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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
a7334b09 | 2 | |
60918275 | 3 | #include <errno.h> |
400f1a33 LP |
4 | #include <fcntl.h> |
5 | #include <linux/kd.h> | |
9152c765 | 6 | #include <signal.h> |
713f6f90 | 7 | #include <stdio_ext.h> |
400f1a33 | 8 | #include <string.h> |
e46b13c8 | 9 | #include <sys/epoll.h> |
400f1a33 | 10 | #include <sys/inotify.h> |
e1414003 | 11 | #include <sys/ioctl.h> |
400f1a33 | 12 | #include <sys/reboot.h> |
8742514c | 13 | #include <sys/timerfd.h> |
400f1a33 LP |
14 | #include <sys/wait.h> |
15 | #include <unistd.h> | |
830f6caa | 16 | |
349cc4a5 | 17 | #if HAVE_AUDIT |
4927fcae | 18 | #include <libaudit.h> |
830f6caa | 19 | #endif |
60918275 | 20 | |
718db961 | 21 | #include "sd-daemon.h" |
718db961 | 22 | #include "sd-messages.h" |
3536f49e | 23 | #include "sd-path.h" |
81527be1 | 24 | |
b5efdb8a | 25 | #include "alloc-util.h" |
57b7a260 | 26 | #include "all-units.h" |
400f1a33 LP |
27 | #include "audit-fd.h" |
28 | #include "boot-timestamps.h" | |
29 | #include "bus-common-errors.h" | |
30 | #include "bus-error.h" | |
31 | #include "bus-kernel.h" | |
32 | #include "bus-util.h" | |
00d9ef85 | 33 | #include "clean-ipc.h" |
af6b0ecc | 34 | #include "clock-util.h" |
400f1a33 LP |
35 | #include "dbus-job.h" |
36 | #include "dbus-manager.h" | |
37 | #include "dbus-unit.h" | |
38 | #include "dbus.h" | |
d063a527 | 39 | #include "dirent-util.h" |
400f1a33 | 40 | #include "env-util.h" |
4f5dd394 | 41 | #include "escape.h" |
89711996 | 42 | #include "exec-util.h" |
d3070fbd | 43 | #include "execute.h" |
400f1a33 | 44 | #include "exit-status.h" |
3ffd4af2 | 45 | #include "fd-util.h" |
0d39fa9c | 46 | #include "fileio.h" |
f4f15635 | 47 | #include "fs-util.h" |
60918275 | 48 | #include "hashmap.h" |
c004493c | 49 | #include "io-util.h" |
d3070fbd | 50 | #include "label.h" |
400f1a33 | 51 | #include "locale-setup.h" |
16354eff | 52 | #include "log.h" |
400f1a33 | 53 | #include "macro.h" |
3ffd4af2 | 54 | #include "manager.h" |
400f1a33 | 55 | #include "missing.h" |
49e942b2 | 56 | #include "mkdir.h" |
6bedfcbb | 57 | #include "parse-util.h" |
400f1a33 LP |
58 | #include "path-lookup.h" |
59 | #include "path-util.h" | |
60 | #include "process-util.h" | |
ea430986 | 61 | #include "ratelimit.h" |
31ce987c | 62 | #include "rlimit-util.h" |
c6878637 | 63 | #include "rm-rf.h" |
400f1a33 | 64 | #include "signal-util.h" |
57b7a260 | 65 | #include "socket-util.h" |
514f4ef5 | 66 | #include "special.h" |
8fcde012 | 67 | #include "stat-util.h" |
8b43440b | 68 | #include "string-table.h" |
07630cea | 69 | #include "string-util.h" |
400f1a33 | 70 | #include "strv.h" |
dd1db3c2 | 71 | #include "strxcpyx.h" |
a6ecbf83 | 72 | #include "syslog-util.h" |
400f1a33 LP |
73 | #include "terminal-util.h" |
74 | #include "time-util.h" | |
75 | #include "transaction.h" | |
affb60b1 | 76 | #include "umask-util.h" |
400f1a33 | 77 | #include "unit-name.h" |
00d9ef85 | 78 | #include "user-util.h" |
400f1a33 | 79 | #include "util.h" |
5dc4c17f | 80 | #include "virt.h" |
e96d6be7 | 81 | #include "watchdog.h" |
60918275 | 82 | |
a47806fa | 83 | #define NOTIFY_RCVBUF_SIZE (8*1024*1024) |
d8fdc620 | 84 | #define CGROUPS_AGENT_RCVBUF_SIZE (8*1024*1024) |
a47806fa | 85 | |
03b717a3 | 86 | /* Initial delay and the interval for printing status messages about running jobs */ |
fd08a840 ZJS |
87 | #define JOBS_IN_PROGRESS_WAIT_USEC (5*USEC_PER_SEC) |
88 | #define JOBS_IN_PROGRESS_PERIOD_USEC (USEC_PER_SEC / 3) | |
03b717a3 MS |
89 | #define JOBS_IN_PROGRESS_PERIOD_DIVISOR 3 |
90 | ||
e0a08581 LP |
91 | /* If there are more than 1K bus messages queue across our API and direct busses, then let's not add more on top until |
92 | * the queue gets more empty. */ | |
93 | #define MANAGER_BUS_BUSY_THRESHOLD 1024LU | |
94 | ||
95 | /* How many units and jobs to process of the bus queue before returning to the event loop. */ | |
96 | #define MANAGER_BUS_MESSAGE_BUDGET 100U | |
97 | ||
718db961 | 98 | static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); |
d8fdc620 | 99 | static int manager_dispatch_cgroups_agent_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); |
718db961 LP |
100 | static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); |
101 | static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
102 | static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); | |
00d9ef85 | 103 | static int manager_dispatch_user_lookup_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata); |
718db961 | 104 | static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata); |
752b5905 | 105 | static int manager_dispatch_run_queue(sd_event_source *source, void *userdata); |
575b300b | 106 | static int manager_dispatch_sigchld(sd_event_source *source, void *userdata); |
bbf5fd8e | 107 | static int manager_dispatch_timezone_change(sd_event_source *source, const struct inotify_event *event, void *userdata); |
64691d20 | 108 | static int manager_run_environment_generators(Manager *m); |
e801700e | 109 | static int manager_run_generators(Manager *m); |
718db961 | 110 | |
2ae56591 | 111 | static void manager_watch_jobs_in_progress(Manager *m) { |
e5723c89 | 112 | usec_t next; |
cfa9677b | 113 | int r; |
e5723c89 | 114 | |
718db961 | 115 | assert(m); |
03b717a3 | 116 | |
42bf1ae1 FB |
117 | /* We do not want to show the cylon animation if the user |
118 | * needs to confirm service executions otherwise confirmation | |
119 | * messages will be screwed by the cylon animation. */ | |
b0eb2944 | 120 | if (!manager_is_confirm_spawn_disabled(m)) |
42bf1ae1 FB |
121 | return; |
122 | ||
718db961 | 123 | if (m->jobs_in_progress_event_source) |
2ae56591 | 124 | return; |
03b717a3 | 125 | |
e5723c89 | 126 | next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC; |
cfa9677b | 127 | r = sd_event_add_time( |
6a0f1f6d LP |
128 | m->event, |
129 | &m->jobs_in_progress_event_source, | |
130 | CLOCK_MONOTONIC, | |
131 | next, 0, | |
132 | manager_dispatch_jobs_in_progress, m); | |
cfa9677b MM |
133 | if (r < 0) |
134 | return; | |
7dfbe2e3 TG |
135 | |
136 | (void) sd_event_source_set_description(m->jobs_in_progress_event_source, "manager-jobs-in-progress"); | |
03b717a3 MS |
137 | } |
138 | ||
fbd0b64f | 139 | #define CYLON_BUFFER_EXTRA (2*STRLEN(ANSI_RED) + STRLEN(ANSI_HIGHLIGHT_RED) + 2*STRLEN(ANSI_NORMAL)) |
03b717a3 | 140 | |
03b717a3 MS |
141 | static void draw_cylon(char buffer[], size_t buflen, unsigned width, unsigned pos) { |
142 | char *p = buffer; | |
143 | ||
144 | assert(buflen >= CYLON_BUFFER_EXTRA + width + 1); | |
145 | assert(pos <= width+1); /* 0 or width+1 mean that the center light is behind the corner */ | |
146 | ||
147 | if (pos > 1) { | |
6282c859 MS |
148 | if (pos > 2) |
149 | p = mempset(p, ' ', pos-2); | |
64c3610b FB |
150 | if (log_get_show_color()) |
151 | p = stpcpy(p, ANSI_RED); | |
03b717a3 MS |
152 | *p++ = '*'; |
153 | } | |
154 | ||
155 | if (pos > 0 && pos <= width) { | |
64c3610b FB |
156 | if (log_get_show_color()) |
157 | p = stpcpy(p, ANSI_HIGHLIGHT_RED); | |
03b717a3 MS |
158 | *p++ = '*'; |
159 | } | |
160 | ||
64c3610b FB |
161 | if (log_get_show_color()) |
162 | p = stpcpy(p, ANSI_NORMAL); | |
03b717a3 MS |
163 | |
164 | if (pos < width) { | |
64c3610b FB |
165 | if (log_get_show_color()) |
166 | p = stpcpy(p, ANSI_RED); | |
03b717a3 | 167 | *p++ = '*'; |
6282c859 MS |
168 | if (pos < width-1) |
169 | p = mempset(p, ' ', width-1-pos); | |
64c3610b FB |
170 | if (log_get_show_color()) |
171 | strcpy(p, ANSI_NORMAL); | |
03b717a3 | 172 | } |
03b717a3 MS |
173 | } |
174 | ||
cb8ccb22 | 175 | void manager_flip_auto_status(Manager *m, bool enable) { |
f755e3b7 LP |
176 | assert(m); |
177 | ||
cb8ccb22 ZJS |
178 | if (enable) { |
179 | if (m->show_status == SHOW_STATUS_AUTO) | |
180 | manager_set_show_status(m, SHOW_STATUS_TEMPORARY); | |
181 | } else { | |
182 | if (m->show_status == SHOW_STATUS_TEMPORARY) | |
183 | manager_set_show_status(m, SHOW_STATUS_AUTO); | |
184 | } | |
185 | } | |
186 | ||
03b717a3 | 187 | static void manager_print_jobs_in_progress(Manager *m) { |
718db961 | 188 | _cleanup_free_ char *job_of_n = NULL; |
03b717a3 MS |
189 | Iterator i; |
190 | Job *j; | |
03b717a3 MS |
191 | unsigned counter = 0, print_nr; |
192 | char cylon[6 + CYLON_BUFFER_EXTRA + 1]; | |
193 | unsigned cylon_pos; | |
8bb310c3 ZJS |
194 | char time[FORMAT_TIMESPAN_MAX], limit[FORMAT_TIMESPAN_MAX] = "no limit"; |
195 | uint64_t x; | |
03b717a3 | 196 | |
718db961 | 197 | assert(m); |
9c3349e2 | 198 | assert(m->n_running_jobs > 0); |
718db961 | 199 | |
cb8ccb22 | 200 | manager_flip_auto_status(m, true); |
d450b6f2 | 201 | |
03b717a3 MS |
202 | print_nr = (m->jobs_in_progress_iteration / JOBS_IN_PROGRESS_PERIOD_DIVISOR) % m->n_running_jobs; |
203 | ||
204 | HASHMAP_FOREACH(j, m->jobs, i) | |
205 | if (j->state == JOB_RUNNING && counter++ == print_nr) | |
206 | break; | |
207 | ||
e970a72e MS |
208 | /* m->n_running_jobs must be consistent with the contents of m->jobs, |
209 | * so the above loop must have succeeded in finding j. */ | |
210 | assert(counter == print_nr + 1); | |
51d122af | 211 | assert(j); |
5a82a91a | 212 | |
03b717a3 MS |
213 | cylon_pos = m->jobs_in_progress_iteration % 14; |
214 | if (cylon_pos >= 8) | |
215 | cylon_pos = 14 - cylon_pos; | |
216 | draw_cylon(cylon, sizeof(cylon), 6, cylon_pos); | |
217 | ||
8bb310c3 ZJS |
218 | m->jobs_in_progress_iteration++; |
219 | ||
d6483ba7 ZJS |
220 | if (m->n_running_jobs > 1) { |
221 | if (asprintf(&job_of_n, "(%u of %u) ", counter, m->n_running_jobs) < 0) | |
222 | job_of_n = NULL; | |
223 | } | |
03b717a3 | 224 | |
8bb310c3 ZJS |
225 | format_timespan(time, sizeof(time), now(CLOCK_MONOTONIC) - j->begin_usec, 1*USEC_PER_SEC); |
226 | if (job_get_timeout(j, &x) > 0) | |
227 | format_timespan(limit, sizeof(limit), x - j->begin_usec, 1*USEC_PER_SEC); | |
228 | ||
127d5fd1 | 229 | manager_status_printf(m, STATUS_TYPE_EPHEMERAL, cylon, |
8bb310c3 ZJS |
230 | "%sA %s job is running for %s (%s / %s)", |
231 | strempty(job_of_n), | |
232 | job_type_to_string(j->type), | |
233 | unit_description(j->unit), | |
234 | time, limit); | |
03b717a3 MS |
235 | } |
236 | ||
e46b13c8 ZJS |
237 | static int have_ask_password(void) { |
238 | _cleanup_closedir_ DIR *dir; | |
8fb3f009 | 239 | struct dirent *de; |
e46b13c8 ZJS |
240 | |
241 | dir = opendir("/run/systemd/ask-password"); | |
242 | if (!dir) { | |
243 | if (errno == ENOENT) | |
244 | return false; | |
245 | else | |
246 | return -errno; | |
247 | } | |
248 | ||
8fb3f009 | 249 | FOREACH_DIRENT_ALL(de, dir, return -errno) { |
e46b13c8 ZJS |
250 | if (startswith(de->d_name, "ask.")) |
251 | return true; | |
252 | } | |
8fb3f009 | 253 | return false; |
e46b13c8 ZJS |
254 | } |
255 | ||
256 | static int manager_dispatch_ask_password_fd(sd_event_source *source, | |
257 | int fd, uint32_t revents, void *userdata) { | |
258 | Manager *m = userdata; | |
259 | ||
260 | assert(m); | |
261 | ||
665dfe93 | 262 | (void) flush_fd(fd); |
e46b13c8 ZJS |
263 | |
264 | m->have_ask_password = have_ask_password(); | |
265 | if (m->have_ask_password < 0) | |
266 | /* Log error but continue. Negative have_ask_password | |
267 | * is treated as unknown status. */ | |
c33b3297 | 268 | log_error_errno(m->have_ask_password, "Failed to list /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
269 | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static void manager_close_ask_password(Manager *m) { | |
274 | assert(m); | |
275 | ||
e46b13c8 | 276 | m->ask_password_event_source = sd_event_source_unref(m->ask_password_event_source); |
90990e28 | 277 | m->ask_password_inotify_fd = safe_close(m->ask_password_inotify_fd); |
e46b13c8 ZJS |
278 | m->have_ask_password = -EINVAL; |
279 | } | |
280 | ||
281 | static int manager_check_ask_password(Manager *m) { | |
282 | int r; | |
283 | ||
284 | assert(m); | |
285 | ||
286 | if (!m->ask_password_event_source) { | |
287 | assert(m->ask_password_inotify_fd < 0); | |
288 | ||
289 | mkdir_p_label("/run/systemd/ask-password", 0755); | |
290 | ||
291 | m->ask_password_inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC); | |
4a62c710 MS |
292 | if (m->ask_password_inotify_fd < 0) |
293 | return log_error_errno(errno, "inotify_init1() failed: %m"); | |
e46b13c8 ZJS |
294 | |
295 | if (inotify_add_watch(m->ask_password_inotify_fd, "/run/systemd/ask-password", IN_CREATE|IN_DELETE|IN_MOVE) < 0) { | |
56f64d95 | 296 | log_error_errno(errno, "Failed to add watch on /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
297 | manager_close_ask_password(m); |
298 | return -errno; | |
299 | } | |
300 | ||
301 | r = sd_event_add_io(m->event, &m->ask_password_event_source, | |
302 | m->ask_password_inotify_fd, EPOLLIN, | |
303 | manager_dispatch_ask_password_fd, m); | |
304 | if (r < 0) { | |
56f64d95 | 305 | log_error_errno(errno, "Failed to add event source for /run/systemd/ask-password: %m"); |
e46b13c8 ZJS |
306 | manager_close_ask_password(m); |
307 | return -errno; | |
308 | } | |
309 | ||
7dfbe2e3 TG |
310 | (void) sd_event_source_set_description(m->ask_password_event_source, "manager-ask-password"); |
311 | ||
e46b13c8 ZJS |
312 | /* Queries might have been added meanwhile... */ |
313 | manager_dispatch_ask_password_fd(m->ask_password_event_source, | |
314 | m->ask_password_inotify_fd, EPOLLIN, m); | |
315 | } | |
316 | ||
317 | return m->have_ask_password; | |
318 | } | |
319 | ||
31a7eb86 | 320 | static int manager_watch_idle_pipe(Manager *m) { |
31a7eb86 ZJS |
321 | int r; |
322 | ||
718db961 LP |
323 | assert(m); |
324 | ||
325 | if (m->idle_pipe_event_source) | |
31a7eb86 ZJS |
326 | return 0; |
327 | ||
328 | if (m->idle_pipe[2] < 0) | |
329 | return 0; | |
330 | ||
151b9b96 | 331 | 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 |
332 | if (r < 0) |
333 | return log_error_errno(r, "Failed to watch idle pipe: %m"); | |
31a7eb86 | 334 | |
7dfbe2e3 TG |
335 | (void) sd_event_source_set_description(m->idle_pipe_event_source, "manager-idle-pipe"); |
336 | ||
31a7eb86 | 337 | return 0; |
31a7eb86 ZJS |
338 | } |
339 | ||
718db961 LP |
340 | static void manager_close_idle_pipe(Manager *m) { |
341 | assert(m); | |
31a7eb86 | 342 | |
cd72bd8a LP |
343 | m->idle_pipe_event_source = sd_event_source_unref(m->idle_pipe_event_source); |
344 | ||
3d94f76c LP |
345 | safe_close_pair(m->idle_pipe); |
346 | safe_close_pair(m->idle_pipe + 2); | |
31a7eb86 ZJS |
347 | } |
348 | ||
8742514c | 349 | static int manager_setup_time_change(Manager *m) { |
718db961 | 350 | int r; |
b92bea5d | 351 | |
718db961 | 352 | assert(m); |
8742514c | 353 | |
638cece4 | 354 | if (MANAGER_IS_TEST_RUN(m)) |
0d8c31ff ZJS |
355 | return 0; |
356 | ||
7feedd18 LP |
357 | m->time_change_event_source = sd_event_source_unref(m->time_change_event_source); |
358 | m->time_change_fd = safe_close(m->time_change_fd); | |
359 | ||
4f811d27 | 360 | m->time_change_fd = time_change_fd(); |
4a62c710 | 361 | if (m->time_change_fd < 0) |
4f811d27 | 362 | return log_error_errno(m->time_change_fd, "Failed to create timer change timer fd: %m"); |
8742514c | 363 | |
151b9b96 | 364 | 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 |
365 | if (r < 0) |
366 | return log_error_errno(r, "Failed to create time change event source: %m"); | |
8742514c | 367 | |
a5cc7e5a LP |
368 | /* Schedule this slightly earlier than the .timer event sources */ |
369 | r = sd_event_source_set_priority(m->time_change_event_source, SD_EVENT_PRIORITY_NORMAL-1); | |
370 | if (r < 0) | |
371 | return log_error_errno(r, "Failed to set priority of time change event sources: %m"); | |
372 | ||
7dfbe2e3 TG |
373 | (void) sd_event_source_set_description(m->time_change_event_source, "manager-time-change"); |
374 | ||
8742514c LP |
375 | log_debug("Set up TFD_TIMER_CANCEL_ON_SET timerfd."); |
376 | ||
377 | return 0; | |
378 | } | |
379 | ||
bbf5fd8e LP |
380 | static int manager_read_timezone_stat(Manager *m) { |
381 | struct stat st; | |
382 | bool changed; | |
383 | ||
384 | assert(m); | |
385 | ||
386 | /* Read the current stat() data of /etc/localtime so that we detect changes */ | |
387 | if (lstat("/etc/localtime", &st) < 0) { | |
388 | log_debug_errno(errno, "Failed to stat /etc/localtime, ignoring: %m"); | |
389 | changed = m->etc_localtime_accessible; | |
390 | m->etc_localtime_accessible = false; | |
391 | } else { | |
392 | usec_t k; | |
393 | ||
394 | k = timespec_load(&st.st_mtim); | |
395 | changed = !m->etc_localtime_accessible || k != m->etc_localtime_mtime; | |
396 | ||
397 | m->etc_localtime_mtime = k; | |
398 | m->etc_localtime_accessible = true; | |
399 | } | |
400 | ||
401 | return changed; | |
402 | } | |
403 | ||
404 | static int manager_setup_timezone_change(Manager *m) { | |
a5cc7e5a | 405 | _cleanup_(sd_event_source_unrefp) sd_event_source *new_event = NULL; |
bbf5fd8e LP |
406 | int r; |
407 | ||
408 | assert(m); | |
409 | ||
638cece4 | 410 | if (MANAGER_IS_TEST_RUN(m)) |
bbf5fd8e LP |
411 | return 0; |
412 | ||
413 | /* We watch /etc/localtime for three events: change of the link count (which might mean removal from /etc even | |
414 | * though another link might be kept), renames, and file close operations after writing. Note we don't bother | |
415 | * with IN_DELETE_SELF, as that would just report when the inode is removed entirely, i.e. after the link count | |
416 | * went to zero and all fds to it are closed. | |
417 | * | |
418 | * Note that we never follow symlinks here. This is a simplification, but should cover almost all cases | |
419 | * correctly. | |
420 | * | |
421 | * Note that we create the new event source first here, before releasing the old one. This should optimize | |
422 | * behaviour as this way sd-event can reuse the old watch in case the inode didn't change. */ | |
423 | ||
424 | r = sd_event_add_inotify(m->event, &new_event, "/etc/localtime", | |
425 | IN_ATTRIB|IN_MOVE_SELF|IN_CLOSE_WRITE|IN_DONT_FOLLOW, manager_dispatch_timezone_change, m); | |
426 | if (r == -ENOENT) /* If the file doesn't exist yet, subscribe to /etc instead, and wait until it is created | |
427 | * either by O_CREATE or by rename() */ | |
428 | r = sd_event_add_inotify(m->event, &new_event, "/etc", | |
429 | IN_CREATE|IN_MOVED_TO|IN_ONLYDIR, manager_dispatch_timezone_change, m); | |
430 | if (r < 0) | |
431 | return log_error_errno(r, "Failed to create timezone change event source: %m"); | |
432 | ||
a5cc7e5a LP |
433 | /* Schedule this slightly earlier than the .timer event sources */ |
434 | r = sd_event_source_set_priority(new_event, SD_EVENT_PRIORITY_NORMAL-1); | |
435 | if (r < 0) | |
436 | return log_error_errno(r, "Failed to set priority of timezone change event sources: %m"); | |
437 | ||
bbf5fd8e | 438 | sd_event_source_unref(m->timezone_change_event_source); |
a5cc7e5a | 439 | m->timezone_change_event_source = TAKE_PTR(new_event); |
bbf5fd8e LP |
440 | |
441 | return 0; | |
442 | } | |
443 | ||
80876c20 | 444 | static int enable_special_signals(Manager *m) { |
718db961 | 445 | _cleanup_close_ int fd = -1; |
80876c20 LP |
446 | |
447 | assert(m); | |
448 | ||
638cece4 | 449 | if (MANAGER_IS_TEST_RUN(m)) |
37453b3a EV |
450 | return 0; |
451 | ||
a41b539e | 452 | /* Enable that we get SIGINT on control-alt-del. In containers |
c9999773 LP |
453 | * this will fail with EPERM (older) or EINVAL (newer), so |
454 | * ignore that. */ | |
4c701096 | 455 | if (reboot(RB_DISABLE_CAD) < 0 && !IN_SET(errno, EPERM, EINVAL)) |
56f64d95 | 456 | log_warning_errno(errno, "Failed to enable ctrl-alt-del handling: %m"); |
80876c20 | 457 | |
a41b539e LP |
458 | fd = open_terminal("/dev/tty0", O_RDWR|O_NOCTTY|O_CLOEXEC); |
459 | if (fd < 0) { | |
460 | /* Support systems without virtual console */ | |
461 | if (fd != -ENOENT) | |
56f64d95 | 462 | log_warning_errno(errno, "Failed to open /dev/tty0: %m"); |
a41b539e | 463 | } else { |
80876c20 LP |
464 | /* Enable that we get SIGWINCH on kbrequest */ |
465 | if (ioctl(fd, KDSIGACCEPT, SIGWINCH) < 0) | |
56f64d95 | 466 | log_warning_errno(errno, "Failed to enable kbrequest handling: %m"); |
80876c20 LP |
467 | } |
468 | ||
469 | return 0; | |
470 | } | |
471 | ||
8750ac02 ZJS |
472 | #define RTSIG_IF_AVAILABLE(signum) (signum <= SIGRTMAX ? signum : -1) |
473 | ||
ce578209 | 474 | static int manager_setup_signals(Manager *m) { |
b92bea5d ZJS |
475 | struct sigaction sa = { |
476 | .sa_handler = SIG_DFL, | |
477 | .sa_flags = SA_NOCLDSTOP|SA_RESTART, | |
478 | }; | |
718db961 LP |
479 | sigset_t mask; |
480 | int r; | |
60918275 | 481 | |
ce578209 LP |
482 | assert(m); |
483 | ||
57c0c30e LP |
484 | assert_se(sigaction(SIGCHLD, &sa, NULL) == 0); |
485 | ||
4dffec14 LP |
486 | /* We make liberal use of realtime signals here. On |
487 | * Linux/glibc we have 30 of them (with the exception of Linux | |
488 | * on hppa, see below), between SIGRTMIN+0 ... SIGRTMIN+30 | |
489 | * (aka SIGRTMAX). */ | |
7d793605 | 490 | |
4dffec14 | 491 | assert_se(sigemptyset(&mask) == 0); |
7d793605 LP |
492 | sigset_add_many(&mask, |
493 | SIGCHLD, /* Child died */ | |
494 | SIGTERM, /* Reexecute daemon */ | |
495 | SIGHUP, /* Reload configuration */ | |
496 | SIGUSR1, /* systemd/upstart: reconnect to D-Bus */ | |
497 | SIGUSR2, /* systemd: dump status */ | |
498 | SIGINT, /* Kernel sends us this on control-alt-del */ | |
499 | SIGWINCH, /* Kernel sends us this on kbrequest (alt-arrowup) */ | |
500 | SIGPWR, /* Some kernel drivers and upsd send us this on power failure */ | |
4dffec14 | 501 | |
7d793605 | 502 | SIGRTMIN+0, /* systemd: start default.target */ |
0003d1ab | 503 | SIGRTMIN+1, /* systemd: isolate rescue.target */ |
7d793605 LP |
504 | SIGRTMIN+2, /* systemd: isolate emergency.target */ |
505 | SIGRTMIN+3, /* systemd: start halt.target */ | |
506 | SIGRTMIN+4, /* systemd: start poweroff.target */ | |
507 | SIGRTMIN+5, /* systemd: start reboot.target */ | |
0003d1ab | 508 | SIGRTMIN+6, /* systemd: start kexec.target */ |
4dffec14 LP |
509 | |
510 | /* ... space for more special targets ... */ | |
511 | ||
0003d1ab LP |
512 | SIGRTMIN+13, /* systemd: Immediate halt */ |
513 | SIGRTMIN+14, /* systemd: Immediate poweroff */ | |
514 | SIGRTMIN+15, /* systemd: Immediate reboot */ | |
515 | SIGRTMIN+16, /* systemd: Immediate kexec */ | |
4dffec14 LP |
516 | |
517 | /* ... space for more immediate system state changes ... */ | |
518 | ||
0658666b LP |
519 | SIGRTMIN+20, /* systemd: enable status messages */ |
520 | SIGRTMIN+21, /* systemd: disable status messages */ | |
253ee27a LP |
521 | SIGRTMIN+22, /* systemd: set log level to LOG_DEBUG */ |
522 | SIGRTMIN+23, /* systemd: set log level to LOG_INFO */ | |
600b704e | 523 | SIGRTMIN+24, /* systemd: Immediate exit (--user only) */ |
4dffec14 LP |
524 | |
525 | /* .. one free signal here ... */ | |
526 | ||
8750ac02 ZJS |
527 | /* Apparently Linux on hppa had fewer RT signals until v3.18, |
528 | * SIGRTMAX was SIGRTMIN+25, and then SIGRTMIN was lowered, | |
529 | * see commit v3.17-7614-g1f25df2eff. | |
530 | * | |
531 | * We cannot unconditionally make use of those signals here, | |
532 | * so let's use a runtime check. Since these commands are | |
533 | * accessible by different means and only really a safety | |
534 | * net, the missing functionality on hppa shouldn't matter. | |
535 | */ | |
536 | ||
537 | RTSIG_IF_AVAILABLE(SIGRTMIN+26), /* systemd: set log target to journal-or-kmsg */ | |
