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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; |
6e98720f | 67 | static bool arg_sysv_console = true; |
4fc935ca | 68 | |
a16e1123 | 69 | static FILE* serialization = NULL; |
80876c20 | 70 | |
93a46b0b | 71 | _noreturn_ static void freeze(void) { |
97c4f35c LP |
72 | for (;;) |
73 | pause(); | |
74 | } | |
75 | ||
6f5e3f35 LP |
76 | static void nop_handler(int sig) { |
77 | } | |
78 | ||
93a46b0b | 79 | _noreturn_ static void crash(int sig) { |
97c4f35c | 80 | |
fa0f4d8a | 81 | if (!arg_dump_core) |
582a507f | 82 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 83 | else { |
6f5e3f35 | 84 | struct sigaction sa; |
97c4f35c LP |
85 | pid_t pid; |
86 | ||
6f5e3f35 LP |
87 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
88 | zero(sa); | |
89 | sa.sa_handler = nop_handler; | |
90 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
91 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
92 | ||
97c4f35c | 93 | if ((pid = fork()) < 0) |
582a507f | 94 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
95 | |
96 | else if (pid == 0) { | |
97c4f35c LP |
97 | struct rlimit rl; |
98 | ||
99 | /* Enable default signal handler for core dump */ | |
100 | zero(sa); | |
101 | sa.sa_handler = SIG_DFL; | |
102 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
103 | ||
104 | /* Don't limit the core dump size */ | |
105 | zero(rl); | |
106 | rl.rlim_cur = RLIM_INFINITY; | |
107 | rl.rlim_max = RLIM_INFINITY; | |
108 | setrlimit(RLIMIT_CORE, &rl); | |
109 | ||
110 | /* Just to be sure... */ | |
111 | assert_se(chdir("/") == 0); | |
112 | ||
113 | /* Raise the signal again */ | |
114 | raise(sig); | |
115 | ||
116 | assert_not_reached("We shouldn't be here..."); | |
117 | _exit(1); | |
4fc935ca LP |
118 | |
119 | } else { | |
e364ad06 | 120 | int status; |
4fc935ca LP |
121 | |
122 | /* Order things nicely. */ | |
e364ad06 | 123 | if (waitpid(pid, &status, 0) < 0) |
582a507f | 124 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno)); |
4fc935ca | 125 | else if (!WCOREDUMP(status)) |
582a507f | 126 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 127 | else |
582a507f | 128 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
129 | } |
130 | } | |
131 | ||
fa0f4d8a LP |
132 | if (arg_crash_chvt) |
133 | chvt(arg_crash_chvt); | |
601f6a1e | 134 | |
fa0f4d8a | 135 | if (arg_crash_shell) { |
6f5e3f35 LP |
136 | struct sigaction sa; |
137 | pid_t pid; | |
8c43883a | 138 | |
4fc935ca LP |
139 | log_info("Executing crash shell in 10s..."); |
140 | sleep(10); | |
141 | ||
6f5e3f35 LP |
142 | /* Let the kernel reap children for us */ |
143 | zero(sa); | |
144 | sa.sa_handler = SIG_IGN; | |
145 | sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; | |
146 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
8c43883a | 147 | |
6f5e3f35 LP |
148 | if ((pid = fork()) < 0) |
149 | log_error("Failed to fork off crash shell: %s", strerror(errno)); | |
150 | else if (pid == 0) { | |
843d2643 | 151 | int fd, r; |
ea5652c2 | 152 | |
21de3988 | 153 | if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0) |
ea5652c2 | 154 | log_error("Failed to acquire terminal: %s", strerror(-fd)); |
5b2a0903 | 155 | else if ((r = make_stdio(fd)) < 0) |
843d2643 | 156 | log_error("Failed to duplicate terminal fd: %s", strerror(-r)); |
ea5652c2 | 157 | |
6f5e3f35 LP |
158 | execl("/bin/sh", "/bin/sh", NULL); |
159 | ||
160 | log_error("execl() failed: %s", strerror(errno)); | |
161 | _exit(1); | |
162 | } | |
c99b188e | 163 | |
bb00e604 | 164 | log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
165 | } |
166 | ||
167 | log_info("Freezing execution."); | |
97c4f35c LP |
168 | freeze(); |
169 | } | |
170 | ||
171 | static void install_crash_handler(void) { | |
172 | struct sigaction sa; | |
173 | ||
174 | zero(sa); | |
175 | ||
176 | sa.sa_handler = crash; | |
177 | sa.sa_flags = SA_NODEFER; | |
178 | ||
1b91d3e8 | 179 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 180 | } |
f170852a | 181 | |
843d2643 LP |
182 | static int make_null_stdio(void) { |
183 | int null_fd, r; | |
80876c20 | 184 | |
c8513d54 | 185 | if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) { |
80876c20 | 186 | log_error("Failed to open /dev/null: %m"); |
843d2643 | 187 | return -errno; |
