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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
7640a5de | 2 | |
7640a5de | 3 | #include <errno.h> |
f426cc5d | 4 | #include <sys/utsname.h> |
ca78ad1d ZJS |
5 | #include <sys/stat.h> |
6 | #include <sys/types.h> | |
cf0fbc49 | 7 | #include <unistd.h> |
7640a5de | 8 | |
b5efdb8a | 9 | #include "alloc-util.h" |
21e627da | 10 | #include "bus-common-errors.h" |
ac9f55ed | 11 | #include "bus-log-control-api.h" |
269e4d2d | 12 | #include "bus-polkit.h" |
ad740100 | 13 | #include "def.h" |
686d13b9 LP |
14 | #include "env-file-label.h" |
15 | #include "env-file.h" | |
4d1a6904 | 16 | #include "env-util.h" |
6bedfcbb | 17 | #include "fileio-label.h" |
ee228be1 | 18 | #include "fileio.h" |
958b66ea | 19 | #include "hostname-util.h" |
21e627da | 20 | #include "id128-util.h" |
85ae63ee | 21 | #include "main-func.h" |
36dd5ffd | 22 | #include "missing_capability.h" |
7782e0a0 | 23 | #include "nscd-flush.h" |
d8b4d14d | 24 | #include "nulstr-util.h" |
d58ad743 | 25 | #include "os-util.h" |
6bedfcbb | 26 | #include "parse-util.h" |
bb15fafe | 27 | #include "path-util.h" |
6bedfcbb | 28 | #include "selinux-util.h" |
fc021a5b | 29 | #include "service-util.h" |
b22c8bfc | 30 | #include "signal-util.h" |
d7f4ad20 | 31 | #include "stat-util.h" |
6bedfcbb | 32 | #include "strv.h" |
ee104e11 | 33 | #include "user-util.h" |
6bedfcbb LP |
34 | #include "util.h" |
35 | #include "virt.h" | |
91f9dcaf | 36 | |
799298d6 JG |
37 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
38 | ||
7640a5de | 39 | enum { |
d7f4ad20 | 40 | /* Read from /etc/hostname */ |
7640a5de | 41 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
42 | |
43 | /* Read from /etc/machine-info */ | |
7640a5de LP |
44 | PROP_PRETTY_HOSTNAME, |
45 | PROP_ICON_NAME, | |
7871c8e9 | 46 | PROP_CHASSIS, |
799298d6 | 47 | PROP_DEPLOYMENT, |
ce0f1493 | 48 | PROP_LOCATION, |
d7f4ad20 LP |
49 | |
50 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
51 | PROP_OS_PRETTY_NAME, |
52 | PROP_OS_CPE_NAME, | |
d7f4ad20 LP |
53 | PROP_OS_HOME_URL, |
54 | _PROP_MAX, | |
55 | _PROP_INVALID = -1, | |
7640a5de LP |
56 | }; |
57 | ||
66a4c743 LP |
58 | typedef struct Context { |
59 | char *data[_PROP_MAX]; | |
d7f4ad20 LP |
60 | |
61 | struct stat etc_hostname_stat; | |
62 | struct stat etc_os_release_stat; | |
63 | struct stat etc_machine_info_stat; | |
64 | ||
66a4c743 LP |
65 | Hashmap *polkit_registry; |
66 | } Context; | |
ad740100 | 67 | |
d7f4ad20 | 68 | static void context_reset(Context *c, uint64_t mask) { |
7640a5de LP |
69 | int p; |
70 | ||
66a4c743 LP |
71 | assert(c); |
72 | ||
d7f4ad20 LP |
73 | for (p = 0; p < _PROP_MAX; p++) { |
74 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) | |
75 | continue; | |
76 | ||
a1e58e8e | 77 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 78 | } |
7640a5de LP |
79 | } |
80 | ||
cfb9433d | 81 | static void context_destroy(Context *c) { |
66a4c743 LP |
82 | assert(c); |
83 | ||
d7f4ad20 | 84 | context_reset(c, UINT64_MAX); |
36e34057 | 85 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
66a4c743 LP |
86 | } |
87 | ||
d7f4ad20 LP |
88 | static void context_read_etc_hostname(Context *c) { |
89 | struct stat current_stat = {}; | |
7640a5de LP |
90 | int r; |
91 | ||
66a4c743 LP |
92 | assert(c); |
93 | ||
d7f4ad20 LP |
94 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
95 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
96 | return; | |
97 | ||
98 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 99 | |
f35cb39e | 100 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 101 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
102 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
103 | ||
104 | c->etc_hostname_stat = current_stat; | |
105 | } | |
106 | ||
107 | static void context_read_machine_info(Context *c) { | |
108 | struct stat current_stat = {}; | |
109 | int r; | |
110 | ||
111 | assert(c); | |
112 | ||
113 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
114 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
115 | return; | |
116 | ||
117 | context_reset(c, | |
118 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
119 | (UINT64_C(1) << PROP_ICON_NAME) | | |
120 | (UINT64_C(1) << PROP_CHASSIS) | | |
121 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
122 | (UINT64_C(1) << PROP_LOCATION)); | |
7640a5de | 123 | |
aa8fbc74 | 124 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
125 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
