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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
60918275 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
60918275 | 22 | #include <errno.h> |
3dfc9763 | 23 | #include <fcntl.h> |
f170852a | 24 | #include <getopt.h> |
97c4f35c | 25 | #include <signal.h> |
3dfc9763 LP |
26 | #include <stdio.h> |
27 | #include <string.h> | |
664f88a7 | 28 | #include <sys/mount.h> |
3dfc9763 | 29 | #include <sys/prctl.h> |
b9e74c39 | 30 | #include <sys/reboot.h> |
3dfc9763 LP |
31 | #include <sys/stat.h> |
32 | #include <unistd.h> | |
b64a3d86 LP |
33 | #ifdef HAVE_SECCOMP |
34 | #include <seccomp.h> | |
35 | #endif | |
3dfc9763 LP |
36 | #ifdef HAVE_VALGRIND_VALGRIND_H |
37 | #include <valgrind/valgrind.h> | |
38 | #endif | |
54b434b1 | 39 | |
718db961 | 40 | #include "sd-daemon.h" |
718db961 | 41 | #include "sd-bus.h" |
3dfc9763 | 42 | |
b5efdb8a | 43 | #include "alloc-util.h" |
d9d93745 | 44 | #include "architecture.h" |
3dfc9763 LP |
45 | #include "build.h" |
46 | #include "bus-error.h" | |
47 | #include "bus-util.h" | |
430f0182 | 48 | #include "capability-util.h" |
24efb112 | 49 | #include "clock-util.h" |
3dfc9763 | 50 | #include "conf-parser.h" |
618234a5 | 51 | #include "cpu-set-util.h" |
3dfc9763 LP |
52 | #include "dbus-manager.h" |
53 | #include "def.h" | |
54 | #include "env-util.h" | |
3ffd4af2 | 55 | #include "fd-util.h" |
3dfc9763 | 56 | #include "fdset.h" |
718db961 | 57 | #include "fileio.h" |
24882e06 | 58 | #include "formats-util.h" |
f4f15635 | 59 | #include "fs-util.h" |
3dfc9763 LP |
60 | #include "hostname-setup.h" |
61 | #include "ima-setup.h" | |
62 | #include "killall.h" | |
63 | #include "kmod-setup.h" | |
d7b8eec7 | 64 | #include "load-fragment.h" |
3dfc9763 | 65 | #include "log.h" |
b6e66135 | 66 | #include "loopback-setup.h" |
b6e66135 | 67 | #include "machine-id-setup.h" |
3dfc9763 LP |
68 | #include "manager.h" |
69 | #include "missing.h" | |
70 | #include "mount-setup.h" | |
71 | #include "pager.h" | |
6bedfcbb | 72 | #include "parse-util.h" |
4e731273 | 73 | #include "proc-cmdline.h" |
3dfc9763 | 74 | #include "process-util.h" |
78f22b97 | 75 | #include "rlimit-util.h" |
b6e66135 | 76 | #include "selinux-setup.h" |
3dfc9763 LP |
77 | #include "selinux-util.h" |
78 | #include "signal-util.h" | |
ffbd2c4d | 79 | #include "smack-setup.h" |
3dfc9763 | 80 | #include "special.h" |
8fcde012 | 81 | #include "stat-util.h" |
15a5e950 | 82 | #include "stdio-util.h" |
3dfc9763 LP |
83 | #include "strv.h" |
84 | #include "switch-root.h" | |
85 | #include "terminal-util.h" | |
b1d4f8e1 | 86 | #include "user-util.h" |
3dfc9763 LP |
87 | #include "virt.h" |
88 | #include "watchdog.h" | |
b6e66135 | 89 | |
f170852a LP |
90 | static enum { |
91 | ACTION_RUN, | |
e965d56d | 92 | ACTION_HELP, |
9ba0bc4e | 93 | ACTION_VERSION, |
e537352b | 94 | ACTION_TEST, |
4288f619 LP |
95 | ACTION_DUMP_CONFIGURATION_ITEMS, |
96 | ACTION_DONE | |
fa0f4d8a | 97 | } arg_action = ACTION_RUN; |
fa0f4d8a | 98 | static char *arg_default_unit = NULL; |
b2c23da8 | 99 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; |
fa0f4d8a | 100 | static bool arg_dump_core = true; |
fa0f4d8a | 101 | static int arg_crash_chvt = -1; |
b9e74c39 LP |
102 | static bool arg_crash_shell = false; |
103 | static bool arg_crash_reboot = false; | |
fa0f4d8a | 104 | static bool arg_confirm_spawn = false; |
b6e2f329 | 105 | static ShowStatus arg_show_status = _SHOW_STATUS_UNSET; |
bf4df7c3 | 106 | static bool arg_switched_root = false; |
b87c2aa6 | 107 | static int arg_no_pager = -1; |
0c85a4f3 | 108 | static char ***arg_join_controllers = NULL; |
706343f4 | 109 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 110 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
1f19a534 OS |
111 | static usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC; |
112 | static usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC; | |
113 | static usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC; | |
3f41e1e5 LN |
114 | static usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL; |
115 | static unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST; | |
e96d6be7 LP |
116 | static usec_t arg_runtime_watchdog = 0; |
117 | static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; | |
97d0e5f8 | 118 | static char **arg_default_environment = NULL; |
517d56b1 | 119 | static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {}; |
ec8927ca | 120 | static uint64_t arg_capability_bounding_set_drop = 0; |
3a43da28 | 121 | static nsec_t arg_timer_slack_nsec = NSEC_INFINITY; |
bd8f585b | 122 | static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE; |
d3b1c508 LP |
123 | static Set* arg_syscall_archs = NULL; |
124 | static FILE* arg_serialization = NULL; | |
085afe36 LP |
125 | static bool arg_default_cpu_accounting = false; |
126 | static bool arg_default_blockio_accounting = false; | |
127 | static bool arg_default_memory_accounting = false; | |
9ded9cd1 LP |
128 | static bool arg_default_tasks_accounting = true; |
129 | static uint64_t arg_default_tasks_max = UINT64_C(512); | |
4fc935ca | 130 | |
b87c2aa6 ZJS |
131 | static void pager_open_if_enabled(void) { |
132 | ||
133 | if (arg_no_pager <= 0) | |
134 | return; | |
135 | ||
136 | pager_open(false); | |
137 | } | |
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 | |
abb26902 LP |
158 | if (getpid() != 1) |
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 | |
ee05e779 | 172 | pid = raw_clone(SIGCHLD, NULL); |
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) { |
92ca4cac LP |
176 | struct rlimit rl = { |
177 | .rlim_cur = RLIM_INFINITY, | |
178 | .rlim_max = RLIM_INFINITY, | |
179 | }; | |
97c4f35c LP |
180 | |
181 | /* Enable default signal handler for core dump */ | |
92ca4cac LP |
182 | sa = (struct sigaction) { |
183 | .sa_handler = SIG_DFL, | |
184 | }; | |
185 | (void) sigaction(sig, &sa, NULL); | |
97c4f35c LP |
186 | |
187 | /* Don't limit the core dump size */ | |
92ca4cac | 188 | (void) setrlimit(RLIMIT_CORE, &rl); |
97c4f35c LP |
189 | |
190 | /* Just to be sure... */ | |
e62d9b81 | 191 | (void) chdir("/"); |
97c4f35c LP |
192 | |
193 | /* Raise the signal again */ | |
ee05e779 | 194 | pid = raw_getpid(); |
92ca4cac | 195 | (void) kill(pid, sig); /* raise() would kill the parent */ |
97c4f35c LP |
196 | |
197 | assert_not_reached("We shouldn't be here..."); | |
92ca4cac | 198 | _exit(EXIT_FAILURE); |
4fc935ca | 199 | } else { |
8e12a6ae LP |
200 | siginfo_t status; |
201 | int r; | |
4fc935ca LP |
202 | |
203 | /* Order things nicely. */ | |
e62d8c39 ZJS |
204 | r = wait_for_terminate(pid, &status); |
205 | if (r < 0) | |
da927ba9 | 206 | log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig)); |
8e12a6ae | 207 | else if (status.si_code != CLD_DUMPED) |
ee05e779 ZJS |
208 | log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).", |
209 | signal_to_string(sig), | |
210 | pid, sigchld_code_to_string(status.si_code), | |
211 | status.si_status, | |
212 | strna(status.si_code == CLD_EXITED | |
213 | ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL) | |
214 | : signal_to_string(status.si_status))); | |
4fc935ca | 215 | else |
4104970e | 216 | log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid); |
97c4f35c LP |
217 | } |
218 | } | |
219 | ||
b9e74c39 | 220 | if (arg_crash_chvt >= 0) |
92ca4cac | 221 | (void) chvt(arg_crash_chvt); |
601f6a1e | 222 | |
7d06dad9 MS |
223 | sa = (struct sigaction) { |
224 | .sa_handler = SIG_IGN, | |
225 | .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, | |
226 | }; | |
227 | ||
228 | /* Let the kernel reap children for us */ | |
229 | (void) sigaction(SIGCHLD, &sa, NULL); | |
8c43883a | 230 | |
7d06dad9 | 231 | if (arg_crash_shell) { |
b9e74c39 | 232 | log_notice("Executing crash shell in 10s..."); |
92ca4cac | 233 | (void) sleep(10); |
4fc935ca | 234 | |
ee05e779 | 235 | pid = raw_clone(SIGCHLD, NULL); |
cd3bd60a | 236 | if (pid < 0) |
56f64d95 | 237 | log_emergency_errno(errno, "Failed to fork off crash shell: %m"); |
6f5e3f35 | 238 | else if (pid == 0) { |
b9e74c39 | 239 | (void) setsid(); |
92ca4cac LP |
240 | (void) make_console_stdio(); |
241 | (void) execle("/bin/sh", "/bin/sh", NULL, environ); | |
6f5e3f35 | 242 | |
ee05e779 | 243 | log_emergency_errno(errno, "execle() failed: %m"); |
92ca4cac | 244 | _exit(EXIT_FAILURE); |
b9e74c39 LP |
245 | } else { |
246 | log_info("Spawned crash shell as PID "PID_FMT".", pid); | |
4cf0b03b | 247 | (void) wait_for_terminate(pid, NULL); |
b9e74c39 | 248 | } |
4fc935ca LP |
249 | } |
250 | ||
b9e74c39 | 251 | freeze_or_reboot(); |
97c4f35c LP |
252 | } |
253 | ||
254 | static void install_crash_handler(void) { | |
297d563d | 255 | static const struct sigaction sa = { |
b92bea5d | 256 | .sa_handler = crash, |
297d563d | 257 | .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */ |
b92bea5d | 258 | }; |
297d563d | 259 | int r; |
97c4f35c | 260 | |
297d563d LP |
261 | /* We ignore the return value here, since, we don't mind if we |
262 | * cannot set up a crash handler */ | |
263 | r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); | |
264 | if (r < 0) | |
265 | log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m"); | |
97c4f35c | 266 | } |
f170852a | 267 | |
56d96fc0 LP |
268 | static int console_setup(void) { |
269 | _cleanup_close_ int tty_fd = -1; | |
270 | int r; | |
80876c20 | 271 | |
512947d4 | 272 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
23bbb0de MS |
273 | if (tty_fd < 0) |
274 | return log_error_errno(tty_fd, "Failed to open /dev/console: %m"); | |
80876c20 | 275 | |
56d96fc0 LP |
276 | /* We don't want to force text mode. plymouth may be showing |
277 | * pictures already from initrd. */ | |
512947d4 | 278 | r = reset_terminal_fd(tty_fd, false); |
23bbb0de MS |
279 | if (r < 0) |
280 | return log_error_errno(r, "Failed to reset /dev/console: %m"); | |
843d2643 | 281 | |
56d96fc0 | 282 | return 0; |
80876c20 LP |
283 | } |
284 | ||
b9e74c39 LP |
285 | static int parse_crash_chvt(const char *value) { |
286 | int b; | |
287 | ||
288 | if (safe_atoi(value, &arg_crash_chvt) >= 0) | |
289 | return 0; | |
290 | ||
291 | b = parse_boolean(value); | |
292 | if (b < 0) | |
293 | return b; | |
294 | ||
295 | if (b > 0) | |
296 | arg_crash_chvt = 0; /* switch to where kmsg goes */ | |
297 | else | |
298 | arg_crash_chvt = -1; /* turn off switching */ | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
