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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> |
87d1515d | 23 | #include <string.h> |
9152c765 | 24 | #include <signal.h> |
9152c765 LP |
25 | #include <sys/wait.h> |
26 | #include <unistd.h> | |
e46b13c8 ZJS |
27 | #include <sys/inotify.h> |
28 | #include <sys/epoll.h> | |
e1414003 LP |
29 | #include <sys/reboot.h> |
30 | #include <sys/ioctl.h> | |
31 | #include <linux/kd.h> | |
80876c20 | 32 | #include <fcntl.h> |
fe51822e | 33 | #include <dirent.h> |
8742514c | 34 | #include <sys/timerfd.h> |
830f6caa LP |
35 | |
36 | #ifdef HAVE_AUDIT | |
4927fcae | 37 | #include <libaudit.h> |
830f6caa | 38 | #endif |
60918275 | 39 | |
718db961 | 40 | #include "sd-daemon.h" |
718db961 | 41 | #include "sd-messages.h" |
81527be1 | 42 | |
60918275 LP |
43 | #include "hashmap.h" |
44 | #include "macro.h" | |
45 | #include "strv.h" | |
16354eff | 46 | #include "log.h" |
2a987ee8 | 47 | #include "util.h" |
49e942b2 | 48 | #include "mkdir.h" |
ea430986 | 49 | #include "ratelimit.h" |
e21fea24 | 50 | #include "locale-setup.h" |
9e2f7c11 | 51 | #include "unit-name.h" |
1137a57c | 52 | #include "missing.h" |
c6878637 | 53 | #include "rm-rf.h" |
84e3543e | 54 | #include "path-lookup.h" |
514f4ef5 | 55 | #include "special.h" |
d06dacd0 | 56 | #include "exit-status.h" |
5dc4c17f | 57 | #include "virt.h" |
e96d6be7 | 58 | #include "watchdog.h" |
9eb977db | 59 | #include "path-util.h" |
c1165f82 | 60 | #include "audit-fd.h" |
c51d84dc | 61 | #include "boot-timestamps.h" |
8b55b8c4 | 62 | #include "env-util.h" |
96aad8d1 | 63 | #include "bus-common-errors.h" |
718db961 LP |
64 | #include "bus-error.h" |
65 | #include "bus-util.h" | |
e3dd987c | 66 | #include "bus-kernel.h" |
e4746b57 | 67 | #include "time-util.h" |
0b452006 | 68 | #include "process-util.h" |
288a74cc | 69 | #include "terminal-util.h" |
24882e06 LP |
70 | #include "signal-util.h" |
71 | #include "dbus.h" | |
72 | #include "dbus-unit.h" | |
73 | #include "dbus-job.h" | |
74 | #include "dbus-manager.h" | |
75 | #include "manager.h" | |
76 | #include "transaction.h" | |
60918275 | 77 | |
03b717a3 | 78 | /* Initial delay and the interval for printing status messages about running jobs */ |
fd08a840 ZJS |
79 | #define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC) |
80 | #define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3) | |
03b717a3 MS |
81 | #define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3 |
82 | ||
718db961 LP |
83 | static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); |
84 | static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
85 | static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
86 | static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
87 | static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata); | |
752b5905 | 88 | static int manager_dispatch_run_queue(sd_event_source *source, void *userdata); |
e801700e ZJS |
89 | static int manager_run_generators(Manager *m); |
90 | static void manager_undo_generators(Manager *m); | |
718db961 | 91 | |
2ae56591 | 92 | static void manager_watch_jobs_in_progress(Manager *m) { |
e5723c89 | 93 | usec_t next; |
cfa9677b | 94 | int r; |
e5723c89 | 95 | |
718db961 | 96 | assert(m); |
03b717a3 | 97 | |
718db961 | 98 | if (m->jobs_in_progress_event_source) |
2ae56591 | 99 | return; |
03b717a3 | 100 | |
e5723c89 | 101 | next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC; |
cfa9677b | 102 | r = sd_event_add_time( |
6a0f1f6d LP |
103 | m->event, |
104 | &m->jobs_in_progress_event_source, | |
105 | CLOCK_MONOTONIC, | |
106 | next, 0, | |
107 | manager_dispatch_jobs_in_progress, m); | |
cfa9677b MM |
108 | if (r < 0) |
109 | return; | |
7dfbe2e3 TG |
110 | |
111 | (void) sd_event_source_set_description(m->jobs_in_progress_event_source, "manager-jobs-in-progress"); | |
03b717a3 MS |
112 | } |
113 | ||
718db961 | 114 | #define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1)) |
03b717a3 | 115 | |
03b717a3 MS |
116 | static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) { |
117 | char *p = buffer; | |
118 | ||
119 | assert(buflen >= CYLON_BUFFER_EXTRA + width + 1); | |
120 | assert(pos <= width+1); /* 0 or width+1 mean that the center light is behind the corner */ | |
121 | ||
122 | if (pos > 1) { | |
6282c859 MS |
123 | if (pos > 2) |
124 | p = mempset(p, ' ', pos-2); | |
5052495b | 125 | p = stpcpy(p, ANSI_RED_ON); |
03b717a3 MS |
126 | *p++ = '*'; |
127 | } | |
128 | ||
129 | if (pos > 0 && pos <= width) { | |
5052495b | 130 | p = stpcpy(p, ANSI_HIGHLIGHT_RED_ON); |
03b717a3 MS |
131 | *p++ = '*'; |
132 | } | |
133 | ||
5052495b | 134 | p = stpcpy(p, ANSI_HIGHLIGHT_OFF); |
03b717a3 MS |
135 | |
136 | if (pos < width) { | |
5052495b | 137 | p = stpcpy(p, ANSI_RED_ON); |
03b717a3 | 138 | *p++ = '*'; |
6282c859 MS |
139 | if (pos < width-1) |
140 | p = mempset(p, ' ', width-1-pos); | |
51d122af | 141 | strcpy(p, ANSI_HIGHLIGHT_OFF); |
03b717a3 | 142 | } |
03b717a3 MS |
143 | } |
144 | ||
cb8ccb22 | 145 | void manager_flip_auto_status(Manager *m, bool enable) { |
f755e3b7 LP |
146 | assert(m); |
147 | ||
cb8ccb22 ZJS |
148 | if (enable) { |
149 | if (m->show_status == SHOW_STATUS_AUTO) | |
150 | manager_set_show_status(m, SHOW_STATUS_TEMPORARY); | |
151 | } else { | |
152 | if (m->show_status == SHOW_STATUS_TEMPORARY) | |
153 | manager_set_show_status(m, SHOW_STATUS_AUTO); | |
154 | } | |
155 | } | |
156 | ||
03b717a3 | 157 | static void manager_print_jobs_in_progress(Manager *m) { |
718db961 | 158 | _cleanup_free_ char *job_of_n = NULL; |
03b717a3 MS |
159 | Iterator i; |
160 | Job *j; | |
03b717a3 MS |
161 | unsigned counter = 0, print_nr; |
162 | char cylon[6 + CYLON_BUFFER_EXTRA + 1]; | |
163 | unsigned cylon_pos; | |
8bb310c3 ZJS |
164 | char time[FORMAT_TIMESPAN_MAX], limit[FORMAT_TIMESPAN_MAX] = "no limit"; |
165 | uint64_t x; | |
03b717a3 | 166 | |
718db961 | 167 | assert(m); |
9c3349e2 | 168 | assert(m->n_running_jobs > 0); |
718db961 | 169 | |
cb8ccb22 | 170 | manager_flip_auto_status(m, true); |
d450b6f2 | 171 | |
03b717a3 MS |
172 | print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs; |
173 | ||
174 | HASHMAP_FOREACH(j, m->jobs, i) | |
175 | if (j->state == JOB_RUNNING && counter++ == print_nr) | |
176 | break; | |
177 | ||
e970a72e MS |
178 | /* m->n_running_jobs must be consistent with the contents of m->jobs, |
179 | * so the above loop must have succeeded in finding j. */ | |
180 | assert(counter == print_nr + 1); | |
51d122af | 181 | assert(j); |
5a82a91a | 182 | |
03b717a3 MS |
183 | cylon_pos = m->jobs_in_progress_iteration % 14; |
184 | if (cylon_pos >= 8) | |
185 | cylon_pos = 14 - cylon_pos; | |
186 | draw_cylon(cylon, sizeof(cylon), 6, cylon_pos); | |
187 | ||
8bb310c3 ZJS |
188 | m->jobs_in_progress_iteration++; |
189 | ||
d6483ba7 ZJS |
190 | if (m->n_running_jobs > 1) { |
191 | if (asprintf(&job_of_n, "(%u of %u) ", counter, m->n_running_jobs) < 0) | |
192 | job_of_n = NULL; | |
193 | } | |
03b717a3 | 194 | |
8bb310c3 ZJS |
195 | format_timespan(time, sizeof(time), now(CLOCK_MONOTONIC) - j->begin_usec, 1*USEC_PER_SEC); |
196 | if (job_get_timeout(j, &x) > 0) | |
197 | format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC); | |
198 | ||
127d5fd1 | 199 | manager_status_printf(m, STATUS_TYPE_EPHEMERAL, cylon, |
8bb310c3 ZJS |
200 | "%sA %s job is running for %s (%s / %s)", |
201 | strempty(job_of_n), | |
202 | job_type_to_string(j->type), | |
203 | unit_description(j->unit), | |
204 | time, limit); | |
03b717a3 MS |
205 | } |
206 | ||
e46b13c8 ZJS |
207 | static int have_ask_password(void) { |
208 | _cleanup_closedir_ DIR *dir; | |
209 | ||
210 | dir = opendir("/run/systemd/ask-password"); | |
211 | if (!dir) { | |
212 | if (errno == ENOENT) | |
213 | return false; | |
214 | else | |
215 | return -errno; | |
216 | } | |
217 | ||
218 | for (;;) { | |
219 | struct dirent *de; | |
220 | ||
221 | errno = 0; | |
222 | de = readdir(dir); | |
223 | if (!de && errno != 0) | |
224 | return -errno; | |
225 | if (!de) | |
226 | return false; | |
227 | ||
228 | if (startswith(de->d_name, "ask.")) | |
229 | return true; | |
230 | } | |
231 | } | |
232 | ||
233 | static int manager_dispatch_ask_password_fd(sd_event_source *source, | |
234 | int fd, uint32_t revents, void *userdata) { | |
235 | Manager *m = userdata; | |
236 | ||
237 | assert(m); | |
238 | ||
239 | flush_fd(fd); | |
240 | ||
241 | m->have_ask_password = have_ask_password(); | |
242 | if (m->have_ask_password < 0) | |
243 | /* Log error but continue. Negative have_ask_password | |
244 | * is treated as unknown status. */ | |
c33b3297 | 245 | log_error_errno(m->have_ask_password, "Failed to list /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
246 | |
247 | return 0; | |
248 | } | |
249 | ||
250 | static void manager_close_ask_password(Manager *m) { | |
251 | assert(m); | |
252 | ||
e46b13c8 | 253 | m->ask_password_event_source = sd_event_source_unref(m->ask_password_event_source); |
90990e28 | 254 | m->ask_password_inotify_fd = safe_close(m->ask_password_inotify_fd); |
e46b13c8 ZJS |
255 | m->have_ask_password = -EINVAL; |
256 | } | |
257 | ||
258 | static int manager_check_ask_password(Manager *m) { | |
259 | int r; | |
260 | ||
261 | assert(m); | |
262 | ||
263 | if (!m->ask_password_event_source) { | |
264 | assert(m->ask_password_inotify_fd < 0); | |
265 | ||
266 | mkdir_p_label("/run/systemd/ask-password", 0755); | |
267 | ||
268 | m->ask_password_inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); | |
4a62c710 MS |
269 | if (m->ask_password_inotify_fd < 0) |
270 | return log_error_errno(errno, "inotify_init1() failed: %m"); | |
e46b13c8 ZJS |
271 | |
272 | if (inotify_add_watch(m->ask_password_inotify_fd, "/run/systemd/ask-password", IN_CREATE|IN_DELETE|IN_MOVE) < 0) { | |
56f64d95 | 273 | log_error_errno(errno, "Failed to add watch on /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
274 | manager_close_ask_password(m); |
275 | return -errno; | |
276 | } | |
277 | ||
278 | r = sd_event_add_io(m->event, &m->ask_password_event_source, | |
279 | m->ask_password_inotify_fd, EPOLLIN, | |
280 | manager_dispatch_ask_password_fd, m); | |
281 | if (r < 0) { | |
56f64d95 | 282 | log_error_errno(errno, "Failed to add event source for /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
283 | manager_close_ask_password(m); |
284 | return -errno; | |
285 | } | |
286 | ||
7dfbe2e3 TG |
287 | (void) sd_event_source_set_description(m->ask_password_event_source, "manager-ask-password"); |
288 | ||
e46b13c8 ZJS |
289 | /* Queries might have been added meanwhile... */ |
290 | manager_dispatch_ask_password_fd(m->ask_password_event_source, | |
291 | m->ask_password_inotify_fd, EPOLLIN, m); | |
292 | } | |
293 | ||
294 | return m->have_ask_password; | |
295 | } | |
296 | ||
31a7eb86 | 297 | static int manager_watch_idle_pipe(Manager *m) { |
31a7eb86 ZJS |
298 | int r; |
299 | ||
718db961 LP |
300 | assert(m); |
301 | ||
302 | if (m->idle_pipe_event_source) | |
31a7eb86 ZJS |
303 | return 0; |
304 | ||
305 | if (m->idle_pipe[2] < 0) | |
306 | return 0; | |
307 | ||
151b9b96 | 308 | r = sd_event_add_io(m->event, &m->idle_pipe_event_source, m->idle_pipe[2], EPOLLIN, manager_dispatch_idle_pipe_fd, m); |
23bbb0de MS |
309 | if (r < 0) |
310 | return log_error_errno(r, "Failed to watch idle pipe: %m"); | |
31a7eb86 | 311 | |
7dfbe2e3 TG |
312 | (void) sd_event_source_set_description(m->idle_pipe_event_source, "manager-idle-pipe"); |
313 | ||
31a7eb86 | 314 | return 0; |
31a7eb86 ZJS |
315 | } |
316 | ||
718db961 LP |
317 | static void manager_close_idle_pipe(Manager *m) { |
318 | assert(m); | |
31a7eb86 | 319 | |
cd72bd8a LP |
320 | m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source); |
321 | ||
3d94f76c LP |
322 | safe_close_pair(m->idle_pipe); |
323 | safe_close_pair(m->idle_pipe + 2); | |
31a7eb86 ZJS |
324 | } |
325 | ||
8742514c | 326 | static int manager_setup_time_change(Manager *m) { |
718db961 | 327 | int r; |
b92bea5d ZJS |
328 | |
329 | /* We only care for the cancellation event, hence we set the | |
330 | * timeout to the latest possible value. */ | |
331 | struct itimerspec its = { | |
332 | .it_value.tv_sec = TIME_T_MAX, | |
333 | }; | |
8742514c | 334 | |
718db961 LP |
335 | assert(m); |
336 | assert_cc(sizeof(time_t) == sizeof(TIME_T_MAX)); | |
8742514c | 337 | |
0d8c31ff ZJS |
338 | if (m->test_run) |
339 | return 0; | |
340 | ||
8742514c LP |
341 | /* Uses TFD_TIMER_CANCEL_ON_SET to get notifications whenever |
342 | * CLOCK_REALTIME makes a jump relative to CLOCK_MONOTONIC */ | |
343 | ||
718db961 | 344 | m->time_change_fd = timerfd_create(CLOCK_REALTIME, TFD_NONBLOCK|TFD_CLOEXEC); |
4a62c710 MS |
345 | if (m->time_change_fd < 0) |
346 | return log_error_errno(errno, "Failed to create timerfd: %m"); | |
8742514c | 347 | |
718db961 | 348 | if (timerfd_settime(m->time_change_fd, TFD_TIMER_ABSTIME|TFD_TIMER_CANCEL_ON_SET, &its, NULL) < 0) { |
56f64d95 | 349 | log_debug_errno(errno, "Failed to set up TFD_TIMER_CANCEL_ON_SET, ignoring: %m"); |
03e334a1 | 350 | m->time_change_fd = safe_close(m->time_change_fd); |
8742514c LP |
351 | return 0; |
352 | } | |
353 | ||
151b9b96 | 354 | r = sd_event_add_io(m->event, &m->time_change_event_source, m->time_change_fd, EPOLLIN, manager_dispatch_time_change_fd, m); |
23bbb0de MS |
355 | if (r < 0) |
356 | return log_error_errno(r, "Failed to create time change event source: %m"); | |
8742514c | 357 | |
7dfbe2e3 TG |
358 | (void) sd_event_source_set_description(m->time_change_event_source, "manager-time-change"); |
359 | ||
8742514c LP |
360 | log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd."); |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
80876c20 | 365 | static int enable_special_signals(Manager *m) { |
718db961 | 366 | _cleanup_close_ int fd = -1; |
80876c20 LP |
367 | |
368 | assert(m); | |
369 | ||
a41b539e | 370 | /* Enable that we get SIGINT on control-alt-del. In containers |
c9999773 LP |
371 | * this will fail with EPERM (older) or EINVAL (newer), so |
372 | * ignore that. */ | |
373 | if (reboot(RB_DISABLE_CAD) < 0 && errno != EPERM && errno != EINVAL) | |
56f64d95 | 374 | log_warning_errno(errno, "Failed to enable ctrl-alt-del handling: %m"); |
80876c20 | 375 | |
a41b539e LP |
376 | fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC); |
377 | if (fd < 0) { | |
378 | /* Support systems without virtual console */ | |
379 | if (fd != -ENOENT) | |
56f64d95 | 380 | log_warning_errno(errno, "Failed to open /dev/tty0: %m"); |
