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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" |
d7ccca2e | 44 | #include "machine-id-setup.h" |
302e8c4c | 45 | #include "load-fragment.h" |
a16e1123 | 46 | #include "fdset.h" |
514f4ef5 | 47 | #include "special.h" |
487393e9 | 48 | #include "conf-parser.h" |
398ef8ba | 49 | #include "bus-errors.h" |
ad780f19 | 50 | #include "missing.h" |
e51bc1a2 | 51 | #include "label.h" |
302e27c8 | 52 | #include "build.h" |
06d4c99a | 53 | #include "strv.h" |
f6a6225e | 54 | #include "def.h" |
b52aae1d | 55 | #include "virt.h" |
60918275 | 56 | |
f170852a LP |
57 | static enum { |
58 | ACTION_RUN, | |
e965d56d | 59 | ACTION_HELP, |
e537352b | 60 | ACTION_TEST, |
4288f619 LP |
61 | ACTION_DUMP_CONFIGURATION_ITEMS, |
62 | ACTION_DONE | |
fa0f4d8a | 63 | } arg_action = ACTION_RUN; |
f170852a | 64 | |
fa0f4d8a LP |
65 | static char *arg_default_unit = NULL; |
66 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; | |
67 | ||
68 | static bool arg_dump_core = true; | |
69 | static bool arg_crash_shell = false; | |
70 | static int arg_crash_chvt = -1; | |
71 | static bool arg_confirm_spawn = false; | |
9e58ff9c | 72 | static bool arg_show_status = true; |
07459bb6 | 73 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 74 | static bool arg_sysv_console = true; |
07459bb6 | 75 | #endif |
d3689161 | 76 | static bool arg_mount_auto = true; |
173a8d04 | 77 | static bool arg_swap_auto = true; |
06d4c99a | 78 | static char **arg_default_controllers = NULL; |
0c85a4f3 | 79 | static char ***arg_join_controllers = NULL; |
706343f4 | 80 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 81 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
4fc935ca | 82 | |
a16e1123 | 83 | static FILE* serialization = NULL; |
80876c20 | 84 | |
6f5e3f35 LP |
85 | static void nop_handler(int sig) { |
86 | } | |
87 | ||
93a46b0b | 88 | _noreturn_ static void crash(int sig) { |
97c4f35c | 89 | |
fa0f4d8a | 90 | if (!arg_dump_core) |
582a507f | 91 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 92 | else { |
6f5e3f35 | 93 | struct sigaction sa; |
97c4f35c LP |
94 | pid_t pid; |
95 | ||
6f5e3f35 LP |
96 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
97 | zero(sa); | |
98 | sa.sa_handler = nop_handler; | |
99 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
100 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
101 | ||
97c4f35c | 102 | if ((pid = fork()) < 0) |
582a507f | 103 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
104 | |
105 | else if (pid == 0) { | |
97c4f35c LP |
106 | struct rlimit rl; |
107 | ||
108 | /* Enable default signal handler for core dump */ | |
109 | zero(sa); | |
110 | sa.sa_handler = SIG_DFL; | |
111 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
112 | ||
113 | /* Don't limit the core dump size */ | |
114 | zero(rl); | |
115 | rl.rlim_cur = RLIM_INFINITY; | |
116 | rl.rlim_max = RLIM_INFINITY; | |
117 | setrlimit(RLIMIT_CORE, &rl); | |
118 | ||
119 | /* Just to be sure... */ | |
120 | assert_se(chdir("/") == 0); | |
121 | ||
122 | /* Raise the signal again */ | |
123 | raise(sig); | |
124 | ||
125 | assert_not_reached("We shouldn't be here..."); | |
126 | _exit(1); | |
4fc935ca LP |
127 | |
128 | } else { | |
8e12a6ae LP |
129 | siginfo_t status; |
130 | int r; | |
4fc935ca LP |
131 | |
132 | /* Order things nicely. */ | |
8e12a6ae LP |
133 | if ((r = wait_for_terminate(pid, &status)) < 0) |
134 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r)); | |
135 | else if (status.si_code != CLD_DUMPED) | |
582a507f | 136 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 137 | else |
582a507f | 138 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
139 | } |
140 | } | |
141 | ||
fa0f4d8a LP |
142 | if (arg_crash_chvt) |
143 | chvt(arg_crash_chvt); | |
601f6a1e | 144 | |
fa0f4d8a | 145 | if (arg_crash_shell) { |
6f5e3f35 LP |
146 | struct sigaction sa; |
147 | pid_t pid; | |
8c43883a | 148 | |
4fc935ca LP |
149 | log_info("Executing crash shell in 10s..."); |
150 | sleep(10); | |
151 | ||
6f5e3f35 LP |
152 | /* Let the kernel reap children for us */ |
153 | zero(sa); | |
154 | sa.sa_handler = SIG_IGN; | |
155 | sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; | |
156 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
8c43883a | 157 | |
6f5e3f35 LP |
158 | if ((pid = fork()) < 0) |
159 | log_error("Failed to fork off crash shell: %s", strerror(errno)); | |
160 | else if (pid == 0) { | |
843d2643 | 161 | int fd, r; |
ea5652c2 | 162 | |
21de3988 | 163 | if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0) |
ea5652c2 | 164 | log_error("Failed to acquire terminal: %s", strerror(-fd)); |
5b2a0903 | 165 | else if ((r = make_stdio(fd)) < 0) |
843d2643 | 166 | log_error("Failed to duplicate terminal fd: %s", strerror(-r)); |
ea5652c2 | 167 | |
6f5e3f35 LP |
168 | execl("/bin/sh", "/bin/sh", NULL); |
169 | ||
170 | log_error("execl() failed: %s", strerror(errno)); | |
171 | _exit(1); | |
172 | } | |
c99b188e | 173 | |
f8e08a77 | 174 | log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
175 | } |
176 | ||
177 | log_info("Freezing execution."); | |
97c4f35c LP |
178 | freeze(); |
179 | } | |
180 | ||
181 | static void install_crash_handler(void) { | |
182 | struct sigaction sa; | |
183 | ||
184 | zero(sa); | |
185 | ||
186 | sa.sa_handler = crash; | |
187 | sa.sa_flags = SA_NODEFER; | |
188 | ||
1b91d3e8 | 189 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 190 | } |
f170852a | 191 | |
843d2643 LP |
192 | static int console_setup(bool do_reset) { |
193 | int tty_fd, r; | |
80876c20 | 194 | |
843d2643 LP |
195 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
196 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 197 | |
843d2643 LP |
198 | release_terminal(); |
199 | ||
200 | if (!do_reset) | |
201 | return 0; | |
80876c20 | 202 | |
843d2643 LP |
203 | if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) { |
204 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); | |
205 | return -tty_fd; | |
206 | } | |
80876c20 | 207 | |
6ea832a2 | 208 | if ((r = reset_terminal_fd(tty_fd)) < 0) |
843d2643 LP |
209 | log_error("Failed to reset /dev/console: %s", strerror(-r)); |
210 | ||
211 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
212 | return r; |
213 | } | |
214 | ||
f170852a LP |
215 | static int set_default_unit(const char *u) { |
216 | char *c; | |
217 | ||
218 | assert(u); | |
219 | ||
220 | if (!(c = strdup(u))) | |
221 | return -ENOMEM; | |
222 | ||
fa0f4d8a LP |
223 | free(arg_default_unit); |
224 | arg_default_unit = c; | |
f170852a LP |
225 | return 0; |
226 | } | |
227 | ||
