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2d3b784d ZJS |
1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
2 | ||
cd09a5f3 | 3 | #include "bpf-socket-bind.h" |
2d3b784d ZJS |
4 | #include "bus-util.h" |
5 | #include "dbus.h" | |
6 | #include "fileio-label.h" | |
7 | #include "fileio.h" | |
8 | #include "format-util.h" | |
9 | #include "parse-util.h" | |
6f50d4f7 | 10 | #include "restrict-ifaces.h" |
2d3b784d ZJS |
11 | #include "serialize.h" |
12 | #include "string-table.h" | |
13 | #include "unit-serialize.h" | |
14 | #include "user-util.h" | |
15 | ||
16 | static int serialize_cgroup_mask(FILE *f, const char *key, CGroupMask mask) { | |
17 | _cleanup_free_ char *s = NULL; | |
18 | int r; | |
19 | ||
20 | assert(f); | |
21 | assert(key); | |
22 | ||
23 | if (mask == 0) | |
24 | return 0; | |
25 | ||
26 | r = cg_mask_to_string(mask, &s); | |
27 | if (r < 0) | |
28 | return log_error_errno(r, "Failed to format cgroup mask: %m"); | |
29 | ||
30 | return serialize_item(f, key, s); | |
31 | } | |
32 | ||
ff68472a ZJS |
33 | /* Make sure out values fit in the bitfield. */ |
34 | assert_cc(_UNIT_MARKER_MAX <= sizeof(((Unit){}).markers) * 8); | |
35 | ||
36 | static int serialize_markers(FILE *f, unsigned markers) { | |
37 | assert(f); | |
38 | ||
39 | if (markers == 0) | |
40 | return 0; | |
41 | ||
42 | fputs("markers=", f); | |
43 | for (UnitMarker m = 0; m < _UNIT_MARKER_MAX; m++) | |
44 | if (FLAGS_SET(markers, 1u << m)) | |
45 | fputs(unit_marker_to_string(m), f); | |
46 | fputc('\n', f); | |
47 | return 0; | |
48 | } | |
49 | ||
50 | static int deserialize_markers(Unit *u, const char *value) { | |
51 | assert(u); | |
52 | assert(value); | |
53 | int r; | |
54 | ||
55 | for (const char *p = value;;) { | |
56 | _cleanup_free_ char *word = NULL; | |
57 | ||
58 | r = extract_first_word(&p, &word, NULL, 0); | |
59 | if (r <= 0) | |
60 | return r; | |
61 | ||
62 | UnitMarker m = unit_marker_from_string(word); | |
63 | if (m < 0) { | |
64 | log_unit_debug_errno(u, m, "Unknown unit marker \"%s\", ignoring.", word); | |
65 | continue; | |
66 | } | |
67 | ||
68 | u->markers |= 1u << m; | |
69 | } | |
70 | } | |
71 | ||
2d3b784d ZJS |
72 | static const char *const ip_accounting_metric_field[_CGROUP_IP_ACCOUNTING_METRIC_MAX] = { |
73 | [CGROUP_IP_INGRESS_BYTES] = "ip-accounting-ingress-bytes", | |
74 | [CGROUP_IP_INGRESS_PACKETS] = "ip-accounting-ingress-packets", | |
75 | [CGROUP_IP_EGRESS_BYTES] = "ip-accounting-egress-bytes", | |
76 | [CGROUP_IP_EGRESS_PACKETS] = "ip-accounting-egress-packets", | |
77 | }; | |
78 | ||
79 | static const char *const io_accounting_metric_field_base[_CGROUP_IO_ACCOUNTING_METRIC_MAX] = { | |
80 | [CGROUP_IO_READ_BYTES] = "io-accounting-read-bytes-base", | |
81 | [CGROUP_IO_WRITE_BYTES] = "io-accounting-write-bytes-base", | |
82 | [CGROUP_IO_READ_OPERATIONS] = "io-accounting-read-operations-base", | |
83 | [CGROUP_IO_WRITE_OPERATIONS] = "io-accounting-write-operations-base", | |
84 | }; | |
85 | ||
86 | static const char *const io_accounting_metric_field_last[_CGROUP_IO_ACCOUNTING_METRIC_MAX] = { | |
87 | [CGROUP_IO_READ_BYTES] = "io-accounting-read-bytes-last", | |
88 | [CGROUP_IO_WRITE_BYTES] = "io-accounting-write-bytes-last", | |
89 | [CGROUP_IO_READ_OPERATIONS] = "io-accounting-read-operations-last", | |
90 | [CGROUP_IO_WRITE_OPERATIONS] = "io-accounting-write-operations-last", | |
91 | }; | |
92 | ||
755021d4 | 93 | int unit_serialize(Unit *u, FILE *f, FDSet *fds, bool switching_root) { |
2d3b784d ZJS |
94 | int r; |
95 | ||
96 | assert(u); | |
97 | assert(f); | |
98 | assert(fds); | |
99 | ||
755021d4 ZJS |
100 | if (switching_root && UNIT_VTABLE(u)->exclude_from_switch_root_serialization) { |
101 | /* In the new root, paths for mounts and automounts will be different, so it doesn't make | |
102 | * much sense to serialize things. API file systems will be moved to the new root, but we | |
103 | * don't have mount units for those. */ | |
104 | log_unit_debug(u, "not serializing before switch-root"); | |
105 | return 0; | |
106 | } | |
107 | ||
108 | /* Start marker */ | |
109 | fputs(u->id, f); | |
110 | fputc('\n', f); | |
111 | ||
1085c0eb ZJS |
112 | assert(!!UNIT_VTABLE(u)->serialize == !!UNIT_VTABLE(u)->deserialize_item); |
113 | ||
114 | if (UNIT_VTABLE(u)->serialize) { | |
2d3b784d ZJS |
115 | r = UNIT_VTABLE(u)->serialize(u, f, fds); |
116 | if (r < 0) | |
117 | return r; | |
118 | } | |
