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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" |
e2054217 | 20 | #include "hostname-setup.h" |
958b66ea | 21 | #include "hostname-util.h" |
21e627da | 22 | #include "id128-util.h" |
85ae63ee | 23 | #include "main-func.h" |
36dd5ffd | 24 | #include "missing_capability.h" |
7782e0a0 | 25 | #include "nscd-flush.h" |
d8b4d14d | 26 | #include "nulstr-util.h" |
d58ad743 | 27 | #include "os-util.h" |
6bedfcbb | 28 | #include "parse-util.h" |
bb15fafe | 29 | #include "path-util.h" |
6bedfcbb | 30 | #include "selinux-util.h" |
fc021a5b | 31 | #include "service-util.h" |
b22c8bfc | 32 | #include "signal-util.h" |
d7f4ad20 | 33 | #include "stat-util.h" |
6bedfcbb | 34 | #include "strv.h" |
ee104e11 | 35 | #include "user-util.h" |
6bedfcbb LP |
36 | #include "util.h" |
37 | #include "virt.h" | |
91f9dcaf | 38 | |
799298d6 JG |
39 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
40 | ||
7640a5de | 41 | enum { |
d7f4ad20 | 42 | /* Read from /etc/hostname */ |
7640a5de | 43 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
44 | |
45 | /* Read from /etc/machine-info */ | |
7640a5de LP |
46 | PROP_PRETTY_HOSTNAME, |
47 | PROP_ICON_NAME, | |
7871c8e9 | 48 | PROP_CHASSIS, |
799298d6 | 49 | PROP_DEPLOYMENT, |
ce0f1493 | 50 | PROP_LOCATION, |
d7f4ad20 LP |
51 | |
52 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
53 | PROP_OS_PRETTY_NAME, |
54 | PROP_OS_CPE_NAME, | |
d7f4ad20 LP |
55 | PROP_OS_HOME_URL, |
56 | _PROP_MAX, | |
57 | _PROP_INVALID = -1, | |
7640a5de LP |
58 | }; |
59 | ||
66a4c743 LP |
60 | typedef struct Context { |
61 | char *data[_PROP_MAX]; | |
d7f4ad20 LP |
62 | |
63 | struct stat etc_hostname_stat; | |
64 | struct stat etc_os_release_stat; | |
65 | struct stat etc_machine_info_stat; | |
66 | ||
66a4c743 LP |
67 | Hashmap *polkit_registry; |
68 | } Context; | |
ad740100 | 69 | |
d7f4ad20 | 70 | static void context_reset(Context *c, uint64_t mask) { |
7640a5de LP |
71 | int p; |
72 | ||
66a4c743 LP |
73 | assert(c); |
74 | ||
d7f4ad20 LP |
75 | for (p = 0; p < _PROP_MAX; p++) { |
76 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) | |
77 | continue; | |
78 | ||
a1e58e8e | 79 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 80 | } |
7640a5de LP |
81 | } |
82 | ||
cfb9433d | 83 | static void context_destroy(Context *c) { |
66a4c743 LP |
84 | assert(c); |
85 | ||
d7f4ad20 | 86 | context_reset(c, UINT64_MAX); |
36e34057 | 87 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
66a4c743 LP |
88 | } |
89 | ||
d7f4ad20 LP |
90 | static void context_read_etc_hostname(Context *c) { |
91 | struct stat current_stat = {}; | |
7640a5de LP |
92 | int r; |
93 | ||
66a4c743 LP |
94 | assert(c); |
95 | ||
d7f4ad20 LP |
96 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
97 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
98 | return; | |
99 | ||
100 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 101 | |
f35cb39e | 102 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 103 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
104 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
105 | ||
106 | c->etc_hostname_stat = current_stat; | |
107 | } | |
108 | ||
109 | static void context_read_machine_info(Context *c) { | |
110 | struct stat current_stat = {}; | |
111 | int r; | |
112 | ||
113 | assert(c); | |
114 | ||
115 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
116 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
117 | return; | |
118 | ||
119 | context_reset(c, | |
120 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
121 | (UINT64_C(1) << PROP_ICON_NAME) | | |
122 | (UINT64_C(1) << PROP_CHASSIS) | | |
123 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
124 | (UINT64_C(1) << PROP_LOCATION)); | |
7640a5de | 125 | |
aa8fbc74 | 126 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
