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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" |
c3a170f3 | 72 | #include "efivars.h" |
b6e66135 | 73 | |
f170852a LP |
74 | static enum { |
75 | ACTION_RUN, | |
e965d56d | 76 | ACTION_HELP, |
9ba0bc4e | 77 | ACTION_VERSION, |
e537352b | 78 | ACTION_TEST, |
4288f619 LP |
79 | ACTION_DUMP_CONFIGURATION_ITEMS, |
80 | ACTION_DONE | |
fa0f4d8a | 81 | } arg_action = ACTION_RUN; |
f170852a | 82 | |
fa0f4d8a | 83 | static char *arg_default_unit = NULL; |
67445f4e | 84 | static SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID; |
fa0f4d8a LP |
85 | |
86 | static bool arg_dump_core = true; | |
87 | static bool arg_crash_shell = false; | |
88 | static int arg_crash_chvt = -1; | |
89 | static bool arg_confirm_spawn = false; | |
9e58ff9c | 90 | static bool arg_show_status = true; |
bf4df7c3 | 91 | static bool arg_switched_root = false; |
06d4c99a | 92 | static char **arg_default_controllers = NULL; |
0c85a4f3 | 93 | static char ***arg_join_controllers = NULL; |
706343f4 | 94 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 95 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
e96d6be7 LP |
96 | static usec_t arg_runtime_watchdog = 0; |
97 | static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; | |
c93ff2e9 | 98 | static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {}; |
ec8927ca | 99 | static uint64_t arg_capability_bounding_set_drop = 0; |
aa0f64ac | 100 | static nsec_t arg_timer_slack_nsec = (nsec_t) -1; |
4fc935ca | 101 | |
a16e1123 | 102 | static FILE* serialization = NULL; |
80876c20 | 103 | |
6f5e3f35 LP |
104 | static void nop_handler(int sig) { |
105 | } | |
106 | ||
93a46b0b | 107 | _noreturn_ static void crash(int sig) { |
97c4f35c | 108 | |
fa0f4d8a | 109 | if (!arg_dump_core) |
582a507f | 110 | log_error("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 111 | else { |
b92bea5d ZJS |
112 | struct sigaction sa = { |
113 | .sa_handler = nop_handler, | |
114 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, | |
115 | }; | |
97c4f35c LP |
116 | pid_t pid; |
117 | ||
6f5e3f35 | 118 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
6f5e3f35 LP |
119 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
120 | ||
e62d8c39 ZJS |
121 | pid = fork(); |
122 | if (pid < 0) | |
7989e1f2 | 123 | log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno)); |
97c4f35c LP |
124 | |
125 | else if (pid == 0) { | |
b92bea5d | 126 | struct rlimit rl = {}; |
97c4f35c LP |
127 | |
128 | /* Enable default signal handler for core dump */ | |
129 | zero(sa); | |
130 | sa.sa_handler = SIG_DFL; | |
131 | assert_se(sigaction(sig, &sa, NULL) == 0); | |
132 | ||
133 | /* Don't limit the core dump size */ | |
97c4f35c LP |
134 | rl.rlim_cur = RLIM_INFINITY; |
135 | rl.rlim_max = RLIM_INFINITY; | |
136 | setrlimit(RLIMIT_CORE, &rl); | |
137 | ||
138 | /* Just to be sure... */ | |
139 | assert_se(chdir("/") == 0); | |
140 | ||
141 | /* Raise the signal again */ | |
142 | raise(sig); | |
143 | ||
144 | assert_not_reached("We shouldn't be here..."); | |
145 | _exit(1); | |
4fc935ca LP |
146 | |
147 | } else { | |
8e12a6ae LP |
148 | siginfo_t status; |
149 | int r; | |
4fc935ca LP |
150 | |
151 | /* Order things nicely. */ | |
e62d8c39 ZJS |
152 | r = wait_for_terminate(pid, &status); |
153 | if (r < 0) | |
7989e1f2 | 154 | log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r)); |
8e12a6ae | 155 | else if (status.si_code != CLD_DUMPED) |
7989e1f2 | 156 | log_error("Caught <%s>, core dump failed.", signal_to_string(sig)); |
4fc935ca | 157 | else |
7989e1f2 | 158 | log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid); |
97c4f35c LP |
159 | } |
160 | } | |
161 | ||
fa0f4d8a LP |
162 | if (arg_crash_chvt) |
163 | chvt(arg_crash_chvt); | |
601f6a1e | 164 | |
fa0f4d8a | 165 | if (arg_crash_shell) { |
b92bea5d ZJS |
166 | struct sigaction sa = { |
167 | .sa_handler = SIG_IGN, | |
168 | .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, | |
169 | }; | |
6f5e3f35 | 170 | pid_t pid; |
8c43883a | 171 | |
4fc935ca LP |
172 | log_info("Executing crash shell in 10s..."); |
173 | sleep(10); | |
174 | ||
6f5e3f35 | 175 | /* Let the kernel reap children for us */ |
6f5e3f35 | 176 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
8c43883a | 177 | |
cd3bd60a LP |
178 | pid = fork(); |
179 | if (pid < 0) | |
14212119 | 180 | log_error("Failed to fork off crash shell: %m"); |
6f5e3f35 | 181 | else if (pid == 0) { |
cd3bd60a | 182 | make_console_stdio(); |
6f5e3f35 LP |
183 | execl("/bin/sh", "/bin/sh", NULL); |
184 | ||
14212119 | 185 | log_error("execl() failed: %m"); |
6f5e3f35 LP |
186 | _exit(1); |
187 | } | |
c99b188e | 188 | |
7989e1f2 | 189 | log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid); |
4fc935ca LP |
190 | } |
191 | ||
192 | log_info("Freezing execution."); | |
97c4f35c LP |
193 | freeze(); |
194 | } | |
195 | ||
196 | static void install_crash_handler(void) { | |
b92bea5d ZJS |
197 | struct sigaction sa = { |
198 | .sa_handler = crash, | |
199 | .sa_flags = SA_NODEFER, | |
200 | }; | |
97c4f35c | 201 | |
1b91d3e8 | 202 | sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); |
97c4f35c | 203 | } |
f170852a | 204 | |
843d2643 LP |
205 | static int console_setup(bool do_reset) { |
206 | int tty_fd, r; | |
80876c20 | 207 | |
843d2643 LP |
208 | /* If we are init, we connect stdin/stdout/stderr to /dev/null |
209 | * and make sure we don't have a controlling tty. */ | |
80876c20 | 210 | |
843d2643 LP |
211 | release_terminal(); |
212 | ||
213 | if (!do_reset) | |
214 | return 0; | |
80876c20 | 215 | |
512947d4 MS |
216 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
217 | if (tty_fd < 0) { | |
843d2643 LP |
218 | log_error("Failed to open /dev/console: %s", strerror(-tty_fd)); |
219 | return -tty_fd; | |
220 | } | |
80876c20 | 221 | |
512947d4 MS |
222 | /* We don't want to force text mode. |
223 | * plymouth may be showing pictures already from initrd. */ | |
224 | r = reset_terminal_fd(tty_fd, false); | |
225 | if (r < 0) | |
843d2643 LP |
226 | log_error("Failed to reset /dev/console: %s", strerror(-r)); |
227 | ||
228 | close_nointr_nofail(tty_fd); | |
80876c20 LP |
229 | return r; |
230 | } | |
231 | ||
f170852a LP |
232 | static int set_default_unit(const char *u) { |
233 | char *c; | |
234 | ||
235 | assert(u); | |
236 | ||
bf4df7c3 LP |
237 | c = strdup(u); |
238 | if (!c) | |
f170852a LP |
239 | return -ENOMEM; |
240 | ||
fa0f4d8a LP |
241 | free(arg_default_unit); |
242 | arg_default_unit = c; | |
bf4df7c3 | 243 | |
f170852a LP |
244 | return 0; |
245 | } | |
246 | ||
247 | static int parse_proc_cmdline_word(const char *word) { | |
248 | ||
249 | static const char * const rlmap[] = { | |
ed370f5d | 250 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 251 | "-b", SPECIAL_EMERGENCY_TARGET, |
ed370f5d LP |
252 | "single", SPECIAL_RESCUE_TARGET, |
253 | "-s", SPECIAL_RESCUE_TARGET, | |
254 | "s", SPECIAL_RESCUE_TARGET, | |
255 | "S", SPECIAL_RESCUE_TARGET, | |
256 | "1", SPECIAL_RESCUE_TARGET, | |
257 | "2", SPECIAL_RUNLEVEL2_TARGET, | |
258 | "3", SPECIAL_RUNLEVEL3_TARGET, | |
259 | "4", SPECIAL_RUNLEVEL4_TARGET, | |
260 | "5", SPECIAL_RUNLEVEL5_TARGET, | |
f170852a LP |
261 | }; |
262 | ||
5192bd19 LP |
263 | assert(word); |
264 | ||
bf4df7c3 LP |
265 | if (startswith(word, "systemd.unit=")) { |
266 | ||
267 | if (!in_initrd()) | |
268 | return set_default_unit(word + 13); | |
269 | ||
270 | } else if (startswith(word, "rd.systemd.unit=")) { | |
271 | ||
272 | if (in_initrd()) | |
273 | return set_default_unit(word + 16); | |
f170852a | 274 | |
bf4df7c3 | 275 | } else if (startswith(word, "systemd.log_target=")) { |
f170852a LP |
276 | |
277 | if (log_set_target_from_string(word + 19) < 0) | |
278 | log_warning("Failed to parse log target %s. Ignoring.", word + 19); | |
279 | ||
280 | } else if (startswith(word, "systemd.log_level=")) { | |
281 | ||
282 | if (log_set_max_level_from_string(word + 18) < 0) | |
283 | log_warning("Failed to parse log level %s. Ignoring.", word + 18); | |
284 | ||
bbe63281 LP |
285 | } else if (startswith(word, "systemd.log_color=")) { |
286 | ||
287 | if (log_show_color_from_string(word + 18) < 0) | |