a41b539e | 381 | } else { |
80876c20 LP |
382 | /* Enable that we get SIGWINCH on kbrequest */ |
383 | if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0) | |
56f64d95 | 384 | log_warning_errno(errno, "Failed to enable kbrequest handling: %m"); |
80876c20 LP |
385 | } |
386 | ||
387 | return 0; | |
388 | } | |
389 | ||
ce578209 | 390 | static int manager_setup_signals(Manager *m) { |
b92bea5d ZJS |
391 | struct sigaction sa = { |
392 | .sa_handler = SIG_DFL, | |
393 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, | |
394 | }; | |
718db961 LP |
395 | sigset_t mask; |
396 | int r; | |
60918275 | 397 | |
ce578209 LP |
398 | assert(m); |
399 | ||
57c0c30e LP |
400 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
401 | ||
4dffec14 LP |
402 | /* We make liberal use of realtime signals here. On |
403 | * Linux/glibc we have 30 of them (with the exception of Linux | |
404 | * on hppa, see below), between SIGRTMIN+0 ... SIGRTMIN+30 | |
405 | * (aka SIGRTMAX). */ | |
7d793605 | 406 | |
4dffec14 | 407 | assert_se(sigemptyset(&mask) == 0); |
7d793605 LP |
408 | sigset_add_many(&mask, |
409 | SIGCHLD, /* Child died */ | |
410 | SIGTERM, /* Reexecute daemon */ | |
411 | SIGHUP, /* Reload configuration */ | |
412 | SIGUSR1, /* systemd/upstart: reconnect to D-Bus */ | |
413 | SIGUSR2, /* systemd: dump status */ | |
414 | SIGINT, /* Kernel sends us this on control-alt-del */ | |
415 | SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */ | |
416 | SIGPWR, /* Some kernel drivers and upsd send us this on power failure */ | |
4dffec14 | 417 | |
7d793605 | 418 | SIGRTMIN+0, /* systemd: start default.target */ |
0003d1ab | 419 | SIGRTMIN+1, /* systemd: isolate rescue.target */ |
7d793605 LP |
420 | SIGRTMIN+2, /* systemd: isolate emergency.target */ |
421 | SIGRTMIN+3, /* systemd: start halt.target */ | |
422 | SIGRTMIN+4, /* systemd: start poweroff.target */ | |
423 | SIGRTMIN+5, /* systemd: start reboot.target */ | |
0003d1ab | 424 | SIGRTMIN+6, /* systemd: start kexec.target */ |
4dffec14 LP |
425 | |
426 | /* ... space for more special targets ... */ | |
427 | ||
0003d1ab LP |
428 | SIGRTMIN+13, /* systemd: Immediate halt */ |
429 | SIGRTMIN+14, /* systemd: Immediate poweroff */ | |
430 | SIGRTMIN+15, /* systemd: Immediate reboot */ | |
431 | SIGRTMIN+16, /* systemd: Immediate kexec */ | |
4dffec14 LP |
432 | |
433 | /* ... space for more immediate system state changes ... */ | |
434 | ||
0658666b LP |
435 | SIGRTMIN+20, /* systemd: enable status messages */ |
436 | SIGRTMIN+21, /* systemd: disable status messages */ | |
253ee27a LP |
437 | SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */ |
438 | SIGRTMIN+23, /* systemd: set log level to LOG_INFO */ | |
600b704e | 439 | SIGRTMIN+24, /* systemd: Immediate exit (--user only) */ |
4dffec14 LP |
440 | |
441 | /* .. one free signal here ... */ | |
442 | ||
443 | #if !defined(__hppa64__) && !defined(__hppa__) | |
444 | /* Apparently Linux on hppa has fewer RT | |
445 | * signals (SIGRTMAX is SIGRTMIN+25 there), | |
446 | * hence let's not try to make use of them | |
447 | * here. Since these commands are accessible | |
448 | * by different means and only really a safety | |
449 | * net, the missing functionality on hppa | |
450 | * shouldn't matter. */ | |
451 | ||
4cfa2c99 | 452 | SIGRTMIN+26, /* systemd: set log target to journal-or-kmsg */ |
253ee27a LP |
453 | SIGRTMIN+27, /* systemd: set log target to console */ |
454 | SIGRTMIN+28, /* systemd: set log target to kmsg */ | |
ee33e53a | 455 | SIGRTMIN+29, /* systemd: set log target to syslog-or-kmsg (obsolete) */ |
4dffec14 LP |
456 | |
457 | /* ... one free signal here SIGRTMIN+30 ... */ | |
458 | #endif | |
7d793605 | 459 | -1); |
ce578209 LP |
460 | assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); |
461 | ||
718db961 LP |
462 | m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); |
463 | if (m->signal_fd < 0) | |
ce578209 LP |
464 | return -errno; |
465 | ||
151b9b96 | 466 | r = sd_event_add_io(m->event, &m->signal_event_source, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m); |
718db961 LP |
467 | if (r < 0) |
468 | return r; | |
ce578209 | 469 | |
7dfbe2e3 TG |
470 | (void) sd_event_source_set_description(m->signal_event_source, "manager-signal"); |
471 | ||
fa28bc2d | 472 | /* Process signals a bit earlier than the rest of things, but |
46849c3f | 473 | * later than notify_fd processing, so that the notify |
fa28bc2d LP |
474 | * processing can still figure out to which process/service a |
475 | * message belongs, before we reap the process. */ | |
29083707 LP |
476 | r = sd_event_source_set_priority(m->signal_event_source, -5); |
477 | if (r < 0) | |
478 | return r; | |
479 | ||
b2c23da8 | 480 | if (m->running_as == MANAGER_SYSTEM) |
80876c20 | 481 | return enable_special_signals(m); |
e1414003 | 482 | |
ce578209 LP |
483 | return 0; |
484 | } | |
485 | ||
f069efb4 LP |
486 | static void manager_clean_environment(Manager *m) { |
487 | assert(m); | |
488 | ||
489 | /* Let's remove some environment variables that we | |
490 | * need ourselves to communicate with our clients */ | |
491 | strv_env_unset_many( | |
492 | m->environment, | |
493 | "NOTIFY_SOCKET", | |
494 | "MAINPID", | |
495 | "MANAGERPID", | |
496 | "LISTEN_PID", | |
497 | "LISTEN_FDS", | |
498 | "WATCHDOG_PID", | |
499 | "WATCHDOG_USEC", | |
500 | NULL); | |
501 | } | |
502 | ||
e21fea24 | 503 | static int manager_default_environment(Manager *m) { |
71ecc858 LP |
504 | assert(m); |
505 | ||
b2c23da8 | 506 | if (m->running_as == MANAGER_SYSTEM) { |
e21fea24 KS |
507 | /* The system manager always starts with a clean |
508 | * environment for its children. It does not import | |
509 | * the kernel or the parents exported variables. | |
510 | * | |
511 | * The initial passed environ is untouched to keep | |
512 | * /proc/self/environ valid; it is used for tagging | |
513 | * the init process inside containers. */ | |
43638332 ZJS |
514 | m->environment = strv_new("PATH=" DEFAULT_PATH, |
515 | NULL); | |
e21fea24 KS |
516 | |
517 | /* Import locale variables LC_*= from configuration */ | |
518 | locale_setup(&m->environment); | |
43d03a83 | 519 | } else { |
e21fea24 KS |
520 | /* The user manager passes its own environment |
521 | * along to its children. */ | |
522 | m->environment = strv_copy(environ); | |
43d03a83 LP |
523 | } |
524 | ||
e21fea24 KS |
525 | if (!m->environment) |
526 | return -ENOMEM; | |
8b55b8c4 | 527 | |
f069efb4 | 528 | manager_clean_environment(m); |
9d5a3757 LP |
529 | strv_sort(m->environment); |
530 | ||
e21fea24 | 531 | return 0; |
71ecc858 LP |
532 | } |
533 | ||
f2341e0a | 534 | |
b2c23da8 | 535 | int manager_new(ManagerRunningAs running_as, bool test_run, Manager **_m) { |
f2341e0a | 536 | |
b2c23da8 LP |
537 | static const char * const unit_log_fields[_MANAGER_RUNNING_AS_MAX] = { |
538 | [MANAGER_SYSTEM] = "UNIT=", | |
539 | [MANAGER_USER] = "USER_UNIT=", | |
f2341e0a LP |
540 | }; |
541 | ||
b2c23da8 LP |
542 | static const char * const unit_log_format_strings[_MANAGER_RUNNING_AS_MAX] = { |
543 | [MANAGER_SYSTEM] = "UNIT=%s", | |
544 | [MANAGER_USER] = "USER_UNIT=%s", | |
f2341e0a LP |
545 | }; |
546 | ||
ce578209 | 547 | Manager *m; |
e3dd987c | 548 | int r; |
8e274523 LP |
549 | |
550 | assert(_m); | |
a5dab5ce | 551 | assert(running_as >= 0); |
b2c23da8 | 552 | assert(running_as < _MANAGER_RUNNING_AS_MAX); |
ce578209 | 553 | |
915b3753 LP |
554 | m = new0(Manager, 1); |
555 | if (!m) | |
8e274523 | 556 | return -ENOMEM; |
60918275 | 557 | |
4f8d551f | 558 | #ifdef ENABLE_EFI |
75f86906 | 559 | if (running_as == MANAGER_SYSTEM && detect_container() <= 0) |
c51d84dc | 560 | boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp); |
4f8d551f ZC |
561 | #endif |
562 | ||
a5dab5ce | 563 | m->running_as = running_as; |
a16e1123 | 564 | m->exit_code = _MANAGER_EXIT_CODE_INVALID; |
bd8f585b | 565 | m->default_timer_accuracy_usec = USEC_PER_MINUTE; |
80876c20 | 566 | |
f2341e0a LP |
567 | /* Prepare log fields we can use for structured logging */ |
568 | m->unit_log_field = unit_log_fields[running_as]; | |
569 | m->unit_log_format_string = unit_log_format_strings[running_as]; | |
570 | ||
718db961 | 571 | m->idle_pipe[0] = m->idle_pipe[1] = m->idle_pipe[2] = m->idle_pipe[3] = -1; |
8742514c | 572 | |
efdb0237 | 573 | m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = |
d379d442 KZ |
574 | m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = m->cgroup_inotify_fd = -1; |
575 | ||
ea430986 | 576 | m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */ |
9152c765 | 577 | |
e46b13c8 ZJS |
578 | m->ask_password_inotify_fd = -1; |
579 | m->have_ask_password = -EINVAL; /* we don't know */ | |
ae2a2c53 | 580 | m->first_boot = -1; |
e46b13c8 | 581 | |
32ee7d33 DM |
582 | m->cgroup_netclass_registry_last = CGROUP_NETCLASS_FIXED_MAX; |
583 | ||
0d8c31ff ZJS |
584 | m->test_run = test_run; |
585 | ||
2e5c94b9 LP |
586 | /* Reboot immediately if the user hits C-A-D more often than 7x per 2s */ |
587 | RATELIMIT_INIT(m->ctrl_alt_del_ratelimit, 2 * USEC_PER_SEC, 7); | |
588 | ||
e21fea24 KS |
589 | r = manager_default_environment(m); |
590 | if (r < 0) | |
1137a57c LP |
591 | goto fail; |
592 | ||
d5099efc | 593 | r = hashmap_ensure_allocated(&m->units, &string_hash_ops); |
718db961 | 594 | if (r < 0) |
60918275 LP |
595 | goto fail; |
596 | ||
d5099efc | 597 | r = hashmap_ensure_allocated(&m->jobs, NULL); |
718db961 | 598 | if (r < 0) |
60918275 LP |
599 | goto fail; |
600 | ||
d5099efc | 601 | r = hashmap_ensure_allocated(&m->cgroup_unit, &string_hash_ops); |
718db961 | 602 | if (r < 0) |
9152c765 LP |
603 | goto fail; |
604 | ||
d5099efc | 605 | r = hashmap_ensure_allocated(&m->watch_bus, &string_hash_ops); |
718db961 | 606 | if (r < 0) |
05e343b7 LP |
607 | goto fail; |
608 | ||
718db961 LP |
609 | r = sd_event_default(&m->event); |
610 | if (r < 0) | |
8742514c LP |
611 | goto fail; |
612 | ||
151b9b96 | 613 | r = sd_event_add_defer(m->event, &m->run_queue_event_source, manager_dispatch_run_queue, m); |
752b5905 LP |
614 | if (r < 0) |
615 | goto fail; | |
616 | ||
617 | r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE); | |
618 | if (r < 0) | |
619 | goto fail; | |
620 | ||
621 | r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF); | |
622 | if (r < 0) | |
623 | goto fail; | |
624 | ||
7dfbe2e3 TG |
625 | (void) sd_event_source_set_description(m->run_queue_event_source, "manager-run-queue"); |
626 | ||
8742514c LP |
627 | r = manager_setup_signals(m); |
628 | if (r < 0) | |
9152c765 LP |
629 | goto fail; |
630 | ||
8742514c LP |
631 | r = manager_setup_cgroup(m); |
632 | if (r < 0) | |
8e274523 LP |
633 | goto fail; |
634 | ||
8742514c LP |
635 | r = manager_setup_time_change(m); |
636 | if (r < 0) | |
8c47c732 LP |
637 | goto fail; |
638 | ||
9670d583 LP |
639 | m->udev = udev_new(); |
640 | if (!m->udev) { | |
641 | r = -ENOMEM; | |
642 | goto fail; | |
643 | } | |
644 | ||
d86f9d52 LP |
645 | /* Note that we set up neither kdbus, nor the notify fd |
646 | * here. We do that after deserialization, since they might | |
647 | * have gotten serialized across the reexec. */ | |
648 | ||
72bc8d00 LP |
649 | m->taint_usr = dir_is_empty("/usr") > 0; |
650 | ||
8e274523 LP |
651 | *_m = m; |
652 | return 0; | |
60918275 LP |
653 | |
654 | fail: | |
655 | manager_free(m); | |
8e274523 | 656 | return r; |
60918275 LP |
657 | } |
658 | ||
d86f9d52 | 659 | static int manager_setup_notify(Manager *m) { |
7181dbdb | 660 | int r; |
d86f9d52 | 661 | |
0d8c31ff ZJS |
662 | if (m->test_run) |
663 | return 0; | |
664 | ||
d86f9d52 LP |
665 | if (m->notify_fd < 0) { |
666 | _cleanup_close_ int fd = -1; | |
920b52e4 | 667 | union sockaddr_union sa = { |
7181dbdb LP |
668 | .sa.sa_family = AF_UNIX, |
669 | }; | |
55836941 | 670 | static const int one = 1; |
d86f9d52 LP |
671 | |
672 | /* First free all secondary fields */ | |
a1e58e8e | 673 | m->notify_socket = mfree(m->notify_socket); |
d86f9d52 LP |
674 | m->notify_event_source = sd_event_source_unref(m->notify_event_source); |
675 | ||
676 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
4a62c710 MS |
677 | if (fd < 0) |
678 | return log_error_errno(errno, "Failed to allocate notification socket: %m"); | |
d86f9d52 | 679 | |
b2c23da8 | 680 | if (m->running_as == MANAGER_SYSTEM) |
7181dbdb | 681 | m->notify_socket = strdup("/run/systemd/notify"); |
498e87d6 | 682 | else { |
7181dbdb | 683 | const char *e; |
d86f9d52 | 684 | |
7181dbdb LP |
685 | e = getenv("XDG_RUNTIME_DIR"); |
686 | if (!e) { | |
56f64d95 | 687 | log_error_errno(errno, "XDG_RUNTIME_DIR is not set: %m"); |
7181dbdb LP |
688 | return -EINVAL; |
689 | } | |
690 | ||
691 | m->notify_socket = strappend(e, "/systemd/notify"); | |
692 | } | |
498e87d6 LP |
693 | if (!m->notify_socket) |
694 | return log_oom(); | |
695 | ||
696 | (void) mkdir_parents_label(m->notify_socket, 0755); | |
f0e62e89 | 697 | (void) unlink(m->notify_socket); |
7181dbdb LP |
698 | |
699 | strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1); | |
700 | r = bind(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + strlen(sa.un.sun_path)); | |
4a62c710 MS |
701 | if (r < 0) |
702 | return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path); | |
d86f9d52 LP |
703 | |
704 | r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)); | |
4a62c710 MS |
705 | if (r < 0) |
706 | return log_error_errno(errno, "SO_PASSCRED failed: %m"); | |
d86f9d52 | 707 | |
d86f9d52 LP |
708 | m->notify_fd = fd; |
709 | fd = -1; | |
710 | ||
711 | log_debug("Using notification socket %s", m->notify_socket); | |
712 | } | |
713 | ||
714 | if (!m->notify_event_source) { | |
151b9b96 | 715 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m); |
895b3a7b MS |
716 | if (r < 0) |
717 | return log_error_errno(r, "Failed to allocate notify event source: %m"); | |
d86f9d52 LP |
718 | |
719 | /* Process signals a bit earlier than SIGCHLD, so that we can | |
720 | * still identify to which service an exit message belongs */ | |
721 | r = sd_event_source_set_priority(m->notify_event_source, -7); | |
23bbb0de MS |
722 | if (r < 0) |
723 | return log_error_errno(r, "Failed to set priority of notify event source: %m"); | |
7dfbe2e3 TG |
724 | |
725 | (void) sd_event_source_set_description(m->notify_event_source, "manager-notify"); | |
d86f9d52 LP |
726 | } |
727 | ||
728 | return 0; | |
729 | } | |
730 | ||
731 | static int manager_setup_kdbus(Manager *m) { | |
732 | _cleanup_free_ char *p = NULL; | |
733 | ||
734 | assert(m); | |
735 | ||
