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Commit | Line | Data |
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60918275 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
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> |
60918275 LP |
34 | |
35 | #include "manager.h" | |
16354eff | 36 | #include "log.h" |
4ade7963 | 37 | #include "mount-setup.h" |
302e8c4c | 38 | #include "hostname-setup.h" |
af5bc85d | 39 | #include "loopback-setup.h" |
11c3a4ee | 40 | #include "kmod-setup.h" |
fa0f4d8a | 41 | #include "modprobe-setup.h" |
302e8c4c | 42 | #include "load-fragment.h" |
a16e1123 | 43 | #include "fdset.h" |
514f4ef5 | 44 | #include "special.h" |
487393e9 | 45 | #include "conf-parser.h" |
398ef8ba | 46 | #include "bus-errors.h" |
ad780f19 | 47 | #include "missing.h" |
60918275 | 48 | |
f170852a LP |
49 | static enum { |
50 | ACTION_RUN, | |
e965d56d | 51 | ACTION_HELP, |
e537352b | 52 | ACTION_TEST, |
4288f619 LP |
53 | ACTION_DUMP_CONFIGURATION_ITEMS, |
54 | ACTION_DONE | |
fa0f4d8a | 55 | } arg_action = ACTION_RUN; |
f170852a | 56 | |
fa0f4d8a | 57 | static char *arg_default_unit = NULL; |
0ff4cdd9 | 58 | static char *arg_console = NULL; |
fa0f4d8a LP |
59 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; |
60 | ||
61 | static bool arg_dump_core = true; | |
62 | static bool arg_crash_shell = false; | |
63 | static int arg_crash_chvt = -1; | |
64 | static bool arg_confirm_spawn = false; | |
65 | static bool arg_nomodules = false; | |
9e58ff9c | 66 | static bool arg_show_status = true; |
4fc935ca | 67 | |
a16e1123 | 68 | static FILE* serialization = NULL; |
80876c20 | 69 | |
93a46b0b | 70 | _noreturn_ static void freeze(void) { |
97c4f35c LP |
71 | for (;;) |
72 | pause(); | |
73 | } | |
74 | ||
6f5e3f35 LP |
75 | static void nop_handler(int sig) { |
76 | } | |
77 | ||
93a46b0b | 78 | _noreturn_ static void crash(int sig) { |
97c4f35c | 79 | |
fa0f4d8a | 80 | if (!arg_dump_core) |
582a507f | 81 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 82 | else { |
6f5e3f35 | 83 | struct sigaction sa; |
97c4f35c LP |
84 | pid_t pid; |
85 | ||
6f5e3f35 LP |
86 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
87 | zero(sa); | |
88 | sa.sa_handler = nop_handler; | |
89 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
90 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
91 | ||
97c4f35c | 92 | if ((pid = fork()) < 0) |
582a507f | 93 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
94 | |
95 | else if (pid == 0) { | |
97c4f35c LP |
96 | struct rlimit rl; |
97 | ||
98 | /* Enable default signal handler for core dump */ | |
99 | zero(sa); | |
100 | sa.sa_handler = SIG_DFL; | |
101 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
102 | ||
103 | /* Don't limit the core dump size */ | |
104 | zero(rl); | |
105 | rl.rlim_cur = RLIM_INFINITY; | |
106 | rl.rlim_max = RLIM_INFINITY; | |
107 | setrlimit(RLIMIT_CORE, &rl); | |
108 | ||
109 | /* Just to be sure... */ | |
110 | assert_se(chdir("/") == 0); | |
111 | ||
112 | /* Raise the signal again */ | |
113 | raise(sig); | |
114 | ||
115 | assert_not_reached("We shouldn't be here..."); | |
116 | _exit(1); | |
4fc935ca LP |
117 | |
118 | } else { | |
119 | int status, r; | |
120 | ||
121 | /* Order things nicely. */ | |
122 | if ((r = waitpid(pid, &status, 0)) < 0) | |
582a507f | 123 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno)); |
4fc935ca | 124 | else if (!WCOREDUMP(status)) |
582a507f | 125 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 126 | else |
582a507f | 127 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
128 | } |
129 | } | |
130 | ||
fa0f4d8a LP |
131 | if (arg_crash_chvt) |
132 | chvt(arg_crash_chvt); | |
601f6a1e | 133 | |
fa0f4d8a | 134 | if (arg_crash_shell) { |
6f5e3f35 LP |
135 | struct sigaction sa; |
136 | pid_t pid; | |
8c43883a | 137 | |
4fc935ca LP |
138 | log_info("Executing crash shell in 10s..."); |
139 | sleep(10); | |
140 | ||
6f5e3f35 LP |
141 | /* Let the kernel reap children for us */ |
142 | zero(sa); | |
143 | sa.sa_handler = SIG_IGN; | |
144 | sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; | |
145 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
8c43883a | 146 | |
6f5e3f35 LP |
147 | if ((pid = fork()) < 0) |
148 | log_error("Failed to fork off crash shell: %s", strerror(errno)); | |
149 | else if (pid == 0) { | |
843d2643 | 150 | int fd, r; |
ea5652c2 | 151 | |
