]> git.proxmox.com Git - systemd.git/blob - src/core/main.c
projects / systemd.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Imported Upstream version 218
[systemd.git] / src / core / main.c
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 /***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
17
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 ***/
21
22 #include <stdio.h>
23 #include <errno.h>
24 #include <string.h>
25 #include <unistd.h>
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 #include <getopt.h>
29 #include <signal.h>
30 #include <sys/wait.h>
31 #include <fcntl.h>
32 #include <sys/prctl.h>
33 #include <sys/mount.h>
34
35 #ifdef HAVE_VALGRIND_VALGRIND_H
36 #include <valgrind/valgrind.h>
37 #endif
38 #ifdef HAVE_SECCOMP
39 #include <seccomp.h>
40 #endif
41
42 #include "sd-daemon.h"
43 #include "sd-messages.h"
44 #include "sd-bus.h"
45 #include "manager.h"
46 #include "log.h"
47 #include "load-fragment.h"
48 #include "fdset.h"
49 #include "special.h"
50 #include "conf-parser.h"
51 #include "missing.h"
52 #include "label.h"
53 #include "pager.h"
54 #include "build.h"
55 #include "strv.h"
56 #include "def.h"
57 #include "virt.h"
58 #include "architecture.h"
59 #include "watchdog.h"
60 #include "path-util.h"
61 #include "switch-root.h"
62 #include "capability.h"
63 #include "killall.h"
64 #include "env-util.h"
65 #include "clock-util.h"
66 #include "fileio.h"
67 #include "dbus-manager.h"
68 #include "bus-error.h"
69 #include "bus-util.h"
70
71 #include "mount-setup.h"
72 #include "loopback-setup.h"
73 #include "hostname-setup.h"
74 #include "machine-id-setup.h"
75 #include "selinux-setup.h"
76 #include "ima-setup.h"
77 #include "smack-setup.h"
78 #include "kmod-setup.h"
79
80 static enum {
81 ACTION_RUN,
82 ACTION_HELP,
83 ACTION_VERSION,
84 ACTION_TEST,
85 ACTION_DUMP_CONFIGURATION_ITEMS,
86 ACTION_DONE
87 } arg_action = ACTION_RUN;
88 static char *arg_default_unit = NULL;
89 static SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
90 static bool arg_dump_core = true;
91 static bool arg_crash_shell = false;
92 static int arg_crash_chvt = -1;
93 static bool arg_confirm_spawn = false;
94 static ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
95 static bool arg_switched_root = false;
96 static int arg_no_pager = -1;
97 static char ***arg_join_controllers = NULL;
98 static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
99 static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
100 static usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC;
101 static usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC;
102 static usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
103 static usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL;
104 static unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST;
105 static usec_t arg_runtime_watchdog = 0;
106 static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
107 static char **arg_default_environment = NULL;
108 static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
109 static uint64_t arg_capability_bounding_set_drop = 0;
110 static nsec_t arg_timer_slack_nsec = NSEC_INFINITY;
111 static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
112 static Set* arg_syscall_archs = NULL;
113 static FILE* arg_serialization = NULL;
114 static bool arg_default_cpu_accounting = false;
115 static bool arg_default_blockio_accounting = false;
116 static bool arg_default_memory_accounting = false;
117
118 static void nop_handler(int sig) {}
119
120 static void pager_open_if_enabled(void) {
121
122 if (arg_no_pager <= 0)
123 return;
124
125 pager_open(false);
126 }
127
128 noreturn static void crash(int sig) {
129
130 if (getpid() != 1)
131 /* Pass this on immediately, if this is not PID 1 */
132 raise(sig);
133 else if (!arg_dump_core)
134 log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig));
135 else {
136 struct sigaction sa = {
137 .sa_handler = nop_handler,
138 .sa_flags = SA_NOCLDSTOP|SA_RESTART,
139 };
140 pid_t pid;
141
142 /* We want to wait for the core process, hence let's enable SIGCHLD */
143 sigaction(SIGCHLD, &sa, NULL);
144
145 pid = fork();
146 if (pid < 0)
147 log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
148
149 else if (pid == 0) {
150 struct rlimit rl = {};
151
152 /* Enable default signal handler for core dump */
153 zero(sa);
154 sa.sa_handler = SIG_DFL;
155 sigaction(sig, &sa, NULL);
156
157 /* Don't limit the core dump size */
158 rl.rlim_cur = RLIM_INFINITY;
159 rl.rlim_max = RLIM_INFINITY;
160 setrlimit(RLIMIT_CORE, &rl);
161
162 /* Just to be sure... */
163 chdir("/");
164
165 /* Raise the signal again */
166 raise(sig);
167
168 assert_not_reached("We shouldn't be here...");
169 _exit(1);
170
171 } else {
172 siginfo_t status;
173 int r;
174
175 /* Order things nicely. */
176 r = wait_for_terminate(pid, &status);
177 if (r < 0)
178 log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig));
179 else if (status.si_code != CLD_DUMPED)
180 log_emergency("Caught <%s>, core dump failed.", signal_to_string(sig));
181 else
182 log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
183 }
184 }
185
186 if (arg_crash_chvt)
187 chvt(arg_crash_chvt);
188
189 if (arg_crash_shell) {
190 struct sigaction sa = {
191 .sa_handler = SIG_IGN,
192 .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART,
193 };
194 pid_t pid;
195
196 log_info("Executing crash shell in 10s...");
197 sleep(10);
198
199 /* Let the kernel reap children for us */
200 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
201
202 pid = fork();
203 if (pid < 0)
204 log_emergency_errno(errno, "Failed to fork off crash shell: %m");
205 else if (pid == 0) {
206 make_console_stdio();
207 execl("/bin/sh", "/bin/sh", NULL);
208
209 log_emergency_errno(errno, "execl() failed: %m");
210 _exit(1);
211 }
212
213 log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
214 }
215
216 log_emergency("Freezing execution.");
217 freeze();
218 }
219
220 static void install_crash_handler(void) {
221 struct sigaction sa = {
222 .sa_handler = crash,
223 .sa_flags = SA_NODEFER,
224 };
225
226 sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
227 }
228
229 static int console_setup(void) {
230 _cleanup_close_ int tty_fd = -1;
231 int r;
232
233 tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
234 if (tty_fd < 0)
235 return log_error_errno(tty_fd, "Failed to open /dev/console: %m");
236
237 /* We don't want to force text mode. plymouth may be showing
238 * pictures already from initrd. */
239 r = reset_terminal_fd(tty_fd, false);
240 if (r < 0)
241 return log_error_errno(r, "Failed to reset /dev/console: %m");
242
243 return 0;
244 }
245
246 static int set_default_unit(const char *u) {
247 char *c;
248
249 assert(u);
250
251 c = strdup(u);
252 if (!c)
253 return -ENOMEM;
254
255 free(arg_default_unit);
256 arg_default_unit = c;
257
258 return 0;
259 }
260
261 static int parse_proc_cmdline_item(const char *key, const char *value) {
262
263 static const char * const rlmap[] = {
264 "emergency", SPECIAL_EMERGENCY_TARGET,
265 "-b", SPECIAL_EMERGENCY_TARGET,
266 "rescue", SPECIAL_RESCUE_TARGET,
267 "single", SPECIAL_RESCUE_TARGET,
268 "-s", SPECIAL_RESCUE_TARGET,
269 "s", SPECIAL_RESCUE_TARGET,