0d8c31ff | 736 | if (m->test_run || m->kdbus_fd >= 0) |
d86f9d52 | 737 | return 0; |
d79acc30 DH |
738 | if (!is_kdbus_available()) |
739 | return -ESOCKTNOSUPPORT; | |
d86f9d52 | 740 | |
1a299299 | 741 | m->kdbus_fd = bus_kernel_create_bus( |
b2c23da8 LP |
742 | m->running_as == MANAGER_SYSTEM ? "system" : "user", |
743 | m->running_as == MANAGER_SYSTEM, &p); | |
1a299299 | 744 | |
eb56eb9b MS |
745 | if (m->kdbus_fd < 0) |
746 | return log_debug_errno(m->kdbus_fd, "Failed to set up kdbus: %m"); | |
d86f9d52 LP |
747 | |
748 | log_debug("Successfully set up kdbus on %s", p); | |
d86f9d52 LP |
749 | |
750 | return 0; | |
751 | } | |
752 | ||
753 | static int manager_connect_bus(Manager *m, bool reexecuting) { | |
754 | bool try_bus_connect; | |
755 | ||
756 | assert(m); | |
757 | ||
0d8c31ff ZJS |
758 | if (m->test_run) |
759 | return 0; | |
760 | ||
d86f9d52 LP |
761 | try_bus_connect = |
762 | m->kdbus_fd >= 0 || | |
763 | reexecuting || | |
b2c23da8 | 764 | (m->running_as == MANAGER_USER && getenv("DBUS_SESSION_BUS_ADDRESS")); |
d86f9d52 | 765 | |
ff9b60f3 | 766 | /* Try to connect to the buses, if possible. */ |
d86f9d52 LP |
767 | return bus_init(m, try_bus_connect); |
768 | } | |
769 | ||
23a177ef | 770 | static unsigned manager_dispatch_cleanup_queue(Manager *m) { |
595ed347 | 771 | Unit *u; |
23a177ef LP |
772 | unsigned n = 0; |
773 | ||
774 | assert(m); | |
775 | ||
595ed347 MS |
776 | while ((u = m->cleanup_queue)) { |
777 | assert(u->in_cleanup_queue); | |
23a177ef | 778 | |
595ed347 | 779 | unit_free(u); |
23a177ef LP |
780 | n++; |
781 | } | |
782 | ||
783 | return n; | |
784 | } | |
785 | ||
eced69b3 | 786 | enum { |
35b8ca3a | 787 | GC_OFFSET_IN_PATH, /* This one is on the path we were traveling */ |
eced69b3 LP |
788 | GC_OFFSET_UNSURE, /* No clue */ |
789 | GC_OFFSET_GOOD, /* We still need this unit */ | |
790 | GC_OFFSET_BAD, /* We don't need this unit anymore */ | |
791 | _GC_OFFSET_MAX | |
792 | }; | |
793 | ||
794 | static void unit_gc_sweep(Unit *u, unsigned gc_marker) { | |
701cc384 LP |
795 | Iterator i; |
796 | Unit *other; | |
eced69b3 | 797 | bool is_bad; |
701cc384 LP |
798 | |
799 | assert(u); | |
800 | ||
ac155bb8 MS |
801 | if (u->gc_marker == gc_marker + GC_OFFSET_GOOD || |
802 | u->gc_marker == gc_marker + GC_OFFSET_BAD || | |
803 | u->gc_marker == gc_marker + GC_OFFSET_IN_PATH) | |
701cc384 LP |
804 | return; |
805 | ||
ac155bb8 | 806 | if (u->in_cleanup_queue) |
701cc384 LP |
807 | goto bad; |
808 | ||
809 | if (unit_check_gc(u)) | |
810 | goto good; | |
811 | ||
ac155bb8 | 812 | u->gc_marker = gc_marker + GC_OFFSET_IN_PATH; |
eced69b3 LP |
813 | |
814 | is_bad = true; | |
815 | ||
ac155bb8 | 816 | SET_FOREACH(other, u->dependencies[UNIT_REFERENCED_BY], i) { |
701cc384 LP |
817 | unit_gc_sweep(other, gc_marker); |
818 | ||
ac155bb8 | 819 | if (other->gc_marker == gc_marker + GC_OFFSET_GOOD) |
701cc384 | 820 | goto good; |
eced69b3 | 821 | |
ac155bb8 | 822 | if (other->gc_marker != gc_marker + GC_OFFSET_BAD) |
eced69b3 | 823 | is_bad = false; |
701cc384 LP |
824 | } |
825 | ||
eced69b3 LP |
826 | if (is_bad) |
827 | goto bad; | |
828 | ||
829 | /* We were unable to find anything out about this entry, so | |
830 | * let's investigate it later */ | |
ac155bb8 | 831 | u->gc_marker = gc_marker + GC_OFFSET_UNSURE; |
eced69b3 LP |
832 | unit_add_to_gc_queue(u); |
833 | return; | |
834 | ||
701cc384 | 835 | bad: |
eced69b3 LP |
836 | /* We definitely know that this one is not useful anymore, so |
837 | * let's mark it for deletion */ | |
ac155bb8 | 838 | u->gc_marker = gc_marker + GC_OFFSET_BAD; |
eced69b3 | 839 | unit_add_to_cleanup_queue(u); |
701cc384 LP |
840 | return; |
841 | ||
842 | good: | |
ac155bb8 | 843 | u->gc_marker = gc_marker + GC_OFFSET_GOOD; |
701cc384 LP |
844 | } |
845 | ||
846 | static unsigned manager_dispatch_gc_queue(Manager *m) { | |
595ed347 | 847 | Unit *u; |
701cc384 | 848 | unsigned n = 0; |
eced69b3 | 849 | unsigned gc_marker; |
701cc384 LP |
850 | |
851 | assert(m); | |
852 | ||
cf1265e1 | 853 | /* log_debug("Running GC..."); */ |
701cc384 | 854 | |
eced69b3 LP |
855 | m->gc_marker += _GC_OFFSET_MAX; |
856 | if (m->gc_marker + _GC_OFFSET_MAX <= _GC_OFFSET_MAX) | |
c9c0cadb | 857 | m->gc_marker = 1; |
701cc384 | 858 | |
eced69b3 LP |
859 | gc_marker = m->gc_marker; |
860 | ||
595ed347 MS |
861 | while ((u = m->gc_queue)) { |
862 | assert(u->in_gc_queue); | |
701cc384 | 863 | |
595ed347 | 864 | unit_gc_sweep(u, gc_marker); |
eced69b3 | 865 | |
71fda00f | 866 | LIST_REMOVE(gc_queue, m->gc_queue, u); |
595ed347 | 867 | u->in_gc_queue = false; |
701cc384 LP |
868 | |
869 | n++; | |
870 | ||
595ed347 MS |
871 | if (u->gc_marker == gc_marker + GC_OFFSET_BAD || |
872 | u->gc_marker == gc_marker + GC_OFFSET_UNSURE) { | |
cc3bc3e6 | 873 | if (u->id) |
f2341e0a | 874 | log_unit_debug(u, "Collecting."); |
595ed347 MS |
875 | u->gc_marker = gc_marker + GC_OFFSET_BAD; |
876 | unit_add_to_cleanup_queue(u); | |
701cc384 LP |
877 | } |
878 | } | |
879 | ||
880 | m->n_in_gc_queue = 0; | |
701cc384 LP |
881 | |
882 | return n; | |
883 | } | |
884 | ||
a16e1123 | 885 | static void manager_clear_jobs_and_units(Manager *m) { |
a16e1123 | 886 | Unit *u; |
60918275 LP |
887 | |
888 | assert(m); | |
889 | ||
87f0e418 LP |
890 | while ((u = hashmap_first(m->units))) |
891 | unit_free(u); | |
964e0949 LP |
892 | |
893 | manager_dispatch_cleanup_queue(m); | |
894 | ||
895 | assert(!m->load_queue); | |
896 | assert(!m->run_queue); | |
897 | assert(!m->dbus_unit_queue); | |
898 | assert(!m->dbus_job_queue); | |
899 | assert(!m->cleanup_queue); | |
900 | assert(!m->gc_queue); | |
901 | ||
964e0949 LP |
902 | assert(hashmap_isempty(m->jobs)); |
903 | assert(hashmap_isempty(m->units)); | |
9e9e2b72 MS |
904 | |
905 | m->n_on_console = 0; | |
906 | m->n_running_jobs = 0; | |
a16e1123 LP |
907 | } |
908 | ||
06d8d842 | 909 | Manager* manager_free(Manager *m) { |
a16e1123 | 910 | UnitType c; |
c93ff2e9 | 911 | int i; |
87f0e418 | 912 | |
06d8d842 ZJS |
913 | if (!m) |
914 | return NULL; | |
a16e1123 LP |
915 | |
916 | manager_clear_jobs_and_units(m); | |
23a177ef | 917 | |
7824bbeb LP |
918 | for (c = 0; c < _UNIT_TYPE_MAX; c++) |
919 | if (unit_vtable[c]->shutdown) | |
920 | unit_vtable[c]->shutdown(m); | |
921 | ||
a16e1123 LP |
922 | /* If we reexecute ourselves, we keep the root cgroup |
923 | * around */ | |
c6c18be3 | 924 | manager_shutdown_cgroup(m, m->exit_code != MANAGER_REEXECUTE); |
8e274523 | 925 | |
5a1e9937 LP |
926 | manager_undo_generators(m); |
927 | ||
5e8d1c9a | 928 | bus_done(m); |
ea430986 | 929 | |
87f0e418 | 930 | hashmap_free(m->units); |
60918275 | 931 | hashmap_free(m->jobs); |
5ba6985b LP |
932 | hashmap_free(m->watch_pids1); |
933 | hashmap_free(m->watch_pids2); | |
05e343b7 | 934 | hashmap_free(m->watch_bus); |
9152c765 | 935 | |
95ae05c0 | 936 | set_free(m->startup_units); |
f755e3b7 LP |
937 | set_free(m->failed_units); |
938 | ||
718db961 LP |
939 | sd_event_source_unref(m->signal_event_source); |
940 | sd_event_source_unref(m->notify_event_source); | |
941 | sd_event_source_unref(m->time_change_event_source); | |
942 | sd_event_source_unref(m->jobs_in_progress_event_source); | |
752b5905 | 943 | sd_event_source_unref(m->run_queue_event_source); |
718db961 | 944 | |
03e334a1 LP |
945 | safe_close(m->signal_fd); |
946 | safe_close(m->notify_fd); | |
947 | safe_close(m->time_change_fd); | |
948 | safe_close(m->kdbus_fd); | |
718db961 | 949 | |
e46b13c8 ZJS |
950 | manager_close_ask_password(m); |
951 | ||
718db961 LP |
952 | manager_close_idle_pipe(m); |
953 | ||
9670d583 | 954 | udev_unref(m->udev); |
718db961 | 955 | sd_event_unref(m->event); |
60918275 | 956 | |
c952c6ec LP |
957 | free(m->notify_socket); |
958 | ||
84e3543e | 959 | lookup_paths_free(&m->lookup_paths); |
1137a57c | 960 | strv_free(m->environment); |
036643a2 | 961 | |
4ad49000 | 962 | hashmap_free(m->cgroup_unit); |
c6c18be3 | 963 | set_free_free(m->unit_path_cache); |
33be102a | 964 | |
32ee7d33 DM |
965 | hashmap_free(m->cgroup_netclass_registry); |
966 | ||
664f88a7 LP |
967 | free(m->switch_root); |
968 | free(m->switch_root_init); | |
969 | ||
517d56b1 | 970 | for (i = 0; i < _RLIMIT_MAX; i++) |
c93ff2e9 FC |
971 | free(m->rlimit[i]); |
972 | ||
a57f7e2c LP |
973 | assert(hashmap_isempty(m->units_requiring_mounts_for)); |
974 | hashmap_free(m->units_requiring_mounts_for); | |
975 | ||
60918275 | 976 | free(m); |
06d8d842 | 977 | return NULL; |
60918275 LP |
978 | } |
979 | ||
a16e1123 | 980 | int manager_enumerate(Manager *m) { |
0faacd47 | 981 | int r = 0; |
f50e0a01 | 982 | UnitType c; |
f50e0a01 LP |
983 | |
984 | assert(m); | |
985 | ||
a16e1123 LP |
986 | /* Let's ask every type to load all units from disk/kernel |
987 | * that it might know */ | |
0faacd47 LP |
988 | for (c = 0; c < _UNIT_TYPE_MAX; c++) { |
989 | int q; | |
990 | ||
1c2e9646 | 991 | if (!unit_type_supported(c)) { |
03afec3c | 992 | log_debug("Unit type .%s is not supported on this system.", unit_type_to_string(c)); |
0faacd47 | 993 | continue; |
a57f7e2c | 994 | } |
f50e0a01 | 995 | |
0faacd47 LP |
996 | if (!unit_vtable[c]->enumerate) |
997 | continue; | |
998 | ||
999 | q = unit_vtable[c]->enumerate(m); | |
1000 | if (q < 0) | |
1001 | r = q; | |
1002 | } | |
1003 | ||
f50e0a01 | 1004 | manager_dispatch_load_queue(m); |
a16e1123 LP |
1005 | return r; |
1006 | } | |
1007 | ||
007c6337 | 1008 | static void manager_coldplug(Manager *m) { |
a16e1123 LP |
1009 | Iterator i; |
1010 | Unit *u; | |
1011 | char *k; | |
007c6337 | 1012 | int r; |
a16e1123 LP |
1013 | |
1014 | assert(m); | |
f50e0a01 LP |
1015 | |
1016 | /* Then, let's set up their initial state. */ | |
1017 | HASHMAP_FOREACH_KEY(u, k, m->units, i) { | |
1018 | ||
1019 | /* ignore aliases */ | |
ac155bb8 | 1020 | if (u->id != k) |
f50e0a01 LP |
1021 | continue; |
1022 | ||
007c6337 LP |
1023 | r = unit_coldplug(u); |
1024 | if (r < 0) | |
1025 | log_warning_errno(r, "We couldn't coldplug %s, proceeding anyway: %m", u->id); | |
f50e0a01 | 1026 | } |
a16e1123 LP |
1027 | } |
1028 | ||
fe51822e LP |
1029 | static void manager_build_unit_path_cache(Manager *m) { |
1030 | char **i; | |
807d0cca | 1031 | _cleanup_closedir_ DIR *d = NULL; |
fe51822e LP |
1032 | int r; |
1033 | ||
1034 | assert(m); | |
1035 | ||
1036 | set_free_free(m->unit_path_cache); | |
1037 | ||
d5099efc | 1038 | m->unit_path_cache = set_new(&string_hash_ops); |
874310b7 | 1039 | if (!m->unit_path_cache) { |
fe51822e LP |
1040 | log_error("Failed to allocate unit path cache."); |
1041 | return; | |
1042 | } | |
1043 | ||
1044 | /* This simply builds a list of files we know exist, so that | |
1045 | * we don't always have to go to disk */ | |
1046 | ||
1047 | STRV_FOREACH(i, m->lookup_paths.unit_path) { | |
1048 | struct dirent *de; | |
1049 | ||
bd0af849 ZJS |
1050 | d = opendir(*i); |
1051 | if (!d) { | |
874310b7 | 1052 | if (errno != ENOENT) |
56f64d95 | 1053 | log_error_errno(errno, "Failed to open directory %s: %m", *i); |
fe51822e LP |
1054 | continue; |
1055 | } | |
1056 | ||
1057 | while ((de = readdir(d))) { | |
1058 | char *p; | |
1059 | ||
a34bf9db | 1060 | if (hidden_file(de->d_name)) |
fe51822e LP |
1061 | continue; |
1062 | ||
b7def684 | 1063 | p = strjoin(streq(*i, "/") ? "" : *i, "/", de->d_name, NULL); |
44d91056 | 1064 | if (!p) { |
fe51822e LP |
1065 | r = -ENOMEM; |
1066 | goto fail; | |
1067 | } | |
1068 | ||
ef42202a ZJS |
1069 | r = set_consume(m->unit_path_cache, p); |
1070 | if (r < 0) | |
fe51822e | 1071 | goto fail; |
fe51822e LP |
1072 | } |
1073 | ||
1074 | closedir(d); | |
1075 | d = NULL; | |
1076 | } | |
1077 | ||
1078 | return; | |
1079 | ||
1080 | fail: | |
da927ba9 | 1081 | log_error_errno(r, "Failed to build unit path cache: %m"); |
fe51822e LP |
1082 | |
1083 | set_free_free(m->unit_path_cache); | |
1084 | m->unit_path_cache = NULL; | |
fe51822e LP |
1085 | } |
1086 | ||
9588bc32 LP |
1087 | |
1088 | static int manager_distribute_fds(Manager *m, FDSet *fds) { | |
1089 | Unit *u; | |
1090 | Iterator i; | |
1091 | int r; | |
1092 | ||
1093 | assert(m); | |
1094 | ||
1095 | HASHMAP_FOREACH(u, m->units, i) { | |
1096 | ||
1097 | if (fdset_size(fds) <= 0) | |
1098 | break; | |
1099 | ||
1100 | if (UNIT_VTABLE(u)->distribute_fds) { | |
1101 | r = UNIT_VTABLE(u)->distribute_fds(u, fds); | |
1102 | if (r < 0) | |
1103 | return r; | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | return 0; | |
1108 | } | |
1109 | ||
a16e1123 LP |
1110 | int manager_startup(Manager *m, FILE *serialization, FDSet *fds) { |
1111 | int r, q; | |
1112 | ||
1113 | assert(m); | |
1114 | ||
518d10e9 | 1115 | dual_timestamp_get(&m->generators_start_timestamp); |
e801700e | 1116 | r = manager_run_generators(m); |
518d10e9 | 1117 | dual_timestamp_get(&m->generators_finish_timestamp); |
e801700e ZJS |
1118 | if (r < 0) |
1119 | return r; | |
5a1e9937 | 1120 | |
07719a21 LP |
1121 | r = lookup_paths_init( |
1122 | &m->lookup_paths, m->running_as, true, | |
12ed81d9 | 1123 | NULL, |
07719a21 LP |
1124 | m->generator_unit_path, |
1125 | m->generator_unit_path_early, | |
1126 | m->generator_unit_path_late); | |
1127 | if (r < 0) | |
1128 | return r; | |
1129 | ||
fe51822e LP |
1130 | manager_build_unit_path_cache(m); |
1131 | ||
9f611ad8 LP |
1132 | /* If we will deserialize make sure that during enumeration |
1133 | * this is already known, so we increase the counter here | |
1134 | * already */ | |
1135 | if (serialization) | |
a7556052 | 1136 | m->n_reloading ++; |
9f611ad8 | 1137 | |
a16e1123 | 1138 | /* First, enumerate what we can from all config files */ |
718db961 | 1139 | dual_timestamp_get(&m->units_load_start_timestamp); |
a16e1123 | 1140 | r = manager_enumerate(m); |
718db961 | 1141 | dual_timestamp_get(&m->units_load_finish_timestamp); |
a16e1123 LP |
1142 | |
1143 | /* Second, deserialize if there is something to deserialize */ | |
1cd974ed ZJS |
1144 | if (serialization) |
1145 | r = manager_deserialize(m, serialization, fds); | |
a16e1123 | 1146 | |
01e10de3 LP |
1147 | /* Any fds left? Find some unit which wants them. This is |
1148 | * useful to allow container managers to pass some file | |
1149 | * descriptors to us pre-initialized. This enables | |
1150 | * socket-based activation of entire containers. */ | |
1151 | if (fdset_size(fds) > 0) { | |
1152 | q = manager_distribute_fds(m, fds); | |
1cd974ed | 1153 | if (q < 0 && r == 0) |
01e10de3 LP |
1154 | r = q; |
1155 | } | |
1156 | ||
d86f9d52 LP |
1157 | /* We might have deserialized the notify fd, but if we didn't |
