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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
291d565a LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2016 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include "alloc-util.h" | |
22 | #include "bus-internal.h" | |
23 | #include "bus-unit-util.h" | |
24 | #include "bus-util.h" | |
cffaed83 | 25 | #include "cap-list.h" |
291d565a | 26 | #include "cgroup-util.h" |
cffaed83 | 27 | #include "cpu-set-util.h" |
291d565a | 28 | #include "env-util.h" |
cffaed83 | 29 | #include "errno-list.h" |
291d565a LP |
30 | #include "escape.h" |
31 | #include "hashmap.h" | |
08f3be7a | 32 | #include "hexdecoct.h" |
3dc5ca97 LP |
33 | #include "hostname-util.h" |
34 | #include "in-addr-util.h" | |
291d565a LP |
35 | #include "list.h" |
36 | #include "locale-util.h" | |
83555251 | 37 | #include "mount-util.h" |
add00535 | 38 | #include "nsflags.h" |
291d565a LP |
39 | #include "parse-util.h" |
40 | #include "path-util.h" | |
41 | #include "process-util.h" | |
42 | #include "rlimit-util.h" | |
cffaed83 | 43 | #include "securebits-util.h" |
291d565a LP |
44 | #include "signal-util.h" |
45 | #include "string-util.h" | |
46 | #include "syslog-util.h" | |
47 | #include "terminal-util.h" | |
cffaed83 | 48 | #include "user-util.h" |
291d565a LP |
49 | #include "utf8.h" |
50 | #include "util.h" | |
51 | ||
20b16441 LP |
52 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) { |
53 | assert(message); | |
54 | assert(u); | |
55 | ||
56 | u->machine = NULL; | |
57 | ||
58 | return sd_bus_message_read( | |
59 | message, | |
60 | "(ssssssouso)", | |
61 | &u->id, | |
62 | &u->description, | |
63 | &u->load_state, | |
64 | &u->active_state, | |
65 | &u->sub_state, | |
66 | &u->following, | |
67 | &u->unit_path, | |
68 | &u->job_id, | |
69 | &u->job_type, | |
70 | &u->job_path); | |
71 | } | |
72 | ||
3dc5ca97 LP |
73 | static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) { |
74 | int r; | |
75 | ||
76 | assert(m); | |
77 | assert(prefix); | |
78 | ||
79 | r = sd_bus_message_open_container(m, 'r', "iayu"); | |
80 | if (r < 0) | |
81 | return r; | |
82 | ||
83 | r = sd_bus_message_append(m, "i", family); | |
84 | if (r < 0) | |
85 | return r; | |
86 | ||
87 | r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family)); | |
88 | if (r < 0) | |
89 | return r; | |
90 | ||
91 | r = sd_bus_message_append(m, "u", prefixlen); | |
92 | if (r < 0) | |
93 | return r; | |
94 | ||
95 | return sd_bus_message_close_container(m); | |
96 | } | |
97 | ||
20b16441 LP |
98 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) { |
99 | const char *eq, *field; | |
289188ca | 100 | UnitDependency dep; |
20b16441 LP |
101 | int r, rl; |
102 | ||
103 | assert(m); | |
104 | assert(assignment); | |
105 | ||
106 | eq = strchr(assignment, '='); | |
107 | if (!eq) { | |
108 | log_error("Not an assignment: %s", assignment); | |
109 | return -EINVAL; | |
110 | } | |
111 | ||
112 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
113 | if (r < 0) | |
114 | return bus_log_create_error(r); | |
115 | ||
116 | field = strndupa(assignment, eq - assignment); | |
117 | eq++; | |
118 | ||
119 | if (streq(field, "CPUQuota")) { | |
120 | ||
121 | if (isempty(eq)) | |
122 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", USEC_INFINITY); | |
9184ca48 | 123 | else { |
5124866d | 124 | r = parse_percent_unbounded(eq); |
9184ca48 LP |
125 | if (r <= 0) { |
126 | log_error_errno(r, "CPU quota '%s' invalid.", eq); | |
20b16441 LP |
127 | return -EINVAL; |
128 | } | |
129 | ||
9184ca48 | 130 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", (usec_t) r * USEC_PER_SEC / 100U); |
20b16441 LP |
131 | } |
132 | ||
133 | goto finish; | |
134 | ||
135 | } else if (streq(field, "EnvironmentFile")) { | |
136 | ||
57169651 LP |
137 | if (isempty(eq)) |
138 | r = sd_bus_message_append(m, "sv", "EnvironmentFiles", "a(sb)", 0); | |
139 | else | |
140 | r = sd_bus_message_append(m, "sv", "EnvironmentFiles", "a(sb)", 1, | |
141 | eq[0] == '-' ? eq + 1 : eq, | |
142 | eq[0] == '-'); | |
20b16441 LP |
143 | goto finish; |
144 | ||
145 | } else if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec", "RuntimeMaxSec")) { | |
146 | char *n; | |
147 | usec_t t; | |
148 | size_t l; | |
9184ca48 | 149 | |
20b16441 LP |
150 | r = parse_sec(eq, &t); |
151 | if (r < 0) | |
152 | return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq); | |
153 | ||
154 | l = strlen(field); | |
155 | n = newa(char, l + 2); | |
156 | if (!n) | |
157 | return log_oom(); | |
158 | ||
159 | /* Change suffix Sec → USec */ | |
160 | strcpy(mempcpy(n, field, l - 3), "USec"); | |
161 | r = sd_bus_message_append(m, "sv", n, "t", t); | |
162 | goto finish; | |
d58d600e | 163 | |
d3070fbd LP |
164 | } else if (streq(field, "LogExtraFields")) { |
165 | ||
166 | r = sd_bus_message_append(m, "s", "LogExtraFields"); | |
167 | if (r < 0) | |
168 | goto finish; | |
169 | ||
170 | r = sd_bus_message_open_container(m, 'v', "aay"); | |
171 | if (r < 0) | |
172 | goto finish; | |
173 | ||
174 | r = sd_bus_message_open_container(m, 'a', "ay"); | |
175 | if (r < 0) | |
176 | goto finish; | |
177 | ||
178 | r = sd_bus_message_append_array(m, 'y', eq, strlen(eq)); | |
179 | if (r < 0) | |
180 | goto finish; | |
181 | ||
182 | r = sd_bus_message_close_container(m); | |
183 | if (r < 0) | |
184 | goto finish; | |
185 | ||
186 | r = sd_bus_message_close_container(m); | |
187 | goto finish; | |
188 | ||
d58d600e LP |
189 | } else if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemoryLimit")) { |
190 | uint64_t bytes; | |
191 | ||
192 | if (isempty(eq) || streq(eq, "infinity")) | |
193 | bytes = CGROUP_LIMIT_MAX; | |
194 | else { | |
195 | r = parse_percent(eq); | |
196 | if (r >= 0) { | |
197 | char *n; | |
198 | ||
199 | /* When this is a percentage we'll convert this into a relative value in the range | |
f7903e8d | 200 | * 0…UINT32_MAX and pass it in the MemoryLowScale property (and related |
d58d600e LP |
201 | * ones). This way the physical memory size can be determined server-side */ |
202 | ||
f7903e8d | 203 | n = strjoina(field, "Scale"); |
d58d600e LP |
204 | r = sd_bus_message_append(m, "sv", n, "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); |
205 | goto finish; | |
206 | ||
207 | } else { | |
208 | r = parse_size(eq, 1024, &bytes); | |
209 | if (r < 0) | |
210 | return log_error_errno(r, "Failed to parse bytes specification %s", assignment); | |
211 | } | |
212 | } | |
213 | ||
214 | r = sd_bus_message_append(m, "sv", field, "t", bytes); | |
215 | goto finish; | |
02638280 LP |
216 | |
217 | } else if (streq(field, "Delegate")) { | |
218 | ||
219 | r = parse_boolean(eq); | |
220 | if (r < 0) { | |
221 | const char *p = eq; | |
222 | ||
223 | r = sd_bus_message_append(m, "s", "DelegateControllers"); | |
224 | if (r < 0) | |
225 | goto finish; | |
226 | ||
227 | r = sd_bus_message_open_container(m, 'v', "as"); | |
228 | if (r < 0) | |
229 | goto finish; | |
230 | ||
231 | r = sd_bus_message_open_container(m, 'a', "s"); | |
232 | if (r < 0) | |
233 | goto finish; | |
234 | ||
235 | for (;;) { | |
236 | _cleanup_free_ char *word = NULL; | |
237 | ||
238 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
239 | if (r == 0) | |
240 | break; | |
241 | if (r == -ENOMEM) | |
242 | return log_oom(); | |
243 | if (r < 0) | |
244 | return log_error_errno(r, "Invalid syntax: %s", eq); | |
245 | ||
246 | r = sd_bus_message_append(m, "s", word); | |
247 | if (r < 0) | |
248 | goto finish; | |
249 | } | |
250 | ||
251 | r = sd_bus_message_close_container(m); | |
252 | if (r < 0) | |
253 | goto finish; | |
254 | ||
255 | r = sd_bus_message_close_container(m); | |
256 | } else | |
257 | r = sd_bus_message_append(m, "sv", "Delegate", "b", r); | |
258 | ||
259 | goto finish; | |
260 | ||
83f8e808 LP |
261 | } else if (streq(field, "TasksMax")) { |
262 | uint64_t t; | |
263 | ||
264 | if (isempty(eq) || streq(eq, "infinity")) | |
265 | t = (uint64_t) -1; | |
266 | else { | |
267 | r = parse_percent(eq); | |
268 | if (r >= 0) { | |
269 | r = sd_bus_message_append(m, "sv", "TasksMaxScale", "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); | |
270 | goto finish; | |
271 | } else { | |
272 | r = safe_atou64(eq, &t); | |
273 | if (r < 0) | |
274 | return log_error_errno(r, "Failed to parse maximum tasks specification %s", assignment); | |
275 | } | |
276 | ||
277 | } | |
278 | ||
279 | r = sd_bus_message_append(m, "sv", "TasksMax", "t", t); | |