228 | static int parse_proc_cmdline_word(const char *word) { | |
229 | ||
230 | static const char * const rlmap[] = { | |
ed370f5d | 231 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 232 | "-b", SPECIAL_EMERGENCY_TARGET, |
ed370f5d LP |
233 | "single", SPECIAL_RESCUE_TARGET, |
234 | "-s", SPECIAL_RESCUE_TARGET, | |
235 | "s", SPECIAL_RESCUE_TARGET, | |
236 | "S", SPECIAL_RESCUE_TARGET, | |
237 | "1", SPECIAL_RESCUE_TARGET, | |
238 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
239 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
240 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
241 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
242 | }; |
243 | ||
5192bd19 LP |
244 | assert(word); |
245 | ||
2f198e2f LP |
246 | if (startswith(word, "systemd.unit=")) |
247 | return set_default_unit(word + 13); | |
f170852a LP |
248 | |
249 | else if (startswith(word, "systemd.log_target=")) { | |
250 | ||
251 | if (log_set_target_from_string(word + 19) < 0) | |
252 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
253 | ||
254 | } else if (startswith(word, "systemd.log_level=")) { | |
255 | ||
256 | if (log_set_max_level_from_string(word + 18) < 0) | |
257 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
258 | ||
bbe63281 LP |
259 | } else if (startswith(word, "systemd.log_color=")) { |
260 | ||
261 | if (log_show_color_from_string(word + 18) < 0) | |
262 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
263 | ||
264 | } else if (startswith(word, "systemd.log_location=")) { | |
265 | ||
266 | if (log_show_location_from_string(word + 21) < 0) | |
267 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
268 | ||
4fc935ca LP |
269 | } else if (startswith(word, "systemd.dump_core=")) { |
270 | int r; | |
271 | ||
272 | if ((r = parse_boolean(word + 18)) < 0) | |
509b6efb | 273 | log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18); |
4fc935ca | 274 | else |
fa0f4d8a | 275 | arg_dump_core = r; |
4fc935ca LP |
276 | |
277 | } else if (startswith(word, "systemd.crash_shell=")) { | |
278 | int r; | |
279 | ||
280 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 281 | log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20); |
4fc935ca | 282 | else |
fa0f4d8a | 283 | arg_crash_shell = r; |
5e7ee61c LP |
284 | |
285 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
286 | int r; | |
287 | ||
288 | if ((r = parse_boolean(word + 22)) < 0) | |
509b6efb | 289 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); |
5e7ee61c | 290 | else |
fa0f4d8a | 291 | arg_confirm_spawn = r; |
5e7ee61c | 292 | |
601f6a1e LP |
293 | } else if (startswith(word, "systemd.crash_chvt=")) { |
294 | int k; | |
295 | ||
296 | if (safe_atoi(word + 19, &k) < 0) | |
509b6efb | 297 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19); |
601f6a1e | 298 | else |
fa0f4d8a | 299 | arg_crash_chvt = k; |
601f6a1e | 300 | |
9e58ff9c LP |
301 | } else if (startswith(word, "systemd.show_status=")) { |
302 | int r; | |
303 | ||
304 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 305 | log_warning("Failed to parse show status switch %s. Ignoring.", word + 20); |
6e98720f | 306 | else |
9e58ff9c | 307 | arg_show_status = r; |
0a494f1f LP |
308 | } else if (startswith(word, "systemd.default_standard_output=")) { |
309 | int r; | |
310 | ||
311 | if ((r = exec_output_from_string(word + 32)) < 0) | |
509b6efb | 312 | log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); |
0a494f1f LP |
313 | else |
314 | arg_default_std_output = r; | |
315 | } else if (startswith(word, "systemd.default_standard_error=")) { | |
316 | int r; | |
317 | ||
318 | if ((r = exec_output_from_string(word + 31)) < 0) | |
509b6efb | 319 | log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); |
0a494f1f LP |
320 | else |
321 | arg_default_std_error = r; | |
07459bb6 | 322 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
323 | } else if (startswith(word, "systemd.sysv_console=")) { |
324 | int r; | |
325 | ||
326 | if ((r = parse_boolean(word + 21)) < 0) | |
509b6efb | 327 | log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20); |
6e98720f LP |
328 | else |
329 | arg_sysv_console = r; | |
07459bb6 | 330 | #endif |
9e58ff9c | 331 | |
4fc935ca LP |
332 | } else if (startswith(word, "systemd.")) { |
333 | ||
334 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
335 | ||
bbe63281 LP |
336 | log_info("Supported kernel switches:\n" |
337 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 338 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 339 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 340 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 341 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f | 342 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
07459bb6 | 343 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 344 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" |
07459bb6 | 345 | #endif |
4cfa2c99 | 346 | "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n" |
6e98720f LP |
347 | " Log target\n" |
348 | "systemd.log_level=LEVEL Log level\n" | |
349 | "systemd.log_color=0|1 Highlight important log messages\n" | |
0a494f1f | 350 | "systemd.log_location=0|1 Include code location in log messages\n" |
706343f4 | 351 | "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 352 | " Set default log output for services\n" |
706343f4 | 353 | "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 354 | " Set default log error output for services\n"); |
4fc935ca | 355 | |
a9c501a5 | 356 | } else if (streq(word, "quiet")) { |
6e98720f | 357 | arg_show_status = false; |
07459bb6 | 358 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 359 | arg_sysv_console = false; |
07459bb6 | 360 | #endif |
9e58ff9c | 361 | } else { |
f170852a LP |
362 | unsigned i; |
363 | ||
364 | /* SysV compatibility */ | |
f170852a LP |
365 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
366 | if (streq(word, rlmap[i])) | |
367 | return set_default_unit(rlmap[i+1]); | |
368 | } | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
f975e971 | 373 | static int config_parse_level2( |
487393e9 LP |
374 | const char *filename, |
375 | unsigned line, | |
376 | const char *section, | |
377 | const char *lvalue, | |
3731f1ea | 378 | int ltype, |
487393e9 LP |
379 | const char *rvalue, |
380 | void *data, | |
381 | void *userdata) { | |
382 | ||
383 | assert(filename); | |
384 | assert(lvalue); | |
385 | assert(rvalue); | |
386 | ||
387 | log_set_max_level_from_string(rvalue); | |
388 | return 0; | |
389 | } | |
390 | ||
391 | static int config_parse_target( | |
392 | const char *filename, | |
393 | unsigned line, | |
394 | const char *section, | |
