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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 | |
512947d4 MS |
203 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
204 | if (tty_fd < 0) { | |
843d2643 LP |
205 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); |
206 | return -tty_fd; | |
207 | } | |
80876c20 | 208 | |
512947d4 MS |
209 | /* We don't want to force text mode. |
210 | * plymouth may be showing pictures already from initrd. */ | |
211 | r = reset_terminal_fd(tty_fd, false); | |
212 | if (r < 0) | |
843d2643 LP |
213 | log_error("Failed to reset /dev/console: %s", strerror(-r)); |
214 | ||
215 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
216 | return r; |
217 | } | |
218 | ||
f170852a LP |
219 | static int set_default_unit(const char *u) { |
220 | char *c; | |
221 | ||
222 | assert(u); | |
223 | ||
224 | if (!(c = strdup(u))) | |
225 | return -ENOMEM; | |
226 | ||
fa0f4d8a LP |
227 | free(arg_default_unit); |
228 | arg_default_unit = c; | |
f170852a LP |
229 | return 0; |
230 | } | |
231 | ||
232 | static int parse_proc_cmdline_word(const char *word) { | |
233 | ||
234 | static const char * const rlmap[] = { | |
ed370f5d | 235 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 236 | "-b", SPECIAL_EMERGENCY_TARGET, |
ed370f5d LP |
237 | "single", SPECIAL_RESCUE_TARGET, |
238 | "-s", SPECIAL_RESCUE_TARGET, | |
239 | "s", SPECIAL_RESCUE_TARGET, | |
240 | "S", SPECIAL_RESCUE_TARGET, | |
241 | "1", SPECIAL_RESCUE_TARGET, | |
242 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
243 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
244 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
245 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
246 | }; |
247 | ||
5192bd19 LP |
248 | assert(word); |
249 | ||
2f198e2f LP |
250 | if (startswith(word, "systemd.unit=")) |
251 | return set_default_unit(word + 13); | |
f170852a LP |
252 | |
253 | else if (startswith(word, "systemd.log_target=")) { | |
254 | ||
255 | if (log_set_target_from_string(word + 19) < 0) | |
256 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
257 | ||
258 | } else if (startswith(word, "systemd.log_level=")) { | |
259 | ||
260 | if (log_set_max_level_from_string(word + 18) < 0) | |
261 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
262 | ||
bbe63281 LP |
263 | } else if (startswith(word, "systemd.log_color=")) { |
264 | ||
265 | if (log_show_color_from_string(word + 18) < 0) | |
266 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
267 | ||
268 | } else if (startswith(word, "systemd.log_location=")) { | |
269 | ||
270 | if (log_show_location_from_string(word + 21) < 0) | |
271 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
272 | ||
4fc935ca LP |
273 | } else if (startswith(word, "systemd.dump_core=")) { |
274 | int r; | |
275 | ||
276 | if ((r = parse_boolean(word + 18)) < 0) | |
509b6efb | 277 | log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18); |
4fc935ca | 278 | else |
fa0f4d8a | 279 | arg_dump_core = r; |
4fc935ca LP |
280 | |
281 | } else if (startswith(word, "systemd.crash_shell=")) { | |
282 | int r; | |
283 | ||
284 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 285 | log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20); |
4fc935ca | 286 | else |
fa0f4d8a | 287 | arg_crash_shell = r; |
5e7ee61c LP |
288 | |
289 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
290 | int r; | |
291 | ||
292 | if ((r = parse_boolean(word + 22)) < 0) | |
509b6efb | 293 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); |
5e7ee61c | 294 | else |
fa0f4d8a | 295 | arg_confirm_spawn = r; |
5e7ee61c | 296 | |
601f6a1e LP |
297 | } else if (startswith(word, "systemd.crash_chvt=")) { |
298 | int k; | |
299 | ||
300 | if (safe_atoi(word + 19, &k) < 0) | |
509b6efb | 301 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19); |
601f6a1e | 302 | else |
fa0f4d8a | 303 | arg_crash_chvt = k; |
601f6a1e | 304 | |
9e58ff9c LP |
305 | } else if (startswith(word, "systemd.show_status=")) { |
306 | int r; | |
307 | ||
308 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 309 | log_warning("Failed to parse show status switch %s. Ignoring.", word + 20); |
6e98720f | 310 | else |
9e58ff9c | 311 | arg_show_status = r; |
0a494f1f LP |
312 | } else if (startswith(word, "systemd.default_standard_output=")) { |
313 | int r; | |
314 | ||
315 | if ((r = exec_output_from_string(word + 32)) < 0) | |
509b6efb | 316 | log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); |
0a494f1f LP |
317 | else |
318 | arg_default_std_output = r; | |
319 | } else if (startswith(word, "systemd.default_standard_error=")) { | |
320 | int r; | |
321 | ||
322 | if ((r = exec_output_from_string(word + 31)) < 0) | |
509b6efb | 323 | log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); |
0a494f1f LP |
324 | else |
325 | arg_default_std_error = r; | |
07459bb6 | 326 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
327 | } else if (startswith(word, "systemd.sysv_console=")) { |
328 | int r; | |
329 | ||
330 | if ((r = parse_boolean(word + 21)) < 0) | |
509b6efb | 331 | log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20); |
6e98720f LP |
332 | else |
333 | arg_sysv_console = r; | |
07459bb6 | 334 | #endif |
9e58ff9c | 335 | |
4fc935ca LP |
336 | } else if (startswith(word, "systemd.")) { |
337 | ||
338 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
339 | ||
bbe63281 LP |
340 | log_info("Supported kernel switches:\n" |
341 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 342 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 343 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 344 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 345 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f | 346 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
07459bb6 | 347 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 348 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" |
07459bb6 | 349 | #endif |
