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Merge pull request #12946 from poettering/blockdev-tweaks
[thirdparty/systemd.git] / src / run / run.c
CommitLineData
53e1b683 1/* SPDX-License-Identifier: LGPL-2.1+ */
c2756a68 2
6c12b52e 3#include <getopt.h>
3f6fd1ba 4#include <stdio.h>
ca78ad1d
ZJS		 5#include <fcntl.h>
6#include <sys/stat.h>
7#include <sys/types.h>
c2756a68
LP		 8
9#include "sd-bus.h"
9b15b784 10#include "sd-event.h"
3f6fd1ba 11
b5efdb8a 12#include "alloc-util.h"
3f6fd1ba 13#include "bus-error.h"
20b16441 14#include "bus-unit-util.h"
40ca29a1 15#include "bus-util.h"
e45c81b8 16#include "bus-wait-for-jobs.h"
3f6fd1ba 17#include "calendarspec.h"
4de33e7f 18#include "env-util.h"
3ffd4af2 19#include "fd-util.h"
f97b34a6 20#include "format-util.h"
ef08ad7a 21#include "main-func.h"
cf0fbc49 22#include "parse-util.h"
4bcc8c3c 23#include "path-util.h"
294bf0c3 24#include "pretty-print.h"
2a453c2e 25#include "process-util.h"
9b15b784 26#include "ptyfwd.h"
24882e06 27#include "signal-util.h"
8c7db2fb 28#include "spawn-polkit-agent.h"
3f6fd1ba 29#include "strv.h"
66cb2fde 30#include "terminal-util.h"
89ada3ba 31#include "unit-def.h"
3f6fd1ba 32#include "unit-name.h"
b1d4f8e1 33#include "user-util.h"
c2756a68 34
8c7db2fb 35static bool arg_ask_password = true;
6c12b52e 36static bool arg_scope = false;
6577c7ce 37static bool arg_remain_after_exit = false;
3d161f99 38static bool arg_no_block = false;
2a453c2e 39static bool arg_wait = false;
6c12b52e 40static const char *arg_unit = NULL;
9f2e86af 41static const char *arg_description = NULL;
c221420b 42static const char *arg_slice = NULL;
a6c0353b 43static bool arg_send_sighup = false;
d21ed1ea 44static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
1ac67edb 45static const char *arg_host = NULL;
d21ed1ea 46static bool arg_user = false;
c7040b5d
LP		 47static const char *arg_service_type = NULL;
48static const char *arg_exec_user = NULL;
49static const char *arg_exec_group = NULL;
50static int arg_nice = 0;
51static bool arg_nice_set = false;
52static char **arg_environment = NULL;
df31a6c0 53static char **arg_property = NULL;
5dca7739
LP		 54static enum {
55 ARG_STDIO_NONE, /* The default, as it is for normal services, stdin connected to /dev/null, and stdout+stderr to the journal */
56 ARG_STDIO_PTY, /* Interactive behaviour, requested by --pty: we allocate a pty and connect it to the TTY we are invoked from */
57 ARG_STDIO_DIRECT, /* Directly pass our stdin/stdout/stderr to the activated service, useful for usage in shell pipelines, requested by --pipe */
58 ARG_STDIO_AUTO, /* If --pipe and --pty are used together we use --pty when invoked on a TTY, and --pipe otherwise */
59} arg_stdio = ARG_STDIO_NONE;
d59ef3e2
YW		 60static char **arg_path_property = NULL;
61static char **arg_socket_property = NULL;
4c213d6c 62static char **arg_timer_property = NULL;
787be190 63static bool arg_with_timer = false;
095dc596 64static bool arg_quiet = false;
fe9d0be9 65static bool arg_aggressive_gc = false;
2d21165a 66static char *arg_working_directory = NULL;
badd28e1
LP		 67static bool arg_shell = false;
68static char **arg_cmdline = NULL;
c2756a68 69
0565120f
LP		 70STATIC_DESTRUCTOR_REGISTER(arg_environment, strv_freep);
71STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
72STATIC_DESTRUCTOR_REGISTER(arg_path_property, strv_freep);
73STATIC_DESTRUCTOR_REGISTER(arg_socket_property, strv_freep);
74STATIC_DESTRUCTOR_REGISTER(arg_timer_property, strv_freep);
75STATIC_DESTRUCTOR_REGISTER(arg_working_directory, freep);
76STATIC_DESTRUCTOR_REGISTER(arg_cmdline, strv_freep);
77
37ec0fdd
LP		 78static int help(void) {
79 _cleanup_free_ char *link = NULL;
80 int r;
81
82 r = terminal_urlify_man("systemd-run", "1", &link);
83 if (r < 0)
84 return log_oom();
85
4c213d6c 86 printf("%s [OPTIONS...] {COMMAND} [ARGS...]\n\n"
ad2c1701 87 "Run the specified command in a transient scope or service.\n\n"
4c213d6c
WC		 88 " -h --help Show this help\n"
89 " --version Show package version\n"
8c7db2fb 90 " --no-ask-password Do not prompt for password\n"
4c213d6c
WC		 91 " --user Run as user unit\n"
92 " -H --host=[USER@]HOST Operate on remote host\n"
93 " -M --machine=CONTAINER Operate on local container\n"
94 " --scope Run this as scope rather than service\n"
95 " --unit=UNIT Run under the specified unit name\n"
ad2c1701 96 " -p --property=NAME=VALUE Set service or scope unit property\n"
4c213d6c
WC		 97 " --description=TEXT Description for unit\n"
98 " --slice=SLICE Run in the specified slice\n"
3d161f99 99 " --no-block Do not wait until operation finished\n"
4c213d6c 100 " -r --remain-after-exit Leave service around until explicitly stopped\n"
2a453c2e 101 " --wait Wait until service stopped again\n"
4c213d6c
WC		 102 " --send-sighup Send SIGHUP when terminating\n"
103 " --service-type=TYPE Service type\n"
104 " --uid=USER Run as system user\n"
105 " --gid=GROUP Run as system group\n"
106 " --nice=NICE Nice level\n"
2d21165a
LP		 107 " --working-directory=PATH Set working directory\n"
108 " -d --same-dir Inherit working directory from caller\n"
b5911366 109 " -E --setenv=NAME=VALUE Set environment\n"
5dca7739
LP		 110 " -t --pty Run service on pseudo TTY as STDIN/STDOUT/\n"
111 " STDERR\n"
112 " -P --pipe Pass STDIN/STDOUT/STDERR directly to service\n"
fe9d0be9 113 " -q --quiet Suppress information messages during runtime\n"
badd28e1
LP		 114 " -G --collect Unload unit after it ran, even when failed\n"
115 " -S --shell Invoke a $SHELL interactively\n\n"
d59ef3e2
YW		 116 "Path options:\n"
117 " --path-property=NAME=VALUE Set path unit property\n\n"
118 "Socket options:\n"
119 " --socket-property=NAME=VALUE Set socket unit property\n\n"
ad2c1701 120 "Timer options:\n"
b57b0625
ZJS		 121 " --on-active=SECONDS Run after SECONDS delay\n"
122 " --on-boot=SECONDS Run SECONDS after machine was booted up\n"
123 " --on-startup=SECONDS Run SECONDS after systemd activation\n"
124 " --on-unit-active=SECONDS Run SECONDS after the last activation\n"
125 " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n"
4c213d6c 126 " --on-calendar=SPEC Realtime timer\n"
efebb613
LP		 127 " --on-timezone-change Run when the timezone changes\n"
128 " --on-clock-change Run when the realtime clock jumps\n"
ad2c1701 129 " --timer-property=NAME=VALUE Set timer unit property\n"
37ec0fdd
LP		 130 "\nSee the %s for details.\n"
131 , program_invocation_short_name
132 , link
133 );
134
135 return 0;
6c12b52e
LP		 136}
137
f2b9f2c8 138static int add_timer_property(const char *name, const char *val) {
18939728 139 char *p;
f2b9f2c8
YW		 140
141 assert(name);
142 assert(val);
143
144 p = strjoin(name, "=", val);
145 if (!p)
146 return log_oom();
147
148 if (strv_consume(&arg_timer_property, p) < 0)
149 return log_oom();
150
f2b9f2c8 151 return 0;
4c213d6c
WC		 152}
153
6c12b52e
LP		 154static int parse_argv(int argc, char *argv[]) {
155
156 enum {
157 ARG_VERSION = 0x100,
158 ARG_USER,
66b1e746 159 ARG_SYSTEM,
6c12b52e 160 ARG_SCOPE,
9f2e86af 161 ARG_UNIT,
c221420b 162 ARG_DESCRIPTION,
a6c0353b
LP		 163 ARG_SLICE,
164 ARG_SEND_SIGHUP,
5cfde70c 165 ARG_SERVICE_TYPE,