119 | ||
120 | (void) serialize_dual_timestamp(f, "state-change-timestamp", &u->state_change_timestamp); | |
121 | ||
122 | (void) serialize_dual_timestamp(f, "inactive-exit-timestamp", &u->inactive_exit_timestamp); | |
123 | (void) serialize_dual_timestamp(f, "active-enter-timestamp", &u->active_enter_timestamp); | |
124 | (void) serialize_dual_timestamp(f, "active-exit-timestamp", &u->active_exit_timestamp); | |
125 | (void) serialize_dual_timestamp(f, "inactive-enter-timestamp", &u->inactive_enter_timestamp); | |
126 | ||
127 | (void) serialize_dual_timestamp(f, "condition-timestamp", &u->condition_timestamp); | |
128 | (void) serialize_dual_timestamp(f, "assert-timestamp", &u->assert_timestamp); | |
129 | ||
130 | if (dual_timestamp_is_set(&u->condition_timestamp)) | |
131 | (void) serialize_bool(f, "condition-result", u->condition_result); | |
132 | ||
133 | if (dual_timestamp_is_set(&u->assert_timestamp)) | |
134 | (void) serialize_bool(f, "assert-result", u->assert_result); | |
135 | ||
136 | (void) serialize_bool(f, "transient", u->transient); | |
137 | (void) serialize_bool(f, "in-audit", u->in_audit); | |
138 | ||
139 | (void) serialize_bool(f, "exported-invocation-id", u->exported_invocation_id); | |
140 | (void) serialize_bool(f, "exported-log-level-max", u->exported_log_level_max); | |
141 | (void) serialize_bool(f, "exported-log-extra-fields", u->exported_log_extra_fields); | |
142 | (void) serialize_bool(f, "exported-log-rate-limit-interval", u->exported_log_ratelimit_interval); | |
143 | (void) serialize_bool(f, "exported-log-rate-limit-burst", u->exported_log_ratelimit_burst); | |
144 | ||
145 | (void) serialize_item_format(f, "cpu-usage-base", "%" PRIu64, u->cpu_usage_base); | |
146 | if (u->cpu_usage_last != NSEC_INFINITY) | |
147 | (void) serialize_item_format(f, "cpu-usage-last", "%" PRIu64, u->cpu_usage_last); | |
148 | ||
149 | if (u->managed_oom_kill_last > 0) | |
150 | (void) serialize_item_format(f, "managed-oom-kill-last", "%" PRIu64, u->managed_oom_kill_last); | |
151 | ||
152 | if (u->oom_kill_last > 0) | |
153 | (void) serialize_item_format(f, "oom-kill-last", "%" PRIu64, u->oom_kill_last); | |
154 | ||
155 | for (CGroupIOAccountingMetric im = 0; im < _CGROUP_IO_ACCOUNTING_METRIC_MAX; im++) { | |
156 | (void) serialize_item_format(f, io_accounting_metric_field_base[im], "%" PRIu64, u->io_accounting_base[im]); | |
157 | ||
158 | if (u->io_accounting_last[im] != UINT64_MAX) | |
159 | (void) serialize_item_format(f, io_accounting_metric_field_last[im], "%" PRIu64, u->io_accounting_last[im]); | |
160 | } | |
161 | ||
162 | if (u->cgroup_path) | |
163 | (void) serialize_item(f, "cgroup", u->cgroup_path); | |
164 | ||
165 | (void) serialize_bool(f, "cgroup-realized", u->cgroup_realized); | |
166 | (void) serialize_cgroup_mask(f, "cgroup-realized-mask", u->cgroup_realized_mask); | |
167 | (void) serialize_cgroup_mask(f, "cgroup-enabled-mask", u->cgroup_enabled_mask); | |
168 | (void) serialize_cgroup_mask(f, "cgroup-invalidated-mask", u->cgroup_invalidated_mask); | |
169 | ||
cd09a5f3 | 170 | (void) bpf_serialize_socket_bind(u, f, fds); |
3d027d4d | 171 | |
b57d7523 LP |
172 | (void) bpf_program_serialize_attachment(f, fds, "ip-bpf-ingress-installed", u->ip_bpf_ingress_installed); |
173 | (void) bpf_program_serialize_attachment(f, fds, "ip-bpf-egress-installed", u->ip_bpf_egress_installed); | |
0b4f8d94 | 174 | (void) bpf_program_serialize_attachment(f, fds, "bpf-device-control-installed", u->bpf_device_control_installed); |
b57d7523 LP |
175 | (void) bpf_program_serialize_attachment_set(f, fds, "ip-bpf-custom-ingress-installed", u->ip_bpf_custom_ingress_installed); |
176 | (void) bpf_program_serialize_attachment_set(f, fds, "ip-bpf-custom-egress-installed", u->ip_bpf_custom_egress_installed); | |
177 | ||
6f50d4f7 MV |
178 | (void) serialize_restrict_network_interfaces(u, f, fds); |
179 | ||
2d3b784d ZJS |
180 | if (uid_is_valid(u->ref_uid)) |
181 | (void) serialize_item_format(f, "ref-uid", UID_FMT, u->ref_uid); | |
182 | if (gid_is_valid(u->ref_gid)) | |
183 | (void) serialize_item_format(f, "ref-gid", GID_FMT, u->ref_gid); | |
184 | ||
185 | if (!sd_id128_is_null(u->invocation_id)) | |
186 | (void) serialize_item_format(f, "invocation-id", SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(u->invocation_id)); | |
187 | ||
188 | (void) serialize_item_format(f, "freezer-state", "%s", freezer_state_to_string(unit_freezer_state(u))); | |
