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Commit | Line | Data |
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a7334b09 LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
a7334b09 | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
60918275 | 20 | #include <errno.h> |
3dfc9763 | 21 | #include <fcntl.h> |
f170852a | 22 | #include <getopt.h> |
97c4f35c | 23 | #include <signal.h> |
3dfc9763 LP |
24 | #include <stdio.h> |
25 | #include <string.h> | |
664f88a7 | 26 | #include <sys/mount.h> |
3dfc9763 | 27 | #include <sys/prctl.h> |
b9e74c39 | 28 | #include <sys/reboot.h> |
3dfc9763 LP |
29 | #include <sys/stat.h> |
30 | #include <unistd.h> | |
b64a3d86 LP |
31 | #ifdef HAVE_SECCOMP |
32 | #include <seccomp.h> | |
33 | #endif | |
3dfc9763 LP |
34 | #ifdef HAVE_VALGRIND_VALGRIND_H |
35 | #include <valgrind/valgrind.h> | |
36 | #endif | |
54b434b1 | 37 | |
718db961 | 38 | #include "sd-bus.h" |
cf0fbc49 | 39 | #include "sd-daemon.h" |
3dfc9763 | 40 | |
b5efdb8a | 41 | #include "alloc-util.h" |
d9d93745 | 42 | #include "architecture.h" |
3dfc9763 LP |
43 | #include "build.h" |
44 | #include "bus-error.h" | |
45 | #include "bus-util.h" | |
430f0182 | 46 | #include "capability-util.h" |
24efb112 | 47 | #include "clock-util.h" |
3dfc9763 | 48 | #include "conf-parser.h" |
618234a5 | 49 | #include "cpu-set-util.h" |
3dfc9763 LP |
50 | #include "dbus-manager.h" |
51 | #include "def.h" | |
eee8b7ab | 52 | #include "emergency-action.h" |
3dfc9763 | 53 | #include "env-util.h" |
3ffd4af2 | 54 | #include "fd-util.h" |
3dfc9763 | 55 | #include "fdset.h" |
718db961 | 56 | #include "fileio.h" |
f97b34a6 | 57 | #include "format-util.h" |
f4f15635 | 58 | #include "fs-util.h" |
3dfc9763 LP |
59 | #include "hostname-setup.h" |
60 | #include "ima-setup.h" | |
61 | #include "killall.h" | |
62 | #include "kmod-setup.h" | |
d7b8eec7 | 63 | #include "load-fragment.h" |
3dfc9763 | 64 | #include "log.h" |
b6e66135 | 65 | #include "loopback-setup.h" |
b6e66135 | 66 | #include "machine-id-setup.h" |
3dfc9763 LP |
67 | #include "manager.h" |
68 | #include "missing.h" | |
69 | #include "mount-setup.h" | |
70 | #include "pager.h" | |
6bedfcbb | 71 | #include "parse-util.h" |
7d5ceb64 | 72 | #include "path-util.h" |
4e731273 | 73 | #include "proc-cmdline.h" |
3dfc9763 | 74 | #include "process-util.h" |
8869a0b4 | 75 | #include "raw-clone.h" |
78f22b97 | 76 | #include "rlimit-util.h" |
83f12b27 FS |
77 | #ifdef HAVE_SECCOMP |
78 | #include "seccomp-util.h" | |
79 | #endif | |
b6e66135 | 80 | #include "selinux-setup.h" |
3dfc9763 LP |
81 | #include "selinux-util.h" |
82 | #include "signal-util.h" | |
ffbd2c4d | 83 | #include "smack-setup.h" |
3dfc9763 | 84 | #include "special.h" |
8fcde012 | 85 | #include "stat-util.h" |
15a5e950 | 86 | #include "stdio-util.h" |
3dfc9763 LP |
87 | #include "strv.h" |
88 | #include "switch-root.h" | |
89 | #include "terminal-util.h" | |
8612da97 | 90 | #include "umask-util.h" |
b1d4f8e1 | 91 | #include "user-util.h" |
3dfc9763 LP |
92 | #include "virt.h" |
93 | #include "watchdog.h" | |
b6e66135 | 94 | |
f170852a LP |
95 | static enum { |
96 | ACTION_RUN, | |
e965d56d | 97 | ACTION_HELP, |
9ba0bc4e | 98 | ACTION_VERSION, |
e537352b | 99 | ACTION_TEST, |
494294d6 | 100 | ACTION_DUMP_CONFIGURATION_ITEMS |
fa0f4d8a | 101 | } arg_action = ACTION_RUN; |
fa0f4d8a | 102 | static char *arg_default_unit = NULL; |
463d0d15 | 103 | static bool arg_system = false; |
fa0f4d8a | 104 | static bool arg_dump_core = true; |
fa0f4d8a | 105 | static int arg_crash_chvt = -1; |
b9e74c39 LP |
106 | static bool arg_crash_shell = false; |
107 | static bool arg_crash_reboot = false; | |
7d5ceb64 | 108 | static char *arg_confirm_spawn = NULL; |
b6e2f329 | 109 | static ShowStatus arg_show_status = _SHOW_STATUS_UNSET; |
bf4df7c3 | 110 | static bool arg_switched_root = false; |
ea4b98e6 | 111 | static bool arg_no_pager = false; |
0c85a4f3 | 112 | static char ***arg_join_controllers = NULL; |
706343f4 | 113 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 114 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
1f19a534 OS |
115 | static usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC; |
116 | static usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC; | |
117 | static usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC; | |
3f41e1e5 LN |
118 | static usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL; |
119 | static unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST; | |
e96d6be7 LP |
120 | static usec_t arg_runtime_watchdog = 0; |
121 | static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; | |
97d0e5f8 | 122 | static char **arg_default_environment = NULL; |
517d56b1 | 123 | static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {}; |
a103496c | 124 | static uint64_t arg_capability_bounding_set = CAP_ALL; |
3a43da28 | 125 | static nsec_t arg_timer_slack_nsec = NSEC_INFINITY; |
bd8f585b | 126 | static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE; |
d3b1c508 LP |
127 | static Set* arg_syscall_archs = NULL; |
128 | static FILE* arg_serialization = NULL; | |
085afe36 | 129 | static bool arg_default_cpu_accounting = false; |
13c31542 | 130 | static bool arg_default_io_accounting = false; |
377bfd2d | 131 | static bool arg_default_ip_accounting = false; |
085afe36 LP |
132 | static bool arg_default_blockio_accounting = false; |
133 | static bool arg_default_memory_accounting = false; | |
9ded9cd1 | 134 | static bool arg_default_tasks_accounting = true; |
79baeeb9 | 135 | static uint64_t arg_default_tasks_max = UINT64_MAX; |
ee48dbd5 | 136 | static sd_id128_t arg_machine_id = {}; |
ae8c7939 | 137 | static EmergencyAction arg_cad_burst_action = EMERGENCY_ACTION_REBOOT_FORCE; |
4fc935ca | 138 | |
b9e74c39 LP |
139 | noreturn static void freeze_or_reboot(void) { |
140 | ||
141 | if (arg_crash_reboot) { | |
142 | log_notice("Rebooting in 10s..."); | |
143 | (void) sleep(10); | |
144 | ||
145 | log_notice("Rebooting now..."); | |
146 | (void) reboot(RB_AUTOBOOT); | |
147 | log_emergency_errno(errno, "Failed to reboot: %m"); | |
148 | } | |
149 | ||
150 | log_emergency("Freezing execution."); | |
151 | freeze(); | |
152 | } | |
153 | ||
919ce0b7 | 154 | noreturn static void crash(int sig) { |
7d06dad9 MS |
155 | struct sigaction sa; |
156 | pid_t pid; | |
97c4f35c | 157 | |
df0ff127 | 158 | if (getpid_cached() != 1) |
abb26902 | 159 | /* Pass this on immediately, if this is not PID 1 */ |
92ca4cac | 160 | (void) raise(sig); |
abb26902 | 161 | else if (!arg_dump_core) |
4104970e | 162 | log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 163 | else { |
7d06dad9 | 164 | sa = (struct sigaction) { |
189d5bac | 165 | .sa_handler = nop_signal_handler, |
b92bea5d ZJS |
166 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, |
167 | }; | |
97c4f35c | 168 | |
6f5e3f35 | 169 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
92ca4cac | 170 | (void) sigaction(SIGCHLD, &sa, NULL); |
6f5e3f35 | 171 | |
8869a0b4 | 172 | pid = raw_clone(SIGCHLD); |
e62d8c39 | 173 | if (pid < 0) |
56f64d95 | 174 | log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig)); |
97c4f35c | 175 | else if (pid == 0) { |
97c4f35c | 176 | /* Enable default signal handler for core dump */ |
15a90032 | 177 | |
92ca4cac LP |
178 | sa = (struct sigaction) { |
179 | .sa_handler = SIG_DFL, | |
180 | }; | |
181 | (void) sigaction(sig, &sa, NULL); | |
97c4f35c | 182 | |
15a90032 LP |
183 | /* Don't limit the coredump size */ |
184 | (void) setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)); | |
97c4f35c LP |
185 | |
186 | /* Just to be sure... */ | |
e62d9b81 | 187 | (void) chdir("/"); |
97c4f35c LP |
188 | |
189 | /* Raise the signal again */ | |
ee05e779 | 190 | pid = raw_getpid(); |
92ca4cac | 191 | (void) kill(pid, sig); /* raise() would kill the parent */ |
97c4f35c LP |
192 | |
193 | assert_not_reached("We shouldn't be here..."); | |
92ca4cac | 194 | _exit(EXIT_FAILURE); |
4fc935ca | 195 | } else { |
8e12a6ae LP |
196 | siginfo_t status; |
197 | int r; | |
4fc935ca LP |
198 | |
199 | /* Order things nicely. */ | |
e62d8c39 ZJS |
200 | r = wait_for_terminate(pid, &status); |
201 | if (r < 0) | |
da927ba9 | 202 | log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig)); |
8e12a6ae | 203 | else if (status.si_code != CLD_DUMPED) |
ee05e779 ZJS |
204 | log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).", |
205 | signal_to_string(sig), | |
206 | pid, sigchld_code_to_string(status.si_code), | |
207 | status.si_status, | |
208 | strna(status.si_code == CLD_EXITED | |
38107f5a | 209 | ? exit_status_to_string(status.si_status, EXIT_STATUS_MINIMAL) |
ee05e779 | 210 | : signal_to_string(status.si_status))); |
4fc935ca | 211 | else |
4104970e | 212 | log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid); |
97c4f35c LP |
213 | } |
214 | } | |
215 | ||
b9e74c39 | 216 | if (arg_crash_chvt >= 0) |
92ca4cac | 217 | (void) chvt(arg_crash_chvt); |
601f6a1e | 218 | |
7d06dad9 MS |
219 | sa = (struct sigaction) { |
220 | .sa_handler = SIG_IGN, | |
221 | .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, | |
222 | }; | |
223 | ||
224 | /* Let the kernel reap children for us */ | |
225 | (void) sigaction(SIGCHLD, &sa, NULL); | |
8c43883a | 226 | |
7d06dad9 | 227 | if (arg_crash_shell) { |
b9e74c39 | 228 | log_notice("Executing crash shell in 10s..."); |
92ca4cac | 229 | (void) sleep(10); |
4fc935ca | 230 | |
8869a0b4 | 231 | pid = raw_clone(SIGCHLD); |
cd3bd60a | 232 | if (pid < 0) |
56f64d95 | 233 | log_emergency_errno(errno, "Failed to fork off crash shell: %m"); |
6f5e3f35 | 234 | else if (pid == 0) { |
b9e74c39 | 235 | (void) setsid(); |
92ca4cac LP |
236 | (void) make_console_stdio(); |
237 | (void) execle("/bin/sh", "/bin/sh", NULL, environ); | |
6f5e3f35 | 238 | |
ee05e779 | 239 | log_emergency_errno(errno, "execle() failed: %m"); |
92ca4cac | 240 | _exit(EXIT_FAILURE); |
b9e74c39 LP |
241 | } else { |
242 | log_info("Spawned crash shell as PID "PID_FMT".", pid); | |
4cf0b03b | 243 | (void) wait_for_terminate(pid, NULL); |
b9e74c39 | 244 | } |
4fc935ca LP |
245 | } |
246 | ||
b9e74c39 | 247 | freeze_or_reboot(); |
97c4f35c LP |
248 | } |
249 | ||
250 | static void install_crash_handler(void) { | |
297d563d | 251 | static const struct sigaction sa = { |
b92bea5d | 252 | .sa_handler = crash, |
297d563d | 253 | .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */ |
b92bea5d | 254 | }; |
297d563d | 255 | int r; |
97c4f35c | 256 | |
297d563d LP |
257 | /* We ignore the return value here, since, we don't mind if we |
258 | * cannot set up a crash handler */ | |
259 | r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); | |
260 | if (r < 0) | |
261 | log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m"); | |
97c4f35c | 262 | } |
f170852a | 263 | |
56d96fc0 LP |
264 | static int console_setup(void) { |
265 | _cleanup_close_ int tty_fd = -1; | |
266 | int r; | |
80876c20 | 267 | |
512947d4 | 268 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
23bbb0de MS |
269 | if (tty_fd < 0) |
270 | return log_error_errno(tty_fd, "Failed to open /dev/console: %m"); | |
80876c20 | 271 | |
56d96fc0 LP |
272 | /* We don't want to force text mode. plymouth may be showing |
273 | * pictures already from initrd. */ | |
512947d4 | 274 | r = reset_terminal_fd(tty_fd, false); |
23bbb0de MS |
275 | if (r < 0) |
276 | return log_error_errno(r, "Failed to reset /dev/console: %m"); | |
843d2643 | 277 | |
56d96fc0 | 278 | return 0; |
80876c20 LP |
279 | } |
280 | ||
b9e74c39 LP |
281 | static int parse_crash_chvt(const char *value) { |
282 | int b; | |
283 | ||
284 | if (safe_atoi(value, &arg_crash_chvt) >= 0) | |
285 | return 0; | |
286 | ||
287 | b = parse_boolean(value); | |
288 | if (b < 0) | |
289 | return b; | |
290 | ||
291 | if (b > 0) | |