059cb385 | 303 | static int parse_proc_cmdline_item(const char *key, const char *value) { |
f170852a | 304 | |
059cb385 | 305 | int r; |
f170852a | 306 | |
059cb385 | 307 | assert(key); |
5192bd19 | 308 | |
059cb385 | 309 | if (streq(key, "systemd.unit") && value) { |
bf4df7c3 LP |
310 | |
311 | if (!in_initrd()) | |
e6e242ad | 312 | return free_and_strdup(&arg_default_unit, value); |
bf4df7c3 | 313 | |
059cb385 | 314 | } else if (streq(key, "rd.systemd.unit") && value) { |
bf4df7c3 | 315 | |
ca05941b | 316 | if (in_initrd()) |
e6e242ad | 317 | return free_and_strdup(&arg_default_unit, value); |
f170852a | 318 | |
059cb385 | 319 | } else if (streq(key, "systemd.dump_core") && value) { |
4fc935ca | 320 | |
059cb385 | 321 | r = parse_boolean(value); |
fb472900 | 322 | if (r < 0) |
059cb385 | 323 | log_warning("Failed to parse dump core switch %s. Ignoring.", value); |
4fc935ca | 324 | else |
fa0f4d8a | 325 | arg_dump_core = r; |
4fc935ca | 326 | |
b9e74c39 LP |
327 | } else if (streq(key, "systemd.crash_chvt") && value) { |
328 | ||
329 | if (parse_crash_chvt(value) < 0) | |
330 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", value); | |
331 | ||
059cb385 | 332 | } else if (streq(key, "systemd.crash_shell") && value) { |
4fc935ca | 333 | |
059cb385 | 334 | r = parse_boolean(value); |
fb472900 | 335 | if (r < 0) |
059cb385 | 336 | log_warning("Failed to parse crash shell switch %s. Ignoring.", value); |
4fc935ca | 337 | else |
fa0f4d8a | 338 | arg_crash_shell = r; |
5e7ee61c | 339 | |
b9e74c39 | 340 | } else if (streq(key, "systemd.crash_reboot") && value) { |
5e7ee61c | 341 | |
b9e74c39 LP |
342 | r = parse_boolean(value); |
343 | if (r < 0) | |
344 | log_warning("Failed to parse crash reboot switch %s. Ignoring.", value); | |
5e7ee61c | 345 | else |
b9e74c39 | 346 | arg_crash_reboot = r; |
5e7ee61c | 347 | |
059cb385 | 348 | } else if (streq(key, "systemd.confirm_spawn") && value) { |
601f6a1e | 349 | |
059cb385 LP |
350 | r = parse_boolean(value); |
351 | if (r < 0) | |
352 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value); | |
601f6a1e | 353 | else |
059cb385 | 354 | arg_confirm_spawn = r; |
601f6a1e | 355 | |
059cb385 | 356 | } else if (streq(key, "systemd.show_status") && value) { |
9e58ff9c | 357 | |
059cb385 | 358 | r = parse_show_status(value, &arg_show_status); |
d450b6f2 | 359 | if (r < 0) |
059cb385 LP |
360 | log_warning("Failed to parse show status switch %s. Ignoring.", value); |
361 | ||
362 | } else if (streq(key, "systemd.default_standard_output") && value) { | |
0a494f1f | 363 | |
059cb385 | 364 | r = exec_output_from_string(value); |
fb472900 | 365 | if (r < 0) |
059cb385 | 366 | log_warning("Failed to parse default standard output switch %s. Ignoring.", value); |
0a494f1f LP |
367 | else |
368 | arg_default_std_output = r; | |
0a494f1f | 369 | |
059cb385 LP |
370 | } else if (streq(key, "systemd.default_standard_error") && value) { |
371 | ||
372 | r = exec_output_from_string(value); | |
fb472900 | 373 | if (r < 0) |
059cb385 | 374 | log_warning("Failed to parse default standard error switch %s. Ignoring.", value); |
0a494f1f LP |
375 | else |
376 | arg_default_std_error = r; | |
9e7c5357 | 377 | |
059cb385 LP |
378 | } else if (streq(key, "systemd.setenv") && value) { |
379 | ||
380 | if (env_assignment_is_valid(value)) { | |
e21fea24 KS |
381 | char **env; |
382 | ||
059cb385 | 383 | env = strv_env_set(arg_default_environment, value); |
e21fea24 KS |
384 | if (env) |
385 | arg_default_environment = env; | |
386 | else | |
279d3c9c | 387 | log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value); |
e21fea24 | 388 | } else |
059cb385 | 389 | log_warning("Environment variable name '%s' is not valid. Ignoring.", value); |
9e58ff9c | 390 | |
059cb385 | 391 | } else if (streq(key, "quiet") && !value) { |
d7b15e0a | 392 | |
b6e2f329 | 393 | if (arg_show_status == _SHOW_STATUS_UNSET) |
d450b6f2 | 394 | arg_show_status = SHOW_STATUS_AUTO; |
059cb385 LP |
395 | |
396 | } else if (streq(key, "debug") && !value) { | |
d7b15e0a | 397 | |
1de1c9c3 LP |
398 | /* Note that log_parse_environment() handles 'debug' |
399 | * too, and sets the log level to LOG_DEBUG. */ | |
d7b15e0a | 400 | |
75f86906 | 401 | if (detect_container() > 0) |
b2103dcc | 402 | log_set_target(LOG_TARGET_CONSOLE); |
059cb385 LP |
403 | |
404 | } else if (!in_initrd() && !value) { | |
e2c9a131 | 405 | const char *target; |
f170852a LP |
406 | |
407 | /* SysV compatibility */ | |
e2c9a131 EV |
408 | target = runlevel_to_target(key); |
409 | if (target) | |
410 | return free_and_strdup(&arg_default_unit, target); | |
f170852a LP |
411 | } |
412 | ||
413 | return 0; | |
414 | } | |
415 | ||
e8e581bf ZJS |
416 | #define DEFINE_SETTER(name, func, descr) \ |
417 | static int name(const char *unit, \ | |
418 | const char *filename, \ | |
419 | unsigned line, \ | |
420 | const char *section, \ | |
71a61510 | 421 | unsigned section_line, \ |
e8e581bf ZJS |
422 | const char *lvalue, \ |
423 | int ltype, \ | |
424 | const char *rvalue, \ | |
425 | void *data, \ | |
426 | void *userdata) { \ | |
427 | \ | |
428 | int r; \ | |
429 | \ | |
430 | assert(filename); \ | |
431 | assert(lvalue); \ | |
432 | assert(rvalue); \ | |
433 | \ | |
434 | r = func(rvalue); \ | |
435 | if (r < 0) \ | |
d1cefe0a LP |
436 | log_syntax(unit, LOG_ERR, filename, line, r, \ |
437 | "Invalid " descr "'%s': %m", \ | |
438 | rvalue); \ | |
e8e581bf ZJS |
439 | \ |
440 | return 0; \ | |
441 | } | |
487393e9 | 442 | |
e8e581bf ZJS |
443 | DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level") |
444 | DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target") | |
445 | DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" ) | |
446 | DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location") | |
487393e9 | 447 | |
4d7213b2 LP |
448 | static int config_parse_cpu_affinity2( |
449 | const char *unit, | |
450 | const char *filename, | |
451 | unsigned line, | |
452 | const char *section, | |
453 | unsigned section_line, | |
454 | const char *lvalue, | |
455 | int ltype, | |
456 | const char *rvalue, | |
457 | void *data, | |
458 | void *userdata) { | |
487393e9 | 459 | |
4b40bc38 | 460 | _cleanup_cpu_free_ cpu_set_t *c = NULL; |
f5c72b73 | 461 | int ncpus; |
487393e9 | 462 | |
765d143b | 463 | ncpus = parse_cpu_set_and_warn(rvalue, &c, unit, filename, line, lvalue); |
f5c72b73 FB |
464 | if (ncpus < 0) |
465 | return ncpus; | |
487393e9 | 466 | |
f5c72b73 FB |
467 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) |
468 | log_warning("Failed to set CPU affinity: %m"); | |
487393e9 | 469 | |
487393e9 LP |
470 | return 0; |
471 | } | |
472 | ||
4d7213b2 LP |
473 | static int config_parse_show_status( |
474 | const char* unit, | |
475 | const char *filename, | |
476 | unsigned line, | |
477 | const char *section, | |
478 | unsigned section_line, | |
479 | const char *lvalue, | |
480 | int ltype, | |
481 | const char *rvalue, | |
482 | void *data, | |
483 | void *userdata) { | |
484 | ||
485 | int k; | |
486 | ShowStatus *b = data; | |
487 | ||
488 | assert(filename); | |
489 | assert(lvalue); | |
490 | assert(rvalue); | |
491 | assert(data); | |
492 | ||
493 | k = parse_show_status(rvalue, b); | |
494 | if (k < 0) { | |
12ca818f | 495 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse show status setting, ignoring: %s", rvalue); |
4d7213b2 LP |
496 | return 0; |
497 | } | |
498 | ||
499 | return 0; | |
500 | } | |
501 | ||
b9e74c39 LP |
502 | static int config_parse_crash_chvt( |
503 | const char* unit, | |
504 | const char *filename, | |
505 | unsigned line, | |
506 | const char *section, | |
507 | unsigned section_line, | |
508 | const char *lvalue, | |
509 | int ltype, | |
510 | const char *rvalue, | |
511 | void *data, | |
512 | void *userdata) { | |
513 | ||
514 | int r; | |
515 | ||
516 | assert(filename); | |
517 | assert(lvalue); | |
518 | assert(rvalue); | |
b9e74c39 LP |
519 | |
520 | r = parse_crash_chvt(rvalue); | |
521 | if (r < 0) { | |
522 | log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CrashChangeVT= setting, ignoring: %s", rvalue); | |
523 | return 0; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | } | |
528 | ||
e8e581bf ZJS |
529 | static int config_parse_join_controllers(const char *unit, |
530 | const char *filename, | |
531 | unsigned line, | |
532 | const char *section, | |
71a61510 | 533 | unsigned section_line, |
e8e581bf ZJS |
534 | const char *lvalue, |
535 | int ltype, | |
536 | const char *rvalue, | |
537 | void *data, | |
538 | void *userdata) { | |
0c85a4f3 | 539 | |
3875c85b | 540 | const char *whole_rvalue = rvalue; |
0c85a4f3 | 541 | unsigned n = 0; |
0c85a4f3 LP |
542 | |
543 | assert(filename); | |
544 | assert(lvalue); | |
545 | assert(rvalue); | |
546 | ||
fe382237 | 547 | arg_join_controllers = strv_free_free(arg_join_controllers); |
0c85a4f3 | 548 | |
d4ebeb4f FB |
549 | for (;;) { |
550 | _cleanup_free_ char *word = NULL; | |
551 | char **l; | |
552 | int r; | |
0c85a4f3 | 553 | |
d4ebeb4f | 554 | r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES); |
3875c85b FB |
555 | if (r < 0) { |
556 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue); | |
d4ebeb4f | 557 | return r; |
3875c85b | 558 | } |
d4ebeb4f FB |
559 | if (r == 0) |
560 | break; | |
0c85a4f3 | 561 | |
d4ebeb4f | 562 | l = strv_split(word, ","); |
1592ec21 | 563 | if (!l) |
aa8aeac0 | 564 | return log_oom(); |
0c85a4f3 LP |
565 | strv_uniq(l); |
566 | ||
567 | if (strv_length(l) <= 1) { | |
568 | strv_free(l); | |
569 | continue; | |
570 | } | |
571 | ||
572 | if (!arg_join_controllers) { | |
573 | arg_join_controllers = new(char**, 2); | |
574 | if (!arg_join_controllers) { | |
575 | strv_free(l); | |
14212119 | 576 | return log_oom(); |
0c85a4f3 LP |
577 | } |
578 | ||
579 | arg_join_controllers[0] = l; | |
580 | arg_join_controllers[1] = NULL; | |
581 | ||
582 | n = 1; | |
583 | } else { | |
584 | char ***a; | |
585 | char ***t; | |
586 | ||
587 | t = new0(char**, n+2); | |
588 | if (!t) { | |
589 | strv_free(l); | |
14212119 | 590 | return log_oom(); |
0c85a4f3 LP |
591 | } |
592 | ||
593 | n = 0; | |
594 | ||
595 | for (a = arg_join_controllers; *a; a++) { | |
596 | ||
597 | if (strv_overlap(*a, l)) { | |
e287086b | 598 | if (strv_extend_strv(&l, *a, false) < 0) { |
0c85a4f3 LP |
599 | strv_free(l); |
600 | strv_free_free(t); | |
14212119 | 601 | return log_oom(); |
0c85a4f3 LP |
602 | } |
603 | ||
0c85a4f3 LP |
604 | } else { |
605 | char **c; | |
606 | ||
