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Merge pull request #25791 from keszybz/ukify-check-inputs
[thirdparty/systemd.git] / src / run / run.c
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
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"
d6b4d1c7 13#include "build.h"
3f6fd1ba 14#include "bus-error.h"
9b71e4ab 15#include "bus-locator.h"
807542be 16#include "bus-map-properties.h"
20b16441 17#include "bus-unit-util.h"
e45c81b8 18#include "bus-wait-for-jobs.h"
3f6fd1ba 19#include "calendarspec.h"
4de33e7f 20#include "env-util.h"
7f3614e5 21#include "exit-status.h"
3ffd4af2 22#include "fd-util.h"
f97b34a6 23#include "format-util.h"
ef08ad7a 24#include "main-func.h"
614b022c 25#include "parse-argument.h"
cf0fbc49 26#include "parse-util.h"
4bcc8c3c 27#include "path-util.h"
294bf0c3 28#include "pretty-print.h"
2a453c2e 29#include "process-util.h"
9b15b784 30#include "ptyfwd.h"
24882e06 31#include "signal-util.h"
8c7db2fb 32#include "spawn-polkit-agent.h"
3f6fd1ba 33#include "strv.h"
66cb2fde 34#include "terminal-util.h"
89ada3ba 35#include "unit-def.h"
3f6fd1ba 36#include "unit-name.h"
b1d4f8e1 37#include "user-util.h"
c2756a68 38
8c7db2fb 39static bool arg_ask_password = true;
6c12b52e 40static bool arg_scope = false;
6577c7ce 41static bool arg_remain_after_exit = false;
3d161f99 42static bool arg_no_block = false;
2a453c2e 43static bool arg_wait = false;
6c12b52e 44static const char *arg_unit = NULL;
9f2e86af 45static const char *arg_description = NULL;
c221420b 46static const char *arg_slice = NULL;
2c7039b3 47static bool arg_slice_inherit = false;
a6c0353b 48static bool arg_send_sighup = false;
d21ed1ea 49static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
1ac67edb 50static const char *arg_host = NULL;
d21ed1ea 51static bool arg_user = false;
c7040b5d
LP		 52static const char *arg_service_type = NULL;
53static const char *arg_exec_user = NULL;
54static const char *arg_exec_group = NULL;
55static int arg_nice = 0;
56static bool arg_nice_set = false;
57static char **arg_environment = NULL;
df31a6c0 58static char **arg_property = NULL;
5dca7739
LP		 59static enum {
60 ARG_STDIO_NONE, /* The default, as it is for normal services, stdin connected to /dev/null, and stdout+stderr to the journal */
61 ARG_STDIO_PTY, /* Interactive behaviour, requested by --pty: we allocate a pty and connect it to the TTY we are invoked from */
62 ARG_STDIO_DIRECT, /* Directly pass our stdin/stdout/stderr to the activated service, useful for usage in shell pipelines, requested by --pipe */
63 ARG_STDIO_AUTO, /* If --pipe and --pty are used together we use --pty when invoked on a TTY, and --pipe otherwise */
64} arg_stdio = ARG_STDIO_NONE;
d59ef3e2
YW		 65static char **arg_path_property = NULL;
66static char **arg_socket_property = NULL;
4c213d6c 67static char **arg_timer_property = NULL;
787be190 68static bool arg_with_timer = false;
095dc596 69static bool arg_quiet = false;
fe9d0be9 70static bool arg_aggressive_gc = false;
2d21165a 71static char *arg_working_directory = NULL;
badd28e1
LP		 72static bool arg_shell = false;
73static char **arg_cmdline = NULL;
c2756a68 74
0565120f
LP		 75STATIC_DESTRUCTOR_REGISTER(arg_environment, strv_freep);
76STATIC_DESTRUCTOR_REGISTER(arg_property, strv_freep);
77STATIC_DESTRUCTOR_REGISTER(arg_path_property, strv_freep);
78STATIC_DESTRUCTOR_REGISTER(arg_socket_property, strv_freep);
79STATIC_DESTRUCTOR_REGISTER(arg_timer_property, strv_freep);
80STATIC_DESTRUCTOR_REGISTER(arg_working_directory, freep);
81STATIC_DESTRUCTOR_REGISTER(arg_cmdline, strv_freep);
82
37ec0fdd
LP		 83static int help(void) {
84 _cleanup_free_ char *link = NULL;
85 int r;
86
87 r = terminal_urlify_man("systemd-run", "1", &link);
88 if (r < 0)
89 return log_oom();
90
353b2baa
LP		 91 printf("%s [OPTIONS...] COMMAND [ARGUMENTS...]\n"
92 "\n%sRun the specified command in a transient scope or service.%s\n\n"
4c213d6c
WC		 93 " -h --help Show this help\n"
94 " --version Show package version\n"
8c7db2fb 95 " --no-ask-password Do not prompt for password\n"
4c213d6c
WC		 96 " --user Run as user unit\n"
97 " -H --host=[USER@]HOST Operate on remote host\n"
98 " -M --machine=CONTAINER Operate on local container\n"
99 " --scope Run this as scope rather than service\n"
7976b9f0 100 " -u --unit=UNIT Run under the specified unit name\n"
ad2c1701 101 " -p --property=NAME=VALUE Set service or scope unit property\n"
4c213d6c
WC		 102 " --description=TEXT Description for unit\n"
103 " --slice=SLICE Run in the specified slice\n"
2c7039b3 104 " --slice-inherit Inherit the slice\n"
3d161f99 105 " --no-block Do not wait until operation finished\n"
4c213d6c 106 " -r --remain-after-exit Leave service around until explicitly stopped\n"
2a453c2e 107 " --wait Wait until service stopped again\n"
4c213d6c
WC		 108 " --send-sighup Send SIGHUP when terminating\n"
109 " --service-type=TYPE Service type\n"
110 " --uid=USER Run as system user\n"
111 " --gid=GROUP Run as system group\n"
112 " --nice=NICE Nice level\n"
2d21165a
LP		 113 " --working-directory=PATH Set working directory\n"
114 " -d --same-dir Inherit working directory from caller\n"
0337b3d5 115 " -E --setenv=NAME[=VALUE] Set environment variable\n"
5dca7739
LP		 116 " -t --pty Run service on pseudo TTY as STDIN/STDOUT/\n"
117 " STDERR\n"
118 " -P --pipe Pass STDIN/STDOUT/STDERR directly to service\n"
fe9d0be9 119 " -q --quiet Suppress information messages during runtime\n"
badd28e1
LP		 120 " -G --collect Unload unit after it ran, even when failed\n"
121 " -S --shell Invoke a $SHELL interactively\n\n"
d59ef3e2
YW		 122 "Path options:\n"
123 " --path-property=NAME=VALUE Set path unit property\n\n"
124 "Socket options:\n"
125 " --socket-property=NAME=VALUE Set socket unit property\n\n"
ad2c1701 126 "Timer options:\n"
b57b0625
ZJS		 127 " --on-active=SECONDS Run after SECONDS delay\n"
128 " --on-boot=SECONDS Run SECONDS after machine was booted up\n"
129 " --on-startup=SECONDS Run SECONDS after systemd activation\n"
130 " --on-unit-active=SECONDS Run SECONDS after the last activation\n"
131 " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n"
4c213d6c 132 " --on-calendar=SPEC Realtime timer\n"
efebb613
LP		 133 " --on-timezone-change Run when the timezone changes\n"
134 " --on-clock-change Run when the realtime clock jumps\n"
ad2c1701 135 " --timer-property=NAME=VALUE Set timer unit property\n"
bc556335
DDM		 136 "\nSee the %s for details.\n",
137 program_invocation_short_name,
138 ansi_highlight(),
139 ansi_normal(),
140 link);
37ec0fdd
LP		 141
142 return 0;
6c12b52e
LP		 143}
144
f2b9f2c8 145static int add_timer_property(const char *name, const char *val) {
18939728 146 char *p;
f2b9f2c8
YW		 147
148 assert(name);
149 assert(val);
150
151 p = strjoin(name, "=", val);
152 if (!p)
153 return log_oom();
154
155 if (strv_consume(&arg_timer_property, p) < 0)
156 return log_oom();
157
f2b9f2c8 158 return 0;
4c213d6c
WC		 159}
160
6c12b52e
LP		 161static int parse_argv(int argc, char *argv[]) {
162
163 enum {
164 ARG_VERSION = 0x100,
165 ARG_USER,
66b1e746 166 ARG_SYSTEM,
6c12b52e 167 ARG_SCOPE,
c221420b 168 ARG_DESCRIPTION,
a6c0353b 169 ARG_SLICE,
2c7039b3 170 ARG_SLICE_INHERIT,
a6c0353b 171 ARG_SEND_SIGHUP,
5cfde70c 172 ARG_SERVICE_TYPE,
c7040b5d
LP		 173 ARG_EXEC_USER,
174 ARG_EXEC_GROUP,
c7040b5d 175 ARG_NICE,
4c213d6c