4cfa2c99 | 350 | "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n" |
6e98720f LP |
351 | " Log target\n" |
352 | "systemd.log_level=LEVEL Log level\n" | |
353 | "systemd.log_color=0|1 Highlight important log messages\n" | |
0a494f1f | 354 | "systemd.log_location=0|1 Include code location in log messages\n" |
706343f4 | 355 | "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 356 | " Set default log output for services\n" |
706343f4 | 357 | "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 358 | " Set default log error output for services\n"); |
4fc935ca | 359 | |
a9c501a5 | 360 | } else if (streq(word, "quiet")) { |
6e98720f | 361 | arg_show_status = false; |
07459bb6 | 362 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 363 | arg_sysv_console = false; |
07459bb6 | 364 | #endif |
9e58ff9c | 365 | } else { |
f170852a LP |
366 | unsigned i; |
367 | ||
368 | /* SysV compatibility */ | |
f170852a LP |
369 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
370 | if (streq(word, rlmap[i])) | |
371 | return set_default_unit(rlmap[i+1]); | |
372 | } | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
f975e971 | 377 | static int config_parse_level2( |
487393e9 LP |
378 | const char *filename, |
379 | unsigned line, | |
380 | const char *section, | |
381 | const char *lvalue, | |
3731f1ea | 382 | int ltype, |
487393e9 LP |
383 | const char *rvalue, |
384 | void *data, | |
385 | void *userdata) { | |
386 | ||
387 | assert(filename); | |
388 | assert(lvalue); | |
389 | assert(rvalue); | |
390 | ||
391 | log_set_max_level_from_string(rvalue); | |
392 | return 0; | |
393 | } | |
394 | ||
395 | static int config_parse_target( | |
396 | const char *filename, | |
397 | unsigned line, | |
398 | const char *section, | |
399 | const char *lvalue, | |
3731f1ea | 400 | int ltype, |
487393e9 LP |
401 | const char *rvalue, |
402 | void *data, | |
403 | void *userdata) { | |
404 | ||
405 | assert(filename); | |
406 | assert(lvalue); | |
407 | assert(rvalue); | |
408 | ||
409 | log_set_target_from_string(rvalue); | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static int config_parse_color( | |
414 | const char *filename, | |
415 | unsigned line, | |
416 | const char *section, | |
417 | const char *lvalue, | |
3731f1ea | 418 | int ltype, |
487393e9 LP |
419 | const char *rvalue, |
420 | void *data, | |
421 | void *userdata) { | |
422 | ||
423 | assert(filename); | |
424 | assert(lvalue); | |
425 | assert(rvalue); | |
426 | ||
427 | log_show_color_from_string(rvalue); | |
428 | return 0; | |
429 | } | |
430 | ||
431 | static int config_parse_location( | |
432 | const char *filename, | |
433 | unsigned line, | |
434 | const char *section, | |
435 | const char *lvalue, | |
3731f1ea | 436 | int ltype, |
487393e9 LP |
437 | const char *rvalue, |
438 | void *data, | |
439 | void *userdata) { | |
440 | ||
441 | assert(filename); | |
442 | assert(lvalue); | |
443 | assert(rvalue); | |
444 | ||
445 | log_show_location_from_string(rvalue); | |
446 | return 0; | |
447 | } | |
448 | ||
f975e971 | 449 | static int config_parse_cpu_affinity2( |
487393e9 LP |
450 | const char *filename, |
451 | unsigned line, | |
452 | const char *section, | |
453 | const char *lvalue, | |
3731f1ea | 454 | int ltype, |
487393e9 LP |
455 | const char *rvalue, |
456 | void *data, | |
457 | void *userdata) { | |
458 | ||
459 | char *w; | |
460 | size_t l; | |
461 | char *state; | |
462 | cpu_set_t *c = NULL; | |
463 | unsigned ncpus = 0; | |
464 | ||
465 | assert(filename); | |
466 | assert(lvalue); | |
467 | assert(rvalue); | |
468 | ||
f60f22df | 469 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
470 | char *t; |
471 | int r; | |
472 | unsigned cpu; | |
473 | ||
474 | if (!(t = strndup(w, l))) | |
475 | return -ENOMEM; | |
476 | ||
477 | r = safe_atou(t, &cpu); | |
478 | free(t); | |
479 | ||
480 | if (!c) | |
481 | if (!(c = cpu_set_malloc(&ncpus))) | |
482 | return -ENOMEM; | |
483 | ||
484 | if (r < 0 || cpu >= ncpus) { | |
485 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
486 | CPU_FREE(c); | |
487 | return -EBADMSG; | |
488 | } | |
489 | ||
490 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
491 | } | |
492 | ||
493 | if (c) { | |
494 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
495 | log_warning("Failed to set CPU affinity: %m"); | |
496 | ||
497 | CPU_FREE(c); | |
498 | } | |
499 | ||
500 | return 0; | |
501 | } | |
502 | ||
0c85a4f3 LP |
503 | static void strv_free_free(char ***l) { |
504 | char ***i; | |
505 | ||
506 | if (!l) | |
507 | return; | |
508 | ||
509 | for (i = l; *i; i++) | |
510 | strv_free(*i); | |
511 | ||
512 | free(l); | |
513 | } | |
514 | ||
515 | static void free_join_controllers(void) { | |
516 | if (!arg_join_controllers) | |
517 | return; | |
518 | ||
519 | strv_free_free(arg_join_controllers); | |
520 | arg_join_controllers = NULL; | |
521 | } | |
522 | ||
523 | static int config_parse_join_controllers( | |
524 | const char *filename, | |
525 | unsigned line, | |
526 | const char *section, | |
527 | const char *lvalue, | |
528 | int ltype, | |
529 | const char *rvalue, | |
530 | void *data, | |
531 | void *userdata) { | |
532 | ||
533 | unsigned n = 0; | |
534 | char *state, *w; | |
535 | size_t length; | |
536 | ||
537 | assert(filename); | |
538 | assert(lvalue); | |
539 | assert(rvalue); | |
540 | ||
541 | free_join_controllers(); | |
542 | ||
543 | FOREACH_WORD_QUOTED(w, length, rvalue, state) { | |
544 | char *s, **l; | |
545 | ||
546 | s = strndup(w, length); | |
547 | if (!s) | |
548 | return -ENOMEM; | |
549 | ||
550 | l = strv_split(s, ","); | |
551 | free(s); | |
552 | ||
553 | strv_uniq(l); | |
554 | ||
555 | if (strv_length(l) <= 1) { | |
556 | strv_free(l); | |
557 | continue; | |
558 | } | |
559 | ||
560 | if (!arg_join_controllers) { | |
561 | arg_join_controllers = new(char**, 2); | |
562 | if (!arg_join_controllers) { | |
563 | strv_free(l); | |
564 | return -ENOMEM; | |
565 | } | |
566 | ||
567 | arg_join_controllers[0] = l; | |
