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1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ | |
2 | ||
3 | #include <getopt.h> | |
4 | #include <stdio.h> | |
5 | #include <fcntl.h> | |
6 | #include <sys/stat.h> | |
7 | #include <sys/types.h> | |
8 | ||
9 | #include "sd-bus.h" | |
10 | #include "sd-event.h" | |
11 | ||
12 | #include "alloc-util.h" | |
13 | #include "bus-error.h" | |
14 | #include "bus-locator.h" | |
15 | #include "bus-map-properties.h" | |
16 | #include "bus-unit-util.h" | |
17 | #include "bus-wait-for-jobs.h" | |
18 | #include "calendarspec.h" | |
19 | #include "env-util.h" | |
20 | #include "exit-status.h" | |
21 | #include "fd-util.h" | |
22 | #include "format-util.h" | |
23 | #include "main-func.h" | |
24 | #include "parse-argument.h" | |
25 | #include "parse-util.h" | |
26 | #include "path-util.h" | |
27 | #include "pretty-print.h" | |
28 | #include "process-util.h" | |
29 | #include "ptyfwd.h" | |
30 | #include "signal-util.h" | |
31 | #include "spawn-polkit-agent.h" | |
32 | #include "strv.h" | |
33 | #include "terminal-util.h" | |
34 | #include "unit-def.h" | |
35 | #include "unit-name.h" | |
36 | #include "user-util.h" | |
37 | ||
38 | static bool arg_ask_password = true; | |
39 | static bool arg_scope = false; | |
40 | static bool arg_remain_after_exit = false; | |
41 | static bool arg_no_block = false; | |
42 | static bool arg_wait = false; | |
43 | static const char *arg_unit = NULL; | |
44 | static const char *arg_description = NULL; | |
45 | static const char *arg_slice = NULL; | |
46 | static bool arg_slice_inherit = false; | |
47 | static bool arg_send_sighup = false; | |
48 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
49 | static const char *arg_host = NULL; | |
50 | static bool arg_user = false; | |
51 | static const char *arg_service_type = NULL; | |
52 | static const char *arg_exec_user = NULL; | |
53 | static const char *arg_exec_group = NULL; | |
54 | static int arg_nice = 0; | |
55 | static bool arg_nice_set = false; | |
56 | static char **arg_environment = NULL; | |
57 | static char **arg_property = NULL; | |
58 | static enum { | |
59 | ARG_STDIO_NONE, /* The default, as it is for normal services, stdin connected to /dev/null, and stdout+stderr to the journal */ | |
60 | ARG_STDIO_PTY, /* Interactive behaviour, requested by --pty: we allocate a pty and connect it to the TTY we are invoked from */ | |
61 | ARG_STDIO_DIRECT, /* Directly pass our stdin/stdout/stderr to the activated service, useful for usage in shell pipelines, requested by --pipe */ | |
62 | ARG_STDIO_AUTO, /* If --pipe and --pty are used together we use --pty when invoked on a TTY, and --pipe otherwise */ | |
63 | } arg_stdio = ARG_STDIO_NONE; | |
64 | static char **arg_path_property = NULL; | |
65 | static char **arg_socket_property = NULL; | |
66 | static char **arg_timer_property = NULL; | |
67 | static bool arg_with_timer = false; | |
68 | static bool arg_quiet = false; | |
69 | static bool arg_aggressive_gc = false; | |
70 | static char *arg_working_directory = NULL; | |
71 | static bool arg_shell = false; | |
72 | static char **arg_cmdline = NULL; | |
73 | ||
74 | STATIC_DESTRUCTOR_REGISTER(arg_environment, strv_freep); | |
75 | STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep); | |
76 | STATIC_DESTRUCTOR_REGISTER(arg_path_property, strv_freep); | |
77 | STATIC_DESTRUCTOR_REGISTER(arg_socket_property, strv_freep); | |
78 | STATIC_DESTRUCTOR_REGISTER(arg_timer_property, strv_freep); | |
79 | STATIC_DESTRUCTOR_REGISTER(arg_working_directory, freep); | |
80 | STATIC_DESTRUCTOR_REGISTER(arg_cmdline, strv_freep); | |
81 | ||
82 | static int help(void) { | |
83 | _cleanup_free_ char *link = NULL; | |
84 | int r; | |
85 | ||
86 | r = terminal_urlify_man("systemd-run", "1", &link); | |
87 | if (r < 0) | |
88 | return log_oom(); | |
89 | ||
90 | printf("%s [OPTIONS...] COMMAND [ARGUMENTS...]\n" | |
91 | "\n%sRun the specified command in a transient scope or service.%s\n\n" | |
92 | " -h --help Show this help\n" | |
93 | " --version Show package version\n" | |
94 | " --no-ask-password Do not prompt for password\n" | |
95 | " --user Run as user unit\n" | |
96 | " -H --host=[USER@]HOST Operate on remote host\n" | |
97 | " -M --machine=CONTAINER Operate on local container\n" | |
98 | " --scope Run this as scope rather than service\n" | |
99 | " -u --unit=UNIT Run under the specified unit name\n" | |
100 | " -p --property=NAME=VALUE Set service or scope unit property\n" | |
101 | " --description=TEXT Description for unit\n" | |
102 | " --slice=SLICE Run in the specified slice\n" | |
103 | " --slice-inherit Inherit the slice\n" | |
104 | " --no-block Do not wait until operation finished\n" | |
105 | " -r --remain-after-exit Leave service around until explicitly stopped\n" | |
106 | " --wait Wait until service stopped again\n" | |
107 | " --send-sighup Send SIGHUP when terminating\n" | |
108 | " --service-type=TYPE Service type\n" | |
109 | " --uid=USER Run as system user\n" | |
110 | " --gid=GROUP Run as system group\n" | |
111 | " --nice=NICE Nice level\n" | |
112 | " --working-directory=PATH Set working directory\n" | |
113 | " -d --same-dir Inherit working directory from caller\n" | |
114 | " -E --setenv=NAME[=VALUE] Set environment variable\n" | |
115 | " -t --pty Run service on pseudo TTY as STDIN/STDOUT/\n" | |
116 | " STDERR\n" | |
117 | " -P --pipe Pass STDIN/STDOUT/STDERR directly to service\n" | |
118 | " -q --quiet Suppress information messages during runtime\n" | |
119 | " -G --collect Unload unit after it ran, even when failed\n" | |
120 | " -S --shell Invoke a $SHELL interactively\n\n" | |
121 | "Path options:\n" | |
122 | " --path-property=NAME=VALUE Set path unit property\n\n" | |
123 | "Socket options:\n" | |
124 | " --socket-property=NAME=VALUE Set socket unit property\n\n" | |
125 | "Timer options:\n" | |
126 | " --on-active=SECONDS Run after SECONDS delay\n" | |
127 | " --on-boot=SECONDS Run SECONDS after machine was booted up\n" | |
128 | " --on-startup=SECONDS Run SECONDS after systemd activation\n" | |
129 | " --on-unit-active=SECONDS Run SECONDS after the last activation\n" | |
130 | " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n" | |
131 | " --on-calendar=SPEC Realtime timer\n" | |
132 | " --on-timezone-change Run when the timezone changes\n" | |
133 | " --on-clock-change Run when the realtime clock jumps\n" | |
134 | " --timer-property=NAME=VALUE Set timer unit property\n" | |
135 | "\nSee the %s for details.\n", | |
136 | program_invocation_short_name, | |
137 | ansi_highlight(), | |
138 | ansi_normal(), | |
139 | link); | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | static int add_timer_property(const char *name, const char *val) { | |
145 | char *p; | |
146 | ||
147 | assert(name); | |
148 | assert(val); | |
149 | ||
150 | p = strjoin(name, "=", val); | |
151 | if (!p) | |
152 | return log_oom(); | |
153 | ||
154 | if (strv_consume(&arg_timer_property, p) < 0) | |
155 | return log_oom(); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | static int parse_argv(int argc, char *argv[]) { | |
161 | ||
162 | enum { | |
163 | ARG_VERSION = 0x100, | |
164 | ARG_USER, | |
165 | ARG_SYSTEM, | |
166 | ARG_SCOPE, | |
167 | ARG_DESCRIPTION, | |
168 | ARG_SLICE, | |
169 | ARG_SLICE_INHERIT, | |
170 | ARG_SEND_SIGHUP, | |
171 | ARG_SERVICE_TYPE, | |
172 | ARG_EXEC_USER, | |
173 | ARG_EXEC_GROUP, | |
174 | ARG_NICE, | |
175 | ARG_ON_ACTIVE, | |
176 | ARG_ON_BOOT, | |
177 | ARG_ON_STARTUP, | |
178 | ARG_ON_UNIT_ACTIVE, | |
179 | ARG_ON_UNIT_INACTIVE, | |
180 | ARG_ON_CALENDAR, | |
181 | ARG_ON_TIMEZONE_CHANGE, | |
182 | ARG_ON_CLOCK_CHANGE, | |
183 | ARG_TIMER_PROPERTY, | |
184 | ARG_PATH_PROPERTY, | |
185 | ARG_SOCKET_PROPERTY, | |
186 | ARG_NO_BLOCK, | |
