashmap_get(m->watch_pids1, PID_TO_PTR(si.si_pid));
5eef597e
MP
1680 if (u2 && u2 != u1)
1681 invoke_sigchld_event(m, u2, &si);
d9dfd233 1682 u3 = hashmap_get(m->watch_pids2, PID_TO_PTR(si.si_pid));
5eef597e
MP
1683 if (u3 && u3 != u2 && u3 != u1)
1684 invoke_sigchld_event(m, u3, &si);
60f067b4 1685 }
663996b3
MS
1686
1687 /* And now, we actually reap the zombie. */
1688 if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) {
1689 if (errno == EINTR)
1690 continue;
1691
1692 return -errno;
60f067b4 1693 }
663996b3
MS
1694 }
1695
1696 return 0;
1697}
1698
1699static int manager_start_target(Manager *m, const char *name, JobMode mode) {
4c89c718 1700 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
663996b3 1701 int r;
663996b3 1702
e3bff60a 1703 log_debug("Activating special unit %s", name);
663996b3 1704
db2df898 1705 r = manager_add_job_by_name(m, JOB_START, name, mode, &error, NULL);
663996b3 1706 if (r < 0)
e3bff60a 1707 log_error("Failed to enqueue %s job: %s", name, bus_error_message(&error, r));
663996b3
MS
1708
1709 return r;
1710}
1711
60f067b4
JS
1712static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1713 Manager *m = userdata;
663996b3
MS
1714 ssize_t n;
1715 struct signalfd_siginfo sfsi;
1716 bool sigchld = false;
5fd56512 1717 int r;
663996b3
MS
1718
1719 assert(m);
60f067b4
JS
1720 assert(m->signal_fd == fd);
1721
1722 if (revents != EPOLLIN) {
1723 log_warning("Got unexpected events from signal file descriptor.");
1724 return 0;
1725 }
663996b3
MS
1726
1727 for (;;) {
60f067b4 1728 n = read(m->signal_fd, &sfsi, sizeof(sfsi));
663996b3
MS
1729 if (n != sizeof(sfsi)) {
1730
1731 if (n >= 0)
1732 return -EIO;
1733
1734 if (errno == EINTR || errno == EAGAIN)
1735 break;
1736
1737 return -errno;
1738 }
1739
60f067b4 1740 log_received_signal(sfsi.ssi_signo == SIGCHLD ||
e3bff60a 1741 (sfsi.ssi_signo == SIGTERM && m->running_as == MANAGER_USER)
60f067b4
JS
1742 ? LOG_DEBUG : LOG_INFO,
1743 &sfsi);
663996b3
MS
1744
1745 switch (sfsi.ssi_signo) {
1746
1747 case SIGCHLD:
1748 sigchld = true;
1749 break;
1750
1751 case SIGTERM:
e3bff60a 1752 if (m->running_as == MANAGER_SYSTEM) {
663996b3
MS
1753 /* This is for compatibility with the
1754 * original sysvinit */
1755 m->exit_code = MANAGER_REEXECUTE;
1756 break;
1757 }
1758
1759 /* Fall through */
1760
1761 case SIGINT:
e3bff60a 1762 if (m->running_as == MANAGER_SYSTEM) {
e735f4d4
MP
1763
1764 /* If the user presses C-A-D more than
1765 * 7 times within 2s, we reboot
1766 * immediately. */
1767
1768 if (ratelimit_test(&m->ctrl_alt_del_ratelimit))
1769 manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY);
1770 else {
1771 log_notice("Ctrl-Alt-Del was pressed more than 7 times within 2s, rebooting immediately.");
1772 status_printf(NULL, true, false, "Ctrl-Alt-Del was pressed more than 7 times within 2s, rebooting immediately.");
1773 m->exit_code = MANAGER_REBOOT;
1774 }
1775
663996b3
MS
1776 break;
1777 }
1778
1779 /* Run the exit target if there is one, if not, just exit. */
1780 if (manager_start_target(m, SPECIAL_EXIT_TARGET, JOB_REPLACE) < 0) {
1781 m->exit_code = MANAGER_EXIT;
1782 return 0;
1783 }
1784
1785 break;
1786
1787 case SIGWINCH:
e3bff60a 1788 if (m->running_as == MANAGER_SYSTEM)
663996b3
MS
1789 manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE);
1790
1791 /* This is a nop on non-init */
1792 break;
1793
1794 case SIGPWR:
e3bff60a 1795 if (m->running_as == MANAGER_SYSTEM)
663996b3
MS
1796 manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE);
1797
1798 /* This is a nop on non-init */
1799 break;
1800
1801 case SIGUSR1: {
1802 Unit *u;
1803
1804 u = manager_get_unit(m, SPECIAL_DBUS_SERVICE);
1805
1806 if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) {
1807 log_info("Trying to reconnect to bus...");
1808 bus_init(m, true);
1809 }
1810
1811 if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) {
1812 log_info("Loading D-Bus service...");
1813 manager_start_target(m, SPECIAL_DBUS_SERVICE, JOB_REPLACE);
1814 }
1815
1816 break;
1817 }
1818
1819 case SIGUSR2: {
60f067b4
JS
1820 _cleanup_free_ char *dump = NULL;
1821 _cleanup_fclose_ FILE *f = NULL;
663996b3
MS
1822 size_t size;
1823
60f067b4
JS
1824 f = open_memstream(&dump, &size);
1825 if (!f) {
5fd56512 1826 log_warning_errno(errno, "Failed to allocate memory stream: %m");
663996b3
MS
1827 break;
1828 }
1829
1830 manager_dump_units(m, f, "\t");
1831 manager_dump_jobs(m, f, "\t");
1832
5fd56512
MP
1833 r = fflush_and_check(f);
1834 if (r < 0) {
1835 log_warning_errno(r, "Failed to write status stream: %m");
60f067b4
JS
1836 break;
1837 }
663996b3 1838
60f067b4 1839 log_dump(LOG_INFO, dump);
663996b3
MS
1840 break;
1841 }
1842
1843 case SIGHUP:
1844 m->exit_code = MANAGER_RELOAD;
1845 break;
1846
1847 default: {
1848
1849 /* Starting SIGRTMIN+0 */
1850 static const char * const target_table[] = {
1851 [0] = SPECIAL_DEFAULT_TARGET,
1852 [1] = SPECIAL_RESCUE_TARGET,
1853 [2] = SPECIAL_EMERGENCY_TARGET,
1854 [3] = SPECIAL_HALT_TARGET,
1855 [4] = SPECIAL_POWEROFF_TARGET,
1856 [5] = SPECIAL_REBOOT_TARGET,
1857 [6] = SPECIAL_KEXEC_TARGET
1858 };
1859
1860 /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */
1861 static const ManagerExitCode code_table[] = {
1862 [0] = MANAGER_HALT,
1863 [1] = MANAGER_POWEROFF,
1864 [2] = MANAGER_REBOOT,
1865 [3] = MANAGER_KEXEC
1866 };
1867