395 | const char *lvalue, | |
3731f1ea | 396 | int ltype, |
487393e9 LP |
397 | const char *rvalue, |
398 | void *data, | |
399 | void *userdata) { | |
400 | ||
401 | assert(filename); | |
402 | assert(lvalue); | |
403 | assert(rvalue); | |
404 | ||
405 | log_set_target_from_string(rvalue); | |
406 | return 0; | |
407 | } | |
408 | ||
409 | static int config_parse_color( | |
410 | const char *filename, | |
411 | unsigned line, | |
412 | const char *section, | |
413 | const char *lvalue, | |
3731f1ea | 414 | int ltype, |
487393e9 LP |
415 | const char *rvalue, |
416 | void *data, | |
417 | void *userdata) { | |
418 | ||
419 | assert(filename); | |
420 | assert(lvalue); | |
421 | assert(rvalue); | |
422 | ||
423 | log_show_color_from_string(rvalue); | |
424 | return 0; | |
425 | } | |
426 | ||
427 | static int config_parse_location( | |
428 | const char *filename, | |
429 | unsigned line, | |
430 | const char *section, | |
431 | const char *lvalue, | |
3731f1ea | 432 | int ltype, |
487393e9 LP |
433 | const char *rvalue, |
434 | void *data, | |
435 | void *userdata) { | |
436 | ||
437 | assert(filename); | |
438 | assert(lvalue); | |
439 | assert(rvalue); | |
440 | ||
441 | log_show_location_from_string(rvalue); | |
442 | return 0; | |
443 | } | |
444 | ||
f975e971 | 445 | static int config_parse_cpu_affinity2( |
487393e9 LP |
446 | const char *filename, |
447 | unsigned line, | |
448 | const char *section, | |
449 | const char *lvalue, | |
3731f1ea | 450 | int ltype, |
487393e9 LP |
451 | const char *rvalue, |
452 | void *data, | |
453 | void *userdata) { | |
454 | ||
455 | char *w; | |
456 | size_t l; | |
457 | char *state; | |
458 | cpu_set_t *c = NULL; | |
459 | unsigned ncpus = 0; | |
460 | ||
461 | assert(filename); | |
462 | assert(lvalue); | |
463 | assert(rvalue); | |
464 | ||
f60f22df | 465 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
466 | char *t; |
467 | int r; | |
468 | unsigned cpu; | |
469 | ||
470 | if (!(t = strndup(w, l))) | |
471 | return -ENOMEM; | |
472 | ||
473 | r = safe_atou(t, &cpu); | |
474 | free(t); | |
475 | ||
476 | if (!c) | |
477 | if (!(c = cpu_set_malloc(&ncpus))) | |
478 | return -ENOMEM; | |
479 | ||
480 | if (r < 0 || cpu >= ncpus) { | |
481 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
482 | CPU_FREE(c); | |
483 | return -EBADMSG; | |
484 | } | |
485 | ||
486 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
487 | } | |
488 | ||
489 | if (c) { | |
490 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
491 | log_warning("Failed to set CPU affinity: %m"); | |
492 | ||
493 | CPU_FREE(c); | |
494 | } | |
495 | ||
496 | return 0; | |
497 | } | |
498 | ||
0c85a4f3 LP |
499 | static void strv_free_free(char ***l) { |
500 | char ***i; | |
501 | ||
502 | if (!l) | |
503 | return; | |
504 | ||
505 | for (i = l; *i; i++) | |
506 | strv_free(*i); | |
507 | ||
508 | free(l); | |
509 | } | |
510 | ||
511 | static void free_join_controllers(void) { | |
512 | if (!arg_join_controllers) | |
513 | return; | |
514 | ||
515 | strv_free_free(arg_join_controllers); | |
516 | arg_join_controllers = NULL; | |
517 | } | |
518 | ||
519 | static int config_parse_join_controllers( | |
520 | const char *filename, | |
521 | unsigned line, | |
522 | const char *section, | |
523 | const char *lvalue, | |
524 | int ltype, | |
525 | const char *rvalue, | |
526 | void *data, | |
527 | void *userdata) { | |
528 | ||
529 | unsigned n = 0; | |
530 | char *state, *w; | |
531 | size_t length; | |
532 | ||
533 | assert(filename); | |
534 | assert(lvalue); | |
535 | assert(rvalue); | |
536 | ||
537 | free_join_controllers(); | |
538 | ||
539 | FOREACH_WORD_QUOTED(w, length, rvalue, state) { | |
540 | char *s, **l; | |
541 | ||
542 | s = strndup(w, length); | |
543 | if (!s) | |
544 | return -ENOMEM; | |
545 | ||
546 | l = strv_split(s, ","); | |
547 | free(s); | |
548 | ||
549 | strv_uniq(l); | |
550 | ||
551 | if (strv_length(l) <= 1) { | |
552 | strv_free(l); | |
553 | continue; | |
554 | } | |
555 | ||
556 | if (!arg_join_controllers) { | |
557 | arg_join_controllers = new(char**, 2); | |
558 | if (!arg_join_controllers) { | |
559 | strv_free(l); | |
560 | return -ENOMEM; | |
561 | } | |
562 | ||
563 | arg_join_controllers[0] = l; | |
564 | arg_join_controllers[1] = NULL; | |
565 | ||
566 | n = 1; | |
567 | } else { | |
568 | char ***a; | |
569 | char ***t; | |
570 | ||
571 | t = new0(char**, n+2); | |
572 | if (!t) { | |
573 | strv_free(l); | |
574 | return -ENOMEM; | |
575 | } | |
576 | ||
577 | n = 0; | |
578 | ||
579 | for (a = arg_join_controllers; *a; a++) { | |
580 | ||
581 | if (strv_overlap(*a, l)) { | |
582 | char **c; | |
583 | ||
584 | c = strv_merge(*a, l); | |
585 | if (!c) { | |
586 | strv_free(l); | |
587 | strv_free_free(t); | |
588 | return -ENOMEM; | |
589 | } | |
590 | ||
591 | strv_free(l); | |
592 | l = c; | |
593 | } else { | |
594 | char **c; | |
595 | ||
596 | c = strv_copy(*a); | |
597 | if (!c) { | |
598 | strv_free(l); | |
599 | strv_free_free(t); | |
600 | return -ENOMEM; | |
601 | } | |
602 | ||
603 | t[n++] = c; | |
604 | } | |
605 | } | |
606 | ||
607 | t[n++] = strv_uniq(l); | |
608 | ||
609 | strv_free_free(arg_join_controllers); | |
610 | arg_join_controllers = t; | |
611 | } | |
612 | } | |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
487393e9 LP |
617 | static int parse_config_file(void) { |
618 | ||
f975e971 LP |
619 | const ConfigTableItem items[] = { |
620 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, | |
621 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
622 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
623 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
624 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
625 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
626 | { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status }, | |
07459bb6 | 627 | #ifdef HAVE_SYSV_COMPAT |
f975e971 | 628 | { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console }, |
07459bb6 | 629 | #endif |
f975e971 LP |
630 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, |
631 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
632 | { "Manager", "MountAuto", config_parse_bool, 0, &arg_mount_auto }, | |
633 | { "Manager", "SwapAuto", config_parse_bool, 0, &arg_swap_auto }, | |
634 | { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers }, | |
635 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, | |
636 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
0c85a4f3 | 637 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, |
f975e971 | 638 | { NULL, NULL, NULL, 0, NULL } |
487393e9 LP |
639 | }; |