187 | ARG_NO_ASK_PASSWORD, | |
188 | ARG_WAIT, | |
189 | ARG_WORKING_DIRECTORY, | |
190 | ARG_SHELL, | |
191 | }; | |
192 | ||
193 | static const struct option options[] = { | |
194 | { "help", no_argument, NULL, 'h' }, | |
195 | { "version", no_argument, NULL, ARG_VERSION }, | |
196 | { "user", no_argument, NULL, ARG_USER }, | |
197 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
198 | { "scope", no_argument, NULL, ARG_SCOPE }, | |
199 | { "unit", required_argument, NULL, 'u' }, | |
200 | { "description", required_argument, NULL, ARG_DESCRIPTION }, | |
201 | { "slice", required_argument, NULL, ARG_SLICE }, | |
202 | { "slice-inherit", no_argument, NULL, ARG_SLICE_INHERIT }, | |
203 | { "remain-after-exit", no_argument, NULL, 'r' }, | |
204 | { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP }, | |
205 | { "host", required_argument, NULL, 'H' }, | |
206 | { "machine", required_argument, NULL, 'M' }, | |
207 | { "service-type", required_argument, NULL, ARG_SERVICE_TYPE }, | |
208 | { "wait", no_argument, NULL, ARG_WAIT }, | |
209 | { "uid", required_argument, NULL, ARG_EXEC_USER }, | |
210 | { "gid", required_argument, NULL, ARG_EXEC_GROUP }, | |
211 | { "nice", required_argument, NULL, ARG_NICE }, | |
212 | { "setenv", required_argument, NULL, 'E' }, | |
213 | { "property", required_argument, NULL, 'p' }, | |
214 | { "tty", no_argument, NULL, 't' }, /* deprecated alias */ | |
215 | { "pty", no_argument, NULL, 't' }, | |
216 | { "pipe", no_argument, NULL, 'P' }, | |
217 | { "quiet", no_argument, NULL, 'q' }, | |
218 | { "on-active", required_argument, NULL, ARG_ON_ACTIVE }, | |
219 | { "on-boot", required_argument, NULL, ARG_ON_BOOT }, | |
220 | { "on-startup", required_argument, NULL, ARG_ON_STARTUP }, | |
221 | { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE }, | |
222 | { "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE }, | |
223 | { "on-calendar", required_argument, NULL, ARG_ON_CALENDAR }, | |
224 | { "on-timezone-change",no_argument, NULL, ARG_ON_TIMEZONE_CHANGE}, | |
225 | { "on-clock-change", no_argument, NULL, ARG_ON_CLOCK_CHANGE }, | |
226 | { "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY }, | |
227 | { "path-property", required_argument, NULL, ARG_PATH_PROPERTY }, | |
228 | { "socket-property", required_argument, NULL, ARG_SOCKET_PROPERTY }, | |
229 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
230 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
231 | { "collect", no_argument, NULL, 'G' }, | |
232 | { "working-directory", required_argument, NULL, ARG_WORKING_DIRECTORY }, | |
233 | { "same-dir", no_argument, NULL, 'd' }, | |
234 | { "shell", no_argument, NULL, 'S' }, | |
235 | {}, | |
236 | }; | |
237 | ||
238 | bool with_trigger = false; | |
239 | int r, c; | |
240 | ||
241 | assert(argc >= 0); | |
242 | assert(argv); | |
243 | ||
244 | while ((c = getopt_long(argc, argv, "+hrH:M:E:p:tPqGdSu:", options, NULL)) >= 0) | |
245 | ||
246 | switch (c) { | |
247 | ||
248 | case 'h': | |
249 | return help(); | |
250 | ||
251 | case ARG_VERSION: | |
252 | return version(); | |
253 | ||
254 | case ARG_NO_ASK_PASSWORD: | |
255 | arg_ask_password = false; | |
256 | break; | |
257 | ||
258 | case ARG_USER: | |
259 | arg_user = true; | |
260 | break; | |
261 | ||
262 | case ARG_SYSTEM: | |
263 | arg_user = false; | |
264 | break; | |
265 | ||
266 | case ARG_SCOPE: | |
267 | arg_scope = true; | |
268 | break; | |
269 | ||
270 | case 'u': | |
271 | arg_unit = optarg; | |
272 | break; | |
273 | ||
274 | case ARG_DESCRIPTION: | |
275 | arg_description = optarg; | |
276 | break; | |
277 | ||
278 | case ARG_SLICE: | |
279 | arg_slice = optarg; | |
280 | break; | |
281 | ||
282 | case ARG_SLICE_INHERIT: | |
283 | arg_slice_inherit = true; | |
284 | break; | |
285 | ||
286 | case ARG_SEND_SIGHUP: | |
287 | arg_send_sighup = true; | |
288 | break; | |
289 | ||
290 | case 'r': | |
291 | arg_remain_after_exit = true; | |
292 | break; | |
293 | ||
294 | case 'H': | |
295 | arg_transport = BUS_TRANSPORT_REMOTE; | |
296 | arg_host = optarg; | |
297 | break; | |
298 | ||
299 | case 'M': | |
300 | arg_transport = BUS_TRANSPORT_MACHINE; | |
301 | arg_host = optarg; | |
302 | break; | |
303 | ||
304 | case ARG_SERVICE_TYPE: | |
305 | arg_service_type = optarg; | |
306 | break; | |
307 | ||
308 | case ARG_EXEC_USER: | |
309 | arg_exec_user = optarg; | |
310 | break; | |
311 | ||
312 | case ARG_EXEC_GROUP: | |
313 | arg_exec_group = optarg; | |
314 | break; | |
315 | ||
316 | case ARG_NICE: | |
317 | r = parse_nice(optarg, &arg_nice); | |
318 | if (r < 0) | |
319 | return log_error_errno(r, "Failed to parse nice value: %s", optarg); | |
320 | ||
321 | arg_nice_set = true; | |
322 | break; | |
323 | ||
324 | case 'E': | |
325 | r = strv_env_replace_strdup_passthrough(&arg_environment, optarg); | |
326 | if (r < 0) | |
327 | return log_error_errno(r, "Cannot assign environment variable %s: %m", optarg); | |
328 | ||
329 | break; | |
330 | ||
331 | case 'p': | |
332 | if (strv_extend(&arg_property, optarg) < 0) | |
333 | return log_oom(); | |
334 | ||
335 | break; | |
336 | ||
337 | case 't': /* --pty */ | |
338 | if (IN_SET(arg_stdio, ARG_STDIO_DIRECT, ARG_STDIO_AUTO)) /* if --pipe is already used, upgrade to auto mode */ | |
339 | arg_stdio = ARG_STDIO_AUTO; | |
340 | else | |
341 | arg_stdio = ARG_STDIO_PTY; | |
342 | break; | |
343 | ||
344 | case 'P': /* --pipe */ | |
345 | if (IN_SET(arg_stdio, ARG_STDIO_PTY, ARG_STDIO_AUTO)) /* If --pty is already used, upgrade to auto mode */ | |
346 | arg_stdio = ARG_STDIO_AUTO; | |
347 | else | |
348 | arg_stdio = ARG_STDIO_DIRECT; | |
349 | break; | |
350 | ||
351 | case 'q': | |
352 | arg_quiet = true; | |
353 | break; | |
354 | ||
355 | case ARG_ON_ACTIVE: | |
356 | r = add_timer_property("OnActiveSec", optarg); | |
357 | if (r < 0) | |
358 | return r; | |
359 | ||
360 | arg_with_timer = true; | |
361 | break; | |
362 | ||
363 | case ARG_ON_BOOT: | |
364 | r = add_timer_property("OnBootSec", optarg); | |
365 | if (r < 0) | |
366 | return r; | |
367 | ||
368 | arg_with_timer = true; | |
369 | break; | |
370 | ||
371 | case ARG_ON_STARTUP: | |
372 | r = add_timer_property("OnStartupSec", optarg); | |
373 | if (r < 0) | |
374 | return r; | |
375 | ||
376 | arg_with_timer = true; | |
377 | break; | |
378 | ||
379 | case ARG_ON_UNIT_ACTIVE: | |
380 | r = add_timer_property("OnUnitActiveSec", optarg); | |
381 | if (r < 0) | |
382 | return r; | |
383 | ||
384 | arg_with_timer = true; | |
385 | break; | |
386 | ||
387 | case ARG_ON_UNIT_INACTIVE: | |
388 | r = add_timer_property("OnUnitInactiveSec", optarg); | |
389 | if (r < 0) | |
390 | return r; | |
391 | ||
392 | arg_with_timer = true; | |
393 | break; | |
394 | ||
395 | case ARG_ON_CALENDAR: { | |
396 | _cleanup_(calendar_spec_freep) CalendarSpec *cs = NULL; | |
397 | ||
398 | r = calendar_spec_from_string(optarg, &cs); | |
399 | if (r < 0) | |
400 | return log_error_errno(r, "Failed to parse calendar event specification: %m"); | |
401 | ||
402 | /* Let's make sure the given calendar event is not in the past */ | |
403 | r = calendar_spec_next_usec(cs, now(CLOCK_REALTIME), NULL); | |
404 | if (r == -ENOENT) | |
405 | /* The calendar event is in the past — let's warn about this, but install it | |
406 | * anyway as is. The service manager will trigger the service right away. | |
407 | * Moreover, the server side might have a different clock or timezone than we | |
408 | * do, hence it should decide when or whether to run something. */ | |
409 | log_warning("Specified calendar expression is in the past, proceeding anyway."); | |
410 | else if (r < 0) | |
411 | return log_error_errno(r, "Failed to calculate next time calendar expression elapses: %m"); | |
412 | ||
413 | r = add_timer_property("OnCalendar", optarg); | |
