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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
7640a5de | 2 | |
7640a5de | 3 | #include <errno.h> |
f426cc5d | 4 | #include <sys/utsname.h> |
ca78ad1d ZJS |
5 | #include <sys/stat.h> |
6 | #include <sys/types.h> | |
cf0fbc49 | 7 | #include <unistd.h> |
7640a5de | 8 | |
b5efdb8a | 9 | #include "alloc-util.h" |
21e627da | 10 | #include "bus-common-errors.h" |
ce6b138c | 11 | #include "bus-get-properties.h" |
ac9f55ed | 12 | #include "bus-log-control-api.h" |
269e4d2d | 13 | #include "bus-polkit.h" |
ad740100 | 14 | #include "def.h" |
686d13b9 LP |
15 | #include "env-file-label.h" |
16 | #include "env-file.h" | |
4d1a6904 | 17 | #include "env-util.h" |
6bedfcbb | 18 | #include "fileio-label.h" |
ee228be1 | 19 | #include "fileio.h" |
e2054217 | 20 | #include "hostname-setup.h" |
958b66ea | 21 | #include "hostname-util.h" |
21e627da | 22 | #include "id128-util.h" |
85ae63ee | 23 | #include "main-func.h" |
36dd5ffd | 24 | #include "missing_capability.h" |
7782e0a0 | 25 | #include "nscd-flush.h" |
d8b4d14d | 26 | #include "nulstr-util.h" |
d58ad743 | 27 | #include "os-util.h" |
6bedfcbb | 28 | #include "parse-util.h" |
bb15fafe | 29 | #include "path-util.h" |
b9d80698 | 30 | #include "sd-device.h" |
6bedfcbb | 31 | #include "selinux-util.h" |
fc021a5b | 32 | #include "service-util.h" |
b22c8bfc | 33 | #include "signal-util.h" |
d7f4ad20 | 34 | #include "stat-util.h" |
60e4fb42 | 35 | #include "string-table.h" |
6bedfcbb | 36 | #include "strv.h" |
ee104e11 | 37 | #include "user-util.h" |
6bedfcbb LP |
38 | #include "util.h" |
39 | #include "virt.h" | |
91f9dcaf | 40 | |
799298d6 JG |
41 | #define VALID_DEPLOYMENT_CHARS (DIGITS LETTERS "-.:") |
42 | ||
f8da67cd LP |
43 | /* Properties we cache are indexed by an enum, to make invalidation easy and systematic (as we can iterate |
44 | * through them all, and they are uniformly strings). */ | |
7640a5de | 45 | enum { |
d7f4ad20 | 46 | /* Read from /etc/hostname */ |
7640a5de | 47 | PROP_STATIC_HOSTNAME, |
d7f4ad20 LP |
48 | |
49 | /* Read from /etc/machine-info */ | |
7640a5de LP |
50 | PROP_PRETTY_HOSTNAME, |
51 | PROP_ICON_NAME, | |
7871c8e9 | 52 | PROP_CHASSIS, |
799298d6 | 53 | PROP_DEPLOYMENT, |
ce0f1493 | 54 | PROP_LOCATION, |
d7f4ad20 LP |
55 | |
56 | /* Read from /etc/os-release (or /usr/lib/os-release) */ | |
44c32988 DH |
57 | PROP_OS_PRETTY_NAME, |
58 | PROP_OS_CPE_NAME, | |
d7f4ad20 LP |
59 | PROP_OS_HOME_URL, |
60 | _PROP_MAX, | |
2d93c20e | 61 | _PROP_INVALID = -EINVAL, |
7640a5de LP |
62 | }; |
63 | ||
66a4c743 LP |
64 | typedef struct Context { |
65 | char *data[_PROP_MAX]; | |
d7f4ad20 | 66 | |
60e4fb42 ZJS |
67 | HostnameSource hostname_source; |
68 | ||
d7f4ad20 LP |
69 | struct stat etc_hostname_stat; |
70 | struct stat etc_os_release_stat; | |
71 | struct stat etc_machine_info_stat; | |
72 | ||
66a4c743 LP |
73 | Hashmap *polkit_registry; |
74 | } Context; | |
ad740100 | 75 | |
d7f4ad20 | 76 | static void context_reset(Context *c, uint64_t mask) { |
66a4c743 LP |
77 | assert(c); |
78 | ||
536970d4 | 79 | for (int p = 0; p < _PROP_MAX; p++) { |
d7f4ad20 LP |
80 | if (!FLAGS_SET(mask, UINT64_C(1) << p)) |
81 | continue; | |
82 | ||
a1e58e8e | 83 | c->data[p] = mfree(c->data[p]); |
d7f4ad20 | 84 | } |
7640a5de LP |
85 | } |
86 | ||
cfb9433d | 87 | static void context_destroy(Context *c) { |
66a4c743 LP |
88 | assert(c); |
89 | ||
d7f4ad20 | 90 | context_reset(c, UINT64_MAX); |
36e34057 | 91 | bus_verify_polkit_async_registry_free(c->polkit_registry); |
66a4c743 LP |
92 | } |
93 | ||
d7f4ad20 LP |
94 | static void context_read_etc_hostname(Context *c) { |
95 | struct stat current_stat = {}; | |
7640a5de LP |
96 | int r; |
97 | ||
66a4c743 LP |
98 | assert(c); |
99 | ||
d7f4ad20 LP |
100 | if (stat("/etc/hostname", ¤t_stat) >= 0 && |
101 | stat_inode_unmodified(&c->etc_hostname_stat, ¤t_stat)) | |
102 | return; | |
103 | ||
104 | context_reset(c, UINT64_C(1) << PROP_STATIC_HOSTNAME); | |
7640a5de | 105 | |
f35cb39e | 106 | r = read_etc_hostname(NULL, &c->data[PROP_STATIC_HOSTNAME]); |
7640a5de | 107 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
108 | log_warning_errno(r, "Failed to read /etc/hostname, ignoring: %m"); |
109 | ||
110 | c->etc_hostname_stat = current_stat; | |
111 | } | |
112 | ||
113 | static void context_read_machine_info(Context *c) { | |
114 | struct stat current_stat = {}; | |
115 | int r; | |
116 | ||
117 | assert(c); | |
118 | ||
119 | if (stat("/etc/machine-info", ¤t_stat) >= 0 && | |
120 | stat_inode_unmodified(&c->etc_machine_info_stat, ¤t_stat)) | |
121 | return; | |
122 | ||
123 | context_reset(c, | |
124 | (UINT64_C(1) << PROP_PRETTY_HOSTNAME) | | |
125 | (UINT64_C(1) << PROP_ICON_NAME) | | |
126 | (UINT64_C(1) << PROP_CHASSIS) | | |
127 | (UINT64_C(1) << PROP_DEPLOYMENT) | | |
128 | (UINT64_C(1) << PROP_LOCATION)); | |
7640a5de | 129 | |
aa8fbc74 | 130 | r = parse_env_file(NULL, "/etc/machine-info", |
66a4c743 LP |
131 | "PRETTY_HOSTNAME", &c->data[PROP_PRETTY_HOSTNAME], |
132 | "ICON_NAME", &c->data[PROP_ICON_NAME], | |
133 | "CHASSIS", &c->data[PROP_CHASSIS], | |
799298d6 | 134 | "DEPLOYMENT", &c->data[PROP_DEPLOYMENT], |
13df9c39 | 135 | "LOCATION", &c->data[PROP_LOCATION]); |
7640a5de | 136 | if (r < 0 && r != -ENOENT) |
d7f4ad20 LP |
137 | log_warning_errno(r, "Failed to read /etc/machine-info, ignoring: %m"); |
138 | ||
139 | c->etc_machine_info_stat = current_stat; | |
140 | } | |
141 | ||
142 | static void context_read_os_release(Context *c) { | |
143 | struct stat current_stat = {}; | |
144 | int r; | |
145 | ||
146 | assert(c); | |
147 | ||
148 | if ((stat("/etc/os-release", ¤t_stat) >= 0 || | |
149 | stat("/usr/lib/os-release", ¤t_stat) >= 0) && | |
150 | stat_inode_unmodified(&c->etc_os_release_stat, ¤t_stat)) | |
