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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" |
7ecead8f | 23 | #include "json.h" |
85ae63ee | 24 | #include "main-func.h" |
36dd5ffd | 25 | #include "missing_capability.h" |
7782e0a0 | 26 | #include "nscd-flush.h" |
d8b4d14d | 27 | #include "nulstr-util.h" |
d58ad743 | 28 | #include "os-util.h" |
6bedfcbb | 29 | #include "parse-util.h" |
bb15fafe | 30 | #include "path-util.h" |
b9d80698 | 31 | #include "sd-device.h" |
6bedfcbb | 32 | #include "selinux-util.h" |
fc021a5b | 33 | #include "service-util.h" |
b22c8bfc | 34 | #include "signal-util.h" |
d7f4ad20 | 35 | #include "stat-util.h" |
60e4fb42 | 36 | #include "string-table.h" |
6bedfcbb | 37 | #include "strv.h" |
ee104e11 | 38 | #include "user-util.h" |
6bedfcbb LP |
39 | #include "util.h" |
40 | #include "virt.h" | |
91f9dcaf | 41 | |
799298d6 JG |
42 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
43 | ||
f8da67cd LP |
44 | /* Properties we cache are indexed by an enum, to make invalidation easy and systematic (as we can iterate |
45 | * through them all, and they are uniformly strings). */ | |
4fc7e4f3 | 46 | typedef enum { |
d7f4ad20 | 47 | /* Read from /etc/hostname */ |
7640a5de | 48 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
49 | |
50 | /* Read from /etc/machine-info */ | |
7640a5de LP |
51 | PROP_PRETTY_HOSTNAME, |
52 | PROP_ICON_NAME, | |
7871c8e9 | 53 | PROP_CHASSIS, |
799298d6 | 54 | PROP_DEPLOYMENT, |
ce0f1493 | 55 | PROP_LOCATION, |
4fc7e4f3 YW |
56 | PROP_VENDOR, |
57 | PROP_MODEL, | |
d7f4ad20 LP |
58 | |
59 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
60 | PROP_OS_PRETTY_NAME, |
61 | PROP_OS_CPE_NAME, | |
d7f4ad20 LP |
62 | PROP_OS_HOME_URL, |
63 | _PROP_MAX, | |
2d93c20e | 64 | _PROP_INVALID = -EINVAL, |
4fc7e4f3 | 65 | } HostProperty; |
7640a5de | 66 | |
66a4c743 LP |
67 | typedef struct Context { |
68 | char *data[_PROP_MAX]; | |
d7f4ad20 | 69 | |
60e4fb42 ZJS |
70 | HostnameSource hostname_source; |
71 | ||
d7f4ad20 LP |
72 | struct stat etc_hostname_stat; |
73 | struct stat etc_os_release_stat; | |
74 | struct stat etc_machine_info_stat; | |
75 | ||
66a4c743 LP |
76 | Hashmap *polkit_registry; |
77 | } Context; | |
ad740100 | 78 | |
d7f4ad20 | 79 | static void context_reset(Context *c, uint64_t mask) { |
66a4c743 LP |
80 | assert(c); |
81 | ||
536970d4 | 82 | for (int p = 0; p < _PROP_MAX; p++) { |
d7f4ad20 LP |
83 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) |
84 | continue; | |
85 | ||
a1e58e8e | 86 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 87 | } |
7640a5de LP |
88 | } |
89 | ||
cfb9433d | 90 | static void context_destroy(Context *c) { |
66a4c743 LP |
91 | assert(c); |
92 | ||
d7f4ad20 | 93 | context_reset(c, UINT64_MAX); |
36e34057 | 94 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
66a4c743 LP |
95 | } |
96 | ||
d7f4ad20 LP |
97 | static void context_read_etc_hostname(Context *c) { |
98 | struct stat current_stat = {}; | |
7640a5de LP |
99 | int r; |
100 | ||
66a4c743 LP |
101 | assert(c); |
102 | ||
d7f4ad20 LP |
103 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
104 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
105 | return; | |
106 | ||
107 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 108 | |
f35cb39e | 109 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 110 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
111 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
112 | ||
113 | c->etc_hostname_stat = current_stat; | |
114 | } | |
115 | ||
116 | static void context_read_machine_info(Context *c) { | |
117 | struct stat current_stat = {}; | |
118 | int r; | |
119 | ||
120 | assert(c); | |
121 | ||
122 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
123 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
124 | return; | |
125 | ||
126 | context_reset(c, | |
127 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
128 | (UINT64_C(1) << PROP_ICON_NAME) | | |
129 | (UINT64_C(1) << PROP_CHASSIS) | | |
130 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
131 | (UINT64_C(1) << PROP_LOCATION)); | |
7640a5de | 132 | |
aa8fbc74 | 133 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
134 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
135 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
136 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 137 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
4fc7e4f3 YW |
138 | "LOCATION", &c->data[PROP_LOCATION], |
139 | "VENDOR", &c->data[PROP_VENDOR], | |
140 | "MODEL", &c->data[PROP_MODEL]); | |
7640a5de | 141 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
142 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
143 | ||
144 | c->etc_machine_info_stat = current_stat; | |
145 | } | |
146 | ||
147 | static void context_read_os_release(Context *c) { | |
148 | struct stat current_stat = {}; | |
149 | int r; | |
150 | ||
151 | assert(c); | |
152 | ||
153 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
154 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
155 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
156 | return; | |
157 | ||
158 | context_reset(c, | |
159 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
160 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
161 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 162 | |
d58ad743 LP |
163 | r = parse_os_release(NULL, |
164 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
165 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
209c1470 | 166 | "HOME_URL", &c->data[PROP_OS_HOME_URL]); |
44c32988 | 167 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 168 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 169 | |
d7f4ad20 | 170 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
171 | } |
172 | ||
8c8b1800 YW |
173 | static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) { |
174 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
175 | _cleanup_free_ char *b = NULL; | |
176 | const char *s = NULL; | |
177 | int r; | |
178 | ||
179 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
180 | if (r < 0) | |
181 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
182 | ||
183 | if (database_key) | |
184 | (void) sd_device_get_property_value(device, database_key, &s); | |
185 | if (!s && regular_key) | |
186 | (void) sd_device_get_property_value(device, regular_key, &s); | |
