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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" | |
3dc5ca97 LP |
31 | #include "hostname-util.h" |
32 | #include "in-addr-util.h" | |
291d565a LP |
33 | #include "list.h" |
34 | #include "locale-util.h" | |
83555251 | 35 | #include "mount-util.h" |
add00535 | 36 | #include "nsflags.h" |
291d565a LP |
37 | #include "parse-util.h" |
38 | #include "path-util.h" | |
39 | #include "process-util.h" | |
40 | #include "rlimit-util.h" | |
cffaed83 | 41 | #include "securebits-util.h" |
291d565a LP |
42 | #include "signal-util.h" |
43 | #include "string-util.h" | |
44 | #include "syslog-util.h" | |
45 | #include "terminal-util.h" | |
cffaed83 | 46 | #include "user-util.h" |
291d565a LP |
47 | #include "utf8.h" |
48 | #include "util.h" | |
49 | ||
20b16441 LP |
50 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) { |
51 | assert(message); | |
52 | assert(u); | |
53 | ||
54 | u->machine = NULL; | |
55 | ||
56 | return sd_bus_message_read( | |
57 | message, | |
58 | "(ssssssouso)", | |
59 | &u->id, | |
60 | &u->description, | |
61 | &u->load_state, | |
62 | &u->active_state, | |
63 | &u->sub_state, | |
64 | &u->following, | |
65 | &u->unit_path, | |
66 | &u->job_id, | |
67 | &u->job_type, | |
68 | &u->job_path); | |
69 | } | |
70 | ||
3dc5ca97 LP |
71 | static int bus_append_ip_address_access(sd_bus_message *m, int family, const union in_addr_union *prefix, unsigned char prefixlen) { |
72 | int r; | |
73 | ||
74 | assert(m); | |
75 | assert(prefix); | |
76 | ||
77 | r = sd_bus_message_open_container(m, 'r', "iayu"); | |
78 | if (r < 0) | |
79 | return r; | |
80 | ||
81 | r = sd_bus_message_append(m, "i", family); | |
82 | if (r < 0) | |
83 | return r; | |
84 | ||
85 | r = sd_bus_message_append_array(m, 'y', prefix, FAMILY_ADDRESS_SIZE(family)); | |
86 | if (r < 0) | |
87 | return r; | |
88 | ||
89 | r = sd_bus_message_append(m, "u", prefixlen); | |
90 | if (r < 0) | |
91 | return r; | |
92 | ||
93 | return sd_bus_message_close_container(m); | |
94 | } | |
95 | ||
20b16441 LP |
96 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment) { |
97 | const char *eq, *field; | |
289188ca | 98 | UnitDependency dep; |
20b16441 LP |
99 | int r, rl; |
100 | ||
101 | assert(m); | |
102 | assert(assignment); | |
103 | ||
104 | eq = strchr(assignment, '='); | |
105 | if (!eq) { | |
106 | log_error("Not an assignment: %s", assignment); | |
107 | return -EINVAL; | |
108 | } | |
109 | ||
110 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
111 | if (r < 0) | |
112 | return bus_log_create_error(r); | |
113 | ||
114 | field = strndupa(assignment, eq - assignment); | |
115 | eq++; | |
116 | ||
117 | if (streq(field, "CPUQuota")) { | |
118 | ||
119 | if (isempty(eq)) | |
120 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", USEC_INFINITY); | |
9184ca48 | 121 | else { |
5124866d | 122 | r = parse_percent_unbounded(eq); |
9184ca48 LP |
123 | if (r <= 0) { |
124 | log_error_errno(r, "CPU quota '%s' invalid.", eq); | |
20b16441 LP |
125 | return -EINVAL; |
126 | } | |
127 | ||
9184ca48 | 128 | r = sd_bus_message_append(m, "sv", "CPUQuotaPerSecUSec", "t", (usec_t) r * USEC_PER_SEC / 100U); |
20b16441 LP |
129 | } |
130 | ||
131 | goto finish; | |
132 | ||
133 | } else if (streq(field, "EnvironmentFile")) { | |
134 | ||
135 | r = sd_bus_message_append(m, "sv", "EnvironmentFiles", "a(sb)", 1, | |
136 | eq[0] == '-' ? eq + 1 : eq, | |
137 | eq[0] == '-'); | |
138 | goto finish; | |
139 | ||
140 | } else if (STR_IN_SET(field, "AccuracySec", "RandomizedDelaySec", "RuntimeMaxSec")) { | |
141 | char *n; | |
142 | usec_t t; | |
143 | size_t l; | |
9184ca48 | 144 | |
20b16441 LP |
145 | r = parse_sec(eq, &t); |
146 | if (r < 0) | |
147 | return log_error_errno(r, "Failed to parse %s= parameter: %s", field, eq); | |
148 | ||
149 | l = strlen(field); | |
150 | n = newa(char, l + 2); | |
151 | if (!n) | |
152 | return log_oom(); | |
153 | ||
154 | /* Change suffix Sec → USec */ | |
155 | strcpy(mempcpy(n, field, l - 3), "USec"); | |
156 | r = sd_bus_message_append(m, "sv", n, "t", t); | |
157 | goto finish; | |
d58d600e | 158 | |
d3070fbd LP |
159 | } else if (streq(field, "LogExtraFields")) { |
160 | ||
161 | r = sd_bus_message_append(m, "s", "LogExtraFields"); | |
162 | if (r < 0) | |
163 | goto finish; | |
164 | ||
165 | r = sd_bus_message_open_container(m, 'v', "aay"); | |
166 | if (r < 0) | |
167 | goto finish; | |
168 | ||
169 | r = sd_bus_message_open_container(m, 'a', "ay"); | |
170 | if (r < 0) | |
171 | goto finish; | |
172 | ||
173 | r = sd_bus_message_append_array(m, 'y', eq, strlen(eq)); | |
174 | if (r < 0) | |
175 | goto finish; | |
176 | ||
177 | r = sd_bus_message_close_container(m); | |
178 | if (r < 0) | |
179 | goto finish; | |
180 | ||
181 | r = sd_bus_message_close_container(m); | |
182 | goto finish; | |
183 | ||
d58d600e LP |
184 | } else if (STR_IN_SET(field, "MemoryLow", "MemoryHigh", "MemoryMax", "MemoryLimit")) { |
185 | uint64_t bytes; | |
186 | ||
187 | if (isempty(eq) || streq(eq, "infinity")) | |
188 | bytes = CGROUP_LIMIT_MAX; | |
189 | else { | |
190 | r = parse_percent(eq); | |
191 | if (r >= 0) { | |
192 | char *n; | |
193 | ||
194 | /* When this is a percentage we'll convert this into a relative value in the range | |
f7903e8d | 195 | * 0…UINT32_MAX and pass it in the MemoryLowScale property (and related |
d58d600e LP |
196 | * ones). This way the physical memory size can be determined server-side */ |
197 | ||
f7903e8d | 198 | n = strjoina(field, "Scale"); |
d58d600e LP |
199 | r = sd_bus_message_append(m, "sv", n, "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); |
200 | goto finish; | |
201 | ||
202 | } else { | |
203 | r = parse_size(eq, 1024, &bytes); | |
204 | if (r < 0) | |
205 | return log_error_errno(r, "Failed to parse bytes specification %s", assignment); | |
206 | } | |
207 | } | |
208 | ||
209 | r = sd_bus_message_append(m, "sv", field, "t", bytes); | |
210 | goto finish; | |
02638280 LP |
211 | |
212 | } else if (streq(field, "Delegate")) { | |
213 | ||
214 | r = parse_boolean(eq); | |
215 | if (r < 0) { | |
216 | const char *p = eq; | |
217 | ||
218 | r = sd_bus_message_append(m, "s", "DelegateControllers"); | |
219 | if (r < 0) | |
220 | goto finish; | |
221 | ||
222 | r = sd_bus_message_open_container(m, 'v', "as"); | |
223 | if (r < 0) | |
224 | goto finish; | |
225 | ||
226 | r = sd_bus_message_open_container(m, 'a', "s"); | |
227 | if (r < 0) | |
228 | goto finish; | |
229 | ||
230 | for (;;) { | |
231 | _cleanup_free_ char *word = NULL; | |
232 | ||
233 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
234 | if (r == 0) | |
235 | break; | |
236 | if (r == -ENOMEM) | |
237 | return log_oom(); | |
238 | if (r < 0) | |
239 | return log_error_errno(r, "Invalid syntax: %s", eq); | |
240 | ||
241 | r = sd_bus_message_append(m, "s", word); | |
242 | if (r < 0) | |
243 | goto finish; | |
244 | } | |
245 | ||
246 | r = sd_bus_message_close_container(m); | |
247 | if (r < 0) | |
248 | goto finish; | |
249 | ||
250 | r = sd_bus_message_close_container(m); | |
251 | } else | |
252 | r = sd_bus_message_append(m, "sv", "Delegate", "b", r); | |
253 | ||
254 | goto finish; | |
255 | ||
83f8e808 LP |
256 | } else if (streq(field, "TasksMax")) { |
257 | uint64_t t; | |
258 | ||
259 | if (isempty(eq) || streq(eq, "infinity")) | |
260 | t = (uint64_t) -1; | |
261 | else { | |
262 | r = parse_percent(eq); | |
263 | if (r >= 0) { | |
264 | r = sd_bus_message_append(m, "sv", "TasksMaxScale", "u", (uint32_t) (((uint64_t) UINT32_MAX * r) / 100U)); | |
265 | goto finish; | |
266 | } else { | |
267 | r = safe_atou64(eq, &t); | |
268 | if (r < 0) | |
269 | return log_error_errno(r, "Failed to parse maximum tasks specification %s", assignment); | |
270 | } | |
271 | ||
272 | } | |
273 | ||
274 | r = sd_bus_message_append(m, "sv", "TasksMax", "t", t); | |