80876c20 LP |
188 | } |
189 | ||
843d2643 LP |
190 | if ((r = make_stdio(null_fd)) < 0) |
191 | log_warning("Failed to dup2() device: %s", strerror(-r)); | |
80876c20 | 192 | |
843d2643 LP |
193 | return r; |
194 | } | |
80876c20 | 195 | |
843d2643 LP |
196 | static int console_setup(bool do_reset) { |
197 | int tty_fd, r; | |
80876c20 | 198 | |
843d2643 LP |
199 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
200 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 201 | |
843d2643 LP |
202 | release_terminal(); |
203 | ||
204 | if (!do_reset) | |
205 | return 0; | |
80876c20 | 206 | |
843d2643 LP |
207 | if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) { |
208 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); | |
209 | return -tty_fd; | |
210 | } | |
80876c20 | 211 | |
843d2643 LP |
212 | if ((r = reset_terminal(tty_fd)) < 0) |
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[] = { | |
514f4ef5 LP |
235 | "single", SPECIAL_RESCUE_TARGET, |
236 | "-s", SPECIAL_RESCUE_TARGET, | |
237 | "s", SPECIAL_RESCUE_TARGET, | |
238 | "S", SPECIAL_RESCUE_TARGET, | |
239 | "1", SPECIAL_RESCUE_TARGET, | |
f170852a LP |
240 | "2", SPECIAL_RUNLEVEL2_TARGET, |
241 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
242 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
243 | "5", SPECIAL_RUNLEVEL5_TARGET | |
244 | }; | |
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); | |
6e98720f | 306 | else |
9e58ff9c | 307 | arg_show_status = r; |
6e98720f LP |
308 | |
309 | } else if (startswith(word, "systemd.sysv_console=")) { | |
310 | int r; | |
311 | ||
312 | if ((r = parse_boolean(word + 21)) < 0) | |
313 | log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20); | |
314 | else | |
315 | arg_sysv_console = r; | |
9e58ff9c | 316 | |
4fc935ca LP |
317 | } else if (startswith(word, "systemd.")) { |
318 | ||
319 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
320 | ||
bbe63281 LP |
321 | log_info("Supported kernel switches:\n" |
322 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 323 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 324 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 325 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 326 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f LP |
327 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
328 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" | |
329 | "systemd.log_target=console|kmsg|syslog|syslog-org-kmsg|null\n" | |
330 | " Log target\n" | |
331 | "systemd.log_level=LEVEL Log level\n" | |
332 | "systemd.log_color=0|1 Highlight important log messages\n" | |
333 | "systemd.log_location=0|1 Include code location in log messages\n"); | |
4fc935ca | 334 | |
fa0f4d8a LP |
335 | } else if (streq(word, "nomodules")) |
336 | arg_nomodules = true; | |
0ff4cdd9 LP |
337 | else if (startswith(word, "console=")) { |
338 | const char *k; | |
339 | size_t l; | |
340 | char *w = NULL; | |
341 | ||
342 | k = word + 8; | |
343 | l = strcspn(k, ","); | |
344 | ||
345 | if (l < 4 || | |
346 | !startswith(k, "tty") || | |
347 | k[3+strspn(k+3, "0123456789")] != 0) { | |
348 | ||
349 | if (!(w = strndup(k, l))) | |
350 | return -ENOMEM; | |
351 | } | |
352 | ||
353 | free(arg_console); | |
354 | arg_console = w; | |
355 | ||
356 | } else if (streq(word, "quiet")) { | |
6e98720f LP |
357 | arg_show_status = false; |
358 | arg_sysv_console = false; | |
9e58ff9c | 359 | } else { |
f170852a LP |
360 | unsigned i; |
361 | ||
362 | /* SysV compatibility */ | |
f170852a LP |
363 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
364 | if (streq(word, rlmap[i])) | |
365 | return set_default_unit(rlmap[i+1]); | |
366 | } | |
367 | ||
368 | return 0; | |
369 | } | |
370 | ||
487393e9 LP |
371 | static int config_parse_level( |
372 | const char *filename, | |
373 | unsigned line, | |
374 | const char *section, | |
375 | const char *lvalue, | |
376 | const char *rvalue, | |
377 | void *data, | |
378 | void *userdata) { | |
379 | ||
380 | assert(filename); | |
381 | assert(lvalue); | |
382 | assert(rvalue); | |
383 | ||
384 | log_set_max_level_from_string(rvalue); | |
385 | return 0; | |
386 | } | |
387 | ||
388 | static int config_parse_target( | |
389 | const char *filename, | |
390 | unsigned line, | |
391 | const char *section, | |