414 | if (r < 0) | |
415 | return r; | |
416 | ||
417 | arg_with_timer = true; | |
418 | break; | |
419 | } | |
420 | ||
421 | case ARG_ON_TIMEZONE_CHANGE: | |
422 | r = add_timer_property("OnTimezoneChange", "yes"); | |
423 | if (r < 0) | |
424 | return r; | |
425 | ||
426 | arg_with_timer = true; | |
427 | break; | |
428 | ||
429 | case ARG_ON_CLOCK_CHANGE: | |
430 | r = add_timer_property("OnClockChange", "yes"); | |
431 | if (r < 0) | |
432 | return r; | |
433 | ||
434 | arg_with_timer = true; | |
435 | break; | |
436 | ||
437 | case ARG_TIMER_PROPERTY: | |
438 | ||
439 | if (strv_extend(&arg_timer_property, optarg) < 0) | |
440 | return log_oom(); | |
441 | ||
442 | arg_with_timer = arg_with_timer || | |
443 | STARTSWITH_SET(optarg, | |
444 | "OnActiveSec=", | |
445 | "OnBootSec=", | |
446 | "OnStartupSec=", | |
447 | "OnUnitActiveSec=", | |
448 | "OnUnitInactiveSec=", | |
449 | "OnCalendar="); | |
450 | break; | |
451 | ||
452 | case ARG_PATH_PROPERTY: | |
453 | ||
454 | if (strv_extend(&arg_path_property, optarg) < 0) | |
455 | return log_oom(); | |
456 | ||
457 | break; | |
458 | ||
459 | case ARG_SOCKET_PROPERTY: | |
460 | ||
461 | if (strv_extend(&arg_socket_property, optarg) < 0) | |
462 | return log_oom(); | |
463 | ||
464 | break; | |
465 | ||
466 | case ARG_NO_BLOCK: | |
467 | arg_no_block = true; | |
468 | break; | |
469 | ||
470 | case ARG_WAIT: | |
471 | arg_wait = true; | |
472 | break; | |
473 | ||
474 | case ARG_WORKING_DIRECTORY: | |
475 | r = parse_path_argument(optarg, true, &arg_working_directory); | |
476 | if (r < 0) | |
477 | return r; | |
478 | ||
479 | break; | |
480 | ||
481 | case 'd': { | |
482 | _cleanup_free_ char *p = NULL; | |
483 | ||
484 | r = safe_getcwd(&p); | |
485 | if (r < 0) | |
486 | return log_error_errno(r, "Failed to get current working directory: %m"); | |
487 | ||
488 | if (empty_or_root(p)) | |
489 | arg_working_directory = mfree(arg_working_directory); | |
490 | else | |
491 | free_and_replace(arg_working_directory, p); | |
492 | break; | |
493 | } | |
494 | ||
495 | case 'G': | |
496 | arg_aggressive_gc = true; | |
497 | break; | |
498 | ||
499 | case 'S': | |
500 | arg_shell = true; | |
501 | break; | |
502 | ||
503 | case '?': | |
504 | return -EINVAL; | |
505 | ||
506 | default: | |
507 | assert_not_reached(); | |
508 | } | |
509 | ||
510 | /* If we are talking to the per-user instance PolicyKit isn't going to help */ | |
511 | if (arg_user) | |
512 | arg_ask_password = false; | |
513 | ||
514 | with_trigger = !!arg_path_property || !!arg_socket_property || arg_with_timer; | |
515 | ||
516 | /* currently, only single trigger (path, socket, timer) unit can be created simultaneously */ | |
517 | if ((int) !!arg_path_property + (int) !!arg_socket_property + (int) arg_with_timer > 1) | |
518 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
519 | "Only single trigger (path, socket, timer) unit can be created."); | |
520 | ||
521 | if (arg_shell) { | |
522 | /* If --shell is imply --pty --pipe --same-dir --service-type=exec --wait --collect, unless otherwise | |
523 | * specified. */ | |
524 | ||
525 | if (!arg_scope) { | |
526 | if (arg_stdio == ARG_STDIO_NONE) | |
527 | arg_stdio = ARG_STDIO_AUTO; | |
528 | ||
529 | if (!arg_working_directory) { | |
530 | r = safe_getcwd(&arg_working_directory); | |
531 | if (r < 0) | |
532 | return log_error_errno(r, "Failed to get current working directory: %m"); | |
533 | } | |
534 | ||
535 | if (!arg_service_type) { | |
536 | arg_service_type = strdup("exec"); | |
537 | if (!arg_service_type) | |
538 | return log_oom(); | |
539 | } | |
540 | ||
541 | arg_wait = true; | |
542 | } | |
543 | ||
544 | arg_aggressive_gc = true; | |
545 | } | |
546 | ||
547 | if (arg_stdio == ARG_STDIO_AUTO) | |
548 | /* If we both --pty and --pipe are specified we'll automatically pick --pty if we are connected fully | |
549 | * to a TTY and pick direct fd passing otherwise. This way, we automatically adapt to usage in a shell | |
550 | * pipeline, but we are neatly interactive with tty-level isolation otherwise. */ | |
551 | arg_stdio = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) ? | |
552 | ARG_STDIO_PTY : | |
553 | ARG_STDIO_DIRECT; | |
554 | ||
555 | if (argc > optind) { | |
556 | char **l; | |
557 | ||
558 | if (arg_shell) | |
559 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "If --shell is used, no command line is expected."); | |
560 | ||
561 | l = strv_copy(argv + optind); | |
562 | if (!l) | |
563 | return log_oom(); | |
564 | ||
565 | strv_free_and_replace(arg_cmdline, l); | |
566 | ||
567 | } else if (arg_shell) { | |
568 | _cleanup_free_ char *s = NULL; | |
569 | char **l; | |
570 | ||
571 | r = get_shell(&s); | |
572 | if (r < 0) | |
573 | return log_error_errno(r, "Failed to determine shell: %m"); | |
574 | ||
575 | l = strv_new(s); | |
576 | if (!l) | |
577 | return log_oom(); | |
578 | ||
579 | strv_free_and_replace(arg_cmdline, l); | |
580 | ||
581 | } else if (!arg_unit || !with_trigger) | |
582 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Command line to execute required."); | |
583 | ||
584 | if (arg_user && arg_transport == BUS_TRANSPORT_REMOTE) | |
585 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
586 | "Execution in user context is not supported on remote systems."); | |
587 | ||
588 | if (arg_scope && arg_transport == BUS_TRANSPORT_REMOTE) | |
589 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
590 | "Scope execution is not supported on remote systems."); | |
591 | ||
592 | if (arg_scope && (arg_remain_after_exit || arg_service_type)) | |
593 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
594 | "--remain-after-exit and --service-type= are not supported in --scope mode."); | |
595 | ||
596 | if (arg_stdio != ARG_STDIO_NONE && (with_trigger || arg_scope)) | |
597 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
598 | "--pty/--pipe is not compatible in timer or --scope mode."); | |
599 | ||
600 | if (arg_stdio != ARG_STDIO_NONE && arg_transport == BUS_TRANSPORT_REMOTE) | |
601 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
602 | "--pty/--pipe is only supported when connecting to the local system or containers."); | |
603 | ||
604 | if (arg_stdio != ARG_STDIO_NONE && arg_no_block) | |
605 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
606 | "--pty/--pipe is not compatible with --no-block."); | |
607 | ||
608 | if (arg_scope && with_trigger) | |
609 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
610 | "Path, socket or timer options are not supported in --scope mode."); | |
611 | ||
612 | if (arg_timer_property && !arg_with_timer) | |
613 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
614 | "--timer-property= has no effect without any other timer options."); | |
615 | ||
616 | if (arg_wait) { | |
617 | if (arg_no_block) | |
618 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
619 | "--wait may not be combined with --no-block."); | |
620 | ||
621 | if (with_trigger) | |
622 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
623 | "--wait may not be combined with path, socket or timer operations."); | |
624 | ||
625 | if (arg_scope) | |
626 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
627 | "--wait may not be combined with --scope."); | |
628 | } | |
629 | ||
630 | return 1; | |
631 | } | |
632 | ||
633 | static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) { | |
634 | int r; | |
635 | ||
636 | r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description); | |
637 | if (r < 0) | |
638 | return bus_log_create_error(r); | |
639 | ||
640 | if (arg_aggressive_gc) { | |
641 | r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed"); | |
642 | if (r < 0) | |
643 | return bus_log_create_error(r); | |
644 | } | |
645 | ||