151 | return; | |
152 | ||
153 | context_reset(c, | |
154 | (UINT64_C(1) << PROP_OS_PRETTY_NAME) | | |
155 | (UINT64_C(1) << PROP_OS_CPE_NAME) | | |
156 | (UINT64_C(1) << PROP_OS_HOME_URL)); | |
7640a5de | 157 | |
d58ad743 LP |
158 | r = parse_os_release(NULL, |
159 | "PRETTY_NAME", &c->data[PROP_OS_PRETTY_NAME], | |
160 | "CPE_NAME", &c->data[PROP_OS_CPE_NAME], | |
209c1470 | 161 | "HOME_URL", &c->data[PROP_OS_HOME_URL]); |
44c32988 | 162 | if (r < 0 && r != -ENOENT) |
d7f4ad20 | 163 | log_warning_errno(r, "Failed to read os-release file, ignoring: %m"); |
44c32988 | 164 | |
d7f4ad20 | 165 | c->etc_os_release_stat = current_stat; |
7640a5de LP |
166 | } |
167 | ||
7871c8e9 | 168 | static bool valid_chassis(const char *chassis) { |
7871c8e9 LP |
169 | assert(chassis); |
170 | ||
171 | return nulstr_contains( | |
172 | "vm\0" | |
173 | "container\0" | |
174 | "desktop\0" | |
175 | "laptop\0" | |
34b52450 | 176 | "convertible\0" |
7871c8e9 LP |
177 | "server\0" |
178 | "tablet\0" | |
c49e59c1 | 179 | "handset\0" |
25fa306e LP |
180 | "watch\0" |
181 | "embedded\0", | |
7871c8e9 LP |
182 | chassis); |
183 | } | |
184 | ||
799298d6 JG |
185 | static bool valid_deployment(const char *deployment) { |
186 | assert(deployment); | |
187 | ||
c2142cf1 | 188 | return in_charset(deployment, VALID_DEPLOYMENT_CHARS); |
799298d6 JG |
189 | } |
190 | ||
7871c8e9 | 191 | static const char* fallback_chassis(void) { |
7640a5de LP |
192 | char *type; |
193 | unsigned t; | |
219bfe38 | 194 | int v, r; |
7871c8e9 | 195 | |
75f86906 | 196 | v = detect_virtualization(); |
2ac4d1d4 LP |
197 | if (v < 0) |
198 | log_debug_errno(v, "Failed to detect virtualization, ignoring: %m"); | |
199 | else if (VIRTUALIZATION_IS_VM(v)) | |
7871c8e9 | 200 | return "vm"; |
2ac4d1d4 | 201 | else if (VIRTUALIZATION_IS_CONTAINER(v)) |
7871c8e9 LP |
202 | return "container"; |
203 | ||
219bfe38 | 204 | r = read_one_line_file("/sys/class/dmi/id/chassis_type", &type); |
2ac4d1d4 LP |
205 | if (r < 0) { |
206 | log_debug_errno(v, "Failed to read DMI chassis type, ignoring: %m"); | |
219bfe38 | 207 | goto try_acpi; |
2ac4d1d4 | 208 | } |
7871c8e9 LP |
209 | |
210 | r = safe_atou(type, &t); | |
211 | free(type); | |
2ac4d1d4 LP |
212 | if (r < 0) { |
213 | log_debug_errno(v, "Failed to parse DMI chassis type, ignoring: %m"); | |
219bfe38 | 214 | goto try_acpi; |
2ac4d1d4 | 215 | } |
7871c8e9 | 216 | |
219bfe38 LP |
217 | /* We only list the really obvious cases here. The DMI data is unreliable enough, so let's not do any |
218 | additional guesswork on top of that. | |
219 | ||
220 | See the SMBIOS Specification 3.0 section 7.4.1 for details about the values listed here: | |
221 | ||
222 | https://www.dmtf.org/sites/default/files/standards/documents/DSP0134_3.0.0.pdf | |
7871c8e9 LP |
223 | */ |
224 | ||
219bfe38 | 225 | switch (t) { |
7871c8e9 | 226 | |
219bfe38 LP |
227 | case 0x3: /* Desktop */ |
228 | case 0x4: /* Low Profile Desktop */ | |
229 | case 0x6: /* Mini Tower */ | |
230 | case 0x7: /* Tower */ | |
7c5c59d4 | 231 | case 0xD: /* All in one (i.e. PC built into monitor) */ |
7871c8e9 LP |
232 | return "desktop"; |
233 | ||
219bfe38 LP |
234 | case 0x8: /* Portable */ |
235 | case 0x9: /* Laptop */ | |
236 | case 0xA: /* Notebook */ | |
237 | case 0xE: /* Sub Notebook */ | |
7871c8e9 | 238 | return "laptop"; |
7640a5de | 239 | |
219bfe38 LP |
240 | case 0xB: /* Hand Held */ |
241 | return "handset"; | |
242 | ||
243 | case 0x11: /* Main Server Chassis */ | |
244 | case 0x1C: /* Blade */ | |
245 | case 0x1D: /* Blade Enclosure */ | |
7871c8e9 | 246 | return "server"; |
7640a5de | 247 | |
219bfe38 | 248 | case 0x1E: /* Tablet */ |
7871c8e9 | 249 | return "tablet"; |
b70af833 DH |
250 | |
251 | case 0x1F: /* Convertible */ | |
b4227dbb | 252 | case 0x20: /* Detachable */ |
b70af833 | 253 | return "convertible"; |
2ac4d1d4 LP |
254 | |
255 | default: | |
256 | log_debug("Unhandled DMI chassis type 0x%02x, ignoring.", t); | |
7871c8e9 LP |
257 | } |
258 | ||
219bfe38 LP |
259 | try_acpi: |
260 | r = read_one_line_file("/sys/firmware/acpi/pm_profile", &type); | |
2ac4d1d4 LP |
261 | if (r < 0) { |
262 | log_debug_errno(v, "Failed read ACPI PM profile, ignoring: %m"); | |
7640a5de | 263 | return NULL; |
2ac4d1d4 | 264 | } |
7640a5de LP |
265 | |
266 | r = safe_atou(type, &t); | |
267 | free(type); | |
2ac4d1d4 LP |
268 | if (r < 0) { |
269 | log_debug_errno(v, "Failed parse ACPI PM profile, ignoring: %m"); | |
7640a5de | 270 | return NULL; |
2ac4d1d4 | 271 | } |
7640a5de | 272 | |
219bfe38 LP |
273 | /* We only list the really obvious cases here as the ACPI data is not really super reliable. |
274 | * | |
275 | * See the ACPI 5.0 Spec Section 5.2.9.1 for details: | |
276 | * | |
277 | * http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf | |
41550d40 | 278 | */ |
7640a5de | 279 | |
219bfe38 | 280 | switch(t) { |
7640a5de | 281 | |
219bfe38 LP |
282 | case 1: /* Desktop */ |
283 | case 3: /* Workstation */ | |
284 | case 6: /* Appliance PC */ | |
7871c8e9 | 285 | return "desktop"; |
7640a5de | 286 | |
219bfe38 | 287 | case 2: /* Mobile */ |
7871c8e9 LP |
288 | return "laptop"; |
289 | ||
219bfe38 LP |
290 | case 4: /* Enterprise Server */ |
291 | case 5: /* SOHO Server */ | |
292 | case 7: /* Performance Server */ | |
7871c8e9 | 293 | return "server"; |
f3f4f008 | 294 | |
219bfe38 | 295 | case 8: /* Tablet */ |
f3f4f008 | 296 | return "tablet"; |
2ac4d1d4 LP |
297 | |
298 | default: | |
299 | log_debug("Unhandled ACPI PM profile 0x%02x, ignoring.", t); | |
7640a5de LP |
300 | } |
301 | ||
7640a5de LP |
302 | return NULL; |
303 | } | |
304 | ||
66a4c743 | 305 | static char* context_fallback_icon_name(Context *c) { |
7871c8e9 LP |
306 | const char *chassis; |
307 | ||
66a4c743 LP |
