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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
60918275 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
ea430986 LP |
22 | #include <dbus/dbus.h> |
23 | ||
60918275 LP |
24 | #include <stdio.h> |
25 | #include <errno.h> | |
26 | #include <string.h> | |
16354eff | 27 | #include <unistd.h> |
4ade7963 LP |
28 | #include <sys/types.h> |
29 | #include <sys/stat.h> | |
f170852a | 30 | #include <getopt.h> |
97c4f35c | 31 | #include <signal.h> |
4fc935ca | 32 | #include <sys/wait.h> |
80876c20 | 33 | #include <fcntl.h> |
f3b6a3ed | 34 | #include <sys/prctl.h> |
60918275 LP |
35 | |
36 | #include "manager.h" | |
16354eff | 37 | #include "log.h" |
4ade7963 | 38 | #include "mount-setup.h" |
302e8c4c | 39 | #include "hostname-setup.h" |
af5bc85d | 40 | #include "loopback-setup.h" |
11c3a4ee | 41 | #include "kmod-setup.h" |
72bca11b | 42 | #include "locale-setup.h" |
c4dcdb9f | 43 | #include "selinux-setup.h" |
81611586 | 44 | #include "ima-setup.h" |
d7ccca2e | 45 | #include "machine-id-setup.h" |
302e8c4c | 46 | #include "load-fragment.h" |
a16e1123 | 47 | #include "fdset.h" |
514f4ef5 | 48 | #include "special.h" |
487393e9 | 49 | #include "conf-parser.h" |
398ef8ba | 50 | #include "bus-errors.h" |
ad780f19 | 51 | #include "missing.h" |
e51bc1a2 | 52 | #include "label.h" |
302e27c8 | 53 | #include "build.h" |
06d4c99a | 54 | #include "strv.h" |
f6a6225e | 55 | #include "def.h" |
b52aae1d | 56 | #include "virt.h" |
60918275 | 57 | |
f170852a LP |
58 | static enum { |
59 | ACTION_RUN, | |
e965d56d | 60 | ACTION_HELP, |
e537352b | 61 | ACTION_TEST, |
4288f619 LP |
62 | ACTION_DUMP_CONFIGURATION_ITEMS, |
63 | ACTION_DONE | |
fa0f4d8a | 64 | } arg_action = ACTION_RUN; |
f170852a | 65 | |
fa0f4d8a LP |
66 | static char *arg_default_unit = NULL; |
67 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; | |
68 | ||
69 | static bool arg_dump_core = true; | |
70 | static bool arg_crash_shell = false; | |
71 | static int arg_crash_chvt = -1; | |
72 | static bool arg_confirm_spawn = false; | |
9e58ff9c | 73 | static bool arg_show_status = true; |
07459bb6 | 74 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 75 | static bool arg_sysv_console = true; |
07459bb6 | 76 | #endif |
d3689161 | 77 | static bool arg_mount_auto = true; |
173a8d04 | 78 | static bool arg_swap_auto = true; |
06d4c99a | 79 | static char **arg_default_controllers = NULL; |
0c85a4f3 | 80 | static char ***arg_join_controllers = NULL; |
706343f4 | 81 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 82 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
4fc935ca | 83 | |
a16e1123 | 84 | static FILE* serialization = NULL; |
80876c20 | 85 | |
6f5e3f35 LP |
86 | static void nop_handler(int sig) { |
87 | } | |
88 | ||
93a46b0b | 89 | _noreturn_ static void crash(int sig) { |
97c4f35c | 90 | |
fa0f4d8a | 91 | if (!arg_dump_core) |
582a507f | 92 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 93 | else { |
6f5e3f35 | 94 | struct sigaction sa; |
97c4f35c LP |
95 | pid_t pid; |
96 | ||
6f5e3f35 LP |
97 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
98 | zero(sa); | |
99 | sa.sa_handler = nop_handler; | |
100 | sa.sa_flags = SA_NOCLDSTOP|SA_RESTART; | |
101 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
102 | ||
97c4f35c | 103 | if ((pid = fork()) < 0) |
582a507f | 104 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
105 | |
106 | else if (pid == 0) { | |
97c4f35c LP |
107 | struct rlimit rl; |
108 | ||
109 | /* Enable default signal handler for core dump */ | |
110 | zero(sa); | |
111 | sa.sa_handler = SIG_DFL; | |
112 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
113 | ||
114 | /* Don't limit the core dump size */ | |
115 | zero(rl); | |
116 | rl.rlim_cur = RLIM_INFINITY; | |
117 | rl.rlim_max = RLIM_INFINITY; | |
118 | setrlimit(RLIMIT_CORE, &rl); | |
119 | ||
120 | /* Just to be sure... */ | |
121 | assert_se(chdir("/") == 0); | |
122 | ||
123 | /* Raise the signal again */ | |
124 | raise(sig); | |
125 | ||
126 | assert_not_reached("We shouldn't be here..."); | |
127 | _exit(1); | |
4fc935ca LP |
128 | |
129 | } else { | |
8e12a6ae LP |
130 | siginfo_t status; |
131 | int r; | |
4fc935ca LP |
132 | |
133 | /* Order things nicely. */ | |
8e12a6ae LP |
134 | if ((r = wait_for_terminate(pid, &status)) < 0) |
135 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r)); | |
136 | else if (status.si_code != CLD_DUMPED) | |
582a507f | 137 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 138 | else |
582a507f | 139 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
140 | } |
141 | } | |
142 | ||
fa0f4d8a LP |
143 | if (arg_crash_chvt) |
144 | chvt(arg_crash_chvt); | |
601f6a1e | 145 | |
fa0f4d8a | 146 | if (arg_crash_shell) { |
6f5e3f35 LP |
147 | struct sigaction sa; |
148 | pid_t pid; | |
8c43883a | 149 | |
4fc935ca LP |
150 | log_info("Executing crash shell in 10s..."); |
151 | sleep(10); | |
152 | ||
6f5e3f35 LP |
153 | /* Let the kernel reap children for us */ |
154 | zero(sa); | |
155 | sa.sa_handler = SIG_IGN; | |
156 | sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART; | |
157 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); | |
8c43883a | 158 | |
6f5e3f35 LP |
159 | if ((pid = fork()) < 0) |
160 | log_error("Failed to fork off crash shell: %s", strerror(errno)); | |
161 | else if (pid == 0) { | |
843d2643 | 162 | int fd, r; |
ea5652c2 | 163 | |
21de3988 | 164 | if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0) |
ea5652c2 | 165 | log_error("Failed to acquire terminal: %s", strerror(-fd)); |
5b2a0903 | 166 | else if ((r = make_stdio(fd)) < 0) |
843d2643 | 167 | log_error("Failed to duplicate terminal fd: %s", strerror(-r)); |
ea5652c2 | 168 | |
6f5e3f35 LP |
169 | execl("/bin/sh", "/bin/sh", NULL); |
170 | ||
171 | log_error("execl() failed: %s", strerror(errno)); | |
172 | _exit(1); | |
173 | } | |
c99b188e | 174 | |
f8e08a77 | 175 | log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
176 | } |
177 | ||
178 | log_info("Freezing execution."); | |
97c4f35c LP |
179 | freeze(); |
180 | } | |
181 | ||
182 | static void install_crash_handler(void) { | |
183 | struct sigaction sa; | |
184 | ||
185 | zero(sa); | |
186 | ||
187 | sa.sa_handler = crash; | |
188 | sa.sa_flags = SA_NODEFER; | |
189 | ||
1b91d3e8 | 190 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 191 | } |
f170852a | 192 | |
843d2643 LP |
193 | static int console_setup(bool do_reset) { |
194 | int tty_fd, r; | |
80876c20 | 195 | |
843d2643 LP |
196 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
197 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 198 | |
843d2643 LP |