21de3988 | 152 | if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0) |
ea5652c2 | 153 | log_error("Failed to acquire terminal: %s", strerror(-fd)); |
5b2a0903 | 154 | else if ((r = make_stdio(fd)) < 0) |
843d2643 | 155 | log_error("Failed to duplicate terminal fd: %s", strerror(-r)); |
ea5652c2 | 156 | |
6f5e3f35 LP |
157 | execl("/bin/sh", "/bin/sh", NULL); |
158 | ||
159 | log_error("execl() failed: %s", strerror(errno)); | |
160 | _exit(1); | |
161 | } | |
c99b188e | 162 | |
bb00e604 | 163 | log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
164 | } |
165 | ||
166 | log_info("Freezing execution."); | |
97c4f35c LP |
167 | freeze(); |
168 | } | |
169 | ||
170 | static void install_crash_handler(void) { | |
171 | struct sigaction sa; | |
172 | ||
173 | zero(sa); | |
174 | ||
175 | sa.sa_handler = crash; | |
176 | sa.sa_flags = SA_NODEFER; | |
177 | ||
1b91d3e8 | 178 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 179 | } |
f170852a | 180 | |
843d2643 LP |
181 | static int make_null_stdio(void) { |
182 | int null_fd, r; | |
80876c20 | 183 | |
c8513d54 | 184 | if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) { |
80876c20 | 185 | log_error("Failed to open /dev/null: %m"); |
843d2643 | 186 | return -errno; |
80876c20 LP |
187 | } |
188 | ||
843d2643 LP |
189 | if ((r = make_stdio(null_fd)) < 0) |
190 | log_warning("Failed to dup2() device: %s", strerror(-r)); | |
80876c20 | 191 | |
843d2643 LP |
192 | return r; |
193 | } | |
80876c20 | 194 | |
843d2643 LP |
195 | static int console_setup(bool do_reset) { |
196 | int tty_fd, r; | |
80876c20 | 197 | |
843d2643 LP |
198 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
199 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 200 | |
843d2643 LP |
201 | release_terminal(); |
202 | ||
203 | if (!do_reset) | |
204 | return 0; | |
80876c20 | 205 | |
843d2643 LP |
206 | if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) { |
207 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); | |
208 | return -tty_fd; | |
209 | } | |
80876c20 | 210 | |
843d2643 LP |
211 | if ((r = reset_terminal(tty_fd)) < 0) |
212 | log_error("Failed to reset /dev/console: %s", strerror(-r)); | |
213 | ||
214 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
215 | return r; |
216 | } | |
217 | ||
f170852a LP |
218 | static int set_default_unit(const char *u) { |
219 | char *c; | |
220 | ||
221 | assert(u); | |
222 | ||
223 | if (!(c = strdup(u))) | |
224 | return -ENOMEM; | |
225 | ||
fa0f4d8a LP |
226 | free(arg_default_unit); |
227 | arg_default_unit = c; | |
f170852a LP |
228 | return 0; |
229 | } | |
230 | ||
231 | static int parse_proc_cmdline_word(const char *word) { | |
232 | ||
233 | static const char * const rlmap[] = { | |
514f4ef5 LP |
234 | "single", SPECIAL_RESCUE_TARGET, |
235 | "-s", SPECIAL_RESCUE_TARGET, | |
236 | "s", SPECIAL_RESCUE_TARGET, | |
237 | "S", SPECIAL_RESCUE_TARGET, | |
238 | "1", SPECIAL_RESCUE_TARGET, | |
f170852a LP |
239 | "2", SPECIAL_RUNLEVEL2_TARGET, |
240 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
241 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
242 | "5", SPECIAL_RUNLEVEL5_TARGET | |
243 | }; | |
9e58ff9c | 244 | bool ignore_quiet = false; |
f170852a | 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) | |
601f6a1e | 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) | |
601f6a1e | 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) | |
289 | log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22); | |
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) | |
297 | log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19); | |
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) | |
305 | log_warning("Failed to parse show status switch %s, Ignoring.", word + 20); | |
306 | else { | |
307 | arg_show_status = r; | |
308 | ignore_quiet = true; | |
309 | } | |
310 | ||
4fc935ca LP |
311 | } else if (startswith(word, "systemd.")) { |
312 | ||
313 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
314 | ||
bbe63281 LP |
315 | log_info("Supported kernel switches:\n" |
316 | "systemd.unit=UNIT Default unit to start\n" | |
317 | "systemd.log_target=console|kmsg|syslog| Log target\n" | |
318 | " syslog-org-kmsg|null\n" | |
319 | "systemd.log_level=LEVEL Log level\n" | |
320 | "systemd.log_color=0|1 Highlight important log messages\n" | |
321 | "systemd.log_location=0|1 Include code location in log messages\n" | |