126 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
127 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 128 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
13df9c39 | 129 | "LOCATION", &c->data[PROP_LOCATION]); |
7640a5de | 130 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
131 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
132 | ||
133 | c->etc_machine_info_stat = current_stat; | |
134 | } | |
135 | ||
136 | static void context_read_os_release(Context *c) { | |
137 | struct stat current_stat = {}; | |
138 | int r; | |
139 | ||
140 | assert(c); | |
141 | ||
142 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
143 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
144 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
145 | return; | |
146 | ||
147 | context_reset(c, | |
148 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
149 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
150 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 151 | |
d58ad743 LP |
152 | r = parse_os_release(NULL, |
153 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
154 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
d7f4ad20 | 155 | "HOME_URL", &c->data[PROP_OS_HOME_URL], |
d58ad743 | 156 | NULL); |
44c32988 | 157 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 158 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 159 | |
d7f4ad20 | 160 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
161 | } |
162 | ||
7871c8e9 | 163 | static bool valid_chassis(const char *chassis) { |
7871c8e9 LP |
164 | assert(chassis); |
165 | ||
166 | return nulstr_contains( | |
167 | "vm\0" | |
168 | "container\0" | |
169 | "desktop\0" | |
170 | "laptop\0" | |
34b52450 | 171 | "convertible\0" |
7871c8e9 LP |
172 | "server\0" |
173 | "tablet\0" | |
c49e59c1 | 174 | "handset\0" |
25fa306e LP |
175 | "watch\0" |
176 | "embedded\0", | |
7871c8e9 LP |
177 | chassis); |
178 | } | |
179 | ||
799298d6 JG |
180 | static bool valid_deployment(const char *deployment) { |
181 | assert(deployment); | |
182 | ||
c2142cf1 | 183 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
184 | } |
185 | ||
7871c8e9 | 186 | static const char* fallback_chassis(void) { |
7640a5de LP |
187 | char *type; |
188 | unsigned t; | |
219bfe38 | 189 | int v, r; |
7871c8e9 | 190 | |
75f86906 | 191 | v = detect_virtualization(); |
2ac4d1d4 LP |
192 | if (v < 0) |
193 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
194 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 195 | return "vm"; |
2ac4d1d4 | 196 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
197 | return "container"; |
198 | ||
219bfe38 | 199 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 LP |
200 | if (r < 0) { |
201 | log_debug_errno(v, "Failed to read DMI chassis type, ignoring: %m"); | |
219bfe38 | 202 | goto try_acpi; |
2ac4d1d4 | 203 | } |
7871c8e9 LP |
204 | |
205 | r = safe_atou(type, &t); | |
206 | free(type); | |
2ac4d1d4 LP |
207 | if (r < 0) { |
208 | log_debug_errno(v, "Failed to parse DMI chassis type, ignoring: %m"); | |
219bfe38 | 209 | goto try_acpi; |
2ac4d1d4 | 210 | } |
7871c8e9 | 211 | |
219bfe38 LP |
212 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
213 | additional guesswork on top of that. | |
214 | ||
215 | See the SMBIOS Specification 3.0 section 7.4.1 for details about the values listed here: | |
216 | ||
217 | https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
7871c8e9 LP |
218 | */ |
219 | ||
219bfe38 | 220 | switch (t) { |
7871c8e9 | 221 | |
219bfe38 LP |
222 | case 0x3: /* Desktop */ |
223 | case 0x4: /* Low Profile Desktop */ | |
224 | case 0x6: /* Mini Tower */ | |
225 | case 0x7: /* Tower */ | |
7c5c59d4 | 226 | case 0xD: /* All in one (i.e. PC built into monitor) */ |
7871c8e9 LP |
227 | return "desktop"; |
228 | ||
219bfe38 LP |
229 | case 0x8: /* Portable */ |
230 | case 0x9: /* Laptop */ | |
231 | case 0xA: /* Notebook */ | |
232 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 233 | return "laptop"; |
7640a5de | 234 | |
219bfe38 LP |
235 | case 0xB: /* Hand Held */ |
236 | return "handset"; | |
237 | ||
238 | case 0x11: /* Main Server Chassis */ | |
239 | case 0x1C: /* Blade */ | |
240 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 241 | return "server"; |
7640a5de | 242 | |
219bfe38 | 243 | case 0x1E: /* Tablet */ |
7871c8e9 | 244 | return "tablet"; |
b70af833 DH |
245 | |
246 | case 0x1F: /* Convertible */ | |
b4227dbb | 247 | case 0x20: /* Detachable */ |
b70af833 | 248 | return "convertible"; |
2ac4d1d4 LP |
