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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" |
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, |
0924ea2b LP |
56 | PROP_HARDWARE_VENDOR, |
57 | PROP_HARDWARE_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) | | |
38639aa2 LP |
131 | (UINT64_C(1) << PROP_LOCATION) | |
132 | (UINT64_C(1) << PROP_HARDWARE_VENDOR) | | |
133 | (UINT64_C(1) << PROP_HARDWARE_MODEL)); | |
7640a5de | 134 | |
aa8fbc74 | 135 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
136 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
137 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
138 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 139 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
4fc7e4f3 | 140 | "LOCATION", &c->data[PROP_LOCATION], |
0924ea2b LP |
141 | "HARDWARE_VENDOR", &c->data[PROP_HARDWARE_VENDOR], |
142 | "HARDWARE_MODEL", &c->data[PROP_HARDWARE_MODEL]); | |
7640a5de | 143 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
144 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
145 | ||
146 | c->etc_machine_info_stat = current_stat; | |
147 | } | |
148 | ||
149 | static void context_read_os_release(Context *c) { | |
150 | struct stat current_stat = {}; | |
151 | int r; | |
152 | ||
153 | assert(c); | |
154 | ||
155 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
156 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
157 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
158 | return; | |
159 | ||
160 | context_reset(c, | |
161 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
162 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
163 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 164 | |
d58ad743 LP |
165 | r = parse_os_release(NULL, |
166 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
167 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
209c1470 | 168 | "HOME_URL", &c->data[PROP_OS_HOME_URL]); |
44c32988 | 169 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 170 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 171 | |
d7f4ad20 | 172 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
173 | } |
174 | ||
8c8b1800 YW |
175 | static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) { |
176 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
177 | _cleanup_free_ char *b = NULL; | |
178 | const char *s = NULL; | |
179 | int r; | |
180 | ||
181 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
182 | if (r < 0) | |
183 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
184 | ||
185 | if (database_key) | |
186 | (void) sd_device_get_property_value(device, database_key, &s); | |
187 | if (!s && regular_key) | |
188 | (void) sd_device_get_property_value(device, regular_key, &s); | |
189 | ||
e6fccf02 LP |
190 | if (!ret) |
191 | return !!s; | |
192 | ||
8c8b1800 YW |
193 | if (s) { |
194 | b = strdup(s); | |
195 | if (!b) | |
196 | return -ENOMEM; | |
197 | } | |
198 | ||
e6fccf02 | 199 | *ret = TAKE_PTR(b); |
8c8b1800 YW |
200 | return !!s; |
201 | } | |
202 | ||
203 | static int get_hardware_vendor(char **ret) { | |
204 | return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret); | |
205 | } | |
206 | ||
207 | static int get_hardware_model(char **ret) { | |
208 | return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret); | |
209 | } | |
210 | ||
c52950c2 | 211 | static int get_hardware_firmware_data(const char *sysattr, char **ret) { |
96976629 YW |
212 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; |
213 | _cleanup_free_ char *b = NULL; | |
214 | const char *s = NULL; | |
215 | int r; | |
216 | ||
c52950c2 SS |
217 | assert(sysattr); |
218 | ||
96976629 YW |
219 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); |
220 | if (r < 0) | |
221 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
222 | ||
c52950c2 | 223 | (void) sd_device_get_sysattr_value(device, sysattr, &s); |
96976629 YW |
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 | ||
c52950c2 SS |
236 | static int get_hardware_serial(char **ret) { |
237 | int r; | |
238 | ||
239 | r = get_hardware_firmware_data("product_serial", ret); | |
240 | if (r <= 0) | |
241 | return get_hardware_firmware_data("board_serial", ret); | |
242 | ||
243 | return r; | |
244 | } | |
245 | ||
246 | static int get_firmware_version(char **ret) { | |
247 | return get_hardware_firmware_data("bios_version", ret); | |
248 | } | |
249 | ||
e6e6ca82 | 250 | static const char* valid_chassis(const char *chassis) { |
7871c8e9 LP |
251 | assert(chassis); |
252 | ||
e6e6ca82 | 253 | return nulstr_get( |
7871c8e9 LP |
254 | "vm\0" |
255 | "container\0" | |
256 | "desktop\0" | |
257 | "laptop\0" | |
34b52450 | 258 | "convertible\0" |
7871c8e9 LP |
259 | "server\0" |
260 | "tablet\0" | |
c49e59c1 | 261 | "handset\0" |
25fa306e LP |
262 | "watch\0" |
263 | "embedded\0", | |
7871c8e9 LP |
264 | chassis); |
265 | } | |
266 | ||
799298d6 JG |
267 | static bool valid_deployment(const char *deployment) { |
268 | assert(deployment); | |
269 | ||
c2142cf1 | 270 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
271 | } |
272 | ||
7871c8e9 | 273 | static const char* fallback_chassis(void) { |
e6e6ca82 | 274 | const char *chassis; |
68cdeab3 | 275 | _cleanup_free_ char *type = NULL; |
1b86c7c5 | 276 | Virtualization v; |
7640a5de | 277 | unsigned t; |
1b86c7c5 | 278 | int r; |
7871c8e9 | 279 | |
75f86906 | 280 | v = detect_virtualization(); |
2ac4d1d4 LP |
281 | if (v < 0) |
282 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
283 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 284 | return "vm"; |
2ac4d1d4 | 285 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
286 | return "container"; |
287 | ||
219bfe38 | 288 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 | 289 | if (r < 0) { |
105a4245 | 290 | log_debug_errno(r, "Failed to read DMI chassis type, ignoring: %m"); |
219bfe38 | 291 | goto try_acpi; |
2ac4d1d4 | 292 | } |
7871c8e9 LP |
293 | |
294 | r = safe_atou(type, &t); | |
2ac4d1d4 | 295 | if (r < 0) { |