1868 if ((int) sfsi.ssi_signo >= SIGRTMIN+0 &&
1869 (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) {
1870 int idx = (int) sfsi.ssi_signo - SIGRTMIN;
1871 manager_start_target(m, target_table[idx],
1872 (idx == 1 || idx == 2) ? JOB_ISOLATE : JOB_REPLACE);
1873 break;
1874 }
1875
1876 if ((int) sfsi.ssi_signo >= SIGRTMIN+13 &&
1877 (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(code_table)) {
1878 m->exit_code = code_table[sfsi.ssi_signo - SIGRTMIN - 13];
1879 break;
1880 }
1881
1882 switch (sfsi.ssi_signo - SIGRTMIN) {
1883
1884 case 20:
60f067b4 1885 manager_set_show_status(m, SHOW_STATUS_YES);
663996b3
MS
1886 break;
1887
1888 case 21:
60f067b4 1889 manager_set_show_status(m, SHOW_STATUS_NO);
663996b3
MS
1890 break;
1891
1892 case 22:
1893 log_set_max_level(LOG_DEBUG);
4c89c718 1894 log_info("Setting log level to debug.");
663996b3
MS
1895 break;
1896
1897 case 23:
1898 log_set_max_level(LOG_INFO);
4c89c718 1899 log_info("Setting log level to info.");
663996b3
MS
1900 break;
1901
1902 case 24:
e3bff60a 1903 if (m->running_as == MANAGER_USER) {
663996b3
MS
1904 m->exit_code = MANAGER_EXIT;
1905 return 0;
1906 }
1907
1908 /* This is a nop on init */
1909 break;
1910
1911 case 26:
5eef597e 1912 case 29: /* compatibility: used to be mapped to LOG_TARGET_SYSLOG_OR_KMSG */
663996b3
MS
1913 log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
1914 log_notice("Setting log target to journal-or-kmsg.");
1915 break;
1916
1917 case 27:
1918 log_set_target(LOG_TARGET_CONSOLE);
1919 log_notice("Setting log target to console.");
1920 break;
1921
1922 case 28:
1923 log_set_target(LOG_TARGET_KMSG);
1924 log_notice("Setting log target to kmsg.");
1925 break;
1926
663996b3
MS
1927 default:
1928 log_warning("Got unhandled signal <%s>.", signal_to_string(sfsi.ssi_signo));
1929 }
1930 }
1931 }
1932 }
1933
1934 if (sigchld)
60f067b4 1935 manager_dispatch_sigchld(m);
663996b3
MS
1936
1937 return 0;
1938}
1939
60f067b4
JS
1940static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1941 Manager *m = userdata;
1942 Iterator i;
1943 Unit *u;
663996b3
MS
1944
1945 assert(m);
60f067b4 1946 assert(m->time_change_fd == fd);
663996b3 1947
60f067b4 1948 log_struct(LOG_INFO,
f47781d8
MP
1949 LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE),
1950 LOG_MESSAGE("Time has been changed"),
60f067b4 1951 NULL);
663996b3 1952
60f067b4
JS
1953 /* Restart the watch */
1954 m->time_change_event_source = sd_event_source_unref(m->time_change_event_source);
1955 m->time_change_fd = safe_close(m->time_change_fd);
663996b3 1956
60f067b4 1957 manager_setup_time_change(m);
663996b3 1958
60f067b4
JS
1959 HASHMAP_FOREACH(u, m->units, i)
1960 if (UNIT_VTABLE(u)->time_change)
1961 UNIT_VTABLE(u)->time_change(u);
663996b3 1962
60f067b4
JS
1963 return 0;
1964}
663996b3 1965
60f067b4
JS
1966static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) {
1967 Manager *m = userdata;
663996b3 1968
60f067b4
JS
1969 assert(m);
1970 assert(m->idle_pipe[2] == fd);
663996b3 1971
60f067b4 1972 m->no_console_output = m->n_on_console > 0;
663996b3 1973
60f067b4 1974 manager_close_idle_pipe(m);
663996b3 1975
60f067b4
JS
1976 return 0;
1977}
663996b3 1978
60f067b4
JS
1979static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) {
1980 Manager *m = userdata;
1981 int r;
1982 uint64_t next;
663996b3 1983
60f067b4
JS
1984 assert(m);
1985 assert(source);
14228c0d 1986
60f067b4 1987 manager_print_jobs_in_progress(m);
14228c0d 1988
60f067b4
JS
1989 next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_PERIOD_USEC;
1990 r = sd_event_source_set_time(source, next);
1991 if (r < 0)
1992 return r;
663996b3 1993
60f067b4 1994 return sd_event_source_set_enabled(source, SD_EVENT_ONESHOT);
663996b3
MS
1995}
1996
1997int manager_loop(Manager *m) {
1998 int r;
1999
2000 RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000);
2001
2002 assert(m);
60f067b4 2003 m->exit_code = MANAGER_OK;
663996b3
MS
2004
2005 /* Release the path cache */
db2df898 2006 m->unit_path_cache = set_free_free(m->unit_path_cache);
663996b3
MS
2007
2008 manager_check_finished(m);
2009
2010 /* There might still be some zombies hanging around from
60f067b4 2011 * before we were exec()'ed. Let's reap them. */
663996b3
MS
2012 r = manager_dispatch_sigchld(m);
2013 if (r < 0)
2014 return r;
2015
60f067b4
JS
2016 while (m->exit_code == MANAGER_OK) {
2017 usec_t wait_usec;
663996b3 2018
e3bff60a 2019 if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM)
663996b3
MS
2020 watchdog_ping();
2021
2022 if (!ratelimit_test(&rl)) {
2023 /* Yay, something is going seriously wrong, pause a little */
2024 log_warning("Looping too fast. Throttling execution a little.");
2025 sleep(1);
663996b3
MS
2026 }
2027
2028 if (manager_dispatch_load_queue(m) > 0)
2029 continue;
2030
14228c0d 2031 if (manager_dispatch_gc_queue(m) > 0)
663996b3
MS
2032 continue;
2033
14228c0d 2034 if (manager_dispatch_cleanup_queue(m) > 0)
663996b3
MS
2035 continue;
2036
14228c0d 2037 if (manager_dispatch_cgroup_queue(m) > 0)
663996b3
MS
2038 continue;
2039
663996b3
MS
2040 if (manager_dispatch_dbus_queue(m) > 0)
2041 continue;
2042
663996b3 2043 /* Sleep for half the watchdog time */
e3bff60a 2044 if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) {
60f067b4
JS
2045 wait_usec = m->runtime_watchdog / 2;
2046 if (wait_usec <= 0)
2047 wait_usec = 1;
663996b3 2048 } else