127 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
128 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
129 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 130 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
13df9c39 | 131 | "LOCATION", &c->data[PROP_LOCATION]); |
7640a5de | 132 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
133 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
134 | ||
135 | c->etc_machine_info_stat = current_stat; | |
136 | } | |
137 | ||
138 | static void context_read_os_release(Context *c) { | |
139 | struct stat current_stat = {}; | |
140 | int r; | |
141 | ||
142 | assert(c); | |
143 | ||
144 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
145 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
146 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
147 | return; | |
148 | ||
149 | context_reset(c, | |
150 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
151 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
152 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 153 | |
d58ad743 LP |
154 | r = parse_os_release(NULL, |
155 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
156 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
d7f4ad20 | 157 | "HOME_URL", &c->data[PROP_OS_HOME_URL], |
d58ad743 | 158 | NULL); |
44c32988 | 159 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 160 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 161 | |
d7f4ad20 | 162 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
163 | } |
164 | ||
7871c8e9 | 165 | static bool valid_chassis(const char *chassis) { |
7871c8e9 LP |
166 | assert(chassis); |
167 | ||
168 | return nulstr_contains( | |
169 | "vm\0" | |
170 | "container\0" | |
171 | "desktop\0" | |
172 | "laptop\0" | |
34b52450 | 173 | "convertible\0" |
7871c8e9 LP |
174 | "server\0" |
175 | "tablet\0" | |
c49e59c1 | 176 | "handset\0" |
25fa306e LP |
177 | "watch\0" |
178 | "embedded\0", | |
7871c8e9 LP |
179 | chassis); |
180 | } | |
181 | ||
799298d6 JG |
182 | static bool valid_deployment(const char *deployment) { |
183 | assert(deployment); | |
184 | ||
c2142cf1 | 185 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
186 | } |
187 | ||
7871c8e9 | 188 | static const char* fallback_chassis(void) { |
7640a5de LP |
189 | char *type; |
190 | unsigned t; | |
219bfe38 | 191 | int v, r; |
7871c8e9 | 192 | |
75f86906 | 193 | v = detect_virtualization(); |
2ac4d1d4 LP |
194 | if (v < 0) |
195 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
196 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 197 | return "vm"; |
2ac4d1d4 | 198 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
199 | return "container"; |
200 | ||
219bfe38 | 201 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 LP |
202 | if (r < 0) { |
203 | log_debug_errno(v, "Failed to read DMI chassis type, ignoring: %m"); | |
219bfe38 | 204 | goto try_acpi; |
2ac4d1d4 | 205 | } |
7871c8e9 LP |
206 | |
207 | r = safe_atou(type, &t); | |
208 | free(type); | |
2ac4d1d4 LP |
209 | if (r < 0) { |
210 | log_debug_errno(v, "Failed to parse DMI chassis type, ignoring: %m"); | |
219bfe38 | 211 | goto try_acpi; |
2ac4d1d4 | 212 | } |
7871c8e9 | 213 | |
219bfe38 LP |
214 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
215 | additional guesswork on top of that. | |
216 | ||
217 | See the SMBIOS Specification 3.0 section 7.4.1 for details about the values listed here: | |
218 | ||
219 | https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
7871c8e9 LP |
220 | */ |
221 | ||
219bfe38 | 222 | switch (t) { |
7871c8e9 | 223 | |
219bfe38 LP |
224 | case 0x3: /* Desktop */ |
225 | case 0x4: /* Low Profile Desktop */ | |
226 | case 0x6: /* Mini Tower */ | |
227 | case 0x7: /* Tower */ | |
7c5c59d4 | 228 | case 0xD: /* All in one (i.e. PC built into monitor) */ |
7871c8e9 LP |
229 | return "desktop"; |
230 | ||