568 | arg_join_controllers[1] = NULL; | |
569 | ||
570 | n = 1; | |
571 | } else { | |
572 | char ***a; | |
573 | char ***t; | |
574 | ||
575 | t = new0(char**, n+2); | |
576 | if (!t) { | |
577 | strv_free(l); | |
578 | return -ENOMEM; | |
579 | } | |
580 | ||
581 | n = 0; | |
582 | ||
583 | for (a = arg_join_controllers; *a; a++) { | |
584 | ||
585 | if (strv_overlap(*a, l)) { | |
586 | char **c; | |
587 | ||
588 | c = strv_merge(*a, l); | |
589 | if (!c) { | |
590 | strv_free(l); | |
591 | strv_free_free(t); | |
592 | return -ENOMEM; | |
593 | } | |
594 | ||
595 | strv_free(l); | |
596 | l = c; | |
597 | } else { | |
598 | char **c; | |
599 | ||
600 | c = strv_copy(*a); | |
601 | if (!c) { | |
602 | strv_free(l); | |
603 | strv_free_free(t); | |
604 | return -ENOMEM; | |
605 | } | |
606 | ||
607 | t[n++] = c; | |
608 | } | |
609 | } | |
610 | ||
611 | t[n++] = strv_uniq(l); | |
612 | ||
613 | strv_free_free(arg_join_controllers); | |
614 | arg_join_controllers = t; | |
615 | } | |
616 | } | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
487393e9 LP |
621 | static int parse_config_file(void) { |
622 | ||
f975e971 LP |
623 | const ConfigTableItem items[] = { |
624 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, | |
625 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
626 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
627 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
628 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
629 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
630 | { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status }, | |
07459bb6 | 631 | #ifdef HAVE_SYSV_COMPAT |
f975e971 | 632 | { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console }, |
07459bb6 | 633 | #endif |
f975e971 LP |
634 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, |
635 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
636 | { "Manager", "MountAuto", config_parse_bool, 0, &arg_mount_auto }, | |
637 | { "Manager", "SwapAuto", config_parse_bool, 0, &arg_swap_auto }, | |
638 | { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers }, | |
639 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, | |
640 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
0c85a4f3 | 641 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, |
f975e971 | 642 | { NULL, NULL, NULL, 0, NULL } |
487393e9 LP |
643 | }; |
644 | ||
645 | FILE *f; | |
646 | const char *fn; | |
647 | int r; | |
648 | ||
af2d49f7 | 649 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE; |
f975e971 LP |
650 | f = fopen(fn, "re"); |
651 | if (!f) { | |
487393e9 LP |
652 | if (errno == ENOENT) |
653 | return 0; | |
654 | ||
655 | log_warning("Failed to open configuration file '%s': %m", fn); | |
656 | return 0; | |
657 | } | |
658 | ||
f975e971 LP |
659 | r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL); |
660 | if (r < 0) | |
487393e9 LP |
661 | log_warning("Failed to parse configuration file: %s", strerror(-r)); |
662 | ||
663 | fclose(f); | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
f170852a | 668 | static int parse_proc_cmdline(void) { |
52661efd | 669 | char *line, *w, *state; |
f170852a | 670 | int r; |
f170852a | 671 | size_t l; |
f170852a | 672 | |
b770165a LP |
673 | /* Don't read /proc/cmdline if we are in a container, since |
674 | * that is only relevant for the host system */ | |
675 | if (detect_container(NULL) > 0) | |
676 | return 0; | |
677 | ||
f170852a | 678 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { |
e364ad06 | 679 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
680 | return 0; |
681 | } | |
682 | ||
683 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
684 | char *word; | |
685 | ||
686 | if (!(word = strndup(w, l))) { | |
687 | r = -ENOMEM; | |
688 | goto finish; | |
689 | } | |
690 | ||
691 | r = parse_proc_cmdline_word(word); | |
692 | free(word); | |
693 | ||
694 | if (r < 0) | |
695 | goto finish; | |
696 | } | |
697 | ||
698 | r = 0; | |
699 | ||
700 | finish: | |
701 | free(line); | |
702 | return r; | |
703 | } | |
704 | ||
705 | static int parse_argv(int argc, char *argv[]) { | |
706 | ||
707 | enum { | |
708 | ARG_LOG_LEVEL = 0x100, | |
709 | ARG_LOG_TARGET, | |
bbe63281 LP |
710 | ARG_LOG_COLOR, |
711 | ARG_LOG_LOCATION, | |
2f198e2f | 712 | ARG_UNIT, |
edb9aaa8 | 713 | ARG_SYSTEM, |
af2d49f7 | 714 | ARG_USER, |
e537352b | 715 | ARG_TEST, |
80876c20 | 716 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
717 | ARG_DUMP_CORE, |
718 | ARG_CRASH_SHELL, | |
a16e1123 | 719 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 720 | ARG_SHOW_STATUS, |
6e98720f | 721 | ARG_SYSV_CONSOLE, |
4288f619 | 722 | ARG_DESERIALIZE, |
0a494f1f LP |
723 | ARG_INTROSPECT, |
724 | ARG_DEFAULT_STD_OUTPUT, | |
725 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
726 | }; |
727 | ||
728 | static const struct option options[] = { | |
a16e1123 LP |
729 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
730 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
731 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
732 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 733 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 734 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 735 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 LP |
736 | { "test", no_argument, NULL, ARG_TEST }, |
737 | { "help", no_argument, NULL, 'h' }, | |
738 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
739 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
740 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 741 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 742 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
07459bb6 | 743 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 744 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, |
07459bb6 | 745 | #endif |
a16e1123 | 746 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 747 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
0a494f1f LP |