199 | release_terminal(); |
200 | ||
201 | if (!do_reset) | |
202 | return 0; | |
80876c20 | 203 | |
512947d4 MS |
204 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
205 | if (tty_fd < 0) { | |
843d2643 LP |
206 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); |
207 | return -tty_fd; | |
208 | } | |
80876c20 | 209 | |
512947d4 MS |
210 | /* We don't want to force text mode. |
211 | * plymouth may be showing pictures already from initrd. */ | |
212 | r = reset_terminal_fd(tty_fd, false); | |
213 | if (r < 0) | |
843d2643 LP |
214 | log_error("Failed to reset /dev/console: %s", strerror(-r)); |
215 | ||
216 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
217 | return r; |
218 | } | |
219 | ||
f170852a LP |
220 | static int set_default_unit(const char *u) { |
221 | char *c; | |
222 | ||
223 | assert(u); | |
224 | ||
225 | if (!(c = strdup(u))) | |
226 | return -ENOMEM; | |
227 | ||
fa0f4d8a LP |
228 | free(arg_default_unit); |
229 | arg_default_unit = c; | |
f170852a LP |
230 | return 0; |
231 | } | |
232 | ||
233 | static int parse_proc_cmdline_word(const char *word) { | |
234 | ||
235 | static const char * const rlmap[] = { | |
ed370f5d | 236 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 237 | "-b", SPECIAL_EMERGENCY_TARGET, |
ed370f5d LP |
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) | |
509b6efb | 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) | |
509b6efb | 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) | |
509b6efb | 294 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); |
5e7ee61c | 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) | |
509b6efb | 302 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19); |
601f6a1e | 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) | |
509b6efb | 310 | log_warning("Failed to parse show status switch %s. Ignoring.", word + 20); |
6e98720f | 311 | else |
9e58ff9c | 312 | arg_show_status = r; |
0a494f1f LP |
313 | } else if (startswith(word, "systemd.default_standard_output=")) { |
314 | int r; | |
315 | ||
316 | if ((r = exec_output_from_string(word + 32)) < 0) | |
509b6efb | 317 | log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); |
0a494f1f LP |
318 | else |
319 | arg_default_std_output = r; | |
320 | } else if (startswith(word, "systemd.default_standard_error=")) { | |
321 | int r; | |
322 | ||
323 | if ((r = exec_output_from_string(word + 31)) < 0) | |
509b6efb | 324 | log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); |
0a494f1f LP |
325 | else |
326 | arg_default_std_error = r; | |
9e7c5357 WD |
327 | } else if (startswith(word, "systemd.setenv=")) { |
328 | char *cenv, *eq; | |
329 | int r; | |
330 | ||
331 | cenv = strdup(word + 15); | |
332 | if (!cenv) | |
333 | return -ENOMEM; | |
334 | ||
335 | eq = strchr(cenv, '='); | |
336 | if (!eq) { | |
337 | r = unsetenv(cenv); | |
338 | if (r < 0) | |
339 | log_warning("unsetenv failed %s. Ignoring.", strerror(errno)); | |
340 | } else { | |
341 | *eq = 0; | |
342 | r = setenv(cenv, eq + 1, 1); | |
343 | if (r < 0) | |
344 | log_warning("setenv failed %s. Ignoring.", strerror(errno)); | |
345 | } | |
346 | free(cenv); | |
07459bb6 | 347 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
348 | } else if (startswith(word, "systemd.sysv_console=")) { |
349 | int r; | |
350 | ||
351 | if ((r = parse_boolean(word + 21)) < 0) | |
509b6efb | 352 | log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20); |
6e98720f LP |
353 | else |
354 | arg_sysv_console = r; | |
07459bb6 | 355 | #endif |
9e58ff9c | 356 | |
4fc935ca LP |
357 | } else if (startswith(word, "systemd.")) { |
358 | ||
359 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
360 | ||
bbe63281 LP |
361 | log_info("Supported kernel switches:\n" |
362 | "systemd.unit=UNIT Default unit to start\n" | |
bbe63281 | 363 | "systemd.dump_core=0|1 Dump core on crash\n" |
9e58ff9c | 364 | "systemd.crash_shell=0|1 Run shell on crash\n" |
bbe63281 | 365 | "systemd.crash_chvt=N Change to VT #N on crash\n" |
9e58ff9c | 366 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" |
6e98720f | 367 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" |
07459bb6 | 368 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 369 | "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n" |
07459bb6 | 370 | #endif |
4cfa2c99 | 371 | "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n" |
6e98720f LP |
372 | " Log target\n" |
373 | "systemd.log_level=LEVEL Log level\n" | |
374 | "systemd.log_color=0|1 Highlight important log messages\n" | |
0a494f1f | 375 | "systemd.log_location=0|1 Include code location in log messages\n" |
706343f4 | 376 | "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 377 | " Set default log output for services\n" |
706343f4 | 378 | "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" |
0a494f1f | 379 | " Set default log error output for services\n"); |
4fc935ca | 380 | |
a9c501a5 | 381 | } else if (streq(word, "quiet")) { |
6e98720f | 382 | arg_show_status = false; |
07459bb6 | 383 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 384 | arg_sysv_console = false; |
07459bb6 | 385 | #endif |
9e58ff9c | 386 | } else { |
f170852a LP |
387 | unsigned i; |
388 | ||
389 | /* SysV compatibility */ | |
f170852a LP |
390 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
391 | if (streq(word, rlmap[i])) | |
392 | return set_default_unit(rlmap[i+1]); | |
393 | } | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
f975e971 | 398 | static int config_parse_level2( |
487393e9 LP |
399 | const char *filename, |
400 | unsigned line, | |
401 | const char *section, | |
402 | const char *lvalue, | |
3731f1ea | 403 | int ltype, |
487393e9 LP |
404 | const char *rvalue, |
405 | void *data, | |
406 | void *userdata) { | |
407 | ||
408 | assert(filename); | |
409 | assert(lvalue); | |
410 | assert(rvalue); | |
411 | ||
412 | log_set_max_level_from_string(rvalue); | |
413 | return 0; | |
414 | } | |
415 | ||
416 | static int config_parse_target( | |
417 | const char *filename, | |
418 | unsigned line, | |
419 | const char *section, | |
420 | const char *lvalue, | |
3731f1ea | 421 | int ltype, |
487393e9 LP |
422 | const char *rvalue, |
423 | void *data, | |
424 | void *userdata) { | |
425 | ||
426 | assert(filename); | |
427 | assert(lvalue); | |
428 | assert(rvalue); | |
429 | ||
430 | log_set_target_from_string(rvalue); | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static int config_parse_color( | |
435 | const char *filename, | |
436 | unsigned line, | |
437 | const char *section, | |
438 | const char *lvalue, | |
3731f1ea | 439 | int ltype, |
487393e9 LP |
440 | const char *rvalue, |