640 | ||
641 | FILE *f; | |
642 | const char *fn; | |
643 | int r; | |
644 | ||
af2d49f7 | 645 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE; |
f975e971 LP |
646 | f = fopen(fn, "re"); |
647 | if (!f) { | |
487393e9 LP |
648 | if (errno == ENOENT) |
649 | return 0; | |
650 | ||
651 | log_warning("Failed to open configuration file '%s': %m", fn); | |
652 | return 0; | |
653 | } | |
654 | ||
f975e971 LP |
655 | r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL); |
656 | if (r < 0) | |
487393e9 LP |
657 | log_warning("Failed to parse configuration file: %s", strerror(-r)); |
658 | ||
659 | fclose(f); | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
f170852a | 664 | static int parse_proc_cmdline(void) { |
52661efd | 665 | char *line, *w, *state; |
f170852a | 666 | int r; |
f170852a | 667 | size_t l; |
f170852a | 668 | |
b770165a LP |
669 | /* Don't read /proc/cmdline if we are in a container, since |
670 | * that is only relevant for the host system */ | |
671 | if (detect_container(NULL) > 0) | |
672 | return 0; | |
673 | ||
f170852a | 674 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { |
e364ad06 | 675 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
676 | return 0; |
677 | } | |
678 | ||
679 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
680 | char *word; | |
681 | ||
682 | if (!(word = strndup(w, l))) { | |
683 | r = -ENOMEM; | |
684 | goto finish; | |
685 | } | |
686 | ||
687 | r = parse_proc_cmdline_word(word); | |
688 | free(word); | |
689 | ||
690 | if (r < 0) | |
691 | goto finish; | |
692 | } | |
693 | ||
694 | r = 0; | |
695 | ||
696 | finish: | |
697 | free(line); | |
698 | return r; | |
699 | } | |
700 | ||
701 | static int parse_argv(int argc, char *argv[]) { | |
702 | ||
703 | enum { | |
704 | ARG_LOG_LEVEL = 0x100, | |
705 | ARG_LOG_TARGET, | |
bbe63281 LP |
706 | ARG_LOG_COLOR, |
707 | ARG_LOG_LOCATION, | |
2f198e2f | 708 | ARG_UNIT, |
edb9aaa8 | 709 | ARG_SYSTEM, |
af2d49f7 | 710 | ARG_USER, |
e537352b | 711 | ARG_TEST, |
80876c20 | 712 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
713 | ARG_DUMP_CORE, |
714 | ARG_CRASH_SHELL, | |
a16e1123 | 715 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 716 | ARG_SHOW_STATUS, |
6e98720f | 717 | ARG_SYSV_CONSOLE, |
4288f619 | 718 | ARG_DESERIALIZE, |
0a494f1f LP |
719 | ARG_INTROSPECT, |
720 | ARG_DEFAULT_STD_OUTPUT, | |
721 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
722 | }; |
723 | ||
724 | static const struct option options[] = { | |
a16e1123 LP |
725 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
726 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
727 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
728 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 729 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 730 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 731 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 LP |
732 | { "test", no_argument, NULL, ARG_TEST }, |
733 | { "help", no_argument, NULL, 'h' }, | |
734 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
735 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
736 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 737 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 738 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
07459bb6 | 739 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 740 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, |
07459bb6 | 741 | #endif |
a16e1123 | 742 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 743 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
0a494f1f LP |
744 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
745 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
a16e1123 | 746 | { NULL, 0, NULL, 0 } |
f170852a LP |
747 | }; |
748 | ||
749 | int c, r; | |
750 | ||
751 | assert(argc >= 1); | |
752 | assert(argv); | |
753 | ||
b770165a LP |
754 | if (getpid() == 1) |
755 | opterr = 0; | |
756 | ||
099663ff | 757 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
758 | |
759 | switch (c) { | |
760 | ||
761 | case ARG_LOG_LEVEL: | |
762 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
763 | log_error("Failed to parse log level %s.", optarg); | |
764 | return r; | |
765 | } | |
766 | ||
767 | break; | |
768 | ||
769 | case ARG_LOG_TARGET: | |
770 | ||
771 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
772 | log_error("Failed to parse log target %s.", optarg); | |
773 | return r; | |
774 | } | |
775 | ||
776 | break; | |
777 | ||
bbe63281 LP |
778 | case ARG_LOG_COLOR: |
779 | ||
d0b170c8 LP |
780 | if (optarg) { |
781 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
782 | log_error("Failed to parse log color setting %s.", optarg); | |
783 | return r; | |
784 | } | |
785 | } else | |
786 | log_show_color(true); | |
bbe63281 LP |
787 | |
788 | break; | |
789 | ||
790 | case ARG_LOG_LOCATION: | |
791 | ||
d0b170c8 LP |
792 | if (optarg) { |
793 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
794 | log_error("Failed to parse log location setting %s.", optarg); | |
795 | return r; | |
796 | } | |
797 | } else | |
798 | log_show_location(true); | |
bbe63281 LP |
799 | |
800 | break; | |
801 | ||
0a494f1f LP |
802 | case ARG_DEFAULT_STD_OUTPUT: |
803 | ||
804 | if ((r = exec_output_from_string(optarg)) < 0) { | |
805 | log_error("Failed to parse default standard output setting %s.", optarg); | |
806 | return r; | |
807 | } else | |
808 | arg_default_std_output = r; | |
809 | break; | |
810 | ||
811 | case ARG_DEFAULT_STD_ERROR: | |
812 | ||
813 | if ((r = exec_output_from_string(optarg)) < 0) { | |
814 | log_error("Failed to parse default standard error output setting %s.", optarg); | |
815 | return r; | |
816 | } else | |
817 | arg_default_std_error = r; | |
818 | break; | |
819 | ||
2f198e2f | 820 | case ARG_UNIT: |
f170852a LP |
821 | |
822 | if ((r = set_default_unit(optarg)) < 0) { | |
823 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
824 | return r; | |
825 | } | |
826 | ||
827 | break; | |
828 | ||
edb9aaa8 LP |
829 | case ARG_SYSTEM: |
830 | arg_running_as = MANAGER_SYSTEM; | |
831 | break; | |
a5dab5ce | 832 | |
af2d49f7 LP |
833 | case ARG_USER: |
834 | arg_running_as = MANAGER_USER; | |
a5dab5ce | 835 | break; |
a5dab5ce | 836 | |
e965d56d | 837 | case ARG_TEST: |
fa0f4d8a | 838 | arg_action = ACTION_TEST; |
e965d56d LP |
839 | break; |
840 | ||
e537352b | 841 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 842 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
843 | break; |
844 | ||
9e58ff9c LP |
845 | case ARG_DUMP_CORE: |
846 | arg_dump_core = true; | |
847 | break; | |
848 | ||