748 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
749 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
a16e1123 | 750 | { NULL, 0, NULL, 0 } |
f170852a LP |
751 | }; |
752 | ||
753 | int c, r; | |
754 | ||
755 | assert(argc >= 1); | |
756 | assert(argv); | |
757 | ||
b770165a LP |
758 | if (getpid() == 1) |
759 | opterr = 0; | |
760 | ||
099663ff | 761 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
762 | |
763 | switch (c) { | |
764 | ||
765 | case ARG_LOG_LEVEL: | |
766 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
767 | log_error("Failed to parse log level %s.", optarg); | |
768 | return r; | |
769 | } | |
770 | ||
771 | break; | |
772 | ||
773 | case ARG_LOG_TARGET: | |
774 | ||
775 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
776 | log_error("Failed to parse log target %s.", optarg); | |
777 | return r; | |
778 | } | |
779 | ||
780 | break; | |
781 | ||
bbe63281 LP |
782 | case ARG_LOG_COLOR: |
783 | ||
d0b170c8 LP |
784 | if (optarg) { |
785 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
786 | log_error("Failed to parse log color setting %s.", optarg); | |
787 | return r; | |
788 | } | |
789 | } else | |
790 | log_show_color(true); | |
bbe63281 LP |
791 | |
792 | break; | |
793 | ||
794 | case ARG_LOG_LOCATION: | |
795 | ||
d0b170c8 LP |
796 | if (optarg) { |
797 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
798 | log_error("Failed to parse log location setting %s.", optarg); | |
799 | return r; | |
800 | } | |
801 | } else | |
802 | log_show_location(true); | |
bbe63281 LP |
803 | |
804 | break; | |
805 | ||
0a494f1f LP |
806 | case ARG_DEFAULT_STD_OUTPUT: |
807 | ||
808 | if ((r = exec_output_from_string(optarg)) < 0) { | |
809 | log_error("Failed to parse default standard output setting %s.", optarg); | |
810 | return r; | |
811 | } else | |
812 | arg_default_std_output = r; | |
813 | break; | |
814 | ||
815 | case ARG_DEFAULT_STD_ERROR: | |
816 | ||
817 | if ((r = exec_output_from_string(optarg)) < 0) { | |
818 | log_error("Failed to parse default standard error output setting %s.", optarg); | |
819 | return r; | |
820 | } else | |
821 | arg_default_std_error = r; | |
822 | break; | |
823 | ||
2f198e2f | 824 | case ARG_UNIT: |
f170852a LP |
825 | |
826 | if ((r = set_default_unit(optarg)) < 0) { | |
827 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
828 | return r; | |
829 | } | |
830 | ||
831 | break; | |
832 | ||
edb9aaa8 LP |
833 | case ARG_SYSTEM: |
834 | arg_running_as = MANAGER_SYSTEM; | |
835 | break; | |
a5dab5ce | 836 | |
af2d49f7 LP |
837 | case ARG_USER: |
838 | arg_running_as = MANAGER_USER; | |
a5dab5ce | 839 | break; |
a5dab5ce | 840 | |
e965d56d | 841 | case ARG_TEST: |
fa0f4d8a | 842 | arg_action = ACTION_TEST; |
e965d56d LP |
843 | break; |
844 | ||
e537352b | 845 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 846 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
847 | break; |
848 | ||
9e58ff9c LP |
849 | case ARG_DUMP_CORE: |
850 | arg_dump_core = true; | |
851 | break; | |
852 | ||
853 | case ARG_CRASH_SHELL: | |
854 | arg_crash_shell = true; | |
855 | break; | |
856 | ||
80876c20 | 857 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 858 | arg_confirm_spawn = true; |
80876c20 LP |
859 | break; |
860 | ||
9e58ff9c | 861 | case ARG_SHOW_STATUS: |
6e98720f LP |
862 | |
863 | if (optarg) { | |
864 | if ((r = parse_boolean(optarg)) < 0) { | |
865 | log_error("Failed to show status boolean %s.", optarg); | |
866 | return r; | |
867 | } | |
868 | arg_show_status = r; | |
869 | } else | |
870 | arg_show_status = true; | |
871 | break; | |
07459bb6 | 872 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
873 | case ARG_SYSV_CONSOLE: |
874 | ||
875 | if (optarg) { | |
876 | if ((r = parse_boolean(optarg)) < 0) { | |
877 | log_error("Failed to SysV console boolean %s.", optarg); | |
878 | return r; | |
879 | } | |
880 | arg_sysv_console = r; | |
881 | } else | |
882 | arg_sysv_console = true; | |
9e58ff9c | 883 | break; |
07459bb6 | 884 | #endif |
9e58ff9c | 885 | |
a16e1123 LP |
886 | case ARG_DESERIALIZE: { |
887 | int fd; | |
888 | FILE *f; | |
889 | ||
890 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
891 | log_error("Failed to parse deserialize option %s.", optarg); | |
892 | return r; | |
893 | } | |
894 | ||
895 | if (!(f = fdopen(fd, "r"))) { | |
896 | log_error("Failed to open serialization fd: %m"); | |
897 | return r; | |
898 | } | |
899 | ||
900 | if (serialization) | |
901 | fclose(serialization); | |
902 | ||
903 | serialization = f; | |
904 | ||
905 | break; | |
906 | } | |
907 | ||
4288f619 LP |
908 | case ARG_INTROSPECT: { |
909 | const char * const * i = NULL; | |
910 | ||
911 | for (i = bus_interface_table; *i; i += 2) | |
912 | if (!optarg || streq(i[0], optarg)) { | |
913 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
914 | "<node>\n", stdout); | |
915 | fputs(i[1], stdout); | |
916 | fputs("</node>\n", stdout); | |
917 | ||
918 | if (optarg) | |
919 | break; | |
920 | } | |
921 | ||
922 | if (!i[0] && optarg) | |
923 | log_error("Unknown interface %s.", optarg); | |
924 | ||
fa0f4d8a | 925 | arg_action = ACTION_DONE; |
4288f619 LP |
926 | break; |
927 | } | |
928 | ||
f170852a | 929 | case 'h': |
fa0f4d8a | 930 | arg_action = ACTION_HELP; |
f170852a LP |
931 | break; |
932 | ||
1d2e23ab LP |
933 | case 'D': |
934 | log_set_max_level(LOG_DEBUG); | |
935 | break; | |
936 | ||
099663ff LP |
937 | case 'b': |
938 | case 's': | |
939 | case 'z': | |
940 | /* Just to eat away the sysvinit kernel | |
941 | * cmdline args without getopt() error | |
942 | * messages that we'll parse in | |
943 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 944 | |
099663ff | 945 | case '?': |
f170852a | 946 | default: |
099663ff LP |
947 | if (getpid() != 1) { |
948 | log_error("Unknown option code %c", c); | |
949 | return -EINVAL; | |
950 | } | |
951 | ||
952 | break; | |
f170852a LP |
953 | } |
954 | ||
d821e6d6 LP |
955 | if (optind < argc && getpid() != 1) { |