280 | goto finish; | |
08f3be7a | 281 | |
2038c3f5 LP |
282 | } else if (STR_IN_SET(field, "StandardInput", "StandardOutput", "StandardError")) { |
283 | const char *n, *appended; | |
284 | ||
285 | n = startswith(eq, "fd:"); | |
286 | if (n) { | |
287 | appended = strjoina(field, "FileDescriptorName"); | |
288 | r = sd_bus_message_append(m, "sv", appended, "s", n); | |
289 | ||
290 | } else if ((n = startswith(eq, "file:"))) { | |
291 | appended = strjoina(field, "File"); | |
292 | r = sd_bus_message_append(m, "sv", appended, "s", n); | |
293 | } else | |
294 | r = sd_bus_message_append(m, "sv", field, "s", eq); | |
295 | ||
296 | goto finish; | |
297 | ||
08f3be7a LP |
298 | } else if (streq(field, "StandardInputText")) { |
299 | _cleanup_free_ char *unescaped = NULL; | |
300 | ||
301 | r = cunescape(eq, 0, &unescaped); | |
302 | if (r < 0) | |
303 | return log_error_errno(r, "Failed to unescape text '%s': %m", eq); | |
304 | ||
305 | if (!strextend(&unescaped, "\n", NULL)) | |
306 | return log_oom(); | |
307 | ||
308 | /* Note that we don't expand specifiers here, but that should be OK, as this is a programmatic | |
309 | * interface anyway */ | |
310 | ||
311 | r = sd_bus_message_append(m, "s", "StandardInputData"); | |
312 | if (r < 0) | |
313 | return bus_log_create_error(r); | |
314 | ||
315 | r = sd_bus_message_open_container(m, 'v', "ay"); | |
316 | if (r < 0) | |
317 | return bus_log_create_error(r); | |
318 | ||
319 | r = sd_bus_message_append_array(m, 'y', unescaped, strlen(unescaped)); | |
320 | if (r < 0) | |
321 | return bus_log_create_error(r); | |
322 | ||
323 | r = sd_bus_message_close_container(m); | |
324 | goto finish; | |
20b16441 LP |
325 | } |
326 | ||
327 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); | |
328 | if (r < 0) | |
329 | return bus_log_create_error(r); | |
330 | ||
331 | rl = rlimit_from_string(field); | |
332 | if (rl >= 0) { | |
333 | const char *sn; | |
334 | struct rlimit l; | |
335 | ||
336 | r = rlimit_parse(rl, eq, &l); | |
337 | if (r < 0) | |
338 | return log_error_errno(r, "Failed to parse resource limit: %s", eq); | |
339 | ||
340 | r = sd_bus_message_append(m, "v", "t", l.rlim_max); | |
341 | if (r < 0) | |
342 | return bus_log_create_error(r); | |
343 | ||
344 | r = sd_bus_message_close_container(m); | |
345 | if (r < 0) | |
346 | return bus_log_create_error(r); | |
347 | ||
348 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
349 | if (r < 0) | |
350 | return bus_log_create_error(r); | |
351 | ||
352 | sn = strjoina(field, "Soft"); | |
353 | r = sd_bus_message_append(m, "sv", sn, "t", l.rlim_cur); | |
354 | ||
355 | } else if (STR_IN_SET(field, | |
3dc5ca97 LP |
356 | "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting", |
357 | "TasksAccounting", "IPAccounting", "SendSIGHUP", "SendSIGKILL", "WakeSystem", | |
358 | "DefaultDependencies", "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate", | |
359 | "RemainAfterExit", "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers", | |
02638280 | 360 | "NoNewPrivileges", "SyslogLevelPrefix", "RemainAfterElapse", |
3dc5ca97 LP |
361 | "MemoryDenyWriteExecute", "RestrictRealtime", "DynamicUser", "RemoveIPC", |
362 | "ProtectKernelTunables", "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS", | |
3167f78a | 363 | "CPUSchedulingResetOnFork", "LockPersonality")) { |
20b16441 LP |
364 | |
365 | r = parse_boolean(eq); | |
366 | if (r < 0) | |
367 | return log_error_errno(r, "Failed to parse boolean assignment %s.", assignment); | |
368 | ||
369 | r = sd_bus_message_append(m, "v", "b", r); | |
370 | ||
66ebf6c0 TH |
371 | } else if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight")) { |
372 | uint64_t u; | |
373 | ||
374 | r = cg_weight_parse(eq, &u); | |
6bbfdc67 LP |
375 | if (r < 0) |
376 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
66ebf6c0 TH |
377 | |
378 | r = sd_bus_message_append(m, "v", "t", u); | |
379 | ||
20b16441 LP |
380 | } else if (STR_IN_SET(field, "CPUShares", "StartupCPUShares")) { |
381 | uint64_t u; | |
382 | ||
383 | r = cg_cpu_shares_parse(eq, &u); | |
6bbfdc67 LP |
384 | if (r < 0) |
385 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
386 | |
387 | r = sd_bus_message_append(m, "v", "t", u); | |
388 | ||
13c31542 TH |
389 | } else if (STR_IN_SET(field, "IOWeight", "StartupIOWeight")) { |
390 | uint64_t u; | |
391 | ||
392 | r = cg_weight_parse(eq, &u); | |
6bbfdc67 LP |
393 | if (r < 0) |
394 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
13c31542 TH |
395 | |
396 | r = sd_bus_message_append(m, "v", "t", u); | |
397 | ||
20b16441 LP |
398 | } else if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight")) { |
399 | uint64_t u; | |
400 | ||
3fdf9ad7 | 401 | r = cg_blkio_weight_parse(eq, &u); |
6bbfdc67 LP |
402 | if (r < 0) |
403 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
404 | |
405 | r = sd_bus_message_append(m, "v", "t", u); | |
406 | ||
407 | } else if (STR_IN_SET(field, | |
408 | "User", "Group", "DevicePolicy", "KillMode", | |
409 | "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath", | |
20b16441 LP |
410 | "Description", "Slice", "Type", "WorkingDirectory", |
411 | "RootDirectory", "SyslogIdentifier", "ProtectSystem", | |
9efb9df9 | 412 | "ProtectHome", "SELinuxContext", "Restart", "RootImage", |
b1edf445 | 413 | "NotifyAccess", "RuntimeDirectoryPreserve", "Personality", |
e7dfbb4e | 414 | "KeyringMode", "CollectMode", "FailureAction", "SuccessAction")) |
20b16441 LP |
415 | r = sd_bus_message_append(m, "v", "s", eq); |
416 | ||
08f3be7a LP |
417 | else if (streq(field, "StandardInputData")) { |
418 | _cleanup_free_ char *cleaned = NULL; | |
419 | _cleanup_free_ void *decoded = NULL; | |
420 | size_t sz; | |
421 | ||
422 | cleaned = strdup(eq); | |
423 | if (!cleaned) | |
424 | return log_oom(); | |
425 | ||
426 | delete_chars(cleaned, WHITESPACE); | |
427 | ||
428 | r = unbase64mem(cleaned, (size_t) -1, &decoded, &sz); | |
429 | if (r < 0) | |
430 | return log_error_errno(r, "Failed to decode base64 data '%s': %m", cleaned); | |
431 | ||
432 | r = sd_bus_message_open_container(m, 'v', "ay"); | |
433 | if (r < 0) | |
434 | return bus_log_create_error(r); | |
435 | ||
436 | r = sd_bus_message_append_array(m, 'y', decoded, sz); | |
437 | if (r < 0) | |
438 | return bus_log_create_error(r); | |
439 | ||
440 | r = sd_bus_message_close_container(m); | |
441 | ||
442 | } else if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) { | |
cffaed83 YW |
443 | bool ignore; |
444 | const char *s; | |
445 | ||
446 | if (eq[0] == '-') { | |
447 | ignore = true; | |
448 | s = eq + 1; | |
449 | } else { | |
450 | ignore = false; | |
451 | s = eq; | |
452 | } | |
453 | ||
454 | r = sd_bus_message_append(m, "v", "(bs)", ignore, s); | |
455 | ||
d3070fbd | 456 | } else if (STR_IN_SET(field, "SyslogLevel", "LogLevelMax")) { |
20b16441 LP |
457 | int level; |
458 | ||
459 | level = log_level_from_string(eq); | |
460 | if (level < 0) { | |
461 | log_error("Failed to parse %s value %s.", field, eq); | |
462 | return -EINVAL; | |
463 | } | |
464 | ||
465 | r = sd_bus_message_append(m, "v", "i", level); | |
466 | ||
467 | } else if (streq(field, "SyslogFacility")) { | |
468 | int facility; | |
469 | ||
470 | facility = log_facility_unshifted_from_string(eq); | |
471 | if (facility < 0) { | |
472 | log_error("Failed to parse %s value %s.", field, eq); | |
473 | return -EINVAL; | |
474 | } | |
475 | ||
476 | r = sd_bus_message_append(m, "v", "i", facility); | |
477 | ||
cffaed83 YW |
478 | } else if (streq(field, "SecureBits")) { |
479 | ||
480 | r = secure_bits_from_string(eq); | |
6bbfdc67 LP |
481 | if (r < 0) |
482 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
483 | |
484 | r = sd_bus_message_append(m, "v", "i", r); | |
485 | ||
486 | } else if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) { | |
487 | uint64_t sum = 0; | |
488 | bool invert = false; | |
489 | const char *p; | |
490 | ||
491 | p = eq; | |
492 | if (*p == '~') { | |
493 | invert = true; | |
494 | p++; | |
495 | } | |
496 | ||
497 | r = capability_set_from_string(p, &sum); | |
6bbfdc67 LP |
498 | if (r < 0) |
499 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
500 | |
501 | sum = invert ? ~sum : sum; | |
502 | ||
503 | r = sd_bus_message_append(m, "v", "t", sum); | |
504 | ||
20b16441 LP |
505 | } else if (streq(field, "DeviceAllow")) { |
506 | ||
507 | if (isempty(eq)) | |
508 | r = sd_bus_message_append(m, "v", "a(ss)", 0); | |