5eef597e 2049 wait_usec = USEC_INFINITY;
663996b3 2050
60f067b4 2051 r = sd_event_run(m->event, wait_usec);
f47781d8
MP
2052 if (r < 0)
2053 return log_error_errno(r, "Failed to run event loop: %m");
663996b3
MS
2054 }
2055
2056 return m->exit_code;
2057}
2058
60f067b4 2059int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u) {
14228c0d 2060 _cleanup_free_ char *n = NULL;
663996b3
MS
2061 Unit *u;
2062 int r;
2063
2064 assert(m);
2065 assert(s);
2066 assert(_u);
2067
14228c0d
MB
2068 r = unit_name_from_dbus_path(s, &n);
2069 if (r < 0)
2070 return r;
663996b3
MS
2071
2072 r = manager_load_unit(m, n, NULL, e, &u);
663996b3
MS
2073 if (r < 0)
2074 return r;
2075
2076 *_u = u;
2077
2078 return 0;
2079}
2080
2081int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) {
60f067b4 2082 const char *p;
663996b3 2083 unsigned id;
60f067b4 2084 Job *j;
663996b3
MS
2085 int r;
2086
2087 assert(m);
2088 assert(s);
2089 assert(_j);
2090
60f067b4
JS
2091 p = startswith(s, "/org/freedesktop/systemd1/job/");
2092 if (!p)
663996b3
MS
2093 return -EINVAL;
2094
60f067b4 2095 r = safe_atou(p, &id);
663996b3
MS
2096 if (r < 0)
2097 return r;
2098
2099 j = manager_get_job(m, id);
2100 if (!j)
2101 return -ENOENT;
2102
2103 *_j = j;
2104
2105 return 0;
2106}
2107
2108void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
2109
2110#ifdef HAVE_AUDIT
60f067b4 2111 _cleanup_free_ char *p = NULL;
f47781d8 2112 const char *msg;
e3bff60a 2113 int audit_fd, r;
663996b3 2114
db2df898
MP
2115 if (m->running_as != MANAGER_SYSTEM)
2116 return;
2117
663996b3
MS
2118 audit_fd = get_audit_fd();
2119 if (audit_fd < 0)
2120 return;
2121
2122 /* Don't generate audit events if the service was already
2123 * started and we're just deserializing */
2124 if (m->n_reloading > 0)
2125 return;
2126
663996b3
MS
2127 if (u->type != UNIT_SERVICE)
2128 return;
2129
e3bff60a
MP
2130 r = unit_name_to_prefix_and_instance(u->id, &p);
2131 if (r < 0) {
2132 log_error_errno(r, "Failed to extract prefix and instance of unit name: %m");
663996b3
MS
2133 return;
2134 }
2135
e735f4d4 2136 msg = strjoina("unit=", p);
f47781d8
MP
2137 if (audit_log_user_comm_message(audit_fd, type, msg, "systemd", NULL, NULL, NULL, success) < 0) {
2138 if (errno == EPERM)
663996b3
MS
2139 /* We aren't allowed to send audit messages?
2140 * Then let's not retry again. */
2141 close_audit_fd();
f47781d8
MP
2142 else
2143 log_warning_errno(errno, "Failed to send audit message: %m");
663996b3 2144 }
663996b3
MS
2145#endif
2146
2147}
2148
2149void manager_send_unit_plymouth(Manager *m, Unit *u) {
5eef597e 2150 union sockaddr_union sa = PLYMOUTH_SOCKET;
60f067b4 2151
663996b3 2152 int n = 0;
60f067b4
JS
2153 _cleanup_free_ char *message = NULL;
2154 _cleanup_close_ int fd = -1;
663996b3
MS
2155
2156 /* Don't generate plymouth events if the service was already
2157 * started and we're just deserializing */
2158 if (m->n_reloading > 0)
2159 return;
2160
e3bff60a 2161 if (m->running_as != MANAGER_SYSTEM)
663996b3
MS
2162 return;
2163
6300502b 2164 if (detect_container() > 0)
60f067b4
JS
2165 return;
2166
663996b3
MS
2167 if (u->type != UNIT_SERVICE &&
2168 u->type != UNIT_MOUNT &&
2169 u->type != UNIT_SWAP)
2170 return;
2171
2172 /* We set SOCK_NONBLOCK here so that we rather drop the
2173 * message then wait for plymouth */
2174 fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
2175 if (fd < 0) {
f47781d8 2176 log_error_errno(errno, "socket() failed: %m");
663996b3
MS
2177 return;
2178 }
2179
663996b3
MS
2180 if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) {
2181
60f067b4 2182 if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
f47781d8 2183 log_error_errno(errno, "connect() failed: %m");
60f067b4 2184 return;
663996b3
MS
2185 }
2186
2187 if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) {
2188 log_oom();
60f067b4 2189 return;
663996b3
MS
2190 }
2191
2192 errno = 0;
60f067b4
JS
2193 if (write(fd, message, n + 1) != n + 1)
2194 if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED))
f47781d8 2195 log_error_errno(errno, "Failed to write Plymouth message: %m");
663996b3
MS
2196}
2197
663996b3 2198int manager_open_serialization(Manager *m, FILE **_f) {
60f067b4
JS
2199 const char *path;
2200 int fd = -1;
663996b3
MS
2201 FILE *f;
2202
2203 assert(_f);
2204
e3bff60a 2205 path = m->running_as == MANAGER_SYSTEM ? "/run/systemd" : "/tmp";
60f067b4
JS
2206 fd = open_tmpfile(path, O_RDWR|O_CLOEXEC);
2207 if (fd < 0)
663996b3 2208 return -errno;
663996b3
MS
2209
2210 log_debug("Serializing state to %s", path);
663996b3
MS
2211
2212 f = fdopen(fd, "w+");
60f067b4
JS
2213 if (!f) {
2214 safe_close(fd);
663996b3 2215 return -errno;
60f067b4 2216 }
663996b3
MS
2217
2218 *_f = f;
2219
2220 return 0;
2221}
2222
2223int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root) {
2224 Iterator i;
2225 Unit *u;
2226 const char *t;
2227 char **e;
2228 int r;
2229
2230 assert(m);
2231 assert(f);
2232 assert(fds);
2233
2234 m->n_reloading ++;
2235
e735f4d4 2236 fprintf(f, "current-job-id=%"PRIu32"\n", m->current_job_id);
663996b3
MS
2237 fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr));
2238 fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs);
2239 fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs);
2240
2241 dual_timestamp_serialize(f, "firmware-timestamp", &m->firmware_timestamp);