646 | return bus_append_unit_property_assignment_many(m, t, properties); | |
647 | } | |
648 | ||
649 | static int transient_cgroup_set_properties(sd_bus_message *m) { | |
650 | _cleanup_free_ char *name = NULL; | |
651 | _cleanup_free_ char *slice = NULL; | |
652 | int r; | |
653 | assert(m); | |
654 | ||
655 | if (arg_slice_inherit) { | |
656 | char *end; | |
657 | ||
658 | if (arg_user) | |
659 | r = cg_pid_get_user_slice(0, &name); | |
660 | else | |
661 | r = cg_pid_get_slice(0, &name); | |
662 | if (r < 0) | |
663 | return log_error_errno(r, "Failed to get PID slice: %m"); | |
664 | ||
665 | end = endswith(name, ".slice"); | |
666 | if (!end) | |
667 | return -ENXIO; | |
668 | *end = 0; | |
669 | } | |
670 | ||
671 | if (!isempty(arg_slice) && !strextend_with_separator(&name, "-", arg_slice)) | |
672 | return log_oom(); | |
673 | ||
674 | if (!name) | |
675 | return 0; | |
676 | ||
677 | r = unit_name_mangle_with_suffix(name, "as slice", | |
678 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
679 | ".slice", &slice); | |
680 | if (r < 0) | |
681 | return log_error_errno(r, "Failed to mangle name '%s': %m", arg_slice); | |
682 | ||
683 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); | |
684 | if (r < 0) | |
685 | return bus_log_create_error(r); | |
686 | ||
687 | return 0; | |
688 | } | |
689 | ||
690 | static int transient_kill_set_properties(sd_bus_message *m) { | |
691 | int r; | |
692 | ||
693 | assert(m); | |
694 | ||
695 | if (arg_send_sighup) { | |
696 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup); | |
697 | if (r < 0) | |
698 | return bus_log_create_error(r); | |
699 | } | |
700 | ||
701 | return 0; | |
702 | } | |
703 | ||
704 | static int transient_service_set_properties(sd_bus_message *m, const char *pty_path) { | |
705 | bool send_term = false; | |
706 | int r; | |
707 | ||
708 | assert(m); | |
709 | ||
710 | r = transient_unit_set_properties(m, UNIT_SERVICE, arg_property); | |
711 | if (r < 0) | |
712 | return r; | |
713 | ||
714 | r = transient_kill_set_properties(m); | |
715 | if (r < 0) | |
716 | return r; | |
717 | ||
718 | r = transient_cgroup_set_properties(m); | |
719 | if (r < 0) | |
720 | return r; | |
721 | ||
722 | if (arg_wait || arg_stdio != ARG_STDIO_NONE) { | |
723 | r = sd_bus_message_append(m, "(sv)", "AddRef", "b", 1); | |
724 | if (r < 0) | |
725 | return bus_log_create_error(r); | |
726 | } | |
727 | ||
728 | if (arg_remain_after_exit) { | |
729 | r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit); | |
730 | if (r < 0) | |
731 | return bus_log_create_error(r); | |
732 | } | |
733 | ||
734 | if (arg_service_type) { | |
735 | r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type); | |
736 | if (r < 0) | |
737 | return bus_log_create_error(r); | |
738 | } | |
739 | ||
740 | if (arg_exec_user) { | |
741 | r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user); | |
742 | if (r < 0) | |
743 | return bus_log_create_error(r); | |
744 | } | |
745 | ||
746 | if (arg_exec_group) { | |
747 | r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group); | |
748 | if (r < 0) | |
749 | return bus_log_create_error(r); | |
750 | } | |
751 | ||
752 | if (arg_nice_set) { | |
753 | r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice); | |
754 | if (r < 0) | |
755 | return bus_log_create_error(r); | |
756 | } | |
757 | ||
758 | if (arg_working_directory) { | |
759 | r = sd_bus_message_append(m, "(sv)", "WorkingDirectory", "s", arg_working_directory); | |
760 | if (r < 0) | |
761 | return bus_log_create_error(r); | |
762 | } | |
763 | ||
764 | if (pty_path) { | |
765 | r = sd_bus_message_append(m, | |
766 | "(sv)(sv)(sv)(sv)", | |
767 | "StandardInput", "s", "tty", | |
768 | "StandardOutput", "s", "tty", | |
769 | "StandardError", "s", "tty", | |
770 | "TTYPath", "s", pty_path); | |
771 | if (r < 0) | |
772 | return bus_log_create_error(r); | |
773 | ||
774 | send_term = true; | |
775 | ||
776 | } else if (arg_stdio == ARG_STDIO_DIRECT) { | |
777 | r = sd_bus_message_append(m, | |
778 | "(sv)(sv)(sv)", | |
779 | "StandardInputFileDescriptor", "h", STDIN_FILENO, | |
780 | "StandardOutputFileDescriptor", "h", STDOUT_FILENO, | |
781 | "StandardErrorFileDescriptor", "h", STDERR_FILENO); | |
782 | if (r < 0) | |
783 | return bus_log_create_error(r); | |
784 | ||
785 | send_term = isatty(STDIN_FILENO) || isatty(STDOUT_FILENO) || isatty(STDERR_FILENO); | |
786 | } | |
787 | ||
788 | if (send_term) { | |
789 | const char *e; | |
790 | ||
791 | e = getenv("TERM"); | |
792 | if (e) { | |
793 | _cleanup_free_ char *n = NULL; | |
794 | ||
795 | n = strjoin("TERM=", e); | |
796 | if (!n) | |
797 | return log_oom(); | |
798 | ||
799 | r = sd_bus_message_append(m, | |
800 | "(sv)", | |
801 | "Environment", "as", 1, n); | |
802 | if (r < 0) | |
803 | return bus_log_create_error(r); | |
804 | } | |
805 | } | |
806 | ||
807 | if (!strv_isempty(arg_environment)) { | |
808 | r = sd_bus_message_open_container(m, 'r', "sv"); | |
809 | if (r < 0) | |
810 | return bus_log_create_error(r); | |
811 | ||
812 | r = sd_bus_message_append(m, "s", "Environment"); | |
813 | if (r < 0) | |
814 | return bus_log_create_error(r); | |
815 | ||
816 | r = sd_bus_message_open_container(m, 'v', "as"); | |
817 | if (r < 0) | |
818 | return bus_log_create_error(r); | |
819 | ||
820 | r = sd_bus_message_append_strv(m, arg_environment); | |
821 | if (r < 0) | |
822 | return bus_log_create_error(r); | |
823 | ||
824 | r = sd_bus_message_close_container(m); | |
825 | if (r < 0) | |
826 | return bus_log_create_error(r); | |
827 | ||
828 | r = sd_bus_message_close_container(m); | |
829 | if (r < 0) | |
830 | return bus_log_create_error(r); | |
831 | } | |
832 | ||
833 | /* Exec container */ | |
834 | if (!strv_isempty(arg_cmdline)) { | |
835 | r = sd_bus_message_open_container(m, 'r', "sv"); | |
836 | if (r < 0) | |
837 | return bus_log_create_error(r); | |
838 | ||
839 | r = sd_bus_message_append(m, "s", "ExecStart"); | |
840 | if (r < 0) | |
841 | return bus_log_create_error(r); | |
842 | ||
843 | r = sd_bus_message_open_container(m, 'v', "a(sasb)"); | |
844 | if (r < 0) | |
845 | return bus_log_create_error(r); | |
846 | ||
847 | r = sd_bus_message_open_container(m, 'a', "(sasb)"); | |
848 | if (r < 0) | |
849 | return bus_log_create_error(r); | |
850 | ||
851 | r = sd_bus_message_open_container(m, 'r', "sasb"); | |
852 | if (r < 0) | |
853 | return bus_log_create_error(r); | |
854 | ||
855 | r = sd_bus_message_append(m, "s", arg_cmdline[0]); | |
856 | if (r < 0) | |
857 | return bus_log_create_error(r); | |
858 | ||
859 | r = sd_bus_message_append_strv(m, arg_cmdline); | |
860 | if (r < 0) | |
861 | return bus_log_create_error(r); | |
862 | ||
863 | r = sd_bus_message_append(m, "b", false); | |
864 | if (r < 0) | |
865 | return bus_log_create_error(r); | |
866 | ||
867 | r = sd_bus_message_close_container(m); | |
868 | if (r < 0) | |
869 | return bus_log_create_error(r); | |
870 | ||
871 | r = sd_bus_message_close_container(m); | |
872 | if (r < 0) | |
873 | return bus_log_create_error(r); | |
874 | ||
875 | r = sd_bus_message_close_container(m); | |
876 | if (r < 0) | |
877 | return bus_log_create_error(r); | |
878 | ||
879 | r = sd_bus_message_close_container(m); | |
880 | if (r < 0) | |
881 | return bus_log_create_error(r); | |
882 | } | |
883 | ||
884 | return 0; | |
885 | } | |
886 | ||
887 | static int transient_scope_set_properties(sd_bus_message *m) { | |
888 | int r; | |
889 | ||
890 | assert(m); | |
891 | ||
892 | r = transient_unit_set_properties(m, UNIT_SCOPE, arg_property); | |
893 | if (r < 0) | |
894 | return r; | |
895 | ||
896 | r = transient_kill_set_properties(m); | |
897 | if (r < 0) | |
898 | return r; | |
899 | ||
900 | r = transient_cgroup_set_properties(m); | |
901 | if (r < 0) | |