219bfe38 LP |
231 | case 0x8: /* Portable */ |
232 | case 0x9: /* Laptop */ | |
233 | case 0xA: /* Notebook */ | |
234 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 235 | return "laptop"; |
7640a5de | 236 | |
219bfe38 LP |
237 | case 0xB: /* Hand Held */ |
238 | return "handset"; | |
239 | ||
240 | case 0x11: /* Main Server Chassis */ | |
241 | case 0x1C: /* Blade */ | |
242 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 243 | return "server"; |
7640a5de | 244 | |
219bfe38 | 245 | case 0x1E: /* Tablet */ |
7871c8e9 | 246 | return "tablet"; |
b70af833 DH |
247 | |
248 | case 0x1F: /* Convertible */ | |
b4227dbb | 249 | case 0x20: /* Detachable */ |
b70af833 | 250 | return "convertible"; |
2ac4d1d4 LP |
251 | |
252 | default: | |
253 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
254 | } |
255 | ||
219bfe38 LP |
256 | try_acpi: |
257 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); | |
2ac4d1d4 LP |
258 | if (r < 0) { |
259 | log_debug_errno(v, "Failed read ACPI PM profile, ignoring: %m"); | |
7640a5de | 260 | return NULL; |
2ac4d1d4 | 261 | } |
7640a5de LP |
262 | |
263 | r = safe_atou(type, &t); | |
264 | free(type); | |
2ac4d1d4 LP |
265 | if (r < 0) { |
266 | log_debug_errno(v, "Failed parse ACPI PM profile, ignoring: %m"); | |
7640a5de | 267 | return NULL; |
2ac4d1d4 | 268 | } |
7640a5de | 269 | |
219bfe38 LP |
270 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
271 | * | |
272 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
273 | * | |
274 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 275 | */ |
7640a5de | 276 | |
219bfe38 | 277 | switch(t) { |
7640a5de | 278 | |
219bfe38 LP |
279 | case 1: /* Desktop */ |
280 | case 3: /* Workstation */ | |
281 | case 6: /* Appliance PC */ | |
7871c8e9 | 282 | return "desktop"; |
7640a5de | 283 | |
219bfe38 | 284 | case 2: /* Mobile */ |
7871c8e9 LP |
285 | return "laptop"; |
286 | ||
219bfe38 LP |
287 | case 4: /* Enterprise Server */ |
288 | case 5: /* SOHO Server */ | |
289 | case 7: /* Performance Server */ | |
7871c8e9 | 290 | return "server"; |
f3f4f008 | 291 | |
219bfe38 | 292 | case 8: /* Tablet */ |
f3f4f008 | 293 | return "tablet"; |
2ac4d1d4 LP |
294 | |
295 | default: | |
296 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
297 | } |
298 | ||
7640a5de LP |
299 | return NULL; |
300 | } | |
301 | ||
66a4c743 | 302 | static char* context_fallback_icon_name(Context *c) { |
7871c8e9 LP |
303 | const char *chassis; |
304 | ||
66a4c743 LP |
305 | assert(c); |
306 | ||
307 | if (!isempty(c->data[PROP_CHASSIS])) | |
b910cc72 | 308 | return strjoin("computer-", c->data[PROP_CHASSIS]); |
7871c8e9 LP |
309 | |
310 | chassis = fallback_chassis(); | |
311 | if (chassis) | |
b910cc72 | 312 | return strjoin("computer-", chassis); |
7871c8e9 LP |
313 | |
314 | return strdup("computer"); | |
315 | } | |
316 | ||
c779a442 | 317 | static bool hostname_is_useful(const char *hn) { |
fecc80c1 | 318 | return !isempty(hn) && !is_localhost(hn); |
c779a442 SW |
319 | } |
320 | ||
aa994368 LP |
321 | static int context_update_kernel_hostname( |
322 | Context *c, | |
323 | const char *transient_hn) { | |
324 | ||
325 | const char *static_hn, *hn; | |
326 | struct utsname u; | |
7d9ec609 | 327 | int r; |
7640a5de | 328 | |
66a4c743 LP |
329 | assert(c); |
330 | ||
aa994368 LP |
331 | if (!transient_hn) { |
332 | /* If no transient hostname is passed in, then let's check what is currently set. */ | |
333 | assert_se(uname(&u) >= 0); | |
334 | transient_hn = | |
335 | isempty(u.nodename) || streq(u.nodename, "(none)") ? NULL : u.nodename; | |
336 | } | |
337 | ||
c779a442 SW |
338 | static_hn = c->data[PROP_STATIC_HOSTNAME]; |
339 | ||
340 | /* /etc/hostname with something other than "localhost" | |
341 | * has the highest preference ... */ | |
342 | if (hostname_is_useful(static_hn)) | |
343 | hn = static_hn; | |
344 | ||