308 | assert(c); |
309 | ||
310 | if (!isempty(c->data[PROP_CHASSIS])) | |
b910cc72 | 311 | return strjoin("computer-", c->data[PROP_CHASSIS]); |
7871c8e9 LP |
312 | |
313 | chassis = fallback_chassis(); | |
314 | if (chassis) | |
b910cc72 | 315 | return strjoin("computer-", chassis); |
7871c8e9 LP |
316 | |
317 | return strdup("computer"); | |
318 | } | |
319 | ||
aa994368 LP |
320 | static int context_update_kernel_hostname( |
321 | Context *c, | |
322 | const char *transient_hn) { | |
323 | ||
05c6f341 | 324 | _cleanup_free_ char *_hn_free = NULL; |
d39079fc | 325 | const char *hn; |
60e4fb42 | 326 | HostnameSource hns; |
7d9ec609 | 327 | int r; |
7640a5de | 328 | |
66a4c743 LP |
329 | assert(c); |
330 | ||
d39079fc | 331 | /* /etc/hostname has the highest preference ... */ |
60e4fb42 | 332 | if (c->data[PROP_STATIC_HOSTNAME]) { |
d39079fc | 333 | hn = c->data[PROP_STATIC_HOSTNAME]; |
60e4fb42 | 334 | hns = HOSTNAME_STATIC; |
c779a442 | 335 | |
38b38500 | 336 | /* ... the transient hostname, (ie: DHCP) comes next ... */ |
60e4fb42 | 337 | } else if (transient_hn) { |
aa994368 | 338 | hn = transient_hn; |
60e4fb42 | 339 | hns = HOSTNAME_TRANSIENT; |
7640a5de | 340 | |
c779a442 | 341 | /* ... and the ultimate fallback */ |
60e4fb42 | 342 | } else { |
05c6f341 ZJS |
343 | hn = _hn_free = get_default_hostname(); |
344 | if (!hn) | |
345 | return log_oom(); | |
346 | ||
8770c813 | 347 | hns = HOSTNAME_DEFAULT; |
60e4fb42 | 348 | } |
c779a442 | 349 | |
7d9ec609 ZJS |
350 | r = sethostname_idempotent(hn); |
351 | if (r < 0) | |
60e4fb42 ZJS |
352 | return log_error_errno(r, "Failed to set hostname: %m"); |
353 | ||
354 | if (c->hostname_source != hns) { | |
355 | c->hostname_source = hns; | |
356 | r = 1; | |
357 | } | |
7640a5de | 358 | |
7782e0a0 | 359 | (void) nscd_flush_cache(STRV_MAKE("hosts")); |
60e4fb42 ZJS |
360 | |
361 | if (r == 0) | |
362 | log_debug("Hostname was already set to <%s>.", hn); | |
363 | else { | |
364 | log_info("Hostname set to <%s> (%s)", hn, hostname_source_to_string(hns)); | |
365 | ||
366 | hostname_update_source_hint(hn, hns); | |
367 | } | |
368 | ||
efda832d | 369 | return r; /* 0 if no change, 1 if something was done */ |
7640a5de LP |
370 | } |
371 | ||
ba12e41d YW |
372 | static void unset_statp(struct stat **p) { |
373 | if (!*p) | |
374 | return; | |
375 | ||
376 | **p = (struct stat) {}; | |
377 | } | |
378 | ||
66a4c743 | 379 | static int context_write_data_static_hostname(Context *c) { |
ba12e41d YW |
380 | _cleanup_(unset_statp) struct stat *s = NULL; |
381 | int r; | |
382 | ||
66a4c743 LP |
383 | assert(c); |
384 | ||
ba12e41d YW |
385 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
386 | * already, even if we can't make it hit the disk. */ | |
387 | s = &c->etc_hostname_stat; | |
388 | ||
66a4c743 | 389 | if (isempty(c->data[PROP_STATIC_HOSTNAME])) { |
ba12e41d YW |
390 | if (unlink("/etc/hostname") < 0 && errno != ENOENT) |
391 | return -errno; | |
392 | ||
393 | TAKE_PTR(s); | |
7640a5de LP |
394 | return 0; |
395 | } | |
536970d4 | 396 | |
ba12e41d YW |
397 | r = write_string_file_atomic_label("/etc/hostname", c->data[PROP_STATIC_HOSTNAME]); |
398 | if (r < 0) | |
399 | return r; | |
400 | ||
401 | TAKE_PTR(s); | |
402 | return 0; | |
7640a5de LP |
403 | } |
404 | ||
f200e8bb | 405 | static int context_write_data_machine_info(Context *c) { |
ba12e41d | 406 | _cleanup_(unset_statp) struct stat *s = NULL; |
7640a5de LP |
407 | static const char * const name[_PROP_MAX] = { |
408 | [PROP_PRETTY_HOSTNAME] = "PRETTY_HOSTNAME", | |
7871c8e9 | 409 | [PROP_ICON_NAME] = "ICON_NAME", |
799298d6 JG |
410 | [PROP_CHASSIS] = "CHASSIS", |
411 | [PROP_DEPLOYMENT] = "DEPLOYMENT", | |
ce0f1493 | 412 | [PROP_LOCATION] = "LOCATION", |
7640a5de | 413 | }; |
0ccad099 | 414 | _cleanup_strv_free_ char **l = NULL; |
536970d4 | 415 | int r; |
7640a5de | 416 | |
66a4c743 LP |
417 | assert(c); |
418 | ||
ba12e41d YW |
419 | /* Make sure that if we fail here, we invalidate the cached information, since it was updated |
420 | * already, even if we can't make it hit the disk. */ | |
421 | s = &c->etc_machine_info_stat; | |
422 | ||
aa8fbc74 | 423 | r = load_env_file(NULL, "/etc/machine-info", &l); |
7640a5de LP |
424 | if (r < 0 && r != -ENOENT) |
425 | return r; | |
426 | ||
536970d4 | 427 | for (int p = PROP_PRETTY_HOSTNAME; p <= PROP_LOCATION; p++) { |
7640a5de LP |
428 | assert(name[p]); |
429 | ||
f08231fe ZJS |
430 | r = strv_env_assign(&l, name[p], empty_to_null(c->data[p])); |
431 | if (r < 0) | |
432 | return r; | |
7640a5de LP |
433 | } |
434 | ||
435 | if (strv_isempty(l)) { | |
ba12e41d YW |
436 | if (unlink("/etc/machine-info") < 0 && errno != ENOENT) |
437 | return -errno; | |
7640a5de | 438 | |
ba12e41d | 439 | TAKE_PTR(s); |
7640a5de LP |
440 | return 0; |
441 | } | |
442 | ||
ba12e41d YW |
443 | r = write_env_file_label("/etc/machine-info", l); |
444 | if (r < 0) | |
445 | return r; | |
446 | ||
447 | TAKE_PTR(s); | |
448 | return 0; | |
7640a5de LP |
449 | } |
450 | ||
61d44b6b LP |
451 | static int get_dmi_data(const char *database_key, const char *regular_key, char **ret) { |
452 | _cleanup_(sd_device_unrefp) sd_device *device = NULL; | |
453 | _cleanup_free_ char *b = NULL; | |
454 | const char *s = NULL; | |
455 | int r; | |
456 | ||
457 | r = sd_device_new_from_syspath(&device, "/sys/class/dmi/id"); | |
458 | if (r < 0) | |
459 | return log_debug_errno(r, "Failed to open /sys/class/dmi/id device, ignoring: %m"); | |
460 | ||
461 | if (database_key) | |
462 | (void) sd_device_get_property_value(device, database_key, &s); | |
463 | if (!s && regular_key) | |
464 | (void) sd_device_get_property_value(device, regular_key, &s); | |
465 | ||
466 | if (s) { | |
467 | b = strdup(s); | |
468 | if (!b) | |