187 | ||
e6fccf02 LP |
188 | if (!ret) |
189 | return !!s; | |
190 | ||
8c8b1800 YW |
191 | if (s) { |
192 | b = strdup(s); | |
193 | if (!b) | |
194 | return -ENOMEM; | |
195 | } | |
196 | ||
e6fccf02 | 197 | *ret = TAKE_PTR(b); |
8c8b1800 YW |
198 | return !!s; |
199 | } | |
200 | ||
201 | static int get_hardware_vendor(char **ret) { | |
202 | return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret); | |
203 | } | |
204 | ||
205 | static int get_hardware_model(char **ret) { | |
206 | return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret); | |
207 | } | |
208 | ||
96976629 YW |
209 | static int get_hardware_serial(char **ret) { |
210 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
211 | _cleanup_free_ char *b = NULL; | |
212 | const char *s = NULL; | |
213 | int r; | |
214 | ||
215 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
216 | if (r < 0) | |
217 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
218 | ||
219 | (void) sd_device_get_sysattr_value(device, "product_serial", &s); | |
220 | if (isempty(s)) | |
221 | /* Fallback to board serial */ | |
222 | (void) sd_device_get_sysattr_value(device, "board_serial", &s); | |
223 | ||
224 | if (!isempty(s)) { | |
225 | b = strdup(s); | |
226 | if (!b) | |
227 | return -ENOMEM; | |
228 | } | |
229 | ||
230 | if (ret) | |
231 | *ret = TAKE_PTR(b); | |
232 | ||
233 | return !isempty(s); | |
234 | } | |
235 | ||
e6e6ca82 | 236 | static const char* valid_chassis(const char *chassis) { |
7871c8e9 LP |
237 | assert(chassis); |
238 | ||
e6e6ca82 | 239 | return nulstr_get( |
7871c8e9 LP |
240 | "vm\0" |
241 | "container\0" | |
242 | "desktop\0" | |
243 | "laptop\0" | |
34b52450 | 244 | "convertible\0" |
7871c8e9 LP |
245 | "server\0" |
246 | "tablet\0" | |
c49e59c1 | 247 | "handset\0" |
25fa306e LP |
248 | "watch\0" |
249 | "embedded\0", | |
7871c8e9 LP |
250 | chassis); |
251 | } | |
252 | ||
799298d6 JG |
253 | static bool valid_deployment(const char *deployment) { |
254 | assert(deployment); | |
255 | ||
c2142cf1 | 256 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
257 | } |
258 | ||
7871c8e9 | 259 | static const char* fallback_chassis(void) { |
e6e6ca82 | 260 | const char *chassis; |
68cdeab3 | 261 | _cleanup_free_ char *type = NULL; |
7640a5de | 262 | unsigned t; |
219bfe38 | 263 | int v, r; |
7871c8e9 | 264 | |
75f86906 | 265 | v = detect_virtualization(); |
2ac4d1d4 LP |
266 | if (v < 0) |
267 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
268 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 269 | return "vm"; |
2ac4d1d4 | 270 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
271 | return "container"; |
272 | ||
219bfe38 | 273 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 | 274 | if (r < 0) { |
105a4245 | 275 | log_debug_errno(r, "Failed to read DMI chassis type, ignoring: %m"); |
219bfe38 | 276 | goto try_acpi; |
2ac4d1d4 | 277 | } |
7871c8e9 LP |
278 | |
279 | r = safe_atou(type, &t); | |
2ac4d1d4 | 280 | if (r < 0) { |
68cdeab3 | 281 | log_debug_errno(r, "Failed to parse DMI chassis type \"%s\", ignoring: %m", type); |
219bfe38 | 282 | goto try_acpi; |
2ac4d1d4 | 283 | } |
7871c8e9 | 284 | |
219bfe38 | 285 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
68cdeab3 ZJS |
286 | * additional guesswork on top of that. |
287 | * | |
288 | * See the SMBIOS Specification 3.0 section 7.4.1 for details about the values listed here: | |
289 | * | |
290 | * https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
7871c8e9 LP |
291 | */ |
292 | ||
219bfe38 | 293 | switch (t) { |
7871c8e9 | 294 | |
219bfe38 LP |
295 | case 0x3: /* Desktop */ |
296 | case 0x4: /* Low Profile Desktop */ | |
297 | case 0x6: /* Mini Tower */ | |
298 | case 0x7: /* Tower */ | |
7c5c59d4 | 299 | case 0xD: /* All in one (i.e. PC built into monitor) */ |
7871c8e9 LP |
300 | return "desktop"; |
301 | ||
219bfe38 LP |
302 | case 0x8: /* Portable */ |
303 | case 0x9: /* Laptop */ | |
304 | case 0xA: /* Notebook */ | |
305 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 306 | return "laptop"; |
7640a5de | 307 | |
219bfe38 LP |
308 | case 0xB: /* Hand Held */ |
309 | return "handset"; | |
310 | ||
311 | case 0x11: /* Main Server Chassis */ | |
312 | case 0x1C: /* Blade */ | |
313 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 314 | return "server"; |
7640a5de | 315 | |
219bfe38 | 316 | case 0x1E: /* Tablet */ |
7871c8e9 | 317 | return "tablet"; |
b70af833 DH |
318 | |
319 | case 0x1F: /* Convertible */ | |
b4227dbb | 320 | case 0x20: /* Detachable */ |
b70af833 | 321 | return "convertible"; |
2ac4d1d4 LP |
322 | |
323 | default: | |
324 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
325 | } |
326 | ||
219bfe38 | 327 | try_acpi: |
68cdeab3 | 328 | type = mfree(type); |
219bfe38 | 329 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); |
2ac4d1d4 | 330 | if (r < 0) { |
105a4245 | 331 | log_debug_errno(r, "Failed read ACPI PM profile, ignoring: %m"); |
e6e6ca82 | 332 | goto try_devicetree; |
2ac4d1d4 | 333 | } |
7640a5de LP |
334 | |
335 | r = safe_atou(type, &t); | |
2ac4d1d4 | 336 | if (r < 0) { |
68cdeab3 | 337 | log_debug_errno(r, "Failed parse ACPI PM profile \"%s\", ignoring: %m", type); |
e6e6ca82 | 338 | goto try_devicetree; |
2ac4d1d4 | 339 | } |
7640a5de | 340 | |
219bfe38 LP |
341 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
342 | * | |
343 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
344 | * | |
345 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 346 | */ |
7640a5de | 347 | |
219bfe38 | 348 | switch(t) { |
7640a5de | 349 | |
219bfe38 LP |
350 | case 1: /* Desktop */ |
351 | case 3: /* Workstation */ | |
352 | case 6: /* Appliance PC */ | |
7871c8e9 | 353 | return "desktop"; |
7640a5de | 354 | |
219bfe38 | 355 | case 2: /* Mobile */ |
7871c8e9 LP |
356 | return "laptop"; |
357 | ||
219bfe38 LP |
358 | case 4: /* Enterprise Server */ |
359 | case 5: /* SOHO Server */ | |
360 | case 7: /* Performance Server */ | |
7871c8e9 | 361 | return "server"; |
f3f4f008 | 362 | |
219bfe38 | 363 | case 8: /* Tablet */ |
f3f4f008 | 364 | return "tablet"; |
2ac4d1d4 LP |
365 | |
366 | default: | |
367 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
368 | } |
369 | ||
e6e6ca82 | 370 | try_devicetree: |
68cdeab3 | 371 | type = mfree(type); |
e6cbe697 | 372 | r = read_one_line_file("/proc/device-tree/chassis-type", &type); |