902 | return r; | |
903 | ||
904 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid_cached()); | |
905 | if (r < 0) | |
906 | return bus_log_create_error(r); | |
907 | ||
908 | return 0; | |
909 | } | |
910 | ||
911 | static int transient_timer_set_properties(sd_bus_message *m) { | |
912 | int r; | |
913 | ||
914 | assert(m); | |
915 | ||
916 | r = transient_unit_set_properties(m, UNIT_TIMER, arg_timer_property); | |
917 | if (r < 0) | |
918 | return r; | |
919 | ||
920 | /* Automatically clean up our transient timers */ | |
921 | r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false); | |
922 | if (r < 0) | |
923 | return bus_log_create_error(r); | |
924 | ||
925 | return 0; | |
926 | } | |
927 | ||
928 | static int make_unit_name(sd_bus *bus, UnitType t, char **ret) { | |
929 | const char *unique, *id; | |
930 | char *p; | |
931 | int r; | |
932 | ||
933 | assert(bus); | |
934 | assert(t >= 0); | |
935 | assert(t < _UNIT_TYPE_MAX); | |
936 | ||
937 | r = sd_bus_get_unique_name(bus, &unique); | |
938 | if (r < 0) { | |
939 | sd_id128_t rnd; | |
940 | ||
941 | /* We couldn't get the unique name, which is a pretty | |
942 | * common case if we are connected to systemd | |
943 | * directly. In that case, just pick a random uuid as | |
944 | * name */ | |
945 | ||
946 | r = sd_id128_randomize(&rnd); | |
947 | if (r < 0) | |
948 | return log_error_errno(r, "Failed to generate random run unit name: %m"); | |
949 | ||
950 | if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0) | |
951 | return log_oom(); | |
952 | ||
953 | return 0; | |
954 | } | |
955 | ||
956 | /* We managed to get the unique name, then let's use that to name our transient units. */ | |
957 | ||
958 | id = startswith(unique, ":1."); /* let' strip the usual prefix */ | |
959 | if (!id) | |
960 | id = startswith(unique, ":"); /* the spec only requires things to start with a colon, hence | |
961 | * let's add a generic fallback for that. */ | |
962 | if (!id) | |
963 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
964 | "Unique name %s has unexpected format.", | |
965 | unique); | |
966 | ||
967 | p = strjoin("run-u", id, ".", unit_type_to_string(t)); | |
968 | if (!p) | |
969 | return log_oom(); | |
970 | ||
971 | *ret = p; | |
972 | return 0; | |
973 | } | |
974 | ||
975 | typedef struct RunContext { | |
976 | sd_bus *bus; | |
977 | sd_event *event; | |
978 | PTYForward *forward; | |
979 | sd_bus_slot *match; | |
980 | ||
981 | /* Current state of the unit */ | |
982 | char *active_state; | |
983 | bool has_job; | |
984 | ||
985 | /* The exit data of the unit */ | |
986 | uint64_t inactive_exit_usec; | |
987 | uint64_t inactive_enter_usec; | |
988 | char *result; | |
989 | uint64_t cpu_usage_nsec; | |
990 | uint64_t ip_ingress_bytes; | |
991 | uint64_t ip_egress_bytes; | |
992 | uint64_t io_read_bytes; | |
993 | uint64_t io_write_bytes; | |
994 | uint32_t exit_code; | |
995 | uint32_t exit_status; | |
996 | } RunContext; | |
997 | ||
998 | static void run_context_free(RunContext *c) { | |
999 | assert(c); | |
1000 | ||
1001 | c->forward = pty_forward_free(c->forward); | |
1002 | c->match = sd_bus_slot_unref(c->match); | |
1003 | c->bus = sd_bus_unref(c->bus); | |
1004 | c->event = sd_event_unref(c->event); | |
1005 | ||
1006 | free(c->active_state); | |
1007 | free(c->result); | |
1008 | } | |
1009 | ||
1010 | static void run_context_check_done(RunContext *c) { | |
1011 | bool done; | |
1012 | ||
1013 | assert(c); | |
1014 | ||
1015 | if (c->match) | |
1016 | done = STRPTR_IN_SET(c->active_state, "inactive", "failed") && !c->has_job; | |
1017 | else | |
1018 | done = true; | |
1019 | ||
1020 | if (c->forward && done) /* If the service is gone, it's time to drain the output */ | |
1021 | done = pty_forward_drain(c->forward); | |
1022 | ||
1023 | if (done) | |
1024 | sd_event_exit(c->event, EXIT_SUCCESS); | |
1025 | } | |
1026 | ||
1027 | static int map_job(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
1028 | bool *b = userdata; | |
1029 | const char *job; | |
1030 | uint32_t id; | |
1031 | int r; | |
1032 | ||
1033 | r = sd_bus_message_read(m, "(uo)", &id, &job); | |
1034 | if (r < 0) | |
1035 | return r; | |
1036 | ||
1037 | *b = id != 0 || !streq(job, "/"); | |
1038 | return 0; | |
1039 | } | |
1040 | ||
1041 | static int run_context_update(RunContext *c, const char *path) { | |
1042 | ||
1043 | static const struct bus_properties_map map[] = { | |
1044 | { "ActiveState", "s", NULL, offsetof(RunContext, active_state) }, | |
1045 | { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_exit_usec) }, | |
1046 | { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_enter_usec) }, | |
1047 | { "Result", "s", NULL, offsetof(RunContext, result) }, | |
1048 | { "ExecMainCode", "i", NULL, offsetof(RunContext, exit_code) }, | |
1049 | { "ExecMainStatus", "i", NULL, offsetof(RunContext, exit_status) }, | |
1050 | { "CPUUsageNSec", "t", NULL, offsetof(RunContext, cpu_usage_nsec) }, | |
1051 | { "IPIngressBytes", "t", NULL, offsetof(RunContext, ip_ingress_bytes) }, | |
1052 | { "IPEgressBytes", "t", NULL, offsetof(RunContext, ip_egress_bytes) }, | |
1053 | { "IOReadBytes", "t", NULL, offsetof(RunContext, io_read_bytes) }, | |
1054 | { "IOWriteBytes", "t", NULL, offsetof(RunContext, io_write_bytes) }, | |
1055 | { "Job", "(uo)", map_job, offsetof(RunContext, has_job) }, | |
1056 | {} | |
1057 | }; | |
1058 | ||
1059 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1060 | int r; | |
1061 | ||
1062 | r = bus_map_all_properties(c->bus, | |
1063 | "org.freedesktop.systemd1", | |
1064 | path, | |
1065 | map, | |
1066 | BUS_MAP_STRDUP, | |
1067 | &error, | |
1068 | NULL, | |
1069 | c); | |
1070 | if (r < 0) { | |
1071 | sd_event_exit(c->event, EXIT_FAILURE); | |
1072 | return log_error_errno(r, "Failed to query unit state: %s", bus_error_message(&error, r)); | |
1073 | } | |
1074 | ||
1075 | run_context_check_done(c); | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1080 | RunContext *c = ASSERT_PTR(userdata); | |
1081 | ||
1082 | assert(m); | |
1083 | ||
1084 | return run_context_update(c, sd_bus_message_get_path(m)); | |
1085 | } | |
1086 | ||
1087 | static int pty_forward_handler(PTYForward *f, int rcode, void *userdata) { | |
1088 | RunContext *c = userdata; | |
1089 | ||
1090 | assert(f); | |
1091 | ||
1092 | if (rcode < 0) { | |
1093 | sd_event_exit(c->event, EXIT_FAILURE); | |
1094 | return log_error_errno(rcode, "Error on PTY forwarding logic: %m"); | |
1095 | } | |
1096 | ||
1097 | run_context_check_done(c); | |
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | static int start_transient_service( | |
1102 | sd_bus *bus, | |
1103 | int *retval) { | |
1104 | ||
1105 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
1106 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1107 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
1108 | _cleanup_free_ char *service = NULL, *pty_path = NULL; | |
1109 | _cleanup_close_ int master = -1; | |
1110 | int r; | |
1111 | ||
1112 | assert(bus); | |
1113 | assert(retval); | |
1114 | ||
1115 | if (arg_stdio == ARG_STDIO_PTY) { | |
1116 | ||
1117 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
1118 | master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK); | |
1119 | if (master < 0) | |
1120 | return log_error_errno(errno, "Failed to acquire pseudo tty: %m"); | |
1121 | ||
1122 | r = ptsname_malloc(master, &pty_path); | |
1123 | if (r < 0) | |
1124 | return log_error_errno(r, "Failed to determine tty name: %m"); | |
1125 | ||
1126 | if (unlockpt(master) < 0) | |
1127 | return log_error_errno(errno, "Failed to unlock tty: %m"); | |
1128 | ||
1129 | } else if (arg_transport == BUS_TRANSPORT_MACHINE) { | |
1130 | _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL; | |