292 | arg_crash_chvt = 0; /* switch to where kmsg goes */ | |
293 | else | |
294 | arg_crash_chvt = -1; /* turn off switching */ | |
295 | ||
296 | return 0; | |
297 | } | |
298 | ||
7d5ceb64 FB |
299 | static int parse_confirm_spawn(const char *value, char **console) { |
300 | char *s; | |
301 | int r; | |
302 | ||
303 | r = value ? parse_boolean(value) : 1; | |
304 | if (r == 0) { | |
305 | *console = NULL; | |
306 | return 0; | |
307 | } | |
308 | ||
309 | if (r > 0) /* on with default tty */ | |
310 | s = strdup("/dev/console"); | |
311 | else if (is_path(value)) /* on with fully qualified path */ | |
312 | s = strdup(value); | |
313 | else /* on with only a tty file name, not a fully qualified path */ | |
314 | s = strjoin("/dev/", value); | |
315 | if (!s) | |
316 | return -ENOMEM; | |
317 | *console = s; | |
318 | return 0; | |
319 | } | |
320 | ||
ee48dbd5 | 321 | static int set_machine_id(const char *m) { |
e042eab7 | 322 | sd_id128_t t; |
8b26cdbd | 323 | assert(m); |
ee48dbd5 | 324 | |
e042eab7 | 325 | if (sd_id128_from_string(m, &t) < 0) |
ee48dbd5 NC |
326 | return -EINVAL; |
327 | ||
e042eab7 | 328 | if (sd_id128_is_null(t)) |
ee48dbd5 NC |
329 | return -EINVAL; |
330 | ||
e042eab7 | 331 | arg_machine_id = t; |
ee48dbd5 NC |
332 | return 0; |
333 | } | |
334 | ||
96287a49 | 335 | static int parse_proc_cmdline_item(const char *key, const char *value, void *data) { |
f170852a | 336 | |
059cb385 | 337 | int r; |
f170852a | 338 | |
059cb385 | 339 | assert(key); |
5192bd19 | 340 | |
1d84ad94 | 341 | if (STR_IN_SET(key, "systemd.unit", "rd.systemd.unit")) { |
bf4df7c3 | 342 | |
1d84ad94 LP |
343 | if (proc_cmdline_value_missing(key, value)) |
344 | return 0; | |
bf4df7c3 | 345 | |
1d84ad94 LP |
346 | if (!unit_name_is_valid(value, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) |
347 | log_warning("Unit name specified on %s= is not valid, ignoring: %s", key, value); | |
348 | else if (in_initrd() == !!startswith(key, "rd.")) { | |
349 | if (free_and_strdup(&arg_default_unit, value) < 0) | |
350 | return log_oom(); | |
351 | } | |
f170852a | 352 | |
1d84ad94 | 353 | } else if (proc_cmdline_key_streq(key, "systemd.dump_core")) { |
4fc935ca | 354 | |
1d84ad94 | 355 | r = value ? parse_boolean(value) : true; |
fb472900 | 356 | if (r < 0) |
059cb385 | 357 | log_warning("Failed to parse dump core switch %s. Ignoring.", value); |
4fc935ca | 358 | else |
fa0f4d8a | 359 | arg_dump_core = r; |
4fc935ca | 360 | |
1d84ad94 | 361 | } else if (proc_cmdline_key_streq(key, "systemd.crash_chvt")) { |
b9e74c39 | 362 | |
1d84ad94 LP |
363 | if (!value) |
364 | arg_crash_chvt = 0; /* turn on */ | |
365 | else if (parse_crash_chvt(value) < 0) | |
b9e74c39 LP |
366 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", value); |
367 | ||
1d84ad94 | 368 | } else if (proc_cmdline_key_streq(key, "systemd.crash_shell")) { |
4fc935ca | 369 | |
1d84ad94 | 370 | r = value ? parse_boolean(value) : true; |
fb472900 | 371 | if (r < 0) |
059cb385 | 372 | log_warning("Failed to parse crash shell switch %s. Ignoring.", value); |
4fc935ca | 373 | else |
fa0f4d8a | 374 | arg_crash_shell = r; |
5e7ee61c | 375 | |
1d84ad94 | 376 | } else if (proc_cmdline_key_streq(key, "systemd.crash_reboot")) { |
5e7ee61c | 377 | |
1d84ad94 | 378 | r = value ? parse_boolean(value) : true; |
b9e74c39 LP |
379 | if (r < 0) |
380 | log_warning("Failed to parse crash reboot switch %s. Ignoring.", value); | |
5e7ee61c | 381 | else |
b9e74c39 | 382 | arg_crash_reboot = r; |
5e7ee61c | 383 | |
1d84ad94 LP |
384 | } else if (proc_cmdline_key_streq(key, "systemd.confirm_spawn")) { |
385 | char *s; | |
7d5ceb64 | 386 | |
1d84ad94 | 387 | r = parse_confirm_spawn(value, &s); |
059cb385 | 388 | if (r < 0) |
7d5ceb64 | 389 | log_warning_errno(r, "Failed to parse confirm_spawn switch %s. Ignoring.", value); |
1d84ad94 LP |
390 | else { |
391 | free(arg_confirm_spawn); | |
392 | arg_confirm_spawn = s; | |
393 | } | |
601f6a1e | 394 | |
1d84ad94 | 395 | } else if (proc_cmdline_key_streq(key, "systemd.show_status")) { |
9e58ff9c | 396 | |
1d84ad94 LP |
397 | if (value) { |
398 | r = parse_show_status(value, &arg_show_status); | |
399 | if (r < 0) | |
400 | log_warning("Failed to parse show status switch %s. Ignoring.", value); | |
401 | } else | |
402 | arg_show_status = SHOW_STATUS_YES; | |
059cb385 | 403 | |
1d84ad94 LP |
404 | } else if (proc_cmdline_key_streq(key, "systemd.default_standard_output")) { |
405 | ||
406 | if (proc_cmdline_value_missing(key, value)) | |
407 | return 0; | |
0a494f1f | 408 | |
059cb385 | 409 | r = exec_output_from_string(value); |
fb472900 | 410 | if (r < 0) |
059cb385 | 411 | log_warning("Failed to parse default standard output switch %s. Ignoring.", value); |
0a494f1f LP |
412 | else |
413 | arg_default_std_output = r; | |
0a494f1f | 414 | |
1d84ad94 LP |
415 | } else if (proc_cmdline_key_streq(key, "systemd.default_standard_error")) { |
416 | ||
417 | if (proc_cmdline_value_missing(key, value)) | |
418 | return 0; | |
059cb385 LP |
419 | |
420 | r = exec_output_from_string(value); | |
fb472900 | 421 | if (r < 0) |
059cb385 | 422 | log_warning("Failed to parse default standard error switch %s. Ignoring.", value); |
0a494f1f LP |
423 | else |
424 | arg_default_std_error = r; | |
9e7c5357 | 425 | |
1d84ad94 LP |
426 | } else if (streq(key, "systemd.setenv")) { |
427 | ||
428 | if (proc_cmdline_value_missing(key, value)) | |
429 | return 0; | |
059cb385 LP |
430 | |
431 | if (env_assignment_is_valid(value)) { | |
e21fea24 KS |
432 | char **env; |
433 | ||
059cb385 | 434 | env = strv_env_set(arg_default_environment, value); |
1d84ad94 LP |
435 | if (!env) |
436 | return log_oom(); | |
437 | ||
438 | arg_default_environment = env; | |
e21fea24 | 439 | } else |
059cb385 | 440 | log_warning("Environment variable name '%s' is not valid. Ignoring.", value); |
9e58ff9c | 441 | |
1d84ad94 LP |
442 | } else if (proc_cmdline_key_streq(key, "systemd.machine_id")) { |
443 | ||
444 | if (proc_cmdline_value_missing(key, value)) | |
445 | return 0; | |
446 | ||
447 | r = set_machine_id(value); | |
448 | if (r < 0) | |
449 | log_warning("MachineID '%s' is not valid. Ignoring.", value); | |
ee48dbd5 | 450 | |
1d84ad94 LP |
451 | } else if (proc_cmdline_key_streq(key, "systemd.default_timeout_start_sec")) { |
452 | ||
453 | if (proc_cmdline_value_missing(key, value)) | |
454 | return 0; | |
455 | ||
456 | r = parse_sec(value, &arg_default_timeout_start_usec); | |
457 | if (r < 0) | |
458 | log_warning_errno(r, "Failed to parse default start timeout: %s, ignoring.", value); | |
459 | ||
460 | if (arg_default_timeout_start_usec <= 0) | |
461 | arg_default_timeout_start_usec = USEC_INFINITY; | |
ee48dbd5 | 462 | |
059cb385 | 463 | } else if (streq(key, "quiet") && !value) { |
d7b15e0a | 464 | |
b6e2f329 | 465 | if (arg_show_status == _SHOW_STATUS_UNSET) |
d450b6f2 | 466 | arg_show_status = SHOW_STATUS_AUTO; |
059cb385 LP |
467 | |
468 | } else if (streq(key, "debug") && !value) { | |
d7b15e0a | 469 | |
1de1c9c3 LP |
470 | /* Note that log_parse_environment() handles 'debug' |
471 | * too, and sets the log level to LOG_DEBUG. */ | |
d7b15e0a | 472 | |
75f86906 | 473 | if (detect_container() > 0) |
b2103dcc | 474 | log_set_target(LOG_TARGET_CONSOLE); |
059cb385 | 475 | |
dcd61450 | 476 | } else if (!value) { |
e2c9a131 | 477 | const char *target; |
f170852a LP |
478 | |
479 | /* SysV compatibility */ | |
e2c9a131 EV |
480 | target = runlevel_to_target(key); |
481 | if (target) | |
482 | return free_and_strdup(&arg_default_unit, target); | |
f170852a LP |
483 | } |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
e8e581bf ZJS |
488 | #define DEFINE_SETTER(name, func, descr) \ |
489 | static int name(const char *unit, \ | |
490 | const char *filename, \ | |
491 | unsigned line, \ | |
492 | const char *section, \ | |
71a61510 | 493 | unsigned section_line, \ |
e8e581bf ZJS |
494 | const char *lvalue, \ |
495 | int ltype, \ | |
496 | const char *rvalue, \ | |
497 | void *data, \ | |
498 | void *userdata) { \ | |
499 | \ | |
500 | int r; \ | |
501 | \ | |
502 | assert(filename); \ | |
503 | assert(lvalue); \ | |
504 | assert(rvalue); \ | |
505 | \ | |
506 | r = func(rvalue); \ | |
507 | if (r < 0) \ | |
d1cefe0a LP |
508 | log_syntax(unit, LOG_ERR, filename, line, r, \ |
509 | "Invalid " descr "'%s': %m", \ | |
510 | rvalue); \ | |
e8e581bf ZJS |
511 | \ |
512 | return 0; \ | |
513 | } | |
487393e9 | 514 | |
e8e581bf ZJS |
515 | DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level") |
516 | DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target") | |
517 | DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" ) | |
518 | DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location") | |
487393e9 | 519 | |
4d7213b2 LP |
520 | static int config_parse_cpu_affinity2( |
521 | const char *unit, | |
522 | const char *filename, | |
523 | unsigned line, | |
524 | const char *section, | |
525 | unsigned section_line, | |
526 | const char *lvalue, | |
527 | int ltype, | |
528 | const char *rvalue, | |
529 | void *data, | |
530 | void *userdata) { | |
487393e9 | 531 | |
4b40bc38 | 532 | _cleanup_cpu_free_ cpu_set_t *c = NULL; |
f5c72b73 | 533 | int ncpus; |
487393e9 | 534 | |
765d143b | 535 | ncpus = parse_cpu_set_and_warn(rvalue, &c, unit, filename, line, lvalue); |
f5c72b73 FB |
536 | if (ncpus < 0) |
537 | return ncpus; | |
487393e9 | 538 | |
f5c72b73 | 539 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) |
25f027c5 | 540 | log_warning_errno(errno, "Failed to set CPU affinity: %m"); |
487393e9 | 541 | |
487393e9 LP |
542 | return 0; |
543 | } | |
544 | ||
4d7213b2 LP |
545 | static int config_parse_show_status( |
546 | const char* unit, | |
547 | const char *filename, | |
548 | unsigned line, | |
549 | const char *section, | |
550 | unsigned section_line, | |
551 | const char *lvalue, | |
552 | int ltype, | |
553 | const char *rvalue, | |
554 | void *data, | |
555 | void *userdata) { | |
556 | ||
557 | int k; | |
558 | ShowStatus *b = data; | |
559 | ||
560 | assert(filename); | |
561 | assert(lvalue); | |
562 | assert(rvalue); | |
563 | assert(data); | |
564 | ||
565 | k = parse_show_status(rvalue, b); | |
566 | if (k < 0) { | |
12ca818f | 567 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse show status setting, ignoring: %s", rvalue); |
4d7213b2 LP |
568 | return 0; |
569 | } | |
570 | ||
571 | return 0; | |
572 | } | |
573 | ||
b9e74c39 LP |
574 | static int config_parse_crash_chvt( |
575 | const char* unit, | |
576 | const char *filename, | |
577 | unsigned line, | |
578 | const char *section, | |
579 | unsigned section_line, | |
580 | const char *lvalue, | |
581 | int ltype, | |
582 | const char *rvalue, | |
583 | void *data, | |
584 | void *userdata) { | |
585 | ||
586 | int r; | |
587 | ||
588 | assert(filename); | |
589 | assert(lvalue); | |
590 | assert(rvalue); | |
b9e74c39 LP |
591 | |
592 | r = parse_crash_chvt(rvalue); | |
593 | if (r < 0) { | |
594 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CrashChangeVT= setting, ignoring: %s", rvalue); | |
595 | return 0; | |
596 | } | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
e8e581bf ZJS |
601 | static int config_parse_join_controllers(const char *unit, |
602 | const char *filename, | |
603 | unsigned line, | |
604 | const char *section, | |
71a61510 | 605 | unsigned section_line, |
e8e581bf ZJS |
606 | const char *lvalue, |
607 | int ltype, | |
608 | const char *rvalue, | |
609 | void *data, | |
610 | void *userdata) { | |
0c85a4f3 | 611 | |
3875c85b | 612 | const char *whole_rvalue = rvalue; |
0c85a4f3 | 613 | unsigned n = 0; |
0c85a4f3 LP |
614 | |
615 | assert(filename); | |
616 | assert(lvalue); | |
617 | assert(rvalue); | |
618 | ||
fe382237 | 619 | arg_join_controllers = strv_free_free(arg_join_controllers); |