249 | |
250 | default: | |
251 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
252 | } |
253 | ||
219bfe38 LP |
254 | try_acpi: |
255 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); | |
2ac4d1d4 LP |
256 | if (r < 0) { |
257 | log_debug_errno(v, "Failed read ACPI PM profile, ignoring: %m"); | |
7640a5de | 258 | return NULL; |
2ac4d1d4 | 259 | } |
7640a5de LP |
260 | |
261 | r = safe_atou(type, &t); | |
262 | free(type); | |
2ac4d1d4 LP |
263 | if (r < 0) { |
264 | log_debug_errno(v, "Failed parse ACPI PM profile, ignoring: %m"); | |
7640a5de | 265 | return NULL; |
2ac4d1d4 | 266 | } |
7640a5de | 267 | |
219bfe38 LP |
268 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
269 | * | |
270 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
271 | * | |
272 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 273 | */ |
7640a5de | 274 | |
219bfe38 | 275 | switch(t) { |
7640a5de | 276 | |
219bfe38 LP |
277 | case 1: /* Desktop */ |
278 | case 3: /* Workstation */ | |
279 | case 6: /* Appliance PC */ | |
7871c8e9 | 280 | return "desktop"; |
7640a5de | 281 | |
219bfe38 | 282 | case 2: /* Mobile */ |
7871c8e9 LP |
283 | return "laptop"; |
284 | ||
219bfe38 LP |
285 | case 4: /* Enterprise Server */ |
286 | case 5: /* SOHO Server */ | |
287 | case 7: /* Performance Server */ | |
7871c8e9 | 288 | return "server"; |
f3f4f008 | 289 | |
219bfe38 | 290 | case 8: /* Tablet */ |
f3f4f008 | 291 | return "tablet"; |
2ac4d1d4 LP |
292 | |
293 | default: | |
294 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
295 | } |
296 | ||
7640a5de LP |
297 | return NULL; |
298 | } | |
299 | ||
66a4c743 | 300 | static char* context_fallback_icon_name(Context *c) { |
7871c8e9 LP |
301 | const char *chassis; |
302 | ||
66a4c743 LP |
303 | assert(c); |
304 | ||
305 | if (!isempty(c->data[PROP_CHASSIS])) | |
b910cc72 | 306 | return strjoin("computer-", c->data[PROP_CHASSIS]); |
7871c8e9 LP |
307 | |
308 | chassis = fallback_chassis(); | |
309 | if (chassis) | |
b910cc72 | 310 | return strjoin("computer-", chassis); |
7871c8e9 LP |
311 | |
312 | return strdup("computer"); | |
313 | } | |
314 | ||
c779a442 | 315 | static bool hostname_is_useful(const char *hn) { |
fecc80c1 | 316 | return !isempty(hn) && !is_localhost(hn); |
c779a442 SW |
317 | } |
318 | ||
aa994368 LP |
319 | static int context_update_kernel_hostname( |
320 | Context *c, | |
321 | const char *transient_hn) { | |
322 | ||
323 | const char *static_hn, *hn; | |
324 | struct utsname u; | |
7640a5de | 325 | |
66a4c743 LP |
326 | assert(c); |
327 | ||
aa994368 LP |
328 | if (!transient_hn) { |
329 | /* If no transient hostname is passed in, then let's check what is currently set. */ | |
330 | assert_se(uname(&u) >= 0); | |
331 | transient_hn = | |
332 | isempty(u.nodename) || streq(u.nodename, "(none)") ? NULL : u.nodename; | |
333 | } | |
334 | ||
c779a442 SW |
335 | static_hn = c->data[PROP_STATIC_HOSTNAME]; |
336 | ||
337 | /* /etc/hostname with something other than "localhost" | |
338 | * has the highest preference ... */ | |
339 | if (hostname_is_useful(static_hn)) | |
340 | hn = static_hn; | |
341 | ||
38b38500 | 342 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
aa994368 LP |
343 | else if (!isempty(transient_hn)) |
344 | hn = transient_hn; | |
7640a5de | 345 | |
c779a442 SW |
346 | /* ... fallback to static "localhost.*" ignored above ... */ |
347 | else if (!isempty(static_hn)) | |
348 | hn = static_hn; | |
349 | ||
350 | /* ... and the ultimate fallback */ | |
351 | else | |
8146c32b | 352 | hn = FALLBACK_HOSTNAME; |
c779a442 | 353 | |
605f81a8 | 354 | if (sethostname_idempotent(hn) < 0) |
7640a5de LP |
355 | return -errno; |
356 | ||
7782e0a0 LP |
357 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
358 | ||
7640a5de LP |
359 | return 0; |
360 | } | |
361 | ||
66a4c743 | 362 | static int context_write_data_static_hostname(Context *c) { |
66a4c743 LP |
363 | assert(c); |
364 | ||
365 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { | |
7640a5de LP |
366 | |
367 | if (unlink("/etc/hostname") < 0) | |
368 | return errno == ENOENT ? 0 : -errno; | |
369 | ||
370 | return 0; | |
371 | } | |
66a4c743 | 372 | return write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
7640a5de LP |
373 | } |
374 | ||
f200e8bb | 375 | static int context_write_data_machine_info(Context *c) { |
4f34ed54 | 376 | |
7640a5de LP |
377 | static const char * const name[_PROP_MAX] = { |
378 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 379 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