322 | "systemd.dump_core=0|1 Dump core on crash\n" | |
9e58ff9c | 323 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 324 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c LP |
325 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
326 | "systemd.show_status=0|1 Show status updates on the console during bootup\n"); | |
4fc935ca | 327 | |
fa0f4d8a LP |
328 | } else if (streq(word, "nomodules")) |
329 | arg_nomodules = true; | |
0ff4cdd9 LP |
330 | else if (startswith(word, "console=")) { |
331 | const char *k; | |
332 | size_t l; | |
333 | char *w = NULL; | |
334 | ||
335 | k = word + 8; | |
336 | l = strcspn(k, ","); | |
337 | ||
338 | if (l < 4 || | |
339 | !startswith(k, "tty") || | |
340 | k[3+strspn(k+3, "0123456789")] != 0) { | |
341 | ||
342 | if (!(w = strndup(k, l))) | |
343 | return -ENOMEM; | |
344 | } | |
345 | ||
346 | free(arg_console); | |
347 | arg_console = w; | |
348 | ||
349 | } else if (streq(word, "quiet")) { | |
9e58ff9c LP |
350 | if (!ignore_quiet) |
351 | arg_show_status = false; | |
352 | } else { | |
f170852a LP |
353 | unsigned i; |
354 | ||
355 | /* SysV compatibility */ | |
f170852a LP |
356 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
357 | if (streq(word, rlmap[i])) | |
358 | return set_default_unit(rlmap[i+1]); | |
359 | } | |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
487393e9 LP |
364 | static int config_parse_level( |
365 | const char *filename, | |
366 | unsigned line, | |
367 | const char *section, | |
368 | const char *lvalue, | |
369 | const char *rvalue, | |
370 | void *data, | |
371 | void *userdata) { | |
372 | ||
373 | assert(filename); | |
374 | assert(lvalue); | |
375 | assert(rvalue); | |
376 | ||
377 | log_set_max_level_from_string(rvalue); | |
378 | return 0; | |
379 | } | |
380 | ||
381 | static int config_parse_target( | |
382 | const char *filename, | |
383 | unsigned line, | |
384 | const char *section, | |
385 | const char *lvalue, | |
386 | const char *rvalue, | |
387 | void *data, | |
388 | void *userdata) { | |
389 | ||
390 | assert(filename); | |
391 | assert(lvalue); | |
392 | assert(rvalue); | |
393 | ||
394 | log_set_target_from_string(rvalue); | |
395 | return 0; | |
396 | } | |
397 | ||
398 | static int config_parse_color( | |
399 | const char *filename, | |
400 | unsigned line, | |
401 | const char *section, | |
402 | const char *lvalue, | |
403 | const char *rvalue, | |
404 | void *data, | |
405 | void *userdata) { | |
406 | ||
407 | assert(filename); | |
408 | assert(lvalue); | |
409 | assert(rvalue); | |
410 | ||
411 | log_show_color_from_string(rvalue); | |
412 | return 0; | |
413 | } | |
414 | ||
415 | static int config_parse_location( | |
416 | const char *filename, | |
417 | unsigned line, | |
418 | const char *section, | |
419 | const char *lvalue, | |
420 | const char *rvalue, | |
421 | void *data, | |
422 | void *userdata) { | |
423 | ||
424 | assert(filename); | |
425 | assert(lvalue); | |
426 | assert(rvalue); | |
427 | ||
428 | log_show_location_from_string(rvalue); | |
429 | return 0; | |
430 | } | |
431 | ||
432 | static int config_parse_cpu_affinity( | |
433 | const char *filename, | |
434 | unsigned line, | |
435 | const char *section, | |
436 | const char *lvalue, | |
437 | const char *rvalue, | |
438 | void *data, | |
439 | void *userdata) { | |
440 | ||
441 | char *w; | |
442 | size_t l; | |
443 | char *state; | |
444 | cpu_set_t *c = NULL; | |
445 | unsigned ncpus = 0; | |
446 | ||
447 | assert(filename); | |
448 | assert(lvalue); | |
449 | assert(rvalue); | |
450 | ||
f60f22df | 451 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
452 | char *t; |
453 | int r; | |
454 | unsigned cpu; | |
455 | ||
456 | if (!(t = strndup(w, l))) | |
457 | return -ENOMEM; | |
458 | ||
459 | r = safe_atou(t, &cpu); | |
460 | free(t); | |
461 | ||
462 | if (!c) | |
463 | if (!(c = cpu_set_malloc(&ncpus))) | |
464 | return -ENOMEM; | |
465 | ||
466 | if (r < 0 || cpu >= ncpus) { | |
467 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
468 | CPU_FREE(c); | |
469 | return -EBADMSG; | |
470 | } | |
471 | ||
472 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
473 | } | |
474 | ||
475 | if (c) { | |
476 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
477 | log_warning("Failed to set CPU affinity: %m"); | |
478 | ||
479 | CPU_FREE(c); | |
480 | } | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
485 | static int parse_config_file(void) { | |