68cdeab3 | 296 | log_debug_errno(r, "Failed to parse DMI chassis type \"%s\", ignoring: %m", type); |
219bfe38 | 297 | goto try_acpi; |
2ac4d1d4 | 298 | } |
7871c8e9 | 299 | |
219bfe38 | 300 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
68cdeab3 ZJS |
301 | * additional guesswork on top of that. |
302 | * | |
67840dbf | 303 | * See the SMBIOS Specification 3.5.0 section 7.4.1 for details about the values listed here: |
68cdeab3 | 304 | * |
67840dbf | 305 | * https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.5.0.pdf |
7871c8e9 LP |
306 | */ |
307 | ||
219bfe38 | 308 | switch (t) { |
7871c8e9 | 309 | |
67840dbf LP |
310 | case 0x03: /* Desktop */ |
311 | case 0x04: /* Low Profile Desktop */ | |
312 | case 0x06: /* Mini Tower */ | |
313 | case 0x07: /* Tower */ | |
314 | case 0x0D: /* All in one (i.e. PC built into monitor) */ | |
315 | case 0x23: /* Mini PC */ | |
316 | case 0x24: /* Stick PC */ | |
7871c8e9 LP |
317 | return "desktop"; |
318 | ||
219bfe38 LP |
319 | case 0x8: /* Portable */ |
320 | case 0x9: /* Laptop */ | |
321 | case 0xA: /* Notebook */ | |
322 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 323 | return "laptop"; |
7640a5de | 324 | |
219bfe38 LP |
325 | case 0xB: /* Hand Held */ |
326 | return "handset"; | |
327 | ||
328 | case 0x11: /* Main Server Chassis */ | |
329 | case 0x1C: /* Blade */ | |
330 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 331 | return "server"; |
7640a5de | 332 | |
219bfe38 | 333 | case 0x1E: /* Tablet */ |
7871c8e9 | 334 | return "tablet"; |
b70af833 DH |
335 | |
336 | case 0x1F: /* Convertible */ | |
b4227dbb | 337 | case 0x20: /* Detachable */ |
b70af833 | 338 | return "convertible"; |
2ac4d1d4 | 339 | |
67840dbf LP |
340 | case 0x21: /* IoT Gateway */ |
341 | case 0x22: /* Embedded PC */ | |
342 | return "embedded"; | |
343 | ||
2ac4d1d4 LP |
344 | default: |
345 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
346 | } |
347 | ||
219bfe38 | 348 | try_acpi: |
68cdeab3 | 349 | type = mfree(type); |
219bfe38 | 350 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); |
2ac4d1d4 | 351 | if (r < 0) { |
105a4245 | 352 | log_debug_errno(r, "Failed read ACPI PM profile, ignoring: %m"); |
e6e6ca82 | 353 | goto try_devicetree; |
2ac4d1d4 | 354 | } |
7640a5de LP |
355 | |
356 | r = safe_atou(type, &t); | |
2ac4d1d4 | 357 | if (r < 0) { |
68cdeab3 | 358 | log_debug_errno(r, "Failed parse ACPI PM profile \"%s\", ignoring: %m", type); |
e6e6ca82 | 359 | goto try_devicetree; |
2ac4d1d4 | 360 | } |
7640a5de | 361 | |
219bfe38 LP |
362 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
363 | * | |
364 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
365 | * | |
366 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 367 | */ |
7640a5de | 368 | |
79893116 | 369 | switch (t) { |
7640a5de | 370 | |
219bfe38 LP |
371 | case 1: /* Desktop */ |
372 | case 3: /* Workstation */ | |
373 | case 6: /* Appliance PC */ | |
7871c8e9 | 374 | return "desktop"; |
7640a5de | 375 | |
219bfe38 | 376 | case 2: /* Mobile */ |
7871c8e9 LP |
377 | return "laptop"; |
378 | ||
219bfe38 LP |
379 | case 4: /* Enterprise Server */ |
380 | case 5: /* SOHO Server */ | |
381 | case 7: /* Performance Server */ | |
7871c8e9 | 382 | return "server"; |
f3f4f008 | 383 | |
219bfe38 | 384 | case 8: /* Tablet */ |
f3f4f008 | 385 | return "tablet"; |
2ac4d1d4 LP |
386 | |
387 | default: | |
388 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
389 | } |
390 | ||
e6e6ca82 | 391 | try_devicetree: |
68cdeab3 | 392 | type = mfree(type); |
e6cbe697 | 393 | r = read_one_line_file("/proc/device-tree/chassis-type", &type); |
e6e6ca82 AF |
394 | if (r < 0) { |
395 | log_debug_errno(r, "Failed to read device-tree chassis type, ignoring: %m"); | |
396 | return NULL; | |
397 | } | |
398 | ||
399 | /* Note that the Devicetree specification uses the very same vocabulary | |
400 | * of chassis types as we do, hence we do not need to translate these types: | |
401 | * | |
402 | * https://github.com/devicetree-org/devicetree-specification/blob/master/source/chapter3-devicenodes.rst */ | |
403 | chassis = valid_chassis(type); | |
404 | if (!chassis) | |
68cdeab3 | 405 | log_debug("Invalid device-tree chassis type \"%s\", ignoring.", type); |
e6e6ca82 | 406 | return chassis; |
7640a5de LP |
407 | } |
408 | ||
8c8b1800 YW |
409 | static char* context_get_chassis(Context *c) { |
410 | const char *fallback; | |
411 | char *dmi; | |
7871c8e9 | 412 | |
66a4c743 LP |
413 | assert(c); |
414 | ||
415 | if (!isempty(c->data[PROP_CHASSIS])) | |
8c8b1800 YW |
416 | return strdup(c->data[PROP_CHASSIS]); |
417 | ||
471fdebf | 418 | if (get_dmi_data("ID_CHASSIS", NULL, &dmi) > 0) |
8c8b1800 YW |
419 | return dmi; |
420 | ||
421 | fallback = fallback_chassis(); | |
422 | if (fallback) | |
423 | return strdup(fallback); | |
424 | ||
425 | return NULL; | |
426 | } | |
427 | ||
428 | static char* context_fallback_icon_name(Context *c) { | |
429 | _cleanup_free_ char *chassis = NULL; | |
430 | ||
431 | assert(c); | |
7871c8e9 | 432 | |
8c8b1800 | 433 | chassis = context_get_chassis(c); |
7871c8e9 | 434 | if (chassis) |
b910cc72 | 435 | return strjoin("computer-", chassis); |
7871c8e9 LP |
436 | |
437 | return strdup("computer"); | |
438 | } | |
439 | ||
aa994368 LP |
440 | static int context_update_kernel_hostname( |
441 | Context *c, | |
442 | const char *transient_hn) { | |
443 | ||
05c6f341 | 444 | _cleanup_free_ char *_hn_free = NULL; |
d39079fc | 445 | const char *hn; |
60e4fb42 | 446 | HostnameSource hns; |
7d9ec609 | 447 | int r; |
7640a5de | 448 | |
66a4c743 LP |
449 | assert(c); |
450 | ||
d39079fc | 451 | /* /etc/hostname has the highest preference ... */ |
60e4fb42 | 452 | if (c->data[PROP_STATIC_HOSTNAME]) { |
d39079fc | 453 | hn = c->data[PROP_STATIC_HOSTNAME]; |
60e4fb42 | 454 | hns = HOSTNAME_STATIC; |
c779a442 | 455 | |
38b38500 | 456 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
60e4fb42 | 457 | } else if (transient_hn) { |
aa994368 | 458 | hn = transient_hn; |
60e4fb42 | 459 | hns = HOSTNAME_TRANSIENT; |
7640a5de | 460 | |
c779a442 | 461 | /* ... and the ultimate fallback */ |
