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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" |
72bca11b | 41 | #include "locale-setup.h" |
c4dcdb9f | 42 | #include "selinux-setup.h" |
302e8c4c | 43 | #include "load-fragment.h" |
a16e1123 | 44 | #include "fdset.h" |
514f4ef5 | 45 | #include "special.h" |
487393e9 | 46 | #include "conf-parser.h" |
398ef8ba | 47 | #include "bus-errors.h" |
ad780f19 | 48 | #include "missing.h" |
e51bc1a2 | 49 | #include "label.h" |
302e27c8 | 50 | #include "build.h" |
60918275 | 51 | |
f170852a LP |
52 | static enum { |
53 | ACTION_RUN, | |
e965d56d | 54 | ACTION_HELP, |
e537352b | 55 | ACTION_TEST, |
4288f619 LP |
56 | ACTION_DUMP_CONFIGURATION_ITEMS, |
57 | ACTION_DONE | |
fa0f4d8a | 58 | } arg_action = ACTION_RUN; |
f170852a | 59 | |
fa0f4d8a LP |
60 | static char *arg_default_unit = NULL; |
61 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; | |
62 | ||
63 | static bool arg_dump_core = true; | |
64 | static bool arg_crash_shell = false; | |
65 | static int arg_crash_chvt = -1; | |
66 | static bool arg_confirm_spawn = false; | |
9e58ff9c | 67 | static bool arg_show_status = true; |
07459bb6 | 68 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 69 | static bool arg_sysv_console = true; |
07459bb6 | 70 | #endif |
d3689161 | 71 | static bool arg_mount_auto = true; |
173a8d04 | 72 | static bool arg_swap_auto = true; |
b2bb3dbe | 73 | static char *arg_console = NULL; |
4fc935ca | 74 | |
a16e1123 | 75 | static FILE* serialization = NULL; |
80876c20 | 76 | |
6f5e3f35 LP |
77 | static void nop_handler(int sig) { |
78 | } | |
79 | ||
93a46b0b | 80 | _noreturn_ static void crash(int sig) { |
97c4f35c | 81 | |
fa0f4d8a | 82 | if (!arg_dump_core) |
582a507f | 83 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 84 | else { |
6f5e3f35 | 85 | struct sigaction sa; |
97c4f35c LP |
86 | pid_t pid; |
87 | ||
6f5e3f35 LP |
88 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
89 | zero(sa); | |
90 | sa.sa_handler = nop_handler; | |
91 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
92 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
93 | ||
97c4f35c | 94 | if ((pid = fork()) < 0) |
582a507f | 95 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
96 | |
97 | else if (pid == 0) { | |
97c4f35c LP |
98 | struct rlimit rl; |
99 | ||
100 | /* Enable default signal handler for core dump */ | |
101 | zero(sa); | |
102 | sa.sa_handler = SIG_DFL; | |
103 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
104 | ||
105 | /* Don't limit the core dump size */ | |
106 | zero(rl); | |
107 | rl.rlim_cur = RLIM_INFINITY; | |
108 | rl.rlim_max = RLIM_INFINITY; | |
109 | setrlimit(RLIMIT_CORE, &rl); | |
110 | ||
111 | /* Just to be sure... */ | |
112 | assert_se(chdir("/") == 0); | |
113 | ||
114 | /* Raise the signal again */ | |
115 | raise(sig); | |
116 | ||
117 | assert_not_reached("We shouldn't be here..."); | |
118 | _exit(1); | |
4fc935ca LP |
119 | |
120 | } else { | |
8e12a6ae LP |
121 | siginfo_t status; |
122 | int r; | |
4fc935ca LP |
123 | |
124 | /* Order things nicely. */ | |
8e12a6ae LP |
125 | if ((r = wait_for_terminate(pid, &status)) < 0) |
126 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r)); | |
127 | else if (status.si_code != CLD_DUMPED) | |
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 console_setup(bool do_reset) { |
185 | int tty_fd, r; | |
80876c20 | 186 | |
843d2643 LP |
187 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
188 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 189 | |
843d2643 LP |
190 | release_terminal(); |
191 | ||
192 | if (!do_reset) | |
193 | return 0; | |
80876c20 | 194 | |
843d2643 LP |
195 | if ((tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) { |
196 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); | |
197 | return -tty_fd; | |
198 | } | |
80876c20 | 199 | |
843d2643 LP |
200 | if ((r = reset_terminal(tty_fd)) < 0) |
201 | log_error("Failed to reset /dev/console: %s", strerror(-r)); | |
202 | ||
203 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
204 | return r; |
205 | } | |
206 | ||
f170852a LP |
207 | static int set_default_unit(const char *u) { |
208 | char *c; | |
209 | ||
210 | assert(u); | |
211 | ||
212 | if (!(c = strdup(u))) | |
213 | return -ENOMEM; | |
214 | ||
fa0f4d8a LP |
215 | free(arg_default_unit); |
216 | arg_default_unit = c; | |
f170852a LP |
217 | return 0; |
218 | } | |
219 | ||
220 | static int parse_proc_cmdline_word(const char *word) { | |
221 | ||
222 | static const char * const rlmap[] = { | |
ed370f5d LP |
223 | "emergency", SPECIAL_EMERGENCY_TARGET, |