509 | else { | |
510 | const char *path, *rwm, *e; | |
511 | ||
512 | e = strchr(eq, ' '); | |
513 | if (e) { | |
514 | path = strndupa(eq, e - eq); | |
515 | rwm = e+1; | |
516 | } else { | |
517 | path = eq; | |
518 | rwm = ""; | |
519 | } | |
520 | ||
3ccb8862 | 521 | if (!is_deviceallow_pattern(path)) { |
20b16441 LP |
522 | log_error("%s is not a device file in /dev.", path); |
523 | return -EINVAL; | |
524 | } | |
525 | ||
526 | r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); | |
527 | } | |
528 | ||
9be57249 | 529 | } else if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) { |
20b16441 LP |
530 | |
531 | if (isempty(eq)) | |
532 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
533 | else { | |
534 | const char *path, *bandwidth, *e; | |
535 | uint64_t bytes; | |
536 | ||
537 | e = strchr(eq, ' '); | |
538 | if (e) { | |
539 | path = strndupa(eq, e - eq); | |
540 | bandwidth = e+1; | |
541 | } else { | |
542 | log_error("Failed to parse %s value %s.", field, eq); | |
543 | return -EINVAL; | |
544 | } | |
545 | ||
546 | if (!path_startswith(path, "/dev")) { | |
547 | log_error("%s is not a device file in /dev.", path); | |
548 | return -EINVAL; | |
549 | } | |
550 | ||
e57c9ce1 | 551 | if (streq(bandwidth, "infinity")) { |
13c31542 TH |
552 | bytes = CGROUP_LIMIT_MAX; |
553 | } else { | |
554 | r = parse_size(bandwidth, 1000, &bytes); | |
6bbfdc67 LP |
555 | if (r < 0) |
556 | return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth); | |
20b16441 LP |
557 | } |
558 | ||
559 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, bytes); | |
560 | } | |
561 | ||
13c31542 | 562 | } else if (STR_IN_SET(field, "IODeviceWeight", "BlockIODeviceWeight")) { |
20b16441 LP |
563 | |
564 | if (isempty(eq)) | |
565 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
566 | else { | |
567 | const char *path, *weight, *e; | |
568 | uint64_t u; | |
569 | ||
570 | e = strchr(eq, ' '); | |
571 | if (e) { | |
572 | path = strndupa(eq, e - eq); | |
573 | weight = e+1; | |
574 | } else { | |
575 | log_error("Failed to parse %s value %s.", field, eq); | |
576 | return -EINVAL; | |
577 | } | |
578 | ||
579 | if (!path_startswith(path, "/dev")) { | |
580 | log_error("%s is not a device file in /dev.", path); | |
581 | return -EINVAL; | |
582 | } | |
583 | ||
584 | r = safe_atou64(weight, &u); | |
6bbfdc67 LP |
585 | if (r < 0) |
586 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight); | |
587 | ||
096a4d53 | 588 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, u); |
20b16441 LP |
589 | } |
590 | ||
3dc5ca97 LP |
591 | } else if (STR_IN_SET(field, "IPAddressAllow", "IPAddressDeny")) { |
592 | ||
593 | if (isempty(eq)) | |
594 | r = sd_bus_message_append(m, "v", "a(iayu)", 0); | |
595 | else { | |
596 | unsigned char prefixlen; | |
597 | union in_addr_union prefix = {}; | |
598 | int family; | |
599 | ||
600 | r = sd_bus_message_open_container(m, 'v', "a(iayu)"); | |
601 | if (r < 0) | |
602 | return bus_log_create_error(r); | |
603 | ||
604 | r = sd_bus_message_open_container(m, 'a', "(iayu)"); | |
605 | if (r < 0) | |
606 | return bus_log_create_error(r); | |
607 | ||
608 | if (streq(eq, "any")) { | |
609 | /* "any" is a shortcut for 0.0.0.0/0 and ::/0 */ | |
610 | ||
611 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 0); | |
612 | if (r < 0) | |
613 | return bus_log_create_error(r); | |
614 | ||
615 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0); | |
616 | if (r < 0) | |
617 | return bus_log_create_error(r); | |
618 | ||
619 | } else if (is_localhost(eq)) { | |
620 | /* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */ | |
621 | ||
622 | prefix.in.s_addr = htobe32(0x7f000000); | |
623 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 8); | |
624 | if (r < 0) | |
625 | return bus_log_create_error(r); | |
626 | ||
627 | prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT; | |
628 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128); | |
629 | if (r < 0) | |
630 | return r; | |
631 | ||
632 | } else if (streq(eq, "link-local")) { | |
633 | ||
634 | /* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */ | |
635 | ||
636 | prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16)); | |
637 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 16); | |
638 | if (r < 0) | |
639 | return bus_log_create_error(r); | |
640 | ||
641 | prefix.in6 = (struct in6_addr) { | |
5a10b4d6 | 642 | .s6_addr32[0] = htobe32(0xfe800000) |
3dc5ca97 LP |
643 | }; |
644 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64); | |
645 | if (r < 0) | |
646 | return bus_log_create_error(r); | |
647 | ||
648 | } else if (streq(eq, "multicast")) { | |
649 | ||
650 | /* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */ | |
651 | ||
652 | prefix.in.s_addr = htobe32((UINT32_C(224) << 24)); | |
653 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 4); | |
654 | if (r < 0) | |
655 | return bus_log_create_error(r); | |
656 | ||
657 | prefix.in6 = (struct in6_addr) { | |
5a10b4d6 | 658 | .s6_addr32[0] = htobe32(0xff000000) |
3dc5ca97 LP |
659 | }; |
660 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8); | |
661 | if (r < 0) | |
662 | return bus_log_create_error(r); | |
663 | ||
664 | } else { | |
665 | r = in_addr_prefix_from_string_auto(eq, &family, &prefix, &prefixlen); | |
666 | if (r < 0) | |
667 | return log_error_errno(r, "Failed to parse IP address prefix: %s", eq); | |
668 | ||
669 | r = bus_append_ip_address_access(m, family, &prefix, prefixlen); | |
670 | if (r < 0) | |
671 | return bus_log_create_error(r); | |
672 | } | |
673 | ||
674 | r = sd_bus_message_close_container(m); | |
675 | if (r < 0) | |
676 | return bus_log_create_error(r); | |
677 | ||
678 | r = sd_bus_message_close_container(m); | |
679 | if (r < 0) | |
680 | return bus_log_create_error(r); | |
681 | } | |
682 | ||
cffaed83 YW |
683 | } else if (streq(field, "CPUSchedulingPolicy")) { |
684 | int n; | |
685 | ||
686 | n = sched_policy_from_string(eq); | |
687 | if (n < 0) | |
688 | return log_error_errno(r, "Failed to parse CPUSchedulingPolicy: %s", eq); | |
689 | ||
690 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
691 | ||
692 | } else if (streq(field, "CPUSchedulingPriority")) { | |
693 | int n; | |
694 | ||
695 | r = safe_atoi(eq, &n); | |
696 | if (r < 0) | |
697 | return log_error_errno(r, "Failed to parse CPUSchedulingPriority: %s", eq); | |
698 | if (!sched_priority_is_valid(n)) | |
699 | return log_error_errno(r, "Invalid CPUSchedulingPriority: %s", eq); | |
700 | ||
701 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
702 | ||
703 | } else if (streq(field, "CPUAffinity")) { | |
704 | _cleanup_cpu_free_ cpu_set_t *cpuset = NULL; | |
705 | int ncpus; | |
706 | ||
707 | ncpus = parse_cpu_set(eq, &cpuset); | |
708 | if (ncpus < 0) | |
709 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
710 | ||
711 | r = sd_bus_message_open_container(m, 'v', "ay"); | |
712 | if (r < 0) | |
713 | return bus_log_create_error(r); | |
714 | ||
715 | if (cpuset) | |
716 | sd_bus_message_append_array(m, 'y', cpuset, CPU_ALLOC_SIZE(ncpus)); | |
717 | ||
718 | r = sd_bus_message_close_container(m); | |
719 | ||
20b16441 | 720 | } else if (streq(field, "Nice")) { |
41bf0590 | 721 | int n; |
20b16441 | 722 | |
41bf0590 LP |
723 | r = parse_nice(eq, &n); |
724 | if (r < 0) | |
725 | return log_error_errno(r, "Failed to parse nice value: %s", eq); | |
20b16441 | 726 | |
41bf0590 | 727 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); |
20b16441 | 728 | |
cffaed83 YW |
729 | } else if (streq(field, "SystemCallFilter")) { |
730 | int whitelist; | |
3f856a28 | 731 | _cleanup_strv_free_ char **l = NULL; |
cffaed83 YW |
732 | const char *p; |
733 | ||
cffaed83 YW |
734 | p = eq; |
735 | if (*p == '~') { | |
736 | whitelist = 0; | |
737 | p++; | |
738 | } else | |
739 | whitelist = 1; | |
740 | ||
cffaed83 | 741 | if (whitelist != 0) { |
3f856a28 | 742 | r = strv_extend(&l, "@default"); |
cffaed83 | 743 | if (r < 0) |
3f856a28 | 744 | return log_oom(); |
cffaed83 YW |
745 | } |
746 | ||
747 | for (;;) { | |
748 | _cleanup_free_ char *word = NULL; | |
749 | ||
750 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
751 | if (r < 0) | |
752 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
753 | if (r == 0) | |
754 | break; | |
755 | ||
3f856a28 | 756 | r = strv_extend(&l, word); |
cffaed83 | 757 | if (r < 0) |
3f856a28 | 758 | return log_oom(); |