0c85a4f3 | 620 | |
d4ebeb4f FB |
621 | for (;;) { |
622 | _cleanup_free_ char *word = NULL; | |
623 | char **l; | |
624 | int r; | |
0c85a4f3 | 625 | |
9a82ab95 | 626 | r = extract_first_word(&rvalue, &word, NULL, EXTRACT_QUOTES); |
3875c85b FB |
627 | if (r < 0) { |
628 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue); | |
d4ebeb4f | 629 | return r; |
3875c85b | 630 | } |
d4ebeb4f FB |
631 | if (r == 0) |
632 | break; | |
0c85a4f3 | 633 | |
d4ebeb4f | 634 | l = strv_split(word, ","); |
1592ec21 | 635 | if (!l) |
aa8aeac0 | 636 | return log_oom(); |
0c85a4f3 LP |
637 | strv_uniq(l); |
638 | ||
639 | if (strv_length(l) <= 1) { | |
640 | strv_free(l); | |
641 | continue; | |
642 | } | |
643 | ||
644 | if (!arg_join_controllers) { | |
645 | arg_join_controllers = new(char**, 2); | |
646 | if (!arg_join_controllers) { | |
647 | strv_free(l); | |
14212119 | 648 | return log_oom(); |
0c85a4f3 LP |
649 | } |
650 | ||
651 | arg_join_controllers[0] = l; | |
652 | arg_join_controllers[1] = NULL; | |
653 | ||
654 | n = 1; | |
655 | } else { | |
656 | char ***a; | |
657 | char ***t; | |
658 | ||
659 | t = new0(char**, n+2); | |
660 | if (!t) { | |
661 | strv_free(l); | |
14212119 | 662 | return log_oom(); |
0c85a4f3 LP |
663 | } |
664 | ||
665 | n = 0; | |
666 | ||
667 | for (a = arg_join_controllers; *a; a++) { | |
668 | ||
669 | if (strv_overlap(*a, l)) { | |
e287086b | 670 | if (strv_extend_strv(&l, *a, false) < 0) { |
0c85a4f3 LP |
671 | strv_free(l); |
672 | strv_free_free(t); | |
14212119 | 673 | return log_oom(); |
0c85a4f3 LP |
674 | } |
675 | ||
0c85a4f3 LP |
676 | } else { |
677 | char **c; | |
678 | ||
679 | c = strv_copy(*a); | |
680 | if (!c) { | |
681 | strv_free(l); | |
682 | strv_free_free(t); | |
14212119 | 683 | return log_oom(); |
0c85a4f3 LP |
684 | } |
685 | ||
686 | t[n++] = c; | |
687 | } | |
688 | } | |
689 | ||
690 | t[n++] = strv_uniq(l); | |
691 | ||
692 | strv_free_free(arg_join_controllers); | |
693 | arg_join_controllers = t; | |
694 | } | |
695 | } | |
d4ebeb4f | 696 | if (!isempty(rvalue)) |
12ca818f | 697 | log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); |
0c85a4f3 LP |
698 | |
699 | return 0; | |
700 | } | |
701 | ||
487393e9 LP |
702 | static int parse_config_file(void) { |
703 | ||
f975e971 | 704 | const ConfigTableItem items[] = { |
d3b1c508 LP |
705 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, |
706 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
707 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
708 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
709 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
b9e74c39 LP |
710 | { "Manager", "CrashChVT", /* legacy */ config_parse_crash_chvt, 0, NULL }, |
711 | { "Manager", "CrashChangeVT", config_parse_crash_chvt, 0, NULL }, | |
d3b1c508 | 712 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, |
b9e74c39 | 713 | { "Manager", "CrashReboot", config_parse_bool, 0, &arg_crash_reboot }, |
d3b1c508 | 714 | { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status }, |
d3b1c508 LP |
715 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, |
716 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, | |
717 | { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, | |
718 | { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, | |
a103496c | 719 | { "Manager", "CapabilityBoundingSet", config_parse_capability_set, 0, &arg_capability_bounding_set }, |
89fffa27 | 720 | #ifdef HAVE_SECCOMP |
d3b1c508 | 721 | { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs }, |
89fffa27 | 722 | #endif |
d3b1c508 | 723 | { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, |
bd8f585b | 724 | { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec }, |
d3b1c508 LP |
725 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, |
726 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
727 | { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec }, | |
728 | { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec }, | |
729 | { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec }, | |
f0367da7 LP |
730 | { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval }, /* obsolete alias */ |
731 | { "Manager", "DefaultStartLimitIntervalSec",config_parse_sec, 0, &arg_default_start_limit_interval }, | |
d3b1c508 LP |
732 | { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst }, |
733 | { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment }, | |
d0a7c5f6 LP |
734 | { "Manager", "DefaultLimitCPU", config_parse_limit, RLIMIT_CPU, arg_default_rlimit }, |
735 | { "Manager", "DefaultLimitFSIZE", config_parse_limit, RLIMIT_FSIZE, arg_default_rlimit }, | |
736 | { "Manager", "DefaultLimitDATA", config_parse_limit, RLIMIT_DATA, arg_default_rlimit }, | |
737 | { "Manager", "DefaultLimitSTACK", config_parse_limit, RLIMIT_STACK, arg_default_rlimit }, | |
738 | { "Manager", "DefaultLimitCORE", config_parse_limit, RLIMIT_CORE, arg_default_rlimit }, | |
739 | { "Manager", "DefaultLimitRSS", config_parse_limit, RLIMIT_RSS, arg_default_rlimit }, | |
740 | { "Manager", "DefaultLimitNOFILE", config_parse_limit, RLIMIT_NOFILE, arg_default_rlimit }, | |
741 | { "Manager", "DefaultLimitAS", config_parse_limit, RLIMIT_AS, arg_default_rlimit }, | |
742 | { "Manager", "DefaultLimitNPROC", config_parse_limit, RLIMIT_NPROC, arg_default_rlimit }, | |
743 | { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, RLIMIT_MEMLOCK, arg_default_rlimit }, | |
744 | { "Manager", "DefaultLimitLOCKS", config_parse_limit, RLIMIT_LOCKS, arg_default_rlimit }, | |
745 | { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, RLIMIT_SIGPENDING, arg_default_rlimit }, | |
746 | { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, RLIMIT_MSGQUEUE, arg_default_rlimit }, | |
747 | { "Manager", "DefaultLimitNICE", config_parse_limit, RLIMIT_NICE, arg_default_rlimit }, | |
748 | { "Manager", "DefaultLimitRTPRIO", config_parse_limit, RLIMIT_RTPRIO, arg_default_rlimit }, | |
749 | { "Manager", "DefaultLimitRTTIME", config_parse_limit, RLIMIT_RTTIME, arg_default_rlimit }, | |
085afe36 | 750 | { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting }, |
13c31542 | 751 | { "Manager", "DefaultIOAccounting", config_parse_bool, 0, &arg_default_io_accounting }, |
377bfd2d | 752 | { "Manager", "DefaultIPAccounting", config_parse_bool, 0, &arg_default_ip_accounting }, |
085afe36 LP |
753 | { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting }, |
754 | { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting }, | |
03a7b521 | 755 | { "Manager", "DefaultTasksAccounting", config_parse_bool, 0, &arg_default_tasks_accounting }, |
0af20ea2 | 756 | { "Manager", "DefaultTasksMax", config_parse_tasks_max, 0, &arg_default_tasks_max }, |
ae8c7939 | 757 | { "Manager", "CtrlAltDelBurstAction", config_parse_emergency_action, 0, &arg_cad_burst_action }, |
d3b1c508 | 758 | {} |
487393e9 LP |
759 | }; |
760 | ||
1b907b5c | 761 | const char *fn, *conf_dirs_nulstr; |
487393e9 | 762 | |
463d0d15 | 763 | fn = arg_system ? |
75eb6154 LP |
764 | PKGSYSCONFDIR "/system.conf" : |
765 | PKGSYSCONFDIR "/user.conf"; | |
766 | ||
463d0d15 | 767 | conf_dirs_nulstr = arg_system ? |
75eb6154 LP |
768 | CONF_PATHS_NULSTR("systemd/system.conf.d") : |
769 | CONF_PATHS_NULSTR("systemd/user.conf.d"); | |
770 | ||
43688c49 | 771 | config_parse_many_nulstr(fn, conf_dirs_nulstr, "Manager\0", config_item_table_lookup, items, false, NULL); |
36c16a7c LP |
772 | |
773 | /* Traditionally "0" was used to turn off the default unit timeouts. Fix this up so that we used USEC_INFINITY | |
774 | * like everywhere else. */ | |
775 | if (arg_default_timeout_start_usec <= 0) | |
776 | arg_default_timeout_start_usec = USEC_INFINITY; | |
777 | if (arg_default_timeout_stop_usec <= 0) | |
778 | arg_default_timeout_stop_usec = USEC_INFINITY; | |
487393e9 | 779 | |
487393e9 LP |
780 | return 0; |
781 | } | |
782 | ||
06af2a04 TB |
783 | static void manager_set_defaults(Manager *m) { |
784 | ||
785 | assert(m); | |
786 | ||
787 | m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec; | |
788 | m->default_std_output = arg_default_std_output; | |
789 | m->default_std_error = arg_default_std_error; | |
790 | m->default_timeout_start_usec = arg_default_timeout_start_usec; | |
791 | m->default_timeout_stop_usec = arg_default_timeout_stop_usec; | |
792 | m->default_restart_usec = arg_default_restart_usec; | |
793 | m->default_start_limit_interval = arg_default_start_limit_interval; | |
794 | m->default_start_limit_burst = arg_default_start_limit_burst; | |
795 | m->default_cpu_accounting = arg_default_cpu_accounting; | |
13c31542 | 796 | m->default_io_accounting = arg_default_io_accounting; |
377bfd2d | 797 | m->default_ip_accounting = arg_default_ip_accounting; |
06af2a04 TB |
798 | m->default_blockio_accounting = arg_default_blockio_accounting; |
799 | m->default_memory_accounting = arg_default_memory_accounting; | |
03a7b521 | 800 | m->default_tasks_accounting = arg_default_tasks_accounting; |
0af20ea2 | 801 | m->default_tasks_max = arg_default_tasks_max; |
06af2a04 TB |
802 | |
803 | manager_set_default_rlimits(m, arg_default_rlimit); | |
804 | manager_environment_add(m, NULL, arg_default_environment); | |
805 | } | |
806 | ||
f170852a LP |
807 | static int parse_argv(int argc, char *argv[]) { |
808 | ||
809 | enum { | |
810 | ARG_LOG_LEVEL = 0x100, | |
811 | ARG_LOG_TARGET, | |
bbe63281 LP |
812 | ARG_LOG_COLOR, |
813 | ARG_LOG_LOCATION, | |
2f198e2f | 814 | ARG_UNIT, |
edb9aaa8 | 815 | ARG_SYSTEM, |
af2d49f7 | 816 | ARG_USER, |
e537352b | 817 | ARG_TEST, |
b87c2aa6 | 818 | ARG_NO_PAGER, |
9ba0bc4e | 819 | ARG_VERSION, |
80876c20 | 820 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c | 821 | ARG_DUMP_CORE, |
b9e74c39 | 822 | ARG_CRASH_CHVT, |
9e58ff9c | 823 | ARG_CRASH_SHELL, |
b9e74c39 | 824 | ARG_CRASH_REBOOT, |
a16e1123 | 825 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 826 | ARG_SHOW_STATUS, |
4288f619 | 827 | ARG_DESERIALIZE, |
2660882b | 828 | ARG_SWITCHED_ROOT, |
0a494f1f | 829 | ARG_DEFAULT_STD_OUTPUT, |
ee48dbd5 NC |
830 | ARG_DEFAULT_STD_ERROR, |
831 | ARG_MACHINE_ID | |
f170852a LP |
832 | }; |
833 | ||
834 | static const struct option options[] = { | |
a16e1123 LP |
835 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
836 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
837 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
838 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 839 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 840 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 841 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 | 842 | { "test", no_argument, NULL, ARG_TEST }, |
b87c2aa6 | 843 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, |
a16e1123 | 844 | { "help", no_argument, NULL, 'h' }, |
9ba0bc4e | 845 | { "version", no_argument, NULL, ARG_VERSION }, |
a16e1123 | 846 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, |
a5d87bf0 | 847 | { "dump-core", optional_argument, NULL, ARG_DUMP_CORE }, |
b9e74c39 | 848 | { "crash-chvt", required_argument, NULL, ARG_CRASH_CHVT }, |
a5d87bf0 | 849 | { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL }, |
b9e74c39 | 850 | { "crash-reboot", optional_argument, NULL, ARG_CRASH_REBOOT }, |
a5d87bf0 | 851 | { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 852 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 853 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
2660882b | 854 | { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, |
0a494f1f LP |
855 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
856 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
ee48dbd5 | 857 | { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, |
fb472900 | 858 | {} |
f170852a LP |
859 | }; |
