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d6c9574f 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
60918275 2
a7334b09
LP		 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 General Public License as published by
10 the Free Software Foundation; either version 2 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 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
ea430986
LP		 22#include <dbus/dbus.h>
23
60918275
LP		 24#include <stdio.h>
25#include <errno.h>
26#include <string.h>
16354eff 27#include <unistd.h>
4ade7963
LP		 28#include <sys/types.h>
29#include <sys/stat.h>
f170852a 30#include <getopt.h>
97c4f35c 31#include <signal.h>
4fc935ca 32#include <sys/wait.h>
80876c20 33#include <fcntl.h>
f3b6a3ed 34#include <sys/prctl.h>
60918275
LP		 35
36#include "manager.h"
16354eff 37#include "log.h"
4ade7963 38#include "mount-setup.h"
302e8c4c 39#include "hostname-setup.h"
af5bc85d 40#include "loopback-setup.h"
11c3a4ee 41#include "kmod-setup.h"
72bca11b 42#include "locale-setup.h"
c4dcdb9f 43#include "selinux-setup.h"
302e8c4c 44#include "load-fragment.h"
a16e1123 45#include "fdset.h"
514f4ef5 46#include "special.h"
487393e9 47#include "conf-parser.h"
398ef8ba 48#include "bus-errors.h"
ad780f19 49#include "missing.h"
e51bc1a2 50#include "label.h"
302e27c8 51#include "build.h"
60918275 52
f170852a
LP		 53static enum {
54 ACTION_RUN,
e965d56d 55 ACTION_HELP,
e537352b 56 ACTION_TEST,
4288f619
LP		 57 ACTION_DUMP_CONFIGURATION_ITEMS,
58 ACTION_DONE
fa0f4d8a 59} arg_action = ACTION_RUN;
f170852a 60
fa0f4d8a
LP		 61static char *arg_default_unit = NULL;
62static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
63
64static bool arg_dump_core = true;
65static bool arg_crash_shell = false;
66static int arg_crash_chvt = -1;
67static bool arg_confirm_spawn = false;
9e58ff9c 68static bool arg_show_status = true;
07459bb6 69#ifdef HAVE_SYSV_COMPAT
6e98720f 70static bool arg_sysv_console = true;
07459bb6 71#endif
d3689161 72static bool arg_mount_auto = true;
173a8d04 73static bool arg_swap_auto = true;
b2bb3dbe 74static char *arg_console = NULL;
4fc935ca 75
a16e1123 76static FILE* serialization = NULL;
80876c20 77
6f5e3f35
LP		 78static void nop_handler(int sig) {
79}
80
93a46b0b 81_noreturn_ static void crash(int sig) {
97c4f35c 82
fa0f4d8a 83 if (!arg_dump_core)
582a507f 84 log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
97c4f35c 85 else {
6f5e3f35 86 struct sigaction sa;
97c4f35c
LP		 87 pid_t pid;
88
6f5e3f35
LP		 89 /* We want to wait for the core process, hence let's enable SIGCHLD */
90 zero(sa);
91 sa.sa_handler = nop_handler;
92 sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
93 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
94
97c4f35c 95 if ((pid = fork()) < 0)
582a507f 96 log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
97c4f35c
LP		 97
98 else if (pid == 0) {
97c4f35c
LP		 99 struct rlimit rl;
100
101 /* Enable default signal handler for core dump */
102 zero(sa);
103 sa.sa_handler = SIG_DFL;
104 assert_se(sigaction(sig, &sa, NULL) == 0);
105
106 /* Don't limit the core dump size */
107 zero(rl);
108 rl.rlim_cur = RLIM_INFINITY;
109 rl.rlim_max = RLIM_INFINITY;
110 setrlimit(RLIMIT_CORE, &rl);
111
112 /* Just to be sure... */
113 assert_se(chdir("/") == 0);
114
115 /* Raise the signal again */
116 raise(sig);
117
118 assert_not_reached("We shouldn't be here...");
119 _exit(1);
4fc935ca
LP		 120
121 } else {
8e12a6ae
LP		 122 siginfo_t status;
123 int r;
4fc935ca
LP		 124
125 /* Order things nicely. */
8e12a6ae
LP		 126 if ((r = wait_for_terminate(pid, &status)) < 0)
127 log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
128 else if (status.si_code != CLD_DUMPED)
582a507f 129 log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
4fc935ca 130 else
582a507f 131 log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
97c4f35c
LP		 132 }
133 }
134
fa0f4d8a
LP		 135 if (arg_crash_chvt)
136 chvt(arg_crash_chvt);
601f6a1e 137
fa0f4d8a 138 if (arg_crash_shell) {
6f5e3f35
LP		 139 struct sigaction sa;
140 pid_t pid;
8c43883a 141
4fc935ca
LP		 142 log_info("Executing crash shell in 10s...");
143 sleep(10);
144
6f5e3f35
LP		 145 /* Let the kernel reap children for us */
146 zero(sa);
147 sa.sa_handler = SIG_IGN;
148 sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
149 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
8c43883a 150
6f5e3f35
LP		 151 if ((pid = fork()) < 0)
152 log_error("Failed to fork off crash shell: %s", strerror(errno));
153 else if (pid == 0) {
843d2643 154 int fd, r;
ea5652c2 155
21de3988 156 if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
ea5652c2 157 log_error("Failed to acquire terminal: %s", strerror(-fd));