c7040b5d
LP		 166 ARG_EXEC_USER,
167 ARG_EXEC_GROUP,
c7040b5d 168 ARG_NICE,
4c213d6c
WC		 169 ARG_ON_ACTIVE,
170 ARG_ON_BOOT,
171 ARG_ON_STARTUP,
172 ARG_ON_UNIT_ACTIVE,
173 ARG_ON_UNIT_INACTIVE,
174 ARG_ON_CALENDAR,
efebb613
LP		 175 ARG_ON_TIMEZONE_CHANGE,
176 ARG_ON_CLOCK_CHANGE,
3d161f99 177 ARG_TIMER_PROPERTY,
d59ef3e2
YW		 178 ARG_PATH_PROPERTY,
179 ARG_SOCKET_PROPERTY,
3d161f99 180 ARG_NO_BLOCK,
5cfde70c 181 ARG_NO_ASK_PASSWORD,
2a453c2e 182 ARG_WAIT,
2d21165a 183 ARG_WORKING_DIRECTORY,
badd28e1 184 ARG_SHELL,
6c12b52e
LP		 185 };
186
187 static const struct option options[] = {
2d21165a
LP		 188 { "help", no_argument, NULL, 'h' },
189 { "version", no_argument, NULL, ARG_VERSION },
190 { "user", no_argument, NULL, ARG_USER },
191 { "system", no_argument, NULL, ARG_SYSTEM },
192 { "scope", no_argument, NULL, ARG_SCOPE },
193 { "unit", required_argument, NULL, ARG_UNIT },
194 { "description", required_argument, NULL, ARG_DESCRIPTION },
195 { "slice", required_argument, NULL, ARG_SLICE },
196 { "remain-after-exit", no_argument, NULL, 'r' },
197 { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
198 { "host", required_argument, NULL, 'H' },
199 { "machine", required_argument, NULL, 'M' },
200 { "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
201 { "wait", no_argument, NULL, ARG_WAIT },
202 { "uid", required_argument, NULL, ARG_EXEC_USER },
203 { "gid", required_argument, NULL, ARG_EXEC_GROUP },
204 { "nice", required_argument, NULL, ARG_NICE },
205 { "setenv", required_argument, NULL, 'E' },
206 { "property", required_argument, NULL, 'p' },
207 { "tty", no_argument, NULL, 't' }, /* deprecated alias */
208 { "pty", no_argument, NULL, 't' },
209 { "pipe", no_argument, NULL, 'P' },
210 { "quiet", no_argument, NULL, 'q' },
211 { "on-active", required_argument, NULL, ARG_ON_ACTIVE },
212 { "on-boot", required_argument, NULL, ARG_ON_BOOT },
213 { "on-startup", required_argument, NULL, ARG_ON_STARTUP },
214 { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
215 { "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
216 { "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
efebb613
LP		 217 { "on-timezone-change",no_argument, NULL, ARG_ON_TIMEZONE_CHANGE},
218 { "on-clock-change", no_argument, NULL, ARG_ON_CLOCK_CHANGE },
2d21165a
LP		 219 { "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
220 { "path-property", required_argument, NULL, ARG_PATH_PROPERTY },
221 { "socket-property", required_argument, NULL, ARG_SOCKET_PROPERTY },
222 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
223 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
224 { "collect", no_argument, NULL, 'G' },
225 { "working-directory", required_argument, NULL, ARG_WORKING_DIRECTORY },
226 { "same-dir", no_argument, NULL, 'd' },
badd28e1 227 { "shell", no_argument, NULL, 'S' },
eb9da376 228 {},
6c12b52e
LP		 229 };
230
d59ef3e2 231 bool with_trigger = false;
c7040b5d 232 int r, c;
6c12b52e
LP		 233
234 assert(argc >= 0);
235 assert(argv);
236
badd28e1 237 while ((c = getopt_long(argc, argv, "+hrH:M:E:p:tPqGdS", options, NULL)) >= 0)
6c12b52e
LP		 238
239 switch (c) {
240
241 case 'h':
37ec0fdd 242 return help();
6c12b52e 243
ad2c1701
LP		 244 case ARG_VERSION:
245 return version();
246
8c7db2fb
EV		 247 case ARG_NO_ASK_PASSWORD:
248 arg_ask_password = false;
249 break;
250
6c12b52e
LP		 251 case ARG_USER:
252 arg_user = true;
253 break;
254
66b1e746
LP		 255 case ARG_SYSTEM:
256 arg_user = false;
257 break;
258
6c12b52e
LP		 259 case ARG_SCOPE:
260 arg_scope = true;
261 break;
262
263 case ARG_UNIT:
264 arg_unit = optarg;
265 break;
266
9f2e86af
LP		 267 case ARG_DESCRIPTION:
268 arg_description = optarg;
269 break;
270
c221420b
LP		 271 case ARG_SLICE:
272 arg_slice = optarg;
273 break;
274
a6c0353b
LP		 275 case ARG_SEND_SIGHUP:
276 arg_send_sighup = true;
277 break;
278
6577c7ce
LP		 279 case 'r':
280 arg_remain_after_exit = true;
281 break;
282
d21ed1ea
LP		 283 case 'H':
284 arg_transport = BUS_TRANSPORT_REMOTE;
285 arg_host = optarg;
286 break;
287
288 case 'M':
de33fc62 289 arg_transport = BUS_TRANSPORT_MACHINE;
d21ed1ea
LP		 290 arg_host = optarg;
291 break;
292
c7040b5d
LP		 293 case ARG_SERVICE_TYPE:
294 arg_service_type = optarg;
295 break;
296
297 case ARG_EXEC_USER:
298 arg_exec_user = optarg;
299 break;
300
301 case ARG_EXEC_GROUP:
302 arg_exec_group = optarg;
303 break;
304
305 case ARG_NICE:
41bf0590
LP		 306 r = parse_nice(optarg, &arg_nice);
307 if (r < 0)
308 return log_error_errno(r, "Failed to parse nice value: %s", optarg);
c7040b5d
LP		 309
310 arg_nice_set = true;
311 break;
312
b5911366 313 case 'E':
c7040b5d
LP		 314 if (strv_extend(&arg_environment, optarg) < 0)
315 return log_oom();
316
317 break;
318
df31a6c0 319 case 'p':
df31a6c0
LP		 320 if (strv_extend(&arg_property, optarg) < 0)
321 return log_oom();
322
323 break;
324
5dca7739
LP		 325 case 't': /* --pty */
326 if (IN_SET(arg_stdio, ARG_STDIO_DIRECT, ARG_STDIO_AUTO)) /* if --pipe is already used, upgrade to auto mode */
327 arg_stdio = ARG_STDIO_AUTO;
328 else
329 arg_stdio = ARG_STDIO_PTY;
330 break;
331
332 case 'P': /* --pipe */
333 if (IN_SET(arg_stdio, ARG_STDIO_PTY, ARG_STDIO_AUTO)) /* If --pty is already used, upgrade to auto mode */
334 arg_stdio = ARG_STDIO_AUTO;
335 else
336 arg_stdio = ARG_STDIO_DIRECT;
9b15b784
LP		 337 break;
338
095dc596
LP		 339 case 'q':
340 arg_quiet = true;
341 break;
342
4c213d6c 343 case ARG_ON_ACTIVE:
f2b9f2c8
YW		 344 r = add_timer_property("OnActiveSec", optarg);
345 if (r < 0)
4c213d6c 346 return r;
4c213d6c 347
787be190 348 arg_with_timer = true;
4c213d6c
WC		 349 break;
350
351 case ARG_ON_BOOT:
f2b9f2c8
YW		 352 r = add_timer_property("OnBootSec", optarg);
353 if (r < 0)
4c213d6c 354 return r;
4c213d6c 355
787be190 356 arg_with_timer = true;
4c213d6c
WC		 357 break;
358
359 case ARG_ON_STARTUP:
f2b9f2c8
YW		 360 r = add_timer_property("OnStartupSec", optarg);
361 if (r < 0)
4c213d6c 362 return r;
4c213d6c 363
787be190 364 arg_with_timer = true;
4c213d6c
WC		 365 break;
366
367 case ARG_ON_UNIT_ACTIVE:
f2b9f2c8
YW		 368 r = add_timer_property("OnUnitActiveSec", optarg);
369 if (r < 0)
4c213d6c 370 return r;
4c213d6c 371
787be190 372 arg_with_timer = true;
4c213d6c
WC		 373 break;
374
375 case ARG_ON_UNIT_INACTIVE:
f2b9f2c8
YW		 376 r = add_timer_property("OnUnitInactiveSec", optarg);
377 if (r < 0)
4c213d6c 378 return r;
4c213d6c 379
787be190 380 arg_with_timer = true;
4c213d6c
WC		 381 break;
382
10434dbd
FS		 383 case ARG_ON_CALENDAR: {
384 _cleanup_(calendar_spec_freep) CalendarSpec *cs = NULL;
10434dbd
FS		 385
386 /* Let's make sure the given calendar event is not in the past */
10434dbd
FS		 387 r = calendar_spec_from_string(optarg, &cs);
388 if (r < 0)
04220fda
LP		 389 return log_error_errno(r, "Failed to parse calendar event specification: %m");
390
391 r = calendar_spec_next_usec(cs, now(CLOCK_REALTIME), NULL);
392 if (r == -ENOENT)
e608bf6f
ZJS		 393 /* The calendar event is in the past — let's warn about this, but install it
394 * anyway as is. The service manager will trigger the service right away.