275 | goto finish; | |
20b16441 LP |
276 | } |
277 | ||
278 | r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field); | |
279 | if (r < 0) | |
280 | return bus_log_create_error(r); | |
281 | ||
282 | rl = rlimit_from_string(field); | |
283 | if (rl >= 0) { | |
284 | const char *sn; | |
285 | struct rlimit l; | |
286 | ||
287 | r = rlimit_parse(rl, eq, &l); | |
288 | if (r < 0) | |
289 | return log_error_errno(r, "Failed to parse resource limit: %s", eq); | |
290 | ||
291 | r = sd_bus_message_append(m, "v", "t", l.rlim_max); | |
292 | if (r < 0) | |
293 | return bus_log_create_error(r); | |
294 | ||
295 | r = sd_bus_message_close_container(m); | |
296 | if (r < 0) | |
297 | return bus_log_create_error(r); | |
298 | ||
299 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
300 | if (r < 0) | |
301 | return bus_log_create_error(r); | |
302 | ||
303 | sn = strjoina(field, "Soft"); | |
304 | r = sd_bus_message_append(m, "sv", sn, "t", l.rlim_cur); | |
305 | ||
306 | } else if (STR_IN_SET(field, | |
3dc5ca97 LP |
307 | "CPUAccounting", "MemoryAccounting", "IOAccounting", "BlockIOAccounting", |
308 | "TasksAccounting", "IPAccounting", "SendSIGHUP", "SendSIGKILL", "WakeSystem", | |
309 | "DefaultDependencies", "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", "TTYVTDisallocate", | |
310 | "RemainAfterExit", "PrivateTmp", "PrivateDevices", "PrivateNetwork", "PrivateUsers", | |
02638280 | 311 | "NoNewPrivileges", "SyslogLevelPrefix", "RemainAfterElapse", |
3dc5ca97 LP |
312 | "MemoryDenyWriteExecute", "RestrictRealtime", "DynamicUser", "RemoveIPC", |
313 | "ProtectKernelTunables", "ProtectKernelModules", "ProtectControlGroups", "MountAPIVFS", | |
3167f78a | 314 | "CPUSchedulingResetOnFork", "LockPersonality")) { |
20b16441 LP |
315 | |
316 | r = parse_boolean(eq); | |
317 | if (r < 0) | |
318 | return log_error_errno(r, "Failed to parse boolean assignment %s.", assignment); | |
319 | ||
320 | r = sd_bus_message_append(m, "v", "b", r); | |
321 | ||
66ebf6c0 TH |
322 | } else if (STR_IN_SET(field, "CPUWeight", "StartupCPUWeight")) { |
323 | uint64_t u; | |
324 | ||
325 | r = cg_weight_parse(eq, &u); | |
6bbfdc67 LP |
326 | if (r < 0) |
327 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
66ebf6c0 TH |
328 | |
329 | r = sd_bus_message_append(m, "v", "t", u); | |
330 | ||
20b16441 LP |
331 | } else if (STR_IN_SET(field, "CPUShares", "StartupCPUShares")) { |
332 | uint64_t u; | |
333 | ||
334 | r = cg_cpu_shares_parse(eq, &u); | |
6bbfdc67 LP |
335 | if (r < 0) |
336 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
337 | |
338 | r = sd_bus_message_append(m, "v", "t", u); | |
339 | ||
13c31542 TH |
340 | } else if (STR_IN_SET(field, "IOWeight", "StartupIOWeight")) { |
341 | uint64_t u; | |
342 | ||
343 | r = cg_weight_parse(eq, &u); | |
6bbfdc67 LP |
344 | if (r < 0) |
345 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
13c31542 TH |
346 | |
347 | r = sd_bus_message_append(m, "v", "t", u); | |
348 | ||
20b16441 LP |
349 | } else if (STR_IN_SET(field, "BlockIOWeight", "StartupBlockIOWeight")) { |
350 | uint64_t u; | |
351 | ||
3fdf9ad7 | 352 | r = cg_blkio_weight_parse(eq, &u); |
6bbfdc67 LP |
353 | if (r < 0) |
354 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
355 | |
356 | r = sd_bus_message_append(m, "v", "t", u); | |
357 | ||
358 | } else if (STR_IN_SET(field, | |
359 | "User", "Group", "DevicePolicy", "KillMode", | |
360 | "UtmpIdentifier", "UtmpMode", "PAMName", "TTYPath", | |
361 | "StandardInput", "StandardOutput", "StandardError", | |
362 | "Description", "Slice", "Type", "WorkingDirectory", | |
363 | "RootDirectory", "SyslogIdentifier", "ProtectSystem", | |
9efb9df9 | 364 | "ProtectHome", "SELinuxContext", "Restart", "RootImage", |
b1edf445 | 365 | "NotifyAccess", "RuntimeDirectoryPreserve", "Personality", |
5afe510c | 366 | "KeyringMode", "CollectMode")) |
20b16441 LP |
367 | r = sd_bus_message_append(m, "v", "s", eq); |
368 | ||
cffaed83 YW |
369 | else if (STR_IN_SET(field, "AppArmorProfile", "SmackProcessLabel")) { |
370 | bool ignore; | |
371 | const char *s; | |
372 | ||
373 | if (eq[0] == '-') { | |
374 | ignore = true; | |
375 | s = eq + 1; | |
376 | } else { | |
377 | ignore = false; | |
378 | s = eq; | |
379 | } | |
380 | ||
381 | r = sd_bus_message_append(m, "v", "(bs)", ignore, s); | |
382 | ||
d3070fbd | 383 | } else if (STR_IN_SET(field, "SyslogLevel", "LogLevelMax")) { |
20b16441 LP |
384 | int level; |
385 | ||
386 | level = log_level_from_string(eq); | |
387 | if (level < 0) { | |
388 | log_error("Failed to parse %s value %s.", field, eq); | |
389 | return -EINVAL; | |
390 | } | |
391 | ||
392 | r = sd_bus_message_append(m, "v", "i", level); | |
393 | ||
394 | } else if (streq(field, "SyslogFacility")) { | |
395 | int facility; | |
396 | ||
397 | facility = log_facility_unshifted_from_string(eq); | |
398 | if (facility < 0) { | |
399 | log_error("Failed to parse %s value %s.", field, eq); | |
400 | return -EINVAL; | |
401 | } | |
402 | ||
403 | r = sd_bus_message_append(m, "v", "i", facility); | |
404 | ||
cffaed83 YW |
405 | } else if (streq(field, "SecureBits")) { |
406 | ||
407 | r = secure_bits_from_string(eq); | |
6bbfdc67 LP |
408 | if (r < 0) |
409 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
410 | |
411 | r = sd_bus_message_append(m, "v", "i", r); | |
412 | ||
413 | } else if (STR_IN_SET(field, "CapabilityBoundingSet", "AmbientCapabilities")) { | |
414 | uint64_t sum = 0; | |
415 | bool invert = false; | |
416 | const char *p; | |
417 | ||
418 | p = eq; | |
419 | if (*p == '~') { | |
420 | invert = true; | |
421 | p++; | |
422 | } | |
423 | ||
424 | r = capability_set_from_string(p, &sum); | |
6bbfdc67 LP |
425 | if (r < 0) |
426 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
427 | |
428 | sum = invert ? ~sum : sum; | |
429 | ||
430 | r = sd_bus_message_append(m, "v", "t", sum); | |
431 | ||
20b16441 LP |
432 | } else if (streq(field, "DeviceAllow")) { |
433 | ||
434 | if (isempty(eq)) | |
435 | r = sd_bus_message_append(m, "v", "a(ss)", 0); | |
436 | else { | |
437 | const char *path, *rwm, *e; | |
438 | ||
439 | e = strchr(eq, ' '); | |
440 | if (e) { | |
441 | path = strndupa(eq, e - eq); | |
442 | rwm = e+1; | |
443 | } else { | |
444 | path = eq; | |
445 | rwm = ""; | |
446 | } | |
447 | ||
3ccb8862 | 448 | if (!is_deviceallow_pattern(path)) { |
20b16441 LP |
449 | log_error("%s is not a device file in /dev.", path); |
450 | return -EINVAL; | |
451 | } | |
452 | ||
453 | r = sd_bus_message_append(m, "v", "a(ss)", 1, path, rwm); | |
454 | } | |
455 | ||
9be57249 | 456 | } else if (cgroup_io_limit_type_from_string(field) >= 0 || STR_IN_SET(field, "BlockIOReadBandwidth", "BlockIOWriteBandwidth")) { |
20b16441 LP |
457 | |
458 | if (isempty(eq)) | |
459 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
460 | else { | |
461 | const char *path, *bandwidth, *e; | |
462 | uint64_t bytes; | |
463 | ||
464 | e = strchr(eq, ' '); | |
465 | if (e) { | |
466 | path = strndupa(eq, e - eq); | |
467 | bandwidth = e+1; | |
468 | } else { | |
469 | log_error("Failed to parse %s value %s.", field, eq); | |
470 | return -EINVAL; | |
471 | } | |
472 | ||
473 | if (!path_startswith(path, "/dev")) { | |
474 | log_error("%s is not a device file in /dev.", path); | |
475 | return -EINVAL; | |
476 | } | |
477 | ||
e57c9ce1 | 478 | if (streq(bandwidth, "infinity")) { |
13c31542 TH |
479 | bytes = CGROUP_LIMIT_MAX; |
480 | } else { | |
481 | r = parse_size(bandwidth, 1000, &bytes); | |
6bbfdc67 LP |
482 | if (r < 0) |
483 | return log_error_errno(r, "Failed to parse byte value %s: %m", bandwidth); | |
20b16441 LP |
484 | } |
485 | ||
486 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, bytes); | |
487 | } | |
488 | ||
13c31542 | 489 | } else if (STR_IN_SET(field, "IODeviceWeight", "BlockIODeviceWeight")) { |
20b16441 LP |