270 "S", SPECIAL_RESCUE_TARGET,
271 "1", SPECIAL_RESCUE_TARGET,
272 "2", SPECIAL_RUNLEVEL2_TARGET,
273 "3", SPECIAL_RUNLEVEL3_TARGET,
274 "4", SPECIAL_RUNLEVEL4_TARGET,
275 "5", SPECIAL_RUNLEVEL5_TARGET,
276 };
277 int r;
278
279 assert(key);
280
281 if (streq(key, "systemd.unit") && value) {
282
283 if (!in_initrd())
284 return set_default_unit(value);
285
286 } else if (streq(key, "rd.systemd.unit") && value) {
287
288 if (in_initrd())
289 return set_default_unit(value);
290
291 } else if (streq(key, "systemd.dump_core") && value) {
292
293 r = parse_boolean(value);
294 if (r < 0)
295 log_warning("Failed to parse dump core switch %s. Ignoring.", value);
296 else
297 arg_dump_core = r;
298
299 } else if (streq(key, "systemd.crash_shell") && value) {
300
301 r = parse_boolean(value);
302 if (r < 0)
303 log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
304 else
305 arg_crash_shell = r;
306
307 } else if (streq(key, "systemd.crash_chvt") && value) {
308
309 if (safe_atoi(value, &r) < 0)
310 log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
311 else
312 arg_crash_chvt = r;
313
314 } else if (streq(key, "systemd.confirm_spawn") && value) {
315
316 r = parse_boolean(value);
317 if (r < 0)
318 log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
319 else
320 arg_confirm_spawn = r;
321
322 } else if (streq(key, "systemd.show_status") && value) {
323
324 r = parse_show_status(value, &arg_show_status);
325 if (r < 0)
326 log_warning("Failed to parse show status switch %s. Ignoring.", value);
327
328 } else if (streq(key, "systemd.default_standard_output") && value) {
329
330 r = exec_output_from_string(value);
331 if (r < 0)
332 log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
333 else
334 arg_default_std_output = r;
335
336 } else if (streq(key, "systemd.default_standard_error") && value) {
337
338 r = exec_output_from_string(value);
339 if (r < 0)
340 log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
341 else
342 arg_default_std_error = r;
343
344 } else if (streq(key, "systemd.setenv") && value) {
345
346 if (env_assignment_is_valid(value)) {
347 char **env;
348
349 env = strv_env_set(arg_default_environment, value);
350 if (env)
351 arg_default_environment = env;
352 else
353 log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value);
354 } else
355 log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
356
357 } else if (streq(key, "quiet") && !value) {
358
359 log_set_max_level(LOG_NOTICE);
360
361 if (arg_show_status == _SHOW_STATUS_UNSET)
362 arg_show_status = SHOW_STATUS_AUTO;
363
364 } else if (streq(key, "debug") && !value) {
365
366 /* Note that log_parse_environment() handles 'debug'
367 * too, and sets the log level to LOG_DEBUG. */
368
369 if (detect_container(NULL) > 0)
370 log_set_target(LOG_TARGET_CONSOLE);
371
372 } else if (!in_initrd() && !value) {
373 unsigned i;
374
375 /* SysV compatibility */
376 for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
377 if (streq(key, rlmap[i]))
378 return set_default_unit(rlmap[i+1]);
379 }
380
381 return 0;
382 }
383
384 #define DEFINE_SETTER(name, func, descr) \
385 static int name(const char *unit, \
386 const char *filename, \
387 unsigned line, \
388 const char *section, \
389 unsigned section_line, \
390 const char *lvalue, \
391 int ltype, \
392 const char *rvalue, \
393 void *data, \
394 void *userdata) { \
395 \
396 int r; \
397 \
398 assert(filename); \
399 assert(lvalue); \
400 assert(rvalue); \
401 \
402 r = func(rvalue); \
403 if (r < 0) \
404 log_syntax(unit, LOG_ERR, filename, line, -r, \
405 "Invalid " descr "'%s': %s", \
406 rvalue, strerror(-r)); \
407 \
408 return 0; \
409 }
410
411 DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level")
412 DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target")
413 DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
414 DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
415
416 static int config_parse_cpu_affinity2(
417 const char *unit,
418 const char *filename,
419 unsigned line,
420 const char *section,
421 unsigned section_line,
422 const char *lvalue,
423 int ltype,
424 const char *rvalue,
425 void *data,
426 void *userdata) {
427
428 const char *word, *state;
429 size_t l;
430 cpu_set_t *c = NULL;
431 unsigned ncpus = 0;
432
433 assert(filename);
434 assert(lvalue);
435 assert(rvalue);
436
437 FOREACH_WORD_QUOTED(word, l, rvalue, state) {
438 char *t;
439 int r;
440 unsigned cpu;
441
442 if (!(t = strndup(word, l)))
443 return log_oom();
444
445 r = safe_atou(t, &cpu);
446 free(t);
447
448 if (!c)
449 if (!(c = cpu_set_malloc(&ncpus)))
450 return log_oom();
451
452 if (r < 0 || cpu >= ncpus) {
453 log_syntax(unit, LOG_ERR, filename, line, -r,
454 "Failed to parse CPU affinity '%s'", rvalue);
455 CPU_FREE(c);
456 return -EBADMSG;
457 }
458
459 CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
460 }
461 if (!isempty(state))
462 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
463 "Trailing garbage, ignoring.");
464
465 if (c) {
466 if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
467 log_unit_warning(unit, "Failed to set CPU affinity: %m");
468
469 CPU_FREE(c);
470 }
471
472 return 0;
473 }
474
475 static int config_parse_show_status(
476 const char* unit,
477 const char *filename,
478 unsigned line,
479 const char *section,
480 unsigned section_line,
481 const char *lvalue,
482 int ltype,
483 const char *rvalue,
484 void *data,
485 void *userdata) {
486
487 int k;
488 ShowStatus *b = data;
489
490 assert(filename);
491 assert(lvalue);
492 assert(rvalue);
493 assert(data);
494
495 k = parse_show_status(rvalue, b);
496 if (k < 0) {
497 log_syntax(unit, LOG_ERR, filename, line, -k,
498 "Failed to parse show status setting, ignoring: %s", rvalue);
499 return 0;
500 }
501
502 return 0;
503 }
504
505 static void strv_free_free(char ***l) {
506 char ***i;
507
508 if (!l)
509 return;
510
511 for (i = l; *i; i++)
512 strv_free(*i);
513
514 free(l);
515 }
516
517 static void free_join_controllers(void) {
518 strv_free_free(arg_join_controllers);
519 arg_join_controllers = NULL;
520 }
521
522 static int config_parse_join_controllers(const char *unit,
523 const char *filename,
524 unsigned line,
525 const char *section,
526 unsigned section_line,
527 const char *lvalue,
528 int ltype,
529 const char *rvalue,
530 void *data,
531 void *userdata) {
532
533 unsigned n = 0;
534 const char *word, *state;
535 size_t length;
536
537 assert(filename);
538 assert(lvalue);
539 assert(rvalue);
540
541 free_join_controllers();
542
543 FOREACH_WORD_QUOTED(word, length, rvalue, state) {
544 char *s, **l;
545
546 s = strndup(word, length);
547 if (!s)
548 return log_oom();
549
550 l = strv_split(s, ",");
551 free(s);
552
553 strv_uniq(l);
554
555 if (strv_length(l) <= 1) {
556 strv_free(l);
557 continue;
558 }
559
560 if (!arg_join_controllers) {
561 arg_join_controllers = new(char**, 2);
562 if (!arg_join_controllers) {
563 strv_free(l);
564 return log_oom();
565 }
566
567 arg_join_controllers[0] = l;
568 arg_join_controllers[1] = NULL;
569
570 n = 1;
571 } else {
572 char ***a;
573 char ***t;
574
575 t = new0(char**, n+2);
576 if (!t) {
577 strv_free(l);
578 return log_oom();
579 }
580
581 n = 0;
582
583 for (a = arg_join_controllers; *a; a++) {
