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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> |
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" |
302e8c4c | 41 | #include "load-fragment.h" |
a16e1123 | 42 | #include "fdset.h" |
514f4ef5 | 43 | #include "special.h" |
487393e9 | 44 | #include "conf-parser.h" |
398ef8ba | 45 | #include "bus-errors.h" |
ad780f19 | 46 | #include "missing.h" |
e51bc1a2 | 47 | #include "label.h" |
302e27c8 | 48 | #include "build.h" |
60918275 | 49 | |
f170852a LP |
50 | static enum { |
51 | ACTION_RUN, | |
e965d56d | 52 | ACTION_HELP, |
e537352b | 53 | ACTION_TEST, |
4288f619 LP |
54 | ACTION_DUMP_CONFIGURATION_ITEMS, |
55 | ACTION_DONE | |
fa0f4d8a | 56 | } arg_action = ACTION_RUN; |
f170852a | 57 | |
fa0f4d8a LP |
58 | static char *arg_default_unit = NULL; |
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; | |
9e58ff9c | 65 | static bool arg_show_status = true; |
6e98720f | 66 | static bool arg_sysv_console = true; |
d3689161 | 67 | static bool arg_mount_auto = true; |
173a8d04 | 68 | static bool arg_swap_auto = true; |
b2bb3dbe | 69 | static char *arg_console = NULL; |
4fc935ca | 70 | |
a16e1123 | 71 | static FILE* serialization = NULL; |
80876c20 | 72 | |
93a46b0b | 73 | _noreturn_ static void freeze(void) { |
97c4f35c LP |
74 | for (;;) |
75 | pause(); | |
76 | } | |
77 | ||
6f5e3f35 LP |
78 | static void nop_handler(int sig) { |
79 | } | |
80 | ||
93a46b0b | 81 | _noreturn_ static void crash(int sig) { |
97c4f35c | 82 | |
fa0f4d8a | 83 | if (!arg_dump_core) |
582a507f | 84 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 85 | else { |
6f5e3f35 | 86 | struct sigaction sa; |
97c4f35c LP |
87 | pid_t pid; |
88 | ||
6f5e3f35 LP |
89 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
90 | zero(sa); | |
91 | sa.sa_handler = nop_handler; | |
92 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
93 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
94 | ||
97c4f35c | 95 | if ((pid = fork()) < 0) |
582a507f | 96 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
97 | |
98 | else if (pid == 0) { | |
97c4f35c LP |
99 | struct rlimit rl; |
100 | ||
101 | /* Enable default signal handler for core dump */ | |
102 | zero(sa); | |
103 | sa.sa_handler = SIG_DFL; | |
104 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
105 | ||
106 | /* Don't limit the core dump size */ | |
107 | zero(rl); | |
108 | rl.rlim_cur = RLIM_INFINITY; | |
109 | rl.rlim_max = RLIM_INFINITY; | |
110 | setrlimit(RLIMIT_CORE, &rl); | |
111 | ||
112 | /* Just to be sure... */ | |
113 | assert_se(chdir("/") == 0); | |
114 | ||
115 | /* Raise the signal again */ | |
116 | raise(sig); | |
117 | ||
118 | assert_not_reached("We shouldn't be here..."); | |
119 | _exit(1); | |
4fc935ca LP |
120 | |
121 | } else { | |
e364ad06 | 122 | int status; |
4fc935ca LP |
123 | |
124 | /* Order things nicely. */ | |
e364ad06 | 125 | if (waitpid(pid, &status, 0) < 0) |
582a507f | 126 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno)); |
4fc935ca | 127 | else if (!WCOREDUMP(status)) |
582a507f | 128 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 129 | else |
582a507f | 130 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
131 | } |
132 | } | |
133 | ||
fa0f4d8a LP |
134 | if (arg_crash_chvt) |
135 | chvt(arg_crash_chvt); | |
601f6a1e | 136 | |
fa0f4d8a | 137 | if (arg_crash_shell) { |
6f5e3f35 LP |
138 | struct sigaction sa; |
139 | pid_t pid; | |
8c43883a | 140 | |
4fc935ca LP |
141 | log_info("Executing crash shell in 10s..."); |
142 | sleep(10); | |
143 | ||
6f5e3f35 LP |
144 | /* Let the kernel reap children for us */ |
145 | zero(sa); | |
146 | sa.sa_handler = SIG_IGN; | |
147 | sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; | |
148 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
8c43883a | 149 | |
6f5e3f35 LP |
150 | if ((pid = fork()) < 0) |
151 | log_error("Failed to fork off crash shell: %s", strerror(errno)); | |
152 | else if (pid == 0) { | |
843d2643 | 153 | int fd, r; |
ea5652c2 | 154 | |
21de3988 | 155 | if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0) |
ea5652c2 | 156 | log_error("Failed to acquire terminal: %s", strerror(-fd)); |
5b2a0903 | 157 | else if ((r = make_stdio(fd)) < 0) |
843d2643 | 158 | log_error("Failed to duplicate terminal fd: %s", strerror(-r)); |
ea5652c2 | 159 | |
6f5e3f35 LP |
160 | execl("/bin/sh", "/bin/sh", NULL); |
161 | ||
162 | log_error("execl() failed: %s", strerror(errno)); | |
163 | _exit(1); | |
164 | } | |
c99b188e | 165 | |
bb00e604 | 166 | log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
167 | } |
168 | ||
169 | log_info("Freezing execution."); | |
97c4f35c LP |
170 | freeze(); |
171 | } | |
172 | ||
173 | static void install_crash_handler(void) { | |
