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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" |
ce6b138c | 11 | #include "bus-get-properties.h" |
ac9f55ed | 12 | #include "bus-log-control-api.h" |
269e4d2d | 13 | #include "bus-polkit.h" |
ad740100 | 14 | #include "def.h" |
686d13b9 LP |
15 | #include "env-file-label.h" |
16 | #include "env-file.h" | |
4d1a6904 | 17 | #include "env-util.h" |
6bedfcbb | 18 | #include "fileio-label.h" |
ee228be1 | 19 | #include "fileio.h" |
958b66ea | 20 | #include "hostname-util.h" |
21e627da | 21 | #include "id128-util.h" |
85ae63ee | 22 | #include "main-func.h" |
36dd5ffd | 23 | #include "missing_capability.h" |
7782e0a0 | 24 | #include "nscd-flush.h" |
d8b4d14d | 25 | #include "nulstr-util.h" |
d58ad743 | 26 | #include "os-util.h" |
6bedfcbb | 27 | #include "parse-util.h" |
bb15fafe | 28 | #include "path-util.h" |
6bedfcbb | 29 | #include "selinux-util.h" |
fc021a5b | 30 | #include "service-util.h" |
b22c8bfc | 31 | #include "signal-util.h" |
d7f4ad20 | 32 | #include "stat-util.h" |
6bedfcbb | 33 | #include "strv.h" |
ee104e11 | 34 | #include "user-util.h" |
6bedfcbb LP |
35 | #include "util.h" |
36 | #include "virt.h" | |
91f9dcaf | 37 | |
799298d6 JG |
38 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
39 | ||
7640a5de | 40 | enum { |
d7f4ad20 | 41 | /* Read from /etc/hostname */ |
7640a5de | 42 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
43 | |
44 | /* Read from /etc/machine-info */ | |
7640a5de LP |
45 | PROP_PRETTY_HOSTNAME, |
46 | PROP_ICON_NAME, | |
7871c8e9 | 47 | PROP_CHASSIS, |
799298d6 | 48 | PROP_DEPLOYMENT, |
ce0f1493 | 49 | PROP_LOCATION, |
d7f4ad20 LP |
50 | |
51 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
52 | PROP_OS_PRETTY_NAME, |
53 | PROP_OS_CPE_NAME, | |
d7f4ad20 LP |
54 | PROP_OS_HOME_URL, |
55 | _PROP_MAX, | |
56 | _PROP_INVALID = -1, | |
7640a5de LP |
57 | }; |
58 | ||
66a4c743 LP |
59 | typedef struct Context { |
60 | char *data[_PROP_MAX]; | |
d7f4ad20 LP |
61 | |
62 | struct stat etc_hostname_stat; | |
63 | struct stat etc_os_release_stat; | |
64 | struct stat etc_machine_info_stat; | |
65 | ||
66a4c743 LP |
66 | Hashmap *polkit_registry; |
67 | } Context; | |
ad740100 | 68 | |
d7f4ad20 | 69 | static void context_reset(Context *c, uint64_t mask) { |
7640a5de LP |
70 | int p; |
71 | ||
66a4c743 LP |
72 | assert(c); |
73 | ||
d7f4ad20 LP |
74 | for (p = 0; p < _PROP_MAX; p++) { |
75 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) | |
76 | continue; | |
77 | ||
a1e58e8e | 78 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 79 | } |
7640a5de LP |
80 | } |
81 | ||
cfb9433d | 82 | static void context_destroy(Context *c) { |
66a4c743 LP |
83 | assert(c); |
84 | ||
d7f4ad20 | 85 | context_reset(c, UINT64_MAX); |
36e34057 | 86 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
66a4c743 LP |
87 | } |
88 | ||
d7f4ad20 LP |
89 | static void context_read_etc_hostname(Context *c) { |
90 | struct stat current_stat = {}; | |
7640a5de LP |
91 | int r; |
92 | ||
66a4c743 LP |
93 | assert(c); |
94 | ||
d7f4ad20 LP |
95 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
96 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
97 | return; | |
98 | ||
99 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 100 | |
f35cb39e | 101 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 102 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
103 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
104 | ||
105 | c->etc_hostname_stat = current_stat; | |
106 | } | |
107 | ||
108 | static void context_read_machine_info(Context *c) { | |
109 | struct stat current_stat = {}; | |
110 | int r; | |
111 | ||
112 | assert(c); | |
113 | ||
114 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
115 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
116 | return; | |
117 | ||
118 | context_reset(c, | |
119 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
120 | (UINT64_C(1) << PROP_ICON_NAME) | | |
121 | (UINT64_C(1) << PROP_CHASSIS) | | |
122 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
123 | (UINT64_C(1) << PROP_LOCATION)); | |
7640a5de | 124 | |
aa8fbc74 | 125 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
126 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
127 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
128 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 129 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
13df9c39 | 130 | "LOCATION", &c->data[PROP_LOCATION]); |