395 * Moreover, the server side might have a different clock or timezone than we
396 * do, hence it should decide when or whether to run something. */
04220fda
LP		 397 log_warning("Specified calendar expression is in the past, proceeding anyway.");
398 else if (r < 0)
399 return log_error_errno(r, "Failed to calculate next time calendar expression elapses: %m");
10434dbd 400
f2b9f2c8
YW		 401 r = add_timer_property("OnCalendar", optarg);
402 if (r < 0)
efebb613
LP		 403 return r;
404
405 arg_with_timer = true;
406 break;
10434dbd 407 }
efebb613
LP		 408
409 case ARG_ON_TIMEZONE_CHANGE:
410 r = add_timer_property("OnTimezoneChange", "yes");
411 if (r < 0)
412 return r;
413
414 arg_with_timer = true;
415 break;
416
417 case ARG_ON_CLOCK_CHANGE:
418 r = add_timer_property("OnClockChange", "yes");
419 if (r < 0)
4c213d6c 420 return r;
024a8ec1 421
787be190 422 arg_with_timer = true;
4c213d6c
WC		 423 break;
424
425 case ARG_TIMER_PROPERTY:
426
427 if (strv_extend(&arg_timer_property, optarg) < 0)
428 return log_oom();
429
787be190 430 arg_with_timer = arg_with_timer ||
49fe5c09
LP		 431 STARTSWITH_SET(optarg,
432 "OnActiveSec=",
433 "OnBootSec=",
434 "OnStartupSec=",
435 "OnUnitActiveSec=",
436 "OnUnitInactiveSec=",
437 "OnCalendar=");
4c213d6c
WC		 438 break;
439
d59ef3e2
YW		 440 case ARG_PATH_PROPERTY:
441
442 if (strv_extend(&arg_path_property, optarg) < 0)
443 return log_oom();
444
445 break;
446
447 case ARG_SOCKET_PROPERTY:
448
449 if (strv_extend(&arg_socket_property, optarg) < 0)
450 return log_oom();
451
452 break;
453
3d161f99
LP		 454 case ARG_NO_BLOCK:
455 arg_no_block = true;
456 break;
457
2a453c2e
LP		 458 case ARG_WAIT:
459 arg_wait = true;
460 break;
461
2d21165a
LP		 462 case ARG_WORKING_DIRECTORY:
463 r = parse_path_argument_and_warn(optarg, true, &arg_working_directory);
464 if (r < 0)
465 return r;
466
467 break;
468
469 case 'd': {
470 _cleanup_free_ char *p = NULL;
471
472 r = safe_getcwd(&p);
473 if (r < 0)
474 return log_error_errno(r, "Failed to get current working directory: %m");
475
476 if (empty_or_root(p))
477 arg_working_directory = mfree(arg_working_directory);
478 else
479 free_and_replace(arg_working_directory, p);
480 break;
481 }
482
fe9d0be9
LP		 483 case 'G':
484 arg_aggressive_gc = true;
485 break;
486
badd28e1
LP		 487 case 'S':
488 arg_shell = true;
489 break;
490
6c12b52e
LP		 491 case '?':
492 return -EINVAL;
493
494 default:
eb9da376 495 assert_not_reached("Unhandled option");
6c12b52e 496 }
6c12b52e 497
787be190 498 with_trigger = !!arg_path_property || !!arg_socket_property || arg_with_timer;
d59ef3e2
YW		 499
500 /* currently, only single trigger (path, socket, timer) unit can be created simultaneously */
787be190 501 if ((int) !!arg_path_property + (int) !!arg_socket_property + (int) arg_with_timer > 1)
baaa35ad
ZJS		 502 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
503 "Only single trigger (path, socket, timer) unit can be created.");
5dca7739 504
badd28e1
LP		 505 if (arg_shell) {
506 /* If --shell is imply --pty --pipe --same-dir --service-type=exec --wait --collect, unless otherwise
507 * specified. */
508
509 if (!arg_scope) {
510 if (arg_stdio == ARG_STDIO_NONE)
511 arg_stdio = ARG_STDIO_AUTO;
512
513 if (!arg_working_directory) {
514 r = safe_getcwd(&arg_working_directory);
515 if (r < 0)
516 return log_error_errno(r, "Failed to get current working directory: %m");
517 }
518
519 if (!arg_service_type) {
520 arg_service_type = strdup("exec");
521 if (!arg_service_type)
522 return log_oom();
523 }
524
525 arg_wait = true;
526 }
527
528 arg_aggressive_gc = true;
529 }
530
5dca7739
LP		 531 if (arg_stdio == ARG_STDIO_AUTO) {
532 /* If we both --pty and --pipe are specified we'll automatically pick --pty if we are connected fully
533 * to a TTY and pick direct fd passing otherwise. This way, we automatically adapt to usage in a shell
534 * pipeline, but we are neatly interactive with tty-level isolation otherwise. */
535 arg_stdio = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) ?
536 ARG_STDIO_PTY :
537 ARG_STDIO_DIRECT;
538 }
539
badd28e1
LP		 540 if (argc > optind) {
541 char **l;
542
543 if (arg_shell)
544 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "If --shell is used, no command line is expected.");
545
546 l = strv_copy(argv + optind);
547 if (!l)
548 return log_oom();
549
550 strv_free_and_replace(arg_cmdline, l);
551
552 } else if (arg_shell) {
553 _cleanup_free_ char *s = NULL;
554 char **l;
555
556 r = get_shell(&s);
557 if (r < 0)
558 return log_error_errno(r, "Failed to determine shell: %m");
559
560 l = strv_new(s);
561 if (!l)
562 return log_oom();
563
564 strv_free_and_replace(arg_cmdline, l);
565
566 } else if (!arg_unit || !with_trigger)
567 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Command line to execute required.");
6c12b52e 568
baaa35ad
ZJS		 569 if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL)
570 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
571 "Execution in user context is not supported on non-local systems.");
d21ed1ea 572
baaa35ad
ZJS		 573 if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL)
574 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
575 "Scope execution is not supported on non-local systems.");
d21ed1ea 576
baaa35ad
ZJS		 577 if (arg_scope && (arg_remain_after_exit || arg_service_type))
578 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
579 "--remain-after-exit and --service-type= are not supported in --scope mode.");
c7040b5d 580
baaa35ad
ZJS		 581 if (arg_stdio != ARG_STDIO_NONE && (with_trigger || arg_scope))
582 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
583 "--pty/--pipe is not compatible in timer or --scope mode.");
9b15b784 584
baaa35ad
ZJS		 585 if (arg_stdio != ARG_STDIO_NONE && arg_transport == BUS_TRANSPORT_REMOTE)
586 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
587 "--pty/--pipe is only supported when connecting to the local system or containers.");
024a8ec1 588
baaa35ad
ZJS		 589 if (arg_stdio != ARG_STDIO_NONE && arg_no_block)
590 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
591 "--pty/--pipe is not compatible with --no-block.");
578c03bc 592
baaa35ad
ZJS		 593 if (arg_scope && with_trigger)
594 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
595 "Path, socket or timer options are not supported in --scope mode.");
4c213d6c 596
787be190 597 if (arg_timer_property && !arg_with_timer)
baaa35ad
ZJS		 598 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
599 "--timer-property= has no effect without any other timer options.");
4c213d6c 600
2a453c2e 601 if (arg_wait) {
baaa35ad
ZJS		 602 if (arg_no_block)
603 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
604 "--wait may not be combined with --no-block.");
2a453c2e 605
baaa35ad
ZJS		 606 if (with_trigger)
607 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
608 "--wait may not be combined with path, socket or timer operations.");
2a453c2e 609
baaa35ad
ZJS		 610 if (arg_scope)
611 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
612 "--wait may not be combined with --scope.");
2a453c2e
LP		 613 }
614
6c12b52e
LP		 615 return 1;
616}
617
89ada3ba 618static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) {