860 | ||
861 | int c, r; | |
862 | ||
863 | assert(argc >= 1); | |
864 | assert(argv); | |
865 | ||
df0ff127 | 866 | if (getpid_cached() == 1) |
b770165a LP |
867 | opterr = 0; |
868 | ||
099663ff | 869 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
870 | |
871 | switch (c) { | |
872 | ||
873 | case ARG_LOG_LEVEL: | |
fb472900 ZJS |
874 | r = log_set_max_level_from_string(optarg); |
875 | if (r < 0) { | |
f170852a LP |
876 | log_error("Failed to parse log level %s.", optarg); |
877 | return r; | |
878 | } | |
879 | ||
880 | break; | |
881 | ||
882 | case ARG_LOG_TARGET: | |
fb472900 ZJS |
883 | r = log_set_target_from_string(optarg); |
884 | if (r < 0) { | |
f170852a LP |
885 | log_error("Failed to parse log target %s.", optarg); |
886 | return r; | |
887 | } | |
888 | ||
889 | break; | |
890 | ||
bbe63281 LP |
891 | case ARG_LOG_COLOR: |
892 | ||
d0b170c8 | 893 | if (optarg) { |
fb472900 ZJS |
894 | r = log_show_color_from_string(optarg); |
895 | if (r < 0) { | |
d0b170c8 LP |
896 | log_error("Failed to parse log color setting %s.", optarg); |
897 | return r; | |
898 | } | |
899 | } else | |
900 | log_show_color(true); | |
bbe63281 LP |
901 | |
902 | break; | |
903 | ||
904 | case ARG_LOG_LOCATION: | |
d0b170c8 | 905 | if (optarg) { |
fb472900 ZJS |
906 | r = log_show_location_from_string(optarg); |
907 | if (r < 0) { | |
d0b170c8 LP |
908 | log_error("Failed to parse log location setting %s.", optarg); |
909 | return r; | |
910 | } | |
911 | } else | |
912 | log_show_location(true); | |
bbe63281 LP |
913 | |
914 | break; | |
915 | ||
0a494f1f | 916 | case ARG_DEFAULT_STD_OUTPUT: |
fb472900 ZJS |
917 | r = exec_output_from_string(optarg); |
918 | if (r < 0) { | |
0a494f1f LP |
919 | log_error("Failed to parse default standard output setting %s.", optarg); |
920 | return r; | |
921 | } else | |
922 | arg_default_std_output = r; | |
923 | break; | |
924 | ||
925 | case ARG_DEFAULT_STD_ERROR: | |
fb472900 ZJS |
926 | r = exec_output_from_string(optarg); |
927 | if (r < 0) { | |
0a494f1f LP |
928 | log_error("Failed to parse default standard error output setting %s.", optarg); |
929 | return r; | |
930 | } else | |
931 | arg_default_std_error = r; | |
932 | break; | |
933 | ||
2f198e2f | 934 | case ARG_UNIT: |
e6e242ad | 935 | r = free_and_strdup(&arg_default_unit, optarg); |
23bbb0de MS |
936 | if (r < 0) |
937 | return log_error_errno(r, "Failed to set default unit %s: %m", optarg); | |
f170852a LP |
938 | |
939 | break; | |
940 | ||
edb9aaa8 | 941 | case ARG_SYSTEM: |
463d0d15 | 942 | arg_system = true; |
edb9aaa8 | 943 | break; |
a5dab5ce | 944 | |
af2d49f7 | 945 | case ARG_USER: |
463d0d15 | 946 | arg_system = false; |
a5dab5ce | 947 | break; |
a5dab5ce | 948 | |
e965d56d | 949 | case ARG_TEST: |
fa0f4d8a | 950 | arg_action = ACTION_TEST; |
b87c2aa6 ZJS |
951 | break; |
952 | ||
953 | case ARG_NO_PAGER: | |
954 | arg_no_pager = true; | |
e965d56d LP |
955 | break; |
956 | ||
9ba0bc4e ZJS |
957 | case ARG_VERSION: |
958 | arg_action = ACTION_VERSION; | |
959 | break; | |
960 | ||
e537352b | 961 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 962 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
963 | break; |
964 | ||
9e58ff9c | 965 | case ARG_DUMP_CORE: |
b9e74c39 LP |
966 | if (!optarg) |
967 | arg_dump_core = true; | |
968 | else { | |
969 | r = parse_boolean(optarg); | |
970 | if (r < 0) | |
971 | return log_error_errno(r, "Failed to parse dump core boolean: %s", optarg); | |
972 | arg_dump_core = r; | |
a5d87bf0 | 973 | } |
b9e74c39 LP |
974 | break; |
975 | ||
976 | case ARG_CRASH_CHVT: | |
977 | r = parse_crash_chvt(optarg); | |
978 | if (r < 0) | |
979 | return log_error_errno(r, "Failed to parse crash virtual terminal index: %s", optarg); | |
9e58ff9c LP |
980 | break; |
981 | ||
982 | case ARG_CRASH_SHELL: | |
b9e74c39 LP |
983 | if (!optarg) |
984 | arg_crash_shell = true; | |
985 | else { | |
986 | r = parse_boolean(optarg); | |
987 | if (r < 0) | |
988 | return log_error_errno(r, "Failed to parse crash shell boolean: %s", optarg); | |
989 | arg_crash_shell = r; | |
990 | } | |
991 | break; | |
992 | ||
993 | case ARG_CRASH_REBOOT: | |
994 | if (!optarg) | |
995 | arg_crash_reboot = true; | |
996 | else { | |
997 | r = parse_boolean(optarg); | |
998 | if (r < 0) | |
999 | return log_error_errno(r, "Failed to parse crash shell boolean: %s", optarg); | |
1000 | arg_crash_reboot = r; | |
a5d87bf0 | 1001 | } |
9e58ff9c LP |
1002 | break; |
1003 | ||
80876c20 | 1004 | case ARG_CONFIRM_SPAWN: |
7d5ceb64 FB |
1005 | arg_confirm_spawn = mfree(arg_confirm_spawn); |
1006 | ||
1007 | r = parse_confirm_spawn(optarg, &arg_confirm_spawn); | |
1008 | if (r < 0) | |
1009 | return log_error_errno(r, "Failed to parse confirm spawn option: %m"); | |
80876c20 LP |
1010 | break; |
1011 | ||
9e58ff9c | 1012 | case ARG_SHOW_STATUS: |
d450b6f2 ZJS |
1013 | if (optarg) { |
1014 | r = parse_show_status(optarg, &arg_show_status); | |
1015 | if (r < 0) { | |
1016 | log_error("Failed to parse show status boolean %s.", optarg); | |
1017 | return r; | |
1018 | } | |
1019 | } else | |
1020 | arg_show_status = SHOW_STATUS_YES; | |
6e98720f | 1021 | break; |
a5d87bf0 | 1022 | |
a16e1123 LP |
1023 | case ARG_DESERIALIZE: { |
1024 | int fd; | |
1025 | FILE *f; | |
1026 | ||
01e10de3 LP |
1027 | r = safe_atoi(optarg, &fd); |
1028 | if (r < 0 || fd < 0) { | |
a16e1123 | 1029 | log_error("Failed to parse deserialize option %s.", optarg); |
b9e74c39 | 1030 | return -EINVAL; |
a16e1123 LP |
1031 | } |
1032 | ||
b9e74c39 | 1033 | (void) fd_cloexec(fd, true); |
01e10de3 LP |
1034 | |
1035 | f = fdopen(fd, "r"); | |
4a62c710 MS |
1036 | if (!f) |
1037 | return log_error_errno(errno, "Failed to open serialization fd: %m"); | |
a16e1123 | 1038 | |
74ca738f | 1039 | safe_fclose(arg_serialization); |
d3b1c508 | 1040 | arg_serialization = f; |
a16e1123 LP |
1041 | |
1042 | break; | |
1043 | } | |
1044 | ||
2660882b | 1045 | case ARG_SWITCHED_ROOT: |
bf4df7c3 | 1046 | arg_switched_root = true; |
d03bc1b8 HH |
1047 | break; |
1048 | ||
ee48dbd5 NC |
1049 | case ARG_MACHINE_ID: |
1050 | r = set_machine_id(optarg); | |
54500613 LP |
1051 | if (r < 0) |
1052 | return log_error_errno(r, "MachineID '%s' is not valid.", optarg); | |
ee48dbd5 NC |
1053 | break; |
1054 | ||
f170852a | 1055 | case 'h': |
fa0f4d8a | 1056 | arg_action = ACTION_HELP; |
f170852a LP |
1057 | break; |
1058 | ||
1d2e23ab LP |
1059 | case 'D': |
1060 | log_set_max_level(LOG_DEBUG); | |
1061 | break; | |
1062 | ||
099663ff LP |
1063 | case 'b': |
1064 | case 's': | |
1065 | case 'z': | |
1066 | /* Just to eat away the sysvinit kernel | |
1067 | * cmdline args without getopt() error | |
1068 | * messages that we'll parse in | |
1069 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 1070 | |
099663ff | 1071 | case '?': |
df0ff127 | 1072 | if (getpid_cached() != 1) |
099663ff | 1073 | return -EINVAL; |
601185b4 ZJS |
1074 | else |
1075 | return 0; | |
099663ff | 1076 | |
601185b4 ZJS |
1077 | default: |
1078 | assert_not_reached("Unhandled option code."); | |
f170852a LP |
1079 | } |
1080 | ||
df0ff127 | 1081 | if (optind < argc && getpid_cached() != 1) { |
d821e6d6 LP |
1082 | /* Hmm, when we aren't run as init system |
1083 | * let's complain about excess arguments */ | |
1084 | ||
1085 | log_error("Excess arguments."); | |
1086 | return -EINVAL; | |
1087 | } | |
1088 | ||
f170852a LP |
1089 | return 0; |
1090 | } | |
1091 | ||
1092 | static int help(void) { | |
1093 | ||
2e33c433 | 1094 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 1095 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 1096 | " -h --help Show this help\n" |
cb4069d9 | 1097 | " --version Show version\n" |
e537352b | 1098 | " --test Determine startup sequence, dump it and exit\n" |
b87c2aa6 | 1099 | " --no-pager Do not pipe output into a pager\n" |
80876c20 | 1100 | " --dump-configuration-items Dump understood unit configuration items\n" |
9e58ff9c | 1101 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 1102 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 1103 | " --user Run a user instance\n" |
b9e74c39 LP |
1104 | " --dump-core[=BOOL] Dump core on crash\n" |
1105 | " --crash-vt=NR Change to specified VT on crash\n" | |
1106 | " --crash-reboot[=BOOL] Reboot on crash\n" | |
1107 | " --crash-shell[=BOOL] Run shell on crash\n" | |
1108 | " --confirm-spawn[=BOOL] Ask for confirmation when spawning processes\n" | |
1109 | " --show-status[=BOOL] Show status updates on the console during bootup\n" | |
c1dc6153 | 1110 | " --log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)\n" |
9e58ff9c | 1111 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
b9e74c39 LP |
1112 | " --log-color[=BOOL] Highlight important log messages\n" |
1113 | " --log-location[=BOOL] Include code location in log messages\n" | |
0a494f1f LP |
1114 | " --default-standard-output= Set default standard output for services\n" |
1115 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1116 | program_invocation_short_name); |
f170852a LP |
1117 | |
1118 | return 0; | |
1119 | } | |
1120 | ||
b3680f49 | 1121 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { |
48b90859 LP |
1122 | _cleanup_fdset_free_ FDSet *fds = NULL; |
1123 | _cleanup_fclose_ FILE *f = NULL; | |
a16e1123 LP |
1124 | int r; |
1125 | ||
1126 | assert(m); | |
1127 | assert(_f); | |
1128 | assert(_fds); | |
1129 | ||
6b78f9b4 | 1130 | r = manager_open_serialization(m, &f); |
48b90859 LP |
1131 | if (r < 0) |
1132 | return log_error_errno(r, "Failed to create serialization file: %m"); | |
a16e1123 | 1133 | |
71445ae7 | 1134 | /* Make sure nothing is really destructed when we shut down */ |
313cefa1 | 1135 | m->n_reloading++; |
718db961 | 1136 | bus_manager_send_reloading(m, true); |
71445ae7 | 1137 | |
6b78f9b4 | 1138 | fds = fdset_new(); |
48b90859 LP |
1139 | if (!fds) |
1140 | return log_oom(); | |
a16e1123 | 1141 | |
b3680f49 | 1142 | r = manager_serialize(m, f, fds, switching_root); |
48b90859 LP |
1143 | if (r < 0) |
1144 | return log_error_errno(r, "Failed to serialize state: %m"); | |
a16e1123 | 1145 | |
48b90859 LP |
1146 | if (fseeko(f, 0, SEEK_SET) == (off_t) -1) |
1147 | return log_error_errno(errno, "Failed to rewind serialization fd: %m"); | |
a16e1123 | 1148 | |
6b78f9b4 | 1149 | r = fd_cloexec(fileno(f), false); |
48b90859 LP |
1150 | if (r < 0) |
1151 | return log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m"); | |
a16e1123 | 1152 | |
6b78f9b4 | 1153 | r = fdset_cloexec(fds, false); |
48b90859 LP |
1154 | if (r < 0) |
1155 | return log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m"); | |
a16e1123 LP |
1156 | |
1157 | *_f = f; | |
1158 | *_fds = fds; | |
1159 | ||
48b90859 LP |
1160 | f = NULL; |
1161 | fds = NULL; | |
a16e1123 | 1162 | |
48b90859 | 1163 | return 0; |
a16e1123 LP |
1164 | } |
1165 | ||
4096d6f5 LP |
1166 | static int bump_rlimit_nofile(struct rlimit *saved_rlimit) { |
1167 | struct rlimit nl; | |
1168 | int r; | |
6385cb31 CB |
1169 | int min_max; |
1170 | _cleanup_free_ char *nr_open = NULL; | |
4096d6f5 LP |
1171 | |
1172 | assert(saved_rlimit); | |
1173 | ||
1174 | /* Save the original RLIMIT_NOFILE so that we can reset it | |
1175 | * later when transitioning from the initrd to the main | |
1176 | * systemd or suchlike. */ | |
4a62c710 | 1177 | if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) |
3ce40911 | 1178 | return log_warning_errno(errno, "Reading RLIMIT_NOFILE failed, ignoring: %m"); |
4096d6f5 LP |
1179 | |
1180 | /* Make sure forked processes get the default kernel setting */ | |
1181 | if (!arg_default_rlimit[RLIMIT_NOFILE]) { | |
1182 | struct rlimit *rl; | |
1183 | ||
1184 | rl = newdup(struct rlimit, saved_rlimit, 1); | |
1185 | if (!rl) | |
1186 | return log_oom(); | |
1187 | ||
1188 | arg_default_rlimit[RLIMIT_NOFILE] = rl; | |