849 | case ARG_CRASH_SHELL: | |
850 | arg_crash_shell = true; | |
851 | break; | |
852 | ||
80876c20 | 853 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 854 | arg_confirm_spawn = true; |
80876c20 LP |
855 | break; |
856 | ||
9e58ff9c | 857 | case ARG_SHOW_STATUS: |
6e98720f LP |
858 | |
859 | if (optarg) { | |
860 | if ((r = parse_boolean(optarg)) < 0) { | |
861 | log_error("Failed to show status boolean %s.", optarg); | |
862 | return r; | |
863 | } | |
864 | arg_show_status = r; | |
865 | } else | |
866 | arg_show_status = true; | |
867 | break; | |
07459bb6 | 868 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
869 | case ARG_SYSV_CONSOLE: |
870 | ||
871 | if (optarg) { | |
872 | if ((r = parse_boolean(optarg)) < 0) { | |
873 | log_error("Failed to SysV console boolean %s.", optarg); | |
874 | return r; | |
875 | } | |
876 | arg_sysv_console = r; | |
877 | } else | |
878 | arg_sysv_console = true; | |
9e58ff9c | 879 | break; |
07459bb6 | 880 | #endif |
9e58ff9c | 881 | |
a16e1123 LP |
882 | case ARG_DESERIALIZE: { |
883 | int fd; | |
884 | FILE *f; | |
885 | ||
886 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
887 | log_error("Failed to parse deserialize option %s.", optarg); | |
888 | return r; | |
889 | } | |
890 | ||
891 | if (!(f = fdopen(fd, "r"))) { | |
892 | log_error("Failed to open serialization fd: %m"); | |
893 | return r; | |
894 | } | |
895 | ||
896 | if (serialization) | |
897 | fclose(serialization); | |
898 | ||
899 | serialization = f; | |
900 | ||
901 | break; | |
902 | } | |
903 | ||
4288f619 LP |
904 | case ARG_INTROSPECT: { |
905 | const char * const * i = NULL; | |
906 | ||
907 | for (i = bus_interface_table; *i; i += 2) | |
908 | if (!optarg || streq(i[0], optarg)) { | |
909 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
910 | "<node>\n", stdout); | |
911 | fputs(i[1], stdout); | |
912 | fputs("</node>\n", stdout); | |
913 | ||
914 | if (optarg) | |
915 | break; | |
916 | } | |
917 | ||
918 | if (!i[0] && optarg) | |
919 | log_error("Unknown interface %s.", optarg); | |
920 | ||
fa0f4d8a | 921 | arg_action = ACTION_DONE; |
4288f619 LP |
922 | break; |
923 | } | |
924 | ||
f170852a | 925 | case 'h': |
fa0f4d8a | 926 | arg_action = ACTION_HELP; |
f170852a LP |
927 | break; |
928 | ||
1d2e23ab LP |
929 | case 'D': |
930 | log_set_max_level(LOG_DEBUG); | |
931 | break; | |
932 | ||
099663ff LP |
933 | case 'b': |
934 | case 's': | |
935 | case 'z': | |
936 | /* Just to eat away the sysvinit kernel | |
937 | * cmdline args without getopt() error | |
938 | * messages that we'll parse in | |
939 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 940 | |
099663ff | 941 | case '?': |
f170852a | 942 | default: |
099663ff LP |
943 | if (getpid() != 1) { |
944 | log_error("Unknown option code %c", c); | |
945 | return -EINVAL; | |
946 | } | |
947 | ||
948 | break; | |
f170852a LP |
949 | } |
950 | ||
d821e6d6 LP |
951 | if (optind < argc && getpid() != 1) { |
952 | /* Hmm, when we aren't run as init system | |
953 | * let's complain about excess arguments */ | |
954 | ||
955 | log_error("Excess arguments."); | |
956 | return -EINVAL; | |
957 | } | |
958 | ||
959 | if (detect_container(NULL) > 0) { | |
960 | char **a; | |
961 | ||
962 | /* All /proc/cmdline arguments the kernel didn't | |
963 | * understand it passed to us. We're not really | |
964 | * interested in that usually since /proc/cmdline is | |
965 | * more interesting and complete. With one exception: | |
966 | * if we are run in a container /proc/cmdline is not | |
967 | * relevant for the container, hence we rely on argv[] | |
968 | * instead. */ | |
969 | ||
970 | for (a = argv; a < argv + argc; a++) | |
971 | if ((r = parse_proc_cmdline_word(*a)) < 0) | |
972 | return r; | |
51f0e189 LP |
973 | } |
974 | ||
f170852a LP |
975 | return 0; |
976 | } | |
977 | ||
978 | static int help(void) { | |
979 | ||
2e33c433 | 980 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 981 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 982 | " -h --help Show this help\n" |
e537352b | 983 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 984 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 985 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 986 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 987 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 988 | " --user Run a user instance\n" |
9e58ff9c LP |
989 | " --dump-core Dump core on crash\n" |
990 | " --crash-shell Run shell on crash\n" | |
991 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
6e98720f | 992 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
07459bb6 | 993 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 994 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" |
07459bb6 | 995 | #endif |
4cfa2c99 | 996 | " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 997 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 998 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
999 | " --log-location[=0|1] Include code location in log messages\n" |
1000 | " --default-standard-output= Set default standard output for services\n" | |
1001 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1002 | program_invocation_short_name); |
f170852a LP |
1003 | |
1004 | return 0; | |
1005 | } | |
1006 | ||
a16e1123 LP |
1007 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
1008 | FILE *f = NULL; | |
1009 | FDSet *fds = NULL; | |
1010 | int r; | |
1011 | ||
1012 | assert(m); | |
1013 | assert(_f); | |
1014 | assert(_fds); | |
1015 | ||
a7556052 LP |
1016 | /* Make sure nothing is really destructed when we shut down */ |
1017 | m->n_reloading ++; | |
1018 | ||
d8d5ab98 | 1019 | if ((r = manager_open_serialization(m, &f)) < 0) { |
35b8ca3a | 1020 | log_error("Failed to create serialization file: %s", strerror(-r)); |
a16e1123 LP |
1021 | goto fail; |
1022 | } | |
1023 | ||
1024 | if (!(fds = fdset_new())) { | |
1025 | r = -ENOMEM; | |
1026 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1027 | goto fail; | |
1028 | } | |
1029 | ||
1030 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
1031 | log_error("Failed to serialize state: %s", strerror(-r)); | |
1032 | goto fail; | |
1033 | } | |
1034 | ||
1035 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
1036 | log_error("Failed to rewind serialization fd: %m"); | |
1037 | goto fail; | |
1038 | } | |
1039 | ||
1040 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
1041 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
1042 | goto fail; | |
1043 | } | |
1044 | ||
1045 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
1046 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