e6e6ca82 AF |
373 | if (r < 0) { |
374 | log_debug_errno(r, "Failed to read device-tree chassis type, ignoring: %m"); | |
375 | return NULL; | |
376 | } | |
377 | ||
378 | /* Note that the Devicetree specification uses the very same vocabulary | |
379 | * of chassis types as we do, hence we do not need to translate these types: | |
380 | * | |
381 | * https://github.com/devicetree-org/devicetree-specification/blob/master/source/chapter3-devicenodes.rst */ | |
382 | chassis = valid_chassis(type); | |
383 | if (!chassis) | |
68cdeab3 | 384 | log_debug("Invalid device-tree chassis type \"%s\", ignoring.", type); |
e6e6ca82 | 385 | return chassis; |
7640a5de LP |
386 | } |
387 | ||
8c8b1800 YW |
388 | static char* context_get_chassis(Context *c) { |
389 | const char *fallback; | |
390 | char *dmi; | |
7871c8e9 | 391 | |
66a4c743 LP |
392 | assert(c); |
393 | ||
394 | if (!isempty(c->data[PROP_CHASSIS])) | |
8c8b1800 YW |
395 | return strdup(c->data[PROP_CHASSIS]); |
396 | ||
397 | if (get_dmi_data("ID_CHASSIS", NULL, &dmi) >= 0) | |
398 | return dmi; | |
399 | ||
400 | fallback = fallback_chassis(); | |
401 | if (fallback) | |
402 | return strdup(fallback); | |
403 | ||
404 | return NULL; | |
405 | } | |
406 | ||
407 | static char* context_fallback_icon_name(Context *c) { | |
408 | _cleanup_free_ char *chassis = NULL; | |
409 | ||
410 | assert(c); | |
7871c8e9 | 411 | |
8c8b1800 | 412 | chassis = context_get_chassis(c); |
7871c8e9 | 413 | if (chassis) |
b910cc72 | 414 | return strjoin("computer-", chassis); |
7871c8e9 LP |
415 | |
416 | return strdup("computer"); | |
417 | } | |
418 | ||
aa994368 LP |
419 | static int context_update_kernel_hostname( |
420 | Context *c, | |
421 | const char *transient_hn) { | |
422 | ||
05c6f341 | 423 | _cleanup_free_ char *_hn_free = NULL; |
d39079fc | 424 | const char *hn; |
60e4fb42 | 425 | HostnameSource hns; |
7d9ec609 | 426 | int r; |
7640a5de | 427 | |
66a4c743 LP |
428 | assert(c); |
429 | ||
d39079fc | 430 | /* /etc/hostname has the highest preference ... */ |
60e4fb42 | 431 | if (c->data[PROP_STATIC_HOSTNAME]) { |
d39079fc | 432 | hn = c->data[PROP_STATIC_HOSTNAME]; |
60e4fb42 | 433 | hns = HOSTNAME_STATIC; |
c779a442 | 434 | |
38b38500 | 435 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
60e4fb42 | 436 | } else if (transient_hn) { |
aa994368 | 437 | hn = transient_hn; |
60e4fb42 | 438 | hns = HOSTNAME_TRANSIENT; |
7640a5de | 439 | |
c779a442 | 440 | /* ... and the ultimate fallback */ |
60e4fb42 | 441 | } else { |
05c6f341 ZJS |
442 | hn = _hn_free = get_default_hostname(); |
443 | if (!hn) | |
444 | return log_oom(); | |
445 | ||
8770c813 | 446 | hns = HOSTNAME_DEFAULT; |
60e4fb42 | 447 | } |
c779a442 | 448 | |
7d9ec609 ZJS |
449 | r = sethostname_idempotent(hn); |
450 | if (r < 0) | |
60e4fb42 ZJS |
451 | return log_error_errno(r, "Failed to set hostname: %m"); |
452 | ||
453 | if (c->hostname_source != hns) { | |
454 | c->hostname_source = hns; | |
455 | r = 1; | |
456 | } | |
7640a5de | 457 | |
7782e0a0 | 458 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
60e4fb42 ZJS |
459 | |
460 | if (r == 0) | |
461 | log_debug("Hostname was already set to <%s>.", hn); | |
462 | else { | |
463 | log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns)); | |
464 | ||
465 | hostname_update_source_hint(hn, hns); | |
466 | } | |
467 | ||
efda832d | 468 | return r; /* 0 if no change, 1 if something was done */ |
7640a5de LP |
469 | } |
470 | ||
ba12e41d YW |
471 | static void unset_statp(struct stat **p) { |
472 | if (!*p) | |
473 | return; | |
474 | ||
475 | **p = (struct stat) {}; | |
476 | } | |
477 | ||
66a4c743 | 478 | static int context_write_data_static_hostname(Context *c) { |
ba12e41d YW |
479 | _cleanup_(unset_statp) struct stat *s = NULL; |
480 | int r; | |
481 | ||
66a4c743 LP |
482 | assert(c); |
483 | ||
ba12e41d YW |
484 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
485 | * already, even if we can't make it hit the disk. */ | |
486 | s = &c->etc_hostname_stat; | |
487 | ||
66a4c743 | 488 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { |
ba12e41d YW |
489 | if (unlink("/etc/hostname") < 0 && errno != ENOENT) |
490 | return -errno; | |
491 | ||
492 | TAKE_PTR(s); | |
7640a5de LP |
493 | return 0; |
494 | } | |
536970d4 | 495 | |
ba12e41d YW |
496 | r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
497 | if (r < 0) | |
498 | return r; | |
499 | ||
500 | TAKE_PTR(s); | |
501 | return 0; | |
7640a5de LP |
502 | } |
503 | ||
f200e8bb | 504 | static int context_write_data_machine_info(Context *c) { |
ba12e41d | 505 | _cleanup_(unset_statp) struct stat *s = NULL; |
7640a5de LP |
506 | static const char * const name[_PROP_MAX] = { |
507 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 508 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
509 | [PROP_CHASSIS] = "CHASSIS", |
510 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 511 | [PROP_LOCATION] = "LOCATION", |
7640a5de | 512 | }; |
0ccad099 | 513 | _cleanup_strv_free_ char **l = NULL; |
536970d4 | 514 | int r; |
7640a5de | 515 | |
66a4c743 LP |
516 | assert(c); |
517 | ||
ba12e41d YW |
518 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
519 | * already, even if we can't make it hit the disk. */ | |
520 | s = &c->etc_machine_info_stat; | |
521 | ||
aa8fbc74 | 522 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
523 | if (r < 0 && r != -ENOENT) |
524 | return r; | |
525 | ||
536970d4 | 526 | for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
7640a5de LP |
527 | assert(name[p]); |
528 | ||
f08231fe ZJS |
529 | r = strv_env_assign(&l, name[p], empty_to_null(c->data[p])); |
530 | if (r < 0) | |
531 | return r; | |
7640a5de LP |
532 | } |
533 | ||
534 | if (strv_isempty(l)) { | |
ba12e41d YW |
535 | if (unlink("/etc/machine-info") < 0 && errno != ENOENT) |
536 | return -errno; | |
7640a5de | 537 | |
ba12e41d | 538 | TAKE_PTR(s); |
7640a5de LP |
539 | return 0; |
540 | } | |
541 | ||
ba12e41d YW |
542 | r = write_env_file_label("/etc/machine-info", l); |
543 | if (r < 0) | |
544 | return r; | |
545 | ||
546 | TAKE_PTR(s); | |
547 | return 0; | |
7640a5de LP |
548 | } |
549 | ||
4fc7e4f3 YW |
550 | static int property_get_hardware_property( |
551 | sd_bus_message *reply, | |
552 | Context *c, | |
553 | HostProperty prop, | |
554 | int (*getter)(char **)) { | |
555 | ||