c2756a68
LP		 619 int r;
620
9b15b784
LP		 621 r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
622 if (r < 0)
f53bddf3 623 return bus_log_create_error(r);
9b15b784 624
fe9d0be9
LP		 625 if (arg_aggressive_gc) {
626 r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed");
627 if (r < 0)
f53bddf3 628 return bus_log_create_error(r);
fe9d0be9
LP		 629 }
630
89ada3ba 631 r = bus_append_unit_property_assignment_many(m, t, properties);
8673cf13
LP		 632 if (r < 0)
633 return r;
df31a6c0 634
9b15b784
LP		 635 return 0;
636}
637
638static int transient_cgroup_set_properties(sd_bus_message *m) {
639 int r;
640 assert(m);
c2756a68 641
c221420b 642 if (!isempty(arg_slice)) {
f53bddf3 643 _cleanup_free_ char *slice = NULL;
c221420b 644
37cbc1d5 645 r = unit_name_mangle_with_suffix(arg_slice, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".slice", &slice);
7410616c 646 if (r < 0)
f53bddf3 647 return log_error_errno(r, "Failed to mangle name '%s': %m", arg_slice);
c221420b
LP		 648
649 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
650 if (r < 0)
f53bddf3 651 return bus_log_create_error(r);
c221420b
LP		 652 }
653
9b15b784
LP		 654 return 0;
655}
656
657static int transient_kill_set_properties(sd_bus_message *m) {
f53bddf3
LP		 658 int r;
659
9b15b784
LP		 660 assert(m);
661
f53bddf3
LP		 662 if (arg_send_sighup) {
663 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
664 if (r < 0)
665 return bus_log_create_error(r);
666 }
667
668 return 0;
6c12b52e
LP		 669}
670
badd28e1 671static int transient_service_set_properties(sd_bus_message *m, const char *pty_path) {
5dca7739 672 bool send_term = false;
6c12b52e
LP		 673 int r;
674
8159d91a
LP		 675 assert(m);
676
89ada3ba 677 r = transient_unit_set_properties(m, UNIT_SERVICE, arg_property);
9b15b784
LP		 678 if (r < 0)
679 return r;
680
681 r = transient_kill_set_properties(m);
682 if (r < 0)
683 return r;
684
685 r = transient_cgroup_set_properties(m);
86b8d289
LP		 686 if (r < 0)
687 return r;
688
5dca7739 689 if (arg_wait || arg_stdio != ARG_STDIO_NONE) {
2a453c2e
LP		 690 r = sd_bus_message_append(m, "(sv)", "AddRef", "b", 1);
691 if (r < 0)
f53bddf3 692 return bus_log_create_error(r);
2a453c2e
LP		 693 }
694
df31a6c0
LP		 695 if (arg_remain_after_exit) {
696 r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit);
697 if (r < 0)
f53bddf3 698 return bus_log_create_error(r);
df31a6c0 699 }
6577c7ce 700
c7040b5d
LP		 701 if (arg_service_type) {
702 r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type);
703 if (r < 0)
f53bddf3 704 return bus_log_create_error(r);
c7040b5d
LP		 705 }
706
707 if (arg_exec_user) {
708 r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user);
709 if (r < 0)
f53bddf3 710 return bus_log_create_error(r);
c7040b5d
LP		 711 }
712
713 if (arg_exec_group) {
714 r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group);
715 if (r < 0)
f53bddf3 716 return bus_log_create_error(r);
c7040b5d
LP		 717 }
718
719 if (arg_nice_set) {
720 r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice);
721 if (r < 0)
f53bddf3 722 return bus_log_create_error(r);
c7040b5d
LP		 723 }
724
2d21165a
LP		 725 if (arg_working_directory) {
726 r = sd_bus_message_append(m, "(sv)", "WorkingDirectory", "s", arg_working_directory);
727 if (r < 0)
728 return bus_log_create_error(r);
729 }
730
9b15b784 731 if (pty_path) {
9b15b784
LP		 732 r = sd_bus_message_append(m,
733 "(sv)(sv)(sv)(sv)",
734 "StandardInput", "s", "tty",
735 "StandardOutput", "s", "tty",
736 "StandardError", "s", "tty",
737 "TTYPath", "s", pty_path);
738 if (r < 0)
f53bddf3 739 return bus_log_create_error(r);
9b15b784 740
5dca7739
LP		 741 send_term = true;
742
743 } else if (arg_stdio == ARG_STDIO_DIRECT) {
744 r = sd_bus_message_append(m,
745 "(sv)(sv)(sv)",
746 "StandardInputFileDescriptor", "h", STDIN_FILENO,
747 "StandardOutputFileDescriptor", "h", STDOUT_FILENO,
748 "StandardErrorFileDescriptor", "h", STDERR_FILENO);
749 if (r < 0)
f53bddf3 750 return bus_log_create_error(r);
5dca7739
LP		 751
752 send_term = isatty(STDIN_FILENO) || isatty(STDOUT_FILENO) || isatty(STDERR_FILENO);
753 }
754
755 if (send_term) {
756 const char *e;
757
9b15b784
LP		 758 e = getenv("TERM");
759 if (e) {
760 char *n;
761
63c372cb 762 n = strjoina("TERM=", e);
9b15b784
LP		 763 r = sd_bus_message_append(m,
764 "(sv)",
765 "Environment", "as", 1, n);
766 if (r < 0)
f53bddf3 767 return bus_log_create_error(r);
9b15b784
LP		 768 }
769 }
770
c7040b5d
LP		 771 if (!strv_isempty(arg_environment)) {
772 r = sd_bus_message_open_container(m, 'r', "sv");
773 if (r < 0)
f53bddf3 774 return bus_log_create_error(r);
c7040b5d
LP		 775
776 r = sd_bus_message_append(m, "s", "Environment");
777 if (r < 0)
f53bddf3 778 return bus_log_create_error(r);
c7040b5d
LP		 779
780 r = sd_bus_message_open_container(m, 'v', "as");
781 if (r < 0)
f53bddf3 782 return bus_log_create_error(r);
c7040b5d
LP		 783
784 r = sd_bus_message_append_strv(m, arg_environment);
785 if (r < 0)
f53bddf3 786 return bus_log_create_error(r);
c7040b5d
LP		 787
788 r = sd_bus_message_close_container(m);
789 if (r < 0)
f53bddf3 790 return bus_log_create_error(r);
c7040b5d
LP		 791
792 r = sd_bus_message_close_container(m);
793 if (r < 0)
f53bddf3 794 return bus_log_create_error(r);
4c213d6c
WC		 795 }
796
797 /* Exec container */
badd28e1 798 if (!strv_isempty(arg_cmdline)) {
4c213d6c
WC		 799 r = sd_bus_message_open_container(m, 'r', "sv");
800 if (r < 0)
f53bddf3 801 return bus_log_create_error(r);
4c213d6c
WC		 802
803 r = sd_bus_message_append(m, "s", "ExecStart");
804 if (r < 0)
f53bddf3 805 return bus_log_create_error(r);
4c213d6c
WC		 806
807 r = sd_bus_message_open_container(m, 'v', "a(sasb)");
808 if (r < 0)
f53bddf3 809 return bus_log_create_error(r);
4c213d6c
WC		 810
811 r = sd_bus_message_open_container(m, 'a', "(sasb)");
812 if (r < 0)
f53bddf3 813 return bus_log_create_error(r);
4c213d6c
WC		 814
815 r = sd_bus_message_open_container(m, 'r', "sasb");
816 if (r < 0)
f53bddf3 817 return bus_log_create_error(r);
4c213d6c 818
badd28e1 819 r = sd_bus_message_append(m, "s", arg_cmdline[0]);
4c213d6c 820 if (r < 0)
f53bddf3 821 return bus_log_create_error(r);
4c213d6c 822
badd28e1 823 r = sd_bus_message_append_strv(m, arg_cmdline);
4c213d6c 824 if (r < 0)
f53bddf3 825 return bus_log_create_error(r);
4c213d6c
WC		 826
827 r = sd_bus_message_append(m, "b", false);
828 if (r < 0)
f53bddf3 829 return bus_log_create_error(r);
4c213d6c
WC		 830
831 r = sd_bus_message_close_container(m);
832 if (r < 0)
f53bddf3 833 return bus_log_create_error(r);
4c213d6c
WC		 834
835 r = sd_bus_message_close_container(m);
836 if (r < 0)
f53bddf3 837 return bus_log_create_error(r);
4c213d6c
WC		 838
839 r = sd_bus_message_close_container(m);
840 if (r < 0)
f53bddf3 841 return bus_log_create_error(r);
4c213d6c
WC		 842
843 r = sd_bus_message_close_container(m);
844 if (r < 0)
f53bddf3 845 return bus_log_create_error(r);
4c213d6c
WC		 846 }
847
848 return 0;
849}
850
9b15b784
LP		 851static int transient_scope_set_properties(sd_bus_message *m) {
852 int r;
853
854 assert(m);
855
89ada3ba 856 r = transient_unit_set_properties(m, UNIT_SCOPE, arg_property);
9b15b784
LP		 857 if (r < 0)
858 return r;