288 | log_warning("Failed to parse log color setting %s. Ignoring.", word + 18); | |
289 | ||
290 | } else if (startswith(word, "systemd.log_location=")) { | |
291 | ||
292 | if (log_show_location_from_string(word + 21) < 0) | |
293 | log_warning("Failed to parse log location setting %s. Ignoring.", word + 21); | |
294 | ||
4fc935ca LP |
295 | } else if (startswith(word, "systemd.dump_core=")) { |
296 | int r; | |
297 | ||
298 | if ((r = parse_boolean(word + 18)) < 0) | |
509b6efb | 299 | log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18); |
4fc935ca | 300 | else |
fa0f4d8a | 301 | arg_dump_core = r; |
4fc935ca LP |
302 | |
303 | } else if (startswith(word, "systemd.crash_shell=")) { | |
304 | int r; | |
305 | ||
306 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 307 | log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20); |
4fc935ca | 308 | else |
fa0f4d8a | 309 | arg_crash_shell = r; |
5e7ee61c LP |
310 | |
311 | } else if (startswith(word, "systemd.confirm_spawn=")) { | |
312 | int r; | |
313 | ||
314 | if ((r = parse_boolean(word + 22)) < 0) | |
509b6efb | 315 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22); |
5e7ee61c | 316 | else |
fa0f4d8a | 317 | arg_confirm_spawn = r; |
5e7ee61c | 318 | |
601f6a1e LP |
319 | } else if (startswith(word, "systemd.crash_chvt=")) { |
320 | int k; | |
321 | ||
322 | if (safe_atoi(word + 19, &k) < 0) | |
509b6efb | 323 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19); |
601f6a1e | 324 | else |
fa0f4d8a | 325 | arg_crash_chvt = k; |
601f6a1e | 326 | |
9e58ff9c LP |
327 | } else if (startswith(word, "systemd.show_status=")) { |
328 | int r; | |
329 | ||
330 | if ((r = parse_boolean(word + 20)) < 0) | |
509b6efb | 331 | log_warning("Failed to parse show status switch %s. Ignoring.", word + 20); |
6e98720f | 332 | else |
9e58ff9c | 333 | arg_show_status = r; |
0a494f1f LP |
334 | } else if (startswith(word, "systemd.default_standard_output=")) { |
335 | int r; | |
336 | ||
337 | if ((r = exec_output_from_string(word + 32)) < 0) | |
509b6efb | 338 | log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32); |
0a494f1f LP |
339 | else |
340 | arg_default_std_output = r; | |
341 | } else if (startswith(word, "systemd.default_standard_error=")) { | |
342 | int r; | |
343 | ||
344 | if ((r = exec_output_from_string(word + 31)) < 0) | |
509b6efb | 345 | log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31); |
0a494f1f LP |
346 | else |
347 | arg_default_std_error = r; | |
9e7c5357 | 348 | } else if (startswith(word, "systemd.setenv=")) { |
0c4025d1 LP |
349 | _cleanup_free_ char *cenv = NULL; |
350 | char *eq; | |
9e7c5357 WD |
351 | int r; |
352 | ||
353 | cenv = strdup(word + 15); | |
354 | if (!cenv) | |
355 | return -ENOMEM; | |
356 | ||
357 | eq = strchr(cenv, '='); | |
358 | if (!eq) { | |
0c4025d1 LP |
359 | if (!env_name_is_valid(cenv)) |
360 | log_warning("Environment variable name '%s' is not valid. Ignoring.", cenv); | |
361 | else { | |
362 | r = unsetenv(cenv); | |
363 | if (r < 0) | |
364 | log_warning("Unsetting environment variable '%s' failed, ignoring: %m", cenv); | |
365 | } | |
9e7c5357 | 366 | } else { |
0c4025d1 LP |
367 | if (!env_assignment_is_valid(cenv)) |
368 | log_warning("Environment variable assignment '%s' is not valid. Ignoring.", cenv); | |
369 | else { | |
370 | *eq = 0; | |
371 | r = setenv(cenv, eq + 1, 1); | |
372 | if (r < 0) | |
373 | log_warning("Setting environment variable '%s=%s' failed, ignoring: %m", cenv, eq + 1); | |
374 | } | |
9e7c5357 | 375 | } |
9e58ff9c | 376 | |
66a78c2b LP |
377 | } else if (startswith(word, "systemd.") || |
378 | (in_initrd() && startswith(word, "rd.systemd."))) { | |
4fc935ca | 379 | |
dd7c30c3 LP |
380 | const char *c; |
381 | ||
382 | /* Ignore systemd.journald.xyz and friends */ | |
383 | c = word; | |
384 | if (startswith(c, "rd.")) | |
385 | c += 3; | |
386 | if (startswith(c, "systemd.")) | |
387 | c += 8; | |
388 | if (c[strcspn(c, ".=")] != '.') { | |
389 | ||
390 | log_warning("Unknown kernel switch %s. Ignoring.", word); | |
391 | ||
392 | log_info("Supported kernel switches:\n" | |
393 | "systemd.unit=UNIT Default unit to start\n" | |
394 | "rd.systemd.unit=UNIT Default unit to start when run in initrd\n" | |
395 | "systemd.dump_core=0|1 Dump core on crash\n" | |
396 | "systemd.crash_shell=0|1 Run shell on crash\n" | |
397 | "systemd.crash_chvt=N Change to VT #N on crash\n" | |
398 | "systemd.confirm_spawn=0|1 Confirm every process spawn\n" | |
399 | "systemd.show_status=0|1 Show status updates on the console during bootup\n" | |
400 | "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n" | |
401 | " Log target\n" | |
402 | "systemd.log_level=LEVEL Log level\n" | |
403 | "systemd.log_color=0|1 Highlight important log messages\n" | |
404 | "systemd.log_location=0|1 Include code location in log messages\n" | |
405 | "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" | |
406 | " Set default log output for services\n" | |
407 | "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n" | |
408 | " Set default log error output for services\n" | |
409 | "systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n"); | |
410 | } | |
4fc935ca | 411 | |
d081dffb | 412 | } else if (streq(word, "quiet")) |
6e98720f | 413 | arg_show_status = false; |
d081dffb | 414 | else if (!in_initrd()) { |
f170852a LP |
415 | unsigned i; |
416 | ||
417 | /* SysV compatibility */ | |
f170852a LP |
418 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
419 | if (streq(word, rlmap[i])) | |
420 | return set_default_unit(rlmap[i+1]); | |
421 | } | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
e8e581bf ZJS |
426 | #define DEFINE_SETTER(name, func, descr) \ |
427 | static int name(const char *unit, \ | |
428 | const char *filename, \ | |
429 | unsigned line, \ | |
430 | const char *section, \ | |
431 | const char *lvalue, \ | |
432 | int ltype, \ | |
433 | const char *rvalue, \ | |
434 | void *data, \ | |
435 | void *userdata) { \ | |
436 | \ | |
437 | int r; \ | |
438 | \ | |
439 | assert(filename); \ | |
440 | assert(lvalue); \ | |
441 | assert(rvalue); \ | |
442 | \ | |
443 | r = func(rvalue); \ | |
444 | if (r < 0) \ | |
445 | log_syntax(unit, LOG_ERR, filename, line, -r, \ | |
446 | "Invalid " descr "'%s': %s", \ | |
447 | rvalue, strerror(-r)); \ | |
448 | \ | |
449 | return 0; \ | |
450 | } | |
487393e9 | 451 | |
e8e581bf ZJS |
452 | DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level") |
453 | DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target") | |
454 | DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" ) | |
455 | DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location") | |
487393e9 | 456 | |
487393e9 | 457 | |
e8e581bf ZJS |
458 | static int config_parse_cpu_affinity2(const char *unit, |
459 | const char *filename, | |
460 | unsigned line, | |
461 | const char *section, | |
462 | const char *lvalue, | |
463 | int ltype, | |
464 | const char *rvalue, | |
465 | void *data, | |
466 | void *userdata) { | |
487393e9 LP |
467 | |
468 | char *w; | |
469 | size_t l; | |
470 | char *state; | |
471 | cpu_set_t *c = NULL; | |
472 | unsigned ncpus = 0; | |
473 | ||
474 | assert(filename); | |
475 | assert(lvalue); | |
476 | assert(rvalue); | |
477 | ||
f60f22df | 478 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
487393e9 LP |
479 | char *t; |
480 | int r; | |
481 | unsigned cpu; | |
482 | ||
483 | if (!(t = strndup(w, l))) | |
14212119 | 484 | return log_oom(); |
487393e9 LP |
485 | |
486 | r = safe_atou(t, &cpu); | |
487 | free(t); | |
488 | ||
489 | if (!c) | |
490 | if (!(c = cpu_set_malloc(&ncpus))) | |
14212119 | 491 | return log_oom(); |
487393e9 LP |
492 | |
493 | if (r < 0 || cpu >= ncpus) { | |
e8e581bf ZJS |
494 | log_syntax(unit, LOG_ERR, filename, line, -r, |
495 | "Failed to parse CPU affinity '%s'", rvalue); | |
487393e9 LP |
496 | CPU_FREE(c); |
497 | return -EBADMSG; | |
498 | } | |
499 | ||
500 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c); | |
501 | } | |
502 | ||
503 | if (c) { | |
504 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) | |
e8e581bf | 505 | log_warning_unit(unit, "Failed to set CPU affinity: %m"); |
487393e9 LP |
506 | |
507 | CPU_FREE(c); | |
508 | } | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