60e4fb42 | 462 | } else { |
05c6f341 ZJS |
463 | hn = _hn_free = get_default_hostname(); |
464 | if (!hn) | |
465 | return log_oom(); | |
466 | ||
8770c813 | 467 | hns = HOSTNAME_DEFAULT; |
60e4fb42 | 468 | } |
c779a442 | 469 | |
7d9ec609 ZJS |
470 | r = sethostname_idempotent(hn); |
471 | if (r < 0) | |
60e4fb42 ZJS |
472 | return log_error_errno(r, "Failed to set hostname: %m"); |
473 | ||
474 | if (c->hostname_source != hns) { | |
475 | c->hostname_source = hns; | |
476 | r = 1; | |
477 | } | |
7640a5de | 478 | |
7782e0a0 | 479 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
60e4fb42 ZJS |
480 | |
481 | if (r == 0) | |
482 | log_debug("Hostname was already set to <%s>.", hn); | |
483 | else { | |
484 | log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns)); | |
485 | ||
486 | hostname_update_source_hint(hn, hns); | |
487 | } | |
488 | ||
efda832d | 489 | return r; /* 0 if no change, 1 if something was done */ |
7640a5de LP |
490 | } |
491 | ||
ba12e41d YW |
492 | static void unset_statp(struct stat **p) { |
493 | if (!*p) | |
494 | return; | |
495 | ||
496 | **p = (struct stat) {}; | |
497 | } | |
498 | ||
66a4c743 | 499 | static int context_write_data_static_hostname(Context *c) { |
ba12e41d YW |
500 | _cleanup_(unset_statp) struct stat *s = NULL; |
501 | int r; | |
502 | ||
66a4c743 LP |
503 | assert(c); |
504 | ||
ba12e41d YW |
505 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
506 | * already, even if we can't make it hit the disk. */ | |
507 | s = &c->etc_hostname_stat; | |
508 | ||
66a4c743 | 509 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { |
ba12e41d YW |
510 | if (unlink("/etc/hostname") < 0 && errno != ENOENT) |
511 | return -errno; | |
512 | ||
513 | TAKE_PTR(s); | |
7640a5de LP |
514 | return 0; |
515 | } | |
536970d4 | 516 | |
ba12e41d YW |
517 | r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
518 | if (r < 0) | |
519 | return r; | |
520 | ||
521 | TAKE_PTR(s); | |
522 | return 0; | |
7640a5de LP |
523 | } |
524 | ||
f200e8bb | 525 | static int context_write_data_machine_info(Context *c) { |
ba12e41d | 526 | _cleanup_(unset_statp) struct stat *s = NULL; |
7640a5de LP |
527 | static const char * const name[_PROP_MAX] = { |
528 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 529 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
530 | [PROP_CHASSIS] = "CHASSIS", |
531 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 532 | [PROP_LOCATION] = "LOCATION", |
7640a5de | 533 | }; |
0ccad099 | 534 | _cleanup_strv_free_ char **l = NULL; |
536970d4 | 535 | int r; |
7640a5de | 536 | |
66a4c743 LP |
537 | assert(c); |
538 | ||
ba12e41d YW |
539 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
540 | * already, even if we can't make it hit the disk. */ | |
541 | s = &c->etc_machine_info_stat; | |
542 | ||
aa8fbc74 | 543 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
544 | if (r < 0 && r != -ENOENT) |
545 | return r; | |
546 | ||
536970d4 | 547 | for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
7640a5de LP |
548 | assert(name[p]); |
549 | ||
f08231fe ZJS |
550 | r = strv_env_assign(&l, name[p], empty_to_null(c->data[p])); |
551 | if (r < 0) | |
552 | return r; | |
7640a5de LP |
553 | } |
554 | ||
555 | if (strv_isempty(l)) { | |
ba12e41d YW |
556 | if (unlink("/etc/machine-info") < 0 && errno != ENOENT) |
557 | return -errno; | |
7640a5de | 558 | |
ba12e41d | 559 | TAKE_PTR(s); |
7640a5de LP |
560 | return 0; |
561 | } | |
562 | ||
ba12e41d YW |
563 | r = write_env_file_label("/etc/machine-info", l); |
564 | if (r < 0) | |
565 | return r; | |
566 | ||
567 | TAKE_PTR(s); | |
568 | return 0; | |
7640a5de LP |
569 | } |
570 | ||
4fc7e4f3 YW |
571 | static int property_get_hardware_property( |
572 | sd_bus_message *reply, | |
573 | Context *c, | |
574 | HostProperty prop, | |
575 | int (*getter)(char **)) { | |
576 | ||
577 | _cleanup_free_ char *from_dmi = NULL; | |
578 | ||
579 | assert(reply); | |
580 | assert(c); | |
0924ea2b | 581 | assert(IN_SET(prop, PROP_HARDWARE_VENDOR, PROP_HARDWARE_MODEL)); |
4fc7e4f3 YW |
582 | assert(getter); |
583 | ||
584 | context_read_machine_info(c); | |
585 | ||
586 | if (isempty(c->data[prop])) | |
587 | (void) getter(&from_dmi); | |
588 | ||
589 | return sd_bus_message_append(reply, "s", from_dmi ?: c->data[prop]); | |
590 | } | |
591 | ||
b9d80698 FB |
592 | static int property_get_hardware_vendor( |
593 | sd_bus *bus, | |
594 | const char *path, | |
595 | const char *interface, | |
596 | const char *property, | |
597 | sd_bus_message *reply, | |
598 | void *userdata, | |
599 | sd_bus_error *error) { | |
b9d80698 | 600 | |
0924ea2b | 601 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_VENDOR, get_hardware_vendor); |
b9d80698 FB |
602 | } |
603 | ||
604 | static int property_get_hardware_model( | |
605 | sd_bus *bus, | |
606 | const char *path, | |
607 | const char *interface, | |
608 | const char *property, | |
609 | sd_bus_message *reply, | |
610 | void *userdata, | |
611 | sd_bus_error *error) { | |
b9d80698 | 612 | |
0924ea2b | 613 | return property_get_hardware_property(reply, userdata, PROP_HARDWARE_MODEL, get_hardware_model); |
b9d80698 FB |
614 | } |
615 | ||
c52950c2 SS |
616 | static int property_get_firmware_version( |
617 | sd_bus *bus, | |
618 | const char *path, | |
619 | const char *interface, | |
620 | const char *property, | |
621 | sd_bus_message *reply, | |
622 | void *userdata, | |
623 | sd_bus_error *error) { | |
624 | ||
625 | _cleanup_free_ char *firmware_version = NULL; | |
626 | ||
627 | (void) get_firmware_version(&firmware_version); | |
628 | ||
629 | return sd_bus_message_append(reply, "s", firmware_version); | |
630 | } | |
631 | ||
aa994368 LP |
632 | static int property_get_hostname( |
633 | sd_bus *bus, | |
634 | const char *path, | |
635 | const char *interface, | |
636 | const char *property, | |
637 | sd_bus_message *reply, | |
638 | void *userdata, | |
639 | sd_bus_error *error) { | |
640 | ||
05c6f341 | 641 | _cleanup_free_ char *hn = NULL; |
aa994368 LP |
642 | int r; |
643 | ||
05c6f341 ZJS |
644 | r = gethostname_strict(&hn); |