607 | c = strv_copy(*a); | |
608 | if (!c) { | |
609 | strv_free(l); | |
610 | strv_free_free(t); | |
14212119 | 611 | return log_oom(); |
0c85a4f3 LP |
612 | } |
613 | ||
614 | t[n++] = c; | |
615 | } | |
616 | } | |
617 | ||
618 | t[n++] = strv_uniq(l); | |
619 | ||
620 | strv_free_free(arg_join_controllers); | |
621 | arg_join_controllers = t; | |
622 | } | |
623 | } | |
d4ebeb4f | 624 | if (!isempty(rvalue)) |
12ca818f | 625 | log_syntax(unit, LOG_ERR, filename, line, 0, "Trailing garbage, ignoring."); |
0c85a4f3 LP |
626 | |
627 | return 0; | |
628 | } | |
629 | ||
487393e9 LP |
630 | static int parse_config_file(void) { |
631 | ||
f975e971 | 632 | const ConfigTableItem items[] = { |
d3b1c508 LP |
633 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, |
634 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
635 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
636 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
637 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
b9e74c39 LP |
638 | { "Manager", "CrashChVT", /* legacy */ config_parse_crash_chvt, 0, NULL }, |
639 | { "Manager", "CrashChangeVT", config_parse_crash_chvt, 0, NULL }, | |
d3b1c508 | 640 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, |
b9e74c39 | 641 | { "Manager", "CrashReboot", config_parse_bool, 0, &arg_crash_reboot }, |
d3b1c508 | 642 | { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status }, |
d3b1c508 LP |
643 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, |
644 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, | |
645 | { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, | |
646 | { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, | |
647 | { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop }, | |
89fffa27 | 648 | #ifdef HAVE_SECCOMP |
d3b1c508 | 649 | { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs }, |
89fffa27 | 650 | #endif |
d3b1c508 | 651 | { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, |
bd8f585b | 652 | { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec }, |
d3b1c508 LP |
653 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, |
654 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
655 | { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec }, | |
656 | { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec }, | |
657 | { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec }, | |
658 | { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval }, | |
659 | { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst }, | |
660 | { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment }, | |
ecee72e1 | 661 | { "Manager", "DefaultLimitCPU", config_parse_sec_limit, 0, &arg_default_rlimit[RLIMIT_CPU] }, |
412ea7a9 KZ |
662 | { "Manager", "DefaultLimitFSIZE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] }, |
663 | { "Manager", "DefaultLimitDATA", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_DATA] }, | |
664 | { "Manager", "DefaultLimitSTACK", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_STACK] }, | |
665 | { "Manager", "DefaultLimitCORE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_CORE] }, | |
666 | { "Manager", "DefaultLimitRSS", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_RSS] }, | |
d3b1c508 | 667 | { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] }, |
412ea7a9 | 668 | { "Manager", "DefaultLimitAS", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_AS] }, |
d3b1c508 | 669 | { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] }, |
412ea7a9 | 670 | { "Manager", "DefaultLimitMEMLOCK", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] }, |
d3b1c508 LP |
671 | { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] }, |
672 | { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] }, | |
412ea7a9 | 673 | { "Manager", "DefaultLimitMSGQUEUE", config_parse_bytes_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] }, |
d3b1c508 LP |
674 | { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] }, |
675 | { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] }, | |
ecee72e1 | 676 | { "Manager", "DefaultLimitRTTIME", config_parse_usec_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] }, |
085afe36 LP |
677 | { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting }, |
678 | { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting }, | |
679 | { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting }, | |
03a7b521 | 680 | { "Manager", "DefaultTasksAccounting", config_parse_bool, 0, &arg_default_tasks_accounting }, |
0af20ea2 | 681 | { "Manager", "DefaultTasksMax", config_parse_tasks_max, 0, &arg_default_tasks_max }, |
d3b1c508 | 682 | {} |
487393e9 LP |
683 | }; |
684 | ||
1b907b5c | 685 | const char *fn, *conf_dirs_nulstr; |
487393e9 | 686 | |
75eb6154 LP |
687 | fn = arg_running_as == MANAGER_SYSTEM ? |
688 | PKGSYSCONFDIR "/system.conf" : | |
689 | PKGSYSCONFDIR "/user.conf"; | |
690 | ||
691 | conf_dirs_nulstr = arg_running_as == MANAGER_SYSTEM ? | |
692 | CONF_PATHS_NULSTR("systemd/system.conf.d") : | |
693 | CONF_PATHS_NULSTR("systemd/user.conf.d"); | |
694 | ||
1b907b5c JT |
695 | config_parse_many(fn, conf_dirs_nulstr, "Manager\0", |
696 | config_item_table_lookup, items, false, NULL); | |
487393e9 | 697 | |
487393e9 LP |
698 | return 0; |
699 | } | |
700 | ||
06af2a04 TB |
701 | static void manager_set_defaults(Manager *m) { |
702 | ||
703 | assert(m); | |
704 | ||
705 | m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec; | |
706 | m->default_std_output = arg_default_std_output; | |
707 | m->default_std_error = arg_default_std_error; | |
708 | m->default_timeout_start_usec = arg_default_timeout_start_usec; | |
709 | m->default_timeout_stop_usec = arg_default_timeout_stop_usec; | |
710 | m->default_restart_usec = arg_default_restart_usec; | |
711 | m->default_start_limit_interval = arg_default_start_limit_interval; | |
712 | m->default_start_limit_burst = arg_default_start_limit_burst; | |
713 | m->default_cpu_accounting = arg_default_cpu_accounting; | |
714 | m->default_blockio_accounting = arg_default_blockio_accounting; | |
715 | m->default_memory_accounting = arg_default_memory_accounting; | |
03a7b521 | 716 | m->default_tasks_accounting = arg_default_tasks_accounting; |
0af20ea2 | 717 | m->default_tasks_max = arg_default_tasks_max; |
06af2a04 TB |
718 | |
719 | manager_set_default_rlimits(m, arg_default_rlimit); | |
720 | manager_environment_add(m, NULL, arg_default_environment); | |
721 | } | |
722 | ||
f170852a LP |
723 | static int parse_argv(int argc, char *argv[]) { |
724 | ||
725 | enum { | |
726 | ARG_LOG_LEVEL = 0x100, | |
727 | ARG_LOG_TARGET, | |
bbe63281 LP |
728 | ARG_LOG_COLOR, |
729 | ARG_LOG_LOCATION, | |
2f198e2f | 730 | ARG_UNIT, |
edb9aaa8 | 731 | ARG_SYSTEM, |
af2d49f7 | 732 | ARG_USER, |
e537352b | 733 | ARG_TEST, |
b87c2aa6 | 734 | ARG_NO_PAGER, |
9ba0bc4e | 735 | ARG_VERSION, |
80876c20 | 736 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c | 737 | ARG_DUMP_CORE, |
b9e74c39 | 738 | ARG_CRASH_CHVT, |
9e58ff9c | 739 | ARG_CRASH_SHELL, |
b9e74c39 | 740 | ARG_CRASH_REBOOT, |
a16e1123 | 741 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 742 | ARG_SHOW_STATUS, |
4288f619 | 743 | ARG_DESERIALIZE, |
2660882b | 744 | ARG_SWITCHED_ROOT, |
0a494f1f LP |
745 | ARG_DEFAULT_STD_OUTPUT, |
746 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
747 | }; |
748 | ||
749 | static const struct option options[] = { | |
a16e1123 LP |
750 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
751 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
752 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
753 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 754 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 755 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 756 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 | 757 | { "test", no_argument, NULL, ARG_TEST }, |
b87c2aa6 | 758 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, |
a16e1123 | 759 | { "help", no_argument, NULL, 'h' }, |
9ba0bc4e | 760 | { "version", no_argument, NULL, ARG_VERSION }, |
a16e1123 | 761 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, |
a5d87bf0 | 762 | { "dump-core", optional_argument, NULL, ARG_DUMP_CORE }, |
b9e74c39 | 763 | { "crash-chvt", required_argument, NULL, ARG_CRASH_CHVT }, |
a5d87bf0 | 764 | { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL }, |
b9e74c39 | 765 | { "crash-reboot", optional_argument, NULL, ARG_CRASH_REBOOT }, |
a5d87bf0 | 766 | { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN }, |
6e98720f | 767 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 768 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
2660882b | 769 | { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, |
0a494f1f LP |
770 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
771 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
fb472900 | 772 | {} |
f170852a LP |
773 | }; |
774 | ||
775 | int c, r; | |
776 | ||
777 | assert(argc >= 1); | |
778 | assert(argv); | |
779 | ||
b770165a LP |
780 | if (getpid() == 1) |
781 | opterr = 0; | |
782 | ||
099663ff | 783 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
784 | |
785 | switch (c) { | |
786 | ||
787 | case ARG_LOG_LEVEL: | |
fb472900 ZJS |
788 | r = log_set_max_level_from_string(optarg); |
789 | if (r < 0) { | |
f170852a LP |
790 | log_error("Failed to parse log level %s.", optarg); |
791 | return r; | |
792 | } | |
793 | ||
794 | break; | |
795 | ||
796 | case ARG_LOG_TARGET: | |
fb472900 ZJS |
797 | r = log_set_target_from_string(optarg); |
798 | if (r < 0) { | |
f170852a LP |
799 | log_error("Failed to parse log target %s.", optarg); |
800 | return r; | |
801 | } | |
802 | ||
803 | break; | |
804 | ||
bbe63281 LP |
805 | case ARG_LOG_COLOR: |
806 | ||
d0b170c8 | 807 | if (optarg) { |
fb472900 ZJS |
808 | r = log_show_color_from_string(optarg); |
809 | if (r < 0) { | |
d0b170c8 LP |
810 | log_error("Failed to parse log color setting %s.", optarg); |
811 | return r; | |
812 | } | |
813 | } else | |
814 | log_show_color(true); | |
bbe63281 LP |
815 | |
816 | break; | |
817 | ||
818 | case ARG_LOG_LOCATION: | |
d0b170c8 | 819 | if (optarg) { |
fb472900 ZJS |
820 | r = log_show_location_from_string(optarg); |
821 | if (r < 0) { | |
d0b170c8 LP |
822 | log_error("Failed to parse log location setting %s.", optarg); |
823 | return r; | |
824 | } | |
825 | } else | |
826 | log_show_location(true); | |
bbe63281 LP |