486 | ||
487 | const ConfigItem items[] = { | |
488 | { "LogLevel", config_parse_level, NULL, "Manager" }, | |
489 | { "LogTarget", config_parse_target, NULL, "Manager" }, | |
490 | { "LogColor", config_parse_color, NULL, "Manager" }, | |
491 | { "LogLocation", config_parse_location, NULL, "Manager" }, | |
492 | { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" }, | |
493 | { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" }, | |
494 | { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" }, | |
495 | { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" }, | |
496 | { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" }, | |
497 | { NULL, NULL, NULL, NULL } | |
498 | }; | |
499 | ||
500 | static const char * const sections[] = { | |
501 | "Manager", | |
502 | NULL | |
503 | }; | |
504 | ||
505 | FILE *f; | |
506 | const char *fn; | |
507 | int r; | |
508 | ||
509 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE; | |
510 | ||
511 | if (!(f = fopen(fn, "re"))) { | |
512 | if (errno == ENOENT) | |
513 | return 0; | |
514 | ||
515 | log_warning("Failed to open configuration file '%s': %m", fn); | |
516 | return 0; | |
517 | } | |
518 | ||
519 | if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0) | |
520 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
521 | ||
522 | fclose(f); | |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
f170852a LP |
527 | static int parse_proc_cmdline(void) { |
528 | char *line; | |
529 | int r; | |
530 | char *w; | |
531 | size_t l; | |
532 | char *state; | |
533 | ||
534 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { | |
535 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(errno)); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
540 | char *word; | |
541 | ||
542 | if (!(word = strndup(w, l))) { | |
543 | r = -ENOMEM; | |
544 | goto finish; | |
545 | } | |
546 | ||
547 | r = parse_proc_cmdline_word(word); | |
548 | free(word); | |
549 | ||
550 | if (r < 0) | |
551 | goto finish; | |
552 | } | |
553 | ||
554 | r = 0; | |
555 | ||
556 | finish: | |
557 | free(line); | |
558 | return r; | |
559 | } | |
560 | ||
561 | static int parse_argv(int argc, char *argv[]) { | |
562 | ||
563 | enum { | |
564 | ARG_LOG_LEVEL = 0x100, | |
565 | ARG_LOG_TARGET, | |
bbe63281 LP |
566 | ARG_LOG_COLOR, |
567 | ARG_LOG_LOCATION, | |
2f198e2f | 568 | ARG_UNIT, |
edb9aaa8 LP |
569 | ARG_SYSTEM, |
570 | ARG_SESSION, | |
e537352b | 571 | ARG_TEST, |
80876c20 | 572 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
573 | ARG_DUMP_CORE, |
574 | ARG_CRASH_SHELL, | |
a16e1123 | 575 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 576 | ARG_SHOW_STATUS, |
4288f619 LP |
577 | ARG_DESERIALIZE, |
578 | ARG_INTROSPECT | |
f170852a LP |
579 | }; |
580 | ||
581 | static const struct option options[] = { | |
a16e1123 LP |
582 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
583 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
584 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
585 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 586 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 LP |
587 | { "system", no_argument, NULL, ARG_SYSTEM }, |
588 | { "session", no_argument, NULL, ARG_SESSION }, | |
a16e1123 LP |
589 | { "test", no_argument, NULL, ARG_TEST }, |
590 | { "help", no_argument, NULL, 'h' }, | |
591 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
592 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
593 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 594 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
9e58ff9c | 595 | { "show-status", no_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 596 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 597 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
a16e1123 | 598 | { NULL, 0, NULL, 0 } |
f170852a LP |
599 | }; |
600 | ||
601 | int c, r; | |
602 | ||
603 | assert(argc >= 1); | |
604 | assert(argv); | |
605 | ||
1d2e23ab | 606 | while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0) |
f170852a LP |
607 | |
608 | switch (c) { | |
609 | ||
610 | case ARG_LOG_LEVEL: | |
611 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
612 | log_error("Failed to parse log level %s.", optarg); | |
613 | return r; | |
614 | } | |
615 | ||
616 | break; | |
617 | ||
618 | case ARG_LOG_TARGET: | |
619 | ||
620 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
