]>
Commit | Line | Data |
---|---|---|
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 LP |
22 | #include <stdio.h> |
23 | #include <errno.h> | |
24 | #include <string.h> | |
16354eff | 25 | #include <unistd.h> |
4ade7963 | 26 | #include <sys/stat.h> |
f170852a | 27 | #include <getopt.h> |
97c4f35c | 28 | #include <signal.h> |
80876c20 | 29 | #include <fcntl.h> |
f3b6a3ed | 30 | #include <sys/prctl.h> |
664f88a7 | 31 | #include <sys/mount.h> |
60918275 | 32 | |
54b434b1 LP |
33 | #ifdef HAVE_VALGRIND_VALGRIND_H |
34 | #include <valgrind/valgrind.h> | |
35 | #endif | |
b64a3d86 LP |
36 | #ifdef HAVE_SECCOMP |
37 | #include <seccomp.h> | |
38 | #endif | |
54b434b1 | 39 | |
718db961 | 40 | #include "sd-daemon.h" |
718db961 | 41 | #include "sd-bus.h" |
16354eff | 42 | #include "log.h" |
a16e1123 | 43 | #include "fdset.h" |
514f4ef5 | 44 | #include "special.h" |
487393e9 | 45 | #include "conf-parser.h" |
ad780f19 | 46 | #include "missing.h" |
b87c2aa6 | 47 | #include "pager.h" |
302e27c8 | 48 | #include "build.h" |
06d4c99a | 49 | #include "strv.h" |
f6a6225e | 50 | #include "def.h" |
b52aae1d | 51 | #include "virt.h" |
d9d93745 | 52 | #include "architecture.h" |
e96d6be7 | 53 | #include "watchdog.h" |
41669317 | 54 | #include "switch-root.h" |
ec8927ca | 55 | #include "capability.h" |
bd3fa1d2 | 56 | #include "killall.h" |
0c4025d1 | 57 | #include "env-util.h" |
24efb112 | 58 | #include "clock-util.h" |
718db961 | 59 | #include "fileio.h" |
718db961 LP |
60 | #include "bus-error.h" |
61 | #include "bus-util.h" | |
d7b8eec7 | 62 | #include "selinux-util.h" |
24882e06 LP |
63 | #include "formats-util.h" |
64 | #include "process-util.h" | |
65 | #include "terminal-util.h" | |
66 | #include "signal-util.h" | |
d7b8eec7 LP |
67 | #include "manager.h" |
68 | #include "dbus-manager.h" | |
69 | #include "load-fragment.h" | |
60918275 | 70 | |
b6e66135 LP |
71 | #include "mount-setup.h" |
72 | #include "loopback-setup.h" | |
b6e66135 LP |
73 | #include "hostname-setup.h" |
74 | #include "machine-id-setup.h" | |
b6e66135 LP |
75 | #include "selinux-setup.h" |
76 | #include "ima-setup.h" | |
ffbd2c4d | 77 | #include "smack-setup.h" |
718db961 | 78 | #include "kmod-setup.h" |
b6e66135 | 79 | |
f170852a LP |
80 | static enum { |
81 | ACTION_RUN, | |
e965d56d | 82 | ACTION_HELP, |
9ba0bc4e | 83 | ACTION_VERSION, |
e537352b | 84 | ACTION_TEST, |
4288f619 LP |
85 | ACTION_DUMP_CONFIGURATION_ITEMS, |
86 | ACTION_DONE | |
fa0f4d8a | 87 | } arg_action = ACTION_RUN; |
fa0f4d8a | 88 | static char *arg_default_unit = NULL; |
b2c23da8 | 89 | static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID; |
fa0f4d8a LP |
90 | static bool arg_dump_core = true; |
91 | static bool arg_crash_shell = false; | |
92 | static int arg_crash_chvt = -1; | |
93 | static bool arg_confirm_spawn = false; | |
b6e2f329 | 94 | static ShowStatus arg_show_status = _SHOW_STATUS_UNSET; |
bf4df7c3 | 95 | static bool arg_switched_root = false; |
b87c2aa6 | 96 | static int arg_no_pager = -1; |
0c85a4f3 | 97 | static char ***arg_join_controllers = NULL; |
706343f4 | 98 | static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL; |
0a494f1f | 99 | static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT; |
1f19a534 OS |
100 | static usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC; |
101 | static usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC; | |
102 | static usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC; | |
3f41e1e5 LN |
103 | static usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL; |
104 | static unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST; | |
e96d6be7 LP |
105 | static usec_t arg_runtime_watchdog = 0; |
106 | static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE; | |
97d0e5f8 | 107 | static char **arg_default_environment = NULL; |
517d56b1 | 108 | static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {}; |
ec8927ca | 109 | static uint64_t arg_capability_bounding_set_drop = 0; |
3a43da28 | 110 | static nsec_t arg_timer_slack_nsec = NSEC_INFINITY; |
bd8f585b | 111 | static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE; |
d3b1c508 LP |
112 | static Set* arg_syscall_archs = NULL; |
113 | static FILE* arg_serialization = NULL; | |
085afe36 LP |
114 | static bool arg_default_cpu_accounting = false; |
115 | static bool arg_default_blockio_accounting = false; | |
116 | static bool arg_default_memory_accounting = false; | |
03a7b521 | 117 | static bool arg_default_tasks_accounting = false; |
4fc935ca | 118 | |
d3b1c508 | 119 | static void nop_handler(int sig) {} |
6f5e3f35 | 120 | |
b87c2aa6 ZJS |
121 | static void pager_open_if_enabled(void) { |
122 | ||
123 | if (arg_no_pager <= 0) | |
124 | return; | |
125 | ||
126 | pager_open(false); | |
127 | } | |
128 | ||
919ce0b7 | 129 | noreturn static void crash(int sig) { |
97c4f35c | 130 | |
abb26902 LP |
131 | if (getpid() != 1) |
132 | /* Pass this on immediately, if this is not PID 1 */ | |
133 | raise(sig); | |
134 | else if (!arg_dump_core) | |
4104970e | 135 | log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig)); |
97c4f35c | 136 | else { |
b92bea5d ZJS |
137 | struct sigaction sa = { |
138 | .sa_handler = nop_handler, | |
139 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, | |
140 | }; | |
97c4f35c LP |
141 | pid_t pid; |
142 | ||
6f5e3f35 | 143 | /* We want to wait for the core process, hence let's enable SIGCHLD */ |
abb26902 | 144 | sigaction(SIGCHLD, &sa, NULL); |
6f5e3f35 | 145 | |
ee05e779 | 146 | pid = raw_clone(SIGCHLD, NULL); |
e62d8c39 | 147 | if (pid < 0) |
56f64d95 | 148 | log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig)); |
97c4f35c LP |
149 | |
150 | else if (pid == 0) { | |
b92bea5d | 151 | struct rlimit rl = {}; |
97c4f35c LP |
152 | |
153 | /* Enable default signal handler for core dump */ | |
154 | zero(sa); | |
155 | sa.sa_handler = SIG_DFL; | |
abb26902 | 156 | sigaction(sig, &sa, NULL); |
97c4f35c LP |
157 | |
158 | /* Don't limit the core dump size */ | |
97c4f35c LP |
159 | rl.rlim_cur = RLIM_INFINITY; |
160 | rl.rlim_max = RLIM_INFINITY; | |
161 | setrlimit(RLIMIT_CORE, &rl); | |
162 | ||
163 | /* Just to be sure... */ | |
e62d9b81 | 164 | (void) chdir("/"); |
97c4f35c LP |
165 | |
166 | /* Raise the signal again */ | |
ee05e779 ZJS |
167 | pid = raw_getpid(); |
168 | kill(pid, sig); /* raise() would kill the parent */ | |
97c4f35c LP |
169 | |
170 | assert_not_reached("We shouldn't be here..."); | |
171 | _exit(1); | |
4fc935ca | 172 | } else { |
8e12a6ae LP |
173 | siginfo_t status; |
174 | int r; | |
4fc935ca LP |
175 | |
176 | /* Order things nicely. */ | |
e62d8c39 ZJS |
177 | r = wait_for_terminate(pid, &status); |
178 | if (r < 0) | |
da927ba9 | 179 | log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig)); |
8e12a6ae | 180 | else if (status.si_code != CLD_DUMPED) |
ee05e779 ZJS |
181 | log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).", |
182 | signal_to_string(sig), | |
183 | pid, sigchld_code_to_string(status.si_code), | |
184 | status.si_status, | |
185 | strna(status.si_code == CLD_EXITED | |
186 | ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL) | |
187 | : signal_to_string(status.si_status))); | |
4fc935ca | 188 | else |
4104970e | 189 | log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid); |
97c4f35c LP |
190 | } |
191 | } | |
192 | ||
fa0f4d8a LP |
193 | if (arg_crash_chvt) |
194 | chvt(arg_crash_chvt); | |
601f6a1e | 195 | |
fa0f4d8a | 196 | if (arg_crash_shell) { |
b92bea5d ZJS |
197 | struct sigaction sa = { |
198 | .sa_handler = SIG_IGN, | |
199 | .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART, | |
200 | }; | |
6f5e3f35 | 201 | pid_t pid; |
8c43883a | 202 | |
4fc935ca LP |
203 | log_info("Executing crash shell in 10s..."); |
204 | sleep(10); | |
205 | ||
6f5e3f35 | 206 | /* Let the kernel reap children for us */ |
6f5e3f35 | 207 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
8c43883a | 208 | |
ee05e779 | 209 | pid = raw_clone(SIGCHLD, NULL); |
cd3bd60a | 210 | if (pid < 0) |
56f64d95 | 211 | log_emergency_errno(errno, "Failed to fork off crash shell: %m"); |
6f5e3f35 | 212 | else if (pid == 0) { |
cd3bd60a | 213 | make_console_stdio(); |
ee05e779 | 214 | execle("/bin/sh", "/bin/sh", NULL, environ); |
6f5e3f35 | 215 | |
ee05e779 | 216 | log_emergency_errno(errno, "execle() failed: %m"); |
6f5e3f35 | 217 | _exit(1); |
ee05e779 ZJS |
218 | } else |
219 | log_info("Successfully spawned crash shell as PID "PID_FMT".", pid); | |
4fc935ca LP |
220 | } |
221 | ||
4104970e | 222 | log_emergency("Freezing execution."); |
97c4f35c LP |
223 | freeze(); |
224 | } | |
225 | ||
226 | static void install_crash_handler(void) { | |
297d563d | 227 | static const struct sigaction sa = { |
b92bea5d | 228 | .sa_handler = crash, |
297d563d | 229 | .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */ |
b92bea5d | 230 | }; |
297d563d | 231 | int r; |
97c4f35c | 232 | |
297d563d LP |
233 | /* We ignore the return value here, since, we don't mind if we |
234 | * cannot set up a crash handler */ | |
235 | r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1); | |
236 | if (r < 0) | |
237 | log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m"); | |
97c4f35c | 238 | } |
f170852a | 239 | |
56d96fc0 LP |
240 | static int console_setup(void) { |
241 | _cleanup_close_ int tty_fd = -1; | |
242 | int r; | |
80876c20 | 243 | |
512947d4 | 244 | tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC); |
23bbb0de MS |
245 | if (tty_fd < 0) |
246 | return log_error_errno(tty_fd, "Failed to open /dev/console: %m"); | |
80876c20 | 247 | |
56d96fc0 LP |
248 | /* We don't want to force text mode. plymouth may be showing |
249 | * pictures already from initrd. */ | |
512947d4 | 250 | r = reset_terminal_fd(tty_fd, false); |
23bbb0de MS |
251 | if (r < 0) |
252 | return log_error_errno(r, "Failed to reset /dev/console: %m"); | |
843d2643 | 253 | |
56d96fc0 | 254 | return 0; |
80876c20 LP |
255 | } |
256 | ||
f170852a LP |
257 | static int set_default_unit(const char *u) { |
258 | char *c; | |
259 | ||
260 | assert(u); | |
261 | ||
bf4df7c3 LP |
262 | c = strdup(u); |
263 | if (!c) | |
f170852a LP |
264 | return -ENOMEM; |
265 | ||
fa0f4d8a LP |
266 | free(arg_default_unit); |