663996b3 2242 dual_timestamp_serialize(f, "loader-timestamp", &m->loader_timestamp);
60f067b4 2243 dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp);
663996b3
MS
2244 dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp);
2245
2246 if (!in_initrd()) {
2247 dual_timestamp_serialize(f, "userspace-timestamp", &m->userspace_timestamp);
2248 dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp);
60f067b4
JS
2249 dual_timestamp_serialize(f, "security-start-timestamp", &m->security_start_timestamp);
2250 dual_timestamp_serialize(f, "security-finish-timestamp", &m->security_finish_timestamp);
2251 dual_timestamp_serialize(f, "generators-start-timestamp", &m->generators_start_timestamp);
2252 dual_timestamp_serialize(f, "generators-finish-timestamp", &m->generators_finish_timestamp);
2253 dual_timestamp_serialize(f, "units-load-start-timestamp", &m->units_load_start_timestamp);
2254 dual_timestamp_serialize(f, "units-load-finish-timestamp", &m->units_load_finish_timestamp);
663996b3
MS
2255 }
2256
2257 if (!switching_root) {
2258 STRV_FOREACH(e, m->environment) {
2259 _cleanup_free_ char *ce;
2260
2261 ce = cescape(*e);
60f067b4
JS
2262 if (!ce)
2263 return -ENOMEM;
2264
2265 fprintf(f, "env=%s\n", *e);
663996b3
MS
2266 }
2267 }
2268
60f067b4
JS
2269 if (m->notify_fd >= 0) {
2270 int copy;
2271
2272 copy = fdset_put_dup(fds, m->notify_fd);
2273 if (copy < 0)
2274 return copy;
2275
2276 fprintf(f, "notify-fd=%i\n", copy);
2277 fprintf(f, "notify-socket=%s\n", m->notify_socket);
2278 }
2279
2280 if (m->kdbus_fd >= 0) {
2281 int copy;
2282
2283 copy = fdset_put_dup(fds, m->kdbus_fd);
2284 if (copy < 0)
2285 return copy;
2286
2287 fprintf(f, "kdbus-fd=%i\n", copy);
2288 }
2289
2290 bus_track_serialize(m->subscribed, f);
14228c0d 2291
663996b3
MS
2292 fputc('\n', f);
2293
2294 HASHMAP_FOREACH_KEY(u, t, m->units, i) {
2295 if (u->id != t)
2296 continue;
2297
663996b3
MS
2298 /* Start marker */
2299 fputs(u->id, f);
2300 fputc('\n', f);
2301
14228c0d
MB
2302 r = unit_serialize(u, f, fds, !switching_root);
2303 if (r < 0) {
663996b3
MS
2304 m->n_reloading --;
2305 return r;
2306 }
2307 }
2308
2309 assert(m->n_reloading > 0);
2310 m->n_reloading --;
2311
2312 if (ferror(f))
2313 return -EIO;
2314
2315 r = bus_fdset_add_all(m, fds);
2316 if (r < 0)
2317 return r;
2318
2319 return 0;
2320}
2321
2322int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
2323 int r = 0;
2324
2325 assert(m);
2326 assert(f);
2327
2328 log_debug("Deserializing state...");
2329
2330 m->n_reloading ++;
2331
2332 for (;;) {
2333 char line[LINE_MAX], *l;
2334
2335 if (!fgets(line, sizeof(line), f)) {
2336 if (feof(f))
2337 r = 0;
2338 else
2339 r = -errno;
2340
2341 goto finish;
2342 }
2343
2344 char_array_0(line);
2345 l = strstrip(line);
2346
2347 if (l[0] == 0)
2348 break;
2349
2350 if (startswith(l, "current-job-id=")) {
2351 uint32_t id;
2352
2353 if (safe_atou32(l+15, &id) < 0)
f47781d8 2354 log_debug("Failed to parse current job id value %s", l+15);
663996b3
MS
2355 else
2356 m->current_job_id = MAX(m->current_job_id, id);
60f067b4 2357
663996b3
MS
2358 } else if (startswith(l, "n-installed-jobs=")) {
2359 uint32_t n;
2360
2361 if (safe_atou32(l+17, &n) < 0)
f47781d8 2362 log_debug("Failed to parse installed jobs counter %s", l+17);
663996b3
MS
2363 else
2364 m->n_installed_jobs += n;
60f067b4 2365
663996b3
MS
2366 } else if (startswith(l, "n-failed-jobs=")) {
2367 uint32_t n;
2368
2369 if (safe_atou32(l+14, &n) < 0)
f47781d8 2370 log_debug("Failed to parse failed jobs counter %s", l+14);
663996b3
MS
2371 else
2372 m->n_failed_jobs += n;
60f067b4 2373
663996b3
MS
2374 } else if (startswith(l, "taint-usr=")) {
2375 int b;
2376
60f067b4
JS
2377 b = parse_boolean(l+10);
2378 if (b < 0)
f47781d8 2379 log_debug("Failed to parse taint /usr flag %s", l+10);
663996b3
MS
2380 else
2381 m->taint_usr = m->taint_usr || b;
60f067b4 2382
663996b3
MS
2383 } else if (startswith(l, "firmware-timestamp="))
2384 dual_timestamp_deserialize(l+19, &m->firmware_timestamp);
2385 else if (startswith(l, "loader-timestamp="))
2386 dual_timestamp_deserialize(l+17, &m->loader_timestamp);
2387 else if (startswith(l, "kernel-timestamp="))
2388 dual_timestamp_deserialize(l+17, &m->kernel_timestamp);
2389 else if (startswith(l, "initrd-timestamp="))
2390 dual_timestamp_deserialize(l+17, &m->initrd_timestamp);
2391 else if (startswith(l, "userspace-timestamp="))
2392 dual_timestamp_deserialize(l+20, &m->userspace_timestamp);
2393 else if (startswith(l, "finish-timestamp="))
2394 dual_timestamp_deserialize(l+17, &m->finish_timestamp);
60f067b4
JS
2395 else if (startswith(l, "security-start-timestamp="))
2396 dual_timestamp_deserialize(l+25, &m->security_start_timestamp);
2397 else if (startswith(l, "security-finish-timestamp="))
2398 dual_timestamp_deserialize(l+26, &m->security_finish_timestamp);
2399 else if (startswith(l, "generators-start-timestamp="))
2400 dual_timestamp_deserialize(l+27, &m->generators_start_timestamp);
2401 else if (startswith(l, "generators-finish-timestamp="))
2402 dual_timestamp_deserialize(l+28, &m->generators_finish_timestamp);
2403 else if (startswith(l, "units-load-start-timestamp="))
2404 dual_timestamp_deserialize(l+27, &m->units_load_start_timestamp);
2405 else if (startswith(l, "units-load-finish-timestamp="))
2406 dual_timestamp_deserialize(l+28, &m->units_load_finish_timestamp);
