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1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ | |
2 | ||
3 | #include <errno.h> | |
4 | #include <sys/utsname.h> | |
5 | #include <sys/stat.h> | |
6 | #include <sys/types.h> | |
7 | #include <unistd.h> | |
8 | ||
9 | #include "alloc-util.h" | |
10 | #include "bus-common-errors.h" | |
11 | #include "bus-get-properties.h" | |
12 | #include "bus-log-control-api.h" | |
13 | #include "bus-polkit.h" | |
14 | #include "constants.h" | |
15 | #include "env-file-label.h" | |
16 | #include "env-file.h" | |
17 | #include "env-util.h" | |
18 | #include "fileio-label.h" | |
19 | #include "fileio.h" | |
20 | #include "hostname-setup.h" | |
21 | #include "hostname-util.h" | |
22 | #include "id128-util.h" | |
23 | #include "json.h" | |
24 | #include "main-func.h" | |
25 | #include "missing_capability.h" | |
26 | #include "nscd-flush.h" | |
27 | #include "nulstr-util.h" | |
28 | #include "os-util.h" | |
29 | #include "parse-util.h" | |
30 | #include "path-util.h" | |
31 | #include "sd-device.h" | |
32 | #include "selinux-util.h" | |
33 | #include "service-util.h" | |
34 | #include "signal-util.h" | |
35 | #include "stat-util.h" | |
36 | #include "string-table.h" | |
37 | #include "strv.h" | |
38 | #include "user-util.h" | |
39 | #include "virt.h" | |
40 | ||
41 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") | |
42 | ||
43 | /* Properties we cache are indexed by an enum, to make invalidation easy and systematic (as we can iterate | |
44 | * through them all, and they are uniformly strings). */ | |
45 | typedef enum { | |
46 | /* Read from /etc/hostname */ | |
47 | PROP_STATIC_HOSTNAME, | |
48 | ||
49 | /* Read from /etc/machine-info */ | |
50 | PROP_PRETTY_HOSTNAME, | |
51 | PROP_ICON_NAME, | |
52 | PROP_CHASSIS, | |
53 | PROP_DEPLOYMENT, | |
54 | PROP_LOCATION, | |
55 | PROP_HARDWARE_VENDOR, | |
56 | PROP_HARDWARE_MODEL, | |
57 | ||
58 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
59 | PROP_OS_PRETTY_NAME, | |
60 | PROP_OS_CPE_NAME, | |
61 | PROP_OS_HOME_URL, | |
62 | PROP_OS_SUPPORT_END, | |
63 | _PROP_MAX, | |
64 | _PROP_INVALID = -EINVAL, | |
65 | } HostProperty; | |
66 | ||
67 | typedef struct Context { | |
68 | char *data[_PROP_MAX]; | |
69 | ||
70 | HostnameSource hostname_source; | |
71 | ||
72 | struct stat etc_hostname_stat; | |
73 | struct stat etc_os_release_stat; | |
74 | struct stat etc_machine_info_stat; | |
75 | ||
76 | Hashmap *polkit_registry; | |
77 | } Context; | |
78 | ||
79 | static void context_reset(Context *c, uint64_t mask) { | |
80 | assert(c); | |
81 | ||
82 | for (int p = 0; p < _PROP_MAX; p++) { | |
83 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) | |
84 | continue; | |
85 | ||
86 | c->data[p] = mfree(c->data[p]); | |
87 | } | |
88 | } | |
89 | ||
90 | static void context_destroy(Context *c) { | |
91 | assert(c); | |
92 | ||
93 | context_reset(c, UINT64_MAX); | |
94 | bus_verify_polkit_async_registry_free(c->polkit_registry); | |
95 | } | |
96 | ||
97 | static void context_read_etc_hostname(Context *c) { | |
98 | struct stat current_stat = {}; | |
99 | int r; | |
100 | ||
101 | assert(c); | |
102 | ||
103 | if (stat("/etc/hostname", ¤t_stat) >= 0 && | |
104 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
105 | return; | |
106 | ||
107 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
108 | ||
109 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); | |
110 | if (r < 0 && r != -ENOENT) | |
111 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); | |
112 | ||
113 | c->etc_hostname_stat = current_stat; | |
114 | } | |
115 | ||
116 | static void context_read_machine_info(Context *c) { | |
117 | struct stat current_stat = {}; | |
118 | int r; | |
119 | ||
120 | assert(c); | |
121 | ||
122 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
123 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
124 | return; | |
125 | ||
126 | context_reset(c, | |
127 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
128 | (UINT64_C(1) << PROP_ICON_NAME) | | |
129 | (UINT64_C(1) << PROP_CHASSIS) | | |
130 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
131 | (UINT64_C(1) << PROP_LOCATION) | | |
132 | (UINT64_C(1) << PROP_HARDWARE_VENDOR) | | |
133 | (UINT64_C(1) << PROP_HARDWARE_MODEL)); | |
134 | ||
135 | r = parse_env_file(NULL, "/etc/machine-info", | |
136 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], | |
137 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
138 | "CHASSIS", &c->data[PROP_CHASSIS], | |
139 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], | |
140 | "LOCATION", &c->data[PROP_LOCATION], | |
141 | "HARDWARE_VENDOR", &c->data[PROP_HARDWARE_VENDOR], | |
142 | "HARDWARE_MODEL", &c->data[PROP_HARDWARE_MODEL]); | |
143 | if (r < 0 && r != -ENOENT) | |
144 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); | |
145 | ||
146 | c->etc_machine_info_stat = current_stat; | |
147 | } | |
148 | ||
149 | static void context_read_os_release(Context *c) { | |
150 | _cleanup_free_ char *os_name = NULL, *os_pretty_name = NULL; | |
151 | struct stat current_stat = {}; | |
152 | int r; | |
153 | ||
154 | assert(c); | |
155 | ||
156 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
157 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
158 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
159 | return; | |
160 | ||
161 | context_reset(c, | |
162 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
163 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
164 | (UINT64_C(1) << PROP_OS_HOME_URL) | | |
165 | (UINT64_C(1) << PROP_OS_SUPPORT_END)); | |
166 | ||
167 | r = parse_os_release(NULL, | |
168 | "PRETTY_NAME", &os_pretty_name, | |
169 | "NAME", &os_name, | |
170 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
171 | "HOME_URL", &c->data[PROP_OS_HOME_URL], | |
172 | "SUPPORT_END", &c->data[PROP_OS_SUPPORT_END]); | |
173 | if (r < 0 && r != -ENOENT) | |
174 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); | |
175 | ||
176 | if (free_and_strdup(&c->data[PROP_OS_PRETTY_NAME], os_release_pretty_name(os_pretty_name, os_name)) < 0) | |
177 | log_oom(); | |
178 | ||
179 | c->etc_os_release_stat = current_stat; | |
180 | } | |
181 | ||
182 | static bool use_dmi_data(void) { | |
183 | int r; | |
184 | ||
185 | r = getenv_bool("SYSTEMD_HOSTNAME_FORCE_DMI"); | |
186 | if (r >= 0) { | |
187 | log_debug("Honouring $SYSTEMD_HOSTNAME_FORCE_DMI override: %s", yes_no(r)); | |
188 | return r; | |
189 | } | |
190 | if (r != -ENXIO) | |
191 | log_debug_errno(r, "Failed to parse $SYSTEMD_HOSTNAME_FORCE_DMI, ignoring: %m"); | |
192 | ||
193 | if (detect_container() > 0) { | |
194 | log_debug("Running in a container, not using DMI hardware data."); | |
195 | return false; | |
196 | } | |
197 | ||
198 | return true; | |
199 | } | |
200 | ||
201 | static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) { | |
202 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
203 | _cleanup_free_ char *b = NULL; | |