7640a5de | 131 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
132 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
133 | ||
134 | c->etc_machine_info_stat = current_stat; | |
135 | } | |
136 | ||
137 | static void context_read_os_release(Context *c) { | |
138 | struct stat current_stat = {}; | |
139 | int r; | |
140 | ||
141 | assert(c); | |
142 | ||
143 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
144 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
145 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
146 | return; | |
147 | ||
148 | context_reset(c, | |
149 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
150 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
151 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 152 | |
d58ad743 LP |
153 | r = parse_os_release(NULL, |
154 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
155 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
d7f4ad20 | 156 | "HOME_URL", &c->data[PROP_OS_HOME_URL], |
d58ad743 | 157 | NULL); |
44c32988 | 158 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 159 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 160 | |
d7f4ad20 | 161 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
162 | } |
163 | ||
7871c8e9 | 164 | static bool valid_chassis(const char *chassis) { |
7871c8e9 LP |
165 | assert(chassis); |
166 | ||
167 | return nulstr_contains( | |
168 | "vm\0" | |
169 | "container\0" | |
170 | "desktop\0" | |
171 | "laptop\0" | |
34b52450 | 172 | "convertible\0" |
7871c8e9 LP |
173 | "server\0" |
174 | "tablet\0" | |
c49e59c1 | 175 | "handset\0" |
25fa306e LP |
176 | "watch\0" |
177 | "embedded\0", | |
7871c8e9 LP |
178 | chassis); |
179 | } | |
180 | ||
799298d6 JG |
181 | static bool valid_deployment(const char *deployment) { |
182 | assert(deployment); | |
183 | ||
c2142cf1 | 184 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
185 | } |
186 | ||
7871c8e9 | 187 | static const char* fallback_chassis(void) { |
7640a5de LP |
188 | char *type; |
189 | unsigned t; | |
219bfe38 | 190 | int v, r; |
7871c8e9 | 191 | |
75f86906 | 192 | v = detect_virtualization(); |
2ac4d1d4 LP |
193 | if (v < 0) |
194 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
195 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 196 | return "vm"; |
2ac4d1d4 | 197 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
198 | return "container"; |
199 | ||
219bfe38 | 200 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 LP |
201 | if (r < 0) { |
202 | log_debug_errno(v, "Failed to read DMI chassis type, ignoring: %m"); | |
219bfe38 | 203 | goto try_acpi; |
2ac4d1d4 | 204 | } |
7871c8e9 LP |
205 | |
206 | r = safe_atou(type, &t); | |
207 | free(type); | |
2ac4d1d4 LP |
208 | if (r < 0) { |
209 | log_debug_errno(v, "Failed to parse DMI chassis type, ignoring: %m"); | |
219bfe38 | 210 | goto try_acpi; |
2ac4d1d4 | 211 | } |
7871c8e9 | 212 | |
219bfe38 LP |
213 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
214 | additional guesswork on top of that. | |
215 | ||
216 | See the SMBIOS Specification 3.0 section 7.4.1 for details about the values listed here: | |
217 | ||
218 | https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
7871c8e9 LP |
219 | */ |
220 | ||
219bfe38 | 221 | switch (t) { |
7871c8e9 | 222 | |
219bfe38 LP |
223 | case 0x3: /* Desktop */ |
224 | case 0x4: /* Low Profile Desktop */ | |
225 | case 0x6: /* Mini Tower */ | |
226 | case 0x7: /* Tower */ | |
7c5c59d4 | 227 | case 0xD: /* All in one (i.e. PC built into monitor) */ |
7871c8e9 LP |
228 | return "desktop"; |
229 | ||
219bfe38 LP |
230 | case 0x8: /* Portable */ |
231 | case 0x9: /* Laptop */ | |
232 | case 0xA: /* Notebook */ | |
233 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 234 | return "laptop"; |
7640a5de | 235 | |
219bfe38 LP |
236 | case 0xB: /* Hand Held */ |
237 | return "handset"; | |
238 | ||
239 | case 0x11: /* Main Server Chassis */ | |
240 | case 0x1C: /* Blade */ | |
241 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 242 | return "server"; |
7640a5de | 243 | |
219bfe38 | 244 | case 0x1E: /* Tablet */ |
7871c8e9 | 245 | return "tablet"; |
b70af833 DH |
246 | |
247 | case 0x1F: /* Convertible */ | |
b4227dbb | 248 | case 0x20: /* Detachable */ |
b70af833 | 249 | return "convertible"; |
2ac4d1d4 LP |
250 | |
251 | default: | |
252 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
253 | } |
254 | ||
219bfe38 LP |
255 | try_acpi: |
256 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); | |