584
585 if (strv_overlap(*a, l)) {
586 if (strv_extend_strv(&l, *a) < 0) {
587 strv_free(l);
588 strv_free_free(t);
589 return log_oom();
590 }
591
592 } else {
593 char **c;
594
595 c = strv_copy(*a);
596 if (!c) {
597 strv_free(l);
598 strv_free_free(t);
599 return log_oom();
600 }
601
602 t[n++] = c;
603 }
604 }
605
606 t[n++] = strv_uniq(l);
607
608 strv_free_free(arg_join_controllers);
609 arg_join_controllers = t;
610 }
611 }
612 if (!isempty(state))
613 log_syntax(unit, LOG_ERR, filename, line, EINVAL,
614 "Trailing garbage, ignoring.");
615
616 return 0;
617 }
618
619 static int parse_config_file(void) {
620
621 const ConfigTableItem items[] = {
622 { "Manager", "LogLevel", config_parse_level2, 0, NULL },
623 { "Manager", "LogTarget", config_parse_target, 0, NULL },
624 { "Manager", "LogColor", config_parse_color, 0, NULL },
625 { "Manager", "LogLocation", config_parse_location, 0, NULL },
626 { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
627 { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
628 { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
629 { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
630 { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
631 { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
632 { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
633 { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
634 { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
635 #ifdef HAVE_SECCOMP
636 { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
637 #endif
638 { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
639 { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
640 { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
641 { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
642 { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
643 { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
644 { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
645 { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
646 { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
647 { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
648 { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
649 { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
650 { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
651 { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
652 { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
653 { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
654 { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
655 { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
656 { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
657 { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
658 { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
659 { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
660 { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
661 { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
662 { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
663 { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
664 { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
665 { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
666 { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
667 {}
668 };
669
670 const char *fn, *conf_dirs_nulstr;
671
672 fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
673 conf_dirs_nulstr = arg_running_as == SYSTEMD_SYSTEM ? CONF_DIRS_NULSTR("systemd/system.conf") : CONF_DIRS_NULSTR("systemd/user.conf");
674 config_parse_many(fn, conf_dirs_nulstr, "Manager\0",
675 config_item_table_lookup, items, false, NULL);
676
677 return 0;
678 }
679
680 static int parse_argv(int argc, char *argv[]) {
681
682 enum {
683 ARG_LOG_LEVEL = 0x100,
684 ARG_LOG_TARGET,
685 ARG_LOG_COLOR,
686 ARG_LOG_LOCATION,
687 ARG_UNIT,
688 ARG_SYSTEM,
689 ARG_USER,
690 ARG_TEST,
691 ARG_NO_PAGER,
692 ARG_VERSION,
693 ARG_DUMP_CONFIGURATION_ITEMS,
694 ARG_DUMP_CORE,
695 ARG_CRASH_SHELL,
696 ARG_CONFIRM_SPAWN,
697 ARG_SHOW_STATUS,
698 ARG_DESERIALIZE,
699 ARG_SWITCHED_ROOT,
700 ARG_DEFAULT_STD_OUTPUT,
701 ARG_DEFAULT_STD_ERROR
702 };
703
704 static const struct option options[] = {
705 { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
706 { "log-target", required_argument, NULL, ARG_LOG_TARGET },
707 { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
708 { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
709 { "unit", required_argument, NULL, ARG_UNIT },
710 { "system", no_argument, NULL, ARG_SYSTEM },
711 { "user", no_argument, NULL, ARG_USER },
712 { "test", no_argument, NULL, ARG_TEST },
713 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
714 { "help", no_argument, NULL, 'h' },
715 { "version", no_argument, NULL, ARG_VERSION },
716 { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
717 { "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
718 { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
719 { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
720 { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
721 { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
722 { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
723 { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
724 { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
725 {}
726 };
727
728 int c, r;
729
730 assert(argc >= 1);
731 assert(argv);
732
733 if (getpid() == 1)
734 opterr = 0;
735
736 while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
737
738 switch (c) {
739
740 case ARG_LOG_LEVEL:
741 r = log_set_max_level_from_string(optarg);
742 if (r < 0) {
743 log_error("Failed to parse log level %s.", optarg);
744 return r;
745 }
746
747 break;
748
749 case ARG_LOG_TARGET:
750 r = log_set_target_from_string(optarg);
751 if (r < 0) {
752 log_error("Failed to parse log target %s.", optarg);
753 return r;
754 }
755
756 break;
757
758 case ARG_LOG_COLOR:
759
760 if (optarg) {
761 r = log_show_color_from_string(optarg);
762 if (r < 0) {
763 log_error("Failed to parse log color setting %s.", optarg);
764 return r;
765 }
766 } else
767 log_show_color(true);
768
769 break;
770
771 case ARG_LOG_LOCATION:
772 if (optarg) {
773 r = log_show_location_from_string(optarg);
774 if (r < 0) {
775 log_error("Failed to parse log location setting %s.", optarg);
776 return r;
777 }
778 } else
779 log_show_location(true);
780
781 break;
782
783 case ARG_DEFAULT_STD_OUTPUT:
784 r = exec_output_from_string(optarg);
785 if (r < 0) {
786 log_error("Failed to parse default standard output setting %s.", optarg);
787 return r;
788 } else
789 arg_default_std_output = r;
790 break;
791
792 case ARG_DEFAULT_STD_ERROR:
793 r = exec_output_from_string(optarg);
794 if (r < 0) {
795 log_error("Failed to parse default standard error output setting %s.", optarg);
796 return r;
797 } else
798 arg_default_std_error = r;
799 break;
800
801 case ARG_UNIT:
802
803 r = set_default_unit(optarg);
804 if (r < 0)
805 return log_error_errno(r, "Failed to set default unit %s: %m", optarg);
806
807 break;
808
809 case ARG_SYSTEM:
810 arg_running_as = SYSTEMD_SYSTEM;
811 break;
812
813 case ARG_USER:
814 arg_running_as = SYSTEMD_USER;
815 break;
816
817 case ARG_TEST:
818 arg_action = ACTION_TEST;
819 if (arg_no_pager < 0)