174 | struct sigaction sa; | |
175 | ||
176 | zero(sa); | |
177 | ||
178 | sa.sa_handler = crash; | |
179 | sa.sa_flags = SA_NODEFER; | |
180 | ||
1b91d3e8 | 181 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 182 | } |
f170852a | 183 | |
843d2643 LP |
184 | static int make_null_stdio(void) { |
185 | int null_fd, r; | |
80876c20 | 186 | |
c8513d54 | 187 | if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) { |
80876c20 | 188 | log_error("Failed to open /dev/null: %m"); |
843d2643 | 189 | return -errno; |
80876c20 LP |
190 | } |
191 | ||
843d2643 LP |
192 | if ((r = make_stdio(null_fd)) < 0) |
193 | log_warning("Failed to dup2() device: %s", strerror(-r)); | |
80876c20 | 194 | |
843d2643 LP |
195 | return r; |
196 | } | |
80876c20 | 197 | |
843d2643 LP |
198 | static int console_setup(bool do_reset) { |
199 | int tty_fd, r; | |
80876c20 | 200 | |
843d2643 LP |
201 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
202 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 203 | |
843d2643 LP |
204 | release_terminal(); |
205 | ||
206 | if (!do_reset) | |
207 | return 0; | |
80876c20 | 208 | |
843d2643 LP |
209 | if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) { |
210 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); | |
211 | return -tty_fd; | |
212 | } | |
80876c20 | 213 | |
843d2643 LP |
214 | if ((r = reset_terminal(tty_fd)) < 0) |
215 | log_error("Failed to reset /dev/console: %s", strerror(-r)); | |
216 | ||
217 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
218 | return r; |
219 | } | |
220 | ||
f170852a LP |
221 | static int set_default_unit(const char *u) { |
222 | char *c; | |
223 | ||
224 | assert(u); | |
225 | ||
226 | if (!(c = strdup(u))) | |
227 | return -ENOMEM; | |
228 | ||
fa0f4d8a LP |
229 | free(arg_default_unit); |
230 | arg_default_unit = c; | |
f170852a LP |
231 | return 0; |
232 | } | |
233 | ||
234 | static int parse_proc_cmdline_word(const char *word) { | |
235 | ||
236 | static const char * const rlmap[] = { | |
ed370f5d LP |
237 | "emergency", SPECIAL_EMERGENCY_TARGET, |
238 | "single", SPECIAL_RESCUE_TARGET, | |
239 | "-s", SPECIAL_RESCUE_TARGET, | |
240 | "s", SPECIAL_RESCUE_TARGET, | |
241 | "S", SPECIAL_RESCUE_TARGET, | |
242 | "1", SPECIAL_RESCUE_TARGET, | |
243 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
244 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
245 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
246 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
247 | }; |
248 | ||
5192bd19 LP |
249 | assert(word); |
250 | ||
2f198e2f LP |
251 | if (startswith(word, "systemd.unit=")) |
252 | return set_default_unit(word + 13); | |
f170852a LP |
253 | |
254 | else if (startswith(word, "systemd.log_target=")) { | |
255 | ||
256 | if (log_set_target_from_string(word + 19) < 0) | |
257 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
258 | ||
259 | } else if (startswith(word, "systemd.log_level=")) { | |
260 | ||
261 | if (log_set_max_level_from_string(word + 18) < 0) | |
262 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
263 | ||
bbe63281 LP |
264 | } else if (startswith(word, "systemd.log_color=")) { |
265 | ||
266 | if (log_show_color_from_string(word + 18) < 0) | |
267 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
268 | ||
269 | } else if (startswith(word, "systemd.log_location=")) { | |
270 | ||
271 | if (log_show_location_from_string(word + 21) < 0) | |
272 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
273 | ||
4fc935ca LP |
274 | } else if (startswith(word, "systemd.dump_core=")) { |
275 | int r; | |
276 | ||
277 | if ((r = parse_boolean(word + 18)) < 0) | |
601f6a1e | 278 | log_warning("Failed to parse dump core switch %s, Ignoring.", word + 18); |
4fc935ca | 279 | else |
fa0f4d8a | 280 | arg_dump_core = r; |
4fc935ca LP |
281 | |
282 | } else if (startswith(word, "systemd.crash_shell=")) { | |
283 | int r; | |
284 | ||
285 | if ((r = parse_boolean(word + 20)) < 0) | |
601f6a1e | 286 | log_warning("Failed to parse crash shell switch %s, Ignoring.", word + 20); |
4fc935ca | 287 | else |
fa0f4d8a | 288 | arg_crash_shell = r; |
5e7ee61c LP |
289 | |
290 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
291 | int r; | |
292 | ||
293 | if ((r = parse_boolean(word + 22)) < 0) | |
294 | log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22); | |
295 | else | |
fa0f4d8a | 296 | arg_confirm_spawn = r; |
5e7ee61c | 297 | |
601f6a1e LP |
298 | } else if (startswith(word, "systemd.crash_chvt=")) { |
299 | int k; | |
300 | ||
301 | if (safe_atoi(word + 19, &k) < 0) | |
302 | log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19); | |
303 | else | |
fa0f4d8a | 304 | arg_crash_chvt = k; |
601f6a1e | 305 | |
