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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 | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
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> |
664f88a7 | 35 | #include <sys/mount.h> |
60918275 LP |
36 | |
37 | #include "manager.h" | |
16354eff | 38 | #include "log.h" |
302e8c4c | 39 | #include "load-fragment.h" |
a16e1123 | 40 | #include "fdset.h" |
514f4ef5 | 41 | #include "special.h" |
487393e9 | 42 | #include "conf-parser.h" |
449101fc | 43 | #include "dbus-common.h" |
ad780f19 | 44 | #include "missing.h" |
e51bc1a2 | 45 | #include "label.h" |
302e27c8 | 46 | #include "build.h" |
06d4c99a | 47 | #include "strv.h" |
f6a6225e | 48 | #include "def.h" |
b52aae1d | 49 | #include "virt.h" |
e96d6be7 | 50 | #include "watchdog.h" |
664f88a7 | 51 | #include "path-util.h" |
41669317 | 52 | #include "switch-root.h" |
ec8927ca | 53 | #include "capability.h" |
bd3fa1d2 | 54 | #include "killall.h" |
0c4025d1 LP |
55 | #include "env-util.h" |
56 | #include "hwclock.h" | |
57 | #include "sd-daemon.h" | |
e8e581bf | 58 | #include "sd-messages.h" |
60918275 | 59 | |
b6e66135 LP |
60 | #include "mount-setup.h" |
61 | #include "loopback-setup.h" | |
e3043162 | 62 | #ifdef HAVE_KMOD |
b6e66135 | 63 | #include "kmod-setup.h" |
e3043162 | 64 | #endif |
b6e66135 LP |
65 | #include "hostname-setup.h" |
66 | #include "machine-id-setup.h" | |
67 | #include "locale-setup.h" | |
68 | #include "selinux-setup.h" | |
69 | #include "ima-setup.h" | |
a5c32cff | 70 | #include "fileio.h" |
ffbd2c4d | 71 | #include "smack-setup.h" |
b6e66135 | 72 | |
f170852a LP |
73 | static enum { |
74 | ACTION_RUN, | |
e965d56d | 75 | ACTION_HELP, |
9ba0bc4e | 76 | ACTION_VERSION, |
e537352b | 77 | ACTION_TEST, |
4288f619 LP |
78 | ACTION_DUMP_CONFIGURATION_ITEMS, |
79 | ACTION_DONE | |
fa0f4d8a | 80 | } arg_action = ACTION_RUN; |
f170852a | 81 | |
fa0f4d8a | 82 | static char *arg_default_unit = NULL; |
67445f4e | 83 | static SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID; |
fa0f4d8a LP |
84 | |
85 | static bool arg_dump_core = true; | |
86 | static bool arg_crash_shell = false; | |
87 | static int arg_crash_chvt = -1; | |
88 | static bool arg_confirm_spawn = false; | |
9e58ff9c | 89 | static bool arg_show_status = true; |
bf4df7c3 | 90 | static bool arg_switched_root = false; |
0c85a4f3 | 91 | static char ***arg_join_controllers = NULL; |
706343f4 | 92 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 93 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
e96d6be7 LP |
94 | static usec_t arg_runtime_watchdog = 0; |
95 | static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; | |
97d0e5f8 | 96 | static char **arg_default_environment = NULL; |
c93ff2e9 | 97 | static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {}; |
ec8927ca | 98 | static uint64_t arg_capability_bounding_set_drop = 0; |
aa0f64ac | 99 | static nsec_t arg_timer_slack_nsec = (nsec_t) -1; |
4fc935ca | 100 | |
a16e1123 | 101 | static FILE* serialization = NULL; |
80876c20 | 102 | |
6f5e3f35 LP |
103 | static void nop_handler(int sig) { |
104 | } | |
105 | ||
93a46b0b | 106 | _noreturn_ static void crash(int sig) { |
97c4f35c | 107 | |
abb26902 LP |
108 | if (getpid() != 1) |
109 | /* Pass this on immediately, if this is not PID 1 */ | |
110 | raise(sig); | |
111 | else if (!arg_dump_core) | |
582a507f | 112 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 113 | else { |
b92bea5d ZJS |
114 | struct sigaction sa = { |
115 | .sa_handler = nop_handler, | |
116 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, | |
117 | }; | |
97c4f35c LP |
118 | pid_t pid; |
119 | ||
6f5e3f35 | 120 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
abb26902 | 121 | sigaction(SIGCHLD, &sa, NULL); |
6f5e3f35 | 122 | |
e62d8c39 ZJS |
123 | pid = fork(); |
124 | if (pid < 0) | |
7989e1f2 | 125 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
126 | |
127 | else if (pid == 0) { | |
b92bea5d | 128 | struct rlimit rl = {}; |
97c4f35c LP |
129 | |
130 | /* Enable default signal handler for core dump */ | |
131 | zero(sa); | |
132 | sa.sa_handler = SIG_DFL; | |
abb26902 | 133 | sigaction(sig, &sa, NULL); |
97c4f35c LP |
134 | |
135 | /* Don't limit the core dump size */ | |
97c4f35c LP |
136 | rl.rlim_cur = RLIM_INFINITY; |
137 | rl.rlim_max = RLIM_INFINITY; | |
138 | setrlimit(RLIMIT_CORE, &rl); | |
139 | ||
140 | /* Just to be sure... */ | |
abb26902 | 141 | chdir("/"); |
97c4f35c LP |
142 | |
143 | /* Raise the signal again */ | |
144 | raise(sig); | |
145 | ||
146 | assert_not_reached("We shouldn't be here..."); | |
147 | _exit(1); | |
4fc935ca LP |
148 | |
149 | } else { | |
8e12a6ae LP |
150 | siginfo_t status; |
151 | int r; | |
4fc935ca LP |
152 | |
153 | /* Order things nicely. */ | |
e62d8c39 ZJS |
154 | r = wait_for_terminate(pid, &status); |
155 | if (r < 0) | |
7989e1f2 | 156 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r)); |
8e12a6ae | 157 | else if (status.si_code != CLD_DUMPED) |
7989e1f2 | 158 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 159 | else |
7989e1f2 | 160 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
161 | } |
162 | } | |
163 | ||
fa0f4d8a LP |
164 | if (arg_crash_chvt) |
165 | chvt(arg_crash_chvt); | |
601f6a1e | 166 | |
fa0f4d8a | 167 | if (arg_crash_shell) { |
b92bea5d ZJS |
168 | struct sigaction sa = { |
169 | .sa_handler = SIG_IGN, | |
170 | .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, | |
171 | }; | |
6f5e3f35 | 172 | pid_t pid; |
8c43883a | 173 | |
4fc935ca LP |
174 | log_info("Executing crash shell in 10s..."); |
175 | sleep(10); | |
176 | ||
6f5e3f35 | 177 | /* Let the kernel reap children for us */ |
6f5e3f35 | 178 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
8c43883a | 179 | |
cd3bd60a LP |
180 | pid = fork(); |
181 | if (pid < 0) | |
14212119 | 182 | log_error("Failed to fork off crash shell: %m"); |
6f5e3f35 | 183 | else if (pid == 0) { |
cd3bd60a | 184 | make_console_stdio(); |
6f5e3f35 LP |
185 | execl("/bin/sh", "/bin/sh", NULL); |
186 | ||
14212119 | 187 | log_error("execl() failed: %m"); |
6f5e3f35 LP |
188 | _exit(1); |
189 | } | |
c99b188e | 190 | |
7989e1f2 | 191 | log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
192 | } |
193 | ||
194 | log_info("Freezing execution."); | |
97c4f35c LP |
195 | freeze(); |
196 | } | |
197 | ||
198 | static void install_crash_handler(void) { | |
b92bea5d ZJS |
199 | struct sigaction sa = { |
200 | .sa_handler = crash, | |
201 | .sa_flags = SA_NODEFER, | |
202 | }; | |
97c4f35c | 203 | |
1b91d3e8 | 204 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 205 | } |
f170852a | 206 | |
843d2643 LP |
207 | static int console_setup(bool do_reset) { |
208 | int tty_fd, r; | |
80876c20 | 209 | |
843d2643 LP |
210 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
211 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 212 | |
843d2643 LP |
213 | release_terminal(); |
214 | ||
215 | if (!do_reset) | |
216 | return 0; | |
80876c20 | 217 | |
512947d4 MS |
218 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
219 | if (tty_fd < 0) { | |
843d2643 LP |
220 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); |
221 | return -tty_fd; | |
222 | } | |
80876c20 | 223 | |
512947d4 MS |
224 | /* We don't want to force text mode. |
225 | * plymouth may be showing pictures already from initrd. */ | |
226 | r = reset_terminal_fd(tty_fd, false); | |
227 | if (r < 0) | |
843d2643 LP |
228 | log_error("Failed to reset /dev/console: %s", strerror(-r)); |
229 | ||
230 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
231 | return r; |
232 | } | |
233 | ||
f170852a LP |
234 | static int set_default_unit(const char *u) { |
235 | char *c; | |
236 | ||
237 | assert(u); | |
238 | ||
bf4df7c3 LP |
239 | c = strdup(u); |
240 | if (!c) | |
f170852a LP |
241 | return -ENOMEM; |
242 | ||
fa0f4d8a LP |
243 | free(arg_default_unit); |
244 | arg_default_unit = c; | |
bf4df7c3 | 245 | |
f170852a LP |
246 | return 0; |
247 | } | |
248 | ||
249 | static int parse_proc_cmdline_word(const char *word) { | |
250 | ||
251 | static const char * const rlmap[] = { | |
ed370f5d | 252 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 253 | "-b", SPECIAL_EMERGENCY_TARGET, |
ed370f5d LP |
254 | "single", SPECIAL_RESCUE_TARGET, |
255 | "-s", SPECIAL_RESCUE_TARGET, | |
256 | "s", SPECIAL_RESCUE_TARGET, | |
257 | "S", SPECIAL_RESCUE_TARGET, | |
258 | "1", SPECIAL_RESCUE_TARGET, | |
259 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
260 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
261 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