441 | void *data, | |
442 | void *userdata) { | |
443 | ||
444 | assert(filename); | |
445 | assert(lvalue); | |
446 | assert(rvalue); | |
447 | ||
448 | log_show_color_from_string(rvalue); | |
449 | return 0; | |
450 | } | |
451 | ||
452 | static int config_parse_location( | |
453 | const char *filename, | |
454 | unsigned line, | |
455 | const char *section, | |
456 | const char *lvalue, | |
3731f1ea | 457 | int ltype, |
487393e9 LP |
458 | const char *rvalue, |
459 | void *data, | |
460 | void *userdata) { | |
461 | ||
462 | assert(filename); | |
463 | assert(lvalue); | |
464 | assert(rvalue); | |
465 | ||
466 | log_show_location_from_string(rvalue); | |
467 | return 0; | |
468 | } | |
469 | ||
f975e971 | 470 | static int config_parse_cpu_affinity2( |
487393e9 LP |
471 | const char *filename, |
472 | unsigned line, | |
473 | const char *section, | |
474 | const char *lvalue, | |
3731f1ea | 475 | int ltype, |
487393e9 LP |
476 | const char *rvalue, |
477 | void *data, | |
478 | void *userdata) { | |
479 | ||
480 | char *w; | |
481 | size_t l; | |
482 | char *state; | |
483 | cpu_set_t *c = NULL; | |
484 | unsigned ncpus = 0; | |
485 | ||
486 | assert(filename); | |
487 | assert(lvalue); | |
488 | assert(rvalue); | |
489 | ||
f60f22df | 490 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
491 | char *t; |
492 | int r; | |
493 | unsigned cpu; | |
494 | ||
495 | if (!(t = strndup(w, l))) | |
496 | return -ENOMEM; | |
497 | ||
498 | r = safe_atou(t, &cpu); | |
499 | free(t); | |
500 | ||
501 | if (!c) | |
502 | if (!(c = cpu_set_malloc(&ncpus))) | |
503 | return -ENOMEM; | |
504 | ||
505 | if (r < 0 || cpu >= ncpus) { | |
506 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
507 | CPU_FREE(c); | |
508 | return -EBADMSG; | |
509 | } | |
510 | ||
511 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
512 | } | |
513 | ||
514 | if (c) { | |
515 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
516 | log_warning("Failed to set CPU affinity: %m"); | |
517 | ||
518 | CPU_FREE(c); | |
519 | } | |
520 | ||
521 | return 0; | |
522 | } | |
523 | ||
0c85a4f3 LP |
524 | static void strv_free_free(char ***l) { |
525 | char ***i; | |
526 | ||
527 | if (!l) | |
528 | return; | |
529 | ||
530 | for (i = l; *i; i++) | |
531 | strv_free(*i); | |
532 | ||
533 | free(l); | |
534 | } | |
535 | ||
536 | static void free_join_controllers(void) { | |
537 | if (!arg_join_controllers) | |
538 | return; | |
539 | ||
540 | strv_free_free(arg_join_controllers); | |
541 | arg_join_controllers = NULL; | |
542 | } | |
543 | ||
544 | static int config_parse_join_controllers( | |
545 | const char *filename, | |
546 | unsigned line, | |
547 | const char *section, | |
548 | const char *lvalue, | |
549 | int ltype, | |
550 | const char *rvalue, | |
551 | void *data, | |
552 | void *userdata) { | |
553 | ||
554 | unsigned n = 0; | |
555 | char *state, *w; | |
556 | size_t length; | |
557 | ||
558 | assert(filename); | |
559 | assert(lvalue); | |
560 | assert(rvalue); | |
561 | ||
562 | free_join_controllers(); | |
563 | ||
564 | FOREACH_WORD_QUOTED(w, length, rvalue, state) { | |
565 | char *s, **l; | |
566 | ||
567 | s = strndup(w, length); | |
568 | if (!s) | |
569 | return -ENOMEM; | |
570 | ||
571 | l = strv_split(s, ","); | |
572 | free(s); | |
573 | ||
574 | strv_uniq(l); | |
575 | ||
576 | if (strv_length(l) <= 1) { | |
577 | strv_free(l); | |
578 | continue; | |
579 | } | |
580 | ||
581 | if (!arg_join_controllers) { | |
582 | arg_join_controllers = new(char**, 2); | |
583 | if (!arg_join_controllers) { | |
584 | strv_free(l); | |
585 | return -ENOMEM; | |
586 | } | |
587 | ||
588 | arg_join_controllers[0] = l; | |
589 | arg_join_controllers[1] = NULL; | |
590 | ||
591 | n = 1; | |
592 | } else { | |
593 | char ***a; | |
594 | char ***t; | |
595 | ||
596 | t = new0(char**, n+2); | |
597 | if (!t) { | |
598 | strv_free(l); | |
599 | return -ENOMEM; | |
600 | } | |
601 | ||
602 | n = 0; | |
603 | ||
604 | for (a = arg_join_controllers; *a; a++) { | |
605 | ||
606 | if (strv_overlap(*a, l)) { | |
607 | char **c; | |
608 | ||
609 | c = strv_merge(*a, l); | |
610 | if (!c) { | |
611 | strv_free(l); | |
612 | strv_free_free(t); | |
613 | return -ENOMEM; | |
614 | } | |
615 | ||
616 | strv_free(l); | |
617 | l = c; | |
618 | } else { | |
619 | char **c; | |
620 | ||
621 | c = strv_copy(*a); | |
622 | if (!c) { | |
623 | strv_free(l); | |
624 | strv_free_free(t); | |
625 | return -ENOMEM; | |
626 | } | |
627 | ||
628 | t[n++] = c; | |
629 | } | |
630 | } | |
631 | ||
632 | t[n++] = strv_uniq(l); | |
633 | ||
634 | strv_free_free(arg_join_controllers); | |
635 | arg_join_controllers = t; | |
636 | } | |
637 | } | |
638 | ||
639 | return 0; | |
640 | } | |
641 | ||
487393e9 LP |
642 | static int parse_config_file(void) { |
643 | ||
f975e971 LP |
644 | const ConfigTableItem items[] = { |
645 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, | |
646 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
647 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
648 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
649 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
650 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
651 | { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status }, | |
07459bb6 | 652 | #ifdef HAVE_SYSV_COMPAT |
f975e971 | 653 | { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console }, |
07459bb6 | 654 | #endif |
f975e971 LP |
655 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, |
656 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
657 | { "Manager", "MountAuto", config_parse_bool, 0, &arg_mount_auto }, | |
658 | { "Manager", "SwapAuto", config_parse_bool, 0, &arg_swap_auto }, | |
659 | { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers }, | |
660 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, | |
661 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
0c85a4f3 | 662 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, |
f975e971 | 663 | { NULL, NULL, NULL, 0, NULL } |
487393e9 LP |
664 | }; |
665 | ||
666 | FILE *f; | |
667 | const char *fn; | |
668 | int r; | |
669 | ||
af2d49f7 | 670 | fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE; |
f975e971 LP |
671 | f = fopen(fn, "re"); |
672 | if (!f) { | |
487393e9 LP |
673 | if (errno == ENOENT) |
674 | return 0; | |
675 | ||
676 | log_warning("Failed to open configuration file '%s': %m", fn); | |
677 | return 0; | |
678 | } | |
679 | ||
f975e971 LP |
680 | r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL); |
681 | if (r < 0) | |
487393e9 LP |
682 | log_warning("Failed to parse configuration file: %s", strerror(-r)); |
683 | ||