538 | RTSIG_IF_AVAILABLE(SIGRTMIN+27), /* systemd: set log target to console */ | |
539 | RTSIG_IF_AVAILABLE(SIGRTMIN+28), /* systemd: set log target to kmsg */ | |
540 | RTSIG_IF_AVAILABLE(SIGRTMIN+29), /* systemd: set log target to syslog-or-kmsg (obsolete) */ | |
4dffec14 LP |
541 | |
542 | /* ... one free signal here SIGRTMIN+30 ... */ | |
7d793605 | 543 | -1); |
ce578209 LP |
544 | assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 0); |
545 | ||
718db961 LP |
546 | m->signal_fd = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC); |
547 | if (m->signal_fd < 0) | |
ce578209 LP |
548 | return -errno; |
549 | ||
151b9b96 | 550 | r = sd_event_add_io(m->event, &m->signal_event_source, m->signal_fd, EPOLLIN, manager_dispatch_signal_fd, m); |
718db961 LP |
551 | if (r < 0) |
552 | return r; | |
ce578209 | 553 | |
7dfbe2e3 TG |
554 | (void) sd_event_source_set_description(m->signal_event_source, "manager-signal"); |
555 | ||
d8fdc620 LP |
556 | /* Process signals a bit earlier than the rest of things, but later than notify_fd processing, so that the |
557 | * notify processing can still figure out to which process/service a message belongs, before we reap the | |
558 | * process. Also, process this before handling cgroup notifications, so that we always collect child exit | |
559 | * status information before detecting that there's no process in a cgroup. */ | |
560 | r = sd_event_source_set_priority(m->signal_event_source, SD_EVENT_PRIORITY_NORMAL-6); | |
29083707 LP |
561 | if (r < 0) |
562 | return r; | |
563 | ||
463d0d15 | 564 | if (MANAGER_IS_SYSTEM(m)) |
80876c20 | 565 | return enable_special_signals(m); |
e1414003 | 566 | |
ce578209 LP |
567 | return 0; |
568 | } | |
569 | ||
47cf8ff2 | 570 | static void manager_sanitize_environment(Manager *m) { |
f069efb4 LP |
571 | assert(m); |
572 | ||
47cf8ff2 | 573 | /* Let's remove some environment variables that we need ourselves to communicate with our clients */ |
f069efb4 LP |
574 | strv_env_unset_many( |
575 | m->environment, | |
47cf8ff2 LP |
576 | "EXIT_CODE", |
577 | "EXIT_STATUS", | |
578 | "INVOCATION_ID", | |
579 | "JOURNAL_STREAM", | |
580 | "LISTEN_FDNAMES", | |
581 | "LISTEN_FDS", | |
582 | "LISTEN_PID", | |
f069efb4 LP |
583 | "MAINPID", |
584 | "MANAGERPID", | |
47cf8ff2 LP |
585 | "NOTIFY_SOCKET", |
586 | "REMOTE_ADDR", | |
587 | "REMOTE_PORT", | |
588 | "SERVICE_RESULT", | |
f069efb4 LP |
589 | "WATCHDOG_PID", |
590 | "WATCHDOG_USEC", | |
591 | NULL); | |
47cf8ff2 LP |
592 | |
593 | /* Let's order the environment alphabetically, just to make it pretty */ | |
594 | strv_sort(m->environment); | |
f069efb4 LP |
595 | } |
596 | ||
e21fea24 | 597 | static int manager_default_environment(Manager *m) { |
71ecc858 LP |
598 | assert(m); |
599 | ||
463d0d15 | 600 | if (MANAGER_IS_SYSTEM(m)) { |
e21fea24 KS |
601 | /* The system manager always starts with a clean |
602 | * environment for its children. It does not import | |
71cb7d30 | 603 | * the kernel's or the parents' exported variables. |
e21fea24 | 604 | * |
71cb7d30 | 605 | * The initial passed environment is untouched to keep |
e21fea24 KS |
606 | * /proc/self/environ valid; it is used for tagging |
607 | * the init process inside containers. */ | |
43638332 ZJS |
608 | m->environment = strv_new("PATH=" DEFAULT_PATH, |
609 | NULL); | |
e21fea24 KS |
610 | |
611 | /* Import locale variables LC_*= from configuration */ | |
612 | locale_setup(&m->environment); | |
71cb7d30 | 613 | } else |
e21fea24 KS |
614 | /* The user manager passes its own environment |
615 | * along to its children. */ | |
616 | m->environment = strv_copy(environ); | |
43d03a83 | 617 | |
e21fea24 KS |
618 | if (!m->environment) |
619 | return -ENOMEM; | |
8b55b8c4 | 620 | |
47cf8ff2 | 621 | manager_sanitize_environment(m); |
9d5a3757 | 622 | |
e21fea24 | 623 | return 0; |
71ecc858 LP |
624 | } |
625 | ||
3536f49e YW |
626 | static int manager_setup_prefix(Manager *m) { |
627 | struct table_entry { | |
628 | uint64_t type; | |
629 | const char *suffix; | |
630 | }; | |
631 | ||
72fd1768 | 632 | static const struct table_entry paths_system[_EXEC_DIRECTORY_TYPE_MAX] = { |
3536f49e YW |
633 | [EXEC_DIRECTORY_RUNTIME] = { SD_PATH_SYSTEM_RUNTIME, NULL }, |
634 | [EXEC_DIRECTORY_STATE] = { SD_PATH_SYSTEM_STATE_PRIVATE, NULL }, | |
635 | [EXEC_DIRECTORY_CACHE] = { SD_PATH_SYSTEM_STATE_CACHE, NULL }, | |
636 | [EXEC_DIRECTORY_LOGS] = { SD_PATH_SYSTEM_STATE_LOGS, NULL }, | |
637 | [EXEC_DIRECTORY_CONFIGURATION] = { SD_PATH_SYSTEM_CONFIGURATION, NULL }, | |
638 | }; | |
639 | ||
72fd1768 | 640 | static const struct table_entry paths_user[_EXEC_DIRECTORY_TYPE_MAX] = { |
3536f49e YW |
641 | [EXEC_DIRECTORY_RUNTIME] = { SD_PATH_USER_RUNTIME, NULL }, |
642 | [EXEC_DIRECTORY_STATE] = { SD_PATH_USER_CONFIGURATION, NULL }, | |
c6218495 LP |
643 | [EXEC_DIRECTORY_CACHE] = { SD_PATH_USER_STATE_CACHE, NULL }, |
644 | [EXEC_DIRECTORY_LOGS] = { SD_PATH_USER_CONFIGURATION, "log" }, | |
645 | [EXEC_DIRECTORY_CONFIGURATION] = { SD_PATH_USER_CONFIGURATION, NULL }, | |
3536f49e YW |
646 | }; |
647 | ||
648 | const struct table_entry *p; | |
649 | ExecDirectoryType i; | |
650 | int r; | |
651 | ||
652 | assert(m); | |
653 | ||
654 | if (MANAGER_IS_SYSTEM(m)) | |
655 | p = paths_system; | |
656 | else | |
657 | p = paths_user; | |
658 | ||
72fd1768 | 659 | for (i = 0; i < _EXEC_DIRECTORY_TYPE_MAX; i++) { |
3536f49e YW |
660 | r = sd_path_home(p[i].type, p[i].suffix, &m->prefix[i]); |
661 | if (r < 0) | |
662 | return r; | |
663 | } | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
279d81dd LP |
668 | static int manager_setup_run_queue(Manager *m) { |
669 | int r; | |
670 | ||
671 | assert(m); | |
672 | assert(!m->run_queue_event_source); | |
673 | ||
674 | r = sd_event_add_defer(m->event, &m->run_queue_event_source, manager_dispatch_run_queue, m); | |
675 | if (r < 0) | |
676 | return r; | |
677 | ||
678 | r = sd_event_source_set_priority(m->run_queue_event_source, SD_EVENT_PRIORITY_IDLE); | |
679 | if (r < 0) | |
680 | return r; | |
681 | ||
682 | r = sd_event_source_set_enabled(m->run_queue_event_source, SD_EVENT_OFF); | |
683 | if (r < 0) | |
684 | return r; | |
685 | ||
686 | (void) sd_event_source_set_description(m->run_queue_event_source, "manager-run-queue"); | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
575b300b LP |
691 | static int manager_setup_sigchld_event_source(Manager *m) { |
692 | int r; | |
693 | ||
694 | assert(m); | |
695 | assert(!m->sigchld_event_source); | |
696 | ||
697 | r = sd_event_add_defer(m->event, &m->sigchld_event_source, manager_dispatch_sigchld, m); | |
698 | if (r < 0) | |
699 | return r; | |
700 | ||
701 | r = sd_event_source_set_priority(m->sigchld_event_source, SD_EVENT_PRIORITY_NORMAL-7); | |
702 | if (r < 0) | |
703 | return r; | |
704 | ||
705 | r = sd_event_source_set_enabled(m->sigchld_event_source, SD_EVENT_OFF); | |
706 | if (r < 0) | |
707 | return r; | |
708 | ||
709 | (void) sd_event_source_set_description(m->sigchld_event_source, "manager-sigchld"); | |
710 | ||
711 | return 0; | |
712 | } | |
713 | ||
638cece4 | 714 | int manager_new(UnitFileScope scope, ManagerTestRunFlags test_run_flags, Manager **_m) { |
c70cac54 | 715 | _cleanup_(manager_freep) Manager *m = NULL; |
e3dd987c | 716 | int r; |
8e274523 LP |
717 | |
718 | assert(_m); | |
463d0d15 | 719 | assert(IN_SET(scope, UNIT_FILE_SYSTEM, UNIT_FILE_USER)); |
ce578209 | 720 | |
3ad228ce | 721 | m = new(Manager, 1); |
915b3753 | 722 | if (!m) |
8e274523 | 723 | return -ENOMEM; |
60918275 | 724 | |
3ad228ce LP |
725 | *m = (Manager) { |
726 | .unit_file_scope = scope, | |
727 | .objective = _MANAGER_OBJECTIVE_INVALID, | |
728 | ||
729 | .default_timer_accuracy_usec = USEC_PER_MINUTE, | |
730 | .default_memory_accounting = MEMORY_ACCOUNTING_DEFAULT, | |
731 | .default_tasks_accounting = true, | |
732 | .default_tasks_max = UINT64_MAX, | |
733 | .default_timeout_start_usec = DEFAULT_TIMEOUT_USEC, | |
734 | .default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC, | |
735 | .default_restart_usec = DEFAULT_RESTART_USEC, | |
736 | ||
737 | .original_log_level = -1, | |
738 | .original_log_target = _LOG_TARGET_INVALID, | |
739 | ||
740 | .notify_fd = -1, | |
741 | .cgroups_agent_fd = -1, | |
742 | .signal_fd = -1, | |
743 | .time_change_fd = -1, | |
744 | .user_lookup_fds = { -1, -1 }, | |
745 | .private_listen_fd = -1, | |
746 | .dev_autofs_fd = -1, | |
747 | .cgroup_inotify_fd = -1, | |
748 | .pin_cgroupfs_fd = -1, | |
749 | .ask_password_inotify_fd = -1, | |
750 | .idle_pipe = { -1, -1, -1, -1}, | |
751 | ||
752 | /* start as id #1, so that we can leave #0 around as "null-like" value */ | |
753 | .current_job_id = 1, | |
754 | ||
755 | .have_ask_password = -EINVAL, /* we don't know */ | |
756 | .first_boot = -1, | |
757 | .test_run_flags = test_run_flags, | |
758 | }; | |
80876c20 | 759 | |
349cc4a5 | 760 | #if ENABLE_EFI |
463d0d15 | 761 | if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0) |
9f9f0342 LP |
762 | boot_timestamps(m->timestamps + MANAGER_TIMESTAMP_USERSPACE, |
763 | m->timestamps + MANAGER_TIMESTAMP_FIRMWARE, | |
764 | m->timestamps + MANAGER_TIMESTAMP_LOADER); | |
463d0d15 LP |
765 | #endif |
766 | ||
f2341e0a | 767 | /* Prepare log fields we can use for structured logging */ |
463d0d15 LP |
768 | if (MANAGER_IS_SYSTEM(m)) { |
769 | m->unit_log_field = "UNIT="; | |
770 | m->unit_log_format_string = "UNIT=%s"; | |
4b58153d LP |
771 | |
772 | m->invocation_log_field = "INVOCATION_ID="; | |
f1c50bec | 773 | m->invocation_log_format_string = "INVOCATION_ID=%s"; |
463d0d15 LP |
774 | } else { |
775 | m->unit_log_field = "USER_UNIT="; | |
776 | m->unit_log_format_string = "USER_UNIT=%s"; | |
4b58153d LP |
777 | |
778 | m->invocation_log_field = "USER_INVOCATION_ID="; | |
f1c50bec | 779 | m->invocation_log_format_string = "USER_INVOCATION_ID=%s"; |
463d0d15 | 780 | } |
f2341e0a | 781 | |
2e5c94b9 LP |
782 | /* Reboot immediately if the user hits C-A-D more often than 7x per 2s */ |
783 | RATELIMIT_INIT(m->ctrl_alt_del_ratelimit, 2 * USEC_PER_SEC, 7); | |
784 | ||
e21fea24 KS |
785 | r = manager_default_environment(m); |
786 | if (r < 0) | |
c70cac54 | 787 | return r; |
1137a57c | 788 | |
d5099efc | 789 | r = hashmap_ensure_allocated(&m->units, &string_hash_ops); |
718db961 | 790 | if (r < 0) |
c70cac54 | 791 | return r; |
60918275 | 792 | |
d5099efc | 793 | r = hashmap_ensure_allocated(&m->jobs, NULL); |
718db961 | 794 | if (r < 0) |
c70cac54 | 795 | return r; |
60918275 | 796 | |
548f6937 | 797 | r = hashmap_ensure_allocated(&m->cgroup_unit, &path_hash_ops); |
718db961 | 798 | if (r < 0) |
c70cac54 | 799 | return r; |
9152c765 | 800 | |
d5099efc | 801 | r = hashmap_ensure_allocated(&m->watch_bus, &string_hash_ops); |
718db961 | 802 | if (r < 0) |
c70cac54 | 803 | return r; |
05e343b7 | 804 | |
e8112e67 | 805 | r = manager_setup_prefix(m); |
718db961 | 806 | if (r < 0) |
c70cac54 | 807 | return r; |
8742514c | 808 | |
e8112e67 | 809 | r = sd_event_default(&m->event); |
8742514c | 810 | if (r < 0) |
c70cac54 | 811 | return r; |
9152c765 | 812 | |
e8112e67 | 813 | r = manager_setup_run_queue(m); |
a1d32bac | 814 | if (r < 0) |
c70cac54 | 815 | return r; |
8e274523 | 816 | |
e8112e67 ZJS |
817 | if (test_run_flags == MANAGER_TEST_RUN_MINIMAL) { |
818 | m->cgroup_root = strdup(""); | |
819 | if (!m->cgroup_root) | |
820 | return -ENOMEM; | |
821 | } else { | |
822 | r = manager_setup_signals(m); | |
823 | if (r < 0) | |
824 | return r; | |
8c47c732 | 825 | |
e8112e67 ZJS |
826 | r = manager_setup_cgroup(m); |
827 | if (r < 0) | |
828 | return r; | |
575b300b | 829 | |
e8112e67 ZJS |
830 | r = manager_setup_time_change(m); |
831 | if (r < 0) | |
832 | return r; | |
9670d583 | 833 | |
bbf5fd8e LP |
834 | r = manager_read_timezone_stat(m); |
835 | if (r < 0) | |
836 | return r; | |
837 | ||
838 | r = manager_setup_timezone_change(m); | |
839 | if (r < 0) | |
840 | return r; | |
841 | ||
e8112e67 ZJS |
842 | r = manager_setup_sigchld_event_source(m); |
843 | if (r < 0) | |
844 | return r; | |
845 | } | |
e27fe688 | 846 | |
5eb397cf | 847 | if (MANAGER_IS_SYSTEM(m) && test_run_flags == 0) { |
d3070fbd LP |
848 | r = mkdir_label("/run/systemd/units", 0755); |
849 | if (r < 0 && r != -EEXIST) | |
c70cac54 | 850 | return r; |
d3070fbd LP |
851 | } |
852 | ||
e27fe688 LP |
853 | m->taint_usr = |
854 | !in_initrd() && | |
855 | dir_is_empty("/usr") > 0; | |
856 | ||
232f6754 ZJS |
857 | /* Note that we do not set up the notify fd here. We do that after deserialization, |
858 | * since they might have gotten serialized across the reexec. */ | |
3536f49e | 859 | |
1cc6c93a YW |
860 | *_m = TAKE_PTR(m); |
861 | ||
8e274523 | 862 | return 0; |
60918275 LP |
863 | } |
864 | ||
d86f9d52 | 865 | static int manager_setup_notify(Manager *m) { |
7181dbdb | 866 | int r; |
d86f9d52 | 867 | |
638cece4 | 868 | if (MANAGER_IS_TEST_RUN(m)) |
0d8c31ff ZJS |
869 | return 0; |
870 | ||
d86f9d52 LP |
871 | if (m->notify_fd < 0) { |
872 | _cleanup_close_ int fd = -1; | |
920b52e4 | 873 | union sockaddr_union sa = { |
7181dbdb LP |
874 | .sa.sa_family = AF_UNIX, |
875 | }; | |
55836941 | 876 | static const int one = 1; |
d86f9d52 LP |
877 | |
878 | /* First free all secondary fields */ | |
a1e58e8e | 879 | m->notify_socket = mfree(m->notify_socket); |
d86f9d52 LP |
880 | m->notify_event_source = sd_event_source_unref(m->notify_event_source); |
881 | ||
882 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
4a62c710 MS |
883 | if (fd < 0) |
884 | return log_error_errno(errno, "Failed to allocate notification socket: %m"); | |
d86f9d52 | 885 | |
a47806fa LP |
886 | fd_inc_rcvbuf(fd, NOTIFY_RCVBUF_SIZE); |
887 | ||
3536f49e | 888 | m->notify_socket = strappend(m->prefix[EXEC_DIRECTORY_RUNTIME], "/systemd/notify"); |
498e87d6 LP |
889 | if (!m->notify_socket) |
890 | return log_oom(); | |
891 | ||
892 | (void) mkdir_parents_label(m->notify_socket, 0755); | |
f0e62e89 | 893 | (void) unlink(m->notify_socket); |
7181dbdb LP |
894 | |
895 | strncpy(sa.un.sun_path, m->notify_socket, sizeof(sa.un.sun_path)-1); | |
fc2fffe7 | 896 | r = bind(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)); |
4a62c710 MS |
897 | if (r < 0) |
898 | return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path); | |
d86f9d52 LP |
899 | |
900 | r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one)); | |
4a62c710 MS |
901 | if (r < 0) |
902 | return log_error_errno(errno, "SO_PASSCRED failed: %m"); | |
d86f9d52 | 903 | |
c10d6bdb | 904 | m->notify_fd = TAKE_FD(fd); |
d86f9d52 LP |
905 | |
906 | log_debug("Using notification socket %s", m->notify_socket); | |
907 | } | |
908 | ||
909 | if (!m->notify_event_source) { | |
151b9b96 | 910 | r = sd_event_add_io(m->event, &m->notify_event_source, m->notify_fd, EPOLLIN, manager_dispatch_notify_fd, m); |
895b3a7b MS |
911 | if (r < 0) |
912 | return log_error_errno(r, "Failed to allocate notify event source: %m"); | |
d86f9d52 | 913 | |
d8fdc620 LP |
914 | /* Process notification messages a bit earlier than SIGCHLD, so that we can still identify to which |
915 | * service an exit message belongs. */ | |
575b300b | 916 | r = sd_event_source_set_priority(m->notify_event_source, SD_EVENT_PRIORITY_NORMAL-8); |
23bbb0de MS |
917 | if (r < 0) |
918 | return log_error_errno(r, "Failed to set priority of notify event source: %m"); | |
7dfbe2e3 TG |
919 | |
920 | (void) sd_event_source_set_description(m->notify_event_source, "manager-notify"); | |
d86f9d52 LP |
921 | } |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
d8fdc620 LP |
926 | static int manager_setup_cgroups_agent(Manager *m) { |
927 | ||
928 | static const union sockaddr_union sa = { | |
929 | .un.sun_family = AF_UNIX, | |
930 | .un.sun_path = "/run/systemd/cgroups-agent", | |
931 | }; | |
932 | int r; | |
933 | ||
934 | /* This creates a listening socket we receive cgroups agent messages on. We do not use D-Bus for delivering | |
935 | * these messages from the cgroups agent binary to PID 1, as the cgroups agent binary is very short-living, and | |
936 | * each instance of it needs a new D-Bus connection. Since D-Bus connections are SOCK_STREAM/AF_UNIX, on | |
937 | * overloaded systems the backlog of the D-Bus socket becomes relevant, as not more than the configured number | |
938 | * of D-Bus connections may be queued until the kernel will start dropping further incoming connections, | |
939 | * possibly resulting in lost cgroups agent messages. To avoid this, we'll use a private SOCK_DGRAM/AF_UNIX | |
940 | * socket, where no backlog is relevant as communication may take place without an actual connect() cycle, and | |
941 | * we thus won't lose messages. | |
942 | * | |
943 | * Note that PID 1 will forward the agent message to system bus, so that the user systemd instance may listen | |
944 | * to it. The system instance hence listens on this special socket, but the user instances listen on the system | |
945 | * bus for these messages. */ | |
946 | ||
638cece4 | 947 | if (MANAGER_IS_TEST_RUN(m)) |
d8fdc620 LP |
948 | return 0; |
949 | ||
950 | if (!MANAGER_IS_SYSTEM(m)) | |
951 | return 0; | |
952 | ||
c22800e4 | 953 | r = cg_unified_controller(SYSTEMD_CGROUP_CONTROLLER); |
b4cccbc1 LP |
954 | if (r < 0) |
955 | return log_error_errno(r, "Failed to determine whether unified cgroups hierarchy is used: %m"); | |
956 | if (r > 0) /* We don't need this anymore on the unified hierarchy */ | |
d8fdc620 LP |
957 | return 0; |
958 | ||
959 | if (m->cgroups_agent_fd < 0) { | |
960 | _cleanup_close_ int fd = -1; | |
961 | ||
962 | /* First free all secondary fields */ | |
963 | m->cgroups_agent_event_source = sd_event_source_unref(m->cgroups_agent_event_source); | |
964 | ||
965 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); | |
966 | if (fd < 0) | |
967 | return log_error_errno(errno, "Failed to allocate cgroups agent socket: %m"); | |
968 | ||
969 | fd_inc_rcvbuf(fd, CGROUPS_AGENT_RCVBUF_SIZE); | |
970 | ||
971 | (void) unlink(sa.un.sun_path); | |
972 | ||
973 | /* Only allow root to connect to this socket */ | |
974 | RUN_WITH_UMASK(0077) | |
fc2fffe7 | 975 | r = bind(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)); |
d8fdc620 LP |
976 | if (r < 0) |
977 | return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path); | |
978 | ||
979 | m->cgroups_agent_fd = fd; | |
980 | fd = -1; | |
981 | } | |
982 | ||
983 | if (!m->cgroups_agent_event_source) { | |
984 | r = sd_event_add_io(m->event, &m->cgroups_agent_event_source, m->cgroups_agent_fd, EPOLLIN, manager_dispatch_cgroups_agent_fd, m); | |
985 | if (r < 0) | |
986 | return log_error_errno(r, "Failed to allocate cgroups agent event source: %m"); | |
987 | ||
988 | /* Process cgroups notifications early, but after having processed service notification messages or | |
989 | * SIGCHLD signals, so that a cgroup running empty is always just the last safety net of notification, | |
990 | * and we collected the metadata the notification and SIGCHLD stuff offers first. Also see handling of | |
991 | * cgroup inotify for the unified cgroup stuff. */ | |
09e24654 | 992 | r = sd_event_source_set_priority(m->cgroups_agent_event_source, SD_EVENT_PRIORITY_NORMAL-4); |
d8fdc620 LP |
993 | if (r < 0) |
994 | return log_error_errno(r, "Failed to set priority of cgroups agent event source: %m"); | |
995 | ||
996 | (void) sd_event_source_set_description(m->cgroups_agent_event_source, "manager-cgroups-agent"); | |
997 | } | |
998 | ||
999 | return 0; | |
1000 | } | |
1001 | ||
00d9ef85 LP |
1002 | static int manager_setup_user_lookup_fd(Manager *m) { |
1003 | int r; | |
1004 | ||
1005 | assert(m); | |
1006 | ||
1007 | /* Set up the socket pair used for passing UID/GID resolution results from forked off processes to PID | |
1008 | * 1. Background: we can't do name lookups (NSS) from PID 1, since it might involve IPC and thus activation, | |
1009 | * and we might hence deadlock on ourselves. Hence we do all user/group lookups asynchronously from the forked | |
1010 | * off processes right before executing the binaries to start. In order to be able to clean up any IPC objects | |
1011 | * created by a unit (see RemoveIPC=) we need to know in PID 1 the used UID/GID of the executed processes, | |
1012 | * hence we establish this communication channel so that forked off processes can pass their UID/GID | |
1013 | * information back to PID 1. The forked off processes send their resolved UID/GID to PID 1 in a simple | |
1014 | * datagram, along with their unit name, so that we can share one communication socket pair among all units for | |
1015 | * this purpose. | |
1016 | * | |
1017 | * You might wonder why we need a communication channel for this that is independent of the usual notification | |
1018 | * socket scheme (i.e. $NOTIFY_SOCKET). The primary difference is about trust: data sent via the $NOTIFY_SOCKET | |
1019 | * channel is only accepted if it originates from the right unit and if reception was enabled for it. The user | |
1020 | * lookup socket OTOH is only accessible by PID 1 and its children until they exec(), and always available. | |
1021 | * | |
1022 | * Note that this function is called under two circumstances: when we first initialize (in which case we | |
1023 | * allocate both the socket pair and the event source to listen on it), and when we deserialize after a reload | |
1024 | * (in which case the socket pair already exists but we still need to allocate the event source for it). */ | |
1025 | ||
1026 | if (m->user_lookup_fds[0] < 0) { | |
1027 | ||
1028 | /* Free all secondary fields */ | |
1029 | safe_close_pair(m->user_lookup_fds); | |
1030 | m->user_lookup_event_source = sd_event_source_unref(m->user_lookup_event_source); | |
1031 | ||
1032 | if (socketpair(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0, m->user_lookup_fds) < 0) | |
1033 | return log_error_errno(errno, "Failed to allocate user lookup socket: %m"); | |
1034 | ||
1035 | (void) fd_inc_rcvbuf(m->user_lookup_fds[0], NOTIFY_RCVBUF_SIZE); | |
1036 | } | |
1037 | ||
1038 | if (!m->user_lookup_event_source) { | |
1039 | r = sd_event_add_io(m->event, &m->user_lookup_event_source, m->user_lookup_fds[0], EPOLLIN, manager_dispatch_user_lookup_fd, m); | |
1040 | if (r < 0) | |
1041 | return log_error_errno(errno, "Failed to allocate user lookup event source: %m"); | |
1042 | ||
1043 | /* Process even earlier than the notify event source, so that we always know first about valid UID/GID | |
1044 | * resolutions */ | |
67ae4e8d | 1045 | r = sd_event_source_set_priority(m->user_lookup_event_source, SD_EVENT_PRIORITY_NORMAL-11); |
00d9ef85 LP |
1046 | if (r < 0) |
1047 | return log_error_errno(errno, "Failed to set priority ot user lookup event source: %m"); | |
1048 | ||
1049 | (void) sd_event_source_set_description(m->user_lookup_event_source, "user-lookup"); | |
1050 | } | |
1051 | ||
1052 | return 0; | |
1053 | } | |
1054 | ||
23a177ef | 1055 | static unsigned manager_dispatch_cleanup_queue(Manager *m) { |
595ed347 | 1056 | Unit *u; |
23a177ef LP |
1057 | unsigned n = 0; |
1058 | ||
1059 | assert(m); | |
1060 | ||
595ed347 MS |
1061 | while ((u = m->cleanup_queue)) { |
1062 | assert(u->in_cleanup_queue); | |
23a177ef | 1063 | |
595ed347 | 1064 | unit_free(u); |
23a177ef LP |
1065 | n++; |
1066 | } | |
1067 | ||
1068 | return n; | |
1069 | } | |
1070 | ||
eced69b3 | 1071 | enum { |
35b8ca3a | 1072 | GC_OFFSET_IN_PATH, /* This one is on the path we were traveling */ |
eced69b3 LP |