663996b3
MS
2407 else if (startswith(l, "env=")) {
2408 _cleanup_free_ char *uce = NULL;
2409 char **e;
2410
e3bff60a
MP
2411 r = cunescape(l + 4, UNESCAPE_RELAX, &uce);
2412 if (r < 0)
663996b3 2413 goto finish;
663996b3
MS
2414
2415 e = strv_env_set(m->environment, uce);
2416 if (!e) {
2417 r = -ENOMEM;
2418 goto finish;
2419 }
2420
2421 strv_free(m->environment);
2422 m->environment = e;
60f067b4
JS
2423
2424 } else if (startswith(l, "notify-fd=")) {
2425 int fd;
2426
2427 if (safe_atoi(l + 10, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
f47781d8 2428 log_debug("Failed to parse notify fd: %s", l + 10);
60f067b4
JS
2429 else {
2430 m->notify_event_source = sd_event_source_unref(m->notify_event_source);
2431 safe_close(m->notify_fd);
2432 m->notify_fd = fdset_remove(fds, fd);
2433 }
2434
2435 } else if (startswith(l, "notify-socket=")) {
2436 char *n;
2437
2438 n = strdup(l+14);
2439 if (!n) {
2440 r = -ENOMEM;
2441 goto finish;
2442 }
2443
2444 free(m->notify_socket);
2445 m->notify_socket = n;
2446
2447 } else if (startswith(l, "kdbus-fd=")) {
2448 int fd;
2449
2450 if (safe_atoi(l + 9, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
f47781d8 2451 log_debug("Failed to parse kdbus fd: %s", l + 9);
60f067b4
JS
2452 else {
2453 safe_close(m->kdbus_fd);
2454 m->kdbus_fd = fdset_remove(fds, fd);
2455 }
2456
f47781d8
MP
2457 } else {
2458 int k;
2459
2460 k = bus_track_deserialize_item(&m->deserialized_subscribed, l);
2461 if (k < 0)
2462 log_debug_errno(k, "Failed to deserialize bus tracker object: %m");
2463 else if (k == 0)
2464 log_debug("Unknown serialization item '%s'", l);
2465 }
663996b3
MS
2466 }
2467
2468 for (;;) {
2469 Unit *u;
2470 char name[UNIT_NAME_MAX+2];
2471
2472 /* Start marker */
2473 if (!fgets(name, sizeof(name), f)) {
2474 if (feof(f))
2475 r = 0;
2476 else
2477 r = -errno;
2478
2479 goto finish;
2480 }
2481
2482 char_array_0(name);
2483
2484 r = manager_load_unit(m, strstrip(name), NULL, NULL, &u);
2485 if (r < 0)
2486 goto finish;
2487
2488 r = unit_deserialize(u, f, fds);
2489 if (r < 0)
2490 goto finish;
2491 }
2492
2493finish:
60f067b4 2494 if (ferror(f))
663996b3 2495 r = -EIO;
663996b3
MS
2496
2497 assert(m->n_reloading > 0);
2498 m->n_reloading --;
2499
2500 return r;
2501}
2502
663996b3
MS
2503int manager_reload(Manager *m) {
2504 int r, q;
60f067b4
JS
2505 _cleanup_fclose_ FILE *f = NULL;
2506 _cleanup_fdset_free_ FDSet *fds = NULL;
663996b3
MS
2507
2508 assert(m);
2509
2510 r = manager_open_serialization(m, &f);
2511 if (r < 0)
2512 return r;
2513
2514 m->n_reloading ++;
60f067b4 2515 bus_manager_send_reloading(m, true);
663996b3
MS
2516
2517 fds = fdset_new();
2518 if (!fds) {
2519 m->n_reloading --;
60f067b4 2520 return -ENOMEM;
663996b3
MS
2521 }
2522
2523 r = manager_serialize(m, f, fds, false);
2524 if (r < 0) {
2525 m->n_reloading --;
60f067b4 2526 return r;
663996b3
MS
2527 }
2528
2529 if (fseeko(f, 0, SEEK_SET) < 0) {
2530 m->n_reloading --;
60f067b4 2531 return -errno;
663996b3
MS
2532 }
2533
2534 /* From here on there is no way back. */
2535 manager_clear_jobs_and_units(m);
2536 manager_undo_generators(m);
2537 lookup_paths_free(&m->lookup_paths);
2538
2539 /* Find new unit paths */
e735f4d4
MP
2540 q = manager_run_generators(m);
2541 if (q < 0 && r >= 0)
2542 r = q;
663996b3
MS
2543
2544 q = lookup_paths_init(
2545 &m->lookup_paths, m->running_as, true,
60f067b4 2546 NULL,
663996b3
MS
2547 m->generator_unit_path,
2548 m->generator_unit_path_early,
2549 m->generator_unit_path_late);
e735f4d4 2550 if (q < 0 && r >= 0)
663996b3
MS
2551 r = q;
2552
2553 manager_build_unit_path_cache(m);
2554
2555 /* First, enumerate what we can from all config files */
db2df898 2556 manager_enumerate(m);
663996b3
MS
2557
2558 /* Second, deserialize our stored data */
2559 q = manager_deserialize(m, f, fds);
e735f4d4 2560 if (q < 0 && r >= 0)
663996b3
MS
2561 r = q;
2562
2563 fclose(f);
2564 f = NULL;
2565
60f067b4
JS
2566 /* Re-register notify_fd as event source */
2567 q = manager_setup_notify(m);
e735f4d4 2568 if (q < 0 && r >= 0)
60f067b4
JS
2569 r = q;
2570
663996b3 2571 /* Third, fire things up! */
e3bff60a 2572 manager_coldplug(m);
663996b3 2573
4c89c718
MP
2574 /* Sync current state of bus names with our set of listening units */
2575 if (m->api_bus)
2576 manager_sync_bus_names(m, m->api_bus);
2577
663996b3
MS
2578 assert(m->n_reloading > 0);
2579 m->n_reloading--;
2580
14228c0d
MB
2581 m->send_reloading_done = true;
2582
663996b3
MS
2583 return r;
2584}
2585
663996b3
MS
2586bool manager_is_reloading_or_reexecuting(Manager *m) {
2587 assert(m);
2588
2589 return m->n_reloading != 0;
2590}
2591
2592void manager_reset_failed(Manager *m) {
2593 Unit *u;
2594 Iterator i;
2595
2596 assert(m);
2597
2598 HASHMAP_FOREACH(u, m->units, i)
2599 unit_reset_failed(u);
2600}
2601
2602bool manager_unit_inactive_or_pending(Manager *m, const char *name) {
2603 Unit *u;
2604
2605 assert(m);
2606 assert(name);
2607
2608 /* Returns true if the unit is inactive or going down */
2609 u = manager_get_unit(m, name);
2610 if (!u)
2611 return true;
2612
2613 return unit_inactive_or_pending(u);
2614}
2615
f47781d8 2616static void manager_notify_finished(Manager *m) {
663996b3
MS
2617 char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX];
2618 usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec;
60f067b4 2619