ff68472a | 189 | (void) serialize_markers(f, u->markers); |
2d3b784d ZJS |
190 | |
191 | bus_track_serialize(u->bus_track, f, "ref"); | |
192 | ||
193 | for (CGroupIPAccountingMetric m = 0; m < _CGROUP_IP_ACCOUNTING_METRIC_MAX; m++) { | |
194 | uint64_t v; | |
195 | ||
196 | r = unit_get_ip_accounting(u, m, &v); | |
197 | if (r >= 0) | |
198 | (void) serialize_item_format(f, ip_accounting_metric_field[m], "%" PRIu64, v); | |
199 | } | |
200 | ||
755021d4 | 201 | if (!switching_root) { |
2d3b784d ZJS |
202 | if (u->job) { |
203 | fputs("job\n", f); | |
204 | job_serialize(u->job, f); | |
205 | } | |
206 | ||
207 | if (u->nop_job) { | |
208 | fputs("job\n", f); | |
209 | job_serialize(u->nop_job, f); | |
210 | } | |
211 | } | |
212 | ||
213 | /* End marker */ | |
214 | fputc('\n', f); | |
215 | return 0; | |
216 | } | |
217 | ||
218 | static int unit_deserialize_job(Unit *u, FILE *f) { | |
219 | _cleanup_(job_freep) Job *j = NULL; | |
220 | int r; | |
221 | ||
222 | assert(u); | |
223 | assert(f); | |
224 | ||
225 | j = job_new_raw(u); | |
226 | if (!j) | |
227 | return log_oom(); | |
228 | ||
229 | r = job_deserialize(j, f); | |
230 | if (r < 0) | |
231 | return r; | |
232 | ||
233 | r = job_install_deserialized(j); | |
234 | if (r < 0) | |
235 | return r; | |
236 | ||
237 | TAKE_PTR(j); | |
238 | return 0; | |
239 | } | |
240 | ||
9466ec13 ZJS |
241 | #define MATCH_DESERIALIZE(key, l, v, parse_func, target) \ |
242 | ({ \ | |
243 | bool _deserialize_matched = streq(l, key); \ | |
244 | if (_deserialize_matched) { \ | |
245 | int _deserialize_r = parse_func(v); \ | |
246 | if (_deserialize_r < 0) \ | |
247 | log_unit_debug_errno(u, _deserialize_r, \ | |
248 | "Failed to parse \"%s=%s\", ignoring.", l, v); \ | |
249 | else \ | |
250 | target = _deserialize_r; \ | |
251 | }; \ | |
252 | _deserialize_matched; \ | |
253 | }) | |
254 | ||
255 | #define MATCH_DESERIALIZE_IMMEDIATE(key, l, v, parse_func, target) \ | |
256 | ({ \ | |
257 | bool _deserialize_matched = streq(l, key); \ | |
258 | if (_deserialize_matched) { \ | |
259 | int _deserialize_r = parse_func(v, &target); \ | |
260 | if (_deserialize_r < 0) \ | |
261 | log_unit_debug_errno(u, _deserialize_r, \ | |
262 | "Failed to parse \"%s=%s\", ignoring", l, v); \ | |
263 | }; \ | |
264 | _deserialize_matched; \ | |
265 | }) | |
266 | ||
2d3b784d ZJS |
267 | int unit_deserialize(Unit *u, FILE *f, FDSet *fds) { |
268 | int r; | |
269 | ||
270 | assert(u); | |
271 | assert(f); | |
272 | assert(fds); | |
273 | ||
274 | for (;;) { | |
275 | _cleanup_free_ char *line = NULL; | |
276 | char *l, *v; | |
277 | ssize_t m; | |
278 | size_t k; | |
279 | ||
280 | r = read_line(f, LONG_LINE_MAX, &line); | |
281 | if (r < 0) | |
282 | return log_error_errno(r, "Failed to read serialization line: %m"); | |
283 | if (r == 0) /* eof */ | |
284 | break; | |
285 | ||
286 | l = strstrip(line); | |
287 | if (isempty(l)) /* End marker */ | |
288 | break; | |
289 | ||
290 | k = strcspn(l, "="); | |
291 | ||
292 | if (l[k] == '=') { | |
293 | l[k] = 0; | |
294 | v = l+k+1; | |
295 | } else | |
296 | v = l+k; | |
297 | ||
298 | if (streq(l, "job")) { | |
299 | if (v[0] == '\0') { | |
300 | /* New-style serialized job */ | |
301 | r = unit_deserialize_job(u, f); | |
302 | if (r < 0) | |
303 | return r; | |
304 | } else /* Legacy for pre-44 */ | |
305 | log_unit_warning(u, "Update from too old systemd versions are unsupported, cannot deserialize job: %s", v); | |
306 | continue; | |
307 | } else if (streq(l, "state-change-timestamp")) { | |
308 | (void) deserialize_dual_timestamp(v, &u->state_change_timestamp); | |
309 | continue; | |
310 | } else if (streq(l, "inactive-exit-timestamp")) { | |
311 | (void) deserialize_dual_timestamp(v, &u->inactive_exit_timestamp); | |
312 | continue; | |
313 | } else if (streq(l, "active-enter-timestamp")) { | |
314 | (void) deserialize_dual_timestamp(v, &u->active_enter_timestamp); | |
315 | continue; | |
316 | } else if (streq(l, "active-exit-timestamp")) { | |
317 | (void) deserialize_dual_timestamp(v, &u->active_exit_timestamp); | |
318 | continue; | |
319 | } else if (streq(l, "inactive-enter-timestamp")) { | |
320 | (void) deserialize_dual_timestamp(v, &u->inactive_enter_timestamp); | |
321 | continue; | |
322 | } else if (streq(l, "condition-timestamp")) { | |
323 | (void) deserialize_dual_timestamp(v, &u->condition_timestamp); | |