5b2a0903 158 else if ((r = make_stdio(fd)) < 0)
843d2643 159 log_error("Failed to duplicate terminal fd: %s", strerror(-r));
ea5652c2 160
6f5e3f35
LP		 161 execl("/bin/sh", "/bin/sh", NULL);
162
163 log_error("execl() failed: %s", strerror(errno));
164 _exit(1);
165 }
c99b188e 166
bb00e604 167 log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid);
4fc935ca
LP		 168 }
169
170 log_info("Freezing execution.");
97c4f35c
LP		 171 freeze();
172}
173
174static void install_crash_handler(void) {
175 struct sigaction sa;
176
177 zero(sa);
178
179 sa.sa_handler = crash;
180 sa.sa_flags = SA_NODEFER;
181
1b91d3e8 182 sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
97c4f35c 183}
f170852a 184
843d2643
LP		 185static int console_setup(bool do_reset) {
186 int tty_fd, r;
80876c20 187
843d2643
LP		 188 /* If we are init, we connect stdin/stdout/stderr to /dev/null
189 * and make sure we don't have a controlling tty. */
80876c20 190
843d2643
LP		 191 release_terminal();
192
193 if (!do_reset)
194 return 0;
80876c20 195
843d2643
LP		 196 if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) {
197 log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
198 return -tty_fd;
199 }
80876c20 200
843d2643
LP		 201 if ((r = reset_terminal(tty_fd)) < 0)
202 log_error("Failed to reset /dev/console: %s", strerror(-r));
203
204 close_nointr_nofail(tty_fd);
80876c20
LP		 205 return r;
206}
207
f170852a
LP		 208static int set_default_unit(const char *u) {
209 char *c;
210
211 assert(u);
212
213 if (!(c = strdup(u)))
214 return -ENOMEM;
215
fa0f4d8a
LP		 216 free(arg_default_unit);
217 arg_default_unit = c;
f170852a
LP		 218 return 0;
219}
220
221static int parse_proc_cmdline_word(const char *word) {
222
223 static const char * const rlmap[] = {
ed370f5d
LP		 224 "emergency", SPECIAL_EMERGENCY_TARGET,
225 "single", SPECIAL_RESCUE_TARGET,
226 "-s", SPECIAL_RESCUE_TARGET,
227 "s", SPECIAL_RESCUE_TARGET,
228 "S", SPECIAL_RESCUE_TARGET,
229 "1", SPECIAL_RESCUE_TARGET,
230 "2", SPECIAL_RUNLEVEL2_TARGET,
231 "3", SPECIAL_RUNLEVEL3_TARGET,
232 "4", SPECIAL_RUNLEVEL4_TARGET,
233 "5", SPECIAL_RUNLEVEL5_TARGET,
f170852a
LP		 234 };
235
5192bd19
LP		 236 assert(word);
237
2f198e2f
LP		 238 if (startswith(word, "systemd.unit="))
239 return set_default_unit(word + 13);
f170852a
LP		 240
241 else if (startswith(word, "systemd.log_target=")) {
242
243 if (log_set_target_from_string(word + 19) < 0)
244 log_warning("Failed to parse log target %s. Ignoring.", word + 19);
245
246 } else if (startswith(word, "systemd.log_level=")) {
247
248 if (log_set_max_level_from_string(word + 18) < 0)
249 log_warning("Failed to parse log level %s. Ignoring.", word + 18);
250
bbe63281
LP		 251 } else if (startswith(word, "systemd.log_color=")) {
252
253 if (log_show_color_from_string(word + 18) < 0)
254 log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
255
256 } else if (startswith(word, "systemd.log_location=")) {
257
258 if (log_show_location_from_string(word + 21) < 0)
259 log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
260
4fc935ca
LP		 261 } else if (startswith(word, "systemd.dump_core=")) {
262 int r;
263
264 if ((r = parse_boolean(word + 18)) < 0)
601f6a1e 265 log_warning("Failed to parse dump core switch %s, Ignoring.", word + 18);
4fc935ca 266 else
fa0f4d8a 267 arg_dump_core = r;
4fc935ca
LP		 268
269 } else if (startswith(word, "systemd.crash_shell=")) {
270 int r;
271
272 if ((r = parse_boolean(word + 20)) < 0)
601f6a1e 273 log_warning("Failed to parse crash shell switch %s, Ignoring.", word + 20);
4fc935ca 274 else
fa0f4d8a 275 arg_crash_shell = r;
5e7ee61c
LP		 276
277 } else if (startswith(word, "systemd.confirm_spawn=")) {
278 int r;
279
280 if ((r = parse_boolean(word + 22)) < 0)
281 log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22);
282 else
fa0f4d8a 283 arg_confirm_spawn = r;
5e7ee61c 284
601f6a1e
LP		 285 } else if (startswith(word, "systemd.crash_chvt=")) {
286 int k;
287
288 if (safe_atoi(word + 19, &k) < 0)
289 log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19);
290 else
fa0f4d8a 291 arg_crash_chvt = k;
601f6a1e 292
9e58ff9c
LP		 293 } else if (startswith(word, "systemd.show_status=")) {
294 int r;
295
296 if ((r = parse_boolean(word + 20)) < 0)
297 log_warning("Failed to parse show status switch %s, Ignoring.", word + 20);
6e98720f 298 else
9e58ff9c 299 arg_show_status = r;
07459bb6 300#ifdef HAVE_SYSV_COMPAT
6e98720f
LP		 301 } else if (startswith(word, "systemd.sysv_console=")) {
302 int r;
303
304 if ((r = parse_boolean(word + 21)) < 0)
305 log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20);
306 else
307 arg_sysv_console = r;
07459bb6 308#endif
9e58ff9c 309