267 | arg_default_unit = c; | |
bf4df7c3 | 268 | |
f170852a LP |
269 | return 0; |
270 | } | |
271 | ||
059cb385 | 272 | static int parse_proc_cmdline_item(const char *key, const char *value) { |
f170852a LP |
273 | |
274 | static const char * const rlmap[] = { | |
ed370f5d | 275 | "emergency", SPECIAL_EMERGENCY_TARGET, |
099663ff | 276 | "-b", SPECIAL_EMERGENCY_TARGET, |
5329ab10 | 277 | "rescue", SPECIAL_RESCUE_TARGET, |
ed370f5d LP |
278 | "single", SPECIAL_RESCUE_TARGET, |
279 | "-s", SPECIAL_RESCUE_TARGET, | |
280 | "s", SPECIAL_RESCUE_TARGET, | |
281 | "S", SPECIAL_RESCUE_TARGET, | |
282 | "1", SPECIAL_RESCUE_TARGET, | |
d5d8429a LP |
283 | "2", SPECIAL_MULTI_USER_TARGET, |
284 | "3", SPECIAL_MULTI_USER_TARGET, | |
285 | "4", SPECIAL_MULTI_USER_TARGET, | |
286 | "5", SPECIAL_GRAPHICAL_TARGET, | |
f170852a | 287 | }; |
059cb385 | 288 | int r; |
f170852a | 289 | |
059cb385 | 290 | assert(key); |
5192bd19 | 291 | |
059cb385 | 292 | if (streq(key, "systemd.unit") && value) { |
bf4df7c3 LP |
293 | |
294 | if (!in_initrd()) | |
059cb385 | 295 | return set_default_unit(value); |
bf4df7c3 | 296 | |
059cb385 | 297 | } else if (streq(key, "rd.systemd.unit") && value) { |
bf4df7c3 | 298 | |
ca05941b LP |
299 | if (in_initrd()) |
300 | return set_default_unit(value); | |
f170852a | 301 | |
059cb385 | 302 | } else if (streq(key, "systemd.dump_core") && value) { |
4fc935ca | 303 | |
059cb385 | 304 | r = parse_boolean(value); |
fb472900 | 305 | if (r < 0) |
059cb385 | 306 | log_warning("Failed to parse dump core switch %s. Ignoring.", value); |
4fc935ca | 307 | else |
fa0f4d8a | 308 | arg_dump_core = r; |
4fc935ca | 309 | |
059cb385 | 310 | } else if (streq(key, "systemd.crash_shell") && value) { |
4fc935ca | 311 | |
059cb385 | 312 | r = parse_boolean(value); |
fb472900 | 313 | if (r < 0) |
059cb385 | 314 | log_warning("Failed to parse crash shell switch %s. Ignoring.", value); |
4fc935ca | 315 | else |
fa0f4d8a | 316 | arg_crash_shell = r; |
5e7ee61c | 317 | |
059cb385 | 318 | } else if (streq(key, "systemd.crash_chvt") && value) { |
5e7ee61c | 319 | |
059cb385 LP |
320 | if (safe_atoi(value, &r) < 0) |
321 | log_warning("Failed to parse crash chvt switch %s. Ignoring.", value); | |
5e7ee61c | 322 | else |
059cb385 | 323 | arg_crash_chvt = r; |
5e7ee61c | 324 | |
059cb385 | 325 | } else if (streq(key, "systemd.confirm_spawn") && value) { |
601f6a1e | 326 | |
059cb385 LP |
327 | r = parse_boolean(value); |
328 | if (r < 0) | |
329 | log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value); | |
601f6a1e | 330 | else |
059cb385 | 331 | arg_confirm_spawn = r; |
601f6a1e | 332 | |
059cb385 | 333 | } else if (streq(key, "systemd.show_status") && value) { |
9e58ff9c | 334 | |
059cb385 | 335 | r = parse_show_status(value, &arg_show_status); |
d450b6f2 | 336 | if (r < 0) |
059cb385 LP |
337 | log_warning("Failed to parse show status switch %s. Ignoring.", value); |
338 | ||
339 | } else if (streq(key, "systemd.default_standard_output") && value) { | |
0a494f1f | 340 | |
059cb385 | 341 | r = exec_output_from_string(value); |
fb472900 | 342 | if (r < 0) |
059cb385 | 343 | log_warning("Failed to parse default standard output switch %s. Ignoring.", value); |
0a494f1f LP |
344 | else |
345 | arg_default_std_output = r; | |
0a494f1f | 346 | |
059cb385 LP |
347 | } else if (streq(key, "systemd.default_standard_error") && value) { |
348 | ||
349 | r = exec_output_from_string(value); | |
fb472900 | 350 | if (r < 0) |
059cb385 | 351 | log_warning("Failed to parse default standard error switch %s. Ignoring.", value); |
0a494f1f LP |
352 | else |
353 | arg_default_std_error = r; | |
9e7c5357 | 354 | |
059cb385 LP |
355 | } else if (streq(key, "systemd.setenv") && value) { |
356 | ||
357 | if (env_assignment_is_valid(value)) { | |
e21fea24 KS |
358 | char **env; |
359 | ||
059cb385 | 360 | env = strv_env_set(arg_default_environment, value); |
e21fea24 KS |
361 | if (env) |
362 | arg_default_environment = env; | |
363 | else | |
279d3c9c | 364 | log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value); |
e21fea24 | 365 | } else |
059cb385 | 366 | log_warning("Environment variable name '%s' is not valid. Ignoring.", value); |
9e58ff9c | 367 | |
059cb385 | 368 | } else if (streq(key, "quiet") && !value) { |
d7b15e0a | 369 | |
b6e2f329 | 370 | if (arg_show_status == _SHOW_STATUS_UNSET) |
d450b6f2 | 371 | arg_show_status = SHOW_STATUS_AUTO; |
059cb385 LP |
372 | |
373 | } else if (streq(key, "debug") && !value) { | |
d7b15e0a | 374 | |
1de1c9c3 LP |
375 | /* Note that log_parse_environment() handles 'debug' |
376 | * too, and sets the log level to LOG_DEBUG. */ | |
d7b15e0a | 377 | |
75f86906 | 378 | if (detect_container() > 0) |
b2103dcc | 379 | log_set_target(LOG_TARGET_CONSOLE); |
059cb385 LP |
380 | |
381 | } else if (!in_initrd() && !value) { | |
f170852a LP |
382 | unsigned i; |
383 | ||
384 | /* SysV compatibility */ | |
f170852a | 385 | for (i = 0; i < ELEMENTSOF(rlmap); i += 2) |
059cb385 | 386 | if (streq(key, rlmap[i])) |
f170852a LP |
387 | return set_default_unit(rlmap[i+1]); |
388 | } | |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
e8e581bf ZJS |
393 | #define DEFINE_SETTER(name, func, descr) \ |
394 | static int name(const char *unit, \ | |
395 | const char *filename, \ | |
396 | unsigned line, \ | |
397 | const char *section, \ | |
71a61510 | 398 | unsigned section_line, \ |
e8e581bf ZJS |
399 | const char *lvalue, \ |
400 | int ltype, \ | |
401 | const char *rvalue, \ | |
402 | void *data, \ | |
403 | void *userdata) { \ | |
404 | \ | |
405 | int r; \ | |
406 | \ | |
407 | assert(filename); \ | |
408 | assert(lvalue); \ | |
409 | assert(rvalue); \ | |
410 | \ | |
411 | r = func(rvalue); \ | |
412 | if (r < 0) \ | |
413 | log_syntax(unit, LOG_ERR, filename, line, -r, \ | |
414 | "Invalid " descr "'%s': %s", \ | |
415 | rvalue, strerror(-r)); \ | |
416 | \ | |
417 | return 0; \ | |
418 | } | |
487393e9 | 419 | |
e8e581bf ZJS |
420 | DEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level") |
421 | DEFINE_SETTER(config_parse_target, log_set_target_from_string, "target") | |
422 | DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" ) | |
423 | DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location") | |
487393e9 | 424 | |
4d7213b2 LP |
425 | static int config_parse_cpu_affinity2( |
426 | const char *unit, | |
427 | const char *filename, | |
428 | unsigned line, | |
429 | const char *section, | |
430 | unsigned section_line, | |
431 | const char *lvalue, | |
432 | int ltype, | |
433 | const char *rvalue, | |
434 | void *data, | |
435 | void *userdata) { | |
487393e9 | 436 | |
4b40bc38 | 437 | _cleanup_cpu_free_ cpu_set_t *c = NULL; |
f5c72b73 | 438 | int ncpus; |
487393e9 | 439 | |
f5c72b73 | 440 | ncpus = parse_cpu_set(rvalue, &c, unit, filename, line, lvalue); |
487393e9 | 441 | |
f5c72b73 FB |
442 | if (ncpus < 0) |
443 | return ncpus; | |
487393e9 | 444 | |
f5c72b73 FB |
445 | if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0) |
446 | log_warning("Failed to set CPU affinity: %m"); | |
487393e9 | 447 | |
487393e9 LP |
448 | return 0; |
449 | } | |
450 | ||
4d7213b2 LP |
451 | static int config_parse_show_status( |
452 | const char* unit, | |
453 | const char *filename, | |
454 | unsigned line, | |
455 | const char *section, | |
456 | unsigned section_line, | |
457 | const char *lvalue, | |
458 | int ltype, | |
459 | const char *rvalue, | |
460 | void *data, | |
461 | void *userdata) { | |
462 | ||
463 | int k; | |
464 | ShowStatus *b = data; | |
465 | ||
466 | assert(filename); | |
467 | assert(lvalue); | |
468 | assert(rvalue); | |
469 | assert(data); | |
470 | ||
471 | k = parse_show_status(rvalue, b); | |
472 | if (k < 0) { | |
473 | log_syntax(unit, LOG_ERR, filename, line, -k, | |
474 | "Failed to parse show status setting, ignoring: %s", rvalue); | |
475 | return 0; | |
476 | } | |
477 | ||
478 | return 0; | |
479 | } | |
480 | ||
0c85a4f3 LP |
481 | static void strv_free_free(char ***l) { |
482 | char ***i; | |
483 | ||
484 | if (!l) | |
485 | return; | |
486 | ||
487 | for (i = l; *i; i++) | |
488 | strv_free(*i); | |
489 | ||
490 | free(l); | |
491 | } | |
492 | ||
493 | static void free_join_controllers(void) { | |
0c85a4f3 LP |
494 | strv_free_free(arg_join_controllers); |
495 | arg_join_controllers = NULL; | |
496 | } | |
497 | ||
e8e581bf ZJS |
498 | static int config_parse_join_controllers(const char *unit, |
499 | const char *filename, | |
500 | unsigned line, | |
501 | const char *section, | |
71a61510 | 502 | unsigned section_line, |
e8e581bf ZJS |
503 | const char *lvalue, |
504 | int ltype, | |
505 | const char *rvalue, | |
506 | void *data, | |
507 | void *userdata) { | |
0c85a4f3 | 508 | |
3875c85b | 509 | const char *whole_rvalue = rvalue; |
0c85a4f3 | 510 | unsigned n = 0; |
0c85a4f3 LP |
511 | |
512 | assert(filename); | |
513 | assert(lvalue); | |
514 | assert(rvalue); | |
515 | ||
516 | free_join_controllers(); | |
517 | ||
d4ebeb4f FB |
518 | for (;;) { |
519 | _cleanup_free_ char *word = NULL; | |
520 | char **l; | |
521 | int r; | |
0c85a4f3 | 522 | |
d4ebeb4f | 523 | r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES); |
3875c85b FB |
524 | if (r < 0) { |
525 | log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue); | |
d4ebeb4f | 526 | return r; |
3875c85b | 527 | } |
d4ebeb4f FB |
528 | if (r == 0) |
529 | break; | |
0c85a4f3 | 530 | |
d4ebeb4f | 531 | l = strv_split(word, ","); |
1592ec21 FB |
532 | if (!l) |
533 | log_oom(); | |
0c85a4f3 LP |
534 | strv_uniq(l); |
535 | ||
536 | if (strv_length(l) <= 1) { | |
537 | strv_free(l); | |
538 | continue; | |
539 | } | |
540 | ||
541 | if (!arg_join_controllers) { | |
542 | arg_join_controllers = new(char**, 2); | |
543 | if (!arg_join_controllers) { | |
544 | strv_free(l); | |
14212119 | 545 | return log_oom(); |
0c85a4f3 LP |
546 | } |
547 | ||
548 | arg_join_controllers[0] = l; | |
549 | arg_join_controllers[1] = NULL; | |
550 | ||
551 | n = 1; | |
552 | } else { | |
553 | char ***a; | |
554 | char ***t; | |
555 | ||
556 | t = new0(char**, n+2); | |
557 | if (!t) { | |
558 | strv_free(l); | |
14212119 | 559 | return log_oom(); |
0c85a4f3 LP |
560 | } |
561 | ||
562 | n = 0; | |
563 | ||