324 | continue; | |
325 | } else if (streq(l, "assert-timestamp")) { | |
326 | (void) deserialize_dual_timestamp(v, &u->assert_timestamp); | |
327 | continue; | |
2d3b784d | 328 | |
9466ec13 | 329 | } else if (MATCH_DESERIALIZE("condition-result", l, v, parse_boolean, u->condition_result)) |
2d3b784d ZJS |
330 | continue; |
331 | ||
9466ec13 | 332 | else if (MATCH_DESERIALIZE("assert-result", l, v, parse_boolean, u->assert_result)) |
2d3b784d ZJS |
333 | continue; |
334 | ||
9466ec13 | 335 | else if (MATCH_DESERIALIZE("transient", l, v, parse_boolean, u->transient)) |
2d3b784d ZJS |
336 | continue; |
337 | ||
9466ec13 | 338 | else if (MATCH_DESERIALIZE("in-audit", l, v, parse_boolean, u->in_audit)) |
2d3b784d ZJS |
339 | continue; |
340 | ||
9466ec13 | 341 | else if (MATCH_DESERIALIZE("exported-invocation-id", l, v, parse_boolean, u->exported_invocation_id)) |
2d3b784d ZJS |
342 | continue; |
343 | ||
9466ec13 | 344 | else if (MATCH_DESERIALIZE("exported-log-level-max", l, v, parse_boolean, u->exported_log_level_max)) |
2d3b784d ZJS |
345 | continue; |
346 | ||
9466ec13 | 347 | else if (MATCH_DESERIALIZE("exported-log-extra-fields", l, v, parse_boolean, u->exported_log_extra_fields)) |
2d3b784d ZJS |
348 | continue; |
349 | ||
9466ec13 | 350 | else if (MATCH_DESERIALIZE("exported-log-rate-limit-interval", l, v, parse_boolean, u->exported_log_ratelimit_interval)) |
2d3b784d ZJS |
351 | continue; |
352 | ||
9466ec13 | 353 | else if (MATCH_DESERIALIZE("exported-log-rate-limit-burst", l, v, parse_boolean, u->exported_log_ratelimit_burst)) |
2d3b784d ZJS |
354 | continue; |
355 | ||
9466ec13 ZJS |
356 | else if (MATCH_DESERIALIZE_IMMEDIATE("cpu-usage-base", l, v, safe_atou64, u->cpu_usage_base) || |
357 | MATCH_DESERIALIZE_IMMEDIATE("cpuacct-usage-base", l, v, safe_atou64, u->cpu_usage_base)) | |
2d3b784d ZJS |
358 | continue; |
359 | ||
9466ec13 | 360 | else if (MATCH_DESERIALIZE_IMMEDIATE("cpu-usage-last", l, v, safe_atou64, u->cpu_usage_last)) |
2d3b784d ZJS |
361 | continue; |
362 | ||
9466ec13 | 363 | else if (MATCH_DESERIALIZE_IMMEDIATE("managed-oom-kill-last", l, v, safe_atou64, u->managed_oom_kill_last)) |
2d3b784d ZJS |
364 | continue; |
365 | ||
9466ec13 | 366 | else if (MATCH_DESERIALIZE_IMMEDIATE("oom-kill-last", l, v, safe_atou64, u->oom_kill_last)) |
2d3b784d ZJS |
367 | continue; |
368 | ||
9466ec13 | 369 | else if (streq(l, "cgroup")) { |
2d3b784d ZJS |
370 | r = unit_set_cgroup_path(u, v); |
371 | if (r < 0) | |
372 | log_unit_debug_errno(u, r, "Failed to set cgroup path %s, ignoring: %m", v); | |
373 | ||
374 | (void) unit_watch_cgroup(u); | |
375 | (void) unit_watch_cgroup_memory(u); | |
376 | ||
377 | continue; | |
2d3b784d | 378 | |
9466ec13 | 379 | } else if (MATCH_DESERIALIZE("cgroup-realized", l, v, parse_boolean, u->cgroup_realized)) |
2d3b784d ZJS |
380 | continue; |
381 | ||
9466ec13 | 382 | else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-realized-mask", l, v, cg_mask_from_string, u->cgroup_realized_mask)) |
2d3b784d ZJS |
383 | continue; |
384 | ||
9466ec13 | 385 | else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-enabled-mask", l, v, cg_mask_from_string, u->cgroup_enabled_mask)) |
2d3b784d ZJS |
386 | continue; |
387 | ||
9466ec13 | 388 | else if (MATCH_DESERIALIZE_IMMEDIATE("cgroup-invalidated-mask", l, v, cg_mask_from_string, u->cgroup_invalidated_mask)) |
2d3b784d ZJS |
389 | continue; |
390 | ||
3d027d4d JK |
391 | else if (STR_IN_SET(l, "ipv4-socket-bind-bpf-link-fd", "ipv6-socket-bind-bpf-link-fd")) { |
392 | int fd; | |
393 | ||
e652663a | 394 | if ((fd = parse_fd(v)) < 0 || !fdset_contains(fds, fd)) |
3d027d4d JK |
395 | log_unit_debug(u, "Failed to parse %s value: %s, ignoring.", l, v); |
396 | else { | |
397 | if (fdset_remove(fds, fd) < 0) { | |
398 | log_unit_debug(u, "Failed to remove %s value=%d from fdset", l, fd); | |
3d027d4d JK |
399 | continue; |
400 | } | |
401 | ||
cd09a5f3 | 402 | (void) bpf_socket_bind_add_initial_link_fd(u, fd); |
3d027d4d JK |
403 | } |
404 | continue; | |
3d027d4d | 405 | |
b57d7523 LP |
406 | } else if (streq(l, "ip-bpf-ingress-installed")) { |
407 | (void) bpf_program_deserialize_attachment(v, fds, &u->ip_bpf_ingress_installed); | |
408 | continue; | |
409 | } else if (streq(l, "ip-bpf-egress-installed")) { | |
410 | (void) bpf_program_deserialize_attachment(v, fds, &u->ip_bpf_egress_installed); | |
411 | continue; | |
0b4f8d94 AZ |