490 | |
491 | if (isempty(eq)) | |
492 | r = sd_bus_message_append(m, "v", "a(st)", 0); | |
493 | else { | |
494 | const char *path, *weight, *e; | |
495 | uint64_t u; | |
496 | ||
497 | e = strchr(eq, ' '); | |
498 | if (e) { | |
499 | path = strndupa(eq, e - eq); | |
500 | weight = e+1; | |
501 | } else { | |
502 | log_error("Failed to parse %s value %s.", field, eq); | |
503 | return -EINVAL; | |
504 | } | |
505 | ||
506 | if (!path_startswith(path, "/dev")) { | |
507 | log_error("%s is not a device file in /dev.", path); | |
508 | return -EINVAL; | |
509 | } | |
510 | ||
511 | r = safe_atou64(weight, &u); | |
6bbfdc67 LP |
512 | if (r < 0) |
513 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, weight); | |
514 | ||
096a4d53 | 515 | r = sd_bus_message_append(m, "v", "a(st)", 1, path, u); |
20b16441 LP |
516 | } |
517 | ||
3dc5ca97 LP |
518 | } else if (STR_IN_SET(field, "IPAddressAllow", "IPAddressDeny")) { |
519 | ||
520 | if (isempty(eq)) | |
521 | r = sd_bus_message_append(m, "v", "a(iayu)", 0); | |
522 | else { | |
523 | unsigned char prefixlen; | |
524 | union in_addr_union prefix = {}; | |
525 | int family; | |
526 | ||
527 | r = sd_bus_message_open_container(m, 'v', "a(iayu)"); | |
528 | if (r < 0) | |
529 | return bus_log_create_error(r); | |
530 | ||
531 | r = sd_bus_message_open_container(m, 'a', "(iayu)"); | |
532 | if (r < 0) | |
533 | return bus_log_create_error(r); | |
534 | ||
535 | if (streq(eq, "any")) { | |
536 | /* "any" is a shortcut for 0.0.0.0/0 and ::/0 */ | |
537 | ||
538 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 0); | |
539 | if (r < 0) | |
540 | return bus_log_create_error(r); | |
541 | ||
542 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 0); | |
543 | if (r < 0) | |
544 | return bus_log_create_error(r); | |
545 | ||
546 | } else if (is_localhost(eq)) { | |
547 | /* "localhost" is a shortcut for 127.0.0.0/8 and ::1/128 */ | |
548 | ||
549 | prefix.in.s_addr = htobe32(0x7f000000); | |
550 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 8); | |
551 | if (r < 0) | |
552 | return bus_log_create_error(r); | |
553 | ||
554 | prefix.in6 = (struct in6_addr) IN6ADDR_LOOPBACK_INIT; | |
555 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 128); | |
556 | if (r < 0) | |
557 | return r; | |
558 | ||
559 | } else if (streq(eq, "link-local")) { | |
560 | ||
561 | /* "link-local" is a shortcut for 169.254.0.0/16 and fe80::/64 */ | |
562 | ||
563 | prefix.in.s_addr = htobe32((UINT32_C(169) << 24 | UINT32_C(254) << 16)); | |
564 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 16); | |
565 | if (r < 0) | |
566 | return bus_log_create_error(r); | |
567 | ||
568 | prefix.in6 = (struct in6_addr) { | |
5a10b4d6 | 569 | .s6_addr32[0] = htobe32(0xfe800000) |
3dc5ca97 LP |
570 | }; |
571 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 64); | |
572 | if (r < 0) | |
573 | return bus_log_create_error(r); | |
574 | ||
575 | } else if (streq(eq, "multicast")) { | |
576 | ||
577 | /* "multicast" is a shortcut for 224.0.0.0/4 and ff00::/8 */ | |
578 | ||
579 | prefix.in.s_addr = htobe32((UINT32_C(224) << 24)); | |
580 | r = bus_append_ip_address_access(m, AF_INET, &prefix, 4); | |
581 | if (r < 0) | |
582 | return bus_log_create_error(r); | |
583 | ||
584 | prefix.in6 = (struct in6_addr) { | |
5a10b4d6 | 585 | .s6_addr32[0] = htobe32(0xff000000) |
3dc5ca97 LP |
586 | }; |
587 | r = bus_append_ip_address_access(m, AF_INET6, &prefix, 8); | |
588 | if (r < 0) | |
589 | return bus_log_create_error(r); | |
590 | ||
591 | } else { | |
592 | r = in_addr_prefix_from_string_auto(eq, &family, &prefix, &prefixlen); | |
593 | if (r < 0) | |
594 | return log_error_errno(r, "Failed to parse IP address prefix: %s", eq); | |
595 | ||
596 | r = bus_append_ip_address_access(m, family, &prefix, prefixlen); | |
597 | if (r < 0) | |
598 | return bus_log_create_error(r); | |
599 | } | |
600 | ||
601 | r = sd_bus_message_close_container(m); | |
602 | if (r < 0) | |
603 | return bus_log_create_error(r); | |
604 | ||
605 | r = sd_bus_message_close_container(m); | |
606 | if (r < 0) | |
607 | return bus_log_create_error(r); | |
608 | } | |
609 | ||
cffaed83 YW |
610 | } else if (streq(field, "CPUSchedulingPolicy")) { |
611 | int n; | |
612 | ||
613 | n = sched_policy_from_string(eq); | |
614 | if (n < 0) | |
615 | return log_error_errno(r, "Failed to parse CPUSchedulingPolicy: %s", eq); | |
616 | ||
617 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
618 | ||
619 | } else if (streq(field, "CPUSchedulingPriority")) { | |
620 | int n; | |
621 | ||
622 | r = safe_atoi(eq, &n); | |
623 | if (r < 0) | |
624 | return log_error_errno(r, "Failed to parse CPUSchedulingPriority: %s", eq); | |
625 | if (!sched_priority_is_valid(n)) | |
626 | return log_error_errno(r, "Invalid CPUSchedulingPriority: %s", eq); | |
627 | ||
628 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
629 | ||
630 | } else if (streq(field, "CPUAffinity")) { | |
631 | _cleanup_cpu_free_ cpu_set_t *cpuset = NULL; | |
632 | int ncpus; | |
633 | ||
634 | ncpus = parse_cpu_set(eq, &cpuset); | |
635 | if (ncpus < 0) | |
636 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
637 | ||
638 | r = sd_bus_message_open_container(m, 'v', "ay"); | |
639 | if (r < 0) | |
640 | return bus_log_create_error(r); | |
641 | ||
642 | if (cpuset) | |
643 | sd_bus_message_append_array(m, 'y', cpuset, CPU_ALLOC_SIZE(ncpus)); | |
644 | ||
645 | r = sd_bus_message_close_container(m); | |
646 | ||
20b16441 | 647 | } else if (streq(field, "Nice")) { |
41bf0590 | 648 | int n; |
20b16441 | 649 | |
41bf0590 LP |
650 | r = parse_nice(eq, &n); |
651 | if (r < 0) | |
652 | return log_error_errno(r, "Failed to parse nice value: %s", eq); | |
20b16441 | 653 | |
41bf0590 | 654 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); |
20b16441 | 655 | |
349cc4a5 | 656 | #if HAVE_SECCOMP |
cffaed83 YW |
657 | |
658 | } else if (streq(field, "SystemCallFilter")) { | |
659 | int whitelist; | |
3f856a28 | 660 | _cleanup_strv_free_ char **l = NULL; |
cffaed83 YW |
661 | const char *p; |
662 | ||
cffaed83 YW |
663 | p = eq; |
664 | if (*p == '~') { | |
665 | whitelist = 0; | |
666 | p++; | |
667 | } else | |
668 | whitelist = 1; | |
669 | ||
cffaed83 | 670 | if (whitelist != 0) { |
3f856a28 | 671 | r = strv_extend(&l, "@default"); |
cffaed83 | 672 | if (r < 0) |
3f856a28 | 673 | return log_oom(); |
cffaed83 YW |
674 | } |
675 | ||
676 | for (;;) { | |
677 | _cleanup_free_ char *word = NULL; | |
678 | ||
679 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
680 | if (r < 0) | |
681 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
682 | if (r == 0) | |
683 | break; | |
684 | ||
3f856a28 | 685 | r = strv_extend(&l, word); |
cffaed83 | 686 | if (r < 0) |
3f856a28 | 687 | return log_oom(); |
cffaed83 YW |
688 | } |
689 | ||
3f856a28 YW |
690 | r = sd_bus_message_open_container(m, 'v', "(bas)"); |
691 | if (r < 0) | |
692 | return bus_log_create_error(r); | |
693 | ||
694 | r = sd_bus_message_open_container(m, 'r', "bas"); | |
695 | if (r < 0) | |
696 | return bus_log_create_error(r); | |
697 | ||
698 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
699 | if (r < 0) | |
700 | return bus_log_create_error(r); | |
701 | ||
702 | r = sd_bus_message_append_strv(m, l); | |
703 | if (r < 0) | |
704 | return bus_log_create_error(r); | |
705 | ||
cffaed83 YW |
706 | r = sd_bus_message_close_container(m); |
707 | if (r < 0) | |
708 | return bus_log_create_error(r); | |
709 | ||
710 | r = sd_bus_message_close_container(m); | |
3f856a28 YW |
711 | if (r < 0) |
712 | return bus_log_create_error(r); | |
cffaed83 YW |
713 | |
714 | } else if (streq(field, "SystemCallArchitectures")) { | |
715 | const char *p; | |
716 | ||
717 | r = sd_bus_message_open_container(m, 'v', "as"); | |
718 | if (r < 0) | |
719 | return bus_log_create_error(r); | |
720 | ||