1189 | } | |
1190 | ||
6385cb31 CB |
1191 | /* Get current RLIMIT_NOFILE maximum compiled into the kernel. */ |
1192 | r = read_one_line_file("/proc/sys/fs/nr_open", &nr_open); | |
1193 | if (r == 0) | |
1194 | r = safe_atoi(nr_open, &min_max); | |
1195 | /* If we fail, fallback to the hard-coded kernel limit of 1024 * 1024. */ | |
1196 | if (r < 0) | |
1197 | min_max = 1024 * 1024; | |
1198 | ||
4096d6f5 | 1199 | /* Bump up the resource limit for ourselves substantially */ |
6385cb31 | 1200 | nl.rlim_cur = nl.rlim_max = min_max; |
4096d6f5 | 1201 | r = setrlimit_closest(RLIMIT_NOFILE, &nl); |
23bbb0de | 1202 | if (r < 0) |
3ce40911 | 1203 | return log_warning_errno(r, "Setting RLIMIT_NOFILE failed, ignoring: %m"); |
4096d6f5 LP |
1204 | |
1205 | return 0; | |
1206 | } | |
1207 | ||
fb3ae275 LP |
1208 | static int bump_rlimit_memlock(struct rlimit *saved_rlimit) { |
1209 | int r; | |
1210 | ||
1211 | assert(saved_rlimit); | |
1212 | assert(getuid() == 0); | |
1213 | ||
1214 | /* BPF_MAP_TYPE_LPM_TRIE bpf maps are charged against RLIMIT_MEMLOCK, even though we have CAP_IPC_LOCK which | |
1215 | * should normally disable such checks. We need them to implement IPAccessAllow= and IPAccessDeny=, hence let's | |
1216 | * bump the value high enough for the root user. */ | |
1217 | ||
1218 | if (getrlimit(RLIMIT_MEMLOCK, saved_rlimit) < 0) | |
1219 | return log_warning_errno(errno, "Reading RLIMIT_MEMLOCK failed, ignoring: %m"); | |
1220 | ||
1221 | r = setrlimit_closest(RLIMIT_MEMLOCK, &RLIMIT_MAKE_CONST(1024ULL*1024ULL*16ULL)); | |
1222 | if (r < 0) | |
1223 | return log_warning_errno(r, "Setting RLIMIT_MEMLOCK failed, ignoring: %m"); | |
1224 | ||
1225 | return 0; | |
1226 | } | |
1227 | ||
80758717 | 1228 | static void test_usr(void) { |
80758717 | 1229 | |
ed1c99fc | 1230 | /* Check that /usr is not a separate fs */ |
80758717 | 1231 | |
871c44a7 LP |
1232 | if (dir_is_empty("/usr") <= 0) |
1233 | return; | |
1234 | ||
8b173b5e | 1235 | log_warning("/usr appears to be on its own filesystem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1236 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1237 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1238 | } | |
1239 | ||
a07fdfa3 LP |
1240 | static int initialize_join_controllers(void) { |
1241 | /* By default, mount "cpu" + "cpuacct" together, and "net_cls" | |
1242 | * + "net_prio". We'd like to add "cpuset" to the mix, but | |
f131770b | 1243 | * "cpuset" doesn't really work for groups with no initialized |
a07fdfa3 LP |
1244 | * attributes. */ |
1245 | ||
1246 | arg_join_controllers = new(char**, 3); | |
1247 | if (!arg_join_controllers) | |
1248 | return -ENOMEM; | |
1249 | ||
1250 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
fe382237 LP |
1251 | if (!arg_join_controllers[0]) |
1252 | goto oom; | |
a6b26d90 | 1253 | |
fe382237 LP |
1254 | arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL); |
1255 | if (!arg_join_controllers[1]) | |
1256 | goto oom; | |
a07fdfa3 | 1257 | |
fe382237 | 1258 | arg_join_controllers[2] = NULL; |
a07fdfa3 | 1259 | return 0; |
fe382237 LP |
1260 | |
1261 | oom: | |
1262 | arg_join_controllers = strv_free_free(arg_join_controllers); | |
1263 | return -ENOMEM; | |
a07fdfa3 LP |
1264 | } |
1265 | ||
d3b1c508 LP |
1266 | static int enforce_syscall_archs(Set *archs) { |
1267 | #ifdef HAVE_SECCOMP | |
d3b1c508 LP |
1268 | int r; |
1269 | ||
83f12b27 FS |
1270 | if (!is_seccomp_available()) |
1271 | return 0; | |
1272 | ||
469830d1 | 1273 | r = seccomp_restrict_archs(arg_syscall_archs); |
d3b1c508 | 1274 | if (r < 0) |
469830d1 | 1275 | return log_error_errno(r, "Failed to enforce system call architecture restrication: %m"); |
d3b1c508 | 1276 | #endif |
469830d1 | 1277 | return 0; |
d3b1c508 LP |
1278 | } |
1279 | ||
b6e2f329 LP |
1280 | static int status_welcome(void) { |
1281 | _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL; | |
1282 | int r; | |
1283 | ||
1284 | r = parse_env_file("/etc/os-release", NEWLINE, | |
1285 | "PRETTY_NAME", &pretty_name, | |
1286 | "ANSI_COLOR", &ansi_color, | |
1287 | NULL); | |
ece174c5 | 1288 | if (r == -ENOENT) |
5ae4d543 LP |
1289 | r = parse_env_file("/usr/lib/os-release", NEWLINE, |
1290 | "PRETTY_NAME", &pretty_name, | |
1291 | "ANSI_COLOR", &ansi_color, | |
1292 | NULL); | |
b6e2f329 LP |
1293 | |
1294 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 1295 | log_warning_errno(r, "Failed to read os-release file: %m"); |
b6e2f329 | 1296 | |
dc9b5816 ZJS |
1297 | if (log_get_show_color()) |
1298 | return status_printf(NULL, false, false, | |
1299 | "\nWelcome to \x1B[%sm%s\x1B[0m!\n", | |
1300 | isempty(ansi_color) ? "1" : ansi_color, | |
1301 | isempty(pretty_name) ? "Linux" : pretty_name); | |
1302 | else | |
1303 | return status_printf(NULL, false, false, | |
1304 | "\nWelcome to %s!\n", | |
1305 | isempty(pretty_name) ? "Linux" : pretty_name); | |
b6e2f329 LP |
1306 | } |
1307 | ||
fdd25311 LP |
1308 | static int write_container_id(void) { |
1309 | const char *c; | |
19854865 | 1310 | int r; |
fdd25311 LP |
1311 | |
1312 | c = getenv("container"); | |
1313 | if (isempty(c)) | |
1314 | return 0; | |
1315 | ||
8612da97 LP |
1316 | RUN_WITH_UMASK(0022) |
1317 | r = write_string_file("/run/systemd/container", c, WRITE_STRING_FILE_CREATE); | |
19854865 | 1318 | if (r < 0) |
f1f849b0 | 1319 | return log_warning_errno(r, "Failed to write /run/systemd/container, ignoring: %m"); |
19854865 LP |
1320 | |
1321 | return 1; | |
1322 | } | |
1323 | ||
1324 | static int bump_unix_max_dgram_qlen(void) { | |
1325 | _cleanup_free_ char *qlen = NULL; | |
1326 | unsigned long v; | |
1327 | int r; | |
1328 | ||
1329 | /* Let's bump the net.unix.max_dgram_qlen sysctl. The kernel | |
1330 | * default of 16 is simply too low. We set the value really | |
1331 | * really early during boot, so that it is actually applied to | |
1332 | * all our sockets, including the $NOTIFY_SOCKET one. */ | |
1333 | ||
1334 | r = read_one_line_file("/proc/sys/net/unix/max_dgram_qlen", &qlen); | |
1335 | if (r < 0) | |
1336 | return log_warning_errno(r, "Failed to read AF_UNIX datagram queue length, ignoring: %m"); | |
1337 | ||
1338 | r = safe_atolu(qlen, &v); | |
1339 | if (r < 0) | |
1340 | return log_warning_errno(r, "Failed to parse AF_UNIX datagram queue length, ignoring: %m"); | |
1341 | ||
1342 | if (v >= DEFAULT_UNIX_MAX_DGRAM_QLEN) | |
1343 | return 0; | |
1344 | ||
1345 | qlen = mfree(qlen); | |
1346 | if (asprintf(&qlen, "%lu\n", DEFAULT_UNIX_MAX_DGRAM_QLEN) < 0) | |
1347 | return log_oom(); | |
1348 | ||
1349 | r = write_string_file("/proc/sys/net/unix/max_dgram_qlen", qlen, 0); | |
1350 | if (r < 0) | |
1351 | return log_full_errno(IN_SET(r, -EROFS, -EPERM, -EACCES) ? LOG_DEBUG : LOG_WARNING, r, | |
1352 | "Failed to bump AF_UNIX datagram queue length, ignoring: %m"); | |
1353 | ||
1354 | return 1; | |
fdd25311 LP |
1355 | } |
1356 | ||
32391275 FB |
1357 | static int fixup_environment(void) { |
1358 | _cleanup_free_ char *term = NULL; | |
1359 | int r; | |
1360 | ||
84af7821 LP |
1361 | /* We expect the environment to be set correctly |
1362 | * if run inside a container. */ | |
1363 | if (detect_container() > 0) | |
1364 | return 0; | |
1365 | ||
32391275 FB |
1366 | /* When started as PID1, the kernel uses /dev/console |
1367 | * for our stdios and uses TERM=linux whatever the | |
1368 | * backend device used by the console. We try to make | |
1369 | * a better guess here since some consoles might not | |
1370 | * have support for color mode for example. | |
1371 | * | |
1372 | * However if TERM was configured through the kernel | |
1373 | * command line then leave it alone. */ | |
1374 | ||
1d84ad94 | 1375 | r = proc_cmdline_get_key("TERM", 0, &term); |
32391275 FB |
1376 | if (r < 0) |
1377 | return r; | |
32391275 | 1378 | if (r == 0) { |
6af760f3 | 1379 | term = strdup(default_term_for_tty("/dev/console")); |
32391275 | 1380 | if (!term) |
84af7821 | 1381 | return -ENOMEM; |
32391275 FB |
1382 | } |
1383 | ||
1384 | if (setenv("TERM", term, 1) < 0) | |
1385 | return -errno; | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | ||
60918275 LP |
1390 | int main(int argc, char *argv[]) { |
1391 | Manager *m = NULL; | |
22f4096c | 1392 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1393 | usec_t before_startup, after_startup; |
1394 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1395 | FDSet *fds = NULL; |
1396 | bool reexecute = false; | |
b9080b03 | 1397 | const char *shutdown_verb = NULL; |
86caf095 LP |
1398 | dual_timestamp initrd_timestamp = DUAL_TIMESTAMP_NULL; |
1399 | dual_timestamp userspace_timestamp = DUAL_TIMESTAMP_NULL; | |
1400 | dual_timestamp kernel_timestamp = DUAL_TIMESTAMP_NULL; | |
1401 | dual_timestamp security_start_timestamp = DUAL_TIMESTAMP_NULL; | |
1402 | dual_timestamp security_finish_timestamp = DUAL_TIMESTAMP_NULL; | |
5d6b1584 | 1403 | static char systemd[] = "systemd"; |
2660882b | 1404 | bool skip_setup = false; |
d3b1c508 | 1405 | unsigned j; |
0b3325e7 | 1406 | bool loaded_policy = false; |
e96d6be7 | 1407 | bool arm_reboot_watchdog = false; |
bf4df7c3 | 1408 | bool queue_default_job = false; |
5f5c2f38 | 1409 | bool empty_etc = false; |
41669317 | 1410 | char *switch_root_dir = NULL, *switch_root_init = NULL; |
fb3ae275 | 1411 | struct rlimit saved_rlimit_nofile = RLIMIT_MAKE_CONST(0), saved_rlimit_memlock = RLIMIT_MAKE_CONST((rlim_t) -1); |
cb6531be | 1412 | const char *error_message = NULL; |
27b14a22 | 1413 | |
058dc6f3 | 1414 | #ifdef HAVE_SYSV_COMPAT |
df0ff127 | 1415 | if (getpid_cached() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1416 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1417 | * calling init as a user is identical to telinit. */ |
1418 | ||
2cb1a60d | 1419 | execv(SYSTEMCTL_BINARY_PATH, argv); |
56f64d95 | 1420 | log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); |
2cb1a60d LP |
1421 | return 1; |
1422 | } | |
058dc6f3 | 1423 | #endif |
2cb1a60d | 1424 | |
c3a170f3 HH |
1425 | dual_timestamp_from_monotonic(&kernel_timestamp, 0); |
1426 | dual_timestamp_get(&userspace_timestamp); | |
1427 | ||
0b3325e7 LP |
1428 | /* Determine if this is a reexecution or normal bootup. We do |
1429 | * the full command line parsing much later, so let's just | |
1430 | * have a quick peek here. */ | |
db813c2a LP |
1431 | if (strv_find(argv+1, "--deserialize")) |
1432 | skip_setup = true; | |
0b3325e7 | 1433 | |
2660882b LP |
1434 | /* If we have switched root, do all the special setup |
1435 | * things */ | |
db813c2a LP |
1436 | if (strv_find(argv+1, "--switched-root")) |
1437 | skip_setup = false; | |
d03bc1b8 | 1438 | |
f3b6a3ed LP |
1439 | /* If we get started via the /sbin/init symlink then we are |
1440 | called 'init'. After a subsequent reexecution we are then | |
1441 | called 'systemd'. That is confusing, hence let's call us | |
1442 | systemd right-away. */ | |
f3b6a3ed | 1443 | program_invocation_short_name = systemd; |
eee8b7ab | 1444 | (void) prctl(PR_SET_NAME, systemd); |
5d6b1584 | 1445 | |
9a0e6896 LP |
1446 | saved_argv = argv; |
1447 | saved_argc = argc; | |
f3b6a3ed | 1448 | |
c1dc6153 | 1449 | log_set_upgrade_syslog_to_journal(true); |
bbe63281 | 1450 | |
df0ff127 | 1451 | if (getpid_cached() == 1) { |
48a601fe | 1452 | /* Disable the umask logic */ |
90dc8c2e MG |
1453 | umask(0); |
1454 | ||
48a601fe LP |
1455 | /* Always reopen /dev/console when running as PID 1 or one of its pre-execve() children. This is |
1456 | * important so that we never end up logging to any foreign stderr, for example if we have to log in a | |
1457 | * child process right before execve()'ing the actual binary, at a point in time where socket | |
1458 | * activation stderr/stdout area already set up. */ | |
1459 | log_set_always_reopen_console(true); | |