2ac4d1d4 LP |
257 | if (r < 0) { |
258 | log_debug_errno(v, "Failed read ACPI PM profile, ignoring: %m"); | |
7640a5de | 259 | return NULL; |
2ac4d1d4 | 260 | } |
7640a5de LP |
261 | |
262 | r = safe_atou(type, &t); | |
263 | free(type); | |
2ac4d1d4 LP |
264 | if (r < 0) { |
265 | log_debug_errno(v, "Failed parse ACPI PM profile, ignoring: %m"); | |
7640a5de | 266 | return NULL; |
2ac4d1d4 | 267 | } |
7640a5de | 268 | |
219bfe38 LP |
269 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
270 | * | |
271 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
272 | * | |
273 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 274 | */ |
7640a5de | 275 | |
219bfe38 | 276 | switch(t) { |
7640a5de | 277 | |
219bfe38 LP |
278 | case 1: /* Desktop */ |
279 | case 3: /* Workstation */ | |
280 | case 6: /* Appliance PC */ | |
7871c8e9 | 281 | return "desktop"; |
7640a5de | 282 | |
219bfe38 | 283 | case 2: /* Mobile */ |
7871c8e9 LP |
284 | return "laptop"; |
285 | ||
219bfe38 LP |
286 | case 4: /* Enterprise Server */ |
287 | case 5: /* SOHO Server */ | |
288 | case 7: /* Performance Server */ | |
7871c8e9 | 289 | return "server"; |
f3f4f008 | 290 | |
219bfe38 | 291 | case 8: /* Tablet */ |
f3f4f008 | 292 | return "tablet"; |
2ac4d1d4 LP |
293 | |
294 | default: | |
295 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
296 | } |
297 | ||
7640a5de LP |
298 | return NULL; |
299 | } | |
300 | ||
66a4c743 | 301 | static char* context_fallback_icon_name(Context *c) { |
7871c8e9 LP |
302 | const char *chassis; |
303 | ||
66a4c743 LP |
304 | assert(c); |
305 | ||
306 | if (!isempty(c->data[PROP_CHASSIS])) | |
b910cc72 | 307 | return strjoin("computer-", c->data[PROP_CHASSIS]); |
7871c8e9 LP |
308 | |
309 | chassis = fallback_chassis(); | |
310 | if (chassis) | |
b910cc72 | 311 | return strjoin("computer-", chassis); |
7871c8e9 LP |
312 | |
313 | return strdup("computer"); | |
314 | } | |
315 | ||
c779a442 | 316 | static bool hostname_is_useful(const char *hn) { |
fecc80c1 | 317 | return !isempty(hn) && !is_localhost(hn); |
c779a442 SW |
318 | } |
319 | ||
aa994368 LP |
320 | static int context_update_kernel_hostname( |
321 | Context *c, | |
322 | const char *transient_hn) { | |
323 | ||
324 | const char *static_hn, *hn; | |
325 | struct utsname u; | |
7d9ec609 | 326 | int r; |
7640a5de | 327 | |
66a4c743 LP |
328 | assert(c); |
329 | ||
aa994368 LP |
330 | if (!transient_hn) { |
331 | /* If no transient hostname is passed in, then let's check what is currently set. */ | |
332 | assert_se(uname(&u) >= 0); | |
333 | transient_hn = | |
334 | isempty(u.nodename) || streq(u.nodename, "(none)") ? NULL : u.nodename; | |
335 | } | |
336 | ||
c779a442 SW |
337 | static_hn = c->data[PROP_STATIC_HOSTNAME]; |
338 | ||
339 | /* /etc/hostname with something other than "localhost" | |
340 | * has the highest preference ... */ | |
341 | if (hostname_is_useful(static_hn)) | |
342 | hn = static_hn; | |
343 | ||
38b38500 | 344 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
aa994368 LP |
345 | else if (!isempty(transient_hn)) |
346 | hn = transient_hn; | |
7640a5de | 347 | |
c779a442 SW |
348 | /* ... fallback to static "localhost.*" ignored above ... */ |
349 | else if (!isempty(static_hn)) | |
350 | hn = static_hn; | |
351 | ||
352 | /* ... and the ultimate fallback */ | |
353 | else | |
8146c32b | 354 | hn = FALLBACK_HOSTNAME; |
c779a442 | 355 | |
7d9ec609 ZJS |
356 | r = sethostname_idempotent(hn); |
357 | if (r < 0) | |
358 | return r; | |
7640a5de | 359 | |
7782e0a0 LP |
360 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
361 | ||
7640a5de LP |
362 | return 0; |
363 | } | |
364 | ||
66a4c743 | 365 | static int context_write_data_static_hostname(Context *c) { |
66a4c743 LP |
366 | assert(c); |
367 | ||
368 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { | |
7640a5de LP |
369 | |
370 | if (unlink("/etc/hostname") < 0) | |
371 | return errno == ENOENT ? 0 : -errno; | |
372 | ||
373 | return 0; | |
374 | } | |
66a4c743 | 375 | return write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
7640a5de LP |
376 | } |
377 | ||
f200e8bb | 378 | static int context_write_data_machine_info(Context *c) { |
4f34ed54 | 379 | |
7640a5de LP |
380 | static const char * const name[_PROP_MAX] = { |
381 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 382 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
383 | [PROP_CHASSIS] = "CHASSIS", |
384 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 385 | [PROP_LOCATION] = "LOCATION", |