262 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
263 | }; |
264 | ||
5192bd19 LP |
265 | assert(word); |
266 | ||
bf4df7c3 LP |
267 | if (startswith(word, "systemd.unit=")) { |
268 | ||
269 | if (!in_initrd()) | |
270 | return set_default_unit(word + 13); | |
271 | ||
272 | } else if (startswith(word, "rd.systemd.unit=")) { | |
273 | ||
274 | if (in_initrd()) | |
275 | return set_default_unit(word + 16); | |
f170852a | 276 | |
bf4df7c3 | 277 | } else if (startswith(word, "systemd.log_target=")) { |
f170852a LP |
278 | |
279 | if (log_set_target_from_string(word + 19) < 0) | |
280 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
281 | ||
282 | } else if (startswith(word, "systemd.log_level=")) { | |
283 | ||
284 | if (log_set_max_level_from_string(word + 18) < 0) | |
285 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
286 | ||
bbe63281 LP |
287 | } else if (startswith(word, "systemd.log_color=")) { |
288 | ||
289 | if (log_show_color_from_string(word + 18) < 0) | |
290 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
291 | ||
292 | } else if (startswith(word, "systemd.log_location=")) { | |
293 | ||
294 | if (log_show_location_from_string(word + 21) < 0) | |
295 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
296 | ||
4fc935ca LP |
297 | } else if (startswith(word, "systemd.dump_core=")) { |
298 | int r; | |
299 | ||
300 | if ((r = parse_boolean(word + 18)) < 0) | |
509b6efb | 301 | log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18); |
4fc935ca | 302 | else |
fa0f4d8a | 303 | arg_dump_core = r; |
4fc935ca LP |
304 | |
305 | } else if (startswith(word, "systemd.crash_shell=")) { | |
306 | int r; | |
307 | ||
308 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 309 | log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20); |
4fc935ca | 310 | else |
fa0f4d8a | 311 | arg_crash_shell = r; |
5e7ee61c LP |
312 | |
313 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
314 | int r; | |
315 | ||
316 | if ((r = parse_boolean(word + 22)) < 0) | |
509b6efb | 317 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); |
5e7ee61c | 318 | else |
fa0f4d8a | 319 | arg_confirm_spawn = r; |
5e7ee61c | 320 | |
601f6a1e LP |
321 | } else if (startswith(word, "systemd.crash_chvt=")) { |
322 | int k; | |
323 | ||
324 | if (safe_atoi(word + 19, &k) < 0) | |
509b6efb | 325 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19); |
601f6a1e | 326 | else |
fa0f4d8a | 327 | arg_crash_chvt = k; |
601f6a1e | 328 | |
9e58ff9c LP |
329 | } else if (startswith(word, "systemd.show_status=")) { |
330 | int r; | |
331 | ||
332 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 333 | log_warning("Failed to parse show status switch %s. Ignoring.", word + 20); |
6e98720f | 334 | else |
9e58ff9c | 335 | arg_show_status = r; |
0a494f1f LP |
336 | } else if (startswith(word, "systemd.default_standard_output=")) { |
337 | int r; | |
338 | ||
339 | if ((r = exec_output_from_string(word + 32)) < 0) | |
509b6efb | 340 | log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); |
0a494f1f LP |
341 | else |
342 | arg_default_std_output = r; | |
343 | } else if (startswith(word, "systemd.default_standard_error=")) { | |
344 | int r; | |
345 | ||
346 | if ((r = exec_output_from_string(word + 31)) < 0) | |
509b6efb | 347 | log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); |
0a494f1f LP |
348 | else |
349 | arg_default_std_error = r; | |
9e7c5357 | 350 | } else if (startswith(word, "systemd.setenv=")) { |
0c4025d1 LP |
351 | _cleanup_free_ char *cenv = NULL; |
352 | char *eq; | |
9e7c5357 WD |
353 | int r; |
354 | ||
355 | cenv = strdup(word + 15); | |
356 | if (!cenv) | |
357 | return -ENOMEM; | |
358 | ||
359 | eq = strchr(cenv, '='); | |
360 | if (!eq) { | |
0c4025d1 LP |
361 | if (!env_name_is_valid(cenv)) |
362 | log_warning("Environment variable name '%s' is not valid. Ignoring.", cenv); | |
363 | else { | |
364 | r = unsetenv(cenv); | |
365 | if (r < 0) | |
366 | log_warning("Unsetting environment variable '%s' failed, ignoring: %m", cenv); | |
367 | } | |
9e7c5357 | 368 | } else { |
0c4025d1 LP |
369 | if (!env_assignment_is_valid(cenv)) |
370 | log_warning("Environment variable assignment '%s' is not valid. Ignoring.", cenv); | |
371 | else { | |
372 | *eq = 0; | |
373 | r = setenv(cenv, eq + 1, 1); | |
374 | if (r < 0) | |
375 | log_warning("Setting environment variable '%s=%s' failed, ignoring: %m", cenv, eq + 1); | |
376 | } | |
9e7c5357 | 377 | } |
9e58ff9c | 378 | |
66a78c2b LP |
379 | } else if (startswith(word, "systemd.") || |
380 | (in_initrd() && startswith(word, "rd.systemd."))) { | |
4fc935ca | 381 | |
dd7c30c3 LP |
382 | const char *c; |
383 | ||
384 | /* Ignore systemd.journald.xyz and friends */ | |
385 | c = word; | |
386 | if (startswith(c, "rd.")) | |
387 | c += 3; | |
388 | if (startswith(c, "systemd.")) | |
389 | c += 8; | |
390 | if (c[strcspn(c, ".=")] != '.') { | |
391 | ||
392 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
393 | ||
394 | log_info("Supported kernel switches:\n" | |
395 | "systemd.unit=UNIT Default unit to start\n" | |
396 | "rd.systemd.unit=UNIT Default unit to start when run in initrd\n" | |
397 | "systemd.dump_core=0|1 Dump core on crash\n" | |
398 | "systemd.crash_shell=0|1 Run shell on crash\n" | |
399 | "systemd.crash_chvt=N Change to VT #N on crash\n" | |
400 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" | |
401 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" | |
402 | "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n" | |
403 | " Log target\n" | |
404 | "systemd.log_level=LEVEL Log level\n" | |
405 | "systemd.log_color=0|1 Highlight important log messages\n" | |
406 | "systemd.log_location=0|1 Include code location in log messages\n" | |
407 | "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" | |
408 | " Set default log output for services\n" | |
409 | "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" | |
410 | " Set default log error output for services\n" | |
411 | "systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n"); | |
412 | } | |
4fc935ca | 413 | |
d081dffb | 414 | } else if (streq(word, "quiet")) |
6e98720f | 415 | arg_show_status = false; |
9749cd77 LN |
416 | else if (streq(word, "debug")) |
417 | log_set_max_level(LOG_DEBUG); | |
d081dffb | 418 | else if (!in_initrd()) { |
f170852a LP |
419 | unsigned i; |
420 | ||
421 | /* SysV compatibility */ | |
f170852a LP |
422 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
423 | if (streq(word, rlmap[i])) | |
424 | return set_default_unit(rlmap[i+1]); | |
425 | } | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
e8e581bf ZJS |
430 | #define DEFINE_SETTER(name, func, descr) \ |
431 | static int name(const char *unit, \ | |
432 | const char *filename, \ | |
433 | unsigned line, \ | |
434 | const char *section, \ | |
435 | const char *lvalue, \ | |
436 | int ltype, \ | |
437 | const char *rvalue, \ | |
438 | void *data, \ | |
439 | void *userdata) { \ | |
440 | \ | |
441 | int r; \ | |
442 | \ | |
443 | assert(filename); \ | |
444 | assert(lvalue); \ | |
445 | assert(rvalue); \ | |
446 | \ | |
447 | r = func(rvalue); \ | |
448 | if (r < 0) \ | |
449 | log_syntax(unit, LOG_ERR, filename, line, -r, \ | |
450 | "Invalid " descr "'%s': %s", \ | |
451 | rvalue, strerror(-r)); \ | |
452 | \ | |
453 | return 0; \ | |
454 | } | |
487393e9 | 455 | |
e8e581bf ZJS |
456 | DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level") |
457 | DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target") | |
458 | DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" ) | |
459 | DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location") | |
487393e9 | 460 | |
487393e9 | 461 | |
e8e581bf ZJS |
462 | static int config_parse_cpu_affinity2(const char *unit, |
463 | const char *filename, | |
464 | unsigned line, | |
465 | const char *section, | |
466 | const char *lvalue, | |
467 | int ltype, | |
468 | const char *rvalue, | |
469 | void *data, | |
470 | void *userdata) { | |
487393e9 LP |
471 | |
472 | char *w; | |
473 | size_t l; | |
474 | char *state; | |
475 | cpu_set_t *c = NULL; | |
476 | unsigned ncpus = 0; | |
477 | ||
478 | assert(filename); | |
479 | assert(lvalue); | |
480 | assert(rvalue); | |
481 | ||
f60f22df | 482 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
483 | char *t; |
484 | int r; | |
485 | unsigned cpu; | |
486 | ||
487 | if (!(t = strndup(w, l))) | |
14212119 | 488 | return log_oom(); |
487393e9 LP |
489 | |
490 | r = safe_atou(t, &cpu); | |
491 | free(t); | |
492 | ||
493 | if (!c) | |