556 | _cleanup_free_ char *from_dmi = NULL; | |
557 | ||
558 | assert(reply); | |
559 | assert(c); | |
560 | assert(IN_SET(prop, PROP_VENDOR, PROP_MODEL)); | |
561 | assert(getter); | |
562 | ||
563 | context_read_machine_info(c); | |
564 | ||
565 | if (isempty(c->data[prop])) | |
566 | (void) getter(&from_dmi); | |
567 | ||
568 | return sd_bus_message_append(reply, "s", from_dmi ?: c->data[prop]); | |
569 | } | |
570 | ||
b9d80698 FB |
571 | static int property_get_hardware_vendor( |
572 | sd_bus *bus, | |
573 | const char *path, | |
574 | const char *interface, | |
575 | const char *property, | |
576 | sd_bus_message *reply, | |
577 | void *userdata, | |
578 | sd_bus_error *error) { | |
b9d80698 | 579 | |
4fc7e4f3 | 580 | return property_get_hardware_property(reply, userdata, PROP_VENDOR, get_hardware_vendor); |
b9d80698 FB |
581 | } |
582 | ||
583 | static int property_get_hardware_model( | |
584 | sd_bus *bus, | |
585 | const char *path, | |
586 | const char *interface, | |
587 | const char *property, | |
588 | sd_bus_message *reply, | |
589 | void *userdata, | |
590 | sd_bus_error *error) { | |
b9d80698 | 591 | |
4fc7e4f3 | 592 | return property_get_hardware_property(reply, userdata, PROP_MODEL, get_hardware_model); |
b9d80698 FB |
593 | } |
594 | ||
aa994368 LP |
595 | static int property_get_hostname( |
596 | sd_bus *bus, | |
597 | const char *path, | |
598 | const char *interface, | |
599 | const char *property, | |
600 | sd_bus_message *reply, | |
601 | void *userdata, | |
602 | sd_bus_error *error) { | |
603 | ||
05c6f341 | 604 | _cleanup_free_ char *hn = NULL; |
aa994368 LP |
605 | int r; |
606 | ||
05c6f341 ZJS |
607 | r = gethostname_strict(&hn); |
608 | if (r < 0) { | |
609 | if (r != -ENXIO) | |
610 | return r; | |
aa994368 | 611 | |
05c6f341 ZJS |
612 | hn = get_default_hostname(); |
613 | if (!hn) | |
614 | return -ENOMEM; | |
615 | } | |
616 | ||
617 | return sd_bus_message_append(reply, "s", hn); | |
aa994368 LP |
618 | } |
619 | ||
d7f4ad20 LP |
620 | static int property_get_static_hostname( |
621 | sd_bus *bus, | |
622 | const char *path, | |
623 | const char *interface, | |
624 | const char *property, | |
625 | sd_bus_message *reply, | |
626 | void *userdata, | |
627 | sd_bus_error *error) { | |
628 | ||
629 | Context *c = userdata; | |
630 | assert(c); | |
631 | ||
632 | context_read_etc_hostname(c); | |
633 | ||
634 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
635 | } | |
636 | ||
8770c813 | 637 | static int property_get_default_hostname( |
05c6f341 ZJS |
638 | sd_bus *bus, |
639 | const char *path, | |
640 | const char *interface, | |
641 | const char *property, | |
642 | sd_bus_message *reply, | |
643 | void *userdata, | |
644 | sd_bus_error *error) { | |
645 | ||
61d44b6b LP |
646 | _cleanup_free_ char *hn = NULL; |
647 | ||
648 | hn = get_default_hostname(); | |
05c6f341 ZJS |
649 | if (!hn) |
650 | return log_oom(); | |
651 | ||
652 | return sd_bus_message_append(reply, "s", hn); | |
653 | } | |
ce6b138c | 654 | |
f2a434a5 | 655 | static void context_determine_hostname_source(Context *c) { |
0995accd | 656 | _cleanup_free_ char *hostname = NULL; |
f2a434a5 LP |
657 | int r; |
658 | ||
659 | assert(c); | |
660 | ||
661 | if (c->hostname_source >= 0) | |
662 | return; | |
663 | ||
0995accd | 664 | (void) gethostname_full(GET_HOSTNAME_ALLOW_LOCALHOST, &hostname); |
f2a434a5 LP |
665 | |
666 | if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME])) | |
667 | c->hostname_source = HOSTNAME_STATIC; | |
668 | else { | |
0995accd YW |
669 | _cleanup_free_ char *fallback = NULL; |
670 | ||
f2a434a5 LP |
671 | /* If the hostname was not set by us, try to figure out where it came from. If we set it to |
672 | * the default hostname, the file will tell us. We compare the string because it is possible | |
673 | * that the hostname was set by an older version that had a different fallback, in the | |
674 | * initramfs or before we reexecuted. */ | |
675 | ||
676 | r = read_one_line_file("/run/systemd/default-hostname", &fallback); | |
677 | if (r < 0 && r != -ENOENT) | |
678 | log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m"); | |
679 | ||
680 | if (streq_ptr(fallback, hostname)) | |
681 | c->hostname_source = HOSTNAME_DEFAULT; | |
682 | else | |
683 | c->hostname_source = HOSTNAME_TRANSIENT; | |
684 | } | |
685 | } | |
686 | ||
60e4fb42 ZJS |
687 | static int property_get_hostname_source( |
688 | sd_bus *bus, | |
689 | const char *path, | |
690 | const char *interface, | |
691 | const char *property, | |
692 | sd_bus_message *reply, | |
693 | void *userdata, | |
694 | sd_bus_error *error) { | |
695 | ||
696 | Context *c = userdata; | |
60e4fb42 ZJS |
697 | assert(c); |
698 | ||
699 | context_read_etc_hostname(c); | |
f2a434a5 | 700 | context_determine_hostname_source(c); |
60e4fb42 ZJS |
701 | |
702 | return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source)); | |
703 | } | |
704 | ||
d7f4ad20 LP |
705 | static int property_get_machine_info_field( |
706 | sd_bus *bus, | |
707 | const char *path, | |
708 | const char *interface, | |
709 | const char *property, | |
710 | sd_bus_message *reply, | |
711 | void *userdata, | |
712 | sd_bus_error *error) { | |
713 | ||
714 | sd_bus_slot *slot; | |
715 | Context *c; | |
716 | ||
717 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
718 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
719 | * pointer to the property field inside the context object that we are supposed to update and | |
720 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
721 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
722 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
723 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
724 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
725 | * directly off it. */ | |
726 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
727 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
728 | ||
729 | context_read_machine_info(c); | |
730 | ||
731 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
732 | } | |
733 | ||
734 | static int property_get_os_release_field( | |
735 | sd_bus *bus, | |
736 | const char *path, | |
737 | const char *interface, | |
738 | const char *property, | |
739 | sd_bus_message *reply, | |
740 | void *userdata, | |
741 | sd_bus_error *error) { | |
742 | ||
743 | sd_bus_slot *slot; | |
744 | Context *c; | |