392 | const char *lvalue, | |
393 | const char *rvalue, | |
394 | void *data, | |
395 | void *userdata) { | |
396 | ||
397 | assert(filename); | |
398 | assert(lvalue); | |
399 | assert(rvalue); | |
400 | ||
401 | log_set_target_from_string(rvalue); | |
402 | return 0; | |
403 | } | |
404 | ||
405 | static int config_parse_color( | |
406 | const char *filename, | |
407 | unsigned line, | |
408 | const char *section, | |
409 | const char *lvalue, | |
410 | const char *rvalue, | |
411 | void *data, | |
412 | void *userdata) { | |
413 | ||
414 | assert(filename); | |
415 | assert(lvalue); | |
416 | assert(rvalue); | |
417 | ||
418 | log_show_color_from_string(rvalue); | |
419 | return 0; | |
420 | } | |
421 | ||
422 | static int config_parse_location( | |
423 | const char *filename, | |
424 | unsigned line, | |
425 | const char *section, | |
426 | const char *lvalue, | |
427 | const char *rvalue, | |
428 | void *data, | |
429 | void *userdata) { | |
430 | ||
431 | assert(filename); | |
432 | assert(lvalue); | |
433 | assert(rvalue); | |
434 | ||
435 | log_show_location_from_string(rvalue); | |
436 | return 0; | |
437 | } | |
438 | ||
439 | static int config_parse_cpu_affinity( | |
440 | const char *filename, | |
441 | unsigned line, | |
442 | const char *section, | |
443 | const char *lvalue, | |
444 | const char *rvalue, | |
445 | void *data, | |
446 | void *userdata) { | |
447 | ||
448 | char *w; | |
449 | size_t l; | |
450 | char *state; | |
451 | cpu_set_t *c = NULL; | |
452 | unsigned ncpus = 0; | |
453 | ||
454 | assert(filename); | |
455 | assert(lvalue); | |
456 | assert(rvalue); | |
457 | ||
f60f22df | 458 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
459 | char *t; |
460 | int r; | |
461 | unsigned cpu; | |
462 | ||
463 | if (!(t = strndup(w, l))) | |
464 | return -ENOMEM; | |
465 | ||
466 | r = safe_atou(t, &cpu); | |
467 | free(t); | |
468 | ||
469 | if (!c) | |
470 | if (!(c = cpu_set_malloc(&ncpus))) | |
471 | return -ENOMEM; | |
472 | ||
473 | if (r < 0 || cpu >= ncpus) { | |
474 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
475 | CPU_FREE(c); | |
476 | return -EBADMSG; | |
477 | } | |
478 | ||
479 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
480 | } | |
481 | ||
482 | if (c) { | |
483 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
484 | log_warning("Failed to set CPU affinity: %m"); | |
485 | ||
486 | CPU_FREE(c); | |
487 | } | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
492 | static int parse_config_file(void) { | |
493 | ||
494 | const ConfigItem items[] = { | |
495 | { "LogLevel", config_parse_level, NULL, "Manager" }, | |
496 | { "LogTarget", config_parse_target, NULL, "Manager" }, | |
497 | { "LogColor", config_parse_color, NULL, "Manager" }, | |
498 | { "LogLocation", config_parse_location, NULL, "Manager" }, | |
499 | { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" }, | |
500 | { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" }, | |
501 | { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" }, | |
6e98720f | 502 | { "SysVConsole", config_parse_bool, &arg_sysv_console,"Manager" }, |
487393e9 LP |
503 | { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" }, |
504 | { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" }, | |
505 | { NULL, NULL, NULL, NULL } | |
506 | }; | |
507 | ||
508 | static const char * const sections[] = { | |
509 | "Manager", | |
510 | NULL | |
511 | }; | |
512 | ||
513 | FILE *f; | |
514 | const char *fn; | |
515 | int r; | |
516 | ||
517 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE; | |
518 | ||
519 | if (!(f = fopen(fn, "re"))) { | |
520 | if (errno == ENOENT) | |
521 | return 0; | |
522 | ||
523 | log_warning("Failed to open configuration file '%s': %m", fn); | |
524 | return 0; | |
525 | } | |
526 | ||
527 | if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0) | |
528 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
529 | ||
530 | fclose(f); | |
531 | ||
532 | return 0; | |
533 | } | |
534 | ||
f170852a LP |
535 | static int parse_proc_cmdline(void) { |
536 | char *line; | |
537 | int r; | |
538 | char *w; | |
539 | size_t l; | |
540 | char *state; | |
541 | ||
542 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { | |
e364ad06 | 543 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