7640a5de LP |
386 | }; |
387 | ||
0ccad099 | 388 | _cleanup_strv_free_ char **l = NULL; |
7640a5de LP |
389 | int r, p; |
390 | ||
66a4c743 LP |
391 | assert(c); |
392 | ||
aa8fbc74 | 393 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
394 | if (r < 0 && r != -ENOENT) |
395 | return r; | |
396 | ||
ce0f1493 | 397 | for (p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
d77ab3f7 LP |
398 | _cleanup_free_ char *t = NULL; |
399 | char **u; | |
7640a5de LP |
400 | |
401 | assert(name[p]); | |
402 | ||
66a4c743 | 403 | if (isempty(c->data[p])) { |
f8440af5 | 404 | strv_env_unset(l, name[p]); |
7640a5de LP |
405 | continue; |
406 | } | |
407 | ||
605405c6 | 408 | t = strjoin(name[p], "=", c->data[p]); |
d77ab3f7 | 409 | if (!t) |
7640a5de | 410 | return -ENOMEM; |
7640a5de LP |
411 | |
412 | u = strv_env_set(l, t); | |
7640a5de LP |
413 | if (!u) |
414 | return -ENOMEM; | |
0ccad099 | 415 | |
130d3d22 | 416 | strv_free_and_replace(l, u); |
7640a5de LP |
417 | } |
418 | ||
419 | if (strv_isempty(l)) { | |
7640a5de LP |
420 | if (unlink("/etc/machine-info") < 0) |
421 | return errno == ENOENT ? 0 : -errno; | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
0ccad099 | 426 | return write_env_file_label("/etc/machine-info", l); |
7640a5de LP |
427 | } |
428 | ||
aa994368 LP |
429 | static int property_get_hostname( |
430 | sd_bus *bus, | |
431 | const char *path, | |
432 | const char *interface, | |
433 | const char *property, | |
434 | sd_bus_message *reply, | |
435 | void *userdata, | |
436 | sd_bus_error *error) { | |
437 | ||
438 | _cleanup_free_ char *current = NULL; | |
439 | int r; | |
440 | ||
441 | r = gethostname_strict(¤t); | |
442 | if (r == -ENXIO) | |
443 | return sd_bus_message_append(reply, "s", FALLBACK_HOSTNAME); | |
444 | if (r < 0) | |
445 | return r; | |
446 | ||
447 | return sd_bus_message_append(reply, "s", current); | |
448 | } | |
449 | ||
d7f4ad20 LP |
450 | static int property_get_static_hostname( |
451 | sd_bus *bus, | |
452 | const char *path, | |
453 | const char *interface, | |
454 | const char *property, | |
455 | sd_bus_message *reply, | |
456 | void *userdata, | |
457 | sd_bus_error *error) { | |
458 | ||
459 | Context *c = userdata; | |
460 | assert(c); | |
461 | ||
462 | context_read_etc_hostname(c); | |
463 | ||
464 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
465 | } | |
466 | ||
ce6b138c ZJS |
467 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_fallback_hostname, "s", FALLBACK_HOSTNAME); |
468 | ||
d7f4ad20 LP |
469 | static int property_get_machine_info_field( |
470 | sd_bus *bus, | |
471 | const char *path, | |
472 | const char *interface, | |
473 | const char *property, | |
474 | sd_bus_message *reply, | |
475 | void *userdata, | |
476 | sd_bus_error *error) { | |
477 | ||
478 | sd_bus_slot *slot; | |
479 | Context *c; | |
480 | ||
481 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
482 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
483 | * pointer to the property field inside the context object that we are supposed to update and | |
484 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
485 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
486 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
487 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
488 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
489 | * directly off it. */ | |
490 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
491 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
492 | ||
493 | context_read_machine_info(c); | |
494 | ||
495 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
496 | } | |
497 | ||
498 | static int property_get_os_release_field( | |
499 | sd_bus *bus, | |
500 | const char *path, | |
501 | const char *interface, | |
502 | const char *property, | |
503 | sd_bus_message *reply, | |
504 | void *userdata, | |
505 | sd_bus_error *error) { | |
506 | ||
507 | sd_bus_slot *slot; | |
508 | Context *c; | |
509 | ||
510 | /* As above, acquire the current context without this property's userdata offset added. */ | |
511 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
512 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
513 | ||
514 | context_read_os_release(c); | |
515 | ||
516 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
517 | } | |
518 | ||
66a4c743 LP |
519 | static int property_get_icon_name( |
520 | sd_bus *bus, | |
521 | const char *path, | |
522 | const char *interface, | |
523 | const char *property, | |