621 | log_error("Failed to parse log target %s.", optarg); | |
622 | return r; | |
623 | } | |
624 | ||
625 | break; | |
626 | ||
bbe63281 LP |
627 | case ARG_LOG_COLOR: |
628 | ||
d0b170c8 LP |
629 | if (optarg) { |
630 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
631 | log_error("Failed to parse log color setting %s.", optarg); | |
632 | return r; | |
633 | } | |
634 | } else | |
635 | log_show_color(true); | |
bbe63281 LP |
636 | |
637 | break; | |
638 | ||
639 | case ARG_LOG_LOCATION: | |
640 | ||
d0b170c8 LP |
641 | if (optarg) { |
642 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
643 | log_error("Failed to parse log location setting %s.", optarg); | |
644 | return r; | |
645 | } | |
646 | } else | |
647 | log_show_location(true); | |
bbe63281 LP |
648 | |
649 | break; | |
650 | ||
2f198e2f | 651 | case ARG_UNIT: |
f170852a LP |
652 | |
653 | if ((r = set_default_unit(optarg)) < 0) { | |
654 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
655 | return r; | |
656 | } | |
657 | ||
658 | break; | |
659 | ||
edb9aaa8 LP |
660 | case ARG_SYSTEM: |
661 | arg_running_as = MANAGER_SYSTEM; | |
662 | break; | |
a5dab5ce | 663 | |
edb9aaa8 LP |
664 | case ARG_SESSION: |
665 | arg_running_as = MANAGER_SESSION; | |
a5dab5ce | 666 | break; |
a5dab5ce | 667 | |
e965d56d | 668 | case ARG_TEST: |
fa0f4d8a | 669 | arg_action = ACTION_TEST; |
e965d56d LP |
670 | break; |
671 | ||
e537352b | 672 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 673 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
674 | break; |
675 | ||
9e58ff9c LP |
676 | case ARG_DUMP_CORE: |
677 | arg_dump_core = true; | |
678 | break; | |
679 | ||
680 | case ARG_CRASH_SHELL: | |
681 | arg_crash_shell = true; | |
682 | break; | |
683 | ||
80876c20 | 684 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 685 | arg_confirm_spawn = true; |
80876c20 LP |
686 | break; |
687 | ||
9e58ff9c LP |
688 | case ARG_SHOW_STATUS: |
689 | arg_show_status = true; | |
690 | break; | |
691 | ||
a16e1123 LP |
692 | case ARG_DESERIALIZE: { |
693 | int fd; | |
694 | FILE *f; | |
695 | ||
696 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
697 | log_error("Failed to parse deserialize option %s.", optarg); | |
698 | return r; | |
699 | } | |
700 | ||
701 | if (!(f = fdopen(fd, "r"))) { | |
702 | log_error("Failed to open serialization fd: %m"); | |
703 | return r; | |
704 | } | |
705 | ||
706 | if (serialization) | |
707 | fclose(serialization); | |
708 | ||
709 | serialization = f; | |
710 | ||
711 | break; | |
712 | } | |
713 | ||
4288f619 LP |
714 | case ARG_INTROSPECT: { |
715 | const char * const * i = NULL; | |
716 | ||
717 | for (i = bus_interface_table; *i; i += 2) | |
718 | if (!optarg || streq(i[0], optarg)) { | |
719 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
720 | "<node>\n", stdout); | |
721 | fputs(i[1], stdout); | |
722 | fputs("</node>\n", stdout); | |
723 | ||
724 | if (optarg) | |
725 | break; | |
726 | } | |
727 | ||
728 | if (!i[0] && optarg) | |
729 | log_error("Unknown interface %s.", optarg); | |
730 | ||
fa0f4d8a | 731 | arg_action = ACTION_DONE; |
4288f619 LP |
732 | break; |
733 | } | |
734 | ||
f170852a | 735 | case 'h': |
fa0f4d8a | 736 | arg_action = ACTION_HELP; |
f170852a LP |
737 | break; |
738 | ||
1d2e23ab LP |
739 | case 'D': |
740 | log_set_max_level(LOG_DEBUG); | |
741 | break; | |
742 | ||
f170852a LP |
743 | case '?': |
744 | return -EINVAL; | |
745 | ||
746 | default: | |
747 | log_error("Unknown option code %c", c); | |
748 | return -EINVAL; | |
749 | } | |
750 | ||
51f0e189 LP |
751 | /* PID 1 will get the kernel arguments as parameters, which we |
752 | * ignore and unconditionally read from | |
753 | * /proc/cmdline. However, we need to ignore those arguments | |
754 | * here. */ | |
fa0f4d8a | 755 | if (arg_running_as != MANAGER_SYSTEM && optind < argc) { |
51f0e189 LP |
756 | log_error("Excess arguments."); |
757 | return -EINVAL; | |
758 | } | |
759 | ||
f170852a LP |
760 | return 0; |
761 | } | |
762 | ||
763 | static int help(void) { | |
764 | ||
2e33c433 | 765 | printf("%s [OPTIONS...]\n\n" |
bbe63281 | 766 | "Starts up and maintains the system or a session.\n\n" |
e537352b | 767 | " -h --help Show this help\n" |
e537352b | 768 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 769 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 770 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 771 | " --unit=UNIT Set default unit\n" |