684 | fclose(f); | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
f170852a | 689 | static int parse_proc_cmdline(void) { |
52661efd | 690 | char *line, *w, *state; |
f170852a | 691 | int r; |
f170852a | 692 | size_t l; |
f170852a | 693 | |
b770165a LP |
694 | /* Don't read /proc/cmdline if we are in a container, since |
695 | * that is only relevant for the host system */ | |
696 | if (detect_container(NULL) > 0) | |
697 | return 0; | |
698 | ||
f170852a | 699 | if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) { |
e364ad06 | 700 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
701 | return 0; |
702 | } | |
703 | ||
704 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
705 | char *word; | |
706 | ||
707 | if (!(word = strndup(w, l))) { | |
708 | r = -ENOMEM; | |
709 | goto finish; | |
710 | } | |
711 | ||
712 | r = parse_proc_cmdline_word(word); | |
713 | free(word); | |
714 | ||
715 | if (r < 0) | |
716 | goto finish; | |
717 | } | |
718 | ||
719 | r = 0; | |
720 | ||
721 | finish: | |
722 | free(line); | |
723 | return r; | |
724 | } | |
725 | ||
726 | static int parse_argv(int argc, char *argv[]) { | |
727 | ||
728 | enum { | |
729 | ARG_LOG_LEVEL = 0x100, | |
730 | ARG_LOG_TARGET, | |
bbe63281 LP |
731 | ARG_LOG_COLOR, |
732 | ARG_LOG_LOCATION, | |
2f198e2f | 733 | ARG_UNIT, |
edb9aaa8 | 734 | ARG_SYSTEM, |
af2d49f7 | 735 | ARG_USER, |
e537352b | 736 | ARG_TEST, |
80876c20 | 737 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
738 | ARG_DUMP_CORE, |
739 | ARG_CRASH_SHELL, | |
a16e1123 | 740 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 741 | ARG_SHOW_STATUS, |
6e98720f | 742 | ARG_SYSV_CONSOLE, |
4288f619 | 743 | ARG_DESERIALIZE, |
0a494f1f LP |
744 | ARG_INTROSPECT, |
745 | ARG_DEFAULT_STD_OUTPUT, | |
746 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
747 | }; |
748 | ||
749 | static const struct option options[] = { | |
a16e1123 LP |
750 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
751 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
752 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
753 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 754 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 755 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 756 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 LP |
757 | { "test", no_argument, NULL, ARG_TEST }, |
758 | { "help", no_argument, NULL, 'h' }, | |
759 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, | |
9e58ff9c LP |
760 | { "dump-core", no_argument, NULL, ARG_DUMP_CORE }, |
761 | { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL }, | |
a16e1123 | 762 | { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 763 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
07459bb6 | 764 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 765 | { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE }, |
07459bb6 | 766 | #endif |
a16e1123 | 767 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
4288f619 | 768 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
0a494f1f LP |
769 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
770 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
a16e1123 | 771 | { NULL, 0, NULL, 0 } |
f170852a LP |
772 | }; |
773 | ||
774 | int c, r; | |
775 | ||
776 | assert(argc >= 1); | |
777 | assert(argv); | |
778 | ||
b770165a LP |
779 | if (getpid() == 1) |
780 | opterr = 0; | |
781 | ||
099663ff | 782 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
783 | |
784 | switch (c) { | |
785 | ||
786 | case ARG_LOG_LEVEL: | |
787 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
788 | log_error("Failed to parse log level %s.", optarg); | |
789 | return r; | |
790 | } | |
791 | ||
792 | break; | |
793 | ||
794 | case ARG_LOG_TARGET: | |
795 | ||
796 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
797 | log_error("Failed to parse log target %s.", optarg); | |
798 | return r; | |
799 | } | |
800 | ||
801 | break; | |
802 | ||
bbe63281 LP |
803 | case ARG_LOG_COLOR: |
804 | ||
d0b170c8 LP |
805 | if (optarg) { |
806 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
807 | log_error("Failed to parse log color setting %s.", optarg); | |
808 | return r; | |
809 | } | |
810 | } else | |
811 | log_show_color(true); | |
bbe63281 LP |
812 | |
813 | break; | |
814 | ||
815 | case ARG_LOG_LOCATION: | |
816 | ||
d0b170c8 LP |
817 | if (optarg) { |
818 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
819 | log_error("Failed to parse log location setting %s.", optarg); | |
820 | return r; | |
821 | } | |
822 | } else | |
823 | log_show_location(true); | |
bbe63281 LP |
824 | |
825 | break; | |
826 | ||
0a494f1f LP |
827 | case ARG_DEFAULT_STD_OUTPUT: |
828 | ||
829 | if ((r = exec_output_from_string(optarg)) < 0) { | |
830 | log_error("Failed to parse default standard output setting %s.", optarg); | |
831 | return r; | |
832 | } else | |
833 | arg_default_std_output = r; | |
834 | break; | |
835 | ||
836 | case ARG_DEFAULT_STD_ERROR: | |
837 | ||
838 | if ((r = exec_output_from_string(optarg)) < 0) { | |
839 | log_error("Failed to parse default standard error output setting %s.", optarg); | |
840 | return r; | |
841 | } else | |
842 | arg_default_std_error = r; | |
843 | break; | |
844 | ||
2f198e2f | 845 | case ARG_UNIT: |
f170852a LP |
846 | |
847 | if ((r = set_default_unit(optarg)) < 0) { | |
848 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
849 | return r; | |
850 | } | |
851 | ||
852 | break; | |
853 | ||
edb9aaa8 LP |
854 | case ARG_SYSTEM: |
855 | arg_running_as = MANAGER_SYSTEM; | |
856 | break; | |
a5dab5ce | 857 | |
af2d49f7 LP |
858 | case ARG_USER: |
859 | arg_running_as = MANAGER_USER; | |
a5dab5ce | 860 | break; |
a5dab5ce | 861 | |
e965d56d | 862 | case ARG_TEST: |
fa0f4d8a | 863 | arg_action = ACTION_TEST; |
e965d56d LP |
864 | break; |
865 | ||
e537352b | 866 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 867 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
868 | break; |
869 | ||
9e58ff9c LP |
870 | case ARG_DUMP_CORE: |
871 | arg_dump_core = true; | |
872 | break; | |
873 | ||
874 | case ARG_CRASH_SHELL: | |
875 | arg_crash_shell = true; | |
876 | break; | |
877 | ||
80876c20 | 878 | case ARG_CONFIRM_SPAWN: |
fa0f4d8a | 879 | arg_confirm_spawn = true; |
80876c20 LP |
880 | break; |
881 | ||
9e58ff9c | 882 | case ARG_SHOW_STATUS: |
6e98720f LP |
883 | |
884 | if (optarg) { | |
885 | if ((r = parse_boolean(optarg)) < 0) { | |
886 | log_error("Failed to show status boolean %s.", optarg); | |
887 | return r; | |
888 | } | |
889 | arg_show_status = r; | |
890 | } else | |
891 | arg_show_status = true; | |
892 | break; | |