9e58ff9c LP |
306 | } else if (startswith(word, "systemd.show_status=")) { |
307 | int r; | |
308 | ||
309 | if ((r = parse_boolean(word + 20)) < 0) | |
310 | log_warning("Failed to parse show status switch %s, Ignoring.", word + 20); | |
6e98720f | 311 | else |
9e58ff9c | 312 | arg_show_status = r; |
6e98720f LP |
313 | |
314 | } else if (startswith(word, "systemd.sysv_console=")) { | |
315 | int r; | |
316 | ||
317 | if ((r = parse_boolean(word + 21)) < 0) | |
318 | log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20); | |
319 | else | |
320 | arg_sysv_console = r; | |
9e58ff9c | 321 | |
4fc935ca LP |
322 | } else if (startswith(word, "systemd.")) { |
323 | ||
324 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
325 | ||
bbe63281 LP |
326 | log_info("Supported kernel switches:\n" |
327 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 328 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 329 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 330 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 331 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f LP |
332 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
333 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" | |
334 | "systemd.log_target=console|kmsg|syslog|syslog-org-kmsg|null\n" | |
335 | " Log target\n" | |
336 | "systemd.log_level=LEVEL Log level\n" | |
337 | "systemd.log_color=0|1 Highlight important log messages\n" | |
338 | "systemd.log_location=0|1 Include code location in log messages\n"); | |
4fc935ca | 339 | |
b2bb3dbe LP |
340 | } else if (startswith(word, "console=")) { |
341 | const char *k; | |
342 | size_t l; | |
343 | char *w = NULL; | |
344 | ||
345 | k = word + 8; | |
346 | l = strcspn(k, ","); | |
347 | ||
348 | /* Ignore the console setting if set to a VT */ | |
349 | if (l < 4 || | |
350 | !startswith(k, "tty") || | |
351 | k[3+strspn(k+3, "0123456789")] != 0) { | |
352 | ||
353 | if (!(w = strndup(k, l))) | |
354 | return -ENOMEM; | |
355 | } | |
356 | ||
357 | free(arg_console); | |
358 | arg_console = w; | |
359 | ||
a9c501a5 | 360 | } else if (streq(word, "quiet")) { |
6e98720f LP |
361 | arg_show_status = false; |
362 | arg_sysv_console = false; | |
9e58ff9c | 363 | } else { |
f170852a LP |
364 | unsigned i; |
365 | ||
366 | /* SysV compatibility */ | |
f170852a LP |
367 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
368 | if (streq(word, rlmap[i])) | |
369 | return set_default_unit(rlmap[i+1]); | |
370 | } | |
371 | ||
372 | return 0; | |
373 | } | |
374 | ||
487393e9 LP |
375 | static int config_parse_level( |
376 | const char *filename, | |
377 | unsigned line, | |
378 | const char *section, | |
379 | const char *lvalue, | |
380 | const char *rvalue, | |
381 | void *data, | |
382 | void *userdata) { | |
383 | ||
384 | assert(filename); | |
385 | assert(lvalue); | |
386 | assert(rvalue); | |
387 | ||
388 | log_set_max_level_from_string(rvalue); | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int config_parse_target( | |
393 | const char *filename, | |
394 | unsigned line, | |
395 | const char *section, | |
396 | const char *lvalue, | |
397 | const char *rvalue, | |
398 | void *data, | |
399 | void *userdata) { | |
400 | ||
401 | assert(filename); | |
402 | assert(lvalue); | |
403 | assert(rvalue); | |
404 | ||
405 | log_set_target_from_string(rvalue); | |
406 | return 0; | |
407 | } | |
408 | ||
409 | static int config_parse_color( | |
410 | const char *filename, | |
411 | unsigned line, | |
412 | const char *section, | |
413 | const char *lvalue, | |
414 | const char *rvalue, | |
415 | void *data, | |
416 | void *userdata) { | |
417 | ||
418 | assert(filename); | |
419 | assert(lvalue); | |
420 | assert(rvalue); | |
421 | ||
422 | log_show_color_from_string(rvalue); | |
423 | return 0; | |
424 | } | |
425 | ||
426 | static int config_parse_location( | |
427 | const char *filename, | |
428 | unsigned line, | |
429 | const char *section, | |
430 | const char *lvalue, | |
431 | const char *rvalue, | |
432 | void *data, | |
433 | void *userdata) { | |
434 | ||
435 | assert(filename); | |
436 | assert(lvalue); | |
437 | assert(rvalue); | |
438 | ||
439 | log_show_location_from_string(rvalue); | |
440 | return 0; | |
441 | } | |
442 | ||
443 | static int config_parse_cpu_affinity( | |
444 | const char *filename, | |
445 | unsigned line, | |
446 | const char *section, | |
447 | const char *lvalue, | |
448 | const char *rvalue, | |
449 | void *data, | |
450 | void *userdata) { | |
451 | ||
452 | char *w; | |
453 | size_t l; | |
454 | char *state; | |
455 | cpu_set_t *c = NULL; | |
456 | unsigned ncpus = 0; | |
457 | ||
458 | assert(filename); | |
459 | assert(lvalue); | |
460 | assert(rvalue); | |
461 | ||