721 | r = sd_bus_message_open_container(m, 'a', "s"); | |
722 | if (r < 0) | |
723 | return bus_log_create_error(r); | |
724 | ||
725 | for (p = eq;;) { | |
726 | _cleanup_free_ char *word = NULL; | |
727 | ||
728 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
729 | if (r < 0) | |
730 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
731 | if (r == 0) | |
732 | break; | |
733 | ||
734 | r = sd_bus_message_append_basic(m, 's', word); | |
735 | if (r < 0) | |
736 | return bus_log_create_error(r); | |
737 | } | |
738 | ||
739 | r = sd_bus_message_close_container(m); | |
740 | if (r < 0) | |
741 | return bus_log_create_error(r); | |
742 | ||
743 | r = sd_bus_message_close_container(m); | |
744 | ||
745 | } else if (streq(field, "SystemCallErrorNumber")) { | |
746 | int n; | |
747 | ||
3df90f24 YW |
748 | n = parse_errno(eq); |
749 | if (n <= 0) | |
cffaed83 YW |
750 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); |
751 | ||
752 | r = sd_bus_message_append(m, "v", "i", (int32_t) n); | |
753 | ||
754 | } else if (streq(field, "RestrictAddressFamilies")) { | |
755 | int whitelist; | |
3f856a28 YW |
756 | _cleanup_strv_free_ char **l = NULL; |
757 | const char *p = eq; | |
cffaed83 | 758 | |
cffaed83 YW |
759 | if (*p == '~') { |
760 | whitelist = 0; | |
761 | p++; | |
762 | } else | |
763 | whitelist = 1; | |
764 | ||
cffaed83 YW |
765 | for (;;) { |
766 | _cleanup_free_ char *word = NULL; | |
767 | ||
768 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
769 | if (r < 0) | |
770 | return log_error_errno(r, "Failed to parse %s value: %s", field, eq); | |
771 | if (r == 0) | |
772 | break; | |
773 | ||
3f856a28 | 774 | r = strv_extend(&l, word); |
cffaed83 | 775 | if (r < 0) |
3f856a28 | 776 | return log_oom(); |
cffaed83 YW |
777 | } |
778 | ||
3f856a28 YW |
779 | r = sd_bus_message_open_container(m, 'v', "(bas)"); |
780 | if (r < 0) | |
781 | return bus_log_create_error(r); | |
782 | ||
783 | r = sd_bus_message_open_container(m, 'r', "bas"); | |
784 | if (r < 0) | |
785 | return bus_log_create_error(r); | |
786 | ||
787 | r = sd_bus_message_append_basic(m, 'b', &whitelist); | |
788 | if (r < 0) | |
789 | return bus_log_create_error(r); | |
790 | ||
791 | r = sd_bus_message_append_strv(m, l); | |
cffaed83 YW |
792 | if (r < 0) |
793 | return bus_log_create_error(r); | |
794 | ||
795 | r = sd_bus_message_close_container(m); | |
3f856a28 YW |
796 | if (r < 0) |
797 | return bus_log_create_error(r); | |
cffaed83 | 798 | |
3f856a28 YW |
799 | r = sd_bus_message_close_container(m); |
800 | if (r < 0) | |
801 | return bus_log_create_error(r); | |
cffaed83 | 802 | #endif |
9efb9df9 LP |
803 | } else if (streq(field, "FileDescriptorStoreMax")) { |
804 | unsigned u; | |
805 | ||
806 | r = safe_atou(eq, &u); | |
807 | if (r < 0) | |
808 | return log_error_errno(r, "Failed to parse file descriptor store limit: %s", eq); | |
809 | ||
810 | r = sd_bus_message_append(m, "v", "u", (uint32_t) u); | |
811 | ||
7f452159 LP |
812 | } else if (streq(field, "IOSchedulingClass")) { |
813 | int c; | |
814 | ||
815 | c = ioprio_class_from_string(eq); | |
816 | if (c < 0) | |
817 | return log_error_errno(r, "Failed to parse IO scheduling class: %s", eq); | |
818 | ||
819 | r = sd_bus_message_append(m, "v", "i", (int32_t) c); | |
820 | ||
821 | } else if (streq(field, "IOSchedulingPriority")) { | |
822 | int q; | |
823 | ||
824 | r = ioprio_parse_priority(eq, &q); | |
825 | if (r < 0) | |
826 | return log_error_errno(r, "Failed to parse IO scheduling priority: %s", eq); | |
827 | ||
828 | r = sd_bus_message_append(m, "v", "i", (int32_t) q); | |
829 | ||
00819cc1 | 830 | } else if (STR_IN_SET(field, "Environment", "UnsetEnvironment", "PassEnvironment")) { |
20b16441 LP |
831 | const char *p; |
832 | ||
833 | r = sd_bus_message_open_container(m, 'v', "as"); | |
834 | if (r < 0) | |
835 | return bus_log_create_error(r); | |
836 | ||
837 | r = sd_bus_message_open_container(m, 'a', "s"); | |
838 | if (r < 0) | |
839 | return bus_log_create_error(r); | |
840 | ||
c58bd76a | 841 | for (p = eq;;) { |
20b16441 LP |
842 | _cleanup_free_ char *word = NULL; |
843 | ||
844 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE); | |
6bbfdc67 LP |
845 | if (r < 0) |
846 | return log_error_errno(r, "Failed to parse Environment value %s: %m", eq); | |
20b16441 LP |
847 | if (r == 0) |
848 | break; | |
849 | ||
850 | if (streq(field, "Environment")) { | |
851 | if (!env_assignment_is_valid(word)) { | |
852 | log_error("Invalid environment assignment: %s", word); | |
853 | return -EINVAL; | |
854 | } | |
00819cc1 LP |
855 | } else if (streq(field, "UnsetEnvironment")) { |
856 | if (!env_assignment_is_valid(word) && !env_name_is_valid(word)) { | |
857 | log_error("Invalid environment name or assignment: %s", word); | |
858 | return -EINVAL; | |
859 | } | |
20b16441 LP |
860 | } else { /* PassEnvironment */ |
861 | if (!env_name_is_valid(word)) { | |
862 | log_error("Invalid environment variable name: %s", word); | |
863 | return -EINVAL; | |
864 | } | |
865 | } | |
866 | ||
867 | r = sd_bus_message_append_basic(m, 's', word); | |
868 | if (r < 0) | |
869 | return bus_log_create_error(r); | |
870 | } | |
871 | ||
872 | r = sd_bus_message_close_container(m); | |
873 | if (r < 0) | |
874 | return bus_log_create_error(r); | |
875 | ||
876 | r = sd_bus_message_close_container(m); | |
877 | ||
878 | } else if (streq(field, "KillSignal")) { | |
879 | int sig; | |
880 | ||
881 | sig = signal_from_string_try_harder(eq); | |
882 | if (sig < 0) { | |
883 | log_error("Failed to parse %s value %s.", field, eq); | |
884 | return -EINVAL; | |
885 | } | |
886 | ||
887 | r = sd_bus_message_append(m, "v", "i", sig); | |
888 | ||
889 | } else if (streq(field, "TimerSlackNSec")) { | |
890 | nsec_t n; | |
891 | ||
892 | r = parse_nsec(eq, &n); | |
6bbfdc67 LP |
893 | if (r < 0) |
894 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
895 | |
896 | r = sd_bus_message_append(m, "v", "t", n); | |
897 | } else if (streq(field, "OOMScoreAdjust")) { | |
898 | int oa; | |
899 | ||
900 | r = safe_atoi(eq, &oa); | |
6bbfdc67 LP |
901 | if (r < 0) |
902 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
903 | |
904 | if (!oom_score_adjust_is_valid(oa)) { | |
905 | log_error("OOM score adjust value out of range"); | |
906 | return -EINVAL; | |
907 | } | |
908 | ||
909 | r = sd_bus_message_append(m, "v", "i", oa); | |
2a624c36 AP |
910 | } else if (STR_IN_SET(field, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories", |
911 | "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) { | |
20b16441 LP |
912 | const char *p; |
913 | ||
914 | r = sd_bus_message_open_container(m, 'v', "as"); | |
915 | if (r < 0) | |
916 | return bus_log_create_error(r); | |
917 | ||
918 | r = sd_bus_message_open_container(m, 'a', "s"); | |
919 | if (r < 0) | |
920 | return bus_log_create_error(r); | |
921 | ||
c58bd76a | 922 | for (p = eq;;) { |
20b16441 | 923 | _cleanup_free_ char *word = NULL; |
20b7a007 | 924 | size_t offset; |
20b16441 LP |
925 | |
926 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
6bbfdc67 LP |
927 | if (r < 0) |
928 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
20b16441 LP |
929 | if (r == 0) |
930 | break; | |
931 | ||
932 | if (!utf8_is_valid(word)) { | |
933 | log_error("Failed to parse %s value %s", field, eq); | |
934 | return -EINVAL; | |
935 | } | |
936 | ||
937 | offset = word[0] == '-'; | |
20b7a007 LP |
938 | offset += word[offset] == '+'; |
939 | ||
20b16441 LP |
940 | if (!path_is_absolute(word + offset)) { |
941 | log_error("Failed to parse %s value %s", field, eq); | |
942 | return -EINVAL; | |
943 | } | |
944 | ||
945 | path_kill_slashes(word + offset); | |
946 | ||
947 | r = sd_bus_message_append_basic(m, 's', word); | |
948 | if (r < 0) | |
949 | return bus_log_create_error(r); | |
950 | } | |
951 | ||