1073 | GC_OFFSET_UNSURE, /* No clue */ |
1074 | GC_OFFSET_GOOD, /* We still need this unit */ | |
1075 | GC_OFFSET_BAD, /* We don't need this unit anymore */ | |
1076 | _GC_OFFSET_MAX | |
1077 | }; | |
1078 | ||
00d9ef85 | 1079 | static void unit_gc_mark_good(Unit *u, unsigned gc_marker) { |
4892084f | 1080 | Unit *other; |
eef85c4a LP |
1081 | Iterator i; |
1082 | void *v; | |
4892084f LN |
1083 | |
1084 | u->gc_marker = gc_marker + GC_OFFSET_GOOD; | |
1085 | ||
1086 | /* Recursively mark referenced units as GOOD as well */ | |
eef85c4a | 1087 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_REFERENCES], i) |
4892084f LN |
1088 | if (other->gc_marker == gc_marker + GC_OFFSET_UNSURE) |
1089 | unit_gc_mark_good(other, gc_marker); | |
1090 | } | |
1091 | ||
eced69b3 | 1092 | static void unit_gc_sweep(Unit *u, unsigned gc_marker) { |
701cc384 | 1093 | Unit *other; |
eced69b3 | 1094 | bool is_bad; |
eef85c4a LP |
1095 | Iterator i; |
1096 | void *v; | |
701cc384 LP |
1097 | |
1098 | assert(u); | |
1099 | ||
4c701096 YW |
1100 | if (IN_SET(u->gc_marker - gc_marker, |
1101 | GC_OFFSET_GOOD, GC_OFFSET_BAD, GC_OFFSET_UNSURE, GC_OFFSET_IN_PATH)) | |
701cc384 LP |
1102 | return; |
1103 | ||
ac155bb8 | 1104 | if (u->in_cleanup_queue) |
701cc384 LP |
1105 | goto bad; |
1106 | ||
f2f725e5 | 1107 | if (!unit_may_gc(u)) |
701cc384 LP |
1108 | goto good; |
1109 | ||
ac155bb8 | 1110 | u->gc_marker = gc_marker + GC_OFFSET_IN_PATH; |
eced69b3 LP |
1111 | |
1112 | is_bad = true; | |
1113 | ||
eef85c4a | 1114 | HASHMAP_FOREACH_KEY(v, other, u->dependencies[UNIT_REFERENCED_BY], i) { |
701cc384 LP |
1115 | unit_gc_sweep(other, gc_marker); |
1116 | ||
ac155bb8 | 1117 | if (other->gc_marker == gc_marker + GC_OFFSET_GOOD) |
701cc384 | 1118 | goto good; |
eced69b3 | 1119 | |
ac155bb8 | 1120 | if (other->gc_marker != gc_marker + GC_OFFSET_BAD) |
eced69b3 | 1121 | is_bad = false; |
701cc384 LP |
1122 | } |
1123 | ||
2641f02e ZJS |
1124 | if (u->refs_by_target) { |
1125 | const UnitRef *ref; | |
1126 | ||
1127 | LIST_FOREACH(refs_by_target, ref, u->refs_by_target) { | |
1128 | unit_gc_sweep(ref->source, gc_marker); | |
1129 | ||
1130 | if (ref->source->gc_marker == gc_marker + GC_OFFSET_GOOD) | |
1131 | goto good; | |
1132 | ||
1133 | if (ref->source->gc_marker != gc_marker + GC_OFFSET_BAD) | |
1134 | is_bad = false; | |
1135 | } | |
1136 | } | |
701cc384 | 1137 | |
eced69b3 LP |
1138 | if (is_bad) |
1139 | goto bad; | |
1140 | ||
1141 | /* We were unable to find anything out about this entry, so | |
1142 | * let's investigate it later */ | |
ac155bb8 | 1143 | u->gc_marker = gc_marker + GC_OFFSET_UNSURE; |
eced69b3 LP |
1144 | unit_add_to_gc_queue(u); |
1145 | return; | |
1146 | ||
701cc384 | 1147 | bad: |
eced69b3 LP |
1148 | /* We definitely know that this one is not useful anymore, so |
1149 | * let's mark it for deletion */ | |
ac155bb8 | 1150 | u->gc_marker = gc_marker + GC_OFFSET_BAD; |
eced69b3 | 1151 | unit_add_to_cleanup_queue(u); |
701cc384 LP |
1152 | return; |
1153 | ||
1154 | good: | |
4892084f | 1155 | unit_gc_mark_good(u, gc_marker); |
701cc384 LP |
1156 | } |
1157 | ||
c5a97ed1 LP |
1158 | static unsigned manager_dispatch_gc_unit_queue(Manager *m) { |
1159 | unsigned n = 0, gc_marker; | |
595ed347 | 1160 | Unit *u; |
701cc384 LP |
1161 | |
1162 | assert(m); | |
1163 | ||
cf1265e1 | 1164 | /* log_debug("Running GC..."); */ |
701cc384 | 1165 | |
eced69b3 LP |
1166 | m->gc_marker += _GC_OFFSET_MAX; |
1167 | if (m->gc_marker + _GC_OFFSET_MAX <= _GC_OFFSET_MAX) | |
c9c0cadb | 1168 | m->gc_marker = 1; |
701cc384 | 1169 | |
eced69b3 LP |
1170 | gc_marker = m->gc_marker; |
1171 | ||
c5a97ed1 | 1172 | while ((u = m->gc_unit_queue)) { |
595ed347 | 1173 | assert(u->in_gc_queue); |
701cc384 | 1174 | |
595ed347 | 1175 | unit_gc_sweep(u, gc_marker); |
eced69b3 | 1176 | |
c5a97ed1 | 1177 | LIST_REMOVE(gc_queue, m->gc_unit_queue, u); |
595ed347 | 1178 | u->in_gc_queue = false; |
701cc384 LP |
1179 | |
1180 | n++; | |
1181 | ||
4c701096 YW |
1182 | if (IN_SET(u->gc_marker - gc_marker, |
1183 | GC_OFFSET_BAD, GC_OFFSET_UNSURE)) { | |
cc3bc3e6 | 1184 | if (u->id) |
f2341e0a | 1185 | log_unit_debug(u, "Collecting."); |
595ed347 MS |
1186 | u->gc_marker = gc_marker + GC_OFFSET_BAD; |
1187 | unit_add_to_cleanup_queue(u); | |
701cc384 LP |
1188 | } |
1189 | } | |
1190 | ||
701cc384 LP |
1191 | return n; |
1192 | } | |
1193 | ||
c5a97ed1 LP |
1194 | static unsigned manager_dispatch_gc_job_queue(Manager *m) { |
1195 | unsigned n = 0; | |
1196 | Job *j; | |
1197 | ||
1198 | assert(m); | |
1199 | ||
1200 | while ((j = m->gc_job_queue)) { | |
1201 | assert(j->in_gc_queue); | |
1202 | ||
1203 | LIST_REMOVE(gc_queue, m->gc_job_queue, j); | |
1204 | j->in_gc_queue = false; | |
1205 | ||
1206 | n++; | |
1207 | ||
2ab3050f | 1208 | if (!job_may_gc(j)) |
c5a97ed1 LP |
1209 | continue; |
1210 | ||
1211 | log_unit_debug(j->unit, "Collecting job."); | |
1212 | (void) job_finish_and_invalidate(j, JOB_COLLECTED, false, false); | |
1213 | } | |
1214 | ||
1215 | return n; | |
1216 | } | |
1217 | ||
a3c1168a LP |
1218 | static unsigned manager_dispatch_stop_when_unneeded_queue(Manager *m) { |
1219 | unsigned n = 0; | |
1220 | Unit *u; | |
1221 | int r; | |
1222 | ||
1223 | assert(m); | |
1224 | ||
1225 | while ((u = m->stop_when_unneeded_queue)) { | |
1226 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1227 | assert(m->stop_when_unneeded_queue); | |
1228 | ||
1229 | assert(u->in_stop_when_unneeded_queue); | |
1230 | LIST_REMOVE(stop_when_unneeded_queue, m->stop_when_unneeded_queue, u); | |
1231 | u->in_stop_when_unneeded_queue = false; | |
1232 | ||
1233 | n++; | |
1234 | ||
1235 | if (!unit_is_unneeded(u)) | |
1236 | continue; | |
1237 | ||
1238 | log_unit_debug(u, "Unit is not needed anymore."); | |
1239 | ||
1240 | /* If stopping a unit fails continuously we might enter a stop loop here, hence stop acting on the | |
1241 | * service being unnecessary after a while. */ | |
1242 | ||
1243 | if (!ratelimit_below(&u->auto_stop_ratelimit)) { | |
1244 | log_unit_warning(u, "Unit not needed anymore, but not stopping since we tried this too often recently."); | |
1245 | continue; | |
1246 | } | |
1247 | ||
1248 | /* Ok, nobody needs us anymore. Sniff. Then let's commit suicide */ | |
1249 | r = manager_add_job(u->manager, JOB_STOP, u, JOB_FAIL, &error, NULL); | |
1250 | if (r < 0) | |
1251 | log_unit_warning_errno(u, r, "Failed to enqueue stop job, ignoring: %s", bus_error_message(&error, r)); | |
1252 | } | |
1253 | ||
1254 | return n; | |
1255 | } | |
1256 | ||
a16e1123 | 1257 | static void manager_clear_jobs_and_units(Manager *m) { |
a16e1123 | 1258 | Unit *u; |
60918275 LP |
1259 | |
1260 | assert(m); | |
1261 | ||
87f0e418 LP |
1262 | while ((u = hashmap_first(m->units))) |
1263 | unit_free(u); | |
964e0949 LP |
1264 | |
1265 | manager_dispatch_cleanup_queue(m); | |
1266 | ||
1267 | assert(!m->load_queue); | |
1268 | assert(!m->run_queue); | |
1269 | assert(!m->dbus_unit_queue); | |
1270 | assert(!m->dbus_job_queue); | |
1271 | assert(!m->cleanup_queue); | |
c5a97ed1 LP |
1272 | assert(!m->gc_unit_queue); |
1273 | assert(!m->gc_job_queue); | |
a3c1168a | 1274 | assert(!m->stop_when_unneeded_queue); |
964e0949 | 1275 | |
964e0949 LP |
1276 | assert(hashmap_isempty(m->jobs)); |
1277 | assert(hashmap_isempty(m->units)); | |
9e9e2b72 MS |
1278 | |
1279 | m->n_on_console = 0; | |
1280 | m->n_running_jobs = 0; | |
1e75824c MK |
1281 | m->n_installed_jobs = 0; |
1282 | m->n_failed_jobs = 0; | |
a16e1123 LP |
1283 | } |
1284 | ||
06d8d842 | 1285 | Manager* manager_free(Manager *m) { |
35aba85a | 1286 | ExecDirectoryType dt; |
86036b26 | 1287 | UnitType c; |
87f0e418 | 1288 | |
06d8d842 ZJS |
1289 | if (!m) |
1290 | return NULL; | |
a16e1123 LP |
1291 | |
1292 | manager_clear_jobs_and_units(m); | |
23a177ef | 1293 | |
7824bbeb LP |
1294 | for (c = 0; c < _UNIT_TYPE_MAX; c++) |
1295 | if (unit_vtable[c]->shutdown) | |
1296 | unit_vtable[c]->shutdown(m); | |
1297 | ||
86036b26 LP |
1298 | /* Keep the cgroup hierarchy in place except when we know we are going down for good */ |
1299 | manager_shutdown_cgroup(m, IN_SET(m->objective, MANAGER_EXIT, MANAGER_REBOOT, MANAGER_POWEROFF, MANAGER_HALT, MANAGER_KEXEC)); | |
8e274523 | 1300 | |
07a78643 | 1301 | lookup_paths_flush_generator(&m->lookup_paths); |
5a1e9937 | 1302 | |
5e8d1c9a | 1303 | bus_done(m); |
ea430986 | 1304 | |
e8a565cb YW |
1305 | exec_runtime_vacuum(m); |
1306 | hashmap_free(m->exec_runtime_by_id); | |
1307 | ||
29206d46 LP |
1308 | dynamic_user_vacuum(m, false); |
1309 | hashmap_free(m->dynamic_users); | |
1310 | ||
87f0e418 | 1311 | hashmap_free(m->units); |
4b58153d | 1312 | hashmap_free(m->units_by_invocation_id); |
60918275 | 1313 | hashmap_free(m->jobs); |
62a76913 | 1314 | hashmap_free(m->watch_pids); |
05e343b7 | 1315 | hashmap_free(m->watch_bus); |
9152c765 | 1316 | |
95ae05c0 | 1317 | set_free(m->startup_units); |
f755e3b7 LP |
1318 | set_free(m->failed_units); |
1319 | ||
718db961 | 1320 | sd_event_source_unref(m->signal_event_source); |
575b300b | 1321 | sd_event_source_unref(m->sigchld_event_source); |
718db961 | 1322 | sd_event_source_unref(m->notify_event_source); |
d8fdc620 | 1323 | sd_event_source_unref(m->cgroups_agent_event_source); |
718db961 | 1324 | sd_event_source_unref(m->time_change_event_source); |
bbf5fd8e | 1325 | sd_event_source_unref(m->timezone_change_event_source); |
718db961 | 1326 | sd_event_source_unref(m->jobs_in_progress_event_source); |
752b5905 | 1327 | sd_event_source_unref(m->run_queue_event_source); |
00d9ef85 | 1328 | sd_event_source_unref(m->user_lookup_event_source); |
5f109056 | 1329 | sd_event_source_unref(m->sync_bus_names_event_source); |
718db961 | 1330 | |
03e334a1 LP |
1331 | safe_close(m->signal_fd); |
1332 | safe_close(m->notify_fd); | |
d8fdc620 | 1333 | safe_close(m->cgroups_agent_fd); |
03e334a1 | 1334 | safe_close(m->time_change_fd); |
00d9ef85 | 1335 | safe_close_pair(m->user_lookup_fds); |
718db961 | 1336 | |
e46b13c8 ZJS |
1337 | manager_close_ask_password(m); |
1338 | ||
718db961 LP |
1339 | manager_close_idle_pipe(m); |
1340 | ||
1341 | sd_event_unref(m->event); | |
60918275 | 1342 | |
c952c6ec LP |
1343 | free(m->notify_socket); |
1344 | ||
84e3543e | 1345 | lookup_paths_free(&m->lookup_paths); |
1137a57c | 1346 | strv_free(m->environment); |
036643a2 | 1347 | |
4ad49000 | 1348 | hashmap_free(m->cgroup_unit); |
c6c18be3 | 1349 | set_free_free(m->unit_path_cache); |
33be102a | 1350 | |
664f88a7 LP |
1351 | free(m->switch_root); |
1352 | free(m->switch_root_init); | |
1353 | ||
31ce987c | 1354 | rlimit_free_all(m->rlimit); |
c93ff2e9 | 1355 | |
a57f7e2c LP |
1356 | assert(hashmap_isempty(m->units_requiring_mounts_for)); |
1357 | hashmap_free(m->units_requiring_mounts_for); | |
1358 | ||
00d9ef85 LP |
1359 | hashmap_free(m->uid_refs); |
1360 | hashmap_free(m->gid_refs); | |
1361 | ||
72fd1768 | 1362 | for (dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) |
35aba85a YW |
1363 | m->prefix[dt] = mfree(m->prefix[dt]); |
1364 | ||
6b430fdb | 1365 | return mfree(m); |
60918275 LP |
1366 | } |
1367 | ||
04eb582a LP |
1368 | static void manager_enumerate_perpetual(Manager *m) { |
1369 | UnitType c; | |
1370 | ||
1371 | assert(m); | |
1372 | ||
1373 | /* Let's ask every type to load all units from disk/kernel that it might know */ | |
1374 | for (c = 0; c < _UNIT_TYPE_MAX; c++) { | |
1375 | if (!unit_type_supported(c)) { | |
1376 | log_debug("Unit type .%s is not supported on this system.", unit_type_to_string(c)); | |
1377 | continue; | |
1378 | } | |
1379 | ||
1380 | if (unit_vtable[c]->enumerate_perpetual) | |
1381 | unit_vtable[c]->enumerate_perpetual(m); | |
1382 | } | |
1383 | } | |
1384 | ||
a1113e08 | 1385 | static void manager_enumerate(Manager *m) { |
f50e0a01 | 1386 | UnitType c; |
f50e0a01 LP |
1387 | |
1388 | assert(m); | |
1389 | ||
04eb582a | 1390 | /* Let's ask every type to load all units from disk/kernel that it might know */ |
0faacd47 | 1391 | for (c = 0; c < _UNIT_TYPE_MAX; c++) { |
1c2e9646 | 1392 | if (!unit_type_supported(c)) { |
03afec3c | 1393 | log_debug("Unit type .%s is not supported on this system.", unit_type_to_string(c)); |
0faacd47 | 1394 | continue; |
a57f7e2c | 1395 | } |
f50e0a01 | 1396 | |
94b01dae ZJS |
1397 | if (unit_vtable[c]->enumerate) |
1398 | unit_vtable[c]->enumerate(m); | |
0faacd47 LP |
1399 | } |
1400 | ||
f50e0a01 | 1401 | manager_dispatch_load_queue(m); |
a16e1123 LP |
1402 | } |
1403 | ||
007c6337 | 1404 | static void manager_coldplug(Manager *m) { |
a16e1123 LP |
1405 | Iterator i; |
1406 | Unit *u; | |
1407 | char *k; | |
007c6337 | 1408 | int r; |
a16e1123 LP |
1409 | |
1410 | assert(m); | |
f50e0a01 | 1411 | |
f0831ed2 LP |
1412 | log_debug("Invoking unit coldplug() handlers…"); |
1413 | ||
1414 | /* Let's place the units back into their deserialized state */ | |
f50e0a01 LP |
1415 | HASHMAP_FOREACH_KEY(u, k, m->units, i) { |
1416 | ||
1417 | /* ignore aliases */ | |
ac155bb8 | 1418 | if (u->id != k) |
f50e0a01 LP |
1419 | continue; |
1420 | ||
007c6337 LP |
1421 | r = unit_coldplug(u); |
1422 | if (r < 0) | |
1423 | log_warning_errno(r, "We couldn't coldplug %s, proceeding anyway: %m", u->id); | |
f50e0a01 | 1424 | } |
a16e1123 LP |
1425 | } |
1426 | ||
f0831ed2 LP |
1427 | static void manager_catchup(Manager *m) { |
1428 | Iterator i; | |
1429 | Unit *u; | |
1430 | char *k; | |
1431 | ||
1432 | assert(m); | |
1433 | ||
1434 | log_debug("Invoking unit catchup() handlers…"); | |
1435 | ||
1436 | /* Let's catch up on any state changes that happened while we were reloading/reexecing */ | |
1437 | HASHMAP_FOREACH_KEY(u, k, m->units, i) { | |
1438 | ||
1439 | /* ignore aliases */ | |
1440 | if (u->id != k) | |
1441 | continue; | |
1442 | ||
1443 | unit_catchup(u); | |
1444 | } | |
1445 | } | |
1446 | ||
fe51822e LP |
1447 | static void manager_build_unit_path_cache(Manager *m) { |
1448 | char **i; | |
fe51822e LP |
1449 | int r; |
1450 | ||
1451 | assert(m); | |
1452 | ||
1453 | set_free_free(m->unit_path_cache); | |
1454 | ||
548f6937 | 1455 | m->unit_path_cache = set_new(&path_hash_ops); |
874310b7 | 1456 | if (!m->unit_path_cache) { |
d063a527 LP |
1457 | r = -ENOMEM; |
1458 | goto fail; | |
fe51822e LP |
1459 | } |
1460 | ||
1461 | /* This simply builds a list of files we know exist, so that | |
1462 | * we don't always have to go to disk */ | |
1463 | ||
a3c4eb07 | 1464 | STRV_FOREACH(i, m->lookup_paths.search_path) { |
d063a527 | 1465 | _cleanup_closedir_ DIR *d = NULL; |
fe51822e LP |
1466 | struct dirent *de; |
1467 | ||
bd0af849 ZJS |
1468 | d = opendir(*i); |
1469 | if (!d) { | |
874310b7 | 1470 | if (errno != ENOENT) |
d063a527 | 1471 | log_warning_errno(errno, "Failed to open directory %s, ignoring: %m", *i); |
fe51822e LP |
1472 | continue; |
1473 | } | |
1474 | ||
d063a527 | 1475 | FOREACH_DIRENT(de, d, r = -errno; goto fail) { |
fe51822e LP |
1476 | char *p; |
1477 | ||
605405c6 | 1478 | p = strjoin(streq(*i, "/") ? "" : *i, "/", de->d_name); |
44d91056 | 1479 | if (!p) { |
fe51822e LP |
1480 | r = -ENOMEM; |
1481 | goto fail; | |
1482 | } | |
1483 | ||
ef42202a ZJS |
1484 | r = set_consume(m->unit_path_cache, p); |
1485 | if (r < 0) | |
fe51822e | 1486 | goto fail; |
fe51822e | 1487 | } |
fe51822e LP |
1488 | } |
1489 | ||
1490 | return; | |
1491 | ||
1492 | fail: | |
d063a527 LP |
1493 | log_warning_errno(r, "Failed to build unit path cache, proceeding without: %m"); |
1494 | m->unit_path_cache = set_free_free(m->unit_path_cache); | |
fe51822e LP |
1495 | } |
1496 | ||
9ff1a6f1 | 1497 | static void manager_distribute_fds(Manager *m, FDSet *fds) { |
9588bc32 | 1498 | Iterator i; |
9ff1a6f1 | 1499 | Unit *u; |
9588bc32 LP |
1500 | |
1501 | assert(m); | |
1502 | ||
1503 | HASHMAP_FOREACH(u, m->units, i) { | |
1504 | ||
1505 | if (fdset_size(fds) <= 0) | |
1506 | break; | |
1507 | ||
9ff1a6f1 LP |
1508 | if (!UNIT_VTABLE(u)->distribute_fds) |
1509 | continue; | |
9588bc32 | 1510 | |
9ff1a6f1 LP |
1511 | UNIT_VTABLE(u)->distribute_fds(u, fds); |
1512 | } | |
9588bc32 LP |
1513 | } |
1514 | ||
8559b3b7 LP |
1515 | static bool manager_dbus_is_running(Manager *m, bool deserialized) { |
1516 | Unit *u; | |
1517 | ||
1518 | assert(m); | |
1519 | ||
1520 | /* This checks whether the dbus instance we are supposed to expose our APIs on is up. We check both the socket | |
1521 | * and the service unit. If the 'deserialized' parameter is true we'll check the deserialized state of the unit | |
1522 | * rather than the current one. */ | |
1523 | ||
638cece4 | 1524 | if (MANAGER_IS_TEST_RUN(m)) |
8559b3b7 LP |
1525 | return false; |
1526 | ||
8559b3b7 LP |
1527 | u = manager_get_unit(m, SPECIAL_DBUS_SOCKET); |
1528 | if (!u) | |
1529 | return false; | |
1530 | if ((deserialized ? SOCKET(u)->deserialized_state : SOCKET(u)->state) != SOCKET_RUNNING) | |
1531 | return false; | |
1532 | ||
1533 | u = manager_get_unit(m, SPECIAL_DBUS_SERVICE); | |
1534 | if (!u) | |
1535 | return false; | |
1536 | if (!IN_SET((deserialized ? SERVICE(u)->deserialized_state : SERVICE(u)->state), SERVICE_RUNNING, SERVICE_RELOAD)) | |
1537 | return false; | |
1538 | ||
1539 | return true; | |
1540 | } | |
1541 | ||
9d4c195c LP |
1542 | static void manager_setup_bus(Manager *m) { |
1543 | assert(m); | |
1544 | ||
1545 | /* Let's set up our private bus connection now, unconditionally */ | |
1546 | (void) bus_init_private(m); | |
1547 | ||
1548 | /* If we are in --user mode also connect to the system bus now */ | |
1549 | if (MANAGER_IS_USER(m)) | |
1550 | (void) bus_init_system(m); | |
1551 | ||
1552 | /* Let's connect to the bus now, but only if the unit is supposed to be up */ | |
1553 | if (manager_dbus_is_running(m, MANAGER_IS_RELOADING(m))) { | |
1554 | (void) bus_init_api(m); | |
1555 | ||
1556 | if (MANAGER_IS_SYSTEM(m)) | |
1557 | (void) bus_init_system(m); | |
1558 | } | |
1559 | } | |
1560 | ||
159f1e76 LP |
1561 | static void manager_preset_all(Manager *m) { |
1562 | int r; | |
1563 | ||
1564 | assert(m); | |
1565 | ||
1566 | if (m->first_boot <= 0) | |
1567 | return; | |
1568 | ||
1569 | if (!MANAGER_IS_SYSTEM(m)) | |
1570 | return; | |
1571 | ||
638cece4 | 1572 | if (MANAGER_IS_TEST_RUN(m)) |
159f1e76 LP |
1573 | return; |
1574 | ||
1575 | /* If this is the first boot, and we are in the host system, then preset everything */ | |
1576 | r = unit_file_preset_all(UNIT_FILE_SYSTEM, 0, NULL, UNIT_FILE_PRESET_ENABLE_ONLY, NULL, 0); | |
1577 | if (r < 0) | |
1578 | log_full_errno(r == -EEXIST ? LOG_NOTICE : LOG_WARNING, r, | |
1579 | "Failed to populate /etc with preset unit settings, ignoring: %m"); | |
1580 | else | |
1581 | log_info("Populated /etc with preset unit settings."); | |
1582 | } | |
1583 | ||
5197be06 LP |
1584 | static void manager_vacuum(Manager *m) { |
1585 | assert(m); | |
1586 | ||
1587 | /* Release any dynamic users no longer referenced */ | |
1588 | dynamic_user_vacuum(m, true); | |
1589 | ||
1590 | /* Release any references to UIDs/GIDs no longer referenced, and destroy any IPC owned by them */ | |
1591 | manager_vacuum_uid_refs(m); | |
1592 | manager_vacuum_gid_refs(m); | |
1593 | ||
1594 | /* Release any runtimes no longer referenced */ | |
1595 | exec_runtime_vacuum(m); | |
1596 | } | |
1597 | ||
a16e1123 | 1598 | int manager_startup(Manager *m, FILE *serialization, FDSet *fds) { |
17f01ace | 1599 | int r; |
a16e1123 LP |
1600 | |
1601 | assert(m); | |
1602 | ||
a1f31f47 ZJS |
1603 | /* If we are running in test mode, we still want to run the generators, |
1604 | * but we should not touch the real generator directories. */ | |
1605 | r = lookup_paths_init(&m->lookup_paths, m->unit_file_scope, | |
638cece4 | 1606 | MANAGER_IS_TEST_RUN(m) ? LOOKUP_PATHS_TEMPORARY_GENERATED : 0, |
a1f31f47 | 1607 | NULL); |
e801700e | 1608 | if (r < 0) |
572986ca | 1609 | return log_error_errno(r, "Failed to initialize path lookup table: %m"); |
5a1e9937 | 1610 | |
64691d20 ZJS |
1611 | r = manager_run_environment_generators(m); |
1612 | if (r < 0) | |
1613 | return r; | |
1614 | ||
d4ee7bd8 | 1615 | dual_timestamp_get(m->timestamps + manager_timestamp_initrd_mangle(MANAGER_TIMESTAMP_GENERATORS_START)); |
a3c4eb07 | 1616 | r = manager_run_generators(m); |
d4ee7bd8 | 1617 | dual_timestamp_get(m->timestamps + manager_timestamp_initrd_mangle(MANAGER_TIMESTAMP_GENERATORS_FINISH)); |
07719a21 LP |
1618 | if (r < 0) |
1619 | return r; | |
1620 | ||
159f1e76 | 1621 | manager_preset_all(m); |
572986ca LP |
1622 | |
1623 | r = lookup_paths_reduce(&m->lookup_paths); | |
1624 | if (r < 0) | |
1625 | log_warning_errno(r, "Failed ot reduce unit file paths, ignoring: %m"); | |
1626 | ||
fe51822e LP |
1627 | manager_build_unit_path_cache(m); |
1628 | ||
6eb3af7a LP |
1629 | /* If we will deserialize make sure that during enumeration this is already known, so we increase the counter |
1630 | * here already */ | |
9f611ad8 | 1631 | if (serialization) |
313cefa1 | 1632 | m->n_reloading++; |
9f611ad8 | 1633 | |
a16e1123 | 1634 | /* First, enumerate what we can from all config files */ |
d4ee7bd8 | 1635 | dual_timestamp_get(m->timestamps + manager_timestamp_initrd_mangle(MANAGER_TIMESTAMP_UNITS_LOAD_START)); |
04eb582a | 1636 | manager_enumerate_perpetual(m); |
ba64af90 | 1637 | manager_enumerate(m); |
d4ee7bd8 | 1638 | dual_timestamp_get(m->timestamps + manager_timestamp_initrd_mangle(MANAGER_TIMESTAMP_UNITS_LOAD_FINISH)); |
a16e1123 LP |
1639 | |
1640 | /* Second, deserialize if there is something to deserialize */ | |
07429866 | 1641 | if (serialization) { |
1cd974ed | 1642 | r = manager_deserialize(m, serialization, fds); |
07429866 | 1643 | if (r < 0) |
17f01ace | 1644 | return log_error_errno(r, "Deserialization failed: %m"); |
07429866 | 1645 | } |
a16e1123 | 1646 | |
6eb3af7a LP |
1647 | /* Any fds left? Find some unit which wants them. This is useful to allow container managers to pass some file |
1648 | * descriptors to us pre-initialized. This enables socket-based activation of entire containers. */ | |
9ff1a6f1 | 1649 | manager_distribute_fds(m, fds); |
01e10de3 | 1650 | |
6eb3af7a | 1651 | /* We might have deserialized the notify fd, but if we didn't then let's create the bus now */ |
17f01ace ZJS |
1652 | r = manager_setup_notify(m); |
1653 | if (r < 0) | |
1654 | /* No sense to continue without notifications, our children would fail anyway. */ | |
1655 | return r; | |
d86f9d52 | 1656 | |
17f01ace ZJS |
1657 | r = manager_setup_cgroups_agent(m); |
1658 | if (r < 0) | |
1659 | /* Likewise, no sense to continue without empty cgroup notifications. */ | |
1660 | return r; | |
d8fdc620 | 1661 | |
17f01ace ZJS |
1662 | r = manager_setup_user_lookup_fd(m); |
1663 | if (r < 0) | |
1664 | /* This shouldn't fail, except if things are really broken. */ | |
1665 | return r; | |
00d9ef85 | 1666 | |
9d4c195c LP |
1667 | /* Connect to the bus if we are good for it */ |
1668 | manager_setup_bus(m); | |
8559b3b7 LP |
1669 | |
1670 | /* Now that we are connected to all possible busses, let's deserialize who is tracking us. */ | |
572986ca LP |
1671 | r = bus_track_coldplug(m, &m->subscribed, false, m->deserialized_subscribed); |
1672 | if (r < 0) | |
1673 | log_warning_errno(r, "Failed to deserialized tracked clients, ignoring: %m"); | |
05a98afd | 1674 | m->deserialized_subscribed = strv_free(m->deserialized_subscribed); |
e3dd987c | 1675 | |
a16e1123 | 1676 | /* Third, fire things up! */ |
007c6337 | 1677 | manager_coldplug(m); |
a16e1123 | 1678 | |
5197be06 LP |