380 | [PROP_CHASSIS] = "CHASSIS", |
381 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 382 | [PROP_LOCATION] = "LOCATION", |
7640a5de LP |
383 | }; |
384 | ||
0ccad099 | 385 | _cleanup_strv_free_ char **l = NULL; |
7640a5de LP |
386 | int r, p; |
387 | ||
66a4c743 LP |
388 | assert(c); |
389 | ||
aa8fbc74 | 390 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
391 | if (r < 0 && r != -ENOENT) |
392 | return r; | |
393 | ||
ce0f1493 | 394 | for (p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
d77ab3f7 LP |
395 | _cleanup_free_ char *t = NULL; |
396 | char **u; | |
7640a5de LP |
397 | |
398 | assert(name[p]); | |
399 | ||
66a4c743 | 400 | if (isempty(c->data[p])) { |
f8440af5 | 401 | strv_env_unset(l, name[p]); |
7640a5de LP |
402 | continue; |
403 | } | |
404 | ||
605405c6 | 405 | t = strjoin(name[p], "=", c->data[p]); |
d77ab3f7 | 406 | if (!t) |
7640a5de | 407 | return -ENOMEM; |
7640a5de LP |
408 | |
409 | u = strv_env_set(l, t); | |
7640a5de LP |
410 | if (!u) |
411 | return -ENOMEM; | |
0ccad099 | 412 | |
130d3d22 | 413 | strv_free_and_replace(l, u); |
7640a5de LP |
414 | } |
415 | ||
416 | if (strv_isempty(l)) { | |
7640a5de LP |
417 | if (unlink("/etc/machine-info") < 0) |
418 | return errno == ENOENT ? 0 : -errno; | |
419 | ||
420 | return 0; | |
421 | } | |
422 | ||
0ccad099 | 423 | return write_env_file_label("/etc/machine-info", l); |
7640a5de LP |
424 | } |
425 | ||
aa994368 LP |
426 | static int property_get_hostname( |
427 | sd_bus *bus, | |
428 | const char *path, | |
429 | const char *interface, | |
430 | const char *property, | |
431 | sd_bus_message *reply, | |
432 | void *userdata, | |
433 | sd_bus_error *error) { | |
434 | ||
435 | _cleanup_free_ char *current = NULL; | |
436 | int r; | |
437 | ||
438 | r = gethostname_strict(¤t); | |
439 | if (r == -ENXIO) | |
440 | return sd_bus_message_append(reply, "s", FALLBACK_HOSTNAME); | |
441 | if (r < 0) | |
442 | return r; | |
443 | ||
444 | return sd_bus_message_append(reply, "s", current); | |
445 | } | |
446 | ||
d7f4ad20 LP |
447 | static int property_get_static_hostname( |
448 | sd_bus *bus, | |
449 | const char *path, | |
450 | const char *interface, | |
451 | const char *property, | |
452 | sd_bus_message *reply, | |
453 | void *userdata, | |
454 | sd_bus_error *error) { | |
455 | ||
456 | Context *c = userdata; | |
457 | assert(c); | |
458 | ||
459 | context_read_etc_hostname(c); | |
460 | ||
461 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
462 | } | |
463 | ||
464 | static int property_get_machine_info_field( | |
465 | sd_bus *bus, | |
466 | const char *path, | |
467 | const char *interface, | |
468 | const char *property, | |
469 | sd_bus_message *reply, | |
470 | void *userdata, | |
471 | sd_bus_error *error) { | |
472 | ||
473 | sd_bus_slot *slot; | |
474 | Context *c; | |
475 | ||
476 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
477 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
478 | * pointer to the property field inside the context object that we are supposed to update and | |
479 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
480 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
481 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
482 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
483 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
484 | * directly off it. */ | |
485 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
486 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
487 | ||
488 | context_read_machine_info(c); | |
489 | ||
490 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
491 | } | |
492 | ||
493 | static int property_get_os_release_field( | |
494 | sd_bus *bus, | |
495 | const char *path, | |
496 | const char *interface, | |
497 | const char *property, | |
498 | sd_bus_message *reply, | |
499 | void *userdata, | |
500 | sd_bus_error *error) { | |
501 | ||
502 | sd_bus_slot *slot; | |
503 | Context *c; | |
504 | ||
505 | /* As above, acquire the current context without this property's userdata offset added. */ | |
506 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
507 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
508 | ||
509 | context_read_os_release(c); | |
510 | ||
511 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
512 | } | |
513 | ||
66a4c743 LP |
514 | static int property_get_icon_name( |
515 | sd_bus *bus, | |
516 | const char *path, | |
517 | const char *interface, | |
518 | const char *property, | |
519 | sd_bus_message *reply, | |