524 | sd_bus_message *reply, | |
ebcf1f97 LP |
525 | void *userdata, |
526 | sd_bus_error *error) { | |
7640a5de | 527 | |
66a4c743 LP |
528 | _cleanup_free_ char *n = NULL; |
529 | Context *c = userdata; | |
530 | const char *name; | |
7640a5de | 531 | |
d7f4ad20 LP |
532 | context_read_machine_info(c); |
533 | ||
66a4c743 LP |
534 | if (isempty(c->data[PROP_ICON_NAME])) |
535 | name = n = context_fallback_icon_name(c); | |
7640a5de | 536 | else |
66a4c743 LP |
537 | name = c->data[PROP_ICON_NAME]; |
538 | ||
539 | if (!name) | |
540 | return -ENOMEM; | |
7640a5de | 541 | |
ebcf1f97 | 542 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
543 | } |
544 | ||
66a4c743 LP |
545 | static int property_get_chassis( |
546 | sd_bus *bus, | |
547 | const char *path, | |
548 | const char *interface, | |
549 | const char *property, | |
550 | sd_bus_message *reply, | |
ebcf1f97 LP |
551 | void *userdata, |
552 | sd_bus_error *error) { | |
7871c8e9 | 553 | |
66a4c743 LP |
554 | Context *c = userdata; |
555 | const char *name; | |
7871c8e9 | 556 | |
d7f4ad20 LP |
557 | context_read_machine_info(c); |
558 | ||
66a4c743 | 559 | if (isempty(c->data[PROP_CHASSIS])) |
7871c8e9 LP |
560 | name = fallback_chassis(); |
561 | else | |
66a4c743 | 562 | name = c->data[PROP_CHASSIS]; |
7871c8e9 | 563 | |
ebcf1f97 | 564 | return sd_bus_message_append(reply, "s", name); |
7871c8e9 LP |
565 | } |
566 | ||
72f48cd3 LP |
567 | static int property_get_uname_field( |
568 | sd_bus *bus, | |
569 | const char *path, | |
570 | const char *interface, | |
571 | const char *property, | |
572 | sd_bus_message *reply, | |
573 | void *userdata, | |
574 | sd_bus_error *error) { | |
575 | ||
576 | struct utsname u; | |
577 | ||
578 | assert_se(uname(&u) >= 0); | |
579 | ||
580 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
581 | } | |
582 | ||
19070062 | 583 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
584 | Context *c = userdata; |
585 | const char *name; | |
aa994368 LP |
586 | int interactive, r; |
587 | struct utsname u; | |
d200735e | 588 | |
19070062 LP |
589 | assert(m); |
590 | assert(c); | |
591 | ||
66a4c743 LP |
592 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
593 | if (r < 0) | |
ebcf1f97 | 594 | return r; |
d200735e | 595 | |
d7f4ad20 LP |
596 | context_read_etc_hostname(c); |
597 | ||
66a4c743 LP |
598 | if (isempty(name)) |
599 | name = c->data[PROP_STATIC_HOSTNAME]; | |
7640a5de | 600 | |
66a4c743 | 601 | if (isempty(name)) |
8146c32b | 602 | name = FALLBACK_HOSTNAME; |
7640a5de | 603 | |
52ef5dd7 | 604 | if (!hostname_is_valid(name, 0)) |
ebcf1f97 | 605 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 606 | |
aa994368 LP |
607 | assert_se(uname(&u) >= 0); |
608 | if (streq_ptr(name, u.nodename)) | |
df2d202e | 609 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 610 | |
c529695e LP |
611 | r = bus_verify_polkit_async( |
612 | m, | |
613 | CAP_SYS_ADMIN, | |
614 | "org.freedesktop.hostname1.set-hostname", | |
403ed0e5 | 615 | NULL, |
c529695e LP |
616 | interactive, |
617 | UID_INVALID, | |
618 | &c->polkit_registry, | |
619 | error); | |
66a4c743 | 620 | if (r < 0) |
ebcf1f97 | 621 | return r; |
66a4c743 LP |
622 | if (r == 0) |
623 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 624 | |
aa994368 | 625 | r = context_update_kernel_hostname(c, name); |
66a4c743 | 626 | if (r < 0) { |
38b38500 | 627 | log_error_errno(r, "Failed to set hostname: %m"); |
1b4cd646 | 628 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
66a4c743 | 629 | } |
7640a5de | 630 | |
aa994368 | 631 | log_info("Changed hostname to '%s'", name); |
7640a5de | 632 | |
19070062 | 633 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "Hostname", NULL); |
7640a5de | 634 | |
df2d202e | 635 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 636 | } |
7640a5de | 637 | |
19070062 | 638 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
639 | Context *c = userdata; |
640 | const char *name; | |
102d8f81 | 641 | int interactive; |
66a4c743 | 642 | int r; |
7640a5de | 643 | |
19070062 LP |
644 | assert(m); |
645 | assert(c); | |
646 | ||
66a4c743 LP |
647 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
648 | if (r < 0) | |
ebcf1f97 | 649 | return r; |
7640a5de | 650 | |
3c6f7c34 | 651 | name = empty_to_null(name); |
7640a5de | 652 | |
d7f4ad20 LP |
653 | context_read_etc_hostname(c); |
654 | ||
66a4c743 | 655 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 656 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 657 | |