820 arg_no_pager = true;
821 break;
822
823 case ARG_NO_PAGER:
824 arg_no_pager = true;
825 break;
826
827 case ARG_VERSION:
828 arg_action = ACTION_VERSION;
829 break;
830
831 case ARG_DUMP_CONFIGURATION_ITEMS:
832 arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
833 break;
834
835 case ARG_DUMP_CORE:
836 r = optarg ? parse_boolean(optarg) : 1;
837 if (r < 0) {
838 log_error("Failed to parse dump core boolean %s.", optarg);
839 return r;
840 }
841 arg_dump_core = r;
842 break;
843
844 case ARG_CRASH_SHELL:
845 r = optarg ? parse_boolean(optarg) : 1;
846 if (r < 0) {
847 log_error("Failed to parse crash shell boolean %s.", optarg);
848 return r;
849 }
850 arg_crash_shell = r;
851 break;
852
853 case ARG_CONFIRM_SPAWN:
854 r = optarg ? parse_boolean(optarg) : 1;
855 if (r < 0) {
856 log_error("Failed to parse confirm spawn boolean %s.", optarg);
857 return r;
858 }
859 arg_confirm_spawn = r;
860 break;
861
862 case ARG_SHOW_STATUS:
863 if (optarg) {
864 r = parse_show_status(optarg, &arg_show_status);
865 if (r < 0) {
866 log_error("Failed to parse show status boolean %s.", optarg);
867 return r;
868 }
869 } else
870 arg_show_status = SHOW_STATUS_YES;
871 break;
872
873 case ARG_DESERIALIZE: {
874 int fd;
875 FILE *f;
876
877 r = safe_atoi(optarg, &fd);
878 if (r < 0 || fd < 0) {
879 log_error("Failed to parse deserialize option %s.", optarg);
880 return r < 0 ? r : -EINVAL;
881 }
882
883 fd_cloexec(fd, true);
884
885 f = fdopen(fd, "r");
886 if (!f)
887 return log_error_errno(errno, "Failed to open serialization fd: %m");
888
889 if (arg_serialization)
890 fclose(arg_serialization);
891
892 arg_serialization = f;
893
894 break;
895 }
896
897 case ARG_SWITCHED_ROOT:
898 arg_switched_root = true;
899 break;
900
901 case 'h':
902 arg_action = ACTION_HELP;
903 if (arg_no_pager < 0)
904 arg_no_pager = true;
905 break;
906
907 case 'D':
908 log_set_max_level(LOG_DEBUG);
909 break;
910
911 case 'b':
912 case 's':
913 case 'z':
914 /* Just to eat away the sysvinit kernel
915 * cmdline args without getopt() error
916 * messages that we'll parse in
917 * parse_proc_cmdline_word() or ignore. */
918
919 case '?':
920 if (getpid() != 1)
921 return -EINVAL;
922 else
923 return 0;
924
925 default:
926 assert_not_reached("Unhandled option code.");
927 }
928
929 if (optind < argc && getpid() != 1) {
930 /* Hmm, when we aren't run as init system
931 * let's complain about excess arguments */
932
933 log_error("Excess arguments.");
934 return -EINVAL;
935 }
936
937 return 0;
938 }
939
940 static int help(void) {
941
942 printf("%s [OPTIONS...]\n\n"
943 "Starts up and maintains the system or user services.\n\n"
944 " -h --help Show this help\n"
945 " --test Determine startup sequence, dump it and exit\n"
946 " --no-pager Do not pipe output into a pager\n"
947 " --dump-configuration-items Dump understood unit configuration items\n"
948 " --unit=UNIT Set default unit\n"
949 " --system Run a system instance, even if PID != 1\n"
950 " --user Run a user instance\n"
951 " --dump-core[=0|1] Dump core on crash\n"
952 " --crash-shell[=0|1] Run shell on crash\n"
953 " --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n"
954 " --show-status[=0|1] Show status updates on the console during bootup\n"
955 " --log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)\n"
956 " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
957 " --log-color[=0|1] Highlight important log messages\n"
958 " --log-location[=0|1] Include code location in log messages\n"
959 " --default-standard-output= Set default standard output for services\n"
960 " --default-standard-error= Set default standard error output for services\n",
961 program_invocation_short_name);
962
963 return 0;
964 }
965
966 static int version(void) {
967 puts(PACKAGE_STRING);
968 puts(SYSTEMD_FEATURES);
969
970 return 0;
971 }
972
973 static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) {
974 FILE *f = NULL;
975 FDSet *fds = NULL;
976 int r;
977
978 assert(m);
979 assert(_f);
980 assert(_fds);
981
982 r = manager_open_serialization(m, &f);
983 if (r < 0) {
984 log_error_errno(r, "Failed to create serialization file: %m");
985 goto fail;
986 }
987
988 /* Make sure nothing is really destructed when we shut down */
989 m->n_reloading ++;
990 bus_manager_send_reloading(m, true);
991
992 fds = fdset_new();
993 if (!fds) {
994 r = -ENOMEM;
995 log_error_errno(r, "Failed to allocate fd set: %m");
996 goto fail;
997 }
998
999 r = manager_serialize(m, f, fds, switching_root);
1000 if (r < 0) {
1001 log_error_errno(r, "Failed to serialize state: %m");
1002 goto fail;
1003 }
1004
1005 if (fseeko(f, 0, SEEK_SET) < 0) {
1006 log_error_errno(errno, "Failed to rewind serialization fd: %m");
1007 goto fail;
1008 }
1009
1010 r = fd_cloexec(fileno(f), false);
1011 if (r < 0) {
1012 log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m");
1013 goto fail;
1014 }
1015
1016 r = fdset_cloexec(fds, false);
1017 if (r < 0) {
1018 log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m");
1019 goto fail;
1020 }
1021
1022 *_f = f;
1023 *_fds = fds;
1024
1025 return 0;
1026
1027 fail:
1028 fdset_free(fds);
1029
1030 if (f)
1031 fclose(f);
1032
1033 return r;
1034 }
1035
1036 static int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
1037 struct rlimit nl;
1038 int r;
1039
1040 assert(saved_rlimit);
1041
1042 /* Save the original RLIMIT_NOFILE so that we can reset it
1043 * later when transitioning from the initrd to the main
1044 * systemd or suchlike. */
1045 if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0)
1046 return log_error_errno(errno, "Reading RLIMIT_NOFILE failed: %m");
1047
1048 /* Make sure forked processes get the default kernel setting */
1049 if (!arg_default_rlimit[RLIMIT_NOFILE]) {
1050 struct rlimit *rl;
1051
1052 rl = newdup(struct rlimit, saved_rlimit, 1);
1053 if (!rl)
1054 return log_oom();
1055
1056 arg_default_rlimit[RLIMIT_NOFILE] = rl;
1057 }
1058
1059 /* Bump up the resource limit for ourselves substantially */
1060 nl.rlim_cur = nl.rlim_max = 64*1024;
1061 r = setrlimit_closest(RLIMIT_NOFILE, &nl);
1062 if (r < 0)
1063 return log_error_errno(r, "Setting RLIMIT_NOFILE failed: %m");
1064
1065 return 0;
1066 }
1067
1068 static void test_mtab(void) {
1069
1070 static const char ok[] =
1071 "/proc/self/mounts\0"
1072 "/proc/mounts\0"
1073 "../proc/self/mounts\0"
1074 "../proc/mounts\0";
1075
1076 _cleanup_free_ char *p = NULL;
1077 int r;
1078
1079 /* Check that /etc/mtab is a symlink to the right place or
1080 * non-existing. But certainly not a file, or a symlink to
1081 * some weird place... */
1082
1083 r = readlink_malloc("/etc/mtab", &p);
1084 if (r == -ENOENT)
1085 return;
1086 if (r >= 0 && nulstr_contains(ok, p))
1087 return;
1088
1089 log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
1090 "This is not supported anymore. "
1091 "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
1092 }
1093
1094 static void test_usr(void) {
1095
1096 /* Check that /usr is not a separate fs */
1097
1098 if (dir_is_empty("/usr") <= 0)
1099 return;
1100
1101 log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
1102 "Some things will probably break (sometimes even silently) in mysterious ways. "
1103 "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