1158 | * then let's create the bus now */ | |
1cd974ed ZJS |
1159 | q = manager_setup_notify(m); |
1160 | if (q < 0 && r == 0) | |
1161 | r = q; | |
d86f9d52 | 1162 | |
e3dd987c LP |
1163 | /* We might have deserialized the kdbus control fd, but if we |
1164 | * didn't, then let's create the bus now. */ | |
1165 | manager_setup_kdbus(m); | |
1166 | manager_connect_bus(m, !!serialization); | |
8f8f05a9 | 1167 | bus_track_coldplug(m, &m->subscribed, &m->deserialized_subscribed); |
e3dd987c | 1168 | |
a16e1123 | 1169 | /* Third, fire things up! */ |
007c6337 | 1170 | manager_coldplug(m); |
a16e1123 | 1171 | |
9f611ad8 | 1172 | if (serialization) { |
a7556052 LP |
1173 | assert(m->n_reloading > 0); |
1174 | m->n_reloading --; | |
71445ae7 LP |
1175 | |
1176 | /* Let's wait for the UnitNew/JobNew messages being | |
1177 | * sent, before we notify that the reload is | |
1178 | * finished */ | |
1179 | m->send_reloading_done = true; | |
9f611ad8 LP |
1180 | } |
1181 | ||
a16e1123 | 1182 | return r; |
f50e0a01 LP |
1183 | } |
1184 | ||
718db961 | 1185 | int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool override, sd_bus_error *e, Job **_ret) { |
e5b5ae50 | 1186 | int r; |
7527cb52 | 1187 | Transaction *tr; |
e5b5ae50 LP |
1188 | |
1189 | assert(m); | |
1190 | assert(type < _JOB_TYPE_MAX); | |
87f0e418 | 1191 | assert(unit); |
e5b5ae50 | 1192 | assert(mode < _JOB_MODE_MAX); |
60918275 | 1193 | |
7358dc02 ZJS |
1194 | if (mode == JOB_ISOLATE && type != JOB_START) |
1195 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start."); | |
c497c7a9 | 1196 | |
7358dc02 ZJS |
1197 | if (mode == JOB_ISOLATE && !unit->allow_isolate) |
1198 | return sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated."); | |
2528a7a6 | 1199 | |
f2341e0a | 1200 | log_unit_debug(unit, "Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode)); |
9f04bd52 | 1201 | |
c6497ccb | 1202 | type = job_type_collapse(type, unit); |
e0209d83 | 1203 | |
23ade460 | 1204 | tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY); |
7527cb52 MS |
1205 | if (!tr) |
1206 | return -ENOMEM; | |
11dd41ce | 1207 | |
7527cb52 MS |
1208 | r = transaction_add_job_and_dependencies(tr, type, unit, NULL, true, override, false, |
1209 | mode == JOB_IGNORE_DEPENDENCIES || mode == JOB_IGNORE_REQUIREMENTS, | |
b94fbd30 | 1210 | mode == JOB_IGNORE_DEPENDENCIES, e); |
7527cb52 MS |
1211 | if (r < 0) |
1212 | goto tr_abort; | |
c497c7a9 | 1213 | |
7527cb52 MS |
1214 | if (mode == JOB_ISOLATE) { |
1215 | r = transaction_add_isolate_jobs(tr, m); | |
1216 | if (r < 0) | |
1217 | goto tr_abort; | |
1218 | } | |
1219 | ||
1220 | r = transaction_activate(tr, m, mode, e); | |
1221 | if (r < 0) | |
1222 | goto tr_abort; | |
e5b5ae50 | 1223 | |
f2341e0a | 1224 | log_unit_debug(unit, |
66870f90 ZJS |
1225 | "Enqueued job %s/%s as %u", unit->id, |
1226 | job_type_to_string(type), (unsigned) tr->anchor_job->id); | |
f50e0a01 | 1227 | |
e5b5ae50 | 1228 | if (_ret) |
b94fbd30 | 1229 | *_ret = tr->anchor_job; |
60918275 | 1230 | |
7527cb52 | 1231 | transaction_free(tr); |
e5b5ae50 | 1232 | return 0; |
7527cb52 MS |
1233 | |
1234 | tr_abort: | |
1235 | transaction_abort(tr); | |
1236 | transaction_free(tr); | |
1237 | return r; | |
e5b5ae50 | 1238 | } |
60918275 | 1239 | |
718db961 | 1240 | int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, bool override, sd_bus_error *e, Job **_ret) { |
28247076 LP |
1241 | Unit *unit; |
1242 | int r; | |
1243 | ||
1244 | assert(m); | |
1245 | assert(type < _JOB_TYPE_MAX); | |
1246 | assert(name); | |
1247 | assert(mode < _JOB_MODE_MAX); | |
1248 | ||
c3090674 LP |
1249 | r = manager_load_unit(m, name, NULL, NULL, &unit); |
1250 | if (r < 0) | |
28247076 LP |
1251 | return r; |
1252 | ||
398ef8ba | 1253 | return manager_add_job(m, type, unit, mode, override, e, _ret); |
28247076 LP |
1254 | } |
1255 | ||
60918275 LP |
1256 | Job *manager_get_job(Manager *m, uint32_t id) { |
1257 | assert(m); | |
1258 | ||
1259 | return hashmap_get(m->jobs, UINT32_TO_PTR(id)); | |
1260 | } | |
1261 | ||
87f0e418 | 1262 | Unit *manager_get_unit(Manager *m, const char *name) { |
60918275 LP |
1263 | assert(m); |
1264 | assert(name); | |
1265 | ||
87f0e418 | 1266 | return hashmap_get(m->units, name); |
60918275 LP |
1267 | } |
1268 | ||
c1e1601e | 1269 | unsigned manager_dispatch_load_queue(Manager *m) { |
595ed347 | 1270 | Unit *u; |
c1e1601e | 1271 | unsigned n = 0; |
60918275 LP |
1272 | |
1273 | assert(m); | |
1274 | ||
223dabab LP |
1275 | /* Make sure we are not run recursively */ |
1276 | if (m->dispatching_load_queue) | |
c1e1601e | 1277 | return 0; |
223dabab LP |
1278 | |
1279 | m->dispatching_load_queue = true; | |
1280 | ||
87f0e418 | 1281 | /* Dispatches the load queue. Takes a unit from the queue and |
60918275 LP |
1282 | * tries to load its data until the queue is empty */ |
1283 | ||
595ed347 MS |
1284 | while ((u = m->load_queue)) { |
1285 | assert(u->in_load_queue); | |
034c6ed7 | 1286 | |
595ed347 | 1287 | unit_load(u); |
c1e1601e | 1288 | n++; |
60918275 LP |
1289 | } |
1290 | ||
223dabab | 1291 | m->dispatching_load_queue = false; |
c1e1601e | 1292 | return n; |
60918275 LP |
1293 | } |
1294 | ||
c2756a68 LP |
1295 | int manager_load_unit_prepare( |
1296 | Manager *m, | |
1297 | const char *name, | |
1298 | const char *path, | |
718db961 | 1299 | sd_bus_error *e, |
c2756a68 LP |
1300 | Unit **_ret) { |
1301 | ||
87f0e418 | 1302 | Unit *ret; |
7d17cfbc | 1303 | UnitType t; |
60918275 LP |
1304 | int r; |
1305 | ||
1306 | assert(m); | |
9e2f7c11 | 1307 | assert(name || path); |
60918275 | 1308 | |
db06e3b6 LP |
1309 | /* This will prepare the unit for loading, but not actually |
1310 | * load anything from disk. */ | |
0301abf4 | 1311 | |
718db961 LP |
1312 | if (path && !is_path(path)) |
1313 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path); | |
9e2f7c11 LP |
1314 | |
1315 | if (!name) | |
2b6bf07d | 1316 | name = basename(path); |
9e2f7c11 | 1317 | |
7d17cfbc MS |
1318 | t = unit_name_to_type(name); |
1319 | ||
7410616c | 1320 | if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) |
718db961 | 1321 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name); |
60918275 | 1322 | |
7d17cfbc MS |
1323 | ret = manager_get_unit(m, name); |
1324 | if (ret) { | |
034c6ed7 | 1325 | *_ret = ret; |
413d6313 | 1326 | return 1; |
034c6ed7 | 1327 | } |
60918275 | 1328 | |
7d17cfbc MS |
1329 | ret = unit_new(m, unit_vtable[t]->object_size); |
1330 | if (!ret) | |
60918275 LP |
1331 | return -ENOMEM; |
1332 | ||
7d17cfbc | 1333 | if (path) { |
ac155bb8 MS |
1334 | ret->fragment_path = strdup(path); |
1335 | if (!ret->fragment_path) { | |
0301abf4 LP |
1336 | unit_free(ret); |
1337 | return -ENOMEM; | |
1338 | } | |
7d17cfbc | 1339 | } |
0301abf4 | 1340 | |
1058cbf2 ZJS |
1341 | r = unit_add_name(ret, name); |
1342 | if (r < 0) { | |
87f0e418 | 1343 | unit_free(ret); |
1ffba6fe | 1344 | return r; |
60918275 LP |
1345 | } |
1346 | ||
87f0e418 | 1347 | unit_add_to_load_queue(ret); |
c1e1601e | 1348 | unit_add_to_dbus_queue(ret); |
949061f0 | 1349 | unit_add_to_gc_queue(ret); |
c1e1601e | 1350 | |
db06e3b6 LP |
1351 | if (_ret) |
1352 | *_ret = ret; | |
1353 | ||
1354 | return 0; | |
1355 | } | |
1356 | ||
c2756a68 LP |
1357 | int manager_load_unit( |
1358 | Manager *m, | |
1359 | const char *name, | |
1360 | const char *path, | |
718db961 | 1361 | sd_bus_error *e, |
c2756a68 LP |
1362 | Unit **_ret) { |
1363 | ||
db06e3b6 LP |
1364 | int r; |
1365 | ||
1366 | assert(m); | |
1367 | ||
1368 | /* This will load the service information files, but not actually | |
1369 | * start any services or anything. */ | |
1370 | ||
c3090674 LP |
1371 | r = manager_load_unit_prepare(m, name, path, e, _ret); |
1372 | if (r != 0) | |
db06e3b6 LP |
1373 | return r; |
1374 | ||
f50e0a01 | 1375 | manager_dispatch_load_queue(m); |
60918275 | 1376 | |
9e2f7c11 | 1377 | if (_ret) |
413d6313 | 1378 | *_ret = unit_follow_merge(*_ret); |
9e2f7c11 | 1379 | |
60918275 LP |
1380 | return 0; |
1381 | } | |
a66d02c3 | 1382 | |
cea8e32e | 1383 | void manager_dump_jobs(Manager *s, FILE *f, const char *prefix) { |
034c6ed7 | 1384 | Iterator i; |
a66d02c3 LP |
1385 | Job *j; |
1386 | ||
1387 | assert(s); | |
1388 | assert(f); | |
1389 | ||
034c6ed7 | 1390 | HASHMAP_FOREACH(j, s->jobs, i) |
cea8e32e | 1391 | job_dump(j, f, prefix); |
a66d02c3 LP |
1392 | } |
1393 | ||
87f0e418 | 1394 | void manager_dump_units(Manager *s, FILE *f, const char *prefix) { |
034c6ed7 | 1395 | Iterator i; |
87f0e418 | 1396 | Unit *u; |
11dd41ce | 1397 | const char *t; |
a66d02c3 LP |
1398 | |
1399 | assert(s); | |
1400 | assert(f); | |
1401 | ||
87f0e418 | 1402 | HASHMAP_FOREACH_KEY(u, t, s->units, i) |
ac155bb8 | 1403 | if (u->id == t) |
87f0e418 | 1404 | unit_dump(u, f, prefix); |
a66d02c3 | 1405 | } |
7fad411c LP |
1406 | |
1407 | void manager_clear_jobs(Manager *m) { | |
1408 | Job *j; | |
1409 | ||
1410 | assert(m); | |
1411 | ||
7fad411c | 1412 | while ((j = hashmap_first(m->jobs))) |
5273510e MS |
1413 | /* No need to recurse. We're cancelling all jobs. */ |
1414 | job_finish_and_invalidate(j, JOB_CANCELED, false); | |
7fad411c | 1415 | } |
83c60c9f | 1416 | |
752b5905 LP |
1417 | static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) { |
1418 | Manager *m = userdata; | |
83c60c9f | 1419 | Job *j; |
034c6ed7 | 1420 | |
752b5905 LP |
1421 | assert(source); |
1422 | assert(m); | |
9152c765 | 1423 | |
034c6ed7 | 1424 | while ((j = m->run_queue)) { |
ac1135be | 1425 | assert(j->installed); |
034c6ed7 LP |
1426 | assert(j->in_run_queue); |
1427 | ||
1428 | job_run_and_invalidate(j); | |
9152c765 | 1429 | } |
034c6ed7 | 1430 | |
a0b64226 | 1431 | if (m->n_running_jobs > 0) |
03b717a3 MS |
1432 | manager_watch_jobs_in_progress(m); |
1433 | ||
31a7eb86 ZJS |
1434 | if (m->n_on_console > 0) |
1435 | manager_watch_idle_pipe(m); | |
1436 | ||
752b5905 | 1437 | return 1; |
c1e1601e LP |
1438 | } |
1439 | ||
9588bc32 | 1440 | static unsigned manager_dispatch_dbus_queue(Manager *m) { |
c1e1601e | 1441 | Job *j; |
595ed347 | 1442 | Unit *u; |
c1e1601e LP |
1443 | unsigned n = 0; |
1444 | ||
1445 | assert(m); | |
1446 | ||
1447 | if (m->dispatching_dbus_queue) | |
1448 | return 0; | |
1449 | ||
1450 | m->dispatching_dbus_queue = true; | |
1451 | ||
595ed347 MS |
1452 | while ((u = m->dbus_unit_queue)) { |
1453 | assert(u->in_dbus_queue); | |
c1e1601e | 1454 | |
595ed347 | 1455 | bus_unit_send_change_signal(u); |
c1e1601e LP |
1456 | n++; |
1457 | } | |
1458 | ||
1459 | while ((j = m->dbus_job_queue)) { | |
1460 | assert(j->in_dbus_queue); | |
1461 | ||
1462 | bus_job_send_change_signal(j); | |
1463 | n++; | |
1464 | } | |
1465 | ||
1466 | m->dispatching_dbus_queue = false; | |
71445ae7 LP |
1467 | |
1468 | if (m->send_reloading_done) { | |
1469 | m->send_reloading_done = false; | |
1470 | ||
718db961 | 1471 | bus_manager_send_reloading(m, false); |
71445ae7 LP |
1472 | } |
1473 | ||
718db961 LP |
1474 | if (m->queued_message) |
1475 | bus_send_queued_message(m); | |
1476 | ||
c1e1601e | 1477 | return n; |
9152c765 LP |
1478 | } |
1479 | ||
a354329f | 1480 | static void manager_invoke_notify_message(Manager *m, Unit *u, pid_t pid, char *buf, size_t n, FDSet *fds) { |
5ba6985b LP |
1481 | _cleanup_strv_free_ char **tags = NULL; |
1482 | ||
1483 | assert(m); | |
1484 | assert(u); | |
1485 | assert(buf); | |
1486 | assert(n > 0); | |
1487 | ||
1488 | tags = strv_split(buf, "\n\r"); | |
1489 | if (!tags) { | |
1490 | log_oom(); | |
1491 | return; | |
1492 | } | |
1493 | ||
5ba6985b | 1494 | if (UNIT_VTABLE(u)->notify_message) |
a354329f | 1495 | UNIT_VTABLE(u)->notify_message(u, pid, tags, fds); |
34959677 TG |
1496 | else |
1497 | log_unit_debug(u, "Got notification message for unit. Ignoring."); | |
5ba6985b LP |
1498 | } |
1499 | ||
718db961 LP |
1500 | static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
1501 | Manager *m = userdata; | |
8c47c732 | 1502 | ssize_t n; |
a354329f | 1503 | int r; |
8c47c732 LP |
1504 | |
1505 | assert(m); | |
718db961 LP |
1506 | assert(m->notify_fd == fd); |
1507 | ||
1508 | if (revents != EPOLLIN) { | |
1509 | log_warning("Got unexpected poll event for notify fd."); | |
1510 | return 0; | |
1511 | } | |
8c47c732 LP |
1512 | |
1513 | for (;;) { | |
a354329f LP |
1514 | _cleanup_fdset_free_ FDSet *fds = NULL; |
1515 | char buf[NOTIFY_BUFFER_MAX+1]; | |
b92bea5d ZJS |
1516 | struct iovec iovec = { |
1517 | .iov_base = buf, | |
1518 | .iov_len = sizeof(buf)-1, | |
1519 | }; | |
8c47c732 LP |
1520 | union { |
1521 | struct cmsghdr cmsghdr; | |
a354329f LP |
1522 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + |
1523 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
b92bea5d | 1524 | } control = {}; |
b92bea5d ZJS |
1525 | struct msghdr msghdr = { |
1526 | .msg_iov = &iovec, | |
1527 | .msg_iovlen = 1, | |
1528 | .msg_control = &control, | |
1529 | .msg_controllen = sizeof(control), | |
1530 | }; | |
a354329f LP |
1531 | struct cmsghdr *cmsg; |
1532 | struct ucred *ucred = NULL; | |
1533 | bool found = false; | |
70af4d17 | 1534 | Unit *u1, *u2, *u3; |
a354329f LP |
1535 | int *fd_array = NULL; |
1536 | unsigned n_fds = 0; | |
8c47c732 | 1537 | |
a354329f LP |
1538 | n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC); |
1539 | if (n < 0) { | |
f6144808 | 1540 | if (errno == EAGAIN || errno == EINTR) |
8c47c732 LP |
1541 | break; |
1542 | ||
1543 | return -errno; | |
1544 | } | |
a354329f | 1545 | |
2a1288ff | 1546 | CMSG_FOREACH(cmsg, &msghdr) { |
a354329f LP |
1547 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
1548 | ||
1549 | fd_array = (int*) CMSG_DATA(cmsg); | |
1550 | n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); | |
1551 | ||
1552 | } else if (cmsg->cmsg_level == SOL_SOCKET && | |
1553 | cmsg->cmsg_type == SCM_CREDENTIALS && | |
1554 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) { | |
1555 | ||
1556 | ucred = (struct ucred*) CMSG_DATA(cmsg); | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | if (n_fds > 0) { | |
1561 | assert(fd_array); | |
1562 | ||
1563 | r = fdset_new_array(&fds, fd_array, n_fds); | |
1564 | if (r < 0) { | |
1565 | close_many(fd_array, n_fds); | |
1566 | return log_oom(); | |
1567 | } | |
1568 | } | |
8c47c732 | 1569 | |
a354329f LP |
1570 | if (!ucred || ucred->pid <= 0) { |
1571 | log_warning("Received notify message without valid credentials. Ignoring."); | |
8c47c732 LP |
1572 | continue; |
1573 | } | |
1574 | ||
a354329f LP |
1575 | if ((size_t) n >= sizeof(buf)) { |
1576 | log_warning("Received notify message exceeded maximum size. Ignoring."); | |