cffaed83 YW |
759 | } |
760 | ||
3f856a28 YW |
761 | r = sd_bus_message_open_container(m, 'v', "(bas)"); |
762 | if (r < 0) | |
763 | return bus_log_create_error(r); | |
764 | ||
765 | r = sd_bus_message_open_container(m, 'r', "bas"); | |
766 | if (r < 0) | |
767 | return bus_log_create_error(r); | |
768 | ||
769 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
770 | if (r < 0) | |
771 | return bus_log_create_error(r); | |
772 | ||
773 | r = sd_bus_message_append_strv(m, l); | |
774 | if (r < 0) | |
775 | return bus_log_create_error(r); | |
776 | ||
cffaed83 YW |
777 | r = sd_bus_message_close_container(m); |
778 | if (r < 0) | |
779 | return bus_log_create_error(r); | |
780 | ||
781 | r = sd_bus_message_close_container(m); | |
3f856a28 YW |
782 | if (r < 0) |
783 | return bus_log_create_error(r); | |
cffaed83 YW |
784 | |
785 | } else if (streq(field, "SystemCallArchitectures")) { | |
786 | const char *p; | |
787 | ||
788 | r = sd_bus_message_open_container(m, 'v', "as"); | |
789 | if (r < 0) | |
790 | return bus_log_create_error(r); | |
791 | ||
792 | r = sd_bus_message_open_container(m, 'a', "s"); | |
793 | if (r < 0) | |
794 | return bus_log_create_error(r); | |
795 | ||
796 | for (p = eq;;) { | |
797 | _cleanup_free_ char *word = NULL; | |
798 | ||
799 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
800 | if (r < 0) | |
801 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
802 | if (r == 0) | |
803 | break; | |
804 | ||
805 | r = sd_bus_message_append_basic(m, 's', word); | |
806 | if (r < 0) | |
807 | return bus_log_create_error(r); | |
808 | } | |
809 | ||
810 | r = sd_bus_message_close_container(m); | |
811 | if (r < 0) | |
812 | return bus_log_create_error(r); | |
813 | ||
814 | r = sd_bus_message_close_container(m); | |
815 | ||
816 | } else if (streq(field, "SystemCallErrorNumber")) { | |
817 | int n; | |
818 | ||
3df90f24 YW |
819 | n = parse_errno(eq); |
820 | if (n <= 0) | |
cffaed83 YW |
821 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); |
822 | ||
823 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
824 | ||
825 | } else if (streq(field, "RestrictAddressFamilies")) { | |
826 | int whitelist; | |
3f856a28 YW |
827 | _cleanup_strv_free_ char **l = NULL; |
828 | const char *p = eq; | |
cffaed83 | 829 | |
cffaed83 YW |
830 | if (*p == '~') { |
831 | whitelist = 0; | |
832 | p++; | |
833 | } else | |
834 | whitelist = 1; | |
835 | ||
cffaed83 YW |
836 | for (;;) { |
837 | _cleanup_free_ char *word = NULL; | |
838 | ||
839 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
840 | if (r < 0) | |
841 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
842 | if (r == 0) | |
843 | break; | |
844 | ||
3f856a28 | 845 | r = strv_extend(&l, word); |
cffaed83 | 846 | if (r < 0) |
3f856a28 | 847 | return log_oom(); |
cffaed83 YW |
848 | } |
849 | ||
3f856a28 YW |
850 | r = sd_bus_message_open_container(m, 'v', "(bas)"); |
851 | if (r < 0) | |
852 | return bus_log_create_error(r); | |
853 | ||
854 | r = sd_bus_message_open_container(m, 'r', "bas"); | |
855 | if (r < 0) | |
856 | return bus_log_create_error(r); | |
857 | ||
858 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
859 | if (r < 0) | |
860 | return bus_log_create_error(r); | |
861 | ||
862 | r = sd_bus_message_append_strv(m, l); | |
cffaed83 YW |
863 | if (r < 0) |
864 | return bus_log_create_error(r); | |
865 | ||
866 | r = sd_bus_message_close_container(m); | |
3f856a28 YW |
867 | if (r < 0) |
868 | return bus_log_create_error(r); | |
cffaed83 | 869 | |
3f856a28 YW |
870 | r = sd_bus_message_close_container(m); |
871 | if (r < 0) | |
872 | return bus_log_create_error(r); | |
9f617cd0 | 873 | |
9efb9df9 LP |
874 | } else if (streq(field, "FileDescriptorStoreMax")) { |
875 | unsigned u; | |
876 | ||
877 | r = safe_atou(eq, &u); | |
878 | if (r < 0) | |
879 | return log_error_errno(r, "Failed to parse file descriptor store limit: %s", eq); | |
880 | ||
881 | r = sd_bus_message_append(m, "v", "u", (uint32_t) u); | |
882 | ||
7f452159 LP |
883 | } else if (streq(field, "IOSchedulingClass")) { |
884 | int c; | |
885 | ||
886 | c = ioprio_class_from_string(eq); | |
887 | if (c < 0) | |
888 | return log_error_errno(r, "Failed to parse IO scheduling class: %s", eq); | |
889 | ||
890 | r = sd_bus_message_append(m, "v", "i", (int32_t) c); | |
891 | ||
892 | } else if (streq(field, "IOSchedulingPriority")) { | |
893 | int q; | |
894 | ||
895 | r = ioprio_parse_priority(eq, &q); | |
896 | if (r < 0) | |
897 | return log_error_errno(r, "Failed to parse IO scheduling priority: %s", eq); | |
898 | ||
899 | r = sd_bus_message_append(m, "v", "i", (int32_t) q); | |
900 | ||
00819cc1 | 901 | } else if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment")) { |
20b16441 LP |
902 | const char *p; |
903 | ||
904 | r = sd_bus_message_open_container(m, 'v', "as"); | |
905 | if (r < 0) | |
906 | return bus_log_create_error(r); | |
907 | ||
908 | r = sd_bus_message_open_container(m, 'a', "s"); | |
909 | if (r < 0) | |
910 | return bus_log_create_error(r); | |
911 | ||
c58bd76a | 912 | for (p = eq;;) { |
20b16441 LP |
913 | _cleanup_free_ char *word = NULL; |
914 | ||
915 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE); | |
6bbfdc67 LP |
916 | if (r < 0) |
917 | return log_error_errno(r, "Failed to parse Environment value %s: %m", eq); | |
20b16441 LP |
918 | if (r == 0) |
919 | break; | |
920 | ||
921 | if (streq(field, "Environment")) { | |
922 | if (!env_assignment_is_valid(word)) { | |
923 | log_error("Invalid environment assignment: %s", word); | |
924 | return -EINVAL; | |
925 | } | |
00819cc1 LP |
926 | } else if (streq(field, "UnsetEnvironment")) { |
927 | if (!env_assignment_is_valid(word) && !env_name_is_valid(word)) { | |
928 | log_error("Invalid environment name or assignment: %s", word); | |
929 | return -EINVAL; | |
930 | } | |
20b16441 LP |
931 | } else { /* PassEnvironment */ |
932 | if (!env_name_is_valid(word)) { | |
933 | log_error("Invalid environment variable name: %s", word); | |
934 | return -EINVAL; | |
935 | } | |
936 | } | |
937 | ||
938 | r = sd_bus_message_append_basic(m, 's', word); | |
939 | if (r < 0) | |
940 | return bus_log_create_error(r); | |
941 | } | |
942 | ||
943 | r = sd_bus_message_close_container(m); | |
944 | if (r < 0) | |
945 | return bus_log_create_error(r); | |
946 | ||
947 | r = sd_bus_message_close_container(m); | |
948 | ||
949 | } else if (streq(field, "KillSignal")) { | |
950 | int sig; | |
951 | ||
952 | sig = signal_from_string_try_harder(eq); | |
953 | if (sig < 0) { | |
954 | log_error("Failed to parse %s value %s.", field, eq); | |
955 | return -EINVAL; | |
956 | } | |
957 | ||
958 | r = sd_bus_message_append(m, "v", "i", sig); | |
959 | ||
960 | } else if (streq(field, "TimerSlackNSec")) { | |
961 | nsec_t n; | |
962 | ||
963 | r = parse_nsec(eq, &n); | |
6bbfdc67 LP |
964 | if (r < 0) |
965 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
966 | |
967 | r = sd_bus_message_append(m, "v", "t", n); | |
968 | } else if (streq(field, "OOMScoreAdjust")) { | |
969 | int oa; | |
970 | ||
971 | r = safe_atoi(eq, &oa); | |
6bbfdc67 LP |
972 | if (r < 0) |
973 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
974 | |
975 | if (!oom_score_adjust_is_valid(oa)) { | |
976 | log_error("OOM score adjust value out of range"); | |
977 | return -EINVAL; | |
978 | } | |
979 | ||
980 | r = sd_bus_message_append(m, "v", "i", oa); | |
2a624c36 AP |
981 | } else if (STR_IN_SET(field, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories", |
982 | "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) { | |
20b16441 LP |
983 | const char *p; |
984 | ||
985 | r = sd_bus_message_open_container(m, 'v', "as"); | |
986 | if (r < 0) | |
987 | return bus_log_create_error(r); | |
988 | ||
989 | r = sd_bus_message_open_container(m, 'a', "s"); | |
990 | if (r < 0) | |
991 | return bus_log_create_error(r); | |
992 | ||
c58bd76a | 993 | for (p = eq;;) { |
20b16441 | 994 | _cleanup_free_ char *word = NULL; |
20b7a007 | 995 | size_t offset; |
20b16441 LP |
996 | |
997 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
6bbfdc67 LP |
998 | if (r < 0) |
999 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
1000 | if (r == 0) |
1001 | break; | |
1002 | ||
1003 | if (!utf8_is_valid(word)) { | |
1004 | log_error("Failed to parse %s value %s", field, eq); | |
1005 | return -EINVAL; | |
1006 | } | |
1007 | ||
1008 | offset = word[0] == '-'; | |
20b7a007 LP |