38b38500 | 345 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
aa994368 LP |
346 | else if (!isempty(transient_hn)) |
347 | hn = transient_hn; | |
7640a5de | 348 | |
c779a442 SW |
349 | /* ... fallback to static "localhost.*" ignored above ... */ |
350 | else if (!isempty(static_hn)) | |
351 | hn = static_hn; | |
352 | ||
353 | /* ... and the ultimate fallback */ | |
354 | else | |
8146c32b | 355 | hn = FALLBACK_HOSTNAME; |
c779a442 | 356 | |
7d9ec609 ZJS |
357 | r = sethostname_idempotent(hn); |
358 | if (r < 0) | |
359 | return r; | |
7640a5de | 360 | |
7782e0a0 | 361 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
efda832d | 362 | return r; /* 0 if no change, 1 if something was done */ |
7640a5de LP |
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"); |
efda832d ZJS |
629 | } else if (r == 0) |
630 | log_debug("Hostname was already set to <%s>.", name); | |
631 | else { | |
632 | log_info("Hostname set to <%s>", name); | |
633 | ||
634 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), | |
635 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
636 | "Hostname", "HostnameSource", NULL); | |
66a4c743 | 637 | } |
7640a5de | 638 | |
df2d202e | 639 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 640 | } |
7640a5de | 641 | |
19070062 | 642 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
643 | Context *c = userdata; |
644 | const char *name; | |
102d8f81 | 645 | int interactive; |
66a4c743 | 646 | int r; |
7640a5de | 647 | |
19070062 LP |
648 | assert(m); |
649 | assert(c); | |
650 | ||
66a4c743 LP |
651 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
652 | if (r < 0) | |
ebcf1f97 | 653 | return r; |
7640a5de | 654 | |
3c6f7c34 | 655 | name = empty_to_null(name); |
7640a5de | 656 | |
d7f4ad20 LP |
657 | context_read_etc_hostname(c); |
658 | ||
66a4c743 | 659 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 660 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 661 | |
52ef5dd7 | 662 | if (!isempty(name) && !hostname_is_valid(name, 0)) |
c650f207 YW |
663 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
664 | ||
c529695e LP |
665 | r = bus_verify_polkit_async( |
666 | m, | |
667 | CAP_SYS_ADMIN, | |
668 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 669 | NULL, |
c529695e LP |
670 | interactive, |
671 | UID_INVALID, | |
672 | &c->polkit_registry, | |
673 | error); | |
66a4c743 | 674 | if (r < 0) |
ebcf1f97 | 675 | return r; |
66a4c743 LP |
676 | if (r == 0) |
677 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 678 | |
c650f207 YW |
679 | r = free_and_strdup(&c->data[PROP_STATIC_HOSTNAME], name); |
680 | if (r < 0) | |
681 | return r; | |
7640a5de | 682 | |
aa994368 | 683 | r = context_update_kernel_hostname(c, NULL); |
c779a442 | 684 | if (r < 0) { |
38b38500 | 685 | log_error_errno(r, "Failed to set hostname: %m"); |
1b4cd646 | 686 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
c779a442 SW |
687 | } |
688 | ||
66a4c743 LP |
689 | r = context_write_data_static_hostname(c); |
690 | if (r < 0) { | |
38b38500 | 691 | log_error_errno(r, "Failed to write static hostname: %m"); |
1b4cd646 | 692 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 693 | } |
7640a5de | 694 | |
38b38500 | 695 | log_info("Changed static hostname to '%s'", strna(c->data[PROP_STATIC_HOSTNAME])); |
7640a5de | 696 | |
efda832d ZJS |
697 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
698 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", "StaticHostname", NULL); | |
7640a5de | 699 | |
df2d202e | 700 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 701 | } |
7640a5de | 702 | |
19070062 | 703 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 704 | int interactive; |
66a4c743 LP |
705 | const char *name; |
706 | int r; | |
707 | ||
708 | assert(c); | |
66a4c743 LP |
709 | assert(m); |
710 | ||
711 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