ebcf1f97 LP |
520 | void *userdata, |
521 | sd_bus_error *error) { | |
7640a5de | 522 | |
66a4c743 LP |
523 | _cleanup_free_ char *n = NULL; |
524 | Context *c = userdata; | |
525 | const char *name; | |
7640a5de | 526 | |
d7f4ad20 LP |
527 | context_read_machine_info(c); |
528 | ||
66a4c743 LP |
529 | if (isempty(c->data[PROP_ICON_NAME])) |
530 | name = n = context_fallback_icon_name(c); | |
7640a5de | 531 | else |
66a4c743 LP |
532 | name = c->data[PROP_ICON_NAME]; |
533 | ||
534 | if (!name) | |
535 | return -ENOMEM; | |
7640a5de | 536 | |
ebcf1f97 | 537 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
538 | } |
539 | ||
66a4c743 LP |
540 | static int property_get_chassis( |
541 | sd_bus *bus, | |
542 | const char *path, | |
543 | const char *interface, | |
544 | const char *property, | |
545 | sd_bus_message *reply, | |
ebcf1f97 LP |
546 | void *userdata, |
547 | sd_bus_error *error) { | |
7871c8e9 | 548 | |
66a4c743 LP |
549 | Context *c = userdata; |
550 | const char *name; | |
7871c8e9 | 551 | |
d7f4ad20 LP |
552 | context_read_machine_info(c); |
553 | ||
66a4c743 | 554 | if (isempty(c->data[PROP_CHASSIS])) |
7871c8e9 LP |
555 | name = fallback_chassis(); |
556 | else | |
66a4c743 | 557 | name = c->data[PROP_CHASSIS]; |
7871c8e9 | 558 | |
ebcf1f97 | 559 | return sd_bus_message_append(reply, "s", name); |
7871c8e9 LP |
560 | } |
561 | ||
72f48cd3 LP |
562 | static int property_get_uname_field( |
563 | sd_bus *bus, | |
564 | const char *path, | |
565 | const char *interface, | |
566 | const char *property, | |
567 | sd_bus_message *reply, | |
568 | void *userdata, | |
569 | sd_bus_error *error) { | |
570 | ||
571 | struct utsname u; | |
572 | ||
573 | assert_se(uname(&u) >= 0); | |
574 | ||
575 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
576 | } | |
577 | ||
19070062 | 578 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
579 | Context *c = userdata; |
580 | const char *name; | |
aa994368 LP |
581 | int interactive, r; |
582 | struct utsname u; | |
d200735e | 583 | |
19070062 LP |
584 | assert(m); |
585 | assert(c); | |
586 | ||
66a4c743 LP |
587 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
588 | if (r < 0) | |
ebcf1f97 | 589 | return r; |
d200735e | 590 | |
d7f4ad20 LP |
591 | context_read_etc_hostname(c); |
592 | ||
66a4c743 LP |
593 | if (isempty(name)) |
594 | name = c->data[PROP_STATIC_HOSTNAME]; | |
7640a5de | 595 | |
66a4c743 | 596 | if (isempty(name)) |
8146c32b | 597 | name = FALLBACK_HOSTNAME; |
7640a5de | 598 | |
8fb49443 | 599 | if (!hostname_is_valid(name, false)) |
ebcf1f97 | 600 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 601 | |
aa994368 LP |
602 | assert_se(uname(&u) >= 0); |
603 | if (streq_ptr(name, u.nodename)) | |
df2d202e | 604 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 605 | |
c529695e LP |
606 | r = bus_verify_polkit_async( |
607 | m, | |
608 | CAP_SYS_ADMIN, | |
609 | "org.freedesktop.hostname1.set-hostname", | |
403ed0e5 | 610 | NULL, |
c529695e LP |
611 | interactive, |
612 | UID_INVALID, | |
613 | &c->polkit_registry, | |
614 | error); | |
66a4c743 | 615 | if (r < 0) |
ebcf1f97 | 616 | return r; |
66a4c743 LP |
617 | if (r == 0) |
618 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 619 | |
aa994368 | 620 | r = context_update_kernel_hostname(c, name); |
66a4c743 | 621 | if (r < 0) { |
38b38500 | 622 | log_error_errno(r, "Failed to set hostname: %m"); |
1b4cd646 | 623 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
66a4c743 | 624 | } |
7640a5de | 625 | |
aa994368 | 626 | log_info("Changed hostname to '%s'", name); |
7640a5de | 627 | |
19070062 | 628 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "Hostname", NULL); |
7640a5de | 629 | |
df2d202e | 630 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 631 | } |
7640a5de | 632 | |
19070062 | 633 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
634 | Context *c = userdata; |
635 | const char *name; | |
102d8f81 | 636 | int interactive; |
66a4c743 | 637 | int r; |
7640a5de | 638 | |
19070062 LP |
639 | assert(m); |
640 | assert(c); | |
641 | ||
66a4c743 LP |
642 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
643 | if (r < 0) | |
ebcf1f97 | 644 | return r; |
7640a5de | 645 | |
3c6f7c34 | 646 | name = empty_to_null(name); |
7640a5de | 647 | |
d7f4ad20 LP |
648 | context_read_etc_hostname(c); |
649 | ||
66a4c743 | 650 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 651 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 652 | |
c650f207 YW |
653 | if (!isempty(name) && !hostname_is_valid(name, false)) |