1679 | /* Clean up runtime objects */ |
1680 | manager_vacuum(m); | |
3ad2afb6 | 1681 | |
9f611ad8 | 1682 | if (serialization) { |
a7556052 | 1683 | assert(m->n_reloading > 0); |
313cefa1 | 1684 | m->n_reloading--; |
71445ae7 | 1685 | |
6eb3af7a | 1686 | /* Let's wait for the UnitNew/JobNew messages being sent, before we notify that the reload is |
71445ae7 LP |
1687 | * finished */ |
1688 | m->send_reloading_done = true; | |
9f611ad8 LP |
1689 | } |
1690 | ||
1fb70e66 LP |
1691 | m->objective = MANAGER_OK; |
1692 | ||
3ad2afb6 LP |
1693 | /* It might be safe to log to the journal now and connect to dbus */ |
1694 | manager_recheck_journal(m); | |
1695 | manager_recheck_dbus(m); | |
1696 | ||
1697 | /* Sync current state of bus names with our set of listening units */ | |
1698 | (void) manager_enqueue_sync_bus_names(m); | |
1699 | ||
f0831ed2 LP |
1700 | /* Let's finally catch up with any changes that took place while we were reloading/reexecing */ |
1701 | manager_catchup(m); | |
1702 | ||
17f01ace | 1703 | return 0; |
f50e0a01 LP |
1704 | } |
1705 | ||
4bd29fe5 | 1706 | int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, sd_bus_error *e, Job **_ret) { |
e5b5ae50 | 1707 | int r; |
7527cb52 | 1708 | Transaction *tr; |
e5b5ae50 LP |
1709 | |
1710 | assert(m); | |
1711 | assert(type < _JOB_TYPE_MAX); | |
87f0e418 | 1712 | assert(unit); |
e5b5ae50 | 1713 | assert(mode < _JOB_MODE_MAX); |
60918275 | 1714 | |
7358dc02 ZJS |
1715 | if (mode == JOB_ISOLATE && type != JOB_START) |
1716 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Isolate is only valid for start."); | |
c497c7a9 | 1717 | |
7358dc02 ZJS |
1718 | if (mode == JOB_ISOLATE && !unit->allow_isolate) |
1719 | return sd_bus_error_setf(e, BUS_ERROR_NO_ISOLATION, "Operation refused, unit may not be isolated."); | |
2528a7a6 | 1720 | |
f2341e0a | 1721 | log_unit_debug(unit, "Trying to enqueue job %s/%s/%s", unit->id, job_type_to_string(type), job_mode_to_string(mode)); |
9f04bd52 | 1722 | |
c6497ccb | 1723 | type = job_type_collapse(type, unit); |
e0209d83 | 1724 | |
23ade460 | 1725 | tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY); |
7527cb52 MS |
1726 | if (!tr) |
1727 | return -ENOMEM; | |
11dd41ce | 1728 | |
4bd29fe5 | 1729 | r = transaction_add_job_and_dependencies(tr, type, unit, NULL, true, false, |
3742095b | 1730 | IN_SET(mode, JOB_IGNORE_DEPENDENCIES, JOB_IGNORE_REQUIREMENTS), |
b94fbd30 | 1731 | mode == JOB_IGNORE_DEPENDENCIES, e); |
7527cb52 MS |
1732 | if (r < 0) |
1733 | goto tr_abort; | |
c497c7a9 | 1734 | |
7527cb52 MS |
1735 | if (mode == JOB_ISOLATE) { |
1736 | r = transaction_add_isolate_jobs(tr, m); | |
1737 | if (r < 0) | |
1738 | goto tr_abort; | |
1739 | } | |
1740 | ||
1741 | r = transaction_activate(tr, m, mode, e); | |
1742 | if (r < 0) | |
1743 | goto tr_abort; | |
e5b5ae50 | 1744 | |
f2341e0a | 1745 | log_unit_debug(unit, |
66870f90 ZJS |
1746 | "Enqueued job %s/%s as %u", unit->id, |
1747 | job_type_to_string(type), (unsigned) tr->anchor_job->id); | |
f50e0a01 | 1748 | |
e5b5ae50 | 1749 | if (_ret) |
b94fbd30 | 1750 | *_ret = tr->anchor_job; |
60918275 | 1751 | |
7527cb52 | 1752 | transaction_free(tr); |
e5b5ae50 | 1753 | return 0; |
7527cb52 MS |
1754 | |
1755 | tr_abort: | |
1756 | transaction_abort(tr); | |
1757 | transaction_free(tr); | |
1758 | return r; | |
e5b5ae50 | 1759 | } |
60918275 | 1760 | |
53f18416 | 1761 | int manager_add_job_by_name(Manager *m, JobType type, const char *name, JobMode mode, sd_bus_error *e, Job **ret) { |
4440b27d | 1762 | Unit *unit = NULL; /* just to appease gcc, initialization is not really necessary */ |
28247076 LP |
1763 | int r; |
1764 | ||
1765 | assert(m); | |
1766 | assert(type < _JOB_TYPE_MAX); | |
1767 | assert(name); | |
1768 | assert(mode < _JOB_MODE_MAX); | |
1769 | ||
c3090674 LP |
1770 | r = manager_load_unit(m, name, NULL, NULL, &unit); |
1771 | if (r < 0) | |
28247076 | 1772 | return r; |
4440b27d | 1773 | assert(unit); |
28247076 | 1774 | |
53f18416 LP |
1775 | return manager_add_job(m, type, unit, mode, e, ret); |
1776 | } | |
1777 | ||
1778 | int manager_add_job_by_name_and_warn(Manager *m, JobType type, const char *name, JobMode mode, Job **ret) { | |
4afd3348 | 1779 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
53f18416 LP |
1780 | int r; |
1781 | ||
1782 | assert(m); | |
1783 | assert(type < _JOB_TYPE_MAX); | |
1784 | assert(name); | |
1785 | assert(mode < _JOB_MODE_MAX); | |
1786 | ||
1787 | r = manager_add_job_by_name(m, type, name, mode, &error, ret); | |
1788 | if (r < 0) | |
1789 | return log_warning_errno(r, "Failed to enqueue %s job for %s: %s", job_mode_to_string(mode), name, bus_error_message(&error, r)); | |
1790 | ||
1791 | return r; | |
28247076 LP |
1792 | } |
1793 | ||
15d167f8 JW |
1794 | int manager_propagate_reload(Manager *m, Unit *unit, JobMode mode, sd_bus_error *e) { |
1795 | int r; | |
1796 | Transaction *tr; | |
1797 | ||
1798 | assert(m); | |
1799 | assert(unit); | |
1800 | assert(mode < _JOB_MODE_MAX); | |
1801 | assert(mode != JOB_ISOLATE); /* Isolate is only valid for start */ | |
1802 | ||
1803 | tr = transaction_new(mode == JOB_REPLACE_IRREVERSIBLY); | |
1804 | if (!tr) | |
1805 | return -ENOMEM; | |
1806 | ||
1807 | /* We need an anchor job */ | |
1808 | r = transaction_add_job_and_dependencies(tr, JOB_NOP, unit, NULL, false, false, true, true, e); | |
1809 | if (r < 0) | |
1810 | goto tr_abort; | |
1811 | ||
1812 | /* Failure in adding individual dependencies is ignored, so this always succeeds. */ | |
1813 | transaction_add_propagate_reload_jobs(tr, unit, tr->anchor_job, mode == JOB_IGNORE_DEPENDENCIES, e); | |
1814 | ||
1815 | r = transaction_activate(tr, m, mode, e); | |
1816 | if (r < 0) | |
1817 | goto tr_abort; | |
1818 | ||
1819 | transaction_free(tr); | |
1820 | return 0; | |
1821 | ||
1822 | tr_abort: | |
1823 | transaction_abort(tr); | |
1824 | transaction_free(tr); | |
1825 | return r; | |
1826 | } | |
1827 | ||
60918275 LP |
1828 | Job *manager_get_job(Manager *m, uint32_t id) { |
1829 | assert(m); | |
1830 | ||
1831 | return hashmap_get(m->jobs, UINT32_TO_PTR(id)); | |
1832 | } | |
1833 | ||
87f0e418 | 1834 | Unit *manager_get_unit(Manager *m, const char *name) { |
60918275 LP |
1835 | assert(m); |
1836 | assert(name); | |
1837 | ||
87f0e418 | 1838 | return hashmap_get(m->units, name); |
60918275 LP |
1839 | } |
1840 | ||
19496554 MS |
1841 | static int manager_dispatch_target_deps_queue(Manager *m) { |
1842 | Unit *u; | |
1843 | unsigned k; | |
1844 | int r = 0; | |
1845 | ||
1846 | static const UnitDependency deps[] = { | |
1847 | UNIT_REQUIRED_BY, | |
1848 | UNIT_REQUISITE_OF, | |
1849 | UNIT_WANTED_BY, | |
1850 | UNIT_BOUND_BY | |
1851 | }; | |
1852 | ||
1853 | assert(m); | |
1854 | ||
1855 | while ((u = m->target_deps_queue)) { | |
1856 | assert(u->in_target_deps_queue); | |
1857 | ||
1858 | LIST_REMOVE(target_deps_queue, u->manager->target_deps_queue, u); | |
1859 | u->in_target_deps_queue = false; | |
1860 | ||
1861 | for (k = 0; k < ELEMENTSOF(deps); k++) { | |
1862 | Unit *target; | |
1863 | Iterator i; | |
1864 | void *v; | |
1865 | ||
1866 | HASHMAP_FOREACH_KEY(v, target, u->dependencies[deps[k]], i) { | |
1867 | r = unit_add_default_target_dependency(u, target); | |
1868 | if (r < 0) | |
1869 | return r; | |
1870 | } | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | return r; | |
1875 | } | |
1876 | ||
c1e1601e | 1877 | unsigned manager_dispatch_load_queue(Manager *m) { |
595ed347 | 1878 | Unit *u; |
c1e1601e | 1879 | unsigned n = 0; |
60918275 LP |
1880 | |
1881 | assert(m); | |
1882 | ||
223dabab LP |
1883 | /* Make sure we are not run recursively */ |
1884 | if (m->dispatching_load_queue) | |
c1e1601e | 1885 | return 0; |
223dabab LP |
1886 | |
1887 | m->dispatching_load_queue = true; | |
1888 | ||
87f0e418 | 1889 | /* Dispatches the load queue. Takes a unit from the queue and |
60918275 LP |
1890 | * tries to load its data until the queue is empty */ |
1891 | ||
595ed347 MS |
1892 | while ((u = m->load_queue)) { |
1893 | assert(u->in_load_queue); | |
034c6ed7 | 1894 | |
595ed347 | 1895 | unit_load(u); |
c1e1601e | 1896 | n++; |
60918275 LP |
1897 | } |
1898 | ||
223dabab | 1899 | m->dispatching_load_queue = false; |
19496554 MS |
1900 | |
1901 | /* Dispatch the units waiting for their target dependencies to be added now, as all targets that we know about | |
1902 | * should be loaded and have aliases resolved */ | |
1903 | (void) manager_dispatch_target_deps_queue(m); | |
1904 | ||
c1e1601e | 1905 | return n; |
60918275 LP |
1906 | } |
1907 | ||
c2756a68 LP |
1908 | int manager_load_unit_prepare( |
1909 | Manager *m, | |
1910 | const char *name, | |
1911 | const char *path, | |
718db961 | 1912 | sd_bus_error *e, |
c2756a68 LP |
1913 | Unit **_ret) { |
1914 | ||
dc409696 | 1915 | _cleanup_(unit_freep) Unit *cleanup_ret = NULL; |
87f0e418 | 1916 | Unit *ret; |
7d17cfbc | 1917 | UnitType t; |
60918275 LP |
1918 | int r; |
1919 | ||
1920 | assert(m); | |
9e2f7c11 | 1921 | assert(name || path); |
7a6a095a | 1922 | assert(_ret); |
60918275 | 1923 | |
db06e3b6 LP |
1924 | /* This will prepare the unit for loading, but not actually |
1925 | * load anything from disk. */ | |
0301abf4 | 1926 | |
718db961 LP |
1927 | if (path && !is_path(path)) |
1928 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path); | |
9e2f7c11 LP |
1929 | |
1930 | if (!name) | |
2b6bf07d | 1931 | name = basename(path); |
9e2f7c11 | 1932 | |
7d17cfbc MS |
1933 | t = unit_name_to_type(name); |
1934 | ||
5d512d54 LN |
1935 | if (t == _UNIT_TYPE_INVALID || !unit_name_is_valid(name, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) { |
1936 | if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) | |
1937 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is missing the instance name.", name); | |
1938 | ||
718db961 | 1939 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, "Unit name %s is not valid.", name); |
5d512d54 | 1940 | } |
60918275 | 1941 | |
7d17cfbc MS |
1942 | ret = manager_get_unit(m, name); |
1943 | if (ret) { | |
034c6ed7 | 1944 | *_ret = ret; |
413d6313 | 1945 | return 1; |
034c6ed7 | 1946 | } |
60918275 | 1947 | |
dc409696 | 1948 | ret = cleanup_ret = unit_new(m, unit_vtable[t]->object_size); |
7d17cfbc | 1949 | if (!ret) |
60918275 LP |
1950 | return -ENOMEM; |
1951 | ||
7d17cfbc | 1952 | if (path) { |
ac155bb8 | 1953 | ret->fragment_path = strdup(path); |
dc409696 | 1954 | if (!ret->fragment_path) |
0301abf4 | 1955 | return -ENOMEM; |
7d17cfbc | 1956 | } |
0301abf4 | 1957 | |
1058cbf2 | 1958 | r = unit_add_name(ret, name); |
dc409696 | 1959 | if (r < 0) |
1ffba6fe | 1960 | return r; |
60918275 | 1961 | |
87f0e418 | 1962 | unit_add_to_load_queue(ret); |
c1e1601e | 1963 | unit_add_to_dbus_queue(ret); |
949061f0 | 1964 | unit_add_to_gc_queue(ret); |
c1e1601e | 1965 | |
7a6a095a | 1966 | *_ret = ret; |
dc409696 | 1967 | cleanup_ret = NULL; |
db06e3b6 LP |
1968 | |
1969 | return 0; | |
1970 | } | |
1971 | ||
c2756a68 LP |
1972 | int manager_load_unit( |
1973 | Manager *m, | |
1974 | const char *name, | |
1975 | const char *path, | |
718db961 | 1976 | sd_bus_error *e, |
c2756a68 LP |
1977 | Unit **_ret) { |
1978 | ||
db06e3b6 LP |
1979 | int r; |
1980 | ||
1981 | assert(m); | |
7a6a095a | 1982 | assert(_ret); |
db06e3b6 LP |
1983 | |
1984 | /* This will load the service information files, but not actually | |
1985 | * start any services or anything. */ | |
1986 | ||
c3090674 LP |
1987 | r = manager_load_unit_prepare(m, name, path, e, _ret); |
1988 | if (r != 0) | |
db06e3b6 LP |
1989 | return r; |
1990 | ||
f50e0a01 | 1991 | manager_dispatch_load_queue(m); |
60918275 | 1992 | |
7a6a095a | 1993 | *_ret = unit_follow_merge(*_ret); |
4109ede7 ZJS |
1994 | return 0; |
1995 | } | |
1996 | ||
1997 | int manager_load_startable_unit_or_warn( | |
1998 | Manager *m, | |
1999 | const char *name, | |
2000 | const char *path, | |
2001 | Unit **ret) { | |
2002 | ||
2003 | /* Load a unit, make sure it loaded fully and is not masked. */ | |
2004 | ||
2005 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2006 | Unit *unit; | |
2007 | int r; | |
2008 | ||
2009 | r = manager_load_unit(m, name, path, &error, &unit); | |
2010 | if (r < 0) | |
2011 | return log_error_errno(r, "Failed to load %s %s: %s", | |
8ace1db7 | 2012 | name ? "unit" : "unit file", name ?: path, |
4109ede7 | 2013 | bus_error_message(&error, r)); |
8ace1db7 LP |
2014 | |
2015 | r = bus_unit_validate_load_state(unit, &error); | |
2016 | if (r < 0) | |
2017 | return log_error_errno(r, "%s", bus_error_message(&error, r)); | |
9e2f7c11 | 2018 | |
4109ede7 | 2019 | *ret = unit; |
60918275 LP |
2020 | return 0; |
2021 | } | |
a66d02c3 | 2022 | |
cea8e32e | 2023 | void manager_dump_jobs(Manager *s, FILE *f, const char *prefix) { |
034c6ed7 | 2024 | Iterator i; |
a66d02c3 LP |
2025 | Job *j; |
2026 | ||
2027 | assert(s); | |
2028 | assert(f); | |
2029 | ||
034c6ed7 | 2030 | HASHMAP_FOREACH(j, s->jobs, i) |
cea8e32e | 2031 | job_dump(j, f, prefix); |
a66d02c3 LP |
2032 | } |
2033 | ||
87f0e418 | 2034 | void manager_dump_units(Manager *s, FILE *f, const char *prefix) { |
034c6ed7 | 2035 | Iterator i; |
87f0e418 | 2036 | Unit *u; |
11dd41ce | 2037 | const char *t; |
a66d02c3 LP |
2038 | |
2039 | assert(s); | |
2040 | assert(f); | |
2041 | ||
87f0e418 | 2042 | HASHMAP_FOREACH_KEY(u, t, s->units, i) |
ac155bb8 | 2043 | if (u->id == t) |
87f0e418 | 2044 | unit_dump(u, f, prefix); |
a66d02c3 | 2045 | } |
7fad411c | 2046 | |
ad75b9e7 LP |
2047 | void manager_dump(Manager *m, FILE *f, const char *prefix) { |
2048 | ManagerTimestamp q; | |
2049 | ||
2050 | assert(m); | |
2051 | assert(f); | |
2052 | ||
2053 | for (q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) { | |
2054 | char buf[FORMAT_TIMESTAMP_MAX]; | |
2055 | ||
2056 | if (dual_timestamp_is_set(m->timestamps + q)) | |
2057 | fprintf(f, "%sTimestamp %s: %s\n", | |
2058 | strempty(prefix), | |
2059 | manager_timestamp_to_string(q), | |
2060 | format_timestamp(buf, sizeof(buf), m->timestamps[q].realtime)); | |
2061 | } | |
2062 | ||
2063 | manager_dump_units(m, f, prefix); | |
2064 | manager_dump_jobs(m, f, prefix); | |
2065 | } | |
2066 | ||
713f6f90 LP |
2067 | int manager_get_dump_string(Manager *m, char **ret) { |
2068 | _cleanup_free_ char *dump = NULL; | |
2069 | _cleanup_fclose_ FILE *f = NULL; | |
2070 | size_t size; | |
2071 | int r; | |
2072 | ||
2073 | assert(m); | |
2074 | assert(ret); | |
2075 | ||
2076 | f = open_memstream(&dump, &size); | |
2077 | if (!f) | |
2078 | return -errno; | |
2079 | ||
0d536673 | 2080 | (void) __fsetlocking(f, FSETLOCKING_BYCALLER); |
713f6f90 LP |
2081 | |
2082 | manager_dump(m, f, NULL); | |
2083 | ||
2084 | r = fflush_and_check(f); | |
2085 | if (r < 0) | |
2086 | return r; | |
2087 | ||
2088 | f = safe_fclose(f); | |
2089 | ||
1cc6c93a | 2090 | *ret = TAKE_PTR(dump); |
713f6f90 LP |
2091 | |
2092 | return 0; | |
2093 | } | |
2094 | ||
7fad411c LP |
2095 | void manager_clear_jobs(Manager *m) { |
2096 | Job *j; | |
2097 | ||
2098 | assert(m); | |
2099 | ||
7fad411c | 2100 | while ((j = hashmap_first(m->jobs))) |
5273510e | 2101 | /* No need to recurse. We're cancelling all jobs. */ |
833f92ad | 2102 | job_finish_and_invalidate(j, JOB_CANCELED, false, false); |
7fad411c | 2103 | } |
83c60c9f | 2104 | |
752b5905 LP |
2105 | static int manager_dispatch_run_queue(sd_event_source *source, void *userdata) { |
2106 | Manager *m = userdata; | |
83c60c9f | 2107 | Job *j; |
034c6ed7 | 2108 | |
752b5905 LP |
2109 | assert(source); |
2110 | assert(m); | |
9152c765 | 2111 | |
034c6ed7 | 2112 | while ((j = m->run_queue)) { |
ac1135be | 2113 | assert(j->installed); |
034c6ed7 LP |
2114 | assert(j->in_run_queue); |
2115 | ||
2116 | job_run_and_invalidate(j); | |
9152c765 | 2117 | } |
034c6ed7 | 2118 | |
a0b64226 | 2119 | if (m->n_running_jobs > 0) |
03b717a3 MS |
2120 | manager_watch_jobs_in_progress(m); |
2121 | ||
31a7eb86 ZJS |
2122 | if (m->n_on_console > 0) |
2123 | manager_watch_idle_pipe(m); | |
2124 | ||
752b5905 | 2125 | return 1; |
c1e1601e LP |
2126 | } |
2127 | ||
9588bc32 | 2128 | static unsigned manager_dispatch_dbus_queue(Manager *m) { |
e0a08581 | 2129 | unsigned n = 0, budget; |
595ed347 | 2130 | Unit *u; |
e0a08581 | 2131 | Job *j; |
c1e1601e LP |
2132 | |
2133 | assert(m); | |
2134 | ||
2135 | if (m->dispatching_dbus_queue) | |
2136 | return 0; | |
2137 | ||
e0a08581 LP |
2138 | /* Anything to do at all? */ |
2139 | if (!m->dbus_unit_queue && !m->dbus_job_queue && !m->send_reloading_done && !m->queued_message) | |
2140 | return 0; | |
2141 | ||
2142 | /* Do we have overly many messages queued at the moment? If so, let's not enqueue more on top, let's sit this | |
2143 | * cycle out, and process things in a later cycle when the queues got a bit emptier. */ | |
2144 | if (manager_bus_n_queued_write(m) > MANAGER_BUS_BUSY_THRESHOLD) | |
2145 | return 0; | |
2146 | ||
2147 | /* Only process a certain number of units/jobs per event loop iteration. Even if the bus queue wasn't overly | |
2148 | * full before this call we shouldn't increase it in size too wildly in one step, and we shouldn't monopolize | |
2149 | * CPU time with generating these messages. Note the difference in counting of this "budget" and the | |
2150 | * "threshold" above: the "budget" is decreased only once per generated message, regardless how many | |
2151 | * busses/direct connections it is enqueued on, while the "threshold" is applied to each queued instance of bus | |
2152 | * message, i.e. if the same message is enqueued to five busses/direct connections it will be counted five | |
2153 | * times. This difference in counting ("references" vs. "instances") is primarily a result of the fact that | |
2154 | * it's easier to implement it this way, however it also reflects the thinking that the "threshold" should put | |
2155 | * a limit on used queue memory, i.e. space, while the "budget" should put a limit on time. Also note that | |
2156 | * the "threshold" is currently chosen much higher than the "budget". */ | |
2157 | budget = MANAGER_BUS_MESSAGE_BUDGET; | |
2158 | ||
c1e1601e LP |
2159 | m->dispatching_dbus_queue = true; |
2160 | ||
e0a08581 LP |
2161 | while (budget > 0 && (u = m->dbus_unit_queue)) { |
2162 | ||
595ed347 | 2163 | assert(u->in_dbus_queue); |
c1e1601e | 2164 | |
595ed347 | 2165 | bus_unit_send_change_signal(u); |
e0a08581 | 2166 | n++, budget--; |
c1e1601e LP |
2167 | } |
2168 | ||
e0a08581 | 2169 | while (budget > 0 && (j = m->dbus_job_queue)) { |
c1e1601e LP |
2170 | assert(j->in_dbus_queue); |
2171 | ||
2172 | bus_job_send_change_signal(j); | |
e0a08581 | 2173 | n++, budget--; |
c1e1601e LP |
2174 | } |
2175 | ||
2176 | m->dispatching_dbus_queue = false; | |
71445ae7 | 2177 | |
e0a08581 | 2178 | if (budget > 0 && m->send_reloading_done) { |
71445ae7 | 2179 | m->send_reloading_done = false; |
718db961 | 2180 | bus_manager_send_reloading(m, false); |
e0a08581 | 2181 | n++, budget--; |
71445ae7 LP |
2182 | } |
2183 | ||
e0a08581 | 2184 | if (budget > 0 && m->queued_message) { |
718db961 | 2185 | bus_send_queued_message(m); |
e0a08581 LP |
2186 | n++; |
2187 | } | |
718db961 | 2188 | |
c1e1601e | 2189 | return n; |
9152c765 LP |
2190 | } |
2191 | ||
d8fdc620 LP |
2192 | static int manager_dispatch_cgroups_agent_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
2193 | Manager *m = userdata; | |
2194 | char buf[PATH_MAX+1]; | |
2195 | ssize_t n; | |
2196 | ||
2197 | n = recv(fd, buf, sizeof(buf), 0); | |
2198 | if (n < 0) | |
2199 | return log_error_errno(errno, "Failed to read cgroups agent message: %m"); | |
2200 | if (n == 0) { | |
2201 | log_error("Got zero-length cgroups agent message, ignoring."); | |
2202 | return 0; | |
2203 | } | |
2204 | if ((size_t) n >= sizeof(buf)) { | |
2205 | log_error("Got overly long cgroups agent message, ignoring."); | |
2206 | return 0; | |
2207 | } | |
2208 | ||
2209 | if (memchr(buf, 0, n)) { | |
2210 | log_error("Got cgroups agent message with embedded NUL byte, ignoring."); | |
2211 | return 0; | |
2212 | } | |
2213 | buf[n] = 0; | |
2214 | ||
2215 | manager_notify_cgroup_empty(m, buf); | |
d5f15326 | 2216 | (void) bus_forward_agent_released(m, buf); |
d8fdc620 LP |
2217 | |
2218 | return 0; | |
2219 | } | |
2220 | ||
db256aab LP |
2221 | static void manager_invoke_notify_message( |
2222 | Manager *m, | |
2223 | Unit *u, | |
2224 | const struct ucred *ucred, | |
2225 | const char *buf, | |
2226 | FDSet *fds) { | |
2227 | ||
5ba6985b LP |
2228 | assert(m); |
2229 | assert(u); | |
db256aab | 2230 | assert(ucred); |
5ba6985b | 2231 | assert(buf); |
5ba6985b | 2232 | |
62a76913 | 2233 | if (u->notifygen == m->notifygen) /* Already invoked on this same unit in this same iteration? */ |
5ba6985b | 2234 | return; |
62a76913 LP |
2235 | u->notifygen = m->notifygen; |
2236 | ||
2237 | if (UNIT_VTABLE(u)->notify_message) { | |
2238 | _cleanup_strv_free_ char **tags = NULL; | |
2239 | ||
2240 | tags = strv_split(buf, NEWLINE); | |
2241 | if (!tags) { | |
2242 | log_oom(); | |
2243 | return; | |
2244 | } | |
5ba6985b | 2245 | |
db256aab | 2246 | UNIT_VTABLE(u)->notify_message(u, ucred, tags, fds); |
62a76913 LP |
2247 | |
2248 | } else if (DEBUG_LOGGING) { | |
a86b7675 ZJS |
2249 | _cleanup_free_ char *x = NULL, *y = NULL; |
2250 | ||
da5fb861 | 2251 | x = ellipsize(buf, 20, 90); |
a86b7675 | 2252 | if (x) |
da5fb861 LP |
2253 | y = cescape(x); |
2254 | ||
a86b7675 ZJS |
2255 | log_unit_debug(u, "Got notification message \"%s\", ignoring.", strnull(y)); |
2256 | } | |
5ba6985b LP |
2257 | } |
2258 | ||
718db961 | 2259 | static int manager_dispatch_notify_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
3d0b8a55 | 2260 | |
b215b0ed | 2261 | _cleanup_fdset_free_ FDSet *fds = NULL; |
718db961 | 2262 | Manager *m = userdata; |
b215b0ed DH |
2263 | char buf[NOTIFY_BUFFER_MAX+1]; |
2264 | struct iovec iovec = { | |
2265 | .iov_base = buf, | |
2266 | .iov_len = sizeof(buf)-1, | |
2267 | }; | |
2268 | union { | |
2269 | struct cmsghdr cmsghdr; | |
2270 | uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) + | |
2271 | CMSG_SPACE(sizeof(int) * NOTIFY_FD_MAX)]; | |
2272 | } control = {}; | |
2273 | struct msghdr msghdr = { | |
2274 | .msg_iov = &iovec, | |
2275 | .msg_iovlen = 1, | |
2276 | .msg_control = &control, | |
2277 | .msg_controllen = sizeof(control), | |
2278 | }; | |
2279 | ||
2280 | struct cmsghdr *cmsg; | |
2281 | struct ucred *ucred = NULL; | |
62a76913 LP |
2282 | _cleanup_free_ Unit **array_copy = NULL; |
2283 | Unit *u1, *u2, **array; | |
b215b0ed | 2284 | int r, *fd_array = NULL; |
da6053d0 | 2285 | size_t n_fds = 0; |
62a76913 | 2286 | bool found = false; |
8c47c732 LP |
2287 | ssize_t n; |
2288 | ||
2289 | assert(m); | |
718db961 LP |
2290 | assert(m->notify_fd == fd); |
2291 | ||
2292 | if (revents != EPOLLIN) { | |
2293 | log_warning("Got unexpected poll event for notify fd."); | |
2294 | return 0; | |
2295 | } | |
8c47c732 | 2296 | |
045a3d59 | 2297 | n = recvmsg(m->notify_fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC|MSG_TRUNC); |
b215b0ed | 2298 | if (n < 0) { |
c55ae51e LP |
2299 | if (IN_SET(errno, EAGAIN, EINTR)) |
2300 | return 0; /* Spurious wakeup, try again */ | |
8c47c732 | 2301 | |
c55ae51e LP |
2302 | /* If this is any other, real error, then let's stop processing this socket. This of course means we |
2303 | * won't take notification messages anymore, but that's still better than busy looping around this: | |