544 | return 0; |
545 | } | |
546 | ||
547 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
548 | char *word; | |
549 | ||
550 | if (!(word = strndup(w, l))) { | |
551 | r = -ENOMEM; | |
552 | goto finish; | |
553 | } | |
554 | ||
555 | r = parse_proc_cmdline_word(word); | |
556 | free(word); | |
557 | ||
558 | if (r < 0) | |
559 | goto finish; | |
560 | } | |
561 | ||
562 | r = 0; | |
563 | ||
564 | finish: | |
565 | free(line); | |
566 | return r; | |
567 | } | |
568 | ||
569 | static int parse_argv(int argc, char *argv[]) { | |
570 | ||
571 | enum { | |
572 | ARG_LOG_LEVEL = 0x100, | |
573 | ARG_LOG_TARGET, | |
bbe63281 LP |
574 | ARG_LOG_COLOR, |
575 | ARG_LOG_LOCATION, | |
2f198e2f | 576 | ARG_UNIT, |
edb9aaa8 LP |
577 | ARG_SYSTEM, |
578 | ARG_SESSION, | |
e537352b | 579 | ARG_TEST, |
80876c20 | 580 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
581 | ARG_DUMP_CORE, |
582 | ARG_CRASH_SHELL, | |
a16e1123 | 583 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 584 | ARG_SHOW_STATUS, |
6e98720f | 585 | ARG_SYSV_CONSOLE, |
4288f619 LP |
586 | ARG_DESERIALIZE, |
587 | ARG_INTROSPECT | |
f170852a LP |
588 | }; |
589 | ||
590 | static const struct option options[] = { | |
a16e1123 LP |
591 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
592 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
593 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
594 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 595 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 LP |
596 | { "system", no_argument, NULL, ARG_SYSTEM }, |
597 | { "session", no_argument, NULL, ARG_SESSION }, | |
a16e1123 LP |
598 | { "test", no_argument, NULL, ARG_TEST }, |
599 | { "help", no_argument, NULL, 'h' }, | |
600 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
601 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
602 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 603 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f LP |
604 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
605 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, | |
a16e1123 | 606 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 607 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
a16e1123 | 608 | { NULL, 0, NULL, 0 } |
f170852a LP |
609 | }; |
610 | ||
611 | int c, r; | |
612 | ||
613 | assert(argc >= 1); | |
614 | assert(argv); | |
615 | ||
1d2e23ab | 616 | while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0) |
f170852a LP |
617 | |
618 | switch (c) { | |
619 | ||
620 | case ARG_LOG_LEVEL: | |
621 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
622 | log_error("Failed to parse log level %s.", optarg); | |
623 | return r; | |
624 | } | |
625 | ||
626 | break; | |
627 | ||
628 | case ARG_LOG_TARGET: | |
629 | ||
630 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
631 | log_error("Failed to parse log target %s.", optarg); | |
632 | return r; | |
633 | } | |
634 | ||
635 | break; | |
636 | ||
bbe63281 LP |
637 | case ARG_LOG_COLOR: |
638 | ||
d0b170c8 LP |
639 | if (optarg) { |
640 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
641 | log_error("Failed to parse log color setting %s.", optarg); | |
642 | return r; | |
643 | } | |
644 | } else | |
645 | log_show_color(true); | |
bbe63281 LP |
646 | |
647 | break; | |
648 | ||
649 | case ARG_LOG_LOCATION: | |
650 | ||
d0b170c8 LP |
651 | if (optarg) { |
652 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
653 | log_error("Failed to parse log location setting %s.", optarg); | |
654 | return r; | |
655 | } | |
656 | } else | |
657 | log_show_location(true); | |
bbe63281 LP |
658 | |
659 | break; | |
660 | ||
2f198e2f | 661 | case ARG_UNIT: |
f170852a LP |
662 | |
663 | if ((r = set_default_unit(optarg)) < 0) { | |
664 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
665 | return r; | |
666 | } | |
667 | ||
668 | break; | |
669 | ||
edb9aaa8 LP |
670 | case ARG_SYSTEM: |
671 | arg_running_as = MANAGER_SYSTEM; | |
672 | break; | |
a5dab5ce | 673 | |
edb9aaa8 LP |
674 | case ARG_SESSION: |
675 | arg_running_as = MANAGER_SESSION; | |
a5dab5ce | 676 | break; |
a5dab5ce | 677 | |
e965d56d | 678 | case ARG_TEST: |
fa0f4d8a | 679 | arg_action = ACTION_TEST; |
e965d56d LP |
680 | break; |
681 | ||