224 | "single", SPECIAL_RESCUE_TARGET, | |
225 | "-s", SPECIAL_RESCUE_TARGET, | |
226 | "s", SPECIAL_RESCUE_TARGET, | |
227 | "S", SPECIAL_RESCUE_TARGET, | |
228 | "1", SPECIAL_RESCUE_TARGET, | |
229 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
230 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
231 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
232 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
233 | }; |
234 | ||
5192bd19 LP |
235 | assert(word); |
236 | ||
2f198e2f LP |
237 | if (startswith(word, "systemd.unit=")) |
238 | return set_default_unit(word + 13); | |
f170852a LP |
239 | |
240 | else if (startswith(word, "systemd.log_target=")) { | |
241 | ||
242 | if (log_set_target_from_string(word + 19) < 0) | |
243 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
244 | ||
245 | } else if (startswith(word, "systemd.log_level=")) { | |
246 | ||
247 | if (log_set_max_level_from_string(word + 18) < 0) | |
248 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
249 | ||
bbe63281 LP |
250 | } else if (startswith(word, "systemd.log_color=")) { |
251 | ||
252 | if (log_show_color_from_string(word + 18) < 0) | |
253 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
254 | ||
255 | } else if (startswith(word, "systemd.log_location=")) { | |
256 | ||
257 | if (log_show_location_from_string(word + 21) < 0) | |
258 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
259 | ||
4fc935ca LP |
260 | } else if (startswith(word, "systemd.dump_core=")) { |
261 | int r; | |
262 | ||
263 | if ((r = parse_boolean(word + 18)) < 0) | |
601f6a1e | 264 | log_warning("Failed to parse dump core switch %s, Ignoring.", word + 18); |
4fc935ca | 265 | else |
fa0f4d8a | 266 | arg_dump_core = r; |
4fc935ca LP |
267 | |
268 | } else if (startswith(word, "systemd.crash_shell=")) { | |
269 | int r; | |
270 | ||
271 | if ((r = parse_boolean(word + 20)) < 0) | |
601f6a1e | 272 | log_warning("Failed to parse crash shell switch %s, Ignoring.", word + 20); |
4fc935ca | 273 | else |
fa0f4d8a | 274 | arg_crash_shell = r; |
5e7ee61c LP |
275 | |
276 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
277 | int r; | |
278 | ||
279 | if ((r = parse_boolean(word + 22)) < 0) | |
280 | log_warning("Failed to parse confirm spawn switch %s, Ignoring.", word + 22); | |
281 | else | |
fa0f4d8a | 282 | arg_confirm_spawn = r; |
5e7ee61c | 283 | |
601f6a1e LP |
284 | } else if (startswith(word, "systemd.crash_chvt=")) { |
285 | int k; | |
286 | ||
287 | if (safe_atoi(word + 19, &k) < 0) | |
288 | log_warning("Failed to parse crash chvt switch %s, Ignoring.", word + 19); | |
289 | else | |
fa0f4d8a | 290 | arg_crash_chvt = k; |
601f6a1e | 291 | |
9e58ff9c LP |
292 | } else if (startswith(word, "systemd.show_status=")) { |
293 | int r; | |
294 | ||
295 | if ((r = parse_boolean(word + 20)) < 0) | |
296 | log_warning("Failed to parse show status switch %s, Ignoring.", word + 20); | |
6e98720f | 297 | else |
9e58ff9c | 298 | arg_show_status = r; |
07459bb6 | 299 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
300 | } else if (startswith(word, "systemd.sysv_console=")) { |
301 | int r; | |
302 | ||
303 | if ((r = parse_boolean(word + 21)) < 0) | |
304 | log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20); | |
305 | else | |
306 | arg_sysv_console = r; | |
07459bb6 | 307 | #endif |
9e58ff9c | 308 | |
4fc935ca LP |
309 | } else if (startswith(word, "systemd.")) { |
310 | ||
311 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
312 | ||
bbe63281 LP |
313 | log_info("Supported kernel switches:\n" |
314 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 315 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 316 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 317 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 318 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f | 319 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
07459bb6 | 320 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 321 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" |
07459bb6 | 322 | #endif |
87d1969b | 323 | "systemd.log_target=console|kmsg|syslog|syslog-or-kmsg|null\n" |
6e98720f LP |
324 | " Log target\n" |
325 | "systemd.log_level=LEVEL Log level\n" | |
326 | "systemd.log_color=0|1 Highlight important log messages\n" | |
327 | "systemd.log_location=0|1 Include code location in log messages\n"); | |
4fc935ca | 328 | |
b2bb3dbe LP |
329 | } else if (startswith(word, "console=")) { |
330 | const char *k; | |
331 | size_t l; | |
332 | char *w = NULL; | |
333 | ||
334 | k = word + 8; | |
335 | l = strcspn(k, ","); | |
336 | ||
337 | /* Ignore the console setting if set to a VT */ | |