494 | if (!(c = cpu_set_malloc(&ncpus))) | |
14212119 | 495 | return log_oom(); |
487393e9 LP |
496 | |
497 | if (r < 0 || cpu >= ncpus) { | |
e8e581bf ZJS |
498 | log_syntax(unit, LOG_ERR, filename, line, -r, |
499 | "Failed to parse CPU affinity '%s'", rvalue); | |
487393e9 LP |
500 | CPU_FREE(c); |
501 | return -EBADMSG; | |
502 | } | |
503 | ||
504 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
505 | } | |
506 | ||
507 | if (c) { | |
508 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
e8e581bf | 509 | log_warning_unit(unit, "Failed to set CPU affinity: %m"); |
487393e9 LP |
510 | |
511 | CPU_FREE(c); | |
512 | } | |
513 | ||
514 | return 0; | |
515 | } | |
516 | ||
0c85a4f3 LP |
517 | static void strv_free_free(char ***l) { |
518 | char ***i; | |
519 | ||
520 | if (!l) | |
521 | return; | |
522 | ||
523 | for (i = l; *i; i++) | |
524 | strv_free(*i); | |
525 | ||
526 | free(l); | |
527 | } | |
528 | ||
529 | static void free_join_controllers(void) { | |
0c85a4f3 LP |
530 | strv_free_free(arg_join_controllers); |
531 | arg_join_controllers = NULL; | |
532 | } | |
533 | ||
e8e581bf ZJS |
534 | static int config_parse_join_controllers(const char *unit, |
535 | const char *filename, | |
536 | unsigned line, | |
537 | const char *section, | |
538 | const char *lvalue, | |
539 | int ltype, | |
540 | const char *rvalue, | |
541 | void *data, | |
542 | void *userdata) { | |
0c85a4f3 LP |
543 | |
544 | unsigned n = 0; | |
545 | char *state, *w; | |
546 | size_t length; | |
547 | ||
548 | assert(filename); | |
549 | assert(lvalue); | |
550 | assert(rvalue); | |
551 | ||
552 | free_join_controllers(); | |
553 | ||
554 | FOREACH_WORD_QUOTED(w, length, rvalue, state) { | |
555 | char *s, **l; | |
556 | ||
557 | s = strndup(w, length); | |
558 | if (!s) | |
14212119 | 559 | return log_oom(); |
0c85a4f3 LP |
560 | |
561 | l = strv_split(s, ","); | |
562 | free(s); | |
563 | ||
564 | strv_uniq(l); | |
565 | ||
566 | if (strv_length(l) <= 1) { | |
567 | strv_free(l); | |
568 | continue; | |
569 | } | |
570 | ||
571 | if (!arg_join_controllers) { | |
572 | arg_join_controllers = new(char**, 2); | |
573 | if (!arg_join_controllers) { | |
574 | strv_free(l); | |
14212119 | 575 | return log_oom(); |
0c85a4f3 LP |
576 | } |
577 | ||
578 | arg_join_controllers[0] = l; | |
579 | arg_join_controllers[1] = NULL; | |
580 | ||
581 | n = 1; | |
582 | } else { | |
583 | char ***a; | |
584 | char ***t; | |
585 | ||
586 | t = new0(char**, n+2); | |
587 | if (!t) { | |
588 | strv_free(l); | |
14212119 | 589 | return log_oom(); |
0c85a4f3 LP |
590 | } |
591 | ||
592 | n = 0; | |
593 | ||
594 | for (a = arg_join_controllers; *a; a++) { | |
595 | ||
596 | if (strv_overlap(*a, l)) { | |
597 | char **c; | |
598 | ||
599 | c = strv_merge(*a, l); | |
600 | if (!c) { | |
601 | strv_free(l); | |
602 | strv_free_free(t); | |
14212119 | 603 | return log_oom(); |
0c85a4f3 LP |
604 | } |
605 | ||
606 | strv_free(l); | |
607 | l = c; | |
608 | } else { | |
609 | char **c; | |
610 | ||
611 | c = strv_copy(*a); | |
612 | if (!c) { | |
613 | strv_free(l); | |
614 | strv_free_free(t); | |
14212119 | 615 | return log_oom(); |
0c85a4f3 LP |
616 | } |
617 | ||
618 | t[n++] = c; | |
619 | } | |
620 | } | |
621 | ||
622 | t[n++] = strv_uniq(l); | |
623 | ||
624 | strv_free_free(arg_join_controllers); | |
625 | arg_join_controllers = t; | |
626 | } | |
627 | } | |
628 | ||
629 | return 0; | |
630 | } | |
631 | ||
487393e9 LP |
632 | static int parse_config_file(void) { |
633 | ||
f975e971 LP |
634 | const ConfigTableItem items[] = { |
635 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, | |
636 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
637 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
638 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
639 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
640 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
641 | { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status }, | |
f975e971 LP |
642 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, |
643 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
f975e971 LP |
644 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, |
645 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
0c85a4f3 | 646 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, |
7f602784 LP |
647 | { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, |
648 | { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, | |
ec8927ca | 649 | { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop }, |
aa0f64ac | 650 | { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, |
97d0e5f8 | 651 | { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment }, |
c93ff2e9 FC |
652 | { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]}, |
653 | { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]}, | |
654 | { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]}, | |
655 | { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]}, | |
656 | { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]}, | |
657 | { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]}, | |
658 | { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]}, | |
659 | { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]}, | |
660 | { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]}, | |
661 | { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]}, | |
662 | { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]}, | |
663 | { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]}, | |
664 | { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]}, | |
665 | { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]}, | |
666 | { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]}, | |
667 | { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]}, | |
f975e971 | 668 | { NULL, NULL, NULL, 0, NULL } |
487393e9 LP |
669 | }; |
670 | ||
7fd1b19b | 671 | _cleanup_fclose_ FILE *f; |
487393e9 LP |
672 | const char *fn; |
673 | int r; | |
674 | ||
19adb8a3 | 675 | fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf"; |
f975e971 LP |
676 | f = fopen(fn, "re"); |
677 | if (!f) { | |
487393e9 LP |
678 | if (errno == ENOENT) |
679 | return 0; | |
680 | ||
681 | log_warning("Failed to open configuration file '%s': %m", fn); | |
682 | return 0; | |
683 | } | |
684 | ||
db5c0122 | 685 | r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL); |
f975e971 | 686 | if (r < 0) |
487393e9 LP |
687 | log_warning("Failed to parse configuration file: %s", strerror(-r)); |
688 | ||
487393e9 LP |
689 | return 0; |
690 | } | |
691 | ||
f170852a | 692 | static int parse_proc_cmdline(void) { |
7fd1b19b | 693 | _cleanup_free_ char *line = NULL; |
543295ad | 694 | char *w, *state; |
f170852a | 695 | int r; |
f170852a | 696 | size_t l; |
f170852a | 697 | |
b770165a LP |
698 | /* Don't read /proc/cmdline if we are in a container, since |
699 | * that is only relevant for the host system */ | |
700 | if (detect_container(NULL) > 0) | |
701 | return 0; | |
702 | ||
543295ad ZJS |
703 | r = read_one_line_file("/proc/cmdline", &line); |
704 | if (r < 0) { | |
e364ad06 | 705 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
706 | return 0; |
707 | } | |
708 | ||
709 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
7fd1b19b | 710 | _cleanup_free_ char *word; |
f170852a | 711 | |
543295ad ZJS |
712 | word = strndup(w, l); |
713 | if (!word) | |
714 | return log_oom(); | |
f170852a LP |
715 | |
716 | r = parse_proc_cmdline_word(word); | |
14212119 SL |
717 | if (r < 0) { |
718 | log_error("Failed on cmdline argument %s: %s", word, strerror(-r)); | |
543295ad | 719 | return r; |
14212119 | 720 | } |
f170852a LP |
721 | } |
722 | ||
543295ad | 723 | return 0; |
f170852a LP |
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, |
9ba0bc4e | 737 | ARG_VERSION, |
80876c20 | 738 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
739 | ARG_DUMP_CORE, |
740 | ARG_CRASH_SHELL, | |
a16e1123 | 741 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 742 | ARG_SHOW_STATUS, |
4288f619 | 743 | ARG_DESERIALIZE, |
2660882b | 744 | ARG_SWITCHED_ROOT, |
0a494f1f LP |
745 | ARG_INTROSPECT, |
746 | ARG_DEFAULT_STD_OUTPUT, | |
747 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
748 | }; |
749 | ||
750 | static const struct option options[] = { | |
a16e1123 LP |
751 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
752 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
753 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