1104 }
1105
1106 static int initialize_join_controllers(void) {
1107 /* By default, mount "cpu" + "cpuacct" together, and "net_cls"
1108 * + "net_prio". We'd like to add "cpuset" to the mix, but
1109 * "cpuset" does't really work for groups with no initialized
1110 * attributes. */
1111
1112 arg_join_controllers = new(char**, 3);
1113 if (!arg_join_controllers)
1114 return -ENOMEM;
1115
1116 arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL);
1117 arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL);
1118 arg_join_controllers[2] = NULL;
1119
1120 if (!arg_join_controllers[0] || !arg_join_controllers[1]) {
1121 free_join_controllers();
1122 return -ENOMEM;
1123 }
1124
1125 return 0;
1126 }
1127
1128 static int enforce_syscall_archs(Set *archs) {
1129 #ifdef HAVE_SECCOMP
1130 scmp_filter_ctx *seccomp;
1131 Iterator i;
1132 void *id;
1133 int r;
1134
1135 seccomp = seccomp_init(SCMP_ACT_ALLOW);
1136 if (!seccomp)
1137 return log_oom();
1138
1139 SET_FOREACH(id, arg_syscall_archs, i) {
1140 r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
1141 if (r == -EEXIST)
1142 continue;
1143 if (r < 0) {
1144 log_error_errno(r, "Failed to add architecture to seccomp: %m");
1145 goto finish;
1146 }
1147 }
1148
1149 r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
1150 if (r < 0) {
1151 log_error_errno(r, "Failed to unset NO_NEW_PRIVS: %m");
1152 goto finish;
1153 }
1154
1155 r = seccomp_load(seccomp);
1156 if (r < 0)
1157 log_error_errno(r, "Failed to add install architecture seccomp: %m");
1158
1159 finish:
1160 seccomp_release(seccomp);
1161 return r;
1162 #else
1163 return 0;
1164 #endif
1165 }
1166
1167 static int status_welcome(void) {
1168 _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
1169 int r;
1170
1171 r = parse_env_file("/etc/os-release", NEWLINE,
1172 "PRETTY_NAME", &pretty_name,
1173 "ANSI_COLOR", &ansi_color,
1174 NULL);
1175 if (r == -ENOENT) {
1176 r = parse_env_file("/usr/lib/os-release", NEWLINE,
1177 "PRETTY_NAME", &pretty_name,
1178 "ANSI_COLOR", &ansi_color,
1179 NULL);
1180 }
1181
1182 if (r < 0 && r != -ENOENT)
1183 log_warning_errno(r, "Failed to read os-release file: %m");
1184
1185 return status_printf(NULL, false, false,
1186 "\nWelcome to \x1B[%sm%s\x1B[0m!\n",
1187 isempty(ansi_color) ? "1" : ansi_color,
1188 isempty(pretty_name) ? "Linux" : pretty_name);
1189 }
1190
1191 static int write_container_id(void) {
1192 const char *c;
1193
1194 c = getenv("container");
1195 if (isempty(c))
1196 return 0;
1197
1198 return write_string_file("/run/systemd/container", c);
1199 }
1200
1201 int main(int argc, char *argv[]) {
1202 Manager *m = NULL;
1203 int r, retval = EXIT_FAILURE;
1204 usec_t before_startup, after_startup;
1205 char timespan[FORMAT_TIMESPAN_MAX];
1206 FDSet *fds = NULL;
1207 bool reexecute = false;
1208 const char *shutdown_verb = NULL;
1209 dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
1210 dual_timestamp userspace_timestamp = { 0ULL, 0ULL };
1211 dual_timestamp kernel_timestamp = { 0ULL, 0ULL };
1212 dual_timestamp security_start_timestamp = { 0ULL, 0ULL };
1213 dual_timestamp security_finish_timestamp = { 0ULL, 0ULL };
1214 static char systemd[] = "systemd";
1215 bool skip_setup = false;
1216 unsigned j;
1217 bool loaded_policy = false;
1218 bool arm_reboot_watchdog = false;
1219 bool queue_default_job = false;
1220 bool empty_etc = false;
1221 char *switch_root_dir = NULL, *switch_root_init = NULL;
1222 static struct rlimit saved_rlimit_nofile = { 0, 0 };
1223 const char *error_message = NULL;
1224
1225 #ifdef HAVE_SYSV_COMPAT
1226 if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
1227 /* This is compatibility support for SysV, where
1228 * calling init as a user is identical to telinit. */
1229
1230 errno = -ENOENT;
1231 execv(SYSTEMCTL_BINARY_PATH, argv);
1232 log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
1233 return 1;
1234 }
1235 #endif
1236
1237 dual_timestamp_from_monotonic(&kernel_timestamp, 0);
1238 dual_timestamp_get(&userspace_timestamp);
1239
1240 /* Determine if this is a reexecution or normal bootup. We do
1241 * the full command line parsing much later, so let's just
1242 * have a quick peek here. */
1243 if (strv_find(argv+1, "--deserialize"))
1244 skip_setup = true;
1245
1246 /* If we have switched root, do all the special setup
1247 * things */
1248 if (strv_find(argv+1, "--switched-root"))
1249 skip_setup = false;
1250
1251 /* If we get started via the /sbin/init symlink then we are
1252 called 'init'. After a subsequent reexecution we are then
1253 called 'systemd'. That is confusing, hence let's call us
1254 systemd right-away. */
1255 program_invocation_short_name = systemd;
1256 prctl(PR_SET_NAME, systemd);
1257
1258 saved_argv = argv;
1259 saved_argc = argc;
1260
1261 log_show_color(isatty(STDERR_FILENO) > 0);
1262 log_set_upgrade_syslog_to_journal(true);
1263
1264 /* Disable the umask logic */
1265 if (getpid() == 1)
1266 umask(0);
1267
1268 if (getpid() == 1 && detect_container(NULL) <= 0) {
1269
1270 /* Running outside of a container as PID 1 */
1271 arg_running_as = SYSTEMD_SYSTEM;
1272 make_null_stdio();
1273 log_set_target(LOG_TARGET_KMSG);
1274 log_open();
1275
1276 if (in_initrd())
1277 initrd_timestamp = userspace_timestamp;
1278
1279 if (!skip_setup) {
1280 mount_setup_early();
1281 dual_timestamp_get(&security_start_timestamp);
1282 if (mac_selinux_setup(&loaded_policy) < 0) {
1283 error_message = "Failed to load SELinux policy";
1284 goto finish;
1285 } else if (ima_setup() < 0) {
1286 error_message = "Failed to load IMA policy";
1287 goto finish;
1288 } else if (mac_smack_setup(&loaded_policy) < 0) {
1289 error_message = "Failed to load SMACK policy";
1290 goto finish;
1291 }
1292 dual_timestamp_get(&security_finish_timestamp);
1293 }
1294
1295 if (mac_selinux_init(NULL) < 0) {
1296 error_message = "Failed to initialize SELinux policy";
1297 goto finish;
1298 }
1299
1300 if (!skip_setup) {
1301 if (clock_is_localtime() > 0) {
1302 int min;
1303
1304 /*
1305 * The very first call of settimeofday() also does a time warp in the kernel.
1306 *
1307 * In the rtc-in-local time mode, we set the kernel's timezone, and rely on
1308 * external tools to take care of maintaining the RTC and do all adjustments.
1309 * This matches the behavior of Windows, which leaves the RTC alone if the
1310 * registry tells that the RTC runs in UTC.
1311 */
1312 r = clock_set_timezone(&min);
1313 if (r < 0)
1314 log_error_errno(r, "Failed to apply local time delta, ignoring: %m");
1315 else
1316 log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
1317 } else if (!in_initrd()) {
1318 /*
1319 * Do a dummy very first call to seal the kernel's time warp magic.
1320 *
1321 * Do not call this this from inside the initrd. The initrd might not
1322 * carry /etc/adjtime with LOCAL, but the real system could be set up
1323 * that way. In such case, we need to delay the time-warp or the sealing
1324 * until we reach the real system.
1325 *
1326 * Do no set the kernel's timezone. The concept of local time cannot
1327 * be supported reliably, the time will jump or be incorrect at every daylight
1328 * saving time change. All kernel local time concepts will be treated
1329 * as UTC that way.