645 | if (r < 0) { | |
646 | if (r != -ENXIO) | |
647 | return r; | |
aa994368 | 648 | |
05c6f341 ZJS |
649 | hn = get_default_hostname(); |
650 | if (!hn) | |
651 | return -ENOMEM; | |
652 | } | |
653 | ||
654 | return sd_bus_message_append(reply, "s", hn); | |
aa994368 LP |
655 | } |
656 | ||
d7f4ad20 LP |
657 | static int property_get_static_hostname( |
658 | sd_bus *bus, | |
659 | const char *path, | |
660 | const char *interface, | |
661 | const char *property, | |
662 | sd_bus_message *reply, | |
663 | void *userdata, | |
664 | sd_bus_error *error) { | |
665 | ||
666 | Context *c = userdata; | |
667 | assert(c); | |
668 | ||
669 | context_read_etc_hostname(c); | |
670 | ||
671 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
672 | } | |
673 | ||
8770c813 | 674 | static int property_get_default_hostname( |
05c6f341 ZJS |
675 | sd_bus *bus, |
676 | const char *path, | |
677 | const char *interface, | |
678 | const char *property, | |
679 | sd_bus_message *reply, | |
680 | void *userdata, | |
681 | sd_bus_error *error) { | |
682 | ||
61d44b6b LP |
683 | _cleanup_free_ char *hn = NULL; |
684 | ||
685 | hn = get_default_hostname(); | |
05c6f341 ZJS |
686 | if (!hn) |
687 | return log_oom(); | |
688 | ||
689 | return sd_bus_message_append(reply, "s", hn); | |
690 | } | |
ce6b138c | 691 | |
f2a434a5 | 692 | static void context_determine_hostname_source(Context *c) { |
0995accd | 693 | _cleanup_free_ char *hostname = NULL; |
f2a434a5 LP |
694 | int r; |
695 | ||
696 | assert(c); | |
697 | ||
698 | if (c->hostname_source >= 0) | |
699 | return; | |
700 | ||
0995accd | 701 | (void) gethostname_full(GET_HOSTNAME_ALLOW_LOCALHOST, &hostname); |
f2a434a5 LP |
702 | |
703 | if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME])) | |
704 | c->hostname_source = HOSTNAME_STATIC; | |
705 | else { | |
0995accd YW |
706 | _cleanup_free_ char *fallback = NULL; |
707 | ||
f2a434a5 LP |
708 | /* If the hostname was not set by us, try to figure out where it came from. If we set it to |
709 | * the default hostname, the file will tell us. We compare the string because it is possible | |
710 | * that the hostname was set by an older version that had a different fallback, in the | |
711 | * initramfs or before we reexecuted. */ | |
712 | ||
713 | r = read_one_line_file("/run/systemd/default-hostname", &fallback); | |
714 | if (r < 0 && r != -ENOENT) | |
715 | log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m"); | |
716 | ||
717 | if (streq_ptr(fallback, hostname)) | |
718 | c->hostname_source = HOSTNAME_DEFAULT; | |
719 | else | |
720 | c->hostname_source = HOSTNAME_TRANSIENT; | |
721 | } | |
722 | } | |
723 | ||
60e4fb42 ZJS |
724 | static int property_get_hostname_source( |
725 | sd_bus *bus, | |
726 | const char *path, | |
727 | const char *interface, | |
728 | const char *property, | |
729 | sd_bus_message *reply, | |
730 | void *userdata, | |
731 | sd_bus_error *error) { | |
732 | ||
733 | Context *c = userdata; | |
60e4fb42 ZJS |
734 | assert(c); |
735 | ||
736 | context_read_etc_hostname(c); | |
f2a434a5 | 737 | context_determine_hostname_source(c); |
60e4fb42 ZJS |
738 | |
739 | return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source)); | |
740 | } | |
741 | ||
d7f4ad20 LP |
742 | static int property_get_machine_info_field( |
743 | sd_bus *bus, | |
744 | const char *path, | |
745 | const char *interface, | |
746 | const char *property, | |
747 | sd_bus_message *reply, | |
748 | void *userdata, | |
749 | sd_bus_error *error) { | |
750 | ||
751 | sd_bus_slot *slot; | |
752 | Context *c; | |
753 | ||
754 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
755 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
756 | * pointer to the property field inside the context object that we are supposed to update and | |
757 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
758 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
759 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
760 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
761 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
762 | * directly off it. */ | |
763 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
764 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
765 | ||
766 | context_read_machine_info(c); | |
767 | ||
768 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
769 | } | |
770 | ||
771 | static int property_get_os_release_field( | |
772 | sd_bus *bus, | |
773 | const char *path, | |
774 | const char *interface, | |
775 | const char *property, | |
776 | sd_bus_message *reply, | |
777 | void *userdata, | |
778 | sd_bus_error *error) { | |
779 | ||
780 | sd_bus_slot *slot; | |
781 | Context *c; | |
782 | ||
783 | /* As above, acquire the current context without this property's userdata offset added. */ | |
784 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
785 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
786 | ||
787 | context_read_os_release(c); | |
788 | ||
789 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
790 | } | |
791 | ||
66a4c743 LP |
792 | static int property_get_icon_name( |
793 | sd_bus *bus, | |
794 | const char *path, | |
795 | const char *interface, | |
796 | const char *property, | |
797 | sd_bus_message *reply, | |
ebcf1f97 LP |
798 | void *userdata, |
799 | sd_bus_error *error) { | |
7640a5de | 800 | |
66a4c743 LP |
801 | _cleanup_free_ char *n = NULL; |
802 | Context *c = userdata; | |
803 | const char *name; | |
7640a5de | 804 | |
d7f4ad20 LP |
805 | context_read_machine_info(c); |
806 | ||
66a4c743 LP |
807 | if (isempty(c->data[PROP_ICON_NAME])) |
808 | name = n = context_fallback_icon_name(c); | |
7640a5de | 809 | else |
66a4c743 LP |
810 | name = c->data[PROP_ICON_NAME]; |
811 | ||
812 | if (!name) | |
813 | return -ENOMEM; | |
7640a5de | 814 | |
ebcf1f97 | 815 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
816 | } |
817 | ||
66a4c743 LP |
818 | static int property_get_chassis( |
819 | sd_bus *bus, | |
820 | const char *path, | |
821 | const char *interface, | |
822 | const char *property, | |