1009 | offset += word[offset] == '+'; |
1010 | ||
20b16441 LP |
1011 | if (!path_is_absolute(word + offset)) { |
1012 | log_error("Failed to parse %s value %s", field, eq); | |
1013 | return -EINVAL; | |
1014 | } | |
1015 | ||
1016 | path_kill_slashes(word + offset); | |
1017 | ||
1018 | r = sd_bus_message_append_basic(m, 's', word); | |
1019 | if (r < 0) | |
1020 | return bus_log_create_error(r); | |
1021 | } | |
1022 | ||
1023 | r = sd_bus_message_close_container(m); | |
1024 | if (r < 0) | |
1025 | return bus_log_create_error(r); | |
1026 | ||
1027 | r = sd_bus_message_close_container(m); | |
1028 | ||
cffaed83 YW |
1029 | } else if (streq(field, "SupplementaryGroups")) { |
1030 | const char *p; | |
1031 | ||
1032 | r = sd_bus_message_open_container(m, 'v', "as"); | |
1033 | if (r < 0) | |
1034 | return bus_log_create_error(r); | |
1035 | ||
1036 | r = sd_bus_message_open_container(m, 'a', "s"); | |
1037 | if (r < 0) | |
1038 | return bus_log_create_error(r); | |
1039 | ||
1040 | for (p = eq;;) { | |
1041 | _cleanup_free_ char *word = NULL; | |
1042 | ||
1043 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
6bbfdc67 LP |
1044 | if (r < 0) |
1045 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
1046 | if (r == 0) |
1047 | break; | |
1048 | ||
1049 | if (!valid_user_group_name_or_id(word)) { | |
1050 | log_error("Failed to parse %s value %s", field, eq); | |
1051 | return -EINVAL; | |
1052 | } | |
1053 | ||
1054 | r = sd_bus_message_append_basic(m, 's', word); | |
1055 | if (r < 0) | |
1056 | return bus_log_create_error(r); | |
1057 | } | |
1058 | ||
1059 | r = sd_bus_message_close_container(m); | |
1060 | if (r < 0) | |
1061 | return bus_log_create_error(r); | |
1062 | ||
1063 | r = sd_bus_message_close_container(m); | |
1064 | ||
1065 | } else if (STR_IN_SET(field, "RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode", "LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask")) { | |
53f47dfc YW |
1066 | mode_t mode; |
1067 | ||
1068 | r = parse_mode(eq, &mode); | |
1069 | if (r < 0) | |
1070 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
1071 | ||
1072 | r = sd_bus_message_append(m, "v", "u", mode); | |
1073 | ||
3536f49e | 1074 | } else if (STR_IN_SET(field, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) { |
20b16441 LP |
1075 | const char *p; |
1076 | ||
1077 | r = sd_bus_message_open_container(m, 'v', "as"); | |
1078 | if (r < 0) | |
1079 | return bus_log_create_error(r); | |
1080 | ||
1081 | r = sd_bus_message_open_container(m, 'a', "s"); | |
1082 | if (r < 0) | |
1083 | return bus_log_create_error(r); | |
1084 | ||
c58bd76a | 1085 | for (p = eq;;) { |
20b16441 LP |
1086 | _cleanup_free_ char *word = NULL; |
1087 | ||
1088 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
091e9efe LP |
1089 | if (r == -ENOMEM) |
1090 | return log_oom(); | |
20b16441 LP |
1091 | if (r < 0) |
1092 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
20b16441 LP |
1093 | if (r == 0) |
1094 | break; | |
1095 | ||
1096 | r = sd_bus_message_append_basic(m, 's', word); | |
1097 | if (r < 0) | |
1098 | return bus_log_create_error(r); | |
1099 | } | |
1100 | ||
1101 | r = sd_bus_message_close_container(m); | |
1102 | if (r < 0) | |
1103 | return bus_log_create_error(r); | |
1104 | ||
1105 | r = sd_bus_message_close_container(m); | |
1106 | ||
add00535 LP |
1107 | } else if (streq(field, "RestrictNamespaces")) { |
1108 | bool invert = false; | |
0d7578dc | 1109 | unsigned long flags = 0; |
add00535 LP |
1110 | |
1111 | if (eq[0] == '~') { | |
1112 | invert = true; | |
1113 | eq++; | |
1114 | } | |
1115 | ||
1116 | r = parse_boolean(eq); | |
1117 | if (r > 0) | |
1118 | flags = 0; | |
1119 | else if (r == 0) | |
1120 | flags = NAMESPACE_FLAGS_ALL; | |
1121 | else { | |
1122 | r = namespace_flag_from_string_many(eq, &flags); | |
1123 | if (r < 0) | |
1124 | return log_error_errno(r, "Failed to parse %s value %s.", field, eq); | |
1125 | } | |
1126 | ||
1127 | if (invert) | |
1128 | flags = (~flags) & NAMESPACE_FLAGS_ALL; | |
1129 | ||
0d7578dc | 1130 | r = sd_bus_message_append(m, "v", "t", (uint64_t) flags); |
289188ca LP |
1131 | } else if ((dep = unit_dependency_from_string(field)) >= 0) |
1132 | r = sd_bus_message_append(m, "v", "as", 1, eq); | |
83555251 LP |
1133 | else if (streq(field, "MountFlags")) { |
1134 | unsigned long f; | |
1135 | ||
c7383828 ZJS |
1136 | r = mount_propagation_flags_from_string(eq, &f); |
1137 | if (r < 0) | |
1138 | return log_error_errno(r, "Failed to parse mount propagation flags: %s", eq); | |
83555251 | 1139 | |
b9e2d822 | 1140 | r = sd_bus_message_append(m, "v", "t", (uint64_t) f); |
d2d6c096 LP |
1141 | } else if (STR_IN_SET(field, "BindPaths", "BindReadOnlyPaths")) { |
1142 | const char *p = eq; | |
1143 | ||
1144 | r = sd_bus_message_open_container(m, 'v', "a(ssbt)"); | |
1145 | if (r < 0) | |
1146 | return r; | |
1147 | ||
1148 | r = sd_bus_message_open_container(m, 'a', "(ssbt)"); | |
1149 | if (r < 0) | |
1150 | return r; | |
1151 | ||
1152 | for (;;) { | |
1153 | _cleanup_free_ char *source = NULL, *destination = NULL; | |
1154 | char *s = NULL, *d = NULL; | |
1155 | bool ignore_enoent = false; | |
1156 | uint64_t flags = MS_REC; | |
1157 | ||
1158 | r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
1159 | if (r < 0) | |
1160 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1161 | if (r == 0) | |
1162 | break; | |
1163 | ||
1164 | s = source; | |
1165 | if (s[0] == '-') { | |
1166 | ignore_enoent = true; | |
1167 | s++; | |
1168 | } | |
1169 | ||
1170 | if (p && p[-1] == ':') { | |
1171 | r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
1172 | if (r < 0) | |
1173 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1174 | if (r == 0) { | |
1175 | log_error("Missing argument after ':': %s", eq); | |
1176 | return -EINVAL; | |
1177 | } | |
1178 | ||
1179 | d = destination; | |
1180 | ||
1181 | if (p && p[-1] == ':') { | |
1182 | _cleanup_free_ char *options = NULL; | |
1183 | ||
1184 | r = extract_first_word(&p, &options, NULL, EXTRACT_QUOTES); | |
1185 | if (r < 0) | |
1186 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1187 | ||
1188 | if (isempty(options) || streq(options, "rbind")) | |
1189 | flags = MS_REC; | |
1190 | else if (streq(options, "norbind")) | |
1191 | flags = 0; | |
1192 | else { | |
1193 | log_error("Unknown options: %s", eq); | |
1194 | return -EINVAL; | |
1195 | } | |
1196 | } | |
1197 | } else | |
1198 | d = s; | |
1199 | ||
1200 | ||
1201 | r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags); | |
1202 | if (r < 0) | |
1203 | return r; | |
1204 | } | |
1205 | ||
1206 | r = sd_bus_message_close_container(m); | |
1207 | if (r < 0) | |
1208 | return r; | |
1209 | ||
1210 | r = sd_bus_message_close_container(m); | |
f6c66be1 LP |
1211 | |
1212 | } else if (STR_IN_SET(field, "ExecStartPre", "ExecStart", "ExecStartPost", | |
1213 | "ExecReload", "ExecStop", "ExecStopPost")) { | |
1214 | ||
1215 | bool ignore_failure = false, explicit_path = false, done = false; | |
1216 | _cleanup_strv_free_ char **l = NULL; | |
1217 | _cleanup_free_ char *path = NULL; | |
1218 | ||
1219 | do { | |
1220 | switch (*eq) { | |
1221 | ||
1222 | case '-': | |
1223 | if (ignore_failure) | |
1224 | done = true; | |
1225 | else { | |
1226 | ignore_failure = true; | |
1227 | eq++; | |
1228 | } | |
1229 | break; | |
1230 | ||
1231 | case '@': | |
1232 | if (explicit_path) | |
1233 | done = true; | |
1234 | else { | |
1235 | explicit_path = true; | |
1236 | eq++; | |
1237 | } | |
1238 | break; | |
1239 | ||
1240 | case '+': | |
1241 | case '!': | |
1242 | /* The bus API doesn't support +, ! and !! currently, unfortunately. :-( */ | |
1243 | log_error("Sorry, but +, ! and !! are currently not supported for transient services."); | |
1244 | return -EOPNOTSUPP; | |
1245 | ||
1246 | default: | |
1247 | done = true; | |
1248 | break; | |
1249 | } | |
1250 | } while(!done); | |
1251 | ||
1252 | if (explicit_path) { | |
1253 | r = extract_first_word(&eq, &path, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE); | |
1254 | if (r < 0) | |
1255 | return log_error_errno(r, "Failed to parse path: %m"); | |
1256 | } | |
1257 | ||
1258 | r = strv_split_extract(&l, eq, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE); | |
1259 | if (r < 0) | |
1260 | return log_error_errno(r, "Failed to parse command line: %m"); | |
1261 | ||
1262 | r = sd_bus_message_open_container(m, 'v', "a(sasb)"); | |
1263 | if (r < 0) | |
1264 | return r; | |
1265 | ||