204 | const char *s = NULL; | |
205 | int r; | |
206 | ||
207 | if (!use_dmi_data()) | |
208 | return -ENOENT; | |
209 | ||
210 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
211 | if (r < 0) | |
212 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
213 | ||
214 | if (database_key) | |
215 | (void) sd_device_get_property_value(device, database_key, &s); | |
216 | if (!s && regular_key) | |
217 | (void) sd_device_get_property_value(device, regular_key, &s); | |
218 | ||
219 | if (!ret) | |
220 | return !!s; | |
221 | ||
222 | if (s) { | |
223 | b = strdup(s); | |
224 | if (!b) | |
225 | return -ENOMEM; | |
226 | } | |
227 | ||
228 | *ret = TAKE_PTR(b); | |
229 | return !!s; | |
230 | } | |
231 | ||
232 | static int get_hardware_vendor(char **ret) { | |
233 | return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret); | |
234 | } | |
235 | ||
236 | static int get_hardware_model(char **ret) { | |
237 | return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret); | |
238 | } | |
239 | ||
240 | static int get_hardware_firmware_data(const char *sysattr, char **ret) { | |
241 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
242 | _cleanup_free_ char *b = NULL; | |
243 | const char *s = NULL; | |
244 | int r; | |
245 | ||
246 | assert(sysattr); | |
247 | ||
248 | if (!use_dmi_data()) | |
249 | return -ENOENT; | |
250 | ||
251 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
252 | if (r < 0) | |
253 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
254 | ||
255 | (void) sd_device_get_sysattr_value(device, sysattr, &s); | |
256 | if (!isempty(s)) { | |
257 | b = strdup(s); | |
258 | if (!b) | |
259 | return -ENOMEM; | |
260 | } | |
261 | ||
262 | if (ret) | |
263 | *ret = TAKE_PTR(b); | |
264 | ||
265 | return !isempty(s); | |
266 | } | |
267 | ||
268 | static int get_hardware_serial(char **ret) { | |
269 | int r; | |
270 | ||
271 | r = get_hardware_firmware_data("product_serial", ret); | |
272 | if (r <= 0) | |
273 | return get_hardware_firmware_data("board_serial", ret); | |
274 | ||
275 | return r; | |
276 | } | |
277 | ||
278 | static int get_firmware_version(char **ret) { | |
279 | return get_hardware_firmware_data("bios_version", ret); | |
280 | } | |
281 | ||
282 | static int get_firmware_vendor(char **ret) { | |
283 | return get_hardware_firmware_data("bios_vendor", ret); | |
284 | } | |
285 | ||
286 | static int get_firmware_date(usec_t *ret) { | |
287 | _cleanup_free_ char *bios_date = NULL, *month = NULL, *day = NULL, *year = NULL; | |
288 | int r; | |
289 | ||
290 | assert(ret); | |
291 | ||
292 | r = get_hardware_firmware_data("bios_date", &bios_date); | |
293 | if (r < 0) | |
294 | return r; | |
295 | if (r == 0) { | |
296 | *ret = USEC_INFINITY; | |
297 | return 0; | |
298 | } | |
299 | ||
300 | const char *p = bios_date; | |
301 | r = extract_many_words(&p, "/", EXTRACT_DONT_COALESCE_SEPARATORS, &month, &day, &year, NULL); | |
302 | if (r < 0) | |
303 | return r; | |
304 | if (r != 3) /* less than three args read? */ | |
305 | return -EINVAL; | |
306 | if (!isempty(p)) /* more left in the string? */ | |
307 | return -EINVAL; | |
308 | ||
309 | unsigned m, d, y; | |
310 | r = safe_atou_full(month, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &m); | |
311 | if (r < 0) | |
312 | return r; | |
313 | if (m < 1 || m > 12) | |
314 | return -EINVAL; | |
315 | m -= 1; | |
316 | ||
317 | r = safe_atou_full(day, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &d); | |
318 | if (r < 0) | |
319 | return r; | |
320 | if (d < 1 || d > 31) | |
321 | return -EINVAL; | |
322 | ||
323 | r = safe_atou_full(year, 10 | SAFE_ATO_REFUSE_PLUS_MINUS | SAFE_ATO_REFUSE_LEADING_WHITESPACE, &y); | |
324 | if (r < 0) | |
325 | return r; | |
326 | if (y < 1970 || y > (unsigned) INT_MAX) | |
327 | return -EINVAL; | |
328 | y -= 1900; | |
329 | ||
330 | struct tm tm = { | |
331 | .tm_mday = d, | |
332 | .tm_mon = m, | |
333 | .tm_year = y, | |
334 | }; | |
335 | time_t v = timegm(&tm); | |
336 | if (v == (time_t) -1) | |
337 | return -errno; | |
338 | if (tm.tm_mday != (int) d || tm.tm_mon != (int) m || tm.tm_year != (int) y) | |
339 | return -EINVAL; /* date was not normalized? (e.g. "30th of feb") */ | |
340 | ||
341 | *ret = (usec_t) v * USEC_PER_SEC; | |
342 | ||
343 | return 0; | |
344 | } | |
345 | ||
346 | static const char* valid_chassis(const char *chassis) { | |
347 | assert(chassis); | |
348 | ||
349 | return nulstr_get( | |
350 | "vm\0" | |
351 | "container\0" | |
352 | "desktop\0" | |
353 | "laptop\0" | |
354 | "convertible\0" | |
355 | "server\0" | |
356 | "tablet\0" | |
357 | "handset\0" | |
358 | "watch\0" | |
359 | "embedded\0", | |
360 | chassis); | |
361 | } | |
362 | ||
363 | static bool valid_deployment(const char *deployment) { | |
364 | assert(deployment); | |
365 | ||
366 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); | |
367 | } | |
368 | ||
369 | static const char* fallback_chassis(void) { | |
370 | const char *chassis; | |
371 | _cleanup_free_ char *type = NULL; | |
372 | Virtualization v; | |
373 | unsigned t; | |
374 | int r; | |
375 | ||
376 | v = detect_virtualization(); | |
377 | if (v < 0) | |
378 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
379 | else if (VIRTUALIZATION_IS_VM(v)) | |
380 | return "vm"; | |
381 | else if (VIRTUALIZATION_IS_CONTAINER(v)) | |
382 | return "container"; | |
383 | ||
384 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); | |
385 | if (r < 0) { | |
386 | log_debug_errno(r, "Failed to read DMI chassis type, ignoring: %m"); | |
387 | goto try_acpi; | |
388 | } | |
389 | ||
390 | r = safe_atou(type, &t); | |
391 | if (r < 0) { | |
392 | log_debug_errno(r, "Failed to parse DMI chassis type \"%s\", ignoring: %m", type); | |
393 | goto try_acpi; | |
394 | } | |
395 | ||
396 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any | |
397 | * additional guesswork on top of that. | |
398 | * | |
399 | * See the SMBIOS Specification 3.5.0 section 7.4.1 for details about the values listed here: | |
400 | * | |
401 | * https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.5.0.pdf | |
402 | */ | |
403 | ||
404 | switch (t) { | |
405 | ||
406 | case 0x03: /* Desktop */ | |
407 | case 0x04: /* Low Profile Desktop */ | |
408 | case 0x06: /* Mini Tower */ | |
409 | case 0x07: /* Tower */ | |
410 | case 0x0D: /* All in one (i.e. PC built into monitor) */ | |
411 | case 0x23: /* Mini PC */ | |
412 | case 0x24: /* Stick PC */ | |
413 | return "desktop"; | |
414 | ||
415 | case 0x8: /* Portable */ | |
416 | case 0x9: /* Laptop */ | |
417 | case 0xA: /* Notebook */ | |
418 | case 0xE: /* Sub Notebook */ | |
419 | return "laptop"; | |
420 | ||
421 | case 0xB: /* Hand Held */ | |
422 | return "handset"; | |
423 | ||
424 | case 0x11: /* Main Server Chassis */ | |
425 | case 0x1C: /* Blade */ | |
426 | case 0x1D: /* Blade Enclosure */ | |
427 | return "server"; | |
428 | ||
429 | case 0x1E: /* Tablet */ | |
430 | return "tablet"; | |
431 | ||