2304 | * being woken up over and over again but being unable to actually read the message off the socket. */ | |
2305 | return log_error_errno(errno, "Failed to receive notification message: %m"); | |
b215b0ed | 2306 | } |
a354329f | 2307 | |
b215b0ed DH |
2308 | CMSG_FOREACH(cmsg, &msghdr) { |
2309 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { | |
a354329f | 2310 | |
b215b0ed DH |
2311 | fd_array = (int*) CMSG_DATA(cmsg); |
2312 | n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int); | |
a354329f | 2313 | |
b215b0ed DH |
2314 | } else if (cmsg->cmsg_level == SOL_SOCKET && |
2315 | cmsg->cmsg_type == SCM_CREDENTIALS && | |
2316 | cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred))) { | |
a354329f | 2317 | |
b215b0ed | 2318 | ucred = (struct ucred*) CMSG_DATA(cmsg); |
a354329f | 2319 | } |
b215b0ed | 2320 | } |
a354329f | 2321 | |
b215b0ed DH |
2322 | if (n_fds > 0) { |
2323 | assert(fd_array); | |
a354329f | 2324 | |
b215b0ed DH |
2325 | r = fdset_new_array(&fds, fd_array, n_fds); |
2326 | if (r < 0) { | |
2327 | close_many(fd_array, n_fds); | |
9987750e FB |
2328 | log_oom(); |
2329 | return 0; | |
a354329f | 2330 | } |
b215b0ed | 2331 | } |
8c47c732 | 2332 | |
15e23e8c | 2333 | if (!ucred || !pid_is_valid(ucred->pid)) { |
b215b0ed DH |
2334 | log_warning("Received notify message without valid credentials. Ignoring."); |
2335 | return 0; | |
2336 | } | |
8c47c732 | 2337 | |
045a3d59 | 2338 | if ((size_t) n >= sizeof(buf) || (msghdr.msg_flags & MSG_TRUNC)) { |
b215b0ed DH |
2339 | log_warning("Received notify message exceeded maximum size. Ignoring."); |
2340 | return 0; | |
2341 | } | |
8c47c732 | 2342 | |
875ca88d LP |
2343 | /* As extra safety check, let's make sure the string we get doesn't contain embedded NUL bytes. We permit one |
2344 | * trailing NUL byte in the message, but don't expect it. */ | |
2345 | if (n > 1 && memchr(buf, 0, n-1)) { | |
2346 | log_warning("Received notify message with embedded NUL bytes. Ignoring."); | |
2347 | return 0; | |
2348 | } | |
2349 | ||
2350 | /* Make sure it's NUL-terminated. */ | |
b215b0ed | 2351 | buf[n] = 0; |
8c47c732 | 2352 | |
62a76913 LP |
2353 | /* Increase the generation counter used for filtering out duplicate unit invocations. */ |
2354 | m->notifygen++; | |
2355 | ||
2356 | /* Notify every unit that might be interested, which might be multiple. */ | |
b215b0ed | 2357 | u1 = manager_get_unit_by_pid_cgroup(m, ucred->pid); |
62a76913 LP |
2358 | u2 = hashmap_get(m->watch_pids, PID_TO_PTR(ucred->pid)); |
2359 | array = hashmap_get(m->watch_pids, PID_TO_PTR(-ucred->pid)); | |
2360 | if (array) { | |
2361 | size_t k = 0; | |
5ba6985b | 2362 | |
62a76913 LP |
2363 | while (array[k]) |
2364 | k++; | |
5ba6985b | 2365 | |
62a76913 LP |
2366 | array_copy = newdup(Unit*, array, k+1); |
2367 | if (!array_copy) | |
2368 | log_oom(); | |
2369 | } | |
2370 | /* And now invoke the per-unit callbacks. Note that manager_invoke_notify_message() will handle duplicate units | |
2371 | * make sure we only invoke each unit's handler once. */ | |
2372 | if (u1) { | |
2373 | manager_invoke_notify_message(m, u1, ucred, buf, fds); | |
2374 | found = true; | |
2375 | } | |
2376 | if (u2) { | |
2377 | manager_invoke_notify_message(m, u2, ucred, buf, fds); | |
2378 | found = true; | |
2379 | } | |
2380 | if (array_copy) | |
2381 | for (size_t i = 0; array_copy[i]; i++) { | |
2382 | manager_invoke_notify_message(m, array_copy[i], ucred, buf, fds); | |
2383 | found = true; | |
2384 | } | |
8c47c732 | 2385 | |
62a76913 LP |
2386 | if (!found) |
2387 | log_warning("Cannot find unit for notify message of PID "PID_FMT", ignoring.", ucred->pid); | |
a354329f | 2388 | |
b215b0ed | 2389 | if (fdset_size(fds) > 0) |
5fd2c135 | 2390 | log_warning("Got extra auxiliary fds with notification message, closing them."); |
8c47c732 LP |
2391 | |
2392 | return 0; | |
2393 | } | |
2394 | ||
62a76913 LP |
2395 | static void manager_invoke_sigchld_event( |
2396 | Manager *m, | |
2397 | Unit *u, | |
2398 | const siginfo_t *si) { | |
36f20ae3 | 2399 | |
5ba6985b LP |
2400 | assert(m); |
2401 | assert(u); | |
2402 | assert(si); | |
2403 | ||
62a76913 LP |
2404 | /* Already invoked the handler of this unit in this iteration? Then don't process this again */ |
2405 | if (u->sigchldgen == m->sigchldgen) | |
2406 | return; | |
2407 | u->sigchldgen = m->sigchldgen; | |
5ba6985b | 2408 | |
62a76913 | 2409 | log_unit_debug(u, "Child "PID_FMT" belongs to %s.", si->si_pid, u->id); |
5ba6985b | 2410 | unit_unwatch_pid(u, si->si_pid); |
e57051f5 | 2411 | |
62a76913 LP |
2412 | if (UNIT_VTABLE(u)->sigchld_event) |
2413 | UNIT_VTABLE(u)->sigchld_event(u, si->si_pid, si->si_code, si->si_status); | |
5ba6985b LP |
2414 | } |
2415 | ||
575b300b LP |
2416 | static int manager_dispatch_sigchld(sd_event_source *source, void *userdata) { |
2417 | Manager *m = userdata; | |
2418 | siginfo_t si = {}; | |
2419 | int r; | |
2420 | ||
2421 | assert(source); | |
9152c765 LP |
2422 | assert(m); |
2423 | ||
575b300b LP |
2424 | /* First we call waitd() for a PID and do not reap the zombie. That way we can still access /proc/$PID for it |
2425 | * while it is a zombie. */ | |
9152c765 | 2426 | |
575b300b | 2427 | if (waitid(P_ALL, 0, &si, WEXITED|WNOHANG|WNOWAIT) < 0) { |
acbb0225 | 2428 | |
8afabc50 AJ |
2429 | if (errno != ECHILD) |
2430 | log_error_errno(errno, "Failed to peek for child with waitid(), ignoring: %m"); | |
acbb0225 | 2431 | |
8afabc50 | 2432 | goto turn_off; |
575b300b | 2433 | } |
4112df16 | 2434 | |
575b300b LP |
2435 | if (si.si_pid <= 0) |
2436 | goto turn_off; | |
2437 | ||
2438 | if (IN_SET(si.si_code, CLD_EXITED, CLD_KILLED, CLD_DUMPED)) { | |
62a76913 | 2439 | _cleanup_free_ Unit **array_copy = NULL; |
575b300b | 2440 | _cleanup_free_ char *name = NULL; |
62a76913 | 2441 | Unit *u1, *u2, **array; |
575b300b LP |
2442 | |
2443 | (void) get_process_comm(si.si_pid, &name); | |
2444 | ||
2445 | log_debug("Child "PID_FMT" (%s) died (code=%s, status=%i/%s)", | |
2446 | si.si_pid, strna(name), | |
2447 | sigchld_code_to_string(si.si_code), | |
2448 | si.si_status, | |
2449 | strna(si.si_code == CLD_EXITED | |
2450 | ? exit_status_to_string(si.si_status, EXIT_STATUS_FULL) | |
2451 | : signal_to_string(si.si_status))); | |
2452 | ||
62a76913 LP |
2453 | /* Increase the generation counter used for filtering out duplicate unit invocations */ |
2454 | m->sigchldgen++; | |
2455 | ||
2456 | /* And now figure out the unit this belongs to, it might be multiple... */ | |
575b300b | 2457 | u1 = manager_get_unit_by_pid_cgroup(m, si.si_pid); |
62a76913 LP |
2458 | u2 = hashmap_get(m->watch_pids, PID_TO_PTR(si.si_pid)); |
2459 | array = hashmap_get(m->watch_pids, PID_TO_PTR(-si.si_pid)); | |
2460 | if (array) { | |
2461 | size_t n = 0; | |
2462 | ||
2463 | /* Cound how many entries the array has */ | |
2464 | while (array[n]) | |
2465 | n++; | |
2466 | ||
2467 | /* Make a copy of the array so that we don't trip up on the array changing beneath us */ | |
2468 | array_copy = newdup(Unit*, array, n+1); | |
2469 | if (!array_copy) | |
2470 | log_oom(); | |
2471 | } | |
2472 | ||
2473 | /* Finally, execute them all. Note that u1, u2 and the array might contain duplicates, but | |
2474 | * that's fine, manager_invoke_sigchld_event() will ensure we only invoke the handlers once for | |
2475 | * each iteration. */ | |
575b300b | 2476 | if (u1) |
62a76913 LP |
2477 | manager_invoke_sigchld_event(m, u1, &si); |
2478 | if (u2) | |
2479 | manager_invoke_sigchld_event(m, u2, &si); | |
2480 | if (array_copy) | |
2481 | for (size_t i = 0; array_copy[i]; i++) | |
2482 | manager_invoke_sigchld_event(m, array_copy[i], &si); | |
575b300b | 2483 | } |
9152c765 | 2484 | |
575b300b LP |
2485 | /* And now, we actually reap the zombie. */ |
2486 | if (waitid(P_PID, si.si_pid, &si, WEXITED) < 0) { | |
2487 | log_error_errno(errno, "Failed to dequeue child, ignoring: %m"); | |
2488 | return 0; | |
2489 | } | |
9152c765 | 2490 | |
575b300b | 2491 | return 0; |
8c47c732 | 2492 | |
575b300b LP |
2493 | turn_off: |
2494 | /* All children processed for now, turn off event source */ | |
4112df16 | 2495 | |
575b300b LP |
2496 | r = sd_event_source_set_enabled(m->sigchld_event_source, SD_EVENT_OFF); |
2497 | if (r < 0) | |
2498 | return log_error_errno(r, "Failed to disable SIGCHLD event source: %m"); | |
9152c765 LP |
2499 | |
2500 | return 0; | |
2501 | } | |
2502 | ||
c75fbada | 2503 | static void manager_start_target(Manager *m, const char *name, JobMode mode) { |
4afd3348 | 2504 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
28247076 | 2505 | int r; |
398ef8ba | 2506 | |
f2341e0a | 2507 | log_debug("Activating special unit %s", name); |
1e001f52 | 2508 | |
4bd29fe5 | 2509 | r = manager_add_job_by_name(m, JOB_START, name, mode, &error, NULL); |
bd0af849 | 2510 | if (r < 0) |
f2341e0a | 2511 | log_error("Failed to enqueue %s job: %s", name, bus_error_message(&error, r)); |
28247076 LP |
2512 | } |
2513 | ||
24dd31c1 LN |
2514 | static void manager_handle_ctrl_alt_del(Manager *m) { |
2515 | /* If the user presses C-A-D more than | |
2516 | * 7 times within 2s, we reboot/shutdown immediately, | |
2517 | * unless it was disabled in system.conf */ | |
2518 | ||
7994ac1d | 2519 | if (ratelimit_below(&m->ctrl_alt_del_ratelimit) || m->cad_burst_action == EMERGENCY_ACTION_NONE) |
24dd31c1 | 2520 | manager_start_target(m, SPECIAL_CTRL_ALT_DEL_TARGET, JOB_REPLACE_IRREVERSIBLY); |
ae8c7939 LN |
2521 | else |
2522 | emergency_action(m, m->cad_burst_action, NULL, | |
2523 | "Ctrl-Alt-Del was pressed more than 7 times within 2s"); | |
24dd31c1 LN |
2524 | } |
2525 | ||
718db961 LP |
2526 | static int manager_dispatch_signal_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
2527 | Manager *m = userdata; | |
9152c765 LP |
2528 | ssize_t n; |
2529 | struct signalfd_siginfo sfsi; | |
dacd6cee | 2530 | int r; |
9152c765 LP |
2531 | |
2532 | assert(m); | |
718db961 LP |
2533 | assert(m->signal_fd == fd); |
2534 | ||
2535 | if (revents != EPOLLIN) { | |
2536 | log_warning("Got unexpected events from signal file descriptor."); | |
2537 | return 0; | |
2538 | } | |
9152c765 | 2539 | |
575b300b LP |
2540 | n = read(m->signal_fd, &sfsi, sizeof(sfsi)); |
2541 | if (n != sizeof(sfsi)) { | |
2542 | if (n >= 0) { | |
2543 | log_warning("Truncated read from signal fd (%zu bytes), ignoring!", n); | |
2544 | return 0; | |
2545 | } | |
9152c765 | 2546 | |
575b300b LP |
2547 | if (IN_SET(errno, EINTR, EAGAIN)) |
2548 | return 0; | |
9152c765 | 2549 | |
575b300b LP |
2550 | /* We return an error here, which will kill this handler, |
2551 | * to avoid a busy loop on read error. */ | |
2552 | return log_error_errno(errno, "Reading from signal fd failed: %m"); | |
2553 | } | |
9152c765 | 2554 | |
575b300b LP |
2555 | log_received_signal(sfsi.ssi_signo == SIGCHLD || |
2556 | (sfsi.ssi_signo == SIGTERM && MANAGER_IS_USER(m)) | |
2557 | ? LOG_DEBUG : LOG_INFO, | |
2558 | &sfsi); | |
1e001f52 | 2559 | |
575b300b | 2560 | switch (sfsi.ssi_signo) { |
b9cd2ec1 | 2561 | |
575b300b LP |
2562 | case SIGCHLD: |
2563 | r = sd_event_source_set_enabled(m->sigchld_event_source, SD_EVENT_ON); | |
2564 | if (r < 0) | |
8afabc50 | 2565 | log_warning_errno(r, "Failed to enable SIGCHLD event source, ignoring: %m"); |
b9cd2ec1 | 2566 | |
575b300b | 2567 | break; |
84e9af1e | 2568 | |
575b300b LP |
2569 | case SIGTERM: |
2570 | if (MANAGER_IS_SYSTEM(m)) { | |
ba0c7754 | 2571 | /* This is for compatibility with the original sysvinit */ |
c52b19d6 LP |
2572 | if (verify_run_space_and_log("Refusing to reexecute") < 0) |
2573 | break; | |
2574 | ||
2575 | m->objective = MANAGER_REEXECUTE; | |
a1b256b0 | 2576 | break; |
575b300b | 2577 | } |
84e9af1e | 2578 | |
575b300b LP |
2579 | _fallthrough_; |
2580 | case SIGINT: | |
2581 | if (MANAGER_IS_SYSTEM(m)) | |
2582 | manager_handle_ctrl_alt_del(m); | |
2583 | else | |
2584 | manager_start_target(m, SPECIAL_EXIT_TARGET, | |
2585 | JOB_REPLACE_IRREVERSIBLY); | |
2586 | break; | |
84e9af1e | 2587 | |
575b300b | 2588 | case SIGWINCH: |
ba0c7754 | 2589 | /* This is a nop on non-init */ |
575b300b LP |
2590 | if (MANAGER_IS_SYSTEM(m)) |
2591 | manager_start_target(m, SPECIAL_KBREQUEST_TARGET, JOB_REPLACE); | |
84e9af1e | 2592 | |
575b300b | 2593 | break; |
84e9af1e | 2594 | |
575b300b | 2595 | case SIGPWR: |
ba0c7754 | 2596 | /* This is a nop on non-init */ |
575b300b LP |
2597 | if (MANAGER_IS_SYSTEM(m)) |
2598 | manager_start_target(m, SPECIAL_SIGPWR_TARGET, JOB_REPLACE); | |
6632c602 | 2599 | |
575b300b | 2600 | break; |
57ee42ce | 2601 | |
8559b3b7 | 2602 | case SIGUSR1: |
8559b3b7 | 2603 | if (manager_dbus_is_running(m, false)) { |
575b300b | 2604 | log_info("Trying to reconnect to bus..."); |
575b300b | 2605 | |
8559b3b7 LP |
2606 | (void) bus_init_api(m); |
2607 | ||
2608 | if (MANAGER_IS_SYSTEM(m)) | |
2609 | (void) bus_init_system(m); | |
2610 | } else { | |
2611 | log_info("Starting D-Bus service..."); | |
575b300b LP |
2612 | manager_start_target(m, SPECIAL_DBUS_SERVICE, JOB_REPLACE); |
2613 | } | |
57ee42ce | 2614 | |
575b300b | 2615 | break; |
575b300b LP |
2616 | |
2617 | case SIGUSR2: { | |
2618 | _cleanup_free_ char *dump = NULL; | |
2619 | ||
2620 | r = manager_get_dump_string(m, &dump); | |
2621 | if (r < 0) { | |
2622 | log_warning_errno(errno, "Failed to acquire manager dump: %m"); | |
57ee42ce LP |
2623 | break; |
2624 | } | |
2625 | ||
575b300b LP |
2626 | log_dump(LOG_INFO, dump); |
2627 | break; | |
2628 | } | |
2149e37c | 2629 | |
575b300b | 2630 | case SIGHUP: |
c52b19d6 LP |
2631 | if (verify_run_space_and_log("Refusing to reload") < 0) |
2632 | break; | |
2633 | ||
2634 | m->objective = MANAGER_RELOAD; | |
575b300b LP |
2635 | break; |
2636 | ||
2637 | default: { | |
2638 | ||
2639 | /* Starting SIGRTMIN+0 */ | |
2640 | static const struct { | |
2641 | const char *target; | |
2642 | JobMode mode; | |
2643 | } target_table[] = { | |
2644 | [0] = { SPECIAL_DEFAULT_TARGET, JOB_ISOLATE }, | |
2645 | [1] = { SPECIAL_RESCUE_TARGET, JOB_ISOLATE }, | |
2646 | [2] = { SPECIAL_EMERGENCY_TARGET, JOB_ISOLATE }, | |
2647 | [3] = { SPECIAL_HALT_TARGET, JOB_REPLACE_IRREVERSIBLY }, | |
2648 | [4] = { SPECIAL_POWEROFF_TARGET, JOB_REPLACE_IRREVERSIBLY }, | |
2649 | [5] = { SPECIAL_REBOOT_TARGET, JOB_REPLACE_IRREVERSIBLY }, | |
2650 | [6] = { SPECIAL_KEXEC_TARGET, JOB_REPLACE_IRREVERSIBLY }, | |
2651 | }; | |
2652 | ||
2653 | /* Starting SIGRTMIN+13, so that target halt and system halt are 10 apart */ | |
af41e508 | 2654 | static const ManagerObjective objective_table[] = { |
575b300b LP |
2655 | [0] = MANAGER_HALT, |
2656 | [1] = MANAGER_POWEROFF, | |
2657 | [2] = MANAGER_REBOOT, | |
2658 | [3] = MANAGER_KEXEC, | |
2659 | }; | |
b2cdc666 | 2660 | |
575b300b LP |
2661 | if ((int) sfsi.ssi_signo >= SIGRTMIN+0 && |
2662 | (int) sfsi.ssi_signo < SIGRTMIN+(int) ELEMENTSOF(target_table)) { | |
2663 | int idx = (int) sfsi.ssi_signo - SIGRTMIN; | |
2664 | manager_start_target(m, target_table[idx].target, | |
2665 | target_table[idx].mode); | |
1005d14f | 2666 | break; |
2149e37c | 2667 | } |
1005d14f | 2668 | |
575b300b | 2669 | if ((int) sfsi.ssi_signo >= SIGRTMIN+13 && |
af41e508 LP |
2670 | (int) sfsi.ssi_signo < SIGRTMIN+13+(int) ELEMENTSOF(objective_table)) { |
2671 | m->objective = objective_table[sfsi.ssi_signo - SIGRTMIN - 13]; | |
575b300b LP |
2672 | break; |
2673 | } | |
2674 | ||
2675 | switch (sfsi.ssi_signo - SIGRTMIN) { | |
2676 | ||
2677 | case 20: | |
2678 | manager_set_show_status(m, SHOW_STATUS_YES); | |
a16e1123 LP |
2679 | break; |
2680 | ||
575b300b LP |
2681 | case 21: |
2682 | manager_set_show_status(m, SHOW_STATUS_NO); | |
2683 | break; | |
7d793605 | 2684 | |
575b300b | 2685 | case 22: |
a6ecbf83 | 2686 | manager_override_log_level(m, LOG_DEBUG); |
575b300b LP |
2687 | break; |
2688 | ||
2689 | case 23: | |
a6ecbf83 | 2690 | manager_restore_original_log_level(m); |
575b300b | 2691 | break; |
0003d1ab | 2692 | |
575b300b LP |
2693 | case 24: |
2694 | if (MANAGER_IS_USER(m)) { | |
af41e508 | 2695 | m->objective = MANAGER_EXIT; |
575b300b | 2696 | return 0; |
0658666b | 2697 | } |
9152c765 | 2698 | |
575b300b LP |
2699 | /* This is a nop on init */ |
2700 | break; | |
2701 | ||
2702 | case 26: | |
2703 | case 29: /* compatibility: used to be mapped to LOG_TARGET_SYSLOG_OR_KMSG */ | |
bda7d78b | 2704 | manager_restore_original_log_target(m); |
575b300b LP |
2705 | break; |
2706 | ||
2707 | case 27: | |
bda7d78b | 2708 | manager_override_log_target(m, LOG_TARGET_CONSOLE); |
575b300b LP |
2709 | break; |
2710 | ||
2711 | case 28: | |
bda7d78b | 2712 | manager_override_log_target(m, LOG_TARGET_KMSG); |
575b300b LP |
2713 | break; |
2714 | ||
2715 | default: | |
2716 | log_warning("Got unhandled signal <%s>.", signal_to_string(sfsi.ssi_signo)); | |
2717 | } | |
2718 | }} | |
034c6ed7 LP |
2719 | |
2720 | return 0; | |
2721 | } | |
2722 | ||
718db961 LP |
2723 | static int manager_dispatch_time_change_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
2724 | Manager *m = userdata; | |
2725 | Iterator i; | |
2726 | Unit *u; | |
034c6ed7 LP |
2727 | |
2728 | assert(m); | |
718db961 | 2729 | assert(m->time_change_fd == fd); |
034c6ed7 | 2730 | |
a80c1575 | 2731 | log_struct(LOG_DEBUG, |
2b044526 | 2732 | "MESSAGE_ID=" SD_MESSAGE_TIME_CHANGE_STR, |
a1230ff9 | 2733 | LOG_MESSAGE("Time has been changed")); |
034c6ed7 | 2734 | |
718db961 | 2735 | /* Restart the watch */ |
7feedd18 | 2736 | (void) manager_setup_time_change(m); |
4e434314 | 2737 | |
718db961 LP |
2738 | HASHMAP_FOREACH(u, m->units, i) |
2739 | if (UNIT_VTABLE(u)->time_change) | |
2740 | UNIT_VTABLE(u)->time_change(u); | |
ea430986 | 2741 | |
718db961 LP |
2742 | return 0; |
2743 | } | |
ea430986 | 2744 | |
bbf5fd8e LP |
2745 | static int manager_dispatch_timezone_change( |
2746 | sd_event_source *source, | |
2747 | const struct inotify_event *e, | |
2748 | void *userdata) { | |
2749 | ||
2750 | Manager *m = userdata; | |
2751 | int changed; | |
2752 | Iterator i; | |
2753 | Unit *u; | |
2754 | ||
2755 | assert(m); | |
2756 | ||
2757 | log_debug("inotify event for /etc/localtime"); | |
2758 | ||
2759 | changed = manager_read_timezone_stat(m); | |
2760 | if (changed < 0) | |
2761 | return changed; | |
2762 | if (!changed) | |
2763 | return 0; | |
2764 | ||
2765 | /* Something changed, restart the watch, to ensure we watch the new /etc/localtime if it changed */ | |
2766 | (void) manager_setup_timezone_change(m); | |
2767 | ||
2768 | /* Read the new timezone */ | |
2769 | tzset(); | |
2770 | ||
2771 | log_debug("Timezone has been changed (now: %s).", tzname[daylight]); | |
2772 | ||
2773 | HASHMAP_FOREACH(u, m->units, i) | |
2774 | if (UNIT_VTABLE(u)->timezone_change) | |
2775 | UNIT_VTABLE(u)->timezone_change(u); | |
2776 | ||
2777 | return 0; | |
2778 | } | |
2779 | ||
718db961 LP |
2780 | static int manager_dispatch_idle_pipe_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { |
2781 | Manager *m = userdata; | |
8742514c | 2782 | |
718db961 LP |
2783 | assert(m); |
2784 | assert(m->idle_pipe[2] == fd); | |
8742514c | 2785 | |
5a69973f LP |
2786 | /* There's at least one Type=idle child that just gave up on us waiting for the boot process to complete. Let's |
2787 | * now turn off any further console output if there's at least one service that needs console access, so that | |
2788 | * from now on our own output should not spill into that service's output anymore. After all, we support | |
2789 | * Type=idle only to beautify console output and it generally is set on services that want to own the console | |
2790 | * exclusively without our interference. */ | |
718db961 | 2791 | m->no_console_output = m->n_on_console > 0; |
03b717a3 | 2792 | |
5a69973f LP |
2793 | /* Acknowledge the child's request, and let all all other children know too that they shouldn't wait any longer |
2794 | * by closing the pipes towards them, which is what they are waiting for. */ | |
718db961 | 2795 | manager_close_idle_pipe(m); |
03b717a3 | 2796 | |
718db961 LP |
2797 | return 0; |
2798 | } | |
31a7eb86 | 2799 | |
718db961 LP |
2800 | static int manager_dispatch_jobs_in_progress(sd_event_source *source, usec_t usec, void *userdata) { |
2801 | Manager *m = userdata; | |
fd08a840 ZJS |
2802 | int r; |
2803 | uint64_t next; | |
31a7eb86 | 2804 | |
718db961 | 2805 | assert(m); |
fd08a840 | 2806 | assert(source); |
9152c765 | 2807 | |
718db961 | 2808 | manager_print_jobs_in_progress(m); |
fd08a840 ZJS |
2809 | |
2810 | next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_PERIOD_USEC; | |
2811 | r = sd_event_source_set_time(source, next); | |
2812 | if (r < 0) | |
2813 | return r; | |
2814 | ||
2815 | return sd_event_source_set_enabled(source, SD_EVENT_ONESHOT); | |
9152c765 LP |
2816 | } |
2817 | ||
2818 | int manager_loop(Manager *m) { | |
2819 | int r; | |
9152c765 | 2820 | |
fac9f8df | 2821 | RATELIMIT_DEFINE(rl, 1*USEC_PER_SEC, 50000); |
ea430986 | 2822 | |
9152c765 | 2823 | assert(m); |
1fb70e66 | 2824 | assert(m->objective == MANAGER_OK); /* Ensure manager_startup() has been called */ |
9152c765 | 2825 | |
fe51822e | 2826 | /* Release the path cache */ |
97044145 | 2827 | m->unit_path_cache = set_free_free(m->unit_path_cache); |
fe51822e | 2828 | |
b0c918b9 LP |
2829 | manager_check_finished(m); |
2830 | ||
575b300b LP |
2831 | /* There might still be some zombies hanging around from before we were exec()'ed. Let's reap them. */ |
2832 | r = sd_event_source_set_enabled(m->sigchld_event_source, SD_EVENT_ON); | |
e96d6be7 | 2833 | if (r < 0) |
575b300b | 2834 | return log_error_errno(r, "Failed to enable SIGCHLD event source: %m"); |
a4312405 | 2835 | |
af41e508 | 2836 | while (m->objective == MANAGER_OK) { |
718db961 | 2837 | usec_t wait_usec; |
9152c765 | 2838 | |
463d0d15 | 2839 | if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && MANAGER_IS_SYSTEM(m)) |
e96d6be7 LP |
2840 | watchdog_ping(); |
2841 | ||
7994ac1d | 2842 | if (!ratelimit_below(&rl)) { |
ea430986 LP |
2843 | /* Yay, something is going seriously wrong, pause a little */ |
2844 | log_warning("Looping too fast. Throttling execution a little."); | |
2845 | sleep(1); | |
2846 | } | |
2847 | ||
37a8e683 | 2848 | if (manager_dispatch_load_queue(m) > 0) |
23a177ef LP |
2849 | continue; |
2850 | ||
c5a97ed1 LP |
2851 | if (manager_dispatch_gc_job_queue(m) > 0) |
2852 | continue; | |
2853 | ||
2854 | if (manager_dispatch_gc_unit_queue(m) > 0) | |
701cc384 LP |
2855 | continue; |
2856 | ||
cf1265e1 | 2857 | if (manager_dispatch_cleanup_queue(m) > 0) |
c1e1601e | 2858 | continue; |
034c6ed7 | 2859 | |
91a6073e | 2860 | if (manager_dispatch_cgroup_realize_queue(m) > 0) |
c1e1601e LP |
2861 | continue; |
2862 | ||
a3c1168a LP |
2863 | if (manager_dispatch_stop_when_unneeded_queue(m) > 0) |
2864 | continue; | |
2865 | ||
c1e1601e | 2866 | if (manager_dispatch_dbus_queue(m) > 0) |
ea430986 | 2867 | continue; |
ea430986 | 2868 | |
c757a65b | 2869 | /* Sleep for half the watchdog time */ |
463d0d15 | 2870 | if (m->runtime_watchdog > 0 && m->runtime_watchdog != USEC_INFINITY && MANAGER_IS_SYSTEM(m)) { |
718db961 LP |
2871 | wait_usec = m->runtime_watchdog / 2; |
2872 | if (wait_usec <= 0) | |
2873 | wait_usec = 1; | |
c757a65b | 2874 | } else |
3a43da28 | 2875 | wait_usec = USEC_INFINITY; |
9152c765 | 2876 | |
718db961 | 2877 | r = sd_event_run(m->event, wait_usec); |
23bbb0de MS |
2878 | if (r < 0) |
2879 | return log_error_errno(r, "Failed to run event loop: %m"); | |