469 | return -ENOMEM; | |
470 | } | |
471 | ||
472 | if (ret) | |
473 | *ret = TAKE_PTR(b); | |
474 | ||
475 | return !!s; | |
476 | } | |
477 | ||
478 | static int get_hardware_vendor(char **ret) { | |
479 | return get_dmi_data("ID_VENDOR_FROM_DATABASE", "ID_VENDOR", ret); | |
480 | } | |
481 | ||
482 | static int get_hardware_model(char **ret) { | |
483 | return get_dmi_data("ID_MODEL_FROM_DATABASE", "ID_MODEL", ret); | |
484 | } | |
485 | ||
b9d80698 FB |
486 | static int property_get_hardware_vendor( |
487 | sd_bus *bus, | |
488 | const char *path, | |
489 | const char *interface, | |
490 | const char *property, | |
491 | sd_bus_message *reply, | |
492 | void *userdata, | |
493 | sd_bus_error *error) { | |
b9d80698 | 494 | |
61d44b6b | 495 | _cleanup_free_ char *vendor = NULL; |
b9d80698 | 496 | |
61d44b6b LP |
497 | (void) get_hardware_vendor(&vendor); |
498 | return sd_bus_message_append(reply, "s", vendor); | |
b9d80698 FB |
499 | } |
500 | ||
501 | static int property_get_hardware_model( | |
502 | sd_bus *bus, | |
503 | const char *path, | |
504 | const char *interface, | |
505 | const char *property, | |
506 | sd_bus_message *reply, | |
507 | void *userdata, | |
508 | sd_bus_error *error) { | |
b9d80698 | 509 | |
61d44b6b | 510 | _cleanup_free_ char *model = NULL; |
b9d80698 | 511 | |
61d44b6b LP |
512 | (void) get_hardware_model(&model); |
513 | return sd_bus_message_append(reply, "s", model); | |
b9d80698 FB |
514 | } |
515 | ||
aa994368 LP |
516 | static int property_get_hostname( |
517 | sd_bus *bus, | |
518 | const char *path, | |
519 | const char *interface, | |
520 | const char *property, | |
521 | sd_bus_message *reply, | |
522 | void *userdata, | |
523 | sd_bus_error *error) { | |
524 | ||
05c6f341 | 525 | _cleanup_free_ char *hn = NULL; |
aa994368 LP |
526 | int r; |
527 | ||
05c6f341 ZJS |
528 | r = gethostname_strict(&hn); |
529 | if (r < 0) { | |
530 | if (r != -ENXIO) | |
531 | return r; | |
aa994368 | 532 | |
05c6f341 ZJS |
533 | hn = get_default_hostname(); |
534 | if (!hn) | |
535 | return -ENOMEM; | |
536 | } | |
537 | ||
538 | return sd_bus_message_append(reply, "s", hn); | |
aa994368 LP |
539 | } |
540 | ||
d7f4ad20 LP |
541 | static int property_get_static_hostname( |
542 | sd_bus *bus, | |
543 | const char *path, | |
544 | const char *interface, | |
545 | const char *property, | |
546 | sd_bus_message *reply, | |
547 | void *userdata, | |
548 | sd_bus_error *error) { | |
549 | ||
550 | Context *c = userdata; | |
551 | assert(c); | |
552 | ||
553 | context_read_etc_hostname(c); | |
554 | ||
555 | return sd_bus_message_append(reply, "s", c->data[PROP_STATIC_HOSTNAME]); | |
556 | } | |
557 | ||
8770c813 | 558 | static int property_get_default_hostname( |
05c6f341 ZJS |
559 | sd_bus *bus, |
560 | const char *path, | |
561 | const char *interface, | |
562 | const char *property, | |
563 | sd_bus_message *reply, | |
564 | void *userdata, | |
565 | sd_bus_error *error) { | |
566 | ||
61d44b6b LP |
567 | _cleanup_free_ char *hn = NULL; |
568 | ||
569 | hn = get_default_hostname(); | |
05c6f341 ZJS |
570 | if (!hn) |
571 | return log_oom(); | |
572 | ||
573 | return sd_bus_message_append(reply, "s", hn); | |
574 | } | |
ce6b138c | 575 | |
f2a434a5 LP |
576 | static void context_determine_hostname_source(Context *c) { |
577 | char hostname[HOST_NAME_MAX + 1] = {}; | |
578 | _cleanup_free_ char *fallback = NULL; | |
579 | int r; | |
580 | ||
581 | assert(c); | |
582 | ||
583 | if (c->hostname_source >= 0) | |
584 | return; | |
585 | ||
586 | (void) get_hostname_filtered(hostname); | |
587 | ||
588 | if (streq_ptr(hostname, c->data[PROP_STATIC_HOSTNAME])) | |
589 | c->hostname_source = HOSTNAME_STATIC; | |
590 | else { | |
591 | /* If the hostname was not set by us, try to figure out where it came from. If we set it to | |
592 | * the default hostname, the file will tell us. We compare the string because it is possible | |
593 | * that the hostname was set by an older version that had a different fallback, in the | |
594 | * initramfs or before we reexecuted. */ | |
595 | ||
596 | r = read_one_line_file("/run/systemd/default-hostname", &fallback); | |
597 | if (r < 0 && r != -ENOENT) | |
598 | log_warning_errno(r, "Failed to read /run/systemd/default-hostname, ignoring: %m"); | |
599 | ||
600 | if (streq_ptr(fallback, hostname)) | |
601 | c->hostname_source = HOSTNAME_DEFAULT; | |
602 | else | |
603 | c->hostname_source = HOSTNAME_TRANSIENT; | |
604 | } | |
605 | } | |
606 | ||
60e4fb42 ZJS |
607 | static int property_get_hostname_source( |
608 | sd_bus *bus, | |
609 | const char *path, | |
610 | const char *interface, | |
611 | const char *property, | |
612 | sd_bus_message *reply, | |
613 | void *userdata, | |
614 | sd_bus_error *error) { | |
615 | ||
616 | Context *c = userdata; | |
60e4fb42 ZJS |
617 | assert(c); |
618 | ||
619 | context_read_etc_hostname(c); | |
f2a434a5 | 620 | context_determine_hostname_source(c); |
60e4fb42 ZJS |
621 | |
622 | return sd_bus_message_append(reply, "s", hostname_source_to_string(c->hostname_source)); | |
623 | } | |
624 | ||
d7f4ad20 LP |
625 | static int property_get_machine_info_field( |
626 | sd_bus *bus, | |
627 | const char *path, | |
628 | const char *interface, | |
629 | const char *property, | |
630 | sd_bus_message *reply, | |
631 | void *userdata, | |
632 | sd_bus_error *error) { | |
633 | ||
634 | sd_bus_slot *slot; | |
635 | Context *c; | |
636 | ||
637 | /* Acquire the context object without this property's userdata offset added. Explanation: we want | |
638 | * access to two pointers here: a) the main context object we cache all properties in, and b) the | |
639 | * pointer to the property field inside the context object that we are supposed to update and | |