823 | sd_bus_message *reply, | |
ebcf1f97 LP |
824 | void *userdata, |
825 | sd_bus_error *error) { | |
7871c8e9 | 826 | |
8c8b1800 | 827 | _cleanup_free_ char *chassis = NULL; |
66a4c743 | 828 | Context *c = userdata; |
7871c8e9 | 829 | |
d7f4ad20 LP |
830 | context_read_machine_info(c); |
831 | ||
8c8b1800 | 832 | chassis = context_get_chassis(c); |
7871c8e9 | 833 | |
8c8b1800 | 834 | return sd_bus_message_append(reply, "s", chassis); |
7871c8e9 LP |
835 | } |
836 | ||
72f48cd3 LP |
837 | static int property_get_uname_field( |
838 | sd_bus *bus, | |
839 | const char *path, | |
840 | const char *interface, | |
841 | const char *property, | |
842 | sd_bus_message *reply, | |
843 | void *userdata, | |
844 | sd_bus_error *error) { | |
845 | ||
846 | struct utsname u; | |
847 | ||
848 | assert_se(uname(&u) >= 0); | |
849 | ||
850 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
851 | } | |
852 | ||
19070062 | 853 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
854 | Context *c = userdata; |
855 | const char *name; | |
aa994368 | 856 | int interactive, r; |
d200735e | 857 | |
19070062 LP |
858 | assert(m); |
859 | assert(c); | |
860 | ||
66a4c743 LP |
861 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
862 | if (r < 0) | |
ebcf1f97 | 863 | return r; |
d200735e | 864 | |
60e4fb42 | 865 | name = empty_to_null(name); |
7640a5de | 866 | |
60e4fb42 ZJS |
867 | /* We always go through with the procedure below without comparing to the current hostname, because |
868 | * we might want to adjust hostname source information even if the actual hostname is unchanged. */ | |
7640a5de | 869 | |
f190ac48 | 870 | if (name && !hostname_is_valid(name, 0)) |
ebcf1f97 | 871 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 872 | |
60e4fb42 | 873 | context_read_etc_hostname(c); |
7640a5de | 874 | |
c529695e LP |
875 | r = bus_verify_polkit_async( |
876 | m, | |
877 | CAP_SYS_ADMIN, | |
878 | "org.freedesktop.hostname1.set-hostname", | |
403ed0e5 | 879 | NULL, |
c529695e LP |
880 | interactive, |
881 | UID_INVALID, | |
882 | &c->polkit_registry, | |
883 | error); | |
66a4c743 | 884 | if (r < 0) |
ebcf1f97 | 885 | return r; |
66a4c743 LP |
886 | if (r == 0) |
887 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 888 | |
aa994368 | 889 | r = context_update_kernel_hostname(c, name); |
60e4fb42 | 890 | if (r < 0) |
1b4cd646 | 891 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
60e4fb42 | 892 | else if (r > 0) |
efda832d ZJS |
893 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
894 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
895 | "Hostname", "HostnameSource", NULL); | |
7640a5de | 896 | |
df2d202e | 897 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 898 | } |
7640a5de | 899 | |
19070062 | 900 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
901 | Context *c = userdata; |
902 | const char *name; | |
102d8f81 | 903 | int interactive; |
66a4c743 | 904 | int r; |
7640a5de | 905 | |
19070062 LP |
906 | assert(m); |
907 | assert(c); | |
908 | ||
66a4c743 LP |
909 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
910 | if (r < 0) | |
ebcf1f97 | 911 | return r; |
7640a5de | 912 | |
3c6f7c34 | 913 | name = empty_to_null(name); |
7640a5de | 914 | |
d7f4ad20 LP |
915 | context_read_etc_hostname(c); |
916 | ||
66a4c743 | 917 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 918 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 919 | |
60e4fb42 | 920 | if (name && !hostname_is_valid(name, 0)) |
c650f207 YW |
921 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
922 | ||
c529695e LP |
923 | r = bus_verify_polkit_async( |
924 | m, | |
925 | CAP_SYS_ADMIN, | |
926 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 927 | NULL, |
c529695e LP |
928 | interactive, |
929 | UID_INVALID, | |
930 | &c->polkit_registry, | |
931 | error); | |
66a4c743 | 932 | if (r < 0) |
ebcf1f97 | 933 | return r; |
66a4c743 LP |
934 | if (r == 0) |
935 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 936 | |
e8acf091 | 937 | r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name); |
c650f207 YW |
938 | if (r < 0) |
939 | return r; | |
7640a5de | 940 | |
66a4c743 LP |
941 | r = context_write_data_static_hostname(c); |
942 | if (r < 0) { | |
38b38500 | 943 | log_error_errno(r, "Failed to write static hostname: %m"); |
957991b7 YW |
944 | if (ERRNO_IS_PRIVILEGE(r)) |
945 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); | |
946 | if (r == -EROFS) | |
947 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); | |
1b4cd646 | 948 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 949 | } |
7640a5de | 950 | |
60e4fb42 ZJS |
951 | r = context_update_kernel_hostname(c, NULL); |
952 | if (r < 0) { | |
953 | log_error_errno(r, "Failed to set hostname: %m"); | |
954 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
955 | } | |
7640a5de | 956 | |
efda832d | 957 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
60e4fb42 ZJS |
958 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", |
959 | "StaticHostname", "Hostname", "HostnameSource", NULL); | |
7640a5de | 960 | |
df2d202e | 961 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 962 | } |
7640a5de | 963 | |
19070062 | 964 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 965 | int interactive; |
66a4c743 LP |
966 | const char *name; |
967 | int r; | |
968 | ||
969 | assert(c); | |
66a4c743 LP |
970 | assert(m); |
971 | ||
972 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
973 | if (r < 0) | |
ebcf1f97 | 974 | return r; |
66a4c743 | 975 | |
3c6f7c34 | 976 | name = empty_to_null(name); |
66a4c743 | 977 | |
d7f4ad20 LP |
978 | context_read_machine_info(c); |
979 | ||
66a4c743 | 980 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 981 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 982 | |
c650f207 YW |
983 | if (!isempty(name)) { |
984 | /* The icon name might ultimately be used as file | |
985 | * name, so better be safe than sorry */ | |
986 | ||
987 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
988 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