f60f22df | 462 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
463 | char *t; |
464 | int r; | |
465 | unsigned cpu; | |
466 | ||
467 | if (!(t = strndup(w, l))) | |
468 | return -ENOMEM; | |
469 | ||
470 | r = safe_atou(t, &cpu); | |
471 | free(t); | |
472 | ||
473 | if (!c) | |
474 | if (!(c = cpu_set_malloc(&ncpus))) | |
475 | return -ENOMEM; | |
476 | ||
477 | if (r < 0 || cpu >= ncpus) { | |
478 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
479 | CPU_FREE(c); | |
480 | return -EBADMSG; | |
481 | } | |
482 | ||
483 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
484 | } | |
485 | ||
486 | if (c) { | |
487 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
488 | log_warning("Failed to set CPU affinity: %m"); | |
489 | ||
490 | CPU_FREE(c); | |
491 | } | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | static int parse_config_file(void) { | |
497 | ||
498 | const ConfigItem items[] = { | |
d3689161 LP |
499 | { "LogLevel", config_parse_level, NULL, "Manager" }, |
500 | { "LogTarget", config_parse_target, NULL, "Manager" }, | |
501 | { "LogColor", config_parse_color, NULL, "Manager" }, | |
502 | { "LogLocation", config_parse_location, NULL, "Manager" }, | |
503 | { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" }, | |
504 | { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" }, | |
505 | { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" }, | |
506 | { "SysVConsole", config_parse_bool, &arg_sysv_console, "Manager" }, | |
507 | { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" }, | |
508 | { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" }, | |
d3689161 | 509 | { "MountAuto", config_parse_bool, &arg_mount_auto, "Manager" }, |
173a8d04 | 510 | { "SwapAuto", config_parse_bool, &arg_swap_auto, "Manager" }, |
487393e9 LP |
511 | { NULL, NULL, NULL, NULL } |
512 | }; | |
513 | ||
514 | static const char * const sections[] = { | |
515 | "Manager", | |
516 | NULL | |
517 | }; | |
518 | ||
519 | FILE *f; | |
520 | const char *fn; | |
521 | int r; | |
522 | ||
523 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE; | |
524 | ||
525 | if (!(f = fopen(fn, "re"))) { | |
526 | if (errno == ENOENT) | |
527 | return 0; | |
528 | ||
529 | log_warning("Failed to open configuration file '%s': %m", fn); | |
530 | return 0; | |
531 | } | |
532 | ||
533 | if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0) | |
534 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
535 | ||
536 | fclose(f); | |
537 | ||
538 | return 0; | |
539 | } | |
540 | ||
f170852a LP |
541 | static int parse_proc_cmdline(void) { |
542 | char *line; | |
543 | int r; | |
544 | char *w; | |
545 | size_t l; | |
546 | char *state; | |
547 | ||
548 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { | |
e364ad06 | 549 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
550 | return 0; |
551 | } | |
552 | ||
553 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
554 | char *word; | |
555 | ||
556 | if (!(word = strndup(w, l))) { | |
557 | r = -ENOMEM; | |
558 | goto finish; | |
559 | } | |
560 | ||
561 | r = parse_proc_cmdline_word(word); | |
562 | free(word); | |
563 | ||
564 | if (r < 0) | |
565 | goto finish; | |
566 | } | |
567 | ||
568 | r = 0; | |
569 | ||
570 | finish: | |
571 | free(line); | |
572 | return r; | |
573 | } | |
574 | ||
575 | static int parse_argv(int argc, char *argv[]) { | |
576 | ||
577 | enum { | |
578 | ARG_LOG_LEVEL = 0x100, | |
579 | ARG_LOG_TARGET, | |
bbe63281 LP |
580 | ARG_LOG_COLOR, |
581 | ARG_LOG_LOCATION, | |
2f198e2f | 582 | ARG_UNIT, |
edb9aaa8 LP |
583 | ARG_SYSTEM, |
584 | ARG_SESSION, | |
e537352b | 585 | ARG_TEST, |
80876c20 | 586 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
587 | ARG_DUMP_CORE, |
588 | ARG_CRASH_SHELL, | |
a16e1123 | 589 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 590 | ARG_SHOW_STATUS, |
6e98720f | 591 | ARG_SYSV_CONSOLE, |
4288f619 LP |
592 | ARG_DESERIALIZE, |
593 | ARG_INTROSPECT | |
f170852a LP |
594 | }; |
595 | ||
596 | static const struct option options[] = { | |
a16e1123 LP |
597 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
598 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
599 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
600 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 601 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 LP |
602 | { "system", no_argument, NULL, ARG_SYSTEM }, |
603 | { "session", no_argument, NULL, ARG_SESSION }, | |
a16e1123 LP |
604 | { "test", no_argument, NULL, ARG_TEST }, |
605 | { "help", no_argument, NULL, 'h' }, | |
606 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
607 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
608 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 609 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f LP |