745 | ||
746 | /* As above, acquire the current context without this property's userdata offset added. */ | |
747 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
748 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
749 | ||
750 | context_read_os_release(c); | |
751 | ||
752 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
753 | } | |
754 | ||
66a4c743 LP |
755 | static int property_get_icon_name( |
756 | sd_bus *bus, | |
757 | const char *path, | |
758 | const char *interface, | |
759 | const char *property, | |
760 | sd_bus_message *reply, | |
ebcf1f97 LP |
761 | void *userdata, |
762 | sd_bus_error *error) { | |
7640a5de | 763 | |
66a4c743 LP |
764 | _cleanup_free_ char *n = NULL; |
765 | Context *c = userdata; | |
766 | const char *name; | |
7640a5de | 767 | |
d7f4ad20 LP |
768 | context_read_machine_info(c); |
769 | ||
66a4c743 LP |
770 | if (isempty(c->data[PROP_ICON_NAME])) |
771 | name = n = context_fallback_icon_name(c); | |
7640a5de | 772 | else |
66a4c743 LP |
773 | name = c->data[PROP_ICON_NAME]; |
774 | ||
775 | if (!name) | |
776 | return -ENOMEM; | |
7640a5de | 777 | |
ebcf1f97 | 778 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
779 | } |
780 | ||
66a4c743 LP |
781 | static int property_get_chassis( |
782 | sd_bus *bus, | |
783 | const char *path, | |
784 | const char *interface, | |
785 | const char *property, | |
786 | sd_bus_message *reply, | |
ebcf1f97 LP |
787 | void *userdata, |
788 | sd_bus_error *error) { | |
7871c8e9 | 789 | |
8c8b1800 | 790 | _cleanup_free_ char *chassis = NULL; |
66a4c743 | 791 | Context *c = userdata; |
7871c8e9 | 792 | |
d7f4ad20 LP |
793 | context_read_machine_info(c); |
794 | ||
8c8b1800 | 795 | chassis = context_get_chassis(c); |
7871c8e9 | 796 | |
8c8b1800 | 797 | return sd_bus_message_append(reply, "s", chassis); |
7871c8e9 LP |
798 | } |
799 | ||
72f48cd3 LP |
800 | static int property_get_uname_field( |
801 | sd_bus *bus, | |
802 | const char *path, | |
803 | const char *interface, | |
804 | const char *property, | |
805 | sd_bus_message *reply, | |
806 | void *userdata, | |
807 | sd_bus_error *error) { | |
808 | ||
809 | struct utsname u; | |
810 | ||
811 | assert_se(uname(&u) >= 0); | |
812 | ||
813 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
814 | } | |
815 | ||
19070062 | 816 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
817 | Context *c = userdata; |
818 | const char *name; | |
aa994368 | 819 | int interactive, r; |
d200735e | 820 | |
19070062 LP |
821 | assert(m); |
822 | assert(c); | |
823 | ||
66a4c743 LP |
824 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
825 | if (r < 0) | |
ebcf1f97 | 826 | return r; |
d200735e | 827 | |
60e4fb42 | 828 | name = empty_to_null(name); |
7640a5de | 829 | |
60e4fb42 ZJS |
830 | /* We always go through with the procedure below without comparing to the current hostname, because |
831 | * we might want to adjust hostname source information even if the actual hostname is unchanged. */ | |
7640a5de | 832 | |
f190ac48 | 833 | if (name && !hostname_is_valid(name, 0)) |
ebcf1f97 | 834 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 835 | |
60e4fb42 | 836 | context_read_etc_hostname(c); |
7640a5de | 837 | |
c529695e LP |
838 | r = bus_verify_polkit_async( |
839 | m, | |
840 | CAP_SYS_ADMIN, | |
841 | "org.freedesktop.hostname1.set-hostname", | |
403ed0e5 | 842 | NULL, |
c529695e LP |
843 | interactive, |
844 | UID_INVALID, | |
845 | &c->polkit_registry, | |
846 | error); | |
66a4c743 | 847 | if (r < 0) |
ebcf1f97 | 848 | return r; |
66a4c743 LP |
849 | if (r == 0) |
850 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 851 | |
aa994368 | 852 | r = context_update_kernel_hostname(c, name); |
60e4fb42 | 853 | if (r < 0) |
1b4cd646 | 854 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
60e4fb42 | 855 | else if (r > 0) |
efda832d ZJS |
856 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
857 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
858 | "Hostname", "HostnameSource", NULL); | |
7640a5de | 859 | |
df2d202e | 860 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 861 | } |
7640a5de | 862 | |
19070062 | 863 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
864 | Context *c = userdata; |
865 | const char *name; | |
102d8f81 | 866 | int interactive; |
66a4c743 | 867 | int r; |
7640a5de | 868 | |
19070062 LP |
869 | assert(m); |
870 | assert(c); | |
871 | ||
66a4c743 LP |
872 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
873 | if (r < 0) | |
ebcf1f97 | 874 | return r; |
7640a5de | 875 | |
3c6f7c34 | 876 | name = empty_to_null(name); |
7640a5de | 877 | |
d7f4ad20 LP |
878 | context_read_etc_hostname(c); |
879 | ||
66a4c743 | 880 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 881 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 882 | |
60e4fb42 | 883 | if (name && !hostname_is_valid(name, 0)) |
c650f207 YW |
884 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
885 | ||
c529695e LP |
886 | r = bus_verify_polkit_async( |
887 | m, | |
888 | CAP_SYS_ADMIN, | |
889 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 890 | NULL, |
c529695e LP |
891 | interactive, |
892 | UID_INVALID, | |
893 | &c->polkit_registry, | |
894 | error); | |
66a4c743 | 895 | if (r < 0) |
ebcf1f97 | 896 | return r; |
66a4c743 LP |
897 | if (r == 0) |
898 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 899 | |
e8acf091 | 900 | r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name); |
c650f207 YW |
901 | if (r < 0) |
902 | return r; | |
7640a5de | 903 | |
66a4c743 LP |
904 | r = context_write_data_static_hostname(c); |
905 | if (r < 0) { | |
38b38500 | 906 | log_error_errno(r, "Failed to write static hostname: %m"); |
957991b7 YW |
907 | if (ERRNO_IS_PRIVILEGE(r)) |
908 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); | |
909 | if (r == -EROFS) | |
910 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); | |
1b4cd646 | 911 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 912 | } |
7640a5de | 913 | |
60e4fb42 ZJS |
914 | r = context_update_kernel_hostname(c, NULL); |
915 | if (r < 0) { | |
916 | log_error_errno(r, "Failed to set hostname: %m"); | |
917 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
918 | } | |
7640a5de | 919 | |
efda832d | 920 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
60e4fb42 ZJS |
921 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", |