e537352b | 682 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 683 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
684 | break; |
685 | ||
9e58ff9c LP |
686 | case ARG_DUMP_CORE: |
687 | arg_dump_core = true; | |
688 | break; | |
689 | ||
690 | case ARG_CRASH_SHELL: | |
691 | arg_crash_shell = true; | |
692 | break; | |
693 | ||
80876c20 | 694 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 695 | arg_confirm_spawn = true; |
80876c20 LP |
696 | break; |
697 | ||
9e58ff9c | 698 | case ARG_SHOW_STATUS: |
6e98720f LP |
699 | |
700 | if (optarg) { | |
701 | if ((r = parse_boolean(optarg)) < 0) { | |
702 | log_error("Failed to show status boolean %s.", optarg); | |
703 | return r; | |
704 | } | |
705 | arg_show_status = r; | |
706 | } else | |
707 | arg_show_status = true; | |
708 | break; | |
709 | ||
710 | case ARG_SYSV_CONSOLE: | |
711 | ||
712 | if (optarg) { | |
713 | if ((r = parse_boolean(optarg)) < 0) { | |
714 | log_error("Failed to SysV console boolean %s.", optarg); | |
715 | return r; | |
716 | } | |
717 | arg_sysv_console = r; | |
718 | } else | |
719 | arg_sysv_console = true; | |
9e58ff9c LP |
720 | break; |
721 | ||
a16e1123 LP |
722 | case ARG_DESERIALIZE: { |
723 | int fd; | |
724 | FILE *f; | |
725 | ||
726 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
727 | log_error("Failed to parse deserialize option %s.", optarg); | |
728 | return r; | |
729 | } | |
730 | ||
731 | if (!(f = fdopen(fd, "r"))) { | |
732 | log_error("Failed to open serialization fd: %m"); | |
733 | return r; | |
734 | } | |
735 | ||
736 | if (serialization) | |
737 | fclose(serialization); | |
738 | ||
739 | serialization = f; | |
740 | ||
741 | break; | |
742 | } | |
743 | ||
4288f619 LP |
744 | case ARG_INTROSPECT: { |
745 | const char * const * i = NULL; | |
746 | ||
747 | for (i = bus_interface_table; *i; i += 2) | |
748 | if (!optarg || streq(i[0], optarg)) { | |
749 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
750 | "<node>\n", stdout); | |
751 | fputs(i[1], stdout); | |
752 | fputs("</node>\n", stdout); | |
753 | ||
754 | if (optarg) | |
755 | break; | |
756 | } | |
757 | ||
758 | if (!i[0] && optarg) | |
759 | log_error("Unknown interface %s.", optarg); | |
760 | ||
fa0f4d8a | 761 | arg_action = ACTION_DONE; |
4288f619 LP |
762 | break; |
763 | } | |
764 | ||
f170852a | 765 | case 'h': |
fa0f4d8a | 766 | arg_action = ACTION_HELP; |
f170852a LP |
767 | break; |
768 | ||
1d2e23ab LP |
769 | case 'D': |
770 | log_set_max_level(LOG_DEBUG); | |
771 | break; | |
772 | ||
f170852a LP |
773 | case '?': |
774 | return -EINVAL; | |
775 | ||
776 | default: | |
777 | log_error("Unknown option code %c", c); | |
778 | return -EINVAL; | |
779 | } | |
780 | ||
51f0e189 LP |
781 | /* PID 1 will get the kernel arguments as parameters, which we |
782 | * ignore and unconditionally read from | |
783 | * /proc/cmdline. However, we need to ignore those arguments | |
784 | * here. */ | |
fa0f4d8a | 785 | if (arg_running_as != MANAGER_SYSTEM && optind < argc) { |
51f0e189 LP |
786 | log_error("Excess arguments."); |
787 | return -EINVAL; | |
788 | } | |
789 | ||
f170852a LP |
790 | return 0; |
791 | } | |
792 | ||
793 | static int help(void) { | |
794 | ||
2e33c433 | 795 | printf("%s [OPTIONS...]\n\n" |
bbe63281 | 796 | "Starts up and maintains the system or a session.\n\n" |
e537352b | 797 | " -h --help Show this help\n" |
e537352b | 798 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 799 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 800 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 801 | " --unit=UNIT Set default unit\n" |
edb9aaa8 LP |
802 | " --system Run a system instance, even if PID != 1\n" |
803 | " --session Run a session instance\n" | |
9e58ff9c LP |
804 | " --dump-core Dump core on crash\n" |
805 | " --crash-shell Run shell on crash\n" | |
806 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
6e98720f LP |
807 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
808 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" | |
bbe63281 | 809 | " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 810 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 811 | " --log-color[=0|1] Highlight important log messages\n" |
bbe63281 | 812 | " --log-location[=0|1] Include code location in log messages\n", |