432 | case 0x1F: /* Convertible */ | |
433 | case 0x20: /* Detachable */ | |
434 | return "convertible"; | |
435 | ||
436 | case 0x21: /* IoT Gateway */ | |
437 | case 0x22: /* Embedded PC */ | |
438 | return "embedded"; | |
439 | ||
440 | default: | |
441 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
442 | } | |
443 | ||
444 | try_acpi: | |
445 | type = mfree(type); | |
446 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); | |
447 | if (r < 0) { | |
448 | log_debug_errno(r, "Failed read ACPI PM profile, ignoring: %m"); | |
449 | goto try_devicetree; | |
450 | } | |
451 | ||
452 | r = safe_atou(type, &t); | |
453 | if (r < 0) { | |
454 | log_debug_errno(r, "Failed parse ACPI PM profile \"%s\", ignoring: %m", type); | |
455 | goto try_devicetree; | |
456 | } | |
457 | ||
458 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. | |
459 | * | |
460 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
461 | * | |
462 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
463 | */ | |
464 | ||
465 | switch (t) { | |
466 | ||
467 | case 1: /* Desktop */ | |
468 | case 3: /* Workstation */ | |
469 | case 6: /* Appliance PC */ | |
470 | return "desktop"; | |
471 | ||
472 | case 2: /* Mobile */ | |
473 | return "laptop"; | |
474 | ||
475 | case 4: /* Enterprise Server */ | |
476 | case 5: /* SOHO Server */ | |
477 | case 7: /* Performance Server */ | |
478 | return "server"; | |
479 | ||
480 | case 8: /* Tablet */ | |
481 | return "tablet"; | |
482 | ||
483 | default: | |
484 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
485 | } | |
486 | ||
487 | try_devicetree: | |
488 | type = mfree(type); | |
489 | r = read_one_line_file("/proc/device-tree/chassis-type", &type); | |
490 | if (r < 0) { | |
491 | log_debug_errno(r, "Failed to read device-tree chassis type, ignoring: %m"); | |
492 | return NULL; | |
493 | } | |
494 | ||
495 | /* Note that the Devicetree specification uses the very same vocabulary | |
496 | * of chassis types as we do, hence we do not need to translate these types: | |
497 | * | |
498 | * https://github.com/devicetree-org/devicetree-specification/blob/master/source/chapter3-devicenodes.rst */ | |
499 | chassis = valid_chassis(type); | |
500 | if (!chassis) | |
501 | log_debug("Invalid device-tree chassis type \"%s\", ignoring.", type); | |
502 | return chassis; | |
503 | } | |
504 | ||
505 | static char* context_get_chassis(Context *c) { | |
506 | const char *fallback; | |
507 | char *dmi; | |
508 | ||
509 | assert(c); | |
510 | ||
511 | if (!isempty(c->data[PROP_CHASSIS])) | |
512 | return strdup(c->data[PROP_CHASSIS]); | |
513 | ||
514 | if (get_dmi_data("ID_CHASSIS", NULL, &dmi) > 0) | |
515 | return dmi; | |
516 | ||
517 | fallback = fallback_chassis(); | |
518 | if (fallback) | |
519 | return strdup(fallback); | |
520 | ||
521 | return NULL; | |
522 | } | |
523 | ||
524 | static char* context_fallback_icon_name(Context *c) { | |
525 | _cleanup_free_ char *chassis = NULL; | |
526 | ||
527 | assert(c); | |
528 | ||
529 | chassis = context_get_chassis(c); | |
530 | if (chassis) | |
531 | return strjoin("computer-", chassis); | |
532 | ||
533 | return strdup("computer"); | |
534 | } | |
535 | ||
536 | static int context_update_kernel_hostname( | |
537 | Context *c, | |
538 | const char *transient_hn) { | |
539 | ||
540 | _cleanup_free_ char *_hn_free = NULL; | |
541 | const char *hn; | |
542 | HostnameSource hns; | |
543 | int r; | |
544 | ||
545 | assert(c); | |
546 | ||
547 | /* /etc/hostname has the highest preference ... */ | |
548 | if (c->data[PROP_STATIC_HOSTNAME]) { | |
549 | hn = c->data[PROP_STATIC_HOSTNAME]; | |
550 | hns = HOSTNAME_STATIC; | |
551 | ||
552 | /* ... the transient hostname, (ie: DHCP) comes next ... */ | |
553 | } else if (transient_hn) { | |
554 | hn = transient_hn; | |
555 | hns = HOSTNAME_TRANSIENT; | |
556 | ||
557 | /* ... and the ultimate fallback */ | |
558 | } else { | |
559 | hn = _hn_free = get_default_hostname(); | |
560 | if (!hn) | |
561 | return log_oom(); | |
562 | ||
563 | hns = HOSTNAME_DEFAULT; | |
564 | } | |
565 | ||
566 | r = sethostname_idempotent(hn); | |
567 | if (r < 0) | |
568 | return log_error_errno(r, "Failed to set hostname: %m"); | |
569 | ||
570 | if (c->hostname_source != hns) { | |
571 | c->hostname_source = hns; | |
572 | r = 1; | |
573 | } | |
574 | ||
575 | (void) nscd_flush_cache(STRV_MAKE("hosts")); | |
576 | ||
577 | if (r == 0) | |
578 | log_debug("Hostname was already set to <%s>.", hn); | |
579 | else { | |
580 | log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns)); | |
581 | ||
582 | hostname_update_source_hint(hn, hns); | |
583 | } | |
584 | ||
585 | return r; /* 0 if no change, 1 if something was done */ | |
586 | } | |
587 | ||
588 | static void unset_statp(struct stat **p) { | |
589 | if (!*p) | |
590 | return; | |
591 | ||
592 | **p = (struct stat) {}; | |
593 | } | |
594 | ||
595 | static int context_write_data_static_hostname(Context *c) { | |
596 | _cleanup_(unset_statp) struct stat *s = NULL; | |
597 | int r; | |
598 | ||
599 | assert(c); | |
600 | ||
601 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated | |
602 | * already, even if we can't make it hit the disk. */ | |
603 | s = &c->etc_hostname_stat; | |
604 | ||
605 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { | |
606 | if (unlink("/etc/hostname") < 0 && errno != ENOENT) | |
607 | return -errno; | |
608 | ||
609 | TAKE_PTR(s); | |
610 | return 0; | |
611 | } | |
612 | ||
613 | r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); | |
614 | if (r < 0) | |
615 | return r; | |
616 | ||
617 | TAKE_PTR(s); | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static int context_write_data_machine_info(Context *c) { | |
622 | _cleanup_(unset_statp) struct stat *s = NULL; | |
623 | static const char * const name[_PROP_MAX] = { | |
624 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
625 | [PROP_ICON_NAME] = "ICON_NAME", | |
626 | [PROP_CHASSIS] = "CHASSIS", | |
627 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
628 | [PROP_LOCATION] = "LOCATION", | |
629 | }; | |
630 | _cleanup_strv_free_ char **l = NULL; | |
631 | int r; | |
632 | ||
633 | assert(c); | |
634 | ||
635 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated | |
636 | * already, even if we can't make it hit the disk. */ | |
637 | s = &c->etc_machine_info_stat; | |
638 | ||
639 | r = load_env_file(NULL, "/etc/machine-info", &l); | |
640 | if (r < 0 && r != -ENOENT) | |
641 | return r; | |
642 | ||
643 | for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { | |
644 | assert(name[p]); | |
645 | ||
646 | r = strv_env_assign(&l, name[p], empty_to_null(c->data[p])); | |
647 | if (r < 0) | |
648 | return r; | |
649 | } | |
650 | ||
651 | if (strv_isempty(l)) { | |
652 | if (unlink("/etc/machine-info") < 0 && errno != ENOENT) | |
653 | return -errno; | |
654 | ||
655 | TAKE_PTR(s); | |
656 | return 0; | |
657 | } | |
658 | ||
659 | r = write_env_file_label(AT_FDCWD, "/etc/machine-info", NULL, l); | |