0c85a4f3 LP |
513 | static void strv_free_free(char ***l) { |
514 | char ***i; | |
515 | ||
516 | if (!l) | |
517 | return; | |
518 | ||
519 | for (i = l; *i; i++) | |
520 | strv_free(*i); | |
521 | ||
522 | free(l); | |
523 | } | |
524 | ||
525 | static void free_join_controllers(void) { | |
0c85a4f3 LP |
526 | strv_free_free(arg_join_controllers); |
527 | arg_join_controllers = NULL; | |
528 | } | |
529 | ||
e8e581bf ZJS |
530 | static int config_parse_join_controllers(const char *unit, |
531 | const char *filename, | |
532 | unsigned line, | |
533 | const char *section, | |
534 | const char *lvalue, | |
535 | int ltype, | |
536 | const char *rvalue, | |
537 | void *data, | |
538 | void *userdata) { | |
0c85a4f3 LP |
539 | |
540 | unsigned n = 0; | |
541 | char *state, *w; | |
542 | size_t length; | |
543 | ||
544 | assert(filename); | |
545 | assert(lvalue); | |
546 | assert(rvalue); | |
547 | ||
548 | free_join_controllers(); | |
549 | ||
550 | FOREACH_WORD_QUOTED(w, length, rvalue, state) { | |
551 | char *s, **l; | |
552 | ||
553 | s = strndup(w, length); | |
554 | if (!s) | |
14212119 | 555 | return log_oom(); |
0c85a4f3 LP |
556 | |
557 | l = strv_split(s, ","); | |
558 | free(s); | |
559 | ||
560 | strv_uniq(l); | |
561 | ||
562 | if (strv_length(l) <= 1) { | |
563 | strv_free(l); | |
564 | continue; | |
565 | } | |
566 | ||
567 | if (!arg_join_controllers) { | |
568 | arg_join_controllers = new(char**, 2); | |
569 | if (!arg_join_controllers) { | |
570 | strv_free(l); | |
14212119 | 571 | return log_oom(); |
0c85a4f3 LP |
572 | } |
573 | ||
574 | arg_join_controllers[0] = l; | |
575 | arg_join_controllers[1] = NULL; | |
576 | ||
577 | n = 1; | |
578 | } else { | |
579 | char ***a; | |
580 | char ***t; | |
581 | ||
582 | t = new0(char**, n+2); | |
583 | if (!t) { | |
584 | strv_free(l); | |
14212119 | 585 | return log_oom(); |
0c85a4f3 LP |
586 | } |
587 | ||
588 | n = 0; | |
589 | ||
590 | for (a = arg_join_controllers; *a; a++) { | |
591 | ||
592 | if (strv_overlap(*a, l)) { | |
593 | char **c; | |
594 | ||
595 | c = strv_merge(*a, l); | |
596 | if (!c) { | |
597 | strv_free(l); | |
598 | strv_free_free(t); | |
14212119 | 599 | return log_oom(); |
0c85a4f3 LP |
600 | } |
601 | ||
602 | strv_free(l); | |
603 | l = c; | |
604 | } else { | |
605 | char **c; | |
606 | ||
607 | c = strv_copy(*a); | |
608 | if (!c) { | |
609 | strv_free(l); | |
610 | strv_free_free(t); | |
14212119 | 611 | return log_oom(); |
0c85a4f3 LP |
612 | } |
613 | ||
614 | t[n++] = c; | |
615 | } | |
616 | } | |
617 | ||
618 | t[n++] = strv_uniq(l); | |
619 | ||
620 | strv_free_free(arg_join_controllers); | |
621 | arg_join_controllers = t; | |
622 | } | |
623 | } | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
487393e9 LP |
628 | static int parse_config_file(void) { |
629 | ||
f975e971 LP |
630 | const ConfigTableItem items[] = { |
631 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, | |
632 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
633 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
634 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
635 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
636 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
637 | { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status }, | |
f975e971 LP |
638 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, |
639 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
f975e971 LP |
640 | { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers }, |
641 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, | |
642 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
0c85a4f3 | 643 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, |
7f602784 LP |
644 | { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, |
645 | { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, | |
ec8927ca | 646 | { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop }, |
aa0f64ac | 647 | { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, |
c93ff2e9 FC |
648 | { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]}, |
649 | { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]}, | |
650 | { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]}, | |
651 | { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]}, | |
652 | { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]}, | |
653 | { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]}, | |
654 | { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]}, | |
655 | { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]}, | |
656 | { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]}, | |
657 | { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]}, | |
658 | { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]}, | |
659 | { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]}, | |
660 | { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]}, | |
661 | { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]}, | |
662 | { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]}, | |
663 | { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]}, | |
f975e971 | 664 | { NULL, NULL, NULL, 0, NULL } |
487393e9 LP |
665 | }; |
666 | ||
7fd1b19b | 667 | _cleanup_fclose_ FILE *f; |
487393e9 LP |
668 | const char *fn; |
669 | int r; | |
670 | ||
19adb8a3 | 671 | fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf"; |
f975e971 LP |
672 | f = fopen(fn, "re"); |
673 | if (!f) { | |
487393e9 LP |
674 | if (errno == ENOENT) |
675 | return 0; | |
676 | ||
677 | log_warning("Failed to open configuration file '%s': %m", fn); | |
678 | return 0; | |
679 | } | |
680 | ||
db5c0122 | 681 | r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL); |
f975e971 | 682 | if (r < 0) |
487393e9 LP |
683 | log_warning("Failed to parse configuration file: %s", strerror(-r)); |
684 | ||
487393e9 LP |
685 | return 0; |
686 | } | |
687 | ||
f170852a | 688 | static int parse_proc_cmdline(void) { |
7fd1b19b | 689 | _cleanup_free_ char *line = NULL; |
543295ad | 690 | char *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 | ||
543295ad ZJS |
699 | r = read_one_line_file("/proc/cmdline", &line); |
700 | if (r < 0) { | |
e364ad06 | 701 | log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); |
f170852a LP |
702 | return 0; |
703 | } | |
704 | ||
705 | FOREACH_WORD_QUOTED(w, l, line, state) { | |
7fd1b19b | 706 | _cleanup_free_ char *word; |
f170852a | 707 | |
543295ad ZJS |
708 | word = strndup(w, l); |
709 | if (!word) | |
710 | return log_oom(); | |
f170852a LP |
711 | |
712 | r = parse_proc_cmdline_word(word); | |
14212119 SL |
713 | if (r < 0) { |
714 | log_error("Failed on cmdline argument %s: %s", word, strerror(-r)); | |
543295ad | 715 | return r; |
14212119 | 716 | } |
f170852a LP |
717 | } |
718 | ||
543295ad | 719 | return 0; |
f170852a LP |
720 | } |
721 | ||
722 | static int parse_argv(int argc, char *argv[]) { | |
723 | ||
724 | enum { | |
725 | ARG_LOG_LEVEL = 0x100, | |
726 | ARG_LOG_TARGET, | |
bbe63281 LP |
727 | ARG_LOG_COLOR, |
728 | ARG_LOG_LOCATION, | |
2f198e2f | 729 | ARG_UNIT, |
edb9aaa8 | 730 | ARG_SYSTEM, |
af2d49f7 | 731 | ARG_USER, |
e537352b | 732 | ARG_TEST, |
9ba0bc4e | 733 | ARG_VERSION, |
80876c20 | 734 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
735 | ARG_DUMP_CORE, |
736 | ARG_CRASH_SHELL, | |
a16e1123 | 737 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 738 | ARG_SHOW_STATUS, |
4288f619 | 739 | ARG_DESERIALIZE, |
2660882b | 740 | ARG_SWITCHED_ROOT, |
0a494f1f LP |
741 | ARG_INTROSPECT, |
742 | ARG_DEFAULT_STD_OUTPUT, | |
743 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
744 | }; |
745 | ||
746 | static const struct option options[] = { | |
a16e1123 LP |
747 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
748 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
749 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
750 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 751 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 752 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 753 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 LP |
754 | { "test", no_argument, NULL, ARG_TEST }, |
755 | { "help", no_argument, NULL, 'h' }, | |