952 | r = sd_bus_message_close_container(m); | |
953 | if (r < 0) | |
954 | return bus_log_create_error(r); | |
955 | ||
956 | r = sd_bus_message_close_container(m); | |
957 | ||
cffaed83 YW |
958 | } else if (streq(field, "SupplementaryGroups")) { |
959 | const char *p; | |
960 | ||
961 | r = sd_bus_message_open_container(m, 'v', "as"); | |
962 | if (r < 0) | |
963 | return bus_log_create_error(r); | |
964 | ||
965 | r = sd_bus_message_open_container(m, 'a', "s"); | |
966 | if (r < 0) | |
967 | return bus_log_create_error(r); | |
968 | ||
969 | for (p = eq;;) { | |
970 | _cleanup_free_ char *word = NULL; | |
971 | ||
972 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
6bbfdc67 LP |
973 | if (r < 0) |
974 | return log_error_errno(r, "Failed to parse %s value %s: %m", field, eq); | |
cffaed83 YW |
975 | if (r == 0) |
976 | break; | |
977 | ||
978 | if (!valid_user_group_name_or_id(word)) { | |
979 | log_error("Failed to parse %s value %s", field, eq); | |
980 | return -EINVAL; | |
981 | } | |
982 | ||
983 | r = sd_bus_message_append_basic(m, 's', word); | |
984 | if (r < 0) | |
985 | return bus_log_create_error(r); | |
986 | } | |
987 | ||
988 | r = sd_bus_message_close_container(m); | |
989 | if (r < 0) | |
990 | return bus_log_create_error(r); | |
991 | ||
992 | r = sd_bus_message_close_container(m); | |
993 | ||
994 | } else if (STR_IN_SET(field, "RuntimeDirectoryMode", "StateDirectoryMode", "CacheDirectoryMode", "LogsDirectoryMode", "ConfigurationDirectoryMode", "UMask")) { | |
53f47dfc YW |
995 | mode_t mode; |
996 | ||
997 | r = parse_mode(eq, &mode); | |
998 | if (r < 0) | |
999 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
1000 | ||
1001 | r = sd_bus_message_append(m, "v", "u", mode); | |
1002 | ||
3536f49e | 1003 | } else if (STR_IN_SET(field, "RuntimeDirectory", "StateDirectory", "CacheDirectory", "LogsDirectory", "ConfigurationDirectory")) { |
20b16441 LP |
1004 | const char *p; |
1005 | ||
1006 | r = sd_bus_message_open_container(m, 'v', "as"); | |
1007 | if (r < 0) | |
1008 | return bus_log_create_error(r); | |
1009 | ||
1010 | r = sd_bus_message_open_container(m, 'a', "s"); | |
1011 | if (r < 0) | |
1012 | return bus_log_create_error(r); | |
1013 | ||
c58bd76a | 1014 | for (p = eq;;) { |
20b16441 LP |
1015 | _cleanup_free_ char *word = NULL; |
1016 | ||
1017 | r = extract_first_word(&p, &word, NULL, EXTRACT_QUOTES); | |
091e9efe LP |
1018 | if (r == -ENOMEM) |
1019 | return log_oom(); | |
20b16441 LP |
1020 | if (r < 0) |
1021 | return log_error_errno(r, "Failed to parse %s value %s", field, eq); | |
20b16441 LP |
1022 | if (r == 0) |
1023 | break; | |
1024 | ||
1025 | r = sd_bus_message_append_basic(m, 's', word); | |
1026 | if (r < 0) | |
1027 | return bus_log_create_error(r); | |
1028 | } | |
1029 | ||
1030 | r = sd_bus_message_close_container(m); | |
1031 | if (r < 0) | |
1032 | return bus_log_create_error(r); | |
1033 | ||
1034 | r = sd_bus_message_close_container(m); | |
1035 | ||
add00535 LP |
1036 | } else if (streq(field, "RestrictNamespaces")) { |
1037 | bool invert = false; | |
0d7578dc | 1038 | unsigned long flags = 0; |
add00535 LP |
1039 | |
1040 | if (eq[0] == '~') { | |
1041 | invert = true; | |
1042 | eq++; | |
1043 | } | |
1044 | ||
1045 | r = parse_boolean(eq); | |
1046 | if (r > 0) | |
1047 | flags = 0; | |
1048 | else if (r == 0) | |
1049 | flags = NAMESPACE_FLAGS_ALL; | |
1050 | else { | |
1051 | r = namespace_flag_from_string_many(eq, &flags); | |
1052 | if (r < 0) | |
1053 | return log_error_errno(r, "Failed to parse %s value %s.", field, eq); | |
1054 | } | |
1055 | ||
1056 | if (invert) | |
1057 | flags = (~flags) & NAMESPACE_FLAGS_ALL; | |
1058 | ||
0d7578dc | 1059 | r = sd_bus_message_append(m, "v", "t", (uint64_t) flags); |
289188ca LP |
1060 | } else if ((dep = unit_dependency_from_string(field)) >= 0) |
1061 | r = sd_bus_message_append(m, "v", "as", 1, eq); | |
83555251 LP |
1062 | else if (streq(field, "MountFlags")) { |
1063 | unsigned long f; | |
1064 | ||
c7383828 ZJS |
1065 | r = mount_propagation_flags_from_string(eq, &f); |
1066 | if (r < 0) | |
1067 | return log_error_errno(r, "Failed to parse mount propagation flags: %s", eq); | |
83555251 | 1068 | |
b9e2d822 | 1069 | r = sd_bus_message_append(m, "v", "t", (uint64_t) f); |
d2d6c096 LP |
1070 | } else if (STR_IN_SET(field, "BindPaths", "BindReadOnlyPaths")) { |
1071 | const char *p = eq; | |
1072 | ||
1073 | r = sd_bus_message_open_container(m, 'v', "a(ssbt)"); | |
1074 | if (r < 0) | |
1075 | return r; | |
1076 | ||
1077 | r = sd_bus_message_open_container(m, 'a', "(ssbt)"); | |
1078 | if (r < 0) | |
1079 | return r; | |
1080 | ||
1081 | for (;;) { | |
1082 | _cleanup_free_ char *source = NULL, *destination = NULL; | |
1083 | char *s = NULL, *d = NULL; | |
1084 | bool ignore_enoent = false; | |
1085 | uint64_t flags = MS_REC; | |
1086 | ||
1087 | r = extract_first_word(&p, &source, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
1088 | if (r < 0) | |
1089 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1090 | if (r == 0) | |
1091 | break; | |
1092 | ||
1093 | s = source; | |
1094 | if (s[0] == '-') { | |
1095 | ignore_enoent = true; | |
1096 | s++; | |
1097 | } | |
1098 | ||
1099 | if (p && p[-1] == ':') { | |
1100 | r = extract_first_word(&p, &destination, ":" WHITESPACE, EXTRACT_QUOTES|EXTRACT_DONT_COALESCE_SEPARATORS); | |
1101 | if (r < 0) | |
1102 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1103 | if (r == 0) { | |
1104 | log_error("Missing argument after ':': %s", eq); | |
1105 | return -EINVAL; | |
1106 | } | |
1107 | ||
1108 | d = destination; | |
1109 | ||
1110 | if (p && p[-1] == ':') { | |
1111 | _cleanup_free_ char *options = NULL; | |
1112 | ||
1113 | r = extract_first_word(&p, &options, NULL, EXTRACT_QUOTES); | |
1114 | if (r < 0) | |
1115 | return log_error_errno(r, "Failed to parse argument: %m"); | |
1116 | ||
1117 | if (isempty(options) || streq(options, "rbind")) | |
1118 | flags = MS_REC; | |
1119 | else if (streq(options, "norbind")) | |
1120 | flags = 0; | |
1121 | else { | |
1122 | log_error("Unknown options: %s", eq); | |
1123 | return -EINVAL; | |
1124 | } | |
1125 | } | |
1126 | } else | |
1127 | d = s; | |
1128 | ||
1129 | ||
1130 | r = sd_bus_message_append(m, "(ssbt)", s, d, ignore_enoent, flags); | |
1131 | if (r < 0) | |
1132 | return r; | |
1133 | } | |
1134 | ||
1135 | r = sd_bus_message_close_container(m); | |
1136 | if (r < 0) | |
1137 | return r; | |
1138 | ||
1139 | r = sd_bus_message_close_container(m); | |
83555251 | 1140 | } else { |
20b16441 LP |
1141 | log_error("Unknown assignment %s.", assignment); |
1142 | return -EINVAL; | |
1143 | } | |
1144 | ||
1145 | finish: | |
1146 | if (r < 0) | |
1147 | return bus_log_create_error(r); | |
1148 | ||
1149 | r = sd_bus_message_close_container(m); | |
1150 | if (r < 0) | |
1151 | return bus_log_create_error(r); | |
1152 | ||
1153 | return 0; | |
1154 | } | |
1155 | ||
8673cf13 LP |
1156 | int bus_append_unit_property_assignment_many(sd_bus_message *m, char **l) { |
1157 | char **i; | |
1158 | int r; | |
1159 | ||
1160 | assert(m); | |
1161 | ||
1162 | STRV_FOREACH(i, l) { | |
1163 | r = bus_append_unit_property_assignment(m, *i); | |
1164 | if (r < 0) | |
1165 | return r; | |
1166 | } | |
1167 | ||
1168 | return 0; | |
1169 | } | |
1170 | ||
20b16441 LP |
1171 | typedef struct BusWaitForJobs { |
1172 | sd_bus *bus; | |
1173 | Set *jobs; | |
1174 | ||
1175 | char *name; | |
1176 | char *result; | |
1177 | ||
1178 | sd_bus_slot *slot_job_removed; | |
1179 | sd_bus_slot *slot_disconnected; | |
1180 | } BusWaitForJobs; | |
1181 | ||
1182 | static int match_disconnected(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1183 | assert(m); | |
1184 | ||
1185 | log_error("Warning! D-Bus connection terminated."); | |
1186 | sd_bus_close(sd_bus_message_get_bus(m)); | |
1187 | ||
1188 | return 0; | |