610 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
611 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, | |
a16e1123 | 612 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 613 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
a16e1123 | 614 | { NULL, 0, NULL, 0 } |
f170852a LP |
615 | }; |
616 | ||
617 | int c, r; | |
618 | ||
619 | assert(argc >= 1); | |
620 | assert(argv); | |
621 | ||
1d2e23ab | 622 | while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0) |
f170852a LP |
623 | |
624 | switch (c) { | |
625 | ||
626 | case ARG_LOG_LEVEL: | |
627 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
628 | log_error("Failed to parse log level %s.", optarg); | |
629 | return r; | |
630 | } | |
631 | ||
632 | break; | |
633 | ||
634 | case ARG_LOG_TARGET: | |
635 | ||
636 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
637 | log_error("Failed to parse log target %s.", optarg); | |
638 | return r; | |
639 | } | |
640 | ||
641 | break; | |
642 | ||
bbe63281 LP |
643 | case ARG_LOG_COLOR: |
644 | ||
d0b170c8 LP |
645 | if (optarg) { |
646 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
647 | log_error("Failed to parse log color setting %s.", optarg); | |
648 | return r; | |
649 | } | |
650 | } else | |
651 | log_show_color(true); | |
bbe63281 LP |
652 | |
653 | break; | |
654 | ||
655 | case ARG_LOG_LOCATION: | |
656 | ||
d0b170c8 LP |
657 | if (optarg) { |
658 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
659 | log_error("Failed to parse log location setting %s.", optarg); | |
660 | return r; | |
661 | } | |
662 | } else | |
663 | log_show_location(true); | |
bbe63281 LP |
664 | |
665 | break; | |
666 | ||
2f198e2f | 667 | case ARG_UNIT: |
f170852a LP |
668 | |
669 | if ((r = set_default_unit(optarg)) < 0) { | |
670 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
671 | return r; | |
672 | } | |
673 | ||
674 | break; | |
675 | ||
edb9aaa8 LP |
676 | case ARG_SYSTEM: |
677 | arg_running_as = MANAGER_SYSTEM; | |
678 | break; | |
a5dab5ce | 679 | |
edb9aaa8 LP |
680 | case ARG_SESSION: |
681 | arg_running_as = MANAGER_SESSION; | |
a5dab5ce | 682 | break; |
a5dab5ce | 683 | |
e965d56d | 684 | case ARG_TEST: |
fa0f4d8a | 685 | arg_action = ACTION_TEST; |
e965d56d LP |
686 | break; |
687 | ||
e537352b | 688 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 689 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
690 | break; |
691 | ||
9e58ff9c LP |
692 | case ARG_DUMP_CORE: |
693 | arg_dump_core = true; | |
694 | break; | |
695 | ||
696 | case ARG_CRASH_SHELL: | |
697 | arg_crash_shell = true; | |
698 | break; | |
699 | ||
80876c20 | 700 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 701 | arg_confirm_spawn = true; |
80876c20 LP |
702 | break; |
703 | ||
9e58ff9c | 704 | case ARG_SHOW_STATUS: |
6e98720f LP |
705 | |
706 | if (optarg) { | |
707 | if ((r = parse_boolean(optarg)) < 0) { | |
708 | log_error("Failed to show status boolean %s.", optarg); | |
709 | return r; | |
710 | } | |
711 | arg_show_status = r; | |
712 | } else | |
713 | arg_show_status = true; | |
714 | break; | |
715 | ||
716 | case ARG_SYSV_CONSOLE: | |
717 | ||
718 | if (optarg) { | |
719 | if ((r = parse_boolean(optarg)) < 0) { | |
720 | log_error("Failed to SysV console boolean %s.", optarg); | |
721 | return r; | |
722 | } | |
723 | arg_sysv_console = r; | |
724 | } else | |
725 | arg_sysv_console = true; | |
9e58ff9c LP |
726 | break; |
727 | ||
a16e1123 LP |
728 | case ARG_DESERIALIZE: { |
729 | int fd; | |
730 | FILE *f; | |
731 | ||
732 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
733 | log_error("Failed to parse deserialize option %s.", optarg); | |
734 | return r; | |
735 | } | |
736 | ||
737 | if (!(f = fdopen(fd, "r"))) { | |
738 | log_error("Failed to open serialization fd: %m"); | |
739 | return r; | |
740 | } | |
741 | ||
742 | if (serialization) | |
743 | fclose(serialization); | |
744 | ||
745 | serialization = f; | |
746 | ||
747 | break; | |
748 | } | |
749 | ||
4288f619 LP |
750 | case ARG_INTROSPECT: { |
751 | const char * const * i = NULL; | |
752 | ||
753 | for (i = bus_interface_table; *i; i += 2) | |
754 | if (!optarg || streq(i[0], optarg)) { | |
755 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
756 | "<node>\n", stdout); | |
757 | fputs(i[1], stdout); | |
758 | fputs("</node>\n", stdout); | |
759 | ||
760 | if (optarg) | |
761 | break; | |
762 | } | |
763 | ||
764 | if (!i[0] && optarg) | |
765 | log_error("Unknown interface %s.", optarg); | |
766 | ||
fa0f4d8a | 767 | arg_action = ACTION_DONE; |
4288f619 LP |
768 | break; |
769 | } | |
770 | ||
f170852a | 771 | case 'h': |
fa0f4d8a | 772 | arg_action = ACTION_HELP; |