1330 */
1331 clock_reset_timewarp();
1332 }
1333 }
1334
1335 /* Set the default for later on, but don't actually
1336 * open the logs like this for now. Note that if we
1337 * are transitioning from the initrd there might still
1338 * be journal fd open, and we shouldn't attempt
1339 * opening that before we parsed /proc/cmdline which
1340 * might redirect output elsewhere. */
1341 log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
1342
1343 } else if (getpid() == 1) {
1344 /* Running inside a container, as PID 1 */
1345 arg_running_as = SYSTEMD_SYSTEM;
1346 log_set_target(LOG_TARGET_CONSOLE);
1347 log_close_console(); /* force reopen of /dev/console */
1348 log_open();
1349
1350 /* For the later on, see above... */
1351 log_set_target(LOG_TARGET_JOURNAL);
1352
1353 /* clear the kernel timestamp,
1354 * because we are in a container */
1355 kernel_timestamp.monotonic = 0ULL;
1356 kernel_timestamp.realtime = 0ULL;
1357
1358 } else {
1359 /* Running as user instance */
1360 arg_running_as = SYSTEMD_USER;
1361 log_set_target(LOG_TARGET_AUTO);
1362 log_open();
1363
1364 /* clear the kernel timestamp,
1365 * because we are not PID 1 */
1366 kernel_timestamp.monotonic = 0ULL;
1367 kernel_timestamp.realtime = 0ULL;
1368 }
1369
1370 /* Initialize default unit */
1371 r = set_default_unit(SPECIAL_DEFAULT_TARGET);
1372 if (r < 0) {
1373 log_emergency_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
1374 error_message = "Failed to set default unit";
1375 goto finish;
1376 }
1377
1378 r = initialize_join_controllers();
1379 if (r < 0) {
1380 error_message = "Failed to initalize cgroup controllers";
1381 goto finish;
1382 }
1383
1384 /* Mount /proc, /sys and friends, so that /proc/cmdline and
1385 * /proc/$PID/fd is available. */
1386 if (getpid() == 1) {
1387
1388 /* Load the kernel modules early, so that we kdbus.ko is loaded before kdbusfs shall be mounted */
1389 if (!skip_setup)
1390 kmod_setup();
1391
1392 r = mount_setup(loaded_policy);
1393 if (r < 0) {
1394 error_message = "Failed to mount API filesystems";
1395 goto finish;
1396 }
1397 }
1398
1399 /* Reset all signal handlers. */
1400 assert_se(reset_all_signal_handlers() == 0);
1401
1402 ignore_signals(SIGNALS_IGNORE, -1);
1403
1404 if (parse_config_file() < 0) {
1405 error_message = "Failed to parse config file";
1406 goto finish;
1407 }
1408
1409 if (arg_running_as == SYSTEMD_SYSTEM) {
1410 r = parse_proc_cmdline(parse_proc_cmdline_item);
1411 if (r < 0)
1412 log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
1413 }
1414
1415 /* Note that this also parses bits from the kernel command
1416 * line, including "debug". */
1417 log_parse_environment();
1418
1419 if (parse_argv(argc, argv) < 0) {
1420 error_message = "Failed to parse commandline arguments";
1421 goto finish;
1422 }
1423
1424 if (arg_action == ACTION_TEST &&
1425 geteuid() == 0) {
1426 log_error("Don't run test mode as root.");
1427 goto finish;
1428 }
1429
1430 if (arg_running_as == SYSTEMD_USER &&
1431 arg_action == ACTION_RUN &&
1432 sd_booted() <= 0) {
1433 log_error("Trying to run as user instance, but the system has not been booted with systemd.");
1434 goto finish;
1435 }
1436
1437 if (arg_running_as == SYSTEMD_SYSTEM &&
1438 arg_action == ACTION_RUN &&
1439 running_in_chroot() > 0) {
1440 log_error("Cannot be run in a chroot() environment.");
1441 goto finish;
1442 }
1443
1444 if (arg_action == ACTION_TEST)
1445 skip_setup = true;
1446
1447 pager_open_if_enabled();
1448
1449 if (arg_action == ACTION_HELP) {
1450 retval = help();
1451 goto finish;
1452 } else if (arg_action == ACTION_VERSION) {
1453 retval = version();
1454 goto finish;
1455 } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
1456 unit_dump_config_items(stdout);
1457 retval = EXIT_SUCCESS;
1458 goto finish;
1459 } else if (arg_action == ACTION_DONE) {
1460 retval = EXIT_SUCCESS;
1461 goto finish;
1462 }
1463
1464 if (arg_running_as == SYSTEMD_USER &&
1465 !getenv("XDG_RUNTIME_DIR")) {
1466 log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set.");
1467 goto finish;
1468 }
1469
1470 assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
1471
1472 /* Close logging fds, in order not to confuse fdset below */
1473 log_close();
1474
1475 /* Remember open file descriptors for later deserialization */
1476 r = fdset_new_fill(&fds);
1477 if (r < 0) {
1478 log_emergency_errno(r, "Failed to allocate fd set: %m");
1479 error_message = "Failed to allocate fd set";
1480 goto finish;
1481 } else
1482 fdset_cloexec(fds, true);
1483
1484 if (arg_serialization)
1485 assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0);
1486
1487 if (arg_running_as == SYSTEMD_SYSTEM)
1488 /* Become a session leader if we aren't one yet. */
1489 setsid();
1490
1491 /* Move out of the way, so that we won't block unmounts */
1492 assert_se(chdir("/") == 0);
1493
1494 /* Reset the console, but only if this is really init and we
1495 * are freshly booted */
1496 if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) {
1497
1498 /* If we are init, we connect stdin/stdout/stderr to
1499 * /dev/null and make sure we don't have a controlling
1500 * tty. */
1501 release_terminal();
1502
1503 if (getpid() == 1 && !skip_setup)
1504 console_setup();
1505 }
1506
1507 /* Open the logging devices, if possible and necessary */
1508 log_open();
1509
1510 if (arg_show_status == _SHOW_STATUS_UNSET)
1511 arg_show_status = SHOW_STATUS_YES;
1512
1513 /* Make sure we leave a core dump without panicing the
1514 * kernel. */
1515 if (getpid() == 1) {
1516 install_crash_handler();
1517
1518 r = mount_cgroup_controllers(arg_join_controllers);
1519 if (r < 0)
1520 goto finish;
1521 }
1522
1523 if (arg_running_as == SYSTEMD_SYSTEM) {
1524 const char *virtualization = NULL;
1525
1526 log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")",
1527 arg_action == ACTION_TEST ? "test " : "" );
1528
1529 detect_virtualization(&virtualization);
1530 if (virtualization)
1531 log_info("Detected virtualization '%s'.", virtualization);
1532
1533 write_container_id();
1534
1535 log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture()));
1536
1537 if (in_initrd())
1538 log_info("Running in initial RAM disk.");
1539
1540 /* Let's check whether /etc is already populated. We
1541 * don't actually really check for that, but use
1542 * /etc/machine-id as flag file. This allows container
1543 * managers and installers to provision a couple of
1544 * files already. If the container manager wants to
1545 * provision the machine ID itself it should pass
1546 * $container_uuid to PID 1.*/
1547
1548 empty_etc = access("/etc/machine-id", F_OK) < 0;
1549 if (empty_etc)
1550 log_info("Running with unpopulated /etc.");
1551 } else {
1552 _cleanup_free_ char *t;
1553
1554 t = uid_to_name(getuid());
1555 log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
1556 arg_action == ACTION_TEST ? " test" : "", getuid(), t);
1557 }
1558
1559 if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
1560 if (arg_show_status > 0 || plymouth_running())
1561 status_welcome();
1562
1563 hostname_setup();
1564 machine_id_setup(NULL);
1565 loopback_setup();
1566
1567 test_mtab();
1568 test_usr();
1569 }
1570
1571 if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
1572 watchdog_set_timeout(&arg_runtime_watchdog);
1573
1574 if (arg_timer_slack_nsec != NSEC_INFINITY)
1575 if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0)