52ef5dd7 | 658 | if (!isempty(name) && !hostname_is_valid(name, 0)) |
c650f207 YW |
659 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
660 | ||
c529695e LP |
661 | r = bus_verify_polkit_async( |
662 | m, | |
663 | CAP_SYS_ADMIN, | |
664 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 665 | NULL, |
c529695e LP |
666 | interactive, |
667 | UID_INVALID, | |
668 | &c->polkit_registry, | |
669 | error); | |
66a4c743 | 670 | if (r < 0) |
ebcf1f97 | 671 | return r; |
66a4c743 LP |
672 | if (r == 0) |
673 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 674 | |
c650f207 YW |
675 | r = free_and_strdup(&c->data[PROP_STATIC_HOSTNAME], name); |
676 | if (r < 0) | |
677 | return r; | |
7640a5de | 678 | |
aa994368 | 679 | r = context_update_kernel_hostname(c, NULL); |
c779a442 | 680 | if (r < 0) { |
38b38500 | 681 | log_error_errno(r, "Failed to set hostname: %m"); |
1b4cd646 | 682 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
c779a442 SW |
683 | } |
684 | ||
66a4c743 LP |
685 | r = context_write_data_static_hostname(c); |
686 | if (r < 0) { | |
38b38500 | 687 | log_error_errno(r, "Failed to write static hostname: %m"); |
1b4cd646 | 688 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 689 | } |
7640a5de | 690 | |
38b38500 | 691 | log_info("Changed static hostname to '%s'", strna(c->data[PROP_STATIC_HOSTNAME])); |
7640a5de | 692 | |
19070062 | 693 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL); |
7640a5de | 694 | |
df2d202e | 695 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 696 | } |
7640a5de | 697 | |
19070062 | 698 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 699 | int interactive; |
66a4c743 LP |
700 | const char *name; |
701 | int r; | |
702 | ||
703 | assert(c); | |
66a4c743 LP |
704 | assert(m); |
705 | ||
706 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
707 | if (r < 0) | |
ebcf1f97 | 708 | return r; |
66a4c743 | 709 | |
3c6f7c34 | 710 | name = empty_to_null(name); |
66a4c743 | 711 | |
d7f4ad20 LP |
712 | context_read_machine_info(c); |
713 | ||
66a4c743 | 714 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 715 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 716 | |
c650f207 YW |
717 | if (!isempty(name)) { |
718 | /* The icon name might ultimately be used as file | |
719 | * name, so better be safe than sorry */ | |
720 | ||
721 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
722 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
723 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 724 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
725 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
726 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
727 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
728 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
729 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
730 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
731 | } | |
732 | ||
66a4c743 LP |
733 | /* Since the pretty hostname should always be changed at the |
734 | * same time as the static one, use the same policy action for | |
735 | * both... */ | |
736 | ||
c529695e LP |
737 | r = bus_verify_polkit_async( |
738 | m, | |
739 | CAP_SYS_ADMIN, | |
740 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 741 | NULL, |
c529695e LP |
742 | interactive, |
743 | UID_INVALID, | |
744 | &c->polkit_registry, | |
745 | error); | |
66a4c743 | 746 | if (r < 0) |
ebcf1f97 | 747 | return r; |
66a4c743 LP |
748 | if (r == 0) |
749 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
750 | ||
c650f207 YW |
751 | r = free_and_strdup(&c->data[prop], name); |
752 | if (r < 0) | |
753 | return r; | |
7640a5de | 754 | |
f200e8bb | 755 | r = context_write_data_machine_info(c); |
66a4c743 | 756 | if (r < 0) { |
da927ba9 | 757 | log_error_errno(r, "Failed to write machine info: %m"); |
1b4cd646 | 758 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 759 | } |
7640a5de | 760 | |
66a4c743 | 761 | log_info("Changed %s to '%s'", |
38b38500 | 762 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 763 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 764 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 765 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 766 | |
19070062 LP |
767 | (void) sd_bus_emit_properties_changed( |
768 | sd_bus_message_get_bus(m), | |
769 | "/org/freedesktop/hostname1", | |
770 | "org.freedesktop.hostname1", | |
771 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