f170852a LP |
773 | break; |
774 | ||
1d2e23ab LP |
775 | case 'D': |
776 | log_set_max_level(LOG_DEBUG); | |
777 | break; | |
778 | ||
f170852a LP |
779 | case '?': |
780 | return -EINVAL; | |
781 | ||
782 | default: | |
783 | log_error("Unknown option code %c", c); | |
784 | return -EINVAL; | |
785 | } | |
786 | ||
51f0e189 LP |
787 | /* PID 1 will get the kernel arguments as parameters, which we |
788 | * ignore and unconditionally read from | |
789 | * /proc/cmdline. However, we need to ignore those arguments | |
790 | * here. */ | |
fa0f4d8a | 791 | if (arg_running_as != MANAGER_SYSTEM && optind < argc) { |
51f0e189 LP |
792 | log_error("Excess arguments."); |
793 | return -EINVAL; | |
794 | } | |
795 | ||
f170852a LP |
796 | return 0; |
797 | } | |
798 | ||
799 | static int help(void) { | |
800 | ||
2e33c433 | 801 | printf("%s [OPTIONS...]\n\n" |
bbe63281 | 802 | "Starts up and maintains the system or a session.\n\n" |
e537352b | 803 | " -h --help Show this help\n" |
e537352b | 804 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 805 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 806 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 807 | " --unit=UNIT Set default unit\n" |
edb9aaa8 LP |
808 | " --system Run a system instance, even if PID != 1\n" |
809 | " --session Run a session instance\n" | |
9e58ff9c LP |
810 | " --dump-core Dump core on crash\n" |
811 | " --crash-shell Run shell on crash\n" | |
812 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
6e98720f LP |
813 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
814 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" | |
bbe63281 | 815 | " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 816 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 817 | " --log-color[=0|1] Highlight important log messages\n" |
bbe63281 | 818 | " --log-location[=0|1] Include code location in log messages\n", |
5b6319dc | 819 | program_invocation_short_name); |
f170852a LP |
820 | |
821 | return 0; | |
822 | } | |
823 | ||
a16e1123 LP |
824 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
825 | FILE *f = NULL; | |
826 | FDSet *fds = NULL; | |
827 | int r; | |
828 | ||
829 | assert(m); | |
830 | assert(_f); | |
831 | assert(_fds); | |
832 | ||
d8d5ab98 | 833 | if ((r = manager_open_serialization(m, &f)) < 0) { |
a16e1123 LP |
834 | log_error("Failed to create serialization faile: %s", strerror(-r)); |
835 | goto fail; | |
836 | } | |
837 | ||
838 | if (!(fds = fdset_new())) { | |
839 | r = -ENOMEM; | |
840 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
841 | goto fail; | |
842 | } | |
843 | ||
844 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
845 | log_error("Failed to serialize state: %s", strerror(-r)); | |
846 | goto fail; | |
847 | } | |
848 | ||
849 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
850 | log_error("Failed to rewind serialization fd: %m"); | |
851 | goto fail; | |
852 | } | |
853 | ||
854 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
855 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
856 | goto fail; | |
857 | } | |
858 | ||
859 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
860 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
861 | goto fail; | |
862 | } | |
863 | ||
864 | *_f = f; | |
865 | *_fds = fds; | |
866 | ||
867 | return 0; | |
868 | ||
869 | fail: | |
870 | fdset_free(fds); | |
871 | ||
872 | if (f) | |
873 | fclose(f); | |
874 | ||
875 | return r; | |
876 | } | |
877 | ||
60918275 LP |
878 | int main(int argc, char *argv[]) { |
879 | Manager *m = NULL; | |
22f4096c | 880 | int r, retval = EXIT_FAILURE; |
a16e1123 LP |
881 | FDSet *fds = NULL; |
882 | bool reexecute = false; | |
27b14a22 | 883 | |
2cb1a60d LP |
884 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
885 | /* This is compatbility support for SysV, where | |
886 | * calling init as a user is identical to telinit. */ | |
887 | ||
888 | errno = -ENOENT; | |
889 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
890 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
891 | return 1; | |
892 | } | |
893 | ||
2cc59dbf | 894 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 895 | log_show_location(false); |
7c706717 | 896 | log_set_max_level(LOG_INFO); |
bbe63281 | 897 | |
843d2643 | 898 | if (getpid() == 1) { |
fa0f4d8a | 899 | arg_running_as = MANAGER_SYSTEM; |
843d2643 | 900 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
0ff4cdd9 LP |
901 | |
902 | if (label_init() < 0) | |
903 | goto finish; | |
bbe63281 | 904 | } else { |
fa0f4d8a | 905 | arg_running_as = MANAGER_SESSION; |
bbe63281 LP |
906 | log_set_target(LOG_TARGET_CONSOLE); |
907 | } | |
a5dab5ce | 908 | |
f170852a LP |
909 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