1189 | } | |
1190 | ||
1191 | static int match_job_removed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1192 | const char *path, *unit, *result; | |
1193 | BusWaitForJobs *d = userdata; | |
1194 | uint32_t id; | |
1195 | char *found; | |
1196 | int r; | |
1197 | ||
1198 | assert(m); | |
1199 | assert(d); | |
1200 | ||
1201 | r = sd_bus_message_read(m, "uoss", &id, &path, &unit, &result); | |
1202 | if (r < 0) { | |
1203 | bus_log_parse_error(r); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | found = set_remove(d->jobs, (char*) path); | |
1208 | if (!found) | |
1209 | return 0; | |
1210 | ||
1211 | free(found); | |
1212 | ||
1213 | if (!isempty(result)) | |
1214 | d->result = strdup(result); | |
1215 | ||
1216 | if (!isempty(unit)) | |
1217 | d->name = strdup(unit); | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | void bus_wait_for_jobs_free(BusWaitForJobs *d) { | |
1223 | if (!d) | |
1224 | return; | |
1225 | ||
1226 | set_free_free(d->jobs); | |
1227 | ||
1228 | sd_bus_slot_unref(d->slot_disconnected); | |
1229 | sd_bus_slot_unref(d->slot_job_removed); | |
1230 | ||
1231 | sd_bus_unref(d->bus); | |
1232 | ||
1233 | free(d->name); | |
1234 | free(d->result); | |
1235 | ||
1236 | free(d); | |
1237 | } | |
1238 | ||
1239 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret) { | |
1240 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *d = NULL; | |
1241 | int r; | |
1242 | ||
1243 | assert(bus); | |
1244 | assert(ret); | |
1245 | ||
1246 | d = new0(BusWaitForJobs, 1); | |
1247 | if (!d) | |
1248 | return -ENOMEM; | |
1249 | ||
1250 | d->bus = sd_bus_ref(bus); | |
1251 | ||
1252 | /* When we are a bus client we match by sender. Direct | |
1253 | * connections OTOH have no initialized sender field, and | |
1254 | * hence we ignore the sender then */ | |
1255 | r = sd_bus_add_match( | |
1256 | bus, | |
1257 | &d->slot_job_removed, | |
1258 | bus->bus_client ? | |
1259 | "type='signal'," | |
1260 | "sender='org.freedesktop.systemd1'," | |
1261 | "interface='org.freedesktop.systemd1.Manager'," | |
1262 | "member='JobRemoved'," | |
1263 | "path='/org/freedesktop/systemd1'" : | |
1264 | "type='signal'," | |
1265 | "interface='org.freedesktop.systemd1.Manager'," | |
1266 | "member='JobRemoved'," | |
1267 | "path='/org/freedesktop/systemd1'", | |
1268 | match_job_removed, d); | |
1269 | if (r < 0) | |
1270 | return r; | |
1271 | ||
1272 | r = sd_bus_add_match( | |
1273 | bus, | |
1274 | &d->slot_disconnected, | |
1275 | "type='signal'," | |
1276 | "sender='org.freedesktop.DBus.Local'," | |
1277 | "interface='org.freedesktop.DBus.Local'," | |
1278 | "member='Disconnected'", | |
1279 | match_disconnected, d); | |
1280 | if (r < 0) | |
1281 | return r; | |
1282 | ||
1283 | *ret = d; | |
1284 | d = NULL; | |
1285 | ||
1286 | return 0; | |
1287 | } | |
1288 | ||
1289 | static int bus_process_wait(sd_bus *bus) { | |
1290 | int r; | |
1291 | ||
1292 | for (;;) { | |
1293 | r = sd_bus_process(bus, NULL); | |
1294 | if (r < 0) | |
1295 | return r; | |
1296 | if (r > 0) | |
1297 | return 0; | |
1298 | ||
1299 | r = sd_bus_wait(bus, (uint64_t) -1); | |
1300 | if (r < 0) | |
1301 | return r; | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | static int bus_job_get_service_result(BusWaitForJobs *d, char **result) { | |
1306 | _cleanup_free_ char *dbus_path = NULL; | |
1307 | ||
1308 | assert(d); | |
1309 | assert(d->name); | |
1310 | assert(result); | |
1311 | ||
bd5a1c91 LP |
1312 | if (!endswith(d->name, ".service")) |
1313 | return -EINVAL; | |
1314 | ||
20b16441 LP |
1315 | dbus_path = unit_dbus_path_from_name(d->name); |
1316 | if (!dbus_path) | |
1317 | return -ENOMEM; | |
1318 | ||
1319 | return sd_bus_get_property_string(d->bus, | |
1320 | "org.freedesktop.systemd1", | |
1321 | dbus_path, | |
1322 | "org.freedesktop.systemd1.Service", | |
1323 | "Result", | |
1324 | NULL, | |
1325 | result); | |
1326 | } | |
1327 | ||
1328 | static const struct { | |
1329 | const char *result, *explanation; | |
1330 | } explanations [] = { | |
0b2de9d9 | 1331 | { "resources", "of unavailable resources or another system error" }, |
7ed0a4c5 | 1332 | { "protocol", "the service did not take the steps required by its unit configuration" }, |
20b16441 LP |
1333 | { "timeout", "a timeout was exceeded" }, |
1334 | { "exit-code", "the control process exited with error code" }, | |
1335 | { "signal", "a fatal signal was delivered to the control process" }, | |
1336 | { "core-dump", "a fatal signal was delivered causing the control process to dump core" }, | |
1337 | { "watchdog", "the service failed to send watchdog ping" }, | |
1338 | { "start-limit", "start of the service was attempted too often" } | |
1339 | }; | |
1340 | ||
1341 | static void log_job_error_with_service_result(const char* service, const char *result, const char* const* extra_args) { | |
1342 | _cleanup_free_ char *service_shell_quoted = NULL; | |
1343 | const char *systemctl = "systemctl", *journalctl = "journalctl"; | |
1344 | ||
1345 | assert(service); | |
1346 | ||
804ee07c | 1347 | service_shell_quoted = shell_maybe_quote(service, ESCAPE_BACKSLASH); |
20b16441 | 1348 | |
3a58ca47 | 1349 | if (!strv_isempty((char**) extra_args)) { |
20b16441 LP |
1350 | _cleanup_free_ char *t; |
1351 | ||
1352 | t = strv_join((char**) extra_args, " "); | |
1353 | systemctl = strjoina("systemctl ", t ? : "<args>"); | |
1354 | journalctl = strjoina("journalctl ", t ? : "<args>"); | |
1355 | } | |
1356 | ||
1357 | if (!isempty(result)) { | |
1358 | unsigned i; | |
1359 | ||
1360 | for (i = 0; i < ELEMENTSOF(explanations); ++i) | |
1361 | if (streq(result, explanations[i].result)) | |
1362 | break; | |
1363 | ||
1364 | if (i < ELEMENTSOF(explanations)) { | |
1365 | log_error("Job for %s failed because %s.\n" | |
1366 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1367 | service, | |
1368 | explanations[i].explanation, | |
1369 | systemctl, | |
1370 | service_shell_quoted ?: "<service>", | |
1371 | journalctl); | |
1372 | goto finish; | |
1373 | } | |
1374 | } | |
1375 | ||
1376 | log_error("Job for %s failed.\n" | |
1377 | "See \"%s status %s\" and \"%s -xe\" for details.\n", | |
1378 | service, | |
1379 | systemctl, | |
1380 | service_shell_quoted ?: "<service>", | |
1381 | journalctl); | |
1382 | ||
1383 | finish: | |
1384 | /* For some results maybe additional explanation is required */ | |
1385 | if (streq_ptr(result, "start-limit")) | |
1386 | log_info("To force a start use \"%1$s reset-failed %2$s\"\n" | |
1387 | "followed by \"%1$s start %2$s\" again.", | |
1388 | systemctl, | |
1389 | service_shell_quoted ?: "<service>"); | |
1390 | } | |
1391 | ||
1392 | static int check_wait_response(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1393 | int r = 0; | |
1394 | ||
1395 | assert(d->result); | |
1396 | ||
1397 | if (!quiet) { | |
1398 | if (streq(d->result, "canceled")) | |
1399 | log_error("Job for %s canceled.", strna(d->name)); | |
1400 | else if (streq(d->result, "timeout")) | |
1401 | log_error("Job for %s timed out.", strna(d->name)); | |
1402 | else if (streq(d->result, "dependency")) | |
1403 | log_error("A dependency job for %s failed. See 'journalctl -xe' for details.", strna(d->name)); | |
1404 | else if (streq(d->result, "invalid")) | |
1405 | log_error("%s is not active, cannot reload.", strna(d->name)); | |
1406 | else if (streq(d->result, "assert")) | |
1407 | log_error("Assertion failed on job for %s.", strna(d->name)); | |
1408 | else if (streq(d->result, "unsupported")) | |
1409 | log_error("Operation on or unit type of %s not supported on this system.", strna(d->name)); | |
c5a97ed1 LP |
1410 | else if (streq(d->result, "collected")) |
1411 | log_error("Queued job for %s was garbage collected.", strna(d->name)); | |
ae835bc7 | 1412 | else if (!STR_IN_SET(d->result, "done", "skipped")) { |
20b16441 | 1413 | if (d->name) { |