640 | * use. The latter (b) we get in the 'userdata' function parameter, and sd-bus calculates that for us | |
641 | * from the 'userdata' pointer we supplied when the vtable was registered, with the offset we | |
642 | * specified in the vtable added on top. To get the former (a) we need the 'userdata' pointer from | |
643 | * the vtable registration directly, without the offset added. Hence we ask sd-bus what the slot | |
644 | * object is (which encapsulates the vtable registration), and then query the 'userdata' field | |
645 | * directly off it. */ | |
646 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
647 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
648 | ||
649 | context_read_machine_info(c); | |
650 | ||
651 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
652 | } | |
653 | ||
654 | static int property_get_os_release_field( | |
655 | sd_bus *bus, | |
656 | const char *path, | |
657 | const char *interface, | |
658 | const char *property, | |
659 | sd_bus_message *reply, | |
660 | void *userdata, | |
661 | sd_bus_error *error) { | |
662 | ||
663 | sd_bus_slot *slot; | |
664 | Context *c; | |
665 | ||
666 | /* As above, acquire the current context without this property's userdata offset added. */ | |
667 | assert_se(slot = sd_bus_get_current_slot(bus)); | |
668 | assert_se(c = sd_bus_slot_get_userdata(slot)); | |
669 | ||
670 | context_read_os_release(c); | |
671 | ||
672 | return sd_bus_message_append(reply, "s", *(char**) userdata); | |
673 | } | |
674 | ||
66a4c743 LP |
675 | static int property_get_icon_name( |
676 | sd_bus *bus, | |
677 | const char *path, | |
678 | const char *interface, | |
679 | const char *property, | |
680 | sd_bus_message *reply, | |
ebcf1f97 LP |
681 | void *userdata, |
682 | sd_bus_error *error) { | |
7640a5de | 683 | |
66a4c743 LP |
684 | _cleanup_free_ char *n = NULL; |
685 | Context *c = userdata; | |
686 | const char *name; | |
7640a5de | 687 | |
d7f4ad20 LP |
688 | context_read_machine_info(c); |
689 | ||
66a4c743 LP |
690 | if (isempty(c->data[PROP_ICON_NAME])) |
691 | name = n = context_fallback_icon_name(c); | |
7640a5de | 692 | else |
66a4c743 LP |
693 | name = c->data[PROP_ICON_NAME]; |
694 | ||
695 | if (!name) | |
696 | return -ENOMEM; | |
7640a5de | 697 | |
ebcf1f97 | 698 | return sd_bus_message_append(reply, "s", name); |
7640a5de LP |
699 | } |
700 | ||
66a4c743 LP |
701 | static int property_get_chassis( |
702 | sd_bus *bus, | |
703 | const char *path, | |
704 | const char *interface, | |
705 | const char *property, | |
706 | sd_bus_message *reply, | |
ebcf1f97 LP |
707 | void *userdata, |
708 | sd_bus_error *error) { | |
7871c8e9 | 709 | |
66a4c743 LP |
710 | Context *c = userdata; |
711 | const char *name; | |
7871c8e9 | 712 | |
d7f4ad20 LP |
713 | context_read_machine_info(c); |
714 | ||
66a4c743 | 715 | if (isempty(c->data[PROP_CHASSIS])) |
7871c8e9 LP |
716 | name = fallback_chassis(); |
717 | else | |
66a4c743 | 718 | name = c->data[PROP_CHASSIS]; |
7871c8e9 | 719 | |
ebcf1f97 | 720 | return sd_bus_message_append(reply, "s", name); |
7871c8e9 LP |
721 | } |
722 | ||
72f48cd3 LP |
723 | static int property_get_uname_field( |
724 | sd_bus *bus, | |
725 | const char *path, | |
726 | const char *interface, | |
727 | const char *property, | |
728 | sd_bus_message *reply, | |
729 | void *userdata, | |
730 | sd_bus_error *error) { | |
731 | ||
732 | struct utsname u; | |
733 | ||
734 | assert_se(uname(&u) >= 0); | |
735 | ||
736 | return sd_bus_message_append(reply, "s", (char*) &u + PTR_TO_SIZE(userdata)); | |
737 | } | |
738 | ||
19070062 | 739 | static int method_set_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
740 | Context *c = userdata; |
741 | const char *name; | |
aa994368 | 742 | int interactive, r; |
d200735e | 743 | |
19070062 LP |
744 | assert(m); |
745 | assert(c); | |
746 | ||
66a4c743 LP |
747 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
748 | if (r < 0) | |
ebcf1f97 | 749 | return r; |
d200735e | 750 | |
60e4fb42 | 751 | name = empty_to_null(name); |
7640a5de | 752 | |
60e4fb42 ZJS |
753 | /* We always go through with the procedure below without comparing to the current hostname, because |
754 | * we might want to adjust hostname source information even if the actual hostname is unchanged. */ | |
7640a5de | 755 | |
f190ac48 | 756 | if (name && !hostname_is_valid(name, 0)) |
ebcf1f97 | 757 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", name); |
7640a5de | 758 | |
60e4fb42 | 759 | context_read_etc_hostname(c); |
7640a5de | 760 | |
c529695e LP |
761 | r = bus_verify_polkit_async( |
762 | m, | |
763 | CAP_SYS_ADMIN, | |
764 | "org.freedesktop.hostname1.set-hostname", | |
403ed0e5 | 765 | NULL, |
c529695e LP |
766 | interactive, |
767 | UID_INVALID, | |
768 | &c->polkit_registry, | |
769 | error); | |
66a4c743 | 770 | if (r < 0) |
ebcf1f97 | 771 | return r; |
66a4c743 LP |
772 | if (r == 0) |
773 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 774 | |
aa994368 | 775 | r = context_update_kernel_hostname(c, name); |
60e4fb42 | 776 | if (r < 0) |
1b4cd646 | 777 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); |
60e4fb42 | 778 | else if (r > 0) |
efda832d ZJS |
779 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
780 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", | |
781 | "Hostname", "HostnameSource", NULL); | |
7640a5de | 782 | |
df2d202e | 783 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 784 | } |
7640a5de | 785 | |
19070062 | 786 | static int method_set_static_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
66a4c743 LP |
787 | Context *c = userdata; |
788 | const char *name; | |
102d8f81 | 789 | int interactive; |
66a4c743 | 790 | int r; |
7640a5de | 791 | |
19070062 LP |
792 | assert(m); |
793 | assert(c); | |
794 | ||
66a4c743 LP |