a16e1123 | 2880 | } |
957ca890 | 2881 | |
af41e508 | 2882 | return m->objective; |
83c60c9f | 2883 | } |
ea430986 | 2884 | |
718db961 | 2885 | int manager_load_unit_from_dbus_path(Manager *m, const char *s, sd_bus_error *e, Unit **_u) { |
ede3a796 | 2886 | _cleanup_free_ char *n = NULL; |
4b58153d | 2887 | sd_id128_t invocation_id; |
ea430986 | 2888 | Unit *u; |
80fbf05e | 2889 | int r; |
ea430986 LP |
2890 | |
2891 | assert(m); | |
2892 | assert(s); | |
2893 | assert(_u); | |
2894 | ||
ede3a796 LP |
2895 | r = unit_name_from_dbus_path(s, &n); |
2896 | if (r < 0) | |
2897 | return r; | |
ea430986 | 2898 | |
4b58153d LP |
2899 | /* Permit addressing units by invocation ID: if the passed bus path is suffixed by a 128bit ID then we use it |
2900 | * as invocation ID. */ | |
2901 | r = sd_id128_from_string(n, &invocation_id); | |
2902 | if (r >= 0) { | |
2903 | u = hashmap_get(m->units_by_invocation_id, &invocation_id); | |
2904 | if (u) { | |
2905 | *_u = u; | |
2906 | return 0; | |
2907 | } | |
2908 | ||
930c124c ZJS |
2909 | return sd_bus_error_setf(e, BUS_ERROR_NO_UNIT_FOR_INVOCATION_ID, |
2910 | "No unit with the specified invocation ID " SD_ID128_FORMAT_STR " known.", | |
2911 | SD_ID128_FORMAT_VAL(invocation_id)); | |
4b58153d LP |
2912 | } |
2913 | ||
00c83b43 | 2914 | /* If this didn't work, we check if this is a unit name */ |
930c124c ZJS |
2915 | if (!unit_name_is_valid(n, UNIT_NAME_PLAIN|UNIT_NAME_INSTANCE)) { |
2916 | _cleanup_free_ char *nn = NULL; | |
2917 | ||
2918 | nn = cescape(n); | |
2919 | return sd_bus_error_setf(e, SD_BUS_ERROR_INVALID_ARGS, | |
2920 | "Unit name %s is neither a valid invocation ID nor unit name.", strnull(nn)); | |
2921 | } | |
00c83b43 | 2922 | |
80fbf05e | 2923 | r = manager_load_unit(m, n, NULL, e, &u); |
80fbf05e MS |
2924 | if (r < 0) |
2925 | return r; | |
ea430986 LP |
2926 | |
2927 | *_u = u; | |
ea430986 LP |
2928 | return 0; |
2929 | } | |
86fbf370 LP |
2930 | |
2931 | int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j) { | |
718db961 | 2932 | const char *p; |
86fbf370 | 2933 | unsigned id; |
718db961 | 2934 | Job *j; |
86fbf370 LP |
2935 | int r; |
2936 | ||
2937 | assert(m); | |
2938 | assert(s); | |
2939 | assert(_j); | |
2940 | ||
718db961 LP |
2941 | p = startswith(s, "/org/freedesktop/systemd1/job/"); |
2942 | if (!p) | |
86fbf370 LP |
2943 | return -EINVAL; |
2944 | ||
718db961 | 2945 | r = safe_atou(p, &id); |
8742514c | 2946 | if (r < 0) |
86fbf370 LP |
2947 | return r; |
2948 | ||
8742514c LP |
2949 | j = manager_get_job(m, id); |
2950 | if (!j) | |
86fbf370 LP |
2951 | return -ENOENT; |
2952 | ||
2953 | *_j = j; | |
2954 | ||
2955 | return 0; | |
2956 | } | |
dfcd764e | 2957 | |
4927fcae | 2958 | void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) { |
e537352b | 2959 | |
349cc4a5 | 2960 | #if HAVE_AUDIT |
2ba11090 | 2961 | _cleanup_free_ char *p = NULL; |
0aa281df | 2962 | const char *msg; |
7410616c | 2963 | int audit_fd, r; |
e537352b | 2964 | |
463d0d15 | 2965 | if (!MANAGER_IS_SYSTEM(m)) |
a1a078ee LP |
2966 | return; |
2967 | ||
c1165f82 LP |
2968 | audit_fd = get_audit_fd(); |
2969 | if (audit_fd < 0) | |
e537352b LP |
2970 | return; |
2971 | ||
bbd3a7ba LP |
2972 | /* Don't generate audit events if the service was already |
2973 | * started and we're just deserializing */ | |
2c289ea8 | 2974 | if (MANAGER_IS_RELOADING(m)) |
bbd3a7ba LP |
2975 | return; |
2976 | ||
ac155bb8 | 2977 | if (u->type != UNIT_SERVICE) |
f1dd0c3f LP |
2978 | return; |
2979 | ||
7410616c LP |
2980 | r = unit_name_to_prefix_and_instance(u->id, &p); |
2981 | if (r < 0) { | |
2982 | log_error_errno(r, "Failed to extract prefix and instance of unit name: %m"); | |
e537352b LP |
2983 | return; |
2984 | } | |
2985 | ||
63c372cb | 2986 | msg = strjoina("unit=", p); |
0aa281df LP |
2987 | if (audit_log_user_comm_message(audit_fd, type, msg, "systemd", NULL, NULL, NULL, success) < 0) { |
2988 | if (errno == EPERM) | |
391ade86 | 2989 | /* We aren't allowed to send audit messages? |
44785992 | 2990 | * Then let's not retry again. */ |
c1165f82 | 2991 | close_audit_fd(); |
0aa281df | 2992 | else |
56f64d95 | 2993 | log_warning_errno(errno, "Failed to send audit message: %m"); |
391ade86 | 2994 | } |
4927fcae | 2995 | #endif |
e537352b | 2996 | |
e537352b LP |
2997 | } |
2998 | ||
e983b760 | 2999 | void manager_send_unit_plymouth(Manager *m, Unit *u) { |
fc2fffe7 | 3000 | static const union sockaddr_union sa = PLYMOUTH_SOCKET; |
2ba11090 ZJS |
3001 | _cleanup_free_ char *message = NULL; |
3002 | _cleanup_close_ int fd = -1; | |
fc2fffe7 | 3003 | int n = 0; |
e983b760 LP |
3004 | |
3005 | /* Don't generate plymouth events if the service was already | |
3006 | * started and we're just deserializing */ | |
2c289ea8 | 3007 | if (MANAGER_IS_RELOADING(m)) |
e983b760 LP |
3008 | return; |
3009 | ||
463d0d15 | 3010 | if (!MANAGER_IS_SYSTEM(m)) |
e983b760 LP |
3011 | return; |
3012 | ||
75f86906 | 3013 | if (detect_container() > 0) |
3772995a LP |
3014 | return; |
3015 | ||
ec2ce0c5 | 3016 | if (!IN_SET(u->type, UNIT_SERVICE, UNIT_MOUNT, UNIT_SWAP)) |
e983b760 LP |
3017 | return; |
3018 | ||
3019 | /* We set SOCK_NONBLOCK here so that we rather drop the | |
3020 | * message then wait for plymouth */ | |
e62d8c39 ZJS |
3021 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0); |
3022 | if (fd < 0) { | |
56f64d95 | 3023 | log_error_errno(errno, "socket() failed: %m"); |
e983b760 LP |
3024 | return; |
3025 | } | |
3026 | ||
fc2fffe7 | 3027 | if (connect(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)) < 0) { |
2ba11090 | 3028 | if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED)) |
56f64d95 | 3029 | log_error_errno(errno, "connect() failed: %m"); |
2ba11090 | 3030 | return; |
e983b760 LP |
3031 | } |
3032 | ||
ac155bb8 | 3033 | if (asprintf(&message, "U\002%c%s%n", (int) (strlen(u->id) + 1), u->id, &n) < 0) { |
0d0f0c50 | 3034 | log_oom(); |
2ba11090 | 3035 | return; |
e983b760 LP |
3036 | } |
3037 | ||
3038 | errno = 0; | |
2ba11090 ZJS |
3039 | if (write(fd, message, n + 1) != n + 1) |
3040 | if (!IN_SET(errno, EPIPE, EAGAIN, ENOENT, ECONNREFUSED, ECONNRESET, ECONNABORTED)) | |
56f64d95 | 3041 | log_error_errno(errno, "Failed to write Plymouth message: %m"); |
e983b760 LP |
3042 | } |
3043 | ||
d8d5ab98 | 3044 | int manager_open_serialization(Manager *m, FILE **_f) { |
504afd7c | 3045 | int fd; |
a16e1123 LP |
3046 | FILE *f; |
3047 | ||
3048 | assert(_f); | |
3049 | ||
504afd7c ZJS |
3050 | fd = open_serialization_fd("systemd-state"); |
3051 | if (fd < 0) | |
3052 | return fd; | |
a16e1123 | 3053 | |
01e10de3 | 3054 | f = fdopen(fd, "w+"); |
d86f9d52 | 3055 | if (!f) { |
03e334a1 | 3056 | safe_close(fd); |
a16e1123 | 3057 | return -errno; |
d86f9d52 | 3058 | } |
a16e1123 LP |
3059 | |
3060 | *_f = f; | |
a16e1123 LP |
3061 | return 0; |
3062 | } | |
3063 | ||
4daf832a LP |
3064 | int manager_serialize( |
3065 | Manager *m, | |
3066 | FILE *f, | |
3067 | FDSet *fds, | |
3068 | bool switching_root) { | |
3069 | ||
9f9f0342 LP |
3070 | ManagerTimestamp q; |
3071 | const char *t; | |
a16e1123 LP |
3072 | Iterator i; |
3073 | Unit *u; | |
a16e1123 LP |
3074 | int r; |
3075 | ||
3076 | assert(m); | |
3077 | assert(f); | |
3078 | assert(fds); | |
3079 | ||
313cefa1 | 3080 | m->n_reloading++; |
38c52d46 | 3081 | |
1fa2f38f | 3082 | fprintf(f, "current-job-id=%"PRIu32"\n", m->current_job_id); |
33c5fae9 LP |
3083 | fprintf(f, "n-installed-jobs=%u\n", m->n_installed_jobs); |
3084 | fprintf(f, "n-failed-jobs=%u\n", m->n_failed_jobs); | |
0c2826c6 ZJS |
3085 | fprintf(f, "taint-usr=%s\n", yes_no(m->taint_usr)); |
3086 | fprintf(f, "ready-sent=%s\n", yes_no(m->ready_sent)); | |
d8eb10d6 | 3087 | fprintf(f, "taint-logged=%s\n", yes_no(m->taint_logged)); |
2a12e32e | 3088 | fprintf(f, "service-watchdogs=%s\n", yes_no(m->service_watchdogs)); |
01d67b43 | 3089 | |
bee38b5c YW |
3090 | t = show_status_to_string(m->show_status); |
3091 | if (t) | |
3092 | fprintf(f, "show-status=%s\n", t); | |
3093 | ||
a6ecbf83 FB |
3094 | if (m->log_level_overridden) |
3095 | fprintf(f, "log-level-override=%i\n", log_get_max_level()); | |
bda7d78b FB |
3096 | if (m->log_target_overridden) |
3097 | fprintf(f, "log-target-override=%s\n", log_target_to_string(log_get_target())); | |
a6ecbf83 | 3098 | |
9f9f0342 | 3099 | for (q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) { |
d4ee7bd8 YW |
3100 | /* The following timestamps only apply to the host system, hence only serialize them there */ |
3101 | if (in_initrd() && | |
3102 | IN_SET(q, MANAGER_TIMESTAMP_USERSPACE, MANAGER_TIMESTAMP_FINISH, | |
3103 | MANAGER_TIMESTAMP_SECURITY_START, MANAGER_TIMESTAMP_SECURITY_FINISH, | |
3104 | MANAGER_TIMESTAMP_GENERATORS_START, MANAGER_TIMESTAMP_GENERATORS_FINISH, | |
3105 | MANAGER_TIMESTAMP_UNITS_LOAD_START, MANAGER_TIMESTAMP_UNITS_LOAD_FINISH)) | |
9f9f0342 | 3106 | continue; |
f38ed060 | 3107 | |
9f9f0342 LP |
3108 | t = manager_timestamp_to_string(q); |
3109 | { | |
fbd0b64f | 3110 | char field[strlen(t) + STRLEN("-timestamp") + 1]; |
9f9f0342 LP |
3111 | strcpy(stpcpy(field, t), "-timestamp"); |
3112 | dual_timestamp_serialize(f, field, m->timestamps + q); | |
3113 | } | |
f38ed060 | 3114 | } |
47a483a1 | 3115 | |
fe902fa4 ZJS |
3116 | if (!switching_root) |
3117 | (void) serialize_environment(f, m->environment); | |
4a9fd066 | 3118 | |
d86f9d52 LP |
3119 | if (m->notify_fd >= 0) { |
3120 | int copy; | |
3121 | ||
3122 | copy = fdset_put_dup(fds, m->notify_fd); | |
4daf832a LP |
3123 | if (copy < 0) { |
3124 | r = copy; | |
3125 | goto finish; | |
3126 | } | |
d86f9d52 LP |
3127 | |
3128 | fprintf(f, "notify-fd=%i\n", copy); | |
3129 | fprintf(f, "notify-socket=%s\n", m->notify_socket); | |
3130 | } | |
3131 | ||
d8fdc620 LP |
3132 | if (m->cgroups_agent_fd >= 0) { |
3133 | int copy; | |
3134 | ||
3135 | copy = fdset_put_dup(fds, m->cgroups_agent_fd); | |
4daf832a LP |
3136 | if (copy < 0) { |
3137 | r = copy; | |
3138 | goto finish; | |
3139 | } | |
d8fdc620 LP |
3140 | |
3141 | fprintf(f, "cgroups-agent-fd=%i\n", copy); | |
3142 | } | |
3143 | ||
00d9ef85 LP |
3144 | if (m->user_lookup_fds[0] >= 0) { |
3145 | int copy0, copy1; | |
3146 | ||
3147 | copy0 = fdset_put_dup(fds, m->user_lookup_fds[0]); | |
4daf832a LP |
3148 | if (copy0 < 0) { |
3149 | r = copy0; | |
3150 | goto finish; | |
3151 | } | |
00d9ef85 LP |
3152 | |
3153 | copy1 = fdset_put_dup(fds, m->user_lookup_fds[1]); | |
4daf832a LP |
3154 | if (copy1 < 0) { |
3155 | r = copy1; | |
3156 | goto finish; | |
3157 | } | |
00d9ef85 LP |
3158 | |
3159 | fprintf(f, "user-lookup=%i %i\n", copy0, copy1); | |
3160 | } | |
3161 | ||
05a98afd | 3162 | bus_track_serialize(m->subscribed, f, "subscribed"); |
6fa48533 | 3163 | |
29206d46 LP |
3164 | r = dynamic_user_serialize(m, f, fds); |
3165 | if (r < 0) | |
4daf832a | 3166 | goto finish; |
29206d46 | 3167 | |
00d9ef85 LP |
3168 | manager_serialize_uid_refs(m, f); |
3169 | manager_serialize_gid_refs(m, f); | |
3170 | ||
e8a565cb YW |
3171 | r = exec_runtime_serialize(m, f, fds); |
3172 | if (r < 0) | |
4daf832a | 3173 | goto finish; |
e8a565cb | 3174 | |
0d536673 | 3175 | (void) fputc('\n', f); |
f2382a94 | 3176 | |
a16e1123 | 3177 | HASHMAP_FOREACH_KEY(u, t, m->units, i) { |
ac155bb8 | 3178 | if (u->id != t) |
a16e1123 LP |
3179 | continue; |
3180 | ||
a16e1123 | 3181 | /* Start marker */ |
0d536673 LP |
3182 | fputs(u->id, f); |
3183 | fputc('\n', f); | |
a16e1123 | 3184 | |
6fa48533 | 3185 | r = unit_serialize(u, f, fds, !switching_root); |
4daf832a LP |
3186 | if (r < 0) |
3187 | goto finish; | |
a16e1123 LP |
3188 | } |
3189 | ||
01d32c00 LP |
3190 | r = fflush_and_check(f); |
3191 | if (r < 0) | |
4daf832a | 3192 | goto finish; |
a16e1123 | 3193 | |
b23de6af LP |
3194 | r = bus_fdset_add_all(m, fds); |
3195 | if (r < 0) | |
4daf832a | 3196 | goto finish; |
b23de6af | 3197 | |
4daf832a LP |
3198 | r = 0; |
3199 | ||
3200 | finish: | |
3201 | assert(m->n_reloading > 0); | |
3202 | m->n_reloading--; | |
3203 | ||
3204 | return r; | |
a16e1123 LP |
3205 | } |
3206 | ||
3207 | int manager_deserialize(Manager *m, FILE *f, FDSet *fds) { | |
3208 | int r = 0; | |
3209 | ||
3210 | assert(m); | |
3211 | assert(f); | |
3212 | ||
3213 | log_debug("Deserializing state..."); | |
3214 | ||
eb10d0bf LP |
3215 | /* If we are not in reload mode yet, enter it now. Not that this is recursive, a caller might already have |
3216 | * increased it to non-zero, which is why we just increase it by one here and down again at the end of this | |
3217 | * call. */ | |
313cefa1 | 3218 | m->n_reloading++; |
82c64bf5 | 3219 | |
10f8e83c | 3220 | for (;;) { |
d233c99a ZJS |
3221 | char line[LINE_MAX]; |
3222 | const char *val, *l; | |
10f8e83c LP |
3223 | |
3224 | if (!fgets(line, sizeof(line), f)) { | |
3225 | if (feof(f)) | |
3226 | r = 0; | |
3227 | else | |
3228 | r = -errno; | |
3229 | ||
3230 | goto finish; | |
3231 | } | |
3232 | ||
3233 | char_array_0(line); | |
3234 | l = strstrip(line); | |
3235 | ||
3236 | if (l[0] == 0) | |
3237 | break; | |
3238 | ||
fb4650aa | 3239 | if ((val = startswith(l, "current-job-id="))) { |
01d67b43 LP |
3240 | uint32_t id; |
3241 | ||
fb4650aa | 3242 | if (safe_atou32(val, &id) < 0) |
b2a8a3dd | 3243 | log_notice("Failed to parse current job id value '%s', ignoring.", val); |
01d67b43 LP |
3244 | else |
3245 | m->current_job_id = MAX(m->current_job_id, id); | |
718db961 | 3246 | |
fb4650aa | 3247 | } else if ((val = startswith(l, "n-installed-jobs="))) { |
33c5fae9 LP |
3248 | uint32_t n; |
3249 | ||
fb4650aa | 3250 | if (safe_atou32(val, &n) < 0) |
b2a8a3dd | 3251 | log_notice("Failed to parse installed jobs counter '%s', ignoring.", val); |
33c5fae9 LP |
3252 | else |
3253 | m->n_installed_jobs += n; | |
718db961 | 3254 | |
fb4650aa | 3255 | } else if ((val = startswith(l, "n-failed-jobs="))) { |
33c5fae9 LP |
3256 | uint32_t n; |
3257 | ||
fb4650aa | 3258 | if (safe_atou32(val, &n) < 0) |
b2a8a3dd | 3259 | log_notice("Failed to parse failed jobs counter '%s', ignoring.", val); |
33c5fae9 LP |
3260 | else |
3261 | m->n_failed_jobs += n; | |
718db961 | 3262 | |
fb4650aa | 3263 | } else if ((val = startswith(l, "taint-usr="))) { |
01d67b43 LP |
3264 | int b; |
3265 | ||
fb4650aa | 3266 | b = parse_boolean(val); |
e3dd987c | 3267 | if (b < 0) |
b2a8a3dd | 3268 | log_notice("Failed to parse taint /usr flag '%s', ignoring.", val); |
01d67b43 LP |
3269 | else |
3270 | m->taint_usr = m->taint_usr || b; | |
718db961 | 3271 | |
0c2826c6 ZJS |
3272 | } else if ((val = startswith(l, "ready-sent="))) { |
3273 | int b; | |
3274 | ||
3275 | b = parse_boolean(val); | |
3276 | if (b < 0) | |
b2a8a3dd | 3277 | log_notice("Failed to parse ready-sent flag '%s', ignoring.", val); |
0c2826c6 ZJS |
3278 | else |
3279 | m->ready_sent = m->ready_sent || b; | |
3280 | ||
d8eb10d6 ZJS |
3281 | } else if ((val = startswith(l, "taint-logged="))) { |
3282 | int b; | |
3283 | ||
3284 | b = parse_boolean(val); | |
3285 | if (b < 0) | |
b2a8a3dd | 3286 | log_notice("Failed to parse taint-logged flag '%s', ignoring.", val); |
d8eb10d6 ZJS |
3287 | else |
3288 | m->taint_logged = m->taint_logged || b; | |
3289 | ||
2a12e32e JK |
3290 | } else if ((val = startswith(l, "service-watchdogs="))) { |
3291 | int b; | |
3292 | ||
3293 | b = parse_boolean(val); | |
3294 | if (b < 0) | |
b2a8a3dd | 3295 | log_notice("Failed to parse service-watchdogs flag '%s', ignoring.", val); |
2a12e32e JK |
3296 | else |
3297 | m->service_watchdogs = b; | |
3298 | ||
bee38b5c YW |
3299 | } else if ((val = startswith(l, "show-status="))) { |
3300 | ShowStatus s; | |
3301 | ||
3302 | s = show_status_from_string(val); | |
3303 | if (s < 0) | |
b2a8a3dd | 3304 | log_notice("Failed to parse show-status flag '%s', ignoring.", val); |
bee38b5c YW |
3305 | else |
3306 | manager_set_show_status(m, s); | |
3307 | ||
a6ecbf83 FB |
3308 | } else if ((val = startswith(l, "log-level-override="))) { |
3309 | int level; | |
3310 | ||
3311 | level = log_level_from_string(val); | |
3312 | if (level < 0) | |
3313 | log_notice("Failed to parse log-level-override value '%s', ignoring.", val); | |
3314 | else | |
3315 | manager_override_log_level(m, level); | |
3316 | ||
bda7d78b FB |
3317 | } else if ((val = startswith(l, "log-target-override="))) { |
3318 | LogTarget target; | |
3319 | ||
3320 | target = log_target_from_string(val); | |
3321 | if (target < 0) | |
3322 | log_notice("Failed to parse log-target-override value '%s', ignoring.", val); | |
3323 | else | |
3324 | manager_override_log_target(m, target); | |
3325 | ||
9f9f0342 | 3326 | } else if (startswith(l, "env=")) { |
fe902fa4 | 3327 | r = deserialize_environment(&m->environment, l); |
d233c99a ZJS |
3328 | if (r == -ENOMEM) |
3329 | goto finish; | |
527b7a42 | 3330 | if (r < 0) |
b2a8a3dd | 3331 | log_notice_errno(r, "Failed to parse environment entry: \"%s\", ignoring: %m", l); |
e3dd987c | 3332 | |
fb4650aa | 3333 | } else if ((val = startswith(l, "notify-fd="))) { |
d86f9d52 LP |
3334 | int fd; |
3335 | ||
fb4650aa | 3336 | if (safe_atoi(val, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) |
b2a8a3dd | 3337 | log_notice("Failed to parse notify fd, ignoring: \"%s\"", val); |
d86f9d52 | 3338 | else { |
03e334a1 LP |
3339 | m->notify_event_source = sd_event_source_unref(m->notify_event_source); |
3340 | safe_close(m->notify_fd); | |
d86f9d52 LP |
3341 | m->notify_fd = fdset_remove(fds, fd); |
3342 | } | |
3343 | ||
fb4650aa | 3344 | } else if ((val = startswith(l, "notify-socket="))) { |
d86f9d52 LP |
3345 | char *n; |
3346 | ||
fb4650aa | 3347 | n = strdup(val); |
d86f9d52 LP |
3348 | if (!n) { |
3349 | r = -ENOMEM; | |
3350 | goto finish; | |
3351 | } | |
3352 | ||
3353 | free(m->notify_socket); | |
3354 | m->notify_socket = n; | |
3355 | ||
fb4650aa | 3356 | } else if ((val = startswith(l, "cgroups-agent-fd="))) { |
d8fdc620 LP |
3357 | int fd; |
3358 | ||
fb4650aa | 3359 | if (safe_atoi(val, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) |
b2a8a3dd | 3360 | log_notice("Failed to parse cgroups agent fd, ignoring.: %s", val); |
d8fdc620 LP |
3361 | else { |
3362 | m->cgroups_agent_event_source = sd_event_source_unref(m->cgroups_agent_event_source); | |
3363 | safe_close(m->cgroups_agent_fd); | |
3364 | m->cgroups_agent_fd = fdset_remove(fds, fd); | |
3365 | } | |
3366 | ||
fb4650aa | 3367 | } else if ((val = startswith(l, "user-lookup="))) { |
00d9ef85 LP |
3368 | int fd0, fd1; |
3369 | ||
fb4650aa | 3370 | if (sscanf(val, "%i %i", &fd0, &fd1) != 2 || fd0 < 0 || fd1 < 0 || fd0 == fd1 || !fdset_contains(fds, fd0) || !fdset_contains(fds, fd1)) |
b2a8a3dd | 3371 | log_notice("Failed to parse user lookup fd, ignoring: %s", val); |
00d9ef85 LP |
3372 | else { |
3373 | m->user_lookup_event_source = sd_event_source_unref(m->user_lookup_event_source); | |
3374 | safe_close_pair(m->user_lookup_fds); | |
3375 | m->user_lookup_fds[0] = fdset_remove(fds, fd0); | |
3376 | m->user_lookup_fds[1] = fdset_remove(fds, fd1); | |
3377 | } | |
3378 | ||
fb4650aa ZJS |
3379 | } else if ((val = startswith(l, "dynamic-user="))) |
3380 | dynamic_user_deserialize_one(m, val, fds); | |
3381 | else if ((val = startswith(l, "destroy-ipc-uid="))) | |
3382 | manager_deserialize_uid_refs_one(m, val); | |
3383 | else if ((val = startswith(l, "destroy-ipc-gid="))) | |
3384 | manager_deserialize_gid_refs_one(m, val); | |
e8a565cb YW |
3385 | else if ((val = startswith(l, "exec-runtime="))) |
3386 | exec_runtime_deserialize_one(m, val, fds); | |
fb4650aa | 3387 | else if ((val = startswith(l, "subscribed="))) { |
05a98afd | 3388 | |
18869883 LP |
3389 | if (strv_extend(&m->deserialized_subscribed, val) < 0) { |
3390 | r = -ENOMEM; | |
3391 | goto finish; | |
3392 | } | |
3393 | ||
9f9f0342 LP |
3394 | } else { |
3395 | ManagerTimestamp q; | |
3396 | ||
3397 | for (q = 0; q < _MANAGER_TIMESTAMP_MAX; q++) { | |
3398 | val = startswith(l, manager_timestamp_to_string(q)); | |
3399 | if (!val) | |
3400 | continue; | |
05a98afd | 3401 | |
9f9f0342 LP |
3402 | val = startswith(val, "-timestamp="); |
3403 | if (val) | |
3404 | break; | |
3405 | } | |
05a98afd | 3406 | |
9f9f0342 LP |
3407 | if (q < _MANAGER_TIMESTAMP_MAX) /* found it */ |
3408 | dual_timestamp_deserialize(val, m->timestamps + q); | |
3409 | else if (!startswith(l, "kdbus-fd=")) /* ignore kdbus */ | |
b2a8a3dd | 3410 | log_notice("Unknown serialization item '%s', ignoring.", l); |
9f9f0342 | 3411 | } |
10f8e83c LP |
3412 | } |
3413 | ||
a16e1123 LP |
3414 | for (;;) { |
3415 | Unit *u; | |
3416 | char name[UNIT_NAME_MAX+2]; | |
07429866 | 3417 | const char* unit_name; |
a16e1123 LP |
3418 | |
3419 | /* Start marker */ | |
3420 | if (!fgets(name, sizeof(name), f)) { | |
3421 | if (feof(f)) | |
10f8e83c LP |
3422 | r = 0; |
3423 | else | |
3424 | r = -errno; | |
a16e1123 | 3425 | |
82c64bf5 | 3426 | goto finish; |
a16e1123 LP |
3427 | } |
3428 | ||
3429 | char_array_0(name); | |
07429866 | 3430 | unit_name = strstrip(name); |
a16e1123 | 3431 | |
07429866 ZJS |
3432 | r = manager_load_unit(m, unit_name, NULL, NULL, &u); |
3433 | if (r < 0) { | |
07429866 ZJS |
3434 | if (r == -ENOMEM) |
3435 | goto finish; | |
18869883 LP |
3436 | |
3437 | log_notice_errno(r, "Failed to load unit \"%s\", skipping deserialization: %m", unit_name); | |
07429866 ZJS |
3438 | unit_deserialize_skip(f); |
3439 | continue; | |
3440 | } | |
a16e1123 | 3441 | |
01e10de3 | 3442 | r = unit_deserialize(u, f, fds); |
07429866 | 3443 | if (r < 0) { |
07429866 ZJS |
3444 | if (r == -ENOMEM) |
3445 | goto finish; | |
18869883 LP |
3446 | |
3447 | log_notice_errno(r, "Failed to deserialize unit \"%s\": %m", unit_name); | |
07429866 | 3448 | } |
a16e1123 LP |
3449 | } |
3450 | ||
10f8e83c | 3451 | finish: |
145b1f79 | 3452 | if (ferror(f)) |
82c64bf5 | 3453 | r = -EIO; |
a16e1123 | 3454 | |
eb10d0bf | 3455 | /* We are done with reloading, decrease counter again */ |
a7556052 | 3456 | assert(m->n_reloading > 0); |
313cefa1 | 3457 | m->n_reloading--; |
82c64bf5 LP |
3458 | |
3459 | return r; | |
a16e1123 LP |
3460 | } |
3461 | ||
a7a7163d DT |
3462 | static void manager_flush_finished_jobs(Manager *m) { |
3463 | Job *j; | |
3464 | ||
3465 | while ((j = set_steal_first(m->pending_finished_jobs))) { | |
3466 | bus_job_send_removed_signal(j); | |
3467 | job_free(j); | |
3468 | } | |
3469 | ||
3470 | m->pending_finished_jobs = set_free(m->pending_finished_jobs); | |
3471 | } | |
3472 | ||
a16e1123 | 3473 | int manager_reload(Manager *m) { |
51d122af | 3474 | _cleanup_fdset_free_ FDSet *fds = NULL; |
6a33af40 LP |
3475 | _cleanup_fclose_ FILE *f = NULL; |
3476 | int r; | |
a16e1123 LP |
3477 | |
3478 | assert(m); | |
3479 | ||
07719a21 LP |
3480 | r = manager_open_serialization(m, &f); |
3481 | if (r < 0) | |
6a33af40 | 3482 | return log_error_errno(r, "Failed to create serialization file: %m"); |
38c52d46 | 3483 | |
07719a21 | 3484 | fds = fdset_new(); |
6a33af40 LP |
3485 | if (!fds) |
3486 | return log_oom(); | |
3487 | ||
3488 | /* We are officially in reload mode from here on */ | |
3489 | m->n_reloading++; | |
a16e1123 | 3490 | |
b3680f49 | 3491 | r = manager_serialize(m, f, fds, false); |
07719a21 | 3492 | if (r < 0) { |
6a33af40 LP |
3493 | log_error_errno(r, "Failed to serialize manager: %m"); |
3494 | goto fail; | |
38c52d46 | 3495 | } |
a16e1123 LP |
3496 | |
3497 | if (fseeko(f, 0, SEEK_SET) < 0) { | |
6a33af40 LP |
3498 | r = log_error_errno(errno, "Failed to seek to beginning of serialization: %m"); |