9ba0bc4e | 756 | { "version", no_argument, NULL, ARG_VERSION }, |
a16e1123 | 757 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, |
a5d87bf0 LP |
758 | { "dump-core", optional_argument, NULL, ARG_DUMP_CORE }, |
759 | { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL }, | |
760 | { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN }, | |
6e98720f | 761 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 762 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
2660882b | 763 | { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, |
4288f619 | 764 | { "introspect", optional_argument, NULL, ARG_INTROSPECT }, |
0a494f1f LP |
765 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
766 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
a16e1123 | 767 | { NULL, 0, NULL, 0 } |
f170852a LP |
768 | }; |
769 | ||
770 | int c, r; | |
771 | ||
772 | assert(argc >= 1); | |
773 | assert(argv); | |
774 | ||
b770165a LP |
775 | if (getpid() == 1) |
776 | opterr = 0; | |
777 | ||
099663ff | 778 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
779 | |
780 | switch (c) { | |
781 | ||
782 | case ARG_LOG_LEVEL: | |
783 | if ((r = log_set_max_level_from_string(optarg)) < 0) { | |
784 | log_error("Failed to parse log level %s.", optarg); | |
785 | return r; | |
786 | } | |
787 | ||
788 | break; | |
789 | ||
790 | case ARG_LOG_TARGET: | |
791 | ||
792 | if ((r = log_set_target_from_string(optarg)) < 0) { | |
793 | log_error("Failed to parse log target %s.", optarg); | |
794 | return r; | |
795 | } | |
796 | ||
797 | break; | |
798 | ||
bbe63281 LP |
799 | case ARG_LOG_COLOR: |
800 | ||
d0b170c8 LP |
801 | if (optarg) { |
802 | if ((r = log_show_color_from_string(optarg)) < 0) { | |
803 | log_error("Failed to parse log color setting %s.", optarg); | |
804 | return r; | |
805 | } | |
806 | } else | |
807 | log_show_color(true); | |
bbe63281 LP |
808 | |
809 | break; | |
810 | ||
811 | case ARG_LOG_LOCATION: | |
812 | ||
d0b170c8 LP |
813 | if (optarg) { |
814 | if ((r = log_show_location_from_string(optarg)) < 0) { | |
815 | log_error("Failed to parse log location setting %s.", optarg); | |
816 | return r; | |
817 | } | |
818 | } else | |
819 | log_show_location(true); | |
bbe63281 LP |
820 | |
821 | break; | |
822 | ||
0a494f1f LP |
823 | case ARG_DEFAULT_STD_OUTPUT: |
824 | ||
825 | if ((r = exec_output_from_string(optarg)) < 0) { | |
826 | log_error("Failed to parse default standard output setting %s.", optarg); | |
827 | return r; | |
828 | } else | |
829 | arg_default_std_output = r; | |
830 | break; | |
831 | ||
832 | case ARG_DEFAULT_STD_ERROR: | |
833 | ||
834 | if ((r = exec_output_from_string(optarg)) < 0) { | |
835 | log_error("Failed to parse default standard error output setting %s.", optarg); | |
836 | return r; | |
837 | } else | |
838 | arg_default_std_error = r; | |
839 | break; | |
840 | ||
2f198e2f | 841 | case ARG_UNIT: |
f170852a LP |
842 | |
843 | if ((r = set_default_unit(optarg)) < 0) { | |
844 | log_error("Failed to set default unit %s: %s", optarg, strerror(-r)); | |
845 | return r; | |
846 | } | |
847 | ||
848 | break; | |
849 | ||
edb9aaa8 | 850 | case ARG_SYSTEM: |
67445f4e | 851 | arg_running_as = SYSTEMD_SYSTEM; |
edb9aaa8 | 852 | break; |
a5dab5ce | 853 | |
af2d49f7 | 854 | case ARG_USER: |
67445f4e | 855 | arg_running_as = SYSTEMD_USER; |
a5dab5ce | 856 | break; |
a5dab5ce | 857 | |
e965d56d | 858 | case ARG_TEST: |
fa0f4d8a | 859 | arg_action = ACTION_TEST; |
e965d56d LP |
860 | break; |
861 | ||
9ba0bc4e ZJS |
862 | case ARG_VERSION: |
863 | arg_action = ACTION_VERSION; | |
864 | break; | |
865 | ||
e537352b | 866 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 867 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
868 | break; |
869 | ||
9e58ff9c | 870 | case ARG_DUMP_CORE: |
a5d87bf0 LP |
871 | r = optarg ? parse_boolean(optarg) : 1; |
872 | if (r < 0) { | |
873 | log_error("Failed to parse dump core boolean %s.", optarg); | |
874 | return r; | |
875 | } | |
876 | arg_dump_core = r; | |
9e58ff9c LP |
877 | break; |
878 | ||
879 | case ARG_CRASH_SHELL: | |
a5d87bf0 LP |
880 | r = optarg ? parse_boolean(optarg) : 1; |
881 | if (r < 0) { | |
882 | log_error("Failed to parse crash shell boolean %s.", optarg); | |
883 | return r; | |
884 | } | |
885 | arg_crash_shell = r; | |
9e58ff9c LP |
886 | break; |
887 | ||
80876c20 | 888 | case ARG_CONFIRM_SPAWN: |
a5d87bf0 LP |
889 | r = optarg ? parse_boolean(optarg) : 1; |
890 | if (r < 0) { | |
891 | log_error("Failed to parse confirm spawn boolean %s.", optarg); | |
892 | return r; | |
893 | } | |
894 | arg_confirm_spawn = r; | |
80876c20 LP |
895 | break; |
896 | ||
9e58ff9c | 897 | case ARG_SHOW_STATUS: |
a5d87bf0 LP |
898 | r = optarg ? parse_boolean(optarg) : 1; |
899 | if (r < 0) { | |
900 | log_error("Failed to parse show status boolean %s.", optarg); | |
901 | return r; | |
902 | } | |
903 | arg_show_status = r; | |
6e98720f | 904 | break; |
a5d87bf0 | 905 | |
a16e1123 LP |
906 | case ARG_DESERIALIZE: { |
907 | int fd; | |
908 | FILE *f; | |
909 | ||
01e10de3 LP |
910 | r = safe_atoi(optarg, &fd); |
911 | if (r < 0 || fd < 0) { | |
a16e1123 | 912 | log_error("Failed to parse deserialize option %s.", optarg); |
01e10de3 | 913 | return r < 0 ? r : -EINVAL; |
a16e1123 LP |
914 | } |
915 | ||
01e10de3 LP |
916 | fd_cloexec(fd, true); |
917 | ||
918 | f = fdopen(fd, "r"); | |
919 | if (!f) { | |
a16e1123 | 920 | log_error("Failed to open serialization fd: %m"); |
01e10de3 | 921 | return -errno; |
a16e1123 LP |
922 | } |
923 | ||
924 | if (serialization) | |
925 | fclose(serialization); | |
926 | ||
927 | serialization = f; | |
928 | ||
929 | break; | |
930 | } | |
931 | ||
2660882b | 932 | case ARG_SWITCHED_ROOT: |
bf4df7c3 | 933 | arg_switched_root = true; |
d03bc1b8 HH |
934 | break; |
935 | ||
4288f619 LP |
936 | case ARG_INTROSPECT: { |
937 | const char * const * i = NULL; | |
938 | ||
939 | for (i = bus_interface_table; *i; i += 2) | |
940 | if (!optarg || streq(i[0], optarg)) { | |
941 | fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE | |
942 | "<node>\n", stdout); | |
943 | fputs(i[1], stdout); | |
944 | fputs("</node>\n", stdout); | |
945 | ||
946 | if (optarg) | |
947 | break; | |
948 | } | |
949 | ||
950 | if (!i[0] && optarg) | |
951 | log_error("Unknown interface %s.", optarg); | |
952 | ||
fa0f4d8a | 953 | arg_action = ACTION_DONE; |
4288f619 LP |
954 | break; |
955 | } | |
956 | ||
f170852a | 957 | case 'h': |
fa0f4d8a | 958 | arg_action = ACTION_HELP; |
f170852a LP |
959 | break; |
960 | ||
1d2e23ab LP |
961 | case 'D': |
962 | log_set_max_level(LOG_DEBUG); | |
963 | break; | |
964 | ||
099663ff LP |
965 | case 'b': |
966 | case 's': | |
967 | case 'z': | |
968 | /* Just to eat away the sysvinit kernel | |
969 | * cmdline args without getopt() error | |
970 | * messages that we'll parse in | |
971 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 972 | |
099663ff | 973 | case '?': |
f170852a | 974 | default: |
099663ff LP |
975 | if (getpid() != 1) { |
976 | log_error("Unknown option code %c", c); | |
977 | return -EINVAL; | |
978 | } | |
979 | ||
980 | break; | |
f170852a LP |
981 | } |
982 | ||
d821e6d6 LP |
983 | if (optind < argc && getpid() != 1) { |
984 | /* Hmm, when we aren't run as init system | |
985 | * let's complain about excess arguments */ | |
986 | ||
987 | log_error("Excess arguments."); | |
988 | return -EINVAL; | |
989 | } | |
990 | ||
991 | if (detect_container(NULL) > 0) { | |
992 | char **a; | |
993 | ||
994 | /* All /proc/cmdline arguments the kernel didn't | |
995 | * understand it passed to us. We're not really | |
996 | * interested in that usually since /proc/cmdline is | |
997 | * more interesting and complete. With one exception: | |
998 | * if we are run in a container /proc/cmdline is not | |
999 | * relevant for the container, hence we rely on argv[] | |
1000 | * instead. */ | |
1001 | ||
1002 | for (a = argv; a < argv + argc; a++) | |
14212119 SL |
1003 | if ((r = parse_proc_cmdline_word(*a)) < 0) { |
1004 | log_error("Failed on cmdline argument %s: %s", *a, strerror(-r)); | |
d821e6d6 | 1005 | return r; |
14212119 | 1006 | } |
51f0e189 LP |
1007 | } |
1008 | ||
f170852a LP |
1009 | return 0; |
1010 | } | |
1011 | ||
1012 | static int help(void) { | |