1266 | r = sd_bus_message_open_container(m, 'a', "(sasb)"); | |
1267 | if (r < 0) | |
1268 | return r; | |
1269 | ||
1270 | if (strv_length(l) > 0) { | |
1271 | ||
1272 | r = sd_bus_message_open_container(m, 'r', "sasb"); | |
1273 | if (r < 0) | |
1274 | return r; | |
1275 | ||
1276 | r = sd_bus_message_append(m, "s", path ?: l[0]); | |
1277 | if (r < 0) | |
1278 | return r; | |
1279 | ||
1280 | r = sd_bus_message_append_strv(m, l); | |
1281 | if (r < 0) | |
1282 | return r; | |
1283 | ||
1284 | r = sd_bus_message_append(m, "b", ignore_failure); | |
1285 | if (r < 0) | |
1286 | return r; | |
1287 | ||
1288 | r = sd_bus_message_close_container(m); | |
1289 | if (r < 0) | |
1290 | return r; | |
1291 | } | |
1292 | ||
1293 | r = sd_bus_message_close_container(m); | |
1294 | if (r < 0) | |
1295 | return r; | |
1296 | ||
1297 | r = sd_bus_message_close_container(m); | |
1298 | ||
83555251 | 1299 | } else { |
20b16441 LP |
1300 | log_error("Unknown assignment %s.", assignment); |
1301 | return -EINVAL; | |
1302 | } | |
1303 | ||
1304 | finish: | |
1305 | if (r < 0) | |
1306 | return bus_log_create_error(r); | |
1307 | ||
1308 | r = sd_bus_message_close_container(m); | |
1309 | if (r < 0) | |
1310 | return bus_log_create_error(r); | |
1311 | ||
1312 | return 0; | |
1313 | } | |
1314 | ||
8673cf13 LP |
1315 | int bus_append_unit_property_assignment_many(sd_bus_message *m, char **l) { |
1316 | char **i; | |
1317 | int r; | |
1318 | ||
1319 | assert(m); | |
1320 | ||
1321 | STRV_FOREACH(i, l) { | |
1322 | r = bus_append_unit_property_assignment(m, *i); | |
1323 | if (r < 0) | |
1324 | return r; | |
1325 | } | |
1326 | ||
1327 | return 0; | |
1328 | } | |
1329 | ||
20b16441 LP |
1330 | typedef struct BusWaitForJobs { |
1331 | sd_bus *bus; | |
1332 | Set *jobs; | |
1333 | ||
1334 | char *name; | |
1335 | char *result; | |
1336 | ||
1337 | sd_bus_slot *slot_job_removed; | |
1338 | sd_bus_slot *slot_disconnected; | |
1339 | } BusWaitForJobs; | |
1340 | ||
1341 | static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1342 | assert(m); | |
1343 | ||
1344 | log_error("Warning! D-Bus connection terminated."); | |
1345 | sd_bus_close(sd_bus_message_get_bus(m)); | |
1346 | ||
1347 | return 0; | |
1348 | } | |
1349 | ||
1350 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1351 | const char *path, *unit, *result; | |
1352 | BusWaitForJobs *d = userdata; | |
1353 | uint32_t id; | |
1354 | char *found; | |
1355 | int r; | |
1356 | ||
1357 | assert(m); | |
1358 | assert(d); | |
1359 | ||
1360 | r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result); | |
1361 | if (r < 0) { | |
1362 | bus_log_parse_error(r); | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | found = set_remove(d->jobs, (char*) path); | |
1367 | if (!found) | |
1368 | return 0; | |
1369 | ||
1370 | free(found); | |
1371 | ||
1372 | if (!isempty(result)) | |
1373 | d->result = strdup(result); | |
1374 | ||
1375 | if (!isempty(unit)) | |
1376 | d->name = strdup(unit); | |
1377 | ||
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | void bus_wait_for_jobs_free(BusWaitForJobs *d) { | |
1382 | if (!d) | |
1383 | return; | |
1384 | ||
1385 | set_free_free(d->jobs); | |
1386 | ||
1387 | sd_bus_slot_unref(d->slot_disconnected); | |
1388 | sd_bus_slot_unref(d->slot_job_removed); | |
1389 | ||
1390 | sd_bus_unref(d->bus); | |
1391 | ||
1392 | free(d->name); | |
1393 | free(d->result); | |
1394 | ||
1395 | free(d); | |
1396 | } | |
1397 | ||
1398 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) { | |
1399 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL; | |
1400 | int r; | |
1401 | ||
1402 | assert(bus); | |
1403 | assert(ret); | |
1404 | ||
1405 | d = new0(BusWaitForJobs, 1); | |
1406 | if (!d) | |
1407 | return -ENOMEM; | |
1408 | ||
1409 | d->bus = sd_bus_ref(bus); | |
1410 | ||
1411 | /* When we are a bus client we match by sender. Direct | |
1412 | * connections OTOH have no initialized sender field, and | |
1413 | * hence we ignore the sender then */ | |
1414 | r = sd_bus_add_match( | |
1415 | bus, | |
1416 | &d->slot_job_removed, | |
1417 | bus->bus_client ? | |
1418 | "type='signal'," | |
1419 | "sender='org.freedesktop.systemd1'," | |
1420 | "interface='org.freedesktop.systemd1.Manager'," | |
1421 | "member='JobRemoved'," | |
1422 | "path='/org/freedesktop/systemd1'" : | |
1423 | "type='signal'," | |
1424 | "interface='org.freedesktop.systemd1.Manager'," | |
1425 | "member='JobRemoved'," | |
1426 | "path='/org/freedesktop/systemd1'", | |
1427 | match_job_removed, d); | |
1428 | if (r < 0) | |
1429 | return r; | |
1430 | ||
1431 | r = sd_bus_add_match( | |
1432 | bus, | |
1433 | &d->slot_disconnected, | |
1434 | "type='signal'," | |
1435 | "sender='org.freedesktop.DBus.Local'," | |
1436 | "interface='org.freedesktop.DBus.Local'," | |
1437 | "member='Disconnected'", | |
1438 | match_disconnected, d); | |
1439 | if (r < 0) | |
1440 | return r; | |
1441 | ||
1442 | *ret = d; | |
1443 | d = NULL; | |
1444 | ||
1445 | return 0; | |
1446 | } | |
1447 | ||
1448 | static int bus_process_wait(sd_bus *bus) { | |
1449 | int r; | |
1450 | ||
1451 | for (;;) { | |
1452 | r = sd_bus_process(bus, NULL); | |
1453 | if (r < 0) | |
1454 | return r; | |
1455 | if (r > 0) | |
1456 | return 0; | |
1457 | ||
1458 | r = sd_bus_wait(bus, (uint64_t) -1); | |
1459 | if (r < 0) | |
1460 | return r; | |
1461 | } | |
1462 | } | |
1463 | ||
1464 | static int bus_job_get_service_result(BusWaitForJobs *d, char **result) { | |
1465 | _cleanup_free_ char *dbus_path = NULL; | |
1466 | ||
1467 | assert(d); | |
1468 | assert(d->name); | |
1469 | assert(result); | |
1470 | ||
bd5a1c91 LP |
1471 | if (!endswith(d->name, ".service")) |
1472 | return -EINVAL; | |
1473 | ||
20b16441 LP |
1474 | dbus_path = unit_dbus_path_from_name(d->name); |
1475 | if (!dbus_path) | |
1476 | return -ENOMEM; | |
1477 | ||
1478 | return sd_bus_get_property_string(d->bus, | |
1479 | "org.freedesktop.systemd1", | |
1480 | dbus_path, | |
1481 | "org.freedesktop.systemd1.Service", | |
1482 | "Result", | |
1483 | NULL, | |
1484 | result); | |
1485 | } | |
1486 | ||
1487 | static const struct { | |
1488 | const char *result, *explanation; | |
1489 | } explanations [] = { | |
0b2de9d9 | 1490 | { "resources", "of unavailable resources or another system error" }, |
7ed0a4c5 | 1491 | { "protocol", "the service did not take the steps required by its unit configuration" }, |
20b16441 LP |
1492 | { "timeout", "a timeout was exceeded" }, |
1493 | { "exit-code", "the control process exited with error code" }, | |
1494 | { "signal", "a fatal signal was delivered to the control process" }, | |
1495 | { "core-dump", "a fatal signal was delivered causing the control process to dump core" }, | |
1496 | { "watchdog", "the service failed to send watchdog ping" }, | |
1497 | { "start-limit", "start of the service was attempted too often" } | |
1498 | }; | |
1499 | ||
1500 | static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) { | |
1501 | _cleanup_free_ char *service_shell_quoted = NULL; | |
1502 | const char *systemctl = "systemctl", *journalctl = "journalctl"; | |
1503 | ||
1504 | assert(service); | |
1505 | ||
804ee07c | 1506 | service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH); |
20b16441 | 1507 | |
3a58ca47 | 1508 | if (!strv_isempty((char**) extra_args)) { |
20b16441 LP |
1509 | _cleanup_free_ char *t; |
1510 | ||
1511 | t = strv_join((char**) extra_args, " "); | |
1512 | systemctl = strjoina("systemctl ", t ? : "<args>"); | |
1513 | journalctl = strjoina("journalctl ", t ? : "<args>"); | |
1514 | } | |
1515 | ||
1516 | if (!isempty(result)) { | |
1517 | unsigned i; | |
1518 | ||
1519 | for (i = 0; i < ELEMENTSOF(explanations); ++i) | |
1520 | if (streq(result, explanations[i].result)) | |
1521 | break; | |
1522 | ||
1523 | if (i < ELEMENTSOF(explanations)) { | |
1524 | log_error("Job for %s failed because %s.\n" | |
1525 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1526 | service, | |
1527 | explanations[i].explanation, | |
1528 | systemctl, | |
1529 | service_shell_quoted ?: "<service>", | |
1530 | journalctl); | |
1531 | goto finish; | |
1532 | } | |
1533 | } | |
1534 | ||
1535 | log_error("Job for %s failed.\n" | |
1536 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1537 | service, | |
1538 | systemctl, | |
1539 | service_shell_quoted ?: "<service>", | |
1540 | journalctl); | |
1541 | ||
1542 | finish: | |
1543 | /* For some results maybe additional explanation is required */ | |