1131 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL; | |
1132 | const char *s; | |
1133 | ||
1134 | r = sd_bus_default_system(&system_bus); | |
1135 | if (r < 0) | |
1136 | return log_error_errno(r, "Failed to connect to system bus: %m"); | |
1137 | ||
1138 | r = sd_bus_call_method(system_bus, | |
1139 | "org.freedesktop.machine1", | |
1140 | "/org/freedesktop/machine1", | |
1141 | "org.freedesktop.machine1.Manager", | |
1142 | "OpenMachinePTY", | |
1143 | &error, | |
1144 | &pty_reply, | |
1145 | "s", arg_host); | |
1146 | if (r < 0) | |
1147 | return log_error_errno(r, "Failed to get machine PTY: %s", bus_error_message(&error, r)); | |
1148 | ||
1149 | r = sd_bus_message_read(pty_reply, "hs", &master, &s); | |
1150 | if (r < 0) | |
1151 | return bus_log_parse_error(r); | |
1152 | ||
1153 | master = fcntl(master, F_DUPFD_CLOEXEC, 3); | |
1154 | if (master < 0) | |
1155 | return log_error_errno(errno, "Failed to duplicate master fd: %m"); | |
1156 | ||
1157 | pty_path = strdup(s); | |
1158 | if (!pty_path) | |
1159 | return log_oom(); | |
1160 | } else | |
1161 | assert_not_reached(); | |
1162 | } | |
1163 | ||
1164 | /* Optionally, wait for the start job to complete. If we are supposed to read the service's stdin | |
1165 | * lets skip this however, because we should start that already when the start job is running, and | |
1166 | * there's little point in waiting for the start job to complete in that case anyway, as we'll wait | |
1167 | * for EOF anyway, which is going to be much later. */ | |
1168 | if (!arg_no_block && arg_stdio == ARG_STDIO_NONE) { | |
1169 | r = bus_wait_for_jobs_new(bus, &w); | |
1170 | if (r < 0) | |
1171 | return log_error_errno(r, "Could not watch jobs: %m"); | |
1172 | } | |
1173 | ||
1174 | if (arg_unit) { | |
1175 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", | |
1176 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1177 | ".service", &service); | |
1178 | if (r < 0) | |
1179 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
1180 | } else { | |
1181 | r = make_unit_name(bus, UNIT_SERVICE, &service); | |
1182 | if (r < 0) | |
1183 | return r; | |
1184 | } | |
1185 | ||
1186 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); | |
1187 | if (r < 0) | |
1188 | return bus_log_create_error(r); | |
1189 | ||
1190 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
1191 | if (r < 0) | |
1192 | return bus_log_create_error(r); | |
1193 | ||
1194 | /* Name and mode */ | |
1195 | r = sd_bus_message_append(m, "ss", service, "fail"); | |
1196 | if (r < 0) | |
1197 | return bus_log_create_error(r); | |
1198 | ||
1199 | /* Properties */ | |
1200 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1201 | if (r < 0) | |
1202 | return bus_log_create_error(r); | |
1203 | ||
1204 | r = transient_service_set_properties(m, pty_path); | |
1205 | if (r < 0) | |
1206 | return r; | |
1207 | ||
1208 | r = sd_bus_message_close_container(m); | |
1209 | if (r < 0) | |
1210 | return bus_log_create_error(r); | |
1211 | ||
1212 | /* Auxiliary units */ | |
1213 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
1214 | if (r < 0) | |
1215 | return bus_log_create_error(r); | |
1216 | ||
1217 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
1218 | ||
1219 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1220 | if (r < 0) | |
1221 | return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r)); | |
1222 | ||
1223 | if (w) { | |
1224 | const char *object; | |
1225 | ||
1226 | r = sd_bus_message_read(reply, "o", &object); | |
1227 | if (r < 0) | |
1228 | return bus_log_parse_error(r); | |
1229 | ||
1230 | r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL); | |
1231 | if (r < 0) | |
1232 | return r; | |
1233 | } | |
1234 | ||
1235 | if (!arg_quiet) | |
1236 | log_info("Running as unit: %s", service); | |
1237 | ||
1238 | if (arg_wait || arg_stdio != ARG_STDIO_NONE) { | |
1239 | _cleanup_(run_context_free) RunContext c = { | |
1240 | .cpu_usage_nsec = NSEC_INFINITY, | |
1241 | .ip_ingress_bytes = UINT64_MAX, | |
1242 | .ip_egress_bytes = UINT64_MAX, | |
1243 | .io_read_bytes = UINT64_MAX, | |
1244 | .io_write_bytes = UINT64_MAX, | |
1245 | .inactive_exit_usec = USEC_INFINITY, | |
1246 | .inactive_enter_usec = USEC_INFINITY, | |
1247 | }; | |
1248 | _cleanup_free_ char *path = NULL; | |
1249 | ||
1250 | c.bus = sd_bus_ref(bus); | |
1251 | ||
1252 | r = sd_event_default(&c.event); | |
1253 | if (r < 0) | |
1254 | return log_error_errno(r, "Failed to get event loop: %m"); | |
1255 | ||
1256 | if (master >= 0) { | |
1257 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0); | |
1258 | (void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL); | |
1259 | (void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL); | |
1260 | ||
1261 | if (!arg_quiet) | |
1262 | log_info("Press ^] three times within 1s to disconnect TTY."); | |
1263 | ||
1264 | r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward); | |
1265 | if (r < 0) | |
1266 | return log_error_errno(r, "Failed to create PTY forwarder: %m"); | |
1267 | ||
1268 | pty_forward_set_handler(c.forward, pty_forward_handler, &c); | |
1269 | ||
1270 | /* Make sure to process any TTY events before we process bus events */ | |
1271 | (void) pty_forward_set_priority(c.forward, SD_EVENT_PRIORITY_IMPORTANT); | |
1272 | } | |
1273 | ||
1274 | path = unit_dbus_path_from_name(service); | |
1275 | if (!path) | |
1276 | return log_oom(); | |
1277 | ||
1278 | r = sd_bus_match_signal_async( | |
1279 | bus, | |
1280 | &c.match, | |
1281 | "org.freedesktop.systemd1", | |
1282 | path, | |
1283 | "org.freedesktop.DBus.Properties", | |
1284 | "PropertiesChanged", | |
1285 | on_properties_changed, NULL, &c); | |
1286 | if (r < 0) | |
1287 | return log_error_errno(r, "Failed to request properties changed signal match: %m"); | |
1288 | ||
1289 | r = sd_bus_attach_event(bus, c.event, SD_EVENT_PRIORITY_NORMAL); | |
1290 | if (r < 0) | |
1291 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1292 | ||
1293 | r = run_context_update(&c, path); | |
1294 | if (r < 0) | |
1295 | return r; | |
1296 | ||
1297 | r = sd_event_loop(c.event); | |
1298 | if (r < 0) | |
1299 | return log_error_errno(r, "Failed to run event loop: %m"); | |
1300 | ||
1301 | if (c.forward) { | |
1302 | char last_char = 0; | |
1303 | ||
1304 | r = pty_forward_get_last_char(c.forward, &last_char); | |
1305 | if (r >= 0 && !arg_quiet && last_char != '\n') | |
1306 | fputc('\n', stdout); | |
1307 | } | |
1308 | ||
1309 | if (arg_wait && !arg_quiet) { | |
1310 | ||
1311 | /* Explicitly destroy the PTY forwarder, so that the PTY device is usable again, with its | |
1312 | * original settings (i.e. proper line breaks), so that we can show the summary in a pretty | |
1313 | * way. */ | |
1314 | c.forward = pty_forward_free(c.forward); | |
1315 | ||
1316 | if (!isempty(c.result)) | |
1317 | log_info("Finished with result: %s", strna(c.result)); | |
1318 | ||
1319 | if (c.exit_code == CLD_EXITED) | |
1320 | log_info("Main processes terminated with: code=%s/status=%u", | |
1321 | sigchld_code_to_string(c.exit_code), c.exit_status); | |
1322 | else if (c.exit_code > 0) | |
1323 | log_info("Main processes terminated with: code=%s/status=%s", | |
1324 | sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status)); | |
1325 | ||
1326 | if (timestamp_is_set(c.inactive_enter_usec) && | |
1327 | timestamp_is_set(c.inactive_exit_usec) && | |
1328 | c.inactive_enter_usec > c.inactive_exit_usec) | |
1329 | log_info("Service runtime: %s", | |
1330 | FORMAT_TIMESPAN(c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC)); | |
1331 | ||
1332 | if (c.cpu_usage_nsec != NSEC_INFINITY) | |
1333 | log_info("CPU time consumed: %s", | |
1334 | FORMAT_TIMESPAN(DIV_ROUND_UP(c.cpu_usage_nsec, NSEC_PER_USEC), USEC_PER_MSEC)); | |