1047 | goto fail; | |
1048 | } | |
1049 | ||
1050 | *_f = f; | |
1051 | *_fds = fds; | |
1052 | ||
1053 | return 0; | |
1054 | ||
1055 | fail: | |
1056 | fdset_free(fds); | |
1057 | ||
1058 | if (f) | |
1059 | fclose(f); | |
1060 | ||
1061 | return r; | |
1062 | } | |
1063 | ||
e9ddabc2 LP |
1064 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
1065 | const char *e; | |
1066 | unsigned long long a, b; | |
1067 | ||
1068 | assert(t); | |
1069 | ||
1070 | if (!(e = getenv("RD_TIMESTAMP"))) | |
1071 | return NULL; | |
1072 | ||
1073 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
1074 | return NULL; | |
1075 | ||
1076 | t->realtime = (usec_t) a; | |
1077 | t->monotonic = (usec_t) b; | |
1078 | ||
1079 | return t; | |
1080 | } | |
1081 | ||
6ee5bbf8 LP |
1082 | static void test_mtab(void) { |
1083 | char *p; | |
1084 | ||
80758717 LP |
1085 | /* Check that /etc/mtab is a symlink */ |
1086 | ||
6ee5bbf8 LP |
1087 | if (readlink_malloc("/etc/mtab", &p) >= 0) { |
1088 | bool b; | |
1089 | ||
ed86ebc4 | 1090 | b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts"); |
6ee5bbf8 LP |
1091 | free(p); |
1092 | ||
1093 | if (b) | |
1094 | return; | |
1095 | } | |
1096 | ||
80758717 LP |
1097 | log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1098 | "This is not supported anymore. " | |
1099 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1100 | } | |
1101 | ||
1102 | static void test_usr(void) { | |
80758717 | 1103 | |
ed1c99fc | 1104 | /* Check that /usr is not a separate fs */ |
80758717 | 1105 | |
871c44a7 LP |
1106 | if (dir_is_empty("/usr") <= 0) |
1107 | return; | |
1108 | ||
2376ce13 | 1109 | log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1110 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1111 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1112 | } | |
1113 | ||
1114 | static void test_cgroups(void) { | |
1115 | ||
1116 | if (access("/proc/cgroups", F_OK) >= 0) | |
1117 | return; | |
1118 | ||
1119 | log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. " | |
1120 | "Systems without control groups are not supported. " | |
1121 | "We will now sleep for 10s, and then continue boot-up. " | |
1122 | "Expect breakage and please do not file bugs. " | |
1123 | "Instead fix your kernel and enable CONFIG_CGROUPS." ); | |
1124 | ||
1125 | sleep(10); | |
6ee5bbf8 LP |
1126 | } |
1127 | ||
60918275 LP |
1128 | int main(int argc, char *argv[]) { |
1129 | Manager *m = NULL; | |
22f4096c | 1130 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1131 | usec_t before_startup, after_startup; |
1132 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1133 | FDSet *fds = NULL; |
1134 | bool reexecute = false; | |
b9080b03 | 1135 | const char *shutdown_verb = NULL; |
e9ddabc2 | 1136 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
f3b6a3ed | 1137 | char systemd[] = "systemd"; |
0b3325e7 LP |
1138 | bool is_reexec = false; |
1139 | int j; | |
1140 | bool loaded_policy = false; | |
27b14a22 | 1141 | |
058dc6f3 | 1142 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1143 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1144 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1145 | * calling init as a user is identical to telinit. */ |
1146 | ||
1147 | errno = -ENOENT; | |
1148 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
1149 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
1150 | return 1; | |
1151 | } | |
058dc6f3 | 1152 | #endif |
2cb1a60d | 1153 | |
0b3325e7 LP |
1154 | /* Determine if this is a reexecution or normal bootup. We do |
1155 | * the full command line parsing much later, so let's just | |
1156 | * have a quick peek here. */ | |
1157 | ||
1158 | for (j = 1; j < argc; j++) | |
1159 | if (streq(argv[j], "--deserialize")) { | |
0b3325e7 | 1160 | is_reexec = true; |
7aaa27f2 | 1161 | break; |
0b3325e7 LP |
1162 | } |
1163 | ||
f3b6a3ed LP |
1164 | /* If we get started via the /sbin/init symlink then we are |
1165 | called 'init'. After a subsequent reexecution we are then | |
1166 | called 'systemd'. That is confusing, hence let's call us | |
1167 | systemd right-away. */ | |
1168 | ||
1169 | program_invocation_short_name = systemd; | |
1170 | prctl(PR_SET_NAME, systemd); | |
9a0e6896 LP |
1171 | saved_argv = argv; |
1172 | saved_argc = argc; | |
f3b6a3ed | 1173 | |
2cc59dbf | 1174 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 1175 | log_show_location(false); |
7c706717 | 1176 | log_set_max_level(LOG_INFO); |
bbe63281 | 1177 | |
843d2643 | 1178 | if (getpid() == 1) { |
fa0f4d8a | 1179 | arg_running_as = MANAGER_SYSTEM; |
4cfa2c99 | 1180 | log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_JOURNAL_OR_KMSG); |
0ff4cdd9 | 1181 | |
0b3325e7 LP |
1182 | if (!is_reexec) |
1183 | if (selinux_setup(&loaded_policy) < 0) | |
1184 | goto finish; | |
1185 | ||
1186 | log_open(); | |
c4dcdb9f | 1187 | |
0ff4cdd9 LP |
1188 | if (label_init() < 0) |
1189 | goto finish; | |
7948c4df | 1190 | |
0b3325e7 LP |
1191 | if (!is_reexec) |
1192 | if (hwclock_is_localtime() > 0) { | |
1193 | int min; | |
7948c4df | 1194 | |
0b3325e7 LP |
1195 | r = hwclock_apply_localtime_delta(&min); |
1196 | if (r < 0) | |
1197 | log_error("Failed to apply local time delta, ignoring: %s", strerror(-r)); | |
1198 | else | |
1199 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
1200 | } | |
871e5809 | 1201 | |
bbe63281 | 1202 | } else { |
af2d49f7 | 1203 | arg_running_as = MANAGER_USER; |
eeecf6e6 | 1204 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1205 | log_open(); |
bbe63281 | 1206 | } |
a5dab5ce | 1207 | |
0c85a4f3 | 1208 | /* Initialize default unit */ |
f170852a LP |
1209 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
1210 | goto finish; | |
60918275 | 1211 | |
0c85a4f3 LP |
1212 | /* By default, mount "cpu" and "cpuacct" together */ |
1213 | arg_join_controllers = new(char**, 2); | |
1214 | if (!arg_join_controllers) | |
1215 | goto finish; | |
1216 | ||
1217 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
1218 | arg_join_controllers[1] = NULL; | |
1219 | ||
1220 | if (!arg_join_controllers[0]) | |
1221 | goto finish; | |
1222 | ||
f170852a LP |
1223 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1224 | * /proc/$PID/fd is available. */ | |
0c85a4f3 LP |
1225 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1226 | r = mount_setup(loaded_policy); | |
1227 | if (r < 0) | |
8efe3c01 | 1228 | goto finish; |
0c85a4f3 | 1229 | } |
4ade7963 LP |
1230 | |
1231 | /* Reset all signal handlers. */ | |
1232 | assert_se(reset_all_signal_handlers() == 0); | |
1233 | ||
078e4539 | 1234 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 1235 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 1236 | |