07459bb6 | 893 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
894 | case ARG_SYSV_CONSOLE: |
895 | ||
896 | if (optarg) { | |
897 | if ((r = parse_boolean(optarg)) < 0) { | |
898 | log_error("Failed to SysV console boolean %s.", optarg); | |
899 | return r; | |
900 | } | |
901 | arg_sysv_console = r; | |
902 | } else | |
903 | arg_sysv_console = true; | |
9e58ff9c | 904 | break; |
07459bb6 | 905 | #endif |
9e58ff9c | 906 | |
a16e1123 LP |
907 | case ARG_DESERIALIZE: { |
908 | int fd; | |
909 | FILE *f; | |
910 | ||
911 | if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) { | |
912 | log_error("Failed to parse deserialize option %s.", optarg); | |
913 | return r; | |
914 | } | |
915 | ||
916 | if (!(f = fdopen(fd, "r"))) { | |
917 | log_error("Failed to open serialization fd: %m"); | |
918 | return r; | |
919 | } | |
920 | ||
921 | if (serialization) | |
922 | fclose(serialization); | |
923 | ||
924 | serialization = f; | |
925 | ||
926 | break; | |
927 | } | |
928 | ||
4288f619 LP |
929 | case ARG_INTROSPECT: { |
930 | const char * const * i = NULL; | |
931 | ||
932 | for (i = bus_interface_table; *i; i += 2) | |
933 | if (!optarg || streq(i[0], optarg)) { | |
934 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
935 | "<node>\n", stdout); | |
936 | fputs(i[1], stdout); | |
937 | fputs("</node>\n", stdout); | |
938 | ||
939 | if (optarg) | |
940 | break; | |
941 | } | |
942 | ||
943 | if (!i[0] && optarg) | |
944 | log_error("Unknown interface %s.", optarg); | |
945 | ||
fa0f4d8a | 946 | arg_action = ACTION_DONE; |
4288f619 LP |
947 | break; |
948 | } | |
949 | ||
f170852a | 950 | case 'h': |
fa0f4d8a | 951 | arg_action = ACTION_HELP; |
f170852a LP |
952 | break; |
953 | ||
1d2e23ab LP |
954 | case 'D': |
955 | log_set_max_level(LOG_DEBUG); | |
956 | break; | |
957 | ||
099663ff LP |
958 | case 'b': |
959 | case 's': | |
960 | case 'z': | |
961 | /* Just to eat away the sysvinit kernel | |
962 | * cmdline args without getopt() error | |
963 | * messages that we'll parse in | |
964 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 965 | |
099663ff | 966 | case '?': |
f170852a | 967 | default: |
099663ff LP |
968 | if (getpid() != 1) { |
969 | log_error("Unknown option code %c", c); | |
970 | return -EINVAL; | |
971 | } | |
972 | ||
973 | break; | |
f170852a LP |
974 | } |
975 | ||
d821e6d6 LP |
976 | if (optind < argc && getpid() != 1) { |
977 | /* Hmm, when we aren't run as init system | |
978 | * let's complain about excess arguments */ | |
979 | ||
980 | log_error("Excess arguments."); | |
981 | return -EINVAL; | |
982 | } | |
983 | ||
984 | if (detect_container(NULL) > 0) { | |
985 | char **a; | |
986 | ||
987 | /* All /proc/cmdline arguments the kernel didn't | |
988 | * understand it passed to us. We're not really | |
989 | * interested in that usually since /proc/cmdline is | |
990 | * more interesting and complete. With one exception: | |
991 | * if we are run in a container /proc/cmdline is not | |
992 | * relevant for the container, hence we rely on argv[] | |
993 | * instead. */ | |
994 | ||
995 | for (a = argv; a < argv + argc; a++) | |
996 | if ((r = parse_proc_cmdline_word(*a)) < 0) | |
997 | return r; | |
51f0e189 LP |
998 | } |
999 | ||
f170852a LP |
1000 | return 0; |
1001 | } | |
1002 | ||
1003 | static int help(void) { | |
1004 | ||
2e33c433 | 1005 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 1006 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 1007 | " -h --help Show this help\n" |
e537352b | 1008 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 1009 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 1010 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 1011 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 1012 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 1013 | " --user Run a user instance\n" |
9e58ff9c LP |
1014 | " --dump-core Dump core on crash\n" |
1015 | " --crash-shell Run shell on crash\n" | |
1016 | " --confirm-spawn Ask for confirmation when spawning processes\n" | |
6e98720f | 1017 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
07459bb6 | 1018 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 1019 | " --sysv-console[=0|1] Connect output of SysV scripts to console\n" |
07459bb6 | 1020 | #endif |
4cfa2c99 | 1021 | " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 1022 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 1023 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
1024 | " --log-location[=0|1] Include code location in log messages\n" |
1025 | " --default-standard-output= Set default standard output for services\n" | |
1026 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1027 | program_invocation_short_name); |
f170852a LP |
1028 | |
1029 | return 0; | |
1030 | } | |
1031 | ||
a16e1123 LP |
1032 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) { |
1033 | FILE *f = NULL; | |
1034 | FDSet *fds = NULL; | |
1035 | int r; | |
1036 | ||
1037 | assert(m); | |
1038 | assert(_f); | |
1039 | assert(_fds); | |
1040 | ||
a7556052 LP |
1041 | /* Make sure nothing is really destructed when we shut down */ |
1042 | m->n_reloading ++; | |
1043 | ||
d8d5ab98 | 1044 | if ((r = manager_open_serialization(m, &f)) < 0) { |
35b8ca3a | 1045 | log_error("Failed to create serialization file: %s", strerror(-r)); |
a16e1123 LP |
1046 | goto fail; |
1047 | } | |
1048 | ||
1049 | if (!(fds = fdset_new())) { | |
1050 | r = -ENOMEM; | |
1051 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1052 | goto fail; | |
1053 | } | |
1054 | ||
1055 | if ((r = manager_serialize(m, f, fds)) < 0) { | |
1056 | log_error("Failed to serialize state: %s", strerror(-r)); | |
1057 | goto fail; | |
1058 | } | |
1059 | ||
1060 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
1061 | log_error("Failed to rewind serialization fd: %m"); | |
1062 | goto fail; | |
1063 | } | |
1064 | ||
1065 | if ((r = fd_cloexec(fileno(f), false)) < 0) { | |
1066 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); | |
1067 | goto fail; | |
1068 | } | |
1069 | ||
1070 | if ((r = fdset_cloexec(fds, false)) < 0) { | |
1071 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); | |
1072 | goto fail; | |
1073 | } | |
1074 | ||
1075 | *_f = f; | |
1076 | *_fds = fds; | |
1077 | ||
1078 | return 0; | |
1079 | ||
1080 | fail: | |
1081 | fdset_free(fds); | |
1082 | ||
1083 | if (f) | |
1084 | fclose(f); | |
1085 | ||
1086 | return r; | |
1087 | } | |
1088 | ||
e9ddabc2 LP |
1089 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
1090 | const char *e; | |
1091 | unsigned long long a, b; | |
1092 | ||
1093 | assert(t); | |
1094 | ||
1095 | if (!(e = getenv("RD_TIMESTAMP"))) | |