564 | for (a = arg_join_controllers; *a; a++) { | |
565 | ||
566 | if (strv_overlap(*a, l)) { | |
e3e45d4f | 567 | if (strv_extend_strv(&l, *a) < 0) { |
0c85a4f3 LP |
568 | strv_free(l); |
569 | strv_free_free(t); | |
14212119 | 570 | return log_oom(); |
0c85a4f3 LP |
571 | } |
572 | ||
0c85a4f3 LP |
573 | } else { |
574 | char **c; | |
575 | ||
576 | c = strv_copy(*a); | |
577 | if (!c) { | |
578 | strv_free(l); | |
579 | strv_free_free(t); | |
14212119 | 580 | return log_oom(); |
0c85a4f3 LP |
581 | } |
582 | ||
583 | t[n++] = c; | |
584 | } | |
585 | } | |
586 | ||
587 | t[n++] = strv_uniq(l); | |
588 | ||
589 | strv_free_free(arg_join_controllers); | |
590 | arg_join_controllers = t; | |
591 | } | |
592 | } | |
d4ebeb4f | 593 | if (!isempty(rvalue)) |
b2fadec6 ZJS |
594 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
595 | "Trailing garbage, ignoring."); | |
0c85a4f3 LP |
596 | |
597 | return 0; | |
598 | } | |
599 | ||
487393e9 LP |
600 | static int parse_config_file(void) { |
601 | ||
f975e971 | 602 | const ConfigTableItem items[] = { |
d3b1c508 LP |
603 | { "Manager", "LogLevel", config_parse_level2, 0, NULL }, |
604 | { "Manager", "LogTarget", config_parse_target, 0, NULL }, | |
605 | { "Manager", "LogColor", config_parse_color, 0, NULL }, | |
606 | { "Manager", "LogLocation", config_parse_location, 0, NULL }, | |
607 | { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core }, | |
608 | { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell }, | |
609 | { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status }, | |
610 | { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt }, | |
611 | { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL }, | |
612 | { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers }, | |
613 | { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog }, | |
614 | { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog }, | |
615 | { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop }, | |
89fffa27 | 616 | #ifdef HAVE_SECCOMP |
d3b1c508 | 617 | { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs }, |
89fffa27 | 618 | #endif |
d3b1c508 | 619 | { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec }, |
bd8f585b | 620 | { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec }, |
d3b1c508 LP |
621 | { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output }, |
622 | { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error }, | |
623 | { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec }, | |
624 | { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec }, | |
625 | { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec }, | |
626 | { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval }, | |
627 | { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst }, | |
628 | { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment }, | |
629 | { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] }, | |
630 | { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] }, | |
631 | { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] }, | |
632 | { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] }, | |
633 | { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] }, | |
634 | { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] }, | |
635 | { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] }, | |
636 | { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] }, | |
637 | { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] }, | |
638 | { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] }, | |
639 | { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] }, | |
640 | { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] }, | |
641 | { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] }, | |
642 | { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] }, | |
643 | { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] }, | |
644 | { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] }, | |
085afe36 LP |
645 | { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting }, |
646 | { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting }, | |
647 | { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting }, | |
03a7b521 | 648 | { "Manager", "DefaultTasksAccounting", config_parse_bool, 0, &arg_default_tasks_accounting }, |
d3b1c508 | 649 | {} |
487393e9 LP |
650 | }; |
651 | ||
1b907b5c | 652 | const char *fn, *conf_dirs_nulstr; |
487393e9 | 653 | |
b2c23da8 LP |
654 | fn = arg_running_as == MANAGER_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf"; |
655 | conf_dirs_nulstr = arg_running_as == MANAGER_SYSTEM ? CONF_DIRS_NULSTR("systemd/system.conf") : CONF_DIRS_NULSTR("systemd/user.conf"); | |
1b907b5c JT |
656 | config_parse_many(fn, conf_dirs_nulstr, "Manager\0", |
657 | config_item_table_lookup, items, false, NULL); | |
487393e9 | 658 | |
487393e9 LP |
659 | return 0; |
660 | } | |
661 | ||
06af2a04 TB |
662 | static void manager_set_defaults(Manager *m) { |
663 | ||
664 | assert(m); | |
665 | ||
666 | m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec; | |
667 | m->default_std_output = arg_default_std_output; | |
668 | m->default_std_error = arg_default_std_error; | |
669 | m->default_timeout_start_usec = arg_default_timeout_start_usec; | |
670 | m->default_timeout_stop_usec = arg_default_timeout_stop_usec; | |
671 | m->default_restart_usec = arg_default_restart_usec; | |
672 | m->default_start_limit_interval = arg_default_start_limit_interval; | |
673 | m->default_start_limit_burst = arg_default_start_limit_burst; | |
674 | m->default_cpu_accounting = arg_default_cpu_accounting; | |
675 | m->default_blockio_accounting = arg_default_blockio_accounting; | |
676 | m->default_memory_accounting = arg_default_memory_accounting; | |
03a7b521 | 677 | m->default_tasks_accounting = arg_default_tasks_accounting; |
06af2a04 TB |
678 | |
679 | manager_set_default_rlimits(m, arg_default_rlimit); | |
680 | manager_environment_add(m, NULL, arg_default_environment); | |
681 | } | |
682 | ||
f170852a LP |
683 | static int parse_argv(int argc, char *argv[]) { |
684 | ||
685 | enum { | |
686 | ARG_LOG_LEVEL = 0x100, | |
687 | ARG_LOG_TARGET, | |
bbe63281 LP |
688 | ARG_LOG_COLOR, |
689 | ARG_LOG_LOCATION, | |
2f198e2f | 690 | ARG_UNIT, |
edb9aaa8 | 691 | ARG_SYSTEM, |
af2d49f7 | 692 | ARG_USER, |
e537352b | 693 | ARG_TEST, |
b87c2aa6 | 694 | ARG_NO_PAGER, |
9ba0bc4e | 695 | ARG_VERSION, |
80876c20 | 696 | ARG_DUMP_CONFIGURATION_ITEMS, |
9e58ff9c LP |
697 | ARG_DUMP_CORE, |
698 | ARG_CRASH_SHELL, | |
a16e1123 | 699 | ARG_CONFIRM_SPAWN, |
9e58ff9c | 700 | ARG_SHOW_STATUS, |
4288f619 | 701 | ARG_DESERIALIZE, |
2660882b | 702 | ARG_SWITCHED_ROOT, |
0a494f1f LP |
703 | ARG_DEFAULT_STD_OUTPUT, |
704 | ARG_DEFAULT_STD_ERROR | |
f170852a LP |
705 | }; |
706 | ||
707 | static const struct option options[] = { | |
a16e1123 LP |
708 | { "log-level", required_argument, NULL, ARG_LOG_LEVEL }, |
709 | { "log-target", required_argument, NULL, ARG_LOG_TARGET }, | |
bbe63281 LP |
710 | { "log-color", optional_argument, NULL, ARG_LOG_COLOR }, |
711 | { "log-location", optional_argument, NULL, ARG_LOG_LOCATION }, | |
2f198e2f | 712 | { "unit", required_argument, NULL, ARG_UNIT }, |
edb9aaa8 | 713 | { "system", no_argument, NULL, ARG_SYSTEM }, |
af2d49f7 | 714 | { "user", no_argument, NULL, ARG_USER }, |
a16e1123 | 715 | { "test", no_argument, NULL, ARG_TEST }, |
b87c2aa6 | 716 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, |
a16e1123 | 717 | { "help", no_argument, NULL, 'h' }, |
9ba0bc4e | 718 | { "version", no_argument, NULL, ARG_VERSION }, |
a16e1123 | 719 | { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS }, |
a5d87bf0 LP |
720 | { "dump-core", optional_argument, NULL, ARG_DUMP_CORE }, |
721 | { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL }, | |
722 | { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN }, | |
6e98720f | 723 | { "show-status", optional_argument, NULL, ARG_SHOW_STATUS }, |
a16e1123 | 724 | { "deserialize", required_argument, NULL, ARG_DESERIALIZE }, |
2660882b | 725 | { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT }, |
0a494f1f LP |
726 | { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, }, |
727 | { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, }, | |
fb472900 | 728 | {} |
f170852a LP |
729 | }; |
730 | ||
731 | int c, r; | |
732 | ||
733 | assert(argc >= 1); | |
734 | assert(argv); | |
735 | ||
b770165a LP |
736 | if (getpid() == 1) |
737 | opterr = 0; | |
738 | ||
099663ff | 739 | while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0) |
f170852a LP |
740 | |
741 | switch (c) { | |
742 | ||
743 | case ARG_LOG_LEVEL: | |
fb472900 ZJS |
744 | r = log_set_max_level_from_string(optarg); |
745 | if (r < 0) { | |
f170852a LP |
746 | log_error("Failed to parse log level %s.", optarg); |
747 | return r; | |
748 | } | |
749 | ||
750 | break; | |
751 | ||
752 | case ARG_LOG_TARGET: | |
fb472900 ZJS |
753 | r = log_set_target_from_string(optarg); |
754 | if (r < 0) { | |
f170852a LP |
755 | log_error("Failed to parse log target %s.", optarg); |
756 | return r; | |
757 | } | |
758 | ||
759 | break; | |
760 | ||
bbe63281 LP |
761 | case ARG_LOG_COLOR: |
762 | ||
d0b170c8 | 763 | if (optarg) { |
fb472900 ZJS |
764 | r = log_show_color_from_string(optarg); |
765 | if (r < 0) { | |
d0b170c8 LP |
766 | log_error("Failed to parse log color setting %s.", optarg); |
767 | return r; | |
768 | } | |
769 | } else | |
770 | log_show_color(true); | |
bbe63281 LP |
771 | |
772 | break; | |
773 | ||
774 | case ARG_LOG_LOCATION: | |
d0b170c8 | 775 | if (optarg) { |
fb472900 ZJS |
776 | r = log_show_location_from_string(optarg); |
777 | if (r < 0) { | |
d0b170c8 LP |
778 | log_error("Failed to parse log location setting %s.", optarg); |
779 | return r; | |
780 | } | |
781 | } else | |
782 | log_show_location(true); | |
bbe63281 LP |
783 | |
784 | break; | |
785 | ||
0a494f1f | 786 | case ARG_DEFAULT_STD_OUTPUT: |
fb472900 ZJS |
787 | r = exec_output_from_string(optarg); |
788 | if (r < 0) { | |
0a494f1f LP |
789 | log_error("Failed to parse default standard output setting %s.", optarg); |
790 | return r; | |
791 | } else | |
792 | arg_default_std_output = r; | |
793 | break; | |
794 | ||
795 | case ARG_DEFAULT_STD_ERROR: | |
fb472900 ZJS |
796 | r = exec_output_from_string(optarg); |
797 | if (r < 0) { | |
0a494f1f LP |
798 | log_error("Failed to parse default standard error output setting %s.", optarg); |
799 | return r; | |
800 | } else | |
801 | arg_default_std_error = r; | |
802 | break; | |
803 | ||
2f198e2f | 804 | case ARG_UNIT: |
f170852a | 805 | |
fb472900 | 806 | r = set_default_unit(optarg); |
23bbb0de MS |
807 | if (r < 0) |
808 | return log_error_errno(r, "Failed to set default unit %s: %m", optarg); | |
f170852a LP |
809 | |
810 | break; | |
811 | ||
edb9aaa8 | 812 | case ARG_SYSTEM: |
b2c23da8 | 813 | arg_running_as = MANAGER_SYSTEM; |
edb9aaa8 | 814 | break; |
a5dab5ce | 815 | |
af2d49f7 | 816 | case ARG_USER: |
b2c23da8 | 817 | arg_running_as = MANAGER_USER; |
a5dab5ce | 818 | break; |
a5dab5ce | 819 | |
e965d56d | 820 | case ARG_TEST: |
fa0f4d8a | 821 | arg_action = ACTION_TEST; |
b87c2aa6 ZJS |
822 | if (arg_no_pager < 0) |
823 | arg_no_pager = true; | |
824 | break; | |
825 | ||
826 | case ARG_NO_PAGER: | |
827 | arg_no_pager = true; | |
e965d56d LP |
828 | break; |
829 | ||
9ba0bc4e ZJS |
830 | case ARG_VERSION: |
831 | arg_action = ACTION_VERSION; | |
832 | break; | |
833 | ||
e537352b | 834 | case ARG_DUMP_CONFIGURATION_ITEMS: |
fa0f4d8a | 835 | arg_action = ACTION_DUMP_CONFIGURATION_ITEMS; |
e537352b LP |
836 | break; |
837 | ||
9e58ff9c | 838 | case ARG_DUMP_CORE: |
a5d87bf0 LP |
839 | r = optarg ? parse_boolean(optarg) : 1; |
840 | if (r < 0) { | |
841 | log_error("Failed to parse dump core boolean %s.", optarg); | |
842 | return r; | |
843 | } | |
844 | arg_dump_core = r; | |
9e58ff9c LP |
845 | break; |
846 | ||
847 | case ARG_CRASH_SHELL: | |
a5d87bf0 LP |
848 | r = optarg ? parse_boolean(optarg) : 1; |
849 | if (r < 0) { | |
850 | log_error("Failed to parse crash shell boolean %s.", optarg); | |
851 | return r; | |
852 | } | |
853 | arg_crash_shell = r; | |
9e58ff9c LP |
854 | break; |
855 | ||
80876c20 | 856 | case ARG_CONFIRM_SPAWN: |
a5d87bf0 LP |
857 | r = optarg ? parse_boolean(optarg) : 1; |
858 | if (r < 0) { | |
859 | log_error("Failed to parse confirm spawn boolean %s.", optarg); | |
860 | return r; | |
861 | } | |
862 | arg_confirm_spawn = r; | |
80876c20 LP |
863 | break; |
864 | ||
9e58ff9c | 865 | case ARG_SHOW_STATUS: |
d450b6f2 ZJS |
866 | if (optarg) { |
867 | r = parse_show_status(optarg, &arg_show_status); | |
868 | if (r < 0) { | |
869 | log_error("Failed to parse show status boolean %s.", optarg); | |
870 | return r; | |
871 | } | |
872 | } else | |
873 | arg_show_status = SHOW_STATUS_YES; | |
6e98720f | 874 | break; |
a5d87bf0 | 875 | |
a16e1123 LP |
876 | case ARG_DESERIALIZE: { |
877 | int fd; | |
878 | FILE *f; | |
879 | ||
01e10de3 LP |
880 | r = safe_atoi(optarg, &fd); |
881 | if (r < 0 || fd < 0) { | |
a16e1123 | 882 | log_error("Failed to parse deserialize option %s.", optarg); |
01e10de3 | 883 | return r < 0 ? r : -EINVAL; |
a16e1123 LP |
884 | } |
885 | ||
01e10de3 LP |
886 | fd_cloexec(fd, true); |
887 | ||
888 | f = fdopen(fd, "r"); | |
4a62c710 MS |
889 | if (!f) |
890 | return log_error_errno(errno, "Failed to open serialization fd: %m"); | |
a16e1123 | 891 | |
74ca738f | 892 | safe_fclose(arg_serialization); |
a16e1123 | 893 | |
d3b1c508 | 894 | arg_serialization = f; |
a16e1123 LP |
895 | |
896 | break; | |
897 | } | |
898 | ||
2660882b | 899 | case ARG_SWITCHED_ROOT: |
bf4df7c3 | 900 | arg_switched_root = true; |
d03bc1b8 HH |
901 | break; |
902 | ||
f170852a | 903 | case 'h': |
fa0f4d8a | 904 | arg_action = ACTION_HELP; |
b87c2aa6 ZJS |
905 | if (arg_no_pager < 0) |
906 | arg_no_pager = true; | |
f170852a LP |
907 | break; |
908 | ||
1d2e23ab LP |
909 | case 'D': |
910 | log_set_max_level(LOG_DEBUG); | |
911 | break; | |
912 | ||
099663ff LP |
913 | case 'b': |
914 | case 's': | |
915 | case 'z': | |
916 | /* Just to eat away the sysvinit kernel | |
917 | * cmdline args without getopt() error | |
918 | * messages that we'll parse in | |
919 | * parse_proc_cmdline_word() or ignore. */ | |
f170852a | 920 | |
099663ff | 921 | case '?': |
601185b4 | 922 | if (getpid() != 1) |
099663ff | 923 | return -EINVAL; |
601185b4 ZJS |
924 | else |
925 | return 0; | |
099663ff | 926 | |
601185b4 ZJS |
927 | default: |
928 | assert_not_reached("Unhandled option code."); | |
f170852a LP |
929 | } |
930 | ||
d821e6d6 LP |
931 | if (optind < argc && getpid() != 1) { |
932 | /* Hmm, when we aren't run as init system | |
933 | * let's complain about excess arguments */ | |
934 | ||
935 | log_error("Excess arguments."); | |
936 | return -EINVAL; | |
937 | } | |
938 | ||
f170852a LP |
939 | return 0; |
940 | } | |
941 | ||
942 | static int help(void) { | |
943 | ||
2e33c433 | 944 | printf("%s [OPTIONS...]\n\n" |
af2d49f7 | 945 | "Starts up and maintains the system or user services.\n\n" |
e537352b | 946 | " -h --help Show this help\n" |
e537352b | 947 | " --test Determine startup sequence, dump it and exit\n" |
b87c2aa6 | 948 | " --no-pager Do not pipe output into a pager\n" |
80876c20 | 949 | " --dump-configuration-items Dump understood unit configuration items\n" |
9e58ff9c | 950 | " --unit=UNIT Set default unit\n" |
edb9aaa8 | 951 | " --system Run a system instance, even if PID != 1\n" |
af2d49f7 | 952 | " --user Run a user instance\n" |
a5d87bf0 LP |
953 | " --dump-core[=0|1] Dump core on crash\n" |
954 | " --crash-shell[=0|1] Run shell on crash\n" | |
955 | " --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n" | |
6e98720f | 956 | " --show-status[=0|1] Show status updates on the console during bootup\n" |
c1dc6153 | 957 | " --log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)\n" |
9e58ff9c | 958 | " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n" |
2218198b | 959 | " --log-color[=0|1] Highlight important log messages\n" |
0a494f1f LP |
960 | " --log-location[=0|1] Include code location in log messages\n" |
961 | " --default-standard-output= Set default standard output for services\n" | |
962 | " --default-standard-error= Set default standard error output for services\n", | |
5b6319dc | 963 | program_invocation_short_name); |
f170852a LP |
964 | |
965 | return 0; | |
966 | } | |
967 | ||
9ba0bc4e ZJS |
968 | static int version(void) { |
969 | puts(PACKAGE_STRING); | |
9ba0bc4e ZJS |
970 | puts(SYSTEMD_FEATURES); |
971 | ||
972 | return 0; | |
973 | } | |
974 | ||
b3680f49 | 975 | static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) { |
a16e1123 LP |
976 | FILE *f = NULL; |
977 | FDSet *fds = NULL; | |
978 | int r; | |
979 | ||
980 | assert(m); | |
981 | assert(_f); | |
982 | assert(_fds); | |
983 | ||
6b78f9b4 LP |
984 | r = manager_open_serialization(m, &f); |
985 | if (r < 0) { | |
da927ba9 | 986 | log_error_errno(r, "Failed to create serialization file: %m"); |
a16e1123 LP |
987 | goto fail; |
988 | } | |
989 | ||
71445ae7 LP |
990 | /* Make sure nothing is really destructed when we shut down */ |
991 | m->n_reloading ++; | |
718db961 | 992 | bus_manager_send_reloading(m, true); |
71445ae7 | 993 | |
6b78f9b4 LP |
994 | fds = fdset_new(); |
995 | if (!fds) { | |
a16e1123 | 996 | r = -ENOMEM; |
da927ba9 | 997 | log_error_errno(r, "Failed to allocate fd set: %m"); |
a16e1123 LP |
998 | goto fail; |
999 | } | |
1000 | ||
b3680f49 | 1001 | r = manager_serialize(m, f, fds, switching_root); |
6b78f9b4 | 1002 | if (r < 0) { |
da927ba9 | 1003 | log_error_errno(r, "Failed to serialize state: %m"); |
a16e1123 LP |
1004 | goto fail; |
1005 | } | |
1006 | ||
1007 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
56f64d95 | 1008 | log_error_errno(errno, "Failed to rewind serialization fd: %m"); |
a16e1123 LP |
1009 | goto fail; |
1010 | } | |
1011 | ||
6b78f9b4 LP |
1012 | r = fd_cloexec(fileno(f), false); |
1013 | if (r < 0) { | |
da927ba9 | 1014 | log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m"); |
a16e1123 LP |
1015 | goto fail; |
1016 | } | |
1017 | ||
6b78f9b4 LP |
1018 | r = fdset_cloexec(fds, false); |
1019 | if (r < 0) { | |
da927ba9 | 1020 | log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m"); |
a16e1123 LP |
1021 | goto fail; |
1022 | } | |
1023 | ||
1024 | *_f = f; | |
1025 | *_fds = fds; | |
1026 | ||
1027 | return 0; | |
1028 | ||
1029 | fail: | |
1030 | fdset_free(fds); | |
1031 | ||
74ca738f | 1032 | safe_fclose(f); |
a16e1123 LP |
1033 | |
1034 | return r; | |
1035 | } | |
1036 | ||
4096d6f5 LP |
1037 | static int bump_rlimit_nofile(struct rlimit *saved_rlimit) { |
1038 | struct rlimit nl; | |
1039 | int r; | |
1040 | ||
1041 | assert(saved_rlimit); | |
1042 | ||
1043 | /* Save the original RLIMIT_NOFILE so that we can reset it | |
1044 | * later when transitioning from the initrd to the main | |
1045 | * systemd or suchlike. */ | |
4a62c710 MS |
1046 | if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) |
1047 | return log_error_errno(errno, "Reading RLIMIT_NOFILE failed: %m"); | |
4096d6f5 LP |
1048 | |
1049 | /* Make sure forked processes get the default kernel setting */ | |
1050 | if (!arg_default_rlimit[RLIMIT_NOFILE]) { | |
1051 | struct rlimit *rl; | |
1052 | ||
1053 | rl = newdup(struct rlimit, saved_rlimit, 1); | |
1054 | if (!rl) | |
1055 | return log_oom(); | |
1056 | ||
1057 | arg_default_rlimit[RLIMIT_NOFILE] = rl; | |
1058 | } | |
1059 | ||
1060 | /* Bump up the resource limit for ourselves substantially */ | |
1061 | nl.rlim_cur = nl.rlim_max = 64*1024; | |
1062 | r = setrlimit_closest(RLIMIT_NOFILE, &nl); | |
23bbb0de MS |
1063 | if (r < 0) |
1064 | return log_error_errno(r, "Setting RLIMIT_NOFILE failed: %m"); | |
4096d6f5 LP |
1065 | |
1066 | return 0; | |
1067 | } | |
1068 | ||
6ee5bbf8 | 1069 | static void test_mtab(void) { |
6ee5bbf8 | 1070 | |
5b4c0131 LP |
1071 | static const char ok[] = |
1072 | "/proc/self/mounts\0" | |
1073 | "/proc/mounts\0" | |
1074 | "../proc/self/mounts\0" | |
1075 | "../proc/mounts\0"; | |
80758717 | 1076 | |
5b4c0131 LP |
1077 | _cleanup_free_ char *p = NULL; |
1078 | int r; | |
6ee5bbf8 | 1079 | |
5b4c0131 LP |
1080 | /* Check that /etc/mtab is a symlink to the right place or |
1081 | * non-existing. But certainly not a file, or a symlink to | |
1082 | * some weird place... */ | |
6ee5bbf8 | 1083 | |
5b4c0131 LP |
1084 | r = readlink_malloc("/etc/mtab", &p); |
1085 | if (r == -ENOENT) | |
1086 | return; | |
1087 | if (r >= 0 && nulstr_contains(ok, p)) | |
1088 | return; | |
6ee5bbf8 | 1089 | |
bcce7187 DM |
1090 | log_error("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. " |
1091 | "This is not supported anymore. " | |
1092 | "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output."); | |
1093 | freeze(); | |
80758717 LP |
1094 | } |
1095 | ||
1096 | static void test_usr(void) { | |
80758717 | 1097 | |
ed1c99fc | 1098 | /* Check that /usr is not a separate fs */ |
80758717 | 1099 | |
871c44a7 LP |
1100 | if (dir_is_empty("/usr") <= 0) |
1101 | return; | |
1102 | ||
8b173b5e | 1103 | log_warning("/usr appears to be on its own filesystem and is not already mounted. This is not a supported setup. " |
871c44a7 LP |
1104 | "Some things will probably break (sometimes even silently) in mysterious ways. " |
1105 | "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information."); | |
1106 | } | |
1107 | ||
a07fdfa3 LP |
1108 | static int initialize_join_controllers(void) { |
1109 | /* By default, mount "cpu" + "cpuacct" together, and "net_cls" | |
1110 | * + "net_prio". We'd like to add "cpuset" to the mix, but | |
f131770b | 1111 | * "cpuset" doesn't really work for groups with no initialized |
a07fdfa3 LP |
1112 | * attributes. */ |
1113 | ||
1114 | arg_join_controllers = new(char**, 3); | |
1115 | if (!arg_join_controllers) | |
1116 | return -ENOMEM; | |
1117 | ||
1118 | arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL); | |
a07fdfa3 | 1119 | arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL); |
a6b26d90 ZJS |
1120 | arg_join_controllers[2] = NULL; |
1121 | ||
1122 | if (!arg_join_controllers[0] || !arg_join_controllers[1]) { | |
1123 | free_join_controllers(); | |
a07fdfa3 | 1124 | return -ENOMEM; |
a6b26d90 | 1125 | } |
a07fdfa3 | 1126 | |
a07fdfa3 LP |
1127 | return 0; |
1128 | } | |
1129 | ||
d3b1c508 LP |
1130 | static int enforce_syscall_archs(Set *archs) { |
1131 | #ifdef HAVE_SECCOMP | |
1132 | scmp_filter_ctx *seccomp; | |
1133 | Iterator i; | |
1134 | void *id; | |
1135 | int r; | |
1136 | ||
1137 | seccomp = seccomp_init(SCMP_ACT_ALLOW); | |
1138 | if (!seccomp) | |
1139 | return log_oom(); | |
1140 | ||
1141 | SET_FOREACH(id, arg_syscall_archs, i) { | |
1142 | r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1); | |
1143 | if (r == -EEXIST) | |
1144 | continue; | |
1145 | if (r < 0) { | |
da927ba9 | 1146 | log_error_errno(r, "Failed to add architecture to seccomp: %m"); |
d3b1c508 LP |
1147 | goto finish; |
1148 | } | |
1149 | } | |
1150 | ||
8a8bf3c0 LP |
1151 | r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0); |
1152 | if (r < 0) { | |
da927ba9 | 1153 | log_error_errno(r, "Failed to unset NO_NEW_PRIVS: %m"); |
8a8bf3c0 LP |
1154 | goto finish; |
1155 | } | |
1156 | ||
d3b1c508 LP |
1157 | r = seccomp_load(seccomp); |
1158 | if (r < 0) | |
da927ba9 | 1159 | log_error_errno(r, "Failed to add install architecture seccomp: %m"); |
d3b1c508 LP |
1160 | |
1161 | finish: | |
1162 | seccomp_release(seccomp); | |
1163 | return r; | |
1164 | #else | |
1165 | return 0; | |
1166 | #endif | |
1167 | } | |
1168 | ||
b6e2f329 LP |
1169 | static int status_welcome(void) { |
1170 | _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL; | |
1171 | int r; | |
1172 | ||
1173 | r = parse_env_file("/etc/os-release", NEWLINE, | |
1174 | "PRETTY_NAME", &pretty_name, | |
1175 | "ANSI_COLOR", &ansi_color, | |
1176 | NULL); | |
ece174c5 | 1177 | if (r == -ENOENT) |
5ae4d543 LP |
1178 | r = parse_env_file("/usr/lib/os-release", NEWLINE, |
1179 | "PRETTY_NAME", &pretty_name, | |
1180 | "ANSI_COLOR", &ansi_color, | |
1181 | NULL); | |
b6e2f329 LP |
1182 | |
1183 | if (r < 0 && r != -ENOENT) | |
da927ba9 | 1184 | log_warning_errno(r, "Failed to read os-release file: %m"); |
b6e2f329 LP |
1185 | |
1186 | return status_printf(NULL, false, false, | |
1187 | "\nWelcome to \x1B[%sm%s\x1B[0m!\n", | |
1188 | isempty(ansi_color) ? "1" : ansi_color, | |
1189 | isempty(pretty_name) ? "Linux" : pretty_name); | |
1190 | } | |
1191 | ||
fdd25311 LP |
1192 | static int write_container_id(void) { |
1193 | const char *c; | |
1194 | ||
1195 | c = getenv("container"); | |
1196 | if (isempty(c)) | |
1197 | return 0; | |
1198 | ||
4c1fc3e4 | 1199 | return write_string_file("/run/systemd/container", c, WRITE_STRING_FILE_CREATE); |
fdd25311 LP |
1200 | } |
1201 | ||
60918275 LP |
1202 | int main(int argc, char *argv[]) { |
1203 | Manager *m = NULL; | |
22f4096c | 1204 | int r, retval = EXIT_FAILURE; |
9d76d730 LP |
1205 | usec_t before_startup, after_startup; |
1206 | char timespan[FORMAT_TIMESPAN_MAX]; | |
a16e1123 LP |
1207 | FDSet *fds = NULL; |
1208 | bool reexecute = false; | |
b9080b03 | 1209 | const char *shutdown_verb = NULL; |
86caf095 LP |
1210 | dual_timestamp initrd_timestamp = DUAL_TIMESTAMP_NULL; |
1211 | dual_timestamp userspace_timestamp = DUAL_TIMESTAMP_NULL; | |
1212 | dual_timestamp kernel_timestamp = DUAL_TIMESTAMP_NULL; | |
1213 | dual_timestamp security_start_timestamp = DUAL_TIMESTAMP_NULL; | |
1214 | dual_timestamp security_finish_timestamp = DUAL_TIMESTAMP_NULL; | |
5d6b1584 | 1215 | static char systemd[] = "systemd"; |
2660882b | 1216 | bool skip_setup = false; |
d3b1c508 | 1217 | unsigned j; |
0b3325e7 | 1218 | bool loaded_policy = false; |
e96d6be7 | 1219 | bool arm_reboot_watchdog = false; |
bf4df7c3 | 1220 | bool queue_default_job = false; |
5f5c2f38 | 1221 | bool empty_etc = false; |
41669317 | 1222 | char *switch_root_dir = NULL, *switch_root_init = NULL; |
86caf095 | 1223 | struct rlimit saved_rlimit_nofile = RLIMIT_MAKE_CONST(0); |
cb6531be | 1224 | const char *error_message = NULL; |
287419c1 | 1225 | uint8_t shutdown_exit_code = 0; |
27b14a22 | 1226 | |
058dc6f3 | 1227 | #ifdef HAVE_SYSV_COMPAT |
2cb1a60d | 1228 | if (getpid() != 1 && strstr(program_invocation_short_name, "init")) { |
35b8ca3a | 1229 | /* This is compatibility support for SysV, where |
2cb1a60d LP |
1230 | * calling init as a user is identical to telinit. */ |
1231 | ||
1232 | errno = -ENOENT; | |
1233 | execv(SYSTEMCTL_BINARY_PATH, argv); | |
56f64d95 | 1234 | log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m"); |
2cb1a60d LP |
1235 | return 1; |
1236 | } | |
058dc6f3 | 1237 | #endif |
2cb1a60d | 1238 | |
c3a170f3 HH |
1239 | dual_timestamp_from_monotonic(&kernel_timestamp, 0); |
1240 | dual_timestamp_get(&userspace_timestamp); | |
1241 | ||
0b3325e7 LP |
1242 | /* Determine if this is a reexecution or normal bootup. We do |
1243 | * the full command line parsing much later, so let's just | |
1244 | * have a quick peek here. */ | |
db813c2a LP |
1245 | if (strv_find(argv+1, "--deserialize")) |
1246 | skip_setup = true; | |
0b3325e7 | 1247 | |
2660882b LP |
1248 | /* If we have switched root, do all the special setup |
1249 | * things */ | |
db813c2a LP |
1250 | if (strv_find(argv+1, "--switched-root")) |
1251 | skip_setup = false; | |
d03bc1b8 | 1252 | |
f3b6a3ed LP |
1253 | /* If we get started via the /sbin/init symlink then we are |
1254 | called 'init'. After a subsequent reexecution we are then | |
1255 | called 'systemd'. That is confusing, hence let's call us | |
1256 | systemd right-away. */ | |
f3b6a3ed LP |
1257 | program_invocation_short_name = systemd; |
1258 | prctl(PR_SET_NAME, systemd); | |
5d6b1584 | 1259 | |
9a0e6896 LP |
1260 | saved_argv = argv; |
1261 | saved_argc = argc; | |
f3b6a3ed | 1262 | |
2cc59dbf | 1263 | log_show_color(isatty(STDERR_FILENO) > 0); |
c1dc6153 | 1264 | log_set_upgrade_syslog_to_journal(true); |
bbe63281 | 1265 | |
90dc8c2e MG |
1266 | /* Disable the umask logic */ |
1267 | if (getpid() == 1) | |
1268 | umask(0); | |
1269 | ||
75f86906 | 1270 | if (getpid() == 1 && detect_container() <= 0) { |
4f8d551f | 1271 | |
a866073d | 1272 | /* Running outside of a container as PID 1 */ |
b2c23da8 | 1273 | arg_running_as = MANAGER_SYSTEM; |
a866073d LP |
1274 | make_null_stdio(); |
1275 | log_set_target(LOG_TARGET_KMSG); | |
1276 | log_open(); | |
1277 | ||
21bf2ab0 | 1278 | if (in_initrd()) |
c3a170f3 | 1279 | initrd_timestamp = userspace_timestamp; |
c3ba6250 | 1280 | |
2660882b | 1281 | if (!skip_setup) { |
8f838d8a | 1282 | mount_setup_early(); |
c2e0d600 | 1283 | dual_timestamp_get(&security_start_timestamp); |
cb6531be ZJS |
1284 | if (mac_selinux_setup(&loaded_policy) < 0) { |
1285 | error_message = "Failed to load SELinux policy"; | |
0b3325e7 | 1286 | goto finish; |
cb6531be ZJS |
1287 | } else if (ima_setup() < 0) { |
1288 | error_message = "Failed to load IMA policy"; | |
81611586 | 1289 | goto finish; |
cb6531be ZJS |
1290 | } else if (mac_smack_setup(&loaded_policy) < 0) { |
1291 | error_message = "Failed to load SMACK policy"; | |
ffbd2c4d | 1292 | goto finish; |
cb6531be | 1293 | } |
c2e0d600 | 1294 | dual_timestamp_get(&security_finish_timestamp); |
81611586 | 1295 | } |
0b3325e7 | 1296 | |
cb6531be ZJS |
1297 | if (mac_selinux_init(NULL) < 0) { |
1298 | error_message = "Failed to initialize SELinux policy"; | |
0ff4cdd9 | 1299 | goto finish; |
cb6531be | 1300 | } |
7948c4df | 1301 | |
72edcff5 | 1302 | if (!skip_setup) { |
24efb112 | 1303 | if (clock_is_localtime() > 0) { |
0b3325e7 | 1304 | int min; |
7948c4df | 1305 | |
c264aeab KS |
1306 | /* |
1307 | * The very first call of settimeofday() also does a time warp in the kernel. | |
1308 | * | |
1309 | * In the rtc-in-local time mode, we set the kernel's timezone, and rely on | |
1310 | * external tools to take care of maintaining the RTC and do all adjustments. | |
1311 | * This matches the behavior of Windows, which leaves the RTC alone if the | |
1312 | * registry tells that the RTC runs in UTC. | |
1313 | */ | |
24efb112 | 1314 | r = clock_set_timezone(&min); |
0b3325e7 | 1315 | if (r < 0) |
da927ba9 | 1316 | log_error_errno(r, "Failed to apply local time delta, ignoring: %m"); |
0b3325e7 LP |
1317 | else |
1318 | log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min); | |
19e65613 KS |
1319 | } else if (!in_initrd()) { |
1320 | /* | |
c264aeab | 1321 | * Do a dummy very first call to seal the kernel's time warp magic. |
19e65613 KS |
1322 | * |
1323 | * Do not call this this from inside the initrd. The initrd might not | |