910 | goto finish; | |
60918275 | 911 | |
f170852a LP |
912 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
913 | * /proc/$PID/fd is available. */ | |
ca326f6f | 914 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) |
8efe3c01 LP |
915 | if (mount_setup() < 0) |
916 | goto finish; | |
4ade7963 LP |
917 | |
918 | /* Reset all signal handlers. */ | |
919 | assert_se(reset_all_signal_handlers() == 0); | |
920 | ||
078e4539 | 921 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 922 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 923 | |
487393e9 LP |
924 | if (parse_config_file() < 0) |
925 | goto finish; | |
926 | ||
fa0f4d8a | 927 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
928 | if (parse_proc_cmdline() < 0) |
929 | goto finish; | |
f170852a LP |
930 | |
931 | log_parse_environment(); | |
932 | ||
933 | if (parse_argv(argc, argv) < 0) | |
934 | goto finish; | |
935 | ||
fa0f4d8a | 936 | if (arg_action == ACTION_HELP) { |
f170852a LP |
937 | retval = help(); |
938 | goto finish; | |
fa0f4d8a | 939 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 940 | unit_dump_config_items(stdout); |
22f4096c | 941 | retval = EXIT_SUCCESS; |
e537352b | 942 | goto finish; |
fa0f4d8a | 943 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 944 | retval = EXIT_SUCCESS; |
4288f619 | 945 | goto finish; |
f170852a LP |
946 | } |
947 | ||
fa0f4d8a | 948 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 949 | |
a16e1123 LP |
950 | /* Remember open file descriptors for later deserialization */ |
951 | if (serialization) { | |
952 | if ((r = fdset_new_fill(&fds)) < 0) { | |
953 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
954 | goto finish; | |
955 | } | |
956 | ||
957 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
958 | } else | |
959 | close_all_fds(NULL, 0); | |
960 | ||
09082a94 | 961 | /* Set up PATH unless it is already set */ |
e537352b LP |
962 | setenv("PATH", |
963 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", | |
fa0f4d8a | 964 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 965 | |
f170852a LP |
966 | /* Move out of the way, so that we won't block unmounts */ |
967 | assert_se(chdir("/") == 0); | |
968 | ||
fa0f4d8a | 969 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
970 | /* Become a session leader if we aren't one yet. */ |
971 | setsid(); | |
4ade7963 | 972 | |
80876c20 LP |
973 | /* Disable the umask logic */ |
974 | umask(0); | |
975 | } | |
976 | ||
843d2643 LP |
977 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
978 | dbus_connection_set_change_sigpipe(FALSE); | |
979 | ||
2146621b LP |
980 | /* Reset the console, but only if this is really init and we |
981 | * are freshly booted */ | |
fa0f4d8a | 982 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
2146621b | 983 | console_setup(getpid() == 1 && !serialization); |
843d2643 LP |
984 | make_null_stdio(); |
985 | } | |
4ade7963 | 986 | |
18149b9f | 987 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 988 | log_open(); |
4ade7963 | 989 | |
5373d602 LP |
990 | /* Make sure we leave a core dump without panicing the |
991 | * kernel. */ | |
4fc935ca LP |
992 | if (getpid() == 1) |
993 | install_crash_handler(); | |
97c4f35c | 994 | |
302e27c8 | 995 | log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG, |
7d568925 | 996 | PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 997 | |
888c6216 LP |
998 | if (arg_running_as == MANAGER_SYSTEM && !serialization) { |
999 | if (arg_show_status) | |
1000 | status_welcome(); | |
1001 | ||
888c6216 LP |
1002 | kmod_setup(); |
1003 | hostname_setup(); | |
1004 | loopback_setup(); | |
af5bc85d | 1005 | } |
302e8c4c | 1006 | |
9e58ff9c | 1007 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1008 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1009 | goto finish; |
1010 | } | |
1011 | ||
9e58ff9c LP |
1012 | m->confirm_spawn = arg_confirm_spawn; |
1013 | m->show_status = arg_show_status; | |
6e98720f | 1014 | m->sysv_console = arg_sysv_console; |
d3689161 | 1015 | m->mount_auto = arg_mount_auto; |
173a8d04 | 1016 | m->swap_auto = arg_swap_auto; |
9e58ff9c | 1017 | |
b2bb3dbe LP |
1018 | if (arg_console) |
1019 | manager_set_console(m, arg_console); | |
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 | 1036 | DBusError error; |
1c27d3f3 | 1037 | Unit *target = NULL; |
398ef8ba LP |
1038 | |
1039 | dbus_error_init(&error); | |
1040 | ||
fa0f4d8a | 1041 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1042 | |
398ef8ba LP |
1043 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1044 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1045 | dbus_error_free(&error); | |
1c27d3f3 LP |
1046 | } else if (target->meta.load_state != UNIT_LOADED) |