1335 | ||
1336 | if (c.ip_ingress_bytes != UINT64_MAX) | |
1337 | log_info("IP traffic received: %s", FORMAT_BYTES(c.ip_ingress_bytes)); | |
1338 | ||
1339 | if (c.ip_egress_bytes != UINT64_MAX) | |
1340 | log_info("IP traffic sent: %s", FORMAT_BYTES(c.ip_egress_bytes)); | |
1341 | ||
1342 | if (c.io_read_bytes != UINT64_MAX) | |
1343 | log_info("IO bytes read: %s", FORMAT_BYTES(c.io_read_bytes)); | |
1344 | ||
1345 | if (c.io_write_bytes != UINT64_MAX) | |
1346 | log_info("IO bytes written: %s", FORMAT_BYTES(c.io_write_bytes)); | |
1347 | } | |
1348 | ||
1349 | /* Try to propagate the service's return value. But if the service defines | |
1350 | * e.g. SuccessExitStatus, honour this, and return 0 to mean "success". */ | |
1351 | if (streq_ptr(c.result, "success")) | |
1352 | *retval = 0; | |
1353 | else if (streq_ptr(c.result, "exit-code") && c.exit_status > 0) | |
1354 | *retval = c.exit_status; | |
1355 | else if (streq_ptr(c.result, "signal")) | |
1356 | *retval = EXIT_EXCEPTION; | |
1357 | else | |
1358 | *retval = EXIT_FAILURE; | |
1359 | } | |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | static int acquire_invocation_id(sd_bus *bus, sd_id128_t *ret) { | |
1365 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1366 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1367 | const void *p; | |
1368 | size_t l; | |
1369 | int r; | |
1370 | ||
1371 | assert(bus); | |
1372 | assert(ret); | |
1373 | ||
1374 | r = sd_bus_get_property(bus, | |
1375 | "org.freedesktop.systemd1", | |
1376 | "/org/freedesktop/systemd1/unit/self", | |
1377 | "org.freedesktop.systemd1.Unit", | |
1378 | "InvocationID", | |
1379 | &error, | |
1380 | &reply, | |
1381 | "ay"); | |
1382 | if (r < 0) | |
1383 | return log_error_errno(r, "Failed to request invocation ID for scope: %s", bus_error_message(&error, r)); | |
1384 | ||
1385 | r = sd_bus_message_read_array(reply, 'y', &p, &l); | |
1386 | if (r < 0) | |
1387 | return bus_log_parse_error(r); | |
1388 | ||
1389 | if (l != sizeof(sd_id128_t)) | |
1390 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid UUID size, %zu != %zu.", l, sizeof(sd_id128_t)); | |
1391 | ||
1392 | memcpy(ret, p, l); | |
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | static int start_transient_scope(sd_bus *bus) { | |
1397 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1398 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
1399 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
1400 | _cleanup_strv_free_ char **env = NULL, **user_env = NULL; | |
1401 | _cleanup_free_ char *scope = NULL; | |
1402 | const char *object = NULL; | |
1403 | sd_id128_t invocation_id; | |
1404 | int r; | |
1405 | ||
1406 | assert(bus); | |
1407 | assert(!strv_isempty(arg_cmdline)); | |
1408 | ||
1409 | r = bus_wait_for_jobs_new(bus, &w); | |
1410 | if (r < 0) | |
1411 | return log_oom(); | |
1412 | ||
1413 | if (arg_unit) { | |
1414 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", | |
1415 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1416 | ".scope", &scope); | |
1417 | if (r < 0) | |
1418 | return log_error_errno(r, "Failed to mangle scope name: %m"); | |
1419 | } else { | |
1420 | r = make_unit_name(bus, UNIT_SCOPE, &scope); | |
1421 | if (r < 0) | |
1422 | return r; | |
1423 | } | |
1424 | ||
1425 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); | |
1426 | if (r < 0) | |
1427 | return bus_log_create_error(r); | |
1428 | ||
1429 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
1430 | if (r < 0) | |
1431 | return bus_log_create_error(r); | |
1432 | ||
1433 | /* Name and Mode */ | |
1434 | r = sd_bus_message_append(m, "ss", scope, "fail"); | |
1435 | if (r < 0) | |
1436 | return bus_log_create_error(r); | |
1437 | ||
1438 | /* Properties */ | |
1439 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1440 | if (r < 0) | |
1441 | return bus_log_create_error(r); | |
1442 | ||
1443 | r = transient_scope_set_properties(m); | |
1444 | if (r < 0) | |
1445 | return r; | |
1446 | ||
1447 | r = sd_bus_message_close_container(m); | |
1448 | if (r < 0) | |
1449 | return bus_log_create_error(r); | |
1450 | ||
1451 | /* Auxiliary units */ | |
1452 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
1453 | if (r < 0) | |
1454 | return bus_log_create_error(r); | |
1455 | ||
1456 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
1457 | ||
1458 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1459 | if (r < 0) | |
1460 | return log_error_errno(r, "Failed to start transient scope unit: %s", bus_error_message(&error, r)); | |
1461 | ||
1462 | r = sd_bus_message_read(reply, "o", &object); | |
1463 | if (r < 0) | |
1464 | return bus_log_parse_error(r); | |
1465 | ||
1466 | r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL); | |
1467 | if (r < 0) | |
1468 | return r; | |
1469 | ||
1470 | r = acquire_invocation_id(bus, &invocation_id); | |
1471 | if (r < 0) | |
1472 | return r; | |
1473 | ||
1474 | r = strv_extendf(&user_env, "INVOCATION_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(invocation_id)); | |
1475 | if (r < 0) | |
1476 | return log_oom(); | |
1477 | ||
1478 | if (arg_nice_set) { | |
1479 | if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0) | |
1480 | return log_error_errno(errno, "Failed to set nice level: %m"); | |
1481 | } | |
1482 | ||
1483 | if (arg_exec_group) { | |
1484 | gid_t gid; | |
1485 | ||
1486 | r = get_group_creds(&arg_exec_group, &gid, 0); | |
1487 | if (r < 0) | |
1488 | return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group); | |
1489 | ||
1490 | if (setresgid(gid, gid, gid) < 0) | |
1491 | return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid); | |
1492 | } | |
1493 | ||
1494 | if (arg_exec_user) { | |
1495 | const char *home, *shell; | |
1496 | uid_t uid; | |
1497 | gid_t gid; | |
1498 | ||
1499 | r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell, USER_CREDS_CLEAN|USER_CREDS_PREFER_NSS); | |
1500 | if (r < 0) | |
1501 | return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user); | |
1502 | ||
1503 | if (home) { | |
1504 | r = strv_extendf(&user_env, "HOME=%s", home); | |
1505 | if (r < 0) | |
1506 | return log_oom(); | |
1507 | } | |
1508 | ||
1509 | if (shell) { | |
1510 | r = strv_extendf(&user_env, "SHELL=%s", shell); | |
1511 | if (r < 0) | |
1512 | return log_oom(); | |
1513 | } | |
1514 | ||
1515 | r = strv_extendf(&user_env, "USER=%s", arg_exec_user); | |
1516 | if (r < 0) | |
1517 | return log_oom(); | |
1518 | ||
1519 | r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user); | |
1520 | if (r < 0) | |
1521 | return log_oom(); | |
1522 | ||
1523 | if (!arg_exec_group) { | |
1524 | if (setresgid(gid, gid, gid) < 0) | |
1525 | return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid); | |
1526 | } | |
1527 | ||
1528 | if (setresuid(uid, uid, uid) < 0) | |
1529 | return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid); | |
1530 | } | |
1531 | ||
1532 | env = strv_env_merge(environ, user_env, arg_environment); | |
1533 | if (!env) | |
1534 | return log_oom(); | |
1535 | ||
1536 | if (!arg_quiet) | |
1537 | log_info("Running scope as unit: %s", scope); | |
1538 | ||
1539 | execvpe(arg_cmdline[0], arg_cmdline, env); | |
1540 | ||
1541 | return log_error_errno(errno, "Failed to execute: %m"); | |
1542 | } | |
1543 | ||
1544 | static int start_transient_trigger( | |
1545 | sd_bus *bus, | |
1546 | const char *suffix) { | |
1547 | ||
1548 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1549 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; | |
1550 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
1551 | _cleanup_free_ char *trigger = NULL, *service = NULL; | |
1552 | const char *object = NULL; | |
1553 | int r; | |
1554 | ||
1555 | assert(bus); | |
1556 | ||