712 | if (r < 0) | |
ebcf1f97 | 713 | return r; |
66a4c743 | 714 | |
3c6f7c34 | 715 | name = empty_to_null(name); |
66a4c743 | 716 | |
d7f4ad20 LP |
717 | context_read_machine_info(c); |
718 | ||
66a4c743 | 719 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 720 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 721 | |
c650f207 YW |
722 | if (!isempty(name)) { |
723 | /* The icon name might ultimately be used as file | |
724 | * name, so better be safe than sorry */ | |
725 | ||
726 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
727 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
728 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 729 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
730 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
731 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
732 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
733 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
734 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
735 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
736 | } | |
737 | ||
66a4c743 LP |
738 | /* Since the pretty hostname should always be changed at the |
739 | * same time as the static one, use the same policy action for | |
740 | * both... */ | |
741 | ||
c529695e LP |
742 | r = bus_verify_polkit_async( |
743 | m, | |
744 | CAP_SYS_ADMIN, | |
745 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 746 | NULL, |
c529695e LP |
747 | interactive, |
748 | UID_INVALID, | |
749 | &c->polkit_registry, | |
750 | error); | |
66a4c743 | 751 | if (r < 0) |
ebcf1f97 | 752 | return r; |
66a4c743 LP |
753 | if (r == 0) |
754 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
755 | ||
c650f207 YW |
756 | r = free_and_strdup(&c->data[prop], name); |
757 | if (r < 0) | |
758 | return r; | |
7640a5de | 759 | |
f200e8bb | 760 | r = context_write_data_machine_info(c); |
66a4c743 | 761 | if (r < 0) { |
da927ba9 | 762 | log_error_errno(r, "Failed to write machine info: %m"); |
1b4cd646 | 763 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 764 | } |
7640a5de | 765 | |
66a4c743 | 766 | log_info("Changed %s to '%s'", |
38b38500 | 767 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 768 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 769 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 770 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 771 | |
19070062 LP |
772 | (void) sd_bus_emit_properties_changed( |
773 | sd_bus_message_get_bus(m), | |
774 | "/org/freedesktop/hostname1", | |
775 | "org.freedesktop.hostname1", | |
776 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
777 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
778 | prop == PROP_LOCATION ? "Location" : | |
779 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 780 | |
df2d202e | 781 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 782 | } |
7640a5de | 783 | |
19070062 LP |
784 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
785 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
786 | } |
787 | ||
19070062 LP |
788 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
789 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
790 | } |
791 | ||
19070062 LP |
792 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
793 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
794 | } |
795 | ||
19070062 LP |
796 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
797 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
798 | } |
799 | ||
19070062 LP |
800 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
801 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
802 | } |
803 | ||
21e627da YW |
804 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
805 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
806 | Context *c = userdata; | |
5704cd73 | 807 | bool has_uuid = false; |