1577 | continue; | |
1578 | } | |
8c47c732 | 1579 | |
8c40acf7 | 1580 | buf[n] = 0; |
8c47c732 | 1581 | |
70af4d17 LP |
1582 | /* Notify every unit that might be interested, but try |
1583 | * to avoid notifying the same one multiple times. */ | |
b3ac818b | 1584 | u1 = manager_get_unit_by_pid_cgroup(m, ucred->pid); |
70af4d17 | 1585 | if (u1) { |
a354329f | 1586 | manager_invoke_notify_message(m, u1, ucred->pid, buf, n, fds); |
5ba6985b LP |
1587 | found = true; |
1588 | } | |
1589 | ||
fea72cc0 | 1590 | u2 = hashmap_get(m->watch_pids1, PID_TO_PTR(ucred->pid)); |
70af4d17 | 1591 | if (u2 && u2 != u1) { |
a354329f | 1592 | manager_invoke_notify_message(m, u2, ucred->pid, buf, n, fds); |
5ba6985b LP |
1593 | found = true; |
1594 | } | |
1595 | ||
fea72cc0 | 1596 | u3 = hashmap_get(m->watch_pids2, PID_TO_PTR(ucred->pid)); |
70af4d17 | 1597 | if (u3 && u3 != u2 && u3 != u1) { |
a354329f | 1598 | manager_invoke_notify_message(m, u3, ucred->pid, buf, n, fds); |
5ba6985b LP |
1599 | found = true; |
1600 | } | |
8c47c732 | 1601 | |
5ba6985b LP |
1602 | if (!found) |
1603 | log_warning("Cannot find unit for notify message of PID "PID_FMT".", ucred->pid); | |
a354329f LP |
1604 | |
1605 | if (fdset_size(fds) > 0) | |
1606 | log_warning("Got auxiliary fds with notification message, closing all."); | |
8c47c732 LP |
1607 | } |
1608 | ||
1609 | return 0; | |
1610 | } | |
1611 | ||
5ba6985b LP |
1612 | static void invoke_sigchld_event(Manager *m, Unit *u, siginfo_t *si) { |
1613 | assert(m); | |
1614 | assert(u); | |
1615 | assert(si); | |
1616 | ||
f2341e0a | 1617 | log_unit_debug(u, "Child "PID_FMT" belongs to %s", si->si_pid, u->id); |
5ba6985b LP |
1618 | |
1619 | unit_unwatch_pid(u, si->si_pid); | |
1620 | UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status); | |
1621 | } | |
1622 | ||
034c6ed7 | 1623 | static int manager_dispatch_sigchld(Manager *m) { |
9152c765 LP |
1624 | assert(m); |
1625 | ||
1626 | for (;;) { | |
b92bea5d | 1627 | siginfo_t si = {}; |
9152c765 | 1628 | |
4112df16 LP |
1629 | /* First we call waitd() for a PID and do not reap the |
1630 | * zombie. That way we can still access /proc/$PID for | |
1631 | * it while it is a zombie. */ | |
1632 | if (waitid(P_ALL, 0, &si, WEXITED|WNOHANG|WNOWAIT) < 0) { | |
acbb0225 LP |
1633 | |
1634 | if (errno == ECHILD) | |
1635 | break; | |
1636 | ||
4112df16 LP |
1637 | if (errno == EINTR) |
1638 | continue; | |
1639 | ||
9152c765 | 1640 | return -errno; |
acbb0225 | 1641 | } |
9152c765 | 1642 | |
4112df16 | 1643 | if (si.si_pid <= 0) |
9152c765 LP |
1644 | break; |
1645 | ||
15d5d9d9 | 1646 | if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) { |
7fd1b19b | 1647 | _cleanup_free_ char *name = NULL; |
70af4d17 | 1648 | Unit *u1, *u2, *u3; |
4112df16 | 1649 | |
87d2c1ff | 1650 | get_process_comm(si.si_pid, &name); |
4112df16 | 1651 | |
5ba6985b LP |
1652 | log_debug("Child "PID_FMT" (%s) died (code=%s, status=%i/%s)", |
1653 | si.si_pid, strna(name), | |
1654 | sigchld_code_to_string(si.si_code), | |
1655 | si.si_status, | |
1656 | strna(si.si_code == CLD_EXITED | |
1657 | ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL) | |
1658 | : signal_to_string(si.si_status))); | |
1659 | ||
1660 | /* And now figure out the unit this belongs | |
1661 | * to, it might be multiple... */ | |
b3ac818b | 1662 | u1 = manager_get_unit_by_pid_cgroup(m, si.si_pid); |
70af4d17 LP |
1663 | if (u1) |
1664 | invoke_sigchld_event(m, u1, &si); | |
fea72cc0 | 1665 | u2 = hashmap_get(m->watch_pids1, PID_TO_PTR(si.si_pid)); |
70af4d17 LP |
1666 | if (u2 && u2 != u1) |
1667 | invoke_sigchld_event(m, u2, &si); | |
fea72cc0 | 1668 | u3 = hashmap_get(m->watch_pids2, PID_TO_PTR(si.si_pid)); |
70af4d17 LP |
1669 | if (u3 && u3 != u2 && u3 != u1) |
1670 | invoke_sigchld_event(m, u3, &si); | |
5ba6985b | 1671 | } |
8c47c732 | 1672 | |
4112df16 LP |
1673 | /* And now, we actually reap the zombie. */ |
1674 | if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) { | |
1675 | if (errno == EINTR) | |
1676 | continue; | |
1677 | ||
1678 | return -errno; | |
1679 | } | |
9152c765 LP |
1680 | } |
1681 | ||
1682 | return 0; | |
1683 | } | |
1684 | ||
7d793605 | 1685 | static int manager_start_target(Manager *m, const char *name, JobMode mode) { |
718db961 | 1686 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
28247076 | 1687 | int r; |
398ef8ba | 1688 | |
f2341e0a | 1689 | log_debug("Activating special unit %s", name); |
1e001f52 | 1690 | |
bd0af849 ZJS |
1691 | r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL); |
1692 | if (r < 0) | |
f2341e0a | 1693 | log_error("Failed to enqueue %s job: %s", name, bus_error_message(&error, r)); |
a1b256b0 LP |
1694 | |
1695 | return r; | |
28247076 LP |
1696 | } |
1697 | ||
718db961 LP |
1698 | static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
1699 | Manager *m = userdata; | |
9152c765 LP |
1700 | ssize_t n; |
1701 | struct signalfd_siginfo sfsi; | |
1702 | bool sigchld = false; | |
dacd6cee | 1703 | int r; |
9152c765 LP |
1704 | |
1705 | assert(m); | |
718db961 LP |
1706 | assert(m->signal_fd == fd); |
1707 | ||
1708 | if (revents != EPOLLIN) { | |
1709 | log_warning("Got unexpected events from signal file descriptor."); | |
1710 | return 0; | |
1711 | } | |
9152c765 LP |
1712 | |
1713 | for (;;) { | |
718db961 | 1714 | n = read(m->signal_fd, &sfsi, sizeof(sfsi)); |
57cb4adf | 1715 | if (n != sizeof(sfsi)) { |
9152c765 LP |
1716 | |
1717 | if (n >= 0) | |
1718 | return -EIO; | |
1719 | ||
63090775 | 1720 | if (errno == EINTR || errno == EAGAIN) |
acbb0225 | 1721 | break; |
9152c765 LP |
1722 | |
1723 | return -errno; | |
1724 | } | |
1725 | ||
4daf54a8 | 1726 | log_received_signal(sfsi.ssi_signo == SIGCHLD || |
b2c23da8 | 1727 | (sfsi.ssi_signo == SIGTERM && m->running_as == MANAGER_USER) |
4daf54a8 ZJS |
1728 | ? LOG_DEBUG : LOG_INFO, |
1729 | &sfsi); | |
1e001f52 | 1730 | |
b9cd2ec1 LP |
1731 | switch (sfsi.ssi_signo) { |
1732 | ||
4112df16 | 1733 | case SIGCHLD: |
9152c765 | 1734 | sigchld = true; |
b9cd2ec1 LP |
1735 | break; |
1736 | ||
6632c602 | 1737 | case SIGTERM: |
b2c23da8 | 1738 | if (m->running_as == MANAGER_SYSTEM) { |
db06e3b6 LP |
1739 | /* This is for compatibility with the |
1740 | * original sysvinit */ | |
e11dc4a2 | 1741 | m->exit_code = MANAGER_REEXECUTE; |
a1b256b0 LP |
1742 | break; |
1743 | } | |
84e9af1e | 1744 | |
a1b256b0 | 1745 | /* Fall through */ |
e11dc4a2 LP |
1746 | |
1747 | case SIGINT: | |
b2c23da8 | 1748 | if (m->running_as == MANAGER_SYSTEM) { |
2e5c94b9 | 1749 | |
d1f6b1b4 LP |
1750 | /* If the user presses C-A-D more than |
1751 | * 7 times within 2s, we reboot | |
2e5c94b9 LP |
1752 | * immediately. */ |
1753 | ||
1754 | if (ratelimit_test(&m->ctrl_alt_del_ratelimit)) | |
1755 | manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY); | |
1756 | else { | |
1757 | log_notice("Ctrl-Alt-Del was pressed more than 7 times within 2s, rebooting immediately."); | |
a626df3e | 1758 | status_printf(NULL, true, false, "Ctrl-Alt-Del was pressed more than 7 times within 2s, rebooting immediately."); |
2e5c94b9 LP |
1759 | m->exit_code = MANAGER_REBOOT; |
1760 | } | |
1761 | ||
84e9af1e LP |
1762 | break; |
1763 | } | |
1764 | ||
a1b256b0 | 1765 | /* Run the exit target if there is one, if not, just exit. */ |
0003d1ab | 1766 | if (manager_start_target(m, SPECIAL_EXIT_TARGET, JOB_REPLACE) < 0) { |
a1b256b0 LP |
1767 | m->exit_code = MANAGER_EXIT; |
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | break; | |
84e9af1e | 1772 | |
28247076 | 1773 | case SIGWINCH: |
b2c23da8 | 1774 | if (m->running_as == MANAGER_SYSTEM) |
7d793605 | 1775 | manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE); |
84e9af1e | 1776 | |
28247076 LP |
1777 | /* This is a nop on non-init */ |
1778 | break; | |
84e9af1e | 1779 | |
28247076 | 1780 | case SIGPWR: |
b2c23da8 | 1781 | if (m->running_as == MANAGER_SYSTEM) |
7d793605 | 1782 | manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE); |
84e9af1e | 1783 | |
28247076 | 1784 | /* This is a nop on non-init */ |
84e9af1e | 1785 | break; |
6632c602 | 1786 | |
1005d14f | 1787 | case SIGUSR1: { |
57ee42ce LP |
1788 | Unit *u; |
1789 | ||
1790 | u = manager_get_unit(m, SPECIAL_DBUS_SERVICE); | |
1791 | ||
1792 | if (!u || UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) { | |
1793 | log_info("Trying to reconnect to bus..."); | |
3996fbe2 | 1794 | bus_init(m, true); |
57ee42ce LP |
1795 | } |
1796 | ||
1797 | if (!u || !UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u))) { | |
1798 | log_info("Loading D-Bus service..."); | |
7d793605 | 1799 | manager_start_target(m, SPECIAL_DBUS_SERVICE, JOB_REPLACE); |
57ee42ce LP |
1800 | } |
1801 | ||
1802 | break; | |
1803 | } | |
1804 | ||
2149e37c | 1805 | case SIGUSR2: { |
718db961 LP |
1806 | _cleanup_free_ char *dump = NULL; |
1807 | _cleanup_fclose_ FILE *f = NULL; | |
2149e37c LP |
1808 | size_t size; |
1809 | ||
718db961 LP |
1810 | f = open_memstream(&dump, &size); |
1811 | if (!f) { | |
dacd6cee | 1812 | log_warning_errno(errno, "Failed to allocate memory stream: %m"); |
2149e37c LP |
1813 | break; |
1814 | } | |
1815 | ||
1816 | manager_dump_units(m, f, "\t"); | |
1817 | manager_dump_jobs(m, f, "\t"); | |
1818 | ||
dacd6cee LP |
1819 | r = fflush_and_check(f); |
1820 | if (r < 0) { | |
1821 | log_warning_errno(r, "Failed to write status stream: %m"); | |
b2cdc666 DM |
1822 | break; |
1823 | } | |
1824 | ||
2149e37c | 1825 | log_dump(LOG_INFO, dump); |
1005d14f | 1826 | break; |
2149e37c | 1827 | } |
1005d14f | 1828 | |
a16e1123 LP |
1829 | case SIGHUP: |
1830 | m->exit_code = MANAGER_RELOAD; | |
1831 | break; | |
1832 | ||
7d793605 | 1833 | default: { |
253ee27a | 1834 | |
0003d1ab LP |
1835 | /* Starting SIGRTMIN+0 */ |
1836 | static const char * const target_table[] = { | |
7d793605 LP |
1837 | [0] = SPECIAL_DEFAULT_TARGET, |
1838 | [1] = SPECIAL_RESCUE_TARGET, | |
f057408c | 1839 | [2] = SPECIAL_EMERGENCY_TARGET, |
7d793605 LP |
1840 | [3] = SPECIAL_HALT_TARGET, |
1841 | [4] = SPECIAL_POWEROFF_TARGET, | |
0003d1ab LP |
1842 | [5] = SPECIAL_REBOOT_TARGET, |
1843 | [6] = SPECIAL_KEXEC_TARGET | |
1844 | }; | |
1845 | ||
1846 | /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */ | |
1847 | static const ManagerExitCode code_table[] = { | |
1848 | [0] = MANAGER_HALT, | |
1849 | [1] = MANAGER_POWEROFF, | |
1850 | [2] = MANAGER_REBOOT, | |
1851 | [3] = MANAGER_KEXEC | |
7d793605 LP |
1852 | }; |
1853 | ||
1854 | if ((int) sfsi.ssi_signo >= SIGRTMIN+0 && | |
0003d1ab | 1855 | (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) { |
764e9b5f MS |
1856 | int idx = (int) sfsi.ssi_signo - SIGRTMIN; |
1857 | manager_start_target(m, target_table[idx], | |
1858 | (idx == 1 || idx == 2) ? JOB_ISOLATE : JOB_REPLACE); | |
7d793605 LP |
1859 | break; |
1860 | } | |
1861 | ||
0003d1ab LP |
1862 | if ((int) sfsi.ssi_signo >= SIGRTMIN+13 && |
1863 | (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(code_table)) { | |
1864 | m->exit_code = code_table[sfsi.ssi_signo - SIGRTMIN - 13]; | |
1865 | break; | |
1866 | } | |
1867 | ||
0658666b LP |
1868 | switch (sfsi.ssi_signo - SIGRTMIN) { |
1869 | ||
1870 | case 20: | |
1871 | log_debug("Enabling showing of status."); | |
d450b6f2 | 1872 | manager_set_show_status(m, SHOW_STATUS_YES); |
0658666b LP |
1873 | break; |
1874 | ||
1875 | case 21: | |
1876 | log_debug("Disabling showing of status."); | |
d450b6f2 | 1877 | manager_set_show_status(m, SHOW_STATUS_NO); |
0658666b LP |
1878 | break; |
1879 | ||
253ee27a LP |
1880 | case 22: |
1881 | log_set_max_level(LOG_DEBUG); | |
1882 | log_notice("Setting log level to debug."); | |
1883 | break; | |
1884 | ||
1885 | case 23: | |
1886 | log_set_max_level(LOG_INFO); | |
1887 | log_notice("Setting log level to info."); | |
1888 | break; | |
1889 | ||
600b704e | 1890 | case 24: |
b2c23da8 | 1891 | if (m->running_as == MANAGER_USER) { |
600b704e LP |
1892 | m->exit_code = MANAGER_EXIT; |
1893 | return 0; | |
1894 | } | |
1895 | ||
1896 | /* This is a nop on init */ | |
1897 | break; | |
1898 | ||
4cfa2c99 | 1899 | case 26: |
c1dc6153 | 1900 | case 29: /* compatibility: used to be mapped to LOG_TARGET_SYSLOG_OR_KMSG */ |
4cfa2c99 LP |
1901 | log_set_target(LOG_TARGET_JOURNAL_OR_KMSG); |
1902 | log_notice("Setting log target to journal-or-kmsg."); | |
1903 | break; | |
1904 | ||
253ee27a LP |
1905 | case 27: |
1906 | log_set_target(LOG_TARGET_CONSOLE); | |
1907 | log_notice("Setting log target to console."); | |
1908 | break; | |
1909 | ||
1910 | case 28: | |
1911 | log_set_target(LOG_TARGET_KMSG); | |
1912 | log_notice("Setting log target to kmsg."); | |
1913 | break; | |
1914 | ||
0658666b | 1915 | default: |
4e240ab0 | 1916 | log_warning("Got unhandled signal <%s>.", signal_to_string(sfsi.ssi_signo)); |
0658666b | 1917 | } |
b9cd2ec1 | 1918 | } |
7d793605 | 1919 | } |
9152c765 LP |
1920 | } |
1921 | ||
1922 | if (sigchld) | |
7b77ed8c | 1923 | manager_dispatch_sigchld(m); |
034c6ed7 LP |
1924 | |
1925 | return 0; | |
1926 | } | |
1927 | ||
718db961 LP |
1928 | static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
1929 | Manager *m = userdata; | |
1930 | Iterator i; | |
1931 | Unit *u; | |
034c6ed7 LP |
1932 | |
1933 | assert(m); | |
718db961 | 1934 | assert(m->time_change_fd == fd); |
034c6ed7 | 1935 | |
718db961 | 1936 | log_struct(LOG_INFO, |
e2cc6eca LP |
1937 | LOG_MESSAGE_ID(SD_MESSAGE_TIME_CHANGE), |
1938 | LOG_MESSAGE("Time has been changed"), | |
718db961 | 1939 | NULL); |
034c6ed7 | 1940 | |
718db961 LP |
1941 | /* Restart the watch */ |
1942 | m->time_change_event_source = sd_event_source_unref(m->time_change_event_source); | |
03e334a1 | 1943 | m->time_change_fd = safe_close(m->time_change_fd); |
ef734fd6 | 1944 | |
718db961 | 1945 | manager_setup_time_change(m); |
4e434314 | 1946 | |
718db961 LP |
1947 | HASHMAP_FOREACH(u, m->units, i) |
1948 | if (UNIT_VTABLE(u)->time_change) | |
1949 | UNIT_VTABLE(u)->time_change(u); | |
ea430986 | 1950 | |
718db961 LP |
1951 | return 0; |
1952 | } | |
ea430986 | 1953 | |
718db961 LP |
1954 | static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
1955 | Manager *m = userdata; | |
8742514c | 1956 | |
718db961 LP |
1957 | assert(m); |
1958 | assert(m->idle_pipe[2] == fd); | |
8742514c | 1959 | |
718db961 | 1960 | m->no_console_output = m->n_on_console > 0; |
03b717a3 | 1961 | |
718db961 | 1962 | manager_close_idle_pipe(m); |
03b717a3 | 1963 | |
718db961 LP |
1964 | return 0; |
1965 | } | |
31a7eb86 | 1966 | |
718db961 LP |