edb9aaa8 LP |
772 | " --system Run a system instance, even if PID != 1\n" |
773 | " --session Run a session instance\n" | |
9e58ff9c LP |
774 | " --dump-core Dump core on crash\n" |
775 | " --crash-shell Run shell on crash\n" | |
776 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
777 | " --show-status Show status updates on the console during bootup\n" | |
bbe63281 | 778 | " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 779 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 780 | " --log-color[=0|1] Highlight important log messages\n" |
bbe63281 | 781 | " --log-location[=0|1] Include code location in log messages\n", |
5b6319dc | 782 | program_invocation_short_name); |
f170852a LP |
783 | |
784 | return 0; | |
785 | } | |
786 | ||
a16e1123 LP |
787 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
788 | FILE *f = NULL; | |
789 | FDSet *fds = NULL; | |
790 | int r; | |
791 | ||
792 | assert(m); | |
793 | assert(_f); | |
794 | assert(_fds); | |
795 | ||
d8d5ab98 | 796 | if ((r = manager_open_serialization(m, &f)) < 0) { |
a16e1123 LP |
797 | log_error("Failed to create serialization faile: %s", strerror(-r)); |
798 | goto fail; | |
799 | } | |
800 | ||
801 | if (!(fds = fdset_new())) { | |
802 | r = -ENOMEM; | |
803 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
804 | goto fail; | |
805 | } | |
806 | ||
807 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
808 | log_error("Failed to serialize state: %s", strerror(-r)); | |
809 | goto fail; | |
810 | } | |
811 | ||
812 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
813 | log_error("Failed to rewind serialization fd: %m"); | |
814 | goto fail; | |
815 | } | |
816 | ||
817 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
818 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
819 | goto fail; | |
820 | } | |
821 | ||
822 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
823 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
824 | goto fail; | |
825 | } | |
826 | ||
827 | *_f = f; | |
828 | *_fds = fds; | |
829 | ||
830 | return 0; | |
831 | ||
832 | fail: | |
833 | fdset_free(fds); | |
834 | ||
835 | if (f) | |
836 | fclose(f); | |
837 | ||
838 | return r; | |
839 | } | |
840 | ||
60918275 LP |
841 | int main(int argc, char *argv[]) { |
842 | Manager *m = NULL; | |
87f0e418 | 843 | Unit *target = NULL; |
60918275 | 844 | int r, retval = 1; |
a16e1123 LP |
845 | FDSet *fds = NULL; |
846 | bool reexecute = false; | |
27b14a22 | 847 | |
2cb1a60d LP |
848 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
849 | /* This is compatbility support for SysV, where | |
850 | * calling init as a user is identical to telinit. */ | |
851 | ||
852 | errno = -ENOENT; | |
853 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
854 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
855 | return 1; | |
856 | } | |
857 | ||
2cc59dbf | 858 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 859 | log_show_location(false); |
7c706717 | 860 | log_set_max_level(LOG_INFO); |
bbe63281 | 861 | |
843d2643 | 862 | if (getpid() == 1) { |
fa0f4d8a | 863 | arg_running_as = MANAGER_SYSTEM; |
843d2643 | 864 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
0ff4cdd9 LP |
865 | |
866 | if (label_init() < 0) | |
867 | goto finish; | |
bbe63281 | 868 | } else { |
fa0f4d8a | 869 | arg_running_as = MANAGER_SESSION; |
bbe63281 LP |
870 | log_set_target(LOG_TARGET_CONSOLE); |
871 | } | |
a5dab5ce | 872 | |
f170852a LP |
873 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
874 | goto finish; | |
60918275 | 875 | |
f170852a LP |
876 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
877 | * /proc/$PID/fd is available. */ | |
ca326f6f | 878 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) |
8efe3c01 LP |
879 | if (mount_setup() < 0) |
880 | goto finish; | |
4ade7963 LP |
881 | |
882 | /* Reset all signal handlers. */ | |
883 | assert_se(reset_all_signal_handlers() == 0); | |
884 | ||
078e4539 | 885 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 886 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 887 | |
487393e9 LP |
888 | if (parse_config_file() < 0) |
889 | goto finish; | |
890 | ||
fa0f4d8a | 891 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
892 | if (parse_proc_cmdline() < 0) |
893 | goto finish; | |
f170852a LP |
894 | |
895 | log_parse_environment(); | |
896 | ||
897 | if (parse_argv(argc, argv) < 0) | |