654 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); | |
655 | ||
c529695e LP |
656 | r = bus_verify_polkit_async( |
657 | m, | |
658 | CAP_SYS_ADMIN, | |
659 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 660 | NULL, |
c529695e LP |
661 | interactive, |
662 | UID_INVALID, | |
663 | &c->polkit_registry, | |
664 | error); | |
66a4c743 | 665 | if (r < 0) |
ebcf1f97 | 666 | return r; |
66a4c743 LP |
667 | if (r == 0) |
668 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 669 | |
c650f207 YW |
670 | r = free_and_strdup(&c->data[PROP_STATIC_HOSTNAME], name); |
671 | if (r < 0) | |
672 | return r; | |
7640a5de | 673 | |
aa994368 | 674 | r = context_update_kernel_hostname(c, NULL); |
c779a442 | 675 | if (r < 0) { |
38b38500 | 676 | log_error_errno(r, "Failed to set hostname: %m"); |
1b4cd646 | 677 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
c779a442 SW |
678 | } |
679 | ||
66a4c743 LP |
680 | r = context_write_data_static_hostname(c); |
681 | if (r < 0) { | |
38b38500 | 682 | log_error_errno(r, "Failed to write static hostname: %m"); |
1b4cd646 | 683 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 684 | } |
7640a5de | 685 | |
38b38500 | 686 | log_info("Changed static hostname to '%s'", strna(c->data[PROP_STATIC_HOSTNAME])); |
7640a5de | 687 | |
19070062 | 688 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL); |
7640a5de | 689 | |
df2d202e | 690 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 691 | } |
7640a5de | 692 | |
19070062 | 693 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 694 | int interactive; |
66a4c743 LP |
695 | const char *name; |
696 | int r; | |
697 | ||
698 | assert(c); | |
66a4c743 LP |
699 | assert(m); |
700 | ||
701 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
702 | if (r < 0) | |
ebcf1f97 | 703 | return r; |
66a4c743 | 704 | |
3c6f7c34 | 705 | name = empty_to_null(name); |
66a4c743 | 706 | |
d7f4ad20 LP |
707 | context_read_machine_info(c); |
708 | ||
66a4c743 | 709 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 710 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 711 | |
c650f207 YW |
712 | if (!isempty(name)) { |
713 | /* The icon name might ultimately be used as file | |
714 | * name, so better be safe than sorry */ | |
715 | ||
716 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
717 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
718 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 719 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
720 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
721 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
722 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
723 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
724 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
725 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
726 | } | |
727 | ||
66a4c743 LP |
728 | /* Since the pretty hostname should always be changed at the |
729 | * same time as the static one, use the same policy action for | |
730 | * both... */ | |
731 | ||
c529695e LP |
732 | r = bus_verify_polkit_async( |
733 | m, | |
734 | CAP_SYS_ADMIN, | |
735 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 736 | NULL, |
c529695e LP |
737 | interactive, |
738 | UID_INVALID, | |
739 | &c->polkit_registry, | |
740 | error); | |
66a4c743 | 741 | if (r < 0) |
ebcf1f97 | 742 | return r; |
66a4c743 LP |
743 | if (r == 0) |
744 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
745 | ||
c650f207 YW |
746 | r = free_and_strdup(&c->data[prop], name); |
747 | if (r < 0) | |
748 | return r; | |
7640a5de | 749 | |
f200e8bb | 750 | r = context_write_data_machine_info(c); |
66a4c743 | 751 | if (r < 0) { |
da927ba9 | 752 | log_error_errno(r, "Failed to write machine info: %m"); |
1b4cd646 | 753 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 754 | } |
7640a5de | 755 | |
66a4c743 | 756 | log_info("Changed %s to '%s'", |
38b38500 | 757 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 758 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 759 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 760 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 761 | |
19070062 LP |
762 | (void) sd_bus_emit_properties_changed( |
763 | sd_bus_message_get_bus(m), | |
764 | "/org/freedesktop/hostname1", | |
765 | "org.freedesktop.hostname1", | |
766 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
767 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
768 | prop == PROP_LOCATION ? "Location" : | |