1967 | static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) { |
1968 | Manager *m = userdata; | |
fd08a840 ZJS |
1969 | int r; |
1970 | uint64_t next; | |
31a7eb86 | 1971 | |
718db961 | 1972 | assert(m); |
fd08a840 | 1973 | assert(source); |
9152c765 | 1974 | |
718db961 | 1975 | manager_print_jobs_in_progress(m); |
fd08a840 ZJS |
1976 | |
1977 | next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_PERIOD_USEC; | |
1978 | r = sd_event_source_set_time(source, next); | |
1979 | if (r < 0) | |
1980 | return r; | |
1981 | ||
1982 | return sd_event_source_set_enabled(source, SD_EVENT_ONESHOT); | |
9152c765 LP |
1983 | } |
1984 | ||
1985 | int manager_loop(Manager *m) { | |
1986 | int r; | |
9152c765 | 1987 | |
fac9f8df | 1988 | RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000); |
ea430986 | 1989 | |
9152c765 | 1990 | assert(m); |
f755e3b7 | 1991 | m->exit_code = MANAGER_OK; |
9152c765 | 1992 | |
fe51822e LP |
1993 | /* Release the path cache */ |
1994 | set_free_free(m->unit_path_cache); | |
1995 | m->unit_path_cache = NULL; | |
1996 | ||
b0c918b9 LP |
1997 | manager_check_finished(m); |
1998 | ||
a4312405 | 1999 | /* There might still be some zombies hanging around from |
f3669545 | 2000 | * before we were exec()'ed. Let's reap them. */ |
e96d6be7 LP |
2001 | r = manager_dispatch_sigchld(m); |
2002 | if (r < 0) | |
a4312405 LP |
2003 | return r; |
2004 | ||
f755e3b7 | 2005 | while (m->exit_code == MANAGER_OK) { |
718db961 | 2006 | usec_t wait_usec; |
9152c765 | 2007 | |
b2c23da8 | 2008 | if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) |
e96d6be7 LP |
2009 | watchdog_ping(); |
2010 | ||
ea430986 LP |
2011 | if (!ratelimit_test(&rl)) { |
2012 | /* Yay, something is going seriously wrong, pause a little */ | |
2013 | log_warning("Looping too fast. Throttling execution a little."); | |
2014 | sleep(1); | |
e96d6be7 | 2015 | continue; |
ea430986 LP |
2016 | } |
2017 | ||
37a8e683 | 2018 | if (manager_dispatch_load_queue(m) > 0) |
23a177ef LP |
2019 | continue; |
2020 | ||
cf1265e1 | 2021 | if (manager_dispatch_gc_queue(m) > 0) |
701cc384 LP |
2022 | continue; |
2023 | ||
cf1265e1 | 2024 | if (manager_dispatch_cleanup_queue(m) > 0) |
c1e1601e | 2025 | continue; |
034c6ed7 | 2026 | |
cf1265e1 | 2027 | if (manager_dispatch_cgroup_queue(m) > 0) |
c1e1601e LP |
2028 | continue; |
2029 | ||
c1e1601e | 2030 | if (manager_dispatch_dbus_queue(m) > 0) |
ea430986 | 2031 | continue; |
ea430986 | 2032 | |
c757a65b | 2033 | /* Sleep for half the watchdog time */ |
b2c23da8 | 2034 | if (m->runtime_watchdog > 0 && m->running_as == MANAGER_SYSTEM) { |
718db961 LP |
2035 | wait_usec = m->runtime_watchdog / 2; |
2036 | if (wait_usec <= 0) | |
2037 | wait_usec = 1; | |
c757a65b | 2038 | } else |
3a43da28 | 2039 | wait_usec = USEC_INFINITY; |
9152c765 | 2040 | |
718db961 | 2041 | r = sd_event_run(m->event, wait_usec); |
23bbb0de MS |
2042 | if (r < 0) |
2043 | return log_error_errno(r, "Failed to run event loop: %m"); | |
a16e1123 | 2044 | } |
957ca890 | 2045 | |
a16e1123 | 2046 | return m->exit_code; |
83c60c9f | 2047 | } |
ea430986 | 2048 | |
718db961 | 2049 | int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u) { |
ede3a796 | 2050 | _cleanup_free_ char *n = NULL; |
ea430986 | 2051 | Unit *u; |
80fbf05e | 2052 | int r; |
ea430986 LP |
2053 | |
2054 | assert(m); | |
2055 | assert(s); | |
2056 | assert(_u); | |
2057 | ||
ede3a796 LP |
2058 | r = unit_name_from_dbus_path(s, &n); |
2059 | if (r < 0) | |
2060 | return r; | |
ea430986 | 2061 | |
80fbf05e | 2062 | r = manager_load_unit(m, n, NULL, e, &u); |
80fbf05e MS |
2063 | if (r < 0) |
2064 | return r; | |
ea430986 LP |
2065 | |
2066 | *_u = u; | |
2067 | ||
2068 | return 0; | |
2069 | } | |
86fbf370 LP |
2070 | |
2071 | int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) { | |
718db961 | 2072 | const char *p; |
86fbf370 | 2073 | unsigned id; |
718db961 | 2074 | Job *j; |
86fbf370 LP |
2075 | int r; |
2076 | ||
2077 | assert(m); | |
2078 | assert(s); | |
2079 | assert(_j); | |
2080 | ||
718db961 LP |
2081 | p = startswith(s, "/org/freedesktop/systemd1/job/"); |
2082 | if (!p) | |
86fbf370 LP |
2083 | return -EINVAL; |
2084 | ||
718db961 | 2085 | r = safe_atou(p, &id); |
8742514c | 2086 | if (r < 0) |
86fbf370 LP |
2087 | return r; |
2088 | ||
8742514c LP |
2089 | j = manager_get_job(m, id); |
2090 | if (!j) | |
86fbf370 LP |
2091 | return -ENOENT; |
2092 | ||
2093 | *_j = j; | |
2094 | ||
2095 | return 0; | |
2096 | } | |
dfcd764e | 2097 | |
4927fcae | 2098 | void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { |
e537352b | 2099 | |
4927fcae | 2100 | #ifdef HAVE_AUDIT |
2ba11090 | 2101 | _cleanup_free_ char *p = NULL; |
0aa281df | 2102 | const char *msg; |
7410616c | 2103 | int audit_fd, r; |
e537352b | 2104 | |
c1165f82 LP |
2105 | audit_fd = get_audit_fd(); |
2106 | if (audit_fd < 0) | |
e537352b LP |
2107 | return; |
2108 | ||
bbd3a7ba LP |
2109 | /* Don't generate audit events if the service was already |
2110 | * started and we're just deserializing */ | |
a7556052 | 2111 | if (m->n_reloading > 0) |
bbd3a7ba LP |
2112 | return; |
2113 | ||
b2c23da8 | 2114 | if (m->running_as != MANAGER_SYSTEM) |
f1dd0c3f LP |
2115 | return; |
2116 | ||
ac155bb8 | 2117 | if (u->type != UNIT_SERVICE) |
f1dd0c3f LP |
2118 | return; |
2119 | ||
7410616c LP |
2120 | r = unit_name_to_prefix_and_instance(u->id, &p); |
2121 | if (r < 0) { | |
2122 | log_error_errno(r, "Failed to extract prefix and instance of unit name: %m"); | |
e537352b LP |
2123 | return; |
2124 | } | |
2125 | ||
63c372cb | 2126 | msg = strjoina("unit=", p); |
0aa281df LP |
2127 | if (audit_log_user_comm_message(audit_fd, type, msg, "systemd", NULL, NULL, NULL, success) < 0) { |
2128 | if (errno == EPERM) | |
391ade86 | 2129 | /* We aren't allowed to send audit messages? |
44785992 | 2130 | * Then let's not retry again. */ |
c1165f82 | 2131 | close_audit_fd(); |
0aa281df | 2132 | else |
56f64d95 | 2133 | log_warning_errno(errno, "Failed to send audit message: %m"); |
391ade86 | 2134 | } |
4927fcae | 2135 | #endif |
e537352b | 2136 | |
e537352b LP |
2137 | } |
2138 | ||
e983b760 | 2139 | void manager_send_unit_plymouth(Manager *m, Unit *u) { |
1d749d04 | 2140 | union sockaddr_union sa = PLYMOUTH_SOCKET; |
2ba11090 | 2141 | |
e983b760 | 2142 | int n = 0; |
2ba11090 ZJS |
2143 | _cleanup_free_ char *message = NULL; |
2144 | _cleanup_close_ int fd = -1; | |
e983b760 LP |
2145 | |
2146 | /* Don't generate plymouth events if the service was already | |
2147 | * started and we're just deserializing */ | |
a7556052 | 2148 | if (m->n_reloading > 0) |
e983b760 LP |
2149 | return; |
2150 | ||
b2c23da8 | 2151 | if (m->running_as != MANAGER_SYSTEM) |
e983b760 LP |
2152 | return; |
2153 | ||
75f86906 | 2154 | if (detect_container() > 0) |
3772995a LP |
2155 | return; |
2156 | ||
ac155bb8 MS |
2157 | if (u->type != UNIT_SERVICE && |
2158 | u->type != UNIT_MOUNT && | |
2159 | u->type != UNIT_SWAP) | |
e983b760 LP |
2160 | return; |
2161 | ||
2162 | /* We set SOCK_NONBLOCK here so that we rather drop the | |
2163 | * message then wait for plymouth */ | |
e62d8c39 ZJS |
2164 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
2165 | if (fd < 0) { | |
56f64d95 | 2166 | log_error_errno(errno, "socket() failed: %m"); |
e983b760 LP |
2167 | return; |
2168 | } | |
2169 | ||
96707269 | 2170 | if (connect(fd, &sa.sa, offsetof(struct sockaddr_un, sun_path) + 1 + strlen(sa.un.sun_path+1)) < 0) { |
e983b760 | 2171 | |
2ba11090 | 2172 | if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED)) |
56f64d95 | 2173 | log_error_errno(errno, "connect() failed: %m"); |
2ba11090 | 2174 | return; |
e983b760 LP |
2175 | } |
2176 | ||
ac155bb8 | 2177 | if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) { |
0d0f0c50 | 2178 | log_oom(); |
2ba11090 | 2179 | return; |
e983b760 LP |
2180 | } |
2181 | ||
2182 | errno = 0; | |
2ba11090 ZJS |
2183 | if (write(fd, message, n + 1) != n + 1) |
2184 | if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED)) | |
56f64d95 | 2185 | log_error_errno(errno, "Failed to write Plymouth message: %m"); |
e983b760 LP |
2186 | } |
2187 | ||
d8d5ab98 | 2188 | int manager_open_serialization(Manager *m, FILE **_f) { |
8e33886e | 2189 | const char *path; |
df28bc08 | 2190 | int fd = -1; |
a16e1123 LP |
2191 | FILE *f; |
2192 | ||
2193 | assert(_f); | |
2194 | ||
b2c23da8 | 2195 | path = m->running_as == MANAGER_SYSTEM ? "/run/systemd" : "/tmp"; |
8e33886e | 2196 | fd = open_tmpfile(path, O_RDWR|O_CLOEXEC); |
d86f9d52 | 2197 | if (fd < 0) |
a16e1123 | 2198 | return -errno; |
a16e1123 | 2199 | |
a16e1123 | 2200 | log_debug("Serializing state to %s", path); |
a16e1123 | 2201 | |
01e10de3 | 2202 | f = fdopen(fd, "w+"); |
d86f9d52 | 2203 | if (!f) { |
03e334a1 | 2204 | safe_close(fd); |
a16e1123 | 2205 | return -errno; |
d86f9d52 | 2206 | } |
a16e1123 LP |
2207 | |
2208 | *_f = f; | |
2209 | ||
2210 | return 0; | |
2211 | } | |
2212 | ||
b3680f49 | 2213 | int manager_serialize(Manager *m, FILE *f, FDSet *fds, bool switching_root) { |
a16e1123 LP |
2214 | Iterator i; |
2215 | Unit *u; | |
2216 | const char *t; | |
4a9fd066 | 2217 | char **e; |
a16e1123 LP |
2218 | int r; |
2219 | ||
2220 | assert(m); | |
2221 | assert(f); | |
2222 | assert(fds); | |
2223 | ||
a7556052 | 2224 | m->n_reloading ++; |
38c52d46 | 2225 | |
1fa2f38f | 2226 | fprintf(f, "current-job-id=%"PRIu32"\n", m->current_job_id); |
01d67b43 | 2227 | fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr)); |
33c5fae9 LP |
2228 | fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs); |
2229 | fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs); | |
01d67b43 | 2230 | |
915b3753 | 2231 | dual_timestamp_serialize(f, "firmware-timestamp", &m->firmware_timestamp); |
915b3753 | 2232 | dual_timestamp_serialize(f, "loader-timestamp", &m->loader_timestamp); |
718db961 | 2233 | dual_timestamp_serialize(f, "kernel-timestamp", &m->kernel_timestamp); |
e9ddabc2 | 2234 | dual_timestamp_serialize(f, "initrd-timestamp", &m->initrd_timestamp); |
f38ed060 | 2235 | |
26a1efdf | 2236 | if (!in_initrd()) { |
915b3753 | 2237 | dual_timestamp_serialize(f, "userspace-timestamp", &m->userspace_timestamp); |
f38ed060 | 2238 | dual_timestamp_serialize(f, "finish-timestamp", &m->finish_timestamp); |
718db961 LP |
2239 | dual_timestamp_serialize(f, "security-start-timestamp", &m->security_start_timestamp); |
2240 | dual_timestamp_serialize(f, "security-finish-timestamp", &m->security_finish_timestamp); | |
2241 | dual_timestamp_serialize(f, "generators-start-timestamp", &m->generators_start_timestamp); | |
2242 | dual_timestamp_serialize(f, "generators-finish-timestamp", &m->generators_finish_timestamp); | |
2243 | dual_timestamp_serialize(f, "units-load-start-timestamp", &m->units_load_start_timestamp); | |
2244 | dual_timestamp_serialize(f, "units-load-finish-timestamp", &m->units_load_finish_timestamp); | |
f38ed060 | 2245 | } |
47a483a1 | 2246 | |
b3680f49 HH |
2247 | if (!switching_root) { |
2248 | STRV_FOREACH(e, m->environment) { | |
2249 | _cleanup_free_ char *ce; | |
4a9fd066 | 2250 | |
b3680f49 | 2251 | ce = cescape(*e); |
e3dd987c LP |
2252 | if (!ce) |
2253 | return -ENOMEM; | |
2254 | ||
2255 | fprintf(f, "env=%s\n", *e); | |
b3680f49 | 2256 | } |
4a9fd066 OS |
2257 | } |
2258 | ||
d86f9d52 LP |
2259 | if (m->notify_fd >= 0) { |
2260 | int copy; | |
2261 | ||
2262 | copy = fdset_put_dup(fds, m->notify_fd); | |
2263 | if (copy < 0) | |
2264 | return copy; | |
2265 | ||
2266 | fprintf(f, "notify-fd=%i\n", copy); | |
2267 | fprintf(f, "notify-socket=%s\n", m->notify_socket); | |
2268 | } | |
2269 | ||
e3dd987c LP |
2270 | if (m->kdbus_fd >= 0) { |
2271 | int copy; | |
2272 | ||
2273 | copy = fdset_put_dup(fds, m->kdbus_fd); | |
2274 | if (copy < 0) | |
2275 | return copy; | |
2276 | ||
2277 | fprintf(f, "kdbus-fd=%i\n", copy); | |
2278 | } | |
2279 | ||
8f8f05a9 | 2280 | bus_track_serialize(m->subscribed, f); |
6fa48533 | 2281 | |
f2382a94 LP |
2282 | fputc('\n', f); |
2283 | ||
a16e1123 | 2284 | HASHMAP_FOREACH_KEY(u, t, m->units, i) { |
ac155bb8 | 2285 | if (u->id != t) |
a16e1123 LP |
2286 | continue; |
2287 | ||
a16e1123 | 2288 | /* Start marker */ |
ac155bb8 | 2289 | fputs(u->id, f); |
a16e1123 LP |
2290 | fputc('\n', f); |
2291 | ||
6fa48533 LP |
2292 | r = unit_serialize(u, f, fds, !switching_root); |
2293 | if (r < 0) { | |
a7556052 | 2294 | m->n_reloading --; |
a16e1123 | 2295 | return r; |
38c52d46 | 2296 | } |
a16e1123 LP |
2297 | } |
2298 | ||
a7556052 LP |
2299 | assert(m->n_reloading > 0); |
2300 | m->n_reloading --; | |
38c52d46 | 2301 | |
a16e1123 LP |
2302 | if (ferror(f)) |
2303 | return -EIO; | |
2304 | ||
b23de6af LP |
2305 | r = bus_fdset_add_all(m, fds); |
2306 | if (r < 0) | |
2307 | return r; | |
2308 | ||
a16e1123 LP |
2309 | return 0; |
2310 | } | |
2311 | ||
2312 | int manager_deserialize(Manager *m, FILE *f, FDSet *fds) { | |
2313 | int r = 0; | |
2314 | ||
2315 | assert(m); | |
2316 | assert(f); | |
2317 | ||
2318 | log_debug("Deserializing state..."); | |
2319 | ||
a7556052 | 2320 | m->n_reloading ++; |
82c64bf5 | 2321 | |
10f8e83c | 2322 | for (;;) { |
20c03b7b | 2323 | char line[LINE_MAX], *l; |
10f8e83c LP |
2324 | |
2325 | if (!fgets(line, sizeof(line), f)) { | |
2326 | if (feof(f)) | |
2327 | r = 0; | |
2328 | else | |
2329 | r = -errno; | |
2330 | ||
2331 | goto finish; | |
2332 | } | |
2333 | ||
2334 | char_array_0(line); | |
2335 | l = strstrip(line); | |
2336 | ||
2337 | if (l[0] == 0) | |
2338 | break; | |
2339 | ||
01d67b43 LP |
2340 | if (startswith(l, "current-job-id=")) { |
2341 | uint32_t id; | |
2342 | ||
2343 | if (safe_atou32(l+15, &id) < 0) | |
e5035a27 | 2344 | log_debug("Failed to parse current job id value %s", l+15); |
01d67b43 LP |
2345 | else |
2346 | m->current_job_id = MAX(m->current_job_id, id); | |
718db961 | 2347 | |
33c5fae9 LP |
2348 | } else if (startswith(l, "n-installed-jobs=")) { |
2349 | uint32_t n; | |
2350 | ||
2351 | if (safe_atou32(l+17, &n) < 0) | |
e5035a27 | 2352 | log_debug("Failed to parse installed jobs counter %s", l+17); |
33c5fae9 LP |
2353 | else |
2354 | m->n_installed_jobs += n; | |
718db961 | 2355 | |
33c5fae9 LP |
2356 | } else if (startswith(l, "n-failed-jobs=")) { |
2357 | uint32_t n; | |
2358 | ||
2359 | if (safe_atou32(l+14, &n) < 0) | |
e5035a27 | 2360 | log_debug("Failed to parse failed jobs counter %s", l+14); |
33c5fae9 LP |
2361 | else |
2362 | m->n_failed_jobs += n; | |
718db961 | 2363 | |
01d67b43 LP |
2364 | } else if (startswith(l, "taint-usr=")) { |
2365 | int b; | |
2366 | ||