f47781d8 2620 if (m->test_run)
663996b3
MS
2621 return;
2622
6300502b 2623 if (m->running_as == MANAGER_SYSTEM && detect_container() <= 0) {
663996b3
MS
2624
2625 /* Note that m->kernel_usec.monotonic is always at 0,
2626 * and m->firmware_usec.monotonic and
2627 * m->loader_usec.monotonic should be considered
2628 * negative values. */
2629
2630 firmware_usec = m->firmware_timestamp.monotonic - m->loader_timestamp.monotonic;
2631 loader_usec = m->loader_timestamp.monotonic - m->kernel_timestamp.monotonic;
2632 userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic;
2633 total_usec = m->firmware_timestamp.monotonic + m->finish_timestamp.monotonic;
2634
2635 if (dual_timestamp_is_set(&m->initrd_timestamp)) {
2636
2637 kernel_usec = m->initrd_timestamp.monotonic - m->kernel_timestamp.monotonic;
2638 initrd_usec = m->userspace_timestamp.monotonic - m->initrd_timestamp.monotonic;
2639
5eef597e 2640 log_struct(LOG_INFO,
f47781d8 2641 LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
5eef597e
MP
2642 "KERNEL_USEC="USEC_FMT, kernel_usec,
2643 "INITRD_USEC="USEC_FMT, initrd_usec,
2644 "USERSPACE_USEC="USEC_FMT, userspace_usec,
f47781d8
MP
2645 LOG_MESSAGE("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.",
2646 format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
2647 format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC),
2648 format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
2649 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
5eef597e 2650 NULL);
663996b3
MS
2651 } else {
2652 kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic;
2653 initrd_usec = 0;
2654
663996b3 2655 log_struct(LOG_INFO,
f47781d8 2656 LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
5eef597e 2657 "KERNEL_USEC="USEC_FMT, kernel_usec,
60f067b4 2658 "USERSPACE_USEC="USEC_FMT, userspace_usec,
f47781d8
MP
2659 LOG_MESSAGE("Startup finished in %s (kernel) + %s (userspace) = %s.",
2660 format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC),
2661 format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC),
2662 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
663996b3 2663 NULL);
5eef597e
MP
2664 }
2665 } else {
2666 firmware_usec = loader_usec = initrd_usec = kernel_usec = 0;
2667 total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic;
2668
2669 log_struct(LOG_INFO,
f47781d8 2670 LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED),
5eef597e 2671 "USERSPACE_USEC="USEC_FMT, userspace_usec,
f47781d8
MP
2672 LOG_MESSAGE("Startup finished in %s.",
2673 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)),
5eef597e 2674 NULL);
663996b3
MS
2675 }
2676
60f067b4 2677 bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec);
663996b3
MS
2678
2679 sd_notifyf(false,
5eef597e
MP
2680 "READY=1\n"
2681 "STATUS=Startup finished in %s.",
663996b3
MS
2682 format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC));
2683}
2684
f47781d8 2685void manager_check_finished(Manager *m) {
f47781d8
MP
2686 assert(m);
2687
e3bff60a
MP
2688 if (m->n_reloading > 0)
2689 return;
2690
2691 /* Verify that we are actually running currently. Initially
2692 * the exit code is set to invalid, and during operation it is
2693 * then set to MANAGER_OK */
2694 if (m->exit_code != MANAGER_OK)
2695 return;
2696
f47781d8 2697 if (hashmap_size(m->jobs) > 0) {
f47781d8 2698 if (m->jobs_in_progress_event_source)
e3bff60a 2699 /* Ignore any failure, this is only for feedback */
6300502b 2700 (void) sd_event_source_set_time(m->jobs_in_progress_event_source, now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC);
f47781d8
MP
2701
2702 return;
2703 }
2704
2705 manager_flip_auto_status(m, false);
2706
2707 /* Notify Type=idle units that we are done now */
f47781d8
MP
2708 manager_close_idle_pipe(m);
2709
2710 /* Turn off confirm spawn now */
2711 m->confirm_spawn = false;
2712
2713 /* No need to update ask password status when we're going non-interactive */
2714 manager_close_ask_password(m);
2715
2716 /* This is no longer the first boot */
2717 manager_set_first_boot(m, false);
2718
2719 if (dual_timestamp_is_set(&m->finish_timestamp))
2720 return;
2721
2722 dual_timestamp_get(&m->finish_timestamp);
2723
2724 manager_notify_finished(m);
2725
6300502b 2726 manager_invalidate_startup_units(m);
f47781d8
MP
2727}
2728
663996b3
MS
2729static int create_generator_dir(Manager *m, char **generator, const char *name) {
2730 char *p;
2731 int r;
2732
2733 assert(m);
2734 assert(generator);
2735 assert(name);
2736
2737 if (*generator)
2738 return 0;
2739
e3bff60a 2740 if (m->running_as == MANAGER_SYSTEM && getpid() == 1) {
60f067b4 2741 /* systemd --system, not running --test */
663996b3
MS
2742
2743 p = strappend("/run/systemd/", name);
2744 if (!p)
2745 return log_oom();
2746
60f067b4
JS
2747 r = mkdir_p_label(p, 0755);
2748 if (r < 0) {
f47781d8 2749 log_error_errno(r, "Failed to create generator directory %s: %m", p);
60f067b4
JS
2750 free(p);
2751 return r;
2752 }
e3bff60a 2753 } else if (m->running_as == MANAGER_USER) {
60f067b4
JS
2754 const char *s = NULL;
2755
2756 s = getenv("XDG_RUNTIME_DIR");
2757 if (!s)
2758 return -EINVAL;
2759 p = strjoin(s, "/systemd/", name, NULL);
2760 if (!p)
2761 return log_oom();
2762
663996b3
MS
2763 r = mkdir_p_label(p, 0755);
2764 if (r < 0) {
f47781d8 2765 log_error_errno(r, "Failed to create generator directory %s: %m", p);