WC		 176 ARG_ON_ACTIVE,
177 ARG_ON_BOOT,
178 ARG_ON_STARTUP,
179 ARG_ON_UNIT_ACTIVE,
180 ARG_ON_UNIT_INACTIVE,
181 ARG_ON_CALENDAR,
efebb613
LP		 182 ARG_ON_TIMEZONE_CHANGE,
183 ARG_ON_CLOCK_CHANGE,
3d161f99 184 ARG_TIMER_PROPERTY,
d59ef3e2
YW		 185 ARG_PATH_PROPERTY,
186 ARG_SOCKET_PROPERTY,
3d161f99 187 ARG_NO_BLOCK,
5cfde70c 188 ARG_NO_ASK_PASSWORD,
2a453c2e 189 ARG_WAIT,
2d21165a 190 ARG_WORKING_DIRECTORY,
badd28e1 191 ARG_SHELL,
6c12b52e
LP		 192 };
193
194 static const struct option options[] = {
2d21165a
LP		 195 { "help", no_argument, NULL, 'h' },
196 { "version", no_argument, NULL, ARG_VERSION },
197 { "user", no_argument, NULL, ARG_USER },
198 { "system", no_argument, NULL, ARG_SYSTEM },
199 { "scope", no_argument, NULL, ARG_SCOPE },
7976b9f0 200 { "unit", required_argument, NULL, 'u' },
2d21165a
LP		 201 { "description", required_argument, NULL, ARG_DESCRIPTION },
202 { "slice", required_argument, NULL, ARG_SLICE },
2c7039b3 203 { "slice-inherit", no_argument, NULL, ARG_SLICE_INHERIT },
2d21165a
LP		 204 { "remain-after-exit", no_argument, NULL, 'r' },
205 { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
206 { "host", required_argument, NULL, 'H' },
207 { "machine", required_argument, NULL, 'M' },
208 { "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
209 { "wait", no_argument, NULL, ARG_WAIT },
210 { "uid", required_argument, NULL, ARG_EXEC_USER },
211 { "gid", required_argument, NULL, ARG_EXEC_GROUP },
212 { "nice", required_argument, NULL, ARG_NICE },
213 { "setenv", required_argument, NULL, 'E' },
214 { "property", required_argument, NULL, 'p' },
215 { "tty", no_argument, NULL, 't' }, /* deprecated alias */
216 { "pty", no_argument, NULL, 't' },
217 { "pipe", no_argument, NULL, 'P' },
218 { "quiet", no_argument, NULL, 'q' },
219 { "on-active", required_argument, NULL, ARG_ON_ACTIVE },
220 { "on-boot", required_argument, NULL, ARG_ON_BOOT },
221 { "on-startup", required_argument, NULL, ARG_ON_STARTUP },
222 { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
223 { "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
224 { "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
efebb613
LP		 225 { "on-timezone-change",no_argument, NULL, ARG_ON_TIMEZONE_CHANGE},
226 { "on-clock-change", no_argument, NULL, ARG_ON_CLOCK_CHANGE },
2d21165a
LP		 227 { "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
228 { "path-property", required_argument, NULL, ARG_PATH_PROPERTY },
229 { "socket-property", required_argument, NULL, ARG_SOCKET_PROPERTY },
230 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
231 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
232 { "collect", no_argument, NULL, 'G' },
233 { "working-directory", required_argument, NULL, ARG_WORKING_DIRECTORY },
234 { "same-dir", no_argument, NULL, 'd' },
badd28e1 235 { "shell", no_argument, NULL, 'S' },
eb9da376 236 {},
6c12b52e
LP		 237 };
238
d59ef3e2 239 bool with_trigger = false;
c7040b5d 240 int r, c;
6c12b52e
LP		 241
242 assert(argc >= 0);
243 assert(argv);
244
7976b9f0 245 while ((c = getopt_long(argc, argv, "+hrH:M:E:p:tPqGdSu:", options, NULL)) >= 0)
6c12b52e
LP		 246
247 switch (c) {
248
249 case 'h':
37ec0fdd 250 return help();
6c12b52e 251
ad2c1701
LP		 252 case ARG_VERSION:
253 return version();
254
8c7db2fb
EV		 255 case ARG_NO_ASK_PASSWORD:
256 arg_ask_password = false;
257 break;
258
6c12b52e
LP		 259 case ARG_USER:
260 arg_user = true;
261 break;
262
66b1e746
LP		 263 case ARG_SYSTEM:
264 arg_user = false;
265 break;
266
6c12b52e
LP		 267 case ARG_SCOPE:
268 arg_scope = true;
269 break;
270
7976b9f0 271 case 'u':
6c12b52e
LP		 272 arg_unit = optarg;
273 break;
274
9f2e86af
LP		 275 case ARG_DESCRIPTION:
276 arg_description = optarg;
277 break;
278
c221420b
LP		 279 case ARG_SLICE:
280 arg_slice = optarg;
281 break;
282
2c7039b3
MAL		 283 case ARG_SLICE_INHERIT:
284 arg_slice_inherit = true;
285 break;
286
a6c0353b
LP		 287 case ARG_SEND_SIGHUP:
288 arg_send_sighup = true;
289 break;
290
6577c7ce
LP		 291 case 'r':
292 arg_remain_after_exit = true;
293 break;
294
d21ed1ea
LP		 295 case 'H':
296 arg_transport = BUS_TRANSPORT_REMOTE;
297 arg_host = optarg;
298 break;
299
300 case 'M':
de33fc62 301 arg_transport = BUS_TRANSPORT_MACHINE;
d21ed1ea
LP		 302 arg_host = optarg;
303 break;
304
c7040b5d
LP		 305 case ARG_SERVICE_TYPE:
306 arg_service_type = optarg;
307 break;
308
309 case ARG_EXEC_USER:
310 arg_exec_user = optarg;
311 break;
312
313 case ARG_EXEC_GROUP:
314 arg_exec_group = optarg;
315 break;
316
317 case ARG_NICE:
41bf0590
LP		 318 r = parse_nice(optarg, &arg_nice);
319 if (r < 0)
320 return log_error_errno(r, "Failed to parse nice value: %s", optarg);
c7040b5d
LP		 321
322 arg_nice_set = true;
323 break;
324
b5911366 325 case 'E':
0337b3d5
ZJS		 326 r = strv_env_replace_strdup_passthrough(&arg_environment, optarg);
327 if (r < 0)
328 return log_error_errno(r, "Cannot assign environment variable %s: %m", optarg);
c7040b5d
LP		 329
330 break;
331
df31a6c0 332 case 'p':
df31a6c0
LP		 333 if (strv_extend(&arg_property, optarg) < 0)
334 return log_oom();
335
336 break;
337
5dca7739
LP		 338 case 't': /* --pty */
339 if (IN_SET(arg_stdio, ARG_STDIO_DIRECT, ARG_STDIO_AUTO)) /* if --pipe is already used, upgrade to auto mode */
340 arg_stdio = ARG_STDIO_AUTO;
341 else
342 arg_stdio = ARG_STDIO_PTY;
343 break;
344
345 case 'P': /* --pipe */
346 if (IN_SET(arg_stdio, ARG_STDIO_PTY, ARG_STDIO_AUTO)) /* If --pty is already used, upgrade to auto mode */
347 arg_stdio = ARG_STDIO_AUTO;
348 else
349 arg_stdio = ARG_STDIO_DIRECT;
9b15b784
LP		 350 break;
351
095dc596
LP		 352 case 'q':
353 arg_quiet = true;
354 break;
355
4c213d6c 356 case ARG_ON_ACTIVE:
f2b9f2c8
YW		 357 r = add_timer_property("OnActiveSec", optarg);
358 if (r < 0)
4c213d6c 359 return r;
4c213d6c 360
787be190 361 arg_with_timer = true;
4c213d6c
WC		 362 break;
363
364 case ARG_ON_BOOT:
f2b9f2c8
YW		 365 r = add_timer_property("OnBootSec", optarg);
366 if (r < 0)
4c213d6c 367 return r;
4c213d6c 368
787be190 369 arg_with_timer = true;
4c213d6c
WC		 370 break;
371
372 case ARG_ON_STARTUP:
f2b9f2c8
YW		 373 r = add_timer_property("OnStartupSec", optarg);
374 if (r < 0)
4c213d6c 375 return r;
4c213d6c 376
787be190 377 arg_with_timer = true;
4c213d6c
WC		 378 break;
379
380 case ARG_ON_UNIT_ACTIVE:
f2b9f2c8
YW		 381 r = add_timer_property("OnUnitActiveSec", optarg);
382 if (r < 0)
4c213d6c 383 return r;
4c213d6c 384
787be190 385 arg_with_timer = true;
4c213d6c
WC		 386 break;
387
388 case ARG_ON_UNIT_INACTIVE:
f2b9f2c8
YW		 389 r = add_timer_property("OnUnitInactiveSec", optarg);
390 if (r < 0)
4c213d6c 391 return r;
4c213d6c 392
787be190 393 arg_with_timer = true;
4c213d6c
WC		 394 break;
395
10434dbd
FS		 396 case ARG_ON_CALENDAR: {
397 _cleanup_(calendar_spec_freep) CalendarSpec *cs = NULL;
10434dbd 398
10434dbd
FS		 399 r = calendar_spec_from_string(optarg, &cs);
400 if (r < 0)
04220fda
LP		 401 return log_error_errno(r, "Failed to parse calendar event specification: %m");
402
7842c5f2 403 /* Let's make sure the given calendar event is not in the past */
04220fda
LP		 404 r = calendar_spec_next_usec(cs, now(CLOCK_REALTIME), NULL);
405 if (r == -ENOENT)
e608bf6f
ZJS		 406 /* The calendar event is in the past — let's warn about this, but install it
407 * anyway as is. The service manager will trigger the service right away.