4fc935ca
LP		 310 } else if (startswith(word, "systemd.")) {
311
312 log_warning("Unknown kernel switch %s. Ignoring.", word);
313
bbe63281
LP		 314 log_info("Supported kernel switches:\n"
315 "systemd.unit=UNIT Default unit to start\n"
bbe63281 316 "systemd.dump_core=0|1 Dump core on crash\n"
9e58ff9c 317 "systemd.crash_shell=0|1 Run shell on crash\n"
bbe63281 318 "systemd.crash_chvt=N Change to VT #N on crash\n"
9e58ff9c 319 "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
6e98720f 320 "systemd.show_status=0|1 Show status updates on the console during bootup\n"
07459bb6 321#ifdef HAVE_SYSV_COMPAT
6e98720f 322 "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
07459bb6 323#endif
87d1969b 324 "systemd.log_target=console|kmsg|syslog|syslog-or-kmsg|null\n"
6e98720f
LP		 325 " Log target\n"
326 "systemd.log_level=LEVEL Log level\n"
327 "systemd.log_color=0|1 Highlight important log messages\n"
328 "systemd.log_location=0|1 Include code location in log messages\n");
4fc935ca 329
b2bb3dbe
LP		 330 } else if (startswith(word, "console=")) {
331 const char *k;
332 size_t l;
333 char *w = NULL;
334
335 k = word + 8;
336 l = strcspn(k, ",");
337
338 /* Ignore the console setting if set to a VT */
339 if (l < 4 ||
340 !startswith(k, "tty") ||
341 k[3+strspn(k+3, "0123456789")] != 0) {
342
343 if (!(w = strndup(k, l)))
344 return -ENOMEM;
345 }
346
347 free(arg_console);
348 arg_console = w;
349
a9c501a5 350 } else if (streq(word, "quiet")) {
6e98720f 351 arg_show_status = false;
07459bb6 352#ifdef HAVE_SYSV_COMPAT
6e98720f 353 arg_sysv_console = false;
07459bb6 354#endif
9e58ff9c 355 } else {
f170852a
LP		 356 unsigned i;
357
358 /* SysV compatibility */
f170852a
LP		 359 for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
360 if (streq(word, rlmap[i]))
361 return set_default_unit(rlmap[i+1]);
362 }
363
364 return 0;
365}
366
487393e9
LP		 367static int config_parse_level(
368 const char *filename,
369 unsigned line,
370 const char *section,
371 const char *lvalue,
372 const char *rvalue,
373 void *data,
374 void *userdata) {
375
376 assert(filename);
377 assert(lvalue);
378 assert(rvalue);
379
380 log_set_max_level_from_string(rvalue);
381 return 0;
382}
383
384static int config_parse_target(
385 const char *filename,
386 unsigned line,
387 const char *section,
388 const char *lvalue,
389 const char *rvalue,
390 void *data,
391 void *userdata) {
392
393 assert(filename);
394 assert(lvalue);
395 assert(rvalue);
396
397 log_set_target_from_string(rvalue);
398 return 0;
399}
400
401static int config_parse_color(
402 const char *filename,
403 unsigned line,
404 const char *section,
405 const char *lvalue,
406 const char *rvalue,
407 void *data,
408 void *userdata) {
409
410 assert(filename);
411 assert(lvalue);
412 assert(rvalue);
413
414 log_show_color_from_string(rvalue);
415 return 0;
416}
417
418static int config_parse_location(
419 const char *filename,
420 unsigned line,
421 const char *section,
422 const char *lvalue,
423 const char *rvalue,
424 void *data,
425 void *userdata) {
426
427 assert(filename);
428 assert(lvalue);
429 assert(rvalue);
430
431 log_show_location_from_string(rvalue);
432 return 0;
433}
434
435static int config_parse_cpu_affinity(
436 const char *filename,
437 unsigned line,
438 const char *section,
439 const char *lvalue,
440 const char *rvalue,
441 void *data,
442 void *userdata) {
443
444 char *w;
445 size_t l;
446 char *state;
447 cpu_set_t *c = NULL;
448 unsigned ncpus = 0;
449
450 assert(filename);
451 assert(lvalue);
452 assert(rvalue);
453
f60f22df 454 FOREACH_WORD_QUOTED(w, l, rvalue, state) {
487393e9
LP		 455 char *t;
456 int r;
457 unsigned cpu;
458
459 if (!(t = strndup(w, l)))
460 return -ENOMEM;
461
462 r = safe_atou(t, &cpu);
463 free(t);
464
465 if (!c)
466 if (!(c = cpu_set_malloc(&ncpus)))
467 return -ENOMEM;
468
469 if (r < 0 || cpu >= ncpus) {
470 log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
471 CPU_FREE(c);
472 return -EBADMSG;
473 }
474
475 CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
476 }
477
478 if (c) {
479 if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
480 log_warning("Failed to set CPU affinity: %m");
481
482 CPU_FREE(c);
483 }
484
485 return 0;
486}
487
488static int parse_config_file(void) {
489
490 const ConfigItem items[] = {
d3689161
LP		 491 { "LogLevel", config_parse_level, NULL, "Manager" },
492 { "LogTarget", config_parse_target, NULL, "Manager" },
493 { "LogColor", config_parse_color, NULL, "Manager" },
494 { "LogLocation", config_parse_location, NULL, "Manager" },
495 { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" },
496 { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" },