956 | /* Hmm, when we aren't run as init system | |
957 | * let's complain about excess arguments */ | |
958 | ||
959 | log_error("Excess arguments."); | |
960 | return -EINVAL; | |
961 | } | |
962 | ||
963 | if (detect_container(NULL) > 0) { | |
964 | char **a; | |
965 | ||
966 | /* All /proc/cmdline arguments the kernel didn't | |
967 | * understand it passed to us. We're not really | |
968 | * interested in that usually since /proc/cmdline is | |
969 | * more interesting and complete. With one exception: | |
970 | * if we are run in a container /proc/cmdline is not | |
971 | * relevant for the container, hence we rely on argv[] | |
972 | * instead. */ | |
973 | ||
974 | for (a = argv; a < argv + argc; a++) | |
975 | if ((r = parse_proc_cmdline_word(*a)) < 0) | |
976 | return r; | |
51f0e189 LP |
977 | } |
978 | ||
f170852a LP |
979 | return 0; |
980 | } | |
981 | ||
982 | static int help(void) { | |
983 | ||
2e33c433 | 984 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 985 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 986 | " -h --help Show this help\n" |
e537352b | 987 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 988 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 989 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 990 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 991 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 992 | " --user Run a user instance\n" |
9e58ff9c LP |
993 | " --dump-core Dump core on crash\n" |
994 | " --crash-shell Run shell on crash\n" | |
995 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
6e98720f | 996 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
07459bb6 | 997 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 998 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" |
07459bb6 | 999 | #endif |
4cfa2c99 | 1000 | " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 1001 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 1002 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
1003 | " --log-location[=0|1] Include code location in log messages\n" |
1004 | " --default-standard-output= Set default standard output for services\n" | |
1005 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1006 | program_invocation_short_name); |
f170852a LP |
1007 | |
1008 | return 0; | |
1009 | } | |
1010 | ||
a16e1123 LP |
1011 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
1012 | FILE *f = NULL; | |
1013 | FDSet *fds = NULL; | |
1014 | int r; | |
1015 | ||
1016 | assert(m); | |
1017 | assert(_f); | |
1018 | assert(_fds); | |
1019 | ||
a7556052 LP |
1020 | /* Make sure nothing is really destructed when we shut down */ |
1021 | m->n_reloading ++; | |
1022 | ||
d8d5ab98 | 1023 | if ((r = manager_open_serialization(m, &f)) < 0) { |
35b8ca3a | 1024 | log_error("Failed to create serialization file: %s", strerror(-r)); |
a16e1123 LP |
1025 | goto fail; |
1026 | } | |
1027 | ||
1028 | if (!(fds = fdset_new())) { | |
1029 | r = -ENOMEM; | |
1030 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1031 | goto fail; | |
1032 | } | |
1033 | ||
1034 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
1035 | log_error("Failed to serialize state: %s", strerror(-r)); | |
1036 | goto fail; | |
1037 | } | |
1038 | ||
1039 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
1040 | log_error("Failed to rewind serialization fd: %m"); | |
1041 | goto fail; | |
1042 | } | |
1043 | ||
1044 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
1045 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
1046 | goto fail; | |
1047 | } | |
1048 | ||
1049 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
1050 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
1051 | goto fail; | |
1052 | } | |
1053 | ||
1054 | *_f = f; | |
1055 | *_fds = fds; | |
1056 | ||
1057 | return 0; | |
1058 | ||
1059 | fail: | |
1060 | fdset_free(fds); | |
1061 | ||
1062 | if (f) | |
1063 | fclose(f); | |
1064 | ||
1065 | return r; | |
1066 | } | |
1067 | ||
e9ddabc2 LP |
1068 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
1069 | const char *e; | |
1070 | unsigned long long a, b; | |
1071 | ||
1072 | assert(t); | |
1073 | ||
1074 | if (!(e = getenv("RD_TIMESTAMP"))) | |
1075 | return NULL; | |
1076 | ||
1077 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
1078 | return NULL; | |
1079 | ||
1080 | t->realtime = (usec_t) a; | |
1081 | t->monotonic = (usec_t) b; | |
1082 | ||
1083 | return t; | |
1084 | } | |
1085 | ||
6ee5bbf8 LP |
1086 | static void test_mtab(void) { |
1087 | char *p; | |
1088 | ||
80758717 LP |
1089 | /* Check that /etc/mtab is a symlink */ |
1090 | ||
6ee5bbf8 LP |
1091 | if (readlink_malloc("/etc/mtab", &p) >= 0) { |
1092 | bool b; | |
1093 | ||
ed86ebc4 | 1094 | b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts"); |
6ee5bbf8 LP |
1095 | free(p); |
1096 | ||
1097 | if (b) | |
1098 | return; | |
1099 | } | |
1100 | ||
80758717 LP |
1101 | log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1102 | "This is not supported anymore. " | |
1103 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1104 | } | |
1105 | ||
1106 | static void test_usr(void) { | |
80758717 | 1107 | |
ed1c99fc | 1108 | /* Check that /usr is not a separate fs */ |
80758717 | 1109 | |
871c44a7 LP |
1110 | if (dir_is_empty("/usr") <= 0) |
1111 | return; | |
1112 | ||
2376ce13 | 1113 | log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1114 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1115 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1116 | } | |
1117 | ||
1118 | static void test_cgroups(void) { | |
1119 | ||
1120 | if (access("/proc/cgroups", F_OK) >= 0) | |
1121 | return; | |
1122 | ||
1123 | log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. " | |
1124 | "Systems without control groups are not supported. " | |
1125 | "We will now sleep for 10s, and then continue boot-up. " | |
1126 | "Expect breakage and please do not file bugs. " | |
1127 | "Instead fix your kernel and enable CONFIG_CGROUPS." ); | |