1576 log_error_errno(errno, "Failed to adjust timer slack: %m");
1577
1578 if (arg_capability_bounding_set_drop) {
1579 r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
1580 if (r < 0) {
1581 log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m");
1582 error_message = "Failed to drop capability bounding set of usermode helpers";
1583 goto finish;
1584 }
1585 r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
1586 if (r < 0) {
1587 log_emergency_errno(r, "Failed to drop capability bounding set: %m");
1588 error_message = "Failed to drop capability bounding set";
1589 goto finish;
1590 }
1591 }
1592
1593 if (arg_syscall_archs) {
1594 r = enforce_syscall_archs(arg_syscall_archs);
1595 if (r < 0) {
1596 error_message = "Failed to set syscall architectures";
1597 goto finish;
1598 }
1599 }
1600
1601 if (arg_running_as == SYSTEMD_USER) {
1602 /* Become reaper of our children */
1603 if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
1604 log_warning_errno(errno, "Failed to make us a subreaper: %m");
1605 if (errno == EINVAL)
1606 log_info("Perhaps the kernel version is too old (< 3.4?)");
1607 }
1608 }
1609
1610 if (arg_running_as == SYSTEMD_SYSTEM) {
1611 bump_rlimit_nofile(&saved_rlimit_nofile);
1612
1613 if (empty_etc) {
1614 r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_FULL, false, NULL, 0);
1615 if (r < 0)
1616 log_warning_errno(r, "Failed to populate /etc with preset unit settings, ignoring: %m");
1617 else
1618 log_info("Populated /etc with preset unit settings.");
1619 }
1620 }
1621
1622 r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m);
1623 if (r < 0) {
1624 log_emergency_errno(r, "Failed to allocate manager object: %m");
1625 error_message = "Failed to allocate manager object";
1626 goto finish;
1627 }
1628
1629 m->confirm_spawn = arg_confirm_spawn;
1630 m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
1631 m->default_std_output = arg_default_std_output;
1632 m->default_std_error = arg_default_std_error;
1633 m->default_restart_usec = arg_default_restart_usec;
1634 m->default_timeout_start_usec = arg_default_timeout_start_usec;
1635 m->default_timeout_stop_usec = arg_default_timeout_stop_usec;
1636 m->default_start_limit_interval = arg_default_start_limit_interval;
1637 m->default_start_limit_burst = arg_default_start_limit_burst;
1638 m->default_cpu_accounting = arg_default_cpu_accounting;
1639 m->default_blockio_accounting = arg_default_blockio_accounting;
1640 m->default_memory_accounting = arg_default_memory_accounting;
1641 m->runtime_watchdog = arg_runtime_watchdog;
1642 m->shutdown_watchdog = arg_shutdown_watchdog;
1643
1644 m->userspace_timestamp = userspace_timestamp;
1645 m->kernel_timestamp = kernel_timestamp;
1646 m->initrd_timestamp = initrd_timestamp;
1647 m->security_start_timestamp = security_start_timestamp;
1648 m->security_finish_timestamp = security_finish_timestamp;
1649
1650 manager_set_default_rlimits(m, arg_default_rlimit);
1651 manager_environment_add(m, NULL, arg_default_environment);
1652 manager_set_show_status(m, arg_show_status);
1653 manager_set_first_boot(m, empty_etc);
1654
1655 /* Remember whether we should queue the default job */
1656 queue_default_job = !arg_serialization || arg_switched_root;
1657
1658 before_startup = now(CLOCK_MONOTONIC);
1659
1660 r = manager_startup(m, arg_serialization, fds);
1661 if (r < 0)
1662 log_error_errno(r, "Failed to fully start up daemon: %m");
1663
1664 /* This will close all file descriptors that were opened, but
1665 * not claimed by any unit. */
1666 fdset_free(fds);
1667 fds = NULL;
1668
1669 if (arg_serialization) {
1670 fclose(arg_serialization);
1671 arg_serialization = NULL;
1672 }
1673
1674 if (queue_default_job) {
1675 _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
1676 Unit *target = NULL;
1677 Job *default_unit_job;
1678
1679 log_debug("Activating default unit: %s", arg_default_unit);
1680
1681 r = manager_load_unit(m, arg_default_unit, NULL, &error, &target);
1682 if (r < 0)
1683 log_error("Failed to load default target: %s", bus_error_message(&error, r));
1684 else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND)
1685 log_error_errno(target->load_error, "Failed to load default target: %m");
1686 else if (target->load_state == UNIT_MASKED)
1687 log_error("Default target masked.");
1688
1689 if (!target || target->load_state != UNIT_LOADED) {
1690 log_info("Trying to load rescue target...");
1691
1692 r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target);
1693 if (r < 0) {
1694 log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r));
1695 error_message = "Failed to load rescue target";
1696 goto finish;
1697 } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) {
1698 log_emergency_errno(target->load_error, "Failed to load rescue target: %m");
1699 error_message = "Failed to load rescue target";
1700 goto finish;
1701 } else if (target->load_state == UNIT_MASKED) {
1702 log_emergency("Rescue target masked.");
1703 error_message = "Rescue target masked";
1704 goto finish;
1705 }
1706 }
1707
1708 assert(target->load_state == UNIT_LOADED);
1709
1710 if (arg_action == ACTION_TEST) {
1711 printf("-> By units:\n");
1712 manager_dump_units(m, stdout, "\t");
1713 }
1714
1715 r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job);
1716 if (r == -EPERM) {
1717 log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r));
1718
1719 r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job);
1720 if (r < 0) {
1721 log_emergency("Failed to start default target: %s", bus_error_message(&error, r));
1722 error_message = "Failed to start default target";
1723 goto finish;
1724 }
1725 } else if (r < 0) {
1726 log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r));
1727 error_message = "Failed to isolate default target";
1728 goto finish;
1729 }
1730
1731 m->default_unit_job_id = default_unit_job->id;
1732
1733 after_startup = now(CLOCK_MONOTONIC);
1734 log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG,
1735 "Loaded units and determined initial transaction in %s.",
1736 format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC));
1737
1738 if (arg_action == ACTION_TEST) {
1739 printf("-> By jobs:\n");
1740 manager_dump_jobs(m, stdout, "\t");
1741 retval = EXIT_SUCCESS;
1742 goto finish;
1743 }
1744 }
1745
1746 for (;;) {
1747 r = manager_loop(m);
1748 if (r < 0) {
1749 log_emergency_errno(r, "Failed to run main loop: %m");
1750 error_message = "Failed to run main loop";
1751 goto finish;
1752 }
1753
1754 switch (m->exit_code) {
1755
1756 case MANAGER_EXIT:
1757 retval = EXIT_SUCCESS;
1758 log_debug("Exit.");
1759 goto finish;
1760
1761 case MANAGER_RELOAD:
1762 log_info("Reloading.");
1763 r = manager_reload(m);
1764 if (r < 0)
1765 log_error_errno(r, "Failed to reload: %m");
1766 break;
1767
1768 case MANAGER_REEXECUTE:
1769
1770 if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) {
1771 error_message = "Failed to prepare for reexection";
1772 goto finish;
1773 }
1774
1775 reexecute = true;
1776 log_notice("Reexecuting.");
1777 goto finish;
1778
1779 case MANAGER_SWITCH_ROOT:
1780 /* Steal the switch root parameters */
1781 switch_root_dir = m->switch_root;
1782 switch_root_init = m->switch_root_init;
1783 m->switch_root = m->switch_root_init = NULL;
1784
1785 if (!switch_root_init)
1786 if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) {