1544 | if (streq_ptr(result, "start-limit")) | |
1545 | log_info("To force a start use \"%1$s reset-failed %2$s\"\n" | |
1546 | "followed by \"%1$s start %2$s\" again.", | |
1547 | systemctl, | |
1548 | service_shell_quoted ?: "<service>"); | |
1549 | } | |
1550 | ||
1551 | static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1552 | int r = 0; | |
1553 | ||
1554 | assert(d->result); | |
1555 | ||
1556 | if (!quiet) { | |
1557 | if (streq(d->result, "canceled")) | |
1558 | log_error("Job for %s canceled.", strna(d->name)); | |
1559 | else if (streq(d->result, "timeout")) | |
1560 | log_error("Job for %s timed out.", strna(d->name)); | |
1561 | else if (streq(d->result, "dependency")) | |
1562 | log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name)); | |
1563 | else if (streq(d->result, "invalid")) | |
1564 | log_error("%s is not active, cannot reload.", strna(d->name)); | |
1565 | else if (streq(d->result, "assert")) | |
1566 | log_error("Assertion failed on job for %s.", strna(d->name)); | |
1567 | else if (streq(d->result, "unsupported")) | |
1568 | log_error("Operation on or unit type of %s not supported on this system.", strna(d->name)); | |
c5a97ed1 LP |
1569 | else if (streq(d->result, "collected")) |
1570 | log_error("Queued job for %s was garbage collected.", strna(d->name)); | |
ae835bc7 | 1571 | else if (!STR_IN_SET(d->result, "done", "skipped")) { |
20b16441 | 1572 | if (d->name) { |
20b16441 | 1573 | _cleanup_free_ char *result = NULL; |
bd5a1c91 | 1574 | int q; |
20b16441 LP |
1575 | |
1576 | q = bus_job_get_service_result(d, &result); | |
1577 | if (q < 0) | |
bd5a1c91 | 1578 | log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name); |
20b16441 LP |
1579 | |
1580 | log_job_error_with_service_result(d->name, result, extra_args); | |
1581 | } else | |
1582 | log_error("Job failed. See \"journalctl -xe\" for details."); | |
1583 | } | |
1584 | } | |
1585 | ||
c5a97ed1 | 1586 | if (STR_IN_SET(d->result, "canceled", "collected")) |
20b16441 LP |
1587 | r = -ECANCELED; |
1588 | else if (streq(d->result, "timeout")) | |
1589 | r = -ETIME; | |
1590 | else if (streq(d->result, "dependency")) | |
1591 | r = -EIO; | |
1592 | else if (streq(d->result, "invalid")) | |
1593 | r = -ENOEXEC; | |
1594 | else if (streq(d->result, "assert")) | |
1595 | r = -EPROTO; | |
1596 | else if (streq(d->result, "unsupported")) | |
1597 | r = -EOPNOTSUPP; | |
ae835bc7 | 1598 | else if (!STR_IN_SET(d->result, "done", "skipped")) |
20b16441 LP |
1599 | r = -EIO; |
1600 | ||
1601 | return r; | |
1602 | } | |
1603 | ||
1604 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1605 | int r = 0; | |
1606 | ||
1607 | assert(d); | |
1608 | ||
1609 | while (!set_isempty(d->jobs)) { | |
1610 | int q; | |
1611 | ||
1612 | q = bus_process_wait(d->bus); | |
1613 | if (q < 0) | |
1614 | return log_error_errno(q, "Failed to wait for response: %m"); | |
1615 | ||
1616 | if (d->result) { | |
1617 | q = check_wait_response(d, quiet, extra_args); | |
1618 | /* Return the first error as it is most likely to be | |
1619 | * meaningful. */ | |
1620 | if (q < 0 && r == 0) | |
1621 | r = q; | |
1622 | ||
1623 | log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name)); | |
1624 | } | |
1625 | ||
1626 | d->name = mfree(d->name); | |
1627 | d->result = mfree(d->result); | |
1628 | } | |
1629 | ||
1630 | return r; | |
1631 | } | |
1632 | ||
1633 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) { | |
1634 | int r; | |
1635 | ||
1636 | assert(d); | |
1637 | ||
1638 | r = set_ensure_allocated(&d->jobs, &string_hash_ops); | |
1639 | if (r < 0) | |
1640 | return r; | |
1641 | ||
1642 | return set_put_strdup(d->jobs, path); | |
1643 | } | |
1644 | ||
1645 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) { | |
1646 | int r; | |
1647 | ||
1648 | r = bus_wait_for_jobs_add(d, path); | |
1649 | if (r < 0) | |
1650 | return log_oom(); | |
1651 | ||
1652 | return bus_wait_for_jobs(d, quiet, NULL); | |
1653 | } | |
1654 | ||
1655 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes) { | |
1656 | const char *type, *path, *source; | |
1657 | int r; | |
1658 | ||
acc0269c CH |
1659 | /* changes is dereferenced when calling unit_file_dump_changes() later, |
1660 | * so we have to make sure this is not NULL. */ | |
1661 | assert(changes); | |
1662 | assert(n_changes); | |
1663 | ||
20b16441 LP |
1664 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); |
1665 | if (r < 0) | |
1666 | return bus_log_parse_error(r); | |
1667 | ||
1668 | while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { | |
1669 | /* We expect only "success" changes to be sent over the bus. | |
1670 | Hence, reject anything negative. */ | |
1671 | UnitFileChangeType ch = unit_file_change_type_from_string(type); | |
1672 | ||
1673 | if (ch < 0) { | |
1674 | log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path); | |
1675 | continue; | |
1676 | } | |
1677 | ||
1678 | r = unit_file_changes_add(changes, n_changes, ch, path, source); | |
1679 | if (r < 0) | |
1680 | return r; | |
1681 | } | |
1682 | if (r < 0) | |
1683 | return bus_log_parse_error(r); | |
1684 | ||
1685 | r = sd_bus_message_exit_container(m); | |
1686 | if (r < 0) | |
1687 | return bus_log_parse_error(r); | |
1688 | ||
35d379b2 | 1689 | unit_file_dump_changes(0, NULL, *changes, *n_changes, quiet); |
20b16441 LP |
1690 | return 0; |
1691 | } | |
1692 | ||
291d565a LP |
1693 | struct CGroupInfo { |
1694 | char *cgroup_path; | |
1695 | bool is_const; /* If false, cgroup_path should be free()'d */ | |
1696 | ||
1697 | Hashmap *pids; /* PID → process name */ | |
1698 | bool done; | |
1699 | ||
1700 | struct CGroupInfo *parent; | |
1701 | LIST_FIELDS(struct CGroupInfo, siblings); | |
1702 | LIST_HEAD(struct CGroupInfo, children); | |
1703 | size_t n_children; | |
1704 | }; | |
1705 | ||
1706 | static bool IS_ROOT(const char *p) { | |
1707 | return isempty(p) || streq(p, "/"); | |
1708 | } | |
1709 | ||
1710 | static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) { | |
1711 | struct CGroupInfo *parent = NULL, *cg; | |
1712 | int r; | |
1713 | ||
1714 | assert(cgroups); | |
1715 | assert(ret); | |
1716 | ||
1717 | if (IS_ROOT(path)) | |
1718 | path = "/"; | |
1719 | ||
1720 | cg = hashmap_get(cgroups, path); | |
1721 | if (cg) { | |
1722 | *ret = cg; | |
1723 | return 0; | |
1724 | } | |
1725 | ||
1726 | if (!IS_ROOT(path)) { | |
1727 | const char *e, *pp; | |
1728 | ||
1729 | e = strrchr(path, '/'); | |
1730 | if (!e) | |
1731 | return -EINVAL; | |
1732 | ||
1733 | pp = strndupa(path, e - path); | |
1734 | if (!pp) | |
1735 | return -ENOMEM; | |
1736 | ||
1737 | r = add_cgroup(cgroups, pp, false, &parent); | |
1738 | if (r < 0) | |
1739 | return r; | |
1740 | } | |
1741 | ||
1742 | cg = new0(struct CGroupInfo, 1); | |
1743 | if (!cg) | |
1744 | return -ENOMEM; | |
1745 | ||
1746 | if (is_const) | |
1747 | cg->cgroup_path = (char*) path; | |
1748 | else { | |
1749 | cg->cgroup_path = strdup(path); | |
1750 | if (!cg->cgroup_path) { | |
1751 | free(cg); | |
1752 | return -ENOMEM; | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | cg->is_const = is_const; | |
1757 | cg->parent = parent; | |
1758 | ||
1759 | r = hashmap_put(cgroups, cg->cgroup_path, cg); | |
1760 | if (r < 0) { | |
1761 | if (!is_const) | |
1762 | free(cg->cgroup_path); | |
1763 | free(cg); | |
1764 | return r; | |
1765 | } | |
1766 | ||
1767 | if (parent) { | |
1768 | LIST_PREPEND(siblings, parent->children, cg); | |
1769 | parent->n_children++; | |
1770 | } | |
1771 | ||
1772 | *ret = cg; | |
1773 | return 1; | |
1774 | } | |
1775 | ||
1776 | static int add_process( | |
1777 | Hashmap *cgroups, | |
1778 | const char *path, | |
1779 | pid_t pid, | |
1780 | const char *name) { | |
1781 | ||
1782 | struct CGroupInfo *cg; | |
1783 | int r; | |
1784 | ||
1785 | assert(cgroups); | |
1786 | assert(name); | |
1787 | assert(pid > 0); | |
1788 | ||
1789 | r = add_cgroup(cgroups, path, true, &cg); | |
1790 | if (r < 0) | |
1791 | return r; | |
1792 | ||
1793 | r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops); | |
1794 | if (r < 0) | |
1795 | return r; | |
1796 | ||
1797 | return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name); | |
1798 | } | |
1799 | ||
1800 | static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) { | |
1801 | assert(cgroups); | |
1802 | assert(cg); | |
1803 | ||
1804 | while (cg->children) | |
1805 | remove_cgroup(cgroups, cg->children); | |