795 | r = sd_bus_message_read(m, "sb", &name, &interactive); |
796 | if (r < 0) | |
ebcf1f97 | 797 | return r; |
7640a5de | 798 | |
3c6f7c34 | 799 | name = empty_to_null(name); |
7640a5de | 800 | |
d7f4ad20 LP |
801 | context_read_etc_hostname(c); |
802 | ||
66a4c743 | 803 | if (streq_ptr(name, c->data[PROP_STATIC_HOSTNAME])) |
df2d202e | 804 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 805 | |
60e4fb42 | 806 | if (name && !hostname_is_valid(name, 0)) |
c650f207 YW |
807 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid static hostname '%s'", name); |
808 | ||
c529695e LP |
809 | r = bus_verify_polkit_async( |
810 | m, | |
811 | CAP_SYS_ADMIN, | |
812 | "org.freedesktop.hostname1.set-static-hostname", | |
403ed0e5 | 813 | NULL, |
c529695e LP |
814 | interactive, |
815 | UID_INVALID, | |
816 | &c->polkit_registry, | |
817 | error); | |
66a4c743 | 818 | if (r < 0) |
ebcf1f97 | 819 | return r; |
66a4c743 LP |
820 | if (r == 0) |
821 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
7640a5de | 822 | |
e8acf091 | 823 | r = free_and_strdup_warn(&c->data[PROP_STATIC_HOSTNAME], name); |
c650f207 YW |
824 | if (r < 0) |
825 | return r; | |
7640a5de | 826 | |
66a4c743 LP |
827 | r = context_write_data_static_hostname(c); |
828 | if (r < 0) { | |
38b38500 | 829 | log_error_errno(r, "Failed to write static hostname: %m"); |
957991b7 YW |
830 | if (ERRNO_IS_PRIVILEGE(r)) |
831 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/hostname."); | |
832 | if (r == -EROFS) | |
833 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/hostname is in a read-only filesystem."); | |
1b4cd646 | 834 | return sd_bus_error_set_errnof(error, r, "Failed to set static hostname: %m"); |
66a4c743 | 835 | } |
7640a5de | 836 | |
60e4fb42 ZJS |
837 | r = context_update_kernel_hostname(c, NULL); |
838 | if (r < 0) { | |
839 | log_error_errno(r, "Failed to set hostname: %m"); | |
840 | return sd_bus_error_set_errnof(error, r, "Failed to set hostname: %m"); | |
841 | } | |
7640a5de | 842 | |
efda832d | 843 | (void) sd_bus_emit_properties_changed(sd_bus_message_get_bus(m), |
60e4fb42 ZJS |
844 | "/org/freedesktop/hostname1", "org.freedesktop.hostname1", |
845 | "StaticHostname", "Hostname", "HostnameSource", NULL); | |
7640a5de | 846 | |
df2d202e | 847 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 848 | } |
7640a5de | 849 | |
19070062 | 850 | static int set_machine_info(Context *c, sd_bus_message *m, int prop, sd_bus_message_handler_t cb, sd_bus_error *error) { |
102d8f81 | 851 | int interactive; |
66a4c743 LP |
852 | const char *name; |
853 | int r; | |
854 | ||
855 | assert(c); | |
66a4c743 LP |
856 | assert(m); |
857 | ||
858 | r = sd_bus_message_read(m, "sb", &name, &interactive); | |
859 | if (r < 0) | |
ebcf1f97 | 860 | return r; |
66a4c743 | 861 | |
3c6f7c34 | 862 | name = empty_to_null(name); |
66a4c743 | 863 | |
d7f4ad20 LP |
864 | context_read_machine_info(c); |
865 | ||
66a4c743 | 866 | if (streq_ptr(name, c->data[prop])) |
df2d202e | 867 | return sd_bus_reply_method_return(m, NULL); |
7640a5de | 868 | |
c650f207 YW |
869 | if (!isempty(name)) { |
870 | /* The icon name might ultimately be used as file | |
871 | * name, so better be safe than sorry */ | |
872 | ||
873 | if (prop == PROP_ICON_NAME && !filename_is_valid(name)) | |
874 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid icon name '%s'", name); | |
875 | if (prop == PROP_PRETTY_HOSTNAME && string_has_cc(name, NULL)) | |
38b38500 | 876 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid pretty hostname '%s'", name); |
c650f207 YW |
877 | if (prop == PROP_CHASSIS && !valid_chassis(name)) |
878 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid chassis '%s'", name); | |
879 | if (prop == PROP_DEPLOYMENT && !valid_deployment(name)) | |
880 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid deployment '%s'", name); | |
881 | if (prop == PROP_LOCATION && string_has_cc(name, NULL)) | |
882 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid location '%s'", name); | |
883 | } | |
884 | ||
66a4c743 LP |
885 | /* Since the pretty hostname should always be changed at the |
886 | * same time as the static one, use the same policy action for | |
887 | * both... */ | |
888 | ||
c529695e LP |
889 | r = bus_verify_polkit_async( |
890 | m, | |
891 | CAP_SYS_ADMIN, | |
892 | prop == PROP_PRETTY_HOSTNAME ? "org.freedesktop.hostname1.set-static-hostname" : "org.freedesktop.hostname1.set-machine-info", | |
403ed0e5 | 893 | NULL, |
c529695e LP |
894 | interactive, |
895 | UID_INVALID, | |
896 | &c->polkit_registry, | |
897 | error); | |
66a4c743 | 898 | if (r < 0) |
ebcf1f97 | 899 | return r; |
66a4c743 LP |
900 | if (r == 0) |
901 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
902 | ||
e8acf091 | 903 | r = free_and_strdup_warn(&c->data[prop], name); |
c650f207 YW |
904 | if (r < 0) |
905 | return r; | |
7640a5de | 906 | |
f200e8bb | 907 | r = context_write_data_machine_info(c); |
66a4c743 | 908 | if (r < 0) { |
da927ba9 | 909 | log_error_errno(r, "Failed to write machine info: %m"); |
957991b7 YW |
910 | if (ERRNO_IS_PRIVILEGE(r)) |
911 | return sd_bus_error_set(error, BUS_ERROR_FILE_IS_PROTECTED, "Not allowed to update /etc/machine-info."); | |
912 | if (r == -EROFS) | |
913 | return sd_bus_error_set(error, BUS_ERROR_READ_ONLY_FILESYSTEM, "/etc/machine-info is in a read-only filesystem."); | |
1b4cd646 | 914 | return sd_bus_error_set_errnof(error, r, "Failed to write machine info: %m"); |
66a4c743 | 915 | } |
7640a5de | 916 | |
66a4c743 | 917 | log_info("Changed %s to '%s'", |
38b38500 | 918 | prop == PROP_PRETTY_HOSTNAME ? "pretty hostname" : |
799298d6 | 919 | prop == PROP_DEPLOYMENT ? "deployment" : |
ce0f1493 | 920 | prop == PROP_LOCATION ? "location" : |