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 | ||
a9c501a5 | 349 | } else if (streq(word, "quiet")) { |
6e98720f | 350 | arg_show_status = false; |
07459bb6 | 351 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 352 | arg_sysv_console = false; |
07459bb6 | 353 | #endif |
9e58ff9c | 354 | } else { |
f170852a LP |
355 | unsigned i; |
356 | ||
357 | /* SysV compatibility */ | |
f170852a LP |
358 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
359 | if (streq(word, rlmap[i])) | |
360 | return set_default_unit(rlmap[i+1]); | |
361 | } | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
487393e9 LP |
366 | static int config_parse_level( |
367 | const char *filename, | |
368 | unsigned line, | |
369 | const char *section, | |
370 | const char *lvalue, | |
371 | const char *rvalue, | |
372 | void *data, | |
373 | void *userdata) { | |
374 | ||
375 | assert(filename); | |
376 | assert(lvalue); | |
377 | assert(rvalue); | |
378 | ||
379 | log_set_max_level_from_string(rvalue); | |
380 | return 0; | |
381 | } | |
382 | ||
383 | static int config_parse_target( | |
384 | const char *filename, | |
385 | unsigned line, | |
386 | const char *section, | |
387 | const char *lvalue, | |
388 | const char *rvalue, | |
389 | void *data, | |
390 | void *userdata) { | |
391 | ||
392 | assert(filename); | |
393 | assert(lvalue); | |
394 | assert(rvalue); | |
395 | ||
396 | log_set_target_from_string(rvalue); | |
397 | return 0; | |
398 | } | |
399 | ||
400 | static int config_parse_color( | |
401 | const char *filename, | |
402 | unsigned line, | |
403 | const char *section, | |
404 | const char *lvalue, | |
405 | const char *rvalue, | |
406 | void *data, | |
407 | void *userdata) { | |
408 | ||
409 | assert(filename); | |
410 | assert(lvalue); | |
411 | assert(rvalue); | |
412 | ||
413 | log_show_color_from_string(rvalue); | |
414 | return 0; | |
415 | } | |
416 | ||
417 | static int config_parse_location( | |
418 | const char *filename, | |
419 | unsigned line, | |
420 | const char *section, | |
421 | const char *lvalue, | |
422 | const char *rvalue, | |
423 | void *data, | |
424 | void *userdata) { | |
425 | ||
426 | assert(filename); | |
427 | assert(lvalue); | |
428 | assert(rvalue); | |
429 | ||
430 | log_show_location_from_string(rvalue); | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static int config_parse_cpu_affinity( | |
435 | const char *filename, | |
436 | unsigned line, | |
437 | const char *section, | |
438 | const char *lvalue, | |
439 | const char *rvalue, | |
440 | void *data, | |
441 | void *userdata) { | |
442 | ||
443 | char *w; | |
444 | size_t l; | |
445 | char *state; | |
446 | cpu_set_t *c = NULL; | |
447 | unsigned ncpus = 0; | |
448 | ||
449 | assert(filename); | |
450 | assert(lvalue); | |
451 | assert(rvalue); | |
452 | ||
f60f22df | 453 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
454 | char *t; |
455 | int r; | |
456 | unsigned cpu; | |
457 | ||
458 | if (!(t = strndup(w, l))) | |
459 | return -ENOMEM; | |
460 | ||
461 | r = safe_atou(t, &cpu); | |
462 | free(t); | |
463 | ||
464 | if (!c) | |
465 | if (!(c = cpu_set_malloc(&ncpus))) | |
466 | return -ENOMEM; | |
467 | ||
468 | if (r < 0 || cpu >= ncpus) { | |
469 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
470 | CPU_FREE(c); | |
471 | return -EBADMSG; | |
472 | } | |
473 | ||
474 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
475 | } | |
476 | ||
477 | if (c) { | |
478 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
479 | log_warning("Failed to set CPU affinity: %m"); | |
480 | ||
481 | CPU_FREE(c); | |
482 | } | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
487 | static int parse_config_file(void) { | |
488 | ||
489 | const ConfigItem items[] = { | |
d3689161 LP |
490 | { "LogLevel", config_parse_level, NULL, "Manager" }, |
491 | { "LogTarget", config_parse_target, NULL, "Manager" }, | |
492 | { "LogColor", config_parse_color, NULL, "Manager" }, | |
493 | { "LogLocation", config_parse_location, NULL, "Manager" }, | |
494 | { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" }, | |
495 | { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" }, | |
496 | { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" }, | |
07459bb6 | 497 | #ifdef HAVE_SYSV_COMPAT |
d3689161 | 498 | { "SysVConsole", config_parse_bool, &arg_sysv_console, "Manager" }, |
07459bb6 | 499 | #endif |
d3689161 LP |
500 | { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" }, |
501 | { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" }, | |
d3689161 | 502 | { "MountAuto", config_parse_bool, &arg_mount_auto, "Manager" }, |
