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[thirdparty/systemd.git] / src / run / run.c
CommitLineData
c2756a68
LP		 1/***
2 This file is part of systemd.
3
4 Copyright 2013 Lennart Poettering
5
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
10
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
18***/
19
6c12b52e 20#include <getopt.h>
3f6fd1ba 21#include <stdio.h>
c2756a68
LP		 22
23#include "sd-bus.h"
9b15b784 24#include "sd-event.h"
3f6fd1ba 25
b5efdb8a 26#include "alloc-util.h"
3f6fd1ba 27#include "bus-error.h"
40ca29a1 28#include "bus-util.h"
3f6fd1ba 29#include "calendarspec.h"
4de33e7f 30#include "env-util.h"
3ffd4af2 31#include "fd-util.h"
3f6fd1ba 32#include "formats-util.h"
cf0fbc49 33#include "parse-util.h"
4bcc8c3c 34#include "path-util.h"
9b15b784 35#include "ptyfwd.h"
24882e06 36#include "signal-util.h"
8c7db2fb 37#include "spawn-polkit-agent.h"
3f6fd1ba 38#include "strv.h"
66cb2fde 39#include "terminal-util.h"
3f6fd1ba 40#include "unit-name.h"
b1d4f8e1 41#include "user-util.h"
c2756a68 42
8c7db2fb 43static bool arg_ask_password = true;
6c12b52e 44static bool arg_scope = false;
6577c7ce 45static bool arg_remain_after_exit = false;
3d161f99 46static bool arg_no_block = false;
6c12b52e 47static const char *arg_unit = NULL;
9f2e86af 48static const char *arg_description = NULL;
c221420b 49static const char *arg_slice = NULL;
a6c0353b 50static bool arg_send_sighup = false;
d21ed1ea 51static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
1ac67edb 52static const char *arg_host = NULL;
d21ed1ea 53static bool arg_user = false;
c7040b5d
LP		 54static const char *arg_service_type = NULL;
55static const char *arg_exec_user = NULL;
56static const char *arg_exec_group = NULL;
57static int arg_nice = 0;
58static bool arg_nice_set = false;
59static char **arg_environment = NULL;
df31a6c0 60static char **arg_property = NULL;
9b15b784 61static bool arg_pty = false;
4c213d6c
WC		 62static usec_t arg_on_active = 0;
63static usec_t arg_on_boot = 0;
64static usec_t arg_on_startup = 0;
65static usec_t arg_on_unit_active = 0;
66static usec_t arg_on_unit_inactive = 0;
024a8ec1 67static const char *arg_on_calendar = NULL;
4c213d6c 68static char **arg_timer_property = NULL;
095dc596 69static bool arg_quiet = false;
c2756a68 70
8c7db2fb
EV		 71static void polkit_agent_open_if_enabled(void) {
72
73 /* Open the polkit agent as a child process if necessary */
74 if (!arg_ask_password)
75 return;
76
77 if (arg_transport != BUS_TRANSPORT_LOCAL)
78 return;
79
80 polkit_agent_open();
81}
82
601185b4 83static void help(void) {
4c213d6c
WC		 84 printf("%s [OPTIONS...] {COMMAND} [ARGS...]\n\n"
85 "Run the specified command in a transient scope or service or timer\n"
b61a09a5
WH		 86 "unit. If a timer option is specified and the unit specified with\n"
87 "the --unit option exists, the command can be omitted.\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"
96 " -p --property=NAME=VALUE Set unit property\n"
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
WC		 100 " -r --remain-after-exit Leave service around until explicitly stopped\n"
101 " --send-sighup Send SIGHUP when terminating\n"
102 " --service-type=TYPE Service type\n"
103 " --uid=USER Run as system user\n"
104 " --gid=GROUP Run as system group\n"
105 " --nice=NICE Nice level\n"
b5911366 106 " -E --setenv=NAME=VALUE Set environment\n"
095dc596
LP		 107 " -t --pty Run service on pseudo tty\n"
108 " -q --quiet Suppress information messages during runtime\n\n"
4c213d6c 109 "Timer options:\n\n"
b57b0625
ZJS		 110 " --on-active=SECONDS Run after SECONDS delay\n"
111 " --on-boot=SECONDS Run SECONDS after machine was booted up\n"
112 " --on-startup=SECONDS Run SECONDS after systemd activation\n"
113 " --on-unit-active=SECONDS Run SECONDS after the last activation\n"
114 " --on-unit-inactive=SECONDS Run SECONDS after the last deactivation\n"
4c213d6c
WC		 115 " --on-calendar=SPEC Realtime timer\n"
116 " --timer-property=NAME=VALUE Set timer unit property\n",
6c12b52e 117 program_invocation_short_name);
6c12b52e
LP		 118}
119
4c213d6c
WC		 120static bool with_timer(void) {
121 return arg_on_active || arg_on_boot || arg_on_startup || arg_on_unit_active || arg_on_unit_inactive || arg_on_calendar;
122}
123
6c12b52e
LP		 124static int parse_argv(int argc, char *argv[]) {
125
126 enum {
127 ARG_VERSION = 0x100,
128 ARG_USER,
66b1e746 129 ARG_SYSTEM,
6c12b52e 130 ARG_SCOPE,
9f2e86af 131 ARG_UNIT,
c221420b 132 ARG_DESCRIPTION,
a6c0353b
LP		 133 ARG_SLICE,
134 ARG_SEND_SIGHUP,
5cfde70c 135 ARG_SERVICE_TYPE,
c7040b5d
LP		 136 ARG_EXEC_USER,
137 ARG_EXEC_GROUP,
c7040b5d 138 ARG_NICE,
4c213d6c
WC		 139 ARG_ON_ACTIVE,
140 ARG_ON_BOOT,
141 ARG_ON_STARTUP,
142 ARG_ON_UNIT_ACTIVE,
143 ARG_ON_UNIT_INACTIVE,
144 ARG_ON_CALENDAR,
3d161f99
LP		 145 ARG_TIMER_PROPERTY,
146 ARG_NO_BLOCK,
5cfde70c 147 ARG_NO_ASK_PASSWORD,
6c12b52e
LP		 148 };
149
150 static const struct option options[] = {
4c213d6c
WC		 151 { "help", no_argument, NULL, 'h' },
152 { "version", no_argument, NULL, ARG_VERSION },
153 { "user", no_argument, NULL, ARG_USER },
154 { "system", no_argument, NULL, ARG_SYSTEM },
155 { "scope", no_argument, NULL, ARG_SCOPE },
156 { "unit", required_argument, NULL, ARG_UNIT },
157 { "description", required_argument, NULL, ARG_DESCRIPTION },
158 { "slice", required_argument, NULL, ARG_SLICE },
159 { "remain-after-exit", no_argument, NULL, 'r' },
160 { "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
161 { "host", required_argument, NULL, 'H' },
162 { "machine", required_argument, NULL, 'M' },
163 { "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
164 { "uid", required_argument, NULL, ARG_EXEC_USER },
165 { "gid", required_argument, NULL, ARG_EXEC_GROUP },
166 { "nice", required_argument, NULL, ARG_NICE },
b5911366 167 { "setenv", required_argument, NULL, 'E' },
4c213d6c 168 { "property", required_argument, NULL, 'p' },
5cfde70c
ZJS		 169 { "tty", no_argument, NULL, 't' }, /* deprecated */
170 { "pty", no_argument, NULL, 't' },
095dc596 171 { "quiet", no_argument, NULL, 'q' },
4c213d6c
WC		 172 { "on-active", required_argument, NULL, ARG_ON_ACTIVE },
173 { "on-boot", required_argument, NULL, ARG_ON_BOOT },
174 { "on-startup", required_argument, NULL, ARG_ON_STARTUP },
175 { "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
176 { "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
177 { "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
178 { "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
3d161f99 179 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
8c7db2fb 180 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
eb9da376 181 {},
6c12b52e
LP		 182 };
183
c7040b5d 184 int r, c;
6c12b52e
LP		 185
186 assert(argc >= 0);
187 assert(argv);
188
095dc596 189 while ((c = getopt_long(argc, argv, "+hrH:M:p:tq", options, NULL)) >= 0)
6c12b52e
LP		 190
191 switch (c) {
192
193 case 'h':
601185b4
ZJS		 194 help();
195 return 0;
6c12b52e 196
8c7db2fb
EV		 197 case ARG_NO_ASK_PASSWORD:
198 arg_ask_password = false;
199 break;
200
6c12b52e 201 case ARG_VERSION:
3f6fd1ba 202 return version();
6c12b52e
LP		 203
204 case ARG_USER:
205 arg_user = true;
206 break;
207
66b1e746
LP		 208 case ARG_SYSTEM:
209 arg_user = false;
210 break;
211
6c12b52e
LP		 212 case ARG_SCOPE:
213 arg_scope = true;
214 break;
215
216 case ARG_UNIT:
217 arg_unit = optarg;
218 break;
219
9f2e86af
LP		 220 case ARG_DESCRIPTION:
221 arg_description = optarg;
222 break;
223
c221420b
LP		 224 case ARG_SLICE:
225 arg_slice = optarg;
226 break;
227
a6c0353b
LP		 228 case ARG_SEND_SIGHUP:
229 arg_send_sighup = true;
230 break;
231
6577c7ce
LP		 232 case 'r':
233 arg_remain_after_exit = true;
234 break;
235
d21ed1ea
LP		 236 case 'H':
237 arg_transport = BUS_TRANSPORT_REMOTE;
238 arg_host = optarg;
239 break;
240
241 case 'M':
de33fc62 242 arg_transport = BUS_TRANSPORT_MACHINE;
d21ed1ea
LP		 243 arg_host = optarg;
244 break;
245
c7040b5d
LP		 246 case ARG_SERVICE_TYPE:
247 arg_service_type = optarg;
248 break;
249
250 case ARG_EXEC_USER:
251 arg_exec_user = optarg;
252 break;
253
254 case ARG_EXEC_GROUP:
255 arg_exec_group = optarg;
256 break;
257
258 case ARG_NICE:
259 r = safe_atoi(optarg, &arg_nice);
1ac67edb 260 if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
c7040b5d
LP		 261 log_error("Failed to parse nice value");
262 return -EINVAL;
263 }
264
265 arg_nice_set = true;
266 break;
267
b5911366 268 case 'E':
c7040b5d
LP		 269 if (strv_extend(&arg_environment, optarg) < 0)
270 return log_oom();
271
272 break;
273
df31a6c0 274 case 'p':
df31a6c0
LP		 275 if (strv_extend(&arg_property, optarg) < 0)
276 return log_oom();
277
278 break;
279
9b15b784
LP		 280 case 't':
281 arg_pty = true;
282 break;
283
095dc596
LP		 284 case 'q':
285 arg_quiet = true;
286 break;
287
4c213d6c
WC		 288 case ARG_ON_ACTIVE:
289
290 r = parse_sec(optarg, &arg_on_active);
291 if (r < 0) {
292 log_error("Failed to parse timer value: %s", optarg);
293 return r;
294 }
295
296 break;
297
298 case ARG_ON_BOOT:
299
300 r = parse_sec(optarg, &arg_on_boot);
301 if (r < 0) {
302 log_error("Failed to parse timer value: %s", optarg);
303 return r;
304 }
305
306 break;
307
308 case ARG_ON_STARTUP:
309
310 r = parse_sec(optarg, &arg_on_startup);
311 if (r < 0) {
312 log_error("Failed to parse timer value: %s", optarg);
313 return r;
314 }
315
316 break;
317
318 case ARG_ON_UNIT_ACTIVE:
319
320 r = parse_sec(optarg, &arg_on_unit_active);
321 if (r < 0) {
322 log_error("Failed to parse timer value: %s", optarg);
323 return r;
324 }
325
326 break;
327
328 case ARG_ON_UNIT_INACTIVE:
329
330 r = parse_sec(optarg, &arg_on_unit_inactive);
331 if (r < 0) {
332 log_error("Failed to parse timer value: %s", optarg);
333 return r;
334 }
335
336 break;
337
024a8ec1
LP		 338 case ARG_ON_CALENDAR: {
339 CalendarSpec *spec = NULL;
4c213d6c
WC		 340
341 r = calendar_spec_from_string(optarg, &spec);
342 if (r < 0) {
343 log_error("Invalid calendar spec: %s", optarg);
344 return r;
345 }
024a8ec1
LP		 346
347 calendar_spec_free(spec);
4c213d6c
WC		 348 arg_on_calendar = optarg;
349 break;
024a8ec1 350 }
4c213d6c
WC		 351
352 case ARG_TIMER_PROPERTY:
353
354 if (strv_extend(&arg_timer_property, optarg) < 0)
355 return log_oom();
356
357 break;
358
3d161f99
LP		 359 case ARG_NO_BLOCK:
360 arg_no_block = true;
361 break;
362
6c12b52e
LP		 363 case '?':
364 return -EINVAL;
365
366 default:
eb9da376 367 assert_not_reached("Unhandled option");
6c12b52e 368 }
6c12b52e 369
4c213d6c 370 if ((optind >= argc) && (!arg_unit || !with_timer())) {
6c12b52e
LP		 371 log_error("Command line to execute required.");
372 return -EINVAL;
373 }
374
d21ed1ea
LP		 375 if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) {
376 log_error("Execution in user context is not supported on non-local systems.");
377 return -EINVAL;
378 }
379
380 if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL) {
381 log_error("Scope execution is not supported on non-local systems.");
382 return -EINVAL;
383 }
384
4de33e7f
LP		 385 if (arg_scope && (arg_remain_after_exit || arg_service_type)) {
386 log_error("--remain-after-exit and --service-type= are not supported in --scope mode.");
c7040b5d
LP		 387 return -EINVAL;
388 }
389
9b15b784
LP		 390 if (arg_pty && (with_timer() || arg_scope)) {
391 log_error("--pty is not compatible in timer or --scope mode.");
392 return -EINVAL;
393 }
394
024a8ec1
LP		 395 if (arg_pty && arg_transport == BUS_TRANSPORT_REMOTE) {
396 log_error("--pty is only supported when connecting to the local system or containers.");
397 return -EINVAL;
398 }
399
4c213d6c
WC		 400 if (arg_scope && with_timer()) {
401 log_error("Timer options are not supported in --scope mode.");
402 return -EINVAL;
403 }
404
405 if (arg_timer_property && !with_timer()) {
406 log_error("--timer-property= has no effect without any other timer options.");
407 return -EINVAL;
408 }
409
6c12b52e
LP		 410 return 1;
411}
412
9b15b784 413static int transient_unit_set_properties(sd_bus_message *m, char **properties) {
df31a6c0 414 char **i;
c2756a68
LP		 415 int r;
416
9b15b784
LP		 417 r = sd_bus_message_append(m, "(sv)", "Description", "s", arg_description);
418 if (r < 0)
419 return r;
420
421 STRV_FOREACH(i, properties) {
df31a6c0 422 r = bus_append_unit_property_assignment(m, *i);
8962620e
LP		 423 if (r < 0)
424 return r;
df31a6c0
LP		 425 }
426
9b15b784
LP		 427 return 0;
428}
429
430static int transient_cgroup_set_properties(sd_bus_message *m) {
431 int r;
432 assert(m);
c2756a68 433
c221420b
LP		 434 if (!isempty(arg_slice)) {
435 _cleanup_free_ char *slice;
436
7410616c
LP		 437 r = unit_name_mangle_with_suffix(arg_slice, UNIT_NAME_NOGLOB, ".slice", &slice);
438 if (r < 0)
439 return r;
c221420b
LP		 440
441 r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice);
442 if (r < 0)
443 return r;
444 }
445
9b15b784
LP		 446 return 0;
447}
448
449static int transient_kill_set_properties(sd_bus_message *m) {
9b15b784
LP		 450 assert(m);
451
aa1aad74
ZJS		 452 if (arg_send_sighup)
453 return sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", arg_send_sighup);
454 else
455 return 0;
6c12b52e
LP		 456}
457
9b15b784 458static int transient_service_set_properties(sd_bus_message *m, char **argv, const char *pty_path) {
6c12b52e
LP		 459 int r;
460
8159d91a
LP		 461 assert(m);
462
9b15b784
LP		 463 r = transient_unit_set_properties(m, arg_property);
464 if (r < 0)
465 return r;
466
467 r = transient_kill_set_properties(m);
468 if (r < 0)
469 return r;
470
471 r = transient_cgroup_set_properties(m);
86b8d289
LP		 472 if (r < 0)
473 return r;
474
df31a6c0
LP		 475 if (arg_remain_after_exit) {
476 r = sd_bus_message_append(m, "(sv)", "RemainAfterExit", "b", arg_remain_after_exit);
477 if (r < 0)
4c213d6c 478 return r;
df31a6c0 479 }
6577c7ce 480
c7040b5d
LP		 481 if (arg_service_type) {
482 r = sd_bus_message_append(m, "(sv)", "Type", "s", arg_service_type);
483 if (r < 0)
4c213d6c 484 return r;
c7040b5d
LP		 485 }
486
487 if (arg_exec_user) {
488 r = sd_bus_message_append(m, "(sv)", "User", "s", arg_exec_user);
489 if (r < 0)
4c213d6c 490 return r;
c7040b5d
LP		 491 }
492
493 if (arg_exec_group) {
494 r = sd_bus_message_append(m, "(sv)", "Group", "s", arg_exec_group);
495 if (r < 0)
4c213d6c 496 return r;
c7040b5d
LP		 497 }
498
499 if (arg_nice_set) {
500 r = sd_bus_message_append(m, "(sv)", "Nice", "i", arg_nice);
501 if (r < 0)
4c213d6c 502 return r;
c7040b5d
LP		 503 }
504
9b15b784
LP		 505 if (pty_path) {
506 const char *e;
507
508 r = sd_bus_message_append(m,
509 "(sv)(sv)(sv)(sv)",
510 "StandardInput", "s", "tty",
511 "StandardOutput", "s", "tty",
512 "StandardError", "s", "tty",
513 "TTYPath", "s", pty_path);
514 if (r < 0)
515 return r;
516
517 e = getenv("TERM");
518 if (e) {
519 char *n;
520
63c372cb 521 n = strjoina("TERM=", e);
9b15b784
LP		 522 r = sd_bus_message_append(m,
523 "(sv)",
524 "Environment", "as", 1, n);
525 if (r < 0)
526 return r;
527 }
528 }
529
c7040b5d
LP		 530 if (!strv_isempty(arg_environment)) {
531 r = sd_bus_message_open_container(m, 'r', "sv");
532 if (r < 0)
4c213d6c 533 return r;
c7040b5d
LP		 534
535 r = sd_bus_message_append(m, "s", "Environment");
536 if (r < 0)
4c213d6c 537 return r;
c7040b5d
LP		 538
539 r = sd_bus_message_open_container(m, 'v', "as");
540 if (r < 0)
4c213d6c 541 return r;
c7040b5d
LP		 542
543 r = sd_bus_message_append_strv(m, arg_environment);
544 if (r < 0)
4c213d6c 545 return r;
c7040b5d
LP		 546
547 r = sd_bus_message_close_container(m);
548 if (r < 0)
4c213d6c 549 return r;
c7040b5d
LP		 550
551 r = sd_bus_message_close_container(m);
552 if (r < 0)
4c213d6c
WC		 553 return r;
554 }
555
556 /* Exec container */
557 {
558 r = sd_bus_message_open_container(m, 'r', "sv");
559 if (r < 0)
560 return r;
561
562 r = sd_bus_message_append(m, "s", "ExecStart");
563 if (r < 0)
564 return r;
565
566 r = sd_bus_message_open_container(m, 'v', "a(sasb)");
567 if (r < 0)
568 return r;
569
570 r = sd_bus_message_open_container(m, 'a', "(sasb)");
571 if (r < 0)
572 return r;
573
574 r = sd_bus_message_open_container(m, 'r', "sasb");
575 if (r < 0)
576 return r;
577
578 r = sd_bus_message_append(m, "s", argv[0]);
579 if (r < 0)
580 return r;
581
582 r = sd_bus_message_append_strv(m, argv);
583 if (r < 0)
584 return r;
585
586 r = sd_bus_message_append(m, "b", false);
587 if (r < 0)
588 return r;
589
590 r = sd_bus_message_close_container(m);
591 if (r < 0)
592 return r;
593
594 r = sd_bus_message_close_container(m);
595 if (r < 0)
596 return r;
597
598 r = sd_bus_message_close_container(m);
599 if (r < 0)
600 return r;
601
602 r = sd_bus_message_close_container(m);
603 if (r < 0)
604 return r;
605 }
606
607 return 0;
608}
609
9b15b784
LP		 610static int transient_scope_set_properties(sd_bus_message *m) {
611 int r;
612
613 assert(m);
614
615 r = transient_unit_set_properties(m, arg_property);
616 if (r < 0)
617 return r;
618
619 r = transient_kill_set_properties(m);
620 if (r < 0)
621 return r;
622
623 r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, (uint32_t) getpid());
624 if (r < 0)
625 return r;
626
627 return 0;
628}
629
4c213d6c
WC		 630static int transient_timer_set_properties(sd_bus_message *m) {
631 int r;
632
633 assert(m);
634
9b15b784 635 r = transient_unit_set_properties(m, arg_timer_property);
4c213d6c
WC		 636 if (r < 0)
637 return r;
638
6348d701
LP		 639 /* Automatically clean up our transient timers */
640 r = sd_bus_message_append(m, "(sv)", "RemainAfterElapse", "b", false);
641 if (r < 0)
642 return r;
643
4c213d6c
WC		 644 if (arg_on_active) {
645 r = sd_bus_message_append(m, "(sv)", "OnActiveSec", "t", arg_on_active);
646 if (r < 0)
647 return r;
c7040b5d
LP		 648 }
649
4c213d6c
WC		 650 if (arg_on_boot) {
651 r = sd_bus_message_append(m, "(sv)", "OnBootSec", "t", arg_on_boot);
652 if (r < 0)
653 return r;
654 }
655
656 if (arg_on_startup) {
657 r = sd_bus_message_append(m, "(sv)", "OnStartupSec", "t", arg_on_startup);
658 if (r < 0)
659 return r;
660 }
661
662 if (arg_on_unit_active) {
663 r = sd_bus_message_append(m, "(sv)", "OnUnitActiveSec", "t", arg_on_unit_active);
664 if (r < 0)
665 return r;
666 }
667
668 if (arg_on_unit_inactive) {
669 r = sd_bus_message_append(m, "(sv)", "OnUnitInactiveSec", "t", arg_on_unit_inactive);
670 if (r < 0)
671 return r;
672 }
673
674 if (arg_on_calendar) {
675 r = sd_bus_message_append(m, "(sv)", "OnCalendar", "s", arg_on_calendar);
676 if (r < 0)
677 return r;
678 }
679
680 return 0;
681}
682
9c8d1e1a
LP		 683static int make_unit_name(sd_bus *bus, UnitType t, char **ret) {
684 const char *unique, *id;
685 char *p;
686 int r;
687
688 assert(bus);
689 assert(t >= 0);
690 assert(t < _UNIT_TYPE_MAX);
691
692 r = sd_bus_get_unique_name(bus, &unique);
693 if (r < 0) {
694 sd_id128_t rnd;
695
696 /* We couldn't get the unique name, which is a pretty
697 * common case if we are connected to systemd
698 * directly. In that case, just pick a random uuid as
699 * name */
700
701 r = sd_id128_randomize(&rnd);
702 if (r < 0)
703 return log_error_errno(r, "Failed to generate random run unit name: %m");
704
705 if (asprintf(ret, "run-r" SD_ID128_FORMAT_STR ".%s", SD_ID128_FORMAT_VAL(rnd), unit_type_to_string(t)) < 0)
706 return log_oom();
707
708 return 0;
709 }
710
711 /* We managed to get the unique name, then let's use that to
712 * name our transient units. */
713
714 id = startswith(unique, ":1.");
715 if (!id) {
716 log_error("Unique name %s has unexpected format.", unique);
717 return -EINVAL;
718 }
719
720 p = strjoin("run-u", id, ".", unit_type_to_string(t), NULL);
721 if (!p)
722 return log_oom();
723
724 *ret = p;
725 return 0;
726}
727
4c213d6c
WC		 728static int start_transient_service(
729 sd_bus *bus,
ee451d76 730 char **argv) {
4c213d6c 731
4afd3348
LP		 732 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
733 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
3d161f99 734 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
ee451d76 735 _cleanup_free_ char *service = NULL, *pty_path = NULL;
9b15b784 736 _cleanup_close_ int master = -1;
4c213d6c
WC		 737 int r;
738
739 assert(bus);
740 assert(argv);
741
9b15b784 742 if (arg_pty) {
9b15b784 743
ee451d76
LP		 744 if (arg_transport == BUS_TRANSPORT_LOCAL) {
745 master = posix_openpt(O_RDWR|O_NOCTTY|O_CLOEXEC|O_NDELAY);
746 if (master < 0)
747 return log_error_errno(errno, "Failed to acquire pseudo tty: %m");
748
749 r = ptsname_malloc(master, &pty_path);
750 if (r < 0)
751 return log_error_errno(r, "Failed to determine tty name: %m");
752
395745ba
LP		 753 if (unlockpt(master) < 0)
754 return log_error_errno(errno, "Failed to unlock tty: %m");
755
de33fc62 756 } else if (arg_transport == BUS_TRANSPORT_MACHINE) {
4afd3348 757 _cleanup_(sd_bus_unrefp) sd_bus *system_bus = NULL;
ee451d76
LP		 758 const char *s;
759
024a8ec1 760 r = sd_bus_default_system(&system_bus);
ee451d76 761 if (r < 0)
024a8ec1 762 return log_error_errno(r, "Failed to connect to system bus: %m");
ee451d76
LP		 763
764 r = sd_bus_call_method(system_bus,
765 "org.freedesktop.machine1",
766 "/org/freedesktop/machine1",
767 "org.freedesktop.machine1.Manager",
768 "OpenMachinePTY",
769 &error,
770 &reply,
771 "s", arg_host);
772 if (r < 0) {
773 log_error("Failed to get machine PTY: %s", bus_error_message(&error, -r));
774 return r;
775 }
776
777 r = sd_bus_message_read(reply, "hs", &master, &s);
778 if (r < 0)
779 return bus_log_parse_error(r);
780
3d161f99
LP		 781 reply = sd_bus_message_unref(reply);
782
ee451d76
LP		 783 master = fcntl(master, F_DUPFD_CLOEXEC, 3);
784 if (master < 0)
785 return log_error_errno(errno, "Failed to duplicate master fd: %m");
786
787 pty_path = strdup(s);
788 if (!pty_path)
789 return log_oom();
790 } else
791 assert_not_reached("Can't allocate tty via ssh");
9b15b784
LP		 792 }
793
3d161f99
LP		 794 if (!arg_no_block) {
795 r = bus_wait_for_jobs_new(bus, &w);
796 if (r < 0)
797 return log_error_errno(r, "Could not watch jobs: %m");
798 }
799
4c213d6c 800 if (arg_unit) {
7410616c
LP		 801 r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
802 if (r < 0)
803 return log_error_errno(r, "Failed to mangle unit name: %m");
9c8d1e1a
LP		 804 } else {
805 r = make_unit_name(bus, UNIT_SERVICE, &service);
806 if (r < 0)
807 return r;
808 }
4c213d6c
WC		 809
810 r = sd_bus_message_new_method_call(
811 bus,
812 &m,
813 "org.freedesktop.systemd1",
814 "/org/freedesktop/systemd1",
815 "org.freedesktop.systemd1.Manager",
816 "StartTransientUnit");
9f2e86af 817 if (r < 0)
7040b626 818 return bus_log_create_error(r);
9f2e86af 819
8c7db2fb
EV		 820 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
821 if (r < 0)
822 return bus_log_create_error(r);
823
9b15b784 824 /* Name and mode */
4c213d6c 825 r = sd_bus_message_append(m, "ss", service, "fail");
c2756a68 826 if (r < 0)
7040b626 827 return bus_log_create_error(r);
c2756a68 828
9b15b784 829 /* Properties */
4c213d6c 830 r = sd_bus_message_open_container(m, 'a', "(sv)");
c2756a68 831 if (r < 0)
7040b626 832 return bus_log_create_error(r);
c2756a68 833
9b15b784 834 r = transient_service_set_properties(m, argv, pty_path);
c2756a68 835 if (r < 0)
7040b626 836 return bus_log_create_error(r);
c2756a68 837
4c213d6c 838 r = sd_bus_message_close_container(m);
c2756a68 839 if (r < 0)
7040b626 840 return bus_log_create_error(r);
c2756a68 841
9b15b784 842 /* Auxiliary units */
4c213d6c 843 r = sd_bus_message_append(m, "a(sa(sv))", 0);
c2756a68 844 if (r < 0)
7040b626 845 return bus_log_create_error(r);
c2756a68 846
8c7db2fb
EV		 847 polkit_agent_open_if_enabled();
848
3d161f99 849 r = sd_bus_call(bus, m, 0, &error, &reply);
024a8ec1
LP		 850 if (r < 0)
851 return log_error_errno(r, "Failed to start transient service unit: %s", bus_error_message(&error, r));
c2756a68 852
3d161f99
LP		 853 if (w) {
854 const char *object;
855
856 r = sd_bus_message_read(reply, "o", &object);
857 if (r < 0)
858 return bus_log_parse_error(r);
859
860 r = bus_wait_for_jobs_one(w, object, arg_quiet);
861 if (r < 0)
862 return r;
863 }
864
9b15b784
LP		 865 if (master >= 0) {
866 _cleanup_(pty_forward_freep) PTYForward *forward = NULL;
4afd3348 867 _cleanup_(sd_event_unrefp) sd_event *event = NULL;
9b15b784 868 char last_char = 0;
4c213d6c 869
9b15b784 870 r = sd_event_default(&event);
4c213d6c 871 if (r < 0)
9b15b784 872 return log_error_errno(r, "Failed to get event loop: %m");
4c213d6c 873
72c0a2c2 874 assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
4c213d6c 875
72c0a2c2
LP		 876 (void) sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
877 (void) sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
4c213d6c 878
095dc596 879 if (!arg_quiet)
f3ea87af 880 log_info("Running as unit: %s\nPress ^] three times within 1s to disconnect TTY.", service);
4c213d6c 881
ae3dde80 882 r = pty_forward_new(event, master, PTY_FORWARD_IGNORE_INITIAL_VHANGUP, &forward);
4c213d6c 883 if (r < 0)
9b15b784 884 return log_error_errno(r, "Failed to create PTY forwarder: %m");
4c213d6c 885
9b15b784 886 r = sd_event_loop(event);
4c213d6c 887 if (r < 0)
9b15b784 888 return log_error_errno(r, "Failed to run event loop: %m");
4c213d6c 889
0ec5543c 890 pty_forward_get_last_char(forward, &last_char);
4c213d6c 891
9b15b784 892 forward = pty_forward_free(forward);
4c213d6c 893
095dc596 894 if (!arg_quiet && last_char != '\n')
9b15b784 895 fputc('\n', stdout);
9f2e86af 896
095dc596 897 } else if (!arg_quiet)
f3ea87af 898 log_info("Running as unit: %s", service);
7040b626
LP		 899
900 return 0;
6c12b52e
LP		 901}
902
903static int start_transient_scope(
904 sd_bus *bus,
ee451d76 905 char **argv) {
6c12b52e 906
4afd3348
LP		 907 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
908 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 909 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
9b15b784 910 _cleanup_strv_free_ char **env = NULL, **user_env = NULL;
4c213d6c 911 _cleanup_free_ char *scope = NULL;
de158ed2 912 const char *object = NULL;
6c12b52e
LP		 913 int r;
914
8159d91a 915 assert(bus);
4c213d6c 916 assert(argv);
8159d91a 917
de158ed2
LP		 918 r = bus_wait_for_jobs_new(bus, &w);
919 if (r < 0)
920 return log_oom();
921
7de80bfe 922 if (arg_unit) {
7410616c
LP		 923 r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".scope", &scope);
924 if (r < 0)
925 return log_error_errno(r, "Failed to mangle scope name: %m");
9c8d1e1a
LP		 926 } else {
927 r = make_unit_name(bus, UNIT_SCOPE, &scope);
928 if (r < 0)
929 return r;
930 }
6c12b52e 931
4c213d6c 932 r = sd_bus_message_new_method_call(
9b15b784
LP		 933 bus,
934 &m,
935 "org.freedesktop.systemd1",
936 "/org/freedesktop/systemd1",
937 "org.freedesktop.systemd1.Manager",
938 "StartTransientUnit");
c2756a68 939 if (r < 0)
7040b626 940 return bus_log_create_error(r);
c2756a68 941
8c7db2fb
EV		 942 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
943 if (r < 0)
944 return bus_log_create_error(r);
945
9b15b784 946 /* Name and Mode */
4c213d6c
WC		 947 r = sd_bus_message_append(m, "ss", scope, "fail");
948 if (r < 0)
949 return bus_log_create_error(r);
950
9b15b784 951 /* Properties */
4c213d6c
WC		 952 r = sd_bus_message_open_container(m, 'a', "(sv)");
953 if (r < 0)
954 return bus_log_create_error(r);
955
956 r = transient_scope_set_properties(m);
957 if (r < 0)
958 return bus_log_create_error(r);
959
960 r = sd_bus_message_close_container(m);
961 if (r < 0)
962 return bus_log_create_error(r);
963
ee451d76 964 /* Auxiliary units */
4c213d6c 965 r = sd_bus_message_append(m, "a(sa(sv))", 0);
6c12b52e 966 if (r < 0)
7040b626 967 return bus_log_create_error(r);
6c12b52e 968
8c7db2fb
EV		 969 polkit_agent_open_if_enabled();
970
de158ed2 971 r = sd_bus_call(bus, m, 0, &error, &reply);
ee451d76
LP		 972 if (r < 0) {
973 log_error("Failed to start transient scope unit: %s", bus_error_message(&error, -r));
974 return r;
975 }
c2756a68 976
4de33e7f 977 if (arg_nice_set) {
4a62c710
MS		 978 if (setpriority(PRIO_PROCESS, 0, arg_nice) < 0)
979 return log_error_errno(errno, "Failed to set nice level: %m");
4de33e7f
LP		 980 }
981
982 if (arg_exec_group) {
983 gid_t gid;
984
985 r = get_group_creds(&arg_exec_group, &gid);
f647962d
MS		 986 if (r < 0)
987 return log_error_errno(r, "Failed to resolve group %s: %m", arg_exec_group);
4de33e7f 988
4a62c710
MS		 989 if (setresgid(gid, gid, gid) < 0)
990 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 991 }
992
993 if (arg_exec_user) {
994 const char *home, *shell;
995 uid_t uid;
996 gid_t gid;
997
998 r = get_user_creds(&arg_exec_user, &uid, &gid, &home, &shell);
f647962d
MS		 999 if (r < 0)
1000 return log_error_errno(r, "Failed to resolve user %s: %m", arg_exec_user);
4de33e7f
LP		 1001
1002 r = strv_extendf(&user_env, "HOME=%s", home);
1003 if (r < 0)
1004 return log_oom();
1005
1006 r = strv_extendf(&user_env, "SHELL=%s", shell);
1007 if (r < 0)
1008 return log_oom();
1009
1010 r = strv_extendf(&user_env, "USER=%s", arg_exec_user);
1011 if (r < 0)
1012 return log_oom();
1013
1014 r = strv_extendf(&user_env, "LOGNAME=%s", arg_exec_user);
1015 if (r < 0)
1016 return log_oom();
1017
1018 if (!arg_exec_group) {
4a62c710
MS		 1019 if (setresgid(gid, gid, gid) < 0)
1020 return log_error_errno(errno, "Failed to change GID to " GID_FMT ": %m", gid);
4de33e7f
LP		 1021 }
1022
4a62c710
MS		 1023 if (setresuid(uid, uid, uid) < 0)
1024 return log_error_errno(errno, "Failed to change UID to " UID_FMT ": %m", uid);
4de33e7f
LP		 1025 }
1026
1027 env = strv_env_merge(3, environ, user_env, arg_environment);
1028 if (!env)
1029 return log_oom();
1030
de158ed2
LP		 1031 r = sd_bus_message_read(reply, "o", &object);
1032 if (r < 0)
1033 return bus_log_parse_error(r);
1034
1035 r = bus_wait_for_jobs_one(w, object, arg_quiet);
1036 if (r < 0)
1037 return r;
1038
095dc596 1039 if (!arg_quiet)
f3ea87af 1040 log_info("Running scope as unit: %s", scope);
7040b626 1041
4de33e7f 1042 execvpe(argv[0], argv, env);
9b15b784
LP		 1043
1044 return log_error_errno(errno, "Failed to execute: %m");
1045}
1046
1047static int start_transient_timer(
1048 sd_bus *bus,
ee451d76 1049 char **argv) {
9b15b784 1050
4afd3348
LP		 1051 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1052 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL;
de158ed2 1053 _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL;
9b15b784 1054 _cleanup_free_ char *timer = NULL, *service = NULL;
de158ed2 1055 const char *object = NULL;
9b15b784
LP		 1056 int r;
1057
1058 assert(bus);
1059 assert(argv);
1060
de158ed2
LP		 1061 r = bus_wait_for_jobs_new(bus, &w);
1062 if (r < 0)
1063 return log_oom();
1064
9b15b784 1065 if (arg_unit) {
7410616c 1066 switch (unit_name_to_type(arg_unit)) {
9b15b784
LP		 1067
1068 case UNIT_SERVICE:
1069 service = strdup(arg_unit);
1070 if (!service)
1071 return log_oom();
1072
7410616c
LP		 1073 r = unit_name_change_suffix(service, ".timer", &timer);
1074 if (r < 0)
1075 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1076 break;
1077
1078 case UNIT_TIMER:
1079 timer = strdup(arg_unit);
1080 if (!timer)
1081 return log_oom();
1082
7410616c
LP		 1083 r = unit_name_change_suffix(timer, ".service", &service);
1084 if (r < 0)
1085 return log_error_errno(r, "Failed to change unit suffix: %m");
9b15b784
LP		 1086 break;
1087
1088 default:
7410616c
LP		 1089 r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".service", &service);
1090 if (r < 0)
1091 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784 1092
7410616c
LP		 1093 r = unit_name_mangle_with_suffix(arg_unit, UNIT_NAME_NOGLOB, ".timer", &timer);
1094 if (r < 0)
1095 return log_error_errno(r, "Failed to mangle unit name: %m");
9b15b784
LP		 1096
1097 break;
1098 }
9c8d1e1a
LP		 1099 } else {
1100 r = make_unit_name(bus, UNIT_SERVICE, &service);
1101 if (r < 0)
1102 return r;
1103
1104 r = unit_name_change_suffix(service, ".timer", &timer);
1105 if (r < 0)
1106 return log_error_errno(r, "Failed to change unit suffix: %m");
1107 }
9b15b784
LP		 1108
1109 r = sd_bus_message_new_method_call(
1110 bus,
1111 &m,
1112 "org.freedesktop.systemd1",
1113 "/org/freedesktop/systemd1",
1114 "org.freedesktop.systemd1.Manager",
1115 "StartTransientUnit");
1116 if (r < 0)
1117 return bus_log_create_error(r);
1118
8c7db2fb
EV		 1119 r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password);
1120 if (r < 0)
1121 return bus_log_create_error(r);
1122
9b15b784
LP		 1123 /* Name and Mode */
1124 r = sd_bus_message_append(m, "ss", timer, "fail");
1125 if (r < 0)
1126 return bus_log_create_error(r);
1127
1128 /* Properties */
1129 r = sd_bus_message_open_container(m, 'a', "(sv)");
1130 if (r < 0)
1131 return bus_log_create_error(r);
1132
1133 r = transient_timer_set_properties(m);
1134 if (r < 0)
1135 return bus_log_create_error(r);
1136
1137 r = sd_bus_message_close_container(m);
1138 if (r < 0)
1139 return bus_log_create_error(r);
1140
1141 r = sd_bus_message_open_container(m, 'a', "(sa(sv))");
1142 if (r < 0)
1143 return bus_log_create_error(r);
1144
1145 if (argv[0]) {
1146 r = sd_bus_message_open_container(m, 'r', "sa(sv)");
1147 if (r < 0)
1148 return bus_log_create_error(r);
1149
1150 r = sd_bus_message_append(m, "s", service);
1151 if (r < 0)
1152 return bus_log_create_error(r);
1153
1154 r = sd_bus_message_open_container(m, 'a', "(sv)");
1155 if (r < 0)
1156 return bus_log_create_error(r);
1157
1158 r = transient_service_set_properties(m, argv, NULL);
1159 if (r < 0)
1160 return bus_log_create_error(r);
1161
1162 r = sd_bus_message_close_container(m);
1163 if (r < 0)
1164 return bus_log_create_error(r);
1165
1166 r = sd_bus_message_close_container(m);
1167 if (r < 0)
1168 return bus_log_create_error(r);
1169 }
1170
1171 r = sd_bus_message_close_container(m);
1172 if (r < 0)
1173 return bus_log_create_error(r);
1174
8c7db2fb
EV		 1175 polkit_agent_open_if_enabled();
1176
de158ed2 1177 r = sd_bus_call(bus, m, 0, &error, &reply);
ee451d76
LP		 1178 if (r < 0) {
1179 log_error("Failed to start transient timer unit: %s", bus_error_message(&error, -r));
1180 return r;
1181 }
9b15b784 1182
de158ed2
LP		 1183 r = sd_bus_message_read(reply, "o", &object);
1184 if (r < 0)
1185 return bus_log_parse_error(r);
1186
1187 r = bus_wait_for_jobs_one(w, object, arg_quiet);
1188 if (r < 0)
1189 return r;
1190
f3ea87af 1191 log_info("Running timer as unit: %s", timer);
9b15b784 1192 if (argv[0])
f3ea87af 1193 log_info("Will run service as unit: %s", service);
9b15b784
LP		 1194
1195 return 0;
c2756a68
LP		 1196}
1197
1198int main(int argc, char* argv[]) {
4afd3348 1199 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
c9d954b2 1200 _cleanup_free_ char *description = NULL, *command = NULL;
c2756a68
LP		 1201 int r;
1202
1203 log_parse_environment();
1204 log_open();
1205
6c12b52e
LP		 1206 r = parse_argv(argc, argv);
1207 if (r <= 0)
66b1e746 1208 goto finish;
c2756a68 1209
85eca92e
LP		 1210 if (argc > optind && arg_transport == BUS_TRANSPORT_LOCAL) {
1211 /* Patch in an absolute path */
1212
1213 r = find_binary(argv[optind], &command);
4c213d6c 1214 if (r < 0) {
85eca92e
LP		 1215 log_error_errno(r, "Failed to find executable %s: %m", argv[optind]);
1216 goto finish;
1217 }
85eca92e 1218
4c213d6c 1219 argv[optind] = command;
c9d954b2 1220 }
c9d954b2 1221
9f2e86af
LP		 1222 if (!arg_description) {
1223 description = strv_join(argv + optind, " ");
1224 if (!description) {
1225 r = log_oom();
66b1e746 1226 goto finish;
9f2e86af
LP		 1227 }
1228
4c213d6c 1229 if (arg_unit && isempty(description)) {
2fc09a9c
DM		 1230 r = free_and_strdup(&description, arg_unit);
1231 if (r < 0)
4c213d6c 1232 goto finish;
4c213d6c
WC		 1233 }
1234
9f2e86af
LP		 1235 arg_description = description;
1236 }
1237
266f3e26 1238 r = bus_connect_transport_systemd(arg_transport, arg_host, arg_user, &bus);
c2756a68 1239 if (r < 0) {
da927ba9 1240 log_error_errno(r, "Failed to create bus connection: %m");
66b1e746 1241 goto finish;
c2756a68
LP		 1242 }
1243
6c12b52e 1244 if (arg_scope)
ee451d76 1245 r = start_transient_scope(bus, argv + optind);
4c213d6c 1246 else if (with_timer())
ee451d76 1247 r = start_transient_timer(bus, argv + optind);
6c12b52e 1248 else
ee451d76 1249 r = start_transient_service(bus, argv + optind);
c2756a68 1250
66b1e746 1251finish:
df31a6c0
LP		 1252 strv_free(arg_environment);
1253 strv_free(arg_property);
4c213d6c 1254 strv_free(arg_timer_property);
df31a6c0 1255
c2756a68
LP		 1256 return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
1257}
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