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[thirdparty/systemd.git] / src / shared / bus-unit-util.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include "alloc-util.h"
4 #include "bus-error.h"
5 #include "bus-unit-util.h"
6 #include "bus-util.h"
7 #include "cap-list.h"
8 #include "cgroup-setup.h"
9 #include "cgroup-util.h"
10 #include "condition.h"
11 #include "coredump-util.h"
12 #include "cpu-set-util.h"
13 #include "escape.h"
14 #include "exec-util.h"
15 #include "exit-status.h"
16 #include "hexdecoct.h"
17 #include "hostname-util.h"
18 #include "in-addr-util.h"
19 #include "ip-protocol-list.h"
20 #include "locale-util.h"
21 #include "log.h"
22 #include "missing_fs.h"
23 #include "mountpoint-util.h"
24 #include "nsflags.h"
25 #include "numa-util.h"
26 #include "parse-util.h"
27 #include "process-util.h"
28 #include "rlimit-util.h"
29 #include "securebits-util.h"
30 #include "signal-util.h"
31 #include "socket-util.h"
32 #include "sort-util.h"
33 #include "stdio-util.h"
34 #include "string-util.h"
35 #include "syslog-util.h"
36 #include "terminal-util.h"
37 #include "unit-def.h"
38 #include "user-util.h"
39 #include "utf8.h"
40
41 int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
42 assert(message);
43 assert(u);
44
45 u->machine = NULL;
46
47 return sd_bus_message_read(
48 message,
49 "(ssssssouso)",
50 &u->id,
51 &u->description,
52 &u->load_state,
53 &u->active_state,
54 &u->sub_state,
55 &u->following,
56 &u->unit_path,
57 &u->job_id,
58 &u->job_type,
59 &u->job_path);
60 }
61
62 #define DEFINE_BUS_APPEND_PARSE_PTR(bus_type, cast_type, type, parse_func) \
63 static int bus_append_##parse_func( \
64 sd_bus_message *m, \
65 const char *field, \
66 const char *eq) { \
67 type val; \
68 int r; \
69 \
70 r = parse_func(eq, &val); \
71 if (r < 0) \
72 return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq); \
73 \
74 r = sd_bus_message_append(m, "(sv)", field, \
75 bus_type, (cast_type) val); \
76 if (r < 0) \
77 return bus_log_create_error(r); \
78 \
79 return 1; \
80 }
81
82 #define DEFINE_BUS_APPEND_PARSE(bus_type, parse_func) \
83 static int bus_append_##parse_func( \
84 sd_bus_message *m, \
85 const char *field, \
86 const char *eq) { \
87 int r; \
88 \
89 r = parse_func(eq); \
90 if (r < 0) \
91 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse %s: %s", field, eq); \
92 \
93 r = sd_bus_message_append(m, "(sv)", field, \
94 bus_type, (int32_t) r); \
95 if (r < 0) \
96 return bus_log_create_error(r); \
97 \
98 return 1; \
99 }
100
101 DEFINE_BUS_APPEND_PARSE("b", parse_boolean);
102 DEFINE_BUS_APPEND_PARSE("i", ioprio_class_from_string);
103 DEFINE_BUS_APPEND_PARSE("i", ip_tos_from_string);
104 DEFINE_BUS_APPEND_PARSE("i", log_facility_unshifted_from_string);
105 DEFINE_BUS_APPEND_PARSE("i", log_level_from_string);
106 DEFINE_BUS_APPEND_PARSE("i", parse_errno);
107 DEFINE_BUS_APPEND_PARSE("i", sched_policy_from_string);
108 DEFINE_BUS_APPEND_PARSE("i", secure_bits_from_string);
109 DEFINE_BUS_APPEND_PARSE("i", signal_from_string);
110 DEFINE_BUS_APPEND_PARSE("i", parse_ip_protocol);
111 DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, ioprio_parse_priority);
112 DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, parse_nice);
113 DEFINE_BUS_APPEND_PARSE_PTR("i", int32_t, int, safe_atoi);
114 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, nsec_t, parse_nsec);
115 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_blkio_weight_parse);
116 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_cpu_shares_parse);
117 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, cg_weight_parse);
118 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, unsigned long, mount_propagation_flags_from_string);
119 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, safe_atou64);
120 DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, mode_t, parse_mode);
121 DEFINE_BUS_APPEND_PARSE_PTR("u", uint32_t, unsigned, safe_atou);
122 DEFINE_BUS_APPEND_PARSE_PTR("x", int64_t, int64_t, safe_atoi64);
123 DEFINE_BUS_APPEND_PARSE_PTR("t", uint64_t, uint64_t, coredump_filter_mask_from_string);
124
125 static int bus_append_string(sd_bus_message *m, const char *field, const char *eq) {
126 int r;
127
128 r = sd_bus_message_append(m, "(sv)", field, "s", eq);
129 if (r < 0)
130 return bus_log_create_error(r);
131
132 return 1;
133 }
134
135 static int bus_append_strv(sd_bus_message *m, const char *field, const char *eq, ExtractFlags flags) {
136 const char *p;
137 int r;
138
139 r = sd_bus_message_open_container(m, 'r', "sv");
140 if (r < 0)
141 return bus_log_create_error(r);
142
143 r = sd_bus_message_append_basic(m, 's', field);
144 if (r < 0)
145 return bus_log_create_error(r);
146
147 r = sd_bus_message_open_container(m, 'v', "as");
148 if (r < 0)
149 return bus_log_create_error(r);
150
151 r = sd_bus_message_open_container(m, 'a', "s");
152 if (r < 0)
153 return bus_log_create_error(r);
154
155 for (p = eq;;) {
156 _cleanup_free_ char *word = NULL;
157
158 r = extract_first_word(&p, &word, NULL, flags);
159 if (r == 0)
160 break;
161 if (r == -ENOMEM)
162 return log_oom();
163 if (r < 0)
164 return log_error_errno(r, "Invalid syntax: %s", eq);
165
166 r = sd_bus_message_append_basic(m, 's', word);
167 if (r < 0)
168 return bus_log_create_error(r);
169 }
170
171 r = sd_bus_message_close_container(m);
172 if (r < 0)
173 return bus_log_create_error(r);
174
175 r = sd_bus_message_close_container(m);
176 if (r < 0)
177 return bus_log_create_error(r);
178
179 r = sd_bus_message_close_container(m);
180 if (r < 0)
181 return bus_log_create_error(r);
182
183 return 1;
184 }
185
186 static int bus_append_byte_array(sd_bus_message *m, const char *field, const void *buf, size_t n) {
187 int r;
188
189 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
190 if (r < 0)
191 return bus_log_create_error(r);
192
193 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
194 if (r < 0)
195 return bus_log_create_error(r);
196
197 r = sd_bus_message_open_container(m, 'v', "ay");
198 if (r < 0)
199 return bus_log_create_error(r);
200
201 r = sd_bus_message_append_array(m, 'y', buf, n);
202 if (r < 0)
203 return bus_log_create_error(r);
204
205 r = sd_bus_message_close_container(m);
206 if (r < 0)
207 return bus_log_create_error(r);
208
209 r = sd_bus_message_close_container(m);
210 if (r < 0)
211 return bus_log_create_error(r);
212
213 return 1;
214 }
215
216 static int bus_append_parse_sec_rename(sd_bus_message *m, const char *field, const char *eq) {
217 char *n;
218 usec_t t;
219 size_t l;
220 int r;
221
222 r = parse_sec(eq, &t);
223 if (r < 0)
224 return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
225
226 l = strlen(field);
227 n = newa(char, l + 2);
228 /* Change suffix Sec → USec */
229 strcpy(mempcpy(n, field, l - 3), "USec");
230
231 r = sd_bus_message_append(m, "(sv)", n, "t", t);
232 if (r < 0)
233 return bus_log_create_error(r);
234
235 return 1;
236 }
237
238 static int bus_append_parse_size(sd_bus_message *m, const char *field, const char *eq, uint64_t base) {
239 uint64_t v;
240 int r;
241
242 r = parse_size(eq, base, &v);
243 if (r < 0)
244 return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
245
246 r = sd_bus_message_append(m, "(sv)", field, "t", v);
247 if (r < 0)
248 return bus_log_create_error(r);
249
250 return 1;
251 }
252
253 static int bus_append_exec_command(sd_bus_message *m, const char *field, const char *eq) {
254 bool explicit_path = false, done = false;
255 _cleanup_strv_free_ char **l = NULL, **ex_opts = NULL;
256 _cleanup_free_ char *path = NULL, *upgraded_name = NULL;
257 ExecCommandFlags flags = 0;
258 bool is_ex_prop = endswith(field, "Ex");
259 int r;
260
261 do {
262 switch (*eq) {
263
264 case '-':
265 if (FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE))
266 done = true;
267 else {
268 flags |= EXEC_COMMAND_IGNORE_FAILURE;
269 eq++;
270 }
271 break;
272
273 case '@':
274 if (explicit_path)
275 done = true;
276 else {
277 explicit_path = true;
278 eq++;
279 }
280 break;
281
282 case ':':
283 if (FLAGS_SET(flags, EXEC_COMMAND_NO_ENV_EXPAND))
284 done = true;
285 else {
286 flags |= EXEC_COMMAND_NO_ENV_EXPAND;
287 eq++;
288 }
289 break;
290
291 case '+':
292 if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC))
293 done = true;
294 else {
295 flags |= EXEC_COMMAND_FULLY_PRIVILEGED;
296 eq++;
297 }
298 break;
299
300 case '!':
301 if (flags & (EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_AMBIENT_MAGIC))
302 done = true;
303 else if (FLAGS_SET(flags, EXEC_COMMAND_NO_SETUID)) {
304 flags &= ~EXEC_COMMAND_NO_SETUID;
305 flags |= EXEC_COMMAND_AMBIENT_MAGIC;
306 eq++;
307 } else {
308 flags |= EXEC_COMMAND_NO_SETUID;
309 eq++;
310 }
311 break;
312
313 default:
314 done = true;
315 break;
316 }
317 } while (!done);
318
319 if (!is_ex_prop && (flags & (EXEC_COMMAND_NO_ENV_EXPAND|EXEC_COMMAND_FULLY_PRIVILEGED|EXEC_COMMAND_NO_SETUID|EXEC_COMMAND_AMBIENT_MAGIC))) {
320 /* Upgrade the ExecXYZ= property to ExecXYZEx= for convenience */
321 is_ex_prop = true;
322 upgraded_name = strjoin(field, "Ex");
323 if (!upgraded_name)
324 return log_oom();
325 }
326
327 if (is_ex_prop) {
328 r = exec_command_flags_to_strv(flags, &ex_opts);
329 if (r < 0)
330 return log_error_errno(r, "Failed to convert ExecCommandFlags to strv: %m");
331 }
332
333 if (explicit_path) {
334 r = extract_first_word(&eq, &path, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
335 if (r < 0)
336 return log_error_errno(r, "Failed to parse path: %m");
337 }
338
339 r = strv_split_extract(&l, eq, NULL, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
340 if (r < 0)
341 return log_error_errno(r, "Failed to parse command line: %m");
342
343 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
344 if (r < 0)
345 return bus_log_create_error(r);
346
347 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, upgraded_name ?: field);
348 if (r < 0)
349 return bus_log_create_error(r);
350
351 r = sd_bus_message_open_container(m, 'v', is_ex_prop ? "a(sasas)" : "a(sasb)");
352 if (r < 0)
353 return bus_log_create_error(r);
354
355 r = sd_bus_message_open_container(m, 'a', is_ex_prop ? "(sasas)" : "(sasb)");
356 if (r < 0)
357 return bus_log_create_error(r);
358
359 if (!strv_isempty(l)) {
360
361 r = sd_bus_message_open_container(m, 'r', is_ex_prop ? "sasas" : "sasb");
362 if (r < 0)
363 return bus_log_create_error(r);
364
365 r = sd_bus_message_append(m, "s", path ?: l[0]);
366 if (r < 0)
367 return bus_log_create_error(r);
368
369 r = sd_bus_message_append_strv(m, l);
370 if (r < 0)
371 return bus_log_create_error(r);
372
373 r = is_ex_prop ? sd_bus_message_append_strv(m, ex_opts) : sd_bus_message_append(m, "b", FLAGS_SET(flags, EXEC_COMMAND_IGNORE_FAILURE));
374 if (r < 0)
375 return bus_log_create_error(r);
376
377 r = sd_bus_message_close_container(m);
378 if (r < 0)
379 return bus_log_create_error(r);
380 }
381
382 r = sd_bus_message_close_container(m);
383 if (r < 0)
384 return bus_log_create_error(r);
385
386 r = sd_bus_message_close_container(m);
387 if (r < 0)
388 return bus_log_create_error(r);
389
390 r = sd_bus_message_close_container(m);
391 if (r < 0)
392 return bus_log_create_error(r);
393
394 return 1;
395 }
396
397 static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) {
398 int r;
399
400 assert(m);
401 assert(prefix);
402
403 r = sd_bus_message_open_container(m, 'r', "iayu");
404 if (r < 0)
405 return r;
406
407 r = sd_bus_message_append(m, "i", family);
408 if (r < 0)
409 return r;
410
411 r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family));
412 if (r < 0)
413 return r;
414
415 r = sd_bus_message_append(m, "u", prefixlen);
416 if (r < 0)
417 return r;
418
419 return sd_bus_message_close_container(m);
420 }
421
422 static int bus_append_cgroup_property(sd_bus_message *m, const char *field, const char *eq) {
423 int r;
424
425 if (STR_IN_SET(field, "DevicePolicy", "Slice"))
426 return bus_append_string(m, field, eq);
427
428 if (STR_IN_SET(field, "CPUAccounting",
429 "MemoryAccounting",
430 "IOAccounting",
431 "BlockIOAccounting",
432 "TasksAccounting",
433 "IPAccounting"))
434 return bus_append_parse_boolean(m, field, eq);
435
436 if (STR_IN_SET(field, "CPUWeight",
437 "StartupCPUWeight",
438 "IOWeight",
439 "StartupIOWeight"))
440 return bus_append_cg_weight_parse(m, field, eq);
441
442 if (STR_IN_SET(field, "CPUShares",
443 "StartupCPUShares"))
444 return bus_append_cg_cpu_shares_parse(m, field, eq);
445
446 if (STR_IN_SET(field, "AllowedCPUs",
447 "AllowedMemoryNodes")) {
448 _cleanup_(cpu_set_reset) CPUSet cpuset = {};
449 _cleanup_free_ uint8_t *array = NULL;
450 size_t allocated;
451
452 r = parse_cpu_set(eq, &cpuset);
453 if (r < 0)
454 return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
455
456 r = cpu_set_to_dbus(&cpuset, &array, &allocated);
457 if (r < 0)
458 return log_error_errno(r, "Failed to serialize CPUSet: %m");
459
460 return bus_append_byte_array(m, field, array, allocated);
461 }
462
463 if (STR_IN_SET(field, "BlockIOWeight",
464 "StartupBlockIOWeight"))
465 return bus_append_cg_blkio_weight_parse(m, field, eq);
466
467 if (streq(field, "DisableControllers"))
468 return bus_append_strv(m, "DisableControllers", eq, EXTRACT_UNQUOTE);
469
470 if (streq(field, "Delegate")) {
471 r = parse_boolean(eq);
472 if (r < 0)
473 return bus_append_strv(m, "DelegateControllers", eq, EXTRACT_UNQUOTE);
474
475 r = sd_bus_message_append(m, "(sv)", "Delegate", "b", r);
476 if (r < 0)
477 return bus_log_create_error(r);
478
479 return 1;
480 }
481
482 if (STR_IN_SET(field, "MemoryMin",
483 "DefaultMemoryLow",
484 "DefaultMemoryMin",
485 "MemoryLow",
486 "MemoryHigh",
487 "MemoryMax",
488 "MemorySwapMax",
489 "MemoryLimit",
490 "TasksMax")) {
491
492 if (isempty(eq) || streq(eq, "infinity")) {
493 r = sd_bus_message_append(m, "(sv)", field, "t", CGROUP_LIMIT_MAX);
494 if (r < 0)
495 return bus_log_create_error(r);
496 return 1;
497 }
498
499 r = parse_permille(eq);
500 if (r >= 0) {
501 char *n;
502
503 /* When this is a percentage we'll convert this into a relative value in the range 0…UINT32_MAX
504 * and pass it in the MemoryLowScale property (and related ones). This way the physical memory
505 * size can be determined server-side. */
506
507 n = strjoina(field, "Scale");
508 r = sd_bus_message_append(m, "(sv)", n, "u", (uint32_t) (((uint64_t) r * UINT32_MAX) / 1000U));
509 if (r < 0)
510 return bus_log_create_error(r);
511
512 return 1;
513 }
514
515 if (streq(field, "TasksMax"))
516 return bus_append_safe_atou64(m, field, eq);
517
518 return bus_append_parse_size(m, field, eq, 1024);
519 }
520
521 if (streq(field, "CPUQuota")) {
522 if (isempty(eq))
523 r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", USEC_INFINITY);
524 else {
525 r = parse_permille_unbounded(eq);
526 if (r == 0)
527 return log_error_errno(SYNTHETIC_ERRNO(ERANGE),
528 "CPU quota too small.");
529 if (r < 0)
530 return log_error_errno(r, "CPU quota '%s' invalid.", eq);
531
532 r = sd_bus_message_append(m, "(sv)", "CPUQuotaPerSecUSec", "t", (((uint64_t) r * USEC_PER_SEC) / 1000U));
533 }
534
535 if (r < 0)
536 return bus_log_create_error(r);
537
538 return 1;
539 }
540
541 if (streq(field, "CPUQuotaPeriodSec")) {
542 usec_t u = USEC_INFINITY;
543
544 r = parse_sec_def_infinity(eq, &u);
545 if (r < 0)
546 return log_error_errno(r, "CPU quota period '%s' invalid.", eq);
547
548 r = sd_bus_message_append(m, "(sv)", "CPUQuotaPeriodUSec", "t", u);
549 if (r < 0)
550 return bus_log_create_error(r);
551
552 return 1;
553 }
554
555 if (streq(field, "DeviceAllow")) {
556 if (isempty(eq))
557 r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 0);
558 else {
559 const char *path = eq, *rwm = NULL, *e;
560
561 e = strchr(eq, ' ');
562 if (e) {
563 path = strndupa(eq, e - eq);
564 rwm = e+1;
565 }
566
567 r = sd_bus_message_append(m, "(sv)", field, "a(ss)", 1, path, strempty(rwm));
568 }
569
570 if (r < 0)
571 return bus_log_create_error(r);
572
573 return 1;
574 }
575
576 if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) {
577 if (isempty(eq))
578 r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
579 else {
580 const char *path, *bandwidth, *e;
581 uint64_t bytes;
582
583 e = strchr(eq, ' ');
584 if (!e)
585 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
586 "Failed to parse %s value %s.",
587 field, eq);
588
589 path = strndupa(eq, e - eq);
590 bandwidth = e+1;
591
592 if (streq(bandwidth, "infinity"))
593 bytes = CGROUP_LIMIT_MAX;
594 else {
595 r = parse_size(bandwidth, 1000, &bytes);
596 if (r < 0)
597 return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth);
598 }
599
600 r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, bytes);
601 }
602
603 if (r < 0)
604 return bus_log_create_error(r);
605
606 return 1;
607 }
608
609 if (STR_IN_SET(field, "IODeviceWeight",
610 "BlockIODeviceWeight")) {
611 if (isempty(eq))
612 r = sd_bus_message_append(m, "(sv)", field, "a(st)", 0);
613 else {
614 const char *path, *weight, *e;
615 uint64_t u;
616
617 e = strchr(eq, ' ');
618 if (!e)
619 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
620 "Failed to parse %s value %s.",
621 field, eq);
622
623 path = strndupa(eq, e - eq);
624 weight = e+1;
625
626 r = safe_atou64(weight, &u);
627 if (r < 0)
628 return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight);
629
630 r = sd_bus_message_append(m, "(sv)", field, "a(st)", 1, path, u);
631 }
632
633 if (r < 0)
634 return bus_log_create_error(r);
635
636 return 1;
637 }
638
639 if (streq(field, "IODeviceLatencyTargetSec")) {
640 const char *field_usec = "IODeviceLatencyTargetUSec";
641
642 if (isempty(eq))
643 r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", USEC_INFINITY);
644 else {
645 const char *path, *target, *e;
646 usec_t usec;
647
648 e = strchr(eq, ' ');
649 if (!e)
650 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
651 "Failed to parse %s value %s.",
652 field, eq);
653
654 path = strndupa(eq, e - eq);
655 target = e+1;
656
657 r = parse_sec(target, &usec);
658 if (r < 0)
659 return log_error_errno(r, "Failed to parse %s value %s: %m", field, target);
660
661 r = sd_bus_message_append(m, "(sv)", field_usec, "a(st)", 1, path, usec);
662 }
663
664 if (r < 0)
665 return bus_log_create_error(r);
666
667 return 1;
668 }
669
670 if (STR_IN_SET(field, "IPAddressAllow",
671 "IPAddressDeny")) {
672 unsigned char prefixlen;
673 union in_addr_union prefix = {};
674 int family;
675
676 if (isempty(eq)) {
677 r = sd_bus_message_append(m, "(sv)", field, "a(iayu)", 0);
678 if (r < 0)
679 return bus_log_create_error(r);
680
681 return 1;
682 }
683
684 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
685 if (r < 0)
686 return bus_log_create_error(r);
687
688 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
689 if (r < 0)
690 return bus_log_create_error(r);
691
692 r = sd_bus_message_open_container(m, 'v', "a(iayu)");
693 if (r < 0)
694 return bus_log_create_error(r);
695
696 r = sd_bus_message_open_container(m, 'a', "(iayu)");
697 if (r < 0)
698 return bus_log_create_error(r);
699
700 if (streq(eq, "any")) {
701 /* "any" is a shortcut for 0.0.0.0/0 and ::/0 */
702
703 r = bus_append_ip_address_access(m, AF_INET, &prefix, 0);
704 if (r < 0)
705 return bus_log_create_error(r);
706
707 r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0);
708 if (r < 0)
709 return bus_log_create_error(r);
710
711 } else if (is_localhost(eq)) {
712 /* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */
713
714 prefix.in.s_addr = htobe32(0x7f000000);
715 r = bus_append_ip_address_access(m, AF_INET, &prefix, 8);
716 if (r < 0)
717 return bus_log_create_error(r);
718
719 prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT;
720 r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128);
721 if (r < 0)
722 return r;
723
724 } else if (streq(eq, "link-local")) {
725 /* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */
726
727 prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16));
728 r = bus_append_ip_address_access(m, AF_INET, &prefix, 16);
729 if (r < 0)
730 return bus_log_create_error(r);
731
732 prefix.in6 = (struct in6_addr) {
733 .s6_addr32[0] = htobe32(0xfe800000)
734 };
735 r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64);
736 if (r < 0)
737 return bus_log_create_error(r);
738
739 } else if (streq(eq, "multicast")) {
740 /* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */
741
742 prefix.in.s_addr = htobe32((UINT32_C(224) << 24));
743 r = bus_append_ip_address_access(m, AF_INET, &prefix, 4);
744 if (r < 0)
745 return bus_log_create_error(r);
746
747 prefix.in6 = (struct in6_addr) {
748 .s6_addr32[0] = htobe32(0xff000000)
749 };
750 r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8);
751 if (r < 0)
752 return bus_log_create_error(r);
753
754 } else {
755 for (;;) {
756 _cleanup_free_ char *word = NULL;
757
758 r = extract_first_word(&eq, &word, NULL, 0);
759 if (r == 0)
760 break;
761 if (r == -ENOMEM)
762 return log_oom();
763 if (r < 0)
764 return log_error_errno(r, "Failed to parse %s: %s", field, eq);
765
766 r = in_addr_prefix_from_string_auto(word, &family, &prefix, &prefixlen);
767 if (r < 0)
768 return log_error_errno(r, "Failed to parse IP address prefix: %s", word);
769
770 r = bus_append_ip_address_access(m, family, &prefix, prefixlen);
771 if (r < 0)
772 return bus_log_create_error(r);
773 }
774 }
775
776 r = sd_bus_message_close_container(m);
777 if (r < 0)
778 return bus_log_create_error(r);
779
780 r = sd_bus_message_close_container(m);
781 if (r < 0)
782 return bus_log_create_error(r);
783
784 r = sd_bus_message_close_container(m);
785 if (r < 0)
786 return bus_log_create_error(r);
787
788 return 1;
789 }
790
791 if (STR_IN_SET(field, "IPIngressFilterPath",
792 "IPEgressFilterPath")) {
793 if (isempty(eq))
794 r = sd_bus_message_append(m, "(sv)", field, "as", 0);
795 else
796 r = sd_bus_message_append(m, "(sv)", field, "as", 1, eq);
797
798 if (r < 0)
799 return bus_log_create_error(r);
800
801 return 1;
802 }
803
804 return 0;
805 }
806
807 static int bus_append_automount_property(sd_bus_message *m, const char *field, const char *eq) {
808 if (streq(field, "Where"))
809 return bus_append_string(m, field, eq);
810
811 if (streq(field, "DirectoryMode"))
812 return bus_append_parse_mode(m, field, eq);
813
814 if (streq(field, "TimeoutIdleSec"))
815 return bus_append_parse_sec_rename(m, field, eq);
816
817 return 0;
818 }
819
820 static int bus_append_execute_property(sd_bus_message *m, const char *field, const char *eq) {
821 const char *suffix;
822 int r;
823
824 if (STR_IN_SET(field, "User",
825 "Group",
826 "UtmpIdentifier",
827 "UtmpMode",
828 "PAMName",
829 "TTYPath",
830 "WorkingDirectory",
831 "RootDirectory",
832 "SyslogIdentifier",
833 "ProtectSystem",
834 "ProtectHome",
835 "SELinuxContext",
836 "RootImage",
837 "RuntimeDirectoryPreserve",
838 "Personality",
839 "KeyringMode",
840 "NetworkNamespacePath",
841 "LogNamespace"))
842 return bus_append_string(m, field, eq);
843
844 if (STR_IN_SET(field, "IgnoreSIGPIPE",
845 "TTYVHangup",
846 "TTYReset",
847 "TTYVTDisallocate",
848 "PrivateTmp",
849 "PrivateDevices",
850 "PrivateNetwork",
851 "PrivateUsers",
852 "PrivateMounts",
853 "NoNewPrivileges",
854 "SyslogLevelPrefix",
855 "MemoryDenyWriteExecute",
856 "RestrictRealtime",
857 "DynamicUser",
858 "RemoveIPC",
859 "ProtectKernelTunables",
860 "ProtectKernelModules",
861 "ProtectKernelLogs",
862 "ProtectClock",
863 "ProtectControlGroups",
864 "MountAPIVFS",
865 "CPUSchedulingResetOnFork",
866 "LockPersonality",
867 "ProtectHostname",
868 "RestrictSUIDSGID"))
869 return bus_append_parse_boolean(m, field, eq);
870
871 if (STR_IN_SET(field, "ReadWriteDirectories",
872 "ReadOnlyDirectories",
873 "InaccessibleDirectories",
874 "ReadWritePaths",
875 "ReadOnlyPaths",
876 "InaccessiblePaths",
877 "RuntimeDirectory",
878 "StateDirectory",
879 "CacheDirectory",
880 "LogsDirectory",
881 "ConfigurationDirectory",
882 "SupplementaryGroups",
883 "SystemCallArchitectures"))
884 return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
885
886 if (STR_IN_SET(field, "SyslogLevel",
887 "LogLevelMax"))
888 return bus_append_log_level_from_string(m, field, eq);
889
890 if (streq(field, "SyslogFacility"))
891 return bus_append_log_facility_unshifted_from_string(m, field, eq);
892
893 if (streq(field, "SecureBits"))
894 return bus_append_secure_bits_from_string(m, field, eq);
895
896 if (streq(field, "CPUSchedulingPolicy"))
897 return bus_append_sched_policy_from_string(m, field, eq);
898
899 if (STR_IN_SET(field, "CPUSchedulingPriority",
900 "OOMScoreAdjust"))
901 return bus_append_safe_atoi(m, field, eq);
902
903 if (streq(field, "CoredumpFilter"))
904 return bus_append_coredump_filter_mask_from_string(m, field, eq);
905
906 if (streq(field, "Nice"))
907 return bus_append_parse_nice(m, field, eq);
908
909 if (streq(field, "SystemCallErrorNumber"))
910 return bus_append_parse_errno(m, field, eq);
911
912 if (streq(field, "IOSchedulingClass"))
913 return bus_append_ioprio_class_from_string(m, field, eq);
914
915 if (streq(field, "IOSchedulingPriority"))
916 return bus_append_ioprio_parse_priority(m, field, eq);
917
918 if (STR_IN_SET(field, "RuntimeDirectoryMode",
919 "StateDirectoryMode",
920 "CacheDirectoryMode",
921 "LogsDirectoryMode",
922 "ConfigurationDirectoryMode",
923 "UMask"))
924 return bus_append_parse_mode(m, field, eq);
925
926 if (streq(field, "TimerSlackNSec"))
927 return bus_append_parse_nsec(m, field, eq);
928
929 if (streq(field, "LogRateLimitIntervalSec"))
930 return bus_append_parse_sec_rename(m, field, eq);
931
932 if (streq(field, "LogRateLimitBurst"))
933 return bus_append_safe_atou(m, field, eq);
934
935 if (streq(field, "MountFlags"))
936 return bus_append_mount_propagation_flags_from_string(m, field, eq);
937
938 if (STR_IN_SET(field, "Environment",
939 "UnsetEnvironment",
940 "PassEnvironment"))
941 return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE|EXTRACT_CUNESCAPE);
942
943 if (streq(field, "EnvironmentFile")) {
944 if (isempty(eq))
945 r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 0);
946 else
947 r = sd_bus_message_append(m, "(sv)", "EnvironmentFiles", "a(sb)", 1,
948 eq[0] == '-' ? eq + 1 : eq,
949 eq[0] == '-');
950 if (r < 0)
951 return bus_log_create_error(r);
952
953 return 1;
954 }
955
956 if (streq(field, "LogExtraFields")) {
957 r = sd_bus_message_open_container(m, 'r', "sv");
958 if (r < 0)
959 return bus_log_create_error(r);
960
961 r = sd_bus_message_append_basic(m, 's', "LogExtraFields");
962 if (r < 0)
963 return bus_log_create_error(r);
964
965 r = sd_bus_message_open_container(m, 'v', "aay");
966 if (r < 0)
967 return bus_log_create_error(r);
968
969 r = sd_bus_message_open_container(m, 'a', "ay");
970 if (r < 0)
971 return bus_log_create_error(r);
972
973 r = sd_bus_message_append_array(m, 'y', eq, strlen(eq));
974 if (r < 0)
975 return bus_log_create_error(r);
976
977 r = sd_bus_message_close_container(m);
978 if (r < 0)
979 return bus_log_create_error(r);
980
981 r = sd_bus_message_close_container(m);
982 if (r < 0)
983 return bus_log_create_error(r);
984
985 r = sd_bus_message_close_container(m);
986 if (r < 0)
987 return bus_log_create_error(r);
988
989 return 1;
990 }
991
992 if (STR_IN_SET(field, "StandardInput",
993 "StandardOutput",
994 "StandardError")) {
995 const char *n, *appended;
996
997 if ((n = startswith(eq, "fd:"))) {
998 appended = strjoina(field, "FileDescriptorName");
999 r = sd_bus_message_append(m, "(sv)", appended, "s", n);
1000 } else if ((n = startswith(eq, "file:"))) {
1001 appended = strjoina(field, "File");
1002 r = sd_bus_message_append(m, "(sv)", appended, "s", n);
1003 } else if ((n = startswith(eq, "append:"))) {
1004 appended = strjoina(field, "FileToAppend");
1005 r = sd_bus_message_append(m, "(sv)", appended, "s", n);
1006 } else
1007 r = sd_bus_message_append(m, "(sv)", field, "s", eq);
1008 if (r < 0)
1009 return bus_log_create_error(r);
1010
1011 return 1;
1012 }
1013
1014 if (streq(field, "StandardInputText")) {
1015 _cleanup_free_ char *unescaped = NULL;
1016
1017 r = cunescape(eq, 0, &unescaped);
1018 if (r < 0)
1019 return log_error_errno(r, "Failed to unescape text '%s': %m", eq);
1020
1021 if (!strextend(&unescaped, "\n", NULL))
1022 return log_oom();
1023
1024 /* Note that we don't expand specifiers here, but that should be OK, as this is a programmatic
1025 * interface anyway */
1026
1027 return bus_append_byte_array(m, field, unescaped, strlen(unescaped));
1028 }
1029
1030 if (streq(field, "StandardInputData")) {
1031 _cleanup_free_ void *decoded = NULL;
1032 size_t sz;
1033
1034 r = unbase64mem(eq, (size_t) -1, &decoded, &sz);
1035 if (r < 0)
1036 return log_error_errno(r, "Failed to decode base64 data '%s': %m", eq);
1037
1038 return bus_append_byte_array(m, field, decoded, sz);
1039 }
1040
1041 if ((suffix = startswith(field, "Limit"))) {
1042 int rl;
1043
1044 rl = rlimit_from_string(suffix);
1045 if (rl >= 0) {
1046 const char *sn;
1047 struct rlimit l;
1048
1049 r = rlimit_parse(rl, eq, &l);
1050 if (r < 0)
1051 return log_error_errno(r, "Failed to parse resource limit: %s", eq);
1052
1053 r = sd_bus_message_append(m, "(sv)", field, "t", l.rlim_max);
1054 if (r < 0)
1055 return bus_log_create_error(r);
1056
1057 sn = strjoina(field, "Soft");
1058 r = sd_bus_message_append(m, "(sv)", sn, "t", l.rlim_cur);
1059 if (r < 0)
1060 return bus_log_create_error(r);
1061
1062 return 1;
1063 }
1064 }
1065
1066 if (STR_IN_SET(field, "AppArmorProfile",
1067 "SmackProcessLabel")) {
1068 int ignore = 0;
1069 const char *s = eq;
1070
1071 if (eq[0] == '-') {
1072 ignore = 1;
1073 s = eq + 1;
1074 }
1075
1076 r = sd_bus_message_append(m, "(sv)", field, "(bs)", ignore, s);
1077 if (r < 0)
1078 return bus_log_create_error(r);
1079
1080 return 1;
1081 }
1082
1083 if (STR_IN_SET(field, "CapabilityBoundingSet",
1084 "AmbientCapabilities")) {
1085 uint64_t sum = 0;
1086 bool invert = false;
1087 const char *p = eq;
1088
1089 if (*p == '~') {
1090 invert = true;
1091 p++;
1092 }
1093
1094 r = capability_set_from_string(p, &sum);
1095 if (r < 0)
1096 return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq);
1097
1098 sum = invert ? ~sum : sum;
1099
1100 r = sd_bus_message_append(m, "(sv)", field, "t", sum);
1101 if (r < 0)
1102 return bus_log_create_error(r);
1103
1104 return 1;
1105 }
1106
1107 if (streq(field, "CPUAffinity")) {
1108 _cleanup_(cpu_set_reset) CPUSet cpuset = {};
1109 _cleanup_free_ uint8_t *array = NULL;
1110 size_t allocated;
1111
1112 if (eq && streq(eq, "numa")) {
1113 r = sd_bus_message_append(m, "(sv)", "CPUAffinityFromNUMA", "b", true);
1114 if (r < 0)
1115 return bus_log_create_error(r);
1116 return r;
1117 }
1118
1119 r = parse_cpu_set(eq, &cpuset);
1120 if (r < 0)
1121 return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
1122
1123 r = cpu_set_to_dbus(&cpuset, &array, &allocated);
1124 if (r < 0)
1125 return log_error_errno(r, "Failed to serialize CPUAffinity: %m");
1126
1127 return bus_append_byte_array(m, field, array, allocated);
1128 }
1129
1130 if (streq(field, "NUMAPolicy")) {
1131 r = mpol_from_string(eq);
1132 if (r < 0)
1133 return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
1134
1135 r = sd_bus_message_append(m, "(sv)", field, "i", (int32_t) r);
1136 if (r < 0)
1137 return bus_log_create_error(r);
1138
1139 return 1;
1140 }
1141
1142 if (streq(field, "NUMAMask")) {
1143 _cleanup_(cpu_set_reset) CPUSet nodes = {};
1144 _cleanup_free_ uint8_t *array = NULL;
1145 size_t allocated;
1146
1147 r = parse_cpu_set(eq, &nodes);
1148 if (r < 0)
1149 return log_error_errno(r, "Failed to parse %s value: %s", field, eq);
1150
1151 r = cpu_set_to_dbus(&nodes, &array, &allocated);
1152 if (r < 0)
1153 return log_error_errno(r, "Failed to serialize NUMAMask: %m");
1154
1155 return bus_append_byte_array(m, field, array, allocated);
1156 }
1157
1158 if (STR_IN_SET(field, "RestrictAddressFamilies",
1159 "SystemCallFilter")) {
1160 int whitelist = 1;
1161 const char *p = eq;
1162
1163 if (*p == '~') {
1164 whitelist = 0;
1165 p++;
1166 }
1167
1168 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
1169 if (r < 0)
1170 return bus_log_create_error(r);
1171
1172 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
1173 if (r < 0)
1174 return bus_log_create_error(r);
1175
1176 r = sd_bus_message_open_container(m, 'v', "(bas)");
1177 if (r < 0)
1178 return bus_log_create_error(r);
1179
1180 r = sd_bus_message_open_container(m, 'r', "bas");
1181 if (r < 0)
1182 return bus_log_create_error(r);
1183
1184 r = sd_bus_message_append_basic(m, 'b', &whitelist);
1185 if (r < 0)
1186 return bus_log_create_error(r);
1187
1188 r = sd_bus_message_open_container(m, 'a', "s");
1189 if (r < 0)
1190 return bus_log_create_error(r);
1191
1192 for (;;) {
1193 _cleanup_free_ char *word = NULL;
1194
1195 r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
1196 if (r == 0)
1197 break;
1198 if (r == -ENOMEM)
1199 return log_oom();
1200 if (r < 0)
1201 return log_error_errno(r, "Invalid syntax: %s", eq);
1202
1203 r = sd_bus_message_append_basic(m, 's', word);
1204 if (r < 0)
1205 return bus_log_create_error(r);
1206 }
1207
1208 r = sd_bus_message_close_container(m);
1209 if (r < 0)
1210 return bus_log_create_error(r);
1211
1212 r = sd_bus_message_close_container(m);
1213 if (r < 0)
1214 return bus_log_create_error(r);
1215
1216 r = sd_bus_message_close_container(m);
1217 if (r < 0)
1218 return bus_log_create_error(r);
1219
1220 r = sd_bus_message_close_container(m);
1221 if (r < 0)
1222 return bus_log_create_error(r);
1223
1224 return 1;
1225 }
1226
1227 if (streq(field, "RestrictNamespaces")) {
1228 bool invert = false;
1229 unsigned long flags;
1230
1231 r = parse_boolean(eq);
1232 if (r > 0)
1233 flags = 0;
1234 else if (r == 0)
1235 flags = NAMESPACE_FLAGS_ALL;
1236 else {
1237 if (eq[0] == '~') {
1238 invert = true;
1239 eq++;
1240 }
1241
1242 r = namespace_flags_from_string(eq, &flags);
1243 if (r < 0)
1244 return log_error_errno(r, "Failed to parse %s value %s.", field, eq);
1245 }
1246
1247 if (invert)
1248 flags = (~flags) & NAMESPACE_FLAGS_ALL;
1249
1250 r = sd_bus_message_append(m, "(sv)", field, "t", (uint64_t) flags);
1251 if (r < 0)
1252 return bus_log_create_error(r);
1253
1254 return 1;
1255 }
1256
1257 if (STR_IN_SET(field, "BindPaths",
1258 "BindReadOnlyPaths")) {
1259 const char *p = eq;
1260
1261 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
1262 if (r < 0)
1263 return bus_log_create_error(r);
1264
1265 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
1266 if (r < 0)
1267 return bus_log_create_error(r);
1268
1269 r = sd_bus_message_open_container(m, 'v', "a(ssbt)");
1270 if (r < 0)
1271 return bus_log_create_error(r);
1272
1273 r = sd_bus_message_open_container(m, 'a', "(ssbt)");
1274 if (r < 0)
1275 return bus_log_create_error(r);
1276
1277 for (;;) {
1278 _cleanup_free_ char *source = NULL, *destination = NULL;
1279 char *s = NULL, *d = NULL;
1280 bool ignore_enoent = false;
1281 uint64_t flags = MS_REC;
1282
1283 r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
1284 if (r < 0)
1285 return log_error_errno(r, "Failed to parse argument: %m");
1286 if (r == 0)
1287 break;
1288
1289 s = source;
1290 if (s[0] == '-') {
1291 ignore_enoent = true;
1292 s++;
1293 }
1294
1295 if (p && p[-1] == ':') {
1296 r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_UNQUOTE|EXTRACT_DONT_COALESCE_SEPARATORS);
1297 if (r < 0)
1298 return log_error_errno(r, "Failed to parse argument: %m");
1299 if (r == 0)
1300 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1301 "Missing argument after ':': %s",
1302 eq);
1303
1304 d = destination;
1305
1306 if (p && p[-1] == ':') {
1307 _cleanup_free_ char *options = NULL;
1308
1309 r = extract_first_word(&p, &options, NULL, EXTRACT_UNQUOTE);
1310 if (r < 0)
1311 return log_error_errno(r, "Failed to parse argument: %m");
1312
1313 if (isempty(options) || streq(options, "rbind"))
1314 flags = MS_REC;
1315 else if (streq(options, "norbind"))
1316 flags = 0;
1317 else
1318 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1319 "Unknown options: %s",
1320 eq);
1321 }
1322 } else
1323 d = s;
1324
1325 r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags);
1326 if (r < 0)
1327 return bus_log_create_error(r);
1328 }
1329
1330 r = sd_bus_message_close_container(m);
1331 if (r < 0)
1332 return bus_log_create_error(r);
1333
1334 r = sd_bus_message_close_container(m);
1335 if (r < 0)
1336 return bus_log_create_error(r);
1337
1338 r = sd_bus_message_close_container(m);
1339 if (r < 0)
1340 return bus_log_create_error(r);
1341
1342 return 1;
1343 }
1344
1345 if (streq(field, "TemporaryFileSystem")) {
1346 const char *p = eq;
1347
1348 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
1349 if (r < 0)
1350 return bus_log_create_error(r);
1351
1352 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
1353 if (r < 0)
1354 return bus_log_create_error(r);
1355
1356 r = sd_bus_message_open_container(m, 'v', "a(ss)");
1357 if (r < 0)
1358 return bus_log_create_error(r);
1359
1360 r = sd_bus_message_open_container(m, 'a', "(ss)");
1361 if (r < 0)
1362 return bus_log_create_error(r);
1363
1364 for (;;) {
1365 _cleanup_free_ char *word = NULL, *path = NULL;
1366 const char *w;
1367
1368 r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
1369 if (r < 0)
1370 return log_error_errno(r, "Failed to parse argument: %m");
1371 if (r == 0)
1372 break;
1373
1374 w = word;
1375 r = extract_first_word(&w, &path, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
1376 if (r < 0)
1377 return log_error_errno(r, "Failed to parse argument: %m");
1378 if (r == 0)
1379 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1380 "Failed to parse argument: %s",
1381 p);
1382
1383 r = sd_bus_message_append(m, "(ss)", path, w);
1384 if (r < 0)
1385 return bus_log_create_error(r);
1386 }
1387
1388 r = sd_bus_message_close_container(m);
1389 if (r < 0)
1390 return bus_log_create_error(r);
1391
1392 r = sd_bus_message_close_container(m);
1393 if (r < 0)
1394 return bus_log_create_error(r);
1395
1396 r = sd_bus_message_close_container(m);
1397 if (r < 0)
1398 return bus_log_create_error(r);
1399
1400 return 1;
1401 }
1402
1403 return 0;
1404 }
1405
1406 static int bus_append_kill_property(sd_bus_message *m, const char *field, const char *eq) {
1407 if (streq(field, "KillMode"))
1408 return bus_append_string(m, field, eq);
1409
1410 if (STR_IN_SET(field, "SendSIGHUP",
1411 "SendSIGKILL"))
1412 return bus_append_parse_boolean(m, field, eq);
1413
1414 if (STR_IN_SET(field, "KillSignal",
1415 "RestartKillSignal",
1416 "FinalKillSignal",
1417 "WatchdogSignal"))
1418 return bus_append_signal_from_string(m, field, eq);
1419
1420 return 0;
1421 }
1422
1423 static int bus_append_mount_property(sd_bus_message *m, const char *field, const char *eq) {
1424
1425 if (STR_IN_SET(field, "What",
1426 "Where",
1427 "Options",
1428 "Type"))
1429 return bus_append_string(m, field, eq);
1430
1431 if (streq(field, "TimeoutSec"))
1432 return bus_append_parse_sec_rename(m, field, eq);
1433
1434 if (streq(field, "DirectoryMode"))
1435 return bus_append_parse_mode(m, field, eq);
1436
1437 if (STR_IN_SET(field, "SloppyOptions",
1438 "LazyUnmount",
1439 "ForceUnmount",
1440 "ReadwriteOnly"))
1441 return bus_append_parse_boolean(m, field, eq);
1442
1443 return 0;
1444 }
1445
1446 static int bus_append_path_property(sd_bus_message *m, const char *field, const char *eq) {
1447 int r;
1448
1449 if (streq(field, "MakeDirectory"))
1450 return bus_append_parse_boolean(m, field, eq);
1451
1452 if (streq(field, "DirectoryMode"))
1453 return bus_append_parse_mode(m, field, eq);
1454
1455 if (STR_IN_SET(field, "PathExists",
1456 "PathExistsGlob",
1457 "PathChanged",
1458 "PathModified",
1459 "DirectoryNotEmpty")) {
1460 if (isempty(eq))
1461 r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 0);
1462 else
1463 r = sd_bus_message_append(m, "(sv)", "Paths", "a(ss)", 1, field, eq);
1464 if (r < 0)
1465 return bus_log_create_error(r);
1466
1467 return 1;
1468 }
1469
1470 return 0;
1471 }
1472
1473 static int bus_append_scope_property(sd_bus_message *m, const char *field, const char *eq) {
1474 if (streq(field, "RuntimeMaxSec"))
1475 return bus_append_parse_sec_rename(m, field, eq);
1476
1477 if (streq(field, "TimeoutStopSec"))
1478 return bus_append_parse_sec_rename(m, field, eq);
1479
1480 return 0;
1481 }
1482
1483 static int bus_append_service_property(sd_bus_message *m, const char *field, const char *eq) {
1484 int r;
1485
1486 if (STR_IN_SET(field, "PIDFile",
1487 "Type",
1488 "Restart",
1489 "BusName",
1490 "NotifyAccess",
1491 "USBFunctionDescriptors",
1492 "USBFunctionStrings",
1493 "OOMPolicy"))
1494 return bus_append_string(m, field, eq);
1495
1496 if (STR_IN_SET(field, "PermissionsStartOnly",
1497 "RootDirectoryStartOnly",
1498 "RemainAfterExit",
1499 "GuessMainPID"))
1500 return bus_append_parse_boolean(m, field, eq);
1501
1502 if (STR_IN_SET(field, "RestartSec",
1503 "TimeoutStartSec",
1504 "TimeoutStopSec",
1505 "TimeoutAbortSec",
1506 "RuntimeMaxSec",
1507 "WatchdogSec"))
1508 return bus_append_parse_sec_rename(m, field, eq);
1509
1510 if (streq(field, "TimeoutSec")) {
1511 r = bus_append_parse_sec_rename(m, "TimeoutStartSec", eq);
1512 if (r < 0)
1513 return r;
1514
1515 return bus_append_parse_sec_rename(m, "TimeoutStopSec", eq);
1516 }
1517
1518 if (streq(field, "FileDescriptorStoreMax"))
1519 return bus_append_safe_atou(m, field, eq);
1520
1521 if (STR_IN_SET(field, "ExecCondition",
1522 "ExecStartPre",
1523 "ExecStart",
1524 "ExecStartPost",
1525 "ExecConditionEx",
1526 "ExecStartPreEx",
1527 "ExecStartEx",
1528 "ExecStartPostEx",
1529 "ExecReload",
1530 "ExecStop",
1531 "ExecStopPost",
1532 "ExecReloadEx",
1533 "ExecStopEx",
1534 "ExecStopPostEx"))
1535 return bus_append_exec_command(m, field, eq);
1536
1537 if (STR_IN_SET(field, "RestartPreventExitStatus",
1538 "RestartForceExitStatus",
1539 "SuccessExitStatus")) {
1540 _cleanup_free_ int *status = NULL, *signal = NULL;
1541 size_t n_status = 0, n_signal = 0;
1542 const char *p;
1543
1544 for (p = eq;;) {
1545 _cleanup_free_ char *word = NULL;
1546
1547 r = extract_first_word(&p, &word, NULL, EXTRACT_UNQUOTE);
1548 if (r == 0)
1549 break;
1550 if (r == -ENOMEM)
1551 return log_oom();
1552 if (r < 0)
1553 return log_error_errno(r, "Invalid syntax in %s: %s", field, eq);
1554
1555 /* We need to call exit_status_from_string() first, because we want
1556 * to parse numbers as exit statuses, not signals. */
1557
1558 r = exit_status_from_string(word);
1559 if (r >= 0) {
1560 assert(r >= 0 && r < 256);
1561
1562 status = reallocarray(status, n_status + 1, sizeof(int));
1563 if (!status)
1564 return log_oom();
1565
1566 status[n_status++] = r;
1567
1568 } else if ((r = signal_from_string(word)) >= 0) {
1569 signal = reallocarray(signal, n_signal + 1, sizeof(int));
1570 if (!signal)
1571 return log_oom();
1572
1573 signal[n_signal++] = r;
1574
1575 } else
1576 /* original r from exit_status_to_string() */
1577 return log_error_errno(r, "Invalid status or signal %s in %s: %m",
1578 word, field);
1579 }
1580
1581 r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv");
1582 if (r < 0)
1583 return bus_log_create_error(r);
1584
1585 r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
1586 if (r < 0)
1587 return bus_log_create_error(r);
1588
1589 r = sd_bus_message_open_container(m, 'v', "(aiai)");
1590 if (r < 0)
1591 return bus_log_create_error(r);
1592
1593 r = sd_bus_message_open_container(m, 'r', "aiai");
1594 if (r < 0)
1595 return bus_log_create_error(r);
1596
1597 r = sd_bus_message_append_array(m, 'i', status, n_status * sizeof(int));
1598 if (r < 0)
1599 return bus_log_create_error(r);
1600
1601 r = sd_bus_message_append_array(m, 'i', signal, n_signal * sizeof(int));
1602 if (r < 0)
1603 return bus_log_create_error(r);
1604
1605 r = sd_bus_message_close_container(m);
1606 if (r < 0)
1607 return bus_log_create_error(r);
1608
1609 r = sd_bus_message_close_container(m);
1610 if (r < 0)
1611 return bus_log_create_error(r);
1612
1613 r = sd_bus_message_close_container(m);
1614 if (r < 0)
1615 return bus_log_create_error(r);
1616
1617 return 1;
1618 }
1619
1620 return 0;
1621 }
1622
1623 static int bus_append_socket_property(sd_bus_message *m, const char *field, const char *eq) {
1624 int r;
1625
1626 if (STR_IN_SET(field, "Accept",
1627 "Writable",
1628 "KeepAlive",
1629 "NoDelay",
1630 "FreeBind",
1631 "Transparent",
1632 "Broadcast",
1633 "PassCredentials",
1634 "PassSecurity",
1635 "ReusePort",
1636 "RemoveOnStop",
1637 "SELinuxContextFromNet"))
1638 return bus_append_parse_boolean(m, field, eq);
1639
1640 if (STR_IN_SET(field, "Priority",
1641 "IPTTL",
1642 "Mark"))
1643 return bus_append_safe_atoi(m, field, eq);
1644
1645 if (streq(field, "IPTOS"))
1646 return bus_append_ip_tos_from_string(m, field, eq);
1647
1648 if (STR_IN_SET(field, "Backlog",
1649 "MaxConnections",
1650 "MaxConnectionsPerSource",
1651 "KeepAliveProbes",
1652 "TriggerLimitBurst"))
1653 return bus_append_safe_atou(m, field, eq);
1654
1655 if (STR_IN_SET(field, "SocketMode",
1656 "DirectoryMode"))
1657 return bus_append_parse_mode(m, field, eq);
1658
1659 if (STR_IN_SET(field, "MessageQueueMaxMessages",
1660 "MessageQueueMessageSize"))
1661 return bus_append_safe_atoi64(m, field, eq);
1662
1663 if (STR_IN_SET(field, "TimeoutSec",
1664 "KeepAliveTimeSec",
1665 "KeepAliveIntervalSec",
1666 "DeferAcceptSec",
1667 "TriggerLimitIntervalSec"))
1668 return bus_append_parse_sec_rename(m, field, eq);
1669
1670 if (STR_IN_SET(field, "ReceiveBuffer",
1671 "SendBuffer",
1672 "PipeSize"))
1673 return bus_append_parse_size(m, field, eq, 1024);
1674
1675 if (STR_IN_SET(field, "ExecStartPre",
1676 "ExecStartPost",
1677 "ExecReload",
1678 "ExecStopPost"))
1679 return bus_append_exec_command(m, field, eq);
1680
1681 if (STR_IN_SET(field, "SmackLabel",
1682 "SmackLabelIPIn",
1683 "SmackLabelIPOut",
1684 "TCPCongestion",
1685 "BindToDevice",
1686 "BindIPv6Only",
1687 "FileDescriptorName",
1688 "SocketUser",
1689 "SocketGroup"))
1690 return bus_append_string(m, field, eq);
1691
1692 if (streq(field, "Symlinks"))
1693 return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
1694
1695 if (streq(field, "SocketProtocol"))
1696 return bus_append_parse_ip_protocol(m, field, eq);
1697
1698 if (STR_IN_SET(field, "ListenStream",
1699 "ListenDatagram",
1700 "ListenSequentialPacket",
1701 "ListenNetlink",
1702 "ListenSpecial",
1703 "ListenMessageQueue",
1704 "ListenFIFO",
1705 "ListenUSBFunction")) {
1706 if (isempty(eq))
1707 r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 0);
1708 else
1709 r = sd_bus_message_append(m, "(sv)", "Listen", "a(ss)", 1, field + STRLEN("Listen"), eq);
1710 if (r < 0)
1711 return bus_log_create_error(r);
1712
1713 return 1;
1714 }
1715
1716 return 0;
1717 }
1718 static int bus_append_timer_property(sd_bus_message *m, const char *field, const char *eq) {
1719 int r;
1720
1721 if (STR_IN_SET(field, "WakeSystem",
1722 "RemainAfterElapse",
1723 "Persistent",
1724 "OnTimezoneChange",
1725 "OnClockChange"))
1726 return bus_append_parse_boolean(m, field, eq);
1727
1728 if (STR_IN_SET(field, "AccuracySec",
1729 "RandomizedDelaySec"))
1730 return bus_append_parse_sec_rename(m, field, eq);
1731
1732 if (STR_IN_SET(field, "OnActiveSec",
1733 "OnBootSec",
1734 "OnStartupSec",
1735 "OnUnitActiveSec",
1736 "OnUnitInactiveSec")) {
1737 if (isempty(eq))
1738 r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 0);
1739 else {
1740 usec_t t;
1741 r = parse_sec(eq, &t);
1742 if (r < 0)
1743 return log_error_errno(r, "Failed to parse %s=%s: %m", field, eq);
1744
1745 r = sd_bus_message_append(m, "(sv)", "TimersMonotonic", "a(st)", 1, field, t);
1746 }
1747 if (r < 0)
1748 return bus_log_create_error(r);
1749
1750 return 1;
1751 }
1752
1753 if (streq(field, "OnCalendar")) {
1754 if (isempty(eq))
1755 r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 0);
1756 else
1757 r = sd_bus_message_append(m, "(sv)", "TimersCalendar", "a(ss)", 1, field, eq);
1758 if (r < 0)
1759 return bus_log_create_error(r);
1760
1761 return 1;
1762 }
1763
1764 return 0;
1765 }
1766
1767 static int bus_append_unit_property(sd_bus_message *m, const char *field, const char *eq) {
1768 ConditionType t = _CONDITION_TYPE_INVALID;
1769 bool is_condition = false;
1770 int r;
1771
1772 if (STR_IN_SET(field, "Description",
1773 "SourcePath",
1774 "OnFailureJobMode",
1775 "JobTimeoutAction",
1776 "JobTimeoutRebootArgument",
1777 "StartLimitAction",
1778 "FailureAction",
1779 "SuccessAction",
1780 "RebootArgument",
1781 "CollectMode"))
1782 return bus_append_string(m, field, eq);
1783
1784 if (STR_IN_SET(field, "StopWhenUnneeded",
1785 "RefuseManualStart",
1786 "RefuseManualStop",
1787 "AllowIsolate",
1788 "IgnoreOnIsolate",
1789 "DefaultDependencies"))
1790 return bus_append_parse_boolean(m, field, eq);
1791
1792 if (STR_IN_SET(field, "JobTimeoutSec",
1793 "JobRunningTimeoutSec",
1794 "StartLimitIntervalSec"))
1795 return bus_append_parse_sec_rename(m, field, eq);
1796
1797 if (streq(field, "StartLimitBurst"))
1798 return bus_append_safe_atou(m, field, eq);
1799
1800 if (STR_IN_SET(field, "SuccessActionExitStatus",
1801 "FailureActionExitStatus")) {
1802 if (isempty(eq))
1803 r = sd_bus_message_append(m, "(sv)", field, "i", -1);
1804 else {
1805 uint8_t u;
1806
1807 r = safe_atou8(eq, &u);
1808 if (r < 0)
1809 return log_error_errno(r, "Failed to parse %s=%s", field, eq);
1810
1811 r = sd_bus_message_append(m, "(sv)", field, "i", (int) u);
1812 }
1813 if (r < 0)
1814 return bus_log_create_error(r);
1815
1816 return 1;
1817 }
1818
1819 if (unit_dependency_from_string(field) >= 0 ||
1820 STR_IN_SET(field, "Documentation",
1821 "RequiresMountsFor"))
1822 return bus_append_strv(m, field, eq, EXTRACT_UNQUOTE);
1823
1824 t = condition_type_from_string(field);
1825 if (t >= 0)
1826 is_condition = true;
1827 else
1828 t = assert_type_from_string(field);
1829 if (t >= 0) {
1830 if (isempty(eq))
1831 r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 0);
1832 else {
1833 const char *p = eq;
1834 int trigger, negate;
1835
1836 trigger = *p == '|';
1837 if (trigger)
1838 p++;
1839
1840 negate = *p == '!';
1841 if (negate)
1842 p++;
1843
1844 r = sd_bus_message_append(m, "(sv)", is_condition ? "Conditions" : "Asserts", "a(sbbs)", 1,
1845 field, trigger, negate, p);
1846 }
1847 if (r < 0)
1848 return bus_log_create_error(r);
1849
1850 return 1;
1851 }
1852
1853 return 0;
1854 }
1855
1856 int bus_append_unit_property_assignment(sd_bus_message *m, UnitType t, const char *assignment) {
1857 const char *eq, *field;
1858 int r;
1859
1860 assert(m);
1861 assert(assignment);
1862
1863 eq = strchr(assignment, '=');
1864 if (!eq)
1865 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1866 "Not an assignment: %s", assignment);
1867
1868 field = strndupa(assignment, eq - assignment);
1869 eq++;
1870
1871 switch (t) {
1872 case UNIT_SERVICE:
1873 r = bus_append_cgroup_property(m, field, eq);
1874 if (r != 0)
1875 return r;
1876
1877 r = bus_append_execute_property(m, field, eq);
1878 if (r != 0)
1879 return r;
1880
1881 r = bus_append_kill_property(m, field, eq);
1882 if (r != 0)
1883 return r;
1884
1885 r = bus_append_service_property(m, field, eq);
1886 if (r != 0)
1887 return r;
1888 break;
1889
1890 case UNIT_SOCKET:
1891 r = bus_append_cgroup_property(m, field, eq);
1892 if (r != 0)
1893 return r;
1894
1895 r = bus_append_execute_property(m, field, eq);
1896 if (r != 0)
1897 return r;
1898
1899 r = bus_append_kill_property(m, field, eq);
1900 if (r != 0)
1901 return r;
1902
1903 r = bus_append_socket_property(m, field, eq);
1904 if (r != 0)
1905 return r;
1906 break;
1907
1908 case UNIT_TIMER:
1909 r = bus_append_timer_property(m, field, eq);
1910 if (r != 0)
1911 return r;
1912 break;
1913
1914 case UNIT_PATH:
1915 r = bus_append_path_property(m, field, eq);
1916 if (r != 0)
1917 return r;
1918 break;
1919
1920 case UNIT_SLICE:
1921 r = bus_append_cgroup_property(m, field, eq);
1922 if (r != 0)
1923 return r;
1924 break;
1925
1926 case UNIT_SCOPE:
1927 r = bus_append_cgroup_property(m, field, eq);
1928 if (r != 0)
1929 return r;
1930
1931 r = bus_append_kill_property(m, field, eq);
1932 if (r != 0)
1933 return r;
1934
1935 r = bus_append_scope_property(m, field, eq);
1936 if (r != 0)
1937 return r;
1938 break;
1939
1940 case UNIT_MOUNT:
1941 r = bus_append_cgroup_property(m, field, eq);
1942 if (r != 0)
1943 return r;
1944
1945 r = bus_append_execute_property(m, field, eq);
1946 if (r != 0)
1947 return r;
1948
1949 r = bus_append_kill_property(m, field, eq);
1950 if (r != 0)
1951 return r;
1952
1953 r = bus_append_mount_property(m, field, eq);
1954 if (r != 0)
1955 return r;
1956
1957 break;
1958
1959 case UNIT_AUTOMOUNT:
1960 r = bus_append_automount_property(m, field, eq);
1961 if (r != 0)
1962 return r;
1963
1964 break;
1965
1966 case UNIT_TARGET:
1967 case UNIT_DEVICE:
1968 case UNIT_SWAP:
1969 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1970 "Not supported unit type");
1971
1972 default:
1973 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1974 "Invalid unit type");
1975 }
1976
1977 r = bus_append_unit_property(m, field, eq);
1978 if (r != 0)
1979 return r;
1980
1981 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1982 "Unknown assignment: %s", assignment);
1983 }
1984
1985 int bus_append_unit_property_assignment_many(sd_bus_message *m, UnitType t, char **l) {
1986 char **i;
1987 int r;
1988
1989 assert(m);
1990
1991 STRV_FOREACH(i, l) {
1992 r = bus_append_unit_property_assignment(m, t, *i);
1993 if (r < 0)
1994 return r;
1995 }
1996
1997 return 0;
1998 }
1999
2000 int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, size_t *n_changes) {
2001 const char *type, *path, *source;
2002 int r;
2003
2004 /* changes is dereferenced when calling unit_file_dump_changes() later,
2005 * so we have to make sure this is not NULL. */
2006 assert(changes);
2007 assert(n_changes);
2008
2009 r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)");
2010 if (r < 0)
2011 return bus_log_parse_error(r);
2012
2013 while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) {
2014 /* We expect only "success" changes to be sent over the bus.
2015 Hence, reject anything negative. */
2016 UnitFileChangeType ch = unit_file_change_type_from_string(type);
2017
2018 if (ch < 0) {
2019 log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path);
2020 continue;
2021 }
2022
2023 r = unit_file_changes_add(changes, n_changes, ch, path, source);
2024 if (r < 0)
2025 return r;
2026 }
2027 if (r < 0)
2028 return bus_log_parse_error(r);
2029
2030 r = sd_bus_message_exit_container(m);
2031 if (r < 0)
2032 return bus_log_parse_error(r);
2033
2034 unit_file_dump_changes(0, NULL, *changes, *n_changes, quiet);
2035 return 0;
2036 }
2037
2038 int unit_load_state(sd_bus *bus, const char *name, char **load_state) {
2039 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2040 _cleanup_free_ char *path = NULL;
2041 int r;
2042
2043 path = unit_dbus_path_from_name(name);
2044 if (!path)
2045 return log_oom();
2046
2047 /* This function warns on it's own, because otherwise it'd be awkward to pass
2048 * the dbus error message around. */
2049
2050 r = sd_bus_get_property_string(
2051 bus,
2052 "org.freedesktop.systemd1",
2053 path,
2054 "org.freedesktop.systemd1.Unit",
2055 "LoadState",
2056 &error,
2057 load_state);
2058 if (r < 0)
2059 return log_error_errno(r, "Failed to get load state of %s: %s", name, bus_error_message(&error, r));
2060
2061 return 0;
2062 }
Unnamed repository; edit this file 'description' to name the repository.