1096 | return NULL; | |
1097 | ||
1098 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
1099 | return NULL; | |
1100 | ||
1101 | t->realtime = (usec_t) a; | |
1102 | t->monotonic = (usec_t) b; | |
1103 | ||
1104 | return t; | |
1105 | } | |
1106 | ||
6ee5bbf8 LP |
1107 | static void test_mtab(void) { |
1108 | char *p; | |
1109 | ||
80758717 LP |
1110 | /* Check that /etc/mtab is a symlink */ |
1111 | ||
6ee5bbf8 LP |
1112 | if (readlink_malloc("/etc/mtab", &p) >= 0) { |
1113 | bool b; | |
1114 | ||
ed86ebc4 | 1115 | b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts"); |
6ee5bbf8 LP |
1116 | free(p); |
1117 | ||
1118 | if (b) | |
1119 | return; | |
1120 | } | |
1121 | ||
80758717 LP |
1122 | log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1123 | "This is not supported anymore. " | |
1124 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1125 | } | |
1126 | ||
1127 | static void test_usr(void) { | |
80758717 | 1128 | |
ed1c99fc | 1129 | /* Check that /usr is not a separate fs */ |
80758717 | 1130 | |
871c44a7 LP |
1131 | if (dir_is_empty("/usr") <= 0) |
1132 | return; | |
1133 | ||
2376ce13 | 1134 | log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1135 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1136 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1137 | } | |
1138 | ||
1139 | static void test_cgroups(void) { | |
1140 | ||
1141 | if (access("/proc/cgroups", F_OK) >= 0) | |
1142 | return; | |
1143 | ||
1144 | log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. " | |
1145 | "Systems without control groups are not supported. " | |
1146 | "We will now sleep for 10s, and then continue boot-up. " | |
1147 | "Expect breakage and please do not file bugs. " | |
1148 | "Instead fix your kernel and enable CONFIG_CGROUPS." ); | |
1149 | ||
1150 | sleep(10); | |
6ee5bbf8 LP |
1151 | } |
1152 | ||
60918275 LP |
1153 | int main(int argc, char *argv[]) { |
1154 | Manager *m = NULL; | |
22f4096c | 1155 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1156 | usec_t before_startup, after_startup; |
1157 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1158 | FDSet *fds = NULL; |
1159 | bool reexecute = false; | |
b9080b03 | 1160 | const char *shutdown_verb = NULL; |
e9ddabc2 | 1161 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
5d6b1584 | 1162 | static char systemd[] = "systemd"; |
0b3325e7 LP |
1163 | bool is_reexec = false; |
1164 | int j; | |
1165 | bool loaded_policy = false; | |
27b14a22 | 1166 | |
058dc6f3 | 1167 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1168 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1169 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1170 | * calling init as a user is identical to telinit. */ |
1171 | ||
1172 | errno = -ENOENT; | |
1173 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
1174 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
1175 | return 1; | |
1176 | } | |
058dc6f3 | 1177 | #endif |
2cb1a60d | 1178 | |
0b3325e7 LP |
1179 | /* Determine if this is a reexecution or normal bootup. We do |
1180 | * the full command line parsing much later, so let's just | |
1181 | * have a quick peek here. */ | |
1182 | ||
1183 | for (j = 1; j < argc; j++) | |
1184 | if (streq(argv[j], "--deserialize")) { | |
0b3325e7 | 1185 | is_reexec = true; |
7aaa27f2 | 1186 | break; |
0b3325e7 LP |
1187 | } |
1188 | ||
f3b6a3ed LP |
1189 | /* If we get started via the /sbin/init symlink then we are |
1190 | called 'init'. After a subsequent reexecution we are then | |
1191 | called 'systemd'. That is confusing, hence let's call us | |
1192 | systemd right-away. */ | |
f3b6a3ed LP |
1193 | program_invocation_short_name = systemd; |
1194 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1195 | |
9a0e6896 LP |
1196 | saved_argv = argv; |
1197 | saved_argc = argc; | |
f3b6a3ed | 1198 | |
2cc59dbf | 1199 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 1200 | log_show_location(false); |
7c706717 | 1201 | log_set_max_level(LOG_INFO); |
bbe63281 | 1202 | |
843d2643 | 1203 | if (getpid() == 1) { |
fa0f4d8a | 1204 | arg_running_as = MANAGER_SYSTEM; |
4cfa2c99 | 1205 | log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_JOURNAL_OR_KMSG); |
0ff4cdd9 | 1206 | |
81611586 | 1207 | if (!is_reexec) { |
0b3325e7 LP |
1208 | if (selinux_setup(&loaded_policy) < 0) |
1209 | goto finish; | |
81611586 RS |
1210 | if (ima_setup() < 0) |
1211 | goto finish; | |
1212 | } | |
0b3325e7 LP |
1213 | |
1214 | log_open(); | |
c4dcdb9f | 1215 | |
0ff4cdd9 LP |
1216 | if (label_init() < 0) |
1217 | goto finish; | |
7948c4df | 1218 | |
0b3325e7 LP |
1219 | if (!is_reexec) |
1220 | if (hwclock_is_localtime() > 0) { | |
1221 | int min; | |
7948c4df | 1222 | |
0b3325e7 LP |
1223 | r = hwclock_apply_localtime_delta(&min); |
1224 | if (r < 0) | |
1225 | log_error("Failed to apply local time delta, ignoring: %s", strerror(-r)); | |
1226 | else | |
1227 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
1228 | } | |
871e5809 | 1229 | |
bbe63281 | 1230 | } else { |
af2d49f7 | 1231 | arg_running_as = MANAGER_USER; |
eeecf6e6 | 1232 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1233 | log_open(); |
bbe63281 | 1234 | } |
a5dab5ce | 1235 | |
0c85a4f3 | 1236 | /* Initialize default unit */ |
f170852a LP |
1237 | if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0) |
1238 | goto finish; | |
60918275 | 1239 | |
0c85a4f3 LP |
1240 | /* By default, mount "cpu" and "cpuacct" together */ |
1241 | arg_join_controllers = new(char**, 2); | |
1242 | if (!arg_join_controllers) | |
1243 | goto finish; | |
1244 | ||
1245 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
1246 | arg_join_controllers[1] = NULL; | |
1247 | ||
1248 | if (!arg_join_controllers[0]) | |
1249 | goto finish; | |
1250 | ||
f170852a LP |
1251 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1252 | * /proc/$PID/fd is available. */ | |
0c85a4f3 LP |
1253 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1254 | r = mount_setup(loaded_policy); | |
1255 | if (r < 0) | |
8efe3c01 | 1256 | goto finish; |
0c85a4f3 | 1257 | } |
4ade7963 LP |
1258 | |
1259 | /* Reset all signal handlers. */ | |
1260 | assert_se(reset_all_signal_handlers() == 0); | |
1261 | ||
078e4539 | 1262 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 1263 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 1264 | |
487393e9 LP |
1265 | if (parse_config_file() < 0) |
1266 | goto finish; | |
1267 | ||
fa0f4d8a | 1268 | if (arg_running_as == MANAGER_SYSTEM) |
a5dab5ce LP |
1269 | if (parse_proc_cmdline() < 0) |
1270 | goto finish; | |
f170852a LP |
1271 | |
1272 | log_parse_environment(); | |
1273 | ||
1274 | if (parse_argv(argc, argv) < 0) | |