859
860 r = transient_kill_set_properties(m);
861 if (r < 0)
862 return r;
863
37e605f9
LP		 864 r = transient_cgroup_set_properties(m);
865 if (r < 0)
866 return r;
867
df0ff127 868 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid_cached());
9b15b784 869 if (r < 0)
f53bddf3 870 return bus_log_create_error(r);
9b15b784
LP		 871
872 return 0;
873}
874
4c213d6c
WC		 875static int transient_timer_set_properties(sd_bus_message *m) {
876 int r;
877
878 assert(m);
879
89ada3ba 880 r = transient_unit_set_properties(m, UNIT_TIMER, arg_timer_property);
4c213d6c
WC		 881 if (r < 0)
882 return r;
883
6348d701
LP		 884 /* Automatically clean up our transient timers */
885 r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false);
886 if (r < 0)
f53bddf3 887 return bus_log_create_error(r);
6348d701 888
4c213d6c
WC		 889 return 0;
890}
891
9c8d1e1a
LP		 892static int make_unit_name(sd_bus *bus, UnitType t, char **ret) {
893 const char *unique, *id;
894 char *p;
895 int r;
896
897 assert(bus);
898 assert(t >= 0);
899 assert(t < _UNIT_TYPE_MAX);
900
901 r = sd_bus_get_unique_name(bus, &unique);
902 if (r < 0) {
903 sd_id128_t rnd;
904
905 /* We couldn't get the unique name, which is a pretty
906 * common case if we are connected to systemd
907 * directly. In that case, just pick a random uuid as
908 * name */
909
910 r = sd_id128_randomize(&rnd);
911 if (r < 0)
912 return log_error_errno(r, "Failed to generate random run unit name: %m");
913
914 if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0)
915 return log_oom();
916
917 return 0;
918 }
919
920 /* We managed to get the unique name, then let's use that to
921 * name our transient units. */
922
923 id = startswith(unique, ":1.");
baaa35ad
ZJS		 924 if (!id)
925 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
926 "Unique name %s has unexpected format.",
927 unique);
9c8d1e1a 928
605405c6 929 p = strjoin("run-u", id, ".", unit_type_to_string(t));
9c8d1e1a
LP		 930 if (!p)
931 return log_oom();
932
933 *ret = p;
934 return 0;
935}
936
2a453c2e
LP		 937typedef struct RunContext {
938 sd_bus *bus;
939 sd_event *event;
940 PTYForward *forward;
941 sd_bus_slot *match;
942
943 /* The exit data of the unit */
944 char *active_state;
945 uint64_t inactive_exit_usec;
946 uint64_t inactive_enter_usec;
947 char *result;
948 uint64_t cpu_usage_nsec;
655aab20
LP		 949 uint64_t ip_ingress_bytes;
950 uint64_t ip_egress_bytes;
826f7cb1
LP		 951 uint64_t io_read_bytes;
952 uint64_t io_write_bytes;
2a453c2e
LP		 953 uint32_t exit_code;
954 uint32_t exit_status;
955} RunContext;
956
957static void run_context_free(RunContext *c) {
958 assert(c);
959
960 c->forward = pty_forward_free(c->forward);
961 c->match = sd_bus_slot_unref(c->match);
962 c->bus = sd_bus_unref(c->bus);
963 c->event = sd_event_unref(c->event);
964
965 free(c->active_state);
966 free(c->result);
967}
968
969static void run_context_check_done(RunContext *c) {
95f1d6bf 970 bool done;
2a453c2e
LP		 971
972 assert(c);
973
974 if (c->match)
95f1d6bf
LP		 975 done = STRPTR_IN_SET(c->active_state, "inactive", "failed");
976 else
977 done = true;
2a453c2e 978
95f1d6bf
LP		 979 if (c->forward && done) /* If the service is gone, it's time to drain the output */
980 done = pty_forward_drain(c->forward);
2a453c2e
LP		 981
982 if (done)
983 sd_event_exit(c->event, EXIT_SUCCESS);
984}
985
5b1bad8d 986static int run_context_update(RunContext *c, const char *path) {
2a453c2e
LP		 987
988 static const struct bus_properties_map map[] = {
989 { "ActiveState", "s", NULL, offsetof(RunContext, active_state) },
990 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_exit_usec) },
991 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_enter_usec) },
992 { "Result", "s", NULL, offsetof(RunContext, result) },
993 { "ExecMainCode", "i", NULL, offsetof(RunContext, exit_code) },
994 { "ExecMainStatus", "i", NULL, offsetof(RunContext, exit_status) },
995 { "CPUUsageNSec", "t", NULL, offsetof(RunContext, cpu_usage_nsec) },
655aab20
LP		 996 { "IPIngressBytes", "t", NULL, offsetof(RunContext, ip_ingress_bytes) },
997 { "IPEgressBytes", "t", NULL, offsetof(RunContext, ip_egress_bytes) },
826f7cb1
LP		 998 { "IOReadBytes", "t", NULL, offsetof(RunContext, io_read_bytes) },
999 { "IOWriteBytes", "t", NULL, offsetof(RunContext, io_write_bytes) },
2a453c2e
LP		 1000 {}
1001 };
1002
f9e0eefc 1003 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2a453c2e
LP		 1004 int r;
1005
1006 r = bus_map_all_properties(c->bus,
1007 "org.freedesktop.systemd1",
5b1bad8d 1008 path,
2a453c2e 1009 map,
a7e4861c 1010 BUS_MAP_STRDUP,
f9e0eefc 1011 &error,
f37f8a61 1012 NULL,
2a453c2e
LP		 1013 c);
1014 if (r < 0) {
1015 sd_event_exit(c->event, EXIT_FAILURE);
f9e0eefc 1016 return log_error_errno(r, "Failed to query unit state: %s", bus_error_message(&error, r));
2a453c2e
LP		 1017 }
1018
1019 run_context_check_done(c);
1020 return 0;
1021}
1022
5b1bad8d
LP		 1023static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
1024 RunContext *c = userdata;
1025
1026 assert(m);
1027 assert(c);
1028
1029 return run_context_update(c, sd_bus_message_get_path(m));
1030}
1031
2a453c2e
LP		 1032static int pty_forward_handler(PTYForward *f, int rcode, void *userdata) {
1033 RunContext *c = userdata;
1034
1035 assert(f);
1036
1037 if (rcode < 0) {
1038 sd_event_exit(c->event, EXIT_FAILURE);
1039 return log_error_errno(rcode, "Error on PTY forwarding logic: %m");
1040 }
1041
1042 run_context_check_done(c);
1043 return 0;
1044}
1045
4c213d6c
WC		 1046static int start_transient_service(
1047 sd_bus *bus,
2a453c2e 1048 int *retval) {
4c213d6c 1049
4afd3348
LP		 1050 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
1051 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3d161f99 1052 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
ee451d76 1053 _cleanup_free_ char *service = NULL, *pty_path = NULL;
9b15b784 1054 _cleanup_close_ int master = -1;
4c213d6c
WC		 1055 int r;
1056
1057 assert(bus);
2a453c2e 1058 assert(retval);
4c213d6c 1059
5dca7739 1060 if (arg_stdio == ARG_STDIO_PTY) {
9b15b784 1061
ee451d76 1062 if (arg_transport == BUS_TRANSPORT_LOCAL) {
669fc4e5 1063 master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
ee451d76
LP		 1064 if (master < 0)
1065 return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
1066
1067 r = ptsname_malloc(master, &pty_path);
1068 if (r < 0)
1069 return log_error_errno(r, "Failed to determine tty name: %m");
1070
395745ba
LP		 1071 if (unlockpt(master) < 0)
1072 return log_error_errno(errno, "Failed to unlock tty: %m");
1073
de33fc62 1074 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
4afd3348 1075 _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL;
20fc5811 1076 _cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL;
ee451d76
LP		 1077 const char *s;
1078
024a8ec1 1079 r = sd_bus_default_system(&system_bus);
ee451d76 1080 if (r < 0)
024a8ec1 1081 return log_error_errno(r, "Failed to connect to system bus: %m");
ee451d76
LP		 1082
1083 r = sd_bus_call_method(system_bus,
1084 "org.freedesktop.machine1",
1085 "/org/freedesktop/machine1",
1086 "org.freedesktop.machine1.Manager",
1087 "OpenMachinePTY",
1088 &error,
20fc5811 1089 &pty_reply,