898 | goto finish; | |
899 | ||
fa0f4d8a | 900 | if (arg_action == ACTION_HELP) { |
f170852a LP |
901 | retval = help(); |
902 | goto finish; | |
fa0f4d8a | 903 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b LP |
904 | unit_dump_config_items(stdout); |
905 | retval = 0; | |
906 | goto finish; | |
fa0f4d8a | 907 | } else if (arg_action == ACTION_DONE) { |
4288f619 LP |
908 | retval = 0; |
909 | goto finish; | |
f170852a LP |
910 | } |
911 | ||
fa0f4d8a | 912 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 913 | |
a16e1123 LP |
914 | /* Remember open file descriptors for later deserialization */ |
915 | if (serialization) { | |
916 | if ((r = fdset_new_fill(&fds)) < 0) { | |
917 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
918 | goto finish; | |
919 | } | |
920 | ||
921 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
922 | } else | |
923 | close_all_fds(NULL, 0); | |
924 | ||
09082a94 | 925 | /* Set up PATH unless it is already set */ |
e537352b LP |
926 | setenv("PATH", |
927 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", | |
fa0f4d8a | 928 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 929 | |
f170852a LP |
930 | /* Move out of the way, so that we won't block unmounts */ |
931 | assert_se(chdir("/") == 0); | |
932 | ||
fa0f4d8a | 933 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
934 | /* Become a session leader if we aren't one yet. */ |
935 | setsid(); | |
4ade7963 | 936 | |
80876c20 LP |
937 | /* Disable the umask logic */ |
938 | umask(0); | |
939 | } | |
940 | ||
843d2643 LP |
941 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
942 | dbus_connection_set_change_sigpipe(FALSE); | |
943 | ||
2146621b LP |
944 | /* Reset the console, but only if this is really init and we |
945 | * are freshly booted */ | |
fa0f4d8a | 946 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
2146621b | 947 | console_setup(getpid() == 1 && !serialization); |
843d2643 LP |
948 | make_null_stdio(); |
949 | } | |
4ade7963 | 950 | |
18149b9f | 951 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 952 | log_open(); |
4ade7963 | 953 | |
5373d602 LP |
954 | /* Make sure we leave a core dump without panicing the |
955 | * kernel. */ | |
4fc935ca LP |
956 | if (getpid() == 1) |
957 | install_crash_handler(); | |
97c4f35c | 958 | |
54165a39 | 959 | log_info(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 960 | |
ad780f19 LP |
961 | if (arg_running_as == MANAGER_SYSTEM) { |
962 | ||
963 | /* Disable nscd, to avoid deadlocks when systemd uses | |
964 | * NSS and the nscd socket is maintained by us. */ | |
e054f833 LP |
965 | /* if (nss_disable_nscd) { */ |
966 | /* log_debug("Disabling nscd"); */ | |
967 | /* nss_disable_nscd(); */ | |
968 | /* } else */ | |
969 | /* log_debug("Hmm, can't disable nscd."); */ | |
ad780f19 LP |
970 | |
971 | if (!serialization) { | |
972 | if (arg_show_status) | |
973 | status_welcome(); | |
974 | modprobe_setup(arg_nomodules); | |
975 | kmod_setup(); | |
976 | hostname_setup(); | |
977 | loopback_setup(); | |
978 | } | |
af5bc85d | 979 | } |
302e8c4c | 980 | |
9e58ff9c | 981 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 982 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
983 | goto finish; |
984 | } | |
985 | ||
9e58ff9c LP |
986 | m->confirm_spawn = arg_confirm_spawn; |
987 | m->show_status = arg_show_status; | |
988 | ||
a16e1123 | 989 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 990 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
991 | |
992 | if (fds) { | |
993 | /* This will close all file descriptors that were opened, but | |
994 | * not claimed by any unit. */ | |
995 | ||
996 | fdset_free(fds); | |
997 | fds = NULL; | |
f50e0a01 LP |
998 | } |
999 | ||
a16e1123 LP |
1000 | if (serialization) { |
1001 | fclose(serialization); | |
1002 | serialization = NULL; | |
1003 | } else { | |
398ef8ba LP |
1004 | DBusError error; |
1005 | ||
1006 | dbus_error_init(&error); | |
1007 | ||
fa0f4d8a | 1008 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1009 | |
398ef8ba LP |
1010 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1011 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1012 | dbus_error_free(&error); | |
27b14a22 | 1013 | |
a16e1123 | 1014 | log_info("Trying to load rescue target..."); |
398ef8ba LP |
1015 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1016 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1017 | dbus_error_free(&error); | |