497 { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" },
07459bb6 498#ifdef HAVE_SYSV_COMPAT
d3689161 499 { "SysVConsole", config_parse_bool, &arg_sysv_console, "Manager" },
07459bb6 500#endif
d3689161
LP		 501 { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
502 { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
d3689161 503 { "MountAuto", config_parse_bool, &arg_mount_auto, "Manager" },
173a8d04 504 { "SwapAuto", config_parse_bool, &arg_swap_auto, "Manager" },
487393e9
LP		 505 { NULL, NULL, NULL, NULL }
506 };
507
508 static const char * const sections[] = {
509 "Manager",
510 NULL
511 };
512
513 FILE *f;
514 const char *fn;
515 int r;
516
517 fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
518
519 if (!(f = fopen(fn, "re"))) {
520 if (errno == ENOENT)
521 return 0;
522
523 log_warning("Failed to open configuration file '%s': %m", fn);
524 return 0;
525 }
526
527 if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0)
528 log_warning("Failed to parse configuration file: %s", strerror(-r));
529
530 fclose(f);
531
532 return 0;
533}
534
f170852a 535static int parse_proc_cmdline(void) {
52661efd 536 char *line, *w, *state;
f170852a 537 int r;
f170852a 538 size_t l;
f170852a
LP		 539
540 if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
e364ad06 541 log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
f170852a
LP		 542 return 0;
543 }
544
545 FOREACH_WORD_QUOTED(w, l, line, state) {
546 char *word;
547
548 if (!(word = strndup(w, l))) {
549 r = -ENOMEM;
550 goto finish;
551 }
552
553 r = parse_proc_cmdline_word(word);
554 free(word);
555
556 if (r < 0)
557 goto finish;
558 }
559
560 r = 0;
561
562finish:
563 free(line);
564 return r;
565}
566
567static int parse_argv(int argc, char *argv[]) {
568
569 enum {
570 ARG_LOG_LEVEL = 0x100,
571 ARG_LOG_TARGET,
bbe63281
LP		 572 ARG_LOG_COLOR,
573 ARG_LOG_LOCATION,
2f198e2f 574 ARG_UNIT,
edb9aaa8
LP		 575 ARG_SYSTEM,
576 ARG_SESSION,
e537352b 577 ARG_TEST,
80876c20 578 ARG_DUMP_CONFIGURATION_ITEMS,
9e58ff9c
LP		 579 ARG_DUMP_CORE,
580 ARG_CRASH_SHELL,
a16e1123 581 ARG_CONFIRM_SPAWN,
9e58ff9c 582 ARG_SHOW_STATUS,
6e98720f 583 ARG_SYSV_CONSOLE,
4288f619
LP		 584 ARG_DESERIALIZE,
585 ARG_INTROSPECT
f170852a
LP		 586 };
587
588 static const struct option options[] = {
a16e1123
LP		 589 { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
590 { "log-target", required_argument, NULL, ARG_LOG_TARGET },
bbe63281
LP		 591 { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
592 { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
2f198e2f 593 { "unit", required_argument, NULL, ARG_UNIT },
edb9aaa8
LP		 594 { "system", no_argument, NULL, ARG_SYSTEM },
595 { "session", no_argument, NULL, ARG_SESSION },
a16e1123
LP		 596 { "test", no_argument, NULL, ARG_TEST },
597 { "help", no_argument, NULL, 'h' },
598 { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
9e58ff9c
LP		 599 { "dump-core", no_argument, NULL, ARG_DUMP_CORE },
600 { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL },
a16e1123 601 { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
6e98720f 602 { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
07459bb6 603#ifdef HAVE_SYSV_COMPAT
6e98720f 604 { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
07459bb6 605#endif
a16e1123 606 { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
4288f619 607 { "introspect", optional_argument, NULL, ARG_INTROSPECT },
a16e1123 608 { NULL, 0, NULL, 0 }
f170852a
LP		 609 };
610
611 int c, r;
612
613 assert(argc >= 1);
614 assert(argv);
615
1d2e23ab 616 while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
f170852a
LP		 617
618 switch (c) {
619
620 case ARG_LOG_LEVEL:
621 if ((r = log_set_max_level_from_string(optarg)) < 0) {
622 log_error("Failed to parse log level %s.", optarg);
623 return r;
624 }
625
626 break;
627
628 case ARG_LOG_TARGET:
629
630 if ((r = log_set_target_from_string(optarg)) < 0) {
631 log_error("Failed to parse log target %s.", optarg);
632 return r;
633 }
634
635 break;
636
bbe63281
LP		 637 case ARG_LOG_COLOR:
638
d0b170c8
LP		 639 if (optarg) {
640 if ((r = log_show_color_from_string(optarg)) < 0) {
641 log_error("Failed to parse log color setting %s.", optarg);
642 return r;
643 }
644 } else
645 log_show_color(true);
bbe63281
LP		 646
647 break;
648
649 case ARG_LOG_LOCATION:
650
d0b170c8
LP		 651 if (optarg) {
652 if ((r = log_show_location_from_string(optarg)) < 0) {
653 log_error("Failed to parse log location setting %s.", optarg);
654 return r;
655 }
656 } else
657 log_show_location(true);
bbe63281
LP		 658
659 break;
660
2f198e2f 661 case ARG_UNIT:
f170852a
LP		 662
663 if ((r = set_default_unit(optarg)) < 0) {