412 | } else if (streq(l, "bpf-device-control-installed")) { |
413 | (void) bpf_program_deserialize_attachment(v, fds, &u->bpf_device_control_installed); | |
414 | continue; | |
b57d7523 LP |
415 | |
416 | } else if (streq(l, "ip-bpf-custom-ingress-installed")) { | |
417 | (void) bpf_program_deserialize_attachment_set(v, fds, &u->ip_bpf_custom_ingress_installed); | |
418 | continue; | |
419 | } else if (streq(l, "ip-bpf-custom-egress-installed")) { | |
420 | (void) bpf_program_deserialize_attachment_set(v, fds, &u->ip_bpf_custom_egress_installed); | |
421 | continue; | |
422 | ||
6f50d4f7 MV |
423 | } else if (streq(l, "restrict-ifaces-bpf-fd")) { |
424 | int fd; | |
425 | ||
e652663a | 426 | if ((fd = parse_fd(v)) < 0 || !fdset_contains(fds, fd)) { |
6f50d4f7 MV |
427 | log_unit_debug(u, "Failed to parse restrict-ifaces-bpf-fd value: %s", v); |
428 | continue; | |
429 | } | |
430 | if (fdset_remove(fds, fd) < 0) { | |
431 | log_unit_debug(u, "Failed to remove restrict-ifaces-bpf-fd %d from fdset", fd); | |
432 | continue; | |
433 | } | |
434 | ||
435 | (void) restrict_network_interfaces_add_initial_link_fd(u, fd); | |
436 | continue; | |
437 | ||
b57d7523 | 438 | } else if (streq(l, "ref-uid")) { |
2d3b784d ZJS |
439 | uid_t uid; |
440 | ||
441 | r = parse_uid(v, &uid); | |
442 | if (r < 0) | |
9466ec13 | 443 | log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v); |
2d3b784d ZJS |
444 | else |
445 | unit_ref_uid_gid(u, uid, GID_INVALID); | |
2d3b784d ZJS |
446 | continue; |
447 | ||
448 | } else if (streq(l, "ref-gid")) { | |
449 | gid_t gid; | |
450 | ||
451 | r = parse_gid(v, &gid); | |
452 | if (r < 0) | |
9466ec13 | 453 | log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v); |
2d3b784d ZJS |
454 | else |
455 | unit_ref_uid_gid(u, UID_INVALID, gid); | |
2d3b784d ZJS |
456 | continue; |
457 | ||
458 | } else if (streq(l, "ref")) { | |
2d3b784d ZJS |
459 | r = strv_extend(&u->deserialized_refs, v); |
460 | if (r < 0) | |
461 | return log_oom(); | |
2d3b784d | 462 | continue; |
9466ec13 | 463 | |
2d3b784d ZJS |
464 | } else if (streq(l, "invocation-id")) { |
465 | sd_id128_t id; | |
466 | ||
467 | r = sd_id128_from_string(v, &id); | |
468 | if (r < 0) | |
9466ec13 | 469 | log_unit_debug(u, "Failed to parse \"%s=%s\", ignoring.", l, v); |
2d3b784d ZJS |
470 | else { |
471 | r = unit_set_invocation_id(u, id); | |
472 | if (r < 0) | |
473 | log_unit_warning_errno(u, r, "Failed to set invocation ID for unit: %m"); | |
474 | } | |
475 | ||
476 | continue; | |
2d3b784d | 477 | |
9466ec13 | 478 | } else if (MATCH_DESERIALIZE("freezer-state", l, v, freezer_state_from_string, u->freezer_state)) |
2d3b784d | 479 | continue; |
2d3b784d | 480 | |
ff68472a ZJS |
481 | else if (streq(l, "markers")) { |
482 | r = deserialize_markers(u, v); | |
483 | if (r < 0) | |
484 | log_unit_debug_errno(u, r, "Failed to deserialize \"%s=%s\", ignoring: %m", l, v); | |
485 | continue; | |
486 | } | |
487 | ||
2d3b784d ZJS |
488 | /* Check if this is an IP accounting metric serialization field */ |
489 | m = string_table_lookup(ip_accounting_metric_field, ELEMENTSOF(ip_accounting_metric_field), l); | |
490 | if (m >= 0) { | |
491 | uint64_t c; | |
492 | ||
493 | r = safe_atou64(v, &c); | |
494 | if (r < 0) | |
495 | log_unit_debug(u, "Failed to parse IP accounting value %s, ignoring.", v); | |
496 | else | |
497 | u->ip_accounting_extra[m] = c; | |
498 | continue; | |
499 | } | |
500 | ||
501 | m = string_table_lookup(io_accounting_metric_field_base, ELEMENTSOF(io_accounting_metric_field_base), l); | |
502 | if (m >= 0) { | |
503 | uint64_t c; | |
504 | ||
505 | r = safe_atou64(v, &c); | |
506 | if (r < 0) | |
507 | log_unit_debug(u, "Failed to parse IO accounting base value %s, ignoring.", v); | |
508 | else | |
509 | u->io_accounting_base[m] = c; | |
510 | continue; | |
511 | } | |
512 | ||
513 | m = string_table_lookup(io_accounting_metric_field_last, ELEMENTSOF(io_accounting_metric_field_last), l); | |
514 | if (m >= 0) { | |
515 | uint64_t c; | |
516 | ||
517 | r = safe_atou64(v, &c); | |
518 | if (r < 0) | |
519 | log_unit_debug(u, "Failed to parse IO accounting last value %s, ignoring.", v); | |
520 | else | |
521 | u->io_accounting_last[m] = c; | |
522 | continue; | |
523 | } | |
524 | ||
e76506b7 | 525 | r = exec_shared_runtime_deserialize_compat(u, l, v, fds); |
fe50aae5 ZJS |
526 | if (r < 0) { |
527 | log_unit_warning(u, "Failed to deserialize runtime parameter '%s', ignoring.", l); | |