a16e1123 LP |
1018 | goto finish; |
1019 | } | |
1020 | } | |
37d88da7 | 1021 | |
fa0f4d8a | 1022 | if (arg_action == ACTION_TEST) { |
40d50879 | 1023 | printf("-> By units:\n"); |
a16e1123 LP |
1024 | manager_dump_units(m, stdout, "\t"); |
1025 | } | |
1026 | ||
0ff4cdd9 | 1027 | if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) { |
398ef8ba LP |
1028 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1029 | dbus_error_free(&error); | |
37d88da7 LP |
1030 | goto finish; |
1031 | } | |
60918275 | 1032 | |
0ff4cdd9 LP |
1033 | if (arg_console && arg_running_as == MANAGER_SYSTEM) { |
1034 | char *name; | |
1035 | ||
1036 | if (asprintf(&name, "getty@%s.service", arg_console) < 0) | |
1037 | log_error("Out of memory while generating console getty service name."); | |
1038 | else { | |
1039 | if ((r = manager_add_job_by_name(m, JOB_START, name, JOB_FAIL, false, &error, NULL)) < 0) { | |
1040 | log_error("Failed to start console getty target: %s", bus_error(&error, r)); | |
1041 | dbus_error_free(&error); | |
1042 | } | |
1043 | ||
1044 | free(name); | |
1045 | } | |
1046 | } | |
1047 | ||
fa0f4d8a | 1048 | if (arg_action == ACTION_TEST) { |
40d50879 | 1049 | printf("-> By jobs:\n"); |
a16e1123 LP |
1050 | manager_dump_jobs(m, stdout, "\t"); |
1051 | retval = 0; | |
1052 | goto finish; | |
1053 | } | |
e965d56d | 1054 | } |
d46de8a1 | 1055 | |
a16e1123 LP |
1056 | for (;;) { |
1057 | if ((r = manager_loop(m)) < 0) { | |
1058 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1059 | goto finish; | |
1060 | } | |
11dd41ce | 1061 | |
a16e1123 | 1062 | switch (m->exit_code) { |
e965d56d | 1063 | |
a16e1123 LP |
1064 | case MANAGER_EXIT: |
1065 | retval = 0; | |
1066 | log_debug("Exit."); | |
1067 | goto finish; | |
e965d56d | 1068 | |
a16e1123 | 1069 | case MANAGER_RELOAD: |
e015090f | 1070 | log_info("Reloading."); |
a16e1123 LP |
1071 | if ((r = manager_reload(m)) < 0) |
1072 | log_error("Failed to reload: %s", strerror(-r)); | |
1073 | break; | |
cea8e32e | 1074 | |
a16e1123 | 1075 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1076 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1077 | goto finish; | |
60918275 | 1078 | |
a16e1123 | 1079 | reexecute = true; |
e015090f | 1080 | log_notice("Reexecuting."); |
a16e1123 LP |
1081 | goto finish; |
1082 | ||
1083 | default: | |
1084 | assert_not_reached("Unknown exit code."); | |
1085 | } | |
1086 | } | |
f170852a | 1087 | |
60918275 LP |
1088 | finish: |
1089 | if (m) | |
1090 | manager_free(m); | |
1091 | ||
fa0f4d8a | 1092 | free(arg_default_unit); |
0ff4cdd9 | 1093 | free(arg_console); |
b9cd2ec1 | 1094 | |
ea430986 LP |
1095 | dbus_shutdown(); |
1096 | ||
a16e1123 | 1097 | if (reexecute) { |
edb9aaa8 | 1098 | const char *args[14]; |
a16e1123 LP |
1099 | unsigned i = 0; |
1100 | char sfd[16]; | |
1101 | ||
1102 | assert(serialization); | |
1103 | assert(fds); | |
1104 | ||
1105 | args[i++] = SYSTEMD_BINARY_PATH; | |
1106 | ||
1107 | args[i++] = "--log-level"; | |
1108 | args[i++] = log_level_to_string(log_get_max_level()); | |
1109 | ||
1110 | args[i++] = "--log-target"; | |
1111 | args[i++] = log_target_to_string(log_get_target()); | |
1112 | ||
edb9aaa8 LP |
1113 | if (arg_running_as == MANAGER_SYSTEM) |
1114 | args[i++] = "--system"; | |
1115 | else | |
1116 | args[i++] = "--session"; | |
1117 | ||
1118 | if (arg_dump_core) | |
1119 | args[i++] = "--dump-core"; | |
1120 | ||
1121 | if (arg_crash_shell) | |
1122 | args[i++] = "--crash-shell"; | |
1123 | ||
1124 | if (arg_confirm_spawn) | |
1125 | args[i++] = "--confirm-spawn"; | |
1126 | ||
1127 | if (arg_show_status) | |
1128 | args[i++] = "--show-status"; | |
a16e1123 LP |
1129 | |
1130 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1131 | char_array_0(sfd); | |
1132 | ||
1133 | args[i++] = "--deserialize"; | |
1134 | args[i++] = sfd; | |
1135 | ||
a16e1123 LP |
1136 | args[i++] = NULL; |
1137 | ||
1138 | assert(i <= ELEMENTSOF(args)); | |
1139 | ||
1140 | execv(args[0], (char* const*) args); | |
1141 | ||
1142 | log_error("Failed to reexecute: %m"); | |
1143 | } | |
1144 | ||
1145 | if (serialization) | |
1146 | fclose(serialization); | |
1147 | ||
1148 | if (fds) | |
1149 | fdset_free(fds); | |
1150 | ||
c3b3c274 LP |
1151 | if (getpid() == 1) |
1152 | freeze(); | |
1153 | ||
56cf987f DW |
1154 | label_finish(); |
1155 | ||
60918275 LP |
1156 | return retval; |
1157 | } |