989 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 990 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
991 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
992 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
993 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
994 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
995 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
996 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
997 | } | |
998 | ||
66a4c743 LP |
999 | /* Since the pretty hostname should always be changed at the |
1000 | * same time as the static one, use the same policy action for | |
1001 | * both... */ | |
1002 | ||
c529695e LP |
1003 | r = bus_verify_polkit_async( |
1004 | m, | |
1005 | CAP_SYS_ADMIN, | |
1006 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 1007 | NULL, |
c529695e LP |
1008 | interactive, |
1009 | UID_INVALID, | |
1010 | &c->polkit_registry, | |
1011 | error); | |
66a4c743 | 1012 | if (r < 0) |
ebcf1f97 | 1013 | return r; |
66a4c743 LP |
1014 | if (r == 0) |
1015 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1016 | ||
e8acf091 | 1017 | r = free_and_strdup_warn(&c->data[prop], name); |
c650f207 YW |
1018 | if (r < 0) |
1019 | return r; | |
7640a5de | 1020 | |
f200e8bb | 1021 | r = context_write_data_machine_info(c); |
66a4c743 | 1022 | if (r < 0) { |
da927ba9 | 1023 | log_error_errno(r, "Failed to write machine info: %m"); |
957991b7 YW |
1024 | if (ERRNO_IS_PRIVILEGE(r)) |
1025 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); | |
1026 | if (r == -EROFS) | |
1027 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); | |
1b4cd646 | 1028 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 1029 | } |
7640a5de | 1030 | |
66a4c743 | 1031 | log_info("Changed %s to '%s'", |
38b38500 | 1032 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 1033 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 1034 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 1035 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 1036 | |
19070062 LP |
1037 | (void) sd_bus_emit_properties_changed( |
1038 | sd_bus_message_get_bus(m), | |
1039 | "/org/freedesktop/hostname1", | |
1040 | "org.freedesktop.hostname1", | |
1041 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
1042 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
1043 | prop == PROP_LOCATION ? "Location" : | |
1044 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 1045 | |
df2d202e | 1046 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 1047 | } |
7640a5de | 1048 | |
19070062 LP |
1049 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1050 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
1051 | } |
1052 | ||
19070062 LP |
1053 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1054 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
1055 | } |
1056 | ||
19070062 LP |
1057 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1058 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
1059 | } |
1060 | ||
19070062 LP |
1061 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1062 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
1063 | } |
1064 | ||
19070062 LP |
1065 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1066 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
1067 | } |
1068 | ||
21e627da YW |
1069 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1070 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1071 | Context *c = userdata; | |
1072 | int interactive, r; | |
5704cd73 | 1073 | sd_id128_t uuid; |
21e627da YW |
1074 | |
1075 | assert(m); | |
1076 | assert(c); | |
1077 | ||
21e627da YW |
1078 | r = sd_bus_message_read(m, "b", &interactive); |
1079 | if (r < 0) | |
1080 | return r; | |
1081 | ||
1082 | r = bus_verify_polkit_async( | |
1083 | m, | |
1084 | CAP_SYS_ADMIN, | |
1085 | "org.freedesktop.hostname1.get-product-uuid", | |
1086 | NULL, | |
1087 | interactive, | |
1088 | UID_INVALID, | |
1089 | &c->polkit_registry, | |
1090 | error); | |
1091 | if (r < 0) | |
1092 | return r; | |
1093 | if (r == 0) | |
1094 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1095 | ||
66ee2298 LP |
1096 | r = id128_get_product(&uuid); |
1097 | if (r < 0) { | |
1098 | if (r == -EADDRNOTAVAIL) | |
1099 | log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring."); | |
1100 | else | |
1101 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
1102 | "Failed to read product UUID, ignoring: %m"); | |
1103 | ||
1104 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
1105 | "Failed to read product UUID from firmware."); | |
1106 | } | |
1107 | ||
21e627da YW |
1108 | r = sd_bus_message_new_method_return(m, &reply); |
1109 | if (r < 0) | |
1110 | return r; | |
1111 | ||
c52e295d | 1112 | r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes)); |
21e627da YW |
1113 | if (r < 0) |
1114 | return r; | |
1115 | ||
1116 | return sd_bus_send(NULL, reply, NULL); | |
1117 | } | |
1118 | ||
96976629 YW |
1119 | static int method_get_hardware_serial(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
1120 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1121 | _cleanup_free_ char *serial = NULL; | |
1122 | Context *c = userdata; | |
ff28d259 | 1123 | int r; |
96976629 YW |
1124 | |
1125 | assert(m); | |
1126 | assert(c); | |
1127 | ||
96976629 YW |
1128 | r = bus_verify_polkit_async( |
1129 | m, | |
1130 | CAP_SYS_ADMIN, | |
1131 | "org.freedesktop.hostname1.get-hardware-serial", | |
1132 | NULL, | |
ff28d259 | 1133 | false, |
96976629 YW |
1134 | UID_INVALID, |
1135 | &c->polkit_registry, | |
1136 | error); | |
1137 | if (r < 0) | |
1138 | return r; | |
1139 | if (r == 0) | |
1140 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1141 | ||
1142 | r = get_hardware_serial(&serial); | |
1143 | if (r < 0) | |
1144 | return r; | |
1145 | ||
1146 | r = sd_bus_message_new_method_return(m, &reply); | |
1147 | if (r < 0) | |
1148 | return r; | |
1149 | ||
1150 | r = sd_bus_message_append(reply, "s", serial); | |
1151 | if (r < 0) | |
1152 | return r; | |
1153 | ||