772 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
773 | prop == PROP_LOCATION ? "Location" : | |
774 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 775 | |
df2d202e | 776 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 777 | } |
7640a5de | 778 | |
19070062 LP |
779 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
780 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
781 | } |
782 | ||
19070062 LP |
783 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
784 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
785 | } |
786 | ||
19070062 LP |
787 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
788 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
789 | } |
790 | ||
19070062 LP |
791 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
792 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
793 | } |
794 | ||
19070062 LP |
795 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
796 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
797 | } |
798 | ||
21e627da YW |
799 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
800 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
801 | Context *c = userdata; | |
5704cd73 | 802 | bool has_uuid = false; |
21e627da | 803 | int interactive, r; |
5704cd73 | 804 | sd_id128_t uuid; |
21e627da YW |
805 | |
806 | assert(m); | |
807 | assert(c); | |
808 | ||
5704cd73 LP |
809 | r = id128_read("/sys/class/dmi/id/product_uuid", ID128_UUID, &uuid); |
810 | if (r == -ENOENT) | |
811 | r = id128_read("/sys/firmware/devicetree/base/vm,uuid", ID128_UUID, &uuid); | |
812 | if (r < 0) | |
813 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
814 | "Failed to read product UUID, ignoring: %m"); | |
815 | else if (sd_id128_is_null(uuid) || sd_id128_is_allf(uuid)) | |
816 | log_debug("DMI product UUID " SD_ID128_FORMAT_STR " is all 0x00 or all 0xFF, ignoring.", SD_ID128_FORMAT_VAL(uuid)); | |
817 | else | |
818 | has_uuid = true; | |
819 | ||
820 | if (!has_uuid) | |
821 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
822 | "Failed to read product UUID from firmware."); | |
21e627da YW |
823 | |
824 | r = sd_bus_message_read(m, "b", &interactive); | |
825 | if (r < 0) | |
826 | return r; | |
827 | ||
828 | r = bus_verify_polkit_async( | |
829 | m, | |
830 | CAP_SYS_ADMIN, | |
831 | "org.freedesktop.hostname1.get-product-uuid", | |
832 | NULL, | |
833 | interactive, | |
834 | UID_INVALID, | |
835 | &c->polkit_registry, | |
836 | error); | |
837 | if (r < 0) | |
838 | return r; | |
839 | if (r == 0) | |
840 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
841 | ||
842 | r = sd_bus_message_new_method_return(m, &reply); | |
843 | if (r < 0) | |
844 | return r; | |
845 | ||
5704cd73 | 846 | r = sd_bus_message_append_array(reply, 'y', &uuid, sizeof(uuid)); |
21e627da YW |
847 | if (r < 0) |
848 | return r; | |
849 | ||
850 | return sd_bus_send(NULL, reply, NULL); | |
851 | } | |
852 | ||
66a4c743 LP |
853 | static const sd_bus_vtable hostname_vtable[] = { |
854 | SD_BUS_VTABLE_START(0), | |
aa994368 | 855 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
856 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
857 | SD_BUS_PROPERTY("PrettyHostname", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
ce6b138c | 858 | SD_BUS_PROPERTY("FallbackHostname", "s", property_get_fallback_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
66a4c743 LP |
859 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
860 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
861 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
862 | 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 |
863 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
864 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
865 | 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 |
866 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
867 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
868 | 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 |
869 | |
870 | SD_BUS_METHOD_WITH_NAMES("SetHostname", | |
871 | "sb", | |
872 | SD_BUS_PARAM(hostname) | |
873 | SD_BUS_PARAM(interactive), | |
874 | NULL,, | |
875 | method_set_hostname, | |
876 | SD_BUS_VTABLE_UNPRIVILEGED), | |
877 | SD_BUS_METHOD_WITH_NAMES("SetStaticHostname", | |
878 | "sb", | |
879 | SD_BUS_PARAM(hostname) | |
880 | SD_BUS_PARAM(interactive), | |
881 | NULL,, | |
882 | method_set_static_hostname, | |
883 | SD_BUS_VTABLE_UNPRIVILEGED), | |
884 | SD_BUS_METHOD_WITH_NAMES("SetPrettyHostname", | |