21e627da | 808 | int interactive, r; |
5704cd73 | 809 | sd_id128_t uuid; |
21e627da YW |
810 | |
811 | assert(m); | |
812 | assert(c); | |
813 | ||
5704cd73 LP |
814 | r = id128_read("/sys/class/dmi/id/product_uuid", ID128_UUID, &uuid); |
815 | if (r == -ENOENT) | |
816 | r = id128_read("/sys/firmware/devicetree/base/vm,uuid", ID128_UUID, &uuid); | |
817 | if (r < 0) | |
818 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
819 | "Failed to read product UUID, ignoring: %m"); | |
820 | else if (sd_id128_is_null(uuid) || sd_id128_is_allf(uuid)) | |
821 | log_debug("DMI product UUID " SD_ID128_FORMAT_STR " is all 0x00 or all 0xFF, ignoring.", SD_ID128_FORMAT_VAL(uuid)); | |
822 | else | |
823 | has_uuid = true; | |
824 | ||
825 | if (!has_uuid) | |
826 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
827 | "Failed to read product UUID from firmware."); | |
21e627da YW |
828 | |
829 | r = sd_bus_message_read(m, "b", &interactive); | |
830 | if (r < 0) | |
831 | return r; | |
832 | ||
833 | r = bus_verify_polkit_async( | |
834 | m, | |
835 | CAP_SYS_ADMIN, | |
836 | "org.freedesktop.hostname1.get-product-uuid", | |
837 | NULL, | |
838 | interactive, | |
839 | UID_INVALID, | |
840 | &c->polkit_registry, | |
841 | error); | |
842 | if (r < 0) | |
843 | return r; | |
844 | if (r == 0) | |
845 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
846 | ||
847 | r = sd_bus_message_new_method_return(m, &reply); | |
848 | if (r < 0) | |
849 | return r; | |
850 | ||
5704cd73 | 851 | r = sd_bus_message_append_array(reply, 'y', &uuid, sizeof(uuid)); |
21e627da YW |
852 | if (r < 0) |
853 | return r; | |
854 | ||
855 | return sd_bus_send(NULL, reply, NULL); | |
856 | } | |
857 | ||
66a4c743 LP |
858 | static const sd_bus_vtable hostname_vtable[] = { |
859 | SD_BUS_VTABLE_START(0), | |
aa994368 | 860 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
861 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
862 | 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 | 863 | SD_BUS_PROPERTY("FallbackHostname", "s", property_get_fallback_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
66a4c743 LP |
864 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
865 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
866 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
867 | 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 |
868 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
869 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
870 | 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 |
871 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
872 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
873 | 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 |
874 | |
875 | SD_BUS_METHOD_WITH_NAMES("SetHostname", | |
876 | "sb", | |
877 | SD_BUS_PARAM(hostname) | |
878 | SD_BUS_PARAM(interactive), | |
879 | NULL,, | |
880 | method_set_hostname, | |
881 | SD_BUS_VTABLE_UNPRIVILEGED), | |
882 | SD_BUS_METHOD_WITH_NAMES("SetStaticHostname", | |
883 | "sb", | |
884 | SD_BUS_PARAM(hostname) | |
885 | SD_BUS_PARAM(interactive), | |
886 | NULL,, | |
887 | method_set_static_hostname, | |
888 | SD_BUS_VTABLE_UNPRIVILEGED), | |
889 | SD_BUS_METHOD_WITH_NAMES("SetPrettyHostname", | |
890 | "sb", | |
891 | SD_BUS_PARAM(hostname) | |
892 | SD_BUS_PARAM(interactive), | |
893 | NULL,, | |
894 | method_set_pretty_hostname, | |
895 | SD_BUS_VTABLE_UNPRIVILEGED), | |
896 | SD_BUS_METHOD_WITH_NAMES("SetIconName", | |
897 | "sb", | |
898 | SD_BUS_PARAM(icon) | |
899 | SD_BUS_PARAM(interactive), | |
900 | NULL,, | |
901 | method_set_icon_name, | |
902 | SD_BUS_VTABLE_UNPRIVILEGED), | |
903 | SD_BUS_METHOD_WITH_NAMES("SetChassis", | |
904 | "sb", | |
905 | SD_BUS_PARAM(chassis) | |
906 | SD_BUS_PARAM(interactive), | |
907 | NULL,, | |
908 | method_set_chassis, | |
909 | SD_BUS_VTABLE_UNPRIVILEGED), | |