663996b3
MS
2766 free(p);
2767 return r;
2768 }
2769 } else {
60f067b4
JS
2770 /* systemd --system --test */
2771
663996b3
MS
2772 p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL);
2773 if (!p)
2774 return log_oom();
2775
2776 if (!mkdtemp(p)) {
db2df898 2777 log_error_errno(errno, "Failed to create generator directory %s: %m", p);
663996b3
MS
2778 free(p);
2779 return -errno;
2780 }
2781 }
2782
2783 *generator = p;
2784 return 0;
2785}
2786
2787static void trim_generator_dir(Manager *m, char **generator) {
2788 assert(m);
2789 assert(generator);
2790
2791 if (!*generator)
2792 return;
2793
6300502b
MP
2794 if (rmdir(*generator) >= 0)
2795 *generator = mfree(*generator);
663996b3
MS
2796
2797 return;
2798}
2799
e735f4d4 2800static int manager_run_generators(Manager *m) {
e3bff60a 2801 _cleanup_strv_free_ char **paths = NULL;
663996b3 2802 const char *argv[5];
e735f4d4 2803 char **path;
663996b3
MS
2804 int r;
2805
2806 assert(m);
2807
5eef597e 2808 if (m->test_run)
e735f4d4 2809 return 0;
663996b3 2810
e735f4d4
MP
2811 paths = generator_paths(m->running_as);
2812 if (!paths)
2813 return log_oom();
2814
2815 /* Optimize by skipping the whole process by not creating output directories
2816 * if no generators are found. */
2817 STRV_FOREACH(path, paths) {
2818 r = access(*path, F_OK);
2819 if (r == 0)
2820 goto found;
2821 if (errno != ENOENT)
2822 log_warning_errno(errno, "Failed to open generator directory %s: %m", *path);
663996b3 2823 }
e735f4d4 2824 return 0;
663996b3 2825
e735f4d4 2826 found:
663996b3
MS
2827 r = create_generator_dir(m, &m->generator_unit_path, "generator");
2828 if (r < 0)
2829 goto finish;
2830
2831 r = create_generator_dir(m, &m->generator_unit_path_early, "generator.early");
2832 if (r < 0)
2833 goto finish;
2834
2835 r = create_generator_dir(m, &m->generator_unit_path_late, "generator.late");
2836 if (r < 0)
2837 goto finish;
2838
2839 argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */
2840 argv[1] = m->generator_unit_path;
2841 argv[2] = m->generator_unit_path_early;
2842 argv[3] = m->generator_unit_path_late;
2843 argv[4] = NULL;
2844
60f067b4 2845 RUN_WITH_UMASK(0022)
e735f4d4 2846 execute_directories((const char* const*) paths, DEFAULT_TIMEOUT_USEC, (char**) argv);
663996b3 2847
60f067b4 2848finish:
663996b3
MS
2849 trim_generator_dir(m, &m->generator_unit_path);
2850 trim_generator_dir(m, &m->generator_unit_path_early);
2851 trim_generator_dir(m, &m->generator_unit_path_late);
e735f4d4 2852 return r;
663996b3
MS
2853}
2854
2855static void remove_generator_dir(Manager *m, char **generator) {
2856 assert(m);
2857 assert(generator);
2858
2859 if (!*generator)
2860 return;
2861
2862 strv_remove(m->lookup_paths.unit_path, *generator);
e3bff60a 2863 (void) rm_rf(*generator, REMOVE_ROOT);
663996b3 2864
6300502b 2865 *generator = mfree(*generator);
663996b3
MS
2866}
2867
e735f4d4 2868static void manager_undo_generators(Manager *m) {
663996b3
MS
2869 assert(m);
2870
2871 remove_generator_dir(m, &m->generator_unit_path);
2872 remove_generator_dir(m, &m->generator_unit_path_early);
2873 remove_generator_dir(m, &m->generator_unit_path_late);
2874}
2875
60f067b4
JS
2876int manager_environment_add(Manager *m, char **minus, char **plus) {
2877 char **a = NULL, **b = NULL, **l;
663996b3
MS
2878 assert(m);
2879
60f067b4 2880 l = m->environment;
663996b3 2881
60f067b4
JS
2882 if (!strv_isempty(minus)) {
2883 a = strv_env_delete(l, 1, minus);
2884 if (!a)
2885 return -ENOMEM;
2886
2887 l = a;
2888 }
2889
2890 if (!strv_isempty(plus)) {
2891 b = strv_env_merge(2, l, plus);
5eef597e
MP
2892 if (!b) {
2893 strv_free(a);
60f067b4 2894 return -ENOMEM;
5eef597e 2895 }
60f067b4
JS
2896
2897 l = b;
2898 }
2899
2900 if (m->environment != l)
2901 strv_free(m->environment);
2902 if (a != l)
2903 strv_free(a);
2904 if (b != l)
2905 strv_free(b);
2906
2907 m->environment = l;
2908 manager_clean_environment(m);
2909 strv_sort(m->environment);
663996b3
MS
2910
2911 return 0;
2912}
2913
2914int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) {
2915 int i;
2916
2917 assert(m);
2918
60f067b4 2919 for (i = 0; i < _RLIMIT_MAX; i++) {
4c89c718
MP
2920 m->rlimit[i] = mfree(m->rlimit[i]);
2921
663996b3
MS
2922 if (!default_rlimit[i])
2923 continue;
2924
2925 m->rlimit[i] = newdup(struct rlimit, default_rlimit[i], 1);
2926 if (!m->rlimit[i])
2927 return -ENOMEM;
2928 }
2929
2930 return 0;
2931}
2932
2933void manager_recheck_journal(Manager *m) {
2934 Unit *u;
2935
2936 assert(m);
2937
e3bff60a 2938 if (m->running_as != MANAGER_SYSTEM)
663996b3
MS
2939 return;
2940
2941 u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET);
2942 if (u && SOCKET(u)->state != SOCKET_RUNNING) {
2943 log_close_journal();
2944 return;
2945 }
2946
2947 u = manager_get_unit(m, SPECIAL_JOURNALD_SERVICE);
2948 if (u && SERVICE(u)->state != SERVICE_RUNNING) {
2949 log_close_journal();
2950 return;
2951 }
2952
2953 /* Hmm, OK, so the socket is fully up and the service is up
2954 * too, then let's make use of the thing. */
2955 log_open();
2956}
2957
60f067b4 2958void manager_set_show_status(Manager *m, ShowStatus mode) {
663996b3 2959 assert(m);
60f067b4 2960 assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY));
663996b3 2961
e3bff60a 2962 if (m->running_as != MANAGER_SYSTEM)
663996b3
MS
2963 return;
2964
4c89c718
MP