827 | |
828 | break; | |
829 | ||
0a494f1f | 830 | case ARG_DEFAULT_STD_OUTPUT: |
fb472900 ZJS |
831 | r = exec_output_from_string(optarg); |
832 | if (r < 0) { | |
0a494f1f LP |
833 | log_error("Failed to parse default standard output setting %s.", optarg); |
834 | return r; | |
835 | } else | |
836 | arg_default_std_output = r; | |
837 | break; | |
838 | ||
839 | case ARG_DEFAULT_STD_ERROR: | |
fb472900 ZJS |
840 | r = exec_output_from_string(optarg); |
841 | if (r < 0) { | |
0a494f1f LP |
842 | log_error("Failed to parse default standard error output setting %s.", optarg); |
843 | return r; | |
844 | } else | |
845 | arg_default_std_error = r; | |
846 | break; | |
847 | ||
2f198e2f | 848 | case ARG_UNIT: |
f170852a | 849 | |
e6e242ad | 850 | r = free_and_strdup(&arg_default_unit, optarg); |
23bbb0de MS |
851 | if (r < 0) |
852 | return log_error_errno(r, "Failed to set default unit %s: %m", optarg); | |
f170852a LP |
853 | |
854 | break; | |
855 | ||
edb9aaa8 | 856 | case ARG_SYSTEM: |
b2c23da8 | 857 | arg_running_as = MANAGER_SYSTEM; |
edb9aaa8 | 858 | break; |
a5dab5ce | 859 | |
af2d49f7 | 860 | case ARG_USER: |
b2c23da8 | 861 | arg_running_as = MANAGER_USER; |
a5dab5ce | 862 | break; |
a5dab5ce | 863 | |
e965d56d | 864 | case ARG_TEST: |
fa0f4d8a | 865 | arg_action = ACTION_TEST; |
b87c2aa6 ZJS |
866 | if (arg_no_pager < 0) |
867 | arg_no_pager = true; | |
868 | break; | |
869 | ||
870 | case ARG_NO_PAGER: | |
871 | arg_no_pager = true; | |
e965d56d LP |
872 | break; |
873 | ||
9ba0bc4e ZJS |
874 | case ARG_VERSION: |
875 | arg_action = ACTION_VERSION; | |
876 | break; | |
877 | ||
e537352b | 878 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 879 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
880 | break; |
881 | ||
9e58ff9c | 882 | case ARG_DUMP_CORE: |
b9e74c39 LP |
883 | if (!optarg) |
884 | arg_dump_core = true; | |
885 | else { | |
886 | r = parse_boolean(optarg); | |
887 | if (r < 0) | |
888 | return log_error_errno(r, "Failed to parse dump core boolean: %s", optarg); | |
889 | arg_dump_core = r; | |
a5d87bf0 | 890 | } |
b9e74c39 LP |
891 | break; |
892 | ||
893 | case ARG_CRASH_CHVT: | |
894 | r = parse_crash_chvt(optarg); | |
895 | if (r < 0) | |
896 | return log_error_errno(r, "Failed to parse crash virtual terminal index: %s", optarg); | |
9e58ff9c LP |
897 | break; |
898 | ||
899 | case ARG_CRASH_SHELL: | |
b9e74c39 LP |
900 | if (!optarg) |
901 | arg_crash_shell = true; | |
902 | else { | |
903 | r = parse_boolean(optarg); | |
904 | if (r < 0) | |
905 | return log_error_errno(r, "Failed to parse crash shell boolean: %s", optarg); | |
906 | arg_crash_shell = r; | |
907 | } | |
908 | break; | |
909 | ||
910 | case ARG_CRASH_REBOOT: | |
911 | if (!optarg) | |
912 | arg_crash_reboot = true; | |
913 | else { | |
914 | r = parse_boolean(optarg); | |
915 | if (r < 0) | |
916 | return log_error_errno(r, "Failed to parse crash shell boolean: %s", optarg); | |
917 | arg_crash_reboot = r; | |
a5d87bf0 | 918 | } |
9e58ff9c LP |
919 | break; |
920 | ||
80876c20 | 921 | case ARG_CONFIRM_SPAWN: |
a5d87bf0 LP |
922 | r = optarg ? parse_boolean(optarg) : 1; |
923 | if (r < 0) { | |
924 | log_error("Failed to parse confirm spawn boolean %s.", optarg); | |
925 | return r; | |
926 | } | |
927 | arg_confirm_spawn = r; | |
80876c20 LP |
928 | break; |
929 | ||
9e58ff9c | 930 | case ARG_SHOW_STATUS: |
d450b6f2 ZJS |
931 | if (optarg) { |
932 | r = parse_show_status(optarg, &arg_show_status); | |
933 | if (r < 0) { | |
934 | log_error("Failed to parse show status boolean %s.", optarg); | |
935 | return r; | |
936 | } | |
937 | } else | |
938 | arg_show_status = SHOW_STATUS_YES; | |
6e98720f | 939 | break; |
a5d87bf0 | 940 | |
a16e1123 LP |
941 | case ARG_DESERIALIZE: { |
942 | int fd; | |
943 | FILE *f; | |
944 | ||
01e10de3 LP |
945 | r = safe_atoi(optarg, &fd); |
946 | if (r < 0 || fd < 0) { | |
a16e1123 | 947 | log_error("Failed to parse deserialize option %s.", optarg); |
b9e74c39 | 948 | return -EINVAL; |
a16e1123 LP |
949 | } |
950 | ||
b9e74c39 | 951 | (void) fd_cloexec(fd, true); |
01e10de3 LP |
952 | |
953 | f = fdopen(fd, "r"); | |
4a62c710 MS |
954 | if (!f) |
955 | return log_error_errno(errno, "Failed to open serialization fd: %m"); | |
a16e1123 | 956 | |
74ca738f | 957 | safe_fclose(arg_serialization); |
d3b1c508 | 958 | arg_serialization = f; |
a16e1123 LP |
959 | |
960 | break; | |
961 | } | |
962 | ||
2660882b | 963 | case ARG_SWITCHED_ROOT: |
bf4df7c3 | 964 | arg_switched_root = true; |
d03bc1b8 HH |
965 | break; |
966 | ||
f170852a | 967 | case 'h': |
fa0f4d8a | 968 | arg_action = ACTION_HELP; |
b87c2aa6 ZJS |
969 | if (arg_no_pager < 0) |
970 | arg_no_pager = true; | |
f170852a LP |
971 | break; |
972 | ||
1d2e23ab LP |
973 | case 'D': |
974 | log_set_max_level(LOG_DEBUG); | |
975 | break; | |
976 | ||
099663ff LP |
977 | case 'b': |
978 | case 's': | |
979 | case 'z': | |
980 | /* Just to eat away the sysvinit kernel | |
981 | * cmdline args without getopt() error | |
982 | * messages that we'll parse in | |
983 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 984 | |
099663ff | 985 | case '?': |
601185b4 | 986 | if (getpid() != 1) |
099663ff | 987 | return -EINVAL; |
601185b4 ZJS |
988 | else |
989 | return 0; | |
099663ff | 990 | |
601185b4 ZJS |
991 | default: |
992 | assert_not_reached("Unhandled option code."); | |
f170852a LP |
993 | } |
994 | ||
d821e6d6 LP |
995 | if (optind < argc && getpid() != 1) { |
996 | /* Hmm, when we aren't run as init system | |
997 | * let's complain about excess arguments */ | |
998 | ||
999 | log_error("Excess arguments."); | |
1000 | return -EINVAL; | |
1001 | } | |
1002 | ||
f170852a LP |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static int help(void) { | |
1007 | ||
2e33c433 | 1008 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 1009 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 1010 | " -h --help Show this help\n" |
e537352b | 1011 | " --test Determine startup sequence, dump it and exit\n" |
b87c2aa6 | 1012 | " --no-pager Do not pipe output into a pager\n" |
80876c20 | 1013 | " --dump-configuration-items Dump understood unit configuration items\n" |
9e58ff9c | 1014 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 1015 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 1016 | " --user Run a user instance\n" |
b9e74c39 LP |
1017 | " --dump-core[=BOOL] Dump core on crash\n" |
1018 | " --crash-vt=NR Change to specified VT on crash\n" | |
1019 | " --crash-reboot[=BOOL] Reboot on crash\n" | |
1020 | " --crash-shell[=BOOL] Run shell on crash\n" | |
1021 | " --confirm-spawn[=BOOL] Ask for confirmation when spawning processes\n" | |
1022 | " --show-status[=BOOL] Show status updates on the console during bootup\n" | |
c1dc6153 | 1023 | " --log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)\n" |
9e58ff9c | 1024 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
b9e74c39 LP |
1025 | " --log-color[=BOOL] Highlight important log messages\n" |
1026 | " --log-location[=BOOL] Include code location in log messages\n" | |
0a494f1f LP |
1027 | " --default-standard-output= Set default standard output for services\n" |
1028 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 1029 | program_invocation_short_name); |
f170852a LP |
1030 | |
1031 | return 0; | |
1032 | } | |
1033 | ||
b3680f49 | 1034 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { |
48b90859 LP |
1035 | _cleanup_fdset_free_ FDSet *fds = NULL; |
1036 | _cleanup_fclose_ FILE *f = NULL; | |
a16e1123 LP |
1037 | int r; |
1038 | ||
1039 | assert(m); | |
1040 | assert(_f); | |
1041 | assert(_fds); | |
1042 | ||
6b78f9b4 | 1043 | r = manager_open_serialization(m, &f); |
48b90859 LP |
1044 | if (r < 0) |
1045 | return log_error_errno(r, "Failed to create serialization file: %m"); | |
a16e1123 | 1046 | |
71445ae7 LP |
1047 | /* Make sure nothing is really destructed when we shut down */ |
1048 | m->n_reloading ++; | |
718db961 | 1049 | bus_manager_send_reloading(m, true); |
71445ae7 | 1050 | |
6b78f9b4 | 1051 | fds = fdset_new(); |
48b90859 LP |
1052 | if (!fds) |
1053 | return log_oom(); | |
a16e1123 | 1054 | |
b3680f49 | 1055 | r = manager_serialize(m, f, fds, switching_root); |
48b90859 LP |
1056 | if (r < 0) |
1057 | return log_error_errno(r, "Failed to serialize state: %m"); | |
a16e1123 | 1058 | |
48b90859 LP |
1059 | if (fseeko(f, 0, SEEK_SET) == (off_t) -1) |
1060 | return log_error_errno(errno, "Failed to rewind serialization fd: %m"); | |
a16e1123 | 1061 | |
6b78f9b4 | 1062 | r = fd_cloexec(fileno(f), false); |
48b90859 LP |
1063 | if (r < 0) |
1064 | return log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m"); | |
a16e1123 | 1065 | |
6b78f9b4 | 1066 | r = fdset_cloexec(fds, false); |
48b90859 LP |
1067 | if (r < 0) |
1068 | return log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m"); | |
a16e1123 LP |
1069 | |
1070 | *_f = f; | |
1071 | *_fds = fds; | |
1072 | ||
48b90859 LP |
1073 | f = NULL; |
1074 | fds = NULL; | |
a16e1123 | 1075 | |
48b90859 | 1076 | return 0; |
a16e1123 LP |
1077 | } |
1078 | ||
4096d6f5 LP |
1079 | static int bump_rlimit_nofile(struct rlimit *saved_rlimit) { |
1080 | struct rlimit nl; | |
1081 | int r; | |
1082 | ||
1083 | assert(saved_rlimit); | |
1084 | ||
1085 | /* Save the original RLIMIT_NOFILE so that we can reset it | |
1086 | * later when transitioning from the initrd to the main | |
1087 | * systemd or suchlike. */ | |
4a62c710 MS |
1088 | if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) |
1089 | return log_error_errno(errno, "Reading RLIMIT_NOFILE failed: %m"); | |
4096d6f5 LP |
1090 | |
1091 | /* Make sure forked processes get the default kernel setting */ | |
1092 | if (!arg_default_rlimit[RLIMIT_NOFILE]) { | |
1093 | struct rlimit *rl; | |
1094 | ||
1095 | rl = newdup(struct rlimit, saved_rlimit, 1); | |
1096 | if (!rl) | |
1097 | return log_oom(); | |
1098 | ||
1099 | arg_default_rlimit[RLIMIT_NOFILE] = rl; | |
1100 | } | |
1101 | ||
1102 | /* Bump up the resource limit for ourselves substantially */ | |
1103 | nl.rlim_cur = nl.rlim_max = 64*1024; | |
1104 | r = setrlimit_closest(RLIMIT_NOFILE, &nl); | |
23bbb0de MS |
1105 | if (r < 0) |
1106 | return log_error_errno(r, "Setting RLIMIT_NOFILE failed: %m"); | |
4096d6f5 LP |
1107 | |
1108 | return 0; | |
1109 | } | |
1110 | ||
80758717 | 1111 | static void test_usr(void) { |
80758717 | 1112 | |
ed1c99fc | 1113 | /* Check that /usr is not a separate fs */ |
80758717 | 1114 | |