1460 | } | |
1461 | ||
df0ff127 | 1462 | if (getpid_cached() == 1 && detect_container() <= 0) { |
4f8d551f | 1463 | |
a866073d | 1464 | /* Running outside of a container as PID 1 */ |
463d0d15 | 1465 | arg_system = true; |
a866073d LP |
1466 | log_set_target(LOG_TARGET_KMSG); |
1467 | log_open(); | |
1468 | ||
21bf2ab0 | 1469 | if (in_initrd()) |
c3a170f3 | 1470 | initrd_timestamp = userspace_timestamp; |
c3ba6250 | 1471 | |
2660882b | 1472 | if (!skip_setup) { |
d723cd65 AK |
1473 | r = mount_setup_early(); |
1474 | if (r < 0) { | |
eee8b7ab | 1475 | error_message = "Failed to mount early API filesystems"; |
d723cd65 AK |
1476 | goto finish; |
1477 | } | |
eee8b7ab | 1478 | |
c2e0d600 | 1479 | dual_timestamp_get(&security_start_timestamp); |
cb6531be ZJS |
1480 | if (mac_selinux_setup(&loaded_policy) < 0) { |
1481 | error_message = "Failed to load SELinux policy"; | |
0b3325e7 | 1482 | goto finish; |
cb6531be ZJS |
1483 | } else if (mac_smack_setup(&loaded_policy) < 0) { |
1484 | error_message = "Failed to load SMACK policy"; | |
ffbd2c4d | 1485 | goto finish; |
96694e99 IP |
1486 | } else if (ima_setup() < 0) { |
1487 | error_message = "Failed to load IMA policy"; | |
1488 | goto finish; | |
cb6531be | 1489 | } |
c2e0d600 | 1490 | dual_timestamp_get(&security_finish_timestamp); |
81611586 | 1491 | } |
0b3325e7 | 1492 | |
c3dacc8b | 1493 | if (mac_selinux_init() < 0) { |
cb6531be | 1494 | error_message = "Failed to initialize SELinux policy"; |
0ff4cdd9 | 1495 | goto finish; |
cb6531be | 1496 | } |
7948c4df | 1497 | |
72edcff5 | 1498 | if (!skip_setup) { |
6369641d | 1499 | if (clock_is_localtime(NULL) > 0) { |
0b3325e7 | 1500 | int min; |
7948c4df | 1501 | |
c264aeab KS |
1502 | /* |
1503 | * The very first call of settimeofday() also does a time warp in the kernel. | |
1504 | * | |
1505 | * In the rtc-in-local time mode, we set the kernel's timezone, and rely on | |
1506 | * external tools to take care of maintaining the RTC and do all adjustments. | |
1507 | * This matches the behavior of Windows, which leaves the RTC alone if the | |
1508 | * registry tells that the RTC runs in UTC. | |
1509 | */ | |
24efb112 | 1510 | r = clock_set_timezone(&min); |
0b3325e7 | 1511 | if (r < 0) |
da927ba9 | 1512 | log_error_errno(r, "Failed to apply local time delta, ignoring: %m"); |
0b3325e7 LP |
1513 | else |
1514 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
19e65613 KS |
1515 | } else if (!in_initrd()) { |
1516 | /* | |
c264aeab | 1517 | * Do a dummy very first call to seal the kernel's time warp magic. |
19e65613 | 1518 | * |
61233823 | 1519 | * Do not call this from inside the initrd. The initrd might not |
19e65613 KS |
1520 | * carry /etc/adjtime with LOCAL, but the real system could be set up |
1521 | * that way. In such case, we need to delay the time-warp or the sealing | |
1522 | * until we reach the real system. | |
c264aeab KS |
1523 | * |
1524 | * Do no set the kernel's timezone. The concept of local time cannot | |
1525 | * be supported reliably, the time will jump or be incorrect at every daylight | |
1526 | * saving time change. All kernel local time concepts will be treated | |
1527 | * as UTC that way. | |
19e65613 | 1528 | */ |
021dd87b | 1529 | (void) clock_reset_timewarp(); |
72edcff5 | 1530 | } |
021dd87b LP |
1531 | |
1532 | r = clock_apply_epoch(); | |
1533 | if (r < 0) | |
1534 | log_error_errno(r, "Current system time is before build time, but cannot correct: %m"); | |
1535 | else if (r > 0) | |
1536 | log_info("System time before build time, advancing clock."); | |
72edcff5 | 1537 | } |
a866073d LP |
1538 | |
1539 | /* Set the default for later on, but don't actually | |
1540 | * open the logs like this for now. Note that if we | |
1541 | * are transitioning from the initrd there might still | |
1542 | * be journal fd open, and we shouldn't attempt | |
1543 | * opening that before we parsed /proc/cmdline which | |
1544 | * might redirect output elsewhere. */ | |
1545 | log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); | |
1546 | ||
df0ff127 | 1547 | } else if (getpid_cached() == 1) { |
a866073d | 1548 | /* Running inside a container, as PID 1 */ |
463d0d15 | 1549 | arg_system = true; |
a866073d | 1550 | log_set_target(LOG_TARGET_CONSOLE); |
99f09825 | 1551 | log_close_console(); /* force reopen of /dev/console */ |
a866073d LP |
1552 | log_open(); |
1553 | ||
eee8b7ab | 1554 | /* For later on, see above... */ |
a866073d LP |
1555 | log_set_target(LOG_TARGET_JOURNAL); |
1556 | ||
c3a170f3 HH |
1557 | /* clear the kernel timestamp, |
1558 | * because we are in a container */ | |
0f5f63c3 | 1559 | kernel_timestamp = DUAL_TIMESTAMP_NULL; |
c3a170f3 | 1560 | } else { |
a866073d | 1561 | /* Running as user instance */ |
463d0d15 | 1562 | arg_system = false; |
eeecf6e6 | 1563 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1564 | log_open(); |
c3a170f3 HH |
1565 | |
1566 | /* clear the kernel timestamp, | |
1567 | * because we are not PID 1 */ | |
6513d561 | 1568 | kernel_timestamp = DUAL_TIMESTAMP_NULL; |
bbe63281 | 1569 | } |
a5dab5ce | 1570 | |
df0ff127 | 1571 | if (getpid_cached() == 1) { |
15a90032 LP |
1572 | /* Don't limit the core dump size, so that coredump handlers such as systemd-coredump (which honour the limit) |
1573 | * will process core dumps for system services by default. */ | |
206fc4b2 ZJS |
1574 | if (setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)) < 0) |
1575 | log_warning_errno(errno, "Failed to set RLIMIT_CORE: %m"); | |
15a90032 LP |
1576 | |
1577 | /* But at the same time, turn off the core_pattern logic by default, so that no coredumps are stored | |
1578 | * until the systemd-coredump tool is enabled via sysctl. */ | |
1579 | if (!skip_setup) | |
1580 | (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0); | |
1581 | } | |
1582 | ||
6edefe0b | 1583 | if (arg_system) { |
84af7821 LP |
1584 | if (fixup_environment() < 0) { |
1585 | error_message = "Failed to fix up PID1 environment"; | |
1586 | goto finish; | |
1587 | } | |
32391275 | 1588 | |
3a18b604 FB |
1589 | /* Try to figure out if we can use colors with the console. No |
1590 | * need to do that for user instances since they never log | |
1591 | * into the console. */ | |
1592 | log_show_color(colors_enabled()); | |
c76cf844 AK |
1593 | r = make_null_stdio(); |
1594 | if (r < 0) | |
1595 | log_warning_errno(r, "Failed to redirect standard streams to /dev/null: %m"); | |
3a18b604 FB |
1596 | } |
1597 | ||
a07fdfa3 | 1598 | r = initialize_join_controllers(); |
cb6531be | 1599 | if (r < 0) { |
ff9b60f3 | 1600 | error_message = "Failed to initialize cgroup controllers"; |
0c85a4f3 | 1601 | goto finish; |
cb6531be | 1602 | } |
0c85a4f3 | 1603 | |
f170852a LP |
1604 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1605 | * /proc/$PID/fd is available. */ | |
df0ff127 | 1606 | if (getpid_cached() == 1) { |
f84f9974 | 1607 | |
a132bef0 | 1608 | /* Load the kernel modules early. */ |
2e75e2a8 DM |
1609 | if (!skip_setup) |
1610 | kmod_setup(); | |
2e75e2a8 | 1611 | |
0c85a4f3 | 1612 | r = mount_setup(loaded_policy); |
cb6531be ZJS |
1613 | if (r < 0) { |
1614 | error_message = "Failed to mount API filesystems"; | |
8efe3c01 | 1615 | goto finish; |
cb6531be | 1616 | } |
0c85a4f3 | 1617 | } |
4ade7963 LP |
1618 | |
1619 | /* Reset all signal handlers. */ | |
ce30c8dc LP |
1620 | (void) reset_all_signal_handlers(); |
1621 | (void) ignore_signals(SIGNALS_IGNORE, -1); | |
078e4539 | 1622 | |
f5058264 | 1623 | arg_default_tasks_max = system_tasks_max_scale(DEFAULT_TASKS_MAX_PERCENTAGE, 100U); |
79baeeb9 | 1624 | |
cb6531be ZJS |
1625 | if (parse_config_file() < 0) { |
1626 | error_message = "Failed to parse config file"; | |
487393e9 | 1627 | goto finish; |
cb6531be | 1628 | } |
487393e9 | 1629 | |
463d0d15 | 1630 | if (arg_system) { |
1d84ad94 | 1631 | r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0); |
b5884878 | 1632 | if (r < 0) |
da927ba9 | 1633 | log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); |
b5884878 | 1634 | } |
f170852a | 1635 | |
1de1c9c3 LP |
1636 | /* Note that this also parses bits from the kernel command |
1637 | * line, including "debug". */ | |
f170852a LP |
1638 | log_parse_environment(); |
1639 | ||
cb6531be ZJS |
1640 | if (parse_argv(argc, argv) < 0) { |
1641 | error_message = "Failed to parse commandline arguments"; | |
f170852a | 1642 | goto finish; |
cb6531be | 1643 | } |
f170852a | 1644 | |
10c961b9 AK |
1645 | /* Initialize default unit */ |
1646 | if (!arg_default_unit) { | |
f6dd106c AK |
1647 | arg_default_unit = strdup(SPECIAL_DEFAULT_TARGET); |
1648 | if (!arg_default_unit) { | |
1649 | r = log_oom(); | |
10c961b9 AK |
1650 | error_message = "Failed to set default unit"; |
1651 | goto finish; | |
1652 | } | |
1653 | } | |
1654 | ||
6bae23a0 TB |
1655 | if (arg_action == ACTION_TEST && |
1656 | geteuid() == 0) { | |
b5c6cf87 LP |
1657 | log_error("Don't run test mode as root."); |
1658 | goto finish; | |
1659 | } | |
1660 | ||
463d0d15 | 1661 | if (!arg_system && |
6bae23a0 TB |
1662 | arg_action == ACTION_RUN && |
1663 | sd_booted() <= 0) { | |
1664 | log_error("Trying to run as user instance, but the system has not been booted with systemd."); | |
1665 | goto finish; | |
1666 | } | |
1667 | ||
463d0d15 | 1668 | if (arg_system && |
fe783b03 LP |
1669 | arg_action == ACTION_RUN && |
1670 | running_in_chroot() > 0) { | |
1671 | log_error("Cannot be run in a chroot() environment."); | |
1672 | goto finish; | |
1673 | } | |
1674 | ||
74e7579c | 1675 | if (arg_action == ACTION_TEST || arg_action == ACTION_HELP) { |
ea4b98e6 | 1676 | pager_open(arg_no_pager, false); |
74e7579c AK |
1677 | skip_setup = true; |
1678 | } | |
b87c2aa6 | 1679 | |
fa0f4d8a | 1680 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1681 | retval = help(); |
1682 | goto finish; | |
9ba0bc4e ZJS |
1683 | } else if (arg_action == ACTION_VERSION) { |
1684 | retval = version(); | |
1685 | goto finish; | |
fa0f4d8a | 1686 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
13811bf9 | 1687 | pager_open(arg_no_pager, false); |
e537352b | 1688 | unit_dump_config_items(stdout); |
22f4096c | 1689 | retval = EXIT_SUCCESS; |
e537352b | 1690 | goto finish; |
f170852a LP |
1691 | } |
1692 | ||
463d0d15 | 1693 | if (!arg_system && |
8be28fb1 KS |
1694 | !getenv("XDG_RUNTIME_DIR")) { |
1695 | log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set."); | |
1696 | goto finish; | |
1697 | } | |
1698 | ||
fa0f4d8a | 1699 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1700 | |
871e5809 LP |
1701 | /* Close logging fds, in order not to confuse fdset below */ |
1702 | log_close(); | |
1703 | ||
a16e1123 | 1704 | /* Remember open file descriptors for later deserialization */ |
dea374e8 LP |
1705 | if (arg_action == ACTION_RUN) { |
1706 | r = fdset_new_fill(&fds); | |
1707 | if (r < 0) { | |
1708 | log_emergency_errno(r, "Failed to allocate fd set: %m"); | |
1709 | error_message = "Failed to allocate fd set"; | |
1710 | goto finish; | |
1711 | } else | |
1712 | fdset_cloexec(fds, true); | |
a16e1123 | 1713 | |
dea374e8 LP |
1714 | if (arg_serialization) |
1715 | assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0); | |
a16e1123 | 1716 | |
dea374e8 LP |
1717 | if (arg_system) |
1718 | /* Become a session leader if we aren't one yet. */ | |
1719 | setsid(); | |
1720 | } | |
4ade7963 | 1721 | |
befb5b6a | 1722 | /* Move out of the way, so that we won't block unmounts */ |
d250afe7 | 1723 | assert_se(chdir("/") == 0); |
befb5b6a | 1724 | |
2146621b LP |
1725 | /* Reset the console, but only if this is really init and we |
1726 | * are freshly booted */ | |
463d0d15 | 1727 | if (arg_system && arg_action == ACTION_RUN) { |
56d96fc0 LP |
1728 | |
1729 | /* If we are init, we connect stdin/stdout/stderr to | |