1154 | return sd_bus_send(NULL, reply, NULL); | |
1155 | } | |
1156 | ||
7ecead8f | 1157 | static int method_describe(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
96976629 | 1158 | _cleanup_free_ char *hn = NULL, *dhn = NULL, *in = NULL, *text = NULL, |
c52950c2 | 1159 | *chassis = NULL, *vendor = NULL, *model = NULL, *serial = NULL, *firmware_version = NULL; |
7ecead8f LP |
1160 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
1161 | _cleanup_(json_variant_unrefp) JsonVariant *v = NULL; | |
1162 | sd_id128_t product_uuid = SD_ID128_NULL; | |
7ecead8f LP |
1163 | Context *c = userdata; |
1164 | bool privileged; | |
1165 | struct utsname u; | |
1166 | int r; | |
1167 | ||
1168 | assert(m); | |
1169 | assert(c); | |
1170 | ||
1171 | r = bus_verify_polkit_async( | |
1172 | m, | |
1173 | CAP_SYS_ADMIN, | |
96976629 | 1174 | "org.freedesktop.hostname1.get-description", |
7ecead8f LP |
1175 | NULL, |
1176 | false, | |
1177 | UID_INVALID, | |
1178 | &c->polkit_registry, | |
1179 | NULL); | |
1180 | if (r == 0) | |
1181 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1182 | ||
1183 | /* We ignore all authentication errors here, since most data is unprivileged, the one exception being | |
1184 | * the product ID which we'll check explicitly. */ | |
1185 | privileged = r > 0; | |
1186 | ||
1187 | context_read_etc_hostname(c); | |
1188 | context_read_machine_info(c); | |
1189 | context_read_os_release(c); | |
1190 | context_determine_hostname_source(c); | |
1191 | ||
1192 | r = gethostname_strict(&hn); | |
1193 | if (r < 0) { | |
1194 | if (r != -ENXIO) | |
1195 | return log_error_errno(r, "Failed to read local host name: %m"); | |
1196 | ||
1197 | hn = get_default_hostname(); | |
1198 | if (!hn) | |
1199 | return log_oom(); | |
1200 | } | |
1201 | ||
1202 | dhn = get_default_hostname(); | |
1203 | if (!dhn) | |
1204 | return log_oom(); | |
1205 | ||
1206 | if (isempty(c->data[PROP_ICON_NAME])) | |
1207 | in = context_fallback_icon_name(c); | |
1208 | ||
8c8b1800 | 1209 | chassis = context_get_chassis(c); |
7ecead8f LP |
1210 | |
1211 | assert_se(uname(&u) >= 0); | |
1212 | ||
0924ea2b | 1213 | if (isempty(c->data[PROP_HARDWARE_VENDOR])) |
4fc7e4f3 | 1214 | (void) get_hardware_vendor(&vendor); |
0924ea2b | 1215 | if (isempty(c->data[PROP_HARDWARE_MODEL])) |
4fc7e4f3 | 1216 | (void) get_hardware_model(&model); |
7ecead8f | 1217 | |
96976629 YW |
1218 | if (privileged) { |
1219 | /* The product UUID and hardware serial is only available to privileged clients */ | |
1220 | (void) id128_get_product(&product_uuid); | |
1221 | (void) get_hardware_serial(&serial); | |
1222 | } | |
c52950c2 | 1223 | (void) get_firmware_version(&firmware_version); |
7ecead8f LP |
1224 | |
1225 | r = json_build(&v, JSON_BUILD_OBJECT( | |
1226 | JSON_BUILD_PAIR("Hostname", JSON_BUILD_STRING(hn)), | |
1227 | JSON_BUILD_PAIR("StaticHostname", JSON_BUILD_STRING(c->data[PROP_STATIC_HOSTNAME])), | |
1228 | JSON_BUILD_PAIR("PrettyHostname", JSON_BUILD_STRING(c->data[PROP_PRETTY_HOSTNAME])), | |
1229 | JSON_BUILD_PAIR("DefaultHostname", JSON_BUILD_STRING(dhn)), | |
1230 | JSON_BUILD_PAIR("HostnameSource", JSON_BUILD_STRING(hostname_source_to_string(c->hostname_source))), | |
1231 | JSON_BUILD_PAIR("IconName", JSON_BUILD_STRING(in ?: c->data[PROP_ICON_NAME])), | |
8c8b1800 | 1232 | JSON_BUILD_PAIR("Chassis", JSON_BUILD_STRING(chassis)), |
7ecead8f LP |
1233 | JSON_BUILD_PAIR("Deployment", JSON_BUILD_STRING(c->data[PROP_DEPLOYMENT])), |
1234 | JSON_BUILD_PAIR("Location", JSON_BUILD_STRING(c->data[PROP_LOCATION])), | |
1235 | JSON_BUILD_PAIR("KernelName", JSON_BUILD_STRING(u.sysname)), | |
1236 | JSON_BUILD_PAIR("KernelRelease", JSON_BUILD_STRING(u.release)), | |
1237 | JSON_BUILD_PAIR("KernelVersion", JSON_BUILD_STRING(u.version)), | |
1238 | JSON_BUILD_PAIR("OperatingSystemPrettyName", JSON_BUILD_STRING(c->data[PROP_OS_PRETTY_NAME])), | |
1239 | JSON_BUILD_PAIR("OperatingSystemCPEName", JSON_BUILD_STRING(c->data[PROP_OS_CPE_NAME])), | |
1240 | JSON_BUILD_PAIR("OperatingSystemHomeURL", JSON_BUILD_STRING(c->data[PROP_OS_HOME_URL])), | |
0924ea2b LP |
1241 | JSON_BUILD_PAIR("HardwareVendor", JSON_BUILD_STRING(vendor ?: c->data[PROP_HARDWARE_VENDOR])), |
1242 | JSON_BUILD_PAIR("HardwareModel", JSON_BUILD_STRING(model ?: c->data[PROP_HARDWARE_MODEL])), | |
96976629 | 1243 | JSON_BUILD_PAIR("HardwareSerial", JSON_BUILD_STRING(serial)), |
c52950c2 | 1244 | JSON_BUILD_PAIR("FirmwareVersion", JSON_BUILD_STRING(firmware_version)), |
7ecead8f LP |
1245 | JSON_BUILD_PAIR_CONDITION(!sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_ID128(product_uuid)), |
1246 | JSON_BUILD_PAIR_CONDITION(sd_id128_is_null(product_uuid), "ProductUUID", JSON_BUILD_NULL))); | |
1247 | ||
1248 | if (r < 0) | |
1249 | return log_error_errno(r, "Failed to build JSON data: %m"); | |
1250 | ||
1251 | r = json_variant_format(v, 0, &text); | |
1252 | if (r < 0) | |
1253 | return log_error_errno(r, "Failed to format JSON data: %m"); | |
1254 | ||
1255 | r = sd_bus_message_new_method_return(m, &reply); | |
1256 | if (r < 0) | |
1257 | return r; | |
1258 | ||
1259 | r = sd_bus_message_append(reply, "s", text); | |
1260 | if (r < 0) | |
1261 | return r; | |
1262 | ||
1263 | return sd_bus_send(NULL, reply, NULL); | |
1264 | } | |
1265 | ||
66a4c743 LP |
1266 | static const sd_bus_vtable hostname_vtable[] = { |
1267 | SD_BUS_VTABLE_START(0), | |
aa994368 | 1268 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
1269 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1270 | 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 | 1271 | SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
60e4fb42 | 1272 | SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
66a4c743 LP |
1273 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1274 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
1275 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1276 | 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 |
1277 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
1278 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1279 | 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 |