754 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 755 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 756 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 757 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 LP |
758 | { "test", no_argument, NULL, ARG_TEST }, |
759 | { "help", no_argument, NULL, 'h' }, | |
9ba0bc4e | 760 | { "version", no_argument, NULL, ARG_VERSION }, |
a16e1123 | 761 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, |
a5d87bf0 LP |
762 | { "dump-core", optional_argument, NULL, ARG_DUMP_CORE }, |
763 | { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL }, | |
764 | { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN }, | |
6e98720f | 765 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 766 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
2660882b | 767 | { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, |
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 | 854 | case ARG_SYSTEM: |
67445f4e | 855 | arg_running_as = SYSTEMD_SYSTEM; |
edb9aaa8 | 856 | break; |
a5dab5ce | 857 | |
af2d49f7 | 858 | case ARG_USER: |
67445f4e | 859 | arg_running_as = SYSTEMD_USER; |
a5dab5ce | 860 | break; |
a5dab5ce | 861 | |
e965d56d | 862 | case ARG_TEST: |
fa0f4d8a | 863 | arg_action = ACTION_TEST; |
e965d56d LP |
864 | break; |
865 | ||
9ba0bc4e ZJS |
866 | case ARG_VERSION: |
867 | arg_action = ACTION_VERSION; | |
868 | break; | |
869 | ||
e537352b | 870 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 871 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
872 | break; |
873 | ||
9e58ff9c | 874 | case ARG_DUMP_CORE: |
a5d87bf0 LP |
875 | r = optarg ? parse_boolean(optarg) : 1; |
876 | if (r < 0) { | |
877 | log_error("Failed to parse dump core boolean %s.", optarg); | |
878 | return r; | |
879 | } | |
880 | arg_dump_core = r; | |
9e58ff9c LP |
881 | break; |
882 | ||
883 | case ARG_CRASH_SHELL: | |
a5d87bf0 LP |
884 | r = optarg ? parse_boolean(optarg) : 1; |
885 | if (r < 0) { | |
886 | log_error("Failed to parse crash shell boolean %s.", optarg); | |
887 | return r; | |
888 | } | |
889 | arg_crash_shell = r; | |
9e58ff9c LP |
890 | break; |
891 | ||
80876c20 | 892 | case ARG_CONFIRM_SPAWN: |
a5d87bf0 LP |
893 | r = optarg ? parse_boolean(optarg) : 1; |
894 | if (r < 0) { | |
895 | log_error("Failed to parse confirm spawn boolean %s.", optarg); | |
896 | return r; | |
897 | } | |
898 | arg_confirm_spawn = r; | |
80876c20 LP |
899 | break; |
900 | ||
9e58ff9c | 901 | case ARG_SHOW_STATUS: |
a5d87bf0 LP |
902 | r = optarg ? parse_boolean(optarg) : 1; |
903 | if (r < 0) { | |
904 | log_error("Failed to parse show status boolean %s.", optarg); | |
905 | return r; | |
906 | } | |
907 | arg_show_status = r; | |
6e98720f | 908 | break; |
a5d87bf0 | 909 | |
a16e1123 LP |
910 | case ARG_DESERIALIZE: { |
911 | int fd; | |
912 | FILE *f; | |
913 | ||
01e10de3 LP |
914 | r = safe_atoi(optarg, &fd); |
915 | if (r < 0 || fd < 0) { | |
a16e1123 | 916 | log_error("Failed to parse deserialize option %s.", optarg); |
01e10de3 | 917 | return r < 0 ? r : -EINVAL; |
a16e1123 LP |
918 | } |
919 | ||
01e10de3 LP |
920 | fd_cloexec(fd, true); |
921 | ||
922 | f = fdopen(fd, "r"); | |
923 | if (!f) { | |
a16e1123 | 924 | log_error("Failed to open serialization fd: %m"); |
01e10de3 | 925 | return -errno; |
a16e1123 LP |
926 | } |
927 | ||
928 | if (serialization) | |
929 | fclose(serialization); | |
930 | ||
931 | serialization = f; | |
932 | ||
933 | break; | |
934 | } | |
935 | ||
2660882b | 936 | case ARG_SWITCHED_ROOT: |
bf4df7c3 | 937 | arg_switched_root = true; |
d03bc1b8 HH |
938 | break; |
939 | ||
4288f619 LP |
940 | case ARG_INTROSPECT: { |
941 | const char * const * i = NULL; | |
942 | ||
943 | for (i = bus_interface_table; *i; i += 2) | |
944 | if (!optarg || streq(i[0], optarg)) { | |
945 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
946 | "<node>\n", stdout); | |
947 | fputs(i[1], stdout); | |
948 | fputs("</node>\n", stdout); | |
949 | ||
950 | if (optarg) | |
951 | break; | |
952 | } | |
953 | ||
954 | if (!i[0] && optarg) | |
955 | log_error("Unknown interface %s.", optarg); | |
956 | ||
fa0f4d8a | 957 | arg_action = ACTION_DONE; |
4288f619 LP |
958 | break; |
959 | } | |
960 | ||
f170852a | 961 | case 'h': |
fa0f4d8a | 962 | arg_action = ACTION_HELP; |
f170852a LP |
963 | break; |
964 | ||
1d2e23ab LP |
965 | case 'D': |
966 | log_set_max_level(LOG_DEBUG); | |
967 | break; | |
968 | ||
099663ff LP |
969 | case 'b': |
970 | case 's': | |
971 | case 'z': | |
972 | /* Just to eat away the sysvinit kernel | |
973 | * cmdline args without getopt() error | |
974 | * messages that we'll parse in | |
975 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 976 | |
099663ff | 977 | case '?': |
f170852a | 978 | default: |
099663ff LP |
979 | if (getpid() != 1) { |
980 | log_error("Unknown option code %c", c); | |
981 | return -EINVAL; | |
982 | } | |
983 | ||
984 | break; | |
f170852a LP |
985 | } |
986 | ||
d821e6d6 LP |
987 | if (optind < argc && getpid() != 1) { |
988 | /* Hmm, when we aren't run as init system | |
989 | * let's complain about excess arguments */ | |
990 | ||
991 | log_error("Excess arguments."); | |
992 | return -EINVAL; | |
993 | } | |
994 | ||
995 | if (detect_container(NULL) > 0) { | |
996 | char **a; | |
997 | ||
998 | /* All /proc/cmdline arguments the kernel didn't | |
999 | * understand it passed to us. We're not really | |
1000 | * interested in that usually since /proc/cmdline is | |
1001 | * more interesting and complete. With one exception: | |
1002 | * if we are run in a container /proc/cmdline is not | |
1003 | * relevant for the container, hence we rely on argv[] | |
1004 | * instead. */ | |
1005 | ||
1006 | for (a = argv; a < argv + argc; a++) | |
14212119 SL |
1007 | if ((r = parse_proc_cmdline_word(*a)) < 0) { |
1008 | log_error("Failed on cmdline argument %s: %s", *a, strerror(-r)); | |
d821e6d6 | 1009 | return r; |
14212119 | 1010 | } |
51f0e189 LP |
1011 | } |
1012 | ||
f170852a LP |
1013 | return 0; |
1014 | } | |
1015 | ||
1016 | static int help(void) { | |
1017 | ||
2e33c433 | 1018 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 1019 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 1020 | " -h --help Show this help\n" |
e537352b | 1021 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 1022 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 1023 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 1024 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 1025 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 1026 | " --user Run a user instance\n" |
a5d87bf0 LP |
1027 | " --dump-core[=0|1] Dump core on crash\n" |
1028 | " --crash-shell[=0|1] Run shell on crash\n" | |
1029 | " --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n" | |
6e98720f | 1030 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
4cfa2c99 | 1031 | " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 1032 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 1033 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
1034 | " --log-location[=0|1] Include code location in log messages\n" |
1035 | " --default-standard-output= Set default standard output for services\n" | |
1036 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1037 | program_invocation_short_name); |
f170852a LP |
1038 | |
1039 | return 0; | |
1040 | } | |
1041 | ||
9ba0bc4e ZJS |
1042 | static int version(void) { |
1043 | puts(PACKAGE_STRING); | |
9ba0bc4e ZJS |
1044 | puts(SYSTEMD_FEATURES); |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
b3680f49 | 1049 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { |
a16e1123 LP |
1050 | FILE *f = NULL; |
1051 | FDSet *fds = NULL; | |
1052 | int r; | |
1053 | ||
1054 | assert(m); | |
1055 | assert(_f); | |
1056 | assert(_fds); | |
1057 | ||
a7556052 LP |
1058 | /* Make sure nothing is really destructed when we shut down */ |
1059 | m->n_reloading ++; | |
1060 | ||
6b78f9b4 LP |
1061 | r = manager_open_serialization(m, &f); |
1062 | if (r < 0) { | |
35b8ca3a | 1063 | log_error("Failed to create serialization file: %s", strerror(-r)); |
a16e1123 LP |
1064 | goto fail; |
1065 | } | |
1066 | ||
6b78f9b4 LP |
1067 | fds = fdset_new(); |
1068 | if (!fds) { | |
a16e1123 LP |
1069 | r = -ENOMEM; |
1070 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1071 | goto fail; | |
1072 | } | |
1073 | ||
b3680f49 | 1074 | r = manager_serialize(m, f, fds, switching_root); |
6b78f9b4 | 1075 | if (r < 0) { |
a16e1123 LP |
1076 | log_error("Failed to serialize state: %s", strerror(-r)); |
1077 | goto fail; | |
1078 | } | |
1079 | ||
1080 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
1081 | log_error("Failed to rewind serialization fd: %m"); | |