1128 | ||
1129 | sleep(10); | |
6ee5bbf8 LP |
1130 | } |
1131 | ||
60918275 LP |
1132 | int main(int argc, char *argv[]) { |
1133 | Manager *m = NULL; | |
22f4096c | 1134 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1135 | usec_t before_startup, after_startup; |
1136 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1137 | FDSet *fds = NULL; |
1138 | bool reexecute = false; | |
b9080b03 | 1139 | const char *shutdown_verb = NULL; |
e9ddabc2 | 1140 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
5d6b1584 | 1141 | static char systemd[] = "systemd"; |
0b3325e7 LP |
1142 | bool is_reexec = false; |
1143 | int j; | |
1144 | bool loaded_policy = false; | |
27b14a22 | 1145 | |
058dc6f3 | 1146 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1147 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1148 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1149 | * calling init as a user is identical to telinit. */ |
1150 | ||
1151 | errno = -ENOENT; | |
1152 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
1153 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
1154 | return 1; | |
1155 | } | |
058dc6f3 | 1156 | #endif |
2cb1a60d | 1157 | |
0b3325e7 LP |
1158 | /* Determine if this is a reexecution or normal bootup. We do |
1159 | * the full command line parsing much later, so let's just | |
1160 | * have a quick peek here. */ | |
1161 | ||
1162 | for (j = 1; j < argc; j++) | |
1163 | if (streq(argv[j], "--deserialize")) { | |
0b3325e7 | 1164 | is_reexec = true; |
7aaa27f2 | 1165 | break; |
0b3325e7 LP |
1166 | } |
1167 | ||
f3b6a3ed LP |
1168 | /* If we get started via the /sbin/init symlink then we are |
1169 | called 'init'. After a subsequent reexecution we are then | |
1170 | called 'systemd'. That is confusing, hence let's call us | |
1171 | systemd right-away. */ | |
f3b6a3ed LP |
1172 | program_invocation_short_name = systemd; |
1173 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1174 | |
9a0e6896 LP |
1175 | saved_argv = argv; |
1176 | saved_argc = argc; | |
f3b6a3ed | 1177 | |
2cc59dbf | 1178 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 1179 | log_show_location(false); |
7c706717 | 1180 | log_set_max_level(LOG_INFO); |
bbe63281 | 1181 | |
843d2643 | 1182 | if (getpid() == 1) { |
fa0f4d8a | 1183 | arg_running_as = MANAGER_SYSTEM; |
4cfa2c99 | 1184 | log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_JOURNAL_OR_KMSG); |
0ff4cdd9 | 1185 | |
0b3325e7 LP |
1186 | if (!is_reexec) |
1187 | if (selinux_setup(&loaded_policy) < 0) | |
1188 | goto finish; | |
1189 | ||
1190 | log_open(); | |
c4dcdb9f | 1191 | |
0ff4cdd9 LP |
1192 | if (label_init() < 0) |
1193 | goto finish; | |
7948c4df | 1194 | |
0b3325e7 LP |
1195 | if (!is_reexec) |
1196 | if (hwclock_is_localtime() > 0) { | |
1197 | int min; | |
7948c4df | 1198 | |
0b3325e7 LP |
1199 | r = hwclock_apply_localtime_delta(&min); |
1200 | if (r < 0) | |
1201 | log_error("Failed to apply local time delta, ignoring: %s", strerror(-r)); | |
1202 | else | |
1203 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
1204 | } | |
871e5809 | 1205 | |
bbe63281 | 1206 | } else { |
af2d49f7 | 1207 | arg_running_as = MANAGER_USER; |
eeecf6e6 | 1208 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1209 | log_open(); |
bbe63281 | 1210 | } |
a5dab5ce | 1211 | |
0c85a4f3 | 1212 | /* Initialize default unit */ |
f170852a LP |
1213 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
1214 | goto finish; | |
60918275 | 1215 | |
0c85a4f3 LP |
1216 | /* By default, mount "cpu" and "cpuacct" together */ |
1217 | arg_join_controllers = new(char**, 2); | |
1218 | if (!arg_join_controllers) | |
1219 | goto finish; | |
1220 | ||
1221 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
1222 | arg_join_controllers[1] = NULL; | |
1223 | ||
1224 | if (!arg_join_controllers[0]) | |
1225 | goto finish; | |
1226 | ||
f170852a LP |
1227 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1228 | * /proc/$PID/fd is available. */ | |
0c85a4f3 LP |
1229 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1230 | r = mount_setup(loaded_policy); | |
1231 | if (r < 0) | |
8efe3c01 | 1232 | goto finish; |
0c85a4f3 | 1233 | } |
4ade7963 LP |
1234 | |
1235 | /* Reset all signal handlers. */ | |
1236 | assert_se(reset_all_signal_handlers() == 0); | |
1237 | ||
078e4539 | 1238 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 1239 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 1240 | |
487393e9 LP |
1241 | if (parse_config_file() < 0) |
1242 | goto finish; | |
1243 | ||
fa0f4d8a | 1244 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
1245 | if (parse_proc_cmdline() < 0) |
1246 | goto finish; | |
f170852a LP |
1247 | |
1248 | log_parse_environment(); | |
1249 | ||
1250 | if (parse_argv(argc, argv) < 0) | |
1251 | goto finish; | |
1252 | ||
b5c6cf87 LP |
1253 | if (arg_action == ACTION_TEST && geteuid() == 0) { |
1254 | log_error("Don't run test mode as root."); | |
1255 | goto finish; | |
1256 | } | |
1257 | ||
fe783b03 LP |
1258 | if (arg_running_as == MANAGER_SYSTEM && |
1259 | arg_action == ACTION_RUN && | |
1260 | running_in_chroot() > 0) { | |
1261 | log_error("Cannot be run in a chroot() environment."); | |
1262 | goto finish; | |
1263 | } | |
1264 | ||
fa0f4d8a | 1265 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1266 | retval = help(); |
1267 | goto finish; | |
fa0f4d8a | 1268 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1269 | unit_dump_config_items(stdout); |
22f4096c | 1270 | retval = EXIT_SUCCESS; |
e537352b | 1271 | goto finish; |
fa0f4d8a | 1272 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1273 | retval = EXIT_SUCCESS; |
4288f619 | 1274 | goto finish; |
f170852a LP |
1275 | } |
1276 | ||
fa0f4d8a | 1277 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1278 | |
871e5809 LP |
1279 | /* Close logging fds, in order not to confuse fdset below */ |
1280 | log_close(); | |
1281 | ||
a16e1123 LP |
1282 | /* Remember open file descriptors for later deserialization */ |