1013 | ||
2e33c433 | 1014 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 1015 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 1016 | " -h --help Show this help\n" |
e537352b | 1017 | " --test Determine startup sequence, dump it and exit\n" |
80876c20 | 1018 | " --dump-configuration-items Dump understood unit configuration items\n" |
bbe63281 | 1019 | " --introspect[=INTERFACE] Extract D-Bus interface data\n" |
9e58ff9c | 1020 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 1021 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 1022 | " --user Run a user instance\n" |
a5d87bf0 LP |
1023 | " --dump-core[=0|1] Dump core on crash\n" |
1024 | " --crash-shell[=0|1] Run shell on crash\n" | |
1025 | " --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n" | |
6e98720f | 1026 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
4cfa2c99 | 1027 | " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n" |
9e58ff9c | 1028 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 1029 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
1030 | " --log-location[=0|1] Include code location in log messages\n" |
1031 | " --default-standard-output= Set default standard output for services\n" | |
1032 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1033 | program_invocation_short_name); |
f170852a LP |
1034 | |
1035 | return 0; | |
1036 | } | |
1037 | ||
9ba0bc4e ZJS |
1038 | static int version(void) { |
1039 | puts(PACKAGE_STRING); | |
9ba0bc4e ZJS |
1040 | puts(SYSTEMD_FEATURES); |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
b3680f49 | 1045 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { |
a16e1123 LP |
1046 | FILE *f = NULL; |
1047 | FDSet *fds = NULL; | |
1048 | int r; | |
1049 | ||
1050 | assert(m); | |
1051 | assert(_f); | |
1052 | assert(_fds); | |
1053 | ||
a7556052 LP |
1054 | /* Make sure nothing is really destructed when we shut down */ |
1055 | m->n_reloading ++; | |
1056 | ||
6b78f9b4 LP |
1057 | r = manager_open_serialization(m, &f); |
1058 | if (r < 0) { | |
35b8ca3a | 1059 | log_error("Failed to create serialization file: %s", strerror(-r)); |
a16e1123 LP |
1060 | goto fail; |
1061 | } | |
1062 | ||
6b78f9b4 LP |
1063 | fds = fdset_new(); |
1064 | if (!fds) { | |
a16e1123 LP |
1065 | r = -ENOMEM; |
1066 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1067 | goto fail; | |
1068 | } | |
1069 | ||
b3680f49 | 1070 | r = manager_serialize(m, f, fds, switching_root); |
6b78f9b4 | 1071 | if (r < 0) { |
a16e1123 LP |
1072 | log_error("Failed to serialize state: %s", strerror(-r)); |
1073 | goto fail; | |
1074 | } | |
1075 | ||
1076 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
1077 | log_error("Failed to rewind serialization fd: %m"); | |
1078 | goto fail; | |
1079 | } | |
1080 | ||
6b78f9b4 LP |
1081 | r = fd_cloexec(fileno(f), false); |
1082 | if (r < 0) { | |
a16e1123 LP |
1083 | log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r)); |
1084 | goto fail; | |
1085 | } | |
1086 | ||
6b78f9b4 LP |
1087 | r = fdset_cloexec(fds, false); |
1088 | if (r < 0) { | |
a16e1123 LP |
1089 | log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r)); |
1090 | goto fail; | |
1091 | } | |
1092 | ||
1093 | *_f = f; | |
1094 | *_fds = fds; | |
1095 | ||
1096 | return 0; | |
1097 | ||
1098 | fail: | |
1099 | fdset_free(fds); | |
1100 | ||
1101 | if (f) | |
1102 | fclose(f); | |
1103 | ||
1104 | return r; | |
1105 | } | |
1106 | ||
4096d6f5 LP |
1107 | static int bump_rlimit_nofile(struct rlimit *saved_rlimit) { |
1108 | struct rlimit nl; | |
1109 | int r; | |
1110 | ||
1111 | assert(saved_rlimit); | |
1112 | ||
1113 | /* Save the original RLIMIT_NOFILE so that we can reset it | |
1114 | * later when transitioning from the initrd to the main | |
1115 | * systemd or suchlike. */ | |
1116 | if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) { | |
1117 | log_error("Reading RLIMIT_NOFILE failed: %m"); | |
1118 | return -errno; | |
1119 | } | |
1120 | ||
1121 | /* Make sure forked processes get the default kernel setting */ | |
1122 | if (!arg_default_rlimit[RLIMIT_NOFILE]) { | |
1123 | struct rlimit *rl; | |
1124 | ||
1125 | rl = newdup(struct rlimit, saved_rlimit, 1); | |
1126 | if (!rl) | |
1127 | return log_oom(); | |
1128 | ||
1129 | arg_default_rlimit[RLIMIT_NOFILE] = rl; | |
1130 | } | |
1131 | ||
1132 | /* Bump up the resource limit for ourselves substantially */ | |
1133 | nl.rlim_cur = nl.rlim_max = 64*1024; | |
1134 | r = setrlimit_closest(RLIMIT_NOFILE, &nl); | |
1135 | if (r < 0) { | |
1136 | log_error("Setting RLIMIT_NOFILE failed: %s", strerror(-r)); | |
1137 | return r; | |
1138 | } | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
e9ddabc2 LP |
1143 | static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) { |
1144 | const char *e; | |
1145 | unsigned long long a, b; | |
1146 | ||
1147 | assert(t); | |
1148 | ||
966a5d37 LP |
1149 | e = getenv("RD_TIMESTAMP"); |
1150 | if (!e) | |
e9ddabc2 LP |
1151 | return NULL; |
1152 | ||
1153 | if (sscanf(e, "%llu %llu", &a, &b) != 2) | |
1154 | return NULL; | |
1155 | ||
1156 | t->realtime = (usec_t) a; | |
1157 | t->monotonic = (usec_t) b; | |
1158 | ||
1159 | return t; | |
1160 | } | |
1161 | ||
6ee5bbf8 LP |
1162 | static void test_mtab(void) { |
1163 | char *p; | |
1164 | ||
80758717 LP |
1165 | /* Check that /etc/mtab is a symlink */ |
1166 | ||
6ee5bbf8 LP |
1167 | if (readlink_malloc("/etc/mtab", &p) >= 0) { |
1168 | bool b; | |
1169 | ||
ed86ebc4 | 1170 | b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts"); |
6ee5bbf8 LP |
1171 | free(p); |
1172 | ||
1173 | if (b) | |
1174 | return; | |
1175 | } | |
1176 | ||
80758717 LP |
1177 | log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1178 | "This is not supported anymore. " | |
1179 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1180 | } | |
1181 | ||
1182 | static void test_usr(void) { | |
80758717 | 1183 | |
ed1c99fc | 1184 | /* Check that /usr is not a separate fs */ |
80758717 | 1185 | |
871c44a7 LP |
1186 | if (dir_is_empty("/usr") <= 0) |
1187 | return; | |
1188 | ||
2376ce13 | 1189 | log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1190 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1191 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1192 | } | |
1193 | ||
1194 | static void test_cgroups(void) { | |
1195 | ||
1196 | if (access("/proc/cgroups", F_OK) >= 0) | |
1197 | return; | |
1198 | ||
1199 | log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. " | |
1200 | "Systems without control groups are not supported. " | |
1201 | "We will now sleep for 10s, and then continue boot-up. " | |
1202 | "Expect breakage and please do not file bugs. " | |
966a5d37 LP |
1203 | "Instead fix your kernel and enable CONFIG_CGROUPS. " |
1204 | "Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information."); | |
871c44a7 LP |
1205 | |
1206 | sleep(10); | |
6ee5bbf8 LP |
1207 | } |
1208 | ||
a07fdfa3 LP |
1209 | static int initialize_join_controllers(void) { |
1210 | /* By default, mount "cpu" + "cpuacct" together, and "net_cls" | |
1211 | * + "net_prio". We'd like to add "cpuset" to the mix, but | |
1212 | * "cpuset" does't really work for groups with no initialized | |
1213 | * attributes. */ | |
1214 | ||
1215 | arg_join_controllers = new(char**, 3); | |
1216 | if (!arg_join_controllers) | |
1217 | return -ENOMEM; | |
1218 | ||
1219 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
a07fdfa3 | 1220 | arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL); |
a6b26d90 ZJS |
1221 | arg_join_controllers[2] = NULL; |
1222 | ||
1223 | if (!arg_join_controllers[0] || !arg_join_controllers[1]) { | |
1224 | free_join_controllers(); | |
a07fdfa3 | 1225 | return -ENOMEM; |
a6b26d90 | 1226 | } |
a07fdfa3 | 1227 | |
a07fdfa3 LP |
1228 | return 0; |
1229 | } | |
1230 | ||
60918275 LP |
1231 | int main(int argc, char *argv[]) { |
1232 | Manager *m = NULL; | |
22f4096c | 1233 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1234 | usec_t before_startup, after_startup; |
1235 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1236 | FDSet *fds = NULL; |
1237 | bool reexecute = false; | |
b9080b03 | 1238 | const char *shutdown_verb = NULL; |
e9ddabc2 | 1239 | dual_timestamp initrd_timestamp = { 0ULL, 0ULL }; |