ee451d76 1090 "s", arg_host);
4ae25393
YW		 1091 if (r < 0)
1092 return log_error_errno(r, "Failed to get machine PTY: %s", bus_error_message(&error, -r));
ee451d76 1093
20fc5811 1094 r = sd_bus_message_read(pty_reply, "hs", &master, &s);
ee451d76
LP		 1095 if (r < 0)
1096 return bus_log_parse_error(r);
1097
1098 master = fcntl(master, F_DUPFD_CLOEXEC, 3);
1099 if (master < 0)
1100 return log_error_errno(errno, "Failed to duplicate master fd: %m");
1101
1102 pty_path = strdup(s);
1103 if (!pty_path)
1104 return log_oom();
1105 } else
1106 assert_not_reached("Can't allocate tty via ssh");
9b15b784
LP		 1107 }
1108
3d161f99
LP		 1109 if (!arg_no_block) {
1110 r = bus_wait_for_jobs_new(bus, &w);
1111 if (r < 0)
1112 return log_error_errno(r, "Could not watch jobs: %m");
1113 }
1114
4c213d6c 1115 if (arg_unit) {
37cbc1d5 1116 r = unit_name_mangle_with_suffix(arg_unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".service", &service);
7410616c
LP		 1117 if (r < 0)
1118 return log_error_errno(r, "Failed to mangle unit name: %m");
9c8d1e1a
LP		 1119 } else {
1120 r = make_unit_name(bus, UNIT_SERVICE, &service);
1121 if (r < 0)
1122 return r;
1123 }
4c213d6c
WC		 1124
1125 r = sd_bus_message_new_method_call(
1126 bus,
1127 &m,
1128 "org.freedesktop.systemd1",
1129 "/org/freedesktop/systemd1",
1130 "org.freedesktop.systemd1.Manager",
1131 "StartTransientUnit");
9f2e86af 1132 if (r < 0)
7040b626 1133 return bus_log_create_error(r);
9f2e86af 1134
8c7db2fb
EV		 1135 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1136 if (r < 0)
1137 return bus_log_create_error(r);
1138
9b15b784 1139 /* Name and mode */
4c213d6c 1140 r = sd_bus_message_append(m, "ss", service, "fail");
c2756a68 1141 if (r < 0)
7040b626 1142 return bus_log_create_error(r);
c2756a68 1143
9b15b784 1144 /* Properties */
4c213d6c 1145 r = sd_bus_message_open_container(m, 'a', "(sv)");
c2756a68 1146 if (r < 0)
7040b626 1147 return bus_log_create_error(r);
c2756a68 1148
badd28e1 1149 r = transient_service_set_properties(m, pty_path);
c2756a68 1150 if (r < 0)
f53bddf3 1151 return r;
c2756a68 1152
4c213d6c 1153 r = sd_bus_message_close_container(m);
c2756a68 1154 if (r < 0)
7040b626 1155 return bus_log_create_error(r);
c2756a68 1156
9b15b784 1157 /* Auxiliary units */
4c213d6c 1158 r = sd_bus_message_append(m, "a(sa(sv))", 0);
c2756a68 1159 if (r < 0)
7040b626 1160 return bus_log_create_error(r);
c2756a68 1161
8a4b13c5 1162 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1163
3d161f99 1164 r = sd_bus_call(bus, m, 0, &error, &reply);
024a8ec1
LP		 1165 if (r < 0)
1166 return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
c2756a68 1167
3d161f99
LP		 1168 if (w) {
1169 const char *object;
1170
1171 r = sd_bus_message_read(reply, "o", &object);
1172 if (r < 0)
1173 return bus_log_parse_error(r);
1174
1175 r = bus_wait_for_jobs_one(w, object, arg_quiet);
1176 if (r < 0)
1177 return r;
1178 }
1179
2a453c2e
LP		 1180 if (!arg_quiet)
1181 log_info("Running as unit: %s", service);
1182
5dca7739 1183 if (arg_wait || arg_stdio != ARG_STDIO_NONE) {
655aab20
LP		 1184 _cleanup_(run_context_free) RunContext c = {
1185 .cpu_usage_nsec = NSEC_INFINITY,
1186 .ip_ingress_bytes = UINT64_MAX,
1187 .ip_egress_bytes = UINT64_MAX,
826f7cb1
LP		 1188 .io_read_bytes = UINT64_MAX,
1189 .io_write_bytes = UINT64_MAX,
655aab20
LP		 1190 .inactive_exit_usec = USEC_INFINITY,
1191 .inactive_enter_usec = USEC_INFINITY,
1192 };
95f1d6bf 1193 _cleanup_free_ char *path = NULL;
4c213d6c 1194
2a453c2e
LP		 1195 c.bus = sd_bus_ref(bus);
1196
1197 r = sd_event_default(&c.event);
4c213d6c 1198 if (r < 0)
9b15b784 1199 return log_error_errno(r, "Failed to get event loop: %m");
4c213d6c 1200
2a453c2e
LP		 1201 if (master >= 0) {
1202 assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
1203 (void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL);
1204 (void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL);
1205
1206 if (!arg_quiet)
1207 log_info("Press ^] three times within 1s to disconnect TTY.");
4c213d6c 1208
2a453c2e
LP		 1209 r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward);
1210 if (r < 0)
1211 return log_error_errno(r, "Failed to create PTY forwarder: %m");
1212
1213 pty_forward_set_handler(c.forward, pty_forward_handler, &c);
d147457c
LP		 1214
1215 /* Make sure to process any TTY events before we process bus events */
1216 (void) pty_forward_set_priority(c.forward, SD_EVENT_PRIORITY_IMPORTANT);
2a453c2e 1217 }
4c213d6c 1218
95f1d6bf
LP		 1219 path = unit_dbus_path_from_name(service);
1220 if (!path)
1221 return log_oom();
2a453c2e 1222
75152a4d
LP		 1223 r = sd_bus_match_signal_async(
1224 bus,
1225 &c.match,
1226 "org.freedesktop.systemd1",
1227 path,
1228 "org.freedesktop.DBus.Properties",
1229 "PropertiesChanged",
1230 on_properties_changed, NULL, &c);
95f1d6bf 1231 if (r < 0)
75152a4d 1232 return log_error_errno(r, "Failed to request properties changed signal match: %m");
4c213d6c 1233
d147457c 1234 r = sd_bus_attach_event(bus, c.event, SD_EVENT_PRIORITY_NORMAL);
95f1d6bf 1235 if (r < 0)
75152a4d 1236 return log_error_errno(r, "Failed to attach bus to event loop: %m");
5b1bad8d 1237
95f1d6bf
LP		 1238 r = run_context_update(&c, path);
1239 if (r < 0)
1240 return r;
2a453c2e
LP		 1241
1242 r = sd_event_loop(c.event);
4c213d6c 1243 if (r < 0)
9b15b784 1244 return log_error_errno(r, "Failed to run event loop: %m");
4c213d6c 1245
2a453c2e
LP		 1246 if (c.forward) {
1247 char last_char = 0;
4c213d6c 1248
2a453c2e
LP		 1249 r = pty_forward_get_last_char(c.forward, &last_char);
1250 if (r >= 0 && !arg_quiet && last_char != '\n')
1251 fputc('\n', stdout);
1252 }
4c213d6c 1253
95f1d6bf 1254 if (arg_wait && !arg_quiet) {
9182fb52
LP		 1255
1256 /* Explicitly destroy the PTY forwarder, so that the PTY device is usable again, in its
1257 * original settings (i.e. proper line breaks), so that we can show the summary in a pretty
1258 * way. */
1259 c.forward = pty_forward_free(c.forward);
1260
2a453c2e
LP		 1261 if (!isempty(c.result))
1262 log_info("Finished with result: %s", strna(c.result));
9f2e86af 1263
2a453c2e
LP		 1264 if (c.exit_code == CLD_EXITED)
1265 log_info("Main processes terminated with: code=%s/status=%i", sigchld_code_to_string(c.exit_code), c.exit_status);
1266 else if (c.exit_code > 0)
1267 log_info("Main processes terminated with: code=%s/status=%s", sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status));
1268
1269 if (c.inactive_enter_usec > 0 && c.inactive_enter_usec != USEC_INFINITY &&
1270 c.inactive_exit_usec > 0 && c.inactive_exit_usec != USEC_INFINITY &&
1271 c.inactive_enter_usec > c.inactive_exit_usec) {
1272 char ts[FORMAT_TIMESPAN_MAX];
1273 log_info("Service runtime: %s", format_timespan(ts, sizeof(ts), c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC));
1274 }
1275
655aab20 1276 if (c.cpu_usage_nsec != NSEC_INFINITY) {
2a453c2e
LP		 1277 char ts[FORMAT_TIMESPAN_MAX];
1278 log_info("CPU time consumed: %s", format_timespan(ts, sizeof(ts), (c.cpu_usage_nsec + NSEC_PER_USEC - 1) / NSEC_PER_USEC, USEC_PER_MSEC));
1279 }
655aab20
LP		 1280
1281 if (c.ip_ingress_bytes != UINT64_MAX) {
1282 char bytes[FORMAT_BYTES_MAX];
1283 log_info("IP traffic received: %s", format_bytes(bytes, sizeof(bytes), c.ip_ingress_bytes));