1324 | * carry /etc/adjtime with LOCAL, but the real system could be set up | |
1325 | * that way. In such case, we need to delay the time-warp or the sealing | |
1326 | * until we reach the real system. | |
c264aeab KS |
1327 | * |
1328 | * Do no set the kernel's timezone. The concept of local time cannot | |
1329 | * be supported reliably, the time will jump or be incorrect at every daylight | |
1330 | * saving time change. All kernel local time concepts will be treated | |
1331 | * as UTC that way. | |
19e65613 | 1332 | */ |
c264aeab | 1333 | clock_reset_timewarp(); |
72edcff5 KS |
1334 | } |
1335 | } | |
a866073d LP |
1336 | |
1337 | /* Set the default for later on, but don't actually | |
1338 | * open the logs like this for now. Note that if we | |
1339 | * are transitioning from the initrd there might still | |
1340 | * be journal fd open, and we shouldn't attempt | |
1341 | * opening that before we parsed /proc/cmdline which | |
1342 | * might redirect output elsewhere. */ | |
1343 | log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); | |
1344 | ||
1345 | } else if (getpid() == 1) { | |
a866073d | 1346 | /* Running inside a container, as PID 1 */ |
b2c23da8 | 1347 | arg_running_as = MANAGER_SYSTEM; |
a866073d | 1348 | log_set_target(LOG_TARGET_CONSOLE); |
99f09825 | 1349 | log_close_console(); /* force reopen of /dev/console */ |
a866073d LP |
1350 | log_open(); |
1351 | ||
1352 | /* For the later on, see above... */ | |
1353 | log_set_target(LOG_TARGET_JOURNAL); | |
1354 | ||
c3a170f3 HH |
1355 | /* clear the kernel timestamp, |
1356 | * because we are in a container */ | |
1357 | kernel_timestamp.monotonic = 0ULL; | |
1358 | kernel_timestamp.realtime = 0ULL; | |
a866073d | 1359 | |
c3a170f3 | 1360 | } else { |
a866073d | 1361 | /* Running as user instance */ |
b2c23da8 | 1362 | arg_running_as = MANAGER_USER; |
eeecf6e6 | 1363 | log_set_target(LOG_TARGET_AUTO); |
871e5809 | 1364 | log_open(); |
c3a170f3 HH |
1365 | |
1366 | /* clear the kernel timestamp, | |
1367 | * because we are not PID 1 */ | |
6513d561 | 1368 | kernel_timestamp = DUAL_TIMESTAMP_NULL; |
bbe63281 | 1369 | } |
a5dab5ce | 1370 | |
0c85a4f3 | 1371 | /* Initialize default unit */ |
6afa301b LP |
1372 | r = set_default_unit(SPECIAL_DEFAULT_TARGET); |
1373 | if (r < 0) { | |
da927ba9 | 1374 | log_emergency_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET); |
cb6531be | 1375 | error_message = "Failed to set default unit"; |
f170852a | 1376 | goto finish; |
14212119 | 1377 | } |
60918275 | 1378 | |
a07fdfa3 | 1379 | r = initialize_join_controllers(); |
cb6531be | 1380 | if (r < 0) { |
ff9b60f3 | 1381 | error_message = "Failed to initialize cgroup controllers"; |
0c85a4f3 | 1382 | goto finish; |
cb6531be | 1383 | } |
0c85a4f3 | 1384 | |
f170852a LP |
1385 | /* Mount /proc, /sys and friends, so that /proc/cmdline and |
1386 | * /proc/$PID/fd is available. */ | |
c1dae1b3 | 1387 | if (getpid() == 1) { |
f84f9974 LP |
1388 | |
1389 | /* Load the kernel modules early, so that we kdbus.ko is loaded before kdbusfs shall be mounted */ | |
2e75e2a8 DM |
1390 | if (!skip_setup) |
1391 | kmod_setup(); | |
2e75e2a8 | 1392 | |
0c85a4f3 | 1393 | r = mount_setup(loaded_policy); |
cb6531be ZJS |
1394 | if (r < 0) { |
1395 | error_message = "Failed to mount API filesystems"; | |
8efe3c01 | 1396 | goto finish; |
cb6531be | 1397 | } |
0c85a4f3 | 1398 | } |
4ade7963 LP |
1399 | |
1400 | /* Reset all signal handlers. */ | |
ce30c8dc LP |
1401 | (void) reset_all_signal_handlers(); |
1402 | (void) ignore_signals(SIGNALS_IGNORE, -1); | |
078e4539 | 1403 | |
cb6531be ZJS |
1404 | if (parse_config_file() < 0) { |
1405 | error_message = "Failed to parse config file"; | |
487393e9 | 1406 | goto finish; |
cb6531be | 1407 | } |
487393e9 | 1408 | |
b2c23da8 | 1409 | if (arg_running_as == MANAGER_SYSTEM) { |
b5884878 LP |
1410 | r = parse_proc_cmdline(parse_proc_cmdline_item); |
1411 | if (r < 0) | |
da927ba9 | 1412 | log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m"); |
b5884878 | 1413 | } |
f170852a | 1414 | |
1de1c9c3 LP |
1415 | /* Note that this also parses bits from the kernel command |
1416 | * line, including "debug". */ | |
f170852a LP |
1417 | log_parse_environment(); |
1418 | ||
cb6531be ZJS |
1419 | if (parse_argv(argc, argv) < 0) { |
1420 | error_message = "Failed to parse commandline arguments"; | |
f170852a | 1421 | goto finish; |
cb6531be | 1422 | } |
f170852a | 1423 | |
6bae23a0 TB |
1424 | if (arg_action == ACTION_TEST && |
1425 | geteuid() == 0) { | |
b5c6cf87 LP |
1426 | log_error("Don't run test mode as root."); |
1427 | goto finish; | |
1428 | } | |
1429 | ||
b2c23da8 | 1430 | if (arg_running_as == MANAGER_USER && |
6bae23a0 TB |
1431 | arg_action == ACTION_RUN && |
1432 | sd_booted() <= 0) { | |
1433 | log_error("Trying to run as user instance, but the system has not been booted with systemd."); | |
1434 | goto finish; | |
1435 | } | |
1436 | ||
b2c23da8 | 1437 | if (arg_running_as == MANAGER_SYSTEM && |
fe783b03 LP |
1438 | arg_action == ACTION_RUN && |
1439 | running_in_chroot() > 0) { | |
1440 | log_error("Cannot be run in a chroot() environment."); | |
1441 | goto finish; | |
1442 | } | |
1443 | ||
0d8c31ff ZJS |
1444 | if (arg_action == ACTION_TEST) |
1445 | skip_setup = true; | |
1446 | ||
b87c2aa6 ZJS |
1447 | pager_open_if_enabled(); |
1448 | ||
fa0f4d8a | 1449 | if (arg_action == ACTION_HELP) { |
f170852a LP |
1450 | retval = help(); |
1451 | goto finish; | |
9ba0bc4e ZJS |
1452 | } else if (arg_action == ACTION_VERSION) { |
1453 | retval = version(); | |
1454 | goto finish; | |
fa0f4d8a | 1455 | } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) { |
e537352b | 1456 | unit_dump_config_items(stdout); |
22f4096c | 1457 | retval = EXIT_SUCCESS; |
e537352b | 1458 | goto finish; |
fa0f4d8a | 1459 | } else if (arg_action == ACTION_DONE) { |
22f4096c | 1460 | retval = EXIT_SUCCESS; |
4288f619 | 1461 | goto finish; |
f170852a LP |
1462 | } |
1463 | ||
b2c23da8 | 1464 | if (arg_running_as == MANAGER_USER && |
8be28fb1 KS |
1465 | !getenv("XDG_RUNTIME_DIR")) { |
1466 | log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set."); | |
1467 | goto finish; | |
1468 | } | |
1469 | ||
fa0f4d8a | 1470 | assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST); |
f170852a | 1471 | |
871e5809 LP |
1472 | /* Close logging fds, in order not to confuse fdset below */ |
1473 | log_close(); | |
1474 | ||
a16e1123 | 1475 | /* Remember open file descriptors for later deserialization */ |
01e10de3 LP |
1476 | r = fdset_new_fill(&fds); |
1477 | if (r < 0) { | |
da927ba9 | 1478 | log_emergency_errno(r, "Failed to allocate fd set: %m"); |
cb6531be | 1479 | error_message = "Failed to allocate fd set"; |
01e10de3 LP |
1480 | goto finish; |
1481 | } else | |
1482 | fdset_cloexec(fds, true); | |
a16e1123 | 1483 | |
d3b1c508 LP |
1484 | if (arg_serialization) |
1485 | assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0); | |
a16e1123 | 1486 | |
b2c23da8 | 1487 | if (arg_running_as == MANAGER_SYSTEM) |
80876c20 LP |
1488 | /* Become a session leader if we aren't one yet. */ |
1489 | setsid(); | |
4ade7963 | 1490 | |
befb5b6a | 1491 | /* Move out of the way, so that we won't block unmounts */ |
d250afe7 | 1492 | assert_se(chdir("/") == 0); |
befb5b6a | 1493 | |
2146621b LP |
1494 | /* Reset the console, but only if this is really init and we |
1495 | * are freshly booted */ | |
b2c23da8 | 1496 | if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) { |
56d96fc0 LP |
1497 | |
1498 | /* If we are init, we connect stdin/stdout/stderr to | |
1499 | * /dev/null and make sure we don't have a controlling | |
1500 | * tty. */ | |
1501 | release_terminal(); | |
1502 | ||
1503 | if (getpid() == 1 && !skip_setup) | |
1504 | console_setup(); | |
1505 | } | |
4ade7963 | 1506 | |
18149b9f | 1507 | /* Open the logging devices, if possible and necessary */ |
843d2643 | 1508 | log_open(); |
4ade7963 | 1509 | |
b6e2f329 LP |
1510 | if (arg_show_status == _SHOW_STATUS_UNSET) |
1511 | arg_show_status = SHOW_STATUS_YES; | |
1512 | ||
5373d602 LP |
1513 | /* Make sure we leave a core dump without panicing the |
1514 | * kernel. */ | |
ab422445 | 1515 | if (getpid() == 1) { |
4fc935ca | 1516 | install_crash_handler(); |
97c4f35c | 1517 | |
0c85a4f3 LP |
1518 | r = mount_cgroup_controllers(arg_join_controllers); |
1519 | if (r < 0) | |
1520 | goto finish; | |
1521 | } | |
1522 | ||
b2c23da8 | 1523 | if (arg_running_as == MANAGER_SYSTEM) { |
75f86906 | 1524 | int v; |
c20f5ac7 | 1525 | |
0d8c31ff ZJS |
1526 | log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")", |
1527 | arg_action == ACTION_TEST ? "test " : "" ); | |
c20f5ac7 | 1528 | |
75f86906 LP |
1529 | v = detect_virtualization(); |
1530 | if (v > 0) | |
1531 | log_info("Detected virtualization %s.", virtualization_to_string(v)); | |
c20f5ac7 | 1532 | |
fdd25311 LP |
1533 | write_container_id(); |
1534 | ||
d3f86679 | 1535 | log_info("Detected architecture %s.", architecture_to_string(uname_architecture())); |
d9d93745 | 1536 | |
26a1efdf LP |
1537 | if (in_initrd()) |
1538 | log_info("Running in initial RAM disk."); | |
1539 | ||
3408ba01 LP |
1540 | /* Let's check whether /etc is already populated. We |
1541 | * don't actually really check for that, but use | |
1542 | * /etc/machine-id as flag file. This allows container | |
1543 | * managers and installers to provision a couple of | |
1544 | * files already. If the container manager wants to | |
1545 | * provision the machine ID itself it should pass | |
ee33e53a | 1546 | * $container_uuid to PID 1. */ |
3408ba01 | 1547 | |
baa1bdf7 | 1548 | empty_etc = access("/etc/machine-id", F_OK) < 0; |
5f5c2f38 LP |
1549 | if (empty_etc) |
1550 | log_info("Running with unpopulated /etc."); | |
d8160f21 | 1551 | } else { |
1f97091d LP |
1552 | _cleanup_free_ char *t; |
1553 | ||
1554 | t = uid_to_name(getuid()); | |
0d8c31ff ZJS |
1555 | log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", |
1556 | arg_action == ACTION_TEST ? " test" : "", getuid(), t); | |
d8160f21 | 1557 | } |
a5dab5ce | 1558 | |
b2c23da8 | 1559 | if (arg_running_as == MANAGER_SYSTEM && !skip_setup) { |
031886ed | 1560 | if (arg_show_status > 0) |
888c6216 LP |
1561 | status_welcome(); |
1562 | ||
888c6216 | 1563 | hostname_setup(); |