1275 | goto finish; | |
1276 | ||
b5c6cf87 LP |
1277 | if (arg_action == ACTION_TEST && geteuid() == 0) { |
1278 | log_error("Don't run test mode as root."); | |
1279 | goto finish; | |
1280 | } | |
1281 | ||
fe783b03 LP |
1282 | if (arg_running_as == MANAGER_SYSTEM && |
1283 | arg_action == ACTION_RUN && | |
1284 | running_in_chroot() > 0) { | |
1285 | log_error("Cannot be run in a chroot() environment."); | |
1286 | goto finish; | |
1287 | } | |
1288 | ||
fa0f4d8a | 1289 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1290 | retval = help(); |
1291 | goto finish; | |
fa0f4d8a | 1292 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1293 | unit_dump_config_items(stdout); |
22f4096c | 1294 | retval = EXIT_SUCCESS; |
e537352b | 1295 | goto finish; |
fa0f4d8a | 1296 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1297 | retval = EXIT_SUCCESS; |
4288f619 | 1298 | goto finish; |
f170852a LP |
1299 | } |
1300 | ||
fa0f4d8a | 1301 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1302 | |
871e5809 LP |
1303 | /* Close logging fds, in order not to confuse fdset below */ |
1304 | log_close(); | |
1305 | ||
a16e1123 LP |
1306 | /* Remember open file descriptors for later deserialization */ |
1307 | if (serialization) { | |
1308 | if ((r = fdset_new_fill(&fds)) < 0) { | |
1309 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1310 | goto finish; | |
1311 | } | |
1312 | ||
1313 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); | |
1314 | } else | |
1315 | close_all_fds(NULL, 0); | |
1316 | ||
09082a94 | 1317 | /* Set up PATH unless it is already set */ |
e537352b | 1318 | setenv("PATH", |
2c6db6fb | 1319 | #ifdef HAVE_SPLIT_USR |
e537352b | 1320 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", |
2c6db6fb LP |
1321 | #else |
1322 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin", | |
1323 | #endif | |
fa0f4d8a | 1324 | arg_running_as == MANAGER_SYSTEM); |
09082a94 | 1325 | |
39439087 | 1326 | if (arg_running_as == MANAGER_SYSTEM) { |
e9ddabc2 LP |
1327 | /* Parse the data passed to us by the initrd and unset it */ |
1328 | parse_initrd_timestamp(&initrd_timestamp); | |
1329 | filter_environ("RD_"); | |
1330 | ||
1331 | /* Unset some environment variables passed in from the | |
1332 | * kernel that don't really make sense for us. */ | |
39439087 LP |
1333 | unsetenv("HOME"); |
1334 | unsetenv("TERM"); | |
b770165a LP |
1335 | |
1336 | /* All other variables are left as is, so that clients | |
1337 | * can still read them via /proc/1/environ */ | |
39439087 | 1338 | } |
1104f3c1 | 1339 | |
f170852a LP |
1340 | /* Move out of the way, so that we won't block unmounts */ |
1341 | assert_se(chdir("/") == 0); | |
1342 | ||
fa0f4d8a | 1343 | if (arg_running_as == MANAGER_SYSTEM) { |
80876c20 LP |
1344 | /* Become a session leader if we aren't one yet. */ |
1345 | setsid(); | |
4ade7963 | 1346 | |
80876c20 LP |
1347 | /* Disable the umask logic */ |
1348 | umask(0); | |
1349 | } | |
1350 | ||
843d2643 LP |
1351 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1352 | dbus_connection_set_change_sigpipe(FALSE); | |
1353 | ||
2146621b LP |
1354 | /* Reset the console, but only if this is really init and we |
1355 | * are freshly booted */ | |
fa0f4d8a | 1356 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
0b3325e7 | 1357 | console_setup(getpid() == 1 && !is_reexec); |
843d2643 LP |
1358 | make_null_stdio(); |
1359 | } | |
4ade7963 | 1360 | |
18149b9f | 1361 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1362 | log_open(); |
4ade7963 | 1363 | |
5373d602 LP |
1364 | /* Make sure we leave a core dump without panicing the |
1365 | * kernel. */ | |
4fc935ca LP |
1366 | if (getpid() == 1) |
1367 | install_crash_handler(); | |
97c4f35c | 1368 | |
0c85a4f3 LP |
1369 | if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) { |
1370 | r = mount_cgroup_controllers(arg_join_controllers); | |
1371 | if (r < 0) | |
1372 | goto finish; | |
1373 | } | |
1374 | ||
302e27c8 | 1375 | log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG, |
7d568925 | 1376 | PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as)); |
a5dab5ce | 1377 | |
0b3325e7 | 1378 | if (arg_running_as == MANAGER_SYSTEM && !is_reexec) { |
72bca11b LP |
1379 | locale_setup(); |
1380 | ||
6faa1114 | 1381 | if (arg_show_status || plymouth_running()) |
888c6216 LP |
1382 | status_welcome(); |
1383 | ||
888c6216 LP |
1384 | kmod_setup(); |
1385 | hostname_setup(); | |
d7ccca2e | 1386 | machine_id_setup(); |
888c6216 | 1387 | loopback_setup(); |
490aed58 | 1388 | |
6ee5bbf8 | 1389 | test_mtab(); |
80758717 | 1390 | test_usr(); |
871c44a7 | 1391 | test_cgroups(); |
af5bc85d | 1392 | } |
302e8c4c | 1393 | |
9e58ff9c | 1394 | if ((r = manager_new(arg_running_as, &m)) < 0) { |
8e274523 | 1395 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1396 | goto finish; |
1397 | } | |
1398 | ||
9e58ff9c | 1399 | m->confirm_spawn = arg_confirm_spawn; |
07459bb6 | 1400 | #ifdef HAVE_SYSV_COMPAT |
6e98720f | 1401 | m->sysv_console = arg_sysv_console; |
07459bb6 | 1402 | #endif |
d3689161 | 1403 | m->mount_auto = arg_mount_auto; |
173a8d04 | 1404 | m->swap_auto = arg_swap_auto; |
0a494f1f LP |
1405 | m->default_std_output = arg_default_std_output; |
1406 | m->default_std_error = arg_default_std_error; | |
9e58ff9c | 1407 | |
e9ddabc2 LP |
1408 | if (dual_timestamp_is_set(&initrd_timestamp)) |
1409 | m->initrd_timestamp = initrd_timestamp; | |
1410 | ||
06d4c99a LP |
1411 | if (arg_default_controllers) |
1412 | manager_set_default_controllers(m, arg_default_controllers); | |
1413 | ||
27d340c7 LP |
1414 | manager_set_show_status(m, arg_show_status); |
1415 | ||
9d76d730 LP |
1416 | before_startup = now(CLOCK_MONOTONIC); |
1417 | ||
a16e1123 | 1418 | if ((r = manager_startup(m, serialization, fds)) < 0) |
6e2ef85b | 1419 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 LP |
1420 | |
1421 | if (fds) { | |
1422 | /* This will close all file descriptors that were opened, but | |
1423 | * not claimed by any unit. */ | |
1424 | ||
1425 | fdset_free(fds); | |
1426 | fds = NULL; | |
f50e0a01 LP |
1427 | } |
1428 | ||
a16e1123 LP |
1429 | if (serialization) { |
1430 | fclose(serialization); | |
1431 | serialization = NULL; | |
1432 | } else { | |
398ef8ba | 1433 | DBusError error; |
1c27d3f3 | 1434 | Unit *target = NULL; |
bacbccb7 | 1435 | Job *default_unit_job; |
398ef8ba LP |
1436 | |
1437 | dbus_error_init(&error); | |
1438 | ||
fa0f4d8a | 1439 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1440 | |
398ef8ba LP |
1441 | if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) { |
1442 | log_error("Failed to load default target: %s", bus_error(&error, r)); | |