c3a170f3 HH |
1240 | dual_timestamp userspace_timestamp = { 0ULL, 0ULL }; |
1241 | dual_timestamp kernel_timestamp = { 0ULL, 0ULL }; | |
1242 | dual_timestamp firmware_timestamp = { 0ULL, 0ULL }; | |
1243 | dual_timestamp loader_timestamp = { 0ULL, 0ULL }; | |
5d6b1584 | 1244 | static char systemd[] = "systemd"; |
2660882b | 1245 | bool skip_setup = false; |
0b3325e7 LP |
1246 | int j; |
1247 | bool loaded_policy = false; | |
e96d6be7 | 1248 | bool arm_reboot_watchdog = false; |
bf4df7c3 | 1249 | bool queue_default_job = false; |
41669317 | 1250 | char *switch_root_dir = NULL, *switch_root_init = NULL; |
4096d6f5 | 1251 | static struct rlimit saved_rlimit_nofile = { 0, 0 }; |
27b14a22 | 1252 | |
058dc6f3 | 1253 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1254 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1255 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1256 | * calling init as a user is identical to telinit. */ |
1257 | ||
1258 | errno = -ENOENT; | |
1259 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
1260 | log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); | |
1261 | return 1; | |
1262 | } | |
058dc6f3 | 1263 | #endif |
2cb1a60d | 1264 | |
c3a170f3 HH |
1265 | dual_timestamp_from_monotonic(&kernel_timestamp, 0); |
1266 | dual_timestamp_get(&userspace_timestamp); | |
1267 | ||
0b3325e7 LP |
1268 | /* Determine if this is a reexecution or normal bootup. We do |
1269 | * the full command line parsing much later, so let's just | |
1270 | * have a quick peek here. */ | |
db813c2a LP |
1271 | if (strv_find(argv+1, "--deserialize")) |
1272 | skip_setup = true; | |
0b3325e7 | 1273 | |
2660882b LP |
1274 | /* If we have switched root, do all the special setup |
1275 | * things */ | |
db813c2a LP |
1276 | if (strv_find(argv+1, "--switched-root")) |
1277 | skip_setup = false; | |
d03bc1b8 | 1278 | |
f3b6a3ed LP |
1279 | /* If we get started via the /sbin/init symlink then we are |
1280 | called 'init'. After a subsequent reexecution we are then | |
1281 | called 'systemd'. That is confusing, hence let's call us | |
1282 | systemd right-away. */ | |
f3b6a3ed LP |
1283 | program_invocation_short_name = systemd; |
1284 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1285 | |
9a0e6896 LP |
1286 | saved_argv = argv; |
1287 | saved_argc = argc; | |
f3b6a3ed | 1288 | |
2cc59dbf | 1289 | log_show_color(isatty(STDERR_FILENO) > 0); |
bbe63281 | 1290 | |
a866073d | 1291 | if (getpid() == 1 && detect_container(NULL) <= 0) { |
c3a170f3 HH |
1292 | #ifdef ENABLE_EFI |
1293 | efi_get_boot_timestamps(&userspace_timestamp, &firmware_timestamp, &loader_timestamp); | |
1294 | #endif | |
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 | ||
078e4539 | 1411 | /* If we are init, we can block sigkill. Yay. */ |
9a34ec5f | 1412 | ignore_signals(SIGNALS_IGNORE, -1); |
078e4539 | 1413 | |
487393e9 LP |
1414 | if (parse_config_file() < 0) |
1415 | goto finish; | |
1416 | ||
67445f4e | 1417 | if (arg_running_as == SYSTEMD_SYSTEM) |
a5dab5ce LP |
1418 | if (parse_proc_cmdline() < 0) |
1419 | goto finish; | |
f170852a LP |
1420 | |
1421 | log_parse_environment(); | |
1422 | ||
1423 | if (parse_argv(argc, argv) < 0) | |
1424 | goto finish; | |
1425 | ||
6bae23a0 TB |
1426 | if (arg_action == ACTION_TEST && |
1427 | geteuid() == 0) { | |
b5c6cf87 LP |
1428 | log_error("Don't run test mode as root."); |
1429 | goto finish; | |
1430 | } | |
1431 | ||
6bae23a0 TB |
1432 | if (arg_running_as == SYSTEMD_USER && |
1433 | arg_action == ACTION_RUN && | |
1434 | sd_booted() <= 0) { | |
1435 | log_error("Trying to run as user instance, but the system has not been booted with systemd."); | |
1436 | goto finish; | |
1437 | } | |
1438 | ||
67445f4e | 1439 | if (arg_running_as == SYSTEMD_SYSTEM && |
fe783b03 LP |
1440 | arg_action == ACTION_RUN && |
1441 | running_in_chroot() > 0) { | |
1442 | log_error("Cannot be run in a chroot() environment."); | |
1443 | goto finish; | |
1444 | } | |
1445 | ||
fa0f4d8a | 1446 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1447 | retval = help(); |
1448 | goto finish; | |
9ba0bc4e ZJS |
1449 | } else if (arg_action == ACTION_VERSION) { |
1450 | retval = version(); | |
1451 | goto finish; | |
fa0f4d8a | 1452 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1453 | unit_dump_config_items(stdout); |
22f4096c | 1454 | retval = EXIT_SUCCESS; |
e537352b | 1455 | goto finish; |
fa0f4d8a | 1456 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1457 | retval = EXIT_SUCCESS; |
4288f619 | 1458 | goto finish; |
f170852a LP |
1459 | } |
1460 | ||
fa0f4d8a | 1461 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1462 | |
871e5809 LP |
1463 | /* Close logging fds, in order not to confuse fdset below */ |
1464 | log_close(); | |
1465 | ||
a16e1123 | 1466 | /* Remember open file descriptors for later deserialization */ |
01e10de3 LP |
1467 | r = fdset_new_fill(&fds); |
1468 | if (r < 0) { | |
1469 | log_error("Failed to allocate fd set: %s", strerror(-r)); | |
1470 | goto finish; | |
1471 | } else | |
1472 | fdset_cloexec(fds, true); | |
a16e1123 | 1473 | |
01e10de3 | 1474 | if (serialization) |
a16e1123 | 1475 | assert_se(fdset_remove(fds, fileno(serialization)) >= 0); |
a16e1123 | 1476 | |
09082a94 | 1477 | /* Set up PATH unless it is already set */ |
e537352b | 1478 | setenv("PATH", |
2c6db6fb | 1479 | #ifdef HAVE_SPLIT_USR |
e537352b | 1480 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", |
2c6db6fb LP |
1481 | #else |
1482 | "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin", | |
1483 | #endif | |
67445f4e | 1484 | arg_running_as == SYSTEMD_SYSTEM); |
09082a94 | 1485 | |
67445f4e | 1486 | if (arg_running_as == SYSTEMD_SYSTEM) { |
71ecc858 LP |
1487 | /* Parse the data passed to us. We leave this |
1488 | * variables set, but the manager later on will not | |
1489 | * pass them on to our children. */ | |
2660882b | 1490 | if (!in_initrd()) |
c3ba6250 | 1491 | parse_initrd_timestamp(&initrd_timestamp); |
e9ddabc2 LP |
1492 | |
1493 | /* Unset some environment variables passed in from the | |
1494 | * kernel that don't really make sense for us. */ | |
39439087 LP |
1495 | unsetenv("HOME"); |
1496 | unsetenv("TERM"); | |
b770165a | 1497 | |
9543ad16 LP |
1498 | /* When we are invoked by a shell, these might be set, |
1499 | * but make little sense to pass on */ | |
1500 | unsetenv("PWD"); | |
1501 | unsetenv("SHLVL"); | |
1502 | unsetenv("_"); | |
1503 | ||
2660882b | 1504 | /* When we are invoked by a chroot-like tool such as |
9f28b98e LP |
1505 | * nspawn, these might be set, but make little sense |
1506 | * to pass on */ | |
1507 | unsetenv("USER"); | |
1508 | unsetenv("LOGNAME"); | |
1509 | ||
01e10de3 LP |
1510 | /* We suppress the socket activation env vars, as |
1511 | * we'll try to match *any* open fd to units if | |
1512 | * possible. */ | |
1513 | unsetenv("LISTEN_FDS"); | |
1514 | unsetenv("LISTEN_PID"); | |
1515 | ||
b770165a LP |
1516 | /* All other variables are left as is, so that clients |
1517 | * can still read them via /proc/1/environ */ | |
39439087 | 1518 | } |
1104f3c1 | 1519 | |
f170852a LP |
1520 | /* Move out of the way, so that we won't block unmounts */ |
1521 | assert_se(chdir("/") == 0); | |
1522 | ||
67445f4e | 1523 | if (arg_running_as == SYSTEMD_SYSTEM) { |
80876c20 LP |
1524 | /* Become a session leader if we aren't one yet. */ |
1525 | setsid(); | |
4ade7963 | 1526 | |
80876c20 LP |
1527 | /* Disable the umask logic */ |
1528 | umask(0); | |
1529 | } | |
1530 | ||
843d2643 LP |
1531 | /* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */ |
1532 | dbus_connection_set_change_sigpipe(FALSE); | |
1533 | ||
2146621b LP |
1534 | /* Reset the console, but only if this is really init and we |
1535 | * are freshly booted */ | |
67445f4e | 1536 | if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) |
2660882b | 1537 | console_setup(getpid() == 1 && !skip_setup); |
4ade7963 | 1538 | |
18149b9f | 1539 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1540 | log_open(); |
4ade7963 | 1541 | |
5373d602 LP |
1542 | /* Make sure we leave a core dump without panicing the |
1543 | * kernel. */ | |
ab422445 | 1544 | if (getpid() == 1) { |
4fc935ca | 1545 | install_crash_handler(); |
97c4f35c | 1546 | |