408 * Moreover, the server side might have a different clock or timezone than we
409 * do, hence it should decide when or whether to run something. */
04220fda
LP		 410 log_warning("Specified calendar expression is in the past, proceeding anyway.");
411 else if (r < 0)
412 return log_error_errno(r, "Failed to calculate next time calendar expression elapses: %m");
10434dbd 413
f2b9f2c8
YW		 414 r = add_timer_property("OnCalendar", optarg);
415 if (r < 0)
efebb613
LP		 416 return r;
417
418 arg_with_timer = true;
419 break;
10434dbd 420 }
efebb613
LP		 421
422 case ARG_ON_TIMEZONE_CHANGE:
423 r = add_timer_property("OnTimezoneChange", "yes");
424 if (r < 0)
425 return r;
426
427 arg_with_timer = true;
428 break;
429
430 case ARG_ON_CLOCK_CHANGE:
431 r = add_timer_property("OnClockChange", "yes");
432 if (r < 0)
4c213d6c 433 return r;
024a8ec1 434
787be190 435 arg_with_timer = true;
4c213d6c
WC		 436 break;
437
438 case ARG_TIMER_PROPERTY:
439
440 if (strv_extend(&arg_timer_property, optarg) < 0)
441 return log_oom();
442
787be190 443 arg_with_timer = arg_with_timer ||
49fe5c09
LP		 444 STARTSWITH_SET(optarg,
445 "OnActiveSec=",
446 "OnBootSec=",
447 "OnStartupSec=",
448 "OnUnitActiveSec=",
449 "OnUnitInactiveSec=",
450 "OnCalendar=");
4c213d6c
WC		 451 break;
452
d59ef3e2
YW		 453 case ARG_PATH_PROPERTY:
454
455 if (strv_extend(&arg_path_property, optarg) < 0)
456 return log_oom();
457
458 break;
459
460 case ARG_SOCKET_PROPERTY:
461
462 if (strv_extend(&arg_socket_property, optarg) < 0)
463 return log_oom();
464
465 break;
466
3d161f99
LP		 467 case ARG_NO_BLOCK:
468 arg_no_block = true;
469 break;
470
2a453c2e
LP		 471 case ARG_WAIT:
472 arg_wait = true;
473 break;
474
2d21165a 475 case ARG_WORKING_DIRECTORY:
614b022c 476 r = parse_path_argument(optarg, true, &arg_working_directory);
2d21165a
LP		 477 if (r < 0)
478 return r;
479
480 break;
481
482 case 'd': {
483 _cleanup_free_ char *p = NULL;
484
485 r = safe_getcwd(&p);
486 if (r < 0)
487 return log_error_errno(r, "Failed to get current working directory: %m");
488
489 if (empty_or_root(p))
490 arg_working_directory = mfree(arg_working_directory);
491 else
492 free_and_replace(arg_working_directory, p);
493 break;
494 }
495
fe9d0be9
LP		 496 case 'G':
497 arg_aggressive_gc = true;
498 break;
499
badd28e1
LP		 500 case 'S':
501 arg_shell = true;
502 break;
503
6c12b52e
LP		 504 case '?':
505 return -EINVAL;
506
507 default:
04499a70 508 assert_not_reached();
6c12b52e 509 }
6c12b52e 510
966f3a24
LP		 511 /* If we are talking to the per-user instance PolicyKit isn't going to help */
512 if (arg_user)
513 arg_ask_password = false;
514
787be190 515 with_trigger = !!arg_path_property || !!arg_socket_property || arg_with_timer;
d59ef3e2
YW		 516
517 /* currently, only single trigger (path, socket, timer) unit can be created simultaneously */
787be190 518 if ((int) !!arg_path_property + (int) !!arg_socket_property + (int) arg_with_timer > 1)
baaa35ad
ZJS		 519 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
520 "Only single trigger (path, socket, timer) unit can be created.");
5dca7739 521
badd28e1
LP		 522 if (arg_shell) {
523 /* If --shell is imply --pty --pipe --same-dir --service-type=exec --wait --collect, unless otherwise
524 * specified. */
525
526 if (!arg_scope) {
527 if (arg_stdio == ARG_STDIO_NONE)
528 arg_stdio = ARG_STDIO_AUTO;
529
530 if (!arg_working_directory) {
531 r = safe_getcwd(&arg_working_directory);
532 if (r < 0)
533 return log_error_errno(r, "Failed to get current working directory: %m");
534 }
535
536 if (!arg_service_type) {
537 arg_service_type = strdup("exec");
538 if (!arg_service_type)
539 return log_oom();
540 }
541
542 arg_wait = true;
543 }
544
545 arg_aggressive_gc = true;
546 }
547
d46b79bb 548 if (arg_stdio == ARG_STDIO_AUTO)
5dca7739
LP		 549 /* If we both --pty and --pipe are specified we'll automatically pick --pty if we are connected fully
550 * to a TTY and pick direct fd passing otherwise. This way, we automatically adapt to usage in a shell
551 * pipeline, but we are neatly interactive with tty-level isolation otherwise. */
552 arg_stdio = isatty(STDIN_FILENO) && isatty(STDOUT_FILENO) && isatty(STDERR_FILENO) ?
553 ARG_STDIO_PTY :
554 ARG_STDIO_DIRECT;
5dca7739 555
badd28e1
LP		 556 if (argc > optind) {
557 char **l;
558
559 if (arg_shell)
560 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "If --shell is used, no command line is expected.");
561
562 l = strv_copy(argv + optind);
563 if (!l)
564 return log_oom();
565
566 strv_free_and_replace(arg_cmdline, l);
567
568 } else if (arg_shell) {
569 _cleanup_free_ char *s = NULL;
570 char **l;
571
572 r = get_shell(&s);
573 if (r < 0)
574 return log_error_errno(r, "Failed to determine shell: %m");
575
576 l = strv_new(s);
577 if (!l)
578 return log_oom();
579
580 strv_free_and_replace(arg_cmdline, l);
581
582 } else if (!arg_unit || !with_trigger)
583 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Command line to execute required.");
6c12b52e 584
cbdc2949 585 if (arg_user && arg_transport == BUS_TRANSPORT_REMOTE)
baaa35ad 586 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
cbdc2949 587 "Execution in user context is not supported on remote systems.");
d21ed1ea 588
cbdc2949 589 if (arg_scope && arg_transport == BUS_TRANSPORT_REMOTE)
baaa35ad 590 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
cbdc2949 591 "Scope execution is not supported on remote systems.");
d21ed1ea 592
baaa35ad
ZJS		 593 if (arg_scope && (arg_remain_after_exit || arg_service_type))
594 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
595 "--remain-after-exit and --service-type= are not supported in --scope mode.");
c7040b5d 596
baaa35ad
ZJS		 597 if (arg_stdio != ARG_STDIO_NONE && (with_trigger || arg_scope))
598 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
599 "--pty/--pipe is not compatible in timer or --scope mode.");
9b15b784 600
baaa35ad
ZJS		 601 if (arg_stdio != ARG_STDIO_NONE && arg_transport == BUS_TRANSPORT_REMOTE)
602 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
603 "--pty/--pipe is only supported when connecting to the local system or containers.");
024a8ec1 604
baaa35ad
ZJS		 605 if (arg_stdio != ARG_STDIO_NONE && arg_no_block)
606 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
607 "--pty/--pipe is not compatible with --no-block.");
578c03bc 608
baaa35ad
ZJS		 609 if (arg_scope && with_trigger)
610 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
611 "Path, socket or timer options are not supported in --scope mode.");
4c213d6c 612
787be190 613 if (arg_timer_property && !arg_with_timer)
baaa35ad
ZJS		 614 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
615 "--timer-property= has no effect without any other timer options.");
4c213d6c 616
2a453c2e 617 if (arg_wait) {
baaa35ad
ZJS		 618 if (arg_no_block)
619 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
620 "--wait may not be combined with --no-block.");
2a453c2e 621
baaa35ad
ZJS		 622 if (with_trigger)
623 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
624 "--wait may not be combined with path, socket or timer operations.");
2a453c2e 625
baaa35ad
ZJS		 626 if (arg_scope)
627 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
628 "--wait may not be combined with --scope.");
2a453c2e
LP		 629 }
630
6c12b52e
LP		 631 return 1;
632}
633
89ada3ba 634static int transient_unit_set_properties(sd_bus_message *m, UnitType t, char **properties) {
c2756a68
LP		 635 int r;
636
9b15b784
LP		 637 r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
638 if (r < 0)
f53bddf3 639 return bus_log_create_error(r);
9b15b784 640
fe9d0be9
LP		 641 if (arg_aggressive_gc) {