173a8d04 | 503 | { "SwapAuto", config_parse_bool, &arg_swap_auto, "Manager" }, |
487393e9 LP |
504 | { NULL, NULL, NULL, NULL } |
505 | }; | |
506 | ||
507 | static const char * const sections[] = { | |
508 | "Manager", | |
509 | NULL | |
510 | }; | |
511 | ||
512 | FILE *f; | |
513 | const char *fn; | |
514 | int r; | |
515 | ||
516 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE; | |
517 | ||
518 | if (!(f = fopen(fn, "re"))) { | |
519 | if (errno == ENOENT) | |
520 | return 0; | |
521 | ||
522 | log_warning("Failed to open configuration file '%s': %m", fn); | |
523 | return 0; | |
524 | } | |
525 | ||
526 | if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0) | |
527 | log_warning("Failed to parse configuration file: %s", strerror(-r)); | |
528 | ||
529 | fclose(f); | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
f170852a | 534 | static int parse_proc_cmdline(void) { |
52661efd | 535 | char *line, *w, *state; |
f170852a | 536 | int r; |
f170852a | 537 | size_t l; |
f170852a LP |
538 | |
539 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { | |
e364ad06 | 540 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
541 | return 0; |
542 | } | |
543 | ||
544 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
545 | char *word; | |
546 | ||
547 | if (!(word = strndup(w, l))) { | |
548 | r = -ENOMEM; | |
549 | goto finish; | |
550 | } | |
551 | ||
552 | r = parse_proc_cmdline_word(word); | |
553 | free(word); | |
554 | ||
555 | if (r < 0) | |
556 | goto finish; | |
557 | } | |
558 | ||
559 | r = 0; | |
560 | ||
561 | finish: | |
562 | free(line); | |
563 | return r; | |
564 | } | |
565 | ||
566 | static int parse_argv(int argc, char *argv[]) { | |
567 | ||
568 | enum { | |
569 | ARG_LOG_LEVEL = 0x100, | |
570 | ARG_LOG_TARGET, | |
bbe63281 LP |
571 | ARG_LOG_COLOR, |
572 | ARG_LOG_LOCATION, | |
2f198e2f | 573 | ARG_UNIT, |
edb9aaa8 LP |
574 | ARG_SYSTEM, |
575 | ARG_SESSION, | |
e537352b | 576 | ARG_TEST, |
80876c20 | 577 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
578 | ARG_DUMP_CORE, |
579 | ARG_CRASH_SHELL, | |
a16e1123 | 580 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 581 | ARG_SHOW_STATUS, |
6e98720f | 582 | ARG_SYSV_CONSOLE, |
4288f619 LP |
583 | ARG_DESERIALIZE, |
584 | ARG_INTROSPECT | |
f170852a LP |
585 | }; |
586 | ||
587 | static const struct option options[] = { | |
a16e1123 LP |
588 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
589 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
590 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
591 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 592 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 LP |
593 | { "system", no_argument, NULL, ARG_SYSTEM }, |
594 | { "session", no_argument, NULL, ARG_SESSION }, | |
a16e1123 LP |
595 | { "test", no_argument, NULL, ARG_TEST }, |
596 | { "help", no_argument, NULL, 'h' }, | |
597 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
598 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
599 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 600 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 601 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
07459bb6 | 602 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 603 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, |
07459bb6 | 604 | #endif |
a16e1123 | 605 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 606 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
a16e1123 | 607 | { NULL, 0, NULL, 0 } |
f170852a LP |
608 | }; |
609 | ||
610 | int c, r; | |
611 | ||
612 | assert(argc >= 1); | |
613 | assert(argv); | |
614 | ||
1d2e23ab | 615 | while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0) |
f170852a LP |
616 | |
617 | switch (c) { | |
618 | ||
619 | case ARG_LOG_LEVEL: | |
620 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
621 | log_error("Failed to parse log level %s.", optarg); | |
622 | return r; | |
623 | } | |
624 | ||
625 | break; | |
626 | ||
627 | case ARG_LOG_TARGET: | |
628 | ||
629 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
630 | log_error("Failed to parse log target %s.", optarg); | |
631 | return r; | |
632 | } | |
633 | ||
634 | break; | |
635 | ||
bbe63281 LP |
636 | case ARG_LOG_COLOR: |
637 | ||
d0b170c8 LP |
638 | if (optarg) { |
639 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
640 | log_error("Failed to parse log color setting %s.", optarg); | |
641 | return r; | |
642 | } | |
643 | } else | |
644 | log_show_color(true); | |
bbe63281 LP |
645 | |
646 | break; | |
647 | ||
648 | case ARG_LOG_LOCATION: | |
649 | ||
d0b170c8 LP |