1280 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
1281 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
1282 | 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 |
1283 | SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
1284 | SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
c52950c2 | 1285 | SD_BUS_PROPERTY("FirmwareVersion", "s", property_get_firmware_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
106d79be | 1286 | |
92c9f47d SS |
1287 | SD_BUS_METHOD_WITH_ARGS("SetHostname", |
1288 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1289 | SD_BUS_NO_RESULT, | |
1290 | method_set_hostname, | |
1291 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1292 | SD_BUS_METHOD_WITH_ARGS("SetStaticHostname", | |
1293 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1294 | SD_BUS_NO_RESULT, | |
1295 | method_set_static_hostname, | |
1296 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1297 | SD_BUS_METHOD_WITH_ARGS("SetPrettyHostname", | |
1298 | SD_BUS_ARGS("s", hostname, "b", interactive), | |
1299 | SD_BUS_NO_RESULT, | |
1300 | method_set_pretty_hostname, | |
1301 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1302 | SD_BUS_METHOD_WITH_ARGS("SetIconName", | |
1303 | SD_BUS_ARGS("s", icon, "b", interactive), | |
1304 | SD_BUS_NO_RESULT, | |
1305 | method_set_icon_name, | |
1306 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1307 | SD_BUS_METHOD_WITH_ARGS("SetChassis", | |
1308 | SD_BUS_ARGS("s", chassis, "b", interactive), | |
1309 | SD_BUS_NO_RESULT, | |
1310 | method_set_chassis, | |
1311 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1312 | SD_BUS_METHOD_WITH_ARGS("SetDeployment", | |
1313 | SD_BUS_ARGS("s", deployment, "b", interactive), | |
1314 | SD_BUS_NO_RESULT, | |
1315 | method_set_deployment, | |
1316 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1317 | SD_BUS_METHOD_WITH_ARGS("SetLocation", | |
1318 | SD_BUS_ARGS("s", location, "b", interactive), | |
1319 | SD_BUS_NO_RESULT, | |
1320 | method_set_location, | |
1321 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1322 | SD_BUS_METHOD_WITH_ARGS("GetProductUUID", | |
1323 | SD_BUS_ARGS("b", interactive), | |
1324 | SD_BUS_RESULT("ay", uuid), | |
1325 | method_get_product_uuid, | |
1326 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1327 | SD_BUS_METHOD_WITH_ARGS("GetHardwareSerial", | |
1328 | SD_BUS_NO_ARGS, | |
1329 | SD_BUS_RESULT("s", serial), | |
1330 | method_get_hardware_serial, | |
1331 | SD_BUS_VTABLE_UNPRIVILEGED), | |
7ecead8f LP |
1332 | SD_BUS_METHOD_WITH_ARGS("Describe", |
1333 | SD_BUS_NO_ARGS, | |
1334 | SD_BUS_RESULT("s", json), | |
1335 | method_describe, | |
1336 | SD_BUS_VTABLE_UNPRIVILEGED), | |
106d79be | 1337 | |
66a4c743 LP |
1338 | SD_BUS_VTABLE_END, |
1339 | }; | |
1340 | ||
670139db ZJS |
1341 | static const BusObjectImplementation manager_object = { |
1342 | "/org/freedesktop/hostname1", | |
1343 | "org.freedesktop.hostname1", | |
1344 | .vtables = BUS_VTABLES(hostname_vtable), | |
1345 | }; | |
1346 | ||
2ac4d1d4 | 1347 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 1348 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
1349 | int r; |
1350 | ||
66a4c743 LP |
1351 | assert(c); |
1352 | assert(event); | |
2ac4d1d4 | 1353 | assert(ret); |
d0baa06f | 1354 | |
76b54375 | 1355 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
1356 | if (r < 0) |
1357 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 1358 | |
670139db | 1359 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 1360 | if (r < 0) |
670139db | 1361 | return r; |
d0baa06f | 1362 | |
ac9f55ed LP |
1363 | r = bus_log_control_api_register(bus); |
1364 | if (r < 0) | |
1365 | return r; | |
1366 | ||
0c0b9306 | 1367 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 1368 | if (r < 0) |
0c0b9306 | 1369 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1370 | |
66a4c743 | 1371 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
1372 | if (r < 0) |
1373 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 1374 | |
2ac4d1d4 | 1375 | *ret = TAKE_PTR(bus); |
66a4c743 | 1376 | return 0; |
d0baa06f LP |
1377 | } |
1378 | ||
85ae63ee | 1379 | static int run(int argc, char *argv[]) { |
60e4fb42 ZJS |
1380 | _cleanup_(context_destroy) Context context = { |
1381 | .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */ | |
1382 | }; | |
4afd3348 LP |
1383 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1384 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 1385 | int r; |
d0baa06f | 1386 | |
d2acb93d | 1387 | log_setup(); |
7640a5de | 1388 | |
fc021a5b ZJS |
1389 | r = service_parse_argv("systemd-hostnamed.service", |
1390 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
1391 | BUS_IMPLEMENTATIONS(&manager_object, |
1392 | &log_control_object), | |
fc021a5b ZJS |
1393 | argc, argv); |
1394 | if (r <= 0) | |
1395 | return r; | |
1396 | ||
4c12626c | 1397 | umask(0022); |
a9ba0e32 CG |
1398 | |
1399 | r = mac_selinux_init(); | |
1400 | if (r < 0) | |
1401 | return r; | |
4c12626c | 1402 | |
b22c8bfc YW |
1403 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1404 | ||
afc6adb5 | 1405 | r = sd_event_default(&event); |
85ae63ee YW |
1406 | if (r < 0) |
1407 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 1408 | |
b22c8bfc YW |
1409 | (void) sd_event_set_watchdog(event, true); |
1410 | ||
1411 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
1412 | if (r < 0) |
1413 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
1414 | |
1415 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
1416 | if (r < 0) |
1417 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1418 | |
66a4c743 | 1419 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1420 | if (r < 0) |
85ae63ee | 1421 | return r; |
7640a5de | 1422 | |
37224a5f | 1423 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1424 | if (r < 0) |
1425 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1426 | |
85ae63ee | 1427 | return 0; |
7640a5de | 1428 | } |
85ae63ee YW |
1429 | |
1430 | DEFINE_MAIN_FUNCTION(run); |