769 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 770 | |
df2d202e | 771 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 772 | } |
7640a5de | 773 | |
19070062 LP |
774 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
775 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
776 | } |
777 | ||
19070062 LP |
778 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
779 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
780 | } |
781 | ||
19070062 LP |
782 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
783 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
784 | } |
785 | ||
19070062 LP |
786 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
787 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
788 | } |
789 | ||
19070062 LP |
790 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
791 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
792 | } |
793 | ||
21e627da YW |
794 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
795 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
796 | Context *c = userdata; | |
5704cd73 | 797 | bool has_uuid = false; |
21e627da | 798 | int interactive, r; |
5704cd73 | 799 | sd_id128_t uuid; |
21e627da YW |
800 | |
801 | assert(m); | |
802 | assert(c); | |
803 | ||
5704cd73 LP |
804 | r = id128_read("/sys/class/dmi/id/product_uuid", ID128_UUID, &uuid); |
805 | if (r == -ENOENT) | |
806 | r = id128_read("/sys/firmware/devicetree/base/vm,uuid", ID128_UUID, &uuid); | |
807 | if (r < 0) | |
808 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
809 | "Failed to read product UUID, ignoring: %m"); | |
810 | else if (sd_id128_is_null(uuid) || sd_id128_is_allf(uuid)) | |
811 | log_debug("DMI product UUID " SD_ID128_FORMAT_STR " is all 0x00 or all 0xFF, ignoring.", SD_ID128_FORMAT_VAL(uuid)); | |
812 | else | |
813 | has_uuid = true; | |
814 | ||
815 | if (!has_uuid) | |
816 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
817 | "Failed to read product UUID from firmware."); | |
21e627da YW |
818 | |
819 | r = sd_bus_message_read(m, "b", &interactive); | |
820 | if (r < 0) | |
821 | return r; | |
822 | ||
823 | r = bus_verify_polkit_async( | |
824 | m, | |
825 | CAP_SYS_ADMIN, | |
826 | "org.freedesktop.hostname1.get-product-uuid", | |
827 | NULL, | |
828 | interactive, | |
829 | UID_INVALID, | |
830 | &c->polkit_registry, | |
831 | error); | |
832 | if (r < 0) | |
833 | return r; | |
834 | if (r == 0) | |
835 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
836 | ||
837 | r = sd_bus_message_new_method_return(m, &reply); | |
838 | if (r < 0) | |
839 | return r; | |
840 | ||
5704cd73 | 841 | r = sd_bus_message_append_array(reply, 'y', &uuid, sizeof(uuid)); |
21e627da YW |
842 | if (r < 0) |
843 | return r; | |
844 | ||
845 | return sd_bus_send(NULL, reply, NULL); | |
846 | } | |
847 | ||
66a4c743 LP |
848 | static const sd_bus_vtable hostname_vtable[] = { |
849 | SD_BUS_VTABLE_START(0), | |
aa994368 | 850 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
851 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
852 | SD_BUS_PROPERTY("PrettyHostname", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
66a4c743 LP |
853 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
854 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
855 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
856 | SD_BUS_PROPERTY("Location", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_LOCATION, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
72f48cd3 LP |
857 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
858 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
859 | SD_BUS_PROPERTY("KernelVersion", "s", property_get_uname_field, offsetof(struct utsname, version), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
d7f4ad20 LP |
860 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
861 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
862 | SD_BUS_PROPERTY("HomeURL", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_HOME_URL, SD_BUS_VTABLE_PROPERTY_CONST), | |
106d79be ZJS |
863 | |
864 | SD_BUS_METHOD_WITH_NAMES("SetHostname", | |
865 | "sb", | |
866 | SD_BUS_PARAM(hostname) | |
867 | SD_BUS_PARAM(interactive), | |
868 | NULL,, | |
869 | method_set_hostname, | |
870 | SD_BUS_VTABLE_UNPRIVILEGED), | |
871 | SD_BUS_METHOD_WITH_NAMES("SetStaticHostname", | |
872 | "sb", | |
873 | SD_BUS_PARAM(hostname) | |
874 | SD_BUS_PARAM(interactive), | |
875 | NULL,, | |
876 | method_set_static_hostname, | |
877 | SD_BUS_VTABLE_UNPRIVILEGED), | |