664 log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
665 return r;
666 }
667
668 break;
669
edb9aaa8
LP		 670 case ARG_SYSTEM:
671 arg_running_as = MANAGER_SYSTEM;
672 break;
a5dab5ce 673
edb9aaa8
LP		 674 case ARG_SESSION:
675 arg_running_as = MANAGER_SESSION;
a5dab5ce 676 break;
a5dab5ce 677
e965d56d 678 case ARG_TEST:
fa0f4d8a 679 arg_action = ACTION_TEST;
e965d56d
LP		 680 break;
681
e537352b 682 case ARG_DUMP_CONFIGURATION_ITEMS:
fa0f4d8a 683 arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
e537352b
LP		 684 break;
685
9e58ff9c
LP		 686 case ARG_DUMP_CORE:
687 arg_dump_core = true;
688 break;
689
690 case ARG_CRASH_SHELL:
691 arg_crash_shell = true;
692 break;
693
80876c20 694 case ARG_CONFIRM_SPAWN:
fa0f4d8a 695 arg_confirm_spawn = true;
80876c20
LP		 696 break;
697
9e58ff9c 698 case ARG_SHOW_STATUS:
6e98720f
LP		 699
700 if (optarg) {
701 if ((r = parse_boolean(optarg)) < 0) {
702 log_error("Failed to show status boolean %s.", optarg);
703 return r;
704 }
705 arg_show_status = r;
706 } else
707 arg_show_status = true;
708 break;
07459bb6 709#ifdef HAVE_SYSV_COMPAT
6e98720f
LP		 710 case ARG_SYSV_CONSOLE:
711
712 if (optarg) {
713 if ((r = parse_boolean(optarg)) < 0) {
714 log_error("Failed to SysV console boolean %s.", optarg);
715 return r;
716 }
717 arg_sysv_console = r;
718 } else
719 arg_sysv_console = true;
9e58ff9c 720 break;
07459bb6 721#endif
9e58ff9c 722
a16e1123
LP		 723 case ARG_DESERIALIZE: {
724 int fd;
725 FILE *f;
726
727 if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) {
728 log_error("Failed to parse deserialize option %s.", optarg);
729 return r;
730 }
731
732 if (!(f = fdopen(fd, "r"))) {
733 log_error("Failed to open serialization fd: %m");
734 return r;
735 }
736
737 if (serialization)
738 fclose(serialization);
739
740 serialization = f;
741
742 break;
743 }
744
4288f619
LP		 745 case ARG_INTROSPECT: {
746 const char * const * i = NULL;
747
748 for (i = bus_interface_table; *i; i += 2)
749 if (!optarg || streq(i[0], optarg)) {
750 fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
751 "<node>\n", stdout);
752 fputs(i[1], stdout);
753 fputs("</node>\n", stdout);
754
755 if (optarg)
756 break;
757 }
758
759 if (!i[0] && optarg)
760 log_error("Unknown interface %s.", optarg);
761
fa0f4d8a 762 arg_action = ACTION_DONE;
4288f619
LP		 763 break;
764 }
765
f170852a 766 case 'h':
fa0f4d8a 767 arg_action = ACTION_HELP;
f170852a
LP		 768 break;
769
1d2e23ab
LP		 770 case 'D':
771 log_set_max_level(LOG_DEBUG);
772 break;
773
f170852a
LP		 774 case '?':
775 return -EINVAL;
776
777 default:
778 log_error("Unknown option code %c", c);
779 return -EINVAL;
780 }
781
51f0e189
LP		 782 /* PID 1 will get the kernel arguments as parameters, which we
783 * ignore and unconditionally read from
784 * /proc/cmdline. However, we need to ignore those arguments
785 * here. */
fa0f4d8a 786 if (arg_running_as != MANAGER_SYSTEM && optind < argc) {
51f0e189
LP		 787 log_error("Excess arguments.");
788 return -EINVAL;
789 }
790
f170852a
LP		 791 return 0;
792}
793
794static int help(void) {
795
2e33c433 796 printf("%s [OPTIONS...]\n\n"
bbe63281 797 "Starts up and maintains the system or a session.\n\n"
e537352b 798 " -h --help Show this help\n"
e537352b 799 " --test Determine startup sequence, dump it and exit\n"
80876c20 800 " --dump-configuration-items Dump understood unit configuration items\n"
bbe63281 801 " --introspect[=INTERFACE] Extract D-Bus interface data\n"
9e58ff9c 802 " --unit=UNIT Set default unit\n"
edb9aaa8
LP		 803 " --system Run a system instance, even if PID != 1\n"
804 " --session Run a session instance\n"
9e58ff9c
LP		 805 " --dump-core Dump core on crash\n"
806 " --crash-shell Run shell on crash\n"
807 " --confirm-spawn Ask for confirmation when spawning processes\n"
6e98720f 808 " --show-status[=0|1] Show status updates on the console during bootup\n"
07459bb6 809#ifdef HAVE_SYSV_COMPAT
6e98720f 810 " --sysv-console[=0|1] Connect output of SysV scripts to console\n"
07459bb6 811#endif
bbe63281 812 " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n"
9e58ff9c 813 " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
2218198b 814 " --log-color[=0|1] Highlight important log messages\n"
bbe63281 815 " --log-location[=0|1] Include code location in log messages\n",
5b6319dc 816 program_invocation_short_name);
f170852a
LP		 817
818 return 0;
819}
820
a16e1123
LP		 821static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
822 FILE *f = NULL;
823 FDSet *fds = NULL;
824 int r;
825
826 assert(m);
827 assert(_f);
828 assert(_fds);
829
d8d5ab98 830 if ((r = manager_open_serialization(m, &f)) < 0) {
a16e1123
LP		 831 log_error("Failed to create serialization faile: %s", strerror(-r));