642 r = sd_bus_message_append(m, "(sv)", "CollectMode", "s", "inactive-or-failed");
643 if (r < 0)
f53bddf3 644 return bus_log_create_error(r);
fe9d0be9
LP		 645 }
646
b1358f03 647 return bus_append_unit_property_assignment_many(m, t, properties);
9b15b784
LP		 648}
649
650static int transient_cgroup_set_properties(sd_bus_message *m) {
2c7039b3
MAL		 651 _cleanup_free_ char *name = NULL;
652 _cleanup_free_ char *slice = NULL;
9b15b784
LP		 653 int r;
654 assert(m);
c2756a68 655
2c7039b3
MAL		 656 if (arg_slice_inherit) {
657 char *end;
c221420b 658
2c7039b3
MAL		 659 if (arg_user)
660 r = cg_pid_get_user_slice(0, &name);
661 else
662 r = cg_pid_get_slice(0, &name);
7410616c 663 if (r < 0)
2c7039b3 664 return log_error_errno(r, "Failed to get PID slice: %m");
c221420b 665
2c7039b3
MAL		 666 end = endswith(name, ".slice");
667 if (!end)
668 return -ENXIO;
669 *end = 0;
c221420b
LP		 670 }
671
eda397c9
YW		 672 if (!isempty(arg_slice) && !strextend_with_separator(&name, "-", arg_slice))
673 return log_oom();
2c7039b3
MAL		 674
675 if (!name)
676 return 0;
677
678 r = unit_name_mangle_with_suffix(name, "as slice",
679 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
680 ".slice", &slice);
681 if (r < 0)
682 return log_error_errno(r, "Failed to mangle name '%s': %m", arg_slice);
683
684 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
685 if (r < 0)
686 return bus_log_create_error(r);
687
9b15b784
LP		 688 return 0;
689}
690
691static int transient_kill_set_properties(sd_bus_message *m) {
f53bddf3
LP		 692 int r;
693
9b15b784
LP		 694 assert(m);
695
f53bddf3
LP		 696 if (arg_send_sighup) {
697 r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
698 if (r < 0)
699 return bus_log_create_error(r);
700 }
701
702 return 0;
6c12b52e
LP		 703}
704
badd28e1 705static int transient_service_set_properties(sd_bus_message *m, const char *pty_path) {
5dca7739 706 bool send_term = false;
6c12b52e
LP		 707 int r;
708
8159d91a
LP		 709 assert(m);
710
89ada3ba 711 r = transient_unit_set_properties(m, UNIT_SERVICE, arg_property);
9b15b784
LP		 712 if (r < 0)
713 return r;
714
715 r = transient_kill_set_properties(m);
716 if (r < 0)
717 return r;
718
719 r = transient_cgroup_set_properties(m);
86b8d289
LP		 720 if (r < 0)
721 return r;
722
5dca7739 723 if (arg_wait || arg_stdio != ARG_STDIO_NONE) {
2a453c2e
LP		 724 r = sd_bus_message_append(m, "(sv)", "AddRef", "b", 1);
725 if (r < 0)
f53bddf3 726 return bus_log_create_error(r);
2a453c2e
LP		 727 }
728
df31a6c0
LP		 729 if (arg_remain_after_exit) {
730 r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit);
731 if (r < 0)
f53bddf3 732 return bus_log_create_error(r);
df31a6c0 733 }
6577c7ce 734
c7040b5d
LP		 735 if (arg_service_type) {
736 r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type);
737 if (r < 0)
f53bddf3 738 return bus_log_create_error(r);
c7040b5d
LP		 739 }
740
741 if (arg_exec_user) {
742 r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user);
743 if (r < 0)
f53bddf3 744 return bus_log_create_error(r);
c7040b5d
LP		 745 }
746
747 if (arg_exec_group) {
748 r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group);
749 if (r < 0)
f53bddf3 750 return bus_log_create_error(r);
c7040b5d
LP		 751 }
752
753 if (arg_nice_set) {
754 r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice);
755 if (r < 0)
f53bddf3 756 return bus_log_create_error(r);
c7040b5d
LP		 757 }
758
2d21165a
LP		 759 if (arg_working_directory) {
760 r = sd_bus_message_append(m, "(sv)", "WorkingDirectory", "s", arg_working_directory);
761 if (r < 0)
762 return bus_log_create_error(r);
763 }
764
9b15b784 765 if (pty_path) {
9b15b784
LP		 766 r = sd_bus_message_append(m,
767 "(sv)(sv)(sv)(sv)",
768 "StandardInput", "s", "tty",
769 "StandardOutput", "s", "tty",
770 "StandardError", "s", "tty",
771 "TTYPath", "s", pty_path);
772 if (r < 0)
f53bddf3 773 return bus_log_create_error(r);
9b15b784 774
5dca7739
LP		 775 send_term = true;
776
777 } else if (arg_stdio == ARG_STDIO_DIRECT) {
778 r = sd_bus_message_append(m,
779 "(sv)(sv)(sv)",
780 "StandardInputFileDescriptor", "h", STDIN_FILENO,
781 "StandardOutputFileDescriptor", "h", STDOUT_FILENO,
782 "StandardErrorFileDescriptor", "h", STDERR_FILENO);
783 if (r < 0)
f53bddf3 784 return bus_log_create_error(r);
5dca7739
LP		 785
786 send_term = isatty(STDIN_FILENO) || isatty(STDOUT_FILENO) || isatty(STDERR_FILENO);
787 }
788
789 if (send_term) {
790 const char *e;
791
9b15b784
LP		 792 e = getenv("TERM");
793 if (e) {
1d3b68f6
AZ		 794 _cleanup_free_ char *n = NULL;
795
796 n = strjoin("TERM=", e);
797 if (!n)
798 return log_oom();
9b15b784 799
9b15b784
LP		 800 r = sd_bus_message_append(m,
801 "(sv)",
802 "Environment", "as", 1, n);
803 if (r < 0)
f53bddf3 804 return bus_log_create_error(r);
9b15b784
LP		 805 }
806 }
807
c7040b5d
LP		 808 if (!strv_isempty(arg_environment)) {
809 r = sd_bus_message_open_container(m, 'r', "sv");
810 if (r < 0)
f53bddf3 811 return bus_log_create_error(r);
c7040b5d
LP		 812
813 r = sd_bus_message_append(m, "s", "Environment");
814 if (r < 0)
f53bddf3 815 return bus_log_create_error(r);
c7040b5d
LP		 816
817 r = sd_bus_message_open_container(m, 'v', "as");
818 if (r < 0)
f53bddf3 819 return bus_log_create_error(r);
c7040b5d
LP		 820
821 r = sd_bus_message_append_strv(m, arg_environment);
822 if (r < 0)
f53bddf3 823 return bus_log_create_error(r);
c7040b5d
LP		 824
825 r = sd_bus_message_close_container(m);
826 if (r < 0)
f53bddf3 827 return bus_log_create_error(r);
c7040b5d
LP		 828
829 r = sd_bus_message_close_container(m);
830 if (r < 0)
f53bddf3 831 return bus_log_create_error(r);
4c213d6c
WC		 832 }
833
834 /* Exec container */
badd28e1 835 if (!strv_isempty(arg_cmdline)) {
4c213d6c
WC		 836 r = sd_bus_message_open_container(m, 'r', "sv");
837 if (r < 0)
f53bddf3 838 return bus_log_create_error(r);
4c213d6c
WC		 839
840 r = sd_bus_message_append(m, "s", "ExecStart");
841 if (r < 0)
f53bddf3 842 return bus_log_create_error(r);
4c213d6c
WC		 843
844 r = sd_bus_message_open_container(m, 'v', "a(sasb)");
845 if (r < 0)
f53bddf3 846 return bus_log_create_error(r);
4c213d6c
WC		 847
848 r = sd_bus_message_open_container(m, 'a', "(sasb)");
849 if (r < 0)
f53bddf3 850 return bus_log_create_error(r);
4c213d6c
WC		 851
852 r = sd_bus_message_open_container(m, 'r', "sasb");
853 if (r < 0)
f53bddf3 854 return bus_log_create_error(r);
4c213d6c 855
badd28e1 856 r = sd_bus_message_append(m, "s", arg_cmdline[0]);
4c213d6c 857 if (r < 0)
f53bddf3 858 return bus_log_create_error(r);
4c213d6c 859
badd28e1 860 r = sd_bus_message_append_strv(m, arg_cmdline);
4c213d6c 861 if (r < 0)
f53bddf3 862 return bus_log_create_error(r);
4c213d6c
WC		 863
864 r = sd_bus_message_append(m, "b", false);
865 if (r < 0)
f53bddf3 866 return bus_log_create_error(r);
4c213d6c
WC		 867
868 r = sd_bus_message_close_container(m);
869 if (r < 0)
f53bddf3 870 return bus_log_create_error(r);
4c213d6c
WC		 871
872 r = sd_bus_message_close_container(m);
873 if (r < 0)
f53bddf3 874 return bus_log_create_error(r);
4c213d6c
WC		 875
876 r = sd_bus_message_close_container(m);
877 if (r < 0)
f53bddf3 878 return bus_log_create_error(r);
4c213d6c
WC		 879
880 r = sd_bus_message_close_container(m);
881 if (r < 0)
f53bddf3 882 return bus_log_create_error(r);
4c213d6c
WC		 883 }
884
885 return 0;
886}
887
9b15b784
LP		 888static int transient_scope_set_properties(sd_bus_message *m) {
889 int r;
890
891 assert(m);
892
89ada3ba 893 r = transient_unit_set_properties(m, UNIT_SCOPE, arg_property);
9b15b784
LP		 894 if (r < 0)
895 return r;
896
897 r = transient_kill_set_properties(m);
898 if (r < 0)
899 return r;
900
37e605f9
LP		 901 r = transient_cgroup_set_properties(m);
902 if (r < 0)
903 return r;
904
df0ff127 905 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid_cached());
9b15b784 906 if (r < 0)
f53bddf3 907 return bus_log_create_error(r);
9b15b784
LP		 908
909 return 0;
910}
911
4c213d6c
WC		 912static int transient_timer_set_properties(sd_bus_message *m) {
913 int r;
914
915 assert(m);
916
89ada3ba 917 r = transient_unit_set_properties(m, UNIT_TIMER, arg_timer_property);
4c213d6c
WC		 918 if (r < 0)
919 return r;
920
6348d701
LP		 921 /* Automatically clean up our transient timers */
922 r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false);
923 if (r < 0)
f53bddf3 924 return bus_log_create_error(r);
6348d701 925
4c213d6c
WC		 926 return 0;
927}
928
9c8d1e1a
LP		 929static int make_unit_name(sd_bus *bus, UnitType t, char **ret) {
930 const char *unique, *id;
931 char *p;
932 int r;
933
934 assert(bus);
935 assert(t >= 0);
936 assert(t < _UNIT_TYPE_MAX);
937
938 r = sd_bus_get_unique_name(bus, &unique);
939 if (r < 0) {
940 sd_id128_t rnd;
941
942 /* We couldn't get the unique name, which is a pretty
943 * common case if we are connected to systemd
944 * directly. In that case, just pick a random uuid as
945 * name */
946
947 r = sd_id128_randomize(&rnd);
948 if (r < 0)
949 return log_error_errno(r, "Failed to generate random run unit name: %m");
950
951 if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0)
952 return log_oom();
953
954 return 0;
955 }
956
e6283cbf 957 /* We managed to get the unique name, then let's use that to name our transient units. */
9c8d1e1a 958
e6283cbf
LP		 959 id = startswith(unique, ":1."); /* let' strip the usual prefix */
960 if (!id)
961 id = startswith(unique, ":"); /* the spec only requires things to start with a colon, hence
962 * let's add a generic fallback for that. */
baaa35ad
ZJS		 963 if (!id)
964 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
965 "Unique name %s has unexpected format.",
966 unique);
9c8d1e1a 967
605405c6 968 p = strjoin("run-u", id, ".", unit_type_to_string(t));
9c8d1e1a
LP		 969 if (!p)
970 return log_oom();
971
972 *ret = p;
973 return 0;
974}
975
2a453c2e
LP		 976typedef struct RunContext {
977 sd_bus *bus;
978 sd_event *event;
979 PTYForward *forward;
980 sd_bus_slot *match;
981
2b5f7089 982 /* Current state of the unit */
2a453c2e 983 char *active_state;
2b5f7089
LP		 984 bool has_job;
985
986 /* The exit data of the unit */
2a453c2e
LP		 987 uint64_t inactive_exit_usec;
988 uint64_t inactive_enter_usec;
989 char *result;
990 uint64_t cpu_usage_nsec;
655aab20
LP		 991 uint64_t ip_ingress_bytes;
992 uint64_t ip_egress_bytes;
826f7cb1
LP		 993 uint64_t io_read_bytes;
994 uint64_t io_write_bytes;
2a453c2e
LP		 995 uint32_t exit_code;
996 uint32_t exit_status;
997} RunContext;
998
999static void run_context_free(RunContext *c) {
1000 assert(c);
1001
1002 c->forward = pty_forward_free(c->forward);
1003 c->match = sd_bus_slot_unref(c->match);
1004 c->bus = sd_bus_unref(c->bus);
1005 c->event = sd_event_unref(c->event);
1006
1007 free(c->active_state);
1008 free(c->result);
1009}
1010
1011static void run_context_check_done(RunContext *c) {
95f1d6bf 1012 bool done;
2a453c2e
LP		 1013
1014 assert(c);
1015
1016 if (c->match)
2b5f7089 1017 done = STRPTR_IN_SET(c->active_state, "inactive", "failed") && !c->has_job;
95f1d6bf
LP		 1018 else
1019 done = true;
2a453c2e 1020
95f1d6bf
LP		 1021 if (c->forward && done) /* If the service is gone, it's time to drain the output */
1022 done = pty_forward_drain(c->forward);
2a453c2e
LP		 1023
1024 if (done)
1025 sd_event_exit(c->event, EXIT_SUCCESS);
1026}
1027
2b5f7089
LP		 1028static int map_job(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1029 bool *b = userdata;
1030 const char *job;
1031 uint32_t id;
1032 int r;
1033
1034 r = sd_bus_message_read(m, "(uo)", &id, &job);
1035 if (r < 0)
1036 return r;
1037
1038 *b = id != 0 || !streq(job, "/");
1039 return 0;
1040}
1041
5b1bad8d 1042static int run_context_update(RunContext *c, const char *path) {
2a453c2e
LP		 1043
1044 static const struct bus_properties_map map[] = {
2b5f7089
LP		 1045 { "ActiveState", "s", NULL, offsetof(RunContext, active_state) },
1046 { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_exit_usec) },
1047 { "InactiveEnterTimestampMonotonic", "t", NULL, offsetof(RunContext, inactive_enter_usec) },
1048 { "Result", "s", NULL, offsetof(RunContext, result) },
1049 { "ExecMainCode", "i", NULL, offsetof(RunContext, exit_code) },
1050 { "ExecMainStatus", "i", NULL, offsetof(RunContext, exit_status) },
1051 { "CPUUsageNSec", "t", NULL, offsetof(RunContext, cpu_usage_nsec) },
1052 { "IPIngressBytes", "t", NULL, offsetof(RunContext, ip_ingress_bytes) },
1053 { "IPEgressBytes", "t", NULL, offsetof(RunContext, ip_egress_bytes) },
1054 { "IOReadBytes", "t", NULL, offsetof(RunContext, io_read_bytes) },
1055 { "IOWriteBytes", "t", NULL, offsetof(RunContext, io_write_bytes) },
1056 { "Job", "(uo)", map_job, offsetof(RunContext, has_job) },
2a453c2e
LP		 1057 {}
1058 };
1059
f9e0eefc 1060 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2a453c2e
LP		 1061 int r;
1062
1063 r = bus_map_all_properties(c->bus,
1064 "org.freedesktop.systemd1",
5b1bad8d 1065 path,
2a453c2e 1066 map,
a7e4861c 1067 BUS_MAP_STRDUP,
f9e0eefc 1068 &error,
f37f8a61 1069 NULL,
2a453c2e
LP		 1070 c);
1071 if (r < 0) {
1072 sd_event_exit(c->event, EXIT_FAILURE);
f9e0eefc 1073 return log_error_errno(r, "Failed to query unit state: %s", bus_error_message(&error, r));
2a453c2e
LP		 1074 }
1075
1076 run_context_check_done(c);
1077 return 0;
1078}
1079
5b1bad8d 1080static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) {
99534007 1081 RunContext *c = ASSERT_PTR(userdata);
5b1bad8d
LP		 1082
1083 assert(m);
5b1bad8d
LP		 1084
1085 return run_context_update(c, sd_bus_message_get_path(m));
1086}
1087
2a453c2e
LP		 1088static int pty_forward_handler(PTYForward *f, int rcode, void *userdata) {
1089 RunContext *c = userdata;
1090
1091 assert(f);
1092
1093 if (rcode < 0) {
1094 sd_event_exit(c->event, EXIT_FAILURE);
1095 return log_error_errno(rcode, "Error on PTY forwarding logic: %m");
1096 }
1097
1098 run_context_check_done(c);
1099 return 0;
1100}
1101
4c213d6c
WC		 1102static int start_transient_service(
1103 sd_bus *bus,
2a453c2e 1104 int *retval) {
4c213d6c 1105
4afd3348
LP		 1106 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
1107 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3d161f99 1108 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
ee451d76 1109 _cleanup_free_ char *service = NULL, *pty_path = NULL;
5bb1d7fb 1110 _cleanup_close_ int master = -EBADF;
4c213d6c
WC		 1111 int r;
1112
1113 assert(bus);
2a453c2e 1114 assert(retval);
4c213d6c 1115
5dca7739 1116 if (arg_stdio == ARG_STDIO_PTY) {
9b15b784 1117
ee451d76 1118 if (arg_transport == BUS_TRANSPORT_LOCAL) {
669fc4e5 1119 master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
ee451d76
LP		 1120 if (master < 0)
1121 return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
1122
1123 r = ptsname_malloc(master, &pty_path);
1124 if (r < 0)
1125 return log_error_errno(r, "Failed to determine tty name: %m");
1126
395745ba
LP		 1127 if (unlockpt(master) < 0)
1128 return log_error_errno(errno, "Failed to unlock tty: %m");
1129
de33fc62 1130 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
4afd3348 1131 _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL;
20fc5811 1132 _cleanup_(sd_bus_message_unrefp) sd_bus_message *pty_reply = NULL;
ee451d76
LP		 1133 const char *s;
1134
024a8ec1 1135 r = sd_bus_default_system(&system_bus);
ee451d76 1136 if (r < 0)
024a8ec1 1137 return log_error_errno(r, "Failed to connect to system bus: %m");
ee451d76
LP		 1138
1139 r = sd_bus_call_method(system_bus,
1140 "org.freedesktop.machine1",
1141 "/org/freedesktop/machine1",
1142 "org.freedesktop.machine1.Manager",
1143 "OpenMachinePTY",
1144 &error,
20fc5811 1145 &pty_reply,
ee451d76 1146 "s", arg_host);
4ae25393 1147 if (r < 0)
2a03b9ed 1148 return log_error_errno(r, "Failed to get machine PTY: %s", bus_error_message(&error, r));
ee451d76 1149
20fc5811 1150 r = sd_bus_message_read(pty_reply, "hs", &master, &s);
ee451d76
LP		 1151 if (r < 0)
1152 return bus_log_parse_error(r);
1153
1154 master = fcntl(master, F_DUPFD_CLOEXEC, 3);
1155 if (master < 0)
1156 return log_error_errno(errno, "Failed to duplicate master fd: %m");
1157
1158 pty_path = strdup(s);
1159 if (!pty_path)
1160 return log_oom();
1161 } else
04499a70 1162 assert_not_reached();
9b15b784
LP		 1163 }
1164
a7c71d21
LP		 1165 /* Optionally, wait for the start job to complete. If we are supposed to read the service's stdin
1166 * lets skip this however, because we should start that already when the start job is running, and
1167 * there's little point in waiting for the start job to complete in that case anyway, as we'll wait
1168 * for EOF anyway, which is going to be much later. */
1169 if (!arg_no_block && arg_stdio == ARG_STDIO_NONE) {
3d161f99
LP		 1170 r = bus_wait_for_jobs_new(bus, &w);
1171 if (r < 0)
1172 return log_error_errno(r, "Could not watch jobs: %m");
1173 }
1174
4c213d6c 1175 if (arg_unit) {
df7c4eb6
ZJS		 1176 r = unit_name_mangle_with_suffix(arg_unit, "as unit",
1177 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
1178 ".service", &service);
7410616c
LP		 1179 if (r < 0)
1180 return log_error_errno(r, "Failed to mangle unit name: %m");
9c8d1e1a
LP		 1181 } else {
1182 r = make_unit_name(bus, UNIT_SERVICE, &service);
1183 if (r < 0)
1184 return r;
1185 }
4c213d6c 1186
7ad61613 1187 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit");
9f2e86af 1188 if (r < 0)
7040b626 1189 return bus_log_create_error(r);
9f2e86af 1190
8c7db2fb
EV		 1191 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1192 if (r < 0)
1193 return bus_log_create_error(r);
1194
9b15b784 1195 /* Name and mode */
4c213d6c 1196 r = sd_bus_message_append(m, "ss", service, "fail");
c2756a68 1197 if (r < 0)
7040b626 1198 return bus_log_create_error(r);
c2756a68 1199
9b15b784 1200 /* Properties */
4c213d6c 1201 r = sd_bus_message_open_container(m, 'a', "(sv)");
c2756a68 1202 if (r < 0)
7040b626 1203 return bus_log_create_error(r);
c2756a68 1204
badd28e1 1205 r = transient_service_set_properties(m, pty_path);
c2756a68 1206 if (r < 0)
f53bddf3 1207 return r;
c2756a68 1208
4c213d6c 1209 r = sd_bus_message_close_container(m);
c2756a68 1210 if (r < 0)
7040b626 1211 return bus_log_create_error(r);
c2756a68 1212
9b15b784 1213 /* Auxiliary units */
4c213d6c 1214 r = sd_bus_message_append(m, "a(sa(sv))", 0);
c2756a68 1215 if (r < 0)
7040b626 1216 return bus_log_create_error(r);
c2756a68 1217
8a4b13c5 1218 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1219
3d161f99 1220 r = sd_bus_call(bus, m, 0, &error, &reply);
024a8ec1
LP		 1221 if (r < 0)
1222 return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
c2756a68 1223
3d161f99
LP		 1224 if (w) {
1225 const char *object;
1226
1227 r = sd_bus_message_read(reply, "o", &object);
1228 if (r < 0)
1229 return bus_log_parse_error(r);
1230
466f2351 1231 r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL);
3d161f99
LP		 1232 if (r < 0)
1233 return r;
1234 }
1235
2a453c2e
LP		 1236 if (!arg_quiet)
1237 log_info("Running as unit: %s", service);
1238
5dca7739 1239 if (arg_wait || arg_stdio != ARG_STDIO_NONE) {
655aab20
LP		 1240 _cleanup_(run_context_free) RunContext c = {
1241 .cpu_usage_nsec = NSEC_INFINITY,
1242 .ip_ingress_bytes = UINT64_MAX,
1243 .ip_egress_bytes = UINT64_MAX,
826f7cb1
LP		 1244 .io_read_bytes = UINT64_MAX,
1245 .io_write_bytes = UINT64_MAX,
655aab20
LP		 1246 .inactive_exit_usec = USEC_INFINITY,
1247 .inactive_enter_usec = USEC_INFINITY,
1248 };
95f1d6bf 1249 _cleanup_free_ char *path = NULL;
4c213d6c 1250
2a453c2e
LP		 1251 c.bus = sd_bus_ref(bus);
1252
1253 r = sd_event_default(&c.event);
4c213d6c 1254 if (r < 0)
9b15b784 1255 return log_error_errno(r, "Failed to get event loop: %m");
4c213d6c 1256
2a453c2e
LP		 1257 if (master >= 0) {
1258 assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
1259 (void) sd_event_add_signal(c.event, NULL, SIGINT, NULL, NULL);
1260 (void) sd_event_add_signal(c.event, NULL, SIGTERM, NULL, NULL);
1261
1262 if (!arg_quiet)
1263 log_info("Press ^] three times within 1s to disconnect TTY.");
4c213d6c 1264
2a453c2e
LP		 1265 r = pty_forward_new(c.event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &c.forward);
1266 if (r < 0)
1267 return log_error_errno(r, "Failed to create PTY forwarder: %m");
1268
1269 pty_forward_set_handler(c.forward, pty_forward_handler, &c);
d147457c
LP		 1270
1271 /* Make sure to process any TTY events before we process bus events */
1272 (void) pty_forward_set_priority(c.forward, SD_EVENT_PRIORITY_IMPORTANT);
2a453c2e 1273 }
4c213d6c 1274
95f1d6bf
LP		 1275 path = unit_dbus_path_from_name(service);
1276 if (!path)
1277 return log_oom();
2a453c2e 1278
75152a4d
LP		 1279 r = sd_bus_match_signal_async(
1280 bus,
1281 &c.match,
1282 "org.freedesktop.systemd1",
1283 path,
1284 "org.freedesktop.DBus.Properties",
1285 "PropertiesChanged",
1286 on_properties_changed, NULL, &c);
95f1d6bf 1287 if (r < 0)
75152a4d 1288 return log_error_errno(r, "Failed to request properties changed signal match: %m");
4c213d6c 1289
d147457c 1290 r = sd_bus_attach_event(bus, c.event, SD_EVENT_PRIORITY_NORMAL);
95f1d6bf 1291 if (r < 0)
75152a4d 1292 return log_error_errno(r, "Failed to attach bus to event loop: %m");
5b1bad8d 1293
95f1d6bf
LP		 1294 r = run_context_update(&c, path);
1295 if (r < 0)
1296 return r;
2a453c2e
LP		 1297
1298 r = sd_event_loop(c.event);
4c213d6c 1299 if (r < 0)
9b15b784 1300 return log_error_errno(r, "Failed to run event loop: %m");
4c213d6c 1301
2a453c2e
LP		 1302 if (c.forward) {
1303 char last_char = 0;
4c213d6c 1304
2a453c2e
LP		 1305 r = pty_forward_get_last_char(c.forward, &last_char);
1306 if (r >= 0 && !arg_quiet && last_char != '\n')
1307 fputc('\n', stdout);
1308 }
4c213d6c 1309
95f1d6bf 1310 if (arg_wait && !arg_quiet) {
9182fb52 1311
f1d60962 1312 /* Explicitly destroy the PTY forwarder, so that the PTY device is usable again, with its
9182fb52
LP		 1313 * original settings (i.e. proper line breaks), so that we can show the summary in a pretty
1314 * way. */
1315 c.forward = pty_forward_free(c.forward);
1316
2a453c2e
LP		 1317 if (!isempty(c.result))
1318 log_info("Finished with result: %s", strna(c.result));
9f2e86af 1319
2a453c2e 1320 if (c.exit_code == CLD_EXITED)
c0f86d66 1321 log_info("Main processes terminated with: code=%s/status=%u",
f1d60962 1322 sigchld_code_to_string(c.exit_code), c.exit_status);
2a453c2e 1323 else if (c.exit_code > 0)
f1d60962
ZJS		 1324 log_info("Main processes terminated with: code=%s/status=%s",
1325 sigchld_code_to_string(c.exit_code), signal_to_string(c.exit_status));
2a453c2e 1326
1f65fd49
ZJS		 1327 if (timestamp_is_set(c.inactive_enter_usec) &&
1328 timestamp_is_set(c.inactive_exit_usec) &&
5291f26d 1329 c.inactive_enter_usec > c.inactive_exit_usec)
f1d60962 1330 log_info("Service runtime: %s",
5291f26d 1331 FORMAT_TIMESPAN(c.inactive_enter_usec - c.inactive_exit_usec, USEC_PER_MSEC));
2a453c2e 1332
5291f26d 1333 if (c.cpu_usage_nsec != NSEC_INFINITY)
f1d60962 1334 log_info("CPU time consumed: %s",
5291f26d 1335 FORMAT_TIMESPAN(DIV_ROUND_UP(c.cpu_usage_nsec, NSEC_PER_USEC), USEC_PER_MSEC));
655aab20 1336
2b59bf51
ZJS		 1337 if (c.ip_ingress_bytes != UINT64_MAX)
1338 log_info("IP traffic received: %s", FORMAT_BYTES(c.ip_ingress_bytes));
1339
1340 if (c.ip_egress_bytes != UINT64_MAX)
1341 log_info("IP traffic sent: %s", FORMAT_BYTES(c.ip_egress_bytes));
1342
1343 if (c.io_read_bytes != UINT64_MAX)
1344 log_info("IO bytes read: %s", FORMAT_BYTES(c.io_read_bytes));
1345
1346 if (c.io_write_bytes != UINT64_MAX)
1347 log_info("IO bytes written: %s", FORMAT_BYTES(c.io_write_bytes));
2a453c2e
LP		 1348 }
1349
7f3614e5
ZJS		 1350 /* Try to propagate the service's return value. But if the service defines
1351 * e.g. SuccessExitStatus, honour this, and return 0 to mean "success". */
1352 if (streq_ptr(c.result, "success"))
1353 *retval = 0;
1354 else if (streq_ptr(c.result, "exit-code") && c.exit_status > 0)
2a453c2e 1355 *retval = c.exit_status;
7f3614e5
ZJS		 1356 else if (streq_ptr(c.result, "signal"))
1357 *retval = EXIT_EXCEPTION;
2a453c2e
LP		 1358 else
1359 *retval = EXIT_FAILURE;
1360 }
7040b626
LP		 1361
1362 return 0;
6c12b52e
LP		 1363}
1364
00f8eea8
LP		 1365static int acquire_invocation_id(sd_bus *bus, sd_id128_t *ret) {
1366 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1367 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1368 const void *p;
1369 size_t l;
1370 int r;
1371
1372 assert(bus);
1373 assert(ret);
6c12b52e 1374
00f8eea8
LP		 1375 r = sd_bus_get_property(bus,
1376 "org.freedesktop.systemd1",
1377 "/org/freedesktop/systemd1/unit/self",
1378 "org.freedesktop.systemd1.Unit",
1379 "InvocationID",
1380 &error,
1381 &reply,
1382 "ay");
1383 if (r < 0)
1384 return log_error_errno(r, "Failed to request invocation ID for scope: %s", bus_error_message(&error, r));
1385
1386 r = sd_bus_message_read_array(reply, 'y', &p, &l);
1387 if (r < 0)
1388 return bus_log_parse_error(r);
1389
1390 if (l != sizeof(sd_id128_t))
1391 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid UUID size, %zu != %zu.", l, sizeof(sd_id128_t));
1392
1393 memcpy(ret, p, l);
1394 return 0;
1395}
1396
1397static int start_transient_scope(sd_bus *bus) {
4afd3348
LP		 1398 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1399 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 1400 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
9b15b784 1401 _cleanup_strv_free_ char **env = NULL, **user_env = NULL;
4c213d6c 1402 _cleanup_free_ char *scope = NULL;
de158ed2 1403 const char *object = NULL;
00f8eea8 1404 sd_id128_t invocation_id;
6c12b52e
LP		 1405 int r;
1406
8159d91a 1407 assert(bus);
badd28e1 1408 assert(!strv_isempty(arg_cmdline));
8159d91a 1409
de158ed2
LP		 1410 r = bus_wait_for_jobs_new(bus, &w);
1411 if (r < 0)
1412 return log_oom();
1413
7de80bfe 1414 if (arg_unit) {
df7c4eb6
ZJS		 1415 r = unit_name_mangle_with_suffix(arg_unit, "as unit",
1416 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
1417 ".scope", &scope);
7410616c
LP		 1418 if (r < 0)
1419 return log_error_errno(r, "Failed to mangle scope name: %m");
9c8d1e1a
LP		 1420 } else {
1421 r = make_unit_name(bus, UNIT_SCOPE, &scope);
1422 if (r < 0)
1423 return r;
1424 }
6c12b52e 1425
7ad61613 1426 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit");
c2756a68 1427 if (r < 0)
7040b626 1428 return bus_log_create_error(r);
c2756a68 1429
8c7db2fb
EV		 1430 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1431 if (r < 0)
1432 return bus_log_create_error(r);
1433
9b15b784 1434 /* Name and Mode */
4c213d6c
WC		 1435 r = sd_bus_message_append(m, "ss", scope, "fail");
1436 if (r < 0)
1437 return bus_log_create_error(r);
1438
9b15b784 1439 /* Properties */
4c213d6c
WC		 1440 r = sd_bus_message_open_container(m, 'a', "(sv)");
1441 if (r < 0)
1442 return bus_log_create_error(r);
1443
1444 r = transient_scope_set_properties(m);
1445 if (r < 0)
f53bddf3 1446 return r;
4c213d6c
WC		 1447
1448 r = sd_bus_message_close_container(m);
1449 if (r < 0)
1450 return bus_log_create_error(r);
1451
ee451d76 1452 /* Auxiliary units */
4c213d6c 1453 r = sd_bus_message_append(m, "a(sa(sv))", 0);
6c12b52e 1454 if (r < 0)
7040b626 1455 return bus_log_create_error(r);
6c12b52e 1456
8a4b13c5 1457 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1458
de158ed2 1459 r = sd_bus_call(bus, m, 0, &error, &reply);
4ae25393 1460 if (r < 0)
2a03b9ed 1461 return log_error_errno(r, "Failed to start transient scope unit: %s", bus_error_message(&error, r));
c2756a68 1462
00f8eea8
LP		 1463 r = sd_bus_message_read(reply, "o", &object);
1464 if (r < 0)
1465 return bus_log_parse_error(r);
1466
466f2351 1467 r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL);
00f8eea8
LP		 1468 if (r < 0)
1469 return r;
1470
1471 r = acquire_invocation_id(bus, &invocation_id);
1472 if (r < 0)
1473 return r;
1474
1475 r = strv_extendf(&user_env, "INVOCATION_ID=" SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(invocation_id));
1476 if (r < 0)
1477 return log_oom();
1478
4de33e7f 1479 if (arg_nice_set) {
4a62c710
MS		 1480 if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0)
1481 return log_error_errno(errno, "Failed to set nice level: %m");
4de33e7f
LP		 1482 }
1483
1484 if (arg_exec_group) {
1485 gid_t gid;
1486
fafff8f1 1487 r = get_group_creds(&arg_exec_group, &gid, 0);
f647962d
MS		 1488 if (r < 0)
1489 return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group);
4de33e7f 1490
4a62c710
MS		 1491 if (setresgid(gid, gid, gid) < 0)
1492 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 1493 }
1494
1495 if (arg_exec_user) {
1496 const char *home, *shell;
1497 uid_t uid;
1498 gid_t gid;
1499
43ad3ad7 1500 r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell, USER_CREDS_CLEAN|USER_CREDS_PREFER_NSS);
f647962d
MS		 1501 if (r < 0)
1502 return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user);
4de33e7f 1503
be39ccf3
LP		 1504 if (home) {
1505 r = strv_extendf(&user_env, "HOME=%s", home);
1506 if (r < 0)
1507 return log_oom();
1508 }
4de33e7f 1509
be39ccf3
LP		 1510 if (shell) {
1511 r = strv_extendf(&user_env, "SHELL=%s", shell);
1512 if (r < 0)
1513 return log_oom();
1514 }
4de33e7f
LP		 1515
1516 r = strv_extendf(&user_env, "USER=%s", arg_exec_user);
1517 if (r < 0)
1518 return log_oom();
1519
1520 r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user);
1521 if (r < 0)
1522 return log_oom();
1523
1524 if (!arg_exec_group) {
4a62c710
MS		 1525 if (setresgid(gid, gid, gid) < 0)
1526 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 1527 }
1528
4a62c710
MS		 1529 if (setresuid(uid, uid, uid) < 0)
1530 return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid);
4de33e7f
LP		 1531 }
1532
fecc4477
LP		 1533 if (arg_working_directory && chdir(arg_working_directory) < 0)
1534 return log_error_errno(errno, "Failed to change directory to '%s': %m", arg_working_directory);
1535
4ab3d29f 1536 env = strv_env_merge(environ, user_env, arg_environment);
4de33e7f
LP		 1537 if (!env)
1538 return log_oom();
1539
095dc596 1540 if (!arg_quiet)
f3ea87af 1541 log_info("Running scope as unit: %s", scope);
7040b626 1542
badd28e1 1543 execvpe(arg_cmdline[0], arg_cmdline, env);
9b15b784
LP		 1544
1545 return log_error_errno(errno, "Failed to execute: %m");
1546}
1547
d59ef3e2 1548static int start_transient_trigger(
9b15b784 1549 sd_bus *bus,
d59ef3e2 1550 const char *suffix) {
9b15b784 1551
4afd3348
LP		 1552 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1553 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 1554 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
d59ef3e2 1555 _cleanup_free_ char *trigger = NULL, *service = NULL;
de158ed2 1556 const char *object = NULL;
9b15b784
LP		 1557 int r;
1558
1559 assert(bus);
9b15b784 1560
de158ed2
LP		 1561 r = bus_wait_for_jobs_new(bus, &w);
1562 if (r < 0)
1563 return log_oom();
1564