2965 if (m->show_status != mode)
2966 log_debug("%s showing of status.",
2967 mode == SHOW_STATUS_NO ? "Disabling" : "Enabling");
60f067b4 2968 m->show_status = mode;
663996b3 2969
60f067b4 2970 if (mode > 0)
db2df898 2971 (void) touch("/run/systemd/show-status");
663996b3 2972 else
db2df898 2973 (void) unlink("/run/systemd/show-status");
663996b3
MS
2974}
2975
5eef597e 2976static bool manager_get_show_status(Manager *m, StatusType type) {
663996b3
MS
2977 assert(m);
2978
e3bff60a 2979 if (m->running_as != MANAGER_SYSTEM)
663996b3
MS
2980 return false;
2981
14228c0d
MB
2982 if (m->no_console_output)
2983 return false;
2984
5eef597e
MP
2985 if (!IN_SET(manager_state(m), MANAGER_INITIALIZING, MANAGER_STARTING, MANAGER_STOPPING))
2986 return false;
2987
2988 /* If we cannot find out the status properly, just proceed. */
2989 if (type != STATUS_TYPE_EMERGENCY && manager_check_ask_password(m) > 0)
60f067b4
JS
2990 return false;
2991
2992 if (m->show_status > 0)
663996b3
MS
2993 return true;
2994
e3bff60a 2995 return false;
663996b3
MS
2996}
2997
5eef597e
MP
2998void manager_set_first_boot(Manager *m, bool b) {
2999 assert(m);
3000
e3bff60a 3001 if (m->running_as != MANAGER_SYSTEM)
5eef597e
MP
3002 return;
3003
d9dfd233
MP
3004 if (m->first_boot != (int) b) {
3005 if (b)
3006 (void) touch("/run/systemd/first-boot");
3007 else
3008 (void) unlink("/run/systemd/first-boot");
3009 }
5eef597e 3010
d9dfd233 3011 m->first_boot = b;
5eef597e
MP
3012}
3013
3014void manager_status_printf(Manager *m, StatusType type, const char *status, const char *format, ...) {
663996b3
MS
3015 va_list ap;
3016
f47781d8
MP
3017 /* If m is NULL, assume we're after shutdown and let the messages through. */
3018
3019 if (m && !manager_get_show_status(m, type))
663996b3
MS
3020 return;
3021
3022 /* XXX We should totally drop the check for ephemeral here
3023 * and thus effectively make 'Type=idle' pointless. */
f47781d8 3024 if (type == STATUS_TYPE_EPHEMERAL && m && m->n_on_console > 0)
663996b3
MS
3025 return;
3026
663996b3 3027 va_start(ap, format);
5eef597e 3028 status_vprintf(status, true, type == STATUS_TYPE_EPHEMERAL, format, ap);
663996b3
MS
3029 va_end(ap);
3030}
3031
14228c0d
MB
3032Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) {
3033 char p[strlen(path)+1];
3034
3035 assert(m);
3036 assert(path);
3037
3038 strcpy(p, path);
3039 path_kill_slashes(p);
3040
3041 return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p);
3042}
3043
60f067b4
JS
3044const char *manager_get_runtime_prefix(Manager *m) {
3045 assert(m);
3046
e3bff60a 3047 return m->running_as == MANAGER_SYSTEM ?
60f067b4
JS
3048 "/run" :
3049 getenv("XDG_RUNTIME_DIR");
3050}
3051
6300502b 3052int manager_update_failed_units(Manager *m, Unit *u, bool failed) {
e3bff60a 3053 unsigned size;
6300502b 3054 int r;
e3bff60a
MP
3055
3056 assert(m);
3057 assert(u->manager == m);
3058
3059 size = set_size(m->failed_units);
3060
3061 if (failed) {
6300502b
MP
3062 r = set_ensure_allocated(&m->failed_units, NULL);
3063 if (r < 0)
3064 return log_oom();
3065
e3bff60a 3066 if (set_put(m->failed_units, u) < 0)
6300502b 3067 return log_oom();
e3bff60a 3068 } else
6300502b 3069 (void) set_remove(m->failed_units, u);
e3bff60a
MP
3070
3071 if (set_size(m->failed_units) != size)
3072 bus_manager_send_change_signal(m);
6300502b
MP
3073
3074 return 0;
e3bff60a
MP
3075}
3076
60f067b4
JS
3077ManagerState manager_state(Manager *m) {
3078 Unit *u;
3079
3080 assert(m);
3081
3082 /* Did we ever finish booting? If not then we are still starting up */
5eef597e
MP
3083 if (!dual_timestamp_is_set(&m->finish_timestamp)) {
3084
3085 u = manager_get_unit(m, SPECIAL_BASIC_TARGET);
3086 if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u)))
3087 return MANAGER_INITIALIZING;
3088
60f067b4 3089 return MANAGER_STARTING;
5eef597e 3090 }
663996b3 3091
60f067b4
JS
3092 /* Is the special shutdown target queued? If so, we are in shutdown state */
3093 u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET);
4c89c718 3094 if (u && u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_RELOAD_OR_START))
60f067b4
JS
3095 return MANAGER_STOPPING;
3096
3097 /* Are the rescue or emergency targets active or queued? If so we are in maintenance state */
3098 u = manager_get_unit(m, SPECIAL_RESCUE_TARGET);
3099 if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
4c89c718 3100 (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_RELOAD_OR_START))))
60f067b4
JS
3101 return MANAGER_MAINTENANCE;
3102
3103 u = manager_get_unit(m, SPECIAL_EMERGENCY_TARGET);
3104 if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) ||
4c89c718 3105 (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_RELOAD_OR_START))))
60f067b4
JS
3106 return MANAGER_MAINTENANCE;
3107
3108 /* Are there any failed units? If so, we are in degraded mode */
3109 if (set_size(m->failed_units) > 0)
3110 return MANAGER_DEGRADED;
3111
3112 return MANAGER_RUNNING;
663996b3 3113}
60f067b4
JS
3114
3115static const char *const manager_state_table[_MANAGER_STATE_MAX] = {
5eef597e 3116 [MANAGER_INITIALIZING] = "initializing",
60f067b4
JS
3117 [MANAGER_STARTING] = "starting",
3118 [MANAGER_RUNNING] = "running",
3119 [MANAGER_DEGRADED] = "degraded",
3120 [MANAGER_MAINTENANCE] = "maintenance",
3121 [MANAGER_STOPPING] = "stopping",
3122};
3123
3124DEFINE_STRING_TABLE_LOOKUP(manager_state, ManagerState);