660 | if (r < 0) | |
661 | return r; | |
662 | ||
663 | TAKE_PTR(s); | |
664 | return 0; | |
665 | } | |
666 | ||
667 | static int property_get_hardware_property( | |
668 | sd_bus_message *reply, | |
669 | Context *c, | |
670 | HostProperty prop, | |
671 | int (*getter)(char **)) { | |
672 | ||
673 | _cleanup_free_ char *from_dmi = NULL; | |
674 | ||
675 | assert(reply); | |
676 | assert(c); | |
677 | assert(IN_SET(prop, PROP_HARDWARE_VENDOR, PROP_HARDWARE_MODEL)); | |
678 | assert(getter); | |
679 | ||
680 | context_read_machine_info(c); | |
681 | ||
682 | if (isempty(c->data[prop])) | |
683 | (void) getter(&from_dmi); | |
684 | ||
685 | return sd_bus_message_append(reply, "s", from_dmi ?: c->data[prop]); | |
686 | } | |
687 | ||
688 | static int property_get_hardware_vendor( | |
689 | sd_bus *bus, | |
690 | const char *path, | |
691 | const char *interface, | |
692 | const char *property, | |
693 | sd_bus_message *reply, | |
694 | void *userdata, | |
695 | sd_bus_error *error) { | |
696 | ||
697 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_VENDOR, get_hardware_vendor); | |
698 | } | |
699 | ||
700 | static int property_get_hardware_model( | |
701 | sd_bus *bus, | |
702 | const char *path, | |
703 | const char *interface, | |
704 | const char *property, | |
705 | sd_bus_message *reply, | |
706 | void *userdata, | |
707 | sd_bus_error *error) { | |
708 | ||
709 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_MODEL, get_hardware_model); | |
710 | } | |
711 | ||
712 | static int property_get_firmware_version( | |
713 | sd_bus *bus, | |
714 | const char *path, | |
715 | const char *interface, | |
716 | const char *property, | |
717 | sd_bus_message *reply, | |
718 | void *userdata, | |
719 | sd_bus_error *error) { | |
720 | ||
721 | _cleanup_free_ char *firmware_version = NULL; | |
722 | ||
723 | (void) get_firmware_version(&firmware_version); | |
724 | ||
725 | return sd_bus_message_append(reply, "s", firmware_version); | |
726 | } | |
727 | ||
728 | static int property_get_firmware_vendor( | |
729 | sd_bus *bus, | |
730 | const char *path, | |
731 | const char *interface, | |
732 | const char *property, | |
733 | sd_bus_message *reply, | |
734 | void *userdata, | |
735 | sd_bus_error *error) { | |
736 | ||
737 | _cleanup_free_ char *firmware_vendor = NULL; | |
738 | ||
739 | (void) get_firmware_vendor(&firmware_vendor); | |
740 | ||
741 | return sd_bus_message_append(reply, "s", firmware_vendor); | |
742 | } | |
743 | ||
744 | static int property_get_firmware_date( | |
745 | sd_bus *bus, | |
746 | const char *path, | |
747 | const char *interface, | |
748 | const char *property, | |
749 | sd_bus_message *reply, | |
750 | void *userdata, | |
751 | sd_bus_error *error) { | |
752 | ||
753 | usec_t firmware_date = USEC_INFINITY; | |
754 | ||
755 | (void) get_firmware_date(&firmware_date); | |
756 | ||
757 | return sd_bus_message_append(reply, "t", firmware_date); | |
758 | } | |
759 | static int property_get_hostname( | |
760 | sd_bus *bus, | |
761 | const char *path, | |
762 | const char *interface, | |
763 | const char *property, | |
764 | sd_bus_message *reply, | |
765 | void *userdata, | |
766 | sd_bus_error *error) { | |
767 | ||
768 | _cleanup_free_ char *hn = NULL; | |
769 | int r; | |
770 | ||
771 | r = gethostname_strict(&hn); | |
772 | if (r < 0) { | |
773 | if (r != -ENXIO) | |
774 | return r; | |
775 | ||
776 | hn = get_default_hostname(); | |
777 | if (!hn) | |
778 | return -ENOMEM; | |
779 | } | |
780 | ||
781 | return sd_bus_message_append(reply, "s", hn); | |
782 | } | |
783 | ||
784 | static int property_get_static_hostname( | |
785 | sd_bus *bus, | |
786 | const char *path, | |
787 | const char *interface, | |
788 | const char *property, | |
789 | sd_bus_message *reply, | |
790 | void *userdata, | |
791 | sd_bus_error *error) { | |
792 | ||
793 | Context *c = ASSERT_PTR(userdata); | |
794 | ||
795 | context_read_etc_hostname(c); | |
796 | ||
797 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
798 | } | |
799 | ||
800 | static int property_get_default_hostname( | |
801 | sd_bus *bus, | |
802 | const char *path, | |
803 | const char *interface, | |
804 | const char *property, | |
805 | sd_bus_message *reply, | |
806 | void *userdata, | |
807 | sd_bus_error *error) { | |
808 | ||
809 | _cleanup_free_ char *hn = NULL; | |
810 | ||
811 | hn = get_default_hostname(); | |
812 | if (!hn) | |
813 | return log_oom(); | |
814 | ||
815 | return sd_bus_message_append(reply, "s", hn); | |
816 | } | |
817 | ||
818 | static void context_determine_hostname_source(Context *c) { | |
819 | _cleanup_free_ char *hostname = NULL; | |
820 | int r; | |
821 | ||
822 | assert(c); | |
823 | ||
824 | if (c->hostname_source >= 0) | |
825 | return; | |
826 | ||
827 | (void) gethostname_full(GET_HOSTNAME_ALLOW_LOCALHOST, &hostname); | |
828 | ||
829 | if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME])) | |
830 | c->hostname_source = HOSTNAME_STATIC; | |
831 | else { | |
832 | _cleanup_free_ char *fallback = NULL; | |
833 | ||
834 | /* If the hostname was not set by us, try to figure out where it came from. If we set it to | |
835 | * the default hostname, the file will tell us. We compare the string because it is possible | |
836 | * that the hostname was set by an older version that had a different fallback, in the initrd | |
837 | * or before we reexecuted. */ | |
838 | ||
839 | r = read_one_line_file("/run/systemd/default-hostname", &fallback); | |
840 | if (r < 0 && r != -ENOENT) | |
841 | log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m"); | |
842 | ||
843 | if (streq_ptr(fallback, hostname)) | |
844 | c->hostname_source = HOSTNAME_DEFAULT; | |
845 | else | |
846 | c->hostname_source = HOSTNAME_TRANSIENT; | |
847 | } | |
848 | } | |
849 | ||
850 | static int property_get_hostname_source( | |
851 | sd_bus *bus, | |
852 | const char *path, | |
853 | const char *interface, | |
854 | const char *property, | |
855 | sd_bus_message *reply, | |
856 | void *userdata, | |
857 | sd_bus_error *error) { | |
858 | ||
859 | Context *c = ASSERT_PTR(userdata); | |
860 | ||
861 | context_read_etc_hostname(c); | |
862 | context_determine_hostname_source(c); | |
863 | ||
864 | return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source)); | |
865 | } | |
866 | ||
867 | static int property_get_machine_info_field( | |
868 | sd_bus *bus, | |
869 | const char *path, | |
870 | const char *interface, | |
871 | const char *property, | |
872 | sd_bus_message *reply, | |
873 | void *userdata, | |
874 | sd_bus_error *error) { | |
875 | ||
876 | sd_bus_slot *slot; | |
877 | Context *c; | |
878 | ||
879 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
880 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
881 | * pointer to the property field inside the context object that we are supposed to update and | |
882 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
883 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