650 | if (optarg) { |
651 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
652 | log_error("Failed to parse log location setting %s.", optarg); | |
653 | return r; | |
654 | } | |
655 | } else | |
656 | log_show_location(true); | |
bbe63281 LP |
657 | |
658 | break; | |
659 | ||
2f198e2f | 660 | case ARG_UNIT: |
f170852a LP |
661 | |
662 | if ((r = set_default_unit(optarg)) < 0) { | |
663 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
664 | return r; | |
665 | } | |
666 | ||
667 | break; | |
668 | ||
edb9aaa8 LP |
669 | case ARG_SYSTEM: |
670 | arg_running_as = MANAGER_SYSTEM; | |
671 | break; | |
a5dab5ce | 672 | |
edb9aaa8 LP |
673 | case ARG_SESSION: |
674 | arg_running_as = MANAGER_SESSION; | |
a5dab5ce | 675 | break; |
a5dab5ce | 676 | |
e965d56d | 677 | case ARG_TEST: |
fa0f4d8a | 678 | arg_action = ACTION_TEST; |
e965d56d LP |
679 | break; |
680 | ||
e537352b | 681 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 682 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
683 | break; |
684 | ||
9e58ff9c LP |
685 | case ARG_DUMP_CORE: |
686 | arg_dump_core = true; | |
687 | break; | |
688 | ||
689 | case ARG_CRASH_SHELL: | |
690 | arg_crash_shell = true; | |
691 | break; | |
692 | ||
80876c20 | 693 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 694 | arg_confirm_spawn = true; |
80876c20 LP |
695 | break; |
696 | ||
9e58ff9c | 697 | case ARG_SHOW_STATUS: |
6e98720f LP |
698 | |
699 | if (optarg) { | |
700 | if ((r = parse_boolean(optarg)) < 0) { | |
701 | log_error("Failed to show status boolean %s.", optarg); | |
702 | return r; | |
703 | } | |
704 | arg_show_status = r; | |
705 | } else | |
706 | arg_show_status = true; | |
707 | break; | |
07459bb6 | 708 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
709 | case ARG_SYSV_CONSOLE: |
710 | ||
711 | if (optarg) { | |
712 | if ((r = parse_boolean(optarg)) < 0) { | |
713 | log_error("Failed to SysV console boolean %s.", optarg); | |
714 | return r; | |
715 | } | |
716 | arg_sysv_console = r; | |
717 | } else | |
718 | arg_sysv_console = true; | |
9e58ff9c | 719 | break; |
07459bb6 | 720 | #endif |
9e58ff9c | 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 | 807 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
07459bb6 | 808 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 809 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" |
07459bb6 | 810 | #endif |
bbe63281 | 811 | " --log-target=TARGET Set log target (console, syslog, kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 812 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 813 | " --log-color[=0|1] Highlight important log messages\n" |
bbe63281 | 814 | " --log-location[=0|1] Include code location in log messages\n", |
5b6319dc | 815 | program_invocation_short_name); |
f170852a LP |
816 | |
817 | return 0; | |
818 | } | |
819 | ||
a16e1123 LP |
820 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
821 | FILE *f = NULL; | |
822 | FDSet *fds = NULL; | |
823 | int r; | |
824 | ||
825 | assert(m); | |
826 | assert(_f); | |
827 | assert(_fds); | |
828 | ||
d8d5ab98 | 829 | if ((r = manager_open_serialization(m, &f)) < 0) { |
a16e1123 LP |
830 | log_error("Failed to create serialization faile: %s", strerror(-r)); |
831 | goto fail; | |
832 | } | |
833 | ||
834 | if (!(fds = fdset_new())) { | |
835 | r = -ENOMEM; | |
836 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
837 | goto fail; | |
838 | } | |
839 | ||
840 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
841 | log_error("Failed to serialize state: %s", strerror(-r)); | |
842 | goto fail; | |
843 | } | |
844 | ||
845 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
846 | log_error("Failed to rewind serialization fd: %m"); | |
847 | goto fail; | |
848 | } | |
849 | ||
850 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
851 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
852 | goto fail; | |
853 | } | |
854 | ||
855 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
856 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
857 | goto fail; | |
858 | } | |
859 | ||
860 | *_f = f; | |
861 | *_fds = fds; | |
862 | ||
863 | return 0; | |
864 | ||
865 | fail: | |
866 | fdset_free(fds); | |
867 | ||
868 | if (f) | |
869 | fclose(f); | |
870 | ||
871 | return r; | |
872 | } | |
873 | ||
e9ddabc2 LP |
874 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
875 | const char *e; | |
876 | unsigned long long a, b; | |
877 | ||
878 | assert(t); | |
879 | ||
880 | if (!(e = getenv("RD_TIMESTAMP"))) | |
881 | return NULL; | |
882 | ||
883 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