489388fb | 1564 | machine_id_setup(NULL); |
888c6216 | 1565 | loopback_setup(); |
490aed58 | 1566 | |
6ee5bbf8 | 1567 | test_mtab(); |
80758717 | 1568 | test_usr(); |
af5bc85d | 1569 | } |
302e8c4c | 1570 | |
b2c23da8 | 1571 | if (arg_running_as == MANAGER_SYSTEM && arg_runtime_watchdog > 0) |
e96d6be7 LP |
1572 | watchdog_set_timeout(&arg_runtime_watchdog); |
1573 | ||
3a43da28 | 1574 | if (arg_timer_slack_nsec != NSEC_INFINITY) |
aa0f64ac | 1575 | if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0) |
56f64d95 | 1576 | log_error_errno(errno, "Failed to adjust timer slack: %m"); |
aa0f64ac | 1577 | |
ec8927ca | 1578 | if (arg_capability_bounding_set_drop) { |
31c885e9 | 1579 | r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop); |
ec8927ca | 1580 | if (r < 0) { |
da927ba9 | 1581 | log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m"); |
cb6531be | 1582 | error_message = "Failed to drop capability bounding set of usermode helpers"; |
ec8927ca LP |
1583 | goto finish; |
1584 | } | |
31c885e9 | 1585 | r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true); |
939b8f14 | 1586 | if (r < 0) { |
da927ba9 | 1587 | log_emergency_errno(r, "Failed to drop capability bounding set: %m"); |
cb6531be | 1588 | error_message = "Failed to drop capability bounding set"; |
939b8f14 LP |
1589 | goto finish; |
1590 | } | |
ec8927ca LP |
1591 | } |
1592 | ||
d3b1c508 LP |
1593 | if (arg_syscall_archs) { |
1594 | r = enforce_syscall_archs(arg_syscall_archs); | |
cb6531be ZJS |
1595 | if (r < 0) { |
1596 | error_message = "Failed to set syscall architectures"; | |
d3b1c508 | 1597 | goto finish; |
cb6531be | 1598 | } |
d3b1c508 LP |
1599 | } |
1600 | ||
61b9b203 | 1601 | if (arg_running_as == MANAGER_USER) |
d4447f4d | 1602 | /* Become reaper of our children */ |
61b9b203 | 1603 | if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) |
56f64d95 | 1604 | log_warning_errno(errno, "Failed to make us a subreaper: %m"); |
d4447f4d | 1605 | |
b2c23da8 | 1606 | if (arg_running_as == MANAGER_SYSTEM) { |
4096d6f5 LP |
1607 | bump_rlimit_nofile(&saved_rlimit_nofile); |
1608 | ||
5f5c2f38 | 1609 | if (empty_etc) { |
304b3079 | 1610 | r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_ENABLE_ONLY, false, NULL, 0); |
5f5c2f38 | 1611 | if (r < 0) |
da927ba9 | 1612 | log_warning_errno(r, "Failed to populate /etc with preset unit settings, ignoring: %m"); |
5f5c2f38 LP |
1613 | else |
1614 | log_info("Populated /etc with preset unit settings."); | |
1615 | } | |
1616 | } | |
1617 | ||
0d8c31ff | 1618 | r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m); |
e96d6be7 | 1619 | if (r < 0) { |
da927ba9 | 1620 | log_emergency_errno(r, "Failed to allocate manager object: %m"); |
cb6531be | 1621 | error_message = "Failed to allocate manager object"; |
60918275 LP |
1622 | goto finish; |
1623 | } | |
1624 | ||
9e58ff9c | 1625 | m->confirm_spawn = arg_confirm_spawn; |
e96d6be7 LP |
1626 | m->runtime_watchdog = arg_runtime_watchdog; |
1627 | m->shutdown_watchdog = arg_shutdown_watchdog; | |
c3a170f3 HH |
1628 | m->userspace_timestamp = userspace_timestamp; |
1629 | m->kernel_timestamp = kernel_timestamp; | |
c3a170f3 | 1630 | m->initrd_timestamp = initrd_timestamp; |
c2e0d600 TA |
1631 | m->security_start_timestamp = security_start_timestamp; |
1632 | m->security_finish_timestamp = security_finish_timestamp; | |
9e58ff9c | 1633 | |
06af2a04 | 1634 | manager_set_defaults(m); |
27d340c7 | 1635 | manager_set_show_status(m, arg_show_status); |
e2680723 | 1636 | manager_set_first_boot(m, empty_etc); |
27d340c7 | 1637 | |
bf4df7c3 | 1638 | /* Remember whether we should queue the default job */ |
d3b1c508 | 1639 | queue_default_job = !arg_serialization || arg_switched_root; |
bf4df7c3 | 1640 | |
9d76d730 LP |
1641 | before_startup = now(CLOCK_MONOTONIC); |
1642 | ||
d3b1c508 | 1643 | r = manager_startup(m, arg_serialization, fds); |
e96d6be7 | 1644 | if (r < 0) |
da927ba9 | 1645 | log_error_errno(r, "Failed to fully start up daemon: %m"); |
a16e1123 | 1646 | |
bf4df7c3 LP |
1647 | /* This will close all file descriptors that were opened, but |
1648 | * not claimed by any unit. */ | |
01e10de3 | 1649 | fdset_free(fds); |
6c081276 | 1650 | fds = NULL; |
f50e0a01 | 1651 | |
74ca738f | 1652 | arg_serialization = safe_fclose(arg_serialization); |
bf4df7c3 LP |
1653 | |
1654 | if (queue_default_job) { | |
718db961 | 1655 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
1c27d3f3 | 1656 | Unit *target = NULL; |
bacbccb7 | 1657 | Job *default_unit_job; |
398ef8ba | 1658 | |
fa0f4d8a | 1659 | log_debug("Activating default unit: %s", arg_default_unit); |
a16e1123 | 1660 | |
e96d6be7 | 1661 | r = manager_load_unit(m, arg_default_unit, NULL, &error, &target); |
718db961 LP |
1662 | if (r < 0) |
1663 | log_error("Failed to load default target: %s", bus_error_message(&error, r)); | |
1664 | else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) | |
c33b3297 | 1665 | log_error_errno(target->load_error, "Failed to load default target: %m"); |
ac155bb8 | 1666 | else if (target->load_state == UNIT_MASKED) |
6daf4f90 | 1667 | log_error("Default target masked."); |
27b14a22 | 1668 | |
ac155bb8 | 1669 | if (!target || target->load_state != UNIT_LOADED) { |
a16e1123 | 1670 | log_info("Trying to load rescue target..."); |
1c27d3f3 | 1671 | |
e96d6be7 LP |
1672 | r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target); |
1673 | if (r < 0) { | |
4104970e | 1674 | log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r)); |
cb6531be | 1675 | error_message = "Failed to load rescue target"; |
a16e1123 | 1676 | goto finish; |
11ddb6f4 | 1677 | } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) { |
c33b3297 | 1678 | log_emergency_errno(target->load_error, "Failed to load rescue target: %m"); |
cb6531be | 1679 | error_message = "Failed to load rescue target"; |
1c27d3f3 | 1680 | goto finish; |
ac155bb8 | 1681 | } else if (target->load_state == UNIT_MASKED) { |
4104970e | 1682 | log_emergency("Rescue target masked."); |
cb6531be | 1683 | error_message = "Rescue target masked"; |
00dc5d76 | 1684 | goto finish; |
a16e1123 LP |
1685 | } |
1686 | } | |
37d88da7 | 1687 | |
ac155bb8 | 1688 | assert(target->load_state == UNIT_LOADED); |
00dc5d76 | 1689 | |
fa0f4d8a | 1690 | if (arg_action == ACTION_TEST) { |
40d50879 | 1691 | printf("-> By units:\n"); |
a16e1123 LP |
1692 | manager_dump_units(m, stdout, "\t"); |
1693 | } | |
1694 | ||
95f1b47d | 1695 | r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job); |
ab17a050 | 1696 | if (r == -EPERM) { |
718db961 | 1697 | log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r)); |
ab17a050 LP |
1698 | |
1699 | r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job); | |
1700 | if (r < 0) { | |
4104970e | 1701 | log_emergency("Failed to start default target: %s", bus_error_message(&error, r)); |
cb6531be | 1702 | error_message = "Failed to start default target"; |
ab17a050 LP |
1703 | goto finish; |
1704 | } | |
1705 | } else if (r < 0) { | |
4104970e | 1706 | log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r)); |
cb6531be | 1707 | error_message = "Failed to isolate default target"; |
37d88da7 LP |
1708 | goto finish; |
1709 | } | |
ab17a050 | 1710 | |
bacbccb7 | 1711 | m->default_unit_job_id = default_unit_job->id; |
60918275 | 1712 | |
07672f49 LP |
1713 | after_startup = now(CLOCK_MONOTONIC); |
1714 | log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG, | |
1715 | "Loaded units and determined initial transaction in %s.", | |
fdb14b7e | 1716 | format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC)); |
07672f49 | 1717 | |
fa0f4d8a | 1718 | if (arg_action == ACTION_TEST) { |
40d50879 | 1719 | printf("-> By jobs:\n"); |
a16e1123 | 1720 | manager_dump_jobs(m, stdout, "\t"); |
22f4096c | 1721 | retval = EXIT_SUCCESS; |
a16e1123 LP |
1722 | goto finish; |
1723 | } | |
e965d56d | 1724 | } |
d46de8a1 | 1725 | |
a16e1123 | 1726 | for (;;) { |
e96d6be7 LP |
1727 | r = manager_loop(m); |
1728 | if (r < 0) { | |
da927ba9 | 1729 | log_emergency_errno(r, "Failed to run main loop: %m"); |
cb6531be | 1730 | error_message = "Failed to run main loop"; |
a16e1123 LP |
1731 | goto finish; |
1732 | } | |
11dd41ce | 1733 | |
a16e1123 | 1734 | switch (m->exit_code) { |
e965d56d | 1735 | |
a16e1123 | 1736 | case MANAGER_RELOAD: |
e015090f | 1737 | log_info("Reloading."); |
06af2a04 TB |
1738 | |
1739 | r = parse_config_file(); | |
1740 | if (r < 0) | |
1741 | log_error("Failed to parse config file."); | |
1742 | ||
1743 | manager_set_defaults(m); | |
1744 | ||
e96d6be7 LP |
1745 | r = manager_reload(m); |
1746 | if (r < 0) | |
da927ba9 | 1747 | log_error_errno(r, "Failed to reload: %m"); |
a16e1123 | 1748 | break; |
cea8e32e | 1749 | |
a16e1123 | 1750 | case MANAGER_REEXECUTE: |
664f88a7 | 1751 | |
cb6531be | 1752 | if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) { |
6b9af963 | 1753 | error_message = "Failed to prepare for reexecution"; |
a16e1123 | 1754 | goto finish; |
cb6531be | 1755 | } |
60918275 | 1756 | |
a16e1123 | 1757 | reexecute = true; |
e015090f | 1758 | log_notice("Reexecuting."); |
a16e1123 LP |
1759 | goto finish; |
1760 | ||
664f88a7 LP |
1761 | case MANAGER_SWITCH_ROOT: |
1762 | /* Steal the switch root parameters */ | |
41669317 | 1763 | switch_root_dir = m->switch_root; |
664f88a7 LP |
1764 | switch_root_init = m->switch_root_init; |
1765 | m->switch_root = m->switch_root_init = NULL; | |
1766 | ||
1767 | if (!switch_root_init) | |
cb6531be | 1768 | if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) { |
6b9af963 | 1769 | error_message = "Failed to prepare for reexecution"; |
664f88a7 | 1770 | goto finish; |
cb6531be | 1771 | } |
664f88a7 LP |
1772 | |
1773 | reexecute = true; | |
1774 | log_notice("Switching root."); | |
1775 | goto finish; | |
1776 | ||
287419c1 | 1777 | case MANAGER_EXIT: |
8ebfe0cb DH |
1778 | if (m->running_as == MANAGER_USER) { |
1779 | retval = EXIT_SUCCESS; | |
1780 | log_debug("Exit."); | |
1781 | goto finish; | |
1782 | } | |
1783 | ||
1784 | /* fallthrough */ | |
b9080b03 FF |
1785 | case MANAGER_REBOOT: |
1786 | case MANAGER_POWEROFF: | |
1787 | case MANAGER_HALT: | |
1788 | case MANAGER_KEXEC: { | |
1789 | static const char * const table[_MANAGER_EXIT_CODE_MAX] = { | |