832 goto fail;
833 }
834
835 if (!(fds = fdset_new())) {
836 r = -ENOMEM;
837 log_error("Failed to allocate fd set: %s", strerror(-r));
838 goto fail;
839 }
840
841 if ((r = manager_serialize(m, f, fds)) < 0) {
842 log_error("Failed to serialize state: %s", strerror(-r));
843 goto fail;
844 }
845
846 if (fseeko(f, 0, SEEK_SET) < 0) {
847 log_error("Failed to rewind serialization fd: %m");
848 goto fail;
849 }
850
851 if ((r = fd_cloexec(fileno(f), false)) < 0) {
852 log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
853 goto fail;
854 }
855
856 if ((r = fdset_cloexec(fds, false)) < 0) {
857 log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
858 goto fail;
859 }
860
861 *_f = f;
862 *_fds = fds;
863
864 return 0;
865
866fail:
867 fdset_free(fds);
868
869 if (f)
870 fclose(f);
871
872 return r;
873}
874
e9ddabc2
LP		 875static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
876 const char *e;
877 unsigned long long a, b;
878
879 assert(t);
880
881 if (!(e = getenv("RD_TIMESTAMP")))
882 return NULL;
883
884 if (sscanf(e, "%llu %llu", &a, &b) != 2)
885 return NULL;
886
887 t->realtime = (usec_t) a;
888 t->monotonic = (usec_t) b;
889
890 return t;
891}
892
6ee5bbf8
LP		 893static void test_mtab(void) {
894 char *p;
895
896 if (readlink_malloc("/etc/mtab", &p) >= 0) {
897 bool b;
898
899 b = streq(p, "/proc/self/mounts");
900 free(p);
901
902 if (b)
903 return;
904 }
905
906 log_error("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
907 "This is not supported anymore. "
908 "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
909}
910
60918275
LP		 911int main(int argc, char *argv[]) {
912 Manager *m = NULL;
22f4096c 913 int r, retval = EXIT_FAILURE;
a16e1123
LP		 914 FDSet *fds = NULL;
915 bool reexecute = false;
b9080b03 916 const char *shutdown_verb = NULL;
e9ddabc2 917 dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
f3b6a3ed 918 char systemd[] = "systemd";
27b14a22 919
2cb1a60d
LP		 920 if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
921 /* This is compatbility support for SysV, where
922 * calling init as a user is identical to telinit. */
923
924 errno = -ENOENT;
925 execv(SYSTEMCTL_BINARY_PATH, argv);
926 log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
927 return 1;
928 }
929
f3b6a3ed
LP		 930 /* If we get started via the /sbin/init symlink then we are
931 called 'init'. After a subsequent reexecution we are then
932 called 'systemd'. That is confusing, hence let's call us
933 systemd right-away. */
934
935 program_invocation_short_name = systemd;
936 prctl(PR_SET_NAME, systemd);
937
2cc59dbf 938 log_show_color(isatty(STDERR_FILENO) > 0);
bbe63281 939 log_show_location(false);
7c706717 940 log_set_max_level(LOG_INFO);
bbe63281 941
843d2643 942 if (getpid() == 1) {
fa0f4d8a 943 arg_running_as = MANAGER_SYSTEM;
843d2643 944 log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
0ff4cdd9 945
c4dcdb9f
LP		 946 /* This might actually not return, but cause a
947 * reexecution */
948 if (selinux_setup(argv) < 0)
949 goto finish;
950
0ff4cdd9
LP		 951 if (label_init() < 0)
952 goto finish;
bbe63281 953 } else {
fa0f4d8a 954 arg_running_as = MANAGER_SESSION;
bbe63281
LP		 955 log_set_target(LOG_TARGET_CONSOLE);
956 }
a5dab5ce 957
f170852a
LP		 958 if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
959 goto finish;
60918275 960
f170852a
LP		 961 /* Mount /proc, /sys and friends, so that /proc/cmdline and
962 * /proc/$PID/fd is available. */
ca326f6f 963 if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
8efe3c01
LP		 964 if (mount_setup() < 0)
965 goto finish;
4ade7963
LP		 966
967 /* Reset all signal handlers. */
968 assert_se(reset_all_signal_handlers() == 0);
969
078e4539 970 /* If we are init, we can block sigkill. Yay. */
9a34ec5f 971 ignore_signals(SIGNALS_IGNORE, -1);
078e4539 972
487393e9
LP		 973 if (parse_config_file() < 0)
974 goto finish;
975
fa0f4d8a 976 if (arg_running_as == MANAGER_SYSTEM)
a5dab5ce
LP		 977 if (parse_proc_cmdline() < 0)
978 goto finish;
f170852a
LP		 979
980 log_parse_environment();
981
982 if (parse_argv(argc, argv) < 0)
983 goto finish;
984
fa0f4d8a 985 if (arg_action == ACTION_HELP) {
f170852a
LP		 986 retval = help();
987 goto finish;
fa0f4d8a 988 } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
e537352b 989 unit_dump_config_items(stdout);
22f4096c 990 retval = EXIT_SUCCESS;
e537352b 991 goto finish;
fa0f4d8a 992 } else if (arg_action == ACTION_DONE) {
22f4096c 993 retval = EXIT_SUCCESS;
4288f619 994 goto finish;
f170852a
LP		 995 }
996
fa0f4d8a 997 assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
f170852a 998
a16e1123
LP		 999 /* Remember open file descriptors for later deserialization */