528 | continue; | |
529 | } else if (r > 0) | |
2d3b784d | 530 | /* Returns positive if key was handled by the call */ |
fe50aae5 | 531 | continue; |
2d3b784d | 532 | |
1085c0eb | 533 | if (UNIT_VTABLE(u)->deserialize_item) { |
2d3b784d ZJS |
534 | r = UNIT_VTABLE(u)->deserialize_item(u, l, v, fds); |
535 | if (r < 0) | |
536 | log_unit_warning(u, "Failed to deserialize unit parameter '%s', ignoring.", l); | |
537 | } | |
538 | } | |
539 | ||
540 | /* Versions before 228 did not carry a state change timestamp. In this case, take the current | |
541 | * time. This is useful, so that timeouts based on this timestamp don't trigger too early, and is | |
542 | * in-line with the logic from before 228 where the base for timeouts was not persistent across | |
543 | * reboots. */ | |
544 | ||
545 | if (!dual_timestamp_is_set(&u->state_change_timestamp)) | |
546 | dual_timestamp_get(&u->state_change_timestamp); | |
547 | ||
548 | /* Let's make sure that everything that is deserialized also gets any potential new cgroup settings | |
549 | * applied after we are done. For that we invalidate anything already realized, so that we can | |
550 | * realize it again. */ | |
cc815b7f MK |
551 | if (u->cgroup_realized) { |
552 | unit_invalidate_cgroup(u, _CGROUP_MASK_ALL); | |
553 | unit_invalidate_cgroup_bpf(u); | |
554 | } | |
2d3b784d ZJS |
555 | |
556 | return 0; | |
557 | } | |
558 | ||
559 | int unit_deserialize_skip(FILE *f) { | |
560 | int r; | |
561 | assert(f); | |
562 | ||
563 | /* Skip serialized data for this unit. We don't know what it is. */ | |
564 | ||
565 | for (;;) { | |
566 | _cleanup_free_ char *line = NULL; | |
567 | char *l; | |
568 | ||
569 | r = read_line(f, LONG_LINE_MAX, &line); | |
570 | if (r < 0) | |
571 | return log_error_errno(r, "Failed to read serialization line: %m"); | |
572 | if (r == 0) | |
573 | return 0; | |
574 | ||
575 | l = strstrip(line); | |
576 | ||
577 | /* End marker */ | |
578 | if (isempty(l)) | |
579 | return 1; | |
580 | } | |
581 | } | |
582 | ||
583 | static void print_unit_dependency_mask(FILE *f, const char *kind, UnitDependencyMask mask, bool *space) { | |
584 | const struct { | |
585 | UnitDependencyMask mask; | |
586 | const char *name; | |
587 | } table[] = { | |
588 | { UNIT_DEPENDENCY_FILE, "file" }, | |
589 | { UNIT_DEPENDENCY_IMPLICIT, "implicit" }, | |
590 | { UNIT_DEPENDENCY_DEFAULT, "default" }, | |
591 | { UNIT_DEPENDENCY_UDEV, "udev" }, | |
592 | { UNIT_DEPENDENCY_PATH, "path" }, | |
87c734ee FB |
593 | { UNIT_DEPENDENCY_MOUNT_FILE, "mount-file" }, |
594 | { UNIT_DEPENDENCY_MOUNTINFO, "mountinfo" }, | |
2d3b784d | 595 | { UNIT_DEPENDENCY_PROC_SWAP, "proc-swap" }, |
899acf5c | 596 | { UNIT_DEPENDENCY_SLICE_PROPERTY, "slice-property" }, |
2d3b784d ZJS |
597 | }; |
598 | ||
599 | assert(f); | |
600 | assert(kind); | |
601 | assert(space); | |
602 | ||
603 | for (size_t i = 0; i < ELEMENTSOF(table); i++) { | |
604 | ||
605 | if (mask == 0) | |
606 | break; | |
607 | ||
608 | if (FLAGS_SET(mask, table[i].mask)) { | |
609 | if (*space) | |
610 | fputc(' ', f); | |
611 | else | |
612 | *space = true; | |
613 | ||
614 | fputs(kind, f); | |
615 | fputs("-", f); | |
616 | fputs(table[i].name, f); | |
617 | ||
618 | mask &= ~table[i].mask; | |
619 | } | |
620 | } | |
621 | ||
622 | assert(mask == 0); | |
623 | } | |
624 | ||
625 | void unit_dump(Unit *u, FILE *f, const char *prefix) { | |
de010b0b | 626 | char *t; |
2d3b784d | 627 | const char *prefix2; |
2d3b784d ZJS |
628 | Unit *following; |
629 | _cleanup_set_free_ Set *following_set = NULL; | |
630 | CGroupMask m; | |
631 | int r; | |
632 | ||
633 | assert(u); | |
634 | assert(u->type >= 0); | |
635 | ||
636 | prefix = strempty(prefix); | |
637 | prefix2 = strjoina(prefix, "\t"); | |
638 | ||
639 | fprintf(f, | |
640 | "%s-> Unit %s:\n", | |
641 | prefix, u->id); | |
642 | ||
643 | SET_FOREACH(t, u->aliases) | |
644 | fprintf(f, "%s\tAlias: %s\n", prefix, t); | |
645 | ||
646 | fprintf(f, | |
647 | "%s\tDescription: %s\n" | |
648 | "%s\tInstance: %s\n" | |
649 | "%s\tUnit Load State: %s\n" | |
650 | "%s\tUnit Active State: %s\n" | |
651 | "%s\tState Change Timestamp: %s\n" | |
652 | "%s\tInactive Exit Timestamp: %s\n" | |
653 | "%s\tActive Enter Timestamp: %s\n" | |
654 | "%s\tActive Exit Timestamp: %s\n" | |
655 | "%s\tInactive Enter Timestamp: %s\n" | |
656 | "%s\tMay GC: %s\n" | |
657 | "%s\tNeed Daemon Reload: %s\n" | |