20b16441 | 1414 | _cleanup_free_ char *result = NULL; |
bd5a1c91 | 1415 | int q; |
20b16441 LP |
1416 | |
1417 | q = bus_job_get_service_result(d, &result); | |
1418 | if (q < 0) | |
bd5a1c91 | 1419 | log_debug_errno(q, "Failed to get Result property of unit %s: %m", d->name); |
20b16441 LP |
1420 | |
1421 | log_job_error_with_service_result(d->name, result, extra_args); | |
1422 | } else | |
1423 | log_error("Job failed. See \"journalctl -xe\" for details."); | |
1424 | } | |
1425 | } | |
1426 | ||
c5a97ed1 | 1427 | if (STR_IN_SET(d->result, "canceled", "collected")) |
20b16441 LP |
1428 | r = -ECANCELED; |
1429 | else if (streq(d->result, "timeout")) | |
1430 | r = -ETIME; | |
1431 | else if (streq(d->result, "dependency")) | |
1432 | r = -EIO; | |
1433 | else if (streq(d->result, "invalid")) | |
1434 | r = -ENOEXEC; | |
1435 | else if (streq(d->result, "assert")) | |
1436 | r = -EPROTO; | |
1437 | else if (streq(d->result, "unsupported")) | |
1438 | r = -EOPNOTSUPP; | |
ae835bc7 | 1439 | else if (!STR_IN_SET(d->result, "done", "skipped")) |
20b16441 LP |
1440 | r = -EIO; |
1441 | ||
1442 | return r; | |
1443 | } | |
1444 | ||
1445 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char* const* extra_args) { | |
1446 | int r = 0; | |
1447 | ||
1448 | assert(d); | |
1449 | ||
1450 | while (!set_isempty(d->jobs)) { | |
1451 | int q; | |
1452 | ||
1453 | q = bus_process_wait(d->bus); | |
1454 | if (q < 0) | |
1455 | return log_error_errno(q, "Failed to wait for response: %m"); | |
1456 | ||
1457 | if (d->result) { | |
1458 | q = check_wait_response(d, quiet, extra_args); | |
1459 | /* Return the first error as it is most likely to be | |
1460 | * meaningful. */ | |
1461 | if (q < 0 && r == 0) | |
1462 | r = q; | |
1463 | ||
1464 | log_debug_errno(q, "Got result %s/%m for job %s", strna(d->result), strna(d->name)); | |
1465 | } | |
1466 | ||
1467 | d->name = mfree(d->name); | |
1468 | d->result = mfree(d->result); | |
1469 | } | |
1470 | ||
1471 | return r; | |
1472 | } | |
1473 | ||
1474 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path) { | |
1475 | int r; | |
1476 | ||
1477 | assert(d); | |
1478 | ||
1479 | r = set_ensure_allocated(&d->jobs, &string_hash_ops); | |
1480 | if (r < 0) | |
1481 | return r; | |
1482 | ||
1483 | return set_put_strdup(d->jobs, path); | |
1484 | } | |
1485 | ||
1486 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet) { | |
1487 | int r; | |
1488 | ||
1489 | r = bus_wait_for_jobs_add(d, path); | |
1490 | if (r < 0) | |
1491 | return log_oom(); | |
1492 | ||
1493 | return bus_wait_for_jobs(d, quiet, NULL); | |
1494 | } | |
1495 | ||
1496 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes) { | |
1497 | const char *type, *path, *source; | |
1498 | int r; | |
1499 | ||
acc0269c CH |
1500 | /* changes is dereferenced when calling unit_file_dump_changes() later, |
1501 | * so we have to make sure this is not NULL. */ | |
1502 | assert(changes); | |
1503 | assert(n_changes); | |
1504 | ||
20b16441 LP |
1505 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sss)"); |
1506 | if (r < 0) | |
1507 | return bus_log_parse_error(r); | |
1508 | ||
1509 | while ((r = sd_bus_message_read(m, "(sss)", &type, &path, &source)) > 0) { | |
1510 | /* We expect only "success" changes to be sent over the bus. | |
1511 | Hence, reject anything negative. */ | |
1512 | UnitFileChangeType ch = unit_file_change_type_from_string(type); | |
1513 | ||
1514 | if (ch < 0) { | |
1515 | log_notice("Manager reported unknown change type \"%s\" for path \"%s\", ignoring.", type, path); | |
1516 | continue; | |
1517 | } | |
1518 | ||
1519 | r = unit_file_changes_add(changes, n_changes, ch, path, source); | |
1520 | if (r < 0) | |
1521 | return r; | |
1522 | } | |
1523 | if (r < 0) | |
1524 | return bus_log_parse_error(r); | |
1525 | ||
1526 | r = sd_bus_message_exit_container(m); | |
1527 | if (r < 0) | |
1528 | return bus_log_parse_error(r); | |
1529 | ||
35d379b2 | 1530 | unit_file_dump_changes(0, NULL, *changes, *n_changes, quiet); |
20b16441 LP |
1531 | return 0; |
1532 | } | |
1533 | ||
291d565a LP |
1534 | struct CGroupInfo { |
1535 | char *cgroup_path; | |
1536 | bool is_const; /* If false, cgroup_path should be free()'d */ | |
1537 | ||
1538 | Hashmap *pids; /* PID → process name */ | |
1539 | bool done; | |
1540 | ||
1541 | struct CGroupInfo *parent; | |
1542 | LIST_FIELDS(struct CGroupInfo, siblings); | |
1543 | LIST_HEAD(struct CGroupInfo, children); | |
1544 | size_t n_children; | |
1545 | }; | |
1546 | ||
1547 | static bool IS_ROOT(const char *p) { | |
1548 | return isempty(p) || streq(p, "/"); | |
1549 | } | |
1550 | ||
1551 | static int add_cgroup(Hashmap *cgroups, const char *path, bool is_const, struct CGroupInfo **ret) { | |
1552 | struct CGroupInfo *parent = NULL, *cg; | |
1553 | int r; | |
1554 | ||
1555 | assert(cgroups); | |
1556 | assert(ret); | |
1557 | ||
1558 | if (IS_ROOT(path)) | |
1559 | path = "/"; | |
1560 | ||
1561 | cg = hashmap_get(cgroups, path); | |
1562 | if (cg) { | |
1563 | *ret = cg; | |
1564 | return 0; | |
1565 | } | |
1566 | ||
1567 | if (!IS_ROOT(path)) { | |
1568 | const char *e, *pp; | |
1569 | ||
1570 | e = strrchr(path, '/'); | |
1571 | if (!e) | |
1572 | return -EINVAL; | |
1573 | ||
1574 | pp = strndupa(path, e - path); | |
1575 | if (!pp) | |
1576 | return -ENOMEM; | |
1577 | ||
1578 | r = add_cgroup(cgroups, pp, false, &parent); | |
1579 | if (r < 0) | |
1580 | return r; | |
1581 | } | |
1582 | ||
1583 | cg = new0(struct CGroupInfo, 1); | |
1584 | if (!cg) | |
1585 | return -ENOMEM; | |
1586 | ||
1587 | if (is_const) | |
1588 | cg->cgroup_path = (char*) path; | |
1589 | else { | |
1590 | cg->cgroup_path = strdup(path); | |
1591 | if (!cg->cgroup_path) { | |
1592 | free(cg); | |
1593 | return -ENOMEM; | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | cg->is_const = is_const; | |
1598 | cg->parent = parent; | |
1599 | ||
1600 | r = hashmap_put(cgroups, cg->cgroup_path, cg); | |
1601 | if (r < 0) { | |
1602 | if (!is_const) | |
1603 | free(cg->cgroup_path); | |
1604 | free(cg); | |
1605 | return r; | |
1606 | } | |
1607 | ||
1608 | if (parent) { | |
1609 | LIST_PREPEND(siblings, parent->children, cg); | |
1610 | parent->n_children++; | |
1611 | } | |
1612 | ||
1613 | *ret = cg; | |
1614 | return 1; | |
1615 | } | |
1616 | ||
1617 | static int add_process( | |
1618 | Hashmap *cgroups, | |
1619 | const char *path, | |
1620 | pid_t pid, | |
1621 | const char *name) { | |
1622 | ||
1623 | struct CGroupInfo *cg; | |
1624 | int r; | |
1625 | ||
1626 | assert(cgroups); | |
1627 | assert(name); | |
1628 | assert(pid > 0); | |
1629 | ||
1630 | r = add_cgroup(cgroups, path, true, &cg); | |
1631 | if (r < 0) | |
1632 | return r; | |
1633 | ||
1634 | r = hashmap_ensure_allocated(&cg->pids, &trivial_hash_ops); | |
1635 | if (r < 0) | |
1636 | return r; | |
1637 | ||
1638 | return hashmap_put(cg->pids, PID_TO_PTR(pid), (void*) name); | |
1639 | } | |
1640 | ||
1641 | static void remove_cgroup(Hashmap *cgroups, struct CGroupInfo *cg) { | |
1642 | assert(cgroups); | |
1643 | assert(cg); | |
1644 | ||
1645 | while (cg->children) | |
1646 | remove_cgroup(cgroups, cg->children); | |
1647 | ||
1648 | hashmap_remove(cgroups, cg->cgroup_path); | |
1649 | ||
1650 | if (!cg->is_const) | |
1651 | free(cg->cgroup_path); | |
1652 | ||
1653 | hashmap_free(cg->pids); | |
1654 | ||
1655 | if (cg->parent) | |
1656 | LIST_REMOVE(siblings, cg->parent->children, cg); | |
1657 | ||
1658 | free(cg); | |
1659 | } | |
1660 | ||
1661 | static int cgroup_info_compare_func(const void *a, const void *b) { | |
1662 | const struct CGroupInfo *x = *(const struct CGroupInfo* const*) a, *y = *(const struct CGroupInfo* const*) b; | |
1663 | ||
1664 | assert(x); | |
1665 | assert(y); | |
1666 | ||
1667 | return strcmp(x->cgroup_path, y->cgroup_path); | |
1668 | } | |
1669 | ||