871c44a7 LP |
1115 | if (dir_is_empty("/usr") <= 0) |
1116 | return; | |
1117 | ||
8b173b5e | 1118 | log_warning("/usr appears to be on its own filesystem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1119 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1120 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1121 | } | |
1122 | ||
a07fdfa3 LP |
1123 | static int initialize_join_controllers(void) { |
1124 | /* By default, mount "cpu" + "cpuacct" together, and "net_cls" | |
1125 | * + "net_prio". We'd like to add "cpuset" to the mix, but | |
f131770b | 1126 | * "cpuset" doesn't really work for groups with no initialized |
a07fdfa3 LP |
1127 | * attributes. */ |
1128 | ||
1129 | arg_join_controllers = new(char**, 3); | |
1130 | if (!arg_join_controllers) | |
1131 | return -ENOMEM; | |
1132 | ||
1133 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
fe382237 LP |
1134 | if (!arg_join_controllers[0]) |
1135 | goto oom; | |
a6b26d90 | 1136 | |
fe382237 LP |
1137 | arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL); |
1138 | if (!arg_join_controllers[1]) | |
1139 | goto oom; | |
a07fdfa3 | 1140 | |
fe382237 | 1141 | arg_join_controllers[2] = NULL; |
a07fdfa3 | 1142 | return 0; |
fe382237 LP |
1143 | |
1144 | oom: | |
1145 | arg_join_controllers = strv_free_free(arg_join_controllers); | |
1146 | return -ENOMEM; | |
a07fdfa3 LP |
1147 | } |
1148 | ||
d3b1c508 LP |
1149 | static int enforce_syscall_archs(Set *archs) { |
1150 | #ifdef HAVE_SECCOMP | |
1151 | scmp_filter_ctx *seccomp; | |
1152 | Iterator i; | |
1153 | void *id; | |
1154 | int r; | |
1155 | ||
1156 | seccomp = seccomp_init(SCMP_ACT_ALLOW); | |
1157 | if (!seccomp) | |
1158 | return log_oom(); | |
1159 | ||
1160 | SET_FOREACH(id, arg_syscall_archs, i) { | |
1161 | r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1); | |
1162 | if (r == -EEXIST) | |
1163 | continue; | |
1164 | if (r < 0) { | |
da927ba9 | 1165 | log_error_errno(r, "Failed to add architecture to seccomp: %m"); |
d3b1c508 LP |
1166 | goto finish; |
1167 | } | |
1168 | } | |
1169 | ||
8a8bf3c0 LP |
1170 | r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0); |
1171 | if (r < 0) { | |
da927ba9 | 1172 | log_error_errno(r, "Failed to unset NO_NEW_PRIVS: %m"); |
8a8bf3c0 LP |
1173 | goto finish; |
1174 | } | |
1175 | ||
d3b1c508 LP |
1176 | r = seccomp_load(seccomp); |
1177 | if (r < 0) | |
da927ba9 | 1178 | log_error_errno(r, "Failed to add install architecture seccomp: %m"); |
d3b1c508 LP |
1179 | |
1180 | finish: | |
1181 | seccomp_release(seccomp); | |
1182 | return r; | |
1183 | #else | |
1184 | return 0; | |
1185 | #endif | |
1186 | } | |
1187 | ||
b6e2f329 LP |
1188 | static int status_welcome(void) { |
1189 | _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL; | |
1190 | int r; | |
1191 | ||
1192 | r = parse_env_file("/etc/os-release", NEWLINE, | |
1193 | "PRETTY_NAME", &pretty_name, | |
1194 | "ANSI_COLOR", &ansi_color, | |
1195 | NULL); | |
ece174c5 | 1196 | if (r == -ENOENT) |
5ae4d543 LP |
1197 | r = parse_env_file("/usr/lib/os-release", NEWLINE, |
1198 | "PRETTY_NAME", &pretty_name, | |
1199 | "ANSI_COLOR", &ansi_color, | |
1200 | NULL); | |
b6e2f329 LP |
1201 | |
1202 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 1203 | log_warning_errno(r, "Failed to read os-release file: %m"); |
b6e2f329 LP |
1204 | |
1205 | return status_printf(NULL, false, false, | |
1206 | "\nWelcome to \x1B[%sm%s\x1B[0m!\n", | |
1207 | isempty(ansi_color) ? "1" : ansi_color, | |
1208 | isempty(pretty_name) ? "Linux" : pretty_name); | |
1209 | } | |
1210 | ||
fdd25311 LP |
1211 | static int write_container_id(void) { |
1212 | const char *c; | |
19854865 | 1213 | int r; |
fdd25311 LP |
1214 | |
1215 | c = getenv("container"); | |
1216 | if (isempty(c)) | |
1217 | return 0; | |
1218 | ||
19854865 LP |
1219 | r = write_string_file("/run/systemd/container", c, WRITE_STRING_FILE_CREATE); |
1220 | if (r < 0) | |
f1f849b0 | 1221 | return log_warning_errno(r, "Failed to write /run/systemd/container, ignoring: %m"); |
19854865 LP |
1222 | |
1223 | return 1; | |
1224 | } | |
1225 | ||
1226 | static int bump_unix_max_dgram_qlen(void) { | |
1227 | _cleanup_free_ char *qlen = NULL; | |
1228 | unsigned long v; | |
1229 | int r; | |
1230 | ||
1231 | /* Let's bump the net.unix.max_dgram_qlen sysctl. The kernel | |
1232 | * default of 16 is simply too low. We set the value really | |
1233 | * really early during boot, so that it is actually applied to | |
1234 | * all our sockets, including the $NOTIFY_SOCKET one. */ | |
1235 | ||
1236 | r = read_one_line_file("/proc/sys/net/unix/max_dgram_qlen", &qlen); | |
1237 | if (r < 0) | |
1238 | return log_warning_errno(r, "Failed to read AF_UNIX datagram queue length, ignoring: %m"); | |
1239 | ||
1240 | r = safe_atolu(qlen, &v); | |
1241 | if (r < 0) | |
1242 | return log_warning_errno(r, "Failed to parse AF_UNIX datagram queue length, ignoring: %m"); | |
1243 | ||
1244 | if (v >= DEFAULT_UNIX_MAX_DGRAM_QLEN) | |
1245 | return 0; | |
1246 | ||
1247 | qlen = mfree(qlen); | |
1248 | if (asprintf(&qlen, "%lu\n", DEFAULT_UNIX_MAX_DGRAM_QLEN) < 0) | |
1249 | return log_oom(); | |
1250 | ||
1251 | r = write_string_file("/proc/sys/net/unix/max_dgram_qlen", qlen, 0); | |
1252 | if (r < 0) | |
1253 | return log_full_errno(IN_SET(r, -EROFS, -EPERM, -EACCES) ? LOG_DEBUG : LOG_WARNING, r, | |
1254 | "Failed to bump AF_UNIX datagram queue length, ignoring: %m"); | |
1255 | ||
1256 | return 1; | |
fdd25311 LP |
1257 | } |
1258 | ||
60918275 LP |
1259 | int main(int argc, char *argv[]) { |
1260 | Manager *m = NULL; | |
22f4096c | 1261 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1262 | usec_t before_startup, after_startup; |
1263 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1264 | FDSet *fds = NULL; |
1265 | bool reexecute = false; | |
b9080b03 | 1266 | const char *shutdown_verb = NULL; |
86caf095 LP |
1267 | dual_timestamp initrd_timestamp = DUAL_TIMESTAMP_NULL; |
1268 | dual_timestamp userspace_timestamp = DUAL_TIMESTAMP_NULL; | |
1269 | dual_timestamp kernel_timestamp = DUAL_TIMESTAMP_NULL; | |
1270 | dual_timestamp security_start_timestamp = DUAL_TIMESTAMP_NULL; | |
1271 | dual_timestamp security_finish_timestamp = DUAL_TIMESTAMP_NULL; | |
5d6b1584 | 1272 | static char systemd[] = "systemd"; |
2660882b | 1273 | bool skip_setup = false; |
d3b1c508 | 1274 | unsigned j; |
0b3325e7 | 1275 | bool loaded_policy = false; |
e96d6be7 | 1276 | bool arm_reboot_watchdog = false; |
bf4df7c3 | 1277 | bool queue_default_job = false; |
5f5c2f38 | 1278 | bool empty_etc = false; |
41669317 | 1279 | char *switch_root_dir = NULL, *switch_root_init = NULL; |
86caf095 | 1280 | struct rlimit saved_rlimit_nofile = RLIMIT_MAKE_CONST(0); |
cb6531be | 1281 | const char *error_message = NULL; |
27b14a22 | 1282 | |
058dc6f3 | 1283 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1284 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1285 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1286 | * calling init as a user is identical to telinit. */ |
1287 | ||
1288 | errno = -ENOENT; | |
1289 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
56f64d95 | 1290 | log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); |
2cb1a60d LP |
1291 | return 1; |
1292 | } | |
058dc6f3 | 1293 | #endif |
2cb1a60d | 1294 | |
c3a170f3 HH |
1295 | dual_timestamp_from_monotonic(&kernel_timestamp, 0); |
1296 | dual_timestamp_get(&userspace_timestamp); | |
1297 | ||
0b3325e7 LP |
1298 | /* Determine if this is a reexecution or normal bootup. We do |
1299 | * the full command line parsing much later, so let's just | |
1300 | * have a quick peek here. */ | |
db813c2a LP |
1301 | if (strv_find(argv+1, "--deserialize")) |
1302 | skip_setup = true; | |
0b3325e7 | 1303 | |
2660882b LP |
1304 | /* If we have switched root, do all the special setup |
1305 | * things */ | |
db813c2a LP |
1306 | if (strv_find(argv+1, "--switched-root")) |
1307 | skip_setup = false; | |
d03bc1b8 | 1308 | |
f3b6a3ed LP |
1309 | /* If we get started via the /sbin/init symlink then we are |
1310 | called 'init'. After a subsequent reexecution we are then | |
1311 | called 'systemd'. That is confusing, hence let's call us | |
1312 | systemd right-away. */ | |
f3b6a3ed LP |
1313 | program_invocation_short_name = systemd; |
1314 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1315 | |
9a0e6896 LP |
1316 | saved_argv = argv; |
1317 | saved_argc = argc; | |
f3b6a3ed | 1318 | |
2cc59dbf | 1319 | log_show_color(isatty(STDERR_FILENO) > 0); |
c1dc6153 | 1320 | log_set_upgrade_syslog_to_journal(true); |
bbe63281 | 1321 | |
90dc8c2e MG |
1322 | /* Disable the umask logic */ |
1323 | if (getpid() == 1) | |
1324 | umask(0); | |
1325 | ||
75f86906 | 1326 | if (getpid() == 1 && detect_container() <= 0) { |
4f8d551f | 1327 | |
a866073d | 1328 | /* Running outside of a container as PID 1 */ |
b2c23da8 | 1329 | arg_running_as = MANAGER_SYSTEM; |
a866073d LP |
1330 | make_null_stdio(); |
1331 | log_set_target(LOG_TARGET_KMSG); | |
1332 | log_open(); | |
1333 | ||
21bf2ab0 | 1334 | if (in_initrd()) |
c3a170f3 | 1335 | initrd_timestamp = userspace_timestamp; |
c3ba6250 | 1336 | |
2660882b | 1337 | if (!skip_setup) { |
8f838d8a | 1338 | mount_setup_early(); |
c2e0d600 | 1339 | dual_timestamp_get(&security_start_timestamp); |
cb6531be ZJS |
1340 | if (mac_selinux_setup(&loaded_policy) < 0) { |
1341 | error_message = "Failed to load SELinux policy"; | |
0b3325e7 | 1342 | goto finish; |
cb6531be ZJS |
1343 | } else if (ima_setup() < 0) { |
1344 | error_message = "Failed to load IMA policy"; | |
81611586 | 1345 | goto finish; |
cb6531be ZJS |
1346 | } else if (mac_smack_setup(&loaded_policy) < 0) { |
1347 | error_message = "Failed to load SMACK policy"; | |
ffbd2c4d | 1348 | goto finish; |
cb6531be | 1349 | } |
c2e0d600 | 1350 | dual_timestamp_get(&security_finish_timestamp); |
81611586 | 1351 | } |
0b3325e7 | 1352 | |
cb6531be ZJS |
1353 | if (mac_selinux_init(NULL) < 0) { |
1354 | error_message = "Failed to initialize SELinux policy"; | |
0ff4cdd9 | 1355 | goto finish; |
cb6531be | 1356 | } |
7948c4df | 1357 | |
72edcff5 | 1358 | if (!skip_setup) { |
24efb112 | 1359 | if (clock_is_localtime() > 0) { |
0b3325e7 | 1360 | int min; |
7948c4df | 1361 | |
c264aeab KS |
1362 | /* |
1363 | * The very first call of settimeofday() also does a time warp in the kernel. | |
1364 | * | |
1365 | * In the rtc-in-local time mode, we set the kernel's timezone, and rely on | |