885 | "sb", | |
886 | SD_BUS_PARAM(hostname) | |
887 | SD_BUS_PARAM(interactive), | |
888 | NULL,, | |
889 | method_set_pretty_hostname, | |
890 | SD_BUS_VTABLE_UNPRIVILEGED), | |
891 | SD_BUS_METHOD_WITH_NAMES("SetIconName", | |
892 | "sb", | |
893 | SD_BUS_PARAM(icon) | |
894 | SD_BUS_PARAM(interactive), | |
895 | NULL,, | |
896 | method_set_icon_name, | |
897 | SD_BUS_VTABLE_UNPRIVILEGED), | |
898 | SD_BUS_METHOD_WITH_NAMES("SetChassis", | |
899 | "sb", | |
900 | SD_BUS_PARAM(chassis) | |
901 | SD_BUS_PARAM(interactive), | |
902 | NULL,, | |
903 | method_set_chassis, | |
904 | SD_BUS_VTABLE_UNPRIVILEGED), | |
905 | SD_BUS_METHOD_WITH_NAMES("SetDeployment", | |
906 | "sb", | |
907 | SD_BUS_PARAM(deployment) | |
908 | SD_BUS_PARAM(interactive), | |
909 | NULL,, | |
910 | method_set_deployment, | |
911 | SD_BUS_VTABLE_UNPRIVILEGED), | |
912 | SD_BUS_METHOD_WITH_NAMES("SetLocation", | |
913 | "sb", | |
914 | SD_BUS_PARAM(location) | |
915 | SD_BUS_PARAM(interactive), | |
916 | NULL,, | |
917 | method_set_location, | |
918 | SD_BUS_VTABLE_UNPRIVILEGED), | |
919 | SD_BUS_METHOD_WITH_NAMES("GetProductUUID", | |
920 | "b", | |
921 | SD_BUS_PARAM(interactive), | |
922 | "ay", | |
923 | SD_BUS_PARAM(uuid), | |
924 | method_get_product_uuid, | |
925 | SD_BUS_VTABLE_UNPRIVILEGED), | |
926 | ||
66a4c743 LP |
927 | SD_BUS_VTABLE_END, |
928 | }; | |
929 | ||
670139db ZJS |
930 | static const BusObjectImplementation manager_object = { |
931 | "/org/freedesktop/hostname1", | |
932 | "org.freedesktop.hostname1", | |
933 | .vtables = BUS_VTABLES(hostname_vtable), | |
934 | }; | |
935 | ||
2ac4d1d4 | 936 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 937 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
938 | int r; |
939 | ||
66a4c743 LP |
940 | assert(c); |
941 | assert(event); | |
2ac4d1d4 | 942 | assert(ret); |
d0baa06f | 943 | |
76b54375 | 944 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
945 | if (r < 0) |
946 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 947 | |
670139db | 948 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 949 | if (r < 0) |
670139db | 950 | return r; |
d0baa06f | 951 | |
ac9f55ed LP |
952 | r = bus_log_control_api_register(bus); |
953 | if (r < 0) | |
954 | return r; | |
955 | ||
0c0b9306 | 956 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 957 | if (r < 0) |
0c0b9306 | 958 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 959 | |
66a4c743 | 960 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
961 | if (r < 0) |
962 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 963 | |
2ac4d1d4 | 964 | *ret = TAKE_PTR(bus); |
66a4c743 | 965 | return 0; |
d0baa06f LP |
966 | } |
967 | ||
85ae63ee | 968 | static int run(int argc, char *argv[]) { |
cfb9433d | 969 | _cleanup_(context_destroy) Context context = {}; |
4afd3348 LP |
970 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
971 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 972 | int r; |
d0baa06f | 973 | |
6bf3c61c | 974 | log_setup_service(); |
7640a5de | 975 | |
fc021a5b ZJS |
976 | r = service_parse_argv("systemd-hostnamed.service", |
977 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
978 | BUS_IMPLEMENTATIONS(&manager_object, |
979 | &log_control_object), | |
fc021a5b ZJS |
980 | argc, argv); |
981 | if (r <= 0) | |
982 | return r; | |
983 | ||
4c12626c | 984 | umask(0022); |
a9ba0e32 CG |
985 | |
986 | r = mac_selinux_init(); | |
987 | if (r < 0) | |
988 | return r; | |
4c12626c | 989 | |
b22c8bfc YW |
990 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
991 | ||
afc6adb5 | 992 | r = sd_event_default(&event); |
85ae63ee YW |
993 | if (r < 0) |
994 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 995 | |
b22c8bfc YW |
996 | (void) sd_event_set_watchdog(event, true); |
997 | ||
998 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
999 | if (r < 0) |
1000 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
1001 | |
1002 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
1003 | if (r < 0) |
1004 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1005 | |
66a4c743 | 1006 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1007 | if (r < 0) |
85ae63ee | 1008 | return r; |
7640a5de | 1009 | |
37224a5f | 1010 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1011 | if (r < 0) |
1012 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1013 | |
85ae63ee | 1014 | return 0; |
7640a5de | 1015 | } |
85ae63ee YW |
1016 | |
1017 | DEFINE_MAIN_FUNCTION(run); |