1730 | * /dev/null and make sure we don't have a controlling | |
1731 | * tty. */ | |
1732 | release_terminal(); | |
1733 | ||
df0ff127 | 1734 | if (getpid_cached() == 1 && !skip_setup) |
56d96fc0 LP |
1735 | console_setup(); |
1736 | } | |
4ade7963 | 1737 | |
18149b9f | 1738 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1739 | log_open(); |
4ade7963 | 1740 | |
b6e2f329 LP |
1741 | if (arg_show_status == _SHOW_STATUS_UNSET) |
1742 | arg_show_status = SHOW_STATUS_YES; | |
1743 | ||
5373d602 LP |
1744 | /* Make sure we leave a core dump without panicing the |
1745 | * kernel. */ | |
df0ff127 | 1746 | if (getpid_cached() == 1) { |
4fc935ca | 1747 | install_crash_handler(); |
97c4f35c | 1748 | |
0c85a4f3 LP |
1749 | r = mount_cgroup_controllers(arg_join_controllers); |
1750 | if (r < 0) | |
1751 | goto finish; | |
1752 | } | |
1753 | ||
463d0d15 | 1754 | if (arg_system) { |
75f86906 | 1755 | int v; |
c20f5ac7 | 1756 | |
0d8c31ff ZJS |
1757 | log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")", |
1758 | arg_action == ACTION_TEST ? "test " : "" ); | |
c20f5ac7 | 1759 | |
75f86906 LP |
1760 | v = detect_virtualization(); |
1761 | if (v > 0) | |
1762 | log_info("Detected virtualization %s.", virtualization_to_string(v)); | |
c20f5ac7 | 1763 | |
fdd25311 LP |
1764 | write_container_id(); |
1765 | ||
d3f86679 | 1766 | log_info("Detected architecture %s.", architecture_to_string(uname_architecture())); |
d9d93745 | 1767 | |
26a1efdf LP |
1768 | if (in_initrd()) |
1769 | log_info("Running in initial RAM disk."); | |
1770 | ||
3408ba01 LP |
1771 | /* Let's check whether /etc is already populated. We |
1772 | * don't actually really check for that, but use | |
1773 | * /etc/machine-id as flag file. This allows container | |
1774 | * managers and installers to provision a couple of | |
1775 | * files already. If the container manager wants to | |
1776 | * provision the machine ID itself it should pass | |
ee33e53a | 1777 | * $container_uuid to PID 1. */ |
3408ba01 | 1778 | |
baa1bdf7 | 1779 | empty_etc = access("/etc/machine-id", F_OK) < 0; |
5f5c2f38 LP |
1780 | if (empty_etc) |
1781 | log_info("Running with unpopulated /etc."); | |
d8160f21 | 1782 | } else { |
1f97091d LP |
1783 | _cleanup_free_ char *t; |
1784 | ||
1785 | t = uid_to_name(getuid()); | |
0d8c31ff ZJS |
1786 | log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", |
1787 | arg_action == ACTION_TEST ? " test" : "", getuid(), t); | |
d8160f21 | 1788 | } |
a5dab5ce | 1789 | |
dea374e8 LP |
1790 | if (arg_action == ACTION_RUN) { |
1791 | if (arg_system && !skip_setup) { | |
1792 | if (arg_show_status > 0) | |
1793 | status_welcome(); | |
888c6216 | 1794 | |
dea374e8 LP |
1795 | hostname_setup(); |
1796 | machine_id_setup(NULL, arg_machine_id, NULL); | |
1797 | loopback_setup(); | |
1798 | bump_unix_max_dgram_qlen(); | |
490aed58 | 1799 | |
dea374e8 LP |
1800 | test_usr(); |
1801 | } | |
302e8c4c | 1802 | |
dea374e8 LP |
1803 | if (arg_system && arg_runtime_watchdog > 0 && arg_runtime_watchdog != USEC_INFINITY) |
1804 | watchdog_set_timeout(&arg_runtime_watchdog); | |
e96d6be7 | 1805 | |
dea374e8 LP |
1806 | if (arg_timer_slack_nsec != NSEC_INFINITY) |
1807 | if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) | |
1808 | log_error_errno(errno, "Failed to adjust timer slack: %m"); | |
aa0f64ac | 1809 | |
dea374e8 LP |
1810 | if (arg_system && !cap_test_all(arg_capability_bounding_set)) { |
1811 | r = capability_bounding_set_drop_usermode(arg_capability_bounding_set); | |
1812 | if (r < 0) { | |
1813 | log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m"); | |
1814 | error_message = "Failed to drop capability bounding set of usermode helpers"; | |
1815 | goto finish; | |
1816 | } | |
1817 | r = capability_bounding_set_drop(arg_capability_bounding_set, true); | |
1818 | if (r < 0) { | |
1819 | log_emergency_errno(r, "Failed to drop capability bounding set: %m"); | |
1820 | error_message = "Failed to drop capability bounding set"; | |
1821 | goto finish; | |
1822 | } | |
939b8f14 | 1823 | } |
ec8927ca | 1824 | |
dea374e8 LP |
1825 | if (arg_syscall_archs) { |
1826 | r = enforce_syscall_archs(arg_syscall_archs); | |
1827 | if (r < 0) { | |
1828 | error_message = "Failed to set syscall architectures"; | |
1829 | goto finish; | |
1830 | } | |
cb6531be | 1831 | } |
d3b1c508 | 1832 | |
dea374e8 LP |
1833 | if (!arg_system) |
1834 | /* Become reaper of our children */ | |
1835 | if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) | |
1836 | log_warning_errno(errno, "Failed to make us a subreaper: %m"); | |
d4447f4d | 1837 | |
fb3ae275 | 1838 | if (arg_system) { |
dea374e8 LP |
1839 | /* Bump up RLIMIT_NOFILE for systemd itself */ |
1840 | (void) bump_rlimit_nofile(&saved_rlimit_nofile); | |
fb3ae275 LP |
1841 | (void) bump_rlimit_memlock(&saved_rlimit_memlock); |
1842 | } | |
dea374e8 | 1843 | } |
4096d6f5 | 1844 | |
e0a3da1f ZJS |
1845 | r = manager_new(arg_system ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, |
1846 | arg_action == ACTION_TEST ? MANAGER_TEST_FULL : 0, | |
1847 | &m); | |
e96d6be7 | 1848 | if (r < 0) { |
da927ba9 | 1849 | log_emergency_errno(r, "Failed to allocate manager object: %m"); |
cb6531be | 1850 | error_message = "Failed to allocate manager object"; |
60918275 LP |
1851 | goto finish; |
1852 | } | |
1853 | ||
9e58ff9c | 1854 | m->confirm_spawn = arg_confirm_spawn; |
e96d6be7 LP |
1855 | m->runtime_watchdog = arg_runtime_watchdog; |
1856 | m->shutdown_watchdog = arg_shutdown_watchdog; | |
c3a170f3 HH |
1857 | m->userspace_timestamp = userspace_timestamp; |
1858 | m->kernel_timestamp = kernel_timestamp; | |
c3a170f3 | 1859 | m->initrd_timestamp = initrd_timestamp; |
c2e0d600 TA |
1860 | m->security_start_timestamp = security_start_timestamp; |
1861 | m->security_finish_timestamp = security_finish_timestamp; | |
24dd31c1 | 1862 | m->cad_burst_action = arg_cad_burst_action; |
9e58ff9c | 1863 | |
06af2a04 | 1864 | manager_set_defaults(m); |
27d340c7 | 1865 | manager_set_show_status(m, arg_show_status); |
e2680723 | 1866 | manager_set_first_boot(m, empty_etc); |
27d340c7 | 1867 | |
bf4df7c3 | 1868 | /* Remember whether we should queue the default job */ |
d3b1c508 | 1869 | queue_default_job = !arg_serialization || arg_switched_root; |
bf4df7c3 | 1870 | |
9d76d730 LP |
1871 | before_startup = now(CLOCK_MONOTONIC); |
1872 | ||
d3b1c508 | 1873 | r = manager_startup(m, arg_serialization, fds); |
58f88d92 | 1874 | if (r < 0) { |
da927ba9 | 1875 | log_error_errno(r, "Failed to fully start up daemon: %m"); |
58f88d92 ZJS |
1876 | goto finish; |
1877 | } | |
a16e1123 | 1878 | |
bf4df7c3 LP |
1879 | /* This will close all file descriptors that were opened, but |
1880 | * not claimed by any unit. */ | |
2feceb5e | 1881 | fds = fdset_free(fds); |
f50e0a01 | 1882 | |
74ca738f | 1883 | arg_serialization = safe_fclose(arg_serialization); |
bf4df7c3 LP |
1884 | |
1885 | if (queue_default_job) { | |
4afd3348 | 1886 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
1c27d3f3 | 1887 | Unit *target = NULL; |
bacbccb7 | 1888 | Job *default_unit_job; |
398ef8ba | 1889 | |
fa0f4d8a | 1890 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1891 | |
e96d6be7 | 1892 | r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); |
718db961 LP |
1893 | if (r < 0) |
1894 | log_error("Failed to load default target: %s", bus_error_message(&error, r)); | |
1895 | else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) | |
c33b3297 | 1896 | log_error_errno(target->load_error, "Failed to load default target: %m"); |
ac155bb8 | 1897 | else if (target->load_state == UNIT_MASKED) |
6daf4f90 | 1898 | log_error("Default target masked."); |
27b14a22 | 1899 | |
ac155bb8 | 1900 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1901 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1902 | |
e96d6be7 LP |
1903 | r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); |
1904 | if (r < 0) { | |
4104970e | 1905 | log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r)); |
cb6531be | 1906 | error_message = "Failed to load rescue target"; |
a16e1123 | 1907 | goto finish; |
11ddb6f4 | 1908 | } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) { |
c33b3297 | 1909 | log_emergency_errno(target->load_error, "Failed to load rescue target: %m"); |
cb6531be | 1910 | error_message = "Failed to load rescue target"; |
1c27d3f3 | 1911 | goto finish; |
ac155bb8 | 1912 | } else if (target->load_state == UNIT_MASKED) { |
4104970e | 1913 | log_emergency("Rescue target masked."); |
cb6531be | 1914 | error_message = "Rescue target masked"; |
00dc5d76 | 1915 | goto finish; |
a16e1123 LP |
1916 | } |
1917 | } | |
37d88da7 | 1918 | |
ac155bb8 | 1919 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1920 | |
fa0f4d8a | 1921 | if (arg_action == ACTION_TEST) { |
40d50879 | 1922 | printf("-> By units:\n"); |
a16e1123 LP |
1923 | manager_dump_units(m, stdout, "\t"); |
1924 | } | |
1925 | ||
4bd29fe5 | 1926 | r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, &error, &default_unit_job); |
ab17a050 | 1927 | if (r == -EPERM) { |
718db961 | 1928 | log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r)); |
ab17a050 | 1929 | |
5022ce71 LP |
1930 | sd_bus_error_free(&error); |
1931 | ||
4bd29fe5 | 1932 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, &error, &default_unit_job); |
ab17a050 | 1933 | if (r < 0) { |
4104970e | 1934 | log_emergency("Failed to start default target: %s", bus_error_message(&error, r)); |
cb6531be | 1935 | error_message = "Failed to start default target"; |
ab17a050 LP |
1936 | goto finish; |
1937 | } | |
1938 | } else if (r < 0) { | |
4104970e | 1939 | log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r)); |
cb6531be | 1940 | error_message = "Failed to isolate default target"; |
37d88da7 LP |
1941 | goto finish; |
1942 | } | |
ab17a050 | 1943 | |
bacbccb7 | 1944 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1945 | |
07672f49 LP |
1946 | after_startup = now(CLOCK_MONOTONIC); |
1947 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1948 | "Loaded units and determined initial transaction in %s.", | |
fdb14b7e | 1949 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC)); |
07672f49 | 1950 | |
fa0f4d8a | 1951 | if (arg_action == ACTION_TEST) { |
40d50879 | 1952 | printf("-> By jobs:\n"); |
a16e1123 | 1953 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1954 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1955 | goto finish; |
1956 | } | |
e965d56d | 1957 | } |
d46de8a1 | 1958 | |
a16e1123 | 1959 | for (;;) { |
e96d6be7 LP |
1960 | r = manager_loop(m); |
1961 | if (r < 0) { | |
da927ba9 | 1962 | log_emergency_errno(r, "Failed to run main loop: %m"); |
cb6531be | 1963 | error_message = "Failed to run main loop"; |
a16e1123 LP |
1964 | goto finish; |
1965 | } | |
11dd41ce | 1966 | |
a16e1123 | 1967 | switch (m->exit_code) { |
e965d56d | 1968 | |
a16e1123 | 1969 | case MANAGER_RELOAD: |
e015090f | 1970 | log_info("Reloading."); |
06af2a04 TB |
1971 | |
1972 | r = parse_config_file(); | |
1973 | if (r < 0) | |
1974 | log_error("Failed to parse config file."); | |
1975 | ||
1976 | manager_set_defaults(m); | |
1977 | ||
e96d6be7 LP |
1978 | r = manager_reload(m); |
1979 | if (r < 0) | |
da927ba9 | 1980 | log_error_errno(r, "Failed to reload: %m"); |
a16e1123 | 1981 | break; |
cea8e32e | 1982 | |
a16e1123 | 1983 | case MANAGER_REEXECUTE: |
664f88a7 | 1984 | |
cb6531be | 1985 | if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) { |
6b9af963 | 1986 | error_message = "Failed to prepare for reexecution"; |
a16e1123 | 1987 | goto finish; |
cb6531be | 1988 | } |
60918275 | 1989 | |
a16e1123 | 1990 | reexecute = true; |
e015090f | 1991 | log_notice("Reexecuting."); |
a16e1123 LP |
1992 | goto finish; |
1993 | ||
664f88a7 LP |