1787 error_message = "Failed to prepare for reexection";
1788 goto finish;
1789 }
1790
1791 reexecute = true;
1792 log_notice("Switching root.");
1793 goto finish;
1794
1795 case MANAGER_REBOOT:
1796 case MANAGER_POWEROFF:
1797 case MANAGER_HALT:
1798 case MANAGER_KEXEC: {
1799 static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
1800 [MANAGER_REBOOT] = "reboot",
1801 [MANAGER_POWEROFF] = "poweroff",
1802 [MANAGER_HALT] = "halt",
1803 [MANAGER_KEXEC] = "kexec"
1804 };
1805
1806 assert_se(shutdown_verb = table[m->exit_code]);
1807 arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT;
1808
1809 log_notice("Shutting down.");
1810 goto finish;
1811 }
1812
1813 default:
1814 assert_not_reached("Unknown exit code.");
1815 }
1816 }
1817
1818 finish:
1819 pager_close();
1820
1821 m = manager_free(m);
1822
1823 for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
1824 free(arg_default_rlimit[j]);
1825 arg_default_rlimit[j] = NULL;
1826 }
1827
1828 free(arg_default_unit);
1829 arg_default_unit = NULL;
1830
1831 free_join_controllers();
1832
1833 strv_free(arg_default_environment);
1834 arg_default_environment = NULL;
1835
1836 set_free(arg_syscall_archs);
1837 arg_syscall_archs = NULL;
1838
1839 mac_selinux_finish();
1840
1841 if (reexecute) {
1842 const char **args;
1843 unsigned i, args_size;
1844
1845 /* Close and disarm the watchdog, so that the new
1846 * instance can reinitialize it, but doesn't get
1847 * rebooted while we do that */
1848 watchdog_close(true);
1849
1850 /* Reset the RLIMIT_NOFILE to the kernel default, so
1851 * that the new systemd can pass the kernel default to
1852 * its child processes */
1853 if (saved_rlimit_nofile.rlim_cur > 0)
1854 setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile);
1855
1856 if (switch_root_dir) {
1857 /* Kill all remaining processes from the
1858 * initrd, but don't wait for them, so that we
1859 * can handle the SIGCHLD for them after
1860 * deserializing. */
1861 broadcast_signal(SIGTERM, false, true);
1862
1863 /* And switch root with MS_MOVE, because we remove the old directory afterwards and detach it. */
1864 r = switch_root(switch_root_dir, "/mnt", true, MS_MOVE);
1865 if (r < 0)
1866 log_error_errno(r, "Failed to switch root, trying to continue: %m");
1867 }
1868
1869 args_size = MAX(6, argc+1);
1870 args = newa(const char*, args_size);
1871
1872 if (!switch_root_init) {
1873 char sfd[16];
1874
1875 /* First try to spawn ourselves with the right
1876 * path, and with full serialization. We do
1877 * this only if the user didn't specify an
1878 * explicit init to spawn. */
1879
1880 assert(arg_serialization);
1881 assert(fds);
1882
1883 snprintf(sfd, sizeof(sfd), "%i", fileno(arg_serialization));
1884 char_array_0(sfd);
1885
1886 i = 0;
1887 args[i++] = SYSTEMD_BINARY_PATH;
1888 if (switch_root_dir)
1889 args[i++] = "--switched-root";
1890 args[i++] = arg_running_as == SYSTEMD_SYSTEM ? "--system" : "--user";
1891 args[i++] = "--deserialize";
1892 args[i++] = sfd;
1893 args[i++] = NULL;
1894
1895 /* do not pass along the environment we inherit from the kernel or initrd */
1896 if (switch_root_dir)
1897 clearenv();
1898
1899 assert(i <= args_size);
1900 execv(args[0], (char* const*) args);
1901 }
1902
1903 /* Try the fallback, if there is any, without any
1904 * serialization. We pass the original argv[] and
1905 * envp[]. (Well, modulo the ordering changes due to
1906 * getopt() in argv[], and some cleanups in envp[],
1907 * but let's hope that doesn't matter.) */
1908
1909 if (arg_serialization) {
1910 fclose(arg_serialization);
1911 arg_serialization = NULL;
1912 }
1913
1914 if (fds) {
1915 fdset_free(fds);
1916 fds = NULL;
1917 }
1918
1919 /* Reopen the console */
1920 make_console_stdio();
1921
1922 for (j = 1, i = 1; j < (unsigned) argc; j++)
1923 args[i++] = argv[j];
1924 args[i++] = NULL;
1925 assert(i <= args_size);
1926
1927 /* Reenable any blocked signals, especially important
1928 * if we switch from initial ramdisk to init=... */
1929 reset_all_signal_handlers();
1930 reset_signal_mask();
1931
1932 if (switch_root_init) {
1933 args[0] = switch_root_init;
1934 execv(args[0], (char* const*) args);
1935 log_warning_errno(errno, "Failed to execute configured init, trying fallback: %m");
1936 }
1937
1938 args[0] = "/sbin/init";
1939 execv(args[0], (char* const*) args);
1940
1941 if (errno == ENOENT) {
1942 log_warning("No /sbin/init, trying fallback");
1943
1944 args[0] = "/bin/sh";
1945 args[1] = NULL;
1946 execv(args[0], (char* const*) args);
1947 log_error_errno(errno, "Failed to execute /bin/sh, giving up: %m");
1948 } else
1949 log_warning_errno(errno, "Failed to execute /sbin/init, giving up: %m");
1950 }
1951
1952 if (arg_serialization) {
1953 fclose(arg_serialization);
1954 arg_serialization = NULL;
1955 }
1956
1957 if (fds) {
1958 fdset_free(fds);
1959 fds = NULL;
1960 }
1961
1962 #ifdef HAVE_VALGRIND_VALGRIND_H
1963 /* If we are PID 1 and running under valgrind, then let's exit
1964 * here explicitly. valgrind will only generate nice output on
1965 * exit(), not on exec(), hence let's do the former not the
1966 * latter here. */
1967 if (getpid() == 1 && RUNNING_ON_VALGRIND)
1968 return 0;
1969 #endif
1970
1971 if (shutdown_verb) {
1972 char log_level[DECIMAL_STR_MAX(int) + 1];
1973 const char* command_line[9] = {
1974 SYSTEMD_SHUTDOWN_BINARY_PATH,
1975 shutdown_verb,
1976 "--log-level", log_level,
1977 "--log-target",
1978 };
1979 unsigned pos = 5;
1980 _cleanup_strv_free_ char **env_block = NULL;
1981
1982 assert(command_line[pos] == NULL);
1983 env_block = strv_copy(environ);
1984
1985 snprintf(log_level, sizeof(log_level), "%d", log_get_max_level());
1986
1987 switch (log_get_target()) {
1988 case LOG_TARGET_KMSG:
1989 case LOG_TARGET_JOURNAL_OR_KMSG:
1990 case LOG_TARGET_SYSLOG_OR_KMSG:
1991 command_line[pos++] = "kmsg";
1992 break;
1993
1994 case LOG_TARGET_CONSOLE:
1995 default:
1996 command_line[pos++] = "console";
1997 break;
1998 };
1999
2000 if (log_get_show_color())
2001 command_line[pos++] = "--log-color";
2002
2003 if (log_get_show_location())
2004 command_line[pos++] = "--log-location";
2005
2006 assert(pos < ELEMENTSOF(command_line));
2007
2008 if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
2009 char *e;
2010
2011 /* If we reboot let's set the shutdown
2012 * watchdog and tell the shutdown binary to
2013 * repeatedly ping it */
2014 watchdog_set_timeout(&arg_shutdown_watchdog);
2015 watchdog_close(false);
2016
2017 /* Tell the binary how often to ping, ignore failure */
2018 if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0)
2019 strv_push(&env_block, e);
2020 } else
2021 watchdog_close(true);
2022
2023 /* Avoid the creation of new processes forked by the
2024 * kernel; at this point, we will not listen to the
2025 * signals anyway */
2026 if (detect_container(NULL) <= 0)
2027 cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
2028
2029 execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
2030 log_error_errno(errno, "Failed to execute shutdown binary, %s: %m",
2031 getpid() == 1 ? "freezing" : "quitting");
2032 }
2033
2034 if (getpid() == 1) {
2035 if (error_message)
2036 manager_status_printf(NULL, STATUS_TYPE_EMERGENCY,
2037 ANSI_HIGHLIGHT_RED_ON "!!!!!!" ANSI_HIGHLIGHT_OFF,
2038 "%s, freezing.", error_message);
2039 freeze();
2040 }
2041
2042 return retval;
2043 }
systemd for Proxmox projects