922 | "StaticHostname", "Hostname", "HostnameSource", NULL); | |
7640a5de | 923 | |
df2d202e | 924 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 925 | } |
7640a5de | 926 | |
19070062 | 927 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 928 | int interactive; |
66a4c743 LP |
929 | const char *name; |
930 | int r; | |
931 | ||
932 | assert(c); | |
66a4c743 LP |
933 | assert(m); |
934 | ||
935 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
936 | if (r < 0) | |
ebcf1f97 | 937 | return r; |
66a4c743 | 938 | |
3c6f7c34 | 939 | name = empty_to_null(name); |
66a4c743 | 940 | |
d7f4ad20 LP |
941 | context_read_machine_info(c); |
942 | ||
66a4c743 | 943 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 944 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 945 | |
c650f207 YW |
946 | if (!isempty(name)) { |
947 | /* The icon name might ultimately be used as file | |
948 | * name, so better be safe than sorry */ | |
949 | ||
950 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
951 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
952 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 953 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
954 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
955 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
956 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
957 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
958 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
959 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
960 | } | |
961 | ||
66a4c743 LP |
962 | /* Since the pretty hostname should always be changed at the |
963 | * same time as the static one, use the same policy action for | |
964 | * both... */ | |
965 | ||
c529695e LP |
966 | r = bus_verify_polkit_async( |
967 | m, | |
968 | CAP_SYS_ADMIN, | |
969 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 970 | NULL, |
c529695e LP |
971 | interactive, |
972 | UID_INVALID, | |
973 | &c->polkit_registry, | |
974 | error); | |
66a4c743 | 975 | if (r < 0) |
ebcf1f97 | 976 | return r; |
66a4c743 LP |
977 | if (r == 0) |
978 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
979 | ||
e8acf091 | 980 | r = free_and_strdup_warn(&c->data[prop], name); |
c650f207 YW |
981 | if (r < 0) |
982 | return r; | |
7640a5de | 983 | |
f200e8bb | 984 | r = context_write_data_machine_info(c); |
66a4c743 | 985 | if (r < 0) { |
da927ba9 | 986 | log_error_errno(r, "Failed to write machine info: %m"); |
957991b7 YW |
987 | if (ERRNO_IS_PRIVILEGE(r)) |
988 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); | |
989 | if (r == -EROFS) | |
990 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); | |
1b4cd646 | 991 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 992 | } |
7640a5de | 993 | |
66a4c743 | 994 | log_info("Changed %s to '%s'", |
38b38500 | 995 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 996 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 997 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 998 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 999 | |
19070062 LP |
1000 | (void) sd_bus_emit_properties_changed( |
1001 | sd_bus_message_get_bus(m), | |
1002 | "/org/freedesktop/hostname1", | |
1003 | "org.freedesktop.hostname1", | |
1004 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
1005 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
1006 | prop == PROP_LOCATION ? "Location" : | |
1007 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 1008 | |
df2d202e | 1009 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 1010 | } |
7640a5de | 1011 | |
19070062 LP |
1012 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1013 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
1014 | } |
1015 | ||
19070062 LP |
1016 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1017 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
1018 | } |
1019 | ||
19070062 LP |
1020 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1021 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
1022 | } |
1023 | ||
19070062 LP |
1024 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1025 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
1026 | } |
1027 | ||
19070062 LP |
1028 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1029 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
1030 | } |
1031 | ||
21e627da YW |
1032 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1033 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1034 | Context *c = userdata; | |
1035 | int interactive, r; | |
5704cd73 | 1036 | sd_id128_t uuid; |
21e627da YW |
1037 | |
1038 | assert(m); | |
1039 | assert(c); | |
1040 | ||
21e627da YW |
1041 | r = sd_bus_message_read(m, "b", &interactive); |
1042 | if (r < 0) | |
1043 | return r; | |
1044 | ||
1045 | r = bus_verify_polkit_async( | |
1046 | m, | |
1047 | CAP_SYS_ADMIN, | |
1048 | "org.freedesktop.hostname1.get-product-uuid", | |
1049 | NULL, | |
1050 | interactive, | |
1051 | UID_INVALID, | |
1052 | &c->polkit_registry, | |
1053 | error); | |
1054 | if (r < 0) | |
1055 | return r; | |
1056 | if (r == 0) | |
1057 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1058 | ||
66ee2298 LP |
1059 | r = id128_get_product(&uuid); |
1060 | if (r < 0) { | |
1061 | if (r == -EADDRNOTAVAIL) | |
1062 | log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring."); | |
1063 | else | |
1064 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
1065 | "Failed to read product UUID, ignoring: %m"); | |
1066 | ||
1067 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
1068 | "Failed to read product UUID from firmware."); | |
1069 | } | |
1070 | ||
21e627da YW |
1071 | r = sd_bus_message_new_method_return(m, &reply); |
1072 | if (r < 0) | |
1073 | return r; | |
1074 | ||
c52e295d | 1075 | r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes)); |
21e627da YW |
1076 | if (r < 0) |
1077 | return r; | |
1078 | ||
1079 | return sd_bus_send(NULL, reply, NULL); | |
1080 | } | |
1081 | ||
96976629 YW |
1082 | static int method_get_hardware_serial(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1083 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1084 | _cleanup_free_ char *serial = NULL; | |
1085 | Context *c = userdata; | |
ff28d259 | 1086 | int r; |
96976629 YW |
1087 | |
1088 | assert(m); | |
1089 | assert(c); | |
1090 | ||
96976629 YW |