e3dd987c LP |
2367 | b = parse_boolean(l+10); |
2368 | if (b < 0) | |
e5035a27 | 2369 | log_debug("Failed to parse taint /usr flag %s", l+10); |
01d67b43 LP |
2370 | else |
2371 | m->taint_usr = m->taint_usr || b; | |
718db961 | 2372 | |
915b3753 LP |
2373 | } else if (startswith(l, "firmware-timestamp=")) |
2374 | dual_timestamp_deserialize(l+19, &m->firmware_timestamp); | |
2375 | else if (startswith(l, "loader-timestamp=")) | |
2376 | dual_timestamp_deserialize(l+17, &m->loader_timestamp); | |
2377 | else if (startswith(l, "kernel-timestamp=")) | |
2378 | dual_timestamp_deserialize(l+17, &m->kernel_timestamp); | |
2379 | else if (startswith(l, "initrd-timestamp=")) | |
e9ddabc2 | 2380 | dual_timestamp_deserialize(l+17, &m->initrd_timestamp); |
915b3753 LP |
2381 | else if (startswith(l, "userspace-timestamp=")) |
2382 | dual_timestamp_deserialize(l+20, &m->userspace_timestamp); | |
10717a1a | 2383 | else if (startswith(l, "finish-timestamp=")) |
799fd0fd | 2384 | dual_timestamp_deserialize(l+17, &m->finish_timestamp); |
718db961 LP |
2385 | else if (startswith(l, "security-start-timestamp=")) |
2386 | dual_timestamp_deserialize(l+25, &m->security_start_timestamp); | |
2387 | else if (startswith(l, "security-finish-timestamp=")) | |
2388 | dual_timestamp_deserialize(l+26, &m->security_finish_timestamp); | |
2389 | else if (startswith(l, "generators-start-timestamp=")) | |
2390 | dual_timestamp_deserialize(l+27, &m->generators_start_timestamp); | |
2391 | else if (startswith(l, "generators-finish-timestamp=")) | |
2392 | dual_timestamp_deserialize(l+28, &m->generators_finish_timestamp); | |
2393 | else if (startswith(l, "units-load-start-timestamp=")) | |
2394 | dual_timestamp_deserialize(l+27, &m->units_load_start_timestamp); | |
2395 | else if (startswith(l, "units-load-finish-timestamp=")) | |
2396 | dual_timestamp_deserialize(l+28, &m->units_load_finish_timestamp); | |
4a9fd066 OS |
2397 | else if (startswith(l, "env=")) { |
2398 | _cleanup_free_ char *uce = NULL; | |
2399 | char **e; | |
2400 | ||
527b7a42 LP |
2401 | r = cunescape(l + 4, UNESCAPE_RELAX, &uce); |
2402 | if (r < 0) | |
4a9fd066 | 2403 | goto finish; |
4a9fd066 OS |
2404 | |
2405 | e = strv_env_set(m->environment, uce); | |
2406 | if (!e) { | |
2407 | r = -ENOMEM; | |
2408 | goto finish; | |
2409 | } | |
2410 | ||
2411 | strv_free(m->environment); | |
2412 | m->environment = e; | |
e3dd987c | 2413 | |
d86f9d52 LP |
2414 | } else if (startswith(l, "notify-fd=")) { |
2415 | int fd; | |
2416 | ||
2417 | if (safe_atoi(l + 10, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
e5035a27 | 2418 | log_debug("Failed to parse notify fd: %s", l + 10); |
d86f9d52 | 2419 | else { |
03e334a1 LP |
2420 | m->notify_event_source = sd_event_source_unref(m->notify_event_source); |
2421 | safe_close(m->notify_fd); | |
d86f9d52 LP |
2422 | m->notify_fd = fdset_remove(fds, fd); |
2423 | } | |
2424 | ||
2425 | } else if (startswith(l, "notify-socket=")) { | |
2426 | char *n; | |
2427 | ||
2428 | n = strdup(l+14); | |
2429 | if (!n) { | |
2430 | r = -ENOMEM; | |
2431 | goto finish; | |
2432 | } | |
2433 | ||
2434 | free(m->notify_socket); | |
2435 | m->notify_socket = n; | |
2436 | ||
e3dd987c LP |
2437 | } else if (startswith(l, "kdbus-fd=")) { |
2438 | int fd; | |
2439 | ||
8bf9fcf4 | 2440 | if (safe_atoi(l + 9, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) |
e5035a27 | 2441 | log_debug("Failed to parse kdbus fd: %s", l + 9); |
e3dd987c | 2442 | else { |
03e334a1 | 2443 | safe_close(m->kdbus_fd); |
e3dd987c LP |
2444 | m->kdbus_fd = fdset_remove(fds, fd); |
2445 | } | |
2446 | ||
230314d7 LP |
2447 | } else { |
2448 | int k; | |
2449 | ||
2450 | k = bus_track_deserialize_item(&m->deserialized_subscribed, l); | |
2451 | if (k < 0) | |
2452 | log_debug_errno(k, "Failed to deserialize bus tracker object: %m"); | |
2453 | else if (k == 0) | |
2454 | log_debug("Unknown serialization item '%s'", l); | |
2455 | } | |
10f8e83c LP |
2456 | } |
2457 | ||
a16e1123 LP |
2458 | for (;;) { |
2459 | Unit *u; | |
2460 | char name[UNIT_NAME_MAX+2]; | |
2461 | ||
2462 | /* Start marker */ | |
2463 | if (!fgets(name, sizeof(name), f)) { | |
2464 | if (feof(f)) | |
10f8e83c LP |
2465 | r = 0; |
2466 | else | |
2467 | r = -errno; | |
a16e1123 | 2468 | |
82c64bf5 | 2469 | goto finish; |
a16e1123 LP |
2470 | } |
2471 | ||
2472 | char_array_0(name); | |
2473 | ||
bd0af849 ZJS |
2474 | r = manager_load_unit(m, strstrip(name), NULL, NULL, &u); |
2475 | if (r < 0) | |
82c64bf5 | 2476 | goto finish; |
a16e1123 | 2477 | |
01e10de3 LP |
2478 | r = unit_deserialize(u, f, fds); |
2479 | if (r < 0) | |
82c64bf5 | 2480 | goto finish; |
a16e1123 LP |
2481 | } |
2482 | ||
10f8e83c | 2483 | finish: |
145b1f79 | 2484 | if (ferror(f)) |
82c64bf5 | 2485 | r = -EIO; |
a16e1123 | 2486 | |
a7556052 LP |
2487 | assert(m->n_reloading > 0); |
2488 | m->n_reloading --; | |
82c64bf5 LP |
2489 | |
2490 | return r; | |
a16e1123 LP |
2491 | } |
2492 | ||
2493 | int manager_reload(Manager *m) { | |
2494 | int r, q; | |
51d122af ZJS |
2495 | _cleanup_fclose_ FILE *f = NULL; |
2496 | _cleanup_fdset_free_ FDSet *fds = NULL; | |
a16e1123 LP |
2497 | |
2498 | assert(m); | |
2499 | ||
07719a21 LP |
2500 | r = manager_open_serialization(m, &f); |
2501 | if (r < 0) | |
a16e1123 LP |
2502 | return r; |
2503 | ||
a7556052 | 2504 | m->n_reloading ++; |
718db961 | 2505 | bus_manager_send_reloading(m, true); |
38c52d46 | 2506 | |
07719a21 LP |
2507 | fds = fdset_new(); |
2508 | if (!fds) { | |
a7556052 | 2509 | m->n_reloading --; |
51d122af | 2510 | return -ENOMEM; |
a16e1123 LP |
2511 | } |
2512 | ||
b3680f49 | 2513 | r = manager_serialize(m, f, fds, false); |
07719a21 | 2514 | if (r < 0) { |
a7556052 | 2515 | m->n_reloading --; |
51d122af | 2516 | return r; |
38c52d46 | 2517 | } |
a16e1123 LP |
2518 | |
2519 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
a7556052 | 2520 | m->n_reloading --; |
51d122af | 2521 | return -errno; |
a16e1123 LP |
2522 | } |
2523 | ||
2524 | /* From here on there is no way back. */ | |
2525 | manager_clear_jobs_and_units(m); | |
5a1e9937 | 2526 | manager_undo_generators(m); |
84e3543e | 2527 | lookup_paths_free(&m->lookup_paths); |
2ded0c04 | 2528 | |
07719a21 | 2529 | /* Find new unit paths */ |
e801700e ZJS |
2530 | q = manager_run_generators(m); |
2531 | if (q < 0 && r >= 0) | |
2532 | r = q; | |
5a1e9937 | 2533 | |
07719a21 LP |
2534 | q = lookup_paths_init( |
2535 | &m->lookup_paths, m->running_as, true, | |
12ed81d9 | 2536 | NULL, |
07719a21 LP |
2537 | m->generator_unit_path, |
2538 | m->generator_unit_path_early, | |
2539 | m->generator_unit_path_late); | |
e801700e | 2540 | if (q < 0 && r >= 0) |
07719a21 LP |
2541 | r = q; |
2542 | ||
5a1e9937 LP |
2543 | manager_build_unit_path_cache(m); |
2544 | ||
a16e1123 | 2545 | /* First, enumerate what we can from all config files */ |
07719a21 | 2546 | q = manager_enumerate(m); |
e801700e | 2547 | if (q < 0 && r >= 0) |
a16e1123 LP |
2548 | r = q; |
2549 | ||
2550 | /* Second, deserialize our stored data */ | |
07719a21 | 2551 | q = manager_deserialize(m, f, fds); |
e801700e | 2552 | if (q < 0 && r >= 0) |
a16e1123 LP |
2553 | r = q; |
2554 | ||
2555 | fclose(f); | |
2556 | f = NULL; | |
2557 | ||
a2cc4a6c ZJS |
2558 | /* Re-register notify_fd as event source */ |
2559 | q = manager_setup_notify(m); | |
e801700e | 2560 | if (q < 0 && r >= 0) |
a2cc4a6c ZJS |
2561 | r = q; |
2562 | ||
a16e1123 | 2563 | /* Third, fire things up! */ |
007c6337 | 2564 | manager_coldplug(m); |
a16e1123 | 2565 | |
a7556052 LP |
2566 | assert(m->n_reloading > 0); |
2567 | m->n_reloading--; | |
9f611ad8 | 2568 | |
71445ae7 LP |
2569 | m->send_reloading_done = true; |
2570 | ||
a16e1123 LP |
2571 | return r; |
2572 | } | |
2573 | ||
c17ec25e MS |
2574 | bool manager_is_reloading_or_reexecuting(Manager *m) { |
2575 | assert(m); | |
2576 | ||
2577 | return m->n_reloading != 0; | |
2578 | } | |
2579 | ||
fdf20a31 | 2580 | void manager_reset_failed(Manager *m) { |
5632e374 LP |
2581 | Unit *u; |
2582 | Iterator i; | |
2583 | ||
2584 | assert(m); | |
2585 | ||
2586 | HASHMAP_FOREACH(u, m->units, i) | |
fdf20a31 | 2587 | unit_reset_failed(u); |
5632e374 LP |
2588 | } |
2589 | ||
31afa0a4 | 2590 | bool manager_unit_inactive_or_pending(Manager *m, const char *name) { |
8f6df3fa LP |
2591 | Unit *u; |
2592 | ||
2593 | assert(m); | |
2594 | assert(name); | |
2595 | ||
2596 | /* Returns true if the unit is inactive or going down */ | |
bd0af849 ZJS |
2597 | u = manager_get_unit(m, name); |
2598 | if (!u) | |
8f6df3fa LP |
2599 | return true; |
2600 | ||
31afa0a4 | 2601 | return unit_inactive_or_pending(u); |
8f6df3fa LP |
2602 | } |
2603 | ||
56dacdbc | 2604 | static void manager_notify_finished(Manager *m) { |
7ceba241 | 2605 | char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX]; |
915b3753 | 2606 | usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec; |
b0c918b9 | 2607 | |
56dacdbc | 2608 | if (m->test_run) |
b0c918b9 LP |
2609 | return; |
2610 | ||
75f86906 | 2611 | if (m->running_as == MANAGER_SYSTEM && detect_container() <= 0) { |
e03ae661 | 2612 | |
915b3753 LP |
2613 | /* Note that m->kernel_usec.monotonic is always at 0, |
2614 | * and m->firmware_usec.monotonic and | |
2615 | * m->loader_usec.monotonic should be considered | |
2616 | * negative values. */ | |
2617 | ||
7ceba241 LP |
2618 | firmware_usec = m->firmware_timestamp.monotonic - m->loader_timestamp.monotonic; |
2619 | loader_usec = m->loader_timestamp.monotonic - m->kernel_timestamp.monotonic; | |
915b3753 | 2620 | userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic; |
7ceba241 | 2621 | total_usec = m->firmware_timestamp.monotonic + m->finish_timestamp.monotonic; |
18fa6b27 | 2622 | |
e9ddabc2 | 2623 | if (dual_timestamp_is_set(&m->initrd_timestamp)) { |
18fa6b27 | 2624 | |
915b3753 LP |
2625 | kernel_usec = m->initrd_timestamp.monotonic - m->kernel_timestamp.monotonic; |
2626 | initrd_usec = m->userspace_timestamp.monotonic - m->initrd_timestamp.monotonic; | |
18fa6b27 | 2627 | |
e12919e8 | 2628 | log_struct(LOG_INFO, |
e2cc6eca | 2629 | LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), |
e12919e8 LP |
2630 | "KERNEL_USEC="USEC_FMT, kernel_usec, |
2631 | "INITRD_USEC="USEC_FMT, initrd_usec, | |
2632 | "USERSPACE_USEC="USEC_FMT, userspace_usec, | |
e2cc6eca LP |
2633 | LOG_MESSAGE("Startup finished in %s (kernel) + %s (initrd) + %s (userspace) = %s.", |
2634 | format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC), | |
2635 | format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC), | |
2636 | format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC), | |
2637 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)), | |
e12919e8 | 2638 | NULL); |
18fa6b27 | 2639 | } else { |
915b3753 | 2640 | kernel_usec = m->userspace_timestamp.monotonic - m->kernel_timestamp.monotonic; |
18fa6b27 LP |
2641 | initrd_usec = 0; |
2642 | ||
81270860 | 2643 | log_struct(LOG_INFO, |
e2cc6eca | 2644 | LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), |
e12919e8 | 2645 | "KERNEL_USEC="USEC_FMT, kernel_usec, |
ccd06097 | 2646 | "USERSPACE_USEC="USEC_FMT, userspace_usec, |
e2cc6eca LP |
2647 | LOG_MESSAGE("Startup finished in %s (kernel) + %s (userspace) = %s.", |
2648 | format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC), | |
2649 | format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC), | |
2650 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)), | |
81270860 | 2651 | NULL); |
e12919e8 LP |
2652 | } |
2653 | } else { | |
2654 | firmware_usec = loader_usec = initrd_usec = kernel_usec = 0; | |
2655 | total_usec = userspace_usec = m->finish_timestamp.monotonic - m->userspace_timestamp.monotonic; | |
2656 | ||
2657 | log_struct(LOG_INFO, | |
e2cc6eca | 2658 | LOG_MESSAGE_ID(SD_MESSAGE_STARTUP_FINISHED), |
e12919e8 | 2659 | "USERSPACE_USEC="USEC_FMT, userspace_usec, |
e2cc6eca LP |
2660 | LOG_MESSAGE("Startup finished in %s.", |
2661 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)), | |
e12919e8 | 2662 | NULL); |
18fa6b27 | 2663 | } |
b0c918b9 | 2664 | |
718db961 | 2665 | bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec); |
530345e7 LP |
2666 | |
2667 | sd_notifyf(false, | |
af4ec430 LP |
2668 | "READY=1\n" |
2669 | "STATUS=Startup finished in %s.", | |
2fa4092c | 2670 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)); |
b0c918b9 LP |
2671 | } |
2672 | ||
56dacdbc | 2673 | void manager_check_finished(Manager *m) { |
56dacdbc ZJS |
2674 | assert(m); |
2675 | ||
aad1976f LP |
2676 | if (m->n_reloading > 0) |
2677 | return; | |
2678 | ||
9771b62d LP |
2679 | /* Verify that we are actually running currently. Initially |
2680 | * the exit code is set to invalid, and during operation it is | |
2681 | * then set to MANAGER_OK */ | |
2682 | if (m->exit_code != MANAGER_OK) | |
2683 | return; | |
2684 | ||
56dacdbc | 2685 | if (hashmap_size(m->jobs) > 0) { |
56dacdbc | 2686 | if (m->jobs_in_progress_event_source) |
2ae56591 | 2687 | /* Ignore any failure, this is only for feedback */ |
e7ab4d1a | 2688 | (void) sd_event_source_set_time(m->jobs_in_progress_event_source, now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC); |
56dacdbc ZJS |
2689 | |
2690 | return; | |
2691 | } | |
2692 | ||
2693 | manager_flip_auto_status(m, false); | |
2694 | ||
2695 | /* Notify Type=idle units that we are done now */ | |
56dacdbc ZJS |
2696 | manager_close_idle_pipe(m); |
2697 | ||
2698 | /* Turn off confirm spawn now */ | |
2699 | m->confirm_spawn = false; | |
2700 | ||
2701 | /* No need to update ask password status when we're going non-interactive */ | |
2702 | manager_close_ask_password(m); | |
2703 | ||
2704 | /* This is no longer the first boot */ | |
2705 | manager_set_first_boot(m, false); | |
2706 | ||
2707 | if (dual_timestamp_is_set(&m->finish_timestamp)) | |
2708 | return; | |
2709 | ||
2710 | dual_timestamp_get(&m->finish_timestamp); | |
2711 | ||
2712 | manager_notify_finished(m); | |
2713 | ||
e7ab4d1a | 2714 | manager_invalidate_startup_units(m); |
56dacdbc ZJS |
2715 | } |
2716 | ||
07719a21 LP |
2717 | static int create_generator_dir(Manager *m, char **generator, const char *name) { |
2718 | char *p; | |
2719 | int r; | |
2720 | ||
2721 | assert(m); | |
2722 | assert(generator); | |
2723 | assert(name); | |
2724 | ||
2725 | if (*generator) | |
2726 | return 0; | |
2727 | ||
b2c23da8 | 2728 | if (m->running_as == MANAGER_SYSTEM && getpid() == 1) { |
fcc81ea3 | 2729 | /* systemd --system, not running --test */ |
07719a21 LP |
2730 | |