884 | return NULL; | |
885 | ||
886 | t->realtime = (usec_t) a; | |
887 | t->monotonic = (usec_t) b; | |
888 | ||
889 | return t; | |
890 | } | |
891 | ||
60918275 LP |
892 | int main(int argc, char *argv[]) { |
893 | Manager *m = NULL; | |
22f4096c | 894 | int r, retval = EXIT_FAILURE; |
a16e1123 LP |
895 | FDSet *fds = NULL; |
896 | bool reexecute = false; | |
b9080b03 | 897 | const char *shutdown_verb = NULL; |
e9ddabc2 | 898 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
27b14a22 | 899 | |
2cb1a60d LP |
900 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
901 | /* This is compatbility support for SysV, where | |
902 | * calling init as a user is identical to telinit. */ | |
903 | ||
904 | errno = -ENOENT; | |
905 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
906 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
907 | return 1; | |
908 | } | |
909 | ||
2cc59dbf | 910 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 911 | log_show_location(false); |
7c706717 | 912 | log_set_max_level(LOG_INFO); |
bbe63281 | 913 | |
843d2643 | 914 | if (getpid() == 1) { |
fa0f4d8a | 915 | arg_running_as = MANAGER_SYSTEM; |
843d2643 | 916 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
0ff4cdd9 | 917 | |
c4dcdb9f LP |
918 | /* This might actually not return, but cause a |
919 | * reexecution */ | |
920 | if (selinux_setup(argv) < 0) | |
921 | goto finish; | |
922 | ||
0ff4cdd9 LP |
923 | if (label_init() < 0) |
924 | goto finish; | |
bbe63281 | 925 | } else { |
fa0f4d8a | 926 | arg_running_as = MANAGER_SESSION; |
bbe63281 LP |
927 | log_set_target(LOG_TARGET_CONSOLE); |
928 | } | |
a5dab5ce | 929 | |
f170852a LP |
930 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
931 | goto finish; | |
60918275 | 932 | |
f170852a LP |
933 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
934 | * /proc/$PID/fd is available. */ | |
ca326f6f | 935 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) |
8efe3c01 LP |
936 | if (mount_setup() < 0) |
937 | goto finish; | |
4ade7963 LP |
938 | |
939 | /* Reset all signal handlers. */ | |
940 | assert_se(reset_all_signal_handlers() == 0); | |
941 | ||
078e4539 | 942 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 943 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 944 | |
487393e9 LP |
945 | if (parse_config_file() < 0) |
946 | goto finish; | |
947 | ||
fa0f4d8a | 948 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
949 | if (parse_proc_cmdline() < 0) |
950 | goto finish; | |
f170852a LP |
951 | |
952 | log_parse_environment(); | |
953 | ||
954 | if (parse_argv(argc, argv) < 0) | |
955 | goto finish; | |
956 | ||
fa0f4d8a | 957 | if (arg_action == ACTION_HELP) { |
f170852a LP |
958 | retval = help(); |
959 | goto finish; | |
fa0f4d8a | 960 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 961 | unit_dump_config_items(stdout); |
22f4096c | 962 | retval = EXIT_SUCCESS; |
e537352b | 963 | goto finish; |
fa0f4d8a | 964 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 965 | retval = EXIT_SUCCESS; |
4288f619 | 966 | goto finish; |
f170852a LP |
967 | } |
968 | ||
fa0f4d8a | 969 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 970 | |
a16e1123 LP |
971 | /* Remember open file descriptors for later deserialization */ |
972 | if (serialization) { | |
973 | if ((r = fdset_new_fill(&fds)) < 0) { | |
974 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
975 | goto finish; | |
976 | } | |
977 | ||
978 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
979 | } else | |
980 | close_all_fds(NULL, 0); | |
981 | ||
09082a94 | 982 | /* Set up PATH unless it is already set */ |
e537352b LP |
983 | setenv("PATH", |
984 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", | |
fa0f4d8a | 985 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 986 | |
39439087 | 987 | if (arg_running_as == MANAGER_SYSTEM) { |
e9ddabc2 LP |
988 | /* Parse the data passed to us by the initrd and unset it */ |
989 | parse_initrd_timestamp(&initrd_timestamp); | |
990 | filter_environ("RD_"); | |
991 | ||
992 | /* Unset some environment variables passed in from the | |
993 | * kernel that don't really make sense for us. */ | |
39439087 LP |
994 | unsetenv("HOME"); |
995 | unsetenv("TERM"); | |
996 | } | |
1104f3c1 | 997 | |
f170852a LP |
998 | /* Move out of the way, so that we won't block unmounts */ |
999 | assert_se(chdir("/") == 0); | |
1000 | ||
fa0f4d8a | 1001 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
1002 | /* Become a session leader if we aren't one yet. */ |
1003 | setsid(); | |
4ade7963 | 1004 | |
80876c20 LP |
1005 | /* Disable the umask logic */ |
1006 | umask(0); | |