5b6319dc | 813 | program_invocation_short_name); |
f170852a LP |
814 | |
815 | return 0; | |
816 | } | |
817 | ||
a16e1123 LP |
818 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
819 | FILE *f = NULL; | |
820 | FDSet *fds = NULL; | |
821 | int r; | |
822 | ||
823 | assert(m); | |
824 | assert(_f); | |
825 | assert(_fds); | |
826 | ||
d8d5ab98 | 827 | if ((r = manager_open_serialization(m, &f)) < 0) { |
a16e1123 LP |
828 | log_error("Failed to create serialization faile: %s", strerror(-r)); |
829 | goto fail; | |
830 | } | |
831 | ||
832 | if (!(fds = fdset_new())) { | |
833 | r = -ENOMEM; | |
834 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
835 | goto fail; | |
836 | } | |
837 | ||
838 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
839 | log_error("Failed to serialize state: %s", strerror(-r)); | |
840 | goto fail; | |
841 | } | |
842 | ||
843 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
844 | log_error("Failed to rewind serialization fd: %m"); | |
845 | goto fail; | |
846 | } | |
847 | ||
848 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
849 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
850 | goto fail; | |
851 | } | |
852 | ||
853 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
854 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
855 | goto fail; | |
856 | } | |
857 | ||
858 | *_f = f; | |
859 | *_fds = fds; | |
860 | ||
861 | return 0; | |
862 | ||
863 | fail: | |
864 | fdset_free(fds); | |
865 | ||
866 | if (f) | |
867 | fclose(f); | |
868 | ||
869 | return r; | |
870 | } | |
871 | ||
60918275 LP |
872 | int main(int argc, char *argv[]) { |
873 | Manager *m = NULL; | |
87f0e418 | 874 | Unit *target = NULL; |
60918275 | 875 | int r, retval = 1; |
a16e1123 LP |
876 | FDSet *fds = NULL; |
877 | bool reexecute = false; | |
27b14a22 | 878 | |
2cb1a60d LP |
879 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
880 | /* This is compatbility support for SysV, where | |
881 | * calling init as a user is identical to telinit. */ | |
882 | ||
883 | errno = -ENOENT; | |
884 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
885 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
886 | return 1; | |
887 | } | |
888 | ||
2cc59dbf | 889 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 890 | log_show_location(false); |
7c706717 | 891 | log_set_max_level(LOG_INFO); |
bbe63281 | 892 | |
843d2643 | 893 | if (getpid() == 1) { |
fa0f4d8a | 894 | arg_running_as = MANAGER_SYSTEM; |
843d2643 | 895 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
0ff4cdd9 LP |
896 | |
897 | if (label_init() < 0) | |
898 | goto finish; | |
bbe63281 | 899 | } else { |
fa0f4d8a | 900 | arg_running_as = MANAGER_SESSION; |
bbe63281 LP |
901 | log_set_target(LOG_TARGET_CONSOLE); |
902 | } | |
a5dab5ce | 903 | |
f170852a LP |
904 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
905 | goto finish; | |
60918275 | 906 | |
f170852a LP |
907 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
908 | * /proc/$PID/fd is available. */ | |
ca326f6f | 909 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) |
8efe3c01 LP |
910 | if (mount_setup() < 0) |
911 | goto finish; | |
4ade7963 LP |
912 | |
913 | /* Reset all signal handlers. */ | |
914 | assert_se(reset_all_signal_handlers() == 0); | |
915 | ||
078e4539 | 916 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 917 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 918 | |
487393e9 LP |
919 | if (parse_config_file() < 0) |
920 | goto finish; | |
921 | ||
fa0f4d8a | 922 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
923 | if (parse_proc_cmdline() < 0) |
924 | goto finish; | |
f170852a LP |
925 | |
926 | log_parse_environment(); | |
927 | ||
928 | if (parse_argv(argc, argv) < 0) | |
929 | goto finish; | |
930 | ||
fa0f4d8a | 931 | if (arg_action == ACTION_HELP) { |
f170852a LP |
932 | retval = help(); |
933 | goto finish; | |
fa0f4d8a | 934 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b LP |
935 | unit_dump_config_items(stdout); |
936 | retval = 0; | |
937 | goto finish; | |
fa0f4d8a | 938 | } else if (arg_action == ACTION_DONE) { |
4288f619 LP |
939 | retval = 0; |
940 | goto finish; | |
f170852a LP |
941 | } |
942 | ||
fa0f4d8a | 943 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 944 | |
a16e1123 LP |