66a4c743 | 921 | prop == PROP_CHASSIS ? "chassis" : "icon name", strna(c->data[prop])); |
7640a5de | 922 | |
19070062 LP |
923 | (void) sd_bus_emit_properties_changed( |
924 | sd_bus_message_get_bus(m), | |
925 | "/org/freedesktop/hostname1", | |
926 | "org.freedesktop.hostname1", | |
927 | prop == PROP_PRETTY_HOSTNAME ? "PrettyHostname" : | |
928 | prop == PROP_DEPLOYMENT ? "Deployment" : | |
929 | prop == PROP_LOCATION ? "Location" : | |
930 | prop == PROP_CHASSIS ? "Chassis" : "IconName" , NULL); | |
7640a5de | 931 | |
df2d202e | 932 | return sd_bus_reply_method_return(m, NULL); |
66a4c743 | 933 | } |
7640a5de | 934 | |
19070062 LP |
935 | static int method_set_pretty_hostname(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
936 | return set_machine_info(userdata, m, PROP_PRETTY_HOSTNAME, method_set_pretty_hostname, error); | |
7640a5de LP |
937 | } |
938 | ||
19070062 LP |
939 | static int method_set_icon_name(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
940 | return set_machine_info(userdata, m, PROP_ICON_NAME, method_set_icon_name, error); | |
66a4c743 LP |
941 | } |
942 | ||
19070062 LP |
943 | static int method_set_chassis(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
944 | return set_machine_info(userdata, m, PROP_CHASSIS, method_set_chassis, error); | |
66a4c743 LP |
945 | } |
946 | ||
19070062 LP |
947 | static int method_set_deployment(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
948 | return set_machine_info(userdata, m, PROP_DEPLOYMENT, method_set_deployment, error); | |
799298d6 JG |
949 | } |
950 | ||
19070062 LP |
951 | static int method_set_location(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
952 | return set_machine_info(userdata, m, PROP_LOCATION, method_set_location, error); | |
ce0f1493 LP |
953 | } |
954 | ||
21e627da YW |
955 | static int method_get_product_uuid(sd_bus_message *m, void *userdata, sd_bus_error *error) { |
956 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
957 | Context *c = userdata; | |
958 | int interactive, r; | |
5704cd73 | 959 | sd_id128_t uuid; |
21e627da YW |
960 | |
961 | assert(m); | |
962 | assert(c); | |
963 | ||
21e627da YW |
964 | r = sd_bus_message_read(m, "b", &interactive); |
965 | if (r < 0) | |
966 | return r; | |
967 | ||
968 | r = bus_verify_polkit_async( | |
969 | m, | |
970 | CAP_SYS_ADMIN, | |
971 | "org.freedesktop.hostname1.get-product-uuid", | |
972 | NULL, | |
973 | interactive, | |
974 | UID_INVALID, | |
975 | &c->polkit_registry, | |
976 | error); | |
977 | if (r < 0) | |
978 | return r; | |
979 | if (r == 0) | |
980 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
981 | ||
66ee2298 LP |
982 | r = id128_get_product(&uuid); |
983 | if (r < 0) { | |
984 | if (r == -EADDRNOTAVAIL) | |
985 | log_debug_errno(r, "DMI product UUID is all 0x00 or all 0xFF, ignoring."); | |
986 | else | |
987 | log_full_errno(r == -ENOENT ? LOG_DEBUG : LOG_WARNING, r, | |
988 | "Failed to read product UUID, ignoring: %m"); | |
989 | ||
990 | return sd_bus_error_set(error, BUS_ERROR_NO_PRODUCT_UUID, | |
991 | "Failed to read product UUID from firmware."); | |
992 | } | |
993 | ||
21e627da YW |
994 | r = sd_bus_message_new_method_return(m, &reply); |
995 | if (r < 0) | |
996 | return r; | |
997 | ||
c52e295d | 998 | r = sd_bus_message_append_array(reply, 'y', uuid.bytes, sizeof(uuid.bytes)); |
21e627da YW |
999 | if (r < 0) |
1000 | return r; | |
1001 | ||
1002 | return sd_bus_send(NULL, reply, NULL); | |
1003 | } | |
1004 | ||
66a4c743 LP |
1005 | static const sd_bus_vtable hostname_vtable[] = { |
1006 | SD_BUS_VTABLE_START(0), | |
aa994368 | 1007 | SD_BUS_PROPERTY("Hostname", "s", property_get_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
d7f4ad20 LP |
1008 | SD_BUS_PROPERTY("StaticHostname", "s", property_get_static_hostname, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1009 | 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 | 1010 | SD_BUS_PROPERTY("DefaultHostname", "s", property_get_default_hostname, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
60e4fb42 | 1011 | SD_BUS_PROPERTY("HostnameSource", "s", property_get_hostname_source, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
66a4c743 LP |
1012 | SD_BUS_PROPERTY("IconName", "s", property_get_icon_name, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1013 | SD_BUS_PROPERTY("Chassis", "s", property_get_chassis, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
d7f4ad20 LP |
1014 | SD_BUS_PROPERTY("Deployment", "s", property_get_machine_info_field, offsetof(Context, data) + sizeof(char*) * PROP_DEPLOYMENT, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
1015 | 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 |
1016 | SD_BUS_PROPERTY("KernelName", "s", property_get_uname_field, offsetof(struct utsname, sysname), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), |
1017 | SD_BUS_PROPERTY("KernelRelease", "s", property_get_uname_field, offsetof(struct utsname, release), SD_BUS_VTABLE_ABSOLUTE_OFFSET|SD_BUS_VTABLE_PROPERTY_CONST), | |
1018 | 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 |
1019 | SD_BUS_PROPERTY("OperatingSystemPrettyName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_PRETTY_NAME, SD_BUS_VTABLE_PROPERTY_CONST), |
1020 | SD_BUS_PROPERTY("OperatingSystemCPEName", "s", property_get_os_release_field, offsetof(Context, data) + sizeof(char*) * PROP_OS_CPE_NAME, SD_BUS_VTABLE_PROPERTY_CONST), | |
1021 | 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 |
1022 | SD_BUS_PROPERTY("HardwareVendor", "s", property_get_hardware_vendor, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
1023 | SD_BUS_PROPERTY("HardwareModel", "s", property_get_hardware_model, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
106d79be ZJS |
1024 | |
1025 | SD_BUS_METHOD_WITH_NAMES("SetHostname", | |