487393e9 LP |
1237 | if (parse_config_file() < 0) |
1238 | goto finish; | |
1239 | ||
fa0f4d8a | 1240 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
1241 | if (parse_proc_cmdline() < 0) |
1242 | goto finish; | |
f170852a LP |
1243 | |
1244 | log_parse_environment(); | |
1245 | ||
1246 | if (parse_argv(argc, argv) < 0) | |
1247 | goto finish; | |
1248 | ||
b5c6cf87 LP |
1249 | if (arg_action == ACTION_TEST && geteuid() == 0) { |
1250 | log_error("Don't run test mode as root."); | |
1251 | goto finish; | |
1252 | } | |
1253 | ||
fe783b03 LP |
1254 | if (arg_running_as == MANAGER_SYSTEM && |
1255 | arg_action == ACTION_RUN && | |
1256 | running_in_chroot() > 0) { | |
1257 | log_error("Cannot be run in a chroot() environment."); | |
1258 | goto finish; | |
1259 | } | |
1260 | ||
fa0f4d8a | 1261 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1262 | retval = help(); |
1263 | goto finish; | |
fa0f4d8a | 1264 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1265 | unit_dump_config_items(stdout); |
22f4096c | 1266 | retval = EXIT_SUCCESS; |
e537352b | 1267 | goto finish; |
fa0f4d8a | 1268 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1269 | retval = EXIT_SUCCESS; |
4288f619 | 1270 | goto finish; |
f170852a LP |
1271 | } |
1272 | ||
fa0f4d8a | 1273 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1274 | |
871e5809 LP |
1275 | /* Close logging fds, in order not to confuse fdset below */ |
1276 | log_close(); | |
1277 | ||
a16e1123 LP |
1278 | /* Remember open file descriptors for later deserialization */ |
1279 | if (serialization) { | |
1280 | if ((r = fdset_new_fill(&fds)) < 0) { | |
1281 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1282 | goto finish; | |
1283 | } | |
1284 | ||
1285 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
1286 | } else | |
1287 | close_all_fds(NULL, 0); | |
1288 | ||
09082a94 | 1289 | /* Set up PATH unless it is already set */ |
e537352b LP |
1290 | setenv("PATH", |
1291 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", | |
fa0f4d8a | 1292 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 1293 | |
39439087 | 1294 | if (arg_running_as == MANAGER_SYSTEM) { |
e9ddabc2 LP |
1295 | /* Parse the data passed to us by the initrd and unset it */ |
1296 | parse_initrd_timestamp(&initrd_timestamp); | |
1297 | filter_environ("RD_"); | |
1298 | ||
1299 | /* Unset some environment variables passed in from the | |
1300 | * kernel that don't really make sense for us. */ | |
39439087 LP |
1301 | unsetenv("HOME"); |
1302 | unsetenv("TERM"); | |
b770165a LP |
1303 | |
1304 | /* All other variables are left as is, so that clients | |
1305 | * can still read them via /proc/1/environ */ | |
39439087 | 1306 | } |
1104f3c1 | 1307 | |
f170852a LP |
1308 | /* Move out of the way, so that we won't block unmounts */ |
1309 | assert_se(chdir("/") == 0); | |
1310 | ||
fa0f4d8a | 1311 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
1312 | /* Become a session leader if we aren't one yet. */ |
1313 | setsid(); | |
4ade7963 | 1314 | |
80876c20 LP |
1315 | /* Disable the umask logic */ |
1316 | umask(0); | |
1317 | } | |
1318 | ||
843d2643 LP |
1319 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1320 | dbus_connection_set_change_sigpipe(FALSE); | |
1321 | ||
2146621b LP |
1322 | /* Reset the console, but only if this is really init and we |
1323 | * are freshly booted */ | |
fa0f4d8a | 1324 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
0b3325e7 | 1325 | console_setup(getpid() == 1 && !is_reexec); |
843d2643 LP |
1326 | make_null_stdio(); |
1327 | } | |
4ade7963 | 1328 | |
18149b9f | 1329 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1330 | log_open(); |
4ade7963 | 1331 | |
5373d602 LP |
1332 | /* Make sure we leave a core dump without panicing the |
1333 | * kernel. */ | |
4fc935ca LP |
1334 | if (getpid() == 1) |
1335 | install_crash_handler(); | |
97c4f35c | 1336 | |
0c85a4f3 LP |
1337 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1338 | r = mount_cgroup_controllers(arg_join_controllers); | |
1339 | if (r < 0) | |
1340 | goto finish; | |
1341 | } | |
1342 | ||
302e27c8 | 1343 | log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG, |
7d568925 | 1344 | PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 1345 | |
0b3325e7 | 1346 | if (arg_running_as == MANAGER_SYSTEM && !is_reexec) { |
72bca11b LP |
1347 | locale_setup(); |
1348 | ||
6faa1114 | 1349 | if (arg_show_status || plymouth_running()) |
888c6216 LP |
1350 | status_welcome(); |
1351 | ||
888c6216 LP |
1352 | kmod_setup(); |
1353 | hostname_setup(); | |
d7ccca2e | 1354 | machine_id_setup(); |
888c6216 | 1355 | loopback_setup(); |
490aed58 | 1356 | |
6ee5bbf8 | 1357 | test_mtab(); |
80758717 | 1358 | test_usr(); |
871c44a7 | 1359 | test_cgroups(); |
af5bc85d | 1360 | } |
302e8c4c | 1361 | |
9e58ff9c | 1362 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1363 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1364 | goto finish; |
1365 | } | |
1366 | ||
9e58ff9c | 1367 | m->confirm_spawn = arg_confirm_spawn; |
07459bb6 | 1368 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 1369 | m->sysv_console = arg_sysv_console; |
07459bb6 | 1370 | #endif |
d3689161 | 1371 | m->mount_auto = arg_mount_auto; |
173a8d04 | 1372 | m->swap_auto = arg_swap_auto; |
0a494f1f LP |
1373 | m->default_std_output = arg_default_std_output; |
1374 | m->default_std_error = arg_default_std_error; | |
9e58ff9c | 1375 | |
e9ddabc2 LP |
1376 | if (dual_timestamp_is_set(&initrd_timestamp)) |
1377 | m->initrd_timestamp = initrd_timestamp; | |
1378 | ||
06d4c99a LP |
1379 | if (arg_default_controllers) |
1380 | manager_set_default_controllers(m, arg_default_controllers); | |
1381 | ||
27d340c7 LP |
1382 | manager_set_show_status(m, arg_show_status); |
1383 | ||
9d76d730 LP |
1384 | before_startup = now(CLOCK_MONOTONIC); |
1385 | ||
a16e1123 | 1386 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 1387 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
1388 | |
1389 | if (fds) { | |
1390 | /* This will close all file descriptors that were opened, but | |
1391 | * not claimed by any unit. */ | |
1392 | ||
1393 | fdset_free(fds); | |
1394 | fds = NULL; | |
f50e0a01 LP |
1395 | } |
1396 | ||
a16e1123 LP |
1397 | if (serialization) { |
1398 | fclose(serialization); | |
1399 | serialization = NULL; | |
1400 | } else { | |
398ef8ba | 1401 | DBusError error; |
1c27d3f3 | 1402 | Unit *target = NULL; |
398ef8ba LP |
1403 | |
1404 | dbus_error_init(&error); | |
1405 | ||
fa0f4d8a | 1406 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1407 | |
398ef8ba LP |