1443 | dbus_error_free(&error); | |
ac155bb8 MS |
1444 | } else if (target->load_state == UNIT_ERROR) |
1445 | log_error("Failed to load default target: %s", strerror(-target->load_error)); | |
1446 | else if (target->load_state == UNIT_MASKED) | |
6daf4f90 | 1447 | log_error("Default target masked."); |
27b14a22 | 1448 | |
ac155bb8 | 1449 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1450 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1451 | |
398ef8ba LP |
1452 | if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) { |
1453 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); | |
1454 | dbus_error_free(&error); | |
a16e1123 | 1455 | goto finish; |
ac155bb8 MS |
1456 | } else if (target->load_state == UNIT_ERROR) { |
1457 | log_error("Failed to load rescue target: %s", strerror(-target->load_error)); | |
1c27d3f3 | 1458 | goto finish; |
ac155bb8 | 1459 | } else if (target->load_state == UNIT_MASKED) { |
6daf4f90 | 1460 | log_error("Rescue target masked."); |
00dc5d76 | 1461 | goto finish; |
a16e1123 LP |
1462 | } |
1463 | } | |
37d88da7 | 1464 | |
ac155bb8 | 1465 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1466 | |
fa0f4d8a | 1467 | if (arg_action == ACTION_TEST) { |
40d50879 | 1468 | printf("-> By units:\n"); |
a16e1123 LP |
1469 | manager_dump_units(m, stdout, "\t"); |
1470 | } | |
1471 | ||
bacbccb7 MS |
1472 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); |
1473 | if (r < 0) { | |
398ef8ba LP |
1474 | log_error("Failed to start default target: %s", bus_error(&error, r)); |
1475 | dbus_error_free(&error); | |
37d88da7 LP |
1476 | goto finish; |
1477 | } | |
bacbccb7 | 1478 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1479 | |
07672f49 LP |
1480 | after_startup = now(CLOCK_MONOTONIC); |
1481 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1482 | "Loaded units and determined initial transaction in %s.", | |
1483 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup)); | |
1484 | ||
fa0f4d8a | 1485 | if (arg_action == ACTION_TEST) { |
40d50879 | 1486 | printf("-> By jobs:\n"); |
a16e1123 | 1487 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1488 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1489 | goto finish; |
1490 | } | |
e965d56d | 1491 | } |
d46de8a1 | 1492 | |
a16e1123 LP |
1493 | for (;;) { |
1494 | if ((r = manager_loop(m)) < 0) { | |
1495 | log_error("Failed to run mainloop: %s", strerror(-r)); | |
1496 | goto finish; | |
1497 | } | |
11dd41ce | 1498 | |
a16e1123 | 1499 | switch (m->exit_code) { |
e965d56d | 1500 | |
a16e1123 | 1501 | case MANAGER_EXIT: |
22f4096c | 1502 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1503 | log_debug("Exit."); |
1504 | goto finish; | |
e965d56d | 1505 | |
a16e1123 | 1506 | case MANAGER_RELOAD: |
e015090f | 1507 | log_info("Reloading."); |
a16e1123 LP |
1508 | if ((r = manager_reload(m)) < 0) |
1509 | log_error("Failed to reload: %s", strerror(-r)); | |
1510 | break; | |
cea8e32e | 1511 | |
a16e1123 | 1512 | case MANAGER_REEXECUTE: |
a16e1123 LP |
1513 | if (prepare_reexecute(m, &serialization, &fds) < 0) |
1514 | goto finish; | |
60918275 | 1515 | |
a16e1123 | 1516 | reexecute = true; |
e015090f | 1517 | log_notice("Reexecuting."); |
a16e1123 LP |
1518 | goto finish; |
1519 | ||
b9080b03 FF |
1520 | case MANAGER_REBOOT: |
1521 | case MANAGER_POWEROFF: | |
1522 | case MANAGER_HALT: | |
1523 | case MANAGER_KEXEC: { | |
1524 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1525 | [MANAGER_REBOOT] = "reboot", | |
1526 | [MANAGER_POWEROFF] = "poweroff", | |
1527 | [MANAGER_HALT] = "halt", | |
1528 | [MANAGER_KEXEC] = "kexec" | |
1529 | }; | |
1530 | ||
1531 | assert_se(shutdown_verb = table[m->exit_code]); | |
1532 | ||
1533 | log_notice("Shutting down."); | |
1534 | goto finish; | |
1535 | } | |
1536 | ||
a16e1123 LP |
1537 | default: |
1538 | assert_not_reached("Unknown exit code."); | |
1539 | } | |
1540 | } | |
f170852a | 1541 | |
60918275 LP |
1542 | finish: |
1543 | if (m) | |
1544 | manager_free(m); | |
1545 | ||
fa0f4d8a | 1546 | free(arg_default_unit); |
06d4c99a | 1547 | strv_free(arg_default_controllers); |
0c85a4f3 | 1548 | free_join_controllers(); |
b9cd2ec1 | 1549 | |
ea430986 LP |
1550 | dbus_shutdown(); |
1551 | ||
b2bb3dbe LP |
1552 | label_finish(); |
1553 | ||
a16e1123 | 1554 | if (reexecute) { |
6e98720f | 1555 | const char *args[15]; |
a16e1123 LP |
1556 | unsigned i = 0; |
1557 | char sfd[16]; | |
1558 | ||
1559 | assert(serialization); | |
1560 | assert(fds); | |
1561 | ||
1562 | args[i++] = SYSTEMD_BINARY_PATH; | |
1563 | ||
1564 | args[i++] = "--log-level"; | |
1565 | args[i++] = log_level_to_string(log_get_max_level()); | |
1566 | ||
1567 | args[i++] = "--log-target"; | |
1568 | args[i++] = log_target_to_string(log_get_target()); | |
1569 | ||
edb9aaa8 LP |
1570 | if (arg_running_as == MANAGER_SYSTEM) |
1571 | args[i++] = "--system"; | |
1572 | else | |
af2d49f7 | 1573 | args[i++] = "--user"; |
edb9aaa8 LP |
1574 | |
1575 | if (arg_dump_core) | |
1576 | args[i++] = "--dump-core"; | |
1577 | ||
1578 | if (arg_crash_shell) | |
1579 | args[i++] = "--crash-shell"; | |
1580 | ||
1581 | if (arg_confirm_spawn) | |
1582 | args[i++] = "--confirm-spawn"; | |
1583 | ||
1584 | if (arg_show_status) | |
6e98720f LP |
1585 | args[i++] = "--show-status=1"; |
1586 | else | |
1587 | args[i++] = "--show-status=0"; | |
1588 | ||
07459bb6 | 1589 | #ifdef HAVE_SYSV_COMPAT |
6e98720f LP |
1590 | if (arg_sysv_console) |
1591 | args[i++] = "--sysv-console=1"; | |
1592 | else | |
1593 | args[i++] = "--sysv-console=0"; | |
07459bb6 | 1594 | #endif |
a16e1123 LP |
1595 | |
1596 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); | |
1597 | char_array_0(sfd); | |
1598 | ||
1599 | args[i++] = "--deserialize"; | |
1600 | args[i++] = sfd; | |
1601 | ||
a16e1123 LP |
1602 | args[i++] = NULL; |
1603 | ||
1604 | assert(i <= ELEMENTSOF(args)); | |
1605 | ||
1606 | execv(args[0], (char* const*) args); | |
1607 | ||
1608 | log_error("Failed to reexecute: %m"); | |
1609 | } | |
1610 | ||
1611 | if (serialization) | |
1612 | fclose(serialization); | |
1613 | ||
1614 | if (fds) | |
1615 | fdset_free(fds); | |
1616 | ||
b9080b03 FF |
1617 | if (shutdown_verb) { |
1618 | const char * command_line[] = { | |
1619 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1620 | shutdown_verb, | |
1621 | NULL | |
1622 | }; | |
1623 | ||
1624 | execv(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line); | |
1625 | log_error("Failed to execute shutdown binary, freezing: %m"); | |
1626 | } | |
1627 | ||
c3b3c274 LP |
1628 | if (getpid() == 1) |
1629 | freeze(); | |
1630 | ||
60918275 LP |
1631 | return retval; |
1632 | } |