1091 | r = bus_verify_polkit_async( |
1092 | m, | |
1093 | CAP_SYS_ADMIN, | |
1094 | "org.freedesktop.hostname1.get-hardware-serial", | |
1095 | NULL, | |
ff28d259 | 1096 | false, |
96976629 YW |
1097 | UID_INVALID, |
1098 | &c->polkit_registry, | |
1099 | error); | |
1100 | if (r < 0) | |
1101 | return r; | |
1102 | if (r == 0) | |
1103 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1104 | ||
1105 | r = get_hardware_serial(&serial); | |
1106 | if (r < 0) | |
1107 | return r; | |
1108 | ||
1109 | r = sd_bus_message_new_method_return(m, &reply); | |
1110 | if (r < 0) | |
1111 | return r; | |
1112 | ||
1113 | r = sd_bus_message_append(reply, "s", serial); | |
1114 | if (r < 0) | |
1115 | return r; | |
1116 | ||
1117 | return sd_bus_send(NULL, reply, NULL); | |
1118 | } | |
1119 | ||
7ecead8f | 1120 | static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
96976629 YW |
1121 | _cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL, |
1122 | *chassis = NULL, *vendor = NULL, *model = NULL, *serial = NULL; | |
7ecead8f LP |
1123 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1124 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; | |
1125 | sd_id128_t product_uuid = SD_ID128_NULL; | |
7ecead8f LP |
1126 | Context *c = userdata; |
1127 | bool privileged; | |
1128 | struct utsname u; | |
1129 | int r; | |
1130 | ||
1131 | assert(m); | |
1132 | assert(c); | |
1133 | ||
1134 | r = bus_verify_polkit_async( | |
1135 | m, | |
1136 | CAP_SYS_ADMIN, | |
96976629 | 1137 | "org.freedesktop.hostname1.get-description", |
7ecead8f LP |
1138 | NULL, |
1139 | false, | |
1140 | UID_INVALID, | |
1141 | &c->polkit_registry, | |
1142 | NULL); | |
1143 | if (r == 0) | |
1144 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1145 | ||
1146 | /* We ignore all authentication errors here, since most data is unprivileged, the one exception being | |
1147 | * the product ID which we'll check explicitly. */ | |
1148 | privileged = r > 0; | |
1149 | ||
1150 | context_read_etc_hostname(c); | |
1151 | context_read_machine_info(c); | |
1152 | context_read_os_release(c); | |
1153 | context_determine_hostname_source(c); | |
1154 | ||
1155 | r = gethostname_strict(&hn); | |
1156 | if (r < 0) { | |
1157 | if (r != -ENXIO) | |
1158 | return log_error_errno(r, "Failed to read local host name: %m"); | |
1159 | ||
1160 | hn = get_default_hostname(); | |
1161 | if (!hn) | |
1162 | return log_oom(); | |
1163 | } | |
1164 | ||
1165 | dhn = get_default_hostname(); | |
1166 | if (!dhn) | |
1167 | return log_oom(); | |
1168 | ||
1169 | if (isempty(c->data[PROP_ICON_NAME])) | |
1170 | in = context_fallback_icon_name(c); | |
1171 | ||
8c8b1800 | 1172 | chassis = context_get_chassis(c); |
7ecead8f LP |
1173 | |
1174 | assert_se(uname(&u) >= 0); | |
1175 | ||
4fc7e4f3 YW |
1176 | if (isempty(c->data[PROP_VENDOR])) |
1177 | (void) get_hardware_vendor(&vendor); | |
1178 | if (isempty(c->data[PROP_MODEL])) | |
1179 | (void) get_hardware_model(&model); | |
7ecead8f | 1180 | |
96976629 YW |
1181 | if (privileged) { |
1182 | /* The product UUID and hardware serial is only available to privileged clients */ | |
1183 | (void) id128_get_product(&product_uuid); | |
1184 | (void) get_hardware_serial(&serial); | |
1185 | } | |
7ecead8f LP |
1186 | |
1187 | r = json_build(&v, JSON_BUILD_OBJECT( | |
1188 | JSON_BUILD_PAIR("Hostname", JSON_BUILD_STRING(hn)), | |
1189 | JSON_BUILD_PAIR("StaticHostname", JSON_BUILD_STRING(c->data[PROP_STATIC_HOSTNAME])), | |
1190 | JSON_BUILD_PAIR("PrettyHostname", JSON_BUILD_STRING(c->data[PROP_PRETTY_HOSTNAME])), | |
1191 | JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)), | |
1192 | JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))), | |
1193 | JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])), | |
8c8b1800 | 1194 | JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)), |
7ecead8f LP |
1195 | JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])), |
1196 | JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])), | |
1197 | JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)), | |
1198 | JSON_BUILD_PAIR("KernelRelease", JSON_BUILD_STRING(u.release)), | |
1199 | JSON_BUILD_PAIR("KernelVersion", JSON_BUILD_STRING(u.version)), | |
1200 | JSON_BUILD_PAIR("OperatingSystemPrettyName", JSON_BUILD_STRING(c->data[PROP_OS_PRETTY_NAME])), | |
1201 | JSON_BUILD_PAIR("OperatingSystemCPEName", JSON_BUILD_STRING(c->data[PROP_OS_CPE_NAME])), | |
1202 | JSON_BUILD_PAIR("OperatingSystemHomeURL", JSON_BUILD_STRING(c->data[PROP_OS_HOME_URL])), | |
4fc7e4f3 YW |
1203 | JSON_BUILD_PAIR("HardwareVendor", JSON_BUILD_STRING(vendor ?: c->data[PROP_VENDOR])), |
1204 | JSON_BUILD_PAIR("HardwareModel", JSON_BUILD_STRING(model ?: c->data[PROP_MODEL])), | |
96976629 | 1205 | JSON_BUILD_PAIR("HardwareSerial", JSON_BUILD_STRING(serial)), |
7ecead8f LP |
1206 | JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_ID128(product_uuid)), |
1207 | JSON_BUILD_PAIR_CONDITION(sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_NULL))); | |
1208 | ||
1209 | if (r < 0) | |
1210 | return log_error_errno(r, "Failed to build JSON data: %m"); | |
1211 | ||
1212 | r = json_variant_format(v, 0, &text); | |
1213 | if (r < 0) | |
1214 | return log_error_errno(r, "Failed to format JSON data: %m"); | |
1215 | ||
1216 | r = sd_bus_message_new_method_return(m, &reply); | |
1217 | if (r < 0) | |
1218 | return r; | |
1219 | ||
1220 | r = sd_bus_message_append(reply, "s", text); | |
1221 | if (r < 0) | |
1222 | return r; | |
1223 | ||
1224 | return sd_bus_send(NULL, reply, NULL); | |
1225 | } | |
1226 | ||
66a4c743 LP |
1227 | static const sd_bus_vtable hostname_vtable[] = { |
1228 | SD_BUS_VTABLE_START(0), | |
aa994368 | 1229 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
1230 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1231 | SD_BUS_PROPERTY("PrettyHostname", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_PRETTY_HOSTNAME, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
8770c813 | 1232 | SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
60e4fb42 | 1233 | SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
66a4c743 LP |
1234 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1235 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
1236 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1237 | 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 |