1047 | log_error("Failed to load default target: %s", strerror(-target->meta.load_error)); | |
27b14a22 | 1048 | |
1c27d3f3 | 1049 | if (!target || target->meta.load_state != UNIT_LOADED) { |
a16e1123 | 1050 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1051 | |
398ef8ba LP |
1052 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1053 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1054 | dbus_error_free(&error); | |
a16e1123 | 1055 | goto finish; |
1c27d3f3 LP |
1056 | } else if (target->meta.load_state != UNIT_LOADED) { |
1057 | log_error("Failed to load rescue target: %s", strerror(-target->meta.load_error)); | |
1058 | goto finish; | |
a16e1123 LP |
1059 | } |
1060 | } | |
37d88da7 | 1061 | |
fa0f4d8a | 1062 | if (arg_action == ACTION_TEST) { |
40d50879 | 1063 | printf("-> By units:\n"); |
a16e1123 LP |
1064 | manager_dump_units(m, stdout, "\t"); |
1065 | } | |
1066 | ||
0ff4cdd9 | 1067 | if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) { |
398ef8ba LP |
1068 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1069 | dbus_error_free(&error); | |
37d88da7 LP |
1070 | goto finish; |
1071 | } | |
60918275 | 1072 | |
fa0f4d8a | 1073 | if (arg_action == ACTION_TEST) { |
40d50879 | 1074 | printf("-> By jobs:\n"); |
a16e1123 | 1075 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1076 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1077 | goto finish; |
1078 | } | |
e965d56d | 1079 | } |
d46de8a1 | 1080 | |
a16e1123 LP |
1081 | for (;;) { |
1082 | if ((r = manager_loop(m)) < 0) { | |
1083 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1084 | goto finish; | |
1085 | } | |
11dd41ce | 1086 | |
a16e1123 | 1087 | switch (m->exit_code) { |
e965d56d | 1088 | |
a16e1123 | 1089 | case MANAGER_EXIT: |
22f4096c | 1090 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1091 | log_debug("Exit."); |
1092 | goto finish; | |
e965d56d | 1093 | |
a16e1123 | 1094 | case MANAGER_RELOAD: |
e015090f | 1095 | log_info("Reloading."); |
a16e1123 LP |
1096 | if ((r = manager_reload(m)) < 0) |
1097 | log_error("Failed to reload: %s", strerror(-r)); | |
1098 | break; | |
cea8e32e | 1099 | |
a16e1123 | 1100 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1101 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1102 | goto finish; | |
60918275 | 1103 | |
a16e1123 | 1104 | reexecute = true; |
e015090f | 1105 | log_notice("Reexecuting."); |
a16e1123 LP |
1106 | goto finish; |
1107 | ||
1108 | default: | |
1109 | assert_not_reached("Unknown exit code."); | |
1110 | } | |
1111 | } | |
f170852a | 1112 | |
60918275 LP |
1113 | finish: |
1114 | if (m) | |
1115 | manager_free(m); | |
1116 | ||
fa0f4d8a | 1117 | free(arg_default_unit); |
b2bb3dbe | 1118 | free(arg_console); |
b9cd2ec1 | 1119 | |
ea430986 LP |
1120 | dbus_shutdown(); |
1121 | ||
b2bb3dbe LP |
1122 | label_finish(); |
1123 | ||
a16e1123 | 1124 | if (reexecute) { |
6e98720f | 1125 | const char *args[15]; |
a16e1123 LP |
1126 | unsigned i = 0; |
1127 | char sfd[16]; | |
1128 | ||
1129 | assert(serialization); | |
1130 | assert(fds); | |
1131 | ||
1132 | args[i++] = SYSTEMD_BINARY_PATH; | |
1133 | ||
1134 | args[i++] = "--log-level"; | |
1135 | args[i++] = log_level_to_string(log_get_max_level()); | |
1136 | ||
1137 | args[i++] = "--log-target"; | |
1138 | args[i++] = log_target_to_string(log_get_target()); | |
1139 | ||
edb9aaa8 LP |
1140 | if (arg_running_as == MANAGER_SYSTEM) |
1141 | args[i++] = "--system"; | |
1142 | else | |
1143 | args[i++] = "--session"; | |
1144 | ||
1145 | if (arg_dump_core) | |
1146 | args[i++] = "--dump-core"; | |
1147 | ||
1148 | if (arg_crash_shell) | |
1149 | args[i++] = "--crash-shell"; | |
1150 | ||
1151 | if (arg_confirm_spawn) | |
1152 | args[i++] = "--confirm-spawn"; | |
1153 | ||
1154 | if (arg_show_status) | |
6e98720f LP |
1155 | args[i++] = "--show-status=1"; |
1156 | else | |
1157 | args[i++] = "--show-status=0"; | |
1158 | ||
1159 | if (arg_sysv_console) | |
1160 | args[i++] = "--sysv-console=1"; | |
1161 | else | |
1162 | args[i++] = "--sysv-console=0"; | |
a16e1123 LP |
1163 | |
1164 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1165 | char_array_0(sfd); | |
1166 | ||
1167 | args[i++] = "--deserialize"; | |
1168 | args[i++] = sfd; | |
1169 | ||
a16e1123 LP |
1170 | args[i++] = NULL; |
1171 | ||
1172 | assert(i <= ELEMENTSOF(args)); | |
1173 | ||
1174 | execv(args[0], (char* const*) args); | |
1175 | ||
1176 | log_error("Failed to reexecute: %m"); | |
1177 | } | |
1178 | ||
1179 | if (serialization) | |
1180 | fclose(serialization); | |
1181 | ||
1182 | if (fds) | |
1183 | fdset_free(fds); | |
1184 | ||
c3b3c274 LP |
1185 | if (getpid() == 1) |
1186 | freeze(); | |
1187 | ||
60918275 LP |
1188 | return retval; |
1189 | } |