1408 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1409 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1410 | dbus_error_free(&error); | |
ac155bb8 MS |
1411 | } else if (target->load_state == UNIT_ERROR) |
1412 | log_error("Failed to load default target: %s", strerror(-target->load_error)); | |
1413 | else if (target->load_state == UNIT_MASKED) | |
6daf4f90 | 1414 | log_error("Default target masked."); |
27b14a22 | 1415 | |
ac155bb8 | 1416 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1417 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1418 | |
398ef8ba LP |
1419 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1420 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1421 | dbus_error_free(&error); | |
a16e1123 | 1422 | goto finish; |
ac155bb8 MS |
1423 | } else if (target->load_state == UNIT_ERROR) { |
1424 | log_error("Failed to load rescue target: %s", strerror(-target->load_error)); | |
1c27d3f3 | 1425 | goto finish; |
ac155bb8 | 1426 | } else if (target->load_state == UNIT_MASKED) { |
6daf4f90 | 1427 | log_error("Rescue target masked."); |
00dc5d76 | 1428 | goto finish; |
a16e1123 LP |
1429 | } |
1430 | } | |
37d88da7 | 1431 | |
ac155bb8 | 1432 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1433 | |
fa0f4d8a | 1434 | if (arg_action == ACTION_TEST) { |
40d50879 | 1435 | printf("-> By units:\n"); |
a16e1123 LP |
1436 | manager_dump_units(m, stdout, "\t"); |
1437 | } | |
1438 | ||
0ff4cdd9 | 1439 | if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) { |
398ef8ba LP |
1440 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1441 | dbus_error_free(&error); | |
37d88da7 LP |
1442 | goto finish; |
1443 | } | |
60918275 | 1444 | |
07672f49 LP |
1445 | after_startup = now(CLOCK_MONOTONIC); |
1446 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1447 | "Loaded units and determined initial transaction in %s.", | |
1448 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup)); | |
1449 | ||
fa0f4d8a | 1450 | if (arg_action == ACTION_TEST) { |
40d50879 | 1451 | printf("-> By jobs:\n"); |
a16e1123 | 1452 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1453 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1454 | goto finish; |
1455 | } | |
e965d56d | 1456 | } |
d46de8a1 | 1457 | |
a16e1123 LP |
1458 | for (;;) { |
1459 | if ((r = manager_loop(m)) < 0) { | |
1460 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1461 | goto finish; | |
1462 | } | |
11dd41ce | 1463 | |
a16e1123 | 1464 | switch (m->exit_code) { |
e965d56d | 1465 | |
a16e1123 | 1466 | case MANAGER_EXIT: |
22f4096c | 1467 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1468 | log_debug("Exit."); |
1469 | goto finish; | |
e965d56d | 1470 | |
a16e1123 | 1471 | case MANAGER_RELOAD: |
e015090f | 1472 | log_info("Reloading."); |
a16e1123 LP |
1473 | if ((r = manager_reload(m)) < 0) |
1474 | log_error("Failed to reload: %s", strerror(-r)); | |
1475 | break; | |
cea8e32e | 1476 | |
a16e1123 | 1477 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1478 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1479 | goto finish; | |
60918275 | 1480 | |
a16e1123 | 1481 | reexecute = true; |
e015090f | 1482 | log_notice("Reexecuting."); |
a16e1123 LP |
1483 | goto finish; |
1484 | ||
b9080b03 FF |
1485 | case MANAGER_REBOOT: |
1486 | case MANAGER_POWEROFF: | |
1487 | case MANAGER_HALT: | |
1488 | case MANAGER_KEXEC: { | |
1489 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1490 | [MANAGER_REBOOT] = "reboot", | |
1491 | [MANAGER_POWEROFF] = "poweroff", | |
1492 | [MANAGER_HALT] = "halt", | |
1493 | [MANAGER_KEXEC] = "kexec" | |
1494 | }; | |
1495 | ||
1496 | assert_se(shutdown_verb = table[m->exit_code]); | |
1497 | ||
1498 | log_notice("Shutting down."); | |
1499 | goto finish; | |
1500 | } | |
1501 | ||
a16e1123 LP |
1502 | default: |
1503 | assert_not_reached("Unknown exit code."); | |
1504 | } | |
1505 | } | |
f170852a | 1506 | |
60918275 LP |
1507 | finish: |
1508 | if (m) | |
1509 | manager_free(m); | |
1510 | ||
fa0f4d8a | 1511 | free(arg_default_unit); |
06d4c99a | 1512 | strv_free(arg_default_controllers); |
0c85a4f3 | 1513 | free_join_controllers(); |
b9cd2ec1 | 1514 | |
ea430986 LP |
1515 | dbus_shutdown(); |
1516 | ||
b2bb3dbe LP |
1517 | label_finish(); |
1518 | ||
a16e1123 | 1519 | if (reexecute) { |
6e98720f | 1520 | const char *args[15]; |
a16e1123 LP |
1521 | unsigned i = 0; |
1522 | char sfd[16]; | |
1523 | ||
1524 | assert(serialization); | |
1525 | assert(fds); | |
1526 | ||
1527 | args[i++] = SYSTEMD_BINARY_PATH; | |
1528 | ||
1529 | args[i++] = "--log-level"; | |
1530 | args[i++] = log_level_to_string(log_get_max_level()); | |
1531 | ||
1532 | args[i++] = "--log-target"; | |
1533 | args[i++] = log_target_to_string(log_get_target()); | |
1534 | ||
edb9aaa8 LP |
1535 | if (arg_running_as == MANAGER_SYSTEM) |
1536 | args[i++] = "--system"; | |
1537 | else | |
af2d49f7 | 1538 | args[i++] = "--user"; |
edb9aaa8 LP |
1539 | |
1540 | if (arg_dump_core) | |
1541 | args[i++] = "--dump-core"; | |
1542 | ||
1543 | if (arg_crash_shell) | |
1544 | args[i++] = "--crash-shell"; | |
1545 | ||
1546 | if (arg_confirm_spawn) | |
1547 | args[i++] = "--confirm-spawn"; | |
1548 | ||
1549 | if (arg_show_status) | |
6e98720f LP |
1550 | args[i++] = "--show-status=1"; |
1551 | else | |
1552 | args[i++] = "--show-status=0"; | |
1553 | ||
07459bb6 | 1554 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
1555 | if (arg_sysv_console) |
1556 | args[i++] = "--sysv-console=1"; | |
1557 | else | |
1558 | args[i++] = "--sysv-console=0"; | |
07459bb6 | 1559 | #endif |
a16e1123 LP |
1560 | |
1561 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1562 | char_array_0(sfd); | |
1563 | ||
1564 | args[i++] = "--deserialize"; | |
1565 | args[i++] = sfd; | |
1566 | ||
a16e1123 LP |
1567 | args[i++] = NULL; |
1568 | ||
1569 | assert(i <= ELEMENTSOF(args)); | |
1570 | ||
1571 | execv(args[0], (char* const*) args); | |
1572 | ||
1573 | log_error("Failed to reexecute: %m"); | |
1574 | } | |
1575 | ||
1576 | if (serialization) | |
1577 | fclose(serialization); | |
1578 | ||
1579 | if (fds) | |
1580 | fdset_free(fds); | |
1581 | ||
b9080b03 FF |
1582 | if (shutdown_verb) { |
1583 | const char * command_line[] = { | |
1584 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1585 | shutdown_verb, | |
1586 | NULL | |
1587 | }; | |
1588 | ||
1589 | execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line); | |
1590 | log_error("Failed to execute shutdown binary, freezing: %m"); | |
1591 | } | |
1592 | ||
c3b3c274 LP |
1593 | if (getpid() == 1) |
1594 | freeze(); | |
1595 | ||
60918275 LP |
1596 | return retval; |
1597 | } |