1557 | r = bus_wait_for_jobs_new(bus, &w); | |
1558 | if (r < 0) | |
1559 | return log_oom(); | |
1560 | ||
1561 | if (arg_unit) { | |
1562 | switch (unit_name_to_type(arg_unit)) { | |
1563 | ||
1564 | case UNIT_SERVICE: | |
1565 | service = strdup(arg_unit); | |
1566 | if (!service) | |
1567 | return log_oom(); | |
1568 | ||
1569 | r = unit_name_change_suffix(service, suffix, &trigger); | |
1570 | if (r < 0) | |
1571 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
1572 | break; | |
1573 | ||
1574 | case UNIT_TIMER: | |
1575 | trigger = strdup(arg_unit); | |
1576 | if (!trigger) | |
1577 | return log_oom(); | |
1578 | ||
1579 | r = unit_name_change_suffix(trigger, ".service", &service); | |
1580 | if (r < 0) | |
1581 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
1582 | break; | |
1583 | ||
1584 | default: | |
1585 | r = unit_name_mangle_with_suffix(arg_unit, "as unit", | |
1586 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1587 | ".service", &service); | |
1588 | if (r < 0) | |
1589 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
1590 | ||
1591 | r = unit_name_mangle_with_suffix(arg_unit, "as trigger", | |
1592 | arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, | |
1593 | suffix, &trigger); | |
1594 | if (r < 0) | |
1595 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
1596 | ||
1597 | break; | |
1598 | } | |
1599 | } else { | |
1600 | r = make_unit_name(bus, UNIT_SERVICE, &service); | |
1601 | if (r < 0) | |
1602 | return r; | |
1603 | ||
1604 | r = unit_name_change_suffix(service, suffix, &trigger); | |
1605 | if (r < 0) | |
1606 | return log_error_errno(r, "Failed to change unit suffix: %m"); | |
1607 | } | |
1608 | ||
1609 | r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit"); | |
1610 | if (r < 0) | |
1611 | return bus_log_create_error(r); | |
1612 | ||
1613 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
1614 | if (r < 0) | |
1615 | return bus_log_create_error(r); | |
1616 | ||
1617 | /* Name and Mode */ | |
1618 | r = sd_bus_message_append(m, "ss", trigger, "fail"); | |
1619 | if (r < 0) | |
1620 | return bus_log_create_error(r); | |
1621 | ||
1622 | /* Properties */ | |
1623 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1624 | if (r < 0) | |
1625 | return bus_log_create_error(r); | |
1626 | ||
1627 | if (streq(suffix, ".path")) | |
1628 | r = transient_unit_set_properties(m, UNIT_PATH, arg_path_property); | |
1629 | else if (streq(suffix, ".socket")) | |
1630 | r = transient_unit_set_properties(m, UNIT_SOCKET, arg_socket_property); | |
1631 | else if (streq(suffix, ".timer")) | |
1632 | r = transient_timer_set_properties(m); | |
1633 | else | |
1634 | assert_not_reached(); | |
1635 | if (r < 0) | |
1636 | return r; | |
1637 | ||
1638 | r = sd_bus_message_close_container(m); | |
1639 | if (r < 0) | |
1640 | return bus_log_create_error(r); | |
1641 | ||
1642 | r = sd_bus_message_open_container(m, 'a', "(sa(sv))"); | |
1643 | if (r < 0) | |
1644 | return bus_log_create_error(r); | |
1645 | ||
1646 | if (!strv_isempty(arg_cmdline)) { | |
1647 | r = sd_bus_message_open_container(m, 'r', "sa(sv)"); | |
1648 | if (r < 0) | |
1649 | return bus_log_create_error(r); | |
1650 | ||
1651 | r = sd_bus_message_append(m, "s", service); | |
1652 | if (r < 0) | |
1653 | return bus_log_create_error(r); | |
1654 | ||
1655 | r = sd_bus_message_open_container(m, 'a', "(sv)"); | |
1656 | if (r < 0) | |
1657 | return bus_log_create_error(r); | |
1658 | ||
1659 | r = transient_service_set_properties(m, NULL); | |
1660 | if (r < 0) | |
1661 | return r; | |
1662 | ||
1663 | r = sd_bus_message_close_container(m); | |
1664 | if (r < 0) | |
1665 | return bus_log_create_error(r); | |
1666 | ||
1667 | r = sd_bus_message_close_container(m); | |
1668 | if (r < 0) | |
1669 | return bus_log_create_error(r); | |
1670 | } | |
1671 | ||
1672 | r = sd_bus_message_close_container(m); | |
1673 | if (r < 0) | |
1674 | return bus_log_create_error(r); | |
1675 | ||
1676 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
1677 | ||
1678 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1679 | if (r < 0) | |
1680 | return log_error_errno(r, "Failed to start transient %s unit: %s", suffix + 1, bus_error_message(&error, r)); | |
1681 | ||
1682 | r = sd_bus_message_read(reply, "o", &object); | |
1683 | if (r < 0) | |
1684 | return bus_log_parse_error(r); | |
1685 | ||
1686 | r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL); | |
1687 | if (r < 0) | |
1688 | return r; | |
1689 | ||
1690 | if (!arg_quiet) { | |
1691 | log_info("Running %s as unit: %s", suffix + 1, trigger); | |
1692 | if (!strv_isempty(arg_cmdline)) | |
1693 | log_info("Will run service as unit: %s", service); | |
1694 | } | |
1695 | ||
1696 | return 0; | |
1697 | } | |
1698 | ||
1699 | static bool shall_make_executable_absolute(void) { | |
1700 | if (strv_isempty(arg_cmdline)) | |
1701 | return false; | |
1702 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
1703 | return false; | |
1704 | ||
1705 | FOREACH_STRING(f, "RootDirectory=", "RootImage=", "ExecSearchPath=", "MountImages=", "ExtensionImages=") | |
1706 | if (strv_find_startswith(arg_property, f)) | |
1707 | return false; | |
1708 | ||
1709 | return true; | |
1710 | } | |
1711 | ||
1712 | static int run(int argc, char* argv[]) { | |
1713 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
1714 | _cleanup_free_ char *description = NULL; | |
1715 | int r, retval = EXIT_SUCCESS; | |
1716 | ||
1717 | log_show_color(true); | |
1718 | log_parse_environment(); | |
1719 | log_open(); | |
1720 | ||
1721 | r = parse_argv(argc, argv); | |
1722 | if (r <= 0) | |
1723 | return r; | |
1724 | ||
1725 | if (shall_make_executable_absolute()) { | |
1726 | /* Patch in an absolute path to fail early for user convenience, but only when we can do it | |
1727 | * (i.e. we will be running from the same file system). This also uses the user's $PATH, | |
1728 | * while we use a fixed search path in the manager. */ | |
1729 | ||
1730 | _cleanup_free_ char *command = NULL; | |
1731 | r = find_executable(arg_cmdline[0], &command); | |
1732 | if (r < 0) | |
1733 | return log_error_errno(r, "Failed to find executable %s: %m", arg_cmdline[0]); | |
1734 | ||
1735 | free_and_replace(arg_cmdline[0], command); | |
1736 | } | |
1737 | ||
1738 | if (!arg_description) { | |
1739 | description = strv_join(arg_cmdline, " "); | |
1740 | if (!description) | |
1741 | return log_oom(); | |
1742 | ||
1743 | if (arg_unit && isempty(description)) { | |
1744 | r = free_and_strdup(&description, arg_unit); | |
1745 | if (r < 0) | |
1746 | return log_oom(); | |
1747 | } | |
1748 | ||
1749 | arg_description = description; | |
1750 | } | |
1751 | ||
1752 | /* If --wait is used connect via the bus, unconditionally, as ref/unref is not supported via the limited direct | |
1753 | * connection */ | |
1754 | if (arg_wait || arg_stdio != ARG_STDIO_NONE || (arg_user && arg_transport != BUS_TRANSPORT_LOCAL)) | |
1755 | r = bus_connect_transport(arg_transport, arg_host, arg_user, &bus); | |
1756 | else | |
1757 | r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus); | |
1758 | if (r < 0) | |
1759 | return bus_log_connect_error(r, arg_transport); | |
1760 | ||
1761 | if (arg_scope) | |
1762 | r = start_transient_scope(bus); | |
1763 | else if (arg_path_property) | |
1764 | r = start_transient_trigger(bus, ".path"); | |
1765 | else if (arg_socket_property) | |
1766 | r = start_transient_trigger(bus, ".socket"); | |
1767 | else if (arg_with_timer) | |
1768 | r = start_transient_trigger(bus, ".timer"); | |
1769 | else | |
1770 | r = start_transient_service(bus, &retval); | |
1771 | if (r < 0) | |
1772 | return r; | |
1773 | ||
1774 | return retval; | |
1775 | } | |
1776 | ||
1777 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |