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Commit | Line | Data |
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291d565a LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2016 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 | ||
20 | #include "alloc-util.h" | |
21 | #include "bus-internal.h" | |
22 | #include "bus-unit-util.h" | |
23 | #include "bus-util.h" | |
cffaed83 | 24 | #include "cap-list.h" |
291d565a | 25 | #include "cgroup-util.h" |
cffaed83 | 26 | #include "cpu-set-util.h" |
291d565a | 27 | #include "env-util.h" |
cffaed83 | 28 | #include "errno-list.h" |
291d565a LP |
29 | #include "escape.h" |
30 | #include "hashmap.h" | |
31 | #include "list.h" | |
32 | #include "locale-util.h" | |
83555251 | 33 | #include "mount-util.h" |
add00535 | 34 | #include "nsflags.h" |
291d565a LP |
35 | #include "parse-util.h" |
36 | #include "path-util.h" | |
37 | #include "process-util.h" | |
38 | #include "rlimit-util.h" | |
cffaed83 | 39 | #include "securebits-util.h" |
291d565a LP |
40 | #include "signal-util.h" |
41 | #include "string-util.h" | |
42 | #include "syslog-util.h" | |
43 | #include "terminal-util.h" | |
cffaed83 | 44 | #include "user-util.h" |
291d565a LP |
45 | #include "utf8.h" |
46 | #include "util.h" | |
47 | ||
20b16441 LP |
48 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) { |
49 | assert(message); | |
50 | assert(u); | |
51 | ||
52 | u->machine = NULL; | |
53 | ||
54 | return sd_bus_message_read( | |
55 | message, | |
56 | "(ssssssouso)", | |
57 | &u->id, | |
58 | &u->description, | |
59 | &u->load_state, | |
60 | &u->active_state, | |
61 | &u->sub_state, | |
62 | &u->following, | |
63 | &u->unit_path, | |
64 | &u->job_id, | |
65 | &u->job_type, | |
66 | &u->job_path); | |
67 | } | |
68 | ||
69 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) { | |
70 | const char *eq, *field; | |
289188ca | 71 | UnitDependency dep; |
20b16441 LP |
72 | int r, rl; |
73 | ||
74 | assert(m); | |
75 | assert(assignment); | |
76 | ||
77 | eq = strchr(assignment, '='); | |
78 | if (!eq) { | |
79 | log_error("Not an assignment: %s", assignment); | |
80 | return -EINVAL; | |
81 | } | |
82 | ||
83 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
84 | if (r < 0) | |
85 | return bus_log_create_error(r); | |
86 | ||
87 | field = strndupa(assignment, eq - assignment); | |
88 | eq++; | |
89 | ||
90 | if (streq(field, "CPUQuota")) { | |
91 | ||
92 | if (isempty(eq)) | |
93 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", USEC_INFINITY); | |
9184ca48 | 94 | else { |
5124866d | 95 | r = parse_percent_unbounded(eq); |
9184ca48 LP |
96 | if (r <= 0) { |
97 | log_error_errno(r, "CPU quota '%s' invalid.", eq); | |
20b16441 LP |
98 | return -EINVAL; |
99 | } | |
100 | ||
9184ca48 | 101 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", (usec_t) r * USEC_PER_SEC / 100U); |
20b16441 LP |
102 | } |
103 | ||
104 | goto finish; | |
105 | ||
106 | } else if (streq(field, "EnvironmentFile")) { | |
107 | ||
108 | r = sd_bus_message_append(m, "sv", "EnvironmentFiles", "a(sb)", 1, | |
109 | eq[0] == '-' ? eq + 1 : eq, | |
110 | eq[0] == '-'); | |
111 | goto finish; | |
112 | ||
113 | } else if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec", "RuntimeMaxSec")) { | |
114 | char *n; | |
115 | usec_t t; | |
116 | size_t l; | |
9184ca48 | 117 | |
20b16441 LP |
118 | r = parse_sec(eq, &t); |
119 | if (r < 0) | |
120 | return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq); | |
121 | ||
122 | l = strlen(field); | |
123 | n = newa(char, l + 2); | |
124 | if (!n) | |
125 | return log_oom(); | |
126 | ||
127 | /* Change suffix Sec → USec */ | |
128 | strcpy(mempcpy(n, field, l - 3), "USec"); | |
129 | r = sd_bus_message_append(m, "sv", n, "t", t); | |
130 | goto finish; | |
d58d600e LP |
131 | |
132 | } else if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemoryLimit")) { | |
133 | uint64_t bytes; | |
134 | ||
135 | if (isempty(eq) || streq(eq, "infinity")) | |
136 | bytes = CGROUP_LIMIT_MAX; | |
137 | else { | |
138 | r = parse_percent(eq); | |
139 | if (r >= 0) { | |
140 | char *n; | |
141 | ||
142 | /* When this is a percentage we'll convert this into a relative value in the range | |
f7903e8d | 143 | * 0…UINT32_MAX and pass it in the MemoryLowScale property (and related |
d58d600e LP |
144 | * ones). This way the physical memory size can be determined server-side */ |
145 | ||
f7903e8d | 146 | n = strjoina(field, "Scale"); |
d58d600e LP |
147 | r = sd_bus_message_append(m, "sv", n, "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); |
148 | goto finish; | |
149 | ||
150 | } else { | |
151 | r = parse_size(eq, 1024, &bytes); | |
152 | if (r < 0) | |
153 | return log_error_errno(r, "Failed to parse bytes specification %s", assignment); | |
154 | } | |
155 | } | |
156 | ||
157 | r = sd_bus_message_append(m, "sv", field, "t", bytes); | |
158 | goto finish; | |
83f8e808 LP |
159 | } else if (streq(field, "TasksMax")) { |
160 | uint64_t t; | |
161 | ||
162 | if (isempty(eq) || streq(eq, "infinity")) | |
163 | t = (uint64_t) -1; | |
164 | else { | |
165 | r = parse_percent(eq); | |
166 | if (r >= 0) { | |
167 | r = sd_bus_message_append(m, "sv", "TasksMaxScale", "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); | |
168 | goto finish; | |
169 | } else { | |
170 | r = safe_atou64(eq, &t); | |
171 | if (r < 0) | |
172 | return log_error_errno(r, "Failed to parse maximum tasks specification %s", assignment); | |
173 | } | |
174 | ||
175 | } | |
176 | ||
177 | r = sd_bus_message_append(m, "sv", "TasksMax", "t", t); | |
178 | goto finish; | |
20b16441 LP |
179 | } |
180 | ||
181 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); | |
182 | if (r < 0) | |
183 | return bus_log_create_error(r); | |
184 | ||
185 | rl = rlimit_from_string(field); | |
186 | if (rl >= 0) { | |
187 | const char *sn; | |
188 | struct rlimit l; | |
189 | ||
190 | r = rlimit_parse(rl, eq, &l); | |
191 | if (r < 0) | |
192 | return log_error_errno(r, "Failed to parse resource limit: %s", eq); | |
193 | ||
194 | r = sd_bus_message_append(m, "v", "t", l.rlim_max); | |
195 | if (r < 0) | |
196 | return bus_log_create_error(r); | |
197 | ||
198 | r = sd_bus_message_close_container(m); | |
199 | if (r < 0) | |
200 | return bus_log_create_error(r); | |
201 | ||
202 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
203 | if (r < 0) | |
204 | return bus_log_create_error(r); | |
205 | ||
206 | sn = strjoina(field, "Soft"); | |
207 | r = sd_bus_message_append(m, "sv", sn, "t", l.rlim_cur); | |
208 | ||
209 | } else if (STR_IN_SET(field, | |
29206d46 LP |
210 | "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting", "TasksAccounting", |
211 | "SendSIGHUP", "SendSIGKILL", "WakeSystem", "DefaultDependencies", | |
cffaed83 | 212 | "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate", "RemainAfterExit", |
d251207d | 213 | "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers", "NoNewPrivileges", |
29206d46 | 214 | "SyslogLevelPrefix", "Delegate", "RemainAfterElapse", "MemoryDenyWriteExecute", |
502d704e | 215 | "RestrictRealtime", "DynamicUser", "RemoveIPC", "ProtectKernelTunables", |
cffaed83 | 216 | "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS", |
3167f78a | 217 | "CPUSchedulingResetOnFork", "LockPersonality")) { |
20b16441 LP |
218 | |
219 | r = parse_boolean(eq); | |
220 | if (r < 0) | |
221 | return log_error_errno(r, "Failed to parse boolean assignment %s.", assignment); | |
222 | ||
223 | r = sd_bus_message_append(m, "v", "b", r); | |
224 | ||
66ebf6c0 TH |
225 | } else if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight")) { |
226 | uint64_t u; | |
227 | ||
228 | r = cg_weight_parse(eq, &u); | |
229 | if (r < 0) { | |
230 | log_error("Failed to parse %s value %s.", field, eq); | |
231 | return -EINVAL; | |
232 | } | |
233 | ||
234 | r = sd_bus_message_append(m, "v", "t", u); | |
235 | ||
20b16441 LP |
236 | } else if (STR_IN_SET(field, "CPUShares", "StartupCPUShares")) { |
237 | uint64_t u; | |
238 | ||
239 | r = cg_cpu_shares_parse(eq, &u); | |
240 | if (r < 0) { | |
241 | log_error("Failed to parse %s value %s.", field, eq); | |
242 | return -EINVAL; | |
243 | } | |
244 | ||
245 | r = sd_bus_message_append(m, "v", "t", u); | |
246 | ||
13c31542 TH |
247 | } else if (STR_IN_SET(field, "IOWeight", "StartupIOWeight")) { |
248 | uint64_t u; | |
249 | ||
250 | r = cg_weight_parse(eq, &u); | |
251 | if (r < 0) { | |
252 | log_error("Failed to parse %s value %s.", field, eq); | |
253 | return -EINVAL; | |
254 | } | |
255 | ||
256 | r = sd_bus_message_append(m, "v", "t", u); | |
257 | ||
20b16441 LP |
258 | } else if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight")) { |
259 | uint64_t u; | |
260 | ||
3fdf9ad7 | 261 | r = cg_blkio_weight_parse(eq, &u); |
20b16441 LP |
262 | if (r < 0) { |
263 | log_error("Failed to parse %s value %s.", field, eq); | |
264 | return -EINVAL; | |
265 | } | |
266 | ||
267 | r = sd_bus_message_append(m, "v", "t", u); | |
268 | ||
269 | } else if (STR_IN_SET(field, | |
270 | "User", "Group", "DevicePolicy", "KillMode", | |
271 | "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath", | |
272 | "StandardInput", "StandardOutput", "StandardError", | |
273 | "Description", "Slice", "Type", "WorkingDirectory", | |
274 | "RootDirectory", "SyslogIdentifier", "ProtectSystem", | |
9efb9df9 | 275 | "ProtectHome", "SELinuxContext", "Restart", "RootImage", |
cffaed83 | 276 | "NotifyAccess", "RuntimeDirectoryPreserve", "Personality")) |
20b16441 LP |
277 | r = sd_bus_message_append(m, "v", "s", eq); |
278 | ||
cffaed83 YW |
279 | else if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) { |
280 | bool ignore; | |
281 | const char *s; | |
282 | ||
283 | if (eq[0] == '-') { | |
284 | ignore = true; | |
285 | s = eq + 1; | |
286 | } else { | |
287 | ignore = false; | |
288 | s = eq; | |
289 | } | |
290 | ||
291 | r = sd_bus_message_append(m, "v", "(bs)", ignore, s); | |
292 | ||
293 | } else if (streq(field, "SyslogLevel")) { | |
20b16441 LP |
294 | int level; |
295 | ||
296 | level = log_level_from_string(eq); | |
297 | if (level < 0) { | |
298 | log_error("Failed to parse %s value %s.", field, eq); | |
299 | return -EINVAL; | |
300 | } | |
301 | ||
302 | r = sd_bus_message_append(m, "v", "i", level); | |
303 | ||
304 | } else if (streq(field, "SyslogFacility")) { | |
305 | int facility; | |
306 | ||
307 | facility = log_facility_unshifted_from_string(eq); | |
308 | if (facility < 0) { | |
309 | log_error("Failed to parse %s value %s.", field, eq); | |
310 | return -EINVAL; | |
311 | } | |
312 | ||
313 | r = sd_bus_message_append(m, "v", "i", facility); | |
314 | ||
cffaed83 YW |
315 | } else if (streq(field, "SecureBits")) { |
316 | ||
317 | r = secure_bits_from_string(eq); | |
318 | if (r < 0) { | |
319 | log_error("Failed to parse %s value %s.", field, eq); | |
320 | return -EINVAL; | |
321 | } | |
322 | ||
323 | r = sd_bus_message_append(m, "v", "i", r); | |
324 | ||
325 | } else if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) { | |
326 | uint64_t sum = 0; | |
327 | bool invert = false; | |
328 | const char *p; | |
329 | ||
330 | p = eq; | |
331 | if (*p == '~') { | |
332 | invert = true; | |
333 | p++; | |
334 | } | |
335 | ||
336 | r = capability_set_from_string(p, &sum); | |
337 | if (r < 0) { | |
338 | log_error("Failed to parse %s value %s.", field, eq); | |
339 | return -EINVAL; | |
340 | } | |
341 | ||
342 | sum = invert ? ~sum : sum; | |
343 | ||
344 | r = sd_bus_message_append(m, "v", "t", sum); | |
345 | ||
20b16441 LP |
346 | } else if (streq(field, "DeviceAllow")) { |
347 | ||
348 | if (isempty(eq)) | |
349 | r = sd_bus_message_append(m, "v", "a(ss)", 0); | |
350 | else { | |
351 | const char *path, *rwm, *e; | |
352 | ||
353 | e = strchr(eq, ' '); | |
354 | if (e) { | |
355 | path = strndupa(eq, e - eq); | |
356 | rwm = e+1; | |
357 | } else { | |
358 | path = eq; | |
359 | rwm = ""; | |
360 | } | |
361 | ||
3ccb8862 | 362 | if (!is_deviceallow_pattern(path)) { |
20b16441 LP |
363 | log_error("%s is not a device file in /dev.", path); |
364 | return -EINVAL; | |
365 | } | |
366 | ||
367 | r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); | |
368 | } | |
369 | ||
9be57249 | 370 | } else if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) { |
20b16441 LP |
371 | |
372 | if (isempty(eq)) | |
373 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
374 | else { | |
375 | const char *path, *bandwidth, *e; | |
376 | uint64_t bytes; | |
377 | ||
378 | e = strchr(eq, ' '); | |
379 | if (e) { | |
380 | path = strndupa(eq, e - eq); | |
381 | bandwidth = e+1; | |
382 | } else { | |
383 | log_error("Failed to parse %s value %s.", field, eq); | |
384 | return -EINVAL; | |
385 | } | |
386 | ||
387 | if (!path_startswith(path, "/dev")) { | |
388 | log_error("%s is not a device file in /dev.", path); | |
389 | return -EINVAL; | |
390 | } | |
391 | ||
e57c9ce1 | 392 | if (streq(bandwidth, "infinity")) { |
13c31542 TH |
393 | bytes = CGROUP_LIMIT_MAX; |
394 | } else { | |
395 | r = parse_size(bandwidth, 1000, &bytes); | |
396 | if (r < 0) { | |
397 | log_error("Failed to parse byte value %s.", bandwidth); | |
398 | return -EINVAL; | |
399 | } | |
20b16441 LP |
400 | } |
401 | ||
402 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, bytes); | |
403 | } | |
404 | ||
13c31542 | 405 | } else if (STR_IN_SET(field, "IODeviceWeight", "BlockIODeviceWeight")) { |
20b16441 LP |
406 | |
407 | if (isempty(eq)) | |
408 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
409 | else { | |
410 | const char *path, *weight, *e; | |
411 | uint64_t u; | |
412 | ||
413 | e = strchr(eq, ' '); | |
414 | if (e) { | |
415 | path = strndupa(eq, e - eq); | |
416 | weight = e+1; | |
417 | } else { | |
418 | log_error("Failed to parse %s value %s.", field, eq); | |
419 | return -EINVAL; | |
420 | } | |
421 | ||
422 | if (!path_startswith(path, "/dev")) { | |
423 | log_error("%s is not a device file in /dev.", path); | |
424 | return -EINVAL; | |
425 | } | |
426 | ||
427 | r = safe_atou64(weight, &u); | |
428 | if (r < 0) { | |
429 | log_error("Failed to parse %s value %s.", field, weight); | |
430 | return -EINVAL; | |
431 | } | |
096a4d53 | 432 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, u); |
20b16441 LP |
433 | } |
434 | ||
cffaed83 YW |
435 | } else if (streq(field, "CPUSchedulingPolicy")) { |
436 | int n; | |
437 | ||
438 | n = sched_policy_from_string(eq); | |
439 | if (n < 0) | |
440 | return log_error_errno(r, "Failed to parse CPUSchedulingPolicy: %s", eq); | |
441 | ||
442 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
443 | ||
444 | } else if (streq(field, "CPUSchedulingPriority")) { | |
445 | int n; | |
446 | ||
447 | r = safe_atoi(eq, &n); | |
448 | if (r < 0) | |
449 | return log_error_errno(r, "Failed to parse CPUSchedulingPriority: %s", eq); | |
450 | if (!sched_priority_is_valid(n)) | |
451 | return log_error_errno(r, "Invalid CPUSchedulingPriority: %s", eq); | |
452 | ||
453 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
454 | ||
455 | } else if (streq(field, "CPUAffinity")) { | |
456 | _cleanup_cpu_free_ cpu_set_t *cpuset = NULL; | |
457 | int ncpus; | |
458 | ||
459 | ncpus = parse_cpu_set(eq, &cpuset); | |
460 | if (ncpus < 0) | |
461 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
462 | ||
463 | r = sd_bus_message_open_container(m, 'v', "ay"); | |
464 | if (r < 0) | |
465 | return bus_log_create_error(r); | |
466 | ||
467 | if (cpuset) | |
468 | sd_bus_message_append_array(m, 'y', cpuset, CPU_ALLOC_SIZE(ncpus)); | |
469 | ||
470 | r = sd_bus_message_close_container(m); | |
471 | ||
20b16441 | 472 | } else if (streq(field, "Nice")) { |
41bf0590 | 473 | int n; |
20b16441 | 474 | |
41bf0590 LP |
475 | r = parse_nice(eq, &n); |
476 | if (r < 0) | |
477 | return log_error_errno(r, "Failed to parse nice value: %s", eq); | |
20b16441 | 478 | |
41bf0590 | 479 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); |
20b16441 | 480 | |
cffaed83 YW |
481 | #ifdef HAVE_SECCOMP |
482 | ||
483 | } else if (streq(field, "SystemCallFilter")) { | |
484 | int whitelist; | |
485 | const char *p; | |
486 | ||
487 | r = sd_bus_message_open_container(m, 'v', "bas"); | |
488 | if (r < 0) | |
489 | return bus_log_create_error(r); | |
490 | ||
491 | p = eq; | |
492 | if (*p == '~') { | |
493 | whitelist = 0; | |
494 | p++; | |
495 | } else | |
496 | whitelist = 1; | |
497 | ||
498 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
499 | if (r < 0) | |
500 | return bus_log_create_error(r); | |
501 | ||
502 | r = sd_bus_message_open_container(m, 'a', "s"); | |
503 | if (r < 0) | |
504 | return bus_log_create_error(r); | |
505 | ||
506 | if (whitelist != 0) { | |
507 | r = sd_bus_message_append_basic(m, 's', "@default"); | |
508 | if (r < 0) | |
509 | return bus_log_create_error(r); | |
510 | } | |
511 | ||
512 | for (;;) { | |
513 | _cleanup_free_ char *word = NULL; | |
514 | ||
515 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
516 | if (r < 0) | |
517 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
518 | if (r == 0) | |
519 | break; | |
520 | ||
521 | r = sd_bus_message_append_basic(m, 's', word); | |
522 | if (r < 0) | |
523 | return bus_log_create_error(r); | |
524 | } | |
525 | ||
526 | r = sd_bus_message_close_container(m); | |
527 | if (r < 0) | |
528 | return bus_log_create_error(r); | |
529 | ||
530 | r = sd_bus_message_close_container(m); | |
531 | ||
532 | } else if (streq(field, "SystemCallArchitectures")) { | |
533 | const char *p; | |
534 | ||
535 | r = sd_bus_message_open_container(m, 'v', "as"); | |
536 | if (r < 0) | |
537 | return bus_log_create_error(r); | |
538 | ||
539 | r = sd_bus_message_open_container(m, 'a', "s"); | |
540 | if (r < 0) | |
541 | return bus_log_create_error(r); | |
542 | ||
543 | for (p = eq;;) { | |
544 | _cleanup_free_ char *word = NULL; | |
545 | ||
546 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
547 | if (r < 0) | |
548 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
549 | if (r == 0) | |
550 | break; | |
551 | ||
552 | r = sd_bus_message_append_basic(m, 's', word); | |
553 | if (r < 0) | |
554 | return bus_log_create_error(r); | |
555 | } | |
556 | ||
557 | r = sd_bus_message_close_container(m); | |
558 | if (r < 0) | |
559 | return bus_log_create_error(r); | |
560 | ||
561 | r = sd_bus_message_close_container(m); | |
562 | ||
563 | } else if (streq(field, "SystemCallErrorNumber")) { | |
564 | int n; | |
565 | ||
566 | n = errno_from_name(eq); | |
567 | if (n < 0) | |
568 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
569 | ||
570 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
571 | ||
572 | } else if (streq(field, "RestrictAddressFamilies")) { | |
573 | int whitelist; | |
574 | const char *p; | |
575 | ||
576 | r = sd_bus_message_open_container(m, 'v', "bas"); | |
577 | if (r < 0) | |
578 | return bus_log_create_error(r); | |
579 | ||
580 | p = eq; | |
581 | if (*p == '~') { | |
582 | whitelist = 0; | |
583 | p++; | |
584 | } else | |
585 | whitelist = 1; | |
586 | ||
587 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
588 | if (r < 0) | |
589 | return bus_log_create_error(r); | |
590 | ||
591 | r = sd_bus_message_open_container(m, 'a', "s"); | |
592 | if (r < 0) | |
593 | return bus_log_create_error(r); | |
594 | ||
595 | for (;;) { | |
596 | _cleanup_free_ char *word = NULL; | |
597 | ||
598 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
599 | if (r < 0) | |
600 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
601 | if (r == 0) | |
602 | break; | |
603 | ||
604 | r = sd_bus_message_append_basic(m, 's', word); | |
605 | if (r < 0) | |
606 | return bus_log_create_error(r); | |
607 | } | |
608 | ||
609 | r = sd_bus_message_close_container(m); | |
610 | if (r < 0) | |
611 | return bus_log_create_error(r); | |
612 | ||
613 | r = sd_bus_message_close_container(m); | |
614 | ||
615 | #endif | |
616 | ||
9efb9df9 LP |
617 | } else if (streq(field, "FileDescriptorStoreMax")) { |
618 | unsigned u; | |
619 | ||
620 | r = safe_atou(eq, &u); | |
621 | if (r < 0) | |
622 | return log_error_errno(r, "Failed to parse file descriptor store limit: %s", eq); | |
623 | ||
624 | r = sd_bus_message_append(m, "v", "u", (uint32_t) u); | |
625 | ||
7f452159 LP |
626 | } else if (streq(field, "IOSchedulingClass")) { |
627 | int c; | |
628 | ||
629 | c = ioprio_class_from_string(eq); | |
630 | if (c < 0) | |
631 | return log_error_errno(r, "Failed to parse IO scheduling class: %s", eq); | |
632 | ||
633 | r = sd_bus_message_append(m, "v", "i", (int32_t) c); | |
634 | ||
635 | } else if (streq(field, "IOSchedulingPriority")) { | |
636 | int q; | |
637 | ||
638 | r = ioprio_parse_priority(eq, &q); | |
639 | if (r < 0) | |
640 | return log_error_errno(r, "Failed to parse IO scheduling priority: %s", eq); | |
641 | ||
642 | r = sd_bus_message_append(m, "v", "i", (int32_t) q); | |
643 | ||
00819cc1 | 644 | } else if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment")) { |
20b16441 LP |
645 | const char *p; |
646 | ||
647 | r = sd_bus_message_open_container(m, 'v', "as"); | |
648 | if (r < 0) | |
649 | return bus_log_create_error(r); | |
650 | ||
651 | r = sd_bus_message_open_container(m, 'a', "s"); | |
652 | if (r < 0) | |
653 | return bus_log_create_error(r); | |
654 | ||
c58bd76a | 655 | for (p = eq;;) { |
20b16441 LP |
656 | _cleanup_free_ char *word = NULL; |
657 | ||
658 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE); | |
659 | if (r < 0) { | |
660 | log_error("Failed to parse Environment value %s", eq); | |
661 | return -EINVAL; | |
662 | } | |
663 | if (r == 0) | |
664 | break; | |
665 | ||
666 | if (streq(field, "Environment")) { | |
667 | if (!env_assignment_is_valid(word)) { | |
668 | log_error("Invalid environment assignment: %s", word); | |
669 | return -EINVAL; | |
670 | } | |
00819cc1 LP |
671 | } else if (streq(field, "UnsetEnvironment")) { |
672 | if (!env_assignment_is_valid(word) && !env_name_is_valid(word)) { | |
673 | log_error("Invalid environment name or assignment: %s", word); | |
674 | return -EINVAL; | |
675 | } | |
20b16441 LP |
676 | } else { /* PassEnvironment */ |
677 | if (!env_name_is_valid(word)) { | |
678 | log_error("Invalid environment variable name: %s", word); | |
679 | return -EINVAL; | |
680 | } | |
681 | } | |
682 | ||
683 | r = sd_bus_message_append_basic(m, 's', word); | |
684 | if (r < 0) | |
685 | return bus_log_create_error(r); | |
686 | } | |
687 | ||
688 | r = sd_bus_message_close_container(m); | |
689 | if (r < 0) | |
690 | return bus_log_create_error(r); | |
691 | ||
692 | r = sd_bus_message_close_container(m); | |
693 | ||
694 | } else if (streq(field, "KillSignal")) { | |
695 | int sig; | |
696 | ||
697 | sig = signal_from_string_try_harder(eq); | |
698 | if (sig < 0) { | |
699 | log_error("Failed to parse %s value %s.", field, eq); | |
700 | return -EINVAL; | |
701 | } | |
702 | ||
703 | r = sd_bus_message_append(m, "v", "i", sig); | |
704 | ||
705 | } else if (streq(field, "TimerSlackNSec")) { | |
706 | nsec_t n; | |
707 | ||
708 | r = parse_nsec(eq, &n); | |
709 | if (r < 0) { | |
710 | log_error("Failed to parse %s value %s", field, eq); | |
711 | return -EINVAL; | |
712 | } | |
713 | ||
714 | r = sd_bus_message_append(m, "v", "t", n); | |
715 | } else if (streq(field, "OOMScoreAdjust")) { | |
716 | int oa; | |
717 | ||
718 | r = safe_atoi(eq, &oa); | |
719 | if (r < 0) { | |
720 | log_error("Failed to parse %s value %s", field, eq); | |
721 | return -EINVAL; | |
722 | } | |
723 | ||
724 | if (!oom_score_adjust_is_valid(oa)) { | |
725 | log_error("OOM score adjust value out of range"); | |
726 | return -EINVAL; | |
727 | } | |
728 | ||
729 | r = sd_bus_message_append(m, "v", "i", oa); | |
2a624c36 AP |
730 | } else if (STR_IN_SET(field, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories", |
731 | "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) { | |
20b16441 LP |
732 | const char *p; |
733 | ||
734 | r = sd_bus_message_open_container(m, 'v', "as"); | |
735 | if (r < 0) | |
736 | return bus_log_create_error(r); | |
737 | ||
738 | r = sd_bus_message_open_container(m, 'a', "s"); | |
739 | if (r < 0) | |
740 | return bus_log_create_error(r); | |
741 | ||
c58bd76a | 742 | for (p = eq;;) { |
20b16441 | 743 | _cleanup_free_ char *word = NULL; |
20b7a007 | 744 | size_t offset; |
20b16441 LP |
745 | |
746 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
747 | if (r < 0) { | |
748 | log_error("Failed to parse %s value %s", field, eq); | |
749 | return -EINVAL; | |
750 | } | |
751 | if (r == 0) | |
752 | break; | |
753 | ||
754 | if (!utf8_is_valid(word)) { | |
755 | log_error("Failed to parse %s value %s", field, eq); | |
756 | return -EINVAL; | |
757 | } | |
758 | ||
759 | offset = word[0] == '-'; | |
20b7a007 LP |
760 | offset += word[offset] == '+'; |
761 | ||
20b16441 LP |
762 | if (!path_is_absolute(word + offset)) { |
763 | log_error("Failed to parse %s value %s", field, eq); | |
764 | return -EINVAL; | |
765 | } | |
766 | ||
767 | path_kill_slashes(word + offset); | |
768 | ||
769 | r = sd_bus_message_append_basic(m, 's', word); | |
770 | if (r < 0) | |
771 | return bus_log_create_error(r); | |
772 | } | |
773 | ||
774 | r = sd_bus_message_close_container(m); | |
775 | if (r < 0) | |
776 | return bus_log_create_error(r); | |
777 | ||
778 | r = sd_bus_message_close_container(m); | |
779 | ||
cffaed83 YW |
780 | } else if (streq(field, "SupplementaryGroups")) { |
781 | const char *p; | |
782 | ||
783 | r = sd_bus_message_open_container(m, 'v', "as"); | |
784 | if (r < 0) | |
785 | return bus_log_create_error(r); | |
786 | ||
787 | r = sd_bus_message_open_container(m, 'a', "s"); | |
788 | if (r < 0) | |
789 | return bus_log_create_error(r); | |
790 | ||
791 | for (p = eq;;) { | |
792 | _cleanup_free_ char *word = NULL; | |
793 | ||
794 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
795 | if (r < 0) { | |
796 | log_error("Failed to parse %s value %s", field, eq); | |
797 | return -EINVAL; | |
798 | } | |
799 | if (r == 0) | |
800 | break; | |
801 | ||
802 | if (!valid_user_group_name_or_id(word)) { | |
803 | log_error("Failed to parse %s value %s", field, eq); | |
804 | return -EINVAL; | |
805 | } | |
806 | ||
807 | r = sd_bus_message_append_basic(m, 's', word); | |
808 | if (r < 0) | |
809 | return bus_log_create_error(r); | |
810 | } | |
811 | ||
812 | r = sd_bus_message_close_container(m); | |
813 | if (r < 0) | |
814 | return bus_log_create_error(r); | |
815 | ||
816 | r = sd_bus_message_close_container(m); | |
817 | ||
818 | } else if (STR_IN_SET(field, "RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode", "LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask")) { | |
53f47dfc YW |
819 | mode_t mode; |
820 | ||
821 | r = parse_mode(eq, &mode); | |
822 | if (r < 0) | |
823 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
824 | ||
825 | r = sd_bus_message_append(m, "v", "u", mode); | |
826 | ||
3536f49e | 827 | } else if (STR_IN_SET(field, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) { |
20b16441 LP |
828 | const char *p; |
829 | ||
830 | r = sd_bus_message_open_container(m, 'v', "as"); | |
831 | if (r < 0) | |
832 | return bus_log_create_error(r); | |
833 | ||
834 | r = sd_bus_message_open_container(m, 'a', "s"); | |
835 | if (r < 0) | |
836 | return bus_log_create_error(r); | |
837 | ||
c58bd76a | 838 | for (p = eq;;) { |
20b16441 LP |
839 | _cleanup_free_ char *word = NULL; |
840 | ||
841 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
842 | if (r < 0) | |
843 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
844 | ||
845 | if (r == 0) | |
846 | break; | |
847 | ||
848 | r = sd_bus_message_append_basic(m, 's', word); | |
849 | if (r < 0) | |
850 | return bus_log_create_error(r); | |
851 | } | |
852 | ||
853 | r = sd_bus_message_close_container(m); | |
854 | if (r < 0) | |
855 | return bus_log_create_error(r); | |
856 | ||
857 | r = sd_bus_message_close_container(m); | |
858 | ||
add00535 LP |
859 | } else if (streq(field, "RestrictNamespaces")) { |
860 | bool invert = false; | |
0d7578dc | 861 | unsigned long flags = 0; |
add00535 LP |
862 | |
863 | if (eq[0] == '~') { | |
864 | invert = true; | |
865 | eq++; | |
866 | } | |
867 | ||
868 | r = parse_boolean(eq); | |
869 | if (r > 0) | |
870 | flags = 0; | |
871 | else if (r == 0) | |
872 | flags = NAMESPACE_FLAGS_ALL; | |
873 | else { | |
874 | r = namespace_flag_from_string_many(eq, &flags); | |
875 | if (r < 0) | |
876 | return log_error_errno(r, "Failed to parse %s value %s.", field, eq); | |
877 | } | |
878 | ||
879 | if (invert) | |
880 | flags = (~flags) & NAMESPACE_FLAGS_ALL; | |
881 | ||
0d7578dc | 882 | r = sd_bus_message_append(m, "v", "t", (uint64_t) flags); |
289188ca LP |
883 | } else if ((dep = unit_dependency_from_string(field)) >= 0) |
884 | r = sd_bus_message_append(m, "v", "as", 1, eq); | |
83555251 LP |
885 | else if (streq(field, "MountFlags")) { |
886 | unsigned long f; | |
887 | ||
c7383828 ZJS |
888 | r = mount_propagation_flags_from_string(eq, &f); |
889 | if (r < 0) | |
890 | return log_error_errno(r, "Failed to parse mount propagation flags: %s", eq); | |
83555251 | 891 | |
b9e2d822 | 892 | r = sd_bus_message_append(m, "v", "t", (uint64_t) f); |
d2d6c096 LP |
893 | } else if (STR_IN_SET(field, "BindPaths", "BindReadOnlyPaths")) { |
894 | const char *p = eq; | |
895 | ||
896 | r = sd_bus_message_open_container(m, 'v', "a(ssbt)"); | |
897 | if (r < 0) | |
898 | return r; | |
899 | ||
900 | r = sd_bus_message_open_container(m, 'a', "(ssbt)"); | |
901 | if (r < 0) | |
902 | return r; | |
903 | ||
904 | for (;;) { | |
905 | _cleanup_free_ char *source = NULL, *destination = NULL; | |
906 | char *s = NULL, *d = NULL; | |
907 | bool ignore_enoent = false; | |
908 | uint64_t flags = MS_REC; | |
909 | ||
910 | r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
911 | if (r < 0) | |
912 | return log_error_errno(r, "Failed to parse argument: %m"); | |
913 | if (r == 0) | |
914 | break; | |
915 | ||
916 | s = source; | |
917 | if (s[0] == '-') { | |
918 | ignore_enoent = true; | |
919 | s++; | |
920 | } | |
921 | ||
922 | if (p && p[-1] == ':') { | |
923 | r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
924 | if (r < 0) | |
925 | return log_error_errno(r, "Failed to parse argument: %m"); | |
926 | if (r == 0) { | |
927 | log_error("Missing argument after ':': %s", eq); | |
928 | return -EINVAL; | |
929 | } | |
930 | ||
931 | d = destination; | |
932 | ||
933 | if (p && p[-1] == ':') { | |
934 | _cleanup_free_ char *options = NULL; | |
935 | ||
936 | r = extract_first_word(&p, &options, NULL, EXTRACT_QUOTES); | |
937 | if (r < 0) | |
938 | return log_error_errno(r, "Failed to parse argument: %m"); | |
939 | ||
940 | if (isempty(options) || streq(options, "rbind")) | |
941 | flags = MS_REC; | |
942 | else if (streq(options, "norbind")) | |
943 | flags = 0; | |
944 | else { | |
945 | log_error("Unknown options: %s", eq); | |
946 | return -EINVAL; | |
947 | } | |
948 | } | |
949 | } else | |
950 | d = s; | |
951 | ||
952 | ||
953 | r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags); | |
954 | if (r < 0) | |
955 | return r; | |
956 | } | |
957 | ||
958 | r = sd_bus_message_close_container(m); | |
959 | if (r < 0) | |
960 | return r; | |
961 | ||
962 | r = sd_bus_message_close_container(m); | |
83555251 | 963 | } else { |
20b16441 LP |
964 | log_error("Unknown assignment %s.", assignment); |
965 | return -EINVAL; | |
966 | } | |
967 | ||
968 | finish: | |
969 | if (r < 0) | |
970 | return bus_log_create_error(r); | |
971 | ||
972 | r = sd_bus_message_close_container(m); | |
973 | if (r < 0) | |
974 | return bus_log_create_error(r); | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
8673cf13 LP |
979 | int bus_append_unit_property_assignment_many(sd_bus_message *m, char **l) { |
980 | char **i; | |
981 | int r; | |
982 | ||
983 | assert(m); | |
984 | ||
985 | STRV_FOREACH(i, l) { | |
986 | r = bus_append_unit_property_assignment(m, *i); | |
987 | if (r < 0) | |
988 | return r; | |
989 | } | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
20b16441 LP |
994 | typedef struct BusWaitForJobs { |
995 | sd_bus *bus; | |
996 | Set *jobs; | |
997 | ||
998 | char *name; | |
999 | char *result; | |
1000 | ||
1001 | sd_bus_slot *slot_job_removed; | |
1002 | sd_bus_slot *slot_disconnected; | |
1003 | } BusWaitForJobs; | |
1004 | ||
1005 | static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1006 | assert(m); | |
1007 | ||
1008 | log_error("Warning! D-Bus connection terminated."); | |
1009 | sd_bus_close(sd_bus_message_get_bus(m)); | |
1010 | ||
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1015 | const char *path, *unit, *result; | |
1016 | BusWaitForJobs *d = userdata; | |
1017 | uint32_t id; | |
1018 | char *found; | |
1019 | int r; | |
1020 | ||
1021 | assert(m); | |
1022 | assert(d); | |
1023 | ||
1024 | r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result); | |
1025 | if (r < 0) { | |
1026 | bus_log_parse_error(r); | |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | found = set_remove(d->jobs, (char*) path); | |
1031 | if (!found) | |
1032 | return 0; | |
1033 | ||
1034 | free(found); | |
1035 | ||
1036 | if (!isempty(result)) | |
1037 | d->result = strdup(result); | |
1038 | ||
1039 | if (!isempty(unit)) | |
1040 | d->name = strdup(unit); | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | void bus_wait_for_jobs_free(BusWaitForJobs *d) { | |
1046 | if (!d) | |
1047 | return; | |
1048 | ||
1049 | set_free_free(d->jobs); | |
1050 | ||
1051 | sd_bus_slot_unref(d->slot_disconnected); | |
1052 | sd_bus_slot_unref(d->slot_job_removed); | |
1053 | ||
1054 | sd_bus_unref(d->bus); | |
1055 | ||
1056 | free(d->name); | |
1057 | free(d->result); | |
1058 | ||
1059 | free(d); | |
1060 | } | |
1061 | ||
1062 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) { | |
1063 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL; | |
1064 | int r; | |
1065 | ||
1066 | assert(bus); | |
1067 | assert(ret); | |
1068 | ||
1069 | d = new0(BusWaitForJobs, 1); | |
1070 | if (!d) | |
1071 | return -ENOMEM; | |
1072 | ||
1073 | d->bus = sd_bus_ref(bus); | |
1074 | ||
1075 | /* When we are a bus client we match by sender. Direct | |
1076 | * connections OTOH have no initialized sender field, and | |
1077 | * hence we ignore the sender then */ | |
1078 | r = sd_bus_add_match( | |
1079 | bus, | |
1080 | &d->slot_job_removed, | |
1081 | bus->bus_client ? | |
1082 | "type='signal'," | |
1083 | "sender='org.freedesktop.systemd1'," | |
1084 | "interface='org.freedesktop.systemd1.Manager'," | |
1085 | "member='JobRemoved'," | |
1086 | "path='/org/freedesktop/systemd1'" : | |
1087 | "type='signal'," | |
1088 | "interface='org.freedesktop.systemd1.Manager'," | |
1089 | "member='JobRemoved'," | |
1090 | "path='/org/freedesktop/systemd1'", | |
1091 | match_job_removed, d); | |
1092 | if (r < 0) | |
1093 | return r; | |
1094 | ||
1095 | r = sd_bus_add_match( | |
1096 | bus, | |
1097 | &d->slot_disconnected, | |
1098 | "type='signal'," | |
1099 | "sender='org.freedesktop.DBus.Local'," | |
1100 | "interface='org.freedesktop.DBus.Local'," | |
1101 | "member='Disconnected'", | |
1102 | match_disconnected, d); | |
1103 | if (r < 0) | |
1104 | return r; | |
1105 | ||
1106 | *ret = d; | |
1107 | d = NULL; | |
1108 | ||
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | static int bus_process_wait(sd_bus *bus) { | |
1113 | int r; | |
1114 | ||
1115 | for (;;) { | |
1116 | r = sd_bus_process(bus, NULL); | |
1117 | if (r < 0) | |
1118 | return r; | |
1119 | if (r > 0) | |
1120 | return 0; | |
1121 | ||
1122 | r = sd_bus_wait(bus, (uint64_t) -1); | |
1123 | if (r < 0) | |
1124 | return r; | |
1125 | } | |
1126 | } | |
1127 | ||
1128 | static int bus_job_get_service_result(BusWaitForJobs *d, char **result) { | |
1129 | _cleanup_free_ char *dbus_path = NULL; | |
1130 | ||
1131 | assert(d); | |
1132 | assert(d->name); | |
1133 | assert(result); | |
1134 | ||
bd5a1c91 LP |
1135 | if (!endswith(d->name, ".service")) |
1136 | return -EINVAL; | |
1137 | ||
20b16441 LP |
1138 | dbus_path = unit_dbus_path_from_name(d->name); |
1139 | if (!dbus_path) | |
1140 | return -ENOMEM; | |
1141 | ||
1142 | return sd_bus_get_property_string(d->bus, | |
1143 | "org.freedesktop.systemd1", | |
1144 | dbus_path, | |
1145 | "org.freedesktop.systemd1.Service", | |
1146 | "Result", | |
1147 | NULL, | |
1148 | result); | |
1149 | } | |
1150 | ||
1151 | static const struct { | |
1152 | const char *result, *explanation; | |
1153 | } explanations [] = { | |
0b2de9d9 | 1154 | { "resources", "of unavailable resources or another system error" }, |
7ed0a4c5 | 1155 | { "protocol", "the service did not take the steps required by its unit configuration" }, |
20b16441 LP |
1156 | { "timeout", "a timeout was exceeded" }, |
1157 | { "exit-code", "the control process exited with error code" }, | |
1158 | { "signal", "a fatal signal was delivered to the control process" }, | |
1159 | { "core-dump", "a fatal signal was delivered causing the control process to dump core" }, | |
1160 | { "watchdog", "the service failed to send watchdog ping" }, | |
1161 | { "start-limit", "start of the service was attempted too often" } | |
1162 | }; | |
1163 | ||
1164 | static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) { | |
1165 | _cleanup_free_ char *service_shell_quoted = NULL; | |
1166 | const char *systemctl = "systemctl", *journalctl = "journalctl"; | |
1167 | ||
1168 | assert(service); | |
1169 | ||
804ee07c | 1170 | service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH); |
20b16441 | 1171 | |
ef6e596f | 1172 | if (extra_args) { |
20b16441 LP |
1173 | _cleanup_free_ char *t; |
1174 | ||
1175 | t = strv_join((char**) extra_args, " "); | |
1176 | systemctl = strjoina("systemctl ", t ? : "<args>"); | |
1177 | journalctl = strjoina("journalctl ", t ? : "<args>"); | |
1178 | } | |
1179 | ||
1180 | if (!isempty(result)) { | |
1181 | unsigned i; | |
1182 | ||
1183 | for (i = 0; i < ELEMENTSOF(explanations); ++i) | |
1184 | if (streq(result, explanations[i].result)) | |
1185 | break; | |
1186 | ||
1187 | if (i < ELEMENTSOF(explanations)) { | |
1188 | log_error("Job for %s failed because %s.\n" | |
1189 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1190 | service, | |
1191 | explanations[i].explanation, | |
1192 | systemctl, | |
1193 | service_shell_quoted ?: "<service>", | |
1194 | journalctl); | |
1195 | goto finish; | |
1196 | } | |
1197 | } | |
1198 | ||
1199 | log_error("Job for %s failed.\n" | |
1200 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1201 | service, | |
1202 | systemctl, | |
1203 | service_shell_quoted ?: "<service>", | |
1204 | journalctl); | |
1205 | ||
1206 | finish: | |
1207 | /* For some results maybe additional explanation is required */ | |
1208 | if (streq_ptr(result, "start-limit")) | |
1209 | log_info("To force a start use \"%1$s reset-failed %2$s\"\n" | |
1210 | "followed by \"%1$s start %2$s\" again.", | |
1211 | systemctl, | |
1212 | service_shell_quoted ?: "<service>"); | |
1213 | } | |
1214 | ||
1215 | static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1216 | int r = 0; | |
1217 | ||
1218 | assert(d->result); | |
1219 | ||
1220 | if (!quiet) { | |
1221 | if (streq(d->result, "canceled")) | |
1222 | log_error("Job for %s canceled.", strna(d->name)); | |
1223 | else if (streq(d->result, "timeout")) | |
1224 | log_error("Job for %s timed out.", strna(d->name)); | |
1225 | else if (streq(d->result, "dependency")) | |
1226 | log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name)); | |
1227 | else if (streq(d->result, "invalid")) | |
1228 | log_error("%s is not active, cannot reload.", strna(d->name)); | |
1229 | else if (streq(d->result, "assert")) | |
1230 | log_error("Assertion failed on job for %s.", strna(d->name)); | |
1231 | else if (streq(d->result, "unsupported")) | |
1232 | log_error("Operation on or unit type of %s not supported on this system.", strna(d->name)); | |
c5a97ed1 LP |
1233 | else if (streq(d->result, "collected")) |
1234 | log_error("Queued job for %s was garbage collected.", strna(d->name)); | |
ae835bc7 | 1235 | else if (!STR_IN_SET(d->result, "done", "skipped")) { |
20b16441 | 1236 | if (d->name) { |
20b16441 | 1237 | _cleanup_free_ char *result = NULL; |
bd5a1c91 | 1238 | int q; |
20b16441 LP |
1239 | |
1240 | q = bus_job_get_service_result(d, &result); | |
1241 | if (q < 0) | |
bd5a1c91 | 1242 | log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name); |
20b16441 LP |
1243 | |
1244 | log_job_error_with_service_result(d->name, result, extra_args); | |
1245 | } else | |
1246 | log_error("Job failed. See \"journalctl -xe\" for details."); | |
1247 | } | |
1248 | } | |
1249 | ||
c5a97ed1 | 1250 | if (STR_IN_SET(d->result, "canceled", "collected")) |
20b16441 LP |
1251 | r = -ECANCELED; |
1252 | else if (streq(d->result, "timeout")) | |
1253 | r = -ETIME; | |
1254 | else if (streq(d->result, "dependency")) | |
1255 | r = -EIO; | |
1256 | else if (streq(d->result, "invalid")) | |
1257 | r = -ENOEXEC; | |
1258 | else if (streq(d->result, "assert")) | |
1259 | r = -EPROTO; | |
1260 | else if (streq(d->result, "unsupported")) | |
1261 | r = -EOPNOTSUPP; | |
ae835bc7 | 1262 | else if (!STR_IN_SET(d->result, "done", "skipped")) |
20b16441 LP |
1263 | r = -EIO; |
1264 | ||
1265 | return r; | |
1266 | } | |
1267 | ||
1268 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1269 | int r = 0; | |
1270 | ||
1271 | assert(d); | |
1272 | ||
1273 | while (!set_isempty(d->jobs)) { | |
1274 | int q; | |
1275 | ||
1276 | q = bus_process_wait(d->bus); | |
1277 | if (q < 0) | |
1278 | return log_error_errno(q, "Failed to wait for response: %m"); | |
1279 | ||
1280 | if (d->result) { | |
1281 | q = check_wait_response(d, quiet, extra_args); | |
1282 | /* Return the first error as it is most likely to be | |
1283 | * meaningful. */ | |
1284 | if (q < 0 && r == 0) | |
1285 | r = q; | |
1286 | ||
1287 | log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name)); | |
1288 | } | |
1289 | ||
1290 | d->name = mfree(d->name); | |
1291 | d->result = mfree(d->result); | |
1292 | } | |
1293 | ||
1294 | return r; | |
1295 | } | |
1296 | ||
1297 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) { | |
1298 | int r; | |
1299 | ||
1300 | assert(d); | |
1301 | ||
1302 | r = set_ensure_allocated(&d->jobs, &string_hash_ops); | |
1303 | if (r < 0) | |
1304 | return r; | |
1305 | ||
1306 | return set_put_strdup(d->jobs, path); | |
1307 | } | |
1308 | ||
1309 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) { | |
1310 | int r; | |
1311 | ||
1312 | r = bus_wait_for_jobs_add(d, path); | |
1313 | if (r < 0) | |
1314 | return log_oom(); | |
1315 | ||
1316 | return bus_wait_for_jobs(d, quiet, NULL); | |
1317 | } | |
1318 | ||
1319 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes) { | |
1320 | const char *type, *path, *source; | |
1321 | int r; | |
1322 | ||
acc0269c CH |
1323 | /* changes is dereferenced when calling unit_file_dump_changes() later, |
1324 | * so we have to make sure this is not NULL. */ | |
1325 | assert(changes); | |
1326 | assert(n_changes); | |
1327 | ||
20b16441 LP |
1328 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); |
1329 | if (r < 0) | |
1330 | return bus_log_parse_error(r); | |
1331 | ||
1332 | while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { | |
1333 | /* We expect only "success" changes to be sent over the bus. | |
1334 | Hence, reject anything negative. */ | |
1335 | UnitFileChangeType ch = unit_file_change_type_from_string(type); | |
1336 | ||
1337 | if (ch < 0) { | |
1338 | log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path); | |
1339 | continue; | |
1340 | } | |
1341 | ||
1342 | r = unit_file_changes_add(changes, n_changes, ch, path, source); | |
1343 | if (r < 0) | |
1344 | return r; | |
1345 | } | |
1346 | if (r < 0) | |
1347 | return bus_log_parse_error(r); | |
1348 | ||
1349 | r = sd_bus_message_exit_container(m); | |
1350 | if (r < 0) | |
1351 | return bus_log_parse_error(r); | |
1352 | ||
1353 | unit_file_dump_changes(0, NULL, *changes, *n_changes, false); | |
1354 | return 0; | |
1355 | } | |
1356 | ||
291d565a LP |
1357 | struct CGroupInfo { |
1358 | char *cgroup_path; | |
1359 | bool is_const; /* If false, cgroup_path should be free()'d */ | |
1360 | ||
1361 | Hashmap *pids; /* PID → process name */ | |
1362 | bool done; | |
1363 | ||
1364 | struct CGroupInfo *parent; | |
1365 | LIST_FIELDS(struct CGroupInfo, siblings); | |
1366 | LIST_HEAD(struct CGroupInfo, children); | |
1367 | size_t n_children; | |
1368 | }; | |
1369 | ||
1370 | static bool IS_ROOT(const char *p) { | |
1371 | return isempty(p) || streq(p, "/"); | |
1372 | } | |
1373 | ||
1374 | static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) { | |
1375 | struct CGroupInfo *parent = NULL, *cg; | |
1376 | int r; | |
1377 | ||
1378 | assert(cgroups); | |
1379 | assert(ret); | |
1380 | ||
1381 | if (IS_ROOT(path)) | |
1382 | path = "/"; | |
1383 | ||
1384 | cg = hashmap_get(cgroups, path); | |
1385 | if (cg) { | |
1386 | *ret = cg; | |
1387 | return 0; | |
1388 | } | |
1389 | ||
1390 | if (!IS_ROOT(path)) { | |
1391 | const char *e, *pp; | |
1392 | ||
1393 | e = strrchr(path, '/'); | |
1394 | if (!e) | |
1395 | return -EINVAL; | |
1396 | ||
1397 | pp = strndupa(path, e - path); | |
1398 | if (!pp) | |
1399 | return -ENOMEM; | |
1400 | ||
1401 | r = add_cgroup(cgroups, pp, false, &parent); | |
1402 | if (r < 0) | |
1403 | return r; | |
1404 | } | |
1405 | ||
1406 | cg = new0(struct CGroupInfo, 1); | |
1407 | if (!cg) | |
1408 | return -ENOMEM; | |
1409 | ||
1410 | if (is_const) | |
1411 | cg->cgroup_path = (char*) path; | |
1412 | else { | |
1413 | cg->cgroup_path = strdup(path); | |
1414 | if (!cg->cgroup_path) { | |
1415 | free(cg); | |
1416 | return -ENOMEM; | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | cg->is_const = is_const; | |
1421 | cg->parent = parent; | |
1422 | ||
1423 | r = hashmap_put(cgroups, cg->cgroup_path, cg); | |
1424 | if (r < 0) { | |
1425 | if (!is_const) | |
1426 | free(cg->cgroup_path); | |
1427 | free(cg); | |
1428 | return r; | |
1429 | } | |
1430 | ||
1431 | if (parent) { | |
1432 | LIST_PREPEND(siblings, parent->children, cg); | |
1433 | parent->n_children++; | |
1434 | } | |
1435 | ||
1436 | *ret = cg; | |
1437 | return 1; | |
1438 | } | |
1439 | ||
1440 | static int add_process( | |
1441 | Hashmap *cgroups, | |
1442 | const char *path, | |
1443 | pid_t pid, | |
1444 | const char *name) { | |
1445 | ||
1446 | struct CGroupInfo *cg; | |
1447 | int r; | |
1448 | ||
1449 | assert(cgroups); | |
1450 | assert(name); | |
1451 | assert(pid > 0); | |
1452 | ||
1453 | r = add_cgroup(cgroups, path, true, &cg); | |
1454 | if (r < 0) | |
1455 | return r; | |
1456 | ||
1457 | r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops); | |
1458 | if (r < 0) | |
1459 | return r; | |
1460 | ||
1461 | return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name); | |
1462 | } | |
1463 | ||
1464 | static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) { | |
1465 | assert(cgroups); | |
1466 | assert(cg); | |
1467 | ||
1468 | while (cg->children) | |
1469 | remove_cgroup(cgroups, cg->children); | |
1470 | ||
1471 | hashmap_remove(cgroups, cg->cgroup_path); | |
1472 | ||
1473 | if (!cg->is_const) | |
1474 | free(cg->cgroup_path); | |
1475 | ||
1476 | hashmap_free(cg->pids); | |
1477 | ||
1478 | if (cg->parent) | |
1479 | LIST_REMOVE(siblings, cg->parent->children, cg); | |
1480 | ||
1481 | free(cg); | |
1482 | } | |
1483 | ||
1484 | static int cgroup_info_compare_func(const void *a, const void *b) { | |
1485 | const struct CGroupInfo *x = *(const struct CGroupInfo* const*) a, *y = *(const struct CGroupInfo* const*) b; | |
1486 | ||
1487 | assert(x); | |
1488 | assert(y); | |
1489 | ||
1490 | return strcmp(x->cgroup_path, y->cgroup_path); | |
1491 | } | |
1492 | ||
1493 | static int dump_processes( | |
1494 | Hashmap *cgroups, | |
1495 | const char *cgroup_path, | |
1496 | const char *prefix, | |
1497 | unsigned n_columns, | |
1498 | OutputFlags flags) { | |
1499 | ||
1500 | struct CGroupInfo *cg; | |
1501 | int r; | |
1502 | ||
1503 | assert(prefix); | |
1504 | ||
1505 | if (IS_ROOT(cgroup_path)) | |
1506 | cgroup_path = "/"; | |
1507 | ||
1508 | cg = hashmap_get(cgroups, cgroup_path); | |
1509 | if (!cg) | |
1510 | return 0; | |
1511 | ||
1512 | if (!hashmap_isempty(cg->pids)) { | |
1513 | const char *name; | |
1514 | size_t n = 0, i; | |
1515 | pid_t *pids; | |
1516 | void *pidp; | |
1517 | Iterator j; | |
1518 | int width; | |
1519 | ||
1520 | /* Order processes by their PID */ | |
1521 | pids = newa(pid_t, hashmap_size(cg->pids)); | |
1522 | ||
1523 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) | |
1524 | pids[n++] = PTR_TO_PID(pidp); | |
1525 | ||
1526 | assert(n == hashmap_size(cg->pids)); | |
1527 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1528 | ||
1529 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1530 | ||
1531 | for (i = 0; i < n; i++) { | |
1532 | _cleanup_free_ char *e = NULL; | |
1533 | const char *special; | |
1534 | bool more; | |
1535 | ||
1536 | name = hashmap_get(cg->pids, PID_TO_PTR(pids[i])); | |
1537 | assert(name); | |
1538 | ||
1539 | if (n_columns != 0) { | |
1540 | unsigned k; | |
1541 | ||
1542 | k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
1543 | ||
1544 | e = ellipsize(name, k, 100); | |
1545 | if (e) | |
1546 | name = e; | |
1547 | } | |
1548 | ||
1549 | more = i+1 < n || cg->children; | |
323b7dc9 | 1550 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1551 | |
1552 | fprintf(stdout, "%s%s%*"PID_PRI" %s\n", | |
1553 | prefix, | |
1554 | special, | |
1555 | width, pids[i], | |
1556 | name); | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | if (cg->children) { | |
1561 | struct CGroupInfo **children, *child; | |
1562 | size_t n = 0, i; | |
1563 | ||
1564 | /* Order subcgroups by their name */ | |
1565 | children = newa(struct CGroupInfo*, cg->n_children); | |
1566 | LIST_FOREACH(siblings, child, cg->children) | |
1567 | children[n++] = child; | |
1568 | assert(n == cg->n_children); | |
1569 | qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func); | |
1570 | ||
7351ded5 IL |
1571 | if (n_columns != 0) |
1572 | n_columns = MAX(LESS_BY(n_columns, 2U), 20U); | |
291d565a LP |
1573 | |
1574 | for (i = 0; i < n; i++) { | |
1575 | _cleanup_free_ char *pp = NULL; | |
1576 | const char *name, *special; | |
1577 | bool more; | |
1578 | ||
1579 | child = children[i]; | |
1580 | ||
1581 | name = strrchr(child->cgroup_path, '/'); | |
1582 | if (!name) | |
1583 | return -EINVAL; | |
1584 | name++; | |
1585 | ||
1586 | more = i+1 < n; | |
323b7dc9 | 1587 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1588 | |
1589 | fputs(prefix, stdout); | |
1590 | fputs(special, stdout); | |
1591 | fputs(name, stdout); | |
1592 | fputc('\n', stdout); | |
1593 | ||
323b7dc9 | 1594 | special = special_glyph(more ? TREE_VERTICAL : TREE_SPACE); |
291d565a LP |
1595 | |
1596 | pp = strappend(prefix, special); | |
1597 | if (!pp) | |
1598 | return -ENOMEM; | |
1599 | ||
1600 | r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags); | |
1601 | if (r < 0) | |
1602 | return r; | |
1603 | } | |
1604 | } | |
1605 | ||
1606 | cg->done = true; | |
1607 | return 0; | |
1608 | } | |
1609 | ||
1610 | static int dump_extra_processes( | |
1611 | Hashmap *cgroups, | |
1612 | const char *prefix, | |
1613 | unsigned n_columns, | |
1614 | OutputFlags flags) { | |
1615 | ||
1616 | _cleanup_free_ pid_t *pids = NULL; | |
1617 | _cleanup_hashmap_free_ Hashmap *names = NULL; | |
1618 | struct CGroupInfo *cg; | |
1619 | size_t n_allocated = 0, n = 0, k; | |
1620 | Iterator i; | |
1621 | int width, r; | |
1622 | ||
1623 | /* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as | |
1624 | * combined, sorted, linear list. */ | |
1625 | ||
1626 | HASHMAP_FOREACH(cg, cgroups, i) { | |
1627 | const char *name; | |
1628 | void *pidp; | |
1629 | Iterator j; | |
1630 | ||
1631 | if (cg->done) | |
1632 | continue; | |
1633 | ||
1634 | if (hashmap_isempty(cg->pids)) | |
1635 | continue; | |
1636 | ||
1637 | r = hashmap_ensure_allocated(&names, &trivial_hash_ops); | |
1638 | if (r < 0) | |
1639 | return r; | |
1640 | ||
1641 | if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids))) | |
1642 | return -ENOMEM; | |
1643 | ||
1644 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) { | |
1645 | pids[n++] = PTR_TO_PID(pidp); | |
1646 | ||
1647 | r = hashmap_put(names, pidp, (void*) name); | |
1648 | if (r < 0) | |
1649 | return r; | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | if (n == 0) | |
1654 | return 0; | |
1655 | ||
1656 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1657 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1658 | ||
1659 | for (k = 0; k < n; k++) { | |
1660 | _cleanup_free_ char *e = NULL; | |
1661 | const char *name; | |
1662 | ||
1663 | name = hashmap_get(names, PID_TO_PTR(pids[k])); | |
1664 | assert(name); | |
1665 | ||
1666 | if (n_columns != 0) { | |
1667 | unsigned z; | |
1668 | ||
1669 | z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
1670 | ||
1671 | e = ellipsize(name, z, 100); | |
1672 | if (e) | |
1673 | name = e; | |
1674 | } | |
1675 | ||
1676 | fprintf(stdout, "%s%s %*" PID_PRI " %s\n", | |
1677 | prefix, | |
323b7dc9 | 1678 | special_glyph(TRIANGULAR_BULLET), |
291d565a LP |
1679 | width, pids[k], |
1680 | name); | |
1681 | } | |
1682 | ||
1683 | return 0; | |
1684 | } | |
1685 | ||
1686 | int unit_show_processes( | |
1687 | sd_bus *bus, | |
1688 | const char *unit, | |
1689 | const char *cgroup_path, | |
1690 | const char *prefix, | |
1691 | unsigned n_columns, | |
1692 | OutputFlags flags, | |
1693 | sd_bus_error *error) { | |
1694 | ||
1695 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1696 | Hashmap *cgroups = NULL; | |
1697 | struct CGroupInfo *cg; | |
1698 | int r; | |
1699 | ||
1700 | assert(bus); | |
1701 | assert(unit); | |
1702 | ||
1703 | if (flags & OUTPUT_FULL_WIDTH) | |
1704 | n_columns = 0; | |
1705 | else if (n_columns <= 0) | |
1706 | n_columns = columns(); | |
1707 | ||
1708 | prefix = strempty(prefix); | |
1709 | ||
1710 | r = sd_bus_call_method( | |
1711 | bus, | |
1712 | "org.freedesktop.systemd1", | |
1713 | "/org/freedesktop/systemd1", | |
1714 | "org.freedesktop.systemd1.Manager", | |
1715 | "GetUnitProcesses", | |
1716 | error, | |
1717 | &reply, | |
1718 | "s", | |
1719 | unit); | |
1720 | if (r < 0) | |
1721 | return r; | |
1722 | ||
1723 | cgroups = hashmap_new(&string_hash_ops); | |
1724 | if (!cgroups) | |
1725 | return -ENOMEM; | |
1726 | ||
1727 | r = sd_bus_message_enter_container(reply, 'a', "(sus)"); | |
1728 | if (r < 0) | |
1729 | goto finish; | |
1730 | ||
1731 | for (;;) { | |
1732 | const char *path = NULL, *name = NULL; | |
1733 | uint32_t pid; | |
1734 | ||
1735 | r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name); | |
1736 | if (r < 0) | |
1737 | goto finish; | |
1738 | if (r == 0) | |
1739 | break; | |
1740 | ||
1741 | r = add_process(cgroups, path, pid, name); | |
1742 | if (r < 0) | |
1743 | goto finish; | |
1744 | } | |
1745 | ||
1746 | r = sd_bus_message_exit_container(reply); | |
1747 | if (r < 0) | |
1748 | goto finish; | |
1749 | ||
1750 | r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags); | |
1751 | if (r < 0) | |
1752 | goto finish; | |
1753 | ||
1754 | r = dump_extra_processes(cgroups, prefix, n_columns, flags); | |
1755 | ||
1756 | finish: | |
1757 | while ((cg = hashmap_first(cgroups))) | |
1758 | remove_cgroup(cgroups, cg); | |
1759 | ||
1760 | hashmap_free(cgroups); | |
1761 | ||
1762 | return r; | |
1763 | } |