1000 if (serialization) {
1001 if ((r = fdset_new_fill(&fds)) < 0) {
1002 log_error("Failed to allocate fd set: %s", strerror(-r));
1003 goto finish;
1004 }
1005
1006 assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
1007 } else
1008 close_all_fds(NULL, 0);
1009
09082a94 1010 /* Set up PATH unless it is already set */
e537352b
LP		 1011 setenv("PATH",
1012 "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
fa0f4d8a 1013 arg_running_as == MANAGER_SYSTEM);
09082a94 1014
39439087 1015 if (arg_running_as == MANAGER_SYSTEM) {
e9ddabc2
LP		 1016 /* Parse the data passed to us by the initrd and unset it */
1017 parse_initrd_timestamp(&initrd_timestamp);
1018 filter_environ("RD_");
1019
1020 /* Unset some environment variables passed in from the
1021 * kernel that don't really make sense for us. */
39439087
LP		 1022 unsetenv("HOME");
1023 unsetenv("TERM");
1024 }
1104f3c1 1025
f170852a
LP		 1026 /* Move out of the way, so that we won't block unmounts */
1027 assert_se(chdir("/") == 0);
1028
fa0f4d8a 1029 if (arg_running_as == MANAGER_SYSTEM) {
80876c20
LP		 1030 /* Become a session leader if we aren't one yet. */
1031 setsid();
4ade7963 1032
80876c20
LP		 1033 /* Disable the umask logic */
1034 umask(0);
1035 }
1036
843d2643
LP		 1037 /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
1038 dbus_connection_set_change_sigpipe(FALSE);
1039
2146621b
LP		 1040 /* Reset the console, but only if this is really init and we
1041 * are freshly booted */
fa0f4d8a 1042 if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
2146621b 1043 console_setup(getpid() == 1 && !serialization);
843d2643
LP		 1044 make_null_stdio();
1045 }
4ade7963 1046
18149b9f 1047 /* Open the logging devices, if possible and necessary */
843d2643 1048 log_open();
4ade7963 1049
5373d602
LP		 1050 /* Make sure we leave a core dump without panicing the
1051 * kernel. */
4fc935ca
LP		 1052 if (getpid() == 1)
1053 install_crash_handler();
97c4f35c 1054
302e27c8 1055 log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
7d568925 1056 PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
a5dab5ce 1057
888c6216 1058 if (arg_running_as == MANAGER_SYSTEM && !serialization) {
72bca11b
LP		 1059 locale_setup();
1060
888c6216
LP		 1061 if (arg_show_status)
1062 status_welcome();
1063
888c6216
LP		 1064 kmod_setup();
1065 hostname_setup();
1066 loopback_setup();
490aed58
LP		 1067
1068 mkdir_p("/dev/.systemd/ask-password/", 0755);
6ee5bbf8
LP		 1069
1070 test_mtab();
af5bc85d 1071 }
302e8c4c 1072
9e58ff9c 1073 if ((r = manager_new(arg_running_as, &m)) < 0) {
8e274523 1074 log_error("Failed to allocate manager object: %s", strerror(-r));
60918275
LP		 1075 goto finish;
1076 }
1077
9e58ff9c
LP		 1078 m->confirm_spawn = arg_confirm_spawn;
1079 m->show_status = arg_show_status;
07459bb6 1080#ifdef HAVE_SYSV_COMPAT
6e98720f 1081 m->sysv_console = arg_sysv_console;
07459bb6 1082#endif
d3689161 1083 m->mount_auto = arg_mount_auto;
173a8d04 1084 m->swap_auto = arg_swap_auto;
9e58ff9c 1085
e9ddabc2
LP		 1086 if (dual_timestamp_is_set(&initrd_timestamp))
1087 m->initrd_timestamp = initrd_timestamp;
1088
b2bb3dbe
LP		 1089 if (arg_console)
1090 manager_set_console(m, arg_console);
1091
a16e1123 1092 if ((r = manager_startup(m, serialization, fds)) < 0)
6e2ef85b 1093 log_error("Failed to fully start up daemon: %s", strerror(-r));
a16e1123
LP		 1094
1095 if (fds) {
1096 /* This will close all file descriptors that were opened, but
1097 * not claimed by any unit. */
1098
1099 fdset_free(fds);
1100 fds = NULL;
f50e0a01
LP		 1101 }
1102
a16e1123
LP		 1103 if (serialization) {
1104 fclose(serialization);
1105 serialization = NULL;
1106 } else {
398ef8ba 1107 DBusError error;
1c27d3f3 1108 Unit *target = NULL;
398ef8ba
LP		 1109
1110 dbus_error_init(&error);
1111
fa0f4d8a 1112 log_debug("Activating default unit: %s", arg_default_unit);
a16e1123 1113
398ef8ba
LP		 1114 if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) {
1115 log_error("Failed to load default target: %s", bus_error(&error, r));
1116 dbus_error_free(&error);
00dc5d76 1117 } else if (target->meta.load_state == UNIT_ERROR)
1c27d3f3 1118 log_error("Failed to load default target: %s", strerror(-target->meta.load_error));
6daf4f90
LP		 1119 else if (target->meta.load_state == UNIT_MASKED)
1120 log_error("Default target masked.");
27b14a22 1121
1c27d3f3 1122 if (!target || target->meta.load_state != UNIT_LOADED) {
a16e1123 1123 log_info("Trying to load rescue target...");
1c27d3f3 1124
398ef8ba
LP		 1125 if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) {
1126 log_error("Failed to load rescue target: %s", bus_error(&error, r));
1127 dbus_error_free(&error);