1670 | static int dump_processes( | |
1671 | Hashmap *cgroups, | |
1672 | const char *cgroup_path, | |
1673 | const char *prefix, | |
1674 | unsigned n_columns, | |
1675 | OutputFlags flags) { | |
1676 | ||
1677 | struct CGroupInfo *cg; | |
1678 | int r; | |
1679 | ||
1680 | assert(prefix); | |
1681 | ||
1682 | if (IS_ROOT(cgroup_path)) | |
1683 | cgroup_path = "/"; | |
1684 | ||
1685 | cg = hashmap_get(cgroups, cgroup_path); | |
1686 | if (!cg) | |
1687 | return 0; | |
1688 | ||
1689 | if (!hashmap_isempty(cg->pids)) { | |
1690 | const char *name; | |
1691 | size_t n = 0, i; | |
1692 | pid_t *pids; | |
1693 | void *pidp; | |
1694 | Iterator j; | |
1695 | int width; | |
1696 | ||
1697 | /* Order processes by their PID */ | |
1698 | pids = newa(pid_t, hashmap_size(cg->pids)); | |
1699 | ||
1700 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) | |
1701 | pids[n++] = PTR_TO_PID(pidp); | |
1702 | ||
1703 | assert(n == hashmap_size(cg->pids)); | |
1704 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1705 | ||
1706 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1707 | ||
1708 | for (i = 0; i < n; i++) { | |
1709 | _cleanup_free_ char *e = NULL; | |
1710 | const char *special; | |
1711 | bool more; | |
1712 | ||
1713 | name = hashmap_get(cg->pids, PID_TO_PTR(pids[i])); | |
1714 | assert(name); | |
1715 | ||
1716 | if (n_columns != 0) { | |
1717 | unsigned k; | |
1718 | ||
1719 | k = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
1720 | ||
1721 | e = ellipsize(name, k, 100); | |
1722 | if (e) | |
1723 | name = e; | |
1724 | } | |
1725 | ||
1726 | more = i+1 < n || cg->children; | |
323b7dc9 | 1727 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1728 | |
1729 | fprintf(stdout, "%s%s%*"PID_PRI" %s\n", | |
1730 | prefix, | |
1731 | special, | |
1732 | width, pids[i], | |
1733 | name); | |
1734 | } | |
1735 | } | |
1736 | ||
1737 | if (cg->children) { | |
1738 | struct CGroupInfo **children, *child; | |
1739 | size_t n = 0, i; | |
1740 | ||
1741 | /* Order subcgroups by their name */ | |
1742 | children = newa(struct CGroupInfo*, cg->n_children); | |
1743 | LIST_FOREACH(siblings, child, cg->children) | |
1744 | children[n++] = child; | |
1745 | assert(n == cg->n_children); | |
1746 | qsort_safe(children, n, sizeof(struct CGroupInfo*), cgroup_info_compare_func); | |
1747 | ||
7351ded5 IL |
1748 | if (n_columns != 0) |
1749 | n_columns = MAX(LESS_BY(n_columns, 2U), 20U); | |
291d565a LP |
1750 | |
1751 | for (i = 0; i < n; i++) { | |
1752 | _cleanup_free_ char *pp = NULL; | |
1753 | const char *name, *special; | |
1754 | bool more; | |
1755 | ||
1756 | child = children[i]; | |
1757 | ||
1758 | name = strrchr(child->cgroup_path, '/'); | |
1759 | if (!name) | |
1760 | return -EINVAL; | |
1761 | name++; | |
1762 | ||
1763 | more = i+1 < n; | |
323b7dc9 | 1764 | special = special_glyph(more ? TREE_BRANCH : TREE_RIGHT); |
291d565a LP |
1765 | |
1766 | fputs(prefix, stdout); | |
1767 | fputs(special, stdout); | |
1768 | fputs(name, stdout); | |
1769 | fputc('\n', stdout); | |
1770 | ||
323b7dc9 | 1771 | special = special_glyph(more ? TREE_VERTICAL : TREE_SPACE); |
291d565a LP |
1772 | |
1773 | pp = strappend(prefix, special); | |
1774 | if (!pp) | |
1775 | return -ENOMEM; | |
1776 | ||
1777 | r = dump_processes(cgroups, child->cgroup_path, pp, n_columns, flags); | |
1778 | if (r < 0) | |
1779 | return r; | |
1780 | } | |
1781 | } | |
1782 | ||
1783 | cg->done = true; | |
1784 | return 0; | |
1785 | } | |
1786 | ||
1787 | static int dump_extra_processes( | |
1788 | Hashmap *cgroups, | |
1789 | const char *prefix, | |
1790 | unsigned n_columns, | |
1791 | OutputFlags flags) { | |
1792 | ||
1793 | _cleanup_free_ pid_t *pids = NULL; | |
1794 | _cleanup_hashmap_free_ Hashmap *names = NULL; | |
1795 | struct CGroupInfo *cg; | |
1796 | size_t n_allocated = 0, n = 0, k; | |
1797 | Iterator i; | |
1798 | int width, r; | |
1799 | ||
1800 | /* Prints the extra processes, i.e. those that are in cgroups we haven't displayed yet. We show them as | |
1801 | * combined, sorted, linear list. */ | |
1802 | ||
1803 | HASHMAP_FOREACH(cg, cgroups, i) { | |
1804 | const char *name; | |
1805 | void *pidp; | |
1806 | Iterator j; | |
1807 | ||
1808 | if (cg->done) | |
1809 | continue; | |
1810 | ||
1811 | if (hashmap_isempty(cg->pids)) | |
1812 | continue; | |
1813 | ||
1814 | r = hashmap_ensure_allocated(&names, &trivial_hash_ops); | |
1815 | if (r < 0) | |
1816 | return r; | |
1817 | ||
1818 | if (!GREEDY_REALLOC(pids, n_allocated, n + hashmap_size(cg->pids))) | |
1819 | return -ENOMEM; | |
1820 | ||
1821 | HASHMAP_FOREACH_KEY(name, pidp, cg->pids, j) { | |
1822 | pids[n++] = PTR_TO_PID(pidp); | |
1823 | ||
1824 | r = hashmap_put(names, pidp, (void*) name); | |
1825 | if (r < 0) | |
1826 | return r; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | if (n == 0) | |
1831 | return 0; | |
1832 | ||
1833 | qsort_safe(pids, n, sizeof(pid_t), pid_compare_func); | |
1834 | width = DECIMAL_STR_WIDTH(pids[n-1]); | |
1835 | ||
1836 | for (k = 0; k < n; k++) { | |
1837 | _cleanup_free_ char *e = NULL; | |
1838 | const char *name; | |
1839 | ||
1840 | name = hashmap_get(names, PID_TO_PTR(pids[k])); | |
1841 | assert(name); | |
1842 | ||
1843 | if (n_columns != 0) { | |
1844 | unsigned z; | |
1845 | ||
1846 | z = MAX(LESS_BY(n_columns, 2U + width + 1U), 20U); | |
1847 | ||
1848 | e = ellipsize(name, z, 100); | |
1849 | if (e) | |
1850 | name = e; | |
1851 | } | |
1852 | ||
1853 | fprintf(stdout, "%s%s %*" PID_PRI " %s\n", | |
1854 | prefix, | |
323b7dc9 | 1855 | special_glyph(TRIANGULAR_BULLET), |
291d565a LP |
1856 | width, pids[k], |
1857 | name); | |
1858 | } | |
1859 | ||
1860 | return 0; | |
1861 | } | |
1862 | ||
1863 | int unit_show_processes( | |
1864 | sd_bus *bus, | |
1865 | const char *unit, | |
1866 | const char *cgroup_path, | |
1867 | const char *prefix, | |
1868 | unsigned n_columns, | |
1869 | OutputFlags flags, | |
1870 | sd_bus_error *error) { | |
1871 | ||
1872 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1873 | Hashmap *cgroups = NULL; | |
1874 | struct CGroupInfo *cg; | |
1875 | int r; | |
1876 | ||
1877 | assert(bus); | |
1878 | assert(unit); | |
1879 | ||
1880 | if (flags & OUTPUT_FULL_WIDTH) | |
1881 | n_columns = 0; | |
1882 | else if (n_columns <= 0) | |
1883 | n_columns = columns(); | |
1884 | ||
1885 | prefix = strempty(prefix); | |
1886 | ||
1887 | r = sd_bus_call_method( | |
1888 | bus, | |
1889 | "org.freedesktop.systemd1", | |
1890 | "/org/freedesktop/systemd1", | |
1891 | "org.freedesktop.systemd1.Manager", | |
1892 | "GetUnitProcesses", | |
1893 | error, | |
1894 | &reply, | |
1895 | "s", | |
1896 | unit); | |
1897 | if (r < 0) | |
1898 | return r; | |
1899 | ||
1900 | cgroups = hashmap_new(&string_hash_ops); | |
1901 | if (!cgroups) | |
1902 | return -ENOMEM; | |
1903 | ||
1904 | r = sd_bus_message_enter_container(reply, 'a', "(sus)"); | |
1905 | if (r < 0) | |
1906 | goto finish; | |
1907 | ||
1908 | for (;;) { | |
1909 | const char *path = NULL, *name = NULL; | |
1910 | uint32_t pid; | |
1911 | ||
1912 | r = sd_bus_message_read(reply, "(sus)", &path, &pid, &name); | |
1913 | if (r < 0) | |
1914 | goto finish; | |
1915 | if (r == 0) | |
1916 | break; | |
1917 | ||
1918 | r = add_process(cgroups, path, pid, name); | |
1919 | if (r < 0) | |
1920 | goto finish; | |
1921 | } | |
1922 | ||
1923 | r = sd_bus_message_exit_container(reply); | |
1924 | if (r < 0) | |
1925 | goto finish; | |
1926 | ||
1927 | r = dump_processes(cgroups, cgroup_path, prefix, n_columns, flags); | |
1928 | if (r < 0) | |
1929 | goto finish; | |
1930 | ||
1931 | r = dump_extra_processes(cgroups, prefix, n_columns, flags); | |
1932 | ||
1933 | finish: | |
1934 | while ((cg = hashmap_first(cgroups))) | |
1935 | remove_cgroup(cgroups, cg); | |
1936 | ||
1937 | hashmap_free(cgroups); | |
1938 | ||
1939 | return r; | |
1940 | } |