1007 | } | |
1008 | ||
843d2643 LP |
1009 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1010 | dbus_connection_set_change_sigpipe(FALSE); | |
1011 | ||
2146621b LP |
1012 | /* Reset the console, but only if this is really init and we |
1013 | * are freshly booted */ | |
fa0f4d8a | 1014 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
2146621b | 1015 | console_setup(getpid() == 1 && !serialization); |
843d2643 LP |
1016 | make_null_stdio(); |
1017 | } | |
4ade7963 | 1018 | |
18149b9f | 1019 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1020 | log_open(); |
4ade7963 | 1021 | |
5373d602 LP |
1022 | /* Make sure we leave a core dump without panicing the |
1023 | * kernel. */ | |
4fc935ca LP |
1024 | if (getpid() == 1) |
1025 | install_crash_handler(); | |
97c4f35c | 1026 | |
302e27c8 | 1027 | log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG, |
7d568925 | 1028 | PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 1029 | |
888c6216 | 1030 | if (arg_running_as == MANAGER_SYSTEM && !serialization) { |
72bca11b LP |
1031 | locale_setup(); |
1032 | ||
888c6216 LP |
1033 | if (arg_show_status) |
1034 | status_welcome(); | |
1035 | ||
888c6216 LP |
1036 | kmod_setup(); |
1037 | hostname_setup(); | |
1038 | loopback_setup(); | |
490aed58 LP |
1039 | |
1040 | mkdir_p("/dev/.systemd/ask-password/", 0755); | |
af5bc85d | 1041 | } |
302e8c4c | 1042 | |
9e58ff9c | 1043 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1044 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1045 | goto finish; |
1046 | } | |
1047 | ||
9e58ff9c LP |
1048 | m->confirm_spawn = arg_confirm_spawn; |
1049 | m->show_status = arg_show_status; | |
07459bb6 | 1050 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 1051 | m->sysv_console = arg_sysv_console; |
07459bb6 | 1052 | #endif |
d3689161 | 1053 | m->mount_auto = arg_mount_auto; |
173a8d04 | 1054 | m->swap_auto = arg_swap_auto; |
9e58ff9c | 1055 | |
e9ddabc2 LP |
1056 | if (dual_timestamp_is_set(&initrd_timestamp)) |
1057 | m->initrd_timestamp = initrd_timestamp; | |
1058 | ||
b2bb3dbe LP |
1059 | if (arg_console) |
1060 | manager_set_console(m, arg_console); | |
1061 | ||
a16e1123 | 1062 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 1063 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
1064 | |
1065 | if (fds) { | |
1066 | /* This will close all file descriptors that were opened, but | |
1067 | * not claimed by any unit. */ | |
1068 | ||
1069 | fdset_free(fds); | |
1070 | fds = NULL; | |
f50e0a01 LP |
1071 | } |
1072 | ||
a16e1123 LP |
1073 | if (serialization) { |
1074 | fclose(serialization); | |
1075 | serialization = NULL; | |
1076 | } else { | |
398ef8ba | 1077 | DBusError error; |
1c27d3f3 | 1078 | Unit *target = NULL; |
398ef8ba LP |
1079 | |
1080 | dbus_error_init(&error); | |
1081 | ||
fa0f4d8a | 1082 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1083 | |
398ef8ba LP |
1084 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1085 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1086 | dbus_error_free(&error); | |
00dc5d76 | 1087 | } else if (target->meta.load_state == UNIT_ERROR) |
1c27d3f3 | 1088 | log_error("Failed to load default target: %s", strerror(-target->meta.load_error)); |
6daf4f90 LP |
1089 | else if (target->meta.load_state == UNIT_MASKED) |
1090 | log_error("Default target masked."); | |
27b14a22 | 1091 | |
1c27d3f3 | 1092 | if (!target || target->meta.load_state != UNIT_LOADED) { |
a16e1123 | 1093 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1094 | |
398ef8ba LP |
1095 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1096 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1097 | dbus_error_free(&error); | |
a16e1123 | 1098 | goto finish; |
00dc5d76 | 1099 | } else if (target->meta.load_state == UNIT_ERROR) { |
1c27d3f3 LP |
1100 | log_error("Failed to load rescue target: %s", strerror(-target->meta.load_error)); |
1101 | goto finish; | |
6daf4f90 LP |
1102 | } else if (target->meta.load_state == UNIT_MASKED) { |
1103 | log_error("Rescue target masked."); | |
00dc5d76 | 1104 | goto finish; |
a16e1123 LP |
1105 | } |
1106 | } | |
37d88da7 | 1107 | |
00dc5d76 LP |
1108 | assert(target->meta.load_state == UNIT_LOADED); |
1109 | ||
fa0f4d8a | 1110 | if (arg_action == ACTION_TEST) { |
40d50879 | 1111 | printf("-> By units:\n"); |
a16e1123 LP |
1112 | manager_dump_units(m, stdout, "\t"); |
1113 | } | |
1114 | ||
0ff4cdd9 | 1115 | if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) { |
398ef8ba LP |
1116 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1117 | dbus_error_free(&error); | |
37d88da7 LP |
1118 | goto finish; |