3499 | goto fail; | |
a16e1123 LP |
3500 | } |
3501 | ||
6a33af40 LP |
3502 | /* 💀 This is the point of no return, from here on there is no way back. 💀 */ |
3503 | ||
3504 | bus_manager_send_reloading(m, true); | |
3505 | ||
3506 | /* Start by flushing out all jobs and units, all generated units, all runtime environments, all dynamic users | |
3507 | * and everything else that is worth flushing out. We'll get it all back from the serialization — if we need | |
3508 | * it.*/ | |
3509 | ||
a16e1123 | 3510 | manager_clear_jobs_and_units(m); |
07a78643 | 3511 | lookup_paths_flush_generator(&m->lookup_paths); |
84e3543e | 3512 | lookup_paths_free(&m->lookup_paths); |
e8a565cb | 3513 | exec_runtime_vacuum(m); |
29206d46 | 3514 | dynamic_user_vacuum(m, false); |
00d9ef85 LP |
3515 | m->uid_refs = hashmap_free(m->uid_refs); |
3516 | m->gid_refs = hashmap_free(m->gid_refs); | |
2ded0c04 | 3517 | |
7c3733d5 | 3518 | r = lookup_paths_init(&m->lookup_paths, m->unit_file_scope, 0, NULL); |
6a33af40 LP |
3519 | if (r < 0) |
3520 | log_warning_errno(r, "Failed to initialize path lookup table, ignoring: %m"); | |
5a1e9937 | 3521 | |
6a33af40 LP |
3522 | (void) manager_run_environment_generators(m); |
3523 | (void) manager_run_generators(m); | |
64691d20 | 3524 | |
6a33af40 LP |
3525 | r = lookup_paths_reduce(&m->lookup_paths); |
3526 | if (r < 0) | |
3527 | log_warning_errno(r, "Failed ot reduce unit file paths, ignoring: %m"); | |
07719a21 | 3528 | |
5a1e9937 LP |
3529 | manager_build_unit_path_cache(m); |
3530 | ||
6a33af40 | 3531 | /* First, enumerate what we can from kernel and suchlike */ |
3ad2afb6 | 3532 | manager_enumerate_perpetual(m); |
ba64af90 | 3533 | manager_enumerate(m); |
a16e1123 LP |
3534 | |
3535 | /* Second, deserialize our stored data */ | |
6a33af40 LP |
3536 | r = manager_deserialize(m, f, fds); |
3537 | if (r < 0) | |
3538 | log_warning_errno(r, "Deserialization failed, proceeding anyway: %m"); | |
a16e1123 | 3539 | |
6a33af40 | 3540 | /* We don't need the serialization anymore */ |
62b0cbb3 | 3541 | f = safe_fclose(f); |
a16e1123 | 3542 | |
6a33af40 LP |
3543 | /* Re-register notify_fd as event source, and set up other sockets/communication channels we might need */ |
3544 | (void) manager_setup_notify(m); | |
3545 | (void) manager_setup_cgroups_agent(m); | |
3546 | (void) manager_setup_user_lookup_fd(m); | |
00d9ef85 | 3547 | |
a16e1123 | 3548 | /* Third, fire things up! */ |
007c6337 | 3549 | manager_coldplug(m); |
a16e1123 | 3550 | |
5197be06 LP |
3551 | /* Clean up runtime objects no longer referenced */ |
3552 | manager_vacuum(m); | |
e8a565cb | 3553 | |
6a33af40 | 3554 | /* Consider the reload process complete now. */ |
31dc1ca3 LP |
3555 | assert(m->n_reloading > 0); |
3556 | m->n_reloading--; | |
1fb70e66 | 3557 | m->objective = MANAGER_OK; |
31dc1ca3 | 3558 | |
8559b3b7 | 3559 | /* It might be safe to log to the journal now and connect to dbus */ |
d075092f | 3560 | manager_recheck_journal(m); |
8559b3b7 | 3561 | manager_recheck_dbus(m); |
d075092f | 3562 | |
f0831ed2 LP |
3563 | /* Let's finally catch up with any changes that took place while we were reloading/reexecing */ |
3564 | manager_catchup(m); | |
3565 | ||
8936a5e3 | 3566 | /* Sync current state of bus names with our set of listening units */ |
6a33af40 | 3567 | (void) manager_enqueue_sync_bus_names(m); |
8936a5e3 | 3568 | |
a7a7163d DT |
3569 | if (!MANAGER_IS_RELOADING(m)) |
3570 | manager_flush_finished_jobs(m); | |
3571 | ||
71445ae7 | 3572 | m->send_reloading_done = true; |
6a33af40 LP |
3573 | return 0; |
3574 | ||
3575 | fail: | |
3576 | /* Fail the call. Note that we hit this only if we fail before the point of no return, i.e. when the error is | |
3577 | * still something that can be handled. */ | |
3578 | assert(m->n_reloading > 0); | |
3579 | m->n_reloading--; | |
71445ae7 | 3580 | |
a16e1123 LP |
3581 | return r; |
3582 | } | |
3583 | ||
fdf20a31 | 3584 | void manager_reset_failed(Manager *m) { |
5632e374 LP |
3585 | Unit *u; |
3586 | Iterator i; | |
3587 | ||
3588 | assert(m); | |
3589 | ||
3590 | HASHMAP_FOREACH(u, m->units, i) | |
fdf20a31 | 3591 | unit_reset_failed(u); |
5632e374 LP |
3592 | } |
3593 | ||
31afa0a4 | 3594 | bool manager_unit_inactive_or_pending(Manager *m, const char *name) { |
8f6df3fa LP |
3595 | Unit *u; |
3596 | ||
3597 | assert(m); | |
3598 | assert(name); | |
3599 | ||
3600 | /* Returns true if the unit is inactive or going down */ | |
bd0af849 ZJS |
3601 | u = manager_get_unit(m, name); |
3602 | if (!u) | |
8f6df3fa LP |
3603 | return true; |
3604 | ||
31afa0a4 | 3605 | return unit_inactive_or_pending(u); |
8f6df3fa LP |
3606 | } |
3607 | ||
d8eb10d6 ZJS |
3608 | static void log_taint_string(Manager *m) { |
3609 | _cleanup_free_ char *taint = NULL; | |
3610 | ||
3611 | assert(m); | |
3612 | ||
3613 | if (MANAGER_IS_USER(m) || m->taint_logged) | |
3614 | return; | |
3615 | ||
3616 | m->taint_logged = true; /* only check for taint once */ | |
3617 | ||
3618 | taint = manager_taint_string(m); | |
3619 | if (isempty(taint)) | |
3620 | return; | |
3621 | ||
3622 | log_struct(LOG_NOTICE, | |
3623 | LOG_MESSAGE("System is tainted: %s", taint), | |
3624 | "TAINT=%s", taint, | |
a1230ff9 | 3625 | "MESSAGE_ID=" SD_MESSAGE_TAINTED_STR); |
d8eb10d6 ZJS |
3626 | } |
3627 | ||
56dacdbc | 3628 | static void manager_notify_finished(Manager *m) { |
7ceba241 | 3629 | char userspace[FORMAT_TIMESPAN_MAX], initrd[FORMAT_TIMESPAN_MAX], kernel[FORMAT_TIMESPAN_MAX], sum[FORMAT_TIMESPAN_MAX]; |
915b3753 | 3630 | usec_t firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec; |
b0c918b9 | 3631 | |
638cece4 | 3632 | if (MANAGER_IS_TEST_RUN(m)) |
b0c918b9 LP |
3633 | return; |
3634 | ||
463d0d15 | 3635 | if (MANAGER_IS_SYSTEM(m) && detect_container() <= 0) { |
dd1db3c2 | 3636 | char ts[FORMAT_TIMESPAN_MAX]; |
dc3c9f5e ZJS |
3637 | char buf[FORMAT_TIMESPAN_MAX + STRLEN(" (firmware) + ") + FORMAT_TIMESPAN_MAX + STRLEN(" (loader) + ")] |
3638 | = {}; | |
3639 | char *p = buf; | |
3640 | size_t size = sizeof buf; | |
e03ae661 | 3641 | |
9f9f0342 LP |
3642 | /* Note that MANAGER_TIMESTAMP_KERNEL's monotonic value is always at 0, and |
3643 | * MANAGER_TIMESTAMP_FIRMWARE's and MANAGER_TIMESTAMP_LOADER's monotonic value should be considered | |
915b3753 LP |
3644 | * negative values. */ |
3645 | ||
9f9f0342 LP |
3646 | firmware_usec = m->timestamps[MANAGER_TIMESTAMP_FIRMWARE].monotonic - m->timestamps[MANAGER_TIMESTAMP_LOADER].monotonic; |
3647 | loader_usec = m->timestamps[MANAGER_TIMESTAMP_LOADER].monotonic - m->timestamps[MANAGER_TIMESTAMP_KERNEL].monotonic; | |
3648 | userspace_usec = m->timestamps[MANAGER_TIMESTAMP_FINISH].monotonic - m->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic; | |
3649 | total_usec = m->timestamps[MANAGER_TIMESTAMP_FIRMWARE].monotonic + m->timestamps[MANAGER_TIMESTAMP_FINISH].monotonic; | |
18fa6b27 | 3650 | |
dd1db3c2 YW |
3651 | if (firmware_usec > 0) |
3652 | size = strpcpyf(&p, size, "%s (firmware) + ", format_timespan(ts, sizeof(ts), firmware_usec, USEC_PER_MSEC)); | |
3653 | if (loader_usec > 0) | |
3654 | size = strpcpyf(&p, size, "%s (loader) + ", format_timespan(ts, sizeof(ts), loader_usec, USEC_PER_MSEC)); | |
3655 | ||
9f9f0342 | 3656 | if (dual_timestamp_is_set(&m->timestamps[MANAGER_TIMESTAMP_INITRD])) { |
18fa6b27 | 3657 | |
9f9f0342 LP |
3658 | /* The initrd case on bare-metal*/ |
3659 | kernel_usec = m->timestamps[MANAGER_TIMESTAMP_INITRD].monotonic - m->timestamps[MANAGER_TIMESTAMP_KERNEL].monotonic; | |
3660 | initrd_usec = m->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic - m->timestamps[MANAGER_TIMESTAMP_INITRD].monotonic; | |
18fa6b27 | 3661 | |
e12919e8 | 3662 | log_struct(LOG_INFO, |
2b044526 | 3663 | "MESSAGE_ID=" SD_MESSAGE_STARTUP_FINISHED_STR, |
e12919e8 LP |
3664 | "KERNEL_USEC="USEC_FMT, kernel_usec, |
3665 | "INITRD_USEC="USEC_FMT, initrd_usec, | |
3666 | "USERSPACE_USEC="USEC_FMT, userspace_usec, | |
dd1db3c2 YW |
3667 | LOG_MESSAGE("Startup finished in %s%s (kernel) + %s (initrd) + %s (userspace) = %s.", |
3668 | buf, | |
e2cc6eca LP |
3669 | format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC), |
3670 | format_timespan(initrd, sizeof(initrd), initrd_usec, USEC_PER_MSEC), | |
3671 | format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC), | |
a1230ff9 | 3672 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC))); |
18fa6b27 | 3673 | } else { |
9f9f0342 LP |
3674 | /* The initrd-less case on bare-metal*/ |
3675 | ||
3676 | kernel_usec = m->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic - m->timestamps[MANAGER_TIMESTAMP_KERNEL].monotonic; | |
18fa6b27 LP |
3677 | initrd_usec = 0; |
3678 | ||
81270860 | 3679 | log_struct(LOG_INFO, |
2b044526 | 3680 | "MESSAGE_ID=" SD_MESSAGE_STARTUP_FINISHED_STR, |
e12919e8 | 3681 | "KERNEL_USEC="USEC_FMT, kernel_usec, |
ccd06097 | 3682 | "USERSPACE_USEC="USEC_FMT, userspace_usec, |
dd1db3c2 YW |
3683 | LOG_MESSAGE("Startup finished in %s%s (kernel) + %s (userspace) = %s.", |
3684 | buf, | |
e2cc6eca LP |
3685 | format_timespan(kernel, sizeof(kernel), kernel_usec, USEC_PER_MSEC), |
3686 | format_timespan(userspace, sizeof(userspace), userspace_usec, USEC_PER_MSEC), | |
a1230ff9 | 3687 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC))); |
e12919e8 LP |
3688 | } |
3689 | } else { | |
4adf314b | 3690 | /* The container and --user case */ |
e12919e8 | 3691 | firmware_usec = loader_usec = initrd_usec = kernel_usec = 0; |
9f9f0342 | 3692 | total_usec = userspace_usec = m->timestamps[MANAGER_TIMESTAMP_FINISH].monotonic - m->timestamps[MANAGER_TIMESTAMP_USERSPACE].monotonic; |
e12919e8 LP |
3693 | |
3694 | log_struct(LOG_INFO, | |
2b044526 | 3695 | "MESSAGE_ID=" SD_MESSAGE_USER_STARTUP_FINISHED_STR, |
e12919e8 | 3696 | "USERSPACE_USEC="USEC_FMT, userspace_usec, |
e2cc6eca | 3697 | LOG_MESSAGE("Startup finished in %s.", |
a1230ff9 | 3698 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC))); |
18fa6b27 | 3699 | } |
b0c918b9 | 3700 | |
718db961 | 3701 | bus_manager_send_finished(m, firmware_usec, loader_usec, kernel_usec, initrd_usec, userspace_usec, total_usec); |
530345e7 LP |
3702 | |
3703 | sd_notifyf(false, | |
0c2826c6 ZJS |
3704 | m->ready_sent ? "STATUS=Startup finished in %s." |
3705 | : "READY=1\n" | |
3706 | "STATUS=Startup finished in %s.", | |
2fa4092c | 3707 | format_timespan(sum, sizeof(sum), total_usec, USEC_PER_MSEC)); |
0c2826c6 | 3708 | m->ready_sent = true; |
d8eb10d6 ZJS |
3709 | |
3710 | log_taint_string(m); | |
b0c918b9 LP |
3711 | } |
3712 | ||
4adf314b LP |
3713 | static void manager_send_ready(Manager *m) { |
3714 | assert(m); | |
3715 | ||
3716 | /* We send READY=1 on reaching basic.target only when running in --user mode. */ | |
3717 | if (!MANAGER_IS_USER(m) || m->ready_sent) | |
3718 | return; | |
3719 | ||
3720 | m->ready_sent = true; | |
3721 | ||
3722 | sd_notifyf(false, | |
3723 | "READY=1\n" | |
3724 | "STATUS=Reached " SPECIAL_BASIC_TARGET "."); | |
3725 | } | |
3726 | ||
3727 | static void manager_check_basic_target(Manager *m) { | |
3728 | Unit *u; | |
3729 | ||
3730 | assert(m); | |
3731 | ||
3732 | /* Small shortcut */ | |
3733 | if (m->ready_sent && m->taint_logged) | |
3734 | return; | |
3735 | ||
3736 | u = manager_get_unit(m, SPECIAL_BASIC_TARGET); | |
3737 | if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) | |
3738 | return; | |
3739 | ||
3740 | /* For user managers, send out READY=1 as soon as we reach basic.target */ | |
3741 | manager_send_ready(m); | |
3742 | ||
3743 | /* Log the taint string as soon as we reach basic.target */ | |
3744 | log_taint_string(m); | |
3745 | } | |
3746 | ||
56dacdbc | 3747 | void manager_check_finished(Manager *m) { |
56dacdbc ZJS |
3748 | assert(m); |
3749 | ||
2c289ea8 | 3750 | if (MANAGER_IS_RELOADING(m)) |
aad1976f LP |
3751 | return; |
3752 | ||
4259d202 LP |
3753 | /* Verify that we have entered the event loop already, and not left it again. */ |
3754 | if (!MANAGER_IS_RUNNING(m)) | |
9771b62d LP |
3755 | return; |
3756 | ||
4adf314b | 3757 | manager_check_basic_target(m); |
0c2826c6 | 3758 | |
56dacdbc | 3759 | if (hashmap_size(m->jobs) > 0) { |
56dacdbc | 3760 | if (m->jobs_in_progress_event_source) |
2ae56591 | 3761 | /* Ignore any failure, this is only for feedback */ |
e7ab4d1a | 3762 | (void) sd_event_source_set_time(m->jobs_in_progress_event_source, now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC); |
56dacdbc ZJS |
3763 | |
3764 | return; | |
3765 | } | |
3766 | ||
3767 | manager_flip_auto_status(m, false); | |
3768 | ||
3769 | /* Notify Type=idle units that we are done now */ | |
56dacdbc ZJS |
3770 | manager_close_idle_pipe(m); |
3771 | ||
3772 | /* Turn off confirm spawn now */ | |
7d5ceb64 | 3773 | m->confirm_spawn = NULL; |
56dacdbc ZJS |
3774 | |
3775 | /* No need to update ask password status when we're going non-interactive */ | |
3776 | manager_close_ask_password(m); | |
3777 | ||
3778 | /* This is no longer the first boot */ | |
3779 | manager_set_first_boot(m, false); | |
3780 | ||
49d5666c | 3781 | if (MANAGER_IS_FINISHED(m)) |
56dacdbc ZJS |
3782 | return; |
3783 | ||
9f9f0342 | 3784 | dual_timestamp_get(m->timestamps + MANAGER_TIMESTAMP_FINISH); |
56dacdbc ZJS |
3785 | |
3786 | manager_notify_finished(m); | |
3787 | ||
e7ab4d1a | 3788 | manager_invalidate_startup_units(m); |
56dacdbc ZJS |
3789 | } |
3790 | ||
64691d20 ZJS |
3791 | static bool generator_path_any(const char* const* paths) { |
3792 | char **path; | |
3793 | bool found = false; | |
3794 | ||
3795 | /* Optimize by skipping the whole process by not creating output directories | |
3796 | * if no generators are found. */ | |
3797 | STRV_FOREACH(path, (char**) paths) | |
3798 | if (access(*path, F_OK) == 0) | |
3799 | found = true; | |
3800 | else if (errno != ENOENT) | |
3801 | log_warning_errno(errno, "Failed to open generator directory %s: %m", *path); | |
3802 | ||
3803 | return found; | |
3804 | } | |
3805 | ||
3806 | static const char* system_env_generator_binary_paths[] = { | |
3807 | "/run/systemd/system-environment-generators", | |
3808 | "/etc/systemd/system-environment-generators", | |
3809 | "/usr/local/lib/systemd/system-environment-generators", | |
3810 | SYSTEM_ENV_GENERATOR_PATH, | |
3811 | NULL | |
3812 | }; | |
3813 | ||
3814 | static const char* user_env_generator_binary_paths[] = { | |
3815 | "/run/systemd/user-environment-generators", | |
3816 | "/etc/systemd/user-environment-generators", | |
3817 | "/usr/local/lib/systemd/user-environment-generators", | |
3818 | USER_ENV_GENERATOR_PATH, | |
3819 | NULL | |
3820 | }; | |
3821 | ||
3822 | static int manager_run_environment_generators(Manager *m) { | |
3823 | char **tmp = NULL; /* this is only used in the forked process, no cleanup here */ | |
3824 | const char **paths; | |
3825 | void* args[] = {&tmp, &tmp, &m->environment}; | |
3826 | ||
638cece4 | 3827 | if (MANAGER_IS_TEST_RUN(m) && !(m->test_run_flags & MANAGER_TEST_RUN_ENV_GENERATORS)) |
e0a3da1f ZJS |
3828 | return 0; |
3829 | ||
64691d20 ZJS |
3830 | paths = MANAGER_IS_SYSTEM(m) ? system_env_generator_binary_paths : user_env_generator_binary_paths; |
3831 | ||
3832 | if (!generator_path_any(paths)) | |
3833 | return 0; | |
3834 | ||
ea368f0b | 3835 | return execute_directories(paths, DEFAULT_TIMEOUT_USEC, gather_environment, args, NULL, m->environment); |
64691d20 ZJS |
3836 | } |
3837 | ||
e801700e | 3838 | static int manager_run_generators(Manager *m) { |
f42348ac | 3839 | _cleanup_strv_free_ char **paths = NULL; |
07719a21 | 3840 | const char *argv[5]; |
07719a21 | 3841 | int r; |
5a1e9937 LP |
3842 | |
3843 | assert(m); | |
3844 | ||
638cece4 | 3845 | if (MANAGER_IS_TEST_RUN(m) && !(m->test_run_flags & MANAGER_TEST_RUN_GENERATORS)) |
e0a3da1f ZJS |
3846 | return 0; |
3847 | ||
9183df70 | 3848 | paths = generator_binary_paths(m->unit_file_scope); |
e801700e ZJS |
3849 | if (!paths) |
3850 | return log_oom(); | |
5a1e9937 | 3851 | |
64691d20 ZJS |
3852 | if (!generator_path_any((const char* const*) paths)) |
3853 | return 0; | |
5a1e9937 | 3854 | |
cd64fd56 | 3855 | r = lookup_paths_mkdir_generator(&m->lookup_paths); |
7eb4f326 LP |
3856 | if (r < 0) { |
3857 | log_error_errno(r, "Failed to create generator directories: %m"); | |
07719a21 | 3858 | goto finish; |
7eb4f326 | 3859 | } |
5a1e9937 | 3860 | |
83cc030f | 3861 | argv[0] = NULL; /* Leave this empty, execute_directory() will fill something in */ |
a3c4eb07 LP |
3862 | argv[1] = m->lookup_paths.generator; |
3863 | argv[2] = m->lookup_paths.generator_early; | |
3864 | argv[3] = m->lookup_paths.generator_late; | |
07719a21 | 3865 | argv[4] = NULL; |
5a1e9937 | 3866 | |
718db961 | 3867 | RUN_WITH_UMASK(0022) |
7eb4f326 LP |
3868 | (void) execute_directories((const char* const*) paths, DEFAULT_TIMEOUT_USEC, |
3869 | NULL, NULL, (char**) argv, m->environment); | |
3870 | ||
3871 | r = 0; | |
5a1e9937 | 3872 | |
718db961 | 3873 | finish: |
cd64fd56 | 3874 | lookup_paths_trim_generator(&m->lookup_paths); |
e801700e | 3875 | return r; |
5a1e9937 LP |
3876 | } |
3877 | ||
718db961 LP |
3878 | int manager_environment_add(Manager *m, char **minus, char **plus) { |
3879 | char **a = NULL, **b = NULL, **l; | |
97d0e5f8 | 3880 | assert(m); |
bcd8e6d1 | 3881 | |
718db961 | 3882 | l = m->environment; |
bcd8e6d1 | 3883 | |
718db961 LP |
3884 | if (!strv_isempty(minus)) { |
3885 | a = strv_env_delete(l, 1, minus); | |
3886 | if (!a) | |
3887 | return -ENOMEM; | |
3888 | ||
3889 | l = a; | |
3890 | } | |
3891 | ||
3892 | if (!strv_isempty(plus)) { | |
3893 | b = strv_env_merge(2, l, plus); | |
aa9f8a30 AH |
3894 | if (!b) { |
3895 | strv_free(a); | |
718db961 | 3896 | return -ENOMEM; |
aa9f8a30 | 3897 | } |
bcd8e6d1 | 3898 | |
718db961 LP |
3899 | l = b; |
3900 | } | |
3901 | ||
3902 | if (m->environment != l) | |
3903 | strv_free(m->environment); | |
3904 | if (a != l) | |
3905 | strv_free(a); | |
3906 | if (b != l) | |
3907 | strv_free(b); | |
3908 | ||
f069efb4 | 3909 | m->environment = l; |
47cf8ff2 | 3910 | manager_sanitize_environment(m); |
f069efb4 | 3911 | |
97d0e5f8 UTL |
3912 | return 0; |
3913 | } | |
3914 | ||
c93ff2e9 FC |
3915 | int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) { |
3916 | int i; | |
3917 | ||
3918 | assert(m); | |
3919 | ||
517d56b1 | 3920 | for (i = 0; i < _RLIMIT_MAX; i++) { |
d9814c76 EV |
3921 | m->rlimit[i] = mfree(m->rlimit[i]); |
3922 | ||
07719a21 LP |
3923 | if (!default_rlimit[i]) |
3924 | continue; | |
c93ff2e9 | 3925 | |
07719a21 LP |
3926 | m->rlimit[i] = newdup(struct rlimit, default_rlimit[i], 1); |
3927 | if (!m->rlimit[i]) | |
3ce40911 | 3928 | return log_oom(); |
c93ff2e9 FC |
3929 | } |
3930 | ||
3931 | return 0; | |
3932 | } | |
3933 | ||
8559b3b7 LP |
3934 | void manager_recheck_dbus(Manager *m) { |
3935 | assert(m); | |
3936 | ||
3937 | /* Connects to the bus if the dbus service and socket are running. If we are running in user mode this is all | |
3938 | * it does. In system mode we'll also connect to the system bus (which will most likely just reuse the | |
3939 | * connection of the API bus). That's because the system bus after all runs as service of the system instance, | |
3940 | * while in the user instance we can assume it's already there. */ | |
3941 | ||
31dc1ca3 LP |
3942 | if (MANAGER_IS_RELOADING(m)) |
3943 | return; /* don't check while we are reloading… */ | |
3944 | ||
8559b3b7 LP |
3945 | if (manager_dbus_is_running(m, false)) { |
3946 | (void) bus_init_api(m); | |
3947 | ||
3948 | if (MANAGER_IS_SYSTEM(m)) | |
3949 | (void) bus_init_system(m); | |
3950 | } else { | |
3951 | (void) bus_done_api(m); | |
3952 | ||
3953 | if (MANAGER_IS_SYSTEM(m)) | |
3954 | (void) bus_done_system(m); | |
3955 | } | |
3956 | } | |
3957 | ||
d075092f | 3958 | static bool manager_journal_is_running(Manager *m) { |
f1dd0c3f LP |
3959 | Unit *u; |
3960 | ||
3961 | assert(m); | |
3962 | ||
638cece4 | 3963 | if (MANAGER_IS_TEST_RUN(m)) |
7d814a19 LP |
3964 | return false; |
3965 | ||
d075092f | 3966 | /* If we are the user manager we can safely assume that the journal is up */ |
463d0d15 | 3967 | if (!MANAGER_IS_SYSTEM(m)) |
d075092f | 3968 | return true; |
f1dd0c3f | 3969 | |
d075092f | 3970 | /* Check that the socket is not only up, but in RUNNING state */ |
731a676c | 3971 | u = manager_get_unit(m, SPECIAL_JOURNALD_SOCKET); |
d075092f LP |
3972 | if (!u) |
3973 | return false; | |
3974 | if (SOCKET(u)->state != SOCKET_RUNNING) | |
3975 | return false; | |
f1dd0c3f | 3976 | |
d075092f | 3977 | /* Similar, check if the daemon itself is fully up, too */ |
731a676c | 3978 | u = manager_get_unit(m, SPECIAL_JOURNALD_SERVICE); |
d075092f LP |
3979 | if (!u) |
3980 | return false; | |
217677ab | 3981 | if (!IN_SET(SERVICE(u)->state, SERVICE_RELOAD, SERVICE_RUNNING)) |
d075092f LP |
3982 | return false; |
3983 | ||
3984 | return true; | |
3985 | } | |
3986 | ||
3987 | void manager_recheck_journal(Manager *m) { | |
3988 | ||
3989 | assert(m); | |
3990 | ||
3991 | /* Don't bother with this unless we are in the special situation of being PID 1 */ | |
3992 | if (getpid_cached() != 1) | |
731a676c | 3993 | return; |
f1dd0c3f | 3994 | |
31dc1ca3 LP |
3995 | /* Don't check this while we are reloading, things might still change */ |
3996 | if (MANAGER_IS_RELOADING(m)) | |
3997 | return; | |
3998 | ||
cedf5088 LP |
3999 | /* The journal is fully and entirely up? If so, let's permit logging to it, if that's configured. If the |
4000 | * journal is down, don't ever log to it, otherwise we might end up deadlocking ourselves as we might trigger | |
4001 | * an activation ourselves we can't fulfill. */ | |
4002 | log_set_prohibit_ipc(!manager_journal_is_running(m)); | |
cc2b9e6b | 4003 | log_open(); |
f1dd0c3f LP |
4004 | } |
4005 | ||
d450b6f2 | 4006 | void manager_set_show_status(Manager *m, ShowStatus mode) { |
27d340c7 | 4007 | assert(m); |
d450b6f2 | 4008 | assert(IN_SET(mode, SHOW_STATUS_AUTO, SHOW_STATUS_NO, SHOW_STATUS_YES, SHOW_STATUS_TEMPORARY)); |
27d340c7 | 4009 | |
463d0d15 | 4010 | if (!MANAGER_IS_SYSTEM(m)) |
27d340c7 LP |
4011 | return; |
4012 | ||
76b6f3f6 ZJS |
4013 | if (m->show_status != mode) |
4014 | log_debug("%s showing of status.", | |
4015 | mode == SHOW_STATUS_NO ? "Disabling" : "Enabling"); | |
d450b6f2 | 4016 | m->show_status = mode; |
27d340c7 | 4017 | |
7a293242 | 4018 | if (IN_SET(mode, SHOW_STATUS_TEMPORARY, SHOW_STATUS_YES)) |
ac5b0c13 | 4019 | (void) touch("/run/systemd/show-status"); |
27d340c7 | 4020 | else |
ac5b0c13 | 4021 | (void) unlink("/run/systemd/show-status"); |
27d340c7 LP |
4022 | } |
4023 | ||
127d5fd1 | 4024 | static bool manager_get_show_status(Manager *m, StatusType type) { |
27d340c7 LP |
4025 | assert(m); |
4026 | ||
463d0d15 | 4027 | if (!MANAGER_IS_SYSTEM(m)) |
27d340c7 LP |
4028 | return false; |
4029 | ||
31a7eb86 ZJS |
4030 | if (m->no_console_output) |
4031 | return false; | |
4032 | ||
d81afec1 | 4033 | if (!IN_SET(manager_state(m), MANAGER_INITIALIZING, MANAGER_STARTING, MANAGER_STOPPING)) |
08510627 LP |
4034 | return false; |
4035 | ||
e46b13c8 | 4036 | /* If we cannot find out the status properly, just proceed. */ |
ebc5788e | 4037 | if (type != STATUS_TYPE_EMERGENCY && manager_check_ask_password(m) > 0) |
e46b13c8 ZJS |
4038 | return false; |
4039 | ||
7a293242 | 4040 | return IN_SET(m->show_status, SHOW_STATUS_TEMPORARY, SHOW_STATUS_YES); |
27d340c7 | 4041 | } |
68b29a9f | 4042 | |
7d5ceb64 FB |
4043 | const char *manager_get_confirm_spawn(Manager *m) { |