1238 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
1239 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1240 | 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 |
1241 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
1242 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
1243 | SD_BUS_PROPERTY("HomeURL", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_HOME_URL, SD_BUS_VTABLE_PROPERTY_CONST), | |
b9d80698 FB |
1244 | SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
1245 | SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
106d79be ZJS |
1246 | |
1247 | SD_BUS_METHOD_WITH_NAMES("SetHostname", | |
1248 | "sb", | |
1249 | SD_BUS_PARAM(hostname) | |
1250 | SD_BUS_PARAM(interactive), | |
1251 | NULL,, | |
1252 | method_set_hostname, | |
1253 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1254 | SD_BUS_METHOD_WITH_NAMES("SetStaticHostname", | |
1255 | "sb", | |
1256 | SD_BUS_PARAM(hostname) | |
1257 | SD_BUS_PARAM(interactive), | |
1258 | NULL,, | |
1259 | method_set_static_hostname, | |
1260 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1261 | SD_BUS_METHOD_WITH_NAMES("SetPrettyHostname", | |
1262 | "sb", | |
1263 | SD_BUS_PARAM(hostname) | |
1264 | SD_BUS_PARAM(interactive), | |
1265 | NULL,, | |
1266 | method_set_pretty_hostname, | |
1267 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1268 | SD_BUS_METHOD_WITH_NAMES("SetIconName", | |
1269 | "sb", | |
1270 | SD_BUS_PARAM(icon) | |
1271 | SD_BUS_PARAM(interactive), | |
1272 | NULL,, | |
1273 | method_set_icon_name, | |
1274 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1275 | SD_BUS_METHOD_WITH_NAMES("SetChassis", | |
1276 | "sb", | |
1277 | SD_BUS_PARAM(chassis) | |
1278 | SD_BUS_PARAM(interactive), | |
1279 | NULL,, | |
1280 | method_set_chassis, | |
1281 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1282 | SD_BUS_METHOD_WITH_NAMES("SetDeployment", | |
1283 | "sb", | |
1284 | SD_BUS_PARAM(deployment) | |
1285 | SD_BUS_PARAM(interactive), | |
1286 | NULL,, | |
1287 | method_set_deployment, | |
1288 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1289 | SD_BUS_METHOD_WITH_NAMES("SetLocation", | |
1290 | "sb", | |
1291 | SD_BUS_PARAM(location) | |
1292 | SD_BUS_PARAM(interactive), | |
1293 | NULL,, | |
1294 | method_set_location, | |
1295 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1296 | SD_BUS_METHOD_WITH_NAMES("GetProductUUID", | |
1297 | "b", | |
1298 | SD_BUS_PARAM(interactive), | |
1299 | "ay", | |
1300 | SD_BUS_PARAM(uuid), | |
1301 | method_get_product_uuid, | |
1302 | SD_BUS_VTABLE_UNPRIVILEGED), | |
96976629 | 1303 | SD_BUS_METHOD_WITH_NAMES("GetHardwareSerial", |
ff28d259 | 1304 | NULL,, |
96976629 YW |
1305 | "s", |
1306 | SD_BUS_PARAM(serial), | |
1307 | method_get_hardware_serial, | |
1308 | SD_BUS_VTABLE_UNPRIVILEGED), | |
7ecead8f LP |
1309 | SD_BUS_METHOD_WITH_ARGS("Describe", |
1310 | SD_BUS_NO_ARGS, | |
1311 | SD_BUS_RESULT("s", json), | |
1312 | method_describe, | |
1313 | SD_BUS_VTABLE_UNPRIVILEGED), | |
106d79be | 1314 | |
66a4c743 LP |
1315 | SD_BUS_VTABLE_END, |
1316 | }; | |
1317 | ||
670139db ZJS |
1318 | static const BusObjectImplementation manager_object = { |
1319 | "/org/freedesktop/hostname1", | |
1320 | "org.freedesktop.hostname1", | |
1321 | .vtables = BUS_VTABLES(hostname_vtable), | |
1322 | }; | |
1323 | ||
2ac4d1d4 | 1324 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 1325 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
1326 | int r; |
1327 | ||
66a4c743 LP |
1328 | assert(c); |
1329 | assert(event); | |
2ac4d1d4 | 1330 | assert(ret); |
d0baa06f | 1331 | |
76b54375 | 1332 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
1333 | if (r < 0) |
1334 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 1335 | |
670139db | 1336 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 1337 | if (r < 0) |
670139db | 1338 | return r; |
d0baa06f | 1339 | |
ac9f55ed LP |
1340 | r = bus_log_control_api_register(bus); |
1341 | if (r < 0) | |
1342 | return r; | |
1343 | ||
0c0b9306 | 1344 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 1345 | if (r < 0) |
0c0b9306 | 1346 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1347 | |
66a4c743 | 1348 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
1349 | if (r < 0) |
1350 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 1351 | |
2ac4d1d4 | 1352 | *ret = TAKE_PTR(bus); |
66a4c743 | 1353 | return 0; |
d0baa06f LP |
1354 | } |
1355 | ||
85ae63ee | 1356 | static int run(int argc, char *argv[]) { |
60e4fb42 ZJS |
1357 | _cleanup_(context_destroy) Context context = { |
1358 | .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */ | |
1359 | }; | |
4afd3348 LP |
1360 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1361 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 1362 | int r; |
d0baa06f | 1363 | |
d2acb93d | 1364 | log_setup(); |
7640a5de | 1365 | |
fc021a5b ZJS |
1366 | r = service_parse_argv("systemd-hostnamed.service", |
1367 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
1368 | BUS_IMPLEMENTATIONS(&manager_object, |
1369 | &log_control_object), | |
fc021a5b ZJS |
1370 | argc, argv); |
1371 | if (r <= 0) | |
1372 | return r; | |
1373 | ||
4c12626c | 1374 | umask(0022); |
a9ba0e32 CG |
1375 | |
1376 | r = mac_selinux_init(); | |
1377 | if (r < 0) | |
1378 | return r; | |
4c12626c | 1379 | |
b22c8bfc YW |
1380 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1381 | ||
afc6adb5 | 1382 | r = sd_event_default(&event); |
85ae63ee YW |
1383 | if (r < 0) |
1384 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 1385 | |
b22c8bfc YW |
1386 | (void) sd_event_set_watchdog(event, true); |
1387 | ||
1388 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
1389 | if (r < 0) |
1390 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
1391 | |
1392 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
1393 | if (r < 0) |
1394 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1395 | |
66a4c743 | 1396 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1397 | if (r < 0) |
85ae63ee | 1398 | return r; |
7640a5de | 1399 | |
37224a5f | 1400 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1401 | if (r < 0) |
1402 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1403 | |
85ae63ee | 1404 | return 0; |
7640a5de | 1405 | } |
85ae63ee YW |
1406 | |
1407 | DEFINE_MAIN_FUNCTION(run); |