945 | /* Remember open file descriptors for later deserialization */ |
946 | if (serialization) { | |
947 | if ((r = fdset_new_fill(&fds)) < 0) { | |
948 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
949 | goto finish; | |
950 | } | |
951 | ||
952 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
953 | } else | |
954 | close_all_fds(NULL, 0); | |
955 | ||
09082a94 | 956 | /* Set up PATH unless it is already set */ |
e537352b LP |
957 | setenv("PATH", |
958 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", | |
fa0f4d8a | 959 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 960 | |
f170852a LP |
961 | /* Move out of the way, so that we won't block unmounts */ |
962 | assert_se(chdir("/") == 0); | |
963 | ||
fa0f4d8a | 964 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
965 | /* Become a session leader if we aren't one yet. */ |
966 | setsid(); | |
4ade7963 | 967 | |
80876c20 LP |
968 | /* Disable the umask logic */ |
969 | umask(0); | |
970 | } | |
971 | ||
843d2643 LP |
972 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
973 | dbus_connection_set_change_sigpipe(FALSE); | |
974 | ||
2146621b LP |
975 | /* Reset the console, but only if this is really init and we |
976 | * are freshly booted */ | |
fa0f4d8a | 977 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
2146621b | 978 | console_setup(getpid() == 1 && !serialization); |
843d2643 LP |
979 | make_null_stdio(); |
980 | } | |
4ade7963 | 981 | |
18149b9f | 982 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 983 | log_open(); |
4ade7963 | 984 | |
5373d602 LP |
985 | /* Make sure we leave a core dump without panicing the |
986 | * kernel. */ | |
4fc935ca LP |
987 | if (getpid() == 1) |
988 | install_crash_handler(); | |
97c4f35c | 989 | |
54165a39 | 990 | log_info(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 991 | |
ad780f19 LP |
992 | if (arg_running_as == MANAGER_SYSTEM) { |
993 | ||
994 | /* Disable nscd, to avoid deadlocks when systemd uses | |
995 | * NSS and the nscd socket is maintained by us. */ | |
e054f833 LP |
996 | /* if (nss_disable_nscd) { */ |
997 | /* log_debug("Disabling nscd"); */ | |
998 | /* nss_disable_nscd(); */ | |
999 | /* } else */ | |
1000 | /* log_debug("Hmm, can't disable nscd."); */ | |
ad780f19 LP |
1001 | |
1002 | if (!serialization) { | |
1003 | if (arg_show_status) | |
1004 | status_welcome(); | |
1005 | modprobe_setup(arg_nomodules); | |
1006 | kmod_setup(); | |
1007 | hostname_setup(); | |
1008 | loopback_setup(); | |
1009 | } | |
af5bc85d | 1010 | } |
302e8c4c | 1011 | |
9e58ff9c | 1012 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1013 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1014 | goto finish; |
1015 | } | |
1016 | ||
9e58ff9c LP |
1017 | m->confirm_spawn = arg_confirm_spawn; |
1018 | m->show_status = arg_show_status; | |
6e98720f | 1019 | m->sysv_console = arg_sysv_console; |
9e58ff9c | 1020 | |
a16e1123 | 1021 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 1022 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
1023 | |
1024 | if (fds) { | |
1025 | /* This will close all file descriptors that were opened, but | |
1026 | * not claimed by any unit. */ | |
1027 | ||
1028 | fdset_free(fds); | |
1029 | fds = NULL; | |
f50e0a01 LP |
1030 | } |
1031 | ||
a16e1123 LP |
1032 | if (serialization) { |
1033 | fclose(serialization); | |
1034 | serialization = NULL; | |
1035 | } else { | |
398ef8ba LP |
1036 | DBusError error; |
1037 | ||
1038 | dbus_error_init(&error); | |
1039 | ||
fa0f4d8a | 1040 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1041 | |
398ef8ba LP |
1042 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1043 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1044 | dbus_error_free(&error); | |
27b14a22 | 1045 | |
a16e1123 | 1046 | log_info("Trying to load rescue target..."); |
398ef8ba LP |
1047 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1048 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1049 | dbus_error_free(&error); | |
a16e1123 LP |
1050 | goto finish; |
1051 | } | |
1052 | } | |
37d88da7 | 1053 | |
fa0f4d8a | 1054 | if (arg_action == ACTION_TEST) { |
40d50879 | 1055 | printf("-> By units:\n"); |
a16e1123 LP |
1056 | manager_dump_units(m, stdout, "\t"); |
1057 | } | |
1058 | ||