0c85a4f3 LP |
1547 | r = mount_cgroup_controllers(arg_join_controllers); |
1548 | if (r < 0) | |
1549 | goto finish; | |
1550 | } | |
1551 | ||
67445f4e | 1552 | if (arg_running_as == SYSTEMD_SYSTEM) { |
c20f5ac7 LP |
1553 | const char *virtualization = NULL; |
1554 | ||
bc270841 | 1555 | log_info(PACKAGE_STRING " running in system mode. (" SYSTEMD_FEATURES ")"); |
c20f5ac7 LP |
1556 | |
1557 | detect_virtualization(&virtualization); | |
1558 | if (virtualization) | |
1559 | log_info("Detected virtualization '%s'.", virtualization); | |
1560 | ||
26a1efdf LP |
1561 | if (in_initrd()) |
1562 | log_info("Running in initial RAM disk."); | |
1563 | ||
c20f5ac7 | 1564 | } else |
bc270841 | 1565 | log_debug(PACKAGE_STRING " running in user mode. (" SYSTEMD_FEATURES ")"); |
a5dab5ce | 1566 | |
67445f4e | 1567 | if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) { |
72bca11b LP |
1568 | locale_setup(); |
1569 | ||
6faa1114 | 1570 | if (arg_show_status || plymouth_running()) |
888c6216 LP |
1571 | status_welcome(); |
1572 | ||
e3043162 | 1573 | #ifdef HAVE_KMOD |
888c6216 | 1574 | kmod_setup(); |
e3043162 | 1575 | #endif |
888c6216 | 1576 | hostname_setup(); |
d7ccca2e | 1577 | machine_id_setup(); |
888c6216 | 1578 | loopback_setup(); |
490aed58 | 1579 | |
6ee5bbf8 | 1580 | test_mtab(); |
80758717 | 1581 | test_usr(); |
871c44a7 | 1582 | test_cgroups(); |
af5bc85d | 1583 | } |
302e8c4c | 1584 | |
67445f4e | 1585 | if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0) |
e96d6be7 LP |
1586 | watchdog_set_timeout(&arg_runtime_watchdog); |
1587 | ||
aa0f64ac LP |
1588 | if (arg_timer_slack_nsec != (nsec_t) -1) |
1589 | if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) | |
1590 | log_error("Failed to adjust timer slack: %m"); | |
1591 | ||
ec8927ca LP |
1592 | if (arg_capability_bounding_set_drop) { |
1593 | r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true); | |
1594 | if (r < 0) { | |
1595 | log_error("Failed to drop capability bounding set: %s", strerror(-r)); | |
1596 | goto finish; | |
1597 | } | |
939b8f14 LP |
1598 | r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop); |
1599 | if (r < 0) { | |
1600 | log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r)); | |
1601 | goto finish; | |
1602 | } | |
ec8927ca LP |
1603 | } |
1604 | ||
67445f4e | 1605 | if (arg_running_as == SYSTEMD_USER) { |
d4447f4d | 1606 | /* Become reaper of our children */ |
8b8ffe68 LP |
1607 | if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) { |
1608 | log_warning("Failed to make us a subreaper: %m"); | |
1609 | if (errno == EINVAL) | |
ddfa5101 | 1610 | log_info("Perhaps the kernel version is too old (< 3.4?)"); |
8b8ffe68 | 1611 | } |
d4447f4d AK |
1612 | } |
1613 | ||
67445f4e | 1614 | if (arg_running_as == SYSTEMD_SYSTEM) |
4096d6f5 LP |
1615 | bump_rlimit_nofile(&saved_rlimit_nofile); |
1616 | ||
e96d6be7 LP |
1617 | r = manager_new(arg_running_as, &m); |
1618 | if (r < 0) { | |
8e274523 | 1619 | log_error("Failed to allocate manager object: %s", strerror(-r)); |
60918275 LP |
1620 | goto finish; |
1621 | } | |
1622 | ||
9e58ff9c | 1623 | m->confirm_spawn = arg_confirm_spawn; |
0a494f1f LP |
1624 | m->default_std_output = arg_default_std_output; |
1625 | m->default_std_error = arg_default_std_error; | |
e96d6be7 LP |
1626 | m->runtime_watchdog = arg_runtime_watchdog; |
1627 | m->shutdown_watchdog = arg_shutdown_watchdog; | |
c3a170f3 HH |
1628 | m->userspace_timestamp = userspace_timestamp; |
1629 | m->kernel_timestamp = kernel_timestamp; | |
1630 | m->firmware_timestamp = firmware_timestamp; | |
1631 | m->loader_timestamp = loader_timestamp; | |
1632 | m->initrd_timestamp = initrd_timestamp; | |
9e58ff9c | 1633 | |
c93ff2e9 FC |
1634 | manager_set_default_rlimits(m, arg_default_rlimit); |
1635 | ||
06d4c99a LP |
1636 | if (arg_default_controllers) |
1637 | manager_set_default_controllers(m, arg_default_controllers); | |
1638 | ||
27d340c7 LP |
1639 | manager_set_show_status(m, arg_show_status); |
1640 | ||
bf4df7c3 LP |
1641 | /* Remember whether we should queue the default job */ |
1642 | queue_default_job = !serialization || arg_switched_root; | |
1643 | ||
9d76d730 LP |
1644 | before_startup = now(CLOCK_MONOTONIC); |
1645 | ||
e96d6be7 LP |
1646 | r = manager_startup(m, serialization, fds); |
1647 | if (r < 0) | |
6e2ef85b | 1648 | log_error("Failed to fully start up daemon: %s", strerror(-r)); |
a16e1123 | 1649 | |
bf4df7c3 LP |
1650 | /* This will close all file descriptors that were opened, but |
1651 | * not claimed by any unit. */ | |
01e10de3 | 1652 | fdset_free(fds); |
f50e0a01 | 1653 | |
a16e1123 LP |
1654 | if (serialization) { |
1655 | fclose(serialization); | |
1656 | serialization = NULL; | |
bf4df7c3 LP |
1657 | } |
1658 | ||
1659 | if (queue_default_job) { | |
398ef8ba | 1660 | DBusError error; |
1c27d3f3 | 1661 | Unit *target = NULL; |
bacbccb7 | 1662 | Job *default_unit_job; |
398ef8ba LP |
1663 | |
1664 | dbus_error_init(&error); | |
1665 | ||
fa0f4d8a | 1666 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1667 | |
e96d6be7 LP |
1668 | r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); |
1669 | if (r < 0) { | |
398ef8ba LP |
1670 | log_error("Failed to load default target: %s", bus_error(&error, r)); |
1671 | dbus_error_free(&error); | |
ac155bb8 MS |
1672 | } else if (target->load_state == UNIT_ERROR) |
1673 | log_error("Failed to load default target: %s", strerror(-target->load_error)); | |
1674 | else if (target->load_state == UNIT_MASKED) | |
6daf4f90 | 1675 | log_error("Default target masked."); |
27b14a22 | 1676 | |
ac155bb8 | 1677 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1678 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1679 | |
e96d6be7 LP |
1680 | r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); |
1681 | if (r < 0) { | |
398ef8ba LP |
1682 | log_error("Failed to load rescue target: %s", bus_error(&error, r)); |
1683 | dbus_error_free(&error); | |
a16e1123 | 1684 | goto finish; |
ac155bb8 MS |
1685 | } else if (target->load_state == UNIT_ERROR) { |
1686 | log_error("Failed to load rescue target: %s", strerror(-target->load_error)); | |
1c27d3f3 | 1687 | goto finish; |
ac155bb8 | 1688 | } else if (target->load_state == UNIT_MASKED) { |
6daf4f90 | 1689 | log_error("Rescue target masked."); |
00dc5d76 | 1690 | goto finish; |
a16e1123 LP |
1691 | } |
1692 | } | |
37d88da7 | 1693 | |
ac155bb8 | 1694 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1695 | |
fa0f4d8a | 1696 | if (arg_action == ACTION_TEST) { |
40d50879 | 1697 | printf("-> By units:\n"); |
a16e1123 LP |
1698 | manager_dump_units(m, stdout, "\t"); |
1699 | } | |
1700 | ||
95f1b47d | 1701 | r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job); |
ab17a050 | 1702 | if (r == -EPERM) { |
cd8f53ab | 1703 | log_debug("Default target could not be isolated, starting instead: %s", bus_error(&error, r)); |
ab17a050 LP |
1704 | dbus_error_free(&error); |
1705 | ||
1706 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); | |
1707 | if (r < 0) { | |
1708 | log_error("Failed to start default target: %s", bus_error(&error, r)); | |
1709 | dbus_error_free(&error); | |
1710 | goto finish; | |
1711 | } | |
1712 | } else if (r < 0) { | |
1713 | log_error("Failed to isolate default target: %s", bus_error(&error, r)); | |
398ef8ba | 1714 | dbus_error_free(&error); |
37d88da7 LP |
1715 | goto finish; |
1716 | } | |
ab17a050 | 1717 | |
bacbccb7 | 1718 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1719 | |
07672f49 LP |
1720 | after_startup = now(CLOCK_MONOTONIC); |
1721 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1722 | "Loaded units and determined initial transaction in %s.", | |
2fa4092c | 1723 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 0)); |
07672f49 | 1724 | |
fa0f4d8a | 1725 | if (arg_action == ACTION_TEST) { |
40d50879 | 1726 | printf("-> By jobs:\n"); |
a16e1123 | 1727 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1728 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1729 | goto finish; |
1730 | } | |
e965d56d | 1731 | } |
d46de8a1 | 1732 | |
a16e1123 | 1733 | for (;;) { |
e96d6be7 LP |
1734 | r = manager_loop(m); |
1735 | if (r < 0) { | |
a16e1123 LP |
1736 | log_error("Failed to run mainloop: %s", strerror(-r)); |