4044 | static int last_errno = 0; | |
4045 | const char *vc = m->confirm_spawn; | |
4046 | struct stat st; | |
4047 | int r; | |
4048 | ||
4049 | /* Here's the deal: we want to test the validity of the console but don't want | |
4050 | * PID1 to go through the whole console process which might block. But we also | |
4051 | * want to warn the user only once if something is wrong with the console so we | |
4052 | * cannot do the sanity checks after spawning our children. So here we simply do | |
4053 | * really basic tests to hopefully trap common errors. | |
4054 | * | |
4055 | * If the console suddenly disappear at the time our children will really it | |
4056 | * then they will simply fail to acquire it and a positive answer will be | |
4057 | * assumed. New children will fallback to /dev/console though. | |
4058 | * | |
4059 | * Note: TTYs are devices that can come and go any time, and frequently aren't | |
4060 | * available yet during early boot (consider a USB rs232 dongle...). If for any | |
4061 | * reason the configured console is not ready, we fallback to the default | |
4062 | * console. */ | |
4063 | ||
4064 | if (!vc || path_equal(vc, "/dev/console")) | |
4065 | return vc; | |
4066 | ||
4067 | r = stat(vc, &st); | |
4068 | if (r < 0) | |
4069 | goto fail; | |
4070 | ||
4071 | if (!S_ISCHR(st.st_mode)) { | |
4072 | errno = ENOTTY; | |
4073 | goto fail; | |
4074 | } | |
4075 | ||
4076 | last_errno = 0; | |
4077 | return vc; | |
4078 | fail: | |
4079 | if (last_errno != errno) { | |
4080 | last_errno = errno; | |
4081 | log_warning_errno(errno, "Failed to open %s: %m, using default console", vc); | |
4082 | } | |
4083 | return "/dev/console"; | |
4084 | } | |
4085 | ||
e2680723 LP |
4086 | void manager_set_first_boot(Manager *m, bool b) { |
4087 | assert(m); | |
4088 | ||
463d0d15 | 4089 | if (!MANAGER_IS_SYSTEM(m)) |
e2680723 LP |
4090 | return; |
4091 | ||
ae2a2c53 LP |
4092 | if (m->first_boot != (int) b) { |
4093 | if (b) | |
4094 | (void) touch("/run/systemd/first-boot"); | |
4095 | else | |
4096 | (void) unlink("/run/systemd/first-boot"); | |
4097 | } | |
e2680723 | 4098 | |
ae2a2c53 | 4099 | m->first_boot = b; |
e2680723 LP |
4100 | } |
4101 | ||
b0eb2944 FB |
4102 | void manager_disable_confirm_spawn(void) { |
4103 | (void) touch("/run/systemd/confirm_spawn_disabled"); | |
4104 | } | |
4105 | ||
4106 | bool manager_is_confirm_spawn_disabled(Manager *m) { | |
4107 | if (!m->confirm_spawn) | |
4108 | return true; | |
4109 | ||
4110 | return access("/run/systemd/confirm_spawn_disabled", F_OK) >= 0; | |
4111 | } | |
4112 | ||
127d5fd1 | 4113 | void manager_status_printf(Manager *m, StatusType type, const char *status, const char *format, ...) { |
25cee550 MS |
4114 | va_list ap; |
4115 | ||
cb6531be ZJS |
4116 | /* If m is NULL, assume we're after shutdown and let the messages through. */ |
4117 | ||
4118 | if (m && !manager_get_show_status(m, type)) | |
25cee550 MS |
4119 | return; |
4120 | ||
03b717a3 MS |
4121 | /* XXX We should totally drop the check for ephemeral here |
4122 | * and thus effectively make 'Type=idle' pointless. */ | |
cb6531be | 4123 | if (type == STATUS_TYPE_EPHEMERAL && m && m->n_on_console > 0) |
03b717a3 MS |
4124 | return; |
4125 | ||
25cee550 | 4126 | va_start(ap, format); |
127d5fd1 | 4127 | status_vprintf(status, true, type == STATUS_TYPE_EPHEMERAL, format, ap); |
25cee550 MS |
4128 | va_end(ap); |
4129 | } | |
4130 | ||
a57f7e2c LP |
4131 | Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path) { |
4132 | char p[strlen(path)+1]; | |
4133 | ||
4134 | assert(m); | |
4135 | assert(path); | |
4136 | ||
4137 | strcpy(p, path); | |
858d36c1 | 4138 | path_simplify(p, false); |
a57f7e2c LP |
4139 | |
4140 | return hashmap_get(m->units_requiring_mounts_for, streq(p, "/") ? "" : p); | |
4141 | } | |
e66cf1a3 | 4142 | |
5269eb6b | 4143 | int manager_update_failed_units(Manager *m, Unit *u, bool failed) { |
03455c28 | 4144 | unsigned size; |
5269eb6b | 4145 | int r; |
03455c28 LDM |
4146 | |
4147 | assert(m); | |
4148 | assert(u->manager == m); | |
4149 | ||
4150 | size = set_size(m->failed_units); | |
4151 | ||
9fff8981 | 4152 | if (failed) { |
5269eb6b LP |
4153 | r = set_ensure_allocated(&m->failed_units, NULL); |
4154 | if (r < 0) | |
4155 | return log_oom(); | |
4156 | ||
9fff8981 | 4157 | if (set_put(m->failed_units, u) < 0) |
5269eb6b | 4158 | return log_oom(); |
9fff8981 | 4159 | } else |
5269eb6b | 4160 | (void) set_remove(m->failed_units, u); |
03455c28 LDM |
4161 | |
4162 | if (set_size(m->failed_units) != size) | |
4163 | bus_manager_send_change_signal(m); | |
5269eb6b LP |
4164 | |
4165 | return 0; | |
03455c28 LDM |
4166 | } |
4167 | ||
f755e3b7 LP |
4168 | ManagerState manager_state(Manager *m) { |
4169 | Unit *u; | |
4170 | ||
4171 | assert(m); | |
4172 | ||
4173 | /* Did we ever finish booting? If not then we are still starting up */ | |
49d5666c | 4174 | if (!MANAGER_IS_FINISHED(m)) { |
d81afec1 LP |
4175 | |
4176 | u = manager_get_unit(m, SPECIAL_BASIC_TARGET); | |
4177 | if (!u || !UNIT_IS_ACTIVE_OR_RELOADING(unit_active_state(u))) | |
4178 | return MANAGER_INITIALIZING; | |
4179 | ||
f755e3b7 | 4180 | return MANAGER_STARTING; |
d81afec1 | 4181 | } |
f755e3b7 | 4182 | |
e68537f0 | 4183 | /* Is the special shutdown target active or queued? If so, we are in shutdown state */ |
f755e3b7 | 4184 | u = manager_get_unit(m, SPECIAL_SHUTDOWN_TARGET); |
706424c2 | 4185 | if (u && unit_active_or_pending(u)) |
f755e3b7 LP |
4186 | return MANAGER_STOPPING; |
4187 | ||
45a7b16b LP |
4188 | if (MANAGER_IS_SYSTEM(m)) { |
4189 | /* Are the rescue or emergency targets active or queued? If so we are in maintenance state */ | |
4190 | u = manager_get_unit(m, SPECIAL_RESCUE_TARGET); | |
4191 | if (u && unit_active_or_pending(u)) | |
4192 | return MANAGER_MAINTENANCE; | |
f755e3b7 | 4193 | |
45a7b16b LP |
4194 | u = manager_get_unit(m, SPECIAL_EMERGENCY_TARGET); |
4195 | if (u && unit_active_or_pending(u)) | |
4196 | return MANAGER_MAINTENANCE; | |
4197 | } | |
f755e3b7 LP |
4198 | |
4199 | /* Are there any failed units? If so, we are in degraded mode */ | |
4200 | if (set_size(m->failed_units) > 0) | |
4201 | return MANAGER_DEGRADED; | |
4202 | ||
4203 | return MANAGER_RUNNING; | |
4204 | } | |
4205 | ||
00d9ef85 LP |
4206 | #define DESTROY_IPC_FLAG (UINT32_C(1) << 31) |
4207 | ||
4208 | static void manager_unref_uid_internal( | |
4209 | Manager *m, | |
4210 | Hashmap **uid_refs, | |
4211 | uid_t uid, | |
4212 | bool destroy_now, | |
4213 | int (*_clean_ipc)(uid_t uid)) { | |
4214 | ||
4215 | uint32_t c, n; | |
4216 | ||
4217 | assert(m); | |
4218 | assert(uid_refs); | |
4219 | assert(uid_is_valid(uid)); | |
4220 | assert(_clean_ipc); | |
4221 | ||
4222 | /* A generic implementation, covering both manager_unref_uid() and manager_unref_gid(), under the assumption | |
4223 | * that uid_t and gid_t are actually defined the same way, with the same validity rules. | |
4224 | * | |
4225 | * We store a hashmap where the UID/GID is they key and the value is a 32bit reference counter, whose highest | |
4226 | * bit is used as flag for marking UIDs/GIDs whose IPC objects to remove when the last reference to the UID/GID | |
4227 | * is dropped. The flag is set to on, once at least one reference from a unit where RemoveIPC= is set is added | |
4228 | * on a UID/GID. It is reset when the UID's/GID's reference counter drops to 0 again. */ | |
4229 | ||
4230 | assert_cc(sizeof(uid_t) == sizeof(gid_t)); | |
4231 | assert_cc(UID_INVALID == (uid_t) GID_INVALID); | |
4232 | ||
4233 | if (uid == 0) /* We don't keep track of root, and will never destroy it */ | |
4234 | return; | |
4235 | ||
4236 | c = PTR_TO_UINT32(hashmap_get(*uid_refs, UID_TO_PTR(uid))); | |
4237 | ||
4238 | n = c & ~DESTROY_IPC_FLAG; | |
4239 | assert(n > 0); | |
4240 | n--; | |
4241 | ||
4242 | if (destroy_now && n == 0) { | |
4243 | hashmap_remove(*uid_refs, UID_TO_PTR(uid)); | |
4244 | ||
4245 | if (c & DESTROY_IPC_FLAG) { | |
4246 | log_debug("%s " UID_FMT " is no longer referenced, cleaning up its IPC.", | |
4247 | _clean_ipc == clean_ipc_by_uid ? "UID" : "GID", | |
4248 | uid); | |
4249 | (void) _clean_ipc(uid); | |
4250 | } | |
4251 | } else { | |
4252 | c = n | (c & DESTROY_IPC_FLAG); | |
4253 | assert_se(hashmap_update(*uid_refs, UID_TO_PTR(uid), UINT32_TO_PTR(c)) >= 0); | |
4254 | } | |
4255 | } | |
4256 | ||
4257 | void manager_unref_uid(Manager *m, uid_t uid, bool destroy_now) { | |
4258 | manager_unref_uid_internal(m, &m->uid_refs, uid, destroy_now, clean_ipc_by_uid); | |
4259 | } | |
4260 | ||
4261 | void manager_unref_gid(Manager *m, gid_t gid, bool destroy_now) { | |
4262 | manager_unref_uid_internal(m, &m->gid_refs, (uid_t) gid, destroy_now, clean_ipc_by_gid); | |
4263 | } | |
4264 | ||
4265 | static int manager_ref_uid_internal( | |
4266 | Manager *m, | |
4267 | Hashmap **uid_refs, | |
4268 | uid_t uid, | |
4269 | bool clean_ipc) { | |
4270 | ||
4271 | uint32_t c, n; | |
4272 | int r; | |
4273 | ||
4274 | assert(m); | |
4275 | assert(uid_refs); | |
4276 | assert(uid_is_valid(uid)); | |
4277 | ||
4278 | /* A generic implementation, covering both manager_ref_uid() and manager_ref_gid(), under the assumption | |
4279 | * that uid_t and gid_t are actually defined the same way, with the same validity rules. */ | |
4280 | ||
4281 | assert_cc(sizeof(uid_t) == sizeof(gid_t)); | |
4282 | assert_cc(UID_INVALID == (uid_t) GID_INVALID); | |
4283 | ||
4284 | if (uid == 0) /* We don't keep track of root, and will never destroy it */ | |
4285 | return 0; | |
4286 | ||
4287 | r = hashmap_ensure_allocated(uid_refs, &trivial_hash_ops); | |
4288 | if (r < 0) | |
4289 | return r; | |
4290 | ||
4291 | c = PTR_TO_UINT32(hashmap_get(*uid_refs, UID_TO_PTR(uid))); | |
4292 | ||
4293 | n = c & ~DESTROY_IPC_FLAG; | |
4294 | n++; | |
4295 | ||
4296 | if (n & DESTROY_IPC_FLAG) /* check for overflow */ | |
4297 | return -EOVERFLOW; | |
4298 | ||
4299 | c = n | (c & DESTROY_IPC_FLAG) | (clean_ipc ? DESTROY_IPC_FLAG : 0); | |
4300 | ||
4301 | return hashmap_replace(*uid_refs, UID_TO_PTR(uid), UINT32_TO_PTR(c)); | |
4302 | } | |
4303 | ||
4304 | int manager_ref_uid(Manager *m, uid_t uid, bool clean_ipc) { | |
4305 | return manager_ref_uid_internal(m, &m->uid_refs, uid, clean_ipc); | |
4306 | } | |
4307 | ||
4308 | int manager_ref_gid(Manager *m, gid_t gid, bool clean_ipc) { | |
4309 | return manager_ref_uid_internal(m, &m->gid_refs, (uid_t) gid, clean_ipc); | |
4310 | } | |
4311 | ||
4312 | static void manager_vacuum_uid_refs_internal( | |
4313 | Manager *m, | |
4314 | Hashmap **uid_refs, | |
4315 | int (*_clean_ipc)(uid_t uid)) { | |
4316 | ||
4317 | Iterator i; | |
4318 | void *p, *k; | |
4319 | ||
4320 | assert(m); | |
4321 | assert(uid_refs); | |
4322 | assert(_clean_ipc); | |
4323 | ||
4324 | HASHMAP_FOREACH_KEY(p, k, *uid_refs, i) { | |
4325 | uint32_t c, n; | |
4326 | uid_t uid; | |
4327 | ||
4328 | uid = PTR_TO_UID(k); | |
4329 | c = PTR_TO_UINT32(p); | |
4330 | ||
4331 | n = c & ~DESTROY_IPC_FLAG; | |
4332 | if (n > 0) | |
4333 | continue; | |
4334 | ||
4335 | if (c & DESTROY_IPC_FLAG) { | |
4336 | log_debug("Found unreferenced %s " UID_FMT " after reload/reexec. Cleaning up.", | |
4337 | _clean_ipc == clean_ipc_by_uid ? "UID" : "GID", | |
4338 | uid); | |
4339 | (void) _clean_ipc(uid); | |
4340 | } | |
4341 | ||
4342 | assert_se(hashmap_remove(*uid_refs, k) == p); | |
4343 | } | |
4344 | } | |
4345 | ||
4346 | void manager_vacuum_uid_refs(Manager *m) { | |
4347 | manager_vacuum_uid_refs_internal(m, &m->uid_refs, clean_ipc_by_uid); | |
4348 | } | |
4349 | ||
4350 | void manager_vacuum_gid_refs(Manager *m) { | |
4351 | manager_vacuum_uid_refs_internal(m, &m->gid_refs, clean_ipc_by_gid); | |
4352 | } | |
4353 | ||
4354 | static void manager_serialize_uid_refs_internal( | |
4355 | Manager *m, | |
4356 | FILE *f, | |
4357 | Hashmap **uid_refs, | |
4358 | const char *field_name) { | |
4359 | ||
4360 | Iterator i; | |
4361 | void *p, *k; | |
4362 | ||
4363 | assert(m); | |
4364 | assert(f); | |
4365 | assert(uid_refs); | |
4366 | assert(field_name); | |
4367 | ||
4368 | /* Serialize the UID reference table. Or actually, just the IPC destruction flag of it, as the actual counter | |
4369 | * of it is better rebuild after a reload/reexec. */ | |
4370 | ||
4371 | HASHMAP_FOREACH_KEY(p, k, *uid_refs, i) { | |
4372 | uint32_t c; | |
4373 | uid_t uid; | |
4374 | ||
4375 | uid = PTR_TO_UID(k); | |
4376 | c = PTR_TO_UINT32(p); | |
4377 | ||
4378 | if (!(c & DESTROY_IPC_FLAG)) | |
4379 | continue; | |
4380 | ||
4381 | fprintf(f, "%s=" UID_FMT "\n", field_name, uid); | |
4382 | } | |
4383 | } | |
4384 | ||
4385 | void manager_serialize_uid_refs(Manager *m, FILE *f) { | |
4386 | manager_serialize_uid_refs_internal(m, f, &m->uid_refs, "destroy-ipc-uid"); | |
4387 | } | |
4388 | ||
4389 | void manager_serialize_gid_refs(Manager *m, FILE *f) { | |
4390 | manager_serialize_uid_refs_internal(m, f, &m->gid_refs, "destroy-ipc-gid"); | |
4391 | } | |
4392 | ||
4393 | static void manager_deserialize_uid_refs_one_internal( | |
4394 | Manager *m, | |
4395 | Hashmap** uid_refs, | |
4396 | const char *value) { | |
4397 | ||
4398 | uid_t uid; | |
4399 | uint32_t c; | |
4400 | int r; | |
4401 | ||
4402 | assert(m); | |
4403 | assert(uid_refs); | |
4404 | assert(value); | |
4405 | ||
4406 | r = parse_uid(value, &uid); | |
4407 | if (r < 0 || uid == 0) { | |
4408 | log_debug("Unable to parse UID reference serialization"); | |
4409 | return; | |
4410 | } | |
4411 | ||
4412 | r = hashmap_ensure_allocated(uid_refs, &trivial_hash_ops); | |
4413 | if (r < 0) { | |
4414 | log_oom(); | |
4415 | return; | |
4416 | } | |
4417 | ||
4418 | c = PTR_TO_UINT32(hashmap_get(*uid_refs, UID_TO_PTR(uid))); | |
4419 | if (c & DESTROY_IPC_FLAG) | |
4420 | return; | |
4421 | ||
4422 | c |= DESTROY_IPC_FLAG; | |
4423 | ||
4424 | r = hashmap_replace(*uid_refs, UID_TO_PTR(uid), UINT32_TO_PTR(c)); | |
4425 | if (r < 0) { | |
4426 | log_debug("Failed to add UID reference entry"); | |
4427 | return; | |
4428 | } | |
4429 | } | |
4430 | ||
4431 | void manager_deserialize_uid_refs_one(Manager *m, const char *value) { | |
4432 | manager_deserialize_uid_refs_one_internal(m, &m->uid_refs, value); | |
4433 | } | |
4434 | ||
4435 | void manager_deserialize_gid_refs_one(Manager *m, const char *value) { | |
4436 | manager_deserialize_uid_refs_one_internal(m, &m->gid_refs, value); | |
4437 | } | |
4438 | ||
4439 | int manager_dispatch_user_lookup_fd(sd_event_source *source, int fd, uint32_t revents, void *userdata) { | |
4440 | struct buffer { | |
4441 | uid_t uid; | |
4442 | gid_t gid; | |
4443 | char unit_name[UNIT_NAME_MAX+1]; | |
4444 | } _packed_ buffer; | |
4445 | ||
4446 | Manager *m = userdata; | |
4447 | ssize_t l; | |
4448 | size_t n; | |
4449 | Unit *u; | |
4450 | ||
4451 | assert_se(source); | |
4452 | assert_se(m); | |
4453 | ||
4454 | /* Invoked whenever a child process succeeded resolving its user/group to use and sent us the resulting UID/GID | |
4455 | * in a datagram. We parse the datagram here and pass it off to the unit, so that it can add a reference to the | |
4456 | * UID/GID so that it can destroy the UID/GID's IPC objects when the reference counter drops to 0. */ | |
4457 | ||
4458 | l = recv(fd, &buffer, sizeof(buffer), MSG_DONTWAIT); | |
4459 | if (l < 0) { | |
4c701096 | 4460 | if (IN_SET(errno, EINTR, EAGAIN)) |
00d9ef85 LP |
4461 | return 0; |
4462 | ||
4463 | return log_error_errno(errno, "Failed to read from user lookup fd: %m"); | |
4464 | } | |
4465 | ||
4466 | if ((size_t) l <= offsetof(struct buffer, unit_name)) { | |
4467 | log_warning("Received too short user lookup message, ignoring."); | |
4468 | return 0; | |
4469 | } | |
4470 | ||
4471 | if ((size_t) l > offsetof(struct buffer, unit_name) + UNIT_NAME_MAX) { | |
4472 | log_warning("Received too long user lookup message, ignoring."); | |
4473 | return 0; | |
4474 | } | |
4475 | ||
4476 | if (!uid_is_valid(buffer.uid) && !gid_is_valid(buffer.gid)) { | |
4477 | log_warning("Got user lookup message with invalid UID/GID pair, ignoring."); | |
4478 | return 0; | |
4479 | } | |
4480 | ||
4481 | n = (size_t) l - offsetof(struct buffer, unit_name); | |
4482 | if (memchr(buffer.unit_name, 0, n)) { | |
4483 | log_warning("Received lookup message with embedded NUL character, ignoring."); | |
4484 | return 0; | |
4485 | } | |
4486 | ||
4487 | buffer.unit_name[n] = 0; | |
4488 | u = manager_get_unit(m, buffer.unit_name); | |
4489 | if (!u) { | |
4490 | log_debug("Got user lookup message but unit doesn't exist, ignoring."); | |
4491 | return 0; | |
4492 | } | |
4493 | ||
4494 | log_unit_debug(u, "User lookup succeeded: uid=" UID_FMT " gid=" GID_FMT, buffer.uid, buffer.gid); | |
4495 | ||
4496 | unit_notify_user_lookup(u, buffer.uid, buffer.gid); | |
4497 | return 0; | |
4498 | } | |
4499 | ||
af6b0ecc | 4500 | char *manager_taint_string(Manager *m) { |
90d7464d | 4501 | _cleanup_free_ char *destination = NULL, *overflowuid = NULL, *overflowgid = NULL; |
af6b0ecc LP |
4502 | char *buf, *e; |
4503 | int r; | |
4504 | ||
198ce932 ZJS |
4505 | /* Returns a "taint string", e.g. "local-hwclock:var-run-bad". |
4506 | * Only things that are detected at runtime should be tagged | |
4507 | * here. For stuff that is set during compilation, emit a warning | |
4508 | * in the configuration phase. */ | |
4509 | ||
af6b0ecc LP |
4510 | assert(m); |
4511 | ||
4512 | buf = new(char, sizeof("split-usr:" | |
4513 | "cgroups-missing:" | |
4514 | "local-hwclock:" | |
4515 | "var-run-bad:" | |
90d7464d LP |
4516 | "overflowuid-not-65534:" |
4517 | "overflowgid-not-65534:")); | |
af6b0ecc LP |
4518 | if (!buf) |
4519 | return NULL; | |
4520 | ||
4521 | e = buf; | |
0fd402b0 | 4522 | buf[0] = 0; |
af6b0ecc LP |
4523 | |
4524 | if (m->taint_usr) | |
4525 | e = stpcpy(e, "split-usr:"); | |
4526 | ||
4527 | if (access("/proc/cgroups", F_OK) < 0) | |
4528 | e = stpcpy(e, "cgroups-missing:"); | |
4529 | ||
4530 | if (clock_is_localtime(NULL) > 0) | |
4531 | e = stpcpy(e, "local-hwclock:"); | |
4532 | ||
4533 | r = readlink_malloc("/var/run", &destination); | |
4534 | if (r < 0 || !PATH_IN_SET(destination, "../run", "/run")) | |
4535 | e = stpcpy(e, "var-run-bad:"); | |
4536 | ||
90d7464d LP |
4537 | r = read_one_line_file("/proc/sys/kernel/overflowuid", &overflowuid); |
4538 | if (r >= 0 && !streq(overflowuid, "65534")) | |
4539 | e = stpcpy(e, "overflowuid-not-65534:"); | |
4540 | ||
4541 | r = read_one_line_file("/proc/sys/kernel/overflowgid", &overflowgid); | |
4542 | if (r >= 0 && !streq(overflowgid, "65534")) | |
4543 | e = stpcpy(e, "overflowgid-not-65534:"); | |
4544 | ||
af6b0ecc LP |
4545 | /* remove the last ':' */ |
4546 | if (e != buf) | |
4547 | e[-1] = 0; | |
4548 | ||
4549 | return buf; | |
4550 | } | |
4551 | ||
adefcf28 LP |
4552 | void manager_ref_console(Manager *m) { |
4553 | assert(m); | |
4554 | ||
4555 | m->n_on_console++; | |
4556 | } | |
4557 | ||
4558 | void manager_unref_console(Manager *m) { | |
4559 | ||
4560 | assert(m->n_on_console > 0); | |
4561 | m->n_on_console--; | |
4562 | ||
4563 | if (m->n_on_console == 0) | |
4564 | m->no_console_output = false; /* unset no_console_output flag, since the console is definitely free now */ | |
4565 | } | |
4566 | ||
a6ecbf83 FB |
4567 | void manager_override_log_level(Manager *m, int level) { |
4568 | _cleanup_free_ char *s = NULL; | |
4569 | assert(m); | |
4570 | ||
4571 | if (!m->log_level_overridden) { | |
4572 | m->original_log_level = log_get_max_level(); | |
4573 | m->log_level_overridden = true; | |
4574 | } | |
4575 | ||
4576 | (void) log_level_to_string_alloc(level, &s); | |
4577 | log_info("Setting log level to %s.", strna(s)); | |
4578 | ||
4579 | log_set_max_level(level); | |
4580 | } | |
4581 | ||
4582 | void manager_restore_original_log_level(Manager *m) { | |
4583 | _cleanup_free_ char *s = NULL; | |
4584 | assert(m); | |
4585 | ||
4586 | if (!m->log_level_overridden) | |
4587 | return; | |
4588 | ||
4589 | (void) log_level_to_string_alloc(m->original_log_level, &s); | |
4590 | log_info("Restoring log level to original (%s).", strna(s)); | |
4591 | ||
4592 | log_set_max_level(m->original_log_level); | |
4593 | m->log_level_overridden = false; | |
4594 | } | |
4595 | ||
bda7d78b FB |
4596 | void manager_override_log_target(Manager *m, LogTarget target) { |
4597 | assert(m); | |
4598 | ||
4599 | if (!m->log_target_overridden) { | |
4600 | m->original_log_target = log_get_target(); | |
4601 | m->log_target_overridden = true; | |
4602 | } | |
4603 | ||
4604 | log_info("Setting log target to %s.", log_target_to_string(target)); | |
4605 | log_set_target(target); | |
4606 | } | |
4607 | ||
4608 | void manager_restore_original_log_target(Manager *m) { | |
4609 | assert(m); | |
4610 | ||
4611 | if (!m->log_target_overridden) | |
4612 | return; | |
4613 | ||
4614 | log_info("Restoring log target to original %s.", log_target_to_string(m->original_log_target)); | |
4615 | ||
4616 | log_set_target(m->original_log_target); | |
4617 | m->log_target_overridden = false; | |
4618 | } | |
4619 | ||
d4ee7bd8 YW |
4620 | ManagerTimestamp manager_timestamp_initrd_mangle(ManagerTimestamp s) { |
4621 | if (in_initrd() && | |
4622 | s >= MANAGER_TIMESTAMP_SECURITY_START && | |
4623 | s <= MANAGER_TIMESTAMP_UNITS_LOAD_FINISH) | |
4624 | return s - MANAGER_TIMESTAMP_SECURITY_START + MANAGER_TIMESTAMP_INITRD_SECURITY_START; | |
4625 | return s; | |
4626 | } | |
4627 | ||
f755e3b7 | 4628 | static const char *const manager_state_table[_MANAGER_STATE_MAX] = { |
d81afec1 | 4629 | [MANAGER_INITIALIZING] = "initializing", |
f755e3b7 LP |
4630 | [MANAGER_STARTING] = "starting", |
4631 | [MANAGER_RUNNING] = "running", | |
4632 | [MANAGER_DEGRADED] = "degraded", | |
4633 | [MANAGER_MAINTENANCE] = "maintenance", | |
4634 | [MANAGER_STOPPING] = "stopping", | |
4635 | }; | |
4636 | ||
4637 | DEFINE_STRING_TABLE_LOOKUP(manager_state, ManagerState); | |
9f9f0342 LP |
4638 | |
4639 | static const char *const manager_timestamp_table[_MANAGER_TIMESTAMP_MAX] = { | |
4640 | [MANAGER_TIMESTAMP_FIRMWARE] = "firmware", | |
4641 | [MANAGER_TIMESTAMP_LOADER] = "loader", | |
4642 | [MANAGER_TIMESTAMP_KERNEL] = "kernel", | |
4643 | [MANAGER_TIMESTAMP_INITRD] = "initrd", | |
4644 | [MANAGER_TIMESTAMP_USERSPACE] = "userspace", | |
4645 | [MANAGER_TIMESTAMP_FINISH] = "finish", | |
4646 | [MANAGER_TIMESTAMP_SECURITY_START] = "security-start", | |
4647 | [MANAGER_TIMESTAMP_SECURITY_FINISH] = "security-finish", | |
4648 | [MANAGER_TIMESTAMP_GENERATORS_START] = "generators-start", | |
4649 | [MANAGER_TIMESTAMP_GENERATORS_FINISH] = "generators-finish", | |
4650 | [MANAGER_TIMESTAMP_UNITS_LOAD_START] = "units-load-start", | |
4651 | [MANAGER_TIMESTAMP_UNITS_LOAD_FINISH] = "units-load-finish", | |
d4ee7bd8 YW |
4652 | [MANAGER_TIMESTAMP_INITRD_SECURITY_START] = "initrd-security-start", |
4653 | [MANAGER_TIMESTAMP_INITRD_SECURITY_FINISH] = "initrd-security-finish", | |
4654 | [MANAGER_TIMESTAMP_INITRD_GENERATORS_START] = "initrd-generators-start", | |
4655 | [MANAGER_TIMESTAMP_INITRD_GENERATORS_FINISH] = "initrd-generators-finish", | |
4656 | [MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_START] = "initrd-units-load-start", | |
4657 | [MANAGER_TIMESTAMP_INITRD_UNITS_LOAD_FINISH] = "initrd-units-load-finish", | |
9f9f0342 LP |
4658 | }; |
4659 | ||
4660 | DEFINE_STRING_TABLE_LOOKUP(manager_timestamp, ManagerTimestamp); |