a16e1123 1128 goto finish;
00dc5d76 1129 } else if (target->meta.load_state == UNIT_ERROR) {
1c27d3f3
LP		 1130 log_error("Failed to load rescue target: %s", strerror(-target->meta.load_error));
1131 goto finish;
6daf4f90
LP		 1132 } else if (target->meta.load_state == UNIT_MASKED) {
1133 log_error("Rescue target masked.");
00dc5d76 1134 goto finish;
a16e1123
LP		 1135 }
1136 }
37d88da7 1137
00dc5d76
LP		 1138 assert(target->meta.load_state == UNIT_LOADED);
1139
fa0f4d8a 1140 if (arg_action == ACTION_TEST) {
40d50879 1141 printf("-> By units:\n");
a16e1123
LP		 1142 manager_dump_units(m, stdout, "\t");
1143 }
1144
0ff4cdd9 1145 if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) {
398ef8ba
LP		 1146 log_error("Failed to start default target: %s", bus_error(&error, r));
1147 dbus_error_free(&error);
37d88da7
LP		 1148 goto finish;
1149 }
60918275 1150
fa0f4d8a 1151 if (arg_action == ACTION_TEST) {
40d50879 1152 printf("-> By jobs:\n");
a16e1123 1153 manager_dump_jobs(m, stdout, "\t");
22f4096c 1154 retval = EXIT_SUCCESS;
a16e1123
LP		 1155 goto finish;
1156 }
e965d56d 1157 }
d46de8a1 1158
a16e1123
LP		 1159 for (;;) {
1160 if ((r = manager_loop(m)) < 0) {
1161 log_error("Failed to run mainloop: %s", strerror(-r));
1162 goto finish;
1163 }
11dd41ce 1164
a16e1123 1165 switch (m->exit_code) {
e965d56d 1166
a16e1123 1167 case MANAGER_EXIT:
22f4096c 1168 retval = EXIT_SUCCESS;
a16e1123
LP		 1169 log_debug("Exit.");
1170 goto finish;
e965d56d 1171
a16e1123 1172 case MANAGER_RELOAD:
e015090f 1173 log_info("Reloading.");
a16e1123
LP		 1174 if ((r = manager_reload(m)) < 0)
1175 log_error("Failed to reload: %s", strerror(-r));
1176 break;
cea8e32e 1177
a16e1123 1178 case MANAGER_REEXECUTE:
a16e1123
LP		 1179 if (prepare_reexecute(m, &serialization, &fds) < 0)
1180 goto finish;
60918275 1181
a16e1123 1182 reexecute = true;
e015090f 1183 log_notice("Reexecuting.");
a16e1123
LP		 1184 goto finish;
1185
b9080b03
FF		 1186 case MANAGER_REBOOT:
1187 case MANAGER_POWEROFF:
1188 case MANAGER_HALT:
1189 case MANAGER_KEXEC: {
1190 static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
1191 [MANAGER_REBOOT] = "reboot",
1192 [MANAGER_POWEROFF] = "poweroff",
1193 [MANAGER_HALT] = "halt",
1194 [MANAGER_KEXEC] = "kexec"
1195 };
1196
1197 assert_se(shutdown_verb = table[m->exit_code]);
1198
1199 log_notice("Shutting down.");
1200 goto finish;
1201 }
1202
a16e1123
LP		 1203 default:
1204 assert_not_reached("Unknown exit code.");
1205 }
1206 }
f170852a 1207
60918275
LP		 1208finish:
1209 if (m)
1210 manager_free(m);
1211
fa0f4d8a 1212 free(arg_default_unit);
b2bb3dbe 1213 free(arg_console);
b9cd2ec1 1214
ea430986
LP		 1215 dbus_shutdown();
1216
b2bb3dbe
LP		 1217 label_finish();
1218
a16e1123 1219 if (reexecute) {
6e98720f 1220 const char *args[15];
a16e1123
LP		 1221 unsigned i = 0;
1222 char sfd[16];
1223
1224 assert(serialization);
1225 assert(fds);
1226
1227 args[i++] = SYSTEMD_BINARY_PATH;
1228
1229 args[i++] = "--log-level";
1230 args[i++] = log_level_to_string(log_get_max_level());
1231
1232 args[i++] = "--log-target";
1233 args[i++] = log_target_to_string(log_get_target());
1234
edb9aaa8
LP		 1235 if (arg_running_as == MANAGER_SYSTEM)
1236 args[i++] = "--system";
1237 else
1238 args[i++] = "--session";
1239
1240 if (arg_dump_core)
1241 args[i++] = "--dump-core";
1242
1243 if (arg_crash_shell)
1244 args[i++] = "--crash-shell";
1245
1246 if (arg_confirm_spawn)
1247 args[i++] = "--confirm-spawn";
1248
1249 if (arg_show_status)
6e98720f
LP		 1250 args[i++] = "--show-status=1";
1251 else
1252 args[i++] = "--show-status=0";
1253
07459bb6 1254#ifdef HAVE_SYSV_COMPAT
6e98720f
LP		 1255 if (arg_sysv_console)
1256 args[i++] = "--sysv-console=1";
1257 else
1258 args[i++] = "--sysv-console=0";
07459bb6 1259#endif
a16e1123
LP		 1260
1261 snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
1262 char_array_0(sfd);
1263
1264 args[i++] = "--deserialize";
1265 args[i++] = sfd;
1266
a16e1123
LP		 1267 args[i++] = NULL;
1268
1269 assert(i <= ELEMENTSOF(args));
1270
1271 execv(args[0], (char* const*) args);
1272
1273 log_error("Failed to reexecute: %m");
1274 }
1275
1276 if (serialization)
1277 fclose(serialization);
1278
1279 if (fds)
1280 fdset_free(fds);
1281
b9080b03
FF		 1282 if (shutdown_verb) {
1283 const char * command_line[] = {
1284 SYSTEMD_SHUTDOWN_BINARY_PATH,
1285 shutdown_verb,
1286 NULL
1287 };
1288
1289 execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line);
1290 log_error("Failed to execute shutdown binary, freezing: %m");
1291 }
1292
c3b3c274
LP		 1293 if (getpid() == 1)
1294 freeze();
1295
60918275
LP		 1296 return retval;
1297}
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