884 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
885 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
886 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
887 | * directly off it. */ | |
888 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
889 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
890 | ||
891 | context_read_machine_info(c); | |
892 | ||
893 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
894 | } | |
895 | ||
896 | static int property_get_os_release_field( | |
897 | sd_bus *bus, | |
898 | const char *path, | |
899 | const char *interface, | |
900 | const char *property, | |
901 | sd_bus_message *reply, | |
902 | void *userdata, | |
903 | sd_bus_error *error) { | |
904 | ||
905 | sd_bus_slot *slot; | |
906 | Context *c; | |
907 | ||
908 | /* As above, acquire the current context without this property's userdata offset added. */ | |
909 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
910 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
911 | ||
912 | context_read_os_release(c); | |
913 | ||
914 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
915 | } | |
916 | ||
917 | static int property_get_os_support_end( | |
918 | sd_bus *bus, | |
919 | const char *path, | |
920 | const char *interface, | |
921 | const char *property, | |
922 | sd_bus_message *reply, | |
923 | void *userdata, | |
924 | sd_bus_error *error) { | |
925 | ||
926 | Context *c = userdata; | |
927 | usec_t eol = USEC_INFINITY; | |
928 | ||
929 | context_read_os_release(c); | |
930 | ||
931 | if (c->data[PROP_OS_SUPPORT_END]) | |
932 | (void) os_release_support_ended(c->data[PROP_OS_SUPPORT_END], /* quiet= */ false, &eol); | |
933 | ||
934 | return sd_bus_message_append(reply, "t", eol); | |
935 | } | |
936 | ||
937 | static int property_get_icon_name( | |
938 | sd_bus *bus, | |
939 | const char *path, | |
940 | const char *interface, | |
941 | const char *property, | |
942 | sd_bus_message *reply, | |
943 | void *userdata, | |
944 | sd_bus_error *error) { | |
945 | ||
946 | _cleanup_free_ char *n = NULL; | |
947 | Context *c = userdata; | |
948 | const char *name; | |
949 | ||
950 | context_read_machine_info(c); | |
951 | ||
952 | if (isempty(c->data[PROP_ICON_NAME])) | |
953 | name = n = context_fallback_icon_name(c); | |
954 | else | |
955 | name = c->data[PROP_ICON_NAME]; | |
956 | ||
957 | if (!name) | |
958 | return -ENOMEM; | |
959 | ||
960 | return sd_bus_message_append(reply, "s", name); | |
961 | } | |
962 | ||
963 | static int property_get_chassis( | |
964 | sd_bus *bus, | |
965 | const char *path, | |
966 | const char *interface, | |
967 | const char *property, | |
968 | sd_bus_message *reply, | |
969 | void *userdata, | |
970 | sd_bus_error *error) { | |
971 | ||
972 | _cleanup_free_ char *chassis = NULL; | |
973 | Context *c = userdata; | |
974 | ||
975 | context_read_machine_info(c); | |
976 | ||
977 | chassis = context_get_chassis(c); | |
978 | ||
979 | return sd_bus_message_append(reply, "s", chassis); | |
980 | } | |
981 | ||
982 | static int property_get_uname_field( | |
983 | sd_bus *bus, | |
984 | const char *path, | |
985 | const char *interface, | |
986 | const char *property, | |
987 | sd_bus_message *reply, | |
988 | void *userdata, | |
989 | sd_bus_error *error) { | |
990 | ||
991 | struct utsname u; | |
992 | ||
993 | assert_se(uname(&u) >= 0); | |
994 | ||
995 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
996 | } | |
997 | ||
998 | static int property_get_machine_id( | |
999 | sd_bus *bus, | |
1000 | const char *path, | |
1001 | const char *interface, | |
1002 | const char *property, | |
1003 | sd_bus_message *reply, | |
1004 | void *userdata, | |
1005 | sd_bus_error *error) { | |
1006 | ||
1007 | sd_id128_t id; | |
1008 | int r; | |
1009 | ||
1010 | r = sd_id128_get_machine(&id); | |
1011 | if (r < 0) | |
1012 | return r; | |
1013 | ||
1014 | return bus_property_get_id128(bus, path, interface, property, reply, &id, error); | |
1015 | } | |
1016 | ||
1017 | static int property_get_boot_id( | |
1018 | sd_bus *bus, | |
1019 | const char *path, | |
1020 | const char *interface, | |
1021 | const char *property, | |
1022 | sd_bus_message *reply, | |
1023 | void *userdata, | |
1024 | sd_bus_error *error) { | |
1025 | ||
1026 | sd_id128_t id; | |
1027 | int r; | |
1028 | ||
1029 | r = sd_id128_get_boot(&id); | |
1030 | if (r < 0) | |
1031 | return r; | |
1032 | ||
1033 | return bus_property_get_id128(bus, path, interface, property, reply, &id, error); | |
1034 | } | |
1035 | ||
1036 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1037 | Context *c = ASSERT_PTR(userdata); | |
1038 | const char *name; | |
1039 | int interactive, r; | |
1040 | ||
1041 | assert(m); | |
1042 | ||
1043 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
1044 | if (r < 0) | |
1045 | return r; | |
1046 | ||
1047 | name = empty_to_null(name); | |
1048 | ||
1049 | /* We always go through with the procedure below without comparing to the current hostname, because | |
1050 | * we might want to adjust hostname source information even if the actual hostname is unchanged. */ | |
1051 | ||
1052 | if (name && !hostname_is_valid(name, 0)) | |
1053 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); | |
1054 | ||
1055 | context_read_etc_hostname(c); | |
1056 | ||
1057 | r = bus_verify_polkit_async_full( | |
1058 | m, | |
1059 | "org.freedesktop.hostname1.set-hostname", | |
1060 | /* details= */ NULL, | |
1061 | interactive, | |
1062 | /* good_user= */ UID_INVALID, | |
1063 | &c->polkit_registry, | |
1064 | error); | |
1065 | if (r < 0) | |
1066 | return r; | |
1067 | if (r == 0) | |
1068 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1069 | ||
1070 | r = context_update_kernel_hostname(c, name); | |
1071 | if (r < 0) | |
1072 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
1073 | else if (r > 0) | |
1074 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), | |
1075 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
1076 | "Hostname", "HostnameSource", NULL); | |
1077 | ||
1078 | return sd_bus_reply_method_return(m, NULL); | |
1079 | } | |
1080 | ||
1081 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1082 | Context *c = ASSERT_PTR(userdata); | |
1083 | const char *name; | |
1084 | int interactive; | |
1085 | int r; | |
1086 | ||
1087 | assert(m); | |
1088 | ||
1089 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
1090 | if (r < 0) | |
1091 | return r; | |
1092 | ||
1093 | name = empty_to_null(name); | |
1094 | ||
1095 | context_read_etc_hostname(c); | |
1096 | ||
1097 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) | |
1098 | return sd_bus_reply_method_return(m, NULL); | |
1099 | ||
1100 | if (name && !hostname_is_valid(name, 0)) | |
1101 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); | |
1102 | ||
1103 | r = bus_verify_polkit_async_full( | |
1104 | m, | |
1105 | "org.freedesktop.hostname1.set-static-hostname", | |
1106 | /* details= */ NULL, | |