1284 }
1285 if (c.ip_egress_bytes != UINT64_MAX) {
1286 char bytes[FORMAT_BYTES_MAX];
1287 log_info("IP traffic sent: %s", format_bytes(bytes, sizeof(bytes), c.ip_egress_bytes));
1288 }
826f7cb1
LP		 1289 if (c.io_read_bytes != UINT64_MAX) {
1290 char bytes[FORMAT_BYTES_MAX];
1291 log_info("IO bytes read: %s", format_bytes(bytes, sizeof(bytes), c.io_read_bytes));
1292 }
1293 if (c.io_write_bytes != UINT64_MAX) {
1294 char bytes[FORMAT_BYTES_MAX];
1295 log_info("IO bytes written: %s", format_bytes(bytes, sizeof(bytes), c.io_write_bytes));
1296 }
2a453c2e
LP		 1297 }
1298
1299 /* Try to propagate the service's return value */
1300 if (c.result && STR_IN_SET(c.result, "success", "exit-code") && c.exit_code == CLD_EXITED)
1301 *retval = c.exit_status;
1302 else
1303 *retval = EXIT_FAILURE;
1304 }
7040b626
LP		 1305
1306 return 0;
6c12b52e
LP		 1307}
1308
00f8eea8
LP		 1309static int acquire_invocation_id(sd_bus *bus, sd_id128_t *ret) {
1310 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1311 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1312 const void *p;
1313 size_t l;
1314 int r;
1315
1316 assert(bus);
1317 assert(ret);
6c12b52e 1318
00f8eea8
LP		 1319 r = sd_bus_get_property(bus,
1320 "org.freedesktop.systemd1",
1321 "/org/freedesktop/systemd1/unit/self",
1322 "org.freedesktop.systemd1.Unit",
1323 "InvocationID",
1324 &error,
1325 &reply,
1326 "ay");
1327 if (r < 0)
1328 return log_error_errno(r, "Failed to request invocation ID for scope: %s", bus_error_message(&error, r));
1329
1330 r = sd_bus_message_read_array(reply, 'y', &p, &l);
1331 if (r < 0)
1332 return bus_log_parse_error(r);
1333
1334 if (l != sizeof(sd_id128_t))
1335 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid UUID size, %zu != %zu.", l, sizeof(sd_id128_t));
1336
1337 memcpy(ret, p, l);
1338 return 0;
1339}
1340
1341static int start_transient_scope(sd_bus *bus) {
4afd3348
LP		 1342 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1343 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 1344 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
9b15b784 1345 _cleanup_strv_free_ char **env = NULL, **user_env = NULL;
4c213d6c 1346 _cleanup_free_ char *scope = NULL;
de158ed2 1347 const char *object = NULL;
00f8eea8 1348 sd_id128_t invocation_id;
6c12b52e
LP		 1349 int r;
1350
8159d91a 1351 assert(bus);
badd28e1 1352 assert(!strv_isempty(arg_cmdline));
8159d91a 1353
de158ed2
LP		 1354 r = bus_wait_for_jobs_new(bus, &w);
1355 if (r < 0)
1356 return log_oom();
1357
7de80bfe 1358 if (arg_unit) {
37cbc1d5 1359 r = unit_name_mangle_with_suffix(arg_unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".scope", &scope);
7410616c
LP		 1360 if (r < 0)
1361 return log_error_errno(r, "Failed to mangle scope name: %m");
9c8d1e1a
LP		 1362 } else {
1363 r = make_unit_name(bus, UNIT_SCOPE, &scope);
1364 if (r < 0)
1365 return r;
1366 }
6c12b52e 1367
4c213d6c 1368 r = sd_bus_message_new_method_call(
9b15b784
LP		 1369 bus,
1370 &m,
1371 "org.freedesktop.systemd1",
1372 "/org/freedesktop/systemd1",
1373 "org.freedesktop.systemd1.Manager",
1374 "StartTransientUnit");
c2756a68 1375 if (r < 0)
7040b626 1376 return bus_log_create_error(r);
c2756a68 1377
8c7db2fb
EV		 1378 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1379 if (r < 0)
1380 return bus_log_create_error(r);
1381
9b15b784 1382 /* Name and Mode */
4c213d6c
WC		 1383 r = sd_bus_message_append(m, "ss", scope, "fail");
1384 if (r < 0)
1385 return bus_log_create_error(r);
1386
9b15b784 1387 /* Properties */
4c213d6c
WC		 1388 r = sd_bus_message_open_container(m, 'a', "(sv)");
1389 if (r < 0)
1390 return bus_log_create_error(r);
1391
1392 r = transient_scope_set_properties(m);
1393 if (r < 0)
f53bddf3 1394 return r;
4c213d6c
WC		 1395
1396 r = sd_bus_message_close_container(m);
1397 if (r < 0)
1398 return bus_log_create_error(r);
1399
ee451d76 1400 /* Auxiliary units */
4c213d6c 1401 r = sd_bus_message_append(m, "a(sa(sv))", 0);
6c12b52e 1402 if (r < 0)
7040b626 1403 return bus_log_create_error(r);
6c12b52e 1404
8a4b13c5 1405 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1406
de158ed2 1407 r = sd_bus_call(bus, m, 0, &error, &reply);
4ae25393
YW		 1408 if (r < 0)
1409 return log_error_errno(r, "Failed to start transient scope unit: %s", bus_error_message(&error, -r));
c2756a68 1410
00f8eea8
LP		 1411 r = sd_bus_message_read(reply, "o", &object);
1412 if (r < 0)
1413 return bus_log_parse_error(r);
1414
1415 r = bus_wait_for_jobs_one(w, object, arg_quiet);
1416 if (r < 0)
1417 return r;
1418
1419 r = acquire_invocation_id(bus, &invocation_id);
1420 if (r < 0)
1421 return r;
1422
1423 r = strv_extendf(&user_env, "INVOCATION_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(invocation_id));
1424 if (r < 0)
1425 return log_oom();
1426
4de33e7f 1427 if (arg_nice_set) {
4a62c710
MS		 1428 if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0)
1429 return log_error_errno(errno, "Failed to set nice level: %m");
4de33e7f
LP		 1430 }
1431
1432 if (arg_exec_group) {
1433 gid_t gid;
1434
fafff8f1 1435 r = get_group_creds(&arg_exec_group, &gid, 0);
f647962d
MS		 1436 if (r < 0)
1437 return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group);
4de33e7f 1438
4a62c710
MS		 1439 if (setresgid(gid, gid, gid) < 0)
1440 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 1441 }
1442
1443 if (arg_exec_user) {
1444 const char *home, *shell;
1445 uid_t uid;
1446 gid_t gid;
1447
43ad3ad7 1448 r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell, USER_CREDS_CLEAN|USER_CREDS_PREFER_NSS);
f647962d
MS		 1449 if (r < 0)
1450 return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user);
4de33e7f 1451
be39ccf3
LP		 1452 if (home) {
1453 r = strv_extendf(&user_env, "HOME=%s", home);
1454 if (r < 0)
1455 return log_oom();
1456 }
4de33e7f 1457
be39ccf3
LP		 1458 if (shell) {
1459 r = strv_extendf(&user_env, "SHELL=%s", shell);
1460 if (r < 0)
1461 return log_oom();
1462 }
4de33e7f
LP		 1463
1464 r = strv_extendf(&user_env, "USER=%s", arg_exec_user);
1465 if (r < 0)
1466 return log_oom();
1467
1468 r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user);
1469 if (r < 0)
1470 return log_oom();
1471
1472 if (!arg_exec_group) {
4a62c710
MS		 1473 if (setresgid(gid, gid, gid) < 0)
1474 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 1475 }
1476
4a62c710
MS		 1477 if (setresuid(uid, uid, uid) < 0)
1478 return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid);
4de33e7f
LP		 1479 }
1480
1481 env = strv_env_merge(3, environ, user_env, arg_environment);
1482 if (!env)
1483 return log_oom();
1484
095dc596 1485 if (!arg_quiet)
f3ea87af 1486 log_info("Running scope as unit: %s", scope);
7040b626 1487
badd28e1 1488 execvpe(arg_cmdline[0], arg_cmdline, env);
9b15b784
LP		 1489
1490 return log_error_errno(errno, "Failed to execute: %m");
1491}
1492
d59ef3e2 1493static int start_transient_trigger(
9b15b784 1494 sd_bus *bus,
d59ef3e2 1495 const char *suffix) {
9b15b784 1496
4afd3348
LP		 1497 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1498 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 1499 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
d59ef3e2 1500 _cleanup_free_ char *trigger = NULL, *service = NULL;