9b15b784 1565 if (arg_unit) {
7410616c 1566 switch (unit_name_to_type(arg_unit)) {
9b15b784
LP		 1567
1568 case UNIT_SERVICE:
1569 service = strdup(arg_unit);
1570 if (!service)
1571 return log_oom();
1572
d59ef3e2 1573 r = unit_name_change_suffix(service, suffix, &trigger);
7410616c
LP		 1574 if (r < 0)
1575 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1576 break;
1577
1578 case UNIT_TIMER:
d59ef3e2
YW		 1579 trigger = strdup(arg_unit);
1580 if (!trigger)
9b15b784
LP		 1581 return log_oom();
1582
d59ef3e2 1583 r = unit_name_change_suffix(trigger, ".service", &service);
7410616c
LP		 1584 if (r < 0)
1585 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1586 break;
1587
1588 default:
df7c4eb6
ZJS		 1589 r = unit_name_mangle_with_suffix(arg_unit, "as unit",
1590 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
1591 ".service", &service);
7410616c
LP		 1592 if (r < 0)
1593 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784 1594
df7c4eb6
ZJS		 1595 r = unit_name_mangle_with_suffix(arg_unit, "as trigger",
1596 arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN,
1597 suffix, &trigger);
7410616c
LP		 1598 if (r < 0)
1599 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784
LP		 1600
1601 break;
1602 }
9c8d1e1a
LP		 1603 } else {
1604 r = make_unit_name(bus, UNIT_SERVICE, &service);
1605 if (r < 0)
1606 return r;
1607
d59ef3e2 1608 r = unit_name_change_suffix(service, suffix, &trigger);
9c8d1e1a
LP		 1609 if (r < 0)
1610 return log_error_errno(r, "Failed to change unit suffix: %m");
1611 }
9b15b784 1612
7ad61613 1613 r = bus_message_new_method_call(bus, &m, bus_systemd_mgr, "StartTransientUnit");
9b15b784
LP		 1614 if (r < 0)
1615 return bus_log_create_error(r);
1616
8c7db2fb
EV		 1617 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1618 if (r < 0)
1619 return bus_log_create_error(r);
1620
9b15b784 1621 /* Name and Mode */
d59ef3e2 1622 r = sd_bus_message_append(m, "ss", trigger, "fail");
9b15b784
LP		 1623 if (r < 0)
1624 return bus_log_create_error(r);
1625
1626 /* Properties */
1627 r = sd_bus_message_open_container(m, 'a', "(sv)");
1628 if (r < 0)
1629 return bus_log_create_error(r);
1630
d59ef3e2
YW		 1631 if (streq(suffix, ".path"))
1632 r = transient_unit_set_properties(m, UNIT_PATH, arg_path_property);
1633 else if (streq(suffix, ".socket"))
1634 r = transient_unit_set_properties(m, UNIT_SOCKET, arg_socket_property);
1635 else if (streq(suffix, ".timer"))
1636 r = transient_timer_set_properties(m);
1637 else
04499a70 1638 assert_not_reached();
9b15b784 1639 if (r < 0)
f53bddf3 1640 return r;
9b15b784
LP		 1641
1642 r = sd_bus_message_close_container(m);
1643 if (r < 0)
1644 return bus_log_create_error(r);
1645
1646 r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
1647 if (r < 0)
1648 return bus_log_create_error(r);
1649
badd28e1 1650 if (!strv_isempty(arg_cmdline)) {
9b15b784
LP		 1651 r = sd_bus_message_open_container(m, 'r', "sa(sv)");
1652 if (r < 0)
1653 return bus_log_create_error(r);
1654
1655 r = sd_bus_message_append(m, "s", service);
1656 if (r < 0)
1657 return bus_log_create_error(r);
1658
1659 r = sd_bus_message_open_container(m, 'a', "(sv)");
1660 if (r < 0)
1661 return bus_log_create_error(r);
1662
badd28e1 1663 r = transient_service_set_properties(m, NULL);
9b15b784 1664 if (r < 0)
f53bddf3 1665 return r;
9b15b784
LP		 1666
1667 r = sd_bus_message_close_container(m);
1668 if (r < 0)
1669 return bus_log_create_error(r);
1670
1671 r = sd_bus_message_close_container(m);
1672 if (r < 0)
1673 return bus_log_create_error(r);
1674 }
1675
1676 r = sd_bus_message_close_container(m);
1677 if (r < 0)
1678 return bus_log_create_error(r);
1679
8a4b13c5 1680 polkit_agent_open_if_enabled(arg_transport, arg_ask_password);
8c7db2fb 1681
de158ed2 1682 r = sd_bus_call(bus, m, 0, &error, &reply);
4ae25393 1683 if (r < 0)
2a03b9ed 1684 return log_error_errno(r, "Failed to start transient %s unit: %s", suffix + 1, bus_error_message(&error, r));
9b15b784 1685
de158ed2
LP		 1686 r = sd_bus_message_read(reply, "o", &object);
1687 if (r < 0)
1688 return bus_log_parse_error(r);
1689
466f2351 1690 r = bus_wait_for_jobs_one(w, object, arg_quiet, arg_user ? STRV_MAKE_CONST("--user") : NULL);
de158ed2
LP		 1691 if (r < 0)
1692 return r;
1693
3dea75de 1694 if (!arg_quiet) {
d59ef3e2 1695 log_info("Running %s as unit: %s", suffix + 1, trigger);
badd28e1 1696 if (!strv_isempty(arg_cmdline))
3dea75de
NO		 1697 log_info("Will run service as unit: %s", service);
1698 }
9b15b784
LP		 1699
1700 return 0;
c2756a68
LP		 1701}
1702
69e08309 1703static bool shall_make_executable_absolute(void) {
69e08309
LB		 1704 if (strv_isempty(arg_cmdline))
1705 return false;
1706 if (arg_transport != BUS_TRANSPORT_LOCAL)
1707 return false;
1708
1709 FOREACH_STRING(f, "RootDirectory=", "RootImage=", "ExecSearchPath=", "MountImages=", "ExtensionImages=")
1710 if (strv_find_startswith(arg_property, f))
1711 return false;
1712
1713 return true;
1714}
1715
ef08ad7a 1716static int run(int argc, char* argv[]) {
4afd3348 1717 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
badd28e1 1718 _cleanup_free_ char *description = NULL;
2a453c2e 1719 int r, retval = EXIT_SUCCESS;
c2756a68 1720
1a043959 1721 log_show_color(true);
c2756a68
LP		 1722 log_parse_environment();
1723 log_open();
1724
6c12b52e
LP		 1725 r = parse_argv(argc, argv);
1726 if (r <= 0)
0565120f 1727 return r;
c2756a68 1728
69e08309 1729 if (shall_make_executable_absolute()) {
8038b99d
ZJS		 1730 /* Patch in an absolute path to fail early for user convenience, but only when we can do it
1731 * (i.e. we will be running from the same file system). This also uses the user's $PATH,
1732 * while we use a fixed search path in the manager. */
85eca92e 1733
8038b99d 1734 _cleanup_free_ char *command = NULL;
f7bc0c32 1735 r = find_executable(arg_cmdline[0], &command);
0565120f
LP		 1736 if (r < 0)
1737 return log_error_errno(r, "Failed to find executable %s: %m", arg_cmdline[0]);
85eca92e 1738
badd28e1 1739 free_and_replace(arg_cmdline[0], command);
c9d954b2 1740 }
c9d954b2 1741
9f2e86af 1742 if (!arg_description) {
badd28e1 1743 description = strv_join(arg_cmdline, " ");
0565120f
LP		 1744 if (!description)
1745 return log_oom();
9f2e86af 1746
4c213d6c 1747 if (arg_unit && isempty(description)) {
2fc09a9c
DM		 1748 r = free_and_strdup(&description, arg_unit);
1749 if (r < 0)
0565120f 1750 return log_oom();
4c213d6c
WC		 1751 }
1752
9f2e86af
LP		 1753 arg_description = description;
1754 }
1755
2a453c2e
LP		 1756 /* If --wait is used connect via the bus, unconditionally, as ref/unref is not supported via the limited direct
1757 * connection */
cbdc2949 1758 if (arg_wait || arg_stdio != ARG_STDIO_NONE || (arg_user && arg_transport != BUS_TRANSPORT_LOCAL))
2a453c2e
LP		 1759 r = bus_connect_transport(arg_transport, arg_host, arg_user, &bus);
1760 else
1761 r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
0565120f 1762 if (r < 0)
10a7340a 1763 return bus_log_connect_error(r, arg_transport);
c2756a68 1764
6c12b52e 1765 if (arg_scope)
badd28e1 1766 r = start_transient_scope(bus);
d59ef3e2 1767 else if (arg_path_property)
badd28e1 1768 r = start_transient_trigger(bus, ".path");
d59ef3e2 1769 else if (arg_socket_property)
badd28e1 1770 r = start_transient_trigger(bus, ".socket");
787be190 1771 else if (arg_with_timer)
badd28e1 1772 r = start_transient_trigger(bus, ".timer");
6c12b52e 1773 else
badd28e1 1774 r = start_transient_service(bus, &retval);
0565120f
LP		 1775 if (r < 0)
1776 return r;
c2756a68 1777
0565120f 1778 return retval;
c2756a68 1779}
ef08ad7a
LP		 1780
1781DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
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