1107 | interactive, | |
1108 | /* good_user= */ UID_INVALID, | |
1109 | &c->polkit_registry, | |
1110 | error); | |
1111 | if (r < 0) | |
1112 | return r; | |
1113 | if (r == 0) | |
1114 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1115 | ||
1116 | r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name); | |
1117 | if (r < 0) | |
1118 | return r; | |
1119 | ||
1120 | r = context_write_data_static_hostname(c); | |
1121 | if (r < 0) { | |
1122 | log_error_errno(r, "Failed to write static hostname: %m"); | |
1123 | if (ERRNO_IS_PRIVILEGE(r)) | |
1124 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); | |
1125 | if (r == -EROFS) | |
1126 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); | |
1127 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); | |
1128 | } | |
1129 | ||
1130 | r = context_update_kernel_hostname(c, NULL); | |
1131 | if (r < 0) { | |
1132 | log_error_errno(r, "Failed to set hostname: %m"); | |
1133 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
1134 | } | |
1135 | ||
1136 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), | |
1137 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
1138 | "StaticHostname", "Hostname", "HostnameSource", NULL); | |
1139 | ||
1140 | return sd_bus_reply_method_return(m, NULL); | |
1141 | } | |
1142 | ||
1143 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { | |
1144 | int interactive; | |
1145 | const char *name; | |
1146 | int r; | |
1147 | ||
1148 | assert(c); | |
1149 | assert(m); | |
1150 | ||
1151 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
1152 | if (r < 0) | |
1153 | return r; | |
1154 | ||
1155 | name = empty_to_null(name); | |
1156 | ||
1157 | context_read_machine_info(c); | |
1158 | ||
1159 | if (streq_ptr(name, c->data[prop])) | |
1160 | return sd_bus_reply_method_return(m, NULL); | |
1161 | ||
1162 | if (!isempty(name)) { | |
1163 | /* The icon name might ultimately be used as file | |
1164 | * name, so better be safe than sorry */ | |
1165 | ||
1166 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
1167 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
1168 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
1169 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); | |
1170 | if (prop == PROP_CHASSIS && !valid_chassis(name)) | |
1171 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
1172 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
1173 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
1174 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
1175 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
1176 | } | |
1177 | ||
1178 | /* Since the pretty hostname should always be changed at the same time as the static one, use the | |
1179 | * same policy action for both... */ | |
1180 | ||
1181 | r = bus_verify_polkit_async_full( | |
1182 | m, | |
1183 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
1184 | /* details= */ NULL, | |
1185 | interactive, | |
1186 | /* good_user= */ UID_INVALID, | |
1187 | &c->polkit_registry, | |
1188 | error); | |
1189 | if (r < 0) | |
1190 | return r; | |
1191 | if (r == 0) | |
1192 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1193 | ||
1194 | r = free_and_strdup_warn(&c->data[prop], name); | |
1195 | if (r < 0) | |
1196 | return r; | |
1197 | ||
1198 | r = context_write_data_machine_info(c); | |
1199 | if (r < 0) { | |
1200 | log_error_errno(r, "Failed to write machine info: %m"); | |
1201 | if (ERRNO_IS_PRIVILEGE(r)) | |
1202 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); | |
1203 | if (r == -EROFS) | |
1204 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); | |
1205 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); | |
1206 | } | |
1207 | ||
1208 | log_info("Changed %s to '%s'", | |
1209 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : | |
1210 | prop == PROP_DEPLOYMENT ? "deployment" : | |
1211 | prop == PROP_LOCATION ? "location" : | |
1212 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); | |
1213 | ||
1214 | (void) sd_bus_emit_properties_changed( | |
1215 | sd_bus_message_get_bus(m), | |
1216 | "/org/freedesktop/hostname1", | |
1217 | "org.freedesktop.hostname1", | |
1218 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
1219 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
1220 | prop == PROP_LOCATION ? "Location" : | |
1221 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
1222 | ||
1223 | return sd_bus_reply_method_return(m, NULL); | |
1224 | } | |
1225 | ||
1226 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1227 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
1228 | } | |
1229 | ||
1230 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1231 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
1232 | } | |
1233 | ||
1234 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1235 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
1236 | } | |
1237 | ||
1238 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1239 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
1240 | } | |
1241 | ||
1242 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1243 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
1244 | } | |
1245 | ||
1246 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1247 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1248 | Context *c = ASSERT_PTR(userdata); | |
1249 | int interactive, r; | |
1250 | sd_id128_t uuid; | |
1251 | ||
1252 | assert(m); | |
1253 | ||
1254 | r = sd_bus_message_read(m, "b", &interactive); | |
1255 | if (r < 0) | |
1256 | return r; | |
1257 | ||
1258 | r = bus_verify_polkit_async_full( | |
1259 | m, | |
1260 | "org.freedesktop.hostname1.get-product-uuid", | |
1261 | /* details= */ NULL, | |
1262 | interactive, | |
1263 | /* good_user= */ UID_INVALID, | |
1264 | &c->polkit_registry, | |
1265 | error); | |
1266 | if (r < 0) | |
1267 | return r; | |
1268 | if (r == 0) | |
1269 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1270 | ||
1271 | r = id128_get_product(&uuid); | |
1272 | if (r < 0) { | |
1273 | if (r == -EADDRNOTAVAIL) | |
1274 | log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring."); | |
1275 | else | |
1276 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
1277 | "Failed to read product UUID, ignoring: %m"); | |
1278 | ||
1279 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
1280 | "Failed to read product UUID from firmware."); | |
1281 | } | |
1282 | ||
1283 | r = sd_bus_message_new_method_return(m, &reply); | |
1284 | if (r < 0) | |
1285 | return r; | |
1286 | ||
1287 | r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes)); | |
1288 | if (r < 0) | |
1289 | return r; | |
1290 | ||
1291 | return sd_bus_send(NULL, reply, NULL); | |
1292 | } | |
1293 | ||
1294 | static int method_get_hardware_serial(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1295 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1296 | _cleanup_free_ char *serial = NULL; | |
1297 | Context *c = ASSERT_PTR(userdata); | |