878 | SD_BUS_METHOD_WITH_NAMES("SetPrettyHostname", | |
879 | "sb", | |
880 | SD_BUS_PARAM(hostname) | |
881 | SD_BUS_PARAM(interactive), | |
882 | NULL,, | |
883 | method_set_pretty_hostname, | |
884 | SD_BUS_VTABLE_UNPRIVILEGED), | |
885 | SD_BUS_METHOD_WITH_NAMES("SetIconName", | |
886 | "sb", | |
887 | SD_BUS_PARAM(icon) | |
888 | SD_BUS_PARAM(interactive), | |
889 | NULL,, | |
890 | method_set_icon_name, | |
891 | SD_BUS_VTABLE_UNPRIVILEGED), | |
892 | SD_BUS_METHOD_WITH_NAMES("SetChassis", | |
893 | "sb", | |
894 | SD_BUS_PARAM(chassis) | |
895 | SD_BUS_PARAM(interactive), | |
896 | NULL,, | |
897 | method_set_chassis, | |
898 | SD_BUS_VTABLE_UNPRIVILEGED), | |
899 | SD_BUS_METHOD_WITH_NAMES("SetDeployment", | |
900 | "sb", | |
901 | SD_BUS_PARAM(deployment) | |
902 | SD_BUS_PARAM(interactive), | |
903 | NULL,, | |
904 | method_set_deployment, | |
905 | SD_BUS_VTABLE_UNPRIVILEGED), | |
906 | SD_BUS_METHOD_WITH_NAMES("SetLocation", | |
907 | "sb", | |
908 | SD_BUS_PARAM(location) | |
909 | SD_BUS_PARAM(interactive), | |
910 | NULL,, | |
911 | method_set_location, | |
912 | SD_BUS_VTABLE_UNPRIVILEGED), | |
913 | SD_BUS_METHOD_WITH_NAMES("GetProductUUID", | |
914 | "b", | |
915 | SD_BUS_PARAM(interactive), | |
916 | "ay", | |
917 | SD_BUS_PARAM(uuid), | |
918 | method_get_product_uuid, | |
919 | SD_BUS_VTABLE_UNPRIVILEGED), | |
920 | ||
66a4c743 LP |
921 | SD_BUS_VTABLE_END, |
922 | }; | |
923 | ||
670139db ZJS |
924 | static const BusObjectImplementation manager_object = { |
925 | "/org/freedesktop/hostname1", | |
926 | "org.freedesktop.hostname1", | |
927 | .vtables = BUS_VTABLES(hostname_vtable), | |
928 | }; | |
929 | ||
2ac4d1d4 | 930 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 931 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
932 | int r; |
933 | ||
66a4c743 LP |
934 | assert(c); |
935 | assert(event); | |
2ac4d1d4 | 936 | assert(ret); |
d0baa06f | 937 | |
76b54375 | 938 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
939 | if (r < 0) |
940 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 941 | |
670139db | 942 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 943 | if (r < 0) |
670139db | 944 | return r; |
d0baa06f | 945 | |
ac9f55ed LP |
946 | r = bus_log_control_api_register(bus); |
947 | if (r < 0) | |
948 | return r; | |
949 | ||
0c0b9306 | 950 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 951 | if (r < 0) |
0c0b9306 | 952 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 953 | |
66a4c743 | 954 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
955 | if (r < 0) |
956 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 957 | |
2ac4d1d4 | 958 | *ret = TAKE_PTR(bus); |
66a4c743 | 959 | return 0; |
d0baa06f LP |
960 | } |
961 | ||
85ae63ee | 962 | static int run(int argc, char *argv[]) { |
cfb9433d | 963 | _cleanup_(context_destroy) Context context = {}; |
4afd3348 LP |
964 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
965 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 966 | int r; |
d0baa06f | 967 | |
6bf3c61c | 968 | log_setup_service(); |
7640a5de | 969 | |
fc021a5b ZJS |
970 | r = service_parse_argv("systemd-hostnamed.service", |
971 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
972 | BUS_IMPLEMENTATIONS(&manager_object, |
973 | &log_control_object), | |
fc021a5b ZJS |
974 | argc, argv); |
975 | if (r <= 0) | |
976 | return r; | |
977 | ||
4c12626c | 978 | umask(0022); |
a9ba0e32 CG |
979 | |
980 | r = mac_selinux_init(); | |
981 | if (r < 0) | |
982 | return r; | |
4c12626c | 983 | |
b22c8bfc YW |
984 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
985 | ||
afc6adb5 | 986 | r = sd_event_default(&event); |
85ae63ee YW |
987 | if (r < 0) |
988 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 989 | |
b22c8bfc YW |
990 | (void) sd_event_set_watchdog(event, true); |
991 | ||
992 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
993 | if (r < 0) |
994 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
995 | |
996 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
997 | if (r < 0) |
998 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 999 | |
66a4c743 | 1000 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1001 | if (r < 0) |
85ae63ee | 1002 | return r; |
7640a5de | 1003 | |
37224a5f | 1004 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1005 | if (r < 0) |
1006 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1007 | |
85ae63ee | 1008 | return 0; |
7640a5de | 1009 | } |
85ae63ee YW |
1010 | |
1011 | DEFINE_MAIN_FUNCTION(run); |