658 | "%s\tTransient: %s\n" | |
659 | "%s\tPerpetual: %s\n" | |
39628fed | 660 | "%s\tGarbage Collection Mode: %s\n", |
2d3b784d ZJS |
661 | prefix, unit_description(u), |
662 | prefix, strna(u->instance), | |
663 | prefix, unit_load_state_to_string(u->load_state), | |
664 | prefix, unit_active_state_to_string(unit_active_state(u)), | |
04f5c018 ZJS |
665 | prefix, strna(FORMAT_TIMESTAMP(u->state_change_timestamp.realtime)), |
666 | prefix, strna(FORMAT_TIMESTAMP(u->inactive_exit_timestamp.realtime)), | |
667 | prefix, strna(FORMAT_TIMESTAMP(u->active_enter_timestamp.realtime)), | |
668 | prefix, strna(FORMAT_TIMESTAMP(u->active_exit_timestamp.realtime)), | |
669 | prefix, strna(FORMAT_TIMESTAMP(u->inactive_enter_timestamp.realtime)), | |
2d3b784d ZJS |
670 | prefix, yes_no(unit_may_gc(u)), |
671 | prefix, yes_no(unit_need_daemon_reload(u)), | |
672 | prefix, yes_no(u->transient), | |
673 | prefix, yes_no(u->perpetual), | |
39628fed | 674 | prefix, collect_mode_to_string(u->collect_mode)); |
2d3b784d | 675 | |
ff68472a ZJS |
676 | if (u->markers != 0) { |
677 | fprintf(f, "%s\tMarkers:", prefix); | |
678 | ||
679 | for (UnitMarker marker = 0; marker < _UNIT_MARKER_MAX; marker++) | |
680 | if (FLAGS_SET(u->markers, 1u << marker)) | |
681 | fprintf(f, " %s", unit_marker_to_string(marker)); | |
682 | fputs("\n", f); | |
683 | } | |
684 | ||
39628fed LP |
685 | if (UNIT_HAS_CGROUP_CONTEXT(u)) { |
686 | fprintf(f, | |
687 | "%s\tSlice: %s\n" | |
688 | "%s\tCGroup: %s\n" | |
689 | "%s\tCGroup realized: %s\n", | |
690 | prefix, strna(unit_slice_name(u)), | |
691 | prefix, strna(u->cgroup_path), | |
692 | prefix, yes_no(u->cgroup_realized)); | |
693 | ||
694 | if (u->cgroup_realized_mask != 0) { | |
695 | _cleanup_free_ char *s = NULL; | |
696 | (void) cg_mask_to_string(u->cgroup_realized_mask, &s); | |
697 | fprintf(f, "%s\tCGroup realized mask: %s\n", prefix, strnull(s)); | |
698 | } | |
2d3b784d | 699 | |
39628fed LP |
700 | if (u->cgroup_enabled_mask != 0) { |
701 | _cleanup_free_ char *s = NULL; | |
702 | (void) cg_mask_to_string(u->cgroup_enabled_mask, &s); | |
703 | fprintf(f, "%s\tCGroup enabled mask: %s\n", prefix, strnull(s)); | |
704 | } | |
2d3b784d | 705 | |
39628fed LP |
706 | m = unit_get_own_mask(u); |
707 | if (m != 0) { | |
708 | _cleanup_free_ char *s = NULL; | |
709 | (void) cg_mask_to_string(m, &s); | |
710 | fprintf(f, "%s\tCGroup own mask: %s\n", prefix, strnull(s)); | |
711 | } | |
2d3b784d | 712 | |
39628fed LP |
713 | m = unit_get_members_mask(u); |
714 | if (m != 0) { | |
715 | _cleanup_free_ char *s = NULL; | |
716 | (void) cg_mask_to_string(m, &s); | |
717 | fprintf(f, "%s\tCGroup members mask: %s\n", prefix, strnull(s)); | |
718 | } | |
2d3b784d | 719 | |
39628fed LP |
720 | m = unit_get_delegate_mask(u); |
721 | if (m != 0) { | |
722 | _cleanup_free_ char *s = NULL; | |
723 | (void) cg_mask_to_string(m, &s); | |
724 | fprintf(f, "%s\tCGroup delegate mask: %s\n", prefix, strnull(s)); | |
725 | } | |
2d3b784d ZJS |
726 | } |
727 | ||
728 | if (!sd_id128_is_null(u->invocation_id)) | |
729 | fprintf(f, "%s\tInvocation ID: " SD_ID128_FORMAT_STR "\n", | |
730 | prefix, SD_ID128_FORMAT_VAL(u->invocation_id)); | |
731 | ||
732 | STRV_FOREACH(j, u->documentation) | |
733 | fprintf(f, "%s\tDocumentation: %s\n", prefix, *j); | |
734 | ||
23e9a7dd LP |
735 | if (u->access_selinux_context) |
736 | fprintf(f, "%s\tAccess SELinux Context: %s\n", prefix, u->access_selinux_context); | |
737 | ||
2d3b784d ZJS |
738 | following = unit_following(u); |
739 | if (following) | |
740 | fprintf(f, "%s\tFollowing: %s\n", prefix, following->id); | |
741 | ||
742 | r = unit_following_set(u, &following_set); | |
743 | if (r >= 0) { | |
744 | Unit *other; | |
745 | ||
746 | SET_FOREACH(other, following_set) | |
747 | fprintf(f, "%s\tFollowing Set Member: %s\n", prefix, other->id); | |
748 | } | |
749 | ||
750 | if (u->fragment_path) | |
751 | fprintf(f, "%s\tFragment Path: %s\n", prefix, u->fragment_path); | |
752 | ||
753 | if (u->source_path) | |
754 | fprintf(f, "%s\tSource Path: %s\n", prefix, u->source_path); | |
755 | ||
756 | STRV_FOREACH(j, u->dropin_paths) | |
757 | fprintf(f, "%s\tDropIn Path: %s\n", prefix, *j); | |
758 | ||
759 | if (u->failure_action != EMERGENCY_ACTION_NONE) | |
760 | fprintf(f, "%s\tFailure Action: %s\n", prefix, emergency_action_to_string(u->failure_action)); | |
761 | if (u->failure_action_exit_status >= 0) | |