1119 | } | |
60918275 | 1120 | |
fa0f4d8a | 1121 | if (arg_action == ACTION_TEST) { |
40d50879 | 1122 | printf("-> By jobs:\n"); |
a16e1123 | 1123 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1124 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1125 | goto finish; |
1126 | } | |
e965d56d | 1127 | } |
d46de8a1 | 1128 | |
a16e1123 LP |
1129 | for (;;) { |
1130 | if ((r = manager_loop(m)) < 0) { | |
1131 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1132 | goto finish; | |
1133 | } | |
11dd41ce | 1134 | |
a16e1123 | 1135 | switch (m->exit_code) { |
e965d56d | 1136 | |
a16e1123 | 1137 | case MANAGER_EXIT: |
22f4096c | 1138 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1139 | log_debug("Exit."); |
1140 | goto finish; | |
e965d56d | 1141 | |
a16e1123 | 1142 | case MANAGER_RELOAD: |
e015090f | 1143 | log_info("Reloading."); |
a16e1123 LP |
1144 | if ((r = manager_reload(m)) < 0) |
1145 | log_error("Failed to reload: %s", strerror(-r)); | |
1146 | break; | |
cea8e32e | 1147 | |
a16e1123 | 1148 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1149 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1150 | goto finish; | |
60918275 | 1151 | |
a16e1123 | 1152 | reexecute = true; |
e015090f | 1153 | log_notice("Reexecuting."); |
a16e1123 LP |
1154 | goto finish; |
1155 | ||
b9080b03 FF |
1156 | case MANAGER_REBOOT: |
1157 | case MANAGER_POWEROFF: | |
1158 | case MANAGER_HALT: | |
1159 | case MANAGER_KEXEC: { | |
1160 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1161 | [MANAGER_REBOOT] = "reboot", | |
1162 | [MANAGER_POWEROFF] = "poweroff", | |
1163 | [MANAGER_HALT] = "halt", | |
1164 | [MANAGER_KEXEC] = "kexec" | |
1165 | }; | |
1166 | ||
1167 | assert_se(shutdown_verb = table[m->exit_code]); | |
1168 | ||
1169 | log_notice("Shutting down."); | |
1170 | goto finish; | |
1171 | } | |
1172 | ||
a16e1123 LP |
1173 | default: |
1174 | assert_not_reached("Unknown exit code."); | |
1175 | } | |
1176 | } | |
f170852a | 1177 | |
60918275 LP |
1178 | finish: |
1179 | if (m) | |
1180 | manager_free(m); | |
1181 | ||
fa0f4d8a | 1182 | free(arg_default_unit); |
b2bb3dbe | 1183 | free(arg_console); |
b9cd2ec1 | 1184 | |
ea430986 LP |
1185 | dbus_shutdown(); |
1186 | ||
b2bb3dbe LP |
1187 | label_finish(); |
1188 | ||
a16e1123 | 1189 | if (reexecute) { |
6e98720f | 1190 | const char *args[15]; |
a16e1123 LP |
1191 | unsigned i = 0; |
1192 | char sfd[16]; | |
1193 | ||
1194 | assert(serialization); | |
1195 | assert(fds); | |
1196 | ||
1197 | args[i++] = SYSTEMD_BINARY_PATH; | |
1198 | ||
1199 | args[i++] = "--log-level"; | |
1200 | args[i++] = log_level_to_string(log_get_max_level()); | |
1201 | ||
1202 | args[i++] = "--log-target"; | |
1203 | args[i++] = log_target_to_string(log_get_target()); | |
1204 | ||
edb9aaa8 LP |
1205 | if (arg_running_as == MANAGER_SYSTEM) |
1206 | args[i++] = "--system"; | |
1207 | else | |
1208 | args[i++] = "--session"; | |
1209 | ||
1210 | if (arg_dump_core) | |
1211 | args[i++] = "--dump-core"; | |
1212 | ||
1213 | if (arg_crash_shell) | |
1214 | args[i++] = "--crash-shell"; | |
1215 | ||
1216 | if (arg_confirm_spawn) | |
1217 | args[i++] = "--confirm-spawn"; | |
1218 | ||
1219 | if (arg_show_status) | |
6e98720f LP |
1220 | args[i++] = "--show-status=1"; |
1221 | else | |
1222 | args[i++] = "--show-status=0"; | |
1223 | ||
07459bb6 | 1224 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
1225 | if (arg_sysv_console) |
1226 | args[i++] = "--sysv-console=1"; | |
1227 | else | |
1228 | args[i++] = "--sysv-console=0"; | |
07459bb6 | 1229 | #endif |
a16e1123 LP |
1230 | |
1231 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1232 | char_array_0(sfd); | |
1233 | ||
1234 | args[i++] = "--deserialize"; | |
1235 | args[i++] = sfd; | |
1236 | ||
a16e1123 LP |
1237 | args[i++] = NULL; |
1238 | ||
1239 | assert(i <= ELEMENTSOF(args)); | |
1240 | ||
1241 | execv(args[0], (char* const*) args); | |
1242 | ||
1243 | log_error("Failed to reexecute: %m"); | |
1244 | } | |
1245 | ||
1246 | if (serialization) | |
1247 | fclose(serialization); | |
1248 | ||
1249 | if (fds) | |
1250 | fdset_free(fds); | |
1251 | ||
b9080b03 FF |
1252 | if (shutdown_verb) { |
1253 | const char * command_line[] = { | |
1254 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1255 | shutdown_verb, | |
1256 | NULL | |
1257 | }; | |
1258 | ||
1259 | execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line); | |
1260 | log_error("Failed to execute shutdown binary, freezing: %m"); | |
1261 | } | |
1262 | ||
c3b3c274 LP |
1263 | if (getpid() == 1) |
1264 | freeze(); | |
1265 | ||
60918275 LP |
1266 | return retval; |
1267 | } |