1994 | case MANAGER_SWITCH_ROOT: |
1995 | /* Steal the switch root parameters */ | |
41669317 | 1996 | switch_root_dir = m->switch_root; |
664f88a7 LP |
1997 | switch_root_init = m->switch_root_init; |
1998 | m->switch_root = m->switch_root_init = NULL; | |
1999 | ||
2000 | if (!switch_root_init) | |
cb6531be | 2001 | if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) { |
6b9af963 | 2002 | error_message = "Failed to prepare for reexecution"; |
664f88a7 | 2003 | goto finish; |
cb6531be | 2004 | } |
664f88a7 LP |
2005 | |
2006 | reexecute = true; | |
2007 | log_notice("Switching root."); | |
2008 | goto finish; | |
2009 | ||
287419c1 | 2010 | case MANAGER_EXIT: |
97792515 LP |
2011 | retval = m->return_value; |
2012 | ||
463d0d15 | 2013 | if (MANAGER_IS_USER(m)) { |
8ebfe0cb DH |
2014 | log_debug("Exit."); |
2015 | goto finish; | |
2016 | } | |
2017 | ||
2018 | /* fallthrough */ | |
b9080b03 FF |
2019 | case MANAGER_REBOOT: |
2020 | case MANAGER_POWEROFF: | |
2021 | case MANAGER_HALT: | |
2022 | case MANAGER_KEXEC: { | |
2023 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
287419c1 | 2024 | [MANAGER_EXIT] = "exit", |
b9080b03 FF |
2025 | [MANAGER_REBOOT] = "reboot", |
2026 | [MANAGER_POWEROFF] = "poweroff", | |
2027 | [MANAGER_HALT] = "halt", | |
2028 | [MANAGER_KEXEC] = "kexec" | |
2029 | }; | |
2030 | ||
2031 | assert_se(shutdown_verb = table[m->exit_code]); | |
e96d6be7 | 2032 | arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT; |
b9080b03 FF |
2033 | |
2034 | log_notice("Shutting down."); | |
2035 | goto finish; | |
2036 | } | |
2037 | ||
a16e1123 LP |
2038 | default: |
2039 | assert_not_reached("Unknown exit code."); | |
2040 | } | |
2041 | } | |
f170852a | 2042 | |
60918275 | 2043 | finish: |
b87c2aa6 ZJS |
2044 | pager_close(); |
2045 | ||
97792515 | 2046 | if (m) |
81f5fc2d | 2047 | arg_shutdown_watchdog = m->shutdown_watchdog; |
fe382237 | 2048 | |
06d8d842 | 2049 | m = manager_free(m); |
60918275 | 2050 | |
1f6b4113 | 2051 | for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) |
a1e58e8e | 2052 | arg_default_rlimit[j] = mfree(arg_default_rlimit[j]); |
c93ff2e9 | 2053 | |
97b11eed | 2054 | arg_default_unit = mfree(arg_default_unit); |
7d5ceb64 | 2055 | arg_confirm_spawn = mfree(arg_confirm_spawn); |
fe382237 | 2056 | arg_join_controllers = strv_free_free(arg_join_controllers); |
97b11eed | 2057 | arg_default_environment = strv_free(arg_default_environment); |
525d3cc7 | 2058 | arg_syscall_archs = set_free(arg_syscall_archs); |
d3b1c508 | 2059 | |
cc56fafe | 2060 | mac_selinux_finish(); |
b2bb3dbe | 2061 | |
a16e1123 | 2062 | if (reexecute) { |
664f88a7 | 2063 | const char **args; |
e564a982 | 2064 | unsigned i, args_size; |
a16e1123 | 2065 | |
664f88a7 LP |
2066 | /* Close and disarm the watchdog, so that the new |
2067 | * instance can reinitialize it, but doesn't get | |
2068 | * rebooted while we do that */ | |
2069 | watchdog_close(true); | |
a16e1123 | 2070 | |
4096d6f5 LP |
2071 | /* Reset the RLIMIT_NOFILE to the kernel default, so |
2072 | * that the new systemd can pass the kernel default to | |
2073 | * its child processes */ | |
2074 | if (saved_rlimit_nofile.rlim_cur > 0) | |
92ca4cac | 2075 | (void) setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile); |
fb3ae275 LP |
2076 | if (saved_rlimit_memlock.rlim_cur != (rlim_t) -1) |
2077 | (void) setrlimit(RLIMIT_MEMLOCK, &saved_rlimit_memlock); | |
4096d6f5 | 2078 | |
41669317 | 2079 | if (switch_root_dir) { |
cee530bb LP |
2080 | /* Kill all remaining processes from the |
2081 | * initrd, but don't wait for them, so that we | |
2082 | * can handle the SIGCHLD for them after | |
2083 | * deserializing. */ | |
0bee65f0 | 2084 | broadcast_signal(SIGTERM, false, true); |
bd3fa1d2 | 2085 | |
5a4bf02f HH |
2086 | /* And switch root with MS_MOVE, because we remove the old directory afterwards and detach it. */ |
2087 | r = switch_root(switch_root_dir, "/mnt", true, MS_MOVE); | |
41669317 | 2088 | if (r < 0) |
da927ba9 | 2089 | log_error_errno(r, "Failed to switch root, trying to continue: %m"); |
41669317 | 2090 | } |
a16e1123 | 2091 | |
d03bc1b8 | 2092 | args_size = MAX(6, argc+1); |
e564a982 | 2093 | args = newa(const char*, args_size); |
a16e1123 | 2094 | |
664f88a7 | 2095 | if (!switch_root_init) { |
5ffa8c81 | 2096 | char sfd[DECIMAL_STR_MAX(int) + 1]; |
a16e1123 | 2097 | |
664f88a7 LP |
2098 | /* First try to spawn ourselves with the right |
2099 | * path, and with full serialization. We do | |
2100 | * this only if the user didn't specify an | |
2101 | * explicit init to spawn. */ | |
edb9aaa8 | 2102 | |
d3b1c508 | 2103 | assert(arg_serialization); |
664f88a7 | 2104 | assert(fds); |
edb9aaa8 | 2105 | |
5ffa8c81 | 2106 | xsprintf(sfd, "%i", fileno(arg_serialization)); |
edb9aaa8 | 2107 | |
664f88a7 LP |
2108 | i = 0; |
2109 | args[i++] = SYSTEMD_BINARY_PATH; | |
41669317 | 2110 | if (switch_root_dir) |
2660882b | 2111 | args[i++] = "--switched-root"; |
463d0d15 | 2112 | args[i++] = arg_system ? "--system" : "--user"; |
664f88a7 LP |
2113 | args[i++] = "--deserialize"; |
2114 | args[i++] = sfd; | |
2115 | args[i++] = NULL; | |
edb9aaa8 | 2116 | |
e564a982 | 2117 | assert(i <= args_size); |
dcadc967 EV |
2118 | |
2119 | /* | |
2120 | * We want valgrind to print its memory usage summary before reexecution. | |
2121 | * Valgrind won't do this is on its own on exec(), but it will do it on exit(). | |
2122 | * Hence, to ensure we get a summary here, fork() off a child, let it exit() cleanly, | |
2123 | * so that it prints the summary, and wait() for it in the parent, before proceeding into the exec(). | |
2124 | */ | |
2125 | valgrind_summary_hack(); | |
2126 | ||
92ca4cac | 2127 | (void) execv(args[0], (char* const*) args); |
664f88a7 | 2128 | } |
6e98720f | 2129 | |
664f88a7 LP |
2130 | /* Try the fallback, if there is any, without any |
2131 | * serialization. We pass the original argv[] and | |
2132 | * envp[]. (Well, modulo the ordering changes due to | |
2133 | * getopt() in argv[], and some cleanups in envp[], | |
2134 | * but let's hope that doesn't matter.) */ | |
a16e1123 | 2135 | |
74ca738f | 2136 | arg_serialization = safe_fclose(arg_serialization); |
2feceb5e | 2137 | fds = fdset_free(fds); |
a16e1123 | 2138 | |
bd64d82c ZJS |
2139 | /* Reopen the console */ |
2140 | (void) make_console_stdio(); | |
2141 | ||
d3b1c508 | 2142 | for (j = 1, i = 1; j < (unsigned) argc; j++) |
664f88a7 | 2143 | args[i++] = argv[j]; |
a16e1123 | 2144 | args[i++] = NULL; |
e564a982 | 2145 | assert(i <= args_size); |
b8f83232 | 2146 | |
1b6d7fa7 | 2147 | /* Reenable any blocked signals, especially important |
5a85ca1c | 2148 | * if we switch from initial ramdisk to init=... */ |
ce30c8dc LP |
2149 | (void) reset_all_signal_handlers(); |
2150 | (void) reset_signal_mask(); | |
5a85ca1c | 2151 | |
b8f83232 LP |
2152 | if (switch_root_init) { |
2153 | args[0] = switch_root_init; | |
92ca4cac | 2154 | (void) execv(args[0], (char* const*) args); |
56f64d95 | 2155 | log_warning_errno(errno, "Failed to execute configured init, trying fallback: %m"); |
b8f83232 LP |
2156 | } |
2157 | ||
2158 | args[0] = "/sbin/init"; | |
92ca4cac | 2159 | (void) execv(args[0], (char* const*) args); |
a16e1123 | 2160 | |
745e2fb7 KS |
2161 | if (errno == ENOENT) { |
2162 | log_warning("No /sbin/init, trying fallback"); | |
b8f83232 | 2163 | |
745e2fb7 KS |
2164 | args[0] = "/bin/sh"; |
2165 | args[1] = NULL; | |
92ca4cac | 2166 | (void) execv(args[0], (char* const*) args); |
56f64d95 | 2167 | log_error_errno(errno, "Failed to execute /bin/sh, giving up: %m"); |
745e2fb7 | 2168 | } else |
56f64d95 | 2169 | log_warning_errno(errno, "Failed to execute /sbin/init, giving up: %m"); |
a16e1123 LP |
2170 | } |
2171 | ||
74ca738f | 2172 | arg_serialization = safe_fclose(arg_serialization); |
2feceb5e | 2173 | fds = fdset_free(fds); |
a16e1123 | 2174 | |
54b434b1 LP |
2175 | #ifdef HAVE_VALGRIND_VALGRIND_H |
2176 | /* If we are PID 1 and running under valgrind, then let's exit | |
2177 | * here explicitly. valgrind will only generate nice output on | |
2178 | * exit(), not on exec(), hence let's do the former not the | |
2179 | * latter here. */ | |
df0ff127 | 2180 | if (getpid_cached() == 1 && RUNNING_ON_VALGRIND) |
54b434b1 LP |
2181 | return 0; |
2182 | #endif | |
2183 | ||
b9080b03 | 2184 | if (shutdown_verb) { |
b1e90ec5 | 2185 | char log_level[DECIMAL_STR_MAX(int) + 1]; |
287419c1 AC |
2186 | char exit_code[DECIMAL_STR_MAX(uint8_t) + 1]; |
2187 | const char* command_line[11] = { | |
b9080b03 FF |
2188 | SYSTEMD_SHUTDOWN_BINARY_PATH, |
2189 | shutdown_verb, | |
b1e90ec5 ZJS |
2190 | "--log-level", log_level, |
2191 | "--log-target", | |
b9080b03 | 2192 | }; |
b1e90ec5 | 2193 | unsigned pos = 5; |
e3e45d4f | 2194 | _cleanup_strv_free_ char **env_block = NULL; |
15bd5aee LP |
2195 | |
2196 | assert(command_line[pos] == NULL); | |
e3e45d4f | 2197 | env_block = strv_copy(environ); |
b9080b03 | 2198 | |
5ffa8c81 | 2199 | xsprintf(log_level, "%d", log_get_max_level()); |
b1e90ec5 ZJS |
2200 | |
2201 | switch (log_get_target()) { | |
92ca4cac | 2202 | |
b1e90ec5 ZJS |
2203 | case LOG_TARGET_KMSG: |
2204 | case LOG_TARGET_JOURNAL_OR_KMSG: | |
2205 | case LOG_TARGET_SYSLOG_OR_KMSG: | |
2206 | command_line[pos++] = "kmsg"; | |
2207 | break; | |
2208 | ||
10f00ff1 ILG |
2209 | case LOG_TARGET_NULL: |
2210 | command_line[pos++] = "null"; | |
2211 | break; | |
2212 | ||
b1e90ec5 ZJS |
2213 | case LOG_TARGET_CONSOLE: |
2214 | default: | |
2215 | command_line[pos++] = "console"; | |
2216 | break; | |
2217 | }; | |
2218 | ||
2219 | if (log_get_show_color()) | |
2220 | command_line[pos++] = "--log-color"; | |
2221 | ||
2222 | if (log_get_show_location()) | |
2223 | command_line[pos++] = "--log-location"; | |
2224 | ||
287419c1 AC |
2225 | if (streq(shutdown_verb, "exit")) { |
2226 | command_line[pos++] = "--exit-code"; | |
2227 | command_line[pos++] = exit_code; | |
97792515 | 2228 | xsprintf(exit_code, "%d", retval); |
287419c1 AC |
2229 | } |
2230 | ||
26abdc73 | 2231 | assert(pos < ELEMENTSOF(command_line)); |
b1e90ec5 | 2232 | |
5146c619 | 2233 | if (arm_reboot_watchdog && arg_shutdown_watchdog > 0 && arg_shutdown_watchdog != USEC_INFINITY) { |
e3e45d4f | 2234 | char *e; |
d18f337c | 2235 | |
e96d6be7 LP |
2236 | /* If we reboot let's set the shutdown |
2237 | * watchdog and tell the shutdown binary to | |
2238 | * repeatedly ping it */ | |
c2cc6b9a LP |
2239 | r = watchdog_set_timeout(&arg_shutdown_watchdog); |
2240 | watchdog_close(r < 0); | |
e96d6be7 | 2241 | |
e3e45d4f SP |
2242 | /* Tell the binary how often to ping, ignore failure */ |
2243 | if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0) | |
92ca4cac | 2244 | (void) strv_push(&env_block, e); |
e3e45d4f | 2245 | } else |
e96d6be7 LP |
2246 | watchdog_close(true); |
2247 | ||
66713f77 LP |
2248 | /* Avoid the creation of new processes forked by the |
2249 | * kernel; at this point, we will not listen to the | |
2250 | * signals anyway */ | |
75f86906 | 2251 | if (detect_container() <= 0) |
e155a0aa | 2252 | (void) cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER); |
ad929bcc | 2253 | |
d18f337c | 2254 | execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block); |
56f64d95 | 2255 | log_error_errno(errno, "Failed to execute shutdown binary, %s: %m", |
df0ff127 | 2256 | getpid_cached() == 1 ? "freezing" : "quitting"); |
b9080b03 FF |
2257 | } |
2258 | ||
df0ff127 | 2259 | if (getpid_cached() == 1) { |
cb6531be ZJS |
2260 | if (error_message) |
2261 | manager_status_printf(NULL, STATUS_TYPE_EMERGENCY, | |
1fc464f6 | 2262 | ANSI_HIGHLIGHT_RED "!!!!!!" ANSI_NORMAL, |
cb6531be | 2263 | "%s, freezing.", error_message); |
b9e74c39 | 2264 | freeze_or_reboot(); |
cb6531be | 2265 | } |
c3b3c274 | 2266 | |
60918275 LP |
2267 | return retval; |
2268 | } |