1026 | "sb", | |
1027 | SD_BUS_PARAM(hostname) | |
1028 | SD_BUS_PARAM(interactive), | |
1029 | NULL,, | |
1030 | method_set_hostname, | |
1031 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1032 | SD_BUS_METHOD_WITH_NAMES("SetStaticHostname", | |
1033 | "sb", | |
1034 | SD_BUS_PARAM(hostname) | |
1035 | SD_BUS_PARAM(interactive), | |
1036 | NULL,, | |
1037 | method_set_static_hostname, | |
1038 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1039 | SD_BUS_METHOD_WITH_NAMES("SetPrettyHostname", | |
1040 | "sb", | |
1041 | SD_BUS_PARAM(hostname) | |
1042 | SD_BUS_PARAM(interactive), | |
1043 | NULL,, | |
1044 | method_set_pretty_hostname, | |
1045 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1046 | SD_BUS_METHOD_WITH_NAMES("SetIconName", | |
1047 | "sb", | |
1048 | SD_BUS_PARAM(icon) | |
1049 | SD_BUS_PARAM(interactive), | |
1050 | NULL,, | |
1051 | method_set_icon_name, | |
1052 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1053 | SD_BUS_METHOD_WITH_NAMES("SetChassis", | |
1054 | "sb", | |
1055 | SD_BUS_PARAM(chassis) | |
1056 | SD_BUS_PARAM(interactive), | |
1057 | NULL,, | |
1058 | method_set_chassis, | |
1059 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1060 | SD_BUS_METHOD_WITH_NAMES("SetDeployment", | |
1061 | "sb", | |
1062 | SD_BUS_PARAM(deployment) | |
1063 | SD_BUS_PARAM(interactive), | |
1064 | NULL,, | |
1065 | method_set_deployment, | |
1066 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1067 | SD_BUS_METHOD_WITH_NAMES("SetLocation", | |
1068 | "sb", | |
1069 | SD_BUS_PARAM(location) | |
1070 | SD_BUS_PARAM(interactive), | |
1071 | NULL,, | |
1072 | method_set_location, | |
1073 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1074 | SD_BUS_METHOD_WITH_NAMES("GetProductUUID", | |
1075 | "b", | |
1076 | SD_BUS_PARAM(interactive), | |
1077 | "ay", | |
1078 | SD_BUS_PARAM(uuid), | |
1079 | method_get_product_uuid, | |
1080 | SD_BUS_VTABLE_UNPRIVILEGED), | |
1081 | ||
66a4c743 LP |
1082 | SD_BUS_VTABLE_END, |
1083 | }; | |
1084 | ||
670139db ZJS |
1085 | static const BusObjectImplementation manager_object = { |
1086 | "/org/freedesktop/hostname1", | |
1087 | "org.freedesktop.hostname1", | |
1088 | .vtables = BUS_VTABLES(hostname_vtable), | |
1089 | }; | |
1090 | ||
2ac4d1d4 | 1091 | static int connect_bus(Context *c, sd_event *event, sd_bus **ret) { |
4afd3348 | 1092 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; |
7640a5de LP |
1093 | int r; |
1094 | ||
66a4c743 LP |
1095 | assert(c); |
1096 | assert(event); | |
2ac4d1d4 | 1097 | assert(ret); |
d0baa06f | 1098 | |
76b54375 | 1099 | r = sd_bus_default_system(&bus); |
23bbb0de MS |
1100 | if (r < 0) |
1101 | return log_error_errno(r, "Failed to get system bus connection: %m"); | |
d0baa06f | 1102 | |
670139db | 1103 | r = bus_add_implementation(bus, &manager_object, c); |
23bbb0de | 1104 | if (r < 0) |
670139db | 1105 | return r; |
d0baa06f | 1106 | |
ac9f55ed LP |
1107 | r = bus_log_control_api_register(bus); |
1108 | if (r < 0) | |
1109 | return r; | |
1110 | ||
0c0b9306 | 1111 | r = sd_bus_request_name_async(bus, NULL, "org.freedesktop.hostname1", 0, NULL, NULL); |
23bbb0de | 1112 | if (r < 0) |
0c0b9306 | 1113 | return log_error_errno(r, "Failed to request name: %m"); |
add10b5a | 1114 | |
66a4c743 | 1115 | r = sd_bus_attach_event(bus, event, 0); |
23bbb0de MS |
1116 | if (r < 0) |
1117 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
d0baa06f | 1118 | |
2ac4d1d4 | 1119 | *ret = TAKE_PTR(bus); |
66a4c743 | 1120 | return 0; |
d0baa06f LP |
1121 | } |
1122 | ||
85ae63ee | 1123 | static int run(int argc, char *argv[]) { |
60e4fb42 ZJS |
1124 | _cleanup_(context_destroy) Context context = { |
1125 | .hostname_source = _HOSTNAME_INVALID, /* appropriate value will be set later */ | |
1126 | }; | |
4afd3348 LP |
1127 | _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
1128 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; | |
d0baa06f | 1129 | int r; |
d0baa06f | 1130 | |
d2acb93d | 1131 | log_setup(); |
7640a5de | 1132 | |
fc021a5b ZJS |
1133 | r = service_parse_argv("systemd-hostnamed.service", |
1134 | "Manage the system hostname and related metadata.", | |
670139db ZJS |
1135 | BUS_IMPLEMENTATIONS(&manager_object, |
1136 | &log_control_object), | |
fc021a5b ZJS |
1137 | argc, argv); |
1138 | if (r <= 0) | |
1139 | return r; | |
1140 | ||
4c12626c | 1141 | umask(0022); |
a9ba0e32 CG |
1142 | |
1143 | r = mac_selinux_init(); | |
1144 | if (r < 0) | |
1145 | return r; | |
4c12626c | 1146 | |
b22c8bfc YW |
1147 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGTERM, SIGINT, -1) >= 0); |
1148 | ||
afc6adb5 | 1149 | r = sd_event_default(&event); |
85ae63ee YW |
1150 | if (r < 0) |
1151 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
7640a5de | 1152 | |
b22c8bfc YW |
1153 | (void) sd_event_set_watchdog(event, true); |
1154 | ||
1155 | r = sd_event_add_signal(event, NULL, SIGINT, NULL, NULL); | |
85ae63ee YW |
1156 | if (r < 0) |
1157 | return log_error_errno(r, "Failed to install SIGINT handler: %m"); | |
b22c8bfc YW |
1158 | |
1159 | r = sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL); | |
85ae63ee YW |
1160 | if (r < 0) |
1161 | return log_error_errno(r, "Failed to install SIGTERM handler: %m"); | |
cde93897 | 1162 | |
66a4c743 | 1163 | r = connect_bus(&context, event, &bus); |
d0baa06f | 1164 | if (r < 0) |
85ae63ee | 1165 | return r; |
7640a5de | 1166 | |
37224a5f | 1167 | r = bus_event_loop_with_idle(event, bus, "org.freedesktop.hostname1", DEFAULT_EXIT_USEC, NULL, NULL); |
85ae63ee YW |
1168 | if (r < 0) |
1169 | return log_error_errno(r, "Failed to run event loop: %m"); | |
7640a5de | 1170 | |
85ae63ee | 1171 | return 0; |
7640a5de | 1172 | } |
85ae63ee YW |
1173 | |
1174 | DEFINE_MAIN_FUNCTION(run); |