287419c1 | 1790 | [MANAGER_EXIT] = "exit", |
b9080b03 FF |
1791 | [MANAGER_REBOOT] = "reboot", |
1792 | [MANAGER_POWEROFF] = "poweroff", | |
1793 | [MANAGER_HALT] = "halt", | |
1794 | [MANAGER_KEXEC] = "kexec" | |
1795 | }; | |
1796 | ||
1797 | assert_se(shutdown_verb = table[m->exit_code]); | |
e96d6be7 | 1798 | arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT; |
b9080b03 FF |
1799 | |
1800 | log_notice("Shutting down."); | |
1801 | goto finish; | |
1802 | } | |
1803 | ||
a16e1123 LP |
1804 | default: |
1805 | assert_not_reached("Unknown exit code."); | |
1806 | } | |
1807 | } | |
f170852a | 1808 | |
60918275 | 1809 | finish: |
b87c2aa6 ZJS |
1810 | pager_close(); |
1811 | ||
287419c1 | 1812 | if (m) { |
81f5fc2d | 1813 | arg_shutdown_watchdog = m->shutdown_watchdog; |
287419c1 AC |
1814 | shutdown_exit_code = m->return_value; |
1815 | } | |
06d8d842 | 1816 | m = manager_free(m); |
60918275 | 1817 | |
1f6b4113 | 1818 | for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) |
a1e58e8e | 1819 | arg_default_rlimit[j] = mfree(arg_default_rlimit[j]); |
c93ff2e9 | 1820 | |
97b11eed | 1821 | arg_default_unit = mfree(arg_default_unit); |
d3b1c508 | 1822 | |
0c85a4f3 | 1823 | free_join_controllers(); |
b9cd2ec1 | 1824 | |
97b11eed | 1825 | arg_default_environment = strv_free(arg_default_environment); |
d3b1c508 | 1826 | |
525d3cc7 | 1827 | arg_syscall_archs = set_free(arg_syscall_archs); |
d3b1c508 | 1828 | |
cc56fafe | 1829 | mac_selinux_finish(); |
b2bb3dbe | 1830 | |
a16e1123 | 1831 | if (reexecute) { |
664f88a7 | 1832 | const char **args; |
e564a982 | 1833 | unsigned i, args_size; |
a16e1123 | 1834 | |
664f88a7 LP |
1835 | /* Close and disarm the watchdog, so that the new |
1836 | * instance can reinitialize it, but doesn't get | |
1837 | * rebooted while we do that */ | |
1838 | watchdog_close(true); | |
a16e1123 | 1839 | |
4096d6f5 LP |
1840 | /* Reset the RLIMIT_NOFILE to the kernel default, so |
1841 | * that the new systemd can pass the kernel default to | |
1842 | * its child processes */ | |
1843 | if (saved_rlimit_nofile.rlim_cur > 0) | |
1844 | setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile); | |
1845 | ||
41669317 | 1846 | if (switch_root_dir) { |
cee530bb LP |
1847 | /* Kill all remaining processes from the |
1848 | * initrd, but don't wait for them, so that we | |
1849 | * can handle the SIGCHLD for them after | |
1850 | * deserializing. */ | |
0bee65f0 | 1851 | broadcast_signal(SIGTERM, false, true); |
bd3fa1d2 | 1852 | |
5a4bf02f HH |
1853 | /* And switch root with MS_MOVE, because we remove the old directory afterwards and detach it. */ |
1854 | r = switch_root(switch_root_dir, "/mnt", true, MS_MOVE); | |
41669317 | 1855 | if (r < 0) |
da927ba9 | 1856 | log_error_errno(r, "Failed to switch root, trying to continue: %m"); |
41669317 | 1857 | } |
a16e1123 | 1858 | |
d03bc1b8 | 1859 | args_size = MAX(6, argc+1); |
e564a982 | 1860 | args = newa(const char*, args_size); |
a16e1123 | 1861 | |
664f88a7 | 1862 | if (!switch_root_init) { |
5ffa8c81 | 1863 | char sfd[DECIMAL_STR_MAX(int) + 1]; |
a16e1123 | 1864 | |
664f88a7 LP |
1865 | /* First try to spawn ourselves with the right |
1866 | * path, and with full serialization. We do | |
1867 | * this only if the user didn't specify an | |
1868 | * explicit init to spawn. */ | |
edb9aaa8 | 1869 | |
d3b1c508 | 1870 | assert(arg_serialization); |
664f88a7 | 1871 | assert(fds); |
edb9aaa8 | 1872 | |
5ffa8c81 | 1873 | xsprintf(sfd, "%i", fileno(arg_serialization)); |
edb9aaa8 | 1874 | |
664f88a7 LP |
1875 | i = 0; |
1876 | args[i++] = SYSTEMD_BINARY_PATH; | |
41669317 | 1877 | if (switch_root_dir) |
2660882b | 1878 | args[i++] = "--switched-root"; |
b2c23da8 | 1879 | args[i++] = arg_running_as == MANAGER_SYSTEM ? "--system" : "--user"; |
664f88a7 LP |
1880 | args[i++] = "--deserialize"; |
1881 | args[i++] = sfd; | |
1882 | args[i++] = NULL; | |
edb9aaa8 | 1883 | |
ce8aba56 KS |
1884 | /* do not pass along the environment we inherit from the kernel or initrd */ |
1885 | if (switch_root_dir) | |
1886 | clearenv(); | |
1887 | ||
e564a982 | 1888 | assert(i <= args_size); |
664f88a7 LP |
1889 | execv(args[0], (char* const*) args); |
1890 | } | |
6e98720f | 1891 | |
664f88a7 LP |
1892 | /* Try the fallback, if there is any, without any |
1893 | * serialization. We pass the original argv[] and | |
1894 | * envp[]. (Well, modulo the ordering changes due to | |
1895 | * getopt() in argv[], and some cleanups in envp[], | |
1896 | * but let's hope that doesn't matter.) */ | |
a16e1123 | 1897 | |
74ca738f | 1898 | arg_serialization = safe_fclose(arg_serialization); |
a16e1123 | 1899 | |
b8f83232 | 1900 | if (fds) { |
664f88a7 | 1901 | fdset_free(fds); |
b8f83232 LP |
1902 | fds = NULL; |
1903 | } | |
a16e1123 | 1904 | |
a504223d HH |
1905 | /* Reopen the console */ |
1906 | make_console_stdio(); | |
1907 | ||
d3b1c508 | 1908 | for (j = 1, i = 1; j < (unsigned) argc; j++) |
664f88a7 | 1909 | args[i++] = argv[j]; |
a16e1123 | 1910 | args[i++] = NULL; |
e564a982 | 1911 | assert(i <= args_size); |
b8f83232 | 1912 | |
1b6d7fa7 | 1913 | /* Reenable any blocked signals, especially important |
5a85ca1c | 1914 | * if we switch from initial ramdisk to init=... */ |
ce30c8dc LP |
1915 | (void) reset_all_signal_handlers(); |
1916 | (void) reset_signal_mask(); | |
5a85ca1c | 1917 | |
b8f83232 LP |
1918 | if (switch_root_init) { |
1919 | args[0] = switch_root_init; | |
1920 | execv(args[0], (char* const*) args); | |
56f64d95 | 1921 | log_warning_errno(errno, "Failed to execute configured init, trying fallback: %m"); |
b8f83232 LP |
1922 | } |
1923 | ||
1924 | args[0] = "/sbin/init"; | |
a16e1123 LP |
1925 | execv(args[0], (char* const*) args); |
1926 | ||
745e2fb7 KS |
1927 | if (errno == ENOENT) { |
1928 | log_warning("No /sbin/init, trying fallback"); | |
b8f83232 | 1929 | |
745e2fb7 KS |
1930 | args[0] = "/bin/sh"; |
1931 | args[1] = NULL; | |
1932 | execv(args[0], (char* const*) args); | |
56f64d95 | 1933 | log_error_errno(errno, "Failed to execute /bin/sh, giving up: %m"); |
745e2fb7 | 1934 | } else |
56f64d95 | 1935 | log_warning_errno(errno, "Failed to execute /sbin/init, giving up: %m"); |
a16e1123 LP |
1936 | } |
1937 | ||
74ca738f | 1938 | arg_serialization = safe_fclose(arg_serialization); |
a16e1123 | 1939 | |
d3b1c508 | 1940 | if (fds) { |
a16e1123 | 1941 | fdset_free(fds); |
d3b1c508 LP |
1942 | fds = NULL; |
1943 | } | |
a16e1123 | 1944 | |
54b434b1 LP |
1945 | #ifdef HAVE_VALGRIND_VALGRIND_H |
1946 | /* If we are PID 1 and running under valgrind, then let's exit | |
1947 | * here explicitly. valgrind will only generate nice output on | |
1948 | * exit(), not on exec(), hence let's do the former not the | |
1949 | * latter here. */ | |
1950 | if (getpid() == 1 && RUNNING_ON_VALGRIND) | |
1951 | return 0; | |
1952 | #endif | |
1953 | ||
b9080b03 | 1954 | if (shutdown_verb) { |
b1e90ec5 | 1955 | char log_level[DECIMAL_STR_MAX(int) + 1]; |
287419c1 AC |
1956 | char exit_code[DECIMAL_STR_MAX(uint8_t) + 1]; |
1957 | const char* command_line[11] = { | |
b9080b03 FF |
1958 | SYSTEMD_SHUTDOWN_BINARY_PATH, |
1959 | shutdown_verb, | |
b1e90ec5 ZJS |
1960 | "--log-level", log_level, |
1961 | "--log-target", | |
b9080b03 | 1962 | }; |
b1e90ec5 | 1963 | unsigned pos = 5; |
e3e45d4f | 1964 | _cleanup_strv_free_ char **env_block = NULL; |
15bd5aee LP |
1965 | |
1966 | assert(command_line[pos] == NULL); | |
e3e45d4f | 1967 | env_block = strv_copy(environ); |
b9080b03 | 1968 | |
5ffa8c81 | 1969 | xsprintf(log_level, "%d", log_get_max_level()); |
b1e90ec5 ZJS |
1970 | |
1971 | switch (log_get_target()) { | |
1972 | case LOG_TARGET_KMSG: | |
1973 | case LOG_TARGET_JOURNAL_OR_KMSG: | |
1974 | case LOG_TARGET_SYSLOG_OR_KMSG: | |
1975 | command_line[pos++] = "kmsg"; | |
1976 | break; | |
1977 | ||
10f00ff1 ILG |
1978 | case LOG_TARGET_NULL: |
1979 | command_line[pos++] = "null"; | |
1980 | break; | |
1981 | ||
b1e90ec5 ZJS |
1982 | case LOG_TARGET_CONSOLE: |
1983 | default: | |
1984 | command_line[pos++] = "console"; | |
1985 | break; | |
1986 | }; | |
1987 | ||
1988 | if (log_get_show_color()) | |
1989 | command_line[pos++] = "--log-color"; | |
1990 | ||
1991 | if (log_get_show_location()) | |
1992 | command_line[pos++] = "--log-location"; | |
1993 | ||
287419c1 AC |
1994 | if (streq(shutdown_verb, "exit")) { |
1995 | command_line[pos++] = "--exit-code"; | |
1996 | command_line[pos++] = exit_code; | |
1997 | xsprintf(exit_code, "%d", shutdown_exit_code); | |
1998 | } | |
1999 | ||
26abdc73 | 2000 | assert(pos < ELEMENTSOF(command_line)); |
b1e90ec5 | 2001 | |
e96d6be7 | 2002 | if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) { |
e3e45d4f | 2003 | char *e; |
d18f337c | 2004 | |
e96d6be7 LP |
2005 | /* If we reboot let's set the shutdown |
2006 | * watchdog and tell the shutdown binary to | |
2007 | * repeatedly ping it */ | |
c2cc6b9a LP |
2008 | r = watchdog_set_timeout(&arg_shutdown_watchdog); |
2009 | watchdog_close(r < 0); | |
e96d6be7 | 2010 | |
e3e45d4f SP |
2011 | /* Tell the binary how often to ping, ignore failure */ |
2012 | if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0) | |
2013 | strv_push(&env_block, e); | |
2014 | } else | |
e96d6be7 LP |
2015 | watchdog_close(true); |
2016 | ||
66713f77 LP |
2017 | /* Avoid the creation of new processes forked by the |
2018 | * kernel; at this point, we will not listen to the | |
2019 | * signals anyway */ | |
75f86906 | 2020 | if (detect_container() <= 0) |
e155a0aa | 2021 | (void) cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER); |
ad929bcc | 2022 | |
d18f337c | 2023 | execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block); |
56f64d95 | 2024 | log_error_errno(errno, "Failed to execute shutdown binary, %s: %m", |
b1e90ec5 | 2025 | getpid() == 1 ? "freezing" : "quitting"); |
b9080b03 FF |
2026 | } |
2027 | ||
cb6531be ZJS |
2028 | if (getpid() == 1) { |
2029 | if (error_message) | |
2030 | manager_status_printf(NULL, STATUS_TYPE_EMERGENCY, | |
1fc464f6 | 2031 | ANSI_HIGHLIGHT_RED "!!!!!!" ANSI_NORMAL, |
cb6531be | 2032 | "%s, freezing.", error_message); |
c3b3c274 | 2033 | freeze(); |
cb6531be | 2034 | } |
c3b3c274 | 2035 | |
60918275 LP |
2036 | return retval; |
2037 | } |