0ff4cdd9 | 1059 | if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) { |
398ef8ba LP |
1060 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1061 | dbus_error_free(&error); | |
37d88da7 LP |
1062 | goto finish; |
1063 | } | |
60918275 | 1064 | |
0ff4cdd9 LP |
1065 | if (arg_console && arg_running_as == MANAGER_SYSTEM) { |
1066 | char *name; | |
1067 | ||
1068 | if (asprintf(&name, "getty@%s.service", arg_console) < 0) | |
1069 | log_error("Out of memory while generating console getty service name."); | |
1070 | else { | |
1071 | if ((r = manager_add_job_by_name(m, JOB_START, name, JOB_FAIL, false, &error, NULL)) < 0) { | |
1072 | log_error("Failed to start console getty target: %s", bus_error(&error, r)); | |
1073 | dbus_error_free(&error); | |
1074 | } | |
1075 | ||
1076 | free(name); | |
1077 | } | |
1078 | } | |
1079 | ||
fa0f4d8a | 1080 | if (arg_action == ACTION_TEST) { |
40d50879 | 1081 | printf("-> By jobs:\n"); |
a16e1123 LP |
1082 | manager_dump_jobs(m, stdout, "\t"); |
1083 | retval = 0; | |
1084 | goto finish; | |
1085 | } | |
e965d56d | 1086 | } |
d46de8a1 | 1087 | |
a16e1123 LP |
1088 | for (;;) { |
1089 | if ((r = manager_loop(m)) < 0) { | |
1090 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1091 | goto finish; | |
1092 | } | |
11dd41ce | 1093 | |
a16e1123 | 1094 | switch (m->exit_code) { |
e965d56d | 1095 | |
a16e1123 LP |
1096 | case MANAGER_EXIT: |
1097 | retval = 0; | |
1098 | log_debug("Exit."); | |
1099 | goto finish; | |
e965d56d | 1100 | |
a16e1123 | 1101 | case MANAGER_RELOAD: |
e015090f | 1102 | log_info("Reloading."); |
a16e1123 LP |
1103 | if ((r = manager_reload(m)) < 0) |
1104 | log_error("Failed to reload: %s", strerror(-r)); | |
1105 | break; | |
cea8e32e | 1106 | |
a16e1123 | 1107 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1108 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1109 | goto finish; | |
60918275 | 1110 | |
a16e1123 | 1111 | reexecute = true; |
e015090f | 1112 | log_notice("Reexecuting."); |
a16e1123 LP |
1113 | goto finish; |
1114 | ||
1115 | default: | |
1116 | assert_not_reached("Unknown exit code."); | |
1117 | } | |
1118 | } | |
f170852a | 1119 | |
60918275 LP |
1120 | finish: |
1121 | if (m) | |
1122 | manager_free(m); | |
1123 | ||
fa0f4d8a | 1124 | free(arg_default_unit); |
0ff4cdd9 | 1125 | free(arg_console); |
b9cd2ec1 | 1126 | |
ea430986 LP |
1127 | dbus_shutdown(); |
1128 | ||
a16e1123 | 1129 | if (reexecute) { |
6e98720f | 1130 | const char *args[15]; |
a16e1123 LP |
1131 | unsigned i = 0; |
1132 | char sfd[16]; | |
1133 | ||
1134 | assert(serialization); | |
1135 | assert(fds); | |
1136 | ||
1137 | args[i++] = SYSTEMD_BINARY_PATH; | |
1138 | ||
1139 | args[i++] = "--log-level"; | |
1140 | args[i++] = log_level_to_string(log_get_max_level()); | |
1141 | ||
1142 | args[i++] = "--log-target"; | |
1143 | args[i++] = log_target_to_string(log_get_target()); | |
1144 | ||
edb9aaa8 LP |
1145 | if (arg_running_as == MANAGER_SYSTEM) |
1146 | args[i++] = "--system"; | |
1147 | else | |
1148 | args[i++] = "--session"; | |
1149 | ||
1150 | if (arg_dump_core) | |
1151 | args[i++] = "--dump-core"; | |
1152 | ||
1153 | if (arg_crash_shell) | |
1154 | args[i++] = "--crash-shell"; | |
1155 | ||
1156 | if (arg_confirm_spawn) | |
1157 | args[i++] = "--confirm-spawn"; | |
1158 | ||
1159 | if (arg_show_status) | |
6e98720f LP |
1160 | args[i++] = "--show-status=1"; |
1161 | else | |
1162 | args[i++] = "--show-status=0"; | |
1163 | ||
1164 | if (arg_sysv_console) | |
1165 | args[i++] = "--sysv-console=1"; | |
1166 | else | |
1167 | args[i++] = "--sysv-console=0"; | |
a16e1123 LP |
1168 | |
1169 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1170 | char_array_0(sfd); | |
1171 | ||
1172 | args[i++] = "--deserialize"; | |
1173 | args[i++] = sfd; | |
1174 | ||
a16e1123 LP |
1175 | args[i++] = NULL; |
1176 | ||
1177 | assert(i <= ELEMENTSOF(args)); | |
1178 | ||
1179 | execv(args[0], (char* const*) args); | |
1180 | ||
1181 | log_error("Failed to reexecute: %m"); | |
1182 | } | |
1183 | ||
1184 | if (serialization) | |
1185 | fclose(serialization); | |
1186 | ||
1187 | if (fds) | |
1188 | fdset_free(fds); | |
1189 | ||
c3b3c274 LP |
1190 | if (getpid() == 1) |
1191 | freeze(); | |
1192 | ||
56cf987f DW |
1193 | label_finish(); |
1194 | ||
60918275 LP |
1195 | return retval; |
1196 | } |