1283 | if (serialization) { | |
1284 | if ((r = fdset_new_fill(&fds)) < 0) { | |
1285 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1286 | goto finish; | |
1287 | } | |
1288 | ||
1289 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
1290 | } else | |
1291 | close_all_fds(NULL, 0); | |
1292 | ||
09082a94 | 1293 | /* Set up PATH unless it is already set */ |
e537352b | 1294 | setenv("PATH", |
2c6db6fb | 1295 | #ifdef HAVE_SPLIT_USR |
e537352b | 1296 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", |
2c6db6fb LP |
1297 | #else |
1298 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin", | |
1299 | #endif | |
fa0f4d8a | 1300 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 1301 | |
39439087 | 1302 | if (arg_running_as == MANAGER_SYSTEM) { |
e9ddabc2 LP |
1303 | /* Parse the data passed to us by the initrd and unset it */ |
1304 | parse_initrd_timestamp(&initrd_timestamp); | |
1305 | filter_environ("RD_"); | |
1306 | ||
1307 | /* Unset some environment variables passed in from the | |
1308 | * kernel that don't really make sense for us. */ | |
39439087 LP |
1309 | unsetenv("HOME"); |
1310 | unsetenv("TERM"); | |
b770165a LP |
1311 | |
1312 | /* All other variables are left as is, so that clients | |
1313 | * can still read them via /proc/1/environ */ | |
39439087 | 1314 | } |
1104f3c1 | 1315 | |
f170852a LP |
1316 | /* Move out of the way, so that we won't block unmounts */ |
1317 | assert_se(chdir("/") == 0); | |
1318 | ||
fa0f4d8a | 1319 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
1320 | /* Become a session leader if we aren't one yet. */ |
1321 | setsid(); | |
4ade7963 | 1322 | |
80876c20 LP |
1323 | /* Disable the umask logic */ |
1324 | umask(0); | |
1325 | } | |
1326 | ||
843d2643 LP |
1327 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1328 | dbus_connection_set_change_sigpipe(FALSE); | |
1329 | ||
2146621b LP |
1330 | /* Reset the console, but only if this is really init and we |
1331 | * are freshly booted */ | |
fa0f4d8a | 1332 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
0b3325e7 | 1333 | console_setup(getpid() == 1 && !is_reexec); |
843d2643 LP |
1334 | make_null_stdio(); |
1335 | } | |
4ade7963 | 1336 | |
18149b9f | 1337 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1338 | log_open(); |
4ade7963 | 1339 | |
5373d602 LP |
1340 | /* Make sure we leave a core dump without panicing the |
1341 | * kernel. */ | |
4fc935ca LP |
1342 | if (getpid() == 1) |
1343 | install_crash_handler(); | |
97c4f35c | 1344 | |
0c85a4f3 LP |
1345 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1346 | r = mount_cgroup_controllers(arg_join_controllers); | |
1347 | if (r < 0) | |
1348 | goto finish; | |
1349 | } | |
1350 | ||
302e27c8 | 1351 | log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG, |
7d568925 | 1352 | PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 1353 | |
0b3325e7 | 1354 | if (arg_running_as == MANAGER_SYSTEM && !is_reexec) { |
72bca11b LP |
1355 | locale_setup(); |
1356 | ||
6faa1114 | 1357 | if (arg_show_status || plymouth_running()) |
888c6216 LP |
1358 | status_welcome(); |
1359 | ||
888c6216 LP |
1360 | kmod_setup(); |
1361 | hostname_setup(); | |
d7ccca2e | 1362 | machine_id_setup(); |
888c6216 | 1363 | loopback_setup(); |
490aed58 | 1364 | |
6ee5bbf8 | 1365 | test_mtab(); |
80758717 | 1366 | test_usr(); |
871c44a7 | 1367 | test_cgroups(); |
af5bc85d | 1368 | } |
302e8c4c | 1369 | |
9e58ff9c | 1370 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1371 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1372 | goto finish; |
1373 | } | |
1374 | ||
9e58ff9c | 1375 | m->confirm_spawn = arg_confirm_spawn; |
07459bb6 | 1376 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 1377 | m->sysv_console = arg_sysv_console; |
07459bb6 | 1378 | #endif |
d3689161 | 1379 | m->mount_auto = arg_mount_auto; |
173a8d04 | 1380 | m->swap_auto = arg_swap_auto; |
0a494f1f LP |
1381 | m->default_std_output = arg_default_std_output; |
1382 | m->default_std_error = arg_default_std_error; | |
9e58ff9c | 1383 | |
e9ddabc2 LP |
1384 | if (dual_timestamp_is_set(&initrd_timestamp)) |
1385 | m->initrd_timestamp = initrd_timestamp; | |
1386 | ||
06d4c99a LP |
1387 | if (arg_default_controllers) |
1388 | manager_set_default_controllers(m, arg_default_controllers); | |
1389 | ||
27d340c7 LP |
1390 | manager_set_show_status(m, arg_show_status); |
1391 | ||
9d76d730 LP |
1392 | before_startup = now(CLOCK_MONOTONIC); |
1393 | ||
a16e1123 | 1394 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 1395 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
1396 | |
1397 | if (fds) { | |
1398 | /* This will close all file descriptors that were opened, but | |
1399 | * not claimed by any unit. */ | |
1400 | ||
1401 | fdset_free(fds); | |
1402 | fds = NULL; | |
f50e0a01 LP |
1403 | } |
1404 | ||
a16e1123 LP |
1405 | if (serialization) { |
1406 | fclose(serialization); | |
1407 | serialization = NULL; | |
1408 | } else { | |
398ef8ba | 1409 | DBusError error; |
1c27d3f3 | 1410 | Unit *target = NULL; |
bacbccb7 | 1411 | Job *default_unit_job; |
398ef8ba LP |
1412 | |
1413 | dbus_error_init(&error); | |
1414 | ||
fa0f4d8a | 1415 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1416 | |
398ef8ba LP |
1417 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1418 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1419 | dbus_error_free(&error); | |
ac155bb8 MS |
1420 | } else if (target->load_state == UNIT_ERROR) |
1421 | log_error("Failed to load default target: %s", strerror(-target->load_error)); | |
1422 | else if (target->load_state == UNIT_MASKED) | |
6daf4f90 | 1423 | log_error("Default target masked."); |
27b14a22 | 1424 | |
ac155bb8 | 1425 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1426 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1427 | |
398ef8ba LP |
1428 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1429 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1430 | dbus_error_free(&error); | |