1737 | goto finish; | |
1738 | } | |
11dd41ce | 1739 | |
a16e1123 | 1740 | switch (m->exit_code) { |
e965d56d | 1741 | |
a16e1123 | 1742 | case MANAGER_EXIT: |
22f4096c | 1743 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1744 | log_debug("Exit."); |
1745 | goto finish; | |
e965d56d | 1746 | |
a16e1123 | 1747 | case MANAGER_RELOAD: |
e015090f | 1748 | log_info("Reloading."); |
e96d6be7 LP |
1749 | r = manager_reload(m); |
1750 | if (r < 0) | |
a16e1123 LP |
1751 | log_error("Failed to reload: %s", strerror(-r)); |
1752 | break; | |
cea8e32e | 1753 | |
a16e1123 | 1754 | case MANAGER_REEXECUTE: |
664f88a7 | 1755 | |
b3680f49 | 1756 | if (prepare_reexecute(m, &serialization, &fds, false) < 0) |
a16e1123 | 1757 | goto finish; |
60918275 | 1758 | |
a16e1123 | 1759 | reexecute = true; |
e015090f | 1760 | log_notice("Reexecuting."); |
a16e1123 LP |
1761 | goto finish; |
1762 | ||
664f88a7 LP |
1763 | case MANAGER_SWITCH_ROOT: |
1764 | /* Steal the switch root parameters */ | |
41669317 | 1765 | switch_root_dir = m->switch_root; |
664f88a7 LP |
1766 | switch_root_init = m->switch_root_init; |
1767 | m->switch_root = m->switch_root_init = NULL; | |
1768 | ||
1769 | if (!switch_root_init) | |
b3680f49 | 1770 | if (prepare_reexecute(m, &serialization, &fds, true) < 0) |
664f88a7 LP |
1771 | goto finish; |
1772 | ||
1773 | reexecute = true; | |
1774 | log_notice("Switching root."); | |
1775 | goto finish; | |
1776 | ||
b9080b03 FF |
1777 | case MANAGER_REBOOT: |
1778 | case MANAGER_POWEROFF: | |
1779 | case MANAGER_HALT: | |
1780 | case MANAGER_KEXEC: { | |
1781 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
1782 | [MANAGER_REBOOT] = "reboot", | |
1783 | [MANAGER_POWEROFF] = "poweroff", | |
1784 | [MANAGER_HALT] = "halt", | |
1785 | [MANAGER_KEXEC] = "kexec" | |
1786 | }; | |
1787 | ||
1788 | assert_se(shutdown_verb = table[m->exit_code]); | |
e96d6be7 | 1789 | arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT; |
b9080b03 FF |
1790 | |
1791 | log_notice("Shutting down."); | |
1792 | goto finish; | |
1793 | } | |
1794 | ||
a16e1123 LP |
1795 | default: |
1796 | assert_not_reached("Unknown exit code."); | |
1797 | } | |
1798 | } | |
f170852a | 1799 | |
60918275 LP |
1800 | finish: |
1801 | if (m) | |
1802 | manager_free(m); | |
1803 | ||
c93ff2e9 | 1804 | for (j = 0; j < RLIMIT_NLIMITS; j++) |
4096d6f5 | 1805 | free(arg_default_rlimit[j]); |
c93ff2e9 | 1806 | |
fa0f4d8a | 1807 | free(arg_default_unit); |
06d4c99a | 1808 | strv_free(arg_default_controllers); |
0c85a4f3 | 1809 | free_join_controllers(); |
b9cd2ec1 | 1810 | |
ea430986 | 1811 | dbus_shutdown(); |
b2bb3dbe LP |
1812 | label_finish(); |
1813 | ||
a16e1123 | 1814 | if (reexecute) { |
664f88a7 | 1815 | const char **args; |
e564a982 | 1816 | unsigned i, args_size; |
a16e1123 | 1817 | |
664f88a7 LP |
1818 | /* Close and disarm the watchdog, so that the new |
1819 | * instance can reinitialize it, but doesn't get | |
1820 | * rebooted while we do that */ | |
1821 | watchdog_close(true); | |
a16e1123 | 1822 | |
4096d6f5 LP |
1823 | /* Reset the RLIMIT_NOFILE to the kernel default, so |
1824 | * that the new systemd can pass the kernel default to | |
1825 | * its child processes */ | |
1826 | if (saved_rlimit_nofile.rlim_cur > 0) | |
1827 | setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile); | |
1828 | ||
41669317 | 1829 | if (switch_root_dir) { |
cee530bb LP |
1830 | /* Kill all remaining processes from the |
1831 | * initrd, but don't wait for them, so that we | |
1832 | * can handle the SIGCHLD for them after | |
1833 | * deserializing. */ | |
1834 | broadcast_signal(SIGTERM, false); | |
bd3fa1d2 LP |
1835 | |
1836 | /* And switch root */ | |
41669317 LP |
1837 | r = switch_root(switch_root_dir); |
1838 | if (r < 0) | |
1839 | log_error("Failed to switch root, ignoring: %s", strerror(-r)); | |
1840 | } | |
a16e1123 | 1841 | |
d03bc1b8 | 1842 | args_size = MAX(6, argc+1); |
e564a982 | 1843 | args = newa(const char*, args_size); |
a16e1123 | 1844 | |
664f88a7 LP |
1845 | if (!switch_root_init) { |
1846 | char sfd[16]; | |
a16e1123 | 1847 | |
664f88a7 LP |
1848 | /* First try to spawn ourselves with the right |
1849 | * path, and with full serialization. We do | |
1850 | * this only if the user didn't specify an | |
1851 | * explicit init to spawn. */ | |
edb9aaa8 | 1852 | |
664f88a7 LP |
1853 | assert(serialization); |
1854 | assert(fds); | |
edb9aaa8 | 1855 | |
664f88a7 LP |
1856 | snprintf(sfd, sizeof(sfd), "%i", fileno(serialization)); |
1857 | char_array_0(sfd); | |
edb9aaa8 | 1858 | |
664f88a7 LP |
1859 | i = 0; |
1860 | args[i++] = SYSTEMD_BINARY_PATH; | |
41669317 | 1861 | if (switch_root_dir) |
2660882b | 1862 | args[i++] = "--switched-root"; |
67445f4e | 1863 | args[i++] = arg_running_as == SYSTEMD_SYSTEM ? "--system" : "--user"; |
664f88a7 LP |
1864 | args[i++] = "--deserialize"; |
1865 | args[i++] = sfd; | |
1866 | args[i++] = NULL; | |
edb9aaa8 | 1867 | |
e564a982 | 1868 | assert(i <= args_size); |
664f88a7 LP |
1869 | execv(args[0], (char* const*) args); |
1870 | } | |
6e98720f | 1871 | |
664f88a7 LP |
1872 | /* Try the fallback, if there is any, without any |
1873 | * serialization. We pass the original argv[] and | |
1874 | * envp[]. (Well, modulo the ordering changes due to | |
1875 | * getopt() in argv[], and some cleanups in envp[], | |
1876 | * but let's hope that doesn't matter.) */ | |
a16e1123 | 1877 | |
b8f83232 | 1878 | if (serialization) { |
664f88a7 | 1879 | fclose(serialization); |
b8f83232 LP |
1880 | serialization = NULL; |
1881 | } | |
a16e1123 | 1882 | |
b8f83232 | 1883 | if (fds) { |
664f88a7 | 1884 | fdset_free(fds); |
b8f83232 LP |
1885 | fds = NULL; |
1886 | } | |
a16e1123 | 1887 | |
a504223d HH |
1888 | /* Reopen the console */ |
1889 | make_console_stdio(); | |
1890 | ||
b8f83232 | 1891 | for (j = 1, i = 1; j < argc; j++) |
664f88a7 | 1892 | args[i++] = argv[j]; |
a16e1123 | 1893 | args[i++] = NULL; |
e564a982 | 1894 | assert(i <= args_size); |
b8f83232 LP |
1895 | |
1896 | if (switch_root_init) { | |
1897 | args[0] = switch_root_init; | |
1898 | execv(args[0], (char* const*) args); | |
1899 | log_warning("Failed to execute configured init, trying fallback: %m"); | |
1900 | } | |
1901 | ||
1902 | args[0] = "/sbin/init"; | |
a16e1123 LP |
1903 | execv(args[0], (char* const*) args); |
1904 | ||
745e2fb7 KS |
1905 | if (errno == ENOENT) { |
1906 | log_warning("No /sbin/init, trying fallback"); | |
b8f83232 | 1907 | |
745e2fb7 KS |
1908 | args[0] = "/bin/sh"; |
1909 | args[1] = NULL; | |
1910 | execv(args[0], (char* const*) args); | |
1911 | log_error("Failed to execute /bin/sh, giving up: %m"); | |
1912 | } else | |
1913 | log_warning("Failed to execute /sbin/init, giving up: %m"); | |
a16e1123 LP |
1914 | } |
1915 | ||
1916 | if (serialization) | |
1917 | fclose(serialization); | |
1918 | ||
1919 | if (fds) | |
1920 | fdset_free(fds); | |
1921 | ||
b9080b03 FF |
1922 | if (shutdown_verb) { |
1923 | const char * command_line[] = { | |
1924 | SYSTEMD_SHUTDOWN_BINARY_PATH, | |
1925 | shutdown_verb, | |
1926 | NULL | |
1927 | }; | |
d18f337c | 1928 | char **env_block; |
b9080b03 | 1929 | |
e96d6be7 | 1930 | if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) { |
d18f337c LP |
1931 | char e[32]; |
1932 | ||
e96d6be7 LP |
1933 | /* If we reboot let's set the shutdown |
1934 | * watchdog and tell the shutdown binary to | |
1935 | * repeatedly ping it */ | |
1936 | watchdog_set_timeout(&arg_shutdown_watchdog); | |
1937 | watchdog_close(false); | |
1938 | ||
1939 | /* Tell the binary how often to ping */ | |
1940 | snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog); | |
1941 | char_array_0(e); | |
d18f337c LP |
1942 | |
1943 | env_block = strv_append(environ, e); | |
1944 | } else { | |
1945 | env_block = strv_copy(environ); | |
e96d6be7 | 1946 | watchdog_close(true); |
d18f337c | 1947 | } |
e96d6be7 | 1948 | |
d18f337c LP |
1949 | execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block); |
1950 | free(env_block); | |
b9080b03 FF |
1951 | log_error("Failed to execute shutdown binary, freezing: %m"); |
1952 | } | |
1953 | ||
c3b3c274 LP |
1954 | if (getpid() == 1) |
1955 | freeze(); | |
1956 | ||
60918275 LP |
1957 | return retval; |
1958 | } |