1298 | int r; | |
1299 | ||
1300 | assert(m); | |
1301 | ||
1302 | r = bus_verify_polkit_async( | |
1303 | m, | |
1304 | "org.freedesktop.hostname1.get-hardware-serial", | |
1305 | /* details= */ NULL, | |
1306 | &c->polkit_registry, | |
1307 | error); | |
1308 | if (r < 0) | |
1309 | return r; | |
1310 | if (r == 0) | |
1311 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1312 | ||
1313 | r = get_hardware_serial(&serial); | |
1314 | if (r < 0) | |
1315 | return r; | |
1316 | ||
1317 | r = sd_bus_message_new_method_return(m, &reply); | |
1318 | if (r < 0) | |
1319 | return r; | |
1320 | ||
1321 | r = sd_bus_message_append(reply, "s", serial); | |
1322 | if (r < 0) | |
1323 | return r; | |
1324 | ||
1325 | return sd_bus_send(NULL, reply, NULL); | |
1326 | } | |
1327 | ||
1328 | static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
1329 | _cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL, | |
1330 | *chassis = NULL, *vendor = NULL, *model = NULL, *serial = NULL, *firmware_version = NULL, | |
1331 | *firmware_vendor = NULL; | |
1332 | usec_t firmware_date = USEC_INFINITY, eol = USEC_INFINITY; | |
1333 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1334 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; | |
1335 | sd_id128_t machine_id, boot_id, product_uuid = SD_ID128_NULL; | |
1336 | Context *c = ASSERT_PTR(userdata); | |
1337 | bool privileged; | |
1338 | struct utsname u; | |
1339 | int r; | |
1340 | ||
1341 | assert(m); | |
1342 | ||
1343 | r = bus_verify_polkit_async( | |
1344 | m, | |
1345 | "org.freedesktop.hostname1.get-description", | |
1346 | /* details= */ NULL, | |
1347 | &c->polkit_registry, | |
1348 | error); | |
1349 | if (r == 0) | |
1350 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1351 | ||
1352 | /* We ignore all authentication errors here, since most data is unprivileged, the one exception being | |
1353 | * the product ID which we'll check explicitly. */ | |
1354 | privileged = r > 0; | |
1355 | ||
1356 | context_read_etc_hostname(c); | |
1357 | context_read_machine_info(c); | |
1358 | context_read_os_release(c); | |
1359 | context_determine_hostname_source(c); | |
1360 | ||
1361 | r = gethostname_strict(&hn); | |
1362 | if (r < 0) { | |
1363 | if (r != -ENXIO) | |
1364 | return log_error_errno(r, "Failed to read local host name: %m"); | |
1365 | ||
1366 | hn = get_default_hostname(); | |
1367 | if (!hn) | |
1368 | return log_oom(); | |
1369 | } | |
1370 | ||
1371 | dhn = get_default_hostname(); | |
1372 | if (!dhn) | |
1373 | return log_oom(); | |
1374 | ||
1375 | if (isempty(c->data[PROP_ICON_NAME])) | |
1376 | in = context_fallback_icon_name(c); | |
1377 | ||
1378 | chassis = context_get_chassis(c); | |
1379 | ||
1380 | assert_se(uname(&u) >= 0); | |
1381 | ||
1382 | if (isempty(c->data[PROP_HARDWARE_VENDOR])) | |
1383 | (void) get_hardware_vendor(&vendor); | |
1384 | if (isempty(c->data[PROP_HARDWARE_MODEL])) | |
1385 | (void) get_hardware_model(&model); | |
1386 | ||
1387 | if (privileged) { | |
1388 | /* The product UUID and hardware serial is only available to privileged clients */ | |
1389 | (void) id128_get_product(&product_uuid); | |
1390 | (void) get_hardware_serial(&serial); | |
1391 | } | |
1392 | (void) get_firmware_version(&firmware_version); | |
1393 | (void) get_firmware_vendor(&firmware_vendor); | |
1394 | (void) get_firmware_date(&firmware_date); | |
1395 | ||
1396 | if (c->data[PROP_OS_SUPPORT_END]) | |
1397 | (void) os_release_support_ended(c->data[PROP_OS_SUPPORT_END], /* quiet= */ false, &eol); | |
1398 | ||
1399 | r = sd_id128_get_machine(&machine_id); | |
1400 | if (r < 0) | |
1401 | return log_error_errno(r, "Failed to get machine ID: %m"); | |
1402 | ||
1403 | r = sd_id128_get_boot(&boot_id); | |
1404 | if (r < 0) | |
1405 | return log_error_errno(r, "Failed to get boot ID: %m"); | |
1406 | ||
1407 | r = json_build(&v, JSON_BUILD_OBJECT( | |
1408 | JSON_BUILD_PAIR("Hostname", JSON_BUILD_STRING(hn)), | |
1409 | JSON_BUILD_PAIR("StaticHostname", JSON_BUILD_STRING(c->data[PROP_STATIC_HOSTNAME])), | |
1410 | JSON_BUILD_PAIR("PrettyHostname", JSON_BUILD_STRING(c->data[PROP_PRETTY_HOSTNAME])), | |
1411 | JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)), | |
1412 | JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))), | |
1413 | JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])), | |
1414 | JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)), | |
1415 | JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])), | |
1416 | JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])), | |
1417 | JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)), | |
1418 | JSON_BUILD_PAIR("KernelRelease", JSON_BUILD_STRING(u.release)), | |
1419 | JSON_BUILD_PAIR("KernelVersion", JSON_BUILD_STRING(u.version)), | |
1420 | JSON_BUILD_PAIR("OperatingSystemPrettyName", JSON_BUILD_STRING(c->data[PROP_OS_PRETTY_NAME])), | |
1421 | JSON_BUILD_PAIR("OperatingSystemCPEName", JSON_BUILD_STRING(c->data[PROP_OS_CPE_NAME])), | |
1422 | JSON_BUILD_PAIR("OperatingSystemHomeURL", JSON_BUILD_STRING(c->data[PROP_OS_HOME_URL])), | |
1423 | JSON_BUILD_PAIR_FINITE_USEC("OperatingSystemSupportEnd", eol), | |
1424 | JSON_BUILD_PAIR("HardwareVendor", JSON_BUILD_STRING(vendor ?: c->data[PROP_HARDWARE_VENDOR])), | |
1425 | JSON_BUILD_PAIR("HardwareModel", JSON_BUILD_STRING(model ?: c->data[PROP_HARDWARE_MODEL])), | |
1426 | JSON_BUILD_PAIR("HardwareSerial", JSON_BUILD_STRING(serial)), | |
1427 | JSON_BUILD_PAIR("FirmwareVersion", JSON_BUILD_STRING(firmware_version)), | |
1428 | JSON_BUILD_PAIR("FirmwareVendor", JSON_BUILD_STRING(firmware_vendor)), | |
1429 | JSON_BUILD_PAIR_FINITE_USEC("FirmwareDate", firmware_date), | |
1430 | JSON_BUILD_PAIR_ID128("MachineID", machine_id), | |
1431 | JSON_BUILD_PAIR_ID128("BootID", boot_id), | |
1432 | JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_ID128(product_uuid)), | |
1433 | JSON_BUILD_PAIR_CONDITION(sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_NULL))); | |
1434 | ||
1435 | if (r < 0) | |
1436 | return log_error_errno(r, "Failed to build JSON data: %m"); | |
1437 | ||
1438 | r = json_variant_format(v, 0, &text); | |
1439 | if (r < 0) | |
1440 | return log_error_errno(r, "Failed to format JSON data: %m"); | |
1441 | ||
1442 | r = sd_bus_message_new_method_return(m, &reply); | |
1443 | if (r < 0) | |
1444 | return r; | |
1445 | ||
1446 | r = sd_bus_message_append(reply, "s", text); | |
1447 | if (r < 0) | |
1448 | return r; | |
1449 | ||
1450 | return sd_bus_send(NULL, reply, NULL); | |
1451 | } | |
1452 | ||
1453 | static const sd_bus_vtable hostname_vtable[] = { | |
1454 | SD_BUS_VTABLE_START(0), | |