a16e1123 | 1431 | goto finish; |
ac155bb8 MS |
1432 | } else if (target->load_state == UNIT_ERROR) { |
1433 | log_error("Failed to load rescue target: %s", strerror(-target->load_error)); | |
1c27d3f3 | 1434 | goto finish; |
ac155bb8 | 1435 | } else if (target->load_state == UNIT_MASKED) { |
6daf4f90 | 1436 | log_error("Rescue target masked."); |
00dc5d76 | 1437 | goto finish; |
a16e1123 LP |
1438 | } |
1439 | } | |
37d88da7 | 1440 | |
ac155bb8 | 1441 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1442 | |
fa0f4d8a | 1443 | if (arg_action == ACTION_TEST) { |
40d50879 | 1444 | printf("-> By units:\n"); |
a16e1123 LP |
1445 | manager_dump_units(m, stdout, "\t"); |
1446 | } | |
1447 | ||
bacbccb7 MS |
1448 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); |
1449 | if (r < 0) { | |
398ef8ba LP |
1450 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1451 | dbus_error_free(&error); | |
37d88da7 LP |
1452 | goto finish; |
1453 | } | |
bacbccb7 | 1454 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1455 | |
07672f49 LP |
1456 | after_startup = now(CLOCK_MONOTONIC); |
1457 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1458 | "Loaded units and determined initial transaction in %s.", | |
1459 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup)); | |
1460 | ||
fa0f4d8a | 1461 | if (arg_action == ACTION_TEST) { |
40d50879 | 1462 | printf("-> By jobs:\n"); |
a16e1123 | 1463 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1464 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1465 | goto finish; |
1466 | } | |
e965d56d | 1467 | } |
d46de8a1 | 1468 | |
a16e1123 LP |
1469 | for (;;) { |
1470 | if ((r = manager_loop(m)) < 0) { | |
1471 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1472 | goto finish; | |
1473 | } | |
11dd41ce | 1474 | |
a16e1123 | 1475 | switch (m->exit_code) { |
e965d56d | 1476 | |
a16e1123 | 1477 | case MANAGER_EXIT: |
22f4096c | 1478 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1479 | log_debug("Exit."); |
1480 | goto finish; | |
e965d56d | 1481 | |
a16e1123 | 1482 | case MANAGER_RELOAD: |
e015090f | 1483 | log_info("Reloading."); |
a16e1123 LP |
1484 | if ((r = manager_reload(m)) < 0) |
1485 | log_error("Failed to reload: %s", strerror(-r)); | |
1486 | break; | |
cea8e32e | 1487 | |
a16e1123 | 1488 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1489 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1490 | goto finish; | |
60918275 | 1491 | |
a16e1123 | 1492 | reexecute = true; |
e015090f | 1493 | log_notice("Reexecuting."); |
a16e1123 LP |
1494 | goto finish; |
1495 | ||
b9080b03 FF |
1496 | case MANAGER_REBOOT: |
1497 | case MANAGER_POWEROFF: | |
1498 | case MANAGER_HALT: | |
1499 | case MANAGER_KEXEC: { | |
1500 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1501 | [MANAGER_REBOOT] = "reboot", | |
1502 | [MANAGER_POWEROFF] = "poweroff", | |
1503 | [MANAGER_HALT] = "halt", | |
1504 | [MANAGER_KEXEC] = "kexec" | |
1505 | }; | |
1506 | ||
1507 | assert_se(shutdown_verb = table[m->exit_code]); | |
1508 | ||
1509 | log_notice("Shutting down."); | |
1510 | goto finish; | |
1511 | } | |
1512 | ||
a16e1123 LP |
1513 | default: |
1514 | assert_not_reached("Unknown exit code."); | |
1515 | } | |
1516 | } | |
f170852a | 1517 | |
60918275 LP |
1518 | finish: |
1519 | if (m) | |
1520 | manager_free(m); | |
1521 | ||
fa0f4d8a | 1522 | free(arg_default_unit); |
06d4c99a | 1523 | strv_free(arg_default_controllers); |
0c85a4f3 | 1524 | free_join_controllers(); |
b9cd2ec1 | 1525 | |
ea430986 LP |
1526 | dbus_shutdown(); |
1527 | ||
b2bb3dbe LP |
1528 | label_finish(); |
1529 | ||
a16e1123 | 1530 | if (reexecute) { |
6e98720f | 1531 | const char *args[15]; |
a16e1123 LP |
1532 | unsigned i = 0; |
1533 | char sfd[16]; | |
1534 | ||
1535 | assert(serialization); | |
1536 | assert(fds); | |
1537 | ||
1538 | args[i++] = SYSTEMD_BINARY_PATH; | |
1539 | ||
1540 | args[i++] = "--log-level"; | |
1541 | args[i++] = log_level_to_string(log_get_max_level()); | |
1542 | ||
1543 | args[i++] = "--log-target"; | |
1544 | args[i++] = log_target_to_string(log_get_target()); | |
1545 | ||
edb9aaa8 LP |
1546 | if (arg_running_as == MANAGER_SYSTEM) |
1547 | args[i++] = "--system"; | |
1548 | else | |
af2d49f7 | 1549 | args[i++] = "--user"; |
edb9aaa8 LP |
1550 | |
1551 | if (arg_dump_core) | |
1552 | args[i++] = "--dump-core"; | |
1553 | ||
1554 | if (arg_crash_shell) | |
1555 | args[i++] = "--crash-shell"; | |
1556 | ||
1557 | if (arg_confirm_spawn) | |
1558 | args[i++] = "--confirm-spawn"; | |
1559 | ||
1560 | if (arg_show_status) | |
6e98720f LP |
1561 | args[i++] = "--show-status=1"; |
1562 | else | |
1563 | args[i++] = "--show-status=0"; | |
1564 | ||
07459bb6 | 1565 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
1566 | if (arg_sysv_console) |
1567 | args[i++] = "--sysv-console=1"; | |
1568 | else | |
1569 | args[i++] = "--sysv-console=0"; | |
07459bb6 | 1570 | #endif |
a16e1123 LP |
1571 | |
1572 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1573 | char_array_0(sfd); | |
1574 | ||
1575 | args[i++] = "--deserialize"; | |
1576 | args[i++] = sfd; | |
1577 | ||
a16e1123 LP |
1578 | args[i++] = NULL; |
1579 | ||
1580 | assert(i <= ELEMENTSOF(args)); | |
1581 | ||
1582 | execv(args[0], (char* const*) args); | |
1583 | ||
1584 | log_error("Failed to reexecute: %m"); | |
1585 | } | |
1586 | ||
1587 | if (serialization) | |
1588 | fclose(serialization); | |
1589 | ||
1590 | if (fds) | |
1591 | fdset_free(fds); | |
1592 | ||
b9080b03 FF |
1593 | if (shutdown_verb) { |
1594 | const char * command_line[] = { | |
1595 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1596 | shutdown_verb, | |
1597 | NULL | |
1598 | }; | |
1599 | ||
1600 | execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line); | |
1601 | log_error("Failed to execute shutdown binary, freezing: %m"); | |
1602 | } | |
1603 | ||
c3b3c274 LP |
1604 | if (getpid() == 1) |
1605 | freeze(); | |
1606 | ||
60918275 LP |
1607 | return retval; |
1608 | } |