1082 | goto fail; | |
1083 | } | |
1084 | ||
6b78f9b4 LP |
1085 | r = fd_cloexec(fileno(f), false); |
1086 | if (r < 0) { | |
a16e1123 LP |
1087 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); |
1088 | goto fail; | |
1089 | } | |
1090 | ||
6b78f9b4 LP |
1091 | r = fdset_cloexec(fds, false); |
1092 | if (r < 0) { | |
a16e1123 LP |
1093 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); |
1094 | goto fail; | |
1095 | } | |
1096 | ||
1097 | *_f = f; | |
1098 | *_fds = fds; | |
1099 | ||
1100 | return 0; | |
1101 | ||
1102 | fail: | |
1103 | fdset_free(fds); | |
1104 | ||
1105 | if (f) | |
1106 | fclose(f); | |
1107 | ||
1108 | return r; | |
1109 | } | |
1110 | ||
4096d6f5 LP |
1111 | static int bump_rlimit_nofile(struct rlimit *saved_rlimit) { |
1112 | struct rlimit nl; | |
1113 | int r; | |
1114 | ||
1115 | assert(saved_rlimit); | |
1116 | ||
1117 | /* Save the original RLIMIT_NOFILE so that we can reset it | |
1118 | * later when transitioning from the initrd to the main | |
1119 | * systemd or suchlike. */ | |
1120 | if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) { | |
1121 | log_error("Reading RLIMIT_NOFILE failed: %m"); | |
1122 | return -errno; | |
1123 | } | |
1124 | ||
1125 | /* Make sure forked processes get the default kernel setting */ | |
1126 | if (!arg_default_rlimit[RLIMIT_NOFILE]) { | |
1127 | struct rlimit *rl; | |
1128 | ||
1129 | rl = newdup(struct rlimit, saved_rlimit, 1); | |
1130 | if (!rl) | |
1131 | return log_oom(); | |
1132 | ||
1133 | arg_default_rlimit[RLIMIT_NOFILE] = rl; | |
1134 | } | |
1135 | ||
1136 | /* Bump up the resource limit for ourselves substantially */ | |
1137 | nl.rlim_cur = nl.rlim_max = 64*1024; | |
1138 | r = setrlimit_closest(RLIMIT_NOFILE, &nl); | |
1139 | if (r < 0) { | |
1140 | log_error("Setting RLIMIT_NOFILE failed: %s", strerror(-r)); | |
1141 | return r; | |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
e9ddabc2 LP |
1147 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
1148 | const char *e; | |
1149 | unsigned long long a, b; | |
1150 | ||
1151 | assert(t); | |
1152 | ||
966a5d37 LP |
1153 | e = getenv("RD_TIMESTAMP"); |
1154 | if (!e) | |
e9ddabc2 LP |
1155 | return NULL; |
1156 | ||
1157 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
1158 | return NULL; | |
1159 | ||
1160 | t->realtime = (usec_t) a; | |
1161 | t->monotonic = (usec_t) b; | |
1162 | ||
1163 | return t; | |
1164 | } | |
1165 | ||
6ee5bbf8 LP |
1166 | static void test_mtab(void) { |
1167 | char *p; | |
1168 | ||
80758717 LP |
1169 | /* Check that /etc/mtab is a symlink */ |
1170 | ||
6ee5bbf8 LP |
1171 | if (readlink_malloc("/etc/mtab", &p) >= 0) { |
1172 | bool b; | |
1173 | ||
ed86ebc4 | 1174 | b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts"); |
6ee5bbf8 LP |
1175 | free(p); |
1176 | ||
1177 | if (b) | |
1178 | return; | |
1179 | } | |
1180 | ||
80758717 LP |
1181 | log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1182 | "This is not supported anymore. " | |
1183 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1184 | } | |
1185 | ||
1186 | static void test_usr(void) { | |
80758717 | 1187 | |
ed1c99fc | 1188 | /* Check that /usr is not a separate fs */ |
80758717 | 1189 | |
871c44a7 LP |
1190 | if (dir_is_empty("/usr") <= 0) |
1191 | return; | |
1192 | ||
2376ce13 | 1193 | log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1194 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1195 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1196 | } | |
1197 | ||
1198 | static void test_cgroups(void) { | |
1199 | ||
1200 | if (access("/proc/cgroups", F_OK) >= 0) | |
1201 | return; | |
1202 | ||
1203 | log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. " | |
1204 | "Systems without control groups are not supported. " | |
1205 | "We will now sleep for 10s, and then continue boot-up. " | |
1206 | "Expect breakage and please do not file bugs. " | |
966a5d37 LP |
1207 | "Instead fix your kernel and enable CONFIG_CGROUPS. " |
1208 | "Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information."); | |
871c44a7 LP |
1209 | |
1210 | sleep(10); | |
6ee5bbf8 LP |
1211 | } |
1212 | ||
a07fdfa3 LP |
1213 | static int initialize_join_controllers(void) { |
1214 | /* By default, mount "cpu" + "cpuacct" together, and "net_cls" | |
1215 | * + "net_prio". We'd like to add "cpuset" to the mix, but | |
1216 | * "cpuset" does't really work for groups with no initialized | |
1217 | * attributes. */ | |
1218 | ||
1219 | arg_join_controllers = new(char**, 3); | |
1220 | if (!arg_join_controllers) | |
1221 | return -ENOMEM; | |
1222 | ||
1223 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
a07fdfa3 | 1224 | arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL); |
a6b26d90 ZJS |
1225 | arg_join_controllers[2] = NULL; |
1226 | ||
1227 | if (!arg_join_controllers[0] || !arg_join_controllers[1]) { | |
1228 | free_join_controllers(); | |
a07fdfa3 | 1229 | return -ENOMEM; |
a6b26d90 | 1230 | } |
a07fdfa3 | 1231 | |
a07fdfa3 LP |
1232 | return 0; |
1233 | } | |
1234 | ||
60918275 LP |
1235 | int main(int argc, char *argv[]) { |
1236 | Manager *m = NULL; | |
22f4096c | 1237 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1238 | usec_t before_startup, after_startup; |
1239 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1240 | FDSet *fds = NULL; |
1241 | bool reexecute = false; | |
b9080b03 | 1242 | const char *shutdown_verb = NULL; |
e9ddabc2 | 1243 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
c3a170f3 HH |
1244 | dual_timestamp userspace_timestamp = { 0ULL, 0ULL }; |
1245 | dual_timestamp kernel_timestamp = { 0ULL, 0ULL }; | |
5d6b1584 | 1246 | static char systemd[] = "systemd"; |
2660882b | 1247 | bool skip_setup = false; |
0b3325e7 LP |
1248 | int j; |
1249 | bool loaded_policy = false; | |
e96d6be7 | 1250 | bool arm_reboot_watchdog = false; |
bf4df7c3 | 1251 | bool queue_default_job = false; |
41669317 | 1252 | char *switch_root_dir = NULL, *switch_root_init = NULL; |
4096d6f5 | 1253 | static struct rlimit saved_rlimit_nofile = { 0, 0 }; |
27b14a22 | 1254 | |
058dc6f3 | 1255 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1256 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1257 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1258 | * calling init as a user is identical to telinit. */ |
1259 | ||
1260 | errno = -ENOENT; | |
1261 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
1262 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
1263 | return 1; | |
1264 | } | |
058dc6f3 | 1265 | #endif |
2cb1a60d | 1266 | |
c3a170f3 HH |
1267 | dual_timestamp_from_monotonic(&kernel_timestamp, 0); |
1268 | dual_timestamp_get(&userspace_timestamp); | |
1269 | ||
0b3325e7 LP |
1270 | /* Determine if this is a reexecution or normal bootup. We do |
1271 | * the full command line parsing much later, so let's just | |
1272 | * have a quick peek here. */ | |
db813c2a LP |
1273 | if (strv_find(argv+1, "--deserialize")) |
1274 | skip_setup = true; | |
0b3325e7 | 1275 | |
2660882b LP |
1276 | /* If we have switched root, do all the special setup |
1277 | * things */ | |
db813c2a LP |
1278 | if (strv_find(argv+1, "--switched-root")) |
1279 | skip_setup = false; | |
d03bc1b8 | 1280 | |
f3b6a3ed LP |
1281 | /* If we get started via the /sbin/init symlink then we are |
1282 | called 'init'. After a subsequent reexecution we are then | |
1283 | called 'systemd'. That is confusing, hence let's call us | |
1284 | systemd right-away. */ | |
f3b6a3ed LP |
1285 | program_invocation_short_name = systemd; |
1286 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1287 | |
9a0e6896 LP |
1288 | saved_argv = argv; |
1289 | saved_argc = argc; | |
f3b6a3ed | 1290 | |
2cc59dbf | 1291 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 1292 | |
a866073d | 1293 | if (getpid() == 1 && detect_container(NULL) <= 0) { |
4f8d551f | 1294 | |
a866073d | 1295 | /* Running outside of a container as PID 1 */ |
67445f4e | 1296 | arg_running_as = SYSTEMD_SYSTEM; |
a866073d LP |
1297 | make_null_stdio(); |
1298 | log_set_target(LOG_TARGET_KMSG); | |
1299 | log_open(); | |
1300 | ||
c3ba6250 HH |
1301 | if (in_initrd()) { |
1302 | char *rd_timestamp = NULL; | |
1303 | ||
c3a170f3 | 1304 | initrd_timestamp = userspace_timestamp; |
c3ba6250 HH |
1305 | asprintf(&rd_timestamp, "%llu %llu", |
1306 | (unsigned long long) initrd_timestamp.realtime, | |
1307 | (unsigned long long) initrd_timestamp.monotonic); | |
1308 | if (rd_timestamp) { | |
1309 | setenv("RD_TIMESTAMP", rd_timestamp, 1); | |
1310 | free(rd_timestamp); | |
1311 | } | |
1312 | } | |