910 | SD_BUS_METHOD_WITH_NAMES("SetDeployment", | |
911 | "sb", | |
912 | SD_BUS_PARAM(deployment) | |
913 | SD_BUS_PARAM(interactive), | |
914 | NULL,, | |
915 | method_set_deployment, | |
916 | SD_BUS_VTABLE_UNPRIVILEGED), | |
917 | SD_BUS_METHOD_WITH_NAMES("SetLocation", | |
918 | "sb", | |
919 | SD_BUS_PARAM(location) | |
920 | SD_BUS_PARAM(interactive), | |
921 | NULL,, | |
922 | method_set_location, | |
923 | SD_BUS_VTABLE_UNPRIVILEGED), | |
924 | SD_BUS_METHOD_WITH_NAMES("GetProductUUID", | |
925 | "b", | |
926 | SD_BUS_PARAM(interactive), | |
927 | "ay", | |
928 | SD_BUS_PARAM(uuid), | |
929 | method_get_product_uuid, | |
930 | SD_BUS_VTABLE_UNPRIVILEGED), | |
931 | ||
66a4c743 LP |
932 | SD_BUS_VTABLE_END, |
933 | }; | |
934 | ||
670139db ZJS |
935 | static const BusObjectImplementation manager_object = { |
936 | "/org/freedesktop/hostname1", | |
937 | "org.freedesktop.hostname1", | |
938 | .vtables = BUS_VTABLES(hostname_vtable), | |
939 | }; | |
940 | ||
2ac4d1d4 | 941 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 942 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
943 | int r; |
944 | ||
66a4c743 LP |
945 | assert(c); |
946 | assert(event); | |
2ac4d1d4 | 947 | assert(ret); |
d0baa06f | 948 | |
76b54375 | 949 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
950 | if (r < 0) |
951 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 952 | |
670139db | 953 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 954 | if (r < 0) |
670139db | 955 | return r; |
d0baa06f | 956 | |
ac9f55ed LP |
957 | r = bus_log_control_api_register(bus); |
958 | if (r < 0) | |
959 | return r; | |
960 | ||
0c0b9306 | 961 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 962 | if (r < 0) |
0c0b9306 | 963 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 964 | |
66a4c743 | 965 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
966 | if (r < 0) |
967 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 968 | |
2ac4d1d4 | 969 | *ret = TAKE_PTR(bus); |
66a4c743 | 970 | return 0; |
d0baa06f LP |
971 | } |
972 | ||
85ae63ee | 973 | static int run(int argc, char *argv[]) { |
cfb9433d | 974 | _cleanup_(context_destroy) Context context = {}; |
4afd3348 LP |
975 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
976 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 977 | int r; |
d0baa06f | 978 | |
6bf3c61c | 979 | log_setup_service(); |
7640a5de | 980 | |
fc021a5b ZJS |
981 | r = service_parse_argv("systemd-hostnamed.service", |
982 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
983 | BUS_IMPLEMENTATIONS(&manager_object, |
984 | &log_control_object), | |
fc021a5b ZJS |
985 | argc, argv); |
986 | if (r <= 0) | |
987 | return r; | |
988 | ||
4c12626c | 989 | umask(0022); |
a9ba0e32 CG |
990 | |
991 | r = mac_selinux_init(); | |
992 | if (r < 0) | |
993 | return r; | |
4c12626c | 994 | |
b22c8bfc YW |
995 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
996 | ||
afc6adb5 | 997 | r = sd_event_default(&event); |
85ae63ee YW |
998 | if (r < 0) |
999 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 1000 | |
b22c8bfc YW |
1001 | (void) sd_event_set_watchdog(event, true); |
1002 | ||
1003 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
1004 | if (r < 0) |
1005 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
1006 | |
1007 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
1008 | if (r < 0) |
1009 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1010 | |
66a4c743 | 1011 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1012 | if (r < 0) |
85ae63ee | 1013 | return r; |
7640a5de | 1014 | |
37224a5f | 1015 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1016 | if (r < 0) |
1017 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1018 | |
85ae63ee | 1019 | return 0; |
7640a5de | 1020 | } |
85ae63ee YW |
1021 | |
1022 | DEFINE_MAIN_FUNCTION(run); |