de158ed2 1501 const char *object = NULL;
9b15b784
LP		 1502 int r;
1503
1504 assert(bus);
9b15b784 1505
de158ed2
LP		 1506 r = bus_wait_for_jobs_new(bus, &w);
1507 if (r < 0)
1508 return log_oom();
1509
9b15b784 1510 if (arg_unit) {
7410616c 1511 switch (unit_name_to_type(arg_unit)) {
9b15b784
LP		 1512
1513 case UNIT_SERVICE:
1514 service = strdup(arg_unit);
1515 if (!service)
1516 return log_oom();
1517
d59ef3e2 1518 r = unit_name_change_suffix(service, suffix, &trigger);
7410616c
LP		 1519 if (r < 0)
1520 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1521 break;
1522
1523 case UNIT_TIMER:
d59ef3e2
YW		 1524 trigger = strdup(arg_unit);
1525 if (!trigger)
9b15b784
LP		 1526 return log_oom();
1527
d59ef3e2 1528 r = unit_name_change_suffix(trigger, ".service", &service);
7410616c
LP		 1529 if (r < 0)
1530 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1531 break;
1532
1533 default:
37cbc1d5 1534 r = unit_name_mangle_with_suffix(arg_unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".service", &service);
7410616c
LP		 1535 if (r < 0)
1536 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784 1537
37cbc1d5 1538 r = unit_name_mangle_with_suffix(arg_unit, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, suffix, &trigger);
7410616c
LP		 1539 if (r < 0)
1540 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784
LP		 1541
1542 break;
1543 }
9c8d1e1a
LP		 1544 } else {
1545 r = make_unit_name(bus, UNIT_SERVICE, &service);
1546 if (r < 0)
1547 return r;
1548
d59ef3e2 1549 r = unit_name_change_suffix(service, suffix, &trigger);
9c8d1e1a
LP		 1550 if (r < 0)
1551 return log_error_errno(r, "Failed to change unit suffix: %m");
1552 }
9b15b784
LP		 1553
1554 r = sd_bus_message_new_method_call(
1555 bus,
1556 &m,
1557 "org.freedesktop.systemd1",
1558 "/org/freedesktop/systemd1",
1559 "org.freedesktop.systemd1.Manager",
1560 "StartTransientUnit");
1561 if (r < 0)
1562 return bus_log_create_error(r);
1563
8c7db2fb
EV		 1564 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1565 if (r < 0)
1566 return bus_log_create_error(r);
1567
9b15b784 1568 /* Name and Mode */
d59ef3e2 1569 r = sd_bus_message_append(m, "ss", trigger, "fail");
9b15b784
LP		 1570 if (r < 0)
1571 return bus_log_create_error(r);
1572
1573 /* Properties */
1574 r = sd_bus_message_open_container(m, 'a', "(sv)");
1575 if (r < 0)
1576 return bus_log_create_error(r);
1577
d59ef3e2
YW		 1578 if (streq(suffix, ".path"))
1579 r = transient_unit_set_properties(m, UNIT_PATH, arg_path_property);
1580 else if (streq(suffix, ".socket"))
1581 r = transient_unit_set_properties(m, UNIT_SOCKET, arg_socket_property);
1582 else if (streq(suffix, ".timer"))
1583 r = transient_timer_set_properties(m);
1584 else
1585 assert_not_reached("Invalid suffix");
9b15b784 1586 if (r < 0)
f53bddf3 1587 return r;
9b15b784
LP		 1588
1589 r = sd_bus_message_close_container(m);
1590 if (r < 0)
1591 return bus_log_create_error(r);
1592
1593 r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
1594 if (r < 0)
1595 return bus_log_create_error(r);
1596
badd28e1 1597 if (!strv_isempty(arg_cmdline)) {
9b15b784
LP		 1598 r = sd_bus_message_open_container(m, 'r', "sa(sv)");
1599 if (r < 0)
1600 return bus_log_create_error(r);
1601
1602 r = sd_bus_message_append(m, "s", service);
1603 if (r < 0)
1604 return bus_log_create_error(r);
1605
1606 r = sd_bus_message_open_container(m, 'a', "(sv)");
1607 if (r < 0)
1608 return bus_log_create_error(r);
1609
badd28e1 1610 r = transient_service_set_properties(m, NULL);
9b15b784 1611 if (r < 0)
f53bddf3 1612 return r;
9b15b784
LP		 1613
1614 r = sd_bus_message_close_container(m);
1615 if (r < 0)
1616 return bus_log_create_error(r);
1617
1618 r = sd_bus_message_close_container(m);
1619 if (r < 0)
1620 return bus_log_create_error(r);
1621 }
1622
1623 r = sd_bus_message_close_container(m);
1624 if (r < 0)
1625 return bus_log_create_error(r);
1626
8a4b13c5 1627 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1628
de158ed2 1629 r = sd_bus_call(bus, m, 0, &error, &reply);
4ae25393
YW		 1630 if (r < 0)
1631 return log_error_errno(r, "Failed to start transient %s unit: %s", suffix + 1, bus_error_message(&error, -r));
9b15b784 1632
de158ed2
LP		 1633 r = sd_bus_message_read(reply, "o", &object);
1634 if (r < 0)
1635 return bus_log_parse_error(r);
1636
1637 r = bus_wait_for_jobs_one(w, object, arg_quiet);
1638 if (r < 0)
1639 return r;
1640
3dea75de 1641 if (!arg_quiet) {
d59ef3e2 1642 log_info("Running %s as unit: %s", suffix + 1, trigger);
badd28e1 1643 if (!strv_isempty(arg_cmdline))
3dea75de
NO		 1644 log_info("Will run service as unit: %s", service);
1645 }
9b15b784
LP		 1646
1647 return 0;
c2756a68
LP		 1648}
1649
ef08ad7a 1650static int run(int argc, char* argv[]) {
4afd3348 1651 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
badd28e1 1652 _cleanup_free_ char *description = NULL;
2a453c2e 1653 int r, retval = EXIT_SUCCESS;
c2756a68 1654
1a043959 1655 log_show_color(true);
c2756a68
LP		 1656 log_parse_environment();
1657 log_open();
1658
6c12b52e
LP		 1659 r = parse_argv(argc, argv);
1660 if (r <= 0)
0565120f 1661 return r;
c2756a68 1662
badd28e1
LP		 1663 if (!strv_isempty(arg_cmdline) && arg_transport == BUS_TRANSPORT_LOCAL) {
1664 _cleanup_free_ char *command = NULL;
1665
85eca92e
LP		 1666 /* Patch in an absolute path */
1667
badd28e1 1668 r = find_binary(arg_cmdline[0], &command);
0565120f
LP		 1669 if (r < 0)
1670 return log_error_errno(r, "Failed to find executable %s: %m", arg_cmdline[0]);
85eca92e 1671
badd28e1 1672 free_and_replace(arg_cmdline[0], command);
c9d954b2 1673 }
c9d954b2 1674
9f2e86af 1675 if (!arg_description) {
badd28e1 1676 description = strv_join(arg_cmdline, " ");
0565120f
LP		 1677 if (!description)
1678 return log_oom();
9f2e86af 1679
4c213d6c 1680 if (arg_unit && isempty(description)) {
2fc09a9c
DM		 1681 r = free_and_strdup(&description, arg_unit);
1682 if (r < 0)
0565120f 1683 return log_oom();
4c213d6c
WC		 1684 }
1685
9f2e86af
LP		 1686 arg_description = description;
1687 }
1688
2a453c2e
LP		 1689 /* If --wait is used connect via the bus, unconditionally, as ref/unref is not supported via the limited direct
1690 * connection */
5dca7739 1691 if (arg_wait || arg_stdio != ARG_STDIO_NONE)
2a453c2e
LP		 1692 r = bus_connect_transport(arg_transport, arg_host, arg_user, &bus);
1693 else
1694 r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
0565120f
LP		 1695 if (r < 0)
1696 return log_error_errno(r, "Failed to create bus connection: %m");
c2756a68 1697
6c12b52e 1698 if (arg_scope)
badd28e1 1699 r = start_transient_scope(bus);
d59ef3e2 1700 else if (arg_path_property)
badd28e1 1701 r = start_transient_trigger(bus, ".path");
d59ef3e2 1702 else if (arg_socket_property)
badd28e1 1703 r = start_transient_trigger(bus, ".socket");
787be190 1704 else if (arg_with_timer)
badd28e1 1705 r = start_transient_trigger(bus, ".timer");
6c12b52e 1706 else
badd28e1 1707 r = start_transient_service(bus, &retval);
0565120f
LP		 1708 if (r < 0)
1709 return r;
c2756a68 1710
0565120f 1711 return retval;
c2756a68 1712}
ef08ad7a
LP		 1713
1714DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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