1313 | ||
2660882b | 1314 | if (!skip_setup) { |
8f838d8a | 1315 | mount_setup_early(); |
0b3325e7 LP |
1316 | if (selinux_setup(&loaded_policy) < 0) |
1317 | goto finish; | |
81611586 RS |
1318 | if (ima_setup() < 0) |
1319 | goto finish; | |
ffbd2c4d NC |
1320 | if (smack_setup() < 0) |
1321 | goto finish; | |
81611586 | 1322 | } |
0b3325e7 | 1323 | |
e9a5ef7c | 1324 | if (label_init(NULL) < 0) |
0ff4cdd9 | 1325 | goto finish; |
7948c4df | 1326 | |
72edcff5 | 1327 | if (!skip_setup) { |
0b3325e7 LP |
1328 | if (hwclock_is_localtime() > 0) { |
1329 | int min; | |
7948c4df | 1330 | |
72edcff5 KS |
1331 | /* The first-time call to settimeofday() does a time warp in the kernel */ |
1332 | r = hwclock_set_timezone(&min); | |
0b3325e7 LP |
1333 | if (r < 0) |
1334 | log_error("Failed to apply local time delta, ignoring: %s", strerror(-r)); | |
1335 | else | |
1336 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
19e65613 KS |
1337 | } else if (!in_initrd()) { |
1338 | /* | |
1339 | * Do dummy first-time call to seal the kernel's time warp magic | |
1340 | * | |
1341 | * Do not call this this from inside the initrd. The initrd might not | |
1342 | * carry /etc/adjtime with LOCAL, but the real system could be set up | |
1343 | * that way. In such case, we need to delay the time-warp or the sealing | |
1344 | * until we reach the real system. | |
1345 | */ | |
72edcff5 | 1346 | hwclock_reset_timezone(); |
871e5809 | 1347 | |
72edcff5 KS |
1348 | /* Tell the kernel our time zone */ |
1349 | r = hwclock_set_timezone(NULL); | |
1350 | if (r < 0) | |
1351 | log_error("Failed to set the kernel's time zone, ignoring: %s", strerror(-r)); | |
1352 | } | |
1353 | } | |
a866073d LP |
1354 | |
1355 | /* Set the default for later on, but don't actually | |
1356 | * open the logs like this for now. Note that if we | |
1357 | * are transitioning from the initrd there might still | |
1358 | * be journal fd open, and we shouldn't attempt | |
1359 | * opening that before we parsed /proc/cmdline which | |
1360 | * might redirect output elsewhere. */ | |
1361 | log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); | |
1362 | ||
1363 | } else if (getpid() == 1) { | |
a866073d | 1364 | /* Running inside a container, as PID 1 */ |
67445f4e | 1365 | arg_running_as = SYSTEMD_SYSTEM; |
a866073d LP |
1366 | log_set_target(LOG_TARGET_CONSOLE); |
1367 | log_open(); | |
1368 | ||
1369 | /* For the later on, see above... */ | |
1370 | log_set_target(LOG_TARGET_JOURNAL); | |
1371 | ||
c3a170f3 HH |
1372 | /* clear the kernel timestamp, |
1373 | * because we are in a container */ | |
1374 | kernel_timestamp.monotonic = 0ULL; | |
1375 | kernel_timestamp.realtime = 0ULL; | |
a866073d | 1376 | |
c3a170f3 | 1377 | } else { |
a866073d | 1378 | /* Running as user instance */ |
67445f4e | 1379 | arg_running_as = SYSTEMD_USER; |
eeecf6e6 | 1380 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1381 | log_open(); |
c3a170f3 HH |
1382 | |
1383 | /* clear the kernel timestamp, | |
1384 | * because we are not PID 1 */ | |
1385 | kernel_timestamp.monotonic = 0ULL; | |
1386 | kernel_timestamp.realtime = 0ULL; | |
bbe63281 | 1387 | } |
a5dab5ce | 1388 | |
0c85a4f3 | 1389 | /* Initialize default unit */ |
6afa301b LP |
1390 | r = set_default_unit(SPECIAL_DEFAULT_TARGET); |
1391 | if (r < 0) { | |
14212119 | 1392 | log_error("Failed to set default unit %s: %s", SPECIAL_DEFAULT_TARGET, strerror(-r)); |
f170852a | 1393 | goto finish; |
14212119 | 1394 | } |
60918275 | 1395 | |
a07fdfa3 LP |
1396 | r = initialize_join_controllers(); |
1397 | if (r < 0) | |
0c85a4f3 LP |
1398 | goto finish; |
1399 | ||
f170852a LP |
1400 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1401 | * /proc/$PID/fd is available. */ | |
c1dae1b3 | 1402 | if (getpid() == 1) { |
0c85a4f3 LP |
1403 | r = mount_setup(loaded_policy); |
1404 | if (r < 0) | |
8efe3c01 | 1405 | goto finish; |
0c85a4f3 | 1406 | } |
4ade7963 LP |
1407 | |
1408 | /* Reset all signal handlers. */ | |
1409 | assert_se(reset_all_signal_handlers() == 0); | |
1410 | ||
9a34ec5f | 1411 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 1412 | |
487393e9 LP |
1413 | if (parse_config_file() < 0) |
1414 | goto finish; | |
1415 | ||
67445f4e | 1416 | if (arg_running_as == SYSTEMD_SYSTEM) |
a5dab5ce LP |
1417 | if (parse_proc_cmdline() < 0) |
1418 | goto finish; | |
f170852a LP |
1419 | |
1420 | log_parse_environment(); | |
1421 | ||
1422 | if (parse_argv(argc, argv) < 0) | |
1423 | goto finish; | |
1424 | ||
6bae23a0 TB |
1425 | if (arg_action == ACTION_TEST && |
1426 | geteuid() == 0) { | |
b5c6cf87 LP |
1427 | log_error("Don't run test mode as root."); |
1428 | goto finish; | |
1429 | } | |
1430 | ||
6bae23a0 TB |
1431 | if (arg_running_as == SYSTEMD_USER && |
1432 | arg_action == ACTION_RUN && | |
1433 | sd_booted() <= 0) { | |
1434 | log_error("Trying to run as user instance, but the system has not been booted with systemd."); | |
1435 | goto finish; | |
1436 | } | |
1437 | ||
67445f4e | 1438 | if (arg_running_as == SYSTEMD_SYSTEM && |
fe783b03 LP |
1439 | arg_action == ACTION_RUN && |
1440 | running_in_chroot() > 0) { | |
1441 | log_error("Cannot be run in a chroot() environment."); | |
1442 | goto finish; | |
1443 | } | |
1444 | ||
fa0f4d8a | 1445 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1446 | retval = help(); |
1447 | goto finish; | |
9ba0bc4e ZJS |
1448 | } else if (arg_action == ACTION_VERSION) { |
1449 | retval = version(); | |
1450 | goto finish; | |
fa0f4d8a | 1451 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1452 | unit_dump_config_items(stdout); |
22f4096c | 1453 | retval = EXIT_SUCCESS; |
e537352b | 1454 | goto finish; |
fa0f4d8a | 1455 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1456 | retval = EXIT_SUCCESS; |
4288f619 | 1457 | goto finish; |
f170852a LP |
1458 | } |
1459 | ||
fa0f4d8a | 1460 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1461 | |
871e5809 LP |
1462 | /* Close logging fds, in order not to confuse fdset below */ |
1463 | log_close(); | |
1464 | ||
a16e1123 | 1465 | /* Remember open file descriptors for later deserialization */ |
01e10de3 LP |
1466 | r = fdset_new_fill(&fds); |
1467 | if (r < 0) { | |
1468 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1469 | goto finish; | |
1470 | } else | |
1471 | fdset_cloexec(fds, true); | |
a16e1123 | 1472 | |
01e10de3 | 1473 | if (serialization) |
a16e1123 | 1474 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); |
a16e1123 | 1475 | |
09082a94 | 1476 | /* Set up PATH unless it is already set */ |
e537352b | 1477 | setenv("PATH", |
2c6db6fb | 1478 | #ifdef HAVE_SPLIT_USR |
e537352b | 1479 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", |
2c6db6fb LP |
1480 | #else |
1481 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin", | |
1482 | #endif | |
67445f4e | 1483 | arg_running_as == SYSTEMD_SYSTEM); |
09082a94 | 1484 | |
67445f4e | 1485 | if (arg_running_as == SYSTEMD_SYSTEM) { |
71ecc858 LP |
1486 | /* Parse the data passed to us. We leave this |
1487 | * variables set, but the manager later on will not | |
1488 | * pass them on to our children. */ | |
2660882b | 1489 | if (!in_initrd()) |
c3ba6250 | 1490 | parse_initrd_timestamp(&initrd_timestamp); |
e9ddabc2 LP |
1491 | |
1492 | /* Unset some environment variables passed in from the | |
1493 | * kernel that don't really make sense for us. */ | |
39439087 LP |
1494 | unsetenv("HOME"); |
1495 | unsetenv("TERM"); | |
b770165a | 1496 | |
9543ad16 LP |
1497 | /* When we are invoked by a shell, these might be set, |
1498 | * but make little sense to pass on */ | |
1499 | unsetenv("PWD"); | |
1500 | unsetenv("SHLVL"); | |
1501 | unsetenv("_"); | |
1502 | ||
2660882b | 1503 | /* When we are invoked by a chroot-like tool such as |
9f28b98e LP |
1504 | * nspawn, these might be set, but make little sense |
1505 | * to pass on */ | |
1506 | unsetenv("USER"); | |
1507 | unsetenv("LOGNAME"); | |
1508 | ||
01e10de3 LP |
1509 | /* We suppress the socket activation env vars, as |
1510 | * we'll try to match *any* open fd to units if | |
1511 | * possible. */ | |
1512 | unsetenv("LISTEN_FDS"); | |
1513 | unsetenv("LISTEN_PID"); | |
1514 | ||
b770165a LP |
1515 | /* All other variables are left as is, so that clients |
1516 | * can still read them via /proc/1/environ */ | |
39439087 | 1517 | } |
1104f3c1 | 1518 | |
f170852a LP |
1519 | /* Move out of the way, so that we won't block unmounts */ |
1520 | assert_se(chdir("/") == 0); | |
1521 | ||
67445f4e | 1522 | if (arg_running_as == SYSTEMD_SYSTEM) { |
80876c20 LP |
1523 | /* Become a session leader if we aren't one yet. */ |