762 | fprintf(f, "%s\tFailure Action Exit Status: %i\n", prefix, u->failure_action_exit_status); | |
763 | if (u->success_action != EMERGENCY_ACTION_NONE) | |
764 | fprintf(f, "%s\tSuccess Action: %s\n", prefix, emergency_action_to_string(u->success_action)); | |
765 | if (u->success_action_exit_status >= 0) | |
766 | fprintf(f, "%s\tSuccess Action Exit Status: %i\n", prefix, u->success_action_exit_status); | |
767 | ||
768 | if (u->job_timeout != USEC_INFINITY) | |
5291f26d | 769 | fprintf(f, "%s\tJob Timeout: %s\n", prefix, FORMAT_TIMESPAN(u->job_timeout, 0)); |
2d3b784d ZJS |
770 | |
771 | if (u->job_timeout_action != EMERGENCY_ACTION_NONE) | |
772 | fprintf(f, "%s\tJob Timeout Action: %s\n", prefix, emergency_action_to_string(u->job_timeout_action)); | |
773 | ||
774 | if (u->job_timeout_reboot_arg) | |
775 | fprintf(f, "%s\tJob Timeout Reboot Argument: %s\n", prefix, u->job_timeout_reboot_arg); | |
776 | ||
777 | condition_dump_list(u->conditions, f, prefix, condition_type_to_string); | |
778 | condition_dump_list(u->asserts, f, prefix, assert_type_to_string); | |
779 | ||
780 | if (dual_timestamp_is_set(&u->condition_timestamp)) | |
781 | fprintf(f, | |
782 | "%s\tCondition Timestamp: %s\n" | |
783 | "%s\tCondition Result: %s\n", | |
04f5c018 | 784 | prefix, strna(FORMAT_TIMESTAMP(u->condition_timestamp.realtime)), |
2d3b784d ZJS |
785 | prefix, yes_no(u->condition_result)); |
786 | ||
787 | if (dual_timestamp_is_set(&u->assert_timestamp)) | |
788 | fprintf(f, | |
789 | "%s\tAssert Timestamp: %s\n" | |
790 | "%s\tAssert Result: %s\n", | |
04f5c018 | 791 | prefix, strna(FORMAT_TIMESTAMP(u->assert_timestamp.realtime)), |
2d3b784d ZJS |
792 | prefix, yes_no(u->assert_result)); |
793 | ||
794 | for (UnitDependency d = 0; d < _UNIT_DEPENDENCY_MAX; d++) { | |
795 | UnitDependencyInfo di; | |
796 | Unit *other; | |
797 | ||
15ed3c3a | 798 | HASHMAP_FOREACH_KEY(di.data, other, unit_get_dependencies(u, d)) { |
2d3b784d ZJS |
799 | bool space = false; |
800 | ||
801 | fprintf(f, "%s\t%s: %s (", prefix, unit_dependency_to_string(d), other->id); | |
802 | ||
803 | print_unit_dependency_mask(f, "origin", di.origin_mask, &space); | |
804 | print_unit_dependency_mask(f, "destination", di.destination_mask, &space); | |
805 | ||
806 | fputs(")\n", f); | |
807 | } | |
808 | } | |
809 | ||
810 | if (!hashmap_isempty(u->requires_mounts_for)) { | |
811 | UnitDependencyInfo di; | |
812 | const char *path; | |
813 | ||
814 | HASHMAP_FOREACH_KEY(di.data, path, u->requires_mounts_for) { | |
815 | bool space = false; | |
816 | ||
817 | fprintf(f, "%s\tRequiresMountsFor: %s (", prefix, path); | |
818 | ||
819 | print_unit_dependency_mask(f, "origin", di.origin_mask, &space); | |
820 | print_unit_dependency_mask(f, "destination", di.destination_mask, &space); | |
821 | ||
822 | fputs(")\n", f); | |
823 | } | |
824 | } | |
825 | ||
826 | if (u->load_state == UNIT_LOADED) { | |
827 | ||
828 | fprintf(f, | |
829 | "%s\tStopWhenUnneeded: %s\n" | |
830 | "%s\tRefuseManualStart: %s\n" | |
831 | "%s\tRefuseManualStop: %s\n" | |
832 | "%s\tDefaultDependencies: %s\n" | |
294446dc | 833 | "%s\tOnSuccessJobMode: %s\n" |
2d3b784d ZJS |
834 | "%s\tOnFailureJobMode: %s\n" |
835 | "%s\tIgnoreOnIsolate: %s\n", | |
836 | prefix, yes_no(u->stop_when_unneeded), | |
837 | prefix, yes_no(u->refuse_manual_start), | |
838 | prefix, yes_no(u->refuse_manual_stop), | |
839 | prefix, yes_no(u->default_dependencies), | |
294446dc | 840 | prefix, job_mode_to_string(u->on_success_job_mode), |
2d3b784d ZJS |
841 | prefix, job_mode_to_string(u->on_failure_job_mode), |
842 | prefix, yes_no(u->ignore_on_isolate)); | |
843 | ||
844 | if (UNIT_VTABLE(u)->dump) | |
845 | UNIT_VTABLE(u)->dump(u, f, prefix2); | |
846 | ||
847 | } else if (u->load_state == UNIT_MERGED) | |
848 | fprintf(f, | |
849 | "%s\tMerged into: %s\n", | |
850 | prefix, u->merged_into->id); | |
38553034 ZJS |
851 | else if (u->load_state == UNIT_ERROR) { |
852 | errno = abs(u->load_error); | |
853 | fprintf(f, "%s\tLoad Error Code: %m\n", prefix); | |
854 | } | |
2d3b784d ZJS |
855 | |
856 | for (const char *n = sd_bus_track_first(u->bus_track); n; n = sd_bus_track_next(u->bus_track)) | |
857 | fprintf(f, "%s\tBus Ref: %s\n", prefix, n); | |
858 | ||
859 | if (u->job) | |
860 | job_dump(u->job, f, prefix2); | |
861 | ||
862 | if (u->nop_job) | |
863 | job_dump(u->nop_job, f, prefix2); | |
864 | } |