1806 | ||
1807 | hashmap_remove(cgroups, cg->cgroup_path); | |
1808 | ||
1809 | if (!cg->is_const) | |
1810 | free(cg->cgroup_path); | |
1811 | ||
1812 | hashmap_free(cg->pids); | |
1813 | ||
1814 | if (cg->parent) | |
1815 | LIST_REMOVE(siblings, cg->parent->children, cg); | |
1816 | ||
1817 | free(cg); | |
1818 | } | |
1819 | ||
1820 | static int cgroup_info_compare_func(const void *a, const void *b) { | |
1821 | const struct CGroupInfo *x = *(const struct CGroupInfo* const*) a, *y = *(const struct CGroupInfo* const*) b; | |
1822 | ||
1823 | assert(x); | |
1824 | assert(y); | |
1825 | ||
1826 | return strcmp(x->cgroup_path, y->cgroup_path); | |
1827 | } | |
1828 | ||
1829 | static int dump_processes( | |
1830 | Hashmap *cgroups, | |
1831 | const char *cgroup_path, | |
1832 | const char *prefix, | |
1833 | unsigned n_columns, | |
1834 | OutputFlags flags) { | |
1835 | ||
1836 | struct CGroupInfo *cg; | |
1837 | int r; | |
1838 | ||
1839 | assert(prefix); | |
1840 | ||
1841 | if (IS_ROOT(cgroup_path)) | |
1842 | cgroup_path = "/"; | |
1843 | ||
1844 | cg = hashmap_get(cgroups, cgroup_path); | |
1845 | if (!cg) | |
1846 | return 0; | |
1847 | ||
1848 | if (!hashmap_isempty(cg->pids)) { | |
1849 | const char *name; | |
1850 | size_t n = 0, i; | |
1851 | pid_t *pids; | |
1852 | void *pidp; | |
1853 | Iterator j; | |
1854 | int width; | |
1855 | ||
1856 | /* Order processes by their PID */ | |
1857 | pids = newa(pid_t, hashmap_size(cg->pids)); | |
1858 | ||
1859 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) | |
1860 | pids[n++] = PTR_TO_PID(pidp); | |
1861 | ||
1862 | assert(n == hashmap_size(cg->pids)); | |
1863 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1864 | ||
1865 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1866 | ||
1867 | for (i = 0; i < n; i++) { | |
1868 | _cleanup_free_ char *e = NULL; | |
1869 | const char *special; | |
1870 | bool more; | |
1871 | ||
1872 | name = hashmap_get(cg->pids, PID_TO_PTR(pids[i])); | |
1873 | assert(name); | |
1874 | ||
1875 | if (n_columns != 0) { | |
1876 | unsigned k; | |
1877 | ||
1878 | k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
1879 | ||
1880 | e = ellipsize(name, k, 100); | |
1881 | if (e) | |
1882 | name = e; | |
1883 | } | |
1884 | ||
1885 | more = i+1 < n || cg->children; | |
323b7dc9 | 1886 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1887 | |
1888 | fprintf(stdout, "%s%s%*"PID_PRI" %s\n", | |
1889 | prefix, | |
1890 | special, | |
1891 | width, pids[i], | |
1892 | name); | |
1893 | } | |
1894 | } | |
1895 | ||
1896 | if (cg->children) { | |
1897 | struct CGroupInfo **children, *child; | |
1898 | size_t n = 0, i; | |
1899 | ||
1900 | /* Order subcgroups by their name */ | |
1901 | children = newa(struct CGroupInfo*, cg->n_children); | |
1902 | LIST_FOREACH(siblings, child, cg->children) | |
1903 | children[n++] = child; | |
1904 | assert(n == cg->n_children); | |
1905 | qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func); | |
1906 | ||
7351ded5 IL |
1907 | if (n_columns != 0) |
1908 | n_columns = MAX(LESS_BY(n_columns, 2U), 20U); | |
291d565a LP |
1909 | |
1910 | for (i = 0; i < n; i++) { | |
1911 | _cleanup_free_ char *pp = NULL; | |
1912 | const char *name, *special; | |
1913 | bool more; | |
1914 | ||
1915 | child = children[i]; | |
1916 | ||
1917 | name = strrchr(child->cgroup_path, '/'); | |
1918 | if (!name) | |
1919 | return -EINVAL; | |
1920 | name++; | |
1921 | ||
1922 | more = i+1 < n; | |
323b7dc9 | 1923 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1924 | |
1925 | fputs(prefix, stdout); | |
1926 | fputs(special, stdout); | |
1927 | fputs(name, stdout); | |
1928 | fputc('\n', stdout); | |
1929 | ||
323b7dc9 | 1930 | special = special_glyph(more ? TREE_VERTICAL : TREE_SPACE); |
291d565a LP |
1931 | |
1932 | pp = strappend(prefix, special); | |
1933 | if (!pp) | |
1934 | return -ENOMEM; | |
1935 | ||
1936 | r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags); | |
1937 | if (r < 0) | |
1938 | return r; | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | cg->done = true; | |
1943 | return 0; | |
1944 | } | |
1945 | ||
1946 | static int dump_extra_processes( | |
1947 | Hashmap *cgroups, | |
1948 | const char *prefix, | |
1949 | unsigned n_columns, | |
1950 | OutputFlags flags) { | |
1951 | ||
1952 | _cleanup_free_ pid_t *pids = NULL; | |
1953 | _cleanup_hashmap_free_ Hashmap *names = NULL; | |
1954 | struct CGroupInfo *cg; | |
1955 | size_t n_allocated = 0, n = 0, k; | |
1956 | Iterator i; | |
1957 | int width, r; | |
1958 | ||
1959 | /* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as | |
1960 | * combined, sorted, linear list. */ | |
1961 | ||
1962 | HASHMAP_FOREACH(cg, cgroups, i) { | |
1963 | const char *name; | |
1964 | void *pidp; | |
1965 | Iterator j; | |
1966 | ||
1967 | if (cg->done) | |
1968 | continue; | |
1969 | ||
1970 | if (hashmap_isempty(cg->pids)) | |
1971 | continue; | |
1972 | ||
1973 | r = hashmap_ensure_allocated(&names, &trivial_hash_ops); | |
1974 | if (r < 0) | |
1975 | return r; | |
1976 | ||
1977 | if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids))) | |
1978 | return -ENOMEM; | |
1979 | ||
1980 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) { | |
1981 | pids[n++] = PTR_TO_PID(pidp); | |
1982 | ||
1983 | r = hashmap_put(names, pidp, (void*) name); | |
1984 | if (r < 0) | |
1985 | return r; | |
1986 | } | |
1987 | } | |
1988 | ||
1989 | if (n == 0) | |
1990 | return 0; | |
1991 | ||
1992 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1993 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1994 | ||
1995 | for (k = 0; k < n; k++) { | |
1996 | _cleanup_free_ char *e = NULL; | |
1997 | const char *name; | |
1998 | ||
1999 | name = hashmap_get(names, PID_TO_PTR(pids[k])); | |
2000 | assert(name); | |
2001 | ||
2002 | if (n_columns != 0) { | |
2003 | unsigned z; | |
2004 | ||
2005 | z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
2006 | ||
2007 | e = ellipsize(name, z, 100); | |
2008 | if (e) | |
2009 | name = e; | |
2010 | } | |
2011 | ||
2012 | fprintf(stdout, "%s%s %*" PID_PRI " %s\n", | |
2013 | prefix, | |
323b7dc9 | 2014 | special_glyph(TRIANGULAR_BULLET), |
291d565a LP |
2015 | width, pids[k], |
2016 | name); | |
2017 | } | |
2018 | ||
2019 | return 0; | |
2020 | } | |
2021 | ||
2022 | int unit_show_processes( | |
2023 | sd_bus *bus, | |
2024 | const char *unit, | |
2025 | const char *cgroup_path, | |
2026 | const char *prefix, | |
2027 | unsigned n_columns, | |
2028 | OutputFlags flags, | |
2029 | sd_bus_error *error) { | |
2030 | ||
2031 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2032 | Hashmap *cgroups = NULL; | |
2033 | struct CGroupInfo *cg; | |
2034 | int r; | |
2035 | ||
2036 | assert(bus); | |
2037 | assert(unit); | |
2038 | ||
2039 | if (flags & OUTPUT_FULL_WIDTH) | |
2040 | n_columns = 0; | |
2041 | else if (n_columns <= 0) | |
2042 | n_columns = columns(); | |
2043 | ||
2044 | prefix = strempty(prefix); | |
2045 | ||
2046 | r = sd_bus_call_method( | |
2047 | bus, | |
2048 | "org.freedesktop.systemd1", | |
2049 | "/org/freedesktop/systemd1", | |
2050 | "org.freedesktop.systemd1.Manager", | |
2051 | "GetUnitProcesses", | |
2052 | error, | |
2053 | &reply, | |
2054 | "s", | |
2055 | unit); | |
2056 | if (r < 0) | |
2057 | return r; | |
2058 | ||
2059 | cgroups = hashmap_new(&string_hash_ops); | |
2060 | if (!cgroups) | |
2061 | return -ENOMEM; | |
2062 | ||
2063 | r = sd_bus_message_enter_container(reply, 'a', "(sus)"); | |
2064 | if (r < 0) | |
2065 | goto finish; | |
2066 | ||
2067 | for (;;) { | |
2068 | const char *path = NULL, *name = NULL; | |
2069 | uint32_t pid; | |
2070 | ||
2071 | r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name); | |
2072 | if (r < 0) | |
2073 | goto finish; | |
2074 | if (r == 0) | |
2075 | break; | |
2076 | ||
2077 | r = add_process(cgroups, path, pid, name); | |
2078 | if (r < 0) | |
2079 | goto finish; | |
2080 | } | |
2081 | ||
2082 | r = sd_bus_message_exit_container(reply); | |
2083 | if (r < 0) | |
2084 | goto finish; | |
2085 | ||
2086 | r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags); | |
2087 | if (r < 0) | |
2088 | goto finish; | |
2089 | ||
2090 | r = dump_extra_processes(cgroups, prefix, n_columns, flags); | |
2091 | ||
2092 | finish: | |
2093 | while ((cg = hashmap_first(cgroups))) | |
2094 | remove_cgroup(cgroups, cg); | |
2095 | ||
2096 | hashmap_free(cgroups); | |
2097 | ||
2098 | return r; | |
2099 | } |