1524 | setsid(); | |
4ade7963 | 1525 | |
80876c20 LP |
1526 | /* Disable the umask logic */ |
1527 | umask(0); | |
1528 | } | |
1529 | ||
843d2643 LP |
1530 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1531 | dbus_connection_set_change_sigpipe(FALSE); | |
1532 | ||
2146621b LP |
1533 | /* Reset the console, but only if this is really init and we |
1534 | * are freshly booted */ | |
67445f4e | 1535 | if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) |
2660882b | 1536 | console_setup(getpid() == 1 && !skip_setup); |
4ade7963 | 1537 | |
18149b9f | 1538 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1539 | log_open(); |
4ade7963 | 1540 | |
5373d602 LP |
1541 | /* Make sure we leave a core dump without panicing the |
1542 | * kernel. */ | |
ab422445 | 1543 | if (getpid() == 1) { |
4fc935ca | 1544 | install_crash_handler(); |
97c4f35c | 1545 | |
0c85a4f3 LP |
1546 | r = mount_cgroup_controllers(arg_join_controllers); |
1547 | if (r < 0) | |
1548 | goto finish; | |
1549 | } | |
1550 | ||
67445f4e | 1551 | if (arg_running_as == SYSTEMD_SYSTEM) { |
c20f5ac7 LP |
1552 | const char *virtualization = NULL; |
1553 | ||
bc270841 | 1554 | log_info(PACKAGE_STRING " running in system mode. (" SYSTEMD_FEATURES ")"); |
c20f5ac7 LP |
1555 | |
1556 | detect_virtualization(&virtualization); | |
1557 | if (virtualization) | |
1558 | log_info("Detected virtualization '%s'.", virtualization); | |
1559 | ||
26a1efdf LP |
1560 | if (in_initrd()) |
1561 | log_info("Running in initial RAM disk."); | |
1562 | ||
c20f5ac7 | 1563 | } else |
bc270841 | 1564 | log_debug(PACKAGE_STRING " running in user mode. (" SYSTEMD_FEATURES ")"); |
a5dab5ce | 1565 | |
67445f4e | 1566 | if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) { |
72bca11b LP |
1567 | locale_setup(); |
1568 | ||
6faa1114 | 1569 | if (arg_show_status || plymouth_running()) |
888c6216 LP |
1570 | status_welcome(); |
1571 | ||
e3043162 | 1572 | #ifdef HAVE_KMOD |
888c6216 | 1573 | kmod_setup(); |
e3043162 | 1574 | #endif |
888c6216 | 1575 | hostname_setup(); |
d7ccca2e | 1576 | machine_id_setup(); |
888c6216 | 1577 | loopback_setup(); |
490aed58 | 1578 | |
6ee5bbf8 | 1579 | test_mtab(); |
80758717 | 1580 | test_usr(); |
871c44a7 | 1581 | test_cgroups(); |
af5bc85d | 1582 | } |
302e8c4c | 1583 | |
67445f4e | 1584 | if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0) |
e96d6be7 LP |
1585 | watchdog_set_timeout(&arg_runtime_watchdog); |
1586 | ||
aa0f64ac LP |
1587 | if (arg_timer_slack_nsec != (nsec_t) -1) |
1588 | if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) | |
1589 | log_error("Failed to adjust timer slack: %m"); | |
1590 | ||
ec8927ca LP |
1591 | if (arg_capability_bounding_set_drop) { |
1592 | r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true); | |
1593 | if (r < 0) { | |
1594 | log_error("Failed to drop capability bounding set: %s", strerror(-r)); | |
1595 | goto finish; | |
1596 | } | |
939b8f14 LP |
1597 | r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop); |
1598 | if (r < 0) { | |
1599 | log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r)); | |
1600 | goto finish; | |
1601 | } | |
ec8927ca LP |
1602 | } |
1603 | ||
67445f4e | 1604 | if (arg_running_as == SYSTEMD_USER) { |
d4447f4d | 1605 | /* Become reaper of our children */ |
8b8ffe68 LP |
1606 | if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) { |
1607 | log_warning("Failed to make us a subreaper: %m"); | |
1608 | if (errno == EINVAL) | |
ddfa5101 | 1609 | log_info("Perhaps the kernel version is too old (< 3.4?)"); |
8b8ffe68 | 1610 | } |
d4447f4d AK |
1611 | } |
1612 | ||
67445f4e | 1613 | if (arg_running_as == SYSTEMD_SYSTEM) |
4096d6f5 LP |
1614 | bump_rlimit_nofile(&saved_rlimit_nofile); |
1615 | ||
e96d6be7 LP |
1616 | r = manager_new(arg_running_as, &m); |
1617 | if (r < 0) { | |
8e274523 | 1618 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1619 | goto finish; |
1620 | } | |
1621 | ||
9e58ff9c | 1622 | m->confirm_spawn = arg_confirm_spawn; |
0a494f1f LP |
1623 | m->default_std_output = arg_default_std_output; |
1624 | m->default_std_error = arg_default_std_error; | |
e96d6be7 LP |
1625 | m->runtime_watchdog = arg_runtime_watchdog; |
1626 | m->shutdown_watchdog = arg_shutdown_watchdog; | |
c3a170f3 HH |
1627 | m->userspace_timestamp = userspace_timestamp; |
1628 | m->kernel_timestamp = kernel_timestamp; | |
c3a170f3 | 1629 | m->initrd_timestamp = initrd_timestamp; |
9e58ff9c | 1630 | |
c93ff2e9 FC |
1631 | manager_set_default_rlimits(m, arg_default_rlimit); |
1632 | ||
97d0e5f8 UTL |
1633 | if (arg_default_environment) |
1634 | manager_set_default_environment(m, arg_default_environment); | |
1635 | ||
27d340c7 LP |
1636 | manager_set_show_status(m, arg_show_status); |
1637 | ||
bf4df7c3 LP |
1638 | /* Remember whether we should queue the default job */ |
1639 | queue_default_job = !serialization || arg_switched_root; | |
1640 | ||
9d76d730 LP |
1641 | before_startup = now(CLOCK_MONOTONIC); |
1642 | ||
e96d6be7 LP |
1643 | r = manager_startup(m, serialization, fds); |
1644 | if (r < 0) | |
6e2ef85b | 1645 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 | 1646 | |
bf4df7c3 LP |
1647 | /* This will close all file descriptors that were opened, but |
1648 | * not claimed by any unit. */ | |
01e10de3 | 1649 | fdset_free(fds); |
f50e0a01 | 1650 | |
a16e1123 LP |
1651 | if (serialization) { |
1652 | fclose(serialization); | |
1653 | serialization = NULL; | |
bf4df7c3 LP |
1654 | } |
1655 | ||
1656 | if (queue_default_job) { | |
398ef8ba | 1657 | DBusError error; |
1c27d3f3 | 1658 | Unit *target = NULL; |
bacbccb7 | 1659 | Job *default_unit_job; |
398ef8ba LP |
1660 | |
1661 | dbus_error_init(&error); | |
1662 | ||
fa0f4d8a | 1663 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1664 | |
e96d6be7 LP |
1665 | r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); |
1666 | if (r < 0) { | |
398ef8ba LP |
1667 | log_error("Failed to load default target: %s", bus_error(&error, r)); |
1668 | dbus_error_free(&error); | |
c2756a68 | 1669 | } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) |
ac155bb8 MS |
1670 | log_error("Failed to load default target: %s", strerror(-target->load_error)); |
1671 | else if (target->load_state == UNIT_MASKED) | |
6daf4f90 | 1672 | log_error("Default target masked."); |
27b14a22 | 1673 | |
ac155bb8 | 1674 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1675 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1676 | |
e96d6be7 LP |
1677 | r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); |
1678 | if (r < 0) { | |
398ef8ba LP |
1679 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); |
1680 | dbus_error_free(&error); | |
a16e1123 | 1681 | goto finish; |
c2756a68 | 1682 | } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_ERROR) { |
ac155bb8 | 1683 | log_error("Failed to load rescue target: %s", strerror(-target->load_error)); |
1c27d3f3 | 1684 | goto finish; |
ac155bb8 | 1685 | } else if (target->load_state == UNIT_MASKED) { |
6daf4f90 | 1686 | log_error("Rescue target masked."); |
00dc5d76 | 1687 | goto finish; |
a16e1123 LP |
1688 | } |
1689 | } | |
37d88da7 | 1690 | |
ac155bb8 | 1691 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1692 | |
fa0f4d8a | 1693 | if (arg_action == ACTION_TEST) { |
40d50879 | 1694 | printf("-> By units:\n"); |
a16e1123 LP |
1695 | manager_dump_units(m, stdout, "\t"); |
1696 | } | |
1697 | ||
95f1b47d | 1698 | r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job); |
ab17a050 | 1699 | if (r == -EPERM) { |
cd8f53ab | 1700 | log_debug("Default target could not be isolated, starting instead: %s", bus_error(&error, r)); |
ab17a050 LP |
1701 | dbus_error_free(&error); |
1702 | ||
1703 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); | |
1704 | if (r < 0) { | |
1705 | log_error("Failed to start default target: %s", bus_error(&error, r)); | |
1706 | dbus_error_free(&error); | |
1707 | goto finish; | |
1708 | } | |
1709 | } else if (r < 0) { | |
1710 | log_error("Failed to isolate default target: %s", bus_error(&error, r)); | |
398ef8ba | 1711 | dbus_error_free(&error); |
37d88da7 LP |
1712 | goto finish; |
1713 | } | |
ab17a050 | 1714 | |
bacbccb7 | 1715 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1716 | |
07672f49 LP |
1717 | after_startup = now(CLOCK_MONOTONIC); |
1718 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1719 | "Loaded units and determined initial transaction in %s.", | |
2fa4092c | 1720 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 0)); |
07672f49 | 1721 | |
fa0f4d8a | 1722 | if (arg_action == ACTION_TEST) { |