1455 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1456 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1457 | SD_BUS_PROPERTY("PrettyHostname", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1458 | SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1459 | SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1460 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1461 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1462 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1463 | SD_BUS_PROPERTY("Location", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_LOCATION, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
1464 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1465 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1466 | SD_BUS_PROPERTY("KernelVersion", "s", property_get_uname_field, offsetof(struct utsname, version), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1467 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
1468 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
1469 | SD_BUS_PROPERTY("OperatingSystemSupportEnd", "t", property_get_os_support_end, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1470 | SD_BUS_PROPERTY("HomeURL", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_HOME_URL, SD_BUS_VTABLE_PROPERTY_CONST), | |
1471 | SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1472 | SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1473 | SD_BUS_PROPERTY("FirmwareVersion", "s", property_get_firmware_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1474 | SD_BUS_PROPERTY("FirmwareVendor", "s", property_get_firmware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1475 | SD_BUS_PROPERTY("FirmwareDate", "t", property_get_firmware_date, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1476 | SD_BUS_PROPERTY("MachineID", "ay", property_get_machine_id, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1477 | SD_BUS_PROPERTY("BootID", "ay", property_get_boot_id, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
1478 | ||
1479 | SD_BUS_METHOD_WITH_ARGS("SetHostname", | |
1480 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1481 | SD_BUS_NO_RESULT, | |
1482 | method_set_hostname, | |
1483 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1484 | SD_BUS_METHOD_WITH_ARGS("SetStaticHostname", | |
1485 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1486 | SD_BUS_NO_RESULT, | |
1487 | method_set_static_hostname, | |
1488 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1489 | SD_BUS_METHOD_WITH_ARGS("SetPrettyHostname", | |
1490 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1491 | SD_BUS_NO_RESULT, | |
1492 | method_set_pretty_hostname, | |
1493 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1494 | SD_BUS_METHOD_WITH_ARGS("SetIconName", | |
1495 | SD_BUS_ARGS("s", icon, "b", interactive), | |
1496 | SD_BUS_NO_RESULT, | |
1497 | method_set_icon_name, | |
1498 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1499 | SD_BUS_METHOD_WITH_ARGS("SetChassis", | |
1500 | SD_BUS_ARGS("s", chassis, "b", interactive), | |
1501 | SD_BUS_NO_RESULT, | |
1502 | method_set_chassis, | |
1503 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1504 | SD_BUS_METHOD_WITH_ARGS("SetDeployment", | |
1505 | SD_BUS_ARGS("s", deployment, "b", interactive), | |
1506 | SD_BUS_NO_RESULT, | |
1507 | method_set_deployment, | |
1508 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1509 | SD_BUS_METHOD_WITH_ARGS("SetLocation", | |
1510 | SD_BUS_ARGS("s", location, "b", interactive), | |
1511 | SD_BUS_NO_RESULT, | |
1512 | method_set_location, | |
1513 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1514 | SD_BUS_METHOD_WITH_ARGS("GetProductUUID", | |
1515 | SD_BUS_ARGS("b", interactive), | |
1516 | SD_BUS_RESULT("ay", uuid), | |
1517 | method_get_product_uuid, | |
1518 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1519 | SD_BUS_METHOD_WITH_ARGS("GetHardwareSerial", | |
1520 | SD_BUS_NO_ARGS, | |
1521 | SD_BUS_RESULT("s", serial), | |
1522 | method_get_hardware_serial, | |
1523 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1524 | SD_BUS_METHOD_WITH_ARGS("Describe", | |
1525 | SD_BUS_NO_ARGS, | |
1526 | SD_BUS_RESULT("s", json), | |
1527 | method_describe, | |
1528 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1529 | ||
1530 | SD_BUS_VTABLE_END, | |
1531 | }; | |
1532 | ||
1533 | static const BusObjectImplementation manager_object = { | |
1534 | "/org/freedesktop/hostname1", | |
1535 | "org.freedesktop.hostname1", | |
1536 | .vtables = BUS_VTABLES(hostname_vtable), | |
1537 | }; | |
1538 | ||
1539 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { | |
1540 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
1541 | int r; | |
1542 | ||
1543 | assert(c); | |
1544 | assert(event); | |
1545 | assert(ret); | |
1546 | ||
1547 | r = sd_bus_default_system(&bus); | |
1548 | if (r < 0) | |
1549 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
1550 | ||
1551 | r = bus_add_implementation(bus, &manager_object, c); | |
1552 | if (r < 0) | |
1553 | return r; | |
1554 | ||
1555 | r = bus_log_control_api_register(bus); | |
1556 | if (r < 0) | |
1557 | return r; | |
1558 | ||
1559 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); | |
1560 | if (r < 0) | |
1561 | return log_error_errno(r, "Failed to request name: %m"); | |
1562 | ||
1563 | r = sd_bus_attach_event(bus, event, 0); | |
1564 | if (r < 0) | |
1565 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
1566 | ||
1567 | *ret = TAKE_PTR(bus); | |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | static int run(int argc, char *argv[]) { | |
1572 | _cleanup_(context_destroy) Context context = { | |
1573 | .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */ | |
1574 | }; | |
1575 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; | |
1576 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
1577 | int r; | |
1578 | ||
1579 | log_setup(); | |
1580 | ||
1581 | r = service_parse_argv("systemd-hostnamed.service", | |
1582 | "Manage the system hostname and related metadata.", | |
1583 | BUS_IMPLEMENTATIONS(&manager_object, | |
1584 | &log_control_object), | |
1585 | argc, argv); | |
1586 | if (r <= 0) | |
1587 | return r; | |
1588 | ||
1589 | umask(0022); | |
1590 | ||
1591 | r = mac_init(); | |
1592 | if (r < 0) | |
1593 | return r; | |
1594 | ||
1595 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); | |
1596 | ||
1597 | r = sd_event_default(&event); | |
1598 | if (r < 0) | |
1599 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
1600 | ||
1601 | (void) sd_event_set_watchdog(event, true); | |
1602 | ||
1603 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
1604 | if (r < 0) | |
1605 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
1606 | ||
1607 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
1608 | if (r < 0) | |
1609 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
1610 | ||
1611 | r = connect_bus(&context, event, &bus); | |
1612 | if (r < 0) | |
1613 | return r; | |
1614 | ||
1615 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); | |
1616 | if (r < 0) | |
1617 | return log_error_errno(r, "Failed to run event loop: %m"); | |
1618 | ||
1619 | return 0; | |
1620 | } | |
1621 | ||
1622 | DEFINE_MAIN_FUNCTION(run); |