2731 | p = strappend("/run/systemd/", name); | |
0d0f0c50 SL |
2732 | if (!p) |
2733 | return log_oom(); | |
07719a21 | 2734 | |
fcc81ea3 KS |
2735 | r = mkdir_p_label(p, 0755); |
2736 | if (r < 0) { | |
c33b3297 | 2737 | log_error_errno(r, "Failed to create generator directory %s: %m", p); |
fcc81ea3 KS |
2738 | free(p); |
2739 | return r; | |
2740 | } | |
b2c23da8 | 2741 | } else if (m->running_as == MANAGER_USER) { |
fcc81ea3 KS |
2742 | const char *s = NULL; |
2743 | ||
2744 | s = getenv("XDG_RUNTIME_DIR"); | |
2745 | if (!s) | |
2746 | return -EINVAL; | |
2747 | p = strjoin(s, "/systemd/", name, NULL); | |
2748 | if (!p) | |
2749 | return log_oom(); | |
2750 | ||
d2e54fae | 2751 | r = mkdir_p_label(p, 0755); |
07719a21 | 2752 | if (r < 0) { |
c33b3297 | 2753 | log_error_errno(r, "Failed to create generator directory %s: %m", p); |
07719a21 LP |
2754 | free(p); |
2755 | return r; | |
2756 | } | |
2757 | } else { | |
fcc81ea3 KS |
2758 | /* systemd --system --test */ |
2759 | ||
b7def684 | 2760 | p = strjoin("/tmp/systemd-", name, ".XXXXXX", NULL); |
0d0f0c50 SL |
2761 | if (!p) |
2762 | return log_oom(); | |
07719a21 LP |
2763 | |
2764 | if (!mkdtemp(p)) { | |
56f64d95 | 2765 | log_error_errno(errno, "Failed to create generator directory %s: %m", |
7ad94c71 | 2766 | p); |
34bf0281 | 2767 | free(p); |
07719a21 LP |
2768 | return -errno; |
2769 | } | |
2770 | } | |
2771 | ||
2772 | *generator = p; | |
2773 | return 0; | |
2774 | } | |
2775 | ||
2776 | static void trim_generator_dir(Manager *m, char **generator) { | |
2777 | assert(m); | |
2778 | assert(generator); | |
2779 | ||
2780 | if (!*generator) | |
2781 | return; | |
2782 | ||
ece174c5 | 2783 | if (rmdir(*generator) >= 0) |
a1e58e8e | 2784 | *generator = mfree(*generator); |
07719a21 LP |
2785 | |
2786 | return; | |
2787 | } | |
2788 | ||
e801700e | 2789 | static int manager_run_generators(Manager *m) { |
f42348ac | 2790 | _cleanup_strv_free_ char **paths = NULL; |
07719a21 | 2791 | const char *argv[5]; |
e801700e | 2792 | char **path; |
07719a21 | 2793 | int r; |
5a1e9937 LP |
2794 | |
2795 | assert(m); | |
2796 | ||
0d8c31ff | 2797 | if (m->test_run) |
e801700e | 2798 | return 0; |
0d8c31ff | 2799 | |
e801700e ZJS |
2800 | paths = generator_paths(m->running_as); |
2801 | if (!paths) | |
2802 | return log_oom(); | |
5a1e9937 | 2803 | |
49681057 ZJS |
2804 | /* Optimize by skipping the whole process by not creating output directories |
2805 | * if no generators are found. */ | |
e801700e ZJS |
2806 | STRV_FOREACH(path, paths) { |
2807 | r = access(*path, F_OK); | |
2808 | if (r == 0) | |
2809 | goto found; | |
49681057 | 2810 | if (errno != ENOENT) |
e801700e | 2811 | log_warning_errno(errno, "Failed to open generator directory %s: %m", *path); |
5a1e9937 | 2812 | } |
e801700e | 2813 | return 0; |
5a1e9937 | 2814 | |
e801700e | 2815 | found: |
07719a21 LP |
2816 | r = create_generator_dir(m, &m->generator_unit_path, "generator"); |
2817 | if (r < 0) | |
2818 | goto finish; | |
f1d19aa4 | 2819 | |
07719a21 LP |
2820 | r = create_generator_dir(m, &m->generator_unit_path_early, "generator.early"); |
2821 | if (r < 0) | |
2822 | goto finish; | |
5a1e9937 | 2823 | |
07719a21 LP |
2824 | r = create_generator_dir(m, &m->generator_unit_path_late, "generator.late"); |
2825 | if (r < 0) | |
2826 | goto finish; | |
5a1e9937 | 2827 | |
83cc030f LP |
2828 | argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */ |
2829 | argv[1] = m->generator_unit_path; | |
07719a21 LP |
2830 | argv[2] = m->generator_unit_path_early; |
2831 | argv[3] = m->generator_unit_path_late; | |
2832 | argv[4] = NULL; | |
5a1e9937 | 2833 | |
718db961 | 2834 | RUN_WITH_UMASK(0022) |
e801700e | 2835 | execute_directories((const char* const*) paths, DEFAULT_TIMEOUT_USEC, (char**) argv); |
5a1e9937 | 2836 | |
718db961 | 2837 | finish: |
07719a21 LP |
2838 | trim_generator_dir(m, &m->generator_unit_path); |
2839 | trim_generator_dir(m, &m->generator_unit_path_early); | |
2840 | trim_generator_dir(m, &m->generator_unit_path_late); | |
e801700e | 2841 | return r; |
5a1e9937 LP |
2842 | } |
2843 | ||
07719a21 | 2844 | static void remove_generator_dir(Manager *m, char **generator) { |
5a1e9937 | 2845 | assert(m); |
07719a21 | 2846 | assert(generator); |
5a1e9937 | 2847 | |
07719a21 | 2848 | if (!*generator) |
5a1e9937 LP |
2849 | return; |
2850 | ||
07719a21 | 2851 | strv_remove(m->lookup_paths.unit_path, *generator); |
c6878637 | 2852 | (void) rm_rf(*generator, REMOVE_ROOT); |
5a1e9937 | 2853 | |
a1e58e8e | 2854 | *generator = mfree(*generator); |
07719a21 LP |
2855 | } |
2856 | ||
e801700e | 2857 | static void manager_undo_generators(Manager *m) { |
07719a21 LP |
2858 | assert(m); |
2859 | ||
2860 | remove_generator_dir(m, &m->generator_unit_path); | |
2861 | remove_generator_dir(m, &m->generator_unit_path_early); | |
2862 | remove_generator_dir(m, &m->generator_unit_path_late); | |
5a1e9937 LP |
2863 | } |
2864 | ||
718db961 LP |
2865 | int manager_environment_add(Manager *m, char **minus, char **plus) { |
2866 | char **a = NULL, **b = NULL, **l; | |
97d0e5f8 | 2867 | assert(m); |
bcd8e6d1 | 2868 | |
718db961 | 2869 | l = m->environment; |
bcd8e6d1 | 2870 | |
718db961 LP |
2871 | if (!strv_isempty(minus)) { |
2872 | a = strv_env_delete(l, 1, minus); | |
2873 | if (!a) | |
2874 | return -ENOMEM; | |
2875 | ||
2876 | l = a; | |
2877 | } | |
2878 | ||
2879 | if (!strv_isempty(plus)) { | |
2880 | b = strv_env_merge(2, l, plus); | |
aa9f8a30 AH |
2881 | if (!b) { |
2882 | strv_free(a); | |
718db961 | 2883 | return -ENOMEM; |
aa9f8a30 | 2884 | } |
bcd8e6d1 | 2885 | |
718db961 LP |
2886 | l = b; |
2887 | } | |
2888 | ||
2889 | if (m->environment != l) | |
2890 | strv_free(m->environment); | |
2891 | if (a != l) | |
2892 | strv_free(a); | |
2893 | if (b != l) | |
2894 | strv_free(b); | |
2895 | ||
f069efb4 LP |
2896 | m->environment = l; |
2897 | manager_clean_environment(m); | |
2898 | strv_sort(m->environment); | |
2899 | ||
97d0e5f8 UTL |
2900 | return 0; |
2901 | } | |
2902 | ||
c93ff2e9 FC |
2903 | int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) { |
2904 | int i; | |
2905 | ||
2906 | assert(m); | |
2907 | ||
517d56b1 | 2908 | for (i = 0; i < _RLIMIT_MAX; i++) { |
07719a21 LP |
2909 | if (!default_rlimit[i]) |
2910 | continue; | |
c93ff2e9 | 2911 | |
07719a21 LP |
2912 | m->rlimit[i] = newdup(struct rlimit, default_rlimit[i], 1); |
2913 | if (!m->rlimit[i]) | |
2914 | return -ENOMEM; | |
c93ff2e9 FC |
2915 | } |
2916 | ||
2917 | return 0; | |
2918 | } | |
2919 | ||
4cfa2c99 | 2920 | void manager_recheck_journal(Manager *m) { |
f1dd0c3f LP |
2921 | Unit *u; |
2922 | ||
2923 | assert(m); | |
2924 | ||
b2c23da8 | 2925 | if (m->running_as != MANAGER_SYSTEM) |
f1dd0c3f LP |
2926 | return; |
2927 | ||
731a676c LP |
2928 | u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET); |
2929 | if (u && SOCKET(u)->state != SOCKET_RUNNING) { | |
4cfa2c99 | 2930 | log_close_journal(); |
731a676c | 2931 | return; |
f1dd0c3f LP |
2932 | } |
2933 | ||
731a676c LP |
2934 | u = manager_get_unit(m, SPECIAL_JOURNALD_SERVICE); |
2935 | if (u && SERVICE(u)->state != SERVICE_RUNNING) { | |
4cfa2c99 | 2936 | log_close_journal(); |
731a676c LP |
2937 | return; |
2938 | } | |
f1dd0c3f | 2939 | |
731a676c LP |
2940 | /* Hmm, OK, so the socket is fully up and the service is up |
2941 | * too, then let's make use of the thing. */ | |
f1dd0c3f LP |
2942 | log_open(); |
2943 | } | |
2944 | ||
d450b6f2 | 2945 | void manager_set_show_status(Manager *m, ShowStatus mode) { |
27d340c7 | 2946 | assert(m); |
d450b6f2 | 2947 | assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY)); |
27d340c7 | 2948 | |
b2c23da8 | 2949 | if (m->running_as != MANAGER_SYSTEM) |
27d340c7 LP |
2950 | return; |
2951 | ||
d450b6f2 | 2952 | m->show_status = mode; |
27d340c7 | 2953 | |
d450b6f2 | 2954 | if (mode > 0) |
27d340c7 LP |
2955 | touch("/run/systemd/show-status"); |
2956 | else | |
2957 | unlink("/run/systemd/show-status"); | |
2958 | } | |
2959 | ||
127d5fd1 | 2960 | static bool manager_get_show_status(Manager *m, StatusType type) { |
27d340c7 LP |
2961 | assert(m); |
2962 | ||
b2c23da8 | 2963 | if (m->running_as != MANAGER_SYSTEM) |
27d340c7 LP |
2964 | return false; |
2965 | ||
31a7eb86 ZJS |
2966 | if (m->no_console_output) |
2967 | return false; | |
2968 | ||
d81afec1 | 2969 | if (!IN_SET(manager_state(m), MANAGER_INITIALIZING, MANAGER_STARTING, MANAGER_STOPPING)) |
08510627 LP |
2970 | return false; |
2971 | ||
e46b13c8 | 2972 | /* If we cannot find out the status properly, just proceed. */ |
ebc5788e | 2973 | if (type != STATUS_TYPE_EMERGENCY && manager_check_ask_password(m) > 0) |
e46b13c8 ZJS |
2974 | return false; |
2975 | ||
d450b6f2 | 2976 | if (m->show_status > 0) |
27d340c7 LP |
2977 | return true; |
2978 | ||
031886ed | 2979 | return false; |
27d340c7 | 2980 | } |
68b29a9f | 2981 | |
e2680723 LP |
2982 | void manager_set_first_boot(Manager *m, bool b) { |
2983 | assert(m); | |
2984 | ||
b2c23da8 | 2985 | if (m->running_as != MANAGER_SYSTEM) |
e2680723 LP |
2986 | return; |
2987 | ||
ae2a2c53 LP |
2988 | if (m->first_boot != (int) b) { |
2989 | if (b) | |
2990 | (void) touch("/run/systemd/first-boot"); | |
2991 | else | |
2992 | (void) unlink("/run/systemd/first-boot"); | |
2993 | } | |
e2680723 | 2994 | |
ae2a2c53 | 2995 | m->first_boot = b; |
e2680723 LP |
2996 | } |
2997 | ||
127d5fd1 | 2998 | void manager_status_printf(Manager *m, StatusType type, const char *status, const char *format, ...) { |
25cee550 MS |
2999 | va_list ap; |
3000 | ||
cb6531be ZJS |
3001 | /* If m is NULL, assume we're after shutdown and let the messages through. */ |
3002 | ||
3003 | if (m && !manager_get_show_status(m, type)) | |
25cee550 MS |
3004 | return; |
3005 | ||
03b717a3 MS |
3006 | /* XXX We should totally drop the check for ephemeral here |
3007 | * and thus effectively make 'Type=idle' pointless. */ | |
cb6531be | 3008 | if (type == STATUS_TYPE_EPHEMERAL && m && m->n_on_console > 0) |
03b717a3 MS |
3009 | return; |
3010 | ||
25cee550 | 3011 | va_start(ap, format); |
127d5fd1 | 3012 | status_vprintf(status, true, type == STATUS_TYPE_EPHEMERAL, format, ap); |
25cee550 MS |
3013 | va_end(ap); |
3014 | } | |
3015 | ||
a57f7e2c LP |
3016 | int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found) { |
3017 | _cleanup_free_ char *p = NULL; | |
3018 | Unit *found; | |
7410616c | 3019 | int r; |
a57f7e2c LP |
3020 | |
3021 | assert(m); | |
3022 | assert(path); | |
3023 | assert(suffix); | |
3024 | assert(_found); | |
3025 | ||
7410616c LP |
3026 | r = unit_name_from_path(path, suffix, &p); |
3027 | if (r < 0) | |
3028 | return r; | |
a57f7e2c LP |
3029 | |
3030 | found = manager_get_unit(m, p); | |
3031 | if (!found) { | |
3032 | *_found = NULL; | |
3033 | return 0; | |
3034 | } | |
3035 | ||
3036 | *_found = found; | |
3037 | return 1; | |
3038 | } | |
3039 | ||
3040 | Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) { | |
3041 | char p[strlen(path)+1]; | |
3042 | ||
3043 | assert(m); | |
3044 | assert(path); | |
3045 | ||
3046 | strcpy(p, path); | |
3047 | path_kill_slashes(p); | |
3048 | ||
3049 | return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p); | |
3050 | } | |
e66cf1a3 LP |
3051 | |
3052 | const char *manager_get_runtime_prefix(Manager *m) { | |
f755e3b7 | 3053 | assert(m); |
e66cf1a3 | 3054 | |
b2c23da8 | 3055 | return m->running_as == MANAGER_SYSTEM ? |
e66cf1a3 LP |
3056 | "/run" : |
3057 | getenv("XDG_RUNTIME_DIR"); | |
3058 | } | |
f755e3b7 | 3059 | |
5269eb6b | 3060 | int manager_update_failed_units(Manager *m, Unit *u, bool failed) { |
03455c28 | 3061 | unsigned size; |
5269eb6b | 3062 | int r; |
03455c28 LDM |
3063 | |
3064 | assert(m); | |
3065 | assert(u->manager == m); | |
3066 | ||
3067 | size = set_size(m->failed_units); | |
3068 | ||
9fff8981 | 3069 | if (failed) { |
5269eb6b LP |
3070 | r = set_ensure_allocated(&m->failed_units, NULL); |
3071 | if (r < 0) | |
3072 | return log_oom(); | |
3073 | ||
9fff8981 | 3074 | if (set_put(m->failed_units, u) < 0) |
5269eb6b | 3075 | return log_oom(); |
9fff8981 | 3076 | } else |
5269eb6b | 3077 | (void) set_remove(m->failed_units, u); |
03455c28 LDM |
3078 | |
3079 | if (set_size(m->failed_units) != size) | |
3080 | bus_manager_send_change_signal(m); | |
5269eb6b LP |
3081 | |
3082 | return 0; | |
03455c28 LDM |
3083 | } |
3084 | ||
f755e3b7 LP |
3085 | ManagerState manager_state(Manager *m) { |
3086 | Unit *u; | |
3087 | ||
3088 | assert(m); | |
3089 | ||
3090 | /* Did we ever finish booting? If not then we are still starting up */ | |
d81afec1 LP |
3091 | if (!dual_timestamp_is_set(&m->finish_timestamp)) { |
3092 | ||
3093 | u = manager_get_unit(m, SPECIAL_BASIC_TARGET); | |
3094 | if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) | |
3095 | return MANAGER_INITIALIZING; | |
3096 | ||
f755e3b7 | 3097 | return MANAGER_STARTING; |
d81afec1 | 3098 | } |
f755e3b7 LP |
3099 | |
3100 | /* Is the special shutdown target queued? If so, we are in shutdown state */ | |
3101 | u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET); | |
3102 | if (u && u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START)) | |
3103 | return MANAGER_STOPPING; | |
3104 | ||
3105 | /* Are the rescue or emergency targets active or queued? If so we are in maintenance state */ | |
3106 | u = manager_get_unit(m, SPECIAL_RESCUE_TARGET); | |
3107 | if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) || | |
3108 | (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START)))) | |
3109 | return MANAGER_MAINTENANCE; | |
3110 | ||
3111 | u = manager_get_unit(m, SPECIAL_EMERGENCY_TARGET); | |
3112 | if (u && (UNIT_IS_ACTIVE_OR_ACTIVATING(unit_active_state(u)) || | |
3113 | (u->job && IN_SET(u->job->type, JOB_START, JOB_RESTART, JOB_TRY_RESTART, JOB_RELOAD_OR_START)))) | |
3114 | return MANAGER_MAINTENANCE; | |
3115 | ||
3116 | /* Are there any failed units? If so, we are in degraded mode */ | |
3117 | if (set_size(m->failed_units) > 0) | |
3118 | return MANAGER_DEGRADED; | |
3119 | ||
3120 | return MANAGER_RUNNING; | |
3121 | } | |
3122 | ||
3123 | static const char *const manager_state_table[_MANAGER_STATE_MAX] = { | |
d81afec1 | 3124 | [MANAGER_INITIALIZING] = "initializing", |
f755e3b7 LP |
3125 | [MANAGER_STARTING] = "starting", |
3126 | [MANAGER_RUNNING] = "running", | |
3127 | [MANAGER_DEGRADED] = "degraded", | |
3128 | [MANAGER_MAINTENANCE] = "maintenance", | |
3129 | [MANAGER_STOPPING] = "stopping", | |
3130 | }; | |
3131 | ||
3132 | DEFINE_STRING_TABLE_LOOKUP(manager_state, ManagerState); |