40d50879 | 1723 | printf("-> By jobs:\n"); |
a16e1123 | 1724 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1725 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1726 | goto finish; |
1727 | } | |
e965d56d | 1728 | } |
d46de8a1 | 1729 | |
a16e1123 | 1730 | for (;;) { |
e96d6be7 LP |
1731 | r = manager_loop(m); |
1732 | if (r < 0) { | |
a16e1123 LP |
1733 | log_error("Failed to run mainloop: %s", strerror(-r)); |
1734 | goto finish; | |
1735 | } | |
11dd41ce | 1736 | |
a16e1123 | 1737 | switch (m->exit_code) { |
e965d56d | 1738 | |
a16e1123 | 1739 | case MANAGER_EXIT: |
22f4096c | 1740 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1741 | log_debug("Exit."); |
1742 | goto finish; | |
e965d56d | 1743 | |
a16e1123 | 1744 | case MANAGER_RELOAD: |
e015090f | 1745 | log_info("Reloading."); |
e96d6be7 LP |
1746 | r = manager_reload(m); |
1747 | if (r < 0) | |
a16e1123 LP |
1748 | log_error("Failed to reload: %s", strerror(-r)); |
1749 | break; | |
cea8e32e | 1750 | |
a16e1123 | 1751 | case MANAGER_REEXECUTE: |
664f88a7 | 1752 | |
b3680f49 | 1753 | if (prepare_reexecute(m, &serialization, &fds, false) < 0) |
a16e1123 | 1754 | goto finish; |
60918275 | 1755 | |
a16e1123 | 1756 | reexecute = true; |
e015090f | 1757 | log_notice("Reexecuting."); |
a16e1123 LP |
1758 | goto finish; |
1759 | ||
664f88a7 LP |
1760 | case MANAGER_SWITCH_ROOT: |
1761 | /* Steal the switch root parameters */ | |
41669317 | 1762 | switch_root_dir = m->switch_root; |
664f88a7 LP |
1763 | switch_root_init = m->switch_root_init; |
1764 | m->switch_root = m->switch_root_init = NULL; | |
1765 | ||
1766 | if (!switch_root_init) | |
b3680f49 | 1767 | if (prepare_reexecute(m, &serialization, &fds, true) < 0) |
664f88a7 LP |
1768 | goto finish; |
1769 | ||
1770 | reexecute = true; | |
1771 | log_notice("Switching root."); | |
1772 | goto finish; | |
1773 | ||
b9080b03 FF |
1774 | case MANAGER_REBOOT: |
1775 | case MANAGER_POWEROFF: | |
1776 | case MANAGER_HALT: | |
1777 | case MANAGER_KEXEC: { | |
1778 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1779 | [MANAGER_REBOOT] = "reboot", | |
1780 | [MANAGER_POWEROFF] = "poweroff", | |
1781 | [MANAGER_HALT] = "halt", | |
1782 | [MANAGER_KEXEC] = "kexec" | |
1783 | }; | |
1784 | ||
1785 | assert_se(shutdown_verb = table[m->exit_code]); | |
e96d6be7 | 1786 | arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT; |
b9080b03 FF |
1787 | |
1788 | log_notice("Shutting down."); | |
1789 | goto finish; | |
1790 | } | |
1791 | ||
a16e1123 LP |
1792 | default: |
1793 | assert_not_reached("Unknown exit code."); | |
1794 | } | |
1795 | } | |
f170852a | 1796 | |
60918275 LP |
1797 | finish: |
1798 | if (m) | |
1799 | manager_free(m); | |
1800 | ||
c93ff2e9 | 1801 | for (j = 0; j < RLIMIT_NLIMITS; j++) |
4096d6f5 | 1802 | free(arg_default_rlimit[j]); |
c93ff2e9 | 1803 | |
fa0f4d8a | 1804 | free(arg_default_unit); |
0c85a4f3 | 1805 | free_join_controllers(); |
b9cd2ec1 | 1806 | |
ea430986 | 1807 | dbus_shutdown(); |
b2bb3dbe LP |
1808 | label_finish(); |
1809 | ||
a16e1123 | 1810 | if (reexecute) { |
664f88a7 | 1811 | const char **args; |
e564a982 | 1812 | unsigned i, args_size; |
a16e1123 | 1813 | |
664f88a7 LP |
1814 | /* Close and disarm the watchdog, so that the new |
1815 | * instance can reinitialize it, but doesn't get | |
1816 | * rebooted while we do that */ | |
1817 | watchdog_close(true); | |
a16e1123 | 1818 | |
4096d6f5 LP |
1819 | /* Reset the RLIMIT_NOFILE to the kernel default, so |
1820 | * that the new systemd can pass the kernel default to | |
1821 | * its child processes */ | |
1822 | if (saved_rlimit_nofile.rlim_cur > 0) | |
1823 | setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile); | |
1824 | ||
41669317 | 1825 | if (switch_root_dir) { |
cee530bb LP |
1826 | /* Kill all remaining processes from the |
1827 | * initrd, but don't wait for them, so that we | |
1828 | * can handle the SIGCHLD for them after | |
1829 | * deserializing. */ | |
1830 | broadcast_signal(SIGTERM, false); | |
bd3fa1d2 LP |
1831 | |
1832 | /* And switch root */ | |
41669317 LP |
1833 | r = switch_root(switch_root_dir); |
1834 | if (r < 0) | |
1835 | log_error("Failed to switch root, ignoring: %s", strerror(-r)); | |
1836 | } | |
a16e1123 | 1837 | |
d03bc1b8 | 1838 | args_size = MAX(6, argc+1); |
e564a982 | 1839 | args = newa(const char*, args_size); |
a16e1123 | 1840 | |
664f88a7 LP |
1841 | if (!switch_root_init) { |
1842 | char sfd[16]; | |
a16e1123 | 1843 | |
664f88a7 LP |
1844 | /* First try to spawn ourselves with the right |
1845 | * path, and with full serialization. We do | |
1846 | * this only if the user didn't specify an | |
1847 | * explicit init to spawn. */ | |
edb9aaa8 | 1848 | |
664f88a7 LP |
1849 | assert(serialization); |
1850 | assert(fds); | |
edb9aaa8 | 1851 | |
664f88a7 LP |
1852 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); |
1853 | char_array_0(sfd); | |
edb9aaa8 | 1854 | |
664f88a7 LP |
1855 | i = 0; |
1856 | args[i++] = SYSTEMD_BINARY_PATH; | |
41669317 | 1857 | if (switch_root_dir) |
2660882b | 1858 | args[i++] = "--switched-root"; |
67445f4e | 1859 | args[i++] = arg_running_as == SYSTEMD_SYSTEM ? "--system" : "--user"; |
664f88a7 LP |
1860 | args[i++] = "--deserialize"; |
1861 | args[i++] = sfd; | |
1862 | args[i++] = NULL; | |
edb9aaa8 | 1863 | |
e564a982 | 1864 | assert(i <= args_size); |
664f88a7 LP |
1865 | execv(args[0], (char* const*) args); |
1866 | } | |
6e98720f | 1867 | |
664f88a7 LP |
1868 | /* Try the fallback, if there is any, without any |
1869 | * serialization. We pass the original argv[] and | |
1870 | * envp[]. (Well, modulo the ordering changes due to | |
1871 | * getopt() in argv[], and some cleanups in envp[], | |
1872 | * but let's hope that doesn't matter.) */ | |
a16e1123 | 1873 | |
b8f83232 | 1874 | if (serialization) { |
664f88a7 | 1875 | fclose(serialization); |
b8f83232 LP |
1876 | serialization = NULL; |
1877 | } | |
a16e1123 | 1878 | |
b8f83232 | 1879 | if (fds) { |
664f88a7 | 1880 | fdset_free(fds); |
b8f83232 LP |
1881 | fds = NULL; |
1882 | } | |
a16e1123 | 1883 | |
a504223d HH |
1884 | /* Reopen the console */ |
1885 | make_console_stdio(); | |
1886 | ||
b8f83232 | 1887 | for (j = 1, i = 1; j < argc; j++) |
664f88a7 | 1888 | args[i++] = argv[j]; |
a16e1123 | 1889 | args[i++] = NULL; |
e564a982 | 1890 | assert(i <= args_size); |
b8f83232 LP |
1891 | |
1892 | if (switch_root_init) { | |
1893 | args[0] = switch_root_init; | |
1894 | execv(args[0], (char* const*) args); | |
1895 | log_warning("Failed to execute configured init, trying fallback: %m"); | |
1896 | } | |
1897 | ||
1898 | args[0] = "/sbin/init"; | |
a16e1123 LP |
1899 | execv(args[0], (char* const*) args); |
1900 | ||
745e2fb7 KS |
1901 | if (errno == ENOENT) { |
1902 | log_warning("No /sbin/init, trying fallback"); | |
b8f83232 | 1903 | |
745e2fb7 KS |
1904 | args[0] = "/bin/sh"; |
1905 | args[1] = NULL; | |
1906 | execv(args[0], (char* const*) args); | |
1907 | log_error("Failed to execute /bin/sh, giving up: %m"); | |
1908 | } else | |
1909 | log_warning("Failed to execute /sbin/init, giving up: %m"); | |
a16e1123 LP |
1910 | } |
1911 | ||
1912 | if (serialization) | |
1913 | fclose(serialization); | |
1914 | ||
1915 | if (fds) | |
1916 | fdset_free(fds); | |
1917 | ||
b9080b03 FF |
1918 | if (shutdown_verb) { |
1919 | const char * command_line[] = { | |
1920 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1921 | shutdown_verb, | |
1922 | NULL | |
1923 | }; | |
d18f337c | 1924 | char **env_block; |
b9080b03 | 1925 | |
e96d6be7 | 1926 | if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) { |
d18f337c LP |
1927 | char e[32]; |
1928 | ||
e96d6be7 LP |
1929 | /* If we reboot let's set the shutdown |
1930 | * watchdog and tell the shutdown binary to | |
1931 | * repeatedly ping it */ | |
1932 | watchdog_set_timeout(&arg_shutdown_watchdog); | |
1933 | watchdog_close(false); | |
1934 | ||
1935 | /* Tell the binary how often to ping */ | |
1936 | snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog); | |
1937 | char_array_0(e); | |
d18f337c LP |
1938 | |
1939 | env_block = strv_append(environ, e); | |
1940 | } else { | |
1941 | env_block = strv_copy(environ); | |
e96d6be7 | 1942 | watchdog_close(true); |
d18f337c | 1943 | } |
e96d6be7 | 1944 | |
d18f337c LP |
1945 | execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block); |
1946 | free(env_block); | |
b9080b03 FF |
1947 | log_error("Failed to execute shutdown binary, freezing: %m"); |
1948 | } | |
1949 | ||
c3b3c274 LP |
1950 | if (getpid() == 1) |
1951 | freeze(); | |
1952 | ||
60918275 LP |
1953 | return retval; |
1954 | } |