1366 | * external tools to take care of maintaining the RTC and do all adjustments. | |
1367 | * This matches the behavior of Windows, which leaves the RTC alone if the | |
1368 | * registry tells that the RTC runs in UTC. | |
1369 | */ | |
24efb112 | 1370 | r = clock_set_timezone(&min); |
0b3325e7 | 1371 | if (r < 0) |
da927ba9 | 1372 | log_error_errno(r, "Failed to apply local time delta, ignoring: %m"); |
0b3325e7 LP |
1373 | else |
1374 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
19e65613 KS |
1375 | } else if (!in_initrd()) { |
1376 | /* | |
c264aeab | 1377 | * Do a dummy very first call to seal the kernel's time warp magic. |
19e65613 KS |
1378 | * |
1379 | * Do not call this this from inside the initrd. The initrd might not | |
1380 | * carry /etc/adjtime with LOCAL, but the real system could be set up | |
1381 | * that way. In such case, we need to delay the time-warp or the sealing | |
1382 | * until we reach the real system. | |
c264aeab KS |
1383 | * |
1384 | * Do no set the kernel's timezone. The concept of local time cannot | |
1385 | * be supported reliably, the time will jump or be incorrect at every daylight | |
1386 | * saving time change. All kernel local time concepts will be treated | |
1387 | * as UTC that way. | |
19e65613 | 1388 | */ |
c264aeab | 1389 | clock_reset_timewarp(); |
72edcff5 KS |
1390 | } |
1391 | } | |
a866073d LP |
1392 | |
1393 | /* Set the default for later on, but don't actually | |
1394 | * open the logs like this for now. Note that if we | |
1395 | * are transitioning from the initrd there might still | |
1396 | * be journal fd open, and we shouldn't attempt | |
1397 | * opening that before we parsed /proc/cmdline which | |
1398 | * might redirect output elsewhere. */ | |
1399 | log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); | |
1400 | ||
1401 | } else if (getpid() == 1) { | |
a866073d | 1402 | /* Running inside a container, as PID 1 */ |
b2c23da8 | 1403 | arg_running_as = MANAGER_SYSTEM; |
a866073d | 1404 | log_set_target(LOG_TARGET_CONSOLE); |
99f09825 | 1405 | log_close_console(); /* force reopen of /dev/console */ |
a866073d LP |
1406 | log_open(); |
1407 | ||
1408 | /* For the later on, see above... */ | |
1409 | log_set_target(LOG_TARGET_JOURNAL); | |
1410 | ||
c3a170f3 HH |
1411 | /* clear the kernel timestamp, |
1412 | * because we are in a container */ | |
1413 | kernel_timestamp.monotonic = 0ULL; | |
1414 | kernel_timestamp.realtime = 0ULL; | |
a866073d | 1415 | |
c3a170f3 | 1416 | } else { |
a866073d | 1417 | /* Running as user instance */ |
b2c23da8 | 1418 | arg_running_as = MANAGER_USER; |
eeecf6e6 | 1419 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1420 | log_open(); |
c3a170f3 HH |
1421 | |
1422 | /* clear the kernel timestamp, | |
1423 | * because we are not PID 1 */ | |
6513d561 | 1424 | kernel_timestamp = DUAL_TIMESTAMP_NULL; |
bbe63281 | 1425 | } |
a5dab5ce | 1426 | |
0c85a4f3 | 1427 | /* Initialize default unit */ |
e6e242ad | 1428 | r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET); |
6afa301b | 1429 | if (r < 0) { |
da927ba9 | 1430 | log_emergency_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET); |
cb6531be | 1431 | error_message = "Failed to set default unit"; |
f170852a | 1432 | goto finish; |
14212119 | 1433 | } |
60918275 | 1434 | |
a07fdfa3 | 1435 | r = initialize_join_controllers(); |
cb6531be | 1436 | if (r < 0) { |
ff9b60f3 | 1437 | error_message = "Failed to initialize cgroup controllers"; |
0c85a4f3 | 1438 | goto finish; |
cb6531be | 1439 | } |
0c85a4f3 | 1440 | |
f170852a LP |
1441 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1442 | * /proc/$PID/fd is available. */ | |
c1dae1b3 | 1443 | if (getpid() == 1) { |
f84f9974 LP |
1444 | |
1445 | /* Load the kernel modules early, so that we kdbus.ko is loaded before kdbusfs shall be mounted */ | |
2e75e2a8 DM |
1446 | if (!skip_setup) |
1447 | kmod_setup(); | |
2e75e2a8 | 1448 | |
0c85a4f3 | 1449 | r = mount_setup(loaded_policy); |
cb6531be ZJS |
1450 | if (r < 0) { |
1451 | error_message = "Failed to mount API filesystems"; | |
8efe3c01 | 1452 | goto finish; |
cb6531be | 1453 | } |
0c85a4f3 | 1454 | } |
4ade7963 LP |
1455 | |
1456 | /* Reset all signal handlers. */ | |
ce30c8dc LP |
1457 | (void) reset_all_signal_handlers(); |
1458 | (void) ignore_signals(SIGNALS_IGNORE, -1); | |
078e4539 | 1459 | |
cb6531be ZJS |
1460 | if (parse_config_file() < 0) { |
1461 | error_message = "Failed to parse config file"; | |
487393e9 | 1462 | goto finish; |
cb6531be | 1463 | } |
487393e9 | 1464 | |
b2c23da8 | 1465 | if (arg_running_as == MANAGER_SYSTEM) { |
b5884878 LP |
1466 | r = parse_proc_cmdline(parse_proc_cmdline_item); |
1467 | if (r < 0) | |
da927ba9 | 1468 | log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); |
b5884878 | 1469 | } |
f170852a | 1470 | |
1de1c9c3 LP |
1471 | /* Note that this also parses bits from the kernel command |
1472 | * line, including "debug". */ | |
f170852a LP |
1473 | log_parse_environment(); |
1474 | ||
cb6531be ZJS |
1475 | if (parse_argv(argc, argv) < 0) { |
1476 | error_message = "Failed to parse commandline arguments"; | |
f170852a | 1477 | goto finish; |
cb6531be | 1478 | } |
f170852a | 1479 | |
6bae23a0 TB |
1480 | if (arg_action == ACTION_TEST && |
1481 | geteuid() == 0) { | |
b5c6cf87 LP |
1482 | log_error("Don't run test mode as root."); |
1483 | goto finish; | |
1484 | } | |
1485 | ||
b2c23da8 | 1486 | if (arg_running_as == MANAGER_USER && |
6bae23a0 TB |
1487 | arg_action == ACTION_RUN && |
1488 | sd_booted() <= 0) { | |
1489 | log_error("Trying to run as user instance, but the system has not been booted with systemd."); | |
1490 | goto finish; | |
1491 | } | |
1492 | ||
b2c23da8 | 1493 | if (arg_running_as == MANAGER_SYSTEM && |
fe783b03 LP |
1494 | arg_action == ACTION_RUN && |
1495 | running_in_chroot() > 0) { | |
1496 | log_error("Cannot be run in a chroot() environment."); | |
1497 | goto finish; | |
1498 | } | |
1499 | ||
0d8c31ff ZJS |
1500 | if (arg_action == ACTION_TEST) |
1501 | skip_setup = true; | |
1502 | ||
b87c2aa6 ZJS |
1503 | pager_open_if_enabled(); |
1504 | ||
fa0f4d8a | 1505 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1506 | retval = help(); |
1507 | goto finish; | |
9ba0bc4e ZJS |
1508 | } else if (arg_action == ACTION_VERSION) { |
1509 | retval = version(); | |
1510 | goto finish; | |
fa0f4d8a | 1511 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1512 | unit_dump_config_items(stdout); |
22f4096c | 1513 | retval = EXIT_SUCCESS; |
e537352b | 1514 | goto finish; |
fa0f4d8a | 1515 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1516 | retval = EXIT_SUCCESS; |
4288f619 | 1517 | goto finish; |
f170852a LP |
1518 | } |
1519 | ||
b2c23da8 | 1520 | if (arg_running_as == MANAGER_USER && |
8be28fb1 KS |
1521 | !getenv("XDG_RUNTIME_DIR")) { |
1522 | log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set."); | |
1523 | goto finish; | |
1524 | } | |
1525 | ||
fa0f4d8a | 1526 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1527 | |
871e5809 LP |
1528 | /* Close logging fds, in order not to confuse fdset below */ |
1529 | log_close(); | |
1530 | ||
a16e1123 | 1531 | /* Remember open file descriptors for later deserialization */ |
01e10de3 LP |
1532 | r = fdset_new_fill(&fds); |
1533 | if (r < 0) { | |
da927ba9 | 1534 | log_emergency_errno(r, "Failed to allocate fd set: %m"); |
cb6531be | 1535 | error_message = "Failed to allocate fd set"; |
01e10de3 LP |
1536 | goto finish; |
1537 | } else | |
1538 | fdset_cloexec(fds, true); | |
a16e1123 | 1539 | |
d3b1c508 LP |
1540 | if (arg_serialization) |
1541 | assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0); | |
a16e1123 | 1542 | |
b2c23da8 | 1543 | if (arg_running_as == MANAGER_SYSTEM) |
80876c20 LP |
1544 | /* Become a session leader if we aren't one yet. */ |
1545 | setsid(); | |
4ade7963 | 1546 | |
befb5b6a | 1547 | /* Move out of the way, so that we won't block unmounts */ |
d250afe7 | 1548 | assert_se(chdir("/") == 0); |
befb5b6a | 1549 | |
2146621b LP |
1550 | /* Reset the console, but only if this is really init and we |
1551 | * are freshly booted */ | |
b2c23da8 | 1552 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
56d96fc0 LP |
1553 | |
1554 | /* If we are init, we connect stdin/stdout/stderr to | |
1555 | * /dev/null and make sure we don't have a controlling | |
1556 | * tty. */ | |
1557 | release_terminal(); | |
1558 | ||
1559 | if (getpid() == 1 && !skip_setup) | |
1560 | console_setup(); | |
1561 | } | |
4ade7963 | 1562 | |
18149b9f | 1563 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1564 | log_open(); |
4ade7963 | 1565 | |
b6e2f329 LP |
1566 | if (arg_show_status == _SHOW_STATUS_UNSET) |
1567 | arg_show_status = SHOW_STATUS_YES; | |
1568 | ||
5373d602 LP |
1569 | /* Make sure we leave a core dump without panicing the |
1570 | * kernel. */ | |
ab422445 | 1571 | if (getpid() == 1) { |
4fc935ca | 1572 | install_crash_handler(); |
97c4f35c | 1573 | |
0c85a4f3 LP |
1574 | r = mount_cgroup_controllers(arg_join_controllers); |
1575 | if (r < 0) | |
1576 | goto finish; | |
1577 | } | |
1578 | ||
b2c23da8 | 1579 | if (arg_running_as == MANAGER_SYSTEM) { |
75f86906 | 1580 | int v; |
c20f5ac7 | 1581 | |
0d8c31ff ZJS |
1582 | log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")", |
1583 | arg_action == ACTION_TEST ? "test " : "" ); | |
c20f5ac7 | 1584 | |
75f86906 LP |
1585 | v = detect_virtualization(); |
1586 | if (v > 0) | |
1587 | log_info("Detected virtualization %s.", virtualization_to_string(v)); | |
c20f5ac7 | 1588 | |
fdd25311 LP |
1589 | write_container_id(); |
1590 | ||
d3f86679 | 1591 | log_info("Detected architecture %s.", architecture_to_string(uname_architecture())); |
d9d93745 | 1592 | |
26a1efdf LP |
1593 | if (in_initrd()) |
1594 | log_info("Running in initial RAM disk."); | |
1595 | ||
3408ba01 LP |
1596 | /* Let's check whether /etc is already populated. We |
1597 | * don't actually really check for that, but use | |
1598 | * /etc/machine-id as flag file. This allows container | |
1599 | * managers and installers to provision a couple of | |
1600 | * files already. If the container manager wants to | |
1601 | * provision the machine ID itself it should pass | |
ee33e53a | 1602 | * $container_uuid to PID 1. */ |
3408ba01 | 1603 | |
baa1bdf7 | 1604 | empty_etc = access("/etc/machine-id", F_OK) < 0; |
5f5c2f38 LP |
1605 | if (empty_etc) |
1606 | log_info("Running with unpopulated /etc."); | |
d8160f21 | 1607 | } else { |
1f97091d LP |
1608 | _cleanup_free_ char *t; |
1609 | ||
1610 | t = uid_to_name(getuid()); | |
0d8c31ff ZJS |
1611 | log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", |
1612 | arg_action == ACTION_TEST ? " test" : "", getuid(), t); | |
d8160f21 | 1613 | } |
a5dab5ce | 1614 | |
b2c23da8 | 1615 | if (arg_running_as == MANAGER_SYSTEM && !skip_setup) { |
031886ed | 1616 | if (arg_show_status > 0) |
888c6216 LP |
1617 | status_welcome(); |
1618 | ||
888c6216 | 1619 | hostname_setup(); |
489388fb | 1620 | machine_id_setup(NULL); |
888c6216 | 1621 | loopback_setup(); |
19854865 | 1622 | bump_unix_max_dgram_qlen(); |
490aed58 | 1623 | |
80758717 | 1624 | test_usr(); |
af5bc85d | 1625 | } |
302e8c4c | 1626 | |
b2c23da8 | 1627 | if (arg_running_as == MANAGER_SYSTEM && arg_runtime_watchdog > 0) |
e96d6be7 LP |
1628 | watchdog_set_timeout(&arg_runtime_watchdog); |
1629 | ||
3a43da28 | 1630 | if (arg_timer_slack_nsec != NSEC_INFINITY) |
aa0f64ac | 1631 | if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) |
56f64d95 | 1632 | log_error_errno(errno, "Failed to adjust timer slack: %m"); |
aa0f64ac | 1633 | |
ec8927ca | 1634 | if (arg_capability_bounding_set_drop) { |
31c885e9 | 1635 | r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop); |
ec8927ca | 1636 | if (r < 0) { |
da927ba9 | 1637 | log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m"); |
cb6531be | 1638 | error_message = "Failed to drop capability bounding set of usermode helpers"; |
ec8927ca LP |
1639 | goto finish; |
1640 | } | |
31c885e9 | 1641 | r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true); |
939b8f14 | 1642 | if (r < 0) { |
da927ba9 | 1643 | log_emergency_errno(r, "Failed to drop capability bounding set: %m"); |
cb6531be | 1644 | error_message = "Failed to drop capability bounding set"; |
939b8f14 LP |
1645 | goto finish; |
1646 | } | |
ec8927ca LP |
1647 | } |
1648 | ||
d3b1c508 LP |
1649 | if (arg_syscall_archs) { |
1650 | r = enforce_syscall_archs(arg_syscall_archs); | |
cb6531be ZJS |
1651 | if (r < 0) { |
1652 | error_message = "Failed to set syscall architectures"; | |
d3b1c508 | 1653 | goto finish; |
cb6531be | 1654 | } |
d3b1c508 LP |
1655 | } |
1656 | ||
61b9b203 | 1657 | if (arg_running_as == MANAGER_USER) |
d4447f4d | 1658 | /* Become reaper of our children */ |
61b9b203 | 1659 | if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) |
56f64d95 | 1660 | log_warning_errno(errno, "Failed to make us a subreaper: %m"); |
d4447f4d | 1661 | |
b2c23da8 | 1662 | if (arg_running_as == MANAGER_SYSTEM) { |
4096d6f5 LP |
1663 | bump_rlimit_nofile(&saved_rlimit_nofile); |
1664 | ||
5f5c2f38 | 1665 | if (empty_etc) { |
304b3079 | 1666 | r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_ENABLE_ONLY, false, NULL, 0); |
5f5c2f38 | 1667 | if (r < 0) |
da927ba9 | 1668 | log_warning_errno(r, "Failed to populate /etc with preset unit settings, ignoring: %m"); |
5f5c2f38 LP |
1669 | else |
1670 | log_info("Populated /etc with preset unit settings."); | |
1671 | } | |
1672 | } | |
1673 | ||
0d8c31ff | 1674 | r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m); |
e96d6be7 | 1675 | if (r < 0) { |
da927ba9 | 1676 | log_emergency_errno(r, "Failed to allocate manager object: %m"); |
cb6531be | 1677 | error_message = "Failed to allocate manager object"; |
60918275 LP |
1678 | goto finish; |
1679 | } | |
1680 | ||
9e58ff9c | 1681 | m->confirm_spawn = arg_confirm_spawn; |
e96d6be7 LP |
1682 | m->runtime_watchdog = arg_runtime_watchdog; |
1683 | m->shutdown_watchdog = arg_shutdown_watchdog; | |
c3a170f3 HH |
1684 | m->userspace_timestamp = userspace_timestamp; |
1685 | m->kernel_timestamp = kernel_timestamp; | |
c3a170f3 | 1686 | m->initrd_timestamp = initrd_timestamp; |
c2e0d600 TA |
1687 | m->security_start_timestamp = security_start_timestamp; |
1688 | m->security_finish_timestamp = security_finish_timestamp; | |
9e58ff9c | 1689 | |
06af2a04 | 1690 | manager_set_defaults(m); |
27d340c7 | 1691 | manager_set_show_status(m, arg_show_status); |
e2680723 | 1692 | manager_set_first_boot(m, empty_etc); |
27d340c7 | 1693 | |
bf4df7c3 | 1694 | /* Remember whether we should queue the default job */ |
d3b1c508 | 1695 | queue_default_job = !arg_serialization || arg_switched_root; |
bf4df7c3 | 1696 | |
9d76d730 LP |
1697 | before_startup = now(CLOCK_MONOTONIC); |
1698 | ||
d3b1c508 | 1699 | r = manager_startup(m, arg_serialization, fds); |
e96d6be7 | 1700 | if (r < 0) |
da927ba9 | 1701 | log_error_errno(r, "Failed to fully start up daemon: %m"); |
a16e1123 | 1702 | |
bf4df7c3 LP |
1703 | /* This will close all file descriptors that were opened, but |
1704 | * not claimed by any unit. */ | |
2feceb5e | 1705 | fds = fdset_free(fds); |
f50e0a01 | 1706 | |
74ca738f | 1707 | arg_serialization = safe_fclose(arg_serialization); |
bf4df7c3 LP |
1708 | |
1709 | if (queue_default_job) { | |
718db961 | 1710 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1c27d3f3 | 1711 | Unit *target = NULL; |
bacbccb7 | 1712 | Job *default_unit_job; |
398ef8ba | 1713 | |
fa0f4d8a | 1714 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1715 | |
e96d6be7 | 1716 | r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); |
718db961 LP |
1717 | if (r < 0) |
1718 | log_error("Failed to load default target: %s", bus_error_message(&error, r)); | |
1719 | else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) | |
c33b3297 | 1720 | log_error_errno(target->load_error, "Failed to load default target: %m"); |
ac155bb8 | 1721 | else if (target->load_state == UNIT_MASKED) |
6daf4f90 | 1722 | log_error("Default target masked."); |
27b14a22 | 1723 | |
ac155bb8 | 1724 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1725 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1726 | |
e96d6be7 LP |
1727 | r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); |
1728 | if (r < 0) { | |
4104970e | 1729 | log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r)); |
cb6531be | 1730 | error_message = "Failed to load rescue target"; |
a16e1123 | 1731 | goto finish; |
11ddb6f4 | 1732 | } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) { |
c33b3297 | 1733 | log_emergency_errno(target->load_error, "Failed to load rescue target: %m"); |
cb6531be | 1734 | error_message = "Failed to load rescue target"; |
1c27d3f3 | 1735 | goto finish; |
ac155bb8 | 1736 | } else if (target->load_state == UNIT_MASKED) { |
4104970e | 1737 | log_emergency("Rescue target masked."); |
cb6531be | 1738 | error_message = "Rescue target masked"; |
00dc5d76 | 1739 | goto finish; |
a16e1123 LP |
1740 | } |
1741 | } | |
37d88da7 | 1742 | |
ac155bb8 | 1743 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1744 | |
fa0f4d8a | 1745 | if (arg_action == ACTION_TEST) { |
40d50879 | 1746 | printf("-> By units:\n"); |
a16e1123 LP |
1747 | manager_dump_units(m, stdout, "\t"); |
1748 | } | |
1749 | ||
4bd29fe5 | 1750 | r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, &error, &default_unit_job); |
ab17a050 | 1751 | if (r == -EPERM) { |
718db961 | 1752 | log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r)); |
ab17a050 | 1753 | |
5022ce71 LP |
1754 | sd_bus_error_free(&error); |
1755 | ||
4bd29fe5 | 1756 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, &error, &default_unit_job); |
ab17a050 | 1757 | if (r < 0) { |
4104970e | 1758 | log_emergency("Failed to start default target: %s", bus_error_message(&error, r)); |
cb6531be | 1759 | error_message = "Failed to start default target"; |
ab17a050 LP |
1760 | goto finish; |
1761 | } | |
1762 | } else if (r < 0) { | |
4104970e | 1763 | log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r)); |
cb6531be | 1764 | error_message = "Failed to isolate default target"; |
37d88da7 LP |
1765 | goto finish; |
1766 | } | |
ab17a050 | 1767 | |
bacbccb7 | 1768 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1769 | |
07672f49 LP |
1770 | after_startup = now(CLOCK_MONOTONIC); |
1771 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1772 | "Loaded units and determined initial transaction in %s.", | |
fdb14b7e | 1773 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC)); |
07672f49 | 1774 | |
fa0f4d8a | 1775 | if (arg_action == ACTION_TEST) { |
40d50879 | 1776 | printf("-> By jobs:\n"); |
a16e1123 | 1777 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1778 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1779 | goto finish; |
1780 | } | |
e965d56d | 1781 | } |
d46de8a1 | 1782 | |
a16e1123 | 1783 | for (;;) { |
e96d6be7 LP |
1784 | r = manager_loop(m); |
1785 | if (r < 0) { | |
da927ba9 | 1786 | log_emergency_errno(r, "Failed to run main loop: %m"); |
cb6531be | 1787 | error_message = "Failed to run main loop"; |
a16e1123 LP |
1788 | goto finish; |
1789 | } | |
11dd41ce | 1790 | |
a16e1123 | 1791 | switch (m->exit_code) { |
e965d56d | 1792 | |
a16e1123 | 1793 | case MANAGER_RELOAD: |
e015090f | 1794 | log_info("Reloading."); |
06af2a04 TB |
1795 | |
1796 | r = parse_config_file(); | |
1797 | if (r < 0) | |
1798 | log_error("Failed to parse config file."); | |
1799 | ||
1800 | manager_set_defaults(m); | |
1801 | ||
e96d6be7 LP |
1802 | r = manager_reload(m); |
1803 | if (r < 0) | |
da927ba9 | 1804 | log_error_errno(r, "Failed to reload: %m"); |
a16e1123 | 1805 | break; |
cea8e32e | 1806 | |
a16e1123 | 1807 | case MANAGER_REEXECUTE: |
664f88a7 | 1808 | |
cb6531be | 1809 | if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) { |
6b9af963 | 1810 | error_message = "Failed to prepare for reexecution"; |
a16e1123 | 1811 | goto finish; |
cb6531be | 1812 | } |
60918275 | 1813 | |
a16e1123 | 1814 | reexecute = true; |
e015090f | 1815 | log_notice("Reexecuting."); |
a16e1123 LP |
1816 | goto finish; |
1817 | ||
664f88a7 LP |
1818 | case MANAGER_SWITCH_ROOT: |
1819 | /* Steal the switch root parameters */ | |
41669317 | 1820 | switch_root_dir = m->switch_root; |
664f88a7 LP |
1821 | switch_root_init = m->switch_root_init; |
1822 | m->switch_root = m->switch_root_init = NULL; | |
1823 | ||
1824 | if (!switch_root_init) | |
cb6531be | 1825 | if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) { |
6b9af963 | 1826 | error_message = "Failed to prepare for reexecution"; |
664f88a7 | 1827 | goto finish; |
cb6531be | 1828 | } |
664f88a7 LP |
1829 | |
1830 | reexecute = true; | |
1831 | log_notice("Switching root."); | |
1832 | goto finish; | |
1833 | ||
287419c1 | 1834 | case MANAGER_EXIT: |
97792515 LP |
1835 | retval = m->return_value; |
1836 | ||
8ebfe0cb | 1837 | if (m->running_as == MANAGER_USER) { |
8ebfe0cb DH |
1838 | log_debug("Exit."); |
1839 | goto finish; | |
1840 | } | |
1841 | ||
1842 | /* fallthrough */ | |
b9080b03 FF |
1843 | case MANAGER_REBOOT: |
1844 | case MANAGER_POWEROFF: | |
1845 | case MANAGER_HALT: | |
1846 | case MANAGER_KEXEC: { | |
1847 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
287419c1 | 1848 | [MANAGER_EXIT] = "exit", |
b9080b03 FF |
1849 | [MANAGER_REBOOT] = "reboot", |
1850 | [MANAGER_POWEROFF] = "poweroff", | |
1851 | [MANAGER_HALT] = "halt", | |
1852 | [MANAGER_KEXEC] = "kexec" | |
1853 | }; | |
1854 | ||
1855 | assert_se(shutdown_verb = table[m->exit_code]); | |
e96d6be7 | 1856 | arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT; |
b9080b03 FF |
1857 | |
1858 | log_notice("Shutting down."); | |
1859 | goto finish; | |
1860 | } | |
1861 | ||
a16e1123 LP |
1862 | default: |
1863 | assert_not_reached("Unknown exit code."); | |
1864 | } | |
1865 | } | |
f170852a | 1866 | |
60918275 | 1867 | finish: |
b87c2aa6 ZJS |
1868 | pager_close(); |
1869 | ||
97792515 | 1870 | if (m) |
81f5fc2d | 1871 | arg_shutdown_watchdog = m->shutdown_watchdog; |
fe382237 | 1872 | |
06d8d842 | 1873 | m = manager_free(m); |
60918275 | 1874 | |
1f6b4113 | 1875 | for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) |
a1e58e8e | 1876 | arg_default_rlimit[j] = mfree(arg_default_rlimit[j]); |
c93ff2e9 | 1877 | |
97b11eed | 1878 | arg_default_unit = mfree(arg_default_unit); |
fe382237 | 1879 | arg_join_controllers = strv_free_free(arg_join_controllers); |
97b11eed | 1880 | arg_default_environment = strv_free(arg_default_environment); |
525d3cc7 | 1881 | arg_syscall_archs = set_free(arg_syscall_archs); |
d3b1c508 | 1882 | |
cc56fafe | 1883 | mac_selinux_finish(); |
b2bb3dbe | 1884 | |
a16e1123 | 1885 | if (reexecute) { |
664f88a7 | 1886 | const char **args; |
e564a982 | 1887 | unsigned i, args_size; |
a16e1123 | 1888 | |
664f88a7 LP |
1889 | /* Close and disarm the watchdog, so that the new |
1890 | * instance can reinitialize it, but doesn't get | |
1891 | * rebooted while we do that */ | |
1892 | watchdog_close(true); | |
a16e1123 | 1893 | |
4096d6f5 LP |
1894 | /* Reset the RLIMIT_NOFILE to the kernel default, so |
1895 | * that the new systemd can pass the kernel default to | |
1896 | * its child processes */ | |
1897 | if (saved_rlimit_nofile.rlim_cur > 0) | |
92ca4cac | 1898 | (void) setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile); |
4096d6f5 | 1899 | |
41669317 | 1900 | if (switch_root_dir) { |
cee530bb LP |
1901 | /* Kill all remaining processes from the |
1902 | * initrd, but don't wait for them, so that we | |
1903 | * can handle the SIGCHLD for them after | |
1904 | * deserializing. */ | |
0bee65f0 | 1905 | broadcast_signal(SIGTERM, false, true); |
bd3fa1d2 | 1906 | |
5a4bf02f HH |
1907 | /* And switch root with MS_MOVE, because we remove the old directory afterwards and detach it. */ |
1908 | r = switch_root(switch_root_dir, "/mnt", true, MS_MOVE); | |
41669317 | 1909 | if (r < 0) |
da927ba9 | 1910 | log_error_errno(r, "Failed to switch root, trying to continue: %m"); |
41669317 | 1911 | } |
a16e1123 | 1912 | |
d03bc1b8 | 1913 | args_size = MAX(6, argc+1); |
e564a982 | 1914 | args = newa(const char*, args_size); |
a16e1123 | 1915 | |
664f88a7 | 1916 | if (!switch_root_init) { |
5ffa8c81 | 1917 | char sfd[DECIMAL_STR_MAX(int) + 1]; |
a16e1123 | 1918 | |
664f88a7 LP |
1919 | /* First try to spawn ourselves with the right |
1920 | * path, and with full serialization. We do | |
1921 | * this only if the user didn't specify an | |
1922 | * explicit init to spawn. */ | |
edb9aaa8 | 1923 | |
d3b1c508 | 1924 | assert(arg_serialization); |
664f88a7 | 1925 | assert(fds); |
edb9aaa8 | 1926 | |
5ffa8c81 | 1927 | xsprintf(sfd, "%i", fileno(arg_serialization)); |
edb9aaa8 | 1928 | |
664f88a7 LP |
1929 | i = 0; |
1930 | args[i++] = SYSTEMD_BINARY_PATH; | |
41669317 | 1931 | if (switch_root_dir) |
2660882b | 1932 | args[i++] = "--switched-root"; |
b2c23da8 | 1933 | args[i++] = arg_running_as == MANAGER_SYSTEM ? "--system" : "--user"; |
664f88a7 LP |
1934 | args[i++] = "--deserialize"; |
1935 | args[i++] = sfd; | |
1936 | args[i++] = NULL; | |
edb9aaa8 | 1937 | |
ce8aba56 KS |
1938 | /* do not pass along the environment we inherit from the kernel or initrd */ |
1939 | if (switch_root_dir) | |
92ca4cac | 1940 | (void) clearenv(); |
ce8aba56 | 1941 | |
e564a982 | 1942 | assert(i <= args_size); |
92ca4cac | 1943 | (void) execv(args[0], (char* const*) args); |
664f88a7 | 1944 | } |
6e98720f | 1945 | |
664f88a7 LP |
1946 | /* Try the fallback, if there is any, without any |
1947 | * serialization. We pass the original argv[] and | |
1948 | * envp[]. (Well, modulo the ordering changes due to | |
1949 | * getopt() in argv[], and some cleanups in envp[], | |
1950 | * but let's hope that doesn't matter.) */ | |
a16e1123 | 1951 | |
74ca738f | 1952 | arg_serialization = safe_fclose(arg_serialization); |
2feceb5e | 1953 | fds = fdset_free(fds); |
a16e1123 | 1954 | |
a504223d | 1955 | /* Reopen the console */ |
92ca4cac | 1956 | (void) make_console_stdio(); |
a504223d | 1957 | |
d3b1c508 | 1958 | for (j = 1, i = 1; j < (unsigned) argc; j++) |
664f88a7 | 1959 | args[i++] = argv[j]; |
a16e1123 | 1960 | args[i++] = NULL; |
e564a982 | 1961 | assert(i <= args_size); |
b8f83232 | 1962 | |
1b6d7fa7 | 1963 | /* Reenable any blocked signals, especially important |
5a85ca1c | 1964 | * if we switch from initial ramdisk to init=... */ |
ce30c8dc LP |
1965 | (void) reset_all_signal_handlers(); |
1966 | (void) reset_signal_mask(); | |
5a85ca1c | 1967 | |
b8f83232 LP |
1968 | if (switch_root_init) { |
1969 | args[0] = switch_root_init; | |
92ca4cac | 1970 | (void) execv(args[0], (char* const*) args); |
56f64d95 | 1971 | log_warning_errno(errno, "Failed to execute configured init, trying fallback: %m"); |
b8f83232 LP |
1972 | } |
1973 | ||
1974 | args[0] = "/sbin/init"; | |
92ca4cac | 1975 | (void) execv(args[0], (char* const*) args); |
a16e1123 | 1976 | |
745e2fb7 KS |
1977 | if (errno == ENOENT) { |
1978 | log_warning("No /sbin/init, trying fallback"); | |
b8f83232 | 1979 | |
745e2fb7 KS |
1980 | args[0] = "/bin/sh"; |
1981 | args[1] = NULL; | |
92ca4cac | 1982 | (void) execv(args[0], (char* const*) args); |
56f64d95 | 1983 | log_error_errno(errno, "Failed to execute /bin/sh, giving up: %m"); |
745e2fb7 | 1984 | } else |
56f64d95 | 1985 | log_warning_errno(errno, "Failed to execute /sbin/init, giving up: %m"); |
a16e1123 LP |
1986 | } |
1987 | ||
74ca738f | 1988 | arg_serialization = safe_fclose(arg_serialization); |
2feceb5e | 1989 | fds = fdset_free(fds); |
a16e1123 | 1990 | |
54b434b1 LP |
1991 | #ifdef HAVE_VALGRIND_VALGRIND_H |
1992 | /* If we are PID 1 and running under valgrind, then let's exit | |
1993 | * here explicitly. valgrind will only generate nice output on | |
1994 | * exit(), not on exec(), hence let's do the former not the | |
1995 | * latter here. */ | |
1996 | if (getpid() == 1 && RUNNING_ON_VALGRIND) | |
1997 | return 0; | |
1998 | #endif | |
1999 | ||
b9080b03 | 2000 | if (shutdown_verb) { |
b1e90ec5 | 2001 | char log_level[DECIMAL_STR_MAX(int) + 1]; |
287419c1 AC |
2002 | char exit_code[DECIMAL_STR_MAX(uint8_t) + 1]; |
2003 | const char* command_line[11] = { | |
b9080b03 FF |
2004 | SYSTEMD_SHUTDOWN_BINARY_PATH, |
2005 | shutdown_verb, | |
b1e90ec5 ZJS |
2006 | "--log-level", log_level, |
2007 | "--log-target", | |
b9080b03 | 2008 | }; |
b1e90ec5 | 2009 | unsigned pos = 5; |
e3e45d4f | 2010 | _cleanup_strv_free_ char **env_block = NULL; |
15bd5aee LP |
2011 | |
2012 | assert(command_line[pos] == NULL); | |
e3e45d4f | 2013 | env_block = strv_copy(environ); |
b9080b03 | 2014 | |
5ffa8c81 | 2015 | xsprintf(log_level, "%d", log_get_max_level()); |
b1e90ec5 ZJS |
2016 | |
2017 | switch (log_get_target()) { | |
92ca4cac | 2018 | |
b1e90ec5 ZJS |
2019 | case LOG_TARGET_KMSG: |
2020 | case LOG_TARGET_JOURNAL_OR_KMSG: | |
2021 | case LOG_TARGET_SYSLOG_OR_KMSG: | |
2022 | command_line[pos++] = "kmsg"; | |
2023 | break; | |
2024 | ||
10f00ff1 ILG |
2025 | case LOG_TARGET_NULL: |
2026 | command_line[pos++] = "null"; | |
2027 | break; | |
2028 | ||
b1e90ec5 ZJS |
2029 | case LOG_TARGET_CONSOLE: |
2030 | default: | |
2031 | command_line[pos++] = "console"; | |
2032 | break; | |
2033 | }; | |
2034 | ||
2035 | if (log_get_show_color()) | |
2036 | command_line[pos++] = "--log-color"; | |
2037 | ||
2038 | if (log_get_show_location()) | |
2039 | command_line[pos++] = "--log-location"; | |
2040 | ||
287419c1 AC |
2041 | if (streq(shutdown_verb, "exit")) { |
2042 | command_line[pos++] = "--exit-code"; | |
2043 | command_line[pos++] = exit_code; | |
97792515 | 2044 | xsprintf(exit_code, "%d", retval); |
287419c1 AC |
2045 | } |
2046 | ||
26abdc73 | 2047 | assert(pos < ELEMENTSOF(command_line)); |
b1e90ec5 | 2048 | |
e96d6be7 | 2049 | if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) { |
e3e45d4f | 2050 | char *e; |
d18f337c | 2051 | |
e96d6be7 LP |
2052 | /* If we reboot let's set the shutdown |
2053 | * watchdog and tell the shutdown binary to | |
2054 | * repeatedly ping it */ | |
c2cc6b9a LP |
2055 | r = watchdog_set_timeout(&arg_shutdown_watchdog); |
2056 | watchdog_close(r < 0); | |
e96d6be7 | 2057 | |
e3e45d4f SP |
2058 | /* Tell the binary how often to ping, ignore failure */ |
2059 | if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0) | |
92ca4cac | 2060 | (void) strv_push(&env_block, e); |
e3e45d4f | 2061 | } else |
e96d6be7 LP |
2062 | watchdog_close(true); |
2063 | ||
66713f77 LP |
2064 | /* Avoid the creation of new processes forked by the |
2065 | * kernel; at this point, we will not listen to the | |
2066 | * signals anyway */ | |
75f86906 | 2067 | if (detect_container() <= 0) |
e155a0aa | 2068 | (void) cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER); |
ad929bcc | 2069 | |
d18f337c | 2070 | execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block); |
56f64d95 | 2071 | log_error_errno(errno, "Failed to execute shutdown binary, %s: %m", |
b1e90ec5 | 2072 | getpid() == 1 ? "freezing" : "quitting"); |
b9080b03 FF |
2073 | } |
2074 | ||
cb6531be ZJS |
2075 | if (getpid() == 1) { |
2076 | if (error_message) | |
2077 | manager_status_printf(NULL, STATUS_TYPE_EMERGENCY, | |
1fc464f6 | 2078 | ANSI_HIGHLIGHT_RED "!!!!!!" ANSI_NORMAL, |
cb6531be | 2079 | "%s, freezing.", error_message); |
b9e74c39 | 2080 | freeze_or_reboot(); |
cb6531be | 2081 | } |
c3b3c274 | 